CN110053335B - High-performance PTFE (polytetrafluoroethylene) film-coated needled felt and preparation method thereof - Google Patents
High-performance PTFE (polytetrafluoroethylene) film-coated needled felt and preparation method thereof Download PDFInfo
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- CN110053335B CN110053335B CN201910334993.9A CN201910334993A CN110053335B CN 110053335 B CN110053335 B CN 110053335B CN 201910334993 A CN201910334993 A CN 201910334993A CN 110053335 B CN110053335 B CN 110053335B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
- B29C65/562—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using extra joining elements, i.e. which are not integral with the parts to be joined
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/022—Mechanical pre-treatments, e.g. reshaping
- B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
- B29C66/02241—Cutting, e.g. by using waterjets, or sawing
- B29C66/02242—Perforating or boring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
- B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
- C08J9/40—Impregnation
- C08J9/42—Impregnation with macromolecular compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/302—Conductive
Abstract
The invention belongs to the technical field of needled felts, and particularly relates to a high-performance PTFE (polytetrafluoroethylene) film-coated needled felt and a preparation method thereof. According to the invention, the purpose of effectively using the PTFE film-coated needled felt is achieved by arranging the jacks, the inserted heat-conducting columns, the fixed heat-conducting plates, the sleeved heat-conducting plates, the magnetic units and the protruding column units among the PTFE net base layer, the heat-insulating cotton layer and the PTFE film-coated layer. The PTFE-coated needled felt has the advantages of high stability of a five-layer structure of the needled felt, reasonable and effective fixing structure of the sleeved heat-conducting plate, high fixing strength, good heat dissipation effect, good overall using effect of the needled felt and finally improved filtering and dust removing capacity of the PTFE-coated needled felt.
Description
Technical Field
The invention belongs to the technical field of needled felts, and particularly relates to a high-performance PTFE (polytetrafluoroethylene) film-coated needled felt and a preparation method thereof.
Background
PTFE acupuncture felt is a superior performance's filtering material, mainly includes PTFE net basic unit and sets up the PTFE fibre tectorial membrane layer above it, and this two-layer structure just can reach effectual dust and filter the interception effect. On the other hand, thermal-insulated cotton layer and/or iron wire enhancement layer still can be added to current PTFE needled felt generally to the various complicated filtration environment of reply, but above-mentioned multilayer needled felt structure exists that structural strength is not enough and the layering is dispersed easily, and the radiating effect is poor problem, and high temperature service environment can reduce PTFE fibrous filtration dust removal ability, so the urgent need of a multilayer structure bonding strength is big on the market, and the good PTFE tectorial membrane needled felt of radiating effect.
The patent publication No. CN103432827A, Chinese patent disclosure No. 2013.12.11, discloses a high-performance PTFE needled felt filter material and a preparation process thereof, wherein the filter material sequentially comprises a fine-denier PTFE fiber mesh layer, a first base cloth layer, an upper PTFE fiber mesh layer, a second base cloth layer and a lower PTFE fiber mesh layer; the fine denier PTFE fiber net layer is made of fine denier PTFE fibers through pretreatment, pre-loosening and carding, the first base cloth layer and the second base cloth layer are made of PTFE base cloth through pretreatment and processing, and the upper layer PTFE fiber net layer and the lower layer PTFE fiber net layer are made of common PTFE fibers through pretreatment, pre-loosening and carding.
However, the PTFE needled felt of this patent has a problem of low structural strength.
Disclosure of Invention
The invention aims to provide a high-performance PTFE (polytetrafluoroethylene) film-coated needled felt and a preparation method thereof, which can achieve the purpose of effectively using the PTFE film-coated needled felt by arranging jacks, inserting heat-conducting columns, fixing heat-conducting plates, sleeving heat-conducting plates, magnetic units and protruding column units among a PTFE net base layer, a heat-insulating cotton layer and a PTFE film-coated layer. The PTFE-coated needled felt has the advantages of high stability of a five-layer structure of the needled felt, reasonable and effective fixing structure of the sleeved heat-conducting plate, high fixing strength, good heat dissipation effect, good overall using effect of the needled felt and finally improved filtering and dust removing capacity of the PTFE-coated needled felt.
The technical scheme adopted by the invention for solving the problems is as follows: high performance PTFE tectorial membrane acupuncture felt, including PTFE net basic unit, set up the thermal-insulated cotton layer of PTFE net basic unit both sides, and set up PTFE tectorial membrane layer on the thermal-insulated cotton layer, still including setting up PTFE net basic unit, thermal-insulated cotton layer and jack on the PTFE tectorial membrane layer, peg graft and set up grafting heat conduction post on the jack is fixed to be set up the fixed heat-conducting plate of grafting heat conduction post one end position department cup joints the setting and is in on the grafting heat conduction post and with fixed heat-conducting plate presss from both sides tightly together the heat-conducting plate that cup joints of tectorial membrane acupuncture felt sets up on the grafting heat conduction post and through hoop magnetic force attraction mode in order to be used for spacing fixed cup joint the magnetic force unit of heat-conducting plate, and set up on the grafting heat conduction post and through hoop protrusion mode in order to be used for spacing fixed the salient post unit.
The further preferred technical scheme is as follows: the magnetic unit comprises a limiting ring, an annular groove, a first magnet ring and a second magnet ring, wherein the limiting ring is sleeved on the splicing heat-conducting column and is positioned outside the splicing heat-conducting column, the annular groove is arranged on the annular surface of the splicing heat-conducting column, the first magnet ring is embedded in the annular groove, and the second magnet ring is bonded and arranged on the inner annular surface of the limiting ring and is used for axially limiting and fixing the limiting ring in a magnetic attraction mode with the magnetic pole of the outer annular surface of the first magnet ring.
The further preferred technical scheme is as follows: the protruding column unit comprises a groove arranged on the ring surface of the inserted heat-conducting column, a column body part arranged on the groove and used for axially limiting and fixing the limiting ring in an outwards jacking mode through elasticity, a sliding wheel part arranged in the groove and used for withdrawing the column body part mode through inwards pulling to load and unload the limiting ring, and a sliding sleeve part arranged in the groove and used for withdrawing the column body part through inwards pulling in the sliding wheel part mode.
The further preferred technical scheme is as follows: the cylinder body portion is including setting up hoop post on the fluting medial surface, inwards cup joints the setting and is in the tube-shape cylinder of hoop post end position department sets up on the hoop post and the inside lining in limiting plate in the tube-shape cylinder fluting to and cup joint the setting and be in on the hoop post outside jack-up on the limiting plate the jack-up spring of tube-shape cylinder.
The further preferred technical scheme is as follows: the column body is still including setting up on the hoop post and compare in the limiting plate is closer to the second limiting plate of tube-shape cylinder open end one side sets up the hoop post anchor ring with on the tube-shape cylinder inner ring face and the cross-section is the channel of minor arc bow to and the embedding sets up in pairs ball between the channel.
The further preferred technical scheme is as follows: the sliding wheel part is including setting up respectively spacing groove on two sides of fluting, both ends insert to set up two movable pulley on the spacing groove, the coiling is in just be used for on the movable pulley anchor face inwards pulling on the inboard side of fluting the pulling rope of tube-shape cylinder to and the coiling is in just through the pulling on the movable pulley anchor face the movable pulley mode is in order to be used for the drive the pulling rope and then inwards pulling the driving rope of tube-shape cylinder.
The further preferred technical scheme is as follows: the sliding wheel part is characterized by further comprising two rope grooves which are arranged on the ring surface of the movable pulley and used for winding two sides of the movable pulley, the three rope grooves are formed in the middle of the driving rope, and one end of each rope is bonded on the ring surface of the opening of the cylindrical column.
The further preferred technical scheme is as follows: the sliding sleeve part comprises a fixed plate arranged on the inner side surface of the groove, two fixed rods which are arranged on the outer end surface of the fixed plate and are parallel to each other, and a sliding sleeve body which is sleeved on the fixed rods, is connected with the driving rope through the outer annular surface and is used for pulling the movable pulley and the cylindrical column.
The further preferred technical scheme is as follows: sliding sleeve portion is still including setting up just be located two on the fixed plate outside terminal surface threaded rod in the middle of the dead lever is equipped with three trompil and cup joints two respectively the dead lever with the threaded rod just is used for outside promotion the promotion orifice plate of the sliding sleeve body, the spiro union sets up the adjustable ring of threaded rod bonds and sets up promote on the orifice plate lateral surface and with the third magnet ring that the threaded rod cup jointed to and bond and set up attract through magnetic force on the adjustable ring inboard anchor ring mode is in order to be used for outside pulling to adjust the fourth magnet ring of promotion orifice plate.
A preparation method of a high-performance PTFE (polytetrafluoroethylene) film-coated needled felt sequentially comprises the following steps:
s1, weaving PTFE fibers into the PTFE mesh base layer, and punching the PTFE mesh base layer, the existing heat insulation cotton layer and the existing PTFE film coating layer;
s2, aligning the openings of the PTFE net base layer, the heat insulation cotton layer and the PTFE film coating layer, inserting the inserted heat conduction columns and the fixed heat conduction plates, sleeving and installing the sleeved heat conduction plates, and annularly installing the magnetic unit to axially limit and fix the sleeved heat conduction plates;
s3, annularly triggering the protruding column unit to enable the protruding column unit to protrude outside the splicing heat-conducting column, and finally axially limiting and fixing the magnetic unit for further ensuring the sleeving stability of the sleeving heat-conducting plate.
According to the invention, the purpose of effectively using the PTFE film-coated needled felt is achieved by arranging the jacks, the inserted heat-conducting columns, the fixed heat-conducting plates, the sleeved heat-conducting plates, the magnetic units and the protruding column units among the PTFE net base layer, the heat-insulating cotton layer and the PTFE film-coated layer. The PTFE-coated needled felt has the advantages of high stability of a five-layer structure of the needled felt, reasonable and effective fixing structure of the sleeved heat-conducting plate, high fixing strength, good heat dissipation effect, good overall using effect of the needled felt and finally improved filtering and dust removing capacity of the PTFE-coated needled felt.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a position structure of the magnetic unit according to the present invention.
Fig. 3 is a schematic view of the position structure of the protruding column unit in the present invention.
Fig. 4 is a schematic diagram of the position structure of the groove and the ball in the invention.
Fig. 5 is a schematic view of the position structure of the rope groove in the invention.
Fig. 6 is a schematic view of the position structure of the sliding sleeve part in the invention.
Detailed Description
The following description is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention.
Example (b): as shown in fig. 1, 2, 3, 4, 5 and 6, the high-performance PTFE coated needled felt comprises a PTFE mesh substrate 11, heat insulation cotton layers 12 arranged on both sides of the PTFE mesh substrate 11, and a PTFE film coating layer 13 arranged on the heat insulation cotton layer 12, and further comprises a jack 1 arranged on the PTFE net base layer 11, the heat insulation cotton layer 12 and the PTFE film coating layer 13, a splicing heat conduction column 2 spliced on the jack 1, a fixed heat conduction plate 3 fixedly arranged at one end position of the splicing heat conduction column 2, a sleeving heat conduction plate 4 sleeved on the splicing heat conduction column 2 and clamping the film coating needled felt together with the fixed heat conduction plate 3, and a magnetic unit 5 arranged on the splicing heat conduction column 2 and used for limiting and fixing the sleeving heat conduction plate 4 in a circumferential magnetic attraction manner, and the protruding column unit 6 is arranged on the inserted heat-conducting column 2 and is used for limiting and fixing the magnetic unit 5 in an annular protruding mode.
In the prior art, the PTFE mesh base layer 11, the heat insulation cotton layer 12 and the PTFE membrane coated layer 13 with five layers are directly sewn or nailed and then are filtered and dedusted, and the method has the problems that the multilayer structure is easy to scatter, and the heat dissipation of the needled felt is not timely during high-temperature filtration use, so that the fiber filtration interception capacity is finally reduced. On the other hand, the inserted heat-conducting column 2, the fixed heat-conducting plate 3 and the sleeved heat-conducting plate 4 are all made of heat-conducting metal, such as copper, so that the heat-conducting effect is further improved.
In addition, magnetic unit 5 is in on the grafting heat conduction post 2, cup joint the outer ring of heat-conducting plate 4 and attract to magnetic force, consequently magnetic unit 5 is difficult for following drop on the grafting heat conduction post 2, magnetic unit 5 is right cup joint heat-conducting plate 4 and play the spacing fixed effect of first heavy axial, and salient post unit 6 has controllable hoop protrusion effect, salient post unit 6 protrusion is in behind the grafting heat conduction post 2 anchor ring outside, even at this moment magnetic unit 5 accident became invalid, salient post unit 6 also can be through the spacing fixed of axial magnetic unit 5 mode, final spacing fixed cup joint heat-conducting plate 4, guarantee the stability of the five-layer structure of needled felt, guarantee to be difficult for scattering to drop.
The magnetic unit 5 comprises a limiting ring 501 which is sleeved on the inserted heat-conducting column 2 and is positioned outside the sleeved heat-conducting plate 4, an annular groove 502 which is arranged on the annular surface of the inserted heat-conducting column 2, a first magnet ring 503 which is embedded in the annular groove 502, and a second magnet ring 504 which is bonded on the inner annular surface of the limiting ring 501 and is used for axially limiting and fixing the limiting ring 501 in a magnetic attraction manner with the magnetic pole of the outer annular surface of the first magnet ring 503.
In this embodiment, the magnetic pole on the outer annular surface of the first magnet ring 503 and the magnetic pole on the inner annular surface of the second magnet ring 504 are opposite in attraction, and the limiting ring 501 has an annular attraction magnetic force with the insertion heat-conducting post 2, so that the limiting ring is not easy to fall off from the insertion heat-conducting post 2, the sleeve heat-conducting plate 4 is axially limited and fixed, and the effectiveness of the inserted and fixed structure on both sides of the needled felt five-layer structure is finally ensured.
The projecting column unit 6 comprises a slot 602 arranged on the annular surface of the inserted heat-conducting column 2, a column 601 arranged on the slot 602 and used for axially limiting and fixing the limit ring 501 in an outwards jacking mode through elasticity, a sliding wheel part 603 arranged in the slot 602 and used for assembling and disassembling the limit ring 501 in a mode of withdrawing the column 601 through inwards pulling, and a sliding sleeve part 604 arranged in the slot 602 and used for inwards pulling and withdrawing the column 601 through pulling the sliding wheel part 603. The column body 601 is including setting up hoop post 601a on the fluting 602 medial surface, inwards cup joints the setting and is in the tube-shape post 601b of hoop post 601a end position department sets up on the hoop post 601a and the inside lining in the limiting plate 601c in the tube-shape post 601b fluting, and cup joint the setting and be in on the hoop post 601a and be used for outside jack-up on the limiting plate 601c the jack-up spring 601d of tube-shape post 601 b. The column 601 further includes a second limiting plate 601e disposed on the circumferential column 601a and closer to the open end side of the cylindrical column 601b than the limiting plate 601c, a groove 601f having a minor arc cross section and disposed on the circumferential surface of the circumferential column 601a and the inner circumferential surface of the cylindrical column 601b, and a ball 601g inserted and disposed between the pair of grooves 601 f.
In this embodiment, the use method and advantages of the pillar 601 are as follows:
firstly, initially, the magnetic unit 5 is not installed in a sleeved manner, the cylindrical column 601b is arranged in the slot 602 in a retracted state, at this time, the sliding wheel portion 603 pulls the cylindrical column 601b inwards, and the cylindrical column 601b overcomes the elastic force of the jacking spring 601d and is fixed at a position on the annular column 601a, which is relatively inside;
secondly, after the limiting ring 501 is sleeved on the inserted heat-conducting post 2 and fixed by magnetic attraction, the sliding sleeve part 604 is adjusted in a sliding way, the sliding wheel part 603 is loosened again to pull the vertical force inwards on the cylindrical column 601b, at the moment, the elastic force of the jacking spring 601d plays a leading role, the cylindrical column 601b is partially protruded outwards, the cylindrical column 601b is axially restrained and locked to the retainer ring 501 and the second magnet ring 504, is not in contact with the retainer ring 501 and the second magnet ring 504, is restrained and fixed only at the outer end, therefore, even if the magnetic force at the magnetic unit 5 fails, the sleeved heat-conducting plate 4 is only loosened and cannot fall off from the inserted heat-conducting column 2, the needled felt is only loosened from the five-layer structure, and cannot be separated and disintegrated, so that the stability of the needled felt with the multi-layer structure is finally ensured;
thirdly, the sliding wheel portion 603 is pulled obliquely on one side of the cylindrical column 601b, and at this time, a situation that friction force is large and the cylindrical column 601b and the circumferential column 601a are stuck together easily occurs, so in this embodiment, the groove 601f is provided between the limiting plate 601c and the second limiting plate 601e, and the ball 601g is embedded in the groove 601f, so that ordinary sliding friction is changed into rolling friction, and when the cylindrical column 601b is pulled obliquely, the axial sliding can be stabilized on the circumferential column 601a by reducing the friction force and adding lubricating oil.
In this embodiment, the two pulling ropes 603c pull the cylindrical column 601b inwards on the inner side surface of the slot 602, so that the cylindrical column 601b can effectively switch between two states of protruding, limiting, fixing and withdrawing for the mounting and dismounting of the limiting ring 501, the movable pulley 603b slides on the limiting grooves 603a on both sides to pull the pulling ropes 603c to withdraw the cylindrical column 601b smoothly, and when the pulling ropes 603c are loosened, the jacking spring 601d jacks the cylindrical column 601b outwards again, thereby ensuring the effective switching of the back-and-forth state of the cylindrical column 601 b.
The sliding sleeve portion 604 includes a fixed plate 604a disposed on the inner side surface of the slot 602, two fixed rods 604b disposed on the outer end surface of the fixed plate 604a and parallel to each other, and a sliding sleeve body 604c sleeved on the fixed rods 604b and having an outer annular surface connected to the driving rope 603d for pulling the movable pulley 603b and the cylindrical column 601 b. The sliding sleeve part 604 is further arranged on the outer end face of the fixed plate 604a and is positioned at two threaded rods 604d in the middle of the fixed rods 604b, three openings are formed in the threaded rods 604d, the fixed rods 604b are sleeved with the threaded rods 604d and are used for outwards pushing the pushing pore plates 604e of the sliding sleeve body 604c, the threaded rods 604d are screwed with the adjusting rings 604f of the threaded rods 604d, the outer side faces of the pushing pore plates 604e are adhered with the third magnet rings 604g sleeved with the threaded rods 604d, and the inner side annular faces of the adjusting rings 604f are adhered with the third magnet rings 604g and attract the third magnet rings 604g through magnetic force to outwards pull and adjust the fourth magnet rings 604h of the pushing pore plates 604 e.
In this embodiment, the pushing orifice plate 604e pushes the two sliding sleeves 604c outwards together, so that the two pulling ropes 603c have the advantage of uniform pulling amplitude, when the adjusting ring 604f rotates outwards together with the fourth magnet ring 604h, the magnetic force of the attraction force between the fourth magnet ring 604h and the third magnet ring 604g can pull the push orifice plate 604e outwards together, and finally pull the two sliding sleeve bodies 604c, the movable pulley 603b, and the cylindrical column 601b, wherein the screwing effect of the adjusting ring 604f can be such that it stops and is fixed after rotating in any position, toroidal pole effects between the fourth magnet ring 604h and the third magnet ring 604g, the fourth magnet ring 604h does not affect the magnetic attraction effect even when rotating, and the sliding sleeve portion can finally pull the cylindrical column 601b in a sliding motion.
A preparation method of a high-performance PTFE (polytetrafluoroethylene) film-coated needled felt sequentially comprises the following steps:
s1, weaving PTFE fibers into the PTFE mesh base layer 11, and punching the PTFE mesh base layer 1, the conventional heat insulation cotton layer 2 and the conventional PTFE film coating layer 3;
s2, aligning the holes of the PTFE net base layer 1, the heat insulation cotton layer 2 and the PTFE film coating layer 3, inserting the inserted heat conduction column 2 and the fixed heat conduction plate 3, sleeving and installing the sleeving heat conduction plate 4, and annularly installing the magnetic unit 5, so that the magnetic unit 5 axially limits and fixes the sleeving heat conduction plate 4;
and S3, annularly triggering the protruding column unit 6 to enable the protruding column unit 6 to protrude outside the splicing heat-conducting column 2, and finally axially limiting and fixing the magnetic unit 5 for further ensuring the sleeving stability of the sleeving heat-conducting plate 4.
In this embodiment, the magnetic unit 5 and the method for assembling and disassembling the protruding column unit 6 are as described above, the cylindrical column 601b in the protruding column unit 6 protrudes to be used for limiting and fixing the limiting ring 501 in the magnetic unit 5, and the cylindrical column 601b is retracted to be used for assembling and disassembling the limiting ring 501, so that the five layers of needled felt is stably clamped by a clamping structure which is overall in an i shape after being perforated, and the inserted heat-conducting column 2, the fixed heat-conducting plate 3 and the sleeved heat-conducting plate 4 have the dual advantages of dual functions of heat dissipation, and the actions of punching, inserting, sleeving and the like are simply performed according to the existing manner.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various modifications can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. These are non-inventive modifications, which are intended to be protected by patent laws within the scope of the claims appended hereto.
Claims (8)
1. High performance PTFE tectorial membrane acupuncture felt, including PTFE net basic unit (11), set up thermal-insulated cotton layer (12) of PTFE net basic unit (11) both sides, and set up and be in PTFE tectorial membrane layer (13) on thermal-insulated cotton layer (12), its characterized in that: the heat-insulating felt heat-conducting plate comprises a PTFE net base layer (11), a heat-insulating cotton layer (12) and a PTFE film-coated layer (13), a socket heat-conducting plate (4) which is arranged on the socket heat-conducting heat;
the magnetic unit (5) comprises a limiting ring (501) which is sleeved on the inserted heat-conducting column (2) and is positioned at the outer side of the sleeved heat-conducting plate (4), an annular groove (502) which is arranged on the annular surface of the inserted heat-conducting column (2), a first magnet ring (503) which is embedded in the annular groove (502), and a second magnet ring (504) which is bonded on the inner annular surface of the limiting ring (501) and is used for axially limiting and fixing the limiting ring (501) in a magnetic attraction manner with the magnetic pole of the outer annular surface of the first magnet ring (503);
the protruding column unit (6) comprises a slot (602) arranged on the ring surface of the inserted heat-conducting column (2), a column body part (601) arranged on the slot (602) and used for axially limiting and fixing the limiting ring (501) in an outwards jacking mode through elasticity, a sliding wheel part (603) arranged in the slot (602) and used for assembling and disassembling the limiting ring (501) in a mode of withdrawing the column body part (601) through inwards pulling, and a sliding sleeve part (604) arranged in the slot (602) and used for inwards pulling and withdrawing the column body part (601) through pulling the sliding wheel part (603).
2. The high performance PTFE coated needled felt according to claim 1, wherein: the column body (601) is including setting up hoop post (601 a) on fluting (602) medial surface is inwards cup jointed and is set up tube-shape cylinder (601 b) of hoop post (601 a) end position department sets up on hoop post (601 a) and the inside lining in limiting plate (601 c) in tube-shape cylinder (601 b) the fluting to and cup joint the setting and be in on hoop post (601 a) and be used for outside jack-up on limiting plate (601 c) the jack-up spring (601 d) of tube-shape cylinder (601 b).
3. The high performance PTFE coated needled felt according to claim 2, wherein: the column body part (601) further comprises a second limiting plate (601 e) which is arranged on the annular column (601 a) and is closer to one side of the opening end of the cylindrical column (601 b) than the limiting plate (601 c), a groove (601 f) which is arranged on the annular surface of the annular column (601 a) and the inner annular surface of the cylindrical column (601 b) and has a section of a minor arc arch, and a ball (601 g) which is embedded and arranged between the pair of grooves (601 f).
4. The high performance PTFE coated needled felt according to claim 2, wherein: sliding wheel portion (603) are including setting up respectively spacing groove (603 a) on two sides of fluting (602), both ends insert to set up two movable pulley (603 b) on spacing groove (603 a), the coiling is in on movable pulley (603 b) the anchor ring and be used for inwards pulling on fluting (602) inboard side the pulling rope (603 c) of tube-shape cylinder (601 b), and the coiling is in just through the pulling on movable pulley (603 b) the anchor ring movable pulley (603 b) mode is in order to be used for pulling rope (603 c) and then inwards pulling the driving rope (603 d) of tube-shape cylinder (601 b).
5. The high performance PTFE coated needled felt according to claim 4, characterized in that: the sliding wheel part (603) further comprises three rope grooves (603 e) which are arranged on the ring surface of the movable pulley (603 b) and used for winding two pulling ropes (603 c) on two sides and one driving rope (603 d) in the middle, and one end of each pulling rope (603 c) is bonded on the opening ring surface of the cylindrical column body (601 b).
6. The high performance PTFE coated needled felt according to claim 4, characterized in that: the sliding sleeve part (604) comprises a fixing plate (604 a) arranged on the inner side surface of the slot (602), two fixing rods (604 b) which are arranged on the outer side end surface of the fixing plate (604 a) and are parallel to each other, and a sliding sleeve body (604 c) which is sleeved on the fixing rods (604 b) and is connected with the driving rope (603 d) through the outer ring surface so as to pull the movable pulley (603 b) and the cylindrical column body (601 b).
7. The high performance PTFE coated needled felt according to claim 6, wherein: sliding sleeve portion (604) are still including setting up on fixed plate (604 a) outside terminal surface and be located two threaded rod (604 d) in the middle of dead lever (604 b) is equipped with three trompil and cup joints two respectively dead lever (604 b) with threaded rod (604 d) and be used for outside promotion sliding sleeve body (604 c) promote orifice plate (604 e), the spiro union sets up the adjustable ring (604 f) of threaded rod (604 d), the bonding sets up promote on orifice plate (604 e) lateral surface and with third magnet ring (604 g) that threaded rod (604 d) cup jointed, and the bonding sets up on the inboard anchor ring of adjustable ring (604 f) and through magnetic attraction third magnet ring (604 g) mode is used for outside pulling regulation fourth magnet ring (604 h) of promoting orifice plate (604 e).
8. The preparation method of the high-performance PTFE coated needled felt according to claim 1, which is characterized by sequentially comprising the following steps of:
s1, weaving PTFE fibers into the PTFE mesh base layer (11), and punching the PTFE mesh base layer (11), the conventional heat insulation cotton layer (12) and the PTFE coating layer (13);
s2, aligning the jacks of the PTFE net base layer (11), the heat insulation cotton layer (12) and the PTFE film coating layer (13), inserting the inserted heat conduction columns (2) and the fixed heat conduction plate (3) and sleeving and mounting the sleeving heat conduction plate (4), and annularly mounting the magnetic unit (5) to axially limit and fix the sleeving heat conduction plate (4) by the magnetic unit (5);
s3, triggering the protruding column unit (6) annularly, enabling the protruding column unit (6) to protrude outside the splicing heat-conducting column (2), and finally performing axial limiting fixing on the magnetic unit (5) for further ensuring the sleeving stability of the sleeving heat-conducting plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910334993.9A CN110053335B (en) | 2019-04-24 | 2019-04-24 | High-performance PTFE (polytetrafluoroethylene) film-coated needled felt and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910334993.9A CN110053335B (en) | 2019-04-24 | 2019-04-24 | High-performance PTFE (polytetrafluoroethylene) film-coated needled felt and preparation method thereof |
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| Publication Number | Publication Date |
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| CN110053335A CN110053335A (en) | 2019-07-26 |
| CN110053335B true CN110053335B (en) | 2021-01-01 |
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| CN204226404U (en) * | 2014-10-29 | 2015-03-25 | 浙江明泰标准件有限公司 | A kind of novel holding down bolt |
| CN106286507A (en) * | 2015-06-03 | 2017-01-04 | 天津市鑫祥金属制品有限公司 | A kind of parallel link plate |
| CN207212912U (en) * | 2017-04-14 | 2018-04-10 | 浙江国盛汽车科技股份有限公司 | A kind of anti-reverse bolt |
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| CN108909121A (en) * | 2018-05-25 | 2018-11-30 | 浙江绿净环保科技股份有限公司 | High-performance PTFE laminated needled felt and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204226404U (en) * | 2014-10-29 | 2015-03-25 | 浙江明泰标准件有限公司 | A kind of novel holding down bolt |
| CN106286507A (en) * | 2015-06-03 | 2017-01-04 | 天津市鑫祥金属制品有限公司 | A kind of parallel link plate |
| CN207212912U (en) * | 2017-04-14 | 2018-04-10 | 浙江国盛汽车科技股份有限公司 | A kind of anti-reverse bolt |
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| CN110053335A (en) | 2019-07-26 |
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