CN104441110A - Multiple-grinding-head grooving device for curved grooves of plates - Google Patents
Multiple-grinding-head grooving device for curved grooves of plates Download PDFInfo
- Publication number
- CN104441110A CN104441110A CN201410807861.0A CN201410807861A CN104441110A CN 104441110 A CN104441110 A CN 104441110A CN 201410807861 A CN201410807861 A CN 201410807861A CN 104441110 A CN104441110 A CN 104441110A
- Authority
- CN
- China
- Prior art keywords
- hollow shaft
- rotary sleeve
- grinding
- telescopic shaft
- grooving
- 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 241001149930 Protura <class> Species 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 12
- 238000003754 machining Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract 2
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 20
- 238000005498 polishing Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/002—Grinding heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention provides a multiple-grinding-head grooving device for curved grooves of plates. The multiple-grinding-head grooving device comprises a frame and a plurality of grooving machine heads. Each grooving machine head comprises a power mechanism, a speed changing mechanism and a grooving mechanism. An installation platform and two supporting frames are arranged on the frame, a guide groove is formed in the inner side of the upper portion of each supporting frame, and the installation platform is positioned between the two supporting frames. Each power mechanism comprises a first motor and a second motor. Each speed changing mechanism comprises a hollow shaft, a cam plate and a speed changing assembly. Each grooving mechanism comprises a rotary sleeve, a telescopic shaft and a grinding head. Power is introduced to the hollow shafts through the speed changing mechanisms and make the rotary sleeves in the grooving mechanisms rotate in a speed changing mode under the matching effect of the cam plates and the speed changing assemblies so that the grinding heads can form pulse grinding, the frequency of the phenomenon of idle rotation of the grinding head is reduced, the grinding heads can complete the feeding action in the rotation process, grooves with arc sections can be formed in the plates, the yield and machining efficiency can be increased, and labor intensity of workers can be reduced.
Description
Technical field
The present invention relates to mechanical field, especially a kind of many grinding head boards arch groove fluting apparatus.
Background technology
At present, for sheet material (plank, plastic plate or stone plate) slot treatment usually adopt groover to complete, and groover of the prior art can only process the groove of straight line usually, for needing the particular/special requirement processing annular groove on sheet material, slotted by artificial electric hand drill by needs, electric drill is equipped with bistrique, carrying out processing in the process of cannelure, operating personnel need the track first drawing cannelure on sheet material, then, by manually bistrique is aimed at annular trace carries out grooving operations, in grooving process, the labour intensity of workman is very large and yield rate is lower, and, when for needs, to process cross section on sheet material be the groove of arc, the bistrique of specific arc can only be used, its versatility is poor, meanwhile, keep constant at the rotating speed of bistrique, easily occur the phenomenon that bistrique dallies in a groove, make working (machining) efficiency lower.How to design that a kind of can to reduce labor strength, improve the grooving apparatus of yield rate, working (machining) efficiency and versatility be technical problem to be solved by this invention.
Summary of the invention
The technical problem to be solved in the present invention is the deficiency overcoming the existence of above-mentioned prior art, and a kind of many grinding head boards arch groove fluting apparatus is proposed, realize the yield rate improving many grinding head boards arch groove fluting apparatus, reduce the labour intensity of workman and improve working (machining) efficiency.
The present invention proposes a kind of many grinding head boards arch groove fluting apparatus, comprising: frame and multiple fluting head be arranged side by side, described fluting head comprises actuating unit, gear and grooving mechanism, described frame is provided with mounting platform and two bracing frames, two support frames as described above are symmetrical arranged, and the inner side on support frame as described above top is provided with guide groove, and described mounting platform is between two support frames as described above, described actuating unit comprises the first motor and the second motor, described gear comprises hollow shaft, cam disc and speed change assembly, described hollow shaft is rotating to be connected on described mounting platform, described cam disc offers through hole, described hollow shaft is inserted in described through hole, described cam disc is fixed on described mounting platform, described speed change assembly comprises main turning arm, swing arm, connecting rod and speed-changing rotation arm, one end of described main turning arm is fixed in described hollow shaft, the other end of described main turning arm and an end of described swing arm hinged, one end of described speed-changing rotation arm is rotating to be connected in described hollow shaft, described connecting rod is hinged with between described speed-changing rotation arm and described swing arm, described swing arm is provided with rotating pulley, and described pulley is resisted against the edge of described cam disc, and be provided with extension spring between the end that described swing arm is connected with described connecting rod and described main turning arm, described first motor is connected with described Hollow Shaft Transmission, described grooving mechanism comprises rotary sleeve, telescopic shaft and bistrique, the upper end of described telescopic shaft is conehead structure, described telescopic shaft is slidably connected in described rotary sleeve and described hollow shaft, the top of described rotary sleeve is provided with mount pad, described mount pad offers the chute towards surface thereof, slide in described chute and be provided with installing rack, described bistrique is dismountable to be connected on described installing rack, described installing rack is also provided with the collar, the described collar is positioned at the top of described rotary sleeve, described rotary sleeve to be fixed on described speed-changing rotation arm and coaxially to arrange with described hollow shaft, described hollow shaft is stretched out outside the bottom of described telescopic shaft, described rotary sleeve is stretched out outside the upper end of described telescopic shaft, the below of described mounting platform is also provided with rotating cam, and 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 also provided with auxiliary mount pad, and described auxiliary mount pad is provided with balance weight, and described auxiliary mount pad and described mount pad are symmetrical arranged.
Further, the end that described main turning arm is connected with described hollow shaft is provided with extension rod, and described extension spring is connected with described extension rod.
Compared with prior art, beneficial effect of the present invention is: many grinding head boards arch groove fluting apparatus of the application, by arranging guide groove on bracing frame, guide groove is used for location when leading to sheet material and slot, and the power that the first motor exports drives the bistrique in grooving mechanism to rotate by gear, and gear introduces power by hollow shaft, and the power that hollow shaft is introduced is under the mating reaction of cam disc and speed change assembly, the rotary sleeve speed change in grooving mechanism can be made to rotate, thus make bistrique can form pulsed polishing, reduce bistrique and occur the phenomenon that idle running is dynamic, and grooving mechanism is driven the feeding realizing bistrique by the second motor, second motor is flexible 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 enter into the collar, and make bistrique carry out slot treatment near the sheet material being arranged in guide groove gradually, simultaneously, bistrique completes feed motion in the process rotated, can realize Formation cross-section on sheet material is the groove of arc, realize the yield rate improving many grinding head boards arch groove fluting apparatus, reduce the labour intensity of workman and improve working (machining) efficiency.In addition, by adopting multiple fluting head be arranged side by side to carry out slot treatment simultaneously, further working (machining) efficiency can be improved.
Accompanying drawing explanation
Fig. 1 is the structural representation under the present invention's many grinding head boards arch groove fluting apparatus embodiment is in fluting state;
Fig. 2 is the structural representation under the present invention's many grinding head boards arch groove fluting apparatus embodiment is in unslotted state;
Fig. 3 is the structural representation of grooving mechanism in the present invention's many grinding head boards arch groove fluting apparatus embodiment;
Fig. 4 is the stereogram of gear in the present invention's many grinding head boards arch groove fluting apparatus embodiment;
Fig. 5 is the top view of gear in the present invention's many grinding head boards arch groove fluting apparatus embodiment;
Fig. 6 is the upward view of gear in the present invention's many grinding head boards arch groove fluting apparatus embodiment.
Detailed description of the invention
In order to further illustrate principle of the present invention and structure, existing by reference to the accompanying drawings to a preferred embodiment of the present invention will be described in detail.
As shown in figures 1 to 6, the present embodiment many grinding head boards arch groove fluting apparatus, comprising: frame 1 and multiple fluting head (not shown) be arranged side by side; Fluting head comprises actuating unit (not shown), gear 3 and grooving 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 guide groove 121, and mounting platform 11 is between two bracing frames 12; Actuating unit comprises the first motor (not shown) and the second motor (not shown).
Wherein, two bracing frames 12 of frame 1 are for supporting sheet material to be processed, and sheet material is when slotting, sheet material is inserted in guide groove 121 and positions by operating personnel, grooving mechanism 2 is for carrying out slot treatment to sheet material, and gear 3 is for realizing grooving mechanism speed change fluting, concrete structure is described as follows:
Gear 3 comprises hollow shaft 31, cam disc 32 and speed change assembly 33, hollow shaft 31 is rotating to be connected on mounting platform 11, cam disc 32 offers through hole (not shown), hollow shaft 31 is inserted in through-holes, cam disc 32 is fixed on mounting platform 11, speed change assembly 33 comprises main turning arm 331, swing arm 332, connecting rod 333 and speed-changing rotation arm 334, one end of main turning arm 331 is fixed in hollow shaft 31, the other end of main turning arm 331 and an end of swing arm 332 hinged, one end of speed-changing rotation arm 334 is rotating to be connected in hollow shaft 31, connecting rod 333 is hinged with between speed-changing rotation arm 334 and swing arm 332, swing arm 332 is provided with rotating pulley 3321, pulley 3321 is resisted against the edge of cam disc 32, is provided with extension spring 335, first motor and hollow shaft 31 is in transmission connection between the end that swing arm 332 is connected with connecting rod 333 and main turning arm 331.Concrete, first motor is driven through hollow shaft 31 and rotates, drive speed change assembly 33 rotates relative to cam disc 32 by hollow shaft 31, and in rotation process, the second pulley 3321 in swing arm 332 coordinates with cam disc 32, will realize forming speed difference between speed-changing rotation arm 334 and main turning arm 331, thus makes the bistrique 23 in grooving mechanism 2 to carry out speed change cutting, avoid bistrique 23 perseverance turn and occur skid phenomenon, to improve working (machining) efficiency.Wherein, the end that main turning arm 331 is connected with hollow shaft 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 extension spring 335 pairs of swing arms 332 apply.In addition, hollow shaft 31 is connected with power input gear 311, power input gear 311 is connected with the first motor-driven.Coordinated with swing arm 332 by cam disc 32, rotate with the speed change realizing speed-changing rotation arm 334, overall structure is simple, and operational reliability is higher.Preferably, and cam disc 32 is also provided with bar hole 321, bolt (not shown) is inserted with in bar hole 321, cam disc 32 is bolted on support 100, by reasonably arranging the position of cam disc 32, can control the speed change of bistrique 23 on sheet material and position occurs, to meet sheet material that different materials formed to the requirement of polishing dynamics, when needs regulate bistrique 23 speed change that position occurs, can the position of loose bolts adjustment cam disc 32, just can realize.
Grooving mechanism 2 comprises rotary sleeve 21, telescopic shaft 22 and bistrique 23, the upper end of telescopic shaft 22 is conehead structure 221, telescopic shaft 22 is slidably connected in rotary sleeve 21 and hollow shaft 31, the top of rotary sleeve 21 is provided with mount pad 211, mount pad 211 offers the chute 214 towards surface thereof, slide in chute 214 and be provided with installing rack 212, bistrique 23 is dismountable to be connected on installing rack 212, installing rack 212 is also provided with the collar 213, the collar 213 is positioned at the top of rotary sleeve 21, and rotary sleeve 21 to be fixed on speed-changing rotation arm 334 and coaxially to arrange with hollow shaft 31; The bottom of telescopic shaft 22 overhanging go out hollow shaft 31, stretch out rotary sleeve 21 outside the upper end of telescopic shaft 22, the below of mounting platform 11 is also provided with rotating cam 13, and 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 rotating shaft 21 of grooving mechanism 2 is arranged on speed-changing rotation arm 334 and realizes speed change rotation, in rotary sleeve 2 rotation process, now, installing rack 212 outwards slides into the tail end of chute 214 by centrifugal action along chute 214, the below being positioned at sheet material is not contacted sheet material by bistrique 23, second motor driving cam 13 rotates to drive telescopic shaft 22 to move up, the end 221 of telescopic shaft 22 is made to be inserted in the collar 213, because the end 221 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, thus make installing rack 212 overcome centrifugal force band rotary bistrique 23 to complete feed motion, and bistrique 23 cuts sheet material while feed, thus the annular groove that cross section is arc can be formed, by reasonably arranging setting angle and the height of bistrique 23, the processing request of the annular groove of different specification size can be met, versatility is stronger.For the grinding head assembly 2 in Fig. 1, telescopic shaft 22 is inserted in the collar 213, the axis of the collar 213 and the dead in line of telescopic shaft 22; For the grinding head assembly 2 in Fig. 2, telescopic shaft 22 is positioned at the outside of the collar 213, the axis of the collar of the collar 213 and the center line of telescopic shaft 22 arranged in a crossed manner.Preferably, be 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, guarantees that bistrique 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.In addition, the top of rotary sleeve 21 is also provided with auxiliary mount pad 215, and auxiliary mount pad 215 is provided with balance weight 216, and auxiliary mount pad 215 is symmetrical arranged with mount pad 211.Concrete, in order to make rotary sleeve 21 to rotate stably, auxiliary mount pad 215 coordinates the centrifugal force that can balance mount pad 211 with balance weight 216, and rotary sleeve 21 can be rotated more stably.
Many grinding head boards arch groove fluting apparatus of the application, by arranging guide groove on bracing frame, guide groove is used for location when leading to sheet material and slot, and the power that the first motor exports drives the bistrique in grooving mechanism to rotate by gear, and gear introduces power by hollow shaft, and the power that hollow shaft is introduced is under the mating reaction of cam disc and speed change assembly, the rotary sleeve speed change in grooving mechanism can be made to rotate, thus make bistrique can form pulsed polishing, reduce bistrique and occur the phenomenon that idle running is dynamic; And grooving mechanism is driven the feeding realizing bistrique by the second motor, second motor is flexible 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 enter into the collar, and make bistrique carry out slot treatment near the sheet material being arranged in guide groove gradually, simultaneously, bistrique completes feed motion in the process rotated, can realize Formation cross-section on sheet material is the groove of arc, realize the yield rate improving many grinding head boards arch groove fluting apparatus, reduce the labour intensity of workman and improve working (machining) efficiency.
These are only better possible embodiments of the present invention, not limit the scope of the invention.All utilizations description of the present invention and the change of the equivalent structure done by accompanying drawing content, be all included in protection scope of the present invention.
Claims (4)
1. the arch groove of grinding head board a more than fluting apparatus, is characterized in that, comprising: frame and multiple fluting head be arranged side by side, described fluting head comprises actuating unit, gear and grooving mechanism, described frame is provided with mounting platform and two bracing frames, two support frames as described above are symmetrical arranged, and the inner side on support frame as described above top is provided with guide groove, and described mounting platform is between two support frames as described above, described actuating unit comprises the first motor and the second motor, described gear comprises hollow shaft, cam disc and speed change assembly, described hollow shaft is rotating to be connected on described mounting platform, described cam disc offers through hole, described hollow shaft is inserted in described through hole, described cam disc is fixed on described mounting platform, described speed change assembly comprises main turning arm, swing arm, connecting rod and speed-changing rotation arm, one end of described main turning arm is fixed in described hollow shaft, the other end of described main turning arm and an end of described swing arm hinged, one end of described speed-changing rotation arm is rotating to be connected in described hollow shaft, described connecting rod is hinged with between described speed-changing rotation arm and described swing arm, described swing arm is provided with rotating pulley, and described pulley is resisted against the edge of described cam disc, and be provided with extension spring between the end that described swing arm is connected with described connecting rod and described main turning arm, described first motor is connected with described Hollow Shaft Transmission, described grooving mechanism comprises rotary sleeve, telescopic shaft and bistrique, the upper end of described telescopic shaft is conehead structure, described telescopic shaft is slidably connected in described rotary sleeve and described hollow shaft, the top of described rotary sleeve is provided with mount pad, described mount pad offers the chute towards surface thereof, slide in described chute and be provided with installing rack, described bistrique is dismountable to be connected on described installing rack, described installing rack is also provided with the collar, the described collar is positioned at the top of described rotary sleeve, described rotary sleeve to be fixed on described speed-changing rotation arm and coaxially to arrange with described hollow shaft, described hollow shaft is stretched out outside the bottom of described telescopic shaft, described rotary sleeve is stretched out outside the upper end of described telescopic shaft, the below of described mounting platform is also provided with rotating cam, and the bottom of described telescopic shaft is resisted against on described cam, and described second motor is connected with described cam drive.
2. many grinding head boards arch groove fluting apparatus according to claim 1, is characterized in that, the bottom of described telescopic shaft is provided with rotating runner, and described runner is resisted against on described cam.
3. many grinding head boards arch groove fluting apparatus according to claim 1, is characterized in that, the top of described rotary sleeve is also provided with auxiliary mount pad, and described auxiliary mount pad is provided with balance weight, and described auxiliary mount pad and described mount pad are symmetrical arranged.
4. many grinding head boards arch groove fluting apparatus according to claim 1, is characterized in that, the end that described main turning arm is connected with described hollow shaft 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 |
|---|---|---|---|
| CN201410807861.0A CN104441110B (en) | 2014-12-23 | 2014-12-23 | Many grinding head boards arch groove fluting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410807861.0A CN104441110B (en) | 2014-12-23 | 2014-12-23 | Many grinding head boards arch groove fluting apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104441110A true CN104441110A (en) | 2015-03-25 |
| CN104441110B CN104441110B (en) | 2016-06-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410807861.0A Expired - Fee Related CN104441110B (en) | 2014-12-23 | 2014-12-23 | Many grinding head boards arch groove fluting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104441110B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111347512B (en) * | 2019-12-31 | 2021-11-19 | 沭阳安宏木制品厂 | Preparation process of half tenon-and-mortise structure at joint of wood product |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB233807A (en) * | 1923-04-16 | 1925-05-21 | Hans Jens Vilhelm Berthelsen | Improvements in machines for joinery work |
| FR597690A (en) * | 1924-12-29 | 1925-11-26 | Toronto Type Foundry Co Ltd | Improvements in friction control devices intended more especially for use in combination with machines for driving sheets of paper or the like |
| CN2088926U (en) * | 1991-06-28 | 1991-11-20 | 山东省威海市木工机械厂 | Device for making groove of miniature woodworking machine tool |
| JPH10323804A (en) * | 1997-05-23 | 1998-12-08 | Ryobi Ltd | Lumber working machine |
| CN203391059U (en) * | 2013-08-22 | 2014-01-15 | 金湖县唐港秦庄木材加工厂 | Longitudinal grooving machine for batten |
| CN203901448U (en) * | 2014-06-27 | 2014-10-29 | 何欢 | Grinder |
-
2014
- 2014-12-23 CN CN201410807861.0A patent/CN104441110B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB233807A (en) * | 1923-04-16 | 1925-05-21 | Hans Jens Vilhelm Berthelsen | Improvements in machines for joinery work |
| FR597690A (en) * | 1924-12-29 | 1925-11-26 | Toronto Type Foundry Co Ltd | Improvements in friction control devices intended more especially for use in combination with machines for driving sheets of paper or the like |
| CN2088926U (en) * | 1991-06-28 | 1991-11-20 | 山东省威海市木工机械厂 | Device for making groove of miniature woodworking machine tool |
| JPH10323804A (en) * | 1997-05-23 | 1998-12-08 | Ryobi Ltd | Lumber working machine |
| CN203391059U (en) * | 2013-08-22 | 2014-01-15 | 金湖县唐港秦庄木材加工厂 | Longitudinal grooving machine for batten |
| CN203901448U (en) * | 2014-06-27 | 2014-10-29 | 何欢 | Grinder |
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| Publication number | Publication date |
|---|---|
| CN104441110B (en) | 2016-06-22 |
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| C14 | Grant of patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Hongxing Inventor after: Wu Yueying Inventor after: Fan Shaozhou Inventor after: Zheng Liang Inventor after: Gao Yifeng Inventor after: Deng Guanghui Inventor after: Lin Yongqi Inventor after: Luo Bisui Inventor after: Fan Feixuan Inventor before: Zhan Caina |
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Effective date of registration: 20160531 Address after: 518048 Guangdong city of Shenzhen province Futian District spit Fuqiang Road Industrial Zone 105 apartment Applicant after: SHENZHEN WENYE DECORATION DESIGN ENGINEERING Co.,Ltd. Address before: 266109, room 1, unit 6, rose villa community, 602 village, Chengyang District, Qingdao, Shandong Applicant before: Zhan Caina |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518000 Shazui Industrial Zone, Fuqiang Road, Futian District, Shenzhen City, Guangdong Province, 105 whole buildings Patentee after: Shenzhen Literary Decoration Design Engineering Co.,Ltd. Address before: 518048 Shazui Industrial Zone, Fuqiang Road, Futian District, Shenzhen City, Guangdong Province, 105 whole buildings Patentee before: SHENZHEN WENYE DECORATION DESIGN ENGINEERING Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20211223 |