CN110238703A - A vertical tool post double spindle compound machine tool - Google Patents

Abstract

The invention discloses a kind of double main shaft combined machines of vertical tool holder, it is characterized by: it include equipped with the first column (2), the first main shaft (3), the second column (4), the second main shaft (5) pedestal (1), the pedestal (1) is equipped with the first processing channel and the second processing channel of bilateral symmetry distribution, first column (2), the first main shaft (3) are located at the first processing channel, and second column (4), the second main shaft (5) are located at the second processing channel；Be equipped on first column (2) and the second column (4) for turning inner circle, size, turning end, drilling, bore hole, fraising, interior external screw thread, Milling Process cutter holder assembly；The lathe reserves a large amount of space and is fully mounted above a fixed column, operates and installs for chip removal, three straight-line feed axis, adjusts cutter, installation, trial cut exemplar are all very convenient below the processing district of lathe.

Description

A vertical tool post double spindle compound machine tool

technical field

The invention relates to the technical field of machine tools, in particular to a vertical tool rest double-spindle compound machine tool.

Background technique

At present, there is a CNC vertical milling end face drilling center hole machine tool, which includes a bed, a left sliding saddle, a right sliding saddle, a left compound telescopic double-spindle power head, a right compound telescopic double-spindle power head, and an axially inward telescopic positioning device. , Left transmission device, right transmission device, intermediate transmission device, integral clamp slide saddle, high rigid column assembly, self-centering adjustable jaws, and material support device. The left and right sliding saddles are respectively installed on the left and right front sides of the bed, the left and right composite telescopic double-spindle power heads are respectively installed on the left and right sliding saddles, and the axial inward telescopic positioning device is installed on the right headstock, drilling and milling tools They are respectively installed on the left and right power head spindles, the middle column is vertically placed on the middle rear side of the bed, and the integral clamp saddle is vertically installed on the middle column. The self-centering jaws can be adjusted in length and length arbitrarily, and a set of supporting device for loading and unloading is installed on the integral clamp saddle. The above machine tools have the following disadvantages: 1. Since the workpiece is installed in the middle transmission device, both ends are processed by the left compound telescopic double-spindle power head and the right compound telescopic double-spindle power head, so that the machine tool can only process one part One or both ends of the machine, that is, only one spindle, has limitations in function, and also causes the clamped part in the middle to be unable to be processed. 2. Since the left compound telescopic double-spindle power head and the right compound telescopic double-spindle power head slide during work, the chips after cutting will fall to the slide rail, that is, they cannot fall to the chip in the first time In the hole, thus affecting the machine tool.

Contents of the invention

The technical problem to be solved by the present invention is to provide a waterproof device with excellent waterproof performance and good protection effect. Under the processing area of the machine tool, a large amount of space is reserved for chip removal, and high-heat chips can quickly fall into the chip box. , and quickly discharged to the outside of the machine tool, the left and right parts of the machine tool are symmetrically designed, the types of manufacturing and processing technology and assembly technology are reduced, and the processing difficulty is reduced. The three linear feed axes are completely installed on a fixed column. Operation and installation, adjustment Tool, installation, and sample cutting are extremely convenient vertical tool post double-spindle compound machine tools.

The technical solution of the present invention is to provide a vertical tool post double-spindle compound machine tool with the following structure, which includes a base with a first column, a first spindle, a second column, and a second spindle, and the base is provided with The first processing channel and the second processing channel symmetrically distributed left and right, the first column and the first spindle are located in the first processing channel, the second column and the second spindle are located in the second processing channel; the first column and The second column is equipped with a tool holder assembly for turning inner circle, turning outer circle, turning end face, drilling, boring, reaming, turning internal and external threads, and milling; the middle part of the base is provided with a chip box. The first column and the second column are installed on the top surface of the base and are left-right symmetrical. The chip channel is located below the first processing channel and the second processing channel. The first spindle is installed on the first column Above, the second main shaft is installed on the second column, the axis of the first main shaft and the axis of the second main shaft are on the same straight line; the first main shaft and the second main shaft are equipped with built-in synchronous main shaft motors; The first spindle and the second spindle are provided with a spindle box that drives the workpiece to move along the axis; the first column and the second column are equipped with an X-direction feed shaft, a Y-direction feed shaft, and a Z-direction feed shaft, The X-direction feed shaft and the first Z-direction feed shaft are respectively installed on two mutually perpendicular sides of the column, and the Y-direction feed shaft is installed on the saddle of the X-direction feed shaft and is connected with the X-direction feed shaft. The feed axis and the Z feed axis are vertical, and a carriage sliding along the Y direction is installed on the saddle of the X feed axis; the tool holder assembly is installed on the carriage and is equipped with side processing tools, One or any combination of two or more of the processing tool and the power tool for radial processing and the power tool for axial processing; the base is also provided with an integrated truss manipulator mechanism, and the manipulator mechanism includes two truss fixing columns, The truss beam, the truss vertical beam, and the manipulator, the two truss fixed columns are fixed on the mounting surface of the base, the truss beam is installed on the upper end surface of the two truss fixed columns, and the truss beam is installed with a The feed axis W axis of the truss vertical beam is installed with the V axis parallel to the Y axis, and the manipulator takes the workpiece to be processed from the blank silo to the spindle chuck through the truss beam and the truss vertical beam) , and take the finished workpiece out of the spindle chuck and put it into the finished product bin.

The tool rest assembly located on the first column includes a first tool rest with a plurality of end surface processing, a second tool rest with a plurality of side processing and a third tool rest with radial processing, and the first tool rest on the first The tools are arranged vertically up and down, towards the first main shaft and the axes of the tools are parallel to the axis of the first main shaft; the knives on the second tool rest are perpendicular to the knives on the first tool rest, and the third tool rest The knives on the top and the knives on the second tool rest are located on the same side of the first column.

The tool rest assembly located on the second column includes a fourth tool rest with multiple end surface processing and a fifth tool rest with multiple side processing, and the knives on the first tool rest are arranged vertically up and down, facing The axis of the second main shaft and the tool are parallel to the axis of the second main shaft; the tool on the fourth tool post is perpendicular to the tool on the fifth tool post.

When the first spindle and the second spindle move to the closest position, the workpiece is exchanged coaxially from the first spindle to the second spindle or from the second spindle to the first spindle.

When the first spindle and the second spindle rotate synchronously, the workpieces are exchanged coaxially.

The centers of the first main shaft and the second main shaft are equipped with rotary oil cylinders, hydraulic chucks or collet chucks, and the rotary oil cylinders drive the hydraulic chucks or collet chucks in the respective main shafts to clamp or loosen. Open the workpiece.

The Z-direction feed shaft includes a Z-direction feed motor.

The top of the power tool of the tool rest assembly is provided with a servo motor.

The Y feed axis includes a Y feed motor.

After adopting the above structure, the present invention has the following advantages:

1. All the moving parts of the machine tool and their driving devices are placed on the upper part of the base, so that these parts have excellent waterproof performance and good protection effect. A large amount of space is left for chip removal under the processing area of the machine tool.

2. Since the column is fixed, the chip position is always above the chip drop channel during processing, so that high-heat chips can quickly fall into the chip box and be quickly discharged to the outside of the machine tool, thus minimizing chip heat. The transmission to the moving parts of the machine tool reduces the temperature rise of the machine tool. The thermal deformation of the three feed axes and the main shaft of the machine tool is reduced, thereby ensuring that the machine tool can process parts with high precision for a long time.

3. The left and right parts of the machine tool adopt a symmetrical design, the types of manufacturing processing and assembly processes are reduced, and the processing difficulty is reduced.

4. The three linear feed axes are completely installed on a fixed column, so there is only one most critical part—the column. As long as the design ensures that the rigidity of the column is high enough, and the accuracy of the column is guaranteed during processing, the overall performance of the machine tool can be guaranteed.

5. After adopting this machine tool layout, the tool installation position of the machine tool on the spindle and the machine tool is very close to the operator, and the tool installation position at the farthest end is only 400mm away from the protective door. Operation and installation, tool adjustment, installation, and trial cutting Everything is very convenient.

6. The integrated truss manipulator realizes automatic loading and unloading, fully automatic processing, and can be equipped with various forms of automatic loading and unloading devices.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of a vertical tool post double-spindle compound machine tool of the present invention.

Fig. 2 is a structural schematic diagram of components on the first column of the present invention.

Fig. 3 is a structural schematic diagram of components on the second column of the present invention.

Fig. 4 is a structural schematic diagram of the base of the present invention.

as the picture shows:

1. Base, 1.1, chip dropping channel, 2, first column, 3, first main axis, 4, second column, 5, second main axis, 6, truss fixed column, 7, truss beam, 8, truss vertical beam, 9. Manipulator, 10. Rotary oil cylinder, 11. First tool post, 12. Second tool post, 13. Third tool post, 14. Fourth tool post, 15. Fifth tool post, 16. Z direction feed Motor, 17, servo motor, 18, Y feed motor.

specific embodiment

The present invention will be further described below in conjunction with accompanying drawing.

As shown in Figures 1-4, the vertical tool post double-spindle compound machine tool of the present invention includes a base 1 provided with a first column 2, a first spindle 3, a second column 4, and a second spindle 5. The base 1. There are a first processing channel and a second processing channel symmetrically distributed left and right, the first column 2 and the first spindle 3 are located in the first processing channel, and the second column 4 and the second spindle 5 are located in the second processing channel .

Both the first column 2 and the second column 4 are provided with a tool holder assembly for turning inner circle, outer circle turning, end face turning, drilling, boring, reaming, turning internal and external threads, and milling.

The middle part of the base 1 is provided with a chip falling channel 1.1 communicating with the chip box.

The first column 2 and the second column 4 are installed on the top surface of the base 1 and are left-right symmetrical, the chip drop channel 1.1 is located below the first processing channel and the second processing channel, and the first spindle 3 is installed on the first On the column 2, the second main shaft 5 is installed on the second column 4, the axis of the first main shaft 3 and the axis of the second main shaft 5 are on the same straight line; the first main shaft 3 and the second main shaft 5 are set There is a built-in synchronous spindle motor; the first spindle 3 and the second spindle 5 are provided with a spindle box that drives the workpiece to move along the axis; the first column 2 and the second column 4 are equipped with X-direction feed shafts, The Y-direction feed shaft and the Z-direction feed shaft, the X-direction feed shaft and the first Z-direction feed shaft are respectively installed on the two mutually perpendicular sides of the column, and the Y-direction feed shaft is installed on the X-direction On the saddle of the feed shaft and perpendicular to the X-direction feed shaft and the Z-direction feed shaft, a carriage that slides along the Y direction is installed on the saddle of the X-direction feed shaft.

The base 1 is also provided with an integrated truss manipulator mechanism. The manipulator mechanism includes two truss fixing columns 6, a truss beam 7, a truss vertical beam 8, and a manipulator 9. The two truss fixing columns 6 are fixed on the bottom of the base 1. On the installation surface, the truss beam 7 is installed on the upper end surfaces of the two truss fixing columns 6, the feed axis W axis parallel to the Z axis is installed on the truss beam 7, and the truss vertical beam 8 is installed with a The Y axis is parallel to the V axis. The manipulator 9 takes out the workpiece to be processed from the blank silo to the spindle chuck through the truss beam 7 and the truss vertical beam 8, and takes out the finished workpiece from the spindle chuck and puts it into the finished product. In the silo.

The tool holder assembly is installed on the carriage and is equipped with one or any combination of side machining tools, end face machining tools, radial machining power tools and axial machining power tools, such as driven tool , you need to use the power head currently on the market, that is, with a servo motor, so that the tool can be rotated, and the workpiece does not rotate during processing, but the tool rotates.

In this embodiment, the tool holder assembly located on the first column 2 includes a first tool holder 11 with a plurality of end surface processing, a second tool holder 12 with a plurality of side processing, and a third tool holder 13 with radial processing. The cutters on the first tool rest 11 are arranged vertically up and down, towards the first main shaft 3 and the axes of the cutters are all parallel to the axis of the first main shaft 3; the cutters on the first tool rest 11 are for machining end faces, For example, for drilling, boring, reaming, internal and external threading. The tool on the second tool post 12 is perpendicular to the tool on the first tool post 11 , and the tool on the second tool post 12 is used for turning the outer circle, such as a turning tool. The knives on the third knife rest 13 and the second knife rest 12 are located on the same side of the first column 2 . The tool on the third tool rest 13 is a powered tool, and the top of the powered tool of the tool post assembly is provided with a servo motor 17 to allow the tool to rotate. For example: drilling, reaming.

The tool rest assembly located at the second column 5 includes a fourth tool rest 14 with a plurality of end surface processing and a fifth tool rest 15 with a plurality of side processing, and the cutter on the first tool rest 14 is vertically upward Arranged downward, facing the second main shaft 5 and the axes of the tools are all parallel to the axis of the second main shaft 5;

When the first spindle 3 and the second spindle 5 move to the closest position, the workpiece is exchanged coaxially from the first spindle 3 to the second spindle 5 or from the second spindle 5 to the first spindle 3 .

The workpieces are exchanged coaxially when the first spindle 3 and the second spindle 5 rotate synchronously.

The centers of the first main shaft 3 and the second main shaft 5 are equipped with rotary oil cylinders 10, hydraulic chucks or collet chucks, and the rotary oil cylinders 10 drive the hydraulic chucks or collet chucks in the respective main shafts. Clamp or loosen the workpiece.

The Z-direction feed shaft includes a Z-direction feed motor 16 .

The Y feed axis includes a Y feed motor 18 .

Claims (9)

1. a kind of double main shaft combined machines of vertical tool holder, it is characterised in that: it includes being equipped with the first column (2), the first main shaft (3), the pedestal (1) of the second column (4), the second main shaft (5), the first processing that the pedestal (1) is equipped with bilateral symmetry distribution are logical Road and the second processing channel, first column (2), the first main shaft (3) are located at the first processing channel, second column (4), Second main shaft (5) is located at the second processing channel；Be equipped on first column (2) and the second column (4) for turning inner circle, Size, turning end, drilling, bore hole, fraising, interior external screw thread, Milling Process cutter holder assembly；The pedestal (1) Middle part is equipped with the exfoliation channel (1.1) being connected to swarf box, and first column (2), the second column (4) are mounted on pedestal (1) Top surface and bilateral symmetry, the exfoliation channel (1.1) be located at the lower section of the first processing channel and the second processing channel, described One main shaft (3) is mounted on the first column (2), and second main shaft (5) is mounted on the second column (4), first main shaft (3) axis and the axis of the second main shaft (5) are located along the same line；First main shaft (3) and the second main shaft (5) are equipped with interior Concealed synchronous main shaft motor；First main shaft (3) and the second main shaft (5) are equipped with the spindle box for driving workpiece to move along axis； First column (2) and the second column (4) are mounted on X to feed shaft, Y-direction feed shaft, Z-direction feed shaft, and the X is to feeding Axis and the first Z-direction feed shaft are separately mounted to two orthogonal sides of column, the Y-direction feed shaft be mounted on X into To on the saddle of axis and vertical to feed shaft, Z-direction feed shaft with X, the X is equipped with sliding along Y-direction on the saddle of feed shaft Dynamic planker；The cutter holder assembly is mounted on planker and is mounted on side process tool, end face machining tool and radial direction One of the motorcutters of processing and the motorcutters axially processed or two or more any combination；The pedestal (1) is also Equipped with integral type truss manipulator mechanism, the manipulator mechanism includes two truss fixed columns (6), truss crossbeam (7), truss Vertical beam (8), manipulator (9), two truss fixed columns (6) are fixed on the mounting surface of pedestal (1), the truss crossbeam (7) it is mounted on the upper surface of two truss fixed columns (6), the truss crossbeam (7) is equipped with the feed shaft parallel with Z axis above W axis, the truss vertical beam (8) are equipped with the V axis parallel with Y-axis above, and the manipulator (9) passes through truss crossbeam (7) and purlin Workpiece to be processed is taken out from blank feed bin and is sent on spindle chuck by frame vertical beam (8), and by finished work-piece from spindle chuck Middle taking-up is put into finished product bin.

2. a kind of double main shaft combined machines of vertical tool holder according to claim 1, it is characterised in that: be located at the first column (2) cutter holder assembly includes equipped with more the first knife rest (11) of end face processing, equipped with more the second knife rests that side is processed (12) and radially the third knife rest (13) processed, cutter on first knife rest (11) along lower arrangement straight up, towards the The axis of one main shaft (3) and cutter is parallel with the axis of the first main shaft (3)；Cutter on second knife rest (12) and Cutter on one knife rest (11) is vertical, and the cutter on cutter and the second knife rest (12) on the third knife rest (13) is located at first Same a side of column (2).

3. a kind of double main shaft combined machines of vertical tool holder according to claim 1, it is characterised in that: be located at the second column (5) cutter holder assembly includes equipped with more the 4th knife rests (14) end face processing and equipped with more the 5th knife rests that side is processed (15), the cutter on first knife rest (14) is equal along the axis of lower arrangement, direction the second main shaft (5) and cutter straight up It is parallel with the axis of the second main shaft (5)；Cutter on 4th knife rest (14) is vertical with the cutter on the 5th knife rest (15).

4. a kind of double main shaft combined machines of vertical tool holder according to claim 1, it is characterised in that: first main shaft (3) when be moved to the second main shaft (5) closest to position, coaxial from the first main shaft (3) to the second main shaft (5) of workpiece exchange or Coaxial exchange of second main shaft (5) to the first main shaft (3).

5. a kind of double main shaft combined machines of vertical tool holder according to claim 1, it is characterised in that: first main shaft (3) it is coaxially exchanged with workpiece when the second main shaft (5) synchronous rotary.

6. a kind of double main shaft combined machines of vertical tool holder according to claim 1, it is characterised in that: first main shaft (3) and in the center of the second main shaft (5) angling cylinder (10), oil pressure chuck or collet chuck collet, the angling cylinder are equipped with (10) the oil pressure chuck or collet chuck collet clamp or release workpiece in respective main shaft are driven.

7. a kind of double main shaft combined machines of vertical tool holder according to claim 1, it is characterised in that: the Z-direction feed shaft Motor (16) are fed including Z-direction.

8. a kind of double main shaft combined machines of vertical tool holder according to claim 1, it is characterised in that: the cutter holder assembly Servo motor (17) are equipped at the top of motorcutters.

9. a kind of double main shaft combined machines of vertical tool holder according to claim 1, it is characterised in that: the Y-direction feed shaft Motor (18) are fed including Y-direction.