CN219704402U - Knife sharpener with angle-adjustable knife rest - Google Patents
Knife sharpener with angle-adjustable knife rest Download PDFInfo
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- CN219704402U CN219704402U CN202321066059.1U CN202321066059U CN219704402U CN 219704402 U CN219704402 U CN 219704402U CN 202321066059 U CN202321066059 U CN 202321066059U CN 219704402 U CN219704402 U CN 219704402U
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- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 31
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 24
- 238000005498 polishing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses a knife sharpener with an adjustable knife rest angle, stable angle adjusting line and suitability for various types of knives, which comprises a machine shell, wherein the machine shell is provided with a sharpening part, the machine shell is provided with a rotatable knife rest, the knife rest is used for placing the knives, the sharpening part is matched with one side surface of a knife edge of the knives, the knife rest is connected with an angle adjusting mechanism, the angle adjusting mechanism comprises a vertically movable sliding block, the sliding block is hinged with the knife rest, and the sliding block is moved to drive the knife rest to rotate along an axis A so as to adjust the matching angle of one side surface of the knife edge and the sharpening part; the utility model relates to the technical field of knife sharpeners.
Description
Technical Field
The utility model relates to the technical field of knife sharpeners, in particular to a knife sharpener with an adjustable knife rest angle.
Background
The household knife grinder is suitable for grinding kitchen knives and various self-made knives, and sharpening or cutting the knives. The existing automatic knife sharpener is generally provided with a knife rest, when in use, a knife is placed on the knife rest, and then a motor drives a sharpening part to sharpen a knife edge, wherein the sharpening part can adopt a grinding wheel, an abrasive belt, a sharpening rod and the like.
However, the existing knife sharpener has the following problems: the angle of the tool rest cannot be adjusted generally, the polishing effect on the cutting edge is poor, and the tool rest cannot be suitable for various types of tools;
some knife holders with adjustable angles are generally adjusted by manually rotating the knife holder, so that the problem is that the manual adjustment is not enough linear in the knife holder angle adjustment process, and the requirement cannot be met.
Disclosure of Invention
Aiming at the defects and shortcomings of the prior art, the knife sharpener with the adjustable angle of the knife rest and stable angle adjusting line is provided, and is applicable to various types of knives, and comprises a machine shell, wherein the machine shell is provided with a knife rest rotating along a rotating shaft A, the knife rest is used for placing the knives, and the machine shell is provided with a sharpening part which is matched with one side surface of a knife edge of the knives;
the machine shell is provided with an angle adjusting mechanism, the angle adjusting mechanism comprises a cam arranged on the inner side of the tool rest, the outer peripheral wall of the cam with variable diameter is used as a driving surface, and the tool rest is provided with a transmission surface;
the outer periphery of the cam diameter changing is continuously contacted with the transmission surface by rotating the cam, and the cutter rest is driven to rotate so as to adjust the matching angle b of one side surface of the cutting edge and the sharpening part.
After adopting above structure, the knife rest angle adjustable knife sharpener of the utility model has the following advantages compared with the prior art: after the improvement, the knife rest is driven to rotate by the rotating cam so as to adjust the matching angle b of one side surface of the knife edge and the knife sharpening part, and the knife rest with the adjustable angle can be suitable for the polishing requirements of various knives;
the cam is rotated, the driving surface with the variable diameter of the cam is continuously contacted with the transmission surface of the tool rest, so that the tool rest is driven to rotate, the matching angle b between one side surface of the cutting edge and the knife sharpening part is adjusted, and the angle adjusting device has the characteristics of linearity and stability in angle adjustment.
As an improvement of the utility model, the angle adjusting mechanism further comprises a knob which is arranged on the casing and can be rotated manually, the front end of the knob is provided with an extending part which extends forwards axially, the cam is connected to the extending part, and the rotating shaft of the cam and the rotating shaft of the knob are arranged coaxially.
As an improvement of the utility model, the number of the tool holders is two, the two tool holders are oppositely arranged at the left side and the right side of the cam, and the inner side surface of the tool placed by the tool holder leaks out and is matched with the knife sharpening part.
As an improvement of the utility model, the number of the cams is two, the two cams are connected with the extension part and are coaxially arranged, and the driving surfaces of the two cams are independently matched with the driving surfaces of the two tool rests.
As an improvement of the utility model, the driving surface is provided with a flat section and an arc section, the flat section is connected between two ends of the arc section, the arc section near one end of the flat section is used as a starting end, the arc section near the other end of the flat section is used as a final end, and the radius of the arc section is gradually increased from the starting end to the final end;
the two cams are axially symmetrically arranged along the axial direction by rotating 180 degrees.
As an improvement of the utility model, the tool rest comprises a connecting part, a V-shaped groove for placing a tool is arranged on the outer side of the connecting part, the transmission surface is arranged on the inner side of the connecting part, a connecting hole is arranged at the lower end of the connecting part and is connected with a pin shaft on the shell, and a rotating shaft A of the tool rest is arranged in parallel with a rotating shaft C of the cam.
As an improvement of the utility model, an elastic piece is hooped between the connecting parts of the two tool holders, and the elastic piece supplies the two tool holders with a pretightening force rotating inwards to drive the transmission surfaces of the two tool holders to keep contact with the driving surface of the cam.
As an improvement of the utility model, the transmission surface is a wall surface with an arc-shaped structure, a bulge which protrudes inwards from the transmission surface is arranged at the upper end position of the transmission surface, and the bulge is of a semicircular structure.
As an improvement of the utility model, the knife sharpening part adopts abrasive belts, 3 belt pulleys are arranged in a triangle shape in the shell, and one belt pulley is connected with a driving motor in a transmission way;
the abrasive belt surrounds the outside of 3 band pulleys, and the outer wall of right side abrasive belt contacts with the cutting edge medial surface on the right side knife rest, and the outer wall of left side abrasive belt contacts with the cutting edge medial surface on the left side knife rest.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the structure of the tool of the present utility model when placed on a tool post.
Fig. 3 is a schematic view of the position of the tool holder and angle adjustment mechanism of the present utility model.
Fig. 4 is a schematic structural view of the angle adjusting mechanism and the tool rest of the present utility model.
Fig. 5 is a schematic view of the angle adjusting mechanism of the present utility model mated with a tool holder.
FIG. 6 is a schematic view of the knob and cam structure of the present utility model.
Fig. 7 is a schematic view of the structure of two tool holders of the present utility model.
The figure shows: 1. a housing; 2. a tool holder; 2.1, a transmission surface; 2.11, protrusions; 2.2, a connecting part; 2.21, connecting holes; 2.3, "V" grooves; 3. a knife sharpening part; 3.1, a belt wheel; 4. a cutter; 5. an angle adjusting mechanism; 5.1, a cam; 5.11, flat sections; 5.12, arc segments; 5.2, a knob; 5.21, extension; 6. an elastic member.
Detailed Description
The utility model will be further described with reference to the drawings and the specific examples.
Referring to fig. 1-7, a knife sharpener with an adjustable angle knife rest 2, stable angle adjusting line and suitability for multiple types of knives 4 comprises a machine shell 1, wherein the machine shell 1 is provided with the knife rest 2 rotating along a rotating shaft A, the knife rest 2 is used for placing the knives 4, the machine shell 1 is provided with a sharpening part 3, and the sharpening part 3 is matched with one side surface of a cutting edge of the knives 4;
the machine shell 1 is provided with an angle adjusting mechanism 5, the angle adjusting mechanism 5 comprises a cam 5.1 arranged on the inner side of the tool rest 2, the variable-diameter peripheral wall of the cam 5.1 is used as a driving surface, and the tool rest 2 is provided with a transmission surface 2.1;
by rotating the cam 5.1, the outer circumference of the cam 5.1 with a variable diameter is continuously contacted with the transmission surface 2.1, and the tool rest 2 is driven to rotate so as to adjust the matching angle b of one side surface of the cutting edge and the sharpening part 3.
After adopting above structure, the knife rest 2 angle adjustable knife sharpener has the following advantages compared with the prior art: after the improvement, the cutter rest 2 is driven to rotate by rotating the cam 5.1 so as to adjust the matching angle b of one side surface of the cutting edge and the knife sharpening part 3, and the cutter rest 2 with adjustable angle can be suitable for the polishing requirements of various cutters 4;
by rotating the cam 5.1, the driving surface of the cam 5.1 with variable diameter is continuously contacted with the driving surface 2.1 of the tool rest 2, so that the tool rest 2 is driven to rotate, the matching angle b of one side surface of the cutting edge and the knife sharpening part 3 is adjusted, and the angle adjusting device has the characteristics of linearity and stability in angle adjustment.
As an improvement of the utility model, the angle adjusting mechanism 5 further comprises a knob 5.2 which is arranged on the casing 1 and can be manually rotated, an extending part 5.21 which extends forwards axially is arranged at the front end of the knob 5.2, the cam 5.1 is connected to the extending part 5.21, and the rotating shaft of the cam 5.1 is arranged coaxially with the rotating shaft of the knob 5.2. After the improvement, during the use, the user drives cam 5.1 through rotatory knob 5.2 and rotates, and then drives knife rest 2 and rotate, has the characteristics that make things convenient for the user to use, can set up on the knob 5.2 in addition and correspond knife rest 2 pivoted angle, makes things convenient for user audio-visual understanding knife rest 2 pivoted angle, applies this angle to the sharpening process to as a measure of supplementary reference, further make things convenient for user's use.
As an improvement of the utility model, the number of the tool holders 2 is two, the two tool holders 2 are oppositely arranged at the left side and the right side of the cam 5.1, and the inner side surface of the tool 4 placed by the tool holder 2 leaks out and is matched with the knife sharpening part 3. After the improvement, two rotatable knife rest 2 are arranged, one inner side surface of each knife rest 2 is matched with the knife sharpening part 3, and the knife 4 is alternately placed on the two knife rest 2, so that the two side surfaces of the knife edge can be polished, and the use experience of a user is further improved.
As an improvement of the utility model, the number of the cams 5.1 is also two, the two cams 5.1 are connected with the extension part 5.21 and are coaxially arranged, and the driving surfaces of the two cams 5.1 are independently matched with the driving surfaces 2.1 of the two tool holders 2. After the improvement, the two cams 5.1 respectively drive the tool rest 2 to rotate, and the device has the characteristics of reliable transmission and stable and linear rotation of the tool rest 2.
As an improvement of the utility model, the driving surface is provided with a flat section 5.11 and an arc section 5.12, the flat section 5.11 is connected between two ends of the arc section 5.12, the arc section 5.12 near one end of the flat section 5.11 is taken as a starting end, the arc section 5.12 near the other end of the flat section 5.11 is taken as a final end, and the radius is gradually increased from the starting end to the final end;
the two cams 5.1 are axially symmetrically arranged in a 180-degree rotation manner. When the knob 5.2 is rotated in the forward direction, the arc section 5.12 at the initial end to the arc section 5.12 at the final end on the cam 5.1 gradually contact with the transmission surface 2.1, and the knife rest 2 is unfolded outwards to rotate so as to increase the matching angle b between the inner side surface of the knife edge and the knife sharpening part 3;
when the knob 5.2 is reversely rotated, the arc section 5.12 at the final end of the cam 5.1 is gradually contacted with the transmission surface 2.1 to the arc section 5.12 at the initial end, and the knife rest 2 is rotated inwards to reduce the matching angle b between the inner side surface of the knife edge and the knife sharpening part 3;
the two cams 5.1 with the same radius are axially symmetrically arranged in a way of rotating 180 degrees, so that when the knob 5.2 is rotated, the two cams 5.1 drive the tool rest 2 to simultaneously rotate in an outwards-unfolded mode or in an inwards-folded mode, and the rotating angles are consistent;
after the improvement, the matching angle between the inner side surfaces of the cutting edges on the two knife rests 2 and the knife sharpening part 3 is synchronously adjusted through one knob 5.2, so that the use of a user is further facilitated, and the use experience of the user is improved.
As an improvement of the utility model, the tool rest 2 comprises a connecting part 2.2, a V-shaped groove 2.3 for placing a tool 4 is arranged outside the connecting part 2.2, the transmission surface 2.1 is arranged on the inner side of the connecting part 2.2, a connecting hole 2.21 is arranged at the lower end of the connecting part 2.2, the connecting hole 2.21 is connected with a pin shaft on the machine shell 1, and a rotating shaft A of the tool rest 2 is arranged in parallel with a rotating shaft C of the cam 5.1. The V-shaped groove is arranged for placing a plurality of types of cutters 4, the applicability of the device is improved, the inner wall surface of the V-shaped groove is of an interrupted structural design, the inner side surface of the cutter 4 can leak out to be matched with the knife sharpening part 3, the outer wall surface of the V-shaped groove can play a supporting role on the outer side surface of the knife edge, the knife edge is more stable when being polished, and a better polishing effect is obtained;
the lower part of the connecting part 2.2 is provided with a connecting hole 2.21 which is connected with a pin shaft on the shell 1, and the rotating shaft A of the tool rest 2 is parallel to the rotating shaft C of the cam 5.1.
As an improvement of the utility model, an elastic element 6 is arranged between the connecting parts 2.2 of the two tool holders 2 in a hooping way, and the elastic element 6 supplies the two tool holders 2 with a pretightening force rotating inwards to drive the transmission surfaces 2.1 of the two tool holders 2 to keep contact with the driving surfaces of the cams 5.1. After the improvement, the elastic piece 6 can enable the two tool holders 2 to have the trend of folding inwards, so that the transmission surfaces 2.1 of the two tool holders 2 can keep fit with the driving surfaces of the cams 5.1, and the transmission process is stable and reliable.
As an improvement of the utility model, the transmission surface 2.1 is a wall surface with an arc structure, a bulge 2.11 protruding inwards from the transmission surface 2.1 is arranged at the upper end position of the transmission surface 2.1, and the bulge 2.11 is in a semicircular structure. In addition, the driving surfaces of the cams 5.1 can be uniformly provided with pits, and when the knob 5.2 is rotated, the protrusions 2.11 can reciprocally enter into and move out of the pits to enable the knob 5.2 to have a rotating feel.
As an improvement of the utility model, the knife sharpening part 3 adopts abrasive belts, 3 belt wheels 3.1 are arranged in a triangle shape in the casing 1, and one belt wheel 3.1 is connected with a driving motor in a transmission way;
the abrasive belt surrounds the outside of 3 band pulleys 3.1, and the outer wall of the right abrasive belt contacts with the inner side of the cutting edge on the right tool rest 2, and the outer wall of the left abrasive belt contacts with the inner side of the cutting edge on the left tool rest 2. After the improvement, the motor is adopted to drive the abrasive belt to rotate, the abrasive belt contacts with the blade to polish the blade, and the abrasive belt has the characteristic of good polishing effect.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (9)
1. Knife rest angularly adjustable sharpener, its characterized in that: the machine comprises a machine shell (1), wherein the machine shell (1) is provided with a tool rest (2) rotating along a rotating shaft A, the tool rest (2) is used for placing a tool (4), the machine shell (1) is provided with a knife sharpening part (3), and the knife sharpening part (3) is matched with one side face of a cutting edge of the tool (4);
the machine shell (1) is provided with an angle adjusting mechanism (5), the angle adjusting mechanism (5) comprises a cam (5.1) arranged on the inner side of the tool rest (2), the variable-diameter peripheral wall of the cam (5.1) is used as a driving surface, and the tool rest (2) is provided with a transmission surface (2.1);
the cam (5.1) is rotated, the variable-diameter periphery of the cam (5.1) is continuously contacted with the transmission surface (2.1), and the tool rest (2) is driven to rotate so as to adjust the matching angle b of one side surface of the cutting edge and the sharpening part (3).
2. The adjustable tool holder angle sharpener of claim 1, wherein: the angle adjusting mechanism (5) further comprises a knob (5.2) which is arranged on the casing (1) and can be manually rotated, an extending part (5.21) extending forward axially is arranged at the front end of the knob (5.2), the cam (5.1) is connected to the extending part (5.21), and the rotating shaft of the cam (5.1) and the rotating shaft of the knob (5.2) are coaxially arranged.
3. The adjustable tool holder angle sharpener of claim 2, wherein: the number of the tool rests (2) is two, the two tool rests (2) are oppositely arranged on the left side and the right side of the cam (5.1), and the inner side surface of the tool (4) placed by the tool rest (2) is leaked and matched with the tool sharpening part (3).
4. A knife holder angularly adjustable sharpener according to claim 3 and characterized in that: the number of the cams (5.1) is also two, the two cams (5.1) are connected with the extension part (5.21) and are coaxially arranged, and the driving surfaces of the two cams (5.1) are independently matched with the driving surfaces (2.1) of the two tool rests (2).
5. The adjustable tool holder angle sharpener of claim 4, wherein: the driving surface is provided with a flat section (5.11) and an arc-shaped section (5.12), the flat section (5.11) is connected between two end parts of the arc-shaped section (5.12), the arc-shaped section (5.12) close to one end of the flat section (5.11) is used as a starting end, the arc-shaped section (5.12) close to the other end of the flat section (5.11) is used as a final end, and the radius of the arc-shaped section is gradually increased from the starting end to the final end;
the two cams (5.1) are axially symmetrically arranged along the axial direction by rotating 180 degrees.
6. A knife holder angularly adjustable sharpener according to claim 3 and characterized in that: the tool rest (2) comprises a connecting part (2.2), a V-shaped groove (2.3) for placing a tool (4) is formed in the outer side of the connecting part (2.2), a transmission surface (2.1) is arranged on the inner side of the connecting part (2.2), a connecting hole (2.21) is formed in the lower end of the connecting part (2.2), the connecting hole (2.21) is connected with a pin shaft on the machine shell (1), and a rotating shaft A of the tool rest (2) is parallel to a rotating shaft C of the cam (5.1).
7. The adjustable tool holder angle sharpener of claim 6, wherein: an elastic piece (6) is hooped between the connecting parts (2.2) of the two tool holders (2), the two tool holders (2) are tensioned inwards by the two ends of the elastic piece (6), the two tool holders (2) are supplied with pretightening force rotating inwards, and the transmission surfaces (2.1) of the two tool holders (2) are driven to keep contact with the driving surfaces of the cams (5.1).
8. The adjustable tool holder angle sharpener of claim 6, wherein: the transmission surface (2.1) is a wall surface with an arc-shaped structure, a protrusion (2.11) protruding inwards from the transmission surface (2.1) is arranged at the upper end position of the transmission surface (2.1), and the protrusion (2.11) is of a semicircular structure.
9. A knife holder angularly adjustable sharpener according to claim 3 and characterized in that: the knife sharpening part (3) adopts abrasive belts, 3 belt wheels (3.1) are arranged in a triangle shape in the shell (1), and one belt wheel (3.1) is connected with a driving motor in a transmission way;
the abrasive belt surrounds the outer sides of the 3 pulleys (3.1), the outer wall of the right abrasive belt is contacted with the inner side surface of the cutting edge on the right cutter frame (2), and the outer wall of the left abrasive belt is contacted with the inner side surface of the cutting edge on the left cutter frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321066059.1U CN219704402U (en) | 2023-05-06 | 2023-05-06 | Knife sharpener with angle-adjustable knife rest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321066059.1U CN219704402U (en) | 2023-05-06 | 2023-05-06 | Knife sharpener with angle-adjustable knife rest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219704402U true CN219704402U (en) | 2023-09-19 |
Family
ID=87983755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321066059.1U Active CN219704402U (en) | 2023-05-06 | 2023-05-06 | Knife sharpener with angle-adjustable knife rest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219704402U (en) |
-
2023
- 2023-05-06 CN CN202321066059.1U patent/CN219704402U/en active Active
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