CN114664976B - Welding strip adjusting and processing device, battery string production line and adjusting and processing method thereof - Google Patents
Welding strip adjusting and processing device, battery string production line and adjusting and processing method thereof Download PDFInfo
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- 238000003466 welding Methods 0.000 title claims abstract description 239
- 238000012545 processing Methods 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000003672 processing method Methods 0.000 title abstract description 8
- 238000003825 pressing Methods 0.000 claims abstract description 93
- 229910000679 solder Inorganic materials 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 230000033001 locomotion Effects 0.000 claims abstract description 20
- 230000007704 transition Effects 0.000 claims description 41
- 238000005520 cutting process Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 11
- 239000011324 bead Substances 0.000 claims description 5
- 230000004907 flux Effects 0.000 claims description 5
- 238000005476 soldering Methods 0.000 claims description 5
- 230000003750 conditioning effect Effects 0.000 claims 3
- 230000009471 action Effects 0.000 abstract description 8
- 230000007246 mechanism Effects 0.000 description 16
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
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- 206010066054 Dysmorphism Diseases 0.000 description 5
- 238000005056 compaction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
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- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D15/00—Shearing machines or shearing devices cutting by blades which move parallel to themselves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
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- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
- H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention relates to a welding strip adjusting and processing device, a battery string production line and an adjusting and processing method thereof. The detection assembly is located above the movable rack. The welding strip adjusting assembly comprises a welding strip adjusting and pressing unit. The welding strip adjusting and pressing unit can correspondingly press each special-shaped welding strip respectively. And the special-shaped welding strip pressing device can receive an instruction sent by the control assembly and make the pressed special-shaped welding strip do linear reciprocating motion along the length direction of the welding strip. The adjustment compresses tightly the subassembly and can compress tightly each special-shaped solder strip. Compress tightly the subassembly through welding area adjustment subassembly and adjustment with special-shaped solder strip, make according to detecting element's detection information and weld area adjustment subassembly and follow the length direction of special-shaped solder strip and push forward special-shaped solder strip, for prior art, the action complexity reduces, welds and takes adjustment unit to adopt lead screw step motor drive, under the prerequisite of guaranteeing propelling movement precision and speed, uses this motor than servo electric cylinder, the cost is reduced.
Description
Technical Field
The invention relates to the technical field of photovoltaic cell production, in particular to a welding strip adjusting and processing device, a cell string production line and an adjusting and processing method thereof.
Background
The cell string welding process is an important process in the production process of the solar cell panel, and a plurality of cells are sequentially welded to form a cell string by using a special-shaped welding strip.
The current photovoltaic cell assembly is mainly composed of 12 individual cells, which are cut into a circulating section of welding strip by a cutter through a special-shaped welding strip, and two adjacent cells A are welded together (see figure 1). Specifically, each battery piece is welded through a special-shaped welding strip, each special-shaped welding strip comprises a flat section and a prismatic section, a middle transition node c is arranged at the junction of the flat section a and the prismatic section b, the middle transition node of each parallel welding strip is usually not on the same straight line due to the length deviation of the special-shaped welding strip in the welding process, in order to ensure that the middle transition nodes of the special-shaped welding strips are all aligned on the same straight line, the welding strips are generally compressed through an adjusting mechanism in the existing mode of aligning and adjusting a plurality of special-shaped welding strips, the middle transition nodes of the plurality of special-shaped welding strips are pulled towards the rear direction (the side close to a cutter) through the adjusting mechanism if the detecting mechanism is not on the same straight line any more, the middle transition nodes on the multiple special-shaped welding strips are positioned on the same horizontal line, but one phenomenon that the special-shaped welding strips positioned at the cutter at the rear are staggered can occur when the existing special-shaped welding strips are pulled towards the rear through an adjusting mechanism, so that the staggered special-shaped welding strips need to be cut off downwards at the cutter by taking the shortest welding strip as a reference, so that the special-shaped welding strips are in a parallel and level state at the cutter, then the welding strips at the cutter are sent into a welding strip traction clamping jaw of the next procedure to be clamped, then the welding strips are pulled out by a traction device, finally the welding strips are cut off by the cutter to form a circulating section welding strip, and the circulating section welding strip is welded on the battery piece to complete the welding of the battery piece.
Although the existing adjusting mechanism can adjust the special-shaped welding strips so that middle transition nodes under the detecting mechanism are positioned on the same straight line, the existing adjusting mechanism forms a plurality of irregular-shaped welding strips which are uneven at a cutter after adjustment, therefore, when the middle transition nodes of the welding strips are adjusted, the welding strips at the cutter are cut off by one more process so as to be parallel and level, and then the welding strips are sent into a traction clamping jaw, so that secondary cutting of the welding strips is caused, the cutting efficiency of the welding strips is influenced, the welding rhythm of battery pieces is reduced, and the existing cutting at the cutter still needs to be provided with a pressing device for pressing the plurality of irregular-shaped welding strips, the cutting at the cutter is facilitated, the structure is increased, the adjusting speed is low, and the adjusting precision is low.
Disclosure of Invention
Technical problem to be solved
In view of the above disadvantages and shortcomings of the prior art, the present invention provides a device for adjusting and processing a solder strip, a battery string production line and an adjusting and processing method thereof, which solves the technical problem that a secondary cutting of the solder strip is caused by requiring one more process, namely, cutting the solder strip at a cutter to make the solder strip flush and then feeding the solder strip into a traction clamping jaw when adjusting a middle transition node of the solder strip.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
the adjusting and processing device for the welding strip comprises a movable rack, and a detection assembly, a welding strip adjusting assembly and an adjusting and pressing assembly which are sequentially arranged on the movable rack;
the detection assembly is positioned above the movable rack and can detect the position of a middle transition node of the special-shaped welding strip and send detection information to the control assembly; the control assembly can analyze the received detection information and send an instruction to control the welding strip adjusting assembly;
the welding strip adjusting assembly comprises a plurality of welding strip adjusting and pressing units which are arranged side by side; the welding strip adjusting and pressing unit can correspondingly press each special-shaped welding strip; the special-shaped welding strip pressing device can receive an instruction sent by the control assembly and make the pressed special-shaped welding strip do linear reciprocating motion along the length direction of the welding strip;
the adjusting and pressing assembly can press each special-shaped welding strip;
the stretching and pressing component, the stretching driving component and the fixed pressing component are sequentially arranged on the moving rack;
the fixed pressing assembly is arranged on one side close to the welding strip adjusting assembly, and the detection assembly is arranged between the fixed pressing assembly and the welding strip adjusting assembly; the fixed pressing component can press each special-shaped welding strip;
the stretching driving piece is arranged on the moving rack and is provided with a fixed end and a movable end, the fixed end is detachably connected with the moving rack, and the movable end is fixedly connected with the stretching and compressing assembly and can drive the stretching and compressing assembly to reciprocate along the length direction of the welding strip;
the stretching and pressing assembly can press each special-shaped welding strip; and the welding strip is driven by the stretching driving piece to reciprocate along the length direction of the welding strip so as to elongate each special-shaped welding strip.
Optionally, the stretching and compressing assembly comprises a bracket and a plurality of compressing cylinders arranged on the bracket side by side;
the support is an inverted U-shaped structural part and is detachably arranged on the movable rack;
the pressing cylinder can do reciprocating linear motion along the vertical direction, so that the pressing cylinder can respectively press/loosen the special-shaped welding strips.
Optionally, the structure of the fixed compression assembly and the adjusting compression assembly is the same as that of the stretching compression assembly.
Optionally, the welding strip adjusting and pressing unit comprises a moving guide rail, an adjusting and pressing cylinder and an adjusting and pushing motor;
the adjusting and pressing cylinder can do reciprocating linear motion along the vertical direction so as to press/loosen the special-shaped welding strip;
the adjusting and pushing motor is provided with a driving end, the driving end of the adjusting and pushing motor is connected with the adjusting and pressing cylinder, and the pressing cylinder can move along the movement guide rail under the driving of the driving end.
Optionally, still include the cylinder link, the cylinder link is L shape structure, the vertical end of cylinder link is connected with motor mounting bracket, motor mounting bracket is used for the installation adjustment propelling movement motor.
A battery string production line comprises a fixed bottom plate, a welding strip processing device, a welding strip adjusting and processing device and a traction device, wherein the welding strip processing device, the welding strip adjusting and processing device and the traction device are sequentially arranged on the fixed bottom plate;
the welding strip processing device is fixedly arranged on the fixed bottom plate and can add soldering flux to each special-shaped welding strip;
the movable rack is slidably arranged on the fixed bottom plate and can do linear reciprocating motion along the length direction of the fixed bottom plate;
the traction device can pull each special-shaped welding strip.
Optionally, the device further comprises a driving member arranged on the movable rack;
the driving piece can drive a ram to reciprocate on the sliding guide rail along the length direction of the movable rack, and the top of the ram is connected with the movable rack, so that the adjusted special-shaped welding strip can be sent into the traction device.
Optionally, the welding device further comprises a welding strip limiting device;
the welding strip limiting device is arranged on the movable rack and close to one side of the adjusting and pressing assembly;
the welding strip limiting device comprises a first limiting part and a second limiting part which are arranged in sequence;
a plurality of first limiting grooves are formed in the first limiting part at equal intervals along the length direction of the welding strip;
the second limiting part is arranged on one side arm of the first limiting part and is provided with a limiting bottom plate fixedly connected with the first limiting part and a limiting top plate detachably connected with the limiting bottom plate;
a second limiting groove is formed in one side of the top of the limiting bottom plate and corresponds to the first limiting groove;
and a third limiting groove is formed in the edge of the other side of the top of the limiting bottom plate and corresponds to the second limiting groove, a transition surface is formed between the second limiting groove and the third limiting groove, and the transition surface is in a slope shape.
An adjustment processing method based on the adjustment processing device of the solder strip comprises the following steps:
s1, compressing the special-shaped welding strip: the adjusting and pressing assembly presses one end of each special-shaped welding strip;
s2, detecting the nodes: the detection assembly detects the intermediate transition nodes of the special-shaped welding strips, judges whether the intermediate transition nodes of each special-shaped welding strip are on the same straight line or not, and sends the judgment result of the detection assembly to the control assembly;
s3, adjusting the nodes: the welding strip adjusting assembly compresses each special-shaped welding strip downwards, receives the control of the control assembly, and controls the middle transition node of each welding strip adjusting assembly to move towards the front to the base line position until the middle transition node of each special-shaped welding strip is positioned on the base line;
when the node is adjusted, the movable rack is driven by the driving piece to move backwards along the length direction of the movable rack, and the adjusted special-shaped welding strip is sent into a clamping jaw of the traction device;
s4, circularly drawing the welding strip: controlling the loosening of the adjusting and pressing assembly, and pulling a special-shaped welding strip with a long circulation section forwards by a clamping jaw in the pulling device;
s5, cutting off the circulating welding strip: cutting off the special-shaped welding strip with the long circulating section dragged in the step S4 by a cutter;
s6, returning to the initial position: the weld bead adjustment assembly and the drive member are both returned to an initial position in preparation for the next cycle segment.
(III) advantageous effects
The invention has the beneficial effects that: according to the adjusting and processing device for the welding strip, the battery string production line and the adjusting and processing method for the welding strip, when the special-shaped welding strip is adjusted, the special-shaped welding strip is pressed through the welding strip adjusting assembly and the adjusting and pressing assembly, the welding strip adjusting assembly is enabled to push the special-shaped welding strip forwards along the length direction of the special-shaped welding strip according to detection information of the detection unit, compared with the prior art, the action complexity is reduced, the welding strip adjusting unit is driven by the lead screw stepping motor, and on the premise that the pushing precision and speed are guaranteed, compared with the lead screw stepping motor, the cost is reduced by using the motor. The special-shaped welding strip is pressed tightly by the adjusting pressing assembly during node adjustment, the PLC detects the position of the welding strip node through the vision system, then the pushing mechanism is utilized to stretch and adjust each welding strip to the node to be flushed independently forward, so that the action of cutting double knives of the welding strip is omitted, and the cutting beat is improved.
Drawings
FIG. 1 is a perspective view of a profiled weld bead as mentioned in the background of the invention;
fig. 2 illustrates a series welding method of the battery cell according to the background art of the present invention;
FIG. 3 is a schematic front view of a battery string production line according to the present invention;
FIG. 4 is a schematic perspective view of the device for adjusting and processing solder strip of the present invention;
FIG. 5 is a schematic front side view of FIG. 4;
FIG. 6 is a front view of a weld adjusting assembly of the weld adjusting apparatus of the present invention;
FIG. 7 is a perspective view of the tension and compression assembly and the stationary compression assembly of the weld bead of the present invention;
FIG. 8 is an overall perspective view of a battery string manufacturing line according to the present invention;
FIG. 9 is a schematic front side view of FIG. 7;
FIG. 10 is a perspective view of the solder strip spacing device of the present invention;
fig. 11 is an enlarged view of a portion of fig. 10 without the top stop plate.
[ description of reference ]
1: moving the frame; 2: a weld strip adjustment assembly; 21: a welding strip adjusting and pressing unit; 211: a moving guide rail; 212: adjusting a compaction cylinder; 2121: a second ram; 2122: a second cylinder main body; 213: adjusting a pushing motor; 3: adjusting the compression assembly; 4: stretching and compressing the assembly; 41: a support; 411: a fixed support; 412: a movable support; 42: a pressing cylinder; 421: a first cylinder main body; 422: a first ram; 5: stretching the driving member; 6: fixing the compressing assembly; 7: a cylinder connecting frame; 8: a motor mounting bracket; 9: a special-shaped welding strip; 10: a camera light source; 100: fixing the bottom plate; 200: a weld zone processing device; 300: a drive member; 400: a ram; 500: a solder strip limiting device; 501: a first limiting part; 5011: a first limit groove; 502: a second limiting part; 5021: a limiting bottom plate; 5022: a second limit groove; 5023: a third limiting groove; 5024: a transition surface; 5025: (ii) a 600: an anti-overturning mechanism; 700: a sliding guide rail.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings. As used herein, the terms "upper," "lower," "front," and "rear" refer to the orientation of FIG. 3. Wherein a side of the solder strip prevention turnover mechanism 600 in fig. 3, which is located with respect to the fixed base plate 100, is defined as "front"; the front-rear direction is positioned as the length direction of the deformed solder strip 9, the moving frame 1, and the fixed base plate 100.
Referring to fig. 3, a battery string production line according to an embodiment of the present invention includes a fixed base plate 100 fixedly installed on the ground, a welding strip processing device 200 sequentially installed on the fixed base plate 100 from front to back, a welding strip adjusting device, a cutter (not shown), and a traction device (not shown).
Wherein, the place ahead of welding strip processingequipment 200 is provided with prevents welding strip tilting mechanism 600, prevents that welding strip tilting mechanism 600 has the gap, and this gap can prevent that the phenomenon of erectting appears in the flat section when the draw gear pulls in opposite sex welding strip 9 to prevent that the play from appearing in opposite sex welding strip, ensured that special-shaped welding strip 9 is in steadily can not appear beating the phenomenon of rolling up the upset all the time.
In this embodiment, the welding strip processing device 200 includes a fixed frame, and a welding-assisting mechanism disposed on the fixed frame, wherein the welding-assisting mechanism has a cavity capable of accommodating a soldering flux, the cavity has an inlet end capable of allowing the special-shaped welding strip 9 to enter, the special-shaped welding strip 9 is soaked through the soldering flux through the inlet end, and finally extends to the outside from an outlet end communicated with the cavity, and the processing of the welding strip by this part is favorable for the subsequent welding of the welding strip and the battery piece.
The solder strip processing device 200 is fixedly arranged on the fixed base plate 100, and can add soldering flux to each of the special-shaped solder strips 9.
The moving frame 1 is slidably disposed on the fixed base plate 100 and can linearly reciprocate along the longitudinal direction of the fixed base plate 100, i.e., the front-rear direction.
Further, as shown in fig. 4, a driving member 300 disposed on the moving frame 1 is further included. Specifically, the driving member 300 includes a servo motor 301 fixedly disposed on the moving frame 1 and a lead screw 302 rotated by the servo motor 301. The outer side of the screw rod 302 is screwed with a screw rod nut, and the screw rod nut is connected with the movable frame 1. The lead screw nut can linearly reciprocate back and forth relative to the lead screw 302 as the lead screw 302 rotates. Thereby driving the moving frame 1 to reciprocate back and forth. In this embodiment, moving frame 1 can follow the motion and current structure weld earlier through draw gear when taking middle transition node tight the comparison in the adjustment, has saved towed latency, has realized going on when welding the adjustment of taking and propelling movement, has saved the stack time, has improved takt time, and whole productivity promotes about 30%.
The driving element 300 can drive the ram 400 to reciprocate on the sliding guide rail 700 along the length direction of the moving rack 1, and the top of the ram 400 is connected with the moving rack 1, so that the adjusted special-shaped welding strip 9 can be sent into the traction device.
The traction device can pull each special-shaped welding strip 9.
In this embodiment, an adjusting and processing device for a solder strip includes a movable rack 1, and a tension compressing assembly 4, a tension driving member 5, a fixed compressing assembly 6, a detection assembly, a solder strip adjusting assembly 2, and an adjusting and compressing assembly 3, which are sequentially disposed on the movable rack 1.
The mobile chassis 1 has an incoming terminal at the front side and an outgoing terminal at the rear side. The tension compression assembly 4 can compress each of the profiled weld strips 9.
Specifically, the number of the special-shaped welding strips 9 is nine, and the nine special-shaped welding strips 9 are parallel to each other and arranged side by side.
Specifically, referring to fig. 7 to 9, the stretch-compaction assembly 4 includes a bracket 41 and nine compaction cylinders 42 disposed side by side on the bracket 41.
The bracket 41 is an inverted U-shaped structural member, and the bracket 41 is detachably disposed on the moving frame 1.
The pressing cylinder 42 comprises a first cylinder body 421, the first cylinder body 421 is connected with a power source through a pipeline, the driving end of the first cylinder body 421 is connected with a first pressing head 422 in a driving mode, the first pressing head 422 can do reciprocating straight line movement along the vertical direction under the driving of the first cylinder body 421, namely, the first pressing head 422 can move downwards or upwards, and therefore the first pressing head 422 can respectively and correspondingly press or loosen the special-shaped welding strip 9.
Further, the bracket 41 includes a fixed bracket 411 and a movable bracket 412 capable of rotating relative to the fixed bracket 411 along the rotation axis 43 to open or close in the direction of the cutting head, and the first cylinder main body 421 is disposed on the movable bracket 412, so as to facilitate subsequent maintenance and repair of the first cylinder main body 421.
Further, a handle 44 is provided at an end of the movable bracket 412 away from the rotation shaft 43, for opening and closing the movable bracket 412.
Further, the fixed bracket 411 is detachably connected with respect to the moving frame 1, and the position of the fixed bracket 411 is moved and adjusted during subsequent maintenance.
Further, the fixed pressing assembly 6 is arranged on one side close to the welding strip adjusting assembly 2, and the detection assembly is arranged between the fixed pressing assembly 6 and the welding strip adjusting assembly 2. The purpose is in order to directly send into draw gear after welding area adjusting part 2 adjusts, ensures welding area adjusting part 2's work efficiency, avoids the process of secondary adjustment. The fixed pressing assembly 6 can press each of the special-shaped welding strips 9. In this embodiment, the fixed compression assembly 6 is identical in structure to the tension compression assembly 4. The production process is convenient to form. The compatibility of the welding strip pressing mechanism is high, and the maintenance and the cleaning are convenient.
It should be noted that, in this embodiment, by adding the fixed compressing assembly 6, the stretching driving member 5, and the stretching compressing assembly 4, when the battery piece is welded to the 12 th battery piece, the control assembly is started to control the fixed compressing assembly 6 and the stretching compressing assembly 4 to compress each special-shaped welding strip 9 respectively, and then the control assembly controls the driving of the stretching driving member 5, so that the stretching compressing assembly 4 moves towards the front, and further each special-shaped welding strip 9 is elongated respectively. On the premise of reducing the space between the empty cells among the cell strings, the space occupied by the special-shaped welding strip 9 of the empty cell is eliminated, the number of the welded cell strings is increased to the maximum extent on the limited length of the welding roller way, and the capacity is improved by about 10 percent. Meanwhile, the loss of the special-shaped welding strip is reduced. And the cutting frequency of redundant solder strips is reduced.
In the present embodiment, the solder ribbon adjustment processing apparatus includes a solder ribbon adjustment assembly 2. The welding strip adjusting assembly 2 comprises a plurality of welding strip adjusting and pressing units 21 which are arranged side by side; the welding strip adjusting and pressing unit 21 can correspondingly press each special-shaped welding strip 9; and can receive the instruction sent by the control component and make the compressed special-shaped welding strip 9 do linear reciprocating motion along the length direction of the welding strip.
Further, referring to fig. 5, the weld bead adjusting and pressing unit 21 includes a moving guide rail 211, an adjusting and pressing cylinder 212, and an adjusting and pushing motor 213.
The adjusting and pressing cylinder 212 includes a second cylinder body 2122, the second cylinder body 2122 is connected to a power source through a pipeline, a driving end of the second cylinder body 2122 is drivingly connected to a second pressing head 2121, and the second pressing head 2121 can make a reciprocating straight line, i.e., move downward or upward, in a vertical direction under the driving of the second cylinder body 2122, so that the second pressing head 2121 can respectively and correspondingly press or release the special-shaped welding strip 9.
The adjusting and pushing motor 213 has a driving end, the driving end of which is connected to the adjusting and pressing cylinder 212, and the adjusting and pressing cylinder 212 can move along the moving guide rail 211 under the driving of the driving end. And adjusting the middle transition node of each special-shaped welding strip 9 to enable the middle transition nodes of the special-shaped welding strips 2 to be positioned on the same straight line. The adjustment push motor 213 of the welding strip adjustment pressing unit 21 is a screw rod stepping motor, which can ensure the push precision and speed, and the cost is reduced by using the motor compared with the screw rod stepping motor.
Further, as shown in fig. 6, the adjusting device further includes a cylinder connecting frame 7, the cylinder connecting frame 7 is an L-shaped structural member, a motor mounting frame 8 is connected to a vertical end of the cylinder connecting frame 7, and the motor mounting frame 8 is used for mounting the adjusting push motor 213.
Further, the vertical sections of the motor mounting frame 8 and the cylinder connecting frame 7 are detachably connected through bolts, so that the motor mounting frame and the cylinder connecting frame are convenient to detach and mount. And the front end of the motor mounting rack 8 extends a part outwards to the foremost end of the adjusting and pushing motor 213, so that the adjusting and pushing motor 213 can work normally, and meanwhile, the space is reasonably utilized. In this embodiment, the adjusting pushing motors 213 include a plurality of adjusting pushing motors 213 corresponding to the welding strip adjusting and pressing units 21 one by one, and the plurality of adjusting pushing motors 213 are distributed and staggered up and down. Saving space and occupation of land proportion.
It should be noted that the adjusting and pressing cylinder 212 can perform reciprocating linear motion in the vertical direction, so that the adjusting and pressing cylinder can press or loosen the deformed welding strip 9. When the special-shaped welding strip 9 needs to be compressed, the bottom of the adjusting and compressing cylinder 212 is a movable end, the movable end moves downwards to compress the special-shaped welding strip 9, the special-shaped welding strip 2 is driven and adjusted by adjusting the pushing motor 213, and the special-shaped welding strip 2 is driven to move back and forth.
In this embodiment, the detection assembly is located above the moving frame 1, and between the fixed pressing assembly 6 and the solder strip adjusting assembly 2, it can detect the position of the middle transition node of the special-shaped solder strip 9 pressed by the nine solder strip adjusting and pressing units 21.
In this embodiment, the detection unit includes a photographing camera and a camera light source 10 (a visual light source system) for detecting the intermediate transition node of the special-shaped solder strip 9, and the photographing camera is located directly above the moving rack 1, so as to facilitate photographing of the intermediate transition node. The camera light source 10 (visual light source system) can form a reference plane on the plane where the nine special-shaped welding strips 9 are located, so that a photographing camera can shoot, and a reference line is formed at the same time, so that the middle transition nodes behind the reference line move forwards during adjustment and reach the position of the reference line.
It should be noted that the reference line is located in front of the reference plane, and the intermediate transition node of the deformed welding strip 9 compressed by the adjusting and compressing cylinder 212 of the strip adjusting and compressing unit 21 moves forward under the mutual cooperation and adjustment driving of the adjusting and pushing motor 213 and the moving guide rail 211. Then the special-shaped welding strip 9 is always in a tight state and can not be curled and turned over by moving downwards under the action of the heavy hammer in front of the welding strip and the anti-turning mechanism 600.
The structure of the adjusting and pressing assembly 3 is the same as the structure of the stretching and pressing assembly 4 in size. The adjustment compresses tightly subassembly 3 and can compress tightly each special-shaped solder strip 9.
An adjusting and processing method of an adjusting and processing device based on a welding strip comprises the following steps:
s1, pressing the special-shaped welding strip 9: the adjusting and pressing component 3 presses one end of each special-shaped welding strip 9.
S2, detecting the nodes: the detection assembly detects the intermediate transition nodes of the plurality of special-shaped welding strips 9, judges whether each intermediate transition node of each special-shaped welding strip 9 is on the same straight line, and sends the judgment result of the detection assembly to the control assembly.
S3, adjusting the nodes: the welding strip adjusting assembly 2 compresses each special-shaped welding strip 9 downwards, receives control of the control assembly, and controls the middle transition node of each welding strip adjusting assembly 2 to move towards the front to the base line position until the middle transition node of each special-shaped welding strip 9 is located on the base line.
And simultaneously with the node adjustment, the movable rack 1 is driven by the driving piece 300 to move backwards along the length direction of the movable rack, and the adjusted special-shaped welding strip 9 is sent into a clamping jaw of the traction device.
S4, circularly drawing the welding strip: the control adjusts the loosening of the pressing component 3, and the clamping jaws in the traction device draw the special-shaped welding strip 9 with a long circulation section forwards.
S5, cutting off the circulating welding strip: cutting off the special-shaped welding strip 9 with the long circulating section dragged in the S4 by a cutter;
s6, returning to the initial position: the strip adjusting assembly 2 and the driving member 300 are both returned to the initial position ready for the next cycle segment.
In the present embodiment, the specific operating principle of the adjustment processing device for solder strip is as follows: nine welding strips are respectively pressed by a first cylinder pressing main body 421 of an adjusting pressing component 3, then a middle transition node of the nine welding strips is photographed by a detection component, the relative position of the middle transition node is picked up, the displacement of each special-shaped welding strip 9 needing to be adjusted is transmitted to an adjusting pushing motor 213, the nine adjusting pushing motors 213 respectively act to respectively adjust and stretch the nine special-shaped welding strips 9 backwards to align the positions of the middle transition nodes, meanwhile, a servo motor 301 of a driving component 300 drives a screw rod 302 to drive a moving rack 1 to move, meanwhile, the whole nine special-shaped welding strips 9 can be simultaneously pushed into clamping jaws (not shown) of a traction device, then the nine special-shaped welding strips 9 are respectively clamped by the clamping jaws, then the pressing component 3 is adjusted to release the pressing of the special-shaped welding strips 9, the clamping jaws of the traction device pull each special-shaped welding strip 9 out by the length of a circulation section, then cutting of the welding strips is carried out by a cutter of the welding strips, the nine special-shaped welding strips 9 are pulled out, the welding strip adjusting component 2 and the driving component 300 returns to the original point to prepare for the next circulation section, and the circulation action is completed.
Compared with the existing mode and structure that the special-shaped welding strip 9 needs to be sent into the clamping jaw of the traction device firstly, the special-shaped welding strip adjusting and pre-stretching and sending action is optimized, the action complexity is reduced, the waiting time for traction is saved by adjusting the pressing component 3, the two actions of adjusting and pushing the special-shaped welding strip 9 are carried out simultaneously, the superposition time is saved, the takt time is improved, and the overall productivity is improved by about 30%.
The strip adjusting and pressing is realized by the second cylinder body 2122 stretching up and down to drive the second pressure head 2121 to press and fix each special-shaped strip 9, and the adjusting and pushing motor 213 drives the driving and adjusting and pressing cylinder 212 through the cylinder connecting frame 7 and the motor mounting frame 8 to move left and right through the moving guide rail 211, so that the purpose of adjusting the strip front and back is achieved.
Referring to fig. 10, a battery string production line further includes a solder strip limiting device 500.
The solder strip limiting device 500 is arranged on the movable frame 1 and close to one side of the adjusting and pressing assembly 3.
The solder strip limiting device 500 comprises a first limiting portion 501 and a second limiting portion 502 which are arranged in sequence.
A plurality of first limit slots 5011 are formed in the first limit portion 501 along the length direction of the solder strip at equal intervals.
The second position-limiting portion 502 is disposed on a side arm of the first position-limiting portion 501, and has a position-limiting bottom plate 5021 fixedly connected with the first position-limiting portion 501 and a position-limiting top plate 5025 detachably connected with the position-limiting bottom plate 5021 through strong magnetic attraction.
A second limit groove 5022 is formed at one side of the top of the limit bottom plate 5021 corresponding to the first limit groove 5011.
A third limit groove 5023 is formed in the edge of the other side of the top of the limit bottom plate 5021 and corresponds to the second limit groove 5022, a transition surface 5024 is formed between the second limit groove 5022 and the third limit groove 5023, and the transition surface 5024 is in a slope shape.
The width of first spacing groove 5011 and second spacing groove 5022 is about 1.1mm, can supply the platykurtic to pass through, and it is spacing to control each special-shaped solder strip 9, prevents the drunkenness to appear. The width of third spacing groove 5023 is about 0.4mm, can carry on spacingly to prismatic section, and the platykurtic can't pass through. Specifically, dysmorphism welds area 9 in propelling movement to draw gear's clamping jaw and welds the in-process that the area was pulled out, it is spacing all to need to lead, prevent every dysmorphism and welds the area 9 off tracking, for the accuracy of guaranteeing nine dysmorphism welds the position interval of taking 9, this problem of effectual solution of use of three spacing groove, use with spacing bottom plate 5021 by spacing roof 5025, can realize that the prismatic section of dysmorphism welds the area 9 and stretch from the higher spacing inslot of precision freely to pass through, when dysmorphism welds the area 9 flat section and passes through, the flat section passes through from the transition surface of guide slot slope form promptly in the gap between slope surface and the spacing roof 5025, alright make the flat section that the width height all is inequality different and prismatic section weld the area and can both freely pass through like this.
In the description of the present invention, it is to be understood that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of technical features indicated are in fact significant. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are exemplary and not to be construed as limiting the present invention and that those skilled in the art may make modifications, alterations, substitutions and alterations to the above embodiments within the scope of the present invention.
Claims (9)
1. The adjusting and processing device for the welding strip is characterized by comprising a movable rack (1), and a detection assembly, a welding strip adjusting assembly (2) and an adjusting and pressing assembly (3) which are sequentially arranged on the movable rack (1);
the detection assembly is positioned above the movable rack (1) and can detect the position of a middle transition node of the special-shaped welding strip (9) and send detection information to the control assembly; the control assembly can analyze the received detection information and send an instruction to control the welding strip adjusting assembly (2);
the welding strip adjusting assembly (2) comprises a plurality of welding strip adjusting and pressing units (21) which are arranged side by side; the welding strip adjusting and pressing unit (21) can respectively and correspondingly press each special-shaped welding strip (9); the special-shaped welding strip pressing device can receive an instruction sent by the control assembly and can make the pressed special-shaped welding strip (9) do linear reciprocating motion along the length direction of the welding strip;
the adjusting and pressing assembly (3) can press each special-shaped welding strip (9);
the welding strip adjusting and processing device also comprises a stretching and pressing assembly (4), a stretching driving piece (5) and a fixing and pressing assembly (6) which are arranged on the movable rack (1) in sequence;
the fixed pressing assembly (6) is arranged at one side close to the welding strip adjusting assembly (2), and the detection assembly is arranged between the fixed pressing assembly (6) and the welding strip adjusting assembly (2); the fixed pressing assembly (6) can press each special-shaped welding strip (9);
the stretching driving piece (5) is arranged on the movable rack (1), the stretching driving piece (5) is provided with a fixed end and a movable end, the fixed end is detachably connected with the movable rack (1), the movable end is fixedly connected with the stretching and compressing assembly (4), and the stretching and compressing assembly (4) can be driven to reciprocate along the length direction of the welding strip;
the stretching and pressing assembly (4) can press each special-shaped welding strip (9); and the welding strip is driven by a stretching driving piece (5) to reciprocate along the length direction of the welding strip so as to elongate each special-shaped welding strip (9).
2. The strip conditioning device according to claim 1, characterized in that said stretching-compacting assembly (4) comprises a support (41) and a plurality of compacting cylinders (42) arranged side by side on said support (41);
the support (41) is an inverted U-shaped structural part, and the support (41) is detachably arranged on the movable rack (1);
the pressing cylinder (42) can do reciprocating linear motion along the vertical direction so as to respectively press/release the special-shaped welding strips (9).
3. The weld bead conditioning device according to claim 2, characterized in that the fixing and pressing assembly (6) and the conditioning and pressing assembly (3) have the same structure as the stretching and pressing assembly (4).
4. The weld ribbon adjusting and processing device according to claim 1, wherein the weld ribbon adjusting and pressing unit (21) comprises a moving guide rail (211), an adjusting and pressing cylinder (212) and an adjusting and pushing motor (213);
the adjusting and pressing cylinder (212) can do reciprocating linear motion along the vertical direction so as to press/loosen the special-shaped welding strip (9);
the adjusting and pushing motor (213) is provided with a driving end, the driving end of the adjusting and pushing motor is connected with the adjusting and pressing air cylinder (212), and the adjusting and pressing air cylinder (212) can move along the movement guide rail (211) under the driving of the driving end.
5. The weld ribbon adjusting and processing device as claimed in claim 4, further comprising a cylinder connecting frame (7), wherein the cylinder connecting frame (7) is an L-shaped structural member, a motor mounting frame (8) is connected to the vertical end of the cylinder connecting frame (7), and the motor mounting frame (8) is used for mounting the adjusting and pushing motor (213).
6. A battery string production line, characterized by comprising a fixed base plate (100), a welding strip processing device (200) sequentially arranged on the fixed base plate (100), a welding strip adjusting and processing device according to any one of claims 1 to 5, and a traction device;
the welding strip processing device (200) is fixedly arranged on the fixed base plate (100) and can add soldering flux to each special-shaped welding strip (9);
the movable rack (1) is slidably arranged on the fixed bottom plate (100) and can do linear reciprocating motion along the length direction of the fixed bottom plate (100);
the traction device can pull each special-shaped welding strip (9).
7. The battery string production line according to claim 6, further comprising a driving member (300) disposed on the moving rack (1);
the driving piece (300) can drive a ram (400) to reciprocate on the sliding guide rail (700) along the length direction of the movable rack (1), and the top of the ram (400) is connected with the movable rack (1) so that the adjusted special-shaped welding strip (9) can be sent into the traction device.
8. The battery string production line according to claim 7, further comprising a solder strip limiting device (500);
the welding strip limiting device (500) is arranged on the movable rack (1) and close to one side of the adjusting and pressing assembly (3);
the welding strip limiting device (500) comprises a first limiting part (501) and a second limiting part (502) which are arranged in sequence;
a plurality of first limiting grooves (5011) are formed in the first limiting part (501) at equal intervals along the length direction of the welding strip;
the second limiting part (502) is arranged on one side arm of the first limiting part (501) and is provided with a limiting bottom plate (5021) fixedly connected with the first limiting part (501) and a limiting top plate (5025) detachably connected with the limiting bottom plate (5021);
one side of the top of the limiting bottom plate (5021) is provided with a second limiting groove (5022) corresponding to the first limiting groove (5011);
a third limit groove (5023) is formed in the edge of the other side of the top of the limit bottom plate (5021) and corresponds to the second limit groove (5022), a transition surface (5024) is formed between the second limit groove (5022) and the third limit groove (5023), and the transition surface (5024) is in a slope shape.
9. A method for adjusting the solder strip adjusting apparatus according to any one of claims 1 to 5, the method comprising the steps of:
s1, pressing a special-shaped welding strip (9): the adjusting and pressing assembly (3) presses one end of each special-shaped welding strip (9);
s2, detecting the nodes: the detection assembly detects the intermediate transition nodes of the special-shaped welding strips (9), judges whether the intermediate transition nodes of each special-shaped welding strip (9) are on the same straight line or not, and sends the judgment result of the detection assembly to the control assembly;
s3, adjusting the nodes: the welding strip adjusting assembly (2) compresses each special-shaped welding strip (9) downwards, receives control of the control assembly, and controls the middle transition node of each welding strip adjusting assembly (2) to move towards the front to the base line position until the middle transition node of each special-shaped welding strip (9) is located on the base line;
when the node is adjusted, the movable rack (1) is driven to move backwards along the length direction of the movable rack through a driving piece (300), and the adjusted special-shaped welding strip (9) is sent into a clamping jaw of the traction device;
s4, circularly drawing the welding strip: controlling the loosening of the adjusting and pressing assembly (3), and pulling a profiled welding strip (9) with a long circulation section forwards by a clamping jaw in the pulling device;
s5, cutting off the circulating welding strip: cutting off the special-shaped welding strip (9) with the long circulating section dragged in the S4 by a cutter;
s6, returning to the initial position: the strip adjusting assembly (2) and the driving member (300) are returned to the initial position ready for the next cycle segment.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210317188.7A CN114664976B (en) | 2022-03-28 | 2022-03-28 | Welding strip adjusting and processing device, battery string production line and adjusting and processing method thereof |
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| CN202210317188.7A CN114664976B (en) | 2022-03-28 | 2022-03-28 | Welding strip adjusting and processing device, battery string production line and adjusting and processing method thereof |
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| US20110088744A1 (en) * | 2009-10-21 | 2011-04-21 | Bp Corporation North America Inc. | Photovoltaic Module Failure Detection Devices and Methods |
| CN110405303A (en) * | 2018-04-27 | 2019-11-05 | 无锡市正罡自动化设备有限公司 | Welding is reformed mechanism and series welding device and string welding machine and welding welding method |
| EP3569349B1 (en) * | 2018-05-18 | 2021-03-17 | SUPSI (Scuola Universitaria Professionale Della Svizzera Italiana) | Device for gripping and welding solar cells to related electrical connectors and associated actuating head, and robot |
| CN208589458U (en) * | 2018-06-27 | 2019-03-08 | 石家庄冀展新能源有限公司 | Welding adjusts device, welding cutter and string welding machine |
| CN112077466B (en) * | 2020-08-17 | 2022-04-12 | 无锡奥特维科技股份有限公司 | Welding strip position adjusting device, stringer and welding strip position adjusting method |
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