U drill drilling equipment

Abstract

The utility model belongs to the technical field of machining, and particularly relates to U-drill drilling equipment which comprises a rack and an oil cylinder arranged on the rack, the lower end of a piston rod of the oil cylinder is connected with a horizontal sliding plate, a horizontal mounting plate is connected below the horizontal sliding plate, and a hollow main shaft is rotationally connected to the horizontal mounting plate. The upper end of the main shaft extends out of the horizontal mounting plate and is connected with a rotating motor I through a transmission device, the lower end of the main shaft extends out of the horizontal mounting plate and is connected with a U-shaped drill, the upper end of the main shaft extends out of the transmission device and is connected with a liquid inlet pipe through a rotating joint, and the liquid inlet pipe is connected with a liquid storage tank through a water pump; the working table is provided with a chuck used for clamping a workpiece and provided with a clamping jaw and a second rotating motor used for driving the clamping jaw of the chuck, and a rotating shaft of the second rotating motor is connected with a wrench insertion square hole of the chuck. The drilling machine is high in pressure, can be used for machining holes with large calibers, and is not easy to damage.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of machining, especially point to a kind of U drill drilling equipment. BACKGROUND

[0002] U drill is a kind of hole processing cutter by center blade (inner blade) and outer peripheral blade (outer blade) combination. U drill, also known as violent drill or water injection drill, is provided with water outlet hole at bottom, and compared with ordinary drill bit, it has high efficiency, and deep hole 5 times diameter can be processed under the condition that cutter stability is higher.

[0003] Since U drill needs to inject cooling liquid in U drill during processing, ordinary drill press cannot meet the processing requirements of U drill. U drill usually needs to be processed in numerical control machine tool with cooling system, but the main shaft of numerical control machine tool loaded cutter is usually controlled to move up and down by motor and ball screw mechanism, and the pressure is insufficient, cannot process large-diameter hole, and is easy to damage. SUMMARY

[0004] The utility model aims at providing a kind of U drill drilling equipment, its pressure is big, can be used for processing large-diameter hole, and not easy to damage.

[0005] The utility model is realized as follows:

[0006] A kind of U drill drilling equipment, including rack and oil cylinder being arranged on rack, the lower end of the piston rod of oil cylinder is connected with horizontal slide plate, horizontal slide plate is connected with horizontal mounting plate below, hollow main shaft is rotatably connected on horizontal mounting plate, main shaft upper end extends out of horizontal mounting plate and is connected with rotating motor one by transmission device, lower end extends out of horizontal mounting plate and connects U drill, the main shaft upper end extends out of transmission device and is connected with liquid inlet pipe by swivel joint, the liquid inlet pipe is connected with liquid storage tank by water pump, the lower side of U drill is equipped with workbench, chuck for clamping workpiece and having dog claw and rotating motor two for driving chuck dog claw are equipped on workbench, the rotating shaft of rotating motor two is connected with the spanner insertion square hole of chuck.

[0007] In the above-mentioned one kind of U drill drilling equipment, the chuck is three-jaw chuck or four-jaw chuck.

[0008] In the above-mentioned one kind of U drill drilling equipment, transmission device and swivel joint are both arranged between horizontal slide plate and horizontal mounting plate.

[0009] In the above-mentioned one kind of U drill drilling equipment, transmission device is synchronous belt transmission or gear transmission.

[0010] In the U-drill drilling equipment, four vertical columns are arranged on four corners of the horizontal slide plate, and the horizontal slide plate is slidably arranged on the vertical columns, the U-drill and the chuck are arranged between the four vertical columns, two vertical columns on the front side are connected with a fixed protective cover plate, the fixed protective cover plate is arranged above the chuck, and a movable protective cover plate for covering the front side of the chuck is slidably arranged on the front side of the fixed protective cover plate in the vertical direction.

[0011] In the U-drill drilling equipment, a fixed mounting plate is arranged on the upper end of the rack, the oil cylinder is arranged above the fixed mounting plate, the lower end of the piston rod penetrates through the fixed mounting plate and is connected with the horizontal slide plate, and the upper end of the vertical column is connected with the fixed mounting plate and the lower end is connected with the workbench.

[0012] In the U-drill drilling equipment, a notch is arranged in the middle of the movable protective cover plate, and a transparent plate is arranged on the notch.

[0013] In the U-drill drilling equipment, the movable protective cover plate is driven to move by a power device.

[0014] In the U-drill drilling equipment, the fixed protective cover plate is provided with a slide rod at the left end and the right end, and the movable protective cover plate is slidably arranged on the corresponding slide rod at the two ends.

[0015] In the U-drill drilling equipment, the power device is a cylinder, a linear motor or a linear module.

[0016] In the U-drill drilling equipment, a connecting shaft is connected to the rotating shaft of the second rotary motor, and a square shaft matched with the wrench insertion square hole is arranged at the end of the connecting shaft away from the second rotary motor.

[0017] In the U-drill drilling equipment, the rotating shaft of the second rotary motor and the connecting shaft can be connected by a pin key or a spline.

[0018] In the U-drill drilling equipment, the rotating shaft of the second rotary motor and the wrench insertion square hole of the chuck can also be connected in the following manner: the outer end of the rotating shaft of the second rotary motor is processed into a square shaft matched with the wrench insertion square hole.

[0019] In the U-drill drilling equipment, a controller is further arranged, the oil cylinder is connected with an oil tank through an oil pump, an electromagnetic valve and a speed regulating valve are arranged between the oil pump and the oil cylinder, and the oil cylinder, the oil pump, the electromagnetic valve and the speed regulating valve are electrically connected with the controller.

[0020] In the U-drill drilling equipment, the first rotary motor is arranged on the rear side of the main shaft, and the second rotary motor is arranged on the rear side of the chuck.

[0021] In the U-drill drilling equipment, the oil cylinder, the horizontal slide plate, the horizontal mounting plate, the main shaft, the U-drill and the chuck are respectively arranged in two.

[0022] Compared with the prior art, the utility model has the advantages of:

[0023] 1、The utility model discloses a drilling equipment sets up the oil cylinder, and through the oil cylinder drive U-drill moves up and down, and the pressure is big, can be used for processing big -diameter hole, and not easy to damage, and through the hollow main shaft is connected to the rotary motor no.

[0024] 2、The utility model discloses still include the controller, the oil cylinder is connected the oil tank through the oil pump, be equipped with solenoid valve and speed regulating valve between the oil pump and the oil cylinder, the oil cylinder, oil pump, solenoid valve and speed regulating valve are connected with controller electricity respectively, through the knob of rotary speed regulating valve can control the flow size of the oil of entering the oil cylinder, thereby control piston rod's moving fast and slow, and then control the feeding speed of U-drill, to adapt the drilling requirement of different aperture workpiece. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the perspective drawing of the utility model;

[0026] Figure 2 It is the right view structure schematic diagram of the utility model.

[0027] Drawing reference: 1, frame;2, oil cylinder;3, piston rod;4, horizontal slide plate;5, horizontal mounting plate;6, main shaft;7, rotary motor no.;8, U-drill;9, rotary joint;10, liquid inlet pipe;11, workbench;12, chuck;13, rotary motor no.;14, spanner insertion square hole;15, stand;16, fixed protective cover plate;17, movable protective cover plate;18, connecting shaft;19, square shaft;20, water pump;21, liquid storage tank;22, oil pump;23, oil tank;24, fixed mounting plate;25, slide rod;26, driving wheel;27, driven wheel;28, transmission belt;29, transparent plate;30, solenoid valve;31, speed regulating valve. DETAILED DESCRIPTION

[0028] The utility model will be further described in the specific embodiment, and see Figure 1 -2:

[0029] The utility model discloses a U drill drilling equipment, including frame 1 and the oil cylinder 2 of setting on frame 1, the lower end of piston rod 3 of oil cylinder 2 is connected with horizontal slide plate 4, and the lower connection of horizontal slide plate 4 has horizontal mounting plate 5, and the rotation connection of hollow main shaft 6 has on horizontal mounting plate 5, and the upper end of main shaft 6 stretches out horizontal mounting plate 5 and is connected with rotating motor no. 1 7 through transmission device, and the lower end of main shaft 6 stretches out horizontal mounting plate 5 and connects U drill 8, the upper end of main shaft 6 stretches out transmission device and is connected with liquid inlet pipe 10 through swivel joint 9, and liquid inlet pipe 10 is connected with liquid storage tank 21 through water pump 20, and the lower side of U drill 8 is equipped with workbench 11, and the chuck 12 for clamping workpiece and having dog is equipped on workbench 11, and rotating motor no. 2 13 for driving the dog of chuck 12, and the rotation axis of rotating motor no. 2 13 is connected with the spanner insertion square hole 14 of chuck 12.

[0030] The utility model discloses a U drill drilling equipment, including frame 1 and the oil cylinder 2 of setting on frame 1, the lower end of piston rod 3 of oil cylinder 2 is connected with horizontal slide plate 4, and the lower connection of horizontal slide plate 4 has horizontal mounting plate 5, and the rotation connection of hollow main shaft 6 has on horizontal mounting plate 5, and the upper end of main shaft 6 stretches out horizontal mounting plate 5 and is connected with rotating motor no. 1 7 through transmission device, and the lower end of main shaft 6 stretches out horizontal mounting plate 5 and connects U drill 8, the upper end of main shaft 6 stretches out transmission device and is connected with liquid inlet pipe 10 through swivel joint 9, and liquid inlet pipe 10 is connected with liquid storage tank 21 through water pump 20, and the lower side of U drill 8 is equipped with workbench 11, and the chuck 12 for clamping workpiece and having dog is equipped on workbench 11, and rotating motor no. 2 13 for driving the dog of chuck 12, and the rotation axis of rotating motor no. 2 13 is connected with the spanner insertion square hole 14 of chuck 12. Figure 1 、 2 As shown in the figure, the rotation axis of rotating motor no. 2 13 rotates, drives the dog of chuck 12 and moves clamping workpiece, and oil cylinder 2 drives piston rod 3 to move downwards, drives horizontal slide plate 4, horizontal mounting plate 5, main shaft 6 and U drill 8 to move downwards together, and rotating motor no. 1 7 drives main shaft 6 to rotate through transmission device, thereby drives U drill 8 to rotate, carries out drilling processing to workpiece, and the cooling liquid in liquid storage tank 21 enters the liquid passage of U drill 8 after passing through water pump 20, liquid inlet pipe 10, swivel joint 9, the inner chamber of main shaft 6, and flows out from the bottom of U drill 8 and cools the processing part.

[0031] The utility model discloses a U drill drilling equipment, including frame 1 and the oil cylinder 2 of setting on frame 1, the lower end of piston rod 3 of oil cylinder 2 is connected with horizontal slide plate 4, and the lower connection of horizontal slide plate 4 has horizontal mounting plate 5, and the rotation connection of hollow main shaft 6 has on horizontal mounting plate 5, and the upper end of main shaft 6 stretches out horizontal mounting plate 5 and is connected with rotating motor no. 1 7 through transmission device, and the lower end of main shaft 6 stretches out horizontal mounting plate 5 and connects U drill 8, the upper end of main shaft 6 stretches out transmission device and is connected with liquid inlet pipe 10 through swivel joint 9, and liquid inlet pipe 10 is connected with liquid storage tank 21 through water pump 20, and the lower side of U drill 8 is equipped with workbench 11, and the chuck 12 for clamping workpiece and having dog is equipped on workbench 11, and rotating motor no. 2 13 for driving the dog of chuck 12, and the rotation axis of rotating motor no. 2 13 is connected with the spanner insertion square hole 14 of chuck 12.

[0032] Further, the chuck 12 is a three-jaw chuck or a four-jaw chuck.

[0033] Further, the transmission device and the swivel joint 9 are arranged between the horizontal slide plate 4 and the horizontal mounting plate 5.

[0034] Structure of the transmission device: the transmission device is a synchronous belt transmission or a gear transmission. In this embodiment, the transmission device comprises a driving wheel 26 arranged on the rotating shaft of the rotating motor 7, a driven wheel 27 arranged on the main shaft 6, and a transmission belt 28 connecting the driving wheel 26 and the driven wheel 27.

[0035] In order to guide the movement of the horizontal slide plate 4, four columns 15 are arranged on the four corners of the horizontal slide plate 4, and the horizontal slide plate 4 is arranged on the columns 15. The U-drill 8 and the chuck 12 are arranged between the four columns 15. The two columns 15 on the front side are connected with a fixed protective cover plate 16 arranged above the chuck 12. The front side of the fixed protective cover plate 16 is vertically slidably provided with a movable protective cover plate 17 for covering the front side of the chuck 12. This can facilitate the taking and placing of workpieces, and can prevent iron filings from flying around and effectively protect the operator.

[0036] Mounting structure of the oil cylinder 2 and the column 15: the upper end of the frame 1 is provided with a fixed mounting plate 24. The oil cylinder 2 is arranged above the fixed mounting plate 24. The lower end of the piston rod 3 penetrates through the fixed mounting plate 24 and is connected with the horizontal slide plate 4. The upper end of the column 15 is connected with the fixed mounting plate 24, and the lower end is connected with the workbench 11.

[0037] In order to facilitate the observation of the drilling condition of the workpiece, the movable protective cover plate 17 is provided with a transparent plate 29 in the middle.

[0038] In order to facilitate the driving of the movable protective cover plate 17, the movable protective cover plate 17 is driven to move by a power device.

[0039] In order to guide the movement of the movable protective cover plate 17, the fixed protective cover plate 16 is provided with a slide rod 25 at the left and right ends. The two ends of the movable protective cover plate 17 are slidably arranged on the corresponding slide rods 25.

[0040] Preferably, the power device is a pneumatic cylinder, a linear motor or a linear module. In this embodiment, the power device is a pneumatic cylinder arranged on the fixed protective cover plate 16. The piston rod of the pneumatic cylinder is connected with the movable protective cover plate 17. The fixed protective cover plate 16 is provided with a pneumatic cylinder at the left and right ends. The two pneumatic cylinders are arranged between the two slide rods 25.

[0041] Connection mode of the rotating shaft of the rotating motor 2 and the wrench insertion square hole 14 of the chuck 12: the rotating shaft of the rotating motor 2 is connected with a connecting shaft 18. The end of the connecting shaft 18 away from the rotating motor 2 is provided with a square shaft 19 matched with the wrench insertion square hole 14. The structure is simple, and the machining and installation are convenient.

[0042] Further, the rotating shaft of the rotating motor two 13 and the connecting shaft 18 can be connected by a pin key or by a spline. In the embodiment, the rotating shaft of the rotating motor two 13 and the connecting shaft 18 are connected by a spline.

[0043] In order to adjust the oil speed into the oil cylinder 2 to adapt to the drilling requirements of workpieces with different hole diameters, a controller is further included. The oil cylinder 2 is connected to an oil tank 23 through an oil pump 22. An electromagnetic valve 30 and a speed regulating valve 31 are arranged between the oil pump 22 and the oil cylinder 2. The oil cylinder 2, the oil pump 22, the electromagnetic valve 30 and the speed regulating valve 31 are electrically connected to the controller. The electromagnetic valve is powered on to open the gate to discharge oil into the speed regulating valve. The size of the oil flow into the oil cylinder 2 can be controlled by rotating the knob of the speed regulating valve 31, so as to control the moving speed of the piston rod 3 and further control the feeding speed of the U drill.

[0044] Preferably, the rotating motor one 7 is arranged at the rear side of the main shaft 6, and the rotating motor two 13 is arranged at the rear side of the chuck 12. The space is reasonably utilized, and the layout is reasonable.

[0045] In order to improve the work efficiency, the oil cylinder 2, the horizontal slide plate 4, the horizontal mounting plate 5, the main shaft 6, the U drill 8 and the chuck 12 are respectively arranged with two.

[0046] The above embodiment is only one of the preferred embodiments of the present application, and does not limit the scope of the present application. Therefore, equivalent changes made according to the shape, structure and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A U-drill hole drilling apparatus characterized by: The utility model provides a kind of drilling machine, including rack (1) and the oil cylinder (2) being arranged on rack (1), the lower end of the piston rod (3) of oil cylinder (2) is connected with horizontal slide plate (4), horizontal slide plate (4) below is connected with horizontal mounting plate (5), and horizontal mounting plate (5) is rotatably connected with hollow main shaft (6), and main shaft (6) upper end extends horizontal mounting plate (5) and is connected rotary motor one (7) by transmission device, and lower end extends horizontal mounting plate (5) and connects U drill (8), the main shaft (6) upper end extends transmission device and is connected liquid inlet pipe (10) by rotary joint (9), the liquid inlet pipe (10) is connected liquid storage tank (21) by water pump (20), the U drill (8) below is equipped with workbench (11), the workbench (11) is equipped with chuck (12) for clamping workpiece and having dog and rotary motor two (13) for driving the dog of chuck (12), and the rotary shaft of rotary motor two (13) is connected with the spanner insertion square hole (14) of chuck (12).

2. A U-drill hole making apparatus according to claim 1, wherein: The four corners of the horizontal slide plate (4) are respectively provided with a stand (15), and the horizontal slide plate (4) is slidably arranged on the stand (15), the U drill (8) and the chuck (12) are arranged between the four stands (15), and the two stands (15) on the front side are connected with a fixed protective cover plate (16), the fixed protective cover plate (16) is arranged above the chuck (12), and the front side of the fixed protective cover plate (16) is vertically slidably provided with a movable protective cover plate (17) for covering the front side of the chuck (12).

3. A U-drill hole making apparatus according to claim 2, wherein: The movable protective cover plate (17) is driven to move by a power device.

4. A U-drill hole making apparatus according to claim 1, wherein: A connecting shaft (18) is connected to the rotary shaft of the rotary motor two (13), and a square shaft (19) adapted to the spanner insertion square hole (14) is arranged at the end of the connecting shaft (18) away from the rotary motor two (13).

5. A U-drill hole making apparatus according to claim 1, wherein: Further comprising a controller, the oil cylinder (2) is connected to an oil tank (23) by an oil pump (22), an electromagnetic valve (30) and a speed regulating valve (31) are arranged between the oil pump (22) and the oil cylinder (2), and the oil cylinder (2), the oil pump (22), the electromagnetic valve (30) and the speed regulating valve (31) are electrically connected to the controller respectively.

6. A U-drill hole making apparatus according to claim 1, wherein: The rotary motor one (7) is arranged at the rear side of the main shaft (6), and the rotary motor two (13) is arranged at the rear side of the chuck (12).

7. A U-drill hole making apparatus as claimed in claim 1, wherein: The oil cylinder (2), the horizontal slide plate (4), the horizontal mounting plate (5), the main shaft (6), the U drill (8) and the chuck (12) are respectively arranged in parallel with two.

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