CN210730987U

CN210730987U - Multi-head lathe

Info

Publication number: CN210730987U
Application number: CN201921882782.0U
Authority: CN
Inventors: 张全辉; 苏毅强
Original assignee: Foshan City Shunde District Yashu Industrial Automation Technology Co ltd
Current assignee: Guangdong Yashu Intelligent Technology Co ltd; Zhangquanhui
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-06-12
Anticipated expiration: 2029-11-04

Abstract

The utility model provides a multi-head lathe, which comprises a machine base, a spindle seat arranged on the machine base, a cutter seat used for installing a cutter, and a feed mechanism used for driving the cutter seat to move; the main shaft seat is provided with at least two main shafts; the device also comprises a driving mechanism for driving each main shaft to work independently; the feed mechanism can drive the cutter seat to move between the stations where the main shafts are located. The lathe has good production continuity and high production efficiency.

Description

Multi-head lathe

Technical Field

The utility model relates to a metal processing equipment, in particular to bull lathe.

Background

Some existing multi-station lathes include a machine base, a spindle base disposed on the machine base, a tool holder for mounting a tool, and a feed mechanism (generally, a biaxial movement mechanism) for driving the tool holder to move; a plurality of main shafts are arranged on the main shaft seat, a plurality of cutter mounting positions are correspondingly arranged on the cutter seat, and each cutter mounting position is provided with a cutter; during production, a workpiece to be machined (generally a cylindrical workpiece) is placed on each spindle, then the lathe is started, all the spindles are driven by the same motor to rotate together, and the feed mechanism drives all the cutters to feed together for machining.

The lathe is provided with a plurality of stations, a plurality of workpieces can be machined at one time, so that the production efficiency is high, and the lathe needs to be stopped to take and place the workpieces every time one-time machining is completed, so that the production continuity is poor.

SUMMERY OF THE UTILITY MODEL

In view of the defects in the prior art, the utility model aims to provide a multi-head lathe with better production continuity.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a multi-head lathe comprises a machine base, a spindle seat arranged on the machine base, a cutter seat used for installing a cutter, and a cutter feeding mechanism used for driving the cutter seat to move; the main shaft seat is provided with at least two main shafts; the device also comprises a driving mechanism for driving each main shaft to work independently; the feed mechanism can drive the cutter seat to move between the stations where the main shafts are located.

In the multi-head lathe, the driving mechanism comprises a plurality of motors, the number of the motors is equal to that of the main shafts, and the motors drive the main shafts to rotate in a one-to-one correspondence manner.

In the multi-head lathe, all the main shafts are parallel to each other and are linearly arranged along the Y direction, the feed mechanism is a double-shaft moving mechanism, and the double-shaft moving mechanism can drive the cutter seat to move along the X, Y direction.

The multi-head lathe also comprises a feeding device; the feeding device comprises a stocker for storing the workpieces to be processed, and a robot for transporting the workpieces to be processed from the stocker to the spindles.

In the multi-head lathe, the stocker comprises a square tubular storage part which is vertically arranged and a locking device which is arranged at the lower end of the storage part; the locking device is used for controlling the lowest workpiece to be machined to be timely output from the lower end opening of the storing part.

In the multi-head lathe, the locking device is a cylinder vertically connected to the lower end of the material storage part, and a piston rod of the locking device can press the lowest workpiece to be machined when the locking device extends out and release the lowest workpiece to be machined when the locking device retracts.

In the multi-head lathe, the manipulator comprises a feeding jig and a manipulator main body for driving the feeding jig to move; the feeding jig comprises a bottom plate, a material receiving groove and a pushing cylinder, wherein the material receiving groove is arranged on the bottom plate; the material receiving groove is provided with a groove cavity with an upward opening, a discharge hole is formed in one side, close to the main shaft, of the groove cavity, a material pushing hole is formed in the other side, opposite to the discharge hole, of the groove cavity, and a piston rod of the pushing air cylinder is inserted into the material pushing hole and used for pushing a workpiece to be machined out of the discharge hole.

Among the bull lathe, the manipulator main part is triaxial moving mechanism, including the riser that is provided with Z to the guide rail, with Z to guide rail sliding connection and be provided with the diaphragm of Y to the guide rail, with Y to guide rail sliding connection and be provided with the vertical plate of X to the guide rail, with X to guide rail sliding connection and with the mounting panel that feeding jig connects, be used for driving the diaphragm along the first drive arrangement of Z to guide rail removal, be used for driving the vertical plate along the second drive arrangement of Y to guide rail removal to and be used for driving the third drive arrangement of mounting panel along X to guide rail removal.

In the multi-head lathe, the first driving device, the second driving device and the third driving device are all cylinders.

The feeding device of the multi-head lathe further comprises a connecting frame fixed at the top of the spindle seat, and the stocker and the manipulator are arranged on the connecting frame.

Has the advantages that:

the utility model provides a pair of multi-head lathe is provided with two piece at least main shafts, and each main shaft autonomous working, when one of them some main shafts carry out the processing during operation, other main shafts can stop and carry out taking out of processed work piece and waiting to process placing of work piece, and the epaxial work piece completion of current work is processed the back, and the tool holder removes other main shaft departments and processes, so circulate, need not in the production process and shut down, and the production continuity is good.

Drawings

Fig. 1 is a perspective view of an angle of the multi-head lathe provided by the present invention.

Fig. 2 is a perspective view of another angle of the multi-head lathe provided by the present invention.

Fig. 3 is a schematic structural view of the feeding device in the multi-head lathe provided by the present invention.

Fig. 4 is the structural schematic diagram of the feeding jig in the multi-head lathe provided by the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The following disclosure provides embodiments or examples for implementing different configurations of the present invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

For convenience of description, the X direction refers to the axial direction of the main shaft 2.1, the Y axis refers to the direction perpendicular to the X direction, and the Z direction refers to the vertical direction.

Referring to fig. 1-4, the utility model provides a multi-head lathe, which comprises a machine base 1, a spindle seat 2 arranged on the machine base, a tool seat 3 for mounting a tool, and a feeding mechanism 4 for driving the tool seat to move; the spindle seat 2 is provided with at least two spindles 2.1; the device also comprises a driving mechanism 5 for driving each main shaft to work independently; the feed mechanism 4 can drive the cutter seat 3 to move between the stations where the main shafts 2.1 are located.

Because the lathe is provided with at least two main shafts 2.1, and each main shaft works independently (namely can rotate independently or stop without mutual interference), when one part of the main shafts 2.1 are used for processing, other main shafts can stop and take out processed workpieces and place workpieces to be processed, after the workpieces on the currently working main shafts are processed, the cutter seat 3 is driven by the feed mechanism 4 to move to other main shafts for processing, the process is circulated, the production process does not need to be stopped, and the production continuity is good.

It should be noted that, a tool mounting position can be arranged on the tool base 3, only one tool is mounted when in use, and only one main shaft 2.1 rotates each time in the machining process; still can set up a plurality of cutter installation positions on the tool holder 3, install a plurality of cutters during the use, there is the main shaft 2.1 rotation of corresponding quantity at every turn in the course of working.

Fig. 1 and 2 show a case with two spindles 2.1, in which the tool holder 3 is provided with a tool mounting location 3.1, and only one spindle 2.1 rotates at a time during the machining process, and the tool holder 3 is alternately moved between the stations where the two spindles 2.1 are located. This is by way of example only and not by way of limitation.

In some embodiments, see fig. 2, the driving mechanism 5 includes a plurality of motors 5.1, the number of the motors 5.1 is equal to the number of the spindles 2.1, and each motor 5.1 drives each spindle 2.1 to rotate in a one-to-one correspondence. The main shafts 2.1 can be controlled to work independently by controlling the work of the motors 5.1, and the transmission structure of the driving mechanism 5 is simple and easy to realize, for example, each motor 5.1 can transmit through a belt transmission mechanism (as shown in fig. 2), a chain transmission mechanism, a gear transmission mechanism and the like.

The structure of the driving mechanism 5 is not limited to this, for example, in other embodiments, the driving mechanism 5 includes a motor, which drives each spindle 2.1 to rotate independently through a gear box with a switching function, and the driving connection of the motor and a part of the spindles 2.1 can be realized at the same time by using the switching function of the gear box.

In some embodiments, all the main shafts 2.1 are parallel to each other and are arranged in a straight line along the Y direction, and the feeding mechanism 4 is a two-shaft moving mechanism, and the two-shaft moving mechanism can drive the tool seat 3 to move along the direction X, Y. The feed mechanism 4 specifically comprises a Y-direction moving assembly 4.1 and an X-direction moving assembly 4.2 for driving the Y-direction moving assembly to move along the X direction; the cutter seat 3 is arranged on the Y-direction moving component 4.1 and is driven by the Y-direction moving component to move along the Y direction. The biaxial movement mechanism is a conventional one, and may be, for example, a biaxial movement mechanism driven by an air cylinder, a biaxial movement mechanism driven by a hydraulic cylinder, a biaxial movement mechanism driven by an electric telescopic rod, a biaxial movement mechanism driven by a motor and a screw rod, etc., and is preferably a biaxial movement mechanism driven by a motor and a screw rod, and its position control accuracy is high.

The arrangement of the spindles 2.1 is not limited to this, for example, in other embodiments, all the spindles 2.1 are parallel to each other and arranged in a straight line along the Z direction, and in this case, the feed mechanism 4 is a dual-axis moving mechanism, and the dual-axis moving mechanism can drive the tool seat 3 to move along the direction X, Z. The structure of the biaxial movement mechanism is similar to that described above, and will not be described herein.

In some preferred embodiments, the multi-head lathe further comprises a feeding device A; specifically, referring to fig. 3, the feeding device a includes a stocker 6 for storing a workpiece 90 to be processed, and a robot 7 for transporting the workpiece to be processed from the stocker 6 to each spindle 2.1. A plurality of workpieces to be processed can be stored in the stocker 6, and automatic feeding is completed by the manipulator 7, so that the automation degree of the lathe is greatly improved, and the production efficiency is improved.

Further, the stocker 6 comprises a vertically arranged square tubular stock part 6.1 and a locking device 6.2 arranged at the lower end of the stock part; the workpieces 90 to be machined are stored in the magazine 6.1, and the locking device 6.2 is used for controlling the output of the lowest workpiece 90 to be machined from the lower end opening of the magazine in a timely manner. By means of the control of the locking device 6.2, one workpiece 90 to be machined is released from the lower end of the magazine at a time and is transferred by the robot 7. Here, a vertical observation groove 6.1a may be provided in the stock section 6.1 so that a worker observes the use and movement of the work pieces 90 to be processed in the stock section 6.1, and a transparent cover plate may be provided in the observation groove 6.1 a.

In this embodiment, the locking device 6.2 is a cylinder vertically connected to the lower end of the material storing portion 6.1, and a piston rod thereof can press the lowest workpiece 90 to be machined when extending out and release the lowest workpiece 90 to be machined when retracting. When the piston rod of the manipulator is pressed on the workpiece 90 to be processed at the lowest side, the workpiece 90 to be processed cannot fall down, and when the manipulator 7 moves to the position below the material storage part 6.1 to be ready to receive the material, the piston rod retracts to enable the workpiece 90 to be processed at the lowest side to fall down. To ensure that only one workpiece falls at a time, the robot 7 needs to be close enough to the lower end of the magazine 6.1 to receive material.

In a preferred embodiment, the cylinder in the locking device 6.2 is provided with two (as shown in fig. 3), one for pressing the lowest workpiece to be machined 90, and the other for pressing the second workpiece to be machined 90. When the manipulator 7 moves to the position below the material storage part 6.1 for receiving material, one cylinder presses the second workpiece to be processed 90 on the lower side, and the other cylinder releases the workpiece to be processed 90 on the lowest side, so that only one workpiece can be reliably ensured to fall.

Further, as shown in fig. 3, the manipulator 7 includes a feeding jig 7.1 and a manipulator main body 7.2 for driving the feeding jig 7.1 to move; as shown in fig. 4, the feeding jig 7.1 comprises a bottom plate 7.1a, a receiving groove 7.1b mounted on the bottom plate, and a pushing cylinder 7.1 c; the material receiving groove 7.1b is provided with a groove cavity 7.1d with an upward opening, a material outlet 7.1e is formed in one side, close to the main shaft 2.1, of the groove cavity 7.1d, a material pushing hole is formed in the other side, opposite to the material outlet 7.1e, of the groove cavity, and a piston rod of the pushing cylinder 7.1c is inserted into the material pushing hole and used for pushing the workpiece 90 to be machined out of the material outlet 7.1 e.

When receiving materials, the manipulator main body 7.2 drives the feeding jig 7.1 to move, so that the groove cavity 7.1d of the material receiving groove 7.1b is just opposite to the lower part of the material storage part 6.1, a workpiece 90 to be processed can fall into the groove cavity 7.1d, then the manipulator main body 7.2 moves the feeding jig 7.1, so that the discharge hole 7.1e of the groove cavity 7.1d is just opposite to the spindle 2.1, then the pushing cylinder 7.1c acts to push the workpiece 90 to be processed out and send the workpiece into the spindle 2.1, and finally the manipulator resets to finish one-time feeding.

Preferably, a guide cylinder 7.1f is connected behind the material pushing hole, and a piston rod of the pushing cylinder 7.1c penetrates through the guide cylinder 7.1f to guide the piston rod.

In this embodiment, as shown in fig. 3, the robot main body 7.2 is a three-axis moving mechanism, and includes a vertical plate 7.2b provided with a Z-oriented rail 7.2a, a horizontal plate 7.2d slidably connected to the Z-oriented rail 7.2a and provided with a Y-oriented rail 7.2c, a vertical plate 7.2f slidably connected to the Y-oriented rail 7.2c and provided with an X-oriented rail 7.2e, an installation plate 7.2g slidably connected to the X-oriented rail 7.2e and connected to the feeding jig 7.1, a first driving device 7.2h for driving the horizontal plate to move along the Z-oriented rail, a second driving device 7.2i for driving the vertical plate to move along the Y-oriented rail, and a third driving device 7.2j for driving the installation plate to move along the X-oriented rail.

The first driving device 7.2h, the second driving device 7.2i and the third driving device 7.2j are all cylinders, hydraulic cylinders or electric telescopic rods, and can also be driving devices consisting of motors and screw rod transmission pairs.

The structure of the robot main body 7.2 is not limited to this, and may be a six-axis robot, for example.

In some embodiments, see fig. 1-3, the feeder device a further comprises a coupling frame 8 fixed to the top of the spindle base 2, on which the stocker 6 and the robot 7 are disposed.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-mentioned preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and the embodiments are substantially the same as the present invention.

Claims

1. A multi-head lathe comprises a machine base, a spindle seat arranged on the machine base, a cutter seat used for installing a cutter, and a cutter feeding mechanism used for driving the cutter seat to move; the spindle is characterized in that at least two spindles are arranged on the spindle seat; the device also comprises a driving mechanism for driving each main shaft to work independently; the feed mechanism can drive the cutter seat to move between the stations where the main shafts are located.

2. The multi-head lathe of claim 1, wherein the drive mechanism comprises a plurality of motors, the number of the motors being equal to the number of the spindles, each motor driving each spindle to rotate in a one-to-one correspondence.

3. The multi-head lathe of claim 1, wherein all the spindles are parallel to each other and are arranged linearly in the Y direction, and the feed mechanism is a biaxial moving mechanism that moves the tool holder in X, Y directions.

4. The multi-headed lathe of claim 1 further comprising a feed device; the feeding device comprises a stocker for storing the workpieces to be processed, and a robot for transporting the workpieces to be processed from the stocker to the spindles.

5. The multi-head lathe according to claim 4, wherein the stocker comprises a vertically arranged square tube-shaped stocker portion, and a locking device arranged at the lower end of the stocker portion; the locking device is used for controlling the lowest workpiece to be machined to be timely output from the lower end opening of the storing part.

6. The multi-head lathe according to claim 5, wherein the locking device is a cylinder vertically connected to the lower end of the stock portion, and a piston rod thereof is capable of pressing the lowermost workpiece to be machined when extended and releasing the lowermost workpiece to be machined when retracted.

7. The multi-head lathe according to claim 5, wherein the manipulator comprises a feeding jig and a manipulator body for driving the feeding jig to move; the feeding jig comprises a bottom plate, a material receiving groove and a pushing cylinder, wherein the material receiving groove is arranged on the bottom plate; the material receiving groove is provided with a groove cavity with an upward opening, a discharge hole is formed in one side, close to the main shaft, of the groove cavity, a material pushing hole is formed in the other side, opposite to the discharge hole, of the groove cavity, and a piston rod of the pushing air cylinder is inserted into the material pushing hole and used for pushing a workpiece to be machined out of the discharge hole.

8. The multi-head lathe according to claim 7, wherein the robot main body is a three-axis moving mechanism including a vertical plate provided with a Z-direction guide rail, a horizontal plate slidably connected to the Z-direction guide rail and provided with a Y-direction guide rail, a vertical plate slidably connected to the Y-direction guide rail and provided with an X-direction guide rail, a mounting plate slidably connected to the X-direction guide rail and connected to the feeding jig, a first driving device for driving the horizontal plate to move along the Z-direction guide rail, a second driving device for driving the vertical plate to move along the Y-direction guide rail, and a third driving device for driving the mounting plate to move along the X-direction guide rail.

9. The multi-head lathe according to claim 8, wherein the first driving device, the second driving device and the third driving device are all air cylinders, hydraulic cylinders or electric telescopic rods.

10. The multi-head lathe of claim 4, wherein the feeder unit further comprises a connecting frame fixed to the top of the spindle base, and the stocker and the robot are disposed on the connecting frame.