CN223043418U - Battery shell punching device - Google Patents

Abstract

The utility model relates to the technical field of stamping dies, in particular to a battery shell stamping device which comprises a base and a frame body arranged on the base, wherein a lower die is arranged on the base, an upper die which can be lifted and matched with the lower die is arranged on the frame body, the lower die comprises a lower die seat and a die core arranged on the lower die seat, a concave die cavity is arranged on the die core, a mounting cavity is arranged in the lower die seat, a jacking component used for jacking a battery shell formed in the concave die cavity is arranged in the mounting cavity, the jacking component comprises ejector rods which are opposite and the upper ends of which can extend into the concave die cavity, and the jacking component further comprises a driving component arranged in the mounting cavity, and the driving component is used for driving the ejector rods to synchronously lift. Through above-mentioned structure for drive assembly can synchronous drive two ejector pins go up and down in step, and then make it can be steadily with the battery case ejection of card in the die intracavity, thereby be convenient for the drawing of patterns of battery case in the die intracavity, make things convenient for this stamping device's use.

Description

Battery shell stamping device

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a battery shell stamping device.

Background

The battery is generally protected by adopting a battery shell, the battery shell is assembled into the battery after production, and finally a cap is additionally arranged and packaged, so that the battery is protected. At present, the battery shell is mostly stamped by a stamping die, and after the battery shell is stamped by the existing stamping die, the battery shell can be clamped in a forming cavity of the stamping die, so that the demolding of the battery shell is inconvenient.

For example, in the case stamping die for lithium battery production disclosed in CN220444844U, although the disclosed stamping die is configured by a threaded rod and a limiting plate, when the die is replaced, the threaded rod is rotated upwards to draw out the stabilizing plate, then the limiting plate is pulled out from the sliding frame in a sliding manner, and then the die is pulled out in a sliding manner, but when the die is in actual use, the stamped battery case is easy to be clamped in a forming cavity of the die, so that the demolding of the battery case is relatively inconvenient, and therefore, the improvement is needed.

Disclosure of utility model

The present utility model is directed to a battery case stamping device, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The battery shell stamping device comprises a base and a frame body arranged on the base, wherein a lower die is arranged on the base, an upper die which can be lifted and matched with the lower die is arranged on the frame body, the lower die comprises a lower die base and a die core arranged on the lower die base, a concave die cavity is arranged on the die core, an installation cavity is arranged in the lower die base, a jacking component used for jacking a battery shell formed in the concave die cavity is arranged in the installation cavity, the jacking component comprises ejector rods, the upper ends of the ejector rods can extend into the concave die cavity relatively, and the jacking component further comprises a driving component arranged in the installation cavity and used for driving the ejector rods to synchronously lift.

Preferably, a connecting plate is arranged between the lower end parts of the ejector rods, an abutting plate is arranged on the lower side surface of the connecting plate, and the ejector rods are sleeved with first springs for driving the connecting plate to move downwards;

The driving assembly comprises a driving block which is arranged on the bottom wall of the installation cavity in a sliding manner, a groove for the abutting plate to extend in is formed in the driving block, a guide inclined plane is formed in the side wall of the groove, and the driving block is used for driving the abutting plate to slide out of the groove along the guide inclined plane in a sliding manner so as to realize jacking of the ejector rod.

Preferably, guide rods positioned at two sides of the driving block are oppositely arranged in the mounting cavity along the moving direction of the driving block, the guide blocks are arranged on the opposite side surfaces of the driving block, the guide rods penetrate through the corresponding guide blocks, a second spring for pushing the driving block to move into the groove for enabling the abutting plate to slide in is sleeved on the guide rods, and a pushing piece penetrating through the lower die holder and extending out is arranged at one end part of the driving block.

Preferably, the upper side of the driving block and the highest point of the guiding inclined plane are provided with clamping grooves for clamping the lower ends of the abutting plates, the lower part of the driving block and the clamping grooves are provided with matching cavities communicated with the clamping grooves, lifting blocks capable of lifting are arranged in the matching cavities, lifting blocks capable of extending into the clamping grooves and used for pushing the abutting plates out are arranged on the lifting blocks, and driving pieces extending into the matching cavities and used for driving the lifting blocks to lift are arranged on the pushing pieces.

Preferably, the pushing piece comprises a pushing column, the driving piece comprises a driving rod arranged at one end of the pushing column, the other end of the driving rod stretches into the matching cavity, the driving rod is rotatably arranged at one end part of the driving block through a bearing seat, and a protruding block for jacking the lifting block is arranged at the other end part of the driving rod.

Preferably, the bottom wall of the concave die cavity is provided with a concave groove corresponding to the ejector rod, and a push block connected with the upper end of the corresponding ejector rod is arranged in the concave groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the arrangement of the ejector rods and the driving assembly, the driving assembly can synchronously drive the two ejector rods to synchronously lift, so that the battery shell clamped in the cavity of the female die can be stably ejected, the demolding of the battery shell in the cavity of the female die is facilitated, and the use of the stamping device is facilitated.

2. According to the utility model, the driving block is moved into the mounting cavity by pressing the pushing column, so that the battery shell in the concave die cavity can be lifted by the jacking rod, the demolding of the battery shell is facilitated, meanwhile, the abutting plate can be clamped into the clamping groove by pressing the pushing column, so that the jacking rod can keep the state of jacking the battery shell, namely, an operator can take out the battery shell, after the demolding of the battery shell is completed, the jacking block can be lifted by rotating the pushing column, so that the abutting plate is separated from the clamping groove, and the driving block is reset under the second spring, so that the jacking assembly can be reused.

Drawings

Fig. 1 is a schematic structural view of a battery case stamping device according to the present utility model.

FIG. 2 is a schematic cross-sectional view of the present utility model between a base and a lower mold.

Fig. 3 is a schematic vertical section between a base and a lower die in the present utility model.

Fig. 4 is a schematic view of an exploded structure of the driving member mounted on the driving block in the present utility model.

The meaning of each reference numeral in the figures is:

100. The device comprises a base, 101, upright posts, 110, a frame body, 111, a cylinder, 120, an upper die, 121, an upper die holder, 130 and a lower die;

210. Mold core, 211, concave mold cavity, 220, lower mold seat, 221, installation cavity, 222, guide rod, 223, second spring, 230, ejector rod, 231, connecting plate, 232, abutting plate, 240, first spring, 250, driving block, 251, groove, 252, guide inclined plane, 260, pushing column, 270, driving rod, 271 and bump;

311. 321, pushing block;

411. Guide block 412, clamping groove 413, matching cavity 420, lifting block 421, top block 430, bearing seat 440 and blocking plate.

Detailed Description

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples. It is to be understood that the examples are illustrative of the present utility model and are not intended to be limiting.

This embodiment is described in further detail below in conjunction with fig. 1-4.

Referring to fig. 1-2, a battery shell stamping device in this embodiment includes a base 100 and a frame 110 disposed on the base 100, wherein a lower mold 130 is disposed on the base 100, an upper mold 120 capable of lifting and matching with the lower mold 130 is disposed on the frame 110, the lower mold 130 includes a lower mold base 220 and a mold core 210 disposed on the lower mold base 220, a female mold cavity 211 is disposed on the mold core 210, a mounting cavity 221 is disposed in the lower mold base 220, a lifting assembly for lifting a battery shell formed in the female mold cavity 211 is disposed in the mounting cavity 221, the lifting assembly includes a push rod 230 with an opposite upper end capable of extending into the female mold cavity 211, and the lifting assembly further includes a driving assembly disposed in the mounting cavity 221, wherein the driving assembly is used for driving the push rod 230 to synchronously lift.

In this embodiment, the upper die 120 includes an upper die holder 121 and a male die 122 disposed on a lower side surface of the upper die holder 121 and capable of extending into the female die cavity 211, so that a plate (such as an aluminum sheet) to be punched is placed on the die core 210, and the upper die 120 descends to drive the male die 122 to extend into the female die cavity 211, so that the plate can be punched into a battery case;

In the embodiment, a cylinder 111 for driving the upper die 120 to lift is arranged above the frame 110, and an output shaft of the cylinder 111 is fixedly connected to the upper die holder 121 during actual use, so that the upper die 120 is preferably lifted, wherein in order to make the lifting of the upper die 120 more stable, a column 101 penetrating through the upper die holder 121 is arranged between the frame 110 and the base 100, so that the lifting of the upper die 120 is more stable;

The jacking component is arranged, so that the battery shell formed in the concave die cavity 211 can be ejected, and the battery shell is prevented from being clamped in the concave die cavity 211, so that the battery shell is inconvenient to demould;

Wherein, through ejector pin 230 and drive assembly's setting for ejector pin 230 is provided with two relatively, and then makes it can evenly carry out the jacking to the battery case in the die cavity 211, and wherein, drive assembly can drive relative ejector pin 230 and go on synchronous lift, and then makes the jacking of ejector pin 230 comparatively synchronous steady, makes the drawing of patterns effect of battery case better.

Referring to fig. 2 and 3, in this embodiment, a connection plate 231 is disposed between the lower ends of the ejector pins 230, an abutment plate 232 is disposed on the lower side surface of the connection plate 231, and a first spring 240 for driving the connection plate 231 to move downward is sleeved on the ejector pins 230;

The driving assembly comprises a driving block 250 which is slidably arranged on the bottom wall of the mounting cavity 221, a groove 251 for the abutting plate 232 to extend in is formed in the driving block 250, a guide inclined surface 252 is formed in the side wall of the groove 251, and the driving block 250 is slidably used for driving the abutting plate 232 to slide out of the groove 251 along the guide inclined surface 252 so as to lift the ejector rod 230.

In practical use, the bottom wall of the female die cavity 211 is provided with the concave groove 311 corresponding to the ejector rod 230, the concave groove 311 is internally provided with the ejector block 321, and the ejector block 321 is fixedly connected to the upper end part of the corresponding ejector rod 230 through a screw, so that the contact area between the ejector rod 230 and the battery shell can be increased by using the ejector block 321, the ejector rod 230 can be lifted up and lifted up more stably, meanwhile, the lower end part of the ejector rod 230 is connected through the connecting plate 231, and the ejector rod 230 and the first spring 240 can be stably lifted up and down in the mounting cavity 221 by being clamped in the concave groove 311 in a matching manner;

Through the arrangement of the driving block 250, the groove 251, the guiding inclined plane 252 and the abutting plate 232, when the driving block 250 moves in the installation cavity 221 and the abutting plate 232 slides into the groove 251 along the guiding inclined plane 252, at the moment, the first spring 240 drives the ejector rod 230 to move downwards to drive the pushing block 321 to be clamped in the corresponding concave groove 311, at the moment, the upper die 120 is convenient to move to the lower die 130 for stamping operation, and when the driving block 250 moves in the installation cavity 221, the guiding inclined plane 252 extrudes the abutting plate 232 to enable the abutting plate 232 to slide out of the groove 251 along the guiding inclined plane 252, and then drives the ejector rod 230 to move upwards to lift the battery shell in the female die cavity 211, so that the demolding is convenient.

In this embodiment, guide rods 222 located at two sides of the driving block 250 are relatively disposed along the moving direction of the driving block 250 in the mounting cavity 221, guide blocks 411 are disposed on opposite sides of the driving block 250, the guide rods 222 penetrate through the corresponding guide blocks 411, a second spring 223 for pushing the driving block 250 to slide into the groove 251 is sleeved on the guide rods 222, and a pushing member extending through the lower die holder 220 is disposed at one end of the driving block 250.

In this embodiment, the guide rod 222 penetrates through the corresponding guide block 411, so that the driving block 250 is limited, and can only move smoothly along the guide rod 222 in the mounting cavity 221;

Through the arrangement of the second spring 223, when in actual use, the second spring 223 always pushes the driving block 250 to move to drive the pushing piece to extend out of the lower die holder 220, meanwhile, the abutting plate 232 can extend into the bottom of the groove 251, the holding ejector rod 230 drives the pushing piece 321 to be clamped into the corresponding concave groove 311, so that the stamping device can perform stamping operation, at the moment, the driving block 250 can be moved into the mounting cavity 221 along the guide rod 222 by pressing the extending pushing piece, and then the abutting plate 232 can slide out of the groove 251 along the guide inclined plane 252, so that the battery shell in the concave die cavity 211 can be synchronously lifted by the ejector rods 230 at two sides, and the operation of demolding the battery shell by the lifting assembly is simple and convenient.

Referring to fig. 4, in this embodiment, a clamping groove 412 for clamping the lower end of the abutting plate 232 is provided on the upper side of the driving block 250 and at the highest point of the guiding inclined plane 252, a matching cavity 413 for communicating with the clamping groove 412 is provided in the driving block 250 and at the lower part of the clamping groove 412, a lifting block 420 capable of lifting is provided in the matching cavity 413, a pushing block 421 capable of extending into the clamping groove 412 and pushing the abutting plate 232 is provided on the lifting block 420, and a driving member extending into the matching cavity 413 and used for driving the lifting block 420 to lift is provided on the pushing member.

In practical use, the side wall of the lifting block 420 is slidably attached to the side wall of the matching cavity 413, so that the lifting block 420 is stably lifted in the matching cavity 413, wherein the top block 421 is matched with the clamping groove 412, i.e. the lifting block 420 is lifted in the matching cavity 413, and the top block 421 can extend into the clamping groove 412;

In this embodiment, in the initial state, the lifting block 420 and the pushing block 421 move downward in the matching cavity 413 due to self weight, i.e. the pushing block 421 is separated from the clamping groove 412, so that in the process that the operator presses the pushing member to drive the driving block 250 to move into the mounting cavity 221, the abutting plate 232 slides out of the groove 251 along the guiding inclined plane 252 and the lower end of the abutting plate 232 can be clamped into the clamping groove 412, at this time, the pushing rod 230 can be kept to drive the pushing block 321 to be in the jacking state, thereby facilitating the demolding of the battery case in the cavity 211;

Wherein, through the setting of driving piece for it can drive lifting block 420 and rise, drives in the kicking block 421 stretches into draw-in groove 412, will block into the ejecting of the butt board 232 in draw-in groove 412, at this moment, the driving piece 250 resets under the effect of second spring 223, makes butt board 232 slide into in recess 251 along direction inclined plane 252, makes ejector pin 230 move down and drives in the recess 311 that corresponds of kicking block 321 card was gone into, simultaneously, can make the pushing piece stretch out, thereby the reuse of this jacking subassembly of being convenient for.

In this embodiment, the pushing member includes a pushing post 260, the driving member includes a driving rod 270 disposed at one end of the pushing post 260, the other end of the driving rod 270 extends into the matching cavity 413, the driving rod 270 is rotatably mounted at one end of the driving block 250 through a bearing seat 430, and a protrusion 271 for lifting up the lifting block 420 is disposed at the other end of the driving rod 270.

In this embodiment, through the arrangement of the bearing seat 430, the driving rod 270 is preferably rotatably mounted in the matching cavity 413, wherein the end portion of the driving rod 270 extending out of the matching cavity 413 is fixedly connected to one end portion of the pushing post 260, so that the pushing post 260 rotates to drive the driving rod 270 to rotate, wherein, when in actual use, the driving post 260 is rotated to drive the driving rod 270 to rotate and further drive the protrusion 271 to rotate, so that the lifting block 420 can be pushed to move upwards, the pushing block 421 is pushed out of the abutting plate 232 clamped in the clamping groove 412, and when the pushing post 260 is pressed to push the driving block 250 to move into the mounting cavity 221, the pushing rod 230 is driven to move upwards to perform the demolding operation of the battery case;

Wherein, in order to facilitate the installation of the driving member in the matching chamber 413, the matching chamber 413 is opened towards one end of the driving block 250, the opening is provided with a blocking plate 440, the driving rod 270 extends into the matching chamber 413 through the blocking plate 440, and the bearing seat 430 is fixedly installed on the blocking plate 440, thereby preferably realizing the installation of the driving member and the driving member on the driving block 250.

The working principle is that a plate to be punched is placed on a mold core 210, an upper mold 120 is driven by an air cylinder 111 to move to a lower mold 130 for punching operation of a battery shell, after punching is completed, a pushing post 260 is pressed to enable a driving block 250 to move into an installation cavity 221, an abutting plate 232 slides out of a groove 251 along a guide inclined plane 252, the lower end part of the abutting plate 232 is clamped into a clamping groove 412, a push rod 230 drives the pushing block 321 to move upwards, the battery shell in a female mold cavity 211 is pushed out, after demolding of the battery shell is completed, the driving post 260 is rotated to drive a driving rod 270 to rotate, a bump 271 is made to squeeze the lifting block 420 to move upwards to drive the pushing block 421 to extend into the clamping groove 412 to push the abutting plate 232 out, at the moment, under the action of a second spring 223, the driving block 250 is reset, the push rod 230 is made to move downwards to drive the pushing block 321 to move into a concave groove 311, and the punching device is convenient for punching operation of the battery shell again.

In summary, the foregoing description is only of the preferred embodiments of the present utility model, and all equivalent changes and modifications made in accordance with the claims should be construed to fall within the scope of the utility model.

Claims (6)

1. A battery shell stamping device is characterized by comprising a base (100) and a frame body (110) arranged on the base (100), wherein a lower die (130) is arranged on the base (100), an upper die (120) which can be lifted and matched with the lower die (130) is arranged on the frame body (110), the lower die (130) comprises a lower die holder (220) and a die core (210) arranged on the lower die holder (220), a concave die cavity (211) is arranged on the die core (210), a mounting cavity (221) is arranged in the lower die holder (220), a jacking component used for jacking a battery shell formed in the concave die cavity (211) is arranged in the mounting cavity (221), the jacking component comprises ejector rods (230) which are opposite and the upper ends of the ejector rods can extend into the concave die cavity (211), and the driving component is arranged in the mounting cavity (221) and is used for driving the ejector rods (230) to synchronously lift.

2. The battery case stamping device according to claim 1, wherein a connecting plate (231) is arranged between the lower ends of the ejector rods (230), an abutting plate (232) is arranged on the lower side surface of the connecting plate (231), and the ejector rods (230) are sleeved with first springs (240) for driving the connecting plate (231) to move downwards;

The driving assembly comprises a driving block (250) which is arranged on the bottom wall of the mounting cavity (221) in a sliding mode, a groove (251) which is used for the abutting plate (232) to extend in is formed in the driving block (250), a guide inclined surface (252) is formed in the side wall of the groove (251), and the driving block (250) is used for driving the abutting plate (232) to slide out of the groove (251) along the guide inclined surface (252) so as to achieve lifting of the ejector rod (230).

3. The battery shell stamping device according to claim 2, wherein guide rods (222) located at two sides of the driving block (250) are oppositely arranged in the mounting cavity (221) along the moving direction of the driving block (250), guide blocks (411) are arranged on opposite sides of the driving block (250), the guide rods (222) penetrate through the corresponding guide blocks (411), second springs (223) used for pushing the driving block (250) to move to the abutting plate (232) and slide into the grooves (251) are sleeved on the guide rods (222), and pushing pieces extending out through the lower die holders (220) are arranged at one end parts of the driving block (250).

4. A battery shell stamping device according to claim 3, wherein a clamping groove (412) for clamping the lower end of the abutting plate (232) is formed in the upper side face of the driving block (250) and located at the highest point of the guide inclined surface (252), a matching cavity (413) communicated with the clamping groove (412) is formed in the driving block (250) and located below the clamping groove (412), a lifting block (420) capable of lifting is arranged in the matching cavity (413), a jacking block (421) capable of extending into the clamping groove (412) and used for jacking the abutting plate (232) is arranged on the lifting block (420), and a driving piece extending into the matching cavity (413) and used for driving the lifting block (420) to lift is arranged on the pushing piece.

5. The battery case punching device as set forth in claim 4, wherein the pushing member includes a pushing post (260), the driving member includes a driving rod (270) provided at one end of the pushing post (260), the other end of the driving rod (270) extends into the fitting chamber (413), the driving rod (270) is rotatably mounted at one end of the driving block (250) through the bearing housing (430), and a projection (271) for lifting up the lifting block (420) is provided at the other end of the driving rod (270).

6. The battery case stamping device according to claim 2, wherein the bottom wall of the female die cavity (211) is provided with a concave groove (311) corresponding to the ejector rod (230), and a push block (321) connected with the upper end of the corresponding ejector rod (230) is arranged in the concave groove (311).