An automatic control device for drilling center holes in round steel.

The automatic control device for drilling the center hole of round steel bars uses a hydraulic chuck and a servo motor to drive the lead screw and drive the bench drill for automatic drilling, which solves the problem of high labor consumption in the existing technology and improves production efficiency.

CN224309660UActive Publication Date: 2026-06-02ANHUI MINING ELECTROMECHANICAL EQUIP

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI MINING ELECTROMECHANICAL EQUIP
Filing Date
2025-07-14
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing core drilling technology using round steel drill rods requires a significant amount of manpower from operators, resulting in low production efficiency.

Method used

An automated round steel drilling center hole device is used. The workpiece is clamped by a hydraulic chuck and the drill bit is driven by a servo motor to automatically drill holes, reducing manual operation.

Benefits of technology

It enables automatic drilling of hydraulic support components, reducing the workload of operators and significantly improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224309660U_ABST
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Abstract

This utility model discloses an automatically controlled device for drilling center holes in round steel, relating to the field of coal mining machinery technology. It includes a square support plate, with a bench drill fixedly connected to its upper surface. A hydraulic chuck is fixedly connected to the front of the upper surface of the square support plate, and a lead screw support seat is fixedly connected to the rear of the upper surface of the square support plate. A lead screw body is located at the center of the front of the lead screw support seat. Slides are provided on the left and right sides of the lower surface of the bench drill. A receiving block behind the hydraulic chuck can clamp the workpiece. The operator starts a servo motor, and the power output of the servo motor drives a drive rod to move. The drive rod then drives the bench drill to move on the slides via the lead screw, thus drilling a center hole in the workpiece. This avoids the need for operators to manually drill center holes in the pins or piston rods of hydraulic support components, reducing the operator's workload and significantly improving production efficiency.
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Description

Technical Field

[0001] This utility model relates to the field of coal mining machinery technology, and in particular to an automatic control device for drilling center holes in round steel. Background Technology

[0002] Coal mining machinery is a broad category of machinery. It is specifically designed for coal mining and differs from other mining machinery due to its specialized characteristics. As a major coal producer, China's annual coal production is constantly increasing. By the end of 2008, the national coal production had exceeded 2.4 billion tons, making the production of coal mining machinery a crucial part of my country's economy.

[0003] In existing technologies for drilling core holes with round steel drill rods, most techniques require operators to spend a lot of manpower drilling center holes in the pins or piston rods of hydraulic support components. This operation not only consumes a lot of manpower but also reduces production efficiency, thereby reducing practicality. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings mentioned in the background art by proposing an automatic control device for drilling center holes in round steel.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An automatic control device for drilling center holes in round steel includes a square support plate, a bench drill fixedly connected to the upper surface of the square support plate, a hydraulic chuck fixedly connected to the front of the upper surface of the square support plate, a lead screw support fixedly connected to the rear of the upper surface of the square support plate, a lead screw body disposed at the middle position in front of the lead screw support, and slides disposed on the left and right sides of the lower surface of the bench drill.

[0007] Preferably, a drill bit is provided at the center of the front of the bench drill, and a receiving block is fixedly connected at the center of the rear of the hydraulic chuck.

[0008] Preferably, a placement plate is fixedly connected to the middle position behind the square load-bearing plate, and a servo motor is provided on the upper surface of the placement plate.

[0009] Preferably, the power output end of the servo motor is provided with a drive rod, the outer surface of the servo motor is provided with a limit ring, and a limit frame is fixedly connected to the middle position of the left and right sides of the limit ring.

[0010] Preferably, the upper surface of the square load-bearing plate is provided with a sliding groove, and the number of sliding grooves is four. The interior of the four sliding grooves is slidably connected to a pad by a slider, and a protective pad is fixedly connected to the middle position of the upper surface of the pad.

[0011] Preferably, a support plate is fixedly connected to the left side of the lower surface of the square load-bearing plate, and a support rod is fixedly connected to the right side of the lower surface of the square load-bearing plate.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] The operator can fix the hydraulic chuck to the square load-bearing plate. The receiving block behind the hydraulic chuck can clamp the workpiece. Then, the operator starts the servo motor. The power output of the servo motor can drive the drive rod to move. The drive rod then drives the bench drill to move on the slide through the lead screw, thereby realizing the drilling of the center hole of the workpiece. The hydraulic chuck automatically clamps the workpiece, and the servo motor drives the bench drill through the lead screw to realize the automatic drilling and return of the workpiece. This avoids the operator's laborious operation of drilling center holes in the pins or piston rods of the hydraulic support components, reducing the operator's workload and greatly improving production efficiency. Attached Figure Description

[0014] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

[0015] Figure 1 This is a schematic diagram of the structure of an automatically controlled drilling device for center holes in round steel, as proposed in this utility model.

[0016] Figure 2 This is the left view proposed in this utility model;

[0017] Figure 3 This is a top view of the present invention;

[0018] Figure 4 This is the rear view of the present invention.

[0019] In the diagram: 1. Square load-bearing plate; 2. Bench drill; 3. Hydraulic chuck; 4. Lead screw support seat; 5. Lead screw body; 6. Slide rail; 7. Drill bit; 8. Receiving block; 9. Placement plate; 10. Servo motor; 11. Drive rod; 12. Limit ring; 13. Limit frame; 14. Slide groove; 15. Slider; 16. Pad; 17. Protective pad; 18. Support plate; 19. Support rod. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] Reference Figure 1-4An automatic control device for drilling center holes in round steel includes a square support plate 1, a bench drill 2 fixedly connected to the upper surface of the square support plate 1, a hydraulic chuck 3 fixedly connected to the front of the upper surface of the square support plate 1, a lead screw support 4 fixedly connected to the rear of the upper surface of the square support plate 1, a lead screw body 5 disposed at the center of the front of the lead screw support 4, slide rails 6 disposed on the left and right sides of the lower surface of the bench drill 2, a drill bit 7 disposed at the center of the front of the bench drill 2, a receiving block 8 fixedly connected to the center of the rear of the hydraulic chuck 3, and a placement plate 9 fixedly connected to the center of the rear of the square support plate 1. A servo motor 10 is provided on the surface, and a drive rod 11 is provided on the power output end of the servo motor 10. A limit ring 12 is provided on the outer surface of the servo motor 10. A limit frame 13 is fixedly connected to the middle position of the left and right sides of the limit ring 12. A sliding groove 14 is opened on the upper surface of the square load-bearing plate 1, and there are four sliding grooves 14. A pad 16 is slidably connected inside the four sliding grooves 14 through a slider 15. A protective pad 17 is fixedly connected to the middle position of the upper surface of the pad 16. A support plate 18 is fixedly connected to the left side of the lower surface of the square load-bearing plate 1, and a support rod 19 is fixedly connected to the right side of the lower surface of the square load-bearing plate 1.

[0022] In existing technologies for drilling core holes with round steel drill rods, most techniques require operators to spend a lot of manpower drilling center holes in the pins or piston rods of hydraulic support components. This operation not only consumes a lot of manpower but also reduces production efficiency, thereby reducing practicality.

[0023] When using this device, the operator can fix the hydraulic chuck 3 onto the square load-bearing plate 1. The receiving block 8 behind the hydraulic chuck 3 can clamp the pin or piston rod workpiece in the hydraulic support component. Then, the operator starts the servo motor 10. The power output end of the servo motor 10 can drive the drive rod 11 to move. Then, the drive rod 11 drives the bench drill 2 to move on the slide rail 6 through the lead screw body 5, thereby realizing the drilling of the center hole of the pin or piston rod workpiece in the hydraulic support component. The hydraulic chuck 3 automatically clamps the workpiece, and the servo motor 10 drives the bench drill 2 through the lead screw body 5 to automatically drill and return the pin or piston rod workpiece in the hydraulic support component. This avoids the operator having to manually drill the center hole of the pin or piston rod in the hydraulic support component, reduces the operator's workload, and also greatly improves production efficiency.

[0024] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A device for automatic control of centering holes in round steel, comprising a square support plate (1), characterized in that: A bench drill (2) is fixedly connected to the upper surface of the square load-bearing plate (1). A hydraulic chuck (3) is fixedly connected to the front of the upper surface of the square load-bearing plate (1). A lead screw support seat (4) is fixedly connected to the rear of the upper surface of the square load-bearing plate (1). A lead screw body (5) is provided at the middle position in front of the lead screw support seat (4). Slides (6) are provided on the left and right sides of the lower surface of the bench drill (2).

2. The automatic controlled round steel center hole drilling device according to claim 1, characterized in that, A drill bit (7) is provided at the middle position in front of the bench drill (2), and a receiving block (8) is fixedly connected at the middle position behind the hydraulic chuck (3).

3. The device according to claim 1, wherein A placement plate (9) is fixedly connected to the middle position behind the square load-bearing plate (1), and a servo motor (10) is provided on the upper surface of the placement plate (9).

4. The automatic controlled round steel center hole drilling device according to claim 3, characterized in that, The power output end of the servo motor (10) is provided with a drive rod (11), and the outer surface of the servo motor (10) is provided with a limit ring (12). The middle position of the left and right sides of the limit ring (12) is fixedly connected to a limit frame (13).

5. The automatic controlled round steel center hole drilling device according to claim 1, wherein, The upper surface of the square load-bearing plate (1) is provided with a sliding groove (14), and there are four sliding grooves (14). The interior of the four sliding grooves (14) is slidably connected to a pad (16) by a slider (15). A protective pad (17) is fixedly connected to the middle position of the upper surface of the pad (16).

6. The device according to claim 1, wherein A support plate (18) is fixedly connected to the left side of the lower surface of the square load-bearing plate (1), and a support rod (19) is fixedly connected to the right side of the lower surface of the square load-bearing plate (1).