Flat wire welding equipment and process with precise positioning

Abstract

The present invention belongs to the technical field of flat wires, and specifically is a flat wire welding device and process with precise positioning, comprising a workbench, a movable plate is symmetrically slidably connected to the upper surface of the workbench, and movable blocks are symmetrically slidably connected to the upper surfaces of the two movable plates, and a plurality of sleeves are fixedly connected to the interior of the two movable blocks, and a first spring is fixedly connected to the interior of the sleeve, and one end of the first spring is fixedly connected to a movable rod, and the movable rod is slidably connected to the inner wall of the sleeve, and a hydraulic cylinder is arranged between the two movable plates, and a welding head is fixedly connected to the telescopic end of the hydraulic cylinder, and the fixed end of the hydraulic cylinder is fixedly connected to the upper surface of the workbench. The movable rod of the present invention can be adaptively adjusted to ensure smooth centering operation, thereby solving the problem that impurities may adhere to both sides of the flat wire during production or transportation, resulting in uneven surface.

Description

Technical Field

[0001] The invention belongs to the technical field of flat wire welding, in particular to a flat wire welding device and process with precise positioning. Background Art

[0002] Flat wire, also known as flat wire, flattened wire, flat-angle wire or ultra-narrow strip, refers to a heterogeneous metal wire with a cross-section that is approximately a rounded rectangle. The thickness ranges from 0.025mm to 2mm, and the width is generally less than 5mm. In order to reduce failures and losses caused by poor connections, the flat wire needs to be welded. Before welding the flat wire, it is necessary to position the flat wire so that it is centered, reducing the time for manual adjustment and positioning, and improving production efficiency and consistency.

[0003] A patent application with publication number CN220462721U discloses a flat wire welding device, including a device body, which includes a base, a longitudinal frame is arranged at the rear of the base, a transverse frame is arranged in front of the longitudinal frame, a drive groove is penetrated through the upper end of the transverse frame, a welding machine is slidably connected inside the drive groove, a welding head fixedly connected to the lower end of the welding machine is arranged below the transverse frame, sliders are fixedly connected to the left and right sides of the rear end of the transverse frame, and a slide groove matching the slider is arranged on the front end surface of the longitudinal frame.

[0004] In the above prior art, before welding the flat wires, a clamping seat is used to perform a centering and fixing operation on the flat wires, so that the two groups of flat wires can be accurately positioned so that the welds of the two groups fit each other;

[0005] When impurities adhere to both sides of the flat wire due to processing technology or other reasons, the flatness and dimensional accuracy of both sides of the flat wire will change. When it is subsequently pushed by the clamping seat, since the movement distance of the clamping seat is fixed, the protrusions or obstacles formed by the impurities will prevent the clamping seat from pushing the flat wire to the expected position, resulting in centering failure and the weld cannot be completely fitted, thus affecting the welding quality.

[0006] To this end, the present invention provides a flat wire welding device and process with precise positioning. Summary of the invention

[0007] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0008] The technical solution adopted by the present invention to solve its technical problem is: the flat wire welding equipment with precise positioning described in the present invention includes a workbench, the upper surface of the workbench is symmetrically slidably connected with a movable plate, the upper surfaces of the two movable plates are symmetrically slidably connected with movable blocks, the interiors of the two movable blocks are fixedly connected with a plurality of sleeves, the interiors of the sleeves are fixedly connected with a first spring, one end of the first spring is fixedly connected with a movable rod, the movable rod is slidably connected to the inner wall of the sleeve, a hydraulic cylinder is arranged between the two movable plates, the telescopic end of the hydraulic cylinder is fixedly connected with a welding head, the fixed end of the hydraulic cylinder is fixedly connected to the upper surface of the workbench, a support seat is arranged on the bottom side of the welding head, and one end of the support seat is fixedly connected to the upper surface of the workbench.

[0009] Preferably, the workbench is internally rotatably connected with a first bidirectional screw rod, the surface of the first bidirectional screw rod is threadedly connected to the inner lower surface of the movable plate, the inner lower surface of the movable plate is slidably connected with a positioning rod, the two ends of the positioning rod are respectively fixedly connected to the inner wall of the workbench, one end of the workbench is fixedly connected to a first motor, and the output end of the first motor is fixedly connected to one end of the first bidirectional screw rod.

[0010] Preferably, the movable plate is internally rotatably connected to a second bidirectional screw rod, both ends of which are respectively threadedly connected to the inner lower surface of the movable block, and one side of the movable plate is fixedly connected to a second motor, and the output end of the second motor is fixedly connected to one end of the second bidirectional screw rod.

[0011] Preferably, a plurality of limit grooves are provided on the surface of the moving rod, the inner wall of the sleeve is slidably connected to the limit rod, one end of the limit rod matches the size of the limit groove, and a plurality of convex plates are slidably connected to the inner upper surface of the moving block, and both sides of the convex plates are respectively fitted with one end of the limit rod.

[0012] Preferably, one end of the plurality of convex plates is fixedly connected to a magnetic plate, the upper surface of the movable block is symmetrically fixedly connected to a fixing frame, the lower surface of one end of the fixing frame is fixedly connected to an electromagnet, and the electromagnet and the magnetic plate repel each other when energized.

[0013] Preferably, a second spring is fixedly connected between one end of the limit rod and the surface of the sleeve, a spring telescopic rod is provided on one side of the convex plate, the fixed end of the spring telescopic rod is fixedly connected to the inner lower surface of the moving block, and the telescopic end of the spring telescopic rod is fixedly connected to the lower surface of the convex plate.

[0014] Preferably, the interior of the limiting rod is slidably connected with an insertion rod, a magnetic block is provided on one side of the limiting groove, the magnetic block is fixedly connected to the interior of the movable rod, a plurality of limiting holes are provided on the outer wall of the magnetic block, and the size of the insertion rod matches the size of the insertion hole.

[0015] Preferably, the insertion rod is made of magnetic material, and the magnetism of the insertion rod and the magnetism of the magnetic block are attracted to each other.

[0016] Preferably, a third spring is fixedly connected between one end of the insertion rod and the inner wall of the limiting rod, a push plate is slidably connected to the surface of the insertion rod, and a fourth spring is fixedly connected between one end of the push plate and one end of the limiting rod.

[0017] A welding process includes the following steps: Step 1: Select two flat wires to be welded, and place the flat wires to be welded between two moving blocks; Step 2: Drive the two moving blocks to slide close to each other, and the moving blocks drive the moving rods to slide synchronously, so that the moving rods contact the two sides of the flat wires, and push the flat wires to perform centering operations; Step 3: After the two groups of flat wires are centered, drive the two moving plates close to each other so that one end of the two groups of flat wires rests on a support seat, and one end of the two groups of flat wires fits together; Step 4: Drive the welding head down, and after the welding head contacts the fitting ends of the two groups of flat wires, the flat wires are welded; Step 5: After welding is completed, drive the moving block to reset, and remove the welded flat wires.

[0018] The beneficial effects of the present invention are as follows:

[0019] 1. The flat wire welding equipment and process with precise positioning described in the present invention are provided with a plurality of moving rods, which can contact the side of the flat wire and push the flat wire to perform centering operation, and can also fix the flat wire at the same time. Moreover, when irregular impurities adhere to the sides of the flat wire due to the production process or other reasons, after the moving rod contacts the impurities, the rod can be extended and retracted into the sleeve and the first spring can be squeezed, so that the length of the moving rod can be changed according to the side of the flat wire, thereby interfering to ensure that the flat wire can be stably centered and achieve the effect of precise positioning.

[0020] 2. The flat wire welding equipment and process with precise positioning described in the present invention, by setting a limit rod and a limit groove, when the moving block moves to the final position, the moving rod moves to different positions according to one side of the flat wire, at this time, the electromagnet is turned on, the electromagnet drives the magnetic plate to descend, the magnetic plate drives the convex plate to descend, the convex plate squeezes the limit rod, the limit rod slides on the inner wall of the sleeve and enters the limit groove, at this time the moving rod is limited by the limit rod and cannot move, which can avoid the movement of the moving rod due to vibration or collision and other factors during welding, thereby causing the flat wire to be misaligned, so that the weld cannot be accurately formed at the desired position, which not only affects the appearance quality of the welding, but also requires rework or re-welding, which increases production time and affects the subsequent processes.

[0021] 3. The flat wire welding equipment and process with precise positioning described in the present invention is provided with an insertion rod. When the limiting rod has not entered the limiting groove, the magnetic block can adsorb the insertion rod so that the insertion rod enters the limiting hole inside the magnetic block. At this time, the movable rod can be limited by the insertion rod to prevent the movable rod from moving and causing the flat wire to be misplaced, which ultimately causes the problem of flat wire welding misplacement and reduced welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described below in conjunction with the accompanying drawings.

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 It is a structural schematic diagram of the movable plate of the present invention;

[0025] Figure 3 It is a structural schematic diagram of the moving block of the present invention;

[0026] Figure 4 is a rear structural cross-sectional view of the moving block of the present invention;

[0027] Figure 5 It is a schematic structural diagram of the sleeve and the moving rod of the present invention;

[0028] Figure 6 It is a partial structural cross-sectional view of the sleeve and the moving rod of the present invention;

[0029] Figure 7 It is a structural schematic diagram of the limit rod of the present invention;

[0030] Figure 8 is a structural cross-sectional view of the limiting rod of the present invention;

[0031] Fig. 9 It is a structural schematic diagram of the fixing frame of the present invention;

[0032] Fig.10 It is a structural schematic diagram of the magnetic block of the present invention;

[0033] In the figure: 1. workbench; 11. first bidirectional screw; 12. first motor; 13. welding head; 14. support seat; 2. moving plate; 21. second motor; 22. second bidirectional screw; 3. moving block; 31. sleeve; 32. moving rod; 321. limiting groove; 322. magnetic block; 323. limiting hole; 33. first spring; 34. limiting rod; 341. second spring; 342. insert rod; 343. third spring; 344. push plate; 345. fourth spring; 35. convex plate; 351. spring telescopic rod; 352. magnetic plate; 4. fixing frame; 41. electromagnet. DETAILED DESCRIPTION

[0034] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0035] Embodiment 1

[0036] like Figures 1 to 6 As shown, a flat wire welding device with precise positioning described in an embodiment of the present invention includes a workbench 1, a movable plate 2 is symmetrically slidably connected to the upper surface of the workbench 1, and movable blocks 3 are symmetrically slidably connected to the upper surfaces of the two movable plates 2, and a plurality of sleeves 31 are fixedly connected to the interior of the two movable blocks 3, and a first spring 33 is fixedly connected to the interior of the sleeve 31, and one end of the first spring 33 is fixedly connected to a movable rod 32, and the movable rod 32 is slidably connected to the inner wall of the sleeve 31, and a hydraulic cylinder is arranged between the two movable plates 2, and a welding head 13 is fixedly connected to the telescopic end of the hydraulic cylinder, and the fixed end of the hydraulic cylinder is fixedly connected to the upper surface of the workbench 1, and a support seat 14 is arranged on the bottom side of the welding head 13, and one end of the support seat 14 is fixedly connected to the upper surface of the workbench 1.

[0037] like Figure 1 As shown, the workbench 1 is internally rotatably connected with a first bidirectional screw rod 11, the surfaces of the first bidirectional screw rod 11 are threadedly connected to the inner lower surface of the movable plate 2, the inner lower surface of the movable plate 2 is slidably connected with a positioning rod, and the two ends of the positioning rod are respectively fixedly connected to the inner wall of the workbench 1, one end of the workbench 1 is fixedly connected with a first motor 12, and the output end of the first motor 12 is fixedly connected to one end of the first bidirectional screw rod 11.

[0038] like Figure 2 As shown, the internal rotation of the movable plate 2 is connected to a second bidirectional screw rod 22, and the two ends of the second bidirectional screw rod 22 are respectively threadedly connected to the inner lower surface of the movable block 3, and one side of the movable plate 2 is fixedly connected to a second motor 21, and the output end of the second motor 21 is fixedly connected to one end of the second bidirectional screw rod 22.

[0039] Specifically, in the prior art, before welding the flat wires, a clamping plate is needed to perform a centering and fixing operation on the flat wires, so that the two groups of flat wires can be accurately positioned so that the welds of the two groups fit each other;

[0040] When the above-mentioned prior art is used, when impurities are attached to both sides of the flat wire due to processing or other reasons, the flatness and dimensional accuracy of both sides of the flat wire will change. When the flat wire is subsequently pushed by the clamp, since the clamp pushes a fixed distance, the clamp cannot push the flat wire to the expected position due to the protrusions or obstacles formed by the impurities, resulting in a centering failure and the weld cannot be completely fitted, thereby affecting the welding quality.

[0041] In order to solve the above problems: the working principle of this embodiment is as follows: two groups of flat wires are placed on the upper surface of the movable plate 2 respectively, and are located between the two movable blocks 3, and then the second motor 21 is turned on, and the second motor 21 drives the second bidirectional screw rod 22 to rotate, and the second bidirectional screw rod 22 drives the two movable blocks 3 to approach each other, and the two movable blocks 3 drive the movable rod 32 to slide synchronously, and the movable rod 32 contacts the two sides of the flat wire and pushes the flat wire to perform a centering operation. After the two flat wires are centered, the first motor 12 is turned on, and the first motor 12 drives the first bidirectional screw rod 11, and the first bidirectional screw rod 11 rotates and drives the two movable plates 2 to slide, and the movable plate 2 drives one end of the flat wire to move to the upper surface of the support seat 14. When one end of the two flat wires are close to each other, the welding head 13 is driven down by the hydraulic cylinder, and the welding head 13 descends and contacts the alignment point of the two flat wires, so that the welding of the two flat wires is completed. After the welding is completed, the flat wire can be removed and replaced.

[0042] When impurities are attached to both sides of the flat wire, causing the surfaces of both sides to be uneven, the moving rod 32 first contacts the uneven surface, and then the moving rod 32 continues to push the flat wire to perform a centering operation. During centering, the uneven surface of the flat wire squeezes the moving rod 32, so that the moving rod 32 slides on the inner wall of the sleeve 31 and squeezes the first spring 33. The moving rod 32 can automatically adjust according to the unevenness of both sides of the flat wire to achieve the centering operation of the flat wire.

[0043] The moving rod 32 of the first embodiment can be adjusted adaptively to ensure smooth centering operation, thereby solving the problem that impurities may adhere to both sides of the flat wire during production or transportation, resulting in uneven surface.

[0044] Embodiment 2

[0045] like Figures 4 to 7 and Fig. 9 As shown, compared with Example 1, another implementation of the present invention is: a plurality of limit grooves 321 are provided on the surface of the moving rod 32, the inner wall of the sleeve 31 is slidably connected with a limit rod 34, one end of the limit rod 34 matches the size of the limit groove 321, and a plurality of convex plates 35 are slidably connected to the inner upper surface of the moving block 3, and the two sides of the convex plates 35 are respectively fitted with one end of the limit rod 34.

[0046] like Figure 4 As shown, one end of the plurality of protruding plates 35 is fixedly connected to a magnetic plate 352, the upper surface of the moving block 3 is symmetrically fixedly connected to a fixing frame 4, and the lower surface of one end of the fixing frame 4 is fixedly connected to an electromagnet 41, and the electromagnet 41 and the magnetic plate 352 repel each other when energized.

[0047] like Figure 4As shown, a second spring 341 is fixedly connected between one end of the limit rod 34 and the surface of the sleeve 31, a spring telescopic rod 351 is provided on one side of the convex plate 35, the fixed end of the spring telescopic rod 351 is fixedly connected to the inner lower surface of the moving block 3, and the telescopic end of the spring telescopic rod 351 is fixedly connected to the lower surface of the convex plate 35.

[0048] Specifically, the moving rod 32 positions and fixes the flat wire through the first spring 33. When collision, vibration or other similar factors occur during welding, the first spring 33 may push the moving rod 32 to move. The movement of the moving rod 32 causes the flat wire to move, thereby affecting the precise positioning of the flat wire and causing the flat wire to be misplaced.

[0049] The working principle of the second embodiment is as follows: when the moving block 3 moves to the final position, the electromagnet 41 is energized, and then the magnetic force generated by the electromagnet 41 pushes the magnetic plate 352 downward, and the magnetic plate 352 is forced to drive the convex plate 35 downward, and the convex plate 35 squeezes the limiting rod 34 to slide in the inner wall of the sleeve 31 and squeezes the second spring 341, and the limiting rod 34 enters the limiting groove 321 on the surface of the moving rod 32, and the moving rod 32 can be limited at this time;

[0050] When the moving rod 32 is located at different positions of the sleeve 31 due to the uneven surface of the flat wire, the limiting rod 34 enters the limiting groove 321 at different positions of the moving rod 32, thereby fixing the limiting rod 34;

[0051] The second embodiment has the following advantages: it can avoid the movement of the moving rod 32 due to other factors such as vibration or collision during welding, thereby preventing the flat wire from being misaligned, making it impossible for the weld to be accurately formed at the desired position, which not only affects the appearance quality of the welding, but also requires rework or re-welding, which increases production time and affects the subsequent processes.

[0052] like Figure 7 and Fig.10 As shown, the inner part of the limiting rod 34 is slidably connected with an insertion rod 342, and a magnetic block 322 is provided on one side of the limiting groove 321. The magnetic block 322 is fixedly connected to the inner part of the moving rod 32, and a plurality of limiting holes 323 are provided on the outer wall of the magnetic block 322. The size of the insertion rod 342 matches the size of the insertion hole.

[0053] like Figure 8 As shown, the material of the insert rod 342 is a magnetic material, and the magnetism of the insert rod 342 and the magnet block 322 are attracted to each other.

[0054] like Figure 8As shown, a third spring 343 is fixedly connected between one end of the insertion rod 342 and the inner wall of the limiting rod 34, a push plate 344 is slidably connected to the surface of the insertion rod 342, and a fourth spring 345 is fixedly connected between one end of the push plate 344 and one end of the limiting rod 34.

[0055] Specifically, when the limiting rod 34 limits the moving rod 32, the limiting rod 34 may be located between the two limiting grooves 321, and thus the problem of being unable to limit the moving rod 32 may occur.

[0056] In order to solve the above problem, when the limit rod 34 is between the limit grooves 321, the convex plate 35 squeezes the limit rod 34, and the limit rod 34 drives the push plate 344 to contact the moving rod 32, and the limit rod 34 slides toward the inside of the sleeve 31, so that the push plate 344 squeezes the fourth spring 345 and slides on the surface of the insertion rod 342, and then the insertion rod 342 is magnetically adsorbed by the magnetic block 322, so that the insertion rod 342 stretches the third spring 343 and enters the limiting hole 323 on the outer wall of the magnetic block 322. At this time, the moving rod 32 can be limited by the insertion rod 342.

[0057] A welding process comprises the following steps:

[0058] Step 1: Select two flat wires to be welded and place them between two moving blocks 3;

[0059] Step 2: drive the two moving blocks 3 to slide towards each other, the moving blocks 3 drive the moving rods 32 to slide synchronously, the moving rods 32 contact the two sides of the flat wire, and push the flat wire to perform centering operation;

[0060] Step 3: After the two groups of flat wires are aligned, the two moving plates 2 are driven to approach each other so that one end of the two groups of flat wires rests on the support seat 14 and one end of the two groups of flat wires are in contact with each other;

[0061] Step 4: driving the welding head 13 to descend, and after the welding head 13 contacts the bonding ends of the two groups of flat wires, the flat wires are welded;

[0062] Step 5: After welding is completed, the moving block 3 is driven to reset and the welded flat wire is removed.

[0063] Working principle: two groups of flat wires are placed on the upper surface of the movable plate 2 and located between the two movable blocks 3, and then the second motor 21 is turned on. The second motor 21 drives the second bidirectional screw 22 to rotate, and the second bidirectional screw 22 drives the two movable blocks 3 to approach each other. The two movable blocks 3 drive the movable rod 32 to slide synchronously, and the movable rod 32 contacts the two sides of the flat wire and pushes the flat wire to perform centering operation. After the two flat wires are centered, the first motor 12 is turned on, and the first motor 12 drives the first bidirectional screw 11. The first bidirectional screw 11 rotates and drives the two movable plates 2 to slide. The movable plate 2 drives one end of the flat wire to move to the upper surface of the support seat 14. When one end of the two flat wires are close to each other, the welding head 13 is driven down by the hydraulic cylinder, and the welding head 13 descends and contacts the alignment of the two flat wires, so that the welding of the two flat wires is completed. After welding is completed, the flat wire can be removed and replaced.

[0064] When impurities are attached to both sides of the flat wire, causing the surfaces of both sides to be uneven, the moving rod 32 first contacts the uneven surface, and then the moving rod 32 continues to push the flat wire to perform a centering operation. During centering, the uneven surface of the flat wire squeezes the moving rod 32, so that the moving rod 32 slides on the inner wall of the sleeve 31 and squeezes the first spring 33. The moving rod 32 can automatically adjust according to the unevenness of both sides of the flat wire to achieve the centering operation of the flat wire.

[0065] When the moving block 3 moves to the final position, the electromagnet 41 is energized, and then the magnetic force generated by the electromagnet 41 pushes the magnetic plate 352 downward, and the magnetic plate 352 is forced to drive the convex plate 35 downward, and the convex plate 35 squeezes the limiting rod 34 to slide in the inner wall of the sleeve 31 and squeezes the second spring 341, and the limiting rod 34 enters the limiting groove 321 on the surface of the moving rod 32, and the moving rod 32 can be limited at this time;

[0066] When the moving rod 32 is located at different positions of the sleeve 31 due to the uneven surface of the flat wire, the limiting rod 34 enters the limiting groove 321 at different positions of the moving rod 32, thereby fixing the limiting rod 34;

[0067] When the limit rod 34 is between the limit grooves 321, the convex plate 35 squeezes the limit rod 34, and the limit rod 34 drives the push plate 344 to contact the moving rod 32, and the limit rod 34 slides toward the inside of the sleeve 31, so that the push plate 344 squeezes the fourth spring 345 and slides on the surface of the insertion rod 342, and then the insertion rod 342 is magnetically adsorbed by the magnetic block 322, so that the insertion rod 342 stretches the third spring 343 and enters the limit hole 323 on the outer wall of the magnetic block 322. At this time, the moving rod 32 can be limited by the insertion rod 342.

[0068] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A flat wire welding device with precise positioning, characterized in that: The invention comprises a workbench (1), wherein the upper surface of the workbench (1) is symmetrically slidably connected to a movable plate (2), the upper surfaces of the two movable plates (2) are symmetrically slidably connected to movable blocks (3), the interiors of the two movable blocks (3) are fixedly connected to a plurality of sleeves (31), the interiors of the sleeves (31) are fixedly connected to a first spring (33), one end of the first spring (33) is fixedly connected to a movable rod (32), the movable rod (32) is slidably connected to the inner wall of the sleeve (31), a hydraulic cylinder is arranged between the two movable plates (2), the telescopic end of the hydraulic cylinder is fixedly connected to a welding head (13), the fixed end of the hydraulic cylinder is fixedly connected to the upper surface of the workbench (1), a support seat (14) is arranged on the bottom side of the welding head (13), and one end of the support seat (14) is fixedly connected to the upper surface of the workbench (1); The surface of the moving rod (32) is provided with a plurality of limit grooves (321); the inner wall of the sleeve (31) is slidably connected to a limit rod (34); one end of the limit rod (34) matches the size of the limit groove (321); the inner upper surface of the moving block (3) is slidably connected to a plurality of convex plates (35); the two sides of the convex plates (35) are respectively fitted with one end of the limit rod (34); one end of the plurality of convex plates (35) is fixedly connected to a magnetic plate (352); the upper surface of the moving block (3) is symmetrically fixedly connected to a fixing frame (4); the lower surface of one end of the fixing frame (4) is fixedly connected to an electromagnet (41); the electromagnet (41) and the magnetic plate (352) repel each other when energized; A second spring (341) is fixedly connected between one end of the limiting rod (34) and the surface of the sleeve (31); a spring telescopic rod (351) is provided on one side of the convex plate (35); the fixed end of the spring telescopic rod (351) is fixedly connected to the inner lower surface of the moving block (3); the telescopic end of the spring telescopic rod (351) is fixedly connected to the lower surface of the convex plate (35); an insertion rod (342) is slidably connected to the inside of the limiting rod (34); a magnetic block (322) is provided on one side of the limiting groove (321); the magnetic block (322) is fixedly connected to the inside of the moving rod (32); a plurality of limiting holes (323) are provided on the outer wall of the magnetic block (322); the size of the insertion rod (342) matches the size of the insertion hole.

2. The flat wire welding device with precise positioning according to claim 1, characterized in that: The workbench (1) is internally rotatably connected to a first bidirectional screw rod (11), the surface of the first bidirectional screw rod (11) is threadedly connected to the inner lower surface of the movable plate (2), the inner lower surface of the movable plate (2) is slidably connected to a positioning rod, the two ends of the positioning rod are respectively fixedly connected to the inner wall of the workbench (1), one end of the workbench (1) is fixedly connected to a first motor (12), and the output end of the first motor (12) is fixedly connected to one end of the first bidirectional screw rod (11).

3. The flat wire welding device with precise positioning according to claim 2, characterized in that: A second bidirectional screw rod (22) is rotatably connected inside the movable plate (2), and both ends of the second bidirectional screw rod (22) are respectively threadedly connected to the inner lower surface of the movable block (3). A second motor (21) is fixedly connected to one side of the movable plate (2), and an output end of the second motor (21) is fixedly connected to one end of the second bidirectional screw rod (22).

4. The flat wire welding device with precise positioning according to claim 1, characterized in that: The material of the insertion rod (342) is a magnetic material, and the magnetism of the insertion rod (342) and the magnetism of the magnetic block (322) are attracted to each other.

5. The flat wire welding device with precise positioning according to claim 4, characterized in that: A third spring (343) is fixedly connected between one end of the insertion rod (342) and the inner wall of the limiting rod (34), a push plate (344) is slidably connected to the surface of the insertion rod (342), and a fourth spring (345) is fixedly connected between one end of the push plate (344) and one end of the limiting rod (34).

6. A welding process using the flat wire welding device with precise positioning according to any one of claims 1 to 5, characterized in that: The following steps are involved: Step 1: Select two flat wires to be welded and place them between two moving blocks (3); Step 2: driving the two moving blocks (3) to slide towards each other, the moving blocks (3) drive the moving rods (32) to slide synchronously, the moving rods (32) contact the two sides of the flat wire, and push the flat wire to perform a centering operation; Step three, after the two groups of flat wires are aligned, the two movable plates (2) are driven to move closer to each other, so that one end of the two groups of flat wires rests on the support seat (14), and one end of the two groups of flat wires are in contact with each other; Step 4: driving the welding head (13) to descend, and after the welding head (13) contacts the mating ends of the two sets of flat wires, the flat wires are welded; Step 5: After welding is completed, the driving moving block (3) is reset and the welded flat wire is removed.

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