CN210735732U - Polytetrafluoroethylene film stretching equipment - Google Patents
Polytetrafluoroethylene film stretching equipment Download PDFInfo
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- CN210735732U CN210735732U CN201921568897.2U CN201921568897U CN210735732U CN 210735732 U CN210735732 U CN 210735732U CN 201921568897 U CN201921568897 U CN 201921568897U CN 210735732 U CN210735732 U CN 210735732U
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- film
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- roller
- clamp body
- polytetrafluoroethylene film
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Abstract
The utility model relates to a tensile equipment of polytetrafluoroethylene film, including frame and coiling mechanism, be provided with high-temperature cabinet and film amplification device in the frame, film amplification device includes the fan of blowing from the film below and is used for the locating clip of centre gripping in the film left and right sides, and the fan setting is provided with the driving chain in the frame between the export of high-temperature cabinet and coiling mechanism, and the one end of driving chain is located the high-temperature cabinet, and the other end is located coiling mechanism department, and the locating clip is installed and is removed along film rolling direction on the driving chain that corresponds the side. The utility model heats and softens the film through the high temperature box, and then blows the softened film by the fan to swell the film, thus greatly increasing the width of the film and not damaging the surface of the film; the locating clip of film both sides can be fixed the both sides limit of film, guarantees that the film can be bloated steadily when receiving wind power effect, prevents that both sides limit removes in opposite directions and influences the bloated of film.
Description
Technical Field
The utility model relates to a polytetrafluoroethylene film production facility technical field, in particular to polytetrafluoroethylene film stretching equipment.
Background
In the existing film production process, the width of the film is limited by a calender, and the calender determines the width of the film and is limited when needing to produce a wider film, so that a film expanding device is needed to realize the expanding of the film.
The utility model discloses a chinese utility model patent of application number 201620626589.0 discloses a film production is with conveyer that is equipped with expander device, including the device platform, device platform one end is connected with the knurling device, the device platform other end is connected with cooling device, device platform lower part is provided with conveyer motor, conveyer motor and driving pulley cooperation, device platform upper portion is provided with the drive roll, shaft ends is provided with driven pulley, be provided with a set of driven voller hydro-cylinder and a set of expander roller hydro-cylinder on the device platform, driven voller hydro-cylinder upper end is connected with the portal frame, the portal frame lower part is provided with the driven voller, expander roller hydro-cylinder upper end is provided with the expander roller. The disadvantages are that: the spreading degree of the film by the spreading roller is limited, and the spiral ribs on the surface of the spreading roller easily damage the surface of the film.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a polytetrafluoroethylene film stretching equipment that expands good, the not damage film of good effect.
The above object of the present invention can be achieved by the following technical solutions: a polytetrafluoroethylene film stretching device comprises a rack and a winding device, wherein a high-temperature box for heating and softening a film and a film amplitude device for increasing the width of the film are arranged on the rack, and an inlet and an outlet are respectively arranged at the front end and the rear end of the high-temperature box; the film amplification device comprises a fan and positioning clamps, wherein the fan blows air from the lower part of the film upwards, the positioning clamps are used for clamping the left side and the right side of the film, the fan is arranged between an outlet of the high-temperature box and the winding device, a transmission chain is arranged on the rack, one end of the transmission chain is located in the high-temperature box, the other end of the transmission chain is located at the winding device, and the positioning clamps are installed on the transmission chain of the corresponding side and move along the winding direction of the film.
Preferably, a shaping assembly for enabling the film to arch upwards is arranged in the high-temperature box, and the shaping assembly is arranged at the front end of the transmission chain.
As preferred, the design subassembly includes first design roller and second design roller, first design roller sets up the top at the second design roller, the diameter of first design roller is reduced to centre by both ends gradually, the diameter of second design roller is increased to centre by both ends gradually.
After the softened film enters the first sizing roller and the second sizing roller, the originally planar film is formed to be arched upwards, wind blows towards the film from the lower part, and the film is easier to bulge.
Preferably, the positioning clamp comprises a clamp body and a tool clamp body which are arranged on the transmission chain, the tool clamp body is hinged to the clamp body through a hinge shaft, a clamping platform is arranged on the clamp body, and the lower end of the tool clamp body abuts against the clamping platform.
Preferably, a connecting line from one end of the knife holder body abutting against the clamping platform to the center of the hinge shaft forms an included angle a smaller than 90 degrees with the surface of the clamping platform.
Preferably, the tool holder body is provided with a chuck, the chuck and the tool holder body are respectively arranged at two sides of the hinge shaft and synchronously rotate with the hinge shaft, and the front end and the rear end of the transmission chain are provided with control parts for changing the clamping state of the positioning clamp into the opening state.
Preferably, the control part is a fixed block fixed on the rack, the fixed block is positioned on the outer side of the chuck, and an arc-shaped end face protruding towards the chuck direction is arranged on the fixed block.
Preferably, an expansion roller is arranged between the end part of the transmission chain and the winding device, and the diameter of the expansion roller is gradually increased from two ends to the middle.
The utility model discloses following beneficial effect has:
1. the utility model heats and softens the film through the high temperature box, and then blows the softened film by the fan to swell the film, thus greatly increasing the width of the film and not damaging the surface of the film;
2. the locating clip of film both sides can be fixed the both sides limit of film, guarantees that the film can be bloated steadily when receiving wind power effect, prevents that both sides limit removes in opposite directions and influences the bloated of film.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of a fixing assembly in an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 1;
in the figure: 1-a frame, 2-a high-temperature box, 3-a front transmission chain wheel, 4-a rear transmission chain wheel, 5-a transmission chain, 6-a positioning clamp, 601-a clamp body, 602-a knife clamp body, 603-a clamping head, 604-a clamping platform, 7-a fixing block, 8-a fan, 9-a first sizing roller, 10-a second sizing roller, 11-an expanding roller, 12-a winding device and 13-a film.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the claims of the present invention.
Example (b): as shown in fig. 1 to 4, a teflon film stretching apparatus comprises a frame 1 and a winding device 12, wherein the frame 1 is provided with a high temperature box 2 for heating and softening a film 13 and a film amplification device for increasing the width of the film. The high-temperature box 2 is fixed at the front end of the frame 1, and the winding device 12 is positioned at the rear end of the frame 1. The winding device 12 comprises a winding roller and a motor, wherein the winding roller is rotatably arranged on the machine frame 1 and is driven by the motor to rotate.
The front end and the rear end of the high-temperature box 2 are respectively provided with an inlet and an outlet, the film 13 enters the high-temperature box 2 from the inlet, is heated and softened by an electric heating element in the high-temperature box 2, and then is output from the outlet.
The film amplification device comprises a fan 8 and a positioning clamp 6, wherein the fan 8 is positioned between the outlet of the high-temperature box 2 and the winding device 12 and is positioned below the film 13, and the air blowing direction of the fan 8 is air blowing from the lower side of the film.
As shown in fig. 1, a frame 1 is provided with sprockets, wherein a front driving sprocket 3 is located in a high temperature chamber 2, a rear driving sprocket 4 is located at a winding device 12, and a driving chain 5 is wound around the front and rear driving sprockets and moves along the moving direction of a film 13. The number of the transmission chains 5 is two, the transmission chains are respectively arranged on two sides of the width direction of the thin film 13, and the positioning clips 6 are fixedly arranged on chain links of the transmission chains 5 and used for clamping two sides of the width direction of the thin film 13. The positioning clips 6 are linearly distributed along the length of the drive chain 5.
As shown in fig. 3 and 4, the positioning clamp 6 includes a clamp body 601 mounted on the driving chain 5 and a holder body 602, and the holder body 602 is hinged to the clamp body 601 by a hinge shaft. The holder body 601 is provided with a holding platform 604, and the lower end of the holder body 602 abuts against the holding platform 604. An included angle a smaller than 90 degrees is formed between a connecting line between one end of the knife clamp body 602, which is abutted against the clamping platform 604, and the center of the hinge shaft and the surface of the clamping platform, when the film 13 moves towards the separation positioning clamp 6 under the action of wind force, the lower end of the knife clamp body 602 swings outwards along with the movement of the film 13, the included angle a is increased, and the distance from the lower end of the knife clamp body 602 to the clamping platform 604 is reduced, so that the film 13 is only clamped between the lower end of the knife clamp body 602 and the clamping platform 604.
The tool holder body 602 is provided with a clamping head 603, the clamping head 603 and the tool holder body 602 are of an integrated structure, and the clamping head 603 and the tool holder body 602 are respectively arranged at two sides of the hinge shaft and synchronously rotate.
The front end and the rear end of the transmission chain 5 are provided with control members which can change the positioning clamp 6 from a clamping state to an opening state. One of the control members is located at the front drive sprocket 3 and the other control member is located at the rear drive sprocket 4. The control piece is a fixed block 7 fixed on the frame 1, the fixed block 7 is positioned at the outer side of the chuck 603, and an arc-shaped end face is arranged on the fixed block 7. In the film width direction, the arc end surface protrudes from the outer side to the inner side, that is, the transmission chain 5 protrudes toward the chuck 603.
At the front transmission chain wheel 3, when the positioning clamp 6 passes through the fixed block 7, the chuck 603 contacts the arc-shaped end surface of the chuck 603 and moves along the arc-shaped end surface, when the positioning clamp passes through the front half section of the arc-shaped end surface, the chuck 603 gradually swings outwards, and the knife clamp body 602 gradually swings towards the interior of the clamp body 601 at the moment, so that the distance between the knife clamp body 602 and the clamping platform 604 is increased, and a film can conveniently enter the knife clamp body 602 and the clamping platform 604; in the rear half section passing through the arc-shaped end face, the holder body 602 gradually swings toward the outside of the holder body 601 under the action of its own weight, and the distance between the holder body 602 and the holding platform 604 gradually decreases, so that the holder body 602 and the holding platform 604 hold the side edge of the film 13.
At the rear transmission chain wheel 4, when the positioning clamp 6 passes through the fixed block 7, the chuck 603 contacts the arc-shaped end surface of the chuck 603, when the positioning clamp passes through the front half section of the arc-shaped end surface, the chuck 603 gradually swings outwards, at the same time, the knife clamp body 602 gradually swings towards the interior of the clamp body 601, so that the distance between the knife clamp body 602 and the clamping platform 604 is increased, at the same time, the knife clamp body 602 and the clamping platform 604 loosen the film 13, and the film 13 enters the winding device 12 again; in the latter half past the arcuate end surface, the toolholder body 602 is reset under its own weight.
As shown in fig. 1 and 2, a setting module for arching the film upward is provided in the high temperature chamber 2, and the setting module is provided at the front end of the driving chain 5. The design subassembly includes first design roller 9 and second design roller 10, and first design roller 9 sets up in the top of second design roller 10, and the diameter of first design roller 9 is reduced to centre by both ends gradually, and the diameter of second design roller 10 is increased to centre by both ends gradually.
In order to prevent the bulging film 13 from wrinkling during winding, an expanding roller 11 is arranged between the end part of the transmission chain 5 (namely the position of the rear transmission chain wheel 4) and the winding device 12, the expanding roller 11 is a olive roller, the diameter of the olive roller is gradually increased from two ends to the middle, and the expanding roller 11 can enable the film 13 to stretch towards two axial sides when rotating.
Claims (8)
1. The utility model provides a polytetrafluoroethylene film stretching equipment, includes frame (1) and coiling mechanism (12), its characterized in that: the frame (1) is provided with a high-temperature box (2) for heating and softening the film and a film amplitude device for increasing the width of the film, and the front end and the rear end of the high-temperature box (2) are respectively provided with an inlet and an outlet; the film amplification device comprises a fan (8) blowing from the lower direction of a film and positioning clamps (6) used for clamping the left side and the right side of the film, wherein the fan (8) is arranged between an outlet of a high-temperature box (2) and a winding device (12), a transmission chain (5) is arranged on a rack (1), one end of the transmission chain (5) is positioned in the high-temperature box (2), the other end of the transmission chain is positioned at the winding device (12), and the positioning clamps (6) are installed on the transmission chain (5) on the corresponding side and move along the winding direction of the film.
2. The polytetrafluoroethylene film stretching apparatus as set forth in claim 1, wherein: the high-temperature box (2) is internally provided with a shaping component which enables the film to arch upwards, and the shaping component is arranged at the front end of the transmission chain (5).
3. A polytetrafluoroethylene film stretching apparatus according to claim 2, wherein: the design subassembly includes first design roller (9) and second design roller (10), first design roller (9) set up the top at second design roller (10), the diameter of first design roller (9) is reduced to centre by both ends gradually, the diameter of second design roller (10) is increased to centre by both ends gradually.
4. The polytetrafluoroethylene film stretching apparatus as set forth in claim 1, wherein: the positioning clamp (6) comprises a clamp body (601) and a tool holder body (602) which are arranged on a transmission chain (5), the tool holder body (602) is hinged to the clamp body (601) through a hinge shaft, a clamping platform (604) is arranged on the clamp body (601), and the lower end of the tool holder body (602) abuts against the clamping platform (604).
5. The polytetrafluoroethylene film stretching apparatus as set forth in claim 4, wherein: an included angle a smaller than 90 degrees is formed between a connecting line from one end of the knife clamp body (602) abutting against the clamping platform (604) to the center of the hinge shaft and the surface of the clamping platform (604).
6. The polytetrafluoroethylene film stretching apparatus as set forth in claim 5, wherein: the cutter clamp is characterized in that a clamping head (603) is arranged on the cutter clamp body (602), the clamping head (603) and the cutter clamp body (602) are respectively arranged on two sides of the hinge shaft and synchronously rotate with each other, and control parts for enabling the positioning clamp (6) to be changed from a clamping state to an opening state are arranged at the front end and the rear end of the transmission chain (5).
7. The polytetrafluoroethylene film stretching apparatus as set forth in claim 6, wherein: the control piece is a fixed block (7) fixed on the rack (1), the fixed block (7) is located on the outer side of the chuck (603), and an arc-shaped end face protruding towards the chuck (603) is arranged on the fixed block (7).
8. The polytetrafluoroethylene film stretching apparatus as set forth in claim 1, wherein: an expansion roller (11) is arranged between the end part of the transmission chain (5) and the winding device (12), and the diameter of the expansion roller (11) is gradually increased from two ends to the middle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921568897.2U CN210735732U (en) | 2019-09-20 | 2019-09-20 | Polytetrafluoroethylene film stretching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921568897.2U CN210735732U (en) | 2019-09-20 | 2019-09-20 | Polytetrafluoroethylene film stretching equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210735732U true CN210735732U (en) | 2020-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921568897.2U Active CN210735732U (en) | 2019-09-20 | 2019-09-20 | Polytetrafluoroethylene film stretching equipment |
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| Country | Link |
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| CN (1) | CN210735732U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112936832A (en) * | 2021-01-27 | 2021-06-11 | 山东森荣新材料股份有限公司 | PTFE electronic film production expander |
| CN114524313A (en) * | 2022-02-18 | 2022-05-24 | 江苏永润包装材料有限公司 | Sustainable stretching device that extends of PVC membrane |
-
2019
- 2019-09-20 CN CN201921568897.2U patent/CN210735732U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112936832A (en) * | 2021-01-27 | 2021-06-11 | 山东森荣新材料股份有限公司 | PTFE electronic film production expander |
| CN114524313A (en) * | 2022-02-18 | 2022-05-24 | 江苏永润包装材料有限公司 | Sustainable stretching device that extends of PVC membrane |
| CN114524313B (en) * | 2022-02-18 | 2023-08-04 | 江苏永润包装材料有限公司 | Sustainable stretching device that stretches of PVC membrane |
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