CN216359359U - Welding assisting mechanism of full-automatic solar cell series welding machine - Google Patents

Abstract

The utility model discloses a welding assisting mechanism of a full-automatic solar cell series welding machine, which comprises a base, wherein a shell is fixed on one side of the top of the base, first threaded rods are rotatably connected to the inner walls of two sides of the shell, the outer walls of two ends of each first threaded rod are in threaded connection with first threaded blocks, an electric push rod is fixedly installed at the bottom of each first threaded block, a pressing roller is connected to the bottom of each electric push rod in a switching mode through an installation frame, a welding assisting agent smearing mechanism is fixed at the bottom of the inner side of the shell, a bottom box is arranged on one side of the shell, frames are fixed on two sides of the top of the bottom box, a second threaded rod is connected to the inner side of each frame in a switching mode, a second threaded block is connected to the outer wall of each second threaded rod in a threaded mode, a transverse plate is fixedly connected between the two second threaded blocks, a welding assisting agent secondary smearing mechanism is fixed at the bottom of the transverse plate, and a recovery groove is arranged below the welding assisting agent secondary smearing mechanism. The utility model carries out secondary smearing on the soldering flux on the surface of the solder strip, treats the soldering flux on the surface of the solder strip more uniformly, and improves the subsequent welding quality.

Description

Welding assisting mechanism of full-automatic solar cell series welding machine

Technical Field

The utility model relates to the technical field of series welding machines for solar cells, in particular to a welding assisting mechanism of a full-automatic series welding machine for solar cells.

Background

The solar cell series welding machine is equipment for automatically welding the positive electrode and the negative electrode of a plurality of solar cells together in series under the control of a PLC, and comprises a solder strip distribution mechanism, a welding assisting mechanism, a solar silicon wafer feeding mechanism, a solar silicon wafer positioning mechanism and an automatic conveying welding carrying platform. A plurality of cell main grid lines are generally arranged on a solar cell, and a plurality of parallel welding strips need to be respectively welded on the plurality of main grid lines in series. In the series welding process of the solar cell, the welding strip is impregnated with or sprayed with the soldering flux, which is an important process and mainly has the functions of assisting heat conduction, removing oxides, reducing the surface tension of the welded material, removing oil stains on the surface of the welded material, increasing the welding area and preventing reoxidation.

In the prior art, in order to ensure that the welding strip is firmly welded to the main grid line of the battery piece and improve the welding efficiency, a common mode is to spray the welding strip with the soldering flux by using a soldering flux spraying device, the soldering flux is melted at high temperature to accelerate the welding between the welding strip and the main grid line, and the welding firmness is ensured. In practical application, a spraying port of the scaling powder spraying device is easy to block and pollute when a welding strip is sprayed, so that the welding strip is not uniformly sprayed, and the welding quality is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a welding assisting mechanism of a full-automatic solar cell series welding machine, which aims to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: a welding-assistant mechanism of a full-automatic solar cell series welding machine comprises a base, wherein a shell is fixedly arranged on one side of the top of the base, first threaded rods are rotatably connected to the inner walls of the two sides of the shell, first threaded blocks are in threaded connection with the outer walls of the two ends of each first threaded rod, an electric push rod is fixedly arranged at the bottom of each first threaded block, a mounting frame is fixedly connected to the bottom of the electric push rod, a pressing roller is rotatably connected to the inner side of the mounting frame, a plurality of guide grooves are uniformly formed in the outer wall of the pressing roller, a welding-assistant flux smearing mechanism is fixedly arranged at the bottom of the inner side of the shell, a bottom box is arranged on one side of the shell, frames are fixedly arranged on the two sides of the top of the bottom box, second threaded rods are rotatably connected to the inner side of each frame, second threaded blocks are in threaded connection with the outer walls of the second threaded rods, and transverse plates are fixedly connected between the second threaded blocks, the bottom of diaphragm is fixed with the scaling powder secondary and paints the mechanism, the below that the scaling powder secondary was paintd the mechanism is equipped with the accumulator.

Furthermore, the scaling powder smearing mechanism comprises a scaling powder liquid storage box, scaling powder is stored in the scaling powder liquid storage box, the bottom of the inner side of the scaling powder liquid storage box is rotatably connected with a plurality of supporting rollers which are arranged at equal intervals, traction supports are fixed on two sides of the scaling powder liquid storage box respectively, the top of each traction support is rotatably connected with a first traction roller and a second traction roller respectively, the welding strip passes through the first traction rollers and is placed in the scaling powder liquid storage box, the welding strip is fully contacted with the scaling powder, the surface of the welding strip is uniformly coated with the scaling powder, and the welding strip is guided out through the second traction rollers.

Furthermore, the scaling powder secondary smearing mechanism comprises side plates fixedly connected to two ends of the bottom of the transverse plate, a first scraping cylinder and a second scraping cylinder are sequentially and rotatably connected between the two side plates from bottom to top, one end of the first scraping cylinder penetrates through the side plates and is fixedly provided with a first belt pulley, one end of the second scraping cylinder penetrates through the same side plate and is fixedly provided with a second belt pulley, the second belt pulley is connected with the first belt pulley through belt transmission, a second motor is fixedly arranged at the bottom of one side of the other side plate, an output shaft of the second motor penetrates through the side plates and is fixedly connected with the first scraping cylinder, the second motor drives the first scraping cylinder to rotate, the first scraping cylinder synchronously drives the second scraping cylinder to rotate through a belt, and then simultaneously scrapes redundant scaling powder on the upper side and the lower side of the welding belt, and smears the scaling powder on the surface of the welding belt for the second time, the method can treat the soldering flux on the surface of the solder strip more uniformly, and improves the subsequent welding quality.

Furthermore, the bottom of the soldering flux liquid storage box is fixedly connected with a liquid discharge pipe, the tail end of the liquid discharge pipe is fixedly provided with a liquid discharge valve, and soldering flux in the soldering flux liquid storage box can be discharged from the liquid discharge pipe by opening the liquid discharge valve.

Further, first strike off a section of thick bamboo and second and strike off a section of thick bamboo and all include interior barrel, the outer wall of interior barrel is along the even fixedly connected with a plurality of telescopic link of circumferencial direction, the tip fixedly connected with arc of telescopic link, be connected with a plurality of spring between arc and the interior barrel outer wall, spring symmetric distribution is in the both sides of telescopic link, the outer wall of arc is fixed to bond has the felt, makes the arc and welds the adjustable distance between the area surface through telescopic link and spring to can adapt to the welding strip of different specifications, improve the suitability of equipment.

Further, feed inlet and discharge gate have been seted up respectively to the both sides lower extreme of casing, the external screw thread that length equals and opposite direction is seted up to the outer wall of first threaded rod, a casing lateral wall and fixedly connected with rocking handle are run through to the one end of first threaded rod, conveniently weld the area through feed inlet and discharge gate and get into and derive, drive first threaded rod through the rocking handle and rotate, and then make two first thread pieces can be in opposite directions or back on the other hand removal.

Furthermore, a first motor is fixed on one side of the top of the frame, an output shaft of the first motor is fixedly connected with the tops of the second threaded rods, chain wheels are fixed at the bottoms of the two second threaded rods, and the two chain wheels are in synchronous transmission connection through chains.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, by arranging the soldering flux smearing mechanism, the soldering strip is fully contacted with the soldering flux by passing through the first traction roller and placing the soldering strip in the soldering flux liquid storage box, so that the surface of the soldering strip is uniformly coated with the soldering flux, the quality guarantee is improved for subsequent soldering, and then the soldering strip is guided out through the second traction roller;

2. according to the scaling powder secondary smearing mechanism, the first scraping cylinder is driven to rotate by the second motor, the first scraping cylinder drives the second scraping cylinder to rotate synchronously through the belt, and then redundant scaling powder on the upper side and the lower side of a welding strip is scraped simultaneously, the scaling powder on the surface of the welding strip is smeared secondarily, the scaling powder on the surface of the welding strip can be treated more uniformly, the subsequent welding quality is improved, the distance between the arc-shaped plate and the surface of the welding strip is adjustable through the telescopic rod and the spring, so that the scaling powder secondary smearing mechanism can adapt to welding strips of different specifications, and the applicability of equipment is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a secondary flux application mechanism according to the present invention;

FIG. 3 is a front view of the down-pressure roller of the present invention;

fig. 4 is a cross-sectional view of a first doctoring cylinder and a second doctoring cylinder according to the present invention;

in the figure: 1. a base; 2. a housing; 3. a first threaded rod; 4. a first thread block; 5. an electric push rod; 6. A mounting frame; 7. pressing down the roller; 8. a guide groove; 9. a soldering flux applying mechanism; 91. a soldering flux liquid storage box; 92. a support roller; 93. a traction support; 94. a first traction roller; 95. a second traction roller; 96. A liquid discharge pipe; 10. a bottom box; 11. a frame; 12. a second threaded rod; 13. a second thread block; 14. a transverse plate; 15. a secondary soldering flux smearing mechanism; 151. a side plate; 152. a first scraping cylinder; 153. a second scraping cylinder; 154. a second motor; 155. an inner cylinder; 156. a telescopic rod; 157. an arc-shaped plate; 158. a spring; 159. Felt; 16. a recovery tank; 17. a rocking handle; 18. a first motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a welding assisting mechanism of a full-automatic solar cell series welding machine, which comprises a base 1, wherein a shell 2 is fixedly installed on one side of the top of the base 1, first threaded rods 3 are rotatably connected to the inner walls of the two sides of the shell 2, first threaded blocks 4 are respectively in threaded connection with the outer walls of the two ends of each first threaded rod 3, an electric push rod 5 is fixedly installed at the bottom of each first threaded block 4, an installation frame 6 is fixedly connected to the bottom of each electric push rod 5, a pressing roller 7 is rotatably connected to the inner side of each installation frame 6, a plurality of guide grooves 8 are uniformly formed in the outer wall of each pressing roller 7, a welding assisting agent smearing mechanism 9 is fixedly installed at the bottom of the inner side of the shell 2, a bottom box 10 is arranged on one side of the shell 2, frames 11 are respectively fixed to the two sides of the top of each bottom box 10, and second threaded rods 12 are rotatably connected to the inner sides of each frame 11, the outer wall of the second threaded rod 12 is in threaded connection with a second threaded block 13, a transverse plate 14 is fixedly connected between the two second threaded blocks 13, a soldering flux secondary smearing mechanism 15 is fixed at the bottom of the transverse plate 14, and a recovery groove 16 is arranged below the soldering flux secondary smearing mechanism 15.

In a preferred embodiment, the soldering flux smearing mechanism 9 includes a soldering flux liquid storage box 91, the soldering flux liquid storage box 91 stores soldering flux, the bottom of the inner side of the soldering flux liquid storage box 91 is rotatably connected with a plurality of supporting rollers 92 which are arranged at equal intervals, two sides of the soldering flux liquid storage box 91 are respectively fixed with a traction support 93, the top of the traction support 93 is respectively rotatably connected with a first traction roller 94 and a second traction roller 95, the soldering strip passes through the first traction roller 94 and is placed in the soldering flux liquid storage box 91, the soldering strip is fully contacted with the soldering flux, so that the surface of the soldering strip is uniformly coated with the soldering flux, and then the soldering strip is guided out through the second traction roller 95.

In a preferred embodiment, the flux secondary coating mechanism 15 includes side plates 151 fixedly connected to two ends of the bottom of the transverse plate 14, a first scraping cylinder 152 and a second scraping cylinder 153 are sequentially and rotatably connected between the two side plates 151 from bottom to top, one end of the first scraping cylinder 152 penetrates through the side plates 151 and is fixedly installed with a first belt pulley, one end of the second scraping cylinder 153 penetrates through the same side plate 151 and is fixedly installed with a second belt pulley, the second belt pulley is connected with the first belt pulley through a belt transmission, a second motor 154 is fixed at the bottom of one side of the other side plate 151, an output shaft of the second motor 154 penetrates through the side plates and is fixedly connected with the first scraping cylinder 152, the second motor drives the first scraping cylinder 152 to rotate, the first scraping cylinder 152 synchronously drives the second scraping cylinder 153 to rotate through a belt, and further scrapes off redundant flux on the upper and lower sides of the welding belt, and the soldering flux on the surface of the solder strip is coated for the second time, so that the soldering flux on the surface of the solder strip can be treated more uniformly, and the subsequent welding quality is improved.

In a preferred embodiment, a drain pipe 96 is fixedly connected to the bottom of the soldering flux liquid storage box 91, a drain valve is fixedly mounted at the end of the drain pipe 96, and the soldering flux in the soldering flux liquid storage box 91 can be discharged from the drain pipe 96 by opening the drain valve.

In a preferred embodiment, each of the first scraping cylinder 152 and the second scraping cylinder 153 includes an inner cylinder 155, a plurality of telescopic rods 156 are uniformly and fixedly connected to an outer wall of the inner cylinder 155 along a circumferential direction, an arc plate 157 is fixedly connected to an end of each of the telescopic rods 156, a plurality of springs 158 are connected between the outer walls of the arc plate 157 and the inner cylinder 155, the springs 158 are symmetrically distributed on two sides of each of the telescopic rods 156, a felt 159 is fixedly bonded to an outer wall of each of the arc plates 157, and a distance between each of the arc plates 157 and a surface of a welding strip is adjustable through the telescopic rods 156 and the springs 158, so that the welding strip can adapt to welding strips of different specifications, and the applicability of the device is improved.

In a preferred embodiment, feed inlet and discharge gate have been seted up respectively to the both sides lower extreme of casing 2, the external screw thread that length equals and opposite direction is seted up to the outer wall of first threaded rod 3, a lateral wall of casing and fixedly connected with rocking handle 17 are run through to the one end of first threaded rod 3, conveniently weld the area through feed inlet and discharge gate and get into and derive, drive first threaded rod 3 through rocking handle 17 and rotate, and then make two first thread pieces 4 can be in opposite directions or back of the body removal.

In a preferred embodiment, a first motor 18 is fixed on one side of the top of the frame 11, an output shaft of the first motor 18 is fixedly connected with the tops of the second threaded rods 12, chain wheels are fixed on the bottoms of the two second threaded rods 12, the two chain wheels are in synchronous transmission connection through chains, the first motor 18 drives the second threaded rods 12 to rotate, and then the second threaded blocks 13, the transverse plate 14 and the secondary soldering flux smearing mechanism 15 are driven to move in the vertical direction.

The working principle of the utility model is as follows: firstly, a welding strip is sequentially guided into the shell 2 from a feeding hole, the welding strip is fully contacted with the soldering flux by passing the welding strip through the first traction roller 94 and placing the welding strip into the soldering flux liquid storage box 91, so that the surface of the welding strip is uniformly coated with the soldering flux, the quality guarantee is improved for the subsequent welding, and then the welding strip is guided out through the second traction roller 95; the second threaded rod 12 is driven to rotate by the first motor 18, the second threaded block 13 is further driven, the transverse plate 14 and the scaling powder secondary smearing mechanism 15 move in the vertical direction, the welding strip is located between the first scraping cylinder 152 and the second scraping cylinder 153, the first scraping cylinder 152 is driven to rotate by the second motor, the first scraping cylinder 152 synchronously drives the second scraping cylinder 153 to rotate through the belt, and further, redundant scaling powder on the upper side and the lower side of the welding strip is scraped simultaneously, secondary smearing is carried out on the scaling powder on the surface of the welding strip, the scaling powder on the surface of the welding strip can be more uniformly treated, subsequent welding quality is improved, the distance between the arc-shaped plate 157 and the surface of the welding strip is adjustable through the telescopic rod 156 and the spring 158, therefore, the welding strip can adapt to welding strips of different specifications, and the applicability of equipment is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a full-automatic solar wafer stringer helps welding machine and constructs, includes base (1), its characterized in that: the welding flux applying mechanism is characterized in that a shell (2) is fixedly mounted on one side of the top of the base (1), first threaded rods (3) are rotatably connected to inner walls of two sides of the shell (2), first threaded blocks (4) are connected to outer walls of two ends of each first threaded rod (3) in a threaded manner, an electric push rod (5) is fixedly mounted at the bottom of each first threaded block (4), a mounting frame (6) is fixedly connected to the bottom of each electric push rod (5), a pressing roller (7) is rotatably connected to the inner side of each mounting frame (6), a plurality of guide grooves (8) are uniformly formed in the outer wall of each pressing roller (7), a welding flux applying mechanism (9) is fixedly arranged at the bottom of the inner side of the shell (2), a bottom box (10) is arranged on one side of the shell (2), frames (11) are fixedly arranged on two sides of the top of the bottom box (10), and second threaded rods (12) are rotatably connected to the inner sides of the frames (11), the outer wall threaded connection of second threaded rod (12) has second screw thread piece (13), two fixedly connected with diaphragm (14) between second screw thread piece (13), the bottom of diaphragm (14) is fixed and is paintd mechanism (15) for the scaling powder secondary, the below of mechanism (15) is paintd to the scaling powder secondary is equipped with accumulator (16).

2. The full-automatic solar cell series welding machine soldering assisting mechanism of claim 1, wherein: mechanism (9) is paintd to scaling powder includes that the scaling powder deposits liquid box (91), the scaling powder deposits liquid box (91) storage and has the scaling powder, the inboard bottom rotation that liquid box (91) was deposited to the scaling powder is connected with supporting roll (92) that a plurality of equidistance set up, the both sides that liquid box (91) was deposited to the scaling powder all are fixed with and pull support (93), the top of pulling support (93) rotates respectively and is connected with first pull cylinder (94) and second and pulls cylinder (95).

3. The full-automatic solar cell series welding machine soldering assisting mechanism of claim 1, wherein: scaling powder secondary daubs mechanism (15) including curb plate (151) fixed connection in diaphragm (14) bottom both ends, two follow supreme rotation in proper order down between curb plate (151) and be connected with first scraping a section of thick bamboo (152) and second and scrape a section of thick bamboo (153), the one end that first scrapes a section of thick bamboo (152) runs through curb plate (151) and fixed mounting has first belt pulley, the one end that the second scraped a section of thick bamboo (153) runs through with curb plate (151) and fixed mounting has the second belt pulley, the second belt pulley passes through belt transmission with first belt pulley and is connected, another one side bottom of curb plate (151) is fixed with second motor (154), the output shaft of second motor (154) runs through curb plate and first scraping a section of thick bamboo (152) fixed connection.

4. The full-automatic solar cell series welding machine soldering assisting mechanism of claim 2, wherein: the bottom of the soldering flux liquid storage box (91) is fixedly connected with a liquid discharge pipe (96), and the tail end of the liquid discharge pipe (96) is fixedly provided with a liquid discharge valve.

5. The full-automatic solar cell series welding machine soldering assisting mechanism of claim 3, wherein: the first scraping cylinder (152) and the second scraping cylinder (153) both comprise an inner cylinder body (155), the outer wall of the inner cylinder body (155) is uniformly and fixedly connected with a plurality of telescopic rods (156) along the circumferential direction, the end parts of the telescopic rods (156) are fixedly connected with an arc-shaped plate (157), a plurality of springs (158) are connected between the arc-shaped plate (157) and the outer wall of the inner cylinder body (155), the springs (158) are symmetrically distributed on two sides of the telescopic rods (156), and felts (159) are fixedly bonded on the outer wall of the arc-shaped plate (157).

6. The full-automatic solar cell series welding machine soldering assisting mechanism of claim 1, wherein: feed inlet and discharge gate have been seted up respectively to the both sides lower extreme of casing (2), the external screw thread that length equals and opposite direction is seted up to the outer wall of first threaded rod (3), the one end of first threaded rod (3) runs through casing (2) a lateral wall and fixedly connected with rocking handle (17).

7. The full-automatic solar cell series welding machine soldering assisting mechanism of claim 1, wherein: a first motor (18) is fixed on one side of the top of the frame (11), an output shaft of the first motor (18) is fixedly connected with the tops of the second threaded rods (12), chain wheels are fixed at the bottoms of the two second threaded rods (12), and the two chain wheels are connected through a chain in a synchronous transmission mode.

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