Novel double-spindle machine tool

Through the design of the new dual spindle machine tool, drilling and tapping are achieved simultaneously, and the coordination between the buffer and the power cylinder is used to solve the problems of inefficiency and tool damage in the existing technology, and the efficiency and safety of processing are improved.

CN223130179UActive Publication Date: 2025-07-22JIANGSU TAIQUN PRECISION CNC EQUIP CO LTD
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Patent Information

Application Number
CN202422053715.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-23
Publication Date
2025-07-22
Estimated Expiration
2034-08-23

AI Technical Summary

Technical Problem

In the prior art, drilling and tapping need to be carried out in steps, which is inefficient, and the hard material is prone to damage the tool during tapping.

Method used

A new dual-spindle machine tool is designed, combining the first power chuck and the second power chuck to achieve drilling and tapping at the same time, and buffering feed is realized through buffering and power cylinder to adapt to hard material tapping.

Benefits of technology

Improves the efficiency of drilling and tapping, avoids tool damage, and enhances the safety and stability of processing.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223130179U_ABST
    Figure CN223130179U_ABST
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Abstract

A workbench is arranged on a base, a stand column is arranged on the rear side of the base, a first power chuck is arranged on the stand column, a second sliding rail is vertically arranged on the stand column, the second sliding rail is arranged on one side of the first power chuck, and the second sliding rail is connected with a second sliding seat in a sliding mode. The vertical column is provided with a second lead screw through a bearing seat, the second lead screw is in transmission connection with the second sliding seat through a ball nut seat, the upper end of the vertical column is provided with a second motor, and the second motor is in transmission connection with the second lead screw. Compared with the prior art, the drilling and tapping machine has the advantages that a tool does not need to be replaced, the drilling and tapping efficiency is improved, a buffer and a power cylinder are arranged, buffering and slow feeding of a tapping tool are achieved, tapping of hard materials is achieved, tool damage is avoided, safety and stability are improved, and the drilling and tapping machine has good practicability and applicability.
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Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machine tools, and particularly to a new type of double-spindle machine tool. Background Art

[0002] Drilling and tapping is a process of machining holes and threading on a workpiece. This process is usually carried out on a special machine tool, which is suitable for high-precision and high-efficiency machining requirements. The application fields of drilling and tapping are extensive, including the automotive manufacturing industry, the aerospace industry, the electronics industry, and the mold manufacturing industry, etc., for machining workpieces of various specifications and materials. When drilling and machining the same part, the existing method requires a drill press to drill the part first, and then replace the tapping tool to tap the part, resulting in relatively low efficiency. In addition, when using traditional equipment to tap parts, due to the material of the parts, the tapping may not be successful, and forced tapping will cause damage to the tapping tool. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a new type of double-spindle machine tool to solve at least one of the above technical problems in view of the deficiencies of the prior art.

[0004] The technical solution of the utility model to solve the above technical problems is as follows: A new type of double-spindle machine tool includes a base, a workbench is arranged on the base, a column is arranged at the rear side of the base, a first power chuck is arranged on the column, a second slide rail is vertically arranged on the column and is arranged on one side of the first power chuck, a second slide seat is slidably connected to the second slide rail, a second lead screw is arranged on the column through a bearing seat, the second lead screw is in transmission connection with the second slide seat through a ball screw nut seat, a second motor is arranged at the upper end of the column, the second motor is in transmission connection with the second lead screw, a third slide rail is vertically arranged on the second slide seat, a third slide seat is slidably connected to the third slide rail, a power cylinder is arranged at the top of the second slide seat, the power cylinder is connected to the third slide seat through a connecting piece, a buffer seat is arranged on the second slide seat, a buffer is arranged on the buffer seat, the buffer is connected to the third slide seat, and a second power chuck is arranged on the third slide seat. The first power chuck and the second power chuck are correspondingly arranged with the workbench.

[0005] Further, a first slide rail is vertically arranged on the column, a first slide seat is slidably connected to the first slide rail, a first power chuck is arranged on the first slide seat, a first lead screw is arranged on the column through a bearing seat, the first lead screw is in transmission connection with the first slide seat through a ball screw nut seat, and a first motor is arranged at the upper end of the column, the first motor is in transmission connection with the first lead screw.

[0006] Further, a fourth slide rail is arranged in the front - rear direction of the base. A fourth slide seat is slidably connected to the fourth slide rail. A third lead screw is arranged on the base through a bearing seat. The third lead screw is in transmission connection with the fourth slide seat through a ball screw nut seat. A third motor is arranged at the rear end of the base. The third lead screw is in transmission connection with the third motor. A workbench is arranged on the fourth slide seat.

[0007] Further, a fifth slide rail is arranged in the left - right direction on the fourth slide seat. A workbench is slidably connected to the fifth slide rail. A fourth lead screw is arranged on the fourth slide seat through a bearing seat. The fourth lead screw is in transmission connection with the workbench through a ball screw nut seat. A fourth motor is arranged on one side of the fourth slide seat. The fourth motor is in transmission connection with the fourth lead screw.

[0008] Further, the second power chuck includes a fifth motor, a speed reducer, and a drill chuck. The transmission rod of the fifth motor is connected to the speed reducer, and the speed reducer is in transmission connection with the drill chuck.

[0009] The beneficial effects of the present utility model are as follows:

[0010] By arranging a second power chuck on one side of the first power chuck, the present utility model can simultaneously perform drilling and tapping without replacing tools, improving the efficiency of drilling and tapping. The present utility model also realizes buffering and slow feeding of the tapping tool through the arrangement of a buffer and a power cylinder, enabling tapping of harder materials, avoiding tool damage, and improving safety and stability, with good practicability and applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 is a schematic structural diagram of the present utility model.

[0012] Figure 2 is a partial structural schematic diagram of the second slide seat of the present utility model.

[0013] In the drawings, the list of components represented by each reference numeral is as follows:

[0014] Base 1; Column 2; First slide rail 3; First slide seat 4; First power chuck 5; First lead screw 6; First motor 7; Second slide rail 8; Second slide seat 9; Second lead screw 10; Second motor 11; Third slide rail 12; Third slide seat 13; Power cylinder 14; Connecting piece 15; Buffer seat 16; Buffer 17; Second power chuck 18; Fourth slide rail 19; Fourth slide seat 20; Third lead screw 21; Fifth slide rail 22; Workbench 23; Fourth lead screw 24; Fourth motor 25. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] The present utility model will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present utility model and not to limit the scope of the present utility model. In addition, it should be understood that after reading the content taught by the present utility model, those skilled in the art can make various changes or modifications to the present utility model, and these equivalent forms also fall within the scope defined by the appended claims of the application.

[0016] Embodiment 1: Refer to Figures 1 to 2 These are schematic diagrams of the various structures of the present utility model, including a base 1. A workbench 23 is provided on the base 1 for fixing the parts to be processed. A column 2 is provided at the rear side of the base 1. A first power chuck 5 is provided on the column 2. The parts are processed by clamping a cutting tool such as a drill bit. A second slide rail 8 is vertically provided on the column 2 and the second slide rail 8 is arranged on one side of the first power chuck 5. A second slide block 9 is slidably connected to the second slide rail 8. A second lead screw 10 is provided on the column 2 through a bearing block. The second lead screw 10 is in transmission connection with the second slide block 9 through a ball screw nut block. A second motor 11 is provided at the upper end of the column 2. The second motor 11 is in transmission connection with the second lead screw 10. The second motor 11 drives the second slide block 9 to move. A third slide rail 12 is vertically provided on the second slide block 9. A third slide block 13 is slidably connected to the third slide rail 12. A power cylinder 14 is provided at the top of the second slide block 9. The power cylinder 14 is connected to the third slide block 13 through a connecting member 15. The power cylinder 14 drives the third slide block 13 to move. A buffer seat 16 is provided on the second slide block 9. A buffer 17 is provided on the buffer seat 16. The buffer 17 is connected to the third slide block 13. The buffer 17 buffers the third slide block 13, so that the third slide block 13 can displace upward when subjected to resistance. A second power chuck 18 is provided on the third slide block 13 for clamping a cutting tool such as a tapping tool. The first power chuck 5 and the second power chuck 18 are both arranged corresponding to the workbench 23, which is convenient for processing the parts on the workbench 23.

[0017] Specifically, a first slide rail 3 is vertically provided on the column 2. A first slide block 4 is slidably connected to the first slide rail 3. A first power chuck 5 is provided on the first slide block 4. A first lead screw 6 is provided on the column 2 through a bearing block. The first lead screw 6 is in transmission connection with the first slide block 4 through a ball screw nut block. A first motor 7 is provided at the upper end of the column 2. The first motor 7 is in transmission connection with the first lead screw 6. The first motor 7 drives the first power chuck 5 to move.

[0018] Specifically, a fourth slide rail 19 is provided in the front-back direction of the base 1. A fourth slide block 20 is slidably connected to the fourth slide rail 19. A third lead screw 21 is provided on the base 1 through a bearing block. The third lead screw 21 is drivingly connected to the fourth slide block 20 through a ball screw nut block. A third motor is provided at the rear end of the base 1. The third lead screw 21 is drivingly connected to the third motor. A workbench 23 is provided on the fourth slide block 20. A fourth motor 25 drives the workbench 23 to move back and forth.

[0019] Specifically, a fifth slide rail 22 is provided in the left-right direction on the fourth slide block 20. A workbench 23 is slidably connected to the fifth slide rail 22. A fourth lead screw 24 is provided on the fourth slide block 20 through a bearing block. The fourth lead screw 24 is drivingly connected to the workbench 23 through a ball screw nut block. A fourth motor 25 is provided on one side of the fourth slide block 20. The fourth motor 25 is drivingly connected to the fourth lead screw 24. The fourth motor 25 drives the workbench 23 to move left and right.

[0020] Specifically, the second power chuck 18 includes a fifth motor, a speed reducer, and a drill chuck. The transmission rod of the fifth motor is connected to the speed reducer. The speed reducer is drivingly connected to the drill chuck. The motor is decelerated by the speed reducer to obtain the maximum torque to realize tapping of harder materials.

[0021] Sliders are provided at the bottom of the first slide block 4 and the sliders are slidably connected to the first slide rail 3. Sliders are provided at the bottom of the second slide block 9 and the sliders are slidably connected to the second slide rail 8. Sliders are provided at the bottom of the third slide block 13 and the sliders are slidably connected to the third slide rail 12. Sliders are provided at the bottom of the fourth slide block 20 and the sliders are slidably connected to the fourth slide rail 19. Sliders are provided at the bottom of the workbench 23 and the sliders are slidably connected to the fifth slide rail 22, improving the quality and stability of sliding.

[0022] When using the present utility model, a drill bit is fixed on the first power chuck 5, a tapping tool is fixed on the second power chuck 18, and a part is fixed on the workbench 23. The fourth motor 25 and the third motor cooperate to drive the workbench 23 to move the part below the first power chuck 5. The first motor 7 drives the first power chuck 5 to move downward. The first power chuck 5 drives the drill bit to rotate to perform drilling on the part. After the drilling is completed, the fourth motor 25 drives the workbench 23 to move the part below the second power chuck 18. The second motor 11 drives the second power chuck 18 to move downward so that the tapping tool corresponds to the hole. The second power chuck 18 drives the tapping tool to rotate. The fifth motor is decelerated by the speed reducer to achieve low speed and high torque to tap the hole. At the beginning, due to the hard material of the part, the tapping is blocked. The buffer 17 cooperates with the power cylinder 14 to buffer the tapping tool. The tapping drill bit continues to rotate slowly. The power cylinder 14 starts to give force slowly. When the tapping can be carried out, the power cylinder 14 continues to give a downward force to the tapping tool to tap the hole.

[0023] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A new type of double-spindle machine tool, including a base (1), a workbench (23) is arranged on the base (1), a column (2) is arranged at the rear side of the base (1), and a first power chuck (5) is arranged on the column (2), characterized in that: The vertical column (2) is vertically provided with a second slide rail (8), and the second slide rail (8) is arranged on one side of the first power chuck (5). The second slide rail (8) is slidably connected with a second slide block (9). The vertical column (2) is provided with a second lead screw (10) through a bearing block. The second lead screw (10) is in transmission connection with the second slide block (9) through a ball screw nut block. The upper end of the vertical column (2) is provided with a second motor (11), and the second motor (11) is in transmission connection with the second lead screw (10). The second slide block (9) is vertically provided with a third slide rail (12), and the third slide rail (12) is slidably connected with a third slide block (13). The top of the second slide block (9) is provided with a power cylinder (14), and the power cylinder (14) is connected with the third slide block (13) through a connecting piece (15). A buffer seat (16) is arranged on the second slide block (9), and a buffer (17) is arranged on the buffer seat (16). The buffer (17) is connected with the third slide block (13). A second power chuck (18) is arranged on the third slide block (13). The first power chuck (5) and the second power chuck (18) are correspondingly arranged with the workbench (23).

2. The novel double-spindle machine tool according to claim 1, characterized in that: The vertical column (2) is vertically provided with a first slide rail (3), and the first slide rail (3) is slidably connected with a first slide block (4). A first power chuck (5) is arranged on the first slide block (4). The vertical column (2) is provided with a first lead screw (6) through a bearing block. The first lead screw (6) is in transmission connection with the first slide block (4) through a ball screw nut block. The upper end of the vertical column (2) is provided with a first motor (7), and the first motor (7) is in transmission connection with the first lead screw (6).

3. A novel double-spindle machine tool according to claim 1, characterized in that: The base (1) is provided with a fourth slide rail (19) in the front-back direction, and the fourth slide rail (19) is slidably connected with a fourth slide block (20). The base (1) is provided with a third lead screw (21) through a bearing block. The third lead screw (21) is in transmission connection with the fourth slide block (20) through a ball screw nut block. A third motor is arranged at the rear end of the base (1), and the third lead screw (21) is in transmission connection with the third motor. A workbench (23) is arranged on the fourth slide block (20).

4. The novel double-spindle machine tool according to claim 3, characterized in that: A fifth slide rail (22) is arranged on the fourth slide block (20) in the left-right direction, and the fifth slide rail (22) is slidably connected with the workbench (23). The fourth slide block (20) is provided with a fourth lead screw (24) through a bearing block. The fourth lead screw (24) is in transmission connection with the workbench (23) through a ball screw nut block. A fourth motor (25) is arranged on one side of the fourth slide block (20), and the fourth motor (25) is in transmission connection with the fourth lead screw (24).

5. A novel double-spindle machine tool according to claim 1, characterized in that: The second power chuck (18) includes a fifth motor, a speed reducer, and a drill chuck. The transmission rod of the fifth motor is connected with the speed reducer, and the speed reducer is in transmission connection with the drill chuck.