CN221067174U - Horizontal stretching machine capable of realizing multiple stretching multiples for producing breathable film - Google Patents
Horizontal stretching machine capable of realizing multiple stretching multiples for producing breathable film Download PDFInfo
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- CN221067174U CN221067174U CN202322746870.0U CN202322746870U CN221067174U CN 221067174 U CN221067174 U CN 221067174U CN 202322746870 U CN202322746870 U CN 202322746870U CN 221067174 U CN221067174 U CN 221067174U
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- roller
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- extrusion roller
- breathable film
- frame
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- 238000001125 extrusion Methods 0.000 claims abstract description 80
- 239000002184 metal Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 7
- 238000005266 casting Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
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Abstract
The utility model provides a horizontal stretching machine capable of realizing multiple stretching factors for producing a breathable film, which comprises a frame, wherein a lower extrusion roller, an upper extrusion roller and an auxiliary roller are sequentially arranged on the frame from bottom to top, the lower extrusion roller, the upper extrusion roller and the auxiliary roller move up and down on the frame, a gap for extruding the breathable film is arranged between the upper extrusion roller and the lower extrusion roller, and the surface of the auxiliary roller is in contact with the surface of the upper extrusion roller. Through the structure, the breathable film passes through the gap between the lower extrusion roller and the upper extrusion roller, and the lower extrusion roller and the upper extrusion roller can mutually extrude the breathable film through the driving of the spiral lifter and the upper extrusion cylinder, so that the thickness adjustment of the breathable film is realized, the auxiliary roller can be extruded towards the upper extrusion roller under the cooperation of the auxiliary roller and the auxiliary cylinder, and after the pressure of the auxiliary roller is conducted to the upper extrusion roller, the extrusion of the upper extrusion roller towards the lower extrusion roller can be more uniform and stable, the stress uniformity of the breathable film is ensured, and the uniformity of the thickness of the breathable film is improved.
Description
Technical Field
The utility model relates to the technical field of horizontal stretching machines, in particular to a horizontal stretching machine capable of realizing multiple stretching times for producing breathable films.
Background
Breathable films are films produced by casting a melt through a casting machine to salivate and quench. Because the thickness of the breathable film has very important influence on the performance of the film in the production process, a stretcher is usually arranged before rolling in order to make the breathable thickness more uniform before rolling the breathable film, so that the thickness of the produced breathable film meets the production requirement. At present, a stretching machine is generally composed of a lower extrusion roller and an upper extrusion roller, and when a breathable film passes between the lower extrusion roller and the upper extrusion roller, the breathable film is mutually extruded by the lower extrusion roller and the upper extrusion roller, and then is subjected to biaxial stretching after being compressed, so that the thickness of the breathable film is adjusted;
However, because the traditional lower squeeze roll is the metal roll, and the upper squeeze roll is the rubber roll, and metal roll and rubber roll atress point are at both ends in the drive process, in order to guarantee that the middle part of rubber roll and both ends position homoenergetic film can be extruded, the rubber roll can set up to the diameter of middle part and be greater than the diameter at both ends position, consequently in the in-process to the ventilated film, if the pressure is lower, lead to the ventilated film atress inhomogeneous easily, and cause the problem that the ventilated film thickness is different.
Disclosure of utility model
The technical scheme of the utility model is realized as follows:
The utility model provides a horizontal stretcher with multiple stretching factors for producing a breathable film, which comprises a frame, wherein a lower extrusion roller, an upper extrusion roller and an auxiliary roller are sequentially arranged on the frame from bottom to top, the lower extrusion roller, the upper extrusion roller and the auxiliary roller move up and down on the frame, a gap for extruding the breathable film is arranged between the upper extrusion roller and the lower extrusion roller, and the surface of the auxiliary roller is in contact with the surface of the upper extrusion roller;
The two ends of the lower extrusion roller are driven to move up and down through the spiral lifter respectively, the two ends of the upper extrusion roller are driven to move up and down through the upper extrusion cylinder respectively, and the two ends of the auxiliary roller are driven to move up and down through the auxiliary cylinder respectively.
In one embodiment, the lower squeeze roll and the auxiliary roll are both metal rolls, and the upper squeeze roll is a rubber roll.
In one embodiment, the two spiral lifters are driven by a motor, and a synchronous shaft is connected between the two spiral lifters in a transmission way.
In one embodiment, two ends of the lower squeeze roller are respectively provided with a lower moving frame, and the output end of the spiral lifter is connected with the lower moving frame.
In one embodiment, two ends of the upper squeeze roller are respectively provided with an upper moving frame, and the output end of the upper squeeze cylinder is connected with the upper moving frame.
In one embodiment, two ends of the auxiliary roller are respectively provided with an auxiliary moving frame, and the output end of the auxiliary cylinder is connected with the auxiliary moving frame.
In one embodiment, a sliding assembly is arranged on the frame and comprises a sliding rail and a sliding block, the sliding rail is arranged on the frame, the sliding block is arranged on the lower moving frame, and the sliding block is in sliding connection with the sliding rail.
The advantages or beneficial effects in the technical scheme at least comprise: in the process of extruding the breathable film, since the lower extrusion roller, the upper extrusion roller and the auxiliary roller are sequentially arranged on the machine frame from bottom to top, the lower extrusion roller, the upper extrusion roller and the auxiliary roller move up and down respectively, a gap for extruding the breathable film is formed between the upper extrusion roller and the lower extrusion roller, the surface of the auxiliary roller is abutted against the surface of the upper extrusion roller, and therefore the breathable film is mutually extruded with the upper extrusion roller through the drive of the screw lifter and the upper extrusion cylinder after passing through the gap between the lower extrusion roller and the upper extrusion roller, so that the thickness of the breathable film is adjusted, the auxiliary roller can be extruded towards the upper extrusion roller under the cooperation of the auxiliary roller and the auxiliary cylinder, the upper extrusion roller can be extruded towards the lower extrusion roller more uniformly and stably, and the uneven pressure of the upper extrusion roller to the lower extrusion roller is avoided, the stress of the breathable film is ensured to be uniform, and the uniformity of the thickness of the breathable film is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model.
Fig. 1 shows a schematic structure of a horizontal drawing machine according to an exemplary embodiment of the present utility model;
FIG. 2 illustrates a schematic side view of a horizontal stretcher according to an exemplary embodiment of the present utility model;
FIG. 3 illustrates a schematic side view of a lower squeeze roll according to an exemplary embodiment of the present utility model;
FIG. 4 illustrates a schematic side view of the upper squeeze roll and the auxiliary roll according to an exemplary embodiment of the present utility model;
FIG. 5 illustrates a schematic side view of a structure of an upper squeeze roll according to an exemplary embodiment of the present utility model;
FIG. 6 illustrates a schematic side view of an auxiliary roller according to an exemplary embodiment of the present utility model;
Fig. 7 shows a schematic structural view of an auxiliary roller according to an exemplary embodiment of the present utility model.
Reference numerals illustrate:
1. a frame;
2. a lower squeeze roll;
21. a lower moving frame;
3. An upper squeeze roll;
31. an upper moving frame;
4. An auxiliary roller;
41. An auxiliary moving frame;
5. A screw elevator;
6. A motor;
61. a synchronizing shaft;
7. an upper extrusion cylinder;
8. an auxiliary cylinder;
9. A sliding assembly;
91. A slide rail; 92. a sliding block.
Detailed Description
Embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While the utility model is susceptible of embodiment in the drawings, it is to be understood that the utility model may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided to provide a more thorough and complete understanding of the utility model. It should be understood that the drawings and embodiments of the utility model are for illustration purposes only and are not intended to limit the scope of the present utility model.
In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision. The present utility model will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The term "including" and variations thereof as used herein are intended to be open-ended, i.e., including, but not limited to. The term "based on" is based at least in part on. The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments. Related definitions of other terms will be given in the description below. It should be noted that the terms "first," "second," and the like herein are merely used for distinguishing between different devices, modules, or units and not for limiting the order or interdependence of the functions performed by such devices, modules, or units.
It should be noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those skilled in the art will appreciate that "one or more" is intended to be construed as "one or more" unless the context clearly indicates otherwise.
Referring to fig. 1 and 2, the embodiment of the utility model provides a horizontal stretching machine capable of multiple stretching factors for producing breathable films, which comprises a frame 1, wherein the frame 1 is sequentially provided with a lower squeeze roll 2, an upper squeeze roll 3 and an auxiliary roll 4 from bottom to top, the lower squeeze roll 2, the upper squeeze roll 3 and the auxiliary roll 4 are respectively moved up and down by the frame 1, a gap for squeezing the breathable films is arranged between the upper squeeze roll 3 and the lower squeeze roll 2, and the surface of the auxiliary roll 4 is in contact with the surface of the upper squeeze roll 3;
The two ends of the lower squeeze roller 2 are respectively driven to move up and down by a spiral lifter 5, the two ends of the upper squeeze roller 3 are respectively driven to move up and down by an upper squeeze cylinder 7, and the two ends of the auxiliary roller 4 are respectively driven to move up and down by an auxiliary cylinder 8.
The lower squeeze roller 2 and the auxiliary roller 4 are metal rollers, the upper squeeze roller 3 is a rubber roller, and the diameter of the middle part of the upper squeeze roller 3 is larger than that of the two end parts.
By adopting the structure, in the process of extruding the breathable film, as the frame 1 is provided with the lower extrusion roller 2, the upper extrusion roller 3 and the auxiliary roller 4 from the lower part in sequence, the lower extrusion roller 2, the upper extrusion roller 3 and the auxiliary roller 4 move up and down respectively, a gap for extruding the breathable film is arranged between the upper extrusion roller 3 and the lower extrusion roller 2, the surface of the auxiliary roller 4 is abutted against the surface of the upper extrusion roller 3, therefore, the breathable film passes through the gap between the lower extrusion roller 2 and the upper extrusion roller 3, and then the breathable film is mutually extruded by the lower extrusion roller 2 and the upper extrusion roller 3 through the driving of the spiral lifter 5 and the upper extrusion cylinder 7, so that the thickness of the breathable film is adjusted, and the auxiliary roller 4 can be extruded towards the upper extrusion roller 3 under the cooperation of the auxiliary roller 4, and the pressure of the auxiliary roller 4 can be conducted to the upper extrusion roller 3, so that the extrusion of the upper extrusion roller 3 towards the lower extrusion roller 2 is more uniform and stable, the pressure of the upper extrusion roller 3 is prevented from being uneven, the thickness of the breathable film is ensured, and the uniformity of the breathable film is improved.
In one embodiment, see fig. 1, 2 and 3. The two spiral lifters 5 are driven by a motor 6, and a synchronizing shaft 61 is connected between the two spiral lifters 5 in a transmission way. In practical application, under the setting of the synchronizing shaft 61, in the driving process of the motor 6, the synchronizing shaft 61 can synchronously drive the spiral lifters 5 at two ends of the lower squeeze roller 2, so that in the upward moving process of the lower squeeze roller 2, the errors of the upward moving distances at two ends of the lower squeeze roller 2 are reduced.
In one embodiment, see fig. 1, 3-7. The lower squeeze roller 2 is provided with a lower moving frame 21 at both ends thereof, respectively, and the output end of the screw lifter 5 is connected with the lower moving frame 21. In practical application, after the screw lifter 5 is driven, the lower moving frame 21 can be driven to move on the frame 1, so that the two lower moving frames 21 can drive the lower squeeze roller 2 to move up and down on the frame 1.
The both ends of the upper squeeze roller 3 are respectively provided with an upper moving frame 31, and the output end of the upper squeeze cylinder 7 is connected with the upper moving frame 31. In practical application, after the upper extrusion cylinder 7 is driven, the upper moving frame 31 can be driven to move on the frame 1, so that the two upper moving frames 31 can drive the upper extrusion roller 3 to move up and down on the frame 1.
The auxiliary roller 4 is provided with auxiliary moving frames 41 at both ends thereof, respectively, and the output end of the auxiliary cylinder 8 is connected with the auxiliary moving frames 41. In practical application, after the auxiliary cylinder 8 is driven, the auxiliary moving frame 41 can be driven to move on the frame 1, so that the two auxiliary moving frames 41 can drive the auxiliary roller 4 to move up and down on the frame 1.
In one embodiment, see fig. 1, 2 and 3. The machine frame 1 is provided with a sliding component 9, the sliding component 9 comprises a sliding rail 91 and a sliding block 92, the sliding rail 91 is arranged on the machine frame 1, the sliding block 92 is arranged on the lower moving frame 21, and the sliding block 92 is in sliding connection with the sliding rail 91. A sliding block 92 may be disposed on the upper moving frame 31 and the auxiliary moving frame 41, so that the upper moving frame 31 and the auxiliary moving frame 41 are slidably connected with the sliding rail 91 through the sliding block 92; in practical application, the sliding assembly 9 can enable the lower moving frame 21, the upper moving frame 31 and the auxiliary moving frame 41 to stably vertically move up and down on the frame 1, so that the lower squeeze roller 2, the upper squeeze roller 3 and the auxiliary roller 4 are prevented from being deviated in the process of moving up and down.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements 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.
It will be appreciated by persons skilled in the art that the above embodiments are provided for clarity of illustration only and are not intended to limit the scope of the utility model. Other variations or modifications of the above-described utility model will be apparent to those of skill in the art, and are still within the scope of the utility model.
Claims (6)
1. The horizontal stretching machine capable of realizing multiple stretching multiples for producing the breathable film is characterized by comprising a frame, wherein a lower extrusion roller, an upper extrusion roller and an auxiliary roller are sequentially arranged on the frame from bottom to top, the lower extrusion roller, the upper extrusion roller and the auxiliary roller move up and down on the frame, a gap for extruding the breathable film is arranged between the upper extrusion roller and the lower extrusion roller, and the surface of the auxiliary roller is in contact with the surface of the upper extrusion roller;
The two ends of the lower extrusion roller are driven to move up and down through the spiral lifter respectively, the two ends of the upper extrusion roller are driven to move up and down through the upper extrusion cylinder respectively, and the two ends of the auxiliary roller are driven to move up and down through the auxiliary cylinder respectively.
2. The horizontal stretching machine capable of producing breathable film according to claim 1, characterized in that the lower squeeze roll and the auxiliary roll are both metal rolls, and the upper squeeze roll is a rubber roll.
3. The horizontal stretching machine capable of producing the breathable film according to claim 1, wherein two spiral lifters are driven by a motor, and a synchronous shaft is connected between the two spiral lifters in a transmission manner.
4. The horizontal stretching machine capable of producing breathable film according to claim 1, wherein two ends of the lower squeeze roll are respectively provided with a lower moving frame, and an output end of the spiral lifter is connected with the lower moving frame.
5. The horizontal stretching machine capable of producing breathable film according to claim 1, wherein two ends of the upper squeeze roll are respectively provided with an upper moving frame, and an output end of the upper squeeze cylinder is connected with the upper moving frame.
6. The horizontal stretching machine capable of producing the breathable film according to claim 1, wherein auxiliary moving frames are respectively arranged at two ends of the auxiliary roller, and the output end of the auxiliary cylinder is connected with the auxiliary moving frames.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322746870.0U CN221067174U (en) | 2023-10-13 | 2023-10-13 | Horizontal stretching machine capable of realizing multiple stretching multiples for producing breathable film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322746870.0U CN221067174U (en) | 2023-10-13 | 2023-10-13 | Horizontal stretching machine capable of realizing multiple stretching multiples for producing breathable film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221067174U true CN221067174U (en) | 2024-06-04 |
Family
ID=91252051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322746870.0U Active CN221067174U (en) | 2023-10-13 | 2023-10-13 | Horizontal stretching machine capable of realizing multiple stretching multiples for producing breathable film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221067174U (en) |
-
2023
- 2023-10-13 CN CN202322746870.0U patent/CN221067174U/en active Active
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