CN215668312U - Polytetrafluoroethylene short fiber forming production device - Google Patents
Polytetrafluoroethylene short fiber forming production device Download PDFInfo
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- CN215668312U CN215668312U CN202023121691.0U CN202023121691U CN215668312U CN 215668312 U CN215668312 U CN 215668312U CN 202023121691 U CN202023121691 U CN 202023121691U CN 215668312 U CN215668312 U CN 215668312U
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Abstract
The utility model relates to a polytetrafluoroethylene short fiber forming production device which comprises an unreeling mechanism, a stretching mechanism, a film splitting mechanism and a fiber planning mechanism, wherein the unreeling mechanism, the stretching mechanism, the film splitting mechanism and the fiber planning mechanism are sequentially arranged, a sintering mechanism is arranged on the upper side of the stretching mechanism, polytetrafluoroethylene strips output by the unreeling mechanism are sintered by the sintering mechanism and then conveyed to the stretching mechanism, the stretching mechanism stretches the polytetrafluoroethylene strips, the film splitting mechanism bundles the polytetrafluoroethylene strips stretched by the stretching mechanism into a net shape, and the fiber planning mechanism plans the net polytetrafluoroethylene strips into fibers. The utility model has reasonable design, can realize the rapid molding of the polytetrafluoroethylene short fiber and has good production quality.
Description
The technical field is as follows:
the utility model relates to a polytetrafluoroethylene short fiber forming production device.
Background art:
the polytetrafluoroethylene fiber has the advantages of high temperature resistance, corrosion resistance, oxidation resistance, non-adhesiveness and the like, and is widely applied to the fields of chemical industry, machinery, electronics, aerospace, environmental protection and the like. The production of polytetrafluoroethylene short fibers requires that polytetrafluoroethylene tapes are processed into strip-shaped fiber filaments. In order to implement the production method, the scheme is produced accordingly.
The utility model has the following contents:
the utility model aims at solving the problems in the prior art, namely, the utility model aims to provide a polytetrafluoroethylene short fiber forming production device which is reasonable in design and good in production quality.
In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a polytetrafluoroethylene short fiber shaping apparatus for producing, splits mechanism and digs silk mechanism including unwinding mechanism, the tension mechanism, the membrane that sets gradually, tension mechanism's upside is equipped with sintering machine, the polytetrafluoroethylene strip of unwinding mechanism output carries to tension mechanism after sintering machine constructs the sintering, membrane splits the mechanism and will prick into netted through the polytetrafluoroethylene strip after tension mechanism stretches, dig silk mechanism and dig into the fibre silk with netted polytetrafluoroethylene strip.
Furthermore, the membrane splitting mechanism comprises a pair of membrane splitting rollers which are arranged up and down, a plurality of needle rows are uniformly distributed on the outer circumferential surface of each membrane splitting roller, each needle row comprises a plurality of puncture needles which are uniformly distributed along the axial direction of each puncture roller and used for puncturing holes in the polytetrafluoroethylene strips, and the puncture needles extend along the radial direction of the membrane splitting rollers.
Furthermore, dig silk mechanism includes the plane silk roller, the outer periphery of plane silk roller is provided with a plurality of planes silk needle.
The bundling device is used for collecting a plurality of fiber wires planed by the wire planing mechanism into a bundle, and a wire collecting mechanism used for collecting the fiber wires into the bundle is arranged on one side of the bundling device, which is far away from the wire planing mechanism.
Further, the take-up mechanism comprises at least one take-up roller, and the take-up roller is driven by the ball screw mechanism to move along the axial direction.
Furthermore, the stretching mechanism comprises two rows of stretching roller sets which are vertically distributed, the stretching roller sets comprise a plurality of stretching rollers which are distributed at intervals along the conveying direction of the polytetrafluoroethylene strip, and the stretching rollers of the upper and lower adjacent stretching roller sets are arranged along the transverse dislocation.
Further, a pair of first strip pulling rollers arranged on the left and right sides is arranged between the stretching mechanism and the film splitting mechanism, a cooling roller is arranged between the pair of first strip pulling rollers and the stretching mechanism, and a cooling oil duct is arranged inside the cooling roller; and a pair of second belt pulling rollers which are arranged up and down is arranged between the film splitting mechanism and the shredding mechanism.
Furthermore, the unreeling mechanism comprises a rack, a loading and unloading swing rod which is driven by a driving mechanism to swing up and down is hinged to the rack, and a hook part for placing the charging barrel is arranged at the top of the loading and unloading swing rod; the driving mechanism comprises a first air cylinder, the tail end of a cylinder body of the first air cylinder is hinged with the rack, a piston rod of the first air cylinder is hinged with the non-end part of the loading and unloading swing rod, and the bottom of the loading and unloading swing rod is hinged with the rack.
Furthermore, the loading and unloading swing rods are bilaterally symmetrically positioned between the left vertical side wall and the right vertical side wall of the rack, the two loading and unloading swing rods are connected into a whole through a connecting rod, and openings of the hook parts are upward; the top parts of the left and right vertical side walls of the rack are provided with round notches, the round notches are used for coaxially placing end bearings of the charging barrel which swings upwards, notches of the round notches face the loading and unloading swing rod, upward extending parts are fixedly arranged on the sides, close to the lower swing, of the openings, and pressing blocks used for leaning against the periphery of the side of the notches of the end bearings are screwed on the side faces of the extending parts; the charging barrel comprises a barrel body, end bearings are arranged on the pin shafts which are coaxial at two ends of the barrel body, the loading and unloading swing rods are located between the end bearings at the same side and the end face of the barrel body at the same side, a driven gear is arranged outside the rack on one pin shaft, a driving gear which is driven to rotate by a motor is arranged on the rack, and the driven gear of the charging barrel on the loading and unloading swing rods which are swung in place is meshed with the driving gear.
Compared with the prior art, the utility model has the following effects: the utility model has reasonable design, can realize the rapid molding of the polytetrafluoroethylene short fiber and has good production quality.
Description of the drawings:
FIG. 1 is a schematic construction of an embodiment of the present invention;
fig. 2 is a first schematic structural diagram (top swing) of the unwinding mechanism in the embodiment of the present invention;
fig. 3 is a schematic structural diagram of the unwinding mechanism (a second swing) in the embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 2;
fig. 5 is a front view of fig. 4.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1, the polytetrafluoroethylene short fiber forming production apparatus of the present invention includes an unwinding mechanism 17, a stretching mechanism 18, a film splitting mechanism 19, and a fiber planing mechanism 20, which are sequentially disposed, wherein a sintering mechanism 21 is disposed on an upper side of the stretching mechanism 18, a polytetrafluoroethylene tape 22 output from the unwinding mechanism 17 is sintered by the sintering mechanism 21 and then conveyed to the stretching mechanism 18, the stretching mechanism 18 stretches the sintered polytetrafluoroethylene tape 22, the film splitting mechanism 19 bundles the polytetrafluoroethylene tape 22 stretched by the stretching mechanism 18 into a net shape, and the fiber planing mechanism 20 planes the net-shaped polytetrafluoroethylene tape 22 into fibers.
In this embodiment, the film splitting mechanism 19 includes a pair of film splitting rollers 23 disposed up and down, a plurality of needle rows are uniformly distributed on the outer circumferential surface of the film splitting rollers 23, the needle rows include a plurality of puncture needles 24 uniformly distributed along the axial direction of the puncture rollers and used for puncturing holes in the polytetrafluoroethylene tape 22, and the puncture needles 24 extend along the radial direction of the film splitting rollers 23; when the film splitting roller rotates, the felting needles on the needle row sequentially prick into the polytetrafluoroethylene strip along with the rotation of the film splitting roller, so that the reticular polytetrafluoroethylene strip is formed, and the polytetrafluoroethylene strip is conveniently planed into threads by a subsequent planing mechanism. It should be noted that the felting needles on the film splitting roller on the upper side and the felting needles on the film splitting roller on the lower side are distributed in a staggered manner along the axial direction of the film splitting roller, so that the felting needles on the two film splitting rollers are prevented from mutually propping.
In this embodiment, the shredding mechanism 20 includes a shredding roller 25, and a plurality of shredding needles are disposed on an outer circumferential surface of the shredding roller 25; when the shredding roller rotates, the shredding needle shreds the reticular polytetrafluoroethylene strip into a plurality of strip-shaped fiber shreds along with the rotation of the shredding roller.
In this embodiment, in order to gather the fiber filaments planed by the filament planing mechanism 20, the production apparatus further includes a buncher 26 for gathering the plurality of fiber filaments planed by the filament planing mechanism 20 into a bundle, and a winding mechanism 27 for winding the bundled fiber filaments is disposed on a side of the buncher 26 away from the filament planing mechanism. It should be noted that the buncher is a conventional technology, and is widely applied to a drawing frame, for example, and the structure thereof is not repeated here.
In this embodiment, the take-up mechanism 27 includes two take-up rollers 28 disposed up and down, and the take-up rollers are driven by a ball screw mechanism (not shown) to move axially so that the bundled filaments are uniformly wound around the take-up rollers.
In this embodiment, the stretching mechanism 18 includes two rows of stretching roller sets distributed vertically, the stretching roller sets include a plurality of stretching rollers 29 distributed at intervals along the conveying direction of the polytetrafluoroethylene tape 22, and the stretching rollers 29 of the upper and lower adjacent stretching roller sets are arranged along the transverse direction in a staggered manner. When the device works, the stretching roller sets in the upper and lower rows are wound in an S shape.
In this embodiment, a pair of first stretching rollers 30 disposed on the left and right sides is disposed between the stretching mechanism 18 and the film splitting mechanism 19, the polytetrafluoroethylene tape 22 is wound between the pair of first stretching rollers 30, and the first stretching rollers 30 send the polytetrafluoroethylene tape 22 stretched by the stretching mechanism 18 to the film splitting mechanism 19.
In this embodiment, a cooling roller 31 is disposed between the pair of first belt pulling rollers 30 and the stretching mechanism 19, a cooling oil passage is disposed inside the cooling roller 31, an oil inlet and an oil outlet which are communicated with the cooling oil passage are respectively disposed at two ends of the cooling roller, the oil inlet is used for injecting cooling oil, and the oil outlet is used for outputting cooling oil. By providing the cooling roll, the stretched polytetrafluoroethylene tape can be appropriately cooled.
In this embodiment, a pair of second belt pulling rollers 32 arranged up and down is arranged between the film splitting mechanism 19 and the shredding mechanism 20; the polytetrafluoroethylene tape, which is web-shaped and split from the film, passes through between the pair of second draw rolls 32 disposed above and below, and is fed into the shredding mechanism via the pair of second draw rolls.
In the present embodiment, the sintering mechanism 21 is a conventional technique, and is mainly used for sintering the ptfe tape to provide a certain strength, for example, a sintering furnace.
In this embodiment, in order to realize the stable transportation of the polytetrafluoroethylene tape 22, transition rollers 33 may be disposed between the unwinding mechanism and the sintering mechanism, between the sintering mechanism and the stretching mechanism, between the stretching mechanism and the first draw tape roller, and between the first draw tape roller and the film splitting mechanism.
In this embodiment, as shown in fig. 2 to 5, the unwinding mechanism includes a frame 1, a loading and unloading swing rod 2 driven by a driving mechanism to swing up and down is hinged to the frame, and a hook 4 for placing a material barrel 3 is disposed at the top of the loading and unloading swing rod.
The driving mechanism comprises a first air cylinder 5, the tail end of a cylinder body of the first air cylinder is hinged with the rack, a piston rod of the first air cylinder is hinged with the non-end part of the loading and unloading swing rod, and the bottom of the loading and unloading swing rod is hinged with the rack.
The loading and unloading swing rods are bilaterally symmetrically positioned between the left vertical side wall and the right vertical side wall of the rack, the two loading and unloading swing rods are connected into a whole through the connecting rod 6, and openings of the hook parts are upward.
The top of two vertical lateral walls 7 all is equipped with round notch 9 about the frame, and the round notch is used for the coaxial placing of tip bearing 8 of the feed cylinder of upper hem, and the breach of round notch all is towards loading and unloading pendulum rod, and uncovered is close to the lower hem side and all has set firmly ascending extension 10, and equal spiro union has the briquetting 11 that is used for leaning on in tip bearing's breach side week portion on the side of extension.
The charging barrel comprises a barrel body 12, end bearings are arranged on pin shafts 13 which are coaxial at two ends of the barrel body, loading and unloading swing rods are located between the end bearings at the same side and the end face of the barrel body at the same side, a driven gear 14 is arranged outside a rack on one pin shaft, a driving gear 16 which is driven to rotate by a motor 15 is arranged on the rack, and the driven gear of the charging barrel on the loading and unloading swing rod which swings in place upwards is meshed with the driving gear. The hook part drives the pin shaft to swing upwards, the end bearing rolls into the round notch, and meanwhile, the pressing block leans against the end bearing, so that the driving gear drives the driven gear to drive the cylinder body to rotate; when the pendulum is swung downwards, the hook part hooks the pin shaft again, and the end bearing rolls out of the round notch.
The working principle of the unwinding mechanism is as follows: the loading and unloading swing rod is driven by the expansion of the first air cylinder to swing up and down, so that the charging barrel is positioned at a working position when the loading and unloading swing rod swings up, and the charging barrel is conveniently unloaded when the loading and unloading swing rod swings down.
In this embodiment, the specific working method includes the following steps:
step S1: the polytetrafluoroethylene strip 22 positioned on the charging barrel enters a sintering mechanism 21 for sintering and then enters a stretching mechanism 18, and the upper and lower two rows of stretching roller sets are wound in an S shape;
step S2: the stretched polytetrafluoroethylene tape 22 is cooled by a cooling roller 31;
step S3: the cooled polytetrafluoroethylene tape 22 is fed into a film splitting mechanism 19 through a pair of first tape drawing rollers 30, a pair of film splitting rollers 23 which are arranged up and down synchronously rotate in opposite directions, and needles on a needle row on the outer circumferential surface of the film splitting roller 32 prick holes on the polytetrafluoroethylene tape 22 to form a reticular polytetrafluoroethylene tape;
step S4: the reticular polytetrafluoroethylene strip is fed into the shredding mechanism 20 through the pair of second tape drawing rollers 32, the shredding roller 25 rotates, and the shredding needles on the outer circumferential surface of the shredding roller 25 shred the reticular polytetrafluoroethylene strip 22 into the fibers;
step S5: the fiber filaments are gathered into bundles by a buncher 26, and the bundled fiber filaments are wound on a take-up roller 28 to realize take-up.
If the utility model discloses or relates to parts or structures which are fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.
Any part provided by the utility model can be assembled by a plurality of independent components or can be manufactured by an integral forming process.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.
Claims (9)
1. A polytetrafluoroethylene short fiber molding production device is characterized in that: including unwinding mechanism, tension mechanism, membrane that sets gradually split mechanism and dig silk mechanism, tension mechanism's upside is equipped with sintering machine and constructs, the polytetrafluoroethylene strip of unwinding mechanism output carries to tension mechanism after sintering machine constructs the sintering, membrane splits mechanism and will prick into netted through the polytetrafluoroethylene strip after tension mechanism stretches, dig silk mechanism with netted polytetrafluoroethylene strip and dig into the cellosilk.
2. The polytetrafluoroethylene staple fiber molding production device according to claim 1, wherein: the membrane splitting mechanism comprises a pair of membrane splitting rollers which are arranged up and down, a plurality of needle rows are uniformly distributed on the outer circumferential surface of each membrane splitting roller, each needle row comprises a plurality of puncture needles which are uniformly distributed along the axial direction of each puncture roller and used for puncturing holes in polytetrafluoroethylene strips, and the puncture needles extend along the radial direction of the membrane splitting rollers.
3. The polytetrafluoroethylene staple fiber molding production device according to claim 1, wherein: the shredding mechanism comprises a shredding roller, and a plurality of shredding needles are arranged on the outer circumferential surface of the shredding roller.
4. The polytetrafluoroethylene staple fiber molding production device according to claim 1, wherein: the bundling device is characterized by further comprising a buncher used for gathering a plurality of fibers planed by the fiber planing mechanism into bundles, wherein a take-up mechanism used for winding the fibers into bundles is arranged on one side of the buncher, which is far away from the fiber planing mechanism.
5. The polytetrafluoroethylene staple fiber molding production device according to claim 4, wherein: the take-up mechanism comprises at least one take-up roller, and the take-up roller is driven by the ball screw mechanism to move along the axial direction.
6. The polytetrafluoroethylene staple fiber molding production device according to claim 1, wherein: the stretching mechanism comprises two rows of stretching roller sets which are vertically distributed, the stretching roller sets comprise a plurality of stretching rollers which are distributed at intervals along the conveying direction of the polytetrafluoroethylene strip, and the stretching rollers of the upper and lower adjacent stretching roller sets are arranged along the transverse dislocation.
7. The polytetrafluoroethylene staple fiber molding production device according to claim 1, wherein: a pair of first strip pulling rollers arranged on the left and right sides is arranged between the stretching mechanism and the film splitting mechanism, a cooling roller is arranged between the pair of first strip pulling rollers and the stretching mechanism, and a cooling oil duct is arranged inside the cooling roller; and a pair of second belt pulling rollers which are arranged up and down is arranged between the film splitting mechanism and the shredding mechanism.
8. The polytetrafluoroethylene staple fiber molding production device according to claim 1, wherein: the unwinding mechanism comprises a rack, a loading and unloading swing rod which is driven by a driving mechanism to swing up and down is hinged to the rack, and a hook part for placing the charging barrel is arranged at the top of the loading and unloading swing rod; the driving mechanism comprises a first air cylinder, the tail end of a cylinder body of the first air cylinder is hinged with the rack, a piston rod of the first air cylinder is hinged with the non-end part of the loading and unloading swing rod, and the bottom of the loading and unloading swing rod is hinged with the rack.
9. The polytetrafluoroethylene staple fiber molding production device of claim 8, wherein: the loading and unloading swing rods are bilaterally symmetrically positioned between the left vertical side wall and the right vertical side wall of the rack, the two loading and unloading swing rods are connected into a whole through the connecting rod, and openings of the hook parts are upward; the top parts of the left and right vertical side walls of the rack are provided with round notches, the round notches are used for coaxially placing end bearings of the charging barrel which swings upwards, notches of the round notches face the loading and unloading swing rod, upward extending parts are fixedly arranged on the sides, close to the lower swing, of the openings, and pressing blocks used for leaning against the periphery of the side of the notches of the end bearings are screwed on the side faces of the extending parts; the charging barrel comprises a barrel body, end bearings are arranged on the pin shafts which are coaxial at two ends of the barrel body, the loading and unloading swing rods are located between the end bearings at the same side and the end face of the barrel body at the same side, a driven gear is arranged outside the rack on one pin shaft, a driving gear which is driven to rotate by a motor is arranged on the rack, and the driven gear of the charging barrel on the loading and unloading swing rods which are swung in place is meshed with the driving gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202023121691.0U CN215668312U (en) | 2020-12-22 | 2020-12-22 | Polytetrafluoroethylene short fiber forming production device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023121691.0U CN215668312U (en) | 2020-12-22 | 2020-12-22 | Polytetrafluoroethylene short fiber forming production device |
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| CN202023121691.0U Active CN215668312U (en) | 2020-12-22 | 2020-12-22 | Polytetrafluoroethylene short fiber forming production device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112575400A (en) * | 2020-12-22 | 2021-03-30 | 福建省骏旗机械工贸有限公司 | Polytetrafluoroethylene short fiber forming production device and working method thereof |
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2020
- 2020-12-22 CN CN202023121691.0U patent/CN215668312U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112575400A (en) * | 2020-12-22 | 2021-03-30 | 福建省骏旗机械工贸有限公司 | Polytetrafluoroethylene short fiber forming production device and working method thereof |
| CN112575400B (en) * | 2020-12-22 | 2023-10-20 | 福建省骏旗机械工贸有限公司 | Polytetrafluoroethylene short fiber forming production device and working method thereof |
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