Hydraulic clamping device of drilling machine

Abstract

The utility model relates to the technical field of drilling machine hydraulic clamping, and discloses a drilling machine hydraulic clamping device which comprises a shell, a hydraulic telescopic rod is arranged in the shell, a controller is arranged on the outer surface of the shell, a sliding rod is arranged at the telescopic end of the hydraulic telescopic rod, and a sliding ring frame is connected to the outer surface of the sliding rod in a sliding mode. A fixing frame is arranged below the shell, two clamping frames are arranged in the fixing frame, two rotating rods are rotationally connected to the inner wall of each clamping frame, the outer surfaces of one rotating rod are rotationally connected with the inner wall of the sliding ring frame, and the outer surfaces of the other rotating rod are rotationally connected with the inner wall of the fixing frame. According to the hydraulic clamping device of the drilling machine, a drill bit can be temporarily limited through the magnetic force of the arranged magnet ring, so that a worker does not hold the drill bit by hand, the clamping frame can rotate in the fixing frame through the cooperation of the movement of the sliding ring frame and the rotation of the rotating rod, and then the drill bit can be clamped or loosened by the clamping frame.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic clamping of drilling machines, in particular to a hydraulic clamping device for drilling machines. Background Art

[0002] A drilling machine is a general term for machinery and equipment that uses a tool that is harder and sharper than the target object to leave a cylindrical hole or hole on the target object through rotary cutting or rotary extrusion. It is also called a drilling rig, punching machine, eyelet drilling machine, through-hole machine, etc.

[0003] When the drilling machine is in use, the drill bit needs to be installed, and after the drill bit is installed, it needs to be fixed and clamped. When clamping, the staff needs to move the drill bit to the specified position and hold it fixed by turning or bolting, which is not convenient when used.

[0004] Therefore, those skilled in the art provide a hydraulic clamping device for a drilling machine to solve the problems raised in the above background technology. Utility Model Content

[0005] The utility model aims to provide a hydraulic clamping device for a drilling machine, so as to solve the problem in the background technology that the installation and clamping of the drill bit of the drilling machine is not convenient enough.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A hydraulic clamping device for a drilling machine comprises a shell, a hydraulic telescopic rod is arranged inside the shell, a controller is arranged on the outer surface of the shell, a sliding rod is arranged at the telescopic end of the hydraulic telescopic rod, the outer surface of the sliding rod is slidably connected to a sliding ring frame, a fixed frame is arranged below the shell, two groups of clamping frames are arranged inside the fixed frame, the inner wall of each of the clamping frames is rotatably connected to two rotating rods, the outer surface of one group of the rotating rods is rotatably connected to the inner wall of the sliding ring frame, and the outer surface of the other group of the rotating rods is rotatably connected to the inner wall of the fixed frame, and the bottom end of the sliding rod is fixedly connected to a magnet ring.

[0008] As a further solution of the utility model: a connecting plate is fixedly connected to the back side of the controller, and the back side of the connecting plate is fixedly connected to the outer surface of the shell.

[0009] As a further solution of the utility model: a collar is fixedly connected to the bottom surface of the shell, and the inner wall of the collar is fixedly connected to the outer surface of the fixing frame.

[0010] As a further solution of the utility model: the top end of the hydraulic telescopic rod is fixedly connected with a fixing ring, and the upper surface of the fixing ring is fixedly connected to the inner top wall of the shell.

[0011] As a further solution of the utility model: the telescopic end of the hydraulic telescopic rod is fixedly connected to a connecting frame, and the bottom end of the connecting frame is fixedly connected to the upper surface of the sliding ring frame.

[0012] As a further solution of the utility model: the outer surface of the sliding rod is fixedly connected with a reinforcement ring, and the outer surface of the reinforcement ring is fixedly connected to the inner wall of the fixing frame.

[0013] As a further solution of the utility model: the inner wall of the fixing frame is fixedly connected to a limiting ring, and the inner wall of the limiting ring is provided with a limiting hole.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model is provided with a magnetic force of a magnet ring, which can temporarily limit the drill bit when installing and clamping the drill bit, so that the staff does not need to hold the drill bit for fixing and clamping, thereby improving the convenience of operation, and then the sliding ring frame can be driven to move up and down on the surface of the sliding rod by utilizing the extension and retraction of the hydraulic telescopic rod, and the clamping frame can be rotated inside the fixed frame by coordinating the movement of the sliding ring frame with the rotation of the rotating rod, and the clamping frame can be rotated by rotating the drill bit, and the clamping frame can clamp or release the drill bit, and further the hydraulic clamping of the drilling machine can be conveniently operated. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of a hydraulic clamping device for a drilling machine;

[0017] Figure 2 It is a schematic diagram of a cutaway three-dimensional structure of a shell in a hydraulic clamping device of a drilling machine;

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of a fixing frame in a hydraulic clamping device of a drilling machine;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of a clamping frame in a hydraulic clamping device of a drilling machine;

[0020] Figure 5 It is a schematic diagram of the cross-sectional three-dimensional structure of a sliding ring frame in a hydraulic clamping device of a drilling machine.

[0021] In the figure: 1. shell; 2. connecting plate; 3. controller; 4. fixing frame; 5. fixing ring; 6. hydraulic telescopic rod; 7. sleeve ring; 8. connecting frame; 9. sliding ring frame; 10. sliding rod; 11. rotating rod; 12. clamping frame; 13. limiting ring; 14. magnet ring; 15. limiting hole; 16. reinforcement ring. DETAILED DESCRIPTION

[0022] See also Figure 1-5A hydraulic clamping device for a drilling machine includes a shell 1, a hydraulic telescopic rod 6 is arranged inside the shell 1, a controller 3 is arranged on the outer surface of the shell 1, a sliding rod 10 is arranged at the telescopic end of the hydraulic telescopic rod 6, and the outer surface of the sliding rod 10 is slidably connected with a sliding ring frame 9, a fixed frame 4 is arranged below the shell 1, and two groups of clamping frames 12 are arranged inside the fixed frame 4, and the inner wall of each clamping frame 12 is rotatably connected to two rotating rods 11, wherein the outer surface of one group of rotating rods 11 is rotatably connected to the inner wall of the sliding ring frame 9, and the outer surface of the other group of rotating rods 11 is rotatably connected to the inner wall of the fixed frame 4, and the bottom end of the sliding rod 10 is fixedly connected to a magnet ring 14.

[0023] Specifically, the back side of the controller 3 is fixedly connected with the connecting plate 2 , and the back side of the connecting plate 2 is fixedly connected with the outer surface of the shell 1 .

[0024] Through the above technical solution, by providing a connecting plate 2, the controller 3 can be fixed on the housing 1. At the same time, the controller 3 refers to a main command device that controls the starting, speed regulation, braking and reversal of the motor by changing the wiring of the main circuit or the control circuit and changing the resistance value in the circuit in a predetermined order.

[0025] Specifically, a collar 7 is fixedly connected to the bottom surface of the housing 1 , and an inner wall of the collar 7 is fixedly connected to an outer surface of the fixing frame 4 .

[0026] Through the above technical solution, by providing the collar 7, the housing 1 and the fixing frame 4 can be fixed, so that the device can be used stably.

[0027] Specifically, a fixing ring 5 is fixedly connected to the top end of the hydraulic telescopic rod 6 , and an upper surface of the fixing ring 5 is fixedly connected to an inner top wall of the housing 1 .

[0028] Through the above technical solution, by providing the fixing ring 5, the hydraulic telescopic rod 6 can be fixed on the housing 1, so that the hydraulic telescopic rod 6 can be firm.

[0029] Specifically, the telescopic end of the hydraulic telescopic rod 6 is fixedly connected to a connecting frame 8 , and the bottom end of the connecting frame 8 is fixedly connected to the upper surface of the sliding ring frame 9 .

[0030] Through the above technical solution, by providing the connecting frame 8, the hydraulic telescopic rod 6 and the sliding ring frame 9 can be connected, so that the hydraulic telescopic rod 6 can drive the sliding ring frame 9 to move.

[0031] Specifically, a reinforcement ring 16 is fixedly connected to the outer surface of the sliding rod 10 , and the outer surface of the reinforcement ring 16 is fixedly connected to the inner wall of the fixing frame 4 .

[0032] Through the above technical solution, by providing the reinforcement ring 16, the sliding rod 10 can be fixed in the fixing frame 4, so that the sliding rod 10 can be firm.

[0033] Specifically, the inner wall of the fixing frame 4 is fixedly connected to the limiting ring 13 , and the inner wall of the limiting ring 13 is provided with a limiting hole 15 .

[0034] Through the above technical solution, by providing the limiting ring 13 and cooperating with the limiting hole 15, the drill bit can be placed in a limited position, thereby improving the convenience of clamping.

[0035] The working principle of the utility model is as follows: when in use, first, the device is installed and fixed on the drilling machine, and then the hydraulic telescopic rod 6 and the controller 3 are connected to the power supply through the wire, and the hydraulic telescopic rod 6 is connected to the controller 3 again through the wire. When the drill bit needs to be installed and clamped, a suitable drill bit is placed in the limiting hole 15 of the limiting ring 13, and then pushed to the inside of the fixing frame 4. When it contacts the magnet ring 14, the drill bit is adsorbed and fixed by the magnetic force of the magnet ring 14. At this time, the staff does not need to hold the drill bit, and at the same time, the controller 3 controls the hydraulic telescopic rod 6 to open and retract through the wire. The contraction of the hydraulic telescopic rod 6 drives the connecting frame 8 to move, and the movement of the connecting frame 8 drives the sliding ring frame 9 to slide upward on the sliding rod 10. When the sliding rod 10 slides, the bottom ends of the clamping frame 12 are moved close to each other through the rotation of the rotating rod 11, so that the drill bit is clamped and fixed, further improving the convenience of clamping the drill bit.

[0036] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A hydraulic clamping device for a drilling machine, comprising a housing (1), characterized in that: A hydraulic telescopic rod (6) is arranged inside the shell (1), a controller (3) is arranged on the outer surface of the shell (1), a sliding rod (10) is arranged at the telescopic end of the hydraulic telescopic rod (6), the outer surface of the sliding rod (10) is slidably connected to a sliding ring frame (9), a fixed frame (4) is arranged below the shell (1), two groups of clamping frames (12) are arranged inside the fixed frame (4), the inner wall of each clamping frame (12) is rotatably connected to two rotating rods (11), the outer surface of one group of the rotating rods (11) is rotatably connected to the inner wall of the sliding ring frame (9), and the outer surface of the other group of the rotating rods (11) is rotatably connected to the inner wall of the fixed frame (4), and the bottom end of the sliding rod (10) is fixedly connected to a magnet ring (14).

2. A hydraulic clamping device for a drilling machine according to claim 1, characterized in that: The back side of the controller (3) is fixedly connected to a connecting plate (2), and the back side of the connecting plate (2) is fixedly connected to the outer surface of the housing (1).

3. A hydraulic clamping device for a drilling machine according to claim 1, characterized in that: A collar (7) is fixedly connected to the bottom surface of the shell (1), and an inner wall of the collar (7) is fixedly connected to the outer surface of the fixing frame (4).

4. A hydraulic clamping device for a drilling machine according to claim 1, characterized in that: The top end of the hydraulic telescopic rod (6) is fixedly connected to a fixing ring (5), and the upper surface of the fixing ring (5) is fixedly connected to the inner top wall of the housing (1).

5. The hydraulic clamping device for a drilling machine according to claim 1, characterized in that: The telescopic end of the hydraulic telescopic rod (6) is fixedly connected to a connecting frame (8), and the bottom end of the connecting frame (8) is fixedly connected to the upper surface of the sliding ring frame (9).

6. A hydraulic clamping device for a drilling machine according to claim 1, characterized in that: The outer surface of the sliding rod (10) is fixedly connected to a reinforcement ring (16), and the outer surface of the reinforcement ring (16) is fixedly connected to the inner wall of the fixing frame (4).

7. The hydraulic clamping device for a drilling machine according to claim 1, characterized in that: The inner wall of the fixing frame (4) is fixedly connected to a limiting ring (13), and the inner wall of the limiting ring (13) is provided with a limiting hole (15).

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