Metal pipe welding device

Abstract

A metal pipe welding device belongs to the technical field of metal pipe processing, comprising a combined device, the combined device comprising a base frame and a welding frame, the combined device is used to weld and grind the pipes after alignment, clamping devices are arranged on both sides of the combined device, the clamping devices comprise a clamping frame I and a clamping frame II, the clamping devices are used to clamp and rotate the pipes during conveying, conveying devices are arranged on both sides of the clamping device, the conveying device comprises a plurality of auxiliary frames, the auxiliary frames are fixedly mounted on the base frame, and the conveying device is used to continuously convey the pipes forward.

Description

Technical Field

[0001] The invention relates to the technical field of metal pipe processing, and in particular to a metal pipe welding device. Background Art

[0002] Welding is a manufacturing process and technology that uses heating, high temperature or high pressure to join metals or other thermoplastic materials such as plastics. When welding metal pipes, the two pipes need to be precisely butted together before welding. In the prior art, when welding metal pipes, manual assistance is usually required, which not only consumes a lot of labor and has a low degree of automation, but also increases the difficulty of welding metal pipes and may also reduce the welding quality. Summary of the invention

[0003] In view of the above technical problems, the technical solution adopted by the present invention is: a metal pipe welding device, including a combination device, the combination device includes a base frame and a welding frame, the combination device is used to weld and grind the pipes after alignment, clamping devices are arranged on both sides of the combination device, the clamping devices include clamping frame I and clamping frame II, the clamping devices are used to clamp and rotate the pipes during the conveying process, conveying devices are arranged on both sides of the clamping device, the conveying device includes a plurality of auxiliary frames, the auxiliary frames are fixedly mounted on the base frame, and the conveying device is used to continuously convey the pipes forward.

[0004] Furthermore, the combined device includes a welding mechanism and a grinding mechanism, the welding mechanism includes a fourth motor fixedly mounted on a welding frame, a connecting pulley I is rotatably mounted on the movable end of the fourth motor, a shaft is rotatably mounted on the side of the welding frame, a connecting pulley II and a transmission pulley I are rotatably mounted on the shaft, a grinding gear is rotatably mounted on the front end of the shaft, a connecting belt is wrapped around the outside of the connecting pulley II and the connecting pulley I, a transmission pulley II is rotatably mounted on the top of the welding frame, a transmission belt is wrapped around the outside of the transmission pulley II and the transmission pulley I, a welding gun shaft is rotatably mounted on the welding frame, a welding gear is rotatably mounted on one end of the welding gun shaft, a welding gun is arranged in the middle of the welding gun shaft, an inner missing gear is rotatably mounted at the rear of the fifth motor, and the inner missing gear is meshed with the welding gear.

[0005] Furthermore, the grinding mechanism includes a grinding frame fixedly installed inside the welding frame, a grinding slide groove is provided on the side of the grinding frame, a transverse rack is slidably installed inside the grinding slide groove, the transverse rack is fixedly installed on the side of the grinding frame, the transverse rack is meshed with a grinding gear, a fifth motor is fixedly installed inside the grinding frame, a driving gear is rotatably installed on the movable end of the fifth motor, a grinding shaft is rotatably installed on the grinding frame, a driven gear is rotatably installed on the grinding shaft, a grinding wheel is rotatably installed on the front end of the grinding shaft, and the driven gear is meshed with the driving gear.

[0006] Furthermore, the clamping device includes a third motor fixedly installed on the top of the clamping frame II, and the movable end of the third motor is rotatably installed with a rotating shaft, on which a synchronous pulley I and a synchronous pulley II are rotatably installed, and a transmission shaft I is provided on one side of the clamping frame II, and a right conveying pulley is rotatably installed on the transmission shaft I, and the right conveying belt is wound around the outside of the synchronous pulley I and the right conveying pulley, and a rotating gear I is rotatably installed on the front end of the transmission shaft I, and a transmission shaft II is rotatably installed on the other side of the clamping frame II, and a left conveying pulley is rotatably installed on the transmission shaft II, and the left conveying belt is wound around the outside of the left conveying pulley and the synchronous pulley II, and a rotating gear II is rotatably installed on the front end of the transmission shaft II, and a large gear is rotatably installed inside the clamping frame II, and the large gear is meshed with the rotating gear II and the rotating gear I.

[0007] Furthermore, a plurality of clamping auxiliary frames are fixedly installed inside the large gear, a plurality of compression rods are arranged at the front end of the clamping auxiliary frames, and a clamping arc is fixedly installed on the compression rod.

[0008] Furthermore, a sliding frame is provided on the side of the clamping frame II, a rotating shaft is rotatably mounted on the sliding frame, a second motor is provided at the driving end of the rotating shaft, a pinion is rotatably mounted on the other end of the rotating shaft, an upper rack and a lower rack are slidably mounted on the sliding frame, the upper rack is fixedly mounted on the side of the clamping frame I, the lower rack is fixedly mounted on the side of the clamping frame II, and the pinion is meshed with the upper rack and the lower rack.

[0009] Furthermore, an infrared device is fixedly mounted on the base frame.

[0010] Furthermore, the conveying device includes an auxiliary bracket fixedly mounted on the inner wall of the auxiliary bracket, a plurality of auxiliary rods are arranged on the auxiliary bracket, springs are wound around the outside of the auxiliary rods, auxiliary wheels are arranged at the front end of the auxiliary rods, a conveying frame is arranged below the auxiliary frame, the conveying frame is fixedly mounted on the base frame, a motor fixing frame is fixedly mounted on the conveying frame, a first motor is fixedly mounted on the motor fixing frame, a motor shaft is rotatably mounted on the movable end of the first motor, a conveying pulley I is rotatably mounted on the motor shaft, a plurality of conveying pulleys are rotatably mounted on the side of the conveying frame, a conveying pulley II is rotatably mounted on the front end of one of the conveying pulleys, a conveyor belt is wound around the outside of the conveying pulley II and the conveying pulley I, a conveyor belt is wound around the outside of the plurality of conveying pulleys, and a conveyor wheel is rotatably mounted on one end of the conveying pulley.

[0011] Compared with the prior art, the present invention has the following advantages: (1) the present invention prevents the pipe from being displaced during its advancement by means of auxiliary wheels provided on the conveying device; (2) the present invention arranges the pipe to be conveyed after being clamped by the clamping device, so that the center points of the two pipes can be aligned and contacted, which is convenient for welding, and the pipes can be driven to rotate synchronously by rotating the gears, so that the pipes can be rotated to complete the welding; (3) the present invention arranges the combined device to weld the pipes first, and then rotates the welding gun to drive the grinding mechanism to grind and polish the welding parts, so that the welding parts of the pipes are finer. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0013] Figure 2 It is a schematic diagram of the structure of the conveying device of the present invention.

[0014] Figure 3 The structure of the clamping device of the present invention is shown in FIG. Figure 1 .

[0015] Figure 4 The structure of the clamping device of the present invention is shown in FIG. Figure 2 .

[0016] Figure 5 The structure of the clamping device of the present invention is shown in FIG. Figure 3 .

[0017] Figure 6 It is a schematic diagram of the welding mechanism structure of the present invention.

[0018] Figure 7 It is a schematic diagram of the grinding mechanism structure of the present invention.

[0019] Figure 8 It is a schematic diagram of the structure of the combined device of the present invention.

[0020] Figure numerals: 1-base frame; 201-auxiliary frame; 202-conveying frame; 203-motor fixing frame; 204-first motor; 205-motor shaft; 206-conveying pulley Ⅰ; 207-conveying belt; 208-conveying pulley Ⅱ; 209-conveying belt; 210-conveying pulley; 211-conveying wheel; 212-auxiliary bracket; 213-auxiliary rod; 214-spring; 215-auxiliary wheel; 301-second motor; 302-rotating shaft; 303-pinion gear; 304-sliding frame; 305-slide; 306-upper rack; 307-lower rack; 308-clamping frame Ⅰ; 309-clamping frame Ⅱ; 401-third motor; 402-rotating shaft; 403-transmission shaft Ⅰ; 404-transmission shaft Ⅱ; 405-synchronous pulley Ⅰ; 406-synchronous pulley Ⅱ; 407-right Conveyor belt; 408-left conveyor pulley; 409-left conveyor belt; 410-rotating gear II; 411-rotating gear I; 412-large gear; 413-clamping auxiliary frame; 414-clamping arc; 415-compression rod; 501-welding frame; 502-fourth motor; 503-connecting pulley I; 504-infrared device; 505-connecting belt; 506-connecting pulley II; 507-transmission pulley I; 508-transmission pulley II; 509-transmission belt; 510-inner missing gear; 511-welding gun; 512-welding gun shaft; 513-welding gear; 514-grinding gear; 515-transverse rack; 516-grinding slide; 517-grinding frame; 518-fifth motor; 519-driving gear; 520-grinding shaft; 521-driven gear; 522-grinding wheel. DETAILED DESCRIPTION

[0021] like Figure 1-Figure 8 As shown, a metal pipe welding device comprises a combination device, wherein the combination device comprises a base frame 1 and a welding frame 501, wherein the combination device is used for welding and grinding the pipes after alignment, and clamping devices are arranged on both sides of the combination device, wherein the clamping devices comprise a clamping frame I 308 and a clamping frame II 309, wherein the clamping devices are used for clamping and rotating the pipes during conveying, and conveying devices are arranged on both sides of the clamping devices, wherein the conveying devices comprise a plurality of auxiliary frames 201, wherein the auxiliary frames 201 are fixedly mounted on the base frame 1, and wherein the conveying device is used for continuously conveying the pipes forward.

[0022] like Figure 6-Figure 8As shown, the combined device includes a welding mechanism and a grinding mechanism, the welding mechanism includes a fourth motor 502 fixedly mounted on a welding frame 501, a connecting pulley Ⅰ503 is rotatably mounted on the movable end of the fourth motor 502, a shaft is rotatably mounted on the side of the welding frame 501, a connecting pulley Ⅱ506 and a transmission pulley Ⅰ507 are rotatably mounted on the shaft, a grinding gear 514 is rotatably mounted on the front end of the shaft, and a connecting belt 514 is wound around the connecting pulley Ⅱ506 and the connecting pulley Ⅰ503. 05. A transmission pulley II 508 is rotatably installed on the top of the welding frame 501, and a transmission belt 509 is wound around the outside of the transmission pulley II 508 and the transmission pulley I 507. A welding gun shaft 512 is rotatably installed on the welding frame 501, and a welding gear 513 is rotatably installed on one end of the welding gun shaft 512. A welding gun 511 is arranged in the middle of the welding gun shaft 512. An inner missing gear 510 is rotatably installed at the rear of the fifth motor 518, and the inner missing gear 510 is meshed with the welding gear 513.

[0023] like Figure 7 As shown, the grinding mechanism includes a grinding frame 517 fixedly installed inside the welding frame 501, a grinding slide groove 516 is provided on the side of the grinding frame 517, a transverse rack 515 is slidably installed inside the grinding slide groove 516, the transverse rack 515 is fixedly installed on the side of the grinding frame 517, the transverse rack 515 is meshed with the grinding gear 514, a fifth motor 518 is fixedly installed inside the grinding frame 517, a driving gear 519 is rotatably installed on the movable end of the fifth motor 518, a grinding shaft 520 is rotatably installed on the grinding frame 517, a driven gear 521 is rotatably installed on the grinding shaft 520, a grinding wheel 522 is rotatably installed on the front end of the grinding shaft 520, and the driven gear 521 is meshed with the driving gear 519.

[0024] After the pipes are aligned and in contact, the welding gun 511 starts to work and welds the pipes. After welding is completed, the fourth motor 502 is started, and the fourth motor 502 drives the connecting pulley Ⅰ503 to rotate. The connecting pulley Ⅰ503 drives the connecting pulley Ⅱ506 to rotate through the connecting belt 505, thereby driving the transmission pulley Ⅰ507 to rotate. The transmission pulley Ⅰ507 drives the transmission pulley Ⅱ508 to rotate through the transmission belt 509, thereby realizing the rotation of the inner missing gear 510, and the inner missing gear 510 drives the welding gear 513 to rotate. The welding gear 513 rotates. The rotation of the connecting pulley II 506 drives the grinding gear 514 to rotate at the same time. The rotation of the grinding gear 514 drives the transverse rack 515 to slide forward, thereby driving the grinding frame 517 to slide forward as a whole. The fifth motor 518 is started while sliding, and the fifth motor 518 drives the driving gear 519 to rotate. The driving gear 519 drives the driven gear 521 to rotate, thereby rotating the grinding wheel 522, thereby polishing the welding position and making the surface of the pipe fitting smoother.

[0025] like Figure 3-Figure 5 As shown, the clamping device includes a third motor 401 fixedly mounted on the top of the clamping frame II 309, a rotating shaft 402 is rotatably mounted on the movable end of the third motor 401, a synchronous pulley I 405 and a synchronous pulley II 406 are rotatably mounted on the rotating shaft 402, a transmission shaft I 403 is provided on one side of the clamping frame II 309, a right conveyor pulley is rotatably mounted on the transmission shaft I 403, a right conveyor belt 407 is wound around the outside of the synchronous pulley I 405 and the right conveyor pulley, and the front end of the transmission shaft I 403 A rotating gear I411 is rotatably installed, and a transmission shaft II404 is rotatably installed on the other side of the clamping frame II309. A left conveying pulley 408 is rotatably installed on the transmission shaft II404. The left conveying pulley 408 and the synchronous pulley II406 are wrapped with a left conveyor belt 409. A rotating gear II410 is rotatably installed on the front end of the transmission shaft II404. A large gear 412 is rotatably installed inside the clamping frame II309, and the large gear 412 is meshed with the rotating gear II410 and the rotating gear I411.

[0026] like Figure 3 As shown, a plurality of clamping auxiliary frames 413 are fixedly installed inside the large gear 412 , a plurality of compression rods 415 are arranged at the front end of the clamping auxiliary frames 413 , and a clamping arc 414 is fixedly installed on the compression rods 415 .

[0027] like Figure 3 , Figure 4 As shown, a sliding frame 304 is arranged on the side of the clamping frame II 309, a rotating shaft 302 is rotatably mounted on the sliding frame 304, a second motor 301 is arranged on the driving end of the rotating shaft 302, a pinion 303 is rotatably mounted on the other end of the rotating shaft 302, an upper rack 306 and a lower rack 307 are slidably mounted on the sliding frame 304, the upper rack 306 is fixedly mounted on the side of the clamping frame I 308, the lower rack 307 is fixedly mounted on the side of the clamping frame II 309, the pinion 303 is meshed with the upper rack 306 and the lower rack 307, and an infrared device 504 is fixedly mounted on the base frame 1.

[0028] When the pipe enters the clamping device, the pipe is adjusted to an appropriate size through the clamping arc 414, and the second motor 301 is started. The second motor 301 drives the rotating shaft 302 to rotate, and the rotating shaft 302 drives the small gear 303 to rotate. The rotation of the small gear 303 drives the upper rack 306 and the lower rack 307 to slide, thereby driving the clamping frame I 308 and the clamping frame II 309 to slide relative to each other. When the pipe reaches the infrared device 504 and is prompted, the two pipe surfaces contact each other, and then the third motor 401 is started. The third motor 401 drives the rotating shaft 402 to rotate, thereby driving the rotating gear II 410 and the rotating gear I 411 to rotate. The rotating gear II 410 and the rotating gear I 411 rotate and drive the large gear 412 to rotate, thereby realizing the simultaneous rotation of the pipe, which is convenient for subsequent welding.

[0029] like Figure 1 , Figure 2 As shown, the conveying device includes an auxiliary bracket 212 fixedly mounted on the inner wall of the auxiliary bracket 201, a plurality of auxiliary rods 213 are arranged on the auxiliary bracket 212, a spring 214 is wound around the outside of the auxiliary rod 213, and an auxiliary wheel 215 is arranged at the front end of the auxiliary rod 213. A conveying frame 202 is arranged below the auxiliary frame 201, and the conveying frame 202 is fixedly mounted on the bottom frame 1. A motor fixing frame 203 is fixedly mounted on the conveying frame 202, and a first motor 204 is fixedly mounted on the motor fixing frame 203. The first motor A motor shaft 205 is rotatably mounted on the movable end of the machine 204, and a conveyor pulley I 206 is rotatably mounted on the motor shaft 205. A plurality of conveyor pulleys 210 are rotatably mounted on the side of the conveyor frame 202, and a conveyor pulley II 208 is rotatably mounted on the front end of one of the conveyor pulleys 210, and a conveyor belt 207 is wound around the outside of the conveyor pulley II 208 and the conveyor pulley I 206. A conveyor belt 209 is wound around the outside of the plurality of conveyor pulleys 210, and a conveyor wheel 211 is rotatably mounted on one end of the conveyor pulley 210.

[0030] The pipe is placed on the conveying device, and the first motor 204 drives the motor shaft 205, thereby driving the conveyor belt 207 to rotate, the conveyor belt 207 drives the conveyor belt 209 to rotate, and the conveyor belt 209 drives multiple conveyor belt wheels 210 to rotate, so as to convey the pipe forward in a straight line.

[0031] The working principle of a metal pipe welding device disclosed in the present invention is as follows: firstly, the pipe is placed on the conveying device, the first motor 204 drives the motor shaft 205, thereby driving the conveyor belt 207 to rotate, the conveyor belt 207 drives the conveyor belt 209 to rotate, the conveyor belt 209 drives multiple conveyor belt wheels 210 to rotate, and the pipe is conveyed forward in a straight line. When the pipe enters the clamping device, the pipe is adjusted to a suitable size through the clamping arc 414, the second motor 301 is started, the second motor 301 drives the rotating shaft 302 to rotate, and the rotating shaft 302 drives the small gear The wheel 303 rotates, and the small gear 303 rotates to drive the upper rack 306 and the lower rack 307 to slide, thereby driving the clamping frame I 308 and the clamping frame II 309 to slide relative to each other. When the pipe reaches the infrared device 504 and is prompted, the two pipe surfaces are in contact, and then the third motor 401 is started, and the third motor 401 drives the rotating shaft 402 to rotate, thereby driving the rotating gear II 410 and the rotating gear I 411 to rotate, and the rotating gear II 410 and the rotating gear I 411 rotate to drive the large gear 412 to rotate, thereby realizing the simultaneous rotation of the pipes, which is convenient for subsequent welding. Next, after the pipes are aligned, the welding gun 511 starts to work and welds the pipes. After the welding is completed, the fourth motor 502 is started, and the fourth motor 502 drives the connecting pulley I 503 to rotate. The connecting pulley I 503 drives the connecting pulley II 506 to rotate through the connecting belt 505, thereby driving the transmission pulley I 507 to rotate. The transmission pulley I 507 drives the transmission pulley II 508 to rotate through the transmission belt 509, thereby realizing the rotation of the inner missing gear 510, and the inner missing gear 510 drives the welding gear 513 to rotate. The welding gear 513 rotates to The welding gun shaft 512 is driven to rotate, so that the welding gun 511 rotates upward, the connecting pulley II 506 rotates and drives the grinding gear 514 to rotate at the same time, and the rotation of the grinding gear 514 drives the transverse rack 515 to slide forward, thereby driving the grinding frame 517 to slide forward as a whole, and the fifth motor 518 is started while sliding, and the fifth motor 518 drives the driving gear 519 to rotate, and the driving gear 519 drives the driven gear 521 to rotate, so that the grinding wheel 522 rotates, so as to realize the polishing of the welding position, make the surface of the pipe fitting smoother, and complete one welding.

[0032] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, unless otherwise specified and limited, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be the internal communication of two elements, it can be a direct connection, or it can be an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A metal pipe welding device, comprising a combined device, characterized in that: The combined device comprises a base frame (1) and a welding frame (501), the combined device is used for welding and grinding the pipes after alignment, clamping devices are arranged on both sides of the combined device, the clamping devices comprise a clamping frame I (308) and a clamping frame II (309), the clamping devices are used for clamping and rotating the pipes during conveying, conveying devices are arranged on both sides of the clamping devices, the conveying devices comprise a plurality of auxiliary frames (201), the auxiliary frames (201) are fixedly mounted on the base frame (1), and the conveying devices are used for continuously conveying the pipes forward; The combined device comprises a welding mechanism and a grinding mechanism, wherein the welding mechanism comprises a fourth motor (502) fixedly mounted on a welding frame (501), a connecting pulley I (503) being rotatably mounted on the movable end of the fourth motor (502), a shaft being rotatably mounted on the side of the welding frame (501), a connecting pulley II (506) and a transmission pulley I (507) being rotatably mounted on the shaft, a grinding gear (514) being rotatably mounted on the front end of the shaft, a connecting belt (505) being wound around the outside of the connecting pulley II (506) and the connecting pulley I (503), and the A transmission pulley II (508) is rotatably mounted on the top of the welding frame (501), a transmission belt (509) is wound around the outside of the transmission pulley II (508) and the transmission pulley I (507), a welding gun rotating shaft (512) is rotatably mounted on the welding frame (501), a welding gear (513) is rotatably mounted on one end of the welding gun rotating shaft (512), a welding gun (511) is arranged in the middle of the welding gun rotating shaft (512), and an inner missing gear (510) is rotatably mounted behind the fifth motor (518), and the inner missing gear (510) and the welding gear (513) are meshed; The grinding mechanism comprises a grinding frame (517) fixedly mounted inside the welding frame (501), a grinding slide groove (516) being arranged on the side of the grinding frame (517), a transverse rack (515) being slidably mounted inside the grinding slide groove (516), the transverse rack (515) being fixedly mounted on the side of the grinding frame (517), the transverse rack (515) being meshed with a grinding gear (514), a fifth motor (518) being fixedly mounted inside the grinding frame (517), a driving gear (519) being rotatably mounted on the movable end of the fifth motor (518), a grinding shaft (520) being rotatably mounted on the grinding frame (517), a driven gear (521) being rotatably mounted on the grinding shaft (520), a grinding wheel (522) being rotatably mounted on the front end of the grinding shaft (520), the driven gear (521) being meshed with the driving gear (519); The clamping device comprises a third motor (401) fixedly mounted on the top of the clamping frame II (309); a rotating shaft (402) is rotatably mounted on the movable end of the third motor (401); a synchronous pulley I (405) and a synchronous pulley II (406) are rotatably mounted on the rotating shaft (402); a transmission shaft I (403) is disposed on one side of the clamping frame II (309); a right conveyor pulley is rotatably mounted on the transmission shaft I (403); a right conveyor belt (407) is wound around the outside of the synchronous pulley I (405) and the right conveyor pulley; and a front end of the transmission shaft I (403) is rotatably mounted. A rotating gear I (411) is installed, a transmission shaft II (404) is rotatably installed on the other side of the clamping frame II (309), a left conveyor pulley (408) is rotatably installed on the transmission shaft II (404), a left conveyor belt (409) is wound around the left conveyor pulley (408) and the synchronous pulley II (406), a rotating gear II (410) is rotatably installed on the front end of the transmission shaft II (404), a large gear (412) is rotatably installed inside the clamping frame II (309), and the large gear (412) is meshed with the rotating gear II (410) and the rotating gear I (411); A plurality of clamping auxiliary frames (413) are fixedly mounted inside the large gear (412), a plurality of compression rods (415) are arranged at the front end of the clamping auxiliary frames (413), and a clamping arc (414) is fixedly mounted on the compression rods (415); A sliding frame (304) is provided on the side of the clamping frame II (309), a rotating shaft (302) is rotatably mounted on the sliding frame (304), a second motor (301) is provided at the driving end of the rotating shaft (302), a pinion (303) is rotatably mounted on the other end of the rotating shaft (302), an upper rack (306) and a lower rack (307) are slidably mounted on the sliding frame (304), the upper rack (306) is fixedly mounted on the side of the clamping frame I (308), the lower rack (307) is fixedly mounted on the side of the clamping frame II (309), and the pinion (303) is meshed with the upper rack (306) and the lower rack (307); An infrared device (504) is fixedly mounted on the base frame (1); The conveying device comprises an auxiliary bracket (212) fixedly mounted on the inner wall of the auxiliary bracket (201), a plurality of auxiliary rods (213) being arranged on the auxiliary bracket (212), springs (214) being wound around the outside of the auxiliary rods (213), and auxiliary wheels (215) being arranged at the front ends of the auxiliary rods (213); a conveying rack (202) being arranged below the auxiliary bracket (201), the conveying rack (202) being fixedly mounted on the bottom frame (1), a motor fixing rack (203) being fixedly mounted on the conveying rack (202), a first motor (204) being fixedly mounted on the motor fixing rack (203), and the first motor (204) being fixedly mounted on the bottom frame (1). A motor shaft (205) is rotatably mounted on the movable end of the machine (204), and a conveyor belt wheel I (206) is rotatably mounted on the motor shaft (205). A plurality of conveyor belt wheels (210) are rotatably mounted on the side of the conveyor frame (202), wherein a conveyor belt wheel II (208) is rotatably mounted on the front end of one of the conveyor belt wheels (210), and a conveyor belt (207) is wound around the outside of the conveyor belt wheel II (208) and the conveyor belt wheel I (206), and a conveyor belt (209) is wound around the outside of the plurality of conveyor belt wheels (210), and a conveyor wheel (211) is rotatably mounted on one end of the conveyor belt wheel (210).

Images