CN203157129U - Giant-magnetostrictive-material-driven wall thickness control device - Google Patents
Giant-magnetostrictive-material-driven wall thickness control device Download PDFInfo
- Publication number
- CN203157129U CN203157129U CN 201320014110 CN201320014110U CN203157129U CN 203157129 U CN203157129 U CN 203157129U CN 201320014110 CN201320014110 CN 201320014110 CN 201320014110 U CN201320014110 U CN 201320014110U CN 203157129 U CN203157129 U CN 203157129U
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- CN
- China
- Prior art keywords
- displacement amplifying
- amplifying mechanism
- wall thickness
- control device
- thickness control
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Abstract
The utility model discloses a giant-magnetostrictive-material-driven wall thickness control device, comprising an upper end cover, a housing, coils, coil supports, a GMM rod, a separator, flanges and an extrusion opening, wherein the GMM rod is arranged in the housing; the coil support is sleeved on the GMM rod; the coils are wound around the coil supports; a water cooling mechanism is arranged in each coil support; a displacement amplifying mechanism is arranged under each coil support; the upper end of each displacement amplifying mechanism props against the top end of the GMM rod; the lower end of the displacement amplifying mechanism is propped against the upper end of the extrusion opening; the separator is arranged between one displacement amplifying mechanism and the corresponding coil support and fixed with the housing; a through hole for communicating the displacement amplifying mechanism with the GMM rod is formed at the middle part of the separator; the flange is arranged under each displacement amplifying mechanism and fixed with the housing; and a through hole for communicating each displacement amplifying mechanism with the extrusion opening is formed in the middle part of the corresponding flange. The giant-magnetostrictive material-driven wall thickness control device is good in dynamic response characteristic, high in control accuracy, good in environmental suitability and wide in working temperature range.
Description
Technical field
The utility model relates to a kind of plastic extrusion blowing wall thickness control device, particularly a kind of wall thickness control device of super magnetic materials driving.
Background technology
Blow molding is the manufacturing process of making hollow plastic articles, and extrusion-blown modling is the main pattern of blow molding.In the forming process, pipe is directly extruded by extruder, and hangs from above in the die cavity that separates in advance under being installed on head; Reach after the length of regulation matched moulds immediately when sagging parison, and the otch of pattern tool cuts off pipe; Feed compressed air from the aperture of mould die joint, make preform blowup be close to die wall and moulding; Pressurize, treat goods in die cavity behind the cooling and shaping die sinking take out goods.
Hollow plastic articles has been stipulated minimum wall thickness (MINI W.) because of its requirement of strength, and early stage hollow blow molding equipment lacks the system of parison wall thickness control system, reaches the minimum wall thickness (MINI W.) requirement for making the goods thinnest part, and other position of goods will correspondingly thicken, and causes the waste of material.The control of the plug of vital part mainly adopts the PID electrohydraulic proportional control valve to control in the wall thickness control device of these products, by being combined by electro-hydraulic proportional reducing valve and hydraulicchange-over valve, and control the size of forward and reverse opening of hydraulicchange-over valve according to outlet pressure, thereby the direction of control liquid stream and the size of flow, displacement and the direction of final control plug realize the control of wall thickness.This type systematic adopts hydraulic cylinder to produce displacement, and frequency response characteristic is poor, has directly caused the decline of control accuracy.Hydrauservo System itself also has shortcomings such as system complex, quality are big, cost height.
The utility model content
The utility model is in order to solve defective and the deficiency that exists in the above-mentioned prior art, provide a kind of dynamic response characteristic good, the control accuracy height, simple in structure, volume is little, in light weight, cost is low, and the wall thickness control device that drives of the wide super magnetic materials of good environmental adaptability, operating temperature range.
The technical solution of the utility model: the wall thickness control device that a kind of super magnetic materials drives, comprise upper end cover, housing, coil, coil brace, the GMM rod, dividing plate, flange and extrusion, described GMM rod is arranged in the housing, described coil brace is socketed on the GMM rod, described coil is wrapped on the coil brace, be provided with water-cooled mechanism in the described coil brace, coil brace below displacement amplifying mechanism, the upper end of described displacement amplifying mechanism withstands on the lower end of GMM rod, the lower end of displacement amplifying mechanism withstands on the upper end of extrusion, described dividing plate is arranged between displacement amplifying mechanism and the coil brace and fixes with housing, the dividing plate middle part is provided with the through hole that is communicated with displacement amplifying mechanism and GMM rod, described flange is arranged on the displacement amplifying mechanism below and fixes with housing, and the flange middle part is provided with the through hole that is communicated with displacement amplifying mechanism and extrusion.
Preferably, described extrusion comprises extrudes shell and plug, and the described shell of extruding is connected on the flange, and the lower end of described displacement amplifying mechanism withstands on the upper end of plug.
Preferably, be provided with the pre-tightening mechanism that compresses displacement amplifying mechanism between described displacement amplifying mechanism and the extrusion, described pre-tightening mechanism comprises spring and pre-load nut.
Preferably, described extruding has charging aperture on the shell, extrude between shell and the plug sealing ring is installed.
Preferably, described water-cooled mechanism comprises water pipe, delivery port and water inlet.
Preferably, described upper end cover top is provided with for fixing holder.
The utility model with the displacement method of giant magnetostrictive rod and pass to plug, is realized wall thickness control by flexure hinge mechanism, and it is compared with background technology has following advantage:
1) dynamic response characteristic is good;
2) control accuracy height;
3) system is simple, and volume is little, and is in light weight, and cost is low.
4) good environmental adaptability, operating temperature range is wide.
Description of drawings
Fig. 1 structural representation of the present utility model.
1. holders among the figure, 2. upper end cover, 3. delivery port, 4. coil, 5. housing, 6. coil brace, 7. GMM rod, 8. water inlet, 9. dividing plate, 10. displacement amplifying mechanism, 11. flanges, 12. pre-load nuts, 13. spring, 14. sealing rings, 15. charging apertures, 16. plugs, 17. extrude shell.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail, but is not restriction to the utility model protection domain.
As shown in Figure 1, the wall thickness control device that super magnetic materials of the present utility model drives comprises holder 1, upper end cover 2, housing 5, coil 4, coil brace 6, GMM rod 7, dividing plate 9, displacement amplifying mechanism 10, flange 11, plug 16, extrudes shell 17, coil 4 is wrapped on the coil brace 6, coil brace 6 is provided with water-cooled mechanism, comprise delivery port 3 and water inlet 8, coil brace 6 is supported by dividing plate 9.GMM rod 7 is arranged in the housing 5, and coil brace 6 is socketed on the GMM rod 7.
Displacement amplifying mechanism 10 upper ends withstand on the lower end of GMM rod 7, being supported by flange 11 of displacement amplifying mechanism 10, and displacement amplifying mechanism 10 lower ends withstand on the upper end of plug 16, are compressed by pre-tightening mechanism, and pre-tightening mechanism comprises spring 13 and pre-load nut 12.
Extrude shell 17 and be connected on the flange 11, extrude and have charging aperture 15 on the shell, extrude between shell 17 and the plug 16 sealing ring 14 is installed.Plug 16 and extrude shell 17 and form extrusions.
The operation principle of present embodiment is as follows: the displacement of GMM rod 7 elongations is amplified by displacement amplifying mechanism 10 and is delivered to plug 16, changes the size of extrusion 18, reaches the purpose of wall thickness control.
The utility model with the displacement method of giant magnetostrictive rod and pass to plug, is realized wall thickness control by flexure hinge mechanism, and it is compared with background technology has following advantage:
1) dynamic response characteristic is good;
2) control accuracy height;
3) system is simple, and volume is little, and is in light weight, and cost is low;
4) good environmental adaptability, operating temperature range is wide.
Claims (6)
1. wall thickness control device that super magnetic materials drives, it is characterized in that: it comprises upper end cover, housing, coil, coil brace, the GMM rod, dividing plate, flange and extrusion, described GMM rod is arranged in the housing, described coil brace is socketed on the GMM rod, described coil is wrapped on the coil brace, be provided with water-cooled mechanism in the described coil brace, coil brace below displacement amplifying mechanism, the upper end of described displacement amplifying mechanism withstands on the lower end of GMM rod, the lower end of displacement amplifying mechanism withstands on the upper end of extrusion, described dividing plate is arranged between displacement amplifying mechanism and the coil brace and fixes with housing, the dividing plate middle part is provided with the through hole that is communicated with displacement amplifying mechanism and GMM rod, described flange is arranged on the displacement amplifying mechanism below and fixes with housing, and the flange middle part is provided with the through hole that is communicated with displacement amplifying mechanism and extrusion.
2. the wall thickness control device that drives of a kind of super magnetic materials according to claim 1, it is characterized in that: described extrusion comprises extrudes shell and plug, and the described shell of extruding is connected on the flange, and the lower end of described displacement amplifying mechanism withstands on the upper end of plug.
3. the wall thickness control device that drives of a kind of super magnetic materials according to claim 1, it is characterized in that: be provided with the pre-tightening mechanism that compresses displacement amplifying mechanism between described displacement amplifying mechanism and the extrusion, described pre-tightening mechanism comprises spring and pre-load nut.
4. the wall thickness control device that drives of a kind of super magnetic materials according to claim 2, it is characterized in that: described extruding has charging aperture on the shell, extrude between shell and the plug sealing ring is installed.
5. the wall thickness control device that drives of a kind of super magnetic materials according to claim 1 is characterized in that: described water-cooled mechanism comprises water pipe, delivery port and water inlet.
6. the wall thickness control device that drives of a kind of super magnetic materials according to claim 1, it is characterized in that: described upper end cover top is provided with for fixing holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320014110 CN203157129U (en) | 2013-01-11 | 2013-01-11 | Giant-magnetostrictive-material-driven wall thickness control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320014110 CN203157129U (en) | 2013-01-11 | 2013-01-11 | Giant-magnetostrictive-material-driven wall thickness control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203157129U true CN203157129U (en) | 2013-08-28 |
Family
ID=49018347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320014110 Expired - Fee Related CN203157129U (en) | 2013-01-11 | 2013-01-11 | Giant-magnetostrictive-material-driven wall thickness control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203157129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467527A (en) * | 2014-12-16 | 2015-03-25 | 江西理工大学 | Rare-earth giant-magnetostrictive energy converter with flexible hinge micro-displacement compound operational amplifier |
-
2013
- 2013-01-11 CN CN 201320014110 patent/CN203157129U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467527A (en) * | 2014-12-16 | 2015-03-25 | 江西理工大学 | Rare-earth giant-magnetostrictive energy converter with flexible hinge micro-displacement compound operational amplifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20140111 |