CN111678564A - An automatic test system for effective volume of carbon powder - Google Patents

Abstract

The invention creates and provides an automatic testing system for the effective volume of carbon powder, which includes a rack and testing equipment installed on the rack. Below, the vibrating feeding device is arranged just below the discharge port of the toner-splitting storage and weighing device, and the toner effective volume testing device is arranged at the discharging end of the vibrating feeding device; the total toner storage and weighing device , Toner storage weighing device, toner effective volume testing device, and vibrating feeding device are also connected to the main control device. The automatic testing system for the effective volume of carbon powder created by the invention saves manpower consumption, improves the accuracy of the test result, and is beneficial to improve the detection efficiency for the effective volume of carbon powder.

Description

An automatic test system for effective volume of carbon powder

technical field

The invention and creation belong to the technical field of automobile detection, in particular to an automatic test system for the effective volume of carbon powder.

Background technique

Compared with the fifth stage, the six-stage national light-duty vehicle emission standard has tightened the requirements for Type IV evaporative emission limits, and at the same time increased the requirements for Type VII refueling emission tests. In order to cope with the more stringent evaporative emission regulations in the sixth stage and the newly added fueling emission regulations, the main engine factory has redesigned the effective volume of the carbon canister, the proportion of carbon powder, and the proportion of the shell, and tested the effective volume of carbon powder in the carbon canister. It is also increasing continuously, and the measurement result of the effective volume of carbon powder directly affects the accuracy of the final result of the subsequent initial working capacity test of the carbon canister. It determines whether the measured value of the effective volume of carbon canister and its initial working capacity is consistent with the value declared by the manufacturer, and whether it can pass the test.

The flow during the existing carbon powder effective volume test is as follows: use an appropriate method to dissect the carbon canister, put the activated carbon into a measuring cup, and use an electronic balance to weigh the total net weight W; separate 50g from the total activated carbon W; 50g of activated carbon is vibrated Fill the feeder into the graduated cylinder, and record the volume as V1 (mL); repeat, and the average of three measurements is taken as the measurement result; and then calculate the effective volume of W mass carbon powder. The above operation process requires manual operation to mix the activated carbon and pour the activated carbon into the balance, the measuring cylinder and the vibrating feeder in turn. The intermediate process is easy to cause loss and spillage, and the human operation error is large, which is time-consuming and labor-intensive. To sum up, there is a need for a rigorous, precise and automated test system. However, there is no precedent for such a test system. Therefore, an automatic test system for the effective volume of carbon powder is required to improve the deficiencies of the existing operation and improve the test results. accuracy.

SUMMARY OF THE INVENTION

In view of this, the present invention aims to propose an automatic test system for the effective volume of carbon powder, so as to solve the problems of human participation, low test efficiency and inaccurate test results in the existing test process.

In order to achieve the above object, the technical scheme created by the present invention is realized like this:

An automatic testing system for the effective volume of carbon powder, comprising a rack, and testing equipment installed on the rack, the testing equipment comprising:

Total toner storage weighing device for weighing and storing all toner;

A sub-toner storage weighing device for weighing and storing a specific weight of toner;

Toner effective volume testing device for testing specific weight of toner;

A vibrating feeding device for vibrating the toner discharged from the toner storage and weighing device to the toner effective volume testing device;

The toner-partitioning storage and weighing device is arranged just below the discharge port of the total toner storage and weighing device, and the vibrating feeding device is arranged just below the discharge opening of the toner-partitioning storage and weighing device. The effective volume testing device is arranged at the discharge end of the vibrating feeding device;

The total toner storage and weighing device, the divided toner storage and weighing device, the toner effective volume testing device, and the vibrating feeding device are all connected to the main control device.

Further, the total toner storage and weighing device and the divided toner storage and weighing device include storage buckets, the storage buckets are fixedly installed on a fixed plate through a weighing sensor, and the fixed plate is fixedly connected to the rack; The load cell is used for weighing the toner in the storage bucket;

The bottom of the storage bucket is provided with a discharge port, and the discharge port is correspondingly provided with a control component for controlling its opening and closing;

Both the control assembly and the load cell are connected to the main control device.

Further, the control assembly includes an air cylinder and a movable plate arranged at the discharge port, the cylinder body of the air cylinder is fixedly connected to the frame through a fixing piece, the telescopic rod of the air cylinder is connected to the movable plate, and the air cylinder is connected with the movable plate. It is used to adjust the position of the movable plate, and then control the opening and closing of the discharge port; the cylinder is connected to the main control device through the driver.

Further, a guide funnel is also provided between the discharge port of the toner separation weighing device and the vibrating feeding device, and the guide funnel is fixedly connected to the frame through a fixing member.

Further, the vibrating feeder is a vibrating feeder with a flow controller, and the flow controller is connected to the main control device;

The frame body of the vibrating feeding device is fixed on the frame through the fixing frame.

Further, the conveying speed of the vibrating feeder is set between 0.75mL/s-1.0mL/s.

Further, a feeding funnel is also provided between the discharge end of the vibrating feeding device and the carbon powder effective volume testing device below, and the carbon powder conveyed by the vibrating feeding device is supplied to the carbon powder effective volume test through the feeding funnel. device.

Further, the toner effective volume testing device includes a measuring cylinder and a CCD sensor mounted on the frame base, and the CCD sensor is connected to the main control device.

Further, a spotlight is also provided on the side of the measuring cylinder away from the CCD sensor, and the spotlight and the CCD sensor are symmetrically arranged around the measuring cylinder;

The spotlight is connected to the CCD sensor through a driving circuit.

Further, the measuring cylinder is also correspondingly provided with a mounting frame;

The mounting frame includes a turntable for adjusting the horizontal position of the measuring cylinder, a vertical moving module for adjusting the vertical position of the measuring cylinder, a lateral moving module for adjusting the lateral position of the measuring cylinder, and a rotating arm for rotating the measuring cylinder; The turntable, the vertical movement module, the lateral movement module and the rotating arm are all connected to the main control device through the driver;

The turntable is fixedly installed on the base, the vertical moving module is fixed vertically on the upper surface of the turntable, the lateral moving module is fixed horizontally on the slider of the vertical moving module, and the rotating arm It is fixedly installed on the slider of the laterally moving module, and the measuring cylinder is fixedly installed on the end of the rotating arm through a transparent fixing member.

Compared with the prior art, the automatic test system for the effective volume of carbon powder described in the present invention has the following advantages:

The automatic test system for the effective volume of carbon powder created by the present invention can effectively solve the two drawbacks existing in the traditional test method; 1. In order to cope with the more stringent evaporative emission regulations in the six stages and the newly added fueling emission regulations, the machine factory has The effective volume of the carbon canister, the ratio of carbon powder, and the proportion of the shell have been redesigned, and the test of the effective volume of carbon powder in the carbon canister is also increasing, and there is a shortage of manpower; 2. The measurement results of the effective volume of carbon powder The accuracy directly affects the accuracy of the final result of the subsequent initial working capacity test of the carbon canister. At present, the manual operation of the carbon powder effective volume test accounts for a large proportion, and there is a problem that the test accuracy is slightly lower. The test system can solve the above two problems, save manpower consumption, improve the accuracy of test results, and help improve the detection efficiency of the effective volume of carbon powder.

Description of drawings

The accompanying drawings that constitute a part of the present invention are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

FIG. 1 is a schematic diagram of the principle of an automatic test system for effective volume of carbon powder according to an embodiment of the present invention.

Description of reference numbers:

1. Rack; 101. Base; 2. Total toner storage weighing device; 21. Storage bucket; 22. Load cell; 23. Movable plate; 24. Cylinder; 25. Fixed plate; 3. Toner storage scale Heavy device; 4. Vibrating feeding device; 5. Guide funnel; 6. Measuring cylinder; 7. Feeding funnel; 8. CCD sensor; 9. Spotlight; 10. Vertical moving module; 11. Turntable; 12. Horizontal moving module Group.

Detailed ways

It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "horizontal", "top", "bottom", "front", "rear", "left", "right", The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention The description is created and simplified rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second", etc., may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

As shown in FIG. 1, an automatic testing system for the effective volume of carbon powder includes a rack 1 and test equipment installed on the rack 1. The test equipment includes: the main function of the rack 1 is to install the test equipment , which does not belong to the main innovation point of this patent application, and its solution will not be repeated here.

A total toner storage weighing device 2 for weighing and storing all toner;

A sub-toner storage weighing device 3 for weighing and storing a specific weight of toner;

Toner effective volume testing device for testing specific weight of toner;

A vibrating feeder 4 for vibrating the toner discharged from the toner storage and weighing device 3 to the toner effective volume testing device;

The toner-partitioning storage weighing device 3 is arranged just below the discharge port of the total toner storage and weighing device 3, and the vibrating feeding device 4 is arranged right below the discharge opening of the toner-partitioning storage and weighing device 3, so The carbon powder effective volume testing device is arranged at the discharge end of the vibrating feeding device 4;

The total toner storage and weighing device 2 , the divided toner storage and weighing device 3 , the toner effective volume testing device, and the vibrating feeding device 4 are also connected to the main control device. The main control device can use an existing PLC controller to implement the functions required by the technical solution, and the specific connection relationship belongs to a technical attempt generally known by those skilled in the art, and will not be repeated here.

The total toner storage and weighing device 2 and the divided toner storage and weighing device 3 all include a storage bucket 21, and the storage bucket 21 is fixedly installed on a fixed plate 25 through a load cell 22, and the fixed plate 25 is connected to the machine. The rack 1 is fixedly connected; the load cell 22 is used to weigh the toner in the storage bucket 21;

The bottom of the storage bucket 21 is provided with a discharge port, and the discharge port is correspondingly provided with a control component for controlling its opening and closing;

Both the control assembly and the load cell 22 are connected to the main control device.

The control assembly includes an air cylinder 24 and a movable plate 23 arranged at the discharge port. The cylinder body of the air cylinder 24 is fixedly connected to the frame 1 through a fixing member, and the telescopic rod of the air cylinder 24 is connected to the movable plate 23, so The air cylinder 24 is used to adjust the position of the movable plate 23 to control the opening and closing of the discharge port; the air cylinder 24 is connected to the main control device through a driver.

A guide funnel 5 is further provided between the discharge port of the toner separation weighing device 3 and the vibrating feeding device 4 , and the guide funnel 5 is fixedly connected to the frame 1 through a fixing member.

The vibrating feeder 4 is a vibrating feeder with a flow controller, and the flow controller is connected to the main control device;

The frame body of the vibrating feeding device 4 is fixed on the frame 1 through the fixing frame. Vibration feeding device 4 adopts the existing Syntron light feeder, working principle: it is used for the transportation of loose materials, uniformly adjusts the feeding amount through the electromagnetic drive device, controls the flow speed of the material, and feeds the disordered materials. Automatic and orderly directional arrangement, accurate delivery to the next process.

The conveying speed of the vibrating feeding device 4 is set between 0.75mL/s-1.0mL/s.

There is also a feeding funnel 7 between the discharge end of the vibrating feeding device 4 and the carbon powder effective volume testing device below, and the carbon powder conveyed by the vibrating feeding device 4 is supplied into the carbon powder effective volume through the feeding funnel 7. test device.

The toner effective volume testing device includes a graduated cylinder 6 and a CCD sensor 8 mounted on the base 101 of the rack 1, and the CCD sensor 8 is connected to the main control device.

The side of the measuring cylinder 6 away from the CCD sensor 8 is also provided with a spotlight 9, and the spotlight 9 and the CCD sensor 8 are symmetrically arranged around the measuring cylinder 6;

The spotlight 9 is connected to the CCD sensor 8 through a driving circuit.

The measuring cylinder 6 is also provided with a corresponding mounting bracket; the mounting bracket is installed on the side of the base 101 and cannot block the space between the CCD sensor 8 and the spotlight 9 to prevent the detection result from being affected.

The mounting frame includes a turntable 11 for adjusting the horizontal position of the measuring cylinder 6, a vertical movement module 10 for adjusting the vertical position of the measuring cylinder 6, a lateral movement module 12 for adjusting the lateral position of the measuring cylinder 6, and a rotating measuring cylinder. 6 rotating arm; the turntable 11, the vertical movement module 10, the lateral movement module 12, and the rotating arm are all connected to the main control device through the driver;

The turntable 11 is fixedly installed on the base 101 , the vertical movement module 10 is fixed vertically on the upper surface of the turntable 11 , and the lateral movement module 12 is fixed horizontally on the slider of the vertical movement module 10 . Above, the rotating arm is fixedly installed on the slider of the lateral movement module 12, the measuring cylinder 6 is fixedly installed on the end of the rotating arm through a transparent fixing member, and the transparent fixing member is installed as far as possible in the middle and upper part of the measuring cylinder 6, Try to avoid affecting the detection structure.

It should be noted that the turntable 11 , the vertical movement module 10 , the lateral movement module 12 and the rotating arm are all existing devices. The function of the turntable 11 is to move the measuring cylinder 6 horizontally first, and then move it to the bottom of the feeding funnel 7 . On the outside, it is prevented from directly moving upwards and hitting the feeding funnel 7. The vertical movement module 10 and the lateral movement module 12 both use the servo motor to drive the screw, and then drive the slider. The main purpose is to adjust the measuring cylinder 6. The function of the horizontal and vertical positions is to facilitate the movement of the measuring cylinder 6 to the top of the vibrating feeding device 4. The function of the rotating arm is to invert the measuring cylinder 6, pour the toner onto the vibrating feeding device 4, and then reset the devices to perform a new operation. round test.

work process:

A. Turn on the main switch of the integrated control system, pour the total carbon powder into the total carbon powder storage weighing device 2, the integrated control system collects the mass W of the total carbon powder, issues relevant commands, and controls the cylinder 24 to open the total carbon powder storage and weighing device The movable plate 23 of the discharge port of the device 2 conveys a part of the toner to the toner storage and weighing device 3, for example, 50g of toner;

B. When the divided toner storage and weighing device 3 receives W1=50g of carbon powder, the integrated control system sends an instruction to close the discharge port of the total toner storage and weighing device 2 (that is, the control movable plate 23 closes the discharge port) , at the same time control to open the movable plate 23 at the discharge port of the carbon powder storage and weighing device 3, and unload the material to the vibrating feeding device 4;

C. When all 50g of carbon powder is fed to the vibrating feeding device 4, the integrated control system sends an instruction to close the discharge port of the carbon powder storage and weighing device 3, and the vibrating feeding device 4 starts to vibrate to convey the carbon powder, through the feeding funnel 7 finally falls into the graduated cylinder 6;

D. When all 50g of carbon powder falls into the measuring cylinder 6, the integrated control system issues an instruction, the spotlight 9 is turned on, and the CCD sensor 8 measures the height of the carbon powder in the measuring cylinder 6, and feeds back the data to the integrated control system. The diameter is converted into the effective volume V1;

E. After completing the previous process, control the turntable 11 to move the measuring cylinder 6 to the outside, the vertical movement module 10 lifts the measuring cylinder 6 to a fixed position, and the lateral movement module 12 drives the measuring cylinder 6 to move to the top of the vibrating feeding device 4, and rotates The arm realizes the inversion of the measuring cylinder 6, pours the carbon powder in the measuring cylinder 6 into the vibrating feeding device 4, drives the measuring cylinder 6 to return to the original position after the overturning is completed, and then repeats the processes C and D to obtain an effective volume V2 of 50g of carbon powder;

F. Repeat the E process to obtain the effective volume V3 of 50g carbon powder,

G. Finally, the effective volume of the total carbon powder can be calculated by the integrated control system V=(V1+V2+V3)*W/150

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the within the scope of protection of the present invention.

Claims (10)

1. An automatic test system of powdered carbon effective volume which characterized in that: including the frame to and install the test equipment in the frame, test equipment includes:

a total carbon powder storage weighing device for weighing and storing all carbon powder;

the carbon powder distributing and storing and weighing device is used for weighing and storing carbon powder with specific weight;

the carbon powder effective volume testing device is used for testing carbon powder with specific weight;

the vibration feeding device is used for conveying the carbon powder discharged by the carbon powder distribution storage and weighing device to the carbon powder effective volume testing device in a vibration mode;

the device for testing the effective volume of the carbon powder is arranged at the discharge end of the vibration feeding device;

the total carbon powder storage and weighing device, the divided carbon powder storage and weighing device, the carbon powder effective volume testing device and the vibration feeding device are all connected with a main control device.

2. The system for automatically testing the effective volume of carbon powder as claimed in claim 1, wherein: the total carbon powder storing and weighing device and the carbon powder distributing and storing and weighing device both comprise storage barrels, the storage barrels are fixedly arranged on a fixed plate through weighing sensors, and the fixed plate is fixedly connected with the rack; the weighing sensor is used for weighing the carbon powder in the storage barrel;

a discharge port is formed in the bottom of the storage barrel, and a control assembly for controlling the storage barrel to open and close is correspondingly arranged at the discharge port;

the control assembly and the weighing sensor are connected with a main control device.

3. The system for automatically testing the effective volume of carbon powder as claimed in claim 2, wherein: the control assembly comprises an air cylinder and a movable plate arranged at the discharge port, the cylinder body of the air cylinder is fixedly connected with the rack through a fixing piece, the telescopic rod of the air cylinder is connected with the movable plate, and the air cylinder is used for adjusting the position of the movable plate so as to control the opening and closing of the discharge port; the air cylinder is connected with the main control device through a driver.

4. The system for automatically testing the effective volume of carbon powder as claimed in claim 1, wherein: a guide funnel is further arranged between the lower portion of a discharge port of the carbon powder distributing, storing and weighing device and the vibration feeding device and is fixedly connected with the rack through a fixing piece.

5. The system for automatically testing the effective volume of carbon powder as claimed in claim 1, wherein: the vibration feeding device is a vibration feeder with a flow controller, and the flow controller is connected with the main control device;

the frame body of the vibration feeding device is fixed on the frame through the fixing frame.

6. The system for automatically testing the effective volume of carbon powder as claimed in claim 5, wherein: the conveying speed of the vibrating feeder is set between 0.75mL/s and 1.0 mL/s.

7. The system for automatically testing the effective volume of carbon powder as claimed in claim 1, wherein: and a feeding funnel is further arranged between the discharge end of the vibration feeding device and the effective carbon powder volume testing device below the vibration feeding device, and carbon powder conveyed by the vibration feeding device is fed into the effective carbon powder volume testing device through the feeding funnel.

8. The system for automatically testing the effective volume of carbon powder as claimed in claim 1, wherein: the carbon powder effective volume testing device comprises a measuring cylinder and a CCD sensor arranged on a base of the frame, and the CCD sensor is connected with the main control device.

9. The system for automatically testing the effective volume of carbon powder as claimed in claim 8, wherein: a spotlight is further arranged on one side, away from the CCD sensor, of the measuring cylinder, and the spotlight and the CCD sensor are symmetrically arranged around the measuring cylinder;

the spotlight is connected with the CCD sensor through the driving circuit.

10. The system for automatically testing the effective volume of carbon powder as claimed in claim 8, wherein: the measuring cylinder is also correspondingly provided with a mounting rack;

the mounting frame comprises a rotary table for adjusting the horizontal position of the measuring cylinder, a vertical moving module for adjusting the vertical position of the measuring cylinder, a transverse moving module for adjusting the transverse position of the measuring cylinder and a rotating arm for rotating the measuring cylinder; the rotary table, the vertical moving module, the transverse moving module and the rotating arm are all connected with a main control device through drivers;

the rotary table is fixedly installed on the base, the vertical moving module is vertically and fixedly installed on the upper surface of the rotary table, the transverse moving module is transversely and fixedly installed on a sliding block of the vertical moving module, the rotating arm is fixedly installed on a sliding block of the transverse moving module, and the measuring cylinder is fixedly installed at the end part of the rotating arm through a transparent fixing part.

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