CN219238767U - Film tension adjusting device - Google Patents
Film tension adjusting device Download PDFInfo
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- CN219238767U CN219238767U CN202223512371.7U CN202223512371U CN219238767U CN 219238767 U CN219238767 U CN 219238767U CN 202223512371 U CN202223512371 U CN 202223512371U CN 219238767 U CN219238767 U CN 219238767U
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Abstract
A film tension adjustment device comprising: a frame, a transfer roller and a tension adjusting assembly; a plurality of conveying rollers are arranged on the frame; the tension adjusting component is arranged on the frame and is positioned between the front conveying roller and the rear conveying roller; the adjusting base is arranged on the frame, and the rotating frame is arranged on the adjusting base; the upper end of the rotating frame is rotatably connected between the left end and the right end of the transverse swinging frame, one end of the transverse swinging frame is provided with a tension adjusting roller, and the upper end of the pull rope is connected with the other end of the transverse swinging frame; the winding wheel sets up in adjusting the base, and the lower extreme rolling of stay cord is in the winding wheel. According to the scheme, the stay ropes are wound and unwound through the winding wheels, so that the swing angle of the transverse swing frame is controlled, the tension of the film when passing through the tension adjusting roller is dynamically adjusted, and the problem that the film is easy to deform or break due to long-time tensioning of the film by the conveying roller is effectively solved.
Description
Technical Field
The utility model relates to the technical field of film processing devices, in particular to a film tension adjusting device.
Background
In the existing film conveying device, the front and back positions of the film are clamped through the conveying rollers at the same time, so that the film is kept tight, the film is prevented from being in a loose state, and the film is further ensured to be accurate in position during processing. When part of the film conveying device conveys the film, the front and back positions of the film are too tight, and the tension of the film cannot be dynamically adjusted, so that the film is easy to deform, and even part of the film can be broken.
Disclosure of Invention
The utility model aims to provide a film tension adjusting device which is used for winding and unwinding a pull rope through a winding wheel so as to control the swinging angle of a transverse swinging frame and further dynamically adjust the tension of a film when the film passes through a tension adjusting roller.
To achieve the purpose, the utility model adopts the following technical scheme:
a film tension adjustment device comprising: a frame, a transfer roller and a tension adjusting assembly;
a plurality of the conveying rollers are mounted on the frame; the tension adjusting component is arranged on the frame and is positioned between the front conveying roller and the rear conveying roller;
the tension adjustment assembly includes: the device comprises an adjusting base, a rotating frame, a transverse swinging frame, a tension adjusting roller, a pull rope and a winding wheel;
the adjusting base is arranged on the frame, and the rotating frame is arranged on the adjusting base; the upper end of the rotating frame is rotatably connected between the left end and the right end of the transverse swinging frame, one end of the transverse swinging frame is provided with the tension adjusting roller, and the upper end of the pull rope is connected with the other end of the transverse swinging frame; the winding wheel set up in adjust the base, the lower extreme rolling of stay cord in the winding wheel.
Preferably, the tension adjusting assembly further comprises: a winding rotation driver;
the output end of the rolling rotation driver is connected to the rolling wheel and used for driving the rolling wheel to rotate.
Preferably, the transverse swing frame comprises: a fixed frame, a movable frame and an extension spring;
the middle parts of the two sides of the fixed frame are rotatably connected with the rotating frame; the fixed frame is provided with a movable groove extending downwards; the inner wall of the notch of the movable groove is provided with a limiting table; two ends of the tension adjusting roller are connected with the movable frame; t-shaped plates are respectively arranged at two ends of the movable frame, and the T-shaped plates are movably limited in the movable grooves; the extension spring is arranged on the T-shaped plate; one end of the extension spring abuts against the T-shaped plate, and the other end of the extension spring abuts against the limiting table.
Preferably, the rotating frame is provided with positioning plates, and the positioning plates are respectively positioned at the upper and lower positions of the rotating frame; the fixed frame swings to be abutted against the positioning plate.
Preferably, the rotating frame is provided with a vertically extending adjusting groove, and the positioning plate is adjustably limited in position in the adjusting groove.
Preferably, the regulating groove is provided with a plurality of limiting holes along the vertical direction; a movable rod is arranged on one surface of the positioning plate;
the movable rod is clamped in one of the limiting holes, so that the positioning plate is limited in the adjusting groove.
Preferably, the method further comprises: a heating roller;
the heating roller is arranged on the adjusting base; and a heating channel is arranged in the heating roller and used for introducing heating fluid.
Preferably, the method further comprises: a tension detecting device;
the tension detection device is provided with tension detection rollers, and the tension detection rollers are positioned between the tension adjusting rollers and one of the conveying rollers; the tension detection roller device is in communication connection with the winding rotation driver.
The technical scheme provided by the utility model can comprise the following beneficial effects:
the film tension adjusting device is used for winding and unreeling the stay ropes through the winding wheel to control the swing angle of the transverse swing frame, and further dynamically adjust the tension of the film when passing through the tension adjusting roller, so that the problem that the film is easy to deform or break due to long-time tensioning of the conveying roller on the film is effectively solved.
Drawings
FIG. 1 is a schematic view of one embodiment of a film tensioning device;
FIG. 2 is a schematic illustration of the construction of one embodiment of a tensioning assembly;
FIG. 3 is a schematic exploded view of one embodiment of a tensioning assembly;
fig. 4 is an enlarged schematic view of the portion a in fig. 3.
Wherein:
a frame 1, a conveying roller 2 and a tension adjusting component 3; a heating roller 4; a tension detecting device 5; a film 9;
the device comprises an adjusting base 31, a rotating frame 32, a transverse swinging frame 33, a tension adjusting roller 34, a pull rope 35 and a winding wheel 36; a wind-up rotation driver 37;
a fixed frame 331, a movable frame 332, and a tension spring 333; a movable slot 334; a stop table 335; a T-shaped plate 336;
a positioning plate 321; an adjustment slot 322; a limiting hole 323; a movable lever 324; tension detecting roller 51.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The technical scheme of the scheme is further described through the specific embodiments with reference to the accompanying drawings.
A film tension adjustment device comprising: a frame 1, a conveying roller 2 and a tension adjusting assembly 3;
a plurality of the conveying rollers 2 are mounted on the frame 1; the tension adjusting component 3 is arranged on the frame 1 and is positioned between the front conveying roller 2 and the rear conveying roller 2;
the tension adjusting assembly 3 includes: the device comprises an adjusting base 31, a rotating frame 32, a transverse swinging frame 33, a tension adjusting roller 34, a pull rope 35 and a winding wheel 36;
the adjusting base 31 is mounted on the frame 1, and the rotating frame 32 is mounted on the adjusting base 31; the upper end of the rotating frame 32 is rotatably connected between the left end and the right end of the transverse swinging frame 33, one end of the transverse swinging frame 33 is provided with the tension adjusting roller 34, and the upper end of the pull rope 35 is connected with the other end of the transverse swinging frame 33; the winding wheel 36 is disposed on the adjusting base 31, and the lower end of the pull rope 35 is wound on the winding wheel 36.
The film tension adjusting device is characterized in that a pull rope 35 is wound and unwound through a winding wheel 36 to control the swing angle of a transverse swing frame 33, so that the tension of a film 9 passing through a tension adjusting roller 34 is dynamically adjusted, and the problem that the film 9 is easy to deform or break due to long-time tensioning of the film 9 by a conveying roller is effectively solved.
Specifically, a plurality of conveying rollers 2 are distributed along the conveying direction of the film for guiding the film to be conveyed and expanding the film so that the film is in a stretched state; the transverse swinging frame 33 transversely extends, is connected with the rotating frame 32 at the middle position, one end of the transverse swinging frame 33 is connected with the tension adjusting roller 34, and the other end of the transverse swinging frame 33 is connected with the upper end of the pull rope 35; as shown in fig. 1 and 2, take-up reel 36 is rotatable clockwise and counterclockwise; when the winding wheel 36 rotates clockwise, the pulling rope 35 can be output to the transverse swinging frame 33 by the pulling rope 35, so that the transverse swinging frame 33 is kept in a balanced state and rotates to drive the tension adjusting roller 34 to swing downwards, and the tension adjusting roller 34 can loosen the film to reduce the tension as the film bypasses the tension adjusting roller 34 from bottom to top at the moment; when the winding wheel 36 rotates anticlockwise, the winding wheel can wind the pull rope 35, the transverse swinging frame 33 swings towards one end of the pull rope 35, and the tension adjusting roller 34 swings upwards relatively, so that the film bypasses the tension adjusting roller 34 from bottom to top, and the tension adjusting roller 34 can tighten the film to improve the tension. Therefore, the effect of dynamically adjusting the film tension is achieved.
The winding wheel 36 can be manually driven to rotate and can also be mechanically driven to rotate; for mechanical actuation, the tensioning assembly 3 preferably further comprises: a wind-up rotation driver 37;
the output end of the winding rotation driver 37 is connected to the winding wheel 36, and is used for driving the winding wheel 36 to rotate.
The wind-up rotation driver 37 is a well-known mechanism having a rotation driving function, such as a motor; the winding rotation driver 37 drives the winding wheel 36 to rotate clockwise and anticlockwise, so that the pull rope 35 wound on the winding wheel 36 winds and unwinds on the transverse swinging frame 33, and the tension of the film is adjusted.
Preferably, the transverse swing frame 33 includes: a fixed frame 331, a movable frame 332, and a tension spring 333;
the middle parts of the two sides of the fixed frame 331 are rotatably connected to the rotating frame 32; the fixed frame 331 is provided with a movable slot 334 extending downwards; the movable groove 334 is provided with a limiting table 335 on the inner wall of the notch; both ends of the tension adjusting roller 34 are connected to the movable frame 332; two ends of the movable frame 332 are respectively provided with a T-shaped plate 336, and the T-shaped plate 336 is movably limited in the movable groove 334; the extension spring 333 is disposed on the T-shaped plate 336; one end of the extension spring 333 abuts against the T-shaped board 336, and the other end of the extension spring 333 abuts against the limiting platform 335.
The movable frame 332 is relatively movable in the movable slot 334 of the fixed frame 331; t-shaped plates 336 are arranged at two ends of the movable frame 332 and can be limited to move in the movable groove 334; the inner wall of the movable groove 334 is provided with a limiting table 335, which can be used for limiting the T-shaped plate 336 to prevent the T-shaped plate 336 from being separated from the movable groove 334, and can be used for providing a supporting surface for the extension spring 333; when the T-shaped plate 336 moves to the notch of the movable slot 334, the T-shaped plate 336 can compress the extension spring 333, and the extension spring 333 provides a buffer effect for the movement of the movable frame 332, so that when the film stretches the tension adjusting roller 34, the elastic extension of the extension spring 333 can perform self-adaptive movement adjustment for the movable frame 332, so as to avoid damage to the film due to too large amplitude when the transverse swinging frame 33 performs swinging adjustment.
Preferably, the rotating frame 32 is provided with positioning plates 321, and the positioning plates 321 are respectively positioned at the upper and lower positions of the rotating frame 32; the fixing frame 331 swings to abut against the positioning plate 321.
The positioning plate 321 can position the fixed frame 331 so as to abut against the positioning plate 321 when the transverse swinging frame 33 swings upwards or downwards, thereby limiting the swinging end point of the transverse swinging frame 33 and avoiding excessive swinging of the transverse swinging frame 33.
Preferably, the rotating frame 32 is provided with a vertically extending adjusting groove 322, and the positioning plate 321 is positionally adjustably limited to the adjusting groove 322.
The adjusting groove 322 extends vertically and can be used for accommodating the positioning plate 321, and the positioning plate 321 can be limited at any height position of the adjusting groove 322 according to the requirement; after the transverse swinging frame 33 swings, the transverse swinging frame can abut against the positioning plate 321 at a corresponding height position, so that the positioning at a certain height position is realized.
Preferably, the adjusting groove 322 is provided with a plurality of limiting holes 323 in a vertical direction; a movable rod 324 is arranged on one surface of the positioning plate 321;
the movable rod 324 is clamped in one of the limiting holes 323, so that the positioning plate 321 is limited in the adjusting groove 322.
The limiting holes 323 are distributed along the height direction, and the positioning plate 321 is provided with movable rods 324 which can extend into the limiting holes 323, so that the positioning plate 321 is fixed in the limiting holes 323 at a certain height position, and the positioning plate 321 is fixed in position. The movable rod 324 may be a well-known fastener, such as a screw, which may be threadedly engaged with the limiting aperture 323.
Preferably, the method further comprises: a heating roller 4;
the heating roller 4 is mounted on the adjusting base 31; the heating roller 4 is provided with a heating channel inside for introducing heating fluid.
The heating roller 4 is internally provided with a heating channel which can be used for containing heating fluid; the heating fluid is a gas or liquid above room temperature, which heats the surface of the heating roller 4 to heat the film passing through the heating roller 4, so as to heat the film before the film enters the tension adjusting roller 34, thereby improving the plasticity of the film and reducing wrinkles of the film.
Preferably, the method further comprises: a tension detecting device 5;
the tension detecting device 5 is provided with a tension detecting roller 51, and the tension detecting roller 51 is positioned between the tension adjusting roller 34 and one of the conveying rollers 2; the tension detecting roller 51 is connected to the winding rotation driver 37 in a communication manner.
When the film passes through the tension detecting roller 51, the tension detecting roller 51 can detect the tension of the film to determine whether the tension of the film at the position is in a reasonable range, if not, a command is output to the winding rotation driver 37 to control the output state of the winding rotation driver 37, and further control the rotation of the winding wheel 36 to adjust the swinging direction of the transverse swinging frame 33.
The communication connection mode refers to that communication is formed between connected devices through signal transmission and interaction, and the communication connection mode can be divided into wired connection and wireless connection; wired connections such as conventional data line connections; wireless connections such as conventional WiFi, bluetooth, infrared, NFC, etc.
The technical principle of the present solution is described above in connection with the specific embodiments. The description is only intended to explain the principles of the present solution and should not be construed in any way as limiting the scope of the present solution. Based on the explanations herein, other embodiments of the present solution will be apparent to those skilled in the art without undue burden, and such modifications will fall within the scope of the present solution.
Claims (8)
1. A film tension adjustment device, comprising: a frame, a transfer roller and a tension adjusting assembly;
a plurality of the conveying rollers are mounted on the frame; the tension adjusting component is arranged on the frame and is positioned between the front conveying roller and the rear conveying roller;
the tension adjustment assembly includes: the device comprises an adjusting base, a rotating frame, a transverse swinging frame, a tension adjusting roller, a pull rope and a winding wheel;
the adjusting base is arranged on the frame, and the rotating frame is arranged on the adjusting base; the upper end of the rotating frame is rotatably connected between the left end and the right end of the transverse swinging frame, one end of the transverse swinging frame is provided with the tension adjusting roller, and the upper end of the pull rope is connected with the other end of the transverse swinging frame; the winding wheel set up in adjust the base, the lower extreme rolling of stay cord in the winding wheel.
2. The film tension adjustment device of claim 1, wherein the tension adjustment assembly further comprises: a winding rotation driver;
the output end of the rolling rotation driver is connected to the rolling wheel and used for driving the rolling wheel to rotate.
3. A film tension adjustment device as recited in claim 1, wherein said transverse swing frame comprises: a fixed frame, a movable frame and an extension spring;
the middle parts of the two sides of the fixed frame are rotatably connected with the rotating frame; the fixed frame is provided with a movable groove extending downwards; the inner wall of the notch of the movable groove is provided with a limiting table; two ends of the tension adjusting roller are connected with the movable frame; t-shaped plates are respectively arranged at two ends of the movable frame, and the T-shaped plates are movably limited in the movable grooves; the extension spring is arranged on the T-shaped plate; one end of the extension spring abuts against the T-shaped plate, and the other end of the extension spring abuts against the limiting table.
4. A film tension adjusting apparatus as defined in claim 3, wherein the turret is provided with positioning plates, the positioning plates being located at upper and lower positions of the turret, respectively; the fixed frame swings to be abutted against the positioning plate.
5. A film tension adjustment device as recited in claim 4, wherein the turret is provided with vertically extending adjustment slots, the positioning plate being positionally adjustably positioned in the adjustment slots.
6. The film tension adjusting device according to claim 5, wherein the adjusting groove is provided with a plurality of limiting holes in a vertical direction; a movable rod is arranged on one surface of the positioning plate;
the movable rod is clamped in one of the limiting holes, so that the positioning plate is limited in the adjusting groove.
7. A film tension adjustment device as recited in claim 1, further comprising: a heating roller;
the heating roller is arranged on the adjusting base; and a heating channel is arranged in the heating roller and used for introducing heating fluid.
8. A film tension adjustment device as recited in claim 2, further comprising: a tension detecting device;
the tension detection device is provided with tension detection rollers, and the tension detection rollers are positioned between the tension adjusting rollers and one of the conveying rollers; the tension detection roller device is in communication connection with the winding rotation driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223512371.7U CN219238767U (en) | 2022-12-28 | 2022-12-28 | Film tension adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223512371.7U CN219238767U (en) | 2022-12-28 | 2022-12-28 | Film tension adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219238767U true CN219238767U (en) | 2023-06-23 |
Family
ID=86839993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223512371.7U Active CN219238767U (en) | 2022-12-28 | 2022-12-28 | Film tension adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219238767U (en) |
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2022
- 2022-12-28 CN CN202223512371.7U patent/CN219238767U/en active Active
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