CN108817624A - More specification stud transportation systems - Google Patents

Abstract

The invention discloses a multi-standard stud conveying system, which comprises a fixed casing, a rotating casing, a feeding device and a plurality of stud feeding devices. The fixed casing has openings at both axial ends; A rotating shell is provided to form a storage bin; each rotating shell is equipped with a plurality of baffles, and the outer wall of each rotating shell is coaxially fixedly connected with a rotating shaft, and the outer end of each rotating shaft is movably mounted on a fixed rotating shaft support; The rotary drive device is connected with the rotary shaft to drive the rotation of the rotary shell; each stud feeding device is arranged in the storage bin; one stud feeding device can screen out a type of stud and deliver it out of the storage bin; The feeding device is provided with a stud inlet facing the outlet of each stud feeding device; the feeding device is provided with a stud outlet corresponding to each stud inlet. The multi-standard stud conveying system can complete the conveying work of various studs with different diameters and specifications, and has a simple structure and reliable operation.

Description

Multi-specification stud delivery system

technical field

The invention relates to the technical field of automatic stud welding equipment for industrial robots, in particular to a multi-standard stud conveying system.

Background technique

With the rapid development of intelligent technology centered on industrial robots, it is rapidly replacing traditional semi-automated and manual manufacturing equipment and becoming the main body of the entire production line. Compared with the automatic welding line with industrial robots as the core, stud welding is an important working step. How to accurately and firmly fix different types of studs on the surface of the workpiece in an instantaneous low voltage-high current mode with the least amount of industrial robots and auxiliary equipment in an island-type workstation is the main challenge at present. The generalized automatic stud conveying equipment is to solve the bottleneck of this technology.

The robot stud welding system is mainly composed of industrial robots, stud welding tongs, and stud welding conveying equipment. The traditional stud conveying equipment does not have the characteristics of generalization when integrated with robots. The traditional stud welding conveying is mainly warehouse-type , clip-type and disc-type feeding, etc., the common disadvantage is that each clip can only feed a stud of one diameter alone. Therefore, for the circular island manufacturing area of the robot welding production line, in the case where a variety of studs need to be welded, it is often necessary for each stud welding robot to be equipped with stud conveying equipment that matches the type of welding studs at this station, which greatly increases Reduce production costs and equipment debugging installation and maintenance time, improve the control redundancy of the entire production line. Therefore, there is an urgent need for a universal stud automatic conveying device adapted to the industrial robot stud welding platform, which can solve the shortcomings of low efficiency and high price of a single stud conveying equipment, and meet the needs of modern automatic and rapid production in the simplest way.

Contents of the invention

The purpose of the present invention is to provide a multi-standard stud conveying system to solve the above-mentioned problems in the prior art, complete the conveying work of various studs with different diameters and specifications, and has a simple structure and reliable operation.

To achieve the above object, the present invention provides the following scheme:

The invention provides a multi-standard stud conveying system, which includes a fixed shell, a rotating shell, a rotary driving device, a feeding device and a plurality of stud feeding devices. The fixed shell has openings at both ends of the axial direction; Each of the openings at both ends is respectively provided with a rotating shell, and the two rotating shells and the fixed shell form a storage bin for storing studs; the inner wall of each of the rotating shells is circumferentially arranged with A plurality of baffles, each of the outer walls of the rotating shell is coaxially fixedly connected with a rotating shaft, and the outer ends of each of the rotating shafts are movably mounted on a fixed rotating shaft support; the rotating drive device and the rotating shaft connected to drive the rotating shell to rotate; each of the stud feeding devices is arranged in the storage bin; the rotating shell rotates and drives the studs accumulated in the storage bin through the blocking plate Moving up, the stud feeding device can receive the studs scattered after breaking away from the blocking plate, and one stud feeding device can screen out a type of stud and deliver it out of the storage bin ; The outlet of each of the stud feeding devices on the feeding device is provided with a stud inlet, and the feeding device communicates with the storage bin through the stud inlet to receive each stud feeding device. The stud feeding device screens the output studs; the feeding device is provided with a stud outlet corresponding to each stud inlet, and the screened studs of various specifications are output through the stud outlet in turn.

Preferably, the stud feeding device includes a feeding chute, a stud receiving guide trough and an inclined support frame, the feeding chute is obliquely installed on the fixed shell through the inclined support frame, the The upper end of the feeding chute is fixedly connected with the stud receiving guide groove, and the stud receiving guide groove is used to receive the studs that are lifted up by the blocking plate and guide the studs to the feeding In the chute, the feeding chute is used to screen out studs of required specifications and transport them out of the storage bin.

Preferably, the distance between the two inner walls of the feed chute is a screening distance, and the screening distance is greater than the outer diameter of the screw rod of the stud of the required specification and smaller than the outer diameter of the stud cap of the stud of the required specification, and the screening The spacing is larger than the outer diameter of the stud cap of other specifications of studs or smaller than the outer diameter of the screw of other specifications of studs.

Preferably, the feed chute includes a first side slide rail, a second side slide rail, a width positioning plate and a positioning connecting plate, and the first side slide rail and the second side slide rail are arranged relatively parallel to the In the storage bin, the width positioning plate includes a positioning plate, and the middle part of the positioning plate protrudes outward to form a rectangular protrusion, and the two ends of the positioning plate are respectively connected with the first side slide rail and the The second side slide rail is connected so that the first side slide rail and the second side slide rail are closely attached to the edges on both sides of the rectangular raised part, and the width of the rectangular raised part is the same as that of the described rectangular raised part. The equal screening spacing is used to limit the spacing between the first side slide rail and the second side slide rail; the positioning connecting plate includes a connecting horizontal plate, and a positioning part is respectively provided at both ends of the connecting horizontal plate, so The positioning connecting plate is respectively connected with the outer wall of the first side slide rail and the outer wall of the second side slide rail through the two positioning parts and defines the outer wall of the first side slide rail and the outer wall of the second side slide rail. The pitch of the second side rail is the screening pitch.

Preferably, the inclined support frame includes a connecting plate and a supporting base, one end of the connecting plate is fixedly connected with the feeding chute, the other end of the connecting plate is provided with a first adjustment hole, and the supporting The upper end of the base is provided with a second adjustment hole, and a connecting bolt passes through the first adjustment hole and the second adjustment hole to connect the connecting plate and the support base, and the lower end of the support base is fixed Connected to the inner side wall of the fixed shell.

Preferably, it also includes a bottom plate, the rotating shaft support is fixedly arranged on the bottom plate, and the feeding device includes a feeding support seat, a feeding guide rail groove, a feeding slider, a chute drive device and a guide rail groove cover plate, the lower end of the feeding support seat is fixedly connected to the base plate, the upper end of the feeding support seat is fixedly connected to the feeding rail groove, and the feeding slider is driven by the chute driving device Move back and forth along the length direction of the feeding rail groove in the feeding rail groove; the stud inlet is opened on the side wall of the feeding rail groove, and the feeding slider and the stud A plurality of stud accommodating grooves are provided on the side wall adjacent to the entrance, the number of the stud accommodating grooves is the same as the number of the stud inlets, and two adjacent studs accommodate The distance between the grooves is larger or smaller than the distance between the two adjacent stud inlets; the guide rail groove cover is fixedly connected to the feeding guide rail groove, and the guide rail groove cover is provided with a plurality of Stud outlets, during the movement of the feeding slider in the feeding rail groove, each of the stud accommodating grooves can be connected with the corresponding stud outlets, and the rail groove cover plate Corresponding to each of the stud outlets is connected with a stud conduit mounting seat, and a conduit through hole is opened on the stud conduit mounting seat, and the conduit through hole is used to connect with the pneumatic conveying device of the welding system.

Preferably, a feed hopper is provided on the fixed shell, the feed hopper communicates with the storage bin, and a baffle plate is hinged at the entrance of the hopper, and the baffle plate can close the feed The bucket is locked to the inlet edge of the feed hopper by a locking device.

Preferably, a bin photoelectric sensor for monitoring the number of studs in the storage bin is pierced on the inner side wall of the fixed housing, and a photoelectric sensor for monitoring the number of studs in the storage bin is pierced on the side wall of the feeding chute. Chute photoelectric sensor for the number and continuity of studs in the feed chute.

Preferably, the rotating shaft support is vertically and fixedly arranged on the bottom plate, and the rotary driving device includes a first motor, a reducer and two sets of synchronous pulley assemblies, and the synchronous pulley assembly includes a driving pulley, a driven pulley The pulley and the synchronous belt, the driving pulley and the driven pulley are connected through the synchronous belt, two motor support seats are fixedly arranged on the bottom plate, and the two motor support seats are respectively arranged on the On both sides of the storage bin, the first motor and the reducer are fixedly arranged on one of the motor support bases, and a synchronous transmission shaft is freely threaded on the two motor support bases, and the first motor The synchronous transmission shaft is driven to rotate through the reducer, the driving pulleys of the two sets of synchronous pulley assemblies are fixedly sleeved on the synchronous transmission shaft, and the driven pulleys are respectively fixedly sleeved on the synchronous transmission shaft. on one of said axes of rotation.

Preferably, the chute driving device includes a second motor, a lead screw and a screw nut, and two support flange seats are fixedly arranged on the feeding rail groove, and the lead screw is installed on the support flange seat The inner bearing is supported, the second motor is fixedly connected to one of the supporting flange seats through a supporting connecting column, the output shaft of the second motor is fixedly connected to one end of the lead screw, and the nut thread Connected to the lead screw, the nut passes through a long opening in the groove of the feeding guide rail and is fixedly connected with the feeding slider and drives the feeding slider along the feeding guide rail. The longitudinal direction of the groove reciprocates.

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

In the multi-standard stud conveying system provided by the present invention, the rotating shell is driven to rotate by the rotating drive device, and the rotating shell rotates and drives the studs accumulated in the storage bin to move up through the blocking plate, and the studs follow the rotation of the rotating shell. When moving to a certain height, the stud has a certain amount of kinetic energy, breaks away from the block, and falls in a horizontal sector along the parabolic trajectory. The stud feeding device can receive the scattered studs after breaking away from the block, and the rotating shell will The studs of different specifications are brought to the stud feeding device, the stud feeding device can screen out different types of studs, and a stud feeding device can screen out a type of stud and deliver the stock warehouse, and then output the studs of various specifications to the welding torch station at the front end of the robot through the feeding device for welding. The multi-standard stud delivery system provided by the present invention can complete the processing of various studs with different diameters and specifications. Conveying work, simple structure, reliable work.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required in the embodiments. Obviously, the accompanying drawings in the following description are only some of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is the overall structural diagram of the multi-standard stud conveying system provided by the present invention;

Fig. 2 is the rear view of the overall structure of the multi-standard stud conveying system provided by the present invention;

Fig. 3 is an axonometric view of the multi-standard stud conveying system provided by the present invention after the baffle plate, guide rail groove cover plate and stud conduit mounting seat are removed;

Fig. 4 is a schematic structural view of a stud feeding device in the multi-standard stud conveying system provided by the present invention;

Fig. 5 is the top view of a stud feeding device in the multi-standard stud conveying system provided by the present invention;

Fig. 6 is a structural assembly diagram of a feeding device in the multi-standard stud conveying system provided by the present invention;

Fig. 7 is a working principle diagram of the multi-standard stud conveying system provided by the present invention;

Fig. 8 is a structural diagram of two adjacent stud feeding devices in the multi-standard stud conveying system provided by the present invention;

In the figure: 1-fixed shell; 2-rotating shell; 3-shaft support; 4-driven pulley; 5-synchronous belt; 6-driving pulley; 7-first motor; 8-reducer; 9- Motor support seat; 10-second motor; 11-support connecting column; 12-loading support seat; 13-feeding guide rail groove; 14-feeding slide block; 15-elastic coupling; 16-bin photoelectric sensor ;17-synchronous transmission shaft; 18-screw receiving guide groove; 19-positioning connecting plate; 20-first side slide rail; 21-connecting plate; 22-supporting base; 23-width positioning plate; ;25-rail groove cover plate; 26-stud conduit mounting seat; 27-shielding plate; 28-chute photoelectric sensor; 29-leading screw; - block; 34 - stud inlet; 35 - stud accommodating groove; 36 - stud outlet; 37 - bottom plate; 38 - feed hopper.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The purpose of the present invention is to provide a multi-standard stud conveying system to solve the above-mentioned problems in the prior art, complete the conveying work of various studs with different diameters and specifications, and has a simple structure and reliable operation.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1 to 8, the present invention provides a multi-standard stud conveying system. In a specific embodiment of the present invention, the multi-standard stud conveying system includes a fixed casing 1, a rotating casing 2, a rotating drive device, an upper Feeding device and a plurality of stud feeding devices, the fixed casing 1 is fixedly arranged and has openings at both ends of the axial direction; the openings at both ends of the fixed casing 1 are respectively provided with a rotating casing 2, two rotating casings 2 and the fixed casing 1 A storage bin for storing studs 24 is formed; a plurality of baffles 33 are arranged circumferentially on the inner wall of each rotating shell 2, and a rotating shaft is fixedly connected to the outer wall of each rotating shell 2, and the outer end of each rotating shaft is movable. It is installed on a fixed rotating shaft support 3; the rotating drive device is connected with the rotating shaft to drive the rotating shell 2 to rotate; each stud feeding device is arranged in the storage bin; the rotating shell 2 rotates and passes through the blocking plate 33 Drive the studs 24 accumulated in the storage bin to move upwards, the stud feeding device can receive the studs 24 scattered after breaking away from the retainer 33, and a stud feeding device can screen out a type of stud 24 And transport out the storage bin; on the feeding device, a stud inlet 34 is arranged on the outlet of each stud feeding device, and the feeding device is communicated with the storage bin through the stud inlet 34 to receive the supply of each stud. The studs 24 output by the feeding device are screened; a stud outlet 36 is provided corresponding to each stud inlet 34 on the feeding device, and the studs 24 of various specifications screened out are output through the stud outlet 36 in turn.

The multi-standard stud conveying system provided by the present invention, as shown in Figure 7, the rotating shell 2 is driven by the rotating drive device to rotate, and the rotating shell 2 rotates and drives the studs 24 accumulated in the storage bin to move upward through the blocking piece 33. The stud 24 rotates with the rotating shell 2. When the stud 24 moves to a certain height, the stud 24 has a certain kinetic energy, breaks away from the retainer 33, and falls in a horizontal sector along the parabolic trajectory. The stud feeding device can receive The studs 24 scattered after breaking away from the catch 33, the rotating shell 2 brings the studs 24 of different specifications to the stud feeding device during the movement, and the stud feeding device can screen out different types of studs 24, and A stud feeding device can screen out studs 24 of one specification and transport them out of the storage bin, and then output studs 24 of various specifications to the welding torch station at the front end of the robot for welding through the feeding device. The multi-standard stud conveying system provided by the present invention can complete the conveying work of various studs 24 with different diameters and specifications, and has a simple structure and reliable operation.

In another specific embodiment of the present invention, there is a rotation gap between the circumferential edge of the rotating shell 2 of the multi-standard stud delivery system and the circumferential edge of the fixed shell 1 in the axial direction of the fixed shell 1, so that the rotating shell 2 It can freely rotate relative to the fixed shell 1, and the stud 24 will not leak out from the storage bin. Eight blocking pieces 33 are evenly distributed around the center of the circle in the rotating housing 22 .

In another specific embodiment of the present invention, the stud feeding device of the multi-standard stud conveying system includes a feeding chute, a stud receiving guide groove 18 and an inclined support frame, and the feeding chute is tilted through the inclined support frame. Installed on the fixed shell 1, the upper end of the feeding chute is fixedly connected with the stud receiving guide groove 18, and the stud receiving guide groove 18 is used to receive the stud 24 that is lifted and scattered by the catch 33 and the stud 24 Guided into the feeding chute, the feeding chute is used to screen out the studs 24 of required specifications, and the discharge end of the feeding chute is docked with the stud inlet 34 to transport the screened studs 24 out of the storage warehouse. The feeding chute and the stud receiving guide groove 18 are all obliquely arranged, and the stud receiving guide groove 18 includes a groove bottom plate and two groove side plates respectively connected to both sides of the groove bottom plate, and the groove bottom plate is parallel to the upper edge of the feeding chute Keep the same angle of inclination with the supply chute, the width of the bottom plate of the chute is the same as the width of the supply chute, and the two side plates of the chute are open to receive the scatter after being picked up by the baffle 33. stud 24 and guides the stud 24 into the feed chute.

In another specific embodiment of the present invention, the distance between the two inner walls of the feeding chute of the multi-standard stud conveying system is the screening distance, because the stud 24 for welding includes a screw with thread and a screw that is arranged at the end of the screw. Stud caps, and the outer diameters of different stud caps are slightly larger than the outer diameter of the screw by 1.5-2.5mm, and the screening distance in this embodiment is greater than the outer diameter of the stud 24 of the required specification and smaller than the outer diameter of the stud 24 of the required specification The outer diameter of the stud cap, and the screening pitch is larger than the outer diameter of the stud cap of other specifications of studs 24 or smaller than the outer diameter of the screw of studs 24 of other specifications. When the stud 24 on the stud receiving guide groove 18 meets the size requirements, the stud 24 can automatically slide into the feeding chute; Then this stud 24 will not enter in the feed chute, and will roll down to the bottom in the storage bin to filter again; Width is guaranteed to be greater than the stud cap size of the stud 24 of this specification, so that the stud 24 of this specification leaks to the bottom in the storage bin through the feeding chute, and filters again. Only the studs 24 that meet the required size requirements can have the stud caps upwards and the screw rods downwards to slide down automatically under the action of gravity successively along the feeding chute.

In another specific embodiment of the present invention, in order to ensure the dimensional accuracy of the feeding chute, as shown in FIGS. Side slide rail, width positioning plate 23 and positioning connecting plate 19, the first side slide rail 20 and the second side slide rail are arranged relatively parallel in the storage bin, the width positioning plate 23 comprises a positioning plate, and the middle part of the positioning plate protrudes outward A rectangular protrusion is formed, and the two ends of the positioning plate are respectively connected with the first side slide rail 20 and the second side slide rail through the positioning pins so that the first side slide rail 20 and the second side slide rail are closely attached to the rectangular protrusion. On the edges of both sides of the portion, and the width of the rectangular raised portion is equal to the screening pitch for limiting the distance between the first side slide rail 20 and the second side slide rail; the positioning connecting plate 19 comprises a connecting horizontal plate, and the two connecting horizontal plates Two positioning parts of the positioning connecting plate 19 are respectively connected with the outer side wall of the first side slide rail 20 and the outer side wall of the second side slide rail 20 by screws and define the outer side of the first side slide rail 20. The distance between the wall and the second side slide rail is the screening distance, and the screening distance is the screw outer diameter of the corresponding stud 24 + (0.5-1) mm. When the size of the groove width of feed chute needs to be adjusted, only need to change the width positioning plate corresponding to the stud 24 screw rod outer diameter dimensions of required size specifications and the positioning connecting plate 19 to install and adjust.

In another specific embodiment of the present invention, in order to facilitate the adjustment of the inclination angle of the stud feeding device to adapt to the sliding performance of different types of studs 24 in the chute, the inclined support frame of the multi-standard stud delivery system includes a connection Plate 21 and support base 22, one end of connecting plate 21 is fixedly connected with the feeding chute, the other end of connecting plate 21 is provided with a first adjustment hole, and the upper end of support base 22 is provided with a second adjustment hole, a connection Bolts pass through the first adjustment hole and the second adjustment hole to connect the connecting plate 21 and the support base 22 , and the lower end of the support base 22 is fixedly connected to the inner side wall of the fixed housing 1 . The inclination angle of the stud feeding device can be adjusted by loosening the connecting bolt, and after the angle is adjusted, tighten the connecting bolt to lock the inclination angle.

In another specific embodiment of the present invention, the multi-standard stud conveying system also includes a bottom plate 37, the fixed shell 1 is fixedly connected to the bottom plate 37, and the rotating shaft support is fixedly arranged on the bottom plate 37, as shown in FIG. 6, the upper The feeding device comprises a feeding support seat 12, a feeding guide rail groove 13, a feeding slide block 14, a chute driving device and a guide rail groove cover plate 25, and the lower end of the feeding supporting seat 12 is fixedly connected on the base plate 37, and the feeding support seat The upper end of 12 is fixedly connected with the feeding rail groove 13, and the feeding slider 14 is driven by the chute driving device to move back and forth along the length direction of the feeding rail groove 13 in the feeding rail groove 13; the stud inlet 34 is opened on the feeding rail groove 13 On the side wall of the rail groove 13, a plurality of stud accommodating grooves 35 are provided on the side wall adjacent to the feeding slider 14 and the stud inlet 34, and the number of the stud accommodating grooves 35 is the same as that of the stud inlet 34. The number is the same, and the spacing between two adjacent stud accommodating grooves 35 is greater than or less than the spacing between two adjacent stud inlets 34; A plurality of stud outlets 36 are provided on the slot cover plate 25, and during the moving process of the feeding slider 14 in the feeding rail groove 13, each stud accommodating groove 35 can be communicated with its corresponding stud outlets 36, and the guide rail Each stud outlet 36 on the slot cover plate 25 is connected with a stud conduit installation seat 26, and the stud conduit installation seat 26 is provided with a conduit through hole, which is used to pass through the air pipe 32 and the pneumatic conveying device of the welding system connect.

The feeding rail groove 13 is connected with the feeding support seat 12 by screws, and is located on the same inclined plane as the feeding chute, so as to ensure that the studs 24 can smoothly enter the stud accommodation in the feeding slider 14 from the feeding chute. Groove 35, stud accommodating groove 35 is the T-shaped stepped channel that cooperates with stud 24, and feeding guide rail groove 13 is a rectangular shell with two opposite side openings, and feeding guide rail groove 13 slides to feeding slide block 14 guide. The opposite side of the feeding rail groove 13 and the stud feeding device is all processed with a stud inlet 34 corresponding to each stud feeding device, and the stud inlet 34 is a stud that can be screened out by the stud feeding device 24 Through the rectangular opening, the number of rectangular openings is the same as the number of stud feeding devices, and the distance between the center lines of each rectangular opening is also the same as the center line distance of the stud feeding device arrangement, and its width ensures that the distance between the outer wall of the feeding chute same distance between. The number of stud accommodation grooves 35 is also the same as the number of stud feeding devices, but the distance between two adjacent stud accommodation grooves 35 is greater than or smaller than the distance between two adjacent stud inlets 34, preferably adjacent The distance between the two stud accommodating grooves 35 is greater than the distance between two adjacent stud inlets 34, so that the feeding slider 14 has only one stud accommodating groove 35 corresponding to the stud inlet 34. In addition, the stud The accommodating groove 35 and the stud inlet 34 do not correspond to each other, so as to ensure that the stud 24 can be transported smoothly without being stuck.

In another specific embodiment of the present invention, a feed hopper 38 is arranged on the fixed shell 1 of the multi-standard stud conveying system, and the feed hopper 38 communicates with the storage bin, and the entrance of the feed hopper 38 is hinged with a The baffle plate 27, the baffle plate 27 can close the feed hopper 38 and is locked on the inlet edge of the feed hopper 38 by a locking device. It is convenient to add different types of studs 24 at one time through the feeding hopper 38. The shielding plate 27 is a transparent baffle with good rigidity. Enclose the feed hopper 38, and prevent the stud 24 from flying out of the feed hopper 38 and hurting people in the rapid motion. When needing to increase the stud 24, after closing the multi-standard stud conveying system, open the shielding plate 27 and carry out the stuffing work.

In another specific embodiment of the present invention, the inner wall of the fixed housing 1 of the multi-standard stud delivery system is pierced with a silo photoelectric sensor 16 for monitoring the number of studs 24 in the storage silo, and the feed chute A chute photoelectric sensor 28 for monitoring the quantity and continuity of the studs 24 in the feed chute is perforated on the side wall. The height of the silo photoelectric sensor 16 is 1/4 of the outer diameter of the fixed shell 1. When the number of studs 24 in the storage silo decreases, the light sensitivity of the silo photoelectric sensor 16 increases, triggering a corresponding alarm, thereby reminding the technicians to stop the machine. material.

In another specific embodiment of the present invention, the rotating shaft support 3 of the multi-standard stud conveying system is fixed vertically on the bottom plate, the rotating shaft supporting member 3 is a supporting column, and the rotary driving device includes a first motor 7, a reducer 8 and Two sets of synchronous pulley assemblies, the synchronous pulley assembly includes a driving pulley 6, a driven pulley 4 and a synchronous belt 5, the driving pulley 6 and the driven pulley 4 are connected by a synchronous belt 5, and the bottom plate 37 is fixedly provided with two Two motor support bases 9, two motor support bases 9 are respectively arranged on both sides of the storage bin, the first motor 7 and the reducer 8 are all fixedly arranged on one motor support base 9, and the two motor support bases 9 are freely worn There is a synchronous transmission shaft 17, the first motor 7 drives the synchronous transmission shaft 17 to rotate through the reducer 8, the driving pulleys 6 of the two sets of synchronous pulley assemblies are fixedly sleeved on the synchronous transmission shaft 17, and each driven pulley 4 They are respectively fixedly sleeved on a rotating shaft. The first motor 7 drives the two synchronous pulley assemblies to rotate synchronously and at the same speed, and the power is transmitted to the rotating shell 2 through the synchronous pulley assembly, so as to complete the synchronous rotation of the two rotating shells 2 at the same speed.

In another specific embodiment of the present invention, the chute driving device of the multi-standard stud conveying system includes a second motor 10, a screw 29 and a screw nut 30, and two supporting flanges are fixedly arranged on the feeding rail groove 13 Seat 31, leading screw 29 is supported by the bearing that is installed in supporting flange seat 31, and second motor 10 is fixedly connected on a supporting flange seat 31 by a supporting connecting column 11, and the output shaft of second motor 10 and leading screw One end of 29 is fixedly connected, and the screw nut 30 is threadedly connected on the leading screw 29, and the screw nut 30 passes through the elongated opening on one side of the feeding guide rail groove 13 and is fixedly connected with the feeding slider 14 and drives the feeding slider. The block 14 moves back and forth along the length direction of the feeding rail groove 13 . The screw nut 30 of the sliding feeding structure is connected with the feeding slider 14 by screws, and the lead screw 29 is installed below the feeding rail groove 13 by two supporting flange seats 31 and bearings, and the second motor 10 is connected by an elastic coupling. The shaft device 15 is connected with one end of the leading screw 29 and provides power for the leading screw 29 .

In a specific embodiment of the present invention, the working process of the multi-standard stud conveying system is:

The first motor 7 rotates, and the synchronous pulley assembly transmits the power of the first motor 7 to the rotating casing 2, and the different catch pieces 33 distributed along the circumferential direction on the rotating casing 2 will bring the studs 24 in the storage bin from the bottom of the bin to the rotating casing 2. The top makes the stud 24 move and jump in the form of a parabola in the storage bin under the action of the rotating force. At this time, the V-shaped stud receiving guide groove 18 collects the fallen studs 24 , and the V-shaped groove structure is used to make the studs 24 be placed along the inclined direction of the stud receiving guide groove 18 . Since the stud feeding device is arranged obliquely and the surface of the stud receiving guide groove 18 is smooth, the stud 24 slides down to the feeding chute under the action of gravity. Only the studs 24 that meet the required size requirements can have the stud cap upwards and the screw rods slide down automatically under the action of gravity successively along the feeding chute. When the stud 24 slides along the feeding chute to the corresponding stud inlet 34 position on the feeding rail groove 13, it stops, waiting for the movement of the feeding slider 14 driven by the second motor 10, and making the stud accommodating groove 35 communicates with its corresponding stud inlet 34, and a stud 24 of a required size enters the corresponding stud accommodating groove 35 on the feeding slider 14 through the stud inlet 34; The stud conduit mounting seat 26 of the welding system is drawn into the pneumatic conveying device under the air pressure of the pneumatic conveying device of the welding system and moves to the terminal of the robot welding torch to complete the feeding work of the whole system.

It should be noted that the multi-standard stud conveying system in the present invention can generally be adapted to feed 2-3 kinds of studs at the same time, and there are 2-3 sets of stud feeding devices correspondingly, and the corresponding stud inlets, stud capacity There are 2-3 sets of slots, stud outlets and stud conduit mounting seats; if there are additional requirements for the expansion of the stud model, it is only necessary to increase the axial dimension of the fixed shell and add a stud feeding device that matches the corresponding model. The feeding guide rail groove and feeding slider can be replaced with the feeding guide rail groove and feeding slider with stations matching the stud size and quantity of the corresponding specifications. Among them, for the stud feeding device with more than 3 kinds of studs, The structure of the stud feeding device arranged on both sides of the cavity is shown in the left diagram in Figure 8, while the stud feeding device arranged in the middle adopts the right diagram in Figure 8, and the difference lies in the structure of the stud receiving guide groove The angle between the groove side plate and the axis of the fixed shell: the groove side plate on the outside of the stud receiving guide groove arranged on both sides is at an angle of 30° to the axis of the fixed shell, and the axis of the fixed shell inside is arranged vertically; the middle one The groove side plates on both sides of the stud receiving guide groove are symmetrically arranged at an angle of 30° to the axis of the fixed housing, so that the probability of the stud falling onto the stud receiving guide groove can be improved.

In the present invention, specific examples have been used to illustrate the principle and implementation of the present invention. The description of the above embodiments is only used to help understand the method and core idea of the present invention; meanwhile, for those of ordinary skill in the art, according to the present invention The idea of the invention will have changes in the specific implementation and scope of application. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims (10)

1. A multi-standard stud conveying system, characterized in that: comprising: a fixed shell, the fixed shell is open at both axial ends; The rotating casing, the openings at both ends of the fixed casing in the axial direction are respectively provided with a rotating casing, and the two rotating casings and the fixed casing form a storage bin for storing studs; each of the rotating casings The inner wall of the casing is provided with a plurality of blocking pieces in the circumferential direction, and the outer wall of each rotating casing is coaxially fixedly connected with a rotating shaft, and the outer end of each rotating shaft is movably mounted on a fixed rotating shaft support; a rotary drive device connected to the rotary shaft to drive the rotary housing to rotate; A plurality of stud feeding devices, each of which is installed in the storage bin; the rotating shell rotates and is driven by the blocking plate to accumulate on the studs in the storage bin Move, the stud feeding device can receive the studs scattered after breaking away from the blocking plate, and one stud feeding device can screen out a stud of a specification and transport it out of the storage bin; as well as A feeding device, the feeding device is provided with a stud inlet facing each outlet of the stud feeding device, and the feeding device communicates with the storage bin through the stud inlet to Receive the studs output by each of the stud feeding devices; the feeding device is provided with a stud outlet corresponding to each stud inlet, and the screened studs of various specifications pass through the studs in turn export output. 2. The multi-standard stud conveying system according to claim 1, characterized in that: the stud feeding device includes a feeding chute, a stud receiving guide chute and an inclined support frame, and the feeding chute passes through The inclined support frame is obliquely installed on the fixed shell, the upper end of the feeding chute is fixedly connected with the stud receiving guide groove, and the stud receiving guide groove is used for receiving The scattered studs are picked up and the studs are guided into the feeding chute, and the feeding chute is used to screen out the studs of required specifications and transport them out of the storage bin. 3. The multi-standard stud conveying system according to claim 2, characterized in that: the distance between the two inner walls of the feeding chute is a screening distance, and the screening distance is greater than the outer diameter of the screw of the required specification stud and It is smaller than the outer diameter of the stud cap of the stud of the required specification, and the screening distance is larger than the outer diameter of the stud cap of the stud of other specifications or smaller than the outer diameter of the screw of the stud of other specifications. 4. The multi-standard stud conveying system according to claim 2 or 3, characterized in that: the feeding chute includes a first side slide rail, a second side slide rail, a width positioning plate and a positioning connecting plate, the The first side slide rail and the second side slide rail are arranged relatively parallel in the storage bin, the width positioning plate includes a positioning plate, and the middle part of the positioning plate protrudes outward to form a rectangular raised portion, The two ends of the positioning plate are respectively connected with the first side slide rail and the second side slide rail so that the first side slide rail and the second side slide rail are closely attached to the rectangular protrusion on the edges on both sides of the portion, and the width of the rectangular raised portion is equal to the screening distance to limit the distance between the first side slide rail and the second side slide rail; the positioning connecting plate includes a connecting A horizontal plate, the two ends of the connecting horizontal plate are respectively provided with a positioning part, and the positioning connecting plate is respectively connected with the outer side wall of the first side slide rail and the second side slide rail through the two positioning parts. The outer side wall of the first side slide rail is connected to and defines the distance between the outer side wall of the first side slide rail and the second side slide rail as the screening interval. 5. The multi-standard stud conveying system according to claim 2, characterized in that: the inclined support frame includes a connecting plate and a supporting base, one end of the connecting plate is fixedly connected with the feeding chute, and the The other end of the connecting plate is provided with a first adjustment hole, the upper end of the support base is provided with a second adjustment hole, and a connecting bolt passes through the first adjustment hole and the second adjustment hole to connect the connection The board is connected to the supporting base, and the lower end of the supporting base is fixedly connected to the inner side wall of the fixed shell. 6. The multi-standard stud conveying system according to claim 2, characterized in that: it also includes a bottom plate, the rotating shaft support is fixedly arranged on the bottom plate, and the feeding device includes a feeding support seat, an upper Material guide rail groove, feeding slider, chute driving device and guide rail groove cover plate, the lower end of the described feeding support seat is fixedly connected to the base plate, the upper end of the described material feeding support seat is connected with the described feeding guide rail groove Fixedly connected, the feeding slider is driven by the chute driving device to reciprocate in the feeding guide rail groove along the length direction of the feeding guide rail groove; the stud inlet is opened on the feeding guide rail On the side wall of the groove, a plurality of stud accommodating grooves are provided on the side wall adjacent to the stud inlet of the feeding slider, and the number of the stud accommodating grooves is the same as that of the stud inlet. The number is the same, and the distance between two adjacent stud accommodation grooves is greater than or smaller than the distance between two adjacent stud inlets; the guide rail groove cover is fixedly connected to the feeding guide rail On the groove, and a plurality of the stud outlets are opened on the cover plate of the guide rail groove. During the movement of the feeding slider in the feeding guide rail groove, each of the stud accommodating grooves can be connected with each other. The corresponding stud outlets are connected, and each of the stud outlets on the guide rail groove cover plate is connected with a stud conduit mounting seat, and a conduit through hole is opened on the stud conduit mounting seat. The through hole of the conduit is used to connect with the pneumatic conveying device of the welding system. 7. The multi-standard stud conveying system according to claim 1, characterized in that: the fixed shell is provided with a feed hopper, the feed hopper communicates with the storage bin, and the feed hopper A baffle plate is hinged at the entrance, and the baffle plate can close the feed hopper and be locked to the inlet edge of the feed hopper by a locking device. 8. The multi-standard stud conveying system according to claim 2, characterized in that: a silo photoelectric sensor for monitoring the number of studs in the storage silo is perforated on the inner side wall of the fixed housing, so that A chute photoelectric sensor for monitoring the quantity and continuity of the studs in the feed chute is pierced on the side wall of the feed chute. 9. The multi-standard stud conveying system according to claim 6, characterized in that: the rotating shaft support is fixed vertically on the bottom plate, and the rotary driving device includes a first motor, a reducer and two sets of synchronous The pulley assembly, the synchronous pulley assembly includes a driving pulley, a driven pulley and a synchronous belt, the driving pulley and the driven pulley are connected through the synchronous belt, and two two motor support bases, the two motor support bases are respectively arranged on both sides of the storage bin, the first motor and the reducer are both fixedly arranged on one of the motor support bases, and the two said motor support bases A synchronous transmission shaft is freely threaded on the motor support base, the first motor drives the synchronous transmission shaft to rotate through the reducer, and the driving pulleys of the two sets of synchronous pulley assemblies are fixedly sleeved on the On the synchronous transmission shaft, each of the driven pulleys is respectively fixedly sleeved on one of the rotating shafts. 10. The multi-standard stud conveying system according to claim 6, characterized in that: the chute driving device includes a second motor, a lead screw and a screw nut, and two supports are fixedly arranged on the feeding rail groove flange seat, the screw is supported by a bearing installed in the support flange seat, the second motor is fixedly connected to one of the support flange seats through a support connecting column, the second motor The output shaft is fixedly connected to one end of the lead screw, the screw nut is threadedly connected to the lead screw, and the screw nut passes through a long opening on the feeding guide rail groove and connects with the feeding slide The block is fixedly connected and drives the feeding slide block to reciprocate along the length direction of the feeding rail groove.