CN216881567U

CN216881567U - Riveting device

Info

Publication number: CN216881567U
Application number: CN202220520615.7U
Authority: CN
Inventors: 祝兴好; 鞠栋杰; 魏海江; 王振
Original assignee: Shandong Jingwei Intelligent Equipment Co ltd
Current assignee: Shandong Jingwei Intelligent Equipment Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-07-05
Anticipated expiration: 2032-03-11

Abstract

The utility model discloses a riveting device, wherein a support of the riveting device is provided with a power mechanism, the lower end part of the telescopic end of the power mechanism is connected with a floating joint, the bottom part of the floating joint is movably connected with the upper end of a connecting piece, and the lower end of the connecting piece is provided with a riveting head. When the riveting device is used for riveting the pole of the square battery, the output end of the power mechanism and the riveting head can be effectively ensured to be flush, the power mechanism and the riveting head can be effectively prevented from being damaged in the riveting process, the working reliability of the riveting device is improved, the production efficiency is improved, and the production cost is reduced.

Description

Riveting device

Technical Field

The utility model relates to the technical field of square battery production equipment, in particular to a riveting device.

Background

With the development of the times, the application range of the power battery is wider and wider. As one of power batteries, the square battery is widely used in the new energy industry. In the production process of the square battery cover plate assembly, a positive pole and a negative pole of a battery cover plate need to be riveted, however, the existing riveting device has no pressure detection mechanism in the riveting process of the positive pole and the negative pole of the square battery, and a riveting cylinder can often not flush with a riveting head, so that the riveting head and a piston rod of the riveting cylinder can be damaged, and the problems of low production efficiency and high production cost are caused.

Disclosure of Invention

In order to overcome the defects, the utility model provides a riveting device which can rivet and press a pole of a square battery in the process of processing the square battery, so that the production efficiency is improved, and the production cost is reduced.

In order to solve the technical problem, the riveting device comprises a support, wherein a power mechanism is arranged on the support, the lower end part of the telescopic end of the power mechanism is connected with a floating joint, the bottom of the floating joint is movably connected to the upper end of a connecting piece, and a riveting head is arranged at the lower end of the connecting piece.

Furthermore, the connecting piece comprises a U-shaped plate, the opening of the U-shaped plate faces one side, the U-shaped cavity of the U-shaped plate is in a step shape and is divided into an upper part and a lower part which are connected together, the upper part U-shaped cavity and the lower part U-shaped cavity are respectively formed, the inner diameter of the upper part U-shaped cavity is smaller than the inner diameter of the lower part U-shaped cavity, the bottom of the floating joint is located in the lower part U-shaped cavity, the outer diameter of the floating joint is smaller than the inner diameter of the lower part U-shaped cavity, and the outer diameter of the floating joint is larger than the inner diameter of the upper part U-shaped cavity.

Furthermore, the connecting piece still includes upper junction plate and the lower junction plate of relative setting, the upper junction plate with the lower junction plate is through two relative connection risers that set up, upper junction plate fixed connection in the bottom of U-shaped board, rivet the pressure head fixed set up in the lower junction plate.

Furthermore, a pressure sensor is arranged between the two connecting vertical plates, the upper end part of the pressure sensor is connected with the upper connecting plate, and the lower end part of the pressure sensor is close to the riveting head.

Furthermore, a pressing plate is connected to the lower portion of the lower connecting plate, and the riveting head can extend out of the pressing plate.

Further, the pressing plate is connected with the lower connecting plate through an equal-height screw, the lower connecting plate is connected with the equal-height screw in a sliding mode, and the pressing plate is connected with the equal-height screw in a threaded mode; and a return spring is arranged between the lower connecting plate and the pressing plate.

Furthermore, the upper surface of the pressing plate is provided with a limiting block.

Furthermore, the pressure sensors are provided with two, and the riveting heads are provided with two.

Furthermore, one side of the upper connecting plate is provided with a proximity switch.

Furthermore, a horizontal support platform is arranged at the lower part of the support.

After the technical scheme is adopted, the riveting device has the beneficial effects that the power mechanism is arranged on the support of the riveting device, the lower end part of the telescopic end of the power mechanism is connected with the floating joint, the bottom of the floating joint is movably connected to the upper end of the connecting piece, and the lower end of the connecting piece is provided with the riveting head. When the riveting device is used for riveting the pole of the square battery, the output end of the power mechanism and the riveting head can be effectively ensured to be flush, the power mechanism and the riveting head can be effectively prevented from being damaged in the riveting process, the working reliability of the riveting device is improved, the production efficiency is improved, and the production cost is reduced.

Drawings

Fig. 1 is a perspective view of a riveting apparatus of the utility model;

fig. 2 is a schematic structural diagram of the riveting device of the utility model;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged view of area B of FIG. 2;

FIG. 5 is an enlarged view of area C of FIG. 3;

fig. 6 is a perspective view of a jig (with a square battery) used in riveting;

in the figure: 1. a support; 2. a gas-liquid pressure cylinder; 21. a piston rod; 3. a top plate; 4. a support table; 5. a floating joint; 6. a U-shaped plate; 61. an upper U-shaped cavity; 62. a lower U-shaped cavity; 7. an upper connecting plate; 8. connecting the first vertical plate; 9. connecting a second vertical plate; 10. a lower connecting plate; 11. pressing a plate; 121. riveting a first head; 122. a riveting head II; 13. an equal-height screw; 14. a return spring; 15. a guide post; 16. a limiting block; 171. a first pressure sensor; 172. a second pressure sensor; 18. a proximity switch; 19. a jig; 201. a first square battery; 202. and a second square battery.

Detailed Description

The utility model is further described with reference to the following figures and examples.

As shown together with fig. 1, 2, and 3, the riveting device includes a support 1, a power mechanism is provided on the support 1, the power mechanism preferably adopts a gas-liquid pressure cylinder 2, a top plate 3 is provided on the upper portion of the support 1, a cylinder body of the gas-liquid pressure cylinder 2 is mounted on the top plate 3, a piston rod 21 of the gas-liquid pressure cylinder 2 passes through the top plate 3 and extends downward, a floating joint 5 is connected to the lower end portion of the piston rod 21 of the gas-liquid pressure cylinder 2 through a thread, the bottom portion of the floating joint 5 is movably connected to the upper end of a connecting member, and a riveting head is provided at the lower end of the connecting member.

As shown together with fig. 1, 2 and 4, the connecting member includes a U-shaped plate 6, an opening of the U-shaped plate 6 faces one side, a U-shaped cavity of the U-shaped plate 6 is stepped and divided into an upper portion and a lower portion which are connected together, the upper portion is an upper U-shaped cavity 61 and the lower portion is a lower U-shaped cavity 62, an inner diameter of the upper portion is smaller than an inner diameter of the lower portion is a U-shaped cavity 62, a bottom of the floating joint 5 is located in the lower portion is the U-shaped cavity 62, an outer diameter of the floating joint 5 is smaller than the inner diameter of the lower portion is the upper portion is the U-shaped cavity 62, the bottom of the floating joint 5 can move up and down in the lower portion is the U-shaped cavity 62, and a step surface at a connection position of the upper portion and the lower portion is the U-shaped cavity 61 and the lower portion 62 can effectively prevent the floating joint 5 from coming off in an upward moving process.

The connecting piece further comprises an upper connecting plate 7 and a lower connecting plate 10 which are oppositely arranged, the upper connecting plate 7 and the lower connecting plate 10 are fixedly connected through two connecting vertical plates which are oppositely arranged, and the two connecting vertical plates which are oppositely arranged are a first connecting vertical plate 8 and a second connecting vertical plate 9 respectively. The upper connecting plate 7 is fixedly connected to the bottom of the U-shaped plate 6, the riveting heads are fixedly arranged on the lower connecting plate 10, the number of the riveting heads can be two, the riveting heads are respectively a first riveting head 121 and a second riveting head 122, and the first riveting head 121 and the second riveting head 122 are both located right below the floating joint 5.

A pressure sensor is arranged between the first connecting vertical plate 8 and the second connecting vertical plate 9, the number of the pressure sensors can be two, namely a first pressure sensor 171 and a second pressure sensor 172, the upper end part of the first pressure sensor 171 is connected in a first counter bore of the upper connecting plate 7, the lower end part of the first pressure sensor 171 is close to the first riveting head 121, and a small gap is formed between the lower end part of the first pressure sensor 171 and the upper end part of the first riveting head 121; the upper end of the second pressure sensor 172 is connected in the second counterbore of the upper connecting plate 7, the lower end of the second pressure sensor 172 is close to the second riveting head 122, and a small gap is formed between the lower end of the second pressure sensor 172 and the upper end of the second riveting head 122.

As shown in fig. 1, 3, and 5, a pressing plate 11 is further connected to a lower portion of the lower connecting plate 10, and the rivet head can extend out of the pressing plate 11. The pressing plate 11 is connected with the lower connecting plate 10 through the equal-height screws 13, vertical through holes are formed in the lower connecting plate 10, the equal-height screws 13 are inserted into the vertical through holes of the lower connecting plate 10, the lower connecting plate 10 can move up and down along the equal-height screws 13, and the pressing plate 11 is in threaded connection with threaded portions of the equal-height screws 13. The lower connecting plate 10 is also provided with a guide post 15, and the guide post 15 plays a role in guiding the lower connecting plate 10 in the process of moving up and down. The pressure plate 11 is further provided with a limiting block 16 which plays a limiting role in the downward movement process of the lower connecting plate 10. A return spring 14 is provided between the lower surface of the lower connecting plate 10 and the upper surface of the pressure plate 11.

A horizontal support table 4 is arranged at the lower part of the bracket 1 and is used for bearing riveting pressure in the riveting process.

And a proximity switch 18 is also arranged on one side of the upper connecting plate 7, and the proximity switch 18 is connected to the bracket 1 through a connecting frame.

The following describes in detail the process of crimping the terminal and the block of the rectangular battery using the crimping apparatus of the present invention:

as shown in fig. 1 and fig. 6, when the square battery is processed, the square battery is placed on the jig 19, and the jig 19 used in the present invention can place two square batteries, i.e., a first square battery 201 and a second square battery 202.

The jig 19 with the first square battery 201 and the second square battery 202 is placed on the upper surface of the support table 4, the piston rod 21 of the gas-liquid pressure cylinder 2 extends out, the floating joint 5 in threaded connection with the piston rod 21 moves downwards, the first riveting head 121 and the second riveting head 122 move downwards, the pressing plate 11 contacts the two square batteries in advance, and the pressing plate 11 pre-presses the first square battery 201 and the second square battery 202. Since the gaps between the first pressure sensor 171 and the first rivet head 121 and between the second pressure sensor 172 and the second rivet head 122 are particularly small, during riveting, the first pressure sensor 171 contacts the first rivet head 121, and the second pressure sensor 172 contacts the second rivet head 122, so that the magnitude of the riveting pressure can be determined. In the riveting process, the riveting pressure borne by the jig 19 is transferred to the support table 4, so that the jig 19 can be effectively protected from being damaged. The first riveting head 121 rivets and presses the pole and the pole block of the first square battery 201 together, and the second riveting head 122 rivets and presses the pole and the pole block of the second square battery 202 together. After the riveting is completed, the piston rod 21 of the gas-liquid pressure cylinder 2 is retracted, the first riveting head 121 and the second riveting head 122 move upwards, and the riveting operation is completed.

The technical features (such as the first square battery, the second square battery, the first rivet head, the second rivet head, the first pressure sensor, the second pressure sensor, etc.) referred to in this specification are only for distinguishing the technical features, and do not represent the position relationship, the installation sequence, the working sequence, etc. among the technical features.

In the description of the present specification, it is to be understood that the orientations or positional relationships described by the "upper surface", "top plate", "upper connecting plate", "lower connecting plate", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, are not to be construed as limiting the present invention.

The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception, and fall within the scope of the present invention.

Claims

1. The riveting device comprises a support, wherein a power mechanism is arranged on the support, and the riveting device is characterized in that the lower end part of the telescopic end of the power mechanism is connected with a floating joint, the bottom of the floating joint is movably connected to the upper end of a connecting piece, and a riveting head is arranged at the lower end of the connecting piece.

2. The riveting device of claim 1, wherein the connecting member comprises a U-shaped plate, the opening of the U-shaped plate faces to one side, the U-shaped cavity of the U-shaped plate is stepped and divided into an upper U-shaped cavity and a lower U-shaped cavity which are connected together, the upper U-shaped cavity has an inner diameter smaller than that of the lower U-shaped cavity, the bottom of the floating joint is located in the lower U-shaped cavity, the outer diameter of the floating joint is smaller than that of the lower U-shaped cavity, and the outer diameter of the floating joint is larger than that of the upper U-shaped cavity.

3. The riveting and pressing device of claim 2, wherein the connecting piece further comprises an upper connecting plate and a lower connecting plate which are oppositely arranged, the upper connecting plate and the lower connecting plate are fixedly connected through two connecting vertical plates which are oppositely arranged, the upper connecting plate is fixedly connected to the bottom of the U-shaped plate, and the riveting and pressing head is fixedly arranged on the lower connecting plate.

4. The riveting device according to claim 3, wherein a pressure sensor is arranged between the two connecting vertical plates, the upper end of the pressure sensor is connected to the upper connecting plate, and the lower end of the pressure sensor is close to the riveting head.

5. The riveting apparatus of claim 4, wherein a pressure plate is further connected below the lower connecting plate, and the riveting head can extend out of the pressure plate.

6. The riveting device of claim 5, wherein the pressing plate is connected with the lower connecting plate through an equal-height screw, the lower connecting plate is slidably connected with the equal-height screw, and the pressing plate is in threaded connection with the equal-height screw; and a return spring is arranged between the lower connecting plate and the pressing plate.

7. The riveting apparatus of claim 5, wherein the upper surface of the pressure plate is provided with a stopper.

8. A riveting apparatus according to claim 4, wherein there are two pressure sensors and two riveting heads.

9. The rivet pressing apparatus of claim 3, wherein a proximity switch is provided at one side of the upper connecting plate.

10. A riveting apparatus according to claim 3, wherein the lower portion of the bracket is further provided with a horizontal support platform.