CN218460625U - Prevent that aluminium-plastic film that ftractures dashes shell mould - Google Patents

Abstract

The utility model provides a prevent aluminium-plastic film towards shell mould that ftractures, mould and punching press lower mould in the punching press, it fixes the below at the roof to go up the template, the punching press cylinder is fixed on the roof and power take off end down, the punching press head is worn to establish at last template and the power take off end of fixing at the punching press cylinder in upper end, the backup pad sets up two sets ofly and fixes both sides around the top of bottom plate respectively, both sides are fixed on two sets of backup pads and are pushed up with last template down around the template, the core is fixed on the template down and correspond the below at the punching press head, the cylinder that punches a hole is fixed on the bottom plate and power take off end up, be equipped with clearance hole down, clearance hole correspondence is in the core left side, it is equipped with to keep away the dead slot to go up the template lower extreme, cutter unit wears to establish clearance hole, the cutter unit lower extreme is fixed at the power take off end and the upper end correspondence of punching press a hole cylinder and is keeping away the dead slot, its advantage lies in having avoided the tensile stress on the aluminium-plastic film too big and the crackle appears, the breakage, and the yield is improved.

Description

Prevent that aluminium-plastic film that ftractures dashes shell mould

Technical Field

The utility model relates to a stamping die technical field, in particular to prevent aluminium-plastic film towards shell mould that ftractures.

Background

In the production process of the lithium ion battery, firstly, an aluminum-plastic film is molded into the shape of a battery shell, then a winding core is placed into the shell and then liquid is injected, in order to improve the efficiency of punching the shell by the aluminum-plastic film, generally, a mode of automatically conveying the aluminum-plastic film is adopted, so that the aluminum-plastic film passes through between an upper die and a lower die of a shell punching die, and the shape of the battery shell is quickly punched on the continuously conveyed aluminum-plastic film.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent that fracture plastic-aluminum membrane dashes shell mould in order to solve the problem of mentioning in the background art.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a prevent aluminium-plastic film towards shell mould that ftractures, mould and punching press lower mould in the punching press, the mould includes the roof in the punching press, go up the template, punching press cylinder and punching press head, it fixes the below at the roof to go up the template, punching press cylinder fixes on the roof and power take off end down, the power take off end at punching press cylinder is worn to establish in last template and upper end to the punching press head, the punching press lower mould includes the bottom plate, a supporting plate, lower template, the core, punching press cylinder and cutter unit spare, the backup pad sets up two sets ofly and fixes respectively in both sides around the top of bottom plate, both sides are fixed on two sets of backup pads and are touched with last template top down, the core is fixed on lower template and is corresponding in the below of punching press head, punching press cylinder fixes on the bottom plate and power take off end up, be equipped with the clearance hole down on the template, the clearance hole corresponds in the core left side, it is equipped with the clearance groove to go up the lower extreme, cutter unit spare wears to establish clearance hole, cutter unit spare lower extreme is fixed at the power take off end of punching press cylinder and the upper end corresponds in clearance groove.

To the further description of the present invention: cutter unit includes the connecting plate, a pedestal, first magnet, second magnet, third magnet, fourth magnet, splint and the blade that punches a hole, the connecting plate is fixed and is touched with lower template top at the power take off end and the upper end of the cylinder that punches a hole, the base corresponds in the top of connecting plate and corresponds in keeping away the dead hole, first magnet and second magnet are fixed both ends around the connecting plate respectively, third magnet and fourth magnet are fixed both ends around the base respectively, first magnet and third magnet magnetism are inhaled and are connected, second magnet and fourth magnet magnetism are inhaled and are connected, splint are fixed in the base top, the blade that punches a hole is fixed on splint, die-cut blade upper end is the cockscomb structure and corresponds and is keeping away the dead slot.

To the further description of the present invention: the core sets up two sets ofly, is equipped with the die cavity on the core, and a set of die cavity volume in the left side is less than in a set of die cavity volume in the right side, and punching press cylinder and punching press head respectively set up two sets ofly, and the lower terminal surface shape of two sets of punching press heads matches with two sets of die cavity shapes respectively.

To the further description of the present invention: the upper punching die further comprises guide pillars, the lower punching die further comprises guide sleeves, the guide sleeves are provided with four groups and fixed at four corners of the lower template, the guide pillars are provided with four groups and fixed at four corners of the lower portion of the upper template, and the guide pillars are arranged in the guide sleeves in a penetrating mode.

The utility model has the advantages that: through set up punching cylinder and cutter unit in punching press lower mould, after punching press upper die and punching press lower mould compound die, punch to the aluminium-plastic film by punching cylinder drive cutter unit earlier, carry out the punching press to the aluminium-plastic film again, form the pit with the matching of battery shell shape, when making the punching press, the aluminium-plastic film extends to the periphery of hole site directionally, the hole site is enlarged, the too big and crackle appears in the tensile stress on the aluminium-plastic film of having avoided, the damage, and the yields is improved, and simultaneously, this design is different from current perforating device, the syringe needle setting that current generally will punch is in the same side with the punching press head, operate with the punching press head together, however, in order to contact the aluminium-plastic film earlier than the punching press head, the syringe needle needs to be done very long, easy broken needle and unsafe, and this design sets up cutter unit in the homonymy with the punching press head, then above-mentioned problem has been avoided.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a structural diagram of the upper stamping die of the present invention;

FIG. 3 is a structural diagram of the lower stamping die of the present invention;

FIG. 4 is a block diagram of the cutter assembly of the present invention;

FIG. 5 is an exploded view of the cutter assembly of the present invention;

description of reference numerals:

1. stamping an upper die; 11. a top plate; 12. an upper template; 121. an empty avoiding groove; 13. punching a cylinder; 14. punching a head; 15. a guide post; 2. stamping a lower die; 21. a base plate; 22. a support plate; 23. a lower template; 231. Avoiding a void; 24. a core; 241. a cavity; 25. punching a cylinder; 26. a cutter assembly; 261. a connecting plate; 262. a base; 263. a first magnet; 264. a second magnet; 265. a third magnet;

266. a fourth magnet; 267. a splint; 268. a punching blade; 27. and (4) guiding a sleeve.

Detailed Description

The invention is further explained below with reference to the drawings:

as shown in fig. 1 to 5, an anti-cracking aluminum plastic film stamping shell mold comprises an upper stamping mold 1 and a lower stamping mold 2, wherein the upper stamping mold 1 comprises a top plate 11, an upper template 12, a stamping cylinder 13 and a stamping head 14, the upper template 12 is fixed below the top plate 11, the stamping cylinder 13 is fixed on the top plate 11 and the power output end faces downwards, the stamping head 14 penetrates through the upper template 12 and the upper end of the upper template is fixed at the power output end of the stamping cylinder 13, the lower stamping mold 2 comprises a bottom plate 21, a support plate 22, a lower template 23, a mold core 24, a stamping cylinder 25 and a cutter assembly 26, the support plate 22 is provided with two groups and fixed at the front side and the rear side above the bottom plate 21 respectively, the front side and the rear side of the lower template 23 are fixed on the two groups of support plates 22 and are in top contact with the upper template 12, the mold core 24 is fixed on the lower template 23 and corresponds to the lower side of the stamping head 14, the stamping cylinder 25 is fixed on the bottom plate 21 and the power output end faces upwards, a clearance hole 231 is provided on the lower template 23, the clearance hole 231 is provided on the left side of the mold core 24, a clearance groove 121 is provided at the lower end of the clearance hole 121.

The strip-shaped aluminum-plastic film is conveyed between an upper stamping die 1 and a lower stamping die 2 through automatic conveying equipment, the lower stamping die 2 firstly moves upwards to enable a lower shaping plate 23 to be in contact with the lower end face of the aluminum-plastic film, then the upper stamping die 1 moves downwards, an upper shaping plate 12 and the lower shaping plate 23 clamp the aluminum-plastic film, at the moment, a punching cylinder 25 drives a cutter assembly 26 to punch the aluminum-plastic film upwards, then, a stamping cylinder 13 drives a stamping head 14 to move downwards to enable the aluminum-plastic film to form a specific shape in a core 24, the punching cylinder 25 and the cutter assembly 26 are arranged on the lower stamping die 2, after the upper stamping die 1 and the lower stamping die 2 are combined, the cutter assembly 26 is driven by the punching cylinder 25 to punch the aluminum-plastic film, then the aluminum-plastic film is stamped to form a pit matched with the shape of a battery shell, the aluminum-plastic film directionally extends to the periphery of a hole position during stamping, the aluminum-plastic film is expanded, the phenomenon that the aluminum-plastic film is cracked and damaged due to overlarge tensile stress is avoided, and the good product rate is improved.

The cutter assembly 26 comprises a connecting plate 261, a base 262, a first magnet 263, a second magnet 264, a third magnet 265, a fourth magnet 266, a clamping plate 267 and a punching blade 268, wherein the connecting plate 261 is fixed at a power output end of the punching cylinder 25, the upper end of the connecting plate is in abutting contact with the lower template 23, the base 262 corresponds to the upper portion of the connecting plate 261 and corresponds to the clearance hole 231, the first magnet 263 and the second magnet 264 are respectively fixed at the front end and the rear end of the connecting plate 261, the third magnet 265 and the fourth magnet 266 are respectively fixed at the front end and the rear end of the base 262, the first magnet 263 is in magnetic attraction connection with the third magnet 265, the second magnet 264 and the fourth magnet 266 are in magnetic attraction connection, the clamping plate 267 is fixed above the base 262, the punching blade 268 is fixed on the clamping plate 267, and the upper end of the punching blade is in a zigzag shape and corresponds to the clearance groove 121.

Die-cut blade inserts and fixes in establishing the recess on splint 267, and the change of being convenient for, base 262 is inhaled with first magnet 263 and second magnet 264 magnetism respectively through third magnet 265 and fourth magnet 266 and is connected, can be convenient for the change of whole base 262, and convenient and fast, moreover, through the magnetism that sets up magnet, can make base 262 fix on connecting plate 261 according to a certain direction, plays the mistake proofing effect.

The core 24 is provided with two groups, the core 24 is provided with cavities 241, the volume of the left group of cavities 241 is smaller than that of the right group of cavities 241, the stamping cylinder 13 and the stamping head 14 are respectively provided with two groups, and the shapes of the lower end surfaces of the two groups of stamping heads 14 are respectively matched with the shapes of the two groups of cavities 241.

The punching press that can make the plastic-aluminum membrane divides two stages to move, and earlier left punching press 14 punches less pit in the plastic-aluminum membrane on, and the last pit shape that needs is punched out to rethread right punching press 14, can avoid disposable punching press to make the tensile stress of plastic-aluminum membrane too big and damage the plastic-aluminum membrane.

The upper stamping die 1 further comprises guide pillars 15, the lower stamping die 2 further comprises guide sleeves 27, the guide sleeves 27 are provided with four groups and fixed at four corners of the lower die plate 23, the guide pillars 15 are provided with four groups and fixed at four corners below the upper die plate 12, and the guide pillars 15 penetrate through the guide sleeves 27.

Through the cooperation of guide pillar 15 and guide pin bushing 27, the precision is higher when making punching press mould 1 and punching press lower mould 2 compound die, dislocation when avoiding the compound die.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims (4)

1. The utility model provides a prevent that fracture plastic-aluminum membrane dashes shell mould which characterized in that: mould and punching press lower mould in the punching press, mould includes roof, last template, punching press cylinder and punching press head in the punching press, it fixes to go up the template the below of roof, the punching press cylinder is fixed just power take off end down on the roof, the punching press head is worn to establish go up the template and the upper end is fixed the power take off end of punching press cylinder, the punching press lower mould includes bottom plate, backup pad, template, core, punching press cylinder and cutter unit down, the backup pad sets up two sets ofly and fixes respectively both sides around the top of bottom plate, both sides are fixed two sets of around the template on the backup pad and with go up the template top and touch, the core is fixed just correspond on the template down the below of punching press head, the cylinder that punches a hole is fixed on the bottom plate and power take off end up, be equipped with on the template down and keep away the dead hole, keep away the dead hole correspondence the core left side, it is equipped with and keeps away the dead slot to go up cutter unit, cutter unit wears to establish keep away the dead slot, the cutter unit lower extreme is fixed the dead slot is in the punching press cylinder and the upper end corresponds keep away the dead slot.

2. The anti-cracking aluminum plastic film shell punching die as claimed in claim 1, wherein: cutter unit includes connecting plate, base, first magnet, second magnet, third magnet, fourth magnet, splint and the blade of punching a hole, the connecting plate is fixed the power take off end and the upper end of the cylinder of punching a hole with lower template top is touched, the base corresponds the top of connecting plate and corresponds keep away in the dead hole, first magnet with second magnet is fixed respectively both ends around the connecting plate, third magnet with fourth magnet is fixed respectively both ends around the base, first magnet with the connection is inhaled to third magnet magnetism, second magnet with fourth magnet magnetism is inhaled the connection, splint are fixed the base top, the blade of punching a hole is fixed on the splint, the blade upper end of punching a hole is the cockscomb structure and is corresponded just keep away in the dead slot.

3. The anti-cracking aluminum plastic film shell punching die as claimed in claim 1, wherein: the stamping die comprises a stamping cylinder, stamping heads, two groups of stamping heads and two groups of mould cores, wherein the two groups of mould cores are arranged, the mould cores are provided with mould cavities, the volume of the left group of mould cavities is smaller than that of the right group of mould cavities, the stamping cylinder and the stamping heads are respectively provided with two groups, and the shapes of the lower end surfaces of the two groups of stamping heads are respectively matched with the shapes of the two groups of mould cavities.

4. The anti-cracking aluminum plastic film shell punching die as claimed in claim 1, wherein: the stamping upper die further comprises guide pillars, the stamping lower die further comprises guide sleeves, the guide sleeves are provided with four groups and fixed at four corners of the lower die plate, the guide pillars are provided with four groups and fixed at four corners below the upper die plate, and the guide pillars are arranged in the guide sleeves in a penetrating mode.

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