Continuous connection device for multiple welding strips

Abstract

The utility model relates to a splicing device for a plurality of welding strips, belongs to the technical field of welding, and solves the problems that the splicing operation of the plurality of welding strips in the prior art needs to be carried out independently after shutdown, and time is wasted. The splicing device comprises a bottom plate unit, a cover plate unit and a magnetic attraction unit, the bottom plate unit is rotationally connected with the cover plate unit, a plurality of welding strip assemblies can be placed on the bottom plate unit, when the cover plate unit presses the bottom plate unit downwards, the temperature for melting welding flux on the welding strip assemblies can be generated, and the welding strip assemblies can be welded at the same time. According to the splicing device, a plurality of welding strip assemblies can be welded at the same time, the splicing operation time is shortened, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding technical field especially relates to a kind of for the continuation device of multiple welding strips. BACKGROUND

[0002] With the rapid development of photovoltaic industry, the running speed of photovoltaic string welding machine is higher and higher, and with the increase of the number of grid of welding strip, it becomes more and more common to simultaneously carry out string welding operation on multiple welding strips.

[0003] At present, the operation of continuing welding strip is mostly to wind an old welding strip about to be used up with a new welding strip, and to separately carry out heating and welding. The continuation operation of multiple welding strips needs to be carried out separately after stopping, which wastes time and reduces production efficiency. How to reduce the downtime caused by the continuation of welding strip has become the direction that major welding machine manufacturers strive to solve.

[0004] Therefore, there is an urgent need for a continuation device for multiple welding strips to solve the problem that the continuation operation of multiple welding strips needs to be carried out separately after stopping, which wastes time. SUMMARY

[0005] In view of the above analysis, the embodiments of the utility model aim to provide a continuation device for multiple welding strips to solve the problem that the continuation operation of multiple welding strips needs to be carried out separately after stopping in the prior art, which wastes time.

[0006] The main purpose of the utility model is achieved through the following technical solutions:

[0007] A continuation device for multiple welding strips, comprising a bottom plate unit, a cover plate unit and a magnetic attraction unit, the bottom plate unit and the cover plate unit are rotationally connected, multiple welding strip assemblies can be placed on the bottom plate unit, and the cover plate unit can generate a temperature that melts the solder on the welding strip assemblies when it presses down the bottom plate unit, so as to simultaneously weld the multiple welding strip assemblies;

[0008] The bottom plate unit comprises a bottom plate body, positioning grooves and magnetic attraction grooves. The positioning grooves are arranged on the opposite sides of the bottom plate body, and the number of the positioning grooves on the opposite sides of the bottom plate body is the same. The positioning grooves are used to connect with the welding strip assemblies and separate the multiple welding strip assemblies. The magnetic attraction grooves are arranged on the bottom plate body, and the opening direction thereof faces the cover plate unit.

[0009] The magnetic attraction unit comprises multiple magnet blocks, and the multiple magnet blocks are fixedly connected with the hollow parts of the magnetic attraction grooves. The coil in the welding head generates an alternating magnetic field, which generates an induced current in the magnet and generates Joule heat in the magnet, so that the solder of the welding part is instantaneously melted, thereby welding the welding strip assemblies.

[0010] Further, the positioning grooves comprise a first groove and a second groove, the second groove is arranged on the inner wall of the first groove, and the opening direction of the second groove is the same as that of the first groove.

[0011] Further, the opening width of the second slot is smaller than the opening width of the first slot, the first slot is used for connecting the solder strip assembly with a larger opening width than the second slot, and the second slot is used for connecting the solder strip assembly with a smaller opening width than the second slot.

[0012] Further, the spacer unit further comprises a spacer body connected with the bottom plate body.

[0013] Further, the spacer unit further comprises a magnetic suction hole provided on the spacer body, the magnetic suction hole is a through hole, and the magnetic suction unit is capable of being connected with the magnetic suction hole.

[0014] Further, the spacer body is a ceramic spacer.

[0015] Further, the solder strip lock unit is provided on the side wall of the bottom plate body, and is used for being connected with the positioning slot and plugging the opening of the positioning slot.

[0016] Further, the solder strip lock unit comprises a locking rod and a rotating shaft, the rotating shaft is provided on the side wall of the bottom plate body, one end of the locking rod is rotationally connected with the rotating shaft, and the other end of the locking rod is capable of being connected with the positioning slot, the locking rod is used for plugging the positioning slot and preventing the solder strip assembly from being separated from the positioning slot.

[0017] Further, the solder strip lock unit further comprises a rotating shaft spring, the rotating shaft spring is sleeved on the rotating shaft, one end of the rotating shaft spring is connected with the rotating shaft, and the other end of the rotating shaft spring is connected with the locking rod, and the rotating shaft spring is used for keeping the position of the locking rod for plugging the positioning slot unchanged.

[0018] Further, the pin is used for hingedly connecting the bottom plate unit and the cover plate unit.

[0019] Compared with the prior art, the utility model at least can realize following beneficial effects one of:

[0020] (1) the positioning slot of the utility model can be connected with the solder strip assembly, and multiple solder strip assemblies are separated, so that the multiple solder strip assemblies are prevented from being connected; the continuation device of the utility model can simultaneously perform instant welding on multiple solder strip assemblies, reduces the continuation operation time, and improves the production efficiency;

[0021] (2) the opening width of the second slot is smaller than the opening width of the first slot, the first slot is used for connecting the solder strip assembly with a larger opening width than the second slot, and the second slot is used for connecting the solder strip assembly with a smaller opening width than the second slot, so that the positioning slot can limit multiple solder strip assemblies with different thicknesses, and the multiple solder strip assemblies with different thicknesses are prevented from being connected with each other;

[0022] (3) the rotating shaft spring of the utility model can keep the position of the locking rod unchanged when plugging the positioning groove, when connecting the welding strip assembly with the positioning groove, the welding strip assembly can push away the locking rod, after the welding strip assembly is connected with the positioning groove, the locking rod can return to the position of plugging the positioning groove under the action of the rotating shaft spring, the situation that the welding strip assembly is separated from the positioning groove due to accidental touch is prevented, the welding strip locking unit of the utility model can keep being connected with the positioning groove and plugging the opening of the positioning groove, the welding strip assembly is prevented from being separated from the positioning groove, and the welding strip splicing operation is facilitated.

[0023] The various technical solutions described above can be combined with each other to achieve more preferred combination solutions. Other features and advantages of the utility model will be described in the following content, and some advantages can become apparent from the description or can be understood by implementing the utility model. The purpose and other advantages of the utility model can be achieved and obtained through the content specifically pointed out in the description and the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0024] The drawings are only used for the purpose of showing specific embodiments and are not considered as limiting the utility model, and the same reference signs represent the same parts throughout the drawings.

[0025] Figure 1 It is a general structure schematic view of the splicing device of the utility model;

[0026] Figure 2 It is an exploded structure schematic view of the splicing device of the utility model;

[0027] Figure 3 It is a general structure schematic view of the bottom plate unit;

[0028] Figure 4 It is a general structure schematic view of the lock catch unit;

[0029] Figure 5 It is an exploded structure schematic view of the lock catch unit.

[0030] Reference signs:

[0031] 1-bottom plate unit; 2-cover plate unit; 3-pin; 4-magnetic attraction unit; 5-pad plate unit; 6-welding strip locking unit; 11-bottom plate body; 12-positioning groove; 13-magnetic attraction groove; 51-pad plate body; 52-magnetic attraction hole; 61-locking rod; 62-rotating shaft; 63-rotating shaft spring; 100-welding strip assembly; 101-welding part; 121 first groove; 122 second groove. DETAILED DESCRIPTION

[0032] The preferred embodiments of the utility model are described in detail below with reference to the drawings, wherein the drawings form part of the utility model and are used together with the embodiments of the utility model to explain the principles of the utility model, and are not used to limit the scope of the utility model.

[0033] Embodiment 1

[0034] As shown in a specific embodiment of the utility model, Figure 1 Disclosed is a splicing device for multiple welding strips (hereinafter referred to as a splicing device), which comprises a bottom plate unit 1, a cover plate unit 2 and a pin 3, the pin 3 is used for hinging the bottom plate unit 1 and the cover plate unit 2, the bottom plate unit 1 can place multiple welding strip assemblies 100, and the cover plate unit 2 can melt the solder on the welding strip assembly 100 when pressing the bottom plate unit 1, so as to weld the multiple welding strip assemblies 100 at the same time, reduce the splicing operation time and improve the production efficiency.

[0035] As shown in Figure 3 The welding strip assembly 100 is composed of the old welding strip about to be used up and the new welding strip to be spliced, and the winding part is the welding part 101. The welding strip comprises an outer wall, and the outer wall is solder. The welding part 101 is heated, the solder is melted, the old welding strip and the new welding strip of the welding part 101 can be welded, so as to achieve the purpose of splicing the welding strip.

[0036] Preferably, as shown in Figure 2 The bottom plate unit 1 comprises a bottom plate body 11 and a positioning groove 12, the positioning groove 12 is multiple and arranged on the opposite sides of the bottom plate body 11, and the number of the positioning grooves 12 on the opposite sides of the bottom plate body 11 is the same. The positioning groove 12 is used for connecting the welding strip assembly 100 and separating the multiple welding strip assemblies 100, so as to prevent the multiple welding strip assemblies 100 from being connected.

[0037] Preferably, as shown in Figure 4 The positioning groove 12 comprises a first groove 121 and a second groove 122, the second groove 122 is arranged on the inner wall of the first groove 121, and the opening direction of the second groove 122 is the same as that of the first groove 121. The opening width of the second groove 122 is smaller than that of the first groove 121. The first groove 121 is used for connecting the welding strip assembly 100 with a larger opening width than that of the second groove 122, and the second groove 122 is used for connecting the welding strip assembly 100 with a smaller opening width than that of the second groove 122, so that the positioning groove 12 can limit the multiple welding strip assemblies 100 with different thicknesses, and prevent the multiple welding strip assemblies 100 with different thicknesses from being connected to each other.

[0038] Preferably, the cover plate unit 2 is provided with a welding head (not shown in the figure), the welding head can generate a temperature to melt the solder, and the old welding strip and the new welding strip of the welding part 101 are welded.

[0039] Preferably, asFigure 2 As shown in the drawings, the bottom plate unit 1 further comprises a magnetic suction groove 13, which is arranged on the bottom plate body 11 and has an opening direction towards the cover plate unit 2. The continuation device of the embodiment further comprises a magnetic suction unit 4, which comprises a plurality of magnet blocks fixedly connected with the hollow part of the magnetic suction groove 13. The coil in the welding head generates an alternating magnetic field, which generates an induced current in the magnet and generates Joule heat in the magnet, and the solder of the welding part 101 is instantaneously melted and welded.

[0040] Preferably, as shown in the drawings, Figure 1 and Figure 2 The continuation device of the embodiment further comprises a backing plate unit 5, which comprises a backing plate body 51 connected with the bottom plate body 11 and a magnetic suction hole 52 arranged on the backing plate body 51. The magnetic suction hole 52 is a through hole, and the magnetic suction unit 4 can be connected with the magnetic suction hole 52. The backing plate body 51 is used to isolate the magnet blocks from the welding part 101, preventing the heat of the welding part 101 from being transmitted to the magnet blocks.

[0041] Preferably, the backing plate body 51 is a ceramic backing plate, which ensures that the welding part 101 and the backing plate unit 5 do not stick together during the continuation welding.

[0042] Preferably, as shown in the drawings, Figure 2 and Figure 3 When performing the continuation operation, the user connects the plurality of solder strip assemblies 100 with the positioning grooves 12 respectively, connects the welding part 101 with the backing plate body 51, presses the cover plate unit 2 towards the bottom plate unit 1, and powers on the welding head, so that the solder of the welding part 101 is instantaneously melted and welded.

[0043] Compared with the prior art, the continuation device of the embodiment can simultaneously instantaneously weld the plurality of solder strip assemblies 100, reduces the continuation operation time, and improves the production efficiency. The positioning grooves 12 are used to connect the solder strip assemblies 100 and separate the plurality of solder strip assemblies 100, preventing the plurality of solder strip assemblies 100 from being connected. The opening width of the second groove 122 is smaller than that of the first groove 121. The first groove 121 is used to connect the solder strip assemblies 100 with a larger opening width than the second groove 122, and the second groove 122 is used to connect the solder strip assemblies 100 with a smaller opening width than the second groove 122. The positioning grooves 12 can limit the solder strip assemblies 100 with different thicknesses, preventing the solder strip assemblies 100 with different thicknesses from being connected with each other.

[0044] Embodiment 2

[0045] A specific embodiment of the utility model, as shown in the drawings, Figure 4As shown, the welding strip locking unit 6 is added on the basis of the embodiment 1, the welding strip locking unit 6 is arranged on the side wall of the bottom plate body 11, the welding strip locking unit 6 is used for being connected with the positioning groove 12 and plugging the opening of the positioning groove 12, so as to prevent the welding strip assembly 100 from being separated from the positioning groove 12.

[0046] Preferably, as Figure 5 As shown, the welding strip locking unit 6 includes a locking rod 61, a rotating shaft 62 and a rotating shaft spring 63, the rotating shaft 62 is arranged on the side wall of the bottom plate body 11, one end of the locking rod 61 is rotationally connected with the rotating shaft 62, the other end of the locking rod 61 can be connected with the positioning groove 12, the locking rod 61 is used for plugging the positioning groove 12, so as to prevent the welding strip assembly 100 from being separated from the positioning groove 12; the rotating shaft spring 63 is sleeved on the rotating shaft 62, one end of the rotating shaft spring 63 is connected with the rotating shaft 62, the other end of the rotating shaft spring 63 is connected with the locking rod 61, the rotating shaft spring 63 is used for keeping the position of the locking rod 61 unchanged for plugging the positioning groove 12. When the welding strip assembly 100 is connected with the positioning groove 12, the welding strip assembly 100 can push away the locking rod 61, after the welding strip assembly 100 is connected with the positioning groove 12, the locking rod 61 is restored to the position for plugging the positioning groove 12 under the action of the rotating shaft spring 63, so as to prevent the welding strip assembly 100 from being separated from the positioning groove 12 due to accidental touch, and facilitate the welding strip splicing operation.

[0047] Compared with the embodiment 1, the welding strip locking unit 6 of the splicing device of the embodiment can keep being connected with the positioning groove 12 and plugging the opening of the positioning groove 12, so as to prevent the welding strip assembly 100 from being separated from the positioning groove 12.

[0048] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A device for connecting multiple welding strips, characterized in that: The invention comprises a base plate unit (1) and a cover plate unit (2), wherein the base plate unit (1) and the cover plate unit (2) are rotatably connected, a plurality of welding strip assemblies (100) can be placed on the base plate unit (1), and when the cover plate unit (2) presses down the base plate unit (1), the solder on the welding strip assemblies (100) can be melted, thereby simultaneously welding the plurality of welding strip assemblies (100); The bottom plate unit (1) comprises a bottom plate body (11), a positioning groove (12) and a magnetic attraction groove (13); the positioning grooves (12) are multiple and are arranged on two opposite sides of the bottom plate body (11); the number of the positioning grooves (12) on the two opposite sides of the bottom plate body (11) is the same; the positioning grooves (12) are used to connect with the welding ribbon assembly (100) and separate the multiple welding ribbon assemblies (100); the magnetic attraction groove (13) is arranged on the bottom plate body (11), and the opening direction faces the cover plate unit (2).

2. The device for connecting multiple welding strips according to claim 1, characterized in that: The invention also includes a magnetic attraction unit (4), which includes a plurality of magnet blocks, and the plurality of magnet blocks are fixedly connected to the hollow portion of the magnetic attraction groove (13); the coil in the welding head generates an alternating magnetic field, and the alternating magnetic field generates an induced current in the magnet, and generates Joule heat in the magnet, so that the solder of the welding part (101) melts, thereby welding the welding strip assembly (100).

3. The device for connecting multiple welding strips according to claim 1, characterized in that: The positioning groove (12) comprises a first groove (121) and a second groove (122); the second groove (122) is arranged on the inner wall of the first groove (121), and the opening direction of the second groove (122) is the same as that of the first groove (121).

4. The device for connecting multiple welding strips according to claim 3, characterized in that: The opening width of the second groove (122) is smaller than the opening width of the first groove (121); the first groove (121) is used to connect a welding ribbon assembly (100) having a larger opening width than the second groove (122); and the second groove (122) is used to connect a welding ribbon assembly (100) having a smaller opening width than the second groove (122).

5. The device for connecting multiple welding strips according to claim 1, characterized in that: It also includes a pad unit (5), wherein the pad unit (5) includes a pad body (51), and the pad body (51) is connected to the bottom plate body (11).

6. The device for connecting multiple welding strips according to claim 5, characterized in that: The pad unit (5) further comprises a magnetic hole (52), which is provided on the pad body (51), and the magnetic hole (52) is a through hole, and the magnetic unit (4) can be connected to the magnetic hole (52).

7. The device for connecting multiple welding strips according to claim 1, characterized in that: It also includes a welding strip locking unit (6), which is arranged on the side wall of the bottom plate body (11). The welding strip locking unit (6) is used to connect with the positioning groove (12) and seal the opening of the positioning groove (12).

8. The device for connecting multiple welding strips according to claim 7, characterized in that: The welding ribbon lock unit (6) comprises a locking rod (61) and a rotating shaft (62), wherein the rotating shaft (62) is arranged on the side wall of the base plate body (11), one end of the locking rod (61) is rotatably connected to the rotating shaft (62), and the other end of the locking rod (61) can be connected to the positioning groove (12), and the locking rod (61) is used to block the positioning groove (12) to prevent the welding ribbon assembly (100) from being separated from the positioning groove (12).

9. The device for connecting multiple welding strips according to claim 8, characterized in that: The welding strip lock unit (6) further comprises a rotating shaft spring (63), which is sleeved on the rotating shaft (62), one end of the rotating shaft spring (63) is connected to the rotating shaft (62), and the other end of the rotating shaft spring (63) is connected to the locking rod (61), and the rotating shaft spring (63) is used to keep the locking rod (61) in a position where it blocks the positioning groove (12).

10. The device for connecting multiple welding strips according to claim 1, characterized in that: It also comprises a pin (3) which is used for hinge-connecting the base plate unit (1) and the cover plate unit (2).

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