CN107053352A - Pencil-knife scouring machine - Google Patents
Pencil-knife scouring machine Download PDFInfo
- Publication number
- CN107053352A CN107053352A CN201710316730.6A CN201710316730A CN107053352A CN 107053352 A CN107053352 A CN 107053352A CN 201710316730 A CN201710316730 A CN 201710316730A CN 107053352 A CN107053352 A CN 107053352A
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- CN
- China
- Prior art keywords
- knife
- gui
- plate
- controller
- pencil
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C1/00—Machines for producing flat surfaces, e.g. by rotary cutters; Equipment therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C1/00—Machines for producing flat surfaces, e.g. by rotary cutters; Equipment therefor
- B27C1/12—Arrangements for feeding work
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The present invention provides a kind of pencil-knife scouring machine, including controller, frame and the Gui Bian mechanisms being arranged in frame, propulsive mechanism and channeling mechanism, the Gui Bian mechanisms, propulsive mechanism and channeling mechanism are sequentially connected, the propulsive mechanism includes feeding and promotes wheel and the chute feeder being horizontally set in frame, the controller is connected with propulsive mechanism and drives feeding to promote wheel to drive plate to be processed to be moved along chute feeder, the Gui Bian mechanisms include rule side knife and flat cutter, rule side knife is arranged on above chute feeder, the controller is connected with Gui Bian mechanisms and drives rule side knife to cut plate to be processed, the channeling mechanism includes groove knife, the controller is connected with channeling mechanism and driver slot knife intermittence moves up and down.The cooperation that the present invention passes through controller and Gui Bian mechanisms, propulsive mechanism and channeling mechanism so that can enter professional etiquette side to irregular plate to be processed before discontinuous channeling.
Description
Technical field
The present invention relates to wood processing equipment, specifically a kind of pencil-knife scouring machine.
Background technology
Pencil-knife scouring machine is a kind of equipment that the former material plate plane of pencil processed is dug lead for retractable pencil groove, by setting in touch-screen
Length, depth and the slotting position of the fine-tuning planing lead for retractable pencil groove of parameter.Existing pencil-knife scouring machine can only be by given shape and chi
Very little plate to be processed carries out channeling, and can not process the plate of irregular shape.
The content of the invention
The technical problems to be solved by the invention are：Offer is a kind of automatically can be processed into irregular plate the lead of pencil bar
Keyway planer.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：Pencil-knife scouring machine, including controller, machine
Frame and Gui Bian mechanisms, propulsive mechanism and the channeling mechanism being arranged in frame, the Gui Bian mechanisms, propulsive mechanism and channeling mechanism
It is sequentially connected, the propulsive mechanism includes feeding and promotes wheel and the chute feeder being horizontally set in frame, and the controller is with pushing away
Enter mechanism to connect and drive feeding to promote wheel to drive plate to be processed to move along chute feeder, the Gui Bian mechanisms include rule side knife and
Flat cutter, rule side knife is arranged on above chute feeder, and the controller is connected with Gui Bian mechanisms and drives rule side knife cutting to be added
Work plate, the channeling mechanism includes groove knife, and the controller is connected with channeling mechanism and driver slot knife intermittence moves up and down.
The beneficial effects of the present invention are：Channeling plate to be processed is placed in blowing pen bucket, the feeding below drain hopper
The blocks of drain hopper of releasing in an orderly manner of plate is entered Gui Bian mechanisms by chain hook, and the plate to be processed that width differs is cut out through advising side knife
It is sawn into the unified plate of width；Plate to be processed behind rule side is carried out convincing linear slit by patient analysis that (wire seam is that technique is determined by wire saw blade
The crack of position)；Feeding promotes wheel and conductors backplane to coordinate and compresses plate to be processed, to be added under the rotation that feeding promotes wheel
Work plate is forwarded, and the upper surface of plate to be processed is planished whole (consistency of thickness for making plate to be processed) by flat cutter, treated
Processing plate arrives channeling mechanism further along, and groove knife moves up and down under the drive of servomotor, digs the channeling plate of a fault trough
Piece, is processed into pencil bar by irregular plate and completes channeling automatically so as to realize.
Brief description of the drawings
Fig. 1 is the structural representation of pencil-knife scouring machine of the present invention of the embodiment of the present invention.
Fig. 2 is the Gui Bian mechanisms of pencil-knife scouring machine of the embodiment of the present invention and the structural representation of feeding mechanism.
Fig. 3 is the Gui Bian mechanisms of pencil-knife scouring machine of the embodiment of the present invention and the structural representation of feeding mechanism.
Fig. 4 is the structural representation of the propulsive mechanism of pencil-knife scouring machine of the embodiment of the present invention.
Fig. 5 is the conducting mechanism of pencil-knife scouring machine of the embodiment of the present invention and the structural representation of inductive switch system.
Fig. 6 is the conducting mechanism of pencil-knife scouring machine of the embodiment of the present invention and the structural representation of inductive switch system.
Fig. 7 is the structural representation of the cutter shaft mechanism of pencil-knife scouring machine of the embodiment of the present invention.
Fig. 8 is the leftover pieces disintegrating mechanism of pencil-knife scouring machine of the embodiment of the present invention and the structural representation of another structure.
Label declaration：
1- vee-pulleys；2- tensioning pulleys；3- vee-pulleys；4- clutch sprocket wheels；5- cams；
6- cranks；7- feeding bases；8- wire datum plates；9- is oriented to push rod；10- hopper front aprons；11- drain hoppers；12-
Hopper rear baffle；13- feeding push pedals；14- clutch handles；15- promotes drive sprocket；16- pressure adjusting screws；17- promotes wheel；
18- wire saw blades；19- conductors backplanes；
20- pressing plate limited blocks；21- flat clamps；22- limit for height pressing plates；Above and below 23- regulating bolts；
24- wire cutter shafts；25- forward-backward adjustment bolts；26- encoders；27- photoelectric sensor switch；
28- tightly locks spanner；29- fastening bolts；30- auxiliary propulsion wheels；31- cutter shafts seat；32- servomotors；33- screw mandrels；
34- groove cutter shafts；35- proximity switches；Adjusting screw rod before and after 36-；
The upper lower adjusting screw rods of 37-；38- flat cutter axles；41- Gui Bian mechanisms；411- advises side knife；
42- propulsive mechanisms；43- channelings mechanism；44- drain hoppers；45- feeding chain hooks；46- leftover pieces disintegrating mechanisms；461-
Crush hopper；462- crushing vanes；463- chips inlet scoop；47- board separator structures.
Embodiment
To describe technology contents, the objects and the effects of the present invention in detail, below in conjunction with embodiment and coordinate attached
Figure is explained.
The design of most critical of the present invention is：Pass through matching somebody with somebody for controller and Gui Bian mechanisms 41, propulsive mechanism and channeling mechanism
Close so that can enter professional etiquette side to irregular plate to be processed before discontinuous channeling.
It refer to Fig. 1, pencil-knife scouring machine, including controller, frame and the Gui Bian mechanisms 41 being arranged in frame, pusher
Structure 42 and channeling mechanism 43, the Gui Bian mechanisms, propulsive mechanism and channeling mechanism are sequentially connected, and the propulsive mechanism includes feeding
Wheel and the chute feeder being horizontally set in frame are promoted, the controller is connected with propulsive mechanism and drives feeding to promote wheel to drive
Plate to be processed is moved along chute feeder, and the Gui Bian mechanisms include rule side knife 411 and flat cutter, and rule side knife is arranged on chute feeder
Top, the controller is connected with Gui Bian mechanisms and drives rule side knife to cut plate to be processed and driving flat cutter by plate to be processed
Surface planing, the channeling mechanism includes groove knife, the controller be connected with channeling mechanism simultaneously driver slot knife it is intermittent above and below
Motion.
The course of work of the present invention is as follows：Channeling plate to be processed is placed in blowing pen bucket, the feeding below drain hopper
The blocks of drain hopper of releasing in an orderly manner of plate is entered Gui Bian mechanisms by chain hook, and the plate to be processed that width differs is cut out through advising side knife
It is sawn into the unified plate of width；Plate to be processed behind rule side is carried out convincing linear slit by patient analysis that (wire seam is that technique is determined by wire saw blade
The crack of position)；Feeding promotes wheel and conductors backplane to coordinate and compresses plate to be processed, to be added under the rotation that feeding promotes wheel
Work plate is forwarded, and the upper surface of plate to be processed is planished whole (consistency of thickness for making plate to be processed) by flat cutter, treated
Processing plate arrives channeling mechanism further along, and groove knife moves up and down under the drive of servomotor, digs the channeling plate of a fault trough
Piece, then fall into board separator structure 47 and divide right and left, make the wire direction of each stack of plate piece the same；Photoelectric sensor switch and encoder
Detectable plate indicates that groove knife is moved up and down when specified location is moved on board.
Further, rule side knife 411 includes cutter shaft and and the saw blade on cutter shaft.
Further, in addition to leftover pieces disintegrating mechanism 46 (see Fig. 8), the leftover pieces disintegrating mechanism includes crushing hopper
461 are arranged on below Gui Bian mechanisms with the crushing vane 462 being arranged in crushing hopper, the crushing hopper.
Further, in addition to controller the feeding mechanism being connected, the feeding mechanism includes drain hopper 44, feeding chain
Hook 45, the controller control feeding chain hook drives plate to be processed to be moved along drain hopper to rule side knife direction.
Further, in addition to controller the conducting mechanism being connected, the conducting mechanism includes wire cutter shaft and installation
Wire saw blade on wire cutter shaft, the wire saw blade is set parallel to chute feeder.
Further, the conducting mechanism also includes the limit for height pressing plate being arranged on above chute feeder and is arranged on limit for height pressing plate
The flat clamp of top.
Embodiment
It refer to Fig. 1, pencil-knife scouring machine, including controller, frame and the Gui Bian mechanisms 41 being arranged in frame, pusher
Structure 42 and channeling mechanism 43, the Gui Bian mechanisms, propulsive mechanism and channeling mechanism are sequentially connected, and the propulsive mechanism includes feeding
Wheel and the chute feeder being horizontally set in frame are promoted, the controller is connected with propulsive mechanism and drives feeding to promote wheel to drive
Plate to be processed is moved along chute feeder, and the Gui Bian mechanisms include rule side knife 411 and flat cutter, and rule side knife is arranged on chute feeder
Top, the controller is connected with Gui Bian mechanisms and drives rule side knife to cut plate to be processed and driving flat cutter by plate to be processed
Surface planing, the channeling mechanism includes groove knife, the controller be connected with channeling mechanism simultaneously driver slot knife it is intermittent above and below
Motion.
Rule side knife 411 includes cutter shaft and and the saw blade on cutter shaft.
Also include leftover pieces disintegrating mechanism 46 (see Fig. 8), the leftover pieces disintegrating mechanism includes crushing hopper 461 and set
The crushing vane 462 in hopper is being crushed, the crushing hopper is arranged on below Gui Bian mechanisms.
Also include the feeding mechanism being connected with controller, the feeding mechanism includes drain hopper 44, feeding chain hook 45, described
Controller control feeding chain hook drives plate to be processed to be moved along drain hopper to rule side knife direction.
Also include the conducting mechanism being connected with controller, the conducting mechanism includes wire cutter shaft and installed in wire cutter shaft
On wire saw blade, the wire saw blade parallel to chute feeder set.
The conducting mechanism is also including being arranged on the limit for height pressing plate above chute feeder and being arranged on putting down above limit for height pressing plate
Pressing plate.
Refer to Fig. 2 and Fig. 3, the Gui Bian mechanisms and feeding mechanism of pencil-knife scouring machine of the present invention, including vee-pulley 1,
Pulley tightener 2, vee-pulley 3, clutch sprocket wheel 4, cam 5, crank 6, feeding base 7, wire datum plate 8, guiding push rod 9, hopper
Front apron 10, drain hopper 11, hopper rear baffle 12, feeding push pedal 13, clutch handle 14, wherein：
Power sends vee-pulley 3 to by vee-pulley 1 and drives clutch sprocket wheel 4, and this mechanism has clamp skidding effect to be difficult
Board is caused to damage；
Clutch handle 14 is rotated with moving cam 5 moves back and forth the feeding push pedal 13 on crank 6, the type of feeding push pedal 13
Number changed the outfit according to the length of production plate；
The position adjustable of hopper rear baffle 12 on drain hopper 11, fixed according to the length of plate, hopper front apron 10 just may be used
Adjust, base is higher than 1-1.5mm of plate；
The distances of plate wire saw kerf and sheet edges is realized and parallel in the regulating bolt position of regulation wire datum plate 8
Degree；
Being oriented to push rod 9 in production will be to push up solid plate piece, and withstanding between plate back nut and seat has 1mm gaps to be defined.
Fig. 8 is refer to, feeding mechanism of the invention can also be as follows, including drain hopper 44 and feeding chain hook 45.
Leftover pieces disintegrating mechanism includes crushing hopper 461, crushing vane 462 and chip inlet scoop 463.
Fig. 4 is refer to, the propulsive mechanism of pencil-knife scouring machine of the present invention mainly adjusts spiral shell by propulsion drive sprocket 15, pressure
Bar 16 and propulsion wheel 17 are constituted, wherein：
Promote drive sprocket 15 that moment of torsion is sent to propulsion wheel 17 to push away plate forward there is provided power；
Pressure adjusting screw 16 is adjustable to promote the height taken turns and pressure, promotes wheel to be pressed onto between the top nut of plate screw rod and seat
There is 1-1.5mm gap.
It refer to Fig. 4, the conducting mechanism of pencil-knife scouring machine of the present invention, including wire saw blade 18, conductors backplane 19, pressing plate limit
Position block 20, flat clamp 21, limit for height pressing plate 22, regulating bolt 23, wire cutter shaft 24, forward-backward adjustment bolts 25 are constituted up and down：
Plate is sent into by propulsive mechanism and convinces scroll saw seam by patient analysis by wire saw blade 18, and wire saw blade 18 is mounted in wire cutter shaft 24
On；
The regulation of the front and back position of wire cutter shaft 24 is controlled by forward-backward adjustment bolts 25, and wire saw blade is transferred to and wire same
It is defined on line, wire cutter shaft height (plate wire saw kerf depth) is regulated and controled by regulating bolt 23 up and down；
Bolt on limit for height pressing plate 22 can limit the thickness of plate, can prevent lamination from entering to break cutter；
The top nut of pressing plate limited block 20 of the lower section of flat clamp 21 can limit flat clamp limit level, prevent it dry with cutter
Relate to.
Fig. 5 and Fig. 6 are refer to, pencil-knife scouring machine of the present invention also includes inductive switch system, including encoder 26, light inductance
Inductive switch 27, can detect that charging to its displacement (length) sends control to when the encoded device 26 of plate and photoelectric sensor switch 27
Circuit completes the jump action of groove knife；
Guide wheel on encoder 26 must contact plate, otherwise can not monitor；
The position of photoelectric sensor switch 27 is adjustable, and major function is to control the position of centreless groove.
Fig. 7 is refer to, the cutter shaft mechanism of pencil-knife scouring machine of the present invention, including tight lock spanner 28, fastening bolt 29, auxiliary are pushed away
Enter wheel 30, cutter shaft seat 31, servomotor 32, screw mandrel 33, groove cutter shaft 34, proximity switch 35, front and rear adjusting screw rod 36, adjust up and down
Screw rod 37, flat cutter axle 38, wherein：
The upper-lower position on device of flat cutter axle 38 is constituted by tightly locking spanner 28 and adjusting screw mandrel 37 up and down, is unclamped spanner and then is revolved
Turn above and below screw mandrel regulation；
The front and rear governor motion of flat cutter axle 38 adjusting screw rod 36 before and after fastening bolt 29 and cutter shaft is constituted, and tightly locks bolt
It can not lock too tight or too loose；
Cutter shaft mechanism is main by servomotor 32 controls the rotating of screw mandrel 33 to do controllable up and down motion come driver slot knife.
In summary, the beneficial effect for the pencil-knife scouring machine that the present invention is provided is：Channeling plate to be processed is placed on blowing
In pen bucket, the blocks of drain hopper of releasing in an orderly manner of plate is entered Gui Bian mechanisms by the feeding chain hook below drain hopper, width
The plate to be processed differed is sawn into the unified plate of width through advising side knife sanction；Plate to be processed behind rule side is carried out by wire saw blade
Convince linear slit by patient analysis (wire seam is the crack of a locating)；Feeding promotes wheel and conductors backplane to coordinate and compresses plate to be processed,
Under the rotation that feeding promotes wheel, plate to be processed is forwarded, and the upper surface of plate to be processed is planished whole (make by flat cutter
The consistency of thickness of plate to be processed), plate to be processed arrives channeling mechanism further along, above and below groove knife is done under the drive of servomotor
Motion, digs the channeling plate of a fault trough, irregular plate is processed into pencil bar and channeling is completed automatically so as to realize.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalents that bright specification and accompanying drawing content are made, or the technical field of correlation is directly or indirectly used in, similarly include
In the scope of patent protection of the present invention.
Claims (6)
1. pencil-knife scouring machine, it is characterised in that：Including controller, frame and the Gui Bian mechanisms being arranged in frame, propulsive mechanism
With channeling mechanism, the Gui Bian mechanisms, propulsive mechanism and channeling mechanism are sequentially connected, and the propulsive mechanism includes feeding and promotes wheel
With the chute feeder being horizontally set in frame, the controller is connected with propulsive mechanism and drives feeding to promote wheel drive to be processed
Plate is moved along chute feeder, and the Gui Bian mechanisms include rule side knife and flat cutter, and rule side knife is arranged on above chute feeder, described
Controller is connected with Gui Bian mechanisms and drives rule side knife to cut plate to be processed, and the channeling mechanism includes groove knife, the control
Device is connected with channeling mechanism and driver slot knife intermittence moves up and down.
2. pencil-knife scouring machine according to claim 1, it is characterised in that：Rule side knife includes cutter shaft and and installed in knife
Saw blade on axle.
3. pencil-knife scouring machine according to claim 1, it is characterised in that：Also include leftover pieces disintegrating mechanism, the corner
Material disintegrating mechanism includes crushing hopper and is arranged on the crushing vane crushed in hopper, and the crushing hopper is arranged on Gui Bian mechanisms
Lower section.
4. pencil-knife scouring machine according to claim 1, it is characterised in that：Also include the feeding mechanism being connected with controller,
The feeding mechanism includes drain hopper, feeding chain hook, and the controller control feeding chain hook drives plate to be processed along drain hopper
Moved to rule side knife direction.
5. pencil-knife scouring machine according to claim 1, it is characterised in that：Also include the conducting mechanism being connected with controller,
The conducting mechanism includes wire cutter shaft and the wire saw blade on wire cutter shaft, and the wire saw blade is parallel to chute feeder
Set.
6. pencil-knife scouring machine according to claim 5, it is characterised in that：The conducting mechanism also includes being arranged on chute feeder
The limit for height pressing plate of top and the flat clamp being arranged on above limit for height pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710316730.6A CN107053352A (en) | 2017-05-08 | 2017-05-08 | Pencil-knife scouring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710316730.6A CN107053352A (en) | 2017-05-08 | 2017-05-08 | Pencil-knife scouring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107053352A true CN107053352A (en) | 2017-08-18 |
Family
ID=59597144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710316730.6A Pending CN107053352A (en) | 2017-05-08 | 2017-05-08 | Pencil-knife scouring machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107053352A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107486917A (en) * | 2017-09-30 | 2017-12-19 | 界首市元宝山木制品有限公司 | One kind processing pencil pencil plate forming device |
| CN107599083A (en) * | 2017-09-30 | 2018-01-19 | 界首市元宝山木制品有限公司 | One kind processing pencil plank grooving apparatus |
| CN110126048A (en) * | 2019-06-03 | 2019-08-16 | 成都弘林机械有限公司 | A kind of multistation automatic gang drill device |
| CN111169198A (en) * | 2020-01-22 | 2020-05-19 | 福州普洛机械制造有限公司 | Grooving rubber core connecting wire and working method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07506547A (en) * | 1992-09-15 | 1995-07-20 | クルップ・ベラフォーム・マシーネンバウ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | Pencil manufacturing method and device |
| JPH10180707A (en) * | 1996-12-26 | 1998-07-07 | Tamotsu Ueno | Cutter for forming groove of lead of pencil |
| CN202137811U (en) * | 2011-07-06 | 2012-02-08 | 福州普洛机械制造有限公司 | Cutter shaft regulating device, groove planing machine and rod planing machine |
| CN202169621U (en) * | 2011-07-06 | 2012-03-21 | 福州普洛机械制造有限公司 | Pencil-holder planing machine |
| CN103586941B (en) * | 2013-10-29 | 2015-02-25 | 浙江庆元欧迪实业有限公司 | Pencil grooving machine |
| CN205969332U (en) * | 2016-08-17 | 2017-02-22 | 吴维飞 | Pencil plate gauge limit machine |
-
2017
- 2017-05-08 CN CN201710316730.6A patent/CN107053352A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07506547A (en) * | 1992-09-15 | 1995-07-20 | クルップ・ベラフォーム・マシーネンバウ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | Pencil manufacturing method and device |
| JPH10180707A (en) * | 1996-12-26 | 1998-07-07 | Tamotsu Ueno | Cutter for forming groove of lead of pencil |
| CN202137811U (en) * | 2011-07-06 | 2012-02-08 | 福州普洛机械制造有限公司 | Cutter shaft regulating device, groove planing machine and rod planing machine |
| CN202169621U (en) * | 2011-07-06 | 2012-03-21 | 福州普洛机械制造有限公司 | Pencil-holder planing machine |
| CN103586941B (en) * | 2013-10-29 | 2015-02-25 | 浙江庆元欧迪实业有限公司 | Pencil grooving machine |
| CN205969332U (en) * | 2016-08-17 | 2017-02-22 | 吴维飞 | Pencil plate gauge limit machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107486917A (en) * | 2017-09-30 | 2017-12-19 | 界首市元宝山木制品有限公司 | One kind processing pencil pencil plate forming device |
| CN107599083A (en) * | 2017-09-30 | 2018-01-19 | 界首市元宝山木制品有限公司 | One kind processing pencil plank grooving apparatus |
| CN110126048A (en) * | 2019-06-03 | 2019-08-16 | 成都弘林机械有限公司 | A kind of multistation automatic gang drill device |
| CN111169198A (en) * | 2020-01-22 | 2020-05-19 | 福州普洛机械制造有限公司 | Grooving rubber core connecting wire and working method thereof |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |
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| RJ01 | Rejection of invention patent application after publication |