CN221447191U - Battery string production equipment - Google Patents

Abstract

The utility model relates to the technical field of battery string production, in particular to battery string production equipment, which comprises: the device comprises a conveying mechanism, a sheet feeding mechanism, a belt feeding mechanism, a film feeding mechanism, a first conveying mechanism, a second conveying mechanism and a third conveying mechanism, wherein a front conveying station and a rear conveying station are sequentially arranged on a conveying path of the conveying mechanism, a heating element is arranged on the rear conveying station, the first conveying mechanism conveys the battery sheet on the sheet feeding mechanism to the front conveying station, after the battery sheet is conveyed to the rear conveying station, the second conveying mechanism conveys and stacks the welding belt on the battery sheet, the third conveying mechanism conveys and stacks the film on the film feeding mechanism on the welding belt, and the heating element heats the film to enable the film to be adhered with the battery sheet to fix the welding belt on the battery sheet, so that a battery string is formed. When the battery string is produced, the front conveying station is paved with the battery pieces, and the rear conveying station is paved with the welding strips and the films, so that the production efficiency of the battery string is improved.

Description

Battery string production equipment

Technical Field

The utility model relates to the technical field of battery string production, in particular to battery string production equipment.

Background

When producing a battery string, firstly, M battery pieces are paved on a workbench, then M+1 assembly welding strips are paved on the surfaces of the M battery pieces in a staggered way, a membrane is paved on each battery piece, finally, the membrane is heated to be adhered with the battery pieces, and the welding strips are fixed on the surfaces of the battery pieces to form the battery string. Wherein M is more than or equal to 2, and M is an integer.

In the prior art, different mechanisms are used for carrying the battery piece, the welding strip and the membrane, the battery piece, the welding strip and the membrane are sequentially stacked at the same position on the workbench, the whole laying time of the battery piece, the welding strip and the membrane is long, and the production efficiency of the battery string is low.

Disclosure of utility model

Aiming at the defects in the prior art, the utility model provides a battery string production device.

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

A battery string production apparatus comprising: the battery sheet conveying device comprises a conveying mechanism, a sheet feeding mechanism, a belt feeding mechanism, a film feeding mechanism, a first conveying mechanism, a second conveying mechanism and a third conveying mechanism, wherein a front conveying station and a rear conveying station are sequentially arranged on a conveying path of the conveying mechanism, the sheet feeding mechanism is arranged at one side or the front end of the front conveying station, and the first conveying mechanism is used for conveying a battery sheet on the sheet feeding mechanism to the front conveying station; the device comprises a rear conveying station, a first conveying mechanism, a second conveying mechanism, a third conveying mechanism, a welding strip conveying mechanism, a battery piece, a film feeding mechanism and a film feeding mechanism, wherein the first conveying mechanism is used for conveying a welding strip on the first conveying station and stacking the welding strip on the second conveying station, the film feeding mechanism and the film feeding mechanism are respectively arranged on two sides of the rear conveying station, the second conveying mechanism is used for conveying a film on the film feeding mechanism and stacking the film on the welding strip on the rear conveying station, and a heating element is arranged on the rear conveying station.

Further, the second handling mechanism comprises a second cross beam and N clamping assemblies arranged below the second cross beam at intervals, the third handling mechanism comprises a third cross beam and N-1 grabbing modules arranged below the third cross beam at intervals, and the grabbing modules can be inserted into gaps between the clamping assemblies, wherein N is larger than or equal to 3 and is an integer.

Further, the grabbing module comprises a middle grabbing module and an end grabbing module, and the end grabbing module can downwards extend and laterally extend relative to the middle grabbing module, so that the bottom surface of the end grabbing module is flush with the bottom surface of the middle grabbing module, and meanwhile the end grabbing module is far away from the middle grabbing module.

Further, the battery pack also comprises a fourth conveying mechanism and an adhesive tape mechanism, wherein the sheet feeding mechanism and the adhesive tape mechanism are respectively arranged on two sides of the front conveying station, and the fourth conveying mechanism is used for conveying and stacking the adhesive tape on the adhesive tape mechanism on the battery sheets on the front conveying station, so that the adhesive tape covers gaps between two adjacent battery sheets.

Further, the front transfer station is also provided with the heating element.

Further, the battery string production equipment further comprises a first longitudinal beam arranged above the front conveying station, the length direction of the first longitudinal beam is perpendicular to the conveying direction of the conveying mechanism, and the first conveying mechanism and the fourth conveying mechanism are movably arranged on the first longitudinal beam.

Further, the battery string production equipment further comprises a second longitudinal beam arranged above the rear conveying station, the length direction of the second longitudinal beam is perpendicular to the conveying direction of the conveying mechanism, and the second conveying mechanism and the third conveying mechanism are movably arranged on the second longitudinal beam.

Further, the conveying mechanism comprises a base frame and a conveying belt sleeved on the base frame, and the heating element is arranged in the base frame below the conveying surface of the conveying belt.

Further, a flexible roller is arranged at the tail end of the conveyor belt.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

The present utility model provides a battery string production apparatus including: the device comprises a conveying mechanism, a sheet feeding mechanism, a belt feeding mechanism, a film feeding mechanism, a first conveying mechanism, a second conveying mechanism and a third conveying mechanism, wherein a front conveying station and a rear conveying station are sequentially arranged on a conveying path of the conveying mechanism, a heating element is arranged on the rear conveying station, the first conveying mechanism conveys the battery sheet on the sheet feeding mechanism to the front conveying station, after the battery sheet is conveyed to the rear conveying station, the second conveying mechanism conveys and stacks the welding belt on the battery sheet, the third conveying mechanism conveys and stacks the film on the film feeding mechanism on the welding belt, and the heating element heats the film to enable the film to be adhered with the battery sheet to fix the welding belt on the battery sheet, so that a battery string is formed. When the battery string is produced, the front conveying station is paved with the battery pieces, and the rear conveying station is paved with the welding strips and the films, so that the production efficiency of the battery string is improved.

Drawings

Fig. 1 is a top view of a battery string production apparatus of the present utility model;

Fig. 2 is a schematic flow chart of the production of the battery string by the battery string production apparatus of the present utility model;

FIG. 3 is a top view of a conveyor mechanism according to the present utility model;

FIG. 4 is a perspective view of a first transport mechanism and a fourth transport mechanism according to the present utility model;

FIG. 5 is a schematic diagram showing the matching relationship between the second carrying mechanism and the third carrying mechanism according to the present utility model;

FIG. 6 is a perspective view of a gripper module according to the present utility model;

Fig. 7 is a schematic diagram of the cooperation of the gripper and the gripper module according to the present utility model.

Wherein: 10. a conveying mechanism; 101. a base frame; 102. a conveyor belt; 103. a heating element; 104. a flexible roller; 20. a sheet feeding mechanism; 30. a tape supply mechanism; 40. a film supply mechanism; 50. a first carrying mechanism; 51. a first cross beam; 52. a suction cup; 60. a second carrying mechanism; 61. a second cross beam; 62. a clamping assembly; 63. a clamp; 70. a third carrying mechanism; 71. a third cross beam; 72. a grabbing module; 721. a middle grabbing module; 722. an end grabbing module; 723. a driving member; 724. a guide member; 725. a first link; 726. a second link; 727. a hinge shaft; 728. a connecting seat; 80. an adhesive tape mechanism; 90. a fourth carrying mechanism; 91. a fourth cross beam; 92. an adsorption plate; 110. a front transfer station; 120. a post transfer station; 130. a first stringer; 140. a second stringer; 150. lifting driving; 160. a mounting arm; 200. a battery sheet; 300. welding a belt; 400. a membrane; 800. and (3) adhesive tape.

Detailed Description

The technical scheme and technical effects of the present utility model are further elaborated below in conjunction with the drawings of the present utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or element in question must be provided with a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.

As shown in fig. 1 to 3, the present utility model provides a battery string production apparatus comprising: the conveyance mechanism 10, the sheet feeding mechanism 20, the tape feeding mechanism 30, the film feeding mechanism 40, the first conveying mechanism 50, the second conveying mechanism 60, and the third conveying mechanism 70. The battery string production equipment is used for producing battery strings, each battery string comprises a battery piece 200, welding strips 300 connected to the back surface of the battery piece 200 and a membrane 400 adhered to the back surface of the battery piece 200, the welding strips 300 are distributed on the back surface of the battery piece 200 in an array staggered mode, the membrane 400 is made of a hot melt adhesive film, and adhesiveness is generated after the membrane 400 is heated and used for fixedly connecting the welding strips 300 to the battery piece 200.

The conveying path of the conveying mechanism 10 is sequentially provided with a front conveying station 110 and a rear conveying station 120, materials on the conveying mechanism 10 are conveyed to the rear conveying station 120 from the front conveying station 110, the rear conveying station 120 is provided with a heating element 103, and the heating element 103 is used for heating. The sheet feeding mechanism 20 is disposed at one side or the front end of the front conveying station 110, and is used for providing the battery sheet 200, and the sheet feeding mechanism 20 may be a magazine for holding the battery sheet 200 or a belt conveying mechanism for conveying the battery sheet 200. The first conveying mechanism 50 is disposed above the sheet feeding mechanism 20, and is used for conveying the battery sheet 200 on the sheet feeding mechanism 20 to the front conveying station 110. The tape supply mechanism 30 and the film supply mechanism 40 are respectively arranged at two sides of the rear conveying station 120, the tape supply mechanism 30 is used for preparing welding tapes 300, and the prepared welding tapes 300 are arranged on the tape supply mechanism 30 in an array staggered manner; the film supply mechanism 40 is used for preparing the film sheets 400, and the prepared film sheets 400 are arranged on the film supply mechanism 40 at equal intervals. The second carrying mechanism 60 is disposed above the tape supplying mechanism 30, and is used for carrying and stacking the solder tapes 300 on the tape supplying mechanism 30 on the battery pieces 200 located on the rear conveying station 120; the third carrying mechanism 70 is located above the film feeding mechanism 40, and is used for carrying and stacking the film 400 on the film feeding mechanism 40 on the welding strip 300 located on the rear conveying station 120.

When the battery string is produced, the first transporting mechanism 50 lays the battery piece 200 at the front transporting station, meanwhile, the rear transporting station 120 has the laid battery piece 200 transported by the front transporting station 110, and the second transporting mechanism 60 and the third transporting mechanism 70 lay the welding strip 300 and the membrane 400 on the battery piece 200 positioned on the rear transporting station 120 in sequence, thereby improving the production efficiency of the battery string.

In an alternative embodiment, the battery string production apparatus further includes a fourth carrying mechanism 90 and a tape mechanism 80, and the sheet feeding mechanism 20 and the tape mechanism 80 are disposed on both sides of the front transfer station 110, respectively. The sheet feeding mechanism 20 is a belt conveyor mechanism, and the battery sheets 200 are arranged on the conveyor belt with the back surfaces facing upward at equal intervals. The tape mechanism 80 is used for preparing the tape 800, the prepared tape 800 is arranged on the tape mechanism 80 at equal intervals, and the fourth conveying mechanism 90 is arranged above the tape mechanism 80 and is used for conveying and stacking the tape 800 on the tape mechanism 80 on the battery pieces 200 on the front conveying station 110, so that the tape 800 covers the gap between two adjacent battery pieces 200. The color of the adhesive tape 800 is similar to or the same as that of the battery pieces 200, and is used for covering gaps between the battery pieces 200, thereby improving the aesthetic property of the battery string. The adhesive tape 800 is also made of a hot melt adhesive film, and in order to prevent the adhesive tape 800 from being relatively displaced during the process of being transferred from the front transfer station 110 to the rear transfer station 120, the front transfer station 110 is also provided with a heating element 103, and the adhesive tape 800 is adhered to the battery sheet 200 after the heating element 103 heats the adhesive tape 800. The production process of the battery string comprises the following steps: a. paving the battery piece 200 on the front conveying station 110; b. covering the adhesive tape 800 in the gap between the adjacent battery cells 200 located at the front transfer station 110; c. transferring the battery sheet 200 and the adhesive tape 800 positioned at the front transfer station 110 to the rear transfer station 120; d, paving a welding strip 300 on the battery piece 200 positioned at the rear conveying station 120; e. the film 400 is laid on the battery sheet 200 positioned at the rear transfer station 120, and the film 400 is heated to manufacture a battery string.

It should be noted that, when producing the battery string, the heating element 103 may always work, so that the front conveying station 110 and the rear conveying station 120 always keep a certain temperature, so as to reduce the heating time of the adhesive tape 800 and the film 400, and further improve the production efficiency of the battery string.

The transfer mechanism 10 may be a flexible transfer mechanism or a comb-tooth transfer mechanism. Preferably, the conveyor mechanism 10 comprises a base frame 101 and a conveyor belt 102 that is sleeved on the base frame 101, and the heating element 103 is arranged in the base frame 101 below the conveying surface of the conveyor belt 102. The heating element 103 is a resistive heating element, such as a heating rod, heating wire. The end of the conveyor belt 102 is provided with a flexible roller 104. The ends of the flexible roller 104 are rotatably connected with a support provided on the base frame 101. The flexible roller 104 is in contact with the conveying surface of the conveyor belt 102 or is spaced apart from it by a distance less than the thickness of the battery string. The flexible roller 104 is made of flexible materials, such as sponge, rubber, knitting wool or cloth strips, and the like, and the circumference of the flexible roller is deformed tightly when the flexible roller contacts with the battery strings, and the flexible roller clings to the membrane 400, so that the membrane 400 is fully bonded and adhered with the battery piece 200. When the battery string is continuously transferred from the rear transfer station 120 to the next station, the battery string contacts the flexible roller 104, the flexible roller 104 rotates, the battery string is pressed by the flexible roller 104, and bubbles existing between the film 400 and the battery sheet 200 are eliminated, thereby improving the quality of the battery string.

Referring to fig. 1, 4 and 5 again, the battery string production apparatus further includes a first longitudinal beam 130 disposed above the front conveying station 110, and a second longitudinal beam 140 disposed above the rear conveying station 120, where the first longitudinal beam 130 and the second longitudinal beam 140 are disposed in parallel, and a length direction of the first longitudinal beam 130 is perpendicular to a conveying direction of the conveying mechanism 10, and the first conveying mechanism 50 and the fourth conveying mechanism 90 are movably disposed on the first longitudinal beam 130; the second conveying mechanism 60 and the third conveying mechanism 70 are movably provided on the second side member 140. The first transporting mechanism 50 and the fourth transporting mechanism 90 share the first longitudinal beam 130, and the second transporting mechanism 60 and the third transporting mechanism 70 share the second longitudinal beam 140, so that the equipment cost is saved.

The first carrying mechanism 50 comprises a first cross beam 51 and a sucker 52 arranged below the first cross beam 51 in an array manner, wherein the sucker 52 is used for sucking or releasing the battery piece 200; the second carrying mechanism 60 comprises a second cross beam 61 and N clamping assemblies 62 arranged below the second cross beam 61 at intervals, and the second clamping assemblies 62 are used for clamping or releasing the welding strip 300; the third handling mechanism 70 comprises a third cross beam 71 and N-1 grabbing modules 72 arranged below the third cross beam 71 at intervals, wherein the grabbing modules 72 are used for grabbing or releasing the membrane 400, the grabbing modules 72 can be inserted into gaps between the clamping assemblies 62, the membrane 400 is paved while the welding strip 300 is paved, and the welding strip 300 is fixed by the membrane 400; the fourth carrying mechanism 90 includes a fourth cross member 91 and N-1 suction plates 92 disposed below the fourth cross member 91 at intervals, the suction plates 92 being for sucking or releasing the adhesive tape 800. The first cross beam 51, the second cross beam 61, the third cross beam 71 and the fourth cross beam 91 are all connected with independent lifting drives 150 through independent mounting arms 160, namely four lifting drives 150 are arranged, two lifting drives 150 are arranged on the first longitudinal beam 130, the other two lifting drives are arranged on the second longitudinal beam 140, horizontal drives are arranged on the first longitudinal beam 130 and the second longitudinal beam 140, and the lifting drives 150 can be driven to longitudinally and horizontally move so as to realize the conveying functions of the first conveying mechanism 50, the second conveying mechanism 60, the third conveying mechanism 70 and the fourth conveying mechanism 90. The first cross member 51, the second cross member 61, the third cross member 71 and the fourth cross member 91 are parallel to each other and are horizontally perpendicular to the first longitudinal member 130. Wherein N is more than or equal to 3 and is an integer.

As shown in fig. 6 and 7, in the present embodiment, the capturing module 72 includes a middle capturing module 721 and an end capturing module 722, and the end capturing module 722 may extend downward and laterally with respect to the middle capturing module 721 such that the bottom surface of the end capturing module 722 is flush with the bottom surface of the middle capturing module 721, while the end capturing module 722 is far away from the middle capturing module 721, and the bottoms of the middle capturing module 721 and the end capturing module 722 are provided with adsorption holes for adsorbing the capturing film 400. The bottom of the clamping assembly 62 is provided with a clamp 63, the clamp 63 being used to clamp the end of the solder strip 300. The end gripping module 722 is movable relative to the middle gripping module 721 such that the bottom surface of the end gripping module 722 is flush with the bottom surface of the middle gripping module 721 while the end gripping module 722 is remote from the middle gripping module 721. The end grabbing module 722 is used for extending the membrane 400 along the position close to the end edge of the membrane 400, so that the whole adhesion of the membrane 400 is effectively smooth and firm, the phenomenon that the later stage is separated from the surface of the battery piece 200 is avoided, and the welding stability of the battery string is ensured.

In order to realize that the middle grabbing module 721 and the end grabbing module 722 of the grabbing module 72 can relatively lift and move away from or approach each other, in this embodiment, the grabbing module 72 further includes a driving member 723, a guiding member 724, a first connecting rod 725, a second connecting rod 726, a hinge shaft 727 and a connecting seat 728, one end of the connecting seat 728 is fixed to the bottom of the third cross beam 71, the other end of the connecting seat 728 is fixed to the middle grabbing module 721, the first connecting rod 725 is arranged on the end grabbing module 722, two groups of second connecting rods 726 are arranged, one ends of the two groups of second connecting rods 726 are hinged to the middle grabbing module 721, one group of the two groups of second connecting rods 726 is hinged to the first connecting rod 725, the other group of the two groups of second connecting rods 726 is hinged to the first connecting rod 725 through the hinge shaft 727, and the hinge shaft 727 extends into an inclined guiding hole of the guiding member 724 through the ends of the first connecting rod 725 and the second connecting rod 726; the guide member 724 is movably connected to the middle grabbing module 721, the driving member 723 is in driving connection with the guide member 724, and the driving member 724 is driven to perform lifting operation, so that the hinge shaft 727 slides in the inclined guide hole of the guide member 724 to drive the included angle between the first link 725 and the second link 726 to increase or decrease, so that the bottom surface of the end grabbing module 722 is flush with the bottom surface of the middle grabbing module 721, and meanwhile, the end grabbing module 722 is far away from the middle grabbing module 721.

In use, after gripping the membrane 400, the driving member 723 drives the guide member 724 to descend, at this time, the hinge shaft 727 on the second link 726 slides to the side of the inclined guide hole away from the first link 725, that is, the higher side, at this time, the angle between the first link 725 and the second link 726 decreases, the end gripping module 722 abuts against the middle gripping module 721, that is, the end gripping module 722 and the middle gripping module 721 are brought together, at this time, the bottom surface of the middle gripping module 721 and the bottom surface of the end gripping module 722 present a height difference, the bottom surface of the middle gripping module 721 protrudes to the side close to the membrane 400, so that the end of the membrane 400 absorbed by the end gripping module 722 is folded up, at this time, the second carrying mechanism 60 and the third carrying mechanism 70 approach each other, so that the gripping module 72 is inserted into the gap of the gripping assembly 62, the solder ribbon 300 is located directly under the membrane 400, the solder ribbon 300 and the membrane 400 are suspended over the battery sheet 200 located at the rear transfer station 120, the gripping module 72 is moved down, and the solder ribbon 300 is released, so that the solder ribbon 300 and the membrane 400 are sequentially stacked on the battery sheet 200. When the membrane 400 is laid on the battery plate 200, the upwardly folded end of the membrane 400 needs to be synchronously laid on the battery plate 200, at this time, the driving member 723 drives the guide member 724 to rise, at this time, the hinge shaft 727 on the second link 726 slides to the side of the inclined guide hole close to the first link 725, that is, the lower side, at this time, the included angle between the first link 725 and the second link 726 increases, the end grabbing module 722 is gradually separated from the middle grabbing module 721, at this time, the bottom surface of the middle grabbing module 721 and the bottom surface of the end grabbing module 722 present a height difference, the bottom surface of the middle grabbing module 721 and the bottom surface of the end grabbing module 722 are flush, and at the same time, the end grabbing module 722 extends the upwardly folded end of the membrane 400 when running in a direction away from the middle grabbing module 721, so as to further realize that the end of the membrane 400 is also laid on the battery plate 200.

The above disclosure is illustrative of the preferred embodiments of the present utility model and, of course, should not be taken as limiting the scope of the utility model, and those skilled in the art will recognize that all or part of the process for practicing the embodiments described herein can be practiced with equivalent arrangements which are within the purview of the present utility model.

Claims (9)

1. A battery string production apparatus, characterized by comprising: the device comprises a conveying mechanism (10), a sheet feeding mechanism (20), a belt feeding mechanism (30), a film feeding mechanism (40), a first conveying mechanism (50), a second conveying mechanism (60) and a third conveying mechanism (70), wherein a front conveying station (110) and a rear conveying station (120) are sequentially arranged on a conveying path of the conveying mechanism (10), the sheet feeding mechanism (20) is arranged at one side or the front end of the front conveying station (110), and the first conveying mechanism (50) is used for conveying a battery sheet (200) on the sheet feeding mechanism (20) to the front conveying station (110); the device comprises a rear conveying station (120), a first conveying mechanism (60) and a second conveying mechanism (70), wherein the first conveying mechanism (30) and the second conveying mechanism (40) are respectively arranged on two sides of the rear conveying station (120), the second conveying mechanism (60) is used for conveying and stacking welding strips (300) on the first conveying mechanism (30) on battery pieces (200) on the rear conveying station (120), the third conveying mechanism (70) is used for conveying and stacking films (400) on the second conveying mechanism (40) on the welding strips (300) on the rear conveying station (120), and heating elements (103) are arranged on the rear conveying station (120).

2. The battery string production apparatus according to claim 1, wherein: the second carrying mechanism (60) comprises a second cross beam (61) and N clamping assemblies (62) arranged below the second cross beam (61) at intervals, the third carrying mechanism (70) comprises a third cross beam (71) and N-1 grabbing modules (72) arranged below the third cross beam (71) at intervals, and the grabbing modules (72) can be inserted into gaps between the clamping assemblies (62), wherein N is larger than or equal to 3 and is an integer.

3. The battery string production apparatus according to claim 2, wherein: the gripping module (72) comprises a middle gripping module (721) and an end gripping module (722), the end gripping module (722) being extendable downward and sideways relative to the middle gripping module (721) such that the bottom surface of the end gripping module (722) is flush with the bottom surface of the middle gripping module (721), while the end gripping module (722) is remote from the middle gripping module (721).

4. The battery string production apparatus according to claim 1, wherein: still include fourth transport mechanism (90) and tape unit (80), supply piece mechanism (20) with tape unit (80) set up respectively in the both sides of preceding transfer station (110), fourth transport mechanism (90) are used for with tape unit (80) on the tape unit (80) transport and stack on preceding transfer station (110) on battery piece (200), make tape unit (800) cover two adjacent intervals between battery piece (200).

5. The battery string production apparatus according to claim 4, wherein: the front transfer station (110) is also provided with the heating element (103).

6. The battery string production apparatus according to claim 4, wherein: the automatic conveying device is characterized by further comprising a first longitudinal beam (130) arranged above the front conveying station (110), the length direction of the first longitudinal beam (130) is perpendicular to the conveying direction of the conveying mechanism (10), and the first conveying mechanism (50) and the fourth conveying mechanism (90) are movably arranged on the first longitudinal beam (130).

7. The battery string production apparatus according to claim 1, wherein: the automatic conveying device further comprises a second longitudinal beam (140) arranged above the rear conveying station (120), the length direction of the second longitudinal beam (140) is perpendicular to the conveying direction of the conveying mechanism (10), and the second conveying mechanism (60) and the third conveying mechanism (70) are movably arranged on the second longitudinal beam (140).

8. The battery string production apparatus according to claim 1, wherein: the conveying mechanism (10) comprises a base frame (101) and a conveying belt (102) sleeved on the base frame (101), and the heating element (103) is arranged in the base frame (101) below the conveying surface of the conveying belt (102).

9. The battery string production apparatus according to claim 8, wherein: the tail end of the conveyor belt (102) is provided with a flexible roller (104).