CN115837536B

CN115837536B - Welding mechanism of wiring

Info

Publication number: CN115837536B
Application number: CN202310114581.0A
Authority: CN
Inventors: 陈驰
Original assignee: Jiangsu Nst Electronic Science And Technology Co ltd
Current assignee: Jiangsu Nst Electronic Science And Technology Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-05-09
Anticipated expiration: 2043-02-15
Also published as: CN115837536A

Abstract

The invention relates to the field of welding, in particular to a wiring welding mechanism which comprises a driving mechanism, a clamping mechanism for clamping products, a rotating mechanism arranged on the clamping mechanism, a welding mechanism for welding the products, a shooting mechanism arranged on the clamping mechanism around the products and a feeding mechanism arranged on the welding mechanism, wherein the driving mechanism is used for driving the clamping mechanism to clamp the products; the clamping mechanism clamps the product, and the rotating mechanism rotates one side of the product; and the feeding mechanism is used for feeding welding wires, and the driving mechanism is used for driving the welding mechanism to move welding products. The problem that in the existing scheme, a camera is adopted to directly shoot, errors exist when whether welding spots are firm or not is solved, the wire cores of the wires are not welded at the positions of the welding spots, and the camera can shoot and judge. However, the wire core and the welding spot of the electric wire are welded together, but whether the welding is firm or not is a problem that a camera cannot judge.

Description

Welding mechanism of wiring

Technical Field

The invention relates to the field of welding, in particular to a wiring welding mechanism.

Background

During the welding process, it is necessary to weld wires to the product, which are used to connect to a power source or to other accessories. Products include, but are not limited to: thermistor, lamp pearl, circuit board. The product needs to be subjected to power-on test or resistance test after the wire is welded.

After the electric wires are welded on the thermistor, a universal meter is adopted to perform resistance test on the thermistor, and if the actual resistance and the nominal resistance are too large in phase difference, welding is unqualified. And if the actual resistance is close to the nominal resistance, the welding is qualified.

After the electric wires are welded on the lamp beads, the electric wires are connected with a power supply, if the lamp beads are lightened, the welding is qualified, and if the lamp beads are not lightened, the welding is unqualified.

However, the firmness of the welded spot welding is observed by the human eye when the product is taken out after the welding is completed. Since the core of the electric wire is thin, it is difficult to observe. If the camera is adopted to directly shoot and calculate whether the welding spot is firm, errors exist, the wire core of the electric wire is not welded at the position of the welding spot, and the camera can shoot and judge. However, the wire core and the welding spot of the electric wire are welded together, but whether the welding is firm or not is not judged by the camera. How to solve this problem becomes important.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a wiring welding mechanism which solves the problems that in the prior art, a camera is adopted to directly shoot, errors exist when a welding spot is firmly calculated, a wire core of an electric wire is not welded at the position of the welding spot, and the camera can shoot and judge. However, the wire core and the welding spot of the electric wire are welded together, but whether the welding is firm or not is a problem that a camera cannot judge.

In order to achieve the above purpose, the technical scheme of the invention is as follows:

a welding mechanism for wiring;

the device comprises a driving mechanism, a clamping mechanism for clamping products, a rotating mechanism arranged on the clamping mechanism, a welding mechanism for welding the products, a shooting mechanism arranged on the clamping mechanism around the products and a feeding mechanism arranged on the welding mechanism; the clamping mechanism clamps the product, and the rotating mechanism rotates one side of the product; and the feeding mechanism is used for feeding welding wires, and the driving mechanism is used for driving the welding mechanism to move welding products.

The further technical scheme is as follows: the driving mechanism comprises a first base, a sliding block arranged on the first base in a sliding manner, a second base arranged on the sliding block, a sliding rod arranged on the second base in a sliding manner, a plate body for driving the sliding rod to slide, an adjusting device for driving the plate body to swing and a first power device for driving the sliding block to slide; the first power device is arranged on the first base; the plate body is connected to the second base in a swinging way; the two ends of the plate body are respectively and movably connected with the sliding rod and the adjusting end of the adjusting device; the welding mechanism is arranged on the sliding rod.

The further technical scheme is as follows: the welding mechanism comprises a connecting block arranged on the sliding rod, a welding block arranged on the connecting block, a welding head for welding products, a radiating fin for transferring heat and a radiating fan; a space for storing cooling medium is arranged in the welding block; the welding head is arranged on the welding block and is contacted with a cooling medium; the radiating fins are arranged on the welding block in parallel; one side of the radiating fin is arranged in the space; the other side of the radiating fin extends outwards; the fan is arranged on the other side of the radiating fin.

The further technical scheme is as follows: the clamping mechanism comprises a bracket, a seat plate for placing a product, a pressing block for pressing the product, a third power device for driving the product to lift and a clamping piece for clamping the product; the seat board is arranged at the driving end of the third power device; the pressing block is arranged on the bracket; the clamping piece is oppositely arranged on the bracket and the seat plate; a clamping space is formed on the opposite side of the clamping piece; the product is placed between the clamping spaces on the opposite clamping members.

The further technical scheme is as follows: the rotating mechanism comprises a rotating seat, a rotating block for clamping one side of a product and a second power device for driving the rotating block to rotate; the rotating seat is oppositely arranged on the bracket and the seat plate; the rotating block rotates in the rotating seat; the second power device is arranged on the rotating seat.

The further technical scheme is as follows: a rotating groove is formed in the rotating seat; a guide groove is formed in the rotating seat around the rotating groove; a guide block is arranged around the rotating block; when the rotating block rotates in the rotating groove, the guide block slides along the guide groove; a limiting block is arranged opposite to the rotating block; when the rotating blocks are mutually spliced, one side of a product is arranged between the limiting blocks; the limiting blocks on the rotating blocks are mutually embedded.

The further technical scheme is as follows: the feeding mechanism comprises a feeding frame, a tray for placing welding wires, a pipeline for conveying the welding wires, a conveying wheel for moving the welding wires and a fifth power device for driving the conveying wheel to rotate; the welding wire passes through the pipeline; one end of the pipeline faces the material tray, and the other end of the pipeline faces the product welding position; the pipeline is provided with a feeding position for exposing welding wires; the conveying wheels are rotatably arranged on the feeding frame and close to the conveying position; the fifth power device is arranged on the feeding frame.

The further technical scheme is as follows: the welding wire tensioning device also comprises a tensioning mechanism for tensioning the welding wire; the tensioning mechanism comprises a tensioning bracket, an outer cylinder arranged on the tensioning bracket, a tensioning cylinder rotatably arranged in the outer cylinder and a fourth power device for driving the tensioning cylinder to rotate; the fourth power device is arranged on the tensioning bracket; a tensioning position is formed around the tensioning cylinder; the welding wire moves along the tension position.

Compared with the prior art, the invention has the following beneficial technical effects: (1) The rotation of one side of the product is completed through the rotating mechanism, so that the product can be twisted after the welding is completed, whether the connection of welding spots of the product is disconnected or not is calculated through shooting of the shooting mechanism after the product is twisted, if the connection is disconnected, the wire core of the electric wire is not connected with the positions of the welding spots of the product, and the welding firmness of the welding spots can be found in time after the welding of the product is completed; (2) The welding part and the electric wire part of the product are pressed through the pressing block, the electric wire part is prevented from driving the welding part to rotate after rotating for a certain number of turns, meanwhile, the outer surface of the electric wire part can be distorted to a certain extent after rotating for a certain number of turns, the electric wire part is arranged between clamping spaces on opposite clamping pieces, the distortion of the electric wire of the clamping pieces is avoided, the torque force generated by the rotation of the electric wire part is prevented from being transmitted to the welding part, and the welding between the welding part and the electric wire part is ensured; (3) The two sides of the upper limiting block of the rotating block are provided with guide rods in the vertical direction, when the rotating blocks are mutually spliced, the upper guide rods of the rotating block are mutually embedded, one side of a product is arranged between the limiting blocks, and the upper limiting blocks of the rotating block are mutually embedded, so that the clamping of the electric wire part and the accurate positioning splicing between the rotating blocks are completed, and when the rotating block rotates in the rotating seat, the rotating block and the rotating seat cannot be blocked; (4) The position of the welding mechanism, which is driven to move downwards by the first power device, is fixed, fine adjustment of the position of the welding mechanism, which moves downwards, is completed by the adjusting device, and the length of the swinging position of the plate body, which is close to one end of the adjusting device, is longer than that of the swinging position of the plate body, which is close to one end of the sliding rod, so that the position of the welding mechanism is precisely adjusted by the adjusting device, the position precision of the welding mechanism is improved, and the welding quality of products is ensured; (5) The heat dissipation speed of the radiating fin is adjusted by controlling the wind speed of the fan, so that the temperature of the welding head is always in a stable state, fluctuation and change of the welding head are avoided, melting of welding wires is influenced, and welding quality of welding spots is ensured; (6) After the shooting mechanism shoots the product, the welding area of the welding spot of the product is calculated, the number of turns of the rotation of the wire part and the conveying amount of the welding wire are determined, the rotation of the rotating block drives the wire part to rotate for a certain number of turns, the rotation of the conveying wheel drives the welding wire to slide along the pipeline and approach the welding position of the product, and the welding wire with a certain distance is conveyed; (7) The welding wire is wound on the tensioning position of the tensioning cylinder, so that the welding wire is still in a tensioning state when the welding wire stops moving, and the tensioning mechanism realizes tensioning of the welding wire; (8) The torque sensor of the fifth power device is used for adjusting the moving speed of the welding wire, so that the welding wire can move at a constant speed, and the welding wire can be quantitatively conveyed when a product is welded, and the accurate control of conveying quantity is realized.

Drawings

Fig. 1 is a front view of a structure of a wire bonding mechanism according to an embodiment of the present invention.

Fig. 2 shows a right-side view of the driving mechanism according to the embodiment of the present invention.

Fig. 3 shows a right-side view of the driving mechanism according to the embodiment of the present invention.

Fig. 4 shows a front view of the clamping mechanism, the rotating mechanism and the photographing mechanism according to the embodiment of the invention.

Fig. 5 shows a front view of the rotary mechanism according to the embodiment of the present invention.

Fig. 6 shows an enlarged right-side structural view at a in fig. 5.

Fig. 7 shows a front view of the feeding mechanism and the tensioning mechanism according to the embodiment of the present invention.

Fig. 8 shows an enlarged structural view at B in fig. 7.

Fig. 9 shows a front view of a structure of a tensioning mechanism according to an embodiment of the present invention.

The reference numerals in the drawings: 1. a clamping mechanism; 11. a bracket; 12. a seat plate; 13. briquetting; 14. a third power device; 15. a clamping member; 16. a clamping space; 2. a rotating mechanism; 21. a rotating seat; 22. a rotating block; 23. a second power device; 24. a gear; 25. a first tooth form; 3. a welding mechanism; 31. a connecting block; 32. a welding block; 33. welding head; 34. a heat sink; 35. a fan; 36. a space; 4. a photographing mechanism; 5. a feeding mechanism; 51. a material tray; 52. a pipe; 53. a conveying wheel; 54. a fifth power unit; 55. a feeding frame; 56. a transport station; 57. a second tooth form; 6. a driving mechanism; 61. a first base; 62. a slide block; 63. a second base; 64. a slide bar; 65. a plate body; 66. an adjusting device; 67. a first power unit; 68. a guide rail; 7. a rotating groove; 71. a guide groove; 72. a guide block; 73. a limiting block; 74. a guide rod; 8. a tensioning mechanism; 81. tensioning a bracket; 82. an outer cylinder; 83. a tensioning cylinder; 84. a fourth power device; 85. and tensioning the position.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the following more detailed description of the device according to the present invention is given with reference to the accompanying drawings and the detailed description. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for the purpose of facilitating and clearly aiding in the description of embodiments of the invention. For a better understanding of the invention with objects, features and advantages, refer to the drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that any modifications, changes in the proportions, or adjustments of the sizes of structures, proportions, or otherwise, used in the practice of the invention, are included in the spirit and scope of the invention which is otherwise, without departing from the spirit or essential characteristics thereof.

Fig. 1 is a front view showing a structure of a wire bonding mechanism according to a first embodiment of the present invention. Fig. 2 is a right-side view of the driving mechanism according to the first embodiment of the present invention. Fig. 3 is a right-side view of the driving mechanism according to the first embodiment of the present invention. Fig. 4 is a front view showing a structure of the holding mechanism, the rotating mechanism, and the photographing mechanism according to the first embodiment of the present invention. Fig. 5 shows a front view of the rotary mechanism according to the first embodiment of the present invention. Fig. 6 shows an enlarged right-side structural view at a in fig. 5. Fig. 7 is a front view showing a structure of a feeding mechanism and a tensioning mechanism of the first embodiment of the present invention. Fig. 8 shows an enlarged structural view at B in fig. 7. Fig. 9 is a front view showing a structure of a tensioning mechanism of the first embodiment of the present invention. As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8 and 9, the invention discloses a wire bonding mechanism. The direction of X in the figure is the upper end of the main view structure diagram of the invention, and the direction of Y in the figure is the right end of the main view structure diagram of the invention.

The welding mechanism of wiring includes actuating mechanism 6, fixture 1 of centre gripping product, sets up the slewing mechanism 2 on fixture 1, welds the welding mechanism 3 of product, around the shooting mechanism 4 that the product set up on fixture 1 and set up the feeding mechanism 5 on welding mechanism 3. The clamping mechanism 1 clamps the product, and the rotating mechanism 2 rotates one side of the product. The feeding mechanism 5 feeds welding wires, and the driving mechanism 6 drives the welding mechanism 3 to move welding products.

The rotating mechanism 2 is arranged on the clamping mechanism 1 at a position close to one side of the product. The driving mechanism 6 drives the welding mechanism 3 to move downward close to the product. The shooting mechanism 4 shoots the product before welding the product, and calculates the number of turns of one side of the product and the conveying amount of the welding wire according to the area size of the welding spot area of the product. Before welding the product, the rotating mechanism 2 rotates one side of the product to a certain number of turns. The feeding mechanism 5 feeds a fixed amount of welding wire, and the welding mechanism 3 completes product welding. When the clamping mechanism 1 releases the clamping of the product, the product can twist to a certain extent, and the shooting mechanism 4 shoots the product to calculate whether the welding spot position is qualified or not.

Products include, but are not limited to, thermistors, light beads, circuit boards. The product needs to be welded with wires.

The rotation of one side of the product is completed through the rotating mechanism 2, so that after welding is completed, the product can be twisted, and after the product is twisted, whether the connection of a welding spot of the product is disconnected or not is calculated through shooting of the shooting mechanism 4, if the connection is disconnected, the wire core of the electric wire is not connected with the position of the welding spot of the product, and the firmness of welding of the welding spot can be found in time after the welding of the product is completed.

The clamping mechanism 1 comprises a bracket 11, a seat plate 12 for placing products, a pressing block 13 for pressing the products, a third power device 14 for driving the products to lift and a clamping piece 15 for clamping the products. The seat plate 12 is arranged at the driving end of the third power device 14. The pressing block 13 is provided on the bracket 11. The clamping members 15 are oppositely arranged on the bracket 11 and the seat plate 12. The opposite side of the clamping member 15 is provided with a clamping space 16. The product is placed between the clamping spaces 16 on the opposite clamping members 15.

The bracket 11 is arranged in the left-right direction. The seat plate 12 is horizontally arranged in the left-right direction. The pressing blocks 13 are provided on the left and right sides of the lower end of the bracket 11 in the front-rear direction. Preferably, the third power means 14 is a cylinder. The third power device 14 is provided in the up-down direction. The holding member 15 is provided in the left-right direction. Preferably, the clamping member 15 is semi-cylindrical. The clamps 15 are provided on the seat plate 12 and the bracket 11, respectively.

The product is placed on the seat plate 12, the driving end of the third power device 14 is extended, and the third power device 14 drives the seat plate 12, the clamping member 15 and the product to approach the bracket 11. The pressing block 13 presses the product, and one side of the product is arranged between clamping spaces 16 on the opposite clamping pieces 15. The holding space 16 fits the product.

The pressing pieces 13 press the welding portion and the wire portion of the product, respectively. The wire portion of the product is placed between the clamping spaces 16 on the opposite clamping members 15. The clamping space 16 conforms to the outer surface of the wire portion.

The welding part and the electric wire part of the product are pressed through the pressing block 13, so that the electric wire part is prevented from rotating after rotating for a certain number of turns to drive the welding part to rotate. Meanwhile, after the electric wire part rotates for a certain number of turns, the outer surface of the electric wire part can be distorted to a certain extent, the electric wire part is arranged between clamping spaces 16 on the opposite clamping pieces 15, so that the distortion of the electric wire of the clamping pieces 15 is avoided, the torque force generated by the rotation of the electric wire part is prevented from being transmitted to the welding part, and the welding between the welding part and the electric wire part is ensured.

The rotating mechanism 2 includes a rotating base 21, a rotating block 22 for holding one side of the product, and a second power device 23 for driving the rotating block 22 to rotate. The rotary seat 21 is oppositely arranged on the bracket 11 and the seat plate 12. The rotating block 22 rotates in the rotating seat 21. The second power means 23 is provided on the rotating seat 21.

Preferably, the rotating seats 21 are two groups. The upper rotary seat 21 is provided on the bracket 11. A rotating seat 21 located below is provided on the seat plate 12. Preferably, the turning block 22 is semi-circular. Preferably, the turning blocks 22 are two sets. Preferably, the second power means 23 is an electric motor. The driving end of the second power device 23 is provided with a gear 24. A first tooth form 25 is provided around the rotating block 22. The side of the rotating seat 21, which is close to the second power device 23, is provided with an avoidance port. The gear 24 rotates along the relief port. The gear 24 engages the first tooth form 25.

After the rotating blocks 22 are brought close to each other, the electric wire portion is placed between the rotating blocks 22. The second power device 23 drives the gear 24 to rotate, and the gear 24 drives the rotating block 22 to rotate along the rotating seat 21 through the first tooth shape 25. The turning block 22 rotates the wire portion a certain number of turns.

The rotating seat 21 is internally provided with a rotating groove 7. The rotary seat 21 is provided with a guide groove 71 around the rotary groove 7. A guide block 72 is provided around the rotating block 22. When the turning block 22 rotates in the turning groove 7, the guide block 72 slides along the guide groove 71. A limiting block 73 is provided on the relative rotation block 22. When the rotating blocks 22 are spliced with each other, the product side is placed between the restricting blocks 73. The restriction blocks 73 on the rotation block 22 are embedded with each other.

The rotating groove 7 is formed on the opposite side of the rotating seat 21. Preferably, the rotation groove 7 is semicircular. The guide groove 71 communicates with the inside of the rotation groove 7. Preferably, the guide groove 71 is circular arc-shaped. Preferably, the guide block 72 is circular arc shaped. Preferably, the limiting blocks 73 are in two groups. The restriction block 73 is vertically provided on the rotation block 22. There is a gap between the restriction block 73 of the upper rotation block 22 and the restriction block 73 of the lower rotation block 22.

Guide rods 74 are provided on both sides of the restriction block 73 on the rotation block 22. The guide bar 74 is provided in the up-down direction. When the rotating blocks 22 are spliced with each other, the guide rods 74 on the rotating blocks 22 are inserted into each other while the product side is placed between the restriction blocks 73, and the restriction blocks 73 on the rotating blocks 22 are inserted into each other. The clamping of the wire portions and the precise positioning splice between the rotating blocks 22 are completed. So that no jamming occurs between the rotating block 22 and the rotating seat 21 when the rotating block 22 rotates along the rotating seat 21.

The side of the limiting block 73 near the electric wire portion is opened with an outwardly extending circular arc curved surface. The wire portion transitions between the restriction blocks 73 through the circular arc curved surface.

The driving mechanism 6 includes a first base 61, a slider 62 slidably provided on the first base 61, a second base 63 provided on the slider 62, a slide bar 64 slidably provided on the second base 63, a plate body 65 driving the slide bar 64 to slide, an adjusting device 66 driving the plate body 65 to swing, and a first power device 67 driving the slider 62 to slide. The first power means 67 is provided on the first base 61. The plate 65 is swingably connected to the second base 63. The two ends of the plate body 65 are respectively movably connected with the adjusting ends of the slide rod 64 and the adjusting device 66. The welding mechanism 3 is provided on the slide bar 64.

The first base 61 is provided in the up-down direction. The slider 62 slides up and down along the first base 61. The first power unit 67 is provided at the upper end of the first base 61 in the up-down direction. The lower end of the first power device 67 is the driving end of the first power device 67. The driving end of the first power device 67 penetrates through the first base 61 to be connected with the upper end of the sliding block 62. The first base 61 is provided with a guide rail 68 in the up-down direction. The slider 62 is slidably coupled to the guide rail 68. The slider 62 slides up and down along the guide rail 68.

The second base 63 is provided on the slider 62 in the up-down direction. The slide bar 64 is slidably provided on the second base 63 in the up-down direction. Preferably, the adjustment means 66 is a micro-cartridge. Waist-shaped holes are formed at two ends of the plate body 65. The plate 65 is movably connected with the slide bar 64 through a first pin. The first pin shaft passes through a waist-shaped hole of the plate body 65 near one end of the slide rod 64 and the upper end of the slide rod 64, respectively. The lower end of the slide bar 64 is connected with the welding mechanism 3. The plate 65 is movably connected with the adjusting end of the adjusting device 66 through a second pin. The second pin shaft passes through the waist-shaped hole of the plate body 65 near one end of the adjusting device 66 and the adjusting end of the adjusting device 66 respectively.

The vertical position of the welding mechanism 3 is finely adjusted by rotating the adjusting device 66. The adjusting device 66 is rotated, so that the adjusting end of the adjusting device 66 moves downwards, the adjusting end of the adjusting device 66 drives one end of the plate body 65, which is close to the adjusting device 66, to swing downwards, one end of the plate body 65, which is close to the slide rod 64, swings upwards, one end of the plate body 65, which is close to the slide rod 64, pulls the slide rod 64 upwards, and the slide rod 64 drives the welding mechanism 3 to move upwards.

The adjusting device 66 is reversely rotated, so that the adjusting end of the adjusting device 66 moves upwards, the adjusting end of the adjusting device 66 drives one end of the plate body 65, which is close to the adjusting device 66, to swing upwards, one end of the plate body 65, which is close to the slide rod 64, swings downwards, one end of the plate body 65, which is close to the slide rod 64, pushes the slide rod 64 downwards, and the slide rod 64 drives the welding mechanism 3 to move downwards.

The position at which the welding mechanism 3 is driven to move downward by the first power means 67 is fixed. Fine adjustment of the position of the downward movement of the welding mechanism 3 is accomplished by the adjustment means 66. The length of the plate 65 from the end of the plate 65 near the adjusting device 66 at the swing position is longer than the length of the plate 65 from the end of the plate 65 near the slide rod 64 at the swing position. The adjusting device 66 can precisely adjust the position of the welding mechanism 3, so that the position precision of the welding mechanism 3 is improved, and the welding quality of products is ensured.

The welding mechanism 3 includes a connection block 31 provided on a slide bar 64, a welding block 32 provided on the connection block 31, a welding head 33 for welding a product, a heat radiation fin 34 for transmitting heat, and a heat radiation fan 35. The welding block 32 is provided with a space 36 for storing a cooling medium. The welding head 33 is provided on the welding block 32 and contacts the cooling medium. The heat sinks 34 are juxtaposed on the solder block 32. One side of the heat sink 34 is disposed in the space 36. The other side of the fin 34 extends outwardly. The fan 35 is disposed on the other side of the heat sink 34.

The connection block 31 is connected to the lower end of the slide bar 64. The welding block 32 is connected to the lower end of the connection block 31. The welding head 33 is provided at the lower end of the welding block 32 in the up-down direction. The heat sink 34 is juxtaposed on the upper end of the solder block 32. The upper end of the welding head 33 is placed at the lower end in the space 36. The lower ends of the heat sinks 34 are disposed at the upper ends within the space 36. A fan 35 is provided at the upper end of the heat sink 34. The welding head 33 is connected to a power source. Preferably, the cooling medium is an insulating cooling liquid.

When the welding head 33 welds a product, the welding head 33 itself generates heat. The heat of the welding head 33 is transferred to the cooling medium in the space 36, the cooling medium is vaporized to form steam after being heated, the steam flows upwards along the space 36, the steam contacts the cooling fin 34 to be liquefied when being cooled to form water drops, the water drops are fused into the cooling medium, the heat of the steam is transferred to the cooling fin 34, and the fan 35 discharges the heat of the cooling fin 34.

By controlling the wind speed of the fan 35, the heat radiation speed of the heat radiation fin 34 is adjusted so that the temperature of the welding head 33 is always in a stable state. Fluctuation of the welding head 33 is avoided, melting of the welding wire is affected, and welding quality of welding spots is guaranteed.

The feeding mechanism 5 includes a feeding frame 55, a tray 51 on which welding wire is placed, a pipe 52 for feeding welding wire, a feeding wheel 53 for moving welding wire, and a fifth power device 54 for driving the feeding wheel 53 to rotate. The wire passes through the conduit 52. One end of the pipe 52 faces the tray 51, and the other end of the pipe 52 faces the product welding position. The tube 52 is provided with a feed location 56 for the exposed welding wire. The conveying wheel 53 is rotatably provided on the carriage 55 at a position near the conveying position 56. The fifth power device 54 is provided on the feeding frame 55.

The feeding frame 55 is provided on the welding mechanism 3. The tray 51 is rotatably provided on the feeding frame 55. Preferably, the fifth power device 54 is an electric motor. The conveying wheel 53 is provided at the driving end of the fifth power device 54. The duct 52 is provided in the up-down direction on a feed rack 55. The upper end of the duct 52 faces the tray 51. The lower end of the pipe 52 is directed towards the product welding location. The delivery site 56 is open to the outer surface of the conduit 52. A second tooth form 57 is provided around the transfer wheel 53. The second tooth 57 of the feed wheel 53 contacts the wire as it passes through the conduit 52.

The fifth power device 54 drives the conveying wheel 53 to rotate, and the conveying wheel 53 drives the welding wire to slide along the pipeline 52 and approach the product welding position. And in the welding wire moving process, the charging tray 51 is pulled to drive the charging tray 51 to rotate so as to finish paying-off of the welding wire.

After the shooting mechanism 4 shoots the product, the welding area of the welding spot of the product is calculated, and the number of turns of the wire part and the feeding amount of the welding wire are determined. The rotation of the rotating block 22 drives the wire part to rotate for a certain number of turns, and the rotation of the conveying wheel 53 drives the welding wire to slide along the pipeline 52 and approach the welding position of the product, so that the welding wire with a certain distance is conveyed.

The welding mechanism of the wire also comprises a tensioning mechanism 8 for tensioning the welding wire. The tensioning mechanism 8 includes a tensioning bracket 81, an outer cylinder 82 provided on the tensioning bracket 81, a tensioning cylinder 83 rotatably provided in the outer cylinder 82, and a fourth power device 84 that drives the tensioning cylinder 83 to rotate. The fourth power means 84 is provided on the tensioning bracket 81. A tensioning position 85 is provided around the tensioning cylinder 83. The wire moves along the tension position 85.

The tension bracket 81 is provided on the feeding frame 55. The outer cylinder 82 is fixedly connected to the tensioning bracket 81. The tension cylinder 83 is rotatably connected to the tension bracket 81. The tension cylinder 83 is coaxially located within the outer cylinder 82. Preferably, the fourth power device 84 is an electric motor. The driving end of the fourth power device 84 is connected to the tension cylinder 83. The tensioning place 85 opens around the outer surface of the tensioning cylinder 83.

Before the welding wire moves into the pipeline 52, the welding wire moves into the outer cylinder 82, and the welding wire is wound on the tensioning position 85 of the tensioning cylinder 83. The fourth power device 84 drives the tensioning cylinder 83 to rotate, and the tensioning cylinder 83 drives the welding wire to move out of the outer cylinder 82.

By winding the welding wire around the tension position 85 of the tension cylinder 83, the welding wire is still in a tensioned state when the welding wire stops moving, and the tensioning mechanism 8 realizes tensioning of the welding wire.

The driving end of the fifth power device 54 is provided with a torsion sensor. The torsion sensor is provided with a standard force value. When the force value detected by the torsion sensor is larger, the resistance of the welding wire in the moving process is larger, the torsion sensor sends a signal to the fourth power device 84, the power of the fourth power device 84 is increased, the rotation speed of the tensioning cylinder 83 driven by the fourth power device 84 is increased, the moving speed of the welding wire is increased, and the force value detected by the torsion sensor is gradually close to the standard force value.

When the force value detected by the torsion sensor is smaller, the resistance of the welding wire in the moving process is smaller, the torsion sensor sends a signal to the fourth power device 84, the power of the fourth power device 84 is reduced, the fourth power device 84 drives the tensioning cylinder 83 to rotate at a slower speed, the moving speed of the welding wire is reduced, and the force value detected by the torsion sensor is gradually close to the standard force value.

The torque sensor of the fifth power device 54 is used for adjusting the moving speed of the welding wire, so that the welding wire can move at a constant speed, the welding wire can be quantitatively conveyed during welding of products, and the conveying quantity is accurately controlled.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. A welding mechanism of wiring, its characterized in that: the automatic welding device comprises a driving mechanism (6), a clamping mechanism (1) for clamping products, a rotating mechanism (2) arranged on the clamping mechanism (1), a welding mechanism (3) for welding the products, a shooting mechanism (4) arranged on the clamping mechanism (1) around the products and a feeding mechanism (5) arranged on the welding mechanism (3); the clamping mechanism (1) clamps a product, and the rotating mechanism (2) rotates one side of the product; the feeding mechanism (5) is used for feeding welding wires, and the driving mechanism (6) is used for driving the welding mechanism (3) to move welding products;

the clamping mechanism (1) comprises a bracket (11), a seat plate (12) for placing products, a pressing block (13) for pressing the products, a third power device (14) for driving the products to lift and a clamping piece (15) for clamping the products; the seat board (12) is arranged at the driving end of the third power device (14); the pressing block (13) is arranged on the bracket (11); the clamping piece (15) is oppositely arranged on the bracket (11) and the seat board (12); a clamping space (16) is formed on the opposite side of the clamping piece (15); the product is placed between the clamping spaces (16) on the opposite clamping piece (15);

the rotating mechanism (2) comprises a rotating seat (21), a rotating block (22) for clamping one side of a product and a second power device (23) for driving the rotating block (22) to rotate; the rotating seat (21) is oppositely arranged on the bracket (11) and the seat plate (12); the rotating block (22) rotates along the rotating seat (21); the second power device (23) is arranged on the rotating seat (21);

a rotating groove (7) is formed in the rotating seat (21); a guide groove (71) is formed in the rotating seat (21) around the rotating groove (7); -arranging a guide block (72) around the rotating block (22); when the rotating block (22) rotates along the rotating groove (7), the guide block (72) slides along the guide groove (71); a limiting block (73) is arranged opposite to the rotating block (22); when the rotating blocks (22) are spliced with each other, one side of a product is arranged between the limiting blocks (73); the limiting blocks (73) on the rotating blocks (22) are mutually embedded;

after the shooting mechanism (4) shoots the product, calculating the welding area of a welding spot of the product, and determining the number of turns of the wire part and the feeding amount of the welding wire; the rotating block (22) rotates to drive the wire part to rotate for a certain number of turns, the conveying wheel (53) rotates to drive the welding wire to slide along the pipeline (52) and approach the welding position of the product, and the welding wire with a certain distance is conveyed;

the pressing blocks (13) respectively press the welding part and the electric wire part of the product; the wire part of the product is arranged between clamping spaces (16) on the opposite clamping pieces (15); the clamping space (16) is attached to the outer surface of the electric wire part;

the welding part and the electric wire part of the product are pressed by the pressing block (13), so that the electric wire part is prevented from rotating after rotating for a certain number of turns to drive the welding part to rotate; meanwhile, after the electric wire part rotates for a certain number of turns, the outer surface of the electric wire part can be distorted to a certain extent, the electric wire part is arranged between clamping spaces (16) on opposite clamping pieces (15), so that the distortion of part of electric wires of the clamping pieces (15) is avoided, the torque force generated by the rotation of the electric wire part is prevented from being transmitted to the welding part, and the welding between the welding part and the electric wire part is ensured.

2. The wire bonding mechanism of claim 1 wherein: the driving mechanism (6) comprises a first base (61), a sliding block (62) arranged on the first base (61) in a sliding manner, a second base (63) arranged on the sliding block (62), a sliding rod (64) arranged on the second base (63) in a sliding manner, a plate body (65) driving the sliding rod (64) to slide, an adjusting device (66) driving the plate body (65) to swing and a first power device (67) driving the sliding block (62) to slide; the first power device (67) is arranged on the first base (61); the plate body (65) is connected to the second base (63) in a swinging manner; two ends of the plate body (65) are respectively and movably connected with the slide rod (64) and the adjusting end of the adjusting device (66); the welding mechanism (3) is arranged on the sliding rod (64).

3. The wire bonding mechanism of claim 2 wherein: the welding mechanism (3) comprises a connecting block (31) arranged on the sliding rod (64), a welding block (32) arranged on the connecting block (31), a welding head (33) for welding products, a radiating fin (34) for transferring heat and a radiating fan (35); a space (36) for storing cooling medium is formed in the welding block (32); the welding head (33) is arranged on the welding block (32) and contacts a cooling medium; the radiating fins (34) are arranged on the welding block (32) in parallel; one side of the radiating fin (34) is arranged in the space (36); the other side of the radiating fin (34) extends outwards; the fan (35) is arranged on the other side of the radiating fin (34).

4. The wire bonding mechanism of claim 1 wherein: the feeding mechanism (5) comprises a feeding frame (55), a tray (51) for placing welding wires, a pipeline (52) for conveying the welding wires, a conveying wheel (53) for moving the welding wires and a fifth power device (54) for driving the conveying wheel (53) to rotate; the welding wire passes through the conduit (52); one end of the pipeline (52) faces the material tray (51), and the other end of the pipeline (52) faces a product welding position; the pipeline (52) is provided with a feeding position (56) for exposing welding wires; the conveying wheel (53) is rotatably arranged on the feeding frame (55) at a position close to the conveying position (56); the fifth power device (54) is arranged on the feeding frame (55).

5. The wire bonding mechanism of claim 4 wherein: the welding wire tensioning device also comprises a tensioning mechanism (8) for tensioning the welding wire; the tensioning mechanism (8) comprises a tensioning bracket (81), an outer cylinder (82) arranged on the tensioning bracket (81), a tensioning cylinder (83) rotatably arranged in the outer cylinder (82) and a fourth power device (84) for driving the tensioning cylinder (83) to rotate; the fourth power device (84) is arranged on the tensioning bracket (81); -opening a tensioning position (85) around the tensioning cylinder (83); the wire moves along the tension position (85).