CN215047428U

CN215047428U - Automatic back-feeding cloth clamping device for thermal transfer printing machine

Info

Publication number: CN215047428U
Application number: CN202121783016.6U
Authority: CN
Inventors: 陈太田
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2021-12-07
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses an automatic cloth clamping device of back work feed for thermal transfer printing machine, which comprises a frame, the top of frame is provided with the support frame, the inside set screw hole of support frame, the inside threaded connection of screw hole has adjusting screw, adjusting screw constitutes with the frame and rotates and be connected. The utility model discloses a set up the stainless steel roller, automatic press from both sides cloth device and be provided with two sets ofly when using altogether, clip the cloth both sides respectively, stretch the cloth, avoid the fold, at normal during operation, the U-shaped frame drives the stainless steel roller through the elastic construction who constitutes with the spring and supports the rubber roller, press from both sides tightly the cloth, when the cloth skew, the electro-magnet circular telegram, attract armature in the stainless steel roller, make the stainless steel roller overcome spring force, thereby make the stainless steel roller keep away from the rubber roller, loosen the cloth, and press from both sides the cloth device through another group and draw the cloth just, make the cloth at the in-process convenience of work feed cloth to it rectifies.

Description

Automatic back-feeding cloth clamping device for thermal transfer printing machine

Technical Field

The utility model relates to an automatic cloth clamping device technical field of work feed specifically is an automatic cloth clamping device of back work feed for heat transfer printing machine.

Background

The thermal transfer printing is a new printing and dyeing process which is gradually developed internationally in recent years, and the printed cloth needs an automatic cloth clamping device for back feeding of a thermal transfer printing machine to stretch the cloth and avoid wrinkles during cloth feeding.

Although the existing back-feeding automatic cloth clamping device for the thermal transfer printing machine is very large in variety and quantity, the existing back-feeding automatic cloth clamping device for the thermal transfer printing machine still has certain problems, and certain inconvenience is brought to the use of the back-feeding automatic cloth clamping device for the thermal transfer printing machine.

However, most of the automatic cloth clamping devices for the back cloth feeding of the thermal transfer printing machine are mostly provided with two groups of cloth clamping devices which clamp two sides of cloth respectively to stretch the cloth, so that the cloth is easy to deviate in the stretching process, and the cloth does not have the function of deviation correction and affects the use effect, so that the technology of improving the structure of the automatic cloth clamping devices for the back cloth feeding of the thermal transfer printing machine is urgently needed to perfect the equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic cloth device that presss from both sides of back work feed for heat transfer calico printing machine has solved the automatic cloth device that presss from both sides of back work feed for heat transfer calico printing machine when using, has mostly been provided with two sets of cloth devices that press from both sides, carries the cloth both sides respectively, stretches the cloth, easily squints at tensile in-process cloth, and does not have the function of rectifying, influences the problem of result of use.

In order to achieve the above object, the utility model provides a following technical scheme: a back feeding automatic cloth clamping device for a thermal transfer printing machine comprises a frame, wherein a support frame is arranged at the top of the frame, a threaded hole is formed in the support frame, an adjusting screw rod is connected with the inner part of the threaded hole in a threaded manner and is in rotary connection with the frame, wherein,

the two sides of the support frame, which are close to the threaded hole, are provided with guide rod grooves, one side of the rack, which is close to the guide rod grooves, is connected with guide rods, the left side and the right side of the support frame are provided with through holes, a connecting rod is arranged inside the through holes, the bottom of the connecting rod is fixed with a U-shaped frame, and a spring is wound outside one side of the connecting rod, which is close to the U-shaped frame;

the inside of U-shaped frame is rotated and is connected with the stainless steel roller, the bottom of U-shaped frame is provided with L shape frame, the inside of L shape frame is provided with the rubber roller, the rubber roller constitutes with the frame and rotates and be connected, the stainless steel roller has all run through the center pin with the inside of rubber roller, the right side tip of center pin is fixed with first gear, one side of first gear is provided with the second gear, one side that first gear was kept away from to the second gear is provided with the third gear, the left side of third gear is connected with the cleaning roller, the bottom of support frame is fixed with the electro-magnet.

Preferably, the guide rod coincides with the center of a circle of the cross section of the guide rod groove.

Preferably, one side of the spring is fixedly connected with the bottom wall of the support frame, and the other side of the spring is fixedly connected with the top wall of the U-shaped frame.

Preferably, the stainless steel roller is internally provided with an armature.

Preferably, the first gear and the second gear form a meshing structure, and the second gear and the third gear form a meshing structure.

Preferably, the cleaning rollers are arranged in two, and the two cleaning rollers are respectively arranged above the stainless steel roller and below the rubber roller.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the stainless steel roller, automatic press from both sides cloth device and be provided with two sets ofly when using altogether, clip the cloth both sides respectively, stretch the cloth, avoid the fold, at normal during operation, the U-shaped frame drives the stainless steel roller through the elastic construction who constitutes with the spring and supports the rubber roller, press from both sides tightly the cloth, when the cloth skew, the electro-magnet circular telegram, attract armature in the stainless steel roller, make the stainless steel roller overcome spring force, thereby make the stainless steel roller keep away from the rubber roller, loosen the cloth, and press from both sides the cloth device through another group and draw the cloth just, make the cloth at the in-process convenience of work feed cloth to it rectifies.

2. The utility model discloses a set up the cleaning roller, when the cloth passes through between stainless steel roller and the rubber roller, drive stainless steel roller and rubber roller rotation because of frictional force, the center pin has all been run through at the middle part of stainless steel roller and rubber roller, the center pin drives first gear revolve, first gear drives second gear revolve, the third gear drives third gear revolve, the third gear drives two cleaning roller and stainless steel roller, the rubber roller syntropy rotates, make cleaning roller and stainless steel roller, the moving direction of the contact surface of rubber roller is opposite, be convenient for clear up the surface of stainless steel roller and rubber roller, and is time-saving and labor-saving.

3. The utility model discloses a set up adjusting screw, at the during operation, the stainless steel roller passes through the spring and supports the rubber roller, when pressing from both sides tightly the cloth of different thickness, the spring is also different to the clamp force of cloth, rotates adjusting screw, is convenient for adjust the distance between frame and the support frame to adjusting spring facilitates the use to the clamp force of cloth.

Drawings

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

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

fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention.

In the figure: 1. a frame; 2. a support frame; 3. a threaded hole; 4. adjusting the screw rod; 5. a guide bar groove; 6. a guide bar; 7. a through hole; 8. a connecting rod; 9. a U-shaped frame; 10. a spring; 11. a stainless steel roller; 12. an L-shaped frame; 13. a rubber roller; 14. a central shaft; 15. a first gear; 16. a second gear; 17. a third gear; 18. a cleaning roller; 19. an electromagnet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a rear cloth feeding automatic cloth clamping device for a thermal transfer printing machine comprises a rack 1, a support frame 2, a threaded hole 3, an adjusting screw rod 4, a guide rod groove 5, a guide rod 6, a through hole 7, a connecting rod 8, a U-shaped frame 9, a spring 10, a stainless steel roller 11, an L-shaped frame 12, a rubber roller 13, a central shaft 14, a first gear 15, a second gear 16, a third gear 17, a cleaning roller 18 and an electromagnet 19, wherein the support frame 2 is arranged at the top of the rack 1, the threaded hole 3 is formed in the support frame 2, the adjusting screw rod 4 is in threaded connection with the inner part of the threaded hole 3, the adjusting screw rod 4 is in rotating connection with the rack 1, wherein,

the two sides of the support frame 2 close to the threaded hole 3 are provided with guide rod grooves 5, one side of the rack 1 close to the guide rod grooves 5 is connected with a guide rod 6, the guide rod 6 is overlapped with the circle center of the section of the guide rod groove 5, the left side and the right side of the two sides of the support frame 2 are provided with through holes 7, a connecting rod 8 is arranged inside the through hole 7, the bottom of the connecting rod 8 is fixed with a U-shaped frame 9, one side of the connecting rod 8 close to the U-shaped frame 9 is externally wound with a spring 10, one side of the spring 10 is fixedly connected with the bottom wall of the support frame 2, and the other side of the spring 10 is fixedly connected with the top wall of the U-shaped frame 9;

the inside of the U-shaped frame 9 is rotatably connected with a stainless steel roller 11, the inside of the stainless steel roller 11 is provided with an armature, when the cloth is in normal operation, the U-shaped frame 9 drives the stainless steel roller 11 to abut against a rubber roller 13 through an elastic structure formed by the U-shaped frame 9 and a spring 10, so as to clamp the cloth, when the cloth deviates, an electromagnet 19 is electrified to attract the armature in the stainless steel roller 11, so that the stainless steel roller 11 overcomes the elasticity of the spring 10, so that the stainless steel roller 11 is far away from the rubber roller 13, the cloth is loosened, the cloth is straightened through another group of cloth clamping devices, so that the cloth is conveniently rectified in the cloth feeding process, the bottom of the U-shaped frame 9 is provided with an L-shaped frame 12, the inside of the L-shaped frame 12 is provided with the rubber roller 13, the rubber roller 13 is rotatably connected with the frame 1, a central shaft 14 penetrates through the insides of the stainless steel roller 11 and the rubber roller 13, a first gear 15 is fixed at the right end of the central shaft 14, the first gear 15 and a second gear 16 form an engagement structure, the second gear 16 and a third gear 17 form an engagement structure, when cloth passes through between the stainless steel roller 11 and the rubber roller 13, the stainless steel roller 11 and the rubber roller 13 are driven to rotate due to friction force, the central shaft 14 penetrates through the middle parts of the stainless steel roller 11 and the rubber roller 13, the central shaft 14 drives the first gear 15 to rotate, the first gear 15 drives the second gear 16 to rotate through the engagement structure formed by the first gear 16 and the second gear 16, the second gear 16 drives the third gear 17 to rotate through the engagement structure formed by the third gear 17, the third gear 17 rotates to drive two cleaning rollers 18 to rotate in the same direction with the stainless steel roller 11 and the rubber roller 13, the second gear 16 is arranged at one side of the first gear 15, and the third gear 17 is arranged at one side of the second gear 16 far away from the first gear 15, the left side of third gear 17 is connected with cleaning roller 18, cleaning roller 18 is provided with two altogether, and two cleaning rollers 18 set up respectively in the top of stainless steel roller 11 and the below of rubber roller 13, and when third gear 17 drove two cleaning rollers 18 and stainless steel roller 11, when rubber roller 13 syntropy rotated for the removal direction of cleaning roller 18 and stainless steel roller 11, the contact surface of rubber roller 13 is opposite, is convenient for clear up the surface of stainless steel roller 11 and rubber roller 13, and is laborsaving in the time saving, the bottom of support frame 2 is fixed with electro-magnet 19.

The working principle is as follows: when the automatic back-feeding cloth clamping device for the heat transfer printing machine is used, firstly, two groups of automatic cloth clamping devices are arranged in use, the two groups of automatic cloth clamping devices are used for clamping two sides of cloth respectively and stretching the cloth to avoid wrinkles, when the automatic back-feeding cloth clamping device works normally, the U-shaped frame 9 drives the stainless steel roller 11 to abut against the rubber roller 13 through an elastic structure formed by the spring 10 to clamp the cloth, when the cloth deflects, the electromagnet 19 is electrified to attract the armature inside the stainless steel roller 11, so that the stainless steel roller 11 overcomes the elastic force of the spring 10, the stainless steel roller 11 is far away from the rubber roller 13 to loosen the cloth and is straightened through the other group of cloth clamping devices, and then the electromagnet 19 is powered off to enable the stainless steel roller 11 and the rubber roller 13 to continue to clamp the cloth;

when cloth passes through the space between the stainless steel roller 11 and the rubber roller 13, the stainless steel roller 11 and the rubber roller 13 are driven to rotate by friction force, a central shaft 14 penetrates through the middle parts of the stainless steel roller 11 and the rubber roller 13, the central shaft 14 drives the first gear 15 to rotate, the first gear 15 drives the second gear 16 to rotate, the second gear 16 drives the third gear 17 to rotate, and the third gear 17 drives the two cleaning rollers 18 to rotate in the same direction with the stainless steel roller 11 and the rubber roller 13, so that the moving directions of the contact surfaces of the cleaning rollers 18 with the stainless steel roller 11 and the rubber roller 13 are opposite, the surfaces of the stainless steel roller 11 and the rubber roller 13 can be cleaned conveniently, and time and labor are saved;

in the process of work, when pressing from both sides tightly the cloth of different thickness, spring 10 is also different to the clamp force of cloth, rotates adjusting screw 4, is convenient for adjust the distance between frame 1 and the support frame 2 to adjusting spring 10 facilitates the use to the clamp force of cloth.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic double-layered cloth device of back work feed for heat transfer printing machine, includes frame (1), its characterized in that: the top of the frame (1) is provided with a support frame (2), a threaded hole (3) is arranged inside the support frame (2), an adjusting screw rod (4) is connected with the inner thread of the threaded hole (3), the adjusting screw rod (4) is rotationally connected with the frame (1), wherein,

guide rod grooves (5) are formed in two sides, close to the threaded holes (3), of the support frame (2), guide rods (6) are connected to one side, close to the guide rod grooves (5), of the rack (1), through holes (7) are formed in the left side and the right side of the two sides of the support frame (2), connecting rods (8) are arranged inside the through holes (7), a U-shaped frame (9) is fixed to the bottom of each connecting rod (8), and springs (10) are wound on the outer portion of one side, close to the U-shaped frame (9), of each connecting rod (8);

the inside of U-shaped frame (9) is rotated and is connected with stainless steel roller (11), the bottom of U-shaped frame (9) is provided with L shape frame (12), the inside of L shape frame (12) is provided with rubber roller (13), rubber roller (13) constitute with frame (1) and rotate and be connected, stainless steel roller (11) all run through center pin (14) with the inside of rubber roller (13), the right side tip of center pin (14) is fixed with first gear (15), one side of first gear (15) is provided with second gear (16), one side that first gear (15) were kept away from in second gear (16) is provided with third gear (17), the left side of third gear (17) is connected with cleaning roller (18), the bottom of support frame (2) is fixed with electro-magnet (19).

2. The automatic back feed cloth clamping device for the thermal transfer printing machine according to claim 1, characterized in that: the guide rod (6) is coincided with the circle center of the cross section of the guide rod groove (5).

3. The automatic back feed cloth clamping device for the thermal transfer printing machine according to claim 1, characterized in that: one side of the spring (10) is fixedly connected with the bottom wall of the support frame (2), and the other side of the spring (10) is fixedly connected with the top wall of the U-shaped frame (9).

4. The automatic back feed cloth clamping device for the thermal transfer printing machine according to claim 1, characterized in that: an armature is arranged inside the stainless steel roller (11).

5. The automatic back feed cloth clamping device for the thermal transfer printing machine according to claim 1, characterized in that: the first gear (15) and the second gear (16) form a meshing structure, and the second gear (16) and the third gear (17) form a meshing structure.

6. The automatic back feed cloth clamping device for the thermal transfer printing machine according to claim 1, characterized in that: the cleaning rollers (18) are arranged in two, and the two cleaning rollers (18) are respectively arranged above the stainless steel roller (11) and below the rubber roller (13).