CN219218123U

CN219218123U - Tin ball treatment equipment for photovoltaic solder strip

Info

Publication number: CN219218123U
Application number: CN202223309069.1U
Authority: CN
Inventors: 徐赞; 徐锦松; 李兵; 白灵科
Original assignee: Taicang Juren Photovoltaic Material Co ltd
Current assignee: Taicang Juren Photovoltaic Material Co ltd
Priority date: 2022-12-10
Filing date: 2022-12-10
Publication date: 2023-06-20
Anticipated expiration: 2032-12-10

Abstract

The utility model discloses a tin ball treatment device for a photovoltaic solder strip, which comprises: the storage mechanisms are arranged at intervals and used for storing the photovoltaic solder strips on line; the driving mechanism pulls the photovoltaic solder strip to move the photovoltaic solder strip; the tin bead detection mechanism is used for detecting tin beads on the photovoltaic solder strip when the photovoltaic solder strip moves; the tin ball treatment mechanism is used for solidifying the tin balls again after melting and eliminating the tin balls; and a tin ball detection mechanism, a tin ball processing mechanism and a driving mechanism are sequentially arranged between the two storage mechanisms. According to the utility model, the tin beads are treated by a hot melting method, and the spring drives the die to act on the welding strip and melt the tin beads by heat transfer; and through the quick cooling mode for tin on solder strip surface solidifies again, convenient operation reduces the damage to other parts of solder strip.

Description

Tin ball treatment equipment for photovoltaic solder strip

Technical Field

The utility model relates to the field of detection of photovoltaic solder strips, in particular to tin bead treatment equipment for a photovoltaic solder strip.

Background

The photovoltaic solder is composed of a copper base band and a tin layer coated outside the copper base band, wherein tin is heated to be in a liquid state, the copper base band is immersed into the tin liquid, and then the copper base band is cooled and solidified. In the tin feeding process, tin beads inevitably appear, the existence of the tin beads easily causes the uneven resistivity of the whole solder strip, and the solder strip is not beneficial to laying in the shearing process, so that path bulges are easily generated.

Publication number CN 215757560U is a tin bead blocker for photovoltaic solder strip, and the solder strip is scraped off by the edges of the groove and the wire outlet hole; in the moving process of the solder strip, the solder strip inevitably touches the grooves and the wire outlet holes, so that the surface tin layer can be scraped off.

Disclosure of Invention

Aiming at the defects existing in the prior art, the main purpose of the utility model is to overcome the defects of the prior art, and discloses tin bead processing equipment for a photovoltaic solder strip, which comprises the following components:

the storage mechanisms are arranged at intervals and used for storing the photovoltaic solder strips on line;

the driving mechanism pulls the photovoltaic solder strip to move the photovoltaic solder strip;

the tin bead detection mechanism is used for detecting tin beads on the photovoltaic solder strip when the photovoltaic solder strip moves;

the tin ball treatment mechanism is used for solidifying the tin balls again after melting and eliminating the tin balls;

and the tin ball detection mechanism, the tin ball processing mechanism and the driving mechanism are sequentially arranged between the two storage mechanisms.

Further, the tin ball processing mechanism comprises a first bracket, a die and a driving assembly, wherein a processing area is arranged on the first bracket, two dies are oppositely arranged in the processing area, a groove is arranged on each die, and after the two dies are contacted, the grooves are spliced to form a shaping hole matched with the photovoltaic solder strip; a heating module is arranged on the die, and the heating module is utilized to heat the die; the driving assembly is arranged on the first bracket, and the driving assembly is utilized to drive the die to horizontally move.

Further, the driving assembly comprises an air cylinder, a driving block, a sliding block, a guide rod and a spring, wherein the guide rod is arranged on the first support, the sliding block and the spring are arranged on the guide rod, the sliding block is driven by the spring to move towards the first support, the driving block is arranged on the first support in a sliding manner, the driving block is driven by the air cylinder to reciprocate, so that the sliding block is driven to move along the guide rod, and an inclined plane is arranged on the sliding block.

Further, a sliding groove is formed in the side edge of the first support, and the driving block is arranged in the sliding groove in a sliding mode.

Further, the sliding block is a ceramic fiber board.

Further, an air suction port is arranged at the upper part of the treatment area, and an air blowing port is arranged at the lower part of the treatment area.

Further, a plurality of heat dissipation channels are arranged on the die at intervals along the axial direction of the die.

Further, tin ball detection mechanism includes second support, first supporting wheel, detection wheel and displacement sensor, first supporting wheel is fixed to be set up on the second support, the detection wheel floats to set up on the second support, first supporting wheel with set up on the detection wheel with photovoltaic solder strip complex semi-circular recess, displacement sensor monitors the detection wheel upwards displacement distance.

Further, the driving mechanism comprises a third bracket, a second supporting wheel, a driving wheel and a motor, wherein the second supporting wheel and the driving wheel are arranged on the third bracket in an up-down distribution manner, and the motor drives the driving wheel to rotate.

Further, the storage mechanism comprises a fourth support, a fixed shaft, a floating shaft and a wire storage wheel, wherein the fixed shaft and the floating shaft are arranged on the fourth support, the floating shaft is vertically and slidably connected with the fourth support, and the wire storage wheel is arranged on the fixed shaft and the floating shaft.

The utility model has the beneficial effects that:

1. according to the utility model, the tin beads are treated by a hot melting method, and the spring drives the die to act on the welding strip and melt the tin beads by heat transfer; and through the quick cooling mode for tin on solder strip surface solidifies again, convenient operation reduces the damage to other parts of solder strip.

2. Storage mechanisms are arranged at the front end and the rear end to provide reliable time for tin ball treatment, and the storage conditions of the front storage mechanism and the rear storage mechanism are controlled through the arrangement of the driving mechanism.

3. The heat dissipation channel is arranged in the die, the air suction port and the air blowing port are arranged on the support, the heat dissipation area is increased, meanwhile, the flow speed of cooling air is increased, and the heat dissipation effect is further improved.

Drawings

Fig. 1 is a schematic structural view of a solder ball processing apparatus for a photovoltaic solder strip according to the present utility model;

FIG. 2 is a schematic perspective view of a tin ball handling mechanism;

FIG. 3 is a bottom view of FIG. 2;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is a schematic diagram of a tin ball detecting mechanism;

FIG. 6 is a schematic diagram of a driving mechanism;

FIG. 7 is a schematic diagram of a wire storage mechanism;

the reference numerals are as follows:

1. the device comprises a storage mechanism, 2, a driving mechanism, 3, a tin ball detection mechanism, 4, a tin ball processing mechanism, 11, a fourth bracket, 12, a fixed shaft, 13, a floating shaft, 14, a wire storage wheel, 21, a third bracket, 22, a second supporting wheel, 23, a driving wheel, 31, a second bracket, 32, a first supporting wheel, 33, a detection wheel, 34, a displacement sensor, 41, a first bracket, 42, a mold, 43, a driving component, 411, a processing area, 412, a chute, 413, an air suction inlet, 414, an air blowing inlet, 421, a groove, 422, a heat dissipation channel, 423, an air inlet, 424, an air outlet, 431, an air cylinder, 432, a driving block, 433, a sliding block, 434, a guide rod, 435 and a spring.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

A solder ball handling apparatus for a photovoltaic solder strip, as shown in fig. 1-7, comprising:

the storage mechanism 1 is provided with two groups at intervals, and the storage mechanism 1 is used for storing the photovoltaic solder strips on line;

a driving mechanism 2 for pulling the photovoltaic solder strip to move the photovoltaic solder strip;

the tin bead detection mechanism 3 detects tin beads on the photovoltaic solder strip when the photovoltaic solder strip moves;

a tin ball treatment mechanism 4 for melting and eliminating the tin balls and then solidifying again;

a tin ball detection mechanism 3, a tin ball processing mechanism 4 and a driving mechanism 2 are sequentially arranged between the two storage mechanisms 1. The using mode is as follows: after passing through the storage mechanism 1 at the rear end, the photovoltaic solder strip is wound on a wire coil by a winding machine, when the tin ball detection mechanism 3 detects the tin ball, the driving mechanism 2 is controlled to stop running, and at the moment, the solder strip stored in advance by the storage mechanism 1 at the rear end is continuously wound by the winding mechanism; the front-end storage mechanism 1 is used for storing welding strips produced by front-end equipment; the soldering tin section with the soldering tin beads is arranged in the soldering tin bead processing mechanism 4, after the soldering tin beads are processed by the soldering tin bead processing mechanism 4, the driving mechanism 2 is started to continuously drag the soldering tin to move, the discharging of the front-end storage mechanism 1 is reduced by adjusting the transmission speed of the driver, and the discharging of the rear-end storage mechanism 1 is increased. So as to cope with the next tin ball treatment.

The tin ball processing mechanism 4 comprises a first support 41, a die 42 and a driving assembly 43, wherein a processing area 411 is arranged on the first support 41, two dies 42 are arranged, a groove 421 is arranged on each die 42, and after the two dies 42 are in relative contact, the groove 421 forms a shaping hole matched with the photovoltaic solder strip. The mold 42 is disposed within the treatment zone 411 and the mold 42 is driven to move horizontally to effect the opening and merging of the shaping apertures. A heating module (not shown) is provided on the mold 42; wherein, the heating module can be an electric heating wire; the mold 42 is heated by the heating module so that the mold 42 reaches a specified temperature.

The driving assembly 43 comprises a cylinder 431, a driving block 432, a sliding block 433, a guide rod 434 and a spring 435, in this embodiment, stability of the mold 42 is improved when the mold 42 moves, the sliding block 433 is separately arranged at two ends of the mold 42, and the sliding block 433 is connected with the mold 42; the guide rods 434 are separately arranged at the upper side and the lower side of the treatment area 411, the sliding block 433 is in sliding connection with the guide rods 434, the springs 435 are arranged on the guide rods 434, wherein two ends of each spring 435 respectively act on the guide rods 434 and the sliding block 433, and the sliding block 433 is driven to move towards the first bracket 41 through the springs 435. The driving block 432 is vertically slidably disposed at a side of the first bracket 41, and an inclined surface is disposed on the driving block 432. In use, the air cylinder 431 pushes the driving block 432 downward to drive the slider 433 away from the first bracket 41 through the inclined surface. The die 42 is moved away from the photovoltaic solder strip and the solder strip is allowed to pass unimpeded through the solder ball handling mechanism 4.

In the above embodiment, as shown in fig. 1 to 7, the sliding groove 412 is provided at the side of the first bracket 41, and the driving block 432 is slidably provided in the sliding groove 412. So that the driving block 432 can stably move on the first bracket 41.

In one embodiment, as shown in FIGS. 1-7, the slider 433 is a ceramic fiber board. Ceramic fiber board 433 has the characteristic of low thermal conductivity, reducing the heat transfer of die 42.

In an embodiment, as shown in fig. 1-7, an air suction opening 413 is disposed at an upper portion of the treatment area 411, an air blowing opening 414 is disposed at a lower portion of the treatment area 411, the air blowing opening 414 is connected with an air source, the air suction opening 413 is connected with an air extraction device, and the air flow is promoted by the mutual cooperation of the air blowing opening 414 and the air suction opening 413, so that the cooling efficiency is improved.

In one embodiment, as shown in fig. 1-7, a plurality of heat dissipation channels 422 are provided on the mold 42 at intervals along the axial direction thereof. Part of the air blown out from the air blowing port 413 flows through the heat dissipation channel 422 and is sucked out by the air suction port 413. By arranging a plurality of heat dissipation channels 422, the heat dissipation area is increased, and the heat dissipation efficiency is further improved.

In the above embodiment, as shown in fig. 1-7, after the two molds 42 are spliced, the air inlet 423 and the air outlet 424 are formed, wherein the size of the air blowing opening 414 is larger than the size of the air inlet 423, and the size of the air suction opening 413 is larger than the size of the air outlet 424. So that part of the wind blows toward the outer wall of the mold 42, further improving the heat dissipation efficiency.

In an embodiment, as shown in fig. 1-7, the tin ball detecting mechanism 3 includes a second bracket 31, a first supporting wheel 32, a detecting wheel 33 and a displacement sensor 34, wherein the first supporting wheel 32 is fixedly arranged on the second bracket 31, the detecting wheel 33 is floatingly arranged on the second bracket 31, semicircular grooves matched with the photovoltaic solder strips are arranged on the first supporting wheel 32 and the detecting wheel 33, and the displacement sensor 34 monitors the upward displacement distance of the detecting wheel 33; the first supporting wheel 32 and the detecting wheel 33 are tangent, two semicircular grooves form a hole matched with the photovoltaic solder strip, if the surface of the photovoltaic solder strip is provided with tin balls, the first supporting wheel 32 and the detecting wheel 33 cannot be contacted, the detecting wheel 33 is lifted, the displacement sensor 34 detects fluctuation of the detecting wheel 33, the existence of the tin balls is indicated, and then the detection of the tin balls is realized.

In one embodiment, as shown in fig. 1 to 7, the driving mechanism 2 includes a third bracket 21, a second supporting wheel 22, a driving wheel 23, and a motor (not shown), where the second supporting wheel 22 and the driving wheel 23 are disposed on the third bracket 21 in a vertically distributed manner, and the motor drives the driving wheel 33 to rotate. Wherein, the second supporting wheel 22 and the driving wheel 23 are also provided with semicircular grooves matched with the photovoltaic solder strip.

In an embodiment, as shown in fig. 1 to 7, the storage mechanism 1 includes a fourth bracket 11, a fixed shaft 12, a floating shaft 13 and a wire storage wheel 14, the fixed shaft 12 and the floating shaft 13 are disposed on the fourth bracket 11, the floating shaft 13 is vertically slidably connected with the fourth bracket 11, and the wire storage wheel 14 is disposed on the fixed shaft 12 and the floating shaft 13 in an aligned manner. Wherein the wire storage wheel 14 can rotate independently. When the photovoltaic welding strip is used, the photovoltaic welding strip is wound on the fixed shaft 12 and the wire storage wheel 14 of the floating shaft 13 in a reciprocating manner, and when the wire inlet end stops, the wire outlet end continues to drag and drives the floating shaft 13 to move upwards; when the wire inlet end continues to feed wires and the wire outlet end stops, the floating shaft 13 moves downwards, the distance between the floating shaft 13 and the fixed shaft 12 is increased, and the photovoltaic solder strip is stored.

The application method of the tin ball treatment equipment for the photovoltaic solder strip comprises the following steps: as shown in figures 1-7 of the drawings,

s1, preheating a module 42 to 150-180 ℃; the photovoltaic solder strip is driven to move through the driving mechanism 2, and meanwhile, the photovoltaic solder strip is detected through the tin bead detecting mechanism 3;

s2, after the tin ball detection mechanism 3 detects the tin ball, controlling the driving mechanism 2 to stop and lock so as to stop the photovoltaic solder strip from moving, and enabling the front-end storage mechanism 1 to output the solder strip produced by front-end equipment; and the winding mechanism winds the photovoltaic solder strip prestored by the discharging mechanism 1 at the rear end.

S3, rapidly heating the die 42 to 228-230 ℃, enabling the die 42 to act on the photovoltaic solder strip through the driving assembly 43, softening tin beads through heat transfer, stopping heating by the heating module after waiting for 2-5 seconds, starting the air blowing port 414 and the air suction port 413, and rapidly cooling the die 42 to 150-180 ℃;

s4, starting the driving mechanism 2 again, enabling the photovoltaic solder strip to move, and then opening the mold through the driving fault piece 43. Thus, the tin ball treatment is completed once.

The foregoing is merely a preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model; modifications and equivalent substitutions are intended to be included in the scope of the claims without departing from the spirit and scope of the present utility model.

Claims

1. A solder ball handling apparatus for a photovoltaic solder strip, comprising:

the tin ball detection mechanism, the tin ball processing mechanism and the driving mechanism are sequentially arranged between the two storage mechanisms;

the tin ball treatment mechanism comprises a first bracket, a die and a driving assembly, wherein a treatment area is arranged on the first bracket, two dies are oppositely arranged in the treatment area, a groove is arranged on the die, and after the two dies are contacted, the groove is spliced to form a shaping hole matched with the photovoltaic solder strip; a heating module is arranged on the die, and the heating module is utilized to heat the die; the driving assembly is arranged on the first bracket, and the driving assembly is utilized to drive the die to horizontally move.

2. The solder ball handling apparatus for a photovoltaic solder strip according to claim 1, wherein the driving assembly comprises a cylinder, a driving block, a slider, a guide rod and a spring, the guide rod is disposed on the first support, the slider and the spring are disposed on the guide rod, the slider is driven to move toward the first support by the spring, the driving block is slidably disposed on the first support, and the driving block is driven to reciprocate by the cylinder to drive the slider to move along the guide rod, and an inclined surface is disposed on the slider.

3. The solder ball handling apparatus for a photovoltaic solder strip of claim 2, wherein the side of the first bracket is provided with a chute, and the drive block is slidably disposed within the chute.

4. A solder ball handling apparatus for a photovoltaic solder strip according to claim 2, wherein the slider is a ceramic fiberboard.

5. The solder ball handling apparatus for a photovoltaic solder strip of claim 1, wherein the upper portion of the handling area is provided with a suction port and the lower portion of the handling area is provided with a blowing port.

6. The solder ball handling apparatus for a photovoltaic solder strip of claim 1, wherein the mold has a plurality of heat dissipation channels spaced axially therealong.

7. The solder ball processing device for a photovoltaic solder strip of claim 1, wherein the solder ball detection mechanism comprises a second bracket, a first support wheel, a detection wheel and a displacement sensor, wherein the first support wheel is fixedly arranged on the second bracket, the detection wheel is arranged on the second bracket in a floating manner, semicircular grooves matched with the photovoltaic solder strip are formed in the first support wheel and the detection wheel, and the displacement sensor monitors the upward displacement distance of the detection wheel.

8. The solder ball handling apparatus for a photovoltaic solder strip of claim 1, wherein the drive mechanism comprises a third bracket, a second support wheel, a drive wheel, and a motor, the second support wheel and the drive wheel are disposed on the third bracket in a vertically distributed manner, and the motor drives the drive wheel to rotate.

9. The solder ball handling apparatus for a photovoltaic solder strip of claim 1, wherein the storage mechanism comprises a fourth bracket, a fixed shaft, a floating shaft and a wire storage wheel, the fixed shaft and the floating shaft are arranged on the fourth bracket, the floating shaft is vertically and slidably connected with the fourth bracket, and the wire storage wheel is arranged on the fixed shaft and the floating shaft.