CN215885756U

CN215885756U - A roll-up levels device for plastic film

Info

Publication number: CN215885756U
Application number: CN202122241420.7U
Authority: CN
Inventors: 张来根
Original assignee: Anhui Runyu Medical Packaging Material Co ltd
Current assignee: Anhui Runyu Medical Packaging Material Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-02-22
Anticipated expiration: 2031-09-15

Abstract

The utility model relates to the technical field of plastic film flattening devices, in particular to a winding flattening device for a plastic film, which comprises a central shaft, wherein two limiting sleeves are arranged on the central shaft, the two limiting sleeves are both abutted against rubber sleeves, a fixing structure is arranged on each limiting sleeve, each fixing structure comprises a second lead screw, the limiting sleeves are rotatably connected with the second lead screws, the second lead screws are in threaded connection with abutting blocks, the abutting blocks are slidably connected with the limiting sleeves and abutted against connecting rings, the connecting rings are slidably connected with the limiting sleeves and abutted against a plurality of sliding blocks, the sliding blocks are slidably connected with the limiting sleeves and abutted against clamping blocks, and the clamping blocks are slidably connected with the limiting sleeves and clamped with the central shaft; the quick installation of stop collar is convenient to realize, has shortened the time of stop collar installation, has improved the efficiency of stop collar installation.

Description

A roll-up levels device for plastic film

Technical Field

The utility model relates to a flattening device, in particular to a winding flattening device for a plastic film, and belongs to the technical field of plastic film flattening devices.

Background

When a plastic film is produced, before the film enters a roller for winding, under the action of tensile stress, longitudinal wrinkles appear between two parts or two rollers, the spatial distance is larger, the wrinkles are serious, and if the wrinkles are not timely generated, a gap is generated when the film is cut, so that the defects of film breakage and the like are generated, therefore, flattening rollers are arranged at the positions, the flattening rollers are one type of flattening rollers, the shape of the flattening rollers is like a banana, the flattening rollers are provided with a banana-shaped mandrel, a plurality of rolling bearings with the same size, the same interval and the same axial symmetry are sleeved on the mandrel, the bearings are separated by a spiral spring sheet, rubber is coated outside the bearings, spherical bearings are arranged at two shaft ends of the mandrel, the mandrel is fixed during operation, and the rubber sleeve is driven by a transmission belt to rotate to be in inclined contact with the transverse direction of the film, the angle of slope can be adjusted through twisting the mandrel, and this kind of nip roll excellent in use effect, and it is big to open up the flat power, adjusts the convenience, installs before the contact roller of rolling machine usually.

However, traditional shape nip rolls can carry on spacingly through two stop collars to the rubber sleeve at the in-process of installation, and the stop collar is connected through a plurality of bolts and central axle, need turn round tight bolt one by one at the in-process of installation stop collar, and it is comparatively inconvenient to install.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, and provides a winding and flattening device for a plastic film, which is convenient for realizing the quick installation of a limiting sleeve, shortens the installation time of the limiting sleeve and improves the installation efficiency of the limiting sleeve.

The utility model realizes the purpose through the following technical scheme, and the winding flattening device for the plastic film comprises a central shaft, wherein two limiting sleeves are arranged on the central shaft, the two limiting sleeves are both abutted against rubber sleeves, a fixing structure is arranged on each limiting sleeve, each fixing structure comprises a second lead screw, the limiting sleeves are rotatably connected with the second lead screws, the second lead screws are in threaded connection with abutting blocks, the abutting blocks are slidably connected with the limiting sleeves and abutted against connecting rings, the connecting rings are slidably connected with the limiting sleeves and abutted against a plurality of sliding blocks, the sliding blocks are slidably connected with the limiting sleeves and abutted against clamping blocks, and the clamping blocks are slidably connected with the limiting sleeves and clamped with the central shaft.

Preferably, the fixture block is connected to a return spring, and the return spring is connected to the limiting sleeve.

Preferably, a clamping groove is formed in the limiting sleeve, the cross section of the clamping groove is of a triangular structure, and the clamping groove is of a circular ring structure.

Preferably, the section of the second screw rod is of a T-shaped structure, and a first groove matched with the hexagonal wrench is formed in the end part of the second screw rod.

Preferably, the connecting ring is of a circular ring structure, and the plurality of sliding blocks are distributed in a circumferential array around the axis of the connecting ring.

Preferably, the sliding block is perpendicular to the connecting ring, and the sliding block is perpendicular to the clamping block.

Preferably, one end of the section of the sliding block is of a trapezoid structure, one end of the section of the clamping block is of a trapezoid structure, and the other end of the section of the clamping block is of a triangular structure.

Preferably, the central shaft is connected to the two supporting plates through a bearing, the supporting plates are provided with two mounting grooves, and the supporting plates are provided with two retaining structures.

Preferably, the blocking structure comprises first lead screws, the supporting plate is rotatably connected with the two first lead screws, the first lead screws are in threaded connection with a baffle, the baffle is connected to the supporting plate in a sliding manner, the supporting plate is provided with a sliding groove, and the baffle is in sliding fit with the sliding groove.

Preferably, the baffle is of an L-shaped structure, and a second groove matched with the hexagonal wrench is formed in the end of the first screw rod.

The utility model has the beneficial effects that: the limiting sleeve is rotatably connected with a second screw rod, the second screw rod is in threaded connection with a resisting block, the resisting block is slidably connected with the limiting sleeve and is abutted against the connecting ring, the connecting ring is slidably connected with the limiting sleeve and is abutted against the plurality of sliding blocks, the sliding blocks are slidably connected with the limiting sleeve and are abutted against the clamping blocks, the clamping blocks are slidably connected with the limiting sleeve and are clamped with the central shaft, the limiting sleeve is sleeved on the central shaft, the second screw rod is rotated by a wrench, the second screw rod drives the resisting block to move towards the connecting ring in a threaded manner, the resisting blocks are abutted against the connecting ring, the connecting ring is abutted against the plurality of sliding blocks, the sliding blocks are abutted against the clamping block to move towards the central shaft, when the clamping blocks are contacted with the central shaft, the end parts of the clamping blocks are obliquely arranged, so that the limiting sleeve and the central shaft can be close to each other until the limiting sleeve and the central shaft are abutted against, the wrench is stopped at the moment, the quick installation of the limiting sleeve is realized, and the installation time of the limiting sleeve is shortened, the efficiency of stop collar installation has been improved.

Drawings

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

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

FIG. 3 is an enlarged view of the portion B shown in FIG. 1;

FIG. 4 is a schematic view of the connection structure of the central shaft and the stop collar of the present invention;

fig. 5 is an enlarged schematic view of the portion C shown in fig. 4.

In the figure: 1. a limiting sleeve; 2. a rubber sleeve; 3. a resisting structure; 301. a first lead screw; 302. a baffle plate; 303. a chute; 4. a support plate; 5. mounting grooves; 6. a central shaft; 7. a fixed structure; 701. a second lead screw; 702. a resisting block; 703. a connecting ring; 704. a slider; 705. a clamping block; 706. a return spring; 707. a clamping groove.

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. 1-5, a winding leveling device for a plastic film includes a central shaft 6, two position-limiting sleeves 1 are disposed on the central shaft 6, the two position-limiting sleeves 1 both abut against a rubber sleeve 2, a fixing structure 7 is disposed on the position-limiting sleeves 1, the fixing structure 7 includes a second lead screw 701, a second lead screw 701 is rotatably connected to the position-limiting sleeves 1, the second lead screw 701 is in threaded connection with a abutting block 702, the abutting block 702 is slidably connected to the position-limiting sleeves 1 and abuts against a connecting ring 703, the connecting ring 703 is slidably connected to the position-limiting sleeves 1 and abuts against a plurality of sliding blocks 704, the sliding blocks 704 are slidably connected to the position-limiting sleeves 1 and abut against clamping blocks 705, and the clamping blocks 705 are slidably connected to the position-limiting sleeves 1 and are clamped with the central shaft 6.

As a technical optimization scheme of the present invention, the latch 705 is connected to the return spring 706, and the return spring 706 is connected to the position limiting sleeve 1, so that the latch 705 can be returned.

As a technical optimization scheme of the utility model, the stop collar 1 is provided with a clamping groove 707, the section of the clamping groove 707 is in a triangular structure, the clamping groove 707 is in a circular structure, the section of the second lead screw 701 is in a T-shaped structure, and the end of the second lead screw 701 is provided with a first groove matched with a hexagonal wrench, so that the second lead screw 701 can be rotated by the wrench.

As a technical optimization scheme of the present invention, the connection ring 703 is a circular ring structure, the plurality of sliders 704 are distributed in a circumferential array around the axis of the connection ring 703, the sliders 704 are perpendicular to the fixture block 705, one end of the cross section of the sliders 704 is a trapezoid structure, one end of the cross section of the fixture block 705 is a trapezoid structure, and the other end of the cross section of the fixture block 705 is a triangle structure, so that the sliders 704 can slide against the fixture block 705.

As a technical optimization scheme of the utility model, the central shaft 6 is connected to the two support plates 4 through bearings, the two mounting grooves 5 are arranged on the support plates 4, and the two retaining structures 3 are arranged on the support plates 4, so that the flat roller can be supported.

As a technical optimization scheme of the utility model, the retaining structure 3 comprises first lead screws 301, two first lead screws 301 are rotatably connected to the support plate 4, the first lead screws 301 are in threaded connection with a baffle 302, the baffle 302 is slidably connected to the support plate 4, a sliding groove 303 is arranged on the support plate 4, and the baffle 302 and the sliding groove 303 are in sliding fit with each other, so that the bolt is retained by the baffle 302, the situation that the support plate 4 is displaced due to loosening of the bolt in the later period is effectively avoided, and the stability is improved.

As a technical optimization scheme of the utility model, the baffle 302 is in an L-shaped structure, and the end of the first screw rod 301 is provided with a second groove matched with a hexagonal wrench, so that the first screw rod 301 can be rotated by the wrench.

When the utility model is used, firstly, the limiting sleeve 1 is sleeved on the central shaft 6, the second screw rod 701 is rotated by the wrench, the second screw rod 701 drives the abutting block 702 to move towards the connecting ring 703 by screw thread, the abutting block 702 abuts against the connecting ring 703, the connecting ring 703 abuts against the plurality of slide blocks 704, the slide blocks 704 abut against the fixture blocks 705 to move towards the central shaft 6, the return spring 706 contracts, when the fixture blocks 705 contact with the central shaft 6, the limiting sleeve 1 and the central shaft 6 can be mutually close to each other because the end parts of the fixture blocks 705 are obliquely arranged until the limiting sleeve 1 and the central shaft 6 abut against each other, at the moment, the rotation of the wrench is stopped, thereby realizing the rapid installation of the limiting sleeve 1, shortening the installation time of the limiting sleeve 1, improving the installation efficiency of the limiting sleeve 1, further, the supporting plate 4 is fixed on a machine by matching bolts through the plurality of installation grooves 5, after the bolts are fastened, the first screw rod 301 is rotated by the wrench, first lead screw 301 screw thread drive baffle 302 is towards the bolt motion, and when conflicting between baffle 302 and the bolt stall spanner, and then support the bolt through baffle 302, the effectual later stage of having avoided is because the bolt is not hard up and make the condition emergence that backup pad 4 shifted, has improved stability.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a roll-up is leveled device for plastic film, includes center pin (6), its characterized in that: be equipped with two stop collar (1) on center pin (6), two stop collar (1) all contradicts in rubber sleeve (2), be equipped with fixed knot on stop collar (1) and construct (7), fixed knot constructs (7) and includes second lead screw (701), it is connected with second lead screw (701) to rotate on stop collar (1), second lead screw (701) threaded connection has to support piece (702), support piece (702) sliding connection in stop collar (1) and contradict in go-between (703), go-between (703) sliding connection in stop collar (1) and contradict in a plurality of slider (704), slider (704) sliding connection in stop collar (1) and contradict in fixture block (705), fixture block (705) sliding connection in stop collar (1) and with center pin (6) between block.

2. The winding and flattening device for the plastic film according to claim 1, characterized in that: the fixture block (705) is connected to a return spring (706), and the return spring (706) is connected to the limiting sleeve (1).

3. The winding and flattening device for the plastic film according to claim 1, characterized in that: a clamping groove (707) is formed in the limiting sleeve (1), the cross section of the clamping groove (707) is of a triangular structure, and the clamping groove (707) is of a circular ring structure.

4. The winding and flattening device for the plastic film according to claim 1, characterized in that: the section of the second screw rod (701) is of a T-shaped structure, and a first groove matched with a hexagonal wrench is formed in the end of the second screw rod (701).

5. The winding and flattening device for the plastic film according to claim 1, characterized in that: the connecting ring (703) is of a circular ring structure, and the plurality of sliding blocks (704) are distributed in a circumferential array around the axis of the connecting ring (703).

6. The winding and flattening device for the plastic film according to claim 1, characterized in that: the sliding block (704) is perpendicular to the connecting ring (703), and the sliding block (704) is perpendicular to the clamping block (705).

7. The winding and flattening device for the plastic film according to claim 1, characterized in that: one end of the section of the sliding block (704) is of a trapezoid structure, one end of the section of the clamping block (705) is of a trapezoid structure, and the other end of the section of the clamping block (705) is of a triangle structure.

8. The winding and flattening device for the plastic film according to claim 7, characterized in that: the center shaft (6) is connected to the two supporting plates (4) through bearings, the two mounting grooves (5) are formed in the supporting plates (4), and the two retaining structures (3) are arranged on the supporting plates (4).

9. The roll-up flattening apparatus for plastic film according to claim 8, characterized in that: the retaining structure (3) comprises a first screw rod (301), the supporting plate (4) is connected with two first screw rods (301) in a rotating mode, the first screw rods (301) are connected with a baffle (302) in a threaded mode, the baffle (302) is connected to the supporting plate (4) in a sliding mode, a sliding groove (303) is formed in the supporting plate (4), and the baffle (302) is in sliding fit with the sliding groove (303).

10. The roll-up flattening apparatus for plastic film according to claim 9, characterized in that: the baffle (302) is of an L-shaped structure, and a second groove matched with a hexagonal wrench is formed in the end of the first screw rod (301).