CN118698916A - Dry grinding wheel sorting device and sorting method thereof - Google Patents

Abstract

The present invention relates to the technical field of grinding wheel sorting, and discloses a dry grinding wheel sorting device and a sorting method thereof, comprising a feeding system for conveying dry grinding wheels to various stations; a first sorting station is provided in the feeding direction of the feeding system; a density initial inspection system is provided in the first sorting station for detecting the weight of the dry grinding wheel and the tooth height of the cutter head to obtain initial inspection information; a main control system is connected to a database for pre-storing standard information of good dry grinding wheels, and the initial inspection information is sent to the main control system and compared with the standard information in the database; if the weight of the dry grinding wheel and the tooth height of the cutter head in the initial inspection information are within the preset range of the standard information, the dry grinding wheel is judged to be qualified for the initial density inspection, and the dry grinding wheel is allowed to enter the next sorting station; if the dry grinding wheel that fails the initial inspection is rejected, it will be removed to a defective collection box. Therefore, the automatic initial inspection and sorting operation of the dry grinding wheel is realized.

Description

Dry grinding wheel sorting device and sorting method thereof

Technical Field

The present invention relates to the technical field of grinding wheel sorting, and in particular to dry grinding wheel sorting equipment and a sorting method thereof.

Background Art

In the field of ceramic building materials processing, diamond grinding wheels are used to grind and correct the edges of ceramic building materials products. Water is used as a coolant, so this grinding method is called water grinding. In addition, there is dry grinding, which is different from traditional water grinding. The shavings and part of the heat are extracted and collected by exhaust. Compared with water grinding, dry grinding has the advantages of environmental protection and economy. Dry grinding includes integral metal bond dry grinding and agglomerated dry grinding wheels. Integral metal bond dry grinding wheels are not ideal in terms of processing size, processing speed, cooling effect and sharpness, so users tend to use agglomerated metal bond dry grinding wheels.

At present, the quality inspection of agglomerated metal bond dry grinding wheels mainly includes visual inspection of the surface of the dry grinding wheel to see if there are cracks, and using a torque pliers to measure whether the torque of the cutter head meets the standard. Only when both of the above tests meet the standards can the product be considered qualified.

Although the traditional method of visually inspecting the surface cracks of the product and measuring the torque with a torque pliers can basically sort out qualified products, there are still the following defects:

The existing manual visual inspection method to observe whether there are cracks on the surface of the dry grinding wheel is very labor-intensive, and usually only some dry grinding wheels can be sampled, so there will inevitably be problems of missed inspections; and the manual visual inspection method will also have the problem of misjudgment, so the manual visual inspection method of sorting dry grinding wheels is not guaranteed in quality and has low efficiency. In addition, the existing manual use of torque pliers to detect the torque of the cutter head of the dry grinding wheel is also faced with the problems of large workload, low efficiency, and quality assurance, and cannot meet the current market demand.

Summary of the invention

In order to overcome the deficiencies of the prior art, one of the objects of the present invention is to provide a dry grinding wheel sorting device.

One of the purposes of the present invention is achieved by adopting the following technical solution: a dry grinding wheel sorting device, comprising:

Feeding system, used to transport dry grinding wheels to each workstation;

The feeding system is provided with a first sorting station in the feeding direction;

The first sorting station is provided with a density initial inspection system for detecting the weight of the dry grinding wheel and the tooth height of the cutter head to obtain initial inspection information;

The main control system is connected to a database for pre-storing standard information of good dry grinding wheels. The initial inspection information is sent to the main control system and compared with the standard information in the database. If the dry grinding wheel weight and the cutter head tooth height in the initial inspection information are within the preset range of the standard information, the dry grinding wheel is judged to have passed the initial density inspection and is allowed to enter the next sorting station. If the dry grinding wheel fails the initial inspection, it will be removed to the defective collection box.

Furthermore, the initial density inspection system includes a first positioning module, a laser module and a weighing module. The first positioning module and the laser module are arranged above the feeding system, and are used to detect when the dry grinding wheel reaches the detection area of the first sorting station, and feedback the position signal to the main control system to control the feeding system to stop the conveying action; the main control system sends an instruction to control the laser module to project light to the cutter head of the dry grinding wheel, so as to detect the tooth height of the cutter head; the weighing module is arranged below the feeding system and is used to weigh the weight of the dry grinding wheel.

Furthermore, the density initial inspection system includes a first mounting frame, a first annular portion is arranged at the upper end of the first mounting frame, the first annular portion is arranged above the feeding system and can be projected onto the surface of the dry grinding wheel entering the first sorting station, and the first positioning module and the laser module are both arranged circumferentially at the bottom of the first annular portion.

Furthermore, a second sorting station is provided in the feeding direction of the feeding system, and the second sorting station is provided with a torque detection system for detecting the surface fracture of the cutter head of the dry grinding wheel under the application of a set torque, and obtaining torque information, which is sent to the main control system and compared with the standard information in the database; if the cutter head surface of the dry grinding wheel is not broken in the torque information, the dry grinding wheel is judged to be qualified in the torque test, and the dry grinding wheel is allowed to enter the next sorting station; if the dry grinding wheel fails the torque test, it will be removed to the defective collection box.

Furthermore, the torque detection system includes a driver, a torsion bar, a torsion chuck and a second positioning module. The second positioning module is arranged on one side of the feeding system, and is used to detect when the dry grinding wheel reaches the detection area of the second sorting station, and feedback the position signal to the main control system to control the feeding system to stop the conveying action; the torsion bar is vertically arranged above the feeding system, and the torsion chuck is arranged at the lower end of the torsion bar. The main control system sends instructions to control the driver, which is used to drive the torsion bar to descend and clamp the cutter head of the dry grinding wheel through the torque chuck, and apply a set outward torque to the cutter head.

Further, the torque detection system includes a second mounting frame, a second annular portion is provided at the upper end of the second mounting frame, the second annular portion is provided above the feeding system and can be orthographically projected onto the surface of the dry grinding wheel entering the second sorting station;

The driver includes a lifting cylinder and an annular torque cylinder, wherein the annular torque cylinder is arranged on the second annular portion and connected to a plurality of torsion bars arranged circumferentially at the bottom of the second annular portion; the lifting cylinder is arranged on the second mounting frame, and is used to drive the second annular portion and the torsion bar to vertically descend, and when the cutter head is clamped by the torque chuck, the annular torque cylinder drives the torsion bar and the torque chuck to apply a set outward torque to the cutter head.

Furthermore, a third sorting station is provided in the feeding direction of the feeding system, and the third sorting station is provided with a density re-inspection system for detecting internal cracks of the dry grinding wheel and obtaining re-inspection information, which is sent to the main control system and compared with the standard information in the database; if the base body and the inside of the cutter head of the dry grinding wheel in the re-inspection information are not broken, the dry grinding wheel is judged to have passed the density re-inspection, and the dry grinding wheel is allowed to enter the good product stacking table of the collection station; if the dry grinding wheel fails the re-inspection, it will be removed to the defective product collection box of the collection station.

Furthermore, the density re-inspection system includes a camera module, a spray module and a magnetization module, the camera module and the spray module are arranged above the feeding system, the camera module is used to detect when the dry grinding wheel reaches the detection area of the third sorting station, and feed back a position signal to the main control system to control the feeding system to stop the conveying action; the spray module evenly sprays the magnetic powder suspension onto the surface of the cutter head of the dry grinding wheel; the magnetization module is arranged near the side of the feeding system and is used to magnetize the dry grinding wheel, the camera module obtains the magnetization arrangement image of the magnetic powder on the surface of the cutter head, and feeds back the magnetization arrangement image to the main control system to judge the crack conditions of the base and the cutter head of the dry grinding wheel.

Further, the density re-inspection system includes a third mounting frame, a third annular portion is provided at the upper end of the third mounting frame, the third annular portion is provided above the feeding system and can be orthographically projected onto the surface of the dry grinding wheel entering the third sorting station;

The camera module, the injection module and the magnetization module are all arranged on the third annular portion. The injection module is arranged circumferentially at the bottom of the third annular portion, and the magnetization module extends from top to bottom to the vicinity of the dry grinding wheel.

Furthermore, the dry grinding wheel sorting device further comprises a rejecting station, which is arranged behind the sorting station, and a rejecting system is arranged on the rejecting station;

The rejection system comprises:

The pushing mechanism is arranged near one side of the feeding system. The pushing system comprises a pushing cylinder, a pushing rod and a pushing plate. One end of the pushing rod is connected to the pushing cylinder, and the other end of the pushing rod is connected to the pushing plate. The main control system sends instructions to control the pushing cylinder to drive the pushing rod and drive the pushing plate to push the dry grinding wheel to the defective product collection box.

Or a robot is arranged near one side of the feeding system, and the main control system sends instructions to control the robot to clamp the dry grinding wheel and put it into the defective product collection box.

Furthermore, in the standard information of good dry grinding wheels pre-stored in the database, the error range of the dry grinding wheel weight is -150g to -80g, the error range of the cutter head tooth height is ±0.8mm, and the set torque is ≥35N.

In order to overcome the deficiencies of the prior art, a second object of the present invention is to provide a dry grinding wheel sorting method.

The second object of the present invention is achieved by adopting the following technical solution: a dry grinding wheel sorting method, using a dry grinding wheel sorting device to sort the dry grinding wheels, comprising the following steps:

S1, vibrate the dry grinding wheel to the feeding system by vibration;

S2, the feeding system is used to transport the dry grinding wheel fed in step S1 to the first sorting station, and detect the weight of the dry grinding wheel and the tooth height of the cutter head through the density initial inspection system set on the first sorting station to obtain initial inspection information, and feed the initial inspection information back to the main control system; if the initial inspection information is within the preset range of the standard information in the database, the main control system determines that the dry grinding wheel has passed the initial density inspection, and then controls the feeding system to transport the dry grinding wheel to the next station; otherwise, the dry grinding wheel is rejected to the defective collection box.

Further, after step S2, step S3 is provided;

In step S3, the feeding system transports the dry grinding wheel that has passed the initial density inspection in step S2 to the second sorting station, and detects the surface fracture of the cutter head of the dry grinding wheel under the application of the set torque through the torque detection system arranged on the second sorting station, obtains torque information, and feeds back the torque information to the main control system; if it is judged that the torque information is within the preset range of the standard information in the database, the main control system determines that the dry grinding wheel has passed the torque detection, and then controls the feeding system to transport the dry grinding wheel to the next station; otherwise, the dry grinding wheel is rejected to the defective collection box.

Further, after step S3, step S4 is provided;

In step S4, the feeding system transports the dry grinding wheel that has passed the torque test in step S3 to the third sorting station, and detects the internal cracks of the dry grinding wheel through the density re-inspection system arranged on the third sorting station, obtains re-inspection information, and feeds back the re-inspection information to the main control system; if it is judged that the re-inspection information is within the preset range of the standard information in the database, the main control system determines that the dry grinding wheel has passed the density re-inspection, and then controls the feeding system to transport the dry grinding wheel to the good product stacking table; otherwise, the dry grinding wheel is removed to the defective product collection box.

Compared with the prior art, the present invention has the following beneficial effects:

(1) In the present application, a density initial inspection system is arranged at the first sorting station in the feeding direction, a torque detection system is arranged at the second sorting station, a density re-inspection system is arranged at the third sorting station, a good product stacking table and a defective product collection box are arranged at the collection station, and a rejection system is arranged at the rejection station, so that the weight of the dry grinding wheel and the tooth height of the cutter head are detected in the feeding direction by the density initial inspection system, the surface fracture of the cutter head of the dry grinding wheel is detected by the torque detection system, and the internal fracture of the base of the dry grinding wheel and the cutter head is detected by the density re-inspection system, and the obtained initial inspection information, torque information and The re-inspection information is compared with the standard information pre-stored in the database; the main control system judges the comparison result and sends instructions to control the feeding system and the rejection system to take corresponding actions, thereby realizing the automatic sorting operation of the dry grinding wheel; compared with the previous implementation method of using manual visual inspection to observe the surface cracks of the dry grinding wheel, and manually using torque pliers to detect the torque condition of the cutter head of the dry grinding wheel, the present application can solve the problems of missed inspection and false inspection in manual visual sorting, improve the sorting quality and accuracy, and compared with manual inspection, the sorting efficiency is increased by more than 3 times, saving manpower and material resources.

(2) The density initial inspection system is provided with a first positioning module to obtain the position of the dry grinding wheel on the feeding system arriving at the first sorting station. The main control system sends instructions to control the laser module and the load-bearing module. The laser module detects the tooth height of the cutter head, and the weighing module detects the weight of the dry grinding wheel, thereby realizing automatic detection of the weight of the dry grinding wheel and judging whether there is a problem of low powder or powder leakage in the manufacturing process of the dry grinding wheel; and automatically detecting the tooth height of the cutter head of the dry grinding wheel, confirming the density of the cutter head, and judging whether there is a problem of micro-cracks in the cutter head; compared with the previous implementation method of manually visually inspecting whether there are cracks on the surface of the dry grinding wheel, the present application can have higher detection efficiency, can avoid human error, and further save costs.

(3) The torque detection system is provided with a second positioning module to obtain the position of the dry grinding wheel on the feeding system reaching the second sorting station, and a torsion bar and a torque chuck at the lower end of the torsion bar are provided. The main control system sends a command to start the driver, and the driver controls the cutter head of the dry grinding wheel to apply a set torque outward, so as to detect the critical value of the torque borne by the cutter head, and then sort out the cutter head that meets the requirements; compared with the previous implementation method of manually using torque pliers to detect the torque of the cutter head, the present application can solve the problems of large workload, low efficiency and uneven quality caused by errors, thereby further improving the sorting efficiency and quality of dry grinding wheels and saving costs.

(4) The density re-inspection system is provided with a camera module to obtain the position of the dry grinding wheel on the feeding system reaching the third sorting station, and sequentially sprays the magnetic powder suspension on the dry grinding wheel through the injection module, magnetizes the dry grinding wheel through the magnetization module, and obtains the magnetization arrangement image of the magnetic powder on the surface of the cutter head through the camera module, and then the main control system analyzes and compares the magnetization arrangement image to determine the internal crack conditions of the base of the dry grinding wheel and the cutter head. The whole process is automated and can further accurately determine the crack conditions of the dry grinding wheel.

(5) The dry grinding wheel sorting method provided in the present application is fully automated in the feeding, sorting and rejection processes. The weight and tooth height of the dry grinding wheel are automatically detected by the density initial inspection system to determine the bottom powder or powder leakage of the dry grinding wheel and the micro-cracks of the cutter head. If the density initial inspection is qualified, the torque critical value that the cutter head of the dry grinding wheel can withstand is detected by the torque detection system to determine the micro-fracture of the cutter head surface. If the torque test is qualified, the internal fracture of the base and the cutter head of the dry grinding wheel is detected by the density re-inspection system. The dry grinding wheels that meet the requirements are transported to the good product stacking table through the feeding system. Otherwise, the dry grinding wheels are rejected by the rejection system to the defective product collection box, thereby completing the automated sorting of the dry grinding wheels.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a perspective view of a dry grinding wheel sorting device in a preferred embodiment of the present invention;

FIG2 is a perspective view of the first sorting station in a preferred embodiment of the present invention;

FIG3 is a perspective view of the second sorting station in a preferred embodiment of the present invention;

FIG4 is a structural diagram of a torque detection system in a preferred embodiment of the present invention;

5 is a schematic diagram of an annular torque cylinder driving a torque rod and a torque chuck to detect the torque of a cutter head in a preferred embodiment of the present invention;

FIG6 is a perspective view of the third sorting station in a preferred embodiment of the present invention;

FIG7 is a three-dimensional view of a removal station portion in a preferred embodiment of the present invention;

FIG8 is a perspective view of a laser coder portion in a preferred embodiment of the present invention;

FIG9 is a perspective view of an agglomerated dry grinding wheel in a preferred embodiment of the present invention;

FIG. 10 is a block diagram of the working principle of a preferred embodiment of the present invention.

In the figure:

10. rack; 101. first mounting frame; 1011. first annular portion; 102. second mounting frame; 1021. second annular portion; 103. third mounting frame; 1031. third annular portion; 104. fourth mounting frame; 105. fifth mounting frame;

20. Feeding system; 201. Feeding belt;

30. Feeding station; 301. Feeding tray; 302. Vibration motor;

40. First sorting station; 401. Initial density inspection system; 4011. First positioning module; 4012. Laser module; 4013. Load-bearing module;

50. Second sorting station; 501. Torque detection system; 5011. Lifting cylinder; 5012. Slide seat; 5013. Slide rail; 5014. Annular torque cylinder; 5015. Torsion bar; 5016. Torsion chuck; 5017. Second positioning module;

60, the third sorting station; 601, density re-inspection system; 6011, camera module; 6014, magnetization module;

70. Rejection station; 701. Rejection system; 7011. Pushing mechanism; 7012. Pushing cylinder; 7013. Push rod; 7014. Push plate;

80. Collection station; 801. Defective product collection box; 802. Good product stacking table;

90. Main control system; 91. Database; 92. Power module; 93. Laser coder; 94. Control cabinet; 95. Display;

a, dry grinding wheel; a1, base; a2, cutter head; H, tooth height.

DETAILED DESCRIPTION

The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

As shown in Figures 1-10, a dry grinding wheel sorting device is used in the field of ceramic building materials to sort the weight, density, cracks and other defects of the agglomerated metal binder dry grinding wheel a. The dry grinding wheel a consists of a base a1 and a cutter head a2 combined with the base a1. The cutter head a2 provided in the embodiment of the present application is combined with the base a1 in an agglomerated manner.

The dry grinding wheel sorting equipment provided in the embodiment of the present application includes a main control system 90, a database 91, a feeding system 20, and a feeding station 30, a first sorting station 40, a second sorting station 50, and a third sorting station 60 arranged in sequence along the feeding direction of the feeding system 20. A collecting station 80 and a rejecting station 70 are arranged behind the first sorting station 40 and the third sorting station 60.

The feeding system 20 comprises a feeding belt 201 mounted on the frame 10 and a feeding motor (not shown in the figure) for driving the feeding belt 201 to rotate. The feeding belt 201 is used to transport the dry grinding wheel a in the sorting direction, and the dry grinding wheel a is transported to the above-mentioned feeding station 30, the first sorting station 40, the second sorting station 50, the third sorting station 60, the collecting station 80 and the rejecting station 70.

A control cabinet 94 is disposed on one side of the frame 10. A control panel for integrating various functional modules is disposed in the control cabinet 94. A display 95 is disposed on the control cabinet 94. The display 95 is used to display process parameters such as relevant specifications of the dry grinding wheel a.

The feeding station 30 is provided with a feeding tray 301 and a vibration motor 302. Baffles are provided on both sides of the feeding tray 301 so that the front and rear ends of the feeding tray 301 constitute a feeding port. The feeding port at one end of the feeding tray 301 is provided corresponding to the feeding end of the feeding belt 201. The feeding tray 301 is also mounted on the frame 10 and is slightly inclined toward the feeding belt 201. The vibration motor 302 is provided on the feeding tray 301. After the vibration motor 302 is powered on, it is used to vibrate the feeding tray 301 and vibrate the dry grinding wheel a on the feeding tray 301 to the feeding belt 201, thereby realizing the automatic feeding of the dry grinding wheel a.

The first sorting station 40 is provided with a density initial inspection system 401, the second sorting station 50 is provided with a torque detection system 501, the third sorting station 60 is provided with a density re-inspection system 601, the collecting station 80 is provided with a good product stacking table 802 and a defective product collection box 801, and the rejecting station 70 is installed with a rejecting system 701 near one side of the feeding system 20 through the fourth mounting frame 104.

The database 91 pre-stores standard information of good dry grinding wheel a, in which the error range of dry grinding wheel a weight is -150g to -80g, the error range of cutter head tooth height H is ±0.8mm, and the set torque is ≥35. The value of the set torque can be adjusted accordingly according to the test result of dry grinding wheel a. For example, when the torque test of the previous dry grinding wheel is qualified, the set torque can be appropriately increased to make the cutter head a2 of dry grinding wheel a as close to the critical value of the set torque as possible, so as to sort out the optimal dry grinding wheel a.

During the sorting process of dry grinding wheels a, the detection information of the density initial inspection system 401, the torque detection system 501 and the density re-inspection system 601 will be sent to the main control system 90. The main control system 90 will make a judgment of a good dry grinding wheel a only when the density initial inspection system 401, the torque detection system 501 and the density re-inspection system 601 have qualified the sorting of dry grinding wheels a. Due to different usage scenarios, the weight of the dry grinding wheel a and the specifications of the cutter head tooth height H are also different, which will not be described in detail here.

The main control system 90 is electrically connected to a power module 92, a vibration motor 302, a feeding motor, a database 91, a density initial inspection system 401, a torque detection system 501, a density re-inspection system 601 and a rejection system 701; the main control system 90 has a programmable logic controller (PLC) with an embedded control program, and the main control system 90 is used to receive signals and send control instructions to each system module after being powered on.

The weight of the dry grinding wheel a and its cutter head tooth height H are detected by the initial density inspection system 401. The weight of the dry grinding wheel a is equal to the sum of the weights of the base a1 and the cutter head a2. By detecting the weight of the dry grinding wheel a, it is determined whether the dry grinding wheel a has low powder or powder leakage. The cutter head a2 includes a working layer and a transition layer. During the manufacturing process of the dry grinding wheel a, the staff often easily forgets to add the transition layer, which leads to the density of the cutter head a2 not meeting the standard. Therefore, by detecting the cutter head tooth height H, it is further determined whether the cutter head a2 has low powder or powder leakage.

Specifically, after the density initial inspection system 401 detects the weight of the dry grinding wheel a and the tooth height H of the cutter head, the initial inspection information can be obtained, and the initial inspection information is sent to the main control system 90 and compared with the standard information in the database 91. If the weight of the dry grinding wheel a and the tooth height H of the cutter head in the initial inspection information are within the preset range of the standard information, the main control system 90 determines that the dry grinding wheel a has passed the initial density inspection, and controls the feeding system 20 to transport the dry grinding wheel a to the second sorting station 50.

The torque detection system 501 is used to detect the surface fracture of the cutter head a2 of the dry grinding wheel a under the application of a set torque. When the cutter head a2 is subjected to an external force exceeding its bearing capacity for about 3 seconds, the joint between the cutter head a2 and the base a1 will break, indicating that the joint tightness between the cutter head a2 and the base a1 is insufficient. If the cutter head a2 still maintains a good connection with the base a1 under the action of the set torque, it means that the connection between the cutter head a2 and the base a1 is sufficiently stable.

Specifically, after the torque detection system 501 detects the torque of the cutter head a2 of the dry grinding wheel a, torque information is obtained, and the torque detection information is sent to the main control system 90 and compared with the standard information in the database 91. If the surface of the cutter head a2 of the dry grinding wheel a is not broken in the torque information, the main control system 90 determines that the dry grinding wheel a has passed the torque detection, and controls the feeding system 20 to send the dry grinding wheel a to the third sorting station 60.

The internal cracks of the base a1 and the cutter head a2 of the dry grinding wheel a are detected by the density re-test system 601. The density re-test system 601 is a means of further in-depth detection of cracks of the dry grinding wheel a after the torque stage detection. Further detection of the dry grinding wheel a by the density re-test system 601 can also further reflect the tightness of the combination between the cutter head a2 and the base a1.

Specifically, after the density re-inspection system 601 inspects the base a1 and the cutter head a2 of the dry grinding wheel a, re-inspection information can be obtained, and the re-inspection information is sent to the main control system 90 and compared with the standard information in the database 91. If the base a1 and the cutter head a2 of the dry grinding wheel a in the re-inspection information are not broken inside, the main control system 90 determines that the dry grinding wheel a has passed the density re-inspection, and controls the feeding system 20 to transport the dry grinding wheel a to the good product stacking table 802 of the collection station 80.

In the above-mentioned density initial inspection system 401, torque detection system 501 and density re-inspection system 601, if the detection structure is unqualified dry grinding wheel a, the main control system 90 sends instructions to the rejection system 701, and the rejection system 701 rejects the dry grinding wheel a that fails the initial inspection, the torque detection or the re-inspection into the defective product collection box 801.

In this way, the embodiment of the present application detects the weight of the dry grinding wheel a and the tooth height H of the cutter head in the feeding direction in turn through the density initial inspection system 401, detects the surface fracture of the cutter head a2 of the dry grinding wheel a through the torque detection system 501, and detects the internal fracture of the base a1 and the cutter head a2 of the dry grinding wheel a through the density re-inspection system 601, and compares the obtained initial inspection information, torque information and re-inspection information with the standard information pre-stored in the database 91. The main control system 90 judges the comparison result and sends instructions to control the feeding system 20 and the rejection system 701 to make corresponding actions, thereby realizing the automatic sorting operation of the dry grinding wheel a. Compared with the previous implementation methods of using manual visual inspection to observe the surface cracks of the dry grinding wheel a, and manually using torque pliers to detect the torque of the cutter head a2 of the dry grinding wheel a, the embodiment of the present application can solve the problems of missed inspection and false inspection in manual visual sorting, improve the sorting quality and accuracy, and improve the sorting efficiency by more than 3 times compared with manual inspection, saving manpower and material resources.

More specifically, a first mounting frame 101 is arranged on one side of the first sorting station 40 and the frame 10, the first mounting frame 101 is arranged vertically, and a first annular portion 1011 is arranged at the upper end of the first mounting frame 101, and the first annular portion 1011 is arranged above the feeding system 20 and can be projected onto the surface of the dry grinding wheel a entering the first sorting station 40.

The density initial inspection system 401 provided in the embodiment of the present application includes a first positioning module 4011, a laser module 4012 and a weighing module, wherein the first positioning module 4011 and the laser module 4012 are arranged circumferentially at the bottom of the first annular portion 1011, so that the first positioning module 4011 and the laser module 4012 are set above the feeding system 20, and the first positioning module 4011 sends infrared light from top to bottom to detect that the dry grinding wheel a reaches the detection area of the first sorting station 40, and feeds back the position signal to the main control system 90 to control the feeding system 20 to stop the conveying action.

In addition, the main control system 90 also sends instructions to control the laser module 4012 to project light to the cutter head a2 of the dry grinding wheel a, so as to detect the cutter head tooth height H of the whole circle on the base a1. When detecting the cutter head tooth height H of the dry grinding wheel a, the weighing module arranged under the feeding system 20 weighs the weight of the dry grinding wheel a. The information of the cutter head tooth height H and the weight of the dry grinding wheel a is fed back to the main control system 90, and the main control system 90 makes a judgment based on the comparison with the standard information in the database 91.

The first positioning module 4011 of the density detection system preferably adopts an infrared positioning probe, the laser module 4012 preferably adopts a laser probe, and the load-bearing module 4013 preferably adopts an electronic belt scale. Of course, if the above functional modules can achieve the same technical effect, other components are not excluded.

In this way, when the first positioning module 4011 detects that the dry grinding wheel a arrives at the first sorting station 40, the cutter head tooth height H is detected by the laser module 4012, and the weight of the dry grinding wheel a is detected by the weighing module, thereby realizing automatic detection of the weight of the dry grinding wheel a, and judging whether the dry grinding wheel a has low powder or powder leakage problems during the manufacturing process; and automatically detecting the cutter head tooth height H of the dry grinding wheel a, confirming the density of the cutter head a2, and judging whether the cutter head a2 has microcrack problems; compared with the previous implementation method of manually visually inspecting whether there are cracks on the surface of the dry grinding wheel a, the present application can achieve higher detection efficiency, avoid human error operations, and further save costs.

More specifically, a second mounting frame 102 is arranged on one side of the second sorting station 50 and the frame 10, the second mounting frame 102 is arranged vertically, and a second annular portion 1021 is arranged at the upper end of the second mounting frame 102, and the second annular portion 1021 is arranged above the feeding system 20 and can be projected onto the surface of the dry grinding wheel a entering the second sorting station 50.

The torque detection system 501 provided in the embodiment of the present application includes a driver, a torsion bar 5015, a torque chuck 5016 and a second positioning module 5017, wherein the driver includes a lifting cylinder 5011 and an annular torque cylinder 5014, the lifting cylinder 5011 is arranged on the second mounting frame 102, and the second mounting frame 102 is also provided with a slide rail 5013, the second annular portion 1021 is movably connected to the slide rail 5013 through a slide seat 5012, and under the drive of the lifting cylinder 5011, the second annular portion 1021 can be lifted and slid on the slide rail 5013 through the slide seat 5012.

The second positioning module 5017 is arranged on the second mounting frame 102 and is located on one side of the feeding system 20. The second positioning module 5017 preferably adopts an infrared positioning probe. The second positioning block emits infrared light to detect that the dry grinding wheel a reaches the detection area of the second sorting station 50, and feeds back the position signal to the main control system 90 to control the feeding system 20 to stop the conveying action.

The annular torsion cylinder 5014 is arranged on the second annular portion 1021, and the torsion rod 5015 is arranged in a vertical direction. A plurality of torsion rods 5015 are arranged, and the plurality of torsion rods 5015 are arranged circumferentially at the bottom of the second annular portion 1021. The upper end of the torsion rod 5015 is connected to the annular torsion cylinder 5014, and the lower end of the torsion rod 5015 is connected to the torsion chuck 5016, so that the torsion rod 5015 and the torsion chuck 5016 can be arranged above the feeding system 20.

In actual operation, when the lifting cylinder 5011 drives the second annular portion 1021 to rise and fall, it can synchronously drive the torsion rod 5015 and the torque chuck 5016. Therefore, after the lifting cylinder 5011 drives the second annular portion 1021 and drives the torsion rod 5015 and the torque chuck 5016 to vertically descend to the position of the cutting head a2, the cutting head a2 can be clamped by the torque chuck 5016.

The annular torque cylinder 5014 can drive the torque rod 5015 and the torque chuck 5016 to move in the horizontal direction. Therefore, the annular torque cylinder 5014 drives the torque rod 5015 and the torque chuck 5016 to apply a set outward torque to the cutter head a2, so as to detect the critical torque value that the cutter head a2 can withstand.

In this way, when the second positioning module 5017 detects that the dry grinding wheel a arrives at the second sorting station 50, the main control system 90 sends an instruction to the annular torque cylinder 5014 to control the application of a set outward torque to the cutter head a2 of the dry grinding wheel a, so as to detect the critical value of the torque borne by the cutter head a2, and then sort out the cutter head a2 that meets the requirements; compared with the previous implementation method of manually using torque pliers to detect the torque of the cutter head a2, the present application can solve the problems of large workload, low efficiency and uneven quality caused by errors, thereby further improving the sorting efficiency and quality of the dry grinding wheel a and saving costs.

More specifically, a third mounting frame 103 is arranged on one side of the third sorting station 60 and the frame 10, the third mounting frame 103 is arranged vertically, and a third annular portion 1031 is arranged at the upper end of the third mounting frame 103, and the third annular portion 1031 is arranged above the feeding system 20 and can be projected onto the surface of the dry grinding wheel a entering the third sorting station 60.

The density re-inspection system 601 provided in the embodiment of the present application includes a camera module 6011, a spray module (not shown in the figure) and a magnetization module 6014, wherein the camera module 6011 is arranged at the middle hollow of the third annular portion 1031, the spray module is arranged at the bottom of the third annular portion 1031 in a circumferential arrangement, and a plurality of spray ports (not shown in the figure) are opened at the bottom of the third annular portion 1031, so that the camera module 6011 and the spray module are both arranged above the feeding system 20. The magnetization module 6014 is arranged at the edge of the third annular portion 1031 and extends vertically downward to the vicinity of the feeding system 20 and one side of the dry grinding wheel a, and magnetizes the dry grinding wheel a.

The camera module 6011 takes an image and sends it to the main control system 90 to obtain information that the dry grinding wheel a has reached the detection area of the third sorting station 60. The main control system 90 controls the feeding system 20 to stop the conveying action according to the position signal. In addition, the main control system 90 sends a command to control the spray module to spray the magnetic powder suspension evenly from top to bottom on the surface of the cutter head a2 of the dry grinding wheel a through the spray port, so that the magnetic powder suspension is evenly arranged on the surface of the cutter head a2.

After the main control system 90 sends instructions to control the magnetization module 6014 to magnetize the dry grinding wheel a, the main control system 90 sends instructions to control the camera module 6011 to capture the magnetization arrangement image of the magnetized magnetic powder on the surface of the cutter head a2, and feeds the magnetization arrangement image back to the main control system 90. The main control system 90 determines the crack conditions of the base a1 of the dry grinding wheel a and the cutter head a2 by identifying the magnetization arrangement image.

The camera module 6011 of the density re-inspection system 601 preferably adopts a wide-angle camera, the injection module preferably adopts a magnetic powder suspension injector, and the magnetization module 6014 preferably adopts a magnetization probe. Of course, if the above functional modules can achieve the same technical effect, other components are not excluded.

In this way, the density re-inspection system 601 is provided with a camera module 6011 to obtain the position of the dry grinding wheel a on the feeding system 20 reaching the third sorting station 60, and sequentially sprays the magnetic powder suspension on the dry grinding wheel a through the injection module, magnetizes the dry grinding wheel a through the magnetization module 6014, and obtains the magnetization arrangement image of the magnetic powder on the surface of the cutter head a2 through the camera module 6011, and then the main control system 90 analyzes and compares the magnetization arrangement image to determine the internal crack conditions of the base a1 of the dry grinding wheel a and the cutter head a2. The whole process is automated, and the crack conditions of the dry grinding wheel a can be further accurately determined.

In the process of sorting the dry grinding wheels a by the above functional modules, unqualified dry grinding wheels a are rejected by the rejection system 701. Specifically, the rejection system 701 provided in the embodiment of the present application adopts a pusher mechanism 7011 or a manipulator, and the pusher mechanism 7011 is preferably adopted.

Among them, the pushing mechanism 7011 is arranged near one side of the feeding system 20 and is located on the opposite side of the defective collection box 801. The pushing system has a pushing cylinder 7012, a pushing rod 7013 and a pushing plate 7014. One end of the pushing rod 7013 is connected to the pushing cylinder 7012, and the other end of the pushing rod 7013 is connected to the pushing plate 7014. When the main control system 90 receives a signal that each functional module detects that it is unqualified, it sends an instruction to control the pushing cylinder 7012 to drive the pushing rod 7013. The pushing rod 7013 can also drive the pushing plate 7014 to push the dry grinding wheel a to the defective collection box 801 opposite the feeding system 20, thereby completing the collection of the defective dry grinding wheel a.

As an alternative, when the manipulator is used, the manipulator is roughly L-shaped and is arranged near one side of the feeding system 20 and above the feeding system 20. Under the control of the main control system 90, the manipulator can rise, fall and rotate around a fixed point to clamp the dry grinding wheel a and put it into the defective collection box 801.

The embodiment of the present application provides a dry grinding wheel a sorting method, which uses a dry grinding wheel a sorting device to sort the dry grinding wheel a, including the following steps:

S1, placing the dry grinding wheel a to be tested on the feeding station 30, and vibrating the feeding tray 301 by the vibration motor 302 to vibrate the dry grinding wheel a in the feeding tray 301 to the feeding system 20;

S2, the feeding motor of the feeding system 20 drives the feeding belt 201, which is used to transport the dry grinding wheel a fed in step S1 to the first sorting station 40, and the weight of the dry grinding wheel a and the tooth height H of the cutter head are detected by the density initial inspection system 401 set on the first sorting station 40, to obtain the initial inspection information, and feed the initial inspection information back to the main control system 90; if the initial inspection information is within the preset range of the standard information in the database 91, the main control system 90 determines that the dry grinding wheel a is qualified for the initial density inspection, and then controls the feeding system 20 to transport the dry grinding wheel a to the next station; otherwise, the main control system 90 controls the rejection system 701 to reject the dry grinding wheel a to the defective collection box 801 of the collection station 80;

S3, the feeding system 20 conveys the dry grinding wheel a that has passed the initial density inspection in step S2 to the second sorting station 50, and detects the surface fracture of the cutter head a2 of the dry grinding wheel a under the application of the set torque through the torque detection system 501 set on the second sorting station 50, obtains the torque information, and feeds the torque information back to the main control system 90; if it is judged that the torque information is within the preset range of the standard information in the database 91, the main control system 90 judges that the dry grinding wheel a has passed the torque detection, and then controls the feeding system 20 to convey the dry grinding wheel a to the next station; otherwise, the main control system 90 controls the rejection system 701 to reject the dry grinding wheel a to the defective collection box 801 of the collection station 80;

S4, the feeding system 20 transports the dry grinding wheel a that has passed the torque test in step S3 to the third sorting station 60, and detects the internal cracks of the dry grinding wheel a through the density re-inspection system 601 set on the third sorting station 60, obtains re-inspection information, and feeds back the re-inspection information to the main control system 90; if it is determined that the re-inspection information is within the preset range of the standard information in the database 91, the main control system 90 determines that the dry grinding wheel a has passed the density re-inspection, then controls the feeding system 20 to transport the dry grinding wheel a to the good product stacking table 802 of the collection station 80; otherwise, the main control system 90 controls the rejection system 701 to reject the dry grinding wheel a to the defective product collection box 801 of the collection station 80.

In addition, the dry grinding wheels a sorted out after the above sorting process can be coded by the laser coder 93 installed on the fifth mounting frame 105 to mark the dry grinding wheels a as qualified products, and then the dry grinding wheels a are transported to the qualified product stacking table 802 through the feeding system 20. The qualified product stacking table 802 will automatically drop the height of the dry grinding wheel a every time a dry grinding wheel a is stacked, so as to avoid interference between the stacked dry grinding wheels a and the subsequent dry grinding wheels a.

In this way, through the dry grinding wheel a sorting method provided above, the feeding, sorting and rejection processes are all fully automated. The weight of the dry grinding wheel a and the cutter head tooth height H are automatically detected by the density initial inspection system 401 to determine the bottom powder or powder leakage of the dry grinding wheel a and the micro-cracks of the cutter head a2; under the condition that the density initial inspection is qualified, the torque critical value that the cutter head a2 of the dry grinding wheel a can withstand is detected by the torque detection system 501 to determine the micro-fracture of the surface of the cutter head a2; under the condition that the torque detection is qualified, the internal fracture of the base a1 and the cutter head a2 of the dry grinding wheel a is detected by the density re-inspection system 601, and the dry grinding wheel a that meets the requirements is transported to the good product stacking table 802 through the feeding system 20; otherwise, the dry grinding wheel a is rejected by the rejection system 701 to the defective collection box 801, thereby completing the automated sorting of the dry grinding wheel a.

The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims (14)

1. A dry grinding wheel sorting apparatus, comprising:

the feeding system is used for conveying the dry grinding wheel to each station;

a first sorting station is arranged in the feeding direction of the feeding system;

The first sorting station is provided with a density primary inspection system for detecting the weight of the dry grinding wheel and the tooth height of the cutter head of the dry grinding wheel to obtain primary inspection information;

The main control system is connected with a database for pre-storing standard information of the good dry grinding wheels, and the primary detection information is sent to the main control system and is compared with the standard information of the database; if the weight of the dry grinding wheel and the tooth height of the cutter head in the primary detection information are within the preset range of the standard information, judging that the dry grinding wheel is qualified in density primary detection, and allowing the dry grinding wheel to enter a next sorting station; if the primary inspection is failed, the dry grinding wheel is rejected to a defective product collecting box.

2. The dry grinding wheel sorting equipment according to claim 1, wherein the density primary detection system comprises a first positioning module, a laser module and a weighing module, wherein the first positioning module and the laser module are arranged above the feeding system and are used for detecting that when the dry grinding wheel reaches a detection area of a first sorting station, a position signal is fed back to the main control system so as to control the feeding system to stop conveying action; the main control system sends an instruction to control the laser module to project light to the cutter head of the dry grinding wheel, and the laser module is used for detecting the tooth height of the cutter head; the weighing module is arranged below the feeding system and used for weighing the weight of the dry grinding wheel.

3. The dry grinding wheel sorting apparatus of claim 2, wherein the density primary inspection system comprises a first mounting bracket, a first annular portion is disposed at an upper end of the first mounting bracket, the first annular portion is disposed above the feeding system and is capable of orthographic projecting onto a surface of a dry grinding wheel entering the first sorting station, and the first positioning module and the laser module are circumferentially disposed at a bottom of the first annular portion.

4. The dry grinding wheel sorting equipment according to claim 1, wherein a second sorting station is arranged in the feeding direction of the feeding system, the second sorting station is provided with a torsion detection system for detecting surface fracture conditions of a cutter head of a dry grinding wheel under the condition of applying set torsion to obtain torsion information, and the torsion information is sent to the main control system and is compared with standard information of the database; if the surface of the cutter head of the dry grinding wheel in the torque information is not broken, judging that the dry grinding wheel is qualified in torque detection, and allowing the dry grinding wheel to enter a next sorting station; if the torque force detection is not qualified, the dry grinding wheel is rejected to a defective product collecting box.

5. The dry grinding wheel sorting apparatus of claim 4, wherein the torsion detection system comprises a driver, a torsion bar, a torsion chuck and a second positioning module, wherein the second positioning module is arranged at one side of the feeding system and is used for detecting that when the dry grinding wheel reaches a detection area of the second sorting station, a position signal is fed back to the main control system to control the feeding system to stop conveying action; the torque rod is vertically arranged above the feeding system, the torque chuck is arranged at the lower end of the torque rod, and the main control system sends an instruction to control the driver to drive the torque rod to descend and clamp the tool bit of the dry grinding wheel through the torque chuck, and apply outward set torque to the tool bit.

6. The dry grinding wheel sorting apparatus of claim 5, wherein the torque force detection system comprises a second mounting bracket, a second annular portion is disposed at an upper end of the second mounting bracket, and the second annular portion is disposed above the feeding system and is capable of being orthographically projected onto a surface of a dry grinding wheel entering a second sorting station;

The driver comprises a lifting cylinder and an annular torsion cylinder, wherein the annular torsion cylinder is arranged on the second annular part and is connected with a plurality of torsion bars circumferentially arranged at the bottom of the second annular part; the lifting cylinder is arranged on the second mounting frame and is used for driving the second annular part and the torsion bar to vertically descend, and when the tool bit is clamped by the torsion chuck, the annular torsion cylinder drives the torsion bar and the torsion chuck to apply outward set torsion to the tool bit.

7. The dry grinding wheel sorting equipment according to claim 1, wherein a third sorting station is arranged in the feeding direction of the feeding system, and the third sorting station is provided with a density rechecking system for detecting internal cracks of the dry grinding wheel to obtain rechecking information, wherein the rechecking information is sent to the main control system and is compared with standard information of the database; if the matrix of the dry grinding wheel and the inside of the cutter head in the rechecking information are not broken, judging that the dry grinding wheel is qualified in density rechecking, and allowing the dry grinding wheel to enter a good stacking table of a collecting station; and if the dry grinding wheel is unqualified again, removing the dry grinding wheel from a defective product collecting box of the collecting station.

8. The dry grinding wheel sorting equipment according to claim 7, wherein the density rechecking system comprises a camera module, a jet module and a magnetization module, wherein the camera module and the jet module are arranged above the feeding system, and the camera module is used for detecting when the dry grinding wheel reaches a detection area of a third sorting station and feeding back a position signal to the main control system to control the feeding system to stop conveying action; the spraying module uniformly sprays magnetic powder suspension liquid on the surface of the cutter head of the dry grinding wheel; the magnetization module is arranged near the side part of the feeding system and used for magnetizing the dry grinding wheel, the camera module acquires magnetization arrangement images of magnetic powder on the surface of the cutter head, and feeds the magnetization arrangement images back to the main control system for judging the crack condition of the matrix of the dry grinding wheel and the cutter head.

9. The dry grinding wheel sorting apparatus of claim 8, wherein the density review system includes a third mounting bracket having a third annular portion disposed at an upper end thereof, the third annular portion being disposed above the feed system and capable of orthographic projection onto a surface of a dry grinding wheel entering a third sorting station;

The camera shooting module, the injection module and the magnetization module are all arranged on the third annular portion, the injection module is circumferentially arranged at the bottom of the third annular portion, and the magnetization module extends from top to bottom to the vicinity of the dry grinding wheel.

10. The dry grinding wheel sorting apparatus of one of claims 1,4 or 7, further comprising a reject station disposed behind the sorting station, the reject station having a reject system disposed thereon;

the rejection system includes:

The pushing mechanism is arranged near one side of the feeding system, the pushing system is provided with a pushing cylinder, a push rod and a push plate, one end of the push rod is connected with the pushing cylinder, the other end of the push rod is connected with the push plate, and the main control system sends an instruction to control the pushing cylinder to drive the push rod and drive the push plate to push the dry grinding wheel to the defective product collecting box;

Or the manipulator is arranged near one side of the feeding system, and the main control system sends an instruction to control the manipulator to clamp the dry grinding wheel and put the dry grinding wheel into the defective product collecting box.

11. The dry grinding wheel sorting device according to any one of claims 1 to 9, wherein in standard information of good dry grinding wheels pre-stored in the database, an error range of dry grinding wheel weight is-150 g to-80 g, an error range of cutter head tooth height is +/-0.8 mm, and a set torque is not less than 35N.

12. The dry grinding wheel sorting method adopts dry grinding wheel sorting equipment to sort dry grinding wheels, and is characterized by comprising the following steps:

s1, vibrating a dry grinding wheel to a feeding system in a vibration mode;

S2, the feeding system is used for conveying the dry grinding wheel fed in the step S1 to a first sorting station, detecting the weight of the dry grinding wheel and the tooth height of a cutter head through a density primary detection system arranged on the first sorting station to obtain primary detection information, and feeding the primary detection information back to the main control system; if the primary detection information is within the standard information preset range of the database, the main control system judges that the dry grinding wheel is qualified in density primary detection, and the feeding system is controlled to convey the dry grinding wheel to the next station; otherwise, the dry grinding wheel is removed to a defective product collecting box.

13. The dry grinding wheel sorting method of claim 12, wherein step S3 is provided after step S2;

In the step S3, the feeding system conveys the dry grinding wheel with qualified density in the step S2 to a second sorting station, a torsion detection system arranged on the second sorting station detects the surface fracture condition of a cutter head of the dry grinding wheel under the condition of applying set torsion to obtain torsion information, and the torsion information is fed back to a main control system; if the torque information is judged to be in the standard information preset range of the database, the main control system judges that the dry grinding wheel is qualified in torque detection, and the feeding system is controlled to convey the dry grinding wheel to the next station; otherwise, the dry grinding wheel is removed to a defective product collecting box.

14. The dry grinding wheel sorting method of claim 13, wherein step S4 is provided after step S3;

In the step S4, the feeding system conveys the dry grinding wheel qualified in torsion detection in the step S3 to a third sorting station, detects internal cracks of the dry grinding wheel through a density rechecking system arranged on the third sorting station, obtains rechecking information, and feeds the rechecking information back to a main control system; if the rechecking information is judged to be in the standard information preset range of the database, the main control system judges that the dry grinding wheel is qualified in density rechecking, and the feeding system is controlled to convey the dry grinding wheel to the good product stacking table; otherwise, the dry grinding wheel is removed to a defective product collecting box.