CN107855544A - A kind of unmanned handling Intelligent lathe - Google Patents

Abstract

The invention discloses an unmanned loading and unloading intelligent lathe, which includes a bed, a spindle assembly, a tool assembly and a workpiece feeding assembly arranged on the bed. The spindle assembly includes a spindle guide rail, a spindle base and a spindle; the spindle guide rail is fixed on the bed along the direction of the Z axis and along the circumferential direction of the Z axis; the spindle base is slidably installed on the spindle guide rail; In the axial direction, a clamp is installed at the front end. One side of the bed has an installation support frame, and the installation support frame and the bed are integrally formed; the workpiece feeding assembly is installed on the installation support frame on one side of the bed, which includes a workpiece feeding cylinder and a workpiece carrying plate. A number of regularly arranged workpieces to be processed are placed in the workpiece conveying chute on the workpiece carrier plate, the main shaft part moves to the right, and the workpiece feeding cylinder pushes the workpieces into the clamp at the end of the main shaft. The invention realizes automatic feeding and improves processing efficiency by designing workpiece feeding components.

Description

An intelligent lathe with unmanned loading and unloading

technical field

The invention relates to the field of lathes, in particular to an unmanned loading and unloading intelligent lathe.

Background technique

At present, manual loading and unloading is still required when traditional CNC lathes process workpieces. Even if some industrial robots are used to realize automatic loading and unloading, the cost is high and cannot meet user needs. In addition, the current labor cost is increasing day by day. It is necessary to realize the automation of lathe processing and take care of multiple lathes by one person, so as to reduce labor costs and improve production efficiency.

For example, the Chinese patent application number 201610358107.2: a CNC lathe with automatic feeding for shaft parts. In this technical solution, the lathe adopts a hollow spindle and a hollow chuck connected with the same axis, and the automatic feeding device is arranged behind the hollow spindle. At the end of the part, the shaft workpiece is fed into the hollow chuck through the hollow spindle. In this technical solution, the automatic feeding device has a complicated structural design, the overall volume of the lathe is large, and the manufacturing cost is high.

The present invention designs an intelligent lathe without loading and unloading from the perspectives of optimizing the overall design of the lathe, simplifying the automatic feeding device and reducing the production cost.

Contents of the invention

The object of the present invention is to overcome the above-mentioned deficiencies in the prior art, and provide an intelligent lathe with reasonable structure design, perfect system and unmanned loading and unloading.

The technical solution adopted by the present invention to solve the above problems is:

An unmanned loading and unloading intelligent lathe, including a bed, is characterized in that: it also includes a spindle assembly, a tool assembly and a workpiece feeding assembly arranged on the bed;

One side of the bed has an installation support frame, and the installation support frame and the bed are integrally formed;

The spindle assembly includes a spindle guide rail, a spindle base and a spindle; the spindle guide rail is fixed on the bed along the Z-axis direction and along the circumferential direction of the Z-axis; the spindle base is slidably mounted on the spindle guide rail; the spindle is mounted on On the main shaft seat, the central axis is along the Z-axis direction, and a fixture is installed at the front end;

The tool assembly includes a tool seat guide rail, a tool seat, and a turret tool holder; the tool seat guide rail is fixed on the bed, and its axis is perpendicular to the Z axis, and the included angle with the horizontal plane is an acute angle; the tool seat is slidably installed on the On the guide rail of the tool holder; the turret tool holder is installed on one side of the tool holder, and its central axis is along the Z-axis direction;

The workpiece feeding assembly includes a lower support plate and a workpiece carrier plate; the lower support plate is installed on the installation support frame on one side of the bed, and one end of the lower support plate is fixedly connected with a U-shaped support plate, and the U-shaped support plate is arranged in the vertical direction , its opening is upward; the upper position on both sides of the U-shaped support plate is relatively provided with a through hole, and a workpiece feeding cylinder arranged in a horizontal direction is arranged on one side of the U-shaped support plate, and the cylinder rod of the workpiece feeding cylinder passes through the through hole on the side; The workpiece carrying plate is provided with a workpiece conveying slideway, the workpiece carrying plate and the workpiece conveying slideway are arranged along the direction perpendicular to the Z axis, and the workpiece carrying plate is arranged above the lower support plate at an acute angle to the horizontal plane, and one end Snap into the gap formed between the two sides of the U-shaped support plate, and its position is lower than the position of the through hole opposite to the upper position on the two sides of the U-shaped support plate, and the end of the end is provided with a baffle;

The central axis of the cylinder rod of the workpiece feeding cylinder and the central axis of the through holes oppositely opened on the upper side of the two sides of the U-shaped support plate coincide with the central axis of the main shaft in the main shaft assembly.

An unmanned loading and unloading intelligent lathe according to the present invention also includes a first set of drive assembly; the first set of drive assembly is connected to the main shaft assembly, which includes a Z-axis motor and a Z-axis screw; the Z-axis screw is connected to the The main shaft seat is connected by transmission; the Z-axis motor drives the Z-axis screw, thereby driving the main shaft seat to slide along the central axis of the main shaft guide rail.

An unmanned loading and unloading intelligent lathe according to the present invention also includes a second set of drive assembly; the second set of drive assembly is connected to the cutter assembly, which includes an X-axis motor and an X-axis screw; the X-axis screw is connected to the The tool seat is connected by transmission; the X-axis motor drives the X-axis screw, thereby driving the tool seat to slide along the central axis of the tool seat guide rail.

The spindle described in the present invention is an electric spindle.

The inclination angle of the main shaft guide rail in the present invention along the Z axis is 30°.

The included angle between the central axis of the guide rail of the tool seat and the horizontal plane of the present invention is 30°.

The turret tool holder of the present invention is a disc type tool holder, on which 12 tool mounting grooves are arranged.

The turret tool rest of the present invention is driven by a servo motor to rotate.

Compared with the prior art, the present invention has the following advantages and effects:

(1) The workpiece feeding assembly is designed. Several regularly arranged workpieces to be processed are placed in the workpiece conveying slideway on the workpiece carrier plate. The main shaft part moves to the right, and the workpiece feeding cylinder pushes the workpiece into the fixture at the end of the main shaft to realize Automatic feeding;

(2) The spindle guide rail and the tool holder guide rail are both inclined, which has the advantages of high precision, good chip removal, and reduced overall size of the lathe.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of a complete lathe (including a lathe cover) according to an embodiment of the present invention.

Fig. 2 is a three-dimensional structural schematic view of the complete lathe (with the lathe cover removed) according to the embodiment of the present invention.

Fig. 3 is a schematic perspective view of the three-dimensional structure of Fig. 2 excluding the protective cover at the spindle assembly and the cutter assembly and the workpiece feeding assembly.

Fig. 4 is a schematic perspective view of the three-dimensional structure of the workpiece feeding assembly in the embodiment of the present invention.

FIG. 5 is a schematic diagram of the front view of FIG. 2 .

FIG. 6 is a schematic view of the right structure of FIG. 2 .

FIG. 7 is a schematic top view of the structure in FIG. 2 .

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are explanations of the present invention and the present invention is not limited to the following examples.

Example.

See Figures 1 through 7.

An embodiment of the present invention is an unmanned loading and unloading intelligent lathe, including a bed 1, a spindle assembly 2, a tool assembly 3, a workpiece feeding assembly 4, a first drive assembly and a second drive assembly arranged on the bed 1.

In the embodiment of the present invention, the upper end of the bed 1 has a 30° die-casting slope, and the right end of the bed 1 has an outwardly protruding installation support frame 1-1, and the installation support frame 1-1 and the bed 1 are integrally formed by die-casting , the whole machine contains outer cover 1-2 (as shown in Figure 1).

In the embodiment of the present invention, the spindle assembly 2 includes a spindle guide rail 2-1, a spindle seat 2-2 and a spindle 2-3. The spindle guide rail 2-1 is fixed on the bed 1 along the direction of the Z axis and inclined at 30° along the circumferential direction of the Z axis. The spindle seat 2-2 is slidably installed on the spindle guide rail 2-1, so that the spindle assembly 2 is slidably installed on the bed 1, and can slide along the Z axis on the bed 1 along the spindle guide 2-1. The main shaft 2-3 adopts an electric main shaft, is installed on the main shaft seat 2-2, and its central axis is along the Z-axis direction, and its front end is equipped with a clamp 2-4, and the clamp 2-4 adopts a three-jaw chuck. The inclined design of the spindle guide rail 2-1 has the advantages of good chip removal and high precision. In addition, the entire spindle assembly 2 is provided with a protective cover 2-7 to prevent external damage and iron filings from entering the spindle guide rail 2-1 during processing. 1. Coolant throwing out, etc.

In the embodiment of the present invention, the first drive assembly is connected to the main shaft assembly 2, which includes a Z-axis motor 2-6 and a Z-axis screw rod 2-5. The Z-axis motor 2-6 drives the Z-axis screw mandrel 2-5. A Z-axis screw nut is arranged on the Z-axis screw rod 2-5, and the Z-axis screw rod nut is fixedly connected with the main shaft seat 2-2, so that under the drive of the Z-axis motor 2-6, the Z-axis screw rod 2-5 The rotational movement of the main shaft seat 2-2 slides along the central axis of the main shaft guide rail 2-1.

In the embodiment of the present invention, the tool assembly 3 includes a tool seat guide rail 3-1, a tool seat 3-2, and a turret tool post 3-3. The tool holder guide rail 3-1 is fixed on the bed 1, its central axis is perpendicular to the Z axis, and the included angle with the horizontal plane is an acute angle, the included angle is preferably 30°, and the structure is compact and reasonable under this angle. The knife seat 3-2 is slidably installed on the knife seat guide rail 3-1. The turret tool rest 3-3 is installed on one side of the tool holder 3-2, and its central axis is along the Z-axis direction. Driven by the servo motor 3-4, it can rotate around the Z-axis for tool change operations; the turret tool rest 3-3 is provided with 12 tool mounting slots 3-5, which can hold various tools, so that complex workpieces can be processed at one time, meeting complex processing requirements and improving processing efficiency. In addition, the tool assembly 3 is also provided with a protective cover 3-8, which plays a role in preventing external damage and iron filings from entering the tool seat guide rail 3-1 during processing.

In the embodiment of the present invention, the second drive assembly is connected to the cutter assembly 3, which includes an X-axis motor 3-6 and an X-axis screw rod 3-7. The X-axis motor 3-6 drives the X-axis screw mandrel 3-7. An X-axis screw nut is arranged on the X-axis screw rod 3-7, and the X-axis screw rod nut is fixedly connected to the tool holder 3-2, so that under the drive of the X-axis motor 3-6, the X-axis screw rod 3-7 The rotary motion drives the knife seat 3-2 to slide along the central axis of the knife seat guide rail 3-1.

The workpiece feeding assembly 4 in the embodiment of the present invention includes a lower support plate 4-1 and a workpiece carrier plate 4-6. The lower support plate 4-1 is installed on the installation support frame 1-1 on one side of the bed 1, and one end thereof is fixedly connected with a U-shaped support plate 4-2. The U-shaped support plate 4-2 is arranged vertically, and its opening up. The upper position on both sides of the U-shaped support plate 4-2 is relatively provided with a through hole 4-3, and a workpiece feeding cylinder 4-4 arranged in a horizontal direction is arranged on one side thereof, and the cylinder rod 4-5 of the workpiece feeding cylinder 4-4 passes through. through the side hole. The workpiece carrying plate 4-6 is provided with a workpiece conveying slideway 4-7, and the workpiece carrying plate 4-6 and the workpiece conveying slideway 4-7 are arranged along a direction perpendicular to the Z axis, and the workpiece carrying plate 4-6 is in contact with the horizontal plane. It is arranged on the top of the lower support plate 4-1 at an acute angle, one end of which is inserted into the gap formed between the two sides of the U-shaped support plate 4-2, and its position is lower than that of the U-shaped support plate 4-2. The position of the upper part of the side is opposite to the position of the opened through hole 4-3, and the end of the end is provided with a baffle plate 4-8.

In the embodiment of the present invention, the central axis of the cylinder rod 4-5 of the workpiece feeding cylinder 4-4, the central axis of the through hole 4-3 opposite to the upper position on both sides of the U-shaped support plate 4-2, and the main shaft 2 in the main shaft assembly 2 -3 The central axes of the clamps 2-4 at the front end are coincident.

The automatic feeding process of the workpiece feeding assembly 4 in the embodiment of the present invention is as follows: the workpiece to be processed is output to the workpiece conveying slide on the workpiece carrier plate 4-6 by the feeding vibrating cylinder (not shown in the schematic diagram) according to certain rules 4-7, because the workpiece carrying plate 4-6 is designed to be inclined, the workpiece slides to the bottom of the workpiece conveying slideway 4-7 under its own gravity, and it is facing the through hole 4-3. At this time, the spindle assembly 2 is at the Driven by a set of drive components, it moves rightward along the Z axis, close to the workpiece feeding component 4, and after moving in place, the cylinder rod 4-5 of the workpiece feeding cylinder 4-4 stretches out and pushes the workpiece at its front end into the main shaft 2- 3. In the clamp 2-4 at the front end, so as to complete the automatic feeding.

In the embodiment of the present invention, after the processing of the workpiece is completed, the clamp 2-4 at the front end of the main shaft 2-3 is released, and the workpiece automatically falls into the receiving box provided under the installation support frame 1-1 on one side of the bed 1 (the schematic diagram is not shown. ), so as to complete the automatic unloading.

In addition, it should be noted that the specific embodiments described in this specification may be different in parts, shapes and names of parts, and the above content described in this specification is only an illustration of the structure of the present invention. All equivalent changes or simple changes made according to the structure, features and principles described in the patent concept of the present invention are included in the protection scope of the patent of the present invention. Those skilled in the art to which the present invention belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, as long as they do not deviate from the structure of the present invention or exceed the scope defined in the claims. All should belong to the protection scope of the present invention.

Claims (8)

1. An unmanned loading and unloading intelligent lathe, comprising a bed, characterized in that: it also includes a spindle assembly, a tool assembly and a workpiece feeding assembly arranged on the bed; One side of the bed has an installation support frame, and the installation support frame and the bed are integrally formed; The spindle assembly includes a spindle guide rail, a spindle base and a spindle; the spindle guide rail is fixed on the bed along the Z-axis direction and along the circumferential direction of the Z-axis; the spindle base is slidably mounted on the spindle guide rail; the spindle is mounted on On the main shaft seat, the central axis is along the Z-axis direction, and a fixture is installed at the front end; The tool assembly includes a tool seat guide rail, a tool seat and a turret tool holder; the tool seat guide rail is fixed on the bed, its axis is perpendicular to the Z axis, and the angle with the horizontal plane is an acute angle; the tool seat is slidably installed on the On the guide rail of the tool holder; the turret tool holder is installed on one side of the tool holder, and its central axis is along the Z-axis direction; The workpiece feeding assembly includes a lower support plate and a workpiece carrier plate; the lower support plate is installed on the installation support frame on one side of the bed, and one end of the lower support plate is fixedly connected with a U-shaped support plate, and the U-shaped support plate is arranged in the vertical direction , its opening is upward; the upper position on both sides of the U-shaped support plate is relatively provided with a through hole, and a workpiece feeding cylinder arranged in a horizontal direction is arranged on one side of the U-shaped support plate, and the cylinder rod of the workpiece feeding cylinder passes through the through hole on the side; The workpiece carrying plate is provided with a workpiece conveying slideway, the workpiece carrying plate and the workpiece conveying slideway are arranged along the direction perpendicular to the Z axis, and the workpiece carrying plate is arranged above the lower support plate at an acute angle to the horizontal plane, and one end Snap into the gap formed between the two sides of the U-shaped support plate, and its position is lower than the position of the through hole opposite to the upper position on the two sides of the U-shaped support plate, and the end of the end is provided with a baffle; The central axis of the cylinder rod of the workpiece feeding cylinder and the central axis of the through holes oppositely opened on the upper side of the two sides of the U-shaped support plate coincide with the central axis of the main shaft in the main shaft assembly. 2. An unmanned loading and unloading intelligent lathe according to claim 1, characterized in that: it also includes a first drive assembly; the first drive assembly is connected to the spindle assembly, which includes a Z-axis motor and a Z-axis wire rod; the Z-axis screw is connected to the main shaft base through transmission; the Z-axis motor drives the Z-axis screw, thereby driving the main shaft base to slide along the central axis of the main shaft guide rail. 3. An unmanned loading and unloading intelligent lathe according to claim 1, characterized in that: it also includes a second drive assembly; the second drive assembly is connected to the tool assembly, which includes an X-axis motor and an X-axis wire rod; the X-axis screw rod is connected to the tool seat in transmission; the X-axis motor drives the X-axis screw rod, thereby driving the tool seat to slide along the central axis of the tool seat guide rail. 4. An unmanned loading and unloading intelligent lathe according to claim 1, characterized in that: the spindle is an electric spindle. 5. An unmanned loading and unloading intelligent lathe according to claim 1, characterized in that: the inclination angle of the spindle guide rail along the Z-axis in the circumferential direction is 30°. 6. An intelligent lathe with unmanned loading and unloading according to claim 1, characterized in that: the included angle between the central axis of the guide rail of the tool holder and the horizontal plane is 30°. 7. An unmanned loading and unloading intelligent lathe according to claim 1, characterized in that: the turret tool holder is a disc-type tool holder, and 12 tool installation slots are arranged on it. 8. An unmanned loading and unloading intelligent lathe according to claim 1, characterized in that: the turret tool rest is driven by a servo motor to rotate.