Laser scribing mechanism with multi-wafer function and scribing machine

Abstract

The utility model discloses a laser scribing mechanism with a multi-wafer function and a scribing machine. The laser scribing mechanism comprises a plurality of laser scribing groups which are sequentially arranged on the side edge of a battery piece feeding and conveying mechanism. And the laser heads in the plurality of laser scribing groups are respectively on the same straight line with the corresponding fragmentation lines on the battery piece, and are respectively used for sequentially carrying out laser slotting and fragmentation operation on the battery piece along the extension direction of the plurality of fragmentation lines which are arranged in parallel from the outer side to the inner side on the battery piece. According to the utility model, the plurality of laser scribing groups are matched with one another, so that the multi-slice operation of the battery piece is effectively realized.

Description

Technical Field

[0001] The utility model relates to the technical field of dicing machines, and in particular to a laser dicing mechanism and a dicing machine with multiple slicing functions. Background Art

[0002] Before the solar cells are welded in series, they need to be cut into small pieces (the number of small pieces is determined by the needs of the solar cell factory) and then welded. As the size of the whole cell becomes larger and larger, the number of small pieces required to be cut will increase. Currently, all domestic equipment manufacturers can generally only provide full-piece cutting into 2 or 3 pieces. As the size of the whole cell becomes larger and larger, the whole cell needs to be cut into multiple pieces. The existing equipment is difficult to meet this requirement. Therefore, a laser dicing mechanism and a dicing machine with a multi-slicing function are provided to solve the above problem. Utility Model Content

[0003] One of the purposes of the utility model is to provide a laser scribing mechanism and a scribing machine with a multi-slicing function, so as to solve the problem that the existing scribing machine cannot cut a large battery cell into multiple slices.

[0004] The utility model provides a laser scribing mechanism and a scribing machine with multiple slicing functions through the following technical solutions:

[0005] The utility model discloses a laser scribing mechanism with multiple slicing functions, comprising a plurality of laser scribing groups sequentially arranged on the side of a battery cell feeding and conveying mechanism; the laser heads in the plurality of laser scribing groups are respectively in the same straight line with the corresponding slicing lines on the battery cell, and the laser grooving and slicing operations are sequentially performed on the battery cell along the extension direction of the plurality of slicing lines parallel to the outer side to the inner side of the battery cell.

[0006] In one embodiment, the laser scribing group includes one laser scribing device or two laser scribing devices, and the laser heads of the laser scribing devices are in the same straight line as the corresponding slicing lines on the battery cell.

[0007] In one embodiment, a laser scribing mechanism with a multi-slicing function of the utility model includes a first laser scribing group, a second laser scribing group and a third laser scribing group which are sequentially arranged on the side of the battery cell feeding and conveying mechanism.

[0008] In one embodiment, the first laser scribing group includes a first laser scribing device and a second laser scribing device symmetrically arranged, and the laser heads of the two laser scribing devices are respectively in the same line with the first slicing line and the fifth slicing line on the battery cell; the second laser scribing group includes a third laser scribing device and a fourth laser scribing device symmetrically arranged, and the two are respectively arranged at the relatively rear ends of the first laser scribing group, and the laser heads of the third laser scribing device and the fourth laser scribing device are respectively in the same line with the second slicing line and the fourth slicing line on the battery cell; the third laser scribing group includes a fifth laser scribing device, which is arranged at the relatively rear end of the second laser scribing group, and the laser head of the fifth laser scribing device is in the same line with the third slicing line on the battery cell.

[0009] In one embodiment, the laser scribing device includes a support assembly fixedly arranged on the side of the battery cell loading and conveying mechanism; an adjustment assembly movably arranged on the support assembly; a grooving laser assembly and a slicing laser assembly respectively arranged on the adjustment assembly; and a cooling water nozzle assembly fixedly arranged on the support assembly and facing the corresponding slicing line on the battery cell.

[0010] In one embodiment, the support assembly includes a fixing rod fixedly disposed on a side of a cell loading and conveying mechanism; and a support plate horizontally fixedly disposed on the fixing rod; and the fixing rod and the support plate are both made of marble.

[0011] In one embodiment, the adjustment assembly includes a mounting seat, which is fixedly mounted on the support plate; two adjustment micrometers are respectively arranged on the mounting seat, and are respectively connected to the grooving laser assembly and the splitting laser assembly in a transmission manner.

[0012] In one embodiment, the grooving laser assembly includes a first sliding seat, which is movably arranged on the corresponding adjusting micrometer; and a grooving laser body fixedly arranged on the first sliding seat, which is perpendicular to the horizontal plane of the supporting assembly.

[0013] In one embodiment, the split laser assembly includes a second sliding seat, which is movably arranged on the corresponding adjustment micrometer; and a split laser body fixedly arranged on the second sliding seat, which is perpendicular to the horizontal plane of the support assembly.

[0014] The utility model provides a dicing machine with multiple slicing functions, comprising the laser slicing mechanism described in any one of the above items;

[0015] It also includes a battery cell feeding and conveying mechanism, a battery cell whole-piece visual inspection mechanism, a variable-pitch manipulator transfer mechanism, a drying and conveying mechanism, a slice visual inspection mechanism, and a battery cell unloading and conveying mechanism;

[0016] Among them, the battery cell loading and conveying mechanism performs conveying operations on the battery cells; the whole-cell visual inspection mechanism is arranged on the side of the battery cell loading and conveying mechanism, and performs visual inspection operations on the battery cells; the laser scribing mechanism is arranged at the relatively rear end of the whole-cell visual inspection mechanism, and performs multiple-slice operations on the battery cells; the variable-pitch manipulator transfer mechanism is arranged at the relatively rear end of the laser scribing mechanism, and changes the distance of multiple slices and transfers them to the drying and conveying mechanism; the drying and conveying mechanism performs drying operations on the slices arranged thereon; the slice visual inspection mechanism is arranged on the side of the drying and conveying mechanism, and performs visual inspection operations on the dried slices; the battery cell unloading and conveying mechanism transfers the slices to the next workstation.

[0017] Compared with the prior art, the laser scribing mechanism and scribing machine with multiple slicing functions of the utility model have the following beneficial effects:

[0018] The utility model discloses a laser scribing mechanism and a scribing machine with a multi-slicing function. A plurality of laser scribing groups are sequentially arranged on the side of a battery cell feeding and conveying mechanism. Each laser scribing group comprises at least one laser scribing device. The laser heads of the plurality of laser scribing devices are respectively aligned with the corresponding slicing lines on the battery cell positive film, and then the laser grooving and slicing operations are sequentially performed on the battery cells, thereby effectively solving the problem that the existing scribing machine cannot cut a large battery cell into multiple slices. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a three-dimensional structural schematic diagram of a laser scribing mechanism with multiple slicing functions of the utility model;

[0021] Figure 2 yes Figure 1 The schematic diagram of the top structure of a laser scribing mechanism with multiple slicing functions of the utility model is shown, comprising a first laser scribing device;

[0022] Figure 3 yes Figure 2 A schematic structural diagram of a first laser scribing device is shown;

[0023] Figure 4 yes Figure 3An exploded structural schematic diagram of a first laser scribing device is shown;

[0024] Figure 5 yes Figure 1 The utility model is a schematic diagram of a laser scribing mechanism with multiple slicing functions for slicing a battery sheet;

[0025] Figure 6 The utility model is a three-dimensional structural schematic diagram of a dicing machine with multiple slicing functions.

[0026] In the figure, the following are marked: 100, laser scribing mechanism; 10, first laser scribing group; 11, first laser scribing device; 111, support assembly; 1111, fixing rod; 11111, fixing hole; 1112, support plate; 112, adjustment assembly; 1121, mounting seat; 1122, adjustment micrometer; 113, grooving laser assembly; 1131, first sliding seat; 1132, grooving laser body; 114, splitting laser assembly; 114 1, second sliding seat; 1142, split laser body; 115, cooling water nozzle assembly; 12, second laser scribing device; 20, second laser scribing group; 21, third laser scribing device; 22, fourth laser scribing device; 30, third laser scribing group; 31, fifth laser scribing device; 40, battery cell; 41, first slicing line; 42, second slicing line; 43, third slicing line; 44, fourth slicing line; 45, fifth slicing line. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The components of the embodiment of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-Figure 5As shown, in this embodiment, the utility model is a laser scribing mechanism 100 with a multi-slicing function, which mainly includes a first laser scribing group 10, a second laser scribing group 20 and a third laser scribing group 30 which are sequentially arranged on the side of the cell feeding and conveying mechanism; the cell 40 passes through the first laser scribing group 10, the second laser scribing group 20 and the third laser scribing group 30 in sequence through the transmission action of the cell feeding and conveying mechanism, and when the cell 40 moves to the bottom of the first laser scribing group 10, the first laser scribing group 10 simultaneously excites the cell 40 along the first slicing line 41 and the fifth slicing line 45. Optical grooving and splitting operation; when the battery cell 40 moves to the bottom of the second laser scribing group 20, the second laser scribing group 20 performs laser grooving and splitting operations on the battery cell 40 along the second splitting line 42 and the fourth splitting line 44 at the same time; when the battery cell 40 moves to the bottom of the third laser scribing group 30, the third laser scribing group 30 performs laser grooving and splitting operations on the battery cell 40 along the third splitting line 43, thereby cutting the entire battery cell 40 into 6 equal slices; the first splitting line 41, the second splitting line 42, the third splitting line 43, the fourth splitting line 44 and the fifth splitting line 45 are arranged in parallel in sequence. In other embodiments, the number of laser scribing groups can also be two, four or other majority, and the number is set according to actual needs. Multiple laser scribing groups are sequentially arranged on the side of the battery cell loading and conveying mechanism, and they respectively perform laser grooving and splitting operations on the battery cell 40 in sequence along the extension direction of multiple slicing lines arranged parallel to the outer side to the inner side of the battery cell 40, thereby cutting the entire battery cell 40 into 4 slices, 5 slices, 7 slices or other corresponding multiple slices.

[0030] See also Figure 1 , Figure 2 and Figure 5As shown, in this embodiment, the first laser scribing group 10 includes a symmetrically arranged first laser scribing device 11 and a second laser scribing device 12, both of which are respectively arranged on the sides of the battery cell feeding and conveying mechanism, so that the battery cell 40 can move through the middle of the first laser scribing device 11 and the second laser scribing device 12 through the conveying action of the battery cell feeding and conveying mechanism, the laser head of the first laser scribing device 11 and the first slicing line 41 are in the same straight line, and the laser head of the second laser scribing device 12 and the fifth slicing line 45 are in the same straight line; the second laser scribing group 20 includes a symmetrically arranged third laser scribing device 21 and a fourth laser scribing device 22, both of which are respectively arranged on the sides of the battery cell feeding and conveying mechanism. The cell sheet loading and conveying mechanism is arranged on the side and at the relatively rear end of the first laser scribing group 10, so that the cell sheet 40 can move through the middle of the third laser scribing device 21 and the fourth laser scribing device 22 through the conveying action of the cell sheet loading and conveying mechanism, the laser head of the third laser scribing device 21 is in the same straight line with the second slicing line 42, and the laser head of the fourth laser scribing device 22 is in the same straight line with the fourth slicing line 44; the third laser scribing group 30 only includes the fifth laser scribing device 31, which is arranged on the side of the cell sheet loading and conveying mechanism and at the relatively rear end of the second laser scribing group 20, and the laser head of the fifth laser scribing device 31 is in the same straight line with the third slicing line 43. In some embodiments, the third laser scribing group 30 may also include two laser scribing devices, which are respectively arranged on the side of the battery cell loading and conveying mechanism and at the relatively rear end of the second laser scribing group 20, so that the battery cell 40 can move through the middle of the two laser scribing devices through the conveying action of the battery cell loading and conveying mechanism, and the laser heads of the two laser scribing devices are respectively on the same straight line with the corresponding slicing lines.

[0031] See also Figure 1-Figure 5As shown, in this embodiment, the first laser scribing device 11 includes a support component 111, an adjustment component 112, a grooving laser component 113, a splitting laser component 114 and a cooling water nozzle component 115; the support component 111 is fixedly arranged on the side of the battery cell feeding and conveying mechanism; the adjustment component 112 is movably arranged on the support component 111; the grooving laser component 113 and the splitting laser component 114 are respectively arranged on the adjustment component 112, and the grooving laser component 113 and the splitting laser component 114 can be adjusted respectively by the adjustment component 112 114 is horizontally displaced, and the grooving laser assembly 113 and the splitting laser assembly 114 respectively groove and split the battery cell 40 along the direction of the first splitting line 41; the cooling water nozzle assembly 115 is fixedly arranged on the support assembly 111 and faces the first splitting line 41 on the battery cell 40, so as to cooperate with the splitting laser assembly 114 to spray and cool the battery cell naturally by the temperature difference; specifically, the cooling water nozzle assembly 115 adopts the existing technology, so its specific structure and working process are not described here, as long as it meets the requirements of this application. In this embodiment, the second laser scribing device 12, the third laser scribing device 13, the fourth laser scribing device 14 and the fifth laser scribing device 15 are respectively the same in structure as the first laser scribing device 11, so the specific structures of the four are not described here.

[0032] See also Figure 3 and Figure 4 As shown, in this embodiment, the support assembly 111 includes a fixing rod 1111 and a support plate 1112; the fixing rod 1111 is fixedly arranged on the side of the battery cell feeding and conveying mechanism; the support plate 1112 is horizontally fixedly arranged on the fixing rod 1111; preferably, the fixing rod 1111 and the support plate 1112 are both made of marble. Specifically, the fixing rod 1111 is penetrated with a plurality of fixing holes 11111, and is fixedly arranged on the side of the battery cell feeding and conveying mechanism through the plurality of fixing holes 11111.

[0033] See also Figure 3-Figure 5As shown, in this embodiment, the adjustment assembly 112 includes a mounting seat 1121 and two adjustment micrometers 1122; the mounting seat 1121 is fixedly arranged on the support plate 1112; the two adjustment micrometers 1122 are respectively arranged on the mounting seat 1121 and are respectively connected to the grooving laser assembly 113 and the splitting laser assembly 114 in a transmission manner, and the lateral displacement of the grooving laser assembly 113 and the splitting laser assembly 114 can be adjusted respectively by adjusting the corresponding adjustment micrometers 1122. Specifically, the grooving laser assembly 113 includes a first sliding seat 1131 and a grooving laser body 1132, and the first sliding seat 1131 is movably arranged on the corresponding adjustment micrometer 1122; the grooving laser body 1132 is fixedly arranged on the first sliding seat 1131 and is arranged vertically to the horizontal plane of the support assembly 111, so as to ensure that it is in the same straight line as the first splitting line 41 on the battery cell 40 transmitted from the battery cell feeding transmission mechanism. Specifically, the split laser assembly 114 includes a second sliding seat 1141 and a split laser body 1142, the second sliding seat 1141 is movably arranged on the corresponding adjustment micrometer 1122; the split laser body 1142 is fixedly arranged on the second sliding seat 1141 and is arranged vertically to the horizontal plane of the support assembly 111, so as to ensure that it is in the same straight line as the first splitting line 41 on the battery cell 40 transmitted from the battery cell feeding transmission mechanism. In this embodiment, the grooving laser body 1132 and the split laser body 1142 adopt the existing technology, so their specific structure and working process are not described here, as long as they meet the requirements of this application.

[0034] See also Figure 6 As shown, the utility model is a dicing machine with multiple dicing functions, comprising any one of the above-mentioned laser dicing mechanisms 100;

[0035] It also includes a battery cell feeding and conveying mechanism, a battery cell whole-piece visual inspection mechanism, a variable-pitch manipulator transfer mechanism, a drying and conveying mechanism, a slice visual inspection mechanism, and a battery cell unloading and conveying mechanism;

[0036] Among them, the battery cell loading and conveying mechanism performs a conveying operation on the battery cell 40; the whole-cell visual inspection mechanism is arranged on the side of the battery cell loading and conveying mechanism, and performs a visual inspection operation on the battery cell 40; the laser scribing mechanism 100 is arranged on the side of the battery cell loading and conveying mechanism and at the relatively rear end of the whole-cell visual inspection mechanism, and performs a multi-slice operation on the battery cell 40; the variable-distance manipulator transfer mechanism is arranged at the relatively rear end of the laser scribing mechanism 100, and transfers multiple slices to the drying and conveying mechanism with variable distances; the drying and conveying mechanism performs a drying operation on the slices arranged thereon; the slice visual inspection mechanism is arranged on the side of the drying and conveying mechanism, and performs a visual inspection operation on the dried slices; the battery cell unloading and conveying mechanism transfers the slices to the next workstation.

[0037] It should be noted that the specific working process of the laser scribing mechanism and scribing machine with multi-slicing functions of the utility model is as follows: when the battery cell 40 is transmitted to the bottom of the first laser scribing device 11 and the second laser scribing device 12, the first laser scribing device 11 and the second laser scribing device 12 respectively perform the slicing operation on the battery cell 40 synchronously along the first slicing line 41 and the fifth slicing line 45; when the battery cell 40 is transmitted to the bottom of the third laser scribing device 21 and the fourth laser scribing device 22, the third laser scribing device 21 and the fourth laser scribing device 22 respectively perform the slicing operation on the battery cell 40 synchronously along the second slicing line 42 and the fourth slicing line 44; when the battery cell 40 is transmitted to the bottom of the fifth laser scribing device 31, the fifth laser scribing device 31 performs the slicing operation on the battery cell 40 along the third slicing line 43, thereby completing the six-slicing operation of the battery cell 40.

[0038] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0039] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A laser scribing mechanism with multi-slicing function, characterized in that: It includes multiple laser scribing groups arranged in sequence on the side of the battery cell loading and conveying mechanism; the laser heads in the multiple laser scribing groups are respectively in the same straight line with the corresponding slicing lines on the battery cell, and they perform laser grooving and slicing operations on the battery cell in sequence along the extension direction of the multiple slicing lines arranged parallel to the outside to the inside of the battery cell.

2. The laser scribing mechanism with multi-slicing function according to claim 1, characterized in that: The laser scribing group includes one laser scribing device or two laser scribing devices, and the laser heads of the laser scribing devices are on the same straight line as the corresponding slicing lines on the battery cell.

3. The laser scribing mechanism with multi-slicing function according to claim 1, characterized in that: It comprises a first laser scribing group, a second laser scribing group and a third laser scribing group which are sequentially arranged on the side of the battery sheet feeding and conveying mechanism.

4. The laser scribing mechanism with multi-slicing function according to claim 3, characterized in that: The first laser scribing group includes a first laser scribing device and a second laser scribing device which are symmetrically arranged, and the laser heads of the two laser scribing devices are respectively in the same straight line with the first slicing line and the fifth slicing line on the battery cell; the second laser scribing group includes a third laser scribing device and a fourth laser scribing device which are symmetrically arranged, and the two are respectively arranged at the relatively rear ends of the first laser scribing group, and the laser heads of the third laser scribing device and the fourth laser scribing device are respectively in the same straight line with the second slicing line and the fourth slicing line on the battery cell; the third laser scribing group includes a fifth laser scribing device which is arranged at the relatively rear end of the second laser scribing group, and the laser head of the fifth laser scribing device is in the same straight line with the third slicing line on the battery cell.

5. The laser scribing mechanism with multi-slicing function according to claim 2, characterized in that: The laser scribing device includes a support assembly fixedly arranged on the side of the battery cell loading and conveying mechanism; an adjustment assembly movably arranged on the support assembly; a grooving laser assembly and a slicing laser assembly respectively arranged on the adjustment assembly; and a cooling water nozzle assembly fixedly arranged on the support assembly and facing the corresponding slicing line on the battery cell.

6. The laser scribing mechanism with multi-slicing function according to claim 5, characterized in that: The support assembly includes a fixing rod fixedly arranged on the side of the battery cell feeding and conveying mechanism; a support plate horizontally fixedly arranged on the fixing rod; the fixing rod and the support plate are both made of marble.

7. The laser scribing mechanism with multi-slicing function according to claim 6, characterized in that: The adjustment component comprises a mounting seat, which is fixedly arranged on the support plate; two adjustment micrometers are respectively arranged on the mounting seat, and the two are respectively connected to the grooving laser component and the splitting laser component in transmission.

8. The laser scribing mechanism with multi-slicing function according to claim 7, characterized in that: The grooving laser assembly comprises a first sliding seat, which is movably arranged on the corresponding adjusting micrometer; and a grooving laser body which is fixedly arranged on the first sliding seat and is vertically arranged with respect to the horizontal plane of the supporting assembly.

9. The laser scribing mechanism with multi-slicing function according to claim 7, characterized in that: The split laser assembly comprises a second sliding seat, which is movably arranged on the corresponding adjusting micrometer; and a split laser body fixedly arranged on the second sliding seat, which is vertically arranged with respect to the horizontal plane of the supporting assembly.

10. A dicing machine with multiple dicing functions, characterized in that: A laser scribing mechanism comprising any one of claims 1 to 9; It also includes a battery cell feeding and conveying mechanism, a battery cell whole-piece visual inspection mechanism, a variable-pitch manipulator transfer mechanism, a drying and conveying mechanism, a slice visual inspection mechanism, and a battery cell unloading and conveying mechanism; Among them, the battery cell loading and conveying mechanism performs conveying operations on the battery cells; the whole-cell visual inspection mechanism is arranged on the side of the battery cell loading and conveying mechanism, and performs visual inspection operations on the battery cells; the laser scribing mechanism is arranged at the relatively rear end of the whole-cell visual inspection mechanism, and performs multiple-slice operations on the battery cells; the variable-pitch manipulator transfer mechanism is arranged at the relatively rear end of the laser scribing mechanism, and changes the distance of multiple slices and transfers them to the drying and conveying mechanism; the drying and conveying mechanism performs drying operations on the slices arranged thereon; the slice visual inspection mechanism is arranged on the side of the drying and conveying mechanism, and performs visual inspection operations on the dried slices; the battery cell unloading and conveying mechanism transfers the slices to the next workstation.

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