CN211733297U

CN211733297U - Automatic belt splicing device

Info

Publication number: CN211733297U
Application number: CN201921831289.6U
Authority: CN
Inventors: 周俊杰; 孙振东; 黄振奎; 周俊雄
Original assignee: Guangdong Lyric Robot Automation Co Ltd
Current assignee: Guangdong Lyric Robot Automation Co Ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-10-23
Anticipated expiration: 2029-10-28

Abstract

The application discloses automatic splicing apparatus. The automatic tape splicing device comprises a mounting plate, a hot melt tape splicing mechanism and an old material cutting mechanism. The mounting panel is located to hot melt splicing mechanism for with old material area and new material area hot melt connection, the mounting panel is located to old material shutdown mechanism for cut off old material area. The technical scheme that this application provided can solve current automatic tape splicing mechanism when carrying out new and old material book tape splicing, the artifical efficiency reduction, the increase of cost of labor and the problem that influences electric core quality of gluing the machine that leads to of being equipped with.

Description

Automatic belt splicing device

Technical Field

The application relates to the technical field of splicing, in particular to an automatic splicing device.

Background

The existing battery manufacturing generally adopts full-automatic winding equipment, but in the production process, the full-automatic winding, laminating, bag making and other processes comprise the process of unwinding a diaphragm roll material, and an automatic tape splicing mechanism is generally adopted to butt joint new and old roll materials at present. Wherein, manual assistance is needed, glue preparation is needed manually, and then tape splicing can be carried out.

Because need the manual work to be equipped with gluey, can lead to the efficiency of machine to reduce, increase the cost of labor, and increased the contact chance of people with the diaphragm, cause the pollution to the diaphragm material, influence the quality of electric core.

SUMMERY OF THE UTILITY MODEL

The application provides an automatic tape splicing device, this automatic tape splicing device can solve current automatic tape splicing mechanism and when carrying out new and old material book tape splicing, the artifical efficiency reduction, the increase of cost of labor and the problem that influences electric core quality of gluing the machine that leads to of being equipped with.

The application provides an automatic splicing device, automatic splicing device includes mounting panel, hot melt splicing tape mechanism and old material shutdown mechanism. The mounting panel is located to hot melt splicing mechanism for with old material area and new material area hot melt connection, the mounting panel is located to old material shutdown mechanism for cut off old material area.

In the above scheme, the inventor finds that, in the process of automatically changing the roll of the diaphragm in the prior art, the new and old material rolls are connected in an adhesive mode, however, when the tape splicing is performed in the adhesive mode, the tape splicing process can be performed only after the glue preparation is manually performed, which increases the labor cost, increases the contact probability between a person and the diaphragm, and increases the probability of contamination of the diaphragm. For this reason, the inventors have studied that the conventional separator is usually a polyolefin microporous membrane such as polyethylene or polypropylene.

Therefore, the new splicing mode is provided, the splicing mode is different from the existing gluing mode, the butt joint of a new material roll and an old material roll is carried out, and the hot-melt splicing mechanism is selected to be used for connecting the old material belt and the new material belt in a hot-melt mode according to the material of the diaphragm. The process of glue can be avoided, hot melting connection is directly adopted, labor cost is reduced, tape splicing efficiency is improved, the probability of membrane pollution can be reduced, and quality of the battery cell is guaranteed. In the automatic tape splicing device, after the old material tape and the new material tape are spliced under the action of the hot melting tape splicing mechanism, the old material tape can be cut off by the old material cutting mechanism, and the splicing is completed.

In one possible implementation, the thermal tape splicing mechanism includes:

the hot melting knife is used for hot melting and connecting the old material belt and the new material belt; and the hot melting knife driving piece is arranged on the mounting plate and used for driving the hot melting knife to move.

In the above scheme, a specific structure of hot melt adhesive tape mechanism is provided, wherein hot melt adhesive tape mechanism includes hot melt sword and hot melt sword driving piece. But hot melt sword external power source, when new and old material area was put to the station of hot melt tape splicing mechanism by the book, hot melt sword driving piece drive hot melt sword removed to carry out the hot melt to new and old material area, so that the hot melt position department interconnect in new and old material area.

Optionally, in a possible implementation manner, the automatic belt splicing device further includes:

the new material clamping mechanism is arranged on the mounting plate and used for clamping one end of the new material belt.

In the above-mentioned scheme, provide one kind and can fix so that new material area can accomplish the technical scheme of hot melt smoothly with old material area with new material area. Be equipped with new material fixture on the mounting panel for when placing new material area, operating personnel or executive component drag the head end (promptly, the free end) in new material area to new material fixture, make the head end in new material area by new material fixture centre gripping, then under the condition that the head end was fixed, can steadily contradict in old material area under the removal of hot melt sword, and then accomplish the hot melt.

Optionally, in a possible implementation manner, the new material clamping mechanism includes a first pressing block, a second pressing block, and a pressing block driving member, and the first pressing block is disposed on the mounting plate. The second pressing block is provided with a cutter used for cutting off the new material belt, and the pressing block driving piece is used for driving the second pressing block to be close to or far away from the first pressing block to move so as to clamp or loosen the new material belt.

Among the above-mentioned scheme, provide a can cut off technical scheme of new material area head end, if drag the head end in new material area to the new material fixture through the manual work promptly, the condition that probably has the contaminated head end appears, for guaranteeing the quality in new material area, through the drive of briquetting driving piece for the cutter on the second briquetting can cut off the head end part in new material area. Meanwhile, when the first pressing block and the second pressing block are not separated from each other, the new material belt can be always clamped, and after hot melting of the new material belt and the old material belt is completed, the new material belt and the old material belt can be separated from each other to release the material belt.

Optionally, in one possible implementation, the automatic splicing device includes two new material clamping mechanisms and two old material cutting mechanisms.

In the scheme, the technical scheme that the roll can be efficiently changed and the belt can be connected is provided. Wherein, the unreeling station of the automatic splicing device can be used for placing new or old material rolls, namely, the unreeling station of the new material belt and the unreeling station of the old material belt are mutually the same. Under the technical scheme that the station is unreeled to each other for each other in order to adapt to above-mentioned each other, through setting up two new material fixture and two old material shutdown mechanisms to reach the effect of hot melt adhesive tape. When the other old material cutting mechanism is limited to be the second old material cutting mechanism, if the first unreeling station unreels a new material belt, the first new material clamping mechanism clamps the new material belt, and the second old material cutting mechanism cuts the old material belt positioned at the second unreeling station; if the second unreels the station and unreels new material area, then new material fixture centre gripping new material area of second, and first old material shutdown mechanism cuts off the old material area that is located the first station of unreeling.

Optionally, in a possible implementation manner, the hot-melting knife driving member is used for driving the hot-melting knife to move so as to press and hold the new material belt and the old material belt on one of the new material clamping mechanisms for hot-melting connection.

Optionally, in a possible implementation manner, the two new material clamping mechanisms are arranged at intervals in the left-right direction, the two old material cutting mechanisms are arranged at intervals in the left-right direction, the second pressing block is located below the first pressing block, the pressing block driving piece is used for driving the second pressing block to move up and down, and the hot-melting knife driving piece is used for driving the hot-melting knife to move left and right.

Optionally, in a possible implementation manner, the automatic belt splicing device further comprises two first passing roller sets. Two first roller groups are arranged on the mounting plate and are positioned at the upstream of the hot melt belt connecting mechanism, and the first roller groups are arranged in one-to-one correspondence with the old material cutting mechanism.

Optionally, in a possible implementation manner, the automatic belt splicing device further comprises a second roller group, and the second roller group is arranged on the mounting plate and is located at the downstream of the hot melt belt splicing mechanism.

Optionally, in one possible implementation, the automatic splicing device further comprises a rotating frame, a tension control roller and a rotating frame driving piece. The rotating frame is arranged on the mounting plate. The tension control roller is arranged on the rotating frame and is positioned at the downstream of the hot melt belt connecting mechanism. The rotating frame driving part is used for driving the rotating frame to rotate relative to the mounting plate.

Optionally, in a possible implementation manner, two mounting holes are provided on the mounting plate for mounting the first unwinding mechanism and the second unwinding mechanism, respectively.

Optionally, in a possible implementation manner, the unwinding device further includes a first unwinding mechanism and a second unwinding mechanism. The first unwinding mechanism and the second unwinding mechanism are respectively arranged on the mounting plate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a perspective view of the automatic belt splicing apparatus of the present embodiment from a first perspective;

FIG. 2 is a perspective view of the automatic belt splicing apparatus of the present embodiment from a second perspective;

FIG. 3 is an enlarged view taken at III in FIG. 2;

FIG. 4 is an enlarged view taken at IV in FIG. 2;

fig. 5 is a schematic structural view of the automatic tape splicing apparatus in this embodiment.

Icon: 10-automatic belt splicing device; 11-a mounting plate; 11 a-mounting holes; 12-a thermal tape splicing mechanism; 13-old material cutting mechanism; 14-a new material clamping mechanism; 15-a first set of rollers; 50-grooves; 51-a groove; 60-a tension sensor; 70-a rotating frame; 71-a tension control roller; 72-turret drive; 80 a-passing roller frame; 81-first passing roller; 82-second passing roller; 83-third passing roller; 84-fourth passing roller; 85-fifth roller passing; 86-sixth passing roller; 90-a cutter; 120-hot melt cutter; 121-hot melt knife drive; 122-a mounting block; 122 a-a backplane; 122 b-a riser; 140-a first compact; 141-second briquetting; 141 a-an elastic material; 142-a briquette drive;

20-automatic tape splicing device; 20 a-new material tape; 20 b-old material tape; 21-a first unwinding mechanism; 22-second unwinding mechanism.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it should be understood that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when products of the application are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used merely for convenience of description and simplification of the description, and do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

The technical solution in the present application will be described below with reference to the accompanying drawings.

The embodiment provides an automatic tape splicing device 10, and this automatic tape splicing device 10 can solve the problem that when carrying out new and old material roll splicing by current automatic tape splicing mechanism, the efficiency of the machine that the manual work was glued and is led to reduces, the increase of cost of labor and influences electric core quality.

Referring to fig. 1 and 2, fig. 1 shows a three-dimensional structure of an automatic tape splicing apparatus 10 in the present embodiment at a first viewing angle, and fig. 2 shows a three-dimensional structure of the automatic tape splicing apparatus 10 in the present embodiment at a second viewing angle.

The automatic tape splicing device 10 includes a mounting plate 11, a hot melt tape splicing mechanism 12, and a used material cutting mechanism 13. The hot melting tape splicing mechanism 12 is arranged on the mounting plate 11 and used for connecting an old material tape and a new material tape in a hot melting mode, and the old material cutting mechanism 13 is arranged on the mounting plate 11 and used for cutting off the old material tape.

The inventor finds that in the prior art, in the automatic roll changing process of the diaphragm, the new and old material rolls are connected in an adhesive mode, however, when the tape is connected in the adhesive mode, the adhesive preparation is needed manually, and then the tape connecting process can be carried out, so that the labor cost is increased, the contact opportunity between a person and the diaphragm is increased, and the probability of the contamination of the diaphragm is increased. For this reason, the inventors have studied that the conventional separator is usually a polyolefin microporous membrane such as polyethylene or polypropylene.

Therefore, the application provides a new splicing mode, which is different from the existing gluing mode for butt joint of new and old material rolls, and the application selects the hot-melt splicing mechanism 12 to connect the old material belt and the new material belt in a hot-melt mode according to the material of the diaphragm. The process of glue can be avoided, hot melting connection is directly adopted, labor cost is reduced, tape splicing efficiency is improved, the probability of membrane pollution can be reduced, and quality of the battery cell is guaranteed. In the automatic tape splicing device 10, after the old tape and the new tape are spliced by the hot melt splicing mechanism 12, the old tape is cut by the old material cutting mechanism 13, and the splicing is completed.

Referring to fig. 3, fig. 3 is an enlarged view of the point iii in fig. 2.

The thermal fusing mechanism 12 includes a thermal fusing blade 120 and a thermal fusing blade driving member 121. The hot melting knife 120 is used for connecting the old material belt with the new material belt in a hot melting mode, and the hot melting knife driving piece 121 is arranged on the mounting plate 11 and used for driving the hot melting knife 120 to move.

In the above embodiment, a specific structure of the thermal tape melting mechanism 12 is provided, wherein the thermal tape melting mechanism 12 includes the thermal blade 120 and the thermal blade driving member 121. The hot melting knife 120 can be connected with an external power supply, and when the new and old material belts are reeled and put to the station of the hot melting belt splicing mechanism 12, the hot melting knife driving member 121 drives the hot melting knife 120 to move so as to perform hot melting on the new and old material belts, so that the hot melting positions of the new and old material belts are connected with each other.

It should be noted that the hot melt cutter driving member 121 in this embodiment includes a hot melt cutter driving cylinder, which is fixed to the mounting plate 11. The hot melting knife 120 is fixed on the mounting block 122, and the telescopic rod of the hot melting knife driving cylinder is fixed on the mounting block 122 so as to drive the mounting block 122 to move along the telescopic direction of the hot melting knife driving cylinder, thereby driving the hot melting knife 120 to move to complete the hot melting action of the new and old material belts.

Optionally, in a possible implementation, the automatic splicing device 10 further includes a new material clamping mechanism 14, and the new material clamping mechanism 14 is disposed on the mounting plate 11 and is used for clamping one end of the new material belt.

The above embodiment provides a technical scheme that a new material belt can be fixed so that the new material belt can smoothly complete hot melting with an old material belt. Be equipped with new material fixture 14 on mounting panel 11 for when placing new material area, operating personnel or executive component drag the head end (i.e. the free end) in new material area to new material fixture 14, make the head end in new material area by new material fixture 14 centre gripping, then under the condition that the head end was fixed, can steadily contradict in old material area under the removal of hot melt sword 120, and then accomplish the hot melt.

Referring to fig. 1 and 2, the new material clamping mechanism 14 includes a first pressing block 140, a second pressing block 141, and a pressing block driving member 142, wherein the first pressing block 140 is disposed on the mounting plate 11. The second pressing block 141 is provided with a cutter 90 for cutting off the new material belt, and the pressing block driving member 142 is used for driving the second pressing block 141 to move close to or away from the first pressing block 140 so as to clamp or loosen the new material belt.

Wherein, above-mentioned embodiment provides a technical scheme that can cut off new material area head end, if drag the head end in new material area to new material fixture 14 through the manual work promptly, the condition that probably has the contaminated head end appears, for guaranteeing the quality in new material area, through the drive of briquetting driving piece 142 for cutter 90 on the second briquetting 141 can cut off the head end part in new material area. Meanwhile, when the first pressing block 140 and the second pressing block 141 are not separated from each other, the new material belt can be always clamped, and after the hot melting of the new material belt and the old material belt is completed, the new material belt and the old material belt can be separated from each other to release the material belt.

Referring to fig. 4, fig. 4 is an enlarged view of the point iv in fig. 2.

It should be noted that an elastic material 141a is formed on the upper surface of the second pressing block 141, a groove 50 penetrating through the elastic material is further formed on the upper surface of the second pressing block 141 at the middle position of the elastic material 141a, and the cutter 90 is embedded in the groove 50. The lower surface of the first pressing block 140 is formed with a groove 51 into which the cutting edge of the cutter 90 can be inserted. When the second pressing block 141 is driven by the pressing block driving member 142 to be close to the first pressing block 140, the second pressing block 141 can be gradually pressed on the first pressing block 140, at this time, the elastic material 141a can be deformed, the deformed elastic material 141a can continue to clamp the new material belt with the lower surface of the first pressing block 140, and the cutter 90 can enter the groove 51 on the lower surface of the first pressing block 140, so that the free end of the new material belt is cut off.

The elastic material 141a formed on the upper surface of the second presser block 141 may be elastic rubber.

Alternatively, in one possible implementation, the automatic splicing device 10 comprises two new material clamping mechanisms 14 and two old material cutting mechanisms 13.

In the above embodiment, a technical solution capable of efficiently changing the roll splicing tape is provided. Wherein, the unwinding station of the automatic splicing device 10 can be used for placing new or old material rolls, i.e. the new material roll unwinding station and the old material roll unwinding station are mutually used. In order to adapt to the technical scheme that the unwinding stations are new and old, the two new material clamping mechanisms 14 and the two old material cutting mechanisms 13 are arranged, so that the effect of hot-melting connecting strips is achieved. When one of the unwinding stations is limited to be a first unwinding station, the other unwinding station is limited to be a second unwinding station, one of the new material clamping mechanisms 14 is limited to be a first new material clamping mechanism 14, the other new material clamping mechanism 14 is limited to be a second new material clamping mechanism 14, one of the old material cutting mechanisms 13 is limited to be a first old material cutting mechanism 13, and the other old material cutting mechanism 13 is limited to be a second old material cutting mechanism 13, if the first unwinding station unwinds a new material belt, the first new material clamping mechanism 14 clamps the new material belt, and the second old material cutting mechanism 13 cuts the old material belt positioned at the second unwinding station; if the second unwinding station unwinds the new material belt, the second new material clamping mechanism 14 clamps the new material belt, and the first old material cutting mechanism 13 cuts off the old material belt positioned at the first unwinding station.

Optionally, in a possible implementation, the hot-melt blade driving member 121 is used for driving the hot-melt blade 120 to move so as to press and hold the new material belt and the old material belt on one of the new material clamping mechanisms 14 for hot-melt connection.

In order to save materials and reasonably utilize space, when two new material clamping mechanisms 14 exist, and the new material clamping mechanisms 14 are close to the hot melting knife 120, the wall surface of one new material clamping mechanism 14 can be used as a supporting surface against which the hot melting knife 120 abuts, so that the new material belt and the old material belt can be pressed between the one new material clamping mechanism 14 and the hot melting knife 120 to be connected in a hot melting mode.

It should be noted that in other embodiments, a hot-melt abutting block may be separately provided, so that the hot-melt knife 120 can hold the new material belt and the old material belt on the hot-melt abutting block.

Referring to fig. 2, two new material clamping mechanisms 14 are arranged at intervals in the left-right direction, two old material cutting mechanisms 13 are arranged at intervals in the left-right direction, a second pressing block 141 is located below a first pressing block 140, a pressing block driving member 142 is used for driving the second pressing block 141 to move up and down, and a hot-melting knife driving member 121 is used for driving the hot-melting knife 120 to move left and right.

In this embodiment, the pressing block driving member 142 is an air cylinder.

Note that fig. 2 shows the directions of up, down, left, and right.

Referring to fig. 2, it should be noted that, in order to be able to cooperate with the hot-melting blade 120, the side wall of the first pressing block 140 of one of the new material clamping mechanisms 14, which is a supporting surface of the hot-melting blade 120, extends upward, so that the hot-melting blade 120 can abut against the portion of the side wall of the first pressing block 140 extending upward when moving leftward in the drawing.

Meanwhile, in order to avoid interference, the mounting block 122 is L-shaped, a bottom plate 122a of the mounting block 122 is parallel to the mounting plate 11, a vertical plate 122b of the mounting block 122 is perpendicular to the mounting plate 11, and the hot-melting knife 120 is fixed on the vertical plate 122b of the mounting block 122. The first pressing block 140 of the other new material clamping mechanism 14, which is not used as a supporting surface, is fixed on the mounting plate 11 through a mounting piece 140a, and a gap is formed between the first pressing block 140 and the mounting plate 11 to release the displacement space of the bottom plate 122a of the mounting block 122, wherein, since the bottom plate 122a of the mounting block 122 is located above the first pressing block 140, when the bottom plate 122a of the mounting block 122 can be displaced smoothly, the hot-melting knife 120 located on the vertical plate 122b can also be displaced smoothly to perform hot melting.

Referring to fig. 2, the automatic splicing device 10 further includes two first passing roller sets 15. The two first roller groups 15 are arranged on the mounting plate 11 and at the upstream of the hot melt belt connecting mechanism 12, and the first roller groups 15 are arranged in one-to-one correspondence with the old material cutting mechanism 13.

The first pass roller group 15 includes two pass rollers, and the two pass rollers are spaced apart in the left-right direction. Old material shutdown mechanism 13 includes cylinder and cutter 90, and cylinder drive cutter 90 is along upper and lower direction displacement to can cross the roller at two and cut off the material area.

The automatic splicing device 10 further includes a second roller group, which is provided on the mounting plate 11 and downstream of the hot-melt splicing mechanism 12.

The second roller group includes a first roller 81, a second roller 82, a third roller 83, a fourth roller 84, a fifth roller 85 and a sixth roller 86 which are located at the downstream of the new material clamping mechanism 14. The first roller 81 and the second roller 82 are arranged on the mounting plate 11 through the roller frame 80a, the third roller 83 is arranged on the mounting plate 11, and the fourth roller 84, the fifth roller 85 and the sixth roller 86 are arranged on the mounting plate 11.

Referring to fig. 1 and 2, the automatic splicing apparatus 10 further includes a turret 70, a tension control roller 71, and a turret drive member 72. The turret 70 is mounted to the mounting plate 11. The tension control roller 71 is mounted on the turret 70 downstream of the thermal splicing mechanism 12. The turret drive 72 is used to drive the turret 70 in rotation relative to the mounting plate 11.

The tension control roller 71 is positioned between the second roller 82 and the third roller 83, and the tension of the material belt between the second roller 82 and the third roller 83 can be controlled through the tension control roller 71. The rotating frame driving member 72 is a motor fixed to the mounting plate 11.

Wherein, a tension sensor 60 is provided at the fifth roller 85 to sense the tension of the material strip passing through the fifth roller 85, and the tension signal transmitted by the tension sensor 60 can make the turret driving element 72 respond to change the rotation angle of the tension control roller 71.

Optionally, in a possible implementation manner, the mounting plate 11 is provided with two mounting holes 11a for mounting the first unwinding mechanism and the second unwinding mechanism respectively.

Referring to fig. 1 or fig. 2, it can be seen that two mounting holes 11a are respectively opened at the upper left and upper right of the mounting plate 11.

It should be noted that the present embodiment further provides an automatic belt splicing device 20, please refer to fig. 5, and fig. 5 shows a specific structure of the automatic belt splicing device 20.

Compared with the automatic tape splicing device 10, the automatic tape splicing device 20 further comprises a first unwinding mechanism 21, a second unwinding mechanism 22 and the automatic tape splicing device 10 provided above. The first unwinding mechanism 21 and the second unwinding mechanism 22 are respectively disposed on the mounting plate 11.

Fig. 5 shows the new tape 20a and the old tape 20b, and also shows the new tape 20a and the old tape 20b, and the way the tapes are threaded after splicing.

After the first unwinding mechanism 21 and the second unwinding mechanism 22 are installed on the mounting plate 11, the new material belt 20a or the old material belt 20b can be unwound respectively, the new material belt 20a and the old material belt 20b are threaded through the first roller set 15 and the second roller set, the front end of the new material belt 20a is clamped to the new material clamping mechanism 14 (here, the action is not shown in fig. 4), and the free end of the new material belt 20a is cut by the cutter 90 in the new material clamping mechanism 14. The new and old material strips 20b are heat-fused at the heat-fusing mechanism 12. The old material cutting mechanism 13 then cuts the old material tape 20b, completing splicing.

It should be noted that the first unwinding mechanism 21 and the second unwinding mechanism 22 are both unwinding devices for unwinding, and each unwinding device includes an unwinding shaft, a motor for driving the unwinding shaft to rotate, and an expansion structure for clamping the material tape, and the expansion mechanism is driven by an air cylinder to expand or retract to clamp or separate the material tape.

Based on the automatic tape splicing device 10, the automatic tape splicing device 20 can solve the problems that when the existing automatic tape splicing mechanism carries out new and old material roll splicing, the efficiency of a machine is reduced, the labor cost is increased and the quality of a battery cell is influenced due to manual glue preparation.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An automatic splicing device, comprising:

mounting a plate;

the hot melting and tape splicing mechanism is arranged on the mounting plate and comprises a flaky hot melting knife and a hot melting knife driving piece, the hot melting knife is used for hot melting and connecting an old material belt and a new material belt, the hot melting knife driving piece is arranged on the mounting plate, and the hot melting knife driving piece is used for driving the hot melting knife to move;

the old material cutting mechanism is arranged on the mounting plate and used for cutting off the old material belt; and

new material fixture locates the mounting panel for the one end in the new material area of centre gripping, wherein, new material fixture includes first briquetting, second briquetting and briquetting driving piece, and first briquetting is located the mounting panel, second briquetting are equipped with the cutter that is used for cutting off new material area, and the briquetting driving piece is used for the drive the second briquetting is close to or keeps away from first briquetting removes to the centre gripping or loosens new material area.

2. The automatic splicing device according to claim 1,

the automatic belt splicing device comprises two new material clamping mechanisms and two old material cutting mechanisms.

3. The automatic splicing device according to claim 2,

the wall surface of one of the new material clamping mechanisms is used as a supporting surface; and the hot melting cutter presses the new material belt and the old material belt on the supporting surface for hot melting connection.

4. The automatic splicing device according to claim 2,

two new material fixture interval sets up on the left right direction, two old material shutdown mechanism interval sets up on the left right direction, the second briquetting is located the below of first briquetting, the briquetting driving piece is used for driving the second briquetting reciprocates, hot melt sword driving piece is used for driving the hot melt sword is removed from side to side.

5. The automatic splicing device of claim 2, further comprising:

two first roller groups of crossing are located the mounting panel just is in the upper reaches of hot melt splicing tape mechanism, first roller group of crossing with old material shutdown mechanism one-to-one sets up.

6. The automatic splicing device of claim 1, further comprising:

and the second roller group is arranged on the mounting plate and is positioned at the downstream of the hot melt belt connecting mechanism.

7. The automatic splicing device of claim 1, further comprising:

the rotating frame is arranged on the mounting plate;

the tension control roller is arranged on the rotating frame and is positioned at the downstream of the hot melt belt connecting mechanism;

and the rotating frame driving part is used for driving the rotating frame to rotate relative to the mounting plate.

8. The automatic splicing device according to claim 1,

and two mounting holes are formed in the mounting plate and used for mounting the first unwinding mechanism and the second unwinding mechanism respectively.

9. The automatic splicing device of claim 1, wherein the automatic splicing device comprises a first unwinding mechanism and a second unwinding mechanism;

the first unwinding mechanism and the second unwinding mechanism are respectively arranged on the mounting plate.