Milling cutter head capable of conveniently adjusting stations

Abstract

The invention relates to the technical field of numerical control machine tools, in particular to a milling cutter disc convenient for station adjustment, the bottom of a top disc box is fixedly connected with a milling cutter chassis, the outer side of the milling cutter chassis is provided with a grinding milling cutter, the interior of the top disc box is fixedly connected with a rotating outer ring, and the bottom of the rotating outer ring is fixedly connected with a co-position outer ring; an in-situ connecting ring is rotatably connected to the bottom of the in-situ outer ring, an in-situ inner ring is rotatably connected to the top of the in-situ connecting ring, and an adjusting moving ring is slidably clamped between the rotating outer ring and the inner rotating disc. Due to the design of the facing cutter, an operator is allowed to change the position and the angle of the cutter through simple mechanical adjustment, so that different machining requirements are met, the machining efficiency is improved, the downtime caused by cutter replacement is shortened, and the production cost is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of numerically controlled machine tools, in particular to a milling cutter disc which is convenient for adjusting work positions. Background Art

[0002] The milling cutter is a tool used for milling processing. It is usually composed of a cutter disc and multiple blades. It can be installed on a milling machine to perform cutting, engraving and forming of various materials according to different processing requirements. The selection of the milling cutter needs to consider factors such as processing materials, processing accuracy and processing efficiency.

[0003] In the prior art, the milling cutter disc is generally used to grind the plane first. However, some workpieces need to grind grooves or inner holes, which requires the milling cutter disc to have a certain adjustment ability to adapt to workpieces of different shapes. The traditional milling cutter disc adjustment method is relatively complicated and needs to be achieved by replacing different blades or adjusting the installation position of the blade, which is not only time-consuming but also inefficient. Therefore, the present invention provides a milling cutter disc that is easy to adjust the work position. Summary of the invention

[0004] The object of the present invention is to provide a milling cutter disc which is easy to adjust the working position, so as to solve the problems raised in the above background technology.

[0005] The technical solution of the present invention is: a milling cutter disc which is convenient for adjusting the working position, comprising a top disc box and a mounting disc, the bottom of the top disc box is fixedly connected to a milling cutter base disc, the outer side of the milling cutter base disc is installed with a grinding milling cutter, the interior of the top disc box is fixedly connected to a rotating outer ring, the bottom of the rotating outer ring is fixedly connected to a co-position outer ring, the bottom of the co-position outer ring is rotatably connected to a co-position connecting ring, the top of the co-position connecting ring is rotatably connected to a co-position inner ring, the top of the co-position inner ring is fixedly connected to an inner rotating disc, an adjusting movable ring is slidably connected between the rotating outer ring and the inner rotating disc, a bottom ring groove is provided on the inner side of the rotating outer ring, and the top of the bottom ring groove is fixedly connected to The outer side of the adjusting movable ring is fixedly connected with the bottom outer ring, the top of the bottom outer ring is fixedly connected with the bottom outer teeth, the outer side of the inner rotating disk is provided with a top ring groove, the bottom of the top ring groove is fixedly connected with the top outer teeth, the inner side of the adjusting movable ring is fixedly connected with the top inner ring, the bottom of the top inner ring is fixedly connected with the top inner teeth, the internal thread of the inner rotating disk is connected with an unfolding thread roller, the top of the adjusting movable ring is fixedly connected with a synchronous ring, the top of the unfolding thread roller is fixedly connected with a limited rotating plate, the limited rotating plate is slidably engaged with the inside of the synchronous ring, the bottom of the unfolding thread roller is fixedly connected with an unfolding pressure plate, the bottom of the inner rotating disk is fixedly connected with the top inner ring A limited position plug is fixedly connected, and the inner side of the milling cutter chassis is threadedly connected to the inner digging plate, and the limit plug is slidably engaged with the top of the inner digging plate; when in use: by controlling the rotation of the top plate box, the milling cutter chassis is controlled to rotate, so that the grinding milling cutter performs plane grinding, and by controlling the up and down movement of the synchronous ring, the up and down movement of the adjustment moving ring is controlled. When the adjustment moving ring is at the top, the outer bottom outer ring moves toward the bottom ring groove, so that the bottom outer teeth are engaged with the bottom inner teeth, and at the same time, the top inner ring on the inner side of the unfolding pressure plate moves upward, and the top inner teeth are separated from the top outer teeth. At this time, the top plate box and the rotating outer ring rotate, driving the adjustment moving ring to rotate, driving the limit rotating plate to rotate, and driving the unfolding thread The roller rotates and the inner turntable is fixed, so that the unfolding thread roller moves up and down along the thread, and the unfolding pressure plate moves up and down. When the adjusting moving ring is at the bottom, the top inner ring moves to the top ring groove, the top outer teeth engage with the top inner teeth, and the bottom outer teeth disengage from the bottom inner teeth. The adjusting moving ring is fixed to the inner turntable, and the inner digging plate is fixed. The rotation of the milling cutter chassis will threadably push the inner digging plate up and down. When the adjusting moving ring is in the middle position, the bottom outer teeth engage with the bottom inner teeth, and the top outer teeth engage with the top inner teeth, so that the rotating outer ring rotates synchronously with the inner turntable, so that the overall rotating outer ring rotates synchronously with the inner turntable, and the synchronous ring rotates synchronously at the same time, and the unfolding thread roller rotates, so that the entire structure rotates for grinding.

[0006] The cam is secured to the bottom of the inner plate and is engageable with the bottom plate of the second support bracket, the cam being engageable with the bottom plate of the second support bracket and engageable with the bottom plate of the second support bracket. The bottom of the gear roller is rotatably connected with four gear rollers, the bottom of the gear roller is rotatably connected with an installed inner disk, the rotating disk is rotatably connected to the top of the installed inner disk, the outer side of the gear roller is fixedly connected with an outer gear, the outer gear is meshed with the outer side of the rotating disk, and the outer gear is meshed with the inner side of the inner gear ring. The top of the synchronous ring is fixedly connected with a push connecting column, and the top of the push connecting column is fixedly connected with a push mounting ring, and the push connecting column is slidably engaged with the inner side of the mounting disk and the mounting inner disk; when in use: the up and down movement of the expansion pressure plate is pushed to push the up and down movement of the expansion mounting box, and the expansion adjustment block is moved along the inclined surface through the inclined surface of the inclined groove row, so that the two inner digging milling cutters are close to or away from each other, thereby adjusting the width of the groove or the diameter of the hole to be opened, and the up and down movement of the inner digging plate is controlled to adjust the depth of the groove and the hole, and the mounting plate is installed on the machine tool, the rotation of the rotating mounting seat is controlled by the installation motor, and the push of the mounting ring is controlled by the electric cylinder, so that the structure can be adjusted for grinding.

[0007] The present invention provides a milling cutter disc that is easy to adjust the working position through improvement. Compared with the prior art, it has the following improvements and advantages:

[0008] First, the present invention discloses a milling cutter disc that is easy to adjust the working position. By controlling the rotation of the top disc box, the milling cutter bottom disc is controlled to rotate, so that the grinding milling cutter performs plane grinding. By controlling the up and down movement of the synchronization ring, the up and down movement of the adjustment moving ring is controlled. When the adjustment moving ring is at the top, the bottom outer ring on the outside moves toward the bottom ring groove, so that the bottom outer teeth are engaged with the bottom inner teeth. At the same time, the top inner ring on the inner side of the unfolding pressure plate moves upward, and the top inner teeth are separated from the top outer teeth. At this time, the top disc box and the rotating outer ring rotate, which drives the adjustment moving ring to rotate, drives the limit rotating plate to rotate, drives the unfolding thread roller to rotate, and the inner rotating disc is fixed to enable the unfolding The thread roller moves up and down along the thread, causing the unfolding pressure plate to move up and down. When the adjusting moving ring is at the bottom, the top inner ring moves toward the top ring groove, the top outer teeth engage with the top inner teeth, and the bottom outer teeth disengage from the bottom inner teeth. The adjusting moving ring is fixed to the inner turntable, the inner digging plate is fixed, and the rotation of the milling cutter chassis will thread and push the inner digging plate up and down. When the adjusting moving ring is in the middle position, the bottom outer teeth engage with the bottom inner teeth, and the top outer teeth engage with the top inner teeth, causing the rotating outer ring to rotate synchronously with the inner turntable, causing the overall rotating outer ring to rotate synchronously with the inner turntable, and at the same time, the synchronous ring rotates synchronously, and the unfolding thread roller rotates, so that the entire structure rotates for grinding;

[0009] Second, the milling cutter disc of the present invention is easy to adjust the working position. By moving the expansion pressure plate up and down, the expansion installation box is pushed up and down. The expansion adjustment block is moved along the inclined surface of the inclined groove row to make the two inner-digging milling cutters approach or move away from each other, so as to adjust the width of the groove or the diameter of the hole to be opened. By controlling the inner-digging disc to move up and down, the depth of the groove and the hole is adjusted. By installing the installation disc on the machine tool, the rotation of the rotating mounting seat is controlled by the installation motor, and the electric cylinder controls the pushing of the installation ring, so that the structure can be adjusted for grinding.

[0010] Summary: The milling cutter disc with easy-to-adjust work position described in the present invention can realize the processing of grooves and holes of different sizes and shapes without changing the tool. The design of the milling cutter disc allows the operator to change the position and angle of the tool through simple mechanical adjustment to adapt to different processing requirements. This design not only improves the processing efficiency, but also reduces the downtime caused by changing the tool, thereby reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The present invention will be further explained below in conjunction with the accompanying drawings and embodiments:

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0013] Figure 2 It is a schematic diagram of the top tray box structure of the present invention;

[0014] Figure 3 It is a schematic diagram of the structure of the regulating moving ring of the present invention;

[0015] Figure 4 is a schematic cross-sectional view of the regulating movable ring of the present invention;

[0016] Figure 5 It is a schematic diagram of the structure of the installation disk of the present invention;

[0017] Figure 6 It is a schematic diagram of the inner digging plate structure of the present invention;

[0018] Figure 7 It is a schematic diagram of the structure of the unfolded installation box of the present invention;

[0019] Figure 8 It is a cross-sectional schematic diagram of the inner-dig plate of the present invention;

[0020] Fig. 9 It is a schematic diagram of the auxiliary installation column structure of the present invention;

[0021] Fig.10 It is a schematic diagram of the structure of the milling cutter chassis of the present invention.

[0022] Description of reference numerals:

[0023] 1. Top plate box; 2. Milling cutter bottom plate; 3. Grinding milling cutter; 4. Mounting plate; 5. Rotating mounting seat; 6. Pushing mounting ring; 7. Rotating outer ring; 8. Adjusting moving ring; 9. Inner turntable; 10. Unfolding thread roller; 11. Limiting turntable; 12. Top outer teeth; 13. Bottom outer ring; 14. Bottom outer teeth; 15. Bottom inner teeth; 16. Top inner ring; 17. Top inner teeth; 18. Unfolding pressure plate; 19. Same position outer ring ; 20. Co-positioned inner ring; 21. Co-positioned connecting ring; 22. Rotating disk; 23. Installing inner disk; 24. Gear roller; 25. External gear; 26. Pushing connecting column; 27. Synchronizing ring; 28. Limiting plug column; 29. ​​Inner digging disk; 30. Expanding lower disk; 31. Expanding installation box; 32. Limiting moving column; 33. Auxiliary installation column; 34. Expanding adjustment block; 35. Inner digging milling cutter; 36. Inner gear ring. DETAILED DESCRIPTION

[0024] The present invention is described in detail below, and the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] The present invention provides a milling cutter disc that is convenient for adjusting the working position through improvement. The technical solution of the present invention is:

[0026] like Figure 1-Figure 10As shown, a milling cutter disc which is convenient for adjusting the working position comprises a top disc box 1 and a mounting disc 4. The bottom of the top disc box 1 is fixedly connected with a milling cutter bottom disc 2, and a grinding milling cutter 3 is installed on the outer side of the milling cutter bottom disc 2. A rotating outer ring 7 is fixedly connected inside the top disc box 1. The bottom of the rotating outer ring 7 is fixedly connected with a co-position outer ring 19. The bottom of the co-position outer ring 19 is rotatably connected with a co-position connecting ring 21. The top of the co-position connecting ring 21 is rotatably connected with a co-position inner ring 20. The top of the co-position inner ring 20 is fixedly connected with an inner turntable 9. An adjusting movable ring 8 is slidably connected between the rotating outer ring 7 and the inner turntable 9. A bottom ring groove is provided on the inner side of the rotating outer ring 7. A bottom inner tooth 15 is fixedly connected on the top of the bottom ring groove. The outer side of the adjusting movable ring 8 is fixedly connected with The bottom outer ring 13, the top of the bottom outer ring 13 is fixedly connected with the bottom outer teeth 14, the outer side of the inner turntable 9 is provided with a top ring groove, the bottom of the top ring groove is fixedly connected with the top outer teeth 12, the inner side of the adjusting movable ring 8 is fixedly connected with the top inner ring 16, the bottom of the top inner ring 16 is fixedly connected with the top inner teeth 17, the inner thread of the inner turntable 9 is connected with the unfolding thread roller 10, the top of the adjusting movable ring 8 is fixedly connected with the synchronous ring 27, the top of the unfolding thread roller 10 is fixedly connected with the limited position rotating plate 11, the limited position rotating plate 11 is slidably connected to the inside of the synchronous ring 27, the bottom of the unfolding thread roller 10 is fixedly connected with the unfolding pressure plate 18, the bottom of the inner turntable 9 is fixedly connected with the limited position plug 28, the inner side of the milling cutter chassis 2 is connected with the inner digging plate 2 9, the limit plug 28 is slidably engaged with the top of the inner digging plate 29; when in use: by controlling the rotation of the top plate box 1, the milling cutter bottom plate 2 is controlled to rotate, so that the grinding milling cutter 3 performs plane grinding, and by controlling the up and down movement of the synchronization ring 27, the up and down movement of the adjustment moving ring 8 is controlled. When the adjustment moving ring 8 is at the top, the outer bottom outer ring 13 moves toward the bottom ring groove, so that the bottom outer teeth 14 and the bottom inner teeth 15 are engaged, and at the same time, the top inner ring 16 on the inner side of the unfolding pressure plate 18 moves upward, and the top inner teeth 17 are separated from the top outer teeth 12. At this time, the top plate box 1 and the rotating outer ring 7 rotate, driving the adjustment moving ring 8 to rotate, driving the limit rotating plate 11 to rotate, driving the unfolding thread roller 10 to rotate, and the inner turntable 9 is fixed to unfold the thread roller. 10 moves up and down along the thread, so that the unfolding pressure plate 18 moves up and down. When the adjusting movable ring 8 is at the bottom, the top inner ring 16 moves to the top ring groove, the top outer teeth 12 engage with the top inner teeth 17, and the bottom outer teeth 14 disengage from the bottom inner teeth 15. The adjusting movable ring 8 is fixed to the inner turntable 9, and the inner digging plate 29 is fixed. The rotation of the milling cutter chassis 2 will threadably push the inner digging plate 29 up and down. When the adjusting movable ring 8 is in the middle position, the bottom outer teeth 14 engage with the bottom inner teeth 15, and the top outer teeth 12 engage with the top inner teeth 17, so that the rotating outer ring 7 rotates synchronously with the inner turntable 9, so that the overall rotating outer ring 7 rotates synchronously with the inner turntable 9, and the synchronous ring 27 rotates synchronously, and the unfolding thread roller 10 rotates, so that the entire structure rotates for grinding.

[0027] Furthermore, the bottom of the unfolding pressure plate 18 is rotatably connected with an unfolding lower plate 30, and the bottom of the unfolding lower plate 30 is fixedly connected with an unfolding installation box 31, which is slidably connected to the inside of the inner digging plate 29, and six limit moving columns 32 are fixedly connected to the inside of the inner digging plate 29, and two auxiliary installation columns 33 are slidably connected to the inside of the inner digging plate 29, and the auxiliary installation columns 33 are respectively located on both sides of the unfolding installation box 31, and the auxiliary installation columns 33 are respectively slidably connected with the three limit moving columns 32, and oblique groove rows are opened on both sides of the unfolding installation box 31. The inclined grooves on both sides of the unfolding installation box 31 are in opposite directions, and the auxiliary installation column 33 is fixedly connected to the side adjacent to the unfolding installation box 31 with an unfolding adjustment block 34, the unfolding adjustment block 34 is slidably engaged with the inside of the inclined groove row, and the auxiliary installation column 33 is slidably engaged with the bottom of the inner digging plate 29, and an inner digging milling cutter 35 is fixedly installed on the opposite side of the bottom of the two auxiliary installation columns 33, an inner gear ring 36 is fixedly connected to the inside of the top plate box 1, and the inner side of the installation plate 4 is fixedly rotatably connected to the rotating plate 22, and the top of the rotating plate 22 is fixedly connected to the rotating mounting seat 5, The bottom of the mounting plate 4 is rotatably connected with four gear rollers 24, the bottom of the gear rollers 24 is rotatably connected with the mounting inner plate 23, the rotating plate 22 is rotatably connected to the top of the mounting inner plate 23, the outer side of the gear roller 24 is fixedly connected with an outer gear 25, the outer gear 25 meshes with the outer side of the rotating plate 22, the outer gear 25 meshes with the inner side of the inner gear ring 36, the top of the synchronous ring 27 is fixedly connected with a push connecting column 26, the top of the push connecting column 26 is fixedly connected with a push mounting ring 6, the push connecting column 26 is slidably connected to the mounting plate 4 and the mounting inner plate 23 When in use: by moving the unfolding pressure plate 18 up and down, the unfolding installation box 31 is pushed up and down, and the unfolding adjustment block 34 is moved along the inclined surface through the inclined surface of the inclined groove row, so that the two inner digging milling cutters 35 are close to or away from each other, thereby adjusting the width of the required groove or the diameter of the hole, and by controlling the inner digging plate 29 to move up and down, the depth of the groove and the hole is adjusted, and the mounting plate 4 is installed on the machine tool, and the rotating mounting seat 5 is controlled by the installation motor to rotate, and the electric cylinder controls the push of the mounting ring 6, so that the structure can be adjusted for grinding.

[0028] Working principle: When in use: by controlling the top plate box 1 to rotate, the milling cutter bottom plate 2 is controlled to rotate, so that the grinding milling cutter 3 performs plane grinding, and by controlling the up and down movement of the synchronization ring 27, the up and down movement of the adjustment moving ring 8 is controlled. When the adjustment moving ring 8 is at the top, the outer bottom outer ring 13 moves toward the bottom ring groove, so that the bottom outer teeth 14 and the bottom inner teeth 15 are engaged, and at the same time, the top inner ring 16 on the inner side of the unfolded pressure plate 18 moves upward, and the top inner teeth 17 are separated from the top outer teeth 12. At this time, the top plate box 1 and the rotating outer ring 7 rotate, driving the adjusting movable ring 8 to rotate, driving the limiting rotating plate 11 to rotate, driving the unfolding thread roller 10 to rotate, and the inner rotating plate 9 is fixed, so that the unfolding thread roller 10 moves up and down along the thread, and the unfolding pressure plate 18 moves up and down. When the adjusting movable ring 8 is at the bottom, the top inner ring 16 moves toward the top ring groove, the top outer teeth 12 are engaged with the top inner teeth 17, and the bottom outer teeth 14 are disengaged from the bottom inner teeth 15. The adjusting movable ring 8 is fixed to the inner rotating plate 9, and the inner excavating plate 2 9 is fixed, and the rotation of the milling cutter chassis 2 will threadably push the inner digging disc 29 to move up and down. When the adjusting moving ring 8 is in the middle position, the bottom outer teeth 14 are engaged with the bottom inner teeth 15, and the top outer teeth 12 are engaged with the top inner teeth 17, so that the rotating outer ring 7 and the inner turntable 9 rotate synchronously, so that the overall rotating outer ring 7 and the inner turntable 9 rotate synchronously, and the synchronous ring 27 rotates synchronously, and the unfolding thread roller 10 rotates, so that the entire structure rotates for grinding, and the up and down movement of the unfolding pressure plate 18 is pushed to move the unfolding installation box 31 up and down, and the unfolding adjustment block 34 is moved along the inclined surface through the inclined surface of the inclined groove row, so that the two inner digging milling cutters 35 are close to or away from each other, so as to adjust the width of the groove or the diameter of the hole to be opened, and the depth of the groove and the hole is adjusted by controlling the up and down movement of the inner digging disc 29, and the mounting plate 4 is installed on the machine tool, and the rotating mounting seat 5 is controlled by the installation motor to rotate, and the electric cylinder controls the push of the mounting ring 6, so that the structure can be adjusted for grinding.

[0029] The above description enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A milling cutter disc with easy adjustment of working positions, comprising a top disc box (1) and a mounting disc (4), characterized in that: The bottom of the top plate box (1) is fixedly connected to a milling cutter base plate (2), the outer side of the milling cutter base plate (2) is installed with a grinding milling cutter (3), the interior of the top plate box (1) is fixedly connected to a rotating outer ring (7), the bottom of the rotating outer ring (7) is fixedly connected to a co-located outer ring (19), the bottom of the co-located outer ring (19) is rotatably connected to a co-located connecting ring (21), the top of the co-located connecting ring (21) is rotatably connected to a co-located inner ring (20), the top of the co-located inner ring (20) is fixedly connected to an inner rotating disk (9), the rotating outer ring (7) and the inner rotating disk (9) are rotatably connected to each other. ) are slidably connected with an adjusting movable ring (8), the inner side of the rotating outer ring (7) is provided with a bottom ring groove, the top of the bottom ring groove is fixedly connected with a bottom inner tooth (15), the outer side of the adjusting movable ring (8) is fixedly connected with a bottom outer ring (13), the top of the bottom outer ring (13) is fixedly connected with a bottom outer tooth (14), the outer side of the inner rotating disk (9) is provided with a top ring groove, the bottom of the top ring groove is fixedly connected with a top outer tooth (12), the inner side of the adjusting movable ring (8) is fixedly connected with a top inner ring (16), the bottom of the top inner ring (16) is fixedly connected with a top inner tooth (17).

2. A milling cutter disc with easy adjustment of working position according to claim 1, characterized in that: The inner thread of the inner turntable (9) is connected to an unfolding thread roller (10), the top of the adjusting movable ring (8) is fixedly connected to a synchronous ring (27), the top of the unfolding thread roller (10) is fixedly connected to a limit rotating plate (11), the limit rotating plate (11) is slidably engaged with the inside of the synchronous ring (27), and the bottom of the unfolding thread roller (10) is fixedly connected to an unfolding pressure plate (18).

3. A milling cutter disc with easy adjustment of working position according to claim 2, characterized in that: The bottom of the inner rotating disk (9) is fixedly connected with a limit plug post (28), the inner side of the milling cutter chassis (2) is threadedly connected with an inner digging disk (29), and the limit plug post (28) is slidably engaged with the top of the inner digging disk (29).

4. A milling cutter disc with easy adjustment of working position according to claim 3, characterized in that: The bottom of the unfolding pressure plate (18) is rotatably connected to an unfolding lower plate (30), and the bottom of the unfolding lower plate (30) is fixedly connected to an unfolding installation box (31). The unfolding installation box (31) is slidably engaged with the inside of the inner excavated plate (29). Six limit movable columns (32) are fixedly connected to the inside of the inner excavated plate (29). Two auxiliary installation columns (33) are slidably engaged with the inside of the inner excavated plate (29). The auxiliary installation columns (33) are respectively located on both sides of the unfolding installation box (31). The auxiliary installation columns (33) are respectively slidably engaged with the three limit movable columns (32). The two sides of the unfolding installation box (31) are provided with oblique groove rows, and the oblique groove rows on the two sides of the unfolding installation box (31) are in opposite directions. The auxiliary installation column (33) is fixedly connected to an unfolding adjustment block (34) on the side adjacent to the unfolding installation box (31), and the unfolding adjustment block (34) is slidably engaged with the inside of the oblique groove row.

5. A milling cutter disc with easy adjustment of working position according to claim 4, characterized in that: The auxiliary mounting columns (33) are slidably engaged with the bottom of the inner digging plate (29), and an inner digging milling cutter (35) is fixedly mounted on opposite sides of the bottoms of the two auxiliary mounting columns (33).

6. A milling cutter disc with easy adjustment of working position according to claim 2, characterized in that: The interior of the top disk box (1) is fixedly connected to an inner gear ring (36); the inner side of the mounting disk (4) is fixedly rotatably connected to a rotating disk (22); the top of the rotating disk (22) is fixedly connected to a rotating mounting seat (5); the bottom of the mounting disk (4) is rotatably connected to four gear rollers (24); the bottom of the gear rollers (24) is rotatably connected to an inner mounting disk (23); the rotating disk (22) is rotatably connected to the top of the inner mounting disk (23); the outer side of the gear rollers (24) is fixedly connected to an outer gear (25); the outer gear (25) is meshed with the outer side of the rotating disk (22); and the outer gear (25) is meshed with the inner side of the inner gear ring (36).

7. A milling cutter disc with easy adjustment of working position according to claim 6, characterized in that: The top of the synchronization ring (27) is fixedly connected with a push connection column (26), the top of the push connection column (26) is fixedly connected with a push installation ring (6), and the push connection column (26) is slidably engaged with the inner side of the installation disk (4) and the installation inner disk (23).

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