CN208684038U - A kind of polytetrafluoroethylene film gravity tension device - Google Patents
A kind of polytetrafluoroethylene film gravity tension device Download PDFInfo
- Publication number
- CN208684038U CN208684038U CN201821374138.8U CN201821374138U CN208684038U CN 208684038 U CN208684038 U CN 208684038U CN 201821374138 U CN201821374138 U CN 201821374138U CN 208684038 U CN208684038 U CN 208684038U
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- China
- Prior art keywords
- chain
- baffle
- fixed
- support plate
- main shaft
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a kind of polytetrafluoroethylene film gravity tension device, including main shaft, bearing, baffle, chain, countershaft, support plate and heavy hammer mechanism, the baffle is fixed on the middle position of main shaft, there are two bearing is set, symmetrical fitting is set to the two sides of baffle, main shaft runs through two bearings, baffle is flattened cylinder, the outer diameter of baffle is less than the outer diameter of bearing, chain winds above baffle and hangs on baffle two sides, support plate is fixed in one end of chain, and the other end of chain is fixed on heavy hammer mechanism, and support plate is fixed on the middle position of countershaft.This patent adjusts the frictional resistance between main shaft and chain using gravity tension device, to adjust the revolving speed of main shaft, and then the speed and tension of winder are adjusted, when the tension of film is larger, the tension that film is subject to can be reduced by reducing counterweight, eliminate " packet muscle " phenomenon.
Description
Technical field
The utility model belongs to polytetrafluoroethylene (PTFE) production field, fills more particularly, to a kind of polytetrafluoroethylene film gravity tensioning
It sets.
Background technique
PTFE turning film is to be cold-pressed through PTFE resin, be sintered turning again and form, the attractive interaction between PTFE macromolecular compared with
Small, rigidity, hardness, intensity are all smaller, and turning film passes through multiple deflector rolls in wrapup procedure and winds under tension,
Guarantee winding after film surface it is smooth, tension it is steady critically important.But PTFE Film stiffness and hardness are all smaller, such as overtension meeting
It causes film surface after winding to have " packet muscle " phenomenon, " packet muscle " situation is eliminated as tension is too small, but winding is insecure, is easy de-
It falls.Again since the blank for turning is to be cold-pressed, be sintered, the pressure that each position of blank is subject in cold pressure procedure is not
It is identical.There is no assurance that the consistency of density, the height of blank Contact Temperature and time can not during the sintering process
It is completely the same, so the inhomogeneities of density caused by can not making up in pressing process, so in turning wrapup procedure by
The effect of same tension, film surface is also different by the reaction of power, equally will cause " packet muscle " phenomenon.
Summary of the invention
In view of this, the utility model is directed to a kind of polytetrafluoroethylene film gravity tension device, above-mentioned skill can solve
Art problem.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of polytetrafluoroethylene film gravity tension device, including main shaft, bearing, baffle, chain, countershaft, support plate and again
Hammer mechanism, the baffle are fixed on the middle position of main shaft, and there are two bearing is set, symmetrical fitting is set to the two sides of baffle, main shaft
Through two bearings, baffle is flattened cylinder, and the outer diameter of baffle is less than the outer diameter of bearing, and chain winds and hanged above baffle
Baffle two sides are hung on, support plate is fixed in one end of chain, and the other end of chain is fixed on heavy hammer mechanism, and support plate is fixed on
The middle position of countershaft.
Further, the support plate is fixed on side of the countershaft towards main shaft, and one end of support plate is fixed on countershaft, branch
The other end of fagging is located at the underface of chain.
Further, the locating slot of vertical direction is equipped in the one end of the support plate being located at immediately below chain, chain is logical
At least three bolts are crossed to be fixed in locating slot.
Further, the heavy hammer mechanism includes pendency bar, collet and counterweight, and collet is fixed on pendency bar bottom end, and counterweight is put
It is placed in above collet, the end of the fixed chain in the upper end for the bar that dangles.
Further, it is provided with the slot that front and back penetrates through in the upper end of the pendency bar, the end of chain is inserted into slot, and is led to
The fixed chain of bolt is crossed, bolt runs through on the outside of pendency bar is fixed on chain in slot.
Further, the upper end of the pendency bar is fixed with baffle, and baffle is located at the outer of slot.
Further, the upper surface and lower end surface of the support plate are inclined surface, and upper surface more tends to level compared with lower end surface.
Compared with the existing technology, polytetrafluoroethylene film gravity tension device described in the utility model has the advantage that
This patent adjusts the frictional resistance between main shaft and chain using gravity tension device, to adjust the revolving speed of main shaft, in turn
The speed and tension for adjusting winder can reduce the tension that film is subject to by reducing counterweight, disappear when the tension of film is larger
Except " packet muscle " phenomenon.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the enlarged diagram of part A in Fig. 1；
Fig. 3 be in Fig. 1 B to schematic diagram；
Fig. 4 is the side view of main shaft in Fig. 1；
Fig. 5 is that the schematic diagram after chain is installed in Fig. 4；
Fig. 6 is the structural schematic diagram of counterweight；
Description of symbols:
1- bearing；2- main shaft；3- chain；4- pendency bar；5- counterweight；6- collet；7- polytetrafluoroethylene film；8- countershaft；9-
Support plate；91- locating slot；10- baffle；11- slot；12- bolt；13- baffle.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in figures 1 to 6, a kind of polytetrafluoroethylene film gravity tension device, including main shaft 2, bearing 1, baffle 13, chain
3, countershaft 8, support plate 9 and heavy hammer mechanism, the baffle 13 are fixed on the middle position of main shaft 2, there are two bearing 1 is set, symmetrically
Fitting is set to the two sides of baffle 13, and main shaft 2 runs through two bearings 1, and baffle 13 is flattened cylinder, and the outer diameter of baffle 13 is less than axis
1 outer diameter is held, chain 3 winds above baffle 13 and hangs on 13 two sides of baffle, and support plate 9, chain are fixed in one end of chain 3
The other end of item 3 is fixed on heavy hammer mechanism, and support plate 9 is fixed on the middle position of countershaft 8.
The support plate 9 is fixed on countershaft 8 towards the side of main shaft 2, and one end of support plate 9 is fixed on countershaft 8, support
The other end of plate 9 is located at the underface of chain 3.
The locating slot 91 of vertical direction is equipped in the one end of the support plate 9 being located at immediately below chain 3, chain 3 passes through
At least three bolts 12 are fixed in locating slot 91.
The heavy hammer mechanism includes pendency bar 4, collet 6 and counterweight 5, and collet 6 is fixed on pendency 4 bottom end of bar, and counterweight 5 is placed
Above collet 6, the end of the fixed chain 3 in the upper end of pendency bar 4.
The slot 11 that front and back penetrates through is provided in the upper end of the pendency bar 4, the end of chain 3 is inserted into slot 11, and is led to
The fixed chain 3 of bolt 12 is crossed, bolt 12 runs through on the outside of pendency bar 4 is fixed on chain 3 in slot 11.
The upper end of the pendency bar 4 is fixed with baffle 10, and baffle 10 is located at the outer of slot 11.
The upper surface and lower end surface of the support plate 9 are inclined surface, and upper surface more tends to level compared with lower end surface.
In use, the output shaft of one end connection motor of main shaft 2.Motor driven main shaft 2 rotates, and drives polytetrafluoroethylene film
7 windings.The both ends of main shaft 2 and countershaft 8 are supported by roller frame.Reach 2 turns of main shaft of adjusting by increasing or decreasing counterweight 5
Speed, and then adjust the speed and tension of winder.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (7)
1. a kind of polytetrafluoroethylene film gravity tension device, it is characterised in that: including main shaft (2), bearing (1), baffle (13), chain
Item (3), countershaft (8), support plate (9) and heavy hammer mechanism, the baffle (13) are fixed on the middle position of main shaft (2), bearing (1)
If there are two, symmetrical fitting is set to the two sides of baffle (13), and main shaft (2) runs through two bearings (1), and baffle (13) is flattened cylindrical
Body, the outer diameter of baffle (13) are less than the outer diameter of bearing (1), and chain (3) winds above baffle (13) and hangs on baffle (13)
Two sides, one end of chain (3) are fixed on support plate (9), and the other end of chain (3) is fixed on heavy hammer mechanism, and support plate (9) is solid
It is scheduled on the middle position of countershaft (8).
2. polytetrafluoroethylene film gravity tension device according to claim 1, it is characterised in that: the support plate (9) is solid
It is scheduled on side of the countershaft (8) towards main shaft (2), one end of support plate (9) is fixed on countershaft (8), the other end of support plate (9)
Positioned at the underface of chain (3).
3. polytetrafluoroethylene film gravity tension device according to claim 2, it is characterised in that: the support plate (9)
The locating slot (91) of vertical direction is equipped in one end immediately below chain (3), chain (3) passes through at least three bolts (12)
It is fixed in locating slot (91).
4. polytetrafluoroethylene film gravity tension device according to claim 1-3, it is characterised in that: the weight
Mechanism includes pendency bar (4), collet (6) and counterweight (5), and collet (6) is fixed on pendency bar (4) bottom end, and counterweight (5) is placed in bottom
It holds in the palm above (6), the end of the upper end fixed chain (3) of pendency bar (4).
5. polytetrafluoroethylene film gravity tension device according to claim 4, it is characterised in that: pendency bar (4)
The slot (11) that front and back penetrates through is provided in upper end, end insertion slot (11) of chain (3) is interior, and passes through bolt (12) fixed chain
Item (3), bolt (12) are fixed in slot (11) on the outside of pendency bar (4) through by chain (3).
6. polytetrafluoroethylene film gravity tension device according to claim 4, it is characterised in that: pendency bar (4)
Upper end is fixed with baffle (10), and baffle (10) is located at the outer of slot (11).
7. polytetrafluoroethylene film gravity tension device according to claim 1, it is characterised in that: the support plate (9)
Upper surface and lower end surface are inclined surface, and upper surface more tends to level compared with lower end surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821374138.8U CN208684038U (en) | 2018-08-24 | 2018-08-24 | A kind of polytetrafluoroethylene film gravity tension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821374138.8U CN208684038U (en) | 2018-08-24 | 2018-08-24 | A kind of polytetrafluoroethylene film gravity tension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208684038U true CN208684038U (en) | 2019-04-02 |
Family
ID=65886816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821374138.8U Expired - Fee Related CN208684038U (en) | 2018-08-24 | 2018-08-24 | A kind of polytetrafluoroethylene film gravity tension device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208684038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114803651A (en) * | 2022-06-22 | 2022-07-29 | 南通向日亚精密机电科技有限公司 | Capacitor film roll conveying tensioning adjusting device |
-
2018
- 2018-08-24 CN CN201821374138.8U patent/CN208684038U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114803651A (en) * | 2022-06-22 | 2022-07-29 | 南通向日亚精密机电科技有限公司 | Capacitor film roll conveying tensioning adjusting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190402 Termination date: 20200824 |