CN221695756U - Dispensing welding mechanism for battery strings and series welding machine - Google Patents

Abstract

The utility model discloses a glue spot welding mechanism for battery strings, including a lower UV lamp transmission component and a battery string cutting component connected and arranged, the battery string cutting component performs a cutting operation on a fixed number of battery strings; an upper UV lamp component and an infrared stove component are respectively arranged above the lower UV lamp transmission component in sequence, the lower UV lamp transmission component and the upper UV lamp component cooperate to perform a glue spot curing operation, and the infrared stove component performs a low-temperature infrared welding operation; a jig handling component movably arranged on the side of the UV lamp transmission component, which is arranged between the infrared stove component and the battery string cutting component. The utility model also discloses a string welding machine for battery strings. The utility model can reduce the breakage rate of thin battery sheets to a certain extent by combining low-temperature infrared welding and gluing.

Description

A glue dispensing welding mechanism and string welding machine for battery string

Technical Field

The utility model relates to the technical field of welding mechanisms, and in particular to a glue dispensing welding mechanism and a string welding machine for battery strings.

Background Art

In recent years, the price of silicon materials for photovoltaics has continued to rise. Reducing the amount of silicon materials is one of the important means to reduce costs in the photovoltaic industry. Thinning the thickness of battery cells is the inevitable direction of silicon material cost reduction, which is an industry consensus. After the battery cells are thinned, the traditional welding ribbons and battery cells are directly connected to the high-temperature welding method to string them together. The high breakage rate has become a technical bottleneck in the industry. Therefore, a dispensing welding mechanism and a stringing machine for battery strings are provided to solve the problem of high breakage rate of existing thin battery cells.

Utility Model Content

One of the purposes of the utility model is to provide a dispensing welding mechanism and a string welding machine for battery strings, so as to solve the problem of high breakage rate of existing thin battery sheets.

The utility model provides a dispensing welding mechanism and a string welding machine for battery strings, which can be realized by the following technical solutions:

The utility model discloses a glue spot welding mechanism for battery strings, comprising a lower UV lamp transmission component and a battery string cutting component which are connected and arranged, wherein the battery string cutting component cuts off a fixed number of battery strings; an upper UV lamp component and an infrared stove component which are arranged in sequence above the lower UV lamp transmission component, wherein the lower UV lamp transmission component and the upper UV lamp component cooperate to perform a glue spot curing operation, and the infrared stove component performs a low-temperature infrared welding operation; and a jig transport component which is movably arranged on the side of the UV lamp transmission component and is arranged between the infrared stove component and the battery string cutting component.

In one embodiment, the lower UV lamp transmission assembly includes a first conveyor belt mechanism and a lower UV lamp mechanism; the lower UV lamp mechanism is fixedly arranged on the conveyor belt mechanism.

In one embodiment, the first conveyor belt mechanism includes a support platform, a conveying motor and a conveyor belt; the support platform is a supporting body, and the lower UV lamp mechanism is fixedly arranged on the support platform; the conveying motor is arranged on the side of the support platform; the conveyor belt is movably arranged on the support platform and is transmission-connected to the conveying motor.

In one embodiment, the upper UV lamp assembly includes a first support frame, a first lifting mechanism and an upper UV lamp mechanism; the first support frame is fixedly arranged on the side of the lower UV lamp transmission assembly; the first lifting mechanism is movably arranged on the first support frame; and the upper UV lamp mechanism is fixedly arranged on the first lifting mechanism.

In one embodiment, the lower UV lamp mechanism and the upper UV lamp mechanism both include a plurality of UV lamps, and the plurality of UV lamps are evenly and equidistantly arranged.

In one embodiment, the infrared stove assembly includes a second support frame, a fixed cavity and a plurality of infrared lamps; the second support frame is fixedly arranged on the lower UV lamp transmission assembly; the fixed cavity is fixedly arranged on the second support frame; and the plurality of infrared lamps are evenly arranged in the fixed cavity.

In one embodiment, the jig transport assembly includes a third support frame, a transverse movement mechanism, a second lifting mechanism and a jig adsorption mechanism; the third support frame is fixedly arranged on the side of the lower UV lamp transmission assembly and is arranged at the rear end of the infrared stove assembly; the transverse movement mechanism is movably arranged on the third support frame; the second lifting mechanism is movably arranged on the transverse movement mechanism; and the jig adsorption mechanism is fixedly arranged on the second lifting mechanism.

In one embodiment, the battery string cutting assembly includes a second conveyor belt mechanism, a position sensing mechanism and a solder strip cutting mechanism; the second conveyor belt mechanism is connected to one end of the lower UV lamp conveying assembly; the position sensing mechanism and the solder strip cutting mechanism are respectively arranged on the second conveyor belt mechanism.

In one embodiment, the position sensing mechanism uses an infrared sensor.

A string welding machine for battery strings comprises any of the above-mentioned dispensing welding mechanisms.

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

The utility model discloses a glue dispensing welding mechanism and a string welding machine for battery strings, which first glue the welding strips on the front and back sides, and then weld the battery cell and the welding strips through low-temperature infrared welding, thereby changing the original high-temperature welding into low-temperature welding, and reducing the breakage rate of the welding process to a certain extent; at the same time, by adding the back-side gluing process, the fit and tension of the welding strip and the battery cell are greatly improved, thereby reducing the resistance at the connection between the welding strip and the battery cell, improving the transmission efficiency of electric energy, and reducing the loss of electric energy; by adopting the mutual cooperation mode of low-temperature infrared welding and gluing, the tension between the welding strip and the battery cell is increased, so that the risk of separation of the welding strip and the battery cell is reduced in the subsequent production process, the qualified rate and production efficiency in the production process are improved, and the production cost is reduced.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

1 is a schematic structural diagram of a dispensing welding mechanism for a battery string of the present invention, comprising a lower UV lamp transmission assembly, an upper UV lamp assembly, an infrared stove assembly, a jig transfer assembly and a battery string cutting assembly;

FIG2 is a schematic diagram of the structure of the lower UV lamp transmission assembly shown in FIG1;

FIG3 is a schematic structural diagram of the upper UV lamp assembly shown in FIG1 ;

FIG4 is a schematic structural diagram of the infrared cooker assembly shown in FIG1 ;

FIG5 is a schematic diagram of the structure of the jig handling assembly shown in FIG1 ;

FIG. 6 is a schematic structural diagram of the battery string cutting assembly shown in FIG. 1 .

Indications in the figure: 10, lower UV lamp transmission assembly; 11, first conveyor belt mechanism; 111, support table; 112, transmission motor; 113, conveyor belt; 12, lower UV lamp mechanism; 20, upper UV lamp assembly; 21, first support frame; 22, first lifting mechanism; 23, upper UV lamp mechanism; 30, infrared stove assembly; 31, second support frame; 32, fixed cavity; 33, infrared lamp; 40, jig handling assembly; 41, third support frame; 42, transverse movement mechanism; 43, second lifting mechanism; 44, jig adsorption mechanism; 50, battery string cutting assembly; 51, second conveyor belt mechanism; 52, position sensing mechanism; 53, welding strip cutting mechanism.

DETAILED DESCRIPTION

In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a partial embodiment of the utility model, not all embodiments. Generally, the components of the embodiment of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

Please refer to FIG. 1 , the utility model is a glue dispensing welding mechanism for battery strings, which mainly includes a lower UV lamp conveying assembly 10, an upper UV lamp assembly 20, an infrared stove assembly 30, a jig handling assembly 40 and a battery string cutting assembly 50; the lower UV lamp conveying assembly 10 conveys the battery slices and jigs on which the glue dispensing on the front and back sides is completed, and performs a curing operation on the glue spots on the back of the battery slice; the upper UV lamp assembly 20 is movably arranged directly above the lower UV lamp conveying assembly 10, and cooperates with the lower UV lamp conveying assembly 10 to perform a curing operation on the glue spots on the front and back of the battery slice; the The infrared stove assembly 30 is fixedly arranged directly above the lower UV lamp conveying assembly 10 and at the rear end of the upper UV lamp assembly 20, and performs infrared welding operations on the battery cells and the front and back solder strips passing thereunder; the jig transporting assembly 40 is movably arranged on the side of the UV lamp conveying assembly 10 and at the rear end of the infrared stove assembly 30, and performs transport and picking operations on the jigs arranged on the battery cells; the battery string cutting assembly 50 is connected and arranged on one side of the UV lamp conveying assembly 10, and performs cutting operations on the front and back solder strips of a fixed length, thereby forming a battery string with a fixed number of sheets.

Please refer to FIG. 1 and FIG. 2 . In this embodiment, the lower UV lamp conveying assembly 10 includes a first conveyor belt mechanism 11 and a lower UV lamp mechanism 12. The first conveyor belt mechanism 11 conveys the reverse solder strips, battery cells, reverse solder strips and jigs that are sequentially disposed thereon and have been glued. The lower UV lamp mechanism 12 is fixedly disposed on the first conveyor belt mechanism 11 and performs a curing operation on the glue points on the reverse solder strips that pass over it. Specifically, the lower UV lamp mechanism 12 includes a plurality of UV lamps, and the plurality of UV lamps are fixedly disposed on the first conveyor belt mechanism 11 at equal intervals and uniformly.

Please refer to FIG. 2 . In this embodiment, the first conveyor belt mechanism 11 includes a support platform 111, a conveying motor 112 and a conveying belt 113. The support platform 111 is a supporting body. The lower UV lamp mechanism 12 is fixedly arranged on the support platform 111. The light emitted by the lower UV lamp mechanism 12 can pass through the conveying belt 113. The conveying motor 112 is arranged on the side of the support platform 111. The conveying belt 113 is movably arranged on the support platform 111 and is in transmission connection with the conveying motor 112. The conveying motor 112 drives the conveying belt 113 to move, thereby realizing the conveying operation. Specifically, the conveying motor 112 adopts a servo motor, thereby ensuring accurate conveying operation.

Please refer to FIG. 1 and FIG. 3 . In this embodiment, the upper UV lamp assembly 20 includes a first support frame 21, a first lifting mechanism 22 and an upper UV lamp mechanism 23. The first support frame 21 is fixedly arranged on the side of the lower UV lamp transmission assembly 10. The first lifting mechanism 22 is movably arranged on the first support frame 21. The upper UV lamp mechanism 23 is fixedly arranged on the first lifting mechanism 22. The first lifting mechanism 22 drives the upper UV lamp mechanism 23 to move longitudinally, so as to perform a curing operation on the glue point on the front welding strip that moves to the bottom of the upper UV lamp mechanism 23. Specifically, the first lifting mechanism 22 adopts the existing technology, so its specific working process and the model adopted are not described here, as long as it meets the requirements of this application. The upper UV lamp mechanism 23 includes a plurality of UV lamps, and the plurality of UV lamps are fixedly arranged on the first lifting mechanism 22 at equal distances.

Please refer to Figures 1 and 4. In this embodiment, the infrared stove assembly 30 includes a second support frame 31, a fixed cavity 32 and a plurality of infrared lamps 33; the second support frame 31 is fixedly arranged on the lower UV lamp transmission assembly 10; the fixed cavity 32 is fixedly arranged on the second support frame 31; a plurality of infrared lamps 33 are evenly arranged in the fixed cavity 32, and the infrared light emitted by them can be transmitted from the second support frame 31 to the battery cell and the front and back welding strips directly below it.

Please refer to Figures 1 and 5. In this embodiment, the jig transport assembly 40 includes a third support frame 41, a transverse movement mechanism 42, a second lifting mechanism 43 and a jig adsorption mechanism 44; the third support frame 41 is fixedly arranged on the side of the lower UV lamp conveying assembly 10 and is arranged at the rear end of the infrared stove assembly 30; the transverse movement mechanism 42 is movably arranged on the third support frame 41; the second lifting mechanism 43 is movably arranged on the transverse movement mechanism 42, and the transverse movement mechanism 42 drives the second lifting mechanism 43 to move horizontally; the jig adsorption mechanism 44 is fixedly arranged on the second lifting mechanism 43, and the second lifting mechanism 43 drives the jig adsorption mechanism 44 to move longitudinally, and the jig adsorption mechanism 44 is driven by the cooperation of the transverse movement mechanism 42 and the second lifting mechanism 43 to sequentially transfer and pick up the jigs on the lower UV lamp conveying assembly 10. Specifically, the transverse movement mechanism 42, the second lifting mechanism 43 and the fixture adsorption mechanism 44 all adopt existing technologies, so the specific working processes and models adopted by the three are not described here, as long as they meet the requirements of this application.

Please refer to FIG. 1 and FIG. 6 . In this embodiment, the battery string cutting assembly 50 includes a second conveyor belt mechanism 51, a position sensing mechanism 52 and a welding strip cutting mechanism 53; the second conveyor belt mechanism 51 is connected to one end of the lower UV lamp conveying assembly 10, and performs a conveying operation on the battery cells; the position sensing mechanism 52 and the welding strip cutting mechanism 53 are respectively arranged on the second conveyor belt mechanism 51, the position sensing mechanism 52 senses the number of battery cells passing through in real time, and the welding strip cutting mechanism 53 simultaneously cuts the front welding strip and the back welding strip of a fixed length, thereby forming a battery string with a fixed number of sheets. Specifically, the second conveyor belt mechanism 51 and the welding strip cutting mechanism 53 both adopt the existing technology, so the specific working process and the model adopted by the two are not described here, as long as they meet the requirements of this application; the position sensing mechanism 52 adopts an infrared sensor.

The utility model provides a string welding machine for battery strings, comprising any one of the above-mentioned glue dispensing welding mechanisms.

It should be noted that the specific working process of the glue dispensing welding mechanism and string welding machine for battery strings of the utility model is as follows: the reverse soldering tape, battery cell, front soldering tape and jig arranged in sequence are moved to the relative position of the lower UV lamp mechanism 12 and the upper UV lamp assembly 20 under the transmission of the first conveyor belt mechanism 11, and the lower UV lamp mechanism 12 and the upper UV lamp assembly 20 cooperate to cure the glue spots on the front and back soldering tapes; the cured front and back soldering tapes, battery cells and jigs are moved to the lower part of the infrared stove assembly 30 under the transmission of the first conveyor belt mechanism 11 to cure the front and back soldering tapes. The surface welding tape and the battery cell are subjected to low-temperature infrared welding operation; the battery cell and the jig after welding are then moved to the jig removal position of the jig handling assembly 40 under the conveyance of the first conveyor belt mechanism 11, and the jig handling assembly 40 performs a handling operation on multiple jigs in turn; then the first conveyor belt mechanism 11 drives the battery cell to move to the battery string cutting assembly 50, and according to the set number of battery cells, the welding tape cutting mechanism 53 cuts the front and back welding tapes to make them into a battery string with a fixed number of sheets; then the second conveyor belt mechanism 51 transmits the cut battery string to the subsequent workstation.

The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

The above-mentioned embodiments only express several implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims (10)

1. The spot gluing welding mechanism for the battery strings is characterized by comprising a lower UV lamp transmission assembly and a battery string cutting assembly which are connected, wherein the battery string cutting assembly cuts off the battery strings with fixed number; the upper UV lamp assembly and the infrared stove assembly are sequentially arranged above the lower UV lamp conveying assembly, the lower UV lamp conveying assembly and the upper UV lamp assembly are matched to carry out glue spot curing operation, and the infrared stove assembly carries out low-temperature infrared welding operation; the movable fixture carrying assembly is arranged on the side edge of the UV lamp conveying assembly and is arranged between the infrared stove assembly and the battery serial cutting assembly.

2. The spot welding mechanism for a battery string of claim 1, wherein the lower UV lamp transfer assembly comprises a first conveyor mechanism and a lower UV lamp mechanism; the lower UV lamp mechanism is fixedly arranged on the first conveyor belt mechanism.

3. The spot-welding mechanism for a battery string as recited in claim 2, wherein the first conveyor mechanism comprises a support table, a conveyor motor, and a conveyor belt; the supporting table is a supporting main body, and the lower UV lamp mechanism is fixedly arranged on the supporting table; the conveying motor is arranged at the side edge of the supporting table; the conveying belt is movably arranged on the supporting table and is in transmission connection with the conveying motor.

4. The spot-welding mechanism for a battery string of claim 2, wherein the upper UV lamp assembly comprises a first support frame, a first lift mechanism, and an upper UV lamp mechanism; the first supporting frame is fixedly arranged on the side edge of the lower UV lamp conveying assembly; the first lifting mechanism is movably arranged on the first supporting frame; the upper UV lamp mechanism is fixedly arranged on the first lifting mechanism.

5. The spot-welding mechanism for a battery string of claim 4, wherein the lower UV lamp mechanism and the upper UV lamp mechanism each comprise a plurality of UV lamps, the plurality of UV lamps being equally spaced.

6. The spot-welding mechanism for a battery string of claim 1, wherein the infrared range assembly comprises a second support frame, a stationary cavity, and a plurality of infrared lamps; the second supporting frame is fixedly and penetratingly arranged on the lower UV lamp conveying assembly; the fixed cavity is fixedly arranged on the second supporting frame; the infrared lamps are uniformly arranged in the fixing cavity.

7. The spot-welding mechanism for a battery string of claim 1, wherein the jig handling assembly comprises a third support frame, a traversing mechanism, a second lifting mechanism, and a jig adsorbing mechanism; the third support frame is fixedly arranged on the side edge of the lower UV lamp transmission assembly and is arranged at the rear end of the infrared stove assembly; the transverse moving mechanism is movably arranged on the third supporting frame; the second lifting mechanism is movably arranged on the transverse moving mechanism; the jig adsorption mechanism is fixedly arranged on the second lifting mechanism.

8. The spot-welding mechanism for a battery string of claim 1, wherein the battery string cutting assembly comprises a second conveyor belt mechanism, a position sensing mechanism, and a weld-strip cutting mechanism; the second conveyor belt mechanism is connected with one end of the lower UV lamp conveying assembly; the position sensing mechanism and the welding strip cutting mechanism are respectively arranged on the second conveying belt mechanism.

9. The spot-welding mechanism for a battery string of claim 8, wherein the position sensing mechanism employs an infrared sensor.

10. A string welder for battery strings, comprising the spot-welding mechanism of any of claims 1-9.