CN111823067A - Automatic knife sharpener - Google Patents
Automatic knife sharpener Download PDFInfo
- Publication number
- CN111823067A CN111823067A CN202010671945.1A CN202010671945A CN111823067A CN 111823067 A CN111823067 A CN 111823067A CN 202010671945 A CN202010671945 A CN 202010671945A CN 111823067 A CN111823067 A CN 111823067A
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- Prior art keywords
- knife
- block
- fixed
- automatic
- sliding
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- 230000037431 insertion Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Images
Classifications
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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
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
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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
- B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
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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 an automatic knife sharpener, which comprises a shell, wherein a front cover is fixed at the front end of the shell, a bracket extending forwards and backwards is fixed at the inner lower end of the shell, a guide frame is arranged at the upper end of the bracket, the guide frame is provided with a sliding chute extending forwards and backwards, a knife inserting groove which is communicated forwards and backwards and is used for a knife to insert is arranged on the front cover, the knife inserting groove is positioned in front of the sliding chute and communicated with the sliding chute, and the knife penetrates through the knife inserting groove and then extends into the sliding chute; still install automatic sharpening device in the shell, automatic sharpening device includes the actuating mechanism of mobile station and drive mobile station back-and-forth movement, installs two knife sharpening stick on the mobile station, and two knife sharpening stick are alternately placed, and the cutting edge contact of cutter grinds the intersection of stick. The automatic sharpening device can drive the sharpening rod to move back and forth, the sharpening rod can automatically sharpen the cutting edge of the cutter when moving back and forth, the cutter does not need to be pulled manually, and time and labor are saved.
Description
Technical Field
The invention relates to a knife sharpener, in particular to an automatic knife sharpener.
Background
A knife sharpener is a tool used to sharpen knives, which is commonly used in kitchens. The knife sharpener in the prior art needs to pull the knife manually when sharpening the knife, and is laborious to use.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention aims to: an automatic knife sharpener is provided.
The technical solution of the invention is as follows: an automatic knife sharpener comprises a shell, wherein a front cover is fixed at the front end of the shell, a support extending forwards and backwards is fixed at the inner lower end of the shell, a guide frame is arranged at the upper end of the support, the guide frame is provided with a sliding chute extending forwards and backwards, a knife inserting groove which is communicated forwards and backwards and is used for a knife to insert is formed in the front cover, the knife inserting groove is positioned in front of the sliding chute and communicated with the sliding chute, and the knife penetrates through the knife inserting groove along the front-back direction and then extends into the sliding chute; still install automatic sharpening device in the shell, automatic sharpening device includes the actuating mechanism of mobile station and drive mobile station back-and-forth movement, installs two knife sharpening stick on the mobile station, and two knife sharpening stick are alternately placed, and the cutting edge contact of cutter grinds the intersection of stick.
Furthermore, the front cover is provided with an pushing mechanism which comprises a pushing block capable of moving up and down, the pushing block is clamped in a gap formed between the two knife sharpening rods, and when the pushing block moves upwards, the pushing block contacts the two knife sharpening rods and pulls the two knife sharpening rods apart.
Furthermore, a first accommodating cavity and a second accommodating cavity located above the first accommodating cavity are formed after the two knife sharpening rods are crossed, the pushing block is clamped into the first accommodating cavity, and when the pushing block moves upwards and stirs the two knife sharpening rods, the space of the first accommodating cavity is gradually increased.
Furthermore, the push-away mechanism further comprises a sliding block, two first springs and two limiting sleeves fixed on the inner side of the front cover, the left side and the right side of the rear end of the sliding block are respectively provided with a convex block, the sliding block penetrates through the cutter insertion groove and is in up-down sliding fit with the cutter insertion groove, the front end of the sliding block is exposed out of the cutter insertion groove, the front end of the push block is rotatably connected with the sliding block and is positioned between the two limiting sleeves, the inner sides and the lower ends of the two limiting sleeves are both opened and are used for the convex blocks to slide in, and the two first springs extend up and down and are clamped between the.
Furthermore, the front upper end of the push block is provided with a clamping block protruding forwards, the front end of the clamping block is provided with a clamping groove, the middle of the rear end of the sliding block is provided with a rotating shaft, the rotating shaft is clamped into the clamping groove and is in running fit with the clamping groove, and the front lower end of the push block abuts against the rear end face of the sliding block.
Furthermore, the upper ends of the two convex blocks are respectively provided with a convex column, the lower end of the first spring is sleeved on the convex column, and the upper end of the first spring is abutted against the inner wall of the upper end of the limiting sleeve.
Further, the rear end of the pushing block is provided with an arc-shaped chamfer.
Furthermore, the left end and the right end of the mobile station are respectively clamped with an elastic reset mechanism for driving the knife sharpening rod to reset.
Furthermore, the elastic reset mechanism comprises a spring seat, a movable block is placed in the spring seat, the front end of the movable block is rotatably connected with the spring seat, the upper end of the movable block is connected with the lower end of the knife sharpening rod, and a second spring for driving the movable block to reset is clamped between the outer wall of the movable block and the inner wall of the spring seat.
Furthermore, a sleeve head is arranged on the outer wall of the movable block, one end of the second spring is sleeved on the sleeve head, and the other end of the second spring abuts against the inner wall of the spring seat.
Furthermore, the front end of the movable block is provided with a round shaft which is in running fit with the spring seat.
Furthermore, the left side and the right side of the mobile station are respectively provided with a groove with a forward opening for placing the spring seat.
Furthermore, the upper end of the groove is provided with an opening for the movement of the knife sharpening rod.
Furthermore, the upper end and the front end of the sliding groove of the guide frame are provided with openings for clamping the cutter, the sliding groove is communicated with the first accommodating cavity, and the cutting edge of the cutter extends out of the sliding groove and then extends into the first accommodating cavity.
Furthermore, a first upright post is arranged between the front end and the rear end of the support, a positioning table for supporting a cutter is sleeved on the first upright post and is positioned behind the knife grinding rod, a third spring is arranged between the rear end of the positioning table and the rear end of the support, and the third spring is sleeved on the first upright post.
Furthermore, the front end of the positioning table is provided with a placing table positioned behind a sliding groove of the guide frame, the rear end of the sliding groove is open, and the front end of the cutter contacts the front end surface of the placing table.
Furthermore, a plurality of magnets distributed from front to back are fixed on the inner wall of the lower end of the sliding groove of the guide frame and used for adsorbing a knife back of a knife.
Furthermore, a first travel switch for contacting the front end of the mobile station is fixed on the inner side of the front cover; and a second travel switch for contacting the rear end of the mobile station is fixed at the bottom of the positioning table.
Furthermore, the driving mechanism comprises a motor fixed in the shell, a fixed seat is fixed at the front end and the rear end of the bracket, a screw rod extending forwards and backwards is fixed between the two fixed seats, a screw rod nut is sleeved on the screw rod, the front end of the screw rod nut is fixed with the mobile station, and an output shaft of the motor is connected with the rear end of the screw rod through a coupling; a second upright post is fixed between the front end and the rear end of the support, and the mobile station is sleeved outside the second upright post and is in sliding fit with the upright post.
Further, the housing includes a lower case and an upper case fixed on top of the lower case.
The automatic knife sharpener provided by the invention has the beneficial effects that: the automatic sharpening device can drive the sharpening rod to move back and forth, the sharpening rod can automatically sharpen the cutting edge of the cutter when moving back and forth, the cutter does not need to be pulled manually, and time and labor are saved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the present invention with the outer shell removed;
FIG. 3 is another schematic view of the present invention with the outer shell removed;
FIG. 4 is a schematic view of an automatic sharpening device according to the present invention;
FIG. 5 is another schematic view of the automatic sharpening device according to the present invention;
FIG. 6 is a schematic view of the push-away mechanism of the present invention;
FIG. 7 is an exploded view of the push-away mechanism of the present invention;
FIG. 8 is a schematic view of the slider and the pushing block of the present invention after they are mounted together;
FIG. 9 is a block diagram of a mobile station according to the present invention;
FIG. 10 is a schematic view of the mounting of the sharpening rod with the movable block and spring seat of the present invention;
FIG. 11 is a schematic view of the initial state of two sharpening rods in accordance with the invention;
fig. 12 is a schematic structural view of the two sharpening rods of the present invention in a state of being pulled apart.
Shown in the figure: the device comprises a shell, an upper shell, a lower shell, a front cover, a support, a guide frame, a sliding groove, a slot, a moving platform, a groove, a knife sharpening rod, a first accommodating cavity, a second accommodating cavity, a pushing block, a clamping groove, a sliding block, a projection, a rotating shaft, a spring, a first spring, a limiting sleeve, a spring seat, a movable block, a sleeve head, a second spring, a round shaft, a first upright post, a positioning platform, a bearing 171, a bearing platform, a third spring, a magnet, a screw, a first travel switch, a second travel switch, a motor, a fixed seat, a screw rod, a nut, a screw rod 26, a coupler, a second upright post, a screw rod 25, a nut, a screw rod 26, a screw rod coupler, a second upright post and a control panel, wherein the sliding groove is formed in the shell, the groove, the 7 knife sharpening rod, the first travel switch, the rotating shaft, the rotating.
Detailed Description
For a more intuitive and complete understanding of the technical solution of the present invention, the following non-limiting features are described in conjunction with the accompanying drawings of the present invention:
as shown in fig. 1 to 12, an automatic knife sharpener includes a housing 1, a front cover 2 is fixed at the front end of the housing 1, a bracket 3 extending forward and backward is fixed at the inner lower end of the housing 1, a guide frame 4 extending forward and backward is fixed at the upper end of the bracket 3, the guide frame 4 has a sliding slot 41 extending forward and backward, a knife slot 5 penetrating forward and backward and allowing a knife to be inserted is arranged on the front cover 2, the knife slot 5 is located in front of the sliding slot 41 and is communicated with the sliding slot 41, and a knife (not shown) passes through the knife slot 5 in the forward and backward directions and then extends into the sliding slot 41; still install automatic sharpening device in the shell 1, automatic sharpening device includes the actuating mechanism of 6 and the 6 back-and-forth movements of drive moving platform, installs two sharper bars 7 on the moving platform 6, and two sharper bars 7 are alternately placed, and sharper bar 7 can be the linear type, also can be the arc, and the cutting edge of cutter contacts the intersection of two sharper bars 7, and the cutting edge of cutter is up.
The front cover 2 is provided with an opening mechanism which comprises a push block 8 capable of moving up and down, the push block 8 is clamped in a gap formed between the two knife sharpening rods 7, and when the push block 8 moves upwards, the push block 8 contacts the two knife sharpening rods 7 and pulls the two knife sharpening rods 7 apart. As shown in fig. 2, when the automatic sharpener is not in operation, the sharpener stick 7 and the moving table 6 are located at the front end of the holder 3, so that the push block 8 is caught in the gap between the two sharpener sticks 7. As shown in FIG. 3, the sharpening rod 7 and the moving table 6 are now located at the rear end of the holder 3, and the push block 8 is separated from the sharpening rod 7.
The two sharpening rods 7 are crossed to form a first accommodating cavity 71 and a second accommodating cavity 72 located above the first accommodating cavity 71, the push block 8 is clamped in the first accommodating cavity 71, and when the push block 8 moves upwards and stirs the two sharpening rods 7, the space of the first accommodating cavity 71 is gradually increased. As shown in fig. 11, arrows in the drawing indicate a moving direction of the push block 8, a first accommodating cavity 71 and a second accommodating cavity 72 located above the first accommodating cavity 71 are formed after the two sharpening rods 7 are crossed, the push block 8 is clamped in the first accommodating cavity 71, and when the push block 8 moves upwards and stirs the two sharpening rods 7, a space of the first accommodating cavity 71 gradually increases, as shown in fig. 12.
As shown in fig. 6, 7 and 8, the push-open mechanism further includes a slider 9, two first springs 10 and two position-limiting sleeves 11 fixed inside the front cover 2, the left and right sides of the rear end of the slider 9 are respectively provided with a projection 91, the slider 9 passes through the knife slot 5 and is in up-and-down sliding fit with the knife slot 5, the front end of the slider 9 is exposed outside the knife slot 5, the front end of the push block 8 is rotatably connected with the slider 9 and is located between the two position-limiting sleeves 11, the inner sides and the lower ends of the two position-limiting sleeves 11 are both open and are provided for the projection 91 to slide in, and the two first springs 10 extend up and down and are clamped between the projection 91 and the position-limiting sleeves 11. When the sliding block 9 is pushed upwards by hand, the sliding block 9 drives the pushing block 8 to move upwards, the first spring 10 is compressed, and the upper end of the pushing block 8 is used for contacting the intersection of the two knife sharpening rods 7 and gradually poking the two knife sharpening rods 7 apart.
The front upper end of the pushing block 8 is provided with a clamping block 81 protruding forwards, the front end of the clamping block 81 is provided with a clamping groove 811, the middle of the rear end of the sliding block 9 is provided with a rotating shaft 92, the rotating shaft 92 is clamped in the clamping groove 811 and is in running fit with the clamping groove 811, and the front lower end of the pushing block 8 abuts against the rear end face of the sliding block 9. The upper ends of the two convex blocks 91 are respectively provided with a convex column 911, the lower end of the first spring 10 is sleeved on the convex column 911, and the upper end of the first spring abuts against the inner wall of the upper end of the limiting sleeve 11. The rear end of the push block 8 is provided with an arc-shaped chamfer 82. When the push block 8 contacts the knife sharpening rod 7 and moves upwards, the push block 8 cannot rotate because the front lower end of the push block 8 is blocked by the rear end of the slide block 9, and can stably contact the knife sharpening rod 7 and move upwards; when the push block 8 needs to be reset, the cutter is pulled out, the push block 8 moves downwards through the elastic force of the first spring 10, the rear end of the push block 8 contacts the knife sharpening rod 7, and the upper end of the push block 8 is not restricted by the sliding block 9, so that the push block can rotate, the push block 8 can move into the first accommodating cavity 71 from the second accommodating cavity 72, and the arc-shaped chamfer 82 designed at the rear end of the push block 8 is more convenient for the swing of the push block 8.
As shown in fig. 4 and 10, an elastic reset mechanism for driving the knife sharpening rod 7 to reset is respectively clamped at the left end and the right end of the mobile station 6. The elastic reset mechanism comprises a spring seat 12, a movable block 13 is placed in the spring seat 12, the front end of the movable block 13 is rotatably connected with the spring seat 12, the upper end of the movable block 13 is connected with the lower end of the knife sharpening rod 7, and a second spring 14 for driving the movable block 13 to reset is clamped between the outer wall of the movable block 13 and the inner wall of the spring seat 12. The outer wall of the movable block 13 is provided with a sleeve head 131, one end of the second spring 14 is sleeved on the sleeve head 131, and the other end of the second spring abuts against the inner wall of the spring seat 12. The front end of the movable block 13 is provided with a round shaft 15 which is in running fit with the spring seat 12. When the push block 8 pushes the sharpener bars 7 to be converted from the state of fig. 11 to the state of fig. 12, the movable block 13 rotates and compresses the second spring 14, and after the two sharpener bars 7 are completely separated by the push block 8, the sharpener bars 7 are not restricted by the push block 8 and move in the opposite direction by the elastic force of the second spring 14.
As shown in fig. 9, the left and right sides of the mobile station 6 are respectively provided with a groove 61 with an opening facing forward for placing the spring seat 12 therein, so as to facilitate the assembly, disassembly and replacement of the spring seat 12. The upper end of the groove 61 is opened for the movement of the knife sharpening rod 7.
As shown in fig. 4, the upper end and the front end of the sliding groove 41 of the guide frame 4 are opened for the tool to be inserted into, the sliding groove 41 is communicated with the first accommodating cavity 71, and the cutting edge of the tool extends out of the sliding groove 41 and then extends into the first accommodating cavity 71.
As shown in fig. 4 and 5, two first upright posts 16 are arranged between the front end and the rear end of the bracket 3, a positioning table 17 for supporting a cutter is sleeved on the first upright posts 16, the positioning table 17 is positioned behind the sharpening rod 7, a third spring 18 is arranged between the rear end of the positioning table 17 and the rear end of the bracket 3, and the third spring 18 is sleeved on the first upright posts 16. The front end of the positioning table 17 has a rest 171 located behind the slide groove 41 of the guide frame 4, the rear end of the slide groove 41 is open, and the front end of the tool contacts the front end surface of the rest 171. The positioning table 17 plays a role of supporting the rear end of the cutter, and can be used for supporting a plurality of cutters with different lengths through the elastic force of the third spring 18, and the front end surface of the placing table 171 is provided with a concave arc-shaped surface, so that the front end of the cutter can be conveniently contacted.
As shown in fig. 4, a plurality of magnets 19 distributed from front to back are fixed on the inner wall of the lower end of the chute 41 of the guide frame 4 for attracting the back of the knife. The magnet 19 adsorbs the back of the knife and is matched with the positioning table 17 for use, so that the knife can be stably fixed after being inserted.
As shown in fig. 2 and 3, a first stroke switch 20 for contacting the front end of the mobile station 6 is fixed to the inner side of the front cover 2; a second travel switch 21 for contacting the rear end of the moving stage 6 is fixed to the bottom of the positioning stage 17. The first travel switch 20 and the second travel switch 21 limit the forward and backward movement distance of the mobile station 6, and are used for controlling the mobile station 6 to do reciprocating motion.
As shown in fig. 5, the driving mechanism includes a motor 22 fixed in the housing 1, a fixing seat 23 is fixed at both the front and rear ends of the bracket 3, a screw rod 24 extending forward and backward is fixed between the two fixing seats 23, a screw rod nut 25 is sleeved on the screw rod 24, the front end of the screw rod nut 25 is fixed with the mobile station 6, and the output shaft of the motor 22 is connected with the rear end of the screw rod 24 through a coupling 26; two second upright columns 27 are fixed between the front end and the rear end of the support 3, and the mobile station 6 is sleeved outside the upright columns and is in sliding fit with the second upright columns 27. An output shaft of the motor 22 drives the screw rod 24 to rotate, the screw rod 24 can drive the screw rod nut 25 to move back and forth after rotating, and the mobile station 6 moves back and forth synchronously along with the screw rod nut 25.
The housing 1 comprises a lower shell 1.2 and an upper shell 1.1 fixed on top of the lower shell 1.2, as shown in fig. 1. The holder 3 is fixed in the lower housing 1.2.
Before use, the moving table 6 is located close to the front cover 2, when a knife needs to be sharpened, the sliding block 9 is pushed upwards for a certain distance without loosing hands, then the knife (with the knife edge facing upwards) is inserted into the knife slot 5, the knife slides into the sliding groove 4151 of the guide frame 4, the knife edge of the knife extends into the first accommodating cavity 71 between the two knife sharpening rods 7, then the sliding block 9 is pushed upwards continuously until the two knife sharpening rods 7 are separated by the pushing block 8, at this time, the two knife sharpening rods 7 perform resetting motion through the elastic force of the second spring 14 in the spring seat 12, the intersection of the first accommodating cavities 71 of the two knife sharpening rods 7 tightly contacts the knife edge during the resetting motion, then the driving mechanism controls the moving table 6 to reciprocate back and forth, the motor 22 is controlled through an electric control device (not shown) in the shell 1, and one side of the front cover 2 is provided with a control panel 28. The blade is continuously contacted with the knife sharpening rod 77 to complete sharpening, and the knife is pulled out after sharpening.
It should be understood that the above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and that the present invention is not limited by the above description and drawings.
Claims (14)
1. An automatic sharpener, includes the shell, its characterized in that: the front end of the shell is fixed with a front cover, the lower end in the shell is fixed with a bracket extending forwards and backwards, the upper end of the bracket is provided with a guide frame, the guide frame is provided with a sliding chute extending forwards and backwards, the front cover is provided with a knife slot penetrating forwards and backwards and allowing a knife to be inserted, the knife slot is positioned in front of the sliding chute and communicated with the sliding chute, and the knife penetrates through the knife slot along the front-back direction and then extends into the sliding chute; still install automatic sharpening device in the shell, automatic sharpening device includes the actuating mechanism of mobile station and drive mobile station back-and-forth movement, installs two knife sharpening stick on the mobile station, and two knife sharpening stick are alternately placed, and the cutting edge contact of cutter grinds the intersection of stick.
2. The automatic sharpener of claim 1, wherein: the front cover is provided with a push-open mechanism which comprises a push block capable of moving up and down, the push block is clamped in a gap formed between the two knife sharpening rods, and when the push block moves upwards, the push block contacts the two knife sharpening rods and pulls the two knife sharpening rods apart.
3. The automatic sharpener of claim 2, wherein: the two knife sharpening rods are crossed to form a first accommodating cavity and a second accommodating cavity located above the first accommodating cavity, the push block is clamped into the first accommodating cavity, and when the push block moves upwards and stirs the two knife sharpening rods, the space of the first accommodating cavity is gradually increased.
4. The automatic sharpener of claim 2, wherein: the push-open mechanism further comprises a sliding block, two first springs and two limiting sleeves fixed on the inner side of the front cover, the left side and the right side of the rear end of the sliding block are respectively provided with a convex block, the sliding block penetrates through the cutter insertion groove and is in up-down sliding fit with the cutter insertion groove, the front end of the sliding block is exposed out of the cutter insertion groove, the front end of the push block and the sliding block are rotatably connected and are positioned between the two limiting sleeves, the inner sides and the lower ends of the two limiting sleeves are both opened and are used for the convex blocks to slide in, and the two first springs extend up and down and are clamped.
5. The automatic sharpener of claim 4, wherein: the front upper end of the push block is provided with a clamping block protruding forwards, the front end of the clamping block is provided with a clamping groove, the middle of the rear end of the sliding block is provided with a rotating shaft, the rotating shaft is clamped into the clamping groove and is in running fit with the clamping groove, and the front lower end of the push block is abutted against the rear end face of the sliding block.
6. The automatic sharpener of claim 2, wherein: the left end and the right end of the mobile station are respectively clamped with an elastic reset mechanism for driving the knife sharpening rod to reset.
7. The automatic sharpener of claim 6, wherein: the elastic reset mechanism comprises a spring seat, a movable block is placed in the spring seat, the front end of the movable block is rotatably connected with the spring seat, the upper end of the movable block is connected with the lower end of the knife grinding rod, and a second spring used for driving the movable block to reset is clamped between the outer wall of the movable block and the inner wall of the spring seat.
8. The automatic sharpener of claim 7, wherein: the left side and the right side of the mobile station are respectively provided with a groove with a forward opening for placing the spring seat.
9. The automatic sharpener of claim 3, wherein: the upper end and the front end of the sliding groove of the guide frame are provided with openings for clamping the cutter, the sliding groove is communicated with the first accommodating cavity, and the cutting edge of the cutter extends out of the sliding groove and then extends into the first accommodating cavity.
10. The automatic sharpener of claim 1, wherein: the knife sharpener is characterized in that a first upright post is arranged between the front end and the rear end of the support, a positioning table used for supporting a knife is sleeved on the first upright post, the positioning table is located behind the knife sharpening rod, a third spring is arranged between the rear end of the positioning table and the rear end of the support, and the third spring is sleeved on the first upright post.
11. The automatic sharpener of claim 10, wherein: the front end of the positioning table is provided with a placing table positioned behind the sliding groove of the guide frame, the rear end of the sliding groove is provided with an opening, and the front end of the cutter is contacted with the front end surface of the placing table.
12. The automatic sharpener of claim 1 or 11, wherein: and a plurality of magnets distributed from front to back are fixed on the inner wall of the lower end of the sliding groove of the guide frame and used for adsorbing the knife back of the knife.
13. The automatic sharpener of claim 10, wherein: a first travel switch for contacting the front end of the mobile station is fixed on the inner side of the front cover; and a second travel switch for contacting the rear end of the mobile station is fixed at the bottom of the positioning table.
14. The automatic sharpener of claim 1, wherein: the driving mechanism comprises a motor fixed in the shell, the front end and the rear end of the bracket are both fixed with a fixed seat, a screw rod extending forwards and backwards is fixed between the two fixed seats, a screw rod nut is sleeved on the screw rod, the front end of the screw rod nut is fixed with the mobile station, and an output shaft of the motor is connected with the rear end of the screw rod through a coupling; a second upright post is fixed between the front end and the rear end of the support, and the mobile station is sleeved outside the second upright post and is in sliding fit with the upright post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010671945.1A CN111823067A (en) | 2020-07-14 | 2020-07-14 | Automatic knife sharpener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010671945.1A CN111823067A (en) | 2020-07-14 | 2020-07-14 | Automatic knife sharpener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111823067A true CN111823067A (en) | 2020-10-27 |
Family
ID=72922774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010671945.1A Pending CN111823067A (en) | 2020-07-14 | 2020-07-14 | Automatic knife sharpener |
Country Status (1)
| Country | Link |
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| CN (1) | CN111823067A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11376713B1 (en) | 2021-03-09 | 2022-07-05 | Sharkninja Operating Llc | Knife sharpening systems |
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| CN210414038U (en) * | 2019-07-06 | 2020-04-28 | 南京钢铁集团冶金铸造有限公司 | High-precision polishing equipment convenient for angle adjustment for processing silver bright rod |
| CN111136517A (en) * | 2020-03-09 | 2020-05-12 | 陈雪 | Novel household automatic knife grinder |
| CN111300174A (en) * | 2019-03-04 | 2020-06-19 | 曹振勇 | Domestic automatic knife sharpener |
| CN212330507U (en) * | 2020-07-14 | 2021-01-12 | 余姚市诺顿电器有限公司 | Automatic knife sharpener |
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| US20030139126A1 (en) * | 2001-11-09 | 2003-07-24 | Southern Mechanical & Structrual, Inc. | Knife sharpener |
| CN2836988Y (en) * | 2005-07-01 | 2006-11-15 | 何克修 | Knife sharpener |
| KR20070058274A (en) * | 2005-12-03 | 2007-06-08 | 양승철 | Grinding machine |
| KR20110035185A (en) * | 2009-09-30 | 2011-04-06 | 강석만 | Portable type grinder |
| CN103586745A (en) * | 2013-11-12 | 2014-02-19 | 广州市技师学院 | Small-sized six-axis linkage knife grinding device |
| CN203918654U (en) * | 2013-11-12 | 2014-11-05 | 广州市技师学院 | A kind of small-sized six-axis linkage knife sharpening device |
| CN109290861A (en) * | 2018-10-25 | 2019-02-01 | 谢森涛 | A kind of knife grinding equipment for Full-automatic cutting tube apparatus |
| CN111300174A (en) * | 2019-03-04 | 2020-06-19 | 曹振勇 | Domestic automatic knife sharpener |
| CN210414038U (en) * | 2019-07-06 | 2020-04-28 | 南京钢铁集团冶金铸造有限公司 | High-precision polishing equipment convenient for angle adjustment for processing silver bright rod |
| CN111136517A (en) * | 2020-03-09 | 2020-05-12 | 陈雪 | Novel household automatic knife grinder |
| CN212330507U (en) * | 2020-07-14 | 2021-01-12 | 余姚市诺顿电器有限公司 | Automatic knife sharpener |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11376713B1 (en) | 2021-03-09 | 2022-07-05 | Sharkninja Operating Llc | Knife sharpening systems |
| US11806839B2 (en) | 2021-03-09 | 2023-11-07 | Sharkninja Operating Llc | Knife sharpening systems |
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