CN203412996U - Pneumatic clamp - Google Patents
Pneumatic clamp Download PDFInfo
- Publication number
- CN203412996U CN203412996U CN201320464247.XU CN201320464247U CN203412996U CN 203412996 U CN203412996 U CN 203412996U CN 201320464247 U CN201320464247 U CN 201320464247U CN 203412996 U CN203412996 U CN 203412996U
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- Prior art keywords
- spring bellows
- processed
- shell
- suction port
- inner chamber
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Abstract
The utility model discloses a pneumatic clamp and relates to a clamp for motor braking. The pneumatic clamp is characterized by consisting of two shells and two spring bellows, wherein the two shells are in the same size and are symmetrical to each other; the spring bellows are in the same size, are symmetrical to each other, are closed to be arranged in the two shells and are fastened through screws; an inner cavity is formed between the two spring bellows; an outer cavity is formed between the shells and the spring bellows; one outer side surface of each shell is processed into a reference surface. The pneumatic clamp has the characteristics of novel structure, simplicity in processing, small size, convenience in installation and use, low processing difficulty, high processing accuracy, long service life, convenience in maintenance and replacement and the like, and belongs to a novel pneumatic clamp integrating economy and practicality.
Description
Technical field
Pneumatic clamp described in the utility model, relates to a kind of motor braking clamp.
Background technique
Current traditional oil pressure clamps turning axle mode, forms an airtight annular oil cavity between gripping sleeve and parts shell, and when passing into high-voltage oil liquid, fluid forces gripping sleeve distortion, and gripping sleeve distortion place extruding turning axle, realizes braking action by frictional force.There is following deficiency in this clamping mode:
1, because braking force is mainly to be provided by high-voltage oil liquid, so, in whole set equipment, need additional a set of hydraulic feed system.This can increase overall dimensions and the cost of equipment.
2,, owing to adopting high-voltage oil liquid to force gripping sleeve distortion, make it push turning axle generation frictional force and reach braking object.For arriving the deformation effect of expection, except will select to have elastomeric material in material, its radial dimension (wall thickness) also requires strict control.From technological angle, say, guarantee that this revolution class thin-wall part guarantees strict size and form and position tolerance in course of working, difficulty of processing is very large.
3, owing to affected by wall thickness, the distortion of gripping sleeve when being subject to oil pressure is limited, and this also just forces the gap between gripping sleeve and turning axle to require strict control, generally at 0.02～0.05mm.For guaranteeing that turning axle can rotate smoothly under clamp position not, this just requires rotary axis system in course of working, to guarantee the control of strict size and form and position tolerance; Meanwhile, the equipment part that forms airtight oil pocket with gripping sleeve also needs fine finishing, with size and the surface roughness that guarantees that it is strict, has so just improved difficulty of processing and the processing cost of equipment part.
4,, in order to simplify structure and the size of use equipment, when design, tend to the installation position selection of gripping sleeve at drive part.The heat producing while so doing the impact bringing and be exactly drive motor work directly affects gripping sleeve and turning axle, cause its thermal distortion, gap between the two diminishes, even under nature, both fit, in turning axle rotary course, cause too much friction, reduced the life-span of gripping sleeve and the equipment of use.
5, between gripping sleeve and rotary axis system, be by extruding, to produce frictional force to reach braking object, this just makes to exist between gripping sleeve and rotary axis system mutual friction.Have the friction will be lossy, in order to play extension device working life, two parts of phase mutual friction can consist of soft hard two kinds of materials, by changing the part that is worn of softwood matter, carry out extension device working life.Relative rotary axis system, gripping sleeve is often selected to be manufactured by the softer material of quality.But when changing gripping sleeve, still need equipment to tear open greatly, maintain and replace is very bothersome.
For existing problem in above-mentioned prior art, a kind of novel pneumatic clamp of research and design, is very necessary thereby overcome existing problem in prior art.
Summary of the invention
In view of existing problem in above-mentioned prior art, the purpose of this utility model is a kind of novel pneumatic clamp of research and design.In order to solve, in prior art, exist: 1, existing fluid braking clamp, accessory is many, increased overall dimensions and the cost of equipment; 2, the mounting point of existing fluid braking clamp is near motor, is subject to that the motor feels hot affects, and produces temperature distortion, reduced working life; 3, existing fluid brake structure requirement use equipment possesses highi degree of accuracy, equipment part difficulty of processing is large, processing cost is high; 4, the maintenance trouble of existing fluid braking clamp, if there is the leakage of oil phenomenon of leakage, the fluid of leakage is attached on gripping sleeve, can reduce the frictional force between gripping sleeve and turning axle, and then impact is used; And the fluid of revealing is while flowing through such as drive motor, can cause electrical fault, even affects the use safety of equipment.
Technical solution of the present utility model is achieved in that
Pneumatic clamp described in the utility model, it is characterized in that being comprised of two measure-alike and symmetrical shells and two measure-alike and symmetrical spring bellows; Two spring bellows are involutory and are loaded in two shells, pass through screw fastening; Between two spring bellows, form an inner chamber, between shell and spring bellows, form exocoel; At an outer side surface of shell, do reference level processing.
Shell described in the utility model is made of metal; Side is processed with spring bellows mounting groove within it, in the bottom surface of spring bellows mounting groove, is processed with multiple tracks air drain; Edge in the inner side of shell near internal diameter is processed with annular grooving, makes internal diameter of outer cover place form an extruding lock sheet; At the external diameter of two shells, be processed with screw installation counter sink and the tapped hole of a plurality of correspondences; On shell, be processed with inner chamber suction port and exocoel suction port, in the position of the inner side of shell inner chamber suction port, be processed with seal groove, in the position of exocoel suction port, be processed with the exocoel gas guide groove communicating with spring bellows mounting groove.
Spring bellows employing rubber described in the utility model and metallic spring are one-body molded; On spring bellows, be processed with the inner chamber suction port link corresponding with inner chamber suction port position; On inner chamber suction port link, be processed with through hole and inner chamber gas guide groove; Edge at spring bellows and inner chamber suction port link is processed with sealing strip.
The inner diameter D 1 of the inner diameter d 1 < spring bellows mounting groove of spring bellows described in the utility model, the D outer diameter 2 of the outside diameter d 2 > spring bellows mounting grooves of spring bellows, while making spring bellows be installed in spring bellows mounting groove, keep the swelling state under a kind of nature, allow the sealing strip of spring bellows and the inner edge of shell fit tightly, keep good sealing.
Two shells described in the utility model are connected by screw fastening, at the surface of contact of two shells, smear sealer, smear to insert screw hole after sealer again and screw tight on screw.
Working procedure of the present utility model:
First by lathe grinding shell reference level and inner ring on the utility model to design size and tolerance, so far, the assembling of pneumatic clamp machines.The utlity model has initiatively clamp and two kinds of mode of operations of passive clamp:
1, active clamp pattern:
According to equipment size, select the pneumatic clamp of respective model, and be arranged on reserved location place on equipment.Mounting screw is screwed in one by one according to diagonal manner, not pretension.Connect operating air pressure (6～8bar), make its work, clamp turning axle, by the homogeneous deformation of clamp inner ring, locking turning axle, plays the effect of automatic centering.Each mounting screw of moment of torsion pretension according to the rules, the operating air pressure that breaks, the installation process of clamp on equipment finishes.When work, when working gas passes into exocoel, under gas pressure, the spring steel plate generation deformation in spring bellows, the internal diameter of spring bellows dwindles; The inner ring (extruding lock sheet) of the spring tab inside diameter limit extruding shell after distortion, forces its distortion; Shell inner edge after distortion is fastened on turning axle, produces frictional force, plays braking action.
2, passive clamp pattern:
Passive type clamp, under nature, is in locking state, and internal diameter is slightly less than turning axle, need ventilate to inner chamber, makes its release, dies and clamps.To exocoel ventilation, there is the effect that increases braking moment.
The utility model has the advantages that apparently, be mainly manifested in:
1, braking of the present utility model source does not need independent supply, because be pneumatic, 6～8bar air pressure source of the gas that general industry operation field is used can meet;
2, the utility model installation is simple, quick, has simplified simultaneously and need to use clamping device turning axle to be taked to the structure of the equipment of braking action; Because be the mentality of designing that adopts standalone module, only need on the output shaft end of turning axle, reserve mounting point, make like this clamping device away from driving part, be influenced by heat little, be difficult for thermal distortion, avoid the phase mutual friction of clamping device and swirl gear under nature, increased service life of equipment;
3, because the clamping range of clamp is little, in axle system, without fine finishing part on a large scale, only need to guarantee size and the tolerance of retained part, or install additional and clamp flange and realize clamping action, having reduced axle is difficulty of processing and cost;
4, the utility model is realized locking with gas, while making last time rotating shaft rotation to precalculated position the blocked reaction time shorter, also guaranteed enough braking torques simultaneously;
5, the utility model is realized locking with gas, makes Whole Equipment clean.
The utlity model has novel structure, process easy, volume is little, easy to install, reduced difficulty of processing and precision, long service life, be convenient to the advantages such as maintain and replace, it puts goods on the market in enormous quantities and will produce positive social benefit and significant economic benefit.
Accompanying drawing explanation
The utility model has 8 width accompanying drawings, wherein:
Accompanying drawing 1 the utility model structural representation;
The A-A view that accompanying drawing 2 is Fig. 1;
The B-B view that accompanying drawing 3 is Fig. 1;
The inside structure schematic diagram that accompanying drawing 4 is shell;
The C-C view that accompanying drawing 5 is Fig. 4;
Accompanying drawing 6 is the inside structure schematic diagram of spring bellows;
Accompanying drawing 7 is the interior outboard structure schematic diagram of spring bellows;
The D-D view that accompanying drawing 8 is Fig. 6.
In the drawings: 1, shell 2, spring bellows 3, inner chamber 4, exocoel 5, spring bellows mounting groove 6, air drain 7, annular grooving 8, extruding lock sheet 9, inner chamber suction port 10, exocoel suction port 11, seal groove 12, exocoel gas guide groove 13, inner chamber suction port link 14, through hole 15, inner chamber gas guide groove 16, sealing strip d1, spring bellows inner diameter d 2, spring bellows D outer diameter 1, spring bellows mounting groove inner diameter D 2, spring bellows mounting groove external diameter.
Embodiment
As shown in drawings, its structure is comprised of two measure-alike and symmetrical shells 1 and two measure-alike and symmetrical spring bellows 2 specific embodiment of the utility model; Two spring bellows 2 relatively merge and are loaded in two shells 1, pass through screw fastening; Between two spring bellows 2, form an inner chamber 3, between shell 1 and spring bellows 2, form exocoel 4; At an outer side surface of shell 1, do reference level processing.
Shell 1 has metal to make; Side is processed with spring bellows mounting groove 5 within it, in the bottom surface of spring bellows mounting groove 5, is processed with multiple tracks air drain 6; Edge in the inner side of shell 1 near internal diameter is processed with annular grooving 7, makes shell 1 inner radius form an extruding lock sheet 8; At the external diameter of two shells 1, be processed with screw installation counter sink and the tapped hole of a plurality of correspondences; On shell 1, be processed with inner chamber suction port 9 and exocoel suction port 10, in the position of the inner side of shell 1 inner chamber suction port 9, be processed with seal groove 11, in the position of exocoel suction port 10, be processed with the exocoel gas guide groove 12 communicating with spring bellows mounting groove 5.
The inner diameter D 1 of the inner diameter d 1 < spring bellows mounting groove 5 of spring bellows 2, the D outer diameter 2 of the outside diameter d 2 > spring bellows mounting grooves 5 of spring bellows 2, while making spring bellows 2 be installed in spring bellows mounting groove 5, keep the swelling state under a kind of nature, allow the sealing strip 16 of spring bellows 2 fit tightly with the inner edge of shell 1, keep good sealing.
It is fastening that two shells 1 are connected by screw, and at the surface of contact of two shells 1, smears sealer, smears to insert screw hole after sealer again and screw tight on screw.
The above; it is only preferably embodiment of the present utility model; but protection domain of the present utility model is not limited to this; allly be familiar with those skilled in the art in the disclosed technical scope of the utility model, within being equal to and replacing or change and all should be encompassed in protection domain of the present utility model according to the technical solution of the utility model and design of the present utility model thereof.
Claims (5)
1. a pneumatic clamp, it is characterized in that being comprised of two measure-alike and symmetrical shells (1) and two measure-alike and symmetrical spring bellows (2); The relative merging of two spring bellows (2) is loaded in two shells (1) passes through screw fastening; Between two spring bellows (2), form an inner chamber (3), between shell (1) and spring bellows (2), form exocoel (4); At an outer side surface of shell (1), do reference level processing.
2. pneumatic clamp according to claim 1, is characterized in that described shell (1) is made of metal; Side is processed with spring bellows mounting groove (5) within it, in the bottom surface of spring bellows mounting groove (5), is processed with multiple tracks air drain (6); Edge in the inner side of shell (1) near internal diameter is processed with annular grooving (7), makes shell (1) inner radius form an extruding lock sheet (8); At the external diameter of two shells (1), be processed with screw installation counter sink and the tapped hole of a plurality of correspondences; On shell (1), be processed with inner chamber suction port (9) and exocoel suction port (10), in the position of shell (1) inner chamber suction port (9), be processed with seal groove (11), in the position of exocoel suction port (10), be processed with the exocoel gas guide groove (12) communicating with spring bellows mounting groove (5).
3. pneumatic clamp according to claim 1, is characterized in that described spring bellows (2) employing rubber and metallic spring are one-body molded; On spring bellows (2), be processed with the inner chamber suction port link (13) corresponding with inner chamber suction port (9) position; On inner chamber suction port link (13), be processed with through hole (14) and inner chamber gas guide groove (15); Edge at spring bellows (2) and inner chamber suction port link (13) is processed with sealing strip (16).
4. pneumatic clamp according to claim 1, the inner diameter D 1 that it is characterized in that the inner diameter d 1 < spring bellows mounting groove (5) of described spring bellows (2), the D outer diameter 2 of the outside diameter d 2 > spring bellows mounting grooves (5) of spring bellows (2), while making spring bellows (2) be installed in spring bellows mounting groove (5), keep the swelling state under a kind of nature, allow the sealing strip (16) of spring bellows (2) and the inner edge of shell (1) fit tightly, keep good sealing.
5. pneumatic clamp according to claim 1, is characterized in that described two shells (1) are connected by screw fastening, at the surface of contact of two shells (1), smears sealer, smears to insert screw hole after sealer again and screw tight on screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320464247.XU CN203412996U (en) | 2013-03-13 | 2013-07-31 | Pneumatic clamp |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320114766 | 2013-03-13 | ||
| CN201320114766.3 | 2013-03-13 | ||
| CN201320464247.XU CN203412996U (en) | 2013-03-13 | 2013-07-31 | Pneumatic clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203412996U true CN203412996U (en) | 2014-01-29 |
Family
ID=49975885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320464247.XU Expired - Lifetime CN203412996U (en) | 2013-03-13 | 2013-07-31 | Pneumatic clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203412996U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410884A (en) * | 2013-03-13 | 2013-11-27 | 大连光洋科技工程有限公司 | Pneumatic forceps holder |
| CN107127360A (en) * | 2017-05-04 | 2017-09-05 | 广州市霏鸿机电科技有限公司 | A kind of pneumatic type lathe rotating shaft brake gear |
| CN110328703A (en) * | 2019-06-11 | 2019-10-15 | 浙江晶盛机电股份有限公司 | A kind of support device and method for supporting of band saw shear cutting thin slice |
-
2013
- 2013-07-31 CN CN201320464247.XU patent/CN203412996U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410884A (en) * | 2013-03-13 | 2013-11-27 | 大连光洋科技工程有限公司 | Pneumatic forceps holder |
| CN107127360A (en) * | 2017-05-04 | 2017-09-05 | 广州市霏鸿机电科技有限公司 | A kind of pneumatic type lathe rotating shaft brake gear |
| CN110328703A (en) * | 2019-06-11 | 2019-10-15 | 浙江晶盛机电股份有限公司 | A kind of support device and method for supporting of band saw shear cutting thin slice |
| CN110328703B (en) * | 2019-06-11 | 2021-11-09 | 浙江晶盛机电股份有限公司 | Supporting device and supporting method for cutting thin sheet of band saw cutting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DALIAN KEDE CNC CO., LTD. Free format text: FORMER OWNER: DALIAN GUANGYANG TECHNOLOGY GROUP CO., LTD. Effective date: 20150730 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: DALIAN GUANGYANG TECHNOLOGY GROUP CO., LTD. Free format text: FORMER NAME: DALIAN GUANGYANG SCI. + TECH. ENGINEERING CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 116600 No. 27, Harbin Road, Jinzhou New District, Liaoning, Dalian Patentee after: DALIAN GUANGYANG SCIENCE & TECHNOLOGY GROUP Co.,Ltd. Address before: 116600 No. 27, Harbin Road, Jinzhou New District, Liaoning, Dalian Patentee before: Dalian Guangyang Science & Technology Engineering Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150730 Address after: 116600 No. 8, the Yellow Sea street, Dalian economic and Technological Development Zone, Liaoning Patentee after: DALIAN KEDE NUMERICAL CONTROL Co.,Ltd. Address before: 116600 No. 27, Harbin Road, Jinzhou New District, Liaoning, Dalian Patentee before: DALIAN GUANGYANG SCIENCE & TECHNOLOGY GROUP Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 116600 No. 8, the Yellow Sea street, Dalian economic and Technological Development Zone, Liaoning Patentee after: KEDE NUMERICAL CONTROL Co.,Ltd. Address before: 116600 No. 8, the Yellow Sea street, Dalian economic and Technological Development Zone, Liaoning Patentee before: DALIAN KEDE NUMERICAL CONTROL Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |
|
| CX01 | Expiry of patent term |