CN206224253U - A kind of expects pipe Wall Thickness Control System - Google Patents
A kind of expects pipe Wall Thickness Control System Download PDFInfo
- Publication number
- CN206224253U CN206224253U CN201621229363.3U CN201621229363U CN206224253U CN 206224253 U CN206224253 U CN 206224253U CN 201621229363 U CN201621229363 U CN 201621229363U CN 206224253 U CN206224253 U CN 206224253U
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- China
- Prior art keywords
- wall thickness
- expects pipe
- control system
- plug
- external mold
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Abstract
The utility model discloses a kind of expects pipe Wall Thickness Control System, including a mounting bracket, mounting bracket is provided with an external mold, the internal activity of the external mold is provided with one and can be engaged to adjust the plug of expects pipe wall thickness relative to its movement and with the external mold, the plug is connected with the straight line driving mechanism of its movement of a driving, the mounting bracket is provided with the servomotor being engaged with the straight line driving mechanism, and the servomotor is connected with the servo controller of its action of a control；The expects pipe Wall Thickness Control System of above structure, Serve Motor Control plug moving up and down inside external mold is coordinated by servo controller, and the wall thickness of expects pipe is adjusted by the cooperation between plug and external mold inwall, the expects pipe Wall Thickness Control System can be controlled according to the servo curve of setting to the wall thickness of expects pipe, have the advantages that fast response time, regulation is accurate, prevent greasy dirt, low consumption environmental protection.
Description
Technical field
The utility model is related to the discharge system of plastic hollow formation machine, specially a kind of expects pipe Wall Thickness Control System.
Background technology
In the prior art, the wall thickness of hollow plastic expects pipe is controlled to be molded by Hydrauservo System, its principle is to pass through
Servo-fluid pressure valve is controlled with the action to hydraulic cylinder, by the plug in the head of Driven by Hydraulic Cylinder plastic hollow formation machine
Lower reciprocating motion, in controlling to discharge by the gap between the inwall at the outer wall and mould discharge door that change plug lower end
The wall thickness of empty plastics expects pipe.Because plug is driven by the hydraulic cylinder controlled by servo-fluid pressure valve, and hydraulic servo
Response speed it is slower, the value of control is not accurate enough, thus result between the movement locus of plug and servo curve exist compared with
Large deviation, so that the shape and wall thickness of expects pipe are inconsistent with what servo-drive system set, influences the blowing effect of product, its
It is secondary, greasy dirt can be also produced using HYDRAULIC CONTROL SYSTEM, the energy consumption of system is also higher.
Utility model content
In order to solve the above problems, the purpose of this utility model is that to provide a kind of low consumption environmental protection, wall thickness governing response fast
Expects pipe Wall Thickness Control System.
The utility model is to solve the technical scheme that uses of its technical problem：
A kind of expects pipe Wall Thickness Control System, including a mounting bracket, mounting bracket are provided with an external mold, and the inside of the external mold is lived
It is dynamic be provided with one can relative its move and be engaged to adjust the plug of expects pipe wall thickness with the external mold, the plug is connected with
One straight line driving mechanism for driving its movement, the mounting bracket is provided with the servo electricity being engaged with the straight line driving mechanism
Machine, the servomotor is connected with the servo controller of its action of a control.
Preferably, the straight line driving mechanism includes the leading screw being connected with the servomotor and is screwed onto on the leading screw
Ball nut, the servomotor drives the leading screw to rotate, and the ball nut is connected with the plug.
Preferably, the servomotor is connected with the rotary encoder for measuring its amount of spin.
Wherein, the middle and lower part of the plug is provided with the convex portion of an outside for extending the external mold, and the convex portion is provided with
Can extend to the first inclined-plane of the inside of the external mold.
Preferably, the inwall of the external mold is provided with the second inclined-plane with the first slopes which match.
Preferably, first inclined-plane and the second inclined-plane are all round platform inclined-plane.
The beneficial effects of the utility model are：The expects pipe Wall Thickness Control System of above structure, is coordinated by servo controller
Serve Motor Control plug moving up and down inside external mold, and expects pipe is adjusted by the cooperation between plug and external mold inwall
Wall thickness, the expects pipe Wall Thickness Control System can according to setting servo curve the wall thickness of expects pipe is controlled, with response
Speed is fast, regulation is accurate, prevent the advantages of greasy dirt, low consumption environmental protection.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is structural representation of the present utility model.
Specific embodiment
Reference picture 1, a kind of expects pipe Wall Thickness Control System, including a mounting bracket 1, mounting bracket 1 are provided with an external mold 2, described
The internal activity of external mold 2 is provided with one and can be engaged to adjust the plug of expects pipe wall thickness relative to its movement and with the external mold 2
3, the plug 3 is connected with the straight line driving mechanism 4 of its movement of a driving, and the mounting bracket 1 is provided with and the linear drives
The servomotor 5 that mechanism 4 is engaged, the servomotor 5 is connected with the servo controller 6 of its action of a control, the plug 3
Middle and lower part be provided with the convex portion 31 of an outside for extending the external mold 2, the convex portion 31 be provided with can extend to it is described outer
First inclined-plane 311 of the inside of mould 2, the first inclined-plane 311 is controllable with the distance between the inwall in exit of external mold 2 makes for regulation
Expect the wall thickness of expects pipe, in preferred embodiment of the present utility model, the inwall of the external mold 2 is additionally provided with and the phase of the first inclined-plane 311
Second inclined-plane 21 of matching, the inclined-plane 21 of first inclined-plane 311 and second is all round platform inclined-plane, and material is from the He of the first inclined-plane 311
Gap between second inclined-plane 21 passes through, and the gradient on the second inclined-plane 21 is big compared with the first inclined-plane 311, so as to contribute to guiding plastics former
Material is extruded from top to bottom.When plug 3 is moved a little upwards, the first inclined-plane 311 of convex portion 31 and the bottom on the second inclined-plane 21 it
Between gap shrinks, the wall thickness of the expects pipe extruded from the gap is thinning, when plug 3 is moved downwards a little, the of convex portion 31
Gap between the bottom on one inclined-plane 311 and the second inclined-plane 21 becomes big, and the wall thickness of the expects pipe of extrusion is thickening from the gap.When this
When expects pipe Wall Thickness Control System works, the shape and wall thickness of the expects pipe for making as needed set the curve movement of plug 3, lead to
The rotating speed of the control servomotor 5 of servo controller 6 is crossed to adjust the lifting position of the plug 3 so as to control convex portion 31 and external mold
The distance between inwall at 2 discharging.
It is engaged to drive above mechanical structure to adjust the wall thickness phase of expects pipe with servo controller 6 by servomotor 5
To the response speed of traditional HYDRAULIC CONTROL SYSTEM wall thickness faster so that servo of the curve movement of plug 3 closer to setting
Curve.
It is described in preferred embodiment of the present utility model in order to further improve the control accuracy of the control system
Straight line driving mechanism 4 includes the leading screw being connected by shaft coupling with the servomotor 5 and the screw being screwed onto on the leading screw,
The servomotor 5 drives the leading screw to rotate, and the screw is connected with the plug 3, between servomotor 5 and leading screw
Connection can also be attached by a pair of gear pairs by servomotor 5 in addition to using shaft coupling with the leading screw.Below only
It is the preferred embodiment of straight line driving mechanism 4, straight-line mechanism 4 can also be following specific embodiment：Straight line driving
Structure 4 includes the gear that be connected with servomotor, and gear drives a tooth bar, the tooth bar by gear driving and in the sliding groove on
Lower slider, the tooth bar is connected with plug 3, and the oscilaltion campaign of plug 3 just can be driven by the structure of drive gear tooth bar.
Preferably, the rotary encoder 7 for measuring its amount of spin is also associated with the servomotor 5, rotation is compiled
The rotation number of turns of the code measurement servomotor 5 of device 7 is converted into the data of the plug 3 movement and feeds back to servo controller 6, just can enter
The operating of one step servomotor 5 is more accurately controlled.
The expects pipe Wall Thickness Control System of above structure, coordinates servomotor 5 to control plug 3 outside by servo controller 6
Moving up and down inside mould 2, and the wall thickness of expects pipe, the expects pipe wall thickness are adjusted by the cooperation between plug 3 and the inwall of external mold 2
Control system can be controlled according to the servo curve of setting to the wall thickness of expects pipe, with fast response time, adjust accurate, anti-
Only the advantages of greasy dirt, low consumption environmental protection.
Preferred embodiments of the present utility model are the foregoing is only, as long as realizing the utility model with essentially identical means
The technical scheme of purpose is belonged within protection domain of the present utility model.
Claims (6)
1. a kind of expects pipe Wall Thickness Control System, an including mounting bracket（1）, mounting bracket（1）It is provided with an external mold（2）, its feature exists
In：The external mold（2）Internal activity be provided with one can relative to its movement and with the external mold（2）It is engaged to adjust expects pipe
The plug of wall thickness（3）, the plug（3）It is connected with the straight line driving mechanism of its movement of a driving（4）, the mounting bracket（1）On
It is provided with and the straight line driving mechanism（4）The servomotor being engaged（5）, the servomotor（5）It is moved to be connected with a control
The servo controller of work（6）.
2. a kind of expects pipe Wall Thickness Control System according to claim 1, it is characterised in that：The straight line driving mechanism（4）
Including with the servomotor（5）The leading screw of connection and the screw being screwed onto on the leading screw, the servomotor（5）Drive institute
State leading screw rotation, the screw and the plug（3）It is connected.
3. a kind of expects pipe Wall Thickness Control System according to claim 1 and 2, it is characterised in that：The servomotor（5）Even
It is connected to the rotary encoder for measuring its amount of spin（7）.
4. a kind of expects pipe Wall Thickness Control System according to claim 1 and 2, it is characterised in that：The plug（3）In under
Portion is provided with one and extends to the external mold（2）Outside convex portion（31）, the convex portion（31）It is provided with and can extend to outside described
Mould（2）Inside the first inclined-plane（311）.
5. a kind of expects pipe Wall Thickness Control System according to claim 4, it is characterised in that：The external mold（2）Inwall set
Have and the first inclined-plane（311）The second inclined-plane for matching（21）.
6. a kind of expects pipe Wall Thickness Control System according to claim 5, it is characterised in that：First inclined-plane（311）With
Second inclined-plane（21）It is all round platform inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621229363.3U CN206224253U (en) | 2016-11-15 | 2016-11-15 | A kind of expects pipe Wall Thickness Control System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621229363.3U CN206224253U (en) | 2016-11-15 | 2016-11-15 | A kind of expects pipe Wall Thickness Control System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206224253U true CN206224253U (en) | 2017-06-06 |
Family
ID=58793574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621229363.3U Active CN206224253U (en) | 2016-11-15 | 2016-11-15 | A kind of expects pipe Wall Thickness Control System |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206224253U (en) |
-
2016
- 2016-11-15 CN CN201621229363.3U patent/CN206224253U/en active Active
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