Coating milling cutter assembly with adjustable milling angle

Abstract

The invention relates to the field of milling cutters, in particular to a coating milling cutter assembly with an adjustable milling angle. The technical problems that when the milling angle of a workpiece is adjusted, milling cutters need to be frequently replaced according to the cutting requirements of different materials due to different specifications of the milling cutters, the machining time of the workpiece is prolonged, the working efficiency is reduced, and the machining cost of the workpiece is increased are solved. And the milling cutter is integrally designed, and when the milling cutter is abraded and cracked, the whole milling cutter needs to be replaced, so that the use cost of the milling cutter is increased. Comprising a fixing disc, an adjusting mechanism is arranged on the inner side of the fixing disc, four angle mechanisms are arranged on the outer side of the adjusting mechanism, a locking mechanism is arranged on the upper side of the adjusting mechanism, a limiting mechanism is arranged on the upper side of the locking mechanism, a cutter bar is arranged on the upper side of the limiting mechanism, and a clamp mechanism is arranged on the upper side of the cutter bar. By arranging the adjusting mechanism and the angle mechanism, the adjusting rod is rotated through a wrench, and the adjusting rod rotates to drive the angle plate to vertically deflect with the angle shaft as the circle center.

Description

Technical Field

[0001] The invention relates to the field of milling cutters, and in particular to a coated milling cutter assembly with adjustable milling angle. Background Art

[0002] A milling cutter is a rotary tool with one or more teeth used for milling. The teeth are used to intermittently cut off the workpiece's excess. Milling cutters are mainly used to process planes, steps, grooves, forming surfaces, and cut off workpieces on milling machines. Different types of milling cutters have different characteristics and uses. When using a milling cutter, it is necessary to select a suitable milling cutter for machining according to the characteristics of different types of milling cutters. Attention should also be paid to the requirements for the use and maintenance of the milling cutter to ensure the normal use of the milling cutter and extend its service life.

[0003] Milling cutters are one of the commonly used tools in mechanical processing, with a wide range of applications and important functions. In the prior art, when adjusting the milling angle of a workpiece, due to the large number of milling cutter specifications, the milling cutter needs to be frequently replaced according to the cutting angle requirements of different materials, which prolongs the processing time of the workpiece, reduces work efficiency, and increases the processing cost of the workpiece; and the milling cutter is an integrated design, and when the milling cutter is worn or cracked, the entire tool needs to be replaced, which increases downtime and replacement time, limits the flexibility of the tool, and increases the cost of using the tool. Summary of the invention

[0004] (1) Technical issues to be resolved In order to overcome the shortcomings that when adjusting the milling angle of a workpiece, the milling cutter has many specifications and needs to be frequently replaced according to the cutting requirements of different materials, which prolongs the processing time of the workpiece, reduces work efficiency, and increases the processing cost of the workpiece; and the milling cutter has an integrated design, and when the milling cutter is worn or cracked, the entire tool needs to be replaced, which increases downtime and replacement time, limits the flexibility of the tool, and increases the cost of using the tool. The technical problem to be solved by the present invention is to provide a coated milling cutter assembly with an adjustable milling angle.

[0005] (2) Technical solution 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein the adjusting device is a wood-planer working table and a tool holder. The adjusting device is a wood-planer working table, and the tool holder is a wood-planer working table. The adjusting device is a wood-planer working table, and the tool holder is a wood-planer working table. The adjusting device is a wood-planer working table, and the tool holder is a wood-planer working table.

[0006] Preferably, the adjustment mechanism also includes a shell, the shell is fixedly connected to the upper surface of the fixed disk, the shell is rotatably connected to the adjustment rod, one end of the adjustment shaft is fixedly connected to a connecting frame, the cross-section of the connecting frame is cross-shaped, a connecting ring is fixedly connected to the outer side of the connecting frame, a cross-shaped slide groove is opened on the lower surface of the fixed disk, and the connecting frame is slidably connected in the cross-shaped slide groove.

[0007] Preferably, the angle mechanism includes two support blocks, the support blocks are fixedly connected to the lower surface of the fixed disk, the sides of the support blocks are fixedly connected with reinforcing ribs, the upper surfaces of the reinforcing ribs are fixedly connected to the lower surface of the fixed disk, the cross-section of the reinforcing ribs is triangular, the lower ends of the two support blocks are rotatably connected with an angle shaft, an angle plate is fixedly connected to the outside of the angle shaft and between the two support blocks, and the cross-section of the angle plate is rhombus.

[0008] Preferably, the angle mechanism also includes a return spring, the upper end of the return spring is fixedly connected to the lower surface of the fixed disk, the lower end of the return spring is fixedly connected to the upper surface of the angle plate, one end of the angle plate is rotatably connected to two angle rods via a rotating shaft, the other end of the angle rod is rotatably connected to two angle seats via a rotating shaft, and the other end of the angle seat is fixedly connected to the connecting ring.

[0009] Preferably, the other end of the angle plate is fixedly connected to a blade by bolts, and three layers of coating are provided on the outside of the blade. The innermost layer is a titanium nitride coating, which provides basic hardness and oxidation protection for the blade, the middle layer is a titanium nitride carbide coating, which enhances the cutting performance and lubricity of the blade, and the outermost layer is a diamond coating, which provides the blade with extremely high hardness and wear resistance.

[0010] Preferably, the locking mechanism includes a positioning plate which is fixedly connected to the inner side of the housing. Two arc-shaped chutes are formed on the upper surface of the positioning plate. A locking column is slidably connected in the arc-shaped chute. The lower end of the locking column is fixedly connected to an unlocking spring, and the lower end of the unlocking spring is fixedly connected to a pressing block. Four tension springs are symmetrically and fixedly connected to the inner side surface of the housing, and the other ends of the tension springs are fixedly connected to a locking plate whose cross section is arc-shaped.

[0011] Preferably, the locking mechanism further includes a locking ring which is fixedly connected to the locking column. Two locking blocks are symmetrically and fixedly connected to the arc-shaped outer side surface of the locking ring, and the cross section of the locking block is square. Two Z-shaped chutes are formed on the inner side surface of the housing, and the locking block is slidably connected in the Z-shaped chute.

[0012] Preferably, the limiting mechanism includes a limiting frame which is fixedly connected to the upper surface of the positioning plate. Two square grooves are symmetrically formed on the lower surface of the limiting frame. Two limiting plates are slidably connected in the square grooves, and the cross section of the limiting plate is C-shaped. Two limiting springs are fixedly connected to the opposite side surfaces of the two limiting plates. A T-shaped chute is formed on the other side of the limiting plate, and a limiting shaft is rotatably connected in the T-shaped chute. The limiting shaft is slidably connected to the limiting frame. A limiting block whose cross section is square is fixedly connected to the outer side surface of the limiting shaft, and a limiting handle is fixedly connected to the other end of the limiting shaft. Square grooves are formed on both sides of the limiting frame.

[0013] Preferably, a circular through hole is formed on the upper surface of the limiting frame, and the tool rod is slidably connected in the circular through hole. Two square chutes are formed on the side surface of the tool rod, and the limiting plate is slidably connected in the square chute. A thread is formed at the lower end of the tool rod, and the lower end of the tool rod is threadedly connected to the positioning plate.

[0014] Preferably, the clamping mechanism includes a snap spring which is slidably connected to the tool rod. A clamping shaft is slidably connected to the outer side of the snap spring. An external thread is formed at one end of the clamping shaft, and a locking nut is threadedly connected to one end of the clamping shaft. An internal thread is formed at the other end of the clamping shaft, and a pull stud is threadedly connected to the other end of the clamping shaft.

[0015] (3) Beneficial effects 1. By setting the adjustment mechanism and the angle mechanism, the adjustment rod is rotated with a wrench, and the rotation of the adjustment rod drives the angle plate to deflect up and down with the angle axis as the center of the circle. The angle plate deflects up and down with the angle axis as the center of the circle, which drives the inclination angle of the blade to change, thereby meeting the cutting requirements of different materials, shortening the processing time of the workpiece, improving the work efficiency, and reducing the processing cost of the workpiece; at the same time, when the blade of the milling cutter assembly is worn or broken, the blade can be replaced on the machine with a wrench, which increases the flexibility of the milling cutter assembly and reduces the cost of using the tool; 2. By setting a locking mechanism, the locking column rotates clockwise with the tool rod as the center, driving the locking ring to rotate clockwise. The locking ring rotates clockwise so that the two locking plates contact the adjusting shaft. The milling direction of the milling cutter is forward milling. When the milling cutter assembly rotates, the locking mechanism rotates tighter and tighter to prevent the inclination angle of the blade of the milling cutter assembly from changing during the milling process, resulting in workpiece processing failure. By setting a limit mechanism, the limit handle slides inward to drive the two limit plates to slide toward each other. The two limit plates slide toward each other and slide into the square groove on the side of the tool rod to prevent the tool rod from loosening during the milling process of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the knife bar structure of the present invention; Figure 3 is a cross-sectional view of a fixed disk of the present invention; Figure 4 It is a schematic diagram of the angle mechanism structure of the present invention; Figure 5 It is a schematic diagram of the structure of the regulating mechanism of the present invention; Figure 6 It is a schematic diagram of the locking mechanism structure of the present invention; Figure 7 is a cross-sectional view of the housing of the present invention; Figure 8 is a cross-sectional view of a positioning plate of the present invention; Fig. 9 It is a schematic diagram of the structure of the limiting mechanism of the present invention; Fig.10 It is a schematic diagram of the structure of the clamp mechanism of the present invention.

[0017] The marks in the accompanying drawings are: 1-fixed plate, 2-angle mechanism, 201-support block, 202-reinforcement rib, 203-reset spring, 204-angle plate, 205-angle rod, 206-angle seat, 207-angle shaft, 3-adjustment mechanism, 301-adjustment shaft, 302-adjustment worm gear, 303-connecting ring, 304-connecting frame, 305-housing, 306-adjustment worm, 307-adjustment rod, 4-locking mechanism, 401-locking column, 40 2-positioning plate, 403-unlocking spring, 404-pressure block, 405-locking plate, 406-tension spring, 407-locking ring, 408-locking block, 5-limiting mechanism, 501-limiting handle, 502-limiting shaft, 503-limiting block, 504-limiting plate, 505-limiting spring, 506-limiting frame, 6-knife rod, 7-clamping mechanism, 701-locking nut, 702-circlip, 703-clamping shaft, 704-pull rivet, 8-blade. DETAILED DESCRIPTION

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments. Embodiment 1

[0019] A coated milling cutter assembly with adjustable milling angle, such as Figure 1 , Figure 2 As shown, it includes a fixed plate 1, an adjusting mechanism 3 is arranged on the inner side of the fixed plate 1, and four angle mechanisms 2 are arranged on the outer side of the adjusting mechanism 3. By arranging the adjusting mechanism 3 and the angle mechanism 2, the cutting requirements of different materials are met, the processing time of the workpiece is shortened, the work efficiency is improved, and the processing cost of the workpiece is reduced. A locking mechanism 4 is arranged on the upper side of the adjusting mechanism 3. By arranging the locking mechanism 4, the inclination angle of the blade 8 of the milling cutter assembly is prevented from changing during the cutting process, resulting in the failure of the workpiece processing. A limiting mechanism 5 is arranged on the upper side of the locking mechanism 4. By arranging the limiting mechanism 5, the tool rod 6 is prevented from loosening during the cutting process of the workpiece. The tool rod 6 is arranged on the upper side of the limiting mechanism 5, and the clamping mechanism 7 is arranged on the upper side of the tool rod 6. By arranging the clamping mechanism 7, the milling cutter assembly is fixedly connected to the milling machine, the power is transmitted to the milling cutter assembly, and the cutting stability of the milling cutter assembly is maintained.

[0020] like Figure 3 , Figure 5As shown, the adjustment mechanism 3 includes an adjustment shaft 301, which is slidably connected to the fixed disk 1. The outer side of the adjustment shaft 301 is provided with a thread, and the outer side of the adjustment shaft 301 is connected with an adjustment worm wheel 302 through a thread. The adjusting worm wheel 302 is provided with a thread inside, and the adjusting worm wheel 302 is threadedly connected to the adjustment shaft 301 through a thread. The lower surface of the adjusting worm wheel 302 is fixedly connected with a T-shaped ring, and the upper surface of the fixed disk 1 is provided with a T-shaped groove. The T-shaped ring on the lower surface of the adjusting worm wheel 302 is slidably connected in the T-shaped groove provided on the upper surface of the fixed disk 1. When the worm wheel 302 rotates, the T-shaped ring on the lower surface of the worm wheel 302 slides in the T-shaped groove of the fixed disk 1, thereby driving the adjustment shaft 301 moves up and down, an adjusting worm 306 is arranged on the side of the adjusting worm wheel 302, the adjusting worm wheel 302 is meshedly connected with the adjusting worm 306, an adjusting rod 307 is fixedly connected to the inner side of the adjusting worm 306, a shell 305 is fixedly connected to the upper surface of the fixed disk 1, the shell 305 is rotatably connected to the adjusting rod 307, one end of the adjusting rod 307 passes through the shell 305 and the end is a hexagonal inner shape, one end of the adjusting shaft 301 is fixedly connected to a connecting frame 304, the cross-section of the connecting frame 304 is a cross-shape, a connecting ring 303 is fixedly connected to the outer side of the connecting frame 304, a cross-shaped slide groove is provided on the lower surface of the fixed disk 1, and the connecting frame 304 is slidably connected in the cross-shaped slide groove.

[0021] like Figure 4 As shown, the angle mechanism 2 includes two support blocks 201, the support block 201 is fixedly connected to the lower surface of the fixed disk 1, the side of the support block 201 is fixedly connected with a reinforcing rib 202, the upper surface of the reinforcing rib 202 is fixedly connected to the lower surface of the fixed disk 1, the cross-section of the reinforcing rib 202 is triangular, the lower ends of the two support blocks 201 are rotatably connected with an angle shaft 207, the outer side of the angle shaft 207 and fixedly connected with an angle plate 204 between the two support blocks 201, the cross-section of the angle plate 204 is rhombus, the upper surface of the angle plate 204 is fixedly connected with a return spring 203, the other end of the return spring 203 is fixedly connected to the lower surface of the fixed disk 1, the two side surfaces of one end of the angle plate 204 are rotatably connected to two angle rods 205 through a rotating shaft, the other end of the angle rod 205 is rotatably connected to two angle seats 206 through a rotating shaft, and the other end of the angle seat 206 is fixedly connected to a connecting ring 303.

[0022] like Figure 4As shown, the other end of the angle plate 204 is fixedly connected with a blade 8 through a bolt. When the blade 8 of the milling cutter assembly is worn or damaged, a wrench can be used to replace the blade 8 on the machine, which increases the flexibility of the milling cutter assembly and reduces the use cost of the tool. There are three layers of coatings on the outer side of the blade 8. The innermost layer is a titanium nitride coating, which provides basic hardness and oxidation protection for the blade 8. The middle layer is a titanium carbonitride coating, which enhances the cutting performance and lubricity of the blade 8. The outermost layer is a diamond coating, which provides extremely high hardness and wear resistance for the blade 8.

[0023] As Figure 6 , Figure 7 shown, the locking mechanism 4 includes a positioning plate 402. The positioning plate 402 is fixedly connected to the inner side of the housing 305. There are two arc-shaped chutes on the upper surface of the positioning plate 402. A locking column 401 is slidably connected in the arc-shaped chute. The lower end of the locking column 401 is fixedly connected with an unlocking spring 403. The lower end of the unlocking spring 403 is fixedly connected with a pressing block 404. Four tension springs 406 are fixedly connected to the inner side surface of the housing 305. The other end of the tension spring 406 is fixedly connected with a locking plate 405. The cross-section of the locking plate 405 is arc-shaped. A locking ring 407 is fixedly connected to the outer side of the two locking columns 401. Two locking blocks 408 are symmetrically fixedly connected to the arc-shaped outer side surface of the locking ring 407. The cross-section of the locking block 408 is square. Two Z-shaped chutes are provided on the inner side surface of the housing 305. The locking block 408 is slidably connected in the Z-shaped chute.

[0024] As Figure 8 , Fig. 9 shown, the limiting mechanism 5 includes a limiting frame 506. The limiting frame 506 is fixedly connected to the upper surface of the positioning plate 402. Two square grooves are symmetrically provided on the lower surface of the limiting frame 506. Two limiting plates 504 are slidably connected in the square grooves. The cross-section of the limiting plate 504 is C-shaped. Two limiting springs 505 are fixedly connected to the opposite side surfaces of the two limiting plates 504. A T-shaped chute is provided on the other side of the limiting plate 504. A limiting shaft 502 is slidably connected in the T-shaped chute. The limiting shaft 502 is slidably connected to the limiting frame 506. A limiting block 503 is fixedly connected to the outer side surface of the limiting shaft 502. The cross-section of the limiting block 503 is square. The other end of the limiting shaft 502 is fixedly connected with a limiting handle 501. Square grooves with the same size as the limiting block 503 are provided on both sides of the limiting frame 506.

[0025] As Figure 8 shown, a circular through hole is provided on the upper surface of the limiting frame 506. A tool shank 6 is slidably connected in the circular through hole. Two square chutes are provided on the side surface of the tool shank 6. The limiting plate 504 is slidably connected in the square chute. A thread is provided at the lower end of the tool shank 6. The lower end of the tool shank 6 is threadedly connected to the positioning plate 402.

[0026] As Fig.10As shown, the clamping mechanism 7 includes a retaining spring 702, which is slidably connected to the knife rod 6, and the outer side of the retaining spring 702 is slidably connected to a clamping shaft 703, one end of the clamping shaft 703 is provided with an external thread, one end of the clamping shaft 703 is threadedly connected to a locking nut 701, the other end of the clamping shaft 703 is provided with an internal thread, and the other end of the clamping shaft 703 is threadedly connected to a pull pin 704.

[0027] Working principle: When using the milling cutter assembly, first use a wrench to remove the bolt at one end of the angle plate 204, and then install the blade 8 on the angle plate 204. When installing the blade 8, care should be taken to avoid damaging the coating on the surface of the blade 8. Then tighten the tool rod and the positioning plate 402, and use the limit mechanism 5 to limit the position of the tool rod 6 to prevent the tool rod 6 from loosening during the milling process of the workpiece. Then install the clamp mechanism 7 on the milling machine. Next, fix the assembled milling cutter to the clamp mechanism 7. After aligning the milling cutter, the workpiece can be processed. When the workpiece is initially processed to cut the allowance, first release the lock of the locking mechanism 4 on the adjustment mechanism 3, and then use the adjustment mechanism 3 to drive the angle mechanism 2 to One end of the blade 8 is deflected downward, and the locking mechanism 4 is used to lock the adjusting mechanism 3. At this time, the workpiece can be cut at high speed. When the surface of the workpiece is polished and smoothed, the locking mechanism 4 on the adjusting mechanism 3 is first released, and then the adjusting mechanism 3 is used to drive the angle mechanism 2 to adjust the blade 8 to the horizontal direction, and then the locking mechanism 4 is used to lock the adjusting mechanism 3. At this time, the workpiece can be polished and smoothed. Through the linkage between the locking mechanism 4, the adjusting mechanism 3, and the angle mechanism 2, there is no need to frequently change the tool during the workpiece processing, which meets the requirements of the cutting angles of different materials, shortens the processing time of the workpiece, improves the work efficiency, and reduces the processing cost of the workpiece.

[0028] When the limit mechanism 5 is used to fix the knife rod 6, the two limit handles 501 are pulled outward at the same time. The limit handle 501 slides outward to drive the limit shaft 502 to slide outward. The limit shaft 502 slides outward to drive the limit plate 504 to slide outward. The two limit plates 504 slide outward to stretch the two limit springs 505. The limit shaft 502 slides outward to drive the limit block 503 to slide outward. After the limit block 503 slides out of the limit frame 506, the limit handle 501 is moved with the limit shaft 502 as the center. Turn upward 90 degrees, then release the limit handle 501, the limit block 503 slides into the square grooves on both sides of the limit frame 506, and then tighten the tool rod 6 and the positioning plate 402 through threads, and then pull the two limit handles 501 and toggle the limit handles 501 to reset, the limit spring 505 contracts and pulls the two limit plates 504 to slide toward each other, and the two limit plates 504 slide toward each other and slide into the square grooves on the side of the tool rod 6. At this time, the limit mechanism 5 fixes the tool rod 6 to prevent the tool rod 6 from loosening during the milling process of the workpiece.

[0029] When the assembled milling cutter is fixedly connected to the clamping mechanism 7, first use a special wrench to remove the locking nut 701, take out the retaining spring 702, and then put the locking nut 701 on the outside of the tool rod 6, then put the retaining spring 702 on the upper end of the tool rod 6, and then insert the retaining spring 702 with the tool rod 6 into the lower end of the clamping shaft 703, and finally use a special wrench to tighten the locking nut 701 and the clamping shaft 703. At this time, the assembled milling cutter is fixedly connected to the clamping mechanism 7. After aligning the milling cutter, the workpiece can be processed.

[0030] When the locking mechanism 4 is unlocked from the adjusting mechanism 3, the two locking columns 401 are moved to rotate counterclockwise with the knife rod 6 as the center. The counterclockwise rotation of the locking column 401 drives the locking ring 407 to rotate counterclockwise. The counterclockwise rotation of the locking column 401 drives the locking block 408 to slide outward at the horizontal part of the bottom of the Z-shaped slide groove inside the shell 305. At this time, the unlocking spring 403 releases the pressure to push the locking column 401 to slide upward in the vertical part of the Z-shaped slide groove, and then pushes the two locking columns 401 to rotate counterclockwise with the knife rod 6 as the center. The locking ring 407 rotates counterclockwise and disengages from the highest point of the locking plate 405. When the locking block 408 slides to the end of the vertical part of the Z-shaped slide groove, the tension spring 406 contracts to pull the locking plate 405 out of contact with the adjusting shaft 301, and the locking block 408 slides to the horizontal part of the upper part of the Z-shaped slide groove. At this time, the locking mechanism 4 releases the lock of the adjusting mechanism 3.

[0031] When the adjustment mechanism 3 is used to drive the angle mechanism 2 to adjust the inclination angle of the blade 8, a wrench is used to rotate the adjustment rod 307, and the adjustment rod 307 rotates to drive the adjustment worm 306 to rotate, and the adjustment worm 306 is meshed and connected with the adjustment worm wheel 302, and the adjustment worm 306 rotates to drive the adjustment worm wheel 302 to rotate, and the adjustment worm wheel 302 rotates to drive the adjustment shaft 301 to move up and down, and the adjustment shaft 301 moves up and down to drive the connecting frame 304 to move up and down, and the connecting frame 304 moves up and down to drive the connecting ring 303 to move up and down, and the connecting ring 303 moves up and down to drive The angle seat 206 moves up and down, and the up and down movement of the angle seat 206 drives one end of the angle rod 205 to move up and down, and the up and down movement of one end of the angle rod 205 drives the other end of the angle rod 205 to move up and down, and the up and down movement of the other end of the angle rod 205 drives the angle plate 204 to deflect up and down with the angle axis 207 as the center, and the up and down deflection of the angle plate 204 with the angle axis 207 as the center drives the inclination angle of the blade 8 to change, thereby meeting the cutting requirements of different materials, shortening the workpiece processing time, improving work efficiency, and reducing the workpiece processing cost.

[0032] When the locking mechanism 4 is used to lock the adjustment mechanism 3, the two locking columns 401 are pushed to rotate clockwise with the knife rod 6 as the center. The locking column 401 rotates clockwise with the knife rod 6 as the center, driving the locking ring 407 to rotate clockwise. The locking ring 407 rotates clockwise to drive the locking block 408 to slide outward on the horizontal part of the upper part of the Z-shaped groove on the inner side of the shell 305. When the locking block 408 slides to the end of the upper horizontal part of the Z-shaped groove, the two locking columns 401 are pressed downward to slide downward on the vertical part of the Z-shaped groove. The two locking columns 401 slide downward to push the clamping block 404 to contact with the fixed disk 1, and the clamping block 404 is in contact with the fixed disk 1. After the disk 1 contacts, the unlocking spring 403 is compressed and continues to push the two locking columns 401 to rotate clockwise with the tool rod 6 as the center. At this time, the locking block 408 slides into the horizontal part of the bottom of the Z-shaped slide groove, and the locking ring 407 rotates clockwise to push the two locking plates 405 to contact the adjusting shaft 301. The two locking plates 405 contact the adjusting shaft 301 to stretch the tension spring 406. At this time, the locking ring 407 pushes the locking plate 405 to lock the adjusting shaft 301. The milling direction of the milling cutter is mostly forward milling. When the milling cutter assembly rotates, the locking mechanism 4 rotates tighter and tighter to prevent the inclination angle of the blade 8 from changing during the milling process of the milling cutter assembly, resulting in workpiece processing failure.

[0033] The above-mentioned embodiments only express the preferred implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present invention. It should be pointed out that, for a person skilled in the art, several modifications, improvements and substitutions can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention patent shall be subject to the attached claims.

Claims

1. A coated milling cutter assembly with adjustable milling angle, characterized in that: The invention comprises a fixed plate (1), an adjusting mechanism (3) is arranged on the inner side of the fixed plate (1), four angle mechanisms (2) are arranged on the outer side of the adjusting mechanism (3), a locking mechanism (4) is arranged on the upper side of the adjusting mechanism (3), a limiting mechanism (5) is arranged on the upper side of the locking mechanism (4), a knife bar (6) is arranged on the upper side of the limiting mechanism (5), a clamping mechanism (7) is arranged on the upper side of the knife bar (6), the adjusting mechanism (3) comprises an adjusting shaft (301), the adjusting shaft (301) is slidably connected to the fixed plate (1), and the outer side of the adjusting shaft (301) is opened. A thread is provided, the outer side of the adjusting shaft (301) is connected to an adjusting worm wheel (302) via the thread, the lower surface of the adjusting worm wheel (302) is fixedly connected to a T-shaped ring, the upper surface of the fixing plate (1) is provided with a T-shaped groove, the T-shaped ring on the lower surface of the adjusting worm wheel (302) is slidably connected in the T-shaped groove provided on the upper surface of the fixing plate (1), an adjusting worm (306) is provided on the side of the adjusting worm wheel (302), the adjusting worm wheel (302) is meshedly connected to the adjusting worm wheel (306), and the inner side of the adjusting worm wheel (306) is fixedly connected to an adjusting rod (307).

2. A coated milling cutter assembly with adjustable milling angle according to claim 1, characterized in that: The adjustment mechanism (3) further comprises a housing (305), wherein the housing (305) is fixedly connected to the upper surface of the fixed disk (1), the housing (305) is rotatably connected to the adjustment rod (307), one end of the adjustment shaft (301) is fixedly connected to a connecting frame (304), the cross-section of the connecting frame (304) is cross-shaped, a connecting ring (303) is fixedly connected to the outer side of the connecting frame (304), a cross-shaped sliding groove is provided on the lower surface of the fixed disk (1), and the connecting frame (304) is slidably connected in the cross-shaped sliding groove.

3. A coated milling cutter assembly with adjustable milling angle according to claim 2, characterized in that: The angle mechanism (2) comprises two support blocks (201), the support blocks (201) being fixedly connected to the lower surface of the fixed disk (1), the outer side surface of the support block (201) being fixedly connected to a reinforcing rib (202), the upper surface of the reinforcing rib (202) being fixedly connected to the lower surface of the fixed disk (1), the cross section of the reinforcing rib (202) being triangular, the lower ends of the two support blocks (201) being rotatably connected to an angle shaft (207), an angle plate (204) being fixedly connected to the outer side of the angle shaft (207) and located between the two support blocks (201), the cross section of the angle plate (204) being rhombus-shaped.

4. The coated milling cutter assembly with adjustable milling angle according to claim 3, characterized in that: The angle mechanism (2) further comprises a return spring (203), the upper end of the return spring (203) being fixedly connected to the lower surface of the fixed disk (1), the lower end of the return spring (203) being fixedly connected to the upper surface of the angle plate (204), one end of the angle plate (204) being rotatably connected to two angle rods (205) via a rotating shaft, the other end of the angle rod (205) being rotatably connected to two angle seats (206) via a rotating shaft, and the other end of the angle seat (206) being fixedly connected to the connecting ring (303).

5. The coated milling cutter assembly with adjustable milling angle according to claim 4, characterized in that: The other end of the angle plate (204) is fixedly connected to a blade (8) by means of bolts. The outer side of the blade (8) is provided with three layers of coating, the innermost layer being a titanium nitride coating, which provides basic hardness and oxidation protection for the blade (8), the middle layer being a titanium nitride carbide coating, which enhances the cutting performance and lubricity of the blade (8), and the outermost layer being a diamond coating, which provides the blade (8) with extremely high hardness and wear resistance.

6. A coated milling cutter assembly with adjustable milling angle according to claim 5, characterized in that: The locking mechanism (4) comprises a positioning plate (402), the positioning plate (402) being fixedly connected to the inner side of the housing (305), the upper surface of the positioning plate (402) being provided with two arc-shaped grooves, a locking column (401) being slidably connected in the arc-shaped groove, the lower end of the locking column (401) being fixedly connected to an unlocking spring (403), the lower end of the unlocking spring (403) being fixedly connected to a pressing block (404), four tension springs (406) being symmetrically fixedly connected to the inner side surface of the housing (305), the other end of the tension spring (406) being fixedly connected to the locking plate (405), and the cross section of the locking plate (405) being arc-shaped.

7. A coated milling cutter assembly with adjustable milling angle according to claim 6, characterized in that: The locking mechanism (4) further comprises a locking ring (407), wherein the locking ring (407) is fixedly connected to the locking column (401), and two locking blocks (408) are symmetrically fixedly connected to the arc-shaped outer side surface of the locking ring (407), wherein the cross section of the locking blocks (408) is square, and the inner side surface of the housing (305) is provided with two Z-shaped sliding grooves, and the locking blocks (408) are slidably connected in the Z-shaped sliding grooves.

8. The coated milling cutter assembly with adjustable milling angle according to claim 7, characterized in that: The limiting mechanism (5) includes a limiting frame (506), the limiting frame (506) is fixedly connected to the upper surface of the positioning plate (402), two square grooves are symmetrically opened on the lower surface of the limiting frame (506), and two limiting plates (504) are slidably connected in the square grooves. The cross-section of the limiting plate (504) is in a U shape. Two limiting springs (505) are fixedly connected to the opposite sides of the two limiting plates (504). A T-shaped sliding groove is opened on the other side of the limiting plate (504), and a limiting shaft (502) is rotatably connected in the T-shaped sliding groove. The limiting shaft (502) is slidably connected to the limiting frame (506). A limiting block (503) is fixedly connected to the outer side of the limiting shaft (502). The cross-section of the limiting block (503) is square. A limiting handle (501) is fixedly connected to the other end of the limiting shaft (502). Square grooves are opened on both sides of the limiting frame (506).

9. A coated milling cutter assembly with adjustable milling angle according to claim 8, characterized in that: A circular through hole is opened on the upper surface of the limiting frame (506), and the tool bar (6) is slidably connected in the circular through hole. Two square sliding grooves are opened on the side surface of the tool bar (6), and the limiting plate (504) is slidably connected in the square sliding grooves. Threads are opened at the lower end of the tool bar (6), and the lower end of the tool bar (6) is threadedly connected to the positioning plate (402).

10. The coated milling cutter assembly with adjustable milling angle according to claim 9, characterized in that: The clamping mechanism (7) includes a snap ring (702), the snap ring (702) is slidably connected to the tool bar (6), a clamping shaft (703) is slidably connected to the outside of the snap ring (702). External threads are opened at one end of the clamping shaft (703), and a locking nut (701) is threadedly connected to one end of the clamping shaft (703). Internal threads are opened at the other end of the clamping shaft (703), and a pull stud (704) is threadedly connected to the other end of the clamping shaft (703).

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