CN206253959U - A kind of nitrogen balance device for principal spindle of machine tool - Google Patents
A kind of nitrogen balance device for principal spindle of machine tool Download PDFInfo
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- CN206253959U CN206253959U CN201621236544.9U CN201621236544U CN206253959U CN 206253959 U CN206253959 U CN 206253959U CN 201621236544 U CN201621236544 U CN 201621236544U CN 206253959 U CN206253959 U CN 206253959U
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- machine tool
- contiguous block
- sleeve
- piston rod
- ring flange
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Abstract
The utility model discloses a kind of nitrogen balance device for principal spindle of machine tool, including a body for housing structure, the top of body is provided with gas charging port, the end of body is provided with sleeve, it is integrally formed on sleeve and is provided with a ring flange, multiple bolts hole through its thickness direction are offered on ring flange, sleeve is divided into two sections by the ring flange, wherein one section sleeve screws in the end of body, another section of sleeve is used to install contiguous block, the body of the nitrogen balance device for principal spindle of machine tool is linked together with principal spindle of machine tool by contiguous block, body rising synchronous with machine tool chief axis declines；Piston rod is provided with body, the end of piston rod is provided with the floating support plate for preventing piston rod from bearing eccentric load, and the end of piston rod is fixed on lathe fixture by floating support plate；The utility model has response characteristics high, can coordinate high-speed cutting, and without power source and pipe arrangement, compact to take up space small, pressure change is small, the equilibrant force with stabilization.
Description
Technical field
The utility model is related to a kind of bascule, particularly a kind of nitrogen balance device for principal spindle of machine tool.
Background technology
Main shaft and the main shaft with the electro-motor that rotation driving is carried out to the main shaft are provided with the lathe of machining center etc.
Component, and the spindle assemblies are supported by lift drive mechanism and is lifted driving.This lift drive mechanism leads to
Often it is ball nut and electro-motor that ball screw and the ball screw are screwed togather and be connected with spindle assemblies, and by by electricity
Dynamic motor carries out revolution driving to ball screw makes spindle assemblies be driven with the lifting of ball nut one.By lift drive mechanism pair
The very big spindle assemblies of weight are supported and are lifted driving, and the load of lift drive mechanism is very big, may reduce master
The positional precision of shaft assembly above-below direction, it is difficult to realize the further high speed of spindle assemblies rising or falling speed.Also, it is right also to exist
The problem that the lift drive mechanism that very heavy spindle assemblies are supported maximizes, cost of manufacture is high.
Traditional type balancer of the prior art has：Balancer as shown in Figure 1, the problem for existing is poor response characteristics,
It is not suitable for high-speed cutting, takes big quantity space；Air-cylinder type balancer as shown in Figure 2, the problem for existing is to need major diameter
Cylinder (easily causing skidding), it is necessary to Large Copacity deposits gas container, it is necessary to major diameter air pressure pipe arrangement；Cylinder type as shown in Figure 3
Balancer, the problem for existing is to need oil pressure unit and pipe arrangement, it is necessary to which the oil temperature for processing oil hydraulic circuit rises.
Utility model content
The technical problems to be solved in the utility model is directed to above-mentioned the deficiencies in the prior art, and providing one kind has high answering
Answer characteristic, high-speed cutting, the nitrogen balance device for principal spindle of machine tool of the equilibrant force with stabilization can be coordinated.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of nitrogen balance device for principal spindle of machine tool, including a body for housing structure, the top of body sets
Gas charging port is equipped with, the end of body is provided with sleeve, is integrally formed on sleeve and is provided with a ring flange, opened up on ring flange
There are multiple bolts hole through its thickness direction, sleeve is divided into two sections by the ring flange, wherein one section of end of sleeve screw-in body
End, another section of sleeve is used to install contiguous block, by contiguous block by the sheet of the nitrogen balance device for principal spindle of machine tool
Body is linked together with principal spindle of machine tool, and body is synchronous with machine tool chief axis to be risen or decline；
Piston rod is provided with body, the end of piston rod passes through the protruding body tip of sleeve, the end of piston rod
It is provided with the floating support plate for preventing piston rod from bearing eccentric load, the end of piston rod is fixed on lathe and is fixed by floating support plate
On part；
The contiguous block center offers through hole of the diameter equal to sleeve outer diameter, is opened up through contiguous block thickness direction
There are multiple bolts hole, connecting bolt is set by the bolt hole of contiguous block and the bolt hole of ring flange, contiguous block is arranged
In sleeve and it is fixed on ring flange；The connecting portion fixed with principal spindle of machine tool is provided with contiguous block.
Preferably, the bolt hole on the contiguous block is shoulder hole.
Preferably, also including a protection board being fixed on contiguous block, protection board center offer one for through
The through hole of piston rod, protection board is fixed on contiguous block away from the end face of ring flange.
Preferably, the bolt hole on the contiguous block is dormant bolt hole.
Preferably, protection board is fixed on contiguous block by screw.
The utility model has the following technical effect that using after said structure：
The utility model has response characteristics high, can coordinate high-speed cutting, compact to take up space without power source and pipe arrangement
Small, pressure change is small, the equilibrant force with stabilization.
Brief description of the drawings
Fig. 1 is traditional type balancer of the prior art.
Fig. 2 is air-cylinder type balancer of the prior art.
Fig. 3 is cylinder type balancer of the prior art.
Fig. 4 shows the structure of the nitrogen balance device for principal spindle of machine tool of the present utility model.
Fig. 5 shows the structure of the nitrogen balance cylinder system for lathe counterweight of the present utility model.
Specific embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Basic structure of the present utility model is only illustrated in a schematic way, therefore it only shows the composition relevant with the utility model.
The utility model is related to nitrogen cylinder 1, controller 2, the nitrogen balance device 3, ball-screw for principal spindle of machine tool
4th, servomotor 5, ball-screw nut 6, machine tool chief axis 7, body 8, contiguous block 9, protection board 10, piston rod 11, floating support plate
12nd, the technical characteristic such as sleeve 13.
As shown in figure 4, a kind of nitrogen balance device for principal spindle of machine tool, including a body for housing structure, this
The top of body is provided with gas charging port, and the end of body is provided with sleeve, is integrally formed on sleeve and is provided with a ring flange, method
Multiple bolts hole through its thickness direction are offered on blue disk, sleeve is divided into two sections by the ring flange, wherein one section of sleeve rotation
Enter the end of body, another section of sleeve is used to install contiguous block, by contiguous block by the nitrogen for principal spindle of machine tool
The body of balancer is linked together with principal spindle of machine tool, and body is synchronous with machine tool chief axis to be risen or decline；
Piston rod is provided with body, the end of piston rod passes through the protruding body tip of sleeve, the end of piston rod
It is provided with the floating support plate for preventing piston rod from bearing eccentric load, the end of piston rod is fixed on lathe and is fixed by floating support plate
On part, body is moved up and down relative to piston rod.
The contiguous block center offers through hole of the diameter equal to sleeve outer diameter, is opened up through contiguous block thickness direction
There are multiple bolts hole, connecting bolt is set by the bolt hole of contiguous block and the bolt hole of ring flange, contiguous block is arranged
In sleeve and it is fixed on ring flange；The connecting portion fixed with principal spindle of machine tool is provided with contiguous block；
Also include a protection board being fixed on contiguous block, protection board center offers one to be used for through piston rod
Through hole, protection board is fixed on contiguous block away from the end face of ring flange, and protection board is fixed on contiguous block by screw.
Bolt hole on contiguous block is dormant bolt hole, and the bolt hole on contiguous block is shoulder hole.
Floating support plate includes a floating junction being connected with piston rod and a base plate, and floating junction is fixedly connected on bottom
On plate, base plate is fixed on lathe fixture, so as to piston rod is fixed on lathe fixture.
Cylinder is arranged on by mobile object, piston may occur because of the reason such as eccentric or degree of balance precision is bad
Situations such as rod bending, bearing and sealing part abrasion, cylinder performance is reduced, shorten cylinder service life, floating junction is equivalent to connection
Axle device, can eliminate error, solve eccentricity issues, protect associated components, equipment is operated steadily, extension device service life.
As shown in figure 5, the invention also discloses a kind of nitrogen balance cylinder system for lathe counterweight, including nitrogen
Bottle, controller and nitrogen balance device, controller are arranged on nitrogen cylinder, and nitrogen balance device includes a body for housing structure,
The top of body is provided with gas charging port, and gas charging port is connected with nitrogen cylinder；The end of body is provided with sleeve, on sleeve
It is integrally formed and is provided with a ring flange, multiple bolts hole through its thickness direction are offered on ring flange, the ring flange will covers
Cylinder is divided into two sections, wherein one section of sleeve screws in the end of body, another section of sleeve is used to install contiguous block, by contiguous block by institute
The body for stating the nitrogen balance device for principal spindle of machine tool links together with machine tool chief axis；
Piston rod is provided with body, the end of piston rod passes through the protruding body tip of sleeve, the end of piston rod
It is provided with the floating support plate for preventing piston rod from bearing eccentric load, the end of piston rod is fixed on lathe and is fixed by floating support plate
On part；
Also include ball-screw and ball-screw nut, one end of ball-screw is connected with servomotor, and machine tool chief axis are solid
Surely be connected on ball-screw nut, servomotor drive ball screw turns, make ball-screw nut drive machine tool chief axis and
Body for the nitrogen balance device of principal spindle of machine tool is moved up and down relative to piston rod；
When machine tool chief axis ascending motion, controller sends instruction unpack air intake valve to the nitrogen for principal spindle of machine tool
The body of gas balancer is supplied gas, and because piston rod is maintained static, intrinsic pressure gradually increases, and produces upward top lift, energy
Enough balance the gravity of machine tool chief axis；When machine tool chief axis descending motion, controller instruction close air intake valve, nitrogen cylinder stop to
Body for the nitrogen balance device of principal spindle of machine tool is supplied gas, and opens outlet valve, slowly discharges intrinsic nitrogen, is delayed
On The Drug Release is used for the intrinsic pressure of the nitrogen balance device of principal spindle of machine tool, and remains for principal spindle of machine tool
The gravitational equilibrium of the intrinsic pressure of nitrogen balance device and machine tool chief axis, so as to when machine tool chief axis decline, balance machine tool chief axis
Gravity, share the pressure of servomotor and ball-screw, it is ensured that rapid drawdown will not be produced during decline.
Controller of the present invention is PLC control modes common in the art, as long as realizing that control is opened and closed
Air intake valve and outlet valve, controller structure in itself are not the improved content of the application.
During above-mentioned machine tool chief axis descending motion, the intrinsic nitrogen of nitrogen balance device for principal spindle of machine tool can be returned
It flow to nitrogen cylinder, it is also possible to be separately provided a gas recovery bottle for reclaiming the nitrogen, it is also possible to be directly released into air
In.
Contiguous block center offers described in a kind of nitrogen balance cylinder system for lathe counterweight described in the utility model
One diameter is equal to the through hole of sleeve outer diameter, multiple bolts hole is offered through contiguous block thickness direction, by contiguous block
Connecting bolt is set in bolt hole and the bolt hole of ring flange, contiguous block is sheathed on sleeve and is fixed on ring flange；Connection
The connecting portion fixed with principal spindle of machine tool is provided with block.
The utility model is subtracted using making machine tool chief axis more steady in raising and lowering motion process after the flat street device of nitrogen
Lack machine tool chief axis servomotor load in raising and lowering motion process uneven, improve the stationarity and product of motion process
The machining accuracy and surface quality of product.
With above-mentioned according to desirable embodiment of the present utility model as enlightenment, by above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this utility model technological thought completely.This reality
The content on specification is not limited to new technical scope, it is necessary to its technology is determined according to right
Property scope.
Claims (5)
1. a kind of nitrogen balance device for principal spindle of machine tool, it is characterised in that：Including a body for housing structure, body
Top be provided with gas charging port, the end of body is provided with sleeve, is integrally formed on sleeve and is provided with a ring flange, flange
Multiple bolts hole through its thickness direction are offered on disk, sleeve is divided into two sections by the ring flange, wherein one section of sleeve is screwed in
The end of body, another section of sleeve is used to install contiguous block, is connected to the body and principal spindle of machine tool by contiguous block
Together, body rising synchronous with machine tool chief axis or decline；
Piston rod is provided with body, the end of piston rod passes through the end of the protruding body tip of sleeve, piston rod to set
There is the floating support plate for preventing piston rod from bearing eccentric load, lathe fixture is fixed in the end of piston rod by floating support plate
On；
The contiguous block center offers through hole of the diameter equal to sleeve outer diameter, is offered through contiguous block thickness direction many
Individual bolt hole, connecting bolt is set by the bolt hole of contiguous block and the bolt hole of ring flange, and contiguous block is sheathed on
Cylinder is simultaneously fixed on ring flange；The connecting portion fixed with principal spindle of machine tool is provided with contiguous block.
2. the nitrogen balance device for principal spindle of machine tool according to claim 1, it is characterised in that：On the contiguous block
Bolt hole be shoulder hole.
3. the nitrogen balance device for principal spindle of machine tool according to claim 1, it is characterised in that：Also include one admittedly
Due to the protection board on contiguous block, protection board center offers one for the through hole through piston rod, and protection board is fixed on company
Block is connect away from the end face of ring flange.
4. the nitrogen balance device for principal spindle of machine tool according to claim 3, it is characterised in that：On the contiguous block
Bolt hole be dormant bolt hole.
5. the nitrogen balance device for principal spindle of machine tool according to claim 3, it is characterised in that：Protection board passes through spiral shell
Nail is fixed on contiguous block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621236544.9U CN206253959U (en) | 2016-11-18 | 2016-11-18 | A kind of nitrogen balance device for principal spindle of machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621236544.9U CN206253959U (en) | 2016-11-18 | 2016-11-18 | A kind of nitrogen balance device for principal spindle of machine tool |
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| Publication Number | Publication Date |
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| CN206253959U true CN206253959U (en) | 2017-06-16 |
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| CN201621236544.9U Active CN206253959U (en) | 2016-11-18 | 2016-11-18 | A kind of nitrogen balance device for principal spindle of machine tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514304A (en) * | 2016-11-18 | 2017-03-22 | 江苏智石科技有限公司 | Nitrogen balancer |
-
2016
- 2016-11-18 CN CN201621236544.9U patent/CN206253959U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514304A (en) * | 2016-11-18 | 2017-03-22 | 江苏智石科技有限公司 | Nitrogen balancer |
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