CN214162121U - Lathe positioning fixture - Google Patents
Lathe positioning fixture Download PDFInfo
- Publication number
- CN214162121U CN214162121U CN202120034849.6U CN202120034849U CN214162121U CN 214162121 U CN214162121 U CN 214162121U CN 202120034849 U CN202120034849 U CN 202120034849U CN 214162121 U CN214162121 U CN 214162121U
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- Prior art keywords
- clamping jaw
- hole
- stand
- lathe
- sliding block
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- 230000004323 axial length Effects 0.000 claims abstract description 11
- 239000000725 suspension Substances 0.000 claims description 7
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000003754 machining Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses an anchor clamps for lathe location, including the chuck base, be provided with many grooves of sliding in the upper surface of chuck base, and be provided with a sliding block at every inslot portion of sliding, in sliding block upper surface rotatable coupling has the clamping jaw, the fixed stand that is provided with of sliding block upper surface salient, correspond the stand on the clamping jaw and be provided with first through-hole, the clamping jaw is established on the stand through first through-hole cover, the axial length of stand is greater than the axial length of first through-hole, and the clamping jaw can be followed the axis rotation of stand and locking. The utility model discloses an adjustment clamping jaw turned angle on the sliding block, the shape of cooperation clamping jaw self simultaneously realizes the location of different special-shaped work pieces, has improved lathe positioning fixture's commonality, and then has improved the utilization ratio of lathe.
Description
Technical Field
The utility model relates to a lathe positioning fixture technical field especially relates to a lathe is anchor clamps for location.
Background
The lathe is a very common machining tool in the industrial machining field, and can realize a lot of complicated machining processes, but in practical application, because current lathe fixture can only clamp regular parts such as axle class, the clamping of leading to a lot of special-shaped parts is difficult, because lathe fixture's limitation to must use more complicated machining center can accomplish the machining process, can not more fully utilize lathe tool, lead to the wasting of resources.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an anchor clamps are used in lathe location solves the lathe fixture among the prior art and can only the problem of clamping rule spare part.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model discloses a lathe positioning fixture, which comprises a chuck base, wherein a plurality of sliding grooves are arranged on the upper surface of the chuck base, a sliding block is arranged in each sliding groove, and the upper surface of each sliding block is rotatably connected with a clamping jaw; the fixed stand that is provided with of sliding block upper surface salient, correspond on the clamping jaw the stand is provided with first through-hole, the clamping jaw passes through first through-hole cover is established on the stand, the axial length of stand is greater than the axial length of first through-hole, just the clamping jaw can be followed the axis of stand rotates and the locking.
Furthermore, the periphery of the upright post is provided with steps, the diameter of the cross section of the upper part of the upright post is smaller than that of the cross section of the lower part of the upright post, the diameter of the cross section of the lower part of the upright post is larger than or equal to that of the cross section of the first through hole of the clamping jaw, and the axial length of the upper part of the upright post is larger than that of the first through hole of the clamping jaw.
Further, in the week side of stand lower part is provided with a plurality of archs, with protruding complex the clamping jaw be provided with a plurality of recesses on the inner wall of first through-hole.
Still further, in the week side of stand lower part is directional stand axis symmetry is provided with first blind hole, in first blind hole bottom fixed connection elastic component, elastic component's other end fixedly connected with ejector pad makes the ejector pad can with the clamping jaw first through-hole inner wall butt.
Furthermore, one end, far away from the elastic component, of the upper surface of the push block is provided with a wedge angle.
Furthermore, a first rotating mark is arranged on the upper surface of the clamping jaw in a direction pointing to the upright column, and a second rotating mark is radially arranged on the upper surface of the upright column.
Further, in the fixed rack that slides that is provided with of sliding block bottom face, in chuck base week side is directional the groove of sliding is provided with the second through-hole, in coaxial rotatable dwang that is provided with in the second through-hole, the dwang end is provided with the running gear, makes the running gear with the rack intermeshing cooperation that slides.
Still further, still include supplementary centre gripping structure, supplementary centre gripping structure includes dead lever and supporting rod, the dead lever with chuck base fixed connection upwards extends the suspension end, the one end of supporting rod can be followed the suspension end of dead lever reciprocates, the other pot head of supporting rod is established the stand top, in the supporting rod middle part to chuck base is provided with the screw, just the supporting rod accessible screw and chuck base fixed connection.
Compared with the prior art, the utility model discloses a beneficial technological effect: the clamping of workpieces in various shapes can be met, the universality and the applicability of the lathe fixture are improved, and the utilization efficiency of lathe resources is improved.
The utility model discloses an anchor clamps for lathe location can follow the sliding block upper surface rotation through the clamping jaw for the clamping jaw can carry out the regulation of angle, utilizes the shape characteristic of clamping jaw self can satisfy the clamping of different shapes work piece, has improved lathe positioning fixture's commonality, and then has improved the utilization ratio of lathe.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
Fig. 1 is a schematic perspective view of a lathe positioning jig of the present invention;
fig. 2 is a schematic structural view of a top view of a use state of the lathe positioning jig of the present invention;
fig. 3 is a schematic structural plan view of another use state of the lathe positioning jig of the present invention;
fig. 4 is a schematic structural view of a sliding block and a rotating rod of the lathe positioning fixture of the present invention;
fig. 5 is a cross-sectional view of an embodiment of the lathe positioning jig of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 at A;
fig. 7 is a cross-sectional view of another embodiment of the lathe positioning jig of the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 7 at B;
fig. 9 is a schematic top view of another embodiment of the lathe positioning jig of the present invention.
Description of reference numerals: 1. a chuck base; 11. a sliding groove; 12. a second through hole; 13. rotating the rod; 131. a rotating gear; 14. fixing the rod; 15. a clamping rod; 16. a screw; 2. a sliding block; 21. a sliding rack; 22. a column; 23. a second rotation identifier; 24. a groove; 25. a protrusion; 26. a first blind hole; 27. an elastic component; 28. a push block; 3. a clamping jaw; 31. a first rotation identifier; 32. a first through hole; 4. and (5) a workpiece.
Detailed Description
As shown in fig. 1 to 4, a lathe positioning fixture, wherein fig. 2 to 4 are schematic diagrams omitting an auxiliary clamping structure, and include a chuck base 1, a plurality of sliding grooves 11 are provided on an upper surface of the chuck base 1, the plurality of sliding grooves 11 all point to a geometric center of the upper surface of the chuck base 1, and a sliding block 2 is provided inside each sliding groove 11, a clamping jaw 3 is rotatably connected on an upper surface of the sliding block 2, the sliding block 2 can move along the sliding groove 11 close to an axis of the chuck base 1 and far away from the axis of the chuck base 1, so as to realize movement of the clamping jaw 3, and positioning and clamping of a workpiece 4 are realized through cooperation of the clamping jaw and the workpiece 4.
Specifically, a first rotating mark 31 is arranged on the upper surface of the clamping jaw 3 in a direction pointing to the upright post 22, a second rotating mark 23 is arranged on the upper surface of the upright post 22 in a radial direction, when the clamping jaw 3 rotates along the upper surface of the sliding block 2, the rotating angle of the clamping jaw 3 can be adjusted according to the position relation between the first rotating mark 31 and the second rotating mark 23, and the shapes of positioning spaces defined by the clamping jaws 3 are different according to different rotating angles of the clamping jaw 3 and different shapes of the clamping jaw 3, so that clamping of workpieces 4 with different shapes is realized; specifically, clamping jaw 3 can set up to the arch shape parallel with chuck base 1, and it has the triangle-shaped arch to stick out to one side at the arch base, when the directional upper surface geometric centre of chuck base 1 in arch dome top of all clamping jaws 3, circular or oval work piece 4 can be fixed a position to clamping jaw 3, when the upper surface geometric centre of chuck base 1 is aimed at to the arch flat bed face of all clamping jaws 3, small-size rectangular work piece 4 can be fixed a position to clamping jaw 3, when the upper surface geometric centre of chuck base 1 is aimed at to the arch lateral wall of all clamping jaws 3, large-size rectangular work piece 4 can be fixed a position to clamping jaw 3, when the position of clamping jaw 3 becomes other angles with skid 2 and puts, other special-shaped work piece 4 can be fixed a position to clamping jaw 3.
Specifically, 2 bottom end faces at the sliding block are fixedly provided with sliding rack 21, directional sliding groove 11 is provided with second through hole 12 around chuck base 1, coaxial rotatable dwang 13 that is provided with in second through hole 12, dwang 13 extends to 2 bottoms at the sliding block through second through hole 12, be provided with rotating gear 131 at the dwang 13 end, rotating gear 131 and sliding rack 21 intermeshing cooperation, when rotating dwang 13 is rotated, drive rotating gear 131 and rotate, thereby make and move with rotating gear 131 meshing sliding rack 21, thereby realize the removal of sliding block 2 in sliding groove 11.
Specifically, each sliding groove 11 corresponds to one sliding block 2, and each sliding block 2 corresponds to one rotating rod 13, so that the position of each sliding block 2 can be independently adjusted according to the shape and size of the workpiece 4, and clamping of different workpieces 4 is further met.
Specifically, still include supplementary clamping structure, supplementary clamping structure includes dead lever 14 and supporting rod 15, dead lever 14 one end and 1 fixed connection of chuck base, and upwards extend chuck base 1 and form the suspension end, the one end of supporting rod 15 can be followed the suspension end of dead lever 14 and reciprocated, it is specific to be provided with the slider on supporting rod 15, it is provided with the slide rail to correspond on the suspension end of dead lever 14, make supporting rod 15 can follow dead lever 14 and reciprocate, the other pot head of supporting rod 15 is established on stand 22 top, can compress tightly clamping jaw 3 downwards, be provided with screw 16 to chuck base 1 at the middle part of supporting rod 15, after clamping jaw 3 clamping good work piece 4, screw 16 screws up, make supporting rod 15 fixed with chuck base 1, under the effect of compressing tightly of supporting rod 15, make clamping jaw 3 can not rotate or reciprocate along chuck base 1.
As shown in fig. 5 and 6, in an embodiment of the fixture for positioning a lathe without an auxiliary clamping structure, an upright column 22 is fixedly protruded from the upper surface of the sliding block 2, a first through hole 32 is formed in a position on the clamping jaw 3 corresponding to the upright column 22, the clamping jaw 3 is sleeved on the upright column 22 through the first through hole 32, the axial length of the upright column 22 is greater than that of the first through hole 32, and after the clamping jaw 3 is sleeved on the upright column 22, part of the upright column 22 leaks out of the upper surface of the clamping jaw 3; the circumference of the upright column 22 is provided with steps, specifically, the diameter of the cross section of the upper part of the upright column 22 is smaller than that of the cross section of the lower part of the upright column 22, and the diameter of the cross section of the lower part of the upright column 22 is larger than or equal to that of the cross section of the first through hole 32 of the clamping jaw 3, so that when the clamping jaw 3 is sleeved at the bottom of the upright column 22, the upright column 22 and the clamping jaw 3 are in interference fastening fit, and therefore the clamping jaw 3 cannot rotate randomly or move along the axis of the upright column 22 in the clamping process; and the axial length of the part with the smaller cross section diameter on the upper part of the upright post 22 is greater than the axial length of the first through hole 32 of the clamping jaw 3, so that when the clamping jaw 3 is sleeved on the top end of the upright post 22, the clamping jaw 3 is completely in clearance fit with the upright post 22, and the clamping jaw 3 is ensured to freely rotate on the top end of the upright post 22.
Specifically, in an embodiment, at a position where the cross-sectional area of the lower portion of the upright column 22 is relatively large, a plurality of protrusions 25 are uniformly distributed and protrude outwards on the peripheral side surface of the upright column 22, the protrusions 25 are configured in a strip shape, the length direction of the protrusions 25 is parallel to the axial direction of the upright column 22, a plurality of grooves 24 are disposed on the inner wall of the first through hole 32 of the clamping jaw 3 at positions matched with the protrusions 25, and the grooves 24 are disposed upwards from the lowest end surface of the first through hole 32 of the clamping jaw 3, so that when the clamping jaw 3 slides along the upright column 22 from top to bottom, the protrusions 25 can be inserted into the grooves 24, it is ensured that when the clamping jaw 3 is sleeved at the bottom of the upright column 22, the clamping jaw 3 cannot rotate freely along the upright column 22, and it is ensured that the workpiece 4 is positioned and clamped.
As shown in fig. 7 and 8, in another embodiment, a lathe positioning fixture without an auxiliary clamping structure is provided, in a direction that a peripheral side surface of a position where a cross-sectional area of a lower portion of the upright column 22 is larger points to an axis of the upright column 22, first blind holes 26 are symmetrically provided, an elastic component 27 is fixedly connected to a bottom end surface of the first blind hole 26, a pushing block 28 is fixedly connected to the other end of the elastic component 27, the pushing block 28 is configured to be a rectangular block-shaped structure, and a wedge is provided at one end of an upper surface of the pushing block 28, which is far away from the elastic component 27, so that when the clamping jaw 3 moves along the upright column 22 from top to bottom, the bottom end surface of the clamping jaw 3 interacts with the wedge of the pushing block 28, so that the pushing block 28 compresses the elastic component 27, thereby achieving interference fit between the clamping jaw 3 and the upright column 22, and ensuring that the clamping jaw 3 cannot rotate randomly or move along the axis of the upright column 22 after clamping the workpiece 4.
As shown in fig. 9, the fixture for positioning a lathe without an auxiliary clamping structure can be used to replace different clamping jaws 3 as required, and the rotation angle between the clamping jaw 3 and the sliding block 2 is adjusted to match with the shape of the clamping jaw 3, so that the shape of the space surrounded by all the clamping jaws 3 is changed, and the positioning of workpieces 4 with more shapes is completed.
When the lathe positioning clamp is used, the rotating rod 13 is rotated, the rotating gear 131 at the tail end of the rotating rod 13 rotates to drive the sliding rack 21 meshed with the rotating gear 131 to move, and further the sliding blocks 2 are driven to move in the sliding grooves 11, so that the position of each sliding block 2 driving the clamping jaw 3 to move is realized; the clamping jaw 3 is lifted upwards, the clamping jaw 3 is moved from bottom to top along the upright column 22, after the matching structure between the bottom of the clamping jaw 3 and the bottom of the upright column 22 is completely separated, the clamping jaw 3 is rotated, and after the clamping jaw 3 is rotated to the position suitable for clamping a workpiece 4 according to the positions of the first identifier and the second identifier, the clamping jaw 3 is pushed downwards, so that the interference fixing structure between the bottom of the clamping jaw 3 and the bottom of the upright column 22 is re-matched, and the clamping jaw 3 is further ensured not to rotate along the upright column 22 and move along the axis of the upright column 22 when the workpiece 4 is clamped.
The utility model discloses an anchor clamps for lathe location pass through clamping jaw 3 and the rotation of sliding block 2, have realized the different angle clamping of clamping jaw 3, cooperate the different shapes of clamping jaw 3 simultaneously for the space shape that all clamping jaws 3 enclose becomes more, guarantees that the clamping of fixing a position all can be accomplished to multiple dysmorphism work piece 4, and then has improved the utilization efficiency of lathe, and application scope is wide.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (8)
1. The utility model provides a lathe is anchor clamps for location which characterized in that: the clamping device comprises a chuck base, wherein a plurality of sliding grooves are formed in the upper surface of the chuck base, a sliding block is arranged in each sliding groove, and a clamping jaw is rotatably connected to the upper surface of each sliding block; the fixed stand that is provided with of sliding block upper surface salient, correspond on the clamping jaw the stand is provided with first through-hole, the clamping jaw passes through first through-hole cover is established on the stand, the axial length of stand is greater than the axial length of first through-hole, just the clamping jaw can be followed the axis of stand rotates and the locking.
2. The jig for lathe positioning as defined in claim 1, wherein: the clamping jaw is characterized in that steps are arranged on the circumferential surface of the upright column, the diameter of the cross section of the upper part of the upright column is smaller than that of the cross section of the lower part of the upright column, the diameter of the cross section of the lower part of the upright column is larger than or equal to that of the cross section of the first through hole of the clamping jaw, and the axial length of the upper part of the upright column is larger than that of the first through hole of the clamping jaw.
3. The jig for lathe positioning as defined in claim 2, wherein: the side surface of the lower part of the upright post is provided with a plurality of bulges, and the clamping jaw is matched with the bulges and is provided with a plurality of grooves on the inner wall of the first through hole.
4. The jig for lathe positioning as defined in claim 2, wherein: in the week side of stand lower part is directional stand axis symmetry is provided with first blind hole, in first blind hole bottom fixed connection elastic component, elastic component's other end fixedly connected with ejector pad makes the ejector pad can with the clamping jaw first through-hole inner wall butt.
5. The jig for lathe positioning as defined in claim 4, wherein: and one end of the upper surface of the push block, which is far away from the elastic component, is provided with a wedge angle.
6. The jig for lathe positioning as defined in claim 2, wherein: a first rotating identification is arranged on the upper surface of the clamping jaw in a direction pointing to the upright post, and a second rotating identification is radially arranged on the upper surface of the upright post.
7. The jig for lathe positioning as defined in claim 1, wherein: in the fixed rack that slides that is provided with of sliding block bottom face, in chuck base week side is directional the groove of sliding is provided with the second through-hole, in coaxial rotatable dwang that is provided with in the second through-hole, the dwang end is provided with the running gear, makes the running gear with the rack intermeshing cooperation slides.
8. A lathe positioning jig according to any one of claims 1 to 7, characterized in that: still include supplementary centre gripping structure, supplementary centre gripping structure includes dead lever and supporting rod, the dead lever with chuck base fixed connection upwards extends the suspension end, the one end of supporting rod can be followed the suspension end of dead lever reciprocates, the other pot head of supporting rod is established the stand top, in the supporting rod middle part to chuck base is provided with the screw, just the supporting rod accessible screw and chuck base fixed connection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120034849.6U CN214162121U (en) | 2021-01-07 | 2021-01-07 | Lathe positioning fixture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120034849.6U CN214162121U (en) | 2021-01-07 | 2021-01-07 | Lathe positioning fixture |
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CN214162121U true CN214162121U (en) | 2021-09-10 |
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CN202120034849.6U Expired - Fee Related CN214162121U (en) | 2021-01-07 | 2021-01-07 | Lathe positioning fixture |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114800105A (en) * | 2022-06-02 | 2022-07-29 | 东莞市译码半导体有限公司 | Energy-saving grinding device with dust removal structure for wafer processing |
CN114833361A (en) * | 2022-07-01 | 2022-08-02 | 烟台力腾矿山机械有限公司 | Mechanical clamping device for automobile pressure plate casting part |
CN115338799A (en) * | 2022-09-02 | 2022-11-15 | 常州大学 | Mechanical clamping jaw device for mechanically manufacturing fixed mechanical clamp for machining |
-
2021
- 2021-01-07 CN CN202120034849.6U patent/CN214162121U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114800105A (en) * | 2022-06-02 | 2022-07-29 | 东莞市译码半导体有限公司 | Energy-saving grinding device with dust removal structure for wafer processing |
CN114833361A (en) * | 2022-07-01 | 2022-08-02 | 烟台力腾矿山机械有限公司 | Mechanical clamping device for automobile pressure plate casting part |
CN115338799A (en) * | 2022-09-02 | 2022-11-15 | 常州大学 | Mechanical clamping jaw device for mechanically manufacturing fixed mechanical clamp for machining |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210910 |
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CF01 | Termination of patent right due to non-payment of annual fee |