CN117718811A - Fixed-angle knife edge grinding device and method thereof - Google Patents
Fixed-angle knife edge grinding device and method thereof Download PDFInfo
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- CN117718811A CN117718811A CN202311780363.7A CN202311780363A CN117718811A CN 117718811 A CN117718811 A CN 117718811A CN 202311780363 A CN202311780363 A CN 202311780363A CN 117718811 A CN117718811 A CN 117718811A
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000001179 sorption measurement Methods 0.000 claims abstract description 20
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 230000001154 acute effect Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Abstract
The invention discloses a device and a method for grinding a knife edge at a fixed angle, wherein the device for grinding the knife edge at the fixed angle comprises a grinding device, and the grinding device reciprocates or rotates to drive a grinding surface to grind a cutter; the angle fixing device is fixedly arranged at one end of the grinding device and is used for adjusting the angle of a grinding edge of the cutter; the cutter adsorption device is hinged on the angle fixing device and is used for adsorbing a cutter; a grinding position marking device, which is used for forming a light ray perpendicular to the grinding direction on the grinding surface; in the grinding process of the cutter, the cutter is rotated to enable the cutter opening to always move along the grinding position mark to realize grinding perpendicular to the grinding surface, so that the cutter opening angles of all parts of the cutter opening are kept consistent; when the angle of the knife edge is adjusted, the height position of the universal bearing or the position of the grinding contact point is adjusted.
Description
Technical Field
The invention belongs to the technical field of auxiliary devices for cutting tool exploitation, and particularly relates to a device and a method for grinding a cutting edge at a fixed angle.
Background
The existing cutters are often required to be opened manually, and various auxiliary devices for opening and utilizing the cutters are available, but the cutter angle can be accurately set and is difficult to find.
Therefore, it is necessary to design a device for precisely setting the knife edge angle, and the knife edge angle of each part of the knife edge can be consistent without being influenced by the change of the radian of the knife edge for a knife or a kitchen knife with a common arc-shaped knife edge.
Disclosure of Invention
In view of the defects in the prior art, the invention aims to provide a device and a method for grinding a knife edge at a fixed angle, wherein the device for grinding the knife edge at the fixed angle comprises a grinding device which reciprocates or rotates to drive a grinding surface to grind a cutter; the angle fixing device is fixedly arranged at one end of the grinding device and is used for adjusting the angle of a grinding knife edge of the cutter; the cutter adsorption device is hinged to the angle fixing device and is used for adsorbing a cutter and adjusting the positions of the cutter and the grinding surface; a grinding position marking device for forming a light ray perpendicular to the grinding direction on the grinding surface; in the grinding process of the cutter, the cutter is rotated to enable the cutter opening to always move along the grinding position mark and to be perpendicular to the grinding direction, so that the cutter opening angles of all parts of the cutter opening are kept consistent; when the angle of the knife edge is adjusted, the height position of the universal bearing or the position of the grinding contact point is adjusted.
The technical problem to be solved by the invention is to provide a device for grinding a knife edge at a fixed angle, which aims at the defects in the prior art and comprises:
the grinding device reciprocates or rotates to drive the grinding surface to grind the cutter;
the angle fixing device is arranged at one end of the grinding device and is used for adjusting the angle of a grinding knife edge of the cutter;
the cutter adsorption device is hinged to the angle fixing device and is used for adsorbing a cutter;
and the grinding position marking device is used for forming a light ray perpendicular to the grinding direction on the grinding surface.
Preferably, the angle fixing device comprises an angle fixing connecting rod, a universal bearing, a base connecting rod and a base rotating shaft; the machine seat rotating shaft is fixed on the machine seat, one end of the machine seat connecting rod is matched with the machine seat rotating shaft, the universal bearing is arranged at the other end of the machine seat connecting rod, one end of the angle fixing connecting rod is matched with the inner wall of the universal bearing, the universal bearing is of a ball head universal joint type, the inner wall of the machine seat rotating shaft is matched with the cylindrical surface of the machine seat connecting rod, the machine seat rotating shaft is provided with an adjustable limit gear for the insertion depth of the machine seat connecting rod, and the angle fixing device is provided with a graduated scale.
Preferably, the tool adsorption device comprises a suction tool and a suction tool mounting plate, the suction tool mounting plate is hinged to the other end of the fixed angle connecting rod through a suction tool rotating shaft, the suction tools are fixedly arranged on the bottom surface of the suction tool mounting plate, the number of the suction tools is two, the protruding blocks for propping against the back of a tool are fixedly arranged on the bottom surface of the suction tool mounting plate, and the number of the protruding blocks is two.
Preferably, one end of the fixed angle connecting rod is a plate with a hole, the plate is in contact with the bottom surface of the magnet mounting plate, and the hole is used for hinging one end of the fixed angle connecting rod with the suction tool mounting plate.
Preferably, the grinding device has a rigid grinding surface or a flexible grinding surface, wherein the rigid grinding surface is a grinding wheel or a grindstone; the flexible grinding surface is an abrasive belt, and a supporting plate is arranged below the flexible grinding surface.
Preferably, the grinding device has a flexible grinding surface, which is a sanding belt; the grinding device comprises a frame, a speed regulating motor, a driving wheel, an abrasive belt, a driven wheel and a driven wheel bracket; the speed regulating motor is fixed at the left end of the frame, the driving wheel is fixedly connected with an output shaft of the speed regulating motor, the driven wheel support is hinged to the right end of the frame, the driven wheel is fixed to the driven wheel support in the axial direction and can rotate relative to the driven wheel support in the radial direction, the abrasive belt is sleeved between the driving wheel and the driven wheel, and the machine base is fixed to the right end face of the frame.
Preferably, the driven wheel bracket is provided with an upper hole, a middle hole and a lower hole, wherein the driven wheel is arranged in the upper hole, the middle hole is used for hinging the driven wheel bracket with the frame, and the driven wheel bracket rotates around the middle hole.
Preferably, the grinding device further comprises a spring, a first T-shaped rod is fixedly arranged in the lower hole, a second T-shaped rod is fixedly arranged on the frame, and two ends of the spring are respectively and fixedly connected to the first T-shaped rod and the second T-shaped rod.
Preferably, the grinding device further comprises a dust guard plate, the dust guard plate is composed of a vertical plate and a transverse plate which are integrally formed, the vertical plate is fixed on the right side face of the frame, and the transverse plate is located above the abrasive belt.
Preferably, the grinding position marking means is replaced by providing other objects beside the grinding point of the grinding surface as reference position marks or by covering the grinding surface with only a partial position exposed to determine the grinding position.
Preferably, the tool adsorption device can also be replaced by a clamp.
The fixed angle grinding device is used for grinding the cutter at a fixed angle; the method comprises the following steps:
(1) Determining the angle of a grinding edge of a cutter to be ground;
(2) The height of the angle fixing device is adjusted according to the angle of the grinding knife edge;
(3) Determining a grinding position mark according to the angle of the grinding knife edge;
(4) One surface of a cutter is adsorbed on the cutter adsorption device, so that the cutter edge of the cutter is contacted with the grinding surface of the grinding device and is moved, and the cutter edge of the cutter is always kept to move along the grinding position mark and perpendicular to the grinding direction in the moving process of the cutter;
(5) The cutter is disassembled, the other surface of the cutter is adsorbed on the cutter adsorption device, the cutter edge of the cutter is contacted with the grinding surface of the grinding device, the cutter is moved, and the cutter edge of the cutter is always kept to move along the grinding position mark and perpendicular to the grinding direction in the moving process of the cutter.
When the fixed angle knife edge grinding device is used, in the knife grinding process, the knife body of the knife needs to be adsorbed on the knife adsorption device, and the fixed angle grinding working mode is adopted, so that the knife edge of the knife contacts with the grinding surface of the grinding device and moves the knife through the grinding device and the fixed angle device which are arranged on the machine base and the knife adsorbed on the knife adsorption device is manually taken, and all parts of the knife edge of the knife are ground;
the angle fixing device is connected with the machine base sequentially through the suction tool, the suction tool rotating shaft, the angle fixing connecting rod, the universal bearing, the machine base connecting rod and the machine base rotating shaft; the connection of the rotating shaft of the suction tool and the suction tool allows the cutter to rotate along the suction surface of the suction tool, so that all parts of the cutter edge can rotate to the direction perpendicular to the grinding direction when contacting the grinding surface; the sliding connection of the suction tool connecting rod and the universal bearing allows the cutter to slide along the direction of the suction tool connecting rod, so that all parts of the cutter edge can move to the grinding position mark when contacting the grinding surface; the connection between the frame connecting rod and the universal bearing determines the position and the height of the universal bearing above the grinding surface, and the higher the height is, the larger the knife edge sharpening angle is; the connection of the frame rotating shaft and the frame connecting rod allows the universal bearing to rotate around the frame rotating shaft, so that the rotation range of the universal bearing on the grinding surface is increased;
the manual operation is as follows: the method comprises the steps of manually taking a cutter adsorbed on a suction tool, enabling a cutter edge of the cutter to be contacted with a grinding surface of a grinding device and moving the cutter, enabling all parts of the cutter edge to be ground, wherein the contact position of the cutter edge and the grinding surface is required to be unchanged relative to a machine base when the cutter is required to be sharpened, irradiating the grinding surface by a laser lamp arranged on the machine base, forming a light ray perpendicular to the grinding direction on the grinding surface, taking the light ray as a reference position of the cutter edge contacting the grinding surface, and taking other objects beside the grinding surface as reference positions, wherein each position of the cutter edge contacting the grinding surface is required to keep the cutter edge direction approximately perpendicular to the grinding direction;
usually, the cutter is used for grinding two sides of the cutter, when the cutter on one side is ground by the method, the cutter is taken down from the suction tool, the other side of the cutter is absorbed on the suction tool, the cutter on the other side is ground by the same method, and finally, the grinding forming angle of the cutter is the difference between the sum of two single-side grinding angles (acute angles) and the included angle (acute angles) of two cutter bodies of the cutter;
the linkage of the connecting modes of the components and the manual operation method are correct, so that all parts of the knife edge can form a consistent single-sided knife sharpening angle.
Compared with the prior art, the invention has the following positive effects: the device and the method for grinding the knife edge at a fixed angle can realize that the knife edge is rotated to always move along the grinding position mark to realize the perpendicular to the grinding surface in the grinding process of the knife edge, so that the knife edge angles of all parts of the knife edge are kept consistent; when the angle of the knife edge is adjusted, the height position of the universal bearing or the position of the grinding contact point is adjusted.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a fixed angle belt sander of the present invention;
FIG. 2 is a schematic diagram of the whole structure of the fixed angle belt breaker of the present invention;
FIG. 3 is an enlarged partial schematic view of the constant angle belt sander of the present invention;
fig. 4 is a schematic diagram of the relative position structure of a cutter and a grinding device in the fixed angle belt breaker according to the present invention, wherein fig. (a) is a schematic diagram of the overall structure, fig. (b) is a schematic diagram of the relative position of a cutter tip and the grinding device in the process of cutting the cutter, and fig. (c) is a schematic diagram of the relative position of a cutter root and the grinding device in the process of cutting the cutter;
the marks in the drawings are: 1-frame, 2-speed regulating motor, 3-action wheel, 4-abrasive belt, 5-cutter, 6-suction tool, 7-suction tool mounting plate, 8-fixed angle connecting rod, 9-universal bearing, 10-base connecting rod, 11-base rotating shaft, 12-dust guard, 13-driven wheel, 14-driven wheel bracket, 15-spring, 16-grinding position mark, 17-suction tool rotating shaft, 51-cutter body and 52-knife edge.
Detailed Description
The invention is further described below with reference to fig. 1-4 and the detailed description.
Referring to fig. 1-4, the present invention contemplates an apparatus for sharpening a knife edge at a fixed angle comprising:
the grinding device rotates back and forth to drive the grinding surface to grind the cutter;
the angle fixing device is arranged at one end of the grinding device and is used for adjusting the angle of a grinding knife edge of the cutter;
the cutter adsorption device is hinged to the angle fixing device and is used for adsorbing a cutter;
a grinding position marking device for forming a light ray perpendicular to the grinding direction on the grinding surface;
the angle fixing device comprises an angle fixing connecting rod 8, a universal bearing 9, a base connecting rod 10 and a base rotating shaft 11; the machine seat rotating shaft 11 is fixed on the machine seat, one end of the machine seat connecting rod 10 is matched with the machine seat rotating shaft 11, the universal bearing 9 is arranged at the other end of the machine seat connecting rod 10, one end of the fixed angle connecting rod 8 is matched and arranged in the inner wall of the universal bearing 9, the universal bearing 9 is of a ball-head universal joint type, the machine seat rotating shaft 11 is provided with an inner cavity, and the inner wall of the inner cavity of the machine seat rotating shaft 11 is in sliding fit with the outer circumferential surface of the machine seat connecting rod 10; the machine seat rotating shaft 11 is provided with an adjustable limit stop for the insertion depth of the machine seat connecting rod 10, the height of the machine seat connecting rod 10 can be adjusted, the height of the universal bearing 9 is changed, the higher the height is, the larger the knife edge sharpening angle is, and a graduated scale can be arranged for marking sharpening angles corresponding to different heights;
the cutter adsorption device comprises a suction tool 6 and a suction tool mounting plate 7, wherein the suction tool mounting plate 7 is hinged to the other end of the fixed angle connecting rod 8 through a suction tool rotating shaft 17, the suction tools 6 are fixedly arranged on the bottom surface of the suction tool mounting plate 7, the number of the suction tools 6 is two, the bottom surface of the suction tool mounting plate 7 is fixedly provided with protruding blocks for propping against the back of a cutter 5, and the number of the protruding blocks is two; specifically, a magnet is arranged on the suction tool for absorbing the knife face of the knife, a protruding block can be arranged behind the magnet of the suction tool, so that the suction tool can be propped against the knife back of the knife when the knife is absorbed, and therefore the suction tool is not easy to slide on the knife face, specifically, the suction tool 6 is a strong magnet with holes, and the suction tool mounting plate 7 is a magnet mounting plate;
one end of the fixed angle connecting rod 8 is a plate with a hole, the plate is contacted with the bottom surface of the suction tool mounting plate 7, and the hole is used for hinging one end of the fixed angle connecting rod 8 with the suction tool mounting plate 7;
the grinding device is provided with a rigid grinding surface or a flexible grinding surface, wherein the rigid grinding surface is a grinding wheel or a grinding stone, and the flexible grinding surface is an abrasive belt; a supporting plate is arranged below the flexible grinding surface to prevent the knife edge from being pressed down to change the grinding position when contacting the grinding surface, and the angle of knife sharpening is influenced;
the grinding device is provided with a flexible grinding surface, and the flexible grinding surface is an abrasive belt 4; the grinding device comprises a frame 1, a speed regulating motor 2, a driving wheel 3, an abrasive belt 4, a driven wheel 13 and a driven wheel bracket 14; the speed regulating motor 2 is fixed at the left end of the frame 1, the driving wheel 3 is fixedly connected with an output shaft of the speed regulating motor 2, the driven wheel bracket 14 is hinged at the right end of the frame 1, the driven wheel 13 is fixed on the driven wheel bracket 14 in the axial direction and can rotate relative to the driven wheel bracket 14 in the radial direction, the abrasive belt 4 is sleeved between the driving wheel 3 and the driven wheel 13, and the machine base is fixed at the right end face of the frame 1;
the driven wheel bracket 14 is provided with an upper hole, a middle hole and a lower hole, wherein the driven wheel 13 is arranged in the upper hole, the middle hole is used for hinging the driven wheel bracket 14 with the frame 1, and the driven wheel bracket 14 rotates around the middle hole; the driven wheel 13 is connected with the driven wheel bracket 14 through a bearing, so that the driven wheel 13 is fixed on the driven wheel bracket 14 in the axial direction and can rotate relative to the driven wheel bracket 14 in the radial direction;
the grinding device further comprises a spring 15, a first T-shaped rod is fixedly arranged in the lower hole, a second T-shaped rod is fixedly arranged on the frame 1, and two ends of the spring 15 are respectively and fixedly connected to the first T-shaped rod and the second T-shaped rod;
the grinding device further comprises a dust-proof plate 12, wherein the dust-proof plate 12 consists of a vertical plate and a transverse plate which are integrally formed, the vertical plate is fixed on the right side surface of the frame 1, and the transverse plate is positioned above the abrasive belt 4;
the grinding position marking device is replaced by arranging other objects beside the grinding point of the grinding surface as reference position marks, or covering the grinding surface to only expose partial positions to determine the grinding position, and naturally, the distance between the grinding contact point and the connecting rod of the machine base can be adjusted, and the longer the distance, the smaller the sharpening angle under the condition that the position of the universal bearing is unchanged;
the tool adsorption device can also be replaced by a clamp, but compared with the clamp, the suction tool can better enable the surface of the tool, which is contacted with the grinding surface, to have larger clearance space, so that the suction tool or the clamp is prevented from contacting the grinding surface when the sharpening angle is smaller or the tool surface is narrower.
The method for grinding the knife edge at a fixed angle adopts the device for grinding the knife edge at a fixed angle; the method is characterized by comprising the following steps:
(1) Determining the angle of a grinding edge of a cutter to be ground;
(2) The height of the angle fixing device is adjusted according to the angle of the grinding knife edge;
(3) Determining a grinding position mark 16 according to the grinding edge angle;
(4) One surface of the cutter is adsorbed on the cutter adsorption device, so that the cutter edge 52 of the cutter contacts with the grinding surface of the grinding device and moves the cutter, and the cutter edge 52 of the cutter is always kept to move along the grinding position mark 16 and perpendicular to the grinding direction in the moving process of the cutter;
(5) The cutter is disassembled, the other surface of the cutter is adsorbed on the cutter adsorption device, the cutter edge 52 of the cutter is contacted with the grinding surface of the grinding device, the cutter is moved, and the cutter edge 52 of the cutter is always kept to move along the grinding position mark 16 and perpendicular to the grinding direction in the moving process of the cutter.
Specifically, the grinding device comprises a frame 1, a speed regulating motor 2, a driving wheel 3, an abrasive belt 4, a dust-proof plate 12, a driven wheel 13, a driven wheel bracket 14 and a spring 15; the driven wheel bracket 14 is provided with an upper hole, a middle hole and a lower hole, the upper hole is provided with the driven wheel 13, the middle hole is connected with one hole of the frame 1 by a base connecting rod, the driven wheel bracket 14 can rotate around the hole, the lower hole is tensioned by a spring 15, so that the driven wheel 13 is stressed by a force far away from the driving wheel 3, and the abrasive belt 4 is tensioned. When the abrasive belt 4 is assembled and disassembled, the installation screw of the driven wheel 13 is pushed to rotate the driven wheel bracket 14, the driven wheel 13 is close to the driving wheel 3, and the abrasive belt 4 is loosened, so that the abrasive belt can be taken down or installed.
The angle fixing device comprises an angle fixing connecting rod 8, a universal bearing 9, a base connecting rod 10 and a base rotating shaft 11; two strong magnets 6 with holes are arranged on the magnet mounting plate 7 and can attract the cutter body 51 of the cutter 5, two protruding blocks are arranged in the middle of the magnet mounting plate 7 and can prop against the back of the cutter, and a hole is formed in the rear of the magnet mounting plate 7; one end of the fixed angle connecting rod 8 is provided with a plate with a hole, the hole is hinged with a hole at the rear part of the magnet mounting plate 7 through a suction tool rotating shaft 17, so that the fixed angle connecting rod 8 and the magnet mounting plate 7 can mutually rotate around the suction tool rotating shaft 17, the magnet mounting plate 7 and the plate at one end of the fixed angle connecting rod 8 are mutually contacted and always on the same plane, the fixed angle connecting rod 8 passes through the universal bearing 9, and the fixed angle connecting rod 8 can rotate around the universal bearing 9 in any direction and also can longitudinally slide; the universal bearing 9 is connected to the stand rotating shaft 11 through the stand connecting rod 10, the stand rotating shaft 11 is provided with an adjustable limit stop for the insertion depth of the stand connecting rod 10, and the height of the universal bearing 9 can be adjusted through the sliding distance between the stand connecting rod 10 and the stand rotating shaft 11.
When the fixed angle knife edge grinding device is used, in the knife sharpening process, the knife body 51 of the knife needs to be adsorbed on the knife adsorption device, and the fixed angle grinding working mode is adopted, and the knife adsorbed on the knife adsorption device is manually taken by the grinding device and the fixed angle device arranged on the machine base, so that the knife edge 52 of the knife contacts with the grinding surface of the grinding device and moves the knife, and all parts of the knife edge 52 of the knife are ground;
the angle fixing device is connected with the machine base sequentially through the suction tool, the suction tool rotating shaft, the angle fixing connecting rod, the universal bearing, the machine base connecting rod and the machine base rotating shaft; the connection of the rotating shaft of the suction tool and the suction tool allows the cutter to rotate along the suction surface of the suction tool, so that all parts of the cutter edge can rotate to the direction perpendicular to the grinding direction when contacting the grinding surface; the sliding connection of the suction tool connecting rod and the universal bearing allows the cutter to slide along the direction of the suction tool connecting rod, so that all parts of the cutter edge can move to the grinding position mark when contacting the grinding surface; the connection between the frame connecting rod and the universal bearing determines the position and the height of the universal bearing above the grinding surface, and the higher the height is, the larger the knife edge sharpening angle is; the connection of the frame rotating shaft and the frame connecting rod allows the universal bearing to rotate around the frame rotating shaft, so that the rotation range of the universal bearing on the grinding surface is increased;
the manual operation is as follows: the method comprises the steps of manually taking a cutter adsorbed on a suction tool, enabling a cutter edge of the cutter to be contacted with a grinding surface of a grinding device and moving the cutter, enabling all parts of the cutter edge to be ground, wherein the contact position of the cutter edge and the grinding surface is required to be unchanged relative to a machine base when the cutter is required to be sharpened, irradiating the grinding surface by a laser lamp arranged on the machine base, forming a light ray perpendicular to the grinding direction on the grinding surface, taking the light ray as a reference position of the cutter edge contacting the grinding surface, and taking other objects beside the grinding surface as reference positions, wherein each position of the cutter edge contacting the grinding surface is required to keep the cutter edge direction approximately perpendicular to the grinding direction;
usually, the cutter is used for grinding two sides of the cutter, when the cutter on one side is ground by the method, the cutter is taken down from the suction tool, the other side of the cutter is absorbed on the suction tool, the cutter on the other side is ground by the same method, and finally, the grinding forming angle of the cutter is the difference between the sum of two single-side grinding angles (acute angles) and the included angle (acute angles) of two cutter bodies of the cutter;
the linkage of the connecting modes of the components and the manual operation method are correct, so that all parts of the knife edge can form a consistent single-sided knife sharpening angle.
Compared with the prior art, the invention has the following positive effects: the device and the method for grinding the knife edge at a fixed angle can realize that the knife edge is rotated to always move along the grinding position mark to realize the perpendicular to the grinding surface in the grinding process of the knife edge, so that the knife edge angles of all parts of the knife edge are kept consistent; when the angle of the knife edge is adjusted, the height position of the universal bearing or the position of the grinding contact point is adjusted.
In view of the foregoing, it will be appreciated that in view of the above teachings, those skilled in the art will readily appreciate that many modifications are possible in the specific features disclosed herein.
Claims (10)
1. A device for sharpening a knife edge at a fixed angle, comprising:
the grinding device reciprocates or rotates to drive the grinding surface to grind the cutter;
the angle fixing device is arranged at one end of the grinding device and is used for adjusting the angle of a grinding knife edge of the cutter;
the cutter adsorption device is hinged to the angle fixing device and is used for adsorbing a cutter;
and the grinding position marking device is used for forming a light ray perpendicular to the grinding direction on the grinding surface.
2. A fixed angle grinding edge device according to claim 1, characterized in that the fixed angle device comprises a fixed angle connecting rod (8), a universal bearing (9), a base connecting rod (10) and a base rotating shaft (11); the machine seat rotating shaft (11) is fixed on the machine seat, one end of the machine seat connecting rod (10) is in threaded fit with the machine seat rotating shaft (11), the universal bearing (9) is arranged at the other end of the machine seat connecting rod (10), one end of the fixed angle connecting rod (8) is matched and arranged in the inner wall of the universal bearing (9), the inner wall of the machine seat rotating shaft (11) is matched with the cylindrical surface of the machine seat connecting rod, and the machine seat rotating shaft (11) is provided with an adjustable limit stop for the insertion depth of the machine seat connecting rod (10); and a graduated scale is arranged on the angle fixing device.
3. The fixed angle grinding edge device according to claim 2, wherein the tool adsorption device comprises a suction tool (6) and a suction tool mounting plate (7), the suction tool mounting plate (7) is hinged to the other end of the fixed angle connecting rod (8) through a suction tool rotating shaft (17), the suction tools (6) are fixedly arranged on the bottom surface of the suction tool mounting plate (7), the number of the suction tools (6) is two, and the number of the protruding blocks for supporting the back of a tool (5) is fixedly arranged on the bottom surface of the suction tool mounting plate (7).
4. A fixed angle grinding edge arrangement according to claim 3, characterized in that the fixed angle link (8) has a plate with a hole at one end, said plate being in contact with the bottom surface of the suction tool mounting plate (7), said hole being for the articulation of one end of the fixed angle link (8) with the suction tool mounting plate (7).
5. The apparatus for grinding a knife edge at a fixed angle of claim 4, wherein the grinding apparatus has a rigid grinding surface or a flexible grinding surface, wherein the rigid grinding surface is a grinding wheel or a grindstone; the flexible grinding surface is an abrasive belt, and a supporting plate is arranged below the flexible grinding surface.
6. A fixed angle grinding edge arrangement according to claim 5, characterized in that the grinding means has a flexible grinding surface, which is an abrasive belt (4);
the grinding device comprises a frame (1), a speed regulating motor (2), a driving wheel (3), an abrasive belt (4), a driven wheel (13) and a driven wheel bracket (14); the speed regulating motor (2) is fixed at the left end of the frame (1), the driving wheel (3) is fixedly connected with an output shaft of the speed regulating motor (2), the driven wheel support (14) is hinged to the right end of the frame (1), the driven wheel (13) is fixed to the driven wheel support (14) in the axial direction and can rotate relative to the driven wheel support (14) in the radial direction, the abrasive belt (4) is sleeved between the driving wheel (3) and the driven wheel (13), and the machine base is fixed to the right end face of the frame (1).
7. A fixed angle grinding edge device according to claim 5, characterized in that the driven wheel support (14) is provided with an upper hole, a middle hole and a lower hole, wherein the driven wheel (13) is arranged in the upper hole, the middle hole is used for hinging the driven wheel support (14) with the frame (1), and the driven wheel support (14) rotates around the middle hole.
8. The fixed angle grinding edge device according to claim 5, further comprising a spring (15), wherein a first T-shaped rod is fixedly arranged in the lower hole, a second T-shaped rod is fixedly arranged on the frame (1), and two ends of the spring (15) are fixedly connected to the first T-shaped rod and the second T-shaped rod respectively.
9. A fixed angle grinding edge apparatus as claimed in claim 1, characterized in that the grinding position marking means is alternatively arranged to set other objects beside the grinding point of the grinding surface as reference position marks or to cover the grinding surface with only a partial position exposed to determine the grinding position.
10. A method for grinding a knife edge at a fixed angle, wherein the device for grinding the knife edge at the fixed angle is used for grinding the knife at the fixed angle; the method is characterized by comprising the following steps:
(1) Determining the angle of a grinding edge of a cutter to be ground;
(2) The height and the direction of the universal bearing of the angle fixing device are adjusted according to the angle of the grinding knife edge;
(3) Determining a grinding position mark (16) according to the grinding edge angle;
(4) One surface of a cutter is adsorbed on the cutter adsorption device, so that a cutter edge (52) of the cutter is contacted with the grinding surface of the grinding device and is moved, and the cutter edge (52) of the cutter is always kept to move along the grinding position mark (16) and is perpendicular to the grinding direction in the moving process of the cutter;
(5) The cutter is disassembled, the other surface of the cutter is adsorbed on the cutter adsorption device, the cutter edge (52) of the cutter is contacted with the grinding surface of the grinding device, the cutter is moved, and the cutter edge (52) of the cutter is always kept to move along the grinding position mark (16) and perpendicular to the grinding direction in the moving process of the cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311780363.7A CN117718811A (en) | 2023-12-22 | 2023-12-22 | Fixed-angle knife edge grinding device and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311780363.7A CN117718811A (en) | 2023-12-22 | 2023-12-22 | Fixed-angle knife edge grinding device and method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117718811A true CN117718811A (en) | 2024-03-19 |
Family
ID=90210537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311780363.7A Pending CN117718811A (en) | 2023-12-22 | 2023-12-22 | Fixed-angle knife edge grinding device and method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117718811A (en) |
-
2023
- 2023-12-22 CN CN202311780363.7A patent/CN117718811A/en active Pending
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