CN201309077Y - Protection device for vertical lathe worktable - Google Patents
Protection device for vertical lathe worktable Download PDFInfo
- Publication number
- CN201309077Y CN201309077Y CNU2008201304076U CN200820130407U CN201309077Y CN 201309077 Y CN201309077 Y CN 201309077Y CN U2008201304076 U CNU2008201304076 U CN U2008201304076U CN 200820130407 U CN200820130407 U CN 200820130407U CN 201309077 Y CN201309077 Y CN 201309077Y
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- China
- Prior art keywords
- worktable
- vertical lathe
- displacement sensor
- protection device
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to the design technical field of vertical lathe worktables, in particular to a protection device for a vertical lathe worktable, comprising a worktable (1) and a base (2). The protection device is characterized in that an analog displacement sensor (3) is arranged between the worktable (1) and the base (2), and connected with a programmable controller (4); the programmable controller (4) is connected with a CPU (5), and the CPU (5) is connected with a linear motor driver (6). The protection device is provided with a displacement sensor on a hydrostatic guideway surface of the worktable base, and utilizes an analog signal input module of an S7-300 PLC programmable controller to detect the distance between the worktable and the displacement sensor so as to judge the thickness of an oil film of the hydrostatic guideway and protect the hydrostatic guideway from grinding because the oil film is thin. The utility model improves the use efficiency of a lathe, and shortens the standing time.
Description
Technical field
The utility model technology relates to the design field of vertical lathe workstation, relates in particular to a kind of protective device of vertical lathe workstation.
Background technology
Vertical lathe is indispensable a kind of important production equipment during modern industry is produced, and mainly is applicable to the processing of disk-like accessory.Characteristics such as it is big to have weight capacity, and the clamping workpiece convenience and the cutting moment of torque are big.The workbench hydrostatic slideway has 12 oil pockets, selects bull equivalent separator fuel feeding for use, thereby makes workbench obtain the floatation volume of about 0.04mm.The C5250 series vertical lathe that my company produces, maximum processing work diameter phi 5000mm, maximum height of workpiece 2500mm, maximum workpiece weight can reach 32 tons.This just requires table slide will guarantee reliable oil film rigidity, and uniform floatation volume is arranged around ring-shaped guide rail.As Fig. 1, well-known, hydraulic system is reliable, but is very fragile, and the dirt of any a wee bit all can cause oil circuit to stop up.Cause the lathe cisco unity malfunction, even more serious is can grind to hinder guide rail, very only can damage knife rest.
In the prior art, in the use of vertical lathe, the prevention traditional way of problem that the lathe that causes damages because the guide rail static-pressure system breaks down is pressure and the flow that adding pressure switch and flow signalling generator detect hydraulic system in hydraulic circuit.But because pressure switch and flow signalling generator inconvenience all connect in the oil circuit of each oil pocket, if there is an oil pocket to stop up, but pressure switch and flow signalling generator differ and detect surely, and lathe still just works on, and will cause workpiece to be machined to scrap or the lathe damage like this.
Summary of the invention
The purpose of this utility model is to avoid the deficiencies in the prior art that a kind of protective device of vertical lathe workstation is provided, thereby has effectively solved the problem that prior art exists.
For achieving the above object; the technical scheme that the utility model is taked is: the protective device of described a kind of vertical lathe workstation; include workbench (1) and base (2); its characteristics are: be provided with mimotope displacement sensor (3) between described workbench (1) and the base (2); mimotope displacement sensor (3) links to each other with programmable controller (4); programmable controller (4) links to each other with CPU (5), and CPU (5) links to each other with linear motor driver (6).
Described mimotope displacement sensor (3) is two, and two mimotope displacement sensors are 180 degree angle settings.
The beneficial effects of the utility model, the protective device of described a kind of vertical lathe workstation, it is by being equipped with displacement transducer on the hydrostatic slideway face of table base.Utilize the analog signal input module testing platform of S7-300 type PLC Programmable Logic Controller and the distance of displacement transducer, thereby judge the oil film thickness of hydrostatic slideway, grind owing to oil film thickness is too little in order to protection and hinder hydrostatic slideway.It has improved the service efficiency of lathe, reduces down time.
Description of drawings
Fig. 1 is the utility model structural principle schematic diagram;
Fig. 2 is the installation site schematic diagram of mimotope displacement sensor (3) on vertical lathe of the utility model Fig. 1.
The specific embodiment
Be described in further detail below in conjunction with the most preferred embodiment shown in the accompanying drawing.
Embodiment 1; see Fig. 1,2; the protective device of described a kind of vertical lathe workstation; include workbench 1 and base 2; its characteristics are: be provided with mimotope displacement sensor 3 between described workbench 1 and the base 2; mimotope displacement sensor 3 links to each other with programmable controller 4, and programmable controller 4 links to each other with CPU 5, and CPU 5 links to each other with linear motor driver 6.Described mimotope displacement sensor 3 is two, and two mimotope displacement sensors are 180 degree angle settings.
The protective device of described a kind of vertical lathe workstation, in the workbench rotary course, the size of distance between workbench and the hydrostatic slideway changes the voltage signal of 0～10V into by displacement transducer.This voltage signal is input to by analog input module among the CPU of PLC, and real-time calculates, compares, in case go beyond the scope, PLC sends stop sign to linear motor driver, and shows fault message on guidance panel; PLC is by calculating and relatively, the floatation volume that judges whether workbench in the scope that requires, if floatation volume less than the distance that requires, PLC sends cutoff command to linear motor driver.
Claims (2)
1. the protective device of a vertical lathe workstation; include workbench (1) and base (2); it is characterized in that: be provided with mimotope displacement sensor (3) between described workbench (1) and the base (2); mimotope displacement sensor (3) links to each other with programmable controller (4); programmable controller (4) links to each other with CPU (5), and CPU (5) links to each other with linear motor driver (6).
2. the protective device of a kind of vertical lathe workstation as claimed in claim 1, it is characterized in that: described mimotope displacement sensor (3) is two, two mimotope displacement sensors are 180 degree angle settings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201304076U CN201309077Y (en) | 2008-12-11 | 2008-12-11 | Protection device for vertical lathe worktable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201304076U CN201309077Y (en) | 2008-12-11 | 2008-12-11 | Protection device for vertical lathe worktable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201309077Y true CN201309077Y (en) | 2009-09-16 |
Family
ID=41106329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201304076U Expired - Fee Related CN201309077Y (en) | 2008-12-11 | 2008-12-11 | Protection device for vertical lathe worktable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201309077Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001022A (en) * | 2010-10-27 | 2011-04-06 | 威海华东数控股份有限公司 | Floating amount on-line detection device of workbench hydrostatic slideway |
| CN102189412A (en) * | 2011-05-13 | 2011-09-21 | 东北大学 | Active control closed-type hydrostatic guide rail |
-
2008
- 2008-12-11 CN CNU2008201304076U patent/CN201309077Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001022A (en) * | 2010-10-27 | 2011-04-06 | 威海华东数控股份有限公司 | Floating amount on-line detection device of workbench hydrostatic slideway |
| CN102189412A (en) * | 2011-05-13 | 2011-09-21 | 东北大学 | Active control closed-type hydrostatic guide rail |
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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: 20090916 Termination date: 20111211 |