CN109454458A - Against shock oblique-feeding Universal rotary processing unit (plant) - Google Patents
Against shock oblique-feeding Universal rotary processing unit (plant) Download PDFInfo
- Publication number
- CN109454458A CN109454458A CN201811603988.5A CN201811603988A CN109454458A CN 109454458 A CN109454458 A CN 109454458A CN 201811603988 A CN201811603988 A CN 201811603988A CN 109454458 A CN109454458 A CN 109454458A
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- Prior art keywords
- column
- oblique
- against shock
- plant
- processing unit
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a kind of against shock oblique-feeding Universal rotary processing unit (plant)s, it includes pedestal, column is equipped with above pedestal, pedestal is connect with column by against shock device, the against shock device includes the fixing seat connecting with pedestal, it further include the fixation frame plate for being located at column bottom, fixing seat is connect with fixed frame plate；Column side is equipped with sliding block, and the sliding block is equipped with oblique-feeding positioning device.Small volume of the present invention is easy to carry, it is convenient for disassembly and assembly, easy to repair and replacement, tilted direction feed drilling can be carried out on 360 ° of directions, meet bore hole construction demand on circular hole wall or tilted direction, and precision is higher, it can effectively prevent milling machine upright simultaneously and milling drill-through journey generation vibration, it avoids the connecting screw of pedestal and column from loosening vulnerable to vibration, connects milling machine base with column more firm, and then improve milling machine milling and bore machining accuracy.
Description
Technical field
The present invention relates to a kind of milling machine, especially a kind of against shock oblique-feeding Universal rotary processing unit (plant).
Background technique
Milling machine is the height that lathe yield is only second in the essential common apparatus of machine industry and machine industry
Product kind lathe.Existing milling machine is mainly horizontal or vertical structure, is not only had a single function, but also bed volume is larger, milling head
It is limited to process stroke, part cannot be milled on the same device, boring, the processing such as brill, and existing milling machine is difficult to pair
The inclined-plane of workpiece is processed, so the processing for irregular part, generally requires in multiple clamping or in a variety of lathes
Upper to be just able to achieve, some there is provision of dedicated moulds of industrial equipment, and some is even just achievable on special purpose machine tool, not only operate
Cumbersome, processing efficiency is lower, and production cost is also higher.Existing milling machine was being processed since milling head is difficult to dismount
Cheng Zhong often shuts down because of milling head damage and repairs.Therefore, that there are volumes is larger for existing milling machine, has a single function, process operation
It is cumbersome, and milling head is difficult to dismount, processing and the lower disadvantage of maintenance efficiency.
Inventor has invented such as in actual job and production process: " the portable universal milling machine of three axis rotational positioning ", " magnetic
The small-sized portable universal milling of a batch such as the universal milling machine of power formula back stay position rotating ", " seizing the universal milling machine of position rotating "
Bed, but inventor has found the milling brill of milling head again there is also certain limitation in direction in subsequent use, especially in interior circular hole
When needing bore hole on wall or tilted direction, conventional milling machine can not drill along tilted direction axial feed, tilted direction drilling operation phase
When cumbersome, there are biggish construction limitations；And after the pedestal and column assembly connection of milling machine, when in use since drill bit is milling
The bolt looseness that vibration easily leads to connection pedestal and column is generated during boring, and assembles column and pedestal unstable, and then influence
Machining accuracy is bored in milling.
Therefore, there are milling head connection type limitation is larger in the use process of universal milling machine at present, it is difficult to carry out oblique
Direction feed drilling construction, the problem of constructing operation complexity cause milling machine to use difficult；There is also the connection spiral shells of pedestal and column
Silk is loosened vulnerable to vibration, causes column and pedestal to assemble unstable, the not high problem of machining accuracy is bored in milling machine milling.
Summary of the invention
The object of the present invention is to provide a kind of against shock oblique-feeding Universal rotary processing unit (plant)s.Volume of the present invention compared with
Small easy to carry, convenient for disassembly and assembly, easy to repair and replacement can carry out tilted direction feed drilling on 360 ° of directions, meet circular hole
Bore hole construction demand on wall or tilted direction, and precision is higher, while can effectively prevent milling machine upright and milling drill-through journey generation shake
It is dynamic, it avoids the connecting screw of pedestal and column from loosening vulnerable to vibration, connects milling machine base with column more firm, and then improve
Machining accuracy is bored in milling machine milling.
Technical solution of the present invention: against shock oblique-feeding Universal rotary processing unit (plant), including pedestal, pedestal top are equipped with
Column, pedestal are connect with column by against shock device, and the against shock device includes the fixing seat connecting with pedestal, further include
It is located at the fixation frame plate of column bottom, fixing seat is connect with fixed frame plate；Column side is equipped with sliding block, and the sliding block is equipped with oblique
To feed positioning device, the oblique-feeding positioning device includes location and installation chassis and the guiding that connect with location and installation chassis
Device；The guiding device includes the rotary steering plate being located above location and installation chassis, and rotary steering plate connects equipped with feed
Block is connect, is connect above feed link block with milling head；T-type slide bolt is equipped in the location and installation chassis, rotary steering plate is logical
T-type slide bolt is crossed to connect with location and installation chassis；Rotary steering plate upper surface is equipped with dovetail guide pad C, feed connection
Block lower surface is equipped with dovetail groove C corresponding with dovetail guide pad C-shape, and feed link block passes through dovetail groove C and dovetail guide pad C
Matching installation be flexibly connected with rotary steering plate.
It is sliding that bolt is equipped in against shock oblique-feeding Universal rotary processing unit (plant) above-mentioned, in the location and installation chassis
Slot, bolt sliding slot bottom are equipped with bolt installing port, and the T-type slide bolt is located in bolt sliding slot, in location and installation chassis also
Equipped with one group of screw mounting hole, it is uniformly provided with four positioning grooves on the lateral wall eaves of location and installation chassis, outside location and installation chassis
Wall is equipped with scale.
In against shock oblique-feeding Universal rotary processing unit (plant) above-mentioned, set that there are four positioning below the rotary steering plate
Knuckling, positions the aligned in position of knuckling and positioning groove, and the positioning knuckling radius is less than or equal to positioning groove radius.
In against shock oblique-feeding Universal rotary processing unit (plant) above-mentioned, screw rod column is equipped in the rotary steering plate, into
Knife link block bottom is equipped with the threaded block being correspondingly connected with screw rod male screw.
In against shock oblique-feeding Universal rotary processing unit (plant) above-mentioned, the milling head includes rotating electric machine, rotating electric machine
Lower section is equipped with milling cutter installing port.
In against shock oblique-feeding Universal rotary processing unit (plant) above-mentioned, dovetail mounting groove, column are equipped in the column
Side is equipped with lift shaft, and lift shaft one end is equipped with spanner jack, and column side is additionally provided with motor switch, and motor switch passes through
Conducting wire is connect with milling head, and handle is located above motor switch.
In against shock oblique-feeding Universal rotary processing unit (plant) above-mentioned, the sliding block side is equipped with dovetail mounting blocks and tooth
Item, the sliding block other side are equipped with mounting surface, and the mounting surface is equipped with locating convex block, and locating convex block is equipped with installation screw.
In against shock oblique-feeding Universal rotary processing unit (plant) above-mentioned, the dovetail mounting groove is installed block-shaped with dovetail
It is corresponding.
In against shock oblique-feeding Universal rotary processing unit (plant) above-mentioned, X-axis screw rod feed arrangement is equipped in the pedestal,
Y-axis screw rod feed arrangement is equipped with above X-axis screw rod feed arrangement, the X-axis screw rod feed arrangement and Y-axis screw rod feed arrangement hang down
Straight setting.
In against shock oblique-feeding Universal rotary processing unit (plant) above-mentioned, the fixing seat includes connecting plate, on connecting plate
Equipped with screw hole, one end of the connection board is equipped with raised block；The connecting plate other end is equipped with upper frame, and upper frame is equipped with mandril bolt；It is described
Fixed frame plate is located between raised block and upper frame to be held out against by mandril bolt, and fixed frame plate is connect by screw with fixing seat.
Compared with prior art, the invention has the following advantages that
The present invention connects column and milling head with guiding device using location and installation chassis by setting oblique-feeding positioning device；
Positioning disk with milling machine upright for connecting, and the feed link block of guiding device with milling head for connecting, by the way that location and installation is arranged
Chassis connects location and installation chassis and rotary steering plate by T-type slide bolt, rotary steering plate is made to can produce relative rotation, revolves
The relative rotation for turning guide plate can be used for the machine direction that 360 degree rotation adjusts milling head, by uniform on location and installation chassis
Four positioning grooves are set, while being uniformly arranged four positioning knucklings in rotary steering plate corresponding position, it is sharp during rotation
Quickly positioning is realized with positioning groove and positioning knuckling cooperation；Pass through the side being coupled using dovetail guide pad C and dovetail groove C
Formula is oriented to for the movement of connection sliding block, and as drive in such a way that screw rod column and threaded block screw thread are correspondingly connected with
Mobile means, rotary screw rod column when mobile are moved, threaded block can be generated opposite movement by the screw thread of screw rod column, not only be pacified
It is convenient to fill, and shift motion is stablized, and is not susceptible to shake, and simplifies the operation of the mobile feed of connection sliding block.
The present invention can effectively prevent milling machine upright and mill drill-through journey generation vibration, avoid the connecting screw of pedestal and column easy
It is loosened by vibration, connects milling machine base with column more firm；The present invention is kept off by setting mandril bolt by upper frame and protrusion
Plate buffers fixed frame board clamping to vibration, to achieve the effect that prevent column from shaking, and then avoids pedestal and column
Connecting screw vulnerable to vibration loosen, make milling machine base connect with column more consolidate.
In conclusion small volume of the present invention is easy to carry, convenient for disassembly and assembly, easy to repair and replacement can be in 360 ° of directions
Upper progress tilted direction feed drilling meets bore hole construction demand on circular hole wall or tilted direction, and precision is higher, while can be effective
It prevents milling machine upright from milling drill-through journey generation vibration, avoids the connecting screw of pedestal and column from loosening vulnerable to vibration, make milling machine bottom
Seat is connected with column more to be consolidated, and then is improved milling machine milling and bored machining accuracy.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of oblique-feeding positioning device；
Fig. 3 is the decomposition texture schematic diagram of oblique-feeding positioning device；
Fig. 4 is the structural schematic diagram of sliding block；
Fig. 5 is the right view of sliding block；
Fig. 6 is the structural schematic diagram that column and sliding block are coupled；
Fig. 7 is the structural schematic diagram of against shock device.
The label in accompanying drawing is: 1- pedestal, 2- column, 3- fixing seat, the fixed frame plate of 4-, 5- sliding block, 6- location and installation bottom
Disk, 7- rotary steering plate, 8- feed link block, 9- connecting plate, 10- upper frame, 11- mandril bolt.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to
According to.
Embodiment.Against shock oblique-feeding Universal rotary processing unit (plant), as shown in Figures 1 to 7, including pedestal 1, pedestal 1
Top is equipped with column 2, and pedestal 1 is connect with column 2 by against shock device, and the against shock device includes connecting with pedestal 1
Fixing seat 3, further includes the fixation frame plate 4 for being located at 2 bottom of column, and fixing seat 3 is connect with fixed frame plate 4；2 side of column, which is equipped with, to be slided
Block 5, the sliding block 5 be equipped with oblique-feeding positioning device, the oblique-feeding positioning device include location and installation chassis 6 and with
The guiding device that location and installation chassis 6 connects；The guiding device includes the rotary steering plate for being located at 6 top of location and installation chassis
7, rotary steering plate 7 is equipped with feed link block 8, and 8 top of feed link block is connect with milling head；In the location and installation chassis 6
Equipped with T-type slide bolt, rotary steering plate 7 is connect by T-type slide bolt with location and installation chassis 6；The rotary steering plate 7
Upper surface is equipped with dovetail guide pad C, and 8 lower surface of feed link block is equipped with dovetail groove C corresponding with dovetail guide pad C-shape, into
Knife link block 8 is flexibly connected by the Matching installation of dovetail groove C and dovetail guide pad C with rotary steering plate 7.
Bolt sliding slot is equipped in the location and installation chassis 6, bolt sliding slot bottom is equipped with bolt installing port, and the T-type is sliding
Dynamic bolt is located in bolt sliding slot, and one group of screw mounting hole, 6 lateral wall of location and installation chassis are additionally provided in location and installation chassis 6
Four positioning grooves are uniformly provided on eaves, 6 outer wall of location and installation chassis is equipped with scale；It is equipped with below the rotary steering plate 7
Four positioning knucklings, position the aligned in position of knuckling and positioning groove, and the positioning knuckling radius is less than or equal to positioning groove half
Diameter；Screw rod column is equipped in the rotary steering plate 7,8 bottom of feed link block is equipped with the screw thread being correspondingly connected with screw rod male screw
Block.
The milling head includes rotating electric machine, is equipped with milling cutter installing port below rotating electric machine；Dovetail is equipped in the column 2 to pacify
Tankage, 2 side of column are equipped with lift shaft, and lift shaft one end is equipped with spanner jack, and 2 side of column is additionally provided with motor switch,
Motor switch is connect by conducting wire with milling head, and handle is located above motor switch；5 side of sliding block be equipped with dovetail mounting blocks and
Rack gear, 5 other side of sliding block are equipped with mounting surface, and the mounting surface is equipped with locating convex block, and locating convex block is equipped with installation screw；Institute
It states dovetail mounting groove and dovetail installation is block-shaped corresponding；X-axis screw rod feed arrangement, X-axis screw rod feed are equipped in the pedestal 1
Y-axis screw rod feed arrangement is equipped with above device, the X-axis screw rod feed arrangement and Y-axis screw rod feed arrangement are vertically arranged；It is described
Fixing seat 3 includes connecting plate 9, and connecting plate 9 is equipped with screw hole, and 9 one end of connecting plate is equipped with raised block；9 other end of connecting plate is set
There is upper frame 10, upper frame 10 is equipped with mandril bolt 11；The fixed frame plate 4 is located between raised block and upper frame 10 by mandril spiral shell
Bolt 11 is held out against, and fixed frame plate 4 is connect by screw with fixing seat 3.
Working principle: in the use of the present invention, selecting the milling cutter of corresponding size according to the workpiece processed, and corresponding power
Milling head, milling cutter is installed in the milling cutter installing port to milling head；By dovetail mounting blocks and dovetail mounting groove aligned in position, make to slide
Block is inserted into column, and wrenching bar is inserted into spanner jack, mobile with the rack gear on movable slider by rotating lift shaft, is adjusted
Save slide position；Column and milling head are connected with guiding device by setting location and installation chassis；Positioning disk is used for and milling machine upright
Connection, the feed link block of guiding device, by the way that location and installation chassis is arranged, are connected for connecting with milling head by T-type slide bolt
Location and installation chassis and rotary steering plate are connect, so that rotary steering plate is can produce relative rotation, the relative rotation of rotary steering plate can
The machine direction of milling head is adjusted for 360 degree rotation, by being uniformly arranged four positioning grooves on location and installation chassis, simultaneously
Four positioning knucklings are uniformly arranged in rotary steering plate corresponding position, are matched during rotation using positioning groove and positioning knuckling
It closes and realizes quickly positioning；In such a way that dovetail guide pad C and dovetail groove C are coupled, be connection sliding block movement into
Row guiding, and mobile as driving means in such a way that screw rod column and threaded block screw thread are correspondingly connected with, turn when mobile
Dynamic screw rod column, threaded block can generate opposite movement by the screw thread of screw rod column, realize milling in the way of screw rod movement
Head tilted direction axial feed drilling, feed scale can be rotated by artificial screw rod column makes threaded block screw thread generate corresponding displacement to control
System；By the way that mandril bolt is arranged, by upper frame and raised baffle by fixed frame board clamping, vibration is buffered, to reach anti-
The only effect of column vibration, and then the connecting screw of pedestal and column is avoided to loosen vulnerable to vibration, connect milling machine base and column
It connects more firm；It is installed afterwards according to the position of required workpieces processing, selects installation site of the invention, pedestal is fixed
Afterwards, power on, turn on the switch, by the rotation direction and velocity of rotation that adjust milling cutter in motor switch；It is closed after the completion of adjusting
Power supply is closed, and adjusts the angle of milling head according to processed workpiece shapes, and is filled by X-axis screw rod feed arrangement, Y-axis screw rod feed
It sets device and lift shaft and adjusts milling head position in X-axis, Y-axis and Z-direction respectively；Opening power supply after the completion of adjusting can be right
Quickly workpiece is processed.
Claims (10)
1. against shock oblique-feeding Universal rotary processing unit (plant), it is characterised in that: including pedestal (1), be equipped with above pedestal (1) vertical
Column (2), pedestal (1) are connect with column (2) by against shock device, and the against shock device includes consolidating with what pedestal (1) was connect
Reservation (3), further includes the fixation frame plate (4) for being located at column (2) bottom, and fixing seat (3) is connect with fixed frame plate (4)；Column (2)
Side is equipped with sliding block (5), and the sliding block (5) is equipped with oblique-feeding positioning device, and the oblique-feeding positioning device includes fixed
Position installation chassis (6) and the guiding device that connect with location and installation chassis (6)；The guiding device includes being located at location and installation bottom
Rotary steering plate (7) above disk (6), rotary steering plate (7) are equipped with feed link block (8), above feed link block (8) with
Milling head connection；Be equipped with T-type slide bolt in the location and installation chassis (6), rotary steering plate (7) by T-type slide bolt with
Location and installation chassis (6) connection；Rotary steering plate (7) upper surface is equipped with dovetail guide pad C, feed link block (8) following table
Face is equipped with dovetail groove C corresponding with dovetail guide pad C-shape, and feed link block (8) passes through dovetail groove C's and dovetail guide pad C
Matching installation is flexibly connected with rotary steering plate (7).
2. against shock oblique-feeding Universal rotary processing unit (plant) according to claim 1, it is characterised in that: the positioning peace
Bolt sliding slot is equipped in cartridge chassis (6), bolt sliding slot bottom is equipped with bolt installing port, and it is sliding that the T-type slide bolt is located at bolt
In slot, it is additionally provided with one group of screw mounting hole in location and installation chassis (6), is uniformly provided on location and installation chassis (6) lateral wall eaves
Four positioning grooves, location and installation chassis (6) outer wall are equipped with scale.
3. against shock oblique-feeding Universal rotary processing unit (plant) according to claim 1, it is characterised in that: the rotation is led
It is set below to plate (7) there are four knuckling is positioned, positions the aligned in position of knuckling and positioning groove, the positioning knuckling radius is less than
Equal to positioning groove radius.
4. against shock oblique-feeding Universal rotary processing unit (plant) according to claim 1, it is characterised in that: the rotation is led
Screw rod column is equipped with into plate (7), feed link block (8) bottom is equipped with the threaded block being correspondingly connected with screw rod male screw.
5. against shock oblique-feeding Universal rotary processing unit (plant) according to claim 1, it is characterised in that: the milling head packet
Rotating electric machine is included, is equipped with milling cutter installing port below rotating electric machine.
6. against shock oblique-feeding Universal rotary processing unit (plant) according to claim 1, it is characterised in that: the column
(2) dovetail mounting groove is equipped in, column (2) side is equipped with lift shaft, and lift shaft one end is equipped with spanner jack, column (2)
Side is additionally provided with motor switch, and motor switch is connect by conducting wire with milling head, and handle is located above motor switch.
7. against shock oblique-feeding Universal rotary processing unit (plant) according to claim 6, it is characterised in that: the sliding block
(5) side is equipped with dovetail mounting blocks and rack gear, and sliding block (5) other side is equipped with mounting surface, and the mounting surface is equipped with locating convex block,
Locating convex block is equipped with installation screw.
8. against shock oblique-feeding Universal rotary processing unit (plant) according to claim 7, it is characterised in that: the dovetail peace
Tankage is installed block-shaped corresponding with dovetail.
9. against shock oblique-feeding Universal rotary processing unit (plant) according to claim 1, it is characterised in that: the pedestal
(1) be equipped with X-axis screw rod feed arrangement in, be equipped with Y-axis screw rod feed arrangement above X-axis screw rod feed arrangement, the X-axis screw rod into
Knife system and Y-axis screw rod feed arrangement are vertically arranged.
10. against shock oblique-feeding Universal rotary processing unit (plant) according to claim 1, it is characterised in that: the fixation
Seat (3) includes connecting plate (9), and connecting plate (9) is equipped with screw hole, and connecting plate (9) one end is equipped with raised block；Connecting plate (9) is another
One end is equipped with upper frame (10), and upper frame (10) is equipped with mandril bolt (11)；The fixed frame plate (4) is located at raised block and upper frame
(10) it is held out against between by mandril bolt (11), fixed frame plate (4) are connect by screw with fixing seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811603988.5A CN109454458A (en) | 2018-12-26 | 2018-12-26 | Against shock oblique-feeding Universal rotary processing unit (plant) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811603988.5A CN109454458A (en) | 2018-12-26 | 2018-12-26 | Against shock oblique-feeding Universal rotary processing unit (plant) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109454458A true CN109454458A (en) | 2019-03-12 |
Family
ID=65614793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811603988.5A Withdrawn CN109454458A (en) | 2018-12-26 | 2018-12-26 | Against shock oblique-feeding Universal rotary processing unit (plant) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109454458A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113070947A (en) * | 2021-04-23 | 2021-07-06 | 豪伟实业(湖北)有限公司 | Angle-adjustable pre-milling mechanism |
-
2018
- 2018-12-26 CN CN201811603988.5A patent/CN109454458A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113070947A (en) * | 2021-04-23 | 2021-07-06 | 豪伟实业(湖北)有限公司 | Angle-adjustable pre-milling mechanism |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190312 |
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| WW01 | Invention patent application withdrawn after publication |