CN103240460B - A kind of processing unit (plant) of large-scale workpiece tapered hole internal keyway - Google Patents

A kind of processing unit (plant) of large-scale workpiece tapered hole internal keyway Download PDF

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Publication number
CN103240460B
CN103240460B CN201310220307.8A CN201310220307A CN103240460B CN 103240460 B CN103240460 B CN 103240460B CN 201310220307 A CN201310220307 A CN 201310220307A CN 103240460 B CN103240460 B CN 103240460B
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China
Prior art keywords
hydraulic cylinder
broaching tool
feed
work
lathe
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CN201310220307.8A
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Chinese (zh)
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CN103240460A (en
Inventor
任家隆
侍业
张莹
赵礼刚
张春燕
吴爱胜
江念
胡茂杨
吕金秋
吴彬彬
叶飞
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江苏科技大学
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Priority to CN201310220307.8A priority Critical patent/CN103240460B/en
Publication of CN103240460A publication Critical patent/CN103240460A/en
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Publication of CN103240460B publication Critical patent/CN103240460B/en

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Abstract

The present invention discloses a kind of processing unit (plant) of large-scale workpiece tapered hole internal keyway, comprises guide bar, broaching tool sheet, rack guide rail, clamp body, alignment pin, backstay, work top, Feed table, coupling mechanism, worm and gear, hydraulic cylinder, lathe body, hand feed device, broaching tool bar, main motion hydraulic cylinder, fixture and bearing block; For to place and one end of work top of positioning workpieces is connected by fixed-hinged support with lathe body, the upper end of hydraulic cylinder and the other end of work top hinged.The present invention can carry out large-scale workpiece and process with the internal keyway in the hole of tapering, has little mechanism and processes large workpiece, machining accuracy high, and structure is simple, and easy for installation, practical, standardization, the generalization degree of parts and components are high.

Description

A kind of processing unit (plant) of large-scale workpiece tapered hole internal keyway

Technical field

The present invention relates to the large-scale workpiece internal keyway of conical hole processing technique field with taper hole, be specifically related to a kind of processing unit (plant) that can be used in the large-scale workpiece tapered hole internal keyway of argosy propeller members different size taper hole.

Background technology

In machinery industry, the application of taper hole is very extensive, needs to process internal keyway of conical hole to realize and the cooperation of the diameter of axle, play the effect of transmission power in many situations.Traditional diamond-making technique mainly contains planer processing, and slotting machine is processed, electric spark machining etc.But all there is workpiece not easily clamping, need special fixture, machining accuracy not high, the stepless shortcoming such as adjustable of tapering can not be realized; Especially the processing carrying out keyway in the taper hole of argosy propeller members is almost impossible, and design is greater than the slotting machine of scantling, and not only cost was too high but also inconvenient.

Summary of the invention

Goal of the invention: for above-mentioned prior art Problems existing and deficiency, solve and locate the problems such as difficulty, difficult processing in the internal keyway process of machining large workpiece with tapered hole, improve precision and the efficiency of the processing of large-scale workpiece internal keyway of conical hole to greatest extent, the open one of the present invention can lay large-scale workpiece, utilizes workpiece to be machined self relevant factor to position, processes the processing unit (plant) of the large-scale workpiece tapered hole internal keyway of arbitrary taper taper hole keyway.

For achieving the above object, the processing unit (plant) of large-scale workpiece tapered hole internal keyway of the present invention can adopt following technical scheme: comprise guide bar, broaching tool sheet, rack guide rail, clamp body, alignment pin, backstay, work top, Feed table, coupling mechanism, worm and gear, hydraulic cylinder, lathe body, hand feed device, broaching tool bar, main motion hydraulic cylinder, fixture and bearing block; For to place and one end of work top of positioning workpieces is connected by fixed-hinged support with lathe body, the upper end of hydraulic cylinder and the other end of work top hinged, the lower end of hydraulic cylinder and fixture connection, fixture is connected in the bottom of lathe body; Hydraulic cylinder and main motion hydraulic cylinder provide power; Clamp body is fixed on work top, and alignment pin is connected with clamp body key, and backstay and clamp body are threaded connection, and backstay and alignment pin are threaded connection; Hand feed device is arranged on the side of lathe body, and guide bar is fixedly mounted on and changes on Feed table, and along with hand feed device drive Feed table move the change realizing the amount of feeding; Broaching tool sheet is arranged on broaching tool bar, and the bottom of broaching tool bar is arranged on the upper end of coupling mechanism; The lower end of coupling mechanism is arranged on main motion hydraulic cylinder, and main motion hydraulic cylinder is arranged on the bottom of lathe body; The inside of described lathe body is provided with built-in workbench.

As preferably, described hand feed device and worm and gear connect, and worm and gear and rack guide rail connect, rack guide rail is connected with Feed table.

As preferably, the size of described blade is suitable with processing width of keyway, and namely the size of broaching tool sheet is selected according to processing width of keyway.

As preferably, the motion of main motion hydraulic cylinder drives broaching tool bar to move up and down, thus drives broaching tool sheet to pump.

As preferably, the axle of hand feed device is arranged on bearing block.

As preferably, described guide bar is arranged on Feed table by screw.

Beneficial effect: compared with prior art, the present invention has the following advantages:

The processing unit (plant) of large-scale workpiece tapered hole internal keyway of the present invention, large-scale workpiece can be carried out process with the internal keyway in the hole of tapering, by locating large-scale workpiece and work top being tilted 0 ~ 20 °, thus drive the inclination of workpiece, utilize work piece self relevant factor to position, process arbitrary taper taper hole keyway.There is little mechanism and process large workpiece, machining accuracy high, taper hole keyway processing in any tapered hole can be realized.To solve in the extreme large and heavy workpiece internal keyway of conical hole process with taper hole location difficult, the processing problems of tapering difficulty, improve the precision that large-scale workpiece is processed with the internal keyway in the hole of tapering to greatest extent.Structure is simple, and easy for installation, practical, standardization, the generalization degree of parts and components are high, have certain application value.

Accompanying drawing explanation

Fig. 1 is front view of the present invention;

Fig. 2 is top view of the present invention.

In figure, 1 guide bar, 2 broaching tool sheets, 3 rack guide rails, 4 clamp bodies, 5 alignment pins, 6 backstays, 7 work tops, 8 Feed tables, 9 coupling mechanisms, 10 worm and gears, 11 hydraulic cylinders, 12 lathe bodies, 13 hand feed devices, 14 built-in workbench, 15 broaching tool bars, 16 main motion hydraulic cylinders, 17 fixtures, 18 bearing blocks.

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.

Refer to shown in Fig. 1 and Fig. 2, the present invention discloses a kind of processing unit (plant) of large-scale workpiece tapered hole internal keyway, comprises guide bar 1, broaching tool sheet 2, rack guide rail 3, clamp body 4, alignment pin 5, backstay 6, work top 7, Feed table 8, coupling mechanism 9, worm and gear 10, hydraulic cylinder 11, lathe body 12, hand feed device 13, broaching tool bar 15, main motion hydraulic cylinder 16, fixture 17 and bearing block 18; One end for the work top 7 placing also positioning workpieces is connected by fixed-hinged support with lathe body 12, the upper end of hydraulic cylinder 11 and the other end of work top 7 hinged, lower end and the fixture 17 of hydraulic cylinder 11 connect, and fixture 17 is connected in the bottom of lathe body 12; Hydraulic cylinder 11 and main motion hydraulic cylinder 16 provide power; Clamp body 4 is fixed on work top 7, and alignment pin 5 is connected with clamp body 4 key, and backstay 6 and clamp body 4 are threaded connection, and backstay 6 and alignment pin 5 are threaded connection; Hand feed device 13 is arranged on the side of lathe body 12, and guide bar 1 is fixedly mounted on Feed table 8, and drives Feed table 8 to move the change realizing the amount of feeding along with hand feed device 13; Broaching tool sheet 2 is arranged on broaching tool bar 15, and the bottom of broaching tool bar 15 is arranged on the upper end of coupling mechanism 9, and both can realize relative sliding; The lower end of coupling mechanism 9 is arranged on main motion hydraulic cylinder 16, and main motion hydraulic cylinder 16 is arranged on the bottom of lathe body 12; The inside of lathe body 12 is provided with built-in workbench 14.

In the present embodiment, hand feed device 13 and worm and gear 10 connect, and worm and gear 10 and rack guide rail 3 connect, and rack guide rail 3 is connected with Feed table 8.The size of broaching tool sheet 2 is selected according to processing width of keyway.The motion of main motion hydraulic cylinder 16 drives broaching tool bar 15 to move up and down, thus drives broaching tool sheet 2 to pump.The axle of hand feed device 13 is arranged on bearing block 18.Guide bar 1 is arranged on work top 7 by screw.

Large-scale workpiece is carried out inclination specified angle, realizes the processing of hole taper keyway.Whole process has three phases: the first stage, is utilized by large-scale workpiece clamp body 4 to position on work top 7, and hydraulic cylinder 11 work strip is moved work top 7 and to be tilted specified angle, drives large-scale workpiece inclination corresponding angle; Second stage, hand feed device 13 carries out the setting of the amount of feeding; Phase III, main motion hydraulic cylinder 16 drives broaching tool bar 15 to carry out the wire pulling method stage.

Placed by large-scale workpiece and be positioned on work top 7, work top 7 tilts 0 ~ 20 °, also drives workpiece to tilt simultaneously, and processing work internal taper hole bus is adjusted to upright position, be convenient to following process.

When work top 7 is horizontal, large-scale workpiece is placed on device work top 7, alignment pin 5 slides in the keyway of clamp body 4, and when the inwall of inner hole of workpiece is close to by the alignment pin 5 stretching out clamp body 4, screwed backstay 6 coordinates with alignment pin 5 makes workpiece fix; Subsequently, hydraulic cylinder 11 works and drives one end of work top 7 to raise, because one end of work top 7 is connected by fixed-hinged support with lathe body 12, work top 7 rotates around fixed-hinged support, after work top 7 rotates to specified angle, hydraulic cylinder 11 pressurize, work top 7 and workpiece are fixed, now the bus of workpiece internal taper hole is in plumbness, facilitates broaching tool to carry out the broaching of internal taper hole keyway.

Hydraulic system is to hydraulic cylinder 11 and main motion hydraulic cylinder 16 fuel feeding, and hydraulic cylinder 11 and main motion hydraulic cylinder 16 provide power, clamp body 4 is fixed on work top 7, alignment pin 5 coordinates with clamp body 4 keyway, alignment pin 5 can horizontal slip on clamp body 4, backstay 6 and clamp body 4 are together by a threaded connection, backstay 6 and alignment pin 5 are together by a threaded connection, one end and the lathe body 12 of work top 7 are linked together by fixed-hinged support, the other end is linked together by hinged-support and hydraulic cylinder 11, hydraulic cylinder 11 work strip is moved work top 7 one end and is raised, the fixed-hinged support of work top 7 on other end lathe body 12 rotates, after work top 7 rotates specified angle, hydraulic cylinder 11 pressurize, work top 7 is made to be fixed on this angle.

Guide bar 1 is arranged on Feed table 8 by screw, and along with hand feed device 13, worm and gear 10, on rack guide rail, 3 drive the movement of Feed table 8 to realize the change of the amount of feeding; Broaching tool sheet 2 is arranged on broaching tool bar 15, and broaching tool sheet 2 can be varying sized according to the different choice of width of keyway, and the bottom of broaching tool bar 15 is arranged on coupling mechanism 9, and both can realize relative sliding; The other end of coupling mechanism 9 is arranged on main motion hydraulic cylinder 16, and the motion of main motion hydraulic cylinder 16 drives broaching tool bar 15 to move up and down, thus realizes broaching tool sheet 2 main motion up and down reciprocatingly and broach, and makes the internal keyway of conical hole processed have corresponding width.The axle of hand feed device 13 is arranged on bearing block 18.

Alignment pin 5 is coordinated by keyway with clamp body 4, and alignment pin 5 can horizontal slip on clamp body 4, and backstay 6 and clamp body 4 are together by a threaded connection.

The processing unit (plant) of large-scale workpiece tapered hole internal keyway of the present invention, large-scale workpiece can be carried out process with the internal keyway in the hole of tapering, by locating large-scale workpiece and work top 7 being tilted 0 ~ 20 °, thus drive the inclination of workpiece, utilize work piece self relevant factor to position, process arbitrary taper taper hole keyway.There is little mechanism and process large workpiece, machining accuracy high, taper hole keyway processing in any tapered hole can be realized.To solve in the extreme large and heavy workpiece internal keyway of conical hole process with taper hole location difficult, the processing problems of tapering difficulty, improve the precision that large-scale workpiece is processed with the internal keyway in the hole of tapering to greatest extent.Structure is simple, and easy for installation, practical, standardization, the generalization degree of parts and components are high, have certain application value.

Claims (6)

1. a processing unit (plant) for large-scale workpiece tapered hole internal keyway, is characterized in that: comprise guide bar (1), broaching tool sheet (2), rack guide rail (3), clamp body (4), alignment pin (5), backstay (6), work top (7), Feed table (8), coupling mechanism (9), worm and gear (10), hydraulic cylinder (11), lathe body (12), hand feed device (13), broaching tool bar (15), main motion hydraulic cylinder (16), fixture (17) and bearing block (18); One end for the work top (7) placing also positioning workpieces is connected by fixed-hinged support with lathe body (12), the upper end of hydraulic cylinder (11) and the other end of work top (7) hinged, the lower end of hydraulic cylinder (11) and fixture (17) connect, and fixture (17) is connected in the bottom of lathe body (12); Hydraulic cylinder (11) and main motion hydraulic cylinder (16) provide power; Clamp body (4) is fixed on work top (7), and alignment pin (5) is connected with clamp body (4) key, and backstay (6) and clamp body (4) are threaded connection, and backstay (6) and alignment pin (5) are threaded connection; Hand feed device (13) is arranged on the side of lathe body (12), and guide bar (1) is fixedly mounted on Feed table (8), and the change realizing the amount of feeding along with hand feed device (13) drive Feed table (8) is mobile; Broaching tool sheet (2) is arranged on broaching tool bar (15), and the bottom of broaching tool bar (15) is arranged on the upper end of coupling mechanism (9); The lower end of coupling mechanism (9) is arranged on main motion hydraulic cylinder (16), and main motion hydraulic cylinder (16) is arranged on the bottom of lathe body (12); The inside of described lathe body (12) is provided with built-in workbench (14).
2. the processing unit (plant) of large-scale workpiece tapered hole internal keyway according to claim 1, it is characterized in that: described hand feed device (13) and worm and gear (10) connect, worm and gear (10) and rack guide rail (3) connect, and rack guide rail (3) is connected with Feed table (8).
3. the processing unit (plant) of large-scale workpiece tapered hole internal keyway according to claim 1, is characterized in that: the size of described broaching tool sheet (2) is suitable with processing width of keyway.
4. the processing unit (plant) of large-scale workpiece tapered hole internal keyway according to claim 1, is characterized in that: the motion of described main motion hydraulic cylinder (16) drives broaching tool bar (15) to move up and down, thus drives broaching tool sheet (2) to pump.
5. the processing unit (plant) of large-scale workpiece tapered hole internal keyway according to claim 1, is characterized in that: the axle of described hand feed device (13) is arranged on bearing block (18).
6. the processing unit (plant) of large-scale workpiece tapered hole internal keyway according to claim 1, is characterized in that: described guide bar (1) is arranged on Feed table (8) by screw.
CN201310220307.8A 2013-06-04 2013-06-04 A kind of processing unit (plant) of large-scale workpiece tapered hole internal keyway CN103240460B (en)

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103878646B (en) * 2014-03-12 2016-07-06 滕天阳 Built-in lathe
CN104096895B (en) * 2014-07-11 2016-04-06 桂林天祥机械制造有限公司 Through hole internal keyway processing method
CN104096896B (en) * 2014-07-11 2016-04-06 桂林天祥机械制造有限公司 Through hole internal keyway automatic processing device
CN104308272B (en) * 2014-09-26 2017-06-23 陕西法士特汽车传动集团有限责任公司 A kind of synchronizer gear sleeve flash trimmer and its application method
CN104898558B (en) * 2015-06-02 2018-05-01 重庆富川古圣机电有限公司 Slotting machine control system

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Publication number Priority date Publication date Assignee Title
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US1823975A (en) * 1922-03-17 1931-09-22 Oilgear Co Broaching machine
JP2005238425A (en) * 2004-02-27 2005-09-08 Nachi Fujikoshi Corp Broaching machine and inner surface broaching method
CN102029418A (en) * 2009-09-26 2011-04-27 蒋泽军 Steel plate edge milling machine with inclination adjusting device
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US1823975A (en) * 1922-03-17 1931-09-22 Oilgear Co Broaching machine
US1532107A (en) * 1923-01-19 1925-03-31 Oilgear Co Broaching machine
JP2005238425A (en) * 2004-02-27 2005-09-08 Nachi Fujikoshi Corp Broaching machine and inner surface broaching method
CN102029418A (en) * 2009-09-26 2011-04-27 蒋泽军 Steel plate edge milling machine with inclination adjusting device
CN102407379A (en) * 2011-09-07 2012-04-11 山推工程机械股份有限公司 Inner-cone spline broaching machine tool

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