CN220975945U - Thermal shrinkage film unreeling mechanism - Google Patents
Thermal shrinkage film unreeling mechanism Download PDFInfo
- Publication number
- CN220975945U CN220975945U CN202322655443.1U CN202322655443U CN220975945U CN 220975945 U CN220975945 U CN 220975945U CN 202322655443 U CN202322655443 U CN 202322655443U CN 220975945 U CN220975945 U CN 220975945U
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- Prior art keywords
- strip
- movable rod
- roller
- shaped hole
- driving roller
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- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 229920006257 Heat-shrinkable film Polymers 0.000 claims description 27
- 229920006300 shrink film Polymers 0.000 claims 7
- 239000000463 material Substances 0.000 abstract description 19
- 239000012528 membrane Substances 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Abstract
The utility model discloses a thermal shrinkage film unreeling mechanism, which relates to the technical field of material unreeling and comprises a supporting plate, wherein a strip-shaped hole is vertically formed in the middle of the supporting plate, a driven roller and a driving roller are arranged on one side of the top end of the strip-shaped hole, a first guide roller is arranged on the other side of the top end of the strip-shaped hole, two ends of the first guide roller, the driven roller and the driving roller are rotationally connected with the supporting plate, and the driving roller is driven to rotate by a servo motor; a movable rod is arranged between the two support plates, two ends of the movable rod are respectively connected with the two support plates in a sliding mode through strip-shaped holes, and a distance sensor for measuring the height of the movable rod is arranged at the bottom end of each strip-shaped hole. This mechanism is unreeled to pyrocondensation membrane, the pyrocondensation membrane tube material is changed conveniently, can cushion the pyrocondensation membrane, is convenient for simultaneously control unreel speed according to the demand.
Description
Technical Field
The utility model relates to the technical field of material unreeling, in particular to a thermal shrinkage film unreeling mechanism.
Background
The heat shrinkage film is heated to shrink and wrap the product or the package, so that the appearance of the product is fully displayed, and the sales exhibition of the product is improved. The articles packaged by the heat shrinking machine can be sealed, dampproof and pollution-proof. In addition, the possibility of the product being disassembled and stolen can be reduced. Is suitable for tightly packing a plurality of articles and packing a tray.
The thermal shrinkage film is thinner and has elasticity, because the thermal shrinkage film tube material is heavier, in order to avoid the thermal shrinkage film stretching deformation caused by the traction of the film mechanism, the thermal shrinkage film tube material is usually required to be unwound by driving the servo motor, but the unwinding speed of the servo motor is inconsistent with the traction of the film mechanism, the situation of excessive unwinding or insufficient unwinding is easy to occur, for example, in the moxa cone packaging process, the speed of unwinding by driving the thermal shrinkage film tube material by driving the servo motor is not easy to control because the thermal shrinkage film with the film mechanism is separated.
Therefore, it is necessary to provide a thermal shrinkage film unreeling mechanism to solve the above problems.
Disclosure of utility model
(One) solving the technical problems
The utility model aims to provide a heat-shrinkable film unreeling mechanism which can buffer a heat-shrinkable film, is convenient to replace a heat-shrinkable film cylinder material and is convenient to control the unreeling speed according to requirements, so as to solve the problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the heat shrinkage film unreeling mechanism comprises a supporting plate, wherein a strip-shaped hole is vertically formed in the middle of the supporting plate, a driven roller and a driving roller are arranged on one side of the top end of the strip-shaped hole, a first guide roller is arranged on the other side of the top end of the strip-shaped hole, two ends of the first guide roller, the driven roller and the driving roller are rotatably connected with the supporting plate, and the driving roller is driven to rotate by a servo motor;
A movable rod is arranged between the two support plates, two ends of the movable rod are respectively connected with the two support plates in a sliding mode through strip-shaped holes, and a distance sensor for measuring the height of the movable rod is arranged at the bottom end of each strip-shaped hole.
Preferably, a second guide roller is arranged at one side of the bottom end of the strip-shaped hole, which is close to the first guide roller.
Preferably, both ends of the movable rod are rotationally connected with limiting wheels, and wheel grooves matched with the thickness of the support plate are formed in the outer sides of the limiting wheels.
Preferably, a circular through hole is formed in the top end of the strip-shaped hole, and the diameter of the circular through hole is larger than that of the limiting wheel.
Preferably, the distance between the driven roller and the driving roller is smaller than the diameter of the heat-shrinkable film cylinder core.
Preferably, the weight of the movable rod is smaller than that of the heat-shrinkable film cylinder core.
Preferably, the distance between the first guide roller and the driven roller is larger than the diameter of the movable rod.
Preferably, a rubber anti-slip layer is arranged on the outer side of the driving roller.
(III) beneficial effects
Compared with the prior art, the utility model provides a thermal shrinkage film unreeling mechanism, which has the following beneficial effects:
1. According to the thermal shrinkage film unreeling mechanism, the movable rod sliding along the strip-shaped hole is arranged, so that the unreeled thermal shrinkage film can be tensioned under the action of the movable rod, and the thermal shrinkage film is buffered; meanwhile, the driven roller and the driving roller support the heat-shrinkable film cylinder material and drive the heat-shrinkable film cylinder material to rotate, so that the heat-shrinkable film cylinder material is more convenient to replace.
2. This pyrocondensation membrane unreeling mechanism through setting up movable rod, servo motor and distance sensor, highly monitoring through distance sensor to the movable rod, according to the rotational speed of the high control servo motor of measuring, makes spacing wheel maintain in the altitude range of predetermineeing to make and satisfy the membrane demand of using, can avoid servo motor frequent start simultaneously.
Drawings
FIG. 1 is a schematic perspective view of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the structure of the present utility model.
In the figure: 1. a first guide roller; 2. driven roller; 3. a drive roll; 4. a servo motor; 5. a movable rod; 6. a second guide roller; 7. a support plate; 8. a circular through hole; 9. a bar-shaped hole; 10. a limiting wheel; 11. a distance sensor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-2, a heat-shrinkable film unreeling mechanism comprises a supporting plate 7, wherein a strip-shaped hole 9 is vertically formed in the middle of the supporting plate 7, one side of the top end of the strip-shaped hole 9 is provided with a driven roller 2 and a driving roller 3, the other side of the top end of the strip-shaped hole 9 is provided with a first guide roller 1, two ends of the first guide roller 1, the driven roller 2 and the driving roller 3 are rotatably connected with the supporting plate 7, and the driving roller 3 is driven to rotate by a servo motor 4; a movable rod 5 is arranged between the two support plates 7, two ends of the movable rod 5 are respectively connected with the two support plates 7 in a sliding way through a strip-shaped hole 9, and a distance sensor 11 for measuring the height of the movable rod 5 is arranged at the bottom end of the strip-shaped hole 9.
Specifically, the distance between the driven roller 2 and the driving roller 3 is smaller than the diameter of the heat-shrinkable film cylinder core; the distance between the first guide roller 1 and the driven roller 2 is larger than the diameter of the movable rod 5.
The driven roller 2 and the driving roller 3 are arranged to support and limit the heat-shrinkable film tube material, meanwhile, the driving roller 3 can drive the heat-shrinkable film tube material to unwind, the unwound heat-shrinkable film can be tensioned under the action of the movable rod 5, the height of the movable rod 5 is monitored through the distance sensor 11, and the rotating speed of the servo motor 4 is controlled through the controller according to the measured height, so that the limiting wheel 10 is maintained in a preset height range, and the film using requirement is met.
In some embodiments, the bottom end of the bar-shaped hole 9 is provided with a second guide roller 6 on the side close to the first guide roller 1. The heat shrinkage film is subjected to limit reversing through a second guide roller 6 so as to be pulled to a film using mechanism.
In some embodiments, both ends of the movable rod 5 are rotatably connected with a limiting wheel 10, and a wheel groove matched with the thickness of the supporting plate 7 is formed in the outer side of the limiting wheel 10; the top of the bar-shaped hole 9 is provided with a circular through hole 8, and the diameter of the circular through hole 8 is larger than that of the limiting wheel 10.
By arranging the limiting wheels 10 and arranging wheel grooves on the outer sides of the limiting wheels 10, the movable rod 5 is always kept in a horizontal state under the limiting of the two limiting wheels 10, and the influence of the skew of the movable rod 5 on the unreeling of the film is avoided; by arranging the circular through hole 8 at the top end of the strip-shaped hole 9, the movable rod 5 is more convenient to assemble.
The weight of the movable rod 5 is smaller than that of the heat-shrinkable film cylinder core. Along with unreeling of the heat-shrinkable film tube material, the total weight of the heat-shrinkable film tube material can be reduced, and in order to avoid the movable rod 5 to pull the heat-shrinkable film tube material to rotate, the movable rod 5 with the weight smaller than that of the heat-shrinkable film tube core is adopted.
In order to avoid the relative sliding of the driving roller 3 and the heat-shrinkable film tube material, the unreeling of the heat-shrinkable film is affected. The outer side of the driving roller 3 is provided with a rubber anti-slip layer.
Working principle: placing a heat-shrinkable film tube material between a driven roller 2 and a driving roller 3, drawing one end of a heat-shrinkable film to sequentially pass through a movable rod 5, a first guide roller 1 and a second guide roller 6, and then conveying the end of the heat-shrinkable film tube material to a film using mechanism;
When the film unwinding device is used, the servo motor 4 drives the driving roller 3 to drive the heat-shrinkable film cylinder material to rotate so as to unwind the film, under the action of gravity, the movable rod 5 stretches the unwound heat-shrinkable film, the height of the movable rod 5 is monitored through the distance sensor 11, the rotating speed of the servo motor 4 is controlled according to the measured height, the limiting wheel 10 is kept in a preset height range, so that the film using requirement is met, the situation of excessive unwinding or insufficient unwinding is avoided, and meanwhile, the frequent starting and stopping of the servo motor 4 can be avoided.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (8)
1. The utility model provides a thermal shrinkage film unreeling mechanism, includes backup pad (7), its characterized in that: the middle part of the supporting plate (7) is vertically provided with a strip-shaped hole (9), one side of the top end of the strip-shaped hole (9) is provided with a driven roller (2) and a driving roller (3), the other side of the top end of the strip-shaped hole (9) is provided with a first guide roller (1), two ends of the first guide roller (1), the driven roller (2) and the driving roller (3) are rotationally connected with the supporting plate (7), and the driving roller (3) is driven to rotate by a servo motor (4);
A movable rod (5) is arranged between the two supporting plates (7), two ends of the movable rod (5) are respectively connected with the two supporting plates (7) in a sliding mode through strip-shaped holes (9), and a distance sensor (11) used for measuring the height of the movable rod (5) is arranged at the bottom end of each strip-shaped hole (9).
2. A heat shrink film unwind mechanism as defined in claim 1, wherein: the bottom end of the strip-shaped hole (9) is provided with a second guide roller (6) at one side close to the first guide roller (1).
3. A heat shrink film unwind mechanism as defined in claim 1, wherein: both ends of the movable rod (5) are rotationally connected with limiting wheels (10), and wheel grooves matched with the thickness of the supporting plate (7) are formed in the outer sides of the limiting wheels (10).
4. A heat shrink film unwind mechanism as claimed in claim 3, wherein: the top of bar hole (9) has seted up circular through-hole (8), the diameter of circular through-hole (8) is greater than the diameter of spacing round (10).
5. A heat shrink film unwind mechanism as defined in claim 1, wherein: the distance between the driven roller (2) and the driving roller (3) is smaller than the diameter of the heat-shrinkable film cylinder core.
6. A heat shrink film unwind mechanism as defined in claim 1, wherein: the weight of the movable rod (5) is smaller than that of the heat-shrinkable film cylinder core.
7. A heat shrink film unwind mechanism as defined in claim 1, wherein: the distance between the first guide roller (1) and the driven roller (2) is larger than the diameter of the movable rod (5).
8. A heat shrink film unwind mechanism as defined in claim 1, wherein: the outer side of the driving roller (3) is provided with a rubber anti-slip layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322655443.1U CN220975945U (en) | 2023-09-28 | 2023-09-28 | Thermal shrinkage film unreeling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322655443.1U CN220975945U (en) | 2023-09-28 | 2023-09-28 | Thermal shrinkage film unreeling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220975945U true CN220975945U (en) | 2024-05-17 |
Family
ID=91065717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322655443.1U Active CN220975945U (en) | 2023-09-28 | 2023-09-28 | Thermal shrinkage film unreeling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220975945U (en) |
-
2023
- 2023-09-28 CN CN202322655443.1U patent/CN220975945U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |