CN205237105U - Tight frock clamp expands - Google Patents
Tight frock clamp expands Download PDFInfo
- Publication number
- CN205237105U CN205237105U CN201520966702.5U CN201520966702U CN205237105U CN 205237105 U CN205237105 U CN 205237105U CN 201520966702 U CN201520966702 U CN 201520966702U CN 205237105 U CN205237105 U CN 205237105U
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- swelling
- positioning boss
- positioning
- chuck
- locating dowel
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Abstract
The utility model relates to a frock clamp especially relates to a tight frock clamp expands. This tight frock clamp expands, including the location chuck that is used for fixed work piece, the location chuck on be provided with the location boss around the axis, be provided with on the boss of location with the work piece on fabrication hole matched with expand and tightly sell the post, a side that the location boss is close to location chuck axis is the tight inclined plane that expands, the axis department of location chuck runs through and is provided with the tight post that expands. The utility model discloses have can be effectively to sheet metal molding die spare carry out the clamping, guarantee that work piece and frock clamp are coaxial, improve clamping efficiency, beneficial effect such as clamping time sparingly.
Description
Technical field
The utility model relates to a kind of frock clamp, especially relates to a kind of expansion tooling fixture.
Background technology
The lathes such as existing lathe adopt scroll chuck fixation workpiece conventionally, and this class frock clamp needs manual clamping, complicated operation, length consuming time. Having a class workpiece is sheet-type structure, and middle part arranges fabrication hole, and because thickness of workpiece is less, scroll chuck cannot carry out clamping to sheet-type workpiece. And sheet-type axis of workpiece thickness is less, in clamping process, cannot ensure that the axis of workpiece and frock clamp are coaxial.
Utility model content
The utility model is mainly for the problems referred to above, provide a kind of can be effectively to sheet-type workpiece carry out clamping, ensure that workpiece is coaxial with frock clamp, raising clamping efficiency, the expansion tooling fixture of saving clamping time.
The purpose of this utility model is mainly achieved by following proposal: a kind of expansion tooling fixture, comprise the positioning chuck for fixation workpiece, on described positioning chuck, be provided with positioning boss around axis, on positioning boss, be provided with the swelling pin matching with the fabrication hole on workpiece, positioning boss is swelling inclined-plane near a side of positioning chuck axis, and run through and is provided with swelling post at the axis place of positioning chuck. Positioning chuck is fixedly mounted on lathe, and on locator card handkerchief, around at least three positioning boss of axis setting, positioning boss evenly distributes around the axis of positioning chuck, and swelling pin is set on positioning boss, and swelling pin matches with the fabrication hole on workpiece. By workpiece, when the positioning chuck direction clamping, on the swelling pin on the corresponding positioning chuck of fabrication hole on workpiece, swelling pin inserts in the fabrication hole on workpiece. Run through swelling post is set at the axis place of positioning chuck, because positioning boss is swelling inclined-plane near a side of positioning chuck axis, and swelling inclined-plane is taper seat, swelling post is in the time that positioning boss direction moves, swelling post can swelling positioning boss, make positioning boss away from one end of positioning chuck towards the skew that little displacement occurs away from the direction of axis, and then make swelling pin that the skew of little displacement occur, utilize swelling pin to be offset the fabrication hole on swelling workpiece, realized swelling pin the swelling of workpiece is fixed. Whole process operation is simple, realizes the Fast Installation of workpiece. Need to dismantle workpiece time, swelling post is moved towards the direction away from positioning boss, positioning boss resets away from one end of positioning chuck, prepares clamping again. Along with stretching into of swelling post can regulate the swelling degree of swelling post to positioning boss, and then the scope of application of increase frock.
As preferably, described positioning boss is connected with positioning chuck one, axially run through and be provided with locating dowel at positioning boss place, swelling pin is positioned in locating dowel and with locating dowel and coaxially arranges, locating dowel is provided with away from one end of swelling pin the limiting stand that diameter is greater than locating dowel, and locating dowel is provided with locking nut near one end of swelling pin. Positioning boss is connected with positioning chuck one, when swelling post stretches into, utilizes swelling outer surface of column to exert pressure to the swelling inclined-plane of positioning boss, and then makes positioning boss that the skew of little displacement occur away from one end of positioning chuck. Axially run through and be provided with locating dowel at positioning boss place, swelling pin is positioned in locating dowel and with locating dowel and coaxially arranges, when locating dowel is installed, locating dowel is run through to positioning boss, limiting stand in locating dowel can be spacing to locating dowel bottom, utilize locking nut locking on the top of locating dowel, utilize limiting stand and locking nut to clamp positioning boss, realize the installation of locating dowel and swelling pin. In like manner, screw off locking nut, locating dowel and swelling pin can be disassembled from positioning boss, be convenient to the replacing to locating dowel and swelling pin. Prevent that swelling pin wearing and tearing from causing the offset deviation of clamping, and positioning boss, positioning chuck are without replacing, save cost.
As preferably, all positioning boss outsides are arranged with protective sleeve. All positioning boss surround into a cylindrical structural; sheathed protective sleeve outside all positioning boss; the maximum gauge scope of utilizing protective sleeve restriction positioning boss to expand outwardly; avoid swelling post excessively deeply to cause positioning boss excessive deformation even to rupture, reduce the wearing and tearing between swelling post and positioning boss.
As preferably, described positioning boss is taper seat away from a side of swelling post, and protective sleeve is taper seat near a side of positioning boss and is threaded with positioning boss. positioning boss is taper seat away from a side of swelling post, protective sleeve is also taper seat near a side of positioning boss, and protective sleeve is connected with positioning boss outer surface thread, when protective sleeve is in the time that positioning chuck direction screws, the deflection of protective sleeve restriction positioning boss reduces, when protective sleeve is in the time that workpiece direction unscrews, the deflection of protective sleeve restriction positioning boss increases, while there is slight error in the fabrication hole on workpiece in process, the circle diameter that can consist of all positioning boss rotation protective sleeve is finely tuned, the position that ensures the swelling pin on positioning boss can be corresponding with fabrication hole position. positioning boss is located by the swelling of swelling post near the direction of axis, and positioning boss is protected by protective sleeve is fixing away from the direction of axis, ensures the stability of positioning boss, and then ensures the stability of swelling pin.
Therefore, expansion tooling fixture of the present utility model possesses following advantage: run through swelling post is set at the axis place of positioning chuck, because positioning boss is swelling inclined-plane near a side of positioning chuck axis, and swelling inclined-plane is taper seat, swelling post is in the time that positioning boss direction moves, swelling post can swelling positioning boss, make positioning boss away from one end of positioning chuck towards the skew that little displacement occurs away from the direction of axis, and then make swelling pin that the skew of little displacement occur, utilize swelling pin to be offset the fabrication hole on swelling workpiece, having realized swelling pin fixes the swelling of workpiece. whole process operation is simple, realizes the Fast Installation of workpiece. need to dismantle workpiece time, swelling post is moved towards the direction away from positioning boss, positioning boss resets away from one end of positioning chuck, prepares clamping again. along with stretching into of swelling post can regulate the swelling degree of swelling post to positioning boss, and then the scope of application of increase frock.
Brief description of the drawings
A kind of structural representation when accompanying drawing 1 is the utility model use state;
Accompanying drawing 2 is axial cross section schematic diagrames of the present utility model.
Illustrate: 01-workpiece, 011-fabrication hole, 02-positioning chuck, 03-positioning boss, 031-swelling inclined-plane, 04-swelling pin, 05-swelling post, 06-locating dowel, 061-limiting stand, 062-locking nut, 07-protective sleeve.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: as shown in Figure 1, 2, a kind of expansion tooling fixture, comprises the positioning chuck 02 for fixation workpiece 01, is provided with four positioning boss 03 on positioning chuck around axis, positioning boss is evenly around the axis of positioning chuck. On positioning boss, be provided with the swelling pin 04 matching with the fabrication hole 011 on workpiece, positioning boss is swelling inclined-plane 031 near a side of positioning chuck axis, swelling inclined-plane is taper seat, run through and be provided with swelling post 05 at the axis place of positioning chuck, it is conical that swelling post is, and positioning boss is near a side and the laminating of swelling outer surface of column of swelling post. Positioning boss is connected with positioning chuck one, axially run through and be provided with locating dowel 06 at positioning boss place, swelling pin is positioned in locating dowel and with locating dowel and coaxially arranges, locating dowel is provided with away from one end of swelling pin the limiting stand 061 that diameter is greater than locating dowel, and locating dowel is provided with locking nut 062 near one end of swelling pin. All positioning boss surround into a cylindrical structural, sheathed protective sleeve 07 outside all positioning boss, and protective sleeve is the adjustable hooping structure of diameter. Positioning boss is taper seat away from a side of swelling post, and protective sleeve is taper seat near a side of positioning boss and is threaded with positioning boss.
Positioning chuck is fixedly mounted on lathe, and on locator card handkerchief, around at least three positioning boss of axis setting, positioning boss evenly distributes around the axis of positioning chuck, and swelling pin is set on positioning boss, and swelling pin matches with the fabrication hole on workpiece. by workpiece, when the positioning chuck direction clamping, on the swelling pin on the corresponding positioning chuck of fabrication hole on workpiece, swelling pin inserts in the fabrication hole on workpiece. run through swelling post is set at the axis place of positioning chuck, because positioning boss is swelling inclined-plane near a side of positioning chuck axis, and swelling inclined-plane is taper seat, swelling post is in the time that positioning boss direction moves, swelling post can swelling positioning boss, make positioning boss away from one end of positioning chuck towards the skew that little displacement occurs away from the direction of axis, and then make swelling pin that the skew of little displacement occur, utilize swelling pin to be offset the fabrication hole on swelling workpiece, realized swelling pin the swelling of workpiece is fixed. whole process operation is simple, realizes the Fast Installation of workpiece. need to dismantle workpiece time, swelling post is moved towards the direction away from positioning boss, positioning boss resets away from one end of positioning chuck, prepares clamping again. along with stretching into of swelling post can regulate the swelling degree of swelling post to positioning boss, and then the scope of application of increase frock. it is conical that swelling post is, and positioning boss is near a side and the laminating of swelling outer surface of column of swelling post, be that the tapering of outer surface of swelling post is identical with the tapering on the swelling inclined-plane of positioning boss, when swelling post stretches into or exits, all the time fit with swelling inclined-plane, the contact area that increases the swelling inclined-plane of swelling post and positioning boss, reduces the wearing and tearing on swelling post and swelling inclined-plane, can increase the stability of swelling post to positioning boss swelling simultaneously. positioning boss is connected with positioning chuck one, when swelling post stretches into, utilizes swelling outer surface of column to exert pressure to the swelling inclined-plane of positioning boss, and then makes positioning boss that the skew of little displacement occur away from one end of positioning chuck. axially run through and be provided with locating dowel at positioning boss place, swelling pin is positioned in locating dowel and with locating dowel and coaxially arranges, when locating dowel is installed, locating dowel is run through to positioning boss, limiting stand in locating dowel can be spacing to locating dowel bottom, utilize locking nut locking on the top of locating dowel, utilize limiting stand and locking nut to clamp positioning boss, realize the installation of locating dowel and swelling pin. in like manner, screw off locking nut, locating dowel and swelling pin can be disassembled from positioning boss, be convenient to the replacing to locating dowel and swelling pin. prevent that swelling pin wearing and tearing from causing the offset deviation of clamping, and positioning boss, positioning chuck are without replacing, save cost. all positioning boss surround into a cylindrical structural, sheathed protective sleeve outside all positioning boss, and protective sleeve is the adjustable hooping structure of diameter. the maximum gauge scope of utilizing protective sleeve restriction positioning boss to expand outwardly, avoids swelling post excessively deeply to cause positioning boss excessive deformation even to rupture, and reduces the wearing and tearing between swelling post and positioning boss. positioning boss is taper seat away from a side of swelling post, protective sleeve is also taper seat near a side of positioning boss, and protective sleeve is connected with positioning boss outer surface thread, when protective sleeve is in the time that positioning chuck direction screws, the deflection of protective sleeve restriction positioning boss reduces, when protective sleeve is in the time that workpiece direction unscrews, the deflection of protective sleeve restriction positioning boss increases, while there is slight error in the fabrication hole on workpiece in process, the circle diameter that can consist of all positioning boss rotation protective sleeve is finely tuned, the position that ensures the swelling pin on positioning boss can be corresponding with fabrication hole position. positioning boss is located by the swelling of swelling post near the direction of axis, and positioning boss is protected by protective sleeve is fixing away from the direction of axis, ensures the stability of positioning boss, and then ensures the stability of swelling pin.
Should be understood that this embodiment is only not used in restriction scope of the present utility model for the utility model is described. In addition should be understood that those skilled in the art can make various changes or modifications the utility model after having read the content of the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (4)
1. an expansion tooling fixture, comprise the positioning chuck for fixation workpiece, it is characterized in that, on described positioning chuck, be provided with positioning boss around axis, on positioning boss, be provided with the swelling pin matching with the fabrication hole on workpiece, positioning boss is swelling inclined-plane near a side of positioning chuck axis, and run through and is provided with swelling post at the axis place of positioning chuck.
2. expansion tooling fixture according to claim 1, it is characterized in that, described positioning boss is connected with positioning chuck one, axially run through and be provided with locating dowel at positioning boss place, swelling pin is positioned in locating dowel and with locating dowel and coaxially arranges, locating dowel is provided with away from one end of swelling pin the limiting stand that diameter is greater than locating dowel, and locating dowel is provided with locking nut near one end of swelling pin.
3. expansion tooling fixture according to claim 2, is characterized in that, all positioning boss outsides are arranged with protective sleeve.
4. expansion tooling fixture according to claim 3, is characterized in that, described positioning boss is taper seat away from a side of swelling post, and protective sleeve is taper seat near a side of positioning boss and is threaded with positioning boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520966702.5U CN205237105U (en) | 2015-11-27 | 2015-11-27 | Tight frock clamp expands |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520966702.5U CN205237105U (en) | 2015-11-27 | 2015-11-27 | Tight frock clamp expands |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205237105U true CN205237105U (en) | 2016-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520966702.5U Active CN205237105U (en) | 2015-11-27 | 2015-11-27 | Tight frock clamp expands |
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| CN (1) | CN205237105U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116551351A (en) * | 2023-03-28 | 2023-08-08 | 瑞安市裕玺转向系统有限公司 | Axial expansion pin fastening structure for automobile power-assisted steering system |
-
2015
- 2015-11-27 CN CN201520966702.5U patent/CN205237105U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116551351A (en) * | 2023-03-28 | 2023-08-08 | 瑞安市裕玺转向系统有限公司 | Axial expansion pin fastening structure for automobile power-assisted steering system |
| CN116551351B (en) * | 2023-03-28 | 2023-10-20 | 瑞安市裕玺转向系统有限公司 | Axial expansion pin fastening structure for automobile power-assisted steering system |
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| GR01 | Patent grant |