CN103878390A - Method for machining inner hole key groove - Google Patents

Method for machining inner hole key groove Download PDF

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Publication number
CN103878390A
CN103878390A CN201410120767.8A CN201410120767A CN103878390A CN 103878390 A CN103878390 A CN 103878390A CN 201410120767 A CN201410120767 A CN 201410120767A CN 103878390 A CN103878390 A CN 103878390A
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CN
China
Prior art keywords
inner hole
cutter
workpiece
key slot
hole key
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.)
Pending
Application number
CN201410120767.8A
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Chinese (zh)
Inventor
杨小军
姚国庆
滕飞
黄圣斌
韦朝晖
方伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chery Automobile Co Ltd
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Chery Automobile Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chery Automobile Co Ltd filed Critical Chery Automobile Co Ltd
Priority to CN201410120767.8A priority Critical patent/CN103878390A/en
Publication of CN103878390A publication Critical patent/CN103878390A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B1/00Methods for turning or working essentially requiring the use of turning-machines; Use of auxiliary equipment in connection with such methods

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For Machine Tools (AREA)

Abstract

The invention discloses a method for machining an inner hole key groove, and belongs to the field of machining. The method includes the steps that a tool of which the width is equal to that of the inner hole key groove is ground, and the tool and a workpiece to be machined are installed on a tool rest and a chuck of a lathe respectively; the height of the center of the connecting point of the tool and the tool rest is adjusted to be equal to that of the center of an inner hole of the workpiece, and tool setting is conducted; through transverse feeding motion of the lathe, the tool rest is made to drive the tool to cut the inner hole in the direction parallel to the axis of the inner hole of the workpiece; meanwhile, the tool is driven through manual longitudinal feeding motion to cut the inner hole in the direction perpendicular to the axis of the inner hole of the workpiece, and then the inner hole key groove is machined in the workpiece. According to the method, lathe feeding and manual feeding are combined, the appropriate inner hole key groove can be machined in the workpiece, the workpiece made of nylon, bakelite and other plastic materials cannot be damaged, and the application range is wide. The method is simple, easy to operate and high in applicability.

Description

A kind of processing method of inner hole key slot
Technical field
The present invention relates to field of machining, particularly a kind of processing method of inner hole key slot.
Background technology
Inner hole key slot is a kind of groove processing in the endoporus of workpiece, is used for installing and coordinating with corresponding key, thus transmitting torque.For mechanical transmission component, vital effect is played in the accurate processing of inner hole key slot.
The mode of often cutting by line is at present processed inner hole key slot.In line cutting process, generally a utmost point of the pulse power is connect to workpiece, another utmost point receiving electrode silk, and between workpiece and wire electrode, keep certain discharging gap, by the spark discharge of wire electrode, on workpiece, lose certain gap, on workpiece, spray working solution, thereby on workpiece, obtain suitable inner hole key slot simultaneously.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem:
Because line cutting is by the spark discharge between electrode, the inner hole key slot of workpiece to be processed, be the plastic materials such as nylon, bakelite once work as workpiece, the mode of spark discharge very easily causes workpiece to damage, cannot effectively process the inner hole key slot of the workpiece of the plastic material such as nylon, bakelite, make this kind of mode limitation larger.
Summary of the invention
In order to solve the problem that prior art limitation is larger, the embodiment of the present invention provides a kind of processing method of inner hole key slot.Described technical scheme is as follows:
A processing method for inner hole key slot, described method comprises:
Grind cutter, make described cutter and inner hole key slot to be processed wide;
Described Cutting tool installation manner, on the knife rest of lathe, is arranged on workpiece on the chuck of described lathe;
The center of adjusting described cutter and the center of described knife rest tie point and the endoporus of described workpiece is contour, and tool setting;
Driving described cutter to carry out power cross feed along the direction parallel with described interior axially bored line by described knife rest moves, and carry out length feed by the described cutter of manual drive along the direction vertical with described interior axially bored line and move, described cutter is cut in the endoporus of described workpiece, on described workpiece, obtain inner hole key slot.
Particularly, described cutter comprises the cutter head and the blade that connect in turn, and the surface of described blade is provided with groove.
As preferably, the blade of described groove and described cutter head is positioned at the same side.
As preferably, the material of described cutter is selected from white steel and/or carbide alloy.
Particularly, described Cutting tool installation manner on the knife rest of lathe time, is connected the blade of cutter with described knife rest, taking described blade and described knife rest tie point as the center of circle, makes described cutter offset downward preset angles.
As preferably, described preset angles is 3 °-10 °.
As preferably, described length feed moves through lead screw transmission and realizes.
As preferably, the single amount of feeding of described length feed motion is the 1/15-1/10 of described inner hole key slot width.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
The embodiment of the present invention provides a kind of processing method of inner hole key slot, by grinding the cutter wide with inner hole key slot, and this cutter and workpiece to be processed is arranged on respectively on the knife rest and chuck of lathe.The center of adjusting cutter and the center of knife rest tie point and the endoporus of workpiece is contour, and tool setting.Make knife rest drive this cutter, in the direction parallel with inner hole of workpiece axis, endoporus is carried out to machining by the in-movement of lathe; Meanwhile, move to drive this cutter, in the direction vertical with inner hole of workpiece axis, endoporus is carried out to machining by manual length feed, thereby processing obtain inner hole key slot on workpiece.The method that the embodiment of the present invention provides, by utilizing lathe to combine with hand feed, not only can process suitable inner hole key slot on workpiece, and can not cause damage to the workpiece of the plastic material such as nylon, bakelite, applied widely.The method that the embodiment of the present invention provides is simple, easy to operate, and adaptability is wider.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the processing method flow chart of a kind of inner hole key slot of providing of the embodiment of the present invention;
Fig. 2 is the processing method flow chart of the inner hole key slot that provides of further embodiment of this invention;
Fig. 3 is the processing method equipment therefor structural representation of the inner hole key slot that provides of further embodiment of this invention.
Wherein, 1 lathe,
11 chucks,
12 workpiece,
13 cutters,
14 knife rests,
2X direction of principal axis,
3Z direction of principal axis.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment 1
As shown in Figure 1, the embodiment of the present invention provides a kind of processing method of inner hole key slot, and the method comprises:
Step 101: grind cutter 13, make this cutter 13 wide with inner hole key slot to be processed.
Step 102: cutter 13 is arranged on the knife rest 14 of lathe 1, workpiece 12 is arranged on the chuck 11 of lathe 1.
Step 103: adjust cutter 13 contour with the center of the center of knife rest 14 tie points and the endoporus of workpiece 12, and tool setting.
Step 104: carry out power cross feed with cutter 13 along the direction parallel with interior axially bored line by knife rest 14 and move, and move by manually carrying out length feed with cutter 13 along the direction vertical with interior axially bored line, cutter 13 is cut in the endoporus of workpiece 12, on workpiece 12, obtain inner hole key slot.
Wherein, the endoporus and the cutter 13 that are arranged on the workpiece 12 in chuck 11 are oppositely arranged, and cutter 13 moves towards this endoporus, and cuts in this endoporus.Manually carrying out length feed with cutter 13 along the directions vertical with interior axially bored line moves and manually moves up and down with the axis of cutter 13 relative openings; It is the axis side-to-side movement of knife rest 14 with cutter 13 relative openings that knife rest 14 carries out along the directions parallel with interior axially bored line that power cross feed moves with cutter 13.
The embodiment of the present invention provides a kind of processing method of inner hole key slot, by grinding the cutter wide with inner hole key slot 13, and this cutter 13 and workpiece to be processed 12 is arranged on respectively on the knife rest 14 and chuck 11 of lathe 1.Adjust cutter 13 contour with the center of the center of knife rest 14 tie points and the endoporus of workpiece 12, and tool setting.Make knife rest 14 drive this cutter 13, in the direction parallel with the interior axially bored line of workpiece 12, endoporus is carried out to machining by the in-movement of lathe 1; Meanwhile, move to drive this cutter 13, in the direction vertical with the interior axially bored line of workpiece 12, endoporus is carried out to machining by manual length feed, thereby processing obtain inner hole key slot on workpiece 12.The method that the embodiment of the present invention provides, by utilizing lathe 1 to combine with hand feed, not only can process suitable inner hole key slot on workpiece 12, and can not cause damage to the workpiece of the plastic material such as nylon, bakelite 12, applied widely.The method that the embodiment of the present invention provides is simple, easy to operate, and adaptability is wider.
Embodiment 2
As shown in Figure 2, the embodiment of the present invention provides a kind of processing method of inner hole key slot, and the method comprises:
Step 201: grind cutter 13, make this cutter 13 wide with inner hole key slot to be processed.
As shown in Figure 3, particularly, this cutter 13 comprises the cutter head and the blade that connect in turn, and the surface of this blade is provided with groove.
In order to prevent that cutter 13 from rear end occurring when workpiece 12 is cut and interfere, make this cutter 13 have enough stress to carry out cutting workpiece 12, workpiece 12 is processed to inner hole key slot, at the blade place of cutter 13, a groove is set.Be understandable that, can, according to the size and shape of practical work piece 12 endoporus, regulate the size that is arranged on the groove on blade.As preferably, the blade of described groove and described cutter head is positioned at the same side, thereby effectively prevents that cutter 13 from rear end occurring when workpiece 12 is carried out to machining and interfere, and improves stock-removing efficiency.
As preferably, the material of this cutter 13 is selected from white steel and/or carbide alloy.This cutter 13 is preferably ground and is obtained by white steel bar.More specifically, this cutter 13 is selected from lathe tool, planing tool, milling cutter, broaching tool or file.In order to ensure that cutter 13 has higher high temperature hardness and wearability, necessary bending strength, impact flexibility and chemical inertness, and good manufacturability (machining, forging and heat treatment etc.), not yielding.The material of embodiment of the present invention cutter for same 13 is selected from white steel and/or carbide alloy.
Step 202: cutter 13 is arranged on the knife rest 14 of lathe 1, the blade of cutter 13 is connected with knife rest 14, taking blade and knife rest 14 tie points as the center of circle, make cutter 13 offset downward 3 °-10 °; Workpiece 12 is arranged on the chuck 11 of lathe 1.
In step 202, taking blade and knife rest 14 tie points as the center of circle, it is while preventing from processing keyway in the endoporus of workpiece 12 that cutter 13 is offset downward to the object of 3 °-10 °, due to the interference of the rear end of cutter 13, and make cutter head not have enough stress the endoporus of workpiece 12 to be cut into the size and shape of expectation, endoporus that even cannot cutting workpiece 12, thus cause processing the inner hole key slot of workpiece 12.
Step 203: adjust cutter 13 contour with the center of the center of knife rest 14 tie points and the endoporus of workpiece 12, and tool setting.
In order to determine more accurately position and the size of inner hole key slot to be processed, and make cutter 13 in workpiece 12 endoporus, there is enough large cutting space, in the embodiment of the present invention, cutter 13 is extremely contour with the center adjustment of the center of knife rest 14 tie points and the endoporus of workpiece 12, then carry out tool setting.
Step 204: start lathe 1, carrying out power cross feed with cutter 13 along the direction parallel with interior axially bored line by knife rest 14 moves, and move by manually carrying out length feed with cutter 13 along the direction vertical with interior axially bored line, cutter 13 is cut in the endoporus of workpiece 12, on workpiece 12, obtain inner hole key slot.
Particularly, this manual length feed moves through lead screw transmission and realizes.And the single amount of feeding of this manual length feed motion is the 1/15-1/10 of inner hole key slot width.
For the ease of accurately controlling length feed amount, the embodiment of the present invention realizes this manual length feed motion by lead screw transmission.Particularly, this lead screw transmission is by being arranged on screw rod and ball-screw cooperation on knife rest 14, control by rotatablely moving of swing roller leading screw is converted into the rectilinear motion that knife rest 14 moves in the direction vertical with the interior axially bored line of workpiece 12, improved stability and the accuracy of manual feeding.In addition, easily too high for fear of the manual feeding amount of feeding, cause the underproof defect of processed inner hole key slot, in the embodiment of the present invention, be the 1/15-1/10 of inner hole key slot width by the amount of feeding control of manual length feed motion.
As shown in Figure 3, in the embodiment of the present invention, that cutter 13 be installed is reliable, and deviation angle is unsuitable excessive, as long as blade rear end can not interfere.In process, first along X-direction 2(laterally) hand feed several times, get hold of each fast feed apart from discrete time, the basis of design of this feeding distance and time is to guarantee can not cause knife rest 14 to bump against on workpiece 12 because this feeding distance is long in the time of X-direction 2 fast feed.
Note controlling Z-direction 3(longitudinally) every cutter amount of feeding, when Z-direction 3 enters, measure in time, the size and shape of the inner hole key slot of being processed to ensure is enough accurate.If find that cutter relieving phenomenon appears in workpiece 12 endoporus far-ends, workpiece 12 can be reversed end for end to reprocessing once.
Visible, the method that the embodiment of the present invention provides utilizes lathe 1 to combine with hand feed, in process, have no abnormal sound, the situation such as vibration occurs, not only can on workpiece 12, process inner hole key slot, and the workpiece 12 keyway inwalls that process are intact without chatter mark, and its precision meets drawing requirement completely.Adopt the cutter 13 that the embodiment of the present invention provides to carry out processing fast and effectively to the workpiece of the plastic material such as nylon, bakelite 12, and can not cause damage to the workpiece of such plastic material 12.Visible, the method that the embodiment of the present invention provides is simple, quick, and easy to operate, adaptability is wider.
And the present invention has also further increased the range of work of engine lathe 1, avoid enterprise cannot process some critical inner hole key slots because of special circumstances (there is no to process the complete machine of inner hole key slot) in the time of maintenance of equipment, for example: shaft coupling, axle sleeve etc., the situation of further having avoided whole production line all must stop production occurs, and can be that enterprise retrieves heavy economic losses at crucial moment.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (8)

1. a processing method for inner hole key slot, is characterized in that, described method comprises:
Grind cutter, make described cutter and inner hole key slot to be processed wide;
Described Cutting tool installation manner, on the knife rest of lathe, is arranged on workpiece on the chuck of described lathe;
The center of adjusting described cutter and the center of described knife rest tie point and the endoporus of described workpiece is contour, and tool setting;
Driving described cutter to carry out power cross feed along the direction parallel with described interior axially bored line by described knife rest moves, and carry out length feed by the described cutter of manual drive along the direction vertical with described interior axially bored line and move, described cutter is cut in the endoporus of described workpiece, on described workpiece, obtain inner hole key slot.
2. the processing method of inner hole key slot according to claim 1, is characterized in that, described cutter comprises the cutter head and the blade that connect in turn, and the surface of described blade is provided with groove.
3. the processing method of inner hole key slot according to claim 2, is characterized in that, the blade of described groove and described cutter head is positioned at the same side.
4. the processing method of inner hole key slot according to claim 3, is characterized in that, the material of described cutter is selected from white steel and/or carbide alloy.
5. the processing method of inner hole key slot according to claim 2, it is characterized in that, described Cutting tool installation manner on the knife rest of lathe time, is connected the blade of cutter with described knife rest, taking described blade and described knife rest tie point as the center of circle, make described cutter offset downward preset angles.
6. the processing method of inner hole key slot according to claim 5, is characterized in that, described preset angles is 3 °-10 °.
7. the processing method of inner hole key slot according to claim 1, is characterized in that, described length feed moves through lead screw transmission and realizes.
8. the processing method of inner hole key slot according to claim 7, is characterized in that, the single amount of feeding of described length feed motion is the 1/15-1/10 of described inner hole key slot width.
CN201410120767.8A 2014-03-26 2014-03-26 Method for machining inner hole key groove Pending CN103878390A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410120767.8A CN103878390A (en) 2014-03-26 2014-03-26 Method for machining inner hole key groove

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Application Number Priority Date Filing Date Title
CN201410120767.8A CN103878390A (en) 2014-03-26 2014-03-26 Method for machining inner hole key groove

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CN103878390A true CN103878390A (en) 2014-06-25

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105014096A (en) * 2015-07-17 2015-11-04 西安航空动力股份有限公司 Method for machining key groove in semi-closed structure
CN106424758A (en) * 2016-11-25 2017-02-22 北京动力机械研究所 Machining method of numerical control lathe
CN108213567A (en) * 2017-12-29 2018-06-29 莱斯特瑞兹机械(太仓)有限公司 A kind of keyway attachment and method
CN110449599A (en) * 2019-07-17 2019-11-15 贵州振华华联电子有限公司 A kind of ring-shaped work pieces inner hole hole wall keyway processing method
CN110576194A (en) * 2019-09-27 2019-12-17 中船动力有限公司 numerical control machining method for Glan hole on diesel engine cylinder body
CN112008097A (en) * 2020-09-02 2020-12-01 台州市凯规机械科技有限公司 Special machine tool capable of intelligently turning inner walls of different valve element shells
CN113492234A (en) * 2021-07-28 2021-10-12 广东鸿图南通压铸有限公司 Machining process for machining end face of electric cabinet sensor of new energy automobile

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105014096A (en) * 2015-07-17 2015-11-04 西安航空动力股份有限公司 Method for machining key groove in semi-closed structure
CN106424758A (en) * 2016-11-25 2017-02-22 北京动力机械研究所 Machining method of numerical control lathe
CN106424758B (en) * 2016-11-25 2018-10-26 北京动力机械研究所 A kind of processing method of numerical control lathe
CN108213567A (en) * 2017-12-29 2018-06-29 莱斯特瑞兹机械(太仓)有限公司 A kind of keyway attachment and method
CN110449599A (en) * 2019-07-17 2019-11-15 贵州振华华联电子有限公司 A kind of ring-shaped work pieces inner hole hole wall keyway processing method
CN110576194A (en) * 2019-09-27 2019-12-17 中船动力有限公司 numerical control machining method for Glan hole on diesel engine cylinder body
CN112008097A (en) * 2020-09-02 2020-12-01 台州市凯规机械科技有限公司 Special machine tool capable of intelligently turning inner walls of different valve element shells
CN113492234A (en) * 2021-07-28 2021-10-12 广东鸿图南通压铸有限公司 Machining process for machining end face of electric cabinet sensor of new energy automobile

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