Riveting die for car hub bolt

Abstract

The utility model belongs to the technical field of assembling devices, and particularly relates to a car hub bolt riveting die which comprises a lower die base and an upper die base arranged above the lower die base, a hub positioning base is arranged on the lower die base, a riveting device corresponding to the hub positioning base is arranged on the bottom face of the lower die base, and the riveting device is arranged on the upper die base. The hub positioning seat is of a barrel structure and is vertically arranged on the lower die holder, and vertically downward positioning holes are annularly distributed in the top end of the hub positioning seat; the riveting device comprises a stamping seat and stamping heads annularly arranged at the bottom of the stamping seat, and the stamping heads are vertically downward and correspond to the positioning holes one to one; the riveting device disclosed by the utility model can be used for punching the pressing rivet bolt on the hub at one time, so that the riveting efficiency is greatly improved; the hub positioning seat and the riveting device can be selected according to the type of a hub, and the adaptability is good.

Description

Technical Field

[0001] The utility model relates to a wheel hub assembly device, in particular to a car wheel hub bolt riveting die. Background Art

[0002] Hub bolts are high-strength bolts that connect the vehicle hub. They are mainly used to connect the wheel and the hub. Hub bolts are generally made of self-clinching bolts. During assembly, the self-clinching bolts are placed in the mounting holes of the hub and are stamped by riveting equipment.

[0003] Chinese patent CN202122757577.5 discloses a hub cover rivet device, which adopts a placement mechanism and a hydraulic mechanism to complete the riveting operation on the hub cover. However, the device has the following defects: 1. When riveting, the device needs to rotate the hub cover, and the hydraulic mechanism punches the rivets thereon one by one in turn, so the riveting efficiency is low; 2. The riveting point of the device is fixed and cannot be adjusted in position, so it cannot be applied to the riveting operation of hub covers of various specifications. Utility Model Content

[0004] The utility model aims to provide a car wheel hub bolt riveting die with high riveting efficiency and good adaptability in view of the problems existing in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a car wheel hub bolt riveting die, comprising a lower die seat, an upper die seat arranged above the lower die seat, a wheel hub positioning seat is arranged on the lower die seat, a riveting device corresponding to the wheel hub positioning seat is arranged on the bottom surface of the lower die seat, the wheel hub positioning seat is a cylindrical structure, the wheel hub positioning seat is vertically arranged on the lower die seat, and the top of the wheel hub positioning seat is annularly arranged with vertically downward positioning holes; the riveting device comprises a stamping seat, a stamping head arranged in a ring at the bottom of the stamping seat, the stamping head is vertically downward and corresponds to the positioning holes one by one;

[0006] Furthermore, the lower die seat is provided with a first mounting groove adapted to the wheel hub positioning seat, and the bottom end of the wheel hub positioning seat is sleeved in the first mounting groove; the bottom end of the upper die seat is provided with a second mounting groove adapted to the stamping seat, and the stamping seat is arranged in the second mounting groove; the wheel hub positioning seat and the first mounting groove, and the stamping seat and the second mounting groove are connected by detachable fixing bolts; the wheel hub positioning seat, the stamping seat and the stamping head can be rotated according to the model of the wheel hub;

[0007] Furthermore, a guide rod is vertically arranged on the edge of the lower die seat, and a guide hole corresponding to the guide rod is arranged on the upper die seat, and the guide rod extends into the guide hole to play a guiding effect;

[0008] Furthermore, an elastic gasket is provided between the punching seat and the upper die seat to provide a buffering effect.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0010] 1. The riveting device of the utility model can punch the rivet bolts on the wheel hub at one time, greatly improving the riveting efficiency;

[0011] 2. The wheel hub locating seat and the riveting device of the utility model can be selected according to the model of the wheel hub, and have good adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 for Figure 1 AA direction schematic diagram;

[0014] Figure 3 for Figure 1 BB direction schematic diagram.

[0015] In the figure: 1. Lower die seat; 2. Upper die seat; 3. Hub positioning seat; 4. Riveting device; 5. Positioning hole; 6. Punching seat; 7. Punching head; 8. First mounting slot; 9. Second mounting slot; 10. Fixing bolt; 11. Guide rod; 12. Guide hole; 13. Elastic gasket; 14. Hub body; 15. Threaded hole; 16. Riveting bolt. DETAILED DESCRIPTION

[0016] See also Figures 1 to 3 A car wheel hub bolt riveting die comprises a lower die seat 1, an upper die seat 2 arranged above the lower die seat 1, a wheel hub positioning seat 3 is arranged on the lower die seat 1, a riveting device 4 corresponding to the wheel hub positioning seat 3 is arranged on the bottom surface of the lower die seat 1, the wheel hub positioning seat 3 is a cylindrical structure, the wheel hub positioning seat 3 is vertically arranged on the lower die seat 1, and the top of the wheel hub positioning seat 3 is annularly arranged with vertically downward positioning holes 5; the riveting device 4 comprises a punching seat 6, a punching head 7 arranged in a ring at the bottom of the punching seat 6, and the punching head 7 is vertically downward and corresponds to the positioning holes 5 one by one;

[0017] The lower die seat 1 is provided with a first mounting groove 8 adapted to the wheel hub positioning seat 3, and the bottom end of the wheel hub positioning seat 3 is sleeved in the first mounting groove 8; the bottom end of the upper die seat 2 is provided with a second mounting groove 9 adapted to the stamping seat 6, and the stamping seat 6 is arranged in the second mounting groove 9; the wheel hub positioning seat 3 and the first mounting groove 8, and the stamping seat 6 and the second mounting groove 9 are connected by detachable fixing bolts 10;

[0018] A guide rod 11 is vertically arranged on the edge of the lower die base 1, and a guide hole 12 corresponding to the guide rod 11 is arranged on the upper die base 2, and the guide rod 11 extends into the guide hole 12;

[0019] An elastic gasket 13 is provided between the punching seat 6 and the upper die seat 2 .

[0020] The specific working process of using the device of the utility model to stamp and assemble the hub body 14 with the rivet bolts 16 is as follows:

[0021] First, fix the lower die seat 1 on the workbench of the die pressing machine, and fix the upper die seat 2 on the driving seat of the die pressing machine; select the appropriate wheel hub positioning seat 3 and riveting device 4 according to the model of the assembled wheel hub, place the wheel hub positioning seat 3 in the first installation groove 8, and fix it with the fixing bolt 10, and fix the riveting device 4 in the second installation groove 9 through the fixing bolt 10; place the wheel hub body 14 to be assembled on the top of the wheel hub positioning seat 3, so that the threaded hole 15 on the wheel hub body 14 is aligned with the positioning hole 5 and the punch head 7 on the wheel hub positioning seat 3, and on the same axis, the rivet bolts 16 pass through the hand-threaded holes 15 one by one and extend into the positioning holes 5, and the positioning holes 5 position the rivet bolts 16; start the die pressing machine, the upper die seat 2 drives the riveting device 4 to move downward, and the bolt heads of the rivet bolts 16 on the wheel hub body 14 of the punch head 7 are tightly pressed into the threaded holes 15;

[0022] The utility model provides an elastic gasket 13 between the punching seat 6 and the upper die seat 2. The elasticity of the elastic gasket 13 adjusts the height of the punching head 7 so that the bottom end of the punching head 7 fits tightly with the top end of the rivet bolt 16, thereby ensuring the riveting quality of the rivet bolt 16.

[0023] In the process of the upper die seat 2 of the utility model moving up and down, the upper die seat 2 can perform accurate and stable stamping through the guiding and limiting functions of the guide rod 11.

[0024] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A car wheel hub bolt riveting die, comprising a lower die seat (1), an upper die seat (2) arranged above the lower die seat (1), a wheel hub positioning seat (3) arranged on the lower die seat (1), and a riveting device (4) corresponding to the wheel hub positioning seat (3) arranged on the bottom surface of the lower die seat (1), characterized in that: The wheel hub positioning seat (3) is a cylindrical structure, the wheel hub positioning seat (3) is vertically arranged on the lower die seat (1), and the top of the wheel hub positioning seat (3) is provided with positioning holes (5) arranged in a ring shape and pointing vertically downward; the riveting device (4) comprises a punching seat (6), and a punching head (7) arranged in a ring shape at the bottom of the punching seat (6), the punching head (7) pointing vertically downward and corresponding one by one to the positioning holes (5).

2. A car wheel hub bolt riveting die according to claim 1, characterized in that: The lower die seat (1) is provided with a first mounting groove (8) adapted to the wheel hub positioning seat (3), and the bottom end of the wheel hub positioning seat (3) is sleeved in the first mounting groove (8); the bottom end of the upper die seat (2) is provided with a second mounting groove (9) adapted to the punching seat (6), and the punching seat (6) is arranged in the second mounting groove (9); the wheel hub positioning seat (3) and the first mounting groove (8), and the punching seat (6) and the second mounting groove (9) are connected via detachable fixing bolts (10).

3. A car wheel hub bolt riveting die according to claim 1 or 2, characterized in that: A guide rod (11) is vertically arranged on the edge of the lower die seat (1), and a guide hole (12) corresponding to the guide rod (11) is arranged on the upper die seat (2), and the guide rod (11) extends into the guide hole (12).

4. The car wheel hub bolt riveting die according to claim 1, characterized in that: An elastic gasket (13) is provided between the punching seat (6) and the upper die seat (2).

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