Laser-induced sintering processing device for photovoltaic cell

Abstract

The laser-induced sintering processing device comprises a rotary driving mechanism and a plurality of bearing tables, a feeding station and a processing station are arranged on the rotary path of the rotary driving mechanism, and a positioning conveying belt and a feeding carrying mechanism are arranged corresponding to the feeding station; the positioning conveying belt conveys battery pieces in the first direction, and a positioning device is arranged at the tail end of the conveying path. The positioning device comprises two first clamping pieces oppositely arranged in the second direction, a second clamping piece and a third clamping piece, wherein the second clamping piece and the third clamping piece are oppositely arranged in the first direction. The at least two first clamping pieces and the at least two third clamping pieces are connected with the positioning driving mechanism. The second clamping piece is closer to the rotary table module relative to the third clamping piece, and the positioning driving mechanism drives the third clamping piece to move downwards to be at least lower than the conveying belt when the battery pieces are conveyed to the positioning station. The battery pieces are directly carried to the feeding station after being positioned, the productivity can be improved, fragments or other risks caused by carrying are reduced, and the structure is compact.

Description

Technical Field

[0001] The present application belongs to the field of photovoltaic technology, and specifically, relates to a laser induced sintering processing device for photovoltaic cells. Background Art

[0002] The contact resistance between the electrodes of crystalline silicon solar cells has a great influence on the fill factor and conversion efficiency. The lower the contact resistance, the higher the fill factor and conversion efficiency. Reducing the contact resistance has become an urgent need for major battery manufacturers. In order to reduce the contact resistance, the applicant uses laser induced sintering technology to excite battery carriers through lasers and promote the mutual diffusion of metals and silicon wafers under the action of the reverse voltage of the external electric field, thereby obtaining excellent contact characteristics after sintering.

[0003] Existing laser induced sintering processing equipment for mass production of solar cells has a method of setting up a positioning station between the loading and conveying mechanism and the processing table to position the battery cells. The battery cells are first moved to the positioning station to complete the positioning and then moved from the positioning station to the processing table. This method requires the battery cells to be moved twice, and the production capacity needs to be further improved. Utility Model Content

[0004] In view of this, the present application provides a laser induced sintering processing device for photovoltaic cells, including a turntable module, the turntable module includes a rotary drive mechanism and a plurality of carriers connected to the rotary drive mechanism, the carriers are used to carry battery cells, a loading station and a processing station are sequentially arranged on the rotation path of the rotary drive mechanism, an electric input module and a laser processing module are correspondingly arranged at the processing station, the laser processing module is used to emit a laser beam to scan the battery cell while a reverse voltage is applied to the battery cell through the electric input module, the rotary drive mechanism is used to drive the plurality of carriers to sequentially pass through the loading station and the processing station,

[0005] A positioning conveyor belt and a loading and transporting mechanism are provided corresponding to the loading station, the positioning conveyor belt transports the battery cell along a first direction, the loading and transporting mechanism is located above the carrying platform and the positioning conveyor belt, a positioning station is provided at the end of the conveying path of the positioning conveyor belt, a positioning device is provided at the positioning station, and the loading and transporting mechanism transports the battery cell positioned by the positioning device to the carrying platform located at the loading station;

[0006] Among them, the positioning device includes a positioning drive mechanism, two first clamping members arranged opposite to each other along the second direction, a second clamping member and a third clamping member arranged opposite to each other along the first direction, the second direction is perpendicular to the first direction, and at least two of the four clamping members, the first clamping members and the third clamping member, are connected to the positioning drive mechanism; the conveyor belt of the positioning conveyor belt is located between the two first clamping members, and the second clamping member is closer to the turntable module than the third clamping member, and the positioning drive mechanism drives the third clamping member to move downward to at least below the conveyor belt when the battery cell is conveyed to the positioning station, and at least three clamping members move toward the center of the battery cell when clamping and positioning the battery cell and drive the third clamping member to move upward until it can clamp and position the battery cell, and when the battery cell is released, at least three clamping members move away from the center of the battery cell.

[0007] Preferably, the second clamping member is fixed and the clamping portion of the second clamping member is higher than the conveyor belt of the positioning conveyor belt; or the second clamping member is also connected to the positioning drive mechanism, and the positioning drive mechanism drives the four clamping members to move toward the center of the battery cell when clamping and positioning the battery cell, and to move away from the center of the battery cell when releasing the battery cell.

[0008] Preferably, the second clamping member is connected to the positioning drive mechanism, the positioning drive mechanism includes a first drive member and a second drive member, the two first clamping members are connected to the first drive member, and the second clamping member and the third clamping member are connected to the second drive member.

[0009] Preferably, the length of the positioning conveyor belt along the first direction is close to the length of the positioning device along the first direction, so that the battery cell can reach the positioning station after being transferred to the positioning conveyor belt.

[0010] Preferably, a loading conveyor belt is provided upstream of the positioning conveyor belt along the first direction, and the loading conveyor belt is used to convey the battery cells along the first direction to the positioning conveyor belt.

[0011] Preferably, a centering clamping mechanism is provided on the conveying path of the loading conveyor belt, and the centering clamping mechanism includes a centering driving actuator and two fifth clamping members connected to the centering driving actuator and arranged opposite to each other along the second direction.

[0012] Preferably, the second clamping member is connected to the positioning drive mechanism, and the positioning drive mechanism drives the four clamping members to move toward the center of the battery cell and upward until they can clamp and position the battery cell when clamping and positioning the battery cell, and to move away from the center of the battery cell and downward when releasing the battery cell.

[0013] Preferably, the positioning conveyor belt includes two conveyor belts separated and arranged along the second direction and a belt driving mechanism for driving the conveyor belt to move, and the belt driving mechanism is located below the conveyor belt; the second clamping member and the third clamping member each include at least one vertically arranged support arm and a clamping wheel connected to the support arm, and the second clamping member and / or the third clamping member are staggered with the conveyor belt in the horizontal direction.

[0014] Preferably, the loading and handling mechanism comprises a suction cup, and when the positioning drive mechanism drives at least three clamping members to clamp the battery sheet, the height of the tops of the four clamping members from the conveyor belt is less than the adsorbable height of the suction cup.

[0015] Preferably, the second clamping member is also connected to the positioning drive mechanism, and the positioning drive mechanism drives the four clamping members to move toward the center of the battery cell when clamping and positioning the battery cell, and to move away from the center of the battery cell when releasing the battery cell;

[0016] The positioning drive mechanism includes a driving actuator and a rotating member connected to the output end of the driving actuator, the driving actuator is located below the rotating member, and the driving actuator drives the rotating member to rotate around its center; the positioning device also includes four sliding members respectively arranged in a one-to-one correspondence with four clamping members and four connecting members respectively arranged in a one-to-one correspondence with the four sliding members, one end of the connecting member is rotatably connected to the rotating member, and the other end is connected to the corresponding sliding member, the sliding member can reciprocate along the radial direction of the rotating member, and the four clamping members are respectively connected to the four sliding members.

[0017] Preferably, the connecting member is an arc-shaped member, comprising an arc-shaped connecting portion and a straight connecting portion, the arc-shaped connecting portion is connected to the rotating member, and the straight connecting portion is connected to the sliding member, wherein the radius of the arc-shaped connecting portion is greater than the radius of the rotating member;

[0018] The four arc-shaped parts are connected to the rotating part in a uniformly rotating manner along the circumference of the rotating part, and the four sliding parts are arranged on the outside of the rotating part, and adjacent sliding parts are distributed at equal angles in the circumferential direction; the sliding part includes a slide rail and a slider, the slide rail extends along the diameter direction of the rotating part, the slider is connected to the slide rail, moves along the slide rail towards and away from the rotating part, and the straight connecting part of the arc-shaped part is rotatably connected to the slider.

[0019] Preferably, the positioning device further comprises four guide members arranged in one-to-one correspondence with the four clamping members, and the four clamping members are respectively connected to the sliding member through the corresponding guide members;

[0020] Wherein, the guide member includes a connecting rod and a guide block, and the guide block is provided with a guide hole descending in a direction away from the rotating member. One end of the connecting rod is rotatably connected to the sliding member, and the other end is slidably arranged in the guide hole. Four clamping members are respectively arranged at the corresponding end of the connecting rod close to the guide block.

[0021] Preferably, the guide hole is an arc-shaped groove, which is horizontally arranged close to a side of the rotating member.

[0022] Preferably, the connecting rod and guide block in one of the guide members are two symmetrically arranged on both sides of the corresponding sliding member, and the guide member also includes a first rotating axis and a second rotating axis. The first rotating axis transversely passes through the sliding member and passes through one end of the two connecting rods so that one end of the connecting rod is rotatably connected to the sliding member; the second rotating axis transversely passes through the other end of the two connecting rods and passes through the guide hole so that the other end of the connecting rod is slidably arranged in the guide hole.

[0023] Preferably, each of the four clamping members comprises at least one vertically arranged support arm and at least two clamping wheels connected to the support arm for clamping the battery sheet, and the clamping wheels are extended upward through the support arm.

[0024] According to another aspect of the present application, the present application also proposes a laser induced sintering processing device for photovoltaic cells, including a turntable module, the turntable module includes a rotary drive mechanism and a plurality of carriers connected to the rotary drive mechanism, the carriers are used to carry battery cells, loading stations and processing stations are sequentially arranged on the rotation path of the rotary drive mechanism, and an electric input module and a laser processing module are arranged corresponding to the processing stations. The laser processing module is used to emit a laser beam to scan the battery cells while a reverse voltage is applied to the battery cells through the electric input module, and the rotary drive mechanism is used to drive the plurality of carriers to pass through the loading station and the processing station in sequence.

[0025] A positioning conveyor belt and a loading and transporting mechanism are provided corresponding to the loading station, the positioning conveyor belt transports the battery cells along a first direction, the loading and transporting mechanism is located above the carrier platform and the positioning conveyor belt, a positioning station is provided at the end of the conveying path of the positioning conveyor belt, and a positioning device is provided at the positioning station;

[0026] Wherein, the positioning conveyor belt is divided into a first conveyor belt and a second conveyor belt in sequence along the conveying direction of the battery cell, the positioning station is divided into station one and station two in sequence along the conveying direction of the battery cell, the end of the conveying path of the first conveyor belt is station one, and the station where the second conveyor belt is located is station two, the positioning device includes a first positioning mechanism and a second positioning mechanism, the first positioning mechanism includes a positioning drive mechanism and two fourth clamping members connected to the positioning drive mechanism and arranged oppositely along the second direction, the conveyor belt of the first conveyor belt is located between the two fourth clamping members, and the first positioning mechanism is arranged at the position where the station one is located; the second positioning mechanism is a sensor, which is arranged between the station one and the station two;

[0027] The loading and transporting mechanism transports the battery cells positioned by the positioning device at the positioning station to the carrying platform at the loading station.

[0028] Preferably, the loading and handling mechanism includes a first rotary drive actuator, a first rotating arm connected to the first rotary drive actuator, and a first suction cup connected to the end of the first rotating arm, the first rotary drive actuator is used to drive the first suction cup to move back and forth between the loading station and the positioning station, and the first rotating arm is a straight-line handling arm.

[0029] Preferably, it also includes a cache box located on the side of the positioning conveyor belt, the cache box is located on the rotation path of the loading and transporting mechanism, the cache box is used to cache battery cells, and the loading and transporting mechanism is also used to drive the first suction cup to move back and forth between the positioning station and the cache box.

[0030] Preferably, a material unloading station located after the processing station is also provided on the rotation path of the rotary drive mechanism, and a material unloading conveying mechanism and a material unloading rotating conveying arm are provided corresponding to the material unloading station, and the material unloading rotating conveying arm includes a second rotary drive actuator, a second rotating arm connected to the second rotary drive actuator, and a second suction cup connected to the end of the second rotating arm, the second rotary drive actuator is used to drive the second suction cup to move back and forth between the material unloading station and the material unloading conveying mechanism, and the second rotating arm is a straight-line conveying arm.

[0031] The present application arranges the positioning device at the end of the conveying path of the positioning conveyor belt, so that the battery cell can be directly transported to the loading station of the turntable module after the positioning is completed by the positioning device at the positioning station. Only one transportation is required, which not only improves the production capacity, but also reduces the risk of fragments or other risks caused by the transportation of the battery cell due to the small number of transportation times. In addition, this layout makes the structure of the processing device more compact and occupies less space. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the related technologies, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0033] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with this technology. They are not used to limit the conditions under which this application can be implemented, and therefore have no substantive technical significance. Any structural modification, change in proportion or adjustment of size, without affecting the effects and purposes that can be achieved by this application, should still fall within the scope of the technical contents disclosed in this application.

[0034] Figure 1 A schematic structural diagram of a laser induced sintering processing device for photovoltaic cells according to an embodiment of the present application.

[0035] Figure 2 A schematic structural diagram of the cooperation between a positioning conveyor belt and a positioning device in one embodiment provided in the present application.

[0036] Figure 3 Provided for this application Figure 2 The schematic diagram of the structure of the positioning device after positioning the conveyor belt is not shown.

[0037] Figure 4 A schematic structural diagram of a laser induced sintering processing device for photovoltaic cells according to another embodiment of the present application. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the embodiments in the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0039] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0040] The present application provides a laser induced sintering processing device for photovoltaic cells, such as Figure 1As shown, the turntable module 100 includes a rotary drive mechanism 120 and a plurality of carriers 110 connected to the rotary drive mechanism 120. The carriers 110 are used to carry battery cells. A loading station A and a processing station B are sequentially arranged on the rotation path of the rotary drive mechanism 120. An electric input module and a laser processing module are correspondingly arranged at the processing station B. The laser processing module is used to emit a laser beam to scan the battery cell while a reverse voltage is applied to the battery cell through the electric input module. The rotary drive mechanism 120 is used to drive the plurality of carriers 110 to pass through the loading station A and the processing station B in sequence. The rotary drive mechanism 120 can be a motor, such as a DD motor. Further, the turntable module 100 can also include a horizontally arranged and centrally symmetrical support frame. The driving shaft of the rotary drive mechanism 120 is vertically arranged and connected to the center of the support frame. The plurality of carriers 110 are connected to the rotary drive mechanism 120 by being installed on the support frame. The distance between each carrier 110 and the center of the support frame is equal. Specifically, the loading station A and the processing station B refer to a spatial position, and the rotary drive mechanism 120 will drive the carrier 110 to pass through these stations in sequence, and stop at the next station after each rotation to perform corresponding operations. The electric input module includes a first electrode and a second electrode, which are used to connect to the positive and negative electrodes of an external power source, and are also used to contact the positive electrode and the negative electrode on the battery cell, so that the first electrode and the second electrode contact the battery cell and apply voltage to the battery cell. The structure of the first electrode and the second electrode can be a conventional structure of the prior art, such as a probe. The laser processing module, for example, includes a laser that emits a laser beam and a laser scanning mechanism that controls the scanning direction of the laser beam. It should be noted that the number of processing stations B of the present application can be two, and the two processing stations B are respectively provided with an electric input module and the two processing stations B can scan and process the battery cell through the laser processing module to solve the technical problem of the electrode blocking the laser. This part of the content has been disclosed in the prior art and will not be repeated here.

[0041] Corresponding to the loading station A, a positioning conveyor belt 210 and a loading and transporting mechanism 220 are provided. The positioning conveyor belt 210 transports the battery cell along the first direction. The loading and transporting mechanism 220 is located above the carrier 110 and the positioning conveyor belt 210. A positioning station D is provided at the end of the conveying path of the positioning conveyor belt 210. A positioning device 300 is provided at the positioning station D. The loading and transporting mechanism 220 transports the battery cell positioned by the positioning device 300 to the carrier 110 located at the loading station A. The battery cell is clamped and positioned by the positioning device 300 to ensure the processing accuracy when the battery cell is transferred to the turntable module 100 for processing. Among them, the structure of the loading and transporting mechanism 220 can be the example given below, or it can be other structures in the prior art, such as a mechanical arm or a linear transport arm. The loading and transporting mechanism 220 being located above the carrier 110 and the positioning conveyor belt 210 does not mean that the loading and transporting mechanism 220 is always located above the carrier 110 and the positioning conveyor belt 210, but means that in order to be able to transfer the battery cells transported on the positioning conveyor belt 210 to the carrier 110, the loading and transporting mechanism 220 is located above the positioning conveyor belt 210 when obtaining the battery cells on the positioning conveyor belt 210, and is located above the carrier 110 when placing the battery cells on the carrier 110. The first direction is, for example, Figure 1 The X-axis direction in the middle. The positioning station D is arranged at the end of the conveying path of the positioning conveyor belt 210, which means that after the positioning conveyor belt 210 conveys the battery cell to the positioning station D, it will no longer continue to convey backwards, and at the same time, the conveyor belt 212 of the positioning conveyor belt 210 is located between the positioning devices 300, and more specifically, the conveyor belt 212 is at least located between the two first clamping members 1 below. In other words, after the battery cell is positioned at the positioning station D, it is directly transported to the carrier 110 corresponding to the loading station A, and the positioned battery cell can be transferred to the turntable module 100 in one transport.

[0042] Among them, Figure 2 , Figure 3 As shown, the positioning device 300 includes a positioning drive mechanism, two first clamping members 1 arranged opposite to each other along the second direction, a second clamping member 2 and a third clamping member 3 arranged opposite to each other along the first direction, the second direction is perpendicular to the first direction, at least two of the first clamping members 1 and the third clamping member 3 of the four clamping members are connected to the positioning drive mechanism, and the second direction is, for example, Figure 1The conveyor belt 212 of the positioning conveyor belt 210 is located between the two first clamping members 1, and the second clamping member 2 is closer to the turntable module 100 than the third clamping member 3. The positioning drive mechanism drives the third clamping member 3 to move downward to at least below the conveyor belt 212 when the battery cell is conveyed to the positioning station D. At least three clamping members 1 and 3 (at least the two first clamping members 1 and the third clamping member 3 connected to the positioning drive mechanism) move toward the center of the battery cell when clamping and positioning the battery cell and drive the third clamping member 3 to move upward to clamp and position the battery cell. When releasing the battery cell, at least three clamping members 1 and 3 move away from the center of the battery cell to facilitate the loading and handling mechanism 220 to carry the battery cell to the turntable module 100.

[0043] Furthermore, since the second clamping member 2 is close to the turntable module 100 and the battery cell no longer moves after moving to the positioning station D, there are at least two ways to set the second clamping member 2. The first is that the second clamping member 2 is fixed and the clamping portion (the clamping wheel in this application) of the second clamping member 2 is higher than the conveyor belt 212 of the positioning conveyor belt 210. At this time, the side of the battery cell close to the turntable module 100 is positioned by the fixed second clamping member 2, and the second clamping member 2 does not need to be moved for positioning; or the second is that the second clamping member 2 is also connected to the positioning drive mechanism, that is, the positioning drive mechanism drives the four clamping members 1, 2, and 3 to move together at the same time. At this time, the positioning drive mechanism drives the four clamping members to move toward the center of the battery cell when clamping and positioning the battery cell, and to move away from the center of the battery cell when releasing the battery cell. In the second case, further, the positioning drive mechanism can be either one driving actuator or two driving actuators. When there are two driving actuators, it can include a first driving actuator and a second driving actuator. The two first clamping members 1 are connected to the first driving member, and the second clamping member 2 and the third clamping member 3 are connected to the second driving member. That is to say, the four clamping members are driven by two driving members. Specifically, the first driving member and the second driving member are, for example, motors or cylinders.

[0044] Among them, considering that when the battery cell is transported toward the turntable module 100 along the first direction through the positioning conveyor belt 210, it will first pass through the position of the third clamping member 3. In order to avoid the third clamping member 3 interfering with the transportation of the battery cell, the present application is designed that the positioning drive mechanism drives the third clamping member 3. When the battery cell is transported to the positioning station D, the height of the third clamping member 3 is at least lower than the conveyor belt 212 of the positioning conveyor belt 210. When at least three clamps clamp and position the battery cell, the third clamping member 3 moves upward again. When the battery cell is released, the third clamping member 3 needs to move away from the center of the battery cell (in fact, when the battery cell is released, the third clamping member 3 will move downward while moving away from the center of the battery cell). Therefore, in the process of conveying the battery cell to the positioning station D, the third clamping member 3 does not hinder the transportation of the battery cell to the positioning station D. When the moved battery cell needs to be positioned, the part of the third clamping member 3 that clamps the battery cell rises to a height that can clamp and position the battery cell to facilitate clamping and positioning.

[0045] The present application sets the positioning device 300 at the end of the conveying path of the positioning conveyor belt 210, so that the battery cell can be directly transported to the loading station A of the turntable module 100 after the positioning is completed by the positioning device 300 at the positioning station D. Only one transportation is required, and the number of transportations is small, which can reduce the risk of fragments or other risks caused by the transportation of the battery cell. In addition, this layout makes the structure of the processing device compact and occupies less space.

[0046] Specifically, the positioning drive mechanism is used to provide driving force for at least three clamping members. Its specific structure can be as described below, including a driving actuator and a rotating member 10 connected to the output end of the driving actuator. Of course, it can also be other structures, but at least includes a driving actuator (such as a motor or a cylinder) and a moving structure connected to the output end of the driving actuator. At least three clamping members are connected to the moving structure so that the driving actuator can drive at least three clamping members to move. There are many forms of moving structures, which can realize driving at least three clamping members to move in the required direction.

[0047] Preferably, all four clamps (two first clamps 1, the second clamp 2 and the third clamp 3) are connected to the positioning drive mechanism, and the positioning drive mechanism provides driving force for the four clamps. It should be noted that, when the positioning device 300 clamps and positions the battery sheet, in addition to the design requirements of the third clamp 3 mentioned above, the movement trajectories of the other three clamps may not be strictly limited. The other three clamps may move horizontally, or move horizontally and up and down like the third clamp 3. More preferably, the movement trajectories of the four clamps may be designed to be the same, with a simple structure.

[0048] Furthermore, in order to enable the clamping member to position and clamp the battery cell, release the battery cell, and not interfere with the transportation of the battery cell to the positioning station D, the positioning device 300 may also include other structures, as detailed below.

[0049] As another example, Figure 1 As shown, the length of the positioning conveyor belt 210 along the first direction is close to the length of the positioning device 300 along the first direction, so that the battery cell can reach the positioning station D after being transferred to the positioning conveyor belt 210. In other words, the positioning conveyor belt 210 is a shorter conveyor belt. Such a setting makes the working rhythm faster.

[0050] As another example, Figure 1 As shown, a loading conveyor belt 230 is provided upstream of the positioning conveyor belt 210 along the first direction, and the loading conveyor belt 230 is used to convey the battery cells to the positioning conveyor belt 210. In other words, the positioning conveyor belt 210 is a separate conveyor belt, which can be independently controlled, so that it is more convenient to load and convey the battery cells and clamp and position them on the positioning conveyor belt 210.

[0051] As a further example of the above embodiment, Figure 1 As shown, a centering clamping mechanism is provided on the conveying path of the feeding conveying belt 230. The specific structure of the centering clamping mechanism can be a conventional structure in the prior art, for example, including a centering driving actuator (such as a motor) and two fifth clamping members ( Figure 1 The centering drive actuator drives the two fifth clamping members to move relative to each other, that is, to move toward the center of the battery cell to adjust the position of the battery cell. The centering clamping mechanism can first roughly adjust the battery cell, and since there are only two clamping members with a relatively larger adjustable range, it helps to provide the positioning and clamping accuracy of the battery cell. It is preferably located at the end of the conveying path of the feeding conveyor belt 230. The conveyor belt of the feeding conveyor belt 230 is also located between the two fifth clamping members.

[0052] As another embodiment, the second clamping member 2 is connected to the positioning drive mechanism, and the positioning drive mechanism drives the four clamping members 1, 2, and 3 to move toward the center of the battery cell and move upward to clamp and position the battery cell when clamping and positioning the battery cell, and the four clamping members 1, 2, and 3 to move away from the center of the battery cell and move downward when releasing the battery cell. That is to say, when releasing the battery cell, the four clamping members not only move away from the battery cell but also drop, which is conducive to reducing the fragmentation rate of the battery cell, and at the same time, it can also make the suction cup of the loading and handling mechanism 220 closer to the battery cell when adsorbing the battery cell, and the adsorption capacity is stronger, while the four clamping members do not interfere with the work of the suction cup.

[0053] As another example, Figure 2 As shown, the positioning conveyor belt 210 includes two conveyor belts 212 separated along the second direction and a belt driving mechanism 211 driving the conveyor belt 212 to move along the first direction, and the belt driving mechanism 211 is located below the conveyor belt 212 to avoid affecting the conveyor belt 212 in conveying battery cells; the second clamping member 2 and the third clamping member 3 each include at least one vertically arranged support arm and a clamping wheel connected to the support arm (preferably at least two separately arranged clamping wheels), and the second clamping member 2 and / or the third clamping member 3 are staggered with the conveyor belt 212 in the horizontal direction to avoid the second clamping member 2 and / or the third clamping member 3 affecting the conveying work of the positioning conveyor belt 210.

[0054] As another embodiment, the loading and transporting mechanism 220 includes a suction cup, and the positioning drive mechanism drives at least three clamping members 1 and 3 to clamp the battery cells. The height of the top of the four clamping members 1, 2, and 3 from the conveyor belt 212 is less than the adsorption height of the suction cup. Therefore, the suction cup of the loading and transporting mechanism 220 can adsorb the battery cells without lifting or lowering. That is to say, when the loading and transporting mechanism 220 reciprocates between the loading station A and the positioning station D, it only needs to translate without lifting or lowering, and the suction cup will not be interfered with by the four clamping members when moving between the loading station A and the positioning station D.

[0055] As another example, Figure 2 , Figure 3 As shown, the second clamping member 2 is also connected to the positioning drive mechanism, and the positioning drive mechanism drives the four clamping members 1, 2, and 3 to move toward the center of the battery cell when clamping and positioning the battery cell, and to move away from the center of the battery cell when releasing the battery cell; the positioning drive mechanism includes a driving actuator and a rotating member 10 connected to the output end of the driving actuator, and the driving actuator drives the rotating member 10 to rotate around its center. The driving actuator is located below the rotating member 10 to facilitate the installation of the driving actuator, so that the positioning device 300 has a compact structure; the positioning device 300 also includes four The sliding member 30 and four connecting members 20 corresponding to the four sliding members 30 are to be provided. One end of the connecting member 20 is rotatably connected to the rotating member 10, and the other end is connected to the corresponding sliding member 30. The sliding member 30 can reciprocate along the radial direction of the rotating member 10. The four clamping members are respectively connected to the four sliding members 30, so that the four clamping members are respectively connected to the rotating member 10 through the corresponding sliding members 30 and connecting members 20, so that when the rotating member 10 rotates, the four clamping members can perform the clamping and positioning and release of the battery cell. The correspondence mentioned here means that one clamping member requires one sliding member 30 and one connecting member 20.

[0056] More specifically, the four sliding members 30 are symmetrically arranged in pairs around the rotating member 10, and the adjacent sliding members 30 are distributed at 90 degrees. When the rotating member 10 rotates along its center, it drives the connecting member 20 to rotate, driving the sliding member 30 (the slider 32 therein) to move closer to and away from the rotating member 10 (the rotation center), and driving the various clamping members thereon to move closer to and away from the rotation center.

[0057] The driving actuator is, for example, a motor. The structure of the connecting member 20 may be the structure including the arc-shaped connecting portion 21 and the linear connecting portion 22 described below, or may be designed as other structures in conjunction with the rotating member, for example, the rotating member is first set as a rotating disk with four arc-shaped channels, and then the four connecting members are each designed as a cam that can pass through the arc-shaped channels, one end of the cam passes through the arc-shaped channels, and the other end is connected to the sliding member 30, thereby also driving the various clamping members thereon to approach and move away from the rotation center, as long as the above-mentioned functions can be achieved.

[0058] As a further example, Figure 2 , Figure 3 As shown, the connecting member 20 is an arc-shaped member, including an arc-shaped connecting portion 21 and a straight connecting portion 22, wherein the arc-shaped connecting portion 21 is connected to the rotating member 10, and the straight connecting portion 22 is connected to the sliding member 30, wherein the radius of the arc-shaped connecting portion 21 is greater than the radius of the rotating member 10, so that the connecting member 20 can work stably and reliably.

[0059] More specifically, in order to avoid interference between adjacent connecting members 20, the rotating member 10 is configured as a cylindrical structure, two symmetrically arranged connecting members 20 are connected to the upper end of the rotating member 10, and the other two symmetrically arranged connecting members 20 are arranged at the lower end of the rotating member 10, so that two 90-degree adjacent connecting members 20 are separated in height to avoid interference.

[0060] Furthermore, if Figure 2 , Figure 3 As shown, four arc-shaped members are connected to the rotating member 10 so as to rotate evenly along the circumference of the rotating member 10; four sliding members 30 are arranged on the outside of the rotating member 10, and adjacent sliding members 30 are distributed at equal angles in the circumferential direction, and the sliding member 30 includes a slide rail 31 and a slider 32, the slide rail 32 extends along the diameter direction of the rotating member 10, the slider 32 is connected to the slide rail 21, and moves toward and away from the rotating member 10 along the slide rail 21, and the straight connecting portion 22 of the arc-shaped member is connected to the slider 32, thereby the four clamping members can be well moved toward and away from the rotating member 10 through the slide member 30.

[0061] As another example, Figure 2 , Figure 3As shown, the positioning device 300 also includes four guide members 50 corresponding to the four clamping members 1, 2, and 3, and the four clamping members are connected to the sliding member 30 through the corresponding guide members 50; wherein the guide member 50 includes a connecting rod 51 and a guiding block 52, and the guiding block 52 is provided with a guiding hole 53 descending in a direction away from the rotating member 10, one end (first end) of the connecting rod 51 is rotatably connected to the sliding member 30, and the other end (second end) is slidably arranged in the guiding hole 53, and the four clamping members are respectively arranged at one end of the corresponding connecting rod 51 close to the guiding block 52. Specifically, the connecting rod 51 can be rotatably connected to the sliding member 30 through a rotating shaft (such as the first rotating shaft 54 ​​below). By setting the guide member 50, the four clamping members rotate around the rotating axis to approach or move away from the rotating member 10. By setting the guide member 50, the four clamping members move upward while moving toward the center of the battery cell, thereby converting the lower height state of the top of the four clamping members (for example, a state lower than the positioning conveyor belt) into a state higher than the conveyor belt to achieve the clamping and positioning of the battery cell; at the same time, when the four clamping members release the battery cell and move away from the rotating member 10 and move downward, the top of the clamping member returns to the initial lower height state again, so as to transport and remove the positioned battery cell.

[0062] As a further embodiment, the guide hole 53 is an arc-shaped groove, which is horizontally arranged on one side close to the rotating member 10, so that the four clamping members move horizontally when clamping and positioning the battery cell (first rising and then), making the horizontal clamping more stable and the positioning more precise.

[0063] As a further embodiment, the connecting rod 51 and the guide block 52 in a guide member 50 are symmetrically arranged on both sides of the corresponding sliding member 20. The guide member 50 also includes a first rotating shaft 54 ​​and a second rotating shaft 55. The first rotating shaft 54 ​​transversely passes through the sliding member 30 and passes through one end (first end) of the two connecting rods 51 so that one end of the connecting rod 51 is rotatably connected to the sliding member 30; the second rotating shaft 55 transversely passes through the other end of the two connecting rods 51 and passes through the guide hole 53 so that the other end (second end) of the connecting rod 51 is slidably arranged in the guide hole 53. By setting two connecting rods 51 and the guide block 52, the movement of the four clamping members is smoother.

[0064] As another embodiment, the four clamping members each include at least one vertically arranged support arm and at least two clamping wheels connected to the support arm for clamping the battery cells. The clamping wheels are extended upward through the support arms to facilitate clamping the battery cells, and the clamping wheel structure is more stable when clamping the battery cells.

[0065] When the positioning device 300 of the above embodiment is working, when completing a stroke from loosening to clamping to loosening, it only needs the driving actuator (motor) of the positioning drive mechanism to rotate once. There is no need to drive the actuator (motor) to rotate forward and reverse in one action cycle, and the centering efficiency is high. Specifically, in the initial state (the first loosening state), the first connection point between the connecting member 20 and the rotating member 10 is located on one side of the connecting line in the extension direction of the slide rail 31; the driving motor rotates forward, and the rotating member 10 starts to rotate clockwise, until the first connection point between the connecting member 20 and the rotating member 10 is the same as the second connection point between the arc-shaped connecting member 20 and the slider 32 and the extension direction of the slide rail 31, the straight-line distance between the first connection point and the second connection point is the shortest, which is a clamping state; the rotating member 10 continues to rotate clockwise, and the first connection point between the connecting member 20 and the rotating member 10 is located on the other side of the connecting line in the extension direction of the slide rail 31, which is a loosening state (the second loosening state). The driving motor rotates in the reverse direction, and the rotating member 10 moves counterclockwise from the second loosened state through the clamped state and returns to the initial state (the first loosened state).

[0066] like Figure 4 As shown, the present application also proposes another laser induced sintering processing device for photovoltaic cells, including a turntable module 100, the turntable module 100 includes a rotating drive mechanism 120 and a plurality of carriers 110 connected to the rotating drive mechanism, the carriers are used to carry battery cells, a loading station A and a processing station B are sequentially arranged on the rotating path of the rotating drive mechanism 120, an electric input module and a laser processing module are correspondingly arranged at the processing station B, the laser processing module is used to emit a laser beam to scan the battery cells while a reverse voltage is applied to the battery cells through the electric input module, and the rotating drive mechanism 120 is used to drive the plurality of carriers 110 to pass through the loading station A and the processing station B in sequence. Corresponding to the loading station A, a positioning conveyor belt 210 and a loading and transporting mechanism 220 are provided. The positioning conveyor belt 210 transports the battery cells along the first direction. The loading and transporting mechanism 220 is located above the carrier platform 110 and the positioning conveyor belt 210. A positioning station D is provided at the end of the transporting path of the positioning conveyor belt 210, and a positioning device 300 is provided at the positioning station D. The other structures in this embodiment are similar to those in the above-mentioned embodiment, except that the positioning device 300 is different.

[0067] Among them, the positioning conveyor belt 210 is divided into a first conveyor belt and a second conveyor belt in sequence along the conveying direction of the battery cell, and the positioning station D is divided into station one D1 and station two D2 in sequence along the conveying direction of the battery cell. The end of the conveying path of the first conveyor belt is station one D1, and the station where the second conveyor belt is located is station two D2. The positioning device 300 includes a first positioning mechanism 310 and a second positioning mechanism 320. The first positioning mechanism 310 includes a positioning drive mechanism and two fourth clamping members 4 connected to the positioning drive mechanism and arranged oppositely along the second direction. The conveyor belt of the first conveyor belt is located between the two fourth clamping members 4. The first positioning mechanism 310 is arranged at the location of station one D1; the second positioning mechanism 320 is a sensor, which is arranged between station one D1 and station one D2; the loading and transporting mechanism 220 transports the battery cell positioned by the positioning device 300 at the positioning station D to the carrier 110 located at the loading station A.

[0068] It should be noted that the length of the first conveyor belt along the first direction may also be close to the length of the first positioning mechanism 310 in the first direction to improve working efficiency.

[0069] Among them, the structure of the first positioning mechanism 310 is a conventional structure of the prior art, as long as it can realize the centering and clamping of the battery cell along the second direction. The above-mentioned sensor can be a through-beam sensor. In actual operation, when the battery cell is transported toward the turntable module 100 along the first direction through the positioning conveyor belt 210, it will first pass through station 1 D1. After being center-clamped by the first positioning mechanism 310 at station 1 D1, it will continue to be transported toward the turntable module 100. When passing through the second positioning mechanism 320 (sensor), the sensor senses the battery cell and transmits a signal to the positioning conveyor belt 210 to control the position where the battery cell stops at station 2 D2, so as to realize the positioning of the battery cell along the first direction, thereby ensuring the processing accuracy when the battery cell is transferred to the turntable module 100 for processing. It should be noted that the position where the battery cell stops at station 2 D2 is also within the handling range of the loading and handling mechanism 220.

[0070] Similarly, the present application sets the positioning device 300 at the end of the conveying path of the positioning conveyor belt 210, so that the battery cell can be directly transported to the loading station A of the turntable module after the positioning is completed by the positioning device 300 at the positioning station D. Only one transportation is required, and the number of transportations is small, which can reduce the risks of debris or other risks caused by the transportation of the battery cell. In addition, this layout makes the structure of the processing device compact and occupies less space.

[0071] As another embodiment, the loading and transporting mechanism 220 includes a first rotary drive actuator (not numbered in the figure), a first rotating arm 221 connected to the first rotary drive actuator, and a first suction cup 222 connected to the end of the first rotating arm. The first rotary drive actuator is used to drive the first suction cup 222 to move back and forth between the loading station A and the positioning station D. The first rotating arm 222 is a straight-line transport arm. In the embodiment of the present application, the first rotating arm 222 is a straight-line motion arm. By configuring the loading and transporting mechanism 220 to be rotary driven, its operating speed is faster, which can improve production capacity, especially relative to a linear moving transport structure.

[0072] As a further example of the above embodiment, Figure 1 As shown, it also includes a cache box 400 located on the side of the positioning conveyor belt 210. The cache box 400 is located on the rotation path of the loading and transporting mechanism 220. The cache box 400 is used to cache the battery cells. The loading and transporting mechanism 220 is also used to drive the first suction cup 222 to move back and forth between the positioning station D and the cache box 400. By setting the cache box 400, the battery cells that are defective or cannot be processed for other reasons can be cached in the cache box 400 before the battery cells are loaded into the turntable module 100, which has higher production capacity and more convenient operation. In addition, by setting the cache box on the rotation path of the loading and transporting mechanism 220, a loading and transporting mechanism 220 can not only transport the battery cells to the positioning station D, but also transport the battery cells to the cache box 400, which saves costs and has a simple structure.

[0073] As another embodiment, a material unloading station C located after the processing station B is also provided on the rotation path of the rotary drive mechanism 120, and a material unloading conveying mechanism 510 and a material unloading rotary transport arm 520 are provided corresponding to the material unloading station C. The material unloading rotary transport arm 520 includes a second rotary drive actuator (not numbered in the figure), a second rotary arm 521 connected to the second rotary drive actuator, and a second suction cup 522 connected to the end of the second rotary arm 521. The second rotary drive actuator is used to drive the second suction cup 522 to move back and forth between the material unloading station C and the material unloading conveying mechanism 510, and the second rotary arm 521 is a straight-line transport arm. Similarly, by setting the material unloading rotary transport arm 520 to a rotary drive form, its operating speed is faster, which can improve production capacity, especially relative to a linear moving transport structure.

[0074] In this specification, each embodiment is described in a progressive, parallel, or progressive and parallel manner. Each embodiment focuses on the differences from other embodiments, and the same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0075] It should also be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that an article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such article or device. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the article or device comprising the above elements.

[0076] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A laser induced sintering processing device for photovoltaic cells, comprising a turntable module, the turntable module comprising a rotary drive mechanism and a plurality of carriers connected to the rotary drive mechanism, the carriers being used to carry battery cells, a loading station and a processing station being sequentially arranged on the rotation path of the rotary drive mechanism, an electric input module and a laser processing module being corresponding to the processing station, the laser processing module being used to emit a laser beam to scan the battery cells while a reverse voltage is applied to the battery cells through the electric input module, the rotary drive mechanism being used to drive the plurality of carriers to sequentially pass through the loading station and the processing station, characterized in that: A positioning conveyor belt and a loading and transporting mechanism are provided corresponding to the loading station, the positioning conveyor belt transports the battery cell along a first direction, the loading and transporting mechanism is located above the carrying platform and the positioning conveyor belt, a positioning station is provided at the end of the conveying path of the positioning conveyor belt, a positioning device is provided at the positioning station, and the loading and transporting mechanism transports the battery cell positioned by the positioning device to the carrying platform located at the loading station; Among them, the positioning device includes a positioning drive mechanism, two first clamping members arranged opposite to each other along the second direction, a second clamping member and a third clamping member arranged opposite to each other along the first direction, the second direction is perpendicular to the first direction, and at least two of the four clamping members, the first clamping members and the third clamping member, are connected to the positioning drive mechanism; the conveyor belt of the positioning conveyor belt is located between the two first clamping members, and the second clamping member is closer to the turntable module than the third clamping member, and the positioning drive mechanism drives the third clamping member to move downward to at least below the conveyor belt when the battery cell is conveyed to the positioning station, and at least three clamping members move toward the center of the battery cell when clamping and positioning the battery cell and drive the third clamping member to move upward until it can clamp and position the battery cell, and when the battery cell is released, at least three clamping members move away from the center of the battery cell.

2. The laser induced sintering processing device for photovoltaic cells according to claim 1, characterized in that: The second clamping member is fixed and the clamping portion of the second clamping member is higher than the conveyor belt of the positioning conveyor belt; or the second clamping member is also connected to the positioning drive mechanism, and the positioning drive mechanism drives the four clamping members to move toward the center of the battery cell when clamping and positioning the battery cell, and move away from the center of the battery cell when releasing the battery cell.

3. The laser induced sintering processing device for photovoltaic cells according to claim 2, characterized in that: The second clamping member is connected to the positioning drive mechanism, and the positioning drive mechanism includes a first drive member and a second drive member. The two first clamping members are connected to the first drive member, and the second clamping member and the third clamping member are connected to the second drive member.

4. The laser induced sintering processing device for photovoltaic cells according to claim 1, characterized in that: The length of the positioning conveyor belt along the first direction is close to the length of the positioning device along the first direction, so that the battery cell can reach the positioning station after being transferred to the positioning conveyor belt.

5. The laser induced sintering processing device for photovoltaic cells according to claim 1, characterized in that: A loading conveyor belt is arranged upstream of the positioning conveyor belt along the first direction, and the loading conveyor belt is used to convey the battery cells along the first direction to the positioning conveyor belt.

6. The laser induced sintering processing device for photovoltaic cells according to claim 5, characterized in that: A centering clamping mechanism is arranged on the conveying path of the feeding conveyor belt, and the centering clamping mechanism comprises a centering driving actuator and two fifth clamping members connected to the centering driving actuator and arranged opposite to each other along the second direction.

7. The laser induced sintering processing device for photovoltaic cells according to claim 1, characterized in that: The second clamping member is connected to the positioning drive mechanism, and the positioning drive mechanism drives the four clamping members to move toward the center of the battery cell and upward until they can clamp and position the battery cell when clamping and positioning the battery cell, and to move away from the center of the battery cell and downward when releasing the battery cell.

8. The laser induced sintering processing device for photovoltaic cells according to claim 1, characterized in that: The positioning conveyor belt includes two conveyor belts separated and arranged along the second direction and a belt driving mechanism for driving the conveyor belt to move, and the belt driving mechanism is located below the conveyor belt; the second clamping member and the third clamping member each include at least one vertically arranged support arm and a clamping wheel connected to the support arm, and the second clamping member and / or the third clamping member are staggered with the conveyor belt in the horizontal direction.

9. The laser induced sintering processing device for photovoltaic cells according to claim 1, characterized in that: The loading and handling mechanism comprises a suction cup, and when the positioning drive mechanism drives at least three clamping members to clamp the battery sheet, the height between the top of the four clamping members and the conveyor belt is less than the adsorption height of the suction cup.

10. The laser induced sintering processing device for photovoltaic cells according to claim 1, characterized in that: The second clamping member is also connected to the positioning drive mechanism, and the positioning drive mechanism drives the four clamping members to move toward the center of the battery cell when clamping and positioning the battery cell, and to move away from the center of the battery cell when releasing the battery cell; The positioning drive mechanism includes a driving actuator and a rotating member connected to the output end of the driving actuator, wherein the driving actuator is located below the rotating member, and the driving actuator drives the rotating member to rotate around its center; The positioning device also includes four sliding members that are respectively arranged in a one-to-one correspondence with the four clamping members and four connecting members that are respectively arranged in a one-to-one correspondence with the four sliding members. One end of the connecting member is rotatably connected to the rotating member, and the other end is connected to the corresponding sliding member. The sliding member can reciprocate along the radial direction of the rotating member, and the four clamping members are respectively connected to the four sliding members.

11. The laser induced sintering processing device for photovoltaic cells according to claim 10, characterized in that: The connecting member is an arc-shaped member, including an arc-shaped connecting portion and a straight connecting portion, the arc-shaped connecting portion is connected to the rotating member, and the straight connecting portion is connected to the sliding member, wherein the radius of the arc-shaped connecting portion is greater than the radius of the rotating member; The four arc-shaped parts are connected to the rotating part in a uniformly rotating manner along the circumference of the rotating part, and the four sliding parts are arranged on the outside of the rotating part, and adjacent sliding parts are distributed at equal angles in the circumferential direction; the sliding part includes a slide rail and a slider, the slide rail extends along the diameter direction of the rotating part, the slider is connected to the slide rail, moves along the slide rail towards and away from the rotating part, and the straight connecting part of the arc-shaped part is rotatably connected to the slider.

12. The laser induced sintering processing device for photovoltaic cells according to claim 10, characterized in that: The positioning device also includes four guide members arranged in one-to-one correspondence with the four clamping members, and the four clamping members are respectively connected to the sliding member through the corresponding guide members; Wherein, the guide member includes a connecting rod and a guide block, and the guide block is provided with a guide hole descending in a direction away from the rotating member. One end of the connecting rod is rotatably connected to the sliding member, and the other end is slidably arranged in the guide hole. Four clamping members are respectively arranged at the corresponding end of the connecting rod close to the guide block.

13. The laser induced sintering processing device for photovoltaic cells according to claim 12, characterized in that: The guide hole is an arc-shaped groove, which is horizontally arranged on a side close to the rotating member.

14. The laser induced sintering processing device for photovoltaic cells according to claim 12, characterized in that: The connecting rod and guide block in one of the guide members are symmetrically arranged on both sides of the corresponding sliding member. The guide member also includes a first rotating axis and a second rotating axis. The first rotating axis transversely passes through the sliding member and passes through one end of the two connecting rods so that one end of the connecting rod is rotatably connected to the sliding member; the second rotating axis transversely passes through the other end of the two connecting rods and passes through the guide hole so that the other end of the connecting rod is slidably arranged in the guide hole.

15. The laser induced sintering processing device for photovoltaic cells according to claim 1, characterized in that: Each of the four clamping members includes at least one vertically arranged support arm and at least two clamping wheels connected to the support arm for clamping the battery sheet, and the clamping wheels are extended upward through the support arm.

16. A laser induced sintering processing device for photovoltaic cells, comprising a turntable module, the turntable module comprising a rotary drive mechanism and a plurality of carriers connected to the rotary drive mechanism, the carriers being used to carry battery cells, a loading station and a processing station being sequentially arranged on the rotation path of the rotary drive mechanism, an electric input module and a laser processing module being arranged corresponding to the processing station, the laser processing module being used to emit a laser beam to scan the battery cells while a reverse voltage is applied to the battery cells through the electric input module, the rotary drive mechanism being used to drive the plurality of carriers to sequentially pass through the loading station and the processing station, characterized in that: A positioning conveyor belt and a loading and transporting mechanism are provided corresponding to the loading station, the positioning conveyor belt transports the battery cells along a first direction, the loading and transporting mechanism is located above the carrier platform and the positioning conveyor belt, a positioning station is provided at the end of the conveying path of the positioning conveyor belt, and a positioning device is provided at the positioning station; Wherein, the positioning conveyor belt is divided into a first conveyor belt and a second conveyor belt in sequence along the conveying direction of the battery cell, the positioning station is divided into station one and station two in sequence along the conveying direction of the battery cell, the end of the conveying path of the first conveyor belt is station one, and the station where the second conveyor belt is located is station two, the positioning device includes a first positioning mechanism and a second positioning mechanism, the first positioning mechanism includes a positioning drive mechanism and two fourth clamping members connected to the positioning drive mechanism and arranged oppositely along the second direction, the conveyor belt of the first conveyor belt is located between the two fourth clamping members, and the first positioning mechanism is arranged at the position where the station one is located; the second positioning mechanism is a sensor, which is arranged between the station one and the station two; The loading and transporting mechanism transports the battery cells positioned by the positioning device at the positioning station to the carrying platform at the loading station.

17. The laser induced sintering processing device for photovoltaic cells according to any one of claims 1 to 16, characterized in that: The loading and handling mechanism includes a first rotary drive actuator, a first rotating arm connected to the first rotary drive actuator, and a first suction cup connected to the end of the first rotating arm. The first rotary drive actuator is used to drive the first suction cup to move back and forth between the loading station and the positioning station. The first rotating arm is a straight-line handling arm.

18. The laser induced sintering processing device for photovoltaic cells according to claim 17, characterized in that: It also includes a cache box located on the side of the positioning conveyor belt, the cache box is located on the rotation path of the loading and transporting mechanism, the cache box is used to cache battery cells, and the loading and transporting mechanism is also used to drive the first suction cup to move back and forth between the positioning station and the cache box.

19. The laser induced sintering processing device for photovoltaic cells according to any one of claims 1 to 16, characterized in that: A material unloading station located after the processing station is also provided on the rotation path of the rotary drive mechanism, and a material unloading conveying mechanism and a material unloading rotating conveying arm are provided corresponding to the material unloading station, and the material unloading rotating conveying arm includes a second rotary drive actuator, a second rotating arm connected to the second rotary drive actuator, and a second suction cup connected to the end of the second rotating arm, the second rotary drive actuator is used to drive the second suction cup to move back and forth between the material unloading station and the material unloading conveying mechanism, and the second rotating arm is a straight-line conveying arm.

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