CN204075343U - The device of planing miniature workpiece inner hole key slot - Google Patents
The device of planing miniature workpiece inner hole key slot Download PDFInfo
- Publication number
- CN204075343U CN204075343U CN201420535083.XU CN201420535083U CN204075343U CN 204075343 U CN204075343 U CN 204075343U CN 201420535083 U CN201420535083 U CN 201420535083U CN 204075343 U CN204075343 U CN 204075343U
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- CN
- China
- Prior art keywords
- slide plate
- knife rest
- planing
- inner hole
- key slot
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Abstract
The utility model discloses a kind of device of miniature workpiece inner hole key slot of planing, comprise an arc knife rest, arc knife rest one end bottom-hinged is on ground, the arc knife rest other end is unsettled, and be connected with a cam by lever, horizontally disposed knife bar unsettled in the middle part of in the of one is installed on arc knife rest top, and knife bar is provided with cutter; Cam is connected with the driving wheel of actuating unit by Timing Belt, the hinged connecting rod of eccentric position of driving wheel, the connecting rod other end and a horizontally disposed ram one end hinged, the ram other end is fixed on the vertical slide plate case arranged, up-down adjustment mechanism is provided with in slide plate case, slide plate case side is provided with the slide plate be connected with up-down adjustment mechanism, and slide plate side is fixed with setting element, and the location basal plane of setting element is respectively with the endoporus of required processing work and locate end face and match; Actuating unit drives ram, slide plate and setting element horizontal reciprocating to move, and actuating unit Timing Belt moving cam rotates, and under leverage, arc knife rest swings up and down along hinged end.
Description
Technical field
The utility model relates to a kind of device of miniature workpiece inner hole key slot of planing.
Background technology
Often have some small-sized cast iron sleeve, small-sized steel gears etc. in machining, its endoporus needs to process keyway.Because endoporus is less and width of keyway is not identical yet, if adopt wire pulling method, plurality of specifications broaching tool need be customized, on broaching machine tooling cost and work time cost larger.For small lot batch manufacture, usually adopt 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 the two ends keyway degree of depth different; When knife bar distortion is too large, cutter cannot cut workpiece at all.
Utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, a kind of device of miniature workpiece inner hole key slot of planing is provided, adopts planing operation principle, and knife bar adopts two ends fixed form, greatly improve process system rigidity, can be used for the processing of reduced size inner hole key slot.
For achieving the above object, the utility model adopts following technical proposals:
A kind of device of miniature workpiece inner hole key slot of planing, comprise an arc knife rest, described arc knife rest one end bottom-hinged is on fixture or ground, the arc knife rest other end is unsettled, and be connected with a cam by lever, horizontally disposed knife bar unsettled in the middle part of in the of one is installed on arc knife rest top, and knife bar is provided with cutter; Described cam is connected with the driving wheel of actuating unit by Timing Belt, the hinged connecting rod of eccentric position of described driving wheel, the connecting rod other end and a horizontally disposed ram one end hinged, the ram other end is fixed on the vertical slide plate case arranged, up-down adjustment mechanism is provided with in slide plate case, slide plate case side is provided with and can slides up and down along slide plate case and the slide plate be connected with up-down adjustment mechanism, slide plate side is fixed with setting element, and the location basal plane of described setting element is respectively with the endoporus of required processing work and locate end face and match; Actuating unit drives ram, slide plate and setting element horizontal reciprocating to move, and actuating unit Timing Belt moving cam rotates, and under leverage, arc knife rest swings up and down along hinged end.
Be installed on fixture or ground by turning cylinder and positioning sleeve bottom described arc knife rest one end.When tool dimension is different from width of keyway, tool position can suitably regulate, and by changing arc knife rest at turning cylinder axial location, is fixed by two positioning sleeves, to adapt to different in width keyway demand.
Described knife bar two ends are fixedly installed on arc knife rest, unsettled in the middle part of knife bar.Knife bar adopts two ends fix and strain, and knife bar rigidity is large, is conducive to machining, raises the 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 arc knife rest one end, and this link of arc knife rest is provided with a rectangular slotted eye, lever is secured by bolts in the rectangular slotted eye of this end, and its intermediate part is installed on base by turning cylinder.
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 comprises headstock and is arranged on the driving wheel 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 comprises the leading screw be 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 is through the slide plate side top nut extend in slide plate case.Rotate handwheel, by the threaded engagement of leading screw and nut, slide plate can be adjusted and move up and down along slide plate case.
The groove that the Kong Zhongyou of described setting element allows cutter to pass through.
The utility model adopts planing operation principle, and knife bar adopts two ends fixed form, greatly improves process system rigidity, can be used for the processing of reduced size inner hole key slot.The utility model is used for processing in endoporus keyway of planing, and comprises main motion, Workpiece fixing, tool feeding motion, the motion of cutter cutter relieving and rest position adjustment.
1) main motion
After slowing down, headstock drives driving wheel 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 traditional planing operation, and this planing operation mode is particularly suitable for processing keyway in miniature workpiece endoporus.
2) Workpiece fixing
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, allows cutter to pass through.Different according to inner hole of workpiece, setting element be changed.
3) feed motion
By restrictions such as knife bar rigidity, tool strength, the keyway degree of depth needs repeatedly feed to complete.Tool feeding motion is by manually completing.Rotate handwheel with hand, 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 cutting movement is not done in cutter backhaul, cutter leaves machined surface, reduces cutter wear of the tool flank and scratches machined surface.Be Synchronous Belt Drives between driving wheel and cam, namely main motion and cutter relieving contact for interior between moving.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 arc knife rest and to rotate moving axis swing.When ram moves to machining direction, arc knife rest makes knife bar be horizontal; During ram counter motion, lever makes arc knife rest rotate moving axis to lower swing, 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, arc rest position does not need adjustment; When tool dimension is different from width of keyway, tool position can suitably regulate.Change arc knife rest at turning cylinder axial location, fixed by positioning sleeve (2).
Technical characterstic of the present utility model is:
1) moving component is different from traditional 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 fix and strain, and knife bar rigidity is large, is conducive to machining, raises the efficiency; The aperture keyway that general planer cannot be processed can be processed.
3) workpiece counter motion, when not making cutting movement, cutter can automatic withdrawal, reduces knife face and machined surface friction after cutter, reduces surface roughness, raising cutter life.
4) process width of keyway can regulate, one can process multiple width specifications keyway cutter.
Accompanying drawing explanation
Fig. 1 is an example structure schematic diagram of the present utility model;
Wherein 1 arc knife rest, 2. positioning sleeve, 3. turning cylinder, 4. setting element, 5. knife bar, 6. cutter, 7. slide plate, 8. leading screw, 9. handwheel, 10. ram, 11. connecting rods, 12. driving wheels, 13. headstocks, 14. Timing Belts, 15. cams, 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 utility model is further illustrated.
As shown in Figure 1, to plane the device of miniature workpiece inner hole key slot, comprise an arc knife rest 1, cross turning cylinder 3 bottom described arc knife rest 1 one end and positioning sleeve 2 is articulated with on fixture or ground, arc 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 arc knife rest 1 at turning cylinder 3 axial location, is fixed by two positioning sleeves 2, to adapt to different in width keyway demand.
Horizontally disposed knife bar 5 unsettled in the middle part of in the of one is installed on arc knife rest 1 top, and namely knife bar 5 two ends are fixedly installed on arc knife rest 1, and wherein one end is fixed on arc knife rest 1 by packing ring 17 and nut 18, knife bar 5 is provided with cutter 6; Knife bar 5 adopts two ends to fix and strains, and knife bar 5 rigidity is large, is conducive to machining, raises the 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 driving wheel 12 of actuating unit by synchronous cog belt.Actuating unit comprises headstock 13 and is arranged on the driving wheel 12 on headstock 13 output shaft, is provided with motor in headstock 13.
Lever 8 one end is installed on by roller in the cam path of cam 15, the other end is fixedly installed in arc knife rest 1 one end, and this link of arc knife rest 1 is provided with a rectangular slotted eye, lever 8 is secured by bolts in the rectangular slotted eye of this end, by the adjustment position of lever 8 in this rectangular slotted eye, realize arc knife rest 1 along turning cylinder 3 amplitude of fluctuation size, be installed on base by turning cylinder 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 driving wheel 12, connecting rod 11 other end and horizontally disposed ram 10 one end hinged, ram 10 other end is fixed on vertical slide plate case 19 1 side arranged; Ram 10 is installed in horizontal sliding sleeve, and ram 10 can move back and forth along sliding sleeve.
Be provided with up-down adjustment mechanism in slide plate case 19, slide plate case 19 opposite side is provided with and can slides up and down along slide plate case 19 and the slide plate 7 be connected with up-down adjustment mechanism.Up-down adjustment mechanism comprises the leading screw 8 be 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 is through the slide plate side top nut extend in slide plate case 19.Rotate handwheel 9, by the threaded engagement of leading screw 8 with nut, slide plate 7 can be adjusted 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 is respectively with the endoporus of required processing work 20 and locate end face and match; The groove that the Kong Zhongyou of setting element 4 allows 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, arc knife rest 1 swings up and down along the turning cylinder 3 of hinged end.
The utility model is used for processing in endoporus keyway of planing, and its transmission system and part-structure are shown in Fig. 1.Comprise main motion, Workpiece fixing 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 driving wheel 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 traditional planing operation.
2) Workpiece fixing
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, allows cutter to pass through.Different according to inner hole of workpiece, setting element 4 be changed.
3) feed motion
By restrictions such as knife bar rigidity, tool strength, the keyway degree of depth needs repeatedly feed to complete.Tool feeding motion is by manually completing.Rotate handwheel 9 with hand, screw-nut body 8 drives slide plate 7, and workpiece radial displacement realizes the Tool in Cutting degree of depth and changes.
4) cutter cutter relieving motion
When cutting movement is not done in cutter backhaul, cutter leaves machined surface, reduces cutter wear of the tool flank and scratches machined surface.Be Synchronous Belt Drives between driving wheel 12 and cam 15, namely main motion and cutter relieving contact for interior between moving.Cam 15 cam path is made up of two sections of different radii circular arcs and changeover portion.Be fixed bias circuit in the middle of lever 16, one end roller is in cam path, and the other end prizes arc knife rest 1 moving axis 3 that rotates and swings.When ram 10 moves to machining direction, arc knife rest 1 makes knife bar 5 be horizontal; During ram 10 counter motion, lever 16 makes arc knife rest 1 rotate moving axis 3 to lower swing, 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, arc knife rest 1 position does not need adjustment; When tool dimension is different from width of keyway, tool position can suitably regulate.Change arc knife rest 1 at turning cylinder 3 axial location, fixed by positioning sleeve 2 (2).
By reference to the accompanying drawings detailed description of the invention of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (10)
1. the device of miniature workpiece inner hole key slot of planing, it is characterized in that, comprise an arc knife rest, described arc knife rest one end bottom-hinged is on fixture or ground, the arc knife rest other end is unsettled, and be connected with a cam by lever, horizontally disposed knife bar unsettled in the middle part of in the of is installed on arc knife rest top, and knife bar is provided with cutter; Described cam is connected with the driving wheel of actuating unit by Timing Belt, the hinged connecting rod of eccentric position of described driving wheel, the connecting rod other end and a horizontally disposed ram one end hinged, the ram other end is fixed on the vertical slide plate case arranged, up-down adjustment mechanism is provided with in slide plate case, slide plate case side is provided with and can slides up and down along slide plate case and the slide plate be connected with up-down adjustment mechanism, slide plate side is fixed with setting element, and the location basal plane of described setting element is respectively with the endoporus of required processing work and locate end face and match; Actuating unit drives ram, slide plate and setting element horizontal reciprocating to move, and actuating unit Timing Belt moving cam rotates, and under leverage, arc knife rest swings up and down along hinged end.
2. the device of planing miniature workpiece inner hole key slot as claimed in claim 1, be is characterized in that, be installed on fixture or ground bottom described arc knife rest one end by turning cylinder and positioning sleeve.
3. the device of planing miniature workpiece inner hole key slot as claimed in claim 1, it is characterized in that, described knife bar two ends are fixedly installed on arc knife rest, unsettled in the middle part of knife bar.
4. the device of planing miniature workpiece inner hole key slot as claimed in claim 1, it is characterized in that, described cam is fixed on fixture or ground.
5. the device of planing miniature workpiece inner hole key slot 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 arc knife rest one end, and this link of arc knife rest is provided with a rectangular slotted eye, lever is secured by bolts in the rectangular slotted eye of this end, and its intermediate part is installed on base by turning cylinder.
6. the device of planing miniature workpiece inner hole key slot as claimed in claim 5, it 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 planing miniature workpiece inner hole key slot as claimed in claim 1, it is characterized in that, described actuating unit comprises headstock and is arranged on the driving wheel on headstock output shaft, is provided with motor in headstock.
8. the device of planing miniature workpiece inner hole key slot as claimed in claim 1, it is characterized in that, described ram is installed in horizontal sliding sleeve.
9. the device of planing miniature workpiece inner hole key slot as claimed in claim 1, it is characterized in that, described up-down adjustment mechanism comprises the leading screw be 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 is through the slide plate side top nut extend in slide plate case.
10. the device of planing miniature workpiece inner hole key slot as claimed in claim 1, is characterized in that, the groove that the Kong Zhongyou of described setting element allows cutter to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420535083.XU CN204075343U (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 |
|---|---|---|---|
| CN201420535083.XU CN204075343U (en) | 2014-09-17 | 2014-09-17 | The device of planing miniature workpiece inner hole key slot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204075343U true CN204075343U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420535083.XU Withdrawn - After Issue CN204075343U (en) | 2014-09-17 | 2014-09-17 | The device of planing miniature workpiece inner hole key slot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204075343U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191025A (en) * | 2014-09-17 | 2014-12-10 | 济南大学 | Small workpiece inner hole keyway planing device |
| CN110076383A (en) * | 2019-04-29 | 2019-08-02 | 江苏正恺电子科技有限公司 | A kind of abnormity keyway High-speed machining platform and its processing method |
-
2014
- 2014-09-17 CN CN201420535083.XU patent/CN204075343U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191025A (en) * | 2014-09-17 | 2014-12-10 | 济南大学 | Small workpiece inner hole keyway planing device |
| CN104191025B (en) * | 2014-09-17 | 2016-06-08 | 济南大学 | The device of planing miniature workpiece inner hole key slot |
| CN110076383A (en) * | 2019-04-29 | 2019-08-02 | 江苏正恺电子科技有限公司 | A kind of abnormity keyway High-speed machining platform and its processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150107 Effective date of abandoning: 20160608 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |