CN219944847U - Locking tool for hobbing of shaft parts - Google Patents
Locking tool for hobbing of shaft parts Download PDFInfo
- Publication number
- CN219944847U CN219944847U CN202321300722.XU CN202321300722U CN219944847U CN 219944847 U CN219944847 U CN 219944847U CN 202321300722 U CN202321300722 U CN 202321300722U CN 219944847 U CN219944847 U CN 219944847U
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- locking
- connecting sleeve
- clamping block
- hole
- hobbing
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- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a locking tool for hobbing of shaft parts, which comprises a mounting seat and a connecting sleeve; the mounting seat is arranged on the gear hobbing machine; the connecting sleeve is of a cylindrical structure, the connecting sleeve is vertically fixed on the mounting seat, a tip part is arranged in the connecting sleeve, a first longitudinal groove and two transverse grooves are formed in the side wall of the connecting sleeve, an upper clamping block and a lower clamping block are separated from the side wall of the connecting sleeve by the first longitudinal groove and the two transverse grooves, locking holes are formed in the upper clamping block and the lower clamping block, and locking pieces are arranged in the locking holes. The beneficial effects of the utility model are as follows: the tip portion of the locking tool can position the end portion of the shaft part, the locking piece can enable the upper clamping block and the lower clamping block to be close to each other, the width of the first longitudinal groove is reduced, and then the shaft part is clamped, so that the shaft part is prevented from vibrating in the gear hobbing process, the gear hobbing precision is improved, and the service life of a cutter is prolonged. Meanwhile, the locking tool has the advantages of being convenient to operate, simple in structure and high in clamping precision.
Description
Technical Field
The utility model relates to the technical field of shaft positioning tools, in particular to a locking tool for gear hobbing of shaft parts.
Background
Gear hobbing is a generating principle to process gears. The gear and the rack without meshing gaps can be regarded as being driven, when the gear hobbing rotates for one circle, the rack moves one cutter tooth in the normal direction, and the hob continuously drives as if one endless rack continuously moves.
The existing gear hobbing tool is used for mounting gear hobbing through three-jaw chuck clamping or double-center clamping, and due to the slender characteristic of shaft parts, vibration is easy to occur in the machining process due to the fact that the two ends of the shaft parts are clamped, and gear hobbing precision, production efficiency and service life of a cutter are affected.
Disclosure of Invention
In view of the above, in order to facilitate the gear hobbing of shaft parts, improve the gear hobbing precision and prolong the service life of the cutter, the utility model provides a locking tool for gear hobbing of shaft parts, which comprises a mounting seat and a connecting sleeve;
the mounting seat is arranged on the gear hobbing machine; the connecting sleeve is of a cylindrical structure, an axial through hole of the connecting sleeve is a mounting hole, the connecting sleeve is vertically fixed on the mounting seat,
the mounting hole shaft is provided with a tip end part for supporting the center of the end part of the shaft to be processed, and the pointed cone end of the tip end part is positioned on the axis of the mounting hole;
the clamping device is characterized in that a locking hole, a first longitudinal groove and two semi-annular and mutually parallel transverse grooves are formed in the upper side wall of the connecting sleeve, the semi-annular clamping semi-rings are separated from the two transverse grooves in the side wall of the connecting sleeve, the first longitudinal groove is perpendicular to the clamping semi-rings, the clamping semi-rings are separated into an upper clamping block and a lower clamping block, the locking hole penetrates through the upper clamping block and the lower clamping block at the same time, and locking pieces are arranged in the locking hole.
Further, the locking piece is an inner hexagon screw.
Further, the axis of the locking hole is perpendicular to the axis of the mounting hole, and the locking hole is located at the lateral side of the mounting hole.
Further, a notch groove is formed in the upper clamping block or the lower clamping block, and the bottom of the notch groove is a plane.
Further, the mounting seat is a circular plate, and a positioning ring is arranged at the end part of the mounting seat, which is far away from the connecting sleeve.
Further, the mounting seat is axially provided with a avoidance hole, a fixing plate is arranged in the positioning ring, the edge of the fixing plate is fixed on the end part of the mounting seat through a screw, the tail end of the tip end part is connected to the fixing plate, and the tip end of the tip end part extends into the mounting hole after penetrating through the avoidance hole.
Further, a second longitudinal groove is further formed in the connecting sleeve, and the second longitudinal groove and the first longitudinal groove are symmetrically arranged relative to the axis of the mounting hole.
The locking tool for the hobbing of the shaft parts has the beneficial effects that: the locking tool comprises a mounting seat and a connecting sleeve, wherein a tip part is arranged in the connecting sleeve, a first longitudinal groove and two transverse grooves are formed in the side wall of the connecting sleeve, an upper clamping block and a lower clamping block are separated from each other by the first longitudinal groove and the two transverse grooves on the side wall of the connecting sleeve, locking holes are formed in the upper clamping block and the lower clamping block, and locking pieces are arranged in the locking holes; the tip end part of the locking tool can be used for positioning the end part of the shaft to be machined, the locking piece can enable the upper clamping block and the lower clamping block to be close to each other, the width of the first longitudinal groove is reduced, and then the shaft end to be machined is clamped, so that the shaft end to be machined is prevented from vibrating in the gear hobbing process, the gear hobbing precision is improved, and the service life of a cutter is prolonged. Meanwhile, the locking tool has the advantages of being convenient to operate, simple in structure and high in clamping precision.
Drawings
Fig. 1 is a three-dimensional structure diagram of a locking tool for hobbing shaft parts according to an embodiment of the utility model.
Fig. 2 is a front view of a locking tool for hobbing shaft parts according to an embodiment of the present utility model.
Fig. 3 is a cross-sectional view of A-A of fig. 2 (locking member 5 has been installed in fig. 3).
Fig. 4 is a cross-sectional view of a locking tool for hobbing shaft parts according to an embodiment of the utility model.
In the above figures: 1-mount pad, 2-adapter sleeve, 21-transverse groove, 22-first longitudinal groove, 23-second longitudinal groove, 24-upper clamping block, 25-lower clamping block, 26-locking hole, 27-notch groove, 3-positioning ring, 4-tip, 41-fixed plate, 5-retaining member.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 4, a locking tool for hobbing shaft parts comprises a mounting seat 1 and a connecting sleeve 2.
The mounting seat 1 is a circular plate, and when the locking tool works, the mounting seat 1 is mounted on the gear hobbing machine through screws; the connecting sleeve 2 is of a hollow cylinder structure, an axial through hole of the connecting sleeve is a mounting hole, one end of the connecting sleeve 2 is vertically fixed on the mounting seat 2, and particularly, a positioning ring 3 is arranged at the end part, far away from the connecting sleeve 2, of the mounting seat 1, and the positioning ring 3 is convenient for positioning the mounting seat 1 on a gear hobbing machine. The mounting seat 1 is also provided with a clearance hole in the axial direction. The clearance hole is coaxial with the mounting hole in the connecting sleeve 2.
The mounting hole of the connecting sleeve 2 is axially provided with a tip end part 4 for supporting the center of the end part of the shaft to be processed (a center hole is drilled in the center of the end part of the shaft to be processed in advance before the shaft to be processed is processed), and the pointed cone end of the tip end part 4 is positioned on the axis of the mounting hole; specifically, a fixing plate 41 with a circular plate structure is arranged in the positioning ring 3, the edge of the fixing plate 41 is fixed at the end part of the mounting seat 1 through a screw, the tail end of the tip end part 4 is connected to the fixing plate 41, the tip end part 4 is connected with the fixing plate 41 into a whole, and the pointed cone end of the tip end part 4 penetrates through the avoidance hole and extends into the mounting hole.
The upper side wall of the connecting sleeve 2 is provided with a locking hole 26, a first longitudinal groove 22 and two semi-annular transverse grooves 21 which are parallel to each other, and the first longitudinal groove 22 and the transverse grooves 21 penetrate through the upper side wall of the connecting sleeve 2; the two transverse grooves 21 divide a semi-annular clamp half ring on the side wall of the connecting sleeve 2, the first longitudinal groove 22 is perpendicular to the clamp half ring, the clamp half ring is divided into an upper clamp block 24 and a lower clamp block 25, the locking hole 26 penetrates through the upper clamp block 24 and the lower clamp block 25 at the same time, and the locking piece 5 is arranged in the locking hole 26. Specifically, the locking member 5 is a socket head cap screw. The axis of the locking hole 26 is perpendicular to the axis of the mounting hole, the locking hole 26 is located at the lateral direction of the mounting hole, the locking hole 26 and the mounting hole are arranged in a staggered mode, and the locking hole 26 and the mounting hole are not communicated. The locking member 5 is used to lock the upper and lower clamping blocks 24, 25 so that the width of the first longitudinal groove 22 is reduced to clamp the end of the shaft to be processed.
Further, a notch 27 is formed on the upper clamping block 24 or the lower clamping block 25, and the bottom of the notch 27 is a plane. In this embodiment, the notch 27 is formed in the upper clamping block 24, and the notch 27 facilitates tightening of the locking member 5.
Further, the connecting sleeve 2 is further provided with a second longitudinal groove 23, the second longitudinal groove 23 and the first longitudinal groove 21 are symmetrically arranged relative to the axis of the mounting hole, and the second longitudinal groove 23 is used for reducing rigidity of the connecting sleeve 2 and facilitating shrinkage of the first longitudinal groove 22.
The working process of the locking tool for the hobbing of the shaft parts comprises the following steps: the end part of the shaft to be processed is provided with a central hole; inserting the end part of the shaft to be processed into the mounting hole of the connecting sleeve 2, and enabling the pointed cone end of the tip part 4 in the mounting hole to prop against the central hole; the locking piece 5 (hexagon socket screw) is installed into the locking hole 26, the locking piece 5 is screwed down, the upper clamping block 24 and the lower clamping block 25 are close to each other, the width of the first longitudinal groove 22 is reduced, the upper clamping block 24 and the lower clamping block 25 of the connecting sleeve 2 clamp the shaft to be machined, and the shaft to be machined is locked and fixed.
In this document, terms such as front, rear, upper, lower, etc. are defined with respect to the positions of the components in the drawings and with respect to each other, for clarity and convenience in expressing the technical solution. It should be understood that the use of such orientation terms should not limit the scope of the claimed utility model.
The embodiments described above and features of the embodiments herein may be combined with each other without conflict.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. A locking frock for axle type part gear hobbing processing, its characterized in that: comprises a mounting seat and a connecting sleeve;
the mounting seat is arranged on the gear hobbing machine; the connecting sleeve is of a cylindrical structure, an axial through hole of the connecting sleeve is a mounting hole, the connecting sleeve is vertically fixed on the mounting seat,
the mounting hole is axially provided with a tip end part for supporting the center of the end part of the shaft to be processed, and the pointed cone end of the tip end part is positioned on the axis of the mounting hole;
the clamping device is characterized in that a locking hole, a first longitudinal groove and two semi-annular and mutually parallel transverse grooves are formed in the upper side wall of the connecting sleeve, the semi-annular clamping semi-rings are separated from the two transverse grooves in the side wall of the connecting sleeve, the first longitudinal groove is perpendicular to the clamping semi-rings, the clamping semi-rings are separated into an upper clamping block and a lower clamping block, the locking hole penetrates through the upper clamping block and the lower clamping block at the same time, and locking pieces are arranged in the locking hole.
2. The locking tool for hobbing of shaft parts according to claim 1, wherein: the locking piece is an inner hexagon screw.
3. The locking tool for hobbing of shaft parts according to claim 1, wherein: the axis of the locking hole is perpendicular to the axis of the mounting hole, and the locking hole is located at the lateral direction of the mounting hole.
4. The locking tool for hobbing of shaft parts according to claim 1, wherein: the upper clamping block or the lower clamping block is provided with a notch groove, and the bottom of the notch groove is a plane.
5. The locking tool for hobbing of shaft parts according to claim 1, wherein: the mounting seat is a circular plate, and a positioning ring is arranged at the end part of the mounting seat, which is far away from the connecting sleeve.
6. The locking tool for hobbing of shaft parts according to claim 5, wherein: the mounting seat is axially provided with a position avoiding hole, a fixing plate is arranged in the positioning ring, the edge of the fixing plate is fixed at the end part of the mounting seat through a screw, the tail end of the tip end part is connected to the fixing plate, and the tip end of the tip end part extends into the mounting hole after penetrating through the position avoiding hole.
7. The locking tool for hobbing of shaft parts according to claim 1, wherein: the connecting sleeve is also provided with a second longitudinal groove, and the second longitudinal groove and the first longitudinal groove are symmetrically arranged relative to the axis of the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321300722.XU CN219944847U (en) | 2023-05-23 | 2023-05-23 | Locking tool for hobbing of shaft parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321300722.XU CN219944847U (en) | 2023-05-23 | 2023-05-23 | Locking tool for hobbing of shaft parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219944847U true CN219944847U (en) | 2023-11-03 |
Family
ID=88551557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321300722.XU Active CN219944847U (en) | 2023-05-23 | 2023-05-23 | Locking tool for hobbing of shaft parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219944847U (en) |
-
2023
- 2023-05-23 CN CN202321300722.XU patent/CN219944847U/en active Active
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