CN218478297U

CN218478297U - Film coiling mechanism

Info

Publication number: CN218478297U
Application number: CN202222623400.0U
Authority: CN
Inventors: 贾秀珍; 凌敏; 沈君
Original assignee: Shanghai Yilu Packaging Materials Co ltd
Current assignee: Shanghai Yilu Packaging Materials Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-02-14
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to a film coiling mechanism, relate to the field of film rolling equipment, which comprises a bod, the wind-up roll of setting on the organism and be used for compressing tightly the compression roller of reel, the compression roller includes the depression bar, eccentric wheel and pinch roller, the depression bar is on a parallel with the wind-up roll, run through on the eccentric wheel and seted up eccentric shaft hole, the depression bar slips in the shaft hole, pinch roller coaxial rotation is fixed in on the eccentric wheel, the eccentric wheel is provided with the multiunit with the pinch roller along the length direction of pinch roller, still be provided with on the organism and be used for driving the compression roller and be close to or keep away from the compressing tightly subassembly of wind-up roll. This application is through setting up the eccentric wheel on the depression bar to coaxial rotation sets up the pinch roller on the eccentric wheel, compresses tightly the pinch roller on the reel through compressing tightly the subassembly, and when having the arch on the reel, the arch can be with depression bar jack-up that makes progress, and the eccentric wheel that is vacated can be at certain angle of decurrent rotation under gravity, makes the pinch roller paste all the time on the film, thereby can effectively prevent the film decoiling.

Description

Film coiling mechanism

Technical Field

The application relates to the field of film rolling equipment, in particular to a film rolling device.

Background

The film is a thin, soft, transparent sheet. Made of plastic, adhesive, rubber or other materials.

In the related technology, the width of the produced film is wider, and the film needs to be cut into different widths for rolling, so that the film is convenient to use later. When a plurality of films with different widths are cut, the films need to be wound simultaneously, and in order to ensure that the films are always attached to the winding drum in the winding process, a driven roller is arranged on the device and used for compressing the films.

In practical use, the produced film has uneven thickness and error of several micrometers, and the processing error of the same equipment is always at the same point. When the film is rolled, the film may have a position with a large thickness and is rolled at the same position all the time, after hundreds of kilometers of rolling, the film with the large thickness can form a bulge on the winding drum, and in the rolling process, the driven roller can be outwards jacked up by the bulge position, so that the driven roller leaves the films of other rolling processes, other films cannot be pressed, and the film is unrolled.

SUMMERY OF THE UTILITY MODEL

In order to prevent the film from being unwound, the application provides a film winding device, and in the winding process, the pinch roller can be pressed on the film all the time.

The application provides a film coiling mechanism adopts following technical scheme:

the utility model provides a film coiling mechanism, is in including organism, setting wind-up roll on the organism and be used for compressing tightly the pinch roller of reel, the pinch roller includes depression bar, eccentric wheel and pinch roller, the depression bar is on a parallel with the wind-up roll, run through on the eccentric wheel and seted up eccentric shaft hole, the depression bar slide insert in the shaft hole, the coaxial rotation of pinch roller is fixed in on the eccentric wheel, the eccentric wheel with the pinch roller is followed the length direction of pinch roller is provided with the multiunit, still be provided with on the organism and be used for the drive the pinch roller is close to or keeps away from the subassembly that compresses tightly of wind-up roll.

By adopting the technical scheme, the eccentric wheel is provided with an eccentric shaft hole, the pressure rod is inserted into the shaft hole in a sliding manner, so that the eccentric wheel can rotate on the pressure rod, and the pressure wheel is coaxially and rotatably fixed on the eccentric wheel; when the pressing device is used, the pressing wheel is pressed on the winding drum through the pressing assembly, and under the pressing force of the pressing assembly, the side, with the short distance from the eccentric wheel to the pressing rod, of the eccentric wheel is pressed on the winding drum; when the winding drum is provided with the protrusions which are generated due to the fact that the thickness of the film is not uniform, the protrusions can jack the whole pressing rod upwards in the winding process, the eccentric wheels in other windings can be used in gravity, one side of each eccentric wheel far away from the corresponding pressing rod rotates downwards, the pressing wheel can be pressed on the film all the time, and therefore the film can be effectively prevented from being unwound in the winding process.

Optionally, the compression roller further comprises positioning sleeves detachably fixed on the compression bar, two positioning sleeves are arranged corresponding to each of the compression rollers, and the two positioning sleeves are respectively located at two ends of each compression roller.

By adopting the technical scheme, the positioning sleeves which are detachably fixed are arranged on the compression bar on the two sides of the pressing wheel, when films with different widths are wound, winding drums with different lengths need to be replaced, and the position of the pressing wheel also needs to be adjusted; when the position of the pressing wheel needs to be adjusted, the positioning sleeve can be detached, the pressing wheel slides to a proper position, and then the positioning sleeve is fixed at two ends of the pressing wheel to be positioned, so that the use is facilitated.

Optionally, the compressing assembly comprises a swing arm and a driving piece, the swing arm is provided with two parts which are respectively fixed on two sides of the machine body in a rotating mode, two ends of the pressing rod are respectively fixed on the two swing arms, and the driving piece is arranged on the machine body and used for driving the swing arms to be close to or far away from the winding roller.

Through adopting above-mentioned technical scheme, rotate at the organism both sides and set up the swing arm, fix the depression bar on the swing arm, be close to or keep away from the wind-up roll through first driving piece drive depression bar, need not manual operation, facilitate the use.

Optionally, a tightening roller for tightening the film is rotatably arranged on the machine body.

Through adopting above-mentioned technical scheme, set up the pinch-roller on the organism, when the rolling film, wind the pinch-roller upside with the film from the pinch-roller downside earlier, tighten the film and carry out the rolling again, help improving the rolling quality of film.

Optionally, a plurality of exhaust grooves are formed in the outer side surface of the tightening roller.

By adopting the technical scheme, in the process of quickly rolling the film, an air film can be formed on the surface of the film, so that the film slides on the tightening roller, the film is easy to deviate, and the film is unwound; the air exhaust grooves are formed in the tightening rollers and can damage air films on the surfaces of the films, so that the films are tightly attached to the tightening rollers, meanwhile, the friction force of the films on the tightening rollers can be increased through the air exhaust grooves, and the films can be effectively prevented from slipping on the tightening rollers to cause unwinding.

Optionally, the winding roller is provided with a limiting rod, the limiting rod is parallel to the winding roller, the limiting rod is slidably sleeved with a plurality of limiting sleeves, the limiting sleeves are tightly abutted to the limiting rod through bolts, and the winding roller is further provided with a driving assembly for driving the limiting rod to be close to or far away from the winding roller.

Through adopting above-mentioned technical scheme, when using, establish the reel cover on the wind-up roll, be close to the wind-up roll through drive assembly drive gag lever post, then adjust the position of stop collar, through stop collar restriction reel position, support the stop collar tight fixation on the gag lever post through the bolt after the stop collar has been adjusted, simple structure, practicality.

Optionally, the drive assembly sets up including rotating rocking arm on the organism and being used for the drive the rocking arm is close to or keeps away from the second driving piece of wind-up roll, the rocking arm is provided with two and is located respectively the both sides of organism, the both ends of gag lever post are fixed in two respectively on the rocking arm.

Through adopting above-mentioned technical scheme, rotate at the organism both sides and set up the rocking arm, fix the gag lever post on the rocking arm, be close to or keep away from the wind-up roll through second driving piece drive gag lever post, simple structure, convenient operation.

Optionally, the bolt for fixing the position limiting sleeve is a handle bolt.

Through adopting above-mentioned technical scheme, the bolt that will fix the stop collar sets up to the handle bolt, makes things convenient for manually to fix.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the eccentric wheel is used, the pressing wheel is pressed on the winding drum through the pressing component, one side of the eccentric wheel close to the pressing rod is pressed on the winding drum under the pressing force of the pressing component, and when a bulge generated by uneven film thickness exists on the winding drum, the bulge can jack the whole pressing rod upwards in the winding process, eccentric wheels in other windings can be used under the gravity, and one side of the eccentric wheel far away from the pressing rod rotates downwards, so that the pressing wheel can be pressed on the film all the time, and the unwinding in the winding process of the film is effectively prevented;

2. can dismantle fixed position sleeve through setting up in the both sides of pinch roller on the depression bar, when the film of the different width of rolling, need follow the reel of trading different length, the position of pinch roller also need adjust, when needs adjustment pinch roller position, can slide the pinch roller to suitable position after through dismantling the position sleeve, fix a position the position sleeve at the pinch roller both ends again, facilitate the use.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

fig. 2 is a schematic structural diagram of a salient pressure roller according to an embodiment of the application.

Reference numerals: 1. a body; 11. a wind-up roll; 12. a pressure roller; 121. a pressure lever; 122. an eccentric wheel; 1221. a shaft hole; 123. a pinch roller; 124. a positioning sleeve; 13. a drive motor; 14. a tension roller; 141. an exhaust duct; 2. a compression assembly; 21. a rotating shaft; 22. swinging arms; 23. a first driving member; 3. a limiting rod; 31. a position limiting sleeve; 32. a handle bolt; 33. a drive assembly; 331. a rocker arm; 332. a second driving member.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses film coiling mechanism, refer to fig. 1 and 2, including organism 1, be provided with wind-up roll 11, pinch roller 12 and be used for driving motor 13 of wind-up roll 11 on organism 1. The winding roller 11 is arranged as a slip shaft, and the winding roller 11 is rotationally fixed on the machine body 1 through a bearing. Still be provided with on organism 1 and be used for driving compressing roller 12 to be close to or keep away from wind-up roll 11 compress tightly subassembly 2, when production, establish the reel cover on wind-up roll 11 and expand the reel tightly, then roll up the film on the reel, compress tightly the upside at the reel through compressing tightly subassembly 2 drive compressing roller 12, driving motor 13 drive wind-up roll 11 carries out the rolling.

The pressing roller 12 comprises a pressing rod 121, an eccentric wheel 122 and a pressing wheel 123, the pressing rod 121 is a cylindrical rod body with a smooth surface, and the axis of the pressing rod 121 is parallel to the axis of the winding roller 11. The eccentric wheel 122 is a circular plate, an eccentric shaft hole 1221 penetrates through the eccentric wheel 122, and the pressing rod 121 is slidably inserted in the shaft hole 1221; the pressing wheel 123 is a metal cylindrical tube, a plurality of eccentric wheels 122 are arranged along the length direction of the pressing rod 121, and the pressing wheel 123 is coaxially and rotatably fixed on the eccentric wheel 122 through a bearing. The pressing rod 121 is sleeved with a plurality of annular positioning sleeves 124, two positioning sleeves 124 are arranged on each pressing wheel 123 and located at two ends of each pressing wheel 123, the positioning sleeves 124 are in sliding fit with the pressing rod 121, and the positioning sleeves 124 are tightly fixed on the pressing rod 121 through bolts.

When the films with different widths are wound, the position of the pressing wheel 123 needs to be adjusted to adapt to the position of a winding drum, when the position of the pressing wheel 123 needs to be adjusted, the positioning sleeve 124 and the eccentric wheel 122 are slid by loosening the bolts on the positioning sleeve 124, the pressing wheel 123 is adjusted in place, then the positioning sleeve 124 is moved to two ends of the pressing wheel 123, and the positioning sleeve 124 is fixed by tightening the fixing bolts on the positioning sleeve 124.

The compressing assembly 2 comprises a rotating shaft 21, a swing arm 22 and a first driving part 23, wherein the rotating shaft 21 is rotationally fixed on the machine body 1 through a bearing; the swing arm 22 is a rectangular rod, the swing arm 22 is provided with two parts which are respectively positioned at two sides of the machine body 1, the swing arm 22 is fixed on the rotating shaft 21 through a bolt, and the length direction of the swing arm 22 is perpendicular to the length direction of the rotating shaft 21. The first driving parts 23 are provided as air cylinders, two first driving parts 23 are arranged corresponding to the swing arms 22, and the two first driving parts 23 are respectively installed on two sides of the machine body 1; the piston rod of the first driving member 23 is hinged and fixed on the swing arm 22, and the other end is hinged and fixed on the machine body 1. In use, the swing arm 22 is driven by the first driving piece 23 to press the pressing roller 12 on the upper side of the winding drum to press and wind the film.

A tightening roller 14 is rotationally fixed on one side of the machine body 1 close to the feeding hole through a bearing, the axis of the tightening roller 14 is parallel to the winding roller 11, the height of the tightening roller 14 is lower than that of the winding roller 11, and a plurality of exhaust grooves 141 are formed in the outer side wall of the winding roller 11 in a crossed mode along the circumferential direction. During production, the film is wound from the lower side of the tightening roller 14 to the upper side of the pressing roller 123, passes through the space between the pressing roller 123 and the winding roller 11 and is finally wound on a winding drum; in the process of quick rolling, a layer of air film is generated on the surface of the film, so that the film is easy to transversely slide on the tightening roller 14, the film is easy to unwind, and the production is interrupted; the air discharge grooves 141 are formed in the tension roller 14 to break the air film, thereby preventing the film from sliding transversely on the tension roller 14.

Still be provided with the gag lever post 3 that is used for restricting the reel position on wind-up roll 11 on organism 1, gag lever post 3 is on a parallel with wind-up roll 11, and the cover is equipped with a plurality of ring form stop collars 31 on gag lever post 3, and stop collar 31 runs through set up threaded hole on the lateral wall of stop collar 31 with gag lever post 3 sliding fit, has twisted handle bolt 32 in threaded hole, and stop collar 31 is screwed up through handle bolt 32 and is fixed on gag lever post 3. A driving component 33 for driving the limiting rod 3 to approach or depart from the wind-up roll 11 is further arranged on the machine body 1, and the driving component 33 comprises a rocker arm 331 fixed on the machine body 1 in a rotating mode through a bearing and a second driving piece 332 for driving the rocker arm 331. The two rocker arms 331 are respectively located at two sides of the machine body 1, and two ends of the limiting rod 3 are fixed on the two rocker arms 331. The second driving member 332 is configured as an air cylinder, a piston rod of the second driving member 332 is hinged and fixed on the rocker arm 331, and the other end of the second driving member 332 is hinged and fixed on the machine body 1.

When the installation reel, can be close to wind-up roll 11 through drive assembly 33 drive gag lever post 3, after the position has been adjusted to the reel, through the both ends of slip stop collar 31 butt in the reel, then fix with handle bolt 32, at the rolling in-process, stop collar 31 can prevent that the reel from taking place the displacement. When the winding drum is replaced, the installation position of the winding drum can be quickly determined according to the position of the limiting sleeve 31, and the production efficiency is improved.

The implementation principle of a film coiling mechanism disclosed by the embodiment of the application is as follows: by arranging the eccentric wheel 122, when in use, the swing arm 22 is driven by the first driving part 23 to press the pressing wheel 123 on the winding drum, and under the pressing force of the first driving part 23, one side of the eccentric wheel 122 close to the pressing rod 121 is pressed on the winding drum; when the winding drum has the bulge generated by the uneven thickness of the film, the bulge can jack the whole pressing rod 121 upwards, the eccentric wheels 122 in other winding can downwards rotate in the gravity, so that the side, far away from the pressing rod 121, of the eccentric wheel 122 is pressed on the film, the pressing wheel 123 is always attached to the film, and the film can be effectively prevented from being unwound in the winding process.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A film winding device is characterized in that: including organism (1), setting up wind-up roll (11) and the pinch roller (12) that are used for compressing tightly the reel on organism (1), pinch roller (12) are including depression bar (121), eccentric wheel (122) and pinch roller (123), depression bar (121) are on a parallel with wind-up roll (11), run through on eccentric wheel (122) and seted up eccentric shaft hole (1221), depression bar (121) sliding insertion in shaft hole (1221), pinch roller (123) coaxial rotation is fixed in on eccentric wheel (122), eccentric wheel (122) with pinch roller (123) are followed the length direction of depression bar (121) is provided with the multiunit, still be provided with on organism (1) and be used for the drive pinch roller (12) are close to or keep away from compress tightly subassembly (2) of wind-up roll (11).

2. The film winding device as claimed in claim 1, wherein: the pressing roller (12) further comprises positioning sleeves (124) detachably fixed on the pressing rod (121), two positioning sleeves (124) are arranged corresponding to each pressing wheel (123), and the two positioning sleeves (124) are respectively located at two ends of each pressing wheel (123).

3. The film winding device as claimed in claim 1, wherein: compress tightly subassembly (2) and include swing arm (22) and first driving piece (23), swing arm (22) are provided with two and rotate respectively and are fixed in organism (1) both sides, the both ends of depression bar (121) are fixed in two respectively on swing arm (22), first driving piece (23) set up in be used for the drive on organism (1) swing arm (22) are close to or keep away from wind-up roll (11).

4. A film take-up device as claimed in claim 1, wherein: a tightening roller (14) for tightening the film is rotatably arranged on the machine body (1).

5. The film winding device according to claim 4, wherein: a plurality of exhaust grooves (141) are arranged on the outer side surface of the tightening roller (14).

6. A film take-up device as claimed in claim 1, wherein: be provided with gag lever post (3) on organism (1), gag lever post (3) are on a parallel with wind-up roll (11), it is equipped with a plurality of stop collars (31) to slide on gag lever post (3), stop collar (31) support tightly in through the bolt on gag lever post (3), still be provided with on organism (1) and be used for the drive gag lever post (3) are close to or keep away from drive assembly (33) of wind-up roll (11).

7. The film winding device as claimed in claim 6, wherein: drive assembly (33) are including rotating setting up rocking arm (331) on organism (1) and being used for the drive rocking arm (331) are close to or keep away from second drive piece (332) of wind-up roll (11), rocking arm (331) are provided with two and are located respectively the both sides of organism (1), the both ends of gag lever post (3) are fixed in two respectively on rocking arm (331).

8. The film winding device as claimed in claim 6, wherein: the bolt for fixing the limiting sleeve (31) is a handle bolt (32).