CN103639735A - Expansion type clamping device - Google Patents
Expansion type clamping device Download PDFInfo
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- CN103639735A CN103639735A CN201310651203.2A CN201310651203A CN103639735A CN 103639735 A CN103639735 A CN 103639735A CN 201310651203 A CN201310651203 A CN 201310651203A CN 103639735 A CN103639735 A CN 103639735A
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- Prior art keywords
- integral type
- clamping device
- workpiece
- tapered block
- screw
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses an expansion type clamping device. A taper block is matched with the external of an integrated expansion body through a conical surface and connected with the internal of the integrated expansion body through a screw, and a spring is installed between the taper block and the integrated expansion body. When the screw is tightened, the taper block is driven to compress the spring to move downwards, the upper portion of the integrated expansion body expands under the action of external taper of the taper block, and therefore a workpiece is clamped. When the screw is loosened, the taper block is pushed to move upwards under the action of the spring, and therefore the upper portion of the integrated expansion body contracts and returns to the original position under the action of the external taper of the taper block, and the workpiece is loosened. According to the clamping device, the workpiece is clamped or loosened through tightness changes of the screw and is clamped in a physical expansion mode, operation is convenient to achieve, appearances of parts are not influenced, a few of traditional cockamamie clamping operations are omitted, and efficiency is improved.
Description
Technical field
The present invention relates to a kind of fixture, be specifically related to a kind of expansion type clamping device.
Background technology
Machine-building be unable to do without Metal Cutting Machine Tool, and jig is assurance mechanical processing quality, enhances productivity, reduces labor intensity, reduces the excessive demand of workman's technology, realizes one of indispensable important process equipment of Automation of Manufacturing Process.Jig is widely used in manufacturing industry, and the use of a large amount of special jigs provides necessary condition for producing in enormous quantities.When workpiece, finished after line in the past, with chuck, by line, installed, reprocessing endoporus.In the process of proofreading and correct, to adjust while being clipped in two pawl on the face of cylinder, workpiece produces and rolls, and the center line in the hole that makes to rule produces angle displacement, is difficult to workpiece correction, and produces processing waste product.People have manufactured and designed fixture for this reason, and by use for many years, effect is fine.
For the machining of most of product, during batch production, all need to adopt fixture to clamp, thereby carry out operation, to improve its efficiency.For circular cylinder parts fixation, often in product appearance, there is again requirement at present, often adopt the outside mode clamping all can have influence on the outward appearance of product, and the clamping device mostly using is at present all more complicated, clamping workpiece overlong time, cost is high.
In order to solve above-mentioned this problem, the invention provides a kind of expansion type clamping device, this device changes realize the clamping of workpiece and unclamp by the degree of tightness of screw, by physical expansion mode, carry out clamping work pieces, make easy to operate, do not affect accessory appearance, saved the loaded down with trivial details clamping of some tradition, raise the efficiency.
Summary of the invention
The object of the invention is to overcome the above problem that prior art exists, a kind of expansion type clamping device is provided.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions:
A kind of expansion type clamping device, mainly comprise tapered block and integral type expander, tapered block is located at the top of integral type expander, the upper end cover of tapered block and integral type expander has workpiece, described tapered block and described integral type expander outside are by the cone match of workpiece, described tapered block is connected by fixture with described integral type expander inside, between described tapered block and described integral type expander, is provided with elastic device.
As preferably, described tapered block and described integral type expander inside are connected by screw.
As preferably, the elastic device of installing between described tapered block and described integral type expander is spring.
As preferably, described spring is provided with two.
As preferably, integral type expander is cylindrical, and mid portion is outwardly, and projection is provided with fixed hole position.
As preferably, the locating surface of integral type expander is located at the lower end of expander.
When practical operation, by described screw-driving, drive described tapered block to oppress described spring and move downward, under the effect of the outside tapering of described tapered block, make described integral type expander upper expansion, thereby by described Workpiece clamping.
While realizing the unclamping of workpiece, described screw unclamps, and promotes described tapered block and moves upward, thereby make described integral type expander top retracted for clearance under the effect of the outside tapering of described tapered block, thereby described workpiece is unclamped under the effect of described spring.
The invention has the beneficial effects as follows:
Expansion type clamping device of the present invention has been broken the installation way that traditional outside clamps on revolving body product clamping.By the degree of tightness of screw, control the clamping of workpiece and unclamp, utilizing the principle of the conical surface and strain to realize the work variation of fixture, thereby reach easily the effect of putting, easily getting.This device is easy to operate, simple in structure, compact, convenient processing and manufacture, cost-saving, is applicable to the occasion of processing in enormous quantities.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, below with preferred embodiment of the present invention and coordinate accompanying drawing to be described in detail as follows.The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is a kind of overall structure schematic diagram of expansion type clamping device.
Number in the figure explanation: 1, tapered block, 2, screw, 3, spring, 4, fixed hole position, 5, integral type expander, 6, locating surface, 7, workpiece.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, for example, can be mechanical connection or electrical connection, can be also the connection of two element internals, can be to be directly connected, also can indirectly be connected by intermediary.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
Shown in Fig. 1, a kind of expansion type clamping device, mainly comprise tapered block 1 and integral type expander 5, tapered block 1 has workpiece 7 with the upper end cover of integral type expander 5, tapered block 1 is located at the top of integral type expander 5, described tapered block 1 is outside by the cone match of workpiece 7 with described integral type expander 5, described tapered block 1 is connected by screw 2 with described integral type expander 5 inside, traditional workpiece clamping device is all to adopt the outside mode clamping to operate, conventionally can adopt chuck to fill by wire clamp, two pawls are when surface of the work operates, easily cause work centre line off normal, also easily damage is caused in the surface of workpiece, in today that workpiece outward appearance is more and more paid attention to, the outside mode clamping is obviously no longer suitable, the present invention utilizes the physical characteristic of integral type expander 5 stressed expansions, developed a kind of new Workpiece clamping device, tapered block 1 and integral type expander 5 are linked together by screw 2, operator just can realize by the degree of tightness of adjustment screw 2 control to workpiece, for pressure that integral type expander 5 bears can be delicately changed with the degree of tightness of screw 2, the present invention is provided with two springs 3 between tapered block 1 and described integral type expander 5, the benefit that elastic device is installed between tapered block 1 and integral type expander 5 is that spring 3 can be converted into the degree of tightness of screw 2 increase and decrease of spring 3 elastic potential energys, when screw 2 is tightened, drive tapered block 1 pressuring spring 3 to move downward, spacing between tapered block 1 and integral type expander 5 reduces, spring 3 compressions, it is tighter that screw 2 is twisted, it is just more severe that spring 3 compresses, the elastic potential energy of spring 3 is also just larger, and the pressure that integral type expander 5 is subject to is just larger, the elastic deformation that expander 5 produces is just larger, under the effect of tapered block 1 outside tapering, make integral type expander 5 upper expansion, the power that now clamping device applies workpiece 7 inside is just larger, it is tighter that workpiece 7 is also just pressed from both sides, otherwise, unclamp screw 2, under the effect of spring 3, promoting tapered block 1 moves upward, thereby under the effect of tapered block 1 outside tapering, make integral type expander 5 top retracted for clearance, thereby workpiece 7 is unclamped to the pressure that integral type expander 5 is subject to be reduced, the elastic deformation of expander 5 diminishes, workpiece 7 is released, what adopt that the advantage of this kind of clamping device is to utilize is the clamping that realizes clamping device of the physical characteristics of expander 5 itself and unclamp, can not produce infringement to workpiece, only need adjustment screw 2 just can realize the function of clamping device simultaneously, relatively current common clamping device, saved the clamping workpiece time, improved operating efficiency, simplified working procedure, reduced cost.
As preferably, integral type expander 5 is cylindrical, and mid portion is outwardly, and projection is provided with fixed hole position 4, and the locating surface 6 of integral type expander 5 is located at the lower end of expander 5.
In sum, expansion type clamping device of the present invention has been broken the installation way that traditional outside clamps on revolving body product clamping.By the degree of tightness of screw, control the clamping of workpiece and unclamp, utilizing the principle of the conical surface and strain to realize the work variation of fixture, thereby reach easily the effect of putting, easily getting.This device is easy to operate, simple in structure, compact, convenient processing and manufacture, cost-saving, is applicable to the occasion of processing in enormous quantities.
In the description of this description, the description of reference term " embodiment ", " example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (6)
1. an expansion type clamping device, mainly comprise tapered block and integral type expander, tapered block is located at the top of integral type expander, the upper end cover of tapered block and integral type expander has workpiece, it is characterized in that, described tapered block and described integral type expander outside are by the cone match of workpiece, and described tapered block is connected by fixture with described integral type expander inside, between described tapered block and described integral type expander, is provided with elastic device.
2. a kind of expansion type clamping device according to claim 1, is characterized in that, described tapered block and described integral type expander inside are connected by screw.
3. a kind of expansion type clamping device according to claim 1, is characterized in that, the elastic device of installing between described tapered block and described integral type expander is spring.
4. a kind of expansion type clamping device according to claim 2, is characterized in that, described spring is provided with two.
5. a kind of expansion type clamping device according to claim 1, is characterized in that, integral type expander is cylindrical, and mid portion is outwardly, and projection is provided with fixed hole position.
6. a kind of expansion type clamping device according to claim 1, is characterized in that, the locating surface of integral type expander is located at the lower end of expander.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310651203.2A CN103639735A (en) | 2013-12-09 | 2013-12-09 | Expansion type clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310651203.2A CN103639735A (en) | 2013-12-09 | 2013-12-09 | Expansion type clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103639735A true CN103639735A (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310651203.2A Pending CN103639735A (en) | 2013-12-09 | 2013-12-09 | Expansion type clamping device |
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|---|---|
| CN (1) | CN103639735A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0310967B1 (en) * | 1987-10-02 | 1992-04-22 | Manfred Schanz | Clamping device |
| CN2367820Y (en) * | 1998-06-09 | 2000-03-08 | 刘锡明 | Expansion fastener |
| CN2586032Y (en) * | 2002-12-17 | 2003-11-12 | 上海耐莱斯·詹姆斯伯雷阀门有限公司 | Tight connector of regulating valve |
| CN202527962U (en) * | 2012-05-03 | 2012-11-14 | 天津市隆诚泰铝业有限公司 | Tool for processing both ends of motor casing |
| CN202539958U (en) * | 2011-11-16 | 2012-11-21 | 天津职业技术师范大学 | Numerical control turning clamp for outer contour of focusing guide ring |
| CN102935597A (en) * | 2012-12-09 | 2013-02-20 | 重庆天之道科技发展有限公司 | Clamping fixture for tube body |
| CN203076934U (en) * | 2012-12-10 | 2013-07-24 | 常州金瑞达科技有限公司 | Shaft neck elastic expanding-sleeve-type locating fixture |
| CN103241648A (en) * | 2013-05-22 | 2013-08-14 | 镇江中船设备有限公司 | Vertical hoisting tool for piston pin |
| CN103240620A (en) * | 2013-05-19 | 2013-08-14 | 苏州博讯仪器有限公司 | Elastic clamp |
| CN203266144U (en) * | 2013-04-10 | 2013-11-06 | 江苏爱吉斯海珠机械有限公司 | Hydraulic clamping clamp for process of milling supporting shoulder excircle with cylinder sleeve |
| CN203579242U (en) * | 2013-12-09 | 2014-05-07 | 强胜精密机械(苏州)有限公司 | Expansion type clamping device |
-
2013
- 2013-12-09 CN CN201310651203.2A patent/CN103639735A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0310967B1 (en) * | 1987-10-02 | 1992-04-22 | Manfred Schanz | Clamping device |
| CN2367820Y (en) * | 1998-06-09 | 2000-03-08 | 刘锡明 | Expansion fastener |
| CN2586032Y (en) * | 2002-12-17 | 2003-11-12 | 上海耐莱斯·詹姆斯伯雷阀门有限公司 | Tight connector of regulating valve |
| CN202539958U (en) * | 2011-11-16 | 2012-11-21 | 天津职业技术师范大学 | Numerical control turning clamp for outer contour of focusing guide ring |
| CN202527962U (en) * | 2012-05-03 | 2012-11-14 | 天津市隆诚泰铝业有限公司 | Tool for processing both ends of motor casing |
| CN102935597A (en) * | 2012-12-09 | 2013-02-20 | 重庆天之道科技发展有限公司 | Clamping fixture for tube body |
| CN203076934U (en) * | 2012-12-10 | 2013-07-24 | 常州金瑞达科技有限公司 | Shaft neck elastic expanding-sleeve-type locating fixture |
| CN203266144U (en) * | 2013-04-10 | 2013-11-06 | 江苏爱吉斯海珠机械有限公司 | Hydraulic clamping clamp for process of milling supporting shoulder excircle with cylinder sleeve |
| CN103240620A (en) * | 2013-05-19 | 2013-08-14 | 苏州博讯仪器有限公司 | Elastic clamp |
| CN103241648A (en) * | 2013-05-22 | 2013-08-14 | 镇江中船设备有限公司 | Vertical hoisting tool for piston pin |
| CN203579242U (en) * | 2013-12-09 | 2014-05-07 | 强胜精密机械(苏州)有限公司 | Expansion type clamping device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140319 |