CN203854044U - Numerical control rotary-cut machine tool for ultrathin and wide polytef film - Google Patents
Numerical control rotary-cut machine tool for ultrathin and wide polytef film Download PDFInfo
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- CN203854044U CN203854044U CN201420283361.7U CN201420283361U CN203854044U CN 203854044 U CN203854044 U CN 203854044U CN 201420283361 U CN201420283361 U CN 201420283361U CN 203854044 U CN203854044 U CN 203854044U
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Abstract
The utility model discloses a numerical control rotary-cut machine tool for an ultrathin and wide polytef film. The machine tool comprises a main motor, a motor base, a machine head, a machine tail, a cutter bed, a feeding mechanism, a clamping mechanism, a pulling mechanism, a hydraulic mechanism and an electric control mechanism. The machine tool has the advantages that the thickness deviation index of the PTFE film made in a rotary-cut mode meets the requirement, the PTFE film is accepted by professionals and checked and accepted by domestic clients, and the requirements of the production field can be met.
Description
Technical field
The utility model relates to a kind of lathe, especially a kind of numerical control rotary-cut lathe of ultra-thin breadth polytetrafluoroethylene film.
Background technology
Material brief introduction: polytetrafluoroethylene (PTFE) is the polymer of tetrafluoroethene, english abbreviation is PTFE, commodity " teflon " by name are (teflon).By good reputation, being " kings of plastics ", is a kind of engineering plastics with excellent comprehensive performance.Its excellent properties shows the following aspects: the temperature range of use is wide, it can be in the temperature range of-1800C ~+2500C long-term use; Chemical stability is excellent, to the Korrosionsmediums such as almost all strong acid, highly basic, strong oxidizer Fails To Respond all; Excellent electrical insulation capability, the interior dielectric constant of broad frequency range is stable and value is minimum, is subject to hardly the impact of environmental condition and frequency, is desirable C class F insulating material F; Outstanding surface is viscosity not, has surface tension minimum in solid material, and nearly all stickum all can not stick to its surface; Good lubricity, has coefficient of friction (0.04) minimum in plastics, is the ideal material of oil-free lubrication; Resistance to weathering is good, is not subject to oxygen, ozone, action of ultraviolet radiation, exposes all the year round in atmosphere, and surface and properties all remain unchanged; Nonhazardous, has physiology inertia; Extremely valuable noninflammability; Minimum water absorption rate.These excellent performances make polytetrafluoroethylene (PTFE) have a wide range of applications in fields such as defence and military, atomic energy, oil, radio, electric machinery, chemical industry above.
Polytetrafluoroethylene (PTFE) film is widely used in the close filling of liner and the lubriation material of various medium work, and the electrical insulation using under various frequencies, as capacitor dielectric, and wire insulation, electrical instrumentation insulation etc.Due to the physics and chemistry characteristic of polytetrafluoroethylene (PTFE), determined that polytetrafluoroethylene (PTFE) film producing process can only first become clavate blank by polyflon through molding sintering, then made film through rotary-cut.
PTFE fluoroplastics peeler can be used for the fluorine plastic film processing of PTFE class, and bar mandrel is blocked by axis, revolves cutter along the rotary-cut of bar circumferential surface, and bar is cut into film, and according to different purposes, the thickness of film can be 0.03-0.5mm any specification.
Summary of the invention
The purpose of this utility model is to provide a kind of numerical control rotary-cut lathe of ultra-thin breadth polytetrafluoroethylene film, this lathe energy high accuracy, high-performance rotary-cut wide format PTFE class film.
The technical solution of the utility model is: a kind of numerical control rotary-cut lathe of ultra-thin breadth polytetrafluoroethylene film, this lathe comprises main motor, support, head, tail, cutter bed, delivering gear, clamping device, jacking mechanism, hydraulic system and electric-control system.The main mechanical part of lathe and transmission mechanism are all contained on lathe bed support, support both sides are provided with left axis case and right axis case, between left and right axis case, be provided with mandrel, mandrel by movable axis, clamping device, fixedly axis is connected with left and right axis case, between left and right axis upper box part, is provided with pull bar.The outside of left axis case is provided with jacking mechanism; Left and right axis case lower inside is provided with main orbit, and left and right axis case middle inside is provided with the auxiliary rail of pressing; Cutter bed comprises extruding grillage and knife rest, extruding grillage is arranged on knife rest, revolves cutter and is fixed on knife rest with screw rod, and revolving cutter overhang can adjust by the push rod of knife rest bottom, extruding chi is fixed on extruding grillage with screw and pressing plate, and extruding chi overhang regulates by adjusting screw; Knife rest is arranged on the slide block of two secondary main guide rails, and one end of main guide rail is provided with feed mechanism and feed screw, and hydraulic system is connected with the oil cylinder of tail main shaft by hydraulic oil pipe, and oil cylinder is fixed on the casing of tail, and the movable main shaft of incorporating mill tail is connected.
Afterbody at mandrel is equipped with rotary encoder, for detection of the rotating speed of main shaft.
The feeding motor via reducer of feed mechanism drives a pair of feed screw to rotate, thereby realizes the driving of cutter setting frame advance and retreat.
The clamping mandrel of clamping device adopts thick-wall seamless, and head spindle stiff end adopts with transferring power after the axis centering of tapering; Tail movable end also adopts the axis centering with tapering, is Partner, and its main shaft is movable.
Left and right axis axis unanimously keeps level.
The utility model has the advantage of: rotary-cut polytetrafluoroethylene (PTFE) film gauge variation index out reaches requirement, obtained the examination of professional person's approval and domestic correspondent, can meet production field necessary requirement.
Accompanying drawing explanation
Fig. 1 is the numerical control peeler bed structure schematic diagram of a kind of ultra-thin breadth polytetrafluoroethylene film of the utility model;
Fig. 2 is the numerical control rotary-cut lathe top view of a kind of ultra-thin breadth polytetrafluoroethylene film of the utility model.
The specific embodiment
A numerical control rotary-cut lathe for ultra-thin breadth polytetrafluoroethylene film, this lathe comprises main motor, support 2, head, tail, cutter bed, delivering gear, clamping device, jacking mechanism, hydraulic system 18 and electric-control system 13; The main mechanical part of lathe and transmission mechanism are all contained on lathe bed support 2, support both sides are provided with left axis case 3 and right axis case 12, between left and right axis case, be provided with mandrel, mandrel passes through movable axis 16, clamping device 17, fixedly axis 11 is connected with left and right axis case 3,12, between left and right axis upper box part, is provided with pull bar 8.The outside of left axis case 3 is provided with jacking mechanism 1; Left and right axis case lower inside is provided with main orbit 4, and left and right axis case middle inside is provided with the auxiliary rail 5 of pressing.
Cutter bed comprises extruding grillage and knife rest 6, and extruding grillage is arranged on knife rest, and knife rest is arranged on the slide block of two secondary main guide rails 4, and two width main guide rails 4 are separately fixed on the box body guide rail installed surface of head, tail.
One end of main guide rail 4 is provided with feed mechanism 14 and feed screw 15, hydraulic system 18 is connected with the oil cylinder of tail main shaft by hydraulic oil pipe, oil cylinder is fixed on the casing of tail, and the movable main shaft of incorporating mill tail is connected, and realizes the axial stretching of the movable main shaft of tail by the stretching motion of oil cylinder.
Support has stability, makes two axis axis unanimously keep level, and in rotary-cut loading process, keeps stable.Main motor DC motor is connected with reductor, reductor is fixed on the casing of head, and be connected with head spindle, active force is after decelerator slows down, by transmission of power to head and tail main shaft, realize rotatablely moving of machine tool chief axis, head spindle is fixed, can not realize axial stretching motion.Afterbody at main shaft is equipped with rotary encoder, for detection of the rotating speed of main shaft.Cutter bed is by pushing grillage and knife rest 6 forms, and extruding grillage is arranged on knife rest, and knife rest is arranged on the slide block of two secondary line slideways, and two width line slideways are separately fixed on the box body guide rail installed surface of head, tail.Knife rest adopts the nonadjustable version of relief angle, and knife rest motion should have enough dampings (being back pressure).Revolve cutter 7 use screw rods and be fixed on knife rest 6, revolving cutter 7 overhangs can adjust by the push rod of knife rest bottom.Extruding chi 10 use screws and pressing plate are fixed on extruding grillage 9, and extruding chi 10 overhangs regulate by adjusting screw.Feeding motor is connected in the outside of a worm reduction gear, and is connected to another worm reduction gear, drives a pair of ball screw to rotate, and realizes cutter setting frame forward and motion backward.Hydraulic system 18 is connected with the oil cylinder of tail main shaft by hydraulic oil pipe, and oil cylinder is fixed on the casing of tail, and the movable main shaft of incorporating mill tail is connected, and realizes the axial stretching of the movable main shaft of tail by the stretching motion of oil cylinder.Mandrel two ends band tapering and draw-in groove, hollow blank is stuck in the middle of mandrel, and after the axis of head spindle stiff end band tapering and the centering of the axis of tail movable end band tapering, the movable main shaft of tail stretches out clamping mandrel, and transferring power, band moving mandrel and blank are done gyration.
Main motor and lathe bed base: main motor DC motor, after decelerator slows down, to head and tail main shaft, is realized rotatablely moving of machine tool chief axis by transmission of power, wherein final drive shaft can divide three sections with case butt coupling, to be connected.
Head: main transmission is directly driven by reductor, drives the rotation of head fixed main shaft.Head spindle is fixed, can not realize axial stretching motion.Afterbody at main shaft is equipped with rotary encoder, for detection of the rotating speed of main shaft.
Tail: the power that main transmission can be passed over by head reaches tail main shaft by a series of transmission mechanisms, drives the rotation of tail main shaft.
Cutter bed: cutter bed is by pushing grillage and knife rest forms.Knife rest and extruding grillage should have enough rigidity and intensity, and blade and extruding chi length are 1500 mm.Both sides dress is drawn cutter, and designing maximum rotary-cut diameter is φ 500mm.Knife rest adopts the nonadjustable version of relief angle, and knife rest motion should have enough dampings (being back pressure).Extruding grillage is arranged on knife rest, can realize automatic adjustment cutter door gap.Knife rest is arranged on two secondary line slideways, and dynamic and static friction difference is little, and low speed moves steadily evenly, without creeping, has high rigidity.Knife rest is by screw rod transmission, and realization moves forwards or backwards;
Revolve cutter and be fixed on knife rest with screw rod, revolving cutter overhang can adjust by the push rod of knife rest bottom.
Extruding chi is fixed on extruding grillage with screw and pressing plate, and extruding chi overhang regulates by adjusting screw.
Because the blank plasticity of film is large, very responsive to cutting tool, take into full account cutting edge linearity and the problem such as roughness, sharp degree and durability of cutter.To cutter require there is high hardness (HRC68-HRC72), enough intensity and toughness, good anti-stick property and grinding performance better etc.It is 30 ° that tool grinding angle is fixed tentatively, and back angle is 2 °～5 ° (controlling when whetting a knife).
During design, taken into full account the thermal deformation problem of extruding chi and blade.
Delivering gear: feeding motor via reducer drives a pair of ball screw to rotate, thus realize the driving of cutter setting frame advance and retreat.The fast advance and retreat of knife rest and work feed are separately to control.High-precision rotary encoder is equipped with in one end of feeding universal driving shaft, for detection of the position of revolving cutter.
Clamping device: clamping mandrel adopts thick-wall seamless to make, head spindle stiff end adopts with transferring power after the axis centering of tapering; Tail movable end also adopts the axis centering with tapering, is Partner, and its main shaft is movable, can realize axial free-extension, the clamping of mandrel, unclamp action and moved to realize by hydraulic jack, clamping accurately and reliably, easy to operate.
Hydraulic system: hydraulic system should be able to provide power for the action of the telescopic oil cylinder of tail main shaft.Require stretching speed and the pressure of oil cylinder all adjustable, have machinery-electric automatic protection functions, guarantee that pressure is constant in rotary-cut process, and do not reach setting pressure and cannot carry out rotary-cut.
Claims (5)
1. a numerical control rotary-cut lathe for ultra-thin breadth polytetrafluoroethylene film, is characterized in that: this lathe comprises main motor, support (2), head, tail, cutter bed, delivering gear, clamping device, jacking mechanism, hydraulic system (18) and electric-control system (13); The main mechanical part of lathe and transmission mechanism are all contained on lathe bed support (2), support both sides are provided with left axis case (3) and right axis case (12), between left and right axis case, be provided with mandrel, mandrel passes through movable axis (16), clamping device (17), fixedly axis (11) is connected with left and right axis case (3,12), is provided with pull bar (8) between left and right axis upper box part; The outside of left axis case (3) is provided with jacking mechanism (1); Left and right axis case lower inside is provided with main orbit (4), and left and right axis case middle inside is provided with the auxiliary rail (5) of pressing; Cutter bed comprises extruding grillage (9) and knife rest (6), extruding grillage (9) is arranged on knife rest, revolving cutter (7) is fixed on knife rest (6) with screw rod, revolving cutter (7) overhang can adjust by the push rod of knife rest bottom, it is upper that extruding chi (10) is fixed on extruding grillage (9) with screw and pressing plate, and extruding chi (10) overhang regulates by adjusting screw; Knife rest is arranged on the slide block of two secondary main guide rails (4), and one end of main guide rail (4) is provided with feed mechanism (14) and feed screw (15), and hydraulic system (18) is connected with the oil cylinder of tail main shaft by hydraulic oil pipe, and oil cylinder is fixed on the casing of tail.
2. the numerical control rotary-cut lathe of ultra-thin breadth polytetrafluoroethylene film according to claim 1, is characterized in that: the afterbody at mandrel is equipped with rotary encoder, for detection of the rotating speed of main shaft.
3. the numerical control rotary-cut lathe of ultra-thin breadth polytetrafluoroethylene film according to claim 1, is characterized in that: the feeding motor via reducer of feed mechanism (14) drives a pair of feed screw (15) to rotate, thereby realizes the driving of cutter setting frame advance and retreat.
4. the numerical control rotary-cut lathe of ultra-thin breadth polytetrafluoroethylene film according to claim 1, is characterized in that: the clamping mandrel of clamping device (14) adopts thick-wall seamless, and head spindle stiff end adopts with transferring power after the axis centering of tapering; Tail movable end also adopts the axis centering with tapering, is Partner, and its main shaft is movable.
5. the numerical control rotary-cut lathe of ultra-thin breadth polytetrafluoroethylene film according to claim 1, is characterized in that: left and right axis axis unanimously keeps level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420283361.7U CN203854044U (en) | 2014-05-30 | 2014-05-30 | Numerical control rotary-cut machine tool for ultrathin and wide polytef film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420283361.7U CN203854044U (en) | 2014-05-30 | 2014-05-30 | Numerical control rotary-cut machine tool for ultrathin and wide polytef film |
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| CN203854044U true CN203854044U (en) | 2014-10-01 |
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| CN201420283361.7U Expired - Fee Related CN203854044U (en) | 2014-05-30 | 2014-05-30 | Numerical control rotary-cut machine tool for ultrathin and wide polytef film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105150255A (en) * | 2015-10-12 | 2015-12-16 | 武汉机床有限责任公司 | Fluorine plastic rotary-cutting device |
-
2014
- 2014-05-30 CN CN201420283361.7U patent/CN203854044U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105150255A (en) * | 2015-10-12 | 2015-12-16 | 武汉机床有限责任公司 | Fluorine plastic rotary-cutting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 338000 Jinxiu Road, Shanggao Science and Technology Industrial Park, Yichun City, Jiangxi Province Patentee after: Jiangxi Sanmei Electrical and Mechanical Equipment Co.,Ltd. Address before: 336400 Jiangxi province Yichun City Jinxiu county science and Technology Industrial Park, No. 23 Patentee before: JIANGXI CHANGDA SANJI SCIENCE & TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190920 Address after: 338000 Yuanhe Economic Development Zone, Yushui District, Xinyu, Jiangxi Patentee after: Jiangxi Three Machinery Technology Co.,Ltd. Address before: 338000 Jinxiu Road, Shanggao Science and Technology Industrial Park, Yichun City, Jiangxi Province Patentee before: Jiangxi Sanmei Electrical and Mechanical Equipment Co.,Ltd. |
|
| 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: 20141001 Termination date: 20210530 |