CN104369357B - Plastic spiral spring wind device and plastic spiral spring preparation method - Google Patents
Plastic spiral spring wind device and plastic spiral spring preparation method Download PDFInfo
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- CN104369357B CN104369357B CN201410659658.3A CN201410659658A CN104369357B CN 104369357 B CN104369357 B CN 104369357B CN 201410659658 A CN201410659658 A CN 201410659658A CN 104369357 B CN104369357 B CN 104369357B
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Abstract
A preparation method for plastic spiral spring wind device and plastic spiral spring, this plastic spiral spring wind device comprises chassis, raw material extrusion device, feed arrangement and whirligig; Feed arrangement is arranged on chassis; Whirligig is arranged on feed arrangement; Feed arrangement driven rotary device moves; Raw material used for plastic spiral spring to be processed is extruded and is placed on whirligig by raw material extrusion device; The raw material that whirligig drives raw material extrusion device to extrude rotates.The invention provides a kind of the plastic spiral spring wind device and the plastic spiral spring preparation method that are easy to process thin footpath plastics spring.
Description
Technical field
The present invention relates to a kind of plastic spiral spring wind device and plastic spiral spring preparation method, particularly relate to that a kind of cross section is rounded, diameter of section is less than 1mm and mean diameter of coil is less than the thin footpath plastic spiral spring wind device of 10mm and thin footpath plastic spiral spring preparation method.
Background technology
Plastic spiral spring generally adopts Shooting Technique to process, and mould has spiral cavity, and the plastics jet of melting is injected die cavity by the screw pressure of injection machine, after pressurize, cooling, the demoulding, forms plastic spiral spring.Adopt the helical spring of this processes, necessarily require its diameter of section and mean diameter of coil all comparatively large, the requirement of Injection Mold Design and Shooting Technique could be adapted to.And for the plastic spiral spring that diameter of section is less than 1mm, mean diameter of coil is less than 10mm, large and the more difficult realization of Shooting Technique of Design of Dies difficulty, and Shooting Technique equipment cost is high, in the urgent need to a kind of thin footpath (diameter of section is less than 1mm, mean diameter of coil is less than 10mm) plastic spiral spring preparation method of low cost autonation.
Summary of the invention
In order to solve the above-mentioned technical problem existed in background technology, the invention provides a kind of the plastic spiral spring wind device and the plastic spiral spring preparation method that are easy to process thin footpath plastics spring.
Technical solution of the present invention is: the invention provides a kind of plastic spiral spring wind device, its special character is: described device comprises chassis, raw material extrusion device, feed arrangement and whirligig; Described feed arrangement is arranged on chassis; Described whirligig is arranged on feed arrangement; Described feed arrangement driven rotary device moves; Raw material used for plastic spiral spring to be processed is extruded and is placed on whirligig by described raw material extrusion device; The raw material that described whirligig drives raw material extrusion device to extrude rotates.
The electric rotating machine that above-mentioned whirligig comprises mandrel and is connected with mandrel; Described electric rotating machine is arranged on feed arrangement; Described feed arrangement driven rotary motor removing; Raw material used for plastic spiral spring to be processed is extruded and is placed on mandrel by described raw material extrusion device; The raw material that described electric rotating machine drives raw material extrusion device to extrude by mandrel rotates.
The feeding motor that above-mentioned feed arrangement comprises leading screw and drives leading screw to rotate; Described leading screw is arranged on chassis; Described electric rotating machine is arranged on leading screw; Described feeding motor is moved on leading screw by leading screw driven rotary motor.
Above-mentioned feed arrangement also comprises electric rotating machine support; Described electric rotating machine Bracket setting is on leading screw; Described electric rotating machine is arranged on electric rotating machine support; Described feeding motor is moved on leading screw by leading screw driven rotary electric machine support.
Above-mentioned raw materials extrusion device comprises extruder and is arranged on the mould at cross-head place; Raw material used for plastic spiral spring to be processed to be extruded by mould and is placed on whirligig by described extruder.
Based on a preparation method for the plastic spiral spring of plastic spiral spring wind device as above, its special character is: said method comprising the steps of:
1) raw material used for plastic spiral spring to be processed is put into extruder charging aperture, screw speed and the extruder machine thorax each district temperature to head is set, plastic spiral spring to be processed raw material used is extruded with molten state, and clears up extruder machine thorax with the raw material flowing that plastic spiral spring to be processed is used;
2), after clearing up extruder machine thorax, at cross-head place installation mold, screw speed, extruder Ji Tangge district temperature, mandrel axis and mould discharging open height, electric rotating machine rotating speed, feeding motor speed technological parameter are set;
3) with above-mentioned plastic spiral spring wind device, stock roll used for plastic spiral spring to be processed is coiled into plastics spring.
Said method is in step 1) also comprise before:
0) by raw material used for plastic spiral spring to be processed dehumidifying drying in dryer.
Said method is in step 3) after also comprise:
4) remove plastic spiral spring wind device start and stop phase time institute process non-homogeneous section of the plastic spiral spring rear and front end obtained, plastic spiral spring is taken off from mandrel, formation plastic spiral spring product.
Above-mentioned steps 2) in, the set-up mode of described extruder Ji Tangge district temperature observes mould endoporus gel quantity with visual method, be adjusted to gel quantity evenly till;
Described mould diameter of bore is slightly larger than plastic spiral spring diameter of section to be processed;
Described axle diameter equals the difference of plastic spiral mean diameter of coil to be processed and plastic spiral spring diameter of section to be processed;
The setting principle of described mandrel axis and mould discharging open height makes the plastic spiral spring to be processed of melting raw material used be easy to reel, and being wound on plastic spiral spring to be processed on mandrel raw material used again can solidification in the short time; Described mandrel axis and mould discharging open height try to determine around spring by plastic spiral spring wind device; Described mould discharging mouth is mould lower surface;
Described electric rotating machine rotating speed and feeding motor speed determine according to the architectural feature of plastic spiral spring to be processed; The architectural feature of described plastic spiral spring comprises plastic spiral spring pitch; The concrete set-up mode of described electric rotating machine rotating speed and feeding motor speed carries out based on following formula:
Wherein:
N
j---feeding motor speed, r/min;
N
x---electric rotating machine rotating speed, r/min;
P---plastic spiral spring pitch, mm;
S---guide screw lead, mm;
I
j---feeding speed reducing ratio;
I
x---rotational reduction ratio;
Described plastic spiral spring to be processed raw material used includes but not limited to polyamide, polyethylene, polyimides and polyether-ether-ketone.
A kind of plastic spiral spring prepared based on the preparation method of plastic spiral spring as above.
Advantage of the present invention is:
The present invention proposes a kind of plastic spiral spring wind device and plastic spiral spring preparation method, the preparation method of this coiler device and plastic spiral spring is the problem being difficult to process thin footpath plastic spiral spring difficulty for existing Shooting Technique, propose the plastic spiral spring preparation method that a kind of plastic extrusion combines with mandrel swivel feeding, to realize the batch production of thin footpath plastic spiral spring.What employing of the present invention was different from injection moulding manufacture method extrude matches by the preparation method of the plastic raw materials processed springs that reels with mandrel swivel feeding, can realize the processing of thin footpath plastic spiral spring.Adopt this preparation method can process the plastic spiral spring of smallest cross-sectional diameter 0.3mm, minimum central diameter 1mm, and can processed springs dimensions wider range, can realize the processing of different size specification spring by more mold exchange and mandrel, technique is simple, can realize large-scale production.
Accompanying drawing explanation
Fig. 1 is plastic spiral spring structure figure;
Fig. 2 is this preparation method machining sketch chart;
Fig. 3 is plastic spiral spring wind device front view;
Fig. 4 is plastic spiral spring wind device top view;
Wherein:
1-extruder; 2-mould; 3-plastic spiral spring wind device; 4-mandrel; 5-electric rotating machine; 6-leading screw; 7-feeding motor; D-spring diameter of section; P-spring pitch; D-mean diameter of coil; Height between h-plastic spiral spring wind device mandrel axis and gum outlet; n
j-feeding motor speed; n
x-electric rotating machine rotating speed.
Detailed description of the invention
See Fig. 2, Fig. 3 and Fig. 4, first the present invention is supplied to a kind of plastic spiral spring wind device 3, and this device comprises chassis, raw material extrusion device, feed arrangement and whirligig; Feed arrangement is arranged on chassis; Whirligig is arranged on feed arrangement; Feed arrangement driven rotary device moves; Raw material used for plastic spiral spring to be processed is extruded and is placed on whirligig by raw material extrusion device; The raw material that whirligig drives raw material extrusion device to extrude rotates, final formation plastic spiral spring.
The electric rotating machine 5 that whirligig comprises mandrel 4 and is connected with mandrel 4; Electric rotating machine 5 is arranged on feed arrangement; Feed arrangement driven rotary motor 5 moves; Raw material used for plastic spiral spring to be processed is extruded and is placed on mandrel 4 by raw material extrusion device; The raw material that electric rotating machine 5 drives raw material extrusion device to extrude by mandrel 4 rotates.
The feeding motor 7 that feed arrangement comprises leading screw 6 and drives leading screw 6 to rotate; Leading screw 6 is arranged on chassis; Electric rotating machine 5 is arranged on leading screw 6; Feeding motor 7 is moved on leading screw 6 by leading screw 6 driven rotary motor 5.
Feed arrangement also comprises electric rotating machine support; Electric rotating machine Bracket setting is on leading screw 6; Electric rotating machine 5 is arranged on electric rotating machine support; Feeding motor 7 is moved on leading screw 6 by leading screw 6 driven rotary electric machine support.
Raw material extrusion device comprises extruder 1 and is arranged on the mould 2 at extruder 1 head place; Raw material used for plastic spiral spring to be processed to be extruded by mould 2 and is placed on whirligig by extruder 1.
See Fig. 2, the present invention is while providing above-mentioned coiler device, and additionally provide a kind of preparation method of plastic spiral spring, the method comprises the following steps:
0) by raw material used for plastic spiral spring to be processed dehumidifying drying in dryer.
1) raw material used for plastic spiral spring to be processed is put into extruder charging aperture, screw speed and extruder Ji Tangge district temperature are set, plastic spiral spring to be processed raw material used is extruded with molten state, and clears up extruder machine thorax with the raw material flowing that plastic spiral spring to be processed is used;
2), after clearing up extruder machine thorax, at cross-head place installation mold, screw speed, extruder Ji Tangge district temperature, mandrel axis and mould discharging open height, electric rotating machine rotating speed, feeding motor speed technological parameter are set;
Wherein, the set-up mode of extruder Ji Tangge district temperature observes mould endoporus gel quantity with visual method, be adjusted to gel quantity evenly till;
Mould diameter of bore is slightly larger than plastic spiral spring diameter of section to be processed;
Axle diameter equals the difference of plastic spiral mean diameter of coil to be processed and plastic spiral spring diameter of section to be processed;
The setting principle of mandrel axis and mould discharging open height makes the plastic spiral spring to be processed of melting raw material used be easy to reel, and being wound on plastic spiral spring to be processed on mandrel raw material used again can solidification in the short time; Mandrel axis and mould discharging open height try to determine around spring by plastic spiral spring wind device; Mould discharging mouth is mould lower surface;
Electric rotating machine rotating speed and feeding motor speed determine according to the architectural feature of plastic spiral spring to be processed; The architectural feature of plastic spiral spring comprises plastic spiral spring pitch; The concrete set-up mode of electric rotating machine rotating speed and feeding motor speed carries out based on following formula:
Wherein:
N
j---feeding motor speed, r/min;
N
x---electric rotating machine rotating speed, r/min;
P---plastic spiral spring pitch, mm;
S---guide screw lead, mm;
I
j---feeding speed reducing ratio;
I
x---rotational reduction ratio;
Such as, plastic spiral spring specification: diameter of section 0.9mm, central diameter 7mm, pitch 2.5mm.
Rotational reduction ratio is 5, and feeding speed reducing ratio is 10, helical pitch 5mm.
Raw material choose PA 66 (PA66).
Mould diameter of bore elects 0.95mm as.
Axle diameter is 6.1mm.
Screw speed 9.7r/min.
Height between plastic spiral spring wind device mandrel axis and gum outlet is 20mm.
Feeding motor speed 70r/min.
Electric rotating machine rotating speed 70r/min.
The raw material that plastic spiral spring to be processed is used includes but not limited to polyamide, polyethylene, polyimides and polyether-ether-ketone.
After above-mentioned parameter is determined, by examination around fine setting screw speed, diameter of section is made to meet index request.Measuring examination around rear spring diameter of section, contrast with index, if less than normal, then increase screw speed, otherwise reduce screw speed, repeatedly trying to meet the demands around being adjusted to diameter of section.
3) with plastic spiral spring wind device, stock roll used for plastic spiral spring to be processed is coiled into plastics spring.
4) remove plastic spiral spring wind device start and stop phase time institute process non-homogeneous section of the plastic spiral spring rear and front end obtained, plastic spiral spring is taken off from mandrel, formation plastic spiral spring product.
See Fig. 1, present invention also offers a kind of plastic spiral spring prepared according to the preparation method of plastic spiral spring, especially rounded, the diameter of section in cross section is less than the thin footpath plastic spiral spring that 1mm and mean diameter of coil are less than 10mm.
Claims (8)
1. a plastic spiral spring wind device, is characterized in that: described spring cross section is rounded, and described device comprises chassis, raw material extrusion device, feed arrangement and whirligig; Described feed arrangement is arranged on chassis; Described whirligig is arranged on feed arrangement; Described feed arrangement driven rotary device moves; Raw material used for plastic spiral spring to be processed is extruded with molten state and is placed on whirligig by described raw material extrusion device; The raw material that described whirligig drives raw material extrusion device to extrude rotates; The electric rotating machine that described whirligig comprises mandrel and is connected with mandrel; Described electric rotating machine is arranged on feed arrangement; Described feed arrangement driven rotary motor removing; Raw material used for plastic spiral spring to be processed is extruded and is placed on mandrel by described raw material extrusion device; The raw material that described electric rotating machine drives raw material extrusion device to extrude by mandrel rotates.
2. plastic spiral spring wind device according to claim 1, is characterized in that: the feeding motor that described feed arrangement comprises leading screw and drives leading screw to rotate; Described leading screw is arranged on chassis; Described electric rotating machine is arranged on leading screw; Described feeding motor is moved on leading screw by leading screw driven rotary motor.
3. plastic spiral spring wind device according to claim 2, is characterized in that: described feed arrangement also comprises electric rotating machine support; Described electric rotating machine Bracket setting is on leading screw; Described electric rotating machine is arranged on electric rotating machine support; Described feeding motor is moved on leading screw by leading screw driven rotary electric machine support.
4. the plastic spiral spring wind device according to the arbitrary claim of claim 1-3, is characterized in that: described raw material extrusion device comprises extruder and is arranged on the mould at cross-head place; Raw material used for plastic spiral spring to be processed to be extruded by mould and is placed on whirligig by described extruder.
5., based on a preparation method for the plastic spiral spring of plastic spiral spring wind device as claimed in claim 4, it is characterized in that: said method comprising the steps of:
1) raw material used for plastic spiral spring to be processed is put into extruder charging aperture, screw speed and the extruder machine thorax each district temperature to head is set, plastic spiral spring to be processed raw material used is extruded with molten state, and clears up extruder machine thorax with the raw material flowing that plastic spiral spring to be processed is used;
2), after clearing up extruder machine thorax, at cross-head place installation mold, screw speed, extruder Ji Tangge district temperature, mandrel axis and mould discharging open height, electric rotating machine rotating speed, feeding motor speed technological parameter are set;
3) with plastic spiral spring wind device according to claim 4, stock roll used for plastic spiral spring to be processed is coiled into plastics spring.
6. the preparation method of plastic spiral spring according to claim 5, is characterized in that: described method is in step 1) also comprise before:
0) by raw material used for plastic spiral spring to be processed dehumidifying drying in dryer.
7. the preparation method of plastic spiral spring according to claim 5, is characterized in that: described method is in step 3) after also comprise:
4) remove plastic spiral spring wind device start and stop phase time institute process non-homogeneous section of the plastic spiral spring rear and front end obtained, plastic spiral spring is taken off from mandrel, formation plastic spiral spring product.
8. the preparation method of the plastic spiral spring according to claim 5 or 6 or 7, it is characterized in that: described step 2) in, the set-up mode of described extruder Ji Tangge district temperature observes mould endoporus gel quantity with visual method, be adjusted to gel quantity evenly till;
Described mould diameter of bore is slightly larger than plastic spiral spring diameter of section to be processed;
Described axle diameter equals the difference of plastic spiral mean diameter of coil to be processed and plastic spiral spring diameter of section to be processed;
The setting principle of described mandrel axis and mould discharging open height makes the plastic spiral spring to be processed of melting raw material used be easy to reel, and being wound on plastic spiral spring to be processed on mandrel raw material used again can solidification in the short time; Described mandrel axis and mould discharging open height try to determine around spring by plastic spiral spring wind device; Described mould discharging mouth is mould lower surface;
Described electric rotating machine rotating speed and feeding motor speed determine according to the architectural feature of plastic spiral spring to be processed; The architectural feature of described plastic spiral spring comprises plastic spiral spring pitch; The concrete set-up mode of described electric rotating machine rotating speed and feeding motor speed carries out based on following formula:
Wherein:
N
j---feeding motor speed, r/min;
N
x---electric rotating machine rotating speed, r/min;
P---plastic spiral spring pitch, mm;
S---guide screw lead, mm;
I
j---feeding speed reducing ratio;
I
x---rotational reduction ratio;
Described plastic spiral spring to be processed raw material used includes but not limited to polyamide, polyethylene, polyimides and polyether-ether-ketone.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410659658.3A CN104369357B (en) | 2014-11-18 | 2014-11-18 | Plastic spiral spring wind device and plastic spiral spring preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410659658.3A CN104369357B (en) | 2014-11-18 | 2014-11-18 | Plastic spiral spring wind device and plastic spiral spring preparation method |
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| CN104369357A CN104369357A (en) | 2015-02-25 |
| CN104369357B true CN104369357B (en) | 2015-09-09 |
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| CN107187815B (en) * | 2017-07-14 | 2023-10-13 | 扬州起航机械有限公司 | Self-cleaning screw feeder |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101439580A (en) * | 2007-11-22 | 2009-05-27 | 鹰将智财创意开发有限公司 | Method for manufacturing fiber strengthening composite helical spring |
| CN102248683A (en) * | 2011-06-30 | 2011-11-23 | 广东联塑科技实业有限公司 | Forming device for rectangular thin-wall plastic spring with slot on surface and processing method thereof |
| CN204263527U (en) * | 2014-11-18 | 2015-04-15 | 西安海驰通信科技有限公司 | Plastic spiral spring wind device |
-
2014
- 2014-11-18 CN CN201410659658.3A patent/CN104369357B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101439580A (en) * | 2007-11-22 | 2009-05-27 | 鹰将智财创意开发有限公司 | Method for manufacturing fiber strengthening composite helical spring |
| CN102248683A (en) * | 2011-06-30 | 2011-11-23 | 广东联塑科技实业有限公司 | Forming device for rectangular thin-wall plastic spring with slot on surface and processing method thereof |
| CN204263527U (en) * | 2014-11-18 | 2015-04-15 | 西安海驰通信科技有限公司 | Plastic spiral spring wind device |
Non-Patent Citations (1)
| Title |
|---|
| 塑料弹簧的生产工艺;周先祥;《塑料科技》;19961231(第6期);27-29 * |
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