CN219381589U - Film blowing device for PVC heat shrinkage film - Google Patents
Film blowing device for PVC heat shrinkage film Download PDFInfo
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- CN219381589U CN219381589U CN202320584454.2U CN202320584454U CN219381589U CN 219381589 U CN219381589 U CN 219381589U CN 202320584454 U CN202320584454 U CN 202320584454U CN 219381589 U CN219381589 U CN 219381589U
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Abstract
The utility model relates to the technical field of PVC film blowing, in particular to a film blowing device for a PVC heat shrinkage film, wherein a cooling roller is rotatably arranged in the middle position in a box body, spoilers are arranged in the cooling roller at equal intervals in a staggered manner, a limiting component is arranged above the cooling roller in the box body, a transmission part for driving the cooling roller to rotate is arranged at the lower end of the inside of the box body, and a water cooling component for cooling the cooling roller is arranged at the upper end of the box body. According to the utility model, the cooling roller is in a low-temperature state through the arrangement of the water cooling component, so that the film passing through the cooling roller is cooled, unstable stress of the film caused by air flow is avoided, and wrinkles in the winding process are reduced; through the setting of spacing subassembly, realize the compaction of film both sides limit, prevent the film skew then, stability when further improving the film rolling.
Description
Technical Field
The utility model relates to the technical field of PVC film blowing, in particular to a film blowing device for a PVC heat-shrinkable film.
Background
The film blowing process is one plastic processing process, which includes heating plastic particle to melt and blowing into film, extruding polymer to form tubular film blank, blowing the tubular film to required thickness with high pressure air in high melt flow state, cooling and setting. When the existing film blowing device for PVC heat-shrinkable films is used, the film blowing device is cooled by an air ring, blows up the herringbone plate, pulls a roller, and winds up the finished film into a cylinder. In the working process of the film blowing machine, the generated waste gas is not treated for a long time, and the body of a worker can be influenced. Therefore, in chinese patent publication No. CN214000493U, a plastic film blowing device is disclosed, and the structure is characterized in that an exhaust nozzle is provided, harmful gas primarily purified by an adsorption plate is poured into a purifying liquid in the purifying box through the exhaust nozzle, and the harmful gas can be purified again, so that the harmful gas is thoroughly purified, and the gas purified by the purifying box is blown to the surface of the film through the air blowing pipe by arranging the air blowing pipe, so that the film can be cooled.
However, although the emission of harmful gases can be effectively reduced, the film after molding is unstable in stress due to the agitation of air flow, and wrinkles are easily generated during winding, so that a film blowing device for a PVC heat shrinkable film is provided by a person skilled in the art to solve the problems in the prior art.
Disclosure of Invention
The utility model aims to provide a film blowing device for PVC heat shrinkage films, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a PVC heat shrinkage film's inflation film manufacturing apparatus, includes the inflation film manufacturing machine, sets up the feeder hopper above the inflation film manufacturing machine to and install the box at the inflation film manufacturing machine output, the inside cooling roller of installing is rotated to middle part position department in the box, the inside of cooling roller is the dislocation equidistant spoiler that is provided with, the inside of box is located the top of cooling roller and is equipped with spacing subassembly, and the inside lower extreme of box is equipped with and is used for driving the pivoted driving piece of cooling roller, the water-cooling subassembly that is used for the cooling roller cooling is installed to the upper end of box;
the water cooling assembly comprises a support frame fixed on the upper surface of the box body, an air cooler is fixed at the middle position of the support frame, a hot water cavity communicated with the cooling roller is formed in one end of the support frame, a cold water cavity communicated with the cooling roller is formed in the other end of the support frame, and cooling water pipes corresponding to the output end of the air cooler are installed between the hot water cavity and the cold water cavity at equal intervals.
As a further aspect of the present utility model: the limiting assembly comprises a second motor fixed inside the box body, a bidirectional screw rod is installed at the output end of the second motor, movable brackets connected with the bidirectional screw rod in a threaded mode are symmetrically installed on the bidirectional screw rod, fixed brackets are fixed at the lower ends of the movable brackets, limiting pressing cylinders connected with the cooling rollers in a rolling mode are installed on the fixed brackets, the limiting pressing cylinders are conical, and rubber sleeves are sleeved on the surfaces of the limiting pressing cylinders.
As a further aspect of the present utility model: the driving piece comprises a first motor fixed at the inner bottom of the box body, a driving belt wheel is fixedly sleeved at the output end of the first motor, a driven belt wheel is installed at one end of the cooling roller, and a driving belt is installed between the driven belt wheel and the driving belt wheel.
As a further aspect of the present utility model: a water inlet pipe is arranged between the cold water cavity and the cooling roller, a water pump is arranged on the water inlet pipe, and a water return pipe is arranged between the hot water cavity and the cooling roller.
As a further aspect of the present utility model: the upper end of the movable support is provided with a sliding notch, and the top in the box body is provided with a sliding rail which is in sliding connection with the sliding notch.
As a further aspect of the present utility model: the inside of box is located the both sides of chill roll and all rotates installs the guide roll, and the export has been seted up to one side that the inflation film manufacturing machine was kept away from to the box, the outside of export rotates installs the output roller.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the cooling roller is in a low-temperature state through the arrangement of the water cooling component, so that the film passing through the cooling roller is cooled, unstable stress of the film caused by air flow is avoided, and wrinkles in the winding process are reduced; through the setting of spacing subassembly, realize the compaction of film both sides limit, prevent the film skew then, stability when further improving the film rolling.
Drawings
FIG. 1 is a schematic structural view of a film blowing device for PVC heat shrink films;
FIG. 2 is a schematic diagram showing the internal structure of a box in a film blowing device for PVC heat shrink films;
fig. 3 is a schematic diagram of the internal structure of a film blowing device for PVC heat shrink film.
In the figure: 1. a film blowing machine; 2. a feed hopper; 3. a case; 4. an outlet; 5. an output roller; 6. a guide roller; 7. a support frame; 8. a water return pipe; 9. a water inlet pipe; 10. a water pump; 11. a cooling water pipe; 12. an air cooler; 13. a hot water chamber; 14. a cold water cavity; 15. a cooling roller; 16. a spoiler; 17. a driving pulley; 18. a first motor; 19. a transmission belt; 20. a driven pulley; 21. a second motor; 22. a two-way screw rod; 23. a movable support; 24. a fixed bracket; 25. and limiting the pressure cylinder.
Detailed Description
Referring to fig. 1 to 3, in an embodiment of the present utility model, a film blowing device for PVC heat shrink film includes a film blowing machine 1, a feed hopper 2 disposed above the film blowing machine 1, and a box 3 mounted at an output end of the film blowing machine 1, wherein a cooling roller 15 is rotatably mounted in a middle position in the box 3, spoilers 16 are disposed in the cooling roller 15 at equal intervals in a staggered manner, a limit assembly is disposed in the box 3 above the cooling roller 15, a transmission member for driving the cooling roller 15 to rotate is disposed at a lower end of the box 3, and a water cooling assembly for cooling the cooling roller 15 is mounted at an upper end of the box 3;
the water cooling assembly comprises a support frame 7 fixed on the upper surface of the box body 3, an air cooler 12 is fixed at the middle position of the support frame 7, a hot water cavity 13 communicated with a cooling roller 15 is formed in one end of the support frame 7, a cold water cavity 14 communicated with the cooling roller 15 is formed in the other end of the support frame 7, cooling water pipes 11 corresponding to the output end of the air cooler 12 are installed between the hot water cavity 13 and the cold water cavity 14 at equal intervals, a water pump 10 is started, cold water in the cold water cavity 14 is injected into the cooling roller 15 through the water pump 10, cooling of the cooling roller 15 is achieved, retention time of water in the cooling roller 15 is prolonged through the arrangement of a flow blocking plate 16, so that heat exchange effect is improved, hot water in the cooling roller 15 is input into the hot water cavity 13 through the arrangement of a water return pipe 8, conversion and conveying of the hot water to the cold water are achieved through the arrangement of the cooling water pipes 11, hot water cooling in the cooling water pipes 11 is accelerated under the effect of the air cooler 12, water cooling in the equipment is achieved, the water cooling circulation in the equipment is avoided, stress is unstable due to air flow is avoided, and the production in the winding process is reduced.
In fig. 2, the limiting assembly comprises a second motor 21 fixed inside the box body 3, a bidirectional screw rod 22 is installed at the output end of the second motor 21, a movable support 23 in threaded connection with the bidirectional screw rod 22 is symmetrically installed on the bidirectional screw rod 22, fixed supports 24 are fixed at the lower ends of the movable support 23, a limiting pressing cylinder 25 in rolling connection with the cooling roller 15 is installed on the fixed supports 24, the second motor 21 is started, the bidirectional screw rod 22 is driven to rotate by the second motor 21, the distance between the two opposite limiting pressing cylinders 25 is adjusted through the threaded connection between the bidirectional screw rod 22 and the movable support 23, the pressing edge of the film is further facilitated to be carried out by the specific width of the film, the film is prevented from being offset, the stability of the film in rolling is further improved, the limiting pressing cylinders 25 are conical, rubber sleeves are sleeved on the surfaces of the limiting pressing cylinders 25, and wrinkles caused by the movement of the limiting pressing cylinders 25 are avoided through a conical structure; the upper end of the movable support 23 is provided with a sliding notch, a sliding rail which is in sliding connection with the sliding notch is arranged at the inner top of the box body 3, and the stability of the movable support 23 during movement is improved through sliding connection between the sliding notch and the sliding rail.
In fig. 2, the transmission member includes a first motor 18 fixed at the bottom in the box 3, a driving pulley 17 is fixedly sleeved at the output end of the first motor 18, a driven pulley 20 is installed at one end of the cooling roller 15, a transmission belt 19 is installed between the driven pulley 20 and the driving pulley 17, the first motor 18 is started, the driving pulley 17 is driven to rotate by the first motor 18, the driven pulley 20 synchronously rotates under the transmission action of the transmission belt 19, the cooling roller 15 is further rotated, the film is conveyed in the box 3, the contact site between the cooling roller 15 and the film can be changed, and the cooling effect is improved.
In fig. 1 and 2, a water inlet pipe 9 is installed between a cold water cavity 14 and a cooling roller 15, cold water is driven to enter the cooling roller 15, a water pump 10 is installed on the water inlet pipe 9, driving according to the cooling water is realized through the water pump 10, and a water return pipe 8 is installed between a hot water cavity 13 and the cooling roller 15, so that hot water is returned.
In fig. 3, the inside of the box 3 is located at both sides of the cooling roller 15 and is provided with the guide roller 6 in a rotating manner, and one side of the box 3 far away from the film blowing machine 1 is provided with the outlet 4, and the outer side of the outlet 4 is provided with the output roller 5 in a rotating manner, so that the film can be conveniently input and output.
The working principle of the utility model is as follows: when the PVC film blowing machine is used, PVC raw materials are put into the feed hopper 2, a PVC film is obtained through film blowing of the film blowing machine 1, the PVC film is input and output into the box 3 through the arrangement of the guide roller 6, the first motor 18 is started, the driving belt pulley 17 is driven to rotate through the first motor 18, the driven belt pulley 20 is synchronously rotated through the transmission effect of the transmission belt 19, the cooling roller 15 is further rotated, the conveying of the film in the box 3 is facilitated, the contact position between the cooling roller 15 and the film can be changed, and the cooling effect is improved; starting a water pump 10, injecting cold water in a cold water cavity 14 into a cooling roller 15 through the water pump 10, thereby realizing cooling of the cooling roller 15, prolonging the detention time of the water in the cooling roller 15 through the arrangement of a flow baffle 16, thereby improving the heat exchange effect, inputting hot water in the cooling roller 15 into a hot water cavity 13 under the arrangement of a water return pipe 8, realizing conversion and transportation from the hot water to the cold water through the arrangement of a cooling water pipe 11, and accelerating the cooling of the hot water in the cooling water pipe 11 under the action of an air cooler 12, thereby realizing water cooling circulation in equipment, avoiding unstable stress of a film caused by air flow, and reducing wrinkles in the winding process; the second motor 21 is started, the bidirectional screw rod 22 is driven to rotate through the second motor 21, the distance between the two opposite limiting pressing cylinders 25 is adjusted through threaded connection between the bidirectional screw rod 22 and the movable support 23, the pressing edges are favorably pressed by the specific width of the produced film, the compaction of two sides of the film is realized, the film deviation is prevented, and the stability of film winding is further improved.
Claims (6)
1. The utility model provides a PVC heat shrinkage film's inflation film manufacturing apparatus, includes inflation film manufacturing machine (1), sets up feeder hopper (2) above inflation film manufacturing machine (1) to and install box (3) at inflation film manufacturing machine (1) output, its characterized in that, middle part position department rotates in box (3) installs chill roll (15), the inside of chill roll (15) is dislocation equidistant spoiler (16) that are provided with, the inside of box (3) is located the top of chill roll (15) and is equipped with spacing subassembly, and the inside lower extreme of box (3) is equipped with the driving medium that is used for driving chill roll (15) pivoted, the water-cooling subassembly that is used for chill roll (15) cooling is installed to the upper end of box (3);
the water cooling assembly comprises a support frame (7) fixed on the upper surface of the box body (3), an air cooler (12) is fixed at the middle position of the support frame (7), a hot water cavity (13) communicated with a cooling roller (15) is formed in one end of the support frame (7), a cold water cavity (14) communicated with the cooling roller (15) is formed in the other end of the support frame (7), and cooling water pipes (11) corresponding to the output end of the air cooler (12) are installed between the hot water cavity (13) and the cold water cavity (14) at equal intervals.
2. The film blowing device of the PVC heat shrink film according to claim 1, wherein the limiting component comprises a second motor (21) fixed inside a box body (3), a bidirectional screw rod (22) is installed at the output end of the second motor (21), movable brackets (23) in threaded connection with the bidirectional screw rod (22) are symmetrically installed on the bidirectional screw rod (22), fixed brackets (24) are fixed at the lower ends of the movable brackets (23), limiting pressure cylinders (25) in rolling connection with the cooling rollers (15) are installed on the fixed brackets (24), the limiting pressure cylinders (25) are conical, and rubber sleeves are sleeved on the surfaces of the limiting pressure cylinders.
3. A film blowing device for PVC heat shrink film according to claim 1, wherein the driving member includes a first motor (18) fixed at the inner bottom of the case (3), the output end of the first motor (18) is fixedly sleeved with a driving pulley (17), one end of the cooling roller (15) is provided with a driven pulley (20), and a driving belt (19) is installed between the driven pulley (20) and the driving pulley (17).
4. The film blowing device of the PVC heat shrink film according to claim 1, wherein a water inlet pipe (9) is arranged between the cold water cavity (14) and the cooling roller (15), a water pump (10) is arranged on the water inlet pipe (9), and a water return pipe (8) is arranged between the hot water cavity (13) and the cooling roller (15).
5. The film blowing device of the PVC heat shrink film according to claim 2, wherein a sliding notch is formed in the upper end of the movable support (23), and a sliding rail which is in sliding connection with the sliding notch is arranged at the inner top of the box body (3).
6. The film blowing device of the PVC heat shrink film according to claim 1, wherein the guide rollers (6) are rotatably arranged on two sides of the cooling roller (15) inside the box body (3), an outlet (4) is formed in one side, far away from the film blowing machine (1), of the box body (3), and an output roller (5) is rotatably arranged on the outer side of the outlet (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320584454.2U CN219381589U (en) | 2023-03-23 | 2023-03-23 | Film blowing device for PVC heat shrinkage film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320584454.2U CN219381589U (en) | 2023-03-23 | 2023-03-23 | Film blowing device for PVC heat shrinkage film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219381589U true CN219381589U (en) | 2023-07-21 |
Family
ID=87194331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320584454.2U Active CN219381589U (en) | 2023-03-23 | 2023-03-23 | Film blowing device for PVC heat shrinkage film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219381589U (en) |
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2023
- 2023-03-23 CN CN202320584454.2U patent/CN219381589U/en active Active
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