CN210849459U - Five-axis CNC woodworking carbide tool grinder - Google Patents

Abstract

Five-axis numerical control woodworking hard alloy cutter grinding machine, the utility model consists of three linear axis X \ Y \ Z axis motion parts and two rotation axis A \ C axis motion parts, through using electrode fillet radius compensation technology, main relief angle compensation technology and side relief angle compensation technology, the problem of cutter edge precision caused by cutter welding manufacturing error and cutter welding deformation is solved, and the problems of keeping main relief angle in different radiuses and angle consistency and side relief angle are solved, the machine has the advantages of high automation degree and less manual auxiliary time, realizes five-axis linkage, has high automation level, and realizes effective improvement of processing precision and reaching wider application range by adopting a numerical control system to match with a servo motor and high-precision mechanical structures such as a precise screw rod, meets the required requirements, realizes processing of more complex cutter materials, and higher processing efficiency is achieved.

Description

Five-axis CNC woodworking carbide tool grinder

technical field

The utility model relates to a CNC machining machine for woodworking hard alloy cutting tools, more particularly, to a five-axis numerical control woodworking hard alloy cutting tool grinding machine.

Background technique

Carbide tool for woodworking is a tool product which is made of multiple carbide inserts welded on steel tool body and processed by grinding wheel. Its rake face is an inclined plane. The problem of welding position manufacturing error, the front angle and inclination angle of the rake of each blade are not the same, and they do not match the design drawings. Requirements, it is necessary to repeatedly manually adjust the machine tool to correct the processing size, which consumes a lot of manpower.

Utility model content

The utility model improves the prior art in view of the above-mentioned shortcomings, and provides a five-axis numerical control woodworking cemented carbide tool grinder, and the technical scheme is as follows:

A five-axis CNC woodworking carbide tool grinder includes a base and an X-axis device and a Y-axis device arranged above it. The upper side of the Y-axis device is connected with a Z-axis device, and the bottom of the Z-axis device passes through A The shaft device is connected with a grinding wheel motorized spindle, and the A-axis device is displaced along the axial direction of the Y-axis device and the Z-axis device with the axial movement of the Y-axis device and the Z-axis device, and the A-axis device passes through the shaft. The axial movement of the grinding wheel makes the electric spindle of the grinding wheel displace along its direction, and the top of the X-axis device is connected with a C-axis device through the worktable, and the worktable moves the C-axis device along its direction along with the axial movement of the X-axis device;

The top of the base is connected with a cross beam on both sides of the workbench, one side of the cross beam is movably connected with a slide plate along the Y-axis axial movement direction above the C-axis device, and the other side of the slide plate is connected with a fixed seat. One side of the fixed seat is connected with a lifting seat, the lifting seat is connected with several groups of bayonet openings, and an A-axis device is connected through the bayonet openings.

Further, an X-axis screw rod is embedded above the center of the base, the two ends of the X-axis screw rod are respectively fixed and connected to the base, the upper part of the movable block is fixedly connected to the worktable, and one end of the X-axis screw rod is fixedly connected with a X-axis motor, the outer side of the X-axis motor is fixedly sleeved with an X-axis motor seat, and the X-axis motor seat is fixedly connected to the base, and X-axis guide rails are symmetrically arranged on both sides of the X-axis screw rod. The guide rail is fixedly connected to the base, and the top of it is connected to the bottom ends of the worktable respectively, so as to form an X-axis device. Axial displacement.

Further, a Y-axis screw rod is embedded in the center of one side of the beam, the two ends of the Y-axis screw rod are respectively fixed to connect the beam, one side of the movable block is fixedly connected to the slide plate, and one end of the Y-axis screw rod is fixedly connected There is a Y-axis motor, the outer side of the Y-axis motor is fixed with a Y-axis motor seat, and the cross beam is fixedly connected through the Y-axis motor seat, and Y-axis guide rails are symmetrically arranged on both sides of the Y-axis screw rod. The shaft guide rail is fixedly connected to the beam, and its outer sides are respectively connected to one side of the slide plate to form a Y-axis device. The Y-axis device drives the Y-axis screw to rotate through its Y-axis motor, thereby driving the slide plate on its side along the Y-axis. direction displacement.

Further, a Z-axis screw rod is embedded in the center of one side of the fixed seat, two ends of the Z-axis screw rod are respectively fixedly connected to the fixed seat, and one side of the movable block is fixedly connected to the lifting seat. The top end is fixedly connected with a Z-axis motor, the outer side of the Z-axis motor is fixedly sleeved with a Z-axis motor seat, and the Z-axis motor seat is fixedly connected to the fixing seat, and the Z-axis screw is symmetrically arranged on both sides of the Z-axis Guide rail, the Z-axis guide rail is fixedly connected to the fixed seat, and its outer side is respectively connected to one side of the lifting seat to form a Z-axis device. The lift seat is displaced along the Z-axis.

Further, the C-axis device includes a C-axis seat, the C-axis seat is provided with a first reducer, one end of the first reducer is connected with a servo motor, and the motor shaft of the servo motor is passed through the first reducer It is connected with the inside of the first reducer, the C-axis seat is fixedly sleeved with a motor shield on the outer periphery of the servo motor, and an oil seal is inlaid on the inside of the other end of the first reducer. The first reducer is connected in a way A flange plate, the other end of the flange plate is sequentially connected with a handle, a limit nut and a locking nut, one end of the tool handle is penetrated through the flange plate, and the other end is connected with a limit nut, and the locking nut is connected to the other end. In connection with the flange, the tool handle and the limit nut are covered between the locking nut and the flange plate, the tool handle is provided with a tool, and the tool is detachably connected to the tool handle through the locking nut.

Further, the motor shaft of the servo motor is internally connected with the first reducer by interference.

Further, the A-axis device includes a reduction box, the outer periphery of the reduction box is symmetrically connected with fixed blocks on both sides, and a second reducer is penetrated in the center, the reduction box is connected to the lifting seat through the fixed block, and the second reduction box is connected. The lower part of the machine is fixedly connected with a spindle swing arm, the upper part is connected with a motor, the motor shaft of the motor is passed through the second reducer and connected with the inside of the second reducer, and the lower part of the spindle swing arm is connected with a grinding wheel electric spindle .

Further, the grinding wheel electric spindle includes a spindle box, the spindle box is fixedly connected to the lower part of the spindle swing arm, and the electric spindle is passed through it. There is a grinding wheel attached to the disassembly.

Further, the motor shaft of the motor is internally connected with the second reducer by interference.

Further, one end of the electric spindle is connected to the tool handle through a pneumatic locking tool.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model solves the problem of the precision of the cutting edge of the tool caused by the manufacturing error of the blade welding knife and the deformation of the blade welding, and can solve the problem of maintaining the main relief angle on different radii. Consistency problem and auxiliary clearance angle consistency problem have the advantages of high degree of automatic processing and less manual assistance time. It realizes five-axis linkage, high automation level, and adopts CNC system to cooperate with servo motor, precision screw and other high-precision The mechanical structure of the machine can effectively improve the machining accuracy and achieve a wider range of use, meet the required requirements, realize the processing of more complex tool materials, and achieve high processing efficiency.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present utility model more clearly, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below:

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the X-axis device structure diagram of the present utility model;

3 is a structural diagram of a Y-axis device of the present invention;

4 is a structural diagram of a Z-axis device of the present invention;

5 is a disassembled structural diagram of the C-axis device of the present invention;

Fig. 6 is the disassembled structure diagram of the A-axis device of the present invention

Including: base 1, X-axis device 2, Y-axis device 3, C-axis device 4, Z-axis device 5, A-axis device 6, worktable 7, grinding wheel electric spindle 8, beam 9, slide plate 10, fixed seat 11, lift Block 12, X-axis screw 13, X-axis motor 14, X-axis motor base 15, X-axis guide rail 16, Y-axis screw 17, grinding wheel 18, Y-axis motor 19, Y-axis motor base 20, Y-axis guide rail 21, Z-axis screw 22, Z-axis motor 23, Z-axis motor base 24, Z-axis guide rail 25, C-axis base 26, first reducer 27, spindle swing arm 28, second reducer 29, spindle box 30, reducer box 31. Motor 32, fixed block 33, servo motor 34, electric spindle 35, bayonet 36, motor shield 37, oil seal 38, flange 39, tool handle 40, limit nut 41, lock nut 42, pneumatic knife Shank 43, tool 44.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. . Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The embodiments of the present utility model will be described in further detail below in conjunction with the accompanying drawings, as follows:

As shown in Figure 1, the five-axis CNC woodworking carbide tool grinder includes a base 1 and an X-axis device 2 and a Y-axis device 3 arranged above it, and a Z-axis device 5 is connected to the upper side of the Y-axis device 3. , the bottom of the Z-axis device 5 is connected with a grinding wheel electric spindle 8 through the A-axis device 6. The A-axis device 6 follows the axial movement of the Y-axis device 3 and the Z-axis device 5 to make the A-axis device 6 move along the Y-axis device 3 and the Z-axis device 5 respectively. The Z-axis device 5 is displaced in the axial direction, the A-axis device 6 moves the grinding wheel electric spindle 8 along its direction through axial movement, and the C-axis device 4 is connected to the top of the X-axis device 2 through the worktable 7 , and the worktable 7 With the axial movement of the X-axis device 2, the C-axis device 4 is displaced along its direction;

The top of the base 1 is connected with a cross beam 9 on both sides of the workbench 7. One side of the cross beam 9 corresponds to the upper part of the C-axis device 4 and is movably connected with a slide plate 10 along the Y-axis axial movement direction. The seat 11 is connected with a lift seat 12 on one side of the fixed seat 11 . The lift seat 12 is connected with several sets of bayonet openings 36 , and the A-axis device 6 is connected through the bayonet openings 36 .

As shown in FIG. 2, an X-axis screw rod 13 is embedded above the center of the base 1. The two ends of the X-axis screw rod 13 are respectively connected to the base 1, and the upper part of the movable block is fixedly connected to the table 7, and the X-axis screw rod One end of the 13 is fixedly connected to the X-axis motor 14, the outer side of the X-axis motor 14 is fixedly sleeved with an X-axis motor seat 15, and the base 1 is fixedly connected to the base 1 through the X-axis motor seat 15, and the two sides of the X-axis screw 13 are respectively The X-axis guide rails 16 are symmetrically arranged, the X-axis guide rails 16 are fixedly connected to the base 1, and the upper ends of the X-axis guide rails 16 are respectively connected to the bottom ends of the worktable 7, so as to form an X-axis device 2, and the X-axis device 2 passes its X-axis motor 14. The X-axis screw 13 is driven to rotate, thereby driving the upper table 7 to move along the X-axis direction.

As shown in FIG. 3, a Y-axis screw rod 17 is embedded in the center of one side of the beam 9. The two ends of the Y-axis screw rod 17 are respectively connected to the beam 9, and one side of the movable block is fixedly connected to the slide plate 10. The Y-axis screw One end of the rod 17 is fixedly connected with a Y-axis motor 19 , the outer side of the Y-axis motor 19 is fixedly sleeved with a Y-axis motor seat 20 , and is fixedly connected to the beam 9 through the Y-axis motor seat 20 , Both sides of the Y-axis screw 17 The Y-axis guide rails 21 are respectively arranged symmetrically. The Y-axis guide rails 21 are fixedly connected to the beam 9, and the outer sides of the Y-axis guide rails 21 are respectively connected to one side of the slide plate 10 to form a Y-axis device 3, which is driven by its Y-axis motor 19. The Y-axis screw 17 rotates so as to drive the sliding plate 10 located on one side thereof to displace along the Y-axis direction.

As shown in FIG. 4 , a Z-axis screw rod 22 is embedded in the center of one side of the fixed base 11 , and the two ends of the Z-axis screw rod 22 are respectively fixedly connected to the fixed base 11 , and one side of the movable block is fixedly connected to the lifting base 12 . The top end of the Z-axis screw 22 is fixedly connected to the Z-axis motor 23 , the Z-axis motor 23 is fixedly sleeved with a Z-axis motor seat 24 , and the Z-axis motor seat 24 is fixedly connected to the fixing seat 11 , and the Z-axis screw The Z-axis guide rails 25 are symmetrically arranged on both sides of the 22 respectively. The Z-axis guide rails 25 are fixedly connected to the fixing base 11, and the outer sides thereof are respectively connected to one side of the lifting base 12, so as to form a Z-axis device 5, and the Z-axis device 5 passes through. The Z-axis motor 23 drives the Z-axis screw 22 to rotate so as to drive the lift seat 12 on one side to move along the Z-axis direction.

The C-axis device 4 shown in FIG. 5 includes a C-axis seat 26 , the C-axis seat 26 is provided with a first reducer 27 , and one end of the first reducer 27 is connected with a servo motor 34 . The motor of the servo motor 34 The shaft passes through the first reducer 27 and is connected to the inside of the first reducer 27 by interference. The C-axis seat 26 is fixedly sleeved with a motor shield 37 on the outer circumference of the servo motor 34 , and is inside the other end of the first reducer 27 . Inlaid with an oil seal 38, the first reducer 27 is connected with a flange 39, and the other end of the flange 39 is sequentially connected with a handle 40, a limit nut 41 and a locking nut 42. The flange 39 is connected to the limit nut 41 at the other end, and is connected to the flange 39 through the lock nut 42 so that the tool handle 40 and the limit nut 41 are covered between the lock nut 42 and the flange 39, and the knife The handle 40 is provided with a cutter 44 , and the cutter 44 is detachably connected to the handle 40 through a locking nut 42 .

As shown in FIG. 6 , the A-axis device 6 includes a reduction box 31 . The outer periphery of the reduction box 31 is symmetrically connected with fixed blocks 33 on both sides, and a second reducer 29 is penetrated in the center. The base 12, the lower part of the second reducer 29 is fixedly connected with the main shaft swing arm 28, and the upper part is connected with a motor 32, the motor shaft of the motor 32 passes through the second reducer 29 and is connected with the inner interference of the second reducer 29. , the bottom of the spindle swing arm 28 is connected with the grinding wheel motorized spindle 8, and the grinding wheel motorized spindle 8 includes a spindle box 30, which is fixedly connected to the bottom of the spindle swing arm 28, and is provided with the motorized spindle 35. One end is connected to the pneumatic tool handle 43 through the pneumatic lock knife, and the other end of the pneumatic tool handle 43 is detachably connected with the grinding wheel 18 .

Taking the working principle combined with the above structure as an example, the electrode runs according to the converted G code track during processing, and the electrode fillet radius compensation technology, the main relief angle compensation technology, and the secondary relief angle compensation technology are applied:

Corner radius compensation technology: The moving trajectory on the theoretical line is moved by a point, but the actual processing is an R round corner processing, which requires the R round corner radius compensation technology, which can make the R round corner contact discharge The processed point is the point where the theoretical trajectory moves;

Main relief angle compensation technology: The discharge grinding point at the quadrant position below the electrode circumference is transferred to the electrode circumference position consistent with the main relief angle angle through the YZ axis compensation movement to realize the grinding of the main relief angle;

Auxiliary clearance angle compensation technology: According to the secondary clearance angle and the normal contact angle of the grinding point on the contour line, the A-axis is rotated proportionally, and the A-axis drives the electrode wheel to cause side inclination. It is necessary to move the XY axis compensation to ensure the accuracy of the secondary clearance angle;

The five-axis CNC machine tool of the utility model is composed of three linear axis X\Y\Z axis moving parts, two rotating axis A\C axis moving parts, one electrode rotating spindle part, plus an electric spark power supply for electric discharge machining and The machine tool is manufactured by combining the probe devices. The tool 44 to be processed is connected to the C-axis moving part, and the C-axis is fixed on the X-axis moving part and the table 7, which can drive the tool 44 to move left and right and move around the C-axis axis. Rotational motion, the C-axis axis is parallel to the X-axis axis, the A-axis axis is parallel to the Z-axis axis, and the spindle head is driven to rotate around the A-axis axis, and the spindle head drives the circular electrode to rotate. In part, the A-axis is installed on the Z-axis moving part, and the Z-axis moving part is connected with the Y-axis moving part, which can move up and down, back and forth.

Further, in this embodiment, the probe is fixedly mounted on the spindle 35, and the probe device moves linearly in three directions relative to the tool 44 to be processed and rotates around the A/C axis along with the moving part of the spindle head. With the jump function in the numerical control system, the probe can analyze the spatial position relationship of the rake face by detecting 3 points with few points on the rake face. The correct processing route can be obtained by calculation. The loss of the electrode is automatically performed by the turning tool on the worktable 7 to the electrode after turning and finishing the discharge surface, and then the electrode to be processed by the tool 44. After setting, the EDM of the entire knife is automatically completed without manual participation in the machining process. Generally, a worker can operate 7 to 12 machine tools at the same time, which saves 2/3 of the workers compared to other equipment, and the machining efficiency is basically the same. ;

By adopting the jump function in the numerical control system, the coordinate data of several points on the rake face of the blade are collected online on the numerical control machine tool through the probe, and the spatial position of the rake face is calculated by the secondary development macro program, and the contour of the cutting edge of the tool 44 The line is input in DXF format and converted into G code in the CNC system, which reduces workers' requirements for CNC programming capabilities.

The utility model solves the problem of the precision of the cutting edge of the tool 44 caused by the manufacturing error of the blade welding knife and the welding deformation of the blade, and can solve the problem of maintaining the angle consistency of the main relief angle on different radii and the angle consistency of the auxiliary relief angle, and has the advantages of automatic It has the advantages of high processing degree and less manual assistance time. It realizes five-axis linkage and high automation level. By using CNC system with servo motor 34, precision screw and other high-precision mechanical structures, it can effectively improve processing accuracy and achieve a wider range of The scope of use can meet the needs, realize the processing of more complex tool 44 materials, and achieve higher processing efficiency.

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

Claims (10)

1. Five-axis CNC woodworking carbide tool grinder, comprising a base (1) and an X-axis device (2) and a Y-axis device (3) arranged above it, characterized in that: the Y-axis device (3) A Z-axis device (5) is connected to the upper side of the Z-axis device (5), and a grinding wheel electric spindle (8) is connected to the bottom of the Z-axis device (5) through an A-axis device (6). The A-axis device (6) is connected with the Y-axis device. (3) and the axial movement of the Z-axis device (5) respectively displace the A-axis device (6) in the axial direction of the Y-axis device (3) and the Z-axis device (5), the A-axis device (6) passing through Axial movement makes the grinding wheel electric spindle (8) move along its direction, the top of the X-axis device (2) is connected with a C-axis device (4) through a worktable (7), and the worktable (7) follows the X-axis device The axial movement of (2) displaces the C-axis device (4) in its direction; The top of the base (1) is connected with a beam (9) on both sides of the workbench (7), and one side of the beam (9) is movably connected along the Y-axis axial movement direction above the C-axis device (4). A sliding plate (10), the other side of the sliding plate (10) is connected with a fixing seat (11), one side of the fixing seat (11) is connected with a lifting seat (12), and the lifting seat (12) is connected with a card There are several groups of ports (36), and an A-axis device (6) is connected through the bayonet (36). 2. The five-axis CNC woodworking carbide tool grinder according to claim 1, wherein an X-axis screw (13) is embedded above the center of the base (1), and the X-axis screw (13) The two ends of the X-axis screw (13) are fixedly connected to the base (1), the upper part of the movable block is fixedly connected to the worktable (7), and one end of the X-axis screw (13) is fixedly connected to the X-axis motor (14). The X-axis motor The outer fixed sleeve of (14) is provided with an X-axis motor seat (15), and the base (1) is fixedly connected through the X-axis motor seat (15). Both sides of the X-axis screw (13) are symmetrically arranged with X-axis guide rail (16), the X-axis guide rail (16) is fixedly connected to the base (1), and the upper part of the X-axis guide rail (16) is connected to the bottom ends of the table (7) respectively, so as to form an X-axis device (2), the X-axis device (2) The X-axis screw (13) is driven to rotate by the X-axis motor (14), thereby driving the worktable (7) located on the upper part to move along the X-axis direction. 3. The five-axis CNC woodworking carbide tool grinder according to claim 1, wherein a Y-axis screw (17) is embedded in the center of one side of the beam (9), and the Y-axis screw ( 17) are fixedly connected to the beam (9) at both ends, one side of the movable block is fixedly connected to the slide plate (10), and one end of the Y-axis screw (17) is fixedly connected to a Y-axis motor (19). The outer side of the motor (19) is fixedly sleeved with a Y-axis motor seat (20), and the cross beam (9) is fixedly connected through the Y-axis motor seat (20), and the two sides of the Y-axis screw (17) are respectively symmetrically arranged There is a Y-axis guide rail (21), the Y-axis guide rail (21) is fixedly connected to the beam (9), and the outer sides thereof are respectively connected to one side of the slide plate (10), so as to form a Y-axis device (3), the Y-axis device ( 3) The Y-axis screw (17) is driven to rotate by the Y-axis motor (19), thereby driving the slide plate (10) located on one side thereof to displace along the Y-axis direction. 4. The five-axis CNC woodworking carbide tool grinder according to claim 1, wherein a Z-axis screw (22) is embedded in the center of one side of the fixed seat (11), and the Z-axis screw Both ends of (22) are fixedly connected to the fixed seat (11) respectively, one side of the movable block is fixedly connected to the lifting seat (12), and the top end of the Z-axis screw (22) is fixedly connected to the Z-axis motor (23), A Z-axis motor seat (24) is fixedly sleeved on the outer side of the Z-axis motor (23), and the Z-axis motor seat (24) is fixedly connected to the fixing seat (11). Z-axis guide rails (25) are respectively symmetrically arranged on the sides, the Z-axis guide rails (25) are fixedly connected to the fixing seat (11), and the outer sides thereof are respectively connected to one side of the lifting seat (12), so as to form a Z-axis device (5) The Z-axis device (5) drives the Z-axis screw (22) to rotate through its Z-axis motor (23), thereby driving the lift seat (12) on one side to displace along the Z-axis direction. 5. The five-axis CNC woodworking carbide tool grinder according to claim 1, wherein the C-axis device (4) comprises a C-axis seat (26), and the C-axis seat (26) is provided with A first reducer (27), one end of the first reducer (27) is connected with a servo motor (34), the motor shaft of the servo motor (34) is passed through the first reducer (27) and is connected with the first reducer (27) The reducer (27) is internally connected, the C-axis seat (26) is fixedly sleeved with a motor shield (37) on the outer periphery of the servo motor (34), and a motor shield (37) is inlaid on the inner side of the other end of the first reducer (27). An oil seal (38), the first reducer (27) is connected with a flange (39), and the other end of the flange (39) is sequentially connected with a handle (40), a limit nut (41) and a lock A tightening nut (42), one end of the shank (40) is inserted through the flange (39), the other end is connected with a limit nut (41), and is connected to the flange (39) through the tightening nut (42) The connection makes the handle (40) and the limit nut (41) covered between the locking nut (42) and the flange (39), the handle (40) is provided with a cutter (44), the cutter (44) Removably connect the tool handle (40) by locking the nut (42). 6 . The five-axis CNC woodworking carbide tool grinder according to claim 5 , wherein the motor shaft of the servo motor ( 34 ) and the first reducer ( 27 ) are internally connected by interference. 7 . 7. The five-axis CNC woodworking cemented carbide tool grinder according to claim 1, wherein the A-axis device (6) comprises a reduction box (31), and the outer circumference of the reduction box (31) is symmetrical on both sides A fixing block (33) is connected, a second reducer (29) is pierced in the center, the reduction box (31) is connected to the lifting seat (12) through the fixing block (33), and the second reducer (29) is A main shaft swing arm (28) is fixedly connected at the bottom, and a motor (32) is connected at the top. The motor shaft of the motor (32) is passed through the second reducer (29) and connected with the inside of the second reducer (29). A grinding wheel electric spindle (8) is connected below the spindle swing arm (28). 8. The five-axis CNC woodworking carbide tool grinder according to claim 7, characterized in that: the grinding wheel electric spindle (8) comprises a spindle box (30), and the spindle box (30) is fixedly connected to the spindle pendulum Below the arm (28), an electric spindle (35) is pierced through it, one end of the electric spindle (35) is pierced with a pneumatic tool handle (43), and the other end of the pneumatic tool handle (43) is detachably connected with a Grinding wheel (18). 9 . The five-axis CNC woodworking carbide tool grinder according to claim 7 , wherein the motor shaft of the motor ( 32 ) and the second reducer ( 29 ) are internally connected by interference. 10 . 10 . The five-axis CNC woodworking carbide tool grinder according to claim 7 , wherein one end of the electric spindle ( 35 ) is connected to the pneumatic tool handle ( 43 ) through a pneumatic lock knife. 11 .

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