CN215433814U - Film tape cutting device and film tape processing equipment - Google Patents

Abstract

The utility model discloses a film strip cutting device and film strip processing equipment, wherein the film strip cutting device comprises a rack, a pressing mechanism and a cutting mechanism, wherein the pressing mechanism and the cutting mechanism are installed on the rack; the pressing mechanism comprises a lower pressing plate and an upper pressing plate which is positioned above the lower pressing plate and can move up and down relative to the lower pressing plate; the lower pressing plate extends towards the rear side of the pressing mechanism to form an extending part exceeding the upper pressing plate, and at least two notch grooves sunken towards the front side are formed in the edge of the extending part towards the rear side at intervals along the edge. According to the technical scheme provided by the utility model, in the process of cutting the membrane strip, the problem of membrane strip bending caused by the condition that the membrane strip extends out of the lower pressing plate for clamping the membrane strip can be avoided, so that the quality of the cut membrane is ensured.

Description

Film tape cutting device and film tape processing equipment

Technical Field

The utility model belongs to the technical field of battery production, and particularly relates to a film strip cutting device and film strip processing equipment.

Background

At present, the conventional solar cell leads the photo-generated current in the cell to the outside of the cell through the grid lines on the conventional solar cell, and considering the final conductivity, the conventional grid lines are mostly printed by silver paste, and the solar cell is divided into three main grids, four main grids and multiple main grids according to different printing processes.

For the solar cell with three main grids, four main grids and multiple main grids, a plurality of welding strips are respectively welded with the main grid lines of the solar cell by using soldering flux at present, so that a cell string formed by connecting a plurality of cells in series is obtained, and finally, conversion from light energy to electric energy is realized. However, the battery string obtained by welding the welding strip and the main grid line has a large shading area, influences the photoelectric conversion efficiency, and has high silver paste cost.

In order to overcome the problems, a non-main grid crystalline silicon solar cell is provided, and a manufacturing process for forming a series of non-main grid cells by connecting the non-main grid cells in series adopts that an upper membrane and a lower membrane are respectively arranged on two sides of a cell string formed by overlapping a welding strip and the cells.

Therefore, in order to stack a film on a battery string formed by stacking a battery cell and a solder ribbon, it is necessary to design an apparatus capable of providing a film.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a film strip cutting device and a film strip processing device, which are used for providing a film for a battery string formed by stacking a welding strip and a battery piece.

In order to achieve the purpose, the utility model provides a film strip cutting device which comprises a rack, a pressing mechanism and a cutting mechanism, wherein the pressing mechanism and the cutting mechanism are installed on the rack;

the pressing mechanism comprises a lower pressing plate and an upper pressing plate which is positioned above the lower pressing plate and can move up and down relative to the lower pressing plate; the lower pressing plate extends towards the rear side of the pressing mechanism to form an extending part exceeding the upper pressing plate, and at least two notch grooves sunken towards the front side are formed in the edge of the extending part towards the rear side at intervals along the edge.

Optionally, a flexible layer is disposed on the bottom surface of the upper platen.

Optionally, the cutting mechanism comprises a lower cutting knife and a lower driving mechanism for driving the lower cutting knife to move up and down;

the cutting mechanism also comprises an upper cutter positioned above the lower cutter and an upper driving mechanism for driving the upper cutter to move up and down relative to the lower cutter;

wherein, be provided with spacing part in the frame, spacing part sets up to carry out spacingly in order to prevent that lower cutter from surpassing the upper surface of holding down plate to the rebound of lower cutter.

Optionally, the film strip cutting device further comprises a guide wheel which is installed on the frame and located on the front side of the pressing mechanism, and the guide wheel guides the film strip entering the pressing mechanism from the front side of the pressing mechanism.

According to another aspect of the utility model, the film strip processing equipment comprises a film strip traction device and the film strip cutting device, wherein the film strip traction device is arranged on one side of the cutting mechanism, which is far away from the pressing mechanism;

the film tape traction device comprises an installation frame and at least two clamping mechanisms arranged on the installation frame, wherein each clamping mechanism corresponds to one notch groove of the film tape cutting device;

when the film belt to be cut is laid on the lower pressing plate of the pressing mechanism and extends to the extending part, each clamping mechanism of the film belt traction device clamps the film belt at the corresponding notch groove and pulls the film belt to pass through the cutting mechanism.

Optionally, the film belt processing equipment further comprises a supporting device arranged on one side of the cutting mechanism, which is far away from the pressing mechanism, and the supporting device comprises a bearing plate for bearing the film belt;

the film belt traction device pulls the film belt to be laid on the bearing plate after the film belt passes through the cutting mechanism, and the cutting mechanism cuts the film belt after the pressing mechanism presses the film belt.

Optionally, the supporting device further comprises a driving mechanism for driving the bearing plate to move, and the bearing plate bears the cut film belt to move to a preset position.

Optionally, the film strip processing equipment further comprises a first lifting mechanism for driving the film strip traction device to lift.

Optionally, the film tape processing apparatus further comprises a second lifting mechanism for driving the film tape cutting device to lift.

Optionally, the film strip processing apparatus comprises a vertical back plate, a vertical first rail is arranged between the film strip cutting device and the back plate, and the film strip cutting device can lift and fall along the first rail;

the film belt traction device is arranged on the sliding frame in a liftable mode, the sliding frame is arranged on the back plate in a horizontally movable mode, a horizontal second rail is arranged between the sliding frame and the back plate, a vertical third rail is arranged between the film belt traction device and the sliding frame, the sliding frame can drive the film belt traction device to horizontally move along the second rail, and the film belt traction device can lift along the third rail;

a horizontal fourth rail is arranged between the bearing plate and the back plate, and the bearing plate can horizontally move along the fourth rail.

According to the film tape cutting device and the film tape processing equipment, the film can be provided for the battery string formed by stacking the welding tape and the battery piece, and in the technical scheme provided by the utility model, the film tape to be cut is supported by the extension part, and the film tape is clamped by the clamping mechanism of the film tape traction device in the notch groove of the extension part, so that the problem that the film tape is bent under the condition that the film tape extends out of the lower pressing plate for clamping the film tape can be avoided, and the quality of the cut film can be ensured.

Drawings

FIG. 1 is a schematic diagram of a film strip cutting apparatus according to one embodiment of the present invention;

FIG. 2 is a schematic view of the film strip slitting device of FIG. 1 from the other side;

FIG. 3 is a schematic view of the structure of a film strip processing apparatus according to one embodiment of the present invention;

fig. 4 is a schematic view of a film strip pulling device gripping a film strip from a film strip cutting device.

Description of the reference numerals

1-film tape cutting device; 11-a pressing mechanism; 111-an upper platen; 112-lower platen; 1121-an extension; 1122-notch groove; 113-a flexible layer; 114-upper platen drive cylinder; 12-a cutting mechanism; 121-upper cutter; 122-lower cutter; 123-an upper cutter mounting bracket; 124-lower cutter driving cylinder; 125-upper cutter driving cylinder; 13-a frame; 14-a guide wheel; 15-a stop member; 16-a lifting cylinder; 2-film belt traction device; 21-a mounting frame; 22-a clamping mechanism; 23- -Upper chuck drive Cylinder; 24-a clamping lifting cylinder; 3-a supporting device; 31-a carrier plate; 4-a back plate; 5-sliding rack.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and the like. In other instances, well-known structures, methods, devices, implementations, materials, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may also be otherwise oriented, such as by rotation through 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.

The utility model provides a film strip cutting device, as shown in fig. 1 and 2, the film strip cutting device 1 comprises a frame 13, a pressing mechanism 11 and a cutting mechanism 12, wherein the pressing mechanism 11 and the cutting mechanism 12 are installed on the frame 13, the cutting mechanism 12 is arranged at the rear side of the pressing mechanism 11, a film strip to be cut sequentially penetrates through the pressing mechanism 11 and the cutting mechanism 12 from the front side of the pressing mechanism 11, when the pressing mechanism 11 presses the film strip, the cutting mechanism 12 cuts the film strip, and the cut film strip can be used for being stacked on a battery string formed by welding strips and battery pieces.

The pressing mechanism 11 comprises a lower pressing plate 112 and an upper pressing plate 111 which is positioned above the lower pressing plate 112 and can move up and down relative to the lower pressing plate 112; the lower pressing plate 112 extends toward the rear side of the pressing mechanism 11 to form an extending portion 1121 extending beyond the upper pressing plate 111, and at least two notch grooves 1122 recessed toward the front side are formed on the edge of the extending portion 1121 facing the rear side at intervals along the edge.

Since the film tape pulling device located at the rear side of the cutting mechanism 12 is required to clamp and pull the film tape to move after the film tape is cut by the cutting mechanism 12, in general, in order to conveniently clamp the film tape, the end of the film tape to be clamped needs to be stretched out of the lower pressing plate 112, but if the stretching is too long, the stretched part of the film tape may droop and bend, and if the stretching is too short, the film tape may be clamped inconveniently. Therefore, the film strip cutting device provided by the utility model has the advantages that the extension part 1121 is formed by extending the lower pressing plate 112 towards the rear side of the pressing mechanism, and the notch groove 1122 is formed in the extension part 1121, so that the film strip can be clamped in the notch groove 1122 by the clamping mechanism of the film strip traction device under the support of the extension part 1121, the problem of bending of the film strip caused by the fact that the film strip extends out of the lower pressing plate for clamping the film strip can be avoided, and the quality of the cut film strip can be ensured.

The film tape cutting device provided by the utility model is explained in detail by an embodiment in combination with the accompanying drawings.

As shown in fig. 1 and 2, the film tape cutting apparatus 1 includes a frame 13, and a pressing mechanism 11 and a cutting mechanism 12 are mounted on the frame 13.

The pressing mechanism 11 includes an upper pressing plate 111 and a lower pressing plate 112, the lower pressing plate 112 is fixed on the frame 13, a plurality of notch slots 1122 are formed on an extension portion 1121 of the lower pressing plate 112, and the upper pressing plate 111 moves up and down by the driving of an upper pressing plate driving cylinder 114, so as to press or release the film tape.

Optionally, a flexible layer 113 is provided on the bottom surface of the upper platen 111 facing the lower platen 112, so that when the upper platen 111 is moved down against the lower platen 112 to compress the film strip, no damage is caused to the film strip.

The cutting mechanism 12 includes a lower cutting knife 122, a lower driving mechanism for driving the lower cutting knife 122 to move up and down, the lower driving mechanism is preferably a lower cutting knife driving cylinder 124 located at both sides of the lower cutting knife 122 shown in fig. 1; the cutting mechanism 12 further includes an upper cutter 121 located above the lower cutter 122, and an upper driving mechanism for driving the upper cutter 121 to move up and down relative to the lower cutter 122, the upper driving mechanism is preferably an upper driving cylinder 125 as shown in fig. 1, a cylinder body of the upper driving cylinder 125 is mounted on the frame 13, a driving end is connected to an upper cutter mounting bracket 123 on which the upper cutter 121 is mounted, and the upper driving cylinder 125 drives the upper cutter 121 and the lower driving cylinder 124 to drive the lower cutter 122 to move towards each other to cut the film tape.

Optionally, a limiting component 15 is disposed on the frame 13, and the limiting component 15 is configured to limit the upward movement of the lower cutter 122 to prevent the lower cutter 122 from exceeding the upper surface of the lower pressing plate 112. That is, when the upper cutter 121 and the lower cutter 122 cut the film tape laid on the lower press plate 112, the lower cutter 122 cannot exceed the upper surface of the lower press plate 112, and the cutting quality of the film tape is prevented from being affected when the lower cutter moves upward beyond the lower press plate 112.

In this embodiment, the film strip cutting device 1 further includes a guide wheel 14 mounted on the frame 13 and located in front of the pressing mechanism 11, and the guide wheel 14 guides the film strip entering the pressing mechanism 11 from the front side of the pressing mechanism 11. Specifically, the film tape is fed between the upper platen 111 and the lower platen 112 of the pressing mechanism 11 from below the guide wheel 14, so that the film tape can be attached to the lower platen 112.

According to another aspect of the present invention, there is also provided a film tape processing apparatus, comprising a film tape drawing device 2 and the film tape cutting device 1 as above, the film tape drawing device 2 being disposed on a side of the cutting mechanism 12 facing away from the pressing mechanism 11;

as shown in fig. 3 and 4, the film strip drawing device 2 includes a mounting frame 21 and at least two clamping mechanisms 22 mounted on the mounting frame 21, and each clamping mechanism 22 corresponds to one of the notch grooves 1122 of the film strip cutting device 1.

When the film tape to be cut is laid on the lower platen 112 of the pressing mechanism 11 and extends onto the extending portion 1121, each clamping mechanism 22 of the film tape drawing device 2 respectively grips the film tape at the corresponding notched groove 1122 and draws the film tape through the cutting mechanism 12. As shown in fig. 3, each clamping mechanism 22 includes a lower clamp head and an upper clamp head that engages the lower clamp head to clamp the film strip at the cutaway slot 1122 upon actuation of the upper clamp head drive cylinder 23.

The film belt processing equipment further comprises a supporting device 3 arranged on one side of the cutting mechanism 12, which is far away from the pressing mechanism 11, wherein the supporting device 3 comprises a bearing plate 31 for bearing the film belt;

the film belt traction device 2 pulls the film belt to be laid on the bearing plate 31 after the film belt passes through the cutting mechanism 12, the cutting mechanism 12 cuts the film belt after the pressing mechanism 11 presses the film belt, and the film sheets cut from the film belt are laid on the bearing plate 31. Alternatively, the carrier plate 31 is arranged to be able to attract the carried membrane.

The supporting device 3 further includes a driving mechanism for driving the supporting plate 31 to move, the supporting plate 31 carries the cut membrane to move to a preset position, and after the membrane carried on the supporting plate 31 is removed by, for example, a membrane adsorbing device, the supporting plate 31 returns to the membrane strip cutting device 1 under the driving of the driving mechanism to continue to carry the cut membrane.

The film strip processing equipment also comprises a first lifting mechanism for driving the film strip traction device 2 to lift. The first lifting mechanism is a clamping lifting cylinder 24 connected with the mounting frame 21 of the film strip traction device 2, and the clamping lifting cylinder 24 drives the mounting frame 21 to lift, so that the clamping mechanism on the mounting frame 21 is driven to lift to a height corresponding to the lower pressing plate 112 of the film strip cutting device 1 to clamp the film strip.

In addition, when the film belt traction device 2 moves to the position of the film belt cutting device 1 to clamp the film belt, in order to prevent the film belt traction device 2 from rubbing against the bearing plate 31 of the supporting device 3 in the moving process, the first lifting mechanism drives the film belt traction device 2 to ascend to a position higher than the bearing plate 31 and then move towards the direction of the film belt cutting device 1, and when the film belt traction device moves to the position of the film belt cutting device 1, the film belt traction device descends to a preset position to clamp the film belt.

The film strip processing apparatus further comprises a second lifting mechanism for driving the frame 13 of the film strip cutting device 1 to lift, and the second lifting mechanism is a lifting cylinder 16 shown in fig. 1-3 in the embodiment.

After the film tape traction device 2 clamps the film tape from the film tape cutting device 1 and pulls the film tape to move, the film tape is laid on the bearing plate 31 of the bearing device 3, the clamping mechanism 11 of the film tape cutting device 1 clamps the film tape, and at the moment, the film tape cutting device 1 and the film tape traction device 2 can be driven to simultaneously descend for a preset distance, so that the film tape can be attached to the bearing plate 31 and then cut.

The specific arrangement of the film tape cutting device 1, the film tape traction device 2 and the supporting device 3 is shown in fig. 3:

the film tape processing apparatus includes a back plate 4 standing upright, and the film tape cutting device 1 is mounted on the back plate 4 movably up and down. Specifically, a vertical first track is arranged between a frame 13 of the film strip cutting device 1 and the back plate 4, a lifting cylinder 16 is installed on the back plate 4, the driving end of the lifting cylinder is connected with the frame 13 of the film strip cutting device 1, and the frame 13 is driven to lift relative to the back plate 4 along the first track through the lifting cylinder 16;

the film strip traction device 2 is arranged on the sliding frame 5 in a liftable mode, the sliding frame 5 is arranged on the back plate 4 in a horizontally movable mode, a horizontal second rail is arranged between the sliding frame 4 and the back plate 4, a vertical third rail is arranged between the mounting frame 21 of the film strip traction device 2 and the sliding frame 5, the sliding frame 5 can drive the film strip traction device 2 to horizontally move along the second rail, and the film strip traction device 2 can lift along the third rail;

a horizontal fourth track is provided between the carrier plate 31 and the back plate 4 of the supporting device 3, and the carrier plate 31 can move horizontally along the fourth track.

The driving mechanism for driving the film strip cutting device 1, the film strip pulling device 2 and the supporting device 3 to move may be, for example, an air cylinder, a screw mechanism or a synchronous belt, which are known to those skilled in the art and will not be described in detail herein.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the utility model, numerous simple modifications can be made to the technical solution of the utility model, including combinations of the individual specific technical features in any suitable way. The utility model is not described in detail in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.

Claims (10)

1. The film belt cutting device is characterized by comprising a rack, a pressing mechanism and a cutting mechanism, wherein the pressing mechanism and the cutting mechanism are mounted on the rack;

the pressing mechanism comprises a lower pressing plate and an upper pressing plate which is positioned above the lower pressing plate and can move up and down relative to the lower pressing plate; the lower pressing plate extends towards the rear side of the pressing mechanism to form an extending part which exceeds the upper pressing plate, and at least two notch grooves which are sunken towards the front side are arranged on the edge of the extending part towards the rear side at intervals along the edge.

2. The film strip slitting device as claimed in claim 1, wherein the upper platen has a flexible layer disposed on a bottom surface thereof.

3. The film strip cutting device according to claim 1, wherein the cutting mechanism comprises a lower cutter, a lower driving mechanism for driving the lower cutter to move up and down;

the cutting mechanism also comprises an upper cutter positioned above the lower cutter and an upper driving mechanism for driving the upper cutter to move up and down relative to the lower cutter;

the upper surface of the lower pressing plate is provided with a lower cutter, and the lower cutter is arranged on the lower pressing plate and is provided with a limiting part which limits the upward movement of the lower cutter so as to prevent the lower cutter from exceeding the upper surface of the lower pressing plate.

4. The film strip cutting apparatus of any one of claims 1-3 further comprising a guide wheel mounted on the frame and located at a front side of the hold-down mechanism, the guide wheel guiding a film strip entering the hold-down mechanism from a front side of the hold-down mechanism.

5. A film strip processing device, which is characterized by comprising a film strip cutting device according to any one of claims 1 to 4 and a film strip traction device, wherein the film strip traction device is arranged on one side of the cutting mechanism, which is far away from the pressing mechanism;

the film strip traction device comprises a mounting rack and at least two clamping mechanisms mounted on the mounting rack, and each clamping mechanism corresponds to one notch groove of the film strip cutting device;

when the film belt to be cut is laid on the lower pressing plate of the pressing mechanism and extends to the extending part, each clamping mechanism of the film belt traction device is used for clamping the film belt at the corresponding notch groove and drawing the film belt to pass through the cutting mechanism.

6. The film strip processing apparatus of claim 5, further comprising a holding device disposed on a side of the cutting mechanism facing away from the pressing mechanism, the holding device comprising a carrier plate for carrying a film strip;

the film belt traction device pulls the film belt to pass through the cutting mechanism and then pulls the film belt to be laid on the bearing plate, and after the pressing mechanism presses the film belt tightly, the cutting mechanism cuts the film belt.

7. The film strip processing apparatus of claim 6 wherein the holding device further comprises a drive mechanism for driving the movement of the carrier plate carrying the cut film strip to a predetermined position.

8. The film strip processing apparatus of claim 5, further comprising a first lifting mechanism for driving the film strip pulling device to lift.

9. The film tape processing apparatus according to claim 6, further comprising a second elevating mechanism for driving the film tape cutting device to ascend and descend.

10. The film strip processing apparatus of claim 9, comprising an upright back plate, wherein an upright first rail is provided between the film strip cutting device and the back plate, along which the film strip cutting device is liftable;

the film strip traction device is arranged on the sliding frame in a liftable mode, the sliding frame is arranged on the back plate in a horizontally movable mode, a horizontal second rail is arranged between the sliding frame and the back plate, a vertical third rail is arranged between the film strip traction device and the sliding frame, the sliding frame can drive the film strip traction device to horizontally move along the second rail, and the film strip traction device can lift along the third rail;

a horizontal fourth rail is arranged between the bearing plate and the back plate, and the bearing plate can horizontally move along the fourth rail.

Images