CN220382148U - Sealing die for battery - Google Patents

Abstract

The utility model discloses a sealing die for a battery, which comprises a base, a table top, a first die, a second die, an air driving component and an air charging component, wherein the table top is movably assembled on the base, and a table top channel is arranged in the table top; the first die is provided with a die channel and a battery groove, the first die is arranged on the table top, the die channel is communicated between the table top channel and the battery groove, the second die is arranged on the base, and the first die is used for being in press fit with the second die; the air drive assembly comprises an air source, a cylinder body and a piston, the cylinder body is arranged in the seat body, and the piston is matched in the cylinder body and is used for pushing the table top; the air charging assembly is arranged on the base body and is communicated between the die channel and the cylinder body and/or the air source. The sealing die is convenient for taking out the battery from the clamping groove, avoids the condition that the die or the battery is easy to damage when the battery is taken out in a prying mode and the like in the related art, ensures the yield of production, and reduces the manufacturing cost.

Description

Sealing die for battery

Technical Field

The utility model relates to the technical field of battery processing, in particular to a sealing die for a battery.

Background

The button cell has the advantages of high specific power, small volume, simple manufacture and the like, and is widely applied to the fields of new energy, aerospace, scientific research, daily life and the like.

The button cell is sealed through the mode of capper extrusion when processing, in order to guarantee the quality of sealing, is equipped with the draw-in groove on the mould of capper generally, and the button cell that waits to seal needs to place in the draw-in groove and accomplishes the sealing. For example, in chinese patent publication No. CN 209496962U, a button cell sealing apparatus is disclosed, which comprises an upper mold and a lower mold, wherein a placement groove is provided at the top of the lower mold, and when in use, the button cell is placed in the placement groove, and then sealing is completed by pressing the upper mold and the lower mold.

But in the actual operation process, the sealed battery is easy to clamp in the clamping groove, at the moment, the button is required to be pried out of the clamping groove by means of a tool, but in the prizing process, the button battery and the mould are easy to damage, the yield of the battery is reduced, and the production cost is increased.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

Therefore, the embodiment of the utility model provides the sealing die for the battery, which is convenient for taking out the battery from the clamping groove, avoids the condition that the die or the battery is easy to damage when the battery is taken out in a prying mode and the like in the related art, ensures the yield of production and reduces the manufacturing cost.

The battery sealing die of the embodiment of the utility model comprises:

a base;

the table top is movably assembled on the seat body, and a table top channel is arranged in the table top;

the first die is provided with a die channel and a battery groove, the first die is arranged on the table top, the die channel is communicated between the table top channel and the battery groove, the second die is arranged on the seat body, and the first die is used for being in press fit with the second die to seal a battery in the battery groove;

the air drive assembly comprises an air source, a cylinder body and a piston, wherein the cylinder body is arranged in the seat body, and the piston is matched in the cylinder body and is used for moving to push the table top after the air source is used for introducing air into the cylinder body;

the air charging assembly is arranged on the base body and communicated between the die channel and the cylinder body and/or the air source, and is used for guiding air in the cylinder body into the battery groove so as to eject the battery in the battery groove.

The sealing die provided by the embodiment of the utility model is convenient for taking out the battery from the clamping groove, avoids the condition that the die or the battery is easy to damage when the battery is taken out in a prying mode and the like in the related art, ensures the yield of production, and reduces the manufacturing cost.

In some embodiments, the inflation assembly includes a connection tube connected between the table top and the base, and the connection tube is retractable such that a length of the connection tube is adaptable to a change in a spacing of the table top and the base.

In some embodiments, the air flushing assembly comprises an air flushing pipe and an air flushing valve, wherein the air flushing pipe is connected between the connecting pipe and the cylinder body and/or the air source, and the air flushing valve is arranged on the air flushing pipe and used for controlling on-off of the air flushing pipe.

In some embodiments, the sealing die comprises a pressure relief valve, the mesa channel is provided with a first port and a second port, the first port and the second port are oppositely arranged in the thickness direction of the mesa, the pressure relief valve is installed at the first port of the mesa, and the connecting pipe is connected with the second port of the mesa.

In some embodiments, the second mold comprises a mold head and an elastic member, at least part of the mold head is used for being matched in the battery groove, and the elastic member is elastically abutted against the mold head.

In some embodiments, the gas drive assembly includes a gas supply tube connected between the cylinder and the gas source, and the gas drive assembly includes a gas drive valve, a check valve, a first barometer, and a regulator valve, all disposed in the gas supply tube and between the cylinder and the gas source.

In some embodiments, the gas drive assembly includes a second barometer coupled to the cylinder and configured to monitor a gas pressure within the cylinder.

In some embodiments, the base includes a plurality of support columns disposed at the top, and the table top is provided with a plurality of guide holes, and a plurality of support columns are in one-to-one guide fit in a plurality of guide holes so that the table top can reciprocate along the extending direction of the support columns.

In some embodiments, the first mold and the second mold are provided with a plurality of mold channels, the mold channels of the plurality of first molds are communicated with the table-board channels, and the plurality of first molds are matched with the plurality of second molds in a one-to-one correspondence.

In some embodiments, the first mold comprises an inner frame and an outer frame, the outer frame is annular and fixed on the outer peripheral side of the inner frame, the inner frame and/or the outer frame are detachably connected with the table top, the mold channel is arranged on the inner frame, and the battery groove is arranged on the outer frame.

Drawings

Fig. 1 is a schematic view of the overall structure of a sealing mold according to an embodiment of the present utility model.

Fig. 2 is a schematic view of the assembly of the table and the first mold of fig. 1.

Fig. 3 is a schematic top view of fig. 2.

Fig. 4 is a schematic cross-sectional view of a first mold according to an embodiment of the present utility model.

Fig. 5 is a schematic top view of a first mold according to an embodiment of the utility model.

Fig. 6 is a schematic side cross-sectional view of the inner frame of the first mold.

Fig. 7 is a schematic top view of the inner frame of the first mold.

Fig. 8 is a schematic side cross-sectional view of an outer frame of the first mold.

Fig. 9 is a schematic top view of the outer frame of the first mold.

Reference numerals:

a base 1; support columns 11; a mounting plate 12;

a table top 2; a mesa channel 21; a first port 211; a second port 212; a fixing pile 22; a guide hole 23;

a first mold 3; a die passage 31; a battery compartment 32; an inner frame 33; an annular portion 331; an external thread 332; a fitting hole 3311; an outer frame 34; an internal thread 341;

a second die 4; a die head 41;

a gas drive assembly 5; a piston 51; a cylinder 52; a gas-driven valve 53; a gas supply pipe 54; a check valve 55; a first barometer 56; a regulating valve 57; a gas source 58; a second barometer 59;

an air charging assembly 6; a connection pipe 61; a gas flushing pipe 62; a purge valve 63;

a pressure relief valve 7.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

As shown in fig. 1, the battery sealing mold according to the embodiment of the present utility model includes a base 1, a table 2, a first mold 3, a second mold 4, a gas-driven component 5, and a gas-charging component 6.

The base 1 may be generally rectangular, and the base 1 may be made of metal, for example, the base 1 may be formed by welding a metal plate, a section bar, or the like. The table top 2 is movably assembled on the base 1, for example, a sliding structure such as a chute and a sliding rail may be provided on the base 1, and the table top 2 may be assembled on the base 1 through the sliding structure in a vertically movable manner.

As shown in fig. 1 and 2, the table top 2 may be generally rectangular plate-shaped, a table top channel 21 is provided in the table top 2, the table top channel 21 may be arranged to extend along a length direction (left-right direction) of the table top 2, and the table top channel 21 has an inlet and an outlet, wherein the inlet may be provided on a lower surface of the table top 2, and the outlet may be provided on an upper surface of the table top 2.

The first mould 3 is provided with a mould channel 31 and a battery groove 32, the first mould 3 is arranged on the table top 2, the mould channel 31 is communicated between the table top channel 21 and the battery groove 32, the second mould 4 is arranged on the base body 1, and the first mould 3 is used for being in press fit with the second mould 4 so as to seal a battery in the battery groove 32.

For example, as shown in fig. 2, the first mold 3 may be fixed on the upper side of the table 2 by fastening, etc., the first mold 3 may be generally cylindrical, the battery slot 32 may be disposed on the top of the first mold 3, and the battery slot 32 may be used for placing a button cell to be sealed. The die passage 31 may be disposed extending along the axis of the first die 3 and penetrating the first die 3, and the top end of the die passage 31 may communicate with the battery jar 32, and the bottom end of the die passage 31 may communicate with the mesa passage 21.

The second mold 4 may be fixed on the top of the base 1, and the second mold 4 may be located right above the first mold 3, and a mold head 41 (similar to a punch) may be disposed on the second mold 4, as shown in fig. 1, when the first mold 3 moves upward, the mold head 41 may be fitted into the clamping groove, so that press-fit sealing of the button cell in the clamping groove may be achieved.

As shown in fig. 1, the air driving assembly 5 includes an air source 58, a cylinder 52 and a piston 51, the cylinder 52 is disposed in the base 1, for example, the cylinder 52 may be fixed in the base 1, and the cylinder 52 may be open, i.e., the top of the cylinder 52 may be provided with an opening. The piston 51 is matched in the cylinder body 52, the air source 58 can be communicated with the cylinder body 52 through a pipeline, the air source 58 can generate high-pressure air which is introduced into the cylinder body 52, after the high-pressure air is introduced into the cylinder body 52, the piston 51 can move upwards relative to the cylinder body 52 under the action of the high-pressure air, and when the piston 51 stretches out from an opening of the cylinder body 52, the piston 51 can be in contact with the bottom surface of the table top 2, so that the table top 2 can be pushed upwards, and further the upward driving of the first die 3 can be realized.

The air charging assembly 6 is arranged on the base 1 and is communicated between the die channel 31 and the cylinder 52 and/or the air source 58, and the air charging assembly 6 is used for guiding air in the cylinder 52 into the battery groove 32 so as to eject the battery in the battery groove 32.

For example, as shown in fig. 1, the air-charging assembly 6 may be connected between the cylinder 52 and the inlet of the die passage 31. When the air driving assembly 5 drives the first die 3 to move upwards and seal the button cell, the air charging assembly 6 can be opened, at this time, the cylinder 52 can be communicated with the table-board channel 21 through the air charging assembly 6, and high-pressure air in the cylinder 52 can enter the cell groove 32 through the air charging assembly 6, the table-board channel 21 and the die channel 31, so that the sealed cell in the cell groove 32 can be ejected.

In other embodiments, the air impingement assembly 6 may also be connected between the air source 58 of the air displacement assembly 5 and the inlet of the mold tunnel 31. Thus, high pressure gas may be introduced into the battery compartment 32 via the gas source 58, also facilitating ejection of the battery within the battery compartment 32. In other embodiments, the air charging assembly 6 may be simultaneously communicated with the cylinder 52 and the air source 58, and the high-pressure air in the cylinder 52 and the air source 58 can be used for ejecting the sealed battery, so that the dual-protection function is also achieved, and the operation reliability is guaranteed.

According to the sealing die disclosed by the embodiment of the utility model, the sealed battery can be blown out through high-pressure gas, so that the battery can be conveniently taken out of the clamping groove, the condition that the die or the battery is easily damaged when the battery is taken out in a prying mode in the related art is avoided, the yield of production is ensured, and the manufacturing cost is also reduced.

Secondly, the sealing process and the blowing process of the battery are both pneumatic driving modes, so that partial components of the air driving assembly 5 for sealing and the air blowing assembly 6 for blowing can be shared, thereby simplifying the whole structure and reducing the cost.

In some embodiments, the inflation assembly 6 includes a connection tube 61, the connection tube 61 being connected between the table top 2 and the base 1, and the connection tube 61 being retractable so that the length of the connection tube 61 can accommodate variations in the spacing of the table top 2 and the base 1.

For example, as shown in fig. 1 and 2, the connection pipe 61 may be a steel spring pipe, and in other embodiments, the connection pipe 61 may be a bellows pipe or the like that is telescopic. The left end of the table-board channel 21 may be provided with a downward inlet, the connection pipe 61 is installed below the table-board 2, the top end of the connection pipe 61 may be communicated with the lower opening of the left end of the table-board channel 21, and the bottom end of the connection pipe 61 may be fixedly connected with the base 1 and communicated with the cylinder 52.

Because the mesa 2 and the first mould 3 can upwards move in the process of sealing, at this time, the interval between the mesa 2 and the seat body 1 can change, and the telescopic arrangement of the connecting pipe 61 can adapt to the change, thereby meeting the use requirement of the mesa 2 moving relative to the seat body 1.

In some embodiments, the air charging assembly 6 includes an air charging tube 62 and an air charging valve 63, the air charging tube 62 being connected between the connecting tube 61 and the cylinder 52 and/or the air source 58, the air charging valve 63 being provided to the air charging tube 62 and being used for controlling the on-off of the air charging tube 62.

For example, as shown in fig. 1, the gas flushing pipe 62 may be a hard pipe, for example, the gas flushing pipe 62 may be a metal pipe such as a steel pipe, so as to meet the use requirement under a larger pressure. One end of the gas flushing pipe 62 may communicate with the bottom of the cylinder 52, and the other end of the gas flushing pipe 62 may communicate with the bottom of the connection pipe 61.

The gas flushing valve 63 may be an electromagnetic valve, or may be any other type of valve, and the gas flushing valve 63 may be mounted on the gas flushing pipe 62, and the gas flushing valve 63 may be closed in the process of sealing the battery, so that the high-pressure gas in the cylinder 52 does not flow to the battery tank 32. When the battery is sealed, the gas flushing valve 63 can be opened, so that the battery can be taken out of the battery tank 32 by means of the high-pressure gas in the cylinder 52. It should be noted that, the air valve 63 may be provided with a button, and when in use, the switch of opening and closing the air valve 63 may be realized through the button, so as to facilitate the opening and closing control of the air valve assembly 6.

In some embodiments, the closing die comprises a pressure relief valve 7, the mesa channel 21 is provided with a first port 211 and a second port 212, the first port 211 and the second port 212 are oppositely arranged in the thickness direction of the mesa 2, the pressure relief valve 7 is mounted at the first port 211 of the mesa 2, and the connection pipe 61 is connected with the second port 212 of the mesa 2.

For example, as shown in FIG. 2, both the first port 211 and the second port 212 may be provided at the left end of the mesa channel 21, wherein the first port 211 may be the upper surface of the mesa 2 and the second port 212 may be provided at the lower surface of the mesa 2. The pressure relief valve 7 may be mounted at the first port 211 of the table 2 and the top end of the connecting tube 61 may be connected at the second port 212.

When the air pressure in the table-board channel 21 and the die channel 31 is large, the pressure relief valve 7 can be automatically opened, so that the effect of timely relieving pressure and exhausting air is achieved, the situation that the air pressure in the channel is high (exceeds a set threshold value) and damage is easily caused and the tightness is reduced is avoided, and the protection effect is achieved.

In some embodiments, the second die 4 includes a die head 41 and an elastic member, at least a portion of the die head 41 being configured to fit within the battery well 32, the elastic member being elastically stopped against the die head 41.

For example, as shown in fig. 1, the die head 41 may be disposed at the bottom of the second die 4, and the radial dimension of the die head 41 may be slightly smaller than the notch dimension of the battery jar 32, so that the first die 3 and the second die 4 may be matched and inserted into the battery jar 32 when being pressed, thereby realizing press-fit sealing of the battery.

The elastic piece (not shown) can be a spring, the die head 41 can be assembled in the second die 4 in a guiding sliding manner along the up-down direction, the elastic piece can be assembled in the second die 4, the bottom end of the elastic piece can be elastically abutted against the die head 41, so that elastic pushing of the die head 41 can be realized, and in the stamping process, the die head 41 can be elastically pressed with a button cell, so that the sealing quality can be improved.

In some embodiments, the air-driven assembly 5 includes an air supply pipe 54, the air supply pipe 54 is connected between the cylinder 52 and the air source 58, and the air-driven assembly 5 includes an air-driven valve 53, a check valve 55, a first air pressure gauge 56, and a regulating valve 57, and the air-driven valve 53, the check valve 55, the first air pressure gauge 56, and the regulating valve 57 are all disposed in the air supply pipe 54 and between the cylinder 52 and the air source 58.

For example, as shown in fig. 1, a part of the gas supply pipe 54 may be installed in the housing 1, and another part of the gas supply pipe 54 may extend to the outside of the housing 1. The air-driven valve 53 may be a common electromagnetic valve and may control the opening or closing of the air supply pipe 54, the check valve 55 may be a one-way valve, and the check valve 55 may prevent the high-pressure air entering the cylinder 52 from flowing reversely, thereby ensuring the structural stability in use. Both the air-driven valve 53 and the check valve 55 may be mounted on the seat body 1.

The first barometer 56 and the regulator 57 may be mounted on the air supply pipe 54 outside the housing 1, wherein the first barometer 56 is provided to facilitate monitoring of the air pressure in the air supply pipe 54 in real time. The setting of the regulating valve 57 can realize the regulation of the air pressure in the air supply pipe 54, thereby meeting different use requirements.

In some embodiments, as shown in fig. 1, the air drive assembly 5 includes a second air pressure gauge 59, the second air pressure gauge 59 being coupled to the cylinder 52 and configured to monitor the air pressure within the cylinder 52. Therefore, the air pressure in the cylinder body 52 can be conveniently and intuitively monitored, and the movement condition in the cylinder body 52 can be conveniently known.

In some embodiments, the base 1 includes a plurality of support columns 11 disposed on the top, and the table top 2 is provided with a plurality of guide holes 23, and the plurality of support columns 11 are correspondingly guided in the plurality of guide holes 23 to enable the table top 2 to reciprocate along the extending direction of the support columns 11.

For example, as shown in fig. 1 and 2, four support columns 11 may be integrally formed at the top of the base 1, the four support columns 11 may be disposed at four corner positions of the base 1, and the four support columns 11 may be cylindrical and may extend in the up-down direction. As shown in fig. 3, the table top 2 may be provided with four guide holes 23, and the four guide holes 23 may be provided at four corner positions of the table top 2, respectively.

During installation, four support columns 11 can insert in four guiding holes 23 respectively, can restrict mesa 2 circumference pivoted effect on the one hand by the cooperation of support column 11 and guiding hole 23, on the other hand can strengthen the guidance quality that mesa 2 removed to can promote the precision to sealing of battery.

In some embodiments, the base 1 includes a mounting plate 12, the mounting plate 12 is disposed on top of the plurality of support columns 11, and the second mold 4 is mounted to the mounting plate 12. For example, as shown in fig. 1, the mounting plate 12 may be a rectangular plate, the top ends of the four support columns 11 may be connected and fixed to the mounting plate 12, the mounting plate 12 may be disposed opposite to the table top 2 in the up-down direction, and the second mold 4 may be fixed to the mounting plate 12, thereby facilitating the mounting and fixing of the second mold 4.

In some embodiments, the first mold 3 and the second mold 4 are provided in plurality, the mold channels 31 of the plurality of first molds 3 are communicated with the table-board channels 21, and the plurality of first molds 3 are matched with the plurality of second molds 4 in a one-to-one correspondence.

For example, the top side of the table top 2 may be provided with a plurality of outlets, which may be arranged at intervals in the left-right direction. The first mould 3 and the second mould 4 are built in one piece and the number of first moulds 3 and second moulds 4 is the same as the number of outlets of the mesa channels 21 on the top side of the mesa 2. The first molds 3 may be installed at the outlets of the mesa passage 21 in one-to-one correspondence, and the second molds 4 may be assembled above the first molds 3 in one-to-one correspondence.

When the sealing device is used, sealing of a plurality of button cells can be achieved through the first dies 3 and the second dies 4, so that sealing efficiency can be improved, and batch consistency can be guaranteed. After the sealing is finished, the battery grooves 32 of the plurality of first molds 3 are communicated with the table-board channel 21, so that the batteries in the battery grooves 32 of the plurality of first molds 3 can be blown out simultaneously by the air charging assembly 6, and the demolding of the plurality of sealed batteries is facilitated.

In some embodiments, as shown in fig. 3-5, the first mold 3 includes an inner frame 33 and an outer frame 34, wherein the inner frame 33 may be generally cylindrical, as particularly shown in fig. 6 and 7. The outer frame 34 may be a circular column, and specifically may be as shown in fig. 8 and 9. The inner frame 33 is detachably connected to the table top 2, for example, the inner frame 33 may be fixedly connected to the table top 2 by fasteners.

The outer frame 34 is fitted around the outer periphery of the inner frame 33 and is screw-fitted to the inner frame 33. For example, as shown in fig. 6, the bottom circumferential side of the inner frame 33 may be provided with an external thread 332, and as shown in fig. 8, the bottom inner circumferential side of the outer frame 34 may be provided with an internal thread 341. When the inner frame 33 and the outer frame 34 are assembled, the inner frame 33 and the outer frame 34 may be fixedly coupled by screw-fitting the inner screw 341 and the outer screw 332.

The battery jar 32 can be arranged at the top of the outer frame 34, and when in use, the size of the battery jar 32 can be changed by changing different outer frames 34, thereby facilitating the processing of button batteries with different types and specifications.

In other embodiments, the inner frame 33 and the outer frame 34 may be integrally provided, and sealing processing may be performed on different types of button cells by integrally replacing the first mold 3.

In some embodiments, the inner frame 33 includes an annular portion 331, a plurality of mounting holes 3311 are formed in the annular portion 331, a plurality of fixing piles 22 are formed on the table 2, and the plurality of fixing piles 22 are correspondingly fitted into the plurality of mounting holes 3311 one by one.

For example, as shown in fig. 4 to 7, the annular portion 331 may be integrally formed at the bottom of the inner frame 33, and the radial dimension of the annular portion 331 is greater than the radial dimension of the remaining inner frame 33. As shown in fig. 7, the annular portion 331 may be provided with two fitting holes 3311, both fitting holes 3311 penetrating the annular portion 331 in the up-down direction, and the two fitting holes 3311 being oppositely arranged in the left-right direction.

Correspondingly, as shown in fig. 2, two fixing piles 22 may be integrally formed on the table top 2, the fixing piles 22 may protrude from the upper surface of the table top 2, and the cross-sectional shape of the fixing piles 22 may be adapted to the hole pattern of the assembly hole 3311. When the inner frame 33 is installed, the two fixing piles 22 can be respectively inserted into the corresponding assembly holes 3311, so that the circumferential limiting constraint on the inner frame 33 can be realized, and the installation and the disassembly are convenient.

While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.

Claims (10)

1. A battery seal mold, comprising:

a base;

the table top is movably assembled on the seat body, and a table top channel is arranged in the table top;

the first die is provided with a die channel and a battery groove, the first die is arranged on the table top, the die channel is communicated between the table top channel and the battery groove, the second die is arranged on the seat body, and the first die is used for being in press fit with the second die to seal a battery in the battery groove;

the air drive assembly comprises an air source, a cylinder body and a piston, wherein the cylinder body is arranged in the seat body, and the piston is matched in the cylinder body and is used for moving to push the table top after the air source is used for introducing air into the cylinder body;

the air charging assembly is arranged on the base body and communicated between the die channel and the cylinder body and/or the air source, and is used for guiding air in the cylinder body into the battery groove so as to eject the battery in the battery groove.

2. The battery seal mold according to claim 1, wherein the air blowing assembly includes a connection pipe connected between the table top and the base, and the connection pipe is retractable so that a length of the connection pipe can be adapted to a change in a distance between the table top and the base.

3. The battery sealing die as claimed in claim 2, wherein the air-flushing assembly comprises an air-flushing pipe and an air-flushing valve, the air-flushing pipe is connected between the connecting pipe and the cylinder body and/or the air source, and the air-flushing valve is arranged on the air-flushing pipe and used for controlling on-off of the air-flushing pipe.

4. The battery seal mold according to claim 2, comprising a pressure relief valve, the mesa passage being provided with a first port and a second port, the first port and the second port being arranged opposite to each other in a thickness direction of the mesa, the pressure relief valve being mounted at the first port of the mesa, the connection pipe being connected to the second port of the mesa.

5. The battery seal mold according to claim 1, wherein the second mold includes a mold head for fitting in the battery case and an elastic member elastically abutting against the mold head.

6. The battery seal mold according to claim 1, wherein the air-driving assembly comprises an air supply pipe connected between the cylinder and the air source, and the air-driving assembly comprises an air-driving valve, a check valve, a first air pressure gauge and a regulating valve, all of which are provided in the air supply pipe and located between the cylinder and the air source.

7. The battery seal mold according to claim 6, wherein the air-drive assembly includes a second air pressure gauge connected to the cylinder and configured to monitor air pressure within the cylinder.

8. The battery sealing mold according to claim 1, wherein the base comprises a plurality of support columns arranged at the top, the table top is provided with a plurality of guide holes, and the plurality of support columns are in one-to-one corresponding guide fit in the plurality of guide holes so that the table top can reciprocate along the extending direction of the support columns.

9. The battery sealing mold according to claim 1, wherein a plurality of first molds and a plurality of second molds are provided, wherein the mold passages of the plurality of first molds are communicated with the mesa passages, and the plurality of first molds are fitted with the plurality of second molds in one-to-one correspondence.

10. The battery sealing die according to any one of claims 1 to 9, wherein the first die includes an inner frame and an outer frame, the outer frame is annular and fixed on an outer peripheral side of the inner frame, the inner frame and/or the outer frame is detachably connected to the table top, the die passage is provided in the inner frame, and the battery container is provided in the outer frame.