阅读说明：本技术 五轴数控木工硬质合金刀具磨床 (Five-axis numerical control woodworking hard alloy cutter grinding machine ) 是由 徐建新 王志 于 2019-09-12 设计创作，主要内容包括：五轴数控木工硬质合金刀具磨床,本发明由三个直线轴X\Y\Z轴运动部件,两个旋转轴A\C轴运动部件组成,通过运用到了电极圆角半径补偿技术、主后角补偿补偿技术、副后角补偿技术,解决因刀片焊刀制造误差与刀片焊接变形引起的刀具刃口精度问题,以及能够解决保持主后角在不同的半径上角度一致性问题、副后角角度一致性问题,具有自动化加工程度高,人工辅助时间少的优势,其实现五轴联动,自动化水平高,并通过采用数控系统配合伺服电机、精密丝杆等高精度的机械结构,实现有效提高加工精度以及达到较广的使用范围,满足所需要求,实现对较为复杂的刀具材料的加工,达到较高的加工效率。(The invention discloses a five-axis numerical control woodworking hard alloy cutter grinding machine, which consists of three linear axis X \ Y \ Z axis motion parts and two rotating axis A \ C axis motion parts, solves the problem of cutter edge precision caused by cutter blade welding cutter manufacturing errors and cutter blade welding deformation by applying an electrode fillet radius compensation technology, a main relief angle compensation technology and an auxiliary relief angle compensation technology, can solve the problems of keeping the consistency of main relief angles and auxiliary relief angles at different radiuses, has the advantages of high automation degree and less manual auxiliary time, realizes five-axis linkage and high automation level, effectively improves the machining precision and reaches a wider application range by adopting a numerical control system to be matched with high-precision mechanical structures such as a servo motor, a precise screw rod and the like, meets the required requirements, and realizes the machining of more complex cutter materials, and higher processing efficiency is achieved.)

1. Five numerical control carpenter carbide tool grinding machines, including base (1) and set up in X axle device (2) and Y axle device (3) of its top, its characterized in that: a Z-axis device (5) is connected to one side above the Y-axis device (3), a grinding wheel electric spindle (8) is connected to the lower portion of the Z-axis device (5) through an A-axis device (6), the A-axis device (6) enables the A-axis device (6) to displace along the axial directions of the Y-axis device (3) and the Z-axis device (5) along with the axial movement of the Y-axis device (3) and the Z-axis device (5), the grinding wheel electric spindle (8) is enabled to displace along the direction through the axial movement of the A-axis device (6), a C-axis device (4) is connected to the upper portion of the X-axis device (2) through a workbench (7), and the C-axis device (4) is enabled to displace along the direction through the axial movement of the X-axis device (2) of the workbench (7);

the top of base (1) is connected with crossbeam (9) in workstation (7) both sides, and there is slide (10) one side of this crossbeam (9) top of corresponding C axle device (4) along Y axle axial direction of motion swing joint, the opposite side of slide (10) is connected with fixing base (11), and a side of this fixing base (11) is connected with lift seat (12), lift seat (12) are connected with bayonet socket (36) a plurality of groups to be connected with A axle device (6) through this bayonet socket (36).

2. The five-axis numerical control woodworking hard alloy cutter grinding machine as claimed in claim 1, wherein: an X-axis screw rod (13) is embedded above the center of the base (1), two ends of the X-axis screw rod (13) are respectively fixedly connected with the base (1), a workbench (7) is fixedly connected above the movable block, one end of the X-axis screw rod (13) is fixedly connected with an X-axis motor (14), an X-axis motor seat (15) is fixedly sleeved on the outer side of the X-axis motor (14) and is fixedly connected with the base (1) through the X-axis motor seat (15), x-axis guide rails (16) are respectively and symmetrically arranged on two sides of the X-axis screw rod (13), the X-axis guide rail (16) is fixedly connected with the base (1), and the upper part of the X-axis guide rail is respectively connected with the two ends of the bottom of the worktable (7) to form an X-axis device (2), the X-axis device (2) drives an X-axis screw rod (13) to rotate through an X-axis motor (14) so as to drive a workbench (7) positioned on the upper part of the X-axis device to displace along the X-axis direction.

3. The five-axis numerical control woodworking hard alloy cutter grinding machine as claimed in claim 1, wherein: a Y-axis screw rod (17) is embedded in the center of one side of the cross beam (9), two ends of the Y-axis screw rod (17) are respectively and fixedly connected with the cross beam (9), one side of the movable block is fixedly connected with a sliding plate (10), one end of the Y-axis screw rod (17) is fixedly connected with a Y-axis motor (19), a Y-axis motor seat (20) is fixedly sleeved on the outer side of the Y-axis motor (19) and is fixedly connected with the cross beam (9) through the Y-axis motor seat (20), y-axis guide rails (21) are respectively and symmetrically arranged on two sides of the Y-axis screw rod (17), the Y-axis guide rail (21) is fixedly connected with the cross beam (9), and the outer side of the Y-axis guide rail is respectively connected with one side of the sliding plate (10) to form a Y-axis device (3), the Y-axis device (3) drives a Y-axis screw rod (17) to rotate through a Y-axis motor (19) of the Y-axis device so as to drive a sliding plate (10) on one side of the Y-axis device to displace along the Y-axis direction.

4. The five-axis numerical control woodworking hard alloy cutter grinding machine as claimed in claim 1, wherein: a Z-axis screw rod (22) is embedded in the center of one side of the fixed seat (11), two ends of the Z-axis screw rod (22) are respectively and fixedly connected with the fixed seat (11), one side of the movable block is fixedly connected with a lifting seat (12), the top end of the Z-axis screw rod (22) is fixedly connected with a Z-axis motor (23), a Z-axis motor seat (24) is fixedly sleeved on the outer side of the Z-axis motor (23) and is fixedly connected with the fixed seat (11) through the Z-axis motor seat (24), z-axis guide rails (25) are respectively and symmetrically arranged on two sides of the Z-axis screw rod (22), the Z-axis guide rail (25) is fixedly connected with the fixed seat (11), and the outer side of the Z-axis guide rail is respectively connected with one side of the lifting seat (12) to form a Z-axis device (5), the Z-axis device (5) drives a Z-axis screw rod (22) to rotate through a Z-axis motor (23) so as to drive a lifting seat (12) positioned on one side of the Z-axis device to displace along the Z-axis direction.

5. The five-axis numerical control woodworking hard alloy cutter grinding machine as claimed in claim 1, wherein: c axle device (4) is including C axle seat (26), and first speed reducer (27) are worn to be equipped with in this C axle seat (26), the one end of first speed reducer (27) is connected with servo motor (34), and the motor shaft of this servo motor (34) is worn to locate first speed reducer (27) and is connected with first speed reducer (27) are inside, C axle seat (26) are equipped with motor guard shield (37) in the fixed cover in the periphery of servo motor (34), inlay in the other end inboard of first speed reducer (27) and are equipped with oil blanket (38), and this first speed reducer (27) are connected with ring flange (39), the other end of ring flange (39) has connected gradually handle of a knife (40), stop nut (41) and lock nut (42), flange (39) are worn to locate handle of a knife (41) to be connected through lock nut (42) and ring flange (39) and make lock nut (40) and stop nut (41) lid locate lock nut (40) (hard 42) And a cutter (44) penetrates through the cutter handle (40) between the cutter handle and the flange plate (39), and the cutter (44) is detachably connected with the cutter handle (40) through a locking nut (42).

6. The five-axis numerical control woodworking hard alloy cutter grinding machine as claimed in claim 5, wherein: and a motor shaft of the servo motor (34) is in interference connection with the inside of the first speed reducer (27).

7. The five-axis numerical control woodworking hard alloy cutter grinding machine as claimed in claim 1, wherein: the A-shaft device (6) comprises a speed reducer case (31), wherein fixing blocks (33) are symmetrically connected to two sides of the periphery of the speed reducer case (31), a second speed reducer (29) is arranged in the center in a penetrating mode, the speed reducer case (31) is connected with a lifting seat (12) through the fixing blocks (33), a spindle swing arm (28) is fixedly connected to the lower portion of the second speed reducer (29), a motor (32) is connected to the upper portion of the spindle swing arm, a motor shaft of the motor (32) penetrates through the second speed reducer (29) and is connected with the inner portion of the second speed reducer (29), and a grinding wheel electric spindle (8) is connected to the lower portion of the spindle swing arm (.

8. The five-axis numerical control woodworking hard alloy tool grinding machine as claimed in claim 7, wherein: emery wheel electricity main shaft (8) are including headstock (30), and this headstock (30) fixed connection is in the below of main shaft swing arm (28), and it wears to be equipped with electricity main shaft (35), pneumatic handle of a knife (43) is worn to be equipped with by the one end of electricity main shaft (35), and the other end of this pneumatic handle of a knife (43) can be dismantled and be connected with emery wheel (18).

9. The five-axis numerical control woodworking hard alloy tool grinding machine as claimed in claim 7, wherein: and a motor shaft of the motor (32) is in interference connection with the interior of the second speed reducer (29).

10. The five-axis numerical control woodworking hard alloy tool grinding machine as claimed in claim 7, wherein: one end of the electric spindle (35) is connected with the pneumatic tool handle (43) through the pneumatic lock tool.

Technical Field

The invention relates to a numerical control machining machine tool for a woodworking hard alloy cutter, in particular to a five-axis numerical control woodworking hard alloy cutter grinding machine.

Background

The woodworking hard alloy cutter is a cutter product with a cutting edge formed by welding a plurality of hard alloy blades on a steel cutter body through grinding by a grinding wheel, wherein the front cutter face of the woodworking hard alloy cutter is an inclined plane, and the front angle and the inclination angle of the front cutter face of each blade are different and are not consistent with a design drawing because of the problems of welding deformation and displacement and cutter body welding position manufacturing errors.

Disclosure of Invention

The invention improves the prior art aiming at the defects, provides a five-axis numerical control woodworking hard alloy cutter grinding machine, and adopts the following technical scheme:

the five-axis numerical control woodworking hard alloy cutter grinding machine comprises a base, an X-axis device and a Y-axis device, wherein the X-axis device and the Y-axis device are arranged above the base, one side above the Y-axis device is connected with the Z-axis device, the lower part of the Z-axis device is connected with a grinding wheel electric spindle through the A-axis device, the A-axis device respectively enables the A-axis device to displace along the axial directions of the Y-axis device and the Z-axis device along with the axial movement of the Y-axis device and the Z-axis device, the A-axis device enables the grinding wheel electric spindle to displace along the direction through the axial movement, the upper part of the X-axis device is connected with a C-axis device through a workbench, and the C-axis device enables the C;

the top of base is connected with the crossbeam in workstation both sides, and the top that one side of this crossbeam corresponds C axle device has the slide along Y axle axial direction of motion swing joint, the opposite side of slide is connected with the fixing base, and a side of this fixing base is connected with the seat that goes up and down, the seat that goes up and down is connected with a plurality of groups of bayonet socket to there is A axle device through this bayonet socket connection.

Further, an X-axis lead screw is embedded above the center of the base, two ends of the X-axis lead screw are fixedly connected with the base respectively, and a workbench is fixedly connected above a movable block of the X-axis lead screw, an X-axis motor is fixedly connected with one end of the X-axis lead screw, an X-axis motor base is fixedly sleeved outside the X-axis motor and fixedly connected with the base through the X-axis motor base, X-axis guide rails are symmetrically arranged on two sides of the X-axis lead screw respectively and fixedly connected with the base, and two ends of the bottom of the workbench are connected above the X-axis guide rails respectively to form an X-axis device, and the X-axis device drives the X-axis lead screw to rotate through the X-axis motor so as to drive the workbench located on the X-axis lead screw to move along the X.

Furthermore, a Y-axis lead screw is embedded in the center of one side of the cross beam, two ends of the Y-axis lead screw are fixedly connected with the cross beam respectively, one side of a movable block of the Y-axis lead screw is fixedly connected with a sliding plate, one end of the Y-axis lead screw is fixedly connected with a Y-axis motor, a Y-axis motor base is fixedly sleeved on the outer side of the Y-axis motor and is fixedly connected with the cross beam through the Y-axis motor base, Y-axis guide rails are symmetrically arranged on two sides of the Y-axis lead screw respectively and are fixedly connected with the cross beam, and the outer side of the Y-axis guide rails is connected with one side of the sliding plate respectively to form a Y-axis device, so that the Y-axis device drives the Y-axis lead screw to rotate.

Furthermore, a Z-axis lead screw is embedded in the center of one side of the fixing seat, two ends of the Z-axis lead screw are fixedly connected with the fixing seat respectively, and one side of the movable block of the Z-axis lead screw is fixedly connected with a Z-axis motor.

Further, the C axle device is including the C axle seat, and first speed reducer is worn to be equipped with by this C axle seat, the one end of first speed reducer is connected with servo motor, and first speed reducer is worn to locate by this servo motor's motor shaft and is connected with first speed reducer is inside, the C axle seat is equipped with the motor guard shield in servo motor's the fixed cover in the periphery, inlays in the other end inboard of first speed reducer and has the oil blanket, and this first speed reducer is connected with the ring flange, the other end of ring flange has connected gradually handle of a knife, stop nut and lock nut, the ring flange is worn to locate by the one end of handle of a knife, and stop nut is connected to the other end to be connected through lock nut and ring flange and make handle of a knife and stop nut lid locate between lock nut and the ring flange, the cutter.

Further, a motor shaft of the servo motor is in interference connection with the inside of the first speed reducer.

Further, the shaft A device comprises a speed reducer case, wherein fixed blocks are symmetrically connected to two sides of the periphery of the speed reducer case, a second speed reducer is arranged in the center of the speed reducer case in a penetrating mode, the speed reducer case is connected with a lifting seat through the fixed blocks, a spindle swing arm is fixedly connected to the lower portion of the second speed reducer, a motor is connected to the upper portion of the second speed reducer case, a motor shaft of the motor penetrates through the second speed reducer and is connected with the inner portion of the second speed reducer, and a grinding wheel electric spindle is connected to the lower portion of.

Further, emery wheel electricity main shaft is including the headstock, and this headstock fixed connection is in the below of main shaft swing arm, and it wears to be equipped with electricity main shaft, the handle of a knife is worn to be equipped with by the one end of electricity main shaft, and the other end of this handle of a knife can be dismantled and be connected with the emery wheel.

Further, a motor shaft of the motor is in interference connection with the inside of the second speed reducer.

Furthermore, one end of the electric spindle is connected with the tool handle through a pneumatic lock knife.

Compared with the prior art, the invention has the beneficial effects that: the invention solves the problem of cutter edge precision caused by cutter welding cutter manufacturing error and cutter welding deformation, can solve the problems of keeping the angle consistency of the main relief angle and the auxiliary relief angle at different radiuses, has the advantages of high automatic processing degree and less manual auxiliary time, realizes five-axis linkage, has high automation level, realizes effectively improving the processing precision and reaching wider application range by adopting a numerical control system to be matched with high-precision mechanical structures such as a servo motor, a precise screw rod and the like, meets the required requirements, realizes the processing of more complex cutter materials and achieves higher processing efficiency.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced as follows:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a block diagram of the X-axis device of the present invention;

FIG. 3 is a block diagram of the Y-axis device of the present invention;

FIG. 4 is a block diagram of the Z-axis device of the present invention;

FIG. 5 is a disassembled view of the C-shaft apparatus of the present invention;

FIG. 6 is a disassembled structure view of the A-axis device of the present invention

The method comprises the following steps: the grinding machine comprises a base 1, an X-axis device 2, a Y-axis device 3, a C-axis device 4, a Z-axis device 5, an A-axis device 6, a workbench 7, a grinding wheel electric spindle 8, a cross beam 9, a sliding plate 10, a fixed seat 11, a lifting seat 12, an X-axis lead screw 13, an X-axis motor 14, an X-axis motor seat 15, an X-axis guide rail 16, a Y-axis lead screw 17, a grinding wheel 18, a Y-axis motor 19, a Y-axis motor seat 20, a Y-axis guide rail 21, a Z-axis lead screw 22, a Z-axis motor 23, a Z-axis motor seat 24, a Z-axis guide rail 25, a C-axis seat 26, a first speed reducer 27, a spindle swing arm 28, a second speed reducer 29, a spindle box 30, a speed reducer box 31, a motor 32, a fixed block 33, a servo motor 34, an electric spindle 35, a bayonet 36, a motor protective cover 37, an oil seal.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

Embodiments of the invention will be described in further detail below with reference to the following drawings, in which:

the five-axis numerical control woodworking hard alloy cutter grinding machine shown in fig. 1 comprises a base 1, and an X-axis device 2 and a Y-axis device 3 which are arranged above the base 1, wherein one side above the Y-axis device 3 is connected with a Z-axis device 5, the lower part of the Z-axis device 5 is connected with a grinding wheel electric spindle 8 through an a-axis device 6, the a-axis device 6 respectively enables the a-axis device 6 to displace along the axial direction of the Y-axis device 3 and the Z-axis device 5 along with the axial movement of the Y-axis device 3 and the Z-axis device 5, the a-axis device 6 enables the grinding wheel electric spindle 8 to displace along the direction through the axial movement, the upper part of the X-axis device 2 is connected with a C-axis device 4 through a workbench 7, and the workbench 7 enables the C-axis device 4 to displace along the direction along;

the top of base 1 is connected with crossbeam 9 in workstation 7 both sides, and the top that one side of this crossbeam 9 corresponds C axle device 4 has slide 10 along Y axle axial direction of motion swing joint, and the opposite side of slide 10 is connected with fixing base 11, and a side of this fixing base 11 is connected with lift seat 12, and lift seat 12 is connected with a plurality of groups of bayonet 36 to be connected with A axle device 6 through this bayonet 36.

As shown in fig. 2, an X-axis lead screw 13 is embedded above the center of the base 1, two ends of the X-axis lead screw 13 are respectively and fixedly connected to the base 1, a worktable 7 is fixedly connected above a movable block of the X-axis lead screw 13, an X-axis motor 14 is fixedly connected to one end of the X-axis lead screw 13, an X-axis motor base 15 is fixedly sleeved outside the X-axis motor 14, the base 1 is fixedly connected to the X-axis motor base 15, X-axis guide rails 16 are respectively and symmetrically arranged on two sides of the X-axis lead screw 13, the X-axis guide rails 16 are fixedly connected to the base 1, and two ends of the bottom of the worktable 7 are respectively connected above the X-axis guide rails 16 to form an X-axis device 2, and the X-axis device 2 drives the X-axis lead screw 13 to rotate through the X-axis motor 14, so.

As shown in fig. 3, a Y-axis screw 17 is embedded in the center of one side of the cross beam 9, two ends of the Y-axis screw 17 are respectively and fixedly connected with the cross beam 9, one side of a movable block of the Y-axis screw 17 is fixedly connected with the sliding plate 10, one end of the Y-axis screw 17 is fixedly connected with a Y-axis motor 19, an outer side of the Y-axis motor 19 is fixedly sleeved with a Y-axis motor base 20, and is fixedly connected with the cross beam 9 through the Y-axis motor base 20, two sides of the Y-axis screw 17 are respectively and symmetrically provided with a Y-axis guide rail 21, the Y-axis guide rail 21 is fixedly connected with the cross beam 9, and an outer side thereof is respectively connected with one side of the sliding plate 10, so that the Y-axis device 3 is formed, and the Y-axis motor 19 of the Y-axis screw 17 is.

As shown in fig. 4, a Z-axis screw 22 is embedded in the center of one side of the fixing seat 11, two ends of the Z-axis screw 22 are respectively and fixedly connected to the fixing seat 11, one side of a movable block of the Z-axis screw is fixedly connected to the lifting seat 12, a Z-axis motor 23 is fixedly connected to the top end of the Z-axis screw 22, a Z-axis motor seat 24 is fixedly sleeved outside the Z-axis motor 23 and is fixedly connected to the fixing seat 11 through the Z-axis motor seat 24, Z-axis guide rails 25 are respectively and symmetrically arranged on two sides of the Z-axis screw 22, the Z-axis guide rails 25 are fixedly connected to the fixing seat 11, and the outer side of the Z-axis motor 23 is respectively connected to one side of the lifting seat 12, so that the Z-axis device 5 is formed, and the Z-axis motor 23 of the Z-axis screw 22 is driven by.

As shown in fig. 5, the C-axis device 4 includes a C-axis seat 26, a first speed reducer 27 is disposed through the C-axis seat 26, one end of the first speed reducer 27 is connected to a servo motor 34, the motor shaft of the servo motor 34 is inserted into the first speed reducer 27 and is connected with the inside of the first speed reducer 27 in an interference manner, the C-axis seat 26 is fixedly sleeved with a motor shield 37 at the periphery of the servo motor 34, an oil seal 38 is embedded at the inner side of the other end of the first speed reducer 27, the first speed reducer 27 is connected with a flange plate 39, the other end of the flange plate 39 is sequentially connected with a handle 40, a limit nut 41 and a locking nut 42, one end of the handle 40 is arranged on the flange plate 39 in a penetrating way, the other end is connected with the limit nut 41, the tool holder 40 and the limiting nut 41 are arranged between the locking nut 42 and the flange plate 39 in a covering mode through the locking nut 42 and the flange plate 39, a tool 44 penetrates through the tool holder 40, and the tool 44 is detachably connected with the tool holder 40 through the locking nut 42.

As shown in fig. 6, the a-axis device 6 includes a reduction case 31, two sides of the periphery of the reduction case 31 are symmetrically connected with fixing blocks 33, a second reduction gear 29 is arranged in the center in a penetrating manner, the reduction case 31 is connected with the lifting seat 12 through the fixing blocks 33, a spindle swing arm 28 is fixedly connected below the second reduction gear 29, a motor 32 is connected above the second reduction gear, a motor shaft of the motor 32 is arranged in the second reduction gear 29 in a penetrating manner and is in interference connection with the inside of the second reduction gear 29, a grinding wheel electric spindle 8 is connected below the spindle swing arm 28, the grinding wheel electric spindle 8 includes a spindle box 30, the spindle box 30 is fixedly connected below the spindle swing arm 28 and is provided with an electric spindle 35 in a penetrating manner, one end of the electric spindle 35 is connected with a pneumatic knife handle 43 through a pneumatic lock.

Taking the working principle and combining the structure as an example, the electrode runs according to the converted G code track during processing, and an electrode fillet radius compensation technology, a main clearance angle compensation technology and a side clearance angle compensation technology are applied:

fillet radius compensation technology: the moving track on the theoretical line moves by one point, and the actual machining is R fillet machining, so that an R fillet radius compensation technology is needed, and the point of R fillet contact electric discharge machining is the moving point of the theoretical track;

primary relief angle compensation technique: the discharge grinding point at the quadrant position below the circumference of the electrode is transferred to the circumference position of the electrode corresponding to the main back angle through YZ axis compensation movement to grind the main back angle;

side relief angle compensation technique: rotating the A shaft in proportion according to the angle of the side relief angle and the normal contact angle of the grinding point on the contour line, driving the electrode wheel to incline by the A shaft, and moving the XY shaft for compensation when the electrode inclines to keep the grinding position unchanged, so that the accuracy of the side relief angle is ensured;

the five-axis numerical control machine tool is manufactured by combining three linear axis X \ Y \ Z axis moving components, two rotating axis A \ C axis moving components, an electrode rotating main shaft component, an electric spark power supply for discharge machining and a probe device, wherein a machined tool 44 is connected with the C axis moving components, a C axis is fixed on the X axis moving components and a workbench 7 and can drive the tool 44 to move left and right and rotate around the axis of the C axis, the axis of the C axis is parallel to the axis of the X axis, the axis of the A axis is parallel to the axis of the Z axis and drives a main shaft head to rotate around the axis of the A axis, the main shaft head drives a circular electrode to do rotary motion to a part of the machined tool 44 for discharge machining, the A axis is arranged on the Z axis moving components, and the Z axis moving components are connected with the Y axis moving components and can move up and down and back and forth.

Further, in the embodiment, the probe is fixedly installed on the spindle 35, the probe device moves linearly in three directions and rotates around the axis of the a/C shaft along with the spindle head moving part relative to the machined tool 44, the jumping function in the numerical control system is utilized, the spatial position relation of the front tool face can be analyzed by the probe detecting the point 3 with few front tool faces, the blade contour line segment does not need to be collected point by point, a large amount of measuring time can be saved, the correct machining route can be obtained by program calculation, the loss of the electrode is that the discharge machining of the whole cutter is automatically completed by the electrode after the electrode is automatically turned and finished by the turning tool on the worktable 7 and the discharge machining of the machined tool 44 is performed by the electrode, after the discharge machining parameters are set in advance, the discharge machining of the whole cutter is automatically completed without manual participation in the machining process, generally, one worker can simultaneously operate 7-12 machine tools for machining, compared with other equipment, 2/3 workers are saved, and the processing efficiency is basically equal;

by adopting the jump function in the numerical control system, a plurality of point coordinate data of the front tool face of the blade are acquired on line on the numerical control machine tool through the probe, the space position of the front tool face is calculated by a macro program developed secondarily, the cutting edge contour line of the cutter 44 is input in a DXF format and is converted into a G code in the numerical control system, and the requirement of workers on the numerical control programming capability is reduced.

The invention solves the problem of the cutting edge precision of the cutter 44 caused by the manufacturing error of the blade welding cutter and the welding deformation of the blade, can solve the problems of keeping the angle consistency of the main relief angle at different radiuses and keeping the angle consistency of the auxiliary relief angle, has the advantages of high automatic processing degree and less manual auxiliary time, realizes five-axis linkage and high automation level, and effectively improves the processing precision and reaches a wider application range by adopting a numerical control system to be matched with high-precision mechanical structures such as a servo motor 34, a precision screw rod and the like, meets the requirements, realizes the processing of more complex cutter 44 materials and reaches higher processing efficiency.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.