CN201907202U - Diameter-expanding and forming device of thermoplastic plastic pipes - Google Patents
Diameter-expanding and forming device of thermoplastic plastic pipes Download PDFInfo
- Publication number
- CN201907202U CN201907202U CN2010205268292U CN201020526829U CN201907202U CN 201907202 U CN201907202 U CN 201907202U CN 2010205268292 U CN2010205268292 U CN 2010205268292U CN 201020526829 U CN201020526829 U CN 201020526829U CN 201907202 U CN201907202 U CN 201907202U
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- Prior art keywords
- hole enlargement
- diameter
- expanding
- shaped device
- cone
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Abstract
The utility model relates to a diameter-expanding and forming device of thermoplastic plastic pipes. The diameter-expanding and forming device comprises a diameter-expanding and forming device body, a fixing component, and a heater for heating the diameter-expanding and forming device body and preserving the heat thereof, wherein the diameter-expanding and forming device body comprises a rotating hand wheel, a double-head screw rod, a semi-ring, a fixing plate, conical bodies and a diameter-expanding module; the double-head screw rod is axially positioned on the fixing plate through the semi-ring; the rotating hand wheel is arranged at the top of the double-head screw rod; the conical bodies comprise a pair of conical bodies of which the pointed ends are opposite, and are respectively screwed at the two ends of the double-head screw rod; the double-head screw rod is used for controlling the conical bodies to axially move in the opposite/reverse direction; the diameter-expanding module comprises a plurality of active blocks and servo blocks, which are parallel to the axis of the double-head screw rod, and an O-shaped elastic ring surrounding the active blocks and the servo blocks to form a whole; and the inner wall of the diameter-expanding module is pressed and stuck to the conical surfaces of the conical bodies. The diameter-expanding and forming device is suitable for integrally forming the end parts of various thermoplastic plastic pipes, and has the characteristics of simple structure, simple and convenient operating procedure and high forming accuracy.
Description
Technical field
The utility model relates to the hole enlargement shaped device that a kind of thermoplasticity is moulded pipe, belongs to the plastic shaping field.
Background technology
At present all to mould pipe be extrusion molding, be straight tube entirely, as meet and mould the place that tube end needs dilated diameter or is processed into given shape, generally be to adopt the method for injection moulding to produce pipe joint, method with plastic cement or welding links together with joint moulding pipe then, manufacturing cost is than higher like this, the place high as some seal request, the performance of pipe joint does not often reach requirement, especially for interior plastics lined pipe, adopt pipe joint also inapplicable, at this moment, needs are a kind of can be to moulding the device that tube end carries out global formation.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, easy to operate thermoplasticity to mould pipe hole enlargement shaped device.
The technical scheme that the utility model adopted is: a kind of thermoplasticity is moulded the hole enlargement shaped device of pipe, comprise hole enlargement shaped device body, fixation kit and the heater that hole enlargement shaped device body is carried out heat tracing, it is characterized in that: described hole enlargement shaped device body comprises rotation hand wheel, the double end screw mandrel, semi-ring, fixed head, cone, the hole enlargement module, described double end screw mandrel passes through the semi-ring axial location on fixed head, bipitch silk masthead end is provided with rotation hand wheel, described cone is made up of the relative cone in a pair of tip, be threaded onto the two ends of double end screw mandrel respectively, double end screw mandrel control cone axis is to moving relative to/rightabout, described hole enlargement module constitutes by some lobes active piece parallel with the bipitch silk rod axis and follower block and with the O shape elastic ring that they surround one, and hole enlargement module inwall overlays on the cone conical surface.Have at least one to be connected with the double end screw mandrel in the described cone by swivel nut.Described O shape elastic ring can be arranged on the hole enlargement module up and down in the groove at two ends.
The hole enlargement shaped device that a kind of thermoplasticity of the utility model is moulded pipe is applicable to that various thermoplasticity mould the global formation of tube end, has characteristics simple in structure, that operational sequence is easy, formed precision is high.
Description of drawings
Fig. 1 is the utility model working state schematic representation;
Fig. 2 is the vertical view of Fig. 1 along the A-A line;
Fig. 3 is a hole enlargement shaped device body construction schematic diagram of the present utility model;
Fig. 4 is hole enlargement module of the present utility model cross section along B-B line among Fig. 3 when radially dwindling;
Fig. 5 be hole enlargement module of the present utility model radially during spreading along the cross section of B-B line among Fig. 3.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and embodiments.
As shown in the figure, a kind of thermoplasticity of the utility model hole enlargement shaped device of moulding pipe comprises hole enlargement shaped device body 1, fixation kit and the heater that hole enlargement shaped device body is carried out heat tracing.
Hole enlargement shaped device body 1 comprises rotation hand wheel 101, double end screw mandrel 102, semi-ring 104, fixed head 106, rectangular pyramid 108, hole enlargement module 109, rotation hand wheel 101 is installed in double end screw mandrel 102 tops, double end screw mandrel 102 passes through semi-ring 104 axial location on fixed head 106, and push down semi-ring 104 by pressing plate 103, two relative rectangular pyramids 108 in tip are threaded onto double end screw mandrel 102 two ends, wherein Shang Fang cone is passed through guide finger 105 axial location on fixed head 106, produce deflection when avoiding cone to rotate, the rectangular pyramid of below is connected with double end screw mandrel 102 by swivel nut 111, so that go up the conical surface alignment of lower cone, two rectangular pyramids of double end screw mandrel 102 control 108 axially move relative to/rightabout, hole enlargement module 109 constitutes by the 4 lobes active piece 112 parallel with double end screw mandrel 102 axis and follower block 113 and with the tension spring 110 that they surround one, hole enlargement module 109 inwalls overlay on the conical surface of rectangular pyramid 108, tension spring 110 is arranged in the groove at hole enlargement module two ends about in the of 109, and initiatively piece 112 and follower block 113 flexibly connect by distance screws 107 and fixed head 106 respectively.Hole enlargement module 109 radially during spreading its profile be a smooth cylinder or cylinder with given shape, be a cylinder when radially dwindling with many axial notches.
Fixation kit of the present utility model comprises fixed support 2, anchor clamps 3, and employed heater is a strip heater.
The operation principle of hole enlargement shaped device that a kind of thermoplasticity of the utility model is moulded pipe is as follows:
At first place strip heater to heat expander body 1 and be incubated, to mould pipe 4 during moulding inserts in the die sleeve 5 that matches with it and location in fixed support 2, the hole enlargement shaped device body 1 that will be heated to design temperature (softening temperature that is generally plastic pipe is to the melting temperature scope) places on the fixed support 2, and it is fixing with anchor clamps 3, rotate rotation hand wheel 101, double end screw mandrel 102 drives two rectangular pyramids 108 and moves in opposite directions, and drive initiatively radially spreading of piece 112 and follower block 113, make and mould pipe 4 thermoplastics, hole enlargement is to design size, stop the several seconds, backward rotation rotation hand wheel 101, double end screw mandrel 102 drives rectangular pyramid 108 rightabouts and moves, and hole enlargement module 109 is radial contraction under the effect of tension spring 110, and expander contracts to minimum when being threaded to extreme position, open anchor clamps 3, expander body 1 is taken off, place heater, for next working cycles is prepared.
Claims (6)
1. a thermoplasticity is moulded the hole enlargement shaped device of pipe, comprise hole enlargement shaped device body, fixation kit and the heater that hole enlargement shaped device body is carried out heat tracing, it is characterized in that: described hole enlargement shaped device body comprises rotation hand wheel, the double end screw mandrel, semi-ring, fixed head, cone, the hole enlargement module, described double end screw mandrel passes through the semi-ring axial location on fixed head, bipitch silk masthead end is provided with rotation hand wheel, described cone is made up of the relative cone in a pair of tip, be threaded onto the two ends of double end screw mandrel respectively, double end screw mandrel control cone axis is to moving relative to/rightabout, described hole enlargement module constitutes by some lobes active piece parallel with the bipitch silk rod axis and follower block and with the O shape elastic ring that they surround one, and hole enlargement module inwall overlays on the cone conical surface.
2. mould the hole enlargement shaped device of pipe according to the described thermoplasticity of claim 1, it is characterized in that: described cone is a rectangular pyramid.
3. mould the hole enlargement shaped device of pipe according to claim 1 or 2 described thermoplasticity, it is characterized in that: the upper cone in the described cone by the guide finger axial location on fixed head.
4. mould the hole enlargement shaped device of pipe according to claim 1 or 2 described thermoplasticity, it is characterized in that: have at least one to be connected with the double end screw mandrel in the described cone by swivel nut.
5. mould the hole enlargement shaped device of pipe according to the described thermoplasticity of claim 1, it is characterized in that: described O shape elastic ring is arranged on the hole enlargement module up and down in the groove at two ends.
6. mould the hole enlargement shaped device of pipe according to the described thermoplasticity of claim 1, it is characterized in that: described active piece and follower block flexibly connect by distance screws and fixed head respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205268292U CN201907202U (en) | 2010-09-13 | 2010-09-13 | Diameter-expanding and forming device of thermoplastic plastic pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205268292U CN201907202U (en) | 2010-09-13 | 2010-09-13 | Diameter-expanding and forming device of thermoplastic plastic pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201907202U true CN201907202U (en) | 2011-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205268292U Expired - Fee Related CN201907202U (en) | 2010-09-13 | 2010-09-13 | Diameter-expanding and forming device of thermoplastic plastic pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201907202U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103568314A (en) * | 2013-11-06 | 2014-02-12 | 姚能忠 | Method and device for manufacturing PVC-O (biaxially oriented polyvinyl chloride) pipe |
| CN106216538A (en) * | 2016-08-04 | 2016-12-14 | 中南大学 | A kind of major diameter ring mechanical expansion equipment |
| CN109278278A (en) * | 2018-09-28 | 2019-01-29 | 杭州亿通塑胶实业有限公司 | Polyethylene solid wall pipe and its expanding and shaping device |
| CN109435220A (en) * | 2018-09-28 | 2019-03-08 | 杭州亿通塑胶实业有限公司 | Polytene corrugated tube and its expanding and shaping technique |
| CN112848250A (en) * | 2021-01-26 | 2021-05-28 | 宜宾学院 | Drum-type thermoplastic pipeline expanding device |
-
2010
- 2010-09-13 CN CN2010205268292U patent/CN201907202U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103568314A (en) * | 2013-11-06 | 2014-02-12 | 姚能忠 | Method and device for manufacturing PVC-O (biaxially oriented polyvinyl chloride) pipe |
| CN103568314B (en) * | 2013-11-06 | 2016-01-13 | 姚能忠 | The manufacture method of PVC-O tubing and device |
| CN106216538A (en) * | 2016-08-04 | 2016-12-14 | 中南大学 | A kind of major diameter ring mechanical expansion equipment |
| CN106216538B (en) * | 2016-08-04 | 2017-12-15 | 中南大学 | A kind of major diameter ring mechanical expansion equipment |
| CN109278278A (en) * | 2018-09-28 | 2019-01-29 | 杭州亿通塑胶实业有限公司 | Polyethylene solid wall pipe and its expanding and shaping device |
| CN109435220A (en) * | 2018-09-28 | 2019-03-08 | 杭州亿通塑胶实业有限公司 | Polytene corrugated tube and its expanding and shaping technique |
| CN109278278B (en) * | 2018-09-28 | 2020-09-04 | 杭州亿通塑胶实业有限公司 | Polyethylene solid wall pipe and expansion forming device thereof |
| CN112848250A (en) * | 2021-01-26 | 2021-05-28 | 宜宾学院 | Drum-type thermoplastic pipeline expanding device |
| CN112848250B (en) * | 2021-01-26 | 2022-10-28 | 宜宾学院 | Drum-type thermoplastic pipeline expanding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110727 Termination date: 20140913 |
|
| EXPY | Termination of patent right or utility model |