CN207086925U - A kind of associated mode mechanical main shaft structure - Google Patents
A kind of associated mode mechanical main shaft structure Download PDFInfo
- Publication number
- CN207086925U CN207086925U CN201721033009.8U CN201721033009U CN207086925U CN 207086925 U CN207086925 U CN 207086925U CN 201721033009 U CN201721033009 U CN 201721033009U CN 207086925 U CN207086925 U CN 207086925U
- Authority
- CN
- China
- Prior art keywords
- main shaft
- knife
- forging
- bar
- elongated hole
- 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.)
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Abstract
A kind of associated mode mechanical main shaft structure, including the main shaft with middle cavity, broaching tool pawl is provided with the front end cavity of main shaft, pull bar is provided with the cavity at broaching tool pawl rear portion, disc spring is provided with outside pull bar, interior slide bar is fixedly connected with broaching tool pawl rear end, interior slide bar is axially slidably arranged in the cavity of main shaft, the rod aperture of forging a knife of radial direction is offered on interior slide bar, elongated hole is offered on main shaft wall above and below rod aperture of forging a knife, axial direction of the length direction of elongated hole along main shaft, bar of forging a knife is located in rod aperture of forging a knife by the elongated hole on main shaft wall, the forge a knife both ends of bar are stretched out from the elongated hole on main shaft wall, forge a knife between bar and rod aperture of forging a knife is tight fit, oil cylinder is provided with the main shaft at rear portion, oil cylinder piston is located at the rear portion for bar of forging a knife, oil cylinder piston is set in outside main shaft, it is axial sliding fit between oil cylinder piston and main shaft.Reduce installation space, can also improve transmission efficiency.
Description
Technical field
Mechanical main shaft is the utility model is related to, more particularly to a kind of associated mode mechanical main shaft structure, belongs to mechanical technique neck
Domain.
Background technology
Mechanical main shaft is the main shaft commonly used in machining, current this main shaft in order to adapt to the needs of automation processing,
Automatic tool changer is each equipped with, current automatic tool changer uses hydraulic oil cylinder driving substantially, and oil cylinder is located at outside main shaft, passed through
Hydraulic oil cylinder driving forges a knife bar to carry out tool changing, because the oil cylinder of forging a knife of current this mechanical main shaft is located at outside main shaft rear portion,
Installed in being to need to occupy certain space, so the mechanical main shaft of current this form typically can not be straight by shaft coupling
Drive shaft is connect in succession, typically belt wheel to be installed in rear-end of spindle, is even driven by belt wheel, and this mode is adding installation sky
Between, transmission efficiency can also be affected.
The content of the invention
The purpose of this utility model is to overcome above mentioned problem present in current mechanical main shaft, there is provided a kind of associated mode
Mechanical main shaft structure.
To realize the purpose of this utility model, following technical schemes is employed：A kind of associated mode mechanical main shaft structure, bag
The main shaft with middle cavity is included, broaching tool pawl is provided with the front end cavity of main shaft, drawing is provided with the cavity at broaching tool pawl rear portion
Bar, pull bar are provided with disc spring outside, are fixedly connected with interior slide bar in broaching tool pawl rear end, interior slide bar is axially slidably arranged in the sky of main shaft
Intracavitary, the rod aperture of forging a knife of radial direction is offered on interior slide bar, elongated hole is offered on the main shaft wall above and below rod aperture of forging a knife, elongated hole
Axial direction of the length direction along main shaft, bar of forging a knife are located in rod aperture of forging a knife by the elongated hole on main shaft wall, and the both ends for bar of forging a knife are equal
Stretched out from the elongated hole on main shaft wall, it is tight fit to forge a knife between bar and rod aperture of forging a knife, and oil cylinder is provided with the main shaft at rear portion,
Oil cylinder piston is located at the rear portion for bar of forging a knife, and oil cylinder piston is set in outside main shaft, matches somebody with somebody between oil cylinder piston and main shaft to slide axially
Close；Further, rod rear end of forging a knife is provided with screw thread, interior slide bar leading section is provided with the screw of screw thread cooperation, interior slide bar with
To forge a knife and be threadably secured connection between bar, the rear end of disc spring is pressed on interior slide bar, further, the spindle outer wall at elongated hole
On be equipped with outer sliding sleeve, the circular hole corresponding with rod aperture of forging a knife is offered on outer sliding sleeve, bar of forging a knife passes through circular hole and main shaft
The elongated hole of wall length is located in rod aperture of forging a knife, and it is also tight fit, further, described elongated hole both ends to forge a knife between bar and circular hole
It is equal with the radius for bar of forging a knife for semicircle, semicircular radius.
Actively advantageous effects of the present utility model are：This mechanical main shaft oil cylinder that will forge a knife is set in outside main shaft,
No longer need to occupy extra back space during installation, rear-end of spindle can be directly connected to drive shaft by shaft coupling, reduce
Installation space, it can also improve transmission efficiency.
Brief description of the drawings
Fig. 1 is overall schematic of the present utility model.
Fig. 2 is the overall schematic of main shaft.
Fig. 3 is sectional view of the main shaft along elongated hole position.
Fig. 4 is the schematic diagram of bar of forging a knife.
Fig. 5 is the schematic diagram that pull bar is connected with interior slide bar.
Embodiment
In order to more fully explain implementation of the present utility model, there is provided embodiment of the present utility model.These implement real
Example is only to elaboration of the present utility model, does not limit the scope of the utility model.
With reference to accompanying drawing to the further details of explanation of the utility model, in accompanying drawing each mark for：1：Main shaft；101:Elongated hole；
102：It is semicircle；2:Broaching tool pawl；3：Pull bar；4：Disc spring；5：Forge a knife bar；51:Passage；6：Outer sliding sleeve；7：Oil cylinder；8：Oil cylinder is lived
Plug；9：Interior slide bar；91：Forge a knife rod aperture；10：Screw connection point；As shown in drawings, a kind of associated mode mechanical main shaft structure, bag
The main shaft 1 with middle cavity is included, broaching tool pawl 2 is provided with the front end cavity of main shaft 1, is set in the cavity at the rear portion of broaching tool pawl 2
There is pull bar 3, disc spring 4 is provided with outside pull bar 3, these are the structures of forging a knife used at present, in back end of tie rod is fixedly connected with
Slide bar 9, interior slide bar 9, which slides axially, to be arranged in the cavity of main shaft, and specific fixed structure is：Back end of tie rod is provided with spiral shell
Line, interior slide bar leading section are provided with the screw of screw thread cooperation, are threadably secured connection between interior slide bar and pull bar, are described in 10
Threaded joints, the rear end of disc spring are pressed on interior slide bar, the rod aperture 91 of forging a knife of radial direction are offered on interior slide bar, in rod aperture of forging a knife
Offer elongated hole 101 on upper and lower main shaft wall, the axial direction of the length direction of elongated hole along main shaft, described elongated hole both ends are semicircle
Shape, for semicircle shaped like described in 102, semicircular radius is equal with the radius for bar of forging a knife, and bar 5 of forging a knife is worn by the elongated hole on main shaft wall
It is located in rod aperture of forging a knife, it is tight fit to forge a knife between bar and rod aperture of forging a knife, and the both ends for bar 5 of forging a knife are from the elongated hole on main shaft wall
Stretch out, outer sliding sleeve 6 is equipped with the spindle outer wall at elongated hole, is offered on outer sliding sleeve 6 corresponding with rod aperture of forging a knife
Circular hole, circular hole are also not shown in figure, and the elongated hole that bar of forging a knife is grown through circular hole and main shaft wall is located in rod aperture of forging a knife, and is forged a knife
Also it is tight fit between bar and circular hole, outer sliding sleeve and interior slide bar are connected as a single entity by bar of forging a knife by circular hole and rod aperture of forging a knife, rear
Oil cylinder 7 is provided with the main shaft in portion, oil cylinder piston 8 is located at the rear portion for bar of forging a knife, and specifically, oil cylinder piston is located at outer sliding sleeve
Rear portion, oil cylinder piston 8 are set in outside main shaft 1, are axial sliding fit between oil cylinder piston and main shaft.The utility model is needing
During tool changing, under the driving of oil cylinder piston, outer sliding sleeve drives bar of forging a knife to be moved forward in elongated hole, bar of forging a knife drive in slide bar to reach
Dynamic, due to being fixedly connected between interior slide bar and pull bar, pull bar also moves forward during interior slide bar moves forward, mobile
During interior slide bar end compression disc spring, pull bar moves forward driving broaching tool pawl loosening cutter forward, when target tool is changed
Afterwards, oil cylinder pressure release, interior slide bar is moved rearwards while drives pull bar and broaching tool pawl is moved rearwards in the presence of disc spring, clamps again
The new cutter changed.This mechanical main shaft oil cylinder that will forge a knife is set in outside main shaft, no longer needs to occupy extra rear portion when mounted
Space, rear-end of spindle can be directly connected to drive shaft by shaft coupling, reduce installation space, can also improve transmission effect
Rate.
After embodiment of the present utility model is described in detail, one of ordinary skilled in the art is clearly understood that,
Above-mentioned claim is not departed from various change and modification can be carried out under spirit, it is all according to the technical essence of the utility model
Any simple modification, equivalent change and modification made to above example, the scope of technical solutions of the utility model is belonged to,
And the utility model is also not only restricted to the embodiment of example in specification.
Claims (4)
1. a kind of associated mode mechanical main shaft structure, including the main shaft with middle cavity, drawing is provided with the front end cavity of main shaft
Cutter claw, pull bar is provided with the cavity at broaching tool pawl rear portion, disc spring is provided with outside pull bar, it is characterised in that：Consolidate in broaching tool pawl rear end
Surely interior slide bar is connected with, interior slide bar is axially slidably arranged in the cavity of main shaft, and the bar of forging a knife of radial direction is offered on interior slide bar
Hole, offers elongated hole on the main shaft wall above and below rod aperture of forging a knife, and the axial direction of the length direction of elongated hole along main shaft, bar of forging a knife passes through master
Elongated hole on axial wall is located in rod aperture of forging a knife, and the both ends for bar of forging a knife are from the stretching in elongated hole on main shaft wall, and bar of forging a knife is with beating
It is tight fit between knife bar hole, oil cylinder is provided with the main shaft at rear portion, oil cylinder piston is located at the rear portion for bar of forging a knife, oil cylinder piston
It is set in outside main shaft, is axial sliding fit between oil cylinder piston and main shaft.
A kind of 2. associated mode mechanical main shaft structure according to claim 1, it is characterised in that：Forging a knife, rod rear end is provided with
Screw thread, interior slide bar leading section are provided with the screw of screw thread cooperation, connection, disc spring are threadably secured between interior slide bar and bar of forging a knife
Rear end be pressed on interior slide bar.
A kind of 3. associated mode mechanical main shaft structure according to claim 1, it is characterised in that：Spindle outer wall at elongated hole
On be equipped with outer sliding sleeve, the circular hole corresponding with rod aperture of forging a knife is offered on outer sliding sleeve, bar of forging a knife passes through circular hole and main shaft
The elongated hole of wall length is located in rod aperture of forging a knife, and it is also tight fit to forge a knife between bar and circular hole.
A kind of 4. associated mode mechanical main shaft structure according to claim 1, it is characterised in that：Described elongated hole both ends are half
Circle, semicircular radius are equal with the radius for bar of forging a knife.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721033009.8U CN207086925U (en) | 2017-08-17 | 2017-08-17 | A kind of associated mode mechanical main shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721033009.8U CN207086925U (en) | 2017-08-17 | 2017-08-17 | A kind of associated mode mechanical main shaft structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207086925U true CN207086925U (en) | 2018-03-13 |
Family
ID=61541955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721033009.8U Expired - Fee Related CN207086925U (en) | 2017-08-17 | 2017-08-17 | A kind of associated mode mechanical main shaft structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207086925U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110899733A (en) * | 2019-12-08 | 2020-03-24 | 深圳市爱贝科精密机械有限公司 | Direct-coupled mechanical main shaft |
-
2017
- 2017-08-17 CN CN201721033009.8U patent/CN207086925U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110899733A (en) * | 2019-12-08 | 2020-03-24 | 深圳市爱贝科精密机械有限公司 | Direct-coupled mechanical main shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 Termination date: 20210817 |