Laser heat treatment trimming device for fabric

Abstract

The present application relates to the technical field of fabric laser heat treatment trimming, in particular to a fabric laser heat treatment trimming device, which comprises a placing table and a heat treatment laser head, the heat treatment laser head is installed with a connecting frame, the upper side of the placing table is provided with a cross frame, the bottom surface of the cross frame is installed with an electric telescopic rod, the other end of the electric telescopic rod is fixed with the placing table, the inner side of the cross frame is installed with a control structure for controlling the transverse movement of the connecting frame, the lower end of the connecting frame is installed with a cloth pressing structure, the right side of the placing table is installed with a vertical edge rod, the front side of the placing table is provided with a telescopic edge shaft, the lower telescopic end of the telescopic edge shaft is rotationally connected with a bent rod, the upper telescopic end of the telescopic edge shaft is rotationally connected with the connecting frame, and the rear side of the cloth pressing structure is provided with a plurality of cloth separating soft strips. The present application can gradually separate the cut part by moving the cloth pressing structure, and the cloth separating soft strips can pull apart the cut part between the multiple layers of cloth during the movement and bending, so that the cut parts are not adhered together after being cut.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fabric laser heat treatment trimming, in particular to a fabric laser heat treatment trimming device. BACKGROUND

[0002] Fabric, a flat soft piece of material made by interlacing, looping or bonding fine, flexible materials. A fabric is formed when a number of yarns are put into stable relationship. Interlacing and looping are two stable structural relationships that yarns can form. Laser heat treatment is a surface heat treatment technology, a focused high-power density laser beam irradiates the workpiece, and the irradiated material quickly melts, vaporizes or reaches the ignition point, while a high-speed airflow coaxial with the beam blows away the molten material, thereby achieving the purpose of cutting the material.

[0003] Chinese patent CN118768757A discloses an environment-friendly cloth laser cutting equipment, relating to the technical field of laser cutting equipment, comprising an operation table, a transmission device is installed in the middle of the operation table, a slide rail is slidably connected above the transmission device of the operation table, a laser cutting device is installed on the slide rail, a smoke suction cover is fixedly connected to the outer surface of the laser cutting device, an adjustable dust collection and impurity collection mechanism is provided, the laser cutting lens surface can be prevented from being re-attached by external dust and impurities by automatically closing the multifunctional closure plate, and the laser bottom lens can be wiped each time the multifunctional closure plate is opened and closed by the cleaning block installed on the multifunctional closure plate, which not only prevents smoke and dust generated during laser cutting from attaching to the lens and affecting the laser cutting efficiency, but also protects the laser and other precision components from accidental touching by external objects, and prevents accidental burns caused by high temperature on the laser cutting surface. The above related technology has the following defects: in the prior art, when using laser to heat treat and trim the cloth, single-layer cloth is generally cut and treated, which results in low cutting efficiency. However, when using laser to cut multi-layer cloth, the cloth at the laser cutting position may be melted due to high temperature, and the cut multi-layer cloth may be easily adhered together. Therefore, a fabric laser heat treatment trimming device is proposed. SUMMARY

[0004] In order to prevent the multi-layer cloth from being adhered together after laser heat treatment cutting, the present application provides a fabric laser heat treatment trimming device.

[0005] The fabric laser heat treatment trimming device provided by the present application adopts the following technical scheme: comprising a placing table and a heat treatment laser head, the heat treatment laser head is installed with a connecting frame, a horizontal frame is arranged on the upper side of the placing table, an electric telescopic rod is installed on the bottom surface of the horizontal frame, the other end of the electric telescopic rod is fixed with the placing table, and a control structure for controlling the transverse movement of the connecting frame is installed on the inner side of the horizontal frame.

[0006] The lower end of the connecting frame is provided with a cloth pressing structure.

[0007] The right side of the placing table is provided with a vertical rod, the front side of the placing table is provided with a telescopic shaft, the lower telescopic end of the telescopic shaft is rotationally connected with a bent rod, the upper telescopic end of the telescopic shaft is rotationally connected with the connecting frame, and the bent rod is transversely slidably connected with the bottom surface of the placing table.

[0008] The rear side of the cloth pressing structure is provided with a plurality of cloth separating soft strips, and the two ends of each cloth separating soft strip are slidably sleeved on the outer surfaces of the vertical rod and the telescopic shaft.

[0009] Optionally, the control structure comprises a threaded rod and a power motor, the power motor is fixed to the horizontal frame, the bottom of the horizontal frame is provided with an inner recess, and the upper end of the connecting frame is slidably inserted into the inner recess of the horizontal frame.

[0010] The two ends of the threaded rod are rotationally penetrated through the inner walls on the left and right sides of the inner recess of the horizontal frame, and the upper end of the connecting frame is threadedly sleeved on the outer surface of the threaded rod.

[0011] Optionally, the cloth pressing structure comprises a pressing plate, the lower end of the connecting frame is fixed to the pressing plate, a pressing wheel is rotationally installed on the left side of the lower end of the connecting frame, a soft belt is arranged between the pressing wheel and the pressing plate, a cloth winding wheel is installed on the connecting frame and used for winding the soft belt, the other end of the soft belt is connected with the horizontal frame, and the heat treatment laser head is located on the front side of the soft belt.

[0012] The rear end of the cloth winding wheel and the upper end of the telescopic shaft are connected through a gear plate combination structure.

[0013] Optionally, the soft belt is fixed to the horizontal frame through a vertical plate, a side pressing head is slidably sleeved on the outer surface of the soft belt, the end of the side pressing head close to the vertical plate is annular, and the annular part of the side pressing head is located on the right side of the placing table.

[0014] The part of the side pressing head located on the upper side of the placing table is horizontally arranged, the horizontally arranged bottom surface of the side pressing head is flush with the bottom surface of the pressing plate, the horizontal end of the side pressing head is located on the upper side of the soft belt, a horizontal elastic telescopic rod is fixed to the upper end of the side pressing head, and the other end of the horizontal elastic telescopic rod is penetrated through the side surface of the vertical plate.

[0015] Optionally, the gear plate combination structure comprises a gear and a toothed plate, the gear is engaged with the toothed plate, the toothed plate is fixed to the horizontal frame, and the telescopic shaft and the cloth winding wheel are connected with adjacent gears through elastic misplacement structures respectively.

[0016] Optionally, the elastic misplacement structure comprises an external toothed groove wheel, the external toothed groove wheel is coaxially rotationally inserted into the inner side of the adjacent gear, the outer ring surface of the external toothed groove wheel is provided with a plurality of groove structures, a plurality of elastic plates are fixed to the inner ring surface of the gear, the other ends of the elastic plates are engaged with the outer ring surface of the external toothed groove wheel, and the outer diameter of the external toothed groove wheel is smaller than the inner diameter of the gear.

[0017] The telescopic edge shaft and the winding roller are respectively rotationally connected with adjacent gears, and the telescopic edge shaft and the winding roller are coaxially fixed with adjacent external tooth groove wheels.

[0018] Optionally, the elastic plate extension line coincides with the axis of the matched external tooth groove wheel, and the plurality of elastic plates on the inner side of the gear are uniformly distributed in a circumferential array along the gear axis.

[0019] Optionally, the open cylinder is fixed on the left side of the bending rod, the open cylinder is located on the left side of the cloth separating soft strip, the open cylinder is located on the upper side of the placing table, and the rear side of the open cylinder is in an open state.

[0020] The air cylinder is rotationally inserted into the inner side of the open cylinder, the air pump is communicated and mounted at one end of the air cylinder, and a plurality of air permeation grooves are formed in the outer ring surface of the air cylinder.

[0021] The plurality of air permeation grooves are uniformly distributed in a circumferential array along the air cylinder axis, the oscillating motor is fixed at the axis of the end face of the open cylinder, and the air cylinder is coaxially connected with the output end of the oscillating motor.

[0022] Optionally, the bending rod is connected with the bottom surface of the placing table through a horizontal edge rod, the horizontal edge rod is fixed at both ends and the bottom surface of the placing table, and the bending rod is slidingly sleeved on the outer surface of the horizontal edge rod.

[0023] In summary, the present application has the following beneficial technical effects:

[0024] 1. The present application sets up cloth pressing structure, telescopic edge shaft and cloth separating soft strip, etc., when placing cloth, multiple layers of cloth are alternately placed with multiple cloth separating soft strips, then the cloth pressing structure is controlled to move downward to press the cloth to be cut, the connecting frame is controlled to move to drive the heat treatment laser head to move and cut, the connecting frame drives the cloth pressing structure and the telescopic edge shaft to move synchronously, the cloth pressing structure gradually separates from the part after cutting during movement, and the telescopic edge shaft pulls the cloth separating soft strip to move during movement, so that the multiple layers of cloth are separated after laser cutting.

[0025] 2. The present application sets up pressure roller, pressure plate, soft belt and side pressure head, etc., the pressure plate is driven by the connecting frame to press the soft belt to press the cloth below, the connecting frame drives the pressure roller, the pressure plate and the heat treatment laser head to move synchronously when moving, the pressure roller rolls on the surface of the cloth when moving, the connecting frame drives the gear connected with the winding roller to mesh with the corresponding toothed plate to rotate when moving, the gear drives the external tooth groove wheel and the winding roller to rotate to wind the soft belt, so that the pressure plate does not generate pulling force on the cloth when moving, effectively preventing the cloth from being wrinkled when the pressure plate moves, and the pressure roller and the pressure plate gradually separate from the part after cutting by the heat treatment laser head during movement.

[0026] 3. The application sets the opening cylinder, air cylinder and air permeable groove and other components, swing motor driven air cylinder reciprocating swing, air pump to the air cylinder, the airflow from the opening of the opening cylinder opening part of the air permeable groove, the airflow from the air permeable groove blows towards the cut cloth part, the airflow drives the cloth trimming part to flip off the pressure roller and the pressure plate, further prevent the cloth from being pulled apart after the cloth is pulled apart during the movement of the cloth, and the airflow blows to reduce the temperature of the cut cloth part, and the airflow blows to reduce the temperature of the cut cloth part. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is the overall structure of the embodiment of the application;

[0028] Figure 2 is the structure diagram of the connection between the threaded rod and the power motor in the embodiment of the application;

[0029] Figure 3 is the structure diagram of the connection between the soft belt and the side pressure head in the embodiment of the application;

[0030] Figure 4 is the structure diagram of the connection between the telescopic rib shaft and the cloth soft strip in the embodiment of the application;

[0031] Figure 5 is the structure diagram of the connection between the cloth winding wheel and the soft belt in the embodiment of the application;

[0032] Figure 6 is the structure diagram of the connection between the opening cylinder and the air cylinder in the embodiment of the application;

[0033] Figure 7 is the structure diagram of the connection between the connecting frame and the pressure roller in the embodiment of the application;

[0034] Figure 8 is the structure diagram of the connection between the connecting frame and the pressure roller in the embodiment of the application; Figure 7 is the enlarged structure diagram of the structure at A in the embodiment of the application;

[0035] Figure 9 is the side view of part of the structure in the embodiment of the application.

[0036] Reference numerals: 1. Placement platform; 2. Heat treatment laser head; 3. Connecting frame; 4. Horizontal frame; 5. Control structure; 51. Threaded rod; 52. Power motor; 6. Pressing structure; 61. Pressing plate; 62. Pressing roller; 63. Soft belt; 64. Cloth winding wheel; 65. Gear plate combination structure; 651. Gear; 652. Toothed plate; 653. Elastic misalignment structure; 6531. External toothed wheel; 6532. Elastic plate; 66. Vertical plate; 67. Side pressure head; 68. Horizontal elastic telescopic rod; 7. Vertical ridge rod; 8. Telescopic ridge shaft; 9. Bent rod; 91. Horizontal ridge rod; 10. Soft strip for separating cloth; 11. Electric telescopic rod; 12. Opening cylinder; 13. Air cylinder; 14. Ventilation groove; 15. Air pump; 16. Swing motor. Detailed Implementation

[0037] The following is in conjunction with the appendix Figures 1-9 The present invention will be described in further detail below.

[0038] This invention discloses a laser heat treatment trimming device for fabrics. For example... Figures 1-9 As shown, it includes a placement platform 1 and a heat treatment laser head 2. The heat treatment laser head 2 can generate laser to cut the fabric on the lower side. The heat treatment laser head 2 is equipped with a connecting frame 3. A horizontal frame 4 is provided on the upper side of the placement platform 1. An electric telescopic rod 11 is installed on the bottom surface of the horizontal frame 4. The other end of the electric telescopic rod 11 is fixed to the placement platform 1. The electric telescopic rod 11 can control the horizontal frame 4 to move up and down by telescoping. A plate-like structure that can move up and down to press the back of the fabric is installed on the rear side of the placement platform 1, which effectively prevents the rear end of the fabric from shifting.

[0039] A control structure 5 is installed inside the horizontal frame 4 to control the horizontal movement of the connecting frame 3. The control structure 5 has the tendency to control the connecting frame 3 to move left and right inside the horizontal frame 4.

[0040] The control structure 5 includes a threaded rod 51 and a power motor 52. The power motor 52 is fixed to the horizontal frame 4. The bottom of the horizontal frame 4 is concave. The upper end of the connecting frame 3 is slidably inserted into the concave structure of the horizontal frame 4. The two ends of the threaded rod 51 rotate through the inner walls of the concave structure of the horizontal frame 4 on the left and right sides respectively. The threaded rod 51 is fixed to the output end of the power motor 52. The power motor 52 and the threaded rod 51 are connected by a coupling. The upper end of the connecting frame 3 is threaded onto the outer surface of the threaded rod 51. The connecting frame 3 moves within the horizontal frame 4 by meshing with the rotating threaded rod 51. When the connecting frame 3 moves within the horizontal frame 4, it can drive the heat treatment laser head 2 to move and cut relative to the fabric. By controlling the forward and reverse rotation of the power motor 52, it can drive the threaded rod 51 to rotate forward and reverse, and it can control the left and right movement of the connecting frame 3.

[0041] The lower end of the connecting frame 3 is equipped with a fabric pressing structure 6. As the connecting frame 3 moves downward with the horizontal frame 4, it can drive the fabric pressing structure 6 to press the fabric placed on the placement platform 1.

[0042] The cloth pressing structure 6 comprises a pressing plate 61, the lower end of the connecting frame 3 is fixed with the pressing plate 61, the lower end of the connecting frame 3 is rotatably installed on the left side of the pressing plate 61, and the pressing wheel 62 is rotatably installed on the left side of the pressing plate 61, when the pressing wheel 62 moves to press the cloth, the pressing wheel 62 rotates synchronously, the soft belt 63 is arranged between the pressing wheel 62 and the pressing plate 61, the bottom surface of the soft belt 63 is tangent to the lower side of the pressing wheel 62, the pressing plate 61 is located on the upper side of the soft belt 63, when the connecting frame 3 moves downward with the horizontal frame 4 to press the cloth with the pressing wheel 62, the pressing plate 61 presses the upper side of the cloth through the soft belt 63, the connecting frame 3 is provided with a cloth winding wheel 64 which winds the soft belt 63, the other end of the soft belt 63 is connected with the horizontal frame 4, and the heat treatment laser head 2 is located on the front side of the soft belt 63, so that the heat treatment laser head 2 laser cuts the front side of the cloth pressed by the soft belt 63.

[0043] The soft belt 63 and the horizontal frame 4 are fixed through the vertical plate 66, the outer surface of the soft belt 63 is slidably sleeved with the side pressing head 67, one end of the side pressing head 67 close to the vertical plate 66 is annular, the annular part of the side pressing head 67 is located on the right side of the placing table 1, the part of the side pressing head 67 located on the upper side of the placing table 1 is horizontal, the horizontal bottom surface of the side pressing head 67 is flush with the bottom surface of the pressing plate 61, the horizontal end of the side pressing head 67 is located on the upper side of the soft belt 63, when the pressing plate 61 presses the cloth through the soft belt 63, the side pressing head 67 simultaneously presses the right side of the cloth, so that the cloth is prevented from deviating during cutting, the upper end of the side pressing head 67 is fixed with the horizontal elastic telescopic rod 68, the other end of the horizontal elastic telescopic rod 68 penetrates through the side surface of the vertical plate 66, the horizontal elastic telescopic rod 68 has a tendency to push the side pressing head 67 close to the placing table 1, the annular part of the side pressing head 67 is located on the outside of the placing table 1, so that the horizontal end of the side pressing head 67 can fully contact with the cloth, when the pressing plate 61 moves to the right and contacts with the side pressing head 67, the side pressing head 67 is gradually pushed to move out of the placing table 1.

[0044] The vertical edge rod 7 is installed on the right side of the placing table 1, the telescopic edge shaft 8 is arranged on the front side of the placing table 1, the lower telescopic end of the telescopic edge shaft 8 is rotatably connected with the bent rod 9, the upper telescopic end of the telescopic edge shaft 8 is rotatably connected with the connecting frame 3, the connecting frame 3 drives the telescopic edge shaft 8 to synchronously move when moving, the telescopic edge shaft 8 is synchronously telescoped when the connecting frame 3 moves up and down with the horizontal frame 4, the rear end of the cloth winding wheel 64 and the upper end of the telescopic edge shaft 8 are both connected with the horizontal frame 4 through the gear plate combination structure 65.

[0045] The bent rod 9 is transversely slidably connected with the bottom surface of the placing table 1, the bent rod 9 is connected with the bottom surface of the placing table 1 through the horizontal edge rod 91, the both ends of the horizontal edge rod 91 are fixed with the bottom surface of the placing table 1, the bent rod 9 is slidably sleeved on the outer surface of the horizontal edge rod 91, the bent rod 9 is slid on the surface of the horizontal edge rod 91 through the telescopic edge shaft 8 when the connecting frame 3 moves horizontally and transversely.

[0046] The gear plate combination structure 65 comprises a gear 651 and a tooth plate 652, the gear 651 is engaged with the tooth plate 652, the tooth plate 652 is fixed with the horizontal frame 4, the telescopic edge shaft 8 and the winding roller 64 are respectively connected with the adjacent gear 651 through the elastic misplacement structure 653, when the connecting frame 3 moves horizontally and transversely, the gear 651 is driven to rotate after being engaged with the tooth plate 652, then the two gears 651 drive the telescopic edge shaft 8 and the winding roller 64 to rotate through the corresponding elastic misplacement structure 653.

[0047] The elastic misplacement structure 653 comprises an outer tooth groove wheel 6531, the outer tooth groove wheel 6531 is coaxially inserted into the inner side of the adjacent gear 651, the outer ring surface of the outer tooth groove wheel 6531 is provided with a plurality of groove-shaped structures, a plurality of elastic plates 6532 are fixed on the inner ring surface of the gear 651, the elastic plates 6532 can be elastically bent after being subjected to a large tension, the other end of the elastic plates 6532 is engaged with the outer ring surface of the outer tooth groove wheel 6531, the gear 651 can drive the engaged outer tooth groove wheel 6531 to rotate through the elastic plates 6532, the outer diameter of the outer tooth groove wheel 6531 is smaller than the inner diameter of the gear 651, so that the elastic plates 6532 have space to be separated from the groove structure of the outer tooth groove wheel 6531 after being bent, the extension line of the elastic plates 6532 coincides with the axis of the matched outer tooth groove wheel 6531, and the plurality of elastic plates 6532 on the inner side of the gear 651 are evenly distributed in the circumferential array of the axis of the gear 651.

[0048] The pressing structure 6 is provided with a plurality of cloth separating soft strips 10 on the rear side, when multiple layers of cloth are placed, the multiple layers of cloth and the plurality of cloth separating soft strips 10 are alternately placed, so that the cloth separating soft strips 10 exist between the adjacent two layers of cloth.

[0049] The telescopic edge shaft 8 and the winding roller 64 are respectively and transversely connected with the adjacent gear 651, the telescopic edge shaft 8 and the winding roller 64 are coaxially fixed with the adjacent outer tooth groove wheel 6531, when the gear 651 rotates, the connected telescopic edge shaft 8 and winding roller 64 are respectively driven to rotate through the corresponding elastic plates 6532 and the outer tooth groove wheel 6531, when the soft belt 63 and the cloth separating soft strip 10 are taut, when the gear 651 rotates, the elastic plates 6532 are misaligned with the groove-shaped structure of the outer tooth groove wheel 6531 through bending deformation.

[0050] When the connecting frame 3 moves to the right, the pressing plate 61 and the pressing roller 62 are driven to move, at the same time, the winding roller 64 winds the soft belt 63, so that the soft belt 63 is always in a taut state, when the pressing plate 61 moves, the soft belt 63 slides on the upper surface of the soft belt 63, so that the pressing position of the soft belt 63 is constantly changed when the pressing plate 61 moves, at the same time, the soft belt 63 is prevented from being deviated from the cloth, so that the cloth is prevented from being wrinkled.

[0051] When the pressing roller 62 and the pressing plate 61 move to the right, the cloth separating soft strip 10 moves to the right from the left side of the pressing roller 62 under the drive of the telescopic edge shaft 8, and the cloth separating soft strip 10 moves and bends to pull apart the part cut by laser between the multiple layers of cloth.

[0052] The left side of the bending rod 9 is fixed with an open cylinder 12, which is located on the left side of the cloth soft strip 10 and on the upper side of the placing table 1, and the rear side of the open cylinder 12 is open.

[0053] The cloth soft strip 10 is located on the rear side of the soft belt 63, and the two ends of the cloth soft strip 10 are respectively slidably sleeved on the outer surfaces of the vertical edge rod 7 and the telescopic edge shaft 8. When the telescopic edge shaft 8 rotates, it can wind the cloth soft strip 10 to make the cloth soft strip 10 in a taut state, so as to ensure that the telescopic edge shaft 8 can timely pull the cloth soft strip 10 when moving. The left end of the cloth soft strip 10 is located on the left side of the press wheel 62.

[0054] The inner side of the open cylinder 12 is rotatably inserted with an air cylinder 13, one end of the air cylinder 13 is communicated with a gas pump 15, and a plurality of air permeation grooves 14 are formed on the outer ring surface of the air cylinder 13. The gas pump 15 fills air into the air cylinder 13, and then the gas in the air cylinder 13 is sprayed out from the air permeation grooves 14. The opening of the open cylinder 12 faces the cloth, so that only the air permeation grooves 14 facing the cloth can spray out air flow. The sprayed air flow blows the cut cloth part, so that the cloth is separated from the part pressed by the press wheel 62 and the press plate 61, further prevents the cloth from being torn and then adhered again during the movement of the cloth soft strip 10, and the blowing of the air flow reduces the temperature of the cut cloth part and rapidly cools the cut cloth part.

[0055] The plurality of air permeation grooves 14 are evenly distributed in a circumferential array around the axis of the air cylinder 13. The end surface of the open cylinder 12 is fixed with an oscillating motor 16 at the axis, the air cylinder 13 is coaxially connected with the output end of the oscillating motor 16, and the air cylinder 13 is connected with the output end of the oscillating motor 16 through a shaft coupling. The oscillating motor 16 drives the air cylinder 13 to reciprocatingly twist, so that the angle of the air flow blown out of the air permeation grooves 14 is constantly changed, and the blown air flow can blow up the cloth at different heights.

[0056] Bearings are installed between the structures of the rod-shaped structure rotating installation in the present application file, which are used to reduce the loss when the structure rotates.

[0057] The working principle is as follows: a plurality of cloth to be trimmed and a plurality of cloth soft strips 10 are alternately placed, and the cloth is located on the lower side of the cloth pressing structure 6. The electric telescopic rod 11 drives the cloth pressing structure 6 to move downward through the horizontal frame 4 and the connecting frame 3 to press the rear side of the cloth to be cut. Then, when the connecting frame 3 is controlled to move horizontally to drive the heat treatment laser head 2 to move and cut, the cloth pressing structure 6 moves synchronously with the heat treatment laser head 2, so that the cut part of the cloth is separated from the pressing of the cloth pressing structure 6. At the same time, the telescopic edge shaft 8 moves with the connecting frame 3, and the telescopic edge shaft 8 pulls the cloth soft strip 10 to move at the cloth cutting position on one side of the press wheel 62, so as to separate the cut parts of the multiple layers of cloth, preventing the cut parts of the multiple layers of cloth from being adhered together after being melted by heat treatment laser cutting.

[0058] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A laser heat treatment trimming device for fabrics, comprising a placement stage (1) and a heat treatment laser head (2), characterized in that: The heat treatment laser head (2) is equipped with a connecting frame (3), a horizontal frame (4) is provided on the upper side of the placement platform (1), an electric telescopic rod (11) is installed on the bottom surface of the horizontal frame (4), the other end of the electric telescopic rod (11) is fixed to the placement platform (1), and a control structure (5) for controlling the horizontal movement of the connecting frame (3) is installed inside the horizontal frame (4). The lower end of the connecting frame (3) is equipped with a fabric pressing structure (6); A vertical rib rod (7) is installed on the right side of the placement platform (1), and a telescopic rib shaft (8) is provided on the front side of the placement platform (1). A bent rod (9) is rotatably connected to the lower telescopic end of the telescopic rib shaft (8). The upper telescopic end of the telescopic rib shaft (8) is rotatably connected to the connecting frame (3), and the bent rod (9) is laterally slidably connected to the bottom surface of the placement platform (1). The back of the pressing structure (6) is provided with multiple spacer strips (10), and the two ends of the spacer strips (10) are respectively slidably sleeved on the outer surfaces of the upright rod (7) and the telescopic shaft (8); The pressing structure (6) includes a pressing plate (61), the lower end of the connecting frame (3) is fixed to the pressing plate (61), the lower end of the connecting frame (3) is rotatably installed on the left side of the pressing plate (61) and a soft belt (63) is provided between the pressing wheel (62) and the pressing plate (61). The connecting frame (3) is equipped with a wrapping wheel (64) for winding the soft belt (63), the other end of the soft belt (63) is connected to the cross frame (4), and the heat treatment laser head (2) is located in front of the soft belt (63). The rear end of the wrapping wheel (64) and the horizontal frame (4) and the upper end of the telescopic shaft (8) and the horizontal frame (4) are both connected by a gear plate assembly structure (65); The soft strip (63) and the horizontal frame (4) are fixed by the upright plate (66). The outer surface of the soft strip (63) is slidably sleeved with a side pressure head (67). The side pressure head (67) is ring-shaped at one end near the upright plate (66), and the ring part of the side pressure head (67) is located on the right side of the placement platform (1). The side pressure head (67) is horizontal on the upper side of the placement platform (1). The horizontal bottom surface of the side pressure head (67) is flush with the bottom surface of the pressure plate (61). The horizontal end of the side pressure head (67) is located on the upper side of the soft belt (63). A horizontal elastic telescopic rod (68) is fixed at the upper end of the side pressure head (67). The other end of the horizontal elastic telescopic rod (68) passes through the side of the upright plate (66).

2. The laser heat treatment trimming device for fabrics according to claim 1, characterized in that: The control structure (5) includes a threaded rod (51) and a power motor (52). The power motor (52) is fixed to the cross frame (4). The bottom of the cross frame (4) is concave. The upper end of the connecting bracket (3) is slidably inserted into the concave structure of the cross frame (4). The two ends of the threaded rod (51) rotate through the inner walls of the concave structure of the horizontal frame (4) on the left and right sides respectively. The threaded rod (51) is fixed to the output end of the power motor (52), and the upper end of the connecting frame (3) is threaded onto the outer surface of the threaded rod (51).

3. The laser heat treatment trimming device for fabrics according to claim 1, characterized in that: The gear plate assembly structure (65) includes a gear (651) and a toothed plate (652). The gear (651) meshes with the toothed plate (652), the toothed plate (652) is fixed to the cross frame (4), and the telescopic shaft (8) and the wrapping wheel (64) are connected to the adjacent gear (651) through an elastic misalignment structure (653).

4. The laser heat treatment trimming device for fabrics according to claim 3, characterized in that: The elastic misalignment structure (653) includes an external toothed groove wheel (6531), which is coaxially rotatably inserted into the inner side of an adjacent gear (651). The outer ring surface of the external toothed groove wheel (6531) has multiple groove-shaped structures. Multiple elastic plates (6532) are fixed on the inner ring surface of the gear (651). The other end of the elastic plate (6532) meshes with the outer ring surface of the external toothed groove wheel (6531). The outer diameter of the external toothed groove wheel (6531) is smaller than the inner diameter of the gear (651). The telescopic prism shaft (8) and the cloth winding wheel (64) are rotatably connected to the adjacent gear (651), and the telescopic prism shaft (8) and the cloth winding wheel (64) are coaxially fixed to the adjacent external toothed groove wheel (6531).

5. The laser heat treatment trimming device for fabrics according to claim 4, characterized in that: The extension line of the elastic plate (6532) coincides with the axis of the mating external toothed gear (6531), and the multiple elastic plates (6532) on the inner side of the gear (651) are evenly distributed in a circumferential array around the axis of the gear (651).

6. The laser heat treatment trimming device for fabrics according to claim 5, characterized in that: An open tube (12) is fixed on the left side of the bent rod (9). The open tube (12) is located on the left side of the diaphragm strip (10). The open tube (12) is located on the upper side of the placement platform (1). The rear side of the open tube (12) is open. An air cylinder (13) is rotatably inserted into the inner side of the open cylinder (12). An air pump (15) is connected to one end of the air cylinder (13). Multiple air vents (14) are opened on the outer ring surface of the air cylinder (13). Multiple ventilation slots (14) are evenly distributed in a circular array around the axis of the air cylinder (13). A swing motor (16) is fixed at the axis of the end face of the open cylinder (12). The air cylinder (13) and the output end of the swing motor (16) are coaxially connected.

7. The laser heat treatment trimming device for fabrics according to claim 1, characterized in that: The bent rod (9) is connected to the bottom surface of the placement platform (1) by a horizontal rib (91). The two ends of the horizontal rib (91) are fixed to the bottom surface of the placement platform (1), and the bent rod (9) is slidably sleeved on the outer surface of the horizontal rib (91).

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