CN215557659U

CN215557659U - Polyethylene film stretching device

Info

Publication number: CN215557659U
Application number: CN202121307800.XU
Authority: CN
Inventors: 洪宝棋
Original assignee: Guangzhou Huihong Packaging Products Co ltd
Current assignee: Guangzhou Huihong Packaging Products Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-01-18
Anticipated expiration: 2031-06-11

Abstract

The utility model relates to the technical field of polyethylene films, in particular to a polyethylene film stretching device which comprises a supporting frame, wherein a motor is fixedly connected to one side of the supporting frame, a connecting disc is fixedly connected to one side of the motor, a clamping block is fixedly connected to one side, away from the motor, of the connecting disc, a first connecting block is connected to the outer surface of the clamping block in a sliding mode, and a stretching roller is fixedly connected to one side of the first connecting block. The utility model has the advantages that: through the cooperation setting between fixture block, first connecting block, stretch roll, second connecting block, fixed column, lead screw, movable plate, turning block, spring and the splint, pulling splint break away from the fixed column, rotate the knob, the movable plate drives the turning block and keeps away from the second connecting block, slip stretch roll drives first connecting block and breaks away from the fixture block, changes new stretch roll, the reverse rotation knob, the movable plate drives the turning block and is close to the second connecting block, splint cover is on the fixed column, conveniently changes stretch roll, improves change efficiency.

Description

Polyethylene film stretching device

Technical Field

The utility model relates to the technical field of polyethylene films, in particular to a polyethylene film stretching device.

Background

PE film, i.e. polyethylene film, refers to a film produced from PE particles. The PE film has moisture resistance and small moisture permeability. The polyethylene film (PE) can be used for manufacturing products with different properties such as low-density, medium-density and high-density polyethylene, crosslinked polyethylene and the like according to different manufacturing methods and control means.

The fiber drawing is to make the polymer chains in the polymer align along the direction of external force, thereby improving the structure and mechanical property of the polymer. In the stretching process, if the force is too large, the polymer is damaged, and if the force is too small, the stretching effect is difficult to achieve, so that the proper force is a key for stretching.

Different stretching rollers are needed to be used for different polyethylene films, the existing stretching rollers are inconvenient to replace, and the replacement efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a polyethylene film stretching device which effectively overcomes the defects in the prior art.

The purpose of the utility model is realized by the following technical scheme: a polyethylene film stretching device comprises a support frame, wherein a motor is fixedly connected to one side of the support frame, a connecting disc is fixedly connected to one side of the motor, a clamping block is fixedly connected to one side, away from the motor, of the connecting disc, a first connecting block is connected to the outer surface of the clamping block in a sliding mode, a stretching roller is fixedly connected to one side of the first connecting block, a second connecting block is fixedly connected to one end, away from the first connecting block, of the stretching roller, a fixed column is fixedly connected to the inside of the second connecting block, a lead screw is connected to the inner thread of the support frame, a knob is fixedly connected to one end of the lead screw, a moving plate is connected to one end, away from the knob, of the lead screw in a rotating mode through a bearing, a guide rod is fixedly connected to one side, close to the lead screw, of the moving plate, a first limiting piece is fixedly connected to one end, away from the guide rod, of the moving plate, is connected to a rotating block through a bearing in a rotating mode, one side fixedly connected with montant of turning block, one side fixedly connected with cylinder that the turning block was kept away from to the montant, the spacing piece of one end fixedly connected with second that the montant was kept away from to the cylinder, the spring has been cup jointed to cylindrical surface, the surface sliding connection of montant has splint.

Optionally, the shape of the clamping block is matched with the shape of the clamping groove in the first connecting block, and the clamping plate is connected with the fixing column in a sliding mode.

Optionally, the support frame is U-shaped, the guide rod is slidably connected with the support frame, and the guide rod penetrates through the support frame.

Optionally, the first limiting piece is circular, and the diameter of the first limiting piece is larger than that of the guide rod.

Optionally, the second limiting piece is circular, and the diameter of the second limiting piece is larger than that of the cylinder.

Optionally, the spring is located between the clamping plate and the second limiting plate.

Optionally, one side fixedly connected with mounting panel of support frame, the mounting hole has been seted up to the one corner of mounting panel, the quantity of mounting hole is four, four the mounting hole is located the four corners of mounting panel.

The utility model has the following advantages:

this polyethylene film stretching device, surface sliding connection through the fixture block has first connecting block, and the stretching roller, the second connecting block, the fixed column, the lead screw, the movable plate, the turning block, cooperation setting between spring and the splint, when the user uses, pulling splint break away from the fixed column, splint compression spring, it rotates the knob and drives the lead screw rotation to rotate, under the effect of screw thread, the lead screw drives the movable plate and removes, the movable plate drives the guide bar and has played the effect of direction in the inside slip of support frame, the second connecting block is kept away from to the movable plate drive turning block, the first connecting block of slip stretching roller drive breaks away from the fixture block, change new stretching roller, the fixture block blocks into the second connecting block, the reverse rotation knob, the movable plate drives the turning block and is close to the second connecting block, splint cover is on the fixed column, the spring withstands splint, conveniently change stretching roller, improve change efficiency.

Drawings

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

FIG. 2 is a schematic diagram of the explosive structure of the present invention;

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

In the figure: 1-supporting frame, 2-motor, 3-connecting disc, 4-clamping block, 5-first connecting block, 6-stretching roller, 7-second connecting block, 8-fixed column, 9-lead screw, 10-knob, 11-moving plate, 12-guide rod, 13-first limiting sheet, 14-rotating block, 15-vertical rod, 16-cylinder, 17-second limiting sheet, 18-spring, 19-clamping plate, 20-mounting plate and 21-mounting hole.

Detailed Description

The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.

As shown in fig. 1 to 3, a polyethylene film stretching device comprises a support frame 1, a motor 2 is fixedly connected to one side of the support frame 1, a connecting disc 3 is fixedly connected to one side of the motor 2, a clamping block 4 is fixedly connected to one side of the connecting disc 3 far away from the motor 2, a first connecting block 5 is slidably connected to the outer surface of the clamping block 4, a stretching roller 6 is fixedly connected to one side of the first connecting block 5, a second connecting block 7 is fixedly connected to one end of the stretching roller 6 far away from the first connecting block 5, a fixed column 8 is fixedly connected to the inside of the second connecting block 7, a lead screw 9 is connected to the inside of the support frame 1 through a thread, a knob 10 is fixedly connected to one end of the lead screw 9, a movable plate 11 is rotatably connected to one end of the lead screw 9 far away from the knob 10 through a bearing, a guide rod 12 is fixedly connected to one side of the movable plate 11, a first limiting piece 13 is fixedly connected to one end of the guide rod 12 far away from the movable plate 11, one side of the movable plate 11, which is far away from the guide rod 12, is rotatably connected with a rotating block 14 through a bearing, one side of the rotating block 14 is fixedly connected with a vertical rod 15, one side of the vertical rod 15, which is far away from the rotating block 14, is fixedly connected with a cylinder 16, one end of the cylinder 16, which is far away from the vertical rod 15, is fixedly connected with a second limiting sheet 17, the outer surface of the cylinder 16 is sleeved with a spring 18, the outer surface of the vertical rod 15 is slidably connected with a clamping plate 19, when a user uses the device, the clamping plate 19 is pulled to be separated from the fixed column 8, the clamping plate 19 compresses the spring 18, the rotating knob 10 drives the screw 9 to rotate, under the action of threads, the screw 9 drives the movable plate 11 to move, the movable plate 11 drives the guide rod 12 to slide in the support frame 1 to play a role in guiding, the movable plate 11 drives the rotating block 14 to be far away from the second connecting block 7, the sliding stretching roller 6 drives the first connecting block 5 to be separated from the clamping block 4, a new stretching roller 6 is replaced, and the clamping block 4 is clamped in the second connecting block 7, the knob 10 is rotated reversely, the moving plate 11 drives the rotating block 14 to be close to the second connecting block 7, the clamping plate 19 is sleeved on the fixing column 8, the spring 18 abuts against the clamping plate 19, the stretching roller 6 is convenient to replace, and the replacing efficiency is improved.

As an optional technical scheme of the utility model: the shape of fixture block 4 and the inside draw-in groove shape looks adaptation of first connecting block 5, splint 19 and fixed column 8 sliding connection can fix stretching roller 6.

As an optional technical scheme of the utility model: the shape of support frame 1 is the U-shaped, and guide bar 12 and support frame 1 sliding connection, guide bar 12 run through support frame 1, and the movable plate 11 drives guide bar 12 and has played the effect of direction in the inside slip of support frame 1.

As an optional technical scheme of the utility model: the shape of the first limiting sheet 13 is circular, and the diameter of the first limiting sheet 13 is larger than that of the guide rod 12, so that the guide rod 12 is prevented from being separated from the support frame 1.

As an optional technical scheme of the utility model: the shape of the second limiting sheet 17 is circular, and the diameter of the second limiting sheet 17 is larger than that of the cylinder 16, so that the spring 18 is prevented from being separated from the second limiting sheet 17.

As an optional technical scheme of the utility model: the spring 18 is located between the clamping plate 19 and the second limiting sheet 17, and the spring 18 is pressed against the clamping plate 19 to prevent the clamping plate 19 from being separated from the fixing post 8.

As an optional technical scheme of the utility model: one side fixedly connected with mounting panel 20 of support frame 1, mounting hole 21 has been seted up to mounting panel 20's one corner, and the quantity of mounting hole 21 is four, and four mounting holes 21 are located mounting panel 20's four corners, and four mounting holes 21 are installed.

The working process of the utility model is as follows:

1. when the user uses the device, the clamping plate 19 is pulled to be separated from the fixed column 8, and the clamping plate 19 compresses the spring 18;

2. the knob 10 is rotated to drive the screw rod 9 to rotate, and the screw rod 9 drives the moving plate 11 to move under the action of the threads;

3. the moving plate 11 drives the guide rod 12 to slide in the support frame 1 to play a role in guiding, and the moving plate 11 drives the rotating block 14 to be far away from the second connecting block 7;

4. the sliding stretching roller 6 drives the first connecting block 5 to be separated from the clamping block 4, a new stretching roller 6 is replaced, and the clamping block 4 is clamped into the second connecting block 7;

5. the knob 10 is rotated reversely, the moving plate 11 drives the rotating block 14 to be close to the second connecting block 7, the clamping plate 19 is sleeved on the fixing column 8, and the spring 18 supports against the clamping plate 19.

In summary, the following steps: the polyethylene film stretching device is characterized in that a first connecting block 5, a stretching roller 6, a second connecting block 7, a fixed column 8, a lead screw 9, a moving plate 11, a rotating block 14, a spring 18 and a clamping plate 19 are arranged in a matched mode through the outer surface of a clamping block 4 in a sliding mode, when a user uses the polyethylene film stretching device, the clamping plate 19 is pulled to be separated from the fixed column 8, the clamping plate 19 compresses the spring 18, a rotating knob 10 drives the lead screw 9 to rotate, under the action of threads, the lead screw 9 drives the moving plate 11 to move, the moving plate 11 drives a guide rod 12 to slide in a supporting frame 1 to play a guiding role, the moving plate 11 drives the rotating block 14 to be far away from the second connecting block 7, the sliding stretching roller 6 drives the first connecting block 5 to be separated from the clamping block 4, a new stretching roller 6 is replaced, the clamping block 4 is clamped into the second moving plate 7, the knob 10 is rotated reversely, the rotating block 14 is driven to be close to the second connecting block 7, the clamping plate 19 is sleeved on the fixing column 8, the spring 18 supports against the clamping plate 19, the stretching roller 6 is convenient to replace, and the replacement efficiency is improved.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A polyethylene film stretching device is characterized in that: the device comprises a support frame (1), a motor (2) is fixedly connected to one side of the support frame (1), a connecting disc (3) is fixedly connected to one side of the motor (2), a clamping block (4) is fixedly connected to one side, far away from the motor (2), of the connecting disc (3), a first connecting block (5) is connected to the outer surface of the clamping block (4) in a sliding mode, a stretching roller (6) is fixedly connected to one side of the first connecting block (5), a second connecting block (7) is fixedly connected to one end, far away from the first connecting block (5), of the stretching roller (6), a fixed column (8) is fixedly connected to the inner portion of the second connecting block (7), a lead screw (9) is connected to the inner portion of the support frame (1) in a threaded mode, a knob (10) is fixedly connected to one end of the lead screw (9), and a movable plate (11) is rotatably connected to one end, far away from the knob (10), of the lead screw (9) through a bearing, one side fixedly connected with guide bar (12) that movable plate (11) is close to lead screw (9), the first spacing piece of one end fixedly connected with (13) of movable plate (11) is kept away from in guide bar (12), one side that guide bar (12) were kept away from in movable plate (11) is rotated through the bearing and is connected with turning block (14), one side fixedly connected with montant (15) of turning block (14), one side fixedly connected with cylinder (16) of turning block (14) are kept away from in montant (15), the spacing piece of one end fixedly connected with second (17) of montant (15) are kept away from in cylinder (16), spring (18) have been cup jointed to the surface of cylinder (16), the surface sliding connection of montant (15) has splint (19).

2. The stretching apparatus for polyethylene film according to claim 1, wherein: the shape of the clamping block (4) is matched with the shape of a clamping groove in the first connecting block (5), and the clamping plate (19) is connected with the fixing column (8) in a sliding mode.

3. The stretching apparatus for polyethylene film according to claim 1, wherein: the shape of support frame (1) is the U-shaped, guide bar (12) and support frame (1) sliding connection, guide bar (12) run through support frame (1).

4. The stretching apparatus for polyethylene film according to claim 1, wherein: the first limiting sheet (13) is circular, and the diameter of the first limiting sheet (13) is larger than that of the guide rod (12).

5. The stretching apparatus for polyethylene film according to claim 1, wherein: the shape of the second limiting sheet (17) is circular, and the diameter of the second limiting sheet (17) is larger than that of the cylinder (16).

6. The stretching apparatus for polyethylene film according to claim 1, wherein: the spring (18) is positioned between the clamping plate (19) and the second limiting sheet (17).

7. The stretching apparatus for polyethylene film according to claim 1, wherein: one side fixedly connected with mounting panel (20) of support frame (1), mounting hole (21) have been seted up to the one corner of mounting panel (20), the quantity of mounting hole (21) is four, four mounting hole (21) are located the four corners of mounting panel (20).