CN218057835U

CN218057835U - Unwinding device of complex film cutting machine

Info

Publication number: CN218057835U
Application number: CN202220578374.1U
Authority: CN
Inventors: 杨联全
Original assignee: Wenzhou Quanlian Packaging Materials Co ltd
Current assignee: Wenzhou Quanlian Packaging Materials Co ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-12-16
Anticipated expiration: 2032-03-16

Abstract

The utility model relates to an unwinding device of complex film cutting machine, including frame, supporting seat, unreel roller, the supporting seat be fixed in the frame, the unreel roller rotate to be connected on the supporting seat, the outer wall of unreeling roller on be fixed with the guide bar, the unreel roller on the cover be equipped with the counterweight wheel, the inner wall of counterweight wheel on seted up the guiding groove, guide bar sliding connection in the guiding groove, the counterweight wheel pass through positioning mechanism and be connected with the guide bar. The utility model has the advantages of it is following and effect: the new mechanical structure of this scheme utilization reaches the purpose that promotes production quality.

Description

Unwinding device of complex film cutting machine

Technical Field

The utility model relates to an unwinding device of complex film cutting machine.

Background

And (3) laminating the film by a laminating machine to obtain the composite film.

The composite film is usually slit into smaller finished products by a slitting machine. The unwinding device of the existing splitting machine mainly comprises a frame, a supporting seat and an unwinding roller which is rotatably connected to the supporting seat. When the composite film winding device is used, a paper tube wound with a composite film roll is sleeved on the unwinding roller, and one end of the composite film is pulled out and conveyed through the conveying roller. The composite film is pulled by the transmission roller to drive the unwinding roller to rotate.

However, in actual production, the thickness of the composite film roll is gradually reduced, and the rotating speed of the unwinding roller is gradually increased. Through the effect of centrifugal force, the middle part of compound membrane book can be uplifted gradually, the deformation, and both sides can shrink to the middle part, therefore influence the quality of cutting.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a unwinding device of complex film cutting machine reaches the purpose that promotes the quality of cutting.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an unwinding device of complex film cutting machine, includes frame, supporting seat, unreels the roller, the supporting seat be fixed in the frame, the unreel roller rotate and connect on the supporting seat, the outer wall of unreeling the roller on be fixed with the guide bar, the unreel roller on the cover be equipped with the counterweight wheel, the inner wall of counterweight wheel on seted up the guiding groove, guide bar sliding connection in the guiding groove, the counterweight wheel pass through positioning mechanism and be connected with the guide bar.

By adopting the technical scheme, the counterweight wheel is sleeved on the unwinding roller, the guide rod is connected in the guide groove in a sliding manner, and when the unwinding roller rotates, the counterweight wheel can synchronously rotate along with the unwinding roller through the interference of the guide rod and the inner wall of the guide groove; the counterweight wheel is limited by the positioning mechanism, so that the counterweight wheel is not easy to move along the unwinding roller due to the vibration of the unwinding roller; the friction force between the unwinding roller and the supporting seat is increased through the balancing weight, so that the rotating speed of the unwinding roller is reduced, and the slitting quality of the composite film is improved.

The utility model discloses further set up to: the positioning mechanism comprises a positioning concave hole, an elastic sheet and a positioning column, the positioning concave hole is arranged on the outer wall of the guide rod, one end of the elastic sheet is fixed on the outer wall of the counterweight wheel, the other end of the elastic sheet is fixedly connected with the positioning column, and the positioning column is used for being embedded in the positioning concave hole.

Through adopting above-mentioned technical scheme, remove the counter weight wheel along the length direction of unreeling the roller, when the location shrinkage pool corresponds with the reference column, make the reference column imbed the location shrinkage pool through the elastic force of shell fragment in, the counter weight wheel location is realized to the frictional force of production, and is easy and simple to handle.

The utility model discloses further set up to: the end part of the unwinding roller is provided with a speed reducing mechanism.

Through adopting above-mentioned technical scheme, make the unreeling roller can further slow down, promote and cut the quality.

The utility model discloses further set up to: the reducing mechanism include sleeve pipe, interior pole, elastic component, the sleeve pipe be fixed in the tip of unreeling the roller, interior pole sliding connection in the sleeve pipe, the both ends of elastic component respectively with interior pole, sleeve pipe fixed connection, the supporting seat on be fixed with the friction ring, the friction ring be located unreel the roller outside, the inner wall conflict of pole and friction ring in messenger when unreeling the roller rotation.

Through adopting above-mentioned technical scheme, at the in-process of unreeling the roller fast revolution, through the effect of centrifugal force, interior pole stretches out and contradicts with the inner wall of friction ring from the cover intraductal, and the frictional force that produces makes the rotational speed of unreeling the roller reduce to the quality can promote to the messenger cuts.

The utility model discloses further set up to: and a wear-resistant block made of ceramic is fixed at the end part of the inner rod.

By adopting the technical scheme, the service life is prolonged.

The utility model discloses further set up to: and a balance adjusting component is arranged on the balance weight wheel.

Through adopting above-mentioned technical scheme, make the unwinding roller rotate can be more steady.

The utility model discloses further set up to: the balance adjusting assembly comprises a positioning groove and a plurality of magnets, the positioning groove is formed in the outer wall of the counterweight wheel and is uniformly distributed along the axis of the counterweight wheel, and the magnets are fixed on the inner wall of the positioning groove.

Through adopting above-mentioned technical scheme, with the constant head tank cooperation on magnet and the different positions to make the dynamic balance of unreeling roller can keep steady, make the rotation of unreeling roller can be steady.

To sum up, the utility model discloses following beneficial effect has:

the counterweight wheel is sleeved on the unwinding roller, the guide rod is connected in the guide groove in a sliding manner, and when the unwinding roller rotates, the counterweight wheel can synchronously rotate along with the unwinding roller through the contact between the guide rod and the inner wall of the guide groove; the counterweight wheel is limited by the positioning mechanism, so that the counterweight wheel is not easy to move along the unwinding roller due to the vibration of the unwinding roller; the friction force between the unwinding roller and the supporting seat is increased through the balancing weight, so that the rotating speed of the unwinding roller is reduced, and the slitting quality of the composite film is improved.

Drawings

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

FIG. 2 is a schematic view showing a connection structure of the friction ring and the unwinding roller;

fig. 3 is a schematic structural view showing a reduction mechanism.

Reference numerals are as follows: 1. a frame; 11. a supporting seat; 12. unwinding rollers; 13. a limiting plate; 2. a speed reduction mechanism; 21. a sleeve; 22. an inner rod; 23. an elastic member; 3. a friction ring; 4. a wear-resistant block; 51. a guide rod; 52. a counterweight wheel; 53. a guide groove; 6. a positioning mechanism; 61. positioning concave holes; 62. a spring plate; 63. a positioning column; 7. a balance adjustment assembly; 71. positioning a groove; 72. and a magnet.

Detailed Description

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

As shown in the figure, the unwinding device of the composite film splitting machine comprises a rack 1, a supporting seat 11 and an unwinding roller 12. The supporting seat 11 is fixed on the frame 1, and the unwinding roller 12 is rotatably connected on the supporting seat 11. A limiting plate 13 is arranged on the supporting seat 11 in a penetrating way for realizing the positioning of the unwinding roller 12.

The reduction mechanism 2 is provided at an end of the unwinding roller 12. The speed reducing mechanism 2 includes a sleeve 21, an inner lever 22, and an elastic member 23. A sleeve 21 is fixed to the end of the unwinding roller 12, and an inner rod 22 is slidably coupled in the sleeve 21. The elastic member 23 is a spring, and two ends of the elastic member are respectively fixedly connected with the inner rod 22 and the sleeve 21.

The friction ring 3 is fixed on the supporting seat 11, and the friction ring 3 is positioned outside the unwinding roller 12. When the unwinding roller 12 rotates, the inner rod 22 is extended from the sleeve 21 by the centrifugal force, so that the inner rod 22 abuts against the inner wall of the friction ring 3.

The paper tube wound with the composite film roll is sleeved on the unwinding roller 12. The composite film roll unreels the composite film, when the composite film starts to be unreeled, the rotating speed of the unreeling roller 12 is low, and the inner rod 22 cannot extend out of the sleeve 21 due to the elastic force of the elastic piece 23. Along with the complex film quantity of unreeling increases, the compound film on the unreeling roller 12 rolls up thickness and reduces, and the rotational speed of unreeling roller 12 increases, and interior pole 22 stretches out and contradicts with friction ring 3 from sleeve pipe 21 to the rotational speed that makes the unreeling roller 12 slows down, promotes and cuts the quality.

In order to prolong the service life, a wear-resistant block 4 made of ceramic is fixed at the end of the inner rod 22.

A guide rod 51 is fixed to an outer wall of the unwinding roller 12, and a longitudinal direction of the guide rod 51 is parallel to a longitudinal direction of the unwinding roller 12. The unwinding roller 12 is fitted with a weight wheel 52, and the inner wall of the weight wheel 52 is provided with a guide groove 53. The guide rod 51 is slidably coupled in the guide groove 53.

The weight wheel 52 is connected to the guide rod 51 via the positioning mechanism 6. This positioning mechanism 6 includes location shrinkage pool 61, shell fragment 62, reference column 63. The positioning concave hole 61 is opened in the outer wall of the guide rod 51. The elastic sheet 62 is made of a copper sheet, one end of the elastic sheet is fixed on the outer wall of the counterweight wheel 52, and the other end of the elastic sheet is fixedly connected with the positioning column 63. The positioning column 63 is used for being embedded in the positioning concave hole 61.

The balance weight wheel 52 is provided with a balance adjusting component 7. The balance adjustment assembly 7 includes a positioning groove 71 and a magnet 72. The positioning grooves 71 are formed in the outer wall of the weight wheel 52 and are uniformly distributed along the axis of the weight wheel 52. The magnet 72 is fixed to the inner wall of the positioning groove 71. The number of magnets 72 is less than the number of positioning grooves 71.

The counterweight wheel 52 is sleeved on the unwinding roller 12, the guide rod 51 is connected in the guide groove 53 in a sliding way, and when the unwinding roller 12 rotates, the counterweight wheel 52 can synchronously rotate along with the unwinding roller 12 through the contact between the guide rod 51 and the inner wall of the guide groove 53; the counterweight wheel 52 is limited by the positioning mechanism 6, so that the counterweight wheel 52 is not easy to move along the unwinding roller 12 due to the vibration of the unwinding roller 12; the friction force between the unwinding roller 12 and the supporting seat 11 is increased through the balancing weight, so that the rotating speed of the unwinding roller 12 is reduced, and the slitting quality of the composite film is improved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an unwinding device of complex film cutting machine, includes frame, supporting seat, unreels the roller, the supporting seat be fixed in the frame, unreel the roller and rotate to connect characterized by on the supporting seat: the unwinding roller outer wall on be fixed with the guide bar, the unwinding roller on the cover be equipped with the counterweight wheel, the inner wall of counterweight wheel on seted up the guiding groove, guide bar sliding connection in the guiding groove, the counterweight wheel pass through positioning mechanism and be connected with the guide bar.

2. The unwinding device of the composite film splitting machine as claimed in claim 1, characterized in that: the positioning mechanism comprises a positioning concave hole, an elastic sheet and a positioning column, the positioning concave hole is arranged on the outer wall of the guide rod, one end of the elastic sheet is fixed on the outer wall of the counterweight wheel, the other end of the elastic sheet is fixedly connected with the positioning column, and the positioning column is used for being embedded in the positioning concave hole.

3. The unwinding device of the compound film slitter of claim 1, wherein: the end part of the unwinding roller is provided with a speed reducing mechanism.

4. The unwinding device of the composite film splitting machine as claimed in claim 3, characterized in that: the speed reducing mechanism comprises a sleeve, an inner rod and an elastic part, the sleeve is fixed at the end part of the unwinding roller, the inner rod is connected in the sleeve in a sliding manner, the two ends of the elastic part are fixedly connected with the inner rod and the sleeve respectively, a friction ring is fixed on the supporting seat and is positioned outside the unwinding roller, and the inner rod is abutted against the inner wall of the friction ring when the unwinding roller rotates.

5. The unwinding device of the compound film slitter of claim 4, wherein: and a wear-resistant block made of ceramics is fixed at the end part of the inner rod.

6. The unwinding device of the compound film slitter of claim 1, wherein: and a balance adjusting component is arranged on the counterweight wheel.

7. The unwinding device of the composite film splitting machine as claimed in claim 6, characterized in that: the balance adjusting assembly comprises a positioning groove and a plurality of magnets, the positioning groove is formed in the outer wall of the counterweight wheel and is uniformly distributed along the axis of the counterweight wheel, and the magnets are fixed on the inner wall of the positioning groove.