High-efficiency and high-precision drilling and tapping combined machine tool

Abstract

This utility model discloses a high-efficiency and high-precision drilling and tapping combined composite machine tool, relating to the field of composite machine tool technology. It addresses the problem in existing technologies where, during drilling and tapping, the next workpiece can only be processed after the previous one is completely finished, resulting in low processing efficiency and poor practicality. The machine tool body contains a workpiece mounting frame located below the drilling and tapping mechanisms. The workpiece mounting frame includes three frustums, arranged in pairs of adjacent frustums, with a 60-degree angle between each pair. A connecting plate is fixedly installed between adjacent frustums, and a central platform is fixedly installed between the three connecting plates. Fixing plates are symmetrically fixedly installed on both sides of the upper end of each frustum. Clamping plates are provided on the inner sides of both fixing plates. A threaded rod is rotatably mounted on the clamping plate facing the fixing plate, and the threaded rod is threadedly connected to and passes through the fixing plate.

Description

Technical Field

[0001] This utility model relates to the field of composite machine tool technology, specifically a high-efficiency and high-precision drilling and tapping combined composite machine tool. Background Technology

[0002] Drilling and tapping combined machine tool, also known as drilling and tapping machine, is an advanced machine tool that integrates multiple processing functions such as drilling and tapping. It has significant advantages such as high precision, high efficiency, and multiple functions, and is widely used in automobile manufacturing, electronics manufacturing, machining, aerospace, and mold manufacturing.

[0003] For example, the patent with announcement number CN 212762357 U (a CNC lathe with milling, turning, drilling and tapping composite functions) includes a bed and a composite machining mechanism. The upper inner surface of the bed is fixed with mounting brackets on both sides. The shaft ends of the rotating shafts are all equipped with transmission belts. The outer sides of the rotating shafts are all spirally fitted with sleeves. The ends of the connecting rods are all fixed with clamping plates. The middle of the bracket is equipped with a hollow support. A folded rubber cylinder is fixed above the rubber cup. Mounting plates are fixed on the inner walls of the upper two sides of the bed. The output ends of the hydraulic cylinders are all connected with hydraulic rods. The composite machining mechanism is slidably installed in the slide.

[0004] While the aforementioned existing technologies are convenient for quickly securing workpieces, the next workpiece can only be processed after the previous one has been completely finished during the drilling and tapping process, resulting in low processing efficiency and poor practicality. Therefore, there is an urgent market need to develop a high-efficiency, high-precision drilling and tapping combined machine tool to help people solve the existing problems. Utility Model Content

[0005] The purpose of this utility model is to provide a high-efficiency and high-precision drilling and tapping combined machine tool to solve the problem mentioned in the background art that in the process of drilling and tapping workpieces, the next workpiece can only be processed after the previous workpiece is completely processed, resulting in low processing efficiency and poor practicality.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-efficiency and high-precision drilling and tapping combined machine tool, comprising a machine tool body, a drilling mechanism and a tapping mechanism, wherein a workpiece mounting frame is provided inside the machine tool body along the lower part of the drilling mechanism and the tapping mechanism, the workpiece mounting frame comprising a frustum, wherein three frustums are provided, each pair of adjacent frustums forming a group, the included angle between each pair of frustums being 60 degrees, a connecting plate being fixedly installed between two adjacent frustums, and a central platform being fixedly installed between the three connecting plates.

[0007] Preferably, fixing plates are symmetrically fixedly installed on both sides of the upper end of the circular platform, and clamping plates are provided on the inner side of each of the two fixing plates. A threaded rod is rotatably installed on the side of the clamping plate facing the fixing plate. The threaded rod is threadedly connected to the fixing plate and passes through the fixing plate. A handwheel is fixedly installed on the end of the threaded rod away from the clamping plate.

[0008] Preferably, a pad is fixedly installed on the lower inner side of each of the two clamping plates, and a square slot is provided inside the frustum.

[0009] Preferably, a central column is installed in the middle below the workpiece mounting frame. The central column is fixedly connected to the central platform by screws. A power box is rotatably installed below the central column and is fixedly connected to the machine tool body by screws. An electric motor is fixedly installed inside the power box, and the output end of the electric motor is fixedly connected to the central column.

[0010] Preferably, a support plate is provided below each of the three truncated cones, and a U-shaped frame is provided below the support plate. The U-shaped frame is fixedly connected to the machine tool body by screws. An electric cylinder is fixedly installed inside the U-shaped frame, and the push rod end of the electric cylinder extends to the top of the U-shaped frame and is fixedly connected to the support plate by screws.

[0011] Preferably, the front end of the machine tool body is provided with a sliding door, and the interior of the sliding door is provided with a viewing window.

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

[0013] This utility model significantly improves the efficiency and standardization of workpiece drilling and tapping by introducing a workpiece mounting rack design. The workpiece mounting rack has three truncated cones, each capable of clamping a workpiece. This design allows workpieces on different cones to be clamped, drilled, and tapped simultaneously, forming a production line-like operation. The rotatable nature of the workpiece mounting rack allows for flexible switching between processing steps on each cone, further enhancing the continuity and efficiency of the processing. This not only improves the standardization and normalization of workpiece processing but also effectively reduces the time required for workpiece clamping and unclamping, thus significantly improving overall processing efficiency. Furthermore, this multi-station simultaneous processing method significantly reduces machine tool idle time, increases machine tool utilization, and further enhances the machine tool's practicality and economic benefits.

[0014] This utility model features a fixed plate, clamping plate, pad, threaded rod, and handwheel positioned above a frustum. During workpiece processing, the workpiece can be placed between the two clamping plates. By rotating the two handwheels and the two threaded rods, the two clamping plates move closer together to clamp and fix the workpiece. The pad provides support for the workpiece from its edge, preventing it from falling. This design improves the stability and accuracy of the drilling and tapping process.

[0015] This utility model features a support plate, an electric cylinder, and a U-shaped frame installed under each of the three truncated cones. During workpiece processing, the electric cylinder drives the support plate to move up and down, and by driving the support plate to move up and contact the truncated cones, it can support the truncated cones, increase their stability, and improve the stability of workpiece processing on the truncated cones, thereby improving the accuracy of drilling and tapping. Attached Figure Description

[0016] Figure 1 This is a front view of a high-efficiency, high-precision drilling and tapping combined machine tool according to the present invention;

[0017] Figure 2 This is a cross-sectional view of a high-efficiency and high-precision drilling and tapping combined machine tool according to the present invention;

[0018] Figure 3 This is an enlarged schematic diagram of part A of this utility model;

[0019] Figure 4 This is a top view of the workpiece mounting rack of this utility model;

[0020] Figure 5 This is an enlarged schematic diagram of part B of this utility model.

[0021] In the diagram: 1. Machine tool body; 2. Sliding door; 3. Workpiece mounting rack; 301. Frustum; 3011. Square slot; 302. Center table; 303. Connecting plate; 4. Power box; 5. Drilling mechanism; 6. Tapping mechanism; 7. Center column; 8. U-shaped frame; 9. Electric cylinder; 10. Support plate; 11. Fixing plate; 12. Clamping plate; 13. Pad plate; 14. Threaded rod; 15. Handwheel. Detailed Implementation

[0022] 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.

[0023] Please see Figure 1-5The present invention provides an embodiment of a high-efficiency and high-precision drilling and tapping combined machine tool, comprising a machine tool body 1, a drilling mechanism 5 and a tapping mechanism 6. Inside the machine tool body 1, a workpiece mounting frame 3 is provided below the drilling mechanism 5 and the tapping mechanism 6. The workpiece mounting frame 3 includes a frustum 301, and three frustums 301 are provided. Each pair of adjacent frustums 301 forms a group, and the included angle between each pair of frustums 301 is 60 degrees. A connecting plate 303 is fixedly installed between two adjacent frustums 301, and a center platform 302 is fixedly installed between the three connecting plates 303.

[0024] In use, three truncated cones 301 are set inside the workpiece mounting frame 3, and workpieces can be clamped on all three truncated cones 301. During workpiece drilling and tapping, the workpieces on different truncated cones 301 can be subjected to different processes according to the three processes of clamping, drilling and tapping. By rotating the workpiece mounting frame 3, the processes of the workpieces on different truncated cones 301 are changed, thus forming a cycle between processes. This improves the standardization and normalization of workpiece drilling and tapping. Compared with the method of disassembling and re-clamping the next workpiece after the workpiece is completely processed, it reduces the time wasted on workpiece clamping and disassembly, greatly improves the workpiece processing efficiency, and increases the practicality of the machine tool.

[0025] Furthermore, two fixing plates 11 are symmetrically fixed on both sides of the upper end of the frustum 301. Clamping plates 12 are provided on the inner side of each fixing plate 11. A threaded rod 14 is rotatably installed on the side of the clamping plate 12 facing the fixing plate 11. The threaded rod 14 is threadedly connected to the fixing plate 11 and passes through the fixing plate 11. A handwheel 15 is fixedly installed on the end of the threaded rod 14 away from the clamping plate 12. When processing the workpiece, the workpiece can be placed between the two clamping plates 12. By rotating the two handwheels 15, the two clamping plates 12 are brought closer together to clamp and fix the workpiece through the rotation of the two threaded rods 14.

[0026] Furthermore, pads 13 are fixedly installed on the lower inner sides of both clamping plates 12. The pads 13 can support the edge of the workpiece when it is clamped, preventing the workpiece from falling. This is beneficial to the stability of the workpiece drilling and tapping process and improves the accuracy of the workpiece drilling and tapping process. The inside of the frustum 301 is provided with a square slot 3011, which is beneficial to the falling of the waste chips generated during the workpiece drilling and tapping process.

[0027] Furthermore, a center column 7 is installed in the middle below the workpiece mounting frame 3. The center column 7 is fixedly connected to the center table 302 by screws. A power box 4 is rotatably installed below the center column 7 and is fixedly connected to the machine tool body 1 by screws. An electric motor is fixedly installed inside the power box 4, and the output end of the electric motor is fixedly connected to the center column 7. By starting the electric motor, the center column 7 is driven to rotate, so that the workpiece mounting frame 3 can rotate.

[0028] Furthermore, each of the three frustums 301 is provided with a support plate 10. The support plate 10 has multiple slots inside, which allows waste chips falling through the square slots 3011 to pass through the support plate 10 and fall down. A U-shaped frame 8 is provided below the support plate 10, and the U-shaped frame 8 is fixedly connected to the machine tool body 1 by screws. An electric cylinder 9 is fixedly installed inside the U-shaped frame 8. The push rod end of the electric cylinder 9 extends to the top of the U-shaped frame 8 and is fixedly connected to the support plate 10 by screws. This allows the electric cylinder 9 to drive the support plate 10 to move upward and contact the frustum 301, thereby supporting the frustum 301, increasing the stability of the frustum 301, and improving the accuracy of workpiece drilling and tapping.

[0029] Furthermore, a sliding door 2 is provided at the front end of the machine tool body 1, and a viewing window is provided inside the sliding door 2 to facilitate the opening and closing of the machine tool body 1 and increase its practicality.

[0030] Working principle: During operation, when drilling and tapping a workpiece, the first workpiece is clamped on the foremost truncated cone 301. Then, the workpiece mounting bracket 3 is driven to rotate clockwise, causing the first workpiece to rotate below the drilling mechanism 5 for drilling. Simultaneously, the second truncated cone 301 rotates to the foremost position and clamps the second workpiece. After the first workpiece is drilled, the workpiece mounting bracket 3 is driven to rotate clockwise again, causing the first workpiece to rotate below the tapping mechanism 6 for tapping. The second workpiece rotates to the foremost position for drilling. At the same time, the third truncated cone 301 rotates to the foremost position and clamps the third workpiece. After the first and second workpieces are processed, the workpiece mounting bracket 3 is driven to rotate clockwise, causing the first drilled and tapped workpiece to rotate to the foremost position for unloading and then clamping the next workpiece. This cycle is repeated to perform drilling and tapping, enhancing the continuity and efficiency of the workpiece processing.

[0031] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A high-efficiency, high-precision drilling and tapping combined machine tool, comprising a machine tool body (1), a drilling mechanism (5), and a tapping mechanism (6), characterized in that: Inside the machine tool body (1), below the drilling mechanism (5) and tapping mechanism (6), there is a workpiece mounting frame (3). The workpiece mounting frame (3) includes a frustum (301). There are three frustums (301). Each pair of adjacent frustums (301) forms a group. The included angle between each pair of frustums (301) is 60 degrees. A connecting plate (303) is fixedly installed between two adjacent frustums (301). A center plate (302) is fixedly installed between the three connecting plates (303).

2. The high-efficiency, high-precision drilling and tapping combined machine tool according to claim 1, characterized in that: Fixed plates (11) are symmetrically fixed on both sides of the upper end of the truncated cone (301). Clamping plates (12) are provided on the inner side of both fixed plates (11). A threaded rod (14) is rotatably installed on the side of the clamping plate (12) facing the fixed plate (11). The threaded rod (14) is threadedly connected to the fixed plate (11) and passes through the fixed plate (11). A handwheel (15) is fixedly installed at the end of the threaded rod (14) away from the clamping plate (12).

3. The high-efficiency, high-precision drilling and tapping combined machine tool according to claim 2, characterized in that: A pad (13) is fixedly installed on the lower inner side of each of the two clamping plates (12), and a square slot (3011) is provided inside the frustum (301).

4. The high-efficiency, high-precision drilling and tapping combined machine tool according to claim 1, characterized in that: A central column (7) is installed in the middle below the workpiece mounting frame (3). The central column (7) is fixedly connected to the central platform (302) by screws. A power box (4) is rotatably installed below the central column (7). The power box (4) is fixedly connected to the machine tool body (1) by screws. An electric motor is fixedly installed inside the power box (4), and the output end of the electric motor is fixedly connected to the central column (7).

5. The high-efficiency, high-precision drilling and tapping combined machine tool according to claim 1, characterized in that: Each of the three truncated cones (301) is provided with a support plate (10) below it. A U-shaped frame (8) is provided below the support plate (10), and the U-shaped frame (8) is fixedly connected to the machine tool body (1) by screws. An electric cylinder (9) is fixedly installed inside the U-shaped frame (8). The push rod end of the electric cylinder (9) extends to the top of the U-shaped frame (8) and is fixedly connected to the support plate (10) by screws.

6. The high-efficiency, high-precision drilling and tapping combined machine tool according to claim 1, characterized in that: The front end of the machine tool body (1) is provided with a sliding door (2), and the interior of the sliding door (2) is provided with a viewing window.

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