CN110253315B - A tool for machining keyway of shaft component - Google Patents
A tool for machining keyway of shaft component Download PDFInfo
- Publication number
- CN110253315B CN110253315B CN201910652361.7A CN201910652361A CN110253315B CN 110253315 B CN110253315 B CN 110253315B CN 201910652361 A CN201910652361 A CN 201910652361A CN 110253315 B CN110253315 B CN 110253315B
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- China
- Prior art keywords
- flange
- shaft
- positioning
- tail section
- transition
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- 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.)
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Classifications
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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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
本发明公开了一种轴部件键槽加工用工装，包括轴本体，所述轴本体一端包括轴尾段，所述轴尾段表面为螺纹设置，所述轴尾段表面套接有过渡法兰，所述过渡法兰中心位置开设有通透的轴孔，所述过渡法兰包括上法兰和下法兰，所述上法兰表面设置有法兰台阶，所述上法兰位于法兰台阶的一端活动套接有花盘，所述花盘四周设置有若干个定位指，所述定位指外部一端开设有定位缺口槽，所述轴尾段螺纹连接有轴螺母。本发明通过设有过渡法兰与花盘，有利于通过对准花盘四周定位指的定位缺口槽，得到其加工或装配的位置度信息，从而有效的方便快速完成键槽的定位要求，解决多次装夹给键槽带了很大的加工误差。
The present invention discloses a tool for machining a keyway of a shaft component, comprising a shaft body, one end of the shaft body comprising a shaft tail section, the surface of the shaft tail section being threaded, a transition flange being sleeved on the surface of the shaft tail section, a transparent shaft hole being provided at the center of the transition flange, the transition flange comprising an upper flange and a lower flange, a flange step being provided on the surface of the upper flange, a faceplate being movably sleeved on one end of the upper flange located at the flange step, a plurality of positioning fingers being provided around the faceplate, a positioning notch groove being provided at one end of the positioning finger, and a shaft nut being threadedly connected to the shaft tail section. The present invention is provided with a transition flange and a faceplate, so that the positioning notch grooves of the positioning fingers around the faceplate can be aligned to obtain the position information of the machining or assembly thereof, thereby effectively and conveniently and quickly completing the positioning requirements of the keyway, and solving the problem of large machining errors caused by multiple clamping.
Description
Technical Field
The invention relates to the technical field of shaft machining equipment, in particular to a tool for machining a shaft part key groove.
Background
In shaft-type parts, particularly the shafts of pumps and motors, if multiple key grooves are required to be machined at different axial positions and circumferential positions of the shafts, the center lines of the key grooves often have position requirements with each other. And because of the requirement of the processing technology, some key grooves cannot be processed in one working procedure, and a great processing error is brought to the key grooves by repeated clamping. Meanwhile, after the shaft is machined, in the assembly process, the position of the positioning key groove needs to be prepared for convenient and quick installation or meeting the requirement of a certain specific function.
Therefore, it is necessary to invent a tool for shaft member key groove processing to solve the above-mentioned problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a tool for processing a shaft part key groove, which is beneficial to obtaining the position degree information of processing or assembling by aligning the positioning notch grooves of positioning fingers around the disc chuck through arranging a transition flange and the disc chuck, thereby effectively, conveniently and rapidly completing the positioning requirement of the key groove, solving the problem that the key groove is provided with a large processing error by multiple times of clamping, and solving the problem in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a frock is used in processing of shaft part keyway, includes the axle body, axle body one end includes the axle tail section, axle tail section surface is the screw thread setting, the transition flange has been cup jointed on axle tail section surface, the penetrating shaft hole has been seted up to transition flange central point put, the transition flange includes flange and lower flange, it is provided with the flange step to go up the flange surface, the disc chuck has been cup jointed in the one end activity that the flange is located the flange step, the disc chuck is provided with a plurality of location all around, the location is pointed outside one end and is seted up the location breach groove, axle tail section threaded connection has the spindle nut.
Preferably, the diameter of the outer ring of the flange step is equal to that of the inner ring of the flower disc, and the flower disc and the transition flange and the upper flange and the lower flange are fixedly connected by countersunk screws.
Preferably, the distance between the outer end of the positioning finger and the center of the disc chuck is matched with the radial dimension of the shaft body, the maximum diameter dimension of the transition flange is smaller than the diameter dimension of the position of the shaft body where the key groove is machined, and the depth dimension of the flange step is larger than the thickness dimension of the disc chuck.
Preferably, the number of the positioning fingers is equal to the number of the shaft grooves of the shaft body or is an integral multiple of the number of the shaft grooves of the shaft body.
Preferably, one surface of the bottom of the transition flange is a plane, and one section of the top of the transition flange extends to a position between two ends of the thread of the shaft tail section.
Preferably, the same complete chute space and adjusting space are formed in the bottom of the upper flange and the top of the lower flange, one end of the lower flange located the chute space is fixedly connected with a connecting block, the surface of the connecting block is rotationally connected with a screw rod, the other end of the screw rod movably penetrates through the other end of the chute space and extends to the inside of the adjusting space, and one end of the screw rod located the inside of the adjusting space is fixedly connected with an inner hexagon nut.
Preferably, the lines of the threads at two ends of the screw rod are identical and are oppositely arranged, two ends of the screw rod are respectively provided with a sliding plate, one end of each sliding plate is meshed with the screw rod, and one side of the other end of the screw rod is fixedly connected with a locking plate.
Preferably, the locking plate is arc-shaped, the radian of the locking plate is equal to that of the shaft hole, and friction lines are arranged on one surface of the locking plate, which is close to the shaft hole.
Preferably, the chute space is communicated with the side wall of the shaft hole, the height of the chute space is matched with the height of the sliding plate, and the minimum depth of the adjusting space is larger than the maximum height of the inner hexagon nut.
The invention has the technical effects and advantages that:
1. Through being equipped with transition flange and flower disc, be favorable to when processing or assembly axle, through the location breach groove of aligning the location finger all around of flower disc, obtain its processing or the location degree information of assembly to the effectual convenient location requirement of accomplishing the keyway fast, the solution clamping has taken very big machining error for the keyway many times.
2. Through being equipped with the locking plate, be favorable to making two locking plates fix the inside axle tail section in shaft hole to be located the center in shaft hole and fixed, effectually make this frock be adapted to the model and differ not very big axle body and use, reduce the frock time of changing work model size, increase work efficiency.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the flower disc of the present invention;
FIG. 3 is a cross-sectional top view of a transition flange structure plate of the present invention;
FIG. 4 is a front cross-sectional view of a transition flange structure of the present invention;
FIG. 5 is a schematic view of the upper flange structure of the present invention;
fig. 6 is a schematic view of the lower flange structure of the present invention.
In the figure: 1. a shaft body; 2. a shaft tail section; 3. a transition flange; 4. a shaft hole; 5. an upper flange; 6. a lower flange; 7. a flange step; 8. a flower disc; 9. positioning fingers; 10. positioning the notch groove; 11. a spindle nut; 12. a chute space; 13. adjusting the space; 14. a connecting block; 15. a screw rod; 16. an inner hexagon nut; 17. a slide plate; 18. a locking plate; 19. rubbing lines.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
According to the tooling for machining the key groove of the shaft part shown in fig. 1-6, the tooling comprises a shaft body 1, one end of the shaft body 1 comprises a shaft tail section 2, the surface of the shaft tail section 2 is provided with threads, a transition flange 3 is sleeved on the surface of the shaft tail section 2, a through shaft hole 4 is formed in the center of the transition flange 3, the shaft hole 4 is designed into a plurality of specifications with different sizes, the transition flange 3 of different shaft holes 4 is replaced to adapt to shafts with different specifications, the purpose of not replacing a spline 8 is achieved, the transition flange 3 comprises an upper flange 5 and a lower flange 6, a flange step 7 is arranged on the surface of the upper flange 5, one end of the upper flange 5, which is located on the flange step 7, is movably sleeved with the spline 8, a plurality of positioning fingers 9 are arranged around the spline 8, positioning notch grooves 10 are formed in one end outside the positioning fingers 9, and the shaft tail section 2 is in threaded connection with a shaft nut 11, so that when the shaft nut 11 is machined or assembled, the positioning notch grooves 10 of the positioning fingers 9 are aligned around the spline 8 are favorable, the positioning notch grooves 10 of the spline 8, the positioning grooves of the spline 8 are formed in the periphery, the positioning grooves of the positioning keys or the positioning keys are required to be machined or assembled, the positioning errors can be effectively and rapidly machined, and the positioning errors are required to be solved.
Further, in the above technical scheme, the diameter of the outer ring of the flange step 7 is equal to that of the inner ring of the disc chuck 8, which is favorable for fixing the disc chuck 8 and the transition flange 3, and reducing the time for replacing the disc chuck 8, and countersunk screws are fixedly connected between the disc chuck 8 and the transition flange 3 and between the upper flange 5 and the lower flange 6.
Further, in the above technical scheme, the distance between the outside one end of location finger 9 and the centre of a circle of flower disc 8 and the radial dimension phase-match of axle body 1, the maximum diameter dimension of transition flange 3 is less than the diameter dimension of axle body 1 processing keyway position, is favorable to changing the frock of different models according to the axle body 1 of different models, the degree of depth size of flange step 7 is greater than the thickness dimension of flower disc 8, prevents that axle nut 11 from crushing flower disc 8.
Further, in the above technical solution, the shape of the positioning notch groove 10 is matched with the shape of the key groove required by the shaft body 1, and the number of the positioning fingers 9 is equal to the number of the shaft grooves of the shaft body 1.
Further, in the above technical solution, one surface of the bottom of the transition flange 3 is a plane, and the top section of the transition flange 3 extends between two ends of the thread of the shaft tail section 2, which is favorable for the shaft nut 11 to fully fix the transition flange 3.
Further, in the above technical scheme, the same complete chute space 12 and the adjustment space 13 have been seted up to upper flange 5 bottom and lower flange 6 top, the one end fixedly connected with connecting block 14 that lower flange 6 is located chute space 12, connecting block 14 surface rotation is connected with lead screw 15, the lead screw 15 other end activity runs through chute space 12 other end and extends to inside the adjustment space 13, the lead screw 15 is located the inside one end fixedly connected with hexagon socket head cap nut 16 of adjustment space 13.
Further, in the above technical scheme, the line of the screw thread at lead screw 15 both ends is the same and is the opposite setting, lead screw 15 both ends all are provided with slide 17, slide 17 one end meshes with lead screw 15 mutually, one side fixedly connected with locking plate 18 of the lead screw 15 other end is favorable to making two locking plates 18 fix the inside axle tail section 2 of shaft hole 4 through being equipped with locking plate 18 to be located the center of shaft hole 4 and fixed, the effectual frock of making is adapted to the model and differs not very big axle body 1 and uses, reduces the frock time of changing work model size, increases work efficiency.
Further, in the above technical scheme, the locking plate 18 is arc-shaped, and the radian of the locking plate 18 is equal to the radian of the shaft hole 4, and the side of the locking plate 18, which is close to the shaft hole 4, is provided with friction lines 19, which is favorable for increasing friction force and preventing the transition flange 3 from moving through the friction lines 19.
Further, in the above technical solution, the chute space 12 is communicated with the side wall of the shaft hole 4, the height of the chute space 12 is matched with the height of the sliding plate 17, and the minimum depth of the adjusting space 13 is greater than the maximum height of the hexagon socket nut 16.
The working principle of the invention is as follows:
Referring to the accompanying drawings 1-2 of the specification, when the shaft tail section 2 and the shaft hole 4 are matched for use, the transition flange 3 is sleeved on the shaft tail section 2, the lower flange 6 of the transition flange 3 is tightly attached to one end of a key groove to be machined, then the disc chuck 8 is sleeved on the shaft tail section 2, the inner ring of the disc chuck 8 is sleeved on the flange step 7, the disc chuck 8 and the transition flange 3 are fixed by using countersunk screws, then the shaft nut 11 is screwed on the threads of the shaft tail section 2, the shaft nut 11 is used for machining the transition flange 3 to be fixed, and when a shaft is machined or assembled, the positioning notch grooves 10 of the positioning fingers 9 around the disc chuck 8 are aligned to obtain the position degree information of machining or assembling the transition flange, so that the positioning requirement of the key groove is effectively, conveniently and rapidly completed, and a great machining error is solved for the key groove by multiple clamping;
Referring to fig. 3-6 of the specification, when the diameter of the shaft tail section 2 is smaller than the shaft hole 4 and the diameter of the position of the shaft body 1 for machining the key groove is larger than the maximum diameter of the transition flange 3, in the process of using the tool, when the transition flange 3 is sleeved into the shaft tail section 2, after the disc chuck 8 is installed, the shaft nut 11 is pre-screwed, when the transition flange 3 has certain force for moving left and right, the hexagon tool is used for adjusting the hexagon socket nut 16 anticlockwise, so that the screw rod 15 rotates, drawing plates at two ends of the screw rod 15 are designed to move towards the center line position of the transition flange 3 at the same speed, so that the two locking plates 18 move towards the inside of the shaft hole 4, the shaft tail section 2 inside the shaft hole 4 is fixed, and the center of the shaft hole 4 is fixed, so that the tool is effectively suitable for using the shaft body 1 with different models, the tool time for changing the sizes of working models is shortened, and the working efficiency is increased.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910652361.7A CN110253315B (en) | 2019-07-18 | 2019-07-18 | A tool for machining keyway of shaft component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910652361.7A CN110253315B (en) | 2019-07-18 | 2019-07-18 | A tool for machining keyway of shaft component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110253315A CN110253315A (en) | 2019-09-20 |
| CN110253315B true CN110253315B (en) | 2024-05-24 |
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ID=67927138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910652361.7A Active CN110253315B (en) | 2019-07-18 | 2019-07-18 | A tool for machining keyway of shaft component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110253315B (en) |
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| EP3446816A1 (en) * | 2017-08-21 | 2019-02-27 | AMT Makra GmbH | Collet chuck for wheels |
| CN210388355U (en) * | 2019-07-18 | 2020-04-24 | 合肥恒大江海泵业股份有限公司 | Tool for machining key groove of shaft part |
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2019
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Patent Citations (13)
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|---|---|---|---|---|
| KR20060033517A (en) * | 2004-10-15 | 2006-04-19 | 현대모비스 주식회사 | Lathe workpiece machining reference position jig unit |
| KR20130122412A (en) * | 2012-04-30 | 2013-11-07 | 이남직 | Shaft key hole manufacturing method |
| CN203600067U (en) * | 2013-12-18 | 2014-05-21 | 广西壮族自治区汽车拖拉机研究所 | Shaft part cutting and/or grinding machining clamp |
| CN104972416A (en) * | 2015-06-12 | 2015-10-14 | 中信戴卡股份有限公司 | Circumferential positioning device for wheel |
| CN105058129A (en) * | 2015-07-23 | 2015-11-18 | 浙江江潮电机实业有限公司 | Faceplate-type tool used for motor base fine turning |
| CN204771730U (en) * | 2015-07-30 | 2015-11-18 | 自贡中兴耐磨新材料有限公司 | Outer circular slot of carbide ring processing frock |
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| CN107263129A (en) * | 2017-07-31 | 2017-10-20 | 苏州工业职业技术学院 | A kind of cover-plate type drill jig for processing circuit breaker base radial equipartition hole |
| EP3446816A1 (en) * | 2017-08-21 | 2019-02-27 | AMT Makra GmbH | Collet chuck for wheels |
| CN208289072U (en) * | 2018-05-04 | 2018-12-28 | 重庆独角兽知识产权管理咨询有限公司 | Agricultural ploughing machine main shaft keyseat tooling |
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| CN210388355U (en) * | 2019-07-18 | 2020-04-24 | 合肥恒大江海泵业股份有限公司 | Tool for machining key groove of shaft part |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110253315A (en) | 2019-09-20 |
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| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A tool for machining keyway of shaft components Granted publication date: 20240524 Pledgee: Industrial and Commercial Bank of China Changfeng Branch Pledgor: HEFEI HENGDA JIANGHAI PUMP Co.,Ltd. Registration number: Y2024980050827 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20240524 Pledgee: Industrial and Commercial Bank of China Changfeng Branch Pledgor: HEFEI HENGDA JIANGHAI PUMP Co.,Ltd. Registration number: Y2024980050827 |