CN104191356A - Pressurized sealing water-proof and dust-proof anti-collision grinding head - Google Patents
Pressurized sealing water-proof and dust-proof anti-collision grinding head Download PDFInfo
- Publication number
- CN104191356A CN104191356A CN201410497251.5A CN201410497251A CN104191356A CN 104191356 A CN104191356 A CN 104191356A CN 201410497251 A CN201410497251 A CN 201410497251A CN 104191356 A CN104191356 A CN 104191356A
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- CN
- China
- Prior art keywords
- grinding head
- head body
- axle sleeve
- main shaft
- grinding
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/002—Grinding heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a pressurized sealing water-proof and dust-proof anti-collision grinding head. The grinding head comprises a grinding head body and a main shaft, wherein the main shaft is mounted by adopting a single-orifice positioning structure and an end surface fixing anti-collision structure; in the single-orifice positioning structure, the rear end of a shaft sleeve is positioned in a rear inner hole in the grinding head body, and the rear end surface of the shaft sleeve is fixed on the grinding head body through a rear flange; in the end surface fixing anti-collision structure, the front end of the shaft sleeve is unmatched with a front inner hole in the grinding body, and the front end surface of the shaft sleeve is fixed on the grinding head body through a front flange; an upper radial adjusting screw, a lower radial adjusting screw, a left radial adjusting screw and a right radial adjusting screw are arranged on the grinding head body in a manner by surrounding the front end of the shaft sleeve; O-shaped rings at the front end and at the rear end of the sealing sleeve are mounted in a pressing manner between the front flange and the grinding head body and between the rear flange and the grinding head body; an air inlet communicated with a high-pressure air tube is formed in the grinding head body; a gas injecting hole penetrating out of the front end surface of the shaft sleeve is formed in the shaft sleeve. When the main shaft is collided during grinding, accuracy of the main shaft can be recovered by simply adjusting the radial adjusting screws; by adopting pressurized sealing, high-pressure coolant liquid, water mist, grit and other sundries in the grinding area are prevented from immersing into the bearing area at the front end of the main shaft.
Description
(1) technical field:
The present invention relates to grinding machine grinding wheel head structure, be specially the crashproof bistrique of the anti-water dust formula of a kind of pressurized seal.
(2) background technology:
Grinding machine is one of lathe that the scope of application is the widest, and it is widely used in industrial production every field, especially the industries such as mould, measuring tool, automobile, bearing machine-building is had more to important function.Along with continuing to bring out of technological innovation and high-tech product, the requirement on machining accuracy of machine components is more and more higher.Bistrique is as the core component of grinding machine, and main shaft, as its core part, is the key of obtaining high manufacturing accuracy, therefore ensures that the precision of main shaft seems particularly important.
At present, the mounting means of grinding spindle generally adopts the mode of two Internal hole positionings, end face screw fastening.This locate mode requires high to the perpendicularity of grinding head body two endoporus and end face, when bore hole, the axiality of grinding head body two endoporus is difficult to guarantee, easily occurs main shaft and grinding head body stuck phenomenon when assembling, and machined and assembly difficulty are large; On the other hand, clashing into if occur when grinding, is two Internal hole positionings, end face screw fastening mode because of what adopt, and main shaft precision is difficult to recover.
(3) summary of the invention:
For the deficiencies in the prior art part, the object of the invention is to propose a kind of rational in infrastructure, easy for installation, by adjusting the crashproof bistrique of the anti-water dust formula of pressurized seal that can recover main shaft precision, the further order of the present invention is for preventing in grinding process, and the foreign material such as high-pressure coolant, water smoke, sand grains immerse front-end of spindle bearing district.
For achieving the above object, the present invention has adopted following technical scheme:
The crashproof bistrique of the anti-water dust formula of pressurized seal, comprise grinding head body and main shaft, described main shaft comprises axle sleeve and axle core unlike the prior art, described axle core is by (rolling) bearing location and installation of axle sleeve two ends endoporus, and described main shaft adopts single hole location structure and the fixing Anti-collision structure of end face to be installed on grinding head body.The rear end that described single hole location structure is axle sleeve is positioned the rear endoporus of grinding head body, and axle sleeve rear end face is fixed on grinding head body by rear flange; The fixing Anti-collision structure of described end face be axle sleeve front end with the front endoporus of grinding head body without coordinating, axle sleeve front end face is fixed on grinding head body by forward flange, around axle sleeve front end, in grinding head body, four of upper and lower, left and right radiai adjustment screw is set.
In said structure, clash into if occur when grinding, need only unclamp forward flange, adjust main spindle's by radiai adjustment screw and can recover main shaft precision, after main shaft accuracy resumption, tighten forward flange.
Between described forward flange and grinding head body, press-fit the O shape circle of sealing axle sleeve front end, between described rear flange and grinding head body, press-fit the O shape circle of sealing axle sleeve rear end, thereby make to form enclosed cavity between grinding head body inside and axle sleeve, on described axle sleeve, offer the fumarole of pass-out axle sleeve front end face; In described grinding head body, offer the air inlet that is communicated with high-pressure air pipe, after gases at high pressure enter, described enclosed cavity forms pressurized seal district, and the dense gas of ejection forms the airtight axle sleeve front end face that is encapsulated in, and effectively stops that the foreign material such as high-pressure coolant, water smoke, sand grains immerse the front end bearing of axle core.
Beneficial effect of the present invention:
1, the crashproof bistrique of the anti-water dust formula of pressurized seal of the present invention adopts single Internal hole positioning and unique fixing Anti-collision structure of end face, front-end of spindle face is without screw fastening mode, reduction machine adds, assembly difficulty, meanwhile, the screw for adjusting main shaft precision is housed in grinding head body, clashes into if occur when grinding, need only can recover main shaft precision by screw adjustment, convenient, quick, greatly improve efficiency.
2, the present invention adopts pressurized seal technology, makes the high pressure gas that the external world passes into form pressurized seal district at grinding head body inner chamber, has stopped the immersion of the foreign material such as high-pressure coolant, water smoke, sand grains of grinding area, improves the life-span of rolling bearing and ensures the precision of main shaft.
(4) brief description of the drawings:
Fig. 1 is the structural representation of one embodiment of the present invention.
Figure number mark: 1, grinding head body; 2, main shaft; 3, radiai adjustment screw; 4, forward flange; 5, rear flange; 6, high-pressure air pipe; 7, O shape circle; 8, emery wheel; 9, motor.
(5) detailed description of the invention:
Below in conjunction with accompanying drawing illustrated embodiment, technical scheme of the present invention is described further.
The technical scheme of the crashproof bistrique of the anti-water dust formula of pressurized seal of the present invention, comprises grinding head body 1 and main shaft 2, and described grinding head body 1 is horizontal hollow structure, offers respectively coaxial front endoporus and rear endoporus on the front and rear end of grinding head body 1; Described main shaft 2 comprises axle sleeve and axle core, described axle core is by the rolling bearing location and installation of axle sleeve two ends endoporus, main shaft 2 adopts single hole location structure and the fixing Anti-collision structure of end face to be installed on grinding head body 1, before axle core, axle head projecting shaft cover front end is installed emery wheel 8, axle head projecting shaft cover rear end connect the output shaft of motor 9 by shaft coupling after axle core, as shown in Figure 1.
The single hole location structure that described main shaft 2 adopts is: the rear end of described axle sleeve coordinates with the rear Internal hole positioning of grinding head body 1, and axle sleeve rear end face is connected by screw mode by rear flange 5 and is fixed on grinding head body 1, as shown in Figure 1.
The fixing Anti-collision structure of end face that described main shaft 2 adopts is: the front end of described axle sleeve with the front endoporus of grinding head body 1 without coordinating, it is the point diameter that the front endoporus aperture of grinding head body 1 is greater than axle sleeve, the amount of being greater than is the crashproof amount of dodging of bistrique, axle sleeve front end face is connected by screw mode by forward flange 4 and is fixed on grinding head body 1, around the circumference of axle sleeve front end, in grinding head body 1, offer radial screw hole, four of upper and lower, left and right, each radial screw is all combined with radiai adjustment screw 3 in hole, as shown in Figure 1.
Between described forward flange 4 and grinding head body 1, press-fit O shape circle 7 with sealing axle sleeve front end, press-fit O shape and enclose 7 with sealing axle sleeve rear end equally between described rear flange 5 and grinding head body 1, through described sealed at both ends after, between grinding head body 1 inside and axle sleeve, form enclosed cavity; In described grinding head body 1, offer air inlet, described air inlet is communicated with the high-pressure air pipe 6 outside grinding head body 1, and described axle sleeve front end offers the fumarole (circumference uniform distribution) of pass-out axle sleeve front end face, as shown in Figure 1.
Function mode of the present invention:
If emery wheel 8 is clashed into when 1 grinding, cause main shaft 2 front ends dodging crooked in district and lose rotating accuracy; Now need only unclamp forward flange 4, can recover main shaft precision by the adjustment of four radiai adjustment screws 3, after main shaft accuracy resumption, again tighten forward flange 4.
2, when bistrique moves, gases at high pressure are entered the inner chamber between grinding head body 1 and main shaft 2 and are formed pressurized seal district by high-pressure air pipe 6, and form hermetic seal by the fumarole of axle sleeve front end face, the foreign material such as high-pressure coolant, water smoke, sand grains that stop grinding area immerse front-end of spindle bearing district, ensure effective operation of main shaft bearing.
Claims (2)
1. the crashproof bistrique of the anti-water dust formula of pressurized seal, comprise grinding head body (1) and main shaft (2), it is characterized in that: described main shaft (2) comprises axle sleeve and axle core, described axle core is by the bearing location and installation of axle sleeve two ends endoporus, described main shaft (2) adopts single hole location structure and the fixing Anti-collision structure of end face to be installed on grinding head body (1), the rear end that described single hole location structure is axle sleeve is positioned the rear endoporus of grinding head body (1), and axle sleeve rear end face is fixed on grinding head body (1) by rear flange (5); The front end that the fixing Anti-collision structure of described end face is axle sleeve with the front endoporus of grinding head body (1) without coordinating, axle sleeve front end face is fixed on grinding head body (1) by forward flange (4), around axle sleeve front end, in grinding head body (1), four the radiai adjustment screws in upper and lower, left and right (3) are set.
2. the crashproof bistrique of the anti-water dust formula of pressurized seal according to claim 1, it is characterized in that: the O shape circle (7) that press-fits sealing axle sleeve front end between described forward flange (4) and grinding head body (1), the O shape circle (7) that press-fits sealing axle sleeve rear end between described rear flange (5) and grinding head body (1), makes to form enclosed cavity between grinding head body (1) inside and axle sleeve; In described grinding head body (1), offer the air inlet that is communicated with high-pressure air pipe (6), on described axle sleeve, offer the fumarole of pass-out axle sleeve front end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410497251.5A CN104191356B (en) | 2014-09-25 | 2014-09-25 | Pressurized sealing water-proof and dust-proof anti-collision grinding head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410497251.5A CN104191356B (en) | 2014-09-25 | 2014-09-25 | Pressurized sealing water-proof and dust-proof anti-collision grinding head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104191356A true CN104191356A (en) | 2014-12-10 |
| CN104191356B CN104191356B (en) | 2017-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410497251.5A Active CN104191356B (en) | 2014-09-25 | 2014-09-25 | Pressurized sealing water-proof and dust-proof anti-collision grinding head |
Country Status (1)
| Country | Link |
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| CN (1) | CN104191356B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670960A (en) * | 2015-11-06 | 2017-05-17 | 中国科学院沈阳计算技术研究所有限公司 | Grinding head structure of crawling grinding machine |
| CN107553283A (en) * | 2017-10-18 | 2018-01-09 | 福州集力电子技术研究所 | Electric hand tool |
| CN112355841A (en) * | 2020-11-04 | 2021-02-12 | 深圳市精速五金机械有限公司 | Pneumatic grinding machine |
| CN112873045A (en) * | 2021-03-15 | 2021-06-01 | 广东思蒙数控设备有限公司 | Grinding head |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201705942U (en) * | 2010-05-06 | 2011-01-12 | 黄山高井电装轴承有限公司 | Spindle sealing device for grinding machine |
| CN202010925U (en) * | 2011-02-16 | 2011-10-19 | 东南大学 | Grinding device for high precision and ultra-thinned wafer |
| CN202614171U (en) * | 2012-04-26 | 2012-12-19 | 昆山江锦机械有限公司 | Coaxiality detection tool |
| CN103056769A (en) * | 2012-12-29 | 2013-04-24 | 广州市昊志机电股份有限公司 | Single-end double-grinding-wheel electric spindle |
| CN203579367U (en) * | 2012-05-25 | 2014-05-07 | 英格索尔-兰德公司 | Hand-held power tools |
| CN204094618U (en) * | 2014-09-25 | 2015-01-14 | 桂林桂北机器有限责任公司 | The crashproof bistrique of pressurized seal anti-water dust formula |
-
2014
- 2014-09-25 CN CN201410497251.5A patent/CN104191356B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201705942U (en) * | 2010-05-06 | 2011-01-12 | 黄山高井电装轴承有限公司 | Spindle sealing device for grinding machine |
| CN202010925U (en) * | 2011-02-16 | 2011-10-19 | 东南大学 | Grinding device for high precision and ultra-thinned wafer |
| CN202614171U (en) * | 2012-04-26 | 2012-12-19 | 昆山江锦机械有限公司 | Coaxiality detection tool |
| CN203579367U (en) * | 2012-05-25 | 2014-05-07 | 英格索尔-兰德公司 | Hand-held power tools |
| CN103056769A (en) * | 2012-12-29 | 2013-04-24 | 广州市昊志机电股份有限公司 | Single-end double-grinding-wheel electric spindle |
| CN204094618U (en) * | 2014-09-25 | 2015-01-14 | 桂林桂北机器有限责任公司 | The crashproof bistrique of pressurized seal anti-water dust formula |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670960A (en) * | 2015-11-06 | 2017-05-17 | 中国科学院沈阳计算技术研究所有限公司 | Grinding head structure of crawling grinding machine |
| CN107553283A (en) * | 2017-10-18 | 2018-01-09 | 福州集力电子技术研究所 | Electric hand tool |
| CN112355841A (en) * | 2020-11-04 | 2021-02-12 | 深圳市精速五金机械有限公司 | Pneumatic grinding machine |
| CN112873045A (en) * | 2021-03-15 | 2021-06-01 | 广东思蒙数控设备有限公司 | Grinding head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104191356B (en) | 2017-01-18 |
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