Drilling and thread milling auxiliary tool
By designing auxiliary tooling for drilling and milling threads, the problems of low efficiency and difficulty in ensuring accuracy in traditional valve stem hole and thread processing have been solved, enabling efficient and precise processing of multiple valve stems and one person operating multiple machines.
Patent Information
- Application Number
- CN202520321164.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-02-26
AI Technical Summary
Traditional valve stem hole and thread machining relies on CNC lathes, resulting in low machining efficiency, difficulty in guaranteeing accuracy, high labor intensity, and difficulty in one person operating multiple machines.
Design a drilling and milling thread auxiliary tooling, including components such as a base plate, a housing, a partition, a V-block, and a V-head. Multiple pressure plates and clamping screws are used to quickly position and clamp multiple valve stems, simplifying the clamping process.
It improved processing efficiency, ensured the processing accuracy of valve stems, reduced the labor intensity of workers, enabled one person to operate multiple machines, and simplified the clamping process.
Smart Images

Figure CN223776608U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical processing technical field especially relates to a drilling and milling thread auxiliary tool. BACKGROUND
[0002] The holes and threads on the valve stem play multiple key roles in the operation of the valve stem. They are not only used for connection and positioning guide, ensuring the stable movement of the valve stem, but also help to avoid interference between components, making the installation, disassembly and maintenance and replacement process more convenient.
[0003] Specifically, the threads or holes at one end of the valve stem are usually designed to connect with the valve core or valve disc, so that the movement of the valve stem can be directly transmitted to the valve core or valve disc, realizing precise control of the opening degree of the fluid passage. During the opening and closing process of the valve stem, the threads and holes on the valve stem ensure that the valve stem moves in the predetermined direction, effectively preventing deviation or shaking, thereby ensuring the opening and closing accuracy of the valve stem and the accuracy of flow control. This is crucial for the stability and quality of the product.
[0004] In addition, through careful design of the position and size of the threads and holes, interference between the valve stem and other internal components can be avoided, maintaining the compactness of the internal structure of the valve stem and normal mechanical movement. This helps to prolong the service life of the valve stem and improve production efficiency.
[0005] During the assembly process, the threads and holes on the valve stem play a role in adjusting the position and movement, which is crucial for ensuring that the product performance meets the standard. At the same time, this unique design also simplifies the disassembly process of the valve stem, allowing maintenance personnel to quickly replace the valve stem or its connected components, thereby reducing maintenance costs and shortening maintenance time.
[0006] Looking back at the traditional production process, the machining of the holes and threads of the valve stem usually relies on a numerical control lathe and can only process one piece at a time, which requires high precision of the equipment. In addition, this processing method also has the problems of long processing cycle, low efficiency of machine tool use, high energy consumption, etc. Frequent clamping not only consumes time and effort, but also is difficult to ensure processing accuracy, seriously affecting production efficiency, increasing labor intensity of employees, limiting the multi-machine operation ability of personnel, and causing great waste of human resources.
[0007] In view of the above problems, it is particularly urgent to develop an auxiliary tool that can improve processing efficiency and ensure high precision. INVENTION CONTENTS
[0008] In view of the problem that the machining of the holes and threads of the valve stem usually relies on a numerical control lathe and can only process one piece at a time in the traditional production process, a drilling and milling thread auxiliary tool is proposed.
[0009] The utility model discloses a technical scheme for a drilling and thread milling auxiliary tool, which comprises a base plate, a box body, a partition plate, a V-shaped block, a V-shaped pressure head and a pressing plate.
[0010] Preferably, the pressing plates are arranged symmetrically along the long edge direction of the partition plate, and the V-shaped pressure head is arranged symmetrically along the center line of the long edge of the pressing plate.
[0011] Preferably, the base plate is arranged on the workbench by means of a first screw, a fifth screw and a sixth screw; and a machine tool positioning pin and a machine tool round pin are arranged between the base plate and the workbench.
[0012] Preferably, the box body is arranged on the base plate by means of a second screw; and a cylindrical pin I is arranged between the box body and the base plate.
[0013] Preferably, the partition plate is arranged on the box body by means of a third screw; and a cylindrical pin III is arranged between the partition plate and the box body.
[0014] Preferably, the V-shaped pressure head is connected to the pressing plate by means of a flange pin, and a retaining ring is arranged at the position where the flange pin is connected to the outer side edge of the pressing plate.
[0015] Preferably, the V-shaped blocks are fixedly arranged on the partition plate by means of seventh screws; and a cylindrical pin II is arranged between the V-shaped blocks and the partition plate.
[0016] Preferably, a plurality of limiting blocks are arranged between the V-shaped blocks, a plurality of cushion blocks are arranged on the top surface of the partition plate, and the cushion blocks are arranged on both sides of the limiting blocks; and the limiting blocks are connected to the cushion blocks by means of fourth screws.
[0017] Preferably, the pressing screw is partially sleeved with a nut.
[0018] Preferably, the pressing screw is partially sleeved with a spring between the partition plate and the pressing plate, the spring plays a role of preventing loosening and buffering protection for the nut, and a gasket is arranged on the top of the spring.
[0019] The utility model has the advantages that the utility model saves the time for fixture circulation and clamping, can quickly and accurately position the workpiece when drilling and thread milling multiple valve rods simultaneously by the tool, ensures the machining precision of the valve rod, and is easy for workers to operate, so that one person can operate multiple machines, is simple and practical, improves the machining efficiency and reduces the labor intensity of employees. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a perspective view of the drilling and thread milling auxiliary tool of the utility model;
[0021] Figure 2 It is the front view of the drilling and thread milling auxiliary tool of the utility model;
[0022] Figure 3 It is the top view of the drilling and thread milling auxiliary tool of the utility model;
[0023] Figure 4 It is Figure 3 The middle A-A section view.
[0024] In the figure, the corresponding component names of each reference sign are as follows:
[0025] 1, bottom plate; 2, machine tool positioning pin; 3, first screw; 4, second screw; 5, box; 6, third screw; 7, partition plate; 8, fourth screw; 9, limiting block; 10, V-shaped block; 11, V-shaped pressure head; 12, flange pin; 13, pressing plate; 14, pressing screw; 15, nut; 16, stop ring; 17, cushion block; 18, fifth screw; 19, machine tool round pin; 20, sixth screw; 21, cylindrical pin I; 22, washer; 23, spring; 24, seventh screw; 25, cylindrical pin II; 26, cylindrical pin III. DETAILED DESCRIPTION
[0026] The utility model will be described in detail below in combination with the drawings and specific embodiments. The embodiment is implemented on the premise of the technical scheme of the utility model, and gives a detailed implementation mode and specific operation process, but the protection scope of the utility model is not limited to the following examples.
[0027] Reference Figure 2 , 3 , 4, the application embodiment discloses a drilling and thread milling auxiliary tool, including bottom plate 1, box 5, partition plate 7, V-shaped block 10, V-shaped pressure head 11, pressing plate 13;Bottom plate 1 is arranged on the workbench, the top surface of bottom plate 1 is provided with box 5, the top surface of box 5 is provided with partition plate 7, the top surface of partition plate 7 is connected with multiple pressing plates 13 through pressing screw 14, in this embodiment, there are 8 pressing plates 13, and the pressing plates 13 are arranged in pairs of symmetry along the long edge direction of partition plate 7, the bottom surface of pressing plate 13 is provided with V-shaped pressure head 11, V-shaped pressure head 11 is copper pressure head, copper V-shaped pressure head 11 is relatively soft in texture, and relatively uniform force is applied to the surface of the object to be pressed, and the workpiece surface is not easy to damage, and in the processing process, it is helpful to heat dissipation, improves the processing precision, V-shaped pressure head 11 is arranged in symmetry along the center line of the long edge of pressing plate 13, the top surface of partition plate 7 is provided with multiple V-shaped blocks 10, and the positions of V-shaped block 10 and V-shaped pressure head 11 correspond in the vertical direction;
[0028] The bottom plate 1 is fixedly arranged on the workbench through the first screw 3, the fifth screw 18 and the sixth screw 20;The machine tool positioning pin 2 and the machine tool round pin 19 are arranged between the bottom plate 1 and the workbench, so that the bottom plate 1 is positioned on the workbench.
[0029] The box 5 is fixedly arranged on the base plate 1 through the second screw 4; a cylindrical pin I 21 is arranged between the box 5 and the base plate 1, so that the box 5 is positioned on the base plate 1;
[0030] The partition plate 7 is fixedly arranged on the box 5 through the third screw 6; a cylindrical pin III 26 is arranged between the partition plate 7 and the box 5, so that the partition plate 7 is positioned on the box 5;
[0031] The V-shaped pressing head 11 is fixedly connected with the pressing plate 13 through the flange pin 12; a check ring 16 is arranged at the position where the flange pin 12 is connected to the outer side of the pressing plate 13;
[0032] The V-shaped block 10 is fixedly arranged on the partition plate 7 through the seventh screw 24; a cylindrical pin II 25 is arranged between the V-shaped block 10 and the partition plate 7, so that the V-shaped block 10 is positioned on the partition plate 7;
[0033] Limiting blocks 9 are arranged between two adjacent V-shaped blocks 10 along the long edge direction of the partition plate 7; the limiting blocks 9 limit the workpiece; a plurality of cushion blocks 17 are arranged on the top surface of the partition plate 7 and located on both sides of the limiting blocks 9; the limiting blocks 9 are fixedly connected with the cushion blocks 17 through the fourth screw 8;
[0034] The pressing screw 14 is partially sleeved with the nut 15 at the position where the pressing screw 14 penetrates through the pressing plate 13; the nut 15 is used for clamping and fixing the outer circle of the valve rod;
[0035] The spring 23 is sleeved on the outer surface of the pressing screw 14 at the position between the partition plate 7 and the pressing plate 13; the top of the spring 23 is provided with a washer 22; the spring 23 plays a role of anti-loosening and buffer protection for the nut 15 when clamping;
[0036] The working mode is as follows: a plurality of valve rods are sequentially arranged on the V-shaped block 10 and abut against the limiting blocks 9; the V-shaped pressing head 11 and the V-shaped block 10 are made close to each other to press the valve rod by rotating the nut 15; the position of the limiting blocks 9 is fixed, so that the machining center starts to machine the valve rod hole and the thread.
[0037] The beneficial effects are as follows: the clamp circulation and clamping time are saved; when drilling and milling threads of a plurality of valve rods at the same time, the workpiece can be quickly and accurately positioned, and the machining precision of the valve rod is ensured; moreover, the worker can easily operate one person to operate multiple machines, the operation is simple and practical, the machining efficiency is improved, and the labor intensity of the employee is reduced.
[0038] It should be noted that the above-mentioned terms "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. The meaning of "a plurality of" is two or more. "Mounting", "connection" and "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected.
[0039] The above is only a preferred embodiment of the present application, and is not any form or substantial limitation on the present application. It should be noted that for ordinary skilled persons in the art, without departing from the present application, a number of improvements and supplements can also be made. These improvements and supplements should be considered within the scope of protection of the present application. Any equivalent changes, modifications and evolutions made by those skilled in the art without departing from the spirit and scope of the present application, all equivalent embodiments of the present application; at the same time, any equivalent changes, modifications and evolutions made according to the essential technology of the present application to the above-mentioned embodiments, all still belong to the scope of the technical scheme of the present application.
Claims
1. A drill milling thread assisting tool characterized by, It includes bottom plate (1), box (5), partition (7), V-shaped block (10), V-shaped pressure head (11), pressing plate (13); bottom plate (1) is arranged on the workbench, the top surface of bottom plate (1) is provided with box (5), the top surface of box (5) is provided with partition (7), and the top surface of partition (7) is connected with multiple pressing plates (13) through pressing screw (14), the bottom surface of pressing plate (13) is provided with V-shaped pressure head (11), and the top surface of partition (7) is provided with multiple V-shaped blocks (10), and the positions of V-shaped block (10) and V-shaped pressure head (11) correspond in the vertical direction.
2. The drilling and tapping aid of claim 1, wherein, The pressing plate (13) is arranged symmetrically along the long edge direction of the partition (7), and the V-shaped pressure head (11) is arranged symmetrically along the center line of the long edge of the pressing plate (13).
3. The drill and mill thread assist tool of claim 1, wherein, The bottom plate (1) is arranged on the workbench by the first screw (3), the fifth screw (18) and the sixth screw (20); the machine tool positioning pin (2) and the machine tool round pin (19) are arranged between the bottom plate (1) and the workbench.
4. The drill and mill thread assist tool of claim 1 wherein, The box (5) is arranged on the bottom plate (1) by the second screw (4); the cylindrical pin I (21) is arranged between the box (5) and the bottom plate (1).
5. The drill and mill thread assist tool of claim 1 wherein, The partition (7) is arranged on the box (5) by the third screw (6); the cylindrical pin III (26) is arranged between the partition (7) and the box (5).
6. The drill and mill thread assist tool of claim 1 wherein, The V-shaped pressure head (11) is connected with the pressing plate (13) by the flange pin (12), and the retaining ring (16) is arranged at the position where the flange pin (12) is connected outside the side of the pressing plate (13).
7. The drill and mill thread assist tool of claim 1 wherein, The V-shaped block (10) is fixedly arranged on the partition (7) by the seventh screw (24); the cylindrical pin II (25) is arranged between the V-shaped block (10) and the partition (7).
8. The drill and mill thread assist tool of claim 1 wherein, Multiple limiting blocks (9) are arranged between the V-shaped blocks (10), the top surface of the partition (7) is provided with multiple cushion blocks (17), and the cushion blocks (17) are located on both sides of the limiting blocks (9); the limiting blocks (9) are connected with the cushion blocks (17) by the fourth screw (8).
9. The drill and mill thread assist tool of claim 1 wherein, The pressing screw (14) is partially sleeved with the nut (15) which passes through the pressing plate (13).
10. The drill and mill thread assist tool of claim 1 wherein, The pressing screw (14) is partially sleeved with the spring (23) which plays a loosening and buffering protection role on the nut (15) between the partition (7) and the pressing plate (13), and the top of the spring (23) is provided with the washer (22).