CN212197713U

CN212197713U - Pressurization film guide device before rolling of polyolefin heat-shrinkable film folding machine

Info

Publication number: CN212197713U
Application number: CN202020431232.3U
Authority: CN
Inventors: 丁正强; 桂俊奎
Original assignee: Yiwu Xiangfeng Plastic Co ltd
Current assignee: Yiwu Xiangfeng Plastic Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-12-22
Anticipated expiration: 2030-03-30

Abstract

The utility model discloses a membrane device is led in pressurization before polyolefin heat shrink film rigging machine rolling aims at solving plastic film and can produce the skew and the situation of skidding at the in-process of rolling to can influence the quality when the rolling and the problem of the effect of rolling. The key points of the technical scheme are as follows: the utility model provides a membrane device is led in pressurization before polyolefin heat shrinkable film rigging machine rolling, includes the rolling machine body, is equipped with compression roller device, transmission and drive arrangement on the rolling machine body, and the compression roller device includes first compression roller and second compression roller, and transmission includes a plurality of driving rollers, is equipped with the winding drum on the rolling machine body, and the both ends of winding drum are equipped with the axis of rotation of being connected with the rotation of rolling machine body, and the second compression roller sets up directly over the winding drum. The utility model discloses a pressurization membrane device of leading before polyolefin thermal contraction film rigging machine rolling flattens to the thermal contraction membrane and carries out the rolling again after fixed, improves the planarization of rolling.

Description

Pressurization film guide device before rolling of polyolefin heat-shrinkable film folding machine

Technical Field

The utility model relates to a winding mechanism, more specifically say that it relates to a pressurization membrane device of leading before rolling of polyolefin heat shrinkable film rigging.

Background

The environment-friendly POF shrink film is a biaxially oriented polyolefin shrink film for short, and is a novel environment-friendly shrink film which is widely used and rapidly developed in the real world. The product adopts an advanced special process of three-layer or five-layer melt coextrusion of biaxial stretching. The produced flexible shrink film has high transparency, high shrinkage, high toughness, high heat sealing performance, excellent antistatic performance, excellent cold resistance, high safety and high reliability. The formed heat shrinkable film needs to be rolled by a rolling machine, the existing plastic film rolling device structure generally comprises a rack and a rolling roller, two ends of the rolling roller are fixedly mounted on the rack through mounting discs respectively, two ends of the rolling roller are sleeved at one ends of the two mounting discs respectively and drive the rolling roller to roll the plastic film by motor driving, two ends of the rolling roller and the mounting discs are connected in a tight fit mode, once the plastic film is rolled greatly, slip phenomena are often generated between the rolling roller and the mounting discs easily, and therefore production is unstable and production efficiency is reduced.

In order to solve the above problems, the plastic film winding device disclosed in chinese patent publication No. CN205099038U includes a frame, a winding roller and two mounting plates for fixing the winding roller are disposed on the frame, two ends of the winding roller are respectively sleeved on one end of the two mounting plates, one end of the first mounting plate is provided with a first positioning protrusion, one end of the wind-up roll corresponding to the first mounting plate is provided with a first positioning clamping groove, when one end of the wind-up roll is sleeved at one end of the first mounting plate, the first positioning bulge is clamped in the first positioning clamping groove, the other end of the first mounting disc is driven by a first motor and drives the winding roll to wind the plastic film, one end of the second mounting disc is provided with a second positioning bulge, the other end of the wind-up roll corresponding to the second mounting disc is provided with a second positioning clamping groove, and when the other end of the wind-up roll is sleeved at one end of the second mounting disc, the second positioning bulge is clamped in the second positioning clamping groove.

Above-mentioned scheme when the installation, utilizes location arch and positioning groove on mounting disc one end and the wind-up roll to carry out the guiding orientation, can establish the wind-up roll cover at mounting disc one end more fast, and simultaneously, the spacing retaining ring that utilizes mounting disc one end establishes the degree of depth to the cover of wind-up roll and carries on spacingly, in addition, will fix a position protruding joint in rather than the positioning groove who corresponds, when can making motor drive mounting disc rotate, can drive the wind-up roll coiling plastic film better, prevent that wind-up roll and mounting disc from taking place to skid. However, when the plastic film is wound on the winding roller, the plastic film is not fixed, and the plastic film can generate the conditions of deviation and slippage in the winding process, so that the flatness of the plastic film in the winding process can be influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a membrane device is led in pressurization before polyolefin heat shrinkable film rigging machine rolling when the heat shrinkable film carries out the rolling, adds in the top of receipts reel and establishes the second compression roller, and increase heat shrinkable film makes things convenient for the rolling of heat shrinkable film with the contact surface of receipts reel to roughness when can improving the rolling of a rolling section of thick bamboo.

The above technical purpose of the present invention can be achieved by the following technical solutions: a film guide device for pressurization before rolling of a polyolefin heat-shrinkable film folding machine comprises a rolling machine body, wherein a compression roller device, a transmission device and a driving device are arranged on the rolling machine body, the compression roller device comprises a first compression roller and a second compression roller, the transmission device comprises a plurality of transmission rollers, a winding drum is arranged on the rolling machine body, two ends of the winding drum are provided with rotating shafts rotatably connected with the rolling machine body, the second compression roller is arranged right above the winding drum, the second compression roller is in close contact with the winding drum, two ends of the second compression roller are provided with driving shafts, the second compression roller is rotatably connected with the driving shafts, one end of each driving shaft, far away from the second compression roller, is provided with a connecting shaft, a fixed shaft fixedly connected with the driving shafts is arranged above the connecting shafts, and a cylinder is fixedly connected onto the connecting shafts, the cylinder with the drive shaft rotates and is connected, drive arrangement includes motor and PLC control system, the cylinder with the output shaft of motor, PLC control system with the input shaft of motor.

By adopting the technical scheme, when the heat shrinkable film needs to be wound, the heat shrinkable film firstly passes through the two first compression rollers, the first compression rollers can primarily roll the heat shrinkable film to enable the heat shrinkable film to be flat, then the heat shrinkable film passes through the plurality of transmission rollers to enable the transmission rollers to transmit the heat shrinkable film, the transmission rollers can transmit the heat shrinkable film to the placement area of the winding drum, the heat shrinkable film can pass through the second compression rollers and then is wound by the winding drum rotating through the rotating shaft through the second compression rollers, the winding drum can be gradually increased in the winding process, the second compression rollers are in close contact with the winding drum, when the winding drum is input into a PLC control system to extrude the second compression rollers, the air cylinder lifts the second compression rollers, the situation that the second compression rollers are too close in contact with the winding drum to influence the winding effect of the winding drum is prevented, the motor is driven, and the air cylinder connected with the output shaft of the motor lifts the driving shaft connected with the second compression rollers, therefore, the distance between the second compression roller and the winding drum is adjusted, the winding drum and the second compression roller are always kept in close contact and cannot be separated in the adjusting process, the fixed shaft connected with the driving shaft above the connecting shaft plays a role in supporting the second compression roller, the second compression roller is prevented from falling off from the driving shaft, the flattened heat shrinkable film is better in winding effect, the winding quality can be prevented from being influenced due to the fact that the driving roller slips and is blocked when the heat shrinkable film is wound, the drum-type winding drum cannot scratch the surface of the heat shrinkable film, and the smoothness of the winding drum is improved.

The utility model discloses further set up to: the first compression roller is provided with two, two the first compression roller with the rolling machine body rotates to be connected, two first compression roller in close contact with, two first compression roller rotates in opposite directions.

By adopting the technical scheme, when the heat shrinkable film passes between the two first compression rollers, the two first compression rollers in close contact can flatten the heat shrinkable film, and the two first compression rollers rotate in opposite directions, so that the heat shrinkable film can stably pass through the two first compression rollers, and the phenomena of slipping and blocking cannot be generated during flattening, thereby improving the winding efficiency of the winding machine body.

The utility model discloses further set up to: and the surfaces of the two first press rollers are coated with wear-resistant coatings.

Through adopting above-mentioned technical scheme, the surface coating at two first compression rollers has the wear-resisting coating that adopts JP8000 tungsten carbide coating, makes first compression roller have fabulous wear-resisting heat resistance, increases the life of first compression roller, improves the thermal contraction membrane and can not skid for smooth and easy when passing first compression roller to improve the rolling effect of rolling machine body.

The utility model discloses further set up to: and a rubber sleeve is sleeved on the outer side of the second pressing roller.

By adopting the technical scheme, the rubber sleeve is sleeved on the outer side of the second compression roller and has better abrasion resistance and excellent characteristics of corrosion resistance, tensile resistance, tearing resistance and compressibility, so that the friction force is increased when the rubber sleeve is in contact with the heat shrinkable film, the heat shrinkable film is prevented from slipping during winding, and the winding smoothness of the winding drum is improved.

The utility model discloses further set up to: the second press roll is an air expansion shaft.

By adopting the technical scheme, the thermal shrinkage film can be enlarged after being wound by the winding drum, the second compression roller is the inflatable shaft, the second compression roller is expanded only by inflating in the second compression roller and can be in close contact with the winding drum, so that when the winding drum is wound, the contact area of the thermal shrinkage film with the winding drum is increased by the aid of the second compression roller, the thermal shrinkage film is attached more tightly, wrinkles on the winding drum are reduced, and winding smoothness of the winding drum is improved.

The utility model discloses further set up to: the motor is a servo motor.

Through adopting above-mentioned technical scheme, servo motor can control the lifting speed to the cylinder, prevents that the cylinder lifting from making the cylinder break off too fast, increases the life of cylinder.

The utility model discloses further set up to: a plurality of support columns are arranged on the winding machine body, and the transmission rollers are connected with the support columns in a rotating mode through rotating shafts.

By adopting the technical scheme, the contact between the driving roller and the supporting column is reduced due to the increase of the rotating shaft, so that the rolling speed of the driving roller is increased, and the transmission efficiency of the driving roller to the heat shrinkable film is improved.

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

firstly, when a heat shrinkable film needs to be rolled, two first compression rollers can roll the heat shrinkable film for the first time to enable the heat shrinkable film to be flat and then pass through a plurality of transmission rollers, the transmission rollers can transmit the heat shrinkable film to a placing area of a winding drum, the heat shrinkable film can pass through a second compression roller and then is wound by the winding drum rotating through a rotating shaft through the second compression roller, the winding drum can be gradually increased in the winding process, the second compression roller is in close contact with the winding drum, when the winding drum is input into a PLC control system to extrude the second compression roller, the cylinder lifts the second compression roller, a motor is driven, the cylinder connected with an output shaft of the motor lifts a driving shaft connected with the second compression roller, the distance between the second compression roller and the winding drum is adjusted, and the heat shrinkable film after being rolled is better in effect, the rolling device can prevent the rolling quality from being influenced by the condition that the driving roller slips and is blocked due to the bending state of the thermal shrinkage film during rolling, and the roller type rolling drum can not scratch the surface of the thermal shrinkage film, so that the smoothness of the rolling drum is improved.

Drawings

FIG. 1 is a perspective view of a pressurized film guiding device before winding of a polyolefin heat-shrinkable film folding machine of the present invention, which is mainly used for showing the structure of a winding machine body;

fig. 2 is an enlarged schematic view of a portion a of fig. 1, and is mainly used for showing the structure of the rotating shaft and the driving roller.

In the figure: 1. a winder body; 2. a first press roll; 3. a second press roll; 4. a driving roller; 5. winding the roll; 6. a rotating shaft; 7. a rotating shaft; 8. a cylinder; 9. a connecting shaft; 10. a drive shaft; 11. a fixed shaft; 12. a rubber sleeve; 13. and (4) a support column.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "set/connected", "connected", and the like are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in detail with reference to the accompanying drawings and examples.

A film guide device for pressurization before rolling of a polyolefin heat-shrinkable film folding machine is disclosed, as shown in figures 1-2, and comprises a rolling machine body 1, wherein a compression roller device, a transmission device and a driving device are arranged on the rolling machine body 1, the compression roller device comprises a first compression roller 2 and a second compression roller 3, the second compression roller 3 is an air expansion shaft, the first compression roller 2 is provided with two compression rollers, the two compression rollers 2 are rotatably connected with the rolling machine body 1, the two compression rollers 2 are in close contact, the two compression rollers 2 rotate oppositely, the surfaces of the two compression rollers 2 are coated with wear-resistant coatings, a plurality of support columns 13 are vertically welded on the rolling machine body 1, the transmission device comprises a plurality of transmission rollers 4, the transmission rollers 4 are rotatably connected with the support columns 13 through rotating shafts 6, a winding drum 5 is rotatably connected on the rolling machine body 1, and rotating shafts 7 rotatably connected with the rolling machine body 1 are welded at two ends of the winding drum 5, second compression roller 3 is located directly over the winding drum 5 and with winding drum 5 in close contact with, the both ends of second compression roller 3 are rotated and are connected with drive shaft 10, the one end that second compression roller 3 was kept away from to drive shaft 10 is equipped with connecting axle 9, the top of connecting axle 9 is equipped with the fixed axle 11 with the welding of drive shaft 10 together, and the welding has cylinder 8 on the connecting axle 9, cylinder 8 rotates with drive shaft 10 to be connected, and drive arrangement includes motor and PLC control system, cylinder 8 and the output shaft of motor, PLC control system is connected with the input shaft of motor, and this motor is servo motor.

The working principle is as follows: when the heat shrinkable film is rolled, the heat shrinkable film firstly passes through two first compression rollers 2 which are in close contact and rotate oppositely, so that the first compression rollers 2 can flatten the heat shrinkable film, and the phenomena of slipping and blocking are not generated during flattening, so that the rolling efficiency of the rolling machine body 1 is improved, the heat shrinkable film becomes flat after the first compression rollers 2 roll the heat shrinkable film for the first time, then the heat shrinkable film passes through a transmission roller 4 which is connected with a plurality of support columns 13 through a rotating shaft 6, the transmission roller 4 transmits the heat shrinkable film to a placing area of a winding drum 5, the heat shrinkable film can pass through a second compression roller 3 and then is wound by the winding drum 5 rotating through a rotating shaft 7, the winding drum 5 can be gradually increased during rolling, and a motor is started when the winding drum 5 is input into a PLC control system to press the second compression roller 3, so that a cylinder 8 can lift the second compression roller 3, the winding effect of the winding drum 5 is prevented from being influenced by the contact between the second compression roller 3 and the winding drum 5, the motor is a servo motor, the lifting speed of the cylinder 8 can be controlled, the cylinder 8 is prevented from being broken due to too fast lifting, meanwhile, the service life of the cylinder 8 is prolonged, so that the distance between the second compression roller 3 and the winding drum 5 is adjusted, the winding drum 5 and the second compression roller 3 are always kept in close contact and cannot be separated in the adjusting process, the fixed shaft 11 above the connecting shaft 9 plays a role of supporting the second compression roller 3, the second compression roller 3 is prevented from falling off from the driving shaft 10, the flattened heat shrinkable film is better in winding effect, the heat shrinkable film can be prevented from being bent during winding to cause the slipping and blocking of the driving roller 4 to influence the winding quality, and the drum-type winding drum 5 cannot scratch the surface of the heat shrinkable film, the smoothness of the heat shrinkable film rolled by the rolling drum 5 is improved.

The surfaces of the two first compression rollers 2 are coated with the wear-resistant coating adopting the JP8000 tungsten carbide coating, so that the first compression rollers 2 have excellent wear resistance and heat resistance, the service life of the first compression rollers 2 is prolonged, the condition that a heat shrinkage film slips when passing through the first compression rollers 2 can be reduced more smoothly, the winding effect of the winding machine body 1 is improved, the rubber sleeve 12 is sleeved on the outer side of the second compression roller 3, the rubber sleeve 12 has better wear resistance and excellent corrosion resistance, tensile resistance and tearing resistance, the friction force is increased when the rubber sleeve 12 is in contact with the heat shrinkage film, the heat shrinkage film is prevented from slipping when being wound, and the winding smoothness of the winding drum 5 is improved; and the second compression roller 3 is an inflatable shaft, the thermal shrinkage film can be enlarged after being wound by the winding drum 5, the second compression roller 3 can be expanded only by inflating the second compression roller 3, and the second compression roller 3 can be always in close contact with the winding drum 5, so that when the winding drum 5 is wound, the thermal shrinkage film firstly passes through the second compression roller 3 to increase the contact area with the winding drum 5 and be attached more tightly, the wrinkles on the winding drum 5 are reduced, and the winding smoothness of the winding drum 5 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 a membrane device is led in pressurization before polyolefin heat shrinkable film rigging machine rolling, includes rolling machine body (1), be provided with compression roller device, transmission and drive arrangement on rolling machine body (1), its characterized in that: the compression roller device comprises a first compression roller (2) and a second compression roller (3), the transmission device comprises a plurality of transmission rollers (4), a winding drum (5) is arranged on the winding drum body (1), rotating shafts (7) rotatably connected with the winding drum body (1) are arranged at two ends of the winding drum (5), the second compression roller (3) is arranged right above the winding drum (5), the second compression roller (3) is in close contact with the winding drum (5), driving shafts (10) are arranged at two ends of the second compression roller (3), the second compression roller (3) is rotatably connected with the driving shafts (10), a connecting shaft (9) is arranged at one end, far away from the second compression roller (3), of the driving shaft (10), a fixing shaft (11) fixedly connected with the driving shafts (10) is arranged above the connecting shaft (9), fixedly connected with cylinder (8) on connecting axle (9), cylinder (8) with drive shaft (10) rotate to be connected, drive arrangement includes motor and PLC control system, cylinder (8) with the output shaft of motor, PLC control system with the input shaft of motor.

2. The pressure film guiding device before the rolling of the polyolefin heat-shrinkable film folding machine as claimed in claim 1, wherein: first compression roller (2) are provided with two, two first compression roller (2) with rolling machine body (1) rotates to be connected, two first compression roller (2) in close contact with, two first compression roller (2) rotate in opposite directions.

3. The pre-rolling pressurizing film guiding device of the polyolefin heat-shrinkable film folding machine as claimed in claim 2, characterized in that: the surfaces of the two first press rolls (2) are coated with wear-resistant coatings.

4. The pressure film guiding device before the rolling of the polyolefin heat-shrinkable film folding machine as claimed in claim 1, wherein: and a rubber sleeve (12) is sleeved on the outer side of the second pressing roller (3).

5. The pressure film guiding device before the rolling of the polyolefin heat-shrinkable film folding machine as claimed in claim 1, wherein: the second press roll (3) is an air expansion shaft.

6. The pressure film guiding device before the rolling of the polyolefin heat-shrinkable film folding machine as claimed in claim 1, wherein: the motor is a servo motor.

7. The pressure film guiding device before the rolling of the polyolefin heat-shrinkable film folding machine as claimed in claim 1, wherein: a plurality of supporting columns (13) are arranged on the winding machine body (1) and are connected with the driving rollers (4) in a rotating mode through rotating shafts (6) and the supporting columns (13).