Numerical control machining tool for crankshaft

Through the bidirectional threaded rod and motor-driven clamping system and suction fan cleaning system, the problems of limited applicability and manual turning of existing CNC machining centers for crankshafts are solved, and fast fixation and efficient processing of different crankshafts are achieved, improving processing accuracy and environmental cleanliness.

CN223353564UActive Publication Date: 2025-09-19ANHUI JIAXIN ZHONGCHENG MASCH CO LTD
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Patent Information

Application Number
CN202422723601.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-09-19
Estimated Expiration
2034-11-07

AI Technical Summary

Technical Problem

Existing CNC machining machines for crankshafts can only accommodate one type of crankshaft and require manual turning during machining, resulting in a limited scope of application and low work efficiency.

Method used

The machine uses a bidirectional threaded rod and a motor-driven clamping system to quickly fix and flip crankshafts of different sizes. The vacuum blower and electric push rod system are used to clean up debris in real time and keep the processing area tidy.

Benefits of technology

It improves the stability and efficiency of crankshaft processing, enhances the versatility of the device, ensures processing accuracy and a clean environment, and reduces operation difficulty and time.

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Abstract

The numerical control machining tool for the crankshaft comprises a workbench, the outer side wall of the workbench is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with a two-way threaded rod. In the actual use process, the crankshaft clamping device drives the two-way threaded rod to rotate after being started, the two-way threaded rod rotates to drive the connecting blocks at the two ends to move towards the middle, a crankshaft is placed on the bottom plate, the adjusting screw rod on the circular plate is rotated, the adjusting screw rod drives the upper pressing plate to move downwards, and the upper pressing plate is matched with the bottom plate to clamp the crankshaft. After a second motor outside a clamping plate is started, a circular plate on a rotating shaft is driven to rotate, so that the crankshaft is turned over quickly, the problems that the crankshaft is not firmly fixed, is inconvenient to turn over and the like in a crankshaft machining device are solved through cooperation, the crankshafts of different sizes can be quickly fixed through cooperation, and the machining efficiency is improved. And it is ensured that the crankshaft is stable and does not shake in the machining process, the crankshaft can be turned over conveniently and rapidly, the machining efficiency is improved, and the operation difficulty is reduced.
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Description

Technical Field

[0001] The utility model relates to the field of numerical control machine tools, in particular to a numerical control machine tool for crankshafts. Background Art

[0002] This CNC machine tool for crankshafts is an advanced piece of equipment specifically designed for crankshaft machining. Equipped with a high-precision CNC system, it enables multi-axis control, enabling precise cutting, milling, drilling, and other machining operations on crankshafts. Its powerful powertrain and stable structure ensure efficient and precise machining of complex crankshaft shapes, ensuring high-quality crankshaft production.

[0003] A search revealed a Chinese patent with publication number CN221210848U, which discloses a CNC machine tool for crankshafts. The patent describes a simple and easy-to-use operation. When the CNC machine tool body needs to be disassembled and hoisted, a worker can remotely control a drive mechanism. The drive mechanism controls the movement of a threaded block, which drives the limit rod and the limit slot on the insert block to separate from each other. The CNC machine tool body can then be hoisted, thereby reducing safety hazards during disassembly and hoisting of the CNC machine tool body.

[0004] In this solution, although remote operation is realized to achieve the effect of easy disassembly, due to the different shapes and sizes of crankshafts, the device can only adapt to one type of crankshaft when fixing it, and the scope of application is small. In addition, the crankshaft needs to be turned over during processing, and the device requires manual operation when turning it over, which greatly reduces the work efficiency. In order to solve this technical problem, the utility model proposes a CNC machining machine for crankshafts. Utility Model Content

[0005] (1) Technical problems solved

[0006] In this solution, although remote operation is realized to achieve the effect of easy disassembly, due to the different shapes and sizes of crankshafts, the device can only adapt to one type of crankshaft when fixing it, and the scope of application is small. In addition, the crankshaft needs to be turned over during processing, and the device requires manual operation when turning it over, which greatly reduces the work efficiency. In order to solve this technical problem, the utility model proposes a CNC machining machine for crankshafts.

[0007] (2) Technical solution

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a CNC machining machine for a crankshaft, comprising a workbench, wherein the outer wall of the workbench is fixedly connected to motor 1, the output end of motor 1 is fixedly connected to a two-way threaded rod, and a slide groove is provided inside the workbench, and the outer walls at both ends of the two-way threaded rod are threadedly connected to a connecting block 1, and the top of each connecting block 1 is fixedly connected to a splint, and each of the splints is rotatably connected to a rotating shaft, one side of the splint outer wall is fixedly connected to motor 2, and one side of the rotating shaft is fixedly connected to the output end of motor 2, and the other end of each rotating shaft is fixedly connected to a circular plate. The outer wall of each circular plate is fixedly connected to a mounting plate, and the interior of each mounting plate is threadedly connected to an adjusting screw, and the other end of the adjusting screw is rotatably connected to an upper pressure plate, and the outer wall of each circular plate is fixedly connected to a bottom plate.

[0009] Preferably, a collection box is fixedly connected to the bottom of the workbench, a suction fan is fixedly connected to the bottom of the workbench, a connecting hard pipe is fixedly connected to the output end of the suction fan, a connecting hose is fixedly connected to the other end of the connecting hard pipe, and a suction head is fixedly connected to the other end of the connecting hose.

[0010] Preferably, the connecting block 1 corresponds to the slide groove, and the connecting block 1 is slidingly connected in the slide groove, each of the circular plates is rotatably connected to the outside of the clamping plate, and each of the upper pressure plates corresponds to each of the bottom plates.

[0011] Preferably, a pair of electric push rods are fixedly connected to the top of the workbench, the output ends of the electric push rods are fixedly connected to a fixed frame, the outer side wall of the fixed frame is fixedly connected to motor three, the output end of motor three is fixedly connected to a one-way threaded rod, the outer side wall of the one-way threaded rod is threadedly connected to connecting block two, the other end of connecting block two is fixedly connected to the first motor, and the output end of the first motor is fixedly connected to the processing head.

[0012] Preferably, the suction head is fixedly connected to the outer wall of the second connecting block, and the end of the suction head corresponds to the processing head, and the second connecting block is slidably connected in the fixed frame.

[0013] Preferably, a pair of shells are slidably connected to the top of the workbench, and a heat dissipation fan is provided inside each of the shells.

[0014] (3) Beneficial effects

[0015] The utility model provides a CNC machining machine for a crankshaft, which has the following beneficial effects:

[0016] (1) After starting, the bidirectional threaded rod is driven to rotate. When the bidirectional threaded rod rotates, the connecting blocks at both ends move toward the middle under the limiting action of the slide groove. The crankshaft is placed on the bottom plates on both sides. The bottom plates play the role of supporting the crankshaft. The adjusting screw on the circular plate is rotated, and the adjusting screw drives the upper pressure plate to move downward. The upper pressure plate cooperates with the bottom plate to clamp the crankshaft. After the motor 2 outside the clamping plate is started, it drives the circular plate on the rotating shaft to rotate, so that the crankshaft can be quickly flipped. This cooperation solves the problems of unstable crankshaft fixation and inconvenient flipping in the crankshaft processing device. This cooperation can realize the rapid fixation of crankshafts of different sizes, ensure that the crankshaft is stable and does not shake during the processing, and flip the crankshaft conveniently and quickly, thereby improving the processing efficiency, reducing the difficulty of operation, and enhancing the versatility and practicality of the device.

[0017] (2) After the suction fan is started, a suction channel is formed by connecting the hard pipe, the connecting hose and the suction head. The electric push rod can adjust the up and down position of the fixed frame. The fixed frame is installed with a first motor. After the motor three is started, it drives the one-way threaded rod to rotate. The rotation of the one-way threaded rod enables the connecting block two to move left and right, thereby adjusting the left and right position of the first motor. The suction head is fixed on the connecting block two and will move with the adjustment of the first motor and always align with the processing head. This combination solves the problems of untimely cleaning of processing debris in the processing device, affecting processing accuracy and environment. This combination can clean debris in real time during the processing process, keep the processing area clean, and improve processing accuracy. The position of the suction head can be flexibly adjusted according to processing requirements to ensure the cleaning effect. The overall processing efficiency is improved and a comfortable working environment is provided for the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the shell of the utility model;

[0020] Figure 3 This is a schematic diagram of the top structure of the workbench of the utility model;

[0021] Figure 4 This is a schematic diagram of the bottom structure of the workbench of the present utility model.

[0022] In the figure: 1. Workbench; 2. Motor 1; 3. Bidirectional threaded rod; 4. Slide; 5. Connecting block 1; 6. Clamp; 7. Motor 2; 8. Rotating shaft; 9. Circular plate; 10. Mounting plate; 11. Adjusting screw; 12. Upper pressure plate; 13. Bottom plate; 14. Collecting box; 15. Suction fan; 16. Connecting hard pipe; 17. Connecting hose; 18. Electric push rod; 19. Fixed frame; 20. Motor 3; 21. Unidirectional threaded rod; 22. Connecting block 2; 23. First motor; 24. Suction head; 25. Processing head; 26. Housing; 27. Cooling fan. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0024] See also Figure 1-4 , the utility model provides a technical solution:

[0025] Example 1: A CNC machining center for a crankshaft, comprising a workbench 1, wherein the outer wall of the workbench 1 is fixedly connected to a motor 2, and the output end of the motor 2 is fixedly connected to a bidirectional threaded rod 3. A slide groove 4 is provided inside the workbench 1, and the outer walls of both ends of the bidirectional threaded rod 3 are threadedly connected to a connecting block 5, and each connecting block 5 is fixedly connected to a clamping plate 6 at the top, and each clamping plate 6 is rotatably connected to a rotating shaft 8 inside. The outer wall of one side clamping plate 6 is fixedly connected to a motor 2 7, and the rotating shaft 8 is fixedly connected to the output end of the motor 2 7 on one side. The other end of each rotating shaft 8 is fixedly connected to a circular plate 9, the outer wall of each circular plate 9 is fixedly connected to a mounting plate 10, the inside of each mounting plate 10 is threadedly connected to an adjusting screw 11, the other end of the adjusting screw 11 is rotatably connected to an upper pressure plate 12, the outer wall of each circular plate 9 is fixedly connected to a bottom plate 13, the connecting block 5 corresponds to the slide groove 4, and the connecting block 5 is slidably connected in the slide groove 4, each circular plate 9 is rotatably connected to the outside of the splint 6, and each upper pressure plate 12 corresponds to each bottom plate 13.

[0026] When the adjusting screw 11 is rotated, the upper pressure plate 12 is driven to move downward, and the upper pressure plate 12 and the bottom plate 13 are tightly matched. At the same time, the motor 2 7 outside the clamping plate 6 is started. After the motor 2 7 is turned, the circular plate 9 on the rotating shaft 8 is driven to rotate. In this way, the crankshaft can be quickly flipped. Through the cooperation between these components, the operation of quickly fixing and flipping crankshafts of different sizes is successfully achieved. This operation method greatly improves work efficiency and makes the processing and handling of crankshafts more convenient, efficient and accurate.

[0027] Example 2: The difference between this example and Example 1 is that, the bottom of the workbench 1 is fixedly connected to a collection box 14, the bottom of the workbench 1 is fixedly connected to a suction fan 15, the output end of the suction fan 15 is fixedly connected to a connecting hard pipe 16, the other end of the connecting hard pipe 16 is fixedly connected to a connecting hose 17, the other end of the connecting hose 17 is fixedly connected to a suction head 24, the top of the workbench 1 is fixedly connected to a pair of electric push rods 18, the output end of the electric push rods 18 is fixedly connected to a fixed frame 19, and the outer wall of the fixed frame 19 is fixedly connected to a motor 3 20 The output end of motor three 20 is fixedly connected to a one-way threaded rod 21, and the outer wall of the one-way threaded rod 21 is threadedly connected to a connecting block two 22, and the other end of the connecting block two 22 is fixedly connected to a first motor 23, and the output end of the first motor 23 is fixedly connected to a processing head 25, and a suction head 24 is fixedly connected to the outer wall of the connecting block two 22, and the end of the suction head 24 corresponds to the processing head 25, and the connecting block two 22 is slidably connected in the fixed frame 19, and a pair of shells 26 are slidably connected to the top of the workbench 1, and a cooling fan 27 is provided inside each shell 26.

[0028] Close the housing 26, then start the first motor 23, under the action of the first motor 23, start the crankshaft processing operation, at the same time, cooperate to start the electric push rod 18 and the motor three 20, after the electric push rod 18 is started, it can adjust the up and down position of the first motor 23 on the fixed frame 19, so that the height of the first motor 23 can be adjusted according to actual processing requirements, after the motor three 20 is running, it drives the one-way threaded rod 21 to rotate, and through the rotation of the one-way threaded rod 21, it can drive the connecting block 22 to adjust left and right, and then adjust the left and right position of the first motor 23. Such an adjustment function makes the processing process more accurate and can better meet different processing requirements. During the processing, the suction fan 15 is started. Under the strong suction force of the suction fan 15, the debris generated by the processing is absorbed through the connecting hard tube 16, the connecting hose 17 and the suction head 24 fixed on the connecting block 22, and is transported to the collection box 14. Since the suction head 24 will be adjusted together with the adjustment of the first motor 23 and is always aligned with the processing head 25, the debris generated in the processing process can be efficiently cleaned. Through the cooperation between these components, the effect of cleaning while processing is achieved, providing a clean and comfortable environment for the processing process. In addition, the cooling fan 27 will continue to work to reduce the temperature inside the casing 26, ensure that the equipment operates at an appropriate temperature, and extend the service life of the equipment.

[0029] Working principle: when the staff uses the device to process the crankshaft, according to the length of the crankshaft, the motor 2 outside the workbench 1 is started, and the bidirectional threaded rod 3 is driven to rotate under the action of the motor 2. When the bidirectional threaded rod 3 rotates, it will drive the connecting blocks 5 at both ends to move toward the middle. At this time, the crankshaft is placed on the bottom plates 13 on both sides, and the adjusting screws 11 on the circular plates 9 on both sides are rotated. The upper pressure plate 12 is driven downward by the rotation of the adjusting screw 11, and the clamping effect of the crankshaft is achieved through the cooperation of the upper pressure plate 12 and the bottom plate 13. The motor 2 7 outside the clamping plate 6 is started in conjunction with the circular plate 9 on the rotating shaft 8 to rotate under the action of the motor 2 7, so that the crankshaft can be quickly flipped. Through their cooperation, crankshafts of different sizes can be quickly fixed and flipped, thereby improving work efficiency. After fixed installation, the outer shell 26 is closed and the first motor 23 is started. Under the action of the first motor 23 Start processing the crankshaft, and start the electric push rod 18 and motor three 20. Under the action of the electric push rod 18, the up and down position of the first motor 23 on the fixed frame 19 can be adjusted, and the motor three 20 drives the one-way threaded rod 21 to rotate. The rotation of the one-way threaded rod 21 can drive the connecting block 22 to adjust left and right, thereby adjusting the left and right position of the first motor 23 to the connecting block 22, making the processing more precise. Start the suction fan 15 during processing. Under the action of the suction fan 15, the debris generated by the processing is absorbed through the connecting hard pipe 16, the connecting hose 17 and the suction head 24, and transported to the collection box 14. At the same time, the suction head 24 is fixed on the connecting block 22, so it will be adjusted together with the adjustment of the first motor 23, and the suction head 24 is aligned with the processing head 25. Through their cooperation, the effect of cleaning while processing is achieved, providing a comfortable environment, and the cooling fan 27 will reduce the temperature inside the shell 26.

[0030] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

Claims

1. A CNC machine tool for a crankshaft, characterized in that: The invention comprises a workbench (1), wherein the outer wall of the workbench (1) is fixedly connected to a motor (2), the output end of the motor (2) is fixedly connected to a bidirectional threaded rod (3), a slide groove (4) is provided inside the workbench (1), the outer walls of both ends of the bidirectional threaded rod (3) are threadedly connected to a connecting block (5), the top of each connecting block (5) is fixedly connected to a clamping plate (6), the interior of each clamping plate (6) is rotatably connected to a rotating shaft (8), and the outer wall of the clamping plate (6) on one side is fixedly connected to the outer wall of the clamping plate (6) There is a second motor (7), one side of the rotating shaft (8) is fixedly connected to the output end of the second motor (7), the other end of each rotating shaft (8) is fixedly connected to a circular plate (9), the outer wall of each circular plate (9) is fixedly connected to a mounting plate (10), the interior of each mounting plate (10) is threadedly connected to an adjusting screw (11), the other end of the adjusting screw (11) is rotatably connected to an upper pressure plate (12), and the outer wall of each circular plate (9) is fixedly connected to a bottom plate (13).

2. The CNC machine tool for crankshaft according to claim 1, characterized in that: The bottom of the workbench (1) is fixedly connected to a collecting box (14), the bottom of the workbench (1) is fixedly connected to a suction fan (15), the output end of the suction fan (15) is fixedly connected to a connecting hard pipe (16), the other end of the connecting hard pipe (16) is fixedly connected to a connecting hose (17), and the other end of the connecting hose (17) is fixedly connected to a suction head (24).

3. The CNC machine tool for crankshaft according to claim 2, characterized in that: The connecting block 1 (5) corresponds to the slide groove (4), and the connecting block 1 (5) is slidably connected in the slide groove (4). Each of the circular plates (9) is rotatably connected to the outside of the clamping plate (6), and each of the upper pressing plates (12) corresponds to each of the bottom plates (13).

4. The CNC machine tool for crankshaft according to claim 3, characterized in that: A pair of electric push rods (18) are fixedly connected to the top of the workbench (1), the output ends of the electric push rods (18) are fixedly connected to a fixed frame (19), the outer wall of the fixed frame (19) is fixedly connected to a motor three (20), the output end of the motor three (20) is fixedly connected to a one-way threaded rod (21), the outer wall of the one-way threaded rod (21) is threadedly connected to a connecting block two (22), the other end of the connecting block two (22) is fixedly connected to a first motor (23), and the output end of the first motor (23) is fixedly connected to a processing head (25).

5. The CNC machine tool for crankshaft according to claim 4, characterized in that: The suction head (24) is fixedly connected to the outer wall of the second connecting block (22), and the end of the suction head (24) corresponds to the processing head (25). The second connecting block (22) is slidably connected to the fixed frame (19).

6. The CNC machine tool for crankshaft according to claim 5, characterized in that: A pair of housings (26) are slidably connected to the top of the workbench (1), and a heat dissipation fan (27) is provided inside each of the housings (26).

Citation Information

Patent Citations

  • Numerical control machining tool for crankshaft

    CN221210848U