CN112170982B - Gear grinding clamp for intermediate shaft - Google Patents
Gear grinding clamp for intermediate shaft Download PDFInfo
- Publication number
- CN112170982B CN112170982B CN202011007930.1A CN202011007930A CN112170982B CN 112170982 B CN112170982 B CN 112170982B CN 202011007930 A CN202011007930 A CN 202011007930A CN 112170982 B CN112170982 B CN 112170982B
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- Prior art keywords
- hole
- cone
- thimble
- base
- gear grinding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/02—Loading, unloading or chucking arrangements for workpieces
- B23F23/06—Chucking arrangements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Processing (AREA)
Abstract
The invention relates to a clamping device of a lathe, in particular to a gear grinding clamp of an intermediate shaft, which comprises a base, a cone and a thimble, wherein the base is fixedly connected with the cone, a first through hole is formed in the base, one end, far away from the cone, of the first through hole is fixedly provided with a positioning sleeve, a groove is formed in the positioning sleeve, a second through hole is formed in the cone, one end, far away from the base, of the cone is fixedly provided with a mounting seat, a third through hole is formed in the mounting seat, the axes of the first through hole, the second through hole and the third through hole coincide, one end, far away from the second through hole, of the third through hole is in an inverted-eight shape, and the thimble is arranged in the groove, the first through hole, the second through hole and the third through hole in a sliding manner, so that the gear grinding cutter and the clamp are prevented from interfering, and the gear grinding cutter and the clamp are effectively protected.
Description
Technical Field
The invention relates to a clamping device of a lathe, in particular to a gear grinding clamp of an intermediate shaft.
Background
With the continuous development of society, various industries are rapidly advancing. The intermediate shaft is an indispensable part in the automobile gearbox, a gear is integrally arranged on the intermediate shaft, the gear is machined through a gear hobbing cutter, and before the gear of the intermediate shaft is machined, the intermediate shaft is required to be fixed on a lathe to clamp and position the intermediate shaft.
When the gear of the intermediate shaft is in hobbing in the prior art, the intermediate shaft is fixed on the clamp in general time, the intermediate shaft is tensioned in a mode of an elastic sleeve, and the intermediate shaft is fixed in a mode of the clamp and the elastic sleeve, so that the diameter of a part connected with the intermediate shaft is larger, gear grinding is needed after the hobbing is finished, the gear with smaller diameter can be interfered with the clamp easily due to the larger diameter of the connecting part of the clamp and the intermediate shaft, the damage to the gear grinding cutter and the clamp is caused, the gear grinding efficiency of the intermediate shaft is reduced, and the cost is increased.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, when a gear with a smaller diameter is used for grinding teeth, as the clamp is matched with the elastic sleeve to fix the intermediate shaft, the diameter of the clamp is larger, the gear grinding cutter is easy to interfere with the clamp, and the gear grinding cutter and the clamp are damaged, and provides the gear grinding clamp for the intermediate shaft.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a gear grinding anchor clamps of jackshaft, includes base, cone and thimble, the base with cone fixed connection, be provided with first through-hole on the base, keep away from of first through-hole cone one end is fixed with the spacer sleeve, be provided with the recess in the spacer sleeve, be provided with the second through-hole on the cone, the cone keep away from base one end is fixed with the mount pad, be provided with the third through-hole in the mount pad, the axis of first through-hole the axis of second through-hole with the axis coincidence of third through-hole, the third through-hole keep away from second through-hole one end sets up to the "eight" font, the thimble slides and sets up the recess first through-hole the second through-hole with in the third through-hole, the thimble with be provided with compression spring between the spacer sleeve, be provided with in the first through-hole the space of stepping down of thimble, be provided with on the cone with thimble complex backstop mechanism.
By adopting the technical scheme, the base is fixed on the lathe, the central hole at the end part of the central shaft is connected with the end part of the thimble, and the thimble is pressed and held, so that the thimble slides along the axes of the first through hole, the second through hole and the third through hole, the end part of the central shaft is in tensioning fit with the inverted-splayed structure of the third through hole, the fixation of the central shaft is realized, the outer circle at the end part of the central shaft is in line contact with the mounting seat, the structure of the elastic sleeve is canceled, the fixation is realized, the diameter of the mounting seat is reduced, the phenomenon that the gear grinding cutter interferes with the clamp is avoided, the gear grinding cutter and the clamp are effectively protected, the thimble is pushed back by the compression spring after the central shaft is disassembled, the next central shaft is convenient to install, and the stop mechanism avoids the thimble to be completely pushed out of the groove by the compression spring, the first through hole, the second through hole and the third through hole.
As a preferable scheme of the invention, the middle part of the thimble is provided with a convex ring, the outer diameter of the convex ring is larger than the diameter of the groove and the diameter of the second through hole, the outer diameter of the convex ring is equal to the diameter of the first through hole, the length of the convex ring in the axial direction is smaller than the length of the first through hole, the end face of the cone is the stop mechanism, so that the thimble can stop sliding of the thimble when sliding to the end faces of the convex ring and the positioning sleeve, the thimble can stop sliding of the thimble when sliding to the end face of the cone, and the thimble has a sliding space in the first through hole, so that the end face of the central shaft can be stably tensioned on the inverted-eight-shaped structure of the third through hole when the central shaft is installed.
As the preferable scheme of the invention, the diameter of the mounting seat gradually decreases from one end close to the cone to one end far away from the cone, and the diameter of the mounting seat and the tensioning end of the intermediate shaft gradually decrease, so that the phenomenon that the gear grinding cutter interferes with the mounting seat is avoided.
As the preferable scheme of the invention, the mounting seat is made of hard alloy, so that the structural strength of the mounting seat is increased, and the mounting stability of the central shaft is improved.
As the preferable scheme of the invention, the dustproof sealing ring is arranged between the mounting seat and the thimble, and is arranged in the third through hole, so that scrap iron generated by gear processing can be prevented from entering the third through hole by the dustproof sealing ring, and the thimble is prevented from being blocked.
As a preferable scheme of the invention, one end of the thimble, which is close to the groove, is provided with a mounting groove, the compression spring is arranged in the mounting groove, when the intermediate shaft gear is not processed, the compression spring pushes the thimble to the stop mechanism on the cone, the top of the thimble can extend out of the third through hole, when the intermediate shaft is mounted, the central hole at the end part of the intermediate shaft is firstly aligned with the end part of the thimble to push the thimble to slide backwards, the end part of the intermediate shaft is tightly expanded at the inverted-splayed structure of the third through hole, after the intermediate shaft gear is processed, the intermediate shaft is disassembled, and the thimble extends out of the third through hole under the pushing of the compression spring, so that the next intermediate shaft is convenient to mount.
As the preferable scheme of the invention, the base and the cone are fixed through bolts, the positioning sleeve and the base are fixed through bolts, and the mounting seat and the cone are welded, so that the stability of structural connection is improved.
Compared with the prior art, the invention has the beneficial effects that:
1. the base is fixed on the lathe, the center hole at the end part of the center shaft is connected with the end part of the thimble, the thimble is pressed and held, the thimble slides along the axes of the first through hole, the second through hole and the third through hole, the inverted-eight-shaped structure of the center shaft and the third through hole is in tension fit, the fixing of the center shaft is realized, the structure of the elastic sleeve is eliminated, the diameter of the mounting seat is reduced, the phenomenon that the gear grinding cutter interferes with the clamp is avoided, and the gear grinding cutter and the clamp are effectively protected.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a base;
FIG. 3 is a schematic view of the connection of a cone to a mount;
FIG. 4 is a schematic view of a thimble structure;
the marks in the figure: the device comprises a base, a cone, a 3-thimble, a 4-first through hole, a 5-locating sleeve, a 6-groove, a 7-second through hole, an 8-mounting seat, a 9-third through hole, a 10-compression spring, an 11-convex ring, a 12-dustproof sealing ring, a 13-mounting groove and a 14-intermediate shaft.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. It should not be construed that the scope of the above subject matter of the present invention is limited to the following embodiments, and all techniques realized based on the present invention are within the scope of the present invention.
Example 1
As shown in fig. 1-4, a gear grinding clamp of a jackshaft comprises a base 1, a cone 2 and a thimble 3, wherein the base 1 is fixedly connected with the cone 2, a first through hole 4 is arranged on the base 1, one end, far away from the cone 2, of the first through hole 4 is fixedly provided with a positioning sleeve 5, a groove 6 is arranged in the positioning sleeve 5, a second through hole 7 is arranged on the cone 2, one end, far away from the base 1, of the cone 2 is fixedly provided with a mounting seat 8, a third through hole 9 is arranged in the mounting seat 8, the axis of the first through hole 4, the axis of the second through hole 7 and the axis of the third through hole 9 coincide, one end, far away from the second through hole 7, of the third through hole 9 is arranged in an inverted-eight shape, the thimble 3 is slidably arranged in the groove 6, the first through hole 4, the second through hole 7 and the third through hole 9, a compression spring 10 is arranged between the thimble 3 and the positioning sleeve 5, the axis of the first through hole 4 is provided with a back and forth space for the thimble 2 to be matched with the thimble 2.
As shown in fig. 1 and fig. 4, a convex ring 11 is disposed in the middle of the thimble 3, the outer diameter of the convex ring 11 is larger than the diameter of the groove 6 and the diameter of the second through hole 7, the outer diameter of the convex ring 11 is equal to the diameter of the first through hole 4, the length of the convex ring 11 in the axial direction is smaller than the length of the first through hole 4, the end face of the cone 2 is the stop mechanism, so that the thimble 3 can stop sliding of the thimble 3 when sliding to the end face of the convex ring 11 and the positioning sleeve 5, the thimble 3 can stop sliding of the thimble 3 when sliding to the end face of the cone 2, and the thimble 3 has a sliding space in the first through hole 4, so that the end face of the central shaft can stably expand and tighten on the inverted-splayed structure of the third through hole 9 when installing the central shaft.
As shown in fig. 3, the diameter of the mounting seat 8 gradually decreases from the end close to the cone 2 to the end far away from the cone 2, and the diameter of the tensioning end of the mounting seat 8 and the intermediate shaft 14 gradually decreases, so that the phenomenon that the gear grinding cutter interferes with the mounting seat 8 is avoided.
In this embodiment, the mount pad 8 is the carbide, has increased the structural strength of mount pad 8, has improved the stability of center pin installation.
As shown in fig. 1, a dustproof sealing ring 12 is disposed between the mounting seat 8 and the thimble 3, the dustproof sealing ring 12 is disposed in the third through hole 9, the dustproof sealing ring 12 can avoid scrap iron generated by gear processing from entering the third through hole, so as to cause clamping stagnation of the thimble, and a step for mounting the dustproof sealing ring 12 is disposed on the mounting seat 8.
As shown in fig. 1 and fig. 3, a mounting groove 13 is formed at one end of the thimble 3 near the groove 6, the compression spring 10 is disposed in the mounting groove 13, when no intermediate shaft gear is processed, the compression spring 10 pushes the thimble to the stop mechanism on the cone 2, the top of the thimble 3 can extend out of the third through hole 9, when the intermediate shaft 14 is mounted, the central hole at the end of the intermediate shaft 14 is firstly aligned with the end of the thimble 3, the thimble 3 is pushed to slide backwards, the end of the intermediate shaft 14 is tensioned at the inverted-splayed structure of the third through hole 9, after the intermediate shaft gear is processed, the intermediate shaft is disassembled, and the thimble extends out of the third through hole 9 under the pushing of the compression spring 10, so that the next intermediate shaft is convenient to mount.
In this embodiment, the base 1 and the cone 2 are fixed by bolts, the positioning sleeve 5 and the base 1 are fixed by bolts, and the mounting seat 8 and the cone 2 are welded, so that the stability of structural connection is improved.
The specific working process of the embodiment is as follows: the base 1 is fixed on a lathe, the central hole at the end part of the central shaft 14 is connected with the end part of the thimble 3, the thimble 3 is pressed, the thimble 3 slides along the axes of the first through hole 4, the second through hole 7 and the third through hole 9, the end part of the central shaft 14 is in expansion fit with the inverted-splayed structure of the third through hole 9, the central shaft 14 is pressed by the thimble on the other end surface of the central shaft 14, the fixation of the central shaft 14 is realized, the excircle of the end part of the central shaft 14 is in line contact with the mounting seat 14, the structure of an elastic sleeve is canceled, the fixation is realized, the processing of a gear on the central shaft 14 is realized by rotating the gear grinding clamp, the diameter of the mounting seat 14 is reduced, the phenomenon that the gear grinding cutter interferes with the clamp is avoided, the gear grinding cutter and the clamp are effectively protected, and the compression spring 10 pushes the thimble back after the central shaft 14 is disassembled, and the next central shaft 14 is convenient to mount.
The foregoing description of the preferred embodiment of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. The utility model provides a gear grinding clamp of jackshaft, its characterized in that includes base (1), cone (2) and thimble (3), base (1) with cone (2) fixed connection, be provided with first through-hole (4) on base (1), keeping away from of first through-hole (4) cone (2) one end is fixed with positioning sleeve (5), be provided with recess (6) in positioning sleeve (5), be provided with second through-hole (7) on cone (2), cone (2) keep away from base (1) one end is fixed with mount pad (8), be provided with third through-hole (9) in mount pad (8), the axis of first through-hole (4) the axis of second through-hole (7) with the axis coincidence of third through-hole (9), third through-hole (9) keep away from second through-hole (7) one end is set up to fall "eight" font, thimble (3) slide and set up recess (6), first through-hole (4), second through-hole (7) and compression sleeve (3) are provided with in the space (10) make a round trip in the thimble (4), the cone (2) is provided with a stop mechanism matched with the thimble (3); the middle part of thimble (3) is provided with bulge loop (11), the external diameter of bulge loop (11) is greater than the diameter of recess (6) with the diameter of second through-hole (7), the external diameter of bulge loop (11) with the diameter of first through-hole (4) equals, bulge loop (11) are less than in axial length of first through-hole (4), the terminal surface of cone (2) is stop mechanism.
2. Gear grinding clamp according to claim 1, characterized in that the mount (8) tapers in diameter from the end closer to the cone (2) to the end farther from the cone (2).
3. Gear grinding clamp for intermediate shafts according to claim 1, characterized in that the mounting base (8) is cemented carbide.
4. Tooth grinding clamp for intermediate shafts according to claim 1, characterized in that a dust-proof sealing ring (12) is arranged between the mounting seat (8) and the thimble (3), the dust-proof sealing ring (12) being arranged in the third through hole (9).
5. Gear grinding clamp for intermediate shafts according to claim 1, characterized in that the thimble (3) is provided with a mounting groove (13) at one end near the groove (6), the compression spring (10) being arranged in the mounting groove (13).
6. Gear grinding clamp for intermediate shafts according to claim 1, characterized in that the base (1) and the cone (2) are fixed by means of bolts, the positioning sleeve (5) and the base (1) are fixed by means of bolts, and the mounting base (8) is welded with the cone (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011007930.1A CN112170982B (en) | 2020-09-23 | 2020-09-23 | Gear grinding clamp for intermediate shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011007930.1A CN112170982B (en) | 2020-09-23 | 2020-09-23 | Gear grinding clamp for intermediate shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112170982A CN112170982A (en) | 2021-01-05 |
| CN112170982B true CN112170982B (en) | 2023-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011007930.1A Active CN112170982B (en) | 2020-09-23 | 2020-09-23 | Gear grinding clamp for intermediate shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112170982B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN207592955U (en) * | 2017-12-07 | 2018-07-10 | 綦江齿轮传动有限公司 | Wind power gear positioning shaper clamp |
| CN211305089U (en) * | 2019-12-03 | 2020-08-21 | 重庆衡杰科技有限公司 | Gear grinding clamp for cylindrical gear with taper hole |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2893968B2 (en) * | 1991-01-28 | 1999-05-24 | 日産自動車株式会社 | Work holding device |
| JP3446921B2 (en) * | 1996-04-10 | 2003-09-16 | 日産自動車株式会社 | Work holding device |
| CN103350261B (en) * | 2013-06-14 | 2015-06-24 | 浙江万达汽车方向机有限公司 | Gear hobbing clamp oriented by flat position of gear and installation and debugging method |
| CN203390328U (en) * | 2013-07-30 | 2014-01-15 | 重庆蓝黛动力传动机械股份有限公司 | Gear shaving clamp allowing rapid replacement |
| CN204867673U (en) * | 2015-06-19 | 2015-12-16 | 山东常林机械集团股份有限公司 | Hydraulic motor cylinder body gear hobbing tooling |
| CN106808031B (en) * | 2017-02-28 | 2019-08-16 | 西安法士特汽车传动有限公司 | A kind of high-precision quick change axis gear grinding clamp |
| CN107855546A (en) * | 2017-12-21 | 2018-03-30 | 江苏新银叶传动机电有限公司 | Can passing power Finial device |
| CN207930097U (en) * | 2018-01-29 | 2018-10-02 | 西安东龙精密工具有限公司 | A kind of gear grinding clamp |
| CN209256014U (en) * | 2018-10-19 | 2019-08-16 | 陕西法士特齿轮有限责任公司 | A kind of conical surface positioning quick-changing type axis gear grinding clamp |
-
2020
- 2020-09-23 CN CN202011007930.1A patent/CN112170982B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207592955U (en) * | 2017-12-07 | 2018-07-10 | 綦江齿轮传动有限公司 | Wind power gear positioning shaper clamp |
| CN211305089U (en) * | 2019-12-03 | 2020-08-21 | 重庆衡杰科技有限公司 | Gear grinding clamp for cylindrical gear with taper hole |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112170982A (en) | 2021-01-05 |
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