CN104191025B - The device of planing miniature workpiece inner hole key slot - Google Patents
The device of planing miniature workpiece inner hole key slot Download PDFInfo
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- CN104191025B CN104191025B CN201410480098.5A CN201410480098A CN104191025B CN 104191025 B CN104191025 B CN 104191025B CN 201410480098 A CN201410480098 A CN 201410480098A CN 104191025 B CN104191025 B CN 104191025B
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- slide plate
- knife rest
- planing
- inner hole
- arch
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Abstract
The invention discloses the device of a kind of miniature workpiece inner hole key slot of planing, including an arch knife rest, arch knife rest one end bottom-hinged is on ground, the arch knife rest other end is unsettled, and be connected by lever and a cam, horizontally disposed knife bar unsettled in the middle part of in the of one is installed on arch knife rest top, and knife bar is provided with cutter; Cam is connected with the drivewheel of actuating unit by Timing Belt, the hinged connecting rod of eccentric position of drivewheel, the connecting rod other end and a horizontally disposed ram one end are hinged, the ram other end is fixed on vertically arranged slide plate case, slide plate case is provided with up-down adjustment mechanism, slide plate case side is provided with the slide plate being connected with up-down adjustment mechanism, and slide plate side is fixed with setting element, and the location basal plane of setting element matches with the endoporus of required processing work and location end face respectively; Actuating unit drives ram, slide plate and setting element horizontal reciprocating to move, and actuating unit Timing Belt moving cam rotates, and under leverage, arch knife rest swings up and down along hinged end.
Description
Technical field
The present invention relates to the device of a kind of miniature workpiece inner hole key slot of planing.
Background technology
Often having some small-sized cast iron sleeve, small-sized steel gears etc. in machining, its endoporus needs processing keyway. Owing to endoporus is less and width of keyway also differs, if adopting wire pulling method, need to customizing plurality of specifications broaching tool, on broaching machine, tooling cost and work time cost are bigger. For small lot batch manufacture, generally adopting shaping machine planing operation, it is cantilever support that knife bar is fixed on knife rest, and particularly when inner hole of workpiece is less, knife bar too carefully can produce very large deformation, causes that the two ends keyway degree of depth is different; When knife bar deformation is too big, cutter cannot cut workpiece at all.
Summary of the invention
It is an object of the invention to as overcoming above-mentioned the deficiencies in the prior art, the device of a kind of miniature workpiece inner hole key slot of planing is provided, adopts planing operation principle, and knife bar adopts two ends fixed form, it is greatly improved process system rigidity, can be used for the processing of reduced size inner hole key slot.
For achieving the above object, the present invention adopts following technical proposals:
A kind of device of miniature workpiece inner hole key slot of planing, including an arch knife rest, described arch knife rest one end bottom-hinged is on fixture or ground, the arch knife rest other end is unsettled, and be connected by lever and a cam, horizontally disposed knife bar unsettled in the middle part of in the of one is installed on arch knife rest top, and knife bar is provided with cutter; Described cam is connected with the drivewheel of actuating unit by Timing Belt, the hinged connecting rod of eccentric position of described drivewheel, the connecting rod other end and a horizontally disposed ram one end are hinged, the ram other end is fixed on vertically arranged slide plate case, slide plate case is provided with up-down adjustment mechanism, slide plate case side is provided with the slide plate sliding up and down along slide plate case and being connected with up-down adjustment mechanism, slide plate side is fixed with setting element, and the location basal plane of described setting element matches with the endoporus of required processing work and location end face respectively; Actuating unit drives ram, slide plate and setting element horizontal reciprocating to move, and actuating unit Timing Belt moving cam rotates, and under leverage, arch knife rest swings up and down along hinged end.
It is installed on fixture or ground by rotation axle and positioning sleeve bottom described arch knife rest one end.When tool dimension is different from width of keyway, tool position can suitably regulate, and by changing arch knife rest rotating axle axial location, fixes, to adapt to different in width keyway demand two positioning sleeves.
Described knife bar two ends are fixedly installed on arch knife rest, unsettled in the middle part of knife bar. Knife bar adopts two ends to fix and strain, and knife bar rigidity is big, is conducive to machining, improves efficiency; The aperture keyway that general planer cannot be processed can be processed.
Described cam is fixed on fixture or ground.
Described lever one end is installed in the cam path of cam by roller, the other end is fixedly installed in arch knife rest one end, and this link of arch knife rest is provided with a strip slotted eye, lever is secured by bolts in the strip slotted eye of this end, and its intermediate part is installed on base by rotating axle.
Described cam path is connected to form by two sections of different radii circular arcs and changeover portion.
Described Timing Belt is synchronous cog belt.
Described actuating unit includes headstock and is arranged on the drivewheel on headstock output shaft, is provided with motor in headstock.
Described ram is installed in horizontal sliding sleeve. Ram can move back and forth along sliding sleeve.
Described up-down adjustment mechanism includes the leading screw being arranged in slide plate case and the handwheel being positioned at slide plate case outer upper, and handwheel is connected with leading screw upper end, and leading screw traverse extend into the slide plate side top nut in slide plate case. Rotate handwheel, by the threaded engagement of leading screw Yu nut, it is possible to adjust slide plate and move up and down along slide plate case.
The hole of described setting element has the groove allowing cutter to pass through.
The present invention adopts planing operation principle, and knife bar adopts two ends fixed form, is greatly improved process system rigidity, can be used for the processing of reduced size inner hole key slot. The present invention is for processing planing keyway in endoporus, including main motion, workpiece location, tool feeding motion, the motion of cutter cutter relieving and rest position adjustment.
1) main motion
After slowing down, headstock drives drivewheel to rotate, and connecting rod drives ram linear reciprocating motion. In traditional planing operation, cutter does straight reciprocating motion, and in this device, ram movement drives the motion of workpiece counter-knife, and therefore this motion is the main motion of machining. Workpiece does rectilinear motion and cutter transfixion, and this is also the place different from tradition planing operation, and this planing operation mode is particularly suitable in miniature workpiece endoporus processing keyway.
2) workpiece location
Setting element is fixed on slide plate. Inner hole of workpiece and location end face coordinate with the location basal plane of setting element respectively, and by clamp system by Workpiece clamping. Setting element has groove in hole, it is allowed to cutter passes through. Different according to inner hole of workpiece, setting element will be changed.
3) feed motion
Being limited by knife bar rigidity, tool strength etc., the keyway degree of depth needs repeatedly feed to complete. Tool feeding is moved by manually completing. Rotating handwheel with hands, screw-nut body drives slide plate, and workpiece radial displacement realizes the Tool in Cutting degree of depth and changes.
4) cutter cutter relieving motion
When cutter backhaul does not do cutting movement, cutter leaves machined surface, reduces cutter wear of the tool flank and scratches machined surface. It is Synchronous Belt Drives between drivewheel and cam, namely contacts for interior between main motion and cutter relieving motion. The cam path of cam is made up of two sections of different radii circular arcs and changeover portion. Be fixed bias circuit in the middle of lever, one end roller is in cam path, and the other end prizes arch knife rest and rotates moving axis swing.When ram moves to machining direction, arch knife rest makes knife bar be horizontal; During ram adverse movement, lever makes arch knife rest rotate moving axis swung downward, and cutter and machined surface disengage.
5) rest position adjustment
Rest position adjustment adapts to different in width keyway. When tool dimension is identical with width of keyway, arch rest position does not need to adjust; When tool dimension is different from width of keyway, tool position can suitably regulate. Change arch knife rest and rotating axle axial location, positioning sleeve (2) fix.
The present invention is technically characterized by comprising the steps as follows:
1) moving component is different from tradition planing operation: straight reciprocating motion done by workpiece, cutter transfixion in machining.
2) knife bar is not that cantilever support is installed, but adopts two ends to fix and strain, and knife bar rigidity is big, is conducive to machining, improves efficiency; The aperture keyway that general planer cannot be processed can be processed.
3) workpiece adverse movement, when not making cutting movement, cutter can automatic withdrawal, reduce knife face and machined surface friction after cutter, reduce surface roughness, improve cutter life.
4) processing width of keyway can regulate, and a cutter can process multiple width specifications keyway.
Accompanying drawing explanation
Fig. 1 is one embodiment of the present of invention structural representation;
Wherein 1 arch knife rest, 2. positioning sleeve, 3. rotates axle, 4. setting element, 5. knife bar, 6. cutter, 7. slide plate, 8. leading screw, 9. handwheel, 10. ram, 11. connecting rods, 12. drivewheels, 13. headstocks, 14. Timing Belts, 15. cam, 16. levers, 17 packing rings, 18. nuts, 19. slide plate casees, 20. workpiece.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 1, the device of a kind of miniature workpiece inner hole key slot of planing, including an arch knife rest 1, crosses rotation axle 3 bottom described arch knife rest 1 one end and positioning sleeve 2 is articulated with on fixture or ground, arch knife rest 1 other end is unsettled, and is connected with a cam 15 by lever 8. When tool dimension is different from width of keyway, tool position can suitably regulate, and by changing arch knife rest 1 rotating axle 3 axial location, fixes, to adapt to different in width keyway demand two positioning sleeves 2.
Horizontally disposed knife bar 5 unsettled in the middle part of in the of one is installed on arch knife rest 1 top, and namely knife bar 5 two ends are fixedly installed on arch knife rest 1, and wherein one end is fixed on arch knife rest 1 by packing ring 17 and nut 18, and knife bar 5 is provided with cutter 6; Knife bar 5 adopts two ends to fix and strains, and knife bar 5 rigidity is big, is conducive to machining, improves efficiency; The aperture keyway that general planer cannot be processed can be processed.
Cam 15 is fixed on fixture or ground, and cam 15 is connected with the drivewheel 12 of actuating unit by synchronous cog belt. Actuating unit includes headstock 13 and is arranged on the drivewheel 12 on headstock 13 output shaft, is provided with motor in headstock 13.
Lever 8 one end is installed in the cam path of cam 15 by roller, the other end is fixedly installed in arch knife rest 1 one end, and this link of arch knife rest 1 is provided with a strip slotted eye, lever 8 is secured by bolts in the strip slotted eye of this end, by adjusting the lever 8 position in this strip slotted eye, realize arch knife rest 1 along rotating axle 3 amplitude of fluctuation size, be installed on base by rotation axle in the middle part of lever 8. Cam path is connected to form by two sections of different radii circular arcs and changeover portion.
The hinged connecting rod 11 of eccentric position of drivewheel 12, connecting rod 11 other end and horizontally disposed ram 10 one end are hinged, and ram 10 other end is fixed on vertically arranged slide plate case 19 one side;Ram 10 is installed in horizontal sliding sleeve, and ram 10 can move back and forth along sliding sleeve.
Being provided with up-down adjustment mechanism in slide plate case 19, slide plate case 19 opposite side is provided with the slide plate 7 sliding up and down along slide plate case 19 and being connected with up-down adjustment mechanism. Up-down adjustment mechanism includes the leading screw 8 being arranged in slide plate case and the handwheel 9 being positioned at slide plate case 19 outer upper, and handwheel 9 is connected with leading screw 8 upper end, and leading screw 8 traverse extend into the slide plate side top nut in slide plate case 19. Rotate handwheel 9, by the threaded engagement of leading screw 8 with nut, it is possible to adjust slide plate 7 and move up and down along slide plate case.
Slide plate 7 side is fixed with setting element 4, and the location basal plane of described setting element 4 matches with the endoporus of required processing work 20 and location end face respectively; The hole of setting element 4 has the groove allowing cutter to pass through.
Actuating unit drives ram 10, slide plate case 19, slide plate 7 and setting element 4 horizontal reciprocating to move, and actuating unit Timing Belt moving cam 15 rotates, and under lever 16 acts on, arch knife rest 1 swings up and down along the rotation axle 3 of hinged end.
The present invention is for processing planing keyway in endoporus, and its drive system and part-structure are shown in Fig. 1. Including main motion, workpiece localization method, tool feeding motion, the motion of cutter cutter relieving and rest position method of adjustment etc.
1) main motion
After slowing down, headstock 13 drives drivewheel 12 to rotate, and connecting rod 11 drives ram 10 linear reciprocating motion. In traditional planing operation, cutter does straight reciprocating motion, and in this device, ram movement drives the motion of workpiece counter-knife, and therefore this motion is the main motion of machining. Workpiece does rectilinear motion and cutter transfixion, and this is also the place different from tradition planing operation.
2) workpiece location
Setting element 4 is fixed on slide plate 7. Inner hole of workpiece and location end face coordinate with the location basal plane of setting element 4 respectively, and by clamp system by Workpiece clamping. Setting element has groove in hole, it is allowed to cutter passes through. Different according to inner hole of workpiece, setting element 4 will be changed.
3) feed motion
Being limited by knife bar rigidity, tool strength etc., the keyway degree of depth needs repeatedly feed to complete. Tool feeding is moved by manually completing. Rotating handwheel 9 with hands, screw-nut body 8 drives slide plate 7, workpiece radial displacement to realize the change of the Tool in Cutting degree of depth.
4) cutter cutter relieving motion
When cutter backhaul does not do cutting movement, cutter leaves machined surface, reduces cutter wear of the tool flank and scratches machined surface. It is Synchronous Belt Drives between drivewheel 12 and cam 15, namely contacts for interior between main motion and cutter relieving motion. Cam 15 cam path is made up of two sections of different radii circular arcs and changeover portion. Being fixed bias circuit in the middle of lever 16, one end roller is in cam path, and the other end prizes arch knife rest 1 moving axis 3 that rotates and swings. When ram 10 moves to machining direction, arch knife rest 1 makes knife bar 5 be horizontal; During ram 10 adverse movement, lever 16 makes arch knife rest 1 rotate moving axis 3 swung downward, and cutter 6 and machined surface disengage.
5) rest position adjustment
Rest position adjustment adapts to different in width keyway. When tool dimension is identical with width of keyway, arch knife rest 1 position does not need to adjust; When tool dimension is different from width of keyway, tool position can suitably regulate. Change arch knife rest 1 and rotating axle 3 axial location, positioning sleeve 2 (2) fix.
The specific embodiment of the present invention is described in conjunction with accompanying drawing although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme, those skilled in the art need not pay various amendments or deformation that creative work can make still within protection scope of the present invention.
Claims (10)
1. the device of a miniature workpiece inner hole key slot of planing, it is characterized in that, including an arch knife rest, described arch knife rest one end bottom-hinged is on fixture or ground, the arch knife rest other end is unsettled, and be connected by lever and a cam, horizontally disposed knife bar unsettled in the middle part of in the of is installed on arch knife rest top, and knife bar is provided with cutter; Described cam is connected with the drivewheel of actuating unit by Timing Belt, the hinged connecting rod of eccentric position of described drivewheel, the connecting rod other end and a horizontally disposed ram one end are hinged, the ram other end is fixed on vertically arranged slide plate case, slide plate case is provided with up-down adjustment mechanism, slide plate case side is provided with the slide plate sliding up and down along slide plate case and being connected with up-down adjustment mechanism, slide plate side is fixed with setting element, and the location basal plane of described setting element matches with the endoporus of required processing work and location end face respectively; Actuating unit drives ram, slide plate and setting element horizontal reciprocating to move, and actuating unit Timing Belt moving cam rotates, and under leverage, arch knife rest swings up and down along hinged end.
2. the device of miniature workpiece inner hole key slot of planing as claimed in claim 1, be is characterized in that, be installed on fixture or ground by rotation axle and positioning sleeve bottom described arch knife rest one end.
3. the device of miniature workpiece inner hole key slot of planing as claimed in claim 1, is characterized in that, described knife bar two ends are fixedly installed on arch knife rest, unsettled in the middle part of knife bar.
4. the device of miniature workpiece inner hole key slot of planing as claimed in claim 1, is characterized in that, described cam is fixed on fixture or ground.
5. the device of miniature workpiece inner hole key slot of planing as claimed in claim 1, it is characterized in that, described lever one end is installed in the cam path of cam by roller, the other end is fixedly installed in arch knife rest one end, and the link of arch knife rest is provided with a strip slotted eye, lever is secured by bolts in the strip slotted eye of this link, and its intermediate part is installed on base by rotating axle.
6. the device of miniature workpiece inner hole key slot of planing as claimed in claim 5, is characterized in that, described cam path is connected to form by two sections of different radii circular arcs and changeover portion.
7. the device of miniature workpiece inner hole key slot of planing as claimed in claim 1, is characterized in that, described actuating unit includes headstock and is arranged on the drivewheel on headstock output shaft, is provided with motor in headstock.
8. the device of miniature workpiece inner hole key slot of planing as claimed in claim 1, is characterized in that, described ram is installed in horizontal sliding sleeve.
9. the device of miniature workpiece inner hole key slot of planing as claimed in claim 1, it is characterized in that, described up-down adjustment mechanism includes the leading screw being arranged in slide plate case and the handwheel being positioned at slide plate case outer upper, handwheel is connected with leading screw upper end, and leading screw traverse extend into the slide plate side top nut in slide plate case.
10. the device of miniature workpiece inner hole key slot of planing as claimed in claim 1, is characterized in that there is the groove allowing cutter to pass through in the hole of described setting element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410480098.5A CN104191025B (en) | 2014-09-17 | 2014-09-17 | The device of planing miniature workpiece inner hole key slot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410480098.5A CN104191025B (en) | 2014-09-17 | 2014-09-17 | The device of planing miniature workpiece inner hole key slot |
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| Publication Number | Publication Date |
|---|---|
| CN104191025A CN104191025A (en) | 2014-12-10 |
| CN104191025B true CN104191025B (en) | 2016-06-08 |
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| CN201410480098.5A Expired - Fee Related CN104191025B (en) | 2014-09-17 | 2014-09-17 | The device of planing miniature workpiece inner hole key slot |
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| CN105171096A (en) * | 2015-10-27 | 2015-12-23 | 北华航天工业学院 | Mechanical shaping machine primary motion mechanism |
| CN108161126A (en) * | 2017-11-29 | 2018-06-15 | 江阴市永兴机械制造有限公司 | A kind of spline squeezes knife and the pressing method of spline drived gear interval |
| CN108583127B (en) * | 2018-04-28 | 2020-05-26 | 重庆工业职业技术学院 | Device for sculpture |
| CN109249073B (en) * | 2018-11-20 | 2023-09-05 | 惠州市屹沣电子科技有限公司 | Cam connecting rod swing cutter-back mechanism |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038960A (en) * | 1988-06-29 | 1990-01-24 | 王丕承 | The method that adds section chief's cylindrical work pieces endoporus with metal-planing machine |
| CN2109906U (en) * | 1991-10-19 | 1992-07-15 | 贺朝江 | Recipocating planer |
| CN2150951Y (en) * | 1992-12-12 | 1993-12-29 | 陈文卓 | Automatic tool withdrawing unit of planer |
| CN2640672Y (en) * | 2003-08-15 | 2004-09-15 | 中国石油化工股份有限公司中原油田分公司采油五厂 | Novel planer |
| CN2827595Y (en) * | 2005-10-14 | 2006-10-18 | 许德元 | Key groove slotting machine |
| CN201189576Y (en) * | 2008-05-13 | 2009-02-04 | 天津市中重科技工程有限公司 | Apparatus for processing large-sized long shaft inner spline on planing machine |
| CN204075343U (en) * | 2014-09-17 | 2015-01-07 | 济南大学 | The device of planing miniature workpiece inner hole key slot |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5280595A (en) * | 1975-12-27 | 1977-07-06 | Ninomiya Seisakushiyo Yuugen | Device for cutting and forming outer peripheral grooved stripes for knob |
-
2014
- 2014-09-17 CN CN201410480098.5A patent/CN104191025B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038960A (en) * | 1988-06-29 | 1990-01-24 | 王丕承 | The method that adds section chief's cylindrical work pieces endoporus with metal-planing machine |
| CN2109906U (en) * | 1991-10-19 | 1992-07-15 | 贺朝江 | Recipocating planer |
| CN2150951Y (en) * | 1992-12-12 | 1993-12-29 | 陈文卓 | Automatic tool withdrawing unit of planer |
| CN2640672Y (en) * | 2003-08-15 | 2004-09-15 | 中国石油化工股份有限公司中原油田分公司采油五厂 | Novel planer |
| CN2827595Y (en) * | 2005-10-14 | 2006-10-18 | 许德元 | Key groove slotting machine |
| CN201189576Y (en) * | 2008-05-13 | 2009-02-04 | 天津市中重科技工程有限公司 | Apparatus for processing large-sized long shaft inner spline on planing machine |
| CN204075343U (en) * | 2014-09-17 | 2015-01-07 | 济南大学 | The device of planing miniature workpiece inner hole key slot |
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Granted publication date: 20160608 Termination date: 20200917 |