CN211915545U - Multiple centering internal expanding clamp capable of performing airtight detection - Google Patents
Multiple centering internal expanding clamp capable of performing airtight detection Download PDFInfo
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- CN211915545U CN211915545U CN202020597841.6U CN202020597841U CN211915545U CN 211915545 U CN211915545 U CN 211915545U CN 202020597841 U CN202020597841 U CN 202020597841U CN 211915545 U CN211915545 U CN 211915545U
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- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 125000006850 spacer group Chemical group 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 14
- 239000010720 hydraulic oil Substances 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 3
- 238000004073 vulcanization Methods 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 8
- 230000001447 compensatory effect Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 241000208682 Liquidambar Species 0.000 description 11
- 235000006552 Liquidambar styraciflua Nutrition 0.000 description 11
- 235000013399 edible fruits Nutrition 0.000 description 11
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of machining, a many times of airtight detection's anchor clamps that rise in centering can be carried out is related to, include: the positioning device comprises a first pull rod, a positioning disc, a positioning seat, a spacing disc, a second pull rod, a spacing sleeve, a positioning sleeve, an elastic sheet group and a gasket, wherein a second pull rod thread section of the second pull rod penetrates through the positioning seat and is connected with a first pull rod thread hole of the first pull rod embedded in the positioning disc, the positioning disc is fixedly connected with the positioning seat, the spacing disc, the positioning sleeve and the elastic sheet group are arranged on the outer side of one end of the positioning seat in a sleeved mode, part of the spacing sleeve is arranged on the outer side of the positioning sleeve in a sleeved mode, and the gasket is arranged on the outer side of one end of the positioning seat in a sleeved mode and located. According to the utility model discloses a mode that can adopt internal expanding carries out many times centering to complicated work piece, realizes carrying out the axial centre gripping to its whole to reach minimum deformation through compensatory centre gripping, be particularly useful for the processing of non-circular and thin wall type work piece.
Description
Technical Field
The utility model belongs to the technical field of machining, especially, relate to a many times of airtight detection anchor clamps that rise in centering can carry out.
Background
The fixture is an indispensable component for machining, and is used for clamping a workpiece so as to enable the workpiece to be subjected to various machining processes. With the increasing industrial level, the demands on the machining equipment, in particular on the fixtures used during machining, are increasing. Particularly, when a workpiece with a complex structure and high precision requirement, such as a non-circular or thin-wall workpiece, is machined, the workpiece is easily deformed by the clamping mode of the traditional clamp, and stable dimensional precision is difficult to obtain particularly during high-speed machining. Therefore, in order to obtain high-quality machined parts, the structural design optimization of the fixture itself is an important research direction.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a multiple centering internal expanding clamp which can carry out airtight detection.
According to an aspect of the present invention, a multiple centering internal expanding jig capable of performing airtightness detection includes: the positioning device comprises a first pull rod A, a positioning disc B, a positioning seat C, a spacing disc D, a second pull rod E, a spacing sleeve F, a positioning sleeve G, an elastic sheet group H and a gasket I, wherein a second pull rod thread section E2 of the second pull rod E penetrates through the positioning seat C to be connected with a first pull rod thread hole A5 of the first pull rod A embedded in the positioning disc B, the positioning disc B is fixedly connected with the positioning seat C, the spacing disc D, the positioning sleeve G and the elastic sheet group H are sleeved on the outer side of one end of the positioning seat C, the spacing sleeve F is partially sleeved on the outer side of the positioning sleeve G, and the gasket I is sleeved on the outer side of one end of the positioning seat C and located between the elastic sheet group H and a second pull rod large end E3 of.
According to the utility model discloses an exemplary embodiment, first pull rod A includes first pull rod main aspects A1 and first pull rod tip A2, and first pull rod main aspects A1 bottom side is equipped with first pilot hole A3, and first pull rod main aspects A1 side is equipped with seal groove A4, and first pull rod screw hole A5 sets up on first pull rod tip A2 top side.
According to the utility model discloses an exemplary embodiment, positioning disk B includes positioning disk body B1, positioning disk major axis end B2 and positioning disk stub axle B3, and positioning disk major axis end B2 is equipped with the first shaft hole B4 of positioning disk, and positioning disk stub axle B3 is equipped with positioning disk second shaft hole B5, and positioning disk body B1 is equipped with positioning disk second seal groove B14 in positioning disk stub axle B3 one side.
According to the utility model discloses an exemplary embodiment, be equipped with first hydraulic pressure sweetgum fruit way passageway B7 on positioning disk body B1, first hydraulic pressure sweetgum fruit way passageway B7 first end and positioning disk primary shaft hole B4 intercommunication, first hydraulic pressure sweetgum fruit way passageway B7 second end is through the side intercommunication of the sealed screw hole B8 of hydraulic pressure oilway and positioning disk body B1, first hydraulic pressure sweetgum fruit way passageway B7 third end is through second hydraulic pressure sweetgum fruit way passageway B9 and positioning disk body B1 on positioning disk main shaft end B2 place one side intercommunication.
According to the utility model discloses an exemplary embodiment, be equipped with the first gas channel B10 of positioning disk on positioning disk body B1, positioning disk second gas channel B11 and positioning disk second seal groove B14 intercommunication are passed through to the first end of positioning disk first gas channel B10, positioning disk first gas channel B10 second end is through the side intercommunication of the sealed screw hole B12 of gas channel with positioning disk body B1, positioning disk first gas channel B10 third end is through positioning disk third gas channel B13 and positioning disk body B1 on positioning disk main shaft end B2 place one side intercommunication.
According to the exemplary embodiment of the present invention, a positioning plate first sealing groove B6 is provided in the middle of the positioning plate second shaft hole B5.
According to the utility model discloses an exemplary embodiment, positioning seat C includes positioning seat body C1 and sets up the positioning seat primary shaft end C2, positioning seat secondary shaft end C3 and positioning seat third shaft end C4 in positioning seat body C1 one side, be equipped with the positioning seat gas channel C5 that link up positioning seat body C1 on positioning seat primary shaft end C2, positioning seat gas channel C5 one end and positioning disk second seal groove B14 intercommunication, shell fragment group H cover is established in the positioning seat third shaft end C4 outside, positioning sleeve G cover is established in the positioning seat secondary shaft end C3 outside.
According to the utility model discloses an exemplary embodiment, the spacer disk D external diameter is the same with positioning seat primary shaft end C2 external diameter, and spacer disk D is equipped with spacer disk assembly groove D3, and spacer disk D is equipped with spacer disk gas passage D5, spacer disk gas passage D5 and positioning seat gas passage C5 intercommunication.
According to the exemplary embodiment of the present invention, the spring plate group H is composed of a plurality of stacked spring plates H1, wherein the spring plate H1 is made of thin metal sheets, and the spring plates H1 are connected by rubber and are vulcanized; the elastic sheet H1 inclines to one side from outside to inside, the elastic sheet H1 comprises a plurality of elastic teeth, a rectangular first elastic sheet groove H3 is formed between every two adjacent elastic teeth, and an inverted triangular second elastic sheet groove H4 is formed in each elastic tooth.
According to the exemplary embodiment of the present invention, second pull rod E includes second pull rod middle shaft section E1, second pull rod screw thread section E2 and second pull rod main end E3, and second pull rod main end E3 end is equipped with second pull rod screw hole E4.
Compared with the prior art, the utility model discloses a many times of airtight detection's centering internal expanding anchor clamps pass through the structural design of first pull rod, positioning disk, positioning seat, spacer disc, second pull rod, spacer sleeve, position sleeve, bullet piece group and gasket to set up the gas passage that hydraulic oil sweetgum fruit way passageway and airtight detection used in anchor clamps structure, can realize the high accuracy centre gripping to the complex structure work piece, thereby improve the machining efficiency and the processingquality of complex structure work piece.
Specifically, many times of centering internal expanding anchor clamps that airtight detection can carry out in this application have following advantage: 1) the fixture has an optimized comprehensive structural design, can perform multiple times of centering on a complex workpiece in an internal expansion mode, and can still easily realize axial clamping on the whole machined workpiece when the machined workpiece has tolerance floating; 2) the hydraulic oil circuit enables the pull rod to axially move to clamp and loosen the workpiece, so that the action is stable, the impact of the action of the clamp on the workpiece is obviously reduced, and the surface deformation of the workpiece is avoided; 3) the setting of airtight detection passageway makes anchor clamps can carry out the gas tightness when using in lathe or machining center and detect, realizes automatic material loading. 4) The elastic group is the combination of organic materials and metal materials, can match the shape of a workpiece when clamping, reduces redundant deformation, achieves minimum deformation through compensatory clamping, and is particularly suitable for processing noncircular and thin-wall workpieces.
Drawings
Fig. 1 is a schematic sectional view of an assembly of a multiple centering internal expanding fixture capable of detecting air tightness according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a first pull rod according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a puck according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a positioning plate according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a positioning seat according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a spacer disc according to an embodiment of the present invention;
fig. 7 is a schematic cross-sectional view of a second tie rod according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a spacer according to an embodiment of the present invention;
fig. 9 is a schematic cross-sectional view of a positioning sleeve according to an embodiment of the present invention;
fig. 10 is a schematic cross-sectional view of a group of spring plates according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram of a clip according to an embodiment of the present invention.
The device comprises a first pull rod, a positioning plate, a positioning seat, a D-spacing plate, a second pull rod, an F-spacing sleeve, a G-positioning sleeve, an H-elastic sheet group and an I-gasket.
A1-a first pull rod big end, A2-a first pull rod small end, A3-a first assembly hole, A4-a seal groove and A5-a first pull rod threaded hole.
B1-positioning disc body, B2-positioning disc large shaft end, B3-positioning disc small shaft end, B4-positioning disc first shaft hole, B5-positioning disc second shaft hole, B6-positioning disc first sealing groove, B7-first hydraulic oil channel, B8-hydraulic oil channel sealing threaded hole, B9-second hydraulic oil channel, B10-positioning disc first gas channel, B11-positioning disc second gas channel, B12-gas channel sealing threaded hole, B13-positioning disc third gas channel, B14-positioning disc second sealing groove, B15-positioning disc positioning stepped hole, B16-positioning disc positioning through hole and B17-positioning disc positioning pin hole.
The positioning seat comprises a C-positioning seat, a C1-positioning seat body, a C2-positioning seat first shaft end, a C3-positioning seat second shaft end, a C4-positioning seat third shaft end, a C5-positioning seat gas channel, a C6-positioning seat positioning stepped hole, a C7-positioning seat positioning pin hole, a C8-positioning seat first shaft hole, a C9-positioning seat second shaft hole, a C10-positioning seat first threaded hole and a C11-positioning seat second threaded hole.
D1-spacing disc body, D2-spacing disc shaft hole, D3-spacing disc assembly groove, D4-spacing disc positioning ring, D5-spacing disc gas channel, D6-spacing disc spring assembly stepped hole, D7-spacing disc first pin hole and D8-spacing disc second pin hole.
E1-the middle shaft section of the second pull rod, E2-the threaded section of the second pull rod, E3-the large end of the second pull rod, and E4-the threaded hole of the second pull rod.
F1-the big end of the spacer, F2-the axial hole of the spacer.
G1, a small end of the positioning sleeve, G2, an axle hole of the positioning sleeve, and G3, a positioning hole of the positioning sleeve.
H1-spring plate, H2-spring plate group shaft hole, H3-spring plate first groove and H4-spring plate second groove.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, according to the utility model discloses a many times of airtight detection's anchor clamps that rise in centering can carry out, include: the positioning device comprises a first pull rod A, a positioning disc B, a positioning seat C, a spacing disc D, a second pull rod E, a spacing sleeve F, a positioning sleeve G, an elastic sheet group H and a gasket I, wherein a second pull rod thread section E2 of the second pull rod E penetrates through the positioning seat C to be connected with a first pull rod thread hole A5 of the first pull rod A embedded in the positioning disc B, the positioning disc B is fixedly connected with the positioning seat C, the spacing disc D, the positioning sleeve G and the elastic sheet group H are sleeved on the outer side of one end of the positioning seat C, the spacing sleeve F is partially sleeved on the outer side of the positioning sleeve G, and the gasket I is sleeved on the outer side of one end of the positioning seat C and located between the elastic sheet group H and a second pull rod large end E3 of.
Specifically, the first pull rod a comprises a first pull rod big end a1 and a first pull rod small end a2, a first assembly hole A3 is formed in the bottom side of the first pull rod big end a1, a sealing groove a4 is formed in the side edge of the first pull rod big end a1, and a first pull rod threaded hole a5 is formed in the top side of the first pull rod small end a 2.
Positioning disk B includes positioning disk body B1, positioning disk major axis end B2 and positioning disk stub axle B3, and positioning disk major axis end B2 is equipped with the first shaft hole B4 of positioning disk, and positioning disk stub axle B3 is equipped with positioning disk second shaft hole B5, and positioning disk body B1 is equipped with positioning disk second seal groove B14 in positioning disk stub axle B3 one side.
Be equipped with first hydraulic pressure sweetgum fruit way passageway B7 on positioning disk body B1, first hydraulic pressure sweetgum fruit way passageway B7 first end and positioning disk first shaft hole B4 intercommunication, first hydraulic pressure sweetgum fruit way passageway B7 second end passes through the side intercommunication of hydraulic pressure oilway sealed screw hole B8 with positioning disk body B1, first hydraulic pressure sweetgum fruit way passageway B7 third end passes through second hydraulic pressure sweetgum fruit way passageway B9 and positioning disk body B1 on positioning disk main shaft end B2 place one side intercommunication.
Be equipped with the first gas channel B10 of positioning disk on positioning disk body B1, the first end of the first gas channel B10 of positioning disk passes through positioning disk second gas channel B11 and positioning disk second seal groove B14 intercommunication, the first gas channel B10 second end of positioning disk passes through the sealed screw hole B12 of gas channel and positioning disk body B1's side intercommunication, positioning disk first gas channel B10 third end passes through positioning disk third gas channel B13 and positioning disk body B1 on positioning disk main part B2 positioning disk major axis end B2 place one side intercommunication. A plurality of positioning disk positioning stepped holes B15 and positioning disk positioning through holes B16 are uniformly distributed on the upper circumference of the positioning disk body B1, and a positioning disk positioning pin hole B17 is arranged beside the positioning disk positioning through hole B16.
And a first seal groove B6 of the positioning disc is arranged in the middle of the second shaft hole B5 of the positioning disc.
The positioning seat C comprises a positioning seat body C1, a positioning seat first shaft end C2, a positioning seat second shaft end C3 and a positioning seat third shaft end C4, which are arranged on one side of the positioning seat body C1, a positioning seat gas channel C5 penetrating through the positioning seat body C1 is arranged on the positioning seat first shaft end C2, one end of the positioning seat gas channel C5 is communicated with a positioning disk second sealing groove B14, the elastic sheet group H is sleeved on the outer side of the positioning seat third shaft end C4, and the positioning sleeve G is sleeved on the outer side of the positioning seat second shaft end C3.
A plurality of positioning seat positioning stepped holes C6 and positioning seat second threaded holes C11 are uniformly and circumferentially distributed on the positioning seat body C1; the positioning seat dowel pin hole C7 is disposed on the positioning seat first shaft end C2; the positioning seat first shaft hole C8 and the positioning seat second shaft hole C9 are coaxially arranged; a plurality of positioning seat first threaded holes C10 are evenly distributed on the end circumference of the positioning seat third shaft end C4.
The outer diameter of the spacing disc D is the same as that of the first shaft end C2 of the positioning seat, the spacing disc D is provided with a spacing disc assembling groove D3, and a plurality of spacing disc first pin holes D7 and a spacing disc second pin hole D8 are uniformly distributed on the inner circumference of the spacing disc assembling groove D3; and a spacing disc gas channel D5 is arranged on a spacing disc body D1 of the spacing disc D, and the spacing disc gas channel D5 is communicated with the positioning seat gas channel C5. The spacing disc shaft hole D2 is coaxial with the positioning seat C, and a plurality of spacing disc spring assembly stepped holes D6 are evenly and circumferentially distributed on the spacing disc positioning ring D4.
The spring plate group H consists of a plurality of stacked spring plates H1, wherein the spring plate H1 is made of thin metal sheets, and the spring plates H1 are connected by rubber and are vulcanized; the elastic sheet H1 inclines to one side from outside to inside, the elastic sheet H1 comprises a plurality of elastic teeth, a rectangular first elastic sheet groove H3 is formed between every two adjacent elastic teeth, and an inverted triangular second elastic sheet groove H4 is formed in each elastic tooth; the spring plate group shaft hole H2 and the positioning seat C are coaxial.
The large end F1 of the spacing sleeve is matched with the mounting groove D3 of the spacing disc, and the shaft hole F2 of the spacing sleeve is coaxial with the spacing disc D.
The small end G1 of the positioning sleeve is matched with the shaft hole F2 of the spacing sleeve, the shaft hole G2 of the positioning sleeve is coaxial with the positioning seat C, and the positioning hole G3 of the positioning sleeve is matched with the spring plate group H.
The second pull rod E comprises a second pull rod middle shaft section E1, a second pull rod thread section E2 and a second pull rod large end E3, and a second pull rod threaded hole E4 is formed in the tail end of the second pull rod large end E3.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A multiple centering internal expanding clamp capable of performing airtight detection, which is characterized by comprising: the positioning device comprises a first pull rod (A), a positioning disc (B), a positioning seat (C), a spacing disc (D), a second pull rod (E), a spacing sleeve (F), a positioning sleeve (G), an elastic sheet group (H) and a gasket (I), wherein a second pull rod thread section (E2) of the second pull rod (E) penetrates through the positioning seat (C) to be connected with a first pull rod thread hole (A5) of the first pull rod (A) embedded in the positioning disc (B), the positioning disc (B) is fixedly connected with the positioning seat (C), the spacing disc (D), the positioning sleeve (G) and the elastic sheet group (H) are sleeved on one end outer side of the positioning seat (C), the spacing sleeve (F) is partially sleeved on the outer side of the positioning sleeve (G), and the gasket (I) is sleeved on one end outer side of the positioning seat (C) and located between the elastic sheet group (H) and a second pull rod large end (E3) of the second pull rod (E).
2. The multiple centering internal expanding clamp capable of performing airtightness detection according to claim 1, wherein the first pull rod (a) comprises a first pull rod big end (a1) and a first pull rod small end (a2), a first assembly hole (A3) is formed in the bottom side of the first pull rod big end (a1), a sealing groove (a4) is formed in the side edge of the first pull rod big end (a1), and a first pull rod threaded hole (a5) is formed in the top side of the first pull rod small end (a 2).
3. The multiple-centering internal expanding clamp capable of performing airtightness detection according to claim 1, wherein the positioning disk (B) comprises a positioning disk body (B1), a positioning disk large shaft end (B2) and a positioning disk small shaft end (B3), the positioning disk large shaft end (B2) is provided with a positioning disk first shaft hole (B4), the positioning disk small shaft end (B3) is provided with a positioning disk second shaft hole (B5), and the positioning disk body (B1) is provided with a positioning disk second sealing groove (B14) on one side of the positioning disk small shaft end (B3).
4. The multiple-centering internal expanding clamp capable of performing airtightness detection according to claim 3, wherein a first hydraulic oil passage (B7) is arranged on the positioning plate body (B1), a first end of the first hydraulic oil passage (B7) is communicated with a first shaft hole (B4) of the positioning plate, a second end of the first hydraulic oil passage (B7) is communicated with a side edge of the positioning plate body (B1) through a hydraulic oil passage sealing threaded hole (B8), and a third end of the first hydraulic oil passage (B7) is communicated with one side of the positioning plate body (B1) where a large shaft end (B2) of the positioning plate is located through a second hydraulic oil passage (B9).
5. The multiple centering internal expanding clamp capable of performing airtightness detection according to claim 3, wherein a positioning plate first gas passage (B10) is formed in the positioning plate body (B1), a first end of the positioning plate first gas passage (B10) is communicated with a positioning plate second sealing groove (B14) through a positioning plate second gas passage (B11), a second end of the positioning plate first gas passage (B10) is communicated with a side edge of the positioning plate body (B1) through a gas passage sealing threaded hole (B12), and a third end of the positioning plate first gas passage (B10) is communicated with one side of the positioning plate body (B1) where a positioning plate large shaft end (B2) is located through a positioning plate third gas passage (B13).
6. The multiple centering internal expanding clamp capable of detecting airtightness according to claim 3, wherein a positioning plate first sealing groove (B6) is formed in the middle of the positioning plate second shaft hole (B5).
7. The multiple centering internal expanding clamp capable of performing airtightness detection according to claim 3, wherein the positioning seat (C) comprises a positioning seat body (C1), and a positioning seat first shaft end (C2), a positioning seat second shaft end (C3) and a positioning seat third shaft end (C4) which are arranged on one side of the positioning seat body (C1), the positioning seat first shaft end (C2) is provided with a positioning seat gas channel (C5) which penetrates through the positioning seat body (C1), one end of the positioning seat gas channel (C5) is communicated with the positioning disk second sealing groove (B14), the spring group (H) is sleeved on the outer side of the positioning seat third shaft end (C4), and the positioning sleeve (G) is sleeved on the outer side of the positioning seat second shaft end (C3).
8. The multiple centering internal expanding clamp capable of performing airtightness detection according to claim 7, wherein the outer diameter of the spacer disk (D) is the same as the outer diameter of the first shaft end (C2) of the positioning seat, the spacer disk (D) is provided with a spacer disk assembling groove (D3), the spacer disk (D) is provided with a spacer disk gas passage (D5), and the spacer disk gas passage (D5) is communicated with the positioning seat gas passage (C5).
9. The multiple centering internal expanding clamp capable of detecting airtightness according to claim 8, wherein the spring sheet set (H) is composed of a plurality of stacked spring sheets (H1), wherein the spring sheets (H1) are made of thin metal sheets, and the spring sheets (H1) are connected with each other by rubber and are subjected to vulcanization treatment; the elastic sheet (H1) inclines to one side from outside to inside, the elastic sheet (H1) comprises a plurality of elastic teeth, a rectangular first elastic sheet groove (H3) is formed between every two adjacent elastic teeth, and an inverted triangular second elastic sheet groove (H4) is formed in each elastic tooth.
10. The multiple centering internal expanding clamp capable of detecting airtightness is characterized in that the second pull rod (E) comprises a second pull rod middle shaft section (E1), a second pull rod thread section (E2) and a second pull rod large end (E3), and the second pull rod large end (E3) is provided with a second pull rod threaded hole (E4) at the tail end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020597841.6U CN211915545U (en) | 2020-04-21 | 2020-04-21 | Multiple centering internal expanding clamp capable of performing airtight detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020597841.6U CN211915545U (en) | 2020-04-21 | 2020-04-21 | Multiple centering internal expanding clamp capable of performing airtight detection |
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| Publication Number | Publication Date |
|---|---|
| CN211915545U true CN211915545U (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020597841.6U Active CN211915545U (en) | 2020-04-21 | 2020-04-21 | Multiple centering internal expanding clamp capable of performing airtight detection |
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| CN (1) | CN211915545U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354094A (en) * | 2021-12-31 | 2022-04-15 | 泰州优麦精密机械有限公司 | Rear-pull type internal-expansion zero-displacement airtight detection clamp for numerical control machine tool |
-
2020
- 2020-04-21 CN CN202020597841.6U patent/CN211915545U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354094A (en) * | 2021-12-31 | 2022-04-15 | 泰州优麦精密机械有限公司 | Rear-pull type internal-expansion zero-displacement airtight detection clamp for numerical control machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Multiple Centering Inner Expansion Fixture for Gas Tightness Testing Effective date of registration: 20221009 Granted publication date: 20201113 Pledgee: Bank of China Limited Huangshan Branch Pledgor: HUANGSHAN MINGLUN PRECISION HARDWARE Co.,Ltd. Registration number: Y2022980017790 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231103 Granted publication date: 20201113 Pledgee: Bank of China Limited Huangshan Branch Pledgor: HUANGSHAN MINGLUN PRECISION HARDWARE Co.,Ltd. Registration number: Y2022980017790 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |