Multi-point riveting apparatus for connecting a brush holder to a plurality of brush cartridges

Abstract

The utility model belongs to motor stator assembly technical field, concretely relates to a kind of multi-point riveting equipment for making brush holder and multiple brush box be connected, can simultaneously riveting operation is carried out to brush holder and multiple brush box.It includes processing platform, and the positioning column for making brush holder position fixed is provided on processing platform;The upper of processing platform is provided with pressure clamping mechanism, and pressure clamping mechanism is connected with rack through first up-down movement guide mechanism, and pressure clamping mechanism is pressed down and clamped brush box by pressure clamping drive mechanism installed on rack;The lower of processing platform is provided with riveting ejector pin mechanism, and riveting ejector pin mechanism is connected with rack through second up-down movement guide mechanism, and riveting ejector pin mechanism makes up-down linear motion by jacking drive mechanism installed on rack;Riveting ejector pin mechanism has the riveting ejector pin of being set vertically towards up, and riveting ejector pin is provided with multiple;Riveting ejector pin is arranged corresponding to riveting processing site;Processing platform is also provided with processing through-hole for riveting ejector pin.

Description

Technical Field

[0001] This utility model belongs to the field of motor stator assembly technology, specifically relating to a multi-point riveting device for connecting a brush holder to multiple brush boxes. Background Technology

[0002] In existing systems, the carbon brush holders (hereinafter referred to as "brush holders") in the motor stator are fixed to the carbon brush holder (hereinafter referred to as "brush holder") by riveting, with multiple brush holders arranged in pairs along the circumference of the brush holder. For example... Figure 1 As shown, four brush boxes 13 are riveted to the brush holder 12, and each brush box 13 has two riveting points 14 with the brush holder 12. The current method is to perform the riveting process manually, but this has the technical problem of low work efficiency. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a multi-point riveting device for connecting a brush holder to multiple brush boxes, which can simultaneously perform riveting operations on the brush holder and multiple brush boxes.

[0004] The technical solution adopted by this utility model to solve its technical problem is: a multi-point riveting device for connecting a brush holder to multiple brush boxes, including a frame and a processing platform; the processing platform is connected to the frame by a vertically arranged support rod, and the processing platform is provided with a positioning column for fixing the position of the brush holder;

[0005] Above the processing platform is a pressure clamping mechanism for fixing the positions of multiple brush boxes. The pressure clamping mechanism is connected to the frame through a first up-and-down movement guide mechanism. The pressure clamping mechanism presses down and clamps the brush boxes through a pressure clamping drive mechanism mounted on the frame. The pressure clamping mechanism is arranged correspondingly to the riveting processing station and is located directly above the riveting processing station.

[0006] A riveting ejector mechanism is provided below the processing platform. The riveting ejector mechanism is connected to the machine frame through a second up-and-down motion guide mechanism. The riveting ejector mechanism moves up and down linearly through a lifting drive mechanism installed on the machine frame. The riveting ejector mechanism has riveting ejectors that face upward and are arranged vertically. There are multiple riveting ejectors. The riveting ejectors are arranged corresponding to the riveting processing positions.

[0007] The machining platform is also provided with machining through holes for the riveting pins to pass through.

[0008] Furthermore, the pressure clamping mechanism includes a connecting seat, which is connected to the frame via the first up-and-down movement guide mechanism; the connecting seat is provided with a mounting base located below it; it also includes a horizontal support plate disposed above the connecting seat, which is connected to the pressure clamping drive mechanism; a first vertical spring is disposed between the connecting seat and the horizontal support plate; and a limiting mechanism is disposed on the connecting seat to restrict the upward movement of the horizontal support plate.

[0009] The connecting seat is provided with a coaxially arranged mounting cavity and a limiting cavity. The mounting base is provided with a vertical mounting hole. The mounting cavity, the limiting cavity, and the vertical mounting hole are arranged sequentially from top to bottom and are connected to each other. The inner diameter of the mounting cavity and the vertical mounting hole is smaller than the inner diameter of the limiting cavity.

[0010] It also includes a vertical pressure rod that is slidably installed through the vertical mounting hole. The upper end of the vertical pressure rod is provided with a limiting part located in the limiting cavity. A second vertical spring is provided between the limiting part and the top wall of the mounting cavity. The lower end of the vertical pressure rod is provided with a horizontal pressure plate located below the mounting base.

[0011] It also includes a clamping unit, which comprises a vertical connecting rod and a gripper; the vertical connecting rod is installed through the connecting seat and slidably engaged, the upper end of the vertical connecting rod is connected to the horizontal support plate, and the lower end of the vertical connecting rod extends to the bottom of the connecting seat and is located on the outer side of the lower end of the mounting base; the lower end of the vertical connecting rod is provided with a limiting hole facing the mounting base; there is a gripper swing space between the lower end of the vertical connecting rod and the lower end of the mounting base;

[0012] The upper end of the gripper is connected to the lower end of the mounting base via a horizontal pivot and is located in the gripper swing space. The lower end of the gripper is bent toward the direction close to the vertical pressure rod axis and extends to the bottom of the mounting base. A spherical protrusion is provided on the side of the upper end of the gripper adjacent to the vertical connecting rod and is rotatably installed in the limiting hole.

[0013] The clamping unit is provided in multiple sets, and the multiple sets of clamping units are evenly distributed along the circumference of the vertical pressure bar;

[0014] Initially, the grippers of each set of clamping units are open, and the grippers of each set of clamping units are located above the horizontal pressure plate. There is a gap between the lower end of the grippers of each set of clamping units and the horizontal pressure plate, allowing the brush box to extend in. During clamping, the lower end of the grippers of each set of clamping units is located below the horizontal pressure plate, and forms a brush box clamping space with the horizontal pressure plate.

[0015] Furthermore, the connecting seat includes a horizontal connecting plate and a connecting block that are arranged vertically and connected to each other;

[0016] The horizontal connecting plate is connected to the frame via the first vertical movement guide mechanism;

[0017] The limiting mechanism is disposed on the horizontal connecting plate and is located above the horizontal connecting plate; the horizontal support plate is located above the horizontal connecting plate;

[0018] The vertical connecting rods are installed by passing through the through holes on the horizontal connecting plate and the connecting block in sequence, and are slidably fitted together.

[0019] Furthermore, the horizontal connecting plate is provided with a vertically arranged mounting through hole, and the connecting block is provided with an upward-facing mounting groove. The mounting through hole and the mounting groove are coaxially arranged and connected. The first vertical spring is installed in the mounting through hole and the mounting groove, and the upper end of the first vertical spring is located on the upper surface of the horizontal connecting plate.

[0020] Furthermore, it also includes a reciprocating motion guide mechanism, which includes a sliding part and a sliding groove that are in sliding fit.

[0021] The sliding part is disposed on the edge of the horizontal pressure plate;

[0022] The bottom edge of the mounting base is provided with a connecting support located below it, and the sliding groove is vertically provided on the connecting support;

[0023] Multiple sets of the reciprocating motion guide mechanism are provided, and the multiple sets of the reciprocating motion guide mechanism are evenly distributed along the circumference of the vertical pressure rod; one set of the reciprocating motion guide mechanism is arranged corresponding to one set of the clamping unit.

[0024] Furthermore, the processing platform includes a processing table and a mounting table arranged vertically, both of which are horizontally arranged;

[0025] The mounting plate is connected to the frame via a support rod; the mounting plate has windows arranged corresponding to the processing plate; the processing through hole is opened on the processing plate, and the positioning post is set on the upper surface of the processing plate;

[0026] The processing table and the mounting table are connected by a horizontal linear reciprocating motion guide mechanism; the mounting table is equipped with a horizontal linear reciprocating motion drive mechanism for driving the processing table to reciprocate along a horizontal linear direction.

[0027] Furthermore, the horizontal linear reciprocating motion guide mechanism includes a sliding seat and a slide rail that are in sliding fit.

[0028] The slide rail is horizontally disposed on the upper surface of the mounting plate, and the sliding seat is disposed on the lower surface of the processing plate.

[0029] Furthermore, the horizontal linear reciprocating motion drive mechanism includes a drive motor and a lead screw mechanism; the drive motor is mounted on the mounting plate and located below the mounting plate; both ends of the lead screw in the lead screw mechanism are connected to the mounting plate via rotating seats and are located below the mounting plate; the shaft extension end of the drive motor is connected to the lead screw via transmission; the internal threaded cylinder in the lead screw mechanism is connected to the processing table via a bracket; the length direction of the lead screw is parallel to the length direction of the slide rail.

[0030] Furthermore, the limiting mechanism includes L-shaped limiting members, two of which are arranged in pairs. The two L-shaped limiting members are located on both sides of the horizontal support plate and form an installation space for installing the horizontal support plate.

[0031] The L-shaped limiting member includes a vertical plate and a limiting flange disposed on the top of the vertical plate; the lower end of the vertical plate is connected to the connecting seat; the limiting flanges of the two L-shaped limiting members are arranged opposite to each other and have a gap;

[0032] The connection between the pressure clamping drive mechanism and the horizontal support plate is located between the limiting flanges of the two L-shaped limiting members;

[0033] The horizontal support plate is movably installed in the installation space, and the limiting flange is located above the horizontal support plate; the distance from the lower surface of the limiting flange to the top surface of the connecting seat is greater than the thickness of the horizontal support plate.

[0034] Furthermore, the first vertical movement guide mechanism includes a first vertical sleeve and a first vertical slide rod that are slidably engaged;

[0035] The first vertical sleeve is mounted on the frame and fitted over the first vertical slide rod; the lower end of the first vertical slide rod is connected to the connecting seat.

[0036] Compared with the prior art, the beneficial effects of this utility model are: This utility model provides a multi-point riveting device for connecting a brush holder to multiple brush boxes, which can simultaneously perform riveting operations on the brush holder and multiple brush boxes. This improves the processing efficiency of riveting the brush holder to multiple brush boxes and also has the advantage of a high degree of automation. Attached Figure Description

[0037] Figure 1 This is a schematic diagram of the brush box and brush holder in the background art;

[0038] Figure 2 This is a perspective view of the present invention;

[0039] Figure 3 This is the front view of this utility model;

[0040] Figure 4 This is a side view of the present invention;

[0041] Figure 5 This is a perspective view of the pressure clamping mechanism in this utility model;

[0042] Figure 6 yes Figure 5 Enlarged view of part A in the image;

[0043] Figure 7 This is a front view of the pressure clamping mechanism in this utility model;

[0044] Figure 8 yes Figure 7 A sectional view along the line of sight BB;

[0045] Figure 9 This is a schematic diagram showing the positions of the processing platform, riveting pin mechanism, second up-and-down movement guide mechanism, and lifting drive mechanism in this utility model;

[0046] Figure 10 yes Figure 9 Enlarged view of section C in the image;

[0047] Figure 11 This is a schematic diagram showing the positions of the riveting ejector pin, the ejector pin base, and the second up-and-down movement guide mechanism in this utility model;

[0048] Figure label:

[0049] 1-Rack;

[0050] 2-Machining platform; 201-Positioning post; 202-Machining through hole; 203-Machining table; 204-Mounting table;

[0051] 3-Pressure clamping mechanism; 301-Connecting seat; 3011-Mounting cavity; 3012-Limiting cavity; 3013-Vertical mounting hole; 302-Horizontal support plate; 303-First vertical spring; 304-L-shaped limiting component; 3041-Vertical plate; 3042-Limiting flange; 305-Vertical connecting rod; 3051-Limiting hole; 306-Claw; 3061-Horizontal rotating shaft; 3062-Spherical protrusion; 307-Vertical pressure rod; 308-Second vertical spring; 309-Horizontal pressure plate; 3091-Sliding part; 310-Connecting support; 3101-Slide groove; 311-Horizontal connecting plate; 31101-Mounting through hole; 312-Connecting block; 31201-Mounting groove; 313-Mounting base;

[0052] 4-First vertical movement guide mechanism; 401-First vertical sleeve; 402-First vertical slide bar;

[0053] 5-Pressure clamping drive mechanism;

[0054] 6-Support rod;

[0055] 7-Riveting ejector pin mechanism; 701-Riveting ejector pin; 702-Ejector pin base;

[0056] 8-Second vertical motion guide mechanism;

[0057] 9-Lifting drive mechanism;

[0058] 10 - Horizontal linear reciprocating motion guide mechanism; 1001 - Slide rail; 1002 - Sliding seat;

[0059] 11-Horizontal linear reciprocating motion drive mechanism; 1101-Drive motor; 1102-Screw; 1103-Internal threaded cylinder; 1104-Rotating seat; 1105-Bracket;

[0060] 12-Brush holder; 1201-Positioning hole;

[0061] 13-Brush box;

[0062] 14-Riveting point. Detailed Implementation

[0063] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0064] A multi-point riveting device for connecting brush holders to multiple brush boxes includes a frame 1 and a processing platform 2. The processing platform 2 is connected to the frame 1 via a vertically arranged support rod 6. The processing platform 2 is equipped with positioning posts 201 for fixing the position of the brush holders 12. Above the processing platform 2 is a pressure clamping mechanism 3 for fixing the position of multiple brush boxes 13. The pressure clamping mechanism 3 is connected to the frame 1 via a first up-and-down movement guide mechanism 4. The pressure clamping mechanism 3 presses down and clamps the brush boxes 13 via a pressure clamping drive mechanism 5 mounted on the frame 1. The pressure clamping mechanism 3 is connected to the riveting device... The workstations are arranged correspondingly and located directly above the riveting processing workstations; a riveting ejector mechanism 7 is provided below the processing platform 2, and the riveting ejector mechanism 7 is connected to the frame 1 through a second up-and-down movement guide mechanism 8. The riveting ejector mechanism 7 moves up and down linearly through a lifting drive mechanism 9 installed on the frame 1; the riveting ejector mechanism 7 has riveting ejectors 701 that are arranged upwards and vertically, and there are multiple riveting ejectors 701; the riveting ejectors 701 are arranged correspondingly to the riveting processing workstations; the processing platform 2 is also provided with a processing through hole 202 for the riveting ejectors 701 to pass through.

[0065] In use, the brush holder 12 is placed on the processing platform 2, with the positioning pins 201 passing through the positioning holes 1201 on the brush holder 12. There are usually two positioning holes 1201, located on either side of the center of the brush holder 12. The number and position of the positioning pins 201 correspond to the number and position of the positioning holes 1201 on the brush holder 12. Multiple brush boxes 13 are placed in fixed positions on the brush holder 12, with the through holes on each brush box 13 corresponding to the corresponding through holes on the brush holder 12 to form riveting points 14. After the brush holder 12 and brush boxes 13 are placed, they are located at the riveting processing station. At this time, the pressure clamping mechanism 3 is located above the brush holder 12 and brush boxes 13, and the riveting pin mechanism 7 is located below the brush holder 12 and brush boxes 13. The pressure clamping drive mechanism 5 drives the pressure clamping mechanism 3 to press down and clamp the brush box 13, while the lifting drive mechanism 9 drives the riveting pin mechanism 7 to move upward, so that the riveting pin 701 passes upward through the machining through hole 202 and the riveting point 14, and rivets the brush box 13 to the brush holder 12. After the riveting is completed, the pressure clamping drive mechanism 5 drives the pressure clamping mechanism 3 to reset upward, and the lifting drive mechanism 9 drives the riveting pin mechanism 7 to reset downward.

[0066] Specifically, the riveting pin mechanism 7 includes a pin base 702 and a riveting pin 701 vertically disposed above the pin base 702; the lower end of the riveting pin 701 is connected to the pin base 702. The lifting drive mechanism 9 is connected to the pin base 702.

[0067] Preferably, the pressure clamping mechanism 3 includes a connecting seat 301, which is connected to the frame 1 via the first up-and-down movement guide mechanism 4; a mounting base 313 is provided on the connecting seat 301 below it; it also includes a horizontal support plate 302 disposed above the connecting seat 301, which is connected to the pressure clamping drive mechanism 5; a first vertical spring 303 is provided between the connecting seat 301 and the horizontal support plate 302; a limiting mechanism is provided on the connecting seat 301 to limit the upward movement of the horizontal support plate 302; a mounting cavity 3011 and a limiting cavity 3012 are coaxially arranged inside the connecting seat 301, and the mounting base 313... The mounting base 313 is provided with a vertical mounting hole 3013. The mounting cavity 3011, the limiting cavity 3012, and the vertical mounting hole 3013 are arranged sequentially from top to bottom and are connected. The inner diameters of the mounting cavity 3011 and the vertical mounting hole 3013 are both smaller than the inner diameter of the limiting cavity 3012. The mounting base 313 also includes a vertical pressure rod 307 that is slidably mounted through the vertical mounting hole 3013. The upper end of the vertical pressure rod 307 is provided with a limiting part located within the limiting cavity 3012. A second vertical spring 308 is provided between the limiting part and the top wall of the mounting cavity 3011. The lower end of the vertical pressure rod 307 is provided with a horizontal pressure plate 309 located below the mounting base 313. The mounting base 313 also includes a clamping unit, which includes a vertical connecting rod 305. The vertical connecting rod 305 passes through the connecting seat 301 and is slidably fitted. The upper end of the vertical connecting rod 305 is connected to the horizontal support plate 302, and the lower end of the vertical connecting rod 305 extends below the connecting seat 301 and is located on the outer side of the lower end of the mounting base 313. The lower end of the vertical connecting rod 305 is provided with a limiting hole 3051 facing the mounting base 313. There is a gripper swing space between the lower end of the vertical connecting rod 305 and the lower end of the mounting base 313. The upper end of the gripper 306 is connected to one side of the lower end of the mounting base 313 through a horizontal rotating shaft 3061 and is located in the gripper swing space. The lower end of the gripper 306 faces towards the axis of the vertical pressure rod 307. The direction is bent and extends to the lower part of the mounting base 313; the upper end of the gripper 306 is provided with a spherical protrusion 3062 that is rotatably installed in the limiting hole 3051 on the side adjacent to the vertical connecting rod 305; multiple sets of gripping units are provided, and the multiple sets of gripping units are evenly distributed along the circumference of the vertical pressure rod 307; initially, the grippers 306 of each set of gripping units are open, and the grippers 306 of each set of gripping units are located above the horizontal pressure plate 309, and there is a gap between the lower end of the grippers 306 of each set of gripping units and the horizontal pressure plate 309 for the brush box 13 to extend into; during clamping, the lower end of the grippers 306 of each set of gripping units is located below the horizontal pressure plate 309, and a brush box clamping space is formed.

[0068] Initially, the grippers 306 of each clamping unit are in an open state, and each gripper 306 is located above the horizontal pressure plate 309. There is a gap between the lower end of the gripper 306 and the horizontal pressure plate 309, allowing the brush box to extend into it. The pressure clamping drive mechanism 5 drives the pressure clamping mechanism 3 downwards. When the horizontal pressure plate 309 contacts the top surface of the multiple brush boxes 13, the second vertical spring 308 is compressed, and the horizontal pressure plate 309 pre-presses the multiple brush boxes 13. One brush box 13 extends into the gap between the lower end of one gripper 306 and the horizontal pressure plate 309. The pressure clamping drive mechanism 5 drives the pressure clamping mechanism 3 to continue moving downwards. The first vertical spring 303 is compressed, strengthening the pressing effect of the horizontal pressure plate 309 on the multiple brush boxes 13. At the same time, the distance between the upper surface of the connecting seat 301 and the lower surface of the horizontal support plate 302 gradually decreases until the upper surface of the connecting seat 301 is in contact with the horizontal support plate 302. During this process, the mounting base 313 and the connecting seat 301 move upwards together, generating an upward displacement relative to the vertical pressure rod 307. This causes the gripper 306 to rotate around the horizontal pivot 3061 in an axial direction closer to the vertical pressure rod 307. The grippers 306 of each clamping unit are in a retracted state, thus clamping the multiple brush boxes 13. In general, the positions of the multiple brush boxes 13 are fixed by the clamping of the grippers 306 of multiple clamping units and the pressing of the horizontal pressure plate 309. After the riveting operation is completed, the pressure clamping drive mechanism 5 drives the pressure clamping mechanism 3 to move upward. The first vertical spring 303 and the second vertical spring 308 both extend and return to their original positions. The horizontal pressure plate 309 extends downward to below the lower end of the gripper 306 and returns to its original position. The gripper 306 rotates around the horizontal pivot 3061 in an axial direction away from the vertical pressure rod 307 to achieve the opening and resetting of the gripper 306 in each clamping unit. The limiting hole 3051 and the spherical protrusion 3062 work together to limit the opening range of the gripper 306.

[0069] It should be ensured that there is a gap between the vertical connecting rod 305 and the mounting base 313 to ensure that their relative movement is not interfered with.

[0070] The mounting base 313 and the connecting seat 301 can be connected by welding, bolts, etc.

[0071] Preferably, the connecting seat 301 includes a horizontal connecting plate 311 and a connecting block 312 that are arranged vertically and connected to each other; the horizontal connecting plate 311 is connected to the frame 1 through the first vertical movement guide mechanism 4; the limiting mechanism is disposed on the horizontal connecting plate 311 and located above the horizontal connecting plate 311; the horizontal support plate 302 is located above the horizontal connecting plate 311; the vertical connecting rod 305 is installed by passing through the through holes on the horizontal connecting plate 311 and the connecting block 312 in sequence, and both are slidably engaged.

[0072] The horizontal connecting plate 311 and the connecting block 312 are connected by welding, bolts, etc. The horizontal connecting plate 311 provides installation support for the limiting mechanism. The limiting mechanism has various specific implementation methods, as long as it limits the upward movement stroke of the horizontal support plate 302.

[0073] The first vertical spring 303 can be disposed between the upper surface of the horizontal connecting plate 311 and the lower surface of the horizontal support plate 302. Preferably, the horizontal connecting plate 311 is provided with a vertically arranged mounting through hole 31101, and the connecting block 312 is provided with an upward-opening mounting groove 31201. The mounting through hole 31101 and the mounting groove 31201 are coaxially arranged and connected. The first vertical spring 303 is installed in the mounting through hole 31101 and the mounting groove 31201, and the upper end of the first vertical spring 303 is located above the upper surface of the horizontal connecting plate 311. By providing the mounting through hole 31101 and the mounting groove 31201, the first vertical spring 303 is installed stably, and the sidewalls of the mounting through hole 31101 and the mounting groove 31201 can also guide the first vertical spring 303 to extend or shorten in the vertical direction.

[0074] Preferably, the system further includes a reciprocating motion guide mechanism, which includes a sliding part 3091 and a sliding groove 3101 that are in sliding engagement. The sliding part 3091 is disposed on the edge of the horizontal pressure plate 309. The bottom edge of the mounting base 313 is provided with a connecting support 310 located below it, and the sliding groove 3101 is vertically disposed on the connecting support 310. Multiple sets of the reciprocating motion guide mechanism are provided, and the multiple sets of the reciprocating motion guide mechanism are evenly distributed along the circumference of the vertical pressure rod 307. Each set of the reciprocating motion guide mechanism is arranged corresponding to a set of clamping units. By setting the sliding part 3091 and the sliding groove 3101 in sliding engagement, the reliability of the vertical movement of the horizontal pressure plate 309 is improved.

[0075] Preferably, the processing platform 2 includes a processing table 203 and a mounting table 204 arranged vertically, both horizontally. The mounting table 203 and the mounting table 204 are connected to the frame 1 via a support rod 6. The mounting table 204 has windows corresponding to those of the processing table 203. The processing through hole 202 is formed on the processing table 203, and the positioning post 201 is disposed on the upper surface of the processing table 203. The processing table 203 and the mounting table 204 are connected via a horizontal linear reciprocating motion guide mechanism 10. The mounting table 204 is equipped with a horizontal linear reciprocating motion drive mechanism 11 for driving the processing table 203 to reciprocate along a horizontal linear direction.

[0076] Mounting plate 204 provides mounting support for horizontal linear reciprocating motion drive mechanism 11. Horizontal linear reciprocating motion drive mechanism 11 drives processing plate 203 to reciprocate along a horizontal linear direction. Horizontal linear reciprocating motion guide mechanism 10 guides the reciprocating motion of processing plate 203 along a horizontal linear direction. Initially, horizontal linear reciprocating motion drive mechanism 11 drives processing plate 203 away from the riveting processing station along a horizontal linear direction. After brush holder 12 and brush box 13 are placed on processing plate 203, horizontal linear reciprocating motion drive mechanism 11 drives processing plate 203 to move along a horizontal linear direction to the riveting processing station.

[0077] The horizontal linear reciprocating motion guide mechanism 10 can be a gear and rack structure. Preferably, the horizontal linear reciprocating motion guide mechanism 10 includes a sliding seat 1002 and a slide rail 1001 that are slidably engaged. The slide rail 1001 is horizontally disposed on the upper surface of the mounting plate 204, and the sliding seat 1002 is disposed on the lower surface of the processing plate 203. Through the sliding engagement of the sliding seat 1002 and the slide rail 1001, the reciprocating motion guide of the processing plate 203 in the horizontal linear direction is realized.

[0078] The horizontal linear reciprocating motion drive mechanism 11 can be an electric push rod, a hydraulic cylinder, a pneumatic cylinder, etc. Preferably, the horizontal linear reciprocating motion drive mechanism 11 includes a drive motor 1101 and a lead screw mechanism; the drive motor 1101 is mounted on the mounting platform 204 and located below the mounting platform 204; both ends of the lead screw 1102 in the lead screw mechanism are connected to the mounting platform 204 via a rotating seat 1104 and are located below the mounting platform 204; the shaft extension end of the drive motor 1101 is connected to the lead screw 1102 in a transmission connection; the internal threaded cylinder 1103 in the lead screw mechanism is connected to the processing table 203 via a bracket 1105; the length direction of the lead screw 1102 is parallel to the length direction of the slide rail 1001. This is because the sliding seat 1002 is in sliding engagement with the slide rail 1001, the sliding seat 1002 is connected to the processing table 203, and the processing table 203 is connected to the internal threaded cylinder 1103 via the bracket 1105. Therefore, when the drive motor 1101 drives the lead screw 1102 to rotate forward or backward around its own axis, it can drive the internal thread cylinder 1103 to perform linear reciprocating motion along the length direction of the lead screw 1102, thereby driving the processing table 203 to perform linear reciprocating motion along the length direction of the lead screw 1102.

[0079] Preferably, the limiting mechanism includes two L-shaped limiting members 304, arranged in pairs. The two L-shaped limiting members 304 are located on opposite sides of the horizontal support plate 302, forming an installation space for mounting the horizontal support plate 302. Each L-shaped limiting member 304 includes a vertical plate 3041 and a limiting flange 3042 disposed at the top of the vertical plate 3041. The lower end of the vertical plate 3041 is connected to the connecting seat 301. The limiting flanges 3042 of the L-shaped limiting members 304 are arranged opposite each other and spaced apart; the connection between the pressure clamping drive mechanism 5 and the horizontal support plate 302 is located between the limiting flanges 3042 of the two L-shaped limiting members 304; the horizontal support plate 302 is movably installed in the installation space, and the limiting flanges 3042 are located above the horizontal support plate 302; the distance from the lower surface of the limiting flange 3042 to the top surface of the connecting seat 301 is greater than the thickness of the horizontal support plate 302. The vertical plate 3041 and the limiting flanges 3042 can be an integrally formed structure. Specifically, the lower end of the vertical plate 3041 is welded to the upper surface of the horizontal connecting plate 311. The limiting flanges 3042 limit the upward movement stroke of the horizontal support plate 302.

[0080] The first vertical motion guide mechanism 4 can be a gear and rack structure, a slide rail and slider structure, etc. Preferably, the first vertical motion guide mechanism 4 includes a first vertical sleeve 401 and a first vertical slide rod 402 that are slidably engaged; the first vertical sleeve 401 is disposed on the frame 1 and is fitted over the first vertical slide rod 402; the lower end of the first vertical slide rod 402 is connected to the connecting seat 301.

[0081] The second vertical motion guide mechanism 8 can be a gear and rack structure, a sliding groove and slider structure, etc. Preferably, the second vertical motion guide mechanism 8 includes a second vertical sleeve and a second vertical slide rod that are slidably engaged; the second vertical sleeve is disposed on the frame 1 and is fitted outside the second vertical slide rod; the upper end of the second vertical slide rod is connected to the ejector pin base 702 and is located below the ejector pin base 702.

[0082] Both the pressure clamping drive mechanism 5 and the lifting drive mechanism 9 can be cylinders, hydraulic cylinders, electric push rods, etc.

[0083] The specific embodiments described are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. All equivalent changes made to the structure, shape, and principle of this utility model should be included within the scope of protection of this utility model.

Claims

1. A multi-point riveting device for connecting a brush holder to multiple brush boxes, characterized in that: It includes a frame (1) and a processing platform (2); the processing platform (2) is connected to the frame (1) by a vertically arranged support rod (6), and the processing platform (2) is provided with a positioning column (201) for fixing the position of the brush holder (12); Above the processing platform (2) is a pressure clamping mechanism (3) for fixing the positions of multiple brush boxes (13). The pressure clamping mechanism (3) is connected to the frame (1) through a first up-down movement guide mechanism (4). The pressure clamping mechanism (3) presses down and clamps the brush boxes (13) through a pressure clamping drive mechanism (5) installed on the frame (1). The pressure clamping mechanism (3) is arranged corresponding to the riveting processing station and is located directly above the riveting processing station. A riveting ejector mechanism (7) is provided below the processing platform (2). The riveting ejector mechanism (7) is connected to the frame (1) through a second up-and-down motion guide mechanism (8). The riveting ejector mechanism (7) moves up and down linearly through a lifting drive mechanism (9) installed on the frame (1). The riveting ejector mechanism (7) has an upward-facing and vertically arranged riveting ejector (701), and multiple riveting ejector (701) are provided. The riveting ejector (701) is arranged corresponding to the riveting processing position. The machining platform (2) is also provided with a machining through hole (202) for the riveting pin (701) to pass through.

2. The multi-point riveting device for connecting a brush holder to multiple brush boxes as described in claim 1, characterized in that: The pressure clamping mechanism (3) includes a connecting seat (301), which is connected to the frame (1) via the first up-down movement guide mechanism (4); the connecting seat (301) is provided with a mounting base (313) located below it; it also includes a horizontal support plate (302) provided above the connecting seat (301), which is connected to the pressure clamping drive mechanism (5); a first vertical spring (303) is provided between the connecting seat (301) and the horizontal support plate (302); the connecting seat (301) is provided with a limiting mechanism for limiting the upward movement of the horizontal support plate (302); The connecting seat (301) is provided with a coaxially arranged mounting cavity (3011) and a limiting cavity (3012). The mounting base (313) is provided with a vertical mounting hole (3013). The mounting cavity (3011), the limiting cavity (3012), and the vertical mounting hole (3013) are arranged sequentially from top to bottom and are connected. The inner diameter of the mounting cavity (3011) and the vertical mounting hole (3013) is smaller than the inner diameter of the limiting cavity (3012). It also includes a vertical pressure rod (307) that is slidably installed through the vertical mounting hole (3013). The upper end of the vertical pressure rod (307) is provided with a limiting part located in the limiting cavity (3012). A second vertical spring (308) is provided between the limiting part and the top wall of the mounting cavity (3011). The lower end of the vertical pressure rod (307) is provided with a horizontal pressure plate (309) located below the mounting base (313). It also includes a clamping unit, which includes a vertical connecting rod (305) and a gripper (306); the vertical connecting rod (305) is installed and slidably engaged through the connecting seat (301), the upper end of the vertical connecting rod (305) is connected to the horizontal support plate (302), and the lower end of the vertical connecting rod (305) extends to the bottom of the connecting seat (301) and is located on the outer side of the lower end of the mounting base (313); the lower end of the vertical connecting rod (305) is provided with a limiting hole (3051) facing the mounting base (313); there is a gripper swing space between the lower end of the vertical connecting rod (305) and the lower end of the mounting base (313); The upper end of the gripper (306) is connected to the lower end of the mounting base (313) via a horizontal rotating shaft (3061) and is located in the gripper swing space. The lower end of the gripper (306) is bent toward the axis of the vertical pressure rod (307) and extends to the lower part of the mounting base (313). A spherical protrusion (3062) is rotatably mounted in the limiting hole (3051) on the side of the upper end of the gripper (306) adjacent to the vertical connecting rod (305). The clamping unit is provided in multiple sets, and the multiple sets of clamping units are evenly distributed along the circumference of the vertical pressure bar (307); Initially, the grippers (306) of each set of clamping units are open, and the grippers (306) of each set of clamping units are located above the horizontal pressure plate (309). There is a gap between the lower end of the grippers (306) of each set of clamping units and the horizontal pressure plate (309) to allow the brush box (13) to extend into. During clamping, the lower end of the grippers (306) of each set of clamping units is located below the horizontal pressure plate (309) and forms a brush box clamping space with the horizontal pressure plate (309).

3. The multi-point riveting device for connecting a brush holder to multiple brush boxes as described in claim 2, characterized in that: The connecting seat (301) includes a horizontal connecting plate (311) and a connecting block (312) that are arranged vertically and connected to each other; The horizontal connecting plate (311) is connected to the frame (1) through the first vertical movement guide mechanism (4); The limiting mechanism is disposed on the horizontal connecting plate (311) and is located above the horizontal connecting plate (311); the horizontal support plate (302) is located above the horizontal connecting plate (311); The vertical connecting rod (305) is installed by passing through the through hole on the horizontal connecting plate (311) and the through hole on the connecting block (312) in sequence, and both are slidably fitted.

4. The multi-point riveting device for connecting a brush holder to multiple brush boxes as described in claim 3, characterized in that: The horizontal connecting plate (311) is provided with a vertically arranged mounting through hole (31101), and the connecting block (312) is provided with an upward-facing mounting groove (31201). The mounting through hole (31101) and the mounting groove (31201) are arranged coaxially and connected. The first vertical spring (303) is installed in the mounting through hole (31101) and the mounting groove (31201), and the upper end of the first vertical spring (303) is located on the upper surface of the horizontal connecting plate (311).

5. The multi-point riveting device for connecting a brush holder to multiple brush boxes as described in claim 2, characterized in that: It also includes a reciprocating motion guide mechanism, which includes a sliding part (3091) and a groove (3101) that are in sliding fit. The sliding part (3091) is disposed on the edge of the horizontal pressure plate (309); The bottom edge of the mounting base (313) is provided with a connecting support (310) located below it, and the sliding groove (3101) is vertically arranged on the connecting support (310); Multiple sets of the reciprocating motion guide mechanism are provided, and the multiple sets of the reciprocating motion guide mechanism are evenly distributed along the circumference of the vertical pressure rod (307); one set of the reciprocating motion guide mechanism is arranged corresponding to one set of the clamping unit.

6. The multi-point riveting device for connecting a brush holder to a plurality of brush boxes as described in any one of claims 1-5, characterized in that: The processing platform (2) includes a processing table (203) and a mounting table (204) arranged vertically, and both the processing table (203) and the mounting table (204) are arranged horizontally. The mounting plate (204) is connected to the frame (1) by a support rod (6); the mounting plate (204) has a window that is arranged corresponding to the processing plate (203); the processing through hole (202) is opened on the processing plate (203); and the positioning post (201) is set on the upper surface of the processing plate (203). The processing table (203) and the mounting table (204) are connected by a horizontal linear reciprocating motion guide mechanism (10); the mounting table (204) is equipped with a horizontal linear reciprocating motion drive mechanism (11) for driving the processing table (203) to reciprocate along the horizontal linear direction.

7. The multi-point riveting device for connecting a brush holder to multiple brush boxes as described in claim 6, characterized in that: The horizontal linear reciprocating motion guide mechanism (10) includes a sliding seat (1002) and a slide rail (1001) that are in sliding fit; The slide rail (1001) is horizontally disposed on the upper surface of the mounting plate (204), and the sliding seat (1002) is disposed on the lower surface of the processing plate (203).

8. The multi-point riveting device for connecting a brush holder to multiple brush boxes as described in claim 7, characterized in that: The horizontal linear reciprocating motion drive mechanism (11) includes a drive motor (1101) and a lead screw mechanism; The drive motor (1101) is mounted on the mounting plate (204) and located below the mounting plate (204); both ends of the lead screw (1102) in the lead screw mechanism are connected to the mounting plate (204) through a rotating seat (1104) and located below the mounting plate (204); the shaft extension end of the drive motor (1101) is connected to the lead screw (1102) for transmission; the internal threaded cylinder (1103) in the lead screw mechanism is connected to the processing table (203) through a bracket (1105); the length direction of the lead screw (1102) is parallel to the length direction of the slide rail (1001).

9. The multi-point riveting device for connecting a brush holder to multiple brush boxes as described in claim 2, characterized in that: The limiting mechanism includes an L-shaped limiting member (304), and two L-shaped limiting members (304) are arranged in pairs. The two L-shaped limiting members (304) are located on both sides of the horizontal support plate (302) and form an installation space for installing the horizontal support plate (302). The L-shaped limiting member (304) includes a vertical plate (3041) and a limiting flange (3042) disposed on the top of the vertical plate (3041); the lower end of the vertical plate (3041) is connected to the connecting seat (301); the limiting flanges (3042) of the two L-shaped limiting members (304) are arranged opposite each other and have a gap; The connection between the pressure clamping drive mechanism (5) and the horizontal support plate (302) is located between the limiting flanges (3042) of the two L-shaped limiting members (304); The horizontal support plate (302) is movably installed in the installation space, and the limiting flange (3042) is located above the horizontal support plate (302); the distance from the lower surface of the limiting flange (3042) to the top surface of the connecting seat (301) is greater than the thickness of the horizontal support plate (302).

10. The multi-point riveting device for connecting a brush holder to multiple brush boxes as described in claim 2, characterized in that: The first vertical movement guide mechanism (4) includes a first vertical sleeve (401) and a first vertical slide rod (402) that are in sliding fit; The first vertical sleeve (401) is mounted on the frame (1) and fitted outside the first vertical slide rod (402); the lower end of the first vertical slide rod (402) is connected to the connecting seat (301).

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