CN220456439U - Net pressing device - Google Patents

Abstract

The utility model discloses a net pressing device. The screen pressing device comprises a screen pressing substrate and pressing needles, wherein one surface of the screen pressing substrate is connected with a plurality of the pressing needles, an interval is reserved between every two adjacent pressing needles, the end face, far away from the screen pressing substrate, of each pressing needle is provided with a glue avoiding groove, the pressing needles are used for pressing welding wires and battery pieces, and the glue avoiding grooves are used for accommodating glue points on the welding wires. When using, press the net base plate to press on battery piece and a plurality of welding wires, the terminal surface of the pressure portion of holding of pressure needle is used for stepping down the gluey point through keeping away gluey groove, and gluey point on the welding wire holds in keeping away gluey inslot, when taking to take the net device of pressing, presses the needle and can not influence gluey point, keeps away gluey groove and holds gluey point on the welding wire after, keeps away gluey groove's notch edge and presses on the welding wire, carries out the point location to welding wire and battery piece. The net pressing device can be perfectly matched with an adhesive welding strip process, so that the phenomenon that glue is rubbed when a net is pressed and a needle is pressed is avoided, and the manufactured battery string product is completely qualified.

Description

Net pressing device

Technical Field

The utility model relates to the technical field of photovoltaics, in particular to a net pressing device.

Background

In the photovoltaic field, a plurality of battery pieces are connected into strings through welding wires by utilizing infrared welding, and the infrared welding is not suitable for the battery pieces of thin slices, low temperature and low silver types due to higher welding temperature, and the battery pieces are generally connected by adopting adhesive welding strips. The adhesive welding strip process has two kinds, one is UV curing and the other is baking and thermosetting at a certain temperature. Specifically, after glue is printed on two sides of the battery piece, the welding wire is placed in the battery piece, the welding wire is pressed by the front side of the battery piece through the pressing net, the glue is precisely attached to the welding wire, and the pressing net and the pressing needle are needed to avoid the glue due to the fact that the glue is arranged on the battery piece. The net pressing in the traditional technology is nondirectional and has no glue avoiding design, the process requirement of adhesive welding strips cannot be met, in addition, the phenomenon that glue is rubbed by the traditional net pressing needle can occur, and the complete qualified battery string cannot be made.

Disclosure of Invention

Based on this, it is necessary to provide a net pressing device. The net pressing device can be perfectly matched with an adhesive welding strip process, so that the phenomenon that glue is rubbed when a net is pressed and a needle is pressed is avoided, and the manufactured battery string product is completely qualified.

An embodiment of the application provides a net pressing device.

The utility model provides a press net device, includes presses net base plate and pressure needle, press net base plate's one of them surface to be connected with a plurality of press the needle, adjacent press and have the interval between the needle, press the needle to keep away from press net base plate's terminal surface has keeps away gluey groove, press the needle to be used for pressing to hold welding wire and battery piece, keep away gluey groove and be used for holding the gluey point on the welding wire.

In some embodiments, the pressing needle comprises a connecting part and a pressing part, the connecting part is connected with the pressing net substrate, the end surface of the pressing part far away from the pressing net substrate is provided with the glue avoiding groove, and the pressing part is used for pressing the welding wire and the battery piece.

In some embodiments, a plurality of the press pins are distributed in a matrix on the press mesh substrate.

In some embodiments, the plurality of press pins are distributed in a plurality of rows and columns on the press mesh substrate.

In some embodiments, the mesh substrate has relief channels between adjacent rows and/or between adjacent columns.

In some embodiments, the press mesh substrate is provided with a plurality of yielding channels between adjacent rows;

and/or, the abdication channel is a strip-shaped channel.

In some embodiments, a yielding notch is arranged at the notch edge of the glue avoiding groove, and the yielding notch is used for yielding the welding wire.

In some embodiments, the opposite notch edges of the glue avoidance groove are respectively provided with the yielding notches.

In some embodiments, the press pin is detachably connected to the press wire substrate.

In some embodiments, the connecting portion has a cylindrical structure, and the holding portion has a square cylindrical structure.

In some of these embodiments, the outer diameter of the connecting portion is less than the length or width of the holding portion.

The net pressing device can be perfectly matched with an adhesive welding strip process, so that the phenomenon that glue is rubbed when a net pressing needle is pressed is avoided, and the manufactured battery string product is completely qualified. Specifically, in this application, when the net device is pressed in the use, press the net base plate to press on battery piece and a plurality of welding wires, wherein press the needle terminal surface and be used for covering the gluey point through keeping away gluey groove, glue the point on the welding wire and hold in keeping away gluey inslot, press the needle and can not influence gluey point, when taking the net device of taking, press the needle can not adhere gluey point. After the glue avoiding groove accommodates the glue point on the welding wire, the edge of the notch of the glue avoiding groove is pressed on the welding wire to carry out point location on the welding wire and the battery piece.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort to a person skilled in the art.

For a more complete understanding of the present application and the advantages thereof, reference is now made to the following descriptions taken in conjunction with the accompanying drawings. Wherein like reference numerals refer to like parts throughout the following description.

FIG. 1 is a schematic diagram of a net pressing apparatus according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a needle of a net pressing device according to an embodiment of the present utility model;

fig. 3 is a schematic diagram illustrating cooperation of the wire pressing device, the welding wire and the battery piece according to an embodiment of the utility model.

Description of the reference numerals

10. A net pressing device; 100. pressing a net substrate; 101. a yielding channel; 200. pressing the needle; 210. a connection part; 220. a pressing part; 221. a glue avoiding groove; 222. a relief notch; 20. a welding wire; 30. a battery sheet; 40. and (5) glue dispensing.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present utility model, the meaning of a number is one or more, the meaning of a number is two or more, and greater than, less than, exceeding, etc. are understood to exclude the present number, and the meaning of a number is understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The embodiment of the application provides a net pressing device 10 to solve the net pressing in the prior art and nondirectional and have no design of avoiding glue, can not satisfy the problem of adhesive welding strip technology demand, and the net pressing needle can appear rubbing glue phenomenon, leads to unable problem of making complete qualified battery cluster. The screen printing device 10 will be described below with reference to the drawings.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a net pressing device 10 according to an embodiment of the present application. The net pressing device 10 of the present application can be used for the purpose of connecting a plurality of battery pieces 30 into a battery string by the welding wire 20.

For a more clear description of the construction of the screen pack 10, the screen pack 10 will be described below with reference to the accompanying drawings.

For example, referring to fig. 1, a screen pressing apparatus 10 includes a screen pressing substrate 100 and a pressing needle 200. One surface of the screen substrate 100 is connected with a plurality of press pins 200. There is a space between adjacent press pins 200. The end surface of the press needle 200 far away from the press net substrate 100 is provided with a glue avoiding groove 221. The pressing needle 200 is used for pressing the welding wire 20 and the battery piece 30. Referring to fig. 3, fig. 3 is a schematic diagram illustrating a mesh pressing device 10 according to an embodiment of the present utility model, a welding wire 20 and a battery piece 30, and a glue avoiding groove 221 for accommodating a glue spot 40 on the welding wire 20.

In some of these embodiments, the crimp 200 includes a connection portion 210 and a crimp 220. The connection portion 210 is connected to the mesh substrate 100. The end surface of the holding part 220 far away from the screen substrate 100 is provided with a glue avoiding groove 221. The pressing part 220 is used for pressing the welding wire 20 and the battery piece 30.

In some of these embodiments, the plurality of press pins 200 are distributed in a matrix on the press mesh substrate 100. The plurality of pressing pins 200 distributed in a matrix form enables the pressing pins 200 to have directivity, so that the welding wire 20 and the battery piece 30 can be pressed conveniently.

In some embodiments, referring to fig. 1, a plurality of pressing pins 200 are disposed in a plurality of rows and columns on the pressing substrate 100. The plurality of pins 200 in a plurality of rows and columns are convenient for matching a plurality of juxtaposed wires 20, wherein adjacent row spacing may be equal to the spacing between adjacent wires 20 and adjacent column spacing is equal to the distance between adjacent glue sites 40 on wires 20. That is, in actual use, the positions of the plurality of glue sites 40 on the plurality of welding wires 20 correspond to the positions of the plurality of press pins 200 on the press wire substrate 100 one by one. It should be understood that the number of rows of the plurality of pins 200 may be greater than the number of wires 20, and that the number of columns of the plurality of pins 200 may be greater than the number of glue sites 40 on the wires 20.

In some embodiments, the plurality of pressing pins 200 may be arranged in other shapes on the pressing net substrate 100, and may specifically be configured according to the positions of the battery pieces 30 and the glue sites 40 on the welding wire 20. Similarly, the positions of the battery plate 30 and the glue sites 40 on the welding wire 20 may be set according to the distribution of the plurality of press pins 200 on the press mesh substrate 100.

In some embodiments, referring to fig. 1, the mesh substrate 100 has relief channels 101 between adjacent rows and/or between adjacent columns. The relief channel 101 is arranged on the screen pressing substrate 100, so that the material of the screen pressing substrate 100 can be saved, and the cost can be reduced.

In some embodiments, the mesh substrate 100 has a plurality of relief channels 101 between adjacent rows.

In some embodiments, referring to fig. 1, the yielding channel 101 is an elongated channel.

In some embodiments, referring to fig. 2, fig. 2 is a schematic diagram of a pressing needle 200 of a net pressing device 10 according to an embodiment of the utility model, a yielding notch 222 is disposed at a notch edge of a glue avoiding groove 221, and the yielding notch 222 is used for yielding a welding wire 20. The setting of the relief notch 222 can realize the fixation of the press needle 200 to the welding wire 20, in addition, because the welding wire 20 is accommodated in the relief notch 222, the end face of the press holding part 220 of the press needle 200 far away from the press net substrate 100 can be abutted on the battery piece 30, and the use stability of the press net device 10 is improved.

In some embodiments, the opposite notch edges of the glue avoidance groove 221 are respectively provided with a yielding notch 222. The opposite notch edges refer to two notch edges at opposite positions, for example, when the pressing part 220 is in a square columnar structure, the notch of the glue avoiding groove 221 is square, and two opposite notch edges of the glue avoiding groove 221 are provided with yielding notches 222; preferably, the four opposite notch edges of the glue avoidance groove 221 are provided with yielding notches 222.

In some embodiments, the depth of the relief notch 222 may be equal to or slightly greater than the outer diameter of the welding wire 20, as shown in FIG. 3, to ensure that the welding wire 20 is fully received within the relief notch 222.

In some of these embodiments, the press pin 200 is removably connected to the press wire substrate 100. The arrangement of the detachable connection of the press needle 200 and the press wire substrate 100 can facilitate the maintenance, the disassembly and the replacement of the press needle 200.

In some embodiments, referring to fig. 2, the connecting portion 210 has a cylindrical structure, and the holding portion 220 has a square cylindrical structure. The connection portion 210 of the cylindrical structure is convenient for installation connection with the screen substrate 100.

In some of these embodiments, the outer diameter of the connection portion 210 is less than the length or width of the hold-down portion 220. Preferably, the pressing part 220 has a square column structure. The outer diameter of the connection portion 210 is smaller than the side length of the pressing portion 220.

In some embodiments, as shown in fig. 3, the overall size of the glue groove 221 is slightly larger than the size of the glue sites 40, so that the glue sites 40 can be completely accommodated in the glue groove 221. The overall size of the glue avoiding groove 221 can be set according to actual needs.

In some embodiments, the material of the screen substrate 100 may be selected according to actual needs.

In some of these embodiments, referring to fig. 1, the screen substrate 100 is generally a flat, plate-like structure.

Referring to fig. 3, fig. 3 shows the correspondence of the screen pressing device 10, the welding wire 20, the battery piece 30 and the glue point 40 in the battery piece string, after glue is printed on two sides of the battery piece 30, the position of the battery piece 30 is positioned by the CCD, and the wire drawing mechanism pulls out the welding wire 20 and places the welding wire on the battery piece 30, so as to ensure good contact between the welding wire 20 and the battery piece 30, and control the screen pressing device 10 to press on the battery piece 30, so as to form the matching structure of fig. 3. In fig. 3, the glue sites 40 are located in the corresponding glue avoiding grooves 221, and the yielding notches 222 at the edges of the notches of the glue avoiding grooves 221 are covered on the welding wire 20 to position the welding wire 20.

In summary, the above-mentioned net pressing device 10 can perfectly match the adhesive welding process, so as to avoid the glue rubbing phenomenon of the net pressing needle 200, and realize the complete qualification of the prepared battery string product. Specifically, in this application, when the net pressing device 10 is used, the net pressing substrate 100 is pressed on the battery piece 30 and the plurality of welding wires 20, wherein the end face of the pressing portion 220 of the pressing needle 200 is used for covering the glue point 40 through the glue avoiding groove 221, as shown in fig. 3, the glue point 40 on the welding wire 20 is contained in the glue avoiding groove 221, the pressing needle 200 cannot affect the glue point 40, when the net pressing device 10 is taken, the pressing needle 200 cannot adhere to the glue point 40, after the glue avoiding groove 221 contains the glue point 40 on the welding wire 20, the notch edge of the glue avoiding groove 221 is pressed on the welding wire 20, and the welding wire 20 and the battery piece 30 are in point position.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The utility model provides a net pressing device (10), its characterized in that includes net pressing substrate (100) and pressure needle (200), one of them surface of net pressing substrate (100) is connected with a plurality of press needle (200), adjacent press needle (200) between have the interval, press needle (200) keep away from the terminal surface of net pressing substrate (100) has keeps away gluey groove (221), press needle (200) keep away from the terminal surface of net pressing substrate (100) is used for holding welding wire (20) and battery piece (30), keep away gluey groove (221) are used for holding gluey point (40) on welding wire (20).

2. The screen pressing device (10) according to claim 1, wherein the pressing needle (200) comprises a connecting portion (210) and a pressing portion (220), the connecting portion (210) is connected to the screen pressing substrate (100), the end surface of the pressing portion (220) away from the screen pressing substrate (100) is provided with the glue avoiding groove (221), and the pressing portion (220) is used for pressing the welding wire (20) and the battery piece (30).

3. The screen pressing device (10) according to claim 2, wherein the connecting portion (210) has a cylindrical structure, and the pressing portion (220) has a square cylindrical structure.

4. The screen pressing device (10) according to claim 1, wherein a plurality of the press needles (200) are distributed in a matrix on the screen pressing substrate (100).

5. The screen pressing apparatus (10) of claim 4, wherein a plurality of said press pins (200) are distributed in a plurality of rows and columns on said screen pressing substrate (100).

6. The screen device (10) according to claim 5, characterized in that there are relief channels (101) on the screen substrate (100) between adjacent rows and/or between adjacent columns.

7. The screen pressing device (10) according to claim 6, wherein a plurality of the relief channels (101) are provided on the screen pressing substrate (100) between adjacent rows;

and/or, the yielding channel (101) is an elongated channel.

8. The wire-pressing device (10) according to any one of claims 1 to 7, wherein a yielding gap (222) is provided at a notch edge of the glue-avoiding groove (221), and the yielding gap (222) is used for yielding a welding wire (20).

9. The screen pressing device (10) according to claim 8, wherein the opposite notch edges of the glue avoidance groove (221) are respectively provided with the yielding notches (222).

10. The screen pressing device (10) according to any one of claims 1 to 7, 9, wherein the pressing needle (200) is detachably connected to the screen pressing substrate (100).