CN222612512U - A tensioning device for film blowing machine - Google Patents
A tensioning device for film blowing machine Download PDFInfo
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- CN222612512U CN222612512U CN202421140591.8U CN202421140591U CN222612512U CN 222612512 U CN222612512 U CN 222612512U CN 202421140591 U CN202421140591 U CN 202421140591U CN 222612512 U CN222612512 U CN 222612512U
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Abstract
The utility model relates to a tensioning device of a film blowing machine, which comprises a frame, a first roller arranged on one side of the frame, a flattening device for pressing a film on the first roller to drive, a pressure sensor arranged in the middle of the frame, a second roller rotatably connected with the pressure sensor, a third roller arranged on the frame and an adjusting device for adjusting the upper and lower heights of the third roller, wherein the pressure sensor is electrically connected with the adjusting device, the flattening device is arranged on the frame, the acting end of the flattening device corresponds to the first roller, and the third roller is arranged at the acting end of the adjusting device. The problem that the linear speed of an unreeling roller and a reeling roller in a film blowing machine can change along with continuous proceeding of bubble film reeling is solved, the existing tensioning mechanism cannot automatically make corresponding adjustment, the bubble film is affected by pulling or loosening, the tensioning effect of the bubble film is poor, and the reeling effect of the bubble film is affected.
Description
Technical Field
The utility model relates to the field of film blowing machines, in particular to a tensioning device of a film blowing machine.
Background
In the prior art, the bubble film is a product which is formed by taking high-pressure polyethylene as a main raw material, adding auxiliary materials such as a whitening agent, an opening agent and the like, and extruding and sucking the foam at a high temperature of about 230 ℃. Is a novel plastic packaging material with light texture, good transparency, no toxicity and no smell, and can play roles of moisture prevention, buffering, heat preservation and the like for products. The production is carried out by adopting a film blowing machine generally, the bubble film is required to be rolled in the production process, and the bubble film is usually tensioned before rolling so as to ensure the rolling quality in order to improve the receipt rolling effect. The tensioning mechanism in the prior art generally comprises a frame, tensioning rollers rotatably arranged in the middle of the frame and guide rollers rotatably arranged on two sides of the frame, wherein the tensioning rollers are arranged between the two guide rollers, and the bubble film passes through the upper part of one guide roller, passes through the lower part of the tensioning roller and is then sent out from the upper part of the other guide roller, so that the tensioning effect on the bubble film is achieved. But with the continuous progress of bubble membrane rolling, the linear velocity of unreeling roller and wind-up roll in the inflation film manufacturing machine can change, and current straining device can not make corresponding adjustment voluntarily, and the bubble membrane receives the influence of pulling or loosening, leads to the tensioning effect of bubble membrane relatively poor, has influenced the rolling effect of bubble membrane.
Disclosure of utility model
According to the tensioning device of the film blowing machine, the problem that in the prior art, as the winding of the bubble film is continuously carried out, the linear speeds of the unwinding roller and the winding roller in the film blowing machine are changed, the conventional tensioning mechanism cannot automatically adjust correspondingly, the bubble film is influenced by pulling or loosening, so that the tensioning effect of the bubble film is poor, and the winding effect of the bubble film is influenced is solved.
The technical scheme adopted by the embodiment of the application is as follows.
The tensioning device of the film blowing machine comprises a frame, a first roller arranged on one side of the frame, a flattening device for pressing a film on the first roller to drive, a pressure sensor arranged in the middle of the frame, a second roller rotatably connected to the pressure sensor, a third roller arranged on the frame and an adjusting device for adjusting the upper and lower heights of the third roller, wherein the pressure sensor is electrically connected with the adjusting device, the flattening device is arranged on the frame, the acting end of the flattening device corresponds to the first roller, and the third roller is arranged at the acting end of the adjusting device.
The flattening device comprises a rotating piece, a fourth roller arranged on the rotating piece, a guide rod arranged on the frame, an elastic piece and a baffle plate, wherein the elastic piece is used for enabling the fourth roller to always press the third roller, the baffle plate is arranged on the guide rod, the guide rod is sleeved on the elastic piece, one end of the elastic piece is fixedly connected with the rotating piece, the other end of the elastic piece is fixedly connected with the baffle plate, the fourth roller corresponds to the first roller, and the elastic piece pulls the rotating piece to move towards the direction of the baffle plate.
The technical scheme is further improved that the adjusting device comprises a supporting piece, a sliding block sliding on the supporting piece, a first rod driving the sliding block to move up and down and a driving piece driving the first rod to rotate, wherein the driving piece is arranged on the frame, a first groove is formed in the supporting piece, the sliding block slides in the first groove, the first rod is rotatably connected in the first groove, and the first rod is fixedly connected with the active end of the driving piece.
The technical scheme is further improved in that the action end of the driving piece is further provided with a synchronous wheel and a belt, the supporting piece is oppositely provided with two groups, and the driving piece simultaneously controls the sliding blocks on the two sides to move up and down synchronously.
As a further improvement of the above technical solution, the first rod is a threaded rod.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
1. Because the frame is square and hollow inside, one side of the frame is provided with the first roller, the first roller is rotationally connected on the frame, one side of the frame, which faces the first roller, is rotationally connected with the rotating piece, the rotating piece is rotationally connected with the fourth roller, the frame is provided with the guide rod, the guide rod is arc-shaped and circular in section, the guide rod penetrates through the rotating piece, the guide rod is provided with the baffle, the guide rod is sleeved with the elastic piece, one end of the elastic piece is fixedly connected with the rotating piece, the other end of the elastic piece is fixedly connected with the baffle, the rotating piece is relatively provided with two groups, the elastic piece drives the fourth roller to press on the first roller, thereby pressing the film flatly on the first roller, preventing the wrinkles from being transmitted at the same time, the middle position of the frame is provided with the pressure sensor, the pressure sensor is relatively provided with two groups, the pressure sensor is rotationally connected with the second roller, the other side of the frame is provided with the supporting piece, the support piece is rectangular, a first groove is formed in the support piece, a sliding block is connected in the first groove in a sliding mode, a first rod is connected in the first groove in a rotating mode, the first rod is a threaded rod, the first rod penetrates through a frame, a driving piece is arranged at the bottom of the frame, the acting end of the driving piece is fixedly connected with the first rod, a belt and a synchronous wheel are arranged on the driving piece, the support piece is oppositely provided with two groups of sliding blocks, accordingly, the two groups of sliding blocks slide up and down synchronously, a third roller is arranged on the sliding block, the third roller moves up and down along with the sliding block, the driving piece is electrically connected with a pressure sensor, when the pressure sensor detects that the pressure of a film on the second roller is reduced, the driving piece rotates to enable the film to be tensioned on the third roller, when the pressure sensor detects that the pressure of the film on the second roller is increased, the driving piece rotates to enable the film to be tensioned on the third roller and the pressure to be in a proper state, thereby the film is located on the second roller, and the tensioning effect of the automatic adjusting film is further realized.
Drawings
Fig. 1 is a schematic structural view of a tensioning device of a film blowing machine in the utility model.
Fig. 2 is a cross-sectional view of a tensioning device of a film blowing machine in accordance with the present utility model.
Fig. 3 is a partial enlarged view of a in fig. 1.
1, A frame, 2, a first roller, 3, a flattening device, 31, a rotating member, 32, a fourth roller, 33, a guide rod, 34, an elastic member, 35, a baffle plate, 4, a pressure sensor, 5, a second roller, 6, a third roller, 7, an adjusting device, 71, a supporting member, 711, a first groove, 72, a sliding block, 73, a first rod, 74 and a driving member.
Detailed Description
According to the tensioning device of the film blowing machine, the problem that in the prior art, as the winding of the bubble film is continuously carried out, the linear speeds of the unwinding roller and the winding roller in the film blowing machine are changed, the conventional tensioning mechanism cannot automatically adjust correspondingly, the bubble film is influenced by pulling or loosening, so that the tensioning effect of the bubble film is poor, and the winding effect of the bubble film is influenced is solved.
In order to solve the problems, the technical scheme in the embodiment of the application has the following general ideas
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
A tensioning device of a film blowing machine comprises a frame 1, a first roller 2 arranged on one side of the frame 1, a flattening device 3 for pressing a film on the first roller 2 to drive, a pressure sensor 4 arranged in the middle of the frame 1, a second roller 5 rotatably connected with the pressure sensor 4, a third roller 6 arranged on the frame 1 and an adjusting device 7 for adjusting the upper and lower heights of the third roller 6, wherein the pressure sensor 4 is electrically connected with the adjusting device 7, the flattening device 3 is arranged on the frame 1, the acting end of the flattening device 3 corresponds to the first roller 2, and the third roller 6 is arranged at the acting end of the adjusting device 7.
The flattening device 3 comprises a rotating piece 31, a fourth roller 32 arranged on the rotating piece 31, a guide rod 33 arranged on the frame 1, an elastic piece 34 and a baffle 35, wherein the elastic piece 34 is used for enabling the fourth roller 32 to always press the third roller 6, the baffle 35 is arranged on the guide rod 33, the guide rod 33 is sleeved on the elastic piece 34, one end of the elastic piece 34 is fixedly connected with the rotating piece 31, the other end of the elastic piece 34 is fixedly connected with the baffle 35, the fourth roller 32 corresponds to the first roller 2, and the elastic piece 34 pulls the rotating piece 31 to move towards the baffle 35.
The adjusting device 7 comprises a supporting piece 71, a sliding block 72 sliding on the supporting piece 71, a first rod 73 driving the sliding block 72 to move up and down and a driving piece 74 driving the first rod 73 to rotate, wherein the driving piece 74 is arranged on the frame 1, a first groove 711 is formed in the supporting piece 71, the sliding block 72 slides in the first groove 711, the first rod 73 is rotatably connected in the first groove 711, and the first rod 73 is fixedly connected with the acting end of the driving piece 74.
The action end of the driving piece 74 is also provided with a synchronous wheel and a belt, the supporting piece 71 is oppositely provided with two groups, and the driving piece 74 simultaneously controls the sliding blocks 72 at the two sides to synchronously move up and down.
The first rod 73 is a threaded rod.
The frame 1 is square and hollow in the inside, one side of the frame 1 is provided with a first roller 2, the first roller 2 is rotationally connected to the frame 1, one side of the frame 1, which faces the first roller 2, is rotationally connected with a rotating member 31, the rotating member 31 is rotationally connected with a fourth roller 32, the frame 1 is provided with a guide rod 33, the guide rod 33 is arc-shaped and circular in section, the guide rod 33 penetrates through the rotating member 31, the guide rod 33 is provided with a baffle 35, the guide rod 33 is sleeved with an elastic member 34, one end of the elastic member 34 is fixedly connected with the rotating member 31, the other end of the elastic member 34 is fixedly connected with the baffle 35, the rotating member 31 is oppositely provided with two groups, the elastic member 34 drives the fourth roller 32 to be pressed on the first roller 2, so that a film is flatly pressed on the first roller 2, the wrinkles are prevented, the transmission efficiency is high at the same time, the middle position of the frame 1 is provided with a pressure sensor 4, the pressure sensor 4 is oppositely provided with two groups, the other side of the frame 1 is rotatably connected with a second roller 5, the other side of the frame 1 is provided with a supporting piece 71, the supporting piece 71 is in a strip square shape, the supporting piece 71 is provided with a first groove 711, a sliding block 72 is slidably connected in the first groove 711, the first groove 711 is rotatably connected with a first rod 73, the first rod 73 is a threaded rod, the first rod 73 penetrates through the frame 1, the bottom of the frame 1 is provided with a driving piece 74, the acting end of the driving piece 74 is fixedly connected with the first rod 73, the driving piece 74 is provided with a belt and a synchronous wheel, the supporting piece 71 is oppositely provided with two groups, so that the two groups of sliding blocks 72 synchronously slide up and down, the sliding block 72 is provided with a third roller 6, the third roller 6 moves up and down along with the sliding block 72, the driving piece 74 is electrically connected with the pressure sensor 4, when the pressure of the pressure sensor 4 detects that the film is reduced on the second roller 5, the driving piece 74 rotates to enable the film to be stretched on the third roller 6, so that the film is stretched over the second roller 5, and when the pressure sensor 4 detects an increase in the pressure of the film against the second roller 5, the driving member 74 rotates so that the film is stretched over the third roller 6 with the pressure in a proper state so that the film is positioned on the second roller 5.
Because the frame 1 is square and hollow inside, one side of the frame 1 is provided with the first roller 2, the first roller 2 is rotationally connected to the frame 1, one side of the frame 1 facing the first roller 2 is rotationally connected with the rotating member 31, the rotating member 31 is rotationally connected with the fourth roller 32, the frame 1 is provided with the guide rod 33, the guide rod 33 is arc-shaped and circular in section, the guide rod 33 penetrates through the rotating member 31, the guide rod 33 is provided with the baffle 35, the guide rod 33 is sleeved with the elastic member 34, one end of the elastic member 34 is fixedly connected with the rotating member 31, the other end of the elastic member 34 is fixedly connected with the baffle 35, the rotating member 31 is oppositely provided with two groups, the elastic member 34 drives the fourth roller 32 to be pressed on the first roller 2, thereby pressing the film flatly on the first roller 2, preventing wrinkles and simultaneously having high transmission efficiency, the middle position of the frame 1 is provided with the pressure sensor 4, the pressure sensor 4 is oppositely provided with two groups, the other side of the frame 1 is rotatably connected with a second roller 5, the other side of the frame 1 is provided with a supporting piece 71, the supporting piece 71 is in a strip square shape, the supporting piece 71 is provided with a first groove 711, a sliding block 72 is slidably connected in the first groove 711, the first groove 711 is rotatably connected with a first rod 73, the first rod 73 is a threaded rod, the first rod 73 penetrates through the frame 1, the bottom of the frame 1 is provided with a driving piece 74, the acting end of the driving piece 74 is fixedly connected with the first rod 73, the driving piece 74 is provided with a belt and a synchronous wheel, the supporting piece 71 is oppositely provided with two groups, so that the two groups of sliding blocks 72 synchronously slide up and down, the sliding block 72 is provided with a third roller 6, the third roller 6 moves up and down along with the sliding block 72, the driving piece 74 is electrically connected with the pressure sensor 4, when the pressure of the pressure sensor 4 detects that the film is reduced on the second roller 5, the driving piece 74 rotates to enable the film to be stretched on the third roller 6, so that the film is stretched on the second roller 5, and when the pressure sensor 4 detects that the pressure of the film on the second roller 5 increases, the driving member 74 rotates so that the film is stretched on the third roller 6 and the pressure is in a proper state, so that the film is positioned on the second roller 5, and the tensioning effect of the self-adjusting film is realized.
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (5)
1. The tensioning device of the film blowing machine is characterized by comprising a frame (1), a first roller (2) arranged on one side of the frame (1), a flattening device (3) for pressing a film on the first roller (2) to drive, a pressure sensor (4) arranged in the middle of the frame (1), a second roller (5) rotatably connected to the pressure sensor (4), a third roller (6) arranged on the frame (1) and an adjusting device (7) for adjusting the upper and lower heights of the third roller (6), wherein the pressure sensor (4) is electrically connected with the adjusting device (7), the flattening device (3) is arranged on the frame (1), the acting end of the flattening device (3) corresponds to the first roller (2), and the third roller (6) is arranged at the acting end of the adjusting device (7).
2. The tensioning device of the film blowing machine according to claim 1, wherein the flattening device (3) comprises a rotating piece (31), a fourth roller (32) arranged on the rotating piece (31), a guide rod (33) arranged on the frame (1), an elastic piece (34) enabling the fourth roller (32) to always press the third roller (6) and a baffle plate (35) arranged on the guide rod (33), the baffle plate (35) is arranged on the guide rod (33), the guide rod (33) is sleeved on the elastic piece (34), one end of the elastic piece (34) is fixedly connected with the rotating piece (31), the other end of the elastic piece (34) is fixedly connected with the baffle plate (35), the fourth roller (32) corresponds to the first roller (2), and the elastic piece (34) pulls the rotating piece (31) to move towards the baffle plate (35).
3. The tensioning device of a film blowing machine according to claim 1, wherein the adjusting device (7) comprises a supporting piece (71), a sliding block (72) sliding on the supporting piece (71), a first rod (73) driving the sliding block (72) to move up and down and a driving piece (74) driving the first rod (73) to rotate, the driving piece (74) is arranged on the frame (1), a first groove (711) is formed in the supporting piece (71), the sliding block (72) slides in the first groove (711), the first rod (73) is connected in the first groove (711) in a rotating mode, and the first rod (73) is fixedly connected with the acting end of the driving piece (74).
4. A tensioning device of a film blowing machine according to claim 3, wherein the action end of the driving piece (74) is further provided with a synchronous wheel and a belt, the supporting piece (71) is oppositely provided with two groups, and the driving piece (74) simultaneously controls the sliding blocks (72) at two sides to synchronously move up and down.
5. A tensioning device of a film blowing machine according to claim 3, characterized in that the first rod (73) is a threaded rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421140591.8U CN222612512U (en) | 2024-05-23 | 2024-05-23 | A tensioning device for film blowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421140591.8U CN222612512U (en) | 2024-05-23 | 2024-05-23 | A tensioning device for film blowing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222612512U true CN222612512U (en) | 2025-03-14 |
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ID=94913292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421140591.8U Active CN222612512U (en) | 2024-05-23 | 2024-05-23 | A tensioning device for film blowing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222612512U (en) |
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2024
- 2024-05-23 CN CN202421140591.8U patent/CN222612512U/en active Active
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