Servo spin riveting press-fitting equipment

Abstract

The utility model discloses servo spin riveting press-fitting equipment which comprises a rack, and a clamping device, a wax spraying device and a spin riveting device are arranged on the rack. The clamping device comprises a workbench fixedly arranged in the middle of the rack, and a clamp used for clamping and positioning a workpiece is detachably arranged on the workbench. The wax spraying device comprises a rotary air cylinder arranged in the middle of the rack, a vertical rotating column is arranged at the output end of the rotary air cylinder, a suspension arm is arranged on the rotating column, a spray gun is arranged at the free end of the suspension arm, and the spray gun is communicated with a wax box fixedly arranged on a mounting frame on the inner side of the rack through a pipeline. According to the automatic wax spraying and pressing device, automatic wax spraying and lubrication of the product to be assembled can be completed, the product is automatically pre-pressed and then subjected to spin riveting and pressing, damage to the product in the assembling process is effectively reduced, it can be guaranteed that the matching relation of assembled parts is firm and reliable, and the product quality and the assembling efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of press-fitting equipment, in particular to a servo riveting press-fitting equipment. Background Art

[0002] The press machine is a new type of mechatronic precision machine tool, which is widely used for the press-fitting and assembly of various parts and components, such as the stamping, molding and pressure assembly of metal and non-metal parts. When in use, the corresponding driving mechanism drives the vertical movement of the pressure head to realize the press-fit assembly of the workpiece. However, at present, for some flexible parts, such as the assembly of automobile bushings and the installation directly using the press machine, the pressure head acts on the workpiece surface with rigid contact, which easily causes damage to the workpiece surface, and there are problems such as loose assembly of parts and low assembly efficiency. Therefore, a servo riveting press equipment is developed. Utility Model Content

[0003] The utility model aims to provide a servo riveting press device to solve the technical problems mentioned in the above background technology.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The utility model discloses a servo riveting press-fitting device, which comprises a frame. A clamping device, a wax spraying device and a riveting device are arranged on the frame.

[0006] The clamping device comprises a workbench fixedly arranged in the middle of the frame, and a fixture for clamping and positioning the workpiece is detachably arranged on the workbench.

[0007] The wax spraying device includes a rotary cylinder arranged in the middle of the frame, a vertical rotating column is arranged at the output end of the rotary cylinder, a hanging arm is arranged on the rotating column, a spray gun is arranged at the free end of the hanging arm, and the spray gun is connected with a wax box fixed on a mounting frame inside the frame through a pipeline.

[0008] The rotary riveting device includes a servo electric cylinder fixedly arranged on the upper part of the top plate of the mounting frame, the telescopic end of the servo electric cylinder is fixedly connected to one end of the upper part of the mounting seat slidably arranged on the front side of the mounting frame, an axle seat box is fixedly arranged at the bottom of the mounting seat, a main rotating shaft is rotatably arranged on the axle seat box, and a servo motor for driving the main rotating shaft to rotate is arranged at the other end of the upper part of the mounting seat; a main rotating head is fixedly sleeved on the part of the main rotating shaft near the lower end, a pre-pressing shaft is telescopically arranged between the bottom of the main rotating head and the lower end of the main rotating shaft, and a pre-pressing head is rotatably arranged at the bottom of the pre-pressing shaft; a plurality of rivet cutter fixing seats are evenly arranged on the outer periphery of the main rotating head along the circumferential direction, and a rivet cutter wheel is rotatably arranged at the lower end of each of the rivet cutter fixing seats.

[0009] Furthermore, the free end of the driving shaft of the servo motor extends to the bottom of the mounting seat and is provided with a driving pulley, and the upper end of the main shaft is provided with a driven pulley, and the driving pulley and the driven pulley are connected by a synchronous belt transmission.

[0010] Furthermore, a slide plate is fixedly provided on one side of the axle seat box close to the mounting frame, and two first sliding blocks are symmetrically fixedly provided on the slide plate, and the two first sliding blocks are respectively slidably matched with first slide rails fixedly provided on the mounting frame.

[0011] Furthermore, the upper end of the pre-compression shaft is located inside the main rotating head, and a spring assembly is arranged between the upper end of the pre-compression shaft and the lower end of the main rotating shaft.

[0012] Furthermore, a pre-pressing rotating head is rotatably provided at the bottom of the pre-pressing shaft, and the pre-pressing head is arranged at the bottom of the pre-pressing rotating head.

[0013] Furthermore, it also includes a protection device, which includes a protection cover slidably arranged on the outside of the axle seat box, and a vertical driving cylinder is fixedly arranged on the side end of the mounting seat, and the telescopic end of the driving cylinder is fixedly connected to the protection cover.

[0014] Furthermore, two connecting plates are fixedly provided at the upper and lower ends of the inner side of the protective cover respectively, the telescopic end of the driving cylinder is fixedly connected to the middle part of the connecting plate located at the bottom of the protective cover, and two second slide rails are symmetrically fixedly provided between the two ends of the two connecting plates, and the two second slide rails are respectively slidably matched with two second sliders fixedly provided on the outside of the axle seat box.

[0015] Compared with the prior art, the beneficial technical effects of the utility model are:

[0016] The new implementation can automatically spray wax and lubricate the product to be assembled, and automatically pre-press the product before riveting and pressing it, which effectively reduces the damage to the product during the assembly process, and can ensure that the matching relationship of the parts after assembly is tight and reliable, thereby improving product quality and assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model will be further described below in conjunction with the accompanying drawings.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 The structure of the wax spraying device of the utility model is schematically shown;

[0020] Figure 3 This is a schematic diagram of the external structure of the rotary riveting device of the utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of the rotating device of the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the protection device of the utility model;

[0023] Explanation of the accompanying drawings: 1. frame; 2. workbench; 3. fixture; 4. rotary cylinder; 5. rotating column; 6. boom; 7. spray gun; 8. mounting frame; 9. wax box; 10. servo electric cylinder; 11. mounting seat; 12. shaft seat box; 13. slide plate; 14. first slide block; 15. main rotating shaft; 16. servo motor; 17. driving pulley; 18. driven pulley; 19. synchronous belt; 20. main rotating head; 21. pre-pressing shaft; 22. spring assembly; 23. pre-pressing head; 24. pre-pressing rotating head; 25. protective cover; 26. driving cylinder; 27. connecting plate; 28. second slide rail; 29. ​​second slide block; 30. rivet cutter fixing seat; 31. rivet cutter wheel; 32. first slide rail. DETAILED DESCRIPTION

[0024] like Figure 1-Figure 5 As shown, a servo riveting press equipment comprises a frame 1, on which a clamping device, a wax spraying device and a riveting device are arranged.

[0025] The clamping device includes a workbench 2 fixedly installed in the middle of the frame 1, and a fixture 3 for clamping and positioning the workpiece is detachably installed on the workbench 2. Different fixtures 3 can be installed on the workbench 2 according to different workpieces, so that the equipment can meet the assembly requirements for different workpieces.

[0026] The wax spraying device includes a rotary cylinder 4 installed in the middle of the frame 1 and located outside the workbench 2, a vertical rotating column 5 is installed at the output end of the rotary cylinder 4, a hanging arm 6 is installed on the rotating column 5, a spray gun 7 is installed at the free end of the hanging arm 6, and the spray gun 7 is connected to a wax box 9 on a mounting frame 8 fixedly installed on the inner side of the frame 1 through corresponding pipelines.

[0027] The rotary riveting device includes a servo electric cylinder 10 fixedly mounted on the upper part of the top plate of the mounting frame 8, and the telescopic end of the servo electric cylinder 10 is fixedly connected to the upper end of the mounting seat 11 slidably mounted on the front side of the mounting frame 8. An axle seat box 12 is fixedly mounted on the bottom of the mounting seat 11, and a slide plate 13 is fixedly mounted on the side of the axle seat box 12 close to the mounting frame 8. Two first slide blocks 14 are symmetrically fixedly mounted on the slide plate 13, and the two first slide blocks 14 are respectively slidably matched with the first slide rails 32 fixedly mounted on the mounting frame 8.

[0028] The shaft housing 12 is rotatably mounted with a main shaft 15, and the other end of the upper portion of the mounting seat 11 is mounted with a servo motor 16 for driving the main shaft 15 to rotate. In this embodiment, the free end of the drive shaft of the servo motor 16 extends to the bottom of the mounting seat 11 and is mounted with a driving pulley 17, and the upper end of the main shaft 15 is mounted with a driven pulley 18, and the driving pulley 17 and the driven pulley 18 are connected by a synchronous belt 19.

[0029] A main rotating head 20 is fixedly sleeved near the lower end of the main rotating shaft 15, and a pre-stressing shaft 21 is telescopically installed between the bottom of the main rotating head 20 and the lower end of the main rotating shaft 15. The upper end of the pre-stressing shaft 21 is located inside the main rotating head 20, and a spring assembly 22 is connected to the lower end of the main rotating shaft 15. In this embodiment, the pre-stressing shaft 21 is telescopically matched with the main rotating head 20 through the spring assembly 22. In addition, the pre-stressing shaft 21 and the main rotating head can also be telescopically matched by pneumatic or electric means, which is not specifically limited in this specification.

[0030] A pre-pressing head 23 is rotatably mounted at the bottom of the pre-pressing shaft 21. Specifically, a pre-pressing rotating head 24 is rotatably mounted at the bottom of the pre-pressing shaft 23. The pre-pressing head 23 is mounted at the bottom of the pre-pressing rotating head 24. A plurality of rivet cutter fixing seats 30 are evenly arranged along the circumferential direction on the outer periphery of the main rotating head 20. A rivet cutter wheel 31 is rotatably mounted at the lower end of each rivet cutter fixing seat 30.

[0031] In addition, the utility model also includes a protection device, which includes a protection cover 25 slidably mounted on the outside of the axle seat box 12, and a vertical driving cylinder 26 is fixedly mounted on the side end of the mounting seat 11, and the telescopic end of the driving cylinder 26 is fixedly connected to the protection cover 25. Specifically: two connecting plates 27 are fixedly arranged at the upper and lower ends of the inner side of the protection cover 25, respectively, and the telescopic end of the driving cylinder 26 is fixedly connected to the middle of the connecting plate 27 located at the bottom of the protection cover 25, and two second slide rails 28 are symmetrically fixedly mounted between the two ends of the two connecting plates 27, and the two second slide rails 28 are respectively slidably matched with two second sliders 29 fixedly mounted on the outside of the axle seat box 12.

[0032] The working process of the utility model is as follows:

[0033] First, place the product to be assembled on the fixture, and clamp and fix the workpiece by the fixture. Then, through the start button on the frame, the rotary cylinder of the wax spraying device is activated first. Under the action of the rotary cylinder, the spray gun rotates to the position of the product, and automatically sprays wax on the surface of the product to be pressed, so as to lubricate the contact part between the subsequent workpiece and the riveting wheel to avoid wear on the workpiece surface during riveting. After that, the wax spraying device automatically resets, and the servo electric cylinder of the riveting device drives the entire mounting seat to move downward. First, the pre-pressing head at the bottom contacts the top of the product to pre-press the product. At the same time, the driving cylinder of the protection device drives the protective cover to move downward to protect the working area. Then, the servo motor drives the main shaft and the main rotating head to rotate, and multiple riveting wheels gradually complete the riveting and pressing of the product during the rotation process. After reaching the set value, the servo motor stops rotating, and the servo electric cylinder and the driving cylinder return to reset. In this cycle, the batch automatic spinning and pressing of the product can be completed.

[0034] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A servo riveting press equipment, characterized in that: It comprises a frame, on which a clamping device, a wax spraying device and a riveting device are arranged; The clamping device comprises a workbench fixedly arranged in the middle of the frame, and a fixture for clamping and positioning the workpiece is detachably arranged on the workbench; The wax spraying device comprises a rotary cylinder arranged in the middle of the frame, a vertical rotating column is arranged at the output end of the rotary cylinder, a suspension arm is arranged on the rotating column, a spray gun is arranged at the free end of the suspension arm, and the spray gun is connected to a wax box fixedly arranged on a mounting frame inside the frame through a pipeline; The rotary riveting device includes a servo electric cylinder fixedly arranged on the upper part of the top plate of the mounting frame, the telescopic end of the servo electric cylinder is fixedly connected to one end of the upper part of the mounting seat slidably arranged on the front side of the mounting frame, an axle seat box is fixedly arranged at the bottom of the mounting seat, a main rotating shaft is rotatably arranged on the axle seat box, and a servo motor for driving the main rotating shaft to rotate is arranged at the other end of the upper part of the mounting seat; a main rotating head is fixedly sleeved on the part of the main rotating shaft near the lower end, a pre-pressing shaft is telescopically arranged between the bottom of the main rotating head and the lower end of the main rotating shaft, and a pre-pressing head is rotatably arranged at the bottom of the pre-pressing shaft; a plurality of rivet cutter fixing seats are evenly arranged on the outer periphery of the main rotating head along the circumferential direction, and a rivet cutter wheel is rotatably arranged at the lower end of each of the rivet cutter fixing seats.

2. The servo riveting press equipment according to claim 1 is characterized in that: The free end of the driving shaft of the servo motor extends to the bottom of the mounting seat and is provided with a driving pulley, and the upper end of the main shaft is provided with a driven pulley, and the driving pulley and the driven pulley are connected through a synchronous belt transmission.

3. The servo riveting press equipment according to claim 1 is characterized in that: A slide plate is fixedly arranged on one side of the axle seat box close to the mounting frame, and two first sliding blocks are symmetrically fixedly arranged on the slide plate. The two first sliding blocks are respectively slidably matched with first slide rails fixedly arranged on the mounting frame.

4. The servo riveting press equipment according to claim 1, characterized in that: The upper end of the pre-compression shaft is located inside the main rotating head, and a spring assembly is arranged between the upper end of the pre-compression shaft and the lower end of the main rotating shaft.

5. The servo riveting press equipment according to claim 1, characterized in that: A pre-pressing rotating head is rotatably arranged at the bottom of the pre-pressing shaft, and the pre-pressing head is arranged at the bottom of the pre-pressing rotating head.

6. The servo riveting press equipment according to claim 1, characterized in that: It also includes a protection device, which includes a protection cover slidably arranged outside the axle seat box, a vertical driving cylinder is fixedly arranged on the side end of the mounting seat, and the telescopic end of the driving cylinder is fixedly connected to the protection cover.

7. The servo riveting press equipment according to claim 6, characterized in that: Two connecting plates are fixedly provided at the upper and lower ends of the inner side of the protective cover respectively, the telescopic end of the driving cylinder is fixedly connected to the middle part of the connecting plate located at the bottom of the protective cover, and two second slide rails are symmetrically fixedly provided between the two ends of the two connecting plates, and the two second slide rails are respectively slidably matched with two second sliders fixedly provided on the outside of the axle seat box.

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