CN210558235U

CN210558235U - Quick rolling thermal contraction membrane rolling machine

Info

Publication number: CN210558235U
Application number: CN201920580621.XU
Authority: CN
Inventors: 张振东
Original assignee: Donghui Heat Shrinkable Film Co Ltd
Current assignee: Donghui Heat Shrinkable Film Co Ltd
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2020-05-19
Anticipated expiration: 2029-04-26

Abstract

The utility model discloses a quick rolling thermal contraction film rolling machine, which belongs to the packaging material manufacturing technical field, and comprises a frame, a first auxiliary roller, a second auxiliary roller and a rolling roller, wherein the outer surface of the rolling roller is provided with a groove, a fastening strip matched with the groove is arranged in the groove, the fastening strip can move along the diameter direction of the rolling roller in the groove, the bottom of the fastening strip and the groove is provided with a spring, the end part of the fastening strip is provided with a driving rod, the fastening strip can move towards the axial direction of the rolling roller by pulling the driving rod, the convenience of combining or separating the thermal contraction film roll core and the rolling roller is increased, the production speed is improved, the outer surface of the fastening strip is provided with anti-skid grains, the combination stability between the rolling roller and the thermal contraction film roll core is enhanced, a plurality of groups of grooves and fastening strips are arranged, the combination stability between the rolling roller and the thermal contraction film roll core is increased to the, the size of the heat shrinkable film is convenient to control.

Description

Quick rolling thermal contraction membrane rolling machine

Technical Field

The utility model belongs to the technical field of packaging material makes, especially, relate to a thermal contraction membrane rolling machine of quick rolling.

Background

The heat shrinkable film is a common packaging film, in the packaging application, the idea of heat shrinkage is often utilized to realize the skin effect or bundling wrapping, and simultaneously, the contents are protected from pollution or damage by utilizing the heat shrinkable film, the principle of the heat shrinkage is that when the film is produced, a molecular chain segment with mobility is oriented at the accessory of a melting point or a glass transition temperature, then the film is cooled to a crystallization point or a glass transition temperature, the molecular orientation is rapidly solidified, when the film is reheated to the melting point or the glass transition temperature, the high molecular chain segment can have mobility again, the originally oriented molecular chain segment begins to curl and reconnect for orientation, macroscopically the film is represented as film shrinkage, the heat shrinkable film is widely applied in the packaging industry by virtue of good material strength, excellent transparency, excellent flexibility and easy degradation, the toughness of the heat shrinkable film is good, Strong impact resistance and tearing resistance, moisture resistance and large shrinkage, can meet the functions of transparent display of commodities and the like, saves cost, becomes a development trend of replacing paper box packaging, and is widely applied to the outer packaging of various products such as food, medicine, sterilized tableware, cultural and sports goods, craft gifts, printed matters, hardware plastic products, telephones, electronic and electric appliances and the like

Wherein one of the biggest characteristics of the shrink film package is unitization, the products are compactly and fixedly bundled into a unit by virtue of the super-strong winding force and retractility of the film, so that scattered small parts are integrated into a whole, the product has no looseness and separation even under adverse environment, and has no sharp edge and stickiness, so as not to cause damage, therefore, the heat shrinkable film is widely applied to the packaging of beer, realizes the unitized packaging of beer, is extremely convenient to carry in the transportation process, in the production process of the heat shrinkable film, because the production speed of the heat shrinkable film is high, the heat shrinkable film needs to be rolled and rolled, after the production of a roll of the heat shrinkable film is completed, the whole roll of the heat shrinkable film needs to be dismounted, and then a new roll core is replaced to roll the heat shrinkable film, most of the existing rolling machines have complex structures, the step of replacing the roll core is complex, and the production efficiency is seriously influenced.

SUMMERY OF THE UTILITY MODEL

To the problem in the background, the utility model aims to provide a thermal contraction membrane rolling machine of quick rolling.

In order to achieve the purpose, the utility model provides a quick rolling thermal contraction film rolling machine, which comprises a frame, a first guide roller, a second guide roller and a rolling roller, wherein the first guide roller, the second guide roller and the rolling roller are sequentially arranged along the advancing direction of the thermal contraction film, the two ends of the first guide roller, the second guide roller and the rolling roller are all arranged on the frame through rotating shafts, the outer surface of the rolling roller is provided with a groove, the groove is parallel to the axial direction of the rolling roller, the top of the groove is flush with the outer surface of the rolling roller, the groove gradually shrinks along the direction of the top of the groove pointing to the bottom of the groove, a fastening strip matched with the groove is arranged in the groove, the outer side of the fastening strip protrudes out of the outer surface of the rolling roller, the two ends of the fastening strip are respectively flush with the two ends of the rolling roller, the inner side of the fastening strip, be provided with the clearance between fastening strip side and the recess lateral wall, recess bottom is greater than the distance of recess top to the fastening strip outside to the distance of fastening strip inboard, the fastening strip both ends all are provided with the actuating lever, actuating lever axis direction and wind-up roll axis direction are parallel, the distance that the actuating lever tip received the wind-up roll tip is less than the distance that the pivot tip received the wind-up roll tip.

In order to effectively prevent the relative sliding between the winding roller and the thermal contraction film roll, the outer surface of the fastening strip is provided with anti-skid grains, and two ends of each anti-skid grain are respectively flush with two ends of the fastening strip.

In order to facilitate the disassembly of the winding roller, mounting holes are formed in two ends of the rotating shaft, a through hole matched with the mounting holes is formed in the rack, internal threads are formed in the through hole and the mounting holes, a fastening bolt is arranged in the through hole and provided with external threads matched with the internal threads of the through hole, and the fastening bolt penetrates through the through hole and abuts against the inside of the mounting hole through the matching of the external threads, the through hole and the internal threads of the mounting holes.

In order to control the size of the heat shrinkable film roll conveniently, the outer surface of the winding roller is provided with a graduated scale, two ends of the graduated scale are flush with two ends of the winding roller, and two sides of the graduated scale are flush with the edge of the top of the groove respectively.

In order to increase the stability of combination between wind-up roll and thermal contraction membrane book to the at utmost, two sets are no less than to recess setting quantity, recess relative wind-up roll axis central symmetry sets up.

The beneficial effects of the utility model are that: the utility model discloses a quick rolling thermal contraction membrane rolling machine, through set up the recess at the wind-up roll surface, the recess is parallel with the wind-up roll axis, set up the fastening strip in the recess, fastening strip and recess match each other, and fastening strip can be in the recess along the motion of wind-up roll diameter direction, fastening strip and recess bottom are provided with the spring, and set up the actuating lever at fastening strip tip, pull the actuating lever and can make the fastening strip move to the wind-up roll axis direction, increased the convenience that thermal contraction membrane book core and wind-up roll combine or break away from, improve production rate, set up anti-skidding line on the fastening strip outside surface, strengthened the combination stability between wind-up roll and thermal contraction membrane book core, set up multiunit recess and fastening strip, increase the combination stability between wind-up roll and thermal contraction membrane book core to the utmost, set up the scale on the wind-up roll surface, be convenient for control the size of, the two ends of the winding roller are connected with the rack through the fastening bolts, so that the convenience of mounting and dismounting the winding roller is improved, and the thermal shrinkage film winding core can be mounted and dismounted conveniently.

Drawings

Fig. 1 is the utility model discloses a quick rolling's thermal contraction membrane rolling machine wind-up roll's schematic structure view.

Fig. 2 is a schematic structural view of a heat shrinkable film winder for fast winding.

Fig. 3 is a schematic structural view of the utility model of a quick rolling driving rod and a rolling roller of a thermal contraction film rolling machine.

Description of the drawings: 1-a frame; 2-a first guide roller; 3-a second guide roller; 4-a wind-up roll; 5-a rotating shaft; 6-groove; 7-fastening strips; 8-a spring; 9-a drive rod; 10-anti-skid lines; 11-mounting holes; 12-a through hole; 13-fastening bolts; 14-graduated scale.

Detailed Description

In order to make the technical solution of the present invention more apparent, the present invention will be further described in detail with reference to the following examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to the attached drawings, the utility model discloses a quick rolling thermal contraction film rolling machine, including frame 1, first deflector roll 2, second deflector roll 3 and wind-up roll 4 set gradually along the direction of advance of thermal contraction film, first deflector roll 2, second deflector roll 3 and wind-up roll 4 both ends all set up on frame 1 through pivot 5, wind-up roll 4 surface is provided with recess 6, recess 6 and wind-up roll 4 axis direction are parallel, recess 6 top and wind-up roll 4 surface flush, recess 6 along the recess 6 top point to the direction of recess 6 bottom shrink gradually, be provided with in the recess 6 with the mutual assorted fastening strip 7 of recess 6, the fastening strip 7 outside is protruding in the wind-up roll 4 surface, fastening strip 7 both ends flush with wind-up roll 4 both ends respectively, fastening strip 7 inboard is connected through spring 8 and recess 6 bottom, spring 8 is parallel with 4 diameter direction of wind-up roll, be provided with the clearance between 7 sides of fastening strip and the 6 lateral walls of recess, the distance of recess 6 bottom to 7 inboards of fastening strip is greater than the distance of recess 6 top to 7 outsides of fastening strip, 7 both ends of fastening strip all are provided with actuating lever 9, 9 axis directions of actuating lever and wind-up roll 4 axis directions are parallel, the distance that the 9 tip of actuating lever received 4 tip of wind-up roll is less than the distance that 5 tip of pivot received 4 tip.

Preferably, in order to effectively prevent the relative sliding between the wind-up roll 4 and the heat shrinkable film roll, the outer surface of the fastening strip 7 is provided with anti-slip threads 10, and two ends of the anti-slip threads 10 are respectively flush with two ends of the fastening strip 7.

Preferably, in order to facilitate the detachment of the winding roller 4, mounting holes 11 are formed in two ends of the rotating shaft 5, a through hole 12 matched with the mounting hole 11 is formed in the frame 1, internal threads are formed in the through hole 12 and the mounting hole 11, a fastening bolt 13 is arranged in the through hole 12, an external thread matched with the internal thread of the through hole 12 is arranged on the fastening bolt 13, and the fastening bolt 13 penetrates through the through hole 12 and abuts against the inside of the mounting hole 11 through the matching of the external thread, the through hole 12 and the internal thread of the mounting hole 11.

Preferably, in order to conveniently control the size of the heat shrinkable film roll, the outer surface of the winding roller 4 is provided with a graduated scale 14, two ends of the graduated scale 14 are flush with two ends of the winding roller 4, and two sides of the graduated scale 14 are respectively flush with the top edge of the groove 6.

Preferably, in order to increase the bonding stability between the winding roller 4 and the heat shrinkable film roll to the maximum extent, the number of the grooves 6 is not less than two, and the grooves 6 are arranged in central symmetry relative to the axis of the winding roller 4.

The working process is as follows: when the quick-rolling heat shrinkable film rolling machine of the utility model operates, firstly, the fastening bolt 13 is unscrewed, then the rolling roller 4 is dismounted, the driving rod 9 is pulled to enable the fastening strip 7 to move towards the axial direction of the rolling roller 4, the heat shrinkable film roll core is sleeved into the rolling roller 4, the driving rod 9 is released, the fastening strip 7 is tightly combined with the heat shrinkable film roll core under the action of the spring 8, then the rolling roller 4 is installed in the installation hole 11 of the frame 1 through the fastening bolt 13, the processed heat shrinkable film is rolled at the rolling roller 4 after passing through the first auxiliary roller and the second auxiliary roller respectively, the tension of the heat shrinkable film is increased by the first auxiliary roller and the second auxiliary roller, the tightness of the heat shrinkable film at the rolling roller 4 is increased, the equipment stops operating after the rolling of a roll of the heat shrinkable film is finished, then the fastening bolt 13 is unscrewed, the rolling roller 4 is dismounted, the rolled film roll is separated from the rolling roller 4 after the driving rod 9 is pulled, then, a new heat shrinkable film core is replaced, and the wind-up roll 4 is mounted on the frame 1.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a quick thermal contraction membrane rolling machine of rolling, includes frame (1), first deflector roll (2), second deflector roll (3) and wind-up roll (4) set gradually along the advancing direction of thermal contraction membrane, first deflector roll (2), second deflector roll (3) and wind-up roll (4) both ends all set up on frame (1) through pivot (5), its characterized in that, wind-up roll (4) surface is provided with recess (6), recess (6) and wind-up roll (4) axis direction are parallel, recess (6) top and wind-up roll (4) surface, recess (6) along the directional recess (6) bottom direction in recess (6) top shrink gradually, be provided with in recess (6) with recess (6) mutual assorted fastening strip (7), fastening strip (7) outside protrusion is in wind-up roll (4) surface, and fastening strip (7) both ends flush with wind-up roll (4) both ends respectively, fastening strip (7) inboard is passed through spring (8) and recess (6) bottom and is connected, spring (8) and wind-up roll (4) diameter direction are parallel, be provided with the clearance between fastening strip (7) side and recess (6) lateral wall, recess (6) bottom is greater than the distance in recess (6) top to the fastening strip (7) outside to the distance of fastening strip (7) inboard, fastening strip (7) both ends all are provided with actuating lever (9), actuating lever (9) axis direction and wind-up roll (4) axis direction are parallel, the distance that actuating lever (9) tip was to wind-up roll (4) tip is less than pivot (5) tip to the distance of wind-up roll (4) tip.

2. The quick rolling thermal contraction film rolling machine according to claim 1, characterized in that the outer surface of the fastening strip (7) is provided with anti-slip threads (10), and two ends of the anti-slip threads (10) are respectively flush with two ends of the fastening strip (7).

3. The quick-winding heat shrinkable film winder as claimed in claim 1, wherein mounting holes (11) are formed in two ends of the rotating shaft (5), the frame (1) is provided with a through hole (12) matched with the mounting holes (11), internal threads are formed in the through hole (12) and the mounting hole (11), a fastening bolt (13) is arranged in the through hole (12), an external thread matched with the internal thread of the through hole (12) is formed in the fastening bolt (13), and the fastening bolt (13) penetrates through the through hole (12) and abuts against the inside of the mounting hole (11) through the matching of the external thread, the internal thread of the through hole (12) and the internal thread of the mounting hole (11).

4. A quick-winding thermal contraction film winder according to claim 1, characterized in that a graduated scale (14) is arranged on the outer surface of the winding roller (4), two ends of the graduated scale (14) are flush with two ends of the winding roller (4), and two sides of the graduated scale (14) are flush with the top edge of the groove (6) respectively.

5. A fast-rolling thermal contraction film rolling machine according to any one of claims 1 to 4, characterized in that the number of the grooves (6) is not less than two, and the grooves (6) are arranged in a central symmetry way relative to the axial line of the rolling roller (4).