CN201446243U - Centre with forced propping and temperature compensation functions - Google Patents
Centre with forced propping and temperature compensation functions Download PDFInfo
- Publication number
- CN201446243U CN201446243U CN2009200475715U CN200920047571U CN201446243U CN 201446243 U CN201446243 U CN 201446243U CN 2009200475715 U CN2009200475715 U CN 2009200475715U CN 200920047571 U CN200920047571 U CN 200920047571U CN 201446243 U CN201446243 U CN 201446243U
- Authority
- CN
- China
- Prior art keywords
- centre
- workpiece
- liquid plastics
- bearing
- carrier
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Clamps And Clips (AREA)
Abstract
The utility model relates to a centre with forced propping and temperature compensation functions. The centre is characterized in that proper amount of liquid plastics is filled in the end part of a blind hole of a centre carrier, then an outer ring of a bearing is arranged at the orifice position of the centre carrier after a piston is arranged into the end part of the blind hole and the handle part of a rotating centre is provided with the bearing, and a gland, an oil injection nozzle and an adjusting screw are arranged, wherein the tail part a of the centre carrier is made into a corresponding taper so as to be matched with a kit of a tail base; the rotating centre is arranged in a hole in the middle of the centre carrier by the bearing on the handle of the rotating centre; the end part of the rotating centre is contacted with a main piston; a certain amount of liquid plastics is infused into the space enclosed by the main piston and the centre carrier; therefore, after a workpiece generates certain amount of certain heat, the rotating centre compresses the liquid plastics by the main piston, and as the liquid plastic has a certain compression amount, the elongation of the workpiece when being heated can be compensated.
Description
Technical field
It is top that the utility model relates to a kind of lathe, and particularly a kind of have the top of powerful clamping and temperature compensation function.Belong to the machine tool technical field.
Background technology
Top is standing instrument in the lathe, and it is that workpiece is played a supportive role on the one hand, plays the benchmark location on the other hand.At present top have a back dead centre, live center, and hydraulic pressure is top etc.In all these are top, in the production of reality, all there is different defective more or less.Back dead centre low price simple in structure, but because and have relative motion between the workpiece, the frictional force and the frictional heat that are produced are bigger, make location benchmark wearing and tearing easily, reduce the precision of workpiece processing.Simultaneously owing to there is not the function of temperature-compensating, the heat that produces in the machining and other fricative heat make workpiece flexural deformation easily, have influence on the quality of product, though the frictional heat that relative motion produced between live center and the workpiece is few, therefore the function that does not equally also have heat compensation equally also can produce the certain mass problem.It is not strong that above-mentioned in addition two kinds of structures top also exists clamping force, clamping force is regulated the defective of inconvenience in the work, be not suitable for producing in batches, the processing of heavy workpiece etc. are though the top function that has temperature-compensating to a certain extent of hydraulic pressure is easy to use, clamping force is powerful, but whole system is comparatively complicated, and cost is higher, inconvenient maintenance.
Summary of the invention
The purpose of this utility model is: a kind of the top of powerful clamping and temperature compensation function that have is provided, and its top simple use is easy to maintenance, can effectively overcome the defective of above-mentioned top existence.
The technical scheme that the utility model is adopted for achieving the above object is: a kind of have the top of powerful clamping and temperature compensation function, and it is by live centre, top supporting body, bearing, spacer, piston, liquid plastics, adjustment screw, pump nozzle, and composition such as gland.It is characterized in that: live centre is installed in the middle hole of top supporting body by the bearing on its handle, the end of live centre handle contacts with main piston, in the space that main piston and top supporting body sealed, inject the liquid plastics of some, so after workpiece produces certain heat, live centre compresses liquid plastics by main piston, because liquid plastics has certain decrement, so can remedy the elongation that workpiece is heated.In addition for the ease of workpiece is produced stronger clamping top power, and to the adjustment of thrust, having the Screw hole in the suitable place of the locus at liquid plastics place communicates with the external world, be screwed into adjustment screw in the screw hole, earlier workpiece being carried out common mode during work clamps, tightening adjustment screw as required afterwards, making the liquid plastics compression, live centre is being clamped workpiece by piston.
The utility model is achieved in that the liquid plastics with an amount of is filled into the blind bore end of top carrier, after the piston of then packing into is loaded onto bearing with the shank of live centre, be installed to the position, aperture of top carrier with the outer ring of bearing, load onto gland, pump nozzle and adjustment screw get final product, wherein the afterbody a of top carrier makes corresponding tapering, so that match with the external member of tailstock. live centre is installed in the middle hole of top supporting body by the bearing on its handle, the end of live centre handle contacts with main piston, in the space that main piston and top supporting body sealed, inject the liquid plastics of some, so after workpiece produces certain heat, live centre compresses liquid plastics by main piston, because liquid plastics has certain decrement, so can remedy the elongation that workpiece is heated. in addition for the ease of workpiece is produced stronger clamping top power, and to the adjustment of thrust, having the Screw hole in the suitable place of the locus at liquid plastics place communicates with the external world, be screwed into adjustment screw in the screw hole, earlier workpiece being carried out common mode during work clamps, tightening adjustment screw as required afterwards, make the liquid plastics compression, live centre clamped workpiece by piston.
The utility model beneficial effect is: because live centre has the axially movable free degree in this cover mechanism, can compensate the elongation that workpiece Yin Wendu raises and produced to a certain extent, overcome the quality problems that therefore might produce, simultaneously because the mode that adopts adjustment screw that liquid plastics is compressed, so not only can produce bigger clamping force, clamping force is regulated also more convenient simultaneously.
Description of drawings
Accompanying drawing is a schematic diagram of the present utility model.
Shown in the figure: 1, live centre; 2, top supporting body; 3, bearing; 4, spacer; 5, piston; 6, liquid plastics; 7, adjustment screw; 8, pump nozzle; 9, gland.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.
An amount of liquid plastics (6) is filled into the blind bore end of top (1) carrier, after the piston (5) of then packing into is loaded onto bearing (3) with the shank of live centre, be installed to the position, aperture of top carrier (2) with the outer ring of bearing, load onto gland (9), pump nozzle (8) and adjustment screw (7) get final product, wherein the afterbody a of top carrier makes corresponding tapering, so that match with the external member of tailstock.Live centre (1) is installed in the middle hole of top supporting body (2) by the bearing on its handle (3), the end of live centre (1) handle contacts with main piston, in the space that main piston (5) and top supporting body (2) are sealed, inject the liquid plastics (6) of some, so after workpiece produces certain heat, live centre (1) is by main piston (5) compression liquid plastics, because liquid plastics (6) has certain decrement, so can remedy the elongation that workpiece is heated.In addition for the ease of workpiece is produced stronger clamping top power, and to the adjustment of thrust, having the Screw hole in the suitable place of the locus at liquid plastics (6) place communicates with the external world, be screwed into adjustment screw (7) in the screw hole, earlier workpiece being carried out common mode during work clamps, tightening adjustment screw (7) as required afterwards, making liquid plastics (6) compression, live centre (1) is being clamped workpiece by piston (5).
Claims (1)
1. one kind has the top of powerful clamping and temperature compensation function, it is characterized in that: the blind bore end that an amount of liquid plastics (6) is filled into top (1) carrier, after the piston (5) of then packing into is loaded onto bearing (3) with the shank of live centre, be installed to the position, aperture of top carrier (2) with the outer ring of bearing, load onto gland (9), pump nozzle (8) and adjustment screw (7) get final product, and wherein the afterbody a of top carrier makes corresponding tapering, so that match with the external member of tailstock.Live centre (1) is installed in the middle hole of top supporting body (2) by the bearing on its handle (3), the end of live centre (1) handle contacts with main piston, in the space that main piston (5) and top supporting body (2) are sealed, inject the liquid plastics (6) of some, so after workpiece produces certain heat, live centre (1) is by main piston (5) compression liquid plastics, because liquid plastics (6) has certain decrement, so can remedy the elongation that workpiece is heated.In addition for the ease of workpiece is produced stronger clamping top power, and to the adjustment of thrust, having the Screw hole in the suitable place of the locus at liquid plastics (6) place communicates with the external world, be screwed into adjustment screw (7) in the screw hole, earlier workpiece being carried out common mode during work clamps, tightening adjustment screw (7) as required afterwards, making liquid plastics (6) compression, live centre (1) is being clamped workpiece by piston (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200475715U CN201446243U (en) | 2009-07-02 | 2009-07-02 | Centre with forced propping and temperature compensation functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200475715U CN201446243U (en) | 2009-07-02 | 2009-07-02 | Centre with forced propping and temperature compensation functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201446243U true CN201446243U (en) | 2010-05-05 |
Family
ID=42550953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200475715U Expired - Fee Related CN201446243U (en) | 2009-07-02 | 2009-07-02 | Centre with forced propping and temperature compensation functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201446243U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737032A (en) * | 2013-12-19 | 2014-04-23 | 中山市加贝五金模具有限公司 | Precision live center for tool machining |
-
2009
- 2009-07-02 CN CN2009200475715U patent/CN201446243U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737032A (en) * | 2013-12-19 | 2014-04-23 | 中山市加贝五金模具有限公司 | Precision live center for tool machining |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204700591U (en) | A kind of self adaptation clamp system | |
| CN103273346B (en) | Soft thin-walled revolution workpiece coating machine parts'precise clamping device | |
| CN101837468A (en) | Centre with powerful clamping and temperature compensating functions | |
| CN203696522U (en) | Clamp fixture for bearing inner race machining | |
| CN201446243U (en) | Centre with forced propping and temperature compensation functions | |
| CN203696540U (en) | Eccentric outer circle machining device for mandrel rod | |
| CN202462020U (en) | Clamp for processing countersunk head bolt or screw | |
| CN206925603U (en) | Double glazing clamp for machining switching mechanism | |
| CN101837470A (en) | Novel tip mechanism with strong tightly-pressing function for machine tool | |
| CN203401395U (en) | External grinding tool used for sleeve type part | |
| CN203936662U (en) | A kind of output shaft dicyclo positioning fixture | |
| CN203460056U (en) | Grinding axle shaft gear clamp | |
| CN206689451U (en) | A kind of workpiece pre-tightening mechanism | |
| CN202846173U (en) | Beam locking device of vertical lathe | |
| CN204770716U (en) | Static pressure tailstock structure | |
| CN208788073U (en) | A kind of outside piston finishing clamping device | |
| CN207171581U (en) | A kind of milling face fixture of dual-workpiece | |
| CN201513409U (en) | Structure of hydraulic support cylinder body | |
| CN202278406U (en) | Universal pressing head | |
| CN103949908A (en) | Lathe fixture for machining spherical surface and end surface of inner hole | |
| CN202780619U (en) | Adjustable pressure plate | |
| CN103624577A (en) | Adjustable pressing plate | |
| CN204165855U (en) | Sclerometer integrated main shaft loading and unloading device | |
| CN204504414U (en) | A kind of quick-clamping alignment device for the gear hobbing of tooth axle and clamping centering structure thereof | |
| CN210759425U (en) | Material supporting base of isostatic pressing forming machine |
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: 20100505 Termination date: 20100702 |