CN110202473A - A kind of sapphire Internal Spherical Surface grinding skive - Google Patents
A kind of sapphire Internal Spherical Surface grinding skive Download PDFInfo
- Publication number
- CN110202473A CN110202473A CN201910564942.5A CN201910564942A CN110202473A CN 110202473 A CN110202473 A CN 110202473A CN 201910564942 A CN201910564942 A CN 201910564942A CN 110202473 A CN110202473 A CN 110202473A
- Authority
- CN
- China
- Prior art keywords
- grinding
- side wall
- spherical surface
- knife handle
- internal spherical
- 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.)
- Pending
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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
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- 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
- B24B45/00—Means for securing grinding wheels on rotary arbors
- B24B45/003—Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
- B24D3/06—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
- B24D3/10—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements for porous or cellular structure, e.g. for use with diamonds as abrasives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
- B24D7/18—Wheels of special form
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a kind of sapphire Internal Spherical Surface grinding skives, including knife handle, matrix and grinding part, the bottom end face of the knife handle is provided with multiple threaded holes, described matrix is in the bowl shape of indent, through-hole corresponding with threaded hole is distributed on the end face side wall of matrix, screw is equipped in through-hole, the end of screw is inserted into corresponding threaded hole by being threadedly engaged, ring-shaped step slot is offered in the opening outer circumferential walls of described matrix, filling forms the grinding part of annular in ring-shaped step slot.Structure of the invention design rationally, grinding efficiency is high, grinding intensity is big, grinding stiffness is strong, grinding accuracy is good and can Fast Installation on numerical control machining center main shaft.
Description
Technical field
The present invention relates to grinding knife tool technical field, specially a kind of sapphire Internal Spherical Surface grinding skive.
Background technique
Sapphire has the excellent performances such as good mechanical performance, high temperature resistant, heat shock resistance, translucidus be good, thus wide
Infrared window, optical rectification cover, such as air-to-air missile radome fairing are done in general application.
Sapphire dome purposes is special, and surface quality is particularly important.Usually precise polished is in sapphire dome
Last procedure of convex spheroid machining, the purpose is to remove cutting, the tool marks on surface, defective material in grinding process, to obtain more
The radome fairing of high-profile precision, surface smoothness.Currently, having jet stream for the process of sapphire dome inner surface polishing
The modes such as polishing, Magnetorheological Polishing, polishing removal amount are very small, it is therefore desirable to preceding grinding together or machining is more as far as possible goes
Surplus, and process ball surface in the good sapphire of type face precision.But current sapphire dome grinding internal surface processing
Grinding wheel is mostly cylindrical mounted point grinding wheel, and grinding removal amount is small, and grinding wheel poor rigidity, grinding accuracy is low, and is difficult in numerical control processing
Heart processing.
To solve the above problems, this application provides a kind of sapphire dome Internal Spherical Surface grinding grinding wheels.
Summary of the invention
That the purpose of the present invention is to provide a kind of grinding efficiencies is high, grinding intensity is big, grinding stiffness is strong, grinding accuracy is good and
Can Fast Installation in the sapphire Internal Spherical Surface grinding skive on numerical control machining center main shaft, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of sapphire Internal Spherical Surface grinding skive, including knife handle, matrix and grinding part, the bottom of the knife handle
End surface is provided with multiple threaded holes, and described matrix is in the bowl shape of indent, is distributed on the end face side wall of matrix and threaded hole
Corresponding through-hole is equipped with screw in through-hole, and the end of screw is inserted into corresponding threaded hole by being threadedly engaged, the base
Ring-shaped step slot is offered in the opening outer circumferential walls of body, filling forms the grinding part of annular in ring-shaped step slot.
Preferably, the knife handle includes integrally formed taper cartridge part and installation rotary table, the top end of taper cartridge part
Face center offers center screw hole, offers withdrawing annular groove on taper cartridge part and the outer wall of installation rotary table junction, installs
The trapezoidal annular mounting groove in section is offered in the outer circumferential walls of rotary table, is installed and is also provided with perforation in the outer circumferential walls of rotary table
The installation keyway of annular mounting groove, threaded hole are provided on the bottom end face of installation rotary table.
Preferably, the knife handle uses the BT series knife handle of standard.
Preferably, the outermost end section semicircular in shape of the grinding part, grinding part use diadust grinding part, grinding
For the bonding agent used in portion for metallic bond, granularity is W3.5~W20.
Preferably, described matrix includes integrally formed end face side wall, conical surface side wall and cylinder side wall, matrix use etc.
Wall thickness structure.
Preferably, it is distributed on the conical surface side wall equipped with multiple conical surface ventholes, is distributed and opens up on the cylinder side wall
There are multiple cylinder ventholes.
Compared with prior art, the beneficial effects of the present invention are: the grinding wheel product design of the application is at knife handle, matrix and mill
Portion's three parts are cut, knife handle uses the BT series knife handle of standard, facilitates the grinding wheel product and be installed on numerically-controlled machine tool easily and fast
On main shaft；Knife handle and grinding part are connected by matrix, when being ground the sapphire dome inner surface of different dimensions, is only needed
Matrix is replaced, while filling upper grinding part, which can also improve the overall stiffness of grinding wheel, reduce each group of grinding part
The dosage divided, reduces costs；The outermost end semicircular in shape of last grinding part, can increase contact area when grinding, improve mill
Efficiency is cut, grinding part uses diadust grinding part, and hardness is high, grinding accuracy is good, and using metallic bond, self-sharpening is strong.
Detailed description of the invention
Fig. 1 is a kind of 1 structural schematic diagram of embodiment of sapphire Internal Spherical Surface grinding skive；
Fig. 2 is a kind of 2 structural schematic diagram of embodiment of sapphire Internal Spherical Surface grinding skive.
In figure: 1- knife handle, 11- taper cartridge part, 12- install rotary table, 13- withdrawing annular groove, 14- annular mounting groove, 15- peace
Dress keyway, 16- threaded hole, 17- center screw hole, 2- matrix, 21- conical surface side wall, 211- conical surface venthole, 22- cylinder side wall,
221- cylinder venthole, 23- ring-shaped step slot, the grinding part 3-, 4- screw.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, embodiment 1: a kind of sapphire Internal Spherical Surface grinding skive, including knife handle 1, matrix 2
With grinding part 3, the bottom end face of the knife handle 1 is provided with multiple threaded holes 16, and described matrix 2 is in the bowl shape of indent, matrix 2
End face side wall on through-hole corresponding with threaded hole 16 is distributed with, screw 4 is equipped in through-hole, the end of screw 4 passes through screw thread
Cooperation is inserted into corresponding threaded hole 16, and ring-shaped step slot 23 is offered in the opening outer circumferential walls of described matrix 2, annular
Filling forms the grinding part 3 of annular in step groove 23.
The knife handle 1 includes integrally formed taper cartridge part 11 and installation rotary table 12, the top end of taper cartridge part 11
Face center offers center screw hole 17, offers withdrawing annular groove on taper cartridge part 11 and the outer wall of installation 12 junction of rotary table
13, it installs and offers the trapezoidal annular mounting groove 14 in section in the outer circumferential walls of rotary table 12, the outer circumferential walls of rotary table 12 are installed
On be also provided with perforation annular mounting groove 14 installation keyway 15, threaded hole 16 be provided with installation rotary table 12 bottom end face on.
The knife handle 1 uses the BT series knife handle of standard.It can be specially BT30 series knife handle in this example.
The outermost end section semicircular in shape of the grinding part 3, grinding part 3 use diadust grinding part, mainly at
It is divided into diamond differential, hardness is high, grinding accuracy is good；The bonding agent used in grinding part 3 is metallic bond, granularity W3.5
~W20.Granularity can be specially W10 in this example.
Described matrix 2 includes integrally formed end face side wall, conical surface side wall 21 and cylinder side wall 22, the use of matrix 2 etc.
Wall thickness structure.
Referring to Fig. 2, embodiment 2: the difference from embodiment 1 is that, it is distributed on the conical surface side wall 21 equipped with multiple
Conical surface venthole 211 is distributed equipped with multiple cylinder ventholes 221 on the cylinder side wall 22.Conical surface venthole 211 and cylinder
The arrangement of venthole 221 alleviates the whole loading amount of matrix 2, also helps the quick discharge of clast in subsequent grinding process.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of sapphire Internal Spherical Surface grinding skive, it is characterised in that: including knife handle (1), matrix (2) and grinding
The bottom end face in portion (3), the knife handle (1) is provided with multiple threaded holes (16), and described matrix (2) is in the bowl shape of indent, base
Through-hole corresponding with threaded hole (16) is distributed on the end face side wall of body (2), is equipped in through-hole screw (4), the end of screw (4)
Portion is inserted into corresponding threaded hole (16) by being threadedly engaged, and offers ring in the opening outer circumferential walls of described matrix (2)
Shape step groove (23), the interior filling of ring-shaped step slot (23) form the grinding part (3) of annular.
2. a kind of sapphire Internal Spherical Surface grinding skive according to claim 1, it is characterised in that: the knife
Handle (1) includes integrally formed taper cartridge part (11) and installation rotary table (12), the top end surface center of taper cartridge part (11)
It offers center screw hole (17), offers withdrawing annular groove on the outer wall of taper cartridge part (11) and installation rotary table (12) junction
(13), it installs and offers the trapezoidal annular mounting groove in section (14) in the outer circumferential walls of rotary table (12), installation rotary table (12)
The installation keyway (15) of perforation annular mounting groove (14) is also provided in outer circumferential walls, threaded hole (16) is provided with installation rotary table
(12) on bottom end face.
3. a kind of sapphire Internal Spherical Surface grinding skive according to claim 2, it is characterised in that: the knife
Handle (1) uses the BT series knife handle of standard.
4. a kind of sapphire Internal Spherical Surface grinding skive according to claim 1, it is characterised in that: the mill
The outermost end section semicircular in shape in portion (3) is cut, grinding part (3) use diadust grinding part, the knot used in grinding part (3)
Mixture is metallic bond, and granularity is W3.5~W20.
5. a kind of sapphire Internal Spherical Surface grinding skive according to claim 1, it is characterised in that: the base
Body (2) includes integrally formed end face side wall, conical surface side wall (21) and cylinder side wall (22), the wall thickness knot such as matrix (2) use
Structure.
6. a kind of sapphire Internal Spherical Surface grinding skive according to claim 5, it is characterised in that: the cone
It is distributed on surface side wall (21) equipped with multiple conical surface ventholes (211), is distributed on the cylinder side wall (22) equipped with multiple columns
Face venthole (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910564942.5A CN110202473A (en) | 2019-06-27 | 2019-06-27 | A kind of sapphire Internal Spherical Surface grinding skive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910564942.5A CN110202473A (en) | 2019-06-27 | 2019-06-27 | A kind of sapphire Internal Spherical Surface grinding skive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110202473A true CN110202473A (en) | 2019-09-06 |
Family
ID=67794892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910564942.5A Pending CN110202473A (en) | 2019-06-27 | 2019-06-27 | A kind of sapphire Internal Spherical Surface grinding skive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110202473A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114147623A (en) * | 2021-11-11 | 2022-03-08 | 中国人民解放军国防科技大学 | Sapphire aspheric element shaping and combined polishing method based on temperature control magneto-rheological |
-
2019
- 2019-06-27 CN CN201910564942.5A patent/CN110202473A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114147623A (en) * | 2021-11-11 | 2022-03-08 | 中国人民解放军国防科技大学 | Sapphire aspheric element shaping and combined polishing method based on temperature control magneto-rheological |
| CN114147623B (en) * | 2021-11-11 | 2022-11-25 | 中国人民解放军国防科技大学 | Sapphire aspheric element shaping and combined polishing method based on temperature control magneto-rheological |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191217 Address after: No. 228, Xinzhou Road, Xinwu District, Wuxi City, Jiangsu Province Applicant after: Jiangsu yuruishi high end intelligent equipment Technology Co., Ltd Address before: High tech Zone Wangmi street in Suzhou City, Jiangsu province 215129 No. 66 Applicant before: Suzhou Yuruilong Intelligent Equipment Technology Co., Ltd. |
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| TA01 | Transfer of patent application right |