CN217941620U - Riveting device for double-steel-sheet spring set - Google Patents

Abstract

The utility model provides a riveting set for two steel sheet spring unit, wherein the riveting base includes that spill base one, vertical base axle and the cover of fixing in spill base one establish the base epaxial with spill base one's interior bottom surface elastic connection's thimble fixing base one, the riveting pressure head includes spill base two, vertical running through the pressure head axle of spill base two and cup joint the lower terminal of pressure head axle with spill base two's interior top surface elastic connection's thimble fixing base two, the last end of pressure head axle has cup jointed the stopper, is provided with a plurality of direction thimble and location thimble on thimble fixing base one and the thimble fixing base two respectively. The utility model discloses a riveting base and riveting pressure head are fixed a position the riveting to two upper and lower stamping workpiece simultaneously to through direction thimble and location thimble, make the stamping workpiece add the dispersion atress man-hour, and cushion through the spring, avoid the stamping workpiece to take place warpage and deformation, effectively improved spring assembly's processingquality and efficiency.

Description

Riveting device for double-steel-sheet spring set

Technical Field

The utility model relates to a spring assembly processing technology field, concretely relates to riveting set for two steel sheet spring assemblies.

Background

The double-steel-sheet spring set is a combined spring formed by riveting two steel-sheet stamping parts and a plurality of small compression springs. Because the spring group contains two stamping parts from top to bottom, the traditional riveting mode needs to rivet two stamping parts separately and can not realize automatic integrated riveting, so two sets of riveting tools are needed. Firstly, a stamping part is required to be placed on a first set of riveting table top, then a plurality of small compression springs are placed on the riveting positions of the stamping part, riveting is achieved through a riveting device, and the spring group at the moment belongs to a semi-finished product. Then, a stamping part is placed on the second set of riveting table board, the semi-finished product of the spring group is placed on the stamping part, the semi-finished product of the spring group is placed in the direction that the small spring vertically faces downwards, and riveting is achieved through a riveting device.

The traditional mode can only realize riveting of a single stamping part and needs to use a plurality of sets of riveting tools. Because two stamping parts of the spring group are riveted respectively, the stamping parts are easy to warp and deform. The quality of the spring assembly is reduced due to the warping and deformation of the steel sheets, and the spring assembly is scrapped seriously. The riveting process is complex, the procedures are multiple, and the operation is not easy. The labor cost is also increased, the production efficiency is low, the continuous operation cannot be realized, and the product quality cannot be ensured. The complex operation mode avoids that people and equipment can not work together, which brings danger to people and has potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a riveting set for two steel sheet spring groups to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a riveting device for a double-steel-sheet spring group comprises a riveting base fixed on a workbench and a riveting pressure head arranged right above the riveting base and connected with a lifting driving device, wherein the riveting base comprises a first concave base with an upward opening, a base shaft vertically fixed in the first concave base and a first thimble fixing seat sleeved on the base shaft and elastically connected with the inner bottom surface of the first concave base, the first thimble fixing seat can move up and down along the base shaft, and a plurality of vertically upward guide thimbles are arranged on the first thimble fixing seat; the riveting pressure head comprises a concave base II with a downward opening, a vertical through pressure head shaft of the concave base II and a thimble fixing seat II which is sleeved with a limiting block, wherein the lower end of the pressure head shaft is elastically connected with the inner top surface of the concave base II, the upper end of the pressure head shaft is sleeved with a plurality of vertical downward positioning thimbles.

Furthermore, the first thimble fixing seat is connected with the first concave base, and the second thimble fixing seat is connected with the second concave base through a plurality of vertically arranged return springs.

Furthermore, a sealing plate for limiting is arranged at an upper end opening of the first concave base and a lower end opening of the second concave base, a plurality of through holes are formed in the sealing plate, and the guide ejector pins and the positioning ejector pins can penetrate through the through holes and move up and down.

Furthermore, the whole of the second thimble fixing seat is T-shaped, and the edge of the lower end head of the second thimble fixing seat is not higher than that of the lower end head of the positioning thimble, so that the second thimble fixing seat can be clamped and positioned with the middle position of the spring group.

Furthermore, the riveting raw materials are two stamping parts which are alternately provided with a plurality of riveting bosses and positioning holes, the number and the positions of the guide thimbles and the riveting bosses are in one-to-one correspondence, and the number and the positions of the positioning thimbles and the positioning holes are in one-to-one correspondence.

According to the technical scheme provided by the utility model, the utility model discloses a riveting base and riveting pressure head are fixed a position the riveting to two upper and lower stamping parts simultaneously to through direction thimble and location thimble, make the stamping part be the multiple spot dispersion atress in the atress mode of adding man-hour, and cushion through the spring, utilize offsetting each other of power, avoid the stamping part to take place warpage and deformation, effectively improved the processingquality and the efficiency of spring assembly, realized safety in production.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the riveting base of the present invention;

fig. 3 is a schematic structural view of the riveting ram of the present invention;

fig. 4 is a schematic structural diagram of a stamping part.

In the figure: 1. riveting a base; 11. a first concave base; 12. a base shaft; 13. a first thimble fixing seat; 14. A guide thimble; 15. a return spring; 16. closing the plate; 2. a riveting pressure head 21 and a concave fixed seat II; 22. A ram shaft; 23. a second thimble fixing seat; 24. a limiting block; 25. positioning the thimble; 3. a lift drive; 4. a mechanical arm; 5. and controlling the terminal.

Detailed Description

A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

The anti-torsion riveting device for the spring group shown in fig. 1-3 comprises a riveting base 1 fixed on a workbench and a riveting pressure head 2 which is arranged right above the riveting base and is connected with a lifting driving device 3, wherein the riveting base comprises a concave base I11 with an upward opening, a base shaft 12 vertically fixed in the concave base I and a thimble fixing seat I13 sleeved on the base shaft and elastically connected with the inner bottom surface of the concave base I, the thimble fixing seat I can move up and down along the base shaft, and a plurality of vertically upward guide thimbles 14 are arranged on the thimble fixing seat I; the riveting pressure head comprises a concave base II 21 with a downward opening, a vertical through pressure head shaft 22 of the concave base II and a thimble fixing seat II 23 which is sleeved with a limiting block 24, wherein the lower end head of the pressure head shaft is elastically connected with the inner top surface of the concave base II, and the thimble fixing seat II is provided with a plurality of vertical downward positioning thimbles 25.

In the preferred embodiment, the first thimble fixing seat 13 is connected with the first concave base 11, and the second thimble fixing seat 23 is connected with the second concave base 21 through a plurality of vertically arranged return springs 15; and the upper end opening of the first concave base and the lower end opening of the second concave base are provided with a sealing plate 16 for limiting, the sealing plate is provided with a plurality of through holes, and the guide thimble 14 and the positioning thimble 25 can penetrate through the through holes and move up and down.

In the preferred embodiment, the first thimble fixing seat 13 and the base shaft 12, the second thimble fixing seat 23 and the second concave base 21, the pressure head shaft 22 and the second concave base, the guide thimble 14 and the through hole, and the positioning thimble 25 and the through hole are all in sliding connection, the sliding connection means that two objects are in contact with each other, but not fixed, and the two objects can slide relatively, so that on one hand, the guide thimble and the positioning thimble are not deviated in the horizontal direction, on the other hand, the friction of relative sliding can be reduced, and the service life of components is prolonged.

In specific use, the lifting driving device 3 adopts a servo motor, is fixedly installed through a mechanical arm 4, and the driving end of the servo motor is connected with the upper end face of the riveting pressure head through a connecting plate; the servo motor can control the opening and closing of the motor through the control terminal 5, meanwhile, the working stroke of the servo motor can be adjusted to control the pressing depth of the riveting pressing head 2, the consistency of the pressing depth at each time is guaranteed, and the riveting effect of each spring group is the same.

As shown in fig. 4, the raw material for spring riveting in the preferred embodiment is a stamping part alternately provided with a plurality of riveting bosses and positioning holes, the number and positions of the guide thimbles 14 and the riveting bosses are in one-to-one correspondence, and the number and positions of the positioning thimbles 25 and the positioning holes of the stamping part are in one-to-one correspondence; the utility model discloses a direction thimble and location thimble can fix a position two stamping workpiece and little compression spring about the spring assembly simultaneously, make the stamping workpiece add man-hour atress mode for the multiple spot dispersion to cushion through the spring, utilize offsetting each other of power, avoid the stamping workpiece to take place warpage, deformation and dislocation, improve the processingquality and the efficiency of spring assembly.

In specific in-service use, utilize the device carry out the riveting of spring and stamping workpiece including following step: firstly, a stamping part is placed on the riveting base 1 through the guide ejector pin 14, the riveting boss faces upwards, then a small compression spring is placed on each riveting boss of the stamping part through the guide ejector pin, then another stamping part is placed on the riveting base through the guide ejector pin, and the riveting boss faces downwards. The servo motor drives the riveting pressure head 2 to move downwards, and the positioning thimble 25 is inserted into the positioning hole of the stamping part to position the stamping part; and then, utilizing the downward movement of the riveting pressure head to form mutual pressure on the upper and lower stamping parts of the spring group and the small compression springs, so that the riveting of the two stamping parts and the small compression springs is completed at one time, finally taking out the riveted spring group from the riveting base, and repeating the steps to realize the safe and efficient production of the spring group.

The above-mentioned embodiments are only to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims (5)

1. The utility model provides a riveting set for two steel sheet spring groups, is in including fixing riveting base and the setting on the workstation riveting pressure head that just is connected with lift drive device directly over the riveting base, its characterized in that:

the riveting base comprises a first concave base with an upward opening, a base shaft vertically fixed in the first concave base and a first thimble fixing seat sleeved on the base shaft and elastically connected with the inner bottom surface of the first concave base, the first thimble fixing seat can move up and down along the base shaft, and a plurality of vertically upward guide thimbles are arranged on the first thimble fixing seat;

riveting pressure head includes the decurrent spill base two of opening, vertical running through the pressure head axle of spill base two and cup joint the lower tip of pressure head axle with the thimble fixing base two of the interior top surface elastic connection of spill base two, the last termination of pressure head axle has cup jointed the stopper, be provided with the vertical decurrent location thimble of a plurality of on the thimble fixing base two.

2. The riveting device for the double-steel-sheet spring group as claimed in claim 1, wherein the first thimble fixing seat is connected with the first concave base, the second thimble fixing seat is connected with the second concave base through a plurality of vertically arranged return springs.

3. The riveting device for the double-steel-sheet spring group as claimed in claim 2, wherein a sealing plate for limiting is arranged at the upper opening of the first concave base and the lower opening of the second concave base, a plurality of through holes are arranged on the sealing plate, and the guiding thimbles and the positioning thimbles can penetrate through the through holes and can move up and down.

4. The riveting device for the double-steel-sheet spring group as claimed in claim 3, wherein the second thimble fixing seat is integrally T-shaped, and the edge of the lower end head of the second thimble fixing seat is not higher than the edge of the lower end head of the positioning thimble, so that the second thimble fixing seat can be clamped and positioned with the middle position of the spring group.

5. The riveting device for the double-steel-sheet spring group as claimed in claim 3, wherein the riveting raw material is two stamping parts alternately provided with a plurality of riveting bosses and positioning holes, the number and positions of the guide thimbles and the riveting bosses are in one-to-one correspondence, and the number and positions of the positioning thimbles and the positioning holes are in one-to-one correspondence.

Images