Composite drilling and tapping center for machining disc parts

Abstract

The invention relates to the technical field of machining, in particular to a composite drilling and tapping center for machining disc parts, which comprises a support, an X lead screw unit, a machining unit, a Z lead screw unit and a reverse chamfering mechanism. A pneumatic chuck on the reverse chamfering mechanism takes materials and places a workpiece on a rotary table to be clamped, a camera photographs the workpiece, an X lead screw unit moves the workpiece to a machining position, and a Z lead screw unit drives a main shaft unit to the machining position and is matched with the rotary table in a rotating mode to achieve drilling and tapping of the workpiece. And after drilling and tapping are completed, the reverse chamfering mechanism grabs the workpiece on the rotary table and moves to the corresponding position to be matched with the reverse chamfering stepped drill to complete reverse chamfering machining. The moving distance of the composite drilling and tapping center is short, and the drilling and tapping speed is increased; the camera can realize automatic positioning of the disc type workpiece; the pneumatic chuck realizes quick clamping of the workpiece; the small working table is beneficial to keeping the interior clean and tidy; by means of the integrated reverse chamfering mechanism, reverse chamfering machining and drilling and tapping machining can be directly completed at a time without the help of logistics.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical processing, in particular to a composite drilling and tapping center for processing disc-type parts. Background Art

[0002] With the development of technology, the manufacturing industry has gradually increased its requirements for machining accuracy. Traditional machining equipment can no longer meet the process requirements. The machining center is a CNC machine tool with a higher degree of automation. It can combine milling, drilling and other processes with a high degree of automation. The existing equipment's chamfering structure usually requires the use of a logistics system to turn over workpieces, which affects work efficiency and increases costs. Summary of the invention

[0003] The purpose of the present invention is to overcome the defects of the prior art and to propose a composite drilling and tapping center for processing disc-type parts. By integrating a reverse chamfering mechanism, the reverse chamfering processing and drilling and tapping processing can be completed directly at one time without the help of logistics.

[0004] To achieve the above object, the present invention adopts the following specific technical solutions:

[0005] The composite drilling and tapping center for processing disk-type parts provided by the present invention comprises a bracket, an X-screw unit, a processing unit, a Z-screw unit, and a reverse chamfering mechanism;

[0006] The bracket includes a lower bed and a column, and the column is fixedly mounted on the lower bed;

[0007] The X-screw unit includes an X-guide rail, an X-screw, an X-slide plate, and an X-servo motor. The X-guide rail is fixedly mounted on the lower bed. The X-servo motor drives the X-slide plate to move in the X direction along the X-guide rail through the X-screw. A turntable is arranged on the X-slide plate, and the turntable can move together with the X-slide plate.

[0008] The machining unit includes a spindle unit, a spindle box, a tool-breaking cylinder, a tool magazine, a tool-changing claw, a spindle motor, and a camera. The spindle unit is located in the spindle box, the tool-breaking cylinder is located above the spindle box, and the tool magazine is located on one side of the column. The tool-changing claw grabs the tool by rotating and then installs it on the spindle unit. The spindle motor drives the spindle unit to rotate when it is working. The camera is set on one side of the spindle box to capture the image of the workpiece.

[0009] The Z screw unit includes a Z guide rail, a Z screw, a Z servo motor, and a Z slider. The Z guide rail is fixed on the column. The Z servo motor drives the Z slider to move in the Z direction along the Z guide rail through the Z screw. The spindle box equipped with the spindle unit and the knife cylinder is installed on the guide slider and moves along the Z guide rail in the Z direction.

[0010] The reverse chamfering mechanism includes a reverse chamfering Y-direction base, a reverse chamfering Y-direction guide rail, a reverse chamfering Y-direction lead screw, a reverse chamfering Y-direction slide plate, a reverse chamfering Y-direction servo motor, a reverse chamfering Z-direction guide rail, a reverse chamfering Z-direction lead screw, a reverse chamfering Z-direction slide plate, a reverse chamfering Z-direction servo motor, a chamfering turntable, a chamfering turntable motor, a chuck, a reverse chamfering step drill, and a reverse chamfering motor;

[0011] The reverse chamfering Y-direction base is fixedly installed on the side of the column, the reverse chamfering Y-direction guide rail is installed on the reverse chamfering Y-direction base, and the reverse chamfering Y-direction servo motor drives the reverse chamfering Y-direction slide plate to move in the Y direction along the reverse chamfering Y-direction guide rail through the reverse chamfering Y-direction lead screw; the reverse chamfering Z-direction guide rail is installed on the reverse chamfering Y-direction slide plate, and the reverse chamfering Z-direction servo motor drives the reverse chamfering Z-direction slide plate to move in the Z direction along the reverse chamfering Z-direction guide rail through the reverse chamfering Z-direction lead screw; the chamfering turntable, the chamfering turntable motor, and the chuck are installed on the reverse chamfering Z-direction slide plate, and the reverse chamfering step drill and the reverse chamfering motor are installed on the lower bed.

[0012] Preferably, the chuck is a pneumatic chuck to achieve rapid clamping of the workpiece.

[0013] The present invention can achieve the following technical effects:

[0014] The composite drilling and tapping center for processing disc-type parts provided by the present invention has a short moving distance to improve the drilling and tapping speed; a camera can realize automatic positioning of disc-type workpieces; a pneumatic chuck can realize rapid clamping of workpieces; a smaller work surface is conducive to keeping the interior clean and tidy; and a reverse chamfering mechanism is integrated, so that reverse chamfering processing and drilling and tapping processing can be completed directly at one time without the help of logistics. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of a composite drilling and tapping center for processing disk-type parts according to an embodiment of the present invention;

[0016] Figure 2 is a schematic structural diagram of another perspective of a composite drilling and tapping center for processing disk-like parts provided by an embodiment of the present invention;

[0017] Figure 3 2 is a schematic structural diagram of a reverse chamfering mechanism provided according to an embodiment of the present invention.

[0018] Reference numerals include:

[0019] Lower bed 1, column 2, X-direction guide rail 3, X-direction lead screw 4, X-direction slide 5, X-direction servo motor 6, turntable 7, Z-direction guide rail 8, Z-direction lead screw 9, Z-direction servo motor 10, spindle unit 11, tool cylinder 12, tool magazine 13, spindle motor 14, reverse chamfering Y-direction base 15, reverse chamfering Y-direction guide rail 16, reverse chamfering Y-direction lead screw 17, reverse chamfering Y-direction slide 18, reverse chamfering Y-direction servo motor 19, reverse chamfering Z-direction guide rail 20, reverse chamfering Z-direction lead screw 21, reverse chamfering Z-direction slide 22, reverse chamfering Z-direction servo motor 23, chamfering turntable 24, chamfering turntable motor 25, chuck 26, reverse chamfering step drill 27, reverse chamfering motor 28, camera 29. DETAILED DESCRIPTION

[0020] Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the following description, the same modules are represented by the same reference numerals. In the case of the same reference numerals, their names and functions are also the same. Therefore, the detailed description thereof will not be repeated.

[0021] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and do not constitute a limitation of the present invention.

[0022] The embodiment of the present invention provides a composite drilling and tapping center for processing disc-type parts, and its structure is as follows: Figure 1 and Figure 2 As shown, it includes a bracket, an X-screw unit, a processing unit, a Z-screw unit, and a reverse chamfering mechanism.

[0023] The bracket comprises a lower bed 1 and a column 2 , and the column 2 is fixedly mounted on the lower bed 1 .

[0024] The X-screw unit includes an X-guide rail 3, an X-screw 4, an X-slide plate 5, and an X-servo motor 6. The X-guide rail 3 is fixedly mounted on the lower bed 1, and the X-servo motor 6 drives the X-slide plate 5 to move in the X direction along the X-guide rail 3 through the X-screw 4. A turntable 7 is provided on the X-slide plate 5, and the turntable 7 can move together with the X-slide plate 5.

[0025] The machining unit includes a spindle unit 11, a spindle box, a tool-breaking cylinder 12, a tool magazine 13, a tool-changing claw, a spindle motor 14, and a camera 29. The spindle unit 11 is located in the spindle box, the tool-breaking cylinder 12 is located above the spindle box, the tool magazine 13 is located on one side of the column 2, the tool-changing claw grabs the tool in the tool magazine 13 by rotating and then installs it on the spindle unit 11, and the spindle motor 14 drives the spindle unit 11 to rotate when working; the camera 29 is set on one side of the spindle box to capture the workpiece image.

[0026] The Z screw unit includes a Z guide rail 8, a Z screw 9, a Z servo motor 10, and a Z slider. The Z guide rail 8 is fixed on the column 2, and the Z servo motor 10 drives the Z slider to move along the Z guide rail 8 in the Z direction through the Z screw 9. The spindle box equipped with the spindle unit 11 and the knife cylinder 12 is installed on the guide slider to move along the Z guide rail 8 in the Z direction.

[0027] The reverse chamfering mechanism includes a reverse chamfering Y-direction base 15, a reverse chamfering Y-direction guide rail 16, a reverse chamfering Y-direction screw 17, a reverse chamfering Y-direction slide plate 18, a reverse chamfering Y-direction servo motor 19, a reverse chamfering Z-direction guide rail 20, a reverse chamfering Z-direction screw 21, a reverse chamfering Z-direction slide plate 22, a reverse chamfering Z-direction servo motor 23, a chamfering turntable 24, a chamfering turntable motor 25, a chuck 26, a reverse chamfering step drill 27, and a reverse chamfering motor 28.

[0028] The Y-direction base 15 for reverse chamfering is fixedly mounted on the side of the column 2, the Y-direction guide rail 16 for reverse chamfering is mounted on the Y-direction base 15, and the Y-direction servo motor 19 for reverse chamfering drives the Y-direction slide plate 18 to move in the Y direction along the Y-direction guide rail 16 through the Y-direction lead screw 17. The Z-direction guide rail 20 for reverse chamfering is mounted on the Y-direction slide plate 18, and the Z-direction servo motor 23 for reverse chamfering drives the Z-direction slide plate 22 to move in the Z direction along the Z-direction guide rail 20 through the Z-direction lead screw 21. The chamfering turntable 24, the chamfering turntable motor 25, and the chuck 26 are mounted on the Z-direction slide plate 22, and the step drill 27 for reverse chamfering and the motor 28 for reverse chamfering are mounted on the lower bed 1.

[0029] Embodiment: Install the BT50 spindle unit 11 into the spindle box, install the knife-beating cylinder 12 above the spindle box, install the Z-direction guide rail 8 on the column 2, assemble the Z-direction screw 9, the Z-direction servo motor 10, and the Z-direction slider into a Z-direction screw unit, install the spindle box with the spindle unit 11 and the knife-beating cylinder 12 installed on the Z-direction slider and connect it to the Z-direction screw 9. When the Z-direction servo motor 10 drives the Z-direction screw 9 to rotate through the coupling, the Z-direction screw 9 will drive the spindle box to make a linear motion along the Z-direction guide rail 8, thereby realizing the feeding motion in the Z-axis direction. Then install the synchronous pulley on the output shaft of the spindle motor 14, and then install the spindle motor 14 on the spindle box, connect the spindle motor 14 and the spindle unit 11 with a synchronous belt, and when the spindle motor 14 works, it will drive the spindle unit 11 to rotate. The camera 29 is arranged on one side of the spindle box, and the integrated tool magazine 13 and the tool changing claw are installed on the side of the column 2. The tool changing claw is installed on the spindle unit 11 by rotating to grab the tool.

[0030] The X-direction guide rail 3 is mounted on the lower bed 1, and the X-direction slide plate 5 is connected to the lower bed 1 through the X-direction guide rail 3 and the X-direction lead screw 4. The X-direction servo motor 6 drives the X-direction slide plate 5 to move in the X direction along the X-direction guide rail 3 through the X-direction lead screw 4. A turntable 7 is mounted on the X-direction slide plate 5, and a counter-chamfering step drill 27 and a counter-chamfering motor 28 are mounted on the lower bed 1. A hydraulic station is also mounted on the lower bed 1. The column 2 is connected to the lower bed 1.

[0031] The reverse chamfering Y-direction guide rail 16 is installed on the reverse chamfering Y-direction base 15, and the reverse chamfering Y-direction servo motor 19 drives the reverse chamfering Y-direction slide plate 18 to move in the Y direction along the reverse chamfering Y-direction guide rail 16 through the reverse chamfering Y-direction lead screw 17. The reverse chamfering Z-direction guide rail 20 is installed on the reverse chamfering Y-direction slide plate 18, and the reverse chamfering Z-direction servo motor 23 drives the reverse chamfering Z-direction slide plate 22 to move in the Z direction along the reverse chamfering Z-direction guide rail 20 through the reverse chamfering Z-direction lead screw 21. The chamfering turntable 24, the chamfering turntable motor 25, and the chuck 26 are installed on the reverse chamfering Z-direction slide plate 22, and the reverse chamfering Y-direction base 15 is fixedly installed on the side of the column 2 to complete the installation of the reverse chamfering mechanism.

[0032] During operation, the pneumatic chuck 26 on the reverse chamfering mechanism will extend out of the machine tool to pick up materials, the X-axis servo motor 6 will drive the X-axis slide 5 and the turntable 7 to pick up the workpiece for drilling and tapping, the pneumatic chuck 26 will clamp the workpiece on the turntable 7, the camera 29 on the side of the spindle box will take a picture of the workpiece, and the workpiece will be moved to the processing position through the X-axis guide 3. The tool magazine 13 rotates, and the tool changing claw takes the corresponding tool from the tool magazine 13 and installs it on the spindle unit 11. The Z-axis servo motor 10 drives the Z-axis slide and the spindle box to move downward along the Z-axis direction, and the spindle motor 14 drives the spindle unit 11 to rotate, and cooperates with the rotation of the turntable 7 to complete the drilling and tapping of the workpiece.

[0033] After drilling and tapping are completed, the X-axis slide 5 moves to the left side of the X-axis guide rail 3, and the chamfering turntable 24 of the reverse chamfering mechanism grabs the workpiece on the turntable 7, and the reverse chamfering Y-axis servo motor 19 and the reverse chamfering Z-axis servo motor 23 respectively drive the reverse chamfering Y-axis slide 18 and the reverse chamfering Z-axis slide 22 to move in the Y and Z directions along the reverse chamfering Y-axis guide rail 16 and the reverse chamfering Z-axis guide rail 20, and the reverse chamfering processing is completed on the reverse chamfering step drill 27 in coordination with the rotation of the chamfering turntable 24.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0035] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

[0036] The above specific implementations of the present invention do not constitute a limitation on the protection scope of the present invention. Any other corresponding changes and modifications made based on the technical concept of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A composite drilling and tapping center for processing disc-type parts, characterized in that: It includes a bracket, an X screw unit, a processing unit, a Z screw unit, and a reverse chamfering mechanism; The bracket comprises a lower bed (1) and a column (2), wherein the column (2) is fixedly mounted on the lower bed (1); The X-direction lead screw unit comprises an X-direction guide rail (3), an X-direction lead screw (4), an X-direction slide plate (5), and an X-direction servo motor (6); the X-direction guide rail (3) is fixedly mounted on the lower bed (1); the X-direction servo motor (6) drives the X-direction slide plate (5) to move in the X direction along the X-direction guide rail (3) via the X-direction lead screw (4); a turntable (7) is arranged on the X-direction slide plate (5), and the turntable (7) can move together with the X-direction slide plate (5); The machining unit comprises a spindle unit (11), a spindle box, a tool-beating cylinder (12), a tool magazine (13), a tool-changing claw, a spindle motor (14), and a camera (29); the spindle unit (11) is located in the spindle box, the tool-beating cylinder (12) is located above the spindle box, the tool magazine (13) is located on one side of the column (2), the tool-changing claw grabs the tool by rotating and then installs it on the spindle unit (11), and the spindle motor (14) drives the spindle unit (11) to rotate when working; the camera (29) is arranged on one side of the spindle box for capturing the image of the workpiece; The Z screw unit comprises a Z guide rail (8), a Z screw (9), a Z servo motor (10), and a Z slider. The Z guide rail (8) is fixed on the column (2). The Z servo motor (10) drives the Z slider to move along the Z guide rail (8) in the Z direction through the Z screw (9). The spindle box equipped with a spindle unit (11) and a knife-beating cylinder (12) is installed on the guide slider and moves along the Z guide rail (8) in the Z direction. The reverse chamfering mechanism comprises a reverse chamfering Y-direction base (15), a reverse chamfering Y-direction guide rail (16), a reverse chamfering Y-direction lead screw (17), a reverse chamfering Y-direction slide plate (18), a reverse chamfering Y-direction servo motor (19), a reverse chamfering Z-direction guide rail (20), a reverse chamfering Z-direction lead screw (21), a reverse chamfering Z-direction slide plate (22), a reverse chamfering Z-direction servo motor (23), a chamfering turntable (24), a chamfering turntable motor (25), a chuck (26), a reverse chamfering step drill (27), and a reverse chamfering motor (28); The Y-direction reverse chamfering base (15) is fixedly mounted on the side of the column (2); the Y-direction reverse chamfering guide rail (16) is mounted on the Y-direction reverse chamfering base (15); the Y-direction reverse chamfering servo motor (19) drives the Y-direction reverse chamfering slide plate (18) to move along the Y-direction reverse chamfering guide rail (16) in the Y direction through the Y-direction reverse chamfering lead screw (17); the Z-direction reverse chamfering guide rail (20) is mounted on the Y-direction reverse chamfering slide plate (18); the Z-direction reverse chamfering servo motor (23) drives the Z-direction reverse chamfering slide plate (22) to move along the Z-direction reverse chamfering guide rail (20) in the Z direction through the Z-direction reverse chamfering lead screw (21); the chamfering turntable (24), the chamfering turntable motor (25), and the chuck (26) are mounted on the Z-direction reverse chamfering slide plate (22); and the step drill (27) and the motor (28) are mounted on the lower bed (1).

2. The composite drilling and tapping center for processing disc-type parts according to claim 1, characterized in that: The chuck (26) is a pneumatic chuck for realizing fast clamping of workpieces.

Images