CN210403953U

CN210403953U - Battery piece wrapping machine

Info

Publication number: CN210403953U
Application number: CN201921499439.8U
Authority: CN
Inventors: 谭晓波; 杨辉平; 马荣
Original assignee: Zhejiang Meineng Electric Co ltd
Current assignee: Zhejiang Meineng Electric Co ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-04-24
Anticipated expiration: 2029-09-10

Abstract

The utility model discloses a battery flaker, include: the paper feeding and sheet wrapping device comprises a paper feeding mechanism and a sheet wrapping roller, wherein the sheet wrapping roller comprises an upper rotating roller and a lower rotating roller which are arranged at intervals up and down; the first sheet feeding device comprises a feeding transmission platform for placing and transmitting a first polar plate and a push rod which is arranged on one side of the feeding transmission platform and can push the first polar plate to a gap between an upper rotating roller and a lower rotating roller in a direction perpendicular to the feeding direction of the feeding transmission platform, and the partition plate paper sent out by the paper feeding mechanism is positioned between the feeding transmission platform and a feeding hole of the sheet wrapping roller and is in a naturally drooping state, and the paper plane of the partition plate paper faces the feeding hole of the sheet wrapping roller; the laminating bin is arranged on one side of the discharge port of the wrapping roller; the second sheet conveying device comprises a sheet storage box arranged on one side of the lamination bin and storing a second polar plate, a sheet conveying manipulator positioned above the sheet storage box and a moving mechanism capable of driving the sheet conveying manipulator to reciprocate above the sheet storage box and above the lamination bin. The utility model discloses it is convenient and smooth and easy, high-efficient and the quality of package piece of form advancing is secure.

Description

Battery piece wrapping machine

Technical Field

The utility model relates to an automobile power battery piece wrapping technical field especially relates to a battery piece wrapping machine.

Background

In the production process of the storage battery, a process is provided for assembling a positive plate, a negative plate and a separator paper into a plate group, and the separator paper is sandwiched between the positive plate and the negative plate, so the process is generally called as a 'sheet wrapping' or 'plate wrapping' process in the industry. The production of present flaker is gradually evolved into semi-automatization or even full automatization production by the more manpower intervention of needs before, and the semi-automatization cost is practiced thrift relatively, but degree of automation remains to be improved, and full automatization flaker is comparatively large-scale, and the acquisition cost is big, and it is also inconvenient to maintain.

According to the patent document with the publication number of CN102867994B, the automatic sheet wrapping machine comprises a sheet feeding rail, wherein a first feeding station, a sheet feeding station, a second feeding station, a material supplementing station, a material shifting device and a limiting block are sequentially arranged on the sheet feeding rail, a lifting mechanism is arranged below the limiting block, a material bearing plate for bearing and connecting a polar plate is arranged on the lifting mechanism, a box packing mechanism and a box feeding mechanism are arranged at one end of the material bearing plate, and a material bearing plate for connecting the material bearing plate is arranged on the box packing mechanism. The polar plates sent out by the first feeding station are packaged on the paper feeding station, the packaged polar plates are overlapped with another polar plate on the second feeding station, the overlapped polar plate groups are righted under the action of the material stirring device and the limiting block and fall into the lifting mechanism, the lifting mechanism pushes the polar plate groups to the boxing mechanism, the boxing mechanism completes boxing of the polar plate groups, the whole operation process is completed in a flow line mode in one step, and the packaging efficiency and quality of the polar plates are improved; the improvement of the degree of automation correspondingly reduces the chance of manual contact with the pole piece, and the harm of lead dust to operators is greatly reduced. In the production process of the assembly line, how the first feeding station feeds materials efficiently and accurately, how the feeding station feeds paper more smoothly and how the paper is wrapped more efficiently, how the wrapped sheet polar plate after wrapping the sheet is conveyed to the second feeding station in high quality, and the fact that the separator paper does not fall off from the wrapped sheet polar plate or turns over the wrapped sheet polar plate is guaranteed, so that the quality of a finally formed storage battery finished product is influenced, and the control is very necessary.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to above-mentioned prior art, provide a degree of automation height, form advance smoothly, wrap the high-efficient and guaranteed battery of quality of piece machine.

In order to realize the purpose, the utility model discloses a technical scheme be:

a battery sheet wrapping machine comprising:

the paper feeding and sheet wrapping device comprises a paper feeding mechanism and a sheet wrapping roller positioned below the paper feeding mechanism, wherein the sheet wrapping roller comprises an upper rotating roller and a lower rotating roller which are arranged at intervals up and down;

the first sheet feeding device is arranged on one side of the feeding hole of the sheet wrapping roller, is used for conveying a first polar plate to a gap between the upper rotating roller and the lower rotating roller, and comprises a feeding transmission platform for placing and transmitting the first polar plate and a push rod which is arranged on one side of the feeding transmission platform and can push the first polar plate to the gap between the upper rotating roller and the lower rotating roller in a direction perpendicular to the feeding direction of the feeding transmission platform, wherein the partition plate paper sent by the paper feeding mechanism is positioned between the feeding transmission platform and the feeding hole of the sheet wrapping roller and is in a naturally drooping state, and the paper plane of the partition plate faces the feeding hole of the sheet wrapping roller;

the lamination bin is arranged on one side of the discharge port of the wrapping roller and is internally provided with an elastic telescopic table;

the second sheet feeding device comprises a sheet storage box arranged on one side of the lamination bin and used for storing a second polar plate, a sheet feeding mechanical arm positioned above the sheet storage box and a moving mechanism capable of driving the sheet feeding mechanical arm to move in a reciprocating mode above the sheet storage box and above the lamination bin; and the lower end of the sheet feeding mechanical arm is provided with a positioning and sucking mechanism.

In the scheme, the partition paper is located between the feeding transmission platform and the feeding hole of the sheet wrapping roller and is in a naturally drooping state, and the paper plane faces the feeding hole of the sheet wrapping roller, so that the partition paper is more easily transmitted by a paper feeding mechanism, the paper feeding difficulty is reduced, the smooth paper feeding is ensured, the feeding transmission platform and the push rod can automatically and orderly transmit the first pole piece to a gap between an upper rotating roller and a lower rotating roller of the sheet wrapping roller for autonomous sheet wrapping, the personnel intervention is not needed, the work is efficient, the upper rotating roller and the lower rotating roller have certain extrusion effect, the partition paper can be well attached to the surface of the first pole plate, the partition paper is prevented from being folded and turned over, and the quality of the sheet wrapping is ensured; the lamination cabin is used for storing the packed sheets and the electrode groups after lamination, an elastic telescopic table is arranged in the lamination cabin and can be used for adjusting the height in real time, the lamination cabin is kept flush with the first electrode plate after the packed sheets are discharged from the discharge port of the packing roller, the lamination process is convenient to carry out orderly, and the regularity of the laminated sheets is guaranteed; the second send the piece device to adopt and send a piece manipulator location to absorb the second polar plate and reciprocate between lamination storehouse top and storage film box top through moving mechanism to accomplish the automatic orderly lamination of second polar plate, to sum up, whole package piece process automation degree is high, need not personnel's excessive intervention, is applicable to the package piece and the lamination production of great type battery, and production efficiency can obtain promoting.

Furthermore, the second film feeding device further comprises a box feeding transmission table, and the film storage box is placed above the box feeding transmission table. The high-efficiency replacement of the storage box is facilitated, the personnel intervention is further reduced, the labor expenditure is reduced, and the production efficiency is improved.

Furthermore, the bottom of the storage box is downwards protruded to form a limiting column, and the box conveying table is provided with a positioning hole matched with the limiting column. The spacing column and the positioning hole are matched to limit the position of the sheet storage box, so that the sheet storage box is prevented from deviating, the positioning suction of the sheet feeding mechanical arm is influenced, and the moving accuracy and reliability are improved.

Further, the storage box comprises a box body and an elastic part which is arranged in the box body and can stretch out and draw back up and down, a piece placing table is arranged at the top end of the elastic part, and a pressure induction meter is arranged on the upper surface of the piece placing table. Be zero when detecting the pressure value that the pressure-sensitive gauge response, open and send the position that box transmission platform transmitted a storage box to direction of transfer to accomplish the storage box intelligence that need not personnel to intervene and replace, improve production efficiency.

Furthermore, the moving mechanism is opposite to the box conveying transmission table and/or the film conveying manipulator is provided with a first proximity switch for sensing whether the film storage box is positioned right below. The cassette conveying table is convenient and accurate to control when the cassette conveying table stops so that a new cassette storage box can be conveyed in place.

Furthermore, the paper feeding and wrapping device also comprises a second proximity switch which is positioned below the wrapping roller and used for sensing whether the lowest end of the partition paper sent by the paper feeding mechanism reaches a designated position or not. The length of the separator paper can be accurately controlled, sufficient separator paper is placed between the two polar plates, and the quality of a battery finished product is guaranteed.

Further, paper feeding mechanism includes rotatable paper feed roller, can dismantle the connection and is in paper roll on the paper feed roller, be located a plurality of spacing deflector rolls of paper feed roller below and being located two of spacing deflector roll below are relative pivoted drive roll, baffle paper on the scroll is walked around a plurality of in proper order downwards spacing deflector roll passes two clearance between the drive roll extends the setting downwards. It is a plurality of spacing deflector roll is favorable to guaranteeing the rising of baffle paper, improves the roughness of baffle paper, and two drive rolls rotate relatively, provide a power of pulling downwards to baffle paper.

Further, the paper feeding mechanism also comprises a paper cutter positioned between the partition paper and the wrapping roller, and the paper cutter is connected with a lifting arm. The lifting arm drives the paper cutter to move up and down, and timely cutting of the partition paper is achieved.

Further, the paper feeding mechanism further comprises an infrared sensor which is arranged above the paper feeding roller and used for sensing whether the thickness of the paper roll is less than the preset thickness. Be favorable to setting up the alarm and sense when scroll thickness is less than preset thickness at infrared inductor, send corresponding suggestion, the change of suggestion relevant personnel attach attention to the scroll avoids the long-time interrupt of production, improves production efficiency.

Further, still including locating be used for the transmission under the lamination storehouse the storehouse transmission platform that send in lamination storehouse, send the transmission direction of storehouse transmission platform with the transmission direction of pay-off transmission platform is unanimous, the flexible platform includes the elastic component and puts the piece platform, it is equipped with pressure-sensitive gauge to put piece bench surface. The automatic and intelligent replacement of the lamination cabin is facilitated, and the lamination efficiency is improved.

After the technical scheme is adopted, the beneficial effects of the utility model are that: the battery plate wrapping machine is capable of reducing the structural configuration requirement of a paper feeding mechanism, guaranteeing smooth paper feeding, improving the conveying efficiency of a first polar plate, and improving the accuracy, effectiveness, quality and efficiency of wrapping the first polar plate; the conveying efficiency and the lamination position accuracy of the second polar plate can be improved, the replacement efficiency of the storage box and the lamination bin can be improved, the automation degree of the whole machine is high, and the production efficiency is high.

Drawings

In order to more clearly illustrate embodiments of the present invention or the technical solutions of the prior art, the drawings are as follows:

fig. 1 is a schematic structural view of a battery wrapping machine provided in embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a preferred battery piece wrapping machine provided in embodiment 2 of the present invention;

fig. 3 is a schematic structural view of a preferred storage box provided in embodiment 2 of the present invention;

fig. 4 is a schematic structural view of a preferred battery wrapping machine provided in embodiment 3 of the present invention;

fig. 5 is a schematic structural diagram of another view angle of the preferred battery flaker according to embodiment 3 of the present invention.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example 1

As shown in fig. 1, the present embodiment provides a battery wrapping machine, including:

the paper feeding and sheet wrapping device comprises a paper feeding mechanism 11 and a sheet wrapping roller 12 positioned below the paper feeding mechanism 11, wherein the sheet wrapping roller 12 comprises an upper rotating roller 121 and a lower rotating roller 122 which are arranged at intervals up and down; the upper rotating roller 121 and the lower rotating roller 122 can be controlled by a motor to rotate relatively, and both of the upper rotating roller and the lower rotating roller rotate actively; only one of the upper rotating roller 121 and the lower rotating roller 122 can be driven by a driving motor to rotate actively, and the other can rotate passively due to the friction between the rollers and the partition paper;

the first sheet feeding device is arranged on one side of a feeding hole of the sheet wrapping roller 12, the feeding hole of the sheet wrapping roller 12 can roll and press a first polar plate and a paper partition plate, the first sheet feeding device is used for conveying the first polar plate to a gap between the upper rotating roller 121 and the lower rotating roller 122, the first sheet feeding device comprises a feeding transmission platform 21 used for placing and transmitting the first polar plate and a push rod 22 arranged on one side of the feeding transmission platform 21 and capable of pushing the first polar plate to the gap between the upper rotating roller 121 and the lower rotating roller 122 in a direction perpendicular to the feeding direction of the feeding transmission platform 21, the push rod 22 is an electric or pneumatic telescopic push rod, and in order to ensure that the first polar plate can be pushed, preferably, the width of a part of the push rod 22 in direct contact with the first polar plate is larger than or equal to that of the first polar plate, the paper partition plate sent by the paper feeding mechanism 11 is positioned between the feeding transmission platform 21 and the feeding hole of the sheet wrapping roller 12 and is in a naturally drooping state, and the paper plane of the feeding hole of;

the lamination bin 3 is arranged on one side of a discharge port of the wrapping roller 12, and an elastic telescopic table is arranged in the lamination bin 3;

the second sheet feeding device comprises a sheet storage box 41 arranged on one side of the lamination bin 3 and used for storing a second polar plate, a sheet feeding manipulator 42 positioned above the sheet storage box 41 and a moving mechanism 43 capable of driving the sheet feeding manipulator 42 to reciprocate above the sheet storage box 41 and above the lamination bin 3, wherein the moving mechanism 43 can be a KK module in the prior art; the lower end of the sheet feeding manipulator 42 is provided with a positioning suction mechanism 421, and the operation mode of the positioning suction mechanism 421 can refer to the design of the lamination machine in the prior art.

The elastic coefficient of the elastic telescopic table is determined according to the weight of the first polar plate, the partition paper for wrapping the plate and the weight of the second polar plate, so that when a unit consisting of the first polar plate, the partition paper for wrapping the plate and the second polar plate is placed on the elastic telescopic table, the unit is just lowered to be flush with the bottom plane of the first polar plate after the plate is wrapped and discharged from the wrapping roller 12 due to gravity factors, the sequential and stable superposition of the subsequent polar plates is ensured, and the quality of a battery finished product is further ensured, instead of the prior art that the first polar plate after being wrapped directly falls into the lamination bin 3, a plurality of uncertain factors are easily generated in the falling process, such as the fold, the falling or the turnover of the partition paper plate and the like, and the quality of the battery is not ensured; in general, the first electrode plate and the second electrode plate are positive and negative, that is, if the first electrode plate is a positive electrode plate, the second electrode plate is a negative electrode plate.

In the scheme, the partition paper is located between the feeding transmission platform 21 and the feeding hole of the sheet wrapping roller 12 and is in a naturally drooping state, and the paper plane faces the feeding hole of the sheet wrapping roller 12, so that the partition paper is more easily transmitted by the paper feeding mechanism 11, the paper feeding difficulty is reduced, the smooth paper feeding is guaranteed, the feeding transmission platform 21 and the push rod 22 can automatically and orderly transmit the first pole piece to the gap between the upper rotating roller 121 and the lower rotating roller 122 of the sheet wrapping roller 12 for autonomous sheet wrapping, personnel intervention is not needed, the work is high-efficiency, the upper rotating roller 121 and the lower rotating roller 122 have a certain extrusion effect, the partition paper can be well attached to the surface of the first pole plate, the partition paper can be prevented from being folded and turned over, and the sheet wrapping quality is; the lamination bin 3 is used for storing the wrapped sheets and the laminated plate groups, an elastic telescopic table is arranged in the lamination bin 3 and can be used for adjusting the height in real time, the elastic telescopic table is flush with the first wrapped sheet electrode discharged from the discharge port of the wrapping roller 12, the lamination process is convenient to carry out orderly, and the regularity of the laminated plates is guaranteed; the second send the piece device to adopt and send piece manipulator 42 location to absorb the second polar plate and reciprocate between lamination storehouse 3 top and storage film box 41 top through moving mechanism 43 to accomplish the automatic orderly lamination of second polar plate, to sum up, whole package piece process automation degree is high, need not personnel's excessive intervention, is applicable to the package piece and the lamination production of great type battery, and production efficiency can obtain promoting.

Example 2

The embodiment provides the battery plate wrapping machine with higher automation and intelligence degree, which is beneficial to further improving the working efficiency; as shown in fig. 2, the difference between this embodiment and the previous embodiment is that the second sheet feeding device in this embodiment further includes a cassette feeding and conveying table 44, and the sheet cassette 41 is placed above the cassette feeding and conveying table 44. The efficient replacement of the storage box 41 is facilitated, the personnel intervention is further reduced, the labor expenditure is reduced, and the production efficiency is improved.

The bottom of the storage box 41 protrudes downwards to form a limiting column 411, and the box conveying table 44 is provided with a positioning hole 441 matched with the limiting column 411. The matching of the limiting column 411 and the positioning hole 441 is beneficial to limiting the orientation of the sheet storage box 41, so that the sheet storage box 41 is prevented from deviating and influencing the positioning suction of the sheet feeding manipulator 42, and the moving accuracy and reliability are improved.

As shown in fig. 3, the sheet storage box 41 includes a box body 412 and an elastic member 413 which is arranged in the box body 412 and can stretch up and down, a sheet placing table 414 is arranged at the top end of the elastic member 413, and a pressure sensor 5 is arranged on the upper surface of the sheet placing table 414. The pressure value that is favorable to setting up when detecting that pressure sensor 5 response is zero, opens and send the position that box transmission platform 44 transmitted a storage box 41 to the direction of transfer to accomplish the storage box 41 intelligence replacement that need not personnel to intervene, improve production efficiency.

Preferably, as shown in fig. 2, a first proximity switch 6 is disposed on the moving mechanism 43 opposite to the cassette-feeding conveying table 44 and/or on the sheet-feeding manipulator 42 for sensing whether the cassette 41 is located right below. It is generally preferable that a first proximity switch 6 is provided at one position, if the moving mechanism 43 is opposite to the cassette-feeding conveying table 44 and the first proximity switch 6 is provided on the cassette-feeding manipulator 42, the positions are different, so that the positions of the cassette-placing table 414 and the cassette 412 of the cassette 41 can be conveniently ensured, and the inaccuracy of positioning and sucking of the second pole plate when the cassette 41 has a quality problem can be avoided;

specifically, the first proximity switch 6 may be a photoelectric sensing switch, when the photoelectric sensing switch is disposed on the moving mechanism 43, it needs to ensure that the cassette-sending transmission platform 44 reaches the position, and when a motor of the cassette-sending transmission platform 44 is stopped due to a signal change of the photoelectric sensing switch, the sheet-sending manipulator 42 can directly position and suck the corresponding second polar plate downwards, so as to ensure the positioning accuracy; it is advantageous to facilitate accurate control of when the magazine transport station 44 stops for the transfer of a new magazine 41 into position to start a new round of laminations.

Here, preferably, the stacking magazine 3 is provided with a feeding transport table for transporting the stacking magazine 3, and the transport of the feeding transport table can be consistent with that of the feeding transport table 44, that is, two motors are synchronously driven, or only one motor is provided, but the feeding transport table 44 is in transmission connection with the feeding transport table; the basis is that after the second pole plate lamination in one storage box 41 is used, a complete pole group is completed, the operation of the wrapping and lamination of the next complete pole group can be started, the lamination cabin 3 and the storage box 41 are placed in a flush manner, and the storage box 41 is accurately in place, namely the lamination cabin 3 is accurately in place; since it takes a certain time X for the transfer of the moving mechanism 43 and the wafer feeding robot 42 to release the second plate, it is preferable that the motor of the cassette feeding stage 44 is started again after X time after receiving a pressure value sensed by the pressure gauge as zero.

The paper feeding and wrapping device further comprises a second proximity switch 7 which is positioned below the wrapping roller 12 and used for sensing whether the lowest end of the partition paper sent by the paper feeding mechanism 11 reaches a specified position. The length of the separator paper can be accurately controlled, the separator paper with sufficient length is placed between the two polar plates, and the quality of a battery finished product is guaranteed.

Example 3

As shown in fig. 4 and fig. 5, the difference between the present embodiment and the previous embodiment is that the paper feeding mechanism 11 in the present embodiment includes a rotatable paper feeding roller 111, a paper roll 112 detachably connected to the paper feeding roller 111, a plurality of limiting guide rollers 113 located below the paper feeding roller 111, and two driving rollers 114 located below the limiting guide rollers 113 and rotating relatively, the paper roll 112 and the paper feeding roller 111 cannot rotate relatively, and the partition paper on the paper roll 112 sequentially crosses and bypasses the plurality of limiting guide rollers 113 downward and passes through a gap between the two driving rollers 114 to extend downward. The limiting guide rollers 113 are at least two, preferably, the limiting guide rollers are rotating rollers capable of being stressed to rotate relatively, the limiting guide rollers 113 are beneficial to ensuring the tension of the separator paper, the flatness of the separator paper is improved, and the two driving rollers 114 rotate relatively to provide power for pulling the separator paper downwards. The paper feed roller 111 may be further configured to actively rotate in addition to being configured to be rotated by a force only when the driving roller 114 relatively rotates, thereby improving flexibility of paper feed adjustment.

As shown in fig. 5, the paper feeding mechanism 11 further includes a paper cutter 13 located between the separator paper and the wrapping roller 12, a knife surface of the paper cutter 13 faces downward, and a lifting arm 14 is connected to the paper cutter 13. The lifting arm 14 drives the paper cutter 13 to move up and down, so that timely cutting of partition paper is achieved, when the rear end of the first polar plate after being wrapped is completely fed into the feed inlet, the lifting arm 14 can descend to drive the paper cutter 13 to descend to cut the partition paper, and after cutting is completed, the lifting arm 14 drives the paper cutter 13 to ascend to the initial position, so that the wrapping process of the follow-up first polar plate is prevented from being blocked.

The paper feeding mechanism 11 further comprises an infrared sensor 8 arranged above the paper feeding roller 111 and used for sensing whether the thickness of the paper roll 112 is smaller than a preset thickness or not, the infrared sensor 8 is connected with an alarm through a controller, the infrared sensor 8 is arranged at the position of the thickness of the paper roll 112, and when the paper of the paper roll 112 is reduced to the extent that the light of the infrared sensor 8 is not blocked, namely the paper roll 112 is smaller than the preset thickness and needs to be replaced. Above-mentioned setting is favorable to the alarm to sense scroll 112 thickness at infrared inductor 8 and is less than when predetermineeing thickness, sends corresponding suggestion, and the change of suggestion relevant personnel attach importance to scroll 112 avoids the long-time interrupt of production, improves production efficiency.

Still including locating be used for the transmission under the lamination storehouse 3 the storehouse transmission platform 31 is sent in the storehouse of lamination storehouse 3, send the transmission direction of storehouse transmission platform 31 with the transmission direction of pay-off transmission platform 21 is unanimous, the flexible platform includes elastic component 413 and puts piece platform 414, it is equipped with pressure gauge 5 to put piece platform 414 upper surface. In this embodiment, the motor of the feeding bin transmission table 31 and the motor of the feeding box transmission table 44 are not synchronous, when the pressure value of the pressure sensor 5 on the elastic expansion table of the motor of the feeding bin transmission table 31 exceeds a set weight value, the motor is controlled to start to operate, and after a certain distance is transmitted, the next empty lamination bin 3 is transmitted to the corresponding lamination station, in order to ensure that the stopping time of the motor is more appropriate, in exemplary embodiment 2, a moving mechanism is provided to set a proximity switch right opposite to the lamination station for controlling the timely stop of the motor.

In conclusion, the automatic and intelligent timely replacement of the lamination cabin 3 is facilitated, and the lamination efficiency is improved.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A battery plate wrapping machine is characterized by comprising:

2. The battery pack machine of claim 1, wherein the second pack feeding device further comprises a pack feeding and conveying table, and the storage pack is placed above the pack feeding and conveying table.

3. The battery plate wrapping machine of claim 2, wherein a limiting column is formed at the bottom of the storage box in a downward protruding manner, and a positioning hole matched with the limiting column is formed in the box conveying table.

4. The battery plate wrapping machine according to claim 2, wherein the plate storage box comprises a box body and an elastic member which is arranged in the box body and can stretch up and down, a plate placing table is arranged at the top end of the elastic member, and a pressure sensor is arranged on the upper surface of the plate placing table.

5. The battery pack machine as claimed in claim 2, wherein the moving mechanism is provided with a first proximity switch for sensing whether the storage box is located right below the box feeding conveying table and/or the box feeding manipulator.

6. The battery pack machine as claimed in claim 1, wherein the paper feeding and packing device further comprises a second proximity switch located below the packing roller for sensing whether the lowest end of the partition paper fed by the paper feeding mechanism reaches a specified position.

7. The battery flaker of claim 1, wherein the paper feeding mechanism comprises a rotatable paper feeding roller, a paper roll detachably connected to the paper feeding roller, a plurality of limiting guide rollers located below the paper feeding roller, and two driving rollers located below the limiting guide rollers and rotating relatively, and the partition paper on the paper roll sequentially bypasses the limiting guide rollers and passes through a gap between the two driving rollers to extend downwards.

8. The battery pack machine as claimed in claim 7, wherein the paper feeding mechanism further comprises a paper cutter between the separator paper and the pack roller, the paper cutter being connected to a lifting arm.

9. The battery pack machine of claim 7, wherein the paper feeding mechanism further comprises an infrared sensor disposed above the paper feeding roller for sensing whether the thickness of the paper roll is less than a predetermined thickness.

10. The battery pack machine of claim 1, further comprising a bin feeding conveying table arranged below the pack bin and used for conveying the pack bin, wherein the conveying direction of the bin feeding conveying table is consistent with the conveying direction of the feeding conveying table, the elastic expansion table comprises an elastic piece and a sheet placing table, and a pressure induction meter is arranged on the upper surface of the sheet placing table.