CN108247149A - Numerical control rotation divides milling machine - Google Patents

Abstract

The invention belongs to gear machining technology fields, more particularly to a kind of numerical control rotation divides milling machine, including lathe bed, the forepart side of lathe bed upper surface is provided with spindle box, opposite side is provided with Finial device, the rear portion of lathe bed upper surface is equipped with slide, cutter shaft system is provided on slide, the action of the spindle box, Finial device and cutter shaft system is controlled by digital control system；The present invention has the advantage that：Milling rib processing is carried out to workpiece two sides successively by the milling rib knife on cutter shaft, reduces processing times and process, avoids the error because repeatedly clamping generation, machining accuracy is more preferable.

Description

CNC rotary milling machine

technical field

The invention belongs to the technical field of gear processing, and in particular relates to a numerical control rotary splitting edge milling machine.

Background technique

Milling machine is a new type of gear processing machine tool. It has been widely used in the automobile industry, machinery manufacturing industry and other industries. The edge milling cutters used in the existing edge milling machines are expensive, and most of them are formed by extrusion. The processed gears will have bulges, the processing cost is high, and the processing range is narrow. If these burrs are not removed or the removal is not clean, the gears cannot be guaranteed. The processing accuracy will seriously affect the service function and life of the related devices.

Contents of the invention

The object of the present invention is to provide a numerically controlled rotary splitting edge milling machine with better machining accuracy.

The purpose of the present invention is achieved like this:

The CNC rotary splitting and edge milling machine includes a bed, one side of the front of the upper surface of the bed is provided with a spindle box, and the other side is provided with a top device, the rear of the upper surface of the bed is provided with a sliding seat, and the sliding seat is provided with a The cutter shaft system, the specific structure of the cutter shaft system is as follows: a slide table is slid on two vertical slide rails arranged side by side in the longitudinal direction on the slide seat, and the upper surface of the slide table is rotatably connected with a column, and the side of the column An upper slide and a lower slide are arranged to slide up and down at intervals on the vertical slide rail provided, and a tool slide is provided for sliding on the longitudinal slide provided on the upper slide and the lower slide, and a cutter shaft box is rotatably connected to the cutter slide. , The cutter shaft box is provided with a cutter shaft, and the milling cutter is installed on the cutter shaft, and the actions of the spindle box, the top device and the cutter shaft system are all controlled by the numerical control system.

In the above scheme, the specific structure that the column is rotatably connected to the slide table is as follows: the upper surface of the slide table is provided with a rotation center and an arc-shaped slide rail concentric with the rotation center, and the column is connected to the rotation center through a rotating shaft. , the slider set on the column slides on the curved slide rail.

In the above scheme, the specific structure that the cutter shaft box is rotatably connected to the tool slide seat is as follows: the tool slide seat is provided with a rotation center and a slide rail concentric with the rotation center, and the tool shaft box is connected on the On the center of rotation of the tool slide seat, the slide block provided on the cutter shaft box slides on the arc slide rail of the tool slide seat.

In the above scheme, the mounting base provided on the front side of the upper surface of the bed is provided with two transverse slide rails arranged side by side in the transverse direction, the headstock is slidably arranged on the transverse slide rails, and the headstock is provided with a connecting plate One end of the connecting plate extends to the other side of the front part of the upper surface of the bed, and the top device is slidably arranged in the chute provided on the connecting plate.

In the above scheme, the spindle box includes a box body, a stator and rotor arranged in the box, and a main shaft driven by the stator and rotor. One end of the main shaft extends out of the box for installing workpieces. The system is electrically connected, and its action is controlled by the numerical control system.

In the above solution, the sliding of the headstock on the transverse slide rails and the sliding of the slide table on the longitudinal slide rails are both driven by servo motors.

In the above scheme, the specific structure of the sliding of the spindle box on the transverse slide rail is as follows: a slider is slidably arranged on the transverse slide rail, a screw seat is arranged on the slide block, and the ball screw is arranged on the screw seat and is connected with the screw seat. The screw seat is matched and connected, the ball screw is connected with the servo motor and driven by the servo motor, the spindle box is installed on the slider, and the ball screw is driven by the servo motor to rotate to drive the slider and set on the slider The headstock slides back and forth along the transverse slide rails.

In the above solution, the specific structure of the sliding of the slide table on the longitudinal slide rail is: the slide table is provided with a screw seat, the ball screw is arranged on the screw seat and connected with the screw seat, the The ball screw is connected with the servo motor and driven by the servo motor. After the ball screw is driven by the servo motor to rotate, the sliding table and the column arranged on the sliding table are driven to slide back and forth along the longitudinal slide rail.

In the above solution, the power source of the cutter shaft is a servo motor, and the servo motor is installed on the cutter shaft box; or the cutter shaft is an electric spindle.

Compared with the prior art, the present invention has outstanding and beneficial technical effects as follows:

In the present invention, the cutter shaft system is controlled by the numerical control system, and the edge milling cutter on the cutter shaft performs milling on both sides of the workpiece in sequence, which reduces the number of processing times and procedures, avoids errors caused by multiple clamping, and has better processing accuracy; And the whole cutter shaft system adopts multi-axis linkage method, which makes the space adjustment range of the cutter shaft wide during the actual working process, and can process workpieces from different angles, making the processing more convenient; and the edge milling cutter uses alloy blades for cutting, and the edge milling cutter The strength is better; the whole milling process adopts the whirlwind cutting method to process the gear, which has higher work efficiency.

Description of drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention.

Fig. 2 is a schematic diagram of the three-dimensional structure of the present invention.

Figure 3 is a schematic diagram of the present invention.

Bed 100, servo motor 1, spindle box 2, top device 3, slide seat 4, longitudinal slide rail 5, slide table 6, column 7, vertical slide rail 8, upper slide plate 9, lower slide plate 10, tool slide seat 12 , Cutter shaft box 13, cutter shaft 14, edge milling cutter 16, mounting seat 17, transverse slide rail 18, connecting plate 19, chute 20, slide block 21, ball screw 22.

Detailed ways

The present invention will be further described below in conjunction with accompanying drawing with specific embodiment, referring to Fig. 1-3:

CNC rotary splitting and edge milling machine, including a bed 100, a spindle box 2 is arranged on one side of the upper surface of the bed 100, a top device 3 is arranged on the other side, and a sliding seat 4 is arranged on the rear of the upper surface of the bed 100 , the slide seat 4 is provided with a cutter shaft 14 system, and the specific structure of the cutter shaft 14 system is as follows: a slide table 6 is provided for sliding on two vertical slide rails 5 arranged side by side on the slide seat 4, and the slide table The sliding of 6 on the longitudinal slide rail 5 is driven by the servo motor 1. Preferably, the specific structure of sliding of the slide table 6 on the longitudinal slide rail 5 of the present invention is: the slide table 6 is provided with a screw seat, a ball One end of the screw rod 22 is arranged on the screw rod seat and connected with the screw rod seat, and the other end is connected with the servo motor 1 and driven by the servo motor 1. After the ball screw 22 is driven by the servo motor 1 to rotate, it drives the slide table 6 and sets The column 7 on the slide table 6 slides back and forth along the longitudinal slide rail 5 . The upper surface of the slide table 6 is rotatably connected with a column 7. Preferably, the specific structure that the column 7 of the present invention is rotatably connected to the slide table 6 is as follows: the upper surface of the slide table 6 is provided with a center of rotation and a slide that is concentric with the center of rotation. Rail, column 7 is connected on the center of rotation through rotating shaft rotation, and the slide block 21 that is provided with on column 7 slides and is arranged on the arc slide rail. The vertical slide rail 8 provided on the side of the column 7 is provided with an upper slide plate 9 and a lower slide plate 10 for sliding up and down at intervals, and a tool slide seat 12 is provided for sliding on the longitudinal slide rail 5 provided on the upper slide plate 9 and the lower slide plate 10. The tool slide 12 is rotatably connected with a cutter shaft box 13, the cutter shaft box 13 is provided with a cutter shaft 14, and the cutter shaft 14 is equipped with a milling cutter 16, wherein the power source of the cutter shaft 14 is the servo motor 1 or directly selected The electric spindle is used as the cutter shaft 14, preferably, the power source of the selected cutter shaft 14 in the present invention is a servo motor 1, and the servo motor 1 is installed on the cutter shaft box 13; the spindle box 2, the top device 3 and the cutter shaft system The movements are all controlled by the numerical control system.

In the above scheme, the specific structure in which the cutter shaft box 13 is rotatably connected to the tool slide 12 is as follows: the tool slide 12 is provided with a rotation center and an arc-shaped slide rail concentric with the rotation center, and the cutter shaft box 13 Connected to the center of rotation of the tool slide 12 through the rotation of the rotating shaft, the slide block 21 provided on the cutter shaft box 13 slides on the arc-shaped slide rail of the tool slide 12 .

In the above scheme, two horizontal slide rails 18 arranged side by side in the horizontal direction are arranged on the mounting seat 17 provided on the front side of the upper surface of the bed 100. The headstock 2 is slidably arranged on the horizontal slide rails 18, and The sliding of the box 2 on the transverse slide rail 18 is driven by the servo motor 1. Preferably, the specific structure of the sliding of the spindle box 2 on the transverse slide rail 18 of the present invention is: a slide block 21 is slidably provided on the transverse slide rail 18, and the slide The block 21 is provided with a screw seat, one end of the ball screw 22 is arranged on the screw seat and connected with the screw seat, and the other end is connected with the servo motor 1 and driven by the servo motor 1, and the spindle box 2 is installed on the On the slider 21 , the servo motor 1 drives the ball screw 22 to rotate, and then drives the slider 21 and the headstock 2 arranged on the slider 21 to slide back and forth along the transverse slide rail 18 . The outer wall of the spindle box 2 is provided with a connecting plate 19, one end of the connecting plate 19 extends to the other side of the front portion of the upper surface of the bed 100, and the top device 3 is slidably arranged on the chute provided on the connecting plate 19. within 20.

In the above scheme, the spindle box 2 includes a box, a stator and rotor arranged in the box, and a main shaft driven by the stator and rotor. One end of the main shaft extends out of the box for installing workpieces. It is electrically connected with the numerical control system, and its action is controlled by the numerical control system.

Operation process of the present invention:

The slide table slides back and forth on the longitudinal slide rail on the slide seat, the column rotates on the arc slide rail on the slide table, the upper slide plate and the lower slide plate slide on the vertical slide rail on the column, and the tool slide seat The sliding on the longitudinal slide rails of the upper slide and the lower slide, and the rotation of the tool shaft box on the arc slide rails on the tool slide are all controlled by the numerical control system, which has better machining accuracy, reduces the number of processing and processes, and The whole cutter shaft system adopts multi-axis linkage method, which makes the space adjustment range of the cutter shaft wide during the actual working process, and can process workpieces from different angles, which makes processing more convenient and work more efficient.

The foregoing embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. Therefore, all equivalent changes made according to the structures, shapes and principles of the present invention shall be covered by the protection of the present invention. within range.

Claims (9)

1. numerical control rotation divides milling machine, including lathe bed, the forepart side of lathe bed upper surface is provided with spindle box, opposite side is provided with top Sharp device, it is characterised in that：The rear portion of the lathe bed upper surface is equipped with slide, and cutter shaft system, cutter shaft system are provided on slide Concrete structure be：Two be equipped on slide slide in the longitudinal slide rail of arranged in parallel be provided with slide unit, slide unit along longitudinal direction Upper surface be rotatably connected and have column, on the upright slide rail that the side of column is equipped with up and down interval sliding be provided with upper slide and It is slided in the longitudinal slide rail that lower skateboard, upper slide and lower skateboard are equipped with and is provided with tool slider, rotatably connected on tool slider Cutter arbor box is connected to, cutter arbor box is equipped with cutter shaft, milling rib knife, the spindle box, Finial device and cutter shaft system are equipped on cutter shaft The action of system is controlled by digital control system.

2. numerical control rotation according to claim 1 divides milling machine, it is characterised in that：The column is rotatably connected on slide unit Concrete structure is：Slide unit upper surface is provided with rotation center and the arc-shaped slide rail set with rotation center concentric circles, column pass through Shaft rotation is connected on rotation center, and the sliding block set on column is slidably installed on arc-shaped slide rail.

3. numerical control rotation according to claim 1 divides milling machine, it is characterised in that：The cutter arbor box is rotatably connected on cutter slide Concrete structure on seat is：Rotation center and the sliding rail set with rotation center concentric circles, cutter arbor box are provided on tool slider It is connected on the rotation center of tool slider by what shaft rotated, the sliding block set on cutter arbor box is slidably installed in the arc of tool slider On shape sliding rail.

4. numerical control rotation according to claim 1 divides milling machine, it is characterised in that：The forepart side of the lathe bed upper surface is set The horizontal slide rail of two transversely arranged in parallel is set in some mounting bases, and spindle box is slidably arranged in horizontal slide rail, main shaft Connecting plate is provided on case, one end of connecting plate extends to the opposite side of the forepart of lathe bed upper surface, and the Finial device slides It is arranged in the sliding slot that connecting plate is equipped with.

5. numerical control rotation according to claim 1 divides milling machine, it is characterised in that：The spindle box includes babinet, is arranged on Rotor in babinet and the main shaft by rotor driving, one end of main shaft are stretched out outside babinet for erector's part, the main shaft Rotor in case is electrically connected with digital control system, and controls its action by digital control system.

6. numerical control rotation according to claim 1 divides milling machine, it is characterised in that：Cunning of the spindle box in horizontal slide rail Slip of the dynamic and slide unit in longitudinal slide rail is driven by servo motor.

7. numerical control rotation according to claim 6 divides milling machine, it is characterised in that：Cunning of the spindle box in horizontal slide rail Dynamic concrete structure is：It is slided in horizontal slide rail and is provided with sliding block, screw rodb base is provided on sliding block, ball screw is arranged on screw It seat and is connected with screw rodb base, the ball screw connect with servo motor and by the driving of servo motor, the spindle box On sliding block, with movable slider and the spindle box edge being arranged on sliding block after being rotated by servo motor driving ball screw Horizontal slide rail to slidably reciprocate.

8. numerical control rotation according to claim 6 divides milling machine, it is characterised in that：Slip of the slide unit in longitudinal slide rail Concrete structure be：Screw rodb base is provided on the slide unit, ball screw is arranged on screw rodb base and is connected with screw rodb base, institute Ball screw is stated to connect with servo motor and by the driving of servo motor, drive after driving ball screw rotation by servo motor Slide unit and the column being arranged on slide unit slidably reciprocate along longitudinal slide rail.

9. numerical control rotation according to claim 1 divides milling machine, it is characterised in that：The power source of the cutter shaft is servo electricity Machine, servo motor are mounted on cutter arbor box；Or the cutter shaft is electro spindle.