CN217134443U

CN217134443U - Soft package module stacks equipment and utmost point ear welding frock

Info

Publication number: CN217134443U
Application number: CN202220935211.4U
Authority: CN
Inventors: 高志伟; 侯孝琳
Original assignee: Hefei Guoxuan High Tech Power Energy Co Ltd
Current assignee: Hefei Gotion High Tech Power Energy Co Ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-08-05
Anticipated expiration: 2032-04-21

Abstract

The utility model discloses a soft-packaged module piles up equipment and utmost point ear welding frock relates to electric automobile technical field, including electric core stacking mechanism, integrated apron stop gear, utmost point ear stop gear, electric core stacking mechanism can pile up electric core, integrated apron stop gear can spacing integrated apron for the position of electric core, utmost point ear stop gear can spacing utmost point ear and the distance of the busbar of integrated apron. The utility model has the advantages that: the welding efficiency of the soft-package module lug is improved; pile up equipment with soft package module and utmost point ear welding integration is as a frock, has avoided transporting in the equipment, and whole work efficiency is high.

Description

Soft package module stacks equipment and utmost point ear welding frock

Technical Field

The utility model relates to an electric automobile technical field especially relates to a soft packet of module piles up equipment and utmost point ear welding frock.

Background

One of the key technologies for the development of electric vehicles is a power battery, and a soft package battery has many advantages such as good safety performance, light weight, large capacity, small internal resistance, flexible design and the like, gradually develops towards the direction of high-rate application, more meets the requirements of consumers, and has become the mainstream development direction at present. The reliability of the welding strength of the pole ear of the soft package module is an important direction for the research of the soft package module, wherein the welding modes of the pole ear comprise laser welding, ultrasonic welding and the like, the ultrasonic welding requires a larger internal space of the module, and a secondary vibration cracking phenomenon exists after the welding; the laser welding has the advantages of low height of welding seams, less control of process parameters, attractive welding seams, mature application, small requirement on the space of the surfaces of the welding seams and the like, so the laser welding is widely applied. However, the requirement of laser welding on a gap between welded objects is high, poor welding can be caused when the gap exceeds a certain gap, the conventional soft package module tab welding method is that the tab is fixed through laser spot welding and then laser welding is carried out, and the welding efficiency is low; and soft package module and frock weight > 150kg, the module upper cover plate equipment need overturn, but because the restriction of module weight, the upset of module has become a big difficult point in the manufacturing process.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in how to improve the welding efficiency of soft packet of module utmost point ear.

The utility model discloses a realize solving above-mentioned technical problem through following technical means: soft package module piles up equipment and utmost point ear welding frock, including electric core stacking mechanism, integrated apron stop gear, utmost point ear stop gear, electric core stacking mechanism can pile up electric core, integrated apron stop gear can spacing integrated apron for the position of electric core, utmost point ear stop gear can spacing utmost point ear and the distance of the busbar of integrated apron. The tab limiting mechanism can ensure that the gap between the tab and the busbar meets the requirement, the tab can be subjected to laser welding without laser spot welding, the tab of the soft package module can be effectively fixed, and the welding efficiency is improved; pile up equipment with soft package module and utmost point ear welding integration is as a frock, has avoided transporting in the equipment, and whole work efficiency is high.

As an optimized technical scheme, the battery cell stacking mechanism comprises a main body frame, a width limiting plate, a supporting plate, a distance adjusting mechanism and an extrusion plate; the two width limiting plates are parallel to each other and are respectively and fixedly connected to the upper surface of the bottom of the main body frame; the two supporting plates are respectively positioned at two ends of the length direction of the main body frame and fixedly connected to the upper surface of the bottom of the main body frame, and the two extrusion plates are respectively installed on the two supporting plates through distance adjusting mechanisms. The width limiting plate can limit the length direction of the battery cell, and ensure that the tolerance of the width direction is within the range of the design requirement after the modules are stacked; the distance between the two extrusion plates can be adjusted according to the design size of the module through the distance adjusting mechanism, so that the assembly of modules with different sizes can be compatible.

As an optimized technical scheme, a pressure sensor is arranged on the supporting plate. Pressure sensor can detect module length direction's extrusion force.

According to the optimized technical scheme, a hand wheel is arranged on the distance adjusting mechanism. The position of the extrusion plate can be adjusted by rotating the hand wheel, and the operation is convenient.

As an optimized technical scheme, the integrated cover plate limiting mechanism is rod-shaped, the length direction of the integrated cover plate limiting mechanism is along the length direction of the main body frame, and two ends of the integrated cover plate limiting mechanism are fixedly connected with the two supporting plates respectively. Integrated apron stop gear supports integrated apron in can inserting the spacing hole on integrated apron upper portion, and spacing integrated apron ensures that integrated apron is unanimous at module width direction position for the position of electric core on the one hand, and on the other hand can ensure that utmost point ear is bent, not receive stress when flattening and welding.

As an optimized technical scheme, the lug limiting mechanism comprises a slide rail, a welding pressure head and a slide block; the two sliding rails are respectively positioned at the outer sides of the two limiting rods and fixedly connected to the upper surface of the bottom of the main body frame; the welding pressure head is in a shape like a Chinese character 'ji', the upper part of the welding pressure head spans the outer sides of the two limiting rods, and the two ends of the lower part of the welding pressure head are respectively in sliding fit with the two sliding rails through sliding blocks. The inner side surface of the welding pressure head can press the lug on the bus bar of the integrated cover plate, so that the gap between the lug and the bus bar is controlled within the process requirement range, the welding quality of the lug is ensured, and the qualification rate of the whole process is improved; the position of the welding pressure head can be adjusted according to the position of the pole lug, so that the pole lug welding of different soft package modules can be compatible.

As an optimized technical scheme, the battery cell stacking mechanism further comprises a plurality of pressing strips, and two ends of each pressing strip are fixedly connected with the two supporting plates respectively. The layering is used for the liquid cooling board of pressfitting module, ensures that the liquid cooling board does not arch.

As an optimized technical scheme, the battery cell stacking mechanism further comprises a bottom plate, a through mounting opening is formed in the middle of the main body frame, and the bottom plate is detachably and fixedly connected to the lower surface of the bottom of the main body frame and covers the mounting opening.

As an optimized technical scheme, the partition plate limiting mechanism comprises a plurality of sleeve rods which are arranged along the width direction of the main body frame in the length direction, one end of each sleeve rod is provided with an opening communicated with the inner cavity of the sleeve rod, and the other end of each sleeve rod is fixedly connected together through a connecting rod. During the electric core baffle inserted the loop bar that corresponds, avoid extrusion in-process electric core baffle to shift, carry out effectual spacing to the physical position of electric core baffle, ensure the uniformity of electric core baffle position.

As an optimized technical scheme, the supporting blocks are provided with a plurality of grooves through which the fork of the forklift can penetrate. The supporting block can be upwards supported below the battery cell stacking mechanism in a groove mode, so that the module can be conveniently turned over by using a forklift and manual combination, the feasibility of turning over the soft package module is realized, and meanwhile, the fatigue of staff is reduced; the supporting block continues to support the module after overturning, so that the module is convenient to transfer.

The utility model has the advantages that:

1. the tab limiting mechanism can ensure that the gap between the tab and the busbar meets the requirement, the tab can be subjected to laser welding without laser spot welding, the tab of the soft package module can be effectively fixed, and the welding efficiency is improved; pile up equipment with soft package module and utmost point ear welding integration is as a frock, has avoided transporting in the equipment, and whole work efficiency is high.

2. The width limiting plate can limit the length direction of the battery cell, the integrated cover plate limiting mechanism can ensure that the integrated cover plate is consistent in position in the width direction of the module, and the width direction tolerance is within the range of design requirements after the module is stacked.

3. The compatibility is good, and the distance between the two extrusion plates can be adjusted according to the design size of the module through the distance adjusting mechanism, so that the assembly of modules with different sizes can be compatible; the position of the welding pressure head can be adjusted according to the position of the pole lug, so that the pole lug welding of different soft package modules can be compatible.

4. The integrated cover plate limiting mechanism can ensure that the tab is not stressed during bending, leveling and welding; the inner side surface of the welding pressure head can press the lug on the bus bar of the integrated cover plate, so that the gap between the lug and the bus bar is controlled within the process requirement range, the welding quality of the lug is ensured, and the qualification rate of the whole manufacturing process is improved.

5. The bottom plate can bear upper part tool parts and modules when the bottom plate is arranged below, the upper cover plate of the module can be assembled by disassembling the bottom plate after overturning, and the operation is convenient.

6. The baffle stop gear carries out effectual spacing to the physical position of electric core baffle, ensures the uniformity of electric core baffle position.

7. When the soft package module is turned, the soft package module is inserted into the supporting block through the forklift and is manually combined for turning, so that the feasibility of turning the soft package module is realized, and meanwhile, the fatigue of staff is reduced; the supporting block continues to support the module after the upset, the transportation of the module of being convenient for.

Drawings

Fig. 1 is the utility model provides a soft packet of module piles up the assembly drawing of equipment and utmost point ear welding frock.

Fig. 2 is the utility model provides a soft packet of module piles up the explosion picture of equipment and utmost point ear welding frock.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. 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.

As shown in fig. 1 and 2, the embodiment of the utility model discloses a soft-packaged module piles up equipment and utmost point ear welding frock, including electric core stacking mechanism 1, baffle stop gear 2, integrated apron stop gear 3, utmost point ear stop gear 4, supporting shoe 5.

Electric core stacking mechanism 1 can pile up electric core, and baffle stop gear 2 can spacing electric core baffle's physical position, and integrated apron stop gear 3 can spacing integrated apron for the position of electric core, and utmost point ear stop gear 4 can spacing utmost point ear and the distance of the busbar of integrated apron, and supporting shoe 5 can support in the below of electric core stacking mechanism 1 in order to make things convenient for fork truck to fork.

The cell stacking mechanism 1 comprises a main body frame 11, a width limiting plate 12, a supporting plate 13, a distance adjusting mechanism 14, an extrusion plate 15, a pressing strip 16, a bottom plate 17 and a pressure sensor (not shown); the two width limiting plates 12 are parallel to each other and are respectively fixedly connected to the upper surface of the bottom of the main body frame 11, so that the length direction of the battery cell can be limited, and the tolerance of the width direction after the modules 6 are stacked is ensured to be within the range of the design requirement; the two supporting plates 13 are respectively positioned at two ends of the main body frame 11 in the length direction and fixedly connected to the upper surface of the bottom of the main body frame 11; the supporting plate 13 is provided with a pressure sensor which can detect the extrusion force in the length direction; the two extrusion plates 115 are respectively arranged on the two support plates 13 through the distance adjusting mechanism 14, the distance adjusting mechanism 14 is provided with a hand wheel, and the distance between the two extrusion plates 15 can be adjusted according to the design size of the module 6 through the distance adjusting mechanism 14, so that the assembly of modules with different sizes can be compatible; the pressing strips 16 are provided in plurality, two ends of each pressing strip 16 are fixedly connected with the two supporting plates 13 respectively, and the pressing strips 16 are used for pressing the liquid cooling plates of the module, so that the liquid cooling plates are ensured not to arch; the intermediate position of main body frame 11 is equipped with the installing port that runs through, and bottom plate 17 passes through bolt detachably fixed connection and covers at the bottom lower surface of main body frame 11 the installing port, bottom plate 17 can bear upper portion frock spare part and module 6 when the below, dismantle the upper cover plate that can assemble module 6, convenient operation with bottom plate 17 after the upset.

The partition plate limiting mechanism 2 comprises two sleeve rods which are arranged in the width direction of the main body frame 11 in the length direction, one end of each sleeve rod is provided with an opening communicated with the inner cavity of the sleeve rod, and the other end of each sleeve rod is fixedly connected together through a connecting rod.

The integrated cover plate limiting mechanism 3 is rod-shaped and is arranged along the length direction of the main body frame 11 in the length direction, and two ends of the integrated cover plate limiting mechanism 3 are fixedly connected with the two supporting plates 13 through bolts respectively.

The tab limiting mechanism 4 comprises a slide rail 41, a welding pressure head 42 and a slide block (not shown); the two slide rails 41 are respectively positioned at the outer sides of the two limiting rods and fixedly connected to the upper surface of the bottom of the main body frame 11; the welding pressure head 42 is shaped like a Chinese character 'ji', the upper part of the welding pressure head spans the outer sides of the two limiting rods, and the two ends of the lower part of the welding pressure head are respectively in sliding fit with the two slide rails 41 through slide blocks; the position of the welding pressure head 42 can be adjusted according to the position of the pole lug, so that the pole lug welding of different soft package modules can be compatible.

Supporting shoe 5 is equipped with a plurality ofly, is equipped with the recess that fork truck's fork can pass on supporting shoe 5.

The utility model discloses soft-packaged module piles up equipment and utmost point ear welding frock's theory of operation does: firstly, stacking battery cells into small modules by using a small module stacking tool, stacking the small modules on a battery cell stacking mechanism 1 to assemble a module 6, and limiting the width direction of the module 6 through a width limiting plate 12 to ensure the consistency of the size in the width direction; then assembling two battery core clapboards between the battery cores, wherein each battery core clapboard is inserted into the corresponding loop bar, so that the battery core clapboard is prevented from shifting in the extrusion process; then, assembling the front end plate and the rear end plate of the module 6 to two ends of the stacked battery cell along the length direction, and adjusting the distance between the two extrusion plates 15 by rotating the hand wheels of the two distance adjusting mechanisms 14 to ensure that the length size of the module 6 is matched with the designed length size; then, assembling the integrated cover plate on one side of the stacked battery cells along the width direction, wherein the tabs of the battery cells penetrate out of the integrated cover plate; then the integrated cover plate limiting mechanism 3 is inserted into a limiting hole at the upper part of the integrated cover plate and then fixedly connected to the two supporting plates 13 through bolts, on one hand, the integrated cover plate limiting mechanism 3 ensures that the positions of the integrated cover plate in the width direction of the module are consistent, on the other hand, the integrated cover plate can be supported, and the tabs are ensured not to be stressed during bending, leveling and welding; after the integrated cover plate is assembled, the lug is bent and leveled, the welding pressure head 42 is adjusted to the position corresponding to the lug along the slide rail 41, the lug is pressed on the busbar of the integrated cover plate by the inner side surface of the welding pressure head 42, the gap between the lug and the busbar meets the requirement, and welding is carried out according to the qualified welding parameters; after the welding of the lugs is finished, gluing is carried out on the liquid cooling plate according to the technological requirements, and the liquid cooling plate is clamped above each electric core at the moment after the gluing is finished; then pressing each pressing strip 16 above the liquid cooling plate and fixedly connecting the pressing strips to the two supporting plates 13 through bolts, wherein the supporting blocks 5 are arranged in a line and the grooves are upwards supported below the bottom plate 17, the fork of a forklift penetrates through the grooves to fork the battery cell stacking mechanism 1 together with the module 6, and the battery cell stacking mechanism and the module 6 are combined manually to turn over the battery cell stacking mechanism so that the bottom plate 17 faces upwards; and finally, dismantling the bolts on the bottom plate 17, assembling the upper cover plate of the module 6 above each electric core at the moment, and arranging each supporting block 5 into a line and upwards supporting the groove on the pressing strip 16, so that the module 6 is convenient to subsequently transfer.

The utility model discloses soft-packaged module piles up equipment and utmost point ear welding frock simple structure, the low price, and convenient operation has avoided because of there is not auxiliary fixtures lead to soft-packaged module upset difficulty, pile up big, utmost point ear rosin joint, explode bad phenomena such as some.

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. The utility model provides a soft packet of module piles up equipment and utmost point ear welding frock which characterized in that: including electric core stacking mechanism, integrated apron stop gear, utmost point ear stop gear, electric core stacking mechanism can pile up electric core, integrated apron stop gear can spacing integrated apron for the position of electric core, utmost point ear stop gear can spacing utmost point ear and the distance of the busbar of integrated apron.

2. The soft package module of claim 1 piles up equipment and utmost point ear welding frock, its characterized in that: the battery cell stacking mechanism comprises a main body frame, a width limiting plate, a supporting plate, a distance adjusting mechanism and an extrusion plate; the two width limiting plates are parallel to each other and are respectively and fixedly connected to the upper surface of the bottom of the main body frame; the two supporting plates are respectively positioned at two ends of the length direction of the main body frame and fixedly connected to the upper surface of the bottom of the main body frame, and the two extrusion plates are respectively installed on the two supporting plates through distance adjusting mechanisms.

3. The soft package module of claim 2 piles up equipment and utmost point ear welding frock, its characterized in that: and the supporting plate is provided with a pressure sensor.

4. The soft package module of claim 2 piles up equipment and utmost point ear welding frock, its characterized in that: and a hand wheel is arranged on the distance adjusting mechanism.

5. The soft package module of claim 2 piles up equipment and utmost point ear welding frock, its characterized in that: the integrated cover plate limiting mechanism is rod-shaped, the length direction of the integrated cover plate limiting mechanism is along the length direction of the main body frame, and two ends of the integrated cover plate limiting mechanism are fixedly connected with the two supporting plates respectively.

6. The soft package module of claim 5 piles up equipment and utmost point ear welding frock, its characterized in that: the lug limiting mechanism comprises a sliding rail, a welding pressure head and a sliding block; the two sliding rails are respectively positioned at the outer sides of the two limiting rods and fixedly connected to the upper surface of the bottom of the main body frame; the welding pressure head is in a shape like a Chinese character 'ji', the upper part of the welding pressure head spans the outer sides of the two limiting rods, and the two ends of the lower part of the welding pressure head are respectively in sliding fit with the two sliding rails through sliding blocks.

7. The soft package module of claim 2 piles up equipment and utmost point ear welding frock, its characterized in that: the battery cell stacking mechanism further comprises a plurality of pressing strips, and two ends of each pressing strip are fixedly connected with the two supporting plates respectively.

8. The soft package module of claim 2 piles up equipment and utmost point ear welding frock, its characterized in that: the battery cell stacking mechanism further comprises a bottom plate, a through mounting hole is formed in the middle of the main body frame, and the bottom plate is detachably and fixedly connected to the lower surface of the bottom of the main body frame and covers the mounting hole.

9. The soft package module of claim 2 piles up equipment and utmost point ear welding frock, its characterized in that: the battery cell stacking mechanism further comprises a partition plate limiting mechanism, the partition plate limiting mechanism comprises a plurality of length directions along the sleeve rods of the main body frame in the width direction, one end of each sleeve rod is provided with an opening communicated with the inner cavity of the sleeve rod, and the other end of each sleeve rod is fixedly connected together through a connecting rod.

10. The soft package module of claim 1 piles up equipment and utmost point ear welding frock, its characterized in that: the battery cell stacking mechanism further comprises a supporting block, the supporting block is provided with a plurality of grooves, and the supporting block is provided with a fork of a forklift which can penetrate through the grooves.