Shaft workpiece straightening device

Abstract

The utility model relates to a kind of shaft workpiece straightening device, comprising: machine body;Feeding assembly, it is set in the both sides of machine body top, for the continuous conveying of shaft workpiece;Supporting assembly, with two groups of settings in the top of machine body and close to the position of feeding assembly;Straightening assembly, it is set in the central position of machine body top and straightens the curved shaft workpiece;The straightening assembly includes rotation setting in the top of machine body for the rotating wheel that shaft workpiece passes through, the rotating wheel inside still distribute several straightening heads that can be close to or far from shaft workpiece, and straightening head inside still rotation setting has the straightening ball that can be contacted with the surface of shaft workpiece for the straightening of shaft workpiece.This utility model is contacted by using straightening head to drive straightening ball and shaft workpiece to exert pressure, and by the rotation of rotating wheel, shaft workpiece is extruded in all directions, the straightening effect of realization.

Description

Technical Field

[0001] This utility model relates to the field of shaft workpiece straightening technology, specifically a shaft workpiece straightening device. Background Technology

[0002] In numerous fields such as machinery manufacturing, automotive industry, and aerospace, shafts serve as critical transmission and support components, and their straightness accuracy has a vital impact on the overall performance, operational stability, and service life of equipment. Currently, during the production and processing of shafts, various factors such as internal material stress release, heat treatment deformation, and machining errors inevitably lead to varying degrees of bending deformation. To meet the usage requirements of shafts, straightening treatment is essential.

[0003] Chinese utility model patent (authorization announcement number CN221559389U) discloses a straightening device for machining a motor shaft, including a machining table, a material transfer component disposed on the top of the machining table for clamping and moving the motor shaft laterally on the machining table, a cleaning component disposed on the top of the machining table for removing adhering substances from the surface of the motor shaft, and a straightening component disposed at both ends of the top of the machining table for straightening the motor shaft. The cleaning component includes a motor base, a drive motor, and a brush wheel. The motor base is disposed on the top of the machining table, the drive motor is disposed on the motor base, and the brush wheel is detachably disposed at the output end of the drive motor.

[0004] The aforementioned prior art discloses a straightening device for machining motor shafts. This device uses a telescopic drive to straighten the shaft workpiece with a pressure block. However, the pressure block can only straighten the shaft workpiece in four directions. Since the shaft workpiece undergoes diverse deformation directions after machining, straightening in four directions cannot adequately cover all deformation areas, resulting in insufficient straightening and failing to meet the straightening requirements of high-precision shaft workpieces. Furthermore, after straightening a shaft workpiece at a specific position, the device needs to stop operating, move the shaft workpiece, and then begin straightening the next position. This intermittent straightening method severely impacts straightening efficiency and cannot meet the needs of large-scale production. Utility Model Content

[0005] The purpose of this invention is to provide a shaft workpiece straightening device, which uses a straightening head to drive a straightening ball to contact the shaft workpiece and apply pressure, and uses the rotation of a rotating wheel to squeeze the shaft workpiece from all directions, thereby achieving the straightening effect.

[0006] To address the problems of existing technologies, this utility model application provides a shaft workpiece straightening device, comprising: a machine body; a feeding assembly disposed on both sides of the top of the machine body for continuous conveying of the shaft workpiece; a support assembly having two sets disposed on the top of the machine body and close to the feeding assembly; and a straightening assembly disposed at the center of the top of the machine body for straightening bent shaft workpieces; the straightening assembly includes a rotating wheel rotatably disposed on the top of the machine body for the shaft workpiece to pass through, the rotating wheel also having a plurality of straightening heads distributed inside the rotating wheel that can approach or move away from the shaft workpiece, and the straightening heads also having straightening balls rotatably disposed inside the straightening heads that can contact the surface of the shaft workpiece for straightening the shaft workpiece.

[0007] Preferably, the straightening assembly includes a second telescopic drive member capable of driving the straightening head closer to or away from the shaft workpiece.

[0008] Preferably, the straightening assembly further includes a toothed ring disposed on one side of the rotating wheel, and the straightening assembly further includes a drive device for driving the rotating wheel to rotate.

[0009] Preferably, the driving device includes a second rotary driving member fixed to the machine body, the output end of the second rotary driving member being connected to a drive gear, and the drive gear meshing with a gear ring.

[0010] Preferably, the straightening assembly further includes a support frame fixed to the top of the machine body at the end away from the toothed ring. The support frame has a plurality of rotatable limiting wheels inside, and a ring rail that cooperates with the limiting wheels is fixed on the side of the rotating wheel away from the toothed ring.

[0011] Preferably, the support assembly includes a limiting sleeve disposed on the top of the machine body, and the limiting sleeve is provided with a lifting seat that can move up and down, and the top of the lifting seat is provided with a guide wheel that can support the shaft workpiece.

[0012] Preferably, the support assembly further includes a first telescopic drive component disposed at the bottom of the machine body and capable of driving the lifting seat to move up and down, and the output end of the first telescopic drive component is connected to the bottom of the lifting seat.

[0013] Preferably, each feeding assembly includes a movable plate that can synchronously move closer or further away, and each movable plate is equipped with a feeding wheel that can transport the shaft workpiece. The feeding assembly also includes a motor that can drive the feeding wheel to rotate. The feeding assembly includes a lead screw that is rotatably disposed on the top of the machine body and threadedly connected to the movable plate. The feeding assembly also includes a first rotary drive component disposed on the machine body and used to drive the lead screw to rotate.

[0014] The advantages of this utility model compared to the prior art are:

[0015] This application proposes an innovative shaft workpiece straightening device, the core of which lies in the inclusion of a rotatable rotating wheel. This rotating wheel, acting as the actuator for the straightening action, contains several straightening heads to ensure uniform and effective application of straightening force to the shaft workpiece surface. Each straightening head contains a rotatable straightening ball that directly contacts the shaft workpiece surface and possesses free rotation capabilities. During the straightening process, the straightening ball and the shaft workpiece surface experience rolling friction, which effectively reduces damage to the shaft workpiece surface and ensures uniform transmission of the straightening force. To achieve the straightening operation, this application incorporates a second telescopic drive component. This second telescopic drive component controls the extension and retraction of the straightening head, thereby applying appropriate compressive force to the shaft workpiece using the straightening ball. By adjusting the extension and retraction stroke of the second telescopic drive component, it can flexibly adapt to shaft workpieces of different diameters and degrees of curvature, ensuring the stability and reliability of the straightening effect. During operation, the rotating wheel rotates, driving the straightening head in a circular motion. As the rotating wheel continues to rotate, the straightening head sequentially performs straightening operations on different parts of the shaft workpiece. Due to the rotational characteristics of the straightening ball, the shaft workpiece can be smoothly conveyed forward while being compressed, achieving continuous straightening of the shaft workpiece during the conveying process. This method of conveying and straightening simultaneously greatly improves straightening efficiency, shortens the production cycle, and reduces production costs. At the same time, because the damage to the surface of the shaft workpiece is minimal during the straightening process, it also helps to improve the quality and service life of the shaft workpiece. Attached Figure Description

[0016] Figure 1 This is a first three-dimensional structural schematic diagram of a shaft workpiece straightening device according to this utility model application.

[0017] Figure 2 This is a second three-dimensional structural schematic diagram of a shaft workpiece straightening device according to this utility model application.

[0018] Figure 3 This is a first three-dimensional structural diagram of the straightening component of a shaft workpiece straightening device according to this utility model application.

[0019] Figure 4 This is a schematic diagram of the second three-dimensional structure of the straightening component of the shaft workpiece straightening device of this utility model application.

[0020] Figure 5 This is a three-dimensional structural diagram of the feeding component of the straightening assembly of a shaft workpiece straightening device according to this utility model application.

[0021] Figure 6 This is a three-dimensional structural diagram of the support component of the straightening assembly of the shaft workpiece straightening device of this utility model application.

[0022] The components in the diagram are labeled as follows: 1. Machine body; 2. Feeding assembly; 21. Feeding wheel; 22. Moving plate; 23. First rotary drive component; 231. Lead screw; 3. Support assembly; 31. Limit sleeve; 32. Lifting seat; 321. Guide wheel; 33. First telescopic drive component; 4. Straightening assembly; 41. Rotating wheel; 411. Gear ring; 412. Ring rail; 42. Straightening head; 421. Straightening ball; 43. Second telescopic drive component; 44. Second rotary drive component; 441. Drive gear; 45. Support frame; 46. Limit wheel. Detailed Implementation

[0023] To further understand the features, technical means, and specific objectives and functions achieved by this utility model application, the following detailed description of this utility model application is provided in conjunction with the accompanying drawings and specific embodiments.

[0024] Reference Figures 1-6 As shown, this utility model application provides a shaft workpiece straightening device, including: a machine body 1; a feeding assembly 2, disposed on both sides of the top of the machine body 1, for continuously conveying the shaft workpiece; a support assembly 3, having two sets disposed on the top of the machine body 1 and near the feeding assembly 2; and a straightening assembly 4, disposed at the center of the top of the machine body 1 and for straightening bent shaft workpieces. The straightening assembly 4 includes a rotating wheel 41 rotatably disposed on the top of the machine body 1 for the shaft workpiece to pass through. The rotating wheel 41 also has several straightening heads 42 distributed inside, which can approach or move away from the shaft workpiece. Each straightening head 42 also has a straightening ball 421 rotatably disposed inside, which can contact the surface of the shaft workpiece for straightening it. The straightening assembly 4 includes a second telescopic drive member 43 capable of driving the straightening heads 42 to approach or move away from the shaft workpiece.

[0025] The shaft workpiece is first continuously conveyed by the feeding assembly 2. During the conveying process, the support assembly 3 supports the shaft workpiece, ensuring its stable entry into the straightening assembly 4. When the shaft workpiece reaches the straightening assembly 4, the rotating wheel 41 begins to rotate, and simultaneously, the second telescopic drive 43 drives the straightening head 42 closer to the shaft workpiece. The straightening ball 421 inside the straightening head 42 contacts the surface of the shaft workpiece. As the rotating wheel 41 rotates, the straightening ball 421 applies a straightening force to the bent parts of the shaft workpiece, gradually restoring it to a straight state. During the straightening process, the straightening force is adjusted according to the degree of bending and diameter of the shaft workpiece.

[0026] The straightening assembly 4 also includes a gear ring 411 disposed on one side of the rotating wheel 41, and the straightening assembly 4 also includes a drive device for driving the rotating wheel 41 to rotate. The drive device includes a second rotation drive member 44 fixed on the body 1, the output end of the second rotation drive member 44 is connected to a drive gear 441, and the drive gear 441 meshes with the gear ring 411.

[0027] During the straightening process, the second rotary drive 44 is activated, and its output end drives the drive gear 441 to rotate. Since the drive gear 441 meshes with the gear ring 411 located on one side of the rotating wheel 41, the rotational motion of the drive gear 441 is transmitted to the rotating wheel 41 through the gear ring 411, causing the rotating wheel 41 to begin rotating. The rotation of the rotating wheel 41 allows the straightening ball 421 to perform a full-range straightening operation around the shaft workpiece, ensuring that any bending in any direction of the shaft workpiece is effectively corrected.

[0028] The straightening assembly 4 also includes a support frame 45 fixed on the top of the machine body 1 at the end away from the toothed ring 411. The support frame 45 has several rotatable limiting wheels 46 inside. The rotating wheel 41 is fixed on the side away from the toothed ring 411 with a ring rail 412 that cooperates with the limiting wheel 46.

[0029] When the rotating wheel 41 rotates, the ring rail 412 fixed on the side away from the toothed ring 411 also rotates. At this time, the limiting wheel 46 fixed inside the support frame 45 rolls on the ring rail 412. The cooperation between the limiting wheel 46 and the ring rail 412 restricts the axial and radial displacement of the rotating wheel 41, ensuring the stability of the rotating wheel 41 during rotation and enabling it to rotate smoothly along a predetermined trajectory.

[0030] The support assembly 3 includes a limiting sleeve 31 disposed on the top of the machine body 1, and a lifting seat 32 that can move up and down is disposed in the limiting sleeve 31. The top of the lifting seat 32 is provided with a guide wheel 321 that can support the shaft workpiece. The support assembly 3 also includes a first telescopic drive member 33 disposed on the bottom of the machine body 1 and capable of driving the lifting seat 32 to move up and down. The output end of the first telescopic drive member 33 is connected to the bottom of the lifting seat 32.

[0031] When the shaft workpiece enters the straightening device, the first telescopic drive 33 is activated according to the diameter of the shaft workpiece. The output end of the first telescopic drive 33 performs telescopic movement, driving the lifting seat 32 to move up and down within the limiting sleeve 31. Since the guide wheel 321 is located on the top of the lifting seat 32, the height of the guide wheel 321 changes accordingly as the lifting seat 32 moves. When the guide wheel 321 is adjusted to a suitable height, it can make close contact with the shaft workpiece, providing stable support for the shaft workpiece.

[0032] Each feeding assembly 2 includes a movable plate 22 that can move closer or further away synchronously, and each movable plate 22 is equipped with a feeding wheel 21 that can transport the shaft workpiece. The feeding assembly 2 also includes a motor that can drive the feeding wheel 21 to rotate (the motor is not shown in the figure, but it is actually there). The feeding assembly 2 includes a lead screw 231 that is rotatably mounted on the top of the machine body 1 and is threadedly connected to the movable plate 22. The feeding assembly 2 also includes a first rotary drive member 23 that is mounted on the machine body 1 and used to drive the lead screw 231 to rotate.

[0033] Once the spacing between the feeding wheels 21 is adjusted to the appropriate position, the motor starts, driving the feeding wheels 21 to rotate. The feeding wheels 21 contact the surface of the shaft workpiece, using friction to move the shaft workpiece forward. Driven by the feeding wheels 21, the shaft workpiece moves into the straightening assembly 4. During the feeding process, the motor continuously provides power to ensure the stable rotational speed of the feeding wheels 21, thereby enabling the shaft workpiece to be conveyed at a constant speed, ensuring the accuracy and stability of the straightening operation.

[0034] The above embodiments only illustrate one or more implementation methods of this utility model application, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of this utility model application, and these all fall within the protection scope of this utility model application. Therefore, the protection scope of this utility model application should be determined by the appended claims.

Claims

1. A shaft workpiece straightening device, characterized in that: include: Body (1); The feeding assembly (2) is set on both sides of the top of the machine body (1) and is used to continuously convey the shaft workpiece; The support assembly (3) has two sets located on the top of the body (1) and near the feeding assembly (2); The straightening component (4) is set at the center of the top of the machine body (1) and straightens the bent shaft workpiece; The straightening assembly (4) includes a rotating wheel (41) rotatably disposed on the top of the machine body (1) for the shaft workpiece to pass through. The rotating wheel (41) also has several straightening heads (42) that can approach or move away from the shaft workpiece. The straightening head (42) also has a straightening ball (421) rotatably disposed inside, which can contact the surface of the shaft workpiece for straightening the shaft workpiece.

2. The shaft workpiece straightening device according to claim 1, characterized in that: The straightening assembly (4) includes a second telescopic drive (43) capable of driving the straightening head (42) closer to or further away from the shaft workpiece.

3. The shaft workpiece straightening device according to claim 2, characterized in that: The straightening assembly (4) also includes a toothed ring (411) disposed on one side of the rotating wheel (41), and the straightening assembly (4) also includes a drive device for driving the rotating wheel (41) to rotate.

4. The shaft workpiece straightening device according to claim 3, characterized in that: The drive device includes a second rotary drive member (44) fixed on the body (1), the output end of the second rotary drive member (44) is connected to a drive gear (441), and the drive gear (441) meshes with a gear ring (411).

5. A shaft workpiece straightening device according to claim 4, characterized in that: The straightening assembly (4) also includes a support frame (45) fixed on the top of the machine body (1) away from the toothed ring (411). The support frame (45) is provided with a number of rotatable limiting wheels (46). The rotating wheel (41) is fixed with a ring rail (412) that cooperates with the limiting wheel (46) on the side away from the toothed ring (411).

6. The shaft workpiece straightening device according to claim 1, characterized in that: The support assembly (3) includes a limiting sleeve (31) set on the top of the machine body (1), and a lifting seat (32) that can move up and down is provided in the limiting sleeve (31), and a guide wheel (321) that can support the shaft workpiece is provided on the top of the lifting seat (32).

7. A shaft workpiece straightening device according to claim 6, characterized in that: The support component (3) further includes a first telescopic drive member (33) disposed at the bottom of the body (1) and capable of driving the lifting seat (32) to move up and down, and the output end of the first telescopic drive member (33) is connected to the bottom of the lifting seat (32).

8. The shaft workpiece straightening device according to claim 1, characterized in that: Each feeding assembly (2) includes a moving plate (22) that can move closer or further away synchronously, and each moving plate (22) is equipped with a feeding wheel (21) that can transport the shaft workpiece. The feeding assembly (2) also includes a motor that can drive the feeding wheel (21) to rotate. The feeding assembly (2) includes a lead screw (231) that is rotatably disposed on the top of the machine body (1) and connected to the moving plate (22) by a thread. The feeding assembly (2) also includes a first rotary drive (23) disposed on the machine body (1) and used to drive the lead screw (231) to rotate.

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