Milling head for machining ball screw

Abstract

The utility model discloses a milling head for machining a ball screw, and belongs to the technical field of ball screw machining. The device mainly comprises a shell; the cutting device comprises a cutting assembly and an adjusting assembly, the adjusting assembly comprises a first support and a second support, a cavity and a rotating groove are formed in the first support, and rotating rods are rotationally installed in the first support and the second support; one side of each mounting plate is connected with one end of the corresponding rotating rod, and the other side of each mounting plate is connected with the shell; the half worm gear is fixedly arranged on one set of rotating rods in a sleeving mode, and the half worm gear is located in the cavity; the worm and the worm bearing are installed in the rotating groove, and the worm is connected with the half worm gear in a meshed mode; the hexagon bolt is arranged at one end of the worm, and one end of the hexagon bolt extends out of the top of the first support. According to the milling head for machining the ball screw, through the arrangement of the adjusting assembly, the angle of the cutter head can be adjusted in the face of a complex process, so that the machining requirement is met, and the effect of adjusting the angle of the cutter head is achieved.

Description

TECHNICAL FIELD

[0001] The application relates to the ball screw machining technical field, in particular to a ball screw milling head. BACKGROUND

[0002] The milling head is an important part of the machine tool accessory. In the machining of the screw rod, the commonly used milling head is a cyclone milling head, which is a kind of milling tool specially used for machining the screw rod. The working principle is that the workpiece is cut by the high-speed rotating milling cutter to achieve the purpose of machining thread, groove and other shapes.

[0003] In the prior art, when the screw rod is machined, the lever to be machined is fixed on the machine tool, then one end of the lever is inserted into the cutter head, the cutter of the cutter head is located on the surface of the lever, and the lever is gradually passed through the cutter head through the machine tool, and the motor is started synchronously to drive the cutter head to rotate, so as to drive the cutter to groove on the surface of the lever.

[0004] However, the angle of the cutter head cannot be adjusted when the lever is cut in the prior art, so that the machining requirements of different positions on the surface of the screw rod cannot be met when the screw rod with complex shape or high precision requirement needs to be machined.

[0005] Therefore, it is necessary to provide a ball screw milling head to solve the above problems.

[0006] It should be noted that the above information disclosed in the background section is only used to understand the background of the application concept, and therefore, it can contain information which does not constitute prior art. SUMMARY

[0007] Based on the above problems existing in the prior art, the application aims to provide a ball screw milling head to adjust the angle of the cutter head.

[0008] The technical scheme adopted by the application to solve the technical problems is: a ball screw milling head, comprising a shell; a cutting assembly arranged on the shell; an adjusting assembly arranged on the shell, the adjusting assembly comprising: a first support located on one side of the shell, the inside of the first support being provided with a cavity and a rotating groove respectively, the rotating groove and the cavity being communicated; a second support located on the other side of the shell, the inside of the first support and the second support being rotatably installed with a rotating rod; two groups of mounting plates, one side of the mounting plate being connected with one end of the rotating rod, the other side of the mounting plate being connected with the shell; a half worm gear, the half worm gear being fixedly sleeved on one of the rotating rods, the half worm gear being located in the inside of the cavity; a worm, the worm being installed in the inside of the rotating groove, the worm being meshed with the half worm gear; a hexagonal bolt, the hexagonal bolt being arranged at one end of the worm, one end of the hexagonal bolt extending out of the top of the first support.

[0009] Further, the second support is provided with an encoder, an output end of the encoder is connected with the rotating rod, the encoder is provided with a signal transmitter, the encoder is electrically connected with the signal transmitter, and the signal transmitter is connected with the PLC system.

[0010] Further, the second support is provided with two groups of clamps, the clamps are provided with adjusting wrenches inside.

[0011] Further, the cutting assembly comprises a motor installed above the shell, an output end of the motor extends into the interior of the shell, and a second synchronous wheel is fixedly sleeved on the output end of the motor.

[0012] Further, a through hole is formed in the lower part of the shell, a first synchronous wheel is installed on the through hole through a bearing, a belt is drivenly arranged on the first synchronous wheel and the second synchronous wheel, and a cutter head is installed on the first synchronous wheel.

[0013] Further, the centers of the cutter head and the first synchronous wheel are hollow.

[0014] The machining ball screw milling head provided by the application has the advantages that the angle of the cutter head can be adjusted to meet the machining requirements and achieve the effect of adjusting the angle of the cutter head when facing complex processes, through the arrangement of the adjusting assembly.

[0015] In addition to the purposes, features and advantages described above, the application has other purposes, features and advantages. The application will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings accompanying the specification of the application form a part of the application and serve to provide further understanding of the application, the illustrative embodiments of the application and its description serve to explain the application, and do not constitute an improper limitation on the application. In the drawings:

[0017] Figure 1 Fig. 1 is a schematic diagram of the machining ball screw milling head according to the application;

[0018] Figure 2 Fig. 2 is a schematic diagram of the machining ball screw milling head according to the application from another perspective; Figure 1 Fig. 3 is a schematic diagram of the machining ball screw milling head according to the application from another perspective;

[0019] Figure 3 Fig. 4 is a schematic diagram of the machining ball screw milling head according to the application from another perspective; Figure 1 Fig. 5 is a schematic diagram of the machining ball screw milling head according to the application from another perspective;

[0020] In the drawings, various reference signs represent:

[0021] 1, shell;

[0022] 2, cutting assembly; 21, motor; 22, cutter head; 23, first synchronous wheel; 24, belt; 25, second synchronous wheel;

[0023] 3, adjusting assembly; 31, first support; 301, second support; 32, rotating rod; 321, mounting plate; 33, hex bolt; 34, encoder; 35, signal transmitter; 36, worm; 37, worm gear; 38, cavity; 39, rotating groove;

[0024] 4, clamp; 41, adjusting wrench; 42, elastic part; 43, fixed part. DETAILED DESCRIPTION

[0025] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The technical solutions in the embodiments of the present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0026] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should be within the scope of protection of the present application.

[0027] As shown in the drawings, the present application provides a machining ball screw milling head, which comprises a shell 1, and a cutting assembly 2 is arranged on the shell 1, which is used for slotting operation of a lever, specifically: Figures 1-2

[0028] The cutting assembly 2 comprises a motor 21 fixedly installed above the shell 1, the output end of the motor 21 extends into the inside of the shell 1, and a second synchronous wheel 25 is fixedly sleeved on the output end of the motor 21, at the same time, a through hole (not marked in the drawing) is arranged through the lower part of the shell 1, a first synchronous wheel 23 is installed on the through hole through a bearing, and a belt 24 is drivenly arranged on the first synchronous wheel 23 and the second synchronous wheel 25, and a cutter head 22 is fixedly installed on the first synchronous wheel 23, the inner side of the cutter head 22 can be installed with a blade;

[0029] It should be noted that the centers of the cutter head 22 and the first synchronous wheel 23 are both hollow, and the cutter head 22 is a prior art, which will not be described in detail here, so that the lever to be machined can be inserted through the centers of the cutter head 22 and the first synchronous wheel 23, and the lever can be gradually pushed towards the centers thereof;

[0030] ​Meanwhile, the cutting edges of the blades installed on the cutter head 22 can be in contact with the surface of the lever to be machined, and then under the driving of the motor 21, the cutter head 22 is driven to rotate through the cooperation of the first synchronous wheel 23, the second synchronous wheel 25 and the belt 24, so as to cut the lever, and as the lever is gradually pushed forward, the cutter head 22 can cut the surface of the whole lever;

[0031] Meanwhile, the housing 1 is provided with an adjusting assembly 3 for adjusting the angle of the housing 1;

[0032] As shown in Figures 1-2 The adjusting assembly 3 comprises first and second supports 31 and 301 arranged on the two sides of the housing 1, and a rotating rod 32 is rotatably installed on each of the first and second supports 31 and 301, one end of the rotating rod 32 is fixedly installed with a mounting plate 321, and the mounting plate 321 is fixedly connected with the housing 1, a half worm gear 37 is fixedly sleeved on one of the rotating rods 32, and the first support 31 is internally provided with a cavity 38 matched with the half worm gear 37, and the half worm gear 37 is located in the cavity 38 so as to rotate in the cavity 38;

[0033] A rotating groove 39 is formed in the first support 31 and communicates with the cavity 38, and a worm 36 is bearingly installed in the rotating groove 39, the worm 36 is in meshing connection with the half worm gear 37, so as to be driven to rotate under the action of an external force, and drive the half worm gear 37 to rotate, thereby rotating the rotating rod 32 and the mounting plate 321 to realize the rotation of the cutter head 22, and then the angle of the cutter head 22 can be quickly adjusted;

[0034] It should be noted that the half worm gear 37 is not a complete worm gear 37, so the number of teeth of the half worm gear 37 is less than that of the complete worm gear 37, thereby limiting the angle of rotation of the worm gear 37 within a certain range, so as to limit the adjustment range of the angle of the cutter head 22;

[0035] A hexagonal bolt 33 is arranged on the worm 36, one end of the hexagonal bolt 33 extends out of the top of the first support 31, so that when it is necessary to adjust the angle of the cutter head 22, the hexagonal bolt 33 can be rotated by a special wrench, thereby realizing the quick adjustment of the angle of the cutter head 22;

[0036] As shown in Figure 3 An encoder 34 is fixedly installed on the second support 301, the output end of the encoder 34 is connected with the rotating rod 32, and the encoder 34 has a signal transmitter 35, the encoder 34 is electrically connected with the signal transmitter 35, the signal transmitter 35 is connected with a PLC system, and then when the rotating rod 32 rotates, the angular displacement thereof is converted into an electric signal, and the electric signal is sent to the PLC system through the signal transmitter 35;

[0037] Meanwhile, two groups of clamps 4 are fixedly installed on the second support 301, the clamps 4 are provided with fixing parts 43 suitable for installation, the fixing parts 43 can be installed on the second support 301 through screws or bolts, and the fixing parts 43 are provided with elastic parts 42, the elastic parts 42 can be close to or away from the fixing parts 43 under the action of external force, and when close to the fixing parts 43, a circle is formed, the inside of the circle is provided with an adjusting wrench 41, so as to store the adjusting wrench 41;

[0038] It should be noted that the elastic part 42 has a gap between one end and the fixing part 43, the gap is convenient for the adjusting wrench to be put in or taken out;

[0039] In summary, in use, the shell 1 can be installed on the machine tool through the two groups of supports, then the lever to be processed is fixed on the machine tool, and one end of the lever extends into the inside of the cutter head 22, so that the cutter of the cutter head 22 is in contact with the surface of the lever, then the machine tool is controlled to drive the lever to move gradually, so that the lever gradually penetrates the cutter head 22, and the cutting assembly 2 is started to drive the cutter head 22 to rotate, so as to cut and groove the lever;

[0040] When facing some complex processes, the angle of the cutter head 22 needs to be adjusted, the adjusting wrench 41 is taken out and sleeved on the hexagonal bolt 33, the adjusting wrench 41 is rotated to drive the hexagonal bolt 33 to rotate, the worm 36 is driven to rotate, the half worm gear 37 is driven to rotate, so as to drive the shell 1 to rotate, and then drive the cutter head 22 to rotate.

[0041] The above only describes the preferred embodiments of the present application and is not used to limit the present application, for those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A machining ball screw head, characterized by: Include: The shell (1); Cutting assembly (2), the cutting assembly (2) is provided on the shell (1); Adjusting assembly (3), the adjusting assembly (3) is provided on the shell (1), the adjusting assembly (3) comprises: The first support (31) is located on one side of the shell (1), and the inner part of the first support (31) is respectively provided with a cavity (38) and a rotating groove (39), and the rotating groove (39) and the cavity (38) are communicated; The second support (301) is located on the other side of the shell (1), and the inner part of the first support (31) and the second support (301) is rotatably installed with a rotating rod (32); Two groups of mounting plates (321), one side of the mounting plate (321) is connected with one end of the rotating rod (32), and the other side of the mounting plate (321) is connected with the shell (1); Half worm gear (37), the half worm gear (37) is fixedly sleeved on one of the rotating rods (32), and the half worm gear (37) is located in the cavity (38); Worm (36), the worm (36) is bearing mounted in the rotating groove (39), and the worm (36) is engaged with the half worm gear (37); Hexagonal bolt (33), the hexagonal bolt (33) is provided at one end of the worm (36), and one end of the hexagonal bolt (33) extends out of the top of the first support (31).

2. The machining ball screw head according to claim 1, wherein: The second support (301) is provided with an encoder (34), and the output end of the encoder (34) is connected with the rotating rod (32). The encoder (34) has a signal transmitter (35) thereon, and the encoder (34) is electrically connected with the signal transmitter (35). The signal transmitter (35) is connected with the PLC system.

3. The machining ball screw head according to claim 1, wherein: Two groups of clamps (4) are installed on the second support (301), and the inner part of the clamp (4) is provided with an adjusting wrench (41).

4. The machining ball screw head according to claim 1, wherein: The cutting assembly (2) comprises a motor (21) installed above the shell (1), the output end of the motor (21) extends into the inner part of the shell (1), and the output end of the motor (21) is fixedly sleeved with a second synchronous wheel (25).

5. The machining ball screw head according to claim 4, wherein: A through hole is provided below the shell (1), a first synchronous wheel (23) is bearing mounted in the through hole, a belt (24) is drivingly provided on the first synchronous wheel (23) and the second synchronous wheel (25), and a cutter head (22) is installed on the first synchronous wheel (23).

6. The machining ball screw head according to claim 5, wherein: The centers of the cutter head (22) and the first synchronous wheel (23) are hollow.

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