CN219457634U - Film inserting device and battery string production equipment - Google Patents

Abstract

The utility model discloses a film inserting device and battery string production equipment, wherein the film inserting device comprises two groups of film strip conveying parts, a transfer part and a lifting component, the two groups of film strip conveying parts are oppositely arranged at intervals, the two groups of film strip conveying parts are configured to respectively clamp two ends of n film strips and stretch the n film strips along the length direction of the film strips, the two groups of film strip conveying parts are further configured to separate the n film strips by a preset interval, the transfer part is configured to drive the two groups of film strip conveying parts to synchronously move along a first direction so as to convey the n film strips above corresponding film inserting stations in a battery string, the lifting component is configured to drive the two groups of film strip conveying parts to synchronously lift, and when a film is inserted, the lifting component drives the two groups of film strip conveying parts to synchronously descend so that the n film strips are lowered to the heights of corresponding film inserting gaps so as to insert the film strips into the corresponding film inserting gaps. The film inserting device can automatically insert films of n battery pieces at the same time, has high working efficiency, and can meet the operation requirement of fast beats.

Description

Film inserting device and battery string production equipment

Technical Field

The utility model belongs to the technical field of photovoltaic module production, and particularly relates to a film inserting device and battery string production equipment.

Background

The battery pieces are welded into strings through welding belts, and finally laminated to form the battery component through a series of post-treatment processes. In this process, the positions where the adjacent battery pieces in the battery string are connected with the solder tapes are easily broken by the lamination process. To solve this problem, a film strip is generally inserted between the solder strip and the battery cell to function as a flexible support.

In order to achieve automated production, designers have developed automated film insertion equipment that plugs the film strip between the solder strip and the battery plate. The film inserting device is an essential important component of film strip film inserting equipment and is used for automatically inserting the cut film strips into corresponding film inserting gaps. At present, the existing film inserting device has the defect of single function, other auxiliary mechanisms independent of the film inserting device are needed to be designed to complete the whole film inserting action, and the whole structure of the film inserting device is complex and occupies large space.

Disclosure of Invention

The utility model aims to provide a film inserting device and battery string production equipment, which are used for solving the problems of complex structure and large occupied space of the film inserting device in the prior art.

To achieve the purpose, the utility model adopts the following technical scheme:

a film inserting device comprises two groups of film strip conveying parts, a transfer part and a lifting assembly, wherein,

the two groups of film strip conveying parts are oppositely arranged at intervals, the two groups of film strip conveying parts are configured to respectively clamp two ends of n film strips and stretch the n film strips along the length direction of the film strips, the two groups of film strip conveying parts are also configured to separate the n film strips by preset intervals, n is an integer more than or equal to 2, the preset intervals are intervals between two adjacent film inserting stations in the battery string,

the transfer part is configured to drive the two groups of film strip conveying parts to synchronously move along a first direction so as to convey n film strips to the positions above the corresponding film inserting stations in the battery strings,

the lifting component is configured to drive the two groups of film strip conveying parts to synchronously lift,

when inserting the film, the lifting assembly drives the two groups of film strip conveying parts to synchronously descend, so that n film strips are lowered to the heights of the corresponding film inserting gaps, and the film strips are inserted into the corresponding film inserting gaps.

The two ends of n membrane strips can be respectively clamped by the two groups of membrane strip conveying parts and the membrane strips can be stretched along the length direction of the membrane strips, meanwhile, the n membrane strips can be separated by the two groups of membrane strip conveying parts at preset intervals, the n membrane strips are conveyed to the membrane inserting station by driving the two groups of membrane strip conveying parts through the transfer part, the two groups of membrane strip conveying parts are driven by the lifting module to synchronously descend, the n membrane strips are lowered to the heights of the corresponding membrane inserting gaps, and the membrane strips are inserted into the corresponding membrane inserting gaps. The automatic film inserting device has the advantages that the automatic film inserting is carried out on n battery pieces simultaneously, the working efficiency is high, the operation requirement of fast beat can be met, meanwhile, the film inserting device integrates multiple functions of film strip stretching, film strip separation distance, film strip carrying and film strip film inserting, the whole structure is compact, the occupied space is small, and the manufacturing cost is low.

Optionally, the transfer portion includes a substrate, a sliding component and a transfer driving component, the two groups of film strip conveying portions are installed on the sliding component in a lifting manner, the sliding component can be assembled on the substrate in a moving manner along a first direction, and the driving end of the transfer driving component is connected with the sliding component.

The moving drive assembly drives the sliding component to move along the first direction, so that the two groups of film strip conveying parts synchronously move along the first direction, and meanwhile, the two groups of film strip conveying parts can be lifted relative to the sliding component. The transplanting part is simple in structure and stable and reliable in operation.

Optionally, the lifting assembly includes a lifting driving device and a lifting member, the fixed end of the lifting driving device is fixed on the sliding component, the two groups of film strip conveying parts can be movably assembled on the lifting member along a second direction, the driving end of the lifting driving device is connected with the lifting member, and the second direction is perpendicular to the first direction.

Through setting up the lifting part, lift drive arrangement drive lifting part goes up and down, has realized two sets of membrane strip transport portions and has gone up and down in step, and two sets of membrane strip transport portions can be assembled on the lifting part with following the second direction removal simultaneously to make two sets of membrane strip transport portions can be close to each other or keep away from.

Optionally, two membrane strip transport portions of group all include mounting bracket, chuck track, n chuck and actuating mechanism of group, and the mounting bracket extends and can follow the second direction and assemble on the lifter movably, and the chuck track is fixed in on the mounting bracket along first direction, and every chuck of group includes upper chuck and lower chuck that is used for centre gripping membrane strip relative from top to bottom, and the lower chuck of every chuck of group is installed on the chuck track, and actuating mechanism is connected with n chuck transmission of group, and actuating mechanism drives n chuck of group and moves along chuck track.

The driving mechanism can drive the n groups of chucks to move along the chuck track so as to realize automatic distance separation of the film strips clamped by the n groups of chucks, and the film strip distance separation device has the advantages of simple integral structure, ingenious design and good stability.

Optionally, the 2 nd to the nth lower chucks are movably mounted on the chuck rail, and all groups of chucks are connected with each other through flexible pieces; the group 1 chucks are fixedly arranged, the group n chucks are in transmission connection with a driving mechanism through a connecting piece, the driving mechanism drives the group n chucks to move along chuck tracks, and the flexible piece drives the group chucks to move so as to adjust the spacing of the clamped n film strips.

The nth group of chucks are driven to move along the chuck track through the driving mechanism, and as the chucks of each group are connected with each other through the flexible piece, other groups of chucks can be driven to sequentially move for a certain distance through the flexible piece, so that automatic separation of film strips clamped by the n groups of chucks is realized, and the automatic separation device has a simple integral structure and low cost.

Optionally, the two groups of membrane strip transport portions all include tensile drive assembly, and tensile drive assembly passes through the mounting bracket of drive assembly drive two groups of membrane strip transport portions and is close to or keep away from each other.

The mounting frames of the two groups of film strip conveying parts are driven by the stretching driving assembly to be close to or far away from each other, so that the two groups of film strip conveying parts can stretch the film strips clamped by the n groups of chucks along the second direction.

Optionally, the drive assembly includes the follower, and the follower is connected to the drive end of tensile drive assembly, and a plurality of follower are installed to the interval on the follower, offered the orbit groove with follower one-to-one on the mounting bracket, and tensile drive assembly drive follower removes along first direction, drives the mounting bracket of two sets of membrane strip transport portions through the cooperation in follower and the orbit groove with follower one-to-one and is close to or keep away from each other.

Through the cooperation of follower and a plurality of follower, can realize converting the removal of follower along first direction into the removal along the second direction of the mounting bracket of two sets of membrane strip transport portions, provide a compact structure, occupation space is little, operation reliable and stable transmission subassembly.

Optionally, the upper chuck and the lower chuck of each group of chucks are hinged, an elastic component for providing clamping force is arranged between the upper chuck and the lower chuck of each group of chucks, the membrane strip carrying part also comprises a pressing rod and a pressing rod driving mechanism, the driving end of the pressing rod driving mechanism is connected with the pressing rod, and the pressing rod is arranged above the tail part of each upper chuck; the pressure bar driving mechanism drives the pressure bar to move downwards, the pressure bar presses down the tail ends of the upper chucks to overcome the elasticity of the elastic part, and the chucks are opened; the compression bar driving mechanism drives the compression bar to move upwards, the compression bar is far away from the tail end of each upper chuck, and the clamping end of each upper chuck is pressed towards the clamping end of the corresponding lower chuck under the action of the corresponding elastic component, so that the clamping of the chucks is realized.

The compression bar driving mechanism drives the compression bar to lift, so that all upper chucks are driven to rotate around the lower chucks, synchronous clamping or synchronous loosening of all membrane strips can be realized, and the chuck which is simple in structure, low in manufacturing cost and reliable and stable in clamping is provided.

The battery string production equipment comprises a string welding part, a film strip feeding device, a film strip traction device, a film strip cutting device, the film inserting device, a battery piece adjusting device and a heating device, wherein,

the string welding part is used for producing the battery string and conveying the battery string to the film inserting station,

the film strip feeding device is configured to fix the film strip roll and drive the film strip roll to rotate so as to realize discharging,

the film strip traction device is configured to traction the film strip released by the film strip feeding device to a cutting position,

the film strip cutting device is configured to cut the film strip positioned at the cutting position to obtain n film strips, wherein n is an integer more than or equal to 2,

the cell adjusting device is configured to open the head of the cell in the cell string of the film inserting station and the welding strip welded on the head to form a film inserting gap,

the film inserting device is configured to pull the film strip released by the film strip feeding device to a film strip cutting station, separate n film strips obtained by cutting the film strip cutting station at preset intervals and stretch the film strips, move to the film inserting station to insert the n film strips into corresponding film inserting gaps,

the heating device is configured to heat-treat the film strip inserted into the insertion film gap.

Through the cooperation of series welding portion, membrane area loading attachment, membrane area cutting device, inserting membrane device, battery piece angle adjustment device and heating device, realized cutting into n membrane strip with the membrane area after, insert n membrane strip in the membrane clearance that corresponds automatically again, carry out the heat cure to the membrane strip of inserting the membrane clearance that inserts again at last. The automatic film insertion of the battery strings is realized after the welding of the battery strings is finished, the degree of automation is high, and the production efficiency of the battery strings can be greatly improved.

Optionally, the film strip cutting device comprises a cutting driving device and a cutting tool, the cutting driving device drives the cutting tool to move, and the film strips located at the cutting position are cut through the cutting tool so as to form n film strips.

The film strip cutting device drives the cutting tool to move, and the film strip is cut through the cutting tool, so that the mechanical cutting mode with simple structure, easy realization and low cost is provided.

Drawings

Fig. 1 is a schematic perspective view of a film inserting device according to an embodiment of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic side view of a film insertion device according to an embodiment of the present utility model;

FIG. 4 is a partial enlarged view at B in FIG. 3;

fig. 5 is a schematic structural diagram of a transmission assembly of a film inserting device according to an embodiment of the present utility model;

fig. 6 is a schematic top view of a transmission assembly of a film inserting device according to an embodiment of the present utility model;

FIG. 7 is an enlarged view of a portion of FIG. 6 at C;

fig. 8 is a schematic perspective view of a battery string production apparatus according to an embodiment of the present utility model.

The following reference numerals are included in fig. 1 to 8:

film strip carrying section 10: the device comprises a mounting frame 100, a chuck rail 101, a chuck 102, an upper chuck 1020, a lower chuck 1021, an elastic component 1022, a driving mechanism 103, a stretching driving assembly 104, a follower plate 105, a follower wheel 106, a track groove 107, a press rod 108 and a press rod driving mechanism 109;

transfer unit 20: a substrate 21, a slide member 22, and a transfer drive unit 23;

lifting assembly 30: a lifting driving device 300 and a lifting member 301;

the film strip feeding device 40,

a film strip cutting device 50.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

The positions where the adjacent battery pieces in the battery string are connected with the solder ribbon are prone to hidden cracking and breakage due to the lamination process. To solve this problem, a film strip is generally inserted between the solder strip and the battery cell to function as a flexible support. In order to achieve automated production, designers have developed automated film insertion equipment that plugs the film strip between the solder strip and the battery plate. The film inserting device is an essential important component of film strip film inserting equipment and is used for automatically inserting the cut film strips into corresponding film inserting gaps. At present, the existing film inserting device has the defect of single function, other auxiliary mechanisms independent of the film inserting device are needed to be designed to complete the whole film inserting action, and the whole structure of the film inserting device is complex and occupies large space.

Therefore, the present utility model provides a film inserting device for automatically inserting a plurality of cut film strips into corresponding film inserting gaps, as shown in fig. 1 to 4, the film inserting device provided by the embodiment of the present utility model includes two sets of film strip conveying portions 10, a transfer portion 20 and a lifting assembly 30, the two sets of film strip conveying portions 10 are arranged opposite to each other at intervals, the two sets of film strip conveying portions 10 are configured to respectively clamp two ends of n film strips and stretch the n film strips along the length direction of the film strips, the two sets of film strip conveying portions 10 are further configured to separate the n film strips by a predetermined interval, n is an integer greater than or equal to 2, the predetermined interval is a distance between two adjacent film inserting stations in a battery string, the two sets of film strip conveying portions 10 are configured to be synchronously moved along a first direction (the length direction of the transfer portion 20) so as to convey the n film strips to above the corresponding film inserting stations in the battery string, the lifting assembly 30 is configured to drive the two sets of film strip conveying portions 10 to be synchronously lifted, and the lifting assembly 30 is configured to drive the two sets of film strip conveying portions 10 to synchronously lift the film strips to move the corresponding film strips to the corresponding film inserting gaps when the film strips are inserted, and the film strips are lowered by the predetermined interval, so that the film inserting gap is higher than the corresponding to the film inserting gaps. When the film strip is inserted into the film insertion gap, the transfer part 20 can drive the film strip carrying part 10 to move back and forth so as to further adjust the position of the film strip.

In some embodiments, stretching the n film strips along the length of the film strips may be performed before, after, or simultaneously with separating the n film strips by a predetermined interval.

In some embodiments, when inserting a film, the lifting assembly 30 drives the two groups of film strip conveying parts 10 to synchronously descend, so that n film strips are lowered to the height of the corresponding film inserting gaps, and the film strips are directly inserted into the corresponding film inserting gaps.

In some embodiments, when inserting a film, the lifting assembly 30 drives the two sets of film strip conveying parts 10 to synchronously descend, so that the n film strips descend to the height of the corresponding film inserting gaps, and the transferring part 20 drives the two sets of film strip conveying parts 10 to synchronously move forwards or backwards along the first direction for a certain distance so as to insert the film strips into the corresponding film inserting gaps.

Therefore, in order to realize automatic film insertion of the n cut film strips, two groups of film strip conveying parts 10 are used for respectively clamping two ends of the n film strips and stretching the film strips along the length direction of the film strips so as to tighten and flatten the film strips for facilitating subsequent film insertion, meanwhile, the n film strips are separated by a preset interval by the two groups of film strip conveying parts 10, the n film strips are conveyed to a film insertion station by the transfer part 20, the n film strips are in one-to-one correspondence with film insertion gaps on a battery string, and finally, the two groups of film strip conveying parts 10 are driven by the lifting module 30 to synchronously descend so that the n film strips are lowered to the heights of the corresponding film insertion gaps, and the film strips are inserted into the corresponding film insertion gaps. The automatic film inserting device has the advantages that the automatic film inserting is carried out on n battery pieces simultaneously, the working efficiency is high, the operation requirement of fast beat can be met, meanwhile, the film inserting device integrates multiple functions of film strip stretching, film strip separation distance, film strip carrying and film strip film inserting, the whole structure is compact, the occupied space is small, and the manufacturing cost is low.

In some embodiments, the transfer unit 20 includes a substrate 21, a sliding member 22, and a transfer driving assembly 23, where the two sets of film strip conveying units 10 are mounted on the sliding member 22 in a lifting manner, the sliding member 22 is movably mounted on the substrate 21 along a first direction, and a driving end of the transfer driving assembly 23 is connected to the sliding member 22. Preferably, the sliding member 22 is a sliding plate extending in the first direction, and the sliding member 22 is mounted on the base plate 21 by a sliding pair of a slider and a linear guide.

Therefore, in order to realize that the two groups of film strip conveying parts 10 move synchronously along the first direction, the transfer driving assembly 23 drives the sliding component 22 to move along the first direction, and in order to realize that the two groups of film strip conveying parts 10 can synchronously lift, the two groups of film strip conveying parts 10 are installed on the sliding component 22 in a lifting manner, so that the transplanting part 20 with simple structure and stable and reliable operation is provided.

In some embodiments, the lifting assembly 30 includes a lifting driving device 300 and a lifting member 301, the fixed end of the lifting driving device 300 is fixed on the sliding member 22, and the two sets of film strip conveying parts 10 are movably assembled on the lifting member 301 along the second direction (the width direction of the transplanting part 20), and the driving end of the lifting driving device 300 is connected to the lifting member 301, and the second direction is perpendicular to the first direction.

It can be seen that, by arranging the lifting member 301, the lifting driving device 300 drives the lifting member 301 to lift, so as to realize synchronous lifting of the two groups of film strip conveying portions 10, and meanwhile, the two groups of film strip conveying portions 10 can be movably assembled on the lifting member 301 along the second direction, so that the two groups of film strip conveying portions 10 can be mutually close to or far away from each other, so as to stretch the film strip along the length direction thereof.

In some embodiments, the two sets of film strip handling parts 10 each include a mounting frame 100, a clip track 101, n sets of clips 102 and a driving mechanism 103, the mounting frame 100 extends along a first direction and is movably assembled on the lifting member 301 along a second direction, the clip track 101 is fixed on the mounting frame 100 along the first direction, each set of clips 102 includes an upper clip 1020 and a lower clip 1021 for clamping a film strip, the lower clip 1021 of each set of clips is mounted on the clip track 101, the driving mechanism 103 is in transmission connection with the n sets of clips 102, and the driving mechanism 103 drives the n sets of clips 102 to move along the clip track 101.

Therefore, the driving mechanism 103 drives the n groups of chucks 102 to move along the chuck rail 101, so that automatic film strip spacing clamped by the n groups of chucks 102 can be realized, and the film strip carrying part 10 with simple structure, ingenious design, accurate film strip spacing position and good film strip spacing motion stability is provided.

In some embodiments, the 2 nd to nth lower chucks 1021 are movably mounted on the chuck rail 101, and the chucks of each group are connected with each other through flexible members; the 1 st group of chucks 102 are fixedly arranged, the n group of chucks 102 are in transmission connection with a driving mechanism 103 through a connecting piece, the driving mechanism 103 drives the n group of chucks 102 to move along the chuck track 101, and the flexible piece drives each group of chucks to move so as to adjust the spacing of the n clamped film strips.

Therefore, the nth group of chucks are driven to move along the chuck track 101 by the driving mechanism 103, and as the chucks of each group are connected with each other by the flexible piece, other groups of chucks 102 can be driven to sequentially move for a certain distance by the flexible piece, so that automatic separation of film strips clamped by the n groups of chucks is realized, and the device has a simple integral structure and low cost.

Referring to fig. 5 to 7, in some embodiments, each of the two sets of film strip handling units 10 includes a stretching driving assembly 104, and the stretching driving assembly 104 drives the mounting frames 100 of the two sets of film strip handling units 10 to approach or separate from each other through a transmission assembly.

It can be seen that the stretching driving assembly 104 drives the mounting frame 100 of the two sets of film strip conveying parts 10 to move away, so that the distance between the chucks 102 on the two sets of film strip conveying parts 10 is increased, and the film strips clamped by the chucks 102 on the two sets of film strip conveying parts 10 are stretched.

In some embodiments, the transmission assembly includes a follower plate 105, the driving end of the stretching driving assembly 104 is connected with the follower plate 105, a plurality of follower wheels 106 are installed on the follower plate 105 at intervals, track grooves 107 corresponding to the follower wheels 106 one by one are formed in the mounting frame 100, the stretching driving assembly 104 drives the follower plate 105 to move along the first direction, and the mounting frames 100 of the two groups of film strip carrying parts 10 are driven to be close to or far away from each other through the cooperation of the follower wheels 106 and the track grooves 107 corresponding to the follower wheels 106 one by one.

Therefore, when the stretching driving assembly 104 drives the follower plate 105 to move along the first direction, the follower plate 105 is matched with the plurality of follower wheels 106, so that the movement of the follower plate 105 along the first direction is converted into the movement of the mounting frame 100 of the two groups of film strip carrying parts 10 along the second direction, and the transmission assembly with compact structure, small occupied space and stable and reliable operation is provided.

Referring again to fig. 2, in some embodiments, the upper chuck 1020 and the lower chuck 1021 of each group of chucks 102 are hinged, an elastic component 1022 for providing a clamping force is provided between the upper chuck 1020 and the lower chuck 1021 of each group of chucks 102, the film strip handling portion 10 further includes a pressing rod 108 and a pressing rod driving mechanism 109, the driving end of the pressing rod driving mechanism 109 is connected with the pressing rod 108, and the pressing rod 108 is disposed above the tail portion of each upper chuck 1020; the press rod driving mechanism 109 drives the press rod 108 to move downwards, the press rod 108 presses down the tail end of each upper chuck 1020 against the elastic force of the elastic component 1022, so that the chucks can be opened; the press rod driving mechanism 109 drives the press rod 108 to move upwards, the press rod 108 is far away from the tail end of each upper chuck 1020, and the clamping end of each upper chuck 1020 is pressed towards the clamping end of the corresponding lower chuck 1021 under the action of the corresponding elastic component 1022, so that the clamping of the chucks is realized.

Therefore, the compression bar driving mechanism 109 drives the compression bar 108 to lift and move, so as to drive all the upper chucks 1020 to rotate around the lower chucks 1021, so that synchronous clamping or synchronous loosening of all the membrane strips can be realized, and a chuck with simple structure, low manufacturing cost and reliable and stable clamping is provided.

The specific working principle of the film inserting device provided by the embodiment of the utility model comprises the following steps:

s1, in an initial state, two groups of film strip conveying parts 10 are positioned at a cutting station, n groups of chucks of the two groups of film strip conveying parts 10 respectively clamp two ends of n film strips at the cutting station,

s2, the transfer driving assembly 23 drives the two groups of film strip conveying parts 10 to move to the film inserting station along the first direction, the stretching driving assembly 104 drives the mounting frames 100 of the two groups of film strip conveying parts 10 to be far away in the process that the two groups of film strip conveying parts 10 move along the first direction so as to stretch the film strips clamped by the clamping heads 102 on the two groups of film strip conveying parts 10, meanwhile, the driving mechanism 103 drives the nth group of clamping heads to move along the clamping head track 101, the film strips clamped by the n groups of clamping heads are automatically separated,

s3, the lifting driving device 300 works so as to drive the two groups of film strip conveying parts 10 to synchronously descend, and n film strips are inserted into corresponding film inserting gaps.

The film inserting device provided by the embodiment of the utility model has the following advantages:

1) The automatic film insertion of n battery pieces is realized, the working efficiency is high, and the operation requirement of fast beats can be met;

2) The film inserting device integrates multiple functions of film strip stretching, film strip spacing, film strip carrying and film strip film inserting, and has the advantages of compact integral structure, small occupied space and low manufacturing cost;

3) The membrane strip is clamped by n groups of chucks in a spacing way, the driving mechanism drives the nth group of chucks to move along the chuck track, and the flexible piece drives each group of chucks to move, so that the membrane strip clamping device has the advantages of simple structure, low cost, accurate membrane strip spacing position and good membrane strip spacing action stability;

4) The membrane strip stretches, and the mounting frames of the two groups of membrane strip carrying parts are driven to be close to or far away from each other through the cooperation of the follow-up plates and the plurality of follow-up wheels, so that the membrane strip stretching device has the advantages of compact structure, small occupied space and stable and reliable operation.

Referring to fig. 8, the present utility model further provides a battery string production apparatus, which includes a string welding portion, a film strip feeding device 40, a film strip pulling device, a film strip cutting device 50, the film inserting device, a battery piece adjusting device and a heating device, wherein the string welding portion is used for producing a battery string and conveying the battery string to a film inserting station, the film strip feeding device 40 is configured to fix a film strip roll and drive the film strip roll to rotate so as to realize discharging, the film strip pulling device is configured to pull the film strip released by the film strip feeding device to a cutting position, the film strip cutting device 50 is configured to cut the film strip located at the cutting position so as to obtain n film strips, n is an integer greater than or equal to 2, the battery piece adjusting device is configured to open the head of the battery piece located in the battery string at the film inserting station and the welded strip at the head so as to form a film inserting gap, the film strip released by the film strip feeding device is configured to pull the film strip cutting station, the film strip released by the film strip feeding device is configured to stretch the film strip to the predetermined gap, and the film strip is inserted into the film strip cutting station, and the film strip is heated to be inserted into the film strip cutting gap, and the film strip is correspondingly inserted into the film strip cutting station.

It can be seen that, through the cooperation of the series welding part, the film strip feeding device 40, the film strip cutting device 50, the film inserting device, the battery piece angle adjusting device and the heating device, the automatic cutting of the film strip into n film strips is realized, then the n film strips are automatically inserted into the corresponding film inserting gaps, and finally the film strips inserted into the film inserting gaps are heated and cured. The automatic film insertion of the battery strings is realized after the welding of the battery strings is finished, the degree of automation is high, and the production efficiency of the battery strings can be greatly improved.

In some embodiments, the film strip cutting device comprises a cutting driving device and a cutting tool, wherein the cutting driving device drives the cutting tool to move, and the film strips at the cutting positions are cut through the cutting tool to form n film strips. Preferably, the cutting driving device comprises a first driving device and a second driving device, the first driving device is used for driving the cutting tool to reciprocate along the second direction, the second driving device is used for driving the cutting tool to rotate, and when the film strip is cut, the first driving device drives the cutting tool to move along the second direction, and the second driving device drives the cutting tool to rotate so as to cut the film strip.

Therefore, the membrane strip is cut through the cutting tool, and a mechanical cutting mode with simple structure, easy realization and low cost is provided.

The above embodiments merely illustrate the basic principles and features of the present utility model, and the present utility model is not limited to the above examples, but can be variously changed and modified without departing from the spirit and scope of the present utility model, which is within the scope of the present utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. A film inserting device is characterized by comprising two groups of film strip conveying parts, a transfer part and a lifting assembly, wherein,

the two groups of film strip conveying parts are oppositely arranged at intervals, the two groups of film strip conveying parts are configured to respectively clamp two ends of n film strips and stretch the n film strips along the length direction of the film strips, the two groups of film strip conveying parts are also configured to separate the n film strips by a preset interval, n is an integer more than or equal to 2, the preset interval is the interval between two adjacent film inserting stations in a battery string,

the transfer part is configured to drive the two groups of film strip conveying parts to synchronously move along a first direction so as to convey the n film strips to the positions above the corresponding film inserting stations in the battery strings,

the lifting assembly is configured to drive the two groups of film strip conveying parts to synchronously lift,

when the film is inserted, the lifting assembly drives the two groups of film strip conveying parts to synchronously descend, so that the n film strips are lowered to the heights of the corresponding film insertion gaps, and the film strips are inserted into the corresponding film insertion gaps.

2. The film inserting apparatus according to claim 1, wherein the transfer unit includes a substrate, a slide member, and a transfer drive unit, two sets of the film strip conveying units are liftably mounted on the slide member, the slide member is movably mounted on the substrate in the first direction, and a drive end of the transfer drive unit is connected to the slide member.

3. The film inserting apparatus according to claim 2, wherein the lifting assembly comprises a lifting driving device and a lifting member, a fixed end of the lifting driving device is fixed on the sliding member, two sets of film strip carrying parts are movably assembled on the lifting member along a second direction, a driving end of the lifting driving device is connected with the lifting member, and the second direction is perpendicular to the first direction.

4. A film inserting apparatus according to claim 3, wherein the two sets of film strip carrying portions each include a mounting frame, a clip track, n sets of clips and a driving mechanism, the mounting frame extends in the first direction and is movably mounted on the lifting member in the second direction, the clip track is fixed on the mounting frame in the first direction, each set of clips includes an upper clip and a lower clip which are opposite up and down and are used for clamping the film strip, the lower clip of each set of clips is mounted on the clip track, the driving mechanism is in transmission connection with the n sets of clips, and the driving mechanism drives the n sets of clips to move along the clip track.

5. The film insertion device according to claim 4, wherein the 2 nd to nth lower chucks are movably mounted on the chuck rail, and the chucks of each group are connected with each other by a flexible member; the 1 st group of chucks are fixedly arranged, the n group of chucks are in transmission connection with the driving mechanism through connecting pieces, the driving mechanism drives the n group of chucks to move along the chuck track, and the flexible pieces drive the chucks of each group to move so as to adjust the spacing of n clamped film strips.

6. The film inserting apparatus according to claim 4, wherein the two sets of film strip handling portions each include a tension driving assembly that drives the mounting frames of the two sets of film strip handling portions toward or away from each other via a transmission assembly.

7. The film inserting device according to claim 6, wherein the transmission assembly comprises a follower plate, the driving end of the stretching driving assembly is connected with the follower plate, a plurality of follower wheels are installed on the follower plate at intervals, track grooves corresponding to the follower wheels one by one are formed in the mounting frame, the stretching driving assembly drives the follower plate to move along the first direction, and the two groups of mounting frames of the film strip carrying parts are driven to be close to or far away from each other through the cooperation of the follower wheels and the track grooves corresponding to the follower wheels one by one.

8. The film inserting device according to claim 4, wherein the upper chuck and the lower chuck of each group of chucks are hinged, an elastic component for providing clamping force is arranged between the upper chuck and the lower chuck of each group of chucks, the film strip carrying part further comprises a pressing rod and a pressing rod driving mechanism, the driving end of the pressing rod driving mechanism is connected with the pressing rod, and the pressing rod is arranged above the tail part of each upper chuck; the pressure bar driving mechanism drives the pressure bar to move downwards, and the pressure bar presses the tail end of each upper chuck downwards to overcome the elasticity of the elastic part so as to realize the opening of the chucks; the compression bar driving mechanism drives the compression bar to move upwards, the compression bar is far away from the tail end of each upper chuck, and the clamping end of each upper chuck presses the clamping end of the corresponding lower chuck under the action of the corresponding elastic component, so that the clamping of the chucks is realized.

9. A battery string production device, characterized in that the battery string production device comprises a string welding part, a film strip feeding device, a film strip traction device, a film strip cutting device, a film inserting device, a battery piece adjusting device and a heating device according to any one of claims 1-8,

the string welding part is used for producing a battery string and conveying the battery string to a film inserting station,

the film strip feeding device is configured to fix the film strip roll and drive the film strip roll to rotate so as to realize discharging,

the film strip traction device is configured to traction the film strip released by the film strip feeding device to a cutting position,

the film strip cutting device is configured to cut the film strip positioned at the cutting position to obtain n film strips, wherein n is an integer more than or equal to 2,

the battery piece adjusting device is configured to open the head of the battery piece in the battery string at the film inserting station and the welding strip welded on the head to form a film inserting gap,

the film inserting device is configured to pull the film strips released by the film strip feeding device to a film strip cutting station, separate and stretch the n film strips obtained by cutting by the film strip cutting station at preset intervals, move to the film inserting station to insert the n film strips into corresponding film inserting gaps,

the heating device is configured to heat-treat the film strip inserted into the film insertion gap.

10. The battery string production apparatus according to claim 9, wherein the film strip cutting means includes a cutting driving means and a cutting tool, the cutting driving means driving the cutting tool to move, and the film sheet located at the cutting position is cut by the cutting tool to form the n film strips.