CN110561266A - Valve element lapping clamp - Google Patents
Valve element lapping clamp Download PDFInfo
- Publication number
- CN110561266A CN110561266A CN201910954751.XA CN201910954751A CN110561266A CN 110561266 A CN110561266 A CN 110561266A CN 201910954751 A CN201910954751 A CN 201910954751A CN 110561266 A CN110561266 A CN 110561266A
- Authority
- CN
- China
- Prior art keywords
- central
- positioning
- valve core
- hole
- fixed plate
- 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.)
- Granted
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 238000001179 sorption measurement Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000000696 magnetic material Substances 0.000 claims description 4
- 238000011009 performance qualification Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/27—Work carriers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention relates to a valve core lapping fixture, which comprises a connecting body, a fixed plate and a positioning sleeve, wherein a connecting table for connecting the fixed plate is arranged on the outer side of the connecting body, a through central through hole is formed in the connecting body, one end of the central through hole is connected with a positioning pin of a positioning valve core, a central magnetic block for adsorbing the valve core is connected in the central through hole, a plurality of side magnetic blocks are arranged on one side of the fixed plate, one side of the side magnetic block arranged on the fixed plate is clung to one side, close to the positioning pin, of the connecting table and is fixedly connected with the connecting table, the positioning sleeve is sleeved on the outer side of the end part of the connecting body at one end of the positioning pin, the positioning sleeve is connected to one side of the fixed plate through the side magnetic block in an adsorbing manner and presses the valve core onto the end part, thereby ensuring the grinding precision of the valve core and improving the matching and performance qualification rate of the valve component matching parts.
Description
Technical Field
The invention relates to a grinding clamp, in particular to a valve core lapping clamp.
Background
The common rail injector is a key component of a diesel engine, the highest working pressure reaches 160MPa, and the common rail injector is one of main execution components for ensuring national IV and above emission standards, wherein a valve component is a core matching part for realizing electric control oil injection, and the valve component mainly comprises a valve core and a valve seat. The diameter of the hole diameter of the valve core and the valve seat matched guide excircle is only phi 2, and the roundness of the valve core guide excircle requires 1 mu m and the roughness Rz 1; because the machining process is that the valve core and the like are subjected to precision grinding, and then the procedures of cutting, coating, end surface grinding and the like are required, the roundness and the roughness of the outer circle of the valve core guide phi 2 are damaged in different degrees; the problems of the valve core and valve seat guide surface fit clearance control and sliding property guarantee are influenced, the matching of matching parts of a valve component, the performance qualified rate and the like are seriously influenced, and when the traditional valve core is ground, because the valve core parts are extremely small, the armature sheet is a soft material and cannot be clamped by a common method, the grinding machining precision of the valve core is low, and the product qualified rate is low.
Disclosure of Invention
The applicant aims at the defects and carries out research and improvement to provide a valve core lapping clamp.
The technical scheme adopted by the invention is as follows:
the utility model provides a case lapping anchor clamps, includes connector, fixed plate and position sleeve, the connector outside sets up the connection platform that is used for connecting the fixed plate, sets up the central through-hole that runs through in the connector, the locating pin of location case is connected to central through-hole one end, and the central magnetic path of adsorbing the case is connected in the central through-hole, a plurality of side magnetic paths of fixed plate one side installation, fixed plate installation side magnetic path one side with connect the platform and be close to locating pin one side and hug closely to with connecting platform fixed connection, the position sleeve cover is established and is located the locating pin one end tip outside at the connector, the position sleeve adsorbs through the side magnetic path and connects on one side of the fixed plate to compress tightly the case on the tip that the connector is located locating pin one end, still set up the.
As a further improvement of the above technical solution:
The central magnetic block is arranged in the central through hole, and the matched central through hole is in threaded connection with a set screw for adjusting and positioning the position of the central magnetic block.
The fixed plate is fixed on the connecting table through fixing screws, and three side magnetic blocks are uniformly arranged on the fixed plate.
The fixing plate is made of copper.
The locating sleeve is made of non-magnetic materials, and the locating sleeve is matched with the side magnetic blocks to be connected with a plurality of adsorption parts made of magnetic materials.
The locating sleeve is made of copper, and the adsorption part is an iron countersunk head screw.
The invention has the following beneficial effects: the valve core fine grinding clamp is characterized in that a valve core armature sheet is positioned through a positioning pin, the valve core is sucked through a central magnetic block, a fixed plate is fixedly attached to a positioning sleeve through a side magnetic block, the armature sheet is tightly pressed and fixed on the end part of a connecting piece through the positioning sleeve, the outer circle of the valve core is positioned through a positioning hole, the valve core is accurately positioned, and therefore the grinding precision of the valve core is guaranteed.
Drawings
Fig. 1 is a sectional view of a valve core lapping jig provided by the present invention.
In the figure: 1. a linker; 11. a connecting table; 12. a central through hole; 13. positioning pins; 2. a fixing plate; 3. a positioning sleeve; 31. positioning holes; 4. a central magnetic block; 41. tightening the screw; 5. a side magnetic block; 6. iron countersunk head screws; 7. a valve core.
Detailed Description
The following describes a specific embodiment of the present embodiment with reference to the drawings.
As shown in fig. 1, the valve element lapping fixture of the present embodiment includes a connecting body 1, a fixing plate 2 and a positioning sleeve 3, a connecting platform 11 for connecting the fixing plate 2 is disposed outside the connecting body 1, a through central through hole 12 is disposed in the connecting body 1, one end of the central through hole 12 is connected to a positioning pin 13 of the positioning valve element 7, a central magnetic block 4 of the adsorption valve element 7 is disposed in the central through hole 12, and a set screw 41 for adjusting and positioning the position of the central magnetic block 4 is connected to the central through hole 12 through a female screw, the fixing plate 2 is made of copper, mounting grooves are uniformly formed on one side of the fixing plate 2, side magnetic blocks 5 are mounted in the mounting grooves, one side of the mounting side magnetic block 5 of the fixing plate 2 is closely attached to one side of the connecting platform 11 close to the positioning pin 13 and is fixedly connected to the connecting platform 11 through, and three side magnetic path 5 on the position sleeve 3 cooperation fixed plate 2 corresponds and connects three iron countersunk screw 6, can adsorb iron countersunk screw 6 through side magnetic path 5 to can adsorb fixed plate 2 one side with position sleeve 3 on, and compress tightly case 7 on the tip that connector 1 is located locating pin 13 one end through position sleeve 3, still set up the locating hole 31 that is used for fixing a position case 7 excircle and allows case 7 to pass on the position sleeve 3.
When the valve core lapping fixture is used, the central magnetic block 4 is firstly placed in the central through hole 12, then the position of the central magnetic block 4 is adjusted through the set screw 41, the central magnetic block 4 is pushed to the end part of the positioning pin 13 close to the inner end of the central through hole 12, then the side magnetic block 5 is placed in the mounting groove of the fixing plate 2, the fixing plate 2 is connected to the connecting table 11 through the fixing screw, the side magnetic block 5 can be fixed on the connecting table 11 through the fixing plate 2, then one end of the valve core 7 is connected with one end of the positioning pin 13 through the central through hole 12 and penetrates into the central through hole 12, the valve core 7 is sucked through the central magnetic block 4, meanwhile, the positioning pin 13 penetrates into the through hole on the armature sheet of the valve core 7, the valve core 7 is preliminarily positioned and connected, then the positioning sleeve 3 is sleeved on the connecting body 1 outside the end part of the positioning pin 13, the positioning sleeve 3 can be sucked through the fixing plate 2 by, can compress tightly case 7 on the tip that connector 1 is located locating pin 13 one end through position sleeve 3, and the case 7 other end passes locating hole 31 and extends to the 3 outsides of position sleeve simultaneously, fixes a position 7 excircle through locating hole 31, accomplishes case 7 location promptly and presss from both sides tightly, can carry out the lapping operation, after the grinding, only need rotate certain angle with the position sleeve, make iron countersunk screw 6 and the separation of side magnetic path 5 can lift off position sleeve 3 and take out the case, position sleeve 3 dismantles simple to operate.
The foregoing description is illustrative of the present invention and is not to be construed as limiting thereof, the scope of the invention being defined by the appended claims, which may be modified in any manner without departing from the basic structure thereof.
Claims (6)
1. the utility model provides a case lapping anchor clamps which characterized in that: the magnetic positioning device comprises a connector (1), a fixing plate (2) and a positioning sleeve (3), wherein a connecting table (11) used for connecting the fixing plate (2) is arranged on the outer side of the connector (1), a through central through hole (12) is formed in the connector (1), one end of the central through hole (12) is connected with a positioning pin (13) of a positioning valve core (7), a central magnetic block (4) of the adsorption valve core (7) is connected in the central through hole (12), a plurality of side magnetic blocks (5) are installed on one side of the fixing plate (2), one side of the fixing plate (2) where the side magnetic blocks (5) are installed is tightly attached to one side, close to the positioning pin (13), of the connecting table (11) and fixedly connected with the connecting table (11), the positioning sleeve (3) is sleeved on the outer side of the end part of the connector (1), the positioning sleeve (3) is connected to one side, and the valve core (7) is pressed on the end part of the connecting body (1) positioned at one end of the positioning pin (13), and the positioning sleeve (3) is also provided with a positioning hole (31) for positioning the excircle of the valve core (7) and allowing the valve core (7) to pass through.
2. The valve cartridge lapping fixture of claim 1, wherein: the central magnetic block (4) is arranged in the central through hole (12), and the matched central through hole (12) is in threaded connection with a set screw (41) for adjusting and positioning the position of the central magnetic block (4).
3. The valve cartridge lapping fixture of claim 1, wherein: the fixed plate (2) is fixed on the connecting table (11) through fixing screws, and three side magnetic blocks (5) are uniformly arranged on the fixed plate (2).
4. The valve cartridge lapping fixture of claim 1 or 3, wherein: the fixing plate (2) is made of copper.
5. The valve cartridge lapping fixture of claim 1, wherein: the positioning sleeve (3) is made of non-magnetic materials, and the positioning sleeve (3) is matched with the side magnetic blocks (5) to be connected with a plurality of adsorption parts made of magnetic materials.
6. The valve cartridge lapping fixture of claim 4, wherein: the locating sleeve (3) is made of copper, and the adsorption part is an iron countersunk head screw (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910954751.XA CN110561266B (en) | 2019-10-09 | 2019-10-09 | Valve core lapping fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910954751.XA CN110561266B (en) | 2019-10-09 | 2019-10-09 | Valve core lapping fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110561266A true CN110561266A (en) | 2019-12-13 |
| CN110561266B CN110561266B (en) | 2024-07-23 |
Family
ID=68784126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910954751.XA Active CN110561266B (en) | 2019-10-09 | 2019-10-09 | Valve core lapping fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110561266B (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB192273A (en) * | 1922-01-23 | 1923-02-01 | Edward Ramsay Green | Improvements in or relating to devices for centering and setting up work in machine tools |
| CN101310932A (en) * | 2007-05-22 | 2008-11-26 | 上海诺玛液压***有限公司 | Assembly fixture of armature assembly for electrohydraulic servo valve |
| JP3166542U (en) * | 2010-12-24 | 2011-03-10 | 株式会社ミスミ | Adsorption holding member |
| CN102794653A (en) * | 2012-08-22 | 2012-11-28 | 无锡鹰贝精密轴承有限公司 | Valve core multi-station processing tool equipment |
| CN203293004U (en) * | 2013-06-14 | 2013-11-20 | 武汉钢铁(集团)公司 | Clamp for grinding electrochemistry sample |
| CN203779162U (en) * | 2014-04-03 | 2014-08-20 | 大连职业技术学院 | Positioning-accurate pump cover clamp |
| CN104308587A (en) * | 2014-11-07 | 2015-01-28 | 重庆亿铸机械制造有限公司 | Power steering device valve element grinding end surface excircle clamp |
| CN204202991U (en) * | 2014-11-06 | 2015-03-11 | 河北省电力建设调整试验所 | A kind of small punch test magnetic holding device |
| CN105150095A (en) * | 2015-06-19 | 2015-12-16 | 山东常林机械集团股份有限公司 | Honing and clamping structure for cylinder body of hydraulic plunger pump and clamping technology |
| CN205765390U (en) * | 2016-06-12 | 2016-12-07 | 龙工（上海）精工液压有限公司 | A kind of fixture of the plunger contouring for hydraulic inclined-axis motors |
| CN205817152U (en) * | 2016-06-24 | 2016-12-21 | 天津智源工贸有限公司 | A kind of manual spool welding jigs and fixtures |
| KR20170007917A (en) * | 2015-07-13 | 2017-01-23 | 김병국 | Valve spindle fixing chuck for valve spindle grinding apparatus |
| CN206732585U (en) * | 2017-04-27 | 2017-12-12 | 重庆市驰正机械有限公司 | A kind of novel lathe fixture for being used to process the pump housing |
| CN206839861U (en) * | 2017-06-20 | 2018-01-05 | 中国西电电气股份有限公司 | A kind of clamp structure of valve element valve pocket lapping device |
| CN207577925U (en) * | 2017-11-13 | 2018-07-06 | 吉林鸿刚汽车零部件有限公司 | A kind of auto parts machinery processing unit (plant) with workpiece fixed structure |
| CN208409295U (en) * | 2018-04-25 | 2019-01-22 | 扬州力创机床有限公司 | A kind of workpiece clamping mechanism |
| CN109623582A (en) * | 2019-01-15 | 2019-04-16 | 常德市中天精密工具有限公司 | A kind of polishing clamping device of arc block |
| CN109719589A (en) * | 2018-12-20 | 2019-05-07 | 中国海洋石油集团有限公司 | A kind of grinding prosthetic device of sealing surface of safety valve |
| CN210650149U (en) * | 2019-10-09 | 2020-06-02 | 无锡威孚马山油泵油嘴有限公司 | Valve element lapping clamp |
-
2019
- 2019-10-09 CN CN201910954751.XA patent/CN110561266B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB192273A (en) * | 1922-01-23 | 1923-02-01 | Edward Ramsay Green | Improvements in or relating to devices for centering and setting up work in machine tools |
| CN101310932A (en) * | 2007-05-22 | 2008-11-26 | 上海诺玛液压***有限公司 | Assembly fixture of armature assembly for electrohydraulic servo valve |
| JP3166542U (en) * | 2010-12-24 | 2011-03-10 | 株式会社ミスミ | Adsorption holding member |
| CN102794653A (en) * | 2012-08-22 | 2012-11-28 | 无锡鹰贝精密轴承有限公司 | Valve core multi-station processing tool equipment |
| CN203293004U (en) * | 2013-06-14 | 2013-11-20 | 武汉钢铁(集团)公司 | Clamp for grinding electrochemistry sample |
| CN203779162U (en) * | 2014-04-03 | 2014-08-20 | 大连职业技术学院 | Positioning-accurate pump cover clamp |
| CN204202991U (en) * | 2014-11-06 | 2015-03-11 | 河北省电力建设调整试验所 | A kind of small punch test magnetic holding device |
| CN104308587A (en) * | 2014-11-07 | 2015-01-28 | 重庆亿铸机械制造有限公司 | Power steering device valve element grinding end surface excircle clamp |
| CN105150095A (en) * | 2015-06-19 | 2015-12-16 | 山东常林机械集团股份有限公司 | Honing and clamping structure for cylinder body of hydraulic plunger pump and clamping technology |
| KR20170007917A (en) * | 2015-07-13 | 2017-01-23 | 김병국 | Valve spindle fixing chuck for valve spindle grinding apparatus |
| CN205765390U (en) * | 2016-06-12 | 2016-12-07 | 龙工（上海）精工液压有限公司 | A kind of fixture of the plunger contouring for hydraulic inclined-axis motors |
| CN205817152U (en) * | 2016-06-24 | 2016-12-21 | 天津智源工贸有限公司 | A kind of manual spool welding jigs and fixtures |
| CN206732585U (en) * | 2017-04-27 | 2017-12-12 | 重庆市驰正机械有限公司 | A kind of novel lathe fixture for being used to process the pump housing |
| CN206839861U (en) * | 2017-06-20 | 2018-01-05 | 中国西电电气股份有限公司 | A kind of clamp structure of valve element valve pocket lapping device |
| CN207577925U (en) * | 2017-11-13 | 2018-07-06 | 吉林鸿刚汽车零部件有限公司 | A kind of auto parts machinery processing unit (plant) with workpiece fixed structure |
| CN208409295U (en) * | 2018-04-25 | 2019-01-22 | 扬州力创机床有限公司 | A kind of workpiece clamping mechanism |
| CN109719589A (en) * | 2018-12-20 | 2019-05-07 | 中国海洋石油集团有限公司 | A kind of grinding prosthetic device of sealing surface of safety valve |
| CN109623582A (en) * | 2019-01-15 | 2019-04-16 | 常德市中天精密工具有限公司 | A kind of polishing clamping device of arc block |
| CN210650149U (en) * | 2019-10-09 | 2020-06-02 | 无锡威孚马山油泵油嘴有限公司 | Valve element lapping clamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110561266B (en) | 2024-07-23 |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |