CN204819551U - Mechanism is got to axle form part negative pressure clamp - Google Patents
Mechanism is got to axle form part negative pressure clamp Download PDFInfo
- Publication number
- CN204819551U CN204819551U CN201520570120.5U CN201520570120U CN204819551U CN 204819551 U CN204819551 U CN 204819551U CN 201520570120 U CN201520570120 U CN 201520570120U CN 204819551 U CN204819551 U CN 204819551U
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- CN
- China
- Prior art keywords
- ring
- negative pressure
- shaft
- internal fixtion
- extenal fixation
- 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.)
- Withdrawn - After Issue
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a mechanism is got to axle form part negative pressure clamp, this mechanism include two oblique collateral branch framves, collateral branch frame top rigid coupling has a diaphragm to one side, the rigid coupling has two pole push cylinder on the diaphragm, two pole push cylinder's push rod front end rigid coupling has the internal fixation to encircle it connects and the connecting axle to be equipped with a plurality of suction in turn along circumference on the anchor ring of internal fixation ring, connecting axle one end is connected with the external fixation ring, be equipped with a plurality of absorption chucks along circumference on the anchor ring of external fixation ring, it connects to adsorb chuck tail end intercommunication suction, suction connects the negative pressure aspiration pump that the intercommunication corresponds for continuously form the negative pressure in adsorbing the chuck. The utility model discloses axle form, tubular part get to being used for pressing from both sides in the mechanism, and can easily get the material and can change through atmospheric pressure again and detect the test piece and whether pressed from both sides and get, novel structure, it is with low costs.
Description
Technical field
The utility model belongs to chemical analysis technical field of tools, is specifically related to a kind of shaft-like part negative pressure gripping body.
Background technology
Gas-chromatography and high performance liquid chromatography are the precision instruments being usually used in compartment analysis at present, the core position of instrument is chromatographic column, chromatographic column often needs to change or cleaning, in daily assembling process, due to the profile difficult fully gripping when gripping that is circular clamp, in assembling or use procedure, often cause chromatographic column loosen or come off, thus affect measurement result, the utility model adopts and becomes open circles to utilize shaft hole matching to fix shaft-like part jig Design, make shaft-like part fully fixing, substantially increase efficiency of assembling, and negative pressure is formed in hole, improve clamping force and stability, thus make test data more stable, accurately.
Utility model content
The utility model cannot abundant gripping inherent defect for existing shaft-like part, and provide a kind of shaft hole matching and fix shaft-like part, solving original inorganic shaft-like part cannot fully gripping problem.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the utility model is achieved through the following technical solutions:
A kind of shaft-like part negative pressure gripping body, this mechanism comprises two oblique side stands, described oblique side stand top is connected with a transverse slat, described transverse slat is connected with two bar and promotes cylinder, the push rod front end of described pair of bar promotion cylinder is connected with internal fixtion ring, the anchor ring of described internal fixtion ring is circumferentially alternately provided with multiple suction joint and connecting axle, described connecting axle one end is connected with extenal fixation ring, the anchor ring of described extenal fixation ring is circumferentially provided with multiple absorption chuck, described absorption chuck tail end is communicated with suction joint, the negative pressure sucking pump that described suction fittings is corresponding, for continuing to form negative pressure in absorption chuck.
Further, the hole that described suction joint is corresponding with on internal fixtion ring coordinates, and is fixed on by end face nut on the anchor ring of internal fixtion ring.
Further, described connecting axle one end cutting thread is also connected and fixed by screw thread and extenal fixation ring, and other end tapping female bore is also fixed on internal fixtion ring by the screw on internal fixtion ring anchor ring.
Further, described absorption chuck is beam barrel shape, and its outer wall and extenal fixation ring are fixed on extenal fixation ring by the shaft hole matching of interference.
Further, spun by screw thread between described suction joint and absorption chuck.
The beneficial effects of the utility model are:
Adopt technical solutions of the utility model, open circles jig Design is become to utilize shaft hole matching and negative pressure fix and clamp shaft-like part, make shaft-like part fully fixing, substantially increase fixing or efficiency of assembling, easily feeding whether can detect test specimen by gripping by air pressure change again, novel structure, cost is low.
Accompanying drawing explanation
Fig. 1 is the utility model left-hand axis geodesic structure schematic diagram;
Fig. 2 is the utility model right-hand axis geodesic structure schematic diagram;
Schematic diagram when Fig. 3 is the utility model gripping test specimen.
Number in the figure illustrates: 1, oblique side stand, 2, transverse slat, 3, two bar promotes cylinder, 4, internal fixtion ring, 5, suction joint, 6, connecting axle, 7, extenal fixation ring, 8, absorption chuck, 9, end face nut, 10, connect runners, 11, test specimen.
Detailed description of the invention
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
With reference to shown in Fig. 1, a kind of shaft-like part negative pressure gripping body, this mechanism comprises two oblique side stands 1, in the present embodiment, also be provided with bottom oblique side stand 1 and connect runners 10, connecting seat 10 is provided with bolt hole, for with other mechanisms or ground affixed, described oblique side stand 1 top is connected with a transverse slat 2, described transverse slat 2 is connected with two bar and promotes cylinder 3, the push rod front end of described pair of bar promotion cylinder 3 is connected with internal fixtion ring 4, the anchor ring of described internal fixtion ring 4 is circumferentially alternately provided with multiple suction joint 5 and connecting axle 6, described connecting axle 6 one end is connected with extenal fixation ring 7, the anchor ring of described extenal fixation ring 7 is circumferentially provided with multiple absorption chuck 8, described absorption chuck 8 tail end is communicated with suction joint 5, described suction joint 5 is communicated with corresponding negative pressure sucking pump, for continuing to form negative pressure in absorption chuck 8.
The hole that described suction joint 5 is corresponding with on internal fixtion ring 4 coordinates, and is fixed on by end face nut 9 on the anchor ring of internal fixtion ring 4.
Described connecting axle 6 one end cutting thread is also connected and fixed by screw thread and extenal fixation ring 7, other end tapping female bore is also fixed on internal fixtion ring 4 by the screw on internal fixtion ring 4 anchor ring, in the present embodiment, connecting axle 6 is provided with four altogether, and circular array connects internal fixtion ring 4 and extenal fixation ring 7.
Described absorption chuck 8 is beam barrel shape, and its outer wall and extenal fixation ring 7 are fixed on extenal fixation ring 7 by the shaft hole matching of interference, and in the present embodiment, absorption chuck 8 is provided with four altogether, and circular array is distributed on the anchor ring of internal fixtion ring 4.
Spun by screw thread between described suction joint 5 and absorption chuck 8.
The utility model course of action and principle:
The utility model mechanism can be fixed in travel mechanism by connecting runners 10, mechanism is moved to assigned address by travel mechanism, two bar promotes cylinder 3 action drives internal fixtion ring 4 and extenal fixation ring 7 moves to appointment station, negative pressure sucking pump is extracted with corresponding tracheae by suction joint 5 and adsorbs chuck 8 inner air, absorption chuck 8 internal pressure is made to be less than atmospheric pressure, the test specimen 11 of absorption chuck 8 front end will fully be fixed, two bar promotes cylinder 3 and returns, mechanism is moved back into origin-location by travel mechanism, carries out corresponding operation.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a shaft-like part negative pressure gripping body, it is characterized in that, this mechanism comprises two oblique side stands (1), described oblique side stand (1) top is connected with a transverse slat (2), described transverse slat (2) is connected with two bar and promotes cylinder (3), the push rod front end of described pair of bar promotion cylinder (3) is connected with internal fixtion ring (4), the anchor ring of described internal fixtion ring (4) is circumferentially alternately provided with multiple suction joint (5) and connecting axle (6), described connecting axle (6) one end is connected with extenal fixation ring (7), the anchor ring of described extenal fixation ring (7) is circumferentially provided with multiple absorption chuck (8), described absorption chuck (8) tail end is communicated with suction joint (5), described suction joint (5) is communicated with corresponding negative pressure sucking pump, negative pressure is formed for continuing in absorption chuck (8).
2. shaft-like part negative pressure gripping body according to claim 1, is characterized in that, described suction joint (5) coordinates with the upper corresponding hole of internal fixtion ring (4), and is fixed on the anchor ring of internal fixtion ring (4) by end face nut (9).
3. shaft-like part negative pressure gripping body according to claim 1, it is characterized in that, described connecting axle (6) one end cutting thread is also connected and fixed by screw thread and extenal fixation ring (7), and other end tapping female bore is also fixed on internal fixtion ring (4) by the screw on internal fixtion ring (4) anchor ring.
4. shaft-like part negative pressure gripping body according to claim 1, is characterized in that, described absorption chuck (8) is beam barrel shape, and its outer wall and extenal fixation ring (7) are fixed on extenal fixation ring (7) by the shaft hole matching of interference.
5. shaft-like part negative pressure gripping body according to claim 1 and 2, is characterized in that, is spun between described suction joint (5) and absorption chuck (8) by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520570120.5U CN204819551U (en) | 2015-07-31 | 2015-07-31 | Mechanism is got to axle form part negative pressure clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520570120.5U CN204819551U (en) | 2015-07-31 | 2015-07-31 | Mechanism is got to axle form part negative pressure clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204819551U true CN204819551U (en) | 2015-12-02 |
Family
ID=54677192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520570120.5U Withdrawn - After Issue CN204819551U (en) | 2015-07-31 | 2015-07-31 | Mechanism is got to axle form part negative pressure clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204819551U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999468A (en) * | 2015-07-31 | 2015-10-28 | 苏州卫生职业技术学院 | Shaft part negative-pressure clamping mechanism |
-
2015
- 2015-07-31 CN CN201520570120.5U patent/CN204819551U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999468A (en) * | 2015-07-31 | 2015-10-28 | 苏州卫生职业技术学院 | Shaft part negative-pressure clamping mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151202 Effective date of abandoning: 20170510 |