Silk product laser trimming device

Abstract

The invention discloses a silk product laser trimming device, and belongs to the technical field of silk trimming, the silk product laser trimming device comprises a main body mechanism for placing silk, and the main body mechanism is provided with a laser mechanism for carrying out laser trimming on the silk and a winding mechanism for winding the silk; the laser mechanism firstly presses silk through the center pressing plate, then the silk is flattened through the multiple sets of inner flattening wheels and outer flattening wheels, then the silk is trimmed, the positioning effect is good, mistaken cutting and insufficient cutting can be effectively prevented, and the trimming precision is high; according to the laser mechanism, a laser generator is matched with a long sliding groove and an outer side track groove, a blocking plate is matched, the laser generator moves by a circle, and the two sides of silk are just trimmed, and operation is easy; the winding mechanism can wind the silk after trimming is completed every time, full-automatic trimming of a whole section of silk is achieved, meanwhile, automatic winding is achieved after trimming is completed, and follow-up use is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of silk trimming, in particular to a laser trimming device for silk products. Background Art

[0002] Silk is a textile specialty of China. It is a textile made from silk or filament fibers. It is not only the raw material for clothing, but also an important symbol of Chinese civilization. After silk is made, it is inevitable that there will be an indefinite amount of burrs at the corners, which is not conducive to subsequent production and use. The best way to trim the burrs is laser trimming. Laser trimming uses a laser emitter to generate a high-energy light beam, which can instantly cut off the burrs and solidify the edges. The silk laser trimming device in the prior art usually cannot achieve fully automatic trimming of silk, cannot achieve batch trimming, and cannot automatically flatten the silk during trimming, which may result in miscutting. Summary of the invention

[0003] In view of the above technical problems, the technical solution adopted by the present invention is as follows: a laser trimming device for silk products, comprising a main body mechanism for placing silk, the main body mechanism comprising a bottom box, two bidirectional threaded columns are rotatably mounted on the bottom box, a laser mechanism for laser trimming the silk and a winding mechanism for winding the silk are arranged on the main body mechanism, the laser mechanism comprises a lifting track frame, the lifting track frame is slidably mounted on the bottom box, and the winding mechanism comprises a worm, which is rotatably mounted in the bottom box; The main mechanism includes a switching electric cylinder fixedly installed in the bottom box, a motor seat fixedly installed on the output end of the switching electric cylinder, the motor seat and the bottom box are slidably installed, a switching motor is fixedly installed on the motor seat, and a motor gear is fixedly installed on the motor shaft of the switching motor.

[0004] Furthermore, the main mechanism also includes two transmission shafts rotatably mounted on the bottom box, a bidirectional thread is provided on the bidirectional threaded column, a lower transmission wheel and an upper transmission wheel are fixedly mounted on the transmission shaft, a top plate is fixedly mounted on the bottom box, a docking gear is rotatably mounted on the top plate, an intermediate wheel is fixedly mounted on the docking gear, a top transmission belt is wrapped around the intermediate wheel and the two upper transmission wheels, a screw gear is fixedly mounted below the bidirectional threaded column, a lifting docking gear and a trimming docking gear are rotatably mounted in the bottom box, an outer transmission belt is wrapped around the trimming docking gear and the two lower transmission wheels, an intermediate transmission belt is wrapped around the lifting docking gear and the two screw gears, and an absorption frame is fixedly mounted on the bottom box.

[0005] Furthermore, when the switching electric cylinder is extended to the farthest end, the motor gear is only engaged with the trimming docking gear, and when 11 is extended to half the stroke, the motor gear is only engaged with the lifting docking gear.

[0006] The switching motor drives the motor gear to rotate. When the switching electric cylinder is retracted to the nearest end, the motor gear rotates to drive the worm gear to rotate, and the motor seat pushes the push-out frame to move to the outermost side, and the tension spring is stretched; when the switching electric cylinder is extended to half of the stroke, the motor gear drives the lifting and lowering docking gear to rotate, and drives the lead screw gear and the two-way threaded column to rotate through the middle transmission belt; when the switching electric cylinder is extended to the farthest end, the motor gear drives the trimming docking gear to rotate, and drives the lower transmission wheel, transmission shaft and upper transmission wheel to rotate through the outer transmission belt, and drives the middle wheel and docking gear to rotate through the top transmission belt.

[0007] Furthermore, the laser mechanism includes an outer track groove arranged on the lifting track frame, a rotating cylinder is rotatably installed on the lifting track frame, a movable gear is fixedly installed on the rotating cylinder, an extension rod is fixedly installed on the rotating cylinder, a long slide groove is arranged on the extension rod, a laser emitter is slidably installed in the long slide groove, the laser emitter slides in the outer track groove, and two blocking plates are fixedly installed on the lifting track frame.

[0008] Furthermore, a central sliding column is slidably mounted on the lifting track frame, a central pressure plate is fixedly mounted below the central sliding column, and a pressure plate spring is arranged between the central pressure plate and the lifting track frame.

[0009] Furthermore, two inner flattening frames are rotatably mounted below the lifting track frame, an inner volute spring is arranged between the inner flattening frame and the lifting track frame, and three inner flattening wheels are rotatably mounted on the inner flattening frame.

[0010] Furthermore, two sets of flattening mechanisms are arranged below the lifting track frame, and the flattening mechanism includes two external flattening frames rotatably installed below the lifting track frame, an external scroll spring is arranged between the external flattening frame and the lifting track frame, and three external flattening wheels are rotatably installed on the external flattening frame.

[0011] Furthermore, two convex balls are fixedly mounted on the lifting track frame, and the convex balls slide in the bidirectional threads of the bidirectional threaded column.

[0012] When in use, the end of the silk is pulled out, and the silk is pulled in from the end of the bottom box away from the winding drum, the end of the silk is pulled between the cloth pressing block and the winding drum, and the end of the silk is fixed on the winding drum by means of glue or the like. The two-way threaded column rotates through the convex ball to drive the lifting track frame to descend, and the central pressing plate first contacts with the upper surface of the silk. As the lifting track frame continues to descend, the central sliding column begins to slide along the lifting track frame, and the pressing plate spring is compressed, and the middle of the silk is pressed tightly through the central pressing plate. As the lifting track frame continues to descend, the outer pressing wheel and the inner pressing wheel begin to contact the upper surface of the silk, and the lifting track frame continues to descend, so that the outer pressing wheel and the inner pressing wheel rotate relative to the lifting track frame, and the outer scroll spring and the inner scroll spring are twisted. The flattening wheel flattens the silk horizontally and vertically. When the lifting track frame descends to the lowest end, the movable gear meshes with the docking gear. At this time, the convex ball is located at the lowest end of the two-way thread of the two-way threaded column. By switching the electric cylinder to extend to the farthest end, the motor gear drives the trimming docking gear to rotate, so that the docking gear drives the movable gear, the rotating cylinder and the extension rod to rotate, and cooperates with the sliding of the laser emitter along the long slide groove, thereby driving the laser emitter to move along the outer track groove, and the laser emitter is used to trim the edges of the silk on both sides, the absorption frame absorbs the excess light beam, and the blocking plate blocks the laser to prevent the silk from being cut. Then the electric cylinder is switched to retract to half the stroke again, driving the two-way threaded column to continue to rotate, so that the lifting track frame rises to the initial position.

[0013] Furthermore, the winding mechanism includes a worm gear fixedly mounted on the worm. When the motor gear is retracted to the nearest end, the motor gear only meshes with the worm gear. A turbine is rotatably mounted in the bottom box, the turbine meshes with the worm, a driving wheel is fixedly mounted on the turbine, a winding drum is rotatably mounted on the bottom box, a winding wheel is fixedly mounted on the winding drum, the winding drum can be removed, and a horizontal transmission belt is wrapped around the winding wheel and the driving wheel.

[0014] Furthermore, an outward push frame is slidably installed on the bottom box, a tension spring is arranged between the outward push frame and the bottom box, a short connecting rod is rotatably installed on the outward push frame, a lifting frame is slidably installed on the bottom box, the lifting frame and the short connecting rod are rotatably installed, two cloth pressing blocks are slidably installed under the lifting frame, and a cloth pressing spring is arranged between the cloth pressing blocks and the lifting frame.

[0015] After the trimming is completed, the switching electric cylinder retracts to the nearest end, the motor seat pushes the push-out frame to slide outward, the tension spring is stretched, and the push-out frame drives the short connecting rod to rotate, thereby driving the lifting frame to descend along the bottom box, so that the cloth pressing block always presses the silk on the winding drum. At this time, the motor gear rotates to drive the worm gear and the worm to rotate, and the worm drives the turbine and the driving wheel to rotate, and the winding wheel and the winding drum are driven to rotate through the transverse transmission belt to rewind the silk. When the rewinding is completed, the switching electric cylinder extends to half of the stroke again to prepare for the next trimming, and repeats this process.

[0016] Compared with the prior art, the present invention has the following advantages: (1) The laser mechanism provided in the present invention first presses the silk through the central pressure plate, then flattens the silk through multiple sets of inner flattening wheels and outer flattening wheels, and then trims the silk, with good positioning effect, effectively preventing miscutting and undercutting, and high trimming accuracy; (2) The laser mechanism provided in the present invention realizes trimming of both sides of the silk in one circle of movement of the laser generator through the cooperation of the laser generator with the long slide groove and the outer track groove, and with the blocking plate, and the operation is simple; (3) The winding mechanism provided in the present invention can wind up the silk after each trimming is completed, so as to realize fully automatic trimming of a whole section of silk, and automatically wind up after trimming is completed, so as to facilitate subsequent use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0018] Figure 2 The main structure of the present invention is shown in FIG. Figure 1 .

[0019] Figure 3 The main structure of the present invention is shown in FIG. Figure 2 .

[0020] Figure 4 The laser mechanism structure of the present invention is shown in FIG. Figure 1 .

[0021] Figure 5 The laser mechanism structure of the present invention is shown in FIG. Figure 2 .

[0022] Figure 6 It is a schematic diagram of the cooperation between the lifting track frame and the bidirectional threaded column of the present invention.

[0023] Figure 7 The structure of the winding mechanism of the present invention is schematically shown in FIG. Figure 1 .

[0024] Figure 8 The structure of the winding mechanism of the present invention is schematically shown in FIG. Figure 2 .

[0025] Reference numerals: 101-bottom box; 102-bidirectional threaded column; 103-absorption frame; 104-transmission shaft; 105-lower transmission wheel; 106-upper transmission wheel; 107-top plate; 108-top transmission belt; 109-middle wheel; 110-docking gear; 111-switching electric cylinder; 112-motor seat; 113-switching motor; 114-motor gear; 115-lifting and docking gear; 116-screw gear; 117-middle transmission belt; 118-trimming and docking gear; 119-outer transmission belt; 201-lifting track frame; 202-rotating cylinder; 203-movable gear; 204-extending rod; 205-laser transmitter; 206-outer track groove; 207-long slide groove; 208-center pressure plate; 209-center slide column; 210-pressure plate spring; 211-inner pressure flattening frame; 212-inner pressure flattening wheel; 213-inner scroll spring; 214-outer pressure flattening frame; 215-outer pressure flattening wheel; 216-outer scroll spring; 217-convex ball; 218-blocking plate; 301-worm; 302-worm gear; 303-turbine; 304-driving wheel; 305-transverse transmission belt; 306-winding drum; 307-winding wheel; 308-tension spring; 309-external push frame; 310-short connecting rod; 311-lifting frame; 312-cloth pressing block; 313-cloth pressing spring. DETAILED DESCRIPTION

[0026] The specific implementation of the present invention will be further described below in conjunction with the accompanying drawings.

[0027] Example: Reference Figure 1-Figure 8 A laser trimming device for silk products, comprising a main body mechanism for placing silk, the main body mechanism comprising a bottom box 101, two bidirectional threaded columns 102 are rotatably mounted on the bottom box 101, a laser mechanism for laser trimming the silk and a winding mechanism for winding the silk are arranged on the main body mechanism, the laser mechanism comprises a lifting track frame 201, the lifting track frame 201 is slidably mounted on the bottom box 101, and the winding mechanism comprises a worm 301, which is rotatably mounted in the bottom box 101; The main structure includes a switching electric cylinder 111 fixedly installed in the bottom box 101, a motor base 112 fixedly installed on the output end of the switching electric cylinder 111, the motor base 112 is slidably installed with the bottom box 101, a switching motor 113 is fixedly installed on the motor base 112, and a motor gear 114 is fixedly installed on the motor shaft of the switching motor 113.

[0028] like Figure 2 , Figure 3As shown, the main mechanism also includes two transmission shafts 104 rotatably mounted on the bottom box 101, a bidirectional thread is provided on the bidirectional threaded column 102, a lower transmission wheel 105 and an upper transmission wheel 106 are fixedly mounted on the transmission shaft 104, a top plate 107 is fixedly mounted on the bottom box 101, a docking gear 110 is rotatably mounted on the top plate 107, an intermediate wheel 109 is fixedly mounted on the docking gear 110, a top transmission belt 108 is wrapped around the intermediate wheel 109 and the two upper transmission wheels 106, a lead screw gear 116 is fixedly mounted below the bidirectional threaded column 102, a lifting docking gear 115 and a trimming docking gear 118 are rotatably mounted in the bottom box 101, an outer transmission belt 119 is wrapped around the trimming docking gear 118 and the two lower transmission wheels 105, an intermediate transmission belt 117 is wrapped around the lifting docking gear 115 and the two lead screw gears 116, and an absorption frame 103 is fixedly mounted on the bottom box 101.

[0029] like Figure 2 , Figure 3 As shown, when the switching electric cylinder 111 is extended to the farthest end, the motor gear 114 is only engaged with the trimming docking gear 118, and when 11 is extended to half of the stroke, the motor gear 114 is only engaged with the lifting docking gear 115.

[0030] The switching motor 113 drives the motor gear 114 to rotate. When the switching electric cylinder 111 is retracted to the nearest end, the motor gear 114 rotates to drive the worm gear 302 to rotate, and the motor seat 112 pushes the push-out frame 309 to move to the outermost side, and the tension spring 308 is stretched; when the switching electric cylinder 111 is extended to half of the stroke, the motor gear 114 drives the lifting and docking gear 115 to rotate, and drives the screw gear 116 and the two-way threaded column 102 to rotate through the intermediate transmission belt 117; when the switching electric cylinder 111 is extended to the farthest end, the motor gear 114 drives the trimming docking gear 118 to rotate, and drives the lower transmission wheel 105, the transmission shaft 104 and the upper transmission wheel 106 to rotate through the outer transmission belt 119, and drives the intermediate wheel 109 and the docking gear 110 to rotate through the top transmission belt 108.

[0031] like Figure 4-Figure 6 As shown, the laser mechanism includes an outer track groove 206 arranged on the lifting track frame 201, a rotating cylinder 202 is rotatably installed on the lifting track frame 201, a movable gear 203 is fixedly installed on the rotating cylinder 202, an extension rod 204 is fixedly installed on the rotating cylinder 202, a long slide groove 207 is arranged on the extension rod 204, a laser emitter 205 is slidably installed in the long slide groove 207, the laser emitter 205 slides in the outer track groove 206, and two blocking plates 218 are fixedly installed on the lifting track frame 201.

[0032] like Figure 4-Figure 6As shown, a central sliding column 209 is slidably mounted on the lifting track frame 201 , a central pressure plate 208 is fixedly mounted below the central sliding column 209 , and a pressure plate spring 210 is provided between the central pressure plate 208 and the lifting track frame 201 .

[0033] like Figure 4-Figure 6 As shown, two inner flattening frames 211 are rotatably mounted below the lifting track frame 201 , inner volute springs 213 are arranged between the inner flattening frames 211 and the lifting track frame 201 , and three inner flattening wheels 212 are rotatably mounted on the inner flattening frames 211 .

[0034] like Figure 4-Figure 6 As shown, two sets of flattening mechanisms are arranged below the lifting track frame 201, and the flattening mechanisms include two external flattening frames 214 rotatably installed below the lifting track frame 201, an external scroll spring 216 is arranged between the external flattening frames 214 and the lifting track frame 201, and three external flattening wheels 215 are rotatably installed on the external flattening frames 214.

[0035] like Figure 4-Figure 6 As shown, two convex balls 217 are fixedly mounted on the lifting track frame 201 , and the convex balls 217 slide in the bidirectional threads of the bidirectional threaded column 102 .

[0036] When in use, the end of the silk is pulled out, and the silk is pulled into the end of the bottom box 101 away from the winding drum 306, the end of the silk is pulled between the cloth pressing block 312 and the winding drum 306, and the end of the silk is fixed on the winding drum 306 by means of glue or the like. The two-way threaded column 102 rotates through the convex ball 217 to drive the lifting track frame 201 to descend, and the central pressing plate 208 first contacts the upper surface of the silk. As the lifting track frame 201 continues to descend, the central sliding column 209 begins to slide along the lifting track frame 201, and the pressing plate spring 210 is compressed, and the middle of the silk is pressed tightly by the central pressing plate 208. As the lifting track frame 201 continues to descend, the outer flattening wheel 215 and the inner flattening wheel 212 begin to contact the upper surface of the silk, and the lifting track frame 201 continues to descend, so that the outer flattening frame 214 and the inner flattening frame 211 rotate relative to the lifting track frame 201, and the outer volute spring 216 and the inner volute spring 213 are twisted. The inner flattening wheel 212 flattens the silk horizontally and vertically. When the lifting track frame 201 descends to the lowest end, the movable gear 203 meshes with the docking gear 110. At this time, the convex ball 217 is located at the lowest end of the two-way thread of the two-way threaded column 102. At this time, the electric cylinder 111 is switched to extend to the farthest end, and the motor gear 114 drives the trimming docking gear 118 to rotate, so that the docking gear 110 drives the movable gear 203, the rotating cylinder 202 and the extension rod 204 to rotate, and cooperates with the sliding of the laser emitter 205 along the long slide groove 207, thereby driving the laser emitter 205 to move along the outer track groove 206, and the laser emitter 205 trims the edges of the silk on both sides, the absorption frame 103 absorbs the excess light beam, and the blocking plate 218 blocks the laser to prevent the silk from being cut. Then the electric cylinder 111 is switched to retract to half the stroke again, driving the two-way threaded column 102 to continue to rotate, so that the lifting track frame 201 rises to the initial position.

[0037] like Figure 7 , Figure 8 As shown, the winding mechanism includes a worm gear 302 fixedly mounted on the worm 301. When the motor gear 114 is retracted to the nearest end, the motor gear 114 only meshes with the worm gear 302. A turbine 303 is rotatably mounted in the bottom box 101. The turbine 303 meshes with the worm 301. A driving wheel 304 is fixedly mounted on the turbine 303. A winding drum 306 is rotatably mounted on the bottom box 101. A winding wheel 307 is fixedly mounted on the winding drum 306. The winding drum 306 can be disassembled. A horizontal transmission belt 305 is wound around the winding wheel 307 and the driving wheel 304.

[0038] like Figure 7 , Figure 8As shown, an extension frame 309 is slidably installed on the bottom box 101, a tension spring 308 is arranged between the extension frame 309 and the bottom box 101, a short connecting rod 310 is rotatably installed on the extension frame 309, a lifting frame 311 is slidably installed on the bottom box 101, the lifting frame 311 is rotatably installed with the short connecting rod 310, two cloth pressing blocks 312 are slidably installed under the lifting frame 311, and a cloth pressing spring 313 is arranged between the cloth pressing block 312 and the lifting frame 311.

[0039] After the trimming is completed, the switching electric cylinder 111 is retracted to the nearest end, the motor seat 112 pushes the push-out frame 309 to slide outward, the tension spring 308 is stretched, and the push-out frame 309 drives the short connecting rod 310 to rotate, thereby driving the lifting frame 311 to descend along the bottom box 101, so that the cloth pressing block 312 always presses the silk on the winding drum 306. At this time, the motor gear 114 rotates to drive the worm gear 302 and the worm 301 to rotate, and the worm 301 drives the turbine 303 and the driving wheel 304 to rotate, and drives the winding wheel 307 and the winding drum 306 to rotate through the transverse transmission belt 305 to wind the silk. When the winding is completed, the switching electric cylinder 111 is extended to half of the stroke again to prepare for the next trimming, and this reciprocating process is repeated.

[0040] The working principle of the laser trimming device for silk products disclosed in the present invention is as follows: when in use, the end of the silk is pulled out, and the silk is pulled in from the end of the bottom box 101 away from the winding drum 306, and the end of the silk is pulled between the cloth pressing block 312 and the winding drum 306, and the end of the silk is fixed on the winding drum 306 by means of adhesive or the like, at this time, the switching electric cylinder 111 is extended to half of the stroke, the motor gear 114 drives the lifting and docking gear 115 to rotate, and drives the screw gear 116 and the bidirectional threaded column 102 to rotate through the intermediate transmission belt 117; the bidirectional thread The column 102 rotates through the convex ball 217 to drive the lifting track frame 201 to descend. The central pressure plate 208 first contacts the upper surface of the silk. As the lifting track frame 201 continues to descend, the central sliding column 209 begins to slide along the lifting track frame 201, and the pressure plate spring 210 is compressed, and the middle of the silk is pressed tightly through the central pressure plate 208. As the lifting track frame 201 continues to descend, the outer pressure flattening wheel 215 and the inner pressure flattening wheel 212 begin to contact the upper surface of the silk. The lifting track frame 201 continues to descend, so that the outer pressure flattening frame 214 and the inner pressure flattening frame 215 are pressed tightly against the silk. 11 is rotated relative to the lifting track frame 201, the outer scroll spring 216 and the inner scroll spring 213 are twisted, and the silk is flattened horizontally and vertically by the outer flattening wheel 215 and the inner flattening wheel 212. When the lifting track frame 201 descends to the lowest end, the movable gear 203 is meshed with the docking gear 110. At this time, the convex ball 217 is located at the lowest end of the two-way thread of the two-way thread column 102. At this time, the switching electric cylinder 111 is extended to the farthest end, and the motor gear 114 drives the trimming docking gear 118 to rotate, so that the docking gear 110 drives the movable gear The wheel 203, the rotating cylinder 202 and the extending rod 204 rotate, and cooperate with the sliding of the laser emitter 205 along the long slide groove 207, thereby driving the laser emitter 205 to move along the outer track groove 206, and the laser emitter 205 trims the edges of the silk on both sides, the absorption frame 103 absorbs the excess light beam, and the blocking plate 218 blocks the laser to prevent the silk from being cut, and then the switching electric cylinder 111 retracts to half the stroke again, driving the bidirectional threaded column 102 to continue rotating, so that the lifting track frame 201 rises to the initial position. After the trimming is completed, the switching electric cylinder 111 is retracted to the nearest end, the motor seat 112 pushes the push-out frame 309 to slide outward, the tension spring 308 is stretched, and the push-out frame 309 drives the short connecting rod 310 to rotate, thereby driving the lifting frame 311 to descend along the bottom box 101, so that the cloth pressing block 312 always presses the silk on the winding drum 306. At this time, the motor gear 114 rotates to drive the worm gear 302 and the worm 301 to rotate, and the worm 301 drives the turbine 303 and the driving wheel 304 to rotate, and drives the winding wheel 307 and the winding drum 306 to rotate through the transverse transmission belt 305 to wind the silk. When the winding is completed, the switching electric cylinder 111 is extended to half of the stroke again to prepare for the next trimming, and this reciprocating process is repeated.

[0041] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A laser trimming device for silk products, comprising a main body mechanism for placing silk, characterized in that: The main body mechanism comprises a bottom box (101), on which two bidirectional threaded columns (102) are rotatably mounted, and the main body mechanism is provided with a laser mechanism for laser trimming of silk and a winding mechanism for winding the silk, the laser mechanism comprises a lifting track frame (201), the lifting track frame (201) is slidably mounted on the bottom box (101), and the winding mechanism comprises a worm (301), which is rotatably mounted in the bottom box (101); The main body mechanism comprises a switching electric cylinder (111) fixedly mounted in a bottom box (101); a motor seat (112) fixedly mounted on an output end of the switching electric cylinder (111); the motor seat (112) and the bottom box (101) are slidably mounted; a switching motor (113) is fixedly mounted on the motor seat (112); and a motor gear (114) is fixedly mounted on a motor shaft of the switching motor (113).

2. A silk product laser trimming device according to claim 1, characterized in that: The main body mechanism further comprises two transmission shafts (104) rotatably mounted on the bottom box (101); a bidirectional thread is provided on the bidirectional threaded column (102); a lower transmission wheel (105) and an upper transmission wheel (106) are fixedly mounted on the transmission shaft (104); a top plate (107) is fixedly mounted on the bottom box (101); a docking gear (110) is rotatably mounted on the top plate (107); an intermediate wheel (109) is fixedly mounted on the docking gear (110); the intermediate wheel (109) and the two upper transmission wheels (106) are externally A top transmission belt (108) is wound around the bottom of the two-way threaded column (102). A screw gear (116) is fixedly installed below the two-way threaded column (102). A lifting and docking gear (115) and a trimming and docking gear (118) are rotatably installed in the bottom box (101). An outer transmission belt (119) is wound around the trimming and docking gear (118) and the two lower transmission wheels (105). An intermediate transmission belt (117) is wound around the lifting and docking gear (115) and the two screw gears (116). An absorption frame (103) is fixedly installed on the bottom box (101).

3. A silk product laser trimming device according to claim 2, characterized in that: When the switching electric cylinder (111) is extended to the farthest end, the motor gear (114) only meshes with the trimming docking gear (118); when 11 is extended to half the stroke, the motor gear (114) only meshes with the lifting docking gear (115).

4. The laser trimming device for silk products according to claim 1, characterized in that: The laser mechanism comprises an outer track groove (206) arranged on a lifting track frame (201); a rotating cylinder (202) is rotatably mounted on the lifting track frame (201); a movable gear (203) is fixedly mounted on the rotating cylinder (202); an extension rod (204) is fixedly mounted on the rotating cylinder (202); a long slide groove (207) is arranged on the extension rod (204); a laser emitter (205) is slidably mounted in the long slide groove (207); the laser emitter (205) slides in the outer track groove (206); and two blocking plates (218) are fixedly mounted on the lifting track frame (201).

5. A silk product laser trimming device according to claim 4, characterized in that: A central sliding column (209) is slidably mounted on the lifting track frame (201), a central pressing plate (208) is fixedly mounted below the central sliding column (209), and a pressing plate spring (210) is provided between the central pressing plate (208) and the lifting track frame (201).

6. A silk product laser trimming device according to claim 4, characterized in that: Two inner flattening frames (211) are rotatably mounted below the lifting track frame (201), an inner volute spring (213) is provided between the inner flattening frames (211) and the lifting track frame (201), and three inner flattening wheels (212) are rotatably mounted on the inner flattening frames (211).

7. The laser trimming device for silk products according to claim 4, characterized in that: Two sets of flattening mechanisms are arranged below the lifting track frame (201), and the flattening mechanisms include two external flattening frames (214) rotatably mounted below the lifting track frame (201), external scroll springs (216) are arranged between the external flattening frames (214) and the lifting track frame (201), and three external flattening wheels (215) are rotatably mounted on the external flattening frames (214).

8. The laser trimming device for silk products according to claim 4, characterized in that: Two convex balls (217) are fixedly mounted on the lifting track frame (201), and the convex balls (217) slide in the bidirectional threads of the bidirectional threaded column (102).

9. The laser trimming device for silk products according to claim 1, characterized in that: The winding mechanism comprises a worm gear (302) fixedly mounted on the worm (301); when the motor gear (114) is retracted to the nearest end, the motor gear (114) only meshes with the worm gear (302); a turbine (303) is rotatably mounted in the bottom box (101); the turbine (303) meshes with the worm (301); a driving wheel (304) is fixedly mounted on the turbine (303); a winding drum (306) is rotatably mounted on the bottom box (101); a winding wheel (307) is fixedly mounted on the winding drum (306); the winding drum (306) is detachable; and a transverse transmission belt (305) is wound around the winding wheel (307) and the driving wheel (304).

10. A silk product laser trimming device according to claim 9, characterized in that: An outward push frame (309) is slidably mounted on the bottom box (101), a tension spring (308) is arranged between the outward push frame (309) and the bottom box (101), a short connecting rod (310) is rotatably mounted on the outward push frame (309), a lifting frame (311) is slidably mounted on the bottom box (101), the lifting frame (311) and the short connecting rod (310) are rotatably mounted, two cloth pressing blocks (312) are slidably mounted below the lifting frame (311), and a cloth pressing spring (313) is arranged between the cloth pressing blocks (312) and the lifting frame (311).

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