CN114770238A - Knife sharpener for wood cutting knife - Google Patents

Knife sharpener for wood cutting knife Download PDF

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Publication number
CN114770238A
CN114770238A CN202210588622.5A CN202210588622A CN114770238A CN 114770238 A CN114770238 A CN 114770238A CN 202210588622 A CN202210588622 A CN 202210588622A CN 114770238 A CN114770238 A CN 114770238A
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CN
China
Prior art keywords
rotating sleeve
support
grinding
blade
ring
Prior art date
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Withdrawn
Application number
CN202210588622.5A
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Chinese (zh)
Inventor
冯兴垚
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Individual
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Individual
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Application filed by Individual filed Critical Individual
Priority to CN202210588622.5A priority Critical patent/CN114770238A/en
Publication of CN114770238A publication Critical patent/CN114770238A/en
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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
    • B24B3/46—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of disc blades
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
    • 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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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The invention belongs to the technical field of wood processing equipment, and discloses a knife sharpener for a wood cutting knife, which comprises a support, wherein the support comprises an upper top plate, a middle support plate, a lower bottom plate and an upright post, the upper surface of the lower bottom plate of the support is fixedly provided with a first telescopic pump, the upper surface of the first telescopic post of the first telescopic pump is fixedly provided with a first motor, a grinding disc is fixedly sleeved on a rotating shaft of the first motor, and the middle part of the lower surface of the middle support plate of the support is fixedly provided with a fixed shaft. According to the invention, the grinding rod is matched with the semicircular groove on the upper surface of the blade, the telescopic pump II drives the rotating sleeve I to move downwards to press the grinding rod, meanwhile, the motor II works to drive the rotating sleeve I to rotate, the rotating sleeve I can drive the grinding rod to rotate due to the friction force between the rotating sleeve I and the grinding rod, after the grinding rod rotates, the matching part of the end part of the grinding rod and the cutting edge of the blade can grind the cutting edge, and the grinding disc rotates under the driving of the motor I to grind the lower surface of the cutting edge of the blade, so that the equipment is convenient to operate.

Description

Knife sharpener for wood cutting knife
Technical Field
The invention belongs to the technical field of wood processing equipment, and particularly relates to a knife sharpener for a wood cutting knife.
Background
Knife sharpener, be to cutting blade after frequent use, cutting edge department is worn and torn, influence machining efficiency, the equipment of polishing is carried out to cutting blade, current blade for the wood cutting, except that there being the outer lane for the cutting edge, a blade outer lane is the cusp in addition, the extension line of cutting edge passes the centre of a circle, current knife sharpener, mostly all be the instrument of polishing to the cutting blade that the outer lane is the cutting edge, can't polish the cutting edge on the cusp blade, because the cutting edge of some present blades is on the tooth of one, current blade shape is as illustrated in description figure 1, when polishing manually, each cutting edge all need polish, troublesome poeration.
Disclosure of Invention
The invention aims to provide a knife sharpener for a wood cutting knife, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the invention provides the following technical scheme: a knife sharpener for a wood cutting knife comprises a support, wherein the support comprises an upper top plate, a middle support plate, a lower bottom plate and an upright post, a first telescopic pump is fixedly installed on the upper surface of the lower bottom plate of the support, a first motor is fixedly installed on the upper surface of a first telescopic post of the telescopic pump, a grinding disc is fixedly sleeved on a rotating shaft of the first motor, a fixed shaft is fixedly installed in the middle of the lower surface of the support, a ring post is fixedly installed in the middle of the lower surface of the support and sleeved with the fixed shaft, an upper stop nut is connected to the lower portion of the fixed shaft in a threaded manner and is in parallel fit with the bottom surface of the ring post, a blade is movably sleeved at the lower end of the fixed shaft and below the upper stop nut, a lower stop nut is sleeved at the lower end of the fixed shaft and in threaded fit with the bottom surface of the blade, a first annular groove is formed in the upper surface of the blade, and a ring block protrudes out of the outer ring block on the bottom surface of the ring post, the utility model discloses a grinding machine, including blade, annular ring, pole, grinding rod, telescopic pump two, extension shaft fixed mounting of telescopic pump two has the carriage release, the extension post of carriage release lower surface passes the carriage release, the bottom surface cover that the annular ring is circular, the circular ring piece cooperation of annular ring bottom portion, the half slot that is the same with blade cutting edge quantity and corresponds is seted up to the upper surface of blade, the surface activity cover that the annular ring bottom surface outer lane protrudes the annular ring is equipped with the grinding rod, the pole of grinding rod and the half slot cooperation of blade upper surface, the terminal surface grinding post and the cutting edge cooperation of grinding rod, the lower fixed surface of roof has telescopic pump two on the support, telescopic pump two's extension shaft fixed mounting has the carriage release, the extension post of carriage release lower surface passes the carriage release, the bottom surface cover that the carriage release extended post is equipped with changes the cover one, one side fixed mounting of extension lower surface has motor two in the support, the gear of two lower extreme installations of motor and the surface meshing that changes the cover one and can press the upper surface at the grinding rod middle part after descending.
Preferably, when the blade is arranged leftwards in a top view, the rotating sleeve rotates clockwise, the grinding disc rotates anticlockwise, and vice versa.
Preferably, the grinding rod is provided with a first tooth groove in the middle of the long rod matched with the semicircular groove in the upper surface of the blade, the lower surface of the first rotating sleeve is provided with a second tooth groove, and the first tooth groove is meshed with the second tooth groove.
Preferably, the end face of the grinding side of the grinding rod is integrally formed with a limiting rod, a support ring is fixedly mounted on the inner side of an upright post of the support, a second rotating sleeve is movably sleeved on the inner surface of the support ring, the inner surface of the upper part of the second rotating sleeve is meshed with a second motor, the inner surface of the lower end of the second rotating sleeve is provided with an upper N-pole magnet, a lower groove plate is fixedly mounted on the inner surface of a lower magnet of the second rotating sleeve, a cover plate covers the upper part of the lower groove plate of the lower magnet of the second rotating sleeve, the end face of the limiting rod is in an upward-downward flat shape, the upper part of the limiting rod is composed of an S-pole magnet, and the inner surface of the lower end of the second rotating sleeve is in a curved shape like a flower in a top view.
Preferably, the ring column is movably sleeved with a middle support plate of the support, the outer surface of the ring column is in tooth meshing with the inner surface of the first rotating sleeve, a storage groove is formed in the ring column, an open groove is formed in one side of the ring column and communicated with the storage groove, and a hole, inserted with a grinding rod, in the bottom of the ring column is circumferentially communicated to form a second annular groove.
The invention has the following beneficial effects:
1. according to the invention, the grinding rod is matched with the semicircular groove on the upper surface of the blade, the telescopic pump II drives the rotating sleeve I to move downwards to compress the grinding rod, meanwhile, the motor II works to drive the rotating sleeve I to rotate, the rotating sleeve I can drive the grinding rod to rotate due to the friction force between the rotating sleeve I and the grinding rod, after the grinding rod rotates, the matching part of the end part of the grinding rod and the cutting edge of the blade can be used for grinding the cutting edge, and the grinding disc is driven by the motor I to rotate to grind the lower surface of the cutting edge of the blade, so that the equipment is convenient to operate.
2. According to the invention, the tooth socket I is meshed with the tooth socket II, so that when the rotating sleeve I is pressed and driven by the grinding rod to rotate to perform grinding work, the grinding rod is higher in pressure during grinding after meshing, the problem of incapability of grinding due to slipping is avoided, meanwhile, the inner surface of the lower end of the rotating sleeve II is in a curved arrangement in a flower shape in an overlooking state and is matched with the limiting rod, and the magnet is arranged in an up-and-down polar direction, so that when the limiting rod slides and is matched with the rotating sleeve II, the sliding fit is always performed on a plane, the limiting can be performed after the cover plate is closed, and when the grinding rod performs rotary grinding on the cutting edge, the grinding rod also moves axially under the curved arrangement of the rotating sleeve II, so that the grinding rod has more grinding directions on the cutting edge, and the grinding effect on the cutting edge is better.
3. According to the invention, through the structural arrangement of the ring column, after the rotating sleeve I moves upwards, the rotating sleeve I is meshed with the upper part of the ring column, the open slot is opened, the grinding rod can slide out from the open slot and fall on the upper surface of the blade to be matched with the semicircular slot, the ring column is driven by the rotating sleeve to rotate, the grinding rod continuously slides out, all the semicircular slots on the blade can be filled, and the ring column is matched with the lower slot plate under the action of the magnet of the rotating sleeve II, so that the storage slot can be filled with a large number of grinding rods at one time, when the number of teeth of the blade is changed, namely the number of blades is changed, and the grinding effect on the blade can be finished as long as the number of the grinding rods is stored in the storage slot.
Drawings
FIG. 1 is a schematic view of a prior art blade configuration;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of the structure of the grinding rod of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 2 according to the present invention;
FIG. 6 is a schematic view of a blade configuration of the present invention;
FIG. 7 is a schematic top view of a second rotating sleeve according to the present invention;
FIG. 8 is a schematic bottom view of the swivel sleeve of the present invention;
FIG. 9 is a schematic view of a first rotating sleeve in cooperation with a blade and a grinding pin in accordance with the present invention;
FIG. 10 is a cross-sectional structural diagram of a second embodiment of the present invention;
FIG. 11 is a cross-sectional view of the ring-column of the present invention;
FIG. 12 is a schematic sectional view of the ring pillar from the top.
In the figure: 1. a support; 2. a first telescopic pump; 3. a first motor; 4. a grinding disc; 5. a fixed shaft; 6. an upper stop nut; 7. a blade; 8. a lower stop nut; 9. a first ring groove; 10. a ring column; 11. grinding a rod; 12. a second expansion pump; 13. a movable frame; 14. rotating a sleeve I; 15. a second motor; 16. a tooth socket I; 17. a tooth socket II; 18. a limiting rod; 19. a support ring; 20. rotating a sleeve II; 21. a cover plate; 22. a storage tank; 23. an open slot; 24. and a second ring groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 to 9, in an embodiment of the present invention, a knife sharpener for a wood cutting knife comprises a bracket 1, wherein the bracket 1 comprises an upper top plate, a middle support plate, a lower bottom plate and an upright column, a first telescopic pump 2 is fixedly installed on the upper surface of the lower bottom plate of the bracket 1, a first motor 3 is fixedly installed on the upper surface of a telescopic column of the first telescopic pump 2, a grinding disc 4 is fixedly sleeved on a rotating shaft of the first motor 3, a fixed shaft 5 is fixedly installed in the middle of the lower surface of the middle support plate of the bracket 1, a ring column 10 is fixedly installed in the middle of the lower surface of the bracket 1 and sleeved on the fixed shaft 5, an upper stop nut 6 is connected to the lower portion of the fixed shaft 5 in a threaded manner, the upper stop nut 6 is in parallel fit with the bottom surface of the ring column 10, so that after a blade 7 is clamped by the lower stop nut 8 and the upper stop nut 6, the blade 7 can be matched with the bottom surface of the ring column 10, and a grinding rod 11 installed on a convex block on the bottom surface of the ring column 10 can be matched with a semicircular groove on the upper surface of the blade 7, a blade 7 is movably sleeved at the lower end of the fixed shaft 5 and below the upper stop nut 6, a lower stop nut 8 is sleeved at the lower end of the fixed shaft 5 and matched with the bottom surface of the blade 7 through threads, a first annular groove 9 is formed in the upper surface of the blade 7, a ring block protrudes from the outer ring of the bottom surface of the ring column 10, the first annular groove 9 is circular and matched with the protruding ring block at the bottom of the ring column 10, semicircular grooves with the number identical to and corresponding to the number of cutting edges of the blade 7 are formed in the upper surface of the blade 7, a grinding rod 11 is movably sleeved on the outer surface of the protruding ring block at the bottom surface of the ring column 10, a rod of the grinding rod 11 is matched with the semicircular groove in the upper surface of the blade 7, an end face grinding column of the grinding rod 11 is matched with the cutting edges, a second telescopic pump 12 is fixedly installed on the lower surface of an upper top plate of the support 1, a movable support 13 is fixedly installed on an extension shaft of the second telescopic pump 12, an extension column on the lower surface of the movable support 13 passes through the movable support 13, a first rotary sleeve 14 is sleeved on the bottom surface of the extension column of the movable support 13, a motor II 15 is fixedly installed on one side of the lower surface of a support plate in the support 1, a gear installed at the lower end of the motor II 15 is meshed with the outer surface of a rotating sleeve I14, the rotating sleeve I14 can be pressed on the upper surface of the middle part of a grinding rod 11 after descending, a telescopic pump II 12 drives the rotating sleeve I14 to move downwards to press the grinding rod 11, meanwhile, the motor II 15 works to drive the rotating sleeve I14 to rotate, the grinding rod 11 is pressed by the rotating sleeve I14, friction force between the grinding rod 11 and the rotating sleeve I14 can drive the grinding rod 11 to rotate, after the grinding rod 11 rotates, the matching part of the end part of the grinding rod 11 and the cutting edge of a blade 7 can grind the cutting edge, a grinding disc 4 rotates under the driving of a motor I3 to grind the lower surface of the cutting edge of the blade 7, when the cutting edge of the blade 7 is arranged leftwards at an overlooking angle, the rotating sleeve I14 rotates clockwise, the grinding disc 4 rotates, and vice versa, so that the grinding rod 11 and the grinding disc 4 can rotate anticlockwise when grinding disc are ground, the grinding rod 11 and the middle surface of the long rod matched with the semicircular groove on the upper surface of the blade 7 are provided with a first tooth groove 16, the lower surface of a first rotating sleeve 14 is provided with a second tooth groove 17, the first tooth groove 16 is meshed with the second tooth groove 17, so that when the first rotating sleeve 14 is pressed to drive the grinding rod 11 to rotate for grinding, the grinding rod 11 is higher in pressure after being meshed for grinding, the problem that grinding cannot be carried out due to slipping is solved, the end surface of the grinding side of the grinding rod 11 is integrally formed with a limiting rod 18, the inner side of an upright post of the support 1 is fixedly provided with a support ring 19, the inner surface of the support ring 19 is movably sleeved with a second rotating sleeve 20, the inner surface of the upper part of the second rotating sleeve 20 is meshed with a second motor 15, the inner surface of the lower end of the second rotating sleeve 20 is provided with a magnet with an upper N pole, and the inner surface of the magnet at the lower end of the second rotating sleeve 20 is fixedly provided with a lower groove plate, the cover plate 21 is covered above the lower trough plate of the magnet at the lower end of the second rotating sleeve 20, the end face of the limiting rod 18 is in an upward-downward flat shape, the magnet at the upper side of the limiting rod is formed by the magnet with the S pole, the inner surface of the lower end of the second rotating sleeve 20 is in a curved shape in a flower shape in an overlooking state, so that the grinding rod 11 can move axially when the grinding rod 11 rotates to grind the cutting edge, the grinding rod 11 can grind the cutting edge more, and the grinding effect on the cutting edge is better.
Example 2
As shown in fig. 10 to 12, in the embodiment of the present invention, a knife sharpener for wood cutting knives includes a bracket 1, a ring column 10, a rotating sleeve 14 and a grinding rod 11, and is characterized in that: the ring column 10 is movably sleeved with a middle support plate of the bracket 1, the outer surface of the ring column 10 is in tooth meshing with the inner surface of a first rotating sleeve 14, a storage groove 22 is formed in the ring column 10, one side of the ring column 10 is communicated with the storage groove 22 and provided with an open groove 23, the bottom of the ring column 10 is inserted into a hole of a grinding rod 11 and penetrates in the circumferential direction to form a second annular groove 24, after the first rotating sleeve 14 moves upwards, the ring column is meshed with the upper part of the ring column 10, the open groove 23 is opened, the grinding rod 11 can slide out from the open groove 23, the upper surface of the blade 7 is poured to be matched with a semicircular groove, the ring column 10 is driven to rotate by the first rotating sleeve 14, the grinding rod 11 continuously slides out, all the semicircular grooves in the blade 7 can be filled, and is matched with a lower groove plate under the action of a magnet of the second rotating sleeve 20, so that the storage groove 22 can be provided with a large number of grinding rods 11 at one time, when the number of teeth of the blade 7 is changed, namely, as long as the number of the grinding rods 11 is changed in the storage groove 22, can finish the grinding effect on the blade 7.
The working principle and the using process are as follows:
the worn blade 7 is sleeved with the fixed shaft 5, the blade 7 is limited and locked through the lower stop nut 8, the bottom of the ring column 10 is matched with the first annular groove 9, the grinding rod 11 is matched with a semicircular groove in the upper surface of the blade 7, the other end of the grinding rod 11 is matched with the second rotating sleeve 20, the cover plate 21 limits the end part of the grinding rod 11, the first telescopic pump 2 drives the grinding disc 4 to move upwards to be contacted with the lower surface of the blade 7, the first motor 3 drives the grinding disc 4 to rotate anticlockwise to grind, the second telescopic pump 12 pushes the moving frame 13 to move downwards, the first rotating sleeve 14 is contacted with the grinding rod 11, the first tooth groove 16 is meshed with the second tooth groove 17, the second motor 15 rotates to drive the first rotating sleeve 14 and the second rotating sleeve 20 to rotate, the first rotating sleeve 14 compresses the grinding rod 11 to drive the grinding rod to rotate to grind the blade 7, the second rotating sleeve 20 rotates to enable the grinding rod 11 to slide on the curved shape of the inner surface of the grinding rod 11, the grinding rod 11 can be driven to move back and forth along the axial direction, and forth for grinding the blade 7 is increased; when the shape of post 10 is for seting up storage tank 22 and open slot 23, change the upper portion meshing of cover one 14 and post 10, rotatory drive post 10 is rotatory, and the grinding rod 11 in the storage tank 22 constantly cooperates with blade 7 through open slot 23 roll-off, and after blade 7 first semicircle groove was filled up, telescopic pump two 12 promoted to change cover one 14 and move down, stops up open slot 23 to compress tightly grinding rod 11 and drive the rotation, polish.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a wood cutting knife is sharpedge grinding machine, includes support (1), support (1) is including last roof, well extension board, lower plate and stand, its characterized in that: the upper surface of the lower bottom plate of the support (1) is fixedly provided with a first telescopic pump (2), the upper surface of a telescopic column of the first telescopic pump (2) is fixedly provided with a first motor (3), a rotary shaft of the first motor (3) is fixedly sleeved with a grinding disc (4), the middle of the lower surface of a support plate in the support (1) is fixedly provided with a fixed shaft (5), the middle of the lower surface of the support (1) is fixedly provided with a ring column (10) and is sleeved with the fixed shaft (5), the lower part of the fixed shaft (5) is in threaded connection with an upper stop nut (6), the position of the upper stop nut (6) is in parallel fit with the bottom surface of the ring column (10), the lower end of the fixed shaft (5) is movably sleeved with a blade (7) below the upper stop nut (6), the lower end of the fixed shaft (5) is in threaded fit with the bottom surface of the blade (7), annular groove one (9) has been seted up to the upper surface of blade (7), the bottom surface outer lane protrusion of ring post (10) has the ring piece, annular groove one (9) are circular and the protruding ring piece cooperation of ring post (10) bottom, the half slot that is the same with blade (7) cutting edge quantity and corresponds is seted up to the upper surface of blade (7), the surface movable sleeve of ring post (10) bottom surface outer lane protrusion ring piece is equipped with grinding rod (11), the pole of grinding rod (11) and the half slot cooperation of blade (7) upper surface, the terminal surface grinding post and the cutting edge cooperation of grinding rod (11), the lower fixed surface of roof installs telescopic pump two (12) on support (1), the projecting shaft fixed mounting of telescopic pump two (12) has removal frame (13), the extension post of removal frame (13) lower surface passes removal frame (13), the bottom surface commentaries on classics cover that removal frame (13) extended column is equipped with is overlapped one (14), a second motor (15) is fixedly mounted on one side of the lower surface of the support plate in the support (1), a gear mounted at the lower end of the second motor (15) is meshed with the outer surface of a first rotating sleeve (14), and the first rotating sleeve (14) can be pressed on the upper surface of the middle of the grinding rod (11) after descending.
2. The sharpener for a wood cutting knife according to claim 1, wherein: when the blade (7) is arranged leftwards in the overlooking view, the rotating sleeve I (14) rotates clockwise, the grinding disc (4) rotates anticlockwise, and the reverse is the same.
3. The sharpener for a wood cutting knife according to claim 1, wherein: the grinding rod (11) and the blade (7) are provided with a first tooth groove (16) on the middle surface of the long rod matched with the semicircular groove on the upper surface, a second tooth groove (17) is arranged on the lower surface of the first rotating sleeve (14), and the first tooth groove (16) is meshed with the second tooth groove (17).
4. The sharpener for a wood cutting knife according to claim 1, wherein: the end face of the grinding side of the grinding rod (11) is integrally formed with a limiting rod (18), a support ring (19) is fixedly mounted on the inner side of an upright column of the support (1), a second rotating sleeve (20) is movably sleeved on the inner surface of the support ring (19), the inner surface of the upper portion of the second rotating sleeve (20) is meshed with a second motor (15), the inner surface of the lower end of the second rotating sleeve (20) is provided with an upper N-pole magnet, a lower groove plate is fixedly mounted on the inner surface of a lower magnet of the second rotating sleeve (20), a cover plate (21) is covered above the lower groove plate of the lower magnet of the second rotating sleeve (20), the end face of the limiting rod (18) is in an upward-convex downward flat shape, the upper portion of the limiting rod is formed by an S-pole magnet, and the inner surface of the lower end of the second rotating sleeve (20) is in a curved shape like a flower shape in an overlooking state.
5. The sharpener for a wood cutting knife according to claim 1, wherein: the ring column (10) is movably sleeved with the middle support plate of the support (1), the outer surface of the ring column (10) is in tooth meshing with the inner surface of the rotating sleeve I (14), a storage groove (22) is formed in the ring column (10), an open groove (23) is formed in one side of the ring column (10) and communicated with the storage groove (22), and an annular groove II (24) is formed in the bottom of the ring column (10) in a penetrating mode in the circumferential direction of a hole in which a grinding rod (11) is inserted.
CN202210588622.5A 2022-05-26 2022-05-26 Knife sharpener for wood cutting knife Withdrawn CN114770238A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210588622.5A CN114770238A (en) 2022-05-26 2022-05-26 Knife sharpener for wood cutting knife

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210588622.5A CN114770238A (en) 2022-05-26 2022-05-26 Knife sharpener for wood cutting knife

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CN114770238A true CN114770238A (en) 2022-07-22

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CN202210588622.5A Withdrawn CN114770238A (en) 2022-05-26 2022-05-26 Knife sharpener for wood cutting knife

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117733701A (en) * 2024-02-20 2024-03-22 山东金力新材料科技股份有限公司 Grinding device for automobile brake pad

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CN107962459A (en) * 2017-11-24 2018-04-27 马鞍山市利成刀片制造厂 A kind of method for grinding of arc-shaped knife-blade
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CN213702742U (en) * 2020-11-26 2021-07-16 上海天竺机械刀片有限公司 Grinding fixing device
CN215510313U (en) * 2021-09-24 2022-01-14 南京睿鑫智能制造有限公司 Deburring device for agricultural machine gear

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CN117733701B (en) * 2024-02-20 2024-05-24 山东金力新材料科技股份有限公司 Grinding device for automobile brake pad

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Application publication date: 20220722