CN103692265A - Clamp used for turning annular workpiece - Google Patents
Clamp used for turning annular workpiece Download PDFInfo
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- CN103692265A CN103692265A CN201310682292.7A CN201310682292A CN103692265A CN 103692265 A CN103692265 A CN 103692265A CN 201310682292 A CN201310682292 A CN 201310682292A CN 103692265 A CN103692265 A CN 103692265A
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- annular workpiece
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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
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
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Abstract
The invention discloses a clamp used for turning an annular workpiece. The clamp comprises a first positioning mechanism, a second positioning mechanism and a synchronizing mechanism, wherein the first positioning mechanism is used for positioning the annular workpiece (16) along the radial direction; the second positioning mechanism is used for positioning the annular workpiece (16) along the axial direction; the synchronizing mechanism is used for synchronously operating the first positioning mechanism and the second positioning mechanism. The radial positioning and the axial positioning are provided for the annular workpiece respectively by the first positioning mechanism and the second positioning mechanism, the annular workpiece can be stably clamped, and turning is facilitated; the radial and axial positioning is synchronously completed by the synchronizing mechanism, and the positioning accuracy is improved. The clamp is very suitable for turning the annular workpiece, in particular a thin annular workpiece with large diameter.
Description
Technical field
The present invention relates to machining, particularly, relate to a kind of fixture for turning annular workpiece.
Background technology
When turning processing annular workpiece (the particularly thin annular workpiece of major diameter), conventionally use to be processed of three-jaw chuck clamping.Because the thickness of the very thin annular workpiece of major diameter is little, clamping inconvenience easily produces crooked in clamping, and major diameter can be amplified crooked degree, cause location inaccurate, during turning, very easily there is the inhomogeneous problem of allowance on workpiece end face, the generation phenomenon of forging a knife, causes part to scrap.Therefore, three-jaw chuck is unsuitable for processing large diameter annular workpiece very much.
Summary of the invention
The object of this invention is to provide a kind of fixture for turning annular workpiece.
To achieve these goals, the invention provides a kind of fixture for turning annular workpiece, wherein, described fixture comprise the first detent mechanism for radially locating described annular workpiece, for locate vertically the second detent mechanism of described annular workpiece and for the first detent mechanism described in synchronization implementation and described the second detent mechanism to described annular workpiece location or the lazy-tongs that unclamp, described the first detent mechanism is for annular workpiece described in swelling radially, and described the second detent mechanism is for annular workpiece described in axial compression.
Preferably, described fixture comprises clamp body, described clamp body is along being circumferentially with a plurality of chutes, described the first detent mechanism comprises the slide block being contained in described chute, in described slide block, be provided with mounting groove, described the first detent mechanism also comprises and wears the first back-moving spring that described clamp body and its end convexedly stretch in the securing member in described mounting groove and be contained in described mounting groove, a wherein end of the end of described securing member and described the first back-moving spring connects, described slide block can carry over described chute and moving radially with swelling radially or unclamping described annular workpiece along described annular workpiece, described the first back-moving spring can provide along the restoring force that radially moves inward to unclamp described annular workpiece of described annular workpiece described slide block.
Preferably, described lazy-tongs comprise pull bar, tapered sleeve and binding nut, described tapered sleeve is set on described pull bar regularly, described pull bar is parallel to the axial setting of described annular workpiece and runs through described clamp body, the outer surface of described slide block and described tapered sleeve is slidably matched, described binding nut is bolted in the first end of described pull bar and forms screw-nut body with described pull bar, make when the described binding nut of rotation, described pull bar drives described tapered sleeve to move along the axial linear of described annular workpiece, and promote described slide block generation along the movement radially of described annular workpiece by described tapered sleeve.
Preferably, described the second detent mechanism comprise can be at described tapered sleeve along described annular workpiece spindle to the linearly moving while from one side compression of described binding nut place or unclamp the compressing member of the axial end of described annular workpiece.
Preferably, described tapered sleeve is set to small end near described binding nut, described compressing member is pressing plate, described lazy-tongs also comprise lever and eyelet bolt, described fixture also comprises with described clamp body in abutting connection with the first fixing housing, the second end of described pull bar is through described the first housing, one end of described lever is articulated with the second end of described pull bar, the other end is articulated with the movable joint hole of described eyelet bolt, described lever is also articulated with described the first housing, described the first housing and described clamp body have respectively coaxial the first axial through hole and the second through hole that are parallel to described annular workpiece, described eyelet bolt is through described the first through hole and the second through hole setting, described pressing plate is set in the end of described eyelet bolt and passes through nut axial restraint.
Preferably, described pressing plate comprises installation portion and the compressed part being fixed to one another, described installation portion stretches in the second through hole of described clamp body, and described compressed part is provided with for compressing the flange of described annular workpiece, between described the first housing and described installation portion, is provided with the second back-moving spring.
Preferably, described fixture comprises many groups of described pressing plates, lever and eyelet bolts along the circumferential setting of described annular workpiece, and these many groups described pressing plates, lever and eyelet bolts and a plurality of described slide block are along the setting of circumferentially staggering of described annular workpiece.
Preferably, the edge of the end face of described clamp body is provided with the swivelling chute that allows described pressing plate rotation.
Preferably, described fixture also comprises the second housing arranging in abutting connection with described the first housing, described the first housing is removably connected with described the second housing, described the second housing is provided with for being clamped in the first clamping part on lathe, and described the first housing and described clamp body adjoining position are provided with locating ring.
Preferably, described tapered sleeve is set to small end near described binding nut, described compressing member is platen, the middle part of described platen is set on described pull bar slidably, described platen is between described binding nut and described clamp body, thereby when screwing described folder nut, described platen can be by annular workpiece described in the edge axial compression of described platen.
Preferably, described platen comprises the flat part at the center that is positioned at described platen, the press flange at edge that is positioned at described platen and the connecting portion that connects described press flange and described flat part, described connecting portion forms the taper towards flat part convergent from the press flange of described platen, and described press flange is outstanding away from described binding nut vertically from described connecting portion.
Preferably, described fixture also comprises the 3rd housing arranging in abutting connection with described clamp body, described clamp body is removably connected with described the 3rd housing, described the 3rd housing is provided with for being clamped in the second clamping part on lathe, and described the 3rd housing and described clamp body adjoining position are provided with locating ring.
By technique scheme, can by the first detent mechanism and the second detent mechanism, to annular workpiece, provide radial and axial location respectively, firmly to clamp annular workpiece, so that turning; By lazy-tongs, can synchronously complete radial and axial location, improve positioning precision.Fixture of the present invention is very suitable for the thin annular workpiece of turning processing annular workpiece, particularly major diameter.
Other features and advantages of the present invention partly in detail are described the specific embodiment subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide a further understanding of the present invention, and forms a part for description, is used from explanation the present invention, but is not construed as limiting the invention with the specific embodiment one below.In the accompanying drawings:
Fig. 1 is the front view that a kind of embodiment of the fixture for turning annular workpiece of the present invention is described;
Fig. 2 is the cutaway view along Fig. 1 middle polyline A-A intercepting;
Fig. 3 is the front view that the another kind of embodiment of the fixture for turning annular workpiece of the present invention is described;
Fig. 4 is the cutaway view along Fig. 3 center line B-B intercepting.
Description of reference numerals
1 clamp body 2 slide block 3 securing member 4 first back-moving springs
5 pressing plate 5a installation portion 5b compressed part 6 pull bars
7 tapered sleeve 8 lever 9 eyelet bolt 10 binding nuts
11 first housing 12 second back-moving spring 13 swivelling chutes
14 second housing 14a the first clamping part 15 locating rings
16 annular workpiece 17 spacer 18 hinged seats
19 platen 19a flat part 19b press flange 19c connecting portions
20 the 3rd housing 20a the second clamping parts
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
In the present invention, in the situation that not doing contrary explanation, the noun of locality of use typically refers to reference to upper and lower, left and right shown in the drawings as " upper and lower, left and right "; " inside and outside " refers to inside and outside with respect to the profile of each parts itself.
The invention provides a kind of fixture for turning annular workpiece (hereinafter to be referred as fixture), wherein, described fixture comprise the first detent mechanism for radially locating described annular workpiece 16, for locating vertically the second detent mechanism of described annular workpiece 16 and for synchronous described the first detent mechanism and the location of described the second detent mechanism or the lazy-tongs that unclamp.
Use fixture of the present invention, can by the first detent mechanism and the second detent mechanism, to annular workpiece 16, provide radial and axial location respectively, firmly to clamp annular workpiece, so that turning; By lazy-tongs, can synchronously complete radial and axial location, thereby improve positioning precision.
Wherein, the first detent mechanism can be implemented radial location by the active force that annular workpiece 16 is applied radially.Preferably, described the first detent mechanism, for annular workpiece 16 described in swelling radially, namely applies radially outer power to annular workpiece 16.Described the second detent mechanism is for annular workpiece 16 described in axial compression.
The first detent mechanism of the present invention can adopt various suitable forms, as long as can provide radially outer power to implement radial location to annular workpiece 16.In the preferred embodiment of the present invention, as shown in Figure 2, described fixture comprises clamp body 1, described clamp body 1 is along being circumferentially with a plurality of chutes, described the first detent mechanism comprises the slide block 2 being contained in described chute, in described slide block 2, be provided with mounting groove, described the first detent mechanism also comprises and wears the first back-moving spring 4 that described clamp body 1 and its end convexedly stretch in the securing member 3 in described mounting groove and be contained in described mounting groove, a wherein end of the end of described securing member 3 and described the first back-moving spring 4 connects, described slide block 2 can carry over described chute and moving radially with swelling radially or unclamping described annular workpiece 16 along described annular workpiece 16, described the first back-moving spring 4 can provide along the restoring force that radially moves inward to unclamp described annular workpiece 16 of described annular workpiece 16 described slide block 2.Wherein, slide block 2 can drive by suitable mode, and can be returned to initial position at the restoring force radially outward moving from initial position (the first back-moving spring 4 position in the raw) and provide by the first back-moving spring 4 fixture unclamps annular workpiece 16.
Wherein, can make described mounting groove along the radially setting of described annular workpiece 16, to provide restoring force radially by the first back-moving spring 4.
In addition, can adopt various suitable lazy-tongs to drive moving radially of slide block 2.For example, in the embodiment shown in Fig. 2 and Fig. 4, described lazy-tongs comprise pull bar 6, tapered sleeve 7 and binding nut 10, described tapered sleeve 7 is set on described pull bar 6 regularly, described pull bar 6 is parallel to the axial setting of described annular workpiece 16 and runs through described clamp body 1, described slide block 2 is slidably matched with the outer surface of described tapered sleeve 7, described binding nut 10 is bolted in the first end of described pull bar 6 and forms screw-nut body with described pull bar 6, make when the described binding nut 10 of rotation, described pull bar 6 drives described tapered sleeve 7 to move (described tapered sleeve 7 circumferentially regularly (for example key connection) is located in described clamp body 1 and can moves axially with respect to described clamp body 1) along the axial linear of described annular workpiece 16, and promote by described tapered sleeve 7 movement radially that described slide block 2 produces along described annular workpiece 16.
In addition, preferably, described the second detent mechanism comprise can be when described tapered sleeve 7 moves along described annular workpiece 16 axial linear from described binding nut 10 place one side compressions or unclamp the compressing member of the axial end of described annular 16 workpiece.Wherein, can make described tapered sleeve 7 be set to small end near described binding nut 10, that is to say, when tapered sleeve 7 is when binding nut 10 moves (moving right in Fig. 2 and Fig. 4), will be with movable slider 2 radially outward to move, to implement radial location; When tapered sleeve 7 moves (being moved to the left in Fig. 2 and Fig. 4) away from binding nut 10, band movable slider 2 is radially moved inward, to unclamp radial location.Wherein, described the second detent mechanism can comprise can described tapered sleeve 7 when described binding nut 10 moves along described annular workpiece 16 axially from the side at described binding nut 10 places towards described clamp body 1 move and when described tapered sleeve 7 moves away from described binding nut 10 along the compressing member axially moving away from described clamp body 1 of described annular workpiece 16, thereby can be when slide block 2 radially outward moves with swelling annular workpiece 16, by compressing member axial compression annular workpiece 16, and when slide block 2 radially moves inward radially to unclamp annular workpiece 16, make compressing member axially unclamp annular workpiece 16.
In addition, compressing member can adopt various suitable forms, as long as can provide axial force to implement axial location to annular workpiece 16.According to multi-form compressing member, lazy-tongs can be realized by different modes the simultaneously operating of compressing member and slide block 2.
In the embodiment shown in Fig. 1 and Fig. 2, described compressing member is pressing plate 5, described lazy-tongs also comprise lever 8 and eyelet bolt 9, described fixture also comprises with described clamp body 1 in abutting connection with the first fixing housing 11, the second end of described pull bar 6 is through described the first housing 11, one end of described lever 8 is articulated with the second end of described pull bar 6, the other end is articulated with the movable joint hole of described eyelet bolt 9, described lever 8 is also articulated with described the first housing 11(for example by being fixed on the hinged seat 18 on the first housing 11), described the first housing 11 and described clamp body 1 have respectively coaxial the first axial through hole and the second through hole that are parallel to described annular workpiece 16, described eyelet bolt 9 is through described the first through hole and the second through hole setting, described pressing plate 5 is set in the end of described eyelet bolt 9 and passes through nut axial restraint.Thus, can pass through rotating clip jack panel 10, realize moving radially of slide block 2 and moving axially of pressing plate 5 simultaneously, thereby annular workpiece 16 implemented simultaneously or unclamped radially swelling location and axial compression location.
Wherein, because the rotational angle of lever 8 is very little, tapered sleeve 7 for wearing between the through hole of pull bar 6 and pull bar 6, there is enough gaps, and between the first through hole and the second through hole and eyelet bolt 9, also there is enough gaps, thereby allow described pull bar 6 and described eyelet bolt 9 to do the reverse movement being roughly parallel to each other.When rotating clamp jack panel 10, pull bar 6 can carry out Linear-moving roughly, thereby drives tapered sleeve 7 Linear-moving pull eyelet bolt 9 to carry out almost parallel and reverse movement by lever 8 together.Wherein, the movement of tapered sleeve 7 will cause moving radially of slide block 2, and the movement of eyelet bolt 9 is by moving axially with dynamic pressure plate 5.
Particularly, when rotating clamp jack panel 10, so that pull bar 6 while moving along direction from left to right in Fig. 2, tapered sleeve 7 also moves from left to right, makes radially outward mobile and swelling annular workpiece 16 of slide block 2, implements radial location; Meanwhile, lever 8 rotates around the pin joint with the first housing 11, and eyelet bolt 9 is moved from right to left, and band dynamic pressure plate 5 moves towards annular workpiece 16, thereby axial grip annular workpiece 16 is implemented axial location.Wherein, fixture of the present invention can be set according to the specification of the annular workpiece 16 of institute turning processing, makes when slide block 2 moves to radially swelling annular workpiece 16, and pressing plate 5 is axial compression annular workpiece 16 just also, reaches location simultaneously.Under state shown in Fig. 2, fixture of the present invention is just just in obtain axially and the position of radial location, i.e. position location annular workpiece 16 simultaneously.
On the contrary, when rotating clamp jack panel 10, so that pull bar 6 while moving along direction from right to left in Fig. 2, tapered sleeve 7 also moves from right to left, slide block 2 is radially moved inward and unclamp the radial location to annular workpiece 16; Meanwhile, lever 8 rotates around the pin joint with the first housing 11, and eyelet bolt 9 is moved from left to right, and band dynamic pressure plate 5 moves away from annular workpiece 16, thus the axial location of unclamping annular workpiece 16.
In addition, preferably, described pressing plate 5 can comprise installation portion 5a and tabular compressed part 5b, described compressed part 5b implements to compress from the outside of described clamp body 1, described installation portion 5a stretches into the second through hole of described clamp body 1, described compressed part 5b is provided with for compressing the flange of described annular workpiece 16, between described the first housing 11 and described installation portion 5b, is provided with the second back-moving spring 12.Thus, can be by the reset of the auxiliary pressing plates 5 of the second back-moving spring 12, make pressing plate 5 can be from position location rapidly, reset reposefully.
Preferably, the edge of the end face of described clamp body 1 is provided with the swivelling chute 13 that allows described pressing plate 5 rotations, thereby clamp body 1 can not rotate with respect to eyelet bolt 9 by pressing plate 5, so that mounting circular ring shape workpiece 16.In addition, two extreme positions of swivelling chute 13 can be set as respectively to the position that compresses and unclamp annular workpiece 16 corresponding to pressing plate 5.For example, the position at Fig. 1 center platen 5 places is the extreme position that swivelling chute 13 allows pressing plates 5 to turn clockwise and can reach, in this position, pressing plate 5 can axial compression on annular workpiece 16.
Preferably, for ease of evenly applying axial pressing force, described fixture can comprise many groups of described pressing plates 5, lever 8 and eyelet bolts 9 along the circumferential setting of described annular workpiece 16, these many groups described pressing plates 5, lever 8 and eyelet bolts 9 and a plurality of described slide blocks 2 are along the setting of circumferentially staggering of described annular workpiece 16, so that the layout of clamp body 1 upper hopper chute and each through hole.Wherein, pressing plate 5(and lever 8, eyelet bolt) quantity and the quantity of slide block 2 can be identical or different, as long as can implement uniformly radially swelling and by the uniform axial compression of a plurality of pressing plates 5 enforcement by a plurality of slide blocks 2.For example, in the embodiment shown in Fig. 1, the quantity of pressing plate 5 is four, and slide block 2 is also four, and pressing plate 5 and slide block 2 are along the circumferential equal angles interval setting interlaced with each other of annular workpiece 16.Understandably, also each pressing plate 5, slide block 2 otherwise can be crisscross arranged, as long as be convenient to the layout of clamp body 1 upper hopper chute and each through hole.
In addition, as shown in Figure 2, described fixture also comprises the second housing 14 arranging in abutting connection with described the first housing 11, and described the first housing 11 is removably connected with described the second housing 14.When fixture of the present invention is installed, can first associated components be assembled to the first housing 11, then the second housing 14 be fixed to the first housing 11, to encapsulate associated components (such as the second end of pull bar 6, lever 8 etc.).
In addition, described the second housing 14 can be provided with for being clamped in the first clamping part 14a on lathe, to clamp by lathe when turning.And described the first housing 11 can be provided with locating ring 15 with described clamp body 1 adjoining position, thus together with pressing plate 5 axial grip annular workpiece 16.During component location guide annular workpieces 16, can pass through the locating ring 5 laminatings end face of adjacent annular workpiece 16 with it, to carry out pre-determined bit.
Understandably, as shown in Figure 2, a plurality of annular workpiece 16 can be installed between locating ring 15 and pressing plate 5, can be spaced apart by spacer 17 between adjacent two annular workpiece 16, thereby a plurality of annular workpiece 16 of turning simultaneously, improve working (machining) efficiency greatly.
In another embodiment shown in Fig. 3 and Fig. 4, described compressing member is platen 19, the middle part of described platen 19 is set on described pull bar 6 slidably, described platen 19 is between described binding nut 10 and described clamp body 1, thereby when screwing described folder nut 10, described platen 19 can be by annular workpiece 16 described in the edge axial compression of described platen 19.Particularly, when rotating clamp jack panel 10, so that pull bar 6 while moving along direction from left to right in Fig. 4, tapered sleeve 7 also moves from left to right, makes radially outward mobile and swelling annular workpiece 16 of slide block 2, implements radial location; Meanwhile, in the process of rotating clamp jack panel 10, make binding nut 10 hold out against all the time platen 19, thus make binding nut 10 when rotating, also produce along Linear-moving from right to left in Fig. 4 and thereby by platen 19 axial compression in annular workpiece 16.Under state shown in Fig. 4, fixture of the present invention is just just in obtain axially and the position of radial location, i.e. position location annular workpiece 16 simultaneously.
On the contrary, when rotating clamp jack panel 10, so that pull bar 6 while moving along direction from right to left in Fig. 4, tapered sleeve 7 also moves from right to left, slide block 2 is radially moved inward and unclamp the radial location to annular workpiece 16; Meanwhile, in the process of rotating clamp jack panel 10, make binding nut 10 when rotating, also produce along Linear-moving from left to right in Fig. 4 and thereby unclamp the axial compression to platen 19, thereby unclamp the axial location to annular workpiece 16.
Wherein, platen 19 can have the structure making separately, so that holding out against and unclamping and annular workpiece 16 is implemented compress and unclamp by binding nut 10.Preferably, as shown in Figure 4, described platen 19 comprise be positioned at described platen 19 center flat part 19a, be positioned at described platen 19 edge press flange 19b and connect described press flange 19b and the connecting portion 19c of described flat part 19a, described connecting portion 19c forms the taper towards flat part 19a convergent from the press flange 19b of described platen 19, and described press flange 19b is outstanding away from described binding nut 10 vertically from described connecting portion 19c.By being located at flat part 19a at platen 19 center, be conducive to holding out against of binding nut 10; By the edge at platen 19, press flange 19b is set, the shape that is conducive to corresponding circle annular workpieces 16 applies axial force; By the connecting portion 19c of taper is set, the pressure that is conducive to that binding nut 10 is applied at platen 19 centers is passed to platen 19 edges.
Preferably, as shown in Figure 4, described fixture also comprises the 3rd housing 20 arranging in abutting connection with described clamp body 1, and described clamp body 1 is removably connected with described the 3rd housing 20.When fixture of the present invention is installed, can first associated components be assembled to clamp body 1, then the 3rd housing 20 be fixed to clamp body 1, to encapsulate associated components (such as second end of pull bar 6 etc.).
In addition, similar with the embodiment shown in Fig. 1 and Fig. 2, described the 3rd housing 20 can be provided with for being clamped in the second clamping part 20a on lathe, to clamp by lathe when turning.And described the 3rd housing 20 is provided with locating ring 15 with described clamp body 1 adjoining position, thus together with platen 19 axial grip annular workpiece 16.During component location guide annular workpieces 16, can pass through the locating ring 5 laminatings end face of adjacent annular workpiece 16 with it, to carry out pre-determined bit.
Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can combine by any suitable mode.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible combinations.
In addition, between various embodiment of the present invention, also can be combined, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (12)
1. the fixture for turning annular workpiece, it is characterized in that, described fixture comprises the first detent mechanism for radially locating described annular workpiece (16), for locating vertically the second detent mechanism of described annular workpiece (16) and the lazy-tongs of described annular workpiece (16) being located or being unclamped for the first detent mechanism described in synchronization implementation and described the second detent mechanism, described the first detent mechanism is for annular workpiece (16) described in swelling radially, and described the second detent mechanism is for annular workpiece (16) described in axial compression.
2. the fixture for turning annular workpiece according to claim 1, it is characterized in that, described fixture comprises clamp body (1), described clamp body (1) is along being circumferentially with a plurality of chutes, described the first detent mechanism comprises the slide block (2) being contained in described chute, described slide block is provided with mounting groove in (2), described the first detent mechanism also comprises and wears the first back-moving spring (4) that described clamp body (1) and its end convexedly stretch in the securing member (3) in described mounting groove and be contained in described mounting groove, a wherein end of the end of described securing member (3) and described the first back-moving spring (4) connects, described slide block (2) can carry over described chute and moving radially with swelling radially or unclamping described annular workpiece (16) along described annular workpiece (16), described the first back-moving spring (4) can provide the restoring force that radially moves inward to unclamp described annular workpiece (16) along described annular workpiece (16) to described slide block (2).
3. the fixture for turning annular workpiece according to claim 2, it is characterized in that, described lazy-tongs comprise pull bar (6), tapered sleeve (7) and binding nut (10), described tapered sleeve (7) is set on described pull bar (6) regularly, described pull bar (6) is parallel to the axial setting of described annular workpiece (16) and runs through described clamp body (1), described slide block (2) is slidably matched with the outer surface of described tapered sleeve (7), described binding nut (10) is bolted in the first end of described pull bar (6) and forms screw-nut body with described pull bar (6), make when the described binding nut of rotation (10), described pull bar (6) drives described tapered sleeve (7) to move along the axial linear of described annular workpiece (16), and promote described slide block (2) generation along the movement radially of described annular workpiece (16) by described tapered sleeve (7).
4. the fixture for turning annular workpiece according to claim 3, it is characterized in that, described the second detent mechanism comprise can be when described tapered sleeve (7) moves along described annular workpiece (16) axial linear from described binding nut (10) place one side compression or unclamp the compressing member of the axial end of described annular (16) workpiece.
5. the fixture for turning annular workpiece according to claim 4, it is characterized in that, described tapered sleeve (7) is set to small end near described binding nut (10), described compressing member is pressing plate (5), described lazy-tongs also comprise lever (8) and eyelet bolt (9), described fixture also comprises with described clamp body (1) in abutting connection with fixing the first housing (11), the second end of described pull bar (6) is through described the first housing (11), one end of described lever (8) is articulated with the second end of described pull bar (6), the other end is articulated with the movable joint hole of described eyelet bolt (9), described lever (8) is also articulated with described the first housing (11), described the first housing (11) and described clamp body (1) have respectively coaxial the first axial through hole and the second through hole that are parallel to described annular workpiece (16), described eyelet bolt (9) is through described the first through hole and the second through hole setting, described pressing plate (5) is set in the end of described eyelet bolt (9) and passes through nut axial restraint.
6. the fixture for turning annular workpiece according to claim 5, it is characterized in that, described pressing plate (5) comprises installation portion (5a) and the compressed part (5b) being fixed to one another, described installation portion (5a) stretches in the second through hole of described clamp body (1), described compressed part (5b) is provided with for compressing the flange of described annular workpiece (16), between described the first housing (11) and described installation portion (5b), is provided with the second back-moving spring (12).
7. according to the fixture for turning annular workpiece described in claim 5 or 6, it is characterized in that, described fixture comprises many groups of described pressing plates (5), lever (8) and the eyelet bolt (9) along the circumferential setting of described annular workpiece (16), these many groups described pressing plates (5), lever (8) and eyelet bolt (9) and circumferentially the stagger setting of a plurality of described slide blocks (2) along described annular workpiece (16).
8. according to the fixture for turning annular workpiece described in claim 5 or 6, it is characterized in that, the edge of the end face of described clamp body (1) is provided with the swivelling chute (13) that allows described pressing plate (5) rotation.
9. the fixture for turning annular workpiece according to claim 6, it is characterized in that, described fixture also comprises the second housing (14) arranging in abutting connection with described the first housing (11), described the first housing (11) is removably connected with described the second housing (14), described the second housing (14) is provided with for being clamped in the first clamping part (14a) on lathe, and described the first housing (11) is provided with locating ring (15) with described clamp body (1) adjoining position.
10. the fixture for turning annular workpiece according to claim 4, it is characterized in that, described tapered sleeve (7) is set to small end near described binding nut (10), described compressing member is platen (19), the middle part of described platen (19) is set on described pull bar (6) slidably, described platen (19) is positioned between described binding nut (10) and described clamp body (1), thereby when screwing described folder nut (10), described platen (19) can be by annular workpiece (16) described in the edge axial compression of described platen (19).
11. fixtures for turning annular workpiece according to claim 10, it is characterized in that, described platen (19) comprises the flat part (19a) at the center that is positioned at described platen (19), be positioned at described platen (19) edge press flange (19b) and connect described press flange (19b) and the connecting portion (19c) of described flat part (19a), described connecting portion (19c) forms the taper towards flat part (19a) convergent from the press flange (19b) of described platen (19), described press flange (19b) is outstanding away from described binding nut (10) vertically from described connecting portion (19c).
12. according to the fixture for turning annular workpiece described in claim 10 or 11, it is characterized in that, described fixture also comprises the 3rd housing (20) arranging in abutting connection with described clamp body (1), described clamp body (1) is removably connected with described the 3rd housing (20), described the 3rd housing (20) is provided with for being clamped in the second clamping part (20a) on lathe, and described the 3rd housing (20) is provided with locating ring (15) with described clamp body (1) adjoining position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310682292.7A CN103692265B (en) | 2013-12-12 | Fixture for turning annular workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310682292.7A CN103692265B (en) | 2013-12-12 | Fixture for turning annular workpiece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103692265A true CN103692265A (en) | 2014-04-02 |
| CN103692265B CN103692265B (en) | 2016-11-30 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400499A (en) * | 2014-11-26 | 2015-03-11 | 济南大学 | Novel drill jig for processing radial hole of bar |
| CN104924135A (en) * | 2015-06-26 | 2015-09-23 | 东方电气集团东方汽轮机有限公司 | Clamp for finish-turning inner and outer circles of open circular ring work piece and finish-turning method by the use of clamp |
| CN105252326A (en) * | 2015-11-12 | 2016-01-20 | 中国南方航空工业(集团)有限公司 | Positioning support device |
| CN105345502A (en) * | 2015-12-09 | 2016-02-24 | 珠海罗西尼表业有限公司 | Circular work piece clamp |
| CN105618804A (en) * | 2016-03-19 | 2016-06-01 | 鄞楠 | Plane milling hole expansion fixture of casting |
| CN106363252A (en) * | 2016-11-04 | 2017-02-01 | 浙江工贸职业技术学院 | Hobbing clamp for clamping multiple big gear ring parts |
| CN107008932A (en) * | 2016-01-28 | 2017-08-04 | 焱智精密机械（上海）有限公司 | Frock clamp |
| CN110842774A (en) * | 2019-11-29 | 2020-02-28 | 株洲钻石切削刀具股份有限公司 | Self-adaptive grinding clamp |
| CN111230147A (en) * | 2020-03-04 | 2020-06-05 | 浙江宏利汽车零部件股份有限公司 | Lathe for processing retainer |
| CN112025341A (en) * | 2020-09-04 | 2020-12-04 | 淮南沃力特流体设备有限公司 | Stop valve flange facing positioning fixture |
| CN113319629A (en) * | 2021-06-01 | 2021-08-31 | 常州机电职业技术学院 | Lathe fixture for machining transmission case shell parts |
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| CN202964106U (en) * | 2012-12-07 | 2013-06-05 | 綦江齿轮传动有限公司 | Tension fixture for machining plate-type workpieces |
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| JP2003048133A (en) * | 2002-07-26 | 2003-02-18 | Toyota Motor Corp | Tool holder device |
| CN2803613Y (en) * | 2004-10-29 | 2006-08-09 | 中原工学院 | Offset regulatable clamp |
| CN201073738Y (en) * | 2007-09-17 | 2008-06-18 | 济南一机床集团有限公司 | Lathe fixture |
| CN201073739Y (en) * | 2007-09-28 | 2008-06-18 | 济南一机床集团有限公司 | Numerical control vertical lathe fixture |
| CN201645194U (en) * | 2010-04-22 | 2010-11-24 | 四川柳河齿轮有限公司 | Clamping device for processing of excircle thin wall part |
| CN202964106U (en) * | 2012-12-07 | 2013-06-05 | 綦江齿轮传动有限公司 | Tension fixture for machining plate-type workpieces |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400499A (en) * | 2014-11-26 | 2015-03-11 | 济南大学 | Novel drill jig for processing radial hole of bar |
| CN104924135A (en) * | 2015-06-26 | 2015-09-23 | 东方电气集团东方汽轮机有限公司 | Clamp for finish-turning inner and outer circles of open circular ring work piece and finish-turning method by the use of clamp |
| CN105252326B (en) * | 2015-11-12 | 2018-08-07 | 中国南方航空工业(集团)有限公司 | Position tightening device |
| CN105252326A (en) * | 2015-11-12 | 2016-01-20 | 中国南方航空工业(集团)有限公司 | Positioning support device |
| CN105345502A (en) * | 2015-12-09 | 2016-02-24 | 珠海罗西尼表业有限公司 | Circular work piece clamp |
| CN105345502B (en) * | 2015-12-09 | 2017-09-29 | 珠海罗西尼表业有限公司 | Round piece fixture |
| CN107008932B (en) * | 2016-01-28 | 2019-01-04 | 上海阿为特精密机械股份有限公司 | Frock clamp |
| CN107008932A (en) * | 2016-01-28 | 2017-08-04 | 焱智精密机械（上海）有限公司 | Frock clamp |
| CN105618804A (en) * | 2016-03-19 | 2016-06-01 | 鄞楠 | Plane milling hole expansion fixture of casting |
| CN106363252A (en) * | 2016-11-04 | 2017-02-01 | 浙江工贸职业技术学院 | Hobbing clamp for clamping multiple big gear ring parts |
| CN110842774A (en) * | 2019-11-29 | 2020-02-28 | 株洲钻石切削刀具股份有限公司 | Self-adaptive grinding clamp |
| CN110842774B (en) * | 2019-11-29 | 2021-03-23 | 株洲钻石切削刀具股份有限公司 | Self-adaptive grinding clamp |
| CN111230147A (en) * | 2020-03-04 | 2020-06-05 | 浙江宏利汽车零部件股份有限公司 | Lathe for processing retainer |
| CN112025341A (en) * | 2020-09-04 | 2020-12-04 | 淮南沃力特流体设备有限公司 | Stop valve flange facing positioning fixture |
| CN112025341B (en) * | 2020-09-04 | 2022-02-01 | 淮南沃力特流体设备有限公司 | Stop valve flange facing positioning fixture |
| CN113319629A (en) * | 2021-06-01 | 2021-08-31 | 常州机电职业技术学院 | Lathe fixture for machining transmission case shell parts |
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