CN111793964A

CN111793964A - Tailoring has automatic positioning function's cutter

Info

Publication number: CN111793964A
Application number: CN202010771203.6A
Authority: CN
Inventors: 刘慧�; 刘爱玲
Original assignee: Qingdao Guangyi Xingda Clothing Co ltd
Current assignee: Qingdao Guangyi Xingda Clothing Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2020-10-20

Abstract

The invention relates to a cutting machine with an automatic positioning function for garment processing, which comprises a cutting machine with an automatic positioning function for garment processing, and the cutting machine comprises a rack, a guide frame, a support frame, a movable guide shaft, a cloth stretching mechanism and a cutting mechanism, wherein the guide frame is arranged at one end of the rack, the support frame is arranged at one side of the guide frame, an adjusting hole is formed in the support frame, a connecting sleeve is arranged inside the adjusting hole, the connecting sleeve is mutually connected with the adjusting hole, the movable guide shaft and a fixed guide shaft are arranged between the support frames, the movable guide shaft and the connecting sleeve are mutually connected, and a moving groove is formed in one side of the guide rail. This tailoring has automatic positioning function's cutter can carry out the continuous processing of tailorring to the cloth, can adjust the length of tailorring of cloth, is applicable to the clothing requirement of different specifications, can adjust the tensioning degree of cloth, is applicable to the cloth of different thickness in addition.

Description

Tailoring has automatic positioning function's cutter

Technical Field

The invention relates to the technical field of garment processing equipment, in particular to a cutting machine with an automatic positioning function for garment processing.

Background

With the progress of science and technology, mechanical equipment is also continuously innovated and improved along with the social requirements, the mechanical equipment gradually tends to be automated, the labor force of people is reduced, and the production and processing efficiency is improved.

The garment is one of essential products in life of people, and when the garment is processed, the required size of the cloth needs to be pre-cut, and then the cloth is distributed to a garment processing workshop for further processing.

However, the devices in the market are inconvenient for continuous cutting of cloth, and clothes with different sizes need to be cut into different sizes and need to be cut into different sizes according to needs.

Wherein: the model of the controller is as follows: FX3GA-24 MR-CM.

Disclosure of Invention

The invention aims to provide a cutting machine with an automatic positioning function for garment processing, which aims to solve the problems that the device in the market proposed by the background technology is inconvenient for continuous cutting treatment of cloth, garments with different sizes need to be cut into different sizes, and the garments with different sizes need to be cut into different sizes according to the needs.

In order to achieve the purpose, the invention provides the following technical scheme: a cutting machine with automatic positioning function for garment processing comprises a machine frame, a guide frame, a support frame, a movable guide shaft, a cloth pulling mechanism and a cutting mechanism, one end of the frame is provided with a guide frame, one side of the guide frame is provided with a support frame, the support frame is provided with an adjusting hole, the supporting frame is provided with a threaded rod, the inside of the adjusting hole is provided with a connecting sleeve, the connecting sleeve and the adjusting hole are mutually connected, a movable guide shaft and a fixed guide shaft are arranged between the supporting frames, the movable guide shaft is connected with the connecting sleeve, a material receiving plate is arranged on the frame, the material receiving plate is connected with the guide rail through a support leg, a moving groove is arranged on one side of the guide rail, an installation frame is connected between the guide rails, a cloth spreading servo motor is installed in the middle of the installation frame, and a cloth spreading threaded rod is connected to the cloth spreading servo motor;

a sliding sleeve is mounted on the guide rail, a positioning knob is arranged above the sliding sleeve, a connecting plate is arranged on one side of the sliding sleeve, a second contact switch is mounted on the connecting plate, and a cloth pulling mechanism is mounted between the guide rails;

install cutting mechanism on the supporting leg, keep away from the mounting bracket the one end of guide rail is provided with the support frame, the below of support frame is provided with first location splint, through slide bar and hydraulic stem interconnect between first location splint and the support frame, one side of hydraulic stem is provided with the connecting seat, interconnect between connecting seat and the support frame, be provided with first contact switch on the connecting seat, interconnect between connecting seat and the granny rag threaded rod, the below of first location splint is provided with second location splint, second location splint and frame reciprocal anchorage, the inside of guide rail is provided with the guide bar.

Preferably, be threaded connection between support frame and the threaded rod, be revolution mechanic between the one end of threaded rod and the adapter sleeve, revolution mechanic between adapter sleeve and the activity guiding axle.

Preferably, the guide rail is provided with two, the guide rail is hollow structure, be sliding connection between guide rail and the sliding sleeve, the installation the guide rail surface of sliding sleeve is provided with the scale of length unit, be threaded connection between sliding sleeve and the location knob.

Preferably, the granny rag mechanism is put servo motor, clamp and is put threaded rod, first granny rag splint, second granny rag splint, adapter sleeve and slide opening including granny rag frame, a screw thread section of thick bamboo, contact plate, clamp, the middle top of granny rag frame is provided with a screw thread section of thick bamboo, one side of a screw thread section of thick bamboo is provided with the contact plate, the installation of granny rag frame has the clamp to put servo motor, press from both sides to put servo motor and press from both sides and put threaded rod interconnect, it has first granny rag splint and second granny rag splint to cross to insert on the clamp and put the threaded rod, the slide opening has all been seted up to first granny rag splint and second granny rag splint both sides, first granny rag splint and second granny rag splint.

Preferably, the upper half part of the clamping threaded rod is provided with a positive spiral thread, the lower half part of the clamping threaded rod is provided with a negative spiral thread, the upper half part of the clamping threaded rod is in threaded connection with the first spreading clamp plate, and the lower half part of the clamping threaded rod is in threaded connection with the second spreading clamp plate.

Preferably, the two connecting sleeves are symmetrically arranged relative to the cloth spreading frame, and the connecting sleeves are in sliding connection with the guide rods.

Preferably, cutting mechanism includes link, locating lever, tailors the threaded rod, tailors servo motor, removes frame, cutter mounting bracket, tailors sword, third contact switch and fourth contact switch, the link is provided with two, be provided with the locating lever between the link and tailor the threaded rod, tailor the threaded rod and tailor servo motor interconnect, the locating lever with tailor the threaded rod and install the removal frame, it is provided with the cutter mounting bracket to remove the frame top, install on the cutter mounting bracket and tailor the sword, the place ahead install third contact switch on the link, the rear install fourth contact switch on the link.

Preferably, sliding connection is adopted between the moving frame and the positioning rod, and threaded connection is adopted between the moving frame and the cutting threaded rod.

Preferably, the number of the sliding rods is two and is symmetrical about the first positioning clamping plate, and the sliding rods are in sliding connection with the supporting frame.

Compared with the prior art, the invention has the beneficial effects that: this tailoring has automatic positioning function's cutter:

1. the cloth can be continuously cut, the cloth-pulling servo motor rotates forwards, the cloth-pulling threaded rod drives the cloth-pulling mechanism to move towards the direction of the supporting frame, the contact plate is contacted with the first contact switch, the first contact switch transmits signals to the controller, the hydraulic rod rises, the first positioning clamp plate and the second positioning clamp plate are separated, the clamping servo motor rotates forwards, as the rotating directions of the upper thread and the lower thread of the clamping threaded rod on the clamping servo motor are opposite, the clamping between the first cloth-pulling clamp plate and the second cloth-pulling clamp plate starts to be close to clamp the cloth, the cloth is clamped, meanwhile, the cloth-pulling servo motor rotates forwards, the cloth-pulling servo motor drives the cloth-pulling mechanism to move towards the direction of the cloth-pulling servo motor, the cloth starts to be pulled towards the direction of the mounting frame, when the cloth-pulling mechanism contacts the second contact switch, the second contact switch transmits signals to the controller, and the cloth-, the cutting servo motor starts rotating, the cutting threaded rod starts rotating forwards, the cutting knife starts cutting cloth, when the movable frame is in contact with the fourth contact switch, the fourth contact switch transmits signals to the controller, the cutting servo motor starts rotating backwards, the movable frame starts moving backwards, the clamping servo motor starts rotating backwards, the first spreading clamp plate and the second spreading clamp plate are far away from each other, the cloth between the first spreading clamp plate and the second spreading clamp plate starts loosening, the cloth drops on the material collecting plate, then the movable frame is in contact with the third contact switch, the cutting servo motor stops, the spreading servo motor rotates backwards, the spreading mechanism starts moving towards the direction of the supporting frame, and further a cycle is realized, so that the device can continuously cut the cloth.

2. Can adjust the length of tailorring of cloth, be applicable to the clothing requirement of different specifications, because be provided with the scale on the guide rail, consequently remove the sliding sleeve, the sliding sleeve removes on the guide rail, and the sliding sleeve drives connecting plate and second contact switch and removes together, sets for the distance of removal, the rotational positioning knob, the location knob is tight with the guide rail top, realizes the fixed of sliding sleeve position, and the distance of removal is the length of tailorring the cloth promptly, is the position that second contact switch and granny rag mechanism contact stopped promptly.

3. Can adjust the tensioning degree of cloth, be applicable to the cloth of different thickness in addition, through rotatory threaded rod, the threaded rod moves on the support frame, and then drives the connecting sleeve and reciprocate in the inside of regulation hole, realizes adjusting the distance between activity guiding axle and the fixed guiding axle and then adjusting the tight degree of clamp of cloth, when the pulling cloth mechanism pulling cloth, press from both sides between activity guiding axle and the fixed guiding axle tightly more, tensioning degree is higher.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;

FIG. 4 is an enlarged view of the structure of the present invention at B;

FIG. 5 is a schematic perspective view of the present invention;

FIG. 6 is an enlarged view of the structure of the present invention at C;

FIG. 7 is a schematic perspective view of the guide rail of the present invention;

FIG. 8 is a left side view of the guide rail of the present invention;

FIG. 9 is a schematic perspective view of a cloth spreading mechanism according to the present invention;

FIG. 10 is an exploded view of the cloth spreading machine of the present invention;

FIG. 11 is a schematic perspective view of a cutting mechanism according to the present invention;

FIG. 12 is a schematic top view of the cutting mechanism of the present invention;

fig. 13 is a schematic perspective view of the rack of the present invention.

In the figure: 1. a frame; 2. a guide frame; 3. a support frame; 4. an adjustment hole; 5. a threaded rod; 6. connecting sleeves; 7. a movable guide shaft; 8. fixing a guide shaft; 9. a material collecting plate; 10. supporting legs; 11. a guide rail; 12. a moving groove; 13. a mounting frame; 14. a cloth spreading servo motor; 15. pulling a cloth threaded rod; 16. a sliding sleeve; 17. positioning a knob; 18. a connecting plate; 19. a second contact switch; 20. a cloth pulling mechanism; 2001. a cloth spreading frame; 2002. a threaded barrel; 2003. a contact plate; 2004. clamping and placing a servo motor; 2005. clamping and releasing the threaded rod; 2006. a first spreading splint; 2007. a second napping splint; 2008. connecting sleeves; 2009. a slide hole; 21. a cutting mechanism; 2101. a connecting frame; 2102. positioning a rod; 2103. cutting the threaded rod; 2104. cutting a servo motor; 2105. a movable frame; 2106. a tool mounting bracket; 2107. a cutting knife; 2108. a third contact switch; 2109. a fourth contact switch; 22. a support frame; 23. a first positioning splint; 24. a slide bar; 25. a hydraulic lever; 26. a connecting seat; 27. a first contact switch; 28. a second positioning splint; 29. a guide rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-13, the present invention provides a technical solution: a tailoring machine with automatic positioning function for garment processing comprises a machine frame 1, a guide frame 2, a support frame 3, an adjusting hole 4, a threaded rod 5, a connecting sleeve 6, a movable guide shaft 7, a fixed guide shaft 8, a material receiving plate 9, a support leg 10, a guide rail 11, a moving groove 12, a mounting frame 13, a cloth drawing servo motor 14, a cloth drawing threaded rod 15, a sliding sleeve 16, a positioning knob 17, a connecting plate 18, a second contact switch 19, a cloth drawing mechanism 20, a cloth drawing frame 2001, a threaded cylinder 2002, a contact plate 2003, a clamping servo motor 2004, a clamping threaded rod 2005, a first cloth drawing clamping plate 2006, a second cloth drawing clamping plate 2007, a connecting sleeve 2008, a sliding hole 2009, a tailoring mechanism 21, a connecting frame 2101, a positioning rod 2102, a tailoring threaded rod 2103, a tailoring servo motor 2104, a moving frame 2105, a cutter 2106, a tailoring cutter 2107, a third contact switch 2108, a fourth contact switch 2109, a support frame 22, a first positioning clamping plate 23, a, Slide bar 24, hydraulic stem 25, connecting seat 26, first contact switch 27, second location splint 28 and guide bar 29, its characterized in that: the cloth clamping device is characterized in that a guide frame 2 is arranged at one end of the machine frame 1, a support frame 3 is arranged at one side of the guide frame 2, an adjusting hole 4 is formed in the support frame 3, the support frame 3 is in threaded connection with a threaded rod 5, a rotating structure is arranged between one end of the threaded rod 5 and a connecting sleeve 6, a rotating structure is arranged between the connecting sleeve 6 and a movable guide shaft 7, the tensioning degree of cloth can be adjusted, the cloth clamping device is suitable for cloth with different thicknesses, the threaded rod 5 moves on the support frame 3 by rotating the threaded rod 5 to drive the connecting sleeve 6 to move up and down in the adjusting hole 4, the distance between the movable guide shaft 7 and the fixed guide shaft 8 is adjusted to adjust the clamping degree of the cloth, when the cloth is pulled by the cloth pulling mechanism 20, the movable guide shaft 7 and the fixed guide shaft 8 are clamped more tightly, and the tensioning degree is, the cloth cutting machine is characterized in that the support frame 3 is provided with a threaded rod 5, the inside of the adjusting hole 4 is provided with a connecting sleeve 6, the connecting sleeve 6 is connected with the adjusting hole 4, a movable guide shaft 7 and a fixed guide shaft 8 are installed between the support frames 3, the movable guide shaft 7 is connected with the connecting sleeve 6, the frame 1 is provided with a material receiving plate 9, the material receiving plate 9 is connected with a guide rail 11 through a support leg 10, the guide rail 11 is provided with two guide rails 11, the guide rail 11 is of a hollow structure, the guide rail 11 is in sliding connection with the sliding sleeve 16, the surface of the guide rail 11 for installing the sliding sleeve 16 is provided with scales of length units, the sliding sleeve 16 is in threaded connection with the positioning knob 17, the cloth cutting length can be adjusted, the cloth cutting machine is suitable for the clothing requirements of different specifications, and the sliding sleeve, the cloth cutting machine is characterized in that a sliding sleeve 16 moves on a guide rail 11, the sliding sleeve 16 drives a connecting plate 18 and a second contact switch 19 to move together, the moving distance is set, a positioning knob 17 is rotated, the positioning knob 17 tightly pushes the guide rail 11 to fix the position of the sliding sleeve 16, the moving distance is the length of cut cloth, and is the position where the second contact switch 19 stops contacting with a cloth pulling mechanism 20, a moving groove 12 is formed in one side of the guide rail 11, an installation frame 13 is connected between the guide rails 11, a cloth pulling servo motor 14 is installed in the middle of the installation frame 13, and a cloth pulling threaded rod 15 is connected to the cloth pulling servo motor 14;

the cloth-pulling mechanism 20 comprises a cloth-pulling frame 2001, a threaded cylinder 2002, a contact plate 2003, a clamping and releasing servo motor 2004, a clamping and releasing threaded rod 2005, a first cloth-pulling clamping plate 2006, a second cloth-pulling clamping plate 2007, a connecting sleeve 2008 and a sliding hole 2009, the threaded cylinder 2002 is arranged above the middle of the cloth-pulling frame 2001, the contact plate 2003 is arranged on one side of the threaded cylinder 2002, the clamping and releasing servo motor 2004 is mounted on the cloth-pulling frame 2001, the clamping and releasing servo motor 2004 is connected with the clamping and releasing threaded rod 2005, the first cloth-pulling clamping plate 2006 and the second cloth-pulling clamping plate 2007 are inserted into the clamping and releasing threaded rod 2005, the sliding holes 2009 are formed in two sides of the first cloth-pulling clamping plate 2006 and the second cloth-pulling clamping plate 2007, the first canvas clamping plate 2006 and the second canvas clamping plate 2007 are in sliding connection with the canvas frame 2001 through a sliding hole 2009, the upper half part of the clamping and releasing threaded rod 2005 is a positive spiral thread, the lower half part of the clamping and releasing threaded rod 2005 is a negative spiral thread, the upper half part of the clamping and releasing threaded rod 2005 is in threaded connection with the first canvas clamping plate 2006, the lower half part of the clamping and releasing threaded rod 2005 is in threaded connection with the second canvas clamping plate 2007, two connecting sleeves 2008 are symmetrically arranged relative to the canvas frame 2001, the connecting sleeves 2008 are in sliding connection with the guide rod 29, and clamping and releasing processing between the first canvas clamping plate 2006 and the second canvas clamping plate 2007 is achieved through positive and negative rotation adjustment of the clamping and releasing servo motor 2004;

the supporting leg 10 is provided with a cutting mechanism 21, the cutting mechanism 21 comprises a connecting frame 2101, a positioning rod 2102, a cutting threaded rod 2103, a cutting servo motor 2104, a moving frame 2105, a cutter mounting frame 2106, a cutting knife 2107, a third contact switch 2108 and a fourth contact switch 2109, the connecting frame 2101 is provided with two connecting frames 2101, the positioning rod 2102 and the cutting threaded rod 2103 are arranged between the connecting frames 2101, the cutting threaded rod 2103 is mutually connected with the cutting servo motor 2104, the positioning rod 2102 and the cutting threaded rod 2103 are provided with the moving frame 2105, the cutter mounting frame 2106 is arranged above the moving frame 2105, the cutting knife 2107 is arranged on the cutter mounting frame 2106, the third contact switch 2108 is arranged on the connecting frame 2101 in front, the fourth contact switch 2109 is arranged on the connecting frame 2101 in rear, and the sliding connection is arranged between the moving frame 2105 and the positioning rod 2102, the movable rack 2105 is in threaded connection with the cutting threaded rod 2103, one end of the guide rail 11 far away from the mounting rack 13 is provided with a support frame 22, a first positioning clamp plate 23 is arranged below the support frame 22, the first positioning clamp plate 23 and the support frame 22 are connected with each other through a sliding rod 24 and a hydraulic rod 25, two slide bars 24 are symmetrically arranged about the first positioning clamping plate 23, the slide bars 24 are in sliding connection with the supporting frame 22, one side of the hydraulic rod 25 is provided with a connecting seat 26, the connecting seat 26 is connected with the supporting frame 22, the connecting seat 26 is provided with a first contact switch 27, the connecting seat 26 is connected with the cloth pulling threaded rod 15, a second positioning clamping plate 28 is arranged below the first positioning clamping plate 23, the second positioning clamping plate 28 and the frame 1 are fixed to each other, and a guide rod 29 is arranged inside the guide rail 11.

The working principle is as follows: when the cutting machine with the automatic positioning function for garment processing is used, firstly, the cutting length of the cloth is adjusted, the sliding sleeve 16 is moved due to the scales arranged on the guide rail 11, the sliding sleeve 16 moves on the guide rail 11, the sliding sleeve 16 drives the connecting plate 18 and the second contact switch 19 to move together, the moving distance is set, the positioning knob 17 is rotated, the positioning knob 17 tightly supports the guide rail 11 to fix the position of the sliding sleeve 16, the moving distance is the length of the cut cloth, then, the device is powered, the cloth pulling servo motor 14 rotates forwards, the cloth pulling threaded rod 15 drives the cloth pulling mechanism 20 to move towards the supporting frame 22, the contact plate 2003 is in contact with the first contact switch 27, the first contact switch 27 transmits signals to the controller, the hydraulic rod 25 rises, the first positioning clamp plate 23 is separated from the second positioning clamp plate 28, and the servo motor 2004 is clamped, since the rotation directions of the upper and lower threads of the clamping screw rod 2005 on the clamping servo motor 2004 are opposite, the first spreading clamp plate 2006 and the second spreading clamp plate 2007 start to clamp the cloth, and at the same time, the spreading servo motor 14 rotates forward, the spreading servo motor 14 drives the spreading mechanism 20 to move toward the spreading servo motor 14, so the cloth starts to be pulled toward the mounting frame 13, when the spreading mechanism 20 contacts the second contact switch 19, the second contact switch 19 transmits a signal to the controller, the spreading servo motor 14 stops, the cutting servo motor 2104 starts to rotate, the cutting screw rod 2103 starts to rotate forward, the cutting knife 2107 starts to cut the cloth, when the moving frame 2105 contacts the fourth contact switch 2109, the fourth contact switch 2109 transmits a signal to the controller, the cutting servo motor 2104 starts to rotate backward, the moving frame 2105 starts to move backward, the clamping servo motor 2004 starts to rotate reversely, the first spreading clamp 2006 and the second spreading clamp 2007 are far away from each other, the cloth between the first spreading clamp 2006 and the second spreading clamp 2007 starts to loosen, the cloth falls on the material receiving plate 9, then the moving frame 2105 is in contact with the third contact switch 2108, the cutting servo motor 2104 stops, the spreading servo motor 14 rotates reversely, the spreading mechanism 20 starts to move towards the supporting frame 22, and therefore a cycle is achieved, and the cloth can be cut continuously by the cloth cutting device.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a tailoring has automatic positioning function's cutter, includes frame (1), leading truck (2), support frame (3), activity guiding axle (7), granny rag mechanism (20) and cutting mechanism (21), its characterized in that: one end of the rack (1) is provided with a guide frame (2), one side of the guide frame (2) is provided with a support frame (3), the support frame (3) is provided with an adjusting hole (4), a threaded rod (5) is installed on the support frame (3), a connecting sleeve (6) is arranged inside the adjusting hole (4), the connecting sleeve (6) and the adjusting hole (4) are connected with each other, a movable guide shaft (7) and a fixed guide shaft (8) are installed between the support frames (3), the movable guide shaft (7) and the connecting sleeve (6) are connected with each other, a material receiving plate (9) is installed on the rack (1), the material receiving plate (9) and a guide rail (11) are connected with each other through supporting legs (10), one side of the guide rail (11) is provided with a moving groove (12), and a mounting rack (13) is connected between the guide rails (11), a cloth stretching servo motor (14) is installed in the middle of the mounting frame (13), and a cloth stretching threaded rod (15) is connected to the cloth stretching servo motor (14);

a sliding sleeve (16) is installed on the guide rail (11), a positioning knob (17) is arranged above the sliding sleeve (16), a connecting plate (18) is arranged on one side of the sliding sleeve (16), a second contact switch (19) is installed on the connecting plate (18), and a cloth pulling mechanism (20) is installed between the guide rails (11);

a cutting mechanism (21) is arranged on the supporting leg (10), a supporting frame (22) is arranged at one end of the guide rail (11) far away from the mounting frame (13), a first positioning clamp plate (23) is arranged below the supporting frame (22), the first positioning clamp plate (23) and the supporting frame (22) are connected with each other through a sliding rod (24) and a hydraulic rod (25), one side of the hydraulic rod (25) is provided with a connecting seat (26), the connecting seat (26) is connected with the supporting frame (22), a first contact switch (27) is arranged on the connecting seat (26), the connecting seat (26) is connected with the cloth pulling threaded rod (15), a second positioning splint (28) is arranged below the first positioning splint (23), the second positioning clamping plate (28) and the rack (1) are fixed with each other, and a guide rod (29) is arranged inside the guide rail (11).

2. The tailoring machine with automatic positioning function according to claim 1, characterized in that: be threaded connection between support frame (3) and threaded rod (5), be revolution mechanic between the one end of threaded rod (5) and adapter sleeve (6), revolution mechanic between adapter sleeve (6) and activity guiding axle (7).

3. The tailoring machine with automatic positioning function according to claim 1, characterized in that: guide rail (11) are provided with two, guide rail (11) are hollow structure, be sliding connection between guide rail (11) and sliding sleeve (16), the installation guide rail (11) surface of sliding sleeve (16) is provided with the scale of length unit, be threaded connection between sliding sleeve (16) and location knob (17).

4. The tailoring machine with automatic positioning function according to claim 1, characterized in that: the cloth pulling mechanism (20) comprises a cloth pulling frame (2001), a threaded cylinder (2002), a contact plate (2003), a clamping and releasing servo motor (2004), a clamping and releasing threaded rod (2005), a first cloth pulling clamping plate (2006), a second cloth pulling clamping plate (2007), a connecting sleeve (2008) and a sliding hole (2009), a thread cylinder (2002) is arranged above the middle of the cloth spreading frame (2001), a contact plate (2003) is arranged on one side of the thread cylinder (2002), the cloth pulling frame (2001) is provided with a clamping and releasing servo motor (2004), the clamping and releasing servo motor (2004) is connected with a clamping and releasing threaded rod (2005), a first canvas clamping plate (2006) and a second canvas clamping plate (2007) are inserted on the clamping threaded rod (2005), both sides of the first canvas clamping plate (2006) and the second canvas clamping plate (2007) are provided with sliding holes (2009), the first spreading clamp plate (2006) and the second spreading clamp plate (2007) are in sliding connection with the spreading frame (2001) through a sliding hole (2009).

5. The tailoring machine with automatic positioning function according to claim 4, characterized in that: the upper half part of the clamping and releasing threaded rod (2005) is a positive spiral thread, the lower half part of the clamping and releasing threaded rod is a negative spiral thread, the upper half part of the clamping and releasing threaded rod (2005) is in threaded connection with a first spreading clamp plate (2006), and the lower half part of the clamping and releasing threaded rod is in threaded connection with a second spreading clamp plate (2007).

6. The tailoring machine with automatic positioning function according to claim 4, characterized in that: two connecting sleeves (2008) are symmetrically arranged relative to the cloth spreading frame (2001), and the connecting sleeves (2008) are in sliding connection with the guide rods (29).

7. The tailoring machine with automatic positioning function according to claim 1, characterized in that: the cutting mechanism (21) comprises a connecting frame (2101), a positioning rod (2102), a cutting threaded rod (2103), a cutting servo motor (2104), a moving frame (2105), a cutter mounting frame (2106), a cutting knife (2107), a third contact switch (2108) and a fourth contact switch (2109), two connecting frames (2101) are arranged, a positioning rod (2102) and a cutting threaded rod (2103) are arranged between the connecting frames (2101), the cutting threaded rod (2103) is connected with a cutting servo motor (2104), the positioning rod (2102) and the cutting threaded rod (2103) are provided with a movable frame (2105), remove frame (2105) top and be provided with cutter mounting bracket (2106), install on cutter mounting bracket (2106) and cut out sword (2107), the place ahead install third contact switch (2108) on link (2101), the rear install fourth contact switch (2109) on link (2101).

8. The tailoring machine with automatic positioning function according to claim 7, characterized in that: the movable frame (2105) is in sliding connection with the positioning rod (2102), and the movable frame (2105) is in threaded connection with the cutting threaded rod (2103).

9. The tailoring machine with automatic positioning function according to claim 1, characterized in that: the two sliding rods (24) are symmetrically arranged relative to the first positioning clamping plate (23), and the sliding rods (24) are in sliding connection with the supporting frame (22).