CN220463189U - Intelligent straight knife sharpener - Google Patents
Intelligent straight knife sharpener Download PDFInfo
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- CN220463189U CN220463189U CN202321033354.7U CN202321033354U CN220463189U CN 220463189 U CN220463189 U CN 220463189U CN 202321033354 U CN202321033354 U CN 202321033354U CN 220463189 U CN220463189 U CN 220463189U
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- 238000001514 detection method Methods 0.000 claims abstract description 113
- 238000004140 cleaning Methods 0.000 claims abstract description 66
- 239000013307 optical fiber Substances 0.000 claims description 41
- 239000000523 sample Substances 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 13
- 230000003746 surface roughness Effects 0.000 abstract description 9
- 238000005520 cutting process Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The utility model discloses an intelligent straight knife sharpener, which comprises a sharpening bed and a sharpening head seat driven by a sharpening head feed motor, wherein the sharpening head seat is provided with a sharpening head which is driven by the sharpening head feed motor to move up and down, one side of the sharpening head seat is provided with a roughness detection sensor which can move up and down through a detection sliding table, and a cleaning brush and a cleaning nozzle are also arranged on the detection sliding table in a movable way up and down; the roughness detection sensor, the grinding head feed motor and the grinding head feed motor are electrically connected with a grinding machine control system, and an operation control program for determining operation parameters of the grinding head motor, the grinding head feed motor and the grinding head feed motor according to signals input by the roughness detection sensor is arranged in the grinding machine control system. The intelligent straight knife sharpener provided by the utility model can realize on-line automatic detection of the surface roughness of the surface to be sharpened in the straight knife sharpening process, and can automatically regulate and control the technological parameters of the straight knife sharpener according to the detection result, thereby ensuring the sharpening quality.
Description
Technical Field
The utility model relates to grinding equipment, in particular to a straight knife sharpener capable of intelligently controlling the roughness of a grinding surface.
Background
The straight knife is a cutting knife which is commonly used in industries such as paper making, printing, spinning, fiber, food, forestry, plastics, wood industry and the like and is in a sheet shape and a long strip shape, and in the manufacturing process of the straight knife, the knife body plane and the cutting edge inclined plane of the straight knife are required to be ground so as to ensure the sharpness and the straightness requirements of the cutting edge and the consistency of the size, and the ground knife body plane and the cutting edge inclined plane which form the cutting edge are ensured to reach the required surface roughness, so that the sharpness degree of a straight cutting edge opening, the regrinding period after use and the service life are important factors. In the grinding process, the surface roughness of the surface to be ground is mostly determined to be qualified or not in a production field by means of the inspection of operators, the operators are required to timely adjust the technological parameters such as the grinding head grinding wheel rotating speed, the feeding depth and the feeding speed of the straight-blade grinding machine according to the determined roughness condition of the surface to be ground, the operators are required to have higher production skills in the process, whether the surface roughness of the surface to be ground meets the requirements or not is required to be detected by the inspection staff through an electric profilometer or an optical microscope after the grinding is finished, the grinding quality of the straight-blade is difficult to ensure, the reworking is required after the quality is found to be unqualified, and the production efficiency is difficult to ensure.
Disclosure of Invention
Aiming at the defects existing in the prior art, the technical problem to be solved by the utility model is to provide the intelligent straight knife sharpener, which can realize the on-line automatic detection of the surface roughness of the surface to be sharpened in the straight knife sharpening process, automatically regulate and control the technological parameters of the straight knife sharpener according to the detection result and ensure the sharpening quality.
In order to solve the technical problems, the intelligent straight knife sharpener comprises a lathe bed and a sharpening head seat movably supported on the lathe bed through a horizontal guide rail pair, wherein the sharpening head seat is provided with a sharpening head which is movably supported up and down through a vertical guide rail pair and a sharpening head sliding seat, the sharpening head is driven to operate by a sharpening head motor, one side of the sharpening head seat is provided with a roughness detection sensor which can be movably mounted up and down through a detection sliding table on a detection support, the detection support is fixedly arranged on the sharpening head seat, a cleaning brush and a cleaning nozzle are also movably mounted up and down on the detection sliding table, the cleaning nozzle faces to the lower part of the roughness detection sensor, the cleaning brush and the cleaning nozzle are arranged along the length direction of the lathe bed, and the roughness detection sensor is electrically connected with a grinder control system; the grinding head sliding seat is driven by a grinding head feed motor through a ball screw nut pair, the grinding head seat is driven by a feed motor through a gear rack pair, the grinding head feed motor and the grinding head feed motor are electrically connected with a grinding machine control system, and an operation control program for determining operation parameters of the grinding head motor, the grinding head feed motor and the grinding head feed motor according to signals input by a roughness detection sensor is arranged in the grinding machine control system.
In the structure, as the roughness detection sensor is arranged on one side of the grinding head seat and can be vertically movably arranged on the detection support through the detection sliding table, the detection support is fixedly arranged on the grinding head seat, the roughness detection sensor moves along the length direction of the machine body along with the grinding head seat, the roughness detection can be carried out on any part of the length direction of a ground workpiece according to the requirement, when the roughness detection sensor is required to be detected, the roughness detection sensor is lowered to a detection position, and the position of the roughness detection sensor is lifted upwards to be separated from the workpiece in the grinding process.
The cleaning wiper and the cleaning nozzle are arranged on the detection sliding table in an up-down movable way, the cleaning nozzle faces to the lower part of the roughness detection sensor, the cleaning wiper and the cleaning nozzle are arranged along the length direction of the machine body, the arranged cleaning wiper and the cleaning nozzle can clean the part needing to be detected by the roughness before detection, so that abrasive dust and grinding fluid existing in the detected part are removed, the detection quality is ensured, the cleaning wiper and the cleaning nozzle are downwards operated in advance to enable the cleaning wiper to be in contact with the ground surface of a workpiece in the detection process, at the moment, the roughness detection sensor does not enter the detection position, the cleaning wiper and the cleaning nozzle are driven by the grinding head seat to reciprocate along the length direction of the machine body, so that abrasive dust on the surface to be detected is cleaned, meanwhile, gas with certain pressure is sprayed by the cleaning nozzle to blow away residual abrasive dust and moisture on the surface to be detected, the surface to be detected is cleaned, then the cleaning wiper and the cleaning nozzle upwards moves downwards to the detection position corresponding to the surface to be detected by the roughness of the surface to be detected under the driving of the detection sliding table.
And because the roughness detection sensor is electrically connected with the grinder control system, the data detected by the roughness detection sensor can be transmitted to the grinder control system, on one hand, the roughness value of the ground surface can be displayed through a display interface after the processing of the grinder control system, so that an operator can master the grinding progress condition, and on the other hand, the basis can be provided for automatically regulating and controlling the technological parameters of the straight-blade knife grinder.
And then, as the grinding head sliding seat is driven by the grinding head feed motor through the ball screw nut pair, the grinding head seat is driven by the feed motor through the gear rack pair, and the grinding head feed motor are electrically connected with the grinding machine control system, main grinding movements such as feed, feed and the like in the grinding process of the grinding head can be automatically performed by the grinding machine control system, and the straight-blade grinding machine can automatically regulate and control technological parameters in the grinding process through the grinding machine control system.
And because the grinding machine control system is provided with an operation control program for determining the operation parameters of the grinding head motor, the grinding head feed motor and the grinding head feed motor according to signals input by the roughness detection sensor, the grinding machine control system can compare the roughness data detected in the grinding process with the required roughness value through the set corresponding control program, and then determine and regulate the technological parameters such as the feed amount, the grinding wheel rotating speed, the feed speed, the grinding reciprocation times and the like through the difference degree of the compared values until the detected roughness data of the ground surface reaches the required roughness value, thereby achieving the requirements of automatically regulating and controlling the technological parameters of the straight-blade grinder and ensuring the grinding quality according to the on-line automatic detection result of the roughness.
In a preferred embodiment of the present utility model, the roughness detection sensor is an optical fiber sensor. By adopting the embodiment, the optical fiber sensor irradiates the light emitted by the light source to the surface of the workpiece to be detected through the emitted light beam, the light is reflected and scattered after being modulated by the microscopic profile of the surface, part of the light is converted into the electric signal through the received light beam and the photoelectric conversion device, the roughness value of the surface to be detected can be obtained according to the relation between the electric signal and the surface roughness value, the optical fiber probe in the optical fiber sensor does not need to be in contact with the surface to be detected in the measuring process, the use effect is good, and the requirement of online automatic detection of the surface roughness of the surface to be ground can be met.
In another preferred embodiment of the utility model, the optical fiber sensor comprises an optical fiber probe, a transmitting optical fiber bundle in the optical fiber probe is connected to an electric light source, and a receiving optical fiber bundle in the optical fiber probe is electrically connected with a grinder control system through a photoelectric conversion device and a signal amplifying circuit. According to the embodiment, the electric light source irradiates the surface of the workpiece to be detected through the emission light beam formed by the sending optical fiber bundle, the receiving optical fiber bundle conveys the emission light beam to the photoelectric conversion device after being modulated by the microscopic profile of the surface of the workpiece to be detected, the photoelectric conversion device converts an optical signal into an electric signal, and the electric signal converted by the photoelectric conversion device is amplified by the signal amplifying circuit and then transmitted to the grinder control system, so that roughness detection is realized.
In a further preferred embodiment of the utility model, the grinding machine control system is in communication connection with a touch screen, the signal amplifying circuit is also in electrical connection with the touch screen, and a roughness set value input area is arranged in the touch screen. With the adoption of the embodiment, the electric signal detected by the roughness detection sensor can be intuitively displayed as a specific roughness value in the touch screen, and the roughness set value input area arranged in the touch screen can conveniently input the surface roughness value required by grinding a workpiece into the grinding machine control system for the running control program in the grinding machine control system as a target basis.
According to a further preferred embodiment of the utility model, the optical fiber probe of the optical fiber sensor is arranged in the detection positioning sleeve, the detection positioning sleeve is arranged on the sensor seat in a vertically elastic floating manner, and the sensor seat is fixedly connected with the detection sliding table. By adopting the embodiment, the detection positioning sleeve contacts with the surface to be detected during detection, the optimal measurement distance between the optical fiber probe arranged in the detection positioning sleeve and the surface to be detected is ensured, the detection positioning sleeve is driven by the detection sliding table to move up and down to enter or exit from the detection position through the sensor seat, the detection positioning sleeve can be arranged on the sensor seat in an up-down elastic floating manner, the requirement on the downstream position precision of the detection sliding table can be reduced, and the detection positioning sleeve can be contacted with the workpiece to be detected only, so that the optical fiber sensor is not damaged even if the detection sliding table has an overtravel.
In another further preferred embodiment of the present utility model, the detection positioning sleeve is inserted into the inner hole of the sensor seat, and a spring is arranged between the detection positioning sleeve and the sensor seat. By adopting the embodiment, the detection positioning sleeve can change the position up and down in the sensor seat and keep the downward trend through the spring, so that the detection positioning sleeve is ensured to be in good contact with the surface of the workpiece to be detected.
In a still further preferred embodiment of the present utility model, the detection sliding table is mounted on the detection support in a vertically movable manner through a guide rail and a motor-driven nut screw pair. By adopting the embodiment, the detection sliding table is convenient and quick to move up and down, and the up and down position is convenient to control.
In a further preferred embodiment of the utility model, the cleaning wiper and the cleaning nozzle are mounted on the piston rod end of the cleaning cylinder. By adopting the embodiment, the cleaning wiper and the cleaning nozzle can be conveniently and vertically movably arranged on the detection sliding table under the drive of the cleaning cylinder, and the descending position of the cleaning wiper is only required to ensure that the lower surface of the cleaning wiper is lower than the lower surface of the detection positioning sleeve.
In a further preferred embodiment of the utility model, the working area of the cleaning wipe is formed by flexible felt, fabric or bristles. By adopting the embodiment, the cleaning effect of the cleaning wiper on the surface of the tested workpiece can be ensured, and meanwhile, the roughness of the tested surface cannot be damaged or changed.
In yet a further preferred embodiment of the present utility model, the cleaning nozzle is an air knife type air nozzle, which is in communication with a pressurized air source. By adopting the embodiment, the pressure air source can provide the cleaning air with certain pressure, and the cleaning air forms the air injection effect of the air knife after being sprayed out through the cleaning nozzle, so that the surface to be detected can be dried rapidly, and the accurate realization of roughness detection is ensured.
Drawings
The intelligent straight knife sharpener of the utility model is further described in detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic diagram of an embodiment of the intelligent straight knife sharpener of the present utility model;
FIG. 2 is a right side view of the roughness detection sensor and related parts of the structure of FIG. 1;
fig. 3 is a schematic diagram of a control principle related to on-line detection of surface roughness and automatic regulation of grinding process parameters of the intelligent straight knife sharpener shown in fig. 1.
In the figure: the device comprises a 1-lathe bed, a 2-grinding head, a 3-roughness detection sensor, a 4-optical fiber probe, a 5-detection positioning sleeve, a 6-sensor seat, a 7-spring, an 8-grinding head seat, a 9-detection sliding table, a 10-detection support, an 11-grinding head feed motor, a 12-grinding head motor, a 13-grinding head sliding seat, a 14-grinding head feed motor, a 15-cleaning wiper, a 16-cleaning nozzle, a 17-cleaning cylinder, a 18-touch screen, a 19-sending optical fiber bundle, a 20-receiving optical fiber bundle, a 21-photoelectric conversion device, a 22-electric light source, a 23-signal amplifying circuit and a 24-grinding machine control system.
Detailed Description
In the intelligent straight-blade knife grinder shown in fig. 1 and 2, a lathe bed 1 is a basic supporting body of the straight-blade knife grinder, a grinding head seat 8 is movably supported on the lathe bed 1 through horizontal guide rail pairs on two sides of the upper side of the lathe bed 1, the grinding head seat 8 is driven by a grinding head feed motor 11 to move forwards and backwards along the length direction of the lathe bed 1 through a gear rack pair, a sucker workbench capable of adjusting an installation angle in a left-right rotation manner is arranged between the two horizontal guide rail pairs, a straight-blade to be ground is adsorbed on the sucker workbench, a grinding head 2 is vertically movably supported on the grinding head seat 8 through the vertical guide rail pair and a grinding head sliding seat 13, the grinding head 2 is driven by a grinding head motor 12 to move, the position of the grinding head 2 corresponds to that of the sucker workbench, and the grinding head sliding seat 13 is driven by a grinding head feed motor 14 to move up and down through a ball screw nut pair.
The roughness detection sensor 3 is arranged on one side of the grinding head seat 8, the roughness detection sensor 3 can be vertically movably arranged on the detection support 10 through the detection sliding table 9, the detection support 10 is fixedly arranged on the grinding head seat 8, as a preferred embodiment, the roughness detection sensor 3 is an optical fiber sensor, the optical fiber sensor comprises an optical fiber probe 4, the optical fiber probe 4 is arranged in the detection positioning sleeve 5, the detection positioning sleeve 5 is contacted and attached to the surface of a detected workpiece through the bottom surface during detection, the bottom surface of the optical fiber probe 4 is kept at a proper distance from the bottom surface of the detection positioning sleeve 5, so that the optimal measurement distance between the optical fiber probe 4 and the detected surface can be ensured, the detection positioning sleeve 5 is inserted into an inner hole of the sensor seat 6, a spring 7 is arranged between the detection positioning sleeve 5 and the sensor seat 6, the detection positioning sleeve 5 can be vertically elastically and floatingly arranged on the sensor seat 6, the sensor seat 6 is fixedly connected with the detection sliding table 9, and the detection positioning sleeve 9 can be vertically movably arranged on the detection support 10 through a guide rail and a nut screw pair driven by a motor.
The detection sliding table 9 is also provided with a cleaning brush 15 and a cleaning nozzle 16 in a vertically movable manner, the cleaning nozzle 16 faces to the lower part of the roughness detection sensor 3, the cleaning brush 15 and the cleaning nozzle 16 are arranged along the length direction of the lathe bed 1, as a preferred embodiment, the cleaning brush 15 is arranged at the piston rod end of a cleaning cylinder 17, the cleaning nozzle 16 is fixedly connected with the cleaning brush 15 and is arranged at the piston rod end of the cleaning cylinder 17 through the cleaning brush 15, and the cleaning cylinder 17 is fixedly connected with the sensor seat 6 through a connecting piece; the working part of the cleaning wipe 15 is formed by flexible felts, fabrics or bristles, etc., the cleaning nozzle 16 is a commercially available air knife type air nozzle, and the cleaning nozzle 16 is communicated with a pressure air source.
Referring to fig. 3, a transmitting optical fiber bundle 19 on an optical fiber probe 4 in the optical fiber sensor is connected to an electric light source 22, and a receiving optical fiber bundle 20 in the optical fiber probe 4 is electrically connected with a grinder control system 24 through a photoelectric conversion device 21 and a signal amplification circuit 23, so that the roughness detection sensor 3 is electrically connected with the grinder control system 24; the grinding machine control system 24 is in communication connection with the touch screen 18, the signal amplifying circuit 23 is also in electric connection with the touch screen 18 through an analog-to-digital conversion module, and a roughness set value input area is arranged in the touch screen 18; the control valves of the grinding head feed motor 14, the grinding head feed motor 11 and the cleaning cylinder 17 are also electrically connected with the grinding machine control system 24, and an operation control program for determining operation parameters of the grinding head motor 12, the grinding head feed motor 14 and the grinding head feed motor 11 according to signals input by the roughness detection sensor 3 is arranged in the grinding machine control system 24. The grinding machine control system 24 can automatically enter the grinding process according to the related parameters of the straight knife to be ground, the required roughness index value and the like input in the touch screen 18 by the corresponding control program, automatically detect the roughness of the ground surface in the grinding process, compare the detected roughness data with the required roughness value, and then regulate the technological parameters such as the feeding amount, the grinding wheel rotating speed, the feeding speed, the grinding reciprocation number and the like by the difference degree of the compared values until the detected roughness data of the ground surface reaches the required roughness value, thereby achieving the requirements of automatically regulating the technological parameters of the straight knife grinder and ensuring the grinding quality according to the result of the roughness on-line automatic detection.
The foregoing is merely illustrative of some preferred embodiments of the present utility model, but the utility model is not limited thereto and many modifications and variations are possible. The roughness detection sensor 3 may be a 3D machine vision type detection sensor instead of an optical fiber sensor. Such and the like, as long as the modifications and the changes are made on the basis of the basic principles of the present utility model, are to be regarded as falling within the scope of the present utility model.
Claims (10)
1. The utility model provides an intelligence straight knife sharpedge grinding machine, includes lathe bed (1) and bistrique seat (8) on lathe bed (1) through the vice movable support of horizontal guide rail, has bistrique (2) through the vice movable support about vertical guide rail and bistrique slide (13) on bistrique seat (8), bistrique (2) are by bistrique motor (12) drive operation, its characterized in that: one side of the grinding head seat (8) is provided with a roughness detection sensor (3), the roughness detection sensor (3) can be vertically movably arranged on the detection support (10) through the detection sliding table (9), the detection support (10) is fixedly arranged on the grinding head seat (8), the detection sliding table (9) can also be vertically movably provided with a cleaning wiper (15) and a cleaning nozzle (16), the cleaning nozzle (16) faces to the lower part of the roughness detection sensor (3), the cleaning wiper (15) and the cleaning nozzle (16) are arranged along the length direction of the machine body (1), and the roughness detection sensor (3) is electrically connected with a grinding machine control system (24); the grinding head sliding seat (13) is driven by a grinding head feed motor (14) through a ball screw nut pair, the grinding head seat (8) is driven by a grinding head feed motor (11) through a gear rack pair, the grinding head feed motor (14) and the grinding head feed motor (11) are electrically connected with a grinding machine control system (24), and an operation control program for determining operation parameters of the grinding head motor (12), the grinding head feed motor (14) and the grinding head feed motor (11) according to signals input by a roughness detection sensor (3) is arranged in the grinding machine control system (24).
2. The intelligent straight knife sharpener of claim 1, wherein: the roughness detection sensor (3) is an optical fiber sensor.
3. The intelligent straight knife sharpener of claim 2, wherein: the optical fiber sensor comprises an optical fiber probe (4), a transmitting optical fiber bundle (19) in the optical fiber probe (4) is connected to an electric light source (22), and a receiving optical fiber bundle (20) in the optical fiber probe (4) is electrically connected with a grinding machine control system (24) through a photoelectric conversion device (21) and a signal amplifying circuit (23).
4. The intelligent straight knife sharpener of claim 1 or 3, wherein: the grinding machine control system (24) is in communication connection with the touch screen (18), the signal amplifying circuit (23) is further electrically connected with the touch screen (18), and a roughness set value input area is arranged in the touch screen (18).
5. The intelligent straight knife sharpener of claim 3, wherein: the optical fiber sensor is characterized in that an optical fiber probe (4) of the optical fiber sensor is arranged in a detection positioning sleeve (5), the detection positioning sleeve (5) can be arranged on a sensor seat (6) in an up-down elastic floating mode, and the sensor seat (6) is fixedly connected with a detection sliding table (9).
6. The intelligent straight knife sharpener of claim 5, wherein: the detection positioning sleeve (5) is inserted into an inner hole of the sensor seat (6), and a spring (7) is arranged between the detection positioning sleeve (5) and the sensor seat (6).
7. The intelligent straight knife sharpener of claim 1 or 5, wherein: the detection sliding table (9) can be vertically movably arranged on the detection support (10) through a guide rail and a nut screw pair driven by a motor.
8. The intelligent straight knife sharpener of claim 1, wherein: the cleaning wiper (15) and the cleaning nozzle (16) are arranged at the piston rod end of the cleaning cylinder (17).
9. The intelligent straight knife sharpener of claim 1 or 8, wherein: the working part of the cleaning wiper (15) is composed of flexible felts, fabrics or bristles.
10. The intelligent straight knife sharpener of claim 1 or 8, wherein: the cleaning nozzle (16) is an air knife type air nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321033354.7U CN220463189U (en) | 2023-05-04 | 2023-05-04 | Intelligent straight knife sharpener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321033354.7U CN220463189U (en) | 2023-05-04 | 2023-05-04 | Intelligent straight knife sharpener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220463189U true CN220463189U (en) | 2024-02-09 |
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ID=89780205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321033354.7U Active CN220463189U (en) | 2023-05-04 | 2023-05-04 | Intelligent straight knife sharpener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220463189U (en) |
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2023
- 2023-05-04 CN CN202321033354.7U patent/CN220463189U/en active Active
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