Damping valve drilling tool

Abstract

The utility model relates to a damping valve drilling tool which comprises a drill bushing, a supporting block and a fastening screw. One end face of the supporting block is provided with a screw hole, a drill bushing positioning hole and a drill bushing limiting groove, the other end face is provided with a positioning column matched with a drilling machine, and the middle is provided with a supporting face for supporting the damping valve. One end of the drill bushing is arranged in the drill bushing positioning hole, the other end of the drill bushing is arranged outside the drill bushing positioning hole, the end, arranged outside the drill bushing positioning hole, of the drill bushing is provided with a screw fixing face and a limiting face matched with the supporting block, and the limiting face matched with the supporting block is connected with the drill bushing limiting groove in a clamped mode. One end, arranged outside the drill bushing positioning hole, of the drill bushing penetrates into the supporting surface or the space above the groove bottom of the supporting surface; the fastening screw is arranged in the screw hole, and the nut presses the fixed surface of the drill bushing; a workpiece fixing hole is formed in the supporting face, and the end of the damping valve to be machined is inserted into the workpiece fixing hole. The technical problems that damping valve drilling positioning is not accurate, and a drill bit is prone to being bent and broken are solved.

Description

Technical Field

[0001] The invention belongs to the technical field of shock absorbers, and in particular relates to a damping valve drilling tool. Background Art

[0002] In modern shock absorber systems, the damping valve is a key component that reduces or eliminates vibrations by controlling the damping force generated when the oil flows through the damping hole. The damping valve has the characteristics of adjustability, stability and durability, and is an indispensable part of the shock absorber system. In order to adjust the damping force of the damping valve, it is necessary to open holes at the end of the damping valve to adjust the damping force. These holes are generally small, usually between 0.4-2 mm in diameter.

[0003] However, the following problems may arise during the drilling process: ① The end of the damping valve is cylindrical, and the influence of the curved surface shape on the processing process needs to be considered when drilling, and the positioning of the drilling is very important; ② The diameter of the fine drill bit is small, resulting in relatively poor rigidity, which is easy to bend or break when subjected to external force. The broken drill bit is difficult to remove from the hole and can only be scrapped, causing economic losses; ③ When drilling, it is necessary to ensure that the damping valve will not move or deform during the drilling process, and at the same time, it is necessary to ensure that the drill bit will not vibrate due to high-speed motion, causing the actual hole diameter to be larger than the required hole diameter. Utility Model Content

[0004] Aiming at the deficiencies existing in the related technology, the technical problems of inaccurate positioning of the damping valve drilling hole and easy bending and breaking of the drill bit in the prior art are solved. The utility model provides a damping valve drilling tool.

[0005] In a possible embodiment, a damping valve drilling tool comprises: a drill sleeve, a support block, and a fastening screw, wherein a screw hole, a drill sleeve positioning hole, and a drill sleeve limiting groove are arranged on one end surface of the support block; a positioning column cooperating with a drilling machine is arranged on the other end surface of the support block; a support surface supporting the damping valve is arranged in the area between the two end surfaces of the support block, and the support surface is a groove opened on the support block; one end of the drill sleeve is placed in the drill sleeve positioning hole, and the other end is placed outside the drill sleeve positioning hole, and the end placed outside the drill sleeve positioning hole includes a screw fixing surface and a limiting surface cooperating with the support block; when the drill sleeve is installed in the drill sleeve When in the positioning hole, it is engaged with the limiting surface of the supporting block and the drill sleeve limiting groove on the supporting block and does not rotate relative to each other; a drill positioning hole is arranged on the drill sleeve, and the drill positioning hole passes through the end of the drill sleeve placed outside the drill sleeve positioning hole to the supporting surface or the space above the bottom of the groove of the supporting surface; the fastening screw is placed in the screw hole of the supporting block, and when the fastening screw is installed in the screw hole, a part of the nut of the fastening screw presses a part of the screw fixing surface of the drill sleeve; a workpiece fixing hole is arranged on the supporting surface, and when the damping valve to be processed is placed on the supporting surface, the end of the damping valve is inserted into the workpiece fixing hole.

[0006] In a possible implementation, one end of the drill sleeve placed in the drill sleeve positioning hole also includes a surface that matches the workpiece, and when the damping valve to be processed is placed on the supporting surface, a partial structure of the damping valve is placed on the surface that matches the workpiece.

[0007] In a possible implementation, one end of the positioning column connected to the drilling machine is chamfered.

[0008] In a possible implementation manner, the support block and the positioning column are coaxially arranged cylinders, and the support surface is a groove opened in the middle area of ​​the cylinder of the support block.

[0009] In a possible implementation, the diameter of the drill bit positioning hole matches the diameter of a drill bit used for machining the damping valve.

[0010] In a possible implementation, the limiting surface that cooperates with the support block and the limiting groove of the drill sleeve are meshing surfaces, and the limiting surface that cooperates with the support block and the limiting groove of the drill sleeve are simultaneously one or more of the following structures: a plane, a curved surface, and a serrated surface.

[0011] In a possible implementation manner, the workpiece matching surface and the support surface are on the same plane.

[0012] Based on the above technical scheme, in the damping valve drilling tool of the utility model, the drill sleeve ensures that the drill sleeve can be stable and does not rotate relative to the support block when installed on the support block through the drill sleeve positioning hole, the limiting surface cooperating with the support block and the setting of the drill sleeve limiting groove, thereby ensuring the precise positioning of the drill bit during the process of drilling the damping valve on the support surface through the drill sleeve. The drill sleeve guides and protects the drill bit, thereby improving the accuracy of the damping valve drilling process, reducing the consumption of the drill bit, solving the problems of drilling offset and instability in the traditional method, improving the processing quality and efficiency, and reducing the processing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0014] Figure 1 It is a structural schematic diagram of a damping valve drilling tool according to an embodiment of the present invention;

[0015] Figure 2 is a schematic diagram of the structure of the protective cover;

[0016] Figure 3 Schematic diagram of the damping valve drilling tool holding the workpiece;

[0017] Figure 4 The figure is a schematic structural diagram of a damping valve drilling tool according to an embodiment of the present invention.

[0018] In the figure:

[0019] 1. Drill sleeve; 2. Support block; 3. Fastening screw; 101. Drill bit positioning hole; 102. Screw fixing surface; 103. Limiting surface for matching with support block; 104. Matching surface with workpiece; 201. Screw hole; 202. Drill sleeve positioning hole; 203. Drill sleeve limiting groove; 204. Positioning column; 205. Workpiece fixing hole; 206. Support surface. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0021] In the description of the present invention, it should be understood that the terms "center", "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0022] The terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Thus, a feature defined as "first", "second", and "third" may explicitly or implicitly include one or more of the features.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] In order to solve the technical problems of inaccurate positioning of damping valve drilling and easy bending and breaking of the drill bit in the prior art, the present application proposes a damping valve drilling tool.

[0025] See also Figure 1 , Figure 2 and Figure 4In a possible implementation manner, the damping valve drilling tool comprises: a drill sleeve 1, a support block 2, and a fastening screw 3, wherein a screw hole 201, a drill sleeve positioning hole 202, and a drill sleeve limiting groove 203 are arranged on one end surface of the support block 2; a positioning column 204 cooperating with a drilling machine is arranged on the other end surface of the support block 2; a support surface 206 for supporting the damping valve is arranged in the area between the two end surfaces of the support block 2, and the support surface is a groove opened on the support block 2; one end of the drill sleeve 1 is placed in the drill sleeve positioning hole 202, and the other end is placed outside the drill sleeve positioning hole 202, and the end placed outside the drill sleeve positioning hole 202 includes a screw fixing surface 102 and a limiting surface 103 cooperating with the support block; when the drill sleeve 1 is installed in the drill sleeve positioning hole 202 When the drill sleeve 1 is engaged with the limiting surface 103 of the supporting block and the drill sleeve limiting groove 203 on the supporting block 2, no relative rotation occurs; a drill bit positioning hole 101 is provided on the drill sleeve 1, and the drill bit positioning hole 101 passes through the end of the drill sleeve 1 that is located outside the drill sleeve positioning hole 202 to the support surface 206 or the space above the bottom of the groove of the support surface 206; the fastening screw 3 is placed in the screw hole 201 of the supporting block 2, and when the fastening screw 3 is installed in the screw hole 201, a part of the nut of the fastening screw 3 presses a part of the screw fixing surface 102 of the drill sleeve 1; a workpiece fixing hole 205 is provided on the supporting surface 206, and when the damping valve to be processed is placed on the supporting surface 206, the end of the damping valve is inserted into the workpiece fixing hole 205.

[0026] In the above scheme, a screw hole 201, a drill sleeve positioning hole 202 and a drill sleeve limiting groove 203 are provided on one end surface of the support block 2; one end of the drill sleeve 1 is placed in the drill sleeve positioning hole 202, and the other end is placed outside the drill sleeve positioning hole 202, and the end placed outside the drill sleeve positioning hole 202 is provided with a limiting surface 103 cooperating with the support block and the drill sleeve limiting groove 203 of the support block 2 to clamp the drill sleeve 1 on the support block, thereby ensuring that the drill sleeve 1 can be accurately positioned and fixed on the support block 2 to prevent position displacement during the drilling process; to ensure the positioning effect, the tightening screw presses the screw fixing surface of the drill sleeve 1 so that the drill bit can be accurately positioned during the process of drilling the damping valve on the support surface 206 by passing through the drill sleeve 1. Through the guidance and protection of the drill bit by the drill sleeve 1, the accuracy of the damping valve drilling process is improved, the consumption of the drill bit is reduced, the problems of drilling displacement and instability in the traditional method are solved, the processing quality and efficiency are improved, and the processing cost is reduced.

[0027] The other end face of the support block 2 is provided with a positioning column 204 cooperating with the drilling machine to ensure that the tooling can be stably installed on the drilling machine; in addition, a supporting surface 206 is provided in the middle area of ​​the support block 2 for supporting the damping valve to be processed.

[0028] The drill sleeve 1 is provided with a drill bit positioning hole 101, which penetrates from one end of the drill sleeve 1 outside the drill sleeve positioning hole 202 to the inside of the support surface 206 or the space above the groove bottom of the support surface 206. This design ensures that the drill bit can accurately align with the damping valve to be processed for drilling. The screw fixing surface 102 of the drill sleeve 1 and the limiting surface 103 that cooperates with the support block are fixed to the support block 2 by fastening screws 3, ensuring that the drill sleeve 1 will not rotate relative to each other during the processing process.

[0029] Through the precise positioning of the drill sleeve 1 and the stable support of the support block 2, the tooling can significantly improve the machining accuracy of the damping valve drilling and reduce errors.

[0030] The design of the positioning column 204 and the fastening screw 3 on the support block 2 allows the tooling to be quickly installed and disassembled, thereby improving the processing efficiency.

[0031] The arrangement of the drill sleeve limiting groove 203 and the limiting surface 103 of the drill sleeve 1 cooperating with the support block ensures that the drill sleeve 1 will not rotate during the processing, thereby improving the safety of the drilling operation.

[0032] In a possible implementation, one end of the drill sleeve 1 placed in the drill sleeve positioning hole 202 also includes a surface 104 that matches the workpiece. When the damping valve to be processed is placed on the support surface 206 , part of the damping valve structure is placed on the surface 104 that matches the workpiece.

[0033] In the above solution, the drill sleeve 1 has a workpiece mating surface 104 added to one end placed in the drill sleeve positioning hole 202. When the damping valve to be processed is placed on the support surface 206, a part of the structure of the damping valve contacts the workpiece mating surface 104, which reduces the position deviation and further improves the positioning accuracy and processing stability of the damping valve.

[0034] In a possible implementation, one end of the positioning column 204 connected to the drilling machine is chamfered.

[0035] In this embodiment, a chamfer is provided at one end of the positioning column 204 that is connected to the drilling machine. The chamfer design makes the positioning column 204 smoother when installed on the drilling machine, reduces friction and wear during the installation process, and improves installation efficiency.

[0036] In a possible implementation manner, the support block 2 and the positioning column 204 are coaxially arranged cylinders, and the support surface 206 is a groove opened in the middle area of ​​the cylinder of the support block 2 .

[0037] In this embodiment, the support block 2 and the positioning column 204 are designed to be coaxially arranged cylindrical shapes, and the groove opened in the middle area of ​​the support block 2 serves as a support surface 206 for supporting the damping valve to be processed.

[0038] In a possible implementation manner, the diameter of the drill bit positioning hole 101 matches the diameter of a drill bit used for machining the damping valve.

[0039] In this embodiment, the diameter of the drill bit positioning hole 101 is designed to match the diameter of the drill bit used to process the damping valve, ensuring that the drill bit can pass through the drill bit positioning hole 101 within the set allowance / clearance range, thereby ensuring the stability and accuracy of the drill bit during the processing. The drill bit is positioned and guided through the drill bit positioning hole 101, ensuring that the drill bit always remains in the correct position, thereby ensuring the accuracy and consistency of the damping valve drilling.

[0040] By using the drill positioning hole 101 that matches the drill bit, the shaking and deviation of the drill bit during the processing can be reduced, the processing error can be reduced, the deviation of the drilling process caused by the shaking of the drill bit can be corrected, the processing accuracy can be improved, and the drill bit can be protected to reduce the shaking and vibration of the drill bit, avoid the drill bit from breaking and bending, reduce the consumption of the drill bit, and thus reduce the processing cost.

[0041] In a possible implementation, the limiting surface 103 and the drill sleeve limiting groove 203 that cooperate with the support block are meshing surfaces, and the limiting surface 103 and the drill sleeve limiting groove 203 that cooperate with the support block are simultaneously one or more of the following structures: a plane, a curved surface, and a serrated surface.

[0042] The structures of the limiting surface 103 and the drill sleeve limiting groove 203 that cooperate with the support block are designed to be meshing surfaces, and these meshing surfaces can be one or more of plane surfaces, curved surfaces or sawtooth surfaces.

[0043] The engagement design of the limiting surface 103 and the drill sleeve limiting groove 203 with the support block ensures that the drill sleeve 1 can be accurately positioned during installation and prevents it from rotating or shifting during processing. The design of the plane, curved surface and serrated surface provides a variety of options to adapt to different processing requirements and structural characteristics.

[0044] In a possible implementation manner, the workpiece matching surface 104 and the support surface 206 are on the same plane.

[0045] The drill bit is on the same plane as the workpiece mating surface 104 and the support surface 206, so that the damping valve to be processed can be fully supported and positioned when placed, ensuring that it will not tilt or move during the processing. The positional relationship determined by the drill bit positioning hole 101 and the workpiece mating surface 104, as well as the positional relationship between the workpiece mating surface and the support surface 206, further ensures the specific relationship between the drill bit and the support surface 206 and the damping valve thereon, thereby improving positioning accuracy and processing precision.

[0046] The damping valve drilling tool of one embodiment of the utility model is described in detail as follows;

[0047] The damping valve drilling tool of the utility model can quickly and accurately position the workpiece through the cooperation of the support block and the drill sleeve, reducing the time the operator spends on manually adjusting the position of the workpiece, ensuring the stability of the workpiece during the processing, ensuring the accuracy and consistency of the aperture, and thus significantly improving the accuracy of the drilling. This helps to reduce the scrap rate and improve the overall quality of the product. The tool includes a support block and a drill sleeve, such as Figure 1 As shown;

[0048] Support block 2: As the main structure of the tooling, this structure mainly provides stable support and positioning for the entire tooling, and also undertakes the task of positioning and fixing other workpieces and tooling. Figure 2 and Figure 3 ;

[0049] Screw hole 201: used in conjunction with the fastening screw 3 to ensure that the fastening screw can be accurately installed and firmly fix the drill sleeve 1, and ensure that the drill sleeve 1 will not fall out of the drill sleeve positioning hole 202 during operation.

[0050] Drill sleeve positioning hole 202: By using the drill sleeve positioning hole 202, the drill sleeve 1 can be installed in the correct position, which reduces the time for adjustment and alignment and improves the overall efficiency.

[0051] The drill sleeve limiting groove 203 cooperates with the limiting surface 103 of the drill sleeve structure and the supporting block to ensure that the drill sleeve will not rotate during use, thereby playing a positioning role.

[0052] The positioning column 204 used in conjunction with the drilling machine has a chamfered root, which allows it to be easily installed on the workbench, enabling quick disassembly and replacement, thereby improving production efficiency.

[0053] Workpiece fixing hole 205: When drilling, insert the end of the damping valve into the workpiece fixing hole 205 and press it, so that the damping valve can stay stably at the processing position, ensuring that the workpiece will not move during the processing, so that the drilling position is at the same point each time, improving work efficiency and processing accuracy.

[0054] The drill sleeve made of tool steel can improve positioning accuracy, control hole diameter and depth, improve processing efficiency and protect the drill bit. By designing and manufacturing standardized drill sleeves, the drill sleeve can be quickly changed and production efficiency can be improved.

[0055] Drill bit positioning hole 101: The drill bit positioning hole 101 is matched according to the coarseness of the drill bit. It can play a positioning role when drilling, effectively avoid drill bit deflection, ensure the straightness and position accuracy of the drill hole, and prevent vibration during the processing.

[0056] The screw fixing surface 102 and the limiting surface 103 cooperating with the support block cooperate with the screw hole 201 , the drill sleeve positioning hole 202 and the drill sleeve limiting groove 203 in the support block structure to firmly fix the drill sleeve.

[0057] The workpiece matching surface 104 matches with the end surface of the damping valve during operation to control the distance from the center point of the drilling hole to the end surface of the damping valve.

[0058] The utility model provides a damping valve drilling tool: 1. The drill bit is guided forward through the drill bit positioning hole on the drill sleeve, and the worker only needs to insert the damping valve into the workpiece fixing hole to carry out the processing operation without spending extra energy and time to position and fix the workpiece.

[0059] 2. The drill sleeve is made of tool steel, and the drill positioning hole fits tightly with the drill bit. It can protect the drill bit without affecting the drilling efficiency, preventing the drill bit from being damaged or deformed and broken during processing.

[0060] 3. Drill sleeve: The sleeve can play a positioning role when drilling, improve the rigidity of the drill bit during the processing, effectively prevent vibration during processing, and effectively avoid drill bit deflection, thereby improving the accuracy of drilling.

[0061] 4. The hole diameter of the drill sleeve is consistent with the hole diameter of the drill bit, which reduces the probability of using the wrong drill bit and saves labor costs.

[0062] The damping valve drilling tool of the utility model has the following beneficial effects:

[0063] 1. Fast and accurate positioning: The support block and the drill sleeve are used to quickly and accurately position the damping valve end. This positioning method effectively solves the positioning problem caused by the cylindrical damping valve end and improves the drilling accuracy.

[0064] 2. Enhance drill bit rigidity: To address the problem of thin drill bits having poor rigidity and being easily broken, the present invention optimizes the drill sleeve design to provide stable support for the drill bit, thereby reducing the possibility of the drill bit bending or breaking when subjected to external force.

[0065] 3. Ensure the stability of the workpiece: During the drilling process, the present invention ensures the stability of the damping valve through tooling design to prevent it from moving or deforming. At the same time, the tooling design also considers reducing the impact of drill bit vibration to ensure that the drilled hole diameter meets the design requirements.

[0066] 4. Improve processing efficiency: Through rapid and accurate positioning and stable processing, the present invention significantly reduces the operator's time for manually adjusting the workpiece position and improves processing efficiency.

[0067] The above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention is described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the specific implementation methods of the present invention can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the present invention, which should be included in the scope of the technical solution for protection of the present invention.

Claims

1. A damping valve drilling tool, characterized in that: include: A drill sleeve (1), a support block (2), and a fastening screw (3), wherein: A screw hole (201), a drill sleeve positioning hole (202) and a drill sleeve limiting groove (203) are arranged on one end surface of the support block (2); A positioning column (204) cooperating with the drilling machine is arranged on the other end surface of the support block (2); A support surface (206) for supporting the damping valve is arranged in the area between the two end surfaces of the support block (2), and the support surface is a groove opened on the support block (2); One end of the drill sleeve (1) is placed in the drill sleeve positioning hole (202), and the other end is placed outside the drill sleeve positioning hole (202), and the end placed outside the drill sleeve positioning hole (202) includes a screw fixing surface (102) and a limiting surface (103) that cooperates with the support block; when the drill sleeve (1) is installed in the drill sleeve positioning hole (202), the limiting surface (103) that cooperates with the support block and the drill sleeve limiting groove (203) on the support block (2) are engaged and do not rotate relative to each other; a drill bit positioning hole (101) is provided on the drill sleeve (1), and the drill bit positioning hole (101) penetrates from the end of the drill sleeve (1) placed outside the drill sleeve positioning hole (202) to the support surface (206) or the space above the groove bottom of the support surface (206); The fastening screw (3) is placed in the screw hole (201) of the support block (2). When the fastening screw (3) is installed in the screw hole (201), a part of the nut of the fastening screw (3) presses a part of the screw fixing surface (102) of the drill sleeve (1); A workpiece fixing hole (205) is provided on the support surface (206), and when the damping valve to be processed is placed on the support surface (206), the end of the damping valve is inserted into the workpiece fixing hole (205).

2. The damping valve drilling tool according to claim 1, characterized in that: One end of the drill sleeve (1) placed in the drill sleeve positioning hole (202) also includes a surface (104) that matches the workpiece. When the damping valve to be processed is placed on the support surface (206), a partial structure of the damping valve is placed on the surface (104) that matches the workpiece.

3. The damping valve drilling tool according to claim 2, characterized in that: One end of the positioning column (204) connected to the drilling machine is provided with a chamfer.

4. The damping valve drilling tool according to claim 3, characterized in that: The support block (2) and the positioning column (204) are coaxially arranged cylinders, and the support surface (206) is a groove opened in the middle area of ​​the cylinder of the support block (2).

5. The damping valve drilling tool according to claim 4, characterized in that: The diameter of the drill bit positioning hole (101) matches the diameter of the drill bit used for machining the damping valve.

6. The damping valve drilling tool according to claim 5, characterized in that: The limiting surface (103) and the drill sleeve limiting groove (203) that cooperate with the support block are meshing surfaces, and the limiting surface (103) and the drill sleeve limiting groove (203) that cooperate with the support block are one or more of the following structures: a plane, a curved surface, or a sawtooth surface.

7. The damping valve drilling tool according to claim 2, characterized in that: The workpiece matching surface (104) and the supporting surface (206) are on the same plane.

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