CN201603770U - Mandrel positioning accuracy control device of seamless tube extruding and fixing mandrel process - Google Patents
Mandrel positioning accuracy control device of seamless tube extruding and fixing mandrel process Download PDFInfo
- Publication number
- CN201603770U CN201603770U CN2009203187936U CN200920318793U CN201603770U CN 201603770 U CN201603770 U CN 201603770U CN 2009203187936 U CN2009203187936 U CN 2009203187936U CN 200920318793 U CN200920318793 U CN 200920318793U CN 201603770 U CN201603770 U CN 201603770U
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- China
- Prior art keywords
- valve
- rod end
- mandrel
- end chamber
- oil cylinder
- Prior art date
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- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title abstract description 5
- 238000010079 rubber tapping Methods 0.000 claims description 28
- 238000000605 extraction Methods 0.000 description 3
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
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- Extrusion Of Metal (AREA)
Abstract
The utility model belongs to the metallurgical equipment field, relating to the mandrel positioning accuracy control method of a fixing piercing mandrel in an extruder, in particular to a mandrel positioning accuracy control device of seamless tube extruding and fixing mandrel process. The device is characterized in that a piercing cylinder, a piston chamber filling valve, a piston chamber drain valve, a piston rod chamber filling valve and a piston rod chamber drain valve are included, the piston chamber filling valve and the piston chamber drain valve are connected on a piston chamber oil-way of the piercing cylinder, the piston rod chamber filling valve and the piston rod chamber drain valve are connected on a piston rod chamber oil-way of the piercing cylinder. Go-ahead and go-back of the piercing cylinder are respectively controlled by the piercing cylinder piston chamber filling valve, the piston chamber drain valve, the piston rod chamber filling valve and the piston rod chamber drain valve. The utility model provides the mandrel positioning accuracy control device of seamless tube extruding and fixing mandrel process which can improve the response speed of the piercing cylinder and the mandrel positioning accuracy of the fixing piercing mandrel as well as the inner surface quality of tube.
Description
Technical field
The utility model belongs to field of metallurgical equipment, and the fixedly pecker that relates in the extruder is decided the pin accuracy control method, and particularly seamless tubular goods extruding locking pin technology is decided the pin precision control device.
Background technology
In field of metallurgical equipment, particularly seamless tubular goods extruding locking pin technology decide pin precision control aspect, and in the existing double-acting extruding machine, locking pin technology is divided into mechanically decides pin and hydraulic pressure is decided the pin dual mode.It is huge that machinery is decided pin mode equipment, decides pin precision height.Original hydraulic pressure is decided the pin mode control modes that chamber before and after the pecker oil cylinder adopted rule of three respectively that adopt more, but because the open and close time of control valve is long, causes control accuracy very poor.
Summary of the invention
The purpose of this utility model provide a kind of improve the response speed of pecker oil cylinder and fixedly the seamless tubular goods extruding locking pin technology of the inner surface quality of deciding pin precision and tubing of pecker decide the pin precision control device.
The technical solution of the utility model is, seamless tubular goods extruding locking pin technology is decided the pin precision control device, it is characterized in that: which comprises at least the perforation oil cylinder, the plunger shaft inlet valve, the plunger shaft tapping valve, rod end chamber inlet valve and rod end chamber tapping valve, on the plunger shaft oil circuit of perforation oil cylinder, be connected with plunger shaft inlet valve and plunger shaft tapping valve, on the rod end chamber oil circuit of perforation oil cylinder, rod end chamber inlet valve and rod end chamber tapping valve are arranged, the forward-reverse of perforation oil cylinder is respectively by perforation oil cylinder piston chamber inlet valve, the plunger shaft tapping valve, rod end chamber inlet valve and the control of rod end chamber tapping valve, when plunger shaft inlet valve and the unlatching of rod end chamber tapping valve, rod end chamber inlet valve and plunger shaft tapping valve are closed, and perforation oil cylinder control punch pin advances; When rod end chamber inlet valve and the unlatching of plunger shaft tapping valve, plunger shaft inlet valve and rod end chamber tapping valve are closed, and perforation oil cylinder control punch pin retreats.
The rod end chamber of described perforation oil cylinder is connected with the high frequency response proportional servo valve, by rod end chamber oil-feed and the oil extraction control of high frequency response proportional servo valve to the perforation oil cylinder, the astern speed of Synchronization Control pecker and pressure ram pace.
The utility model has the advantages that: when fixedly pecker pushes, owing to adopt the ante-chamber oil-feed and the oil extraction of the proportional valve control pecker oil cylinder of high frequency response, the data of the displacement transducer by pecker and pressure ram relatively, the control punch pin moves forward and backward fast fast, make pecker motionless relatively, realize fixedly pecker technology with respect to the position of extruder frame.By adopting the proportioning valve of high frequency response, rapid-action PLC and detecting element, improve the response speed of pecker oil cylinder and fixedly pecker decide the pin precision, reach the control of internal surface of pipe quality.
Description of drawings
The utility model is described in further detail below in conjunction with the embodiment accompanying drawing:
Fig. 1 is the utility model example structure schematic diagram.
Among the figure: 1, perforation oil cylinder; 2, plunger shaft inlet valve; 3, plunger shaft tapping valve; 4, rod end chamber inlet valve; 5, rod end chamber tapping valve; 6, proportional servo valve; 7, guide's oil sources; 8, main pump oil sources.
The specific embodiment
As shown in Figure 1, seamless tubular goods extruding locking pin technology is decided the pin precision control device, at least comprise: perforation oil cylinder 1, plunger shaft inlet valve 2, plunger shaft tapping valve 3, rod end chamber inlet valve 4 and rod end chamber tapping valve 5, on the plunger shaft oil circuit of perforation oil cylinder 1, be connected with plunger shaft inlet valve 2 and plunger shaft tapping valve 3, on the rod end chamber oil circuit of perforation oil cylinder 1, rod end chamber inlet valve 4 and rod end chamber tapping valve 5 are arranged, the forward-reverse of perforation oil cylinder 1 is respectively by perforation oil cylinder piston chamber inlet valve 2, plunger shaft tapping valve 3, rod end chamber inlet valve 4 and 5 controls of rod end chamber tapping valve, when main pump oil sources 8 oil, plunger shaft inlet valve 2 and rod end chamber tapping valve 5 are opened, guide's oil sources 7 pressure oil control piston bar chamber inlet valves 4 cut out, plunger shaft tapping valve 3 is closed simultaneously, and perforation oil cylinder 1 control punch pin advances; When main pump oil sources 8 oil, rod end chamber inlet valve 4 and plunger shaft tapping valve 3 are opened, and guide's oil sources 7 pressure oil control piston chamber inlet valves 2 cut out, and rod end chamber tapping valve 5 is closed simultaneously, and perforation oil cylinder 1 control punch pin retreats.When fixing pecker, rod end chamber at perforation oil cylinder 1 is connected with high frequency response proportional servo valve 6, by the rod end chamber oil-feed and the oil extraction control of 6 pairs of perforation of high frequency response proportional servo valve oil cylinder 1, realize the astern speed and the pressure ram pace Synchronization Control of pecker.
Claims (2)
1. seamless tubular goods extruding locking pin technology is decided the pin precision control device, it is characterized in that: which comprises at least perforation oil cylinder (1), plunger shaft inlet valve (2), plunger shaft tapping valve (3), rod end chamber inlet valve (4) and rod end chamber tapping valve (5), on the plunger shaft oil circuit of perforation oil cylinder (1), be connected with plunger shaft inlet valve (2) and plunger shaft tapping valve (3), on the rod end chamber oil circuit of perforation oil cylinder (1) rod end chamber inlet valve (4) and rod end chamber tapping valve (5) are arranged, the forward-reverse of perforation oil cylinder (1) is respectively by perforation oil cylinder piston chamber inlet valve (2), plunger shaft tapping valve (3), rod end chamber inlet valve (4) and rod end chamber tapping valve (5) control.
2. seamless tubular goods extruding locking pin technology according to claim 1 is decided the pin precision control device, and it is characterized in that: the rod end chamber of described perforation oil cylinder (1) is connected with high frequency response proportional servo valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203187936U CN201603770U (en) | 2009-12-28 | 2009-12-28 | Mandrel positioning accuracy control device of seamless tube extruding and fixing mandrel process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203187936U CN201603770U (en) | 2009-12-28 | 2009-12-28 | Mandrel positioning accuracy control device of seamless tube extruding and fixing mandrel process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201603770U true CN201603770U (en) | 2010-10-13 |
Family
ID=42948479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203187936U Expired - Lifetime CN201603770U (en) | 2009-12-28 | 2009-12-28 | Mandrel positioning accuracy control device of seamless tube extruding and fixing mandrel process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201603770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042147A (en) * | 2012-12-31 | 2013-04-17 | 中国重型机械研究院股份公司 | Heavy forging and pressing device and high-speed hydraulic control method |
-
2009
- 2009-12-28 CN CN2009203187936U patent/CN201603770U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042147A (en) * | 2012-12-31 | 2013-04-17 | 中国重型机械研究院股份公司 | Heavy forging and pressing device and high-speed hydraulic control method |
| CN103042147B (en) * | 2012-12-31 | 2014-07-02 | 中国重型机械研究院股份公司 | Heavy forging and pressing device and high-speed hydraulic control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 710032 Shaanxi city in Xi'an province Xin Jiamiao East Road No. 209 yuan Patentee after: China National Heavy Machinery Research Institute Co., Ltd. Address before: 710032 Shaanxi city in Xi'an province Xin Jiamiao East yuan Road No. 209 Chinese Heavy Machinery Research Institute Co. Ltd. Patentee before: China National Heavy Machinery Research Institute Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20101013 |
|
| CX01 | Expiry of patent term |