CN206455199U - The polyaxial multistation automatic drill hole milling assembly line of section bar - Google Patents

Abstract

The utility model discloses a multi-axial and multi-station automatic drilling and milling combination production line for profiles, which comprises a multi-station drilling host, an automatic feeder and a CNC control system, the automatic feeder and the multi-station drill The main machine is docked so that the working surfaces of the two main machines are on the same plane; the multi-station drilling main machine includes a frame, on which a gantry frame is installed, and at least one hole is installed on the gantry frame to drill holes on the side of the workpiece Drilling device, at least one drilling device for drilling the top of the workpiece and a pressing mechanism; the drilling device for drilling the side of the workpiece is driven to move up and down in the vertical direction by the lifting mechanism; the pressing mechanism is used for clamping To tighten the workpiece, the CNC control system controls the movement of the automatic feeder, drilling device, lifting mechanism and pressing mechanism.

Description

Profile multi-axial multi-station automatic drilling and milling combination production line

technical field

The utility model relates to the field of numerical control processing, in particular to a multi-axial and multi-station automatic drilling and milling combined production line for profiles.

Background technique

At present, China's manufacturing industry is in a period of vigorous development, and the demand for drilling of various workpieces is very large. Therefore, CNC drilling machines are being used more and more widely, which also makes the current domestic CNC drilling machines have a large market demand. . At present, most of the CNC drilling machines produced by domestic enterprises only have one drill bit. When faced with large-scale processing tasks, the work efficiency is low, and the labor intensity of the operators is relatively high.

When increasing the number of drill bits, it not only requires an increase in the space structure, but also ensures a high relative position accuracy between each processing head. At the same time, due to the increase in the number of drill bits, the machine tool has to bear more The cutting force will reduce the stability and precision of the machine tool.

And when there are holes on many sides of the workpiece, it is necessary to perform secondary positioning before drilling, which increases the difficulty of processing, reduces the processing efficiency, and also greatly reduces the processing accuracy of the workpiece.

Although the multi-axial punching machine can also realize the multi-axial and multi-station hole making of the workpiece, its hole making accuracy is obviously lower than the drilling accuracy, which cannot meet the needs of high-precision machining.

Utility model content

In order to solve the shortcomings of the prior art, the utility model provides a profile multi-axial multi-station automatic drilling and milling combination production line with strong versatility, high processing efficiency and low manufacturing cost.

The technical scheme that the utility model adopts is as follows:

A multi-axial and multi-station automatic drilling and milling combined production line for profiles, including a multi-station drilling main machine, an automatic feeder and a CNC control system, the automatic feeder and the multi-station drilling main machine docking to achieve the state that the working surfaces of the two hosts are on the same plane; the multi-station drilling host includes a frame, and a gantry frame is installed on the frame, and at least one A drilling device for drilling the side of the workpiece, at least one drilling device for drilling the top of the workpiece, and a pressing mechanism; the drilling device for drilling the side of the workpiece is driven by a lifting mechanism in a vertical The direction moves up and down; the pressing mechanism is used to clamp the workpiece, and the CNC control system controls the movement of the automatic feeder, drilling device, lifting mechanism and pressing mechanism.

Through the multi-station drilling machine, it is possible to process a variety of hole types at one time and reduce the processing procedures; the drilling and milling heads for drilling and milling holes are relatively independent. When holes of different specifications need to be processed, the independent drilling and milling heads can be replaced. It is more convenient to adjust and manage when the workpiece specification and pass type are changed.

Further, the number of the drilling devices can be adjusted according to the requirements of different profiles.

Further, the described drilling device for drilling the side of the workpiece includes four, of the four described drilling devices, two of them are arranged on one side of the gantry, and the other two are arranged on the other side of the gantry. On the side, the four drilling devices are distributed in a rectangular shape.

Further, the drilling device for drilling the top of the workpiece includes two, and the two drilling devices are arranged on the same side of the portal frame and distributed symmetrically; or located on different sides of the portal frame.

Further, the structures of the drilling devices for drilling the side of the workpiece are exactly the same, each including a servo motor, a motor mount, a drilling machine, a drilling machine mounting plate and a ball screw nut pair; the servo motor Installed on the motor fixing seat, the servo motor drives the ball screw nut pair, the ball screw nut pair drives the drilling machine mounting plate, and the drilling machine mounting plate is installed with the drilling machine; The two sides of the lead screw nut pair are equipped with a linear guide rail slider pair I, and the drilling machine mounting plate slides back and forth along the linear guide rail slider pair I through pads; the linear guide rail slider pair I is installed on the slider mounting plate Above, the bottom of the slider mounting plate is installed on the linear guide rail slider pair II, the linear guide rail slider pair II and the linear guide rail slider pair I are perpendicular to each other, and the linear guide rail slider pair II is vertically fixed On the gantry.

Further, the lifting mechanism includes a screw rod, a bearing seat, a bearing, a screw nut seat and a lock nut, the screw rod is vertically arranged, one end of which is matched with a bearing, and the bearing is installed on the bearing seat, The bearing is locked by a lock nut, and the bearing seat is fixed on the gantry frame; the screw rod is matched with the nut seat, and the nut seat is fixed on the slider mounting plate. The nut base is driven to move up and down by the screw rod, and the nut base drives the slider mounting plate to move up and down, and then the slider mounting plate drives the corresponding drilling device to move up and down.

Further, the linear guide rail slider pair II is located on both sides of the lifting mechanism.

Further, the drilling device for drilling the top of the workpiece includes a servo motor, a motor mounting base, a drilling machine, a drilling machine mounting plate and a ball screw nut pair; the servo motor is installed on the motor fixing base, and the The above servo motor drives the ball screw nut pair, the ball screw nut pair drives the drilling machine mounting plate, and the drilling machine mounting plate is installed with a drilling machine; the ball screw nut pair is installed on both sides Linear guide rail slide block pair 1 is vertically fixed on the portal frame.

Further, the pressing device includes a workbench fixed on the gantry frame and perpendicular to the gantry frame. The workbench includes two symmetrically arranged on both sides of the gantry frame. A cylinder mount II is installed at the end of the workbench, and a cylinder II driven vertically downward is installed on the cylinder mount II, and a compression block is installed at the end of the cylinder II; the work on the other side There is a cylinder mount II fixed on the gantry above the table, and a cylinder II driven vertically downward is installed on the cylinder mount II, and a compression block is installed at the end of the cylinder II .

In order to achieve flexible processing of workpieces with different widths, when the clamping device clamps the workpieces, the distance between the workpieces is adjusted by adjusting the clamping device, and the clamping force is provided by the cylinder; and for different lengths and different hole processing positions, through Adjust the position of the fixture to adapt to the processing of different workpieces.

Further, the automatic feeder includes a feeder base and an automatic feeding device, and the automatic feeder is installed on the feeder base; because the automatic feeder is included, manual positioning can be omitted, and the labor of workers can be reduced. Strength, more accurate and more efficient.

Further, the feeder frame includes a feeder frame, a linear guide rail, a rack and a linear slider, the rack is installed on the feeder frame in parallel with the two linear guide rails, and the two linear guide rails Two linear sliders are matched with each other, and signal sensors are also installed on the two linear guide rails.

Further, the automatic feeding device includes a bottom plate of the automatic feeding device, a jaw, a servo motor, and a transmission device. The chuck and the transmission device are fixed on the bottom plate, and the servo motor is connected to the The strips cooperate to drive the bottom plate of the automatic feeding device to move back and forth along the linear guide rail.

Processing method of the present utility model is as follows:

Write the processing program according to the requirements of the drawing, and input it into the CNC control system, select the appropriate pressing block to press the workpiece according to the profile specification, and the pressing block also has the function of guiding; put the workpiece on the automatic feeding device, and clamp it with the clamping device Tighten the workpiece; start the CNC control system, and the automatic feeder will feed the workpiece accurately at equal or unequal distances according to the established NC program. To automatically drill and mill holes, when the automatic feeding device triggers the signal sensor on the feeder base, the chuck releases the workpiece, and the automatic feeding device returns to the processing origin to complete the processing of the workpiece.

The beneficial effects of the utility model are as follows:

1. Because it includes an automatic feeder, it can save manual positioning, reduce the labor intensity of workers, and the accuracy is more reliable and the efficiency is higher.

2. Because it includes a multi-station drilling machine, it can process a variety of hole types at one time and reduce the processing procedures.

3. Because the drilling device for drilling holes on the side of the workpiece is fixed on the gantry frame through the linear guide slider pair II, the height of the drilling device can be adjusted by adjusting the screw rod of the lifting mechanism, so it can be used when processing workpieces of different specifications. Adjust easily.

4. Because the drilling and milling heads for drilling and milling holes are relatively independent, when holes of different specifications need to be processed, just replace the independent drilling and milling heads. It is more convenient to adjust and manage when the workpiece specifications and hole types are changed.

5. The drilling machine and the automatic feeding mechanism of the utility model all adopt high-performance servo motors, cooperate with the equipment's precise mechanical design and efficient control system, and strictly guarantee the accuracy and reliability of drilling and milling processing.

6. In order to achieve flexible processing of workpieces with different widths and sizes, when the clamping device clamps the workpieces, the distance between the workpieces is adjusted by adjusting the clamping device, and the clamping force is provided by the cylinder; and for different lengths, different processing positions of holes , by adjusting the position of the fixture to adapt to the processing of different workpieces.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide further understanding of the present application, and the schematic embodiments and descriptions of the present application are used to explain the present application, and do not constitute improper limitations to the present application.

Accompanying drawing 1 general drawing of numerical control multi-axis automatic drilling combination production line;

Accompanying drawing 2 is the schematic diagram of the drilling host of the CNC multi-axis automatic drilling combined production line;

Attached Figure 3 is a schematic diagram of the automatic feeder of the CNC multi-axis automatic drilling combined production line

Accompanying drawing 4 gantry frame;

Accompanying drawing 5 drilling device figure;

Accompanying drawing 6 schematic diagram of lifting mechanism;

Accompanying drawing 7 pressing device;

Accompanying drawing 8 feeder base;

Accompanying drawing 9 automatic feeding device;

In the figure: 1. Drilling host, 2. Automatic feeder, 3. Workpiece, 4. CNC control system, 1.1 Drilling device I, 1.2 Drilling device II, 1.3 Lifting mechanism, 1.4 Drilling device III, 1.5 Compression Device, 1.6 drilling main frame, 1.7 drilling device IV, 1.8 gantry frame, 1.8 (1) backing plate, 1.9 drilling device V, 2.1 feeding machine base, 2.2 automatic feeding device, 1.1-1 servo motor, 1.1 -2 motor mounting seat, 1.1-3 drilling machine, 1.1-4 drilling machine mounting plate, 1.1-5 ball screw nut pair I, 1.1-6 linear guide rail slider pair I, 1.1-7 cushion block, 1.1- 8 slider mounting plate, 1.1-9 linear guide rail slider pair II, 1.3-1 screw rod, 1.3-2 bearing seat, 1.3-3 bearing, 1.3-4 screw female seat, 1.3-5 lock nut, 1.5-1 Workbench, 1.5-2 compression block, 1.5-3 cylinder I, 1.5-4 cylinder mounting seat I, 1.5-5 cylinder II, 1.5-6 cylinder mounting seat II, 2.1-1 feeder frame, 2.1-2 straight line Guide rail, 2.1-3 rack, 2.1-4 linear slider, 2.1-5 signal sensor, 2.2-1 bottom plate of automatic feeding device, 2.2-2 clip, 2.2-3 servo motor, 2.2-4 transmission device.

detailed description

It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and/or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and/or combinations thereof.

As introduced in the background technology, in the prior art, when there are holes on multiple sides of the workpiece, it needs to be drilled after secondary positioning, which increases the difficulty of processing, reduces the processing efficiency, and also makes the workpiece The processing accuracy is greatly reduced. In order to solve the above technical problems, this application proposes a multi-axis, multi-station automatic drilling and milling combined production line for profiles and a processing method thereof.

In a typical implementation of the present application, as shown in Figures 1-4, a multi-axis and multi-station automatic drilling and milling combined production line for profiles includes a multi-station drilling host 1 and an automatic feeder 2 And CNC control system 4, described automatic feeder 2 is docked with described multi-station drilling main machine 1, reaches the state that the working face of two main machines is in the same plane; Described multi-station drilling main machine 1 includes a drill Hole device I1.1, drilling device II1.2, lifting mechanism 1.3, drilling device III1.4, pressing device 1.5, drilling main frame 1.6, drilling device IV1.7, gantry frame 1.8, drilling device V1.9; The automatic feeder 2 includes a feeder base 2.1 and an automatic feeder 2.2.

As shown in Figure 2, drilling device I1.1 has the same structure as drilling device III1.4, drilling device IV1.7, and drilling device V1.9; described drilling device I1.1, drilling device III1.3, drilling device IV1.4, drilling device V1.7 are fixed on the gantry 1.8, and the pressing device 1.5 is also fixed on the gantry 1.8; the gantry 1.8 is fixed on the described drilling host frame 1.6. ,

The drilling and milling heads of drilling device I1.1, drilling device III1.4, drilling device IV1.7, and drilling device V1.9 are relatively independent. When holes of different specifications need to be processed, the independent drilling and milling head can be replaced. , It is more convenient to adjust and manage when the workpiece specification and pass type are changed.

The quantity of drilling device in the above-mentioned utility model can be adjusted as required, for example, only includes drilling device I1.1; Or only includes drilling device I1.1, drilling device III1.4; Or only includes drilling device I1.1; Hole device I1.1, drilling device III1.4, drilling device IV1.7, etc.;

The number of the drilling devices II1.2 can be two, and the two drilling devices II1.2 are located on the same side of the gantry and are symmetrical to each other; or are located on different sides of the gantry.

Further, the drilling device II1.2 includes a servo motor, a motor mounting base, a drilling machine, a drilling machine mounting plate and a ball screw nut pair; the servo motor is installed on the motor fixing base, and the servo motor Drive the ball screw nut pair, the ball screw nut pair drives the drilling machine mounting plate, and the drilling machine mounting plate is installed with the drilling machine; linear guide rail slides are installed on both sides of the ball screw nut pair The block pair I is vertically fixed on the gantry frame, which is not shown in detail in the figure, but can refer to the drilling device I1.1 in Figure 4.

Further, the drilling device I1.1 includes a servo motor 1.1-1, a motor mounting base 1.1-2, a drilling machine 1.1-3, a drilling machine mounting plate 1.1-4, a ball screw nut pair 1.1-5, and a linear guide rail Slider pair I1.1-6, cushion block 1.1-7, slider mounting plate 1.1-8, linear guide rail slider pair II1.1-9, two parallel linear guide rail slider pairs are arranged on both sides I1.1-6, the linear guide rail slider pair I1.1-6 is fixed on the slider mounting plate 1.1-8, and the linear guide rail slider pair II1 is fixed on the slider fixing plate 1.1.8. 1-9; There is a ball screw nut pair 1.1-5 between the two linear guide rail slider pairs I1.1-6, the ball screw nut pair 1.1-5 is fixed on the motor mounting base 1.1-2, A servo motor 1.1-1 is fixed on the motor mount 1.1-2, and the servo motor 1.1-1 is connected with the ball screw nut pair 1.1-5 through the motor mount 1.1-2; The linear guide rail slider pair I1.1-6 is fixed on the cushion block 1.1-7, and the drilling machine connecting plate 1.1-4 is fixed on the described cushion block 1.1-7, and the described drilling machine connecting plate 1.1- The position of 4 can be manually adjusted, and the drilling machine 1.1-3 is fixed on the described drilling machine connecting plate 1.1-4.

The drilling machine and the automatic feeding mechanism of the utility model both adopt high-performance servo motors, cooperate with the precise mechanical design and efficient control system of the equipment, and strictly guarantee the accuracy and reliability of the drilling and milling process.

The drilling speed and feed speed of the drilling machine 1.1-3 are automatically adjusted by the CNC control system 4 according to the requirements of the workpiece 3 to be processed.

The backing plate 1.8(1) is fixed on the gantry 1.8, and the angle of the backing plate 1.8(1) on the gantry 1.8 can be adjusted according to the processing requirements of the workpiece 3.

The lifting mechanism 1.3 includes a screw rod 1.3-1, a bearing seat 1.3-2, a bearing 1.3-3, a screw nut seat 1.3-4, and a lock nut 1.3-5. The screw screw 1.3-1 and the bearing 1.3- 3, the bearing 1.3-3 is installed on the bearing seat 1.3-2, the bearing 1.3-3 is locked by the lock nut 1.3-5; the screw rod 1.3-1 is connected with the The screw nut seat 1.3-4 cooperates, and the said thread nut seat 1.3-4 is fixed on the slider mounting plate 1.1-6. The lifting mechanism 1.3 can complete the manual (automatic) adjustment of the positions of the drilling device I, the drilling device II, the drilling device III, the drilling device IV and the drilling device V respectively.

The pressing device 1.5 includes a workbench 1.5-1, a pressing block 1.5-2, a cylinder I1.5-3, a cylinder mounting seat I1.5-4, a cylinder II1.5-5, and a cylinder mounting seat II1.5 -6, the workbench 1.5-1 and the cylinder mounting seat I1.5-4 are fixed on the gantry 1.8, and the pressing block 1.5-2 is fixed on the cylinder I1.5-4 With the cylinder II1.5-5, the cylinder I1.5-4 is fixed on the cylinder mount I1.5-4, and the cylinder II1.5-5 is installed on the On the cylinder mount II1.5-6. Before the drilling of drilling device I1.1, drilling device II1.2, drilling device III1.3, drilling device IV1.4, and drilling device V1.7, the pressing device 1.5 in the CNC control system 4. Press the workpiece under the control. The clamping device 1.5 is clamped pneumatically. When drilling, the clamping devices 1.5 on both sides are clamped simultaneously; after drilling, the clamping devices 1.5 on both sides are released simultaneously.

In order to achieve flexible processing of workpieces with different widths, when the clamping device clamps the workpieces, the distance between the workpieces is adjusted by adjusting the clamping device, and the clamping force is provided by the cylinder; and for different lengths and different hole processing positions, through Adjust the position of the fixture to adapt to the processing of different workpieces.

The automatic feeder 2 includes a feeder base 2.1 and an automatic feeder 2.2, and the automatic feeder 2.2 is installed on the feeder base 2.1. The automatic feeder 2 can automatically feed the workpiece 3 under the control of the CNC control system 4 according to the specific requirements of the workpiece 3 .

The feeder frame 2.1 includes a feeder frame 2.1-1, a linear guide rail 2.1-2, a rack 2.1-3, a linear slider 2.1-4, and a signal sensor 2.1-5. The rack 2.1- 3 is installed on the frame in parallel with the two linear guide rails 2.1-2, and the two linear guide rails 2.1-2 are respectively matched with two linear slide blocks 2.4-4.

Described automatic feeding device 2.2 comprises automatic feeding device bottom plate 2.2-1, clip 2.2-2, servo motor 2.2-3, transmission device 2.2-4, and described clip 2.2-2 and transmission device 2.2-4 are fixed on On the bottom plate 2.2-1 of the automatic feeding device, the servo motor 2.2-3 is fixed on the transmission device 2.2-4, and the transmission device 2.2-4 cooperates with the rack 2.1-3.

The structure of the clip 2.2-2 is an existing structure, and will not be described in detail here.

The movement of the drilling host 1 and the automatic feeder 2 is controlled by the CNC control system 4 .

Processing method of the present utility model and concrete mode of work are as follows:

Write the processing program according to the requirements of the drawing, and input it into the CNC control system 4, select the appropriate compression block 1.5-2 to compress the workpiece 3 according to the profile specifications, and the compression block 1.5-2 also has a guiding effect; manually place the workpiece 3 on the On the automatic feeding device 2, use the automatic clamping device 2 to clamp the workpiece 3, start the equipment, and the automatic feeding machine 2 will feed the workpiece 3 accurately at equidistant or unequal intervals according to the established NC program. After the previous action is completed, the hole will be drilled The main engine 1 completes multi-station and multi-axial automatic drilling and milling holes according to the established NC program. When the automatic feeding device 2 triggers the signal sensor 2.1-5 on the feeder base, the gripper 2.2-2 releases the workpiece 3 and automatically feeds The device 2 returns to the processing origin to complete the processing of the workpiece 3.

From the above description, it can be seen that the above-mentioned embodiments of the present application have achieved the following technical effects:

1. Through the automatic feeder, manual positioning can be omitted, the labor intensity of workers can be reduced, and the accuracy is more reliable and the efficiency is higher.

2. By including the multi-station drilling main engine, it can realize the processing of various specifications at one time and reduce the processing procedures.

3. The drilling device that drills holes on the side of the workpiece is fixed on the gantry frame through the linear guide slider pair II. The height of the drilling device can be adjusted by adjusting the screw rod of the lifting mechanism, so it can be used when processing workpieces of different specifications. Adjust easily.

4. The drilling and milling head for drilling and milling holes is relatively independent. When it is necessary to process holes of different specifications, just replace the independent drilling and milling head. It is more convenient to adjust and manage when the workpiece specification and hole type change.

5. The drilling machine and the automatic feeding mechanism of the utility model all adopt high-performance servo motors, cooperate with the equipment's precise mechanical design and efficient control system, and strictly guarantee the accuracy and reliability of drilling and milling processing.

6. In order to achieve flexible processing of workpieces with different widths and sizes, when the clamping device clamps the workpieces, the distance between the workpieces is adjusted by adjusting the clamping device, and the clamping force is provided by the cylinder; and for different lengths, different processing positions of holes , by adjusting the position of the fixture to adapt to the processing of different workpieces.

According to the disclosure and teaching of the above specification, those skilled in the art to which the present utility model belongs can also make appropriate changes and modifications to the above embodiment. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the utility model should also fall within the scope of protection of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present utility model.

Claims (9)

1. A multiaxial and multi-station automatic drilling and milling combined production line for profiles, characterized in that it comprises a multi-station drilling main engine, an automatic feeder and a CNC control system, the automatic feeder and the described automatic feeder The multi-station drilling host is docked so that the working faces of the two hosts are on the same plane; the multi-station drilling host includes a frame, and a gantry is installed on the frame, and the gantry The frame is provided with at least one drilling device for drilling the side of the workpiece, at least one drilling device for drilling the top of the workpiece and a pressing mechanism; the drilling device for drilling the side of the workpiece is lifted The mechanism drives it to move up and down in the vertical direction; the pressing mechanism is used to clamp the workpiece, and the CNC control system controls the movement of the automatic feeder, drilling device, lifting mechanism and pressing mechanism. 2. The multi-axial and multi-station automatic drilling and milling combined production line for profiles as claimed in claim 1, wherein the drilling devices for drilling the side of the workpiece include four, and the four Drilling devices, two of which are arranged on one side of the gantry, and the other two are arranged on the other side of the gantry, and the four drilling devices are distributed in a rectangular shape. 3. The multi-axial and multi-station automatic drilling and milling combined production line for profiles as claimed in claim 1, characterized in that, the described drilling device for drilling the top of the workpiece comprises two, and the two The drilling devices are arranged on the same side of the gantry and distributed symmetrically; or on different sides of the gantry. 4. The multi-axial and multi-station automatic drilling and milling combination production line for profiles as claimed in claim 1, characterized in that the drilling devices for drilling the side of the workpiece have the same structure, each including a servo motor, a motor installation Seat, drilling machine, drilling machine mounting plate and ball screw nut pair; the servo motor is installed on the motor fixing seat, the servo motor drives the ball screw nut pair, the ball screw The rod nut pair drives the drilling machine mounting plate, and the drilling machine mounting plate is installed with the drilling machine; the linear guide rail slider pair I is installed on both sides of the ball screw nut pair, and the drilling machine mounting plate passes through the pad along the straight line The guide rail slider pair I slides back and forth; the linear guide rail slider pair I is installed on the slider mounting plate, and the bottom of the slider mounting plate is installed on the linear guide rail slider pair II, and the linear guide rail slider pair II The block pair II and the linear guide rail slider pair I are perpendicular to each other, and the linear guide rail slider pair II is vertically fixed on the gantry. 5. The multi-axial and multi-station automatic drilling and milling combination production line for profiles as claimed in claim 4, characterized in that, the lifting mechanism includes a screw rod, a bearing seat, a bearing, a nut seat and a lock nut, The screw is arranged vertically, one end of which is matched with a bearing, the bearing is mounted on a bearing seat, the bearing is locked by a lock nut, and the bearing seat is fixed on the gantry frame; The screw mandrel cooperates with the said nut seat, and the said nut seat is fixed on the slider mounting plate, and the screw nut seat is driven to move up and down by the screw rod; the said nut seat drives the slider mounting plate to move up and down, and then The slider mounting plate drives the corresponding drilling device to move up and down. 6. The multi-axial and multi-station automatic drilling and milling combination production line for profiles as claimed in claim 1, characterized in that the drilling device for drilling the top of the workpiece includes a servo motor, a motor mounting seat, a drilling machine, Drilling machine mounting plate and ball screw nut pair; the servo motor is installed on the motor fixing seat, the servo motor drives the ball screw nut pair, and the ball screw nut pair drives the drilling Machine mounting plate, drilling machine is installed on the drilling machine mounting plate; Linear guide rail slide block pair 1 is vertically fixed on the gantry frame at the both sides of ball screw nut pair. 7. The multi-axial and multi-station automatic drilling and milling combination production line for profiles as claimed in claim 1, wherein the pressing device comprises a workbench fixed on the gantry and perpendicular to the gantry, and The workbench includes two, which are arranged symmetrically on both sides of the gantry frame respectively. A cylinder mount II is installed on the end of the workbench on one side, and a vertically downward Driven cylinder II, the end of the cylinder II is equipped with a compression block; on the other side of the workbench, there is a cylinder mounting seat II fixed on the gantry frame, and the cylinder mounting seat II is A cylinder II driven vertically downwards is installed, and a compression block is installed at the end of the cylinder II. 8. The multi-axial and multi-station automatic drilling and milling combination production line for profiles as claimed in claim 1, wherein the automatic feeding machine includes a feeding machine base and an automatic feeding device, and the automatic feeding device Installed on the feeder frame; the feeder frame includes a feeder frame, a linear guide rail, a rack and a linear slider, and the rack is installed on the feeder frame in parallel with the two linear guide rails. The above two linear guide rails are respectively matched with two linear sliders, and signal sensors are also installed on the two linear guide rails. 9. The multi-axial and multi-station automatic drilling and milling combination production line for profiles as claimed in claim 8, characterized in that, the automatic feeding device includes a bottom plate of the automatic feeding device, a chuck, a servo motor, and a transmission device, and the The clip and the transmission device are fixed on the bottom plate, and the servo motor cooperates with the rack through the transmission device to drive the bottom plate of the automatic feeding device to move back and forth along the linear guide rail.