CN201275724Y - Grinding head apparatus with multiple sand wheel main shaftings - Google Patents
Grinding head apparatus with multiple sand wheel main shaftings Download PDFInfo
- Publication number
- CN201275724Y CN201275724Y CNU2008201231840U CN200820123184U CN201275724Y CN 201275724 Y CN201275724 Y CN 201275724Y CN U2008201231840 U CNU2008201231840 U CN U2008201231840U CN 200820123184 U CN200820123184 U CN 200820123184U CN 201275724 Y CN201275724 Y CN 201275724Y
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- dynamic
- grinding
- grinding head
- shaft system
- hydrostatic
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Abstract
The utility model discloses a grinding head device equipped with a plurality of grinding wheel main shaft systems. The grinding head device comprises a grinding head case body, a dynamic-static pressure shaft system, a dynamic-pressure shaft system, an electric main shaft system, an oil-supplying device and a cooling device. The dynamic-static pressure shaft system, the dynamic-pressure shaft system and the electric main shaft system are respectively arranged on the grinding head case body; radial supporting bearings at the front end and the rear end of the dynamic-static pressure shaft system are liquid dynamic-static pressure bearings, and a thrust bearing of the dynamic-static pressure shaft system is the liquid dynamic-static pressure bearing; the liquid dynamic-static pressure bearings are respectively connected with the separate oil-supplying device; an overflow valve outlet of the oil-supplying device is connected with an oil pool of the dynamic-static pressure shaft system; and a condenser pipe of the cooling device is arranged in the oil pool of the dynamic-pressure shaft system. By utilizing a forced circulation system of main shaft lubricating oil, the dynamic-static pressure shaft system is arranged on a grinding head which can revolve; by utilizing the dynamic-static pressure shaft system, the dynamic-pressure shaft system and the electric main shaft system which are arranged on the grinding head case body, a plurality of grinding wheels used for grinding excircles, end faces and inner holes of revolving body parts can be installed at the same time, thus realizing high-speed grinding, high-efficiency grinding, high-precision grinding and inner hole grinding of the grinding wheels.
Description
Technical field
The utility model is about a kind of equipment for grinding, more particularly, and about a kind of grinding head device that a plurality of grinding wheel main shaftings are housed.
Background technology
Along with industrial restructuring, the product up-gradation of industries such as military project, aviation, automobile, instrument, its requirement to machine-tool also improves constantly.And can extraordinaryly satisfy its demand based on the Compound Machining equipment of Combined Machining Technology.
But there is certain problem in the grinding head device of present composite grinding processing, and not high enough as machining accuracy and working (machining) efficiency etc., the dynamic and hydrostatic of use is an oil return difficulty etc.
The utility model content
In view of this, main purpose of the present utility model is to provide a kind of grinding head device that a plurality of grinding wheel main shaftings are housed of high rigidity, high accuracy, the use of high efficiency composite grinding process equipment.
In order to achieve the above object, the technical solution of the utility model is achieved in that a kind of grinding head device that a plurality of grinding wheel main shaftings are housed, it includes grinding head box body, dynamic and hydrostatic system, dynamic pressure axle system, electric main shaft system, fueller, cooling device, described dynamic and hydrostatic is, described dynamic pressure axle is and described electric main shaft is to be separately positioned on the described grinding head box body
The front and back ends radial support bearing that described dynamic and hydrostatic is is the hydrodynamic and hydrostatic pressure bearing,
The thrust bearing that described dynamic and hydrostatic is is the hydrodynamic and hydrostatic pressure bearing,
Described hydrodynamic and hydrostatic pressure bearing is connected with independent fueller respectively,
The overflow valve outlet of described fueller is connected with the oil sump that described dynamic and hydrostatic is,
The condenser pipe of described cooling device is arranged in the oil sump of described dynamic pressure axle system.
Described fueller includes oil pump, coarse filtration, smart filtration, pressure indicator, pressure indicator switch, pressure switch, overflow valve and fueller fuel tank.
Described dynamic and hydrostatic system and described dynamic pressure axle system include drive unit respectively.
Described drive unit includes motor, electric machine support, belt pulley and driving belt, and described motor is arranged on the described electric machine support, and described electric machine support is arranged on the described grinding head box body
The bush(ing) bearing of the front and back ends of described dynamic pressure axle system and the mating surface of main shaft are 1: 20 conical surface, and forward and backward bearing is the same conical surface, and the oil chamber is provided with condenser pipe.
Beneficial effect after the employing technique scheme is: the grinding head device that a plurality of grinding wheel main shaftings are housed of the present utility model, can be by the forced circulation system of spindle oil, make dynamic and hydrostatic system be arranged on can rotating bistrique on, by dynamic and hydrostatic system, dynamic pressure axle system, the electric main shaft system that is provided with on the grinding head box body, the multiple emery wheel of cylindrical, end face, endoporus that is used for the grinding rotary part can be installed simultaneously, realize high-speed and high-efficiency grinding, high-precision grinding, the inner hole grinding of bistrique respectively.
Description of drawings
Fig. 1 is a kind of schematic diagram that the grinding head device of a plurality of grinding wheel main shaftings is housed in the utility model, and this there is shown partial sectional view simultaneously;
Fig. 2 is the principle schematic of fueller of the present utility model;
Fig. 3 is a kind of schematic top plan view that the grinding head device of a plurality of grinding wheel main shaftings is housed in the utility model;
The schematic side view that Fig. 4 is a side for a kind of dynamic and hydrostatic that the grinding head device of a plurality of grinding wheel main shaftings is housed in the utility model;
Fig. 5 is the schematic side view of a side for a kind of dynamic pressure axle that the grinding head device of a plurality of grinding wheel main shaftings is housed in the utility model.
The specific embodiment
Below in conjunction with accompanying drawing specific embodiment in the utility model is described in further detail.
As shown in Figure 1, a kind of grinding head device that a plurality of grinding wheel main shaftings are housed of the present utility model, include grinding head box body 1, dynamic and hydrostatic is 2, the dynamic pressure axle is 3, the electricity main shaft is 4, cooling device, fueller 6, wherein, dynamic and hydrostatic is 2, the dynamic pressure axle is 3, the electricity main shaft is 4 to be separately positioned on the grinding head box body 1, dynamic and hydrostatic be 2 before, the rear end radial support bearing is the hydrodynamic and hydrostatic pressure bearing, dynamic and hydrostatic is that 2 thrust bearing is the hydrodynamic and hydrostatic pressure bearing, described hydrodynamic and hydrostatic pressure bearing is connected with independent fueller 6 respectively, outlet of the overflow valve of fueller 6 and dynamic and hydrostatic are that 2 oil sump is connected, and it is in 3 the oil sump that the condenser pipe 5 of cooling device is arranged on the dynamic pressure axle.
The dynamic pressure axle is that the bush(ing) bearing of 3 front and back ends and the mating surface of main shaft are 1: 20 conical surface, and forward and backward bearing is the same conical surface, and the oil chamber is provided with condenser pipe.
Shown in Fig. 3-5, dynamic and hydrostatic be 2 and the dynamic pressure axle be 3 also to comprise drive unit respectively, described drive unit comprises motor 7, motor 8, electric machine support 9, motor pulley 10, V belt 11, spindle pulley 12, electric machine support 13, motor pulley 14, polywedge bet 15, spindle pulley 16.Motor 7, motor 8 are arranged on electric machine support 9, the electric machine support 13, and electric machine support 9, electric machine support 13 are arranged on the grinding head box body 1.
Grinding head device compact in design of the present utility model, the structural rigidity height.Suitable high dynamically corresponding requirement.Wherein, dynamic and hydrostatic is that 2 precision are good, rigidity is high, suitable high speed, high efficient grinding.The dynamic pressure axle is that 3 precision are good, suitable high-precision grinding.The electricity main shaft is 4 to be applicable to inner hole grinding.
High rigidity of the present utility model, high accuracy, the high efficiency grinding head device that a plurality of grinding wheel main shaftings are housed, driving high rigidity dynamic and hydrostatic by described drive unit is, φ 500 * 80 * φ 203 emery wheels that dynamic and hydrostatic system installs by axle head are realized the high-speed grinding to workpiece; In that being carried out composite grinding, workpiece adds man-hour, high efficiency corase grind, half precision grinding process finished; By the revolution of B axle, and be equipped with trimming device, realize plunge-cutting at any angle workpiece end face, cylindrical.Need get back to the requirement of fueller fuel tank smoothly at the lubricating oil of dynamic and hydrostatic system, be linked into by overflow valve outlet in the oil sump of the dynamic and hydrostatic system in the grinding head box body fueller, make spindle oil realize forced circulation between fueller and dynamic and hydrostatic system, having solved and having used dynamic and hydrostatic on the revolution bistrique is the oil return difficult problem.Drive high accuracy dynamic pressure axle system by described drive unit, φ 400 * 50 * φ 203 emery wheels that dynamic pressure axle system installs by axle head are realized the high-precision grinding to workpiece; In that being carried out composite grinding, workpiece adds man-hour, the high-precision precision grinding process of finishing.By being arranged on the dynamic pressure axle is condenser pipe in the oil sump, realizes the cooling to dynamic pressure axle system.By electric main shaft is that the interior grinding abrasive disk of installing is finished inner hole grinding.The grinding head device that many grinding wheel main shaftings are housed of the present utility model is installed in the composite grinding in the heart, by X-axis and the interlock of Z axle, X-axis and the interlock of C axle, realizes the composite grinding processing of outer round surface, the outer conical surface to workpiece, non-circular surfaces, end face, endoporus.
The above only is a preferable possible embodiments of the present utility model, is not in order to limit scope of the present utility model.
Claims (5)
1, a kind of grinding head device that a plurality of grinding wheel main shaftings are housed, it includes grinding head box body, dynamic and hydrostatic system, dynamic pressure axle system, electric main shaft system, fueller, cooling device, described dynamic and hydrostatic is, described dynamic pressure axle is and described electric main shaft is to be separately positioned on the described grinding head box body, it is characterized in that
The front and back ends radial support bearing that described dynamic and hydrostatic is is the hydrodynamic and hydrostatic pressure bearing,
The thrust bearing that described dynamic and hydrostatic is is the hydrodynamic and hydrostatic pressure bearing,
Described hydrodynamic and hydrostatic pressure bearing is connected with independent fueller respectively,
The overflow valve outlet of described fueller is connected with the oil sump that described dynamic and hydrostatic is,
The condenser pipe of described cooling device is arranged in the oil sump of described dynamic pressure axle system.
2, a kind of grinding head device that a plurality of grinding wheel main shaftings are housed according to claim 1, it is characterized in that described fueller includes oil pump, coarse filtration, smart filtration, pressure indicator, pressure indicator switch, pressure switch, overflow valve and fueller fuel tank.
3, a kind of grinding head device that a plurality of grinding wheel main shaftings are housed according to claim 1 is characterized in that, described dynamic and hydrostatic system and described dynamic pressure axle system include drive unit respectively.
4, a kind of grinding head device that a plurality of grinding wheel main shaftings are housed according to claim 3, it is characterized in that, described drive unit includes motor, electric machine support, belt pulley and driving belt, described motor is arranged on the described electric machine support, and described electric machine support is arranged on the described grinding head box body.
5, a kind of grinding head device that a plurality of grinding wheel main shaftings are housed according to claim 1, it is characterized in that, the bush(ing) bearing of the front and back ends of described dynamic pressure axle system and the mating surface of main shaft are the 1:20 conical surface, and forward and backward bearing is the same conical surface, and the oil chamber is provided with condenser pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201231840U CN201275724Y (en) | 2008-10-24 | 2008-10-24 | Grinding head apparatus with multiple sand wheel main shaftings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201231840U CN201275724Y (en) | 2008-10-24 | 2008-10-24 | Grinding head apparatus with multiple sand wheel main shaftings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201275724Y true CN201275724Y (en) | 2009-07-22 |
Family
ID=40893302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201231840U Expired - Lifetime CN201275724Y (en) | 2008-10-24 | 2008-10-24 | Grinding head apparatus with multiple sand wheel main shaftings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201275724Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101722471B (en) * | 2008-10-24 | 2012-11-21 | 北京第二机床厂有限公司 | Grinding head device with a plurality of grinding wheel main shafting |
| CN102962766A (en) * | 2012-12-03 | 2013-03-13 | 东南大学 | Super-speed precision motorized spindle structure for grinding small-diameter deep hole |
-
2008
- 2008-10-24 CN CNU2008201231840U patent/CN201275724Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101722471B (en) * | 2008-10-24 | 2012-11-21 | 北京第二机床厂有限公司 | Grinding head device with a plurality of grinding wheel main shafting |
| CN102962766A (en) * | 2012-12-03 | 2013-03-13 | 东南大学 | Super-speed precision motorized spindle structure for grinding small-diameter deep hole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090722 Effective date of abandoning: 20081024 |
|
| RGAV | Abandon patent right to avoid regrant |