CN114800063B - Knife sharpener with self-adaptation function - Google Patents
Knife sharpener with self-adaptation function Download PDFInfo
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- CN114800063B CN114800063B CN202210466370.9A CN202210466370A CN114800063B CN 114800063 B CN114800063 B CN 114800063B CN 202210466370 A CN202210466370 A CN 202210466370A CN 114800063 B CN114800063 B CN 114800063B
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- Prior art keywords
- knife
- sharpening
- knife sharpener
- sharpener
- connecting piece
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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
- B24B3/54—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of hand or table knives
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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
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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
- B24B41/02—Frames; Beds; Carriages
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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
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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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 discloses a knife sharpener with self-adapting function, which aims to provide a self-adapting knife sharpener avoiding more grinding or less grinding, comprising: the knife sharpener comprises a knife sharpener body, wherein a knife holder is arranged at the bottom end of the knife sharpener body, a moving mechanism and a knife sharpening mechanism are arranged at the upper end of the knife sharpener body, the knife sharpening mechanism comprises a mounting seat connected to the moving end of the moving mechanism, a first knife sharpener and a second knife sharpener which are rotatably arranged on the mounting seat, and a knife sharpening gap for sharpening is formed between the first knife sharpener and the second knife sharpener; the mounting seat is rotatably connected with a retainer, and the retainer is provided with blocking parts corresponding to the front end and the rear end of the sharpening gap respectively; the gap between the two blocking parts is used for the blade to pass through and enter the sharpening gap; the invention relates to the technical field of knife sharpeners.
Description
Technical Field
The invention relates to the technical field of knife sharpeners, in particular to a knife sharpeners with a self-adaptive function.
Background
With the development of the age, the living standard of people is improved, and the daily traditional tools in the kitchen are difficult to meet the daily demands of people. Traditional whetstone and sharpener are large in size and attractive, popularity in modern families is low, sharpening skills can not be achieved by most people, so that family kitchen knives are dull, places where sharpening is difficult to find or sharpening methods are wrong to use, ideal sharpness is not achieved, the edges cannot be quickly repaired by sharpening devices on sharpening seats on the market due to the fact that the edges are worn out due to improper use, certain troubles are caused for people, the tools are replaced or people are found to sharpen, living costs are increased while the troubles are brought, and the electric-driven automatic sharpener is used for solving the problems.
The existing automatic knife sharpener can only move linearly, and the sharpening effect of the linearly moving knife sharpener on the changing part of the blade path can not meet the requirement when dealing with some knives with inclined knife tips, so that the problem of more sharpening or less sharpening often occurs.
Disclosure of Invention
Aiming at the defects and shortcomings of the prior art, the knife sharpener with the self-adaptive function is provided, which comprises: the knife sharpener comprises a knife sharpener body, wherein a knife holder is arranged at the bottom end of the knife sharpener body, a moving mechanism and a knife sharpening mechanism are arranged at the upper end of the knife sharpener body, the knife holder is used for placing a knife, the knife sharpening mechanism comprises a mounting seat connected to the moving end of the moving mechanism, and a knife sharpener rotatably arranged on the mounting seat, the knife sharpener is provided with a sharpening gap for sharpening, and the mounting seat is connected with the moving end of the moving mechanism through a telescopic frame;
the mounting seat is rotatably connected with a retainer, and the retainer is provided with blocking parts corresponding to the front end and the rear end of the sharpening gap respectively;
the gap between the two blocking parts is used for the blade to pass through and enter the sharpening gap, and the two blocking parts are attached to the blades at two sides of the sharpening gap so as to limit the entering amount of the blades;
the moving mechanism drives the sharpening gap to move along the length direction of the cutter, and the rotating retainer is retracted or extended by the expansion bracket, so that the blocking part keeps fit with the cutting edge to continuously limit the entering amount of the cutting edge into the sharpening gap.
After adopting the structure, the knife sharpener with the self-adaptive function has the following advantages compared with the prior art: when the knife blade is used, the blocking parts are propped against the knife blade, and the knife blade part between the two blocking parts enters the knife sharpening gap to be polished; further, the moving end of the moving mechanism moves to enable the sharpening gap to move along the length direction of the cutter, when the path of the blade is an inclined path, the retainer can rotate according to the inclined path and continuously limit the entering amount of the blade into the sharpening gap by the fit between the blocking part and the blade through the extension or retraction of the telescopic bracket, the sharpening gap can undulate along with the fluctuation of the path of the blade, and the problem that the sharpening gap cannot float to cause multiple grinding or less grinding when the position with the changed path of the blade is polished is avoided.
As an improvement of the invention, the moving end of the moving mechanism is provided with a connecting seat;
the expansion bracket comprises a first connecting piece and a second connecting piece;
the upper end of the first connecting piece is hinged with the connecting seat, and the lower end of the first connecting piece is connected with the mounting seat and can transversely slide relative to the mounting seat;
the second connecting piece is arranged in a crossed structure with the first connecting piece, the upper end of the second connecting piece is connected with the connecting seat and can transversely slide relative to the connecting seat, and the lower end of the second connecting piece is hinged with the mounting seat. According to the improvement, the knife holder is arranged below the telescopic frame, under the influence of self gravity of the knife sharpening mechanism, the knife sharpening gap is lowered to the position that the knife edge enters the knife sharpening gap, and when the blocking part moves along with the path, if the path of the knife edge becomes high, the path fed back by the blocking part is blocked, so that the mounting seat is lifted, and the knife sharpening gap is further floated.
The second connecting piece transversely slides along the connecting seat to change the contained angle between first connecting piece and the second connecting piece, contained angle a increases between first connecting piece and the second connecting piece and then stretches the stroke of end that stretches out, and contained angle a reduces and then retracts the stroke.
As an improvement of the invention, the connecting seat is transversely provided with a first chute, a first pin shaft is arranged in the first chute, and the first pin shaft is connected with a second connecting piece. The improvement ensures that the structure layout is reasonable and the operation is reliable.
As an improvement of the invention, the mounting seat is transversely provided with a second chute, a second pin shaft is arranged in the second chute, and the second pin shaft is connected with the first connecting piece. The improvement ensures that the structure layout is reasonable and the operation is reliable.
As an improvement of the invention, the output end of the worm motor is connected with a gear in a meshed manner, the transmission piece is a rack, the left side of the rack is meshed with the gear and is driven to move transversely by the output end of the worm motor, and the right side of the rack is matched and abutted against the first pin shaft. Because worm motor is through turbine and worm's transmission mode to gear transport moment of torsion with drive rack removal with the expansion bracket extension or retract, owing to turbine and worm driven characteristics, can self locking position after the outage, the output can not rotate this moment, and sharpening mechanism's position is locked and can not appear the whereabouts, and sharpening mechanism's position can not be fixed when avoiding the outage causes sharpening mechanism to be fragile, and the user uses the poor problem of experience.
As an improvement of the invention, the connecting seat is provided with an assembling space for the rack to transversely slide, a cover plate is arranged above the assembling space, the worm motor is arranged on the surface of the cover plate, the output end of the worm motor passes through the cover plate to be connected with the coaxial center of the gear, and the gear is meshed with the tooth part of the front end face of the rack. The rack is provided with an assembling space for transversely sliding the rack, one side of the assembling space is also provided with an accommodating space for accommodating the gear, and the assembling space plays a role in guiding and limiting the transverse sliding of the rack, so that the rack can be meshed with the gear, the running reliability is improved, and the service life is prolonged; the cover plate which can be detachably connected above the assembly space can be detached to maintain the gear or the rack inside when the inside maintenance is needed, and the device has the characteristic of convenient maintenance; the gear and the rack are arranged in a relatively closed space to avoid the entry of impurities, so that the service life is prolonged.
As an improvement of the invention, the middle positions of the first connecting piece and the second connecting piece are hinged with each other through a shaft pin.
As an improvement of the invention, the connecting seat is provided with two connecting plates downwards in a protruding way, the first knife grinder and the second knife grinder are positioned between the two connecting plates, the two connecting plates are provided with rotating shafts in a penetrating way, the first knife grinder and the second knife grinder are connected with the rotating shafts, one end of each rotating shaft is connected with a second motor, and the output end of each second motor rotates to drive the first knife grinder and the second knife grinder to coaxially rotate through the rotating shafts; the space between the opposite end surfaces of the first knife sharpener and the second knife sharpener forms the sharpening gap.
As an improvement of the invention, the rotating shaft is sleeved with the connecting sleeve, the connecting sleeve is fixedly connected with the rotating shaft, the retainer is provided with the clamp clamped at the outer side of the connecting sleeve, and the clamp is rotationally connected with the connecting sleeve. The improvement is that the rotating structure of the retainer is simple in design and reliable in operation.
As an improvement of the invention, the retainer is provided with a concave part corresponding to the first knife sharpener and the second knife sharpener, and the inner side of the concave part forms a containing space for the first knife sharpener and the second knife sharpener to sink into. Above-mentioned improvement, place first sharpener and second sharpener in relative confined accommodation space, the metal particle that produces when sharpening is by the effectual interception of accommodation space's medial surface, avoids the metal thing to splash in the sharpener is this internally, makes the sharpener internal keep relative clean space, makes the device operation reliable, promotes the use experience.
As an improvement of the invention, an opening penetrating through the retainer is arranged at the concave part, connecting parts are arranged at the two ends of the opening and are close to the upper end of the concave part in an outward extending mode, the blocking parts are baffle columns, and the baffle columns are arranged on the connecting parts. The improvement is that the baffle column is matched with the blade stably and reliably, so that the retainer can operate reliably; the opening is used for the blade to enter the sharpening gap, so that the structural layout is reasonable.
Drawings
Fig. 1 is a schematic view of the internal structure of the sharpener body of the present invention.
Fig. 2 is a schematic structural view of the cage of the present invention.
Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present invention.
FIG. 4 is a schematic view of the telescopic frame of the present invention
Fig. 5 is a schematic diagram of the position structure of the transmission member on the connecting seat of the present invention.
Fig. 6 is a schematic diagram of the position structure of the worm motor on the connecting seat of the invention.
Fig. 7 is a schematic view of the gear and rack cooperation structure of the present invention.
Fig. 8 is a schematic view of the position structure of the gear and rack of the present invention.
Fig. 9 is a schematic structural view of the present invention.
The figure shows: 1. a sharpener body; 2. a tool apron; 3. a connecting seat; 3.1, a first chute; 3.11, a first pin shaft; 3.2, an assembly space; 4. a moving mechanism; 4.1, a screw rod; 4.2, a screw rod bearing; 4.3, a second motor; 5. a telescopic frame; 5.1, a first connector; 5.2, a second connecting piece; 6. a knife sharpening mechanism; 6.1, a mounting seat; 6.11, a second chute; 6.2, a first motor; 6.3, a first knife sharpener; 6.4, a second knife sharpener; 7. a cover plate; 7.1, a baffle; 8. a second pin; 9. a retainer; 9.1, a blocking part; 9.3, concave parts; 9.4, a connecting part; 9.5, clamping hoop; 10. a connecting plate; 11. a rotating shaft; 12. connecting sleeves; 13. a worm motor; 13.1, gears; 13.2, a transmission piece; 14. a sleeve; 15. a guide post; 15.1; an elastic member; 16. a circuit board; 17. and (3) a magnet.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
Referring to fig. 1-9, a knife sharpener with adaptive function, comprising: the knife sharpener comprises a knife sharpener body 1, wherein a knife holder 2 is arranged at the bottom end of the knife sharpener body 1, a moving mechanism 4 and a knife sharpening mechanism 6 are arranged at the upper end of the knife sharpener body 1, the knife holder 2 is used for placing a knife, the knife sharpening mechanism 6 comprises a mounting seat 6.1 connected to the moving end of the moving mechanism 4 and a knife sharpener rotatably arranged on the mounting seat 6.1, the knife sharpener is provided with a knife sharpening gap for sharpening, and the mounting seat 6.1 is connected with the moving end of the moving mechanism 4 through a telescopic bracket 5;
the mounting seat 6.1 is rotatably connected with a retainer 9, and the retainer 9 is provided with blocking parts 9.1 corresponding to the front end and the rear end of the sharpening gap respectively;
the gap between the two blocking parts 9.1 is used for the blade to pass through and enter the sharpening gap, and the two blocking parts 9.1 are attached to the blades at the two sides of the sharpening gap to limit the entering amount of the blades;
the moving mechanism 4 drives the sharpening gap to move along the length direction of the cutter, and the rotating retainer 9 is retracted or extended by the telescopic frame 5, so that the blocking part 9.1 keeps the fit with the cutting edge to continuously limit the entering amount of the cutting edge into the sharpening gap.
After adopting the structure, the knife sharpener with the self-adaptive function has the following advantages compared with the prior art: when in use, the blocking parts 9.1 are propped against the blade, and the blade part between the two blocking parts 9.1 enters the sharpening gap to be sharpened; further, the moving end of the moving mechanism 4 moves to enable the sharpening gap to move along the length direction of the cutter, when the path of the blade is an inclined path, the retainer 9 can rotate according to the inclined path and can continuously limit the entering amount of the blade into the sharpening gap by the fit between the blocking part 9.1 and the blade through the extension or retraction of the telescopic frame 5, the sharpening gap can undulate along with the fluctuation of the path of the blade, and the problem that the sharpening gap cannot float to cause multiple grinding or less grinding when the part with the changed path of the blade is polished is avoided.
As an improvement of the invention, the moving end of the moving mechanism 4 is provided with a connecting seat 3;
the expansion bracket 5 comprises a first connecting piece 5.1 and a second connecting piece 5.2;
the upper end of the first connecting piece 5.1 is hinged with the connecting seat 3, and the lower end of the first connecting piece is connected with the mounting seat 6.1 and can transversely slide relative to the mounting seat 6.1;
the second connecting piece 5.2 and the first connecting piece 5.1 are arranged in a crossed structure, the upper end of the second connecting piece 5.2 is connected with the connecting seat 3 and can transversely slide relative to the connecting seat 3, and the lower end of the second connecting piece 5.2 is hinged with the mounting seat 6.1. According to the improvement, as the tool apron 2 is positioned below the telescopic frame 5, under the influence of self gravity of the sharpening mechanism 6, the sharpening gap is lowered to the point that the blade enters the sharpening gap, and when the blocking part 9.1 moves along with the path, if the path of the blade becomes high, the path fed back by the blocking part 9.1 makes the mounting seat 6.1 rise, so that the sharpening gap floats, and the device has the characteristics of simple and reliable structure and relatively low manufacturing cost.
The second connecting piece 5.2 transversely slides along the connecting seat 3 to change the included angle between the first connecting piece 5.1 and the second connecting piece 5.2, the included angle a between the first connecting piece 5.1 and the second connecting piece 5.2 increases, the telescopic end extends for a stroke, and the included angle a decreases, and the telescopic end retracts for a stroke.
As an improvement of the invention, the connecting seat 3 is transversely provided with a first chute 3.1, a first pin shaft 3.11 is arranged in the first chute 3.1, and the first pin shaft 3.11 is connected with a second connecting piece 5.2. The improvement ensures that the structure layout is reasonable and the operation is reliable.
As an improvement of the invention, the mounting seat 6.1 is transversely provided with a second chute 6.11, a second pin shaft 8 is arranged in the second chute 6.11, and the second pin shaft 8 is connected with the first connecting piece 5.1. The improvement ensures that the structure layout is reasonable and the operation is reliable.
As an improvement of the invention, the output end of the worm motor 13 is connected with a gear 13.1 in a meshed manner, the transmission piece 13.2 is a rack, the left side of the rack is meshed with the gear 13.1 and is driven to move transversely by the output end of the worm motor 13, and the right side of the rack is matched and abutted against the first pin shaft 3.11. Because worm motor 13 is through turbine and worm's transmission mode to gear 13.1 transport moment of torsion in order to drive the rack and remove with expansion bracket 5 extension or retract, owing to turbine and worm drive's characteristics, can self locking position after the outage, the output can not rotate this moment, and sharpening mechanism 6's position is locked and can not appear the whereabouts, and sharpening mechanism 6's position can not be fixed when avoiding the outage causes sharpening mechanism 6 easily to be impaired, and the user uses the poor problem of experience.
As an improvement of the invention, the connecting seat 3 is provided with an assembling space 3.2 for the rack to transversely slide, a cover plate 7 is arranged above the assembling space 3.2, the worm motor 13 is arranged on the surface of the cover plate 7, the output end of the worm motor passes through the cover plate 7 and is coaxially connected with a gear 13.1, and the gear 13.1 is meshed with the tooth part of the front end face of the rack. An assembly space 3.2 for the rack to transversely slide is arranged, a containing space for containing the gear 13.1 is also arranged at one side of the assembly space 3.2, and the assembly space 3.2 plays a role in guiding and limiting the transverse sliding of the rack, so that the rack can be meshed with the gear 13.1, the running reliability is improved, and the service life is prolonged; the cover plate 7 is detachably connected above the assembly space 3.2, when the inside maintenance is needed, the gear 13.1 or the rack inside can be maintained by removing the cover plate 7, and the device has the characteristic of convenience in maintenance; the gear 13.1 and the rack are arranged in a relatively closed space to avoid entry of impurities and prolong the service life.
As a development of the invention, the intermediate positions of the first connecting piece 5.1 and the second connecting piece 5.2 are articulated to each other by means of a pivot pin.
As an improvement of the invention, the connecting seat 3 is provided with two connecting plates 10 in a protruding way, the first knife sharpener 6.3 and the second knife sharpener 6.4 are positioned between the two connecting plates 10, the two connecting plates 10 are provided with rotating shafts 11 in a penetrating way, the first knife sharpener 6.3 and the second knife sharpener 6.4 are connected with the rotating shafts 11, one end of each rotating shaft 11 is connected with a second motor 4.3, and the output end of each second motor 4.3 rotates to drive the first knife sharpener 6.3 and the second knife sharpener 6.4 to coaxially rotate through the rotating shafts 11; the space between the opposite end faces of the first and second sharpeners 6.3, 6.4 constitutes the sharpening gap.
As an improvement of the invention, the rotating shaft 11 is sleeved with the connecting sleeve 12, the connecting sleeve 12 is fixedly connected with the rotating shaft 11, the retainer 9 is provided with the clamp 9.5 clamped at the outer side of the connecting sleeve 12, and the clamp 9.5 is rotatably connected with the connecting sleeve 12. The improvement is that the rotating structure of the retainer 9 is simple in design and reliable in operation.
As an improvement of the invention, the retainer 9 is provided with a concave part 9.3 corresponding to the first knife sharpener 6.3 and the second knife sharpener 6.4, and a containing space for the first knife sharpener 6.3 and the second knife sharpener 6.4 to sink is formed inside the concave part 9.3. Above-mentioned improvement, place first sharpener 6.3 and second sharpener 6.4 in relative confined accommodation space, the metal particle that produces when sharpening is by the effectual interception of accommodation space's medial surface, avoids the metal thing to splash in sharpener body 1, makes sharpener body 1 in keeping relative clean space, makes the device operation reliable, promotes the use experience.
As an improvement of the invention, an opening penetrating through the retainer 9 is arranged at the concave part 9.3, the connecting parts 9.4 are arranged at the two ends of the opening and are extended outwards near the upper end position of the concave part 9.3, the blocking parts 9.1 are baffle columns, and the baffle columns are arranged on the connecting parts 9.4. The improvement is that the baffle column is matched with the blade stably and reliably, so that the retainer 9 can ensure that the retainer 9 operates reliably; the opening is used for the blade to enter the sharpening gap, so that the structural layout is reasonable.
Working principle: the knife rest 2 is positioned below the knife sharpener body 1, and a placing gap for placing a knife transversely and with an upward cutting edge is arranged on the knife rest 2;
the moving mechanism 4 comprises a screw rod 4.1 arranged on the knife sharpener body 1 above the knife holder 2, a screw rod 4.1 bearing is sleeved on the screw rod 4.1, the screw rod 4.1 bearing is connected with the connecting seat 3, the screw rod 4.1 is connected with a second motor 4.3, and the second motor 4.3 drives the screw rod to rotate;
in the state of the initial position of the knife sharpening mechanism 6, the first pin shaft 3.11 is positioned on the right side of the first chute 3.1, the second pin shaft 8 is positioned on the right side of the second chute 6.11, at the moment, the included angle a between the first connecting piece 5.1 and the second connecting piece 5.2 is at the maximum included angle, the telescopic frame 5 is in the state of the final retracted position, and the distance between the mounting seat 6.1 and the connecting seat 3 is the minimum;
the mounting seat 6.1 is provided with a sleeve 14 on one side, a guide post 15 is penetrated in the sleeve 14, the guide post 15 is provided with a step part, when the step part is propped against the bottom of the sleeve 14, the downward movement of the guide post 15 has a limit position, the position is the initial position of the guide post 15, in the initial position state, the lower end of the guide post 15 is opposite to the upper end of a blocking part 9.1 at the front end of the retainer 9, the upper end of the guide post 15 is connected with an elastic piece 15.1, the upper end of the elastic piece 15.1 is propped against a shaft pin at the middle position of the first connecting piece 5.1 and the second connecting piece 5.2, when the retainer 9 rotates to the blocking part 9.1 to contact the guide post 15, the guide post 15 is pushed upwards, the elastic piece 15.1 provides a pretightening force for the guide post 15, and the elastic action of the guide post 15 is exerted on the upper end of the blocking part 9.1 to force the blocking part 9.1 to keep the blocking part 9.1 to be attached to the cutter blade.
The assembly space 3.2 is provided with a circuit board 16, one end of the rack is provided with a magnet 17, the circuit board 16 is provided with a plurality of Hall sensing elements corresponding to the transverse movement track of the magnet 17 along with the rack, and at least one of the Hall sensing elements is used for monitoring the limit position of transverse left movement of the rack when the magnet 17 is identified, and the telescopic frame 5 is positioned at the extended limit stroke position; at least one limit position for monitoring the lateral movement of the rack when the magnet 17 is detected, the telescopic bracket 5 being in the extended intermediate travel position; at least one intermediate position for monitoring the transverse movement of the rack when the magnet 17 is detected, the telescopic frame 5 being in the retracted limit travel position;
when the knife sharpening mechanism 6 is in an initial position state, the controller controls the output end of the first motor 6.2 to rotate so as to drive the screw rod 4.1 to synchronously rotate, and the screw rod 4.1 drives the screw rod 4.1 to move through a bearing so as to enable the telescopic frame 5 and the mounting seat 6.1 to move to a knife sharpening gap above the knife to be opposite to the knife edge of the knife;
further, the output end of the worm motor 13 is controlled to reversely rotate and synchronously reversely rotate by controlling the linkage gear 13.1, at the moment, under the self gravity of the sharpening mechanism 6, the first pin shaft 3.11 keeps contact with the right end face of the rack and slides to the left side of the first chute 3.1 until the grinding wheel of the sharpening mechanism 6 contacts with the knife edge and the knife point of the knife, and the output end of the worm motor 13 can be controlled to stop rotating;
further, the user controls the first motor 6.2 to rotate, and the output end of the first motor 6.2 is linked with the rotation of the first knife sharpener 6.3 and the second knife sharpener 6.4 to polish the edge of the knife;
further, the output end of the first motor 6.2 of the user rotates to enable the sharpening gap to move along the length direction of the cutter;
in the process, the blocking part 9.1 can keep contact with the end face of the blade continuously along with the rotating retainer 9, and the track of the path change of the blade is transmitted to the mounting seat 6.1, if the mounting seat 6.1 undulates, the mounting seat 3 also undulates relative to the expansion bracket 5 so as to float the sharpening gap and keep fit with the blade;
after the polishing process is finished, the user controls the output end of the first motor 6.2 to stop rotating, further, controls the output end of the worm motor 13 to positively rotate to drive the gear 13.1 to positively rotate synchronously, at the moment, the right side end face of the rack provides acting force for the first pin shaft 3.11 to push the first pin shaft 3.11 to the right side of the first sliding groove 3.1, the included angle between the first connecting piece 5.1 and the second connecting piece 5.2 is increased to the maximum included angle, the sharpening mechanism 6 can be reset, the user can take out the cutter, and after the worm motor 13 is powered off, the position locking of the sharpening mechanism 6 is realized through the transmission characteristic.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (7)
1. A sharpener with self-adaptive function, comprising: the knife sharpener comprises a knife sharpener body (1), wherein a knife holder (2) is arranged at the bottom end of the knife sharpener body (1), a moving mechanism (4) and a knife sharpening mechanism (6) are arranged at the upper end of the knife sharpener body, the knife holder (2) is used for placing a knife, the knife sharpening mechanism (6) comprises a mounting seat (6.1) connected to the moving end of the moving mechanism (4) and a knife sharpener (6.3) rotatably arranged on the mounting seat (6.1), the knife sharpener (6.3) is provided with a knife sharpening gap for sharpening, and the mounting seat is connected with the moving end of the moving mechanism (4) through a telescopic bracket (5);
the mounting seat (6.1) is rotationally connected with a retainer (9), and the retainer (9) is provided with blocking parts (9.1) corresponding to the front end and the rear end of the sharpening gap respectively;
a gap between the two blocking parts (9.1) is used for the blade to pass through and enter the sharpening gap, and the two blocking parts (9.1) are attached to the blades at two sides of the sharpening gap to limit the entering amount of the blade;
the moving mechanism (4) drives the sharpening gap to move along the length direction of the cutter, and the rotating retainer extends or retracts through the telescopic frame (5) so that the blocking part (9.1) keeps fit with the cutting edge to continuously limit the entering amount of the cutting edge into the sharpening gap;
a connecting seat (3) is arranged at the moving end of the moving mechanism (4);
the telescopic frame (5) comprises a first connecting piece (5.1) and a second connecting piece (5.2);
the upper end of the first connecting piece (5.1) is hinged with the connecting seat (3), and the lower end of the first connecting piece is connected with the mounting seat (6.1) and can transversely slide relative to the mounting seat (6.1);
the second connecting piece (5.2) and the first connecting piece (5.1) are arranged in a crossed structure, the upper end of the second connecting piece (5.2) is connected with the connecting seat (3) and can transversely slide relative to the connecting seat (3), and the lower end of the second connecting piece (5.2) is hinged with the mounting seat (6.1);
the connecting seat (3) is transversely provided with a first sliding groove (3.1), a first pin shaft (3.11) is arranged in the first sliding groove (3.1), and the first pin shaft (3.11) is connected with a second connecting piece (5.2);
the self-adaptive knife sharpener further comprises a worm motor (13), wherein the output end of the worm motor (13) is connected with a gear (13.1) in a meshed mode, the gear (13.1) is meshed with a transmission piece (13.2), the transmission piece (13.2) is a rack, the left side of the rack is meshed with the gear (13.1) and is driven to transversely move by the output end of the worm motor (13), and the right side of the rack is matched and propped against the first pin shaft (3.11); the output end of the worm motor (13) is controlled to reversely rotate synchronously by controlling the output end reverse rotation linkage gear (13.1), at the moment, under the self gravity of the sharpening mechanism (6), the first pin shaft (3.11) keeps in contact with the right side end face of the rack and slides to the left side of the first chute (3.1) until the grinding wheel of the sharpening mechanism (6) is in contact with the knife edge and the knife point of the knife, and the output end of the worm motor (13) can be controlled to stop rotating.
2. The self-adaptive knife sharpener of claim 1, wherein: the mounting seat (6.1) is transversely provided with a second sliding groove (6.11), a second pin shaft (8) is arranged in the second sliding groove (6.11), and the second pin shaft (8) is connected with the first connecting piece (5.1).
3. The self-adaptive knife sharpener of claim 2, wherein: the connecting seat (3) is provided with an assembling space (3.2) for the rack to transversely slide, a cover plate (7) is arranged above the assembling space (3.2), the worm motor (13) is arranged on the surface of the cover plate (7), the output end of the worm motor passes through the cover plate (7) and is connected with the gear (13.1) through the same shaft center, and the gear (13.1) is meshed with the tooth part of the front end face of the rack.
4. The self-adaptive knife sharpener of claim 2, wherein: the connecting seat (3) is provided with two connecting plates (10) in a downward protruding mode, the knife sharpeners comprise a first knife sharpeners (6.3) and a second knife sharpeners (6.4), the first knife sharpeners (6.3) and the second knife sharpeners (6.4) are located between the two connecting plates (10), two connecting plates (10) are provided with rotating shafts (11) in a penetrating mode, the first knife sharpeners (6.3) and the second knife sharpeners (6.4) are connected with the rotating shafts (11), one end of each rotating shaft (11) is connected with a second motor (4.3), and the output ends of the second motors (4.3) rotate through the rotating shafts (11) to drive the first knife sharpeners (6.3) and the second knife sharpeners (6.4) to coaxially rotate; the space between the opposite end surfaces of the first knife sharpener (6.3) and the second knife sharpener (6.4) forms the sharpening gap.
5. The adaptive knife sharpener of claim 4, wherein: the rotary shaft (11) is sleeved with a connecting sleeve (12), the connecting sleeve (12) is fixedly connected with the rotary shaft (11), the retainer (9) is provided with a clamp (9.5) which is clamped on the outer side of the connecting sleeve (12), and the clamp (9.5) is rotationally connected with the connecting sleeve (12).
6. The self-adaptive knife sharpener of claim 2, wherein: the retainer (9) is provided with a concave part (9.3) corresponding to the first knife sharpener (6.3) and the second knife sharpener (6.4), and a containing space for the first knife sharpener (6.3) and the second knife sharpener (6.4) to sink is formed on the inner side of the concave part (9.3).
7. The adaptive knife sharpener of claim 6, wherein: an opening penetrating through the retainer (9) is formed in the concave part (9.3), a connecting part (9.4) is arranged at the two ends of the opening and close to the upper end of the concave part (9.3) in an outward extending mode, the blocking part (9.1) is a blocking column, and the blocking column is arranged on the connecting part (9.4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210466370.9A CN114800063B (en) | 2022-04-29 | 2022-04-29 | Knife sharpener with self-adaptation function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210466370.9A CN114800063B (en) | 2022-04-29 | 2022-04-29 | Knife sharpener with self-adaptation function |
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| Publication Number | Publication Date |
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| CN114800063A CN114800063A (en) | 2022-07-29 |
| CN114800063B true CN114800063B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210466370.9A Active CN114800063B (en) | 2022-04-29 | 2022-04-29 | Knife sharpener with self-adaptation function |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2747014Y (en) * | 2004-08-03 | 2005-12-21 | 晟青企业有限公司 | Knife grinder |
| CN201604042U (en) * | 2009-12-25 | 2010-10-13 | 上海电机学院 | Household double-surface sharpener |
| US9452508B2 (en) * | 2013-07-24 | 2016-09-27 | Bar 3 Products Group, Llc | Adjustable knife holder adapted to maintain sharpness of a knife blade and method of manufacturing the adjustable knife holder |
| CN209812095U (en) * | 2019-04-20 | 2019-12-20 | 杭州富阳宝璐机械有限公司 | Knife sharpener |
| CN112873073A (en) * | 2021-02-05 | 2021-06-01 | 郑晓鹏 | Intelligent electric knife sharpener |
| CN113843665A (en) * | 2021-08-18 | 2021-12-28 | 余姚市诺顿电器有限公司 | Two-sided equipment of whetting a knife simultaneously |
| CN215903185U (en) * | 2021-08-23 | 2022-02-25 | 余姚市诺顿电器有限公司 | Improved automatic knife sharpener |
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