CN106346089B - A kind of sand control filtration members automatic charging processing unit (plant) - Google Patents
A kind of sand control filtration members automatic charging processing unit (plant) Download PDFInfo
- Publication number
- CN106346089B CN106346089B CN201610826533.4A CN201610826533A CN106346089B CN 106346089 B CN106346089 B CN 106346089B CN 201610826533 A CN201610826533 A CN 201610826533A CN 106346089 B CN106346089 B CN 106346089B
- Authority
- CN
- China
- Prior art keywords
- lead screw
- filtration members
- platform
- sand control
- transmission platform
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 43
- 239000004576 sand Substances 0.000 title claims abstract description 42
- 230000005540 biological transmission Effects 0.000 claims abstract description 49
- 238000009434 installation Methods 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 abstract description 4
- 239000003208 petroleum Substances 0.000 abstract description 4
- 239000003129 oil well Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000010779 crude oil Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229920002334 Spandex Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003027 oil sand Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004391 petroleum recovery Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 239000004759 spandex Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G11/00—Feeding or discharging mechanisms combined with, or arranged in, or specially adapted for use in connection with, thread-cutting machines
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Filtration Of Liquid (AREA)
Abstract
The present invention relates to a kind of sand control filtration members automatic charging processing unit (plant)s, belong to drill and petroleum extraction tools manufacture field under oil well.A kind of sand control filtration members automatic charging processing unit (plant), including：Lead screw transmission platform；The frictional wheel drive system being installed on lead screw transmission platform, the frictional wheel drive system are moved axially with lead screw transmission platform along lead screw；It is specific perpendicular to the U-shaped folder of lead screw transmission platform lead screw axis installation；It is parallel to the positioning clamping of lead screw transmission platform lead screw axis installation；The turning transmission system being installed on lead screw transmission platform, the cutter in the turning transmission system do axial feed with the lead screw in lead screw transmission platform.Using the present invention, existing sand control filtration members can be realized with automation feeding, automation positioning clamp and the externally threaded turning of filtration members forms.
Description
Technical field
The present invention relates to drill and petroleum extraction tools manufacture field under oil well, in particular to a kind of sand control filtration members automatic charging processing
Device.
Background technique
It is this problem concentrated reflection the technical issues of must solving in petroleum industry oil producing operation that oil-sand, which is separated by filtration,
In the petroleum recovery operations in inland, Offshore Oil gas field and deep sea drilling lead screw platform, in order to carry out oil drilling
During exploitation, the impurity of the fine grained grade gravel and larger particle rank in institute's crude oil extraction is directly filtered out, reduces institute
The difficulty and workload of the subsequent filter sand Purification of crude oil extraction constantly have novel sand-proof sand filtering oil production equipment in recent years
It is developed out.Current widely used mechanization sand control filter device is star hole sand control screen, it is using stainless
Steel pipe is uniform-distribution on stainless steel tube external cylindrical surface as base tube and has threaded through-hole, on the peripheral wall of filtration members shell
Also it is threaded, therefore filtration members can be convenient ground precession and be firmly installed in the through-hole of base tube.
With the variation in petroleum industry market, the market of underground equipment can have biggish compression, the production of sand control screen
Quality and processing cost must take in.Foundation《13 planning major projects》, in the work weight of oil equipment at this stage
Point is the development of new equipment and the promotion of equipment sand control seepage flow efficiency.
Existing sand control screen filtration members outer surface processing screw thread method be：First using manually to the machining position of filtration members
It sets and carries out positioning alignment, then operate lathe and carry out processing turning, whether being finally aided with the standard of drift inspection screw thread.Method is simple
But the time excessively is expended, the yield of enterprise is lower, and due to manually operated lack of standard, it is difficult to reduce the outer spiral shell of filtration members
The rejection rate of line processing.
Summary of the invention
It, can it is an object of the invention in view of the above-mentioned problems, provide a kind of sand control filtration members automatic charging processing unit (plant)
It is once turned into realizing that automation feeding, automation positioning clamp and filtration members are externally threaded to existing sand control filtration members
Type.
The object of the present invention is achieved like this：
A kind of sand control filtration members automatic charging processing unit (plant), which is characterized in that including：
Lead screw transmission platform；
The frictional wheel drive system being installed on lead screw transmission platform, the frictional wheel drive system is with lead screw transmission platform
It is moved axially along lead screw；
It is specific along the U-shaped folder perpendicular to the lead screw axis direction installation in lead screw transmission platform；
Along the positioning clamping for the lead screw axis direction installation being parallel in lead screw transmission platform；
The turning transmission system being installed on lead screw transmission platform, the cutter in the turning transmission system is with lead screw transmission
Lead screw in platform does axial feed.
Wherein, the lead screw transmission platform includes lead screw platform, the lead screw being mounted among lead screw platform lower surface, and
It is parallel to a pair of of feed rod that lead screw axis is symmetrically mounted on lead screw platform lower surface.
Wherein, the frictional wheel drive system includes the axial guidance being installed on lead screw transmission platform, is mounted on axial direction
Friction wheel support on guide rail, the friction pulley being mounted on friction wheel support, and the motor of driving friction pulley rotation.
Wherein, the U-shaped folder specifically includes the upper gripper jaw and lower clamping jaw of symmetrical configuration, the upper gripper jaw and the installation of lower clamping jaw
Afterwards in having U-shaped structure open at one end, clamp rail is installed on the outside of its closed end, is installed in the inside of its closed end
There is driven wheel, is embedded respectively on the upper gripper jaw and lower clamping jaw close to its open end and conical idler wheel is installed.
Wherein, having on the upper gripper jaw and lower clamping jaw two faces opposite after installing is in symmetrical V-type recess.
Wherein, the positioning clamping includes main shaft, Photoelectric Detection component, scroll chuck and thimble, and the main shaft hangs down
Direct puncture crosses the center of Photoelectric Detection component, and the scroll chuck is clamped in main shaft tail end, and the thimble and main shaft are coaxial, and just
To the front end face center of main shaft.
Wherein, the turning transmission system includes knife rest and the toolbox that is mounted on knife rest.
Beneficial effects of the present invention are：
(1) the full-automatic feeding of sand control filtration members may be implemented, be aligned, clamp, enterprise can be reduced to greatest extent
Labour cost expenditure.
(2) it joined Photoelectric Detection component in positioning clamping, so that may be implemented in filtration members alignment procedure
Automatic detection.
(3) it realizes full-automatic processing, guarantees the consistent property of filtration members processing, reduce rejection rate to greatest extent,
Improve production efficiency.
(4) mobile accuracy of lead screw transmission platform can be monitored using Lycra laser range finder, substantially increase equipment
Reliability and processing progress.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is scheme of installation when U-shaped folder specifically clamps sand control filtration members.
Fig. 3 is the scheme of installation for positioning clamping component.
Fig. 4 is the structural schematic diagram of turning transmission system.
Fig. 5 is the scheme of installation of frictional wheel drive system and turning transmission system.
Fig. 6 is status diagram of the present invention when cutting sand control filtration members.
In Fig. 1~6：
1 is lead screw platform, and 2 be axial guidance, and 3 be friction wheel support, and 4 be lead screw, and 5 be feed rod, and 6 be motor, and 7 be to rub
Wheel is wiped, 8 be thimble, and 9 is specific for U-shaped folder, and 10 be sand control filtration members, and 11 be main shaft, and 12 be scroll chuck, and 13 be Photoelectric Detection
Device, 14 be toolbox, and 15 be knife rest, and 16 be upper gripper jaw, and 17 be conical idler wheel, and 18 be clamp rail, and 19 be driven
Wheel, 20 be lower clamping jaw.
Specific embodiment
Combined with specific embodiments below and attached drawing, the present invention is further explained.
As shown in Figure 1, a kind of sand control filtration members automatic charging processing unit (plant), including following part：
1) lead screw transmission platform；
The lead screw transmission platform includes lead screw platform 1, the lead screw 4, Yi Jiping being mounted among 1 lower surface of lead screw platform
Row is symmetrically mounted on a pair of of feed rod 5 of 1 lower surface of lead screw platform in 4 axis direction of lead screw.
2) the frictional wheel drive system being installed on lead screw transmission platform；
As shown in figure 5, the frictional wheel drive system specifically includes the axial guidance 2 being installed on lead screw transmission platform,
The friction wheel support 3 being mounted on axial guidance 2, the friction pulley 7 being mounted on friction wheel support 3, and 7 turns of friction pulley of driving
Dynamic motor 6；The frictional wheel drive system is moved axially with lead screw transmission platform along lead screw under the action of motor 6.
3) specific perpendicular to the U-shaped folder of the lead screw axis installation in lead screw transmission platform；
As shown in Fig. 2, the U-shaped folder specifically includes the upper gripper jaw 16 and lower clamping jaw 20 of symmetrical configuration, the upper gripper jaw 16
In having U-shaped structure open at one end after installing with lower clamping jaw 20, clamp rail 18 is installed on the outside of its closed end, at it
Driven wheel 19 is installed on the inside of closed end, embeds and is equipped with respectively on the upper gripper jaw 16 and lower clamping jaw 20 close to its open end
Two conical idler wheels 17；Also having on two opposite faces after the upper gripper jaw 16 and the installation of lower clamping jaw 20 is in symmetrical V-type
Recess, tip of the conical idler wheel 17 respectively along V-type recess are symmetrically installed.
4) it is parallel to the positioning clamping of the lead screw axis installation in lead screw transmission platform；
As shown in figure 3, the positioning clamping includes main shaft 11, Photoelectric Detection component 13, scroll chuck 12 and thimble
8, the main shaft 11 passes perpendicularly through the center of Photoelectric Detection component 13, and the scroll chuck 12 is clamped in 11 tail end of main shaft, institute
The front end face tool of main shaft 11 is stated there are three cylindrical positioning convex platform, the thimble 8 and main shaft 11 are coaxial, and before face main shaft 11
End face center, the end face center of the thimble 8 opposite with the front end face of main shaft 11 also have a boss.
5) the turning transmission system being installed on lead screw transmission platform；
As shown in figure 4, the toolbox 14 that the turning transmission system specifically includes knife rest 15 and is mounted on knife rest 15,
As shown in figure 5, turning transmission system is mounted on the lead screw platform of lead screw transmission platform by knife rest 15, cutter therein is with silk
Lead screw in thick stick transmission platform does axial feed.
The step of carrying out screw thread process to sand control filtration members using the present apparatus is as follows：
1) frictional wheel drive system is installed.Axial guidance 2 is mounted on lead screw platform 1, friction wheel support 3 is fixed
It on axial guidance 2, and can be moved axially along axial guidance 2, friction pulley 7 is fixed on friction wheel support 3, and can edge
It is fed perpendicular to the direction of 4 axis of lead screw, while being rotated by motor 6 of friction pulley 7,10 turns of sand control filtration members can be driven
It is dynamic.
2) turning transmission system is installed.To complete the external screw thread one-time turning of sand control filtration members 10, according to sand control mistake
The geometric parameter (central diameter, screw pitch, thread form angle etc.) of the screw thread of required turning chooses the more vehicles for meeting demand on filter 10 outer ring of part
Knife, and these lathe tools are mounted side by side along the direction perpendicular with turning direction of feed on vehicle frame, a diameter can be passed through in this way
To feeding, external screw thread is disposably completed by rough turn to smart car.
3) sand control filtration members 10 are particularly installed in U-shaped folder.After sand control filtration members 10 are selected to and come into line, U is utilized
Upper gripper jaw 16 and lower clamping jaw 20 in type clamp body are tightened simultaneously, and sand control filtration members 10 are clamped in V-type recess, at this time upper folder
Installed on pawl 16 and lower clamping jaw 20 four conical idler wheels 17 and the driven wheel 19 being installed on clamp rail 18 with it is anti-
Sand filtration members 10 are in contact.
4) positioning clamp be installed on U-shaped folder it is specific in sand control filtration members 10.The U-shaped folder of sand control filtration members 10 will be clamped with
It is specific to be fed along the direction vertical with 11 axis of main shaft, so that sand control filtration members 10 and front end face tool are positioned there are three cylindrical
The main shaft 11 of boss is concentric, and the thimble 8 with a boss is slowly fed along the axis direction of main shaft 11 at this time, by sand control mistake
Part 10 is filtered to clamp.Then, it is slowly rotated the main shaft 11 clamped by scroll chuck 12, Photoelectric Detection component 13 is to main shaft 11
Corner be monitored, control main shaft rotation angle cannot be greater than 60 °；Meanwhile friction pulley 7 is in the effect of friction wheel support 3
Lower edge is fed perpendicular to the direction of 11 axis of main shaft, and being rotated by motor 6, to drive 10 turns of sand control filtration members
It is dynamic, so that the equal cloth hole on 10 surface of sand control filtration members is aligned clamping with the positioning convex platform on 11 front end face of main shaft.
5) the external screw thread processing of sand control filtration members 10.Release U-shaped folder is specific, and sand control filtration members 10 are by 12 institute of scroll chuck
Rotated under the drive of the main shaft 11 of clamping, installed on knife rest 15 by more handles (more than 3) back engagement of the cutting edge lathe tool incremented by successively
The toolbox 14 of composition starts radially, axially to feed with the movement of lead screw platform 1, and the surface spiral shell of turning sand control filtration members 10
Line, as shown in Figure 6.
Claims (5)
1. a kind of sand control filtration members automatic charging processing unit (plant), which is characterized in that including：
Lead screw transmission platform；
The frictional wheel drive system being installed on lead screw transmission platform, the frictional wheel drive system is with lead screw transmission platform along silk
Thick stick axial movement；
It is specific along the U-shaped folder perpendicular to the installation of lead screw transmission platform lead screw axis direction；The U-shaped folder specifically includes symmetrical configuration
Upper gripper jaw (16) and lower clamping jaw (20), in open at one end U-shaped after the upper gripper jaw (16) and lower clamping jaw (20) installation
Structure is equipped with clamp rail (18) on the outside of its closed end, and driven wheel (19) are equipped on the inside of its closed end, are being leaned on
It is embedded respectively on the upper gripper jaw (16) and lower clamping jaw (20) of its nearly open end and conical idler wheel (17) is installed；
Along the positioning clamping for being parallel to the installation of lead screw transmission platform lead screw axis direction；The positioning clamping includes master
Axis (11), Photoelectric Detection component (13), scroll chuck (12) and thimble (8), the main shaft (11) pass perpendicularly through Photoelectric Detection portion
The center of part (13), the scroll chuck (12) are clamped in main shaft (11) tail end, and the front end face of the main shaft (11) has three
A cylinder positioning convex platform；The thimble (8) and main shaft (11) coaxially, and the front end face center of face main shaft (11), with main shaft
(11) end face center of the opposite thimble of front end face (8) also has a boss；
The turning transmission system being installed on lead screw transmission platform, the cutter in the turning transmission system is with lead screw transmission platform
In lead screw do axial feed.
2. a kind of sand control filtration members automatic charging processing unit (plant) according to claim 1, which is characterized in that the lead screw passes
Moving platform includes lead screw platform (1), the lead screw (4) being mounted among lead screw platform (1) lower surface, and is parallel to lead screw (4)
Axisymmetrical is mounted on a pair of of feed rod (5) of lead screw platform (1) lower surface.
3. a kind of sand control filtration members automatic charging processing unit (plant) according to claim 1, which is characterized in that the friction pulley
Transmission system includes the axial guidance (2) being installed on lead screw transmission platform, the friction wheel support being mounted on axial guidance (2)
(3), the friction pulley (7) being mounted on friction wheel support (3), and the motor (6) of driving friction pulley (7) rotation.
4. a kind of sand control filtration members automatic charging processing unit (plant) according to claim 1, which is characterized in that the upper gripper jaw
(16) having on two opposite faces and after lower clamping jaw (20) installation is in symmetrical V-type recess.
5. a kind of sand control filtration members automatic charging processing unit (plant) according to claim 1, which is characterized in that the turning passes
Dynamic system includes knife rest (15) and the toolbox (14) being mounted on knife rest (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610826533.4A CN106346089B (en) | 2016-09-14 | 2016-09-14 | A kind of sand control filtration members automatic charging processing unit (plant) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610826533.4A CN106346089B (en) | 2016-09-14 | 2016-09-14 | A kind of sand control filtration members automatic charging processing unit (plant) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106346089A CN106346089A (en) | 2017-01-25 |
| CN106346089B true CN106346089B (en) | 2018-11-23 |
Family
ID=57857991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610826533.4A Expired - Fee Related CN106346089B (en) | 2016-09-14 | 2016-09-14 | A kind of sand control filtration members automatic charging processing unit (plant) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106346089B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106964787A (en) * | 2017-05-26 | 2017-07-21 | 苏州市品正电子设备有限公司 | A kind of disc brake sheet installation position turning machine of electric bicycle drive wheel |
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|---|---|---|---|---|
| US4061062A (en) * | 1976-01-29 | 1977-12-06 | Moteurs Leroy-Somer | Method and a device for the automatic replacement of a workpiece to be machined on a machine-tool |
| US4065988A (en) * | 1972-12-04 | 1978-01-03 | Kearney & Trecker Corporation | Unitary work changer for a machining center |
| CN2892362Y (en) * | 2006-02-24 | 2007-04-25 | 富豪机电股份有限公司 | Pulling-in apparatus of bar feeding machine |
| CN201208650Y (en) * | 2008-05-21 | 2009-03-18 | 庄添财 | Plastic pipe turning-machine |
| CN201711800U (en) * | 2009-05-15 | 2011-01-19 | 株式会社森精机制作所 | Workpiece replacing device for machine tool |
| CN203044905U (en) * | 2013-01-05 | 2013-07-10 | 亿缙机械(嘉兴)有限公司 | Material clamping device |
| CN203156437U (en) * | 2013-04-18 | 2013-08-28 | 湖北广达机床有限公司 | Material pipe device of oil film type automatic bar feeder |
| CN203170977U (en) * | 2013-03-27 | 2013-09-04 | 泉州市亿源工程机械有限公司 | Full-automatic digital controlled lathe |
| CN103600094A (en) * | 2013-10-29 | 2014-02-26 | 格林精密部件(苏州)有限公司 | Automatic feeding device for valve sleeve turning |
-
2016
- 2016-09-14 CN CN201610826533.4A patent/CN106346089B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4065988A (en) * | 1972-12-04 | 1978-01-03 | Kearney & Trecker Corporation | Unitary work changer for a machining center |
| US4061062A (en) * | 1976-01-29 | 1977-12-06 | Moteurs Leroy-Somer | Method and a device for the automatic replacement of a workpiece to be machined on a machine-tool |
| CN2892362Y (en) * | 2006-02-24 | 2007-04-25 | 富豪机电股份有限公司 | Pulling-in apparatus of bar feeding machine |
| CN201208650Y (en) * | 2008-05-21 | 2009-03-18 | 庄添财 | Plastic pipe turning-machine |
| CN201711800U (en) * | 2009-05-15 | 2011-01-19 | 株式会社森精机制作所 | Workpiece replacing device for machine tool |
| CN203044905U (en) * | 2013-01-05 | 2013-07-10 | 亿缙机械(嘉兴)有限公司 | Material clamping device |
| CN203170977U (en) * | 2013-03-27 | 2013-09-04 | 泉州市亿源工程机械有限公司 | Full-automatic digital controlled lathe |
| CN203156437U (en) * | 2013-04-18 | 2013-08-28 | 湖北广达机床有限公司 | Material pipe device of oil film type automatic bar feeder |
| CN103600094A (en) * | 2013-10-29 | 2014-02-26 | 格林精密部件(苏州)有限公司 | Automatic feeding device for valve sleeve turning |
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| Publication number | Publication date |
|---|---|
| CN106346089A (en) | 2017-01-25 |
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