Solder strip pressing tool for solar cell

Abstract

The utility model provides a welding strip pressing tool for a solar cell, which comprises a tool main body, a plurality of rows of pressing needles are fixed on the tool main body, the side edge of the tool main body is connected with a tool support body through an extension part, and a row of pressing needles are fixed on the tool support body. Wherein the extension part comprises a static part fixed on the tool main body and a movable part fixed on the tool support body; the moving part is movably connected with the static part, and the moving part is configured to have two states of approaching and leaving from the static part. The welding strip cutting tool is simple in structure, the pressing needle on the side edge of the tool presses the edge of a welding strip as much as possible by extending the using width of the tool, and warping at the cutting position of the welding strip is effectively eliminated or corrected.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of solar cells, in particular to a welding strip pressing tool for solar cells. Background Art

[0002] Solar cells, also known as solar chips or photovoltaic cells, can instantly output voltage and generate current in a circuit as long as they are illuminated by light that meets certain illumination conditions. In physics, this process is called solar photovoltaic (PV), or PV for short. The main principle of solar cells is the photovoltaic effect or the photochemical effect, through which it can directly convert light energy into electrical energy.

[0003] Back-contact solar cells (BC cells) are a special solar cell design whose main feature is that the metal contact points of the cell are located on the back of the cell, rather than the front surface of the traditional design. This design helps to reduce shadowing on the front surface and improve the photoelectric conversion efficiency of the cell. Back-contact solar cells have many advantages, such as higher photoelectric conversion efficiency, lower temperature coefficient, and better weak light response, which make back-contact solar cells have broad application prospects in the photovoltaic field. With the continuous advancement of technology and the reduction of costs, back-contact solar cells are expected to be more widely used in the future.

[0004] The front of the back-contact solar cell is completely free of grid lines, so it has higher cell efficiency and more beautiful appearance. It has played an important role in the development of photovoltaics in recent years. The main grid-free technology is an important direction for the cost reduction of back-contact solar cells in the future. Unlike conventional cells, the solder strips are concentrated on the back and arranged in a forked pattern. Under the existing technology, during the laying of the solder strips, due to equipment or other factors, the cut part of the solder strips is prone to warping. The warped solder strips have the risk of breaking during lamination, and the warped solder strips after lamination are prone to piercing the back film. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a welding strip pressing tool for solar cells, which has a simple structure and can effectively eliminate or correct the warping of the welding strip at the cutting position.

[0006] In order to solve the above-mentioned technical problems, the utility model provides a solder strip pressing tool for solar cells, including a tool body, a plurality of rows of pressure pins are fixed on the tool body, the side of the tool body is connected to the tool support through an extension part, and the tool support is fixed with a row of pressure pins, wherein the extension part includes: a stationary part fixed on the tool body, and a movable part fixed on the tool support; the movable part is movably connected to the stationary part, and the movable part is configured to have two states of approaching and moving away from the stationary part.

[0007] Optionally, the stationary part is a groove provided on the tooling body, and the movable part is a sliding block fixed to the tooling support, and the sliding block is placed in the groove.

[0008] Optionally, the sliding block is placed on a top fixed limiting block in the groove.

[0009] Optionally, the stationary part is a slot provided in the tooling body, and the movable part is a movable block, one end of the movable block is placed in the slot, and the other end is fixed to the tooling support.

[0010] Optionally, a spring and a stopper used in conjunction with the spring are provided, wherein one end of the spring is fixed to the tooling body, and the other end is fixed to the movable part; when the spring is in a compressed state, the tooling support is close to the tooling body, and when the spring is in an expanded state, the tooling support is away from the tooling body.

[0011] Optionally, a first magnet and a second magnet are provided, the first magnet is provided on the tooling body, and the second magnet is provided on the moving part; when the first magnet and the second magnet attract each other, the tooling support is close to the tooling body, and when the first magnet and the second magnet repel each other, the tooling support is away from the tooling body.

[0012] Optionally, the first magnet and / or the second electromagnet is an electromagnet.

[0013] Optionally, the upper surface of the tooling body is flush with the upper surface of the tooling support, and the lower surface of the tooling body is flush with the lower surface of the tooling support.

[0014] Optionally, a linear motor is further included, wherein the stator of the linear motor is fixed on the tooling body, and the mover of the linear motor is connected to the moving part.

[0015] Optionally, it further includes a screw transmission mechanism, which is fixed on the tooling body, and a movable nut of the screw transmission mechanism is connected to the moving part.

[0016] Compared with the prior art, the utility model has the following advantages: the outermost row of pressure pins of the tooling is changed into a movable design. After the tooling is pressed down, the pressure pins in the outermost row move toward the warped head of the welding strip. By extending the use width of the tooling, the pressure pins on the side of the tooling can press the edge of the welding strip as much as possible, effectively eliminating or correcting the warped head at the cut point of the welding strip. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are included to provide a further understanding of the present application. They are included and constitute a part of the present application. The accompanying drawings illustrate embodiments of the present application and together with the present specification serve to explain the principles of the present application. In the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the structure of the welding ribbon pressing tooling of a traditional solar cell;

[0019] Figure 2 This is a schematic diagram of the welding ribbon warping caused by the welding ribbon pressing tool of the traditional solar cell;

[0020] Figure 3 This is a schematic diagram of the soldering ribbon lifting and piercing the adhesive film;

[0021] Figure 4 This is a schematic structural diagram of a soldering ribbon pressing tool for a solar cell according to an embodiment of the utility model;

[0022] Figure 5 yes Figure 4 An enlarged schematic diagram of the middle extension;

[0023] Figure 6 It is a schematic diagram of the structure of a soldering ribbon pressing tool for a solar cell according to another embodiment of the utility model;

[0024] Figure 7 yes Figure 6 An enlarged schematic diagram of the middle extension;

[0025] Figure 8 It is a schematic diagram of the extension portion when the spring is contracted in another embodiment of the utility model;

[0026] Fig. 9 It is a schematic diagram of the extension portion when the spring is unfolded in another embodiment of the utility model;

[0027] Fig.10 This is a schematic diagram of the extension portion when the magnets attract each other in another embodiment of the utility model;

[0028] Fig.11 It is a schematic diagram of the extension part when the magnets repel each other in another embodiment of the utility model;

[0029] Fig.12 It is a schematic diagram of the extension part when a linear motor is used in another embodiment of the utility model;

[0030] Fig.13 It is a schematic diagram of the extension part when a screw transmission mechanism is adopted in another embodiment of the utility model;

[0031] Fig.14 The utility model is a schematic diagram of the use of the soldering strip pressing tool of the solar cell.

[0032] The reference numerals are:

[0033] 10-tooling, 110-tooling body, 120-tooling support, 130-extension part, 140-pressing needle, 150-clamping claw;

[0034] 131-stationary part, 1311-groove, 1312-slot;

[0035] 132-moving member, 1321-sliding block, 1322-moving block;

[0036] 133-limiting block;

[0037] 134-spring, 135-stopper;

[0038] 136 - first magnet, 137 - second magnet;

[0039] 138- linear motor, 1381- stator, 1382- mover;

[0040] 139-screw transmission mechanism, 1391-screw, 1392-movable nut;

[0041] 20-welding strip;

[0042] 30-battery;

[0043] 40-front adhesive film;

[0044] 50-back film;

[0045] 60-front glass;

[0046] 70-Back panel (or glass). DETAILED DESCRIPTION

[0047] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for the description of the embodiments. Obviously, the drawings described below are only some examples or embodiments of the present application. For ordinary technicians in this field, the present application can also be applied to other similar scenarios based on these drawings without creative work. Unless it is obvious from the language environment or otherwise explained, the same reference numerals in the figures represent the same structure or operation.

[0048] As shown in this application and claims, unless the context clearly indicates an exception, the words "a", "an", "an" and / or "the" do not refer to the singular and may also include the plural. Generally speaking, the terms "include" and "comprise" only indicate the inclusion of the steps and elements that have been clearly identified, and these steps and elements do not constitute an exclusive list. The method or device may also include other steps or elements.

[0049] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the application. Meanwhile, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to actual proportional relationships. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0050] In addition, it should be noted that the use of words such as "first" and "second" to define components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above words have no special meaning and cannot be understood as limiting the scope of protection of this application. In addition, although the terms used in this application are selected from well-known and commonly used terms, some terms mentioned in the specification of this application may be selected by the applicant at his or her discretion, and their detailed meanings are explained in the relevant parts of the description of this article. In addition, it is required to understand this application not only by the actual terms used, but also by the meaning implied by each term.

[0051] refer to Figure 1-2 As shown, the commonly used tooling 10 generally includes a tooling body 110, on which multiple rows of pressure pins 140 are arranged. In the preparation process of conventional back-contact battery strings, when the above-mentioned tooling 10 is used to carry and align the welding ribbon 20, since the positive and negative electrodes of the back-contact battery are all concentrated on the back of the battery 30, the processing method of the welding ribbon 20 is different from that of conventional double-sided components. When the back side, that is, the welding ribbon 20 faces upward, is used, the welding ribbon 20 will be cut in advance according to certain requirements, and then the clamping function between the pressure pins 140 and the clamping jaws 150 below the tooling 10 is used to clamp and carry the welding ribbon 20, and the welding ribbon is placed at the corresponding position on the battery 30 as required, and the rear clamping jaws 150 retreat, and the pressure pins 140 on the tooling 10 press the welding ribbon 20 on the battery 30.

[0052] The battery assembly formed by the above method is as follows Figure 3 As shown, the layers from bottom to top are the front glass 60, the front adhesive film 40, the battery 30, the soldering tape 20, the back adhesive film 50 and the back plate 70 (or glass plate). However, due to certain instabilities in the operation of the equipment and the limitation of the retreat distance of the clamping jaw 150 itself, the clamping jaw 150 will contact the end of the soldering tape 20 during the retreat process in actual production, causing the end of the soldering tape 20 to warp. In the subsequent lamination process, the back adhesive film 50 may be pierced, which will have an adverse effect on the reliability of the battery assembly.

[0053] Embodiment 1

[0054] Figure 4 This is a schematic structural diagram of a solar cell soldering ribbon pressing tooling device according to an embodiment of the utility model. Figure 5 yes Figure 4 The enlarged schematic diagram of the middle extension portion 130 is shown in FIG. Figure 4-5 As shown, the tooling 10 includes a tooling body 110, on which a plurality of rows of pressure pins 140 are fixed, and the side of the tooling body 110 is connected to the tooling support 120 through an extension portion 130, and the tooling support 120 is fixed with a row of pressure pins 140, wherein the extension portion 130 includes a stationary part 131 fixed on the tooling body 110, and a movable part 132 fixed on the tooling support 120, the movable part 132 is movably connected to the stationary part 131, and the movable part 132 is configured to have two states of being close to and away from the stationary part 131.

[0055] In this embodiment, the position of the pressure pins 140 on both sides of the tooling 10 is changed to optimize the warping of the welding ribbon 20. Fig.14 As shown, the pressing pins 140 on both sides of the tool 10 are changed into a movable structure, so that the tool 10 is divided into a fixed part (tool body 110) and a movable part (tool support 120), and the outermost pressing pins 140 can reciprocate along the direction of the welding strip 20, in the direction away from and close to the fixed part pressing pins 140. When the welding strip 20 is cut and transported, the moving part 132 and the stationary part 131 are in contact. At this time, the width W1 of the tool 10 is equal to the width W0 of the tool 10 before the improvement, and the welding strip 20 can be processed and placed according to the normal operation. After the clamping jaws 150 for clamping the welding strip 20 are completely retracted, the moving part 132 on the tool 10 can move in the direction away from the stationary part 131, and at this time the width W1 of the tool 10 satisfies the following relationship: W1>W0. Above the warped position of the soldering ribbon 20 , due to the pressing effect of the pressing needle 140 , the bent portion of the soldering ribbon 20 at the original end can be closely attached to the battery 30 , thereby effectively eliminating or correcting the warped head at the cut portion of the soldering ribbon 20 .

[0056] Furthermore, the stationary part 131 is a groove 1311 provided on the tooling body 110 , and the movable part 132 is a sliding block 1321 fixed to the tooling support 120 , and the sliding block 1321 is placed in the groove 1311 .

[0057] In this embodiment, a groove 1311 is provided on the tool body 110, and a slider 1321 is provided on the tool support 120. Under the action of the groove 1311, the slider 1321 can reciprocate along the groove 1311. At the same time, due to the limiting effect of the groove 1311, the pressure pin 140 on the tool support 120 will not move indefinitely in the direction away from the tool body 110. When the welding is completed and the tool 10 is recovered, the tool support 120 can move toward the tool body 110 to restore the tool 10 to the initial state of width W0, and complete the back and forth switching between the W0 state and the W1 state in the whole process. Exemplarily, the groove 1311 can be a local depression on the tool body 110, or it can be a through hole that runs through the contact position between the tool body 110 and the tool support 120.

[0058] In one example, the sliding block 1321 is placed in the top of the groove 1311 to fix the limiting block 133. Figure 5 As shown, the role of the limiting block 133 is to further ensure that the sliding block 1321 moves only within the range of the groove 1311 to prevent the tool support 120 from falling off the tool body 110.

[0059] The solar cell solder strip pressing tool 10 provided in this embodiment mainly enables the tool support 120 to move closer to or away from the tool body 110 under the cooperation of the groove 1311 and the sliding block 1321, thereby achieving the effect of extending the use width of the tool 10, so that the pressing needle 140 on the side of the tool 10 can press the edge of the solder strip 20 as much as possible, effectively eliminating or correcting the warping of the solder strip 20 at the cut end.

[0060] Embodiment 2

[0061] Figure 6 This is a schematic diagram of the structure of a solder ribbon pressing tool for a solar cell according to another embodiment of the utility model. Figure 7 yes Figure 6 Enlarged diagram of the middle extension, see Figure 6 and Figure 7As shown, the tooling 10 of this embodiment includes a tooling body 110, on which a plurality of rows of pressure pins 140 are fixed, and the side of the tooling body 110 is connected to the tooling support 120 through an extension portion 130, and the tooling support 120 is fixed with a row of pressure pins 140, wherein the extension portion 130 includes a stationary part 131 fixed on the tooling body 110, and a movable part 132 fixed on the tooling support 120, the movable part 132 is movably connected to the stationary part 131, and the movable part 132 is configured to have two states of approaching and moving away from the stationary part 131, wherein the stationary part 131 is a slot 1312 set in the tooling body 110, and the movable part 132 is a movable block 1322, one end of the movable block 1322 is placed in the slot 1312, and the other end is fixed to the tooling support 120.

[0062] In this embodiment, the slot 1312 and the moving block 1322 cooperate with each other to realize the reciprocating motion of the row of pressing pins 140 on the outer side of the tool 10. Figure 7 As shown, the slot 1312 has a certain degree of freedom in the left and right directions as shown in the figure. When the moving block 1322 is close to the left side of the slot 1312, the tooling support 120 is close to the tooling body 110. When the moving block 1322 is close to the right side of the slot 1312, the tooling support 130 is away from the tooling body 110, ultimately achieving a reciprocating motion of a row of pressure pins 140 on the outside of the tooling 10.

[0063] In one example, the upper surface of the tool body 110 is flush with the upper surface of the tool support 120 , and the lower surface of the tool body 110 is flush with the lower surface of the tool support 120 .

[0064] The solar cell solder ribbon pressing tool 10 provided in this embodiment mainly enables the tool support 120 to move closer to or away from the tool body 110 under the cooperation of the slot 1312 and the moving block 1322, thereby achieving the effect of extending the use width of the tool 10, so that the pressing needle 140 on the side of the tool 10 can press the edge of the solder ribbon 20 as much as possible, effectively eliminating or correcting the warping of the solder ribbon 20 at the cut point.

[0065] Embodiment 3

[0066] The solder ribbon pressing tool 10 for solar cells provided in the above-mentioned embodiment can realize the mutual movement between the tool support 120 and the tool main body 110 by manual or other external forces. The solder ribbon pressing tool 10 for solar cells provided in this embodiment focuses on how to make the mutual movement between the tool support 120 and the tool main body 110 automatic or semi-automatic through some auxiliary means, so that the tool 10 of this embodiment has a wider range of application and application scenarios.

[0067] In this embodiment, the basic structure of the solar cell welding ribbon pressing tool 10 can be the same as the structure shown in the above-mentioned embodiment 1 or embodiment 2, and will not be repeated here. Figure 8 and Fig. 9 As shown, the tool 10 is further provided with a spring 134 and a stopper 135 used in conjunction with the spring 134. One end of the spring 134 is fixed to the tool body 140, and the other end is fixed to the moving member 132. When the spring 134 is in a compressed state, the tool support 120 is close to the tool body 110, and when the spring 134 is in an expanded state, the tool support 120 is away from the tool body 110.

[0068] In this embodiment, if Figure 8 As shown, when the spring 134 is in a compressed state, the moving member (such as the moving block 1322) is close to the tooling body 110. At this time, under the limiting effect of the stopper 135, the compressed spring 134 is kept in a stable state. Fig. 9 As shown, when it is necessary to extend the tooling 10, that is, to extend the tooling support 120, the limiting effect of the block 135 is released, and the spring 134 returns to a normal expanded state, pushing the moving block 1322 to move away from the tooling body 110, extending the usable width of the tooling 10, and allowing the pressing needle 140 on the side of the tooling 10 to press the edge of the welding strip 20 as much as possible.

[0069] In one example, reference Fig.10 and Fig.11 As shown, the tooling 10 of this embodiment can also realize the movement of the tooling support 120 through the first magnet 136 and the second magnet 137. Specifically, the first magnet 136 is set on the tooling body 110, and the second magnet 137 is set on the moving part (such as the moving block 1322). When the first magnet 136 and the second magnet 137 attract each other, the tooling support 120 approaches the tooling body 110, and when the first magnet 136 and the second magnet 137 repel each other, the tooling support 120 moves away from the tooling body 110.

[0070] Furthermore, the first magnet 136 and / or the second electromagnet 137 are electromagnets. Electromagnets generate electromagnetism by energizing, and generally a conductive winding matching its power is wound around the outside of an iron core. This coil with current flowing through it has magnetism like a magnet. Electromagnets are magnetic when energized, and the magnetism disappears after the power is turned off. The strength of the magnetism can be changed, the presence or absence of magnetism can be controlled, and the direction of the magnetic pole can also be changed. Therefore, using electromagnets as the first magnet 136 and the second magnet 137, there is no need to change the orientation of the first magnet 136 and the second magnet 137 in space. It is only necessary to change the direction of the current flowing into the electromagnet to achieve the change of the magnetic pole direction, which is more efficient and quick.

[0071] In one example, reference Fig.12As shown, the tooling 10 of this embodiment can realize the movement of the tooling support 120 through the linear motor 138. Specifically, the stator 1381 of the linear motor 138 is fixed on the tooling body 110, and the mover 1382 of the linear motor 138 is connected to the moving part (such as the moving block 1322).

[0072] The linear motor 138 is a transmission device that directly converts electrical energy into mechanical energy of linear motion without any intermediate conversion mechanism. It can be regarded as a rotary motor cut radially and unfolded into a plane. Compared with the rotary motor, the linear motor 138 has high positioning accuracy, fast response speed, and safe and reliable operation. In this embodiment, after the linear motor 138 is started, it can drive its mover 1382 to reciprocate on the stator 1381, and then drive the moving block 1322 connected to the mover 1382 to reciprocate, thereby realizing the movement of the tooling support 120.

[0073] In one example, the tool 10 of this embodiment can realize the movement of the tool support 120 through the screw transmission mechanism 139. Specifically, the screw transmission mechanism 139 is fixed on the tool body 110, and the movable nut 1392 of the screw transmission mechanism 139 is connected to the moving part (such as the moving block 1322).

[0074] The screw transmission mechanism 139 is mainly composed of a driving device (such as a motor), a screw 1391 and a movable nut 1392. The screw 1391 is the core component of the transmission mechanism, which is usually a long precision threaded rod, one or both ends of which are connected to the driving device, and the movable nut 1392 is driven by rotation to perform linear motion. The movable nut 1392 is a component that cooperates with the screw 1391, and a spiral groove matching the thread of the screw 1391 is processed inside. When the screw rotates, the movable nut 1392 is pushed by the thread and moves linearly along the axial direction of the screw 1391. In this embodiment, after the driving device is started, it can drive its screw 1391 to rotate, and then the movable nut 1392 connected to the screw 1391 moves back and forth along the screw 1391, and drives the moving block 1322 connected to the movable nut 1392 to reciprocate, thereby realizing the movement of the tooling support 120.

[0075] The solar cell solder strip pressing tool 10 provided in this embodiment realizes automatic or semi-automatic movement between the tool support 120 and the tool main body 110 by providing auxiliary means, such as providing a first magnet 136 and a second magnet 137, a linear motor 138, a screw transmission mechanism 139, etc., thereby improving the performance and applicability of the tool 10.

[0076] The basic concepts have been described above. Obviously, for those skilled in the art, the above utility model disclosure is only used as an example and does not constitute a limitation of the present application. Although not explicitly stated here, those skilled in the art may make various modifications, improvements and corrections to the present application. Such modifications, improvements and corrections are suggested in the present application, so such modifications, improvements and corrections still belong to the spirit and scope of the exemplary embodiments of the present application.

[0077] At the same time, the present application uses specific words to describe the embodiments of the present application. For example, "one embodiment", "an embodiment", and / or "some embodiments" refer to a certain feature, structure or characteristic related to at least one embodiment of the present application. Therefore, it should be emphasized and noted that "one embodiment" or "an embodiment" or "an alternative embodiment" mentioned twice or more in different positions in this specification does not necessarily refer to the same embodiment. In addition, some features, structures or characteristics in one or more embodiments of the present application can be appropriately combined.

[0078] Similarly, it should be noted that in order to simplify the description of the disclosure of this application and thus help understand one or more utility model embodiments, in the above description of the embodiments of this application, multiple features are sometimes combined into one embodiment, drawing or description thereof. However, this disclosure method does not mean that the features required by the object of this application are more than the features mentioned in the claims. In fact, the features of the embodiments are less than all the features of the single embodiment disclosed above.

[0079] In some embodiments, numbers describing the number of components and attributes are used. It should be understood that such numbers used in the description of the embodiments are modified by the modifiers "about", "approximately" or "substantially" in some examples. Unless otherwise specified, "about", "approximately" or "substantially" indicate that the numbers are allowed to vary by ±20%. Accordingly, in some embodiments, the numerical parameters used in the specification and claims are approximate values, which may change according to the required features of individual embodiments. In some embodiments, the numerical parameters should take into account the specified significant digits and adopt the general method of retaining digits. Although the numerical domains and parameters used to confirm the breadth of their range in some embodiments of the present application are approximate values, in specific embodiments, the setting of such numerical values ​​is as accurate as possible within the feasible range.

[0080] Although the present application has been described with reference to the current specific embodiments, ordinary technicians in this technical field should recognize that the above embodiments are only used to illustrate the present application, and various equivalent changes or substitutions may be made without departing from the spirit of the present application. Therefore, as long as the changes and modifications to the above embodiments are within the essential spirit of the present application, they will fall within the scope of the claims of the present application.

Claims

1. A solder ribbon pressing tool for solar cells, comprising a tool body, on which a plurality of rows of pressing pins are fixed, characterized in that: The side of the tool body is connected to the tool support through an extension part, and a row of pressure pins is fixed on the tool support, wherein the extension part includes: a stationary part fixed on the tool body, and a moving part fixed on the tool support; The moving part is movably connected to the stationary part, and the moving part is configured to have two states of approaching and moving away from the stationary part.

2. The solder strip pressing tool for solar cells according to claim 1, characterized in that: The stationary part is a groove arranged on the tool body, and the movable part is a sliding block fixed to the tool support body, and the sliding block is placed in the groove.

3. The soldering ribbon pressing tool for solar cells according to claim 2, characterized in that: The sliding block is placed on a top fixing limit block in the groove.

4. The solder strip pressing tool for solar cells according to claim 1, characterized in that: The stationary part is a slot arranged in the tooling body, and the movable part is a movable block. One end of the movable block is placed in the slot, and the other end is fixed to the tooling support.

5. The soldering ribbon pressing tool for solar cells according to any one of claims 2 to 4, characterized in that: A spring and a stopper used in conjunction with the spring are provided, one end of the spring is fixed to the tooling body, and the other end is fixed to the moving part; when the spring is in a compressed state, the tooling support is close to the tooling body, and when the spring is in an expanded state, the tooling support is away from the tooling body.

6. The soldering ribbon pressing tool for solar cells according to any one of claims 2 to 4, characterized in that: A first magnet and a second magnet are provided, wherein the first magnet is provided on the tooling body, and the second magnet is provided on the moving part; when the first magnet and the second magnet attract each other, the tooling support body approaches the tooling body, and when the first magnet and the second magnet repel each other, the tooling support body moves away from the tooling body.

7. The solder strip pressing tool for solar cells according to claim 6, characterized in that: The first magnet and / or the second electromagnet are electromagnets.

8. The solder ribbon pressing tool for solar cells according to claim 1, characterized in that: The upper surface of the tooling body is flush with the upper surface of the tooling support, and the lower surface of the tooling body is flush with the lower surface of the tooling support.

9. The solder ribbon pressing tool for solar cells according to claim 1, characterized in that: It also includes a linear motor, the stator of the linear motor is fixed on the tooling body, and the mover of the linear motor is connected to the moving part.

10. The soldering ribbon pressing tool for solar cells according to claim 1, characterized in that: It also includes a screw transmission mechanism, which is fixed on the tooling body, and a movable nut of the screw transmission mechanism is connected to the moving part.

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