Power roller chamber structure of spinning machine

Abstract

The utility model relates to spinning processing equipment technical field discloses a kind of spinning machine power spinning wheel room structure, including shell, and the hydraulic motor being installed in shell, pivot and spinning wheel, the output shaft of hydraulic motor is connected with pivot by overrunning clutch, the end of pivot is fixedly connected with spinning wheel, when spinning wheel rotational speed exceeds the set rotational speed of hydraulic motor, overrunning clutch is automatically disconnected, and the power transmission path between hydraulic motor and pivot is cut off.The utility model passes through above-mentioned structure, effectively prevent the damage of hydraulic motor due to reverse drag phenomenon, while eliminating the workpiece surface defect caused by speed mismatch, improve the reliability of equipment operation and processing qualification rate.

Description

Technical Field

[0001] This utility model relates to the field of spinning equipment technology, and in particular to a power spinning wheel chamber structure for a spinning machine. Background Technology

[0002] A spinning press is a pressure processing device that applies pressure to a high-speed rotating metal blank through a spinning wheel, causing it to undergo localized plastic deformation to form a hollow rotating product. In the power system of a spinning press, a hydraulic motor is usually used as the drive source, which drives the spinning wheel to rotate through a transmission mechanism.

[0003] In traditional spinning chamber structures, the output end of the hydraulic motor is typically rigidly or semi-rigidly connected to the shaft of the drive spinning wheel via a coupling or gearbox. During the dynamic process of spinning, the material thickness and hardness of the workpiece are not completely uniform, and the deformation resistance at the contact point between the spinning wheel and the workpiece fluctuates. These factors cause instantaneous fluctuations in the actual rotational speed of the spinning wheel. Under certain conditions, the rotational speed of the spinning wheel may momentarily exceed the set speed of the hydraulic motor due to inertia or external forces. When the spinning wheel speed exceeds the set speed of the hydraulic motor, due to the rigid connection of the transmission chain, the spinning wheel with the higher speed will drag the hydraulic motor in the opposite direction, forming a reverse drag phenomenon. This reverse drag will cause huge impacts and damage to the internal components of the hydraulic motor, shortening the service life of the hydraulic motor. At the same time, the impact load generated by this speed mismatch between the drive end and the execution end will be directly reflected on the contact surface between the spinning wheel and the workpiece, resulting in vibration marks or scratches on the surface of the machined workpiece, affecting product quality and reducing the pass rate of processing.

[0004] Therefore, this utility model proposes a power spinning wheel chamber structure for a spinning machine to overcome the shortcomings of the prior art. Utility Model Content

[0005] In view of the problems in the existing technology of the power spinning wheel chamber structure of spinning machines, such as the drive source being easily damaged by reverse drag when the spinning wheel is overspeeding, and the poor surface quality of the workpiece due to speed mismatch, this utility model aims to provide a spinning machine power spinning wheel chamber structure with improved structure that can effectively solve the above problems.

[0006] This utility model provides a power spinning chamber structure for a spinning machine, comprising: a housing, a hydraulic motor installed inside the housing, a rotating shaft with a rotating wheel fixedly connected to the end of the rotating shaft, and an overrunning clutch.

[0007] The overrunning clutch is configured to automatically interrupt power output when the rotational speed of the shaft exceeds the rotational speed of the hydraulic motor output shaft.

[0008] Furthermore, the output shaft of the hydraulic motor is combined with the rotating shaft via an overrunning clutch to form a unidirectional transmission path.

[0009] Preferably, the overrunning clutch is a wedge-type one-way clutch.

[0010] Preferably, the hydraulic motor is fixedly connected to one end of the housing by bolts.

[0011] Preferably, the output shaft of the hydraulic motor is connected to the input end of the overrunning clutch via a key, and the output end of the overrunning clutch is connected to the rotating shaft via a key.

[0012] Preferably, the overrunning clutch is coaxially disposed between the output shaft of the hydraulic motor and the rotating shaft.

[0013] Preferably, the power spinning chamber structure of the spinning machine further includes a hydraulic control system, the control terminal of which is connected to the hydraulic motor to achieve stepless speed regulation of the hydraulic motor.

[0014] Preferably, the hydraulic control system includes a pressure sensor and a proportional valve.

[0015] Preferably, the proportional valve is configured to receive a signal from a pressure sensor and perform closed-loop control of the rotational speed of the hydraulic motor.

[0016] Preferably, the closed-loop control is used to adjust the output torque of the hydraulic motor in real time.

[0017] This utility model has the following beneficial effects: 1. This utility model solves the problem in the prior art that when the speed of the rotating wheel exceeds the set speed of the drive source, a reverse drag force will be generated, which will easily damage the drive source. It achieves automatic disconnection of the power connection, effectively prevents reverse drag from damaging the hydraulic motor, and significantly improves the reliability and service life of the equipment.

[0018] 2. This utility model, by setting an overrunning clutch and cooperating with a hydraulic system that can realize closed-loop speed control, solves the problem of workpiece surface defects and low processing qualification rate caused by transmission chain speed mismatch or impact in the prior art, and achieves the effect of eliminating processing defects and improving workpiece surface quality and processing qualification rate. Attached Figure Description

[0019] Figure 1 This is a perspective view of the power spinning wheel chamber structure of a spinning machine proposed in this utility model; Figure 2 This is a front view of the power spinning chamber structure of a spinning machine proposed in this utility model; Figure 3 This is a top view of the power spinning chamber structure of a spinning machine proposed in this utility model; Figure 4 This is a cross-sectional view of the power spinning chamber structure of a spinning machine proposed in this utility model.

[0020] Legend: 1. Housing; 2. Hydraulic motor; 3. Rotary wheel; 4. Rotary shaft; 5. Overrunning clutch. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. Example:

[0022] Please refer to Figures 1 to 4 This utility model provides a power spinning wheel chamber structure for a spinning machine, which aims to solve the problem that when the spinning wheel speed exceeds the drive source speed in the existing power transmission structure of a spinning machine, reverse drag is easily generated, which leads to damage to the drive source and defects on the surface of the workpiece.

[0023] like Figures 1 to 4 As shown, a spinning mill power wheel chamber structure includes a housing 1, and a hydraulic motor 2, an overrunning clutch 5, a rotating shaft 4, and a rotating wheel 3 installed inside the housing 1 to form a power transmission chain. The housing 1 serves as the mounting platform and protective cover for the overall structure, providing support and protection for the internal components. The hydraulic motor 2 serves as the drive source for the entire structure and is fixedly connected to one end of the housing 1 by bolts. In this embodiment, the hydraulic motor 2 is fixedly connected to the left end of the housing 1. The hydraulic motor 2 has an output shaft for outputting power. The overrunning clutch 5 is coaxially disposed between the output shaft of the hydraulic motor 2 and the rotating shaft 4, forming the core transmission link connecting the two. Specifically... The input end of the overrunning clutch 5 is fixed to the output shaft of the hydraulic motor 2 by a key connection to ensure stable reception of the torque output by the hydraulic motor 2. The output end of the overrunning clutch 5 is also fixed to one end of the rotating shaft 4 by a key connection to reliably transmit the torque to the rotating shaft 4. The other end of the rotating shaft 4 is fixedly connected to the rotating wheel 3. The rotating wheel 3 is the actuator that directly spins the workpiece and is driven by the rotating shaft 4 to rotate. Thus, the hydraulic motor 2, the overrunning clutch 5, the rotating shaft 4 and the rotating wheel 3 are connected in series to form a complete and compact power transmission path from the power source to the execution end.

[0024] Please refer to Figure 1 and Figure 4In this embodiment, the overrunning clutch 5 is specifically a wedge-type one-way clutch. Its internal structure includes an inner ring, an outer ring, and multiple wedges arranged between the inner and outer rings. The overrunning clutch 5 is coaxially mounted between the output shaft of the hydraulic motor 2 and the rotating shaft 4. Its input end is keyed to the output shaft of the hydraulic motor 2, and its output end is also keyed to one end of the rotating shaft 4. The function of the overrunning clutch 5 is to form a transmission node that allows torque transmission in only one direction. When the hydraulic motor 2 is driven as the active component, the output shaft drives the inner ring of the overrunning clutch 5 to rotate, causing the wedges to wed between the inner and outer rings, transmitting power from the inner ring to the outer ring, and ultimately driving the rotating shaft 4 to rotate through the output end of the overrunning clutch 5. Meanwhile, when the rotary wheel 3 experiences a reaction force from the workpiece during processing or its rotational speed increases instantaneously due to inertia, causing the rotational shaft 4 to exceed the set speed of the hydraulic motor 2's output shaft, the rotary shaft 4 becomes the temporary driving force. At this time, the outer ring of the overrunning clutch 5 rotates faster than the inner ring, causing the wedge to automatically disengage and the power connection between the inner and outer rings to be instantly broken. This one-way clutch structure ensures that under any circumstances, the higher-speed rotary shaft 4 will not transmit reverse impact torque to the hydraulic motor 2, thus effectively protecting the hydraulic motor 2. To achieve precise control of the spinning process, this embodiment also includes a hydraulic control system. The control terminal of the hydraulic control system is connected to the hydraulic motor 2 to achieve stepless speed regulation of the hydraulic motor 2. The hydraulic control system includes a pressure sensor and a proportional valve. The pressure sensor is used to monitor the pressure changes in the hydraulic system pipeline in real time and feed the pressure signal back to the proportional valve. The proportional valve is configured to receive the signal from the pressure sensor and adjust the hydraulic oil flow to the hydraulic motor 2 according to the preset control logic. In this way, the rotation speed of the hydraulic motor 2 is precisely controlled in a closed loop, thereby realizing the real-time adjustment of the output torque of the hydraulic motor 2 to meet the spinning process requirements of workpieces of different materials and thicknesses.

[0025] As a preferred embodiment, to further clarify the structural type of the overrunning clutch 5 to achieve a stable and reliable one-way transmission effect, the overrunning clutch 5 is specifically a wedge-type one-way clutch. The wedge-type one-way clutch has a compact structure, strong load-bearing capacity, and low contact stress when transmitting torque, which can meet the requirements of high torque transmission in spinning processing. As another preferred embodiment, to ensure that the hydraulic motor 2 is securely fixed to the housing 1 during operation and to prevent displacement due to vibration, the hydraulic motor 2 is fixedly connected to one end of the housing 1 by multiple bolts. Specifically, multiple mounting through holes corresponding to the flange of the hydraulic motor 2 are provided on the end wall of the housing 1. The bolts pass through the mounting through holes and are screwed into the threaded holes on the flange of the hydraulic motor 2, thereby achieving a tight connection between the two. As another preferred embodiment, to ensure reliable power transmission and facilitate assembly and maintenance, keyed connections are used between the output shaft of the hydraulic motor 2 and the input end of the overrunning clutch 5, as well as between the output end of the overrunning clutch 5 and the rotating shaft 4. Specifically, keyways are machined at the connecting ends of the output shaft of the hydraulic motor 2 and the rotating shaft 4, and corresponding keyways are machined in the inner holes of the input and output ends of the overrunning clutch 5. Torque transmission is achieved by embedding a flat key into the corresponding keyways. In another preferred embodiment, to ensure coaxiality of power transmission and reduce vibration and energy loss, the overrunning clutch 5 is configured to be coaxially positioned between the output shaft of the hydraulic motor 2 and the rotating shaft 4. During assembly, high-precision machining and positioning are performed on the inner bore of the housing 1, the mounting stop of the hydraulic motor 2, and the support bearing of the rotating shaft 4 to ensure that the central axes of the output shaft of the hydraulic motor 2, the overrunning clutch 5, and the rotating shaft 4 coincide. As a preferred control scheme, in order to achieve automated and precise control of the spinning process, a spinning machine power wheel chamber structure is also equipped with a complete hydraulic control system. The control end of the hydraulic control system is connected to the hydraulic motor 2 through hydraulic pipelines and electrical control lines to precisely control the flow rate and pressure of the hydraulic oil supplied to the hydraulic motor 2, thereby achieving smooth stepless speed regulation of the hydraulic motor 2. Based on the aforementioned hydraulic control system, in order to construct a closed-loop control to cope with changes in processing load, the hydraulic control system specifically includes a pressure sensor and a proportional valve. The pressure sensor is installed on the main oil line leading to the hydraulic motor 2 to monitor the working pressure of the hydraulic motor 2 in real time. The proportional valve acts as an actuator, adjusting the valve opening according to the received control signal. Based on the inclusion of a pressure sensor and a proportional valve, in order to achieve adaptive torque control, the proportional valve is configured to receive real-time pressure signals from the pressure sensor, and perform calculations via an internal controller or an external PLC to achieve closed-loop control of the speed of the hydraulic motor 2. Based on closed-loop control, in order to ultimately meet diverse process requirements, this closed-loop control is used to adjust the output torque of hydraulic motor 2 in real time. When the spinning load increases and the system pressure rises, the pressure sensor detects the change, and the control system adjusts the proportional valve to increase the flow or pressure, maintain or increase the output torque of hydraulic motor 2, and vice versa, thereby ensuring the stability of the processing process and the consistency of workpiece quality.

[0026] Working principle: When spinning is required, the hydraulic control system is activated, which supplies high-pressure hydraulic oil to the hydraulic motor 2, driving the output shaft of the hydraulic motor 2 to rotate. The power output by the hydraulic motor 2 is transmitted to the input end of the overrunning clutch 5 through a key connection. Under normal working conditions, the overrunning clutch 5 is engaged, and the internal wedge locks the input and output ends, thereby transmitting torque from the input end to the output end. The output end of the overrunning clutch 5 drives the rotating shaft 4 to rotate through the key connection, ultimately driving the rotating wheel 3 fixed at the end of the rotating shaft 4 to spin the workpiece at a set speed. During the spinning process, if the rotation speed of the rotating wheel 3 momentarily exceeds the set speed of the hydraulic motor 2 due to factors such as uneven workpiece material, deformation rebound, or changes in processing speed, the rotating wheel 3 will drive the output end of the overrunning clutch 5 in the opposite direction through the rotating shaft 4, making the output speed of the overrunning clutch 5 higher than the input speed. Based on the working characteristics of the wedge-type one-way clutch, the wedge will immediately and automatically disengage, instantly disconnecting the power connection between the input and output ends of the overrunning clutch 5. After the power transmission path is cut off, the rotor 3 and shaft 4 can freely rotate at high speed without transmitting any reverse impact torque back to the hydraulic motor 2. This completely solves the reverse drag phenomenon caused by speed mismatch in the prior art, effectively protecting the hydraulic motor 2 from damage. It also eliminates defects such as scratches or vibration marks that may be caused on the workpiece surface by the rigid impact of the transmission chain, significantly improving the processing qualification rate. When the rotational speed of the rotor 3 naturally drops to below or equal to the set speed of the hydraulic motor 2 due to friction and other factors, the wedge of the overrunning clutch 5 will automatically wedge again. Once the power connection is restored, normal spinning processing continues. Simultaneously, the pressure sensor in the hydraulic control system continuously monitors the system pressure and feeds the signal back to the proportional valve. The proportional valve performs closed-loop control based on these signals, adjusting the flow rate supplied to the hydraulic motor 2 in real time and precisely, thereby dynamically adjusting the output torque of the hydraulic motor 2 to adapt to changing processing loads. This active torque adjustment, combined with the passive protection of the overrunning clutch 5, ensures the high stability and reliability of the entire processing process. Furthermore, at the moment of equipment startup, because the overrunning clutch 5 allows the rotor 3 to rotate freely, the problem of overcoming the huge rotational inertia of the rotor 3 during startup is avoided, effectively reducing the startup shock and making the startup process smoother.

Claims

1. A power spinning chamber structure for a spinning machine, comprising: The housing (1), the hydraulic motor (2) installed inside the housing (1) and the shaft (4), the end of the shaft (4) is fixedly connected to the wheel (3); Its features are, The spinning machine power spinning chamber structure also includes an overrunning clutch (5). The output shaft of the hydraulic motor (2) is connected to the rotating shaft (4) through the overrunning clutch (5) to form a one-way transmission path. The overrunning clutch (5) is configured to automatically interrupt the power output of the hydraulic motor (2) to the rotating shaft (4) when the rotational speed of the rotating shaft (4) exceeds the rotational speed of the output shaft of the hydraulic motor (2), so as to prevent the rotating shaft (4) from dragging the hydraulic motor (2) in the opposite direction.

2. The power spinning wheel chamber structure of a spinning machine according to claim 1, characterized in that, The overrunning clutch (5) is a wedge-type one-way clutch.

3. The power spinning wheel chamber structure of a spinning machine according to claim 1, characterized in that, The hydraulic motor (2) is fixedly connected to one end of the housing (1) by bolts.

4. The power spinning wheel chamber structure of a spinning machine according to claim 1, characterized in that, The output shaft of the hydraulic motor (2) is connected to the input end of the overrunning clutch (5) by a key, and the output end of the overrunning clutch (5) is connected to the rotating shaft (4) by a key.

5. The power spinning wheel chamber structure of a spinning machine according to claim 1, characterized in that, The overrunning clutch (5) is coaxially disposed between the output shaft of the hydraulic motor (2) and the rotating shaft (4).

6. The power spinning wheel chamber structure of a spinning machine according to claim 1, characterized in that, It also includes a hydraulic control system, the control end of which is connected to the hydraulic motor (2) for stepless speed regulation of the hydraulic motor (2).

7. The power spinning wheel chamber structure of a spinning machine according to claim 6, characterized in that, The hydraulic control system includes a pressure sensor and a proportional valve.

8. The power spinning wheel chamber structure of a spinning machine according to claim 7, characterized in that, The proportional valve is configured to receive a signal from the pressure sensor and perform closed-loop control of the rotational speed of the hydraulic motor (2).

9. The power spinning wheel chamber structure of a spinning machine according to claim 8, characterized in that, The closed-loop control is used to adjust the output torque of the hydraulic motor (2) in real time.

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