CN202087966U - Four-axle four-linkage inverted milling composite processing device - Google Patents

Abstract

A four-axis four-linkage inverted turning-milling compound processing device belongs to the technical field of numerical control machine tool manufacturing. The main technical scheme of the utility model is: the bed is placed horizontally, the slide plate is installed on the X guide rail of the bed, the sliding column saddle is installed on the Y guide rail of the slide plate, and the inverted spindle unit is installed on the Z guide rail at the front end of the saddle. The spindle box unit and the main motor, and the power turret are fixed on the lower left side of the bed. This processing device replaces the manipulator with an inverted spindle unit, which realizes the material grabbing of the inverted spindle unit and the four-axis four-linkage turning-milling compound processing. The overall structure is compact, the parts processing is highly automated and continuous, and the production efficiency is high. Operation Low labor intensity, good processing quality, especially suitable for processing various discs and sleeve parts.

Description

Four-axis four-linkage inverted turning and milling compound processing device

technical field

A four-axis four-linkage inverted turning-milling compound processing device belongs to the technical field of numerical control machine tool manufacturing. This device is oriented to the automatic processing of mechanical parts, mainly for turning and milling composite processing of discs and sleeve parts, and has the advantages of humanization, high efficiency and high precision. the

Background technique

At present, although independent upright lathes and independent upright lathes have played a positive role in improving the machining accuracy and production efficiency of parts in the processing of disc and sleeve parts, but due to the upright and upright lathes and upside down The lathe adopts an independent structure design. When the blank has multiple surfaces that need to be processed or processed in a composite process, it needs to be manually adjusted or transferred to the corresponding machine tool for processing, which not only reduces the processing efficiency, but also increases the labor load of the operator. , It also reduces the degree of continuous operation, which makes it difficult to guarantee the accuracy of processed parts. the

Contents of the invention

The purpose of the present invention is to solve the problems and defects of the independent upright lathe and the independent inverted lathe in the above-mentioned prior art, and to design a kind of inverted turning and milling compound based on the independent inverted turning lathe and having the combined processing function of turning and milling. The processing device can achieve the purpose of improving the automation level and continuous level of CNC machine tool production and processing, improving the production efficiency of parts processing, reducing the labor intensity of operators, ensuring the quality of product processing, and reducing the cost of parts processing. the

The basic design of the present invention is: the slide plate realizes X moving to the left and right on the bed; the slide saddle realizes Y moving forward and backward on the slide plate; The spindle box of the spindle unit; the power turret is fixed on the lower left side of the bed; the automatic feeding mechanism is installed on the right front side of the bed as an independent feeding unit; finally, the four axes of X, Y, Z and C are realized. Four-axis linkage turning and milling compound machining. the

The invention avoids the shortcomings of the independent upright lathe and the independent inverted lathe, realizes multi-process processing, grabs and puts back the processed parts, does not need repeated clamping in the whole process, and improves the processing efficiency. It reduces the labor intensity of the staff, further ensures the processing quality of the workpiece, reduces the production cost and processing cycle of the workpiece, and is especially suitable for the use of various discs, sleeves and multi-process processing parts. the

Description of drawings

Fig. 1 is a schematic front view of the present invention's overall assembly structure;

Fig. 2 is the left view of overall assembly structure schematic diagram of the present invention;

Description of part number in the picture:

1. Hydraulic chuck, 2. Inverted spindle unit, 3. Encoder, 4. Z-direction linear guide rail pair, 5. Rotary oil cylinder, 6. Z-direction ball screw pair, 7. Z-direction servo motor, 8. Main shaft Box, 9. Inverted main motor, 10. X-direction linear guide rail pair, 11. Power turret, 12. X-direction servo motor, 13. Counterweight system sprocket mechanism, 14. Counterweight system guide rail mechanism, 15. Distribution Heavy block, 16, slide saddle, 17, Y direction linear guide rail pair, 18, slide plate, 19, Y direction servo motor, 20, Y direction ball screw pair, 21, lathe bed. the

Detailed ways

Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. the

The overall layout of the present invention: the device belongs to the cross-sliding column type spindle inverted turning and milling compound processing device. The bed 21 is placed horizontally, and the X-direction linear guide rail pair 10 is installed on the top guide rail surface of the bed 21 . A ball screw is used for transmission between the two linear guide rails, and the X-direction servo motor 12 is installed on the left side of the bed 21, and the ball screw is driven to rotate through a plum blossom coupling. the

The slide plate 18 is installed on the X-direction linear guide rail pair 10, and the Y-direction linear guide rail pair 17 is installed on the top guide rail surface of the slide plate 18. Ball screw transmission is selected between the two linear guide rails, and the Y-direction servo motor 19 is installed on the rear side of the slide plate 18, and the ball screw is driven to rotate through the plum blossom coupling. The bottom of the slide plate 18 is connected with the screw nut seat and connected with the X-direction ball screw pair as a whole, and moves left and right along the X-direction linear guide rail at high speed under the drive of the X-direction servo motor 12 . the

The column type sliding saddle 16 is installed on the Y-direction linear guide rail pair 17, and the middle cavity of the sliding saddle 16 is equipped with a counterweight 15. The counterweight system sprocket mechanism 13 is installed on the top of the saddle 16, the counterweight system guide rail mechanism 14 is installed on the left and right sides of the counterweight block 15, the Z-direction linear guide rail pair 4 is installed on the front side guide rail surface of the sliding saddle 16, and the Z-direction guide rail is selected between the two guide rails. The ball screw pair 6 drives, and the Z-direction servo motor 7 is installed on the front part of the top of the saddle 16 . The bottom of the saddle 16 is connected with the nut base and is connected with the Y-direction ball screw pair 20 as a whole, and moves back and forth at high speed along the Y-direction linear guide rail pair 17 under the drive of the Y-direction servo motor 19 . the

An inverted main motor 9 is installed in the square opening on the left side of the spindle box 8, an inverted main shaft unit 2 is installed in the center hole on the right side, a rotary oil cylinder 5 is installed on the upper end of the inverted main shaft unit 2, and a hydraulic chuck 1 is installed on the lower end of the inverted main shaft unit 2. The inverted spindle unit 2 replaces the manipulator to realize taking and discharging. Encoder 3 is installed on the front side plane of spindle box 8, synchronous belt pulley is installed on encoder 3 and inverted main shaft unit 2, inverted main shaft unit 2 and main motor 9, and the movement is transmitted through high-efficiency synchronous belt to realize hydraulic chuck 1 Rotate 360° around the Z axis to form the C axis. The rear plane of the main shaft box 8 is connected with the screw nut seat and connected with the ball screw as a whole, and moves up and down along the Z-direction linear guide pair 4 under the drive of the Z-direction servo motor 7 . the

The power tool turret 11 is installed on the lower left side of the bed 21, and the power tool holder is driven by the DC motor of the power turret. The tool rotates to make the workpiece move relative to the tool, and milling is performed on the end face and the arc surface of the workpiece. When processing the workpiece, the worker places the workpiece blank at the loading position, and rotates the top tray to lock the workpiece. After being transported to the loading position, the travel switch of the loading mechanism feeds back the signal to the system, and the system stops the motor and reducer of the loading mechanism. And send instruction to X to servomotor 12 simultaneously, drive ball screw pair to drive slide plate 18 to move to the right, slide plate 18 drives slide saddle 16 and main shaft box 8 to move together. After arriving at the designated loading position, send a command to the Y-direction servo motor 19, drive the Y-direction ball screw pair 20 to drive the saddle 16 to move back and forth, find the position of feeding and at the same time send a command to the Z-direction servo motor 7 to drive the Z-direction The ball screw pair 6 drives the headstock 8 to move downwards. During this process, the jaws of the hydraulic chuck 1 are opened, aligned with the loading tray mechanism, and the workpiece is pressed and the chuck 1 is closed to grab the workpiece. The processing area where the turret 11 is located is then subjected to turning, milling, drilling, boring or combined processing of turning and milling according to the instructions of the pre-programmed processing program. After the processing is completed, the inverted spindle unit 2 returns to the feeding position along the X direction with the processed parts, and the hydraulic chuck 1 is released to put down the processed workpieces. Then send an instruction to the motor of the feeding mechanism to move the workpiece blank of the next station clockwise to the feeding position, and repeat the previous process to complete the processing of the next workpiece. At the unloading position, the processed workpiece is manually assisted to remove, and a new workpiece blank is placed for the next batch of processing. So far, the present invention completes all processing steps. the

Claims (5)

1. four-shaft four-linkage inversion type turnning and milling complex machining device, comprise X to, Y to, Z to feeding and the rotation of C axle, it is characterized in that: slide plate (18) lathe bed (21) go up realize X left, move right; Saddle (16) is gone up at slide plate (18) and is realized that Y moves to forward and backward; Saddle (16) front end has been installed the main spindle box (8) that comprises spindle motor (9) and inversion type main axle unit (2) that moves up and down along Z; Power cutter tower (11) then is packed in lathe bed (21) lower-left side; Automatic feed mechanism is installed on the forward right side of lathe bed (21) as feeding unit material independently; Final X-axis, Y-axis, Z axle and the C axle four-shaft four-linkage turnning and milling Compound Machining of realizing.

2. four-shaft four-linkage inversion type turnning and milling complex machining device according to claim 1, it is characterized in that: lathe bed (21) top processing guide pass, the X that installation is parallel to each other is to linear guides pair (10), slide plate (18) is installed on the linear guides slide block, and be connected cooperation to ball screw assembly, by nut seat with X, at X to the driving lower edge of servomotor (12) X to linear guides pair (10) move left and right.

3. four-shaft four-linkage inversion type turnning and milling complex machining device according to claim 1, it is characterized in that: slide plate (18) top processing guide pass, the Y that installation is parallel to each other is to linear guides pair (17), saddle (16) is installed on the linear guides slide block, and be connected cooperation to ball screw assembly, (20) by nut seat with Y, move forward and backward to linear guides pair (17) to the driving lower edge of servomotor (19) Y at Y.

4. four-shaft four-linkage inversion type turnning and milling complex machining device according to claim 1, it is characterized in that: inversion type main axle unit (2) is installed in the centre bore of main spindle box (8) right side, spindle motor (9) is installed in main spindle box (8) the square perforate that is positioned at inversion type main axle unit (2) left side, inversion type main axle unit (2) transmits motion with spindle motor (9) by being with synchronously, and inversion type main axle unit (2), main motor (9) are assembled into one with main spindle box (8); The Z that the installation of saddle (16) forward track machined surface is parallel to each other is to linear guides pair (4), main spindle box (8) is installed on the linear guides slide block, and be connected cooperation to ball screw assembly, (6) by nut seat with Z, move up and down to linear guides pair (4) to the driving lower edge of servomotor (7) Z at Z.

5. four-shaft four-linkage inversion type turnning and milling complex machining device according to claim 1, it is characterized in that: angling cylinder (5) is installed in inversion type main axle unit (2) upper end, oild chuck (1) is installed in the lower end, and oild chuck (1) holding workpiece around 360 ° of rotations of Z axle, becomes the C axle voluntarily.

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