CN203680797U - Two-way polytetrafluoroethylene non-sintered belt stretching device - Google Patents
Two-way polytetrafluoroethylene non-sintered belt stretching device Download PDFInfo
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- CN203680797U CN203680797U CN201320635864.1U CN201320635864U CN203680797U CN 203680797 U CN203680797 U CN 203680797U CN 201320635864 U CN201320635864 U CN 201320635864U CN 203680797 U CN203680797 U CN 203680797U
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- stretching
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- guide post
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Abstract
The utility model relates to a two-way polytetrafluoroethylene non-sintered belt stretching device which is relatively simple in structure and low in cost. The two-way polytetrafluoroethylene non-sintered belt stretching device comprises a control cabinet, a power box and a stretching box, wherein a precise numerical-control motor is arranged in the power box; a rotary stretching tank, heating pipes and a heat preservation cover plate are arranged in the stretching box; the rotary stretching tank is connected with the precise numerical-control motor through a rotary positioning plate and a transmission shaft; the rotary positioning plate is in fastened connection with the upper end of the transmission shaft through a thread; the heat preservation cover plate and the upper end face of the stretching box are fastened through bolts.
Description
(1) technical field
The utility model relates to the not two-way stretch device of sintering belt of a kind of polytetrafluoroethylene (PTFE).
(2) background technology
Polytetrafluoroethylene (PTFE) (PTFE) is a kind of special engineering plastics with Good All-around Property, has the good reputation of " King ".It has broad serviceability temperature (long-term serviceability temperature-180～+ 250 ℃), the chemical stability of height, remarkable electrical insulating property, desirable antistick characteristic, outstanding self lubricity, long-term resistance to weathering, good noninflammability and moderate mechanical strength, the performance of the various excellences such as extremely low dielectric loss.At present, polytetrafluoroethylmaterial material has been widely used in the numerous areas such as Aero-Space, national defence troops are standby, petrochemical industry, electronic apparatus, communications and transportation, machinery, the energy, building, weaving, food, medicine.
Along with the development of China's economy, problem of environmental pollution becomes increasingly conspicuous.In recent years, the pollution of the aspects such as China's atmosphere, water body is constantly deepened, and this has proposed higher demand to filtering material performance.Polytetrafluoroethylene (PTFE), after biaxial tension, can form the microfibrillar structure of net form, is applicable to the purification of gas and liquid.
Current polytetrafluoroethyltwo two-way stretch device structure is complicated and expensive.
(3) utility model content
The purpose of this utility model is to provide the relatively simple and not two-way stretch device of sintering belt of lower-cost polytetrafluoroethylene (PTFE) of a kind of structure.
The polytetrafluoroethylene (PTFE) described in the utility model not two-way stretch device of sintering belt comprises switch board, headstock and stretching case; In headstock, be provided with accurate digital control motor; In stretching case, be provided with circumgyration stretch tank, heating tube, heat-preserving cover plate, circumgyration stretch tank is connected with accurate digital control motor with power transmission shaft by rotation location-plate, and rotation location-plate is connected by screw threads for fastening with power transmission shaft upper end; Heat-preserving cover plate and stretching upper box part end face pass through bolted.
In circumgyration stretch tank, be provided with stretching chamber, thermometric chamber, backstay, upper location-plate; There is external screw thread at backstay two ends; Circumgyration stretch tank bottom surface is provided with the internal thread locating hole matching with backstay, circumgyration stretch tank upper end is provided with internal thread fixing hole, stretching chamber and thermometric chamber are surveyed wall corner location and are provided with the positioning through hole that vertical direction matches with backstay diameter, and upper location-plate is provided with the positioning through hole matching with backstay and circumgyration stretch tank upper end internal thread fixing hole; Backstay upper end and upper location-plate pass through fastening nuts, backstay lower end is fastening by internal thread locating hole and circumgyration stretch tank bottom surface, stretching chamber and thermometric chamber are fastening by backstay and upper location-plate and circumgyration stretch tank bottom surface, and upper location-plate is fastening by bolt and circumgyration stretch tank upper end; On circumgyration stretch pot sidewall, being drilled with a considerable amount of through holes conducts heat for gas communication.
Indoor gathering sill, gag lever post, guide pad, fixed block, the guide post of being provided with stretches.Fine grinding, chromium plating and polishing are all passed through in stretching chamber internal surface and gathering sill side and bottom surface, make its surfacing smooth.The ledge width of guide pad is less than gathering sill width and is greater than guide post diameter, guide pad ledge is provided with a pilot hole, guide post therefrom passes, pilot hole diameter matches with guide post external diameter, guarantee guide pad can along guide post move towards smooth and easy movement and in the vertical direction of guide post trend without movement.Guide pad and fixed block are by through hole bolted, and the contact-making surface on guide pad and fixed block and bottom surface, stretching chamber and guide post surface, through fine grinding, chromium plating, polishing, makes this contact-making surface smooth; Contact-making surface between guide pad and fixed block is through roughening treatment, for fixing biaxial tension base band.Guide pad and fixed block height are lower than the internal depth of stretching chamber.Guide post is cylinder, and stretching chamber sidewall is vertically fixed at two ends, and its position is arranged in gathering sill, and guide post surface, through fine grinding, chromium plating and polishing, makes its surfacing smooth.Gathering sill is groove, connects bottom surface, stretching chamber.Gag lever post is the threaded cylinder of outer surface, is fixed on stretching chamber sidewall by female through hole, and gag lever post is adjusted spacing distance by rotation.
Thermometric is fixed with radio temperature sensor in chamber, and bottom surface, thermometric chamber has the passage of some to conduct heat for gas communication.
The centrifugal force that the utility model produces by rotation to polytetrafluoroethylene (PTFE) not sintering belt stretch.First the square not stretched polytetrafluoroethylene (PTFE) that intercepts certain size not sintering belt, as base band, is adjusted gag lever post position according to required stretching ratio, clamps not sintering belt with guide pad and fixed block, carries out simple tension under uniform temperature and rotating speed.After simple tension completes, then carry out the stretching of another direction, realize biaxial tension.
(4) accompanying drawing explanation
Fig. 1 is the not two-way stretch device schematic diagram of sintering belt of polytetrafluoroethylene (PTFE).
Fig. 2 is circumgyration stretch tank schematic diagram.
Fig. 3 is circumgyration stretch tank schematic top plan view.
Fig. 4 is upper location-plate schematic top plan view.
Fig. 5 is stretching chamber schematic top plan view.
Fig. 6 is that stretching chamber is along stretch slot direction schematic side view.
Fig. 7 is guide pad and fixed block schematic diagram.
Fig. 8 is thermometric chamber schematic top plan view.
(5) specific embodiment
Below with reference to specific embodiments and the drawings, the utility model is described in further detail, and embodiment is only not used in restriction scope of the present utility model for the utility model is described.
Embodiment
As shown in Fig. 1～8, the polytetrafluoroethylene (PTFE) described in the utility model not two-way stretch device of sintering belt comprises switch board 1, headstock 2 and stretching case 3; In headstock 2, be provided with accurate digital control motor 9; In stretching case 3, be provided with circumgyration stretch tank 4, heating tube 5, heat-preserving cover plate 6, circumgyration stretch tank 4 is connected with accurate digital control motor 9 with power transmission shaft 8 by rotation location-plate 7, and rotation location-plate 7 is connected by screw threads for fastening with power transmission shaft 8 upper ends; Heat-preserving cover plate 6 passes through bolted with stretching upper box part end face.
In circumgyration stretch tank 4, be provided with stretching chamber 10, thermometric chamber 11, backstay 12, upper location-plate 13; There is external screw thread at backstay 12 two ends; Circumgyration stretch tank bottom surface 17 is provided with the internal thread locating hole 14 matching with backstay 12, circumgyration stretch tank upper end 16 is provided with internal thread fixing hole 15, stretching chamber 10 and thermometric chamber 11 are surveyed wall corner location and are provided with the positioning through hole 24 that vertical direction matches with backstay 12 diameters, and upper location-plate 13 is provided with the positioning through hole 18 matching with backstay 12 and circumgyration stretch tank upper end 16 internal thread fixing holes 15; Backstay 12 upper ends and upper location-plate 13 pass through fastening nuts, backstay 12 lower ends are fastening by internal thread locating hole 14 and circumgyration stretch tank bottom surface 17, stretching chamber 10 and thermometric chamber 11 are fastening with upper location-plate 13 and circumgyration stretch tank bottom surface 17 by backstay 12, and upper location-plate 13 is fastening by bolt and circumgyration stretch tank upper end 16; On circumgyration stretch pot sidewall, being drilled with a considerable amount of through holes conducts heat for gas communication.
In stretching chamber 10, be provided with gathering sill 19, gag lever post 21, guide pad 22, fixed block 23, guide post 20.Fine grinding, chromium plating and polishing are all passed through in stretching chamber 10 inner surfaces and gathering sill 19 sides and bottom surface, make its surfacing smooth.The ledge width of guide pad 22 is less than gathering sill width and is greater than guide post diameter, guide pad ledge is provided with a pilot hole 25, guide post 20 therefrom passes, pilot hole 25 diameters match with guide post 20 external diameters, guarantee guide pad 22 can along guide post 20 move towards smooth and easy movement and the vertical direction moved towards at guide post 20 without movement.Guide pad 22 is fastening by through hole 26 use bolts 27 with fixed block 23, and guide pad 22 and fixed block 23 through fine grinding, chromium plating, polishing, make this contact-making surface smooth with the contact-making surface on 10 bottom surfaces, stretching chamber and guide post 20 surfaces; Contact-making surface between guide pad 22 and fixed block 23 is through roughening treatment, for fixing biaxial tension base band.Guide pad 22 and fixed block 23 height are lower than the internal depth of stretching chamber 10.Guide post 20 is cylinder, and stretching chamber 10 sidewalls are vertically fixed at two ends, and its position is arranged in gathering sill 19, and guide post 20 surfaces, through fine grinding, chromium plating and polishing, make its surfacing smooth.Gathering sill 19 is groove, connects 10 bottom surfaces, stretching chamber.Gag lever post 21 is the threaded cylinder of outer surface, is fixed on stretching chamber sidewall by female through hole, and gag lever post 21 is adjusted spacing distance by rotation.
In thermometric chamber 11, be fixed with radio temperature sensor 28,11 bottom surfaces, thermometric chamber have the passage of some to conduct heat for gas communication.
Claims (4)
1. a not two-way stretch device for sintering belt of polytetrafluoroethylene (PTFE), comprises switch board, headstock and stretching case; In headstock, be provided with accurate digital control motor; In stretching case, be provided with circumgyration stretch tank, heating tube, heat-preserving cover plate, circumgyration stretch tank is connected with accurate digital control motor with power transmission shaft by rotation location-plate, and rotation location-plate is connected by screw threads for fastening with power transmission shaft upper end; Heat-preserving cover plate and stretching upper box part end face pass through bolted.
2. the not two-way stretch device of sintering belt of polytetrafluoroethylene (PTFE) as claimed in claim 1, is characterized in that being provided with in circumgyration stretch tank stretching chamber, thermometric chamber, backstay, upper location-plate; There is the external screw thread of certain length at backstay two ends; Circumgyration stretch tank bottom surface is provided with the internal thread locating hole matching with backstay, circumgyration stretch tank upper end is provided with internal thread fixing hole, stretching chamber and thermometric chamber are surveyed wall corner location and are provided with the positioning through hole that vertical direction matches with backstay diameter, and upper location-plate is provided with the positioning through hole matching with backstay and circumgyration stretch tank upper end internal thread fixing hole; Backstay upper end and upper location-plate pass through fastening nuts, backstay lower end is fastening by internal thread locating hole and circumgyration stretch tank bottom surface, stretching chamber and thermometric chamber are fastening by backstay and upper location-plate and circumgyration stretch tank bottom surface, and upper location-plate is fastening by bolt and circumgyration stretch tank upper end; On circumgyration stretch pot sidewall, being drilled with a considerable amount of through holes conducts heat for gas communication.
3. the not two-way stretch device of sintering belt of polytetrafluoroethylene (PTFE) as claimed in claim 2, indoor gathering sill, gag lever post, guide pad, fixed block, the guide post of being provided with is characterized in that stretching; Fine grinding, chromium plating and polishing are all passed through in stretching chamber internal surface and gathering sill side and bottom surface, make its surfacing smooth; The ledge width of guide pad is less than gathering sill width and is greater than guide post diameter, guide pad ledge is provided with a pilot hole, guide post therefrom passes, pilot hole diameter matches with guide post external diameter, guarantee guide pad can along guide post move towards smooth and easy movement and in the vertical direction of guide post trend without movement; Guide pad and fixed block are by through hole bolted, and the contact-making surface on guide pad and fixed block and bottom surface, stretching chamber and guide post surface, through fine grinding, chromium plating, polishing, makes this contact-making surface smooth; Contact-making surface between guide pad and fixed block is through roughening treatment, for fixing biaxial tension base band; Guide pad and fixed block height are lower than the internal depth of stretching chamber; Guide post is cylinder, and stretching chamber sidewall is vertically fixed at two ends, and its position is arranged in gathering sill, and guide post surface, through fine grinding, chromium plating and polishing, makes its surfacing smooth; Gathering sill is groove, connects bottom surface, stretching chamber; Gag lever post is the threaded cylinder of outer surface, is fixed on stretching chamber sidewall by female through hole, and gag lever post is adjusted spacing distance by rotation.
4. the not two-way stretch device of sintering belt of polytetrafluoroethylene (PTFE) as claimed in claim 2, is characterized in that being fixed with radio temperature sensor in thermometric chamber, and bottom surface, thermometric chamber has the passage of some to conduct heat for gas communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320635864.1U CN203680797U (en) | 2013-10-12 | 2013-10-12 | Two-way polytetrafluoroethylene non-sintered belt stretching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320635864.1U CN203680797U (en) | 2013-10-12 | 2013-10-12 | Two-way polytetrafluoroethylene non-sintered belt stretching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203680797U true CN203680797U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320635864.1U Expired - Fee Related CN203680797U (en) | 2013-10-12 | 2013-10-12 | Two-way polytetrafluoroethylene non-sintered belt stretching device |
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| CN (1) | CN203680797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496159A (en) * | 2013-10-12 | 2014-01-08 | 天津市天塑科技集团有限公司技术中心 | Two-way Teflon non-sintered belt stretching device |
-
2013
- 2013-10-12 CN CN201320635864.1U patent/CN203680797U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496159A (en) * | 2013-10-12 | 2014-01-08 | 天津市天塑科技集团有限公司技术中心 | Two-way Teflon non-sintered belt stretching device |
| CN103496159B (en) * | 2013-10-12 | 2018-10-09 | 宁波泰弗诺氟塑制品有限公司 | A kind of two-way stretch device of polytetrafluoroethylene (PTFE) unsintered tape |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20201012 |
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| CF01 | Termination of patent right due to non-payment of annual fee |