CN112170982A - Gear grinding clamp for intermediate shaft - Google Patents
Gear grinding clamp for intermediate shaft Download PDFInfo
- Publication number
- CN112170982A CN112170982A CN202011007930.1A CN202011007930A CN112170982A CN 112170982 A CN112170982 A CN 112170982A CN 202011007930 A CN202011007930 A CN 202011007930A CN 112170982 A CN112170982 A CN 112170982A
- Authority
- CN
- China
- Prior art keywords
- hole
- cone
- thimble
- base
- intermediate shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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
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 arranged on the base, one end of the first through hole, which is far away from the cone, is fixedly provided with a positioning sleeve, a groove is arranged in the positioning sleeve, a second through hole is arranged on the cone, one end of the cone, which is far away from the base, is fixedly provided with a mounting seat, a third through hole is arranged in the mounting seat, the axis of the first through hole, the axis of the second through hole and the axis of the third through hole are superposed, one end of the third through hole, which is far away from the second through hole, is arranged in an inverted splayed shape, 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 phenomenon that, effectively protecting the gear grinding cutter and the clamp.
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, all industries are leaping forward. The jackshaft is indispensable spare part in the motor transmission, and an organic whole is provided with the gear on the jackshaft, processes the gear through the gear hobbing cutter, before the gear machining to the jackshaft, needs fix the jackshaft on the lathe, presss from both sides tight location to the jackshaft.
When hobbing is carried out to the gear of intermediate shaft among the prior art, the time jackshaft is fixed on anchor clamps usually, the jackshaft rises through the mode of elastic sleeve, the jackshaft is fixed to the mode through anchor clamps and elastic sleeve, make anchor clamps and the partial diameter of jackshaft connected great, after the hobbing is accomplished, the gear grinding of gear need be carried out, because anchor clamps and the diameter of jackshaft connecting portion are great, can make the gear grinding cutter easily and take place to interfere between the anchor clamps at the during operation to the gear that the diameter is less, cause the damage of gear grinding cutter and anchor clamps, the gear grinding efficiency to the intermediate shaft has been reduced, and the cost is increased.
Disclosure of Invention
The invention aims to solve the problems that when gears with smaller diameters are ground in the prior art, the diameter of a clamp is larger and a gear grinding tool is easy to interfere with the clamp to cause damage to the gear grinding tool and the clamp because the clamp and an elastic sleeve are matched and fixed with an intermediate shaft, and provides a gear grinding clamp for the intermediate shaft.
In order to achieve the above purpose, the invention provides the following technical scheme:
a gear grinding clamp for an intermediate shaft 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, a positioning sleeve is fixed at one end, far away from the cone, of the first through hole, a groove is formed in the positioning sleeve, a second through hole is formed in the cone, a mounting seat is fixed at one end, far away from the base, of the cone, a third through hole is formed in the mounting seat, the axis of the first through hole, the axis of the second through hole and the axis of the third through hole are overlapped, one end, far away from the second through hole, of the third through hole is arranged in an inverted 'eight' shape, the thimble is arranged in the groove, the first through hole, the second through hole and the third through hole in a sliding manner, a compression spring is arranged between the thimble and the positioning sleeve, and a yielding space for the thimble to slide back and forth is formed in the first through, and the cone is provided with a stop mechanism matched with the thimble.
By adopting the technical scheme, 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, and the thimble is pressed, 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 center shaft is in tight fit with the inverted V-shaped structure of the third through hole, the center shaft is fixed, therefore, the excircle of the end part of the center shaft is in line contact with the mounting seat, the structure of the elastic sleeve is cancelled, and the fixation is realized, so that the diameter of the mounting seat is reduced, the phenomenon that the gear grinding cutter is interfered 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 center shaft is disassembled, the next center shaft is convenient to install, and the stop mechanism avoids the thimble from being completely ejected out of the groove, the first through hole.
As a preferable scheme of the present invention, a protruding ring is disposed in the middle of the ejector pin, the outer diameter of the protruding ring is greater than the diameter of the groove and the diameter of the second through hole, the outer diameter of the protruding ring is equal to the diameter of the first through hole, the length of the protruding ring in the axial direction is smaller than the length of the first through hole, the end surface of the cone is the stopping mechanism, so that the ejector pin can stop sliding when sliding to the end surfaces of the protruding ring and the positioning sleeve, the ejector pin can stop sliding when sliding to the end surface of the cone, and the ejector pin has a sliding space in the first through hole, so that the end surface of the central shaft can stably tighten on the inverted-v-shaped structure of the third through hole when the central shaft is installed.
As a preferable scheme of the invention, the diameter of the mounting seat is gradually reduced from one end close to the cone to the end far away from the cone, and the diameter of the mounting seat and the tensioning end of the intermediate shaft is gradually reduced, so that the phenomenon of interference between the gear grinding tool and 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 a preferred scheme of the invention, a dustproof sealing ring is arranged between the mounting seat and the ejector pin, the dustproof sealing ring is arranged in the third through hole, and the dustproof sealing ring can prevent iron chips generated by gear processing from entering the third through hole to cause clamping stagnation of the ejector pin.
As a preferable scheme of the invention, one end of the ejector pin 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 machined, the compression spring pushes the ejector pin to the position of the stop mechanism on the cone, the top of the ejector pin can extend out of the third through hole, when the intermediate shaft is installed, a central hole at the end part of the intermediate shaft is firstly aligned with the end part of the ejector pin to push the ejector pin to slide backwards, the end part of the intermediate shaft is tightly tensioned at the inverted-splayed structure of the third through hole, after the intermediate shaft gear is machined, the intermediate shaft is disassembled, and the ejector pin extends out of the third through hole under the pushing of the compression spring, so that the next intermediate shaft can.
As a 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 is welded with the cone, so that the structural connection stability is improved.
Compared with the prior art, the invention has the beneficial effects that:
1. the base is fixed on a 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, the thimble slides along the axes of the first through hole, the second through hole and the third through hole, so that the inverted splayed structure of the center shaft and the third through hole is in tight fit, the center shaft is fixed, the structure of the elastic sleeve is cancelled, the diameter of the mounting seat is reduced, the phenomenon of interference between the gear grinding cutter and the clamp is avoided, and the gear grinding cutter and the clamp are effectively protected.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a base;
FIG. 3 is a schematic view of the connection between the cone and the mounting base;
FIG. 4 is a schematic structural view of the thimble;
the labels in the figure are: 1-base, 2-cone, 3-thimble, 4-first through hole, 5-locating sleeve, 6-groove, 7-second through hole, 8-mounting seat, 9-third through hole, 10-compression spring, 11-convex ring, 12-dustproof sealing ring, 13-mounting groove and 14-intermediate shaft.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. It should be understood that the scope of the above-described subject matter is not limited to the following examples, and any techniques implemented based on the disclosure of the present invention are within the scope of the present invention.
Example 1
As shown in fig. 1-4, a gear grinding fixture for an intermediate shaft 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 formed in the base 1, a positioning sleeve 5 is fixed at one end of the first through hole 4, which is far away from the cone 2, a groove 6 is formed in the positioning sleeve 5, a second through hole 7 is formed in the cone 2, an installation base 8 is fixed at one end of the cone 2, which is far away from the base 1, a third through hole 9 is formed in the installation base 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 are overlapped, one end of the third through hole 9, which is far away from the second through hole 7, 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, an abdicating space for the thimble to slide back and forth is arranged in the first through hole 4, and a stop mechanism matched with the thimble 3 is arranged on the cone 2.
As shown in fig. 1 and 4, a protruding ring 11 is disposed in the middle of the thimble 3, an outer diameter of the protruding ring 11 is greater than the diameter of the groove 6 and the diameter of the second through hole 7, the outer diameter of the protruding ring 11 is equal to the diameter of the first through hole 4, a length of the protruding ring 11 in the axial direction is smaller than a length of the first through hole 4, an end surface of the cone 2 is the stopping mechanism, so that the thimble 3 can stop sliding when sliding to the end surfaces of the protruding ring 11 and the positioning sleeve 5, the thimble 3 can stop sliding of the thimble 3 when sliding to the end surface of the cone 2, and the thimble 3 has a sliding space in the first through hole 4, so that the end surface of the central shaft can stably tighten on the inverted "eight" shaped structure of the third through hole 9 when the central shaft is installed.
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 mounting seat 8 and the tensioning end of the intermediate shaft 14 gradually decreases, so that the phenomenon of interference between the gear grinding tool and the mounting seat 8 is avoided.
In this embodiment, the mounting base 8 is made of hard alloy, so that the structural strength of the mounting base 8 is increased, and the stability of the installation of the central shaft is improved.
As shown in fig. 1, the mounting seat 8 and be provided with dust seal 12 between the thimble 3, dust seal 12 sets up in the third through hole 9, and dust seal 12 can avoid the iron fillings that produce gear machining to get into in the third through hole, causes the jamming of thimble, be provided with the step that is used for installing dust seal 12 on the mounting seat 8.
As shown in fig. 1 and 3, a mounting groove 13 is provided at one end of the thimble 3 close to the recess 6, the compression spring 10 is disposed in the mounting groove 13, when the middle shaft gear is not machined, the compression spring 10 pushes the thimble to a position of the stopping mechanism on the cone 2, the top of the thimble 3 can extend out of the third through hole 9, when the middle shaft 14 is installed, the center hole at the end of the middle shaft 14 is firstly aligned with the end of the thimble 3 to push the thimble 3 to slide backwards, the end of the middle shaft 14 is tightened at the inverted "eight" shaped structure of the third through hole 9, after the middle shaft gear is machined, the middle shaft is disassembled, and the thimble extends out of the third through hole 9 under the pushing of the compression spring 10 to facilitate the installation of the next middle shaft.
In this embodiment, base 1 with cone 2 passes through the bolt fastening, position sleeve 5 with base 1 passes through the bolt fastening, mount pad 8 with cone 2 welding has promoted structural connection's stability.
The specific working process of this embodiment: the base 1 is fixed on a lathe, a central hole at the end part of a central shaft 14 is connected with the end part of a thimble 3, and the thimble 3 is pressed to enable the thimble 3 to slide 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 tightly matched with the inverted splayed structure of the third through hole 9, the other end surface of the central shaft 14 is pressed tightly against the central shaft 14 through an ejector pin to fix the central shaft 14, therefore, 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 cancelled, the fixation is realized, the gear grinding clamp is rotated to realize the processing of the gear on the central shaft 14, thereby reducing the diameter of the mounting seat 14, avoiding the interference phenomenon between the gear grinding cutter and the clamp, effectively protecting the gear grinding cutter and the clamp, after the removal of the central shaft 14, the compression spring 10 pushes the thimble back, facilitating the installation of the next central shaft 14.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The gear grinding clamp for the intermediate shaft is characterized by comprising 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 formed in 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 formed in the positioning sleeve (5), a second through hole (7) is formed in 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 formed 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) are overlapped, one end, far away from the second through hole (7), of the third through hole (9) is arranged in an inverted-splayed shape, thimble (3) slide to set up recess (6), first through-hole (4), second through-hole (7) and in third through-hole (9), thimble (3) with be provided with compression spring (10) between position sleeve (5), be provided with in first through-hole (4) thimble (3) make a round trip gliding space of stepping down, be provided with on cone (2) with thimble (3) complex backstop mechanism.
2. The grinding fixture of the intermediate shaft, as set forth in claim 1, characterized in that a protruding ring (11) is provided in the middle of the ejector pin (3), the outer diameter of the protruding 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 protruding ring (11) is equal to the diameter of the first through hole (4), the length of the protruding ring (11) in the axial direction is smaller than the length of the first through hole (4), and the end surface of the cone (2) is the stopper mechanism.
3. A gear grinding clamp for an intermediate shaft according to claim 1, characterized in that the diameter of the mounting seat (8) decreases from the end close to the cone (2) to the end far from the cone (2).
4. A fixture for grinding teeth of an intermediate shaft according to claim 1, characterized in that the mounting seat (8) is cemented carbide.
5. The clamp for grinding the teeth of an intermediate shaft according to claim 1, wherein a dust seal (12) is provided between the mounting seat (8) and the ejector pin (3), the dust seal (12) being provided in the third through hole (9).
6. The grinding jig for an intermediate shaft according to claim 1, characterized in that an end of the center pin (3) near the groove (6) is provided with a mounting groove (13), and the compression spring (10) is disposed in the mounting groove (13).
7. The grinding fixture of the intermediate shaft according to claim 1, characterized in that 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.
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 true CN112170982A (en) | 2021-01-05 |
| CN112170982B CN112170982B (en) | 2023-05-02 |
Family
ID=73956277
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 (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04244314A (en) * | 1991-01-28 | 1992-09-01 | Nissan Motor Co Ltd | Work clamping equipment |
| JPH09272033A (en) * | 1996-04-10 | 1997-10-21 | Nissan Motor Co Ltd | Workpiece holding device |
| CN103350261A (en) * | 2013-06-14 | 2013-10-16 | 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 |
| CN106808031A (en) * | 2017-02-28 | 2017-06-09 | 西安法士特汽车传动有限公司 | A kind of high accuracy quick change axle 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 |
| CN207592955U (en) * | 2017-12-07 | 2018-07-10 | 綦江齿轮传动有限公司 | Wind power gear positioning shaper clamp |
| 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 |
| 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 |
-
2020
- 2020-09-23 CN CN202011007930.1A patent/CN112170982B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04244314A (en) * | 1991-01-28 | 1992-09-01 | Nissan Motor Co Ltd | Work clamping equipment |
| JPH09272033A (en) * | 1996-04-10 | 1997-10-21 | Nissan Motor Co Ltd | Workpiece holding device |
| CN103350261A (en) * | 2013-06-14 | 2013-10-16 | 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 |
| CN106808031A (en) * | 2017-02-28 | 2017-06-09 | 西安法士特汽车传动有限公司 | A kind of high accuracy quick change axle gear grinding clamp |
| CN207592955U (en) * | 2017-12-07 | 2018-07-10 | 綦江齿轮传动有限公司 | Wind power gear positioning shaper 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 |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 王斌: "《低噪声齿轮制造技术》", 30 April 2018 * |
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| Publication number | Publication date |
|---|---|
| CN112170982B (en) | 2023-05-02 |
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