CN207027111U - A kind of cooling of electro spindle and structure of forging a knife - Google Patents
A kind of cooling of electro spindle and structure of forging a knife Download PDFInfo
- Publication number
- CN207027111U CN207027111U CN201721032192.XU CN201721032192U CN207027111U CN 207027111 U CN207027111 U CN 207027111U CN 201721032192 U CN201721032192 U CN 201721032192U CN 207027111 U CN207027111 U CN 207027111U
- Authority
- CN
- China
- Prior art keywords
- sliding sleeve
- pull bar
- knife
- small axle
- main shaft
- 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.)
- Expired - Fee Related
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Abstract
A kind of cooling of electro spindle and structure of forging a knife, main shaft including hollow-core construction, pull bar is provided with the hollow-core construction of main shaft, disc spring is provided with rod outer sleeve, the front end of disc spring withstands on radially at the front on convex edge of main shaft hollow-core construction, there is axially extending bore on pull bar, sliding sleeve is fixedly connected with the rearward end of pull bar, the rear end of pull bar is arranged in sliding sleeve and is fixedly connected between sliding sleeve, the rear end of disc spring is pressed on the front end face of sliding sleeve, small axle is provided with sliding sleeve after pull bar, axial cooling fluid apertures is offered on small axle, sealing device is provided between sliding sleeve and small axle, swivel joint is connected in the cooling fluid apertures of bearing pin rear end, coolant pipeline is connected on swivel joint, sliding sleeve rear portion is provided with the flange of radial direction.This structure overcomes the variety of problems that swivel joint moving belt comes.
Description
Technical field
Electro spindle field, the more particularly to cooling of electro spindle and structure of forging a knife are the utility model is related to, belongs to mechanical ＆ electrical technology
Field.
Background technology
Electro spindle is by main shaft and motor together as one, for precision machined quick peeler bed, in current numerical control machine
Bed is using above having been realized in high accuracy, automation, wherein structure of forging a knife use automation equipment, current knife machining mechanism for
Pull bar is worn in hollow spindle, pull bar front end is located at broaching tool pawl rear portion, is equipped with disc spring outside pull bar, the front and back end of disc spring is pushed up respectively
Extend in main shaft with back end of tie rod, back end of tie rod outside main shaft, knife striking cylinder is equipped with pull bar after electro spindle, by beating
The driving pull bar advance completion of knife cylinder is forged a knife, and this structure is widely applied in electro spindle at present, due to being revolved at a high speed in electro spindle
Substantial amounts of heat can be produced during turning, if these heats eliminating not in time, the temperature rise brought can cause main shaft axial
The problem of deflecting is produced in machining accuracy, in order to meet the needs of main shaft cooling, it is also configured with cooling down in this structure of forging a knife
Structure, cooling structure are typically that axially extending bore is opened up in pull bar, and swivel joint is connected in the rear end of pull bar, is connected on swivel joint
Coolant pipeline is connect, this cooling and structure of forging a knife have in current use during knife striking cylinder driving pull bar reach
Swivel joint is also required to move forward, and due to being connected with coolant pipeline on swivel joint, often reach can bring such as pipeline leakage for it
The variety of problems such as other parts are touched in water, pipeline winding, are brought halting problem for high-speed automated processing, can also be made sometimes
Into the generation of accident.
The content of the invention
The purpose of this utility model is to overcome the cooling of current electro spindle and above mentioned problem existing for structure of forging a knife, and carries
Cooling and structure of forging a knife for a kind of electro spindle.
To realize the purpose of this utility model, following technical schemes is employed：A kind of cooling of electro spindle and knot of forging a knife
Structure, include the main shaft of hollow-core construction, pull bar is provided with the hollow-core construction of main shaft, disc spring is provided with rod outer sleeve, disc spring
Front end withstands on radially at the front on convex edge of main shaft hollow-core construction, and broaching tool pawl is located at pull bar front portion, had axially on described pull bar
Through hole, axially extending bore are used for cooling liquid flowing channel, are fixedly connected with sliding sleeve in the rearward end of pull bar, the rear end of pull bar is arranged on
It is fixedly connected in sliding sleeve and between sliding sleeve, the rear end of disc spring is pressed on the front end face of sliding sleeve, after pull bar
Sliding sleeve in be provided with small axle, sliding sleeve is slidably arranged in outside small axle, and axial cooling fluid apertures is offered on small axle, small
The cooling fluid apertures opened up on axle is connected with the axially extending bore on pull bar, and sealing device is provided between sliding sleeve and small axle, rotation
Adapter is connected in the cooling fluid apertures of bearing pin rear end, and coolant pipeline is connected on swivel joint, is set at sliding sleeve rear portion
The flange of radial direction is equipped with, described main shaft, pull bar, the axis of sliding sleeve coincide, and when forging a knife, knife striking cylinder promotes sliding sleeve
Axial advancement of the flange position along small axle moves pull bar and moves forward promotion broaching tool pawl reach loosening cutter；Further, slip cap
Being provided with sealing device between cylinder and small axle is：The first seal groove in circumference is offered in the inside of sliding sleeve, first is close
The first sealing ring is provided with sealing groove, closure is fixedly connected with the rear end of sliding sleeve, is offered in closure in circumference
The second seal groove, be provided with the second sealing ring in the second seal groove, closure is bolted in sliding sleeve rear end face
On.
Actively advantageous effects of the present utility model are：This structure is sliding when knife striking cylinder pushing drawing rod moves forward
Moving sleeve no longer moves forward along small axial front slide, swivel joint, overcomes the variety of problems that swivel joint moving belt comes, adopts
Effectively it can prevent coolant from revealing with two seals.
Brief description of the drawings
Fig. 1 is overall schematic of the present utility model.
Fig. 2 is the enlarged diagram at electro spindle rear portion.
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；2：Pull bar；3：
Broaching tool pawl；4：Disc spring；5：Axially extending bore；6：Sliding sleeve；7：Small axle；8：Cool down fluid apertures；9：Flange；10：Swivel joint；11：
Closure；12：First sealing ring；13：Second sealing ring.Preceding finger in the utility model is forged a knife the direction of pawl, is referred to rotation afterwards and is connect
The direction of head.
As shown in drawings, a kind of cooling of electro spindle and structure of forging a knife, the main shaft 1 of hollow-core construction is included, in the sky of main shaft 1
Pull bar 2 is provided with core structure, is provided with disc spring 4 in rod outer sleeve, the front end of disc spring 4 withstands on main shaft hollow-core construction radially at the front
On convex edge, broaching tool pawl 3 is located at pull bar front portion, has axially extending bore 5 on described pull bar, and axially extending bore is used for cooling liquid flowing channel,
Above structure is to be fixedly connected with sliding sleeve 6 in the rearward end of pull bar 2 in the structure of application on current electro spindle, pull bar 2
Rear end is arranged in sliding sleeve 6 and is fixedly connected between sliding sleeve, and the rear end of disc spring 4 is pressed in the front end of sliding sleeve 6
On face, small axle 7 is provided with the sliding sleeve after pull bar, sliding sleeve is slidably arranged in outside small axle, and axle is offered on small axle
To cooling fluid apertures 8, the cooling fluid apertures 8 opened up on small axle connects with the axially extending bore 5 on pull bar, sliding sleeve 6 and small axle it
Between be provided with sealing device, swivel joint 10 is connected in the cooling fluid apertures of small shaft rear end, and coolant pipeline is connected to rotation and connect
On head, the flange 10 of radial direction is provided with sliding sleeve rear portion, described main shaft, pull bar, the axis of sliding sleeve coincide, beaten
During knife, knife striking cylinder promotes axial advancement of the sliding sleeve flange position along small axle to move pull bar and moves forward promotion broaching tool pawl reach pine
Operate on tool；Being provided with sealing device between sliding sleeve and small axle is：First in circumference is offered in the inside of sliding sleeve 6
Seal groove, the first sealing ring 12 is provided with the first seal groove, closure 11 is fixedly connected with the rear end of sliding sleeve, seal
The second seal groove in circumference is offered in lid, the second sealing ring 13 is provided with the second seal groove.Closure is consolidated by bolt
Surely it is connected to the rear end of sliding sleeve.For this structure when forging a knife, knife striking cylinder promotes sliding sleeve reach, due to pull bar and slip cap
Cylinder be fixedly connected, pull bar is moved forward under the drive of sliding sleeve promotion forge a knife pawl reach relieving cutter, load onto next knife
After tool, the clamping for pulling and forging a knife and moving after pawl and realize to cutter is moved rearwards in the operation lower slipping sleeve of disc spring, before and after pull bar
Axial displacement does not occur for swivel joint in moving process.Knife striking cylinder is part commonly used on current lathe, attached
It is not shown in figure.
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 (2)
1. a kind of cooling of electro spindle and structure of forging a knife, include the main shaft of hollow-core construction, be provided with the hollow-core construction of main shaft
Pull bar, disc spring is provided with rod outer sleeve, the front end of disc spring withstands on radially at the front on convex edge of main shaft hollow-core construction, and broaching tool pawl is located at
Pull bar is anterior, has axially extending bore on described pull bar, axially extending bore is used for cooling liquid flowing channel, it is characterised in that：In pull bar
Rearward end is fixedly connected with sliding sleeve, and the rear end of pull bar is arranged in sliding sleeve and is fixedly connected between sliding sleeve,
The rear end of disc spring is pressed on the front end face of sliding sleeve, and small axle is provided with the sliding sleeve after pull bar, and sliding sleeve slides
It is arranged on outside small axle, axial cooling fluid apertures is offered on small axle, the cooling fluid apertures opened up on small axle is led to the axial direction on pull bar
Hole connects, and sealing device is provided between sliding sleeve and small axle, swivel joint is connected in the cooling fluid apertures of bearing pin rear end, cold
But liquid pipeline is connected on swivel joint, and the flange of radial direction, described main shaft, pull bar, slip are provided with sliding sleeve rear portion
The axis of sleeve coincides, and when forging a knife, knife striking cylinder promotes axial advancement of the sliding sleeve flange position along small axle to move pull bar forward
It is mobile to promote broaching tool pawl reach loosening cutter.
2. cooling and the structure of forging a knife of a kind of electro spindle according to claim 1, it is characterised in that：Sliding sleeve and small axle
Between be provided with sealing device and be：The first seal groove in circumference is offered in the inside of sliding sleeve, is set in the first seal groove
The first sealing ring is equipped with, closure is fixedly connected with the rear end of sliding sleeve, is offered in closure second close in circumference
Sealing groove, the second sealing ring is provided with the second seal groove, closure is bolted on sliding sleeve rear end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721032192.XU CN207027111U (en) | 2017-08-17 | 2017-08-17 | A kind of cooling of electro spindle and structure of forging a knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721032192.XU CN207027111U (en) | 2017-08-17 | 2017-08-17 | A kind of cooling of electro spindle and structure of forging a knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207027111U true CN207027111U (en) | 2018-02-23 |
Family
ID=61487744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721032192.XU Expired - Fee Related CN207027111U (en) | 2017-08-17 | 2017-08-17 | A kind of cooling of electro spindle and structure of forging a knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207027111U (en) |
-
2017
- 2017-08-17 CN CN201721032192.XU patent/CN207027111U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20180223 Termination date: 20210817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |