Battery string arrangement welding processing system

Abstract

The invention relates to the technical field of photovoltaic cell processing equipment, in particular to a cell string arrangement welding processing system which comprises a conveying rack, a conveying belt is movably installed in the conveying rack and used for conveying photovoltaic cell pieces in the welding process, a welding strip is placed on the photovoltaic cell pieces, and the conveying belt is used for conveying the photovoltaic cell pieces in the welding process. A positioning pressing tool is arranged at the top of the conveying belt and used for positioning the welding strip. The welding strip positioning device has the beneficial effects that in the process that a welding strip is positioned and placed through the positioning pressing tool, the adjusting abutting rod is blocked by the welding strip in the downward moving process to drive the driving column to move in the driven sleeve, the driving column can synchronously drive the driven sleeve to rotate when moving, and then the height positions of the movable transverse rod and the pressing claw assembly are adjusted; according to the position of the top of the welding strip, the downward pressure applied by the pressing claw assembly to the welding strip is adjusted in a self-adaptive mode, it is guaranteed that the welding strip can make close contact with a grid line, and meanwhile photovoltaic cell pieces and the welding strip are prevented from being damaged due to too large stress.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of photovoltaic cell processing equipment, in particular to a cell string arrangement and welding processing system. BACKGROUND

[0002] In a solar cell panel production process, a multi-main-grid string welding process is usually used to string weld cell pieces. In the cell piece string welding process, a plurality of mechanical arms cooperatively place cell pieces, welding strips and pressing tools on a conveying belt, so that the front end of the welding strip is located on the grid line on the back surface of the front cell piece, and the rear end is located on the grid line on the front surface of the rear cell piece, and the welding strip is pressed on the cell piece by the pressing tool. In the conveying process of the cell piece and the welding strip by the conveying belt, the welding strip is heated by a heating mechanism, so that the solder on the welding strip melts, and after cooling, the welding strip is welded on the grid line of the cell piece, so that the cell pieces are welded into a string.

[0003] For example, the invention with the publication number CN111774795B discloses a pressing tool, which comprises a tool frame and a plurality of needle rows arranged on the tool frame. Each needle row comprises a plurality of needles arranged in a straight line, and each needle row is configured to press a welding strip. For each needle row, the needle at the middle position of the needle row is elastically connected to the tool frame, and the elasticity of the needle at the front end of the needle row is smaller than that of the needle at the middle position of the needle row. When the welding strip is pressed and positioned, the problem of deformation or damage of the welding strip can be effectively prevented.

[0004] In the above-mentioned patent, the needle is movably mounted on the pressing tool and applies a spring force to the welding strip. In the prior art, the pressing tool for pressing the welding strip is generally fixed on the conveying belt by magnetic attraction or other methods after being placed on the conveying belt. Therefore, when the welding strip and the cell piece are at different heights, the pressure applied to the welding strip and the cell piece by the spring-pressed needle is different. In the prior art, in order to improve the positioning effect of the cell piece on the conveying belt, a positioning tool for positioning the cell piece is arranged on the conveying belt in addition to the pressing tool for pressing the welding strip from above. However, the height of the positioning tool varies for different specifications and types of cell pieces. The change in the height of the tool and the change in the specifications and thickness of the welding strip and the cell piece will cause a large change in the pressure applied to the welding strip and the cell piece. The spring-pressed needle form cannot adaptively adjust the pressure applied to the welding strip and the photovoltaic cell according to the height position of the welding strip and the photovoltaic cell. Therefore, there is an urgent need for a cell string arrangement and welding processing system to solve the above problems. SUMMARY

[0005] The purpose of the present application is to provide a cell string arrangement and welding processing system to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above object, the present application provides the following technical scheme: a battery string arrangement welding processing system, comprising a conveying frame, a conveying belt movably mounted in the conveying frame, used for conveying photovoltaic cells during welding, a welding strip placed on the photovoltaic cells, and a positioning press provided on the top of the conveying belt, used for positioning the welding strip.

[0007] The positioning press comprises a press base plate and a movable cross bar movably mounted on the press base plate, and a press jaw assembly for pressing the welding strip is clamped on the movable cross bar.

[0008] The positioning press further comprises an adaptive adjusting assembly, which is in transmission connection with the movable cross bar.

[0009] After the positioning press is placed on the top of the conveying belt, the bottom of the adaptive adjusting assembly abuts against the top of the welding strip; the adaptive adjusting assembly can adaptively adjust the height of the movable cross bar according to the position of the top of the welding strip, and the movable cross bar drives the press jaw assembly to move to change the pressing force of the press jaw assembly on the welding strip.

[0010] Preferably, a servo motor is fixedly mounted at one end of the conveying frame outside, used for providing power for the rotation of the conveying belt, and a heating mechanism is provided at the middle of the top end of the conveying frame, used for welding the welding strip on the photovoltaic cells.

[0011] Preferably, the adaptive adjusting assembly comprises a fixed cross bar provided on the press base plate, a driven sleeve rotatably mounted on the top of the fixed cross bar, a driving column provided at the bottom of the driven sleeve, and an adjusting abutting rod detachably mounted at the bottom end of the driving column.

[0012] Preferably, the outer part of the driving column and the bottom end of the driven sleeve are provided with mutually matched spiral grooves, the driving column and the driven sleeve are in transmission connection through the spiral grooves, and the driven sleeve and the movable cross bar are in threaded connection.

[0013] Preferably, the adjusting abutting rod is located at the side of the driving column close to the inside of the press base plate, and the adjusting abutting rod is perpendicular to the moving direction of the photovoltaic cells.

[0014] Preferably, the press jaw assembly is provided parallel to the welding strip, and the press jaw assembly comprises a pressing section and clamping sections at both ends of the pressing section, the pressing section is in a wave shape as a whole, and the clamping sections are in a U shape as a whole.

[0015] Preferably, the side of the movable cross bar close to the inside of the press base plate is provided with a clamping seat matched with the press jaw assembly, and the clamping seat is provided with clamping grooves matched with the clamping sections and arrayed, and the left and right sides of the pressing section are both provided with partition columns.

[0016] Preferably, a reset pressing frame is movably mounted on the top of the pressing base plate, and a reset column is arranged at the bottom of the reset pressing frame to press the driving column.

[0017] Preferably, a locking assembly is arranged on the pressing base plate to lock the positioning pressing frame on the conveying belt, and the locking assembly comprises a locking column fixedly mounted on the conveying belt, a locking clamping plate movably mounted in the pressing base plate, and a spring pin threadedly connected to the pressing base plate.

[0018] Preferably, the spring pin is inserted into the locking clamping plate near the end of the pressing base plate, and the locking clamping plate is internally provided with a locking clamping groove matched with the locking column.

[0019] In the above technical solution, the beneficial effects of the present application are as follows: during the process of positioning and placing the solder strip by the positioning pressing frame, the driving column is moved in the driven sleeve when the adjusting abutment is blocked by the solder strip during the downward movement, the driving column can synchronously drive the driven sleeve to rotate when moving, thereby adjusting the height position of the movable cross bar and the pressing jaw assembly, realizing self-adaptive adjustment of the pressing force of the pressing jaw assembly on the solder strip according to the position of the top of the solder strip, ensuring that the solder strip can be in close contact with the grid line, and avoiding damage of the photovoltaic cell and the solder strip due to excessive force.

[0020] It should be understood that the foregoing general description and the following detailed description are only exemplary and explanatory, rather than limiting the present disclosure.

[0021] The present application file provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art based on these drawings.

[0023] Figure 1 It is a structural schematic view of the overall combination of the present application;

[0024] Figure 2 It is a structural schematic view of the inside of the conveying frame of the present application;

[0025] Figure 3 It is a structural schematic view of the positioning pressing frame cooperating with the conveying belt of the present application;

[0026] Figure 4 It is a structural schematic view of the positioning pressing frame cooperating with the photovoltaic cell of the present application;

[0027] Figure 5 The structure schematic diagram of the positioning presser overall body of the present application;

[0028] Figure 6 The structure schematic diagram of the positioning presser overall body of the present application;

[0029] Figure 7 The structure schematic diagram of the presser claw assembly overall body of the present application;

[0030] Figure 8 The structure schematic diagram of the clamping section and the clamping groove cooperation of the present application;

[0031] Figure 9 The structure schematic diagram of the presser claw assembly parallel combination after the present application is viewed from above;

[0032] Figure 10 The structure schematic diagram of the presser claw assembly of the present application is viewed from above;

[0033] Figure 11 The structure schematic diagram of the present application is viewed from above as a wave shape;

[0034] Figure 12 The structure schematic diagram of the installation position of the locking assembly of the present application;

[0035] Figure 13 The structure schematic diagram of the locking assembly overall body of the present application.

[0036] Explanation of reference signs:

[0037] In the figure: 1, installation rack; 2, conveying rack; 3, conveying belt; 4, servo motor; 5, heating mechanism; 6, photovoltaic cell piece; 7, solder strip; 8, positioning presser; 81, presser base plate; 82, fixed cross bar; 83, driven sleeve; 84, driving column; 85, adjusting abutting rod; 86, movable cross bar; 87, clamping seat; 871, clamping groove; 88, presser claw assembly; 881, clamping section; 882, elastic section; 883, abutting section; 884, separation column; 89, reset press frame; 810, positioning column; 811, reset column; 812, locking assembly; 8121, locking clamp plate; 8122, spring pin; 8123, locking column; 9, positioning tool. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical scheme and advantages of the embodiments of the present disclosure clearer, the technical scheme of the embodiments of the present disclosure will be described clearly and completely below in combination with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative labor belong to the scope of protection of the present disclosure.

[0039] Please refer to Figures 1-13 The embodiment of the present application provides a technical scheme: a battery string arrangement welding processing system, comprising a conveying rack 2, a conveying belt 3 movably installed in the inside of the conveying rack 2, used for conveying photovoltaic cell pieces 6 in a welding process, further comprising a mounting rack 1, the conveying rack 2 is fixedly installed on the top of the mounting rack 1, a solder strip 7 is placed on the photovoltaic cell piece 6, a positioning press 8 is arranged on the top of the conveying belt 3, used for positioning the solder strip 7, a uniform distribution of positioning tooling 9 is fixedly installed on the conveying belt 3, used for positioning the photovoltaic cell piece 6, the positioning tooling 9 is prior art, and the principle and use process will not be repeated here;

[0040] The positioning press 8 comprises a press base plate 81 and a movable cross bar 86 movably installed on the press base plate 81, and a press jaw assembly 88 for pressing the solder strip 7 is clamped on the movable cross bar 86;

[0041] The positioning press 8 further comprises a self-adaptive adjusting assembly, and the self-adaptive adjusting assembly is in transmission connection with the movable cross bar 86;

[0042] After the positioning press 8 is placed on the top of the conveying belt 3, the bottom of the self-adaptive adjusting assembly abuts against the top of the solder strip 7; the self-adaptive adjusting assembly can adaptively adjust the height of the movable cross bar 86 according to the position of the top of the solder strip 7, and the movable cross bar 86 drives the press jaw assembly 88 to move, so that the press jaw assembly 88 can change the pressing force applied to the solder strip 7.

[0043] In the string welding process, the photovoltaic cell piece 6 in the string welding is conveyed by the conveying belt 3, a plurality of mechanical arms in the prior art are controlled by a control system to cooperate with each other, the photovoltaic cell piece 6 and the solder strip 7 are placed in the positioning tooling 9, the positioning press 8 is pressed on the solder strip 7 and the photovoltaic cell piece 6, the front end of the solder strip 7 is located on the grid line on the back surface of the front cell piece, and the rear end is located on the grid line on the front surface of the rear cell piece, the solder strip 7 after being placed is pressed tightly on the photovoltaic cell piece 6 by the positioning press 8, the solder strip 7 is positioned, the conveying belt 3 conveys the arranged photovoltaic cell piece 6, the solder strip 7 and the positioning press 8 to the position of a heating mechanism 5, the heating mechanism 5 heats the solder strip 7, the solder on the solder strip 7 melts, and after the solder strip 7 leaves the heating mechanism 5, the solder re-solidifies, the solder strip 7 is welded on the grid line of the photovoltaic cell piece 6, and a plurality of photovoltaic cell pieces 6 are welded into a string.

[0044] Specifically, after the photovoltaic cell 6 and the welding strip 7 are arranged in the positioning tool 9 on the conveying belt 3 by the mechanical arm in the prior art, before the arranged photovoltaic cell 6 enters the bottom of the heating mechanism 5, the positioning clamp 8 is clamped by the mechanical arm, the positioning clamp 8 is pressed on the top of the arranged photovoltaic cell 6 and the welding strip 7, and the arranged photovoltaic cell 6 and the welding strip 7 are positioned by the positioning clamp 8; during the placement of the positioning clamp 8, the adjusting abutment rod 85 is lowered to contact the welding strip 7, the adjusting abutment rod 85 is blocked by the welding strip 7 to drive the driving column 84 to move in the driven sleeve 83, the driving column 84 is screw-connected with the driven sleeve 83, the driving column 84 cannot rotate, the driving column 84 can synchronously drive the driven sleeve 83 to rotate when the driving column 84 moves in the driven sleeve 83, the driven sleeve 83 is screw-connected with the movable cross rod 86, the driven sleeve 83 can drive the movable cross rod 86 to move upward when the driven sleeve 83 rotates, the height position of the movable cross rod 86 and the pressing jaw assembly 88 is adjusted, and the downward pressure of the pressing jaw assembly 88 on the welding strip 7 is adaptively adjusted according to the height position of the photovoltaic cell 6 and the welding strip 7.

[0045] Compared with the prior art, the battery string arrangement and welding processing system provided in the embodiment of the application has the following advantages: during the positioning and placement of the welding strip 7 by the positioning clamp 8, the adjusting abutment rod 85 is lowered to contact the welding strip 7, the adjusting abutment rod 85 is blocked by the welding strip 7 to drive the driving column 84 to move in the driven sleeve 83, the driving column 84 can synchronously drive the driven sleeve 83 to rotate when the driving column 84 moves, and then the height position of the movable cross rod 86 and the pressing jaw assembly 88 is adjusted, the downward pressure of the pressing jaw assembly 88 on the welding strip 7 is adaptively adjusted according to the position of the top of the welding strip 7, the welding strip 7 can be in close contact with the grid line, and the photovoltaic cell 6 and the welding strip 7 are prevented from being damaged due to excessive force.

[0046] As a preferred technical solution of the embodiment, one end of the conveying rack 2 is fixedly provided with a servo motor 4 for providing power for the rotation of the conveying belt 3, and the middle part of the top of the conveying rack 2 is provided with a heating mechanism 5 for welding the welding strip 7 on the photovoltaic cell 6. Specifically, the servo motor 4 and the heating mechanism 5 are both prior art, and are controlled by a control system in the prior art. The servo motor 4 can drive the conveying belt 3 to rotate, and the arranged photovoltaic cell 6, the welding strip 7 and the positioning clamp 8 are conveyed; the heating mechanism 5 can heat the photovoltaic cell 6 and the welding strip 7 entering the bottom of the heating mechanism 5, so that the solder on the welding strip 7 is melted, and the solder is re-solidified after the welding strip 7 leaves the heating mechanism 5, so as to realize the welding of the welding strip 7 on the grid line of the photovoltaic cell 6.

[0047] As a preferred technical solution of the embodiment, the adaptive adjusting assembly comprises a fixed crossbar 82 arranged on the pressing base plate 81, a driven sleeve 83 rotatably arranged at the top of the fixed crossbar 82, a driving column 84 arranged at the bottom of the driven sleeve 83, and an adjusting abutting rod 85 detachably arranged at the bottom end of the driving column 84. Specifically, the adaptive adjusting assembly is arranged at the front and rear ends of the pressing base plate 81, and the adaptive adjusting assembly is used to adjust the downward pressure applied by the pressing jaw assembly 88 on the solder strip 7 according to the height position of the two ends of the solder strip 7 on the top of the photovoltaic cell 6, so as to ensure that the solder strip 7 is in close contact with the grid line and avoid damage to the photovoltaic cell 6 and the solder strip 7 due to excessive force. During the placement process, the adjusting abutting rod 85 moves downward and first contacts the solder strip 7. The adjusting abutting rod 85 is blocked by the solder strip 7 and drives the driving column 84 to move in the driven sleeve 83. When the driving column 84 moves in the driven sleeve 83, the driven sleeve 83 can be synchronously driven to rotate. Meanwhile, the driven sleeve 83 can drive the movable crossbar 86 to move upward when the driven sleeve 83 rotates, so as to adjust the height position of the movable crossbar 86 and the pressing jaw assembly 88.

[0048] As a preferred technical solution of the embodiment, the driving column 84 and the bottom end of the driven sleeve 83 are provided with mutually matched spiral grooves, the driving column 84 and the driven sleeve 83 are connected through the spiral grooves, the driven sleeve 83 and the movable crossbar 86 are connected in a threaded manner, specifically, the thread angle of the spiral groove at the connection position of the driving column 84 and the driven sleeve 83 is greater than the equivalent friction angle, and the driving column 84 and the driven sleeve 83 cannot be self-locked. The driving column 84 and the driven sleeve 83 are connected in a threaded manner and are not self-locked, and the driving column 84 cannot rotate. When the driving column 84 moves in the driven sleeve 83, the driving column 84 can synchronously drive the driven sleeve 83 to rotate. The thread angle of the thread at the connection position of the driven sleeve 83 and the movable crossbar 86 is less than the equivalent friction angle, and the movable crossbar 86 and the driven sleeve 83 can be self-locked. The driven sleeve 83 and the movable crossbar 86 are connected in a threaded manner. When the driven sleeve 83 rotates, the movable crossbar 86 can be driven to move. The moving direction of the adjusting abutting rod 85 and the movable crossbar 86 is controlled by the rotation direction of the external spiral groove of the driving column 84 and the rotation direction of the external thread of the driven sleeve 83, so as to ensure that the movable crossbar 86 drives the pressing jaw assembly 88 to synchronously move upward when the adjusting abutting rod 85 moves upward. The movable crossbar 86 and the driven sleeve 83 can be self-locked, so as to ensure the stability of the position adjustment of the movable crossbar 86. The gravity of the movable crossbar 86 and the pressing jaw assembly 88 is transmitted to the pressing base plate 81 through the driven sleeve 83 and the fixed crossbar 82, so as to avoid the gravity of the movable crossbar 86 and the pressing jaw assembly 88 acting on the driving column 84 and causing excessive force on the end of the solder strip 7.

[0049] As a preferred technical scheme of the embodiment, the adjusting abutting rods 85 are located on the side of the driving column 84 close to the inside of the pressing base plate 81, and the adjusting abutting rods 85 are perpendicular to the moving direction of the photovoltaic cell 6. Specifically, the adjusting abutting rods 85 in the two groups of self-adapting adjusting assemblies can self-adaptively adjust the downward pressing force of the pressing jaw assembly 88 on the welding band 7 according to the height positions of the two ends of the welding band 7. Meanwhile, the two groups of adjusting abutting rods 85 can abut against the two ends of the welding band 7 to assist in positioning the welding band 7.

[0050] In another embodiment of the present application, the pressing jaw assembly 88 is parallel to the welding band 7, and the pressing jaw assembly 88 comprises abutting segments 883 and clamping segments 881 located at the two ends of the abutting segments 883. The abutting segments 883 are in a wave shape, and the clamping segments 881 are in a U shape. Specifically, the abutting segments 883 are in a wave shape, and can form multiple abutting positions at the bottom to abut against and position the welding band 7 at multiple positions. The clamping segments 881 at the two ends of the abutting segments 883 can detachably install the pressing jaw assembly 88 on the movable cross rod 86, so as to ensure the stable position of the pressing jaw assembly 88 during working and facilitate the adjustment of the installation position. The elastic segments 882 are arranged between the clamping segments 881 and the abutting segments 883, and the elastic segments 882 can be deformed under stress, so as to improve the abutting and positioning effect of the abutting segments 883 on the welding band 7. The V-shaped grooves are formed in the positions of the abutting segments 883 abutting against the welding band 7, so as to effectively abut against the welding band with a rectangular or circular cross section.

[0051] In the prior art, the number of grid lines on different photovoltaic cells 6 is different, and with the increase of the number of grid lines, the width of the grid lines gradually decreases. If the installation position and the top view coverage area of the pressing jaw assembly 88 are fixed, it is difficult to adapt to different numbers and different widths of grid lines. Therefore, the following embodiments are proposed to solve the above problems.

[0052] In still another embodiment provided by the present application, the movable cross bar 86 is provided with a clamping seat 87 matched with the pressing claw assembly 88 on the inner side of the pressing base plate 81, and the clamping seat 87 is provided with clamping grooves 871 matched with clamping segments 881 and arranged in an array, and the left and right sides of the pressing segment 883 are provided with partition columns 884. Specifically, the clamping segments 881 are clamped in the clamping grooves 871, so that the overall position of the pressing claw assembly 88 can be fixed, the clamping segments 881 are retracted inward, and the clamping segments 881 can be taken out along the clamping grooves 871. According to the position of the grid line on the photovoltaic cell 6, the installation number and installation position of the pressing claw assembly 88 can be adaptively adjusted. When the grid line width is narrow, the pressing claw assembly 88 is used independently, and when the grid line width exceeds the thickness of the single pressing claw assembly 88, according to the width of the grid line, the pressing claw assembly 88 is used in multiple groups in parallel, so that the parallel pressing claw assembly 88 can fully cover the solder strip 7, and the position of the solder strip 7 is fixed. It should be noted that, in order to avoid the blocking of the top infrared light source by the parallel pressing claw assembly 88, the partition columns 884 are arranged on the left and right sides of the pressing segment 883, so that the parallel pressing claw assembly 88 has a gap therebetween, the blocking of the infrared light source is reduced, and the solder strip 7 can be uniformly heated. It should be further noted that, as shown in Figure 10 the pressing segment 883 can also be provided with a wave-shaped structure in plan view, which can also ensure that the parallel pressing claw assembly 88 has a gap therebetween.

[0053] In still another embodiment provided by the present application, the top of the pressing base plate 81 is movably provided with a reset pressing frame 89, and the bottom of the reset pressing frame 89 is provided with a reset column 811 for pressing reset of the driving column 84. Specifically, the four corners of the bottom of the reset pressing frame 89 are provided with positioning columns 810 movably connected with the pressing base plate 81, and the reset column 811 is initially inserted into the driven sleeve 83. When the positioning pressing device 8 is placed on the top of the conveying belt 3 to position the solder strip 7, the bottom of the positioning column 810 is in advance in contact with the conveying belt 3, and in the process of moving downward and placing the pressing base plate 81, the reset column 811 is extracted from the driven sleeve 83, so that the driving column 84 is not subjected to external force. After the solder strip 7 positioned by the positioning pressing device 8 is welded, when the mechanical arm clamping the positioning pressing device 8 is separated from the photovoltaic cell 6 and the solder strip 7, the reset pressing frame 89 is reset by gravity, the reset column 811 is re-inserted into the driven sleeve 83, the driving column 84 is pressed and reset, and the subsequent use is facilitated.

[0054] From the above embodiments, in order to ensure that the positioning pressing device 8 can adaptively adjust the assembly, the movable cross bar 86 and the pressing claw assembly 88 can stably work when the solder strip 7 is positioned, and the pressing base plate 81 needs to be in a fixed state during use, the following embodiments are proposed to solve the above problems.

[0055] In still another embodiment of the present application, the locking assembly 812 is arranged on the press base plate 81 and used to lock the positioning press 8 on the conveying belt 3. The locking assembly 812 comprises a locking post 8123 fixedly arranged on the conveying belt 3, a locking clamping plate 8121 movably arranged in the press base plate 81, and a spring pin 8122 threadedly connected to the press base plate 81. Specifically, the locking assembly 812 is arranged at both left and right ends of the press base plate 81. The mechanical arm of the prior art clamps both left and right ends of the press base plate 81 to realize the carrying of the whole positioning press 8. When the left and right ends of the press base plate 81 are clamped, the two locking assemblies 812 are squeezed to open. The locking clamping plate 8121 is squeezed to overcome the elastic force of the spring pin 8122 and is retracted into the press base plate 81, leaving a space for the locking post 8123 to enter the locking clamping plate 8121. After the press base plate 81 is placed on the top of the conveying belt 3, the locking post 8123 can be clamped into the locking clamping plate 8121 along the bottom of the press base plate 81.

[0056] As a preferred technical solution of the present embodiment, the spring pin 8122 is inserted into the locking clamping plate 8121 near the outer end of the press base plate 81. The locking clamping plate 8121 is internally provided with a locking clamping groove matched with the locking post 8123. Specifically, after the press base plate 81 is placed on the top of the conveying belt 3, the mechanical arm is detached from the press base plate 81. At this time, the spring pin 8122 exerts an elastic force on the locking clamping plate 8121 to reset the locking clamping plate 8121. The locking clamping groove in the locking clamping plate 8121 is clamped on the outer side of the end of the locking post 8123 to realize the locking between the locking clamping plate 8121 and the locking post 8123, and further realize the locking of the press base plate 81 on the conveying belt 3.

[0057] The application discloses a battery string arrangement welding processing system, which is used to arrange photovoltaic cells 6 and welding strips 7 on a positioning tool 9 on a conveying belt 3 through a mechanical arm in the prior art, position the photovoltaic cells 6 through the positioning tool 9, and make the front end of the welding strip 7 located on the grid line on the back surface of the front cell and the rear end of the welding strip 7 located on the grid line on the front surface of the rear cell; then the positioning press 8 is clamped through the mechanical arm, the positioning press 8 is pressed on the top of the arranged photovoltaic cells 6 and the welding strip 7, and the arranged photovoltaic cells 6 and the welding strip 7 are positioned through the positioning press 8; in the initial state, the adjusting abutting rod 85 is located at the lowermost position in the driven sleeve 83, at this time, the pressing claw assembly 88 is at the lowest position, the bottom of the abutting section 883 is located at the bottom of the adjusting abutting rod 85 0.5-1 mm, and the abutting section 883 can be abutted on the welding strip 7 under the elastic force of the elastic section 882; during the placing process of the positioning press 8, the actions of the self-adapting adjusting assembly and the locking assembly 812 are synchronously performed; the adjusting abutting rod 85 is in contact with the welding strip 7 during the downward movement and is driven to shrink into the driven sleeve 83 under the blockage of the welding strip 7, the driving column 84 and the driven sleeve 83 are screw-connected, the driving column 84 cannot rotate and thus drives the driven sleeve 83 to rotate during the movement, the driven sleeve 83 and the movable cross rod 86 are screw-connected, the driven sleeve 83 can drive the movable cross rod 86 to move upward during the rotation, the height position of the movable cross rod 86 and the pressing claw assembly 88 is adjusted, the downward pressing force of the pressing claw assembly 88 on the welding strip 7 is self-adaptively adjusted according to the height position of the photovoltaic cells 6 and the welding strip 7; the movement speed between the driving column 84 and the movable cross rod 86 is 1:1, so that the bottom of the adjusting abutting rod 85 and the bottom of the abutting section 883 always have 0.5-1mm gap, make the pressure section 883 on the solder strip 7 after the pressure, and under the elastic section 882 elastic force guarantee the effect of pressure; when the positioning press 8 on the solder strip 7 positioning placed, the positioning column 810 bottom in advance with the conveying belt 3 contact, the position of the reset pressure frame 89 limit, the pressure frame 89 and the pressure plate 81 between the relative position changes in the process of moving down, reset column 811 along from the driven sleeve 83, remove the pressure on the drive column 84, so that the drive column 84 is not affected by external force; after the welding is completed, the positioning press 8 is gripped along the conveying belt 3 up, reset pressure frame 89 under the action of gravity back to reset, reset column 811 reinserted into the driven sleeve 83, the drive column 84 is pressed reset, facilitate subsequent use; when the mechanical arm on the positioning press 8 clamping to the conveying belt 3 position placed, the mechanical arm on the pressure plate 81 both ends clamping, two groups of locking components 812 extrusion open, locking clamp plate 8121 extrusion overcome the elastic force of spring pin 8122 to the pressure plate 81 back, the bottom of the pressure plate 81 and the locking column 8123 cooperate with the hole open, when the pressure plate 81 placed on the top of the conveying belt 3, the locking column 8123 can be inserted into the pressure plate 81 along the hole, and make the locking column 8123 top clamping locking clamp plate 8121, the pressure plate 81 placed in the mechanical arm, spring pin 8122 on the locking clamp plate 8121 exert the elastic force, make the locking clamp plate 8121 reset, the locking clamp plate 8121 on the locking card groove clamping in the outer side of the locking column 8123 end, realize the locking of the pressure plate 81 on the conveying belt 3; the pressure jaw assembly 88 as a whole through the clamping section 881 and the clamping groove 871, can be detachable installed in the clamping seat 87, can be according to the position of the solder strip 7 on the photovoltaic cell 6 on the installation quantity and the installation position of the positioning press 8 to adjust, at the same time according to the width of the solder strip 7, the pressure jaw assembly 88 is used in parallel, so that the parallel pressure jaw assembly 88 can cover the solder strip 7, realize the firm positioning of the solder strip 7, the adjacent pressure jaw assembly 88 is provided with the partition column 884, so that the gap between the parallel pressure jaw assembly 88 reduces the block of the heating light source.

[0058] The above only describes certain exemplary embodiments of the application by way of illustration, without doubt, for those skilled in the art, the described embodiments can be modified in various ways without departing from the spirit and scope of the application. Therefore, the above figures and description are illustrative in nature and should not be construed as limiting the scope of the claims of the application.

Claims

1. A battery string arrangement welding processing system, comprising a conveyor frame (2), wherein a conveyor belt (3) is movably installed inside the conveyor frame (2) for conveying photovoltaic cells (6) during welding, wherein a welding belt (7) is placed on the photovoltaic cells (6), characterized in that: A positioning press (8) is provided on the top of the conveyor belt (3) for positioning the welding belt (7); The positioning press (8) comprises a press base (81) and a movable crossbar (86) movably mounted on the press base (81), wherein a pressure claw assembly (88) for pressing the welding strip (7) is clamped on the movable crossbar (86); The positioning press (8) further includes an adaptive adjustment component, which is transmission-connected to the movable crossbar (86); After the positioning press (8) is placed on the top of the conveyor belt (3), the bottom of the adaptive adjustment component abuts against the top of the welding strip (7); the adaptive adjustment component can adaptively adjust the height of the movable cross bar (86) according to the position of the top of the welding strip (7), and the movable cross bar (86) drives the pressure claw component (88) to move, which can change the downward pressure applied by the pressure claw component (88) on the welding strip (7).

2. A battery string arrangement welding processing system according to claim 1, characterized in that: A servo motor (4) is fixedly mounted on one end of the outside of the conveyor frame (2) for providing power for the rotation of the conveyor belt (3). A heating mechanism (5) is provided in the middle of the top end of the conveyor frame (2) for welding the welding strip (7) to the photovoltaic cell (6).

3. A battery string arrangement welding processing system according to claim 1, characterized in that: The adaptive adjustment component comprises a fixed crossbar (82) arranged on a press base plate (81), a driven sleeve (83) is rotatably mounted on the top of the fixed crossbar (82), a driving column (84) is arranged at the bottom of the driven sleeve (83), and an adjustment lever (85) is detachably mounted on the bottom end of the driving column (84).

4. A battery string arrangement welding processing system according to claim 3, characterized in that: The outside of the driving column (84) and the bottom end of the driven sleeve (83) are provided with spiral grooves that cooperate with each other. The driving column (84) and the driven sleeve (83) are connected by the spiral grooves, and the driven sleeve (83) and the movable crossbar (86) are connected by threads.

5. A battery string arrangement welding processing system according to claim 3, characterized in that: The adjusting lever (85) is located as a whole on a side of the driving column (84) close to the inside of the pressing tool substrate (81), and the adjusting lever (85) is as a whole perpendicular to the moving direction of the photovoltaic cell (6).

6. A battery string arrangement welding processing system according to claim 1, characterized in that: The pressing claw assembly (88) is arranged parallel to the welding strip (7), and the pressing claw assembly (88) comprises a pressing section (883) and a clamping section (881) located at both ends of the pressing section (883); the pressing section (883) is wavy in shape as a whole, and the clamping section (881) is U-shaped as a whole.

7. A battery string arrangement welding processing system according to claim 6, characterized in that: A clamping seat (87) cooperating with the pressing claw assembly (88) is provided on one side of the movable crossbar (86) close to the interior of the pressing tool base plate (81), and the clamping seat (87) is provided with clamping grooves (871) cooperating with the clamping section (881) and distributed in an array, and partition columns (884) are provided on both the left and right sides of the pressing section (883).

8. The battery string arrangement welding processing system according to claim 1, characterized in that: A reset press frame (89) is movably mounted on the top of the press base plate (81), and a reset column (811) is provided at the bottom of the reset press frame (89) for pressing and resetting the driving column (84).

9. A battery string arrangement welding processing system according to claim 1, characterized in that: A locking assembly (812) is provided on the press base plate (81) for locking the positioning press (8) on the conveyor belt (3). The locking assembly (812) comprises a locking column (8123) fixedly mounted on the conveyor belt (3), a locking clamp (8121) movably mounted inside the press base plate (81), and a spring pin (8122) threadedly connected to the press base plate (81).

10. A battery string arrangement welding processing system according to claim 9, characterized in that: One end of the spring pin (8122) close to the outside of the press base plate (81) is inserted into the locking clamp (8121), and a locking slot cooperating with the locking column (8123) is provided inside the locking clamp (8121).

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