CN207139440U - A kind of electric knife grinder - Google Patents

A kind of electric knife grinder Download PDF

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Publication number
CN207139440U
CN207139440U CN201721035888.8U CN201721035888U CN207139440U CN 207139440 U CN207139440 U CN 207139440U CN 201721035888 U CN201721035888 U CN 201721035888U CN 207139440 U CN207139440 U CN 207139440U
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Prior art keywords
grinding wheel
housing
sharpening
groove
electric knife
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CN201721035888.8U
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Chinese (zh)
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李永亮
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李永亮
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Abstract

The utility model discloses a kind of electric knife grinder, including housing, direct current generator, motor cabinet, leg and grinding wheel component, it is characterised in that the bottom of housing is provided with the leakage bucket communicated with housing;Grinding wheel component includes a coarse plain emery wheel, a fine grinding wheel, grinding wheel spindle and regulation handle device, and grinding wheel spindle can be moved axially by the control of regulation handle device in connecting bushing;The top of housing is provided with the first sharpening groove corresponding with coarse plain emery wheel and the second sharpening groove and the 3rd sharpening groove corresponding with fine grinding wheel and the 4th sharpening groove, the two sides of each sharpening groove are respectively formed V-shaped groove mouth.The utility model is simple in construction, and quality is light and handy, is convenient for carrying, and is powered using low voltage DC motor, securely and reliably;The leakage bucket for being arranged on housing bottom can guarantee that during sharpening abrasive dust and dust not to developing everywhere, environment friendly and pollution-free;The cutter of various different purposes is adapted to, sharpening effect is good, versatile, widely used, has fabulous market popularization value.

Description

A kind of electric knife grinder
Technical field
The utility model belongs to grinding tool technical field, and in particular to a kind of electric knife grinder.
Background technology
Many knife grinding equipments on the market are worked using alternating current at present, and potential safety hazard is quite big, and during sharpening All it is dry grinding, easily causes the heating of blade, causes blade annealing to feel like jelly, have a strong impact on cutting-tool's used life, whetting a knife It is also easy to cause dust to fly upward everywhere in journey, pollutes environment.This knife sharpening device is only suitable for using in the place equipped with civil power, should With being limited in scope.Meanwhile the emery wheel of the knife grinding equipment is generally fixedly mounted, it is difficult to ensure that accurate sharpening angle.Common Knife sharpener, only it is configured with a coarse plain emery wheel or is only configured with a fine grinding wheel, corase grind and fine grinding cutter, distinguishes or else same machine Handled on device;Another common knife sharpener, is configured with two groups of emery wheels of thickness, but thickness emery wheel is separately mounted to the two of motor Head, due to certain distance between thickness emery wheel be present, during process tool, operating personnel need to from machine one be moved to the another of machine Head.All there is the defects of operation is inconvenient, the turnaround time is long, processing efficiency is not high for above-mentioned knife sharpener.
Utility model content
For problem above, the utility model provides a kind of electric knife grinder simple in construction, easy to use, and use is low Direct current generator power supply is pressed, securely and reliably, emery wheel can be adjusted freely vertically, both can guarantee that accurate sharpening position, and and can is fitted Answer the cutter of various different purposes.
For the above-mentioned purpose, technical solution adopted in the utility model is:
A kind of electric knife grinder, including housing, direct current generator, motor cabinet, leg and grinding wheel component, motor cabinet fixed setting In near opening, direct current generator is arranged in motor cabinet, and leg is located at the two bottom sides of housing on the left of housing, it is characterised in that The bottom of housing is provided with the leakage bucket communicated with housing;Grinding wheel component includes a coarse plain emery wheel, a fine grinding wheel, grinding wheel spindle and regulation Handle apparatus, coarse plain emery wheel and fine grinding wheel are sleeved on grinding wheel spindle side by side, are led between grinding wheel spindle one end and the output shaft of direct current generator Connecting bushing connection is crossed, the other end of grinding wheel spindle is connected with regulation handle device, and grinding wheel spindle can pass through the control of regulation handle device System moves axially in connecting bushing;The top of housing be provided with the first sharpening groove corresponding with coarse plain emery wheel and the second sharpening groove, with And the 3rd sharpening groove corresponding with fine grinding wheel and the 4th sharpening groove, the two sides of each sharpening groove are respectively formed V-shaped groove mouth;In shell Inner surface on front side of body is provided with one piece of additional sharpening sheet, and the additional sharpening sheet is provided with the notch being coincide with four sharpening groove shapes, The connection of itself and housing is is detachably connected.
Described regulation handle device includes locking spring, briquetting, emery wheel axle bearing, mobile bearing, handle, supporting methods Blue and locking nut, wherein, briquetting is bonded with fine grinding wheel, and mobile bearing closes the structure of a side opening, movable axis for side Bearing is provided with is provided with limitation emery wheel axle bearing with emery wheel axle bearing of the grinding wheel spindle closely with connection, the opening of mobile bearing The retainer of abjection, the side of mobile bearing closure are fixedly connected with handle;Locking spring is sleeved on grinding wheel spindle, one end with Briquetting is bonded, and the other end is bonded with grinding wheel spindle bearing inner race;Pivot flange is fixedly installed at housing right openings, pivot flange Endoporus be provided with screw thread, be engaged with the external screw thread on handle therethrough, the outer end of handle is provided with rocking bar;Locking screw mother set On handle, positioned at the outside of pivot flange.
Described leg is up-narrow and down-wide trapezium structure, the freely adjustable length of a wherein pin of leg, leg bottom Provided with shockproof glue.
Described connecting bushing is connected by bearing with being installed in the bearing block close-fitting of enclosure interior.
Described left side leg is provided with switch, and switch is connected by wire with direct current generator.
Spacer is provided between described coarse plain emery wheel and fine grinding wheel.
Described housing is hollow metal tube.
Described locking nut side is installed with control crank.
The angle of the intersection of the first described sharpening groove two sides and the intersection of the second sharpening groove two sides is 20 degree to 30 The angle of degree, the intersection of the 3rd described sharpening groove two sides and the intersection of the 4th sharpening groove two sides is 20 degree to 30 degree.
The beneficial effects of the utility model:
(1)Powered using low voltage DC motor, securely and reliably, can switch on power adapter as needed or battery makes With making knife sharpener to be used in any place, there is wide applicability;
(2)Using metal shell, perfect heat-dissipating, service life length;
(3)Four sharpening grooves are provided with shell, emery wheel can be adjusted freely vertically, both can guarantee that accurate sharpening position Put, and can adapts to the cutter of various different purposes, and sharpening effect is good, versatile, widely used;
(4)The bottom of device case is provided with leakage bucket, for collecting coolant and abrasive dust, ensure that abrasive dust during sharpening It is environment friendly and pollution-free with dust not to developing everywhere;
(5)Device is provided with adjustable support feet, can be adjusted according to the flatness on ground, make it even in injustice Ground on can also keep the levelness of sharpening plane, it is ensured that the stability of device work;
(6)Simple in construction, quality is light and handy, is convenient for carrying, and using flexible degree is high, has fabulous market popularization value.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model internal structure schematic diagram.
In figure, housing 1, direct current generator 2, motor cabinet 3, leg 4, leakage bucket 5, coarse plain emery wheel 6, fine grinding wheel 7, grinding wheel spindle 8, even Spindle set 9, the first sharpening groove 10, the second sharpening groove 11, the 3rd sharpening groove 12, the 4th sharpening groove 13, add sharpening sheet 14, locking Spring 15, briquetting 16, emery wheel axle bearing 17, retainer 18, mobile bearing 19, pivot flange 20, locking nut 21, handle 22, shockproof glue 23, bearing block 24, switch 25, spacer 26, bearing 27, operation handle 28.
Embodiment
The utility model is described further with reference to the accompanying drawings and detailed description.
As depicted in figs. 1 and 2, the utility model includes housing 1, direct current generator 2, motor cabinet 3, leg 4 and grinding wheel component, Motor cabinet 3 is fixedly installed near the opening of the left side of housing 1, and direct current generator 2 is arranged in motor cabinet 3, and leg 4 is located at housing 1 Two bottom sides.The leg 4 in left side is provided with switch 25, and switch 25 is connected by wire with direct current generator 2.
Described housing 1 is hollow metal tube, and the bottom of housing 1 is provided with the leakage bucket 5 communicated with housing 1, for collecting Caused abrasive dust during sharpening, and the coolant poured into from sharpening groove, ensure that during sharpening abrasive dust and dust not to Develop everywhere, it is environment friendly and pollution-free.
Grinding wheel component includes a coarse plain emery wheel 6, a fine grinding wheel 7, grinding wheel spindle 8 and regulation handle device, coarse plain emery wheel 6 and fine sand Wheel 7 is sleeved on grinding wheel spindle 8 side by side, is provided with spacer 26 between the two, the output shaft of the one end of grinding wheel spindle 8 and direct current generator 2 it Between connected by connecting bushing 9, connecting bushing 9 is connected by bearing 27 with the close-fitting of bearing block 24 being installed in inside housing 1, sand The other end of wheel shaft 8 is connected with regulation handle device, and grinding wheel spindle 8 can be by the control of regulation handle device in connecting bushing 9 Axial movement, accurate sharpening position was both can guarantee that, and can adapts to the cutter of various different purposes, and sharpening effect is good, versatility By force.
The top of housing 1 is provided with first sharpening groove 10 corresponding with coarse plain emery wheel 6 and the second sharpening groove 11 and and fine grinding wheel 3rd sharpening groove 12 and the 4th sharpening groove 13 corresponding to 7.The two sides of each sharpening groove are respectively formed V-shaped groove mouth.Preferably, institute The angle of the intersection for the two sides of the first sharpening groove 10 stated and the intersection of the two sides of the second sharpening groove 11 is 20 degree to 30 degree, described The intersection of the two sides of the 3rd sharpening groove 12 and the angle of intersection of the two sides of the 4th sharpening groove 13 be 20 degree to 30 degree.User Only cutter need to be roughly ground successively using coarse plain emery wheel 6 and fine grinding wheel 7 and fine grinding in the same side of machine, without changing work Position, has saved process time, has improved processing efficiency.
Inner surface in the front side of housing 1 is provided with one piece of additional sharpening sheet 14, and the additional sharpening sheet 14 is provided with and four sharpenings The identical notch of groove shape, to be detachably connected, the additional sharpening sheet 14 can play protection sharpening groove for the connection of itself and housing Notch is from over worn effect, the service life of extension fixture.
Regulation handle device includes locking spring 15, briquetting 16, emery wheel axle bearing 17, mobile bearing 19, handle 22, branch Staying orchid 20 and locking nut 21, wherein, briquetting 16 is bonded with fine grinding wheel 7, and mobile bearing 19 is that side closes a side opening Structure, mobile bearing 19 is provided with the emery wheel axle bearing 17 that is connected with the close-fitting of grinding wheel spindle 8, the opening of mobile bearing 19 The retainer 18 deviate from provided with limitation emery wheel axle bearing 17, the side that mobile bearing 19 closes are fixedly connected with handle 22;Lock Tight spring 15 is sleeved on grinding wheel spindle 8, and one end is bonded with briquetting 16, and the other end is bonded with the inner ring of emery wheel axle bearing 17;Supporting methods Orchid 20 is fixedly installed at the right openings of housing 1, and the endoporus of pivot flange 20 is provided with screw thread, and on handle 22 therethrough External screw thread is engaged, and the outer end of handle 22 is provided with rocking bar;Locking nut 21 is sleeved on handle 22, positioned at the outer of pivot flange 20 Side.The side of locking nut 21 is installed with control crank 28.
Described leg 4 is up-narrow and down-wide trapezium structure, the freely adjustable length of a wherein pin of leg 4, the bottom of leg 4 Portion is provided with shockproof glue 23, can be adjusted according to the flatness on ground, makes it also to keep whetting a knife on the ground of injustice The levelness of plane, it is ensured that the stability of device work.
In use, first passing through the rocking bar that shake operation handle 28 unclamps locking nut 21, then rotational handle 22, sand is adjusted Below wheel to corresponding sharpening groove, locking nut 21 is locked after regulation.According to being actually needed using power supply adaptor or The direct current generator 2 of battery and device is connected.Switch 25 is opened, starts direct current generator 2, this dress of the hand-held cutter face of user Put.When needing to roughly grind cutter, hold cutter and be sequentially placed into the first sharpening groove 10 and the second sharpening groove 11, respectively to cutter Two sides is roughly ground, and pour into cold water while whetting a knife carries out cooling chip removal to cutter.When needing to correct grinding of tooth, cutter is held It is sequentially placed into the 3rd sharpening groove 12 and the 4th sharpening groove 13, the two sides of cutter is refined respectively, is fallen while whetting a knife Enter cold water and cooling chip removal is carried out to cutter.When few, sharp cutter is just ground.
The bottom of housing 1 is provided with the leakage bucket 5 communicated with housing 1, caused abrasive dust during being whetted a knife for collection, and The coolant poured into from sharpening groove, abrasive dust and dust are ensure that during sharpening not to developing everywhere, it is environment friendly and pollution-free.It can be used Water pipe connects leakage bucket 5 with water-storing device, and the discarded object that leakage bucket 5 is collected is drained into water-storing device.

Claims (9)

1. a kind of electric knife grinder, including housing(1), direct current generator(2), motor cabinet(3), leg(4)And grinding wheel component, motor Seat(3)It is fixedly installed on housing(1)Near the opening of left side, direct current generator(2)Installed in motor cabinet(3)It is interior, leg(4)Positioned at shell Body(1)Two bottom sides, it is characterised in that housing(1)Bottom be provided with and housing(1)The leakage bucket communicated(5);Grinding wheel component Including a coarse plain emery wheel(6), a fine grinding wheel(7), grinding wheel spindle(8)And regulation handle device, coarse plain emery wheel(6)And fine grinding wheel(7)And Row is sleeved on grinding wheel spindle(8)On, grinding wheel spindle(8)One end and direct current generator(2)Output shaft between pass through connecting bushing(9)Even Connect, grinding wheel spindle(8)The other end be connected with regulation handle device, grinding wheel spindle(8)Can be by the control of regulation handle device even Spindle set(9)Interior axial movement;Housing(1)Top be provided with and coarse plain emery wheel(6)Corresponding first sharpening groove(10)With the second mill Cutter groove(11)And and fine grinding wheel(7)Corresponding 3rd sharpening groove(12)With the 4th sharpening groove(13), the two of each sharpening groove Side is respectively formed V-shaped groove mouth;In housing(1)The inner surface of front side is provided with one piece of additional sharpening sheet(14), the additional sharpening sheet (14)Provided with the notch being coincide with four sharpening groove shapes, itself and housing(1)Connection to be detachably connected.
2. electric knife grinder according to claim 1, it is characterised in that described regulation handle device includes locking spring (15), briquetting(16), emery wheel axle bearing(17), mobile bearing(19), handle(22), pivot flange(20)And locking nut (21), wherein, briquetting(16)With fine grinding wheel(7)Fitting, mobile bearing(19)The structure of a side opening, activity are closed for side Bearing block(19)It is provided with and grinding wheel spindle(8)The emery wheel axle bearing of close-fitting connection(17), mobile bearing(19)Opening set Restricted emery wheel axle bearing(17)The retainer of abjection, mobile bearing(19)The side of closure and handle(22)It is fixedly connected; Locking spring(15)It is sleeved on grinding wheel spindle(8)On, one end and briquetting(16)Fitting, the other end and emery wheel axle bearing(17)Inner ring pastes Close;Pivot flange(20)It is fixedly installed on housing(1)At right openings, pivot flange(20)Endoporus be provided with screw thread, with through Handle therein(22)On external screw thread be engaged, handle(22)Outer end be provided with rocking bar;Locking nut(21)It is sleeved on handle On, positioned at pivot flange(20)Outside.
3. electric knife grinder according to claim 1, it is characterised in that described leg(4)To be up-narrow and down-wide trapezoidal Structure, leg(4)The freely adjustable length of a wherein pin, leg(4)Bottom is provided with shockproof glue(23).
4. electric knife grinder according to claim 1, it is characterised in that described connecting bushing(9)Pass through bearing(27) With being installed in housing(1)Internal bearing block(24)Close-fitting connects.
5. electric knife grinder according to claim 1, it is characterised in that described housing(1)The leg of bottom left(4) Provided with switch(25), switch(25)Pass through wire and direct current generator(2)Connection.
6. electric knife grinder according to claim 1, it is characterised in that described coarse plain emery wheel(6)And fine grinding wheel(7)Between It is provided with spacer(26).
7. electric knife grinder according to claim 1, it is characterised in that described housing(1)For hollow metal tube.
8. electric knife grinder according to claim 2, it is characterised in that described locking nut(21)Side is installed with behaviour Vertical handle(28).
9. electric knife grinder according to claim 1, it is characterised in that the first described sharpening groove(10)The friendship of two sides Line and the second sharpening groove(11)The angle of the intersection of two sides is 20 degree to 30 degree, the 3rd described sharpening groove(12)Two sides Intersection and the 4th sharpening groove(13)The angle of the intersection of two sides is 20 degree to 30 degree.
CN201721035888.8U 2017-08-18 2017-08-18 A kind of electric knife grinder Active CN207139440U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721035888.8U CN207139440U (en) 2017-08-18 2017-08-18 A kind of electric knife grinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721035888.8U CN207139440U (en) 2017-08-18 2017-08-18 A kind of electric knife grinder

Publications (1)

Publication Number Publication Date
CN207139440U true CN207139440U (en) 2018-03-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721035888.8U Active CN207139440U (en) 2017-08-18 2017-08-18 A kind of electric knife grinder

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110815072A (en) * 2019-11-12 2020-02-21 深圳市黄金庄园科技有限公司 Knife sharpener with movable knife sharpening opening
CN111975473A (en) * 2020-08-25 2020-11-24 重庆市大足区永利刀具有限公司 Automatic double-grinding-piece knife grinding device for kitchen knife processing

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110815072A (en) * 2019-11-12 2020-02-21 深圳市黄金庄园科技有限公司 Knife sharpener with movable knife sharpening opening
WO2021093473A1 (en) * 2019-11-12 2021-05-20 深圳市黄金庄园科技有限公司 Knife sharpener having movable knife sharpening opening
CN110815072B (en) * 2019-11-12 2021-09-14 深圳市黄金庄园科技有限公司 Knife sharpener with movable knife sharpening opening
CN111975473A (en) * 2020-08-25 2020-11-24 重庆市大足区永利刀具有限公司 Automatic double-grinding-piece knife grinding device for kitchen knife processing

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