Rivet pressing device for case machining

Abstract

The rivet pressing device comprises a workbench, an open groove is formed in the inner top wall of the workbench, fixing plates are fixedly connected to the front side and the rear side of the inner top wall of the workbench, a second motor is fixedly connected to one side of the fixing plate on one side, and a screw rod is fixedly connected to the driving end of the second motor; one end of the screw rod is rotatably connected to one side of the fixed plate, the outer side of the screw rod is in threaded connection with a moving block, one end of the moving block penetrates through the open groove to be fixedly connected with an electric guide rail, a sliding block is fixedly connected into the electric guide rail, a sleeve is fixedly connected to the top end of the sliding block, and an ejector rod is slidably connected into the sleeve; one end of the ejector rod is fixedly connected with a shell, and a clamping unit used for fixing a case metal plate is installed in the shell. The first motor is used for driving parts in the clamping unit to operate so as to clamp workpieces, and therefore the situation that the workpieces incline accidentally in the machining process is avoided.

Description

Technical Field

[0001] This invention relates to the field of riveting devices, and more particularly to a riveting device for chassis machining. Background Technology

[0002] A computer case is the outer shell of computer hardware. Its main function is to house and secure components such as the motherboard, power supply, graphics card, and hard drive, providing support and protection. It also has the important function of shielding electromagnetic radiation. During the manufacturing process, the case needs to be riveted to firmly press fasteners such as rivet nuts, rivet screws, or rivet studs onto the case material, forming a reliable internal thread structure. A riveting device is required for riveting the case.

[0003] A riveting device is a piece of equipment that uses pressure to plastically deform rivets or rivet nuts, thereby achieving a fastening connection between parts. It mainly consists of a body, riveting base, lower riveting rod, power unit, and upper riveting rod. When riveting chassis panels, the operator typically places the panel on the top of the lower riveting rod, places the fasteners on the panel, and then the power unit drives the upper riveting rod downwards to rivet the panel.

[0004] However, this manual handling of chassis panels can easily cause the panels to tilt due to various accidents, which in turn affects the riveting effect. Summary of the Invention

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a riveting device for chassis processing. This addresses the problem that when manually handling chassis panels for riveting, accidental tilting can easily occur, affecting the riveting effect.

[0006] A riveting device for chassis processing includes a worktable with a slot in its inner top wall. Fixed plates are fixedly connected to both the front and rear sides of the inner top wall. A second motor is fixedly connected to one side of one of the fixed plates. A screw is fixedly connected to the drive end of the second motor. One end of the screw is rotatably connected to one side of the fixed plate. A movable block is threadedly connected to the outer side of the screw. An electric guide rail is fixedly connected to one end of the movable block through the slot. A slider is fixedly connected inside the electric guide rail. A sleeve is fixedly connected to the top of the slider. A push rod is slidably connected inside the sleeve. A housing is fixedly connected to one end of the push rod. A clamping unit for fixing the chassis sheet metal is installed inside the housing. A rotating unit for rotating the clamping unit is installed on one side of the inner wall of the housing.

[0007] Preferably, the clamping unit includes a connecting rod rotatably connected to the front end of the inner sidewall of the housing. A rack is sleeved on the outer side of the connecting rod. One end of the connecting rod passes through the sidewall of the housing and is fixedly connected to a fixing seat. A double-ended lead screw is rotatably connected inside the fixing seat. Both ends of the double-ended lead screw are threadedly connected to clamping rods. One end of each clamping rod passes through the rear end of the inner sidewall of the fixing seat. A gear is fixedly connected to the outer side of the middle of the double-ended lead screw. One side of the gear is meshed with one end of the rack, thereby driving the clamping rods to move through the rack.

[0008] Preferably, the clamping unit further includes a motor and a side plate. The motor is fixedly connected to one side of the inner wall of the housing. A rotating shaft is fixedly connected to the drive end of the motor. One end of the rotating shaft is fixedly connected to the rear end of the inner wall of the housing. A worm gear is rotatably connected to the outer side of the middle of the rotating shaft. Multiple evenly distributed limiting grooves are formed on the inner wall of the worm gear. A groove is formed on the outer side of the middle of the rotating shaft. A spring is fixedly connected inside the groove. A limiting block is fixedly connected to one end of the spring. One end of the limiting block is inserted into the limiting groove. A groove is formed near the end of the rotating shaft close to the motor. The side plate is fixedly connected to the top wall of the housing. A rotating rod is rotatably connected to one end of the side plate. A worm wheel is fixedly connected to one end of the rotating rod. A gear is fixedly connected to the other end of the rotating rod. One side of the worm wheel meshes with one side of the worm gear. One side of the gear meshes with one end of the rack. The coordinated operation of the motor, worm gear, worm wheel, and gear achieves the effect of pushing the rack to move.

[0009] Preferably, the rotating unit includes a second spring and a fourth gear. The fourth gear is rotatably connected to the outer side of the end of the rotating shaft near the first motor. The inner sidewall of the fourth gear is fixedly connected with a plurality of evenly distributed second limiting grooves. The second spring is fixedly connected to the inner sidewall of the second groove. One end of the second spring is fixedly connected to a second limiting block. One end of the second limiting block is inserted into the second limiting groove. A third gear is meshed on one side of the fourth gear. The third gear is fixedly connected to the outer side of one end of the connecting rod. The rotating unit achieves the effect of rotating the clamping unit.

[0010] Preferably, a cylinder is fixedly connected inside the sleeve, and the driving end of the cylinder is fixedly connected to the bottom end of the push rod. The cylinder is used to push the push rod to move the outer shell upward.

[0011] Preferably, a rivet base is fixedly connected to the top of the workbench, and a through hole is opened on one side of the top of the rivet base. A bolt is threaded inside the through hole, and a lower rivet rod is fixedly connected to the top of the bolt. The lower rivet rod is fixed by the bolt.

[0012] Preferably, a support rod is fixedly connected to one side of the top of the workbench, a power box is fixedly connected to one side of the support rod, a hydraulic push rod is fixedly connected to the bottom wall of the power box, a pipe is connected to one side of the hydraulic push rod, one end of the pipe passes through the inner wall of the power box and connects to an oil tank, a hydraulic pump is connected to the outer side of the middle of the pipe, and a mounting base is fixedly connected to the output end of the hydraulic push rod through the inner bottom wall of the power box. An upper rivet rod is inserted into the mounting base, and the hydraulic push rod is used to push the upper rivet rod downward.

[0013] Preferably, a fixing hole is provided at one end of the upper rivet rod, and a screw is threaded into the fixing hole. One end of the screw penetrates the inner sidewall of the mounting base, thereby fixing the upper rivet rod.

[0014] Preferably, an installation groove is provided on one side of the oil tank, and a placement plate is rotatably connected inside the installation groove. Multiple evenly distributed placement grooves are provided on one side of the placement plate, so as to achieve the effect of storing the upper and lower rivet rods.

[0015] In summary, the present invention has the following beneficial effects: This invention uses a motor inside the clamping unit to drive a rotating shaft that rotates a worm gear. The worm gear and gear 2 work together to move a rack and drive a double-ended lead screw to rotate, which in turn moves two clamping rods to clamp the workpiece, thus preventing the workpiece from tilting accidentally during processing.

[0016] This invention enables gear four to drive gear three to rotate through the cooperation of motor one and rotating shaft, and gear three drives connecting rod to rotate. When the connecting rod rotates, it drives the fixed seat and clamping rod to rotate, thereby adjusting the angle of the workpiece. At the same time, it can flip the workpiece to achieve multi-face processing. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of a riveting device for chassis processing according to the present invention; Figure 2 This is a cross-sectional view of the housing of a riveting device for chassis processing according to the present invention; Figure 3 for Figure 2 Enlarged view of point A in the middle; Figure 4 This is a cross-sectional view of gear four in a riveting device for chassis processing according to the present invention; Figure 5 This is a cross-sectional view of a worm gear in a riveting device for chassis processing according to the present invention; Figure 6 This is a cross-sectional view of a riveting device mounting base for chassis processing according to the present invention; Figure 7This is a cross-sectional view of a riveting device sleeve for chassis processing according to the present invention; Figure 8 This is a cross-sectional view of a riveting device worktable for chassis processing according to the present invention. Figure 9 This is a schematic diagram of the rivet base and related parts of a riveting device for chassis processing according to the present invention; Figure 10 This is a cross-sectional view of a power box for a riveting device used in chassis processing according to the present invention; Figure 11 This is a cross-sectional view of a riveting device mounting base for chassis processing according to the present invention; Figure 12 This is a cross-sectional view of the oil tank of a riveting device for chassis processing according to the present invention.

[0018] Explanation of reference numerals in the attached figures: 1. Workbench; 2. Housing; 3. Support rod; 4. Power box; 5. Mounting base; 6. Upper riveting rod; 7. Oil tank; 8. Placement plate; 9. Riveting seat; 10. Sleeve; 11. Electric guide rail; 12. Placement slot; 13. Clamping unit; 1301. Motor 1; 1302. Rotating shaft; 1303. Worm gear; 1304. Double-ended lead screw; 1305. Gear 1; 1306. Clamping rod; 1307. Fixed base; 1308. Rack; 1309. Connecting rod; 1310. Groove 1; 1311. Spring 1; 1312. Limiting block 1; 1313. Limiting groove 1; 1314. Worm gear 1315. Wheel; 1316. Side plate; 1317. Rotating rod; 1318. Gear II; 14. Groove II; 15. Rotating unit; 16. Gear III; 17. Gear IV; 18. Limiting groove II; 19. Limiting block II; 20. Spring II; 21. Top rod; 22. Cylinder; 23. Fixing plate; 24. Screw; 25. Slider; 26. Lower rivet rod; 27. Hydraulic push rod; 28. Fixing hole; 29. ​​Mounting groove; 30. Pipeline; 31. Liquid pump. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Example

[0020] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 and Figure 12 As shown, the present invention provides a technical solution: a riveting device for chassis processing, including a workbench 1, a slot 21 is provided in the inner top wall of the workbench 1, and fixed plates 17 are fixedly connected to both the front and rear sides of the inner top wall of the workbench 1. A motor 19 is fixedly connected to one side of one fixed plate 17, and a screw 18 is fixedly connected to the driving end of the motor 19. One end of the screw 18 is rotatably connected to one side of the fixed plate 17. A moving block 20 is threadedly connected to the outer side of the screw 18. An electric guide rail 11 is fixedly connected to one end of the moving block 20 through the slot 21. A slider 22 is fixedly connected inside the electric guide rail 11. A sleeve 10 is fixedly connected to the top of the slider 22. A top rod 15 is slidably connected inside the sleeve 10. A housing 2 is fixedly connected to one end of the top rod 15. A cylinder 16 is fixedly connected inside the sleeve 10. The driving end of the cylinder 16 is fixedly connected to the bottom end of the top rod 15.

[0021] The starting motor 19 drives the screw 18 to rotate, and the rotating screw 18 drives the moving block 20 to move inside the slot 21. When the moving block 20 moves, it will drive the electric guide rail 11 to move together, and the electric guide rail 11 drives the slider 22 to move the sleeve 10 and the outer shell 2. At the same time, the cylinder 16 is started to push the push rod 15 to push the outer shell 2 upward. Through the above structure, the position of the outer shell 2 can be adjusted in the X, Y and Z axis directions.

[0022] The housing 2 contains a clamping unit 13 for fixing the sheet metal of the chassis. The clamping unit 13 includes a connecting rod 1309, which is rotatably connected to the front end of the inner side wall of the housing 2. A rack 1308 is sleeved on the outer side of the connecting rod 1309. The rack 1308 is a cylindrical structure with openings at both ends. One end of the connecting rod 1309 passes through the side wall of the housing 2 and is fixedly connected to a fixing seat 1307. A double-ended lead screw 1304 is rotatably connected inside the fixing seat 1307. Both ends of the double-ended lead screw 1304 are threaded. Clamping rods 1306, one end of each clamping rod 1306 penetrates the rear end of the inner wall of the fixing base 1307. A gear 1305 is fixedly connected to the outer side of the middle of the double-ended lead screw 1304. One side of the gear 1305 is meshed with one end of the rack 1308. The clamping unit 13 also includes a motor 1301 and a side plate 1315. The motor 1301 is fixedly connected to one side of the inner wall of the housing 2. A rotating shaft 1302 is fixedly connected to the drive end of the motor 1301. One end of the rotating shaft 1302 is fixedly connected to the housing 2. At the rear end of the inner wall, a worm gear 1303 is rotatably connected to the outer side of the middle of the rotating shaft 1302. Multiple evenly distributed limiting grooves 1313 are formed on the inner wall of the worm gear 1303. A groove 1310 is formed on the outer side of the middle of the rotating shaft 1302. A spring 1311 is fixedly connected inside the groove 1310. One end of the spring 1311 is fixedly connected to a limiting block 1312. One end of the limiting block 1312 is inserted into the limiting groove 1313. Both the limiting groove 1313 and the limiting block 1312... Designed as a triangular structure, the rotating shaft 1302 has a groove 1318 at one end near the motor 1301. The side plate 1315 is fixedly connected to the inner top wall of the outer casing 2. A rotating rod 1316 is rotatably connected to one end of the side plate 1315. A worm gear 1314 is fixedly connected to one end of the rotating rod 1316. A gear 1317 is fixedly connected to the other end of the rotating rod 1316. One side of the worm gear 1314 is meshed with one side of the worm 1303, and one side of the gear 1317 is meshed with one end of the rack 1308.

[0023] The workpiece to be riveted is placed between the two clamping rods 1306. Then, the motor 1301 is started to drive the rotating shaft 1302 to rotate forward. When the rotating shaft 1302 rotates forward, it will drive the worm gear 1303 to rotate under the cooperation of the limiting block 1312 and the limiting groove 1313. When the worm gear 1303 rotates, it will drive the worm wheel 1314 to rotate, and drive the gear 1317 to rotate through the rotating rod 1316. When the gear 1317 rotates, it will push the rack 1308 to move. When the rack 1308 moves, it will push the gear 1305 to drive the double-ended lead screw 1304 to rotate. When the double-ended lead screw 1304 rotates, it will push the two clamping rods 1306 to move in opposite directions to clamp the workpiece.

[0024] A rotating unit 14 for rotating the clamping unit 13 is installed on one side of the inner wall of the outer casing 2. The rotating unit 14 includes a second spring 1405 and a fourth gear 1402. The fourth gear 1402 is rotatably connected to the outer side of the end of the rotating shaft 1302 near the motor 1301. Multiple evenly distributed limiting grooves 1403 are fixedly connected to the inner wall of the fourth gear 1402. The second spring 1405 is fixedly connected to the inner wall of the second groove 1318. One end of the second spring 1405 is fixedly connected to a limiting block 1404. One end of the limiting block 1404 is inserted into the limiting groove 1403. Both the limiting groove 1403 and the limiting block 1404 are triangular structures. A third gear 1401 is meshed with one side of the fourth gear 1402. The third gear 1401 is fixedly connected to the outer side of one end of the connecting rod 1309.

[0025] Motor 1301 causes shaft 1302 to rotate in the opposite direction. Since both limit groove 1403 and limit block 1404 are triangular structures, shaft 1302 will rotate in the direction perpendicular to the plane of limit block 1404 and limit groove 1403 when rotating in the opposite direction. At this time, shaft 1302 will drive gear 4 1402 to rotate. When gear 4 1402 rotates, it will drive connecting rod 1309 to rotate through gear 3 1401. When connecting rod 1309 rotates, it will drive fixed seat 1307 and clamping rod 1306 to rotate together to adjust the angle of the workpiece. Since rack 1308 is a cylindrical structure, when fixed seat 1307 rotates, gear 1305 will rotate around the outside of rack 1308 and always mesh with rack 1308.

[0026] When the rotating shaft 1302 rotates in reverse, since both the limiting groove 1313 and the limiting block 1312 are triangular structures, the rotating shaft 1302 will drive the limiting block 1312 to rotate in the direction of the inclined surface of the limiting groove 1313 and the limiting block 1312 when rotating in the reverse direction. The limiting groove 1313 will push the limiting block 1312 to retract into the groove 1310. At this time, the rotating shaft 1302 cannot drive the worm gear 1303 to rotate. However, when the rotating shaft 1302 rotates forward, it will drive the limiting block 2 1404 to rotate in the direction of the inclined surface of the limiting groove 2 1403 and the limiting block 2 1404. The limiting block 2 1404 can retract into the groove 2 1318. At this time, the rotating shaft 1302 cannot drive the gear 4 1402 to rotate.

[0027] A rivet base 9 is fixedly connected to the top of the workbench 1. A through hole 24 is opened on one side of the top of the rivet base 9. A bolt 25 is threaded inside the through hole 24. A lower rivet rod 26 is fixedly connected to the top of the bolt 25.

[0028] After inserting the bolt 25 into the through hole 24, rotate the lower rivet 26 to screw the bolt 25 into the through hole 24 to fix the lower rivet 26. Then, adjust the position of the outer shell 2 and the clamping rod 1306 by cooperating with the motor 2 19, screw 18, electric guide rail 11 and slider 22 so that the position of the workpiece to be riveted is aligned with the lower rivet 26.

[0029] A support rod 3 is fixedly connected to one side of the top of the workbench 1. A power box 4 is fixedly connected to one side of the support rod 3. A hydraulic push rod 27 is fixedly connected to the bottom wall of the power box 4. A pipe 30 is connected to one side of the hydraulic push rod 27. One end of the pipe 30 passes through the inner wall of the power box 4 and connects to an oil tank 7. A hydraulic pump 31 is connected to the outer side of the middle part of the pipe 30. A mounting base 5 is fixedly connected to the output end of the hydraulic push rod 27 through the inner bottom wall of the power box 4. An upper rivet rod 6 is inserted into the mounting base 5. A fixing hole 28 is opened at one end of the upper rivet rod 6. A screw 23 is threaded inside the fixing hole 28. One end of the screw 23 passes through the inner wall of the mounting base 5.

[0030] After inserting the upper rivet 6 into the mounting base 5, pass the screw 23 through the mounting base 5 and extend it into the fixing hole 28, and rotate the screw 23 to tighten it, thereby fixing the upper rivet 6 inside the mounting base 5. Then, place the rivet into the riveting hole on the workpiece, and then start the hydraulic pump 31 to generate suction in the pipe 30 to draw out the hydraulic oil in the oil tank 7 and use the pipe 30 to transport the hydraulic oil to the hydraulic push rod 27, so that the hydraulic push rod 27 can push the upper rivet 6 downward to rivet the workpiece below.

[0031] The oil tank 7 has an installation groove 29 on one side, and a placement plate 8 is rotatably connected inside the installation groove 29. The placement plate 8 has multiple evenly distributed placement grooves 12 on one side, and the upper rivet 6 and lower rivet 26 for replacement are placed inside the placement grooves 12.

[0032] When it is necessary to replace the upper rivet 6 and the lower rivet 26, the placement plate 8 can be rotated to pull it out from the mounting slot 29. Then, the upper rivet 6 and the lower rivet 26 to be replaced can be taken out from the placement slot 12. Then, the screw 23 can be rotated to remove the upper rivet 6 from the mounting base 5. The lower rivet 26 can be rotated to drive the bolt 25 to rotate and remove the lower rivet 26 from the rivet seat 9. The removed upper rivet 6 and the lower rivet 26 can be placed into the placement slot 12 for storage. At the same time, the placement plate 8 can be reset. The removed upper rivet 6 and the lower rivet 26 can be fixed to the mounting base 5 and the rivet seat 9 respectively.

[0033] Working principle: like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 and Figure 12 As shown, a riveting device for chassis processing, in use, places the workpiece to be riveted between two clamping rods 1306, starts the motor 1301 to drive the rotating shaft 1302 to rotate forward, and pushes the rack 1308 to move under the cooperation of the worm gear 1303, worm wheel 1314, rotating rod 1316 and gear 1317. When the rack 1308 moves, it pushes the gear 1305 to drive the double-ended lead screw 1304 to rotate. When the double-ended lead screw 1304 rotates, it pushes the two clamping rods 1306 to move in opposite directions to clamp the workpiece. At the same time, the motor 1301 causes the rotating shaft 1302 to rotate in the opposite direction, driving the gear 1402 to rotate. During the rotation of the gear 1402, the connecting rod 1309 is driven by the cooperation of the gear 3 1401. The fixed seat 1307 and the clamping rod 1306 rotate together to adjust the angle of the workpiece so that the riveting point of the workpiece is perpendicular to the upper riveting rod 6 and the lower riveting rod 26. At the same time, the workpiece can be flipped to achieve multi-face processing. Simultaneously, the motor 19 is started to drive the screw 18 to rotate, which drives the moving block 20 and the electric guide rail 11 to move. The electric guide rail 11 drives the slider 22 to move the sleeve 10 and the outer shell 2, thereby adjusting the position of the workpiece so that the riveting point on the workpiece is aligned with the upper riveting rod 6 and the lower riveting rod 26. Then, the hydraulic pump 31 is started to generate suction in the pipe 30 to draw out the hydraulic oil in the oil tank 7 and transport the hydraulic oil to the hydraulic push rod 27 through the pipe 30. The hydraulic push rod 27 can push the upper riveting rod 6 downward to rivet the workpiece below.

[0034] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the protection scope of the present invention.

Claims

1. A riveting device for chassis processing, comprising a worktable (1), characterized in that: The inner top wall of the workbench (1) has a slot (21). Fixed plates (17) are fixedly connected to both the front and rear sides of the inner top wall of the workbench (1). A motor (19) is fixedly connected to one side of one fixed plate (17). A screw (18) is fixedly connected to the driving end of the motor (19). One end of the screw (18) is rotatably connected to one side of the fixed plate (17). A moving block (20) is threadedly connected to the outside of the screw (18). One end of the moving block (20) passes through the slot (21). An electric guide rail (11) is fixedly connected. A slider (22) is fixedly connected inside the electric guide rail (11). A sleeve (10) is fixedly connected to the top of the slider (22). A top rod (15) is slidably connected inside the sleeve (10). A housing (2) is fixedly connected to one end of the top rod (15). A clamping unit (13) for fixing the chassis sheet metal is installed inside the housing (2). A rotating unit (14) for rotating the clamping unit (13) is installed on one side of the inner wall of the housing (2).

2. The riveting device for chassis processing according to claim 1, characterized in that: The clamping unit (13) includes a connecting rod (1309), which is rotatably connected to the front end of the inner wall of the outer shell (2). A rack (1308) is sleeved on the outer side of the connecting rod (1309). One end of the connecting rod (1309) passes through the side wall of the outer shell (2) and is fixedly connected to a fixing seat (1307). A double-ended lead screw (1304) is rotatably connected inside the fixing seat (1307). Both ends of the double-ended lead screw (1304) are threaded with clamping rods (1306). One end of each clamping rod (1306) passes through the rear end of the inner wall of the fixing seat (1307). A gear (1305) is fixedly connected to the outer side of the middle part of the double-ended lead screw (1304). One side of the gear (1305) is meshed with one end of the rack (1308).

3. The riveting device for chassis processing according to claim 2, characterized in that: The clamping unit (13) further includes a motor (1301) and a side plate (1315). The motor (1301) is fixedly connected to one side of the inner wall of the outer shell (2). The driving end of the motor (1301) is fixedly connected to a rotating shaft (1302). One end of the rotating shaft (1302) is fixedly connected to the rear end of the inner wall of the outer shell (2). A worm gear (1303) is rotatably connected to the outer side of the middle part of the rotating shaft (1302). Multiple evenly distributed limiting grooves (1313) are opened on the inner side wall of the worm gear (1303). A groove (1310) is opened on the outer side of the middle part of the rotating shaft (1302). A spring (1311) is fixedly connected inside the groove (1310). One end of the spring (1311) is fixed. A limiting block (1312) is connected, one end of which is inserted into the limiting groove (1313). A groove (1318) is provided at the end of the rotating shaft (1302) near the motor (1301). The side plate (1315) is fixedly connected to the inner top wall of the outer shell (2). A rotating rod (1316) is rotatably connected to one end of the side plate (1315). A worm gear (1314) is fixedly connected to one end of the rotating rod (1316). A gear (1317) is fixedly connected to the other end of the rotating rod (1316). One side of the worm gear (1314) is meshed with one side of the worm (1303). One side of the gear (1317) is meshed with one end of the rack (1308).

4. A riveting device for chassis processing according to claim 3, characterized in that: The rotating unit (14) includes a second spring (1405) and a fourth gear (1402). The fourth gear (1402) is rotatably connected to the outer side of the end of the rotating shaft (1302) near the motor (1301). The inner wall of the fourth gear (1402) is fixedly connected with a plurality of evenly distributed limiting grooves (1403). The second spring (1405) is fixedly connected to the inner wall of the groove (1318). One end of the second spring (1405) is fixedly connected to a limiting block (1404). One end of the limiting block (1404) is inserted into the limiting groove (1403). A third gear (1401) is meshed with one side of the fourth gear (1402). The third gear (1401) is fixedly connected to the outer side of one end of the connecting rod (1309).

5. A riveting device for chassis processing according to claim 1, characterized in that: A cylinder (16) is fixedly connected inside the sleeve (10), and the driving end of the cylinder (16) is fixedly connected to the bottom end of the top rod (15).

6. A riveting device for chassis processing according to claim 1, characterized in that: The top of the workbench (1) is fixedly connected to a rivet seat (9), and a through hole (24) is opened on one side of the top of the rivet seat (9). A bolt (25) is threaded inside the through hole (24), and a lower rivet rod (26) is fixedly connected to the top of the bolt (25).

7. A riveting device for chassis processing according to claim 1, characterized in that: A support rod (3) is fixedly connected to one side of the top of the workbench (1). A power box (4) is fixedly connected to one side of the support rod (3). A hydraulic push rod (27) is fixedly connected to the bottom wall of the power box (4). A pipe (30) is connected to one side of the hydraulic push rod (27). One end of the pipe (30) passes through the inner wall of the power box (4) and connects to an oil tank (7). A liquid pump (31) is connected to the outer side of the middle part of the pipe (30). A mounting base (5) is fixedly connected to the output end of the hydraulic push rod (27) through the inner bottom wall of the power box (4). An upper rivet rod (6) is inserted into the mounting base (5).

8. A riveting device for chassis processing according to claim 7, characterized in that: The upper rivet (6) has a fixing hole (28) at one end, and a screw (23) is threaded inside the fixing hole (28). One end of the screw (23) passes through the inner wall of the mounting base (5).

9. A riveting device for chassis processing according to claim 7, characterized in that: The oil tank (7) has an installation groove (29) on one side, and a placement plate (8) is rotatably connected inside the installation groove (29). The placement plate (8) has multiple evenly distributed placement grooves (12) on one side.

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