CN110614560B - Panel edge grinding device - Google Patents
Panel edge grinding device Download PDFInfo
- Publication number
- CN110614560B CN110614560B CN201911077918.5A CN201911077918A CN110614560B CN 110614560 B CN110614560 B CN 110614560B CN 201911077918 A CN201911077918 A CN 201911077918A CN 110614560 B CN110614560 B CN 110614560B
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- Prior art keywords
- plate
- polishing
- movable
- fixedly connected
- screw
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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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/002—Machines or devices using grinding or polishing belts; Accessories therefor for grinding edges or bevels
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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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/008—Machines comprising two or more tools or having several working posts
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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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
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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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention discloses a board corner polishing device, relates to the technical field of board processing, and aims to solve the problems that the polishing efficiency is lower due to manual operation during chamfer polishing of the existing wood board, the manual operation has large dust, and is not beneficial to the health of workers, and meanwhile, the manual polishing operation also needs manual operation for fixing the board. The distance between the polishing belt and the placing table can be conveniently adjusted, so that plates with different sizes can be conveniently polished, the plates can be tightly pressed and fixed when being drawn together for polishing, time and labor are saved, manual operation is not needed, and the plate polishing machine is beneficial to the health of workers.
Description
Technical Field
The invention relates to the technical field of plate processing, in particular to a plate corner polishing device.
Background
After the plate is produced, the chamfer of the plate needs to be polished, the chamfer is sharp after the plate is cut and formed, particularly, some burrs are easily remained on the chamfer after the plate is cut, the burrs easily pierce the hands of workers, when the chamfer of the plate is polished, a manual polishing mode is generally adopted, the efficiency of manual polishing is low, only one corner of the plate can be polished at a time, and dust is large during manual polishing and is not beneficial to the health of the workers.
Disclosure of Invention
The plate corner polishing device provided by the invention solves the problems that the polishing efficiency is lower due to manual operation during chamfer polishing of the existing wood plate, the manual operation has large dust, the body health of workers is not facilitated, and meanwhile, the plate needs to be manually fixed during the manual polishing operation.
In order to achieve the purpose, the invention adopts the following technical scheme:
a plate corner polishing device comprises a mounting plate, wherein a placing table is mounted at the top of the mounting plate, a driving mechanism is arranged above the placing table, a fixing device is arranged below the driving mechanism, four polishing devices are arranged on an outer ring array of the placing table in a sliding mode and are arranged at the top of the mounting plate, and the polishing devices are connected with the driving mechanism;
the driving mechanism comprises a double-shaft motor, a first screw and a second screw, the end of an output shaft at the top of the double-shaft motor is fixedly connected with the first screw, a lifting plate is sleeved on an outer ring thread of the first screw, four pull rods are hinged to the outer part of the lifting plate, one ends of the pull rods, far away from the lifting plate, are connected with a polishing device, and the second screw is installed on an output shaft at the bottom end of the double-shaft motor;
the fixing device comprises a threaded pipe, a bottom plate, third springs and an extrusion plate, the threaded pipe is sleeved on the outer ring of the second screw in a threaded manner, the bottom end of the threaded pipe is provided with the bottom plate, the bottom of the bottom plate is connected with the plurality of third springs in an array manner, and the bottom ends of the third springs are connected with the extrusion plate;
grinding device includes fly leaf, movable block, the area of polishing and driving motor, the fly leaf is close to the one side of placing the platform and is articulated with the pull rod, the inside movable sleeve of fly leaf is equipped with two movable blocks, the top of movable block is rotated and is connected with the area of polishing, one the top of movable block is connected with the driving motor with fly leaf sliding connection, and is same inside two of fly leaf be connected with straining device between the movable block.
Preferably, the bottom of the double-shaft motor is fixedly connected with two sleeves, a guide rod is movably sleeved inside the sleeves, and the bottom end of the guide rod is fixedly connected with the bottom plate.
Preferably, the cross-sectional area of the extrusion plate is larger than that of the bottom plate, the top of the extrusion plate is fixedly connected with two limiting plates, the vertical sections of the limiting plates are of an L-shaped structure, and a rubber pad is bonded to the bottom of the extrusion plate.
Preferably, the mounting groove has been seted up to the inside of fly leaf, straining device includes dog and second spring, the inner wall fixed connection of dog and mounting groove, the both sides of dog are connected with the second spring, and the second spring keeps away from the one end of dog and is connected with the movable block.
Preferably, the below of fly leaf is equipped with the spout of seting up in the mounting panel top, one side inner wall connection that the platform was kept away from to the spout has first spring, the one end that first spring is close to the platform of placing is connected with the slider of slidable mounting in the inside spout, and the top and the fly leaf fixed connection of slider, the perpendicular cross-section of spout and slider is T type structure.
Preferably, the backup pad is installed to the top both sides of mounting panel, the roof is installed at the top of backup pad, the bottom fixedly connected with bearing of roof, and the fixed cover in bearing of establishing in the top of first screw rod.
Preferably, two the fixed plate is all installed to the one side that the backup pad is close to each other, two one side that the fixed plate is close to each other and biax motor fixed connection, two the arc wall has all been seted up to one side that the fixed plate is close to each other, the connecting hole that runs through the fixed plate is seted up to the inner wall of arc wall, and pull rod through connection hole.
Preferably, the top of movable block rotates and is connected with the fixed axle that sets up along vertical direction, the fixed cover in outer lane of fixed axle is equipped with the belt pulley, and polishes the belt sleeve and establish on the belt pulley, driving motor's output shaft end and fixed axle fixed connection.
Preferably, one side of the movable plate, which is close to the placing table, is provided with a movable hole along the length direction, the polishing belt penetrates through the movable hole, the top of the movable plate is provided with a through hole along the length direction, an output shaft of the driving motor penetrates through the through hole, the outer wall of the top of the movable plate is provided with a guide groove along the length direction, a guide block is slidably mounted inside the guide groove, and the top of the guide block is fixedly connected with the driving motor.
Compared with the prior art, the invention has the beneficial effects that:
1. by arranging the driving mechanism, the double-shaft motor on the driving mechanism drives the first screw rod and the second screw rod to rotate, and the first screw rod drives the polishing device to move through the lifting plate and the pull rod, so that the distance from the polishing device to the placing table can be adjusted, and polishing is facilitated;
2. by arranging the fixing device, the screwed pipe on the fixing device can move downwards under the rotation of the second screw driven by the double-shaft motor, so that the screwed pipe drives the bottom plate to move downwards, and the bottom plate drives the third spring and the extrusion plate to move downwards, so that the extrusion plate can compress and fix the plate, the plate can be automatically fixed during polishing conveniently without manual fixation, and convenience and rapidness are realized;
3. by arranging the polishing device, the movable block on the polishing device slides in the movable plate, and the second spring provides tension for the movable block, so that the movable block tensions the polishing belt, the polishing belt can provide larger friction force when contacting with a chamfer of a plate, polishing is facilitated, and the movable block slides in the movable plate for adjusting the distance, so that plates with different sizes can be polished conveniently;
to sum up, the device modern design, easy operation conveniently adjusts the distance of polishing the area to placing the platform to conveniently polish to not unidimensional panel, still compress tightly fixedly to panel when drawing close polishing moreover, labour saving and time saving does not need manual operation, is favorable to that the staff's is healthy.
Drawings
Fig. 1 is a schematic front view of a plate corner polishing device according to the present invention;
fig. 2 is a schematic top view of a plate corner polishing device according to the present invention;
fig. 3 is a schematic top view of a fixing plate of the polishing device for plate corners according to the present invention;
fig. 4 is a schematic front view of a movable plate of the polishing device for edge angles of sheet materials according to the present invention.
In the figure: the device comprises a mounting plate 1, a placing table 2, a sliding chute 3, a first spring 4, a sliding block 5, a movable plate 6, a mounting groove 7, a movable block 8, a second spring 9, a polishing belt 10, a driving motor 11, a supporting plate 12, a fixed plate 13, a double-shaft motor 14, a first screw rod 15, a lifting plate 16, a pull rod 17, a second screw rod 18, a threaded pipe 19, a bottom plate 20, a guide rod 21, a sleeve 22, a third spring 23, a squeezing plate 24, a top plate 25, a stop dog 26 and a limiting plate 27.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a plate corner polishing device comprises a mounting plate 1, wherein a placing table 2 is mounted at the top of the mounting plate 1, a driving mechanism is arranged above the placing table 2, a fixing device is arranged below the driving mechanism, four polishing devices are arranged on an outer ring array of the placing table 2, the polishing devices are arranged at the top of the mounting plate 1 in a sliding manner and are connected with the driving mechanism;
the driving mechanism comprises a double-shaft motor 14, a first screw rod 15 and a second screw rod 18, the tail end of an output shaft at the top of the double-shaft motor 14 is fixedly connected with the first screw rod 15, an outer ring thread of the first screw rod 15 is sleeved with a lifting plate 16, four pull rods 17 are hinged to the outer part of the lifting plate 16, one ends, far away from the lifting plate 16, of the pull rods 17 are connected with a polishing device, and the output shaft at the bottom end of the double-shaft motor 14 is provided with the second screw rod 18;
the fixing device comprises a threaded pipe 19, a bottom plate 20, third springs 23 and an extrusion plate 24, the threaded pipe 19 is sleeved on the outer ring of the second screw 18 in a threaded manner, the bottom end of the threaded pipe 19 is provided with the bottom plate 20, the bottom of the bottom plate 20 is connected with the plurality of third springs 23 in an array manner, and the bottom ends of the third springs 23 are connected with the extrusion plate 24;
grinding device includes fly leaf 6, movable block 8, the area 10 and driving motor 11 of polishing, and fly leaf 6 is close to the one side of placing platform 2 and is articulated with pull rod 17, and the inside movable sleeve of fly leaf 6 is equipped with two movable blocks 8, and the top of movable block 8 is rotated and is connected with the area 10 of polishing, and the top of a movable block 8 is connected with driving motor 11 with fly leaf 6 sliding connection, is connected with straining device between two movable blocks 8 of same fly leaf 6 inside.
The bottom of the double-shaft motor 14 is fixedly connected with two sleeves 22, the inside of the sleeves 22 is movably sleeved with a guide rod 21, the bottom end of the guide rod 21 is fixedly connected with the bottom plate 20, the cross-sectional area of the extrusion plate 24 is larger than that of the bottom plate 20, the top of the extrusion plate 24 is fixedly connected with two limiting plates 27, the vertical cross section of each limiting plate 27 is of an L-shaped structure, a rubber pad is bonded at the bottom of the extrusion plate 24, a mounting groove 7 is formed in the movable plate 6, a tensioning mechanism comprises a stop 26 and a second spring 9, the stop 26 is fixedly connected with the inner wall of the mounting groove 7, the two sides of the stop 26 are connected with the second spring 9, one end, away from the stop 26, of the second spring 9 is connected with the movable block 8, a chute 3 formed in the top of the mounting plate 1 is arranged below the movable plate 6, one side, away from the placing table 2, of the chute 3, the top of the sliding block 5 is fixedly connected with the movable plate 6, the vertical sections of the sliding chute 3 and the sliding block 5 are of a T-shaped structure, the two sides of the top of the mounting plate 1 are provided with supporting plates 12, the top of the supporting plates 12 is provided with a top plate 25, the bottom of the top plate 25 is fixedly connected with a bearing, the top end of the first screw 15 is fixedly sleeved in the bearing, one sides of the two supporting plates 12 close to each other are provided with fixing plates 13, one sides of the two fixing plates 13 close to each other are fixedly connected with a double-shaft motor 14, one sides of the two fixing plates 13 close to each other are provided with arc grooves, the inner walls of the arc grooves are provided with connecting holes penetrating through the fixing plates 13, the pull rod 17 penetrates through the connecting holes, the top of the movable block 8 is rotatably connected with a fixing shaft arranged along the vertical direction, the, the movable hole has been seted up along its length direction to one side that fly leaf 6 is close to placing platform 2, and the area 10 of polishing runs through the movable hole, and the through-hole has been seted up along its length direction in the top of fly leaf 6, and driving motor 11's output shaft runs through the through-hole, and the guide way has been seted up along its length direction in the top outer wall of fly leaf 6, and the inside slidable mounting of guide way has the guide block, and the top and the driving motor 11 fixed connection of guide block.
In this embodiment, first, by providing a driving mechanism, the dual-axis motor 14 on the driving mechanism drives the first screw 15 and the second screw 18 to rotate, since the first screw 15 and the second screw 18 are both provided with partial threads, and the threads on the second screw 18 are more than the threads on the first screw 15, and the first screw 15 drives the polishing device to move through the lifting plate 16 and the pull rod 17, so as to adjust the distance from the polishing device to the placing table 2, thereby facilitating polishing, by providing a fixing device, the threaded pipe 19 on the fixing device can move downward by the rotation of the dual-axis motor 14 driving the second screw 18, so that the threaded pipe 19 can drive the bottom plate 20 to move downward, and when the lifting plate 16 moves upward to disengage from the first screw 15, since the threads on the second screw 18 are more than the threads on the first screw 15, the threaded pipe 19 can still continuously mesh with the second screw 18 to move downward, and bottom plate 20 drives third spring 23 and stripper plate 24 again and moves down, can make stripper plate 24 compress tightly fixedly with panel like this, thereby it is convenient when polishing to panel automatic fixation, do not need manual fixed, convenient and fast, guide bar 21 can lead moving down of bottom plate 20, through setting up grinding device, last movable block 8 of grinding device slides in fly leaf 6, provide pulling force to movable block 8 through second spring 9, thereby make movable block 8 will polish area 10 tensioning, it can provide great frictional force when the chamfer contact with panel to polish area 10 like this, thereby be favorable to polishing, and movable block 8 slides the regulation distance in fly leaf 6, also conveniently polish the panel of equidimension not.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The plate corner polishing device comprises a mounting plate (1), wherein a placing table (2) is mounted at the top of the mounting plate (1), and is characterized in that a driving mechanism is arranged above the placing table (2), a fixing device is arranged below the driving mechanism, four polishing devices are arranged on an outer ring array of the placing table (2), the polishing devices are arranged at the top of the mounting plate (1) in a sliding manner, and the polishing devices are connected with the driving mechanism;
the driving mechanism comprises a double-shaft motor (14), a first screw (15) and a second screw (18), the tail end of an output shaft at the top of the double-shaft motor (14) is fixedly connected with the first screw (15), an outer ring of the first screw (15) is sleeved with a lifting plate (16) in a threaded manner, four pull rods (17) are hinged to the outer portion of the lifting plate (16), one ends, far away from the lifting plate (16), of the pull rods (17) are connected with a polishing device, and the output shaft at the bottom end of the double-shaft motor (14) is provided with the second screw (18);
the fixing device comprises a threaded pipe (19), a bottom plate (20), third springs (23) and an extrusion plate (24), the threaded pipe (19) is sleeved on an outer ring thread of the second screw (18), the bottom end of the threaded pipe (19) is provided with the bottom plate (20), the bottom of the bottom plate (20) is connected with the third springs (23) in an array mode, and the bottom end of each third spring (23) is connected with the extrusion plate (24);
grinding device includes fly leaf (6), movable block (8), area (10) and driving motor (11) of polishing, one side that fly leaf (6) are close to and place platform (2) is articulated with pull rod (17), the inside movable sleeve of fly leaf (6) is equipped with two movable block (8), the top of movable block (8) is rotated and is connected with area (10), one the top of movable block (8) is connected with driving motor (11) with fly leaf (6) sliding connection, and is same inside two of fly leaf (6) be connected with straining device between movable block (8).
2. The plate corner grinding device according to claim 1, characterized in that two sleeves (22) are fixedly connected to the bottom of the double-shaft motor (14), a guide rod (21) is movably sleeved inside the sleeves (22), and the bottom end of the guide rod (21) is fixedly connected with the bottom plate (20).
3. The plate corner grinding device according to claim 1, wherein the cross-sectional area of the extrusion plate (24) is larger than that of the bottom plate (20), two limiting plates (27) are fixedly connected to the top of the extrusion plate (24), the vertical section of each limiting plate (27) is of an L-shaped structure, and a rubber pad is bonded to the bottom of the extrusion plate (24).
4. The plate corner grinding device according to claim 1, characterized in that a mounting groove (7) is formed in the movable plate (6), the tensioning mechanism comprises a stopper (26) and a second spring (9), the stopper (26) is fixedly connected with the inner wall of the mounting groove (7), the second spring (9) is connected to two sides of the stopper (26), and one end, far away from the stopper (26), of the second spring (9) is connected with the movable block (8).
5. The plate corner grinding device according to claim 1, characterized in that a sliding groove (3) formed in the top of the mounting plate (1) is formed below the movable plate (6), a first spring (4) is connected to the inner wall of one side, far away from the placing table (2), of the sliding groove (3), a sliding block (5) slidably mounted inside the sliding groove (3) is connected to one end, close to the placing table (2), of the first spring (4), the top of the sliding block (5) is fixedly connected with the movable plate (6), and the vertical sections of the sliding groove (3) and the sliding block (5) are both of a T-shaped structure.
6. The plate corner grinding device according to claim 1, wherein supporting plates (12) are mounted on two sides of the top of the mounting plate (1), a top plate (25) is mounted on the top of the supporting plates (12), a bearing is fixedly connected to the bottom of the top plate (25), and the top end of the first screw (15) is fixedly sleeved in the bearing.
7. The plate corner grinding device according to claim 6, characterized in that the fixing plates (13) are mounted on the sides of the two supporting plates (12) close to each other, the sides of the two fixing plates (13) close to each other are fixedly connected with the double-shaft motor (14), the sides of the two fixing plates (13) close to each other are provided with arc-shaped grooves, the inner walls of the arc-shaped grooves are provided with connecting holes penetrating through the fixing plates (13), and the pull rods (17) penetrate through the connecting holes.
8. The plate corner grinding device according to claim 1, wherein a fixed shaft arranged in a vertical direction is rotatably connected to the top of the movable block (8), a belt pulley is fixedly sleeved on the outer ring of the fixed shaft, a grinding belt (10) is sleeved on the belt pulley, and the tail end of the output shaft of the driving motor (11) is fixedly connected with the fixed shaft.
9. The plate corner grinding device according to claim 1, characterized in that one side of the movable plate (6) close to the placing table (2) is provided with a movable hole along the length direction thereof, the grinding belt (10) penetrates through the movable hole, the top of the movable plate (6) is provided with a through hole along the length direction thereof, the output shaft of the driving motor (11) penetrates through the through hole, the outer wall of the top of the movable plate (6) is provided with a guide groove along the length direction thereof, a guide block is slidably mounted inside the guide groove, and the top of the guide block is fixedly connected with the driving motor (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911077918.5A CN110614560B (en) | 2019-11-06 | 2019-11-06 | Panel edge grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911077918.5A CN110614560B (en) | 2019-11-06 | 2019-11-06 | Panel edge grinding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110614560A CN110614560A (en) | 2019-12-27 |
| CN110614560B true CN110614560B (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911077918.5A Active CN110614560B (en) | 2019-11-06 | 2019-11-06 | Panel edge grinding device |
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| CN (1) | CN110614560B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111195848B (en) * | 2020-02-11 | 2021-06-18 | 何炳朋 | Wooden strip table support column polishing equipment |
| CN111730449B (en) * | 2020-07-01 | 2021-12-17 | 郴州晶鑫钢化玻璃有限公司 | Glass apron corner R angle equipment of polishing |
| CN112917331B (en) * | 2021-01-27 | 2022-02-18 | 青岛融合光电科技有限公司 | Glass spare four corners apparatus for producing that polishes |
| CN113070739B (en) * | 2021-04-02 | 2023-01-13 | 智创未来科技发展有限公司 | Manufacturing and processing method of industrial robot bearing |
| CN113059449B (en) * | 2021-04-14 | 2022-02-18 | 南京林业大学 | Furniture connecting tenon wood structure forming finish machining equipment |
| CN113492344B (en) * | 2021-09-08 | 2021-11-05 | 南通海峰家居用品有限公司 | Corner treatment facility is used in plastic products processing |
| CN114454014B (en) * | 2022-03-02 | 2023-03-17 | 卜华伟 | Automatic multiaspect simultaneous polishing equipment of work piece |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273395B (en) * | 2013-06-13 | 2015-05-27 | 河南理工大学 | Linear big-chamfer glass edge grinding machine |
| CN205096959U (en) * | 2015-10-26 | 2016-03-23 | 苏州国量量具科技有限公司 | Chamfer grinding device |
| KR101860709B1 (en) * | 2016-07-21 | 2018-05-24 | 주식회사 포톤 | Batch grinding method number of glass, grinding module and grinding apparatus comprising the same |
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2019
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Application publication date: 20191227 Assignee: HUZHOU AIXIANTE ELECTRONIC TECHNOLOGY Co.,Ltd. Assignor: HUZHOU TEACHERS College Contract record no.: X2022330000776 Denomination of invention: A kind of edge and corner grinding device for sheet metal Granted publication date: 20201211 License type: Common License Record date: 20221214 |
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Application publication date: 20191227 Assignee: HUZHOU QIYU AUTO PARTS CO.,LTD. Assignor: HUZHOU TEACHERS College Contract record no.: X2023990000119 Denomination of invention: A plate edge grinding device Granted publication date: 20201211 License type: Exclusive License Record date: 20230112 |
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