CN220612578U

CN220612578U - Welding device

Info

Publication number: CN220612578U
Application number: CN202322241403.2U
Authority: CN
Inventors: 吉鹏飞; 秦鹏
Original assignee: Changshu Telian Precision Devices Co ltd; Atlas Sunshine Power Group Co Ltd
Current assignee: Changshu Telian Precision Devices Co ltd; Canadian Solar Inc
Priority date: 2023-08-21
Filing date: 2023-08-21
Publication date: 2024-03-19
Anticipated expiration: 2033-08-21

Abstract

The present utility model provides a welding device, comprising: the welding machine comprises a frame, a bearing jig positioned on the frame, an upper electrode movably connected to the frame and positioned above the bearing jig, a lower electrode movably connected to the frame and positioned below the bearing jig, a polishing mechanism for polishing the welding part of the upper electrode, and a transmission mechanism, wherein the bearing jig comprises a welding area for placing a diode to be welded, a through hole which is formed in the welding area and penetrates through the welding area up and down, the lower electrode can penetrate through the through hole to be in contact with the diode to be welded, the polishing mechanism is positioned on one side of the bearing jig, and the transmission mechanism can transmit the upper electrode between the welding area and the polishing mechanism. Above-mentioned welding set is through fixing the grinding machanism in the frame, need not dismantle when upper electrode needs to polish, directly transmits upper electrode to grinding machanism through transmission mechanism and polishes, saves the time that upper electrode maintained, promotes output.

Description

Welding device

Technical Field

The utility model relates to the technical field of photovoltaic equipment, in particular to a welding device.

Background

The terminal box is the important spare part of photovoltaic module, current photovoltaic terminal box installs bypass diode on the inside conducting strip of box body, and at present most commonly adopts diode to add tin welding process, at welded in-process, there is the tin material residue on the welding head, influences welded effect, generally dismantles the welding head and polishes the butt joint after welding a certain amount of diode, polishes away the tin material on the welding head, and at the in-process of dismantling the welding head of polishing, welding equipment can not normally work, and then can influence the productivity of welding diode.

In view of the above, there is a need to design a new welding device to solve the above problems.

Disclosure of Invention

The present utility model provides a welding device to solve the above-mentioned problems.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the present utility model provides a welding device, comprising:

a frame;

the bearing jig is positioned on the rack and comprises a welding area for placing a sample to be welded and a through hole which is arranged in the welding area and penetrates through the welding area up and down;

the upper electrode is movably connected to the frame and is positioned above the bearing jig;

the lower electrode is movably connected to the frame and positioned below the bearing jig, and can pass through the through hole to be contacted with a sample to be welded;

the polishing mechanism is used for polishing the welding part of the upper electrode and is positioned on one side of the bearing jig;

and the transmission mechanism can transmit the upper electrode between the welding area and the polishing mechanism.

Further, the polishing mechanism comprises a body, a polishing part positioned on the body and a driving motor for driving the body to move or rotate.

Further, the polishing portion is annular, and the width of the polishing portion is not smaller than the diameter of the welding portion.

Further, the arrangement direction of the welding areas is consistent with the arrangement direction of the bearing jig and the polishing mechanism.

Further, the transmission mechanism comprises a transmission support, a transmission arm connected to the transmission support, an upper driving part fixed on the transmission support, and a transmission motor fixed on the transmission arm, wherein the transmission arm extends along the arrangement direction of the bearing jig and the polishing mechanism, the upper driving part is positioned above the transmission arm, and the upper electrode is arranged at the lower part of the transmission arm and is in driving connection with the upper driving part.

Further, the welding device further comprises a driving mechanism arranged below the bearing jig, the driving mechanism comprises a base, a fixing structure movably connected to the base and a lower driving piece for driving the fixing structure to move up and down, and the lower electrode is fixed on the upper portion of the fixing structure.

Further, the lower electrode is provided with a plurality of lower electrodes, and the lower electrodes are arranged at intervals along the arrangement direction of the bearing jig and the polishing mechanism.

Further, the number of the lower electrodes is an integer multiple of the number of the upper electrodes; or the lower electrodes are in one-to-one correspondence with the welding areas positioned in the same row.

Further, the welding device further comprises a pressure sensor for sensing the welding pressure of the welding part and a height sensor for detecting the height of the welding part, wherein the height sensor is fixed on the frame and is positioned on the same straight line with the polishing mechanism.

Further, the welding device further comprises a pair of conveyor belts for conveying the bearing jig along the vertical conveying direction and a limiting mechanism arranged between the conveyor belts for preventing the bearing jig from moving along the vertical conveying direction.

Compared with the prior art, the utility model has the beneficial effects that: according to the welding device, the upper electrode is directly transmitted to the polishing mechanism for polishing through the transmission mechanism without being disassembled when the upper electrode needs to be polished through the polishing mechanism fixed on the frame, so that the maintenance time of the upper electrode is saved, the production efficiency is improved, and the welding device is simple in structure, convenient to operate and convenient to popularize.

Drawings

Fig. 1 is a schematic perspective view of a welding device according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of a partial structure at a in fig. 1.

Fig. 3 is a schematic view of a partial structure at B in fig. 1.

Fig. 4 is a schematic perspective view of the driving mechanism in fig. 1.

The device comprises a 101-metal substrate, a 102-diode, a 1-rack, a 11-conveyor belt, a 2-bearing jig, a 21-welding area, a 22-through hole, a 31-upper electrode, a 311-welding part, a 32-upper conductive piece, a 33-lower electrode, a 34-lower conductive piece, a 4-polishing mechanism, a 41-body, a 42-polishing part, a 5-transmission mechanism, a 51-transmission bracket, a 52-transmission arm, a 53-upper driving piece, a 54-transmission motor, a 6-driving mechanism, a 61-base, a 62-fixing structure, a 63-lower driving piece, a 7-height sensor, an 8-pressure sensor, a 9-limiting mechanism, a 91-limiting base and a 92-limiting column.

Detailed Description

In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the orientation or positional relationship indicated in the present utility model is based on the orientation or positional relationship shown in the auxiliary drawings, which is merely for simplifying the description of the present utility model, and does not indicate or imply that the device must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of protection of the present utility model.

In the various illustrations of the utility model, some dimensions of structures or portions may be exaggerated relative to other structural portions for convenience of illustration, and thus serve only to illustrate the basic structure of the inventive subject matter.

The utility model provides a welding device for welding a metal substrate 101 and a diode 102 in a photovoltaic junction box, which are hereinafter collectively called as a metal substrate 101 and a diode 102 serving as samples to be welded, and as shown in fig. 1 to 4, the welding device comprises a frame 1, a bearing jig 2 for bearing the samples to be welded, an upper electrode 31 and a lower electrode 33 for welding the samples to be welded, a polishing mechanism 4 for polishing a welding part 311 of the upper electrode 31, wherein a plurality of welding areas 21 are arranged on the bearing jig 2, and a transmission mechanism 5 capable of transmitting the upper electrode 31 between the welding areas 21 and the polishing mechanism 4 is further included. According to the welding device, the upper electrode 31 is transmitted between the welding area 21 and the polishing mechanism 4 through the transmission mechanism 5 on the premise of not disassembling the upper electrode 31, so that automatic polishing treatment of the welding part 311 is realized, time is saved, and production efficiency is improved.

Specifically, as shown in fig. 1, the frame 1 extends in a horizontal direction to fix other components of the welding device.

The bearing jig 2 is arranged on the frame 1 and is in a horizontal state.

Be equipped with on the frame 1 and be used for conveying bear the weight of a pair of conveyer belt 11 of tool 2, the direction of delivery of conveyer belt 11 perpendicular to welding area 21 and grinding machanism 4 arrange the direction, utilize conveyer belt 11 to carry and bear tool 2, can be accurately controlled bear the setting position of tool 2.

The bearing jig 2 is located on the conveyor belt 11, and a plurality of welding areas 21 on the bearing jig 2 are used for presetting samples to be welded, preferably, the welding areas 21 are concave grooves to limit the samples to be welded in the grooves, so that the samples to be welded are prevented from shifting in the welding process, and the welding accuracy is improved.

It is understood that the carrying jig 2 may be directly fixed on the frame 1.

Preferably, as shown in fig. 2, the arrangement direction of the plurality of welding areas 21 is consistent with the arrangement direction of the carrying jig 2 and the polishing mechanism 4, and the transmission mechanism 5 drives the upper electrode 31 to move at each welding area 21 and the polishing mechanism 4, so that the upper electrode 31 moves along a single direction, that is, the transmission direction of the upper electrode 31 is the arrangement direction of the carrying jig 2 and the polishing mechanism 4.

The carrying jig 2 further comprises a through hole 22 which is arranged in the welding area 21 and penetrates through the welding area 21 along the up-down direction, and a sample to be welded is positioned in the welding area 21 and covers the through hole 22.

The upper electrode 21 is movably connected to the frame 1 and located above the carrier 2, and one end of the upper electrode 31 away from the welding portion 311 is electrically connected to the upper conductive member 32.

The lower electrode 33 is movably connected to the frame 1 and located below the carrier 2, and one end of the lower electrode, which is far away from the sample to be welded, is electrically connected to the lower conductive member 34.

During welding, the upper electrode 31 moves to the upper part of the welding area 21, the upper surface of the sample to be welded is contacted with the tin material, the lower electrode 33 moves upwards to pass through the through hole 22 to be contacted with the lower surface of the sample to be welded, the upper electrode 31 and the lower electrode 33 are indirectly contacted with the sample to be welded to form a passage, the upper electrode 31 and the lower electrode 33 generate heat, the heat generated by the upper electrode 31 melts the tin material to finish the welding between the samples to be welded, and the tin material remained on the welding part 311 is accumulated to a certain amount to influence the quality of the subsequent welding.

Specifically, as shown in fig. 3, the polishing mechanism 4 is located at one side of the carrier jig 2, that is, the upper electrode 31 needs to be moved by a small distance to the polishing mechanism 4 for polishing. Preferably, the polishing mechanism 4 and the welding area 21 are located on the same line along the transmission direction of the upper electrode 31, so as to facilitate positioning contact between the welding portion 311 and the polishing mechanism 4.

The polishing mechanism 4 includes a body 41, a polishing portion 42 disposed on the body 41, and a driving motor (not shown) for driving the body 41 to move or rotate, in this embodiment, the driving motor is disposed below the frame 1 to drive the substrate 41 to rotate, so as to drive the polishing portion 42 to polish the welding portion 311 of the upper electrode 31 in a rotating manner, so that polishing effect is more uniform.

The body 41 is a cone with an upward opening, the polishing part 42 is arranged at the upper end of the body 41 and is in a circular ring shape, and the width of the polishing part 42 is not smaller than the diameter of the welding part 311, so that the welding part 311 can always contact the polishing part 42 in the polishing process, and uneven polishing is prevented.

The transmission mechanism 5 is configured to transmit the upper electrode 31, when the tin material remaining in the welding portion 311 is accumulated to possibly affect the welding effect, the transmission mechanism 5 conveys the upper electrode 31 to the upper side of the polishing portion 42 for polishing, and after polishing, conveys the upper electrode 31 to the upper side of the welding area 21 to continue welding the sample to be welded.

Further, the transmission mechanism 5 includes a transmission bracket 51 fixed to the frame 1, a transmission arm 52 connected to the transmission bracket 51, an upper driving member 53 fixed to the transmission bracket 51, and a transmission motor 54 fixed to the transmission arm 52. In the present embodiment, the transfer mechanism 5 drives the upper electrode 31 to move horizontally in the transfer direction by the transfer motor 54, and at the same time, drives the upper electrode 31 to move up and down to contact the lower electrode 33 by the upper driving member 53.

The transmission bracket 51 is fixed on the upper portion of the frame 1 to fix the transmission arm 52 and the upper electrode 31 above the frame 1, the transmission arm 52 is located in the middle of the transmission bracket 51 and extends along the transmission direction of the upper electrode 31, and the upper electrode 31 is located below the transmission arm 52.

The upper driving member 53 is located above the transfer arm 52 and is in driving connection with the upper electrode 31 to drive the upper electrode 31 to move up and down.

Preferably, the upper driving member 53 is fixed to the upper portion of the transmission bracket 51, so that the fixing is facilitated.

Preferably, the upper driving part 53 is an electric cylinder to precisely control the up-and-down moving speed of the upper electrode 31 and the target position.

The transmission motor 54 is disposed at an end of the transmission arm 52, and preferably, the transmission motor 54 is a servo motor to accurately control the moving speed and the target position of the upper electrode 31.

In order to facilitate driving the lower electrode 33 to move upwards through the through hole 22, the welding device further comprises a driving mechanism 6 disposed below the carrying jig 2, as shown in fig. 4, the driving mechanism 6 comprises a base 61, a fixing structure 62 movably connected to the base 61, and a lower driving member 63 driving the fixing structure 62 to move up and down, the lower electrode 33 is fixed on the upper portion of the fixing structure 62 and extends upwards, and the lower electrode 33 moves up and down along with the fixing structure 62.

As a preferred embodiment of the present utility model, the number of the lower electrodes 33 is greater than the number of the upper electrodes 31, so as to reduce the number of movements of the lower electrodes 33 during the soldering process and prevent the problem of cold soldering of the sample to be soldered.

Preferably, one upper electrode 31 is provided, and the number of the lower electrodes 33 is in one-to-one correspondence with the welding areas 21 located in the same row, that is, the upper electrode 31 is driven by the transmission arm 52 to sequentially contact with the lower electrodes 33 to complete the welding of the sample to be welded in the welding areas 21.

It will be appreciated that the number of the lower electrodes 33 may be an integer multiple of the number of the upper electrodes 31, that is, the upper electrodes 31 may be provided with a plurality of upper electrodes 31 and a plurality of lower electrodes 33 may be moved to contact each other, and then the transfer mechanism 5 may control the plurality of upper electrodes 31 to contact another set of lower electrodes 33, so that the number of times of moving the lower electrodes 33 may be reduced.

As another preferred embodiment of the present utility model, as shown in fig. 1, the welding apparatus further comprises a height sensor 7 fixed to the frame 1, and the height sensor 7 is used to detect whether the height of the upper electrode 31 meets the requirement of normal welding after the welding portion 311 of the upper electrode 31 is polished.

The height sensor 7 and the polishing mechanism 4 are located on the same straight line along the transmission direction of the upper electrode 31, in this embodiment, the height sensor 7 and the polishing mechanism 4 are located on two sides of the carrying jig 2 respectively, and are located on the same straight line with the upper electrode 31, so that the upper electrode 31 is transmitted back and forth in the same straight line direction, and positioning of the upper electrode 31 is facilitated.

As another preferred embodiment of the present utility model, as shown in fig. 1, the welding apparatus further includes a pressure sensor 8 for sensing the pressure of the welding portion 311, the pressure sensor 8 is disposed between the upper driving member 53 and the upper electrode 31 in the up-down direction, and after the upper driving member 53 drives the upper electrode 31 to descend above the welding area 21, the pressure sensor 8 is used to detect whether the pressure of the upper electrode 31 meets the requirement, and then welding is performed to ensure the welding effect.

After the upper electrode 31 is welded with a row of samples to be welded, the conveyor belt 11 drives the bearing jig 2 to move forwards, so as to prevent the bearing jig 2 from moving along the vertical transmission direction relative to the frame 1 in the welding process, and the welding device further comprises a limiting mechanism 9 arranged between the conveyor belts 11 for limiting the bearing jig 2, so that the welding accuracy is improved.

Preferably, as shown in fig. 2, the limiting mechanism 9 is located in front of the carrier 2, specifically, the limiting mechanism 9 includes a limiting base 91 with a hole, a limiting post 92 that can pass through the hole, and a limiting driving member (not shown) located below the limiting base 91 to drive the limiting post 92 to move upward, where the limiting base 91 is located in front of the carrier 2, and the limiting post 92 passes through the hole to stop in front of the carrier 2.

In summary, according to the welding device disclosed by the utility model, the polishing mechanism 4 fixed on the frame 1 is used for directly transmitting the upper electrode 31 to the polishing mechanism 4 for polishing through the transmission mechanism 5 without disassembling the upper electrode 31 when the upper electrode 31 needs to be polished, so that the maintenance time of the upper electrode is saved, the yield of welding samples is improved, and the welding device disclosed by the utility model is simple in structure, convenient to operate and convenient to popularize.

It should be understood that although the present disclosure describes embodiments in terms of examples, not every embodiment is provided with a single embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The above list of detailed descriptions is only specific to practical embodiments of the present utility model, and is not intended to limit the scope of the present utility model, and all equivalent embodiments or modifications that do not depart from the spirit of the present utility model should be included in the scope of the present utility model.

Claims

1. A welding device, comprising:

a frame;

2. The welding apparatus of claim 1 wherein said grinding mechanism includes a body, a grinding portion on said body, a drive motor for driving said body to move or rotate.

3. The welding device as defined in claim 2, wherein said grinding portion is circular and has a width not smaller than a diameter of said welding portion.

4. The welding device of claim 1, wherein the plurality of welding areas are aligned in a direction that is consistent with the alignment of the carrier jig and the grinding mechanism.

5. The welding device of claim 1, wherein the transmission mechanism comprises a transmission bracket, a transmission arm connected to the transmission bracket, an upper driving member fixed on the transmission bracket, and a transmission motor fixed on the transmission arm, the transmission arm extends along the arrangement direction of the bearing jig and the polishing mechanism, the upper driving member is positioned above the transmission arm, and the upper electrode is arranged at the lower part of the transmission arm and is in driving connection with the upper driving member.

6. The welding apparatus of any one of claims 1 to 5, further comprising a driving mechanism disposed below the carrier, the driving mechanism comprising a base, a fixed structure movably coupled to the base, a lower driving member driving the fixed structure to move up and down, the lower electrode being fixed to an upper portion of the fixed structure.

7. The welding device of claim 6, wherein the plurality of lower electrodes are arranged at intervals along the arrangement direction of the bearing jig and the polishing mechanism.

8. The welding apparatus of claim 7 wherein the number of lower electrodes is an integer multiple of the number of upper electrodes; or the lower electrodes are in one-to-one correspondence with the welding areas positioned in the same row.

9. The welding apparatus according to any one of claims 1 to 5, further comprising a pressure sensor for sensing a welding pressure of the welding portion and a height sensor for detecting a height of the welding portion, wherein the height sensor is fixed to the frame and is positioned on the same line as the welding area and the polishing mechanism.

10. The welding apparatus of any one of claims 1 to 5, further comprising a pair of conveyor belts conveying the carrier in a vertical conveying direction, and a stopper mechanism provided between the conveyor belts to prevent the carrier from moving in the vertical conveying direction.