CN104589420B - Multi-knife-head sheet material is automatic boring device continuously - Google Patents
Multi-knife-head sheet material is automatic boring device continuously Download PDFInfo
- Publication number
- CN104589420B CN104589420B CN201410807962.8A CN201410807962A CN104589420B CN 104589420 B CN104589420 B CN 104589420B CN 201410807962 A CN201410807962 A CN 201410807962A CN 104589420 B CN104589420 B CN 104589420B
- Authority
- CN
- China
- Prior art keywords
- hollow axle
- sheet material
- knife
- rotary sleeve
- telescopic shaft
- 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
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
- B27C3/00—Drilling machines or drilling devices; Equipment therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/02—Means for moving the cutting member into its operative position for cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
- B26D5/16—Cam means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/16—Perforating by tool or tools of the drill type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
Abstract
The invention provides a kind of multi-knife-head sheet material automatic boring device continuously, including: frame and multiple perforate head；Perforate head includes actuating unit, gear and tapping mechanism；Frame is provided with mounting platform and two bracing frames, the inner side on bracing frame top is provided with pressing plate and conveyer belt, forming guide groove between pressing plate and conveyer belt, gear includes hollow axle, cam disc and speed change assembly, and tapping mechanism includes rotary sleeve, telescopic shaft and cutting knife.Gear introduces power by hollow axle, and the power that hollow axle introduces is under the mating reaction of cam disc and speed change assembly, enable to the rotary sleeve speed change in tapping mechanism rotate, so that cutting knife can form pulsed cutting, reducing the phenomenon that cutting knife occurs that idle running is dynamic, cutting knife completes feed action in the process rotated, it is possible to realize being formed the perforate of taper surface on sheet material, realize improving yield rate, reduce the labor intensity of workman and improve working (machining) efficiency.
Description
Technical field
The present invention relates to mechanical field, especially a kind of multi-knife-head sheet material automatic boring device continuously.
Background technology
At present, for sheet material (plank, plastic plate or stone plate) perforate process generally carried out perforate by artificial electric hand drill, drill bit realizes perforate by motor-driven rotation, and the generally cylindrical through hole of perforate on sheet material, and when the hole processing taper surface is needed for the sheet material of particular/special requirement, workman can only be relied on first to get out aperture, then carry out extended surface process again and form the hole of taper surface, whole process needs workman's electric hand drill and grinding tool that sheet material is processed, the labor intensity of workman is bigger, and, in boring procedure, after sheet material forms groove, owing to the rotating speed of drill bit keeps constant, the phenomenon that drill bit dallies in a groove easily occurs, and need to expend the substantial amounts of time and just can complete.From the foregoing, it will be observed that in prior art in sheet material tap operation process, the labor intensity of workman is relatively big and perforate is inefficient.
Summary of the invention
The technical problem to be solved in the present invention is in that the deficiency overcoming above-mentioned prior art to exist, and a kind of multi-knife-head sheet material automatic boring device continuously is proposed, realize improving the yield rate of multi-knife-head sheet material automatic boring device continuously, reduce the labor intensity of workman and improve working (machining) efficiency.
The present invention proposes a kind of multi-knife-head sheet material automatic boring device continuously, including: frame and multiple perforate head being arranged side by side；Described perforate head includes actuating unit, gear and tapping mechanism；Described frame is provided with mounting platform and two bracing frames, two support frames as described above are symmetrical arranged, the inner side on support frame as described above top is provided with pressing plate positioned opposite up and down and conveyer belt, forming guide groove between described pressing plate and described conveyer belt, described mounting platform is between two support frames as described above；Described actuating unit includes the first motor and the second motor；Described gear includes hollow axle, cam disc and speed change assembly, described hollow axle is rotatably coupled on described mounting platform, described cam disc offers through hole, described hollow axle is inserted in described through hole, described cam disc is fixed on described mounting platform, described speed change assembly includes main turning arm, swing arm, connecting rod and speed-changing rotation arm, the one end of described main turning arm is fixed on described hollow axle, the other end of described main turning arm is hinged with the one end of described swing arm, the one end of described speed-changing rotation arm is rotatably coupled on described hollow axle, it is hinged with described connecting rod between described speed-changing rotation arm and described swing arm；Being provided with rotating pulley in described swing arm, described pulley is resisted against the edge of described cam disc, is provided with extension spring between end and described main turning arm that described swing arm is connected with described connecting rod, and described first motor is connected with described Hollow Shaft Transmission；Described tapping mechanism includes rotary sleeve, telescopic shaft and cutting knife, the upper end of described telescopic shaft is conehead structure, described telescopic shaft is slidably connected in described rotary sleeve and described hollow axle, the top of described rotary sleeve is provided with mounting seat, described mounting seat is hinged with installing rack, described cutting knife is removably attachable on described installing rack, described installing rack is additionally provided with the collar, the described collar is positioned at the top of described rotary sleeve, described rotary sleeve is fixed on described speed-changing rotation arm and is coaxially disposed with described hollow axle, described installing rack also sets up gag lever post, described gag lever post is positioned at the outside of described installing rack；Described hollow axle is stretched out outside the bottom of described telescopic shaft, described rotary sleeve is stretched out outside the upper end of described telescopic shaft, described mounting platform be further arranged below rotating cam, the bottom of described telescopic shaft is resisted against on described cam, and described second motor is connected with described cam drive.
Further, the bottom of described telescopic shaft is provided with rotating runner, and described runner is resisted against on described cam.
Further, the top of described rotary sleeve is additionally provided with auxiliary mounting seat, and described auxiliary mounting seat is provided with balance weight, and described auxiliary mounting seat and described mounting seat are symmetrical arranged.
Further, the end that described main turning arm is connected with described hollow axle is provided with extension rod, and described extension spring is connected with described extension rod.
Compared with prior art, the invention have the benefit that the multi-knife-head sheet material of the application automatic boring device continuously, by arranging guide groove on bracing frame, the guide groove location for sheet material being led and during perforate, and the power of the first motor output drives the cutting knife in tapping mechanism to rotate by gear, and gear introduces power by hollow axle, and the power that hollow axle introduces is under the mating reaction of cam disc and speed change assembly, enable to the rotary sleeve speed change in tapping mechanism rotate, so that cutting knife can form pulsed cutting, reduce the phenomenon that cutting knife occurs that idle running is dynamic；And tapping mechanism is driven the feeding realizing cutting knife by the second motor, second motor is stretched relative to rotary sleeve by actuated by cams telescopic shaft, and stretch out in process at telescopic shaft, the conehead structure of telescopic shaft will go in the collar, and make the sheet material that cutting knife moves closer to be arranged in guide groove carry out perforate process, simultaneously, cutting knife completes feed action in the process rotated, it is capable of being formed the perforate of taper surface on sheet material, realize improving the yield rate of multi-knife-head sheet material automatic boring device continuously, reduce the labor intensity of workman and improve working (machining) efficiency.It addition, by adopting multiple perforate heads being arranged side by side to carry out perforate process simultaneously, it is possible to further improve working (machining) efficiency.
Accompanying drawing explanation
Fig. 1 is that multi-knife-head sheet material of the present invention automatic boring device embodiment continuously is in the structural representation under perforate state；
Fig. 2 is that multi-knife-head sheet material of the present invention automatic boring device embodiment continuously is in the structural representation under non-perforate state；
Fig. 3 is the structural representation of tapping mechanism in multi-knife-head sheet material of the present invention automatic boring device embodiment continuously；
Fig. 4 is the axonometric chart of gear in multi-knife-head sheet material of the present invention automatic boring device embodiment continuously；
Fig. 5 is the top view of gear in multi-knife-head sheet material of the present invention automatic boring device embodiment continuously；
Fig. 6 is the upward view of gear in multi-knife-head sheet material of the present invention automatic boring device embodiment continuously.
Detailed description of the invention
In order to further illustrate principles of the invention and structure, in conjunction with accompanying drawing to a preferred embodiment of the present invention will be described in detail.
As shown in figures 1 to 6, the present embodiment multi-knife-head sheet material is automatic boring device continuously, including: frame 1 and multiple perforate head (not shown) being arranged side by side；Perforate head includes actuating unit (not shown), gear 3 and tapping mechanism 2；Frame 1 is provided with mounting platform 11 and two bracing frames 12, two bracing frames 12 are symmetrical arranged, the inner side on bracing frame 12 top is provided with pressing plate 122 positioned opposite up and down and conveyer belt 123, forming guide groove 121 between described pressing plate 122 and described conveyer belt 123, mounting platform 11 is between two bracing frames 12；Actuating unit includes the first motor (not shown) and the second motor (not shown).Preferably, so that sheet material can be positioned by conveyer belt 123 and pressing plate 122 reliably, avoid moving during sheet material perforate to improve perforate quality, can being provided with rotating rubber tire 1221 on pressing plate 122, rubber tire 1221 is arranged in guide groove 121, when sheet material is transmitted by conveyer belt 123, rubber tire 1221 will be squeezed on sheet material all the time, and when perforate, sheet material can be provided again effective support force by rubber tire 1221, it is ensured that the position reliability of sheet material.
Wherein, two bracing frames 12 of frame 1 are for supporting sheet material to be processed, and sheet material is when perforate, sheet material is inserted in guide groove 121 by operator, sheet material will be provided downward support force by pressing plate 122, to guarantee that sheet material is offset by cutting force when perforate, and conveyer belt 123 will be used for carrying sheet material to run, by controlling operation time and the transmission speed of conveyer belt 123, the automatic perforate of sheet material continuous way can be realized, tapping mechanism 2 is for carrying out perforate process to sheet material, and gear 3 is used for realizing tapping mechanism speed change perforate, and concrete structure illustrates as follows:
Gear 3 includes hollow axle 31, cam disc 32 and speed change assembly 33, hollow axle 31 is rotatably coupled on mounting platform 11, cam disc 32 offers through hole (not shown), hollow axle 31 is inserted in through-holes, cam disc 32 is fixed on mounting platform 11, speed change assembly 33 includes main turning arm 331, swing arm 332, connecting rod 333 and speed-changing rotation arm 334, the one end of main turning arm 331 is fixed on hollow axle 31, the other end of main turning arm 331 is hinged with the one end of swing arm 332, the one end of speed-changing rotation arm 334 is rotatably coupled on hollow axle 31, connecting rod 333 it is hinged with between speed-changing rotation arm 334 and swing arm 332；Being provided with rotating pulley 3321 in swing arm 332, pulley 3321 is resisted against the edge of cam disc 32, is provided with extension spring 335 between end and main turning arm 331 that swing arm 332 is connected with connecting rod 333, and the first motor and hollow axle 31 are in transmission connection.Concrete, first motor drives hollow axle 31 to rotate, drive speed change assembly 33 is rotated by hollow axle 31 relative to cam disc 32, and in rotation process, pulley 3321 in swing arm 332 coordinates with cam disc 32, will realize formation speed difference between speed-changing rotation arm 334 and main turning arm 331, so that the cutting knife 23 in tapping mechanism 2 can carry out speed change cutting, avoid cutting knife 23 that the phenomenon skidded occurs, to improve working (machining) efficiency.Wherein, the end that main turning arm 331 is connected with hollow axle 31 is provided with extension rod 3311, and extension spring 335 is connected with extension rod 3311.Extension rod 3311 can increase the tensile elongation of extension spring 335, to improve the reset pulling force that swing arm 332 is applied by extension spring 335.It addition, be connected to power input gear 311 on hollow axle 31, power input gear 311 is connected with the first motor-driven.Being coordinated with swing arm 332 by cam disc 32, the speed change to realize speed-changing rotation arm 334 rotates, and overall structure is simple, and operational reliability is higher.Preferably, and cam disc 32 is additionally provided with bar hole 321, bar hole 321 is inserted with bolt (not shown), cam disc 32 is bolted on support, by reasonably arranging the position of cam disc 32, it is possible to control the cutting knife 23 speed change on sheet material and position occurs, to meet the requirement to cutting dynamics of sheet material that different materials constituted, when needs regulate cutting knife 23 speed change generation position, it is possible to loose bolts adjusts the position of cam disc 32, just can realize.
Tapping mechanism 2 includes rotary sleeve 21, telescopic shaft 22 and cutting knife 23, the upper end of telescopic shaft 22 is conehead structure 221, telescopic shaft 22 is slidably connected in rotary sleeve 21 and hollow axle 31, the top of rotary sleeve 21 is provided with mounting seat 211, mounting seat 211 is hinged with installing rack 212, cutting knife 23 is removably attachable on installing rack 212, installing rack 212 is additionally provided with the collar 213, the collar 213 is positioned at the top of rotary sleeve 21, rotary sleeve 21 is fixed on speed-changing rotation arm 334 and is coaxially disposed with hollow axle 31, installing rack 212 also sets up gag lever post 214, gag lever post 214 is positioned at the outside of installing rack 212；Stretch out hollow axle 31 outside the bottom of telescopic shaft 22, outside the upper end of telescopic shaft 22, stretch out rotary sleeve 21, mounting platform 11 be further arranged below rotating cam 13, the bottom of telescopic shaft 22 is resisted against on cam 13, and the second motor and cam 13 are in transmission connection.Concrete, the rotary sleeve 21 of tapping mechanism 2 is arranged on speed-changing rotation arm 334 and realizes speed change rotates, in rotary sleeve 21 rotation process, now, installing rack 212 is outward-dipping by centrifugal action and is limited, by gag lever post 214, the angle that installing rack 212 outwards overturns, and cutting knife 23 will be located in the lower section of sheet material and do not contact sheet material；Second motor driving cam 13 rotates to drive telescopic shaft 22 to move up, the end making telescopic shaft 22 is inserted in the collar 213, owing to the end of telescopic shaft 22 is conehead structure, telescopic shaft 22 is inserted in the process of the collar 213, the collar 213 will move to the direction near telescopic shaft 22 axis gradually, so that installing rack 212 overcomes centrifugal force to drive cutting knife 23 to complete feed action, and sheet material is cut by cutting knife 23 while feed, such that it is able to form the hole of recessing, by reasonably arranging setting angle and the height of cutting knife 23, cutting knife can also be realized and complete the function of annular groove.For the tapping mechanism 2 in Fig. 1, telescopic shaft 22 is inserted in the collar 213, the dead in line of the axis of the collar 213 and telescopic shaft 22；For the tapping mechanism 2 in Fig. 2, telescopic shaft 22 is positioned at the outside of the collar 213, and the axis of the collar 213 is arranged in a crossed manner with the centrage of telescopic shaft 22.Preferably, being inserted in the collar 213 smoothly for the ease of telescopic shaft 22, the collar 213 can adopt bearing, to reduce the frictional force between the collar 213 and telescopic shaft 22, it is ensured that cutting knife 23 rotates smoothly.Wherein, the bottom of telescopic shaft 22 is provided with rotating runner 222, and runner 222 can reduce the frictional force between cam 13.It addition, the top of rotary sleeve 21 is additionally provided with auxiliary mounting seat 215, auxiliary mounting seat 215 being provided with balance weight 216, auxiliary mounting seat 215 is symmetrical arranged with mounting seat 211.Concrete, so that rotary sleeve 21 can rotate smoothly, auxiliary mounting seat 215 coordinates, with balance weight 216, the centrifugal force that can balance mounting seat 211 so that rotary sleeve 21 can rotate more smoothly.
The multi-knife-head sheet material of the application is automatic boring device continuously, by arranging guide groove on bracing frame, the guide groove location for sheet material being led and during perforate, and the power of the first motor output drives the cutting knife in tapping mechanism to rotate by gear, and gear introduces power by hollow axle, and the power that hollow axle introduces is under the mating reaction of cam disc and speed change assembly, enable to the rotary sleeve speed change in tapping mechanism rotate, so that cutting knife can form pulsed cutting, reduce the phenomenon that cutting knife occurs that idle running is dynamic；And tapping mechanism is driven the feeding realizing cutting knife by the second motor, second motor is stretched relative to rotary sleeve by actuated by cams telescopic shaft, and stretch out in process at telescopic shaft, the conehead structure of telescopic shaft will go in the collar, and make the sheet material that cutting knife moves closer to be arranged in guide groove carry out perforate process, simultaneously, cutting knife completes feed action in the process rotated, it is capable of being formed the perforate of taper surface on sheet material, realize improving the yield rate of multi-knife-head sheet material automatic boring device continuously, reduce the labor intensity of workman and improve working (machining) efficiency.
These are only the preferably possible embodiments of the present invention, not limit the scope of the invention.Equivalent structure change done by all utilizations description of the present invention and accompanying drawing content, is all contained in protection scope of the present invention.
Claims (4)
1. a multi-knife-head sheet material automatic boring device continuously, it is characterised in that including: frame and multiple perforate head being arranged side by side；Described perforate head includes actuating unit, gear and tapping mechanism；Described frame is provided with mounting platform and two bracing frames, two support frames as described above are symmetrical arranged, the inner side on support frame as described above top is provided with pressing plate positioned opposite up and down and conveyer belt, forming guide groove between described pressing plate and described conveyer belt, described mounting platform is between two support frames as described above；Described actuating unit includes the first motor and the second motor；Described gear includes hollow axle, cam disc and speed change assembly, described hollow axle is rotatably coupled on described mounting platform, described cam disc offers through hole, described hollow axle is inserted in described through hole, described cam disc is fixed on described mounting platform, described speed change assembly includes main turning arm, swing arm, connecting rod and speed-changing rotation arm, the one end of described main turning arm is fixed on described hollow axle, the other end of described main turning arm is hinged with the one end of described swing arm, the one end of described speed-changing rotation arm is rotatably coupled on described hollow axle, it is hinged with described connecting rod between described speed-changing rotation arm and described swing arm；Being provided with rotating pulley in described swing arm, described pulley is resisted against the edge of described cam disc, is provided with extension spring between end and described main turning arm that described swing arm is connected with described connecting rod, and described first motor is connected with described Hollow Shaft Transmission；Described tapping mechanism includes rotary sleeve, telescopic shaft and cutting knife, the upper end of described telescopic shaft is conehead structure, described telescopic shaft is slidably connected in described rotary sleeve and described hollow axle, the top of described rotary sleeve is provided with mounting seat, described mounting seat is hinged with installing rack, described cutting knife is removably attachable on described installing rack, described installing rack is additionally provided with the collar, the described collar is positioned at the top of described rotary sleeve, described rotary sleeve is fixed on described speed-changing rotation arm and is coaxially disposed with described hollow axle, described installing rack also sets up gag lever post, described gag lever post is positioned at the outside of described installing rack；Described hollow axle is stretched out outside the bottom of described telescopic shaft, described rotary sleeve is stretched out outside the upper end of described telescopic shaft, described mounting platform be further arranged below rotating cam, the bottom of described telescopic shaft is resisted against on described cam, and described second motor is connected with described cam drive.
2. multi-knife-head sheet material according to claim 1 automatic boring device continuously, it is characterised in that the bottom of described telescopic shaft is provided with rotating runner, and described runner is resisted against on described cam.
3. multi-knife-head sheet material according to claim 1 automatic boring device continuously, it is characterised in that the top of described rotary sleeve is additionally provided with auxiliary mounting seat, and described auxiliary mounting seat is provided with balance weight, and described auxiliary mounting seat and described mounting seat are symmetrical arranged.
4. multi-knife-head sheet material according to claim 1 automatic boring device continuously, it is characterised in that the end that described main turning arm is connected with described hollow axle is provided with extension rod, and described extension spring is connected with described extension rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410807962.8A CN104589420B (en) | 2014-12-23 | 2014-12-23 | Multi-knife-head sheet material is automatic boring device continuously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410807962.8A CN104589420B (en) | 2014-12-23 | 2014-12-23 | Multi-knife-head sheet material is automatic boring device continuously |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104589420A CN104589420A (en) | 2015-05-06 |
| CN104589420B true CN104589420B (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410807962.8A Expired - Fee Related CN104589420B (en) | 2014-12-23 | 2014-12-23 | Multi-knife-head sheet material is automatic boring device continuously |
Country Status (1)
| Country | Link |
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| CN (1) | CN104589420B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190814568A (en) * | 1908-07-09 | 1909-07-09 | Wilhelm Moeschet | Improvements in Machines for Fastening Tags on Shoe Laces. |
| CN2101571U (en) * | 1991-07-09 | 1992-04-15 | 沈太福 | Punching machine for veneer board and rubber belt |
| JP3177764B2 (en) * | 1995-04-10 | 2001-06-18 | 政敏 内橋 | Equipment for cutting rocks |
| CN1163335C (en) * | 2000-10-17 | 2004-08-25 | 厦门大学 | Fully automatic perforator |
| DK174105B1 (en) * | 2000-11-07 | 2002-06-17 | Dan List As Maskinfabrik | Process for making a crusher assembly and a machine for carrying out the method |
| CN201922475U (en) * | 2010-11-05 | 2011-08-10 | 东莞市爱玛数控科技有限公司 | Punching device capable of rotating punching knife |
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2014
- 2014-12-23 CN CN201410807962.8A patent/CN104589420B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN104589420A (en) | 2015-05-06 |
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Inventor after: Liu Bing Inventor after: Li Hui Inventor after: Yan Mingwei Inventor after: Zhu Jiangfeng Inventor after: Guo Zhen Inventor after: Wang Penghuai Inventor after: Dai Qingyun Inventor after: Ma Shichao Inventor after: Xue Jianliang Inventor after: Cao Lianmin Inventor after: Sun Yunlu Inventor after: Hao Zhishun Inventor after: Wang Chao Inventor after: Zhong Chongtao Inventor after: Zhu Zhiyuan Inventor before: Zhan Caina |
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Effective date of registration: 20160517 Address after: 266590 Qingdao economic and Technological Development Zone, Shandong, former Bay Road, No. 579 Applicant after: Shandong Univ. of Science & Technology Address before: 266109, room 1, unit 6, rose villa community, 602 village, Chengyang District, Qingdao, Shandong Applicant before: Zhan Caina |
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Granted publication date: 20160629 Termination date: 20161223 |