CN105666270A - Efficient valve rod end grinding device - Google Patents
Efficient valve rod end grinding device Download PDFInfo
- Publication number
- CN105666270A CN105666270A CN201610121219.6A CN201610121219A CN105666270A CN 105666270 A CN105666270 A CN 105666270A CN 201610121219 A CN201610121219 A CN 201610121219A CN 105666270 A CN105666270 A CN 105666270A
- Authority
- CN
- China
- Prior art keywords
- chute
- button
- grinding wheel
- valve
- semicircular rings
- 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
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
- B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
-
- 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
-
- 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
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention provides an efficient valve rod end grinding device. The efficient valve rod end grinding device comprises a workbench and a grinding wheel located above the workbench. The workbench is provided with a first clamping device and a second clamping device which are used for clamping valves. A first pushing and pressing device is arranged on one side, far away from the grinding wheel, of the first clamping device, and a second pushing and pressing device is arranged on one side, far away from the grinding wheel, of the second clamping device. The first clamping device comprises a plurality of parallel first sliding grooves, first sliding blocks are clamped in the first sliding grooves, first limiting blocks are arranged in the first sliding grooves, and a first fixing buckle is arranged on one side, far away from the corresponding first sliding groove, of each first sliding block. The second clamping device comprises a plurality of parallel second sliding grooves, second sliding blocks are clamped in the second sliding grooves, second limiting blocks are arranged in the second sliding grooves, and a second fixing buckle is arranged on one side, far away from the corresponding second sliding groove, of each second sliding block. The efficient valve rod end grinding device is good in grinding effect, the surfaces of the ends of valve rods are smooth and free of marks, the work efficiency is high, the product quality is stable, and the operation safety is high.
Description
Technical field
The present invention relates to valve technical field of processing equipment, particularly relate to a kind of high-level efficiency valve boom end milling apparatus.
Background technology
Engine inlet and exhaust valve is one of crucial part, and engine is automobile " heart ", and valve is then engine " valve ". Valve is high-speed motion under the environment of high temperature, burn into impact. And, Working environment changes along with the change of outside operating mode, and such environment is high especially to the dimensional requirement precision of valve. For meeting the demand that timing is opened, avoiding valve and piston interference problem, the length of valve must strict control.
The control of valve length direction is extremely important. It was manual manual operation in the past, it was placed on V-groove with hand-held valve, and pinned valve with hand and be pushed into forward on the emery wheel of high speed rotation to refine. Although this working method can reach the object of fine grinding end face, but the size processed is unstable, and quality product is low, dangerous high.
Summary of the invention
The technical problem existed to solve in background technology, the present invention proposes a kind of high-level efficiency valve boom end milling apparatus, working efficiency height, constant product quality, processing safety height.
A kind of high-level efficiency valve boom end milling apparatus that the present invention proposes, comprises the driving mechanism that worktable, grinding wheel and driving grinding wheel rotate, wherein,
Grinding wheel is positioned at above worktable; Worktable is provided with the first clamping device for clamping air valve and the 2nd clamping device, and the first clamping device, the 2nd clamping device are symmetricly set on the both sides of grinding wheel; First clamping device is provided with the first pressing device for being promoted by the valve on the first clamping device to grinding wheel away from grinding wheel side, and the 2nd clamping device is provided with the 2nd pressing device for being promoted by the valve on the 2nd clamping device to grinding wheel away from grinding wheel side;
First clamping device comprises the first chute of multiple parallel setting, the slip direction of multiple first chute is vertical with the disc of grinding wheel, the first slide block all it is connected with in first chute, being provided with the first limited block for stoping the first slide block to slide in first chute between the first slide block, grinding wheel, the first slide block is provided with first set collar suitable with valve bar away from the first chute side and buckles;
2nd clamping device comprises the 2nd chute of multiple parallel setting, the slip direction of multiple 2nd chute is vertical with the disc of grinding wheel, the 2nd slide block all it is connected with in 2nd chute, being provided with the 2nd limited block for stoping the 2nd slide block to slide in 2nd chute between the 2nd slide block, grinding wheel, the 2nd slide block is provided with two set collar suitable with valve bar away from the 2nd chute side and buckles.
Preferably, first pressing device comprises the first drive unit, the first expansion link and the first pressing plate, the distance value that the length of the first pressing plate is greater than between two the first chutes of furthest apart, width and the valve chassis of the first pressing plate are suitable, and the first pressing plate is connected with the first drive unit by the first expansion link.
Preferably, 2nd pressing device comprises the 2nd drive unit, the 2nd expansion link and the 2nd pressing plate, the distance value that the length of the 2nd pressing plate is greater than between two the 2nd chutes of furthest apart, width and the valve chassis of the 2nd pressing plate are suitable, and the 2nd pressing plate is connected with the 2nd drive unit by the 2nd expansion link.
Preferably, first set collar button comprises the first semicircular rings button, the 2nd semicircular rings button, first semicircular rings button one end is connected with the 2nd semicircular rings button one end by the first rotating shaft, the first semicircular rings button the other end is provided with the first card and buckles, the 2nd semicircular rings button the other end is provided with the 2nd card button, is equipped with multiple first elastic bumps inside the first semicircular rings button, the 2nd semicircular rings button.
Preferably, 2nd set collar button comprises the 3rd semicircular rings button, the 4th semicircular rings button, 3rd semicircular rings button one end is connected with the 4th semicircular rings button one end by the 2nd rotating shaft, the 3rd semicircular rings button the other end is provided with the 3rd card button, four or the two semicircular rings button the other end is provided with the 4th card button, is equipped with multiple 2nd elastic bumps inside the 3rd semicircular rings button, the 4th semicircular rings button.
Preferably, the first limited block and the first chute are slidably connected, be provided with in the first chute the first limited block first from locking mechanism.
Preferably, the 2nd limited block and the 2nd chute are slidably connected, be provided with in the 2nd chute the 2nd limited block the 2nd from locking mechanism.
In the present invention, grinding wheel is positioned at above worktable, worktable is provided with the first clamping device for clamping air valve and the 2nd clamping device, and the first clamping device is provided with the first pressing device away from grinding wheel side, and the 2nd clamping device is provided with the 2nd pressing device away from grinding wheel side, first clamping device comprises the first chute of multiple parallel setting, is all connected with the first slide block, is provided with the first limited block in the first chute in the first chute, and the first slide block is provided with the first set collar away from the first chute side and buckles, 2nd clamping device comprises the 2nd chute of multiple parallel setting, is all connected with the 2nd slide block in the 2nd chute, is provided with the 2nd limited block in the 2nd chute, and the 2nd slide block is provided with the 2nd set collar away from the 2nd chute side and buckles. during work, first the first slide block is all moved to the first chute away from grinding wheel one end, 2nd slide block is all moved to the 2nd chute away from grinding wheel one end, it is achieved determine position that valve to be clamped and the first limited block in position in the 2nd chute of the first chute, the 2nd limited block according to the size of the valve to be ground, then by the first set collar button, valve is fixed on the first slide block, by the 2nd set collar button, valve is fixed on the 2nd slide block, first set collar button, 2nd set collar button all overlaps with specifying retaining part on valve, valve bar is placed towards grinding wheel, then grinding wheel is driven to rotate, first drive unit drives the first expansion link to extend, 2nd drive unit drives the 2nd expansion link to extend, first pressing plate, 2nd pressing plate compresses with valve base plate respectively and promotes valve, thus drive the first slide block, 2nd slide block is respectively at the first chute, move in 2nd chute, namely stop sliding when the first slide block moves to the first limited block place, 2nd slide block moves to the 2nd limited block place and namely stops sliding, valve boom end is ground by grinding wheel, valve is taken off after having ground. the present invention uses the emery wheel of at a high speed running, and grinding effect is good, valve boom end smooth surface without vestige, working efficiency height, constant product quality, processing safety height.
Accompanying drawing explanation
Fig. 1 is a kind of high-level efficiency valve boom end milling apparatus structural representation that the present invention proposes;
Fig. 2 is the vertical view of a kind of high-level efficiency valve boom end milling apparatus that the present invention proposes;
Fig. 3 is the first set collar buckle structure schematic diagram of a kind of high-level efficiency valve boom end milling apparatus that the present invention proposes;
Fig. 4 is the 2nd set collar buckle structure schematic diagram of a kind of high-level efficiency valve boom end milling apparatus that the present invention proposes.
Embodiment
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, the present invention proposes a kind of high-level efficiency valve boom end milling apparatus, the driving mechanism comprising worktable 1, grinding wheel 2 and driving grinding wheel 2 to rotate, and grinding wheel 2 is positioned at above worktable 1; Worktable 1 is provided with the both sides being symmetricly set on grinding wheel 2 for the first clamping device 3 of clamping air valve 7 and the 2nd clamping device 4, first clamping device 3, the 2nd clamping device 4; First clamping device 3 is provided with for the first pressing device the 5, two clamping device 4 that the valve 7 on the first clamping device 3 promotes to grinding wheel 2 is provided with the 2nd pressing device 6 for being promoted to grinding wheel 2 by the valve 7 on the 2nd clamping device 4 away from grinding wheel 2 side away from grinding wheel 2 side.
Such as Fig. 1, Fig. 2, shown in Fig. 3, in the present embodiment, the first clamping device 3 comprises the first chute 31 of multiple parallel setting, the slip direction of multiple first chute 31 is vertical with the disc of grinding wheel 2, the first slide block 32 all it is connected with in first chute 31, the first slide block 32 it is positioned in first chute 31, the first limited block 33 for stoping the first slide block 32 to slide it is provided with between grinding wheel 2, first limited block 33 and the first chute 31 are slidably connected, be provided with in first chute 31 first limited block 33 first from locking mechanism, can according to the position of valve adjustments first limited block 33 of different size in the first chute 31, applied widely, first slide block 32 is provided with first set collar suitable with valve bar away from the first chute 31 side and buckles 34. first set collar button 34 comprises the first semicircular rings button 341, the 2nd semicircular rings button 342, first semicircular rings button 341 one end is connected with the 2nd semicircular rings button 342 one end by the first rotating shaft 343, first semicircular rings button 341 the other end is provided with the first card and buckles, 2nd semicircular rings button 342 the other end is provided with the 2nd card button, it is equipped with multiple first elastic bumps 344 inside first semicircular rings button 341, the 2nd semicircular rings button 342, ensures that valve can be clamped by the first set collar button 34.
Such as Fig. 1, Fig. 2, shown in Fig. 4, in the present embodiment, the 2nd clamping device 4 comprises the 2nd chute 41 of multiple parallel setting, the slip direction of multiple 2nd chute 41 is vertical with the disc of grinding wheel 2, the 2nd slide block 42 all it is connected with in 2nd chute 41, the 2nd slide block 42 it is positioned in 2nd chute 41, the 2nd limited block 43 for stoping the 2nd slide block 42 to slide it is provided with between grinding wheel 2, 2nd limited block 43 and the 2nd chute 41 are slidably connected, be provided with in 2nd chute 41 the 2nd limited block 43 the 2nd from locking mechanism, can according to the position of valve adjustments first limited block 43 of different size size in the 2nd chute 41, applied widely, 2nd slide block 42 is provided with two set collar suitable with valve bar away from the 2nd chute 41 side and buckles 44. 2nd set collar button 44 comprises the 3rd semicircular rings button 441, the 4th semicircular rings button 442,3rd semicircular rings button 441 one end is connected with the 4th semicircular rings button 442 one end by the 2nd rotating shaft 443,3rd semicircular rings button 441 the other end is provided with the 3rd card button, four or two semicircular rings button 442 the other end is provided with the 4th card button, it is equipped with multiple 2nd elastic bumps 444 inside 3rd semicircular rings button 441, the 4th semicircular rings button 442, ensures that valve can be clamped by the 2nd set collar button 44.
As shown in Figure 1 and Figure 2, in the present embodiment, the first pressing device 5 comprises the first drive unit 51, first expansion link 52 and the first pressing plate 53, the distance value that the length of the first pressing plate 53 is greater than between two the first chutes 31 of furthest apart, width and the valve chassis of the first pressing plate 53 are suitable, and the first pressing plate 53 is connected with the first drive unit 51 by the first expansion link 31.
As shown in Figure 1 and Figure 2, in the present embodiment, the 2nd pressing device 6 comprises the 2nd drive unit 61, the 2nd expansion link 62 and the 2nd pressing plate 63, the distance value that the length of the 2nd pressing plate 63 is greater than between two the 2nd chutes 41 of furthest apart, width and the valve chassis of the 2nd pressing plate 63 are suitable, and the 2nd pressing plate 63 is connected with the 2nd drive unit 61 by the 2nd expansion link 62.
A kind of high-level efficiency valve boom end milling apparatus that the present invention proposes, during work, first the first slide block 32 is all moved to the first chute 31 away from grinding wheel 2 one end, 2nd slide block 42 is all moved to the 2nd chute 41 away from grinding wheel 2 one end, it is achieved determine position that valve 7 to be clamped and the first limited block 33 in position in the 2nd chute 41 of the first chute 31, the 2nd limited block 43 according to the size of the valve 7 to be ground, then by the first set collar button 34, valve 7 is fixed on the first slide block 32, by the 2nd set collar button 44, valve 7 is fixed on the 2nd slide block 42, first set collar button 34, 2nd set collar button 44 all specifies retaining part to overlap with on valve 7, valve bar is placed towards grinding wheel 2, then grinding wheel 2 is driven to rotate, first drive unit 51 drives the first expansion link 52 to extend, 2nd drive unit 61 drives the 2nd expansion link 62 to extend, first pressing plate 53, 2nd pressing plate 63 compresses with valve chassis respectively and promotes valve 7, thus drive the first slide block 32, 2nd slide block 42 is respectively at the first chute 31, move in 2nd chute 41, namely stop sliding when the first slide block 32 moves to the first limited block 33 place, 2nd slide block 42 moves to the 2nd limited block 43 place and namely stops sliding, valve boom end is ground by grinding wheel 2, valve 7 is taken off after having ground. the present invention uses the emery wheel of at a high speed running, and grinding effect is good, valve boom end smooth surface without vestige, working efficiency height, constant product quality, processing safety height.
The above; it is only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; any it is familiar with those skilled in the art in the technical scope that the present invention discloses; technical scheme and invention design thereof according to the present invention are equal to replacement or are changed, and all should be encompassed within protection scope of the present invention.
Claims (7)
1. a high-level efficiency valve boom end milling apparatus, it is characterised in that, the driving mechanism comprising worktable (1), grinding wheel (2) and driving grinding wheel (2) to rotate, wherein,
Grinding wheel (2) is positioned at worktable (1) top; Worktable (1) is provided with the first clamping device (3) for clamping air valve (7) and the 2nd clamping device (4), and the first clamping device (3), the 2nd clamping device (4) are symmetricly set on the both sides of grinding wheel (2); First clamping device (3) is provided with the first pressing device (5) for being promoted by the valve (7) on the first clamping device (3) to grinding wheel (2) away from grinding wheel (2) side, and the 2nd clamping device (4) is provided with the 2nd pressing device (6) for being promoted by the valve (7) on the 2nd clamping device (4) to grinding wheel (2) away from grinding wheel (2) side;
First clamping device (3) comprises first chute (31) of multiple parallel setting, the slip direction of multiple first chute (31) is vertical with the disc of grinding wheel (2), the first slide block (32) all it is connected with in first chute (31), the first slide block (32) it is positioned in first chute (31), the first limited block (33) for stoping the first slide block (32) to slide it is provided with between grinding wheel (2), first slide block (32) is provided with first set collar suitable with valve bar away from the first chute (31) side and buckles (34),
2nd clamping device (4) comprises the 2nd chute (41) of multiple parallel setting, the slip direction of multiple 2nd chute (41) is vertical with the disc of grinding wheel (2), the 2nd slide block (42) all it is connected with in 2nd chute (41), the 2nd slide block (42) it is positioned in 2nd chute (41), the 2nd limited block (43) for stoping the 2nd slide block (42) to slide it is provided with between grinding wheel (2), 2nd slide block (42) is provided with two set collar suitable with valve bar away from the 2nd chute (41) side and buckles (44).
2. high-level efficiency valve boom end milling apparatus according to claim 1, it is characterized in that, first pressing device (5) comprises the first drive unit (51), the first expansion link (52) and the first pressing plate (53), the distance value that the length of the first pressing plate (53) is greater than between two the first chutes (31) of furthest apart, width and the valve chassis of the first pressing plate (53) are suitable, and the first pressing plate (53) is connected with the first drive unit (51) by the first expansion link (31).
3. high-level efficiency valve boom end milling apparatus according to claim 2, it is characterized in that, 2nd pressing device (6) comprises the 2nd drive unit (61), the 2nd expansion link (62) and the 2nd pressing plate (63), the distance value that the length of the 2nd pressing plate (63) is greater than between two the 2nd chutes (41) of furthest apart, width and the valve chassis of the 2nd pressing plate (63) are suitable, and the 2nd pressing plate (63) is connected with the 2nd drive unit (61) by the 2nd expansion link (62).
4. high-level efficiency valve boom end milling apparatus according to any one of claim 1-3, it is characterized in that, first set collar button (34) comprises the first semicircular rings button (341), 2nd semicircular rings button (342), first semicircular rings button (341) one end is connected with the 2nd semicircular rings button (342) one end by the first rotating shaft (343), first semicircular rings button (341) the other end is provided with the first card and buckles, 2nd semicircular rings button (342) the other end is provided with the 2nd card button, first semicircular rings button (341), 2nd semicircular rings button (342) inner side is equipped with multiple first elastic bumps (344).
5. high-level efficiency valve boom end milling apparatus according to any one of claim 1-3, it is characterized in that, 2nd set collar button (44) comprises the 3rd semicircular rings button (441), 4th semicircular rings button (442), 3rd semicircular rings button (441) one end is connected with the 4th semicircular rings button (442) one end by the 2nd rotating shaft (443), 3rd semicircular rings button (441) the other end is provided with the 3rd card button, four or two semicircular rings button (442) the other end is provided with the 4th card button, 3rd semicircular rings button (441), 4th semicircular rings button (442) inner side is equipped with multiple 2nd elastic bumps (444).
6. high-level efficiency valve boom end milling apparatus according to any one of claim 1-3, it is characterized in that, first limited block (33) and the first chute (31) are slidably connected, be provided with in the first chute (31) the first limited block (33) first from locking mechanism.
7. high-level efficiency valve boom end milling apparatus according to any one of claim 1-3, it is characterized in that, 2nd limited block (43) and the 2nd chute (41) are slidably connected, be provided with in the 2nd chute (41) the 2nd limited block (43) the 2nd from locking mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610121219.6A CN105666270B (en) | 2016-03-03 | 2016-03-03 | A kind of high efficiency valve end lapping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610121219.6A CN105666270B (en) | 2016-03-03 | 2016-03-03 | A kind of high efficiency valve end lapping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105666270A true CN105666270A (en) | 2016-06-15 |
| CN105666270B CN105666270B (en) | 2018-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610121219.6A Active CN105666270B (en) | 2016-03-03 | 2016-03-03 | A kind of high efficiency valve end lapping device |
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| CN (1) | CN105666270B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907995A (en) * | 2018-07-28 | 2018-11-30 | 安徽沃德气门制造有限公司 | A kind of adjustable air valve polishing process equipment |
| CN110355672A (en) * | 2019-07-31 | 2019-10-22 | 深圳太辰光通信股份有限公司 | A kind of full-automatic double flute cutting machine of lock pin |
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| EP0456590A1 (en) * | 1990-05-07 | 1991-11-13 | Serdi - Societe D'etudes De Realisation Et De Diffusion Industrielles | Valve head grinding device, particularly for an internal combustion engine |
| JP2001105312A (en) * | 1999-10-05 | 2001-04-17 | Fuji Oozx Inc | Grinding machine |
| CN202292380U (en) * | 2011-09-30 | 2012-07-04 | 安徽沃德气门制造有限公司 | Automatic valve cut-off machine |
| CN203566453U (en) * | 2013-10-08 | 2014-04-30 | 杭州市气门有限公司 | Flexible adjustable valve grinding device |
| CN104493666A (en) * | 2014-11-26 | 2015-04-08 | 镇江维纳特气门有限公司 | Valve-retainer portion high-precision one-time formation grinding device |
| CN205572078U (en) * | 2016-03-03 | 2016-09-14 | 安庆市鼎立汽车配件有限公司 | High efficiency valve end grinder |
-
2016
- 2016-03-03 CN CN201610121219.6A patent/CN105666270B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0456590A1 (en) * | 1990-05-07 | 1991-11-13 | Serdi - Societe D'etudes De Realisation Et De Diffusion Industrielles | Valve head grinding device, particularly for an internal combustion engine |
| JP2001105312A (en) * | 1999-10-05 | 2001-04-17 | Fuji Oozx Inc | Grinding machine |
| CN202292380U (en) * | 2011-09-30 | 2012-07-04 | 安徽沃德气门制造有限公司 | Automatic valve cut-off machine |
| CN203566453U (en) * | 2013-10-08 | 2014-04-30 | 杭州市气门有限公司 | Flexible adjustable valve grinding device |
| CN104493666A (en) * | 2014-11-26 | 2015-04-08 | 镇江维纳特气门有限公司 | Valve-retainer portion high-precision one-time formation grinding device |
| CN205572078U (en) * | 2016-03-03 | 2016-09-14 | 安庆市鼎立汽车配件有限公司 | High efficiency valve end grinder |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907995A (en) * | 2018-07-28 | 2018-11-30 | 安徽沃德气门制造有限公司 | A kind of adjustable air valve polishing process equipment |
| CN110355672A (en) * | 2019-07-31 | 2019-10-22 | 深圳太辰光通信股份有限公司 | A kind of full-automatic double flute cutting machine of lock pin |
| CN110355672B (en) * | 2019-07-31 | 2021-07-09 | 深圳太辰光通信股份有限公司 | Full-automatic double flute cutting machine of lock pin |
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| Publication number | Publication date |
|---|---|
| CN105666270B (en) | 2018-01-16 |
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Denomination of invention: High efficiency valve stem end grinding device Effective date of registration: 20211118 Granted publication date: 20180116 Pledgee: Wangjiang County Financing Guarantee Co.,Ltd. Pledgor: ANQING DINGLI AUTOMOBILE ACCESSORIES CO.,LTD. Registration number: Y2021980012690 |
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Address after: 246000 No. 19, Lantian Road, Wangjiang County, Anqing City, Anhui Province Patentee after: Anhui Dingli Intelligent Manufacturing Co.,Ltd. Address before: 246000 No. 19, Lantian Road, Wangjiang County, Anqing City, Anhui Province Patentee before: ANQING DINGLI AUTOMOBILE ACCESSORIES CO.,LTD. |
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Date of cancellation: 20230807 Granted publication date: 20180116 Pledgee: Wangjiang County Financing Guarantee Co.,Ltd. Pledgor: ANQING DINGLI AUTOMOBILE ACCESSORIES CO.,LTD. Registration number: Y2021980012690 |
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