CN218611322U

CN218611322U - Inferior plain noodles mould of punching press battery apron connection piece

Info

Publication number: CN218611322U
Application number: CN202223157414.4U
Authority: CN
Inventors: 陈德存; 陈德文; 王军; 郑品
Original assignee: Shenzhen Yaluxing New Energy Materials Co ltd
Current assignee: Shenzhen Yaluxing New Energy Materials Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-03-14
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to a punching press battery apron connection piece matt surface mould technical field, and a punching press battery apron connection piece matt surface mould is disclosed, including the support column, the side fixed mounting of support column has elevating system, elevating system's output fixed mounting has the roof, the bottom fixed mounting of roof has last mould subassembly, the bottom fixed mounting of roof has four extrusion pipes, the below of going up mould subassembly is provided with the bottom plate, one row of horizontal equidistance screw hole that distributes is all seted up to the edge around the top of bottom plate, the utility model discloses in, form three kinds of surface structure at the substrate surface, be the circular pit that first lug suppression is respectively, the circular pit that the lug was pressed to the second to and the surface that first lug and second lug repeated suppression formed, through forming multiple surface structure, and the surface structure part overlap, form more coarse and the light reflectance is showing the surface structure that reduces, thereby effectively improve the laser welding effect.

Description

Inferior plain noodles mould of punching press battery apron connection piece

Technical Field

The utility model relates to a punching press battery apron connection piece matt surface mould technical field especially relates to a punching press battery apron connection piece matt surface mould.

Background

With the widespread popularization of lithium batteries, related parts of lithium batteries are rapidly developed, and in a structure of a lithium battery, one of the most core parts is a battery cover plate, which mainly plays a role in forming a sealed environment after being welded with a battery shell so as to encapsulate an electric core, electrolyte and the like inside.

However, due to the limitation of the tab leading-out mode and other factors, the design of the battery cover plate structure is difficult to realize that the tab of the battery core is directly electrically connected with the pole on the battery cover plate, so that the adapter sheet is often selected for switching, the tab in the internal space of the battery is considered due to the extreme utilization, and after the adapter sheet is electrically connected with the tab of the battery core, the adapter sheet needs to be properly folded, so that the adapter sheet is expected to be flexible and foldable.

However, in the actual research process, the inventor finds that in the process of realizing the soft connection and the welding of the post body, in order to realize reliable electrical connection, a commonly adopted laser welding mode easily causes laser reflection due to a smooth surface of metal, and particularly has the most significant influence on a copper material of a negative electrode, so that the laser welding effect between the negative electrode soft connection and the post is influenced, so that the surface of the soft connection needs to be subjected to calendaring treatment.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problem existing in the prior art and provides a stamping battery cover plate connecting piece matt surface die.

In order to realize the purpose, the utility model adopts the following technical scheme that the matt surface die for the connecting sheet of the stamping battery cover plate comprises a supporting column, a lifting mechanism is fixedly arranged on the side surface of the supporting column, a top plate is fixedly arranged at the output end of the lifting mechanism, an upper die assembly is fixedly arranged at the bottom of the top plate, four extrusion tubes are fixedly arranged at the bottom of the top plate, a bottom plate is arranged below the upper die assembly, a row of threaded holes which are distributed transversely and equidistantly are arranged at the front edge and the rear edge of the top of the bottom plate, first guide pillars are fixedly arranged at the positions, corresponding to the extrusion tubes, at the top of the bottom plate, the side wall surface of each first guide pillar is sleeved with a first spring, the side wall surface of each first guide pillar is sleeved with a first extrusion cylinder, the first extrusion cylinders are positioned above the first springs, and each first extrusion cylinder is fixedly connected with the adjacent first springs, the top fixed mounting of bottom plate has lower module, four guiding grooves have been seted up at lower module's top, the equal fixed mounting in the position that corresponds every guiding groove in the bottom of last module has the second guide pillar, the lateral wall face of every second guide pillar all overlaps and is equipped with the second spring, the lateral wall face of every second guide pillar all overlaps and is equipped with the second recipient, the second recipient is located the below of second spring, every second recipient all links to each other with adjacent second spring is fixed, lower module's top fixed mounting has two rows of horizontal equidistance distribution's the positive piece of leading, the bottom fixed mounting of last module has first rectangular plate, the bottom fixed mounting of first rectangular plate has a plurality of first lugs that are the distribution of rectangle array, the bottom fixed mounting of last module has the second rectangular plate, the bottom fixed mounting of second rectangular plate has a plurality of second lugs that are the distribution of rectangle array.

Preferably, two rows of guide blocks which are transversely distributed at equal intervals are fixedly arranged at the top of the lower die assembly.

Preferably, the first bump is a hemisphere with a diameter of 0.4-0.7 mm.

Preferably, the second bump is a hemisphere with a diameter of 0.8-1.2 mm.

Preferably, the positions of the spherical center axes of the first bump and the second bump are in one-to-one correspondence.

Advantageous effects

The utility model provides a punching press battery apron connection piece matt surface mould. The method has the following beneficial effects:

(1) The matte surface die for the connecting sheet of the stamping battery cover plate comprises the following steps of firstly selecting a copper plate with the thickness of 0.8mm as a flexible connecting substrate of the battery cover plate, carrying out laser cutting, carrying out acid pickling to remove a surface oxide layer, removing surface oil stains by using acetone, then carrying out deionized water cleaning twice, fixing a bottom plate by matching a threaded hole with a fastener, conveying the substrate to a position between two rows of guide blocks by using a conveying mechanism after the substrate is dried, starting a lifting mechanism, driving a top plate to move downwards by using the lifting mechanism, driving an upper die assembly to move downwards by using the top plate, driving a first rectangular plate to move downwards by using the upper die assembly, driving a first lug to move downwards by using the first rectangular plate, sleeving each extrusion tube outside the first extrusion tube below, extruding the first extrusion tube downwards, extruding a first spring downwards by using the first extrusion tube, and arranging each second extrusion tube inside a guide groove below, the second extrusion cylinder is extruded to extrude a second spring upwards, the battery cover plate flexible connection base material is pressed by a first lug, the pressing pressure is controlled to be 5.2MPa, after the pressure is maintained for 10s, the lifting mechanism drives the top plate to move upwards, the top plate drives the upper die assembly to move upwards, the upper die assembly drives the first rectangular plate to move upwards, the first rectangular plate drives the first lug to move upwards, when the lifting mechanism drives the top plate to move upwards, the conveying mechanism simultaneously moves the base material to one end away from the conveying mechanism, when the lifting mechanism drives the top plate to rise to the highest point, the lifting mechanism drives the top plate to move downwards, the top plate drives the upper die assembly to move downwards, the upper die assembly drives the second rectangular plate to move downwards, the second rectangular plate drives the second lug to move downwards, and the battery cover plate flexible connection base material is pressed by the second lug, controlling the pressing pressure to be 5.2MPa, keeping the pressure for 10s, forming a pit on the surface of the base material by pressing the first bump and the second bump, forming a relative circular pit on the surface of the base material by the first bump which is hemispherical with the diameter of 0.4-0.7mm when the first bump is used for pressing the battery cover plate flexible connection base material, then moving the base material to one end away from the conveying mechanism by the conveying mechanism simultaneously to enable the axis of the sphere center of the circular pit on the surface of the base material to coincide with the axis of the sphere center of the second bump, pressing the battery cover plate flexible connection base material by the second bump which is hemispherical with the diameter of 0.8-1.2mm, the second bump is used for pressing a new circular pit again on the basis of the original circular pit, the diameter of the second bump is larger than that of the first bump, the circular pits pressed by the second bump are covered with the circular pits pressed by the first bump to form a plurality of concentric circular pits, three surface structures are formed on the surface of the substrate, namely the circular pits pressed by the first bump, the circular pits pressed by the second bump and the surfaces formed by repeated pressing of the first bump and the second bump are formed, various surface structures are formed, and the surface structures are partially overlapped to form a surface structure which is rougher and the reflection rate of the laser is obviously reduced, so that the laser welding effect is effectively improved.

(2) This a punching press battery apron connection piece matt surface mould, when the second lug is suppressed battery apron flexible coupling substrate, go up the mould subassembly and will realize cutting the substrate through cutting mechanism, when elevating system drives the roof and move down to the minimum, elevating system drives the roof rebound again, the roof drives mould subassembly rebound, meanwhile conveying mechanism moves the substrate to the one end of keeping away from conveying mechanism, the substrate after the cutting is accomplished will drop out through first discharge opening and second discharge opening, the leftover bits will be released the lower mould subassembly surface by conveying mechanism's substrate that does not utilize.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, proportion, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and the modification of any structure, the change of proportion relation or the adjustment of size all fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the purpose which can be achieved by the present invention.

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

FIG. 2 is a bottom view of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;

fig. 4 is an enlarged view of the invention at B in fig. 2.

Illustration of the drawings:

1. a support column; 2. a lifting mechanism; 3. a top plate; 4. an upper die assembly; 5. extruding the tube; 6. a base plate; 7. a threaded hole; 8. a first guide post; 9. a first spring; 10. a first extrusion cylinder; 11. a lower die assembly; 12. a guide groove; 13. a second guide post; 14. a second spring; 15. a second extrusion cylinder; 16. a guide block; 17. a first discharge opening; 18. a second discharge opening; 19. a first rectangular plate; 20. a first bump; 21. a second rectangular plate; 22. and a second bump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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 work belong to the protection scope of the present invention.

Example (b): a stamping battery cover plate connecting sheet matt surface die is shown in figures 1-4 and comprises a support column 1, wherein a lifting mechanism 2 is fixedly installed on the side surface of the support column 1, a top plate 3 is fixedly installed at the output end of the lifting mechanism 2, an upper die assembly 4 is fixedly installed at the bottom of the top plate 3, four extrusion tubes 5 are fixedly installed at the bottom of the top plate 3, a bottom plate 6 is arranged below the upper die assembly 4, a row of threaded holes 7 which are distributed in a transverse and equidistant mode are formed in the front edge and the rear edge of the top of the bottom plate 6, first guide pillars 8 are fixedly installed at positions, corresponding to the extrusion tubes 5, of the top of the bottom plate 6, first springs 9 are sleeved on the side wall surfaces of the first guide pillars 8, a first extrusion cylinder 10 is sleeved on the side wall surface of each first guide pillar 8, the first extrusion cylinder 10 is located above the first springs 9, and each first extrusion cylinder 10 is fixedly connected with the adjacent first spring 9, the top of the bottom plate 6 is fixedly provided with a lower die component 11, the top of the lower die component 11 is provided with four guide grooves 12, the bottom of the upper die component 4 is fixedly provided with a second guide post 13 corresponding to each guide groove 12, the side wall surface of each second guide post 13 is sleeved with a second spring 14, the side wall surface of each second guide post 13 is sleeved with a second extrusion cylinder 15, the second extrusion cylinders 15 are positioned below the second springs 14, each second extrusion cylinder 15 is fixedly connected with the adjacent second springs 14, the top of the lower die component 11 is fixedly provided with two rows of guide blocks 16 which are transversely distributed at equal intervals, the bottom of the upper die component 4 is fixedly provided with a first rectangular plate 19, the bottom of the first rectangular plate 19 is fixedly provided with a plurality of first convex blocks 20 which are distributed in a rectangular array, the first convex blocks 20 are hemispheric with the diameter of 0.4-0.7mm, the bottom of the upper die component 4 is fixedly provided with a second rectangular plate 21, the bottom of the second rectangular plate 21 is fixedly provided with a plurality of second bumps 22 distributed in a rectangular array, the second bumps 22 are hemispheric with a diameter of 0.8-1.2mm, and the positions of the center axes of the first bumps 20 correspond to the positions of the center axes of the second bumps 22 one by one.

The utility model discloses a theory of operation:

further, firstly, a copper plate with the thickness of 0.8mm is selected as a battery cover plate flexible connection substrate, after laser cutting, a surface oxidation layer is removed by acid washing, surface oil stains are removed by acetone, then the copper plate is washed twice by deionized water, meanwhile, the bottom plate 6 is fixed by matching of the threaded hole 7 and a fastener, after the substrate is dried, the substrate is conveyed to a position between two rows of guide blocks 16 through a conveying mechanism, the lifting mechanism 2 is started, the top plate 3 is driven to move downwards by the lifting mechanism 2, the top plate 3 drives the upper die assembly 4 to move downwards, the upper die assembly 4 drives the first rectangular plate 19 to move downwards, the first rectangular plate 19 drives the first bump 20 to move downwards, meanwhile, each extrusion tube 5 is sleeved outside the first extrusion cylinder 10 below, the extrusion tubes 5 extrude the first extrusion cylinder 10 downwards, the first extrusion cylinder 10 extrudes the first spring 9 downwards, and each second extrusion cylinder 15 is arranged in the lower guide groove 12, the second extrusion cylinders 15 are extruded to extrude the second springs 14 upwards, the first bumps 20 are utilized to press the battery cover plate flexible connection base material, the pressing pressure is controlled to be 5.2MPa, after the pressure is maintained for 10s, the lifting mechanism 2 drives the top plate 3 to move upwards, the top plate 3 drives the upper die assembly 4 to move upwards, the upper die assembly 4 drives the first rectangular plate 19 to move upwards, the first rectangular plate 19 drives the first bumps 20 to move upwards, when the lifting mechanism 2 drives the top plate 3 to move upwards, the conveying mechanism simultaneously moves the base material to one end far away from the conveying mechanism, when the lifting mechanism 2 drives the top plate 3 to rise to the highest point, the lifting mechanism 2 drives the top plate 3 to move downwards, the top plate 3 drives the upper die assembly 4 to move downwards, the upper die assembly 4 drives the second rectangular plate 21 to move downwards, the second rectangular plate 21 drives the second bumps 22 to move downwards, the method comprises the steps of pressing a soft connection base material for the battery cover plate by using a second bump 22, controlling the pressing pressure to be 5.2MPa, maintaining the pressure for 10s, forming pits on the surface of the base material by pressing a first bump 20 and a second bump 22, enabling the first bump 20 to be hemispherical with the diameter of 0.4-0.7mm when the soft connection base material for the battery cover plate is pressed by using the first bump 20, forming opposite circular pits on the surface of the base material, enabling the center axis of the circular pit on the surface of the base material to be coincident with the center axis of the second bump 22 by moving the base material to the end far away from a conveying mechanism at the same time by using the conveying mechanism, pressing the soft connection base material for the battery cover plate by using the second bump 22, enabling the second bump 22 to be hemispherical with the diameter of 0.8-1.2mm, pressing a new circular pit on the basis of the original circular pit by using the second bump 22 again, enabling the diameter of the second bump 22 to be larger than that the diameter of the first bump 20 is completely covered by the multiple pits formed on the original circular pit, forming a plurality of the pits on the surface of the base material, forming a more rough concentric pit structure by pressing the second bump 22, and improving the effective pressing effect of the pits formed by using the second bump 22 and the laser welding structure formed by using the third bump, and the third bump.

Further, when the second bump 22 presses the battery cover plate flexible connection substrate, the upper die assembly 4 cuts the substrate through the cutting mechanism, when the lifting mechanism 2 drives the top plate 3 to move downwards to the lowest point, the lifting mechanism 2 drives the top plate 3 to move upwards, the top plate 3 drives the upper die assembly 4 to move upwards, meanwhile, the conveying mechanism moves the substrate to one end far away from the conveying mechanism, the cut substrate drops out through the first discharge opening 17 and the second discharge opening 18, and leftover materials are pushed out of the surface of the lower die assembly 11 by the conveying mechanism through the uncut substrate.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a punching press battery apron connection piece matt surface mould, includes support column (1), and the side fixed mounting of support column (1) has elevating system (2), its characterized in that: a top plate (3) is fixedly installed at the output end of the lifting mechanism (2), an upper die assembly (4) is fixedly installed at the bottom of the top plate (3), four extrusion tubes (5) are fixedly installed at the bottom of the top plate (3), a bottom plate (6) is arranged below the upper die assembly (4), a row of threaded holes (7) distributed in a transverse and equidistant mode are formed in the front edge and the rear edge of the top of the bottom plate (6), first guide pillars (8) are fixedly installed at positions, corresponding to the extrusion tubes (5), of the top of the bottom plate (6), first springs (9) are sleeved on side wall surfaces of the first guide pillars (8), first extrusion cylinders (10) are sleeved on the side wall surfaces of the first guide pillars (8), the first extrusion cylinders (10) are located above the first springs (9), each first extrusion cylinder (10) is fixedly connected with the adjacent first springs (9), a lower die assembly (11) is fixedly installed at the top of the bottom plate (6), four guide grooves (12) are formed in the top of the lower die assembly (11), a position, a second guide pillar (13) is fixedly installed at a position, a second extrusion cylinder (13) is sleeved on the position, a second extrusion cylinder (13) below the second guide pillar (13) is located below the second extrusion cylinder (13), every second recipient (15) all links to each other with adjacent second spring (14) is fixed, and the bottom fixed mounting who goes up mould assembly (4) has first rectangular plate (19), and the bottom fixed mounting of first rectangular plate (19) has a plurality of first lugs (20) that are the distribution of rectangle array, and the bottom fixed mounting who goes up mould assembly (4) has second rectangular plate (21), and the bottom fixed mounting of second rectangular plate (21) has a plurality of second lugs (22) that are the distribution of rectangle array.

2. The stamping battery cover plate connecting piece matt surface die as claimed in claim 1, wherein: two rows of guide blocks (16) which are transversely distributed at equal intervals are fixedly arranged at the top of the lower die component (11).

3. The stamping battery cover plate connecting piece matt surface die as claimed in claim 1, wherein: the first bump (20) is hemispherical with a diameter of 0.4-0.7 mm.

4. The matte side die for stamping the battery cover plate connecting sheet according to claim 1, wherein: the second bump (22) is a hemisphere with a diameter of 0.8-1.2 mm.

5. The matte side die for stamping the battery cover plate connecting sheet according to claim 1, wherein: the positions of the spherical center axes of the first lug (20) and the second lug (22) are in one-to-one correspondence.