CN203579242U - Expansion type clamping device - Google Patents

Expansion type clamping device Download PDF

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Publication number
CN203579242U
CN203579242U CN201320796357.6U CN201320796357U CN203579242U CN 203579242 U CN203579242 U CN 203579242U CN 201320796357 U CN201320796357 U CN 201320796357U CN 203579242 U CN203579242 U CN 203579242U
Authority
CN
China
Prior art keywords
tapered block
workpiece
expansion
clamping
integral type
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 - Fee Related
Application number
CN201320796357.6U
Other languages
Chinese (zh)
Inventor
施长岗
王成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson Precision Engineering Suzhou Co Ltd
Original Assignee
Johnson Precision Engineering Suzhou Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Johnson Precision Engineering Suzhou Co Ltd filed Critical Johnson Precision Engineering Suzhou Co Ltd
Priority to CN201320796357.6U priority Critical patent/CN203579242U/en
Application granted granted Critical
Publication of CN203579242U publication Critical patent/CN203579242U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an expansion type clamping device. According to the expansion type clamping device, a tapered block is matched with the outside of an integrated expansion body through a conical surface, the tapered block is connected with the inside of the integrated expansion body through a screw, and a spring is installed between the tapered block and the integrated expansion body. When the screw is tightened, the tapered block is driven to press the spring to move downwards, the tapered block makes the upper portion of the expansion body expand under the action of external taper, and thus a workpiece is clamped. When the screw is loosened, the tapered block is pushed to move upwards under the action of the spring, the tapered block makes the upper portion of the integrated expansion body contract and restore under the action of the external taper, and thus the workpiece is loosened. According to the expansion type clamping device, the workpiece is clamped or loosened by changing the degree of tightness of the screw, the workpiece is clamped with the physical expansion method, operation is convenient, the appearance of a part is not affected, complicated clamping is omitted, and efficiency is improved.

Description

A kind of expansion type clamping device
Technical field
The utility model relates to a kind of fixture, is 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 to guarantee mechanical processing quality, enhance productivity, reduce labor intensity, reduce excessive demand to workman's technology, realize 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 is finished after line, with chuck, by line, installed in the past, reprocessed 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 utility model 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.
Utility model content
The purpose of this utility model is to overcome the above problem that prior art exists, and a kind of expansion type clamping device is provided.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the utility model 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 beneficial effects of the utility model are:
Expansion type clamping device of the present utility model 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, and simple in structure, compact, convenient processing and manufacture are cost-saving, is applicable to the occasion of processing in enormous quantities.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of description, below with preferred embodiment of the present utility model and coordinate accompanying drawing to be described in detail as follows.The specific embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.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 embodiment of the present utility model 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 utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, 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 utility model 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 utility model 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 the control to workpiece by the degree of tightness of adjustment screw 2, for the pressure that integral type expander 5 bears can be changed with the degree of tightness of screw 2 delicately, the utility model 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 compresses, 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, common clamping device relatively at present, 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 utility model 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, and simple in structure, compact, convenient processing and manufacture are 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 utility model 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 specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model 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.
CN201320796357.6U 2013-12-09 2013-12-09 Expansion type clamping device Expired - Fee Related CN203579242U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320796357.6U CN203579242U (en) 2013-12-09 2013-12-09 Expansion type clamping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320796357.6U CN203579242U (en) 2013-12-09 2013-12-09 Expansion type clamping device

Publications (1)

Publication Number Publication Date
CN203579242U true CN203579242U (en) 2014-05-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320796357.6U Expired - Fee Related CN203579242U (en) 2013-12-09 2013-12-09 Expansion type clamping device

Country Status (1)

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CN (1) CN203579242U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103639735A (en) * 2013-12-09 2014-03-19 强胜精密机械(苏州)有限公司 Expansion type clamping device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103639735A (en) * 2013-12-09 2014-03-19 强胜精密机械(苏州)有限公司 Expansion type clamping device

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140507

Termination date: 20171209

CF01 Termination of patent right due to non-payment of annual fee