CN108274219A - A kind of Combined machining device - Google Patents
A kind of Combined machining device Download PDFInfo
- Publication number
- CN108274219A CN108274219A CN201810136449.9A CN201810136449A CN108274219A CN 108274219 A CN108274219 A CN 108274219A CN 201810136449 A CN201810136449 A CN 201810136449A CN 108274219 A CN108274219 A CN 108274219A
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- China
- Prior art keywords
- space
- fixedly connected
- rotation
- sealing
- motor
- 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.)
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Classifications
-
- 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
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0869—Devices involving movement of the laser head in at least one axial direction
- B23K26/0876—Devices involving movement of the laser head in at least one axial direction in at least two axial directions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam welding
- B23K26/28—Seam welding of curved planar seams
Abstract
The invention discloses a kind of Combined machining devices, including fixed bottom plate and cylindricality babinet, the cylindricality box house is provided with a processing space, the upper end of the processing space is provided with a scratch diskette, left side inside the scratch diskette is provided with a rotation space, one second motor is fixedly connected in the rotation space upper end wall, the rotation hole is fixedly connected with a third shaft by its internal bearing rotary type, the lower end of the third shaft is fixedly connected with a weld seam control device, weld seam control device lower end is provided with a laser emitter, it is fixedly connected with a hydraulic cylinder on the right side of the scratch diskette lower face, the hydraulic cylinder is internally provided with a sealing space, the sealing space is internally provided with a hydraulic plate.In present invention work, the processing of different product is can adapt to, press-fitting and welding complete processing all on a fixture, reduce the mismachining tolerance between different fixtures, improve Product Precision, save working hour, saved processing cost.
Description
Technical field
The present invention relates to Gear Processing field, specially a kind of Combined machining device.
Background technology
Currently, vehicle is more and more used by people, and the importance shared by auto parts middle gear is self-evident, becomes
Fast case, engine interior major part be exactly gear, and input end gear is usually to be matched to be combined by gear and ring gear,
There is step in gear upper end, and for being set with ring gear, and the connection of gear and ring gear is generally taper interference fit, manually
Ring gear can be sleeved on to step upper end, but can not be completely nested, it is also necessary to could be used by press-fitting and welding, at present city
All it is that first then press-fitting is welded on field, is divided into two procedures, using different fixtures, mismachining tolerance is larger, moreover, after press-fitting not
Welding gets rusty easily in time, wastes product, increases processing cost.
Invention content
The purpose of the present invention is to provide a kind of Combined machining devices, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides the following technical solutions：A kind of Combined machining device, including fixed bottom plate and
Cylindricality babinet, the cylindricality babinet are fixedly connected on the center position of fixed bottom plate upper surface, and the cylindricality box house is set
It is equipped with a processing space, the lower end of the processing space right end wall is provided with a plug-type protective door, the processing space lower end
A hydraulically operated fixture is provided on the right side of face, the upper end of the processing space is provided with a scratch diskette, the processing space upper surface
Center position be provided with a motor slot, the upper surface of the motor slot is fixedly installed a first motor, first electricity
Machine lower end is provided with a first rotating shaft, and the lower end of the first rotating shaft is pierced by motor slot and is fixedly connected on scratch diskette upper surface
The upper and lower ends of center position, the scratch diskette cylindroid are symmetrically arranged with an annular brace slot, the working space cylindricality
The upper end of inner wall is both provided with an annular backup pad, the inner end of the annular backup pad at position corresponding with annular brace slot
Portion is respectively positioned in annular brace slot, and the left side inside the scratch diskette is provided with a rotation space, the rotation space lower end wall
Center position be provided with a rotation hole, the rotation hole connection rotation space and working space, the rotation space upper end
One second motor is fixedly connected on wall, the rotation hole is fixedly connected with a third by its internal bearing rotary type and turns
The upper end of axis, the third shaft is located in rotation space and is connect with the second motor power, the lower end position of the third shaft
In in processing space and being fixedly connected with a weld seam control device, weld seam control device lower end is provided with a Laser emission
Device is fixedly connected with a hydraulic cylinder on the right side of the scratch diskette lower face, and the hydraulic cylinder is internally provided with a sealing space, institute
It states sealing space and is internally provided with a hydraulic plate, the center position of the hydraulic plate lower face is fixedly connected with a connection light
Bar, the connection polished rod lower end pass through the lower end wall of sealing space and are fixedly connected with a lower platen, the hydraulic cylinder left side
Upper and lower ends be respectively arranged with upper connector and lower connector, the middle position of the hydraulic cylinder left side passes through a connection
Block is fixedly connected with a two-way hydraulic pump, and the left end of the upper connector extends downwardly and is fixedly connected on the upper of bidirectional hydraulic pump
End, the left end of the lower connector upwardly extend and are fixedly connected on the lower end of bidirectional hydraulic pump, the upper connector and lower company
The inside taken over is respectively arranged with connecting hole and lower connecting hole on one, and the upper connecting hole is connected in bidirectional hydraulic pump and hydraulic plate
The sealing space at end, the sealing space of lower connecting hole connection the bidirectional hydraulic pump and hydraulic plate lower end, and the upper connecting hole
It is both provided with a solenoid valve with inside lower connecting hole.
Preferably, the weld seam control device includes spill spin block, the middle position of the spill spin block upper surface and the
The lower end of three shafts is fixedly connected, and the lower face of the spill spin block is provided with a sliding groove, is set in the left end wall of the sliding groove
It is equipped with a transmission space, a third motor is fixedly connected on the left end wall of the transmission space, is provided in the sliding groove
One connection wire rod, the right end of the connection wire rod and the right end wall of sliding groove are rotatablely connected, and the left end of the connection wire rod passes through
It the right end wall of transmission space and is connect with third motor power, a sliding shoe that can be horizontally slipped is provided in the sliding groove,
Upside inside the sliding shoe is provided with a threaded hole, and the connection wire rod passes through threaded hole and is connected with threaded hole,
The sliding shoe lower end is pierced by sliding groove and is fixedly connected with the upper surface of laser emitter.
Preferably, the left and right ends of the hydraulic plate cylindroid are symmetrically arranged with a sealing guide groove, the sealing is led
A sealing guide pad is both provided with inside to slot, on the wall of the sealing space left and right ends at position corresponding with sealing guide pad
It is both provided with a guide slide, the sealing guide pad can slide up and down in guide slide.
Compared with prior art, the beneficial effects of the invention are as follows：In present invention work, according to the diameter of welded circular weld
Size, the work of third motor, connection wire rod rotation drive sliding shoe movement, make to swash by the cooperation of connection wire rod and threaded hole
Optical transmitting set deviates the rotation center of third shaft, until laser emitter and the distance of shaft centers of third shaft are equal to circular weld
Radius can adapt to the processing of different product, after the completion of debugging, opens protective door, gear is fastened by hydraulically operated fixture,
Ring gear is sleeved on the step of gear, closing protective door, bidirectional hydraulic pump work, under the cooperation of solenoid valve, hydraulic plate
Lower platen is driven to move down by connecting polished rod, lower platen squeezes ring gear, and ring gear is made completely to be sleeved on the step of gear
On, wherein by sealing the cooperation of guide pad and guide slide, the rotation of hydraulic plate is limited, is reduced not true during being press-fitted
Determine factor, after the completion of press-fitting, bidirectional hydraulic pumps reverse operation, and hydraulic plate drives lower platen to return to original position by connecting polished rod, the
One motor works, and scratch diskette rotation, the center line of the axle center alignment workpiece of third shaft, Laser emission are driven by first rotating shaft
Device is aligned circular weld, and the work of the second motor, the rotation of third shaft, laser emitter moves in a circle, to make laser focus
Point is continuously fallen on the circular weld of workpiece, completes the annular solder of circular weld, and press-fitting and welding are all complete on a fixture
At processing, the mismachining tolerance between different fixtures is reduced, improves Product Precision, working hour is saved, has saved processing cost.
Description of the drawings
Fig. 1 is a kind of main structure diagram of the whole complete section of Combined machining device of the present invention；
Fig. 2 is the main structure diagram of weld seam control device complete section in a kind of Combined machining device of the present invention；
Fig. 3 is the left view structural representation of weld seam control device complete section in a kind of Combined machining device of the present invention；
Fig. 4 is the main structure diagram of hydraulic plate complete section in a kind of Combined machining device of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1-Fig. 4, a kind of embodiment provided by the invention：A kind of Combined machining device, including 1 He of fixed bottom plate
Cylindricality babinet 2, the cylindricality babinet 2 are fixedly connected on the center position of 1 upper surface of fixed bottom plate, in the cylindricality babinet 2
Portion is provided with a processing space 3, and the lower end of 3 right end wall of the processing space is provided with a plug-type protective door 4, and the processing is empty
Between be provided with a hydraulically operated fixture 5 on the right side of 3 lower faces, the upper end of the processing space 3 is provided with a scratch diskette 6, the processing
The center position of 3 upper surface of space is provided with a motor slot 7, and the upper surface of the motor slot 7 is fixedly installed one first electricity
Machine 8,8 lower end of the first motor are provided with a first rotating shaft 9, and the lower end of the first rotating shaft 9 is pierced by motor slot 7 and fixed company
It is connected on the center position of 6 upper surface of scratch diskette, the upper and lower ends of 6 cylindroid of the scratch diskette are symmetrically arranged with an annular brace
Slot 10 is both provided with an annular brace at the upper end position corresponding with annular brace slot 10 of 3 cylindrical inner wall of the working space
The medial end of plate 11, the annular backup pad 10 is respectively positioned in annular brace slot 10, the left side setting inside the scratch diskette 6
There are a rotation space 12, the center position of 12 lower end wall of the rotation space to be provided with a rotation hole 13, the rotation hole 13
It is connected to rotation space 12 and working space 3, is fixedly connected with one second motor 14 in 12 upper end wall of the rotation space, described turn
Dynamic hole 13 is fixedly connected with a third shaft 16, the upper end position of the third shaft 16 by its internal 15 rotary type of bearing
In the rotation space 12 and with 14 be connected by power of the second motor, the lower end of the third shaft 16 is located in processing space 3 and consolidates
Surely it is connected with a weld seam control device 17,17 lower end of weld seam control device is provided with a laser emitter 18, the work
A hydraulic cylinder 19 is fixedly connected on the right side of 6 lower face of disk, the hydraulic cylinder 19 is internally provided with a sealing space 20, described close
Envelope space 20 is internally provided with a hydraulic plate 21, and the center position of 21 lower face of the hydraulic plate is fixedly connected with a connection light
Bar 22,22 lower end of the connection polished rod pass through the lower end wall of sealing space 20 and are fixedly connected with a lower platen 23, the hydraulic pressure
The upper and lower ends of 19 left side of cylinder are respectively arranged with upper connector 24 and lower connector 25, the centre of 19 left side of the hydraulic cylinder
A two-way hydraulic pump 27 is fixedly connected with by a link block 26 at position, the left end of the upper connector 24 is extended downwardly and fixed
It is connected to the upper end of bidirectional hydraulic pump 27, the left end of the lower connector 25 upwardly extends and is fixedly connected on bidirectional hydraulic pump 27
Lower end, the inside of the upper connector 24 and lower connector 25 is respectively arranged with connecting hole 28 and lower connecting hole 29, institute on one
The sealing space 20 that connecting hole 28 is connected to bidirectional hydraulic pump 27 and 21 upper end of hydraulic plate is stated, the lower connecting hole 29 is connected to two-way
The sealing space 20 of 21 lower end of hydraulic pump 27 and hydraulic plate, and it is both provided with one inside the upper connecting hole 28 and lower connecting hole 29
Solenoid valve 30.
Valuably or illustratively, wherein the weld seam control device 17 includes spill spin block 171, on the spill spin block 171
The middle position of end face is fixedly connected with the lower end of third shaft 16, and the lower face of the spill spin block 171 is provided with a sliding
Slot 172, is provided with a transmission space 173 in the left end wall of the sliding groove 172, solid on the left end wall of the transmission space 173
Surely it is connected with a third motor 174, a connection wire rod 175, the right side of the connection wire rod 175 are provided in the sliding groove 172
End is rotatablely connected with the right end wall of sliding groove 172, the left end of the connection wire rod 172 pass through the right end wall of transmission space 173 and
With 174 be connected by power of third motor, a sliding shoe 176 that can be horizontally slipped, the sliding shoe are provided in the sliding groove 172
Upside inside 176 is provided with a threaded hole 177, and the connection wire rod 172 passes through threaded hole 177 and coordinates with threaded hole 177
Connection, 173 lower end of the sliding shoe is pierced by sliding groove 172 and is fixedly connected with the upper surface of laser emitter 18.Its effect is,
According to the diameter of welded circular weld, third motor 174 works, and connection wire rod 172 rotates, by connection wire rod 172 with
The cooperation of threaded hole 177 drives sliding shoe 173 to move, and laser emitter 18 is made to deviate the rotation center of third shaft 16, and second
When motor 14 works, third shaft 16 rotates, and laser emitter 18 moves in a circle, to make laser focus point continuously fall in work
On the circular weld of part.
Valuably or illustratively, wherein the left and right ends of 21 cylindroid of the hydraulic plate are symmetrically arranged with a sealing and lead
To slot 211, a sealing guide pad 212,20 left and right ends wall of the sealing space are both provided with inside the sealing guide groove 211
A guide slide 213 is both provided at upper position corresponding with sealing guide pad 212, the sealing guide pad 212 is being oriented to cunning
It can be slided up and down in road 213.Its effect is, by sealing the cooperation of guide pad 212 and guide slide 213, to limit hydraulic plate
21 rotation reduces the uncertain factor during press-fitting.
Specifically used mode：In present invention work, according to the diameter of welded circular weld, third motor 174 works,
Connection wire rod 172 rotates, and by the cooperation of connection wire rod 172 and threaded hole 177, drives sliding shoe 173 to move, makes Laser emission
Device 18 deviates the rotation center of third shaft 16, until laser emitter 18 and the distance of shaft centers of third shaft 16 are equal to circular weld
Radius, can adapt to the processing of different product, after the completion of debugging, open protective door 4, gear is passed through into hydraulically operated fixture 5
Fastening, ring gear is sleeved on the step of gear, closes protective door 4,27 work of bidirectional hydraulic pump, in the cooperation of solenoid valve 30
Under, hydraulic plate 21 drives lower platen 23 to move down by connecting polished rod 22, and lower platen 23 squeezes ring gear, and ring gear is made completely to be set with
On the step of gear, wherein by sealing the cooperation of guide pad 212 and guide slide 213, limitation hydraulic plate 21 turns
It is dynamic, the uncertain factor during press-fitting is reduced, after the completion of press-fitting, bidirectional hydraulic pumps 27 reverse operations, and hydraulic plate 21 passes through company
Connecing polished rod 22 drives lower platen 23 to return to original position, and first motor 8 works, and drives scratch diskette 6 to rotate by first rotating shaft 9, third
The center line of the axle center alignment workpiece of shaft 16, laser emitter 18 are aligned circular weld, the work of the second motor 14, third shaft
16 rotations, laser emitter 18 moves in a circle, and to make laser focus point continuously fall on the circular weld of workpiece, completes ring
Processing is completed in the annular solder of shape weld seam, press-fitting and welding all on a fixture, and the processing reduced between different fixtures misses
Difference improves Product Precision, saves working hour, has saved processing cost.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, 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, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (3)
1. a kind of Combined machining device, including fixed bottom plate and cylindricality babinet, the cylindricality babinet are fixedly connected on fixed bottom plate
The center position of upper surface, the cylindricality box house are provided with a processing space, the lower end of the processing space right end wall
It is provided with a plug-type protective door, a hydraulically operated fixture is provided on the right side of the processing space lower face, the processing space
Upper end is provided with a scratch diskette, and the center position of the processing space upper surface is provided with a motor slot, the motor slot
Upper surface is fixedly installed a first motor, and the first motor lower end is provided with a first rotating shaft, under the first rotating shaft
End is pierced by motor slot and is fixedly connected on the center position of scratch diskette upper surface, the upper and lower ends pair of the scratch diskette cylindroid
Title is provided with an annular brace slot, is respectively provided at the upper end position corresponding with annular brace slot of the working space cylindrical inner wall
There are an annular backup pad, the medial end of the annular backup pad to be respectively positioned in annular brace slot, the left side inside the scratch diskette
Side is provided with a rotation space, and the center position of the rotation space lower end wall is provided with a rotation hole, and the rotation hole connects
Lead to rotation space and working space, is fixedly connected with one second motor in the rotation space upper end wall, the rotation hole passes through
Its internal bearing rotary type is fixedly connected with a third shaft, the upper end of the third shaft be located at rotation space it is interior and with
Second motor power connects, and the lower end of the third shaft is located in processing space and is fixedly connected with a weld seam control device,
Weld seam control device lower end is provided with a laser emitter, and a hydraulic pressure is fixedly connected on the right side of the scratch diskette lower face
Cylinder, the hydraulic cylinder are internally provided with a sealing space, and the sealing space is internally provided with a hydraulic plate, under the hydraulic plate
The center position of end face is fixedly connected with a connection polished rod, and the connection polished rod lower end passes through the lower end wall of sealing space and consolidates
Surely it is connected with a lower platen, the upper and lower ends of the hydraulic cylinder left side are respectively arranged with upper connector and lower connector, described
The middle position of hydraulic cylinder left side is fixedly connected with a two-way hydraulic pump by a link block, the left end of the upper connector to
Lower extension and the upper end for being fixedly connected on bidirectional hydraulic pump, the left end of the lower connector are upwardly extended and are fixedly connected on two-way
The inside of the lower end of hydraulic pump, the upper connector and lower connector is respectively arranged with connecting hole and lower connecting hole on one, described
The sealing space of upper connecting hole connection bidirectional hydraulic pump and hydraulic plate upper end, the lower connecting hole connection bidirectional hydraulic pump and hydraulic pressure
The sealing space of plate lower end, and it is both provided with a solenoid valve inside the upper connecting hole and lower connecting hole.
2. a kind of Combined machining device according to claim 1, it is characterised in that：The weld seam control device includes rotation
The middle position of block, the spill spin block upper surface is fixedly connected with the lower end of third shaft, and the lower face of the spill spin block is set
It is equipped with a sliding groove, a transmission space is provided in the left end wall of the sliding groove, is fixed on the left end wall of the transmission space
It is connected with a third motor, a connection wire rod, the right end of the connection wire rod and the right side of sliding groove are provided in the sliding groove
End wall is rotatablely connected, and the left end of the connection wire rod passes through the right end wall of transmission space and connect with third motor power, described
A sliding shoe that can be horizontally slipped is provided in sliding groove, the upside inside the sliding shoe is provided with a threaded hole, the company
Lead screw is connect across threaded hole and is connected with threaded hole, the sliding shoe lower end is pierced by sliding groove and upper with laser emitter
End face is fixedly connected.
3. a kind of Combined machining device according to claim 1, it is characterised in that：The left and right two of the hydraulic plate cylindroid
End is symmetrically arranged with a sealing guide groove, and a sealing guide pad, the sealing space are both provided with inside the sealing guide groove
A guide slide is both provided on the wall of left and right ends at position corresponding with sealing guide pad, the sealing guide pad is being oriented to cunning
It can be slided up and down in road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810136449.9A CN108274219A (en) | 2018-02-09 | 2018-02-09 | A kind of Combined machining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810136449.9A CN108274219A (en) | 2018-02-09 | 2018-02-09 | A kind of Combined machining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108274219A true CN108274219A (en) | 2018-07-13 |
Family
ID=62808184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810136449.9A Withdrawn CN108274219A (en) | 2018-02-09 | 2018-02-09 | A kind of Combined machining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108274219A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000061752A (en) * | 1998-08-21 | 2000-02-29 | Amada Co Ltd | Plate processing method and plate processing machine |
| CN103921124A (en) * | 2014-04-10 | 2014-07-16 | 南宁哈威尔紧固件有限公司 | Combined machine tool |
| CN205254534U (en) * | 2015-11-27 | 2016-05-25 | 苏州领裕电子科技有限公司 | Novel punching press welding all -in -one |
| CN106402077A (en) * | 2016-11-29 | 2017-02-15 | 四川凌峰航空液压机械有限公司 | Hydraulic actuator cylinder output speed controllable hydraulic loop system |
| CN107511593A (en) * | 2017-08-24 | 2017-12-26 | 湖州吴兴华隆机械有限公司 | A kind of rail mounted laser circle-cutting machine |
-
2018
- 2018-02-09 CN CN201810136449.9A patent/CN108274219A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000061752A (en) * | 1998-08-21 | 2000-02-29 | Amada Co Ltd | Plate processing method and plate processing machine |
| CN103921124A (en) * | 2014-04-10 | 2014-07-16 | 南宁哈威尔紧固件有限公司 | Combined machine tool |
| CN205254534U (en) * | 2015-11-27 | 2016-05-25 | 苏州领裕电子科技有限公司 | Novel punching press welding all -in -one |
| CN106402077A (en) * | 2016-11-29 | 2017-02-15 | 四川凌峰航空液压机械有限公司 | Hydraulic actuator cylinder output speed controllable hydraulic loop system |
| CN107511593A (en) * | 2017-08-24 | 2017-12-26 | 湖州吴兴华隆机械有限公司 | A kind of rail mounted laser circle-cutting machine |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180713 |
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| WW01 | Invention patent application withdrawn after publication |