CN214641690U

CN214641690U - Multi-shaft combined rotary numerical control gantry multi-workpiece drilling and milling device

Info

Publication number: CN214641690U
Application number: CN202120574187.1U
Authority: CN
Inventors: 张立群; 孙强
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-11-09
Anticipated expiration: 2031-03-22

Abstract

The utility model belongs to the machining equipment among the machinery trade, in particular to numerical control planer-type multistation brill mills device is turned round in multiaxis combination. A rotary disk is arranged between an upper clamping disk and a lower clamping disk, the upper clamping disk and the lower clamping disk are fixedly connected with a main shaft of a numerical control gantry machine tool, four vertical rods are fixed below the rotary disk at 90 degrees, four gear shafts in meshed transmission connection with a first intermediate gear are arranged on a lower box plate at 90 degrees in a radiation mode, the peripheries of the four gear shafts are all in meshed transmission connection with a second intermediate gear, the second intermediate gear is in meshed transmission connection with the second intermediate gear in the direction of 90 degrees at the positions I, II, III and IV on the lower box plate, and the three second intermediate gears on the peripheries of the four second intermediate gears are all in meshed transmission connection with the gear shafts. A plurality of workpieces can be drilled and milled on a large machine tool simultaneously, the drilling, tapping and milling cutter combination is installed at one time, and the rotary machining does not need to automatically change cutters.

Description

Multi-shaft combined rotary numerical control gantry multi-workpiece drilling and milling device

Technical Field

The utility model belongs to the machining equipment among the machinery trade, in particular to numerical control planer-type multistation brill mills device is turned round in multiaxis combination.

Background

At present, when workpieces are machined in a drilling and milling process in the domestic machining industry, a numerical control machine tool is automatically changed to machine a single workpiece, a gantry milling machine finishes drilling, tapping and milling multiple workpieces at one time, the process is blank at present, the drilling, tapping and milling processes on the gantry milling machine need to be changed for multiple times, time and labor are wasted, and the production efficiency is low.

Disclosure of Invention

An object of the utility model is to overcome above-mentioned technique not enough, provide a compact structure, flexible operation convenience, multiaxis combination gyration numerical control longmen multiplex spare that machining precision is high bores and mills device.

The utility model provides a technical scheme that technical problem adopted is: the multi-shaft combined rotary numerical control gantry multi-workpiece drilling and milling device comprises a numerical control gantry machine tool main shaft, a central gear, an upper box plate, a lower box plate, a connecting rod and upright rods, and is characterized in that a rotary disc is arranged between an upper clamping disc and a lower clamping disc, the upper clamping disc and the lower clamping disc are fixedly connected with the numerical control gantry machine tool main shaft, the central holes of the upper clamping disc, the rotary disc and the lower clamping disc are jointly connected with the numerical control gantry machine tool main shaft, an arc-shaped convex block is arranged on the lower end surface of the lower clamping disc, a servo motor is fixed above a non-circular side surface of the upper clamping disc, a driving bevel gear is arranged on an output shaft of the servo motor, the driving bevel gear is in meshing transmission connection with a driven bevel gear, the driven bevel gear is arranged at the upper end of a vertical shaft, the gear is in meshing transmission connection with a fluted disc, the fluted disc is fixed on the upper edge of the rotary disc, and four upright rods are fixed below the rotary disc at 90 degrees, the lower end of the vertical rod is fixedly connected with the center above the upper box plate, the center of the upper box plate is provided with a central shaft, the lower end of the central shaft is provided with a central gear, the central gear is in meshing transmission connection with four medium gears I forming 90 degrees, the medium gears I are connected with the core rod through the medium gear shafts I, the periphery of the core rod is provided with a spring I, the edge of the upper box plate is fixedly connected with the lower box plate through a plurality of connecting rods, the lower box plate is provided with four gear shafts in 90-degree radiation type, the periphery of the four gear shafts is in meshing transmission connection with a medium gear II, the lower end of the medium gear shaft II is fixed on the upper box plate through nuts, the medium gear II is in meshing transmission connection with the four medium gears II forming 90-degree direction at the positions of I, II, III and IV on the lower box plate, the central medium gear II is in meshing transmission connection with the four medium gears II forming 90-degree direction, the periphery of the four medium gears II are in meshing transmission connection with the four medium gears II, the gear shaft is connected with the short shaft through a bearing, and the upper end of the short shaft is fixed on the upper box plate through a nut.

The utility model has the advantages that: the multi-workpiece drilling and milling device of the multi-axis combined rotary numerical control gantry can be used for simultaneously drilling and milling a plurality of workpieces on a large machine tool, the drilling and tapping milling cutter combination is installed at one time, the cutters are not required to be automatically changed in rotary machining, the device is compact in structure, convenient and flexible to operate, high in production efficiency, and the quality of the machined workpieces is guaranteed.

Drawings

The following description is made in detail by way of example with reference to the accompanying drawings.

FIG. 1 is a structural section view of a multi-shaft combined rotary numerical control gantry multi-workpiece drilling and milling device.

Fig. 2 is a sectional view a-a of fig. 1.

Fig. 3 is a front view of the lower clamping disk arrangement of fig. 1.

Fig. 4 is a top view of fig. 3.

Fig. 5 is a front view of the turntable platter structure of fig. 1.

Fig. 6 is a top view of fig. 5.

Fig. 7 is a top view of the upper clamping disk structure of fig. 1.

Fig. 8 is a sectional view B-B of fig. 7.

In the figure, 1-a main shaft of a numerical control gantry machine tool; 2-a servo motor; 3-a driving bevel gear; 4-a driven bevel gear; 5-vertical shaft; 6-gear; 7-a fluted disc; 8-upper clamping disc; 9-a rotary disc; 9-1-mounting holes; 9-2-upright rod connecting holes; 10-lower clamping disk; 11-a bump; 12-erecting a rod; 13-core bar; 14-spring one; 15-a first intermediate gear shaft; 16-upper box plate; 17-a bearing; 18-minor axis; 19-a connecting rod; 20-lower box plate; 21-gear shaft; 22-intermediate gear I; 23-a sun gear; 24-a central axis; 25-steel ball; 26-spring two; 27-bolt; 28-intermediate gear II; 29-second intermediate gear shaft.

Detailed Description

In the embodiment, referring to attached figures 1-8, the multi-spindle combined rotary numerical control gantry multi-workpiece drilling and milling device is characterized in that a rotary disc 9 is arranged between an upper clamping disc 8 and a lower clamping disc 10 through a numerical control gantry machine tool spindle 1, the upper clamping disc 8 and the lower clamping disc 10 are fixedly connected with the numerical control gantry machine tool spindle 1, the rotary shaft 9 is movably connected with the numerical control gantry machine tool spindle 1, and the numerical control gantry machine tool spindle 1 is commonly connected with central holes of the upper clamping disc 8, the rotary disc 9 and the lower clamping disc 10. An arc-shaped lug 11 is fixedly arranged on the lower end face of the lower clamping disc 10 in a circular ring shape through a bolt, the servo motor 2 is fixed above a non-circular side face of the upper clamping disc 8, and the connection face of the upper clamping disc 8 and the rotary disc 9 is positioned through a second steel ball 25 and a second spring 26 on the periphery of the bolt 27. The output shaft of the servo motor 2 is provided with a driving bevel gear 3, the driving bevel gear 3 is engaged and connected with a driven bevel gear 4 in a transmission way, the driven bevel gear 4 is arranged at the upper end of a vertical shaft 5, the vertical shaft 5 is arranged on an upper clamping disc 8 in a penetrating way, the lower end of the vertical shaft 5 is provided with a gear 6, the gear 6 is engaged and connected with a fluted disc 7 in a transmission way, and the fluted disc 7 is fixed on the upper edge of a rotary disc 9. Four upright posts 12 are fixed at the lower edge of the rotary disk 9 at 90 degrees through upright post connecting holes 9-1, and the lower ends of the upright posts 12 are fixedly connected above an upper box plate 16. A central shaft 24 is arranged in the center of the upper box plate 16, a central gear 23 is arranged at the lower end of the central shaft 24, the central gear 23 is in meshing transmission connection with four medium gears I22 arranged at 90 degrees, the medium gears I22 are connected to the core rod 13 through medium gear shafts I15, and a spring I14 is sleeved on the core rod 13. The lower box plate 20 is fixedly connected to the edge of the upper box plate 16 by four connecting rods 19. Four gear shafts 21 in meshing transmission connection with a first intermediate gear 22 are arranged on the lower box plate 20 in a 90-degree radiation mode, four gear shafts 21 are in meshing transmission connection with a second intermediate gear 28, the second intermediate gear 28 is arranged at the lower end of a second intermediate gear 29, and the upper end of the second intermediate gear 29 is fixed on the upper box plate 16 through nuts. The second intermediate gear 28 is in meshing transmission connection with four second intermediate gears 28 in 90-degree directions at the positions I, II, III and IV on the lower box plate 20 to form a central second intermediate gear 28. Three intermediate gears 28 on the periphery of the four intermediate gears II are all in meshed transmission connection with a gear shaft 21, the gear shaft 21 is connected with a short shaft 18 through a bearing 17, and the upper end of the short shaft 18 is fixed on the upper box plate 16 through a nut. A drill bit is arranged on the first group device, a screw tap is arranged on the second group device, a vertical milling cutter is arranged on the third group device, and a cutter is selected on the fourth group device, so that the processes of drilling, tapping and milling can be completed at one time.

The utility model discloses a theory of operation is: after a servo motor 2 of the multi-shaft combined rotary numerical control gantry multi-workpiece drilling and milling device is started, a driving bevel gear 3 rotates, a gear 6 and a fluted disc 7 below a vertical shaft 5 are driven to rotate through a driven bevel gear 4, and a rotary disc 9 fixedly connected with the fluted disc 7 rotates simultaneously with an upper box plate 16 and a lower box plate 20 which are connected with the rotary disc through upright rods 12. The central shaft 24 and the central gear 23 in the middle of the upper box plate 16 rotate, and the first intermediate gear 22 and the gear shaft 21 are driven to rotate. When the first group of core rods 13 rotate to the position of the bump 11, the first group of gear shafts 21 rotate, the second group of gear shafts II, III and IV do not rotate, when the second group of core rods 13 rotate to the position of the bump 11, the first group of gear shafts III and IV do not rotate, the steel balls 25 position the positioning holes on the rotary disc 9, the servo motor 2 controls the rotary disc 9, the numerical control gantry machine tool spindle 1 moves up and down, the transverse and longitudinal workbench moves, and multi-workpiece rotary drilling, tapping and milling are completed.

Claims

1. A multi-shaft combined rotary numerical control gantry multi-workpiece drilling and milling device comprises a numerical control gantry machine tool spindle (1), a central shaft (24), a central gear (23), an upper box plate (16), a lower box plate (20), a connecting rod (19) and a vertical rod (12), and is characterized in that a rotary disc (9) is arranged between an upper clamping disc (8) and a lower clamping disc (10), the upper clamping disc (8) and the lower clamping disc (10) are fixedly connected with the numerical control gantry machine tool spindle (1), the numerical control gantry machine tool spindle (1) is jointly connected in central holes of the upper clamping disc (8), the rotary disc (9) and the lower clamping disc (10), an arc-shaped convex block (11) is arranged on the lower end face of the lower clamping disc (10), a servo motor (2) is fixed above a non-circular side face of the upper clamping disc (8), and a driving bevel gear (3) is arranged on an output shaft of the servo motor (2), the driving bevel gear (3) is in meshing transmission connection with a driven bevel gear (4), the driven bevel gear (4) is arranged at the upper end of a vertical shaft (5), a gear (6) is arranged at the lower end of the vertical shaft (5), the gear (6) is in meshing transmission connection with a fluted disc (7), the fluted disc (7) is fixed on the edge above a rotary disc (9), four vertical rods (12) are fixed below the rotary disc (9) at 90 degrees, the lower ends of the vertical rods (12) are fixedly connected with the center above an upper box plate (16), a central shaft (24) is arranged at the center of the upper box plate (16), a central gear (23) is arranged at the lower end of the central shaft (24), the central gear (23) is in meshing transmission connection with four medium gears (22) at 90 degrees, the medium gears (22) are connected with a core rod (13) through medium gear shafts (15), a spring (14) is arranged on the periphery of the core rod (13), the edge of the upper box plate (16) is fixedly connected with a lower box plate (20) through a plurality of connecting rods (19), four gear shafts (21) in meshing transmission connection with a first intermediate gear (22) are arranged on a lower box plate (20) in a 90-degree radiation mode, a second intermediate gear (28) is in meshing transmission connection with the peripheries of the four gear shafts (21), the second intermediate gear (28) is arranged at the lower end of the second intermediate gear (29), the upper end of the second intermediate gear (29) is fixed on the upper box plate (16) through nuts, the second intermediate gear (28) is in meshing transmission connection with the four second intermediate gears (28) in the 90-degree direction at the positions I, II, III and IV on the lower box plate (20) in a central manner, the second intermediate gear (28) is in meshing transmission connection with the four second intermediate gears (28) in the 90-degree direction at the positions I, II, III and IV on the four groups of second intermediate gears (28), the three second intermediate gears (28) on the peripheries of the four groups of second intermediate gears (28) are in meshing transmission connection with the gear shafts (21), the gear shafts (21) are connected with a stub shaft (18) through bearings (17), and the upper ends of the stub shafts (18) are fixed on the upper box plate (16) through nuts.