CN104015338A - Variable sizing sleeve - Google Patents
Variable sizing sleeve Download PDFInfo
- Publication number
- CN104015338A CN104015338A CN201410260836.5A CN201410260836A CN104015338A CN 104015338 A CN104015338 A CN 104015338A CN 201410260836 A CN201410260836 A CN 201410260836A CN 104015338 A CN104015338 A CN 104015338A
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- CN
- China
- Prior art keywords
- sizing
- sizing tube
- helicoid
- elasticity
- calibration sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a variable sizing sleeve which comprises an elastic reducing sizing pipe and a sizing pipe fixing bracket, wherein the sizing pipe is connected through the sizing pipe fixing bracket, the inner diameters of two ends of the sizing pipe are more than the inner diameter of a middle section of the sizing pipe, a hollow sizing pipe body is formed by interweaving an elastic sizing spiral surface and an elastic support spiral surface in a layering manner, the elastic sizing spiral surface and the elastic support spiral surface are respectively formed by spinning and twisting a plurality of curved-surface elastic sheets in a left spinning direction or a right spinning direction, a reducing adjusting mechanism is arranged at the middle of the pipe body, and the rear part of the pipe body is telescopically connected with the sizing pipe fixing bracket in a sliding manner. According to the flexibility of the spiral structure, the preparation size of the variable sizing sleeve can be changed; the inner diameter of an opening of the sizing pipe is more than that of the pipe body, and thus the problems of overlarge foaming of a thermoplastic material and blockage of a sleeve opening are prevented.
Description
Technical field
The present invention relates to a kind of diameter-setting equipment of plastic pipe extruder, relate in particular to the variable calibration sleeve of a kind of thermoplastic material, belong to plastic pipe extrusion modling machinery apparatus field.
Background technology
In the process of plastic pipe extrusion modling, the sizing of tubing and preliminary coolingly completed by diameter-setting equipment, diameter-setting equipment is the vitals that determines pipe sizing, its structure because of adopted sizing method different.According to the applicant understood, the cooling sizing tube of plastic flexible tube extruder adopts cylindrical shape copper sleeve more, the periphery of sleeve pipe is provided with some vacuum tanks, for example: application number is that 201210088768.X, Granted publication number are the Chinese utility model patent of CN103358532A (title: tube material sizing sleeve).The vacuum tank structure in the Vacuum shaping district of tubing vacuum sizing sleeve, smaller near entry position groove width, be generally 1～1.5mm, and arrange to such an extent that compare comparatively dense, because pipe now just begins to cool down, temperature is high, softer, if groove width too conference makes tube surface inspiration wherein, and has influence on presentation quality.Along with the pipe hardening that is cooled gradually, groove width can be increased to 3～4mm, and separation also can strengthen.
Yet applicant finds after deliberation, 1. the size of existing tubing vacuum sizing sleeve is fixing, and the preparation size of calibration sleeve can not change along with the demand of product.2. the running-on of existing tubing vacuum sizing sleeve and the diameter of body equate, when thermoplastic material foams when excessive, the running-on of calibration sleeve can be plugged, and along with subsequent thermal moulding material continues to pass through, material can stop up and expand in running-on accumulation, cause producing a large amount of waste materials.
Summary of the invention
Technical problem to be solved by this invention is, overcome the shortcoming of prior art, a kind of variable calibration sleeve is provided, utilize the retractility of helical structure can change the preparation size of product, the internal diameter of the mouth of pipe of sizing tube is greater than the diameter of body, avoid occurring that thermoplastic material foaming is excessive, the problem that running-on stops up.
In order to solve above technical problem, the invention provides a kind of variable calibration sleeve, comprise sizing tube and sizing tube fixed support, sizing tube connects by sizing tube fixed mount, sizing tube is elasticity reducing sizing tube, the internal diameter at sizing tube two ends is greater than the internal diameter of sizing tube interlude, its body is that elasticity sizing helicoid and the layering of resiliency supported helicoid are woven into hollow body, elasticity sizing helicoid and resiliency supported helicoid are respectively many curved surface shell fragments and with left-handed or clockwise direction, screw the helicoid forming, at body middle part, be provided with reducing governor motion, body rear portion is that sliding extension is connected with sizing tube fixed support.
The curved surface shell fragment of sizing tube dextrorotation plays telescopic action, left-handed curved surface shell fragment play fixed supporting role, when input slotted eye thermoplastic material foams excessive, rely on the retractility of helical structure, during subsequent material input, the excessive thermoplastic material that foams can be pushed into sizing tube, avoids stopping up in the accumulation of input slotted eye.Meanwhile, reducing is reconciled mechanism and flexible connector is used in conjunction with the internal diameter that can regulate sizing tube interlude, prepares the product of different size.
The technical scheme that the present invention further limits is: the resiliency supported helicoid spiral of elasticity reducing sizing tube body is covered on elasticity sizing helicoid, and the resiliency supported helicoid hand of spiral is contrary with the elasticity sizing helicoid hand of spiral.
Preferably, sizing tube fixed support comprises forward and backward ring flange, connecting screw rod, attaching nut, at forward and backward ring flange upper periphery, be arranged with screw rod connecting hole, the two ends of connecting screw rod are connected with forward and backward ring flange by attaching nut through screw rod connecting hole respectively, the center position input through hole that the corresponding body front and back end port bore being provided with elasticity reducing sizing tube matches respectively on forward and backward ring flange, the front end of elasticity reducing sizing tube body is fixedly connected with forward flange dish, and rear end is connected with rear stub sliding extension.
Preferably, the rear end of elasticity reducing sizing tube body and rear stub telescopic moving mechanism are for being provided with slip notch or slide key in the shell fragment end of elasticity reducing sizing tube body rear end, corresponding slide key or the slip notch of being provided with respectively at rear stub and shell fragment link position place, elasticity reducing sizing tube body rear end, slip notch clamping slide key, and form with it moving sets.
Preferably, reducing governor motion comprises regulating flange dish, set screw, spring, connection regulate compressing tablet, in the periphery of regulating flange dish, be uniformly distributed and be provided with adjusting screw, the upper correspondence of interior week of regulating flange dish is uniformly distributed and is provided with gathering sill, and set screw connects adjusting compressing tablet by the spring being arranged in gathering sill after regulating screw, regulates compressing tablet and body to touch.
Preferably, regulating the face that touches of compressing tablet and body is arc, regulates compressing tablet to comprise contiguous block, a termination spring of contiguous block, and its other end connects compressing tablet, and contiguous block is connected in gathering sill, and forms moving sets with it.
Preferably, the gap between the curved surface shell fragment that equidirectional spiral screws is 1/3rd of curved surface shell fragment width.
Preferably, the width of curved surface shell fragment is 5-100mm.
Preferably, the internal diameter at sizing tube two ends is 200-300mm.
Preferably, sizing tube adopts at least four curved surface shell fragment spirals to screw and is interwoven, one end of sizing tube is connected with forward flange dish, the sizing tube other end is connected in rear stub by contracting travel mechanism sliding extension, contracting travel mechanism comprises substrate, the centre of substrate is provided with along the axially extended telescopic chute of sizing tube, the telescopic end clamping telescopic chute of curved surface shell fragment, and form with it moving sets, before, on rear stub and regulating flange dish, be equipped with four connecting holes, at least four connecting screw rods of correspondence by connecting hole by forward flange dish, regulating flange dish, rear stub is sequentially integrally connected.
The invention has the beneficial effects as follows: 1. utilize the retractility of helical structure and the internal diameter that ductility can change sizing tube body, according to preparation, require the internal diameter of the mouth of pipe of required internal diameter 2. sizing tubes of modification to be greater than the diameter of body, avoid occurring that thermoplastic material foaming is excessive, the problem that running-on stops up, reduce waste material, improved the efficiency of preparation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is regulating flange structural representation in embodiment 1.
Fig. 3 is the adjusting tabletting structure schematic diagram of reconciling flange arrangement in embodiment 1.
Fig. 4 is the structural representation of flexible connector in embodiment 1.
The specific embodiment
embodiment 1
A kind of variable calibration sleeve that the present embodiment provides, as shown in Figure 1, comprise sizing tube 1 and sizing tube fixed support 10, sizing tube 1 connects by sizing tube fixed mount 10, sizing tube 1 is elasticity reducing sizing tube, and the internal diameter at sizing tube 1 two ends is that the internal diameter of 300mm, sizing tube interlude is 200mm; Its body is that elasticity sizing helicoid and the layering of resiliency supported helicoid are woven into hollow body, elasticity sizing helicoid and resiliency supported helicoid are respectively many curved surface shell fragments 5 and with left-handed or clockwise direction, screw the helicoid forming, the width of curved surface shell fragment 5 is 15mm, at body middle part, be provided with reducing governor motion 4, body rear portion and sizing tube fixed support 10 are connected for sliding extension.
The resiliency supported helicoid spiral of elasticity reducing sizing tube body is covered on elasticity sizing helicoid, and the resiliency supported helicoid hand of spiral is contrary with the elasticity sizing helicoid hand of spiral.
Before sizing tube fixed support 10 comprises, rear stub 2, 3, connecting screw rod 9, attaching nut 11, front, rear stub 2, 3 upper peripheries are arranged with screw rod connecting hole, attaching nut 11 is passed through with front through screw rod connecting hole respectively in the two ends of connecting screw rod 9, rear stub 2, 3 connect, before, rear stub 2, the center position input through hole that the corresponding body front and back end port bore being provided with elasticity reducing sizing tube matches respectively on 3, the front end of elasticity reducing sizing tube 1 body is fixedly connected with forward flange dish 2, rear end is connected with rear stub 3 sliding extensions, forward flange dish 2 is provided with cooling system 6, for calibration sleeve is fixed on the machine.
The rear end of elasticity reducing sizing tube 1 body and rear stub 3 telescopic moving mechanisms 8 are for being provided with slip notch or slide key in the shell fragment end of elasticity reducing sizing tube body rear end, corresponding slide key or the slip notch of being provided with respectively at rear stub and shell fragment link position place, elasticity reducing sizing tube body rear end, slip notch clamping slide key, and form with it moving sets.
Reducing governor motion 4 as shown in Figure 2, comprise regulating flange dish 4-9, set screw 4-3, spring 4-4, connection regulate compressing tablet 4-7, in the periphery of regulating flange dish 4-9, be uniformly distributed to be provided with and regulate screw 4-1, the upper correspondence of interior week of regulating flange dish 4-9 is uniformly distributed and is provided with gathering sill 4-2, and set screw 4-3 connects adjusting compressing tablet 4-5 by the spring 4-4 being arranged in gathering sill 4-2 after regulating screw, regulates compressing tablet 4-5 and body to touch.
Regulate compressing tablet 4-5 as shown in Figure 3, with the face that touches of body be arc, regulate compressing tablet 4-5 to comprise contiguous block 4-6, the axis of symmetry of arc is provided with protruding block 4-8, protruding block 4-8 connects contiguous block 4-6, a termination spring 4-4 of contiguous block 4-6, and its other end connects compressing tablet 4-7, contiguous block 4-6 is connected in gathering sill 4-2, and forms with it moving sets.
Gap between the curved surface shell fragment 5 that equidirectional spiral screws is 5mm, is 1/3rd of curved surface shell fragment 5 width.
Sizing tube adopts at least four curved surface shell fragment 5 spirals to screw and is interwoven, one end of sizing tube 1 is connected 2 with forward flange dish, sizing tube 1 other end is connected in rear stub 3 by contracting travel mechanism 8 sliding extensions, contracting travel mechanism 8 as shown in Figure 4, comprise substrate, comprise substrate 8-1, the centre of substrate 8-1 is provided with along the axially extended telescopic chute 8-2 of sizing tube, the telescopic end clamping telescopic chute 8-2 of curved surface shell fragment 5, and form with it moving sets, before, rear stub 2, 3 and regulating flange dish 4-9 on be equipped with four connecting holes, correspondence at least four connecting screw rods 9 by connecting hole by forward flange dish, regulating flange dish, rear stub is sequentially integrally connected.
The curved surface shell fragment of sizing tube dextrorotation plays telescopic action, left-handed curved surface shell fragment play fixed supporting role, when input slotted eye thermoplastic material foams excessive, rely on the retractility of helical structure, during subsequent material input, the excessive thermoplastic material that foams can be pushed into sizing tube, avoids stopping up in the accumulation of input slotted eye.Meanwhile, regulating flange and flexible connector are used in conjunction with and can regulate the internal diameter of sizing tube interlude at 150mm-250mm, prepare the product of different size.
The invention has the advantages that: 1. utilize the retractility of helical structure and the internal diameter that ductility can change sizing tube body, according to preparation, require the internal diameter of the mouth of pipe of required internal diameter 2. sizing tubes of modification to be greater than the diameter of body, avoid occurring that thermoplastic material foaming is excessive, the problem that running-on stops up, reduce waste material, improved the efficiency of preparation.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (10)
1. a variable calibration sleeve, comprise sizing tube and sizing tube fixed support, described sizing tube connects by described sizing tube fixed mount, it is characterized in that: described sizing tube is elasticity reducing sizing tube, the internal diameter at described sizing tube two ends is greater than the internal diameter of sizing tube interlude, its body is that elasticity sizing helicoid and the layering of resiliency supported helicoid are woven into hollow body, described elasticity sizing helicoid and resiliency supported helicoid are respectively many curved surface shell fragments and with left-handed or clockwise direction, screw the helicoid forming, at body middle part, be provided with reducing governor motion, body rear portion is that sliding extension is connected with sizing tube fixed support.
2. a kind of variable calibration sleeve according to claim 1, it is characterized in that: the resiliency supported helicoid spiral of described elasticity reducing sizing tube body is covered on elasticity sizing helicoid, the described resiliency supported helicoid hand of spiral is contrary with the described elasticity sizing helicoid hand of spiral.
3. a kind of variable calibration sleeve according to claim 1 and 2, it is characterized in that: before sizing tube fixed support comprises, rear stub, connecting screw rod, attaching nut, before described, rear stub upper periphery is arranged with screw rod connecting hole, the two ends of described connecting screw rod respectively through described screw rod connecting hole by described attaching nut and described before, rear stub connects, before described, the center position input through hole that the corresponding body front and back end port bore being provided with described elasticity reducing sizing tube matches respectively in rear stub, the front end of described elasticity reducing sizing tube body is fixedly connected with forward flange dish, rear end is connected with rear stub sliding extension.
4. a kind of variable calibration sleeve according to claim 3, it is characterized in that: the rear end of described elasticity reducing sizing tube body and rear stub telescopic moving mechanism are for being provided with slip notch or slide key in the shell fragment end of elasticity reducing sizing tube body rear end, corresponding slide key or the slip notch of being provided with respectively at rear stub and shell fragment link position place, elasticity reducing sizing tube body rear end, slide key described in the clamping of described slip notch, and form with it moving sets.
5. a kind of variable calibration sleeve according to claim 1, it is characterized in that, described reducing governor motion comprises regulating flange dish, set screw, spring, connection regulate compressing tablet, be uniformly distributed and be provided with adjusting screw in the periphery of described regulating flange dish, and the upper correspondence of interior week of described regulating flange dish is uniformly distributed and is provided with gathering sill, set screw, through connecting adjusting compressing tablet by the spring being arranged in gathering sill after described adjusting screw, regulates compressing tablet and body to touch.
6. a kind of variable calibration sleeve according to claim 5, it is characterized in that, the face that touches of described adjusting compressing tablet and body is arc, regulate compressing tablet to comprise contiguous block, one termination spring of described contiguous block, its other end connects compressing tablet, and described contiguous block is connected in described gathering sill, and forms with it moving sets.
7. according to a kind of variable calibration sleeve claimed in claim 1, it is characterized in that, the gap between the described curved surface shell fragment that equidirectional spiral screws is 1/3rd of described curved surface shell fragment width.
8. according to a kind of variable calibration sleeve described in claim 1 or 7, it is characterized in that, the width of described curved surface shell fragment is 10-30mm.
9. according to a kind of variable calibration sleeve claimed in claim 1, it is characterized in that, the internal diameter at described sizing tube two ends is 200-300mm.
10. according to a kind of variable calibration sleeve claimed in claim 1, it is characterized in that: described sizing tube adopts at least four curved surface shell fragment spirals to screw and is interwoven, one end of sizing tube is connected with forward flange dish, the sizing tube other end is connected in rear stub by telescopic moving mechanism sliding extension, telescopic moving mechanism part comprises substrate, the centre of substrate is provided with along the axially extended telescopic chute of sizing tube, the telescopic end clamping telescopic chute of curved surface shell fragment, and form with it moving sets, before described, on rear stub and described regulating flange dish, be equipped with four connecting holes, at least four connecting screw rods of described correspondence by connecting hole by forward flange dish, regulating flange dish, rear stub is sequentially integrally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410260836.5A CN104015338B (en) | 2014-06-13 | 2014-06-13 | Variable calibration sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410260836.5A CN104015338B (en) | 2014-06-13 | 2014-06-13 | Variable calibration sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104015338A true CN104015338A (en) | 2014-09-03 |
| CN104015338B CN104015338B (en) | 2017-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410260836.5A Expired - Fee Related CN104015338B (en) | 2014-06-13 | 2014-06-13 | Variable calibration sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104015338B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594401A (en) * | 2017-02-28 | 2017-04-26 | 长沙学院 | Combined polygonal reducing pipe |
| CN109049624A (en) * | 2018-08-17 | 2018-12-21 | 海南联塑科技实业有限公司 | A kind of adjustable shaping cover of PVC |
| CN110524835A (en) * | 2019-09-20 | 2019-12-03 | 冯磊 | A kind of plastic tube thermoplastics forming device |
| CN111425672A (en) * | 2020-04-08 | 2020-07-17 | 上海英泰塑胶股份有限公司 | Heat-preservation integrated continuous fiber prepreg tape reinforced composite pipe and processing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189667A (en) * | 2010-03-11 | 2011-09-21 | 上海金纬化纤机械制造有限公司 | Stacked sizing sleeve for plastic pipe production |
| CN102303403A (en) * | 2011-06-12 | 2012-01-04 | 扬州金鑫管业有限公司 | Outside diameter sizing sleeve for steel wire mesh skeleton plastic composite pipe |
| CN103085254A (en) * | 2013-02-21 | 2013-05-08 | 宁波康润机械科技有限公司 | Calibration sleeve with variable diameters |
-
2014
- 2014-06-13 CN CN201410260836.5A patent/CN104015338B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189667A (en) * | 2010-03-11 | 2011-09-21 | 上海金纬化纤机械制造有限公司 | Stacked sizing sleeve for plastic pipe production |
| CN102303403A (en) * | 2011-06-12 | 2012-01-04 | 扬州金鑫管业有限公司 | Outside diameter sizing sleeve for steel wire mesh skeleton plastic composite pipe |
| CN103085254A (en) * | 2013-02-21 | 2013-05-08 | 宁波康润机械科技有限公司 | Calibration sleeve with variable diameters |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594401A (en) * | 2017-02-28 | 2017-04-26 | 长沙学院 | Combined polygonal reducing pipe |
| CN106594401B (en) * | 2017-02-28 | 2018-05-25 | 长沙学院 | A kind of assembly type polygon reducer pipe |
| CN109049624A (en) * | 2018-08-17 | 2018-12-21 | 海南联塑科技实业有限公司 | A kind of adjustable shaping cover of PVC |
| CN110524835A (en) * | 2019-09-20 | 2019-12-03 | 冯磊 | A kind of plastic tube thermoplastics forming device |
| CN110524835B (en) * | 2019-09-20 | 2021-06-04 | 嘉善鸿达塑业股份有限公司 | Plastic pipe thermoplastic molding device |
| CN111425672A (en) * | 2020-04-08 | 2020-07-17 | 上海英泰塑胶股份有限公司 | Heat-preservation integrated continuous fiber prepreg tape reinforced composite pipe and processing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104015338B (en) | 2017-07-04 |
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Granted publication date: 20170704 Termination date: 20180613 |