Double-end gantry numerical control flange drilling machine

Abstract

The utility model discloses a double-end gantry numerical control flange drilling machine which comprises a workpiece installation platform and two control cabinets symmetrically arranged about the central axis of the workpiece installation platform. A cross beam is mounted between the two control cabinets, and two adjusting assemblies for driving the drill bits to act are symmetrically mounted on the cross beam; the adjusting group clamp comprises a horizontal adjusting mechanism for driving the drill bit to horizontally and transversely move and a vertical adjusting mechanism for driving the drill bit to vertically move up and down; a driving mechanism for driving the workpiece mounting platform to rotate is mounted at the bottom of the workpiece mounting platform; the horizontal adjusting mechanism and the vertical adjusting mechanism are arranged to adjust the horizontal position and the vertical position of the drill bit respectively, the flange drilling device can be suitable for drilling flanges of different sizes, meanwhile, the clamping mechanism is arranged to clamp a workpiece, stability in the drilling process is guaranteed, and the drilling efficiency is improved. And in cooperation with a control cabinet and a driving mechanism, flange drilling is rapidly and accurately completed, and the drilling efficiency and the drilling precision are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control drilling machines, in particular to a double-head gantry numerical control flange drilling machine. Background Art

[0002] Flange, also called flange flange or flange, is a part that connects shafts to each other. It is used to connect pipe ends and is also used as flanges on equipment inlets and outlets. Flange connection refers to a detachable connection in which flanges, gaskets and bolts are connected to each other as a combined sealing structure. There are holes on the flanges, and bolts connect the two flanges tightly. Gaskets are used to seal the flanges. The holes on the flanges are generally drilled using CNC drilling machines, which have high operating accuracy and fast drilling speed.

[0003] Chinese Patent 2016214240880 discloses a CNC double-head sieve plate drilling machine, including a gantry, a workpiece rotary support device arranged at the bottom of the gantry, two drill bits slidably arranged on the gantry, a loading and unloading device arranged on one side of the gantry and a CNC system, wherein the loading and unloading device includes a positioning column, a horizontal swing arm pivotally arranged on the positioning column, a rotary power mechanism for driving the horizontal swing arm to rotate, a grabbing cylinder pivotally arranged at the end of the horizontal swing arm, and a magnetic suction cup pivotally arranged at the action end of the grabbing cylinder. The utility model performs rotary processing on the workpiece, has a simple structure, convenient operation and reasonable design, and the double drill bits process the workpiece at the same time, which improves the processing efficiency and the loading and unloading device simplifies the workpiece grabbing and positioning work, greatly saving the cost of the equipment, but due to the different flange height dimensions, the utility model cannot be applied to flange drilling of all height dimensions, and has certain limitations. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a double-head gantry CNC flange drilling machine, which can solve the problem that the height of the drill bit of the CNC drilling machine cannot be adjusted and expand the applicability of the equipment.

[0005] In order to solve the above technical problems, the technical solutions adopted by the present utility model are as follows.

[0006] A double-head gantry CNC flange drilling machine comprises a workpiece mounting platform and two control cabinets symmetrically arranged about the central axis of the workpiece mounting platform; a crossbeam is installed between the two control cabinets, and two adjustment components for driving the drill bit to move are symmetrically installed on the crossbeam; the adjustment clamp comprises a horizontal adjustment mechanism for driving the drill bit to move horizontally and a vertical adjustment mechanism for driving the drill bit to move vertically up and down; a driving mechanism for driving the workpiece mounting platform to rotate is installed at the bottom of the workpiece mounting platform; a controller is installed inside the control cabinet, and a display screen for easy operation is installed on the side panel of the control cabinet, and the controlled ends of the adjustment components and the driving structure are respectively connected to the output end of the controller.

[0007] The above-mentioned double-head gantry CNC flange drilling machine, the horizontal adjustment mechanism includes a first screw rod installed on the crossbeam, the end of the first screw rod is driven by the second motor, the first screw rod is threaded with a slider, the upper and lower ends of the slider are respectively equipped with slide rails arranged on the crossbeam; the controlled end of the second motor is connected to the output end of the controller.

[0008] The above-mentioned double-head gantry CNC flange drilling machine, the vertical adjustment mechanism includes a vertical plate slidably mounted on a slider, the top of the vertical plate is connected to a first motor that drives the vertical plate to slide up and down along the slider, and the controlled end of the first motor is connected to the output end of the controller.

[0009] In the above-mentioned double-head gantry CNC flange drilling machine, the drill bit is installed on a vertical plate, and a third motor for driving the drill bit is also installed on the vertical plate, and the controlled end of the third motor is connected to the output end of the controller.

[0010] The above-mentioned double-head gantry CNC flange drilling machine, the driving mechanism includes a base installed at the bottom of the workpiece mounting platform, a mounting frame is provided on the side wall of the base, a driving gear driven by a fourth motor is installed on the mounting frame, the driving gear is meshed with a driven gear installed on the top of the base, and the controlled end of the fourth motor is connected to the output end of the controller.

[0011] In the above-mentioned double-head gantry CNC flange drilling machine, a clamping mechanism for clamping the workpiece is installed on the workpiece mounting platform, and the clamping mechanism includes four clamping blocks slidably installed on the workpiece mounting platform, and a clamping groove which is slidably fitted with the clamping block is radially opened on the workpiece mounting platform, and a second screw rod which is threadably fitted with the clamping block is installed in the slot, and the second screw rod is connected to a gear box arranged at the center of the workpiece mounting platform, and the controlled end of the gear box is connected to the output end of the controller.

[0012] In the above-mentioned double-head gantry CNC flange drilling machine, a driving bevel gear driven by a motor and four driven bevel gears meshing with the driving bevel gear are installed inside the gear box, and the driven bevel gears are connected to the second screw rod.

[0013] Due to the adoption of the above technical scheme, the technical progress achieved by the present invention is as follows.

[0014] The utility model provides a double-head gantry CNC flange drilling machine, which adjusts the horizontal position and the up and down positions of the drill bit by arranging a horizontal adjustment mechanism and a vertical adjustment mechanism, respectively, and can be suitable for drilling flanges of different sizes. At the same time, a clamping mechanism is arranged to clamp the workpiece, thereby ensuring stability during the drilling process. The flange drilling is completed quickly and accurately in cooperation with a control cabinet and a driving mechanism, thereby greatly improving the drilling efficiency and drilling accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a schematic diagram of the specific structure of the utility model;

[0016] Figure 2 It is a front view of the utility model;

[0017] Figure 3 It is a schematic diagram of the specific structure of the clamping mechanism of the utility model.

[0018] Wherein: 1. control cabinet, 2. crossbeam, 3. workpiece mounting platform, 4. slide rail, 5. slider, 6. vertical plate, 7. first motor, 8. first screw rod, 9. second motor, 10. drill bit, 11. third motor, 12. base, 13. driving gear, 14. fourth motor, 15. driven gear, 16. mounting frame, 17. block, 18. slot, 19. second screw rod, 20. gear box. DETAILED DESCRIPTION

[0019] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0020] A double-head gantry CNC flange drilling machine, such as Figures 1 to 3 As shown, it includes a workpiece mounting platform 3 and two control cabinets 1 symmetrically arranged about the central axis of the workpiece mounting platform 3, a crossbeam 2 is installed between the two control cabinets 1, and two adjustment components for driving the drill bit 10 to move are symmetrically installed on the crossbeam 2.

[0021] A controller is installed inside the control cabinet 1, and a display screen for easy operation is installed on the side panel of the control cabinet 1.

[0022] The adjustment clamp comprises a horizontal adjustment mechanism for driving the drill bit to move horizontally and laterally, and a vertical adjustment mechanism for driving the drill bit to move vertically up and down.

[0023] The horizontal adjustment mechanism includes a first screw rod 8 installed on the cross beam 2, the end of the first screw rod 8 is driven by a second motor 9, a slider 5 is threadedly mounted on the first screw rod 8, and the upper and lower ends of the slider 5 are respectively mounted on the slide rail 4 arranged on the cross beam 2.

[0024] The vertical adjustment mechanism includes a vertical plate 6 slidably mounted on the slider 5 , and the top end of the vertical plate 6 is connected to a first motor 7 , which can drive the vertical plate 6 to slide up and down along the slider 5 .

[0025] The drill bit 10 is installed at the lower end of the vertical plate 6 , and a third motor 11 for driving the drill bit 10 is also installed on the vertical plate 6 .

[0026] A driving mechanism for driving the workpiece mounting platform 3 to rotate is installed at the bottom of the workpiece mounting platform 3, and the driving mechanism includes a base 12 installed at the bottom of the workpiece mounting platform 3, a mounting frame 16 is provided on the side wall of the base 12, and a driving gear 13 driven by a fourth motor 14 is installed on the mounting frame, and the driving gear 13 is meshed with a driven gear 15 installed on the top of the base 12 for transmission.

[0027] The controlled ends of the first motor 7 , the second motor 9 , the third motor 11 , and the fourth motor 14 are respectively connected to the output ends of the controller.

[0028] A clamping mechanism for clamping the workpiece is installed on the workpiece mounting platform 3, and the clamping mechanism includes four clamping blocks 17 slidably installed on the workpiece mounting platform 3. A clamping groove 18 slidably fitted with the clamping block 17 is radially opened on the workpiece mounting platform 3. A second screw rod 19 threadedly fitted with the clamping block 17 is installed in the clamping groove 18. The second screw rod 19 is connected to a gear box 20 arranged at the center of the workpiece mounting platform 3, and the controlled end of the gear box 20 is connected to the output end of the controller.

[0029] A driving bevel gear driven by a motor and four driven bevel gears meshing with the driving bevel gear are installed inside the gear box 20 , and the driven bevel gears are connected to the second screw rod 19 .

[0030] When in use, the flange to be drilled is placed on the workpiece mounting platform 3, and the workpiece is clamped by the clamping mechanism. Then, the size of the flange workpiece is input on the display screen on the control cabinet 1, and the specific number of holes to be drilled is calculated. Then, the position of the drill bit is adjusted by the horizontal adjustment mechanism and the vertical adjustment mechanism to ensure the accuracy of the drilling.

[0031] The two drills move simultaneously. After the drilling is completed, the workpiece mounting platform 3 and the flange workpiece thereon are rotated by a certain angle through the driving mechanism and then the drilling is performed again. The above operation is repeated. After the drilling is completed, the clamping mechanism is controlled to release the workpiece, and then the workpiece can be removed.

[0032] The utility model provides a double-head gantry CNC flange drilling machine, which adjusts the horizontal position and the up and down positions of the drill bit by arranging a horizontal adjustment mechanism and a vertical adjustment mechanism, respectively, and can be suitable for drilling flanges of different sizes. At the same time, a clamping mechanism is arranged to clamp the workpiece, thereby ensuring stability during the drilling process. The flange drilling is completed quickly and accurately in cooperation with a control cabinet and a driving mechanism, thereby greatly improving the drilling efficiency and drilling accuracy.

Claims

1. A double-head gantry CNC flange drilling machine, characterized in that: The invention comprises a workpiece mounting platform (3) and two control cabinets (1) symmetrically arranged about the central axis of the workpiece mounting platform (3); a crossbeam (2) is installed between the two control cabinets (1), and two adjustment components for driving a drill bit (10) to move are symmetrically installed on the crossbeam (2); the adjustment components comprise a horizontal adjustment mechanism for driving the drill bit to move horizontally and a vertical adjustment mechanism for driving the drill bit to move vertically; a driving mechanism for driving the workpiece mounting platform (3) to rotate is installed at the bottom of the workpiece mounting platform (3); a controller is installed inside the control cabinet (1), and a display screen for easy operation is installed on the side panel of the control cabinet (1); and the controlled ends of the adjustment components and the driving mechanism are respectively connected to the output end of the controller.

2. A double-head gantry CNC flange drilling machine according to claim 1, characterized in that: The horizontal adjustment mechanism comprises a first screw rod (8) installed on the cross beam (2), the end of the first screw rod (8) is driven by a second motor (9), a slider (5) is threadedly mounted on the first screw rod (8), and the upper and lower ends of the slider (5) are respectively mounted on a slide rail (4) arranged on the cross beam (2); the controlled end of the second motor (9) is connected to the output end of the controller.

3. A double-head gantry CNC flange drilling machine according to claim 2, characterized in that: The vertical adjustment mechanism comprises a vertical plate (6) slidably mounted on a slider (5), the top end of the vertical plate (6) being connected to a first motor (7) driving the vertical plate (6) to slide up and down along the slider (5), and the controlled end of the first motor being connected to the output end of a controller.

4. A double-head gantry CNC flange drilling machine according to claim 3, characterized in that: The drill bit (10) is mounted on a vertical plate (6), and a third motor (11) for driving the drill bit (10) is also mounted on the vertical plate (6), wherein a controlled end of the third motor is connected to an output end of a controller.

5. The double-head gantry CNC flange drilling machine according to claim 1, characterized in that: The driving mechanism comprises a base (12) mounted at the bottom of the workpiece mounting platform (3); a mounting frame (16) is arranged on the side wall of the base (12); a driving gear (13) driven by a fourth motor (14) is mounted on the mounting frame; the driving gear (13) is meshed with a driven gear (15) mounted on the top of the base (12) for transmission; and a controlled end of the fourth motor is connected to an output end of a controller.

6. The double-head gantry CNC flange drilling machine according to claim 1, characterized in that: The workpiece mounting platform (3) is provided with a clamping mechanism for clamping the workpiece, the clamping mechanism comprising four clamping blocks (17) slidably mounted on the workpiece mounting platform (3), a clamping groove (18) slidably mounted with the clamping block (17) is radially opened on the workpiece mounting platform (3), a second screw rod (19) threadedly mounted with the clamping block (17) is installed in the clamping groove (18), the second screw rod (19) is connected to a gear box (20) arranged at the center of the workpiece mounting platform (3), and a controlled end of the gear box (20) is connected to an output end of a controller.

7. A double-head gantry CNC flange drilling machine according to claim 6, characterized in that: The gear box (20) has a driving bevel gear driven by a motor and four driven bevel gears meshing with the driving bevel gear, and the driven bevel gears are connected to the second screw rod (19).

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