Angle-adjustable face milling cutter of milling machine

Abstract

The utility model relates to the technical field of cutters, and discloses an angle-adjustable face milling cutter of a milling machine, which comprises a support, a dovetail groove is arranged on the inner wall of the top end of the support, a dovetail block is slidably connected to the inner wall of the dovetail groove, a transverse plate is arranged at the bottom end of the dovetail block, a fixed seat is arranged at the top end of the transverse plate, and a gear motor is arranged on the front side of the fixed seat. The inner wall of the fixing base is rotationally connected with an adjusting rod through a sealing bearing, and a driving frame is arranged on the surface of the adjusting rod. The gear motor drives the adjusting rod to rotate by a certain angle, the adjusting rod can drive the driving frame to rotate, the driving frame rotates by a certain angle with the adjusting rod as the circle center, the driving frame drives the milling cutter to rotate by a certain angle through the face milling rod and the mounting base, the milling cutter is made to incline, and therefore the face milling angle of the milling cutter is changed and adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of cutters, in particular to an angle-adjustable milling cutter for a milling machine. Background Art

[0002] A milling machine is a machine tool that uses a milling cutter to process the surface of a workpiece. When using a milling machine, the milling cutter mainly moves in rotation, and the movement of the workpiece and the milling cutter is the feed motion. It can process planes, grooves, various curved surfaces, gears, etc.

[0003] Among them, the "milling tool" disclosed in the application number "CN202022425604.4" "comprises a base, a gearbox and a main bearing seat arranged at both ends of the base, the gearbox and the main bearing seat are connected by a main shaft, and a plurality of milling cutter discs are arranged at intervals on the main shaft, and milling cutter blades are arranged at the edges of the plurality of milling cutter discs. A milling tool disclosed in the utility model can perform multiple processing surfaces on a workpiece and process multiple workpieces at the same time through the blades on multiple milling cutter discs, which greatly improves the production efficiency and meets the requirements of mass production for processing efficiency."

[0004] However, the above method still has the following defects: when milling the workpiece, only the position of the milling cutter in the horizontal direction can be simply adjusted, and the milling angle of the milling cutter cannot be adjusted. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides an angle-adjustable milling cutter for a milling machine, which has the advantage of adjusting the milling angle of the milling cutter and solves the problems raised by the above-mentioned background technology.

[0006] The utility model provides the following technical scheme: an angle-adjustable milling cutter for a milling machine comprises a bracket, an inner wall at the top end of the bracket is provided with a dovetail groove, the inner wall of the dovetail groove is slidably connected with a dovetail block, the bottom end of the dovetail block is provided with a cross plate, the top end of the cross plate is provided with a fixed seat, the front of the fixed seat is provided with a reduction motor, the inner wall of the fixed seat is rotatably connected with an adjusting rod through a sealed bearing, the surface of the adjusting rod is provided with a driving frame, the inner wall of the driving frame is provided with a milling motor, the inner wall of the driving frame is rotatably connected with a milling rod through a sealed bearing, one end of the milling rod is respectively provided with a mounting seat and a milling cutter, a measuring component is provided on one side of the bracket, and a lifting component is provided at the bottom end of the bracket.

[0007] As a preferred technical solution of the utility model, the reduction motor is a forward and reverse motor, the transmission shaft of the reduction motor is connected to one end of the adjusting rod, a stop block is provided on the front of the fixed seat, the stop block is sleeved on the outside of the reduction motor, and the top end of the horizontal plate is slidably connected to the bottom end of the bracket.

[0008] As an optimal technical solution of the utility model, the transmission shaft of the milling motor is connected to the other end of the milling rod through a coupling, the mounting seat is arranged at one end of the milling rod, and the milling cutter is arranged on the inner wall of the mounting seat through a locking nut.

[0009] As a preferred technical solution of the utility model, the measuring assembly includes a sleeve, which is arranged on the back of the fixed seat, and a full-circle protractor is provided at one end of the sleeve. A through hole is opened on the surface of the full-circle protractor, and the inner wall of the sleeve is rotatably connected to a connecting rod through a sealed bearing.

[0010] As a preferred technical solution of the utility model, one end of the connecting rod passes through the back of the fixing seat and the back of the driving frame in sequence and is connected to the other end of the adjusting rod, and the other end of the connecting rod passes through the through hole and is provided with a pointer.

[0011] As a preferred technical solution of the utility model, the inner wall of the dovetail groove is rotatably connected to a transmission screw through a sealed bearing, the contact part of the transmission screw and the dovetail block is threadedly connected through a screw nut, and a feed motor is provided on one side of the bracket, the feed motor is a forward and reverse motor, and the transmission shaft of the feed motor is connected to one end of the transmission screw.

[0012] As a preferred technical solution of the utility model, the lifting assembly includes a lifting shell, which is arranged at the bottom end of the bracket, the inner wall of the lifting shell is slidably connected with a fixed shell, the bottom end of the fixed shell is provided with a base, and a telescopic cylinder is provided between the base and the bracket.

[0013] As a preferred technical solution of the utility model, a plurality of heat dissipation grooves are provided on the surface of the lifting shell and the surface of the fixed shell, and mounting holes are provided on the four corners of the base.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The angle-adjustable milling cutter of the milling machine drives the adjusting rod to rotate a certain angle through the reduction motor, and the adjusting rod drives the driving frame to rotate. The driving frame rotates a certain angle with the adjusting rod as the center. The driving frame drives the milling cutter to rotate a certain angle through the milling rod and the mounting seat, causing the milling cutter to tilt, thereby changing the milling angle of the adjusting milling cutter.

[0016] 2. The angle-adjustable milling cutter of the milling machine drives the connecting rod to rotate by rotating the adjusting rod, and the connecting rod drives the pointer to rotate. The rotation angles of the three are the same. The user faces the back of the full-circle protractor and reads the rotation angle of the fixed seat by observing the direction of the pointer in the full-circle protractor range, which is convenient for the user to measure when the adjusted angle is forgotten. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of the fixing seat of the utility model from top view;

[0020] Figure 4 For this utility model Figure 3 A is an enlarged structural diagram;

[0021] Figure 5 It is a schematic diagram of the exploded structure of the measuring component of the utility model.

[0022] In the figure: 1. bracket; 2. dovetail groove; 3. dovetail block; 4. cross plate; 5. fixed seat; 6. measuring assembly; 61. sleeve; 62. full circle protractor; 63. through hole; 64. connecting rod; 65. pointer; 7. lifting assembly; 71. lifting shell; 72. fixed shell; 73. base; 74. telescopic cylinder; 75. heat sink; 8. reduction motor; 9. adjustment rod; 10. drive frame; 11. milling motor; 12. milling rod; 13. mounting seat; 14. milling cutter; 15. transmission screw; 16. feed motor; 17. stopper. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Please refer to Figure 5, the angle-adjustable milling tool for a milling machine includes a bracket 1, a dovetail groove 2 is provided on the inner wall at the top of the bracket 1, a dovetail block 3 is slidably connected to the inner wall of the dovetail groove 2, the dovetail block 3 will slide horizontally along the inner wall of the dovetail groove 2, a cross plate 4 is fixedly provided at the bottom end of the dovetail block 3, a fixed seat 5 is fixedly provided at the top of the cross plate 4, a reduction motor 8 is fixedly provided on the front of the fixed seat 5, an adjusting rod 9 is rotatably connected to the inner wall of the fixing seat 5 through a sealed bearing, a driving frame 10 is fixedly provided on the surface of the adjusting rod 9, a milling motor 11 is fixedly provided on the inner wall of the driving frame 10, a milling rod 12 is rotatably connected to the inner wall of the driving frame 10 through a sealed bearing, a mounting seat 13 and a milling cutter 14 are respectively provided at one end of the milling rod 12, a measuring assembly 6 is provided on one side of the bracket 1, a lifting assembly 7 is provided at the bottom end of the bracket 1, and the reduction motor 8 is used to drive the adjusting rod 9.

[0025] The reduction motor 8 is a forward and reverse motor, and the transmission shaft of the reduction motor 8 is fixedly connected to one end of the adjusting rod 9. A stopper 17 is fixedly provided on the front of the fixing seat 5, and the stopper 17 is sleeved on the outside of the reduction motor 8. The stopper 17 can block flying debris and protect the reduction motor 8. The top end of the cross plate 4 is slidably connected to the bottom end of the bracket 1.

[0026] The transmission shaft of the milling motor 11 is fixedly connected to the other end of the milling rod 12 through a coupling, the mounting seat 13 is fixedly set at one end of the milling rod 12, and the milling cutter 14 is fixedly set on the inner wall of the mounting seat 13 through a locking nut. The milling motor 11 drives the milling cutter 14 to rotate through the milling rod 12 and the mounting seat 13 to realize the milling cutter 14. The milling cutter 14 and the mounting seat 13 are separated by removing the locking nut, which is convenient for replacing the milling cutter 14.

[0027] The measuring assembly 6 includes a sleeve 61, which is fixedly arranged on the back of the fixing seat 5. A full-circle protractor 62 is fixedly arranged at one end of the sleeve 61. A through hole 63 is opened on the surface of the full-circle protractor 62. The inner wall of the sleeve 61 is rotatably connected to a connecting rod 64 through a sealed bearing. When the adjusting rod 9 rotates, it drives the connecting rod 64 to rotate by the same angle.

[0028] One end of the connecting rod 64 passes through the back side of the fixing seat 5 and the back side of the driving frame 10 in sequence and is fixedly connected to the other end of the adjusting rod 9. The contact parts of the connecting rod 64, the fixing seat 5 and the driving frame 10 are all slidably connected so that the connecting rod 64 rotates at the same angle as the adjusting rod 9 rotates. The other end of the connecting rod 64 passes through the through hole 63 and is fixedly provided with a pointer 65. The connecting rod 64 drives the pointer 65 to rotate a certain angle. Through the pointer 65 and the full-circle protractor 62, the angle of rotation of the fixing seat 5 with the adjusting rod 9 as the center can be measured, which is convenient for the user to measure when the adjusted angle is forgotten.

[0029] The inner wall of the dovetail groove 2 is rotatably connected with a transmission screw 15 through a sealed bearing, and the contact part of the transmission screw 15 and the dovetail block 3 is threadedly connected through a screw nut. A feed motor 16 is fixedly provided on one side of the bracket 1. The feed motor 16 is a forward and reverse motor. The transmission shaft of the feed motor 16 is fixedly connected to one end of the transmission screw 15. When the feed motor 16 is started, the feed motor 16 drives the transmission screw 15 to rotate, and the transmission screw 15 drives the dovetail block 3 to move. The dovetail block 3 pushes the fixed seat 5 to move through the cross plate 4 to adjust the distance between the milling cutter 14 and the workpiece.

[0030] The lifting assembly 7 includes a lifting shell 71, which is fixedly arranged at the bottom end of the bracket 1. The inner wall of the lifting shell 71 is slidably connected with a fixed shell 72. A base 73 is fixedly arranged at the bottom end of the fixed shell 72. A telescopic cylinder 74 is fixedly arranged between the base 73 and the bracket 1. When the telescopic cylinder 74 is started, the telescopic cylinder 74 is extended and extends and pushes the bracket 1 to move upward, thereby raising the height of the milling cutter 14. When the bracket 1 moves upward, it drives the lifting shell 71 to move upward. The lifting shell 71 slides along the surface of the fixed shell 72. The fixed shell 72 guides the movement of the bracket 1 through the lifting shell 71 and reduces the radial load of the telescopic end of the telescopic cylinder 74. The fixed shell 72 cooperates with the lifting shell 71 to block flying debris and protect the telescopic cylinder 74.

[0031] A plurality of heat dissipation grooves 75 are provided on the surface of the lifting shell 71 and the surface of the fixed shell 72, and mounting holes are provided at the four corners of the base 73. The heat dissipation grooves 75 facilitate the contact between the telescopic cylinder 74 and the external airflow, and the heat dissipation grooves 75 are provided on the side away from the milling cutter 14.

[0032] When in use, start the reduction motor 8, the reduction motor 8 drives the adjusting rod 9 to rotate a certain angle, the adjusting rod 9 drives the driving frame 10 to rotate, the driving frame 10 rotates a certain angle with the adjusting rod 9 as the center, the driving frame 10 will drive the milling cutter 14 to rotate a certain angle through the milling surface rod 12 and the mounting seat 13, so as to cause the milling cutter 14 to tilt, thereby changing the milling surface angle of the adjustment milling cutter 14, further, the rotating adjusting rod 9 drives the connecting rod 64 to rotate, and the connecting rod 64 drives the pointer 65 to rotate, and the rotation angles of the three are the same. The user faces the back of the full-circle protractor 62, and reads the rotation angle of the fixing seat 5 by observing the direction of the pointer 65 in the measuring range of the full-circle protractor 62, so as to facilitate the user to measure when the adjusted angle is forgotten.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An angle-adjustable milling cutter for a milling machine, comprising a bracket (1), characterized in that: The inner wall of the top end of the bracket (1) is provided with a dovetail groove (2), the inner wall of the dovetail groove (2) is slidably connected with a dovetail block (3), the bottom end of the dovetail block (3) is provided with a transverse plate (4), the top end of the transverse plate (4) is provided with a fixed seat (5), the front of the fixed seat (5) is provided with a reduction motor (8), the inner wall of the fixed seat (5) is rotatably connected with an adjustment rod (9) through a sealed bearing, the surface of the adjustment rod (9) is provided with a driving frame (10), the inner wall of the driving frame (10) is provided with a milling motor (11), the inner wall of the driving frame (10) is rotatably connected with a milling rod (12) through a sealed bearing, one end of the milling rod (12) is respectively provided with a mounting seat (13) and a milling cutter (14), a measuring component (6) is provided on one side of the bracket (1), and a lifting component (7) is provided at the bottom end of the bracket (1).

2. The angle-adjustable milling cutter for a milling machine according to claim 1, characterized in that: The reduction motor (8) is a forward and reverse motor, the transmission shaft of the reduction motor (8) is connected to one end of the adjustment rod (9), a stopper (17) is provided on the front of the fixing seat (5), and the stopper (17) is sleeved on the outside of the reduction motor (8), and the top end of the cross plate (4) is slidably connected to the bottom end of the bracket (1).

3. The angle-adjustable milling cutter for a milling machine according to claim 1, characterized in that: The transmission shaft of the milling motor (11) is connected to the other end of the milling rod (12) through a coupling, the mounting seat (13) is arranged at one end of the milling rod (12), and the milling cutter (14) is arranged on the inner wall of the mounting seat (13) through a locking nut.

4. The angle-adjustable milling cutter for a milling machine according to claim 1, characterized in that: The measuring assembly (6) comprises a sleeve (61) which is arranged on the back of the fixing seat (5); a full-circle protractor (62) is arranged at one end of the sleeve (61); a through hole (63) is opened on the surface of the full-circle protractor (62); and a connecting rod (64) is rotatably connected to the inner wall of the sleeve (61) via a sealed bearing.

5. The angle-adjustable milling cutter for a milling machine according to claim 4, characterized in that: One end of the connecting rod (64) passes through the back side of the fixing seat (5) and the back side of the driving frame (10) in sequence and is connected to the other end of the adjusting rod (9); the other end of the connecting rod (64) passes through the through hole (63) and is provided with a pointer (65).

6. The angle-adjustable milling cutter for a milling machine according to claim 1, characterized in that: The inner wall of the dovetail groove (2) is rotatably connected to a transmission screw (15) via a sealed bearing, and the contact portion of the transmission screw (15) and the dovetail block (3) is threadedly connected via a screw nut. A feed motor (16) is provided on one side of the bracket (1), and the feed motor (16) is a forward and reverse motor. The transmission shaft of the feed motor (16) is connected to one end of the transmission screw (15).

7. The angle-adjustable milling cutter for a milling machine according to claim 1, characterized in that: The lifting assembly (7) comprises a lifting shell (71), the lifting shell (71) being arranged at the bottom end of the bracket (1), the inner wall of the lifting shell (71) being slidably connected with a fixed shell (72), the bottom end of the fixed shell (72) being provided with a base (73), and a telescopic cylinder (74) being provided between the base (73) and the bracket (1).

8. The angle-adjustable milling cutter for a milling machine according to claim 7, characterized in that: The surface of the lifting shell (71) and the surface of the fixed shell (72) are both provided with a plurality of heat dissipation grooves (75), and the four corners of the base (73) are each provided with mounting holes.

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