CN105364700A - Ceramic blind hole grinding mandrel for precisely grinding blind hole - Google Patents
Ceramic blind hole grinding mandrel for precisely grinding blind hole Download PDFInfo
- Publication number
- CN105364700A CN105364700A CN201510866172.1A CN201510866172A CN105364700A CN 105364700 A CN105364700 A CN 105364700A CN 201510866172 A CN201510866172 A CN 201510866172A CN 105364700 A CN105364700 A CN 105364700A
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- Prior art keywords
- grinding
- ceramic
- diameter
- hole
- installation shaft
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Classifications
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- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/11—Lapping tools
-
- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/02—Lapping machines or devices; Accessories designed for working surfaces of revolution
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a ceramic blind hole grinding mandrel for precisely grinding a blind hole. The ceramic blind hole grinding mandrel consists of a clamping mounting shaft, a flexible gasket, a ceramic grinding sleeve and a fluted nut, wherein a rubber gasket is arranged in a left inner step hole of the ceramic grinding sleeve; the fluted nut is arranged in a right inner step hole of the ceramic grinding sleeve; a locating section on the clamping mounting shaft is fit with the left inner step hole of the ceramic grinding sleeve; and threads in a connecting rod section are matched with internal threads 402 of the fluted nut, thereby forming the ceramic blind hole grinding mandrel. The ceramic blind hole grinding mandrel for precisely grinding the blind hole is made of ceramic, the high hardness and abrasion resistance of the ceramic are used, and the ceramic blind hole grinding mandrel is abraded very slightly in a grinding process, so that the blind hole of a part can have very high precision after being ground.
Description
Technical field
The present invention relates to a kind of milling tool in field of machining, particularly a kind of ceramic blind hole grinding plug for precise finiss blind hole.
Background technology
Machinery precision manufactureing field, often will grind the blind hole on some parts, the metal of traditional grinding plug material used normally ordinary hard such as the pig iron or copper alloy.And with the grinding plug that these materials are raw material, grinding be easy to wearing and tearing, this just increases grinding gap, especially tip portion is often because the time participating in grinding work is longer, and compare other parts and can produce larger wearing and tearing, this is also that the blind hole of part produces the comparatively large and main cause that hole underfill aperture is less in aperture, aperture after grinding.
Summary of the invention
The present invention proposes a kind of ceramic blind hole grinding plug of precise finiss blind hole, it is the material using pottery as grinding plug, utilize high rigidity and the high-wear resistance of ceramic material, make grinding plug can keep minimum grinding gap in process of lapping and between the endoporus processed, the blind hole that this guarantees part can have high precision after milling.
A kind of blind hole ceramic grinding plug, by clamping installation shaft 1; Flexible gaskets 2; Ceramic grinding sleeve pipe 3 formed with band grooved head nut 4.
Material using pottery as grinding plug, utilizes high rigidity and the high-wear resistance of ceramic material, makes grinding plug can keep minimum grinding gap in process of lapping and between the endoporus processed, thus improves grinding precision.
Described clamping installation shaft 1 is broad in the middle small in ends and with the multidiameter of through hole, it is by gripping section 101, changeover portion 102, positioning section 103, and connecting rod section 104 formed, and the end of connecting rod section 104 has external screw thread 105, and being positioned at axle center place has through hole 106.The outer surface of gripping section 101 is elongated cylinder structure, and its outside dimension is the 70%-80% of institute's inner bore grinding diameter, and length dimension is 1.2-1.5 times of its outside dimension.The outer surface of changeover portion 102 is also cylindrical structure, and its outside dimension is less than institute inner bore grinding diameter 0.2-0.4mm, and its length dimension is greater than 1/3 of institute's inner bore grinding depth dimensions and adds 5mm-8mm.The outer surface of positioning section 103 is short cylinder, and its outside dimension is also the 70%-80% of institute's inner bore grinding diameter, and length is 1/3 of outside dimension own also ± 0.5mm.Connecting rod section 104 has the round bar shape component of external screw thread 105 for optical axis end, shaft diameter size on it 1-2mm less of institute's inner bore grinding diameter dimension, the specification of external screw thread 105 is the specification of standard thread, major diameter of thread is same as or is slightly less than shaft diameter size, the length of external screw thread 105 be the 2-3 of positioning section 103 length doubly, the overall length that the total length of connecting rod 104 is wanted inner bore grinding 2/3 also ± 3mm; Clamping installation shaft 1 center also has consistent break-through pore 106.
Described flexible gaskets 2 is plain washer shape, the size of its external diameter 201 is more smaller than positioning section 103 excircle dimension in clamping installation shaft 1, internal diameter size 202 matches with the shaft diameter size through hole 302 of clamping installation shaft 1 upper connecting rod section 104, the thickness of flexible gaskets 2 is 1-1.5mm, and its material is engineering plastics or rubber, polyurethane.
Described ceramic grinding sleeve pipe 3 is the tubular structural member that respectively there is step at endoporus two ends.It comprises grinding cylinder 301, through hole 302 and right inside stepped hole 303 and left inside stepped hole 304, the outside dimension of grinding cylinder 301 is less than wanted inner bore grinding size 0.01-0.015mm, and its length dimension value is the length dimension sum of clamping installation shaft 1 upper connecting rod section 104 and positioning section 103.The aperture of through hole 302 is greater than the shaft diameter size 1-2mm of connecting rod section 104.The right side 0.5-1.0mm of end face lower than ceramic grinding sleeve pipe 3 of external screw thread 105 in installation shaft 1 is clamped after having assembled.The aperture 0.05-0.10mm less of the outside diameter of positioning section 103 in clamping installation shaft 1 of right inside stepped hole 303 and left inside stepped hole 304, its length dimension is identical with the length dimension of positioning section 103 in clamping installation shaft 1.
Described band grooved head nut 4 is similar to the nut of packing ring for profile, right inside stepped hole 303 diameter compatible on the diameter of its cylindrical 401 and ceramic grinding sleeve pipe 3, the screw thread specification of internal thread 402 is identical with the screw thread specification of external screw thread 105 in clamping installation shaft 1, have a groove 403 in an outside side end face, the thickness of band grooved head nut 4 is less than the depth dimensions 0.2-0.5mm of right inside stepped hole 303 on ceramic grinding sleeve pipe 3.
Rubber washer 2 is inserted in the left inside stepped hole 304 of ceramic grinding sleeve pipe 3; Band grooved head nut 4 is inserted in its right inside step 303; Positioning section 103 in clamping installation shaft 1 allocates the left inside stepped hole 304 of ceramic grinding sleeve pipe 3 into, and the screw thread 105 in connecting rod section 104 matches with the internal thread 403 of band grooved head nut 4, which forms a kind of blind hole ceramic grinding plug.
The ceramic blind hole grinding plug of this precise finiss blind hole, it is the material using pottery as grinding plug, utilize high rigidity and the high-wear resistance of ceramic material, make grinding plug only produce minimum wearing and tearing in process of lapping, the blind hole that this guarantees part can have high precision after milling.
Accompanying drawing explanation
Fig. 1 is blind hole ceramic grinding plug schematic diagram, and wherein 1 is clamping installation shaft, and 2 is rubber washer; 3 is ceramic grinding sleeve pipe; 4 is band grooved head nut.
Fig. 2 is clamping installation shaft 1 schematic diagram, and wherein 101 is gripping section, and 102 is changeover portion, and 103 is the positioning table stage, and 104 is connecting rod section, and 105 is the screw thread in extension bar section 104, and 106 is passage.
Fig. 3 is rubber washer 2 schematic diagram, and wherein 201 is external diameter, and 203 is internal diameter,
Fig. 4 is ceramic grinding sleeve pipe 3 schematic diagram, and wherein 301 is cylindrical, and 302 is passage, and 303 is left inside step, and 304 is right inside step.
Fig. 5 is the schematic diagram of band grooved head nut 4, and wherein 401 is cylindrical, and 402 is internal thread, and 403 is groove.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail:
A kind of blind hole ceramic grinding plug, by clamping installation shaft 1; Flexible gaskets 2; Ceramic grinding sleeve pipe 3 formed with band grooved head nut 4.
It is characterized in that the material using pottery as grinding plug, utilize high rigidity and the high-wear resistance of ceramic material, make grinding plug can keep minimum grinding gap in process of lapping and between the endoporus processed, thus improve grinding precision.
Described clamping installation shaft 1 is broad in the middle small in ends and with the multidiameter of through hole, it is by gripping section 101, changeover portion 102, positioning section 103, and connecting rod section 104 formed, and the end of connecting rod section 104 has external screw thread 105, and being positioned at axle center place has through hole 106.The outer surface of gripping section 101 is elongated cylinder structure, and its outside dimension is the 70%-80% of institute's inner bore grinding diameter, and length dimension is 1.2-1.5 times of its outside dimension.The outer surface of changeover portion 102 is also cylindrical structure, and its outside dimension is less than institute inner bore grinding diameter 0.2-0.4mm, and its length dimension is greater than 1/3 of institute's inner bore grinding depth dimensions and adds 5mm-8mm.The outer surface of positioning section 103 is short cylinder, and its outside dimension is also the 70%-80% of institute's inner bore grinding diameter, and length is 1/3 of outside dimension own also ± 0.5mm.Connecting rod section 104 has the round bar shape component of external screw thread 105 for optical axis end, shaft diameter size on it 1-2mm less of institute's inner bore grinding diameter dimension, the specification of external screw thread 105 is the specification of standard thread, major diameter of thread is same as or is slightly less than shaft diameter size, the length of external screw thread 105 be the 2-3 of positioning section 103 length doubly, the overall length that the total length of connecting rod 104 is wanted inner bore grinding 2/3 also ± 3mm; Clamping installation shaft 1 center also has consistent break-through pore 106.
Described flexible gaskets 2 is plain washer shape, the size of its external diameter 201 is more smaller than positioning section 103 excircle dimension in clamping installation shaft 1, internal diameter size 202 matches with the shaft diameter size through hole 302 of clamping installation shaft 1 upper connecting rod section 104, the thickness of flexible gaskets 2 is 1-1.5mm, and its material is engineering plastics or rubber, polyurethane.
Described ceramic grinding sleeve pipe 3 is the tubular structural member that respectively there is step at endoporus two ends.It comprises grinding cylinder 301, through hole 302 and right inside stepped hole 303 and left inside stepped hole 304, the outside dimension of grinding cylinder 301 is less than wanted inner bore grinding size 0.01-0.015mm, and its length dimension value is the length dimension sum of clamping installation shaft 1 upper connecting rod section 104 and positioning section 103.The aperture of through hole 302 is greater than the shaft diameter size 1-2mm of connecting rod section 104.The right side 0.5-1.0mm of end face lower than ceramic grinding sleeve pipe 3 of external screw thread 105 in installation shaft 1 is clamped after having assembled.The aperture 0.05-0.10mm less of the outside diameter of positioning section 103 in clamping installation shaft 1 of right inside stepped hole 303 and left inside stepped hole 304, its length dimension is identical with the length dimension of positioning section 103 in clamping installation shaft 1.
Described band grooved head nut 4 is similar to the nut of packing ring for profile, right inside stepped hole 303 diameter compatible on the diameter of its cylindrical 401 and ceramic grinding sleeve pipe 3, the screw thread specification of internal thread 402 is identical with the screw thread specification of external screw thread 105 in clamping installation shaft 1, have a groove 403 in an outside side end face, the thickness of band grooved head nut 4 is less than the depth dimensions 0.2-0.5mm of right inside stepped hole 303 on ceramic grinding sleeve pipe 3.
Band grooved head nut 4 is put into the right inside step 303 of ceramic grinding sleeve pipe 3, again rubber washer 2 is put into the root of the linkage section 104 connected on supporting rod 1, then the positioning section 103 in clamping installation shaft 1 is allocated into the left inside stepped hole 304 of ceramic grinding sleeve pipe 3, meanwhile extension bar section 104 is through the through hole 302 on ceramic grinding sleeve pipe 3, and make the screw thread 105 in extension bar section 104 match with the internal thread 402 of band grooved head nut 4 and tighten, material is thus formed a kind of blind hole ceramic grinding plug.
Claims (1)
1. for a ceramic blind hole grinding plug for precise finiss blind hole, by clamping installation shaft (1); Flexible gaskets (2); Ceramic grinding sleeve pipe (3) forms with band grooved head nut (4), it is characterized in that:
Described clamping installation shaft (1) is for broad in the middle small in ends and with the multidiameter of through hole, it is by gripping section (101), changeover portion (102), positioning section (103) and connecting rod section (104) formed, the end of connecting rod section (104) has external screw thread (105), and being positioned at axle center place has through hole (106); The outer surface of gripping section (101) is elongated cylinder structure, and its outside dimension is the 70%-80% of institute's inner bore grinding diameter, and length dimension is 1.2-1.5 times of its outside dimension; The outer surface of changeover portion (102) is also cylindrical structure, and its outside dimension is less than institute inner bore grinding diameter 0.2-0.4mm, and its length dimension is greater than 1/3 of institute's inner bore grinding depth dimensions and adds 5mm-8mm; The outer surface of positioning section (103) is short cylinder, and its outside dimension is also the 70%-80% of institute's inner bore grinding diameter, and length is 1/3 of outside dimension own also ± 0.5mm; Connecting rod section (104) has the round bar shape component of external screw thread (105) for optical axis end, shaft diameter size on it 1-2mm less of institute's inner bore grinding diameter dimension, the specification of external screw thread (105) is the specification of standard thread, major diameter of thread is same as or is slightly less than shaft diameter size, the length of external screw thread (105) be the 2-3 of positioning section (103) length doubly, the overall length that the total length of connecting rod (104) is wanted inner bore grinding 2/3 also ± 3mm; Clamping installation shaft (1) center also has consistent break-through pore (106);
Described flexible gaskets (2) is plain washer shape, the size of its external diameter (201) is more smaller than positioning section (103) excircle dimension in clamping installation shaft (1), internal diameter size (202) matches with the shaft diameter size through hole (302) of clamping installation shaft (1) upper connecting rod section (104), the thickness of flexible gaskets (2) is 1-1.5mm, and its material is engineering plastics or rubber or polyurethane;
Described ceramic grinding sleeve pipe (3) respectively has the tubular structural member of step in for endoporus two ends, it comprises grinding cylinder (301), through hole (302) and right inside stepped hole (303) and left inside stepped hole (304), the outside dimension of grinding cylinder (301) is less than wanted inner bore grinding size 0.01-0.015mm, and its length dimension value is the length dimension sum of clamping installation shaft (1) upper connecting rod section (104) and positioning section (103); The aperture of through hole (302) is greater than the shaft diameter size 1-2mm of connecting rod section (104); The right side 0.5-1.0mm of end face lower than ceramic grinding sleeve pipe (3) of the upper external screw thread (105) of installation shaft (1) is clamped after assembling completes; The little 0.05-0.10mm of outside diameter of the aperture positioning section (103) upper than clamping installation shaft (1) of right inside stepped hole (303) and left inside stepped hole (304), its length dimension is identical with the length dimension of the upper positioning section (103) of clamping installation shaft (1);
Described band grooved head nut (4) is similar to the nut of packing ring for profile, the diameter of its cylindrical (401) and upper right inside stepped hole (303) diameter compatible of ceramic grinding sleeve pipe (3), the screw thread specification of internal thread (402) is identical with the screw thread specification of the upper external screw thread (105) of clamping installation shaft (1), have a groove (403) in an outside side end face, the thickness of band grooved head nut (4) is less than the depth dimensions 0.2-0.5mm of the upper right inside stepped hole (303) of ceramic grinding sleeve pipe (3);
Rubber washer (2) is inserted in ceramic grinding sleeve pipe (3) left inside stepped hole (304); Band grooved head nut (4) is inserted in its right inside step (303); Positioning section (103) in clamping installation shaft (1) allocates ceramic grinding sleeve pipe (3) left inside stepped hole (304) into, screw thread (105) in connecting rod section (104) matches with the internal thread (403) of band grooved head nut (4), which forms a kind of blind hole ceramic grinding plug inner bore grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510866172.1A CN105364700B (en) | 2015-12-01 | 2015-12-01 | A kind of ceramic blind hole for precise finiss blind hole grinds plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510866172.1A CN105364700B (en) | 2015-12-01 | 2015-12-01 | A kind of ceramic blind hole for precise finiss blind hole grinds plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105364700A true CN105364700A (en) | 2016-03-02 |
| CN105364700B CN105364700B (en) | 2017-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510866172.1A Expired - Fee Related CN105364700B (en) | 2015-12-01 | 2015-12-01 | A kind of ceramic blind hole for precise finiss blind hole grinds plug |
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| Country | Link |
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| CN (1) | CN105364700B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2748221Y (en) * | 2004-10-22 | 2005-12-28 | 吴国生 | Honing knife bar with replaceable honing sleeve |
| CN202763600U (en) * | 2012-08-06 | 2013-03-06 | 南通市电站阀门有限公司 | Deep hole internal grinding device |
| CN202985325U (en) * | 2012-09-26 | 2013-06-12 | 中国电子科技集团公司第四十八研究所 | Grinding tool for improving processing precision of deep long through hole |
| JP5341447B2 (en) * | 2008-09-19 | 2013-11-13 | 旭化成せんい株式会社 | Textured polishing cloth |
| CN103506933A (en) * | 2012-06-25 | 2014-01-15 | 姜堰市恒久转向器厂 | Adjustable grinding device |
| CN203401389U (en) * | 2013-06-14 | 2014-01-22 | 沈阳飞机工业（集团）有限公司 | Grinding rods for stepped holes |
| US20140051336A1 (en) * | 2012-08-16 | 2014-02-20 | Taiwan Semiconductor Manufacturing Company, Ltd. | Grinding wheel for wafer edge trimming |
| CN203566475U (en) * | 2013-09-29 | 2014-04-30 | 常州南车汽车零部件有限公司 | Fixed and combined honing rod |
| CN205363531U (en) * | 2015-12-01 | 2016-07-06 | 中国科学院上海技术物理研究所 | A ceramic blind hole grinding plug for precision grinding blind hole |
-
2015
- 2015-12-01 CN CN201510866172.1A patent/CN105364700B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2748221Y (en) * | 2004-10-22 | 2005-12-28 | 吴国生 | Honing knife bar with replaceable honing sleeve |
| JP5341447B2 (en) * | 2008-09-19 | 2013-11-13 | 旭化成せんい株式会社 | Textured polishing cloth |
| CN103506933A (en) * | 2012-06-25 | 2014-01-15 | 姜堰市恒久转向器厂 | Adjustable grinding device |
| CN202763600U (en) * | 2012-08-06 | 2013-03-06 | 南通市电站阀门有限公司 | Deep hole internal grinding device |
| US20140051336A1 (en) * | 2012-08-16 | 2014-02-20 | Taiwan Semiconductor Manufacturing Company, Ltd. | Grinding wheel for wafer edge trimming |
| CN202985325U (en) * | 2012-09-26 | 2013-06-12 | 中国电子科技集团公司第四十八研究所 | Grinding tool for improving processing precision of deep long through hole |
| CN203401389U (en) * | 2013-06-14 | 2014-01-22 | 沈阳飞机工业（集团）有限公司 | Grinding rods for stepped holes |
| CN203566475U (en) * | 2013-09-29 | 2014-04-30 | 常州南车汽车零部件有限公司 | Fixed and combined honing rod |
| CN205363531U (en) * | 2015-12-01 | 2016-07-06 | 中国科学院上海技术物理研究所 | A ceramic blind hole grinding plug for precision grinding blind hole |
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| CN105364700B (en) | 2017-10-13 |
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