CN201505864U - Mechanical part clamping device - Google Patents
Mechanical part clamping device Download PDFInfo
- Publication number
- CN201505864U CN201505864U CN2009201877509U CN200920187750U CN201505864U CN 201505864 U CN201505864 U CN 201505864U CN 2009201877509 U CN2009201877509 U CN 2009201877509U CN 200920187750 U CN200920187750 U CN 200920187750U CN 201505864 U CN201505864 U CN 201505864U
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- CN
- China
- Prior art keywords
- clamp body
- depression bar
- sleeve
- wedge shape
- mechanical type
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- 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 - Fee Related
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Abstract
The utility model discloses a mechanical part clamping device, which comprises a clamp body (1) and is characterized in that one end of the clamp body (1) is provided with a wedge-shaped clamping jaw (11); the outer side of the clamp body (1) is sleeved with a sleeve (2) matched with the wedge-shaped clamping jaw (11); the sleeve (2) is stressed to drive the wedge-shaped clamping jaw (11) of the clamp body (1) to contract clamped parts. The device increases the production efficiency and the percent of pass of the parts to a large degree, effectively solves the problem that small-edge thickness parts and extra-small diameter parts are not easy to clamp, and can be applied to clamping and fixing all circular optical elements.
Description
Technical field
The utility model belongs to and grips the part technical field in the optics cold working process, is specifically related to a kind of being used for to grip the mechanical type parts retainer that the operation of part is used at needs.
Background technology
Whether needs are heat-treated is divided into cold working and hot-working according to process in the processing of optical element.Optical element cold working process, comprise carry out to optical element roughly grind, finish grind, the processing of polishing, edging and other modes, need operating personnel to carry out Precision Machining in these manufacturing procedures by the mode of hand-guided part.For example to the Precision Machining of piece surface, hand polishes, even need realize by the manual part processing that grasps.
Grip to optical element or through semi-finished part, can conveniently carry out the operation of other operations.In the prior art, gripping normally by wax bonding or vacuum suction or the manual mode that grasps of part realizes that the application of these several modes all has certain limitation.
As the processing mode of Fig. 1 for the wax bonding, the upper end is bonding rod 6, after sticking one deck protection paster 7 on the adhesive surface of optical element in advance, optical element 5 is bonded on the bonding rod as binding agent 8 with the wax that melts.The mode of this bonding can be applied to all occasions, but the bonding set time that needs is long, and is simultaneously also relevant with technical level of operators, might cause the damage of the polished surface of part.
The another kind of part mode of gripping is to adopt the principle of vacuum suction to finish, this mode needs vacuum absorption device as shown in Figure 2, this device generally includes vaccum suction pipe 90, is provided with the suction nozzle 91 that control is communicated with between vaccum suction pipe and part, and the rubber ring 92 of described suction nozzle contacts with part 5; When gripping part, described device is near part, make by the vaccum suction pipe negative pressure extracting on the device, form negative-pressure vacuum chamber 93 in the suction nozzle, part is adsorbed on the rubber ring of suction nozzle, in suction nozzle, discharge air and get final product when loosening part, suck like this and loosen all more convenient because suction is directly proportional with lifting surface area, for the part of minor diameter, the suction deficiency can cause effectively retaining element, causes part to drop easily and goes to sticks and staves.
In addition, grasping mode by hand also is that common part grips means, yet this mode is subjected to the limitation of flexible scope in one's hands, also inapplicable to thick part in little limit and extra small diameter part.Because thick part in little limit and extra small diameter part are difficult to normally polish the amplitude of oscillation by modes such as craft grasp, influence crudy and efficient.And polished die should not contact with hand in the process, to avoid occurring the inconsistency of cut and surperficial face type.The present invention comes therefrom.
Summary of the invention
The utility model purpose is to provide a kind of mechanical type parts retainer, has solved common part method of clamping causes in the prior art thick part in little limit and the extra small diameter part defectives such as maybe needing to grip overlong time that comes off easily.
In order to solve these problems of the prior art, the technical scheme that the utility model provides is:
A kind of mechanical type parts retainer comprises clamp body, it is characterized in that described clamp body one end is provided with the wedge shape jaw, the sheathed sleeve that cooperates with the wedge shape jaw in the described clamp body outside, and the wedge shape jaw contraction clip of described sleeve driver under stress clamp body is held part.
Preferably, the described clamp body other end is provided with depression bar, and described depression bar is threaded fixing with clamp body; Sheathed drive sleeve spring in axial sliding on the described depression bar.
Preferably, described depression bar comprises the body of rod, and described body of rod two ends are provided with pole cap and coupling bar respectively, sheathed spring on the described body of rod, and described spring is connected with depression bar pole cap, sleeve respectively, and described coupling bar is threaded fixing with clamp body.
Preferably, described jacket casing is located on the clamp body and the depression bar body of rod, and described sleeve one end is connected with the depression bar pole cap by spring; The other end is provided with fillet surface and cooperates driving wedge shape jaw radial contraction clamping part with wedge shape jaw inclined-plane.
Preferably, described clamp body comprises the bare terminal end that is fixedly coupled end and clamping part with depression bar, and described link is provided with the link slot of internal thread, and described link slot and depression bar matching thread are connected and fixed; Described bare terminal end is provided with two wedge shape jaws, and the front end setting of described wedge shape jaw has the clamp groove of gradient.
Preferably, described depression bar is selected from metal struts; Described sleeve is selected from metal sleeve; Described clamp body is selected from the polyformaldehyde material clamp body, the Teflon material clip is concrete.
Preferably, the polishing of the described clamp body outside, and clamp body, depression bar body of rod sleeve matched in clearance.
Depression bar is fixing by being threaded with clamp body in apparatus of the present invention, depression bar and clamp body and sleeve lining matched in clearance.Between depression bar pole cap and sleeve spring is set, when spring is in compressive state, spring applies a power F to the depression bar pole cap, make the clamp body of fixing with depression bar along the displacement of F direction, at this moment the wedge shape jaw tapering on the clamp body partly is snapped into sleeve, and the wedge shape jaw shrinks, thus chucking clamping part cylinder, produce clamping force N, at this moment clamp body is in clamped condition.Certainly can regulate the size of clamping force N by the size of regulating spring deflection, realize clamping part comparatively reliably.Also can be by selecting the wedge shape jaw of different inner diameters for use, to adapt to the clamping process requirements of different parts.
When needs loosen part, press down-pressed pole by artificial or other modes, the reach of clamp body wedge shape jaw, its tapering partly leaves sleeve, the wedge shape jaw is owing to the elasticity of material own is recovered to unclamp part, and at this moment part can be easy to take off, and clamp body is in relaxation state.
Than solution of the prior art, the utility model advantage is:
1. the wedge shape jaw clamping part cylinder that optimal technical scheme middle sleeve of the present invention drives; do not contact with the part machined surface; mode by the mechanical grip cylinder clamps part; avoid instrument directly to contact polished surface, protected burnishing surface in fine finishining, not to be damaged effectively, improved the flowability of the operation of qualification rate and integral body; stablized crudy; can be widely used in the chamfering in the optics cold working process, check is polished, all kinds of operations that have clamping to need such as retouching on hand.
2. the clamping force of the present invention by providing by spring, tapering by the wedge shape jaw partly amplifies the normal pressure that forms the part cylinder, clamping and fixed the thick part in little limit and extra small diameter part effectively, avoided traditional mode of cohering to bond the set time, avoided time waste and reduction instrument to drop into expense than long defective.Each clamping need click depression bar with only unloading, and is swift and convenient to operate, when part has obtained reliable location, improved working (machining) efficiency.
3. the clamp groove of gradient is set at the wedge shape jaw front end of clamp body in apparatus of the present invention, the clamping and the axial limiting of thick part in little limit and extra small diameter part, prevent clamping device in use coming off of part go to sticks and staves.
To sum up, this device has the clamp body of wedge shape jaw by design, realizes the reliable clamping of part, has improved production efficiency and part qualification rate significantly; Solved the problem that is difficult for clamping of thick part in little limit and extra small diameter part in addition by design effectively, can be applied to gripping of all circular optical elements the wedge shape jaw of clamp body; By changing the design of clamp body, also can be applied to the clamping of other unconventional parts.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 carries out the schematic diagram that part grips for wax bonding in the prior art;
Fig. 2 carries out the schematic diagram that part grips for vacuum suction in the prior art;
Fig. 3 is the structural representation of embodiment of the invention mechanical type parts retainer;
Fig. 4 is the A place enlarged drawing of Fig. 3;
Fig. 5 is an embodiment of the invention mechanical type parts retainer locking state schematic diagram;
Fig. 6 is an embodiment of the invention mechanical type parts retainer relaxation state schematic diagram;
Fig. 7 is an embodiment of the invention mechanical type parts retainer sleeve stressing conditions schematic diagram;
Fig. 8 is the force diagram of the concrete wedge shape jaw of embodiment of the invention mechanical type parts retainer collet head.
Wherein: 1 is clamp body, and 2 is sleeve, and 3 is depression bar, and 4 is spring; 5 is part, and 6 are the bonding rod; 7 is paster; 8 is binding agent;
11 wedge shape jaws; 12 links; 13 bare terminal ends; 14 link slots; 15 is clamp groove; 31 bodies of rod; 32 pole caps; 33 coupling bars; 51 is the fillet surface of part; 90 is vaccum suction pipe; 91 is suction nozzle; 92 is rubber ring; 93 is vacuum chamber.
The specific embodiment
Below in conjunction with specific embodiment such scheme is described further.Should be understood that these embodiment are used to the present invention is described and are not limited to limit the scope of the invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in the normal experiment.
Embodiment is shown in Fig. 3～7, and this mechanical type parts retainer comprises clamp body 1, and described clamp body 1 one ends are provided with wedge shape jaw 11, and described clamp body 1 other end is provided with depression bar 3, and described depression bar is threaded fixing with clamp body; The sheathed sleeve 2 that cooperates with wedge shape jaw 11 in the described clamp body 1 and depression bar 3 outsides, described sleeve 2 front ends are provided with drive sleeve spring 4 in axial sliding, and the wedge shape jaw 11 of described sleeve 2 driver under stress clamp bodies 1 shrinks the clamping part.
Depression bar 3 comprises the body of rod 31, and the described body of rod 31 two ends are provided with pole cap 32 and coupling bar 33 respectively, sheathed spring 4 on the described body of rod, and described spring 4 is connected with depression bar pole cap 31, sleeve respectively, and described coupling bar 33 is threaded fixing with clamp body.Described sleeve 2 is set on the clamp body 1 and the depression bar body of rod 31, and described sleeve 2 one ends are connected with the depression bar pole cap by spring 4; The other end is provided with fillet surface and cooperates driving wedge shape jaw radial contraction clamping part with wedge shape jaw inclined-plane.
Clamp body comprises the bare terminal end 13 that is fixedly coupled end 12 and clamping part with depression bar, and described link is provided with the link slot 14 of internal thread, and described link slot and depression bar matching thread are connected and fixed; Described bare terminal end is provided with two wedge shape jaws 11, and the front end setting of described wedge shape jaw 11 has the clamp groove 15 of gradient.Depression bar and sleeve are metal material; Described clamp body is the polyformaldehyde material clamp body.The polishing of the described clamp body outside, and clamp body, depression bar body of rod sleeve matched in clearance.
When spring is in compressive state, spring applies a power F to the depression bar pole cap, make the clamp body of fixing with depression bar along the displacement of F direction, at this moment the wedge shape jaw tapering on the clamp body partly is snapped into sleeve, the wedge shape jaw shrinks, thereby chucking clamping part cylinder produces clamping force N, and at this moment clamp body is in clamped condition.Certainly can regulate the size of clamping force N by the size of regulating spring deflection, realize clamping part comparatively reliably.Also can be by selecting the wedge shape jaw of different inner diameters for use, to adapt to the clamping process requirements of different parts.
When needs loosen part, press down-pressed pole by artificial or other modes, the reach of clamp body wedge shape jaw, its tapering partly leaves sleeve, the wedge shape jaw is owing to the elasticity of material own is recovered to unclamp part, and at this moment part can be easy to take off, and clamp body is in relaxation state.
Wherein, clamp body clamping force N can control by the adjusting of spring, and as shown in the figure, spring is as follows to the active force of sleeve:
F
Bullet=K Δ
χ
If optical element weight is G, clamp body inside diameter surface friction factor is μ, and the stressing conditions analysis of clamp body under clamped condition is as scheming:
Wherein:
N
1=F
BulletSin α=K Δ
χSin α
f
Part=μ G
N
Part=F
Clamping force
Deformation point A analysis balance to clamp body has:
N
1L
1+ f
PartD/2=N
PartL
2
:
F
Clamping force=(K Δ
χSin α L
1+ μ G D/2)/L
2
So, can be by the deflection Δ of regulating spring
χAccurately control the size of F clamping force
In addition, surface quality of workpieces and broken limit also can be controlled in the present embodiment, as shown in Figure 8, the wedge shape jaw front end of clamp body is provided with the clamp groove of gradient, clamp groove by Φ D width has limited moving radially of part, and the width of the Φ D of clamp groove has limited moving axially of part simultaneously.And for the surface of protecting part and the generation of avoiding broken limit; need avoid part polished surface, sharp edge to contact with clamp body wedge shape jaw; by adopting the axial gradient of Φ D-0.6mm, clamp body is axially only being contacted with the fillet surface of part, thereby reach the purpose of duplicate protection.
When for demanding occasion, clamp body uses the Teflon material also to do surface finish and handles.
Above-mentioned example only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All spirit essence is done according to the present invention equivalent transformation or modification all should be encompassed within protection scope of the present invention.
Claims (7)
1. mechanical type parts retainer, comprise clamp body (1), it is characterized in that described clamp body (1) one end is provided with wedge shape jaw (11), the sheathed sleeve (2) that cooperates with wedge shape jaw (11) in described clamp body (1) outside, the wedge shape jaw (11) of described sleeve (2) driver under stress clamp body (1) shrinks the clamping part.
2. mechanical type parts retainer according to claim 1 is characterized in that described clamp body (1) other end is provided with depression bar (3), and described depression bar is threaded fixing with clamp body; Described depression bar (3) is gone up sheathed drive sleeve (2) spring (4) in axial sliding.
3. mechanical type parts retainer according to claim 2, it is characterized in that described depression bar (3) comprises the body of rod (31), the described body of rod (31) two ends are provided with pole cap (32) and coupling bar (33) respectively, sheathed spring (4) on the described body of rod, described spring (4) is connected with depression bar pole cap (31), sleeve respectively, and described coupling bar (33) is threaded fixing with clamp body.
4. mechanical type parts retainer according to claim 3 is characterized in that described sleeve (2) is set on the clamp body (1) and the depression bar body of rod (31), and described sleeve (2) one ends are connected with the depression bar pole cap by spring (4); The other end is provided with fillet surface and cooperates driving wedge shape jaw radial contraction clamping part with wedge shape jaw inclined-plane.
5. mechanical type parts retainer according to claim 1, it is characterized in that described clamp body comprises the bare terminal end (13) that is fixedly coupled end (12) and clamping part with depression bar, described link is provided with the link slot (14) of internal thread, and described link slot and depression bar matching thread are connected and fixed; Described bare terminal end is provided with two wedge shape jaws (11), and the front end setting of described wedge shape jaw (11) has the clamp groove (15) of gradient.
6. mechanical type parts retainer according to claim 1 is characterized in that described depression bar is selected from metal struts; Described sleeve is selected from metal sleeve; Described clamp body is selected from the polyformaldehyde material clamp body, the Teflon material clip is concrete.
7. mechanical type parts retainer according to claim 1 is characterized in that the polishing of the described clamp body outside, and clamp body, depression bar body of rod sleeve matched in clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201877509U CN201505864U (en) | 2009-09-23 | 2009-09-23 | Mechanical part clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201877509U CN201505864U (en) | 2009-09-23 | 2009-09-23 | Mechanical part clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201505864U true CN201505864U (en) | 2010-06-16 |
Family
ID=42466999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201877509U Expired - Fee Related CN201505864U (en) | 2009-09-23 | 2009-09-23 | Mechanical part clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201505864U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947757A (en) * | 2010-09-19 | 2011-01-19 | 大连理工大学 | Flexible clamping mechanism |
| CN102380834A (en) * | 2011-11-16 | 2012-03-21 | 宁波市新泽谷机械有限公司 | Workpiece holding mechanism |
| CN102966666A (en) * | 2012-10-26 | 2013-03-13 | 南通润德机械科技有限公司 | Guide sleeve with adjustable gap |
| CN102975144A (en) * | 2012-08-17 | 2013-03-20 | 苏州吴中经济开发区搏宇模具加工厂 | Clamping jaw head of mobile phone lens rapid chuck device |
| CN103659788A (en) * | 2012-09-24 | 2014-03-26 | 通用电气公司 | Apparatus for extracting an object from a cavity |
| CN104260015A (en) * | 2014-10-24 | 2015-01-07 | 安徽华夏显示技术股份有限公司 | Locating fixture for cathode plates of ultraviolet photoelectric tube |
| CN105415270A (en) * | 2015-11-30 | 2016-03-23 | 上海宇航系统工程研究所 | Single-side installation mechanism for hole part |
| CN105522493A (en) * | 2014-10-23 | 2016-04-27 | 富鼎电子科技(嘉善)有限公司 | Clamping device |
| CN108546800A (en) * | 2018-03-29 | 2018-09-18 | 大连德迈仕精密科技股份有限公司 | Equipment for Heating Processing automatic loading and unloading device |
| CN109037008A (en) * | 2018-08-08 | 2018-12-18 | 安徽华夏显示技术股份有限公司 | A kind of purple light pipe press seal tooling and its press seal method |
-
2009
- 2009-09-23 CN CN2009201877509U patent/CN201505864U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947757A (en) * | 2010-09-19 | 2011-01-19 | 大连理工大学 | Flexible clamping mechanism |
| CN102380834A (en) * | 2011-11-16 | 2012-03-21 | 宁波市新泽谷机械有限公司 | Workpiece holding mechanism |
| CN102975144A (en) * | 2012-08-17 | 2013-03-20 | 苏州吴中经济开发区搏宇模具加工厂 | Clamping jaw head of mobile phone lens rapid chuck device |
| CN103659788B (en) * | 2012-09-24 | 2016-11-23 | 通用电气公司 | For extracting the equipment of object from chamber |
| CN103659788A (en) * | 2012-09-24 | 2014-03-26 | 通用电气公司 | Apparatus for extracting an object from a cavity |
| CN102966666B (en) * | 2012-10-26 | 2017-09-15 | 南通润德机械科技有限公司 | Guide sleeve with adjustable gap |
| CN102966666A (en) * | 2012-10-26 | 2013-03-13 | 南通润德机械科技有限公司 | Guide sleeve with adjustable gap |
| CN105522493A (en) * | 2014-10-23 | 2016-04-27 | 富鼎电子科技(嘉善)有限公司 | Clamping device |
| CN104260015A (en) * | 2014-10-24 | 2015-01-07 | 安徽华夏显示技术股份有限公司 | Locating fixture for cathode plates of ultraviolet photoelectric tube |
| CN105415270A (en) * | 2015-11-30 | 2016-03-23 | 上海宇航系统工程研究所 | Single-side installation mechanism for hole part |
| CN108546800A (en) * | 2018-03-29 | 2018-09-18 | 大连德迈仕精密科技股份有限公司 | Equipment for Heating Processing automatic loading and unloading device |
| CN109037008A (en) * | 2018-08-08 | 2018-12-18 | 安徽华夏显示技术股份有限公司 | A kind of purple light pipe press seal tooling and its press seal method |
| CN109037008B (en) * | 2018-08-08 | 2020-02-18 | 安徽华夏显示技术股份有限公司 | Purple light tube press-sealing tool and press-sealing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20150923 |
|
| EXPY | Termination of patent right or utility model |