Instrument positioning and welding device for instrument production

Abstract

The invention relates to the technical field of instrument production, and discloses an instrument positioning welding device for instrument production, which comprises a processing table, an instrument inner plate and an instrument outer frame, a welding moving mechanism is fixedly connected to the upper surface of the processing table, a moving transmission mechanism is slidably connected to the upper surface of the processing table, and a clamping limiting mechanism is fixedly connected to the upper surface of the processing table. A fixing mechanism is arranged in the processing table, a clamping limiting mechanism is used for clamping and fixing the fixing mechanism when the moving transmission mechanism moves and converts, so that the overturned instrument outer frame can be limited and fixed, and meanwhile, a third trapezoidal gear can be driven to rotate by rotating a second rotating rod; and then a third trapezoidal gear drives a fourth trapezoidal gear and a third rotating rod to rotate, so that a threaded rod in threaded connection with the interior of the third rotating rod upwards pushes a top block to move to adjust the inclination angle of the instrument inner plate, and the effect of adjusting the fixing device according to different welding angles of the instrument inner plate can be achieved.

Description

Technical Field

[0001] The invention relates to the technical field of instrument production, and specifically provides an instrument positioning welding device for instrument production. Background Art

[0002] Automobile instrument welding machine is one of the ultrasonic plastic welding machines. Ultrasonic plastic welding machine is the abbreviation of ultrasonic plastic welding machine. Ultrasonic welding is a high-tech technology for welding thermoplastic plastic products. Various thermoplastic rubber parts can be processed by ultrasonic welding without adding solvents, adhesives or other auxiliary products. Its advantages are to increase productivity by multiple times, reduce costs, improve product quality and safe production.

[0003] The patent with announcement number CN218341231U discloses a pressure instrument panel laser welding machine, including a machine counter, a workpiece fixture on the machine counter including a dividing turntable and a workpiece clamping and positioning plate, a plurality of workpiece fixture seats are circumferentially arranged on the outer edge of the turntable body of the dividing turntable, a workpiece is arranged on the workpiece fixture seat, the turntable body is connected to the indexer arranged on the machine counter, the indexer is connected to the indexing motor, the indexing motor drives the turntable body to rotate through the indexer, the turntable body drives the workpiece fixture seat to rotate to the processing position, one end of the positioning plate of the workpiece clamping and positioning plate is connected to the lifting power cylinder arranged on the machine counter, the other end of the positioning plate is arranged above the above processing position, the other end of the positioning plate clamps and positions the workpiece on the workpiece fixture seat, and the laser welding device above the above processing position processes the workpiece. The utility model adopts a laser welding machine solution in which a workpiece fixture and a laser welding device cooperate, and has the characteristics of high welding efficiency and high yield rate.

[0004] After improving the instrument positioning welding device for instrument production, this application adopts a laser welding machine solution that cooperates with a workpiece fixture and a laser welding device. It has the characteristics of high welding efficiency and high yield rate. However, the positioning device of the device can only weld one side of the instrument. After welding is completed, the instrument needs to be disassembled, turned over and fixed before welding the back side. Therefore, we proposed an instrument positioning welding device for instrument production. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose an instrument positioning welding device for instrument production, which solves the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an instrument positioning welding device for instrument production, comprising a processing table, an instrument inner plate, and an instrument outer frame, the upper surface of the processing table is fixedly connected with a welding moving mechanism, the upper surface of the processing table is slidably connected with a moving transmission mechanism, the upper surface of the processing table is fixedly connected with a clamping limit mechanism, and a fixing mechanism is arranged inside the processing table, the clamping limit mechanism is used to clamp and fix the fixing mechanism when the moving transmission mechanism moves and converts, so that the instrument outer frame can be limited and fixed after being flipped, the fixing mechanism is used to fix the instrument inner plate and the instrument outer frame, and can also achieve the function of adjusting the welding angle of the instrument inner plate.

[0007] Preferably, the fixing mechanism includes a hydraulic rod fixedly connected to the inside of the processing table, the upper surface of the hydraulic rod is fixedly connected to a lifting plate, the upper surface of the lifting plate is fixedly connected to a second fixed plate, the second fixed plate is internally rotatably connected to a second rotating rod and a third rotating rod, one end of the second rotating rod is fixedly connected to a third trapezoidal gear, one end of the third rotating rod is fixedly connected to a fourth trapezoidal gear, the internal thread of the third rotating rod is connected to a threaded rod, the upper end of the threaded rod is fixedly connected to a top block, the upper end of the second fixed plate is fixedly connected to the second fixed rod, and the upper end of the second fixed rod is rotatably connected to the rotating plate.

[0008] Preferably, the upper surface of the processing table is fixedly connected to a support frame, the interior of the support frame is rotatably connected to a flip frame, the internal thread of the flip frame is connected to a fixing knob, one end of the fixing knob is rotatably connected to a clamping plate, the interior of the flip frame is fixedly connected to a second telescopic rod, the outer surface of the second telescopic rod is sleeved with a clamping spring, one end of the second telescopic rod is fixedly connected to a clamping block, the upper end of the rotating plate is fixedly connected to a third telescopic rod, the outer surface of the third telescopic rod is sleeved with a third spring, and one end of the third telescopic rod is fixedly connected to a tongue.

[0009] Preferably, the clamping and limiting mechanism includes a first fixed plate and a fixed block fixedly connected to the upper surface of the processing table, the first fixed plate is internally slidably connected with a first sliding rod and a second sliding rod, one end of the first sliding rod is fixedly connected with a first toothed rod, and a first spring is sleeved on an outer surface of the first toothed rod, the upper surface of the processing table is rotatably connected with a first transmission gear and a second transmission gear, one end of the second sliding rod is fixedly connected with a second toothed rod, and the other end of the second sliding rod is fixedly connected with a connecting plate, one end of the connecting plate is fixedly connected with the first telescopic rod, the outer surface of the first telescopic rod is sleeved with a second spring, and the outer surface of the first transmission gear is transmission-connected with a transmission belt.

[0010] Preferably, the first transmission gear and the first gear rod are meshed with each other, the second gear rod and the second transmission gear are meshed with each other, one end of the connecting plate is rotatably connected to a push-pull rod, the upper surface of the processing table is fixedly connected to a first fixed rod, one side of the first fixed rod is rotatably connected to a rotating gear rod, the push-pull rod and the rotating gear rod are rotatably connected, and the first transmission gear and the second transmission gear are connected via a transmission belt.

[0011] Preferably, the welding moving mechanism includes a supporting gantry fixedly connected to the upper surface of the processing table, the supporting gantry is internally slidably connected to a first lifting rod, the supporting gantry is internally rotatably connected to a first rotating rod, the first lifting rod is internally slidably connected to a movable telescopic arm, the movable telescopic arm is internally rotatably connected to a rotating arm, the rotating arm is internally rotatably connected to a laser welding head, the outer surface of the first rotating rod is fixedly connected to a first gear and a first trapezoidal gear, the supporting gantry is internally rotatably connected to a rotating lifting rod, the outer surface of the rotating lifting rod is fixedly connected to a second trapezoidal gear, the first trapezoidal gear and the second trapezoidal gear are meshingly connected, and the rotating lifting rod is threadedly connected to the inside of the movable telescopic arm.

[0012] Preferably, the mobile transmission mechanism includes a mobile frame slidably connected to the upper surface of the processing table, the upper surface of the mobile frame is fixedly connected to a frame, the interior of the frame is fixedly connected to a transmission motor, the output shaft of the transmission motor is fixedly connected to a main transmission gear, gears are provided on both sides of the flip frame, the main transmission gear is meshed with the gears on both sides of the flip frame, and the main transmission gear is meshed with the first gear.

[0013] Preferably, a movable plate is slidably connected to the upper surface of the processing table, and a cooling fan is fixedly connected to the upper surface of the movable plate.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The present invention fixes the instrument inner plate and the instrument outer frame by means of a fixing mechanism, and then after the instrument inner plate and the instrument outer frame are placed on the top of the flip frame, the instrument outer frame is clamped and fixed by rotating the fixing knob, and the instrument outer frame is limited to the left and right by the clamping block, and then the lifting plate is pushed upward by the hydraulic rod, and the instrument inner plate is supported by the second fixed plate and the rotating plate, and at the same time, the third trapezoidal gear can be driven to rotate by rotating the second rotating rod, and then the third trapezoidal gear drives the fourth trapezoidal gear and the third rotating rod to rotate, so that the threaded rod threadedly connected to the inside of the third rotating rod pushes the top block upward to move to adjust the inclination angle of the instrument inner plate, so as to achieve the function of adjusting the fixing device according to the different angles that need to be welded on the instrument inner plate.

[0016] 2. The present invention provides a clamping limit mechanism to achieve the effect of fixing and limiting the flip frame by causing the rotating gear rod to mesh with the gear provided on the side surface of the flip frame when the main transmission gear is disengaged from the gear on the side surface of the flip frame, thereby achieving the effect of fixing and limiting the flip frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view of an instrument positioning welding device for instrument production proposed by the present invention;

[0018] Figure 2 A schematic diagram of the flip structure of an instrument positioning welding device for instrument production proposed by the present invention;

[0019] Figure 3 A side cross-sectional view of an instrument positioning welding device for instrument production proposed by the present invention;

[0020] Figure 4 For the present invention Figure 3 A magnified image of point A;

[0021] Figure 5 A schematic diagram of the clamping structure of an instrument positioning welding device for instrument production proposed by the present invention;

[0022] Figure 6 For the present invention Figure 5 A magnified view of point B;

[0023] Figure 7 A cross-sectional view of a lifting structure of an instrument positioning welding device for instrument production proposed by the present invention;

[0024] Figure 8 For the present invention Figure 7 Enlarged view of point C.

[0025] Legend:

[0026] 1. Processing table; 2. Welding moving mechanism; 201. Support gantry; 202. First lifting rod; 203. First rotating rod; 204. Mobile telescopic arm; 205. Rotating arm; 206. Laser welding head; 207. First gear; 208. First trapezoidal gear; 209. Rotating lifting rod; 210. Second trapezoidal gear; 3. Mobile transmission mechanism; 301. Mobile frame; 302. Frame; 303. Transmission motor; 304. Main transmission gear; 305. Support frame; 306. Turning frame; 4. Clamping limit mechanism; 401. First fixed plate; 402. First sliding rod; 403. First spring; 404. First gear rod; 405. First transmission gear; 406. Second sliding rod; 407. Connecting plate; 408. First telescopic rod; 409. Second spring ; 410, second gear rod; 411, second transmission gear; 412, transmission belt; 413, fixed block; 414, push-pull rod; 415, first fixed rod; 416, rotating gear rod; 5, fixing mechanism; 501, fixing knob; 502, clamping plate; 503, second telescopic rod; 504, clamping spring; 505, clamping block; 506, hydraulic rod; 507, lifting plate; 508, second fixed plate; 509, second rotating rod; 510, third trapezoidal gear; 511, third rotating rod; 512, fourth trapezoidal gear; 513, threaded rod; 514, top block; 515, second fixed rod; 516, rotating plate; 517, third telescopic rod; 518, third spring; 519, tongue; 6, instrument inner plate; 7, instrument outer frame; 8, moving plate; 9, cooling fan. DETAILED DESCRIPTION

[0027] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0028] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0029] like Figure 1-Figure 8 The instrument positioning welding device for instrument production shown in the figure comprises a processing table 1, an instrument inner plate 6, and an instrument outer frame 7. The upper surface of the processing table 1 is fixedly connected with a welding moving mechanism 2, the upper surface of the processing table 1 is slidably connected with a moving transmission mechanism 3, the upper surface of the processing table 1 is fixedly connected with a clamping limit mechanism 4, and the interior of the processing table 1 is provided with a fixing mechanism 5. The clamping limit mechanism 4 is used to clamp and fix the fixing mechanism 5 when the moving transmission mechanism 3 moves and converts, so that the instrument outer frame 7 after flipping can be limited and fixed. The fixing mechanism 5 is used to fix the instrument inner plate 6 and the instrument outer frame 7, and can also achieve the function of adjusting the welding angle of the instrument inner plate 6;

[0030] The fixing mechanism 5 includes a hydraulic rod 506 fixedly connected to the inside of the processing table 1, the upper surface of the hydraulic rod 506 is fixedly connected to a lifting plate 507, the upper surface of the lifting plate 507 is fixedly connected to a second fixed plate 508, the second fixed plate 508 is internally rotatably connected to a second rotating rod 509 and a third rotating rod 511, one end of the second rotating rod 509 is fixedly connected to a third trapezoidal gear 510, one end of the third rotating rod 511 is fixedly connected to a fourth trapezoidal gear 512, the inner thread of the third rotating rod 511 is connected to a threaded rod 513, the upper end of the threaded rod 513 is fixedly connected to a top block 514, the upper end of the second fixed plate 508 is fixedly connected to a second fixed rod 515, the upper end of the second fixed rod 515 The end is rotatably connected to a rotating plate 516, the upper surface of the processing table 1 is fixedly connected to a supporting frame 305, the inside of the supporting frame 305 is rotatably connected to a turning frame 306, the internal thread of the turning frame 306 is connected to a fixing knob 501, one end of the fixing knob 501 is rotatably connected to a clamping plate 502, the inside of the turning frame 306 is fixedly connected to a second telescopic rod 503, the outer surface of the second telescopic rod 503 is sleeved with a clamping spring 504, one end of the second telescopic rod 503 is fixedly connected to a clamping block 505, the upper end of the rotating plate 516 is fixedly connected to a third telescopic rod 517, the outer surface of the third telescopic rod 517 is sleeved with a third spring 518, and one end of the third telescopic rod 517 is fixedly connected to a latch tongue 519.

[0031] Furthermore, the instrument inner panel 6 and the instrument outer frame 7 are fixed by the set fixing mechanism 5, and then the instrument inner panel 6 and the instrument outer frame 7 are placed on the top of the flip frame 306, and the instrument outer frame 7 is clamped and fixed by rotating the fixing knob 501, and the instrument outer frame 7 is limited to the left and right by the set clamping block 505, and then the lifting plate 507 is pushed to move upward by the hydraulic rod 506, and the instrument inner panel 6 is supported by the set second fixing plate 508 and the rotating plate 516, and at the same time, the third trapezoidal gear 510 can be driven to rotate by rotating the second rotating rod 509, and then the third trapezoidal gear 510 drives the fourth trapezoidal gear 512 and the third rotating rod 511 to rotate, so that the threaded rod 513 threadedly connected to the inside of the third rotating rod 511 pushes the top block 514 upward to move to adjust the inclination angle of the instrument inner panel 6, so that the fixing device can be adjusted according to the different angles that need to be welded on the instrument inner panel 6.

[0032] The clamping limit mechanism 4 includes a first fixed plate 401 and a fixed block 413 fixedly connected to the upper surface of the processing table 1, the first fixed plate 401 is internally slidably connected to the first sliding rod 402 and the second sliding rod 406, one end of the first sliding rod 402 is fixedly connected to the first gear rod 404, the outer surface of the first gear rod 404 is sleeved with a first spring 403, the upper surface of the processing table 1 is rotatably connected to the first transmission gear 405 and the second transmission gear 411, one end of the second sliding rod 406 is fixedly connected to the second gear rod 410, the other end of the second sliding rod 406 is fixedly connected to the connecting plate 407, one end of the connecting plate 407 is fixedly connected to the first extension gear 406, and the second gear rod 410 is fixedly connected to the second gear rod 410. The outer surface of the first telescopic rod 408 is sleeved with a second spring 409, the outer surface of the first transmission gear 405 is transmission-connected with a transmission belt 412, the first transmission gear 405 and the first gear rod 404 are meshed together, the second gear rod 410 and the second transmission gear 411 are meshed together, one end of the connecting plate 407 is rotatably connected with a push-pull rod 414, the upper surface of the processing table 1 is fixedly connected with a first fixed rod 415, one side of the first fixed rod 415 is rotatably connected with a rotating gear rod 416, the push-pull rod 414 and the rotating gear rod 416 are rotatably connected, and the first transmission gear 405 and the second transmission gear 411 are transmission-connected through a transmission belt 412.

[0033] Furthermore, by providing the clamping limit mechanism 4, when the main transmission gear 304 is disengaged from the gear on the side surface of the flip frame 306, the rotating gear rod 416 is engaged with the gear provided on the side surface of the flip frame 306, thereby achieving the function of fixing and limiting the flip frame 306.

[0034] The welding mobile mechanism 2 includes a supporting gantry 201 fixedly connected to the upper surface of the processing table 1, the supporting gantry 201 is internally slidably connected to the first lifting rod 202, the supporting gantry 201 is internally rotatably connected to the first rotating rod 203, the first lifting rod 202 is internally slidably connected to the movable telescopic arm 204, the movable telescopic arm 204 is internally rotatably connected to the rotating arm 205, the rotating arm 205 is internally rotatably connected to the laser welding head 206, the outer surface of the first rotating rod 203 is fixedly connected to the first gear 207 and the first trapezoidal gear 208, the internal rotation of the supporting gantry 201 is connected to the rotating lifting rod 209, the outer surface of the rotating lifting rod 209 is fixedly connected to the second trapezoidal gear 210, the first trapezoidal gear 208 and the second trapezoidal gear 210 are meshingly connected, and the rotating lifting rod 209 is threadedly connected to the inside of the movable telescopic arm 204.

[0035] Furthermore, the welding moving mechanism 2 can be provided to facilitate the movement and adjustment of the position and direction of the laser welding head 206 during the welding process.

[0036] The mobile transmission mechanism 3 includes a mobile frame 301 slidably connected to the upper surface of the processing table 1, the upper surface of the mobile frame 301 is fixedly connected to a frame 302, the interior of the frame 302 is fixedly connected to a transmission motor 303, the output shaft of the transmission motor 303 is fixedly connected to a main transmission gear 304, gears are arranged on both sides of the flip frame 306, the main transmission gear 304 and the gears on both sides of the flip frame 306 are meshed, the main transmission gear 304 and the first gear 207 are meshed, a mobile plate 8 is slidably connected to the upper surface of the processing table 1, and a cooling fan 9 is fixedly connected to the upper surface of the mobile plate 8.

[0037] Furthermore, the power can be replaced by the mobile transmission mechanism 3, and the clamping limit mechanism 4 can prevent the fixing mechanism 5 from rotating when the meshing between the gears is replaced. The cooling fan 9 can cool the inner panel 6 and the outer panel 7 during welding, and when the hydraulic rod 506 and the lifting plate 507 are retracted into the processing table 1, the movable plate 8 will move backward synchronously.

[0038] Working principle:

[0039] When using the device, the instrument inner plate 6 and the instrument outer frame 7 are fixed by the set fixing mechanism 5, and then the instrument inner plate 6 and the instrument outer frame 7 are placed on the top of the flip frame 306, and the instrument outer frame 7 is clamped and fixed by rotating the fixing knob 501, and the instrument outer frame 7 is limited to the left and right by the set clamping block 505, and then the lifting plate 507 is pushed upward by the hydraulic rod 506, and the instrument inner plate 6 is supported by the set second fixing plate 508 and the rotating plate 516, and at the same time, the third trapezoidal gear 510 can be driven to rotate by rotating the second rotating rod 509, and then the third trapezoidal gear 510 drives the fourth trapezoidal gear 512 and the third rotating rod 511 to rotate, so that the threaded rod 513 threadedly connected to the inside of the third rotating rod 511 pushes the top block 514 upward to move to adjust the inclination angle of the instrument inner plate 6, so that the function of adjusting the fixing device according to the different angles that the instrument inner plate 6 needs to be welded can be achieved; after the fixation is completed, the set The welding moving mechanism 2 is used to weld the inside of the instrument inner plate 6 and the instrument outer frame 7; after the welding of the inside of the instrument inner plate 6 and the instrument outer frame 7 is completed, the lifting plate 507 is retracted into the processing table 1 through the hydraulic rod 506, and the tongue 519 is pressed inward when the lifting plate 507 moves downward to make the tongue 519 disengage from the limit fixation on the instrument inner plate 6, and then the mobile transmission mechanism 3 moves to the right, and at the same time, the first spring 403 pushes the first sliding rod 402 and the first gear rod 404 to move to the right, and then pushes the first transmission gear 405 to rotate, and the transmission belt 412 and the second transmission gear 411 are driven to rotate through the first transmission gear 405, so that the second gear rod 410 rotates to push the bottom end of the connecting plate 407 and the rotating gear rod 416 to move to the right, so that the set rotating gear rod 416 is engaged with the gear set on the side surface of the flip frame 306, so as to achieve the effect of fixing the limit flip frame 306, thereby preventing the fixing mechanism 5 from rotating after the mobile transmission mechanism 3 moves.

[0040] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. An instrument positioning welding device for instrument production, comprising a processing table (1), an instrument inner plate (6), and an instrument outer frame (7), characterized in that: The upper surface of the processing table (1) is fixedly connected to a welding moving mechanism (2), the upper surface of the processing table (1) is slidably connected to a moving transmission mechanism (3), the upper surface of the processing table (1) is fixedly connected to a clamping limiting mechanism (4), and a fixing mechanism (5) is arranged inside the processing table (1); The clamping and limiting mechanism (4) is used to clamp and fix the fixing mechanism (5) when the moving transmission mechanism (3) is moving and converting, so that the instrument outer frame (7) can be limited and fixed after being turned over; The fixing mechanism (5) is used to fix the instrument inner panel (6) and the instrument outer frame (7), and can also adjust the welding angle of the instrument inner panel (6).

2. The instrument positioning welding device for instrument production according to claim 1 is characterized in that: The fixing mechanism (5) comprises a hydraulic rod (506) fixedly connected to the inside of the processing table (1); the upper surface of the hydraulic rod (506) is fixedly connected to a lifting plate (507); the upper surface of the lifting plate (507) is fixedly connected to a second fixed plate (508); the second fixed plate (508) is internally rotatably connected to a second rotating rod (509) and a third rotating rod (511); one end of the second rotating rod (509) is fixedly connected to a third trapezoidal gear (510); one end of the third rotating rod (511) is fixedly connected to a fourth trapezoidal gear (512); the inner part of the third rotating rod (511) is threadedly connected to a threaded rod (513); the upper end of the threaded rod (513) is fixedly connected to a top block (514); the upper end of the second fixed plate (508) is fixedly connected to a second fixed rod (515); the upper end of the second fixed rod (515) is rotatably connected to a rotating plate (516).

3. The instrument positioning welding device for instrument production according to claim 2 is characterized in that: The upper surface of the processing table (1) is fixedly connected to a support frame (305), the interior of the support frame (305) is rotatably connected to a flip frame (306), the interior of the flip frame (306) is threadedly connected to a fixed knob (501), one end of the fixed knob (501) is rotatably connected to a clamping plate (502), the interior of the flip frame (306) is fixedly connected to a second telescopic rod (503), the outer surface of the second telescopic rod (503) is sleeved with a clamping spring (504), one end of the second telescopic rod (503) is fixedly connected to a clamping block (505), the upper end of the rotating plate (516) is fixedly connected to a third telescopic rod (517), the outer surface of the third telescopic rod (517) is sleeved with a third spring (518), and one end of the third telescopic rod (517) is fixedly connected to a latch tongue (519).

4. The instrument positioning welding device for instrument production according to claim 1 is characterized in that: The clamping and limiting mechanism (4) comprises a first fixed plate (401) and a fixed block (413) fixedly connected to the upper surface of the processing table (1); the first fixed plate (401) is internally slidably connected with a first sliding rod (402) and a second sliding rod (406); one end of the first sliding rod (402) is fixedly connected with a first toothed rod (404); the outer surface of the first toothed rod (404) is sleeved with a first spring (403); the upper surface of the processing table (1) is rotatably connected with a first transmission gear (405) and a second transmission gear (411); one end of the second sliding rod (406) is fixedly connected with a second toothed rod (410); the other end of the second sliding rod (406) is fixedly connected with a connecting plate (407); one end of the connecting plate (407) is fixedly connected with a first telescopic rod (408); the outer surface of the first telescopic rod (408) is sleeved with a second spring (409); and the outer surface of the first transmission gear (405) is transmission-connected with a transmission belt (412).

5. The instrument positioning welding device for instrument production according to claim 4 is characterized in that: The first transmission gear (405) and the first gear rod (404) are meshed and matched, the second gear rod (410) and the second transmission gear (411) are meshed and matched, one end of the connecting plate (407) is rotatably connected to a push-pull rod (414), the upper surface of the processing table (1) is fixedly connected to a first fixed rod (415), one side of the first fixed rod (415) is rotatably connected to a rotating gear rod (416), the push-pull rod (414) and the rotating gear rod (416) are rotatably connected, and the first transmission gear (405) and the second transmission gear (411) are connected by a transmission belt (412).

6. The instrument positioning welding device for instrument production according to claim 3 is characterized in that: The welding mobile mechanism (2) comprises a supporting gantry (201) fixedly connected to the upper surface of the processing table (1); the supporting gantry (201) is internally slidably connected to a first lifting rod (202); the supporting gantry (201) is internally rotatably connected to a first rotating rod (203); the first lifting rod (202) is internally slidably connected to a movable telescopic arm (204); the movable telescopic arm (204) is internally rotatably connected to a rotating arm (205); the rotating arm (205) is internally rotatably connected to a A laser welding head (206), the outer surface of the first rotating rod (203) is fixedly connected with a first gear (207) and a first trapezoidal gear (208), the inner part of the supporting gantry (201) is rotatably connected with a rotating lifting rod (209), the outer surface of the rotating lifting rod (209) is fixedly connected with a second trapezoidal gear (210), the first trapezoidal gear (208) and the second trapezoidal gear (210) are meshedly connected, and the rotating lifting rod (209) is threadedly connected to the inside of the movable telescopic arm (204).

7. The instrument positioning welding device for instrument production according to claim 6 is characterized in that: The mobile transmission mechanism (3) comprises a mobile frame (301) slidably connected to the upper surface of the processing table (1); the upper surface of the mobile frame (301) is fixedly connected to a frame (302); the interior of the frame (302) is fixedly connected to a transmission motor (303); the output shaft of the transmission motor (303) is fixedly connected to a main transmission gear (304); gears are arranged on both sides of the flip frame (306); the main transmission gear (304) and the gears on both sides of the flip frame (306) are meshed and matched; the main transmission gear (304) and the first gear (207) are meshed and matched.

8. The instrument positioning welding device for instrument production according to claim 1 is characterized in that: The upper surface of the processing table (1) is slidably connected to a movable plate (8), and the upper surface of the movable plate (8) is fixedly connected to a heat dissipation fan (9).

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