CN206253960U - A kind of sealing structure for being arranged at nitrogen balance device tailpiece of the piston rod - Google Patents
A kind of sealing structure for being arranged at nitrogen balance device tailpiece of the piston rod Download PDFInfo
- Publication number
- CN206253960U CN206253960U CN201621236560.8U CN201621236560U CN206253960U CN 206253960 U CN206253960 U CN 206253960U CN 201621236560 U CN201621236560 U CN 201621236560U CN 206253960 U CN206253960 U CN 206253960U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- balance device
- piston rod
- nitrogen balance
- contiguous block
- 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.)
- Active
Links
Landscapes
- Actuator (AREA)
Abstract
The utility model discloses a kind of sealing structure for being arranged at nitrogen balance device tailpiece of the piston rod, it is integrally formed on sleeve and is provided with a ring flange, on ring flange multiple bolts hole are offered through its thickness direction, sleeve is divided into two sections by ring flange, respectively cylinder body section and linkage section, cylinder body section sleeve is circumferentially provided with sealing ring, for screwing in nitrogen balance device cylinder body in；Contiguous block is arranged with linkage section sleeve, contiguous block is in integrally " convex " font, and bolt hole is offered on two lugs, and be fixed on nitrogen balance device cylinder body on workpiece through the bolt hole on lug by bolt.The sealing structure for being arranged at nitrogen balance device tailpiece of the piston rod described in the utility model is applied to nitrogen balance device, sealing and fixed effect can be played, by sleeve seal cylinder body, whole nitrogen balance device is fixed on machine tool chief axis by the contiguous block and flange that are connected on sleeve.
Description
Technical field
The utility model is related to a kind of pressure vessel technology field, particularly one kind to be arranged at nitrogen balance device tailpiece of the piston rod
Sealing structure.
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 provides a kind of being arranged at
The sealing structure of nitrogen balance device tailpiece of the piston rod.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of sealing structure for being arranged at nitrogen balance device tailpiece of the piston rod, including a sleeve, are integrally formed on sleeve and set
A ring flange is equipped with, multiple bolts hole are offered through its thickness direction on ring flange, sleeve is divided into two sections by ring flange, respectively
Be cylinder body section and linkage section, cylinder body section sleeve is circumferentially provided with sealing ring, for screwing in nitrogen balance device cylinder body in；Linkage section set
Contiguous block is arranged with cylinder, the end of the piston rod in nitrogen balance device cylinder body is protruding through sleeve and contiguous block, piston
Bar is connected with sleeve lining dynamic sealing；
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, contiguous block is sheathed on sleeve simultaneously by connecting bolt through the bolt hole of contiguous block and the bolt hole of ring flange
It is fixed on the end face of ring flange；
Contiguous block is in integrally " convex " font, and bolt hole is offered on two lugs, and bolt will through the bolt hole on lug
Nitrogen balance device cylinder body is fixed on workpiece.
Preferably, it is provided with sealing ring on linkage section sleeve.
Preferably, the bolt hole on the contiguous block is shoulder hole.
Preferably, the bolt hole on the contiguous block is dormant bolt hole.
Preferably, contiguous block is by screw on the end face of ring flange away from being fixedly connected with protection board, in protection board
The heart offers one for the through hole through piston rod.
The utility model has the following technical effect that using after said structure：
The sealing structure for being arranged at nitrogen balance device tailpiece of the piston rod described in the utility model is applied to nitrogen balance device, energy
Sealing and fixed effect are enough played, by sleeve seal cylinder body, by the contiguous block that is connected on sleeve and flange by whole nitrogen
Gas balancer is fixed on machine tool chief axis.
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 sealing structure of the present utility model.
Fig. 5 shows the structure of nitrogen balance device.
Fig. 6 shows the structure of the nitrogen balance cylinder system for lathe counterweight.
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.
As shown in figure 4, a kind of sealing structure for being arranged at nitrogen balance device tailpiece of the piston rod described in the utility model includes set
The technical characteristics such as cylinder 1, ring flange 2, nitrogen balance device cylinder body 3, piston rod 4, contiguous block 5, lug 6.
As shown in figure 4, a kind of sealing structure for being arranged at nitrogen balance device tailpiece of the piston rod described in the utility model, including one
Individual sleeve, is integrally formed on sleeve and is provided with a ring flange, and multiple bolts hole, method are offered through its thickness direction on ring flange
Sleeve is divided into two sections by blue disk, respectively cylinder body section and linkage section, and cylinder body section sleeve is circumferentially provided with sealing ring, for screwing in nitrogen
In gas balancer cylinder body；Contiguous block is arranged with linkage section sleeve, the end of the piston rod in nitrogen balance device cylinder body passes through set
Cylinder and contiguous block are protruding, and piston rod is connected with sleeve lining dynamic sealing；Sealing ring is provided with linkage section sleeve.
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, contiguous block is sheathed on sleeve simultaneously by connecting bolt through the bolt hole of contiguous block and the bolt hole of ring flange
It is fixed on the end face of ring flange；
Contiguous block is in integrally " convex " font, and bolt hole is offered on two lugs, and bolt will through the bolt hole on lug
Nitrogen balance device cylinder body is fixed on workpiece, and the bolt hole on the contiguous block is shoulder hole, and is dormant bolt hole.
Contiguous block is fixedly connected with protection board away from the end face of ring flange by screw, and the center of protection board offers
One is used for the through hole through piston rod.
As shown in figure 5, a kind of nitrogen balance device, the nitrogen balance device is used for principal spindle of machine tool, including a cylinder body,
The top of cylinder body is provided with gas charging port, and the end of cylinder body is provided with sleeve, 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 of sleeve
The end of cylinder body is screwed in, another section of sleeve is used to install contiguous block, the cylinder is connected with principal spindle of machine tool by contiguous block
Together, cylinder body rising synchronous with machine tool chief axis or decline；
Piston rod is provided with cylinder body, the end of piston rod passes through the protruding cylinder body end 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, cylinder body is moved up and down relative to piston rod.
As shown in fig. 6, 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 cylinder body, the top of cylinder body
Gas charging port is provided with, gas charging port is connected with nitrogen cylinder；The end of cylinder body is provided with sleeve, is integrally formed on sleeve and set
A ring flange is equipped with, multiple bolts hole through its thickness direction is offered on ring flange, sleeve is divided into two sections by the ring flange,
Wherein one section sleeve screws in the end of cylinder body, and another section of sleeve is used to install contiguous block, by contiguous block by the cylinder and lathe
Main shaft links together；
Piston rod is provided with cylinder body, the end of piston rod passes through the protruding cylinder body end 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
The cylinder body of nitrogen balance device is moved up and down relative to piston rod；
When machine tool chief axis ascending motion, controller sends instruction unpack air intake valve and is sent to the cylinder body of nitrogen balance device
Gas, because piston rod is maintained static, the pressure in cylinder body gradually increases, and produces upward top lift, can balance machine tool chief axis
Gravity；When machine tool chief axis descending motion, air intake valve is closed in controller instruction, and nitrogen cylinder stops the cylinder body to nitrogen balance device
Supply gas, and open outlet valve, the nitrogen in slow discharge cylinder body, the pressure in slow release cylinder body, and remain nitrogen
The gravitational equilibrium of pressure and machine tool chief axis in balancer cylinder body, so as to when machine tool chief axis decline, balance the weight of machine tool chief axis
Power, shares 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 nitrogen in cylinder can be back to nitrogen cylinder, it is also possible to be separately provided one
Reclaim the gas recovery bottle of the nitrogen, it is also possible to be directly released into air.
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 sealing structure for being arranged at nitrogen balance device tailpiece of the piston rod, it is characterised in that：Including a sleeve, one on sleeve
It is body formed to be provided with a ring flange, multiple bolts hole are offered through its thickness direction on ring flange, be divided into for sleeve by ring flange
Two sections, respectively cylinder body section and linkage section, cylinder body section sleeve be circumferentially provided with sealing ring, for screwing in nitrogen balance device cylinder body
In；Be arranged with contiguous block on linkage section sleeve, the end of the piston rod in nitrogen balance device cylinder body through sleeve and contiguous block to
Overhang, piston rod is connected with sleeve lining dynamic sealing；
The contiguous block center offers through hole of the diameter equal to sleeve outer diameter, is offered through contiguous block thickness direction many
Contiguous block is sheathed on sleeve and fixed by individual bolt hole, connecting bolt through the bolt hole of contiguous block and the bolt hole of ring flange
In the end face of ring flange；
Contiguous block is in integrally " convex " font, offers bolt hole on two lugs, and bolt is through the bolt hole on lug by nitrogen
Balancer cylinder body is fixed on workpiece.
2. the sealing structure for being arranged at nitrogen balance device tailpiece of the piston rod according to claim 1, it is characterised in that：Linkage section
Sealing ring is provided with sleeve.
3. the sealing structure for being arranged at nitrogen balance device tailpiece of the piston rod according to claim 1, it is characterised in that：The company
It is shoulder hole to connect the bolt hole on block.
4. the sealing structure for being arranged at nitrogen balance device tailpiece of the piston rod according to claim 1, it is characterised in that：The company
It is dormant bolt hole to connect the bolt hole on block.
5. the sealing structure for being arranged at nitrogen balance device tailpiece of the piston rod according to claim 4, it is characterised in that：Contiguous block
Protection board is fixedly connected with by screw away from the end face of ring flange, the center of protection board offers one to be used for through work
The through hole of stopper rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621236560.8U CN206253960U (en) | 2016-11-18 | 2016-11-18 | A kind of sealing structure for being arranged at nitrogen balance device tailpiece of the piston rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621236560.8U CN206253960U (en) | 2016-11-18 | 2016-11-18 | A kind of sealing structure for being arranged at nitrogen balance device tailpiece of the piston rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206253960U true CN206253960U (en) | 2017-06-16 |
Family
ID=59024335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621236560.8U Active CN206253960U (en) | 2016-11-18 | 2016-11-18 | A kind of sealing structure for being arranged at nitrogen balance device tailpiece of the piston rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206253960U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481722A (en) * | 2016-11-18 | 2017-03-08 | 江苏智石科技有限公司 | A kind of nitrogen balance device sealing structure |
-
2016
- 2016-11-18 CN CN201621236560.8U patent/CN206253960U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481722A (en) * | 2016-11-18 | 2017-03-08 | 江苏智石科技有限公司 | A kind of nitrogen balance device sealing structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201346724Y (en) | Nitrogen gas balancing cylinder system for weight counterbalance to machining centre | |
| CN206253960U (en) | A kind of sealing structure for being arranged at nitrogen balance device tailpiece of the piston rod | |
| CN206382868U (en) | A kind of nitrogen balance cylinder system | |
| CN201076895Y (en) | Radial-axial numeric control ring rolling mill | |
| CN106392755A (en) | Nitrogen balance cylinder system for weight balance of machine tool | |
| CN103949684A (en) | Numerical control chuck with automatic key locking device | |
| CN203693467U (en) | Novel damping mechanism | |
| CN206253959U (en) | A kind of nitrogen balance device for principal spindle of machine tool | |
| CN202877559U (en) | Cutter frame structure of vertical lathe | |
| CN201405204Y (en) | Rotary exchanging device for double-exchange workbench of horizontal machining centre | |
| CN106481722A (en) | A kind of nitrogen balance device sealing structure | |
| CN204413721U (en) | A kind of built-in machine tool main spindle driving device | |
| CN209174911U (en) | A kind of direct-connected main shaft assemble mechanism | |
| CN207071814U (en) | Train wheel oil filler point and plate hole are integrally machined frock | |
| CN107597284A (en) | A kind of simplification, the rotating drivetrain reconfigured and its interior set cooling water channel | |
| CN109317698A (en) | A kind of direct-connected main shaft assemble mechanism | |
| CN208758679U (en) | A kind of boring bull drilling equipment of vehicle bridge differential lock | |
| CN205324784U (en) | Efficient centre bore lathe that punches | |
| CN102921972A (en) | Knife rest structure of vertical lathe | |
| CN104551812B (en) | A kind of built-in machine tool main spindle driving device | |
| CN203917998U (en) | A kind of numerical control chuck with automatic key locking device | |
| CN106514304A (en) | Nitrogen balancer | |
| CN207208545U (en) | A kind of pneumatic cover locking machine | |
| CN106166634A (en) | The motor-driven revolution work lifting platform of a kind of many supports | |
| CN205342477U (en) | Heavy numerical control merry go round machine brake arresting gear |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |