CN202490943U - Double-tool-rest actuating mechanism of lathe and multifunctional numerical control lathe adopting same - Google Patents

Abstract

The utility model discloses a lathe double-turret actuator and a multifunctional numerically controlled lathe using the mechanism. The utility model is based on the existing numerically controlled lathe actuator, and is installed side by side on one side of a circular section turning slide table in parallel. The non-circular cross-section turning slide that moves perpendicular to the axis of the lathe spindle is guided and assembled on the non-circular cross-section turning slide. The servo tool holder that is driven by a linear motor and moves along the direction perpendicular to the axis of the lathe spindle is used when processing non-circular cross-section workpieces The linear motor on the non-circular section turning slide table drives the servo tool post to reciprocate at high speed to realize the turning processing of non-circular section workpieces. The lathe has a simple structure and does not need to make any changes to the existing flat bed structure of ordinary CNC lathes. The working slide realizes the installation of the double turret of the lathe, which not only improves the economy and adaptability of the product, but also ensures the convenience of installation, use and debugging of the lathe double turret actuator because it does not need to change the existing lathe structure. , and save the development cost of the lathe.

Description

Lathe Double Turret Actuating Mechanism and Multifunctional CNC Lathe Adopting the Mechanism

technical field

The utility model relates to a numerically controlled lathe, in particular to a double-turret actuator of the lathe capable of processing non-circular cross-section workpieces such as pistons of internal combustion engines and a multifunctional numerically controlled lathe using the actuator.

Background technique

Existing ordinary CNC lathes mainly include a bed, a workpiece drive box with a lathe spindle inside, a work slide that is guided and slidably assembled on the bed to move along the axis of the lathe spindle, and a work slide that is guided and assembled on the bed in a direction perpendicular to the axis of the lathe spindle. Both the working slide and the tool slide are driven by the corresponding servo motor through the screw nut transmission mechanism to move along the guide rail. This kind of CNC lathe can only process circular cross-section workpieces, while for non-circular cross-section Workpieces, such as high-speed internal combustion engine pistons, cannot be machined due to the limitations of servo motors and lead screw nut transmission mechanisms in terms of machining capacity and machining accuracy.

Utility model content

The purpose of the utility model is to provide a lathe double-turret actuator to solve the problem that the existing numerical control lathe cannot process non-circular cross-section workpieces.

The technical solution of the lathe double tool post actuator is: a lathe double tool post actuator, including a working slide for guiding and assembling on the lathe bed along the axis direction of the lathe spindle, and guiding and assembling on the working slide A circular cross-section turning slide that moves perpendicular to the axis of the lathe spindle, on which a rotary lathe tool holder is installed, and on the working slide, it is also juxtaposed with the circular cross-section turning slide A non-circular cross-section turning slide table for moving in a direction perpendicular to the axis of the lathe spindle is installed in parallel, and a servo tool holder for moving in a direction perpendicular to the axis of the lathe spindle is installed on the non-circle cross-section turning slide by a linear motor. The stator of the linear motor is fixed on the non-circular section turning slide table, and the servo tool rest is fixedly installed on the mover of the linear motor.

The linear motor is a cylindrical linear motor, and the cylindrical linear motor is fixedly installed on the connecting plate vertically fixed on the non-circular section turning slide table through its cylindrical stator, and the servo tool holder is fixed on the The end of the cylindrical linear motor mover away from the connecting plate.

A guide groove is provided at the bottom of the servo tool holder along its moving direction, and a linear guide rail that is slidably matched with the guide groove is fixed on the non-circular section turning slide table.

Both the non-circular cross-section turning slide and the circular cross-section turning slide cooperate with the corresponding fixed linear guide rails on the working slide through the dovetail groove provided at the bottom.

The rotary lathe tool post is a universal four-station rotary automatic tool change tool post.

At the same time, the utility model also provides a multifunctional numerically controlled lathe equipped with the above-mentioned lathe double turret actuator. The workpiece drive box and the lathe actuator installed with cutting tools, the lathe actuator includes a guide that moves back and forth along the axis of the lathe spindle. Equipped with a circular cross-section turning slide, a rotary lathe tool holder is installed on the circular cross-section turning slide, and on the working slide, parallel to the circular cross-section turning slide, a A non-circular cross-section turning slide that moves in the direction of the lathe spindle axis, on which a linear motor is installed on the non-circular cross-section turning slide for moving in a direction perpendicular to the lathe spindle axis. The stator of the linear motor is fixed on a non-circular On the circular cross-section turning slide table, the servo tool holder is fixedly installed on the mover of the linear motor.

The linear motor is a cylindrical linear motor, and the cylindrical linear motor is fixedly installed on the connecting plate vertically fixed on the non-circular section turning slide table through its cylindrical stator, and the servo tool holder is fixed on the The end of the cylindrical linear motor mover away from the connecting plate.

A guide groove is provided at the bottom of the servo tool holder along its moving direction, and a linear guide rail that is slidably matched with the guide groove is fixed on the non-circular section turning slide table.

The rotary lathe tool post is a universal four-station rotary automatic tool change tool post.

Both the non-circular cross-section turning slide and the circular cross-section turning slide cooperate with the corresponding fixed linear guide rails on the working slide through the dovetail groove provided at the bottom.

On the basis of the existing CNC lathe executive mechanism, the utility model installs the non-circular section turning slide table in parallel on one side of the circular section turning slide table and moves along the direction perpendicular to the lathe spindle axis, and the non-circular section turning slide table The upper guide assembly is driven by a linear motor to move the servo tool holder in the direction perpendicular to the axis of the lathe spindle, forming a double tool holder structure. When processing circular cross-section workpieces, the circular cross-section turning slide table is used, and when the non-circular cross-section workpiece is processed, the non-circular cross-section is used. The circular section turning slide table uses the high-frequency response characteristics of the linear motor to drive the servo tool post to reciprocate at high speed, thereby realizing the turning processing of non-circular section workpieces. The lathe has a simple structure and does not need to make any changes to the existing ordinary CNC lathe flat bed structure. , using the existing flat bed working slide table to realize the installation of the double turrets of the lathe, which not only improves the economy and adaptability of the product, but also ensures the installation of the lathe double turret actuators, The convenience of use and debugging saves the development cost of the lathe.

Description of drawings

Fig. 1 is the structural representation of the specific embodiment of multifunctional numerically controlled lathe in the utility model;

Fig. 2 is a schematic perspective view of the three-dimensional structure of the lathe actuator in Fig. 1 .

Detailed ways

The specific embodiment of the multifunctional numerical control lathe of the present invention is shown in Figure 1. The bed 1 of the numerical control lathe is fixedly equipped with a workpiece drive box 2 with a lathe spindle inside and a lathe actuator for installing cutting tools. Among them, the lathe actuator includes a working slide 3 installed on one side of the workpiece drive box through the guide rail fixed on the bed 1 and moving along the axis of the lathe spindle. A tool slide that moves in the direction of the spindle of a lathe, wherein the tool slide near the workpiece drive box 2 is a non-circular section turning slide 4, and the tool slide away from the workpiece drive box 2 is a circular section turning slide 5 . In this embodiment, as shown in Figure 2, the non-circular cross-section turning slide 4 is guided and slidably assembled on the corresponding linear guide rail 7 on the working slide 3 through the dovetail groove opened at the bottom, and the circular cross-section turning slide 5 passes through the bottom The opened dovetail groove is guided and slidably assembled on the corresponding linear guide rail 10 on the working slide 3, and two servo drives are installed on one side of the working slide 3 corresponding to the non-circular section turning slide 4 and the circular section turning slide 5 respectively. Motors 6 and 9, wherein, the non-circular section turning slide table 4 is connected to the servo motor 6 through a correspondingly provided screw nut transmission mechanism 8, and the circular section turning slide table 5 is connected to the other through a correspondingly provided screw nut transmission mechanism 11. A servo motor 9 is connected in transmission. A universal four-station rotary automatic tool change tool holder is fixedly installed on the circular cross-section turning slide table 5, and four lathe tools can be fixedly installed on the tool holder through screws, and the tool can be automatically rotated and changed according to needs. The four-station rotary automatic tool changer is the prior art, and will not be repeated here. The circular cross-section turning slide 5 is driven by the corresponding servo motor 9 and the screw nut transmission mechanism 11 to reciprocate along the direction perpendicular to the spindle of the lathe. Move, mainly used for the turning processing of ordinary circular cross-section workpieces; on the non-circular cross-section turning slide table 4, a linear motor 42 reciprocating along the direction perpendicular to the lathe spindle is installed. In this embodiment, the linear motor 42 adopts BOB circle Cylindrical linear motor, the cylindrical stator of the linear motor 42 is fixed on the non-circular cross-section turning slide 4, a servo tool rest 43 is installed at the end of the mover of the linear motor 42, and a turning tool rest 43 is arranged on the top of the servo tool rest 43. The tool installation station can be fixedly installed with a turning tool. The lower part of the servo tool holder 43 is guided and slidably matched with the linear guide rail provided on the non-circular section turning slide table 4 through the dovetail groove. Driven by the corresponding servo motor 6 and linear motor 42, the servo tool holder 43 can be driven to perform linear motion or high-frequency micro-displacement motion in the direction perpendicular to the lathe spindle, or superposition of the two motions, mainly for realizing Turning of circular cross-section workpieces.

The lathe double-turret actuator of the utility model is mainly composed of a working slide 3 guided and assembled on the bed along the direction of the axis of the lathe spindle and two tool slides mounted on the work slide along a direction perpendicular to the axis of the lathe spindle. Among the two tool slides, the one close to the workpiece drive box 2 is a non-circular section turning slide 4, and the one away from the workpiece drive box 2 is a circular section turning slide 5. The specific structure has been described in detail in the above-mentioned embodiments. description and will not be repeated here.

The CNC lathe for non-circular cross-section workpieces of the utility model has simple structure, stable transmission, stable and reliable operation of the double-turret actuators of the lathe, and can effectively ensure precise control of tool displacement, and the CNC lathe does not need to modify the flat bed structure of the existing common CNC lathe Without any modification, it can realize the installation of double tool holders only by using the installation position of the existing flat bed working slide table. According to the processing needs, different slide tables can be used to realize the processing of circular cross-section workpieces and non-circular cross-section workpieces, which fully improves The economy and adaptability of the CNC lathe are improved. At the same time, because the CNC lathe of the present invention does not change the structure of the existing lathe, it not only ensures the convenience of installation, use and debugging of the double tool rest of the machine tool, but also saves the CNC lathe. The development cost of the lathe.

Claims (10)

1. A lathe double turret actuator, including a working slide for guiding and assembling on the lathe bed along the axis of the lathe spindle, and a circular slide for moving in a direction perpendicular to the axis of the lathe spindle is guided and assembled on the working slide. The cross-section turning slide table is equipped with a rotary lathe tool holder on the circular cross-section turning slide table. A non-circular cross-section turning slide that moves in the direction of the lathe spindle axis, on which a linear motor is installed on the non-circular cross-section turning slide for moving along a direction perpendicular to the lathe spindle axis. The stator of the linear motor is fixed on On the non-circular section turning slide table, the servo tool rest is fixedly installed on the mover of the linear motor. 2. The lathe double turret actuator according to claim 1, wherein the linear motor is a cylindrical linear motor, and the cylindrical linear motor is fixedly mounted on a non-circular cross section through its cylindrical stator. On the connecting plate fixed vertically on the turning slide, the servo tool holder is fixed on the end of the cylindrical linear motor mover away from the connecting plate. 3. According to claim 1 or 2, the lathe double turret actuator is characterized in that a guide groove is provided at the bottom of the servo turret along its moving direction, and a non-circular cross-section turning slide is fixed with a guide groove. A linear guide that slides in cooperation with the guide groove. 4. The double turret actuator of a lathe according to claim 1, characterized in that, both the non-circular cross-section turning slide and the circular cross-section turning slide are connected to the corresponding fixed position on the working slide through the dovetail groove provided at the bottom. The set linear guide slide guide fits. 5 . The lathe double tool post actuator according to claim 1 , wherein the rotary lathe tool post is a universal four-station rotary automatic tool change tool post. 5 . 6. A multifunctional numerically controlled lathe, comprising a bed, a workpiece drive box with a lathe spindle inside, and a lathe actuator equipped with a cutting tool, the lathe actuator includes a guide that moves back and forth along the axis of the lathe spindle and is assembled on the bed The working slide table is equipped with a circular cross-section turning slide table on the work slide table along the direction perpendicular to the axis of the lathe spindle, and a rotary lathe tool holder is installed on the circular cross-section turning slide table. It is characterized in that, in the The above-mentioned working slide table is also equipped with a non-circular section turning slide table parallel to the circular section turning slide table and moves along the direction perpendicular to the axis of the lathe spindle. A linear motor is installed on the non-circular section turning slide table. The servo tool holder moves along the direction perpendicular to the axis of the main shaft of the lathe, the stator of the linear motor is fixed on the non-circular section turning slide table, and the servo tool holder is fixedly installed on the mover of the linear motor. 7. The multi-kinetic energy non-circular cross-section workpiece CNC lathe according to claim 6, wherein the linear motor is a cylindrical linear motor, and the cylindrical linear motor is fixedly mounted on a non-circular cross-section by its cylindrical stator. On the connecting plate fixed vertically on the turning slide table with circular section, the servo tool holder is fixed on the end of the cylindrical linear motor mover away from the connecting plate. 8. according to claim 6 or 7 described multi-kinetic energy non-circular cross-section workpiece CNC lathe, it is characterized in that, the bottom of said servo tool rest is provided with guide groove along its moving direction, fixed on the non-circular cross-section turning slide table A linear guide rail that is slidingly matched with the guide groove is provided. 9. The multifunctional numerically controlled lathe according to claim 6, wherein said rotary lathe tool holder is a universal four-station rotary automatic tool change tool holder. 10. The multifunctional numerically controlled lathe according to claim 6, characterized in that, both the non-circular cross-section turning slide and the circular cross-section turning slide are connected to the corresponding fixed slots on the working slide through the dovetail grooves provided at the bottom. Linear guide slide guide fit.

Images