CN112720088A - Double-sided knife grinder - Google Patents
Double-sided knife grinder Download PDFInfo
- Publication number
- CN112720088A CN112720088A CN202011581729.4A CN202011581729A CN112720088A CN 112720088 A CN112720088 A CN 112720088A CN 202011581729 A CN202011581729 A CN 202011581729A CN 112720088 A CN112720088 A CN 112720088A
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- CN
- China
- Prior art keywords
- rod
- double
- sliding
- sliding seat
- rotating 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.)
- Pending
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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
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
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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
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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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
- 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
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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
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to the technical field of knife sharpeners, and discloses a double-sided knife sharpener which comprises a bottom plate, wherein supporting plates are arranged at the left end and the right end of the upper surface of the bottom plate, a second guide rod is arranged at the upper part of each supporting plate, the middle part of each second guide rod is slidably connected with a second sliding seat, a clamp is arranged at the lower part of each second sliding seat, a lead screw is arranged at the lower part of each supporting plate, the left side and the right side of each lead screw are in threaded connection with the middle part of each first sliding seat, the upper part of each first sliding seat is rotatably connected with the lower end of each supporting rod, the upper end of each supporting rod is rotatably connected with the lower part of each rotating seat, a first fixing plate is arranged at the middle part of each supporting plate, one end, close to the center of a device, of each first fixing plate is rotatably connected with the upper. The double-side grinding machine is suitable for a double-side grinding machine, and the second sliding seat can drive the cutter to move left and right, so that the cutter can be ground on two sides in one clamping process.
Description
Technical Field
The invention relates to the technical field of knife sharpeners, in particular to a double-sided knife sharpener.
Background
The sharpeners were originally called end face sharpeners and were mainly gantry-type in structure. Mainly aims at the following steps: enterprise users of mechanisms such as a sharpening center, a forest industry, a printing factory, paper-making plastics, a book printing center, a medium-sized sharpening house and the like. The main types are: full-automatic sharpeners, precision sharpeners, numerically controlled sharpeners, woodworking sharpeners, special scraper sharpeners for scrapers, printing sharpeners, paper cutters, multi-functional sharpeners, dual-grinding-head sharpeners, circular-knife sharpeners, and the like.
The cutting edge part of ordinary cutter all is bilateral symmetry, therefore the cutter left and right sides all need polish the processing to the angle of polishing is all fixed, in order to improve the efficiency of polishing, needs to design a section can carry out the device that two-sided was polished, makes the cutter left and right sides all can polish the processing.
Disclosure of Invention
The invention provides a double-sided knife sharpener, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a two-sided sharpedge grinding machine, includes the bottom plate, and both ends are equipped with the backup pad about the upper surface of bottom plate, and the upper portion of backup pad is equipped with the second guide bar, and the middle part sliding connection second sliding seat of second guide bar, the lower part of second sliding seat are equipped with anchor clamps, the lower part of backup pad is equipped with the lead screw, the middle part of the first sliding seat of left and right sides threaded connection of lead screw, and the lower extreme of joint support pole is rotated on the upper portion of first sliding seat, and the upper end of bracing piece is rotated and is connected the lower part of rotating the seat, the middle part of backup pad is equipped with first fixed plate, and the one end that is close to the device center of first fixed plate is rotated and is connected the upper portion of rotating the seat, rotates the middle part sliding connection sliding frame of rotating the.
As a preferable technical scheme of the invention, the rear end of the sliding frame is provided with a driving motor, an output shaft of the driving motor is fixedly connected with the rear end of the second rotating shaft, the front end of the second rotating shaft is provided with a first bevel gear, the first bevel gear is meshed with a second bevel gear, and the second bevel gear is fixedly connected with the middle part of the third rotating shaft.
As a preferable technical scheme of the invention, a second fixing plate is arranged at the rear side of the sliding frame, and the middle part of the second fixing plate is rotatably connected with the middle part of the second rotating shaft.
As a preferable technical scheme of the invention, the front end of the sliding frame is provided with a pull rod.
As a preferable technical scheme of the invention, the left side and the right side of the screw rod are provided with threads with opposite screwing directions.
As a preferable technical solution of the present invention, the lower portion of the first sliding seat is slidably connected to the left and right sides of the first guide bar, and the left and right ends of the first guide bar are fixedly connected to the bottom of the support plate.
As a preferable technical scheme of the invention, the upper part of the second sliding seat is connected with the middle part of the sliding rod in a sliding way, and the left end and the right end of the sliding rod are provided with the stop rods.
As a preferred technical solution of the present invention, a spring is disposed between the stop lever and the second sliding seat, and the spring is sleeved outside the sliding lever.
As a preferred technical scheme of the invention, the top of the supporting plate is provided with a fixed rod, the middle part of the fixed rod is provided with a first rotating shaft, and the middle part of the first rotating shaft is rotatably connected with the middle part of the rotating rod.
As a preferred technical scheme of the invention, the lower end of the rotating rod is rotatably connected with the limiting block, and the upper end of the stop rod is provided with a stop block matched with the limiting block.
The invention has the following advantages:
the double-side grinding device is suitable for a double-side knife grinder, the first sliding seat is driven to move through the facility screw rod, so that the angle of the grinding head can be adjusted, the device can adapt to cutters with different blade shapes, the second sliding seat can drive the cutters to move left and right, double-side grinding of the cutters after one-time clamping is achieved, grinding efficiency is improved on one hand, and meanwhile, the whole grinding precision can be improved through one-time clamping.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a double-sided knife sharpener.
Fig. 2 is a front view of a double-sided knife sharpener.
Fig. 3 is a schematic structural view of a sliding frame of a double-sided knife grinder.
Fig. 4 is a schematic structural view of a second sliding seat of a double-sided knife grinder.
Fig. 5 is a partially enlarged view of a in fig. 4.
Fig. 6 is a front view of fig. 4.
In the figure: 1. a base plate; 2. a support plate; 3. a first guide bar; 4. a screw rod; 5. a first sliding seat; 6. a support bar; 7. a first fixing plate; 8. a rotating seat; 9. a second guide bar; 10. a second sliding seat; 11. fixing the rod; 12. a first rotating shaft; 13. rotating the rod; 14. a sliding frame; 15. a drive motor; 16. a second rotating shaft; 17. a second fixing plate; 18. a first bevel gear; 19. polishing head; 20. a second bevel gear; 21. a third rotating shaft; 22. a pull rod; 23. a clamp; 24. a spring; 25. a slide bar; 26. a gear lever; 27. a stopper; 28. and a limiting block.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-6, a double-side knife sharpener includes a bottom plate 1, supporting plates 2 are disposed at the left and right ends of the upper surface of the bottom plate 1, a second guiding rod 9 is disposed at the upper portion of the supporting plate 2, a second sliding seat 10 is slidably connected to the middle portion of the second guiding rod 9, and a clamp 23 is disposed at the lower portion of the second sliding seat 10. The upper part of the second sliding seat 10 is slidably connected to the middle part of the sliding rod 25, and the left and right ends of the sliding rod 25 are provided with stop rods 26. The top of backup pad 2 is equipped with dead lever 11, and the middle part of dead lever 11 is equipped with first pivot 12, and the middle part of connecting dwang 13 is rotated in the middle part of first pivot 12. A spring 24 is disposed between the stop lever 26 and the second sliding seat 10, and the spring 24 is sleeved outside the sliding rod 25. Through setting up spring 24 and slide bar 25 for shelves pole 26 is at the in-process that drives the removal of second sliding seat 10, and spring 24 can receive compression deformation, if the part that meets the cutting edge has the arch or user operation mistake in the in-process of polishing this moment, and second sliding seat 10 can slight removal, thereby has improved whole device security, has avoided the problem that the head 19 of polishing directly damages the cutter.
The lower part of the supporting plate 2 is provided with a screw rod 4, the left side and the right side of the screw rod 4 are provided with threads with opposite turning directions, the left side and the right side of the screw rod 4 are in threaded connection with the middle part of the first sliding seat 5, the left side and the right side of the screw rod 4 are provided with the threads with opposite turning directions, so that the two first sliding seats 5 can synchronously rotate in the rotating process of the screw rod 4, the angle adjusting process of the polishing head 19 arranged on the left side and the right side is synchronous, when the polishing head 19 is used for polishing in the later period, the angles of the left side and the right side of the cutting edge are the same, the processing effect of the product is better, if cutting edges with different angles are needed, the positions of the first sliding seats 5 on the left side and the right side can be adjusted when the first sliding seats 5 are installed, so that the two first sliding seats 5 are not bilaterally symmetrical, therefore, the adjusting device can be freely adjusted, the lower part of the first sliding seat 5 is slidably connected with the left side and the right side of the first guide rod 3, the left end and the right end of the first guide rod 3 are fixedly connected with the bottom of the supporting plate 2, the upper part of the first sliding seat 5 is rotatably connected with the lower end of the supporting rod 6, the upper end of the supporting rod 6 is rotatably connected with the lower part of the rotating seat 8, the middle part of the supporting plate 2 is provided with a first fixing plate 7, one end, close to the center of the device, of the first fixing plate 7 is rotatably connected with the upper part of the rotating seat 8, and the middle part of the rotating. The sliding frame 14 can slide back and forth along the rotating seat 8, so that the sliding frame 14 and the rotating seat 8 are polygonal in section at the sliding position, the sliding frame 14 can also stably rotate along with the rotating seat 8 in the rotating process, and the angle of the sliding frame 14 is not influenced when the sliding frame 14 moves back and forth.
The middle part of the sliding frame 14 is rotatably connected with a third rotating shaft 21, and one end of the third rotating shaft 21 close to the center of the device is provided with a polishing head 19. The rear end of the sliding frame 14 is provided with a driving motor 15, an output shaft of the driving motor 15 is fixedly connected with the rear end of a second rotating shaft 16, the front end of the second rotating shaft 16 is provided with a first bevel gear 18, the first bevel gear 18 is meshed with a second bevel gear 20, and the second bevel gear 20 is fixedly connected with the middle part of a third rotating shaft 21. The rear side of the sliding frame 14 is provided with a second fixing plate 17, and the middle part of the second fixing plate 17 is rotatably connected with the middle part of the second rotating shaft 16. The front end of the sliding frame 14 is provided with a pull rod 22.
Example two
Referring to fig. 5, the other contents of the present embodiment are the same as those of the first embodiment, except that: the lower end of the rotating rod 13 is rotatably connected with a limiting block 28, and the upper end of the link rod 26 is provided with a stop block 27 matched with the limiting block 28. The swing from side to side of dwang 13 can promote shelves pole 26 and remove, in order to improve the stability of removing, can set up dog 27 and stopper 28 for the dwang 13 stirs the in-process that shelves pole 26 removed more stable, prevents the problem of skidding.
In the implementation process of the invention, firstly, a cutter is fixed at the lower part of a clamp 23, and the cutting edge to be polished is ensured to be positioned at the central position of the device, at the moment, a screw rod 4 is rotated, because the left side and the right side of the screw rod 4 are provided with threads with opposite rotation directions, two first sliding seats 5 move close to each other or move away from each other in the rotation process of the screw rod 4, a rotating seat 8 is pushed to rotate by a supporting rod 6 in the moving process of the first sliding seats 5, the rotating seat 8 drives a polishing head 19 to deflect at an angle, so that the angle adjustment effect of the polishing head 19 is realized, and the angles of the polishing heads 19 at the left side and the right side are symmetrical, at the moment, the adjustment of the whole.
The driving motor 15 is started, the output shaft of the driving motor 15 drives the polishing head 19 to rotate at a high speed through the first bevel gear 18 and the second bevel gear 20 which are connected in a meshed mode, the rotating rod 13 is pulled to one side, the rotating rod 13 is in contact with the stop lever 26 in the rotating process, the stop lever 26 is pushed to move, the stop lever 26 pulls the second sliding seat 10 to move through the sliding rod 25 and the spring 24, the cutter starts to move, the cutter is in contact with the polishing head 19 on one side and starts to polish, the pull rod 22 can be held to move the sliding frame 14 back and forth, the polishing head 19 moves back and forth, the polishing area of the blade is increased, after polishing on one side is completed, the rotating rod 13 can be rotated reversely, the second sliding seat 10 moves to the other side, polishing on the other side of the cutter is performed, and double-side polishing.
The invention is suitable for a double-sided knife grinder, the facility screw rod 4 drives the first sliding seat 5 to move, so that the angle of the polishing head 19 can be adjusted, the device can adapt to cutters with different blade shapes, and the second sliding seat 10 can drive the cutters to move left and right, so that the double-sided polishing of the cutters after one-time clamping is realized, the polishing efficiency is improved, and meanwhile, the whole polishing precision can be improved by one-time clamping.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. A double-side knife sharpener comprises a bottom plate (1), wherein supporting plates (2) are arranged at the left end and the right end of the upper surface of the bottom plate (1), a second guide rod (9) is arranged on the upper portion of each supporting plate (2), the middle portion of each second guide rod (9) is connected with a second sliding seat (10) in a sliding mode, a clamp (23) is arranged on the lower portion of each second sliding seat (10), a lead screw (4) is arranged on the lower portion of each supporting plate (2), the left side and the right side of each lead screw (4) are in threaded connection with the middle portion of a first sliding seat (5), the upper portion of each first sliding seat (5) is rotatably connected with the lower end of a supporting rod (6), the upper end of each supporting rod (6) is rotatably connected with the lower portion of a rotating seat (8), a first fixing plate (7) is arranged on the middle portion of each supporting plate (2), one end, close to the center of each first fixing plate (7), is rotatably connected with, the middle part of the sliding frame (14) is rotatably connected with a third rotating shaft (21), and one end of the third rotating shaft (21) close to the center of the device is provided with a polishing head (19).
2. The double-sided knife sharpener according to claim 1, wherein a driving motor (15) is arranged at the rear end of the sliding frame (14), an output shaft of the driving motor (15) is fixedly connected with the rear end of the second rotating shaft (16), a first bevel gear (18) is arranged at the front end of the second rotating shaft (16), the first bevel gear (18) is meshed with a second bevel gear (20), and the second bevel gear (20) is fixedly connected with the middle part of the third rotating shaft (21).
3. The double-sided knife sharpener according to claim 2, wherein a second fixing plate (17) is arranged at the rear side of the sliding frame (14), and the middle part of the second fixing plate (17) is rotatably connected with the middle part of the second rotating shaft (16).
4. The double-sided knife sharpener according to claim 1 or 2, characterized in that the front end of the sliding frame (14) is provided with a pull rod (22).
5. The double-sided knife sharpener according to claim 1, wherein the left and right sides of the screw rod (4) are provided with threads with opposite turning directions.
6. The double-sided knife sharpener according to claim 5, wherein the lower portion of the first sliding seat (5) is slidably connected to the left and right sides of the first guide rod (3), and the left and right ends of the first guide rod (3) are fixedly connected to the bottom of the support plate (2).
7. The double-sided knife sharpener according to claim 1, wherein the upper portion of the second sliding seat (10) is slidably connected to the middle portion of the sliding rod (25), and the left and right ends of the sliding rod (25) are provided with stop rods (26).
8. The double-sided knife sharpener according to claim 7, wherein a spring (24) is disposed between the blocking rod (26) and the second sliding seat (10), and the spring (24) is sleeved outside the sliding rod (25).
9. The double-sided knife sharpener according to claim 8, wherein the top of the supporting plate (2) is provided with a fixing rod (11), the middle of the fixing rod (11) is provided with a first rotating shaft (12), and the middle of the first rotating shaft (12) is rotatably connected with the middle of the rotating rod (13).
10. The double-sided knife sharpener according to claim 9, wherein the lower end of the rotating rod (13) is rotatably connected with a limiting block (28), and the upper end of the blocking rod (26) is provided with a stop block (27) matched with the limiting block (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011581729.4A CN112720088A (en) | 2020-12-28 | 2020-12-28 | Double-sided knife grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011581729.4A CN112720088A (en) | 2020-12-28 | 2020-12-28 | Double-sided knife grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112720088A true CN112720088A (en) | 2021-04-30 |
Family
ID=75606695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011581729.4A Pending CN112720088A (en) | 2020-12-28 | 2020-12-28 | Double-sided knife grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112720088A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695997A (en) * | 2021-09-24 | 2021-11-26 | 曹荣国 | Knife sharpener convenient to adjust |
| CN114473810A (en) * | 2021-12-31 | 2022-05-13 | 安徽科居新材料科技有限公司 | Polishing device and method for processing wood-plastic floor |
| CN114789388A (en) * | 2022-03-28 | 2022-07-26 | 南通光擎科技有限公司 | Tower machine owner swing arm welding technology service robot |
| CN114871890A (en) * | 2022-05-19 | 2022-08-09 | 烟台工程职业技术学院(烟台市技师学院) | Deburring equipment for machining mechanical parts |
| CN115464486A (en) * | 2022-08-25 | 2022-12-13 | 安徽合祖铝业科技有限公司 | Side beam cushion block tangent plane trimming equipment |
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| CN104511802A (en) * | 2014-12-18 | 2015-04-15 | 江门市江海区杰能机电科技有限公司 | Tool sharpener with balance weight air cylinder |
| CN108747749A (en) * | 2018-07-25 | 2018-11-06 | 湖州永昆石材有限公司 | A kind of stone surface processing unit |
| CN109290861A (en) * | 2018-10-25 | 2019-02-01 | 谢森涛 | A kind of knife grinding equipment for Full-automatic cutting tube apparatus |
| CN208811741U (en) * | 2018-08-06 | 2019-05-03 | 天津市康耀玻璃有限公司 | A kind of two-sided grinding device of glass production |
| CN210024895U (en) * | 2019-02-20 | 2020-02-07 | 绵阳市中联机器制造有限公司 | Feeding mechanism of universal knife sharpener |
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2020
- 2020-12-28 CN CN202011581729.4A patent/CN112720088A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104511802A (en) * | 2014-12-18 | 2015-04-15 | 江门市江海区杰能机电科技有限公司 | Tool sharpener with balance weight air cylinder |
| CN108747749A (en) * | 2018-07-25 | 2018-11-06 | 湖州永昆石材有限公司 | A kind of stone surface processing unit |
| CN208811741U (en) * | 2018-08-06 | 2019-05-03 | 天津市康耀玻璃有限公司 | A kind of two-sided grinding device of glass production |
| CN109290861A (en) * | 2018-10-25 | 2019-02-01 | 谢森涛 | A kind of knife grinding equipment for Full-automatic cutting tube apparatus |
| CN210024895U (en) * | 2019-02-20 | 2020-02-07 | 绵阳市中联机器制造有限公司 | Feeding mechanism of universal knife sharpener |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695997A (en) * | 2021-09-24 | 2021-11-26 | 曹荣国 | Knife sharpener convenient to adjust |
| CN114473810A (en) * | 2021-12-31 | 2022-05-13 | 安徽科居新材料科技有限公司 | Polishing device and method for processing wood-plastic floor |
| CN114789388A (en) * | 2022-03-28 | 2022-07-26 | 南通光擎科技有限公司 | Tower machine owner swing arm welding technology service robot |
| CN114789388B (en) * | 2022-03-28 | 2024-01-30 | 南通光擎科技有限公司 | Tower crane main rotating rod welding technology service robot |
| CN114871890A (en) * | 2022-05-19 | 2022-08-09 | 烟台工程职业技术学院(烟台市技师学院) | Deburring equipment for machining mechanical parts |
| CN115464486A (en) * | 2022-08-25 | 2022-12-13 | 安徽合祖铝业科技有限公司 | Side beam cushion block tangent plane trimming equipment |
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Application publication date: 20210430 |
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| RJ01 | Rejection of invention patent application after publication |