CN206069981U - A kind of valve sealing face hardens process equipment - Google Patents
A kind of valve sealing face hardens process equipment Download PDFInfo
- Publication number
- CN206069981U CN206069981U CN201621015122.9U CN201621015122U CN206069981U CN 206069981 U CN206069981 U CN 206069981U CN 201621015122 U CN201621015122 U CN 201621015122U CN 206069981 U CN206069981 U CN 206069981U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- rolling
- process equipment
- roller
- frame
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Machine Tool Units (AREA)
Abstract
This utility model is related to a kind of valve sealing face hardening process equipment, including the L-shaped frame of plane, dynamic turntable is fixed in the inside of the frame, and the top of the power turntable is fixed with workpiece by fixture, and the bar portion of the workpiece is connected with workbench is vertically moved；Described to vertically move the rear side that workbench is arranged at power turntable, the right side of the power turntable is installed with sliding table by support, and the power turntable is located at and vertically moves workbench and sliding table central axis cross point；The upper surface of the sliding table has rolling head part by floor installation, and compressed oil cylinder is provided with above the rolling head part, and the compressed oil cylinder is linked into one with frame by the steel plate that its both sides is installed, and forms the stress frame of a closing；The side of the process equipment is provided with control device and hydraulic means.This utility model can carry out rolling to valve sealing face, make valve sealing surface build-up welding alloy be deformed reinforcing, significantly improve sealing surface hardness, effectively increase the quality and service life of valve type product.
Description
Technical field
This utility model is related to a kind of process equipment, and specifically one kind makes which for carrying out rolling to valve sealing face
The process equipment that hardness is improved, belongs to rolling equipment technical field.
Background technology
Valve is widely used in the every field such as commercial production, transportation, pipeline, nuclear power, due to specific work
Make environment, such as air inlet valve and air outlet valve of internal combustion engine door, pipeline chemicals valve, the work under bad environment of this valve generally makes
Used in high temperature and have in corrosive fluid media (medium), therefore this valve invalidation form is mainly because of sealing surface wear, corrosion
Etc. what is caused.
The seal form of valve is generally planar or conical surface seal, is life-span and the job stability for improving valve, this
Valve generally needs in its sealing surface that built-up welding is anti-corrosion, high-temperature alloy.The technology for commonly using at present is the heap on valve face sealing surface
Weldering Stellite（Cobalt-based）, Colmonoy it is (Ni-based）Deng alloy, above-mentioned alloy is using eutectic carbide as hardening constituent, alloy itself
With higher hardness, therefore the service life and job stability of valve face can be significantly improved.But above-mentioned alloy also has deficiency
Place, on the one hand as weld defect is for example loose, pore, incomplete fusion etc. reduce the quality of overlay cladding；On the other hand due to alloy
Hardness itself is high, therefore the fragility of alloy itself is big, in use thermal stress, mechanical stress and welding residual stress common work
With under, overlay cladding is also easy to produce crackle, so that valve fails ahead of time, can cause major accident when serious.
With the development of material science, anti-corrosion, the high-temperature alloy with intermetallic compound as hardening constituent is continuously available out
Send out, and be used widely.The corrosion resistance of this kind of alloy more preferably, has the disadvantage that matrix hardness is relatively low.By taking Inconel718 as an example, its
Normality hardness is 200 ~ 240HV, but by deformation strengthening, and by appropriate heat treatment, its hardness can reach 540 ~ 580HV.
Therefore, the application of this kind of alloy provides wide prospect to improve valve mass and service life.
Utility model content
Technical problem to be solved in the utility model, is the shortcoming for overcoming prior art, there is provided a kind of rational in infrastructure, property
Can be stable, it is allowed to strengthen by plastic deformation, valve seal surface hardness can be effectively improved, so as to improves valve mass and use
The valve sealing face hardening process equipment in life-span.
In order to solve above technical problem, this utility model provides a kind of valve sealing face and hardens process equipment, including flat
The L-shaped frame in face, the inside of the frame fix dynamic turntable, and the top of the power turntable is fixed with by fixture
Workpiece, the bar portion of the workpiece are connected with workbench is vertically moved；The workbench that vertically moves is arranged at power turntable
Rear side, the right side of the power turntable are installed with sliding table by support, and the power turntable is located at vertical shifting
Dynamic workbench and sliding table central axis cross point；The upper surface of the sliding table has rolling by floor installation
Head part, is provided with compressed oil cylinder above the rolling head part, the steel plate that the compressed oil cylinder is installed by its both sides with
Frame is linked into one, and forms the stress frame of a closing；The side of the process equipment is provided with control device and hydraulic pressure dress
Put.
The technical scheme that this utility model is further limited is：Aforesaid valve sealing face hardens process equipment, and power turns
Platform includes the fixture for being fixed on power turntable upper end, and the fixture passes through drive shaft system and the revolution for being arranged at power turntable bottom
Oil cylinder is connected, and provides power by angling cylinder and drives fixture to be rotated；Permanent magnetism is installed in the side of angling cylinder same
Step motor, is provided with gear pair on the output shaft of the permagnetic synchronous motor, the gear pair is one group of reduction gearing, including master
Moving gear and with the intermeshing driven gear of the driving gear.
Further, aforesaid valve sealing face hardens process equipment, and the workbench that vertically moves includes that one group has
The line slideway of chute, the line slideway are installed on and are provided with upper and lower along its chute on line slideway described in the front of side lathe bed
The sliding support of slip, the upper plane of the sliding support, position corresponding with rotary table center are provided with hydraulic pressure center
Frame；The rear side of the sliding support is equipped with piston rod attachment support, is connected with hoist cylinder by the piston rod attachment support
Connect.
Further, aforesaid valve sealing face hardens process equipment, and sliding table includes the work being installed on support
Make slide unit, the table top of the working slider forms an inclination angle at an acute angle with the column of support, and the angle at the inclination angle is
30 °, the end of the working slider is provided with servomotor, and the operating position for adjusting sliding table is driven by servomotor.
Further, aforesaid valve sealing face hardens process equipment, and rolling head part includes being installed on sliding table
The base on top, the side of the base are fixed with rolling headstock slide, and the top of the rolling headstock slide is equipped with servo oil
Cylinder connecting bracket, the connecting bracket are fixedly connected with servo-cylinder, and the servo-cylinder is mutual in same level with support
Perpendicular, the servo-cylinder is connected with knock-off joint by servo-cylinder piston rod thread；It is provided with the rolling headstock slide
Rectangle chute, slides up and down the milled head mounting bracket being installed on rolling headstock slide in the chute；The milled head
The bottom of mounting bracket is provided with U-shaped rolling wheel support, is provided with roll wheel assembly in the rolling wheel support；Roll wheel assembly includes U-shaped
The roller bearing installing hole that rolling wheel support both sides are fixed, is provided with roller bearing, is sequentially installed with anti-on the roller bearing in the roller bearing installing hole
Rotate pressing plate, roller and bushing；The roller inner holes are sequentially installed with cylinder roller bearing, bearing spacer, the cylindrical roller
The two ends of bearing are installed with bearing cover by connector, and, built with oil baffle, the roller is in rolling for the bearing cover
Rotate freely in axle.
Further, aforesaid valve sealing face hardens process equipment, and the work surface of roller is the taper with angle, institute
The angle for stating angle is 60 ° ~ 90 °；The roller is mutually agreed with surface of the work, produces plastic deformation, makes surface of the work form ring
Connected in star；According to the diverse location of roller, the surface of the work forms one group of rolling annular groove with concentric circular.
Further, aforesaid valve sealing face hardens process equipment, and hydraulic means includes the liquid that pressure is provided for system
Press pump station, is integrated with hydraulic control component in the hydraulic power unit, by pipeline respectively with vertically move oil cylinder, hydraulic center frame
Oil cylinder, hydraulic power chuck angling cylinder, Mobile Slide clamping cylinder and roller mill servo-cylinder are connected.
Further, aforesaid valve sealing face hardens process equipment, and isolation protecting device is provided with the outside of frame, described
Isolation protecting device is semiclosed slidingtype, including cover plate, the cover plate are connected with the slide being installed on pedestal.
The beneficial effects of the utility model are：The valve sealing face hardening process equipment that this utility model is provided can be to valve
Door sealing face carries out rolling, makes valve sealing surface build-up welding alloy be deformed reinforcing, significantly improves sealing surface hardness, effectively carry
The quality and service life of high valve type product.Also, as rolling makes surfacing layer fine and close, the welding such as loose, pore
Defect is able to seam, improves the internal soundness of overlay cladding, and the compressive stress on its surface can offset tension during work, can have
Effect reduces the tearing tendency of overlay cladding, therefore the reliability of product, stability are further improved.
Power turntable of the present utility model adopts transducer drive, the linear velocity constant of different size work pieces process, rolling
Head adopts the technological parameters such as closed loop control, loading speed, rolling depth, dwell time to be accurately controlled, the technique of different workpieces
Parameter can keep, and investigation is convenient.Therefore, the technological equipment is easy to operate, and the reliability of technique and stability are high.And then improve
The stability and reliability of product quality.
Technology of the present utility model can be used for other have similar technique require product, have a extensive future, with compared with
Good market popularization value.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is side view of the present utility model.
Fig. 3 is power turntable structure schematic diagram of the present utility model.
Fig. 4 is rolling head part structural representation of the present utility model.
Fig. 5 is the side view of rolling head part of the present utility model.
Fig. 6 is topology layout figure of the present utility model.
Fig. 7 is rolling schematic diagram of the present utility model.
Specific embodiment
A kind of valve sealing face hardening process equipment that the present embodiment is provided, structure is as shown in Figures 1 to 7：Including frame
1st, power turntable 2, vertically move workbench 3, sliding table 4, rolling head part 5, compressed oil cylinder 6, hydraulic power unit, electric-controlled
System processed and isolation protecting device.
Wherein, frame is the L-shaped welding structural element of a plane, maximum when its structural strength energy load bearing equipment works
Load.
And fix dynamic turntable in the inside of frame, should include fixture 21, power chuck seat 22, driving gear 23, from
Moving gear 24, permagnetic synchronous motor 25, rotary power axle 26, angling cylinder pull bar 27, anti-rotation support 28 and power rotation oil
Cylinder 29.Wherein, the top of power chuck seat is then provided with fixture by connector, the fixture selected in the present embodiment be three-jaw from
Centering oild chuck, for 14 pan portion of clamping workpiece, drives workpiece to rotate, and the bar portion of workpiece then with vertically move workbench phase
Connection.Meanwhile, the fixture is connected with the angling cylinder for being arranged at power turntable bottom by rotary power axle, and angling cylinder
Bottom side is also equipped with anti-rotation support, in case stopping power turns round synchronous rotary therewith.Rotary power axle includes final drive shaft,
Adpting flange, thrust bearing are arranged at top, middle that gear is housed, and bottom is equipped with ball bearing.Its middle-end is provided with gear pair, the tooth
Wheel set be one group of reduction gearing, including driving gear and with the intermeshing driven gear of the driving gear, wherein driving gear
Side be connected with the outfan of permagnetic synchronous motor；Connection of the driven gear by thrust bearing, is installed on rotary power
On axle, the adpting flange on rotary power axle top is used with fixing power chuck.Meanwhile, the turntable rotating speed for needed for obtaining, tooth
The gear ratio of wheel set is 23:96.Then by frequency control, range of motor speeds is 300 ~ 1500rpm to permagnetic synchronous motor.In rotation
Be also equipped with power rotation oil cylinder pull bar in the middle part of rotatory force axle, power rotation oil cylinder pull bar upper end and power Ka Pan -tooth connect
Connect, power rotation oil cylinder pull bar lower end is connected with power rotation oil cylinder.
Vertically moving workbench includes one group of line slideway with chute, and the line slideway is just installed in side lathe bed
Face (along Z axis), line slideway are provided with the sliding support slided up and down along its chute, the upper plane of sliding support, with rotation work
The corresponding position in Zuo Tai centers is provided with hydraulic center frame 31；The rear side of sliding support is equipped with piston rod attachment support, by work
Stopper rod adapter bracket is connected with hoist cylinder 32, to drive sliding support to slide along line slideway.
The right side of power turntable is installed with sliding table by support, and sliding table includes being installed on support
Working slider, the working slider for NC-YHJ40-400 standard working slider.And the table top of working slider is vertical with support
Post forms inclination angle, and the angle is consistent with valve sealing face angle, and angle is 30 °, and the end of working slider is provided with servomotor 41,
The operating position for adjusting sliding table is driven by servomotor.
Meanwhile, power turntable is located at and vertically moves workbench and sliding table central axis cross point.
Rolling head part is provided with by base 511 in the upper surface of sliding table, including being fixed on base side
Rolling headstock slide 56, the outside for rolling headstock slide are provided with rolling headstock slide lid 57, and roll the top of headstock slide
Servo-cylinder 58 is provided with by connecting bracket 52, servo-cylinder is orthogonal in same level with support.The rolling headstock is slided
Rectangle gathering sill is provided with seat, servo-cylinder is connected with knock-off joint 55 by servo-cylinder piston rod thread.One milled head peace
59 are shelved loaded in balladeur train seat, in the middle part of milled head installing rack, designs rectangular, can be along guide chute in the case where servo-cylinder drives
Lower slider；The top of milled head mounting bracket is cylinder, and the end of cylinder is socketed with flange 53, card is provided with cylinder
Annular groove, is provided with snap ring 54 in annular groove, connected by snap ring, flange and servo-cylinder knock-off joint；Milled head mounting bracket
Middle part is rectangular shaped slider, is slided up and down in rolling headstock slide chute；The bottom of milled head mounting bracket is U-shaped roller
Frame, is provided with roll wheel assembly in rolling wheel support.Cylinder efficient pressure loads on roller by milled head installing rack, under driving rolls
OK, roller acts perpendicularly to surface of the work, drives milled head installing rack up by snap ring during backhaul.Roll wheel assembly includes U-shaped
Rolling wheel support both sides fix roller bearing installing hole, roller bearing is provided with roller bearing installing hole, be sequentially installed with roller bearing anti-rotation dynamic pressure plate,
Roller shaft and bushing；Roller inner holes are sequentially installed with cylinder roller bearing, bearing spacer, and the two ends of cylinder roller bearing are by connecting
Fitting is installed with bearing cover, and bearing cover is rotated freely in roller bearing built with oil baffle, roller 51.During rolling, work
Part is rotated and drives roller rotation.The work surface of roller is the taper with angle, and the angle of angle is 90 °.Roller and workpiece table
Face is mutually agreed with, and under on-load pressure effect produces plastic deformation, makes surface of the work form annular groove；And according to the difference of roller
Position, makes surface of the work form one group of rolling annular groove with concentric circular.
Servo-cylinder passing ratio valve, pressure transducer and the displacement transducer carry out closed loop control：Drive for servo-cylinder
Dynamic rolling head contacts surface of the work, after an initial pressure reaches setting value, loading speed loading of the oil cylinder to set；Work as roller
Roll that the plastic deformation for making rolling surface reach regulation had both stopped loading after rolling depth and pressurize is to the stipulated time.
Compressed oil cylinder is installed above rolling head part, by each one block of steel plate and machine that are fixed on compressed oil cylinder both sides
Body connects, and forms the stress frame of a closing.Compressed oil cylinder applies one 20 tons of pressure in rolling head rolling, for supporting
The counteracting force that the rolling that disappears head part bears.Oil cylinder working-pressure is carried on rolling head part, is transferred to machine by sliding table
Body, off-load is in the stress frame of closing.
The side of process equipment is additionally provided with control device and hydraulic means.Control device is used for the control of apparatus processing process
System, including switch cubicle and operating board, is provided with industrial computer and PLC control system in switch cubicle, the outside of industrial computer is provided with aobvious
Show device and control panel；Industrial computer is connected with PLC control system communication by industrial bus, and setting up in PLC control system has work
Hydraulic system that part roller is pricked in parameter information, with process equipment, power turntable, vertically move workbench, sliding table, rolling
Head part, displacement transducer, pressure transducer, the connection of entrance guard sensor communication control；Operating board is then arranged at the one of switch cubicle
Side, is fixed on the outside of the frame by support, is additionally provided with several input instruction buttons, passes through on the panel of operating board
Each input instruction button input single operation instruction is controlled to process equipment.Hydraulic means includes providing pressure for system
Hydraulic power unit, is integrated with hydraulic control component in the hydraulic power unit, by pipeline respectively with vertically move oil cylinder, hydraulic center frame
Oil cylinder, hydraulic power chuck angling cylinder, Mobile Slide clamping cylinder and roller mill servo-cylinder are connected.
The course of work of the present embodiment is：
Device is manipulated by first, is switched on power, and start pumping plant.
Workpiece is installed on the fixture of power turntable, in operating board locker power chuck.Liquid is adjusted by hoist cylinder
Pressure center rack position, tightens up centre frame.By servomotor mobile working slide unit to adjust rolling head operating position, close anti-
Shield door.Now working slider, rolling head are back to original position.
Product feature field and the technological parameters such as input through keyboard product type, job number, processing quantity in industrial computer, or directly
Connect and call the working procedure for being stored to industrial computer.
Switch, starting device are on, power turntable drives workpiece rotation, sliding table to be moved to operating position,
Compressed oil cylinder is loaded, and servo-cylinder driven roller dog is descending, roller contact workpiece, drives roller to rotate.When an initial pressure
After reaching setting value, next slight impression can be stayed in surface of the work.Now can set device quit work, compressed oil cylinder is let out
Pressure, working slider and rolling head return original position.Protective door can be then opened, Indentation position is checked, by keyboard
Slide unit operating position parameter can be corrected.
Starting device, by previous step sequence of movement, after an initial pressure reaches setting value, servo-cylinder drives rolling
Head is loaded by certain loading speed, when rolling makes rolling surface reach the plastic deformation of regulation（Rolling depth）After stop
Load and pressurize is to the stipulated time.Now an annular groove is formed in rolling face.
After completing first rolling, compressed oil cylinder pressure release, rolling head are lifted, by servo devices adjust automatically rolling
Head position, carries out second rolling, until completing the rolling of whole sealing surface.So one group of rolling is formed in sealing surface position
Concentric annular grooves.
After processing a workpiece, original position is return in compressed oil cylinder pressure release, slide unit and rolling head, and equipment stops operating.
Unclamp hydraulic center frame, unclamp power chuck in operating board manipulation, open protective door, take out workpiece.
Through the workpiece of rolling, by appropriate machining, rolling groove is removed, form smooth sealing surface.Through
Actual installation contrast, using the valve of rolling hardening process, compares common its service life of hardfacing alloy valve and can improve 1 ~ 2
Times.
In addition to the implementation, this utility model can also have other embodiment.All employing equivalents or equivalent change
The technical scheme to be formed is changed, the protection domain of this utility model requirement is all fallen within.
Claims (8)
1. a kind of valve sealing face hardens process equipment, it is characterised in that：Including the L-shaped frame of plane, the frame it is interior
Dynamic turntable is fixed in portion, and the top of the power turntable is fixed with workpiece by fixture, the bar portion of the workpiece with it is vertical
Mobile work platform is connected；Described to vertically move the rear side that workbench is arranged at power turntable, the right side of the power turntable leads to
Cross support and be installed with sliding table, and the power turntable is located at and vertically moves workbench and sliding table centrage
Square crossing point；The upper surface of the sliding table has a rolling head part by floor installation, the rolling head part it is upper
Side is provided with compressed oil cylinder, and the compressed oil cylinder is linked into one with frame by the steel plate that its both sides is installed, and forms an envelope
The stress frame for closing；The side of the process equipment is provided with control device and hydraulic means.
2. valve sealing face according to claim 1 hardens process equipment, it is characterised in that：The power turntable includes solid
Due to the fixture of power turntable upper end, the fixture is connected with the angling cylinder for being arranged at power turntable bottom by drive shaft system
Connect, power is provided by angling cylinder and drive fixture to be rotated；Permagnetic synchronous motor is installed in the side of angling cylinder, institute
State, the gear pair be one group of reduction gearing, including driving gear and
With the intermeshing driven gear of the driving gear.
3. valve sealing face according to claim 1 hardens process equipment, it is characterised in that：It is described to vertically move workbench
Including one group of line slideway with chute, the line slideway is installed on and sets on the front of side lathe bed, the line slideway
There are the sliding support slided up and down along its chute, the upper plane of the sliding support, position corresponding with rotary table center
Hydraulic center frame is installed；The rear side of the sliding support is equipped with piston rod attachment support, by the piston rod attachment support
It is connected with hoist cylinder.
4. valve sealing face according to claim 1 hardens process equipment, it is characterised in that：The sliding table includes
The working slider being installed in frame, the table top of the working slider form an inclination angle at an acute angle, institute with the column of frame
The angle for stating inclination angle is that the end of 30 ° of working sliders is provided with servomotor, is driven by servomotor and adjusts slip work
The operating position of platform.
5. valve sealing face according to claim 1 hardens process equipment, it is characterised in that：The rolling head part includes
The base on sliding table top is installed on, the side of the base is fixed with rolling headstock slide, the rolling headstock slide
Top servo-cylinder connecting bracket is housed, the connecting bracket is fixedly connected with servo-cylinder, the servo-cylinder and support
Orthogonal in same level, the servo-cylinder is connected with knock-off joint by servo-cylinder piston rod thread；The rolling
Rectangle chute is provided with pressure head frame slide, the milled head being installed on rolling headstock slide is slided up and down in the chute and is installed
Support；The bottom of the milled head mounting bracket is provided with U-shaped rolling wheel support, is provided with roll wheel assembly in the rolling wheel support；
Roll wheel assembly includes the roller bearing installing hole that U-shaped rolling wheel support both sides are fixed, and roller bearing, the roller bearing are provided with the roller bearing installing hole
On be sequentially installed with anti-rotation dynamic pressure plate, roller and bushing；The roller inner holes be sequentially installed with cylinder roller bearing, bearing every
Circle, the two ends of the cylinder roller bearing are installed with bearing cover by connector, and the bearing cover is built with gear oil
Circle, the roller are rotated freely in roller bearing.
6. valve sealing face according to claim 5 hardens process equipment, it is characterised in that：The work surface of the roller is
Taper with angle, the angle of the angle is 60 ° ~ 90 °；The roller is mutually agreed with surface of the work, produces plastic deformation,
Surface of the work is made to form annular groove；According to the diverse location of roller, the surface of the work forms one group of roller with concentric circular
Roll annular groove.
7. valve sealing face according to claim 5 hardens process equipment, it is characterised in that：The hydraulic means include for
System provides the hydraulic power unit of pressure, is integrated with hydraulic control component in the hydraulic power unit, is moved with vertical by pipeline respectively
Dynamic oil cylinder, hydraulic center frame oil cylinder, hydraulic power chuck angling cylinder, Mobile Slide clamping cylinder and roller mill servo-cylinder phase
Connection.
8. valve sealing face according to claim 1 hardens process equipment, it is characterised in that：It is provided with the outside of the frame
Isolation protecting device, the isolation protecting device is semiclosed slidingtype, including cover plate, the cover plate be installed on pedestal
Slide connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621015122.9U CN206069981U (en) | 2016-08-30 | 2016-08-30 | A kind of valve sealing face hardens process equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621015122.9U CN206069981U (en) | 2016-08-30 | 2016-08-30 | A kind of valve sealing face hardens process equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206069981U true CN206069981U (en) | 2017-04-05 |
Family
ID=58436439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621015122.9U Withdrawn - After Issue CN206069981U (en) | 2016-08-30 | 2016-08-30 | A kind of valve sealing face hardens process equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206069981U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191726A (en) * | 2016-08-30 | 2016-12-07 | 南京国际船舶设备配件有限公司 | A kind of valve sealing face hardening process equipment |
| CN108080882A (en) * | 2018-01-19 | 2018-05-29 | 江苏省机械研究设计院有限责任公司 | A kind of valve rod circular conical surface multiple tracks ditch groove rolling device |
| CN111112413A (en) * | 2020-01-06 | 2020-05-08 | 宁波锦世弘机械设备有限公司 | Automatic edge roller for steel ring |
-
2016
- 2016-08-30 CN CN201621015122.9U patent/CN206069981U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191726A (en) * | 2016-08-30 | 2016-12-07 | 南京国际船舶设备配件有限公司 | A kind of valve sealing face hardening process equipment |
| CN106191726B (en) * | 2016-08-30 | 2018-04-27 | 南京国际船舶设备配件有限公司 | A kind of valve sealing face hardens process equipment |
| CN108080882A (en) * | 2018-01-19 | 2018-05-29 | 江苏省机械研究设计院有限责任公司 | A kind of valve rod circular conical surface multiple tracks ditch groove rolling device |
| CN111112413A (en) * | 2020-01-06 | 2020-05-08 | 宁波锦世弘机械设备有限公司 | Automatic edge roller for steel ring |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206069981U (en) | A kind of valve sealing face hardens process equipment | |
| CN103056658B (en) | A kind of aggregation type lathe | |
| CN106003783A (en) | Large-tonnage rotation movement hydraulic machine | |
| CN110681976B (en) | Aluminum alloy wheel friction stir welding duplex position automatic clamping system | |
| CN101406910A (en) | Large-sized flange molding equipment and molding technique | |
| CN103639249A (en) | Sheet double-point incremental forming device and method | |
| CN206405721U (en) | A kind of moveable Digit Control Machine Tool of novel worktable | |
| CN106191726B (en) | A kind of valve sealing face hardens process equipment | |
| CN113305460A (en) | Automatic welding device and process method suitable for finned radiator oil collecting pipe | |
| CN107127646A (en) | 5-shaft linkage numerical control grinding machine is used in a kind of rotary file processing | |
| CN201785453U (en) | Suspension type inner gear ring high-frequency quenching machine | |
| CN106736614A (en) | A kind of oblique lathe bed automated high-precision Digit Control Machine Tool | |
| CN109848634A (en) | A kind of the inner support chucking device and its application method of the open component inner support of annular | |
| CN201279605Y (en) | Cylinder seat three-surface four-position finish-boring milling plane combined machine tool | |
| CN206509743U (en) | A kind of oblique lathe bed automated high-precision Digit Control Machine Tool | |
| CN202762870U (en) | Robot intelligent roller hemming press-fit system | |
| CN110722371B (en) | Numerical control machining positioning mounting fixture for marine propeller | |
| CN201366614Y (en) | Combined machine tool for processing large mechanical parts | |
| CN207309704U (en) | A kind of XY for five-shaft numerical control grinding machine is to slide unit | |
| CN205767612U (en) | A kind of long ton rotary movable hydraulic machine | |
| CN102151987A (en) | Box for preparing and forming laser material with controllable ambient temperature under inert atmosphere | |
| CN206105466U (en) | Machining center fourth axle frock | |
| CN102825312A (en) | Pipe annular seam back chipping and edge milling machine | |
| CN103009134B (en) | Heavy rotating roller frame | |
| CN106141416A (en) | Lifting type stitch welding device for full hydraulic drive numerical control friction stitch welding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170405 Effective date of abandoning: 20180427 |
|
| AV01 | Patent right actively abandoned |