CN213827705U

CN213827705U - Pole lug pressing device

Info

Publication number: CN213827705U
Application number: CN202022203098.4U
Authority: CN
Inventors: 程从贵; 冉昌林; 王雄力; 孟昌; 杨伟伟
Original assignee: Wuhan Yifi Laser Corp Ltd
Current assignee: Wuhan Yifi Laser Corp Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-30
Anticipated expiration: 2030-09-30

Abstract

The embodiment of the utility model provides a relate to laminate polymer battery processing field, disclose a utmost point ear closing device, include: the lug pressing assembly comprises a telescopic cylinder, a pressure head sliding seat, a lug pressure head and a slidable pressing assembly mounting plate; the fixed end of the telescopic cylinder is hinged to the pressing component mounting plate, and the movable end of the telescopic cylinder is hinged to the pressing head sliding seat; the pressing head sliding seat is slidably mounted on the pressing component mounting plate, and the sliding direction of the pressing head sliding seat is perpendicular to that of the pressing component mounting plate; and the lug pressure head is arranged on the pressure head sliding seat. The utility model discloses utmost point ear closing device compresses tightly utmost point ear and the dish that converges through utmost point ear pressure head, can prevent to converge the dish and produce in welding process and remove, has improved welding process's stability to and welded accuracy.

Description

Pole lug pressing device

Technical Field

The utility model relates to a laminate polymer battery processing technology field especially relates to a utmost point ear closing device.

Background

The soft package battery has the advantages of lightness, thinness, long cycle life, good safety performance, high energy density, stable discharge, excellent performance, environmental protection, no pollution and the like, and is widely applied to various fields of electric bicycles, electric motorcycles, electric automobiles, solar photovoltaic power generation systems, wind power generation systems, mobile communication base stations, large-scale server standby UPS power supplies, emergency lighting, portable mobile power supplies, mine safety equipment and the like.

The battery module of the power battery is formed by connecting a plurality of monomer battery cores in series and parallel through conductive connecting pieces. Be equipped with on the monomer electricity core and be used for electrically conductive utmost point ear, converge the dish and as a common electrically conductive connecting piece for carry out the electricity to the utmost point ear of different monomer electricity core soil and connect. The connection mode of the pole ear and the conductive connecting piece is commonly in three modes of welding, screwing and mechanical repulsion.

Because the battery module is formed by connecting a plurality of monomer electric cores in series-parallel through the conductive connecting piece, most laminate polymer batteries on the market realize the series-parallel connection between the monomer electric cores through converging the dish. Generally, when welding the tabs and the bus tray, the tabs of the plurality of monomer cells are pressed on the bus tray together in an integral pressing mode. Because laminate polymer battery uniformity is very poor, the overlap joint is different in position and angle on the dish that converges after utmost point ear is bent, and this just leads to these utmost point ears not in a plane, adopts the mode of whole pressfitting to lead to these utmost point ears can't paste with the dish that converges completely, and then lead to the problem of rosin joint, finally lead to welding the effect relatively poor.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a utmost point ear closing device for solve or partially solve the relatively poor and not high problem of quality of current utmost point ear welding efficiency.

An embodiment of the utility model provides a utmost point ear closing device, include: the lug pressing assembly comprises a telescopic cylinder, a pressure head sliding seat, a lug pressure head and a slidable pressing assembly mounting plate;

the fixed end of the telescopic cylinder is hinged to the pressing component mounting plate, and the movable end of the telescopic cylinder is hinged to the pressing head sliding seat; the pressing head sliding seat is slidably mounted on the pressing component mounting plate, and the sliding direction of the pressing head sliding seat is perpendicular to that of the pressing component mounting plate; and the lug pressure head is arranged on the pressure head sliding seat.

On the basis of the technical scheme, the lug pressing device further comprises an air cylinder mounting seat mounted on the pressing component mounting plate, and the fixed end of the telescopic air cylinder is hinged to the air cylinder mounting seat.

On the basis of the technical scheme, the lug pressing device further comprises a pressing head sliding seat mounting seat mounted on the pressing assembly mounting plate, and the pressing head sliding seat is mounted on the pressing head sliding seat mounting seat in a sliding mode.

On the basis of the technical scheme, the end face of the pressure head sliding seat mounting seat is provided with a separation blade used for limiting the sliding distance of the pressure head sliding seat.

On the basis of the technical scheme, the tab pressing device further comprises a first displacement sensor for detecting the displacement of the tab pressing head.

On the basis of the technical scheme, the lug pressing device further comprises a second displacement sensor used for detecting the distance between the lug and the bus disc.

On the basis of the technical scheme, the lug pressure head is in a rectangular structure and is matched with the lug.

On the basis of the technical scheme, the lug pressure head is detachably mounted on the pressure head sliding seat.

On the basis of the technical scheme, the lug pressure head is prepared from red copper.

On the basis of the technical scheme, the tab pressure head is of a hollow structure.

The embodiment of the utility model provides a pole lug pressing device, firstly, through the sliding of the pressing component mounting plate, the pressing head sliding seat is moved to the working area; after the adjustment of the pressure head sliding seat is completed, the tab pressure head is enabled to move towards the tab through the work of the telescopic cylinder, so that the tab pressure head compresses the tab, and the tab welding is completed; after the tab welding is finished, the tab pressure head is enabled to move away from the tab through the work of the telescopic cylinder. The utility model discloses utmost point ear closing device compresses tightly utmost point ear and the dish that converges through utmost point ear pressure head, can prevent to converge the dish and produce in welding process and remove, has improved welding process's stability to and welded accuracy.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a tab compressing device according to an embodiment of the present invention;

fig. 2 is a side view of the tab compressing device according to the embodiment of the present invention.

Reference numerals:

1. a sliding table; 11. a hold-down assembly mounting plate; 2. a cylinder mounting seat; 3. a telescopic cylinder; 4. a first displacement sensor; 5. a second displacement sensor; 6. a tab pressing head; 7. a ram slide; 8. a baffle plate; 9. pressure head slide mount pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The battery module comprises a plurality of monomer battery cores, the monomer battery cores are divided into a positive pole and a negative pole, and the pole lugs are metal conductors which are led out of the positive pole and the negative pole from the monomer battery cores. A plurality of monomer electricity core has constituteed the battery module after the series-parallel connection. Series-parallel connection between the monomer electric cores is through electric conductor connection, and is common, through converging the dish as electrically conductive connecting piece, the utmost point ear on the different monomer electric cores is connected with the dish electricity that converges to the series-parallel connection between the monomer electric core has been realized.

As shown in fig. 1 and fig. 2, the utility model discloses utmost point ear closing device of embodiment includes: the lug pressing assembly comprises a telescopic cylinder 3, a pressure head sliding seat 7, a lug pressure head 6 and a slidable pressing assembly mounting plate 11;

the fixed end of the telescopic cylinder 3 is hinged on the pressing component mounting plate 11, and the movable end of the telescopic cylinder 3 is hinged on the pressure head sliding seat 7; the pressure head sliding seat 7 is slidably mounted on the pressing component mounting plate 11, and the sliding direction of the pressure head sliding seat 7 is vertical to that of the pressing component mounting plate 11; and the tab pressing head 6 is arranged on the pressing head sliding seat 7.

It should be noted that the ram slider 7 is perpendicular to the sliding direction of the pressing member mounting plate 11, that is, the pressing member mounting plate 11 slides along the X-axis direction, and the ram slider 7 slides along the Y-axis direction. The pressing assembly mounting plate 11 serves as a part of the sliding table 1, a power mechanism of the sliding table 1 is a ball screw, and a power source of the ball screw can be a servo motor. The sliding table 1 can be installed and fixed through two vertically arranged supports, and the position of the tab pressing head 6 can be matched with the position of a tab through the height of the supports. The power supply of pressure head slide 7 is telescopic cylinder 3, and through telescopic cylinder 3's extension motion, utmost point ear pressure head 6 moves towards utmost point ear, telescopic cylinder 3's the motion that shortens, and utmost point ear pressure head 6 deviates from utmost point ear motion.

It can be understood that the tab pressing head 6 with a rectangular structure is matched with the tab, that is, the shape and the size of the tab pressing head 6 are the same as those of the tab. Wherein, in order to be convenient for change and overhaul utmost point ear pressure head 6, utmost point ear pressure head 6 detachably installs on pressure head slide 7, for example, utmost point ear pressure head 6 installs on pressure head slide 7 through the mode that the buckle is connected.

In the embodiment of the present invention, the pressing head sliding seat 7 is moved to the working area by sliding the pressing assembly mounting plate 11; after the adjustment of the pressure head sliding seat 7 is completed, the tab pressure head 6 moves towards the tab through the work of the telescopic cylinder 3, so that the tab pressure head 6 compresses the tab, and the tab welding is completed; after the tab welding is finished, the tab pressing head 6 moves away from the tab through the work of the telescopic cylinder 3. The utility model discloses utmost point ear closing device compresses tightly utmost point ear and the dish that converges through utmost point ear pressure head, can prevent to converge the dish and produce in welding process and remove, has improved welding process's stability to and welded accuracy.

On the basis of the above embodiment, the tab pressing head 6 is made of red copper.

It should be noted that, during the press welding, the instantaneous temperature is high. The tab pressing head 6 compresses and attaches the tab and the bus-converging disc, and the red copper has good heat conduction performance, so that the heat dissipation effect is better, and the welding quality and effect are ensured.

It will be appreciated that the tab press 6 may be hollow in construction for material savings.

On the basis of the above embodiment, the tab compressing device further comprises a cylinder mounting base 2 mounted on the compressing assembly mounting plate 11, and the fixed end of the telescopic cylinder 3 is hinged on the cylinder mounting base 2.

It should be noted that, in order to improve the working stability of the telescopic cylinder 3, the fixed end of the telescopic cylinder 3 is hinged on the cylinder mounting base 2 through a rotating shaft. Wherein, the cylinder mount 2 is detachably mounted on the hold-down assembly mounting plate 11.

On the basis of the above embodiment, the tab pressing device further comprises a pressure head slide seat mounting seat 9 installed on the pressing component mounting plate 11, and the pressure head slide seat 7 is slidably installed on the pressure head slide seat mounting seat 9.

It should be noted that, in order to realize sliding connection, a guide rail is arranged on the indenter slide mount 9, and a groove adapted to the guide rail is arranged at the bottom of the indenter slide 7, so as to realize sliding connection between the indenter slide mount and the indenter slide. Wherein, the pressure head slide seat mounting seat 9 is detachably arranged on the pressing component mounting plate 11.

It will be appreciated that the ram slide mount 9 and the cylinder mount 2 are located at respective ends of the hold-down assembly mounting plate 11.

On the basis of the above embodiment, the end surface of the ram slide mount 9 is mounted with the stopper 8 for limiting the sliding distance of the ram slide 7.

It should be noted that the blocking piece 8 is located on the moving path of the ram slide seat 7, and by arranging the blocking piece 8, the ram slide seat 7 can be placed to slide off the ram slide seat mounting seat 9.

On the basis of the above embodiment, the tab pressing device further includes a first displacement sensor 4 for detecting the displacement of the tab pressing head 6.

It should be noted that the first displacement sensor 4 is mounted on the hold-down assembly mounting plate 11, and the first displacement sensor 4 is located between the cylinder mounting seat 2 and the ram slide mounting seat 9. The sliding distance of the pressure head sliding seat 7 can be obtained through the first displacement sensor 4, so that the displacement of the tab pressure head 6 is obtained.

On the basis of the above embodiment, the tab compressing device further includes a second displacement sensor 5 for detecting the distance between the tab and the bus tray.

It should be noted that the second displacement sensor 5 is mounted on the hold-down assembly mounting plate 11, and the second displacement sensor 5 is located between the cylinder mounting seat 2 and the ram slide mounting seat 9. Can acquire and converge the distance between the dish through second displacement sensor 5, combine the displacement of the utmost point ear pressure head 6 that first displacement sensor 4 obtained, can calculate out utmost point ear and converge the dish interval, can prevent 6 antipodal ear transitional extrusion of utmost point ear pressure head, cause the damage of electric core module.

The utility model discloses utmost point ear closing device compresses tightly single utmost point ear and the dish that converges through utmost point ear pressure head, can prevent to converge the dish and produce in welding process and remove, and can real-time detection utmost point ear and converge a set interval, prevent the transitional extrusion, improved welding process's stability to and welded accuracy.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A tab compressing device is characterized by comprising: the lug pressing assembly comprises a telescopic cylinder, a pressure head sliding seat, a lug pressure head and a slidable pressing assembly mounting plate;

2. The tab compressing apparatus as claimed in claim 1, further comprising a cylinder mounting seat mounted on the compressing assembly mounting plate, wherein the fixed end of the telescopic cylinder is hinged to the cylinder mounting seat.

3. The tab compression device as claimed in claim 1, further comprising a head slide mount mounted on the compression assembly mounting plate, the head slide being slidably mounted on the head slide mount.

4. The tab compressing apparatus as claimed in claim 3, wherein a stop piece for limiting the sliding distance of the pressure head slide is installed on the end surface of the pressure head slide installation seat.

5. The tab compression device as claimed in any one of claims 1 to 4, further comprising a first displacement sensor for detecting displacement of the tab pressure head.

6. The tab compressing device according to claim 5, further comprising a second displacement sensor for detecting a distance between the tab and the bus plate.

7. The tab compressing apparatus as claimed in any one of claims 1 to 4, wherein the tab pressure head in a rectangular configuration is matched with the tab.

8. The tab compression device as claimed in claim 7, wherein the tab press head is removably mounted on the press head slide.

9. The tab compressing apparatus as claimed in claim 7, wherein the tab pressing head is made of red copper.

10. The tab compressing apparatus as claimed in claim 7, wherein the tab pressing head is of a hollow structure.