A side punching structure for automatic lathe

By installing a servo motor and lead screw system on the tool post of an automatic lathe, the side drilling function of the automatic lathe can be realized, which solves the problems of low processing efficiency and increased equipment investment caused by the lack of side drilling in the existing technology, and improves processing accuracy and efficiency.

CN224526052UActive Publication Date: 2026-07-21GUANGZHOU XINZHAO INTELLIGENT PRECISION MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGZHOU XINZHAO INTELLIGENT PRECISION MFG CO LTD
Filing Date
2025-08-26
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing automatic lathes lack side drilling capabilities, which necessitates rearranging processing steps, increasing equipment investment and maintenance, and reducing processing efficiency.

Method used

A servo motor and lead screw system are installed on the tool holder, combined with slide rails and slider guides, to achieve precise linear motion, which is used in conjunction with an electric spindle and drill bit for side drilling.

Benefits of technology

It improves the accuracy of drilling positions and processing efficiency, reduces errors and downtime, and enhances the versatility of the machine tool.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of side punching structure for automatic lathe, including main panel, the one side upper end of main panel is provided with servo motor, and one end of main panel is connected with shaft coupling, one end of shaft coupling is connected with lead screw, lead screw nut is sleeved on the lead screw, the one end of lead screw nut is installed with mounting seat, the lower end of mounting seat is provided with sliding seat, the other side of main panel is installed with electric spindle. Through the helical transmission of servo motor driving lead screw and lead screw nut, accurate displacement control can be realized, the guiding effect of cooperating slide rail and sliding block makes the positioning accuracy of electric spindle and drill bit greatly improve, effectively ensure the accuracy of punching position, the connection between each component is close and reasonable, shaft coupling reduces transmission vibration, the cooperation of slide rail and sliding block limits excess displacement, so that the whole structure is stable and reliable in movement process, reduce error in processing process.
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Description

Technical Field

[0001] This utility model relates to the field of automatic lathe technology, specifically a side-drilling structure for an automatic lathe. Background Technology

[0002] In machining processes, automatic lathes often require side drilling operations on workpieces. The original single-axis longitudinal cutting automatic lathe has a tool post structure with three vertical tool boxes and two horizontal tool boxes distributed on the tool post. The tool locking block is fixed on the tool box, and the tool bar is mounted on the tool locking block. The tool is longitudinally fed by the rotation of the cam to cut the surface of the part, but it does not have the function of side drilling. Because it lacks a side drilling function, it cannot meet the machining needs of most parts with side holes. This necessitates rearranging two machining processes, repeatedly checking machining dimensions and positions, wasting time and manpower, increasing investment in and maintenance of additional equipment, and significantly reducing machining efficiency. To avoid affecting the number and function of existing tools, a side drilling tool is now added to the side of the tool holder. The drilling tool is designed at the location of the main panel on the tool post, using a servo motor combined with a lead screw feed for drilling. This achieves the drilling function without affecting the original functions of other tools, solving the problem of parts requiring side drilling, improving the machine tool's versatility, overcoming its limitations, and meeting diverse market demands. Based on the original machine tool structure, through technical improvements, a side drilling device is added, enabling the machine tool to have side drilling capabilities. Therefore, those skilled in the art provide a side drilling structure for automatic lathes to solve the problems mentioned in the background art. Summary of the Invention

[0003] The purpose of this invention is to provide a side-drilling structure for an automatic lathe to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: A side-drilling structure for an automatic lathe includes a main panel. A servo motor is mounted on the upper end of one side of the main panel, and a coupling is connected to one end of the main panel. A lead screw is connected to one end of the coupling, and a lead screw nut is sleeved on the lead screw. A mounting base is installed at one end of the lead screw nut, and a sliding seat is provided at the lower end of the mounting base. An electric spindle is mounted on the other side of the main panel. The electric spindle is fixed by an electric spindle mounting base, and the rear side of the electric spindle mounting base is connected to the sliding seat through a connecting block.

[0005] As a further improvement of this utility model, the servo motor is fixedly connected to the main panel via a lead screw servo motor mount.

[0006] As a further improvement of this utility model, a movable groove is provided on the side of the main panel and at a position on one side of the electric spindle mounting base.

[0007] As a further improvement of this utility model, a slide rail is installed on the upper surface of the main panel and below the lead screw.

[0008] As a further improvement of this utility model, a sliding saddle is provided at the lower end of the sliding seat.

[0009] As a further improvement of this utility model: two slide rails are provided, and a slider is provided between the two slide rails. The slider is fixedly installed in the slide saddle inside the slide seat.

[0010] As a further improvement of this utility model: the connecting block passes through the movable groove and is fixedly connected to the slider on the inner side of the sliding seat.

[0011] As a further improvement of this utility model: the mounting base has a rectangular structure, and a circular hole is provided in the middle of the mounting base for the lead screw to pass through.

[0012] As a further improvement of this utility model, a drill bit is installed at one end of the electric spindle.

[0013] As a further improvement of this utility model, a pad is also provided between the mounting base and the sliding base.

[0014] Compared with the prior art, the beneficial effects of this utility model are: 1. By driving the lead screw and lead screw nut with a servo motor, precise displacement control can be achieved. Combined with the guiding effect of the slide rail and slider, the positioning accuracy of the electric spindle and drill bit is greatly improved, effectively ensuring the accuracy of the drilling position. The connection between each component is tight and reasonable. The coupling reduces transmission vibration, and the cooperation between the slide rail and slider limits excess displacement, making the entire structure stable and reliable during movement and reducing errors in the processing.

[0015] 2. Due to its precise positioning and stable operation, this application avoids problems such as rework caused by inaccurate positioning. At the same time, the smooth cooperation of each component reduces the downtime during processing and effectively improves the processing efficiency of side drilling. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the mounting structure of the electric spindle in a side-drilling structure for an automatic lathe; Figure 2 A schematic diagram of a side-drilling structure for an automatic lathe; Figure 3 A schematic diagram of the installation structure of a coupling in a side-drilled structure for an automatic lathe; Figure 4 This is an exploded view of a side-drilling structure for an automatic lathe.

[0017] In the diagram: 1. Main panel; 2. Servo motor; 3. Movable slot; 4. Electric spindle; 5. Slide rail; 6. Electric spindle mounting base; 7. Lead screw servo motor base; 8. Lead screw; 9. Lead screw nut; 10. Mounting base; 11. Sliding seat; 12. Connecting block; 13. Coupling. Detailed Implementation

[0018] Please see Figures 1-4 In this embodiment of the invention, an automatic lathe with a side-drilling structure uses a main panel 1 as the foundation support component, providing an installation reference and load-bearing platform for all other components. A servo motor 2 is securely mounted on the upper side of the main panel 1 via a lead screw servo motor mount 7. The lead screw servo motor mount 7 not only provides fixation but also facilitates fine-tuning of the servo motor 2's position when necessary. The power output from the servo motor 2 is transmitted to the lead screw 8 via a coupling 13. The coupling 13 effectively compensates for installation errors between the servo motor 2 and the lead screw 8, reducing vibration and impact during transmission and ensuring smooth power transmission.

[0019] The lead screw 8 and the lead screw nut 9 sleeved on it form a helical transmission pair, which is the core transmission structure for achieving linear motion. When the lead screw 8 rotates under the drive of the servo motor 2, the lead screw nut 9 will make precise linear motion along the axis of the lead screw 8. The lead screw nut 9 is fixedly connected to the mounting base 10, and the circular hole in the middle of the mounting base 10 allows the lead screw 8 to pass through, ensuring that the rotation of the lead screw 8 is not interfered with by the mounting base 10. At the same time, the mounting base 10 moves linearly together with the lead screw nut 9. The lower end of the mounting base 10 is connected to the sliding base 11. The spacing between the two pads can be adjusted according to actual assembly requirements to ensure the connection accuracy between the mounting base 10 and the sliding base 11. A saddle is provided at the lower end of the sliding base 11, and a slider is installed inside the saddle. This slider is located between two slide rails 5 on the upper surface of the main panel 1 and forms a sliding engagement with the slide rails 5. This engagement method provides precise guidance for the movement of the sliding base 11, restricting its displacement in other directions and ensuring that it can only move in a straight line along the slide rails 5, thereby guaranteeing the straightness and stability of the entire drilling structure's movement. The electric spindle 4 on the other side of the main panel 1 is fixedly installed via the electric spindle mounting base 6. The connecting block 12 on the rear side of the electric spindle mounting base 6 passes through the movable groove 3 on the side of the main panel 1 and is fixedly connected to the slider on the inner side of the sliding seat 11. The movable groove 3 provides space for the movement of the connecting block 12, allowing it to move together with the sliding seat 11. When the sliding seat 11 moves along the slide rail 5 under the drive of the lead screw nut 9, it will drive the electric spindle mounting base 6 and the electric spindle 4 to move synchronously through the connecting block 12. The drill bit installed at one end of the electric spindle 4 will then move accordingly, thereby realizing the drilling operation on the side of the workpiece.

[0020] The working principle of this utility model is as follows: The power to the automatic lathe and the side-drilling structure is turned on, starting the servo motor 2 and the electric spindle 4. The electric spindle 4 drives the drill bit to rotate at high speed. The operation of the servo motor 2 is controlled by the control system. The servo motor 2 drives the lead screw 8 to rotate through the coupling 13. The lead screw nut 9 moves along the lead screw 8, thereby moving the mounting base 10 and the sliding base 11. The sliding base 11 drives the electric spindle mounting base 6 and the electric spindle 4 to move through the connecting block 12, causing the drill bit to gradually approach the workpiece to be drilled. During the movement, the cooperation between the slide rail 5 and the slider ensures the smoothness and accuracy of the movement. When the drill bit reaches the workpiece to be drilled, the servo motor 2 is controlled to slowly feed the drill bit to perform side drilling on the workpiece. During the drilling process, the operating status of the equipment and the processing of the workpiece are closely monitored. After drilling is completed, the servo motor 2 is reversed through the control system to remove the drill bit from the workpiece and return it to its initial position. The electric spindle 4 and the servo motor 2 are turned off, the power is cut off, and the processed workpiece is removed.

[0021] 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 side-drilling structure for an automatic lathe, comprising a main panel (1), characterized in that, A servo motor (2) is provided on the upper side of one side of the main panel (1), and a coupling (13) is connected to one end of the main panel (1). A lead screw (8) is connected to one end of the coupling (13), and a lead screw nut (9) is sleeved on the lead screw (8). A mounting seat (10) is installed at one end of the lead screw nut (9), and a sliding seat (11) is provided at the lower end of the mounting seat (10). An electric spindle (4) is installed on the other side of the main panel (1). The electric spindle (4) is fixed by an electric spindle mounting seat (6), and the rear side of the electric spindle mounting seat (6) is connected to the sliding seat (11) through a connecting block (12).

2. The side-drilling structure for an automatic lathe according to claim 1, characterized in that, The servo motor (2) is fixedly connected to the main panel (1) via a lead screw servo motor mount (7).

3. The side drilling structure for an automatic lathe according to claim 1, characterized in that, A movable groove (3) is provided on the side of the main panel (1) and at a position on one side of the electric spindle mounting base (6).

4. The side drilling structure for an automatic lathe according to claim 1, characterized in that, A slide rail (5) is installed on the upper surface of the main panel (1) and below the lead screw (8).

5. The side drilling structure for an automatic lathe according to claim 4, characterized in that, The lower end of the sliding seat (11) is provided with a sliding saddle.

6. The side drilling structure for an automatic lathe according to claim 4, characterized in that, There are two slide rails (5), and a slider is provided between the two slide rails (5). The slider is fixedly installed in the slide saddle inside the slide seat (11).

7. The side drilling structure for an automatic lathe according to claim 3, characterized in that, The connecting block (12) passes through the movable groove (3) and is fixedly connected to the slider inside the sliding seat (11).

8. The side-drilling structure for an automatic lathe according to claim 1, characterized in that, The mounting base (10) has a rectangular structure, and a circular hole is provided in the middle of the mounting base (10) for the lead screw (8) to pass through.

9. The side-drilling structure for an automatic lathe according to claim 1, characterized in that, A drill bit is mounted on one end of the electric spindle (4).

10. The side-drilling structure for an automatic lathe according to claim 1, characterized in that, A pad is also provided between the mounting base (10) and the sliding base (11).