CN114523170A - Terminal box welding machines hand and welding equipment - Google Patents
Terminal box welding machines hand and welding equipment Download PDFInfo
- Publication number
- CN114523170A CN114523170A CN202210239346.1A CN202210239346A CN114523170A CN 114523170 A CN114523170 A CN 114523170A CN 202210239346 A CN202210239346 A CN 202210239346A CN 114523170 A CN114523170 A CN 114523170A
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- soldering iron
- tin
- heater
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- 238000003466 welding Methods 0.000 title claims abstract description 62
- 238000003825 pressing Methods 0.000 claims abstract description 92
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 82
- 238000005476 soldering Methods 0.000 claims description 74
- 229910052742 iron Inorganic materials 0.000 claims description 41
- 238000001816 cooling Methods 0.000 claims description 18
- 239000000919 ceramic Substances 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 238000000605 extraction Methods 0.000 abstract description 5
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 abstract description 4
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 abstract description 4
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 210000004027 cell Anatomy 0.000 description 10
- 229910000679 solder Inorganic materials 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000009963 fulling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/02—Soldering irons; Bits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The invention relates to the technical field of photovoltaic modules, and provides a junction box welding manipulator and welding equipment, wherein the junction box welding manipulator at least comprises: a body; the heating structure is at least partially arranged at one end of the body and is suitable for heating a transmission piece in the junction box to be welded; and the pressing structure can move relative to the body and at least partially extends to one end of the body to be opposite to the heating structure part, and has a first state of applying pressure on the leading-out piece to enable the leading-out piece and the transmission piece to be in contact and a second state of returning to the initial position. This terminal box welding machines hand, heating structure withdraw the back, and the structure of pressing still keeps pushing down to the extraction piece, prevents to draw out when the piece resumes deformation and leads to the fact the rosin joint with uncooled tin bulk separation, is favorable to improving the welding quality of product.
Description
Technical Field
The invention relates to the technical field of photovoltaic modules, in particular to a junction box welding manipulator and welding equipment.
Background
The solar cell collects solar energy and converts the solar energy into electric energy, and the photovoltaic module comprises a plurality of single solar cells connected in series or in parallel, so that power supply to a power grid or other power lines is realized. The transmission of the electric energy of the photovoltaic module to other electric circuits is usually realized through a switching device, and one common arrangement is to arrange a photovoltaic module junction box at a terminal for the outward output of the photovoltaic module. The photovoltaic module is provided with a leading-out piece led out by the positive electrode and the negative electrode, such as a bus bar; the photovoltaic module junction box comprises a transmission piece used for being connected with a cable, and the leading-out piece and the transmission piece are welded together, so that the electrode of the solar cell module is welded and connected with the connecting cable.
Along with the development of a photovoltaic assembly production line in recent years, the requirements on productivity efficiency and automation degree are higher and higher, manual welding is gradually eliminated in the welding of a photovoltaic assembly junction box, automatic welding equipment is used for replacing the automatic welding equipment, for example, a mechanical arm is used, after the assembly is positioned, a soldering iron head on the mechanical arm is pressed down to the position of a tin block of the junction box, and after the assembly is heated, the soldering iron head rises back to complete the welding.
In the automatic weld process, in order to prevent to converge the area and upwards perk, need the soldering iron to keep pressing down to converging the area, wait that the tin pig cooling solidifies the back and remove again, however, because the temperature of soldering iron can not the instantaneous drop, the tin of the soldering iron and the contact segment of tin pig can not solidify completely, the area of converging of this contact segment breaks away from with the tin pig easily after the soldering iron removes, causes the rosin joint, influences the quality of photovoltaic module product. Moreover, the junction box is generally compact in structure, and has high requirements for the position matching of the soldering iron tip with the lead-out and transport elements, as well as for the structural design and functional configuration of the automatic soldering device.
Disclosure of Invention
Therefore, the invention aims to solve the technical problem that after the soldering bit is removed in the prior art, the soldering bit is easy to separate from the tin block and the bus bar contacted with the tin block, so as to cause false soldering, thereby providing a junction box welding manipulator and welding equipment.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a terminal block welding robot comprising at least: a body; the heating structure is at least partially arranged at one end of the body and is suitable for heating a transmission piece in the junction box to be welded; and a pressing structure which can move relative to the body and at least partially extends to one end of the body to be opposite to the heating structure part, wherein the pressing structure has a first state of applying pressure on the leading-out piece to enable the leading-out piece and the transmission piece to be in contact, and a second state of returning to an initial position.
Furthermore, the pressing structure comprises a fixed seat, a pressing pin and a first driving piece, wherein the first driving piece is suitable for driving the pressing pin to perform telescopic motion, so that the pressing pin presses the leading-out piece when extending to one end of the body and being obliquely opposite to the heating structure; the fixed seat is arranged on the body; wherein: the first driving piece comprises a connecting portion and a driving portion, the connecting portion is connected with the fixing seat, and the driving portion is connected with the pressing pin, so that the pressing pin is obliquely arranged relative to the body.
Furthermore, a ceramic block is arranged at one end, far away from the fixed seat, of the pressing pin, and the ceramic block at least covers the end face of the pressing pin.
Further, the heating structure comprises a soldering bit and a heater; the heater is fixedly arranged on the outer side of the body, and the soldering bit is fixedly arranged at one end of the body and is in butt joint with one end, far away from the body, of the heater.
Further, the heating structure further comprises a second driving member; the second driving piece comprises a connecting portion and a driving portion, the connecting portion is connected with the body, the driving portion is connected with the heater, and the second driving piece is suitable for driving the soldering iron head to move in the extending direction parallel to the body to a target position so as to be matched with the soldering iron head to heat the transmission piece.
Furthermore, a tin gathering groove is formed in one end, far away from the heater, of the soldering bit, the tin gathering groove is located on the side wall, facing the pressing pin, of the soldering bit, and the tin gathering groove is suitable for limiting molten tin liquid in the tin gathering groove when the soldering bit presses the transmission piece; and a pressing pin of the pressing structure is inserted into the tin gathering groove and presses the leading-out piece.
Furthermore, the groove wall of the tin gathering groove facing the surface of the pressing pin is an inclined plane relative to the surface of the soldering iron head, and the inclined plane is parallel to a straight line where the extending direction of the pressing pin is located.
Furthermore, the heating structure further comprises a temperature sensor, the temperature sensor is arranged on the soldering bit and is suitable for acquiring a real-time temperature value of the soldering bit and transmitting the temperature value to the controller of the heater, and the controller changes the heating power of the heater according to the temperature value of the heater so as to adjust the temperature of the soldering bit.
Furthermore, the terminal box welding manipulator further comprises an air cooling pipeline, wherein the air inlet end of the air cooling pipeline is connected with an air source, and the air outlet end of the air cooling pipeline faces the pressing structure and is suitable for accelerating cooling of the transmission piece when the pressing structure is in the first state.
The invention also provides junction box welding equipment which comprises the junction box welding manipulator.
The technical scheme of the invention has the following advantages:
according to the junction box welding manipulator provided by the invention, the pressing structure is arranged on the body, when the heating structure heats the transmission piece, the pressing structure applies pressure to the leading-out piece, so that the leading-out piece is in close contact with the transmission piece, and after a tin block in the piece to be transmitted is completely melted, the heating structure is withdrawn. And an air cooling pipeline for cooling is also arranged, the pressing structure keeps pressing the leading-out piece in the tin block cooling process until the tin block is cooled and solidified, the pressing structure returns to the initial position, and the pressure application to the leading-out piece is stopped. So set up, after the heating structure withdraws, press the structure and still keep pushing down to the extraction piece, prevent that extraction piece from recovering when deformation and uncooled tin bulk separation from causing the rosin joint, be favorable to improving the welding quality of product.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a side view of a junction box welding robot in an embodiment of the present invention;
FIG. 2 is a front view of a junction box welding robot in an embodiment of the present invention;
fig. 3 is a schematic view of a junction box welding manipulator in an embodiment of the invention in a use state.
Description of reference numerals:
1. a body; 2. A fixed seat; 3. A first driving member;
4. pressing the needle; 5. A ceramic block; 6. A second driving member;
7. a heater; 8. A soldering bit; 9. A temperature sensor;
10. an air-cooled pipeline; 11. An avoidance groove; 12. A signal transmission line;
13. a junction box; 14. A solar cell module; 15. A bus bar;
16. electrodes, 17, diodes; 18. And (7) tin blocks.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
FIG. 1 is a side view of a junction box welding robot in an embodiment of the present invention; fig. 3 is a schematic view of a junction box welding manipulator in an embodiment of the invention in a use state. As shown in fig. 1 and fig. 3, the present embodiment provides a junction box welding robot, including: a body 1; the body 1 can be a plate-shaped structure, the heating structure can be arranged on one of the plate surfaces of the body 1, and at least part of the heating structure is positioned at the bottom end of the body 1 and is suitable for heating a transmission piece in the junction box 13 to be welded; the transmission member is an electrode 16 on the junction box and a tin block 18 covering the surface of the electrode 16. The solder bumps 18 on the surface of the electrodes 16 can be melted when heated.
The pressing structure may be disposed on another panel of the body 1, and may be capable of moving relative to the body 1, and at least a portion of the pressing structure may extend to one end of the body 1 to be opposite to the heating structure portion, and the pressing structure applies pressure to the leading-out member on the solar cell module, so that the leading-out member is in close contact with the transmission member. The leading-out part is a bus bar 15 on the solar cell module. When the solder bumps 18 are cooled and the bus bar 15 and the electrodes 16 are bonded together, the pressing structure returns to the initial position and stops pressing the bus bar 15.
According to the junction box welding manipulator provided by the invention, the pressing structure is arranged on the body 1, when the heating structure heats the transmission piece, the pressing structure applies pressure to the leading-out piece, so that the leading-out piece is in close contact with the transmission piece, and after a tin block 18 in the piece to be transmitted is completely melted, the heating structure is removed. And in the process of cooling the tin block 18, the pressing structure keeps pressing the lead-out piece until the tin block 18 is cooled and solidified, and then the pressing structure returns to the initial position to stop applying pressure to the lead-out piece. So set up, after the heating structure withdraws, press the structure and still keep pushing down to the extraction piece, prevent that extraction piece from upwards perk and uncooled tin bulk 18 separation from causing the rosin joint, be favorable to improving the welding quality of product.
The pressing structure comprises a fixed seat 2, a pressing pin 4 and a first driving piece 3; the fixing seat 2 may be a ring structure, and the fixing seat 2 is fixedly connected to the body 1, for example, may be welded to a side surface of the body 1. Wherein, first driving piece 3 can be the cylinder, and the cylinder body of cylinder is planted in annular fixing base 2, and the cylinder body of cylinder can pass through the bolt fastening on fixing base 2. The flexible head of cylinder is outwards extended for the cylinder, and the terminal box is located the below of cylinder for when the flexible head of cylinder outwards stretches out, can drive tucker 4 and stretch to leading out the piece, press the leading out piece on the terminal box. Wherein, the pressing pin 4 can be screwed or welded on the telescopic head of the cylinder. Wherein, the pressing pin 4 can be in a cylindrical structure. When the device is used, the pressing pins 4 can be driven by the first driving piece 3 to move telescopically, so that the pressing pins 4 compress the confluence belt 15 or are withdrawn to separate from the pressing of the confluence belt 15.
In this embodiment, in order to prevent that 18 adhesions of tin piece are on tucking 4, can keep away from the one end installation ceramic piece 5 of first driving piece 3 at tucking 4, this ceramic piece 5 can be with the whole cladding of terminal surface of tucking 4, when tucking 4 presses down and draws the piece, ceramic piece 5 is difficult to adsorb tin piece 18, can avoid 18 adhesions of tin piece or loss, avoid causing the rough not smooth phenomenon in welding surface simultaneously, promote welding quality and the pleasing to the eye degree of welding.
Wherein, heating structure includes soldering iron 8, heater 7 and second driving piece 6, and second driving piece 6 also can be the cylinder, and the cylinder body of cylinder can the lug weld on body 1, and the one end of heater 7 can be connected with the flexible head spiro union of cylinder, the other end and 8 contact connections of soldering iron. The soldering iron tip 8 is arranged at one end of the heater 7 far away from the body 1, and under the action of the second driving piece 6, the soldering iron tip 8 can move to a target position in the extending direction parallel to the body 1 to heat the transmission piece. When the electric soldering iron is used, the heater 7 can be driven to move up and down through the second driving piece 6, and therefore the soldering iron head 8 connected with the heater 7 is driven to move up and down. When the tin block 18 on the junction box 13 needs to be heated, the soldering iron head 8 descends and contacts with the tin block 18, meanwhile, the pressing pin 4 extends out to press the bus bar 15, after the tin block 18 is completely melted, the soldering iron head 8 rises, the pressing pin 4 continues to press the bus bar 15, and after the tin block 18 is completely cooled and solidified, the pressing pin 4 is retracted.
As shown in fig. 3, during welding, the junction box 13 is located on the surface of the solar cell module 14, the top of the junction box 13 is an open structure, a diode 17, and an anode and a cathode (one of which is an electrode 16 shown in fig. 3) are arranged at the bottom inside the box body of the junction box 13, one side of the diode 17 is connected to the anode, and the other side is connected to the cathode. Two bus bars 15 of the solar cell module 14 are respectively connected with the anode and the cathode of the cell sheet forming the solar cell module 14, and then penetrate through the reserved hole at the bottom of the junction box 13 to extend upwards into the box body of the junction box 13, and each bus bar 15 corresponds to one electrode 16. The positive pole and the negative pole of the junction box 13 are relatively close in position, the surfaces of the positive pole and the negative pole are respectively wrapped with tin blocks 18, and the bus bar 15 at least partially extends to be positioned above the tin blocks 18. During welding, the soldering iron head 8 presses the bus bar 15 to enable the bus bar 15 to be in contact with the tin block 18, meanwhile, the pressing pin 4 synchronously presses the bus bar 15, after the tin block 18 is melted, the soldering iron head 8 rises, and the pressing pin 4 continues to press the bus bar 15 until the tin block 18 is cooled.
Due to the compact structure of the junction box 13, the electrode 16 and the bus bar 15 of the junction box 13 have a smaller volume, and the area for welding is smaller. Consequently, to soldering bit 8 with draw out the position matching requirement of piece and transmission piece higher, need on contact area is limited converges area 15, both satisfy soldering bit 8 and converge the demand that tin block below it fully melts fast after taking 15 contacts, also satisfy simultaneously in the welding process pressing needle 4 and converge area 15 contact degree and last converge area 15 and can not upwards perk to the welding completion back. That is, the contact points of the soldering iron tip 8 and the bus bar 15 and the contact points of the pressing pin 4 and the bus bar 15 are distributed and matched at different positions on the bus bar 15, which puts high demands on the positions of the soldering iron tip 8 and the pressing pin 4 of the soldering robot. Guarantee soldering iron 8 and converge and take 15 and tin ingot 18 contacts, when heating tin ingot 18, the pressure pin 4 can stretch out the back and carry out effectual pressing to converging and take 15, simultaneously, can not disturb because of the motion or the heating effect production of pressure pin 4 and to soldering iron 8. The soldering bit 8 and the pressing pin 4 need to be matched with each other to realize the soldering work, and can return to the initial position after completing the respective work to prepare the next soldering work. Therefore, in this embodiment, in addition to the pressing pin 4 and the soldering bit 8 being located at different sides of the body 1, a certain inclination angle can be formed between the first driving element 3 and the body 1, so that the pressing pin 4 can be closer to the central position of the bus bar 15 and the solder block 18 after being extended, the pressing effect is improved, and the movement of the soldering bit 8 is not interfered. Wherein the angle of inclination may range from 15 ° to 45 °, for example, the angle of inclination may be 30 °.
Fig. 2 is a front view of a terminal box soldering robot according to an embodiment of the present invention, as shown in fig. 2, wherein a solder collecting groove 11 is formed at an end of the soldering tip 8 away from the heater 7, and the solder collecting groove 11 is located on a side wall of the soldering tip 8 facing the pressing pin 4, for example, the solder collecting groove 11 may be located at a middle position of the side wall, and the solder collecting groove 11 extends along a length direction of the soldering tip 8 to a bottom end edge of the soldering tip 8. Wherein, the degree of depth that the tin gathering groove 11 is sunken to soldering iron 8's inside can be according to the size design of transmission piece, tin gathering groove 11's width can be between the width of converging area 15 and soldering iron 8, make when soldering iron 8 and transmission piece contact, the transmission piece wholly is located tin gathering groove 11, tin bar 18 melts the back under the restriction of tin gathering groove 11's cell wall, can not flow around to, thereby prevent the tin outflow, increase the tin volume of reserving on converging area 15 surface after the welding, improve soldering strength, promote the welding yield, again can reserve an area on the surface of converging area 15 and be used for pressing needle 4 and the contact point of converging area 15.
Wherein, the groove wall of the tin gathering groove 11 facing the surface of the press needle 4 is an inclined surface, and the inclined surface is parallel to the straight line where the press needle 4 is located. When the pressing pin 4 needs to press the lead-out member, the pressing pin 4 is inserted into the tin gathering tank 11 and presses the lead-out member. At this time, the contact point of the pressing pin 4 and the lead-out member is closer to the central position of the lead-out member, so that the pressing force of the pressing pin 4 on the lead-out member is more uniform, and the pressing effect is favorably improved.
In this embodiment, the heating structure further comprises a temperature sensor 9 disposed on the soldering tip 8, and the temperature sensor 9 may be connected to the controller of the heater 7 through a signal transmission line 12. The temperature sensor 9 collects a real-time temperature value of the soldering bit 8 and feeds the temperature value back to the controller of the heater 7, and the controller can adjust the heating power of the heater 7 according to the fed-back temperature value, so that the temperature of the soldering bit 8 is adjusted, and the temperature of the soldering bit 8 is kept stable. Wherein, the heater 7 can be an electric heater 7, and the controller can change the power of the electric heater 7 by adjusting the working current of the electric heater 7.
In this embodiment, the terminal box welding manipulator further includes an air-cooled pipeline 10, for example, the air-cooled pipeline 10 may be disposed on the body 1, an air inlet end of the air-cooled pipeline 10 is connected to an air source, and an air outlet end of the air-cooled pipeline 10 is disposed toward the pressing structure, so as to accelerate cooling of the electrode 16 and the solder bump 18 on the terminal box when the pressing structure is in the first state. Wherein, the air-cooled pipeline 10 and the pressing needle 4 can be positioned at the same side of the body 1. After the soldering iron head 8 is lifted upwards, the air cooling pipeline 10 starts to blow air to accelerate the cooling of the tin block 18 at the welding position, and air supply is stopped after the tin block 18 is cooled and solidified.
In this embodiment, the relative position between the soldering iron tip 8 and the pressing pin 4 can be adjusted adaptively for different specifications of junction boxes. Meanwhile, because the junction box is provided with the positive electrode and the negative electrode which respectively correspond to the anode and the cathode of the battery assembly, the number of the soldering iron heads 8 and the number of the pressing pins 4 can be designed according to the number of the bus bars 15 and the tin blocks 18, namely, for the junction box containing the two electrodes of the positive electrode and the negative electrode, two welding manipulators can be arranged side by side, and the tin blocks 18 on the surfaces of the electrodes 16 respectively corresponding to the soldering iron heads 8 are respectively heated. Similarly, the two pressing pins 4 arranged side by side can respectively compress the corresponding bus bars 15; the two air-cooled pipes 10 arranged side by side can respectively cool the corresponding solder bumps 18. Therefore, the welding manipulator can complete all operations related to welding of the anode and the cathode in one junction box in the process of one-time pressing and heating, and the working efficiency is improved.
In another embodiment, the junction box welding equipment comprises the junction box welding manipulator, and the junction box welding manipulator is controlled by a control center of the junction box welding equipment to perform corresponding operations.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications derived therefrom are intended to be within the scope of the invention.
Claims (10)
1. The utility model provides a terminal box welding machines hand which characterized in that includes at least:
a body;
the heating structure is at least partially arranged at one end of the body and is suitable for heating a transmission piece in the junction box to be welded;
and a pressing structure which can move relative to the body and at least partially extends to one end of the body to be opposite to the heating structure part, wherein the pressing structure has a first state of applying pressure on the leading-out piece to enable the leading-out piece and the transmission piece to be in contact, and a second state of returning to an initial position.
2. The terminal box welding robot of claim 1,
the pressing structure comprises a fixed seat, a pressing needle and a first driving piece, wherein the first driving piece is suitable for driving the pressing needle to perform telescopic motion, so that the pressing needle can press the leading-out piece when extending to one end of the body and being opposite to the heating structure in an inclined mode;
the fixed seat is arranged on the body;
wherein: the first driving piece comprises a connecting portion and a driving portion, the connecting portion is connected with the fixing seat, and the driving portion is connected with the pressing pin, so that the pressing pin is obliquely arranged relative to the body.
3. The terminal box welding robot of claim 2,
and a ceramic block is arranged at one end of the pressing pin far away from the fixed seat, and at least covers the end surface of the pressing pin.
4. The terminal box welding robot of any one of claims 1-3,
the heating structure comprises a soldering bit and a heater;
the heater is fixedly arranged on the outer side of the body, and the soldering bit is fixedly arranged at one end of the body and is in butt joint with one end, far away from the body, of the heater.
5. The terminal box welding robot of claim 4,
the heating structure further comprises a second driving member;
the second driving piece comprises a connecting portion and a driving portion, the connecting portion is connected with the body, the driving portion is connected with the heater, and the second driving piece is suitable for driving the soldering iron head to move in the extending direction parallel to the body to a target position so as to be matched with the soldering iron head to heat the transmission piece.
6. The terminal box welding robot of claim 4,
the soldering iron is characterized in that one end, far away from the heater, of the soldering iron head is provided with a tin gathering groove, the tin gathering groove is located on the side wall, facing the pressing pin, of the soldering iron head, and the tin gathering groove is suitable for limiting molten tin liquid in the tin gathering groove when the soldering iron head presses the transmission piece;
and a pressing pin of the pressing structure is inserted into the tin gathering groove and presses the leading-out piece.
7. The terminal box welding robot of claim 6,
the groove wall of the tin gathering groove facing the surface of the pressing pin is an inclined plane relative to the surface of the soldering iron head, and the inclined plane is parallel to a straight line where the extending direction of the pressing pin is located.
8. The terminal box welding robot of claim 4,
the heating structure further comprises a temperature sensor, the temperature sensor is arranged on the soldering iron head and is suitable for acquiring a real-time temperature value of the soldering iron head and transmitting the temperature value to a controller of the heater, and the controller changes the heating power of the heater according to the temperature value of the heater so as to adjust the temperature of the soldering iron head.
9. The terminal box welding robot of claim 1,
the air cooling device is characterized by further comprising an air cooling pipeline, wherein the air inlet end of the air cooling pipeline is connected with an air source, the air outlet end of the air cooling pipeline faces the pressing structure, and the air cooling pipeline is suitable for accelerating cooling of the transmission piece when the pressing structure is in the first state.
10. Junction box welding equipment, characterized in that it comprises a junction box welding robot according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210239346.1A CN114523170B (en) | 2022-03-11 | 2022-03-11 | Junction box welding manipulator and welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Publication number | Publication date |
|---|---|
| CN114523170B (en) | 2024-04-19 |
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