Double-channel battery case production equipment

Abstract

The utility model discloses a double-channel battery case production device which comprises a punch press upper sliding block, a punch press lower platen, a first cup punching die, a second cup punching die, a first trimming die, a second trimming die, at least one first stretching die and at least one second stretching die. Wherein the first cup punching die and the second cup punching die are arranged in parallel, the first drawing die is arranged between the first cup punching die and the first trimming die, and the second drawing die is arranged between the second cup punching die and the second trimming die. The first cup punching die is internally provided with a first cup punching upper die, a first cup punching lower die located below the first cup punching upper die and a first cup punching interval located between the first cup punching upper die and the first cup punching lower die. The double-channel design is adopted, the two production channels capable of producing the battery shell in a stamping mode are arranged, the productivity of equipment can be improved, and the production efficiency of the battery shell is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a double -channel battery shell production equipment. BACKGROUND

[0002] At present, square aluminum battery shell is widely used in new energy battery field, and the market prospect is very broad, the demand increases day by day, therefore the demand of battery shell production equipment on market also increases day by day, and the specific structure of a battery shell production equipment is disclosed in the Chinese patent with the announcement number CN207255054U and the Chinese patent with the announcement number CN218744345U.But, the battery shell production equipment of prior art mostly adopts single -channel design, i. e. only one production channel that can stamping production battery shell, and then lead to the low equipment productivity, the production efficiency of battery shell is low. SUMMARY

[0003] The utility model solves the technical problem that the prior art is overcome, provides a double -channel battery shell production equipment, it adopts double -channel design, has two production channels that can stamping production battery shell, can improve the productivity of equipment, improves the production efficiency of battery shell.

[0004] In order to solve the above technical problem, the technical scheme of the utility model is: a double -channel battery shell production equipment, including punch upper slide block, punch lower platform, first punch cup mould, second punch cup mould, first trimming die, second trimming die, at least one first stretching die and at least one second stretching die;

[0005] The first punch cup mould and the second punch cup mould are arranged side by side;

[0006] The first stretching die is arranged between the first punch cup mould and the first trimming die;

[0007] The second stretching die is arranged between the second punch cup mould and the second trimming die;

[0008] The first punch cup mould has a first punch cup upper die, a first punch cup lower die below the first punch cup upper die and a first punch cup interval between the first punch cup upper die and the first punch cup lower die;

[0009] The first stretching die has a first stretching upper die, a first stretching lower die below the first stretching upper die and a first stretching interval between the first stretching upper die and the first stretching lower die;

[0010] The first trimming die has a first trimming upper die, a first trimming lower die below the first trimming upper die and a first trimming interval between the first trimming upper die and the first trimming lower die.

[0011] The first cup upper die is connected to the upper slide of the punch, the first cup lower die is connected to the lower platen of the punch, a part of the material belt passes through the first cup interval, the first cup upper die is used for closing with the first cup lower die when the upper slide of the punch is pressed down, so as to punch and form the material belt into a first cup body, and the first cup body is used for being sequentially conveyed into the first stretching interval and the first trimming interval;

[0012] The first stretching upper die is connected to the upper slide of the punch, the first stretching lower die is connected to the lower platen of the punch, and the first stretching upper die is used for closing with the first stretching lower die when the upper slide of the punch is pressed down, so as to punch and stretch the first cup body in the first stretching interval;

[0013] The first trimming upper die is connected to the upper slide of the punch, the first trimming lower die is connected to the lower platen of the punch, and the first trimming upper die is used for closing with the first trimming lower die when the upper slide of the punch is pressed down, so as to punch and cut off the waste edge on the first cup body in the first trimming interval to obtain a battery shell;

[0014] The second cup upper die is connected to the upper slide of the punch, the second cup lower die is connected to the lower platen of the punch, and the second cup interval is located between the second cup upper die and the second cup lower die;

[0015] The second stretching upper die is connected to the upper slide of the punch, the second stretching lower die is connected to the lower platen of the punch, and the second stretching interval is located between the second stretching upper die and the second stretching lower die;

[0016] The second trimming upper die is connected to the upper slide of the punch, the second trimming lower die is connected to the lower platen of the punch, and the second trimming interval is located between the second trimming upper die and the second trimming lower die;

[0017] The second cup upper die is connected to the upper slide of the punch, the second cup lower die is connected to the lower platen of the punch, another part of the material belt passes through the second cup interval, the second cup upper die is used for closing with the second cup lower die when the upper slide of the punch is pressed down, so as to punch and form the material belt into a second cup body, and the second cup body is used for being sequentially conveyed into the second stretching interval and the second trimming interval;

[0018] The second stretching upper die is connected to the upper slide of the punch, the second stretching lower die is connected to the lower platen of the punch, and the second stretching upper die is used for closing with the second stretching lower die when the upper slide of the punch is pressed down, so as to punch and stretch the second cup body in the second stretching interval.

[0019] The second trimming upper die is connected to the upper slide of the punch, the second trimming lower die is connected to the lower platen of the punch, and the second trimming upper die is used to combine with the second trimming lower die when the upper slide of the punch is pressed down, so as to trim and cut off the scrap edge on the second cup in the second trimming interval to obtain the battery shell.

[0020] Further, the first cup-punching die is arranged side by side on the right side of the second cup-punching die.

[0021] The first trimming die is located on the right side of the first cup-punching die.

[0022] The second trimming die is located on the left side of the second cup-punching die.

[0023] The first stretching die is provided with at least two and arranged in sequence along the left-right direction between the first cup-punching die and the first trimming die.

[0024] The second stretching die is provided with at least two and arranged in sequence along the left-right direction between the second cup-punching die and the second trimming die.

[0025] Further, the double-channel battery shell production equipment further comprises:

[0026] The first carrying manipulator is used to carry and transport the first cup in the first cup-punching interval from left to right in sequence into each first stretching interval and then carry and transport the first cup into the first trimming interval.

[0027] The second carrying manipulator is used to carry and transport the second cup in the second cup-punching interval from right to left in sequence into each second stretching interval and then carry and transport the second cup into the second trimming interval.

[0028] Further, the double-channel battery shell production equipment further comprises a first scrap edge conveyor, a first product conveyor, a second scrap edge conveyor and a second product conveyor.

[0029] The first carrying manipulator is further used to carry the battery shell obtained in the first trimming interval onto the first product conveyor and carry the scrap edge cut off in the first trimming interval onto the first scrap edge conveyor.

[0030] The second carrying manipulator is further used to carry the battery shell obtained in the second trimming interval onto the second product conveyor and carry the scrap edge cut off in the second trimming interval onto the second scrap edge conveyor.

[0031] Further, the first scrap edge conveyor and the first product conveyor are both located on the right side of the first trimming die, and the second scrap edge conveyor and the second product conveyor are both located on the left side of the second trimming die.

[0032] Further, the first scrap edge conveyor and the second scrap edge conveyor respectively extend in the left-right direction, and the first product conveyor and the second product conveyor respectively extend in the front-rear direction.

[0033] Further, the double-channel battery shell production device further comprises an unwinding machine.

[0034] The unwinding machine is provided with a material roll, and is used to release the material belt in the material roll so that the released material belt passes through the first cup punching interval and the second cup punching interval.

[0035] Further, the double-channel battery shell production device further comprises a leveling feeder for conveying and leveling the material belt, and the material belt released by the unwinding machine passes through the leveling feeder and then passes through the first cup punching interval and the second cup punching interval.

[0036] Further, the double-channel battery shell production device further comprises a waste cutting mechanism for cutting the waste material belt after punching and cutting, and the material belt passes through the first cup punching interval and the second cup punching interval and then extends into the waste cutting mechanism.

[0037] Further, a specific structure of the waste cutting mechanism is further provided, which comprises a mounting frame, an upper cutting knife, a lower cutting knife, and a pneumatic cylinder.

[0038] The lower cutting knife is fixedly connected to the mounting frame.

[0039] The upper cutting knife is slidingly connected to the mounting frame, and the waste material belt passes between the upper cutting knife and the lower cutting knife.

[0040] The pneumatic cylinder is connected to the mounting frame and connected to the upper cutting knife, and is used to drive the upper cutting knife to move up and down to cut the waste material belt.

[0041] After adopting the above technical solution, the dual-channel battery casing production equipment of this application embodiment has two production channels capable of stamping and producing battery casings. One production channel is as follows: the first upper die and the first lower die of the first punching cup are closed to punch and form a first cup body. The first cup body is used to be sequentially conveyed to a first stretching interval and a first trimming interval. The first upper die and the first lower die of the first stretching cup are closed to punch and stretch the first cup body in the first stretching interval. The first upper die and the first lower die of the first trimming cup are closed to punch and remove the waste material on the first cup body in the first trimming interval to obtain a battery casing. The other production channel is as follows: the second upper die and the second lower die of the second punching cup are closed to punch and form a second cup body. The second cup body is used to be sequentially conveyed to a second stretching interval and a second trimming interval. The second upper die and the second lower die of the second stretching cup are closed to punch and stretch the second cup body in the second stretching interval. The second upper die and the second lower die of the second trimming cup are closed to punch and remove the waste material on the second cup body in the second trimming interval to obtain a battery casing. The dual-channel design greatly improves the equipment's capacity and the production efficiency of battery casings. Furthermore, the punch press experiences more balanced force during production, resulting in higher system production speed, better system stability, and a longer service life. Attached Figure Description

[0042] Figure 1 This is a front view of the dual-channel battery casing production equipment of this utility model.

[0043] Figure 2 This is a top view of the dual-channel battery casing production equipment of this utility model. Detailed Implementation

[0044] To make the contents of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0045] like Figure 1 , 2 As shown, a dual-channel battery casing production equipment includes a slide block 1 on a punch press, a lower punch press plate 2, a first punching mold 10, a second punching mold 20, a first trimming mold 30, a second trimming mold 40, at least one first stretching mold 50, and at least one second stretching mold 60.

[0046] The first cup-making mold 10 and the second cup-making mold 20 are arranged side by side;

[0047] The first stretching die 50 is disposed between the first cup-pouring die 10 and the first trimming die 30;

[0048] The second stretching die 60 is disposed between the second cup-pouring die 20 and the second trimming die 40;

[0049] The first cupping die 10 has a first cupping upper die 11, a first cupping lower die 12 below the first cupping upper die 11, and a first cupping spacer 13 between the first cupping upper die 11 and the first cupping lower die 12;

[0050] The first stretching die 50 has a first stretching upper die 51, a first stretching lower die 52 below the first stretching upper die 51, and a first stretching spacer 53 between the first stretching upper die 51 and the first stretching lower die 52;

[0051] The first trimming die 30 has a first trimming upper die 31, a first trimming lower die 32 below the first trimming upper die 31, and a first trimming spacer 33 between the first trimming upper die 31 and the first trimming lower die 32;

[0052] The first cupping upper die 11 is connected to the upper slide 1 of the punch press, the first cupping lower die 12 is connected to the lower platen 2 of the punch press, a part of the material belt passes through the first cupping spacer 13, the first cupping upper die 11 is used to close with the first cupping lower die 12 when the upper slide 1 of the punch press is pressed down, thereby forming a first cup body by punching and cutting the material belt, and the first cup body is used to be sequentially conveyed into the first stretching spacer 53 and the first trimming spacer 33;

[0053] The first stretching upper die 51 is connected to the upper slide 1 of the punch press, the first stretching lower die 52 is connected to the lower platen 2 of the punch press, and the first stretching upper die 51 is used to close with the first stretching lower die 52 when the upper slide 1 of the punch press is pressed down, thereby stretching the first cup body in the first stretching spacer 53 by punching;

[0054] The first trimming upper die 31 is connected to the upper slide 1 of the punch press, the first trimming lower die 32 is connected to the lower platen 2 of the punch press, and the first trimming upper die 31 is used to close with the first trimming lower die 32 when the upper slide 1 of the punch press is pressed down, thereby cutting and removing the waste material on the first cup body in the first trimming spacer 33 to obtain a battery shell;

[0055] The second cupping die 20 has a second cupping upper die 21, a second cupping lower die 22 below the second cupping upper die 21, and a second cupping spacer 23 between the second cupping upper die 21 and the second cupping lower die 22;

[0056] The second stretching die 60 has a second stretching upper die 61, a second stretching lower die 62 below the second stretching upper die 61, and a second stretching spacer 63 between the second stretching upper die 61 and the second stretching lower die 62;

[0057] The second trimming die 40 has a second trimming upper die 41, a second trimming lower die 42 located below the second trimming upper die 41, and a second trimming spacer 43 located between the second trimming upper die 41 and the second trimming lower die 42;

[0058] The second cupping upper die 21 is connected to the upper slide 1 of the punch press, the second cupping lower die 22 is connected to the lower platen 2 of the punch press, another part of the material strip passes through the second cupping spacer 23, the second cupping upper die 21 is used to close with the second cupping lower die 22 when the upper slide 1 of the punch press is pressed down, so as to punch and form the material strip into a second cup body, and the second cup body is used to be sequentially conveyed into the second stretching spacer 63 and the second trimming spacer 43;

[0059] The second stretching upper die 61 is connected to the upper slide 1 of the punch press, the second stretching lower die 62 is connected to the lower platen 2 of the punch press, and the second stretching upper die 61 is used to close with the second stretching lower die 62 when the upper slide 1 of the punch press is pressed down, so as to punch and stretch the second cup body in the second stretching spacer 63;

[0060] The second trimming upper die 41 is connected to the upper slide 1 of the punch press, the second trimming lower die 42 is connected to the lower platen 2 of the punch press, and the second trimming upper die 41 is used to close with the second trimming lower die 42 when the upper slide 1 of the punch press is pressed down, so as to punch and cut off the waste material on the second cup body in the second trimming spacer 43 to obtain a battery shell.

[0061] Specifically, the double-channel battery shell production equipment has two production channels capable of stamping production of battery shells. One production channel is that the first cup upper die 11 and the first cup lower die 12 can be closed to punch and cut the material belt to form a first cup body, the first cup body is used to be sequentially conveyed to the first stretching interval 53 and the first edge cutting interval 33, the first stretching upper die 51 and the first stretching lower die 52 can be closed to stamp and stretch the first cup body in the first stretching interval 53, and the first edge cutting upper die 31 and the first edge cutting lower die 32 can be closed to punch and cut off the waste edge material on the first cup body in the first edge cutting interval 33 to obtain a battery shell. The other production channel is that the second cup upper die 21 and the second cup lower die 22 can be closed to punch and cut the material belt to form a second cup body, the second cup body is used to be sequentially conveyed to the second stretching interval 63 and the second edge cutting interval 43, the second stretching upper die 61 and the second stretching lower die 62 can be closed to stamp and stretch the second cup body in the second stretching interval 63, and the second edge cutting upper die 41 and the second edge cutting lower die 42 can be closed to punch and cut off the waste edge material on the second cup body in the second edge cutting interval 43 to obtain a battery shell. The double-channel design greatly improves the production capacity of the equipment, improves the production efficiency of the battery shell, and makes the press force more balanced during production, the system production speed higher, the system stability better, and the service life longer. In this embodiment, the specific structures of the first cup die 10, the second cup die 20, the first edge cutting die 30, the second edge cutting die 40, the first stretching die 50, and the second stretching die 60 are all prior art, and will not be described in detail in this embodiment.

[0062] As shown in Figure 1 、 2 , the first cup die 10 can be arranged side by side on the right side of the second cup die 20;

[0063] The first edge cutting die 30 is located on the right side of the first cup die 10;

[0064] The second edge cutting die 40 is located on the left side of the second cup die 20;

[0065] The first stretching die 50 is provided with at least two and arranged in sequence along the left-right direction between the first cup die 10 and the first edge cutting die 30;

[0066] The second stretching die 60 is provided with at least two and arranged in sequence along the left-right direction between the second cup die 20 and the second edge cutting die 40; specifically, each first stretching die 50 has a first stretching upper die 51, a first stretching lower die 52, and a first stretching interval 53, and each second stretching die 60 has a second stretching upper die 61, a second stretching lower die 62, and a second stretching interval 63.

[0067] As Figure 1 , 2 illustrated, the double-channel battery shell production equipment can further include:

[0068] a first carrying manipulator for carrying and conveying the first cup bodies in the first cup punching interval 13 from left to right into each of the first stretch interval 53 and then into the first trimming interval 33;

[0069] a second carrying manipulator for carrying and conveying the second cup bodies in the second cup punching interval 23 from right to left into each of the second stretch interval 63 and then into the second trimming interval 43; specifically, the first stretch dies 50 are arranged from left to right in four, and the first stretch upper die 51 and the first stretch lower die 52 in each of the first stretch dies 50 will stretch and form the first cup bodies once the dies are closed, and through four times of stretch forming, the first cup bodies can be changed into the shape of the final battery shell, and then the first trimming upper die 31 and the first trimming lower die 32 in the first trimming die 30 are closed to trim and cut off the waste edge material on the first cup bodies to obtain the finished battery shell. Similarly, the second stretch dies 60 are arranged from right to left in four, and the second stretch upper die 61 and the second stretch lower die 62 in each of the second stretch dies 60 will stretch and form the second cup bodies once the dies are closed, and through four times of stretch forming, the second cup bodies can be changed into the shape of the final battery shell, and then the second trimming upper die 41 and the second trimming lower die 42 in the second trimming die 40 are closed to trim and cut off the waste edge material on the second cup bodies to obtain the finished battery shell. In this embodiment, the first carrying manipulator and the second carrying manipulator can use existing manipulators.

[0070] As Figure 2 illustrated, the double-channel battery shell production equipment further includes a first waste edge conveyor 3, a first product conveyor 4, a second waste edge conveyor 5, and a second product conveyor 6;

[0071] The first carrying manipulator is further used for carrying the battery shells obtained in the first trimming interval 33 onto the first product conveyor 4 and carrying the waste edge material cut off in the first trimming interval 33 onto the first waste edge conveyor 3;

[0072] The second carrying manipulator is further used for carrying the battery shells obtained in the second trimming interval 43 onto the second product conveyor 6 and carrying the waste edge material cut off in the second trimming interval 43 onto the second waste edge conveyor 5.

[0073] As Figure 2As shown, the first scrap edge conveyor 3 and the first product conveyor 4 are located on the right side of the first trimming die 30, and the second scrap edge conveyor 5 and the second product conveyor 6 are located on the left side of the second trimming die 40; the first scrap edge conveyor 3 and the second scrap edge conveyor 5 extend along the left-right direction, and the first product conveyor 4 and the second product conveyor 6 extend along the front-back direction; specifically, the first scrap edge conveyor 3, the first product conveyor 4, the second scrap edge conveyor 5 and the second product conveyor 6 can all be belt conveyors.

[0074] As shown in the drawings, Figure 2 As shown, the double-channel battery shell production equipment can further include an unwinding machine 7, which is installed with a material roll, and is used to release the material belt in the material roll so that the unwound material belt passes through the first cup punching interval 13 and the second cup punching interval 23; specifically, the right half of the material belt passes through the first cup punching interval 13, and the left half of the material belt passes through the second cup punching interval 23; wherein the specific structure of the unwinding machine 7 is a prior art known to those skilled in the art, and the unwinding machine 7 can but not limited to adopt the unwinding machine 7 disclosed in the Chinese patent with publication number CN202897590U.

[0075] As shown in the drawings, Figure 2 As shown, the double-channel battery shell production equipment can further include a leveling feeder 8 for conveying and leveling the material belt, and the material belt released by the unwinding machine 7 passes through the leveling feeder 8 and then passes through the first cup punching interval 13 and the second cup punching interval 23; specifically, the specific structure of the leveling feeder 8 is a prior art known to those skilled in the art, and the leveling feeder 8 can but not limited to adopt a new type of feeding and leveling device for punch press disclosed in the Chinese patent with publication number CN208976538U.

[0076] As shown in the drawings, Figure 2 As shown, the double-channel battery shell production equipment can further include a waste material cutting mechanism 9 for cutting the waste material belt after punching; the material belt passes through the first cup punching interval 13 and the second cup punching interval 23 and then extends into the waste material cutting mechanism 9; specifically, after the first cup upper die 11 and the first cup lower die 12 are closed, the material belt in the first cup punching interval 13 is punched and formed into a first cup body, and after the second cup upper die 21 and the second cup lower die 22 are closed, the material belt in the second cup punching interval 23 is punched and formed into a second cup body, and the waste material belt after punching extends into the waste material cutting mechanism 9, which can cut the waste material belt.

[0077] In the embodiment, the cutting waste mechanism 9 can include a mounting frame, an upper cutting knife, a lower cutting knife and a cylinder;

[0078] The lower cutting knife is fixedly connected to the mounting frame;

[0079] The upper cutting knife is slidably connected to the mounting frame, and the waste material belt passes between the upper cutting knife and the lower cutting knife; the cylinder is connected to the mounting frame and connected to the upper cutting knife, and the cylinder is used to drive the upper cutting knife to move up and down to cut the waste material belt.

[0080] In summary, the double-channel battery shell production equipment of the embodiment has two production channels capable of stamping battery shells. One production channel is that the first cup upper die 11 and the first cup lower die 12 can be combined to cut and form the material belt into a first cup body, the first cup body is used to be sequentially conveyed to the first stretching interval 53 and the first edge cutting interval 33, the first stretching upper die 51 and the first stretching lower die 52 can be combined to stamp and stretch the first cup body in the first stretching interval 53, and the first edge cutting upper die 31 and the first edge cutting lower die 32 can be combined to cut and remove the waste edge material on the first cup body in the first edge cutting interval 33 to obtain a battery shell. The other production channel is that the second cup upper die 21 and the second cup lower die 22 can be combined to cut and form the material belt into a second cup body, the second cup body is used to be sequentially conveyed to the second stretching interval 63 and the second edge cutting interval 43, the second stretching upper die 61 and the second stretching lower die 62 can be combined to stamp and stretch the second cup body in the second stretching interval 63, and the second edge cutting upper die 41 and the second edge cutting lower die 42 can be combined to cut and remove the waste edge material on the second cup body in the second edge cutting interval 43 to obtain a battery shell. The double-channel design greatly improves the production capacity of the equipment, improves the production efficiency of the battery shell, and makes the press force more balanced during production, the system production speed higher, the system stability better, and the service life longer.

[0081] The above specific embodiments further illustrate the technical problems, technical solutions and beneficial effects solved by the utility model, and it should be understood that the above description is only for specific embodiments of the utility model and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A double lane battery case production apparatus characterized by, The punch press upper slide (1), the punch press lower platen (2), the first cup punch die (10), the second cup punch die (20), the first trimming die (30), the second trimming die (40), at least one first stretch die (50) and at least one second stretch die (60) are included. The first cup punch die (10) and the second cup punch die (20) are arranged side by side. The first stretch die (50) is arranged between the first cup punch die (10) and the first trimming die (30). The second stretch die (60) is arranged between the second cup punch die (20) and the second trimming die (40). The first cup punch die (10) has a first cup punch upper die (11), a first cup punch lower die (12) below the first cup punch upper die (11) and a first cup punch spacing (13) between the first cup punch upper die (11) and the first cup punch lower die (12). The first stretch die (50) has a first stretch upper die (51), a first stretch lower die (52) below the first stretch upper die (51) and a first stretch spacing (53) between the first stretch upper die (51) and the first stretch lower die (52). The first trimming die (30) has a first trimming upper die (31), a first trimming lower die (32) below the first trimming upper die (31) and a first trimming spacing (33) between the first trimming upper die (31) and the first trimming lower die (32). The first cup punch upper die (11) is connected to the punch press upper slide (1), the first cup punch lower die (12) is connected to the punch press lower platen (2), a part of the material belt passes through the first cup punch spacing (13), the first cup punch upper die (11) is used to close the first cup punch lower die (12) when the punch press upper slide (1) is pressed down, so as to punch and form the material belt into a first cup body, and the first cup body is used to be sequentially conveyed to the first stretch spacing (53) and the first trimming spacing (33). The first stretch upper die (51) is connected to the punch press upper slide (1), the first stretch lower die (52) is connected to the punch press lower platen (2), and the first stretch upper die (51) is used to close the first stretch lower die (52) when the punch press upper slide (1) is pressed down, so as to stretch the first cup body in the first stretch spacing (53). The first trimming upper die (31) is connected to the punch press upper slide (1), the first trimming lower die (32) is connected to the punch press lower platen (2), and the first trimming upper die (31) is used to close the first trimming lower die (32) when the punch press upper slide (1) is pressed down, so as to trim and remove the waste material on the first cup body in the first trimming spacing (33) to obtain a battery shell. The second cupping die (20) has a second cupping upper die (21), a second cupping lower die (22) below the second cupping upper die (21), and a second cupping gap (23) between the second cupping upper die (21) and the second cupping lower die (22); The second stretching die (60) has a second stretching upper die (61), a second stretching lower die (62) below the second stretching upper die (61), and a second stretching gap (63) between the second stretching upper die (61) and the second stretching lower die (62); The second trimming die (40) has a second trimming upper die (41), a second trimming lower die (42) below the second trimming upper die (41), and a second trimming gap (43) between the second trimming upper die (41) and the second trimming lower die (42); The second cupping upper die (21) is connected to the upper slide block (1) of the punch, the second cupping lower die (22) is connected to the lower platen (2) of the punch, another part of the material belt passes through the second cupping gap (23), and the second cupping upper die (21) is used to close the second cupping lower die (22) when the upper slide block (1) of the punch is pressed, so as to punch and form the material belt into a second cup body, which is sequentially conveyed to the second stretching gap (63) and the second trimming gap (43); The second stretching upper die (61) is connected to the upper slide block (1) of the punch, the second stretching lower die (62) is connected to the lower platen (2) of the punch, and the second stretching upper die (61) is used to close the second stretching lower die (62) when the upper slide block (1) of the punch is pressed, so as to stretch the second cup body in the second stretching gap (63); The second trimming upper die (41) is connected to the upper slide block (1) of the punch, the second trimming lower die (42) is connected to the lower platen (2) of the punch, and the second trimming upper die (41) is used to close the second trimming lower die (42) when the upper slide block (1) of the punch is pressed, so as to trim and remove the waste edge of the second cup body in the second trimming gap (43) to obtain a battery shell.

2. The double-channel battery shell production equipment according to claim 1, wherein The first cupping die (10) is arranged side by side on the right side of the second cupping die (20); The first trimming die (30) is located on the right side of the first cupping die (10); The second trimming die (40) is located on the left side of the second cupping die (20); The first stretching die (50) is provided with at least two and arranged in sequence along the left-right direction between the first cupping die (10) and the first trimming die (30); The second stretching die (60) is provided with at least two and arranged in sequence along the left-right direction between the second cupping die (20) and the second trimming die (40).

3. The dual lane battery case production apparatus of claim 2, wherein, Further comprising: A first carrying manipulator is arranged to carry the first cup bodies in the first cup-punching interval (13) from left to right into each of the first stretching intervals (53) and then into the first trimming interval (33); A second carrying manipulator is arranged to carry the second cup bodies in the second cup-punching interval (23) from right to left into each of the second stretching intervals (63) and then into the second trimming interval (43).

4. The dual lane battery case production apparatus of claim 3, wherein, A first scrap edge conveyor (3), a first product conveyor (4), a second scrap edge conveyor (5) and a second product conveyor (6) are further included. The first carrying manipulator is further arranged to carry the battery shell obtained in the first trimming interval (33) onto the first product conveyor (4) and to carry the scrap edge material cut in the first trimming interval (33) onto the first scrap edge conveyor (3). The second carrying manipulator is further arranged to carry the battery shell obtained in the second trimming interval (43) onto the second product conveyor (6) and to carry the scrap edge material cut in the second trimming interval (43) onto the second scrap edge conveyor (5).

5. The dual lane battery case production apparatus of claim 4, wherein, The first scrap edge conveyor (3) and the first product conveyor (4) are both located at the right of the first trimming die (30), and the second scrap edge conveyor (5) and the second product conveyor (6) are both located at the left of the second trimming die (40).

6. The dual lane battery case production apparatus of claim 4, wherein, The first scrap edge conveyor (3) and the second scrap edge conveyor (5) respectively extend along the left-right direction, and the first product conveyor (4) and the second product conveyor (6) respectively extend along the front-back direction.

7. The dual lane battery case production apparatus of claim 1, wherein, An unwinding machine (7) is further included. A material roll is installed in the unwinding machine (7), and the unwinding machine (7) is arranged to release the material belt in the material roll so that the released material belt passes through the first cup-punching interval (13) and the second cup-punching interval (23).

8. The dual lane battery case production apparatus of claim 7, wherein, A leveling feeder (8) is further included to feed and level the material belt, and the material belt released by the unwinding machine (7) passes through the leveling feeder (8) and then passes through the first cup-punching interval (13) and the second cup-punching interval (23).

9. The dual lane battery case production apparatus of claim 1, wherein, A scrap cutting mechanism (9) is further included to cut the scrap material belt after punching and cutting, and the material belt passes through the first cup-punching interval (13) and the second cup-punching interval (23) and then extends into the scrap cutting mechanism (9).

10. The dual lane battery case production apparatus of claim 9, wherein, The scrap cutting mechanism (9) includes a mounting frame, an upper cutting knife, a lower cutting knife and a cylinder; The lower cutting knife is fixedly connected to the mounting frame; The upper cutting knife is slidingly connected to the mounting frame, and the scrap material belt passes between the upper cutting knife and the lower cutting knife; The cylinder is connected to the mounting frame and connected to the upper cutting knife, and the cylinder is arranged to drive the upper cutting knife to move up and down to cut the scrap material belt.

Images