Back-contact main-grid-free battery string production device

Abstract

The utility model relates to a back-contact main-grid-free battery string production device, which structurally comprises a solder strip platform, a skin film platform and an interaction module, a pair of series modules is arranged on the interaction module, each series module comprises a solder strip platform and a skin film platform, and the solder strip platform and the skin film platform are arranged on the interaction module. The skin film platform and the welding strip platform are mounted on the relative rotation driving mechanism; the welding strip platform receives the welding strips carried by the carrying module and comprises restoration mechanisms and ejector pin mechanisms, the ejector pin mechanisms are distributed on the welding strip platform in an array mode, and the restoration mechanisms are arranged between the adjacent ejector pin mechanisms; the skin membrane platform is used for bearing the slit skin membrane section, a heating rod and a thermocouple are arranged in the skin membrane platform, a plurality of air channels which are arranged in parallel at intervals are also formed in the skin membrane platform, and a plurality of vacuum adsorption holes are uniformly formed in the surface of the skin membrane platform corresponding to the air channels. The welding strip positioning device has the advantages of being reasonable in structural design, solving the problems of poor welding strip positioning accuracy, welding strip deformation and the like, and being capable of improving the series connection quality and efficiency of battery strings.

Description

TECHNICAL FIELD

[0001] The utility model relates to a battery string production device, in particular to a back contact no main grid battery string production device. BACKGROUND

[0002] In the prior art, the stringing of the back contact no main grid battery string generally adopts the clamping jaw clamping mode to carry and position the welding strip, so as to realize the adhesion of the skin film, the welding strip and the battery piece.

[0003] In the process of clamping the welding strip to be transferred and positioned between the skin film and the battery piece, the welding strip is prone to deviation, torsion and bending, which causes the circuit to be poor after the photovoltaic module is welded; meanwhile, the clamping jaw is prone to adhesion with the activated skin film, and the accumulation of glue appears on the clamping jaw after adhesion for many times, which seriously affects the subsequent use. UTILITY MODEL CONTENT

[0004] The utility model provides a back contact no main grid battery string production device, which aims to overcome the above-mentioned deficiencies in the prior art, improve the positioning precision of the welding strip, reduce the deformation of the welding strip and improve the stringing quality and efficiency of the battery string.

[0005] The technical solution of the utility model: a back contact no main grid battery string production device, which comprises a welding strip platform, a skin film platform and an interaction module, wherein a pair of series connection modules are arranged on the interaction module, each series connection module comprises a welding strip platform and a skin film platform, the skin film platform and the welding strip platform are installed on a relative rotation driving mechanism; the welding strip platform receives the welding strip carried by a carrying module and comprises a correcting mechanism and a thimble mechanism, the thimble mechanism is arrayed on the welding strip platform, and the correcting mechanism is arranged between adjacent thimble mechanisms; the skin film platform receives the skin film segment after slitting, the skin film platform is internally provided with a heating rod and a thermocouple, a plurality of air channels are arranged in parallel and at intervals in the skin film platform, and a plurality of vacuum adsorption holes are uniformly arranged on the surface of the skin film platform corresponding to the air channels. The device can realize the interactive operation of the two series connection modules, and the two platforms can be attached by rotation. The correcting mechanism is used for correcting the position and preventing the welding strip from deviating and twisting; the thimble mechanism lifts the welding strip in the process of adhesion between the subsequent welding strip and the skin film, so that the welding strip contacts the skin film to complete the adhesion. The skin film platform has the functions of adsorption and heating, and can heat the skin film to be activated. After the vacuum adsorption holes open and adsorb the skin film after the vacuum is opened, the whole is turned over by 180 DEG to the upper side of the welding strip platform (the skin film platform is always heated). The thermocouple realizes temperature monitoring and control.

[0006] Preferably, the said rectification mechanism comprises an intermediate cylinder, a rocker arm, a rotating shaft, a cam block, a welding strip positioning plate and a connecting plate mounted on the mounting plate, the intermediate cylinder output end connects the rocker arm, the rocker arm is mounted in the middle of the rotating shaft, the rotating shaft two ends are respectively provided with two cam blocks arranged adjacently, the same side two cam blocks drive connect a pair of welding strip positioning plates to staggered opening and closing movement, the same side welding strip positioning plates are connected through the connecting plate to synchronous movement, the mounting plate two sides bottom are respectively provided with an output end vertical upward cylinder. The intermediate cylinder retracts and extends to drive the rocker arm, the rotating shaft and the cam block to rotate in turn. The cam block pushes the two welding strip positioning plates to staggered movement, that is, the opening and closing of the rectification mechanism, the welding strip positioning plates are connected through the intermediate connecting plate to synchronous movement, ensuring the welding strip positioning precision. The whole vertical movement is controlled by the cylinder, that is, the up and down movement of the welding strip rectification mechanism.

[0007] Preferably, the said needle mechanism comprises a needle, a needle mounting plate, a top rod, a movable plate and a vertical cylinder, the needle mounting plate is uniformly provided with a plurality of needles, the needle mounting plate two ends are connected with the lower movable plate through the top rod, and the movable plate two sides are connected with the vertical cylinder movable end. In work, the vertical cylinder retracts and extends to control the movable plate, the top rod and the needle in turn, so that the up and down movement of the needle mechanism is realized.

[0008] The utility model discloses the advantages are: reasonable structure design, solve the welding strip positioning precision poor, welding strip deformation and other problems, can improve the quality and efficiency of battery string interconnection. ACCURATE DRAWING

[0009] Figure 1 It is the structure schematic diagram of the back contact no main grid battery string production device of the utility model.

[0010] Figure 2 It is Figure 1 The structure schematic diagram of the middle welding strip platform.

[0011] Figure 3 It is Figure 1 The structure schematic diagram of the middle skin film platform.

[0012] Figure 4 It is Figure 1 The bottom structure schematic diagram of the rectification mechanism.

[0013] Figure 5 It is Figure 1 The structure schematic diagram of the needle mechanism.

[0014] 1 is a solder strip platform, 11 is a correction mechanism, 111 is a middle cylinder, 112 is a rocker arm, 113 is a rotating shaft, 114 is a cam block, 115 is a solder strip positioning plate, 116 is a connecting plate, 117 is a cylinder, 118 is a mounting plate, 12 is a ejector pin mechanism, 121 is an ejector pin, 122 is an ejector pin mounting plate, 123 is a ejector rod, 124 is a movable plate, 125 is a vertical cylinder, 2 is a skin film platform, 21 is a heating rod, 22 is a thermocouple, 23 is an air duct, 24 is a vacuum suction hole, 3 is an interactive module, 4 is a solder strip. DETAILED DESCRIPTION

[0015] The utility model will be explained in further detail below in combination with examples and specific embodiments.

[0016] As Figure 1 shown, a back contact no master grid cell string production device, its structure includes solder strip platform 1, skin film platform 2 and interactive module 3, wherein interactive module 3 is equipped with a pair of series connection module, and each series connection module includes a solder strip platform 1 and a skin film platform 2. Realize the interactive operation of two series connection module. Skin film platform 2 and solder strip platform 1 are installed on the relative rotation driving mechanism. It can be realized by rotating (or other ways) to adhere.

[0017] As Figure 2 shown, solder strip platform 1 receives the solder strip 4 carried by the carrying module, includes correction mechanism 11 and ejector pin mechanism 12, and the ejector pin mechanism 12 is arrayed on the solder strip platform 1, and the correction mechanism 11 is arranged between the adjacent ejector pin mechanism 12. Correction mechanism 11 is used for correcting position to prevent the offset and torsion of solder strip 4, and the ejector pin mechanism 12 lifts the solder strip 4 in the process of subsequent solder strip 4 and skin film bonding to make it contact the skin film to complete bonding.

[0018] As Figure 3 shown, skin film platform 2 receives the skin film section after slitting, and the skin film platform 2 is provided with a heating rod 21 and a thermocouple 22, and a plurality of air ducts 23 are arranged in parallel and at intervals in the skin film platform 2, and a plurality of vacuum suction holes 24 are uniformly arranged on the surface of the skin film platform 2 corresponding to the air ducts 53. The skin film platform 2 has the functions of suction and heating, and can heat the skin film to active viscosity. After the vacuum suction holes 24 are opened and the skin film is sucked after the vacuum is opened, the whole is turned over by 180 ° to the upper side of the solder strip platform 1 (the skin film platform is always heated). The thermocouple 51 realizes temperature monitoring and control.

[0019] As Figure 4As shown, the correcting mechanism 11 includes the intermediate cylinder 111, the rocker arm 112, the rotating shaft 113, the cam block 114, the welding strip positioning plate 115 and the connecting plate 116 mounted on the mounting plate 118. The output end of the intermediate cylinder 111 is connected with the rocker arm 112, the rocker arm 112 is mounted in the middle of the rotating shaft 113, the rotating shaft 113 is provided with two adjacent cam blocks 114 at both ends, the two cam blocks 114 on the same side are drivingly connected with a pair of welding strip positioning plates 115 for staggered opening and closing movement, the welding strip positioning plates 115 on the same side are synchronously connected through the connecting plate 116, and the bottom of the mounting plate 118 is provided with a vertically upward gas cylinder 117 at both sides. When the intermediate cylinder 111 is extended and retracted, the rocker arm 112, the rotating shaft 113 and the cam block 114 are sequentially driven to rotate. The cam block 114 pushes the two welding strip positioning plates 115 to move staggeredly, i.e. the opening and closing of the correcting mechanism 11, the welding strip positioning plates 115 are connected and synchronously moved through the intermediate connecting plate 116, so as to ensure the positioning precision of the welding strip. The vertical movement of the whole body is controlled by the gas cylinder 117, i.e. the up and down movement of the welding strip correcting mechanism 11.

[0020] As shown, Figure 5 The needle mechanism 12 includes the needle 121, the needle mounting plate 122, the top rod 123, the movable plate 124 and the vertical cylinder 125. The needle mounting plate 122 is uniformly provided with a plurality of needles 121, the needle mounting plate 122 is connected with the movable plate 124 below through the top rod 123 at both ends, and the movable plate 124 is connected with the movable end of the vertical cylinder 125 at both sides. In work, the vertical cylinder 125 is extended and retracted to sequentially control the movable plate 124, the top rod 123 and the needle 121, so as to realize the up and down movement of the needle mechanism 12.

[0021] In the whole work,

[0022] ①The arranged welding strip and the skin film are respectively transported to the corresponding platform;

[0023] ②The correcting mechanism 11 on the welding strip platform 1 corrects the welding strip 4;

[0024] ③The skin film platform 2 is always heated, the skin film is sucked by opening the vacuum, and the whole body is turned over by 180° to above the welding strip platform 1;

[0025] ④The needle mechanism 12 of the welding strip platform 1 lifts up the welding strip 4, and the welding strip 4 contacts with the skin film;

[0026] ⑤The welding strip platform 1 and the skin film platform 2 are simultaneously turned over by 180°, at this time, the skin film is below and the welding strip 4 is above;

[0027] ⑥The welding strip platform 1 is turned over by 180° to return to the initial position;

[0028] ⑦The battery piece with the pasted adhesive tape is transported to the skin film platform 2 as a whole;

[0029] 8. The interactive module 3 transfers the whole to another station;

[0030] 9. The blanking mechanism exerts a part of force on the adhesive tape and the battery piece before taking the battery piece, so that the adhesive tape and the battery piece are firmly adhered.

[0031] The above-mentioned components are all prior art, and a person skilled in the art can use any model and prior design that can realize the corresponding functions.

[0032] The preferred embodiments of the present application are described above, it should be pointed out that, for those skilled in the art, without departing from the creative concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application.

Claims

1. An apparatus for producing a back contact, ownerless grid cell string, characterized in that, The application relates to a welding strip and skin membrane platform, which comprises a welding strip platform (1), a skin membrane platform (2) and an interactive module (3), wherein the interactive module (3) is provided with a pair of series connection modules, each series connection module comprises a welding strip platform (1) and a skin membrane platform (2), the skin membrane platform (2) and the welding strip platform (1) are installed on a relative rotation driving mechanism; the welding strip platform (1) receives welding strips (4) carried by a carrying module and comprises a correcting mechanism (11) and a pin mechanism (12); the pin mechanism (12) is arrayed on the welding strip platform (1), and the correcting mechanism (11) is arranged between adjacent pin mechanisms (12); the skin membrane platform (2) receives skin membrane sections after cutting; the skin membrane platform (2) is internally provided with a heating rod (21) and a thermocouple (22); a plurality of air channels (23) are arranged in parallel and at intervals in the skin membrane platform (2); and a plurality of vacuum adsorption holes (24) are uniformly arranged on the surface of the skin membrane platform (2) corresponding to the air channels (23).

2. The apparatus for producing a back contact no main grid cell string according to claim 1, wherein, The correcting mechanism (11) comprises a middle air cylinder (111), a rocker arm (112), a rotating shaft (113), a cam block (114), a welding strip positioning plate (115) and a connecting plate (116) which are installed on a mounting plate (118); the output end of the middle air cylinder (111) is connected with the rocker arm (112); the rocker arm (112) is installed in the middle of the rotating shaft (113); two cam blocks (114) are arranged on the two ends of the rotating shaft (113) respectively; a pair of welding strip positioning plates (115) are driven and connected by the two cam blocks (114) on the same side and are staggered to open and close; the welding strip positioning plates (115) on the same side are synchronously and movably connected through the connecting plate (116); and the bottom of the two sides of the mounting plate (118) is respectively provided with a vertically upward air cylinder (117).

3. The apparatus for producing a back contact no main grid cell string according to claim 1, wherein The pin mechanism (12) comprises a pin (121), a pin mounting plate (122), a top rod (123), a movable plate (124) and a vertical air cylinder (125); a plurality of pins (121) are uniformly fixed on the pin mounting plate (122); the two ends of the pin mounting plate (122) are connected with the movable plate (124) below through the top rod (123); and the movable plate (124) is connected with the movable end of the vertical air cylinder (125) on the two sides.

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