Cutting knife and production process thereof

Abstract

The invention belongs to the technical field of machine tool cutters, and particularly relates to a cutting knife and a production process thereof. The cutting part is arranged at the end part of the cutter handle; the plurality of cutting edges are arranged on the cutting part and are uniformly distributed at intervals along the circumferential direction of the cutting part; the chipping groove is formed in the cutting edge of the cutting edge, and the chipping groove penetrates through the cutting edge in the thickness direction of the cutting edge; wherein each cutting edge is provided with at least two chipping grooves, a chipping discharging groove is formed between every two adjacent cutting edges, and compared with the prior art, the chipping grooves are arranged, so that the chipping discharging grooves can conveniently discharge wood chippings, the cutting knife is smoother and lighter in the operation process, and the cutting performance of the cutting knife is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of machine tool cutting tools, and in particular relates to a cutting tool and a production process thereof. Background Art

[0002] A cutting tool is a tool used for metal processing, mainly used for cutting, shaving and forming materials. They are widely used in mechanical manufacturing, metal processing, woodworking and other fields. Cutting tools can be divided into various types according to different uses and processing methods, such as turning tools, milling cutters, etc. The patent with application number CN202071153U discloses a woodworking engraving and milling cutter, including a rod-shaped body, the front end of the body is in a right prism shape and a hemispherical shape from back to front, at least two circumferentially evenly distributed cutting grooves are opened at the hemispherical part of the body, and the outer side surface of the right prism shape of the body is opened with a chip groove corresponding to the number of cutting grooves and one end is connected to the corresponding cutting groove, and the other end of the chip groove extends axially toward the rear end of the body;

[0003] In the woodworking process, the existing cutting tool has difficulty in discharging wood chips, is heavy to use, has poor cutting performance, and has high production costs, so it is necessary to make improvements. Summary of the invention

[0004] The object of the present invention is to provide a cutting blade and a production process thereof in order to improve the cutting performance of the cutting blade and reduce the production cost of the cutting blade in view of the above-mentioned existing technical problems.

[0005] In view of this, the present invention provides a cutting tool, comprising:

[0006] A knife handle, wherein a positioning protrusion is provided on the knife handle;

[0007] A cutting portion, the cutting portion being arranged at an end of the handle;

[0008] Also includes:

[0009] A plurality of cutting edges, wherein the plurality of cutting edges are arranged on the cutting portion and are evenly spaced and distributed along the circumference of the cutting portion;

[0010] A chip groove, the chip groove is arranged on the cutting edge of the cutting edge, and the chip groove penetrates the cutting edge along the thickness direction of the cutting edge;

[0011] Wherein, the cutting edge is provided with at least two chip grooves, and a chip removal groove is formed between adjacent cutting edges.

[0012] In the present technical solution, by setting the chip groove, during the woodworking process of the cutting tool, large wood chips can be cut into smaller wood chips under the action of the chip groove, which facilitates the chip groove to discharge the wood chips, thereby making the cutting tool smoother and lighter during operation, thereby improving the cutting performance of the cutting tool.

[0013] In the above technical solution, further, the cutting edge can be a straight edge or a bevel edge.

[0014] In the above technical solution, further, the present invention also discloses a production process of a cutting blade, comprising the following steps:

[0015] S1 pretreatment, the original bar is cut according to the length requirements, and then the cut bar is rough ground and fine ground by a centerless grinder. The centerless grinder recycles the grinding fluid during the grinding process. After grinding, one end of the bar is chamfered by a common grinder;

[0016] S2 tool holder processing, rough turning, punching and reaming the pre-treated bar in S1 to form a tool holder;

[0017] S3 alloy rod welding, connect the tool handle in S2 to the alloy rod by high-frequency induction welding, and pickle the welded parts;

[0018] S4 welding seam processing, arc turning processing is performed on the welding joints of the welded parts in S3;

[0019] S5 surface treatment, sandblasting and painting of the welded parts in S4;

[0020] S6 sharpening: sharpening the welded parts that have been surface treated in S5 through CNC machine tools, and machining the chip grooves and chip removal grooves;

[0021] S7 quality inspection is to perform sampling inspection on the cutting knives after sharpening.

[0022] In the above technical solution, further, the centerless grinder also includes:

[0023] A machine body, wherein an equipment cavity is arranged in the machine body, and a cavity door is arranged on a side of the machine body;

[0024] A centerless grinding part, which is arranged on the machine body and includes a pair of grinding wheels;

[0025] A feeding part, which is arranged on the feeding side of the centerless grinding part and is used to convey the rod material to the centerless grinding part;

[0026] A grinding fluid recovery mechanism, which is arranged in the equipment cavity and is used for filtering and recovering the grinding fluid;

[0027] Wherein, a liquid leakage plate connected to a grinding fluid recovery mechanism is arranged on the surface of the machine body.

[0028] In the above technical solution, further, the feeding part also includes:

[0029] A feeding platform, wherein a roller frame and a driving motor are arranged on the feeding platform;

[0030] A first feeding roller, wherein the first feeding roller is rotatably arranged on a roller frame and an axial direction of the first feeding roller is parallel to an axial direction of the grinding wheel;

[0031] A second feeding roller, which is rotatably arranged on a roller frame and whose axial direction is inclined downwardly extending to a feeding side of the centerless grinding part;

[0032] Wherein, the first feeding roller and the second feeding roller are connected to the driving motor through a belt transmission structure.

[0033] In the above technical solution, further, the grinding fluid recovery mechanism also includes:

[0034] A coarse filter part, which is arranged below the leakage plate;

[0035] A fine filter section, the fine filter section being arranged on one side of the coarse filter section;

[0036] Wherein, the coarse filter part is connected to the fine filter part through a connecting delivery pipe, and a delivery pump is connected in series to the connecting delivery pipe.

[0037] In the above technical solution, further, the coarse filtration unit also includes:

[0038] A liquid collecting hopper, the liquid collecting hopper is arranged below the liquid leakage plate, and a drain pipe connected to the liquid collecting hopper is arranged at the bottom of the liquid collecting hopper;

[0039] A coarse filter box, the coarse filter box is arranged below the drain pipe, a connecting pipe is arranged at the bottom of the coarse filter box, and a coarse filter screen is arranged inside the coarse filter box;

[0040] Ear plates, the ear plates are arranged on both sides of the upper end of the coarse filter box;

[0041] An arc-shaped elastic telescopic rod, wherein the arc-shaped elastic telescopic rod is arranged on the ear plate and one end of the arc-shaped elastic telescopic rod is connected to the bottom of the liquid collecting hopper;

[0042] Among them, one side of the upper end of the coarse filter box is hinged to one side of the bottom end of the drain pipe, and the other side is provided with a handle, and the connecting pipe is connected to the connecting delivery pipe.

[0043] In the above technical solution, further, the coarse filtration unit also includes:

[0044] A magnetic fixing block, wherein the magnetic fixing block is arranged on the upper surface of the coarse filter box and the lower surface of the drain pipe;

[0045] A sealing strip is arranged on the upper surface of the coarse filter box and the lower surface of the drain pipe and extends along the circumference of the coarse filter box and the drain pipe.

[0046] In the above technical solution, further, the fine filtration unit also includes:

[0047] A fine filter barrel, wherein the fine filter barrel is arranged in the equipment cavity, wherein a filter cavity and a recovery cavity are arranged in the fine filter barrel and the top of the fine filter barrel is provided with a liquid inlet pipe;

[0048] A sedimentation chamber, which is arranged in the lower half of the fine filter barrel and located outside the recovery chamber;

[0049] A slag discharge pipe, which is arranged at the bottom of the fine filter barrel and communicates with the sedimentation chamber;

[0050] A recovery pipe, which is arranged at the bottom of the fine filter barrel and communicates with the recovery chamber;

[0051] A plurality of recovery holes, which are arranged in the middle of the bottom of the filter cavity, and the recovery holes are connected to the recovery cavity;

[0052] A cover plate, the cover plate being rotatably disposed on a part of the filter chamber, and the cover plate being provided with a plurality of extension covers distributed along the circumferential direction;

[0053] A baffle plate, wherein the baffle plate is arranged on the extension cover;

[0054] A stirring member, wherein the stirring member is arranged in the filter cavity;

[0055] Among them, the liquid inlet pipe is connected to the connecting delivery pipe and communicated with the filter chamber. The edge of the bottom of the filter chamber is evenly distributed along the circumference with a number of sedimentation holes communicated with the sedimentation chamber. The extension cover can close the recovery hole. The cover plate can rotate when the flow-blocking force plate is under force and reset when the material-blocking force plate loses the influence of external force.

[0056] The beneficial effects of the present invention are:

[0057] 1. Through the setting of the chip groove, large pieces of wood chips can be cut into smaller pieces under the action of the chip groove, which is convenient for the chip groove to discharge the wood chips, so that the cutting tool can run more smoothly and quickly, and the cutting performance of the cutting tool is improved;

[0058] 2. Through the setting of grinding fluid recovery mechanism, the centerless grinder can effectively recycle the grinding fluid during the grinding process, reducing production costs;

[0059] 3. Through the setting of the coarse filter box, the coarse filter box is easy to open, which improves the convenience and efficiency of cleaning the coarse filter;

[0060] 4. The fine filter can further separate and filter the impurities in the grinding fluid, thereby improving the recovery effect of the grinding fluid. BRIEF DESCRIPTION OF THE DRAWINGS

[0061] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0062] Figure 1 It is a schematic structural diagram of a specific implementation method of the present invention.

[0063] Figure 2 It is a schematic structural diagram of the centerless grinder of the present invention.

[0064] Figure 3 It is a schematic diagram of the structure of the grinding fluid recovery mechanism of the present invention.

[0065] Figure 4 It is a schematic diagram of the structure of the coarse filter box of the present invention.

[0066] Figure 5 It is a schematic diagram of the structure of the fine filter barrel of the present invention.

[0067] Figure 6 It is a schematic diagram of the cross-sectional structure of the fine filter barrel of the present invention.

[0068] Figure 7 It is a schematic diagram of the bottom shaft structure of the cover plate of the present invention.

[0069] The symbols in the figure are:

[0070] 1. Tool handle; 2. Positioning protrusion; 3. Cutting part; 4. Cutting edge; 5. Chip groove; 6. Chip discharge groove; 7. Machine body; 70. Equipment cavity; 8. Centerless grinding part; 80. Grinding wheel; 9. Feeding part; 90. Feeding table; 91. Roller frame; 92. Driving motor; 93. First feeding roller; 94. Second feeding roller; 10. Grinding fluid recovery mechanism; 100. Coarse filter part; 1000. Liquid collecting hopper; 1001. Drain pipe; 1002. Coarse filter box; 1003. Coarse filter screen; 1004. Ear plate; 1005. Arc elastic telescopic rod; 1006. Connecting pipe; 1007. Handle ;1008, magnetic fixing block;1009, sealing strip;101, fine filtration unit;1010, fine filtration barrel;1011, filtration chamber;1012, recovery chamber;1013, liquid inlet pipe;1014, sedimentation chamber;1015, slag discharge pipe;1016, recovery pipe;1017, recovery hole;1018, cover plate;1019, extension cover;10100, baffle plate;10101, stirring element;10102, sedimentation hole;11, leakage plate;12, connecting delivery pipe;13, delivery pump;14, rotating shaft;15, guide block;16, guide groove;17, reset spring. DETAILED DESCRIPTION

[0071] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0072] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0073] Embodiment 1:

[0074] The embodiment of the present application provides a cutting knife, comprising: a handle 1, on which a positioning protrusion 2 is provided; a cutting portion 3, which is provided at the end of the handle 1;

[0075] It also includes: a plurality of cutting edges 4, which are arranged on the cutting portion 3 and are evenly spaced along the circumference of the cutting portion 3; a chip groove 5, which is arranged on the cutting edge of the cutting edge 4, and the chip groove 5 penetrates the cutting edge 4 along the thickness direction of the cutting edge 4;

[0076] There are at least two chip grooves 5 on the cutting edge 4 , and a chip removal groove 6 is formed between adjacent cutting edges 4 .

[0077] The cutting edge 4 can be a straight edge or a bevel edge

[0078] In this embodiment, by setting the chip groove 5, during the woodworking process of the cutting tool, large pieces of wood chips can be cut into smaller wood chips under the action of the chip groove 5, which is convenient for the chip groove 6 to discharge the wood chips, thereby making the cutting tool smoother and lighter during operation, thereby improving the cutting performance of the cutting tool.

[0079] Embodiment 2:

[0080] This embodiment provides a production process for a cutting blade, which, in addition to the technical solutions of the above embodiments, also has the following technical features, including the following steps:

[0081] S1 pretreatment, the original bar is cut according to the length requirements, and then the cut bar is rough ground and fine ground by a centerless grinder. The centerless grinder recycles the grinding fluid during the grinding process. After grinding, one end of the bar is chamfered by a common grinder;

[0082] S2 tool holder 1 processing, rough turning, punching and reaming the pre-treated bar in S1 to form a tool holder 1;

[0083] S3 alloy rod welding, connect the handle 1 in S2 to the alloy rod by high-frequency induction welding, and pickle the welded parts;

[0084] S4 welding seam processing, arc turning processing is performed on the welding joints of the welded parts in S3;

[0085] S5 surface treatment, sandblasting and painting of the welded parts in S4;

[0086] S6 sharpening, sharpening the welded part which has been surface treated in S5 by a CNC machine tool, and machining a chip groove 5 and a chip removal groove 6;

[0087] S7 quality inspection is to perform sampling inspection on the cutting knives after sharpening.

[0088] In this embodiment, when the rod is ground by the centerless grinder, the centerless grinder can effectively recycle the grinding fluid during the grinding process, thereby reducing the production cost. The cutting tool is produced and processed by the above process, which ensures the performance of the cutting tool and reduces the production cost as much as possible, thereby improving the cost performance of the cutting tool.

[0089] Embodiment 3:

[0090] This embodiment provides a production process for a cutting tool. In addition to the technical solutions of the above embodiments, the centerless grinder also has the following technical features: the centerless grinder also includes: a machine body 7, in which a device cavity 70 is provided, and a cavity door is provided on the side of the machine body 7; a centerless grinding part 8, which is provided on the machine body 7 and includes a pair of grinding wheels 80; a feeding part 9, which is provided on the feeding side of the centerless grinding part 8 and is used to convey rods to the centerless grinding part 8; a grinding fluid recovery mechanism 10, which is provided in the device cavity 70 and is used to filter and recover the grinding fluid;

[0091] A liquid leakage plate 11 connected to the grinding fluid recovery mechanism 10 is disposed on the surface of the machine body 7 .

[0092] The feeding part 9 further includes: a feeding platform 90, on which a roller frame 91 and a driving motor 92 are arranged; a first feeding roller 93, which is rotatably arranged on the roller frame 91 and whose axial direction is parallel to the axial direction of the grinding wheel 80; a second feeding roller 94, which is rotatably arranged on the roller frame 91 and whose axial direction is inclined downward and extends to the feeding side of the centerless grinding part 8;

[0093] The first feeding roller 93 and the second feeding roller 94 are connected to the driving motor 92 via a belt transmission structure.

[0094] In this embodiment, when the centerless grinder is grinding the rod, the first feed roller 93 and the second feed roller 94 of the feed section 9 work together. Since the second feed roller 94 extends downward at an angle to the feed side of the centerless grinding section 8, the rod can be automatically transported to the centerless grinding section 8 for grinding under the action of the feed section 9, thereby eliminating the need for workers to manually feed the rod, thereby improving production safety during the grinding operation. At the same time, the grinding fluid recovery mechanism 10 can effectively recycle the grinding fluid, thereby reducing production costs.

[0095] Embodiment 4:

[0096] This embodiment provides a production process for a cutting tool. In addition to the technical solutions of the above embodiments, the grinding fluid recovery mechanism 10 also has the following technical features: a coarse filter 100, which is arranged below the leakage plate 11; a fine filter 101, which is arranged on one side of the coarse filter 100;

[0097] The coarse filter part 100 is connected to the fine filter part 101 via a connecting delivery pipe 12 , and a delivery pump 13 is connected in series to the connecting delivery pipe 12 .

[0098] In this embodiment, during operation, the centerless grinder can effectively separate and filter impurities contained in the grinding fluid through the combined action of the coarse filter part 100 and the fine filter part 101, thereby facilitating the recycling of the grinding fluid and reducing production costs.

[0099] Embodiment 5:

[0100] The present embodiment provides a production process of a cutting blade, which, in addition to the technical solutions of the above embodiments, also has the following technical features: the coarse filter part 100 also includes: a liquid collecting hopper 1000, the liquid collecting hopper 1000 is arranged below the liquid leakage plate 11, and the bottom of the liquid collecting hopper 1000 is provided with a drainage pipe 1001 connected to the liquid collecting hopper 1000; a coarse filter box 1002, the coarse filter box 1002 is arranged below the drainage pipe 1001, the bottom of the coarse filter box 1002 is provided with a connecting pipe 1006, and a coarse filter screen 1003 is provided in the coarse filter box 1002; an ear plate 1004, the ear plate 1004 is arranged on both sides of the upper end of the coarse filter box 1002; an arc-shaped elastic telescopic rod 1005, the arc-shaped elastic telescopic rod 1005 is arranged on the ear plate 1004 and one end of the arc-shaped elastic telescopic rod 1005 is connected to the bottom of the liquid collecting hopper 1000;

[0101] Among them, one side of the upper end of the coarse filter box 1002 is hinged to one side of the bottom end of the drain pipe 1001, and a handle 1007 is provided on the other side. The connecting pipe 1006 is connected to the connecting delivery pipe 12.

[0102] The coarse filter section 100 also includes: a magnetic fixing block 1008, which is arranged on the upper surface of the coarse filter box 1002 and the lower surface of the drain pipe 1001; a sealing strip 1009, which is arranged on the upper surface of the coarse filter box 1002 and the lower surface of the drain pipe 1001 and extends circumferentially along the coarse filter box 1002 and the drain pipe 1001.

[0103] In this embodiment, after use, the grinding fluid falls downward into the liquid collecting hopper 1000 through the liquid leakage plate 11, and the grinding fluid is collected in the liquid collecting hopper 1000 and enters the coarse filter box 1002 through the drain pipe 1001. The coarse filter 1003 in the coarse filter box 1002 can perform preliminary filtration on impurities in the grinding fluid. The filtered grinding fluid is transported to the fine filter part 101 through the connecting delivery pipe 12 for further filtration. When it is necessary to clean the coarse filter 1003, the coarse filter box 1002 is bent downward by the handle 1007, and the coarse filter box 1002 is axially connected to the hinge. The wire rotates to open the inside, and the arc-shaped elastic telescopic rod 1005 unfolds at this time, and the staff then cleans and maintains the coarse filter screen 1003. After the cleaning and maintenance are completed, the handle 1007 is released, and the arc-shaped elastic telescopic rod 1005 contracts to drive the coarse filter box 1002 to reset and cooperate with the drain pipe 1001, which effectively improves the cleaning convenience and efficiency of the coarse filter screen 1003. At the same time, through the arrangement of the magnetic fixing block 1008 and the sealing strip 1009, the matching stability and sealing between the coarse filter box 1002 and the drain pipe 1001 can be improved.

[0104] Embodiment 6:

[0105] The present embodiment provides a production process for a cutting blade. In addition to the technical solutions of the above-mentioned embodiments, the present embodiment also has the following technical features. The fine filter unit 101 also includes: a fine filter barrel 1010, which is arranged in the equipment chamber 70. The fine filter barrel 1010 is provided with a filter chamber 1011 and a recovery chamber 1012 distributed up and down, and a liquid inlet pipe 1013 is provided on the top of the fine filter barrel 1010; a sedimentation chamber 1014, which is arranged in the lower half of the fine filter barrel 1010 and located on the outside of the recovery chamber 1012; a slag discharge pipe 1015, which is arranged at the bottom of the fine filter barrel 1010 and connected to the sedimentation chamber 101 4 is connected; a recovery pipe 1016, which is arranged at the bottom of the fine filter barrel 1010 and is connected to the recovery chamber 1012; a plurality of recovery holes 1017, which are arranged in the middle of the bottom of the filter chamber 1011, and the recovery holes 1017 are connected to the recovery chamber 1012; a cover plate 1018, which is rotatably arranged on a part of the filter chamber 1011, and a plurality of extension covers 1019 are distributed on the cover plate 1018 along the circumferential direction; a flow-blocking force plate 10100, which is arranged on the extension cover 1019; a stirring member 10101, which is arranged in the filter chamber 1011;

[0106] Among them, the liquid inlet pipe 1013 is connected to the connecting delivery pipe 12 and communicated with the filter chamber 1011. The edge of the bottom of the filter chamber 1011 is evenly distributed along the circumference with a number of sedimentation holes 10102 connected with the sedimentation chamber 1014. The extension cover 1019 can close the recovery hole 1017. The cover plate 1018 can rotate when the flow-blocking force plate 10100 is under force and reset when the material-blocking force plate loses the influence of external force.

[0107] Moreover, the bottom of the cover plate 1018 is provided with a rotating shaft 14, and guide blocks 15 are symmetrically distributed on the rotating shaft 14. The bottom of the filter chamber 1011 is provided with a hole that cooperates with the rotating shaft 14, and the inner wall of the hole is provided with an arc-shaped guide groove 16 that cooperates with the guide block 15. A reset spring 17 is installed in the arc-shaped guide groove 16, and the two ends of the reset spring 17 are respectively connected to the guide block 15 and the arc-shaped guide groove 16. The guide block 15 can move along the arc-shaped guide groove 16 and compress the reset spring 17 as the cover plate 1018 rotates. A sealing strip 1009 can be installed on the bottom surface of the extension cover 1019 to cooperate with the closed recovery hole 1017. The stirring member 10101 is a conventional stirring structure, including a stirring motor, a stirring shaft and a stirring rod installed on the stirring shaft.

[0108] In this embodiment, the coarsely filtered grinding fluid is transported to the liquid inlet pipe 1013 through the connecting delivery pipe 12, and enters the filter chamber 1011 of the fine filter barrel 1010 through the liquid inlet pipe 1013. The stirring member 10101 operates to stir the grinding fluid in the filter chamber 1011. After being stirred, the grinding fluid rotates and impacts the baffle plate 10100. At the same time, impurities in the grinding fluid move toward the edge of the filter chamber 1011 under the influence of centrifugal force during the rotation process, and finally settle downward into the sedimentation chamber 1014 through the sedimentation hole 10102. After being impacted, the baffle plate drives the cover plate 1018 to rotate. As the cover plate 1018 rotates, the extended cover 1019 moves and opens the recovery hole 1017, and the grinding fluid in the middle of the filter chamber 1011 moves to the recovery chamber 1012 through the recovery hole 1017, and is finally discharged through the recovery pipe 1016 for recycling. The slag discharge pipe 1015 is opened to clean the impurities precipitated in the precipitation chamber 1014. After the grinding operation is completed, the flow-blocking force plate 10100 loses the external force, and the cover plate 1018 is reset under the action of the reset spring 17, and the extension cover 1019 closes the recovery hole 1017. Compared with the prior art, the present invention can further separate and filter the impurities in the grinding fluid, thereby improving the recycling effect of the grinding fluid and reducing the production cost.

[0109] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A cutting knife comprising: A knife handle (1), wherein the knife handle (1) is provided with a positioning protrusion (2); A cutting portion (3), the cutting portion (3) being arranged at an end portion of the shank (1); It is characterized by further comprising: A plurality of cutting edges (4), wherein the plurality of cutting edges (4) are arranged on the cutting portion (3) and are evenly spaced along the circumference of the cutting portion (3); a chip groove (5), the chip groove (5) being arranged on the cutting edge of the cutting edge (4), the chip groove (5) penetrating the cutting edge (4) along the thickness direction of the cutting edge (4); The cutting edge (4) is provided with at least two chip grooves (5), and a chip removal groove (6) is formed between adjacent cutting edges (4).

2. A cutting blade according to claim 1, characterized in that: The cutting edge (4) can be a straight edge or a bevel edge.

3. A production process for the cutting blade according to claim 2, characterized in that: The following steps are involved: S1 pretreatment: the original bar is cut according to the required length, and then the cut bar is rough-ground and fine-ground on a centerless grinder. The grinding fluid is recycled during the grinding process. After grinding, one end of the bar is chamfered on a conventional grinder. S2 tool holder (1) processing, rough turning, punching and reaming the pre-treated bar material in S1 to form the tool holder (1); S3 alloy rod welding, the handle (1) in S2 is connected to the alloy rod by high-frequency induction welding, and the welded parts are pickled; S4 welding seam processing, arc turning processing is performed on the welding joints of the welded parts in S3; S5 surface treatment, sandblasting and painting the welded parts in S4; S6 sharpening, the welded part that has been surface treated in S5 is sharpened by a CNC machine tool to form a chip groove (5) and a chip removal groove (6); S7 quality inspection is to perform sampling inspection on the cutting knives after they have been sharpened.

4. A production process for a cutting blade according to claim 3, characterized in that: The centerless grinding machine also includes: A machine body (7), wherein an equipment cavity (70) is provided in the machine body (7), and a cavity door is provided on a side of the machine body (7); A centerless grinding part (8), the centerless grinding part (8) is arranged on the machine body (7), and the centerless grinding part (8) includes a pair of grinding wheels (80); A feeding portion (9), the feeding portion (9) being arranged on the feeding side of the centerless grinding portion (8) and used for conveying rods to the centerless grinding portion (8); A grinding fluid recovery mechanism (10), the grinding fluid recovery mechanism (10) being arranged in the equipment cavity (70) and used for filtering and recovering the grinding fluid; Wherein, a liquid leakage plate (11) connected to a grinding liquid recovery mechanism (10) is provided on the surface of the machine body (7).

5. The production process of a cutting blade according to claim 4, characterized in that: The feeding portion (9) further comprises: A feeding platform (90), wherein a roller frame (91) and a driving motor (92) are provided on the feeding platform (90); a first feeding roller (93), the first feeding roller (93) being rotatably disposed on the roller frame (91) and the axial direction of the first feeding roller (93) being parallel to the axial direction of the grinding wheel (80); a second feeding roller (94), the second feeding roller (94) being rotatably arranged on the roller frame (91) and the axial direction of the second feeding roller (94) being inclined downwardly extending to the feeding side of the centerless grinding part (8); The first feeding roller (93) and the second feeding roller (94) are connected to the driving motor (92) via a belt transmission structure.

6. The production process of a cutting blade according to claim 3, characterized in that: The grinding fluid recovery mechanism (10) further comprises: A coarse filter portion (100), the coarse filter portion (100) being arranged below the liquid leakage plate (11); A fine filtration part (101), wherein the fine filtration part (101) is arranged on one side of the coarse filtration part (100); The coarse filter section (100) is connected to the fine filter section (101) via a connecting delivery pipe (12), and a delivery pump (13) is connected in series to the connecting delivery pipe (12).

7. A production process for a cutting blade according to claim 6, characterized in that: The coarse filter unit (100) further includes: A liquid collecting hopper (1000), the liquid collecting hopper (1000) being arranged below the liquid leakage plate (11), and a liquid drain pipe (1001) communicating with the liquid collecting hopper (1000) being arranged at the bottom end of the liquid collecting hopper (1000); A coarse filter box (1002), the coarse filter box (1002) is arranged below the drain pipe (1001), a connecting pipe (1006) is provided at the bottom of the coarse filter box (1002), and a coarse filter screen (1003) is provided inside the coarse filter box (1002); Ear plates (1004), the ear plates (1004) being arranged on both sides of the upper end of the coarse filter box (1002); An arc-shaped elastic telescopic rod (1005), wherein the arc-shaped elastic telescopic rod (1005) is arranged on the ear plate (1004) and one end of the arc-shaped elastic telescopic rod (1005) is connected to the bottom of the liquid collecting hopper (1000); One side of the upper end of the coarse filter box (1002) is hinged to one side of the lower end of the drain pipe (1001), and a handle (1007) is provided on the other side. The connecting pipe (1006) is connected to the connecting delivery pipe (12).

8. The production process of a cutting blade according to claim 7, characterized in that: The coarse filter unit (100) further includes: A magnetic fixing block (1008), wherein the magnetic fixing block (1008) is arranged on the upper surface of the coarse filter box (1002) and the lower surface of the drain pipe (1001); A sealing strip (1009) is provided on the upper surface of the coarse filter box (1002) and the lower surface of the drain pipe (1001) and extends along the circumference of the coarse filter box (1002) and the drain pipe (1001).

9. The production process of a cutting blade according to claim 8, characterized in that: The fine filtering unit (101) further includes: A fine filter barrel (1010), the fine filter barrel (1010) is arranged in the equipment chamber (70), a filter chamber (1011) and a recovery chamber (1012) are arranged in the fine filter barrel (1010), and a liquid inlet pipe (1013) is arranged at the top of the fine filter barrel (1010); A sedimentation chamber (1014), wherein the sedimentation chamber (1014) is arranged in the lower half of the fine filter barrel (1010) and is located outside the recovery chamber (1012); A slag discharge pipe (1015), the slag discharge pipe (1015) is arranged at the bottom of the fine filter barrel (1010) and is connected to the sedimentation chamber (1014); A recovery pipe (1016), the recovery pipe (1016) is arranged at the bottom of the fine filter barrel (1010) and is in communication with the recovery chamber (1012); A plurality of recovery holes (1017), wherein the plurality of recovery holes (1017) are arranged in the middle of the bottom of the filter cavity (1011), and the recovery holes (1017) are communicated with the recovery cavity (1012); a cover plate (1018), the cover plate (1018) being rotatably disposed on a portion of the filter chamber (1011), and having a plurality of extension covers (1019) distributed circumferentially on the cover plate (1018); A flow-blocking force-bearing plate (10100), wherein the flow-blocking force-bearing plate (10100) is arranged on the extension cover (1019); A stirring member (10101), wherein the stirring member (10101) is arranged in the filter cavity (1011); The liquid inlet pipe (1013) is connected to the connecting delivery pipe (12) and communicated with the filter chamber (1011); a plurality of sedimentation holes (10102) connected with the sedimentation chamber (1014) are evenly distributed along the circumference of the edge of the bottom of the filter chamber (1011); the extension cover (1019) can close the recovery hole (1017); the cover plate (1018) can rotate when the flow-blocking force plate (10100) is subjected to force and can be reset when the material-blocking force plate loses the influence of external force.

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