CN207788453U - A kind of knife sharpening device - Google Patents
A kind of knife sharpening device Download PDFInfo
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- CN207788453U CN207788453U CN201721771442.1U CN201721771442U CN207788453U CN 207788453 U CN207788453 U CN 207788453U CN 201721771442 U CN201721771442 U CN 201721771442U CN 207788453 U CN207788453 U CN 207788453U
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- Prior art keywords
- grinding tool
- cutter
- knife sharpening
- locking
- sharpening device
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Abstract
The utility model is related to technical fields of whetting a knife, and especially disclose a kind of knife sharpening device.Knife sharpening device includes microprocessor and the clamp system being electrically connected with microprocessor, grinding tool mechanism, avoiding jetting mechanism and pitch angle control mechanism；Clamp system is used to cutter being clamped in fixture base；Grinding tool mechanism comprising grinding tool and transmission mechanism, the grinding tool make straight reciprocating between blade and blade, to be ground to cutter；Transmission mechanism is lifted and/or is moved forward and backward for controlling grinding tool；Avoiding jetting mechanism is used to regulate and control to be injected in the amount of the hydro-peening liquid of the contact position of grinding tool and cutter, ensures that hydro-peening liquid forms liquid film in tool surface；Pitch angle control mechanism is used to the angle of inclination of grinding tool；Knife sharpening device further includes the rechargeable battery being embedded in body, and rechargeable battery is connect with microprocessor.The utility model uses the automatic grinding mode of wet type water mill, improves sharpening effect, improves safe application performance.
Description
Technical field
The utility model belongs to sharpening technical field more particularly to a kind of knife sharpening device.
Background technology
Currently, there is various and defect in existing following several sharpening modes：The first is with the side of cutting
Formula is whetted a knife, and is whetted a knife by this method, and the universal indention of cutter come is ground, and not sharp, badly damaged cutter, the matter of cutter
Amount is poor, and cutting-tool's used life is short, whets a knife of high cost；Second is to carry out dry type sharpening using the grinding wheel or ceramic abrasive tool of high speed
Mode, the phenomenon that the clast that will produce metal fragment, grinding wheel or ceramic abrasive tool during whetting a knife splashes, to operator
Member brings personal injury, and there are serious security hidden troubles；The third is wet using grinding wheel or the ceramic abrasive tool progress of high speed
The mode that formula is whetted a knife, this sharpening mode are unable to control the water of water spray, and it is poor that the excessive water capacity easily leads to sharpening effect；4th kind is
Knife is placed in knife sharpener and whetted a knife by operating personnel's hand grip handle of a knife, and manual operation is not easy to control, when high-speed rotating grinding wheel or
When ceramic abrasive tool generates huge impact to cutter, knife easy tos produce bounce and outer bullet phenomenon, equally to the person of operating personnel
Safety generates and causes danger and threat.The knife grinding equipment of above-mentioned several sharpening modes is generally using direct under the AC power of 220V
Work is easy to happen short circuit or Electrical Safety accident, safety is poor after knife grinding equipment is made moist or is intake.
Therefore, a kind of novel knife sharpening device need be proposed, it is above-mentioned each existing for solve the problems, such as in a manner of existing sharpening.
Utility model content
(1) technical problems to be solved
In order to solve the above problem of the prior art, the utility model provides a kind of automatic grinding side using wet type water mill
Formula promotes sharpening effect, safe and reliable knife sharpening device.
(2) technical solution
In order to achieve the above object, the main technical schemes of the utility model use include：
The utility model provides a kind of knife sharpening device, including microprocessor and the clamping machine with microprocessor electric connection
Structure, grinding tool mechanism, avoiding jetting mechanism and pitch angle control mechanism；Wherein,
Clamp system is used to cutter being clamped in fixture base；
Grinding tool mechanism comprising grinding tool and transmission mechanism, the grinding tool make straight reciprocating between blade and blade,
To be ground to cutter；The transmission mechanism is lifted and/or is moved forward and backward for controlling grinding tool；
Avoiding jetting mechanism is used to regulate and control to be injected in the amount of the hydro-peening liquid of the contact position of grinding tool and cutter, ensures hydro-peening liquid
Liquid film is formed in tool surface；
Pitch angle control mechanism is used to the angle of inclination of grinding tool；
The knife sharpening device further includes the rechargeable battery being embedded in body, and the rechargeable battery is connect with microprocessor.
Preferably, the cutter storage tank for accommodating cutter is provided in the fixture base；
The clamp system includes the transverse clamping device and longitudinal clamp being mounted in fixture base, the transverse direction
Clamping device is used for for locking cutter, the longitudinal clamp on the length direction of cutter perpendicular to the direction of cutter
Upper locking cutter.
Preferably, the transverse clamping device include for withstand on the locking bar on cutter, be located at fixture base on the outside of and with
The locking head and locking hole that locking bar is threadedly coupled, the locking hole are opened in the top of fixture base, and the locking bar can wear lock
Only hole, and the elastic component between fixture base and locking head is arranged on the shaft of locking bar；
And/or
The longitudinal clamp include for withstand on the locking bar on cutter, be located at fixture base on the outside of and with locking bar screw thread
The locking head and locking hole of connection, the locking hole are opened in the top of fixture base, and the locking bar can wear locking hole, and lock
The elastic component being arranged on the shaft of bar between fixture base and locking head.
Preferably, the transmission mechanism includes lifting action mechanism and fore-aft motion mechanism, and the lifting action mechanism uses
Make straight reciprocating between blade and blade in control grinding tool, fore-aft motion mechanism is for controlling grinding tool along cutter
Length direction is moved forward and backward.
Preferably, the power plant of the lifting action mechanism is cylinder, hydraulic cylinder, motor, electromagnetic draw bar, electric pushrod
In one kind；And/or the power plant of the fore-aft motion mechanism is cylinder, hydraulic cylinder, motor, electromagnetic draw bar, electric pushrod
In one kind.
Preferably, the grinding tool is mounted on hold-down support；The lifting action mechanism includes longitudinally guiding rail, described vertical
It is slidably connected to guided way and hold-down support, for guiding grinding tool vertically elevating movement；The fore-aft motion mechanism includes cross
To guided way, the laterally steering rail is slidably connected with the hold-down support, for guiding grinding tool sliding motion along the longitudinal direction.
Preferably, the avoiding jetting mechanism includes ultrasonic nozzle and ultrasonic generator, the ultrasonic generator and ultrasonic nozzle
It is connected.
Preferably, the avoiding jetting mechanism includes controller, spray pipe and valve for spray washing, and the valve for spray washing is arranged in spray pipe
On, and connect with controller, opening and closing of the controller for periodically controlling valve for spray washing.
Preferably, the pitch angle control mechanism includes pitch angle control device and the grinding tool angle being connect with pitch angle control device
Sensor, cutting-tool angle sensor and motor, the grinding tool angular transducer is used for the angle of inclination of Real-time Feedback grinding tool, described
Cutting-tool angle sensor is used for the angle of inclination of Real-time Feedback cutter, angle of inclination and knife of the pitch angle control device according to grinding tool
The angle of inclination control motor driving grinding tool of tool tilts preset angle.
Preferably, the rechargeable battery is graphene accumulator.
(3) advantageous effect
The utility model has the beneficial effects that：
Cutter is clamped in by clamp system in fixture base by the utility model, passes through each machine of intelligentized control method later
Structure realizes that automation wet type is whetted a knife, the security risk brought so as to avoid manual operation.During sharpening, by regulating and controlling to spray
The amount for penetrating the hydro-peening liquid of the contact position in grinding tool and cutter makes suitable hydro-peening liquid form liquid film on stage property surface, and adheres to
The clast (fine sand of such as grinding wheel) one of grinding tool reacts on cutter, greatly improves sharpening effect.In addition, the body of knife sharpening device
It is inside embedded with rechargeable battery, sustainable use after charging, with the existing phase by the way of the direct powered operation of 220V AC powers
Comparison, use is more safe and reliable, improves safe application performance.
Description of the drawings
Fig. 1 is the structural schematic diagram for the clamp system that specific embodiment of the present invention provides；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is the right view of Fig. 1；
Fig. 4 is the structure shape of cutter portion cutting of food items after knife sharpening device is ground that specific embodiment of the present invention provides
State figure.
【Reference sign】
1：Cutter；2：Fixture base；3：Cutter storage tank；4：Position end face；5：First locking bar；6：First locking head；7、
Second locking bar；8, the second locking head；9, outside；10, inside.
Specific implementation mode
It is below in conjunction with the accompanying drawings, right by specific implementation mode in order to understand in order to preferably explain the utility model
The utility model is described in detail.
Specific implementation mode
Present embodiments provide for a kind of preferred knife sharpening device, which includes body, is provided on body micro-
Processor and clamp system, grinding tool mechanism, avoiding jetting mechanism and the pitch angle control mechanism etc. that are electrically connected with microprocessor are several
It is most of.
As shown in Figure 1 to Figure 3, clamp system is for cutter 1 to be clamped in fixture base 2.The top of fixture base 2
It being formed with the long and narrow cutter storage tank 3 with certain depth, entire blade is accommodated when for erectting arrangement of tool 1.Hold in cutter
The front end for setting slot 3 is provided with positioning end face 4, which plays the role of limit to 1 front end of cutter.Cutter storage tank 3
Depth can be determined according to the blade width for waiting for knife milling tool 1.
Clamp system includes the transverse clamping device and longitudinal clamp being mounted in fixture base 2.Horizontal clamping fills
It is set to the first locking being arranged in the rear end (one end opposite with the front end of cutter storage tank 3 positioning end face 4) of cutter storage tank 3
Component, the first locking assembly include withstanding on the first locking bar 5, the first locking head 6 and the first locking hole of cutter rear end, the first locking
Hole is opened in the top of 2 rear end of fixture base, and the first locking bar 5 can wear the first locking hole, is arranged on the shaft of the first locking bar 5
First elastic component, such as spring, elastic washer.When first locking bar 5 is installed, the first locking bar 5 is passed through into the first locking hole, makes first
The inner end of locking bar 5 is resisted against the rear end of cutter 1, is equipped with the first elastic component on the outer end shaft of the first locking bar 5, is pressing
It contracts during the first elastic component, the first locking head 6 is threaded in the outer end of the first locking bar 5, and (the first elastic component is located at
Between fixture base 2 and the first locking head 6), under the positioning end face 4 of front end and the collective effect of the first locking assembly, firmly
Cutter 1 is implemented locking by ground on the length direction of cutter 1, to realize to cutter 1 on the length direction of cutter 1
Fixed (positioning).When complete whet a knife after, 6 screw thread of the first locking head is disassembled, you can discharge to cutter 1 cutter 1 length
Spend the constraint on direction.
Certainly, the front end positioning end face 4 of above-mentioned cutter storage tank 3 can also be replaced by the first locking assembly, that is, knife
The front and back end of tool storage tank 3 is both provided with the first locking assembly, and the first locking assembly setting quantity respectively held visually actually is whetted a knife
It is required that (size and sharpening power of blade) determines.
Longitudinal clamp includes the second locking assembly being arranged in 2 side of fixture base, and the second locking assembly includes the
Two locking bars 7, the second locking head 8 and the second locking hole, the second locking hole are opened in the top of 3 side wall of fixture base, the second locking bar 7
The second locking hole can be worn, the second elastic component, such as spring, elastic washer are arranged on the shaft of the second locking bar 7.
Above-mentioned second locking assembly can be provided separately within the either side of fixture base 2, can also be the two of fixture base 2
Side is respectively provided with the second locking assembly.When only the side of fixture base 2 install the second locking assembly when, install the second locking bar 7
During, first, the second locking bar 7 is passed through into the second locking hole, the inner end of the second locking bar 7 is made to be resisted against a table of cutter 1
Face, another surface of cutter 1 are then resisted against the madial wall of fixture base 2, second are equipped on the outer end shaft of the second locking bar 7
Second locking head 8 is threaded in the outer end (second of the second locking bar 7 by elastic component during compressing the second elastic component
Elastic component is located between fixture base 2 and the second locking head 8), in the side wall of fixture base 2 and the common work of the second locking assembly
Under, cutter 1 is firmly being implemented into locking in the direction of cutter 1 (perpendicular to the surface direction of cutter), to
It realizes to cutter 1 in the fixation (positioning) on the direction of cutter 1.After completing to whet a knife, by 8 screw thread of the second locking head
It disassembles, you can release is to cutter 1 in the constraint on the direction of cutter 1.It is respectively mounted when in the both sides of fixture base 2
When having the second locking assembly, cutter 1 also can be fixed firmly under the collective effect of the second locking assembly of both sides.Into
One step, when the quantity of the second locking assembly of both sides is identical and is symmetrically installed relative to the plane where blade, lock knife
Tool 1 is more secured.
The quantity of above-mentioned the first locking assembly and the second locking assembly is unlimited, can be one, two or more, setting
Quantity can be with arbitrary disposition depending on actual needs.Further, the quantity of the first locking assembly and the second locking assembly can be by blade
Size and sharpening power determine.When blade size is larger, sharpening power is larger, it can suitably increase by the first locking assembly
And/or second locking assembly setting quantity.
The clamp system of the utility model is not limited to above structure form, is also designed to realize respective function
Other structures form, such as 1 both sides of cutter are both provided with the hydraulic cylinder structure of scalable movement.
Grinding tool mechanism includes grinding tool and transmission mechanism.Grinding tool is mounted on hold-down support, is driven and is rotated by power motor, mill
Tool rotation executes sharpening.Grinding tool can select to use grinding wheel or ceramic abrasive tool made of sandstone plum or other to use hard rigid material
Sharpening tool prepared by (such as diamond, oilstone).The quantity of grinding tool is unlimited, can be one, two or more, quantity is arranged
It can be with arbitrary disposition depending on actual needs.Transmission mechanism, which can be used for controlling grinding tool, to be lifted and is moved forward and backward.Grinding tool is being driven
Make straight reciprocating under the power transmission of mechanism between blade and blade, while can also be moved forward and backward, to realize to cutter 1
The grinding of entire blade part.Wherein, grinding tool by blade to blade direction movement be " sharpening ", grinding tool by blade to blade side
To mobile for " returning mill ".During sharpening, blade part easy tos produce very tiny knife bits, and " returning mill " can remove blade part
Fines, to keep blade more sharp durable.
Above-mentioned transmission mechanism includes lifting action mechanism and fore-aft motion mechanism.Lifting action mechanism, which is used for controlling grinding tool, to exist
Make straight reciprocating between blade and blade, realizes the grinding in the blade part of blade a part.Fore-aft motion mechanism is used for
Control grinding tool is moved forward and backward along the length direction of cutter 1, realizes comprehensive grinding to each position before and after blade.Lifting action
Mechanism and fore-aft motion mechanism can select link mechanism, slider-crank mechanism, cam mechanism, rack and pinion mechanism, leading screw spiral shell
Any straight-line motion mechanism in parent agency.The power plant of lifting action mechanism be cylinder, hydraulic cylinder, motor, electromagnetic draw bar,
One kind in electric pushrod can also be other electromagnetic power sources.
In the present embodiment, it is preferred that lifting action mechanism includes the longitudinal direction for guiding grinding tool vertically elevating movement
Guided way, the hold-down support for installing grinding tool can be under the drive of lifting action mechanism along longitudinally guiding rail sliding motion, to band
Dynamic grinding tool is vertically realized the blade part of blade a part and is ground.Fore-aft motion mechanism includes being used for guiding grinding tool along front and back
To the laterally steering rail of sliding motion, the hold-down support for installing grinding tool can be under the drive of fore-aft motion mechanism along laterally steering rail
Sliding motion is ground to drive grinding tool to be realized along the longitudinal direction to the entire blade part of blade.
For wet type sharpening technique, the control of hydro-peening liquid is most important to sharpening effect.During sharpening, mill
The clast (fine sand of such as grinding wheel) of tool can fall off and hydro-peening liquid is attached to the surface of cutter 1 together, and excessive hydro-peening liquid can wash away
Clast causes sharpening effect poor, and suitable hydro-peening liquid forms liquid film on the surface of cutter 1, and together with the grinding tool clast of attachment
Cutter 1 is acted on, real sharpening, rather than " cutting " knife are reached.
The avoiding jetting mechanism of the utility model can be used to regulate and control to be injected in the hydro-peening liquid of the contact position of grinding tool and cutter 1
Amount makes suitable hydro-peening liquid form liquid film, and 1 surface of grinding knife tool together with the grinding tool clast of attachment on 1 surface of cutter, significantly
Improve sharpening effect.For example, the hydro-peening liquid of the present embodiment is preferably using the tap water being easy to get, suitable tap water is in knife
The surface of tool 1 forms moisture film, the surface of cutter 1 is attached to together with grinding tool clast, to be conducive to whet a knife.
The structure of above-mentioned avoiding jetting mechanism does not limit.Preferably, avoiding jetting mechanism can be comprising ultrasonic nozzle, hydro-peening
One end of channel and ultrasonic generator, hydro-peening channel is connected to ultrasonic generator, and the other end is connect with ultrasonic nozzle.Ultrasound occurs
Device can make hydro-peening liquid occur to vibrate and be atomized to form drop under the action of ultrasonic wave, and be sprayed out by nozzle.When
So, avoiding jetting mechanism can also be comprising controller, spray pipe and valve for spray washing, valve for spray washing be arranged on spray pipe, and with control
Device connects, and controller can periodically control valve for spray washing and open or close.Specifically, the first predetermined time of interval can be arranged in controller
(as interval 30s) control open valve for spray washing, sprinkling hydro-peening liquid continue the second predetermined time (5s) control afterwards closing valve for spray washing.Such as
This, when sharpening, can ensure to form liquid film on the surface of cutter 1, and be unlikely to excessive hydro-peening liquid wash away grinding tool fall off it is broken
Bits.
Above-mentioned grinding tool is arranged in pitch angle control mechanism, and pitch angle control mechanism is used for regulating and controlling the angle of inclination of grinding tool.Incline
Angle control mechanism includes pitch angle control device and the grinding tool angular transducer being connect with pitch angle control device, cutting-tool angle sensor
And motor.Grinding tool angular transducer can be used to detect the angle of inclination of grinding tool, and the grinding tool angle of inclination detected is anti-in real time
It is fed to pitch angle control device, cutting-tool angle sensor can be used to detect the angle of inclination of cutter 1, and the cutter 1 detected is tilted
Angle Real-time Feedback to pitch angle control device, pitch angle control device controls electricity according to the angle of inclination of grinding tool and the angle of inclination of cutter 1
Machine drives grinding tool to tilt preset angle.
Referring to Fig. 4, in grinding knife tool 1, motor controls grinding tool and tilts preset angle, for 1 portion cutting of food items side of cutter
For outside 9, the other side is inside 10.When portion cutting of food items, in order to more effortless, 10 inclination angle is relative to outer on the inside of 1 blade part of cutter
The inclination angle of side 9 wants small, the food for facilitating separation to cut, and is not easy to be sticked on 1 surface of cutter, and the food arrangement of cutting is whole
Together.
When needing the predetermined angle of 1 blade part of grinding knife tool inside 10 or outside 9, pitch angle control device inclines according to grinding tool
The difference at the angle of inclination of rake angle and cutter 1 calculates grinding tool and inclined angle is actually needed, and controls motor driving grinding tool and incline
Oblique calculated angle of inclination is to the predetermined angle reached on the inside or outside of blade part.
In the present invention, it is embedded with rechargeable battery in the body of knife sharpening device, rechargeable battery is electrical with microprocessor
Connection.It is sustainable to be used for microprocessor power supply after charging of the rechargeable battery by 220V AC powers, use 220V with existing
The mode of the direct powered operation of AC power compares, and use is more safe and reliable, improves safe application performance.Rechargeable battery
Graphene accumulator preferably with the characteristics such as high conductivity, high intensity, ultra-thin, not only battery capacity is sufficient, when charging
Between it is long, service life is long, and light-weight, to facilitate people to move the knife sharpening device of the utility model to electricity shortage
It goes to use in adverse circumstances.
The above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality
With novel thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as
Limitations of the present invention.
Claims (10)
1. a kind of knife sharpening device, which is characterized in that clamp system, the mill including microprocessor and being electrically connected with microprocessor
Have mechanism, avoiding jetting mechanism and pitch angle control mechanism；Wherein,
Clamp system is used to cutter (1) being clamped in fixture base (2)；
Grinding tool mechanism comprising grinding tool and transmission mechanism, the grinding tool makees straight reciprocating between blade and blade, with right
Cutter (1) is ground；The transmission mechanism is lifted and/or is moved forward and backward for controlling grinding tool；
Avoiding jetting mechanism is used to regulate and control to be injected in the amount of grinding tool and the hydro-peening liquid of the contact position of cutter (1), ensures that hydro-peening liquid exists
Cutter (1) surface forms liquid film；
Pitch angle control mechanism is used to the angle of inclination of grinding tool；
The knife sharpening device further includes the rechargeable battery being embedded in body, and the rechargeable battery is connect with microprocessor.
2. knife sharpening device according to claim 1, which is characterized in that be provided on the fixture base (2) for accommodating
The cutter storage tank (3) of cutter (1)；
The clamp system includes the transverse clamping device and longitudinal clamp being mounted in fixture base (2), the transverse direction
Clamping device is used to lock cutter (1) on the length direction of cutter (1), and the longitudinal clamp is used for perpendicular to cutter
(1) cutter (1) is locked on direction.
3. knife sharpening device according to claim 2, which is characterized in that the transverse clamping device includes for withstanding on cutter
On locking bar, be located on the outside of fixture base (2) and the locking head and locking hole that are threadedly coupled with locking bar, the locking hole are opened in
The top of fixture base (2), the locking bar can wear locking hole, and be arranged on the shaft of locking bar positioned at fixture base (2) with
Elastic component between locking head；
And/or
The longitudinal clamp include for withstand on the locking bar on cutter, be located at fixture base (2) on the outside of and with locking bar screw thread
The locking head and locking hole of connection, the locking hole are opened in the top of fixture base (2), and the locking bar can wear locking hole,
And the elastic component between fixture base (2) and locking head is arranged on the shaft of locking bar.
4. knife sharpening device according to claim 1, which is characterized in that the transmission mechanism includes lifting action mechanism with before
Actuating mechanism afterwards, the lifting action mechanism makees straight reciprocating for controlling grinding tool between blade and blade, before described
Actuating mechanism is moved forward and backward for controlling grinding tool along the length direction of cutter (1) afterwards.
5. knife sharpening device according to claim 4, which is characterized in that the power plant of the lifting action mechanism is gas
One kind in cylinder, hydraulic cylinder, motor, electromagnetic draw bar, electric pushrod；And/or the power plant of the fore-aft motion mechanism is gas
One kind in cylinder, hydraulic cylinder, motor, electromagnetic draw bar, electric pushrod.
6. knife sharpening device according to claim 5, which is characterized in that the grinding tool is mounted on hold-down support；The liter
It includes longitudinally guiding rail to drop actuating mechanism, and the longitudinally guiding rail is slidably connected with hold-down support, for guiding grinding tool vertically
Elevating movement；The fore-aft motion mechanism includes laterally steering rail, and the laterally steering rail is slidably connected with the hold-down support,
For guiding grinding tool sliding motion along the longitudinal direction.
7. knife sharpening device according to claim 1, which is characterized in that the avoiding jetting mechanism includes that ultrasonic nozzle and ultrasound are sent out
Raw device, the ultrasonic generator are connected with ultrasonic nozzle.
8. knife sharpening device according to claim 1, which is characterized in that the avoiding jetting mechanism include controller, spray pipe and
Valve for spray washing, the valve for spray washing setting are connect on spray pipe, and with controller, and the controller is for periodically controlling valve for spray washing
Opening and closing.
9. according to the knife sharpening device described in claim 1 or 7 or 8, which is characterized in that the pitch angle control mechanism includes inclination angle control
The device processed and grinding tool angular transducer being connect with pitch angle control device, cutting-tool angle sensor and motor, the grinding tool angle
Sensor is used for the angle of inclination of Real-time Feedback grinding tool, and the cutting-tool angle sensor is used for the inclination of Real-time Feedback cutter (1)
Angle, the pitch angle control device are tilted according to the angle of inclination of grinding tool and the angle of inclination of cutter (1) control motor driving grinding tool
Preset angle.
10. knife sharpening device according to claim 1, which is characterized in that the rechargeable battery is graphene accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721771442.1U CN207788453U (en) | 2017-12-18 | 2017-12-18 | A kind of knife sharpening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721771442.1U CN207788453U (en) | 2017-12-18 | 2017-12-18 | A kind of knife sharpening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207788453U true CN207788453U (en) | 2018-08-31 |
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ID=63280735
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721771442.1U Expired - Fee Related CN207788453U (en) | 2017-12-18 | 2017-12-18 | A kind of knife sharpening device |
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| CN (1) | CN207788453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107900800A (en) * | 2017-12-18 | 2018-04-13 | 陈坚 | A kind of knife sharpening device |
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2017
- 2017-12-18 CN CN201721771442.1U patent/CN207788453U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107900800A (en) * | 2017-12-18 | 2018-04-13 | 陈坚 | A kind of knife sharpening device |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20181218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |