CN204183311U - A kind of speed change gear of drilling and milling machine - Google Patents
A kind of speed change gear of drilling and milling machine Download PDFInfo
- Publication number
- CN204183311U CN204183311U CN201420544617.5U CN201420544617U CN204183311U CN 204183311 U CN204183311 U CN 204183311U CN 201420544617 U CN201420544617 U CN 201420544617U CN 204183311 U CN204183311 U CN 204183311U
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- China
- Prior art keywords
- gear
- drilling
- milling machine
- speed
- internal spline
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of speed change gear of drilling and milling machine, include servomotor, servomotor export main shaft be provided with passive low-speed gear and passive high gear, initiatively external splines rotating shaft, active external splines rotating shaft overlaps the clutch internal spline having to adapt mention, motor exports the link rod that main shaft is also connected to air cylinder device, change clutch internal spline by air cylinder device to mention and passive low-speed gear and the combination of passive high gear, thus reach shift, be applicable to drilling and milling machine, can reach and speed change processing is carried out to workpiece, use the utility model, features simple structure, cost is low, the fast transition of speed change can be improved again and improve work pieces process speed, and it is easy to use, drilling machine can be widely used in, milling machine, the fields such as machining center.
Description
Technical field
The utility model relates to a kind of mechanical assist device being applicable to drilling and milling machine, belongs to mechanical field, specifically a kind of speed change gear of drilling and milling machine.
Background technology
Drilling machine, milling machine are the indispensable process equipments of machine-building and repair factory, and it utilizes a motor to drive a main shaft, and the lower end of main shaft is provided with a drill point, and drill point is clamped with a drill bit.Workpiece is normally clamped by the pliers on workbench and is fixed on workbench.Motor drives after main axis, manually or auto-feed Drilling operation is carried out to the workpiece be held on workbench.In addition, gear, belt can be divided into and add the large class of gearbox speed change two in the speed change system of existing drilling machine, milling machine.But, although the speed change gear that this kind controls the speed of mainshaft is multi-change speed, but when rotating speed needed for the material of workpiece or hardness variation, if the rotating speed that required rotating speed is not preset in speed change system, the problem that operation inconvenience and processing quality decline will be caused.And take the technology such as gearbox electrodeless variable-speed, structure is but very complicated, and cost is high.Therefore, improved for multi-stag speed change system, make it can reach infinite variable speed object, truly have the necessity that it is researched and developed.
Summary of the invention
It is low that the purpose of this utility model is to provide a kind of features simple structure, cost, the speed change gear of the fast transition that can improve again speed change and a kind of drilling and milling machine improving work pieces process speed.
For reaching above object, the technical scheme that the utility model adopts is: a kind of speed change gear of drilling and milling machine, include servomotor, servomotor export main shaft be provided with passive low-speed gear and passive high gear, the centre exporting main shaft at passive low-speed gear and passive high gear motor is provided with an initiatively external splines rotating shaft, active external splines rotating shaft overlaps the clutch internal spline having to adapt and mentions; Described clutch internal spline mentions that top and bottom are provided with projection, and described passive low-speed gear and passive high gear and clutch internal spline mention that corresponding surface is provided with groove; Described active external splines rotating shaft is provided with shift pin and moves up and down oval shift cotter way, and clutch internal spline corresponding is with it mentioned and is also provided with pin shaft hole; Described servomotor exports the link rod that main shaft is also connected to air cylinder device.The active external splines rotating shaft that motor exports main shaft is set to overlap inlet casing link rod, the upper end of cylinder link rod is provided with pin shaft hole, by clutch internal spline, series connection bearing pin mentions that pin shaft hole injects the shift cotter way of initiatively external splines rotating shaft, enter the pin shaft hole of cylinder link rod upper end.Motor cabinet is installed with servomotor, and air cylinder device frame is installed with air cylinder device, and motor cabinet is connected to air cylinder device frame and is fixed on drilling and milling machine workbench.
The beneficial effects of the utility model are: compared with the employing stepless gearbox used at present or single drilling and milling machine using gear or belt, this features simple structure, cost are low, the fast transition of speed change can be improved again and improve work pieces process speed, and easy to use, the field such as drilling machine, milling machine can be widely used in.
Accompanying drawing explanation
Fig. 1 is that the utility model structure splits schematic diagram.
Fig. 2 is that the utility model is arranged on using state schematic diagram on drilling machine.
Detailed description of the invention
For describing in detail the utility model further, be described embodiment by reference to the accompanying drawings, protection domain of the present utility model is not limited only to following instance, and all contents identical or equivalent with the technical solution of the utility model all fall into the protection domain of the utility model.
With reference to accompanying drawing 1, a kind of speed change gear of drilling and milling machine, include servomotor 1, servomotor 1 exports main shaft 2 and is provided with passive low-speed gear 3 and passive high gear 4, the centre exporting main shaft 2 at passive low-speed gear 3 and passive high gear 4 servomotor is provided with an initiatively external splines rotating shaft 5, active external splines rotating shaft 5 overlaps the clutch internal spline having to adapt and mentions 6; Described clutch internal spline mentions that 6 upper and lower surfaces are provided with projection 7, with clutch internal spline, described passive low-speed gear 3 and passive high gear 4 mention that 6 corresponding surfaces are provided with groove 8; Described active external splines rotating shaft 5 is provided with and moves up and down oval shift cotter way 9, and clutch internal spline corresponding with it mentions that 6 are also provided with pin shaft hole 10; Described servomotor exports the link rod 11 that main shaft 2 is also connected to air cylinder device 13.The active external splines rotating shaft 5 that motor exports main shaft 2 is set to overlap inlet casing link rod 11, the upper end of cylinder link rod 11 is provided with pin shaft hole 10, by clutch internal spline, series connection bearing pin 14 mentions that 6 pin shaft holes 10 inject the shift cotter way 9 of initiatively external splines rotating shaft 5, enter the pin shaft hole 10 of cylinder link rod 11 upper end.Motor cabinet 12 is installed with servomotor 1, and air cylinder device frame 15 is installed with air cylinder device 13, and motor cabinet 12 is connected to air cylinder device frame 15 and is fixed on drilling and milling machine workbench 16.
As embodiment, with reference to accompanying drawing 1, Fig. 2, the utility model is work like this on drilling machine, speed change gear is fixed on drilling machine, corresponding with the auger axis 17 of drilling machine, drill press spindle 17 is also provided with corresponding high gear 18 and low-speed gear 19, belt 20 is connected at the passive low-speed gear 3 of speed change gear and the low-speed gear 19 of drill press spindle, belt 20 is connected at the passive high gear 4 of speed change gear and the high gear 18 of drill press spindle, when workpiece needs the drill bit 21 of High Rotation Speed to work, at this moment the air cylinder device 13 of speed change gear is started, air cylinder connecting rod 11 is active external splines rotating shaft 5, mention that 6 toward drop-down together with clutch internal spline, clutch internal spline mentions that the projection 7 of 6 falls into the groove 8 of passive high gear 4, start servomotor 1, passive high gear 4 drives main shaft 17 high gear 18 of drilling machine to rotate, thus workpiece is processed, now servomotor exports the passive low-speed gear 3 not rotation of main shaft 2.When same workpiece needs the drill bit 21 of low speed rotation to work, servomotor 1 stops, start air cylinder device 13, air cylinder connecting rod 11 is active external splines rotating shaft 5, mention that 6 up push away together with clutch internal spline, servomotor exports the active external splines rotating shaft 5 of main shaft 2, mention that 6 just up depart from the passive high gear 4 that servomotor exports main shaft 2 together with clutch internal spline, and the passive low-speed gear 3 up exporting main shaft 2 with servomotor combines, clutch internal spline mentions that the projection of 6 falls into the groove 8 of passive low-speed gear 3, at this moment servomotor 1 is started, the passive low-speed gear 3 that servomotor exports main shaft 2 drives main shaft 17 low-speed gear 19 of drilling machine to rotate, thus workpiece is processed, now servomotor exports the passive high gear 4 not rotation of main shaft 2.
Be applicable to the machinery of milling machine or other rotary main shafts, work like this as drilling machine.
Use the utility model, features simple structure, cost are low, can improve again the fast transition of speed change and improve work pieces process speed, and easy to use, can be widely used in the field such as drilling machine, milling machine.
Claims (3)
1. the speed change gear of a drilling and milling machine, include servomotor, it is characterized in that: servomotor exports main shaft and is provided with passive low-speed gear and passive high gear, the centre that passive low-speed gear and passive high gear export main shaft at motor is provided with an initiatively external splines rotating shaft, active external splines rotating shaft overlaps the clutch internal spline having to adapt and mentions; Described clutch internal spline mentions that top and bottom are provided with projection, and described passive low-speed gear and passive high gear and clutch internal spline mention that corresponding surface is provided with groove; Described active external splines rotating shaft is provided with shift bearing pin and moves up and down oval shift cotter way, and clutch internal spline corresponding is with it mentioned and is also provided with pin shaft hole; Described servomotor exports the link rod being also connected to air cylinder device bottom main shaft.
2. the speed change gear of a kind of drilling and milling machine according to claim 1, it is characterized in that: the active external splines rotating shaft that described motor exports main shaft is set to overlap inlet casing link rod, the upper end of cylinder link rod is provided with pin shaft hole, by clutch internal spline, series connection bearing pin mentions that pin shaft hole injects the oval shift cotter way of initiatively external splines rotating shaft, enter the pin shaft hole of cylinder link rod upper end.
3. the speed change gear of a kind of drilling and milling machine according to claim 1, is characterized in that: motor cabinet is installed with servomotor, and air cylinder device frame is installed with air cylinder device, and motor cabinet is connected to air cylinder device frame and is fixed on drilling and milling machine workbench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420544617.5U CN204183311U (en) | 2014-09-22 | 2014-09-22 | A kind of speed change gear of drilling and milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420544617.5U CN204183311U (en) | 2014-09-22 | 2014-09-22 | A kind of speed change gear of drilling and milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204183311U true CN204183311U (en) | 2015-03-04 |
Family
ID=52615342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420544617.5U Expired - Fee Related CN204183311U (en) | 2014-09-22 | 2014-09-22 | A kind of speed change gear of drilling and milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204183311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999324A (en) * | 2015-08-05 | 2015-10-28 | 南京伟舜机电有限公司 | Rapid switching device for changing speed of belt of milling and drilling machine |
-
2014
- 2014-09-22 CN CN201420544617.5U patent/CN204183311U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999324A (en) * | 2015-08-05 | 2015-10-28 | 南京伟舜机电有限公司 | Rapid switching device for changing speed of belt of milling and drilling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20170922 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |