CN203031305U - Internal clamping fixture - Google Patents
Internal clamping fixture Download PDFInfo
- Publication number
- CN203031305U CN203031305U CN 201220666269 CN201220666269U CN203031305U CN 203031305 U CN203031305 U CN 203031305U CN 201220666269 CN201220666269 CN 201220666269 CN 201220666269 U CN201220666269 U CN 201220666269U CN 203031305 U CN203031305 U CN 203031305U
- Authority
- CN
- China
- Prior art keywords
- base body
- cam
- slide bar
- hole
- rotating shaft
- 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
Links
Images
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to a clamping fixture, specifically to an internal clamping fixture comprising a fixture body, a clamping jaw, a handle, a rotating shaft, a cam provided with a C-shaped groove, a cylindrical pin, a resetting spring and a slide rod. The fixture body comprises a lower base body, an upper base body and a side base body; the lower base body is longitudinally provided with a rectangular groove and a limiting groove; the rectangular groove is communicated with a longitudinal through hole disposed in the upper base body; the slide rod passes through the longitudinal through hole of the upper base body; the lower end of the slide rod is disposed in the rectangular groove of the lower base body; the cylindrical pin passes through the lower end of the slide rod; two ends of the cylindrical pin are disposed in the C-shaped groove and the limiting groove respectively; the longitudinal section of the cam is wedge-shaped; the lower base body is provided with a through hole in the horizontal direction; the rotating shaft passes through the horizontal through hole and the two ends of the rotating shaft are fixedly connected with the handle and the cam fixedly; the resetting spring is disposed in the base body horizontally; and a drive end on the lower portion of the clamping jaw is hinged to the side base body. The internal clamping fixture is characterized by high adjustability of clamping force, accurate positioning, simple structure and low cost.
Description
Technical field
The utility model relates to a kind of clamping device, is specifically related to a kind of inner clamps clamper.
Background technology
In the machining manufacturing industry, the locating clip clamper plays important effect, and it guarantees that the relative lathe of workpiece, cutter etc. are in correct position all the time, guarantees uniformity and the crudy of workpiece processing.
The location of workpiece and fastening, the selection of its stress point and stress surface has determined to locate and fastening effect, the outer wall of the selection workpiece that traditional clamping device is more is force surface, and for the clamping of spill workpiece, concave surface is decided to be stress surface can better realizes locating and fastening effect.Though existing clamping device can satisfy the clamping demand of workpiece to a certain extent, but in the actual use, still exist following some shortcomings: 1, for the spill workpiece of being made by the relatively poor material of toughness, thereby clamping device is if adopt mode that outer wall clamps or it does not then easily cause the distortion of workpiece or damage influence to the accuracy of workpiece location by force to the exert pressure modulability of dynamics of workpiece; Though 2 have some to adopt other power to drive the device that the slide bar motion realizes clamping, its complex structure, cost is higher.
The utility model content
The technical problems to be solved in the utility model provides a kind of inner clamps clamper that the dynamics modulability is strong, the location is accurate, simple in structure, cost is low that clamps.
In order to solve the problems of the technologies described above, the utility model provides a kind of inner clamps clamper, include chuck body, jaw, handle, rotating shaft, be provided with the cam of C type groove, straight pin, back-moving spring, slide bar, wherein, described chuck body is by lower substrate, last matrix and side group body are formed, lower substrate vertically is provided with rectangular channel and stopper slot, the set longitudinal hole of rectangular channel and last matrix connects, described slide bar passes the longitudinal hole of matrix, its lower end places in the rectangular channel of lower substrate, described straight pin passes the lower end of slide bar, one end of straight pin places in the C type groove of described cam, and the other end is positioned at stopper slot, and the longitudinal section of described cam is wedge shape, the horizontal direction of lower substrate is provided with through hole, horizontal through hole is passed in described rotating shaft and fixedly connected with described cam with described handle respectively in its two ends, and level is provided with back-moving spring in the side group body, and the two ends of back-moving spring are connected with jaw with the side group body respectively, jaw bottom drive end and side group body are hinged, and its top driven end is used for clamping work pieces.
Turning handle drives rotating shaft and cam rotates, simultaneously, straight pin one end is along with C shape groove rotates, and the other end slides in stopper slot, realizes the lifting of cam driven slide bar and has stoped the rotation of slide bar in lifting process, when the distance of straight pin and cam center of rotation farthest the time, slide bar is in the extreme higher position, applies one for this moment the concave surface of workpiece and upwards pressure, simultaneously, the convex surface of cam promotes the another side that jaw forces in workpiece, realizes the inside of workpiece is clamped; When straight pin and cam center of rotation nearest, slide bar is in extreme lower position, and this moment, slide bar withdrawed from the concave surface of workpiece, upwards pressure and eliminates thereupon, and cam also eliminates for the thrust of jaw thereupon simultaneously, thereby unclamps workpiece.
Adopt the inner clamps clamper of technique scheme to have following advantage: 1, because the mode that adopts chuck body convex part to match with the workpiece concave surface, the stress surface of caught workpiece increases, and therefore can not cause distortion and damage and its location accuracy height to workpiece to workpiece; 2, the manual operation clamping device saves power source mechanism, and apparatus structure is simple, and just can realize under the situation that does not have complicated auxiliary manufacturing step, so the processing and manufacturing cost is low.
As preferred version, consider that long-term contact of slide bar top and workpiece easily cause wearing and tearing, the top of described slide bar is provided with nut, and nut is connected with slide bar by screw thread, so that change nut, adaptive different types of workpieces.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of the utility model embodiment inner clamps clamper;
Fig. 2 is the structural representation of the cam of the utility model embodiment inner clamps clamper.
The specific embodiment
Below in conjunction with drawings and Examples technical solutions of the utility model are further specified:
As depicted in figs. 1 and 2, the utility model provides a kind of inner clamps clamper, include chuck body 4, handle 1, rotating shaft 2, be provided with the cam 7 of C type groove 12, straight pin 6, back-moving spring 8, jaw 3, slide bar 5, wherein, chuck body 4 is by following body, upper body and side body are formed, following body vertically is provided with rectangular channel 10 and stopper slot 9, the set longitudinal hole of rectangular channel 10 and upper body connects, slide bar 5 passes the longitudinal hole of upper body, its lower end places down in the rectangular channel 10 of body, straight pin 6 passes the lower end of slide bar 5, one end of straight pin 6 places in the C type groove 12 of cam 7, and the other end is positioned at stopper slot 9, and the longitudinal section of cam 7 is wedge shape, the horizontal direction of following body is provided with through hole, horizontal through hole is passed in rotating shaft 2 and fixedly connected with cam 7 with handle 1 respectively in its two ends, and level is provided with back-moving spring 8 in the side body, and the two ends of back-moving spring 8 are connected with jaw 3 with the side body respectively, jaw 3 bottom drive ends and side body are hinged, and its top driven end is used for clamping work pieces.In addition, slide bar 5 tops are provided with nut 11, and nut 11 is connected with slide bar 5 by screw thread.
Specifically be to use method to be: turning handle 1 drives rotating shaft 2 and cam 7 rotates, simultaneously, straight pin 6 one ends are along with C shape groove 12 rotates, the other end slides in stopper slot 9, realize that cam 7 drives the lifting of slide bar 5 and stoped the rotation of slide bar 5 in lifting process, when the distance of straight pin 6 and cam 7 center of rotation farthest the time, slide bar bar 5 is in the extreme higher position, applying one for this moment the concave surface of workpiece upwards pressure, simultaneously, the convex surface of cam 7 promotes the another side that jaw 3 forces in workpiece, realizes the inside of workpiece is clamped; When straight pin 6 and cam 7 center of rotation nearest, slide bar bar 5 is in extreme lower position, and this moment, slide bar 5 withdrawed from the concave surface of workpiece, upwarded pressure and eliminated thereupon, and cam 7 also eliminates for the thrust of jaw 3 thereupon simultaneously, thereby unclamps workpiece.
Above-described only is preferred embodiment of the present utility model; should be understood that; for a person skilled in the art; under the prerequisite that does not break away from the utility model structure; can also make some distortion and improvement; these also should be considered as protection domain of the present utility model, and these can not influence effect and practical applicability that the utility model is implemented.
Claims (2)
1. inner clamps clamper, it is characterized in that: include chuck body, jaw, handle, rotating shaft, be provided with the cam of C type groove, straight pin, back-moving spring, slide bar, wherein, described chuck body is by lower substrate, last matrix and side group body are formed, lower substrate vertically is provided with rectangular channel and stopper slot, the set longitudinal hole of rectangular channel and last matrix connects, described slide bar passes the longitudinal hole of matrix, its lower end places in the rectangular channel of lower substrate, described straight pin passes the lower end of slide bar, one end of straight pin places in the C type groove of described cam, the other end is positioned at stopper slot, the longitudinal section of described cam is wedge shape, and the horizontal direction of lower substrate is provided with through hole, and horizontal through hole is passed in described rotating shaft and fixedly connected with described cam with described handle respectively in its two ends, level is provided with back-moving spring in the side group body, the two ends of back-moving spring are connected with jaw with the side group body respectively, and jaw bottom drive end and side group body are hinged, and its top driven end is used for clamping work pieces.
2. inner clamps clamper according to claim 1, it is characterized in that: described top end of sliding rod is provided with nut, and nut is connected with slide bar by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220666269 CN203031305U (en) | 2012-12-06 | 2012-12-06 | Internal clamping fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220666269 CN203031305U (en) | 2012-12-06 | 2012-12-06 | Internal clamping fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203031305U true CN203031305U (en) | 2013-07-03 |
Family
ID=48683448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220666269 Expired - Fee Related CN203031305U (en) | 2012-12-06 | 2012-12-06 | Internal clamping fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203031305U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127442A (en) * | 2017-12-29 | 2018-06-08 | 奉正中 | A kind of numerically-controlled machine tool clamping device |
-
2012
- 2012-12-06 CN CN 201220666269 patent/CN203031305U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127442A (en) * | 2017-12-29 | 2018-06-08 | 奉正中 | A kind of numerically-controlled machine tool clamping device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204248498U (en) | A kind of gripping position adjustable pipe clamping device | |
| CN204976029U (en) | Rotatable many anchor clamps machine tool table | |
| CN103433777A (en) | Fast clamping mechanism of machine tool | |
| CN203542129U (en) | Synchronous centering and clamping mechanism | |
| CN205237484U (en) | Device is screwed up in automation between valve cap and valve body | |
| CN201455702U (en) | End surface milling fixture for ultrathin workpieces | |
| CN202367486U (en) | Drill jig of front cover of gear pump | |
| CN204135593U (en) | LED frame is welded and fixed folder and device | |
| CN202780614U (en) | Double-side-milling two end face fixtures with clamping range adjustable | |
| CN103009122A (en) | Internal clamping fixture | |
| CN201970114U (en) | Double-coordinate automatic centring bench clamp | |
| CN203031305U (en) | Internal clamping fixture | |
| CN204868200U (en) | Butterfly valve boring grab | |
| CN204339073U (en) | The shaft member fixture of replaceable clamping head | |
| CN104175147B (en) | Manual quick clamp device | |
| CN203228030U (en) | Hole drilling clamp facilitating workpiece movement | |
| CN205380470U (en) | Simple and easy anchor clamps of digit control machine tool | |
| CN204913349U (en) | Finish machining frock of axle type axial hole | |
| CN204262819U (en) | A kind of lathe alignment jig | |
| CN209632534U (en) | Clamp for machining is clamped for workpiece centrifugal force | |
| CN208649118U (en) | High-boron-silicon glass cup rolls mouth machine two-shot clamping device automatically | |
| CN203019244U (en) | Vice with replaceable vice jaw | |
| CN203650315U (en) | Pressing plate quick clamping device | |
| CN206795301U (en) | It is adapted to the fixture of more size square parts clampings | |
| CN201586877U (en) | Inclined plane milling clamp for spindle seat post |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20131206 |