Clamp for knife sharpener

Abstract

The utility model discloses a tool sharpener clamp, and belongs to the technical field of tool grinding. A knife sharpener clamp comprises a reference part, a first clamping part and a second clamping part, and the reference part is provided with at least one first plane; the clamping part is matched with the reference part, the clamping part is provided with a second plane, the first plane is parallel to the second plane, and when the first plane approaches the second plane, the first plane is in surface contact with the tool and forms relative clamping force at the surface contact position of the tool; by means of movable clamping between the two planes, convenience and rapidness are achieved, the two planes and the two side faces of the cutter to be polished can form a large-range surface contact mode, friction force between the cutter and the cutter can be effectively increased, the cutting edge of the cutter is prevented from being stressed and deviated during polishing, and the larger the pressure applied to the cutter between the surface contact is, the larger the cutting edge is. And the clamping is more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of tool grinding, in particular to a tool sharpener fixture. Background Art

[0002] The sharpener fixture is a device used to clamp the tool to be sharpened and reduce the safety hazards of hand-held sharpening. In production and life, knives are widely used. Due to long-term friction, there are phenomena such as tool grinding and blade damage. In order to ensure normal use, the tool needs to be sharpened and repaired. The original hand-held tool repair for sharpening has the safety hazard of being scratched by the tool.

[0003] In the prior art, knife sharpeners mostly use a clamp to clamp the knife to be sharpened instead of holding it by hand, which can reduce the safety hazard of hands being scratched by the knife. However, in actual use, the cutting edge is affected by the grinding tool during the sharpening process, and the clamping position of the clamping tool is mostly point clamping or negative pressure adsorption. The friction force generated to fix the tool is small, which can easily cause the tool to be offset by force, and the clamping structure is relatively complex and inconvenient to use. Therefore, we propose a knife sharpener clamp. Utility Model Content

[0004] The utility model aims to solve the problem that the tool is not fixed stably by the tool sharpener clamp in the prior art, and the tool is easily offset during sharpening, and thus provides a tool sharpener clamp.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A knife sharpener clamp comprises: a reference portion, the reference portion having at least one first plane; a clamping portion matched with the reference portion, the clamping portion having a second plane, the first plane being parallel to the second plane, wherein when the first plane approaches the second plane, it forms a surface contact with a tool and forms a relative clamping force at the tool surface contact position.

[0007] Preferably, the reference portion includes a box body, the first plane is arranged at an end of the box body in the length direction, and the first plane is an inclined plane.

[0008] Furthermore, the angle between the first plane and the top plane of the box body is less than or equal to 90°, and a plurality of through grooves are provided on the first plane.

[0009] Furthermore, the bottom of the box body is an open structure, and a cover plate for closing the open structure is installed at the bottom of the box body, wherein a mounting column is fixedly connected to the box body, a positioning screw hole is opened on the cover plate, and the cover plate is fixedly connected to the mounting column by screws.

[0010] Furthermore, the clamping portion includes an adjustment plate slidably connected to the box body, one end of the adjustment plate extends outside the box body to form a clamping plate, the second plane is arranged on the clamping plate, and the plane where the clamping plate is located is parallel to the inclined surface.

[0011] In order to facilitate clamping and releasing the tool, preferably, it also includes a driving part arranged in the box body, and the driving part includes: a double-headed screw, which is rotatably connected in the box body, wherein the other end of the adjustment plate is fixedly connected to a driving plate, and a threaded hole matching the thread of the double-headed screw is provided on the driving plate; a driving roller, which is rotatably connected to the box body, and the center axis of the driving roller coincides with the axis of the double-headed screw, and when the driving roller is rotated, the first plane approaches or moves away from the second plane.

[0012] Furthermore, two groups of adjustment plates are provided, and the two groups of adjustment plates are respectively matched with the threads at both ends of the double-headed screw rod.

[0013] Furthermore, a plurality of anti-slip strips are distributed on the driving roller at equal intervals in a circumference.

[0014] Furthermore, a guide hole is provided on the adjustment plate, and the mounting column passes through the guide hole.

[0015] In order to ensure the stability of clamping, further, a guide channel is arranged in the box body, the driving plate is slidably connected in the guide channel, a limiting channel is arranged in the middle of the guide channel, and the driving roller is rotatably connected in the limiting channel.

[0016] Compared with the prior art, the utility model provides a knife sharpener fixture having the following

[0017] Beneficial effects:

[0018] 1. The knife sharpener fixture can clamp multiple knives on one reference part at the same time by setting one or more first planes on the reference part and each of them is equipped with a second plane, thereby greatly improving work efficiency;

[0019] 2. The knife sharpener clamp is designed to have a first plane on the box body as an inclined plane, where two first planes have an intersection line in space, thereby making the edge of the clamped tool away from each other, and providing more space for sharpening operations;

[0020] 3. The knife sharpener clamp realizes clamping by rotating a double-headed screw to drive the clamping plate to move, so the structure is simpler, the operation is also simpler, and it is more conducive to popularization and use.

[0021] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model uses mobile clamping between two planes, which is convenient and fast, and can make the two planes form a larger range of surface contact with the two side surfaces of the tool to be sharpened, which can effectively increase the friction between the tool and prevent the tool edge from being offset by force during grinding. The greater the pressure applied to the tool between the surface contact, the more stable the clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A plan view of a knife sharpener fixture proposed by the utility model;

[0023] Figure 2 A three-dimensional diagram of a knife sharpener fixture proposed by the utility model;

[0024] Figure 3 An exploded view of a knife sharpener fixture proposed by the utility model;

[0025] Figure 4 A partial cross-sectional view of a knife sharpener fixture proposed by the utility model Figure 1 ;

[0026] Figure 5 A partial cross-sectional view of a knife sharpener fixture proposed by the utility model Figure 2 ;

[0027] Figure 6 This is a structural schematic diagram of a knife sharpener clamp box body proposed by the utility model;

[0028] Figure 7 The utility model is a schematic structural diagram of a clamping portion of a knife sharpener clamp.

[0029] In the figure: 1. box body; 2. through groove; 3. guide channel; 4. limit channel; 5. mounting column; 6. limit groove; 7. cover plate; 8. adjustment plate; 9. clamping plate; 10. drive plate; 11. guide hole; 12. double-headed screw; 13. drive roller; 14. anti-slip strip. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0031] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0032] Example:

[0033] Reference Figure 1-Figure 7 A knife sharpener clamp comprises a handheld reference portion, the reference portion having at least one first plane that can be used to contact a tool to be sharpened; and a clamping portion cooperating with the reference portion, the clamping portion having a second plane that can contact the other side of the tool to be sharpened, the first plane and the second plane are parallel to each other, and the first plane can be a vertical plane or an inclined plane. Specifically, the tool is fixed in such a way that when the first plane approaches the second plane, it forms a surface contact with the tool and forms a relative clamping force at the contact position of the tool surface.

[0034] In the above structural design, the mobile clamping between the two planes is convenient and quick, and the two planes can form a larger range of surface contact with the two side surfaces of the tool to be sharpened, which can effectively increase the friction between the tool and prevent the tool edge from being offset by force during grinding. The greater the pressure applied to the tool between the surface contacts, the more stable the clamping. In addition, one or more first planes can be set on the reference part, and each of them is equipped with a second plane, so that multiple tools can be clamped on one reference part at the same time, greatly improving work efficiency.

[0035] In the above design, the reference part of the knife sharpener clamp includes a hollow box body 1, and the first plane is arranged at the end of the box body 1 in the length direction. Here, since the box body 1 has two ends in the length direction, that is, it has two first planes, two knives can be clamped at the same time, which effectively improves the work efficiency. In addition, the first plane is an inclined plane, and the two first planes here have an intersection line in space, so that the clamped tool edges are kept away, and there is more grinding operation space.

[0036] As a preferred embodiment, the angle between the first plane and the top plane of the box body 1 is less than or equal to 90°, and is preferably designed to be 30°.

[0037] In addition, a plurality of through grooves 2 are provided on the first plane, which can prevent the presence of impurities on the first plane from causing unstable clamping, and improve the aesthetics of the entire box body 1, making it more suitable for home use.

[0038] The bottom of the box body 1 is an open structure, and a cover plate 7 for closing the open structure is installed at the bottom of the box body 1. Specifically, a limiting groove 6 is opened at the open position of the box body 1, and the cover plate 7 is placed in the limiting groove 6 and fixed by screws, mainly to protect the components in the internal cavity of the box body 1.

[0039] In order to ensure the stability of the installation of the cover plate 7, a mounting column 5 is fixedly connected in the box body 1. A positioning screw hole is opened on the cover plate 7, and the cover plate 7 is fixedly connected to the mounting column 5 by screws.

[0040] In the above design, the clamping portion of the knife sharpener clamp includes an adjustment plate 8 slidably connected to the box body 1, and one end of the adjustment plate 8 extends out of the box body 1 to form a clamping plate 9, at which the cover plate 7 and the end of the box body 1 in the length direction have a through groove for the adjustment plate 8 to slide in and out, and the second plane is formed on the clamping plate 9, and the plane where the clamping plate 9 is located is parallel to the inclined surface, so that the tool to be sharpened is effectively fixed by the clamping of the clamping plate 9 and the end of the box body 1 in the length direction.

[0041] The knife sharpener fixture also includes a driving unit arranged in the box body 1, and the driving unit includes: a double-headed screw 12, the spiral rotation direction of the double-headed screw 12 is opposite, so that when the double-headed screw 12 is rotated in the same direction, the two adjustment plates 8 can be synchronously moved closer or farther away, thereby achieving the placement, clamping or release and removal of the tool. Specifically, the other end of the adjustment plate 8 is fixedly connected to a driving plate 10, and a threaded hole is provided on the driving plate 10 to match the thread of the double-headed screw 12. Here, in order to prevent the double-headed screw 12 and the driving plate 10 from loosening after rotation, the thread shape is preferably designed It is a triangular thread, a square thread and a conical thread, etc., to achieve self-locking performance; there is also a driving roller 13 protruding from the top flat part of the box body 1, which is fixedly connected to the double-headed screw 12. Most of the structure of the driving roller 13 is rotatably connected in the box body 1, and a small part is exposed, which can be conveniently rotated by fingers, and the central axis of the driving roller 13 coincides with the axis of the double-headed screw 12. When the driving roller 13 is rotated, the first plane approaches or moves away from the second plane, thereby achieving clamping and releasing of the tool. The overall structure is simpler and the operation difficulty is greatly reduced.

[0042] Specifically, a plurality of anti-slip strips 14 are distributed on the driving roller 13 at equal intervals in a circumference, so that when in use, a finger can move with greater friction, thereby achieving an effective clamping force on the tool.

[0043] In addition, a guide hole 11 is provided on the adjustment plate 8, and the mounting column 5 passes through the guide hole 11, so as to ensure that the adjustment plate 8 will not be misplaced or stuck when sliding, thereby improving the stability and convenience of clamping.

[0044] In order to drive the adjustment plate 8 more stably, a guide channel 3 is formed in the box body 1, the driving plate 10 is slidably connected in the guide channel 3, a limiting channel 4 is arranged in the middle of the guide channel 3, and the driving roller 13 is rotatably connected in the limiting channel 4, thereby ensuring that the driving roller 13 can effectively drive the double-headed screw 12 to rotate when rotating, thereby improving the controllability and stability of the movement of the driving plate 10.

[0045] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A knife sharpener fixture, characterized in that: include: a reference portion, the reference portion having at least one first plane; A clamping portion matched with the reference portion, the clamping portion having a second plane, the first plane being parallel to the second plane, Wherein, when the first plane approaches the second plane, it forms surface contact with the tool and forms a relative clamping force at the tool surface contact position; The reference portion comprises a box body (1), a first plane is arranged at an end of the box body (1) in the length direction, and the first plane is an inclined plane; The bottom of the box body (1) is an open structure, and a cover plate (7) for closing the open structure is installed at the bottom of the box body (1). The box body (1) is fixedly connected with a mounting column (5), the cover plate (7) is provided with a positioning screw hole, and the cover plate (7) is fixedly connected to the mounting column (5) by means of screws; The clamping portion comprises an adjustment plate (8) slidably connected to the box body (1), one end of the adjustment plate (8) extends outside the box body (1) to form a clamping plate (9), the second plane is arranged on the clamping plate (9), and the plane where the clamping plate (9) is located is parallel to the inclined surface; It also includes a driving unit arranged in the box body (1), the driving unit including: A double-ended screw rod (12), the double-ended screw rod (12) is rotatably connected in the box body (1), The other end of the adjustment plate (8) is fixedly connected to a drive plate (10), and the drive plate (10) is provided with a threaded hole that is threadably matched with a double-headed screw rod (12); A driving roller (13) is rotatably connected to the box body (1), and the central axis of the driving roller (13) coincides with the axis of the double-headed screw (12). When the driving roller (13) is rotated, the first plane approaches or moves away from the second plane. The adjustment plates (8) are provided in two groups, and the two groups of adjustment plates (8) are respectively matched with threads at both ends of the double-headed screw rod (12).

2. A knife sharpener fixture according to claim 1, characterized in that: The angle between the first plane and the top plane of the box body (1) is less than or equal to 90°, and a plurality of through slots (2) are provided on the first plane.

3. A knife sharpener fixture according to claim 1, characterized in that: A plurality of anti-slip strips (14) are distributed on the driving roller (13) at equal intervals in a circumference.

4. A knife sharpener fixture according to claim 1, characterized in that: The adjustment plate (8) is provided with a guide hole (11), and the mounting column (5) passes through the guide hole (11).

5. The knife sharpener fixture according to claim 1, characterized in that: A guide channel (3) is provided in the box body (1), the drive plate (10) is slidably connected in the guide channel (3), a limit channel (4) is provided in the middle of the guide channel (3), and the drive roller (13) is rotatably connected in the limit channel (4).

Images