CN210973229U

CN210973229U - From type membrane straining device

Info

Publication number: CN210973229U
Application number: CN201921438661.7U
Authority: CN
Inventors: 陆文革; 张亚周; 杨鹏飞
Original assignee: Changzhou Zhanming Membrane Technology Co ltd
Current assignee: Changzhou Zhanming Membrane Technology Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-07-10
Anticipated expiration: 2029-08-30

Abstract

The utility model relates to a from type membrane technical field, especially relate to a from type membrane straining device, including the frame and rotate the wind-up roll that sets up in the frame, still include input roll, swinging arms, screw rod, first nut and second nut, the input roll rotates and sets up in the frame, the one end of swinging arms articulates and sets up in the frame, the other end of swinging arms rotates and is provided with the roller, the swinging arms is located between input roll and wind-up roll, the swinging arms has seted up the guide way along its axial, it has the guide block rather than the assorted to slide in the guide way, it is provided with the connecting block to rotate on the guide block, the utility model discloses from type membrane straining device is when using, through setting up the connecting block on the swinging arms, and the screw rod passes the connecting block, the position of first nut and second nut on through-hole connecting block both sides, has just changed first spring and second spring dynamics, thereby changing the tension force of the roll shaft to the film and meeting the production of films of different models.

Description

From type membrane straining device

Technical Field

The utility model belongs to the technical field of from type membrane technique and specifically relates to a from type membrane straining device is related to.

Background

The release film is also called as a release film, a separation film, a silicon oil film, an anti-sticking film and a protective film, and is a film with a separable surface, wherein a plastic film is subjected to plasma treatment or fluorine coating treatment, or a silicon (silicone) release agent is coated on the surface layer of the film material, such as PET, PE, OPP and the like, so that the release film can show extremely light and stable release force for various organic pressure-sensitive adhesives, and mainly comprises a base material, a primer and the release agent.

The tension force of the existing film tensioning device is fixed and unchanged, the tension force cannot be adjusted, the film cannot be tensioned or is directly fractured in a swelling way when films of different models are produced, the film tensioning device cannot be suitable for production practicality of films of different models, the applicability of equipment is reduced, new equipment is needed, and the production cost is indirectly increased.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the problems that the tension force of the existing film tensioning device is fixed and unchanged, the tension force cannot be adjusted, the film cannot be tensioned or is directly cracked when films of different models are produced, the film tensioning device cannot be applied to the production practicality of the films of different models, the applicability of equipment is reduced, new equipment is needed, and the production cost is indirectly increased, a release film tensioning mechanism is provided.

The utility model provides a technical scheme that its technical problem adopted is: a release film tensioning mechanism comprises a rack, a wind-up roll arranged on the rack in a rotating mode, an input roll, a swing rod, a screw rod, a first nut and a second nut, wherein the input roll is arranged on the rack in a rotating mode, one end of the swing rod is arranged on the rack in a hinged mode, the other end of the swing rod is provided with a roll shaft in a rotating mode, the swing rod is located between the input roll and the wind-up roll, a guide groove is formed in the axial direction of the swing rod, a guide block matched with the swing rod is arranged in the guide groove in a sliding mode, a connecting block is arranged on the guide block in a rotating mode, a through hole is formed in the connecting block in a transverse mode, one end of the screw rod penetrates through the through hole and is arranged on the rack in a sliding mode, the first nut and the second nut are connected to the screw rod in a threaded mode, the first nut and the second nut are located at, and a second spring is arranged between the second nut and the connecting block. Through setting up the connecting block on the swinging arms to the screw rod passes the connecting block, changes the position of first nut and second nut in connecting block both sides, has just changed first spring and second spring dynamics, thereby has changed the tight power that rises of roller to the film, satisfies the production of different model films.

In order to realize that the screw rod can slide on the rack, furthermore, a sliding groove is formed in the rack in the vertical direction, a sliding block matched with the sliding groove is arranged at one end of the screw rod, and the sliding block is arranged in the sliding groove in an interactive mode. The sliding grooves are formed in the rack and matched with the sliding blocks on the screw rod, so that the screw rod can slide on the rack.

In order to be able to mount the first nut or the second nut, the slide and the threaded spindle are furthermore screwed to one another. Through threaded connection between screw rod and the slider, just so make things convenient for the installation of screw rod, just also make first nut or second nut be convenient for the installation.

In order to better tension the film, the two swing rods are oppositely arranged on two sides of the sliding chute, and the rotation centers of the swing rods on the two sides of the sliding chute are overlapped. The swing rods are oppositely arranged on two sides of the sliding groove in the frame, so that the first nuts and the second nuts on the swing rods on the two sides can be adjusted, the roller shafts on the swing rods apply different tensioning forces to the film, and the use requirements of film production are met.

The utility model has the advantages that: the utility model discloses from type membrane straining device when using, set up the connecting block on through the swinging arms, and the screw rod passes the connecting block, change the position of the first nut in connecting block both sides and second nut, just changed first spring and second spring dynamics, thereby the tight power that rises of roller to the film has been changed, satisfy the production of different model films, it is fixed unchangeable to have avoided its tight power that rises of current membrane overspeed device tensioner, can't adjust tight power that rises, make the film or can't carry out the tensioning or directly rise the fracture with the film when different model films produce, just also can not be applicable to different model film production practicality, the suitability of equipment has been reduced, just so need new equipment to go on, indirect increase manufacturing cost's problem.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

fig. 4 is a schematic view of the installation structure between the guide groove, the guide block and the connecting block on the middle rack of the present invention.

In the figure: 1. the device comprises a rack, 101, a sliding chute, 2, a winding roller, 3, an input roller, 4, a swing rod, 401, a guide groove, 5, a screw rod, 6, a first nut, 7, a second nut, 8, a roller shaft, 9, a guide block, 10, a connecting block, 11, a through hole, 12, a first spring, 13, a second spring, 13 and a sliding block.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1-4, a release film tensioning mechanism comprises a frame 1, a wind-up roll 2 rotatably arranged on the frame 1, an input roll 3, a swing rod 4, a screw 5, a first nut 6 and a second nut 7, wherein the input roll 3 is rotatably arranged on the frame 1, one end of the swing rod 4 is hinged on the frame 1, the other end of the swing rod 4 is rotatably provided with a roll shaft 8, the swing rod 4 is positioned between the input roll 3 and the wind-up roll 2, the swing rod 4 is provided with a guide groove 401 along the axial direction thereof, the guide groove 401 is provided with a guide block 9 matched with the guide block in a sliding manner, the guide block 9 is provided with a connecting block 10 in a rotating manner, the connecting block 10 is provided with a through hole 11 along the transverse direction, one end of the screw 5 passes through the through hole 11 and is slidably arranged on the frame 1, and the first nut 6 and the second nut 7 are both in threaded connection with the screw 5, the first nut 6 and the second nut 7 are respectively located at two ends of the connecting block 10, a first spring 12 is arranged between the first nut 6 and the connecting block 10, and a second spring 13 is arranged between the second nut 7 and the connecting block 10.

The frame 1 is provided with a sliding groove 101 along the vertical direction, one end of the screw rod 5 is provided with a sliding block 14 matched with the sliding groove 101, and the sliding block 14 is arranged in the sliding groove 101 in an interactive mode.

The sliding block 14 and the screw rod 5 are in threaded connection with each other.

The two swing rods 4 are oppositely arranged on two sides of the sliding chute 101, and the rotation centers of the swing rods 4 on two sides of the sliding chute 101 are overlapped.

When the release film tensioning mechanism is adjusted, the first nut 6 and the second nut 7 on the screw rod 5 are firstly rotated according to the film production requirement, so that the acting force of the first spring 12 and the second spring 13 on the screw rod 5 on the oscillating rod 4 is changed, and the tension wheel of the roller shaft 8 on the film is also changed;

when the film winding machine is used, a film is input by the input roller 3, guided by the guide roller on the middle rack 1, reaches the roller shaft 8 on the swinging rod 4 on one side of the chute 101, then passes through the roller shaft 8 on the swinging rod 4 on the other side of the chute 101, and finally reaches the winding roller 2, the winding roller 2 on the rack 1 is driven by an external driving device to rotate, so that the film is wound gradually, when the film is loosened, one side of the screw rod 5, which is far away from the chute 101, is provided with the first spring 12, one side of the screw rod 5, which is close to the chute 101, is provided with the second spring 13, the first spring 12 applies directional acting force and compresses the second spring 13, at the moment, the connecting block 10 rotates on the guide block 9, the guide hole slides in the guide groove 401, so that the screw rod 5 drives the swinging rod 4 to rotate, the roller shaft 8 on the swinging rod 4 is lifted and tensions the, when the film is too tight, the film exerts force on the roller shaft 8 to act on the swing rod 4, the swing rod 4 rotates and drives the sliding block 14 at one end of the screw rod 5 to slide in the sliding groove 101 in the rack 1, at the moment, the connecting block 10 rotates on the guide block 9, the guide hole slides in the guide groove 401, the roller shaft 8 on the swing rod 4 descends and looses the film, and meanwhile, the first spring 12 on one side of the connecting block 10 extrudes and exerts directional acting force on the second spring 13 on the other side.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a from type membrane straining device, includes frame (1) and rotates wind-up roll (2) of setting on frame (1), its characterized in that: the winding and unwinding device is characterized by further comprising an input roller (3), a swing rod (4), a screw rod (5), a first nut (6) and a second nut (7), wherein the input roller (3) is rotatably arranged on the rack (1), one end of the swing rod (4) is hinged to the rack (1), the other end of the swing rod (4) is rotatably provided with a roller shaft (8), the swing rod (4) is positioned between the input roller (3) and the winding roller (2), the swing rod (4) is axially provided with a guide groove (401), the guide groove (401) is internally provided with a guide block (9) matched with the guide block in a sliding manner, the guide block (9) is rotatably provided with a connecting block (10), the connecting block (10) is transversely provided with a through hole (11), one end of the screw rod (5) penetrates through the through hole (11) and is slidably arranged on the rack (1), and the first nut (6) and the second nut (7) are in threaded connection with the screw rod (5), the first nut (6) and the second nut (7) are respectively located at two ends of the connecting block (10), a first spring (12) is arranged between the first nut (6) and the connecting block (10), and a second spring (13) is arranged between the second nut (7) and the connecting block (10).

2. The release film tensioning mechanism according to claim 1, wherein: the improved screw rod is characterized in that a sliding groove (101) is formed in the rack (1) in the vertical direction, a sliding block (14) matched with the sliding groove (101) is arranged at one end of the screw rod (5), and the sliding block (14) is arranged in the sliding groove (101) in an interactive mode.

3. The release film tensioning mechanism according to claim 2, wherein: the sliding block (14) and the screw rod (5) are in threaded connection with each other.

4. The release film tensioning mechanism according to claim 3, wherein: the two swing rods (4) are oppositely arranged on two sides of the sliding chute (101), and the rotation centers of the swing rods (4) on two sides of the sliding chute (101) are overlapped with each other.