Tapping device with quick positioning function for high-speed rail accessory manufacturing
By combining hydraulic cylinder components, electric telescopic rods, and cooling nozzles, the problems of cumbersome fixing of flat plate parts and inconvenient drill bit maintenance in the manufacturing of high-speed rail components have been solved, achieving rapid positioning and efficient cooling, thereby improving processing efficiency and drill bit life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NANTONG XIANMING MACHINERY CO LTD
- Filing Date
- 2025-06-05
- Publication Date
- 2026-05-19
AI Technical Summary
In the manufacturing process of high-speed rail components, the existing technology for fixing flat plate parts is cumbersome, and the drill bits of the drilling machine rust or are damaged after long-term use, requiring disassembly and grinding, which leads to inconvenience in maintenance.
The drill bit is quickly positioned by a hydraulic cylinder-driven drill bit, an electric telescopic rod, and a limit plate. A telescopic water pipe and a cooling nozzle are used to cool the drill bit. A servo motor-driven threaded rod drives a grinder for online grinding.
It enables rapid positioning and simple operation, extends drill bit life, reduces maintenance difficulty, and improves production efficiency and processing quality.
Smart Images

Figure CN224254788U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of high-speed rail parts processing technology, specifically to a hole-opening device for manufacturing high-speed rail parts with a rapid positioning function. Background Technology
[0002] In recent years, the global high-speed rail industry has experienced rapid development. With its advantages of high speed, high efficiency, safety, and comfort, high-speed rail has become an important component of the modern transportation system. As the scale of high-speed rail construction continues to expand and technology continues to upgrade, extremely stringent requirements are being placed on the quality and production efficiency of high-speed rail components. In the manufacturing process of high-speed rail components, drilling is a common and critical processing step, and its quality and efficiency directly affect the performance of the entire high-speed rail component and ultimately the operational safety and stability of the high-speed rail system.
[0003] For example, Chinese utility model patent application number 202321217639.6 discloses a hole-opening device for manufacturing mechanical parts. This device uses a clamping structure to fix the parts, a hole-opening machine to open holes in the parts, and a rotating turntable to rotate a concave plate. The turntable can rotate at any angle around a pivot, allowing for the opening of oblique holes in the parts, making it highly versatile. A fixing structure can also be used to secure the turntable, preventing it from rotating and thus fixing the concave plate. However, this device still has certain shortcomings.
[0004] When machining flat plate parts, the workpiece is fixed by lead screws and threaded rods, which is a cumbersome operation. At the same time, after long-term use, the drill bits on the hole punching machine will rust or be damaged, and they need to be disassembled before they can be polished, making the maintenance of the hole punching machine inconvenient.
[0005] Therefore, we propose a hole-opening device for manufacturing high-speed rail components with rapid positioning function to solve the problems mentioned above. Utility Model Content
[0006] The purpose of this utility model is to provide a hole-opening device for manufacturing high-speed rail parts with a rapid positioning function, so as to solve the problems mentioned in the background art. Currently, when processing flat plate parts, the use of lead screws and threaded rods to fix the workpiece is relatively cumbersome. At the same time, after long-term use, the drill bit on the hole-opening machine will be corroded or damaged, and it needs to be disassembled before it can be polished, resulting in inconvenient maintenance of the hole-opening machine.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a hole-opening device for manufacturing high-speed rail parts with rapid positioning function, including a worktable, a support frame installed above the worktable, a hydraulic cylinder assembly installed above the support frame, a hole opener installed below the hydraulic cylinder assembly, a wastewater tank installed below the right side of the worktable, a coolant tank installed above the right side of the worktable, a circulating water pump installed to the right side of the coolant tank, and an outlet pipe and an inlet pipe installed on the upper and lower sides of the circulating water pump, respectively.
[0008] Limit plates are installed on both the left and right sides of the upper surface of the workbench, and a limit assembly is installed on the upper surface of the workbench via an electric telescopic rod. An opening platform is installed on the upper surface of the workbench.
[0009] A threaded rod is installed on the inside right side of the support frame, and a movable block is installed on the threaded rod. A connecting frame is installed on the movable block, and a grinder is installed on the right side of the connecting frame.
[0010] Preferably, connecting strips are installed on both the front and rear sides of the hydraulic cylinder assembly, and a first guide rod is installed on the side of the connecting strip. The first guide rod passes through the support frame and is guidedly connected to the support frame.
[0011] The above structural design enables the drill bit to be precisely aligned with the predetermined opening position of the high-speed rail component, improving the opening accuracy, ensuring the processing quality of the high-speed rail component, and avoiding the impact of opening deviation on the performance of the component and the safety of high-speed rail operation.
[0012] Preferably, the wastewater tank and the perforated platform are equipped with a filter screen inside, and a drain pipe is installed on the wastewater tank, which is connected to the inside of the perforated platform.
[0013] The above structural design can effectively filter debris generated by the opening, prevent debris from clogging the pipes, facilitate cleaning, keep the inside of the device clean, ensure the normal operation of the coolant circulation system, extend the service life of the device, and reduce maintenance costs.
[0014] Preferably, the water outlet pipe has a telescopic structure design, and a cooling nozzle is installed at the end of the water outlet pipe. The cooling nozzle is aligned with the drill bit on the hole opener. The drill bit has a cylindrical structure design, and the water inlet pipe is connected to the interior of the coolant tank.
[0015] The above structural design can accurately provide coolant to the drill bit, effectively reducing the temperature of the drill bit during the drilling process, reducing wear, extending the service life of the drill bit, reducing production costs, and improving drilling efficiency and quality, while ensuring the continuity of processing.
[0016] Preferably, the limiting component is slidably connected to the limiting plate, and the limiting plate has a rectangular frame structure design.
[0017] The above structural design enables rapid positioning and clamping of high-speed rail components, shortening positioning time, improving work efficiency, reducing the labor intensity of operators, and meeting the needs of high-efficiency production of high-speed rail components.
[0018] Preferably, the limiting plate is located directly above the hole-opening platform, the hole-opening platform has a hollow structure, and the upper surface of the hole-opening platform has a through hole, the center line of the through hole coincides with the center line of the drill bit on the hole opener.
[0019] The above structural design facilitates the discharge of some debris and coolant during drilling, ensuring a clean working area and preventing debris accumulation from affecting the drilling operation. At the same time, it allows for effective recycling of coolant, improving the smoothness and stability of the machining process.
[0020] Preferably, the threaded rod is connected to the output shaft end of the servo motor, the servo motor is fixed on the left side of the support frame, and a second guide rod is provided on both the upper and lower sides of the threaded rod. The second guide rod is connected to the support frame, the movable block is slidably connected to the second guide rod, and the drill bit on the grinder and the hole opener is designed with a concentric circle structure.
[0021] The above structural design allows the grinder to be ground and repaired without disassembling the drill bit, saving maintenance time, reducing equipment downtime, improving production efficiency, reducing maintenance difficulty, and ensuring that the drilling device can operate continuously and stably, meeting the requirements of high-speed rail parts production for efficient equipment maintenance.
[0022] Compared with the prior art, the beneficial effects of this utility model are: the opening device for manufacturing high-speed rail components with rapid positioning function:
[0023] 1. Quick positioning and easy operation: The electric telescopic rod and limit assembly, together with the limit plate, are used to position and clamp high-speed rail parts, replacing the traditional cumbersome screw and threaded rod fixing method, which greatly shortens the positioning time, improves work efficiency, and reduces the labor intensity of operators.
[0024] 2. Excellent cooling effect, extending drill bit life: The retractable water outlet pipe and the cooling nozzles aligned with the drill bit can accurately provide coolant to the drill bit, effectively reducing the temperature of the drill bit during the drilling process, reducing drill bit wear, extending the service life of the drill bit, and reducing production costs;
[0025] 3. Easy maintenance: The grinder can move horizontally by driving the threaded rod with a servo motor, and can be used for grinding without disassembling the drill bit. This is convenient and quick, reduces equipment downtime, and improves production efficiency. Attached Figure Description
[0026] Figure 1 This is a schematic diagram of the main structure of this utility model;
[0027] Figure 2 This is a partial structural diagram of the present invention;
[0028] Figure 3 This is a schematic diagram of the installation structure of the grinder of this utility model;
[0029] Figure 4 This is a schematic diagram of the wastewater tank structure of this utility model;
[0030] Figure 5 This is a schematic diagram showing the position and structure of the connecting strip and the first guide rod of this utility model;
[0031] Figure 6 This is a schematic diagram of the opening platform structure of this utility model.
[0032] In the diagram: 1. Workbench; 2. Support frame; 3. Hydraulic cylinder assembly; 4. Hole opener; 5. Connecting strip; 6. First guide rod; 7. Wastewater tank; 8. Coolant tank; 9. Circulating water pump; 10. Outlet pipe; 11. Inlet pipe; 12. Cooling nozzle; 13. Limiting plate; 14. Electric telescopic rod; 15. Limiting assembly; 16. Hole opening platform; 17. Through hole; 18. Drain pipe; 19. Threaded rod; 20. Servo motor; 21. Movable block; 22. Connecting frame; 23. Second guide rod; 24. Grinding tool. Detailed Implementation
[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0034] Please see Figures 1-6This utility model provides a technical solution: a hole-opening device for manufacturing high-speed rail parts with rapid positioning function, including a workbench 1, a support frame 2, a hydraulic cylinder assembly 3, a hole opener 4, a connecting strip 5, a first guide rod 6, a wastewater tank 7, a coolant tank 8, a circulating water pump 9, a water outlet pipe 10, a water inlet pipe 11, a cooling nozzle 12, a limiting plate 13, an electric telescopic rod 14, a limiting assembly 15, a hole-opening platform 16, a through hole 17, a drain pipe 18, a threaded rod 19, a servo motor 20, a movable block 21, a connecting frame 22, a second guide rod 23, and a grinder 24. The support frame 2 is installed above the workbench 1, and the support frame 2... A hydraulic cylinder assembly 3 is installed above the support frame 2, and a hole opener 4 is installed below the hydraulic cylinder assembly 3. Connecting strips 5 are installed on both the front and rear sides of the hydraulic cylinder assembly 3, and a first guide rod 6 is installed on the side of the connecting strip 5. The first guide rod 6 passes through the support frame 2 and is guided and connected to the support frame 2. When the hydraulic cylinder assembly 3 is activated, the piston rod of the hydraulic cylinder assembly 3 drives the hole opener 4 to move downward. The first guide rod 6 on the connecting strips 5 on the front and rear sides of the hydraulic cylinder assembly 3 passes through the support frame 2 and is guided and connected to it, ensuring that the hole opener 4 descends vertically and smoothly, so that the drill bit on the hole opener 4 can be accurately aligned with the predetermined hole for the high-speed rail component on the hole opening platform 16. The drilling operation is carried out at the designated location. A wastewater tank 7 is installed on the lower right side of the workbench 16. Both the wastewater tank 7 and the drilling platform 16 are equipped with filters. A drain pipe 18 is installed on the wastewater tank 7, connecting to the interior of the drilling platform 16. Debris and coolant generated during drilling fall into the drilling platform 16 through the through-hole 17, and then flow into the wastewater tank 7 through the drain pipe 18. The filters inside the wastewater tank 7 and the drilling platform 16 filter debris, preventing blockage and facilitating subsequent cleaning. A coolant tank 8 is installed on the upper right side of the workbench 1, and a circulating water pump 9 is installed on the right side of the coolant tank 8. The circulating water pump 9 has separate upper and lower sides. The device is equipped with an outlet pipe 10 and an inlet pipe 11. The outlet pipe 10 has a telescopic design, and a cooling nozzle 12 is installed at the end of the outlet pipe 10. The cooling nozzle 12 is aligned with the drill bit on the hole opener 4. The drill bit has a cylindrical design. The inlet pipe 11 is connected to the inside of the coolant tank 8. After the high-speed rail parts are positioned, the circulating water pump 9 is started. The circulating water pump 9 draws coolant from the coolant tank 8 through the inlet pipe 11. The coolant is sprayed onto the drill bit on the hole opener 4 through the telescopic outlet pipe 10 and the cooling nozzle 12 at the end, which cools and lubricates the drill bit, reduces wear on the drill bit during the hole opening process, and extends the service life of the drill bit.
[0035] Limiting plates 13 are installed on both the left and right sides of the upper surface of the workbench 1, and a limiting assembly 15 is installed on the upper surface of the workbench 1 via an electric telescopic rod 14. The limiting assembly 15 is slidably connected to the limiting plate 13, and the limiting plate 13 has a rectangular frame structure design. When the high-speed rail parts are pulled out and placed on the opening platform 16, the electric telescopic rod 14 is activated. The electric telescopic rod 14 pushes the limiting assembly 15 to slide on the limiting plate 13. Since the limiting plate 13 has a rectangular frame structure and is located directly above the opening platform 16, the limiting assembly 15 can quickly move the high-speed rail parts onto the opening platform 16. The accessories are positioned and clamped, which is more convenient and faster than the traditional screw and lead screw fixing method. The upper surface of the workbench 1 is equipped with a hole-opening platform 16, and the limiting plate 13 is located directly above the hole-opening platform 16. The hole-opening platform 16 has a hollow structure design inside, and a through hole 17 is opened on the upper surface of the hole-opening platform 16. The center line of the through hole 17 coincides with the center line of the drill bit on the hole opener 4. When the hole opener 4 is working, it can open holes in the high-speed rail accessories, and debris and coolant can be discharged into the interior of the hole-opening platform 16 through the through hole 17.
[0036] A threaded rod 19 is installed on the right side inside the support frame 2, and a movable block 21 is installed on the threaded rod 19. A connecting frame 22 is installed on the movable block 21, and a grinder 24 is installed on the right side of the connecting frame 22. The threaded rod 19 is connected to the output shaft end of the servo motor 20, which is fixed to the left side of the support frame 2. Second guide rods 23 are provided on both the upper and lower sides of the threaded rod 19, and the second guide rods 23 are connected to the support frame 2. The movable block 21 is slidably connected to the second guide rods 23. The grinder 24 is connected to the hole opener 4. The drill bit has a concentric circle structure design. When the drill bit of the hole opener 4 is rusted or damaged after long-term use and needs to be polished, the servo motor 20 is started. The servo motor 20 drives the threaded rod 19 to rotate. The movable block 21, which is threadedly connected to the threaded rod 19, moves horizontally along the threaded rod 19 under the guidance of the second guide rod 23. When the movable block 21 moves to the right, the connecting frame 22 drives the polisher 24 to abut against the drill bit and start the drill bit to rotate. At this time, the drill bit can be polished and repaired without disassembling it. The operation is convenient and saves maintenance time.
[0037] Working principle: When using this high-speed rail component manufacturing drilling device with rapid positioning function, firstly, when batch processing flat plate-type high-speed rail components, the high-speed rail components are placed on the drilling platform 16, and the electric telescopic rod 14 is started. The electric telescopic rod 14 pushes the limiting component 15 to slide on the limiting plate 13. Since the limiting plate 13 has a rectangular frame structure and is located directly above the drilling platform 16, the limiting component 15 can quickly position and clamp the high-speed rail components. After the high-speed rail components are positioned, the circulating water pump 9 is started. The circulating water pump 9 draws coolant from the coolant tank 8 through the water inlet pipe 11. The coolant is sprayed onto the drill bit on the drilling tool 4 through the retractable water outlet pipe 10 and the cooling nozzle 12 at the end, which cools and lubricates the drill bit.
[0038] The hydraulic cylinder assembly 3 is activated, and the piston rod of the hydraulic cylinder assembly 3 drives the hole opener 4 to move downward. The first guide rod 6 on the connecting strips 5 on the front and rear sides of the hydraulic cylinder assembly 3 passes through the support frame 2 and is guided and connected to it, ensuring that the hole opener 4 descends vertically and smoothly, so that the drill bit on the hole opener 4 can accurately align with the predetermined hole opening position of the high-speed rail component on the hole opening platform 16 to perform hole opening operation. The debris and coolant generated during hole opening fall into the hole opening platform 16 through the through hole 17, and then flow into the wastewater tank 7 through the drain pipe 18. The filter screen installed in the wastewater tank 7 and the hole opening platform 16 can filter debris to prevent debris from clogging the pipes and facilitate subsequent cleaning.
[0039] When the drill bit of the hole opener 4 becomes rusted or damaged after prolonged use and requires grinding, the servo motor 20 is activated. The servo motor 20 drives the threaded rod 19 to rotate. The movable block 21, which is threadedly connected to the threaded rod 19, moves horizontally along the threaded rod 19 under the guidance of the second guide rod 23. When the movable block 21 moves to the right, the connecting frame 22 drives the grinder 24 to abut against the drill bit, starting the drill bit to rotate. At this time, the drill bit can be ground and repaired without disassembling it, which is convenient and saves maintenance time. This completes a series of tasks. Content not described in detail in this specification belongs to prior art known to those skilled in the art.
[0040] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A hole-opening device for manufacturing high-speed rail components with rapid positioning function, comprising a worktable (1), a support frame (2) mounted above the worktable (1), a hydraulic cylinder assembly (3) mounted above the support frame (2), and a hole opener (4) mounted below the hydraulic cylinder assembly (3), characterized in that: A wastewater tank (7) is installed on the lower right side of the workbench (1), and a coolant tank (8) is installed on the upper right side of the workbench (1). A circulating water pump (9) is installed on the right side of the coolant tank (8), and an outlet pipe (10) and an inlet pipe (11) are installed on the upper and lower sides of the circulating water pump (9), respectively. Limiting plates (13) are installed on both the left and right sides of the upper surface of the workbench (1), and a limiting component (15) is installed on the upper surface of the workbench (1) via an electric telescopic rod (14). An opening platform (16) is installed on the upper surface of the workbench (1). A threaded rod (19) is installed on the inside right side of the support frame (2), and a movable block (21) is installed on the threaded rod (19). A connecting frame (22) is installed on the movable block (21), and a grinder (24) is installed on the right side of the connecting frame (22).
2. The hole-opening device for manufacturing high-speed rail components with rapid positioning function according to claim 1, characterized in that: The hydraulic cylinder assembly (3) is equipped with connecting strips (5) on both the front and rear sides, and a first guide rod (6) is installed on the side of the connecting strip (5). The first guide rod (6) passes through the support frame (2) and is guided and connected to the support frame (2).
3. The hole-opening device for manufacturing high-speed rail components with rapid positioning function according to claim 1, characterized in that: The wastewater tank (7) and the perforated platform (16) are equipped with filter screens. A drain pipe (18) is installed on the wastewater tank (7) and is connected to the interior of the perforated platform (16).
4. The hole-opening device for manufacturing high-speed rail components with rapid positioning function according to claim 1, characterized in that: The water outlet pipe (10) is designed to be telescopic, and a cooling nozzle (12) is installed at the end of the water outlet pipe (10). The cooling nozzle (12) is aligned with the drill bit on the hole opener (4). The drill bit is designed to be cylindrical. The water inlet pipe (11) is connected to the interior of the coolant tank (8).
5. The hole-opening device for manufacturing high-speed rail components with rapid positioning function according to claim 1, characterized in that: The limiting component (15) is slidably connected to the limiting plate (13), and the limiting plate (13) is designed with a rectangular frame structure.
6. The hole-opening device for manufacturing high-speed rail components with rapid positioning function according to claim 5, characterized in that: The limiting plate (13) is located directly above the opening platform (16). The opening platform (16) has a hollow structure inside, and a through hole (17) is opened on the upper surface of the opening platform (16). The center line of the through hole (17) coincides with the center line of the drill bit on the hole opener (4).
7. The hole-opening device for manufacturing high-speed rail components with rapid positioning function according to claim 1, characterized in that: The threaded rod (19) is connected to the output shaft end of the servo motor (20). The servo motor (20) is fixed on the left side of the support frame (2). The threaded rod (19) is provided with a second guide rod (23) on both the upper and lower sides. The second guide rod (23) is connected to the support frame (2). The movable block (21) is slidably connected to the second guide rod (23). The grinder (24) and the drill bit on the hole opener (4) are designed with a concentric circle structure.