Positioning device for trousers waistband tailoring

Abstract

The invention relates to the technical field of tailoring positioning devices, in particular to a positioning device for trouser waistband tailoring, which can automatically flatten, compress and position cloth, reduce labor intensity and improve working efficiency. Comprising a platform; the device further comprises a pressing strip, two first synchronous wheels, a first synchronous belt, two second synchronous wheels, a second synchronous belt, a push rod and a pressing plate, the pressing strip is rotationally installed at the right end of the upper end face of the platform and used for pressing the right end of cloth, the two first synchronous wheels are rotationally installed at the front end of the platform, and the first synchronous belt is arranged on the two first synchronous wheels in a sleeving mode. The two second synchronous wheels are rotationally installed at the rear end of the platform, the two second synchronous wheels are sleeved with the second synchronous belt, the first synchronous belt and the second synchronous belt are oppositely arranged front and back, the front end and the rear end of the push rod are rotationally connected with the first synchronous belt and the second synchronous belt through connecting assemblies respectively, the pressing plate is installed on the side wall of the push rod, and the lower end of the pressing plate extends out of the left side of the push rod. The pressing plate and the pressing strip are arranged in parallel.

Description

Technical Field

[0001] The invention relates to the technical field of cutting positioning devices, in particular to a positioning device for cutting trouser waistbands. Background Art

[0002] When cutting the waistband of pants, the fabric needs to be positioned, and a positioning device is needed at this time. For example, a positioning device for cutting the waistband of pants proposed in the Chinese invention patent with publication number CN220057442U includes a main body mechanism, a movable mechanism, a fixed mechanism and a support mechanism. The movable mechanism is located at the lower end of the main body mechanism, the fixed mechanism is located at the lower end of the movable mechanism, and the support mechanism is located at the lower end of the fixed mechanism. The main body mechanism includes a movable block, a fixed block, a connecting shaft, a positioning part, an electric push rod 1, an electric push rod 1 and a fixed rubber block. The fixed block is fixedly installed at the upper end of the movable block, and the connecting shaft is fixedly installed at the right end of the fixed block. The positioning device for cutting the waistband of pants improves the multi-stage screening structure of the waistband positioning device of pants by improving and installing the main body mechanism. In the actual use of the waistband positioning device of pants, the waistband of pants can be quickly and effectively fixed and positioned as needed.

[0003] However, the above positioning device cannot automatically lay the fabric flat when positioning the fabric of the trouser waistband, and the fabric needs to be laid flat on the work platform manually, resulting in high labor intensity and low work efficiency. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a positioning device for cutting the waistband of trousers, which can automatically flatten and press the positioning cloth, reduce labor intensity and improve work efficiency.

[0005] The positioning device for cutting the waistband of trousers of the present invention comprises a platform; a pressure strip, two synchronous wheels 1, a synchronous belt 1, two synchronous wheels 2, a synchronous belt 2, a push rod and a pressing plate. The pressure strip is rotatably mounted on the right end of the upper end surface of the platform, the pressure strip is used to press the right end of the cloth, the two synchronous wheels 1 are rotatably mounted on the front end of the platform, the synchronous belt 1 is sleeved on the two synchronous wheels 1, the two synchronous wheels 2 are rotatably mounted on the rear end of the platform, the synchronous belt 2 is sleeved on the two synchronous wheels 2, the synchronous belt 1 and the synchronous belt 2 are arranged front and back relative to each other, the front and rear ends of the push rod are rotatably connected with the synchronous belt 1 and the synchronous belt 2 respectively through a connecting assembly, the pressing plate is mounted on the side wall of the push rod, the lower end of the pressing plate extends out of the left side of the push rod, and the pressing plate is arranged parallel to the pressure strip; when working, The cloth is placed on the platform, and the pressure strip is rotated so that the protrusion of the pressure strip cooperates with the platform to press the right end of the cloth, and the two synchronous wheels 1 and the two synchronous wheels 2 rotate synchronously, driving the synchronous belt 1 and the synchronous belt 2 to rotate synchronously, and the synchronous belt 1 and the synchronous belt 2 drive the push rod to reach the right end of the platform, and the synchronous belt 1 and the synchronous belt 2 rotate synchronously again, and the push rod is driven to move to the left through two connecting components, and the push rod drives the pressing plate to move to the left. At this time, the lower end of the pressing plate contacts the upper end surface of the cloth, and the pressing plate pushes the cloth flat on the platform during the movement to the left. When the pressing plate reaches the left end of the platform, the pressing plate presses the left end of the cloth, so that the pressing plate and the pressure strip cooperate to position the cloth, and can automatically flatten and press the positioned cloth, thereby reducing labor intensity and improving work efficiency.

[0006] Preferably, it also includes two blocks and two protruding rods, the two blocks are installed at the left end of the platform, and the protruding rods are installed on the two blocks, and the two protruding rods are aligned with the left end surface of the pressing plate; when the push rod and the pressing plate reach the left end of the platform, the inclined left end of the pressing plate is pressed by the two protruding rods, so that the lower end of the pressing plate presses the cloth more stably and reliably.

[0007] Preferably, the connecting component includes two electromagnetic blocks 1, two adsorption blocks, two torsion springs and two electromagnetic blocks 2. The two electromagnetic blocks 1 are relatively installed on the synchronous belt 1 and the synchronous belt 2. The two adsorption blocks are respectively adsorbed on the two electromagnetic blocks 1. The two ends of the push rod are respectively rotatably connected with the two adsorption blocks. One end of the two torsion springs is connected to the push rod. The two torsion springs are respectively connected to the two adsorption blocks. The two electromagnetic blocks 2 are respectively installed on the two stop blocks. The two electromagnetic blocks 2 are respectively aligned with the two adsorption blocks. The two electromagnetic blocks 1 adsorb the two adsorption blocks respectively, so that the two adsorption blocks are driven to move synchronously when the synchronous belt 1 and the synchronous belt 2 rotate, so that the two adsorption blocks drive the push rod and the pressure plate to move left and right. The elastic force of the two torsion springs keeps the lower end of the pressure plate pressing on the cloth. When the push rod and the pressure plate reach the left end of the platform, the two electromagnetic blocks 2 adsorb the two adsorption blocks respectively, and at the same time, the two electromagnetic blocks 1 release the two adsorption blocks respectively. At this time, the synchronous belt 1 and the synchronous belt 2 can move freely, which is practical.

[0008] Preferably, it also includes a push rod, which is installed at the right end of the platform, and the left end of the push rod is aligned with the right end surface of the pressing plate; when the push rod and the pressing plate move to the right end of the platform, the push rod presses against the pressing plate, and the push rod and the pressing plate continue to move to the right, so that the push rod props up the pressing plate, so that the lower end of the pressing plate is separated from the cloth, and the cut cloth is removed, which has good practicality.

[0009] Preferably, it also includes a pressing groove, a pressing groove is set at the right end of the upper end surface of the platform, the pressing groove is located below the pressure strip, and the pressing groove is used to receive the protruding part of the pressure strip; by providing the pressing groove to receive the pressure strip, the pressing effect of the pressure strip on the cloth is improved.

[0010] Preferably, it also includes a private service motor 1, a private service motor 2, an electric turntable 1, a laser head 1, an electric turntable 2 and a laser head 2, the private service motor 1 is installed on the platform, the output shaft of the private service motor 1 is connected to the synchronous wheel 1, the private service motor 2 is installed on the platform, the output shaft of the private service motor 2 is connected to the synchronous wheel 2, the electric turntable 1 is installed on the synchronous belt 1, the laser head 1 is installed on the rotating end of the electric turntable 1, the electric turntable 2 is installed on the synchronous belt 2, and the laser head 2 is installed on the rotating end of the electric turntable 2; the private service motor 1 and the private service motor 2 respectively drive the synchronous wheel 1 and the synchronous wheel 2 to rotate, so that the synchronous belt 1 and the synchronous belt 2 can The electric turntable 1 and the laser head 1 can rotate independently. After the two adsorption blocks are adsorbed by the two convex rods, the synchronous belt 1 and the synchronous belt 2 rotate independently, so that the electric turntable 1, the laser head 1, the electric turntable 2 and the laser head 2 move to the upper end surface of the platform. The electric turntable 1 and the laser head 2 emit laser beams to the cloth, so that the two laser beams draw lines on the cloth. The electric turntable 1 drives the laser head 1 to rotate, and the electric turntable 2 drives the laser head 2 to rotate, adjust the angles of the two laser beams, and assist the staff to draw straight cutting lines on the cloth. The point where the two laser beams intersect is the node of the cutting curve. By connecting multiple nodes, it is possible to assist in drawing the cutting curve and improve the efficiency of cutting positioning.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: when working, the cloth is placed on the platform, and the pressure strip is rotated so that the protruding part of the pressure strip cooperates with the platform to press the right end of the cloth, the two synchronous wheels one and the two synchronous wheels two rotate synchronously, driving the synchronous belt one and the synchronous belt two to rotate synchronously, and the synchronous belt one and the synchronous belt two drive the push rod to reach the right end of the platform, and the synchronous belt one and the synchronous belt two rotate synchronously again, and the push rod is driven to move to the left through the two connecting components, and the push rod drives the pressing plate to move to the left. At this time, the lower end of the pressing plate contacts the upper end surface of the cloth, and the pressing plate pushes the cloth flat on the platform during the movement to the left. When the pressing plate reaches the left end of the platform, the pressing plate presses the left end of the cloth, so that the pressing plate and the pressure strip cooperate to position the cloth, and can automatically flatten and press the positioned cloth, thereby reducing labor intensity and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0013] Figure 2 It is a structural schematic diagram of the present invention when performing marking positioning;

[0014] Figure 3 It is a schematic diagram of the structure of the platform and layering;

[0015] Figure 4 It is a structural schematic diagram of a synchronous wheel 1, a synchronous belt 1, a synchronous wheel 2, a synchronous belt 2, a push rod and a pressure plate;

[0016] Figure 5 It is a schematic diagram of the structure of the push rod, the pressure plate, the stopper, the convex rod and the ejector rod;

[0017] Figure 6 yes Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.

[0018] Markings in the attached figure: 1. platform; 2. pressure strip; 3. synchronous wheel 1; 4. synchronous belt 1; 5. synchronous wheel 2; 6. synchronous belt 2; 7. push rod; 8. pressure plate; 9. block; 10. convex rod; 11. electromagnetic block 1; 12. adsorption block; 13. torsion spring; 14. electromagnetic block 2; 15. push rod; 16. pressure groove; 17. private service motor 1; 18. private service motor 2; 19. electric turntable 1; 20. laser head 1; 21. electric turntable 2; 22. laser head 2. DETAILED DESCRIPTION

[0019] In order to facilitate understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0020] Example 1

[0021] like Figures 1 to 5As shown, a positioning device for cutting the waistband of trousers includes a platform 1; a pressure strip 2, two synchronous wheels 1 3, a synchronous belt 1 4, two synchronous wheels 2 5, a synchronous belt 2 6, a push rod 7 and a pressing plate 8. The pressure strip 2 is rotatably mounted on the right end of the upper end surface of the platform 1. The pressure strip 2 is used to press the right end of the cloth. The two synchronous wheels 1 3 are rotatably mounted on the front end of the platform 1. The synchronous belt 1 4 is mounted on the two synchronous wheels 1 3. The two synchronous wheels 2 5 are rotatably mounted on the rear end of the platform 1. The synchronous belt 2 6 is mounted on the two synchronous wheels 2 5. The synchronous belt 1 4 and the synchronous belt 2 6 are arranged front and back relative to each other. The front and rear ends of the push rod 7 are respectively connected to the synchronous belt 1 4 and the synchronous belt 2 6. The two 6 are rotatably connected through a connecting assembly, and the pressing plate 8 is installed on the side wall of the push rod 7. The lower end of the pressing plate 8 extends out of the left side of the push rod 7, and the pressing plate 8 is arranged in parallel with the pressure strip 2; it also includes two blocks 9 and two convex rods 10, the two blocks 9 are installed at the left end of the platform 1, and the convex rods 10 are installed on the two block blocks 9. The two convex rods 10 are aligned with the left end surface of the pressing plate 8, and also include a push rod 15, which is installed at the right end of the platform 1, and the left end of the push rod 15 is aligned with the right end surface of the pressing plate 8; it also includes a pressing groove 16, and the pressing groove 16 is set at the right end of the upper end surface of the platform 1. The pressing groove 16 is located below the pressure strip 2, and the pressing groove 16 is used to receive the protruding part of the pressure strip 2.

[0022] During operation, the fabric is placed on the platform 1, and the pressure strip 2 is rotated so that the protruding part of the pressure strip 2 cooperates with the platform 1 to press the right end of the fabric. The pressure groove 16 is provided to receive the pressure strip 2 to improve the pressing effect of the pressure strip 2 on the fabric. The two synchronous wheels 1 3 and the two synchronous wheels 2 5 rotate synchronously, driving the synchronous belt 1 4 and the synchronous belt 2 6 to rotate synchronously. The synchronous belt 1 4 and the synchronous belt 2 6 drive the push rod 7 to reach the right end of the platform 1. The synchronous belt 1 4 and the synchronous belt 2 6 rotate synchronously again, and drive the push rod 7 to reach the right end of the platform 1 through the two connecting components. The push rod 7 moves to the left, and the push rod 7 drives the pressing plate 8 to move to the left. At this time, the lower end of the pressing plate 8 contacts the upper end surface of the cloth. The pressing plate 8 pushes the cloth flat on the platform 1 during the movement to the left. When the pressing plate 8 reaches the left end of the platform 1, the inclined left end of the pressing plate 8 is pressed by the two protruding rods 10, so that the lower end of the pressing plate 8 presses the cloth more stably and reliably, so that the pressing plate 8 and the pressure strip 2 cooperate to position the cloth, and can automatically flatten and press the positioned cloth, thereby reducing labor intensity and improving work efficiency.

[0023] When the push rod 7 and the pressing plate 8 move to the right end of the platform 1, the push rod 15 presses against the pressing plate 8, and the push rod 7 and the pressing plate 8 continue to move to the right, so that the push rod 15 props up the pressing plate 8, so that the lower end of the pressing plate 8 is separated from the cloth, making it convenient to remove the cut cloth.

[0024] Example 2

[0025] like Figure 1 , Figure 2 and Figure 4As shown, on the basis of Example 1, the connection assembly includes two electromagnetic blocks 11, two adsorption blocks 12, two torsion springs 13 and two electromagnetic blocks 14, the two electromagnetic blocks 11 are relatively installed on the synchronous belt 1 4 and the synchronous belt 2 6, the two adsorption blocks 12 are respectively adsorbed on the two electromagnetic blocks 11, the two ends of the push rod 7 are respectively connected to the two adsorption blocks 12, one end of the two torsion springs 13 is connected to the push rod 7, the two torsion springs 13 are respectively connected to the two adsorption blocks 12, the two electromagnetic blocks 14 are respectively installed on the two stoppers 9, and the two electromagnetic blocks 14 are respectively aligned with the two adsorption blocks 12;

[0026] The two electromagnetic blocks 11 adsorb the two adsorption blocks 12 respectively, so that when the synchronous belt 1 4 and the synchronous belt 2 6 rotate, the two adsorption blocks 12 are driven to move synchronously, so that the two adsorption blocks 12 drive the push rod 7 and the pressure plate 8 to move left and right, and the elastic force of the two torsion springs 13 enables the lower end of the pressure plate 8 to maintain the pressing force on the cloth. When the push rod 7 and the pressure plate 8 reach the left end of the platform 1, the two electromagnetic blocks 2 14 adsorb the two adsorption blocks 12 respectively, and at the same time, the two electromagnetic blocks 11 release the two adsorption blocks 12 respectively. At this time, the synchronous belt 1 4 and the synchronous belt 2 6 can move freely.

[0027] Example 3

[0028] like Figure 1 , Figure 2 , Figure 4 and Figure 6As shown, on the basis of Example 2, it also includes a private service motor 17, a private service motor 18, an electric turntable 19, a laser head 20, an electric turntable 21 and a laser head 22, the private service motor 17 is installed on the platform 1, the output shaft of the private service motor 17 is connected to the synchronous wheel 3, the private service motor 18 is installed on the platform 1, the output shaft of the private service motor 18 is connected to the synchronous wheel 25, the electric turntable 19 is installed on the synchronous belt 4, the laser head 20 is installed on the rotating end of the electric turntable 19, the electric turntable 21 is installed on the synchronous belt 26, and the laser head 22 is installed on the rotating end of the electric turntable 21; the private service motor 17 and the private service motor 218 respectively drive the synchronous wheel 3 and the synchronous wheel 25 to rotate, The synchronous belt 1 4 and the synchronous belt 2 6 can rotate independently. After the two adsorption blocks 12 are adsorbed by the two convex rods 10, the synchronous belt 1 4 and the synchronous belt 2 6 rotate independently, so that the electric turntable 1 19, the laser head 1 20, the electric turntable 2 21 and the laser head 2 22 move to the upper end surface of the platform 1, and the electric turntable 1 19 and the laser head 2 22 emit laser beams to the cloth, so that the two laser beams draw lines on the cloth. The electric turntable 1 19 drives the laser head 1 20 to rotate, and the electric turntable 2 21 drives the laser head 2 22 to rotate, and adjusts the angles of the two laser beams to assist the staff in drawing cutting straight lines on the cloth. The point where the two laser beams intersect is the node of the cutting curve. By connecting multiple nodes, it is possible to assist in drawing the cutting curve, thereby improving the cutting positioning efficiency.

[0029] like Figures 1 to 6As shown, a positioning device for cutting the waistband of trousers of the present invention, when it is working, first the cloth is placed on the platform 1, the pressure strip 2 is rotated, so that the protrusion of the pressure strip 2 cooperates with the platform 1 to press the right end of the cloth in the pressing groove 16, and the private service motor 17 and the private service motor 2 18 drive the two synchronous wheels 1 3 and the two synchronous wheels 2 5 to rotate synchronously, drive the synchronous belt 1 4 and the synchronous belt 2 6 to rotate synchronously, and the synchronous belt 1 4 and the synchronous belt 2 6 drive the push rod 7 to reach the right end of the platform 1, and then the synchronous belt 1 4 and the synchronous belt 2 6 rotate synchronously again, and the push rod 7 is driven to move to the left by the two adsorption blocks 12, and the push rod 7 drives the pressing plate 8 to move to the left. At this time, the lower end of the pressing plate 8 contacts the upper end surface of the cloth, and the pressing plate 8 pushes the cloth flat on the platform 1 during the process of moving to the left, and then when the pressing plate 8 reaches the left end of the platform 1, the inclined left end of the pressing plate 8 is pressed by the two convex rods 10, so that the lower end of the pressing plate 8 is The cloth pressing is more stable and reliable, the private service motor 17 and the private service motor 2 18 respectively drive the synchronous wheel 1 3 and the synchronous wheel 2 5 to rotate, so that the synchronous belt 1 4 and the synchronous belt 2 6 can rotate independently, and after the two adsorption blocks 12 are adsorbed by the two electromagnetic blocks 2 14, the synchronous belt 1 4 and the synchronous belt 2 6 rotate independently, so that the electric turntable 1 19, the laser head 1 20, the electric turntable 2 21 and the laser head 2 22 move to the upper end surface of the platform 1, and finally the electric turntable 1 19 and the laser head 2 22 emit laser beams to the cloth, so that the two laser beams draw lines on the cloth, the electric turntable 1 19 drives the laser head 1 20 to rotate, and the electric turntable 2 21 drives the laser head 2 22 to rotate, adjust the angles of the two laser beams, and assist the staff to draw cutting straight lines on the cloth. The point where the two laser beams intersect is the node of the cutting curve line, and the cutting curve line can be assisted by connecting multiple nodes.

[0030] The main functions achieved by the present invention are:

[0031] 1. It can automatically flatten and press the fabric to reduce labor intensity and improve work efficiency;

[0032] 2. It can assist the staff to draw cutting lines on the fabric and improve the efficiency of cutting positioning.

[0033] The installation method, connection method or setting method of the positioning device for cutting the waistband of trousers of the present invention are all common mechanical methods, and can be implemented as long as the beneficial effects can be achieved; the platform 1, synchronous wheel 3, synchronous belt 4, synchronous wheel 5, synchronous belt 6, electromagnetic block 11, adsorption block 12, torsion spring 13, electromagnetic block 14, private service motor 17, private service motor 18, electric turntable 19, laser head 20, electric turntable 21, and laser head 22 of the positioning device for cutting the waistband of trousers of the present invention are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative labor by technicians in this field.

[0034] All technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0035] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A positioning device for cutting the waistband of trousers, comprising a platform (1); characterized in that: The invention also comprises a pressure strip (2), two synchronous wheels (3), a synchronous belt (4), two synchronous wheels (5), a synchronous belt (6), a push rod (7) and a pressing plate (8), wherein the pressure strip (2) is rotatably mounted on the right end of the upper end surface of the platform (1), the pressure strip (2) is used to press the right end of the cloth, the two synchronous wheels (3) are rotatably mounted on the front end of the platform (1), the synchronous belt (4) is sleeved on the two synchronous wheels (3), the two synchronous wheels (5) are rotatably mounted on the rear end of the platform (1), the synchronous belt (6) is sleeved on the two synchronous wheels (5), the synchronous belt (4) and the synchronous belt (6) are arranged front and back relative to each other, the front and rear ends of the push rod (7) are rotatably connected to the synchronous belt (4) and the synchronous belt (6) through a connecting assembly respectively, the pressing plate (8) is mounted on the side wall of the push rod (7), the lower end of the pressing plate (8) extends out of the left side of the push rod (7), and the pressing plate (8) is arranged parallel to the pressure strip (2).

2. A positioning device for cutting the waistband of trousers as claimed in claim 1, characterized in that: It also comprises two stoppers (9) and two protruding rods (10), wherein the two stoppers (9) are mounted on the left end of the platform (1), the protruding rods (10) are mounted on the two stoppers (9), and the two protruding rods (10) are aligned with the left end surface of the pressing plate (8).

3. A positioning device for cutting the waistband of trousers as claimed in claim 2, characterized in that: The connection assembly comprises two electromagnetic blocks (11), two adsorption blocks (12), two torsion springs (13) and two electromagnetic blocks (14). The two electromagnetic blocks (11) are relatively mounted on the synchronous belt (4) and the synchronous belt (6). The two adsorption blocks (12) are respectively adsorbed on the two electromagnetic blocks (11). The two ends of the push rod (7) are respectively rotatably connected to the two adsorption blocks (12). One end of the two torsion springs (13) is connected to the push rod (7). The two torsion springs (13) are respectively connected to the two adsorption blocks (12). The two electromagnetic blocks (14) are respectively mounted on the two stoppers (9). The two electromagnetic blocks (14) are respectively aligned with the two adsorption blocks (12).

4. A positioning device for cutting the waistband of trousers as claimed in claim 1, characterized in that: It also includes a push rod (15), which is installed at the right end of the platform (1), and the left end of the push rod (15) is aligned with the right end surface of the pressing plate (8).

5. A positioning device for cutting the waistband of trousers as claimed in claim 1, characterized in that: It also includes a pressing groove (16). The right end of the upper end surface of the platform (1) is provided with the pressing groove (16). The pressing groove (16) is located below the pressing strip (2). The pressing groove (16) is used to receive the protruding portion of the pressing strip (2).

6. A positioning device for cutting the waistband of trousers as claimed in claim 3, characterized in that: The utility model also comprises a private service motor 1 (17), a private service motor 2 (18), an electric turntable 1 (19), a laser head 1 (20), an electric turntable 2 (21) and a laser head 2 (22), wherein the private service motor 1 (17) is mounted on the platform (1), the output shaft of the private service motor 1 (17) is connected to the synchronous wheel 1 (3), the private service motor 2 (18) is mounted on the platform (1), the output shaft of the private service motor 2 (18) is connected to the synchronous wheel 2 (5), the electric turntable 1 (19) is mounted on the synchronous belt 1 (4), the laser head 1 (20) is mounted on the rotating end of the electric turntable 1 (19), the electric turntable 2 (21) is mounted on the synchronous belt 2 (6), and the laser head 2 (22) is mounted on the rotating end of the electric turntable 2 (21).

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