CN203019065U - Pneumatic pressure preservation clamp - Google Patents
Pneumatic pressure preservation clamp Download PDFInfo
- Publication number
- CN203019065U CN203019065U CN 201220729222 CN201220729222U CN203019065U CN 203019065 U CN203019065 U CN 203019065U CN 201220729222 CN201220729222 CN 201220729222 CN 201220729222 U CN201220729222 U CN 201220729222U CN 203019065 U CN203019065 U CN 203019065U
- Authority
- CN
- China
- Prior art keywords
- chuck
- clamp base
- clamping
- air inlet
- pneumatic
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a pneumatic pressure preservation clamp which comprises a clamp base, and is characterized in that a closed cavity is formed inside the clamp base; an elastic cover plate is arranged on the top of the closed cavity; a chuck is arranged on the elastic cover plate; an air inlet is formed in the clamp base and is communicated with the closed cavity; the air inlet of the clamp base is connected with a manual air valve through an air pipe; an inner cavity is formed inside the chuck and penetrates through the upper surface and the lower surface of the chuck; the side wall or the outer surface of the inner cavity can be used as a clamping surface for clamping a thin-wall part; a plurality of trenches distributed along the radial direction of the chuck are formed in the inner side wall of the inner cavity; and the chuck is divided into a plurality of petals through the trenches. The pneumatic pressure preservation clamp has the advantages that the circumferential and axial repeated positioning precision is high and can be up to 0.005 mm; by an equipartition cutting chuck mode, the maximum clamping surface is guaranteed; the clamping force is uniform; the deformation of a workpiece is extremely small and can be uniformly controlled; the workpiece is well placed; after dynamic supply is eliminated, automatic clamping can be realized; and limitation of a dynamic supply pipeline to running of a machine tool is avoided.
Description
Technical field
The utility model relates to a kind of fixture, especially a kind of pneumatic pressurize fixture.
Background technology
The fixture of traditional clamping thin-walled rotary part, the axially-movable that is generally three-jaw or four paws by pull bar is converted to circumferential movement and controls clamping, because the point of application in a circumferential direction is less and concentrated, therefore cause the zone appearance distortion of thin-walled parts around the point of application, machine rear part resilience, size does not reach set requirement.Inhomogeneous due to the friction of motion between clamp mechanism and chuck and workpiece and friction pair gap, make repetitive positioning accuracy not high in addition.The common feature of this class clamping mode is to provide compressed air or the hydraulic oil of clamping force and must supplies always, can't use on the equipment of workbench Large Amplitude Motion.Because clamping point is less, this type of fixture is the necessary larger surface of the work scope of clamping also, to satisfy the requirement of clamping force.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of pneumatic pressurize fixture is provided, this fixture can reduce the clamping distortion, improve the clamping repetitive positioning accuracy, can't provide the part of larger clamping range to fix reliably to being subjected to the shape restriction, can provide to continue to clamp power.
According to the technical scheme that the utility model provides, described pneumatic pressurize fixture comprises clamp base, and it is characterized in that: the inside of described clamp base is provided with enclosed cavity, and the top of enclosed cavity is provided with elastic cover plate, and elastic cover plate is provided with chuck; Described clamp base is provided with air inlet, and air inlet and enclosed cavity are connected, and the air inlet of clamp base is connected with Manual gas valve by tracheae.
The inside of described chuck is provided with inner chamber, and this inner chamber connects the upper and lower surface of chuck 3, and the madial wall of inner chamber or outer surface are the clamping face of clamping thin-walled parts, multiple tracks are set along the radially-arranged groove of chuck on madial wall, and groove is separated into the multi-disc flap with chuck.
The bottom of described groove arranges diameter greater than the circular trough of groove width, has certain distance between the bottom of groove and the lower surface of chuck, is provided with bolt hole between every lobe.
Be provided with for the source of the gas quick connector of Manual gas valve air inlet on described Manual gas valve and be used for the exhaust outlet of exhaust.
Described Manual gas valve is arranged on the sidepiece of clamp base.
The utlity model has following advantage: circumference and axial repetitive positioning accuracy can reach 0.005mm; Divide equally the chuck form of cutting, guaranteed the maximization of clamping area, chucking power is even, and the workpiece deformation amount is very little and evenly controlled; Put workpiece well, remove Automatic-clamping after power supply, removed the restriction of power supply pipeline to machine tool motion; The clamping length minimum can arrive 0.2 millimeter.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the cutaway view of chuck described in the utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with concrete accompanying drawing.
As Fig. 1 ~ shown in Figure 3: as described in pneumatic pressurize fixture comprise clamp base 1, enclosed cavity 2, chuck 3, groove 3-1, circular trough 3-2, elastic cover plate 4, Manual gas valve 5, tracheae 6, source of the gas quick connector 7, exhaust outlet 8, air inlet 9 etc.
As shown in Figure 1 and Figure 2, the utility model comprises clamp base 1, the inside of clamp base 1 is provided with enclosed cavity 2, the top of enclosed cavity 2 is provided with elastic cover plate 4, elastic cover plate 4 is provided with chuck 3, as shown in Figure 3, the inside of described chuck 3 is provided with inner chamber, this inner chamber connects the upper and lower surface of chuck 3, the madial wall of inner chamber or outer surface all can be used as the clamping face of clamping thin-walled parts, multiple tracks is set along the radially-arranged groove 3-1 of chuck 3 on the sidewall of inner chamber, groove 3-1 is separated into the multi-disc flap with chuck 3, is provided with bolt hole between every lobe; The bottom of described groove 3-1 arranges diameter greater than the circular trough 3-2 of groove 3-1 width; Described clamp base 1 is provided with air inlet 9, and air inlet 9 and enclosed cavity 2 are connected, and the air inlet 9 of clamp base 1 is connected with Manual gas valve 5 by tracheae 6; Be provided with for the source of the gas quick connector 7 of Manual gas valve 5 air inlets on described Manual gas valve 5 and be used for the exhaust outlet 8 of exhaust;
As shown in Figure 1 and Figure 2, described Manual gas valve 5 is arranged on the sidepiece of clamp base 1.
operation principle of the present utility model and the course of work: external air source is by source of the gas quick connector 7 access Manual gas valves 5, the switch of rotation manual air valve 5, compressed air enters enclosed cavity 2 by tracheae 6 via the air inlet 9 on clamp base, the elastic cover plate 4 at enclosed cavity 2 tops produces elastic deformation and bulges under the effect of air pressure, the chuck 3 that is fixed in the above is opened to surrounding, after putting into workpiece, turn back the switch of Manual gas valve 5, enclosed cavity 2 is connected by exhaust outlet 8 and surrounding air, after pressure release, elastic cover plate 4 relies on the original form of self elastic recovery, drive the interior receipts of chuck 3, clamping work pieces, then the outside supply air line that is connected on source of the gas quick connector 7 is removed.
Claims (5)
1. a pneumatic pressurize fixture, comprise clamp base (1), it is characterized in that: the inside of described clamp base (1) is provided with enclosed cavity (2), and the top of enclosed cavity (2) is provided with elastic cover plate (4), and elastic cover plate (4) is provided with chuck (3); Described clamp base (1) is provided with air inlet (9), and air inlet (9) and enclosed cavity (2) are connected, and the air inlet (9) of clamp base (1) is connected with Manual gas valve (5) by tracheae (6).
2. pneumatic pressurize fixture as claimed in claim 1, it is characterized in that: the inside of described chuck (3) is provided with inner chamber, this inner chamber connects the upper and lower surface of chuck (3), the sidewall of inner chamber or outer surface are the clamping face of clamping thin-walled parts, multiple tracks is set along the radially-arranged groove of chuck (3) (3-1) on the madial wall of inner chamber, groove (3-1) is separated into the multi-disc flap with chuck (3).
3. pneumatic pressurize fixture as claimed in claim 2, it is characterized in that: diameter is set greater than the circular trough (3-2) of groove (3-1) width in the bottom of described groove (3-1), has certain distance between the lower surface of the bottom of described groove (3-1) and chuck (3).
4. pneumatic pressurize fixture as claimed in claim 1 is characterized in that: be provided with for the source of the gas quick connector (7) of Manual gas valve (5) air inlet on described Manual gas valve (5) and be used for the exhaust outlet (8) of exhaust.
5. pneumatic pressurize fixture as claimed in claim 1, it is characterized in that: described Manual gas valve (5) is arranged on the sidepiece of clamp base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220729222 CN203019065U (en) | 2012-12-26 | 2012-12-26 | Pneumatic pressure preservation clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220729222 CN203019065U (en) | 2012-12-26 | 2012-12-26 | Pneumatic pressure preservation clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203019065U true CN203019065U (en) | 2013-06-26 |
Family
ID=48643079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220729222 Expired - Lifetime CN203019065U (en) | 2012-12-26 | 2012-12-26 | Pneumatic pressure preservation clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203019065U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308780A (en) * | 2014-10-29 | 2015-01-28 | 哈尔滨工业大学 | Force closure multipoint following based long-axis regulator precision clamping method and device |
-
2012
- 2012-12-26 CN CN 201220729222 patent/CN203019065U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308780A (en) * | 2014-10-29 | 2015-01-28 | 哈尔滨工业大学 | Force closure multipoint following based long-axis regulator precision clamping method and device |
| CN104308780B (en) * | 2014-10-29 | 2015-10-28 | 哈尔滨工业大学 | Based on the accurate clamping method of the major axis standard that force-closed multiple spot is servo-actuated and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: WUXI BEST PRECISE MACHINE CO., LTD. Free format text: FORMER NAME: WUXI BEISITE PRECISION MACHINERY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 214028 801-2702, Binhu District, Binhu District, Jiangsu, Wuxi Patentee after: WUXI BEST PRECISION MACHINERY Co.,Ltd. Address before: 214161 lakes in Jiangsu province Wuxi City foreshore Hu Dai Industrial Park extension Xinke Road No. 18 two Patentee before: Wuxi Best Precision Machinery Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130626 |
|
| CX01 | Expiry of patent term |