CN107813158A - A kind of pipe cutting apparatus of stability and high efficiency - Google Patents
A kind of pipe cutting apparatus of stability and high efficiency Download PDFInfo
- Publication number
- CN107813158A CN107813158A CN201711011159.3A CN201711011159A CN107813158A CN 107813158 A CN107813158 A CN 107813158A CN 201711011159 A CN201711011159 A CN 201711011159A CN 107813158 A CN107813158 A CN 107813158A
- Authority
- CN
- China
- Prior art keywords
- cutting
- compartment
- railway carriage
- buffer board
- stability
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
- B23Q1/30—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members controlled in conjunction with the feed mechanism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0032—Arrangements for preventing or isolating vibrations in parts of the machine
- B23Q11/0039—Arrangements for preventing or isolating vibrations in parts of the machine by changing the natural frequency of the system or by continuously changing the frequency of the force which causes the vibration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
Abstract
The invention discloses a kind of pipe cutting apparatus of stability and high efficiency, including lathe and cutting railway carriage or compartment, the corner location of the lathe is mounted on support base, the bottom of the support base is provided with damping chamber, the centre position of the damping chamber is separately installed with the first buffer board and the second buffer board, it is connected between first buffer board and the second buffer board provided with buffer spring, support bar is installed above first buffer board, the support bar is connected with the baseplane of support base, first magnetic patch after being installed on the baseplane of second buffer board, the second magnetic patch is installed on the baseplane of the damping chamber；The present invention is acted on by elastic buffer and mutual magnetic repulsion dual shock absorption, improves the stability of equipment availability, improves mechanical life, reduces process costs.
Description
Technical field
The present invention relates to a kind of material processing plant, specifically a kind of pipe cutting apparatus of stability and high efficiency.
Background technology
Pipeline be with pipe, pipe connector and valve etc. be connected into be used for convey gas, liquid or with solid particle
Fluid device.Generally, fluid flows to low pressure after the supercharging such as air blower, compressor, pump and boiler at the high pressure of pipeline
Place, pressure or the gravity conveying of fluid itself can also be used.Having many uses for pipeline is general, be used primarily in feedwater, draining, heat supply,
Give gas, in long distance delivery oil and natural gas, agricultural irrigation, hydraulic engineering and various commercial plants.Managed during pipe cutting
An important link in road processing, conventional cutter have and are widely applied very much scope as a kind of cutting tool, can be with
For cutting metal or nonmetallic materials, cutting is efficient and convenient.Cutting machine generally comprises base and the tool above base
There is saw of motor and cutting head etc..However, existing cutting machine is at work, spark, noise can be produced, some metals
Or nonmetallic materials scrap is easily bled around, the health of serious threat staff, and also cutting machine vibration amplitude is larger, very
Parts in cutting machine easily are damaged, reduce the service life of cutting machine.
The content of the invention
It is an object of the invention to provide a kind of pipe cutting apparatus of stability and high efficiency, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the present invention provides following technical scheme：
A kind of pipe cutting apparatus of stability and high efficiency, including lathe and cutting railway carriage or compartment, the upper Plane Installation of the lathe have slide rail, institute
State and be mounted on sliding block at left and right sides of cutting railway carriage or compartment, the sliding block is installed on slide rail, front and rear the two of plane on the lathe
End is mounted on stationary fixture, and the stationary fixture includes fix bar, and the top of the fix bar is provided with upper holder and lower solid
Determine frame, fixed frame and lower fixed frame and between the upper end of fix bar is fixed on by sealed cover, the top in the cutting railway carriage or compartment
End is provided with hydraulic means, and the hydraulic means bottom is provided with hydraulic stem, and the bottom of the hydraulic stem is provided with motor rack, institute
The inner chamber for stating motor rack is provided with motor, and the front end of the motor is provided with power transmission shaft, the left end of the power transmission shaft
Cutting blade is installed, the cutting blade is equipped with positioned at the centre position in cutting railway carriage or compartment, the front and rear sides in the cutting railway carriage or compartment
Feed-throughs, the inner plane in the cutting railway carriage or compartment are provided with puigging, and the side of the baseplane in the cutting railway carriage or compartment is provided with woven hose, institute
The top for stating woven hose is provided with shower nozzle, and the shower nozzle is located at the obliquely downward of cutting blade, the centre of the bottom in the cutting railway carriage or compartment
Position is provided with miscellaneous groove, it is described fall miscellaneous groove be located at the underface of cutting blade, the bottom of the lathe inner chamber is provided with surge hopper,
The bottom of the surge hopper is connected with wind chamber, and the rear end of the wind chamber is connected with impurity-discharging pipe, the end of the impurity-discharging pipe
Collection box is connected with, the corner location of the lathe is mounted on support base, and the bottom of the support base is provided with damping chamber, described
The centre position of damping chamber is separately installed with the first buffer board and the second buffer board, first buffer board and the second buffer board it
Between be connected provided with buffer spring, support bar is installed above first buffer board, the bottom of the support bar and support base is put down
Face is connected, the first magnetic patch after being installed on the baseplane of second buffer board, and the is provided with the baseplane of the damping chamber
Two magnetic patch, the first magnetic patch lower plane are identical with the magnetic pole of plane on the second magnetic patch.
As the further scheme of the present invention：Fixed frame is provided with sealed bolt mutually to connect with the front end of lower fixed frame
Connect.
As the further scheme of the present invention：Fixed frame and lower fixed frame form the center of circle of circular hole and charging is led to
The center of circle in hole is located in same horizontal line.
As the further scheme of the present invention：The puigging is multiple tracks deadening felt composition.
As the further scheme of the present invention：The bottom of the lathe is provided with solvent tank, the woven hose and solvent tank
It is connected, solvent tank is built with coolant.
As the further scheme of the present invention：The impurity-discharging pipe is flexible pipe.
As further scheme of the invention：The slide rail is provided with dial.
Compared with prior art, the beneficial effects of the invention are as follows：The charging of workpiece through the front and rear sides in cutting railway carriage or compartment is led to
Hole, the rear and front end of workpiece are fixed on lathe by stationary fixture, the size cut as needed, the position in regulation cutting railway carriage or compartment
Put, the slide rail is provided with dial, improves the accuracy of cutting；Spraying cooling liquid during cutting, work can be greatly reduced
High temperature caused by part operation, while chip caused by operation is taken away, avoid scrap from bleeding around and threaten being good for for staff
Health；Caused chip, is recycled in collection box after cutting, is easy to follow-up processing or recycling；Pass through elastic buffer and magnetic
Mutual exclusion dual shock absorption acts on, and improves the stability of equipment availability, improves mechanical life, reduces process costs.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation that railway carriage or compartment is cut in the present invention.
Fig. 3 is the structural representation of stationary fixture in the present invention.
Fig. 4 is the structural representation of damping chamber in the present invention.
In figure：1- lathes, 2- cuttings railway carriage or compartment, 3- slide rails, 4- sliding blocks, 5- stationary fixtures, 6- hydraulic means, 7- hydraulic stems, 8-
Motor rack, 9- motors, 10- power transmission shafts, 11- cutting blades, 12- feed-throughs, 13- puiggings, 14- woven hoses, 15- sprays
Head, 16- fall the sealed set of miscellaneous groove, 17- fix bars, 18-, 19- upper holders, 20- lower fixed frames, 21- surge hoppers, 22- wind chambers,
23- impurity-discharging pipes, 24- collection boxes, 25- support bases, 26- dampings chamber, 27- support bars, the buffer boards of 28- first, 29- second are buffered
Plate, 30- buffer springs, the magnetic patch of 31- first, the magnetic patch of 32- second.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1~4, in the embodiment of the present invention, a kind of pipe cutting apparatus of stability and high efficiency, including lathe 1 and cut
Railway carriage or compartment 2 is cut, the upper Plane Installation of the lathe 1 has slide rail 3, and the left and right sides in the cutting railway carriage or compartment 2 is mounted on sliding block 4, the cunning
Block 4 is installed on slide rail 3, and the rear and front end of plane is mounted on stationary fixture 5 on the lathe 1, and the stationary fixture 5 wraps
Include fix bar 17, the top of the fix bar 17 is provided with upper holder 19 and lower fixed frame 20, fixed frame 19 and lower solid
Determine frame 20 and between fix bar 17 is fixed on by sealed set 18 upper ends, the front end of fixed frame 19 and lower fixed frame 20
Mutually connected provided with sealed bolt, the top in the cutting railway carriage or compartment 2 is provided with hydraulic means 6, and the bottom of hydraulic means 6 is provided with
Hydraulic stem 7, the bottom of the hydraulic stem 7 are provided with motor rack 8, and the inner chamber of the motor rack 8 is provided with motor 9, described
The front end of motor 9 is provided with power transmission shaft 10, and the left end of the power transmission shaft 10 is provided with cutting blade 11, the cutting blade
11 are equipped with feed-throughs 12, fixed frame positioned at the centre position in cutting railway carriage or compartment 2, the front and rear sides in the cutting railway carriage or compartment 2
19 and lower fixed frame 20 form the center of circle of circular hole and the center of circle of feed-throughs and be located in same horizontal line, by workpiece through cutting
The feed-throughs 12 of the front and rear sides in railway carriage or compartment 2, the rear and front end of workpiece are fixed on lathe by stationary fixture 5, as needed
The size of cutting, the position in regulation cutting railway carriage or compartment 2, the slide rail 3 are provided with dial, improve the accuracy of cutting, the cutting
The inner plane in railway carriage or compartment 2 is provided with puigging 13, and the puigging 13 is multiple tracks deadening felt composition, making an uproar when reducing the operation of cutting workpiece
Influence of the sound to operating personnel, the side of the baseplane in the cutting railway carriage or compartment 2 are provided with woven hose 14, the top of the woven hose 14
Shower nozzle 15 is installed, the bottom of the lathe 1 is provided with solvent tank, and the woven hose 14 is connected with solvent tank, in solvent tank
Equipped with coolant, the shower nozzle 15 is located at the obliquely downward of cutting blade 11, when workpiece operation can be greatly reduced in coolant
Caused high temperature, while chip caused by operation is taken away, avoid scrap from bleeding around the health for threatening staff.
The centre position of the bottom in the cutting railway carriage or compartment 2 is provided with miscellaneous groove 16, it is described fall miscellaneous groove 16 be located at cutting blade 11
Underface, the bottom of the inner chamber of lathe 1 are provided with surge hopper 21, and the bottom of the surge hopper 21 is connected with wind chamber 22,
The rear end of the wind chamber 22 is connected with impurity-discharging pipe 23, and the impurity-discharging pipe 23 is flexible pipe, and the end of the impurity-discharging pipe 23 is connected with
Collection box 24, caused chip after cutting, washed away and flowed into surge hopper 21 by coolant, then be delivered to back by impurity-discharging pipe 23
Case 24 is received, is easy to follow-up processing and is utilizing.The corner location of the lathe 1 is mounted on support base 25, the support
The bottom of seat 25 is provided with damping chamber 26, and the centre position of the damping chamber 26 is separately installed with the first buffer board 28 and the second buffering
Plate 29, it is connected provided with buffer spring 30 between the buffer board 29 of the first buffer board 28 and second, first buffer board 28
Top is provided with support bar 27, and the support bar 27 is connected with the baseplane of support base 25, the bottom of second buffer board 29
First magnetic patch 31 after being installed in plane, the second magnetic patch 32, first magnetic patch 31 are installed on the baseplane of the damping chamber 26
Lower plane is identical with the magnetic pole of plane on the second magnetic patch 32, is acted on by elastic buffer and mutual magnetic repulsion dual shock absorption, and raising is set
The stability of standby operation, improves mechanical life, reduces process costs.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (7)
1. a kind of pipe cutting apparatus of stability and high efficiency, including lathe（1）With cutting railway carriage or compartment（2）, it is characterised in that the lathe
（1）Upper Plane Installation have slide rail（3）, the cutting railway carriage or compartment（2）The left and right sides be mounted on sliding block（4）, the sliding block（4）
Installed in slide rail（3）On, the lathe（1）The rear and front end of upper plane is mounted on stationary fixture（5）, the stationary fixture
（5）Including fix bar（17）, the fix bar（17）Top be provided with upper holder（19）And lower fixed frame（20）, it is described solid
Determine frame（19）And lower fixed frame（20）Pass through sealed set between（18）It is fixed on fix bar（17）Upper end, the cutting railway carriage or compartment
（2）Top hydraulic means is installed（6）, the hydraulic means（6）Bottom is provided with hydraulic stem（7）, the hydraulic stem（7）'s
Bottom is provided with motor rack（8）, the motor rack（8）Inner chamber motor is installed（9）, the motor（9）Before
End is provided with power transmission shaft（10）, the power transmission shaft（10）Left end cutting blade is installed（11）, the cutting blade（11）Position
In cutting railway carriage or compartment（2）Centre position, the cutting railway carriage or compartment（2）Front and rear sides be equipped with feed-throughs（12）, the cutting railway carriage or compartment
（2）Inner plane be provided with puigging（13）, the cutting railway carriage or compartment（2）The side of baseplane woven hose is installed（14）, it is described defeated
Liquid pipe（14）Top shower nozzle is installed（15）, the shower nozzle（15）Positioned at cutting blade（11）Obliquely downward, the cutting railway carriage or compartment
（2）The centre position of bottom be provided with miscellaneous groove（16）, it is described fall miscellaneous groove（16）Positioned at cutting blade（11）Underface, it is described
Lathe（1）The bottom of inner chamber is provided with surge hopper（21）, the surge hopper（21）Bottom be connected with wind chamber（22）, it is described
Wind chamber（22）Rear end be connected with impurity-discharging pipe（23）, the impurity-discharging pipe（23）End be connected with collection box（24）, the machine
Bed（1）Corner location be mounted on support base（25）, the support base（25）Bottom be provided with damping chamber（26）, the damping
Chamber（26）Centre position be separately installed with the first buffer board（28）With the second buffer board（29）, first buffer board（28）With
Second buffer board（29）Between be provided with buffer spring（30）It is connected, first buffer board（28）Top is provided with support bar
（27）, the support bar（27）With support base（25）Baseplane be connected, second buffer board（29）Baseplane on pacify
First magnetic patch after dress（31）, the damping chamber（26）Baseplane on the second magnetic patch is installed（32）, first magnetic patch（31）
Lower plane and the second magnetic patch（32）The magnetic pole of upper plane is identical.
2. the pipe cutting apparatus of stability and high efficiency according to claim 1, it is characterised in that fixed frame（19）With
Lower fixed frame（20）Front end be provided with sealed bolt and mutually connect.
3. the pipe cutting apparatus of stability and high efficiency according to claim 1, it is characterised in that fixed frame（19）With
Lower fixed frame（20）The center of circle of formed circular hole and the center of circle of feed-throughs are located in same horizontal line.
4. the pipe cutting apparatus of stability and high efficiency according to claim 1, it is characterised in that the puigging（13）It is more
Road deadening felt composition.
5. the pipe cutting apparatus of stability and high efficiency according to claim 1, it is characterised in that the lathe（1）Bottom
Solvent tank, the woven hose are installed（14）It is connected with solvent tank, solvent tank is built with coolant.
6. the pipe cutting apparatus of stability and high efficiency according to claim 1, it is characterised in that the impurity-discharging pipe（23）To be soft
Pipe.
7. the pipe cutting apparatus of stability and high efficiency according to claim 1, it is characterised in that the slide rail（3）It is provided with
Dial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711011159.3A CN107813158A (en) | 2017-10-25 | 2017-10-25 | A kind of pipe cutting apparatus of stability and high efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711011159.3A CN107813158A (en) | 2017-10-25 | 2017-10-25 | A kind of pipe cutting apparatus of stability and high efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107813158A true CN107813158A (en) | 2018-03-20 |
Family
ID=61603054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711011159.3A Pending CN107813158A (en) | 2017-10-25 | 2017-10-25 | A kind of pipe cutting apparatus of stability and high efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107813158A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108262638A (en) * | 2018-03-26 | 2018-07-10 | 佛山市博蓄科技有限公司 | A kind of cutting mechanics being convenient to clean |
| CN109014276A (en) * | 2018-07-12 | 2018-12-18 | 芜湖凌梦电子商务有限公司 | Contour stepped hole composite die is turned over for double-deck metal plate cylinder side |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205008912U (en) * | 2015-09-30 | 2016-02-03 | 苏州龙行洲实业有限公司 | Mechanical clamping device |
| CN205129060U (en) * | 2015-10-10 | 2016-04-06 | 重庆侨立管道制造有限公司 | Portable pipeline cutting device |
| CN106378802A (en) * | 2016-12-05 | 2017-02-08 | 安徽睿知信信息科技有限公司 | Pipeline cutting device |
| CN107234295A (en) * | 2017-08-08 | 2017-10-10 | 王国萍 | A kind of safety and environmental protection cutting machine |
-
2017
- 2017-10-25 CN CN201711011159.3A patent/CN107813158A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205008912U (en) * | 2015-09-30 | 2016-02-03 | 苏州龙行洲实业有限公司 | Mechanical clamping device |
| CN205129060U (en) * | 2015-10-10 | 2016-04-06 | 重庆侨立管道制造有限公司 | Portable pipeline cutting device |
| CN106378802A (en) * | 2016-12-05 | 2017-02-08 | 安徽睿知信信息科技有限公司 | Pipeline cutting device |
| CN107234295A (en) * | 2017-08-08 | 2017-10-10 | 王国萍 | A kind of safety and environmental protection cutting machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108262638A (en) * | 2018-03-26 | 2018-07-10 | 佛山市博蓄科技有限公司 | A kind of cutting mechanics being convenient to clean |
| CN109014276A (en) * | 2018-07-12 | 2018-12-18 | 芜湖凌梦电子商务有限公司 | Contour stepped hole composite die is turned over for double-deck metal plate cylinder side |
| CN109014276B (en) * | 2018-07-12 | 2019-12-13 | 南京晶环精密模具技术有限责任公司 | composite die for side turning equal-height step holes of double-layer metal plate cylinder |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20180320 |