A fixing jig for transmission shaft machining

Abstract

The utility model relates to transmission shaft processing design technical field especially, a kind of fixed jig for transmission shaft processing is provided.The utility model discloses a kind of transmission shafts, including bottom plate, fixture seat installed on the bottom plate, install on the fixture seat, and symmetrically set up, for the first clamping seat and second clamping seat used to the transmission shaft of being processed are clamped fixed, install in the fixture seat, and with the first clamping seat and the second clamping seat are connected, for driving the first clamping seat and the second clamping seat each other close, to the transmission shaft is clamped fixed, or for driving the first clamping seat and the second clamping seat each other far, to loosen the drive component of transmission shaft, install on the fixture seat, another with the clamping center of the first clamping seat and the second clamping seat coaxial arrangement, for the support component used to the bottom of transmission shaft is supported.

Description

Technical Field

[0001] This utility model relates to the field of transmission shaft processing design technology, and in particular to a fixed fixture for transmission shaft processing. Background Technology

[0002] As a key component in mechanical transmission systems, drive shafts are widely used in automobiles, construction machinery, wind power generation, and other fields. Their machining accuracy directly affects the overall operational stability and service life of the machine. During the machining process of drive shafts (such as turning, grinding, drilling, and dynamic balancing), stable and reliable clamping and fixing are required to avoid quality defects caused by machining errors and vibrations. Currently, most common drive shaft fixing fixtures use manual clamping, which involves frequent manual operation, high labor intensity, and is not conducive to integration into modern production lines.

[0003] Therefore, it is necessary to propose a technical means to solve the above-mentioned defects. Utility Model Content

[0004] The present invention adopts the following technical solution:

[0005] A fixing fixture for machining a transmission shaft includes a base plate, a fixture seat mounted on the base plate, a first clamping seat and a second clamping seat mounted on the fixture seat and symmetrically arranged for clamping and fixing the transmission shaft to be machined, a drive assembly mounted in the fixture seat and connected to the first clamping seat and the second clamping seat for driving the first clamping seat and the second clamping seat to move closer to each other to clamp and fix the transmission shaft, or for driving the first clamping seat and the second clamping seat to move away from each other to release the transmission shaft, and a support assembly mounted on the fixture seat and coaxially arranged with the clamping centers of the first clamping seat and the second clamping seat for supporting the bottom of the transmission shaft.

[0006] Preferably, the driving assembly includes a first connecting plate, a second connecting plate, a third connecting plate, a fourth connecting plate, a guide plate, a slider, a first transmission gear, a second transmission gear, a first rack, a second rack, a rotating shaft, and a driving motor; the first connecting plate and the second connecting plate are installed side by side in the fixture seat and are respectively connected to the first clamping seat and the second clamping seat; the third connecting plate is installed on both sides of the first connecting plate; the fourth connecting plate is installed on both sides of the second connecting plate; the guide plate is adjacent to the first connecting plate and the second connecting plate and is perpendicular to the first connecting plate and the second connecting plate, and the guide plate is provided with a slide rail arranged along its length direction; two sliders are provided, one connected to the first connecting plate and the other to the fourth connecting plate. The second connecting plate is connected and slidably connected to the guide plate via the slide rail; the first rack and the second rack are respectively connected to the sides of the third connecting plate and the fourth connecting plate, and the first rack and the second rack are offset in the vertical direction; the first transmission gear is rotatably mounted on the inner side wall of the fixture seat, located between the first rack and the second rack, and meshes with the first rack and the second rack; the rotating shaft is adjacent to the end of the second rack away from the first rack, and its two ends are respectively rotatably mounted on the two inner side walls of the fixture seat; the second transmission gear is mounted on the outer periphery of the rotating shaft and meshes with the second rack; the drive motor is connected to the rotating shaft and is used to drive the rotating shaft to rotate.

[0007] Preferably, the first clamping seat includes a fifth connecting plate connected to the first connecting plate, a first mounting seat mounted on the fifth connecting plate, and a first arc-shaped clamping plate mounted on the first mounting seat for clamping the side of the drive shaft.

[0008] Preferably, the second clamping seat includes a sixth connecting plate connected to the second connecting plate, a second mounting seat mounted on the sixth connecting plate, and a second arc-shaped clamping plate mounted on the second mounting seat for clamping the side of the drive shaft.

[0009] Preferably, the support assembly includes an arc-shaped support plate mounted above the fixture seat for supporting the bottom of the drive shaft.

[0010] Preferably, the arc-shaped support plate is provided with an arc-shaped pressure plate; a buffer spring is provided between the arc-shaped pressure plate and the arc-shaped support plate.

[0011] The present invention relates to a fixed fixture for machining transmission shafts. Through the arrangement of a base plate, a fixture seat, a first clamping seat, a second clamping seat, a drive assembly, and a support assembly, it can efficiently and conveniently limit and fix the transmission shaft to be machined, and the clamping is stable, making it suitable for industrial applications. Attached Figure Description

[0012] Figure 1 This is an overall schematic diagram of a fixed fixture for machining a transmission shaft according to the present invention;

[0013] Figure 2 for Figure 1 A schematic diagram from another angle after the base plate has been removed;

[0014] Figure 3 This is a schematic diagram of the drive assembly of a fixed fixture for machining a transmission shaft according to the present invention. Detailed Implementation

[0015] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0016] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0017] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0018] Please see Figures 1 to 3A fixed fixture for machining a transmission shaft includes a base plate 10, a fixture seat 20 mounted on the base plate 10, a first clamping seat 30 and a second clamping seat 40 mounted on the fixture seat 20 and symmetrically arranged for clamping and fixing the transmission shaft to be machined, a drive assembly 50 mounted inside the fixture seat 20 and connected to the first clamping seat 30 and the second clamping seat 40 for driving the first clamping seat 30 and the second clamping seat 40 to move closer to each other to clamp and fix the transmission shaft, or for driving the first clamping seat 30 and the second clamping seat 40 to move away from each other to release the transmission shaft, and a support assembly 60 mounted on the fixture seat 20 and coaxially arranged with the clamping centers of the first clamping seat 30 and the second clamping seat 40 for supporting the bottom of the transmission shaft. Specifically, in this embodiment, during operation, the base plate 10 is installed and fixed on the workbench to install the clamping seats. Then, the drive shaft to be processed is placed on the support assembly 60, and the end of the drive shaft passes through the clamping center of the first clamping seat 30 and the second clamping seat 40. Subsequently, the drive assembly 50 drives the first clamping seat 30 and the second clamping seat 40 to move closer to each other, thereby limiting and fixing the drive shaft. After processing is completed, the drive assembly 50 drives the first clamping seat 30 and the second clamping seat 40 to move away from each other, thereby releasing the drive shaft, so as to replace the processed drive shaft.

[0019] The present invention relates to a fixed fixture for machining transmission shafts. Through the arrangement of a base plate 10, a fixture seat 20, a first clamping seat 30, a second clamping seat 40, a drive assembly 50, and a support assembly 60, the present invention can efficiently and conveniently limit and fix the transmission shaft to be machined, and the clamping is stable, making it suitable for industrial applications.

[0020] In one specific embodiment, the drive assembly 50 includes a first connecting plate 501, a second connecting plate 502, a third connecting plate 503, a fourth connecting plate 505, a guide plate 506, a slider 507, a first transmission gear 508, a second transmission gear 509, a first rack 510, a second rack 511, a rotating shaft 512, and a drive motor 513; the first connecting plate 501 and the second connecting plate 502 are installed side by side in the fixture base 20 and are respectively connected to the first clamping base 30 and the second clamping base 40; the third connecting plate 503 is installed on both sides of the first connecting plate 501; the fourth connecting plate 505 is installed on both sides of the second connecting plate 502; the guide plate 506 is adjacent to the first connecting plate 501 and the second connecting plate 502 and is perpendicular to the first connecting plate 501 and the second connecting plate 502, and the guide plate 506 is provided with a slide rail 504 arranged along its length direction; the slider 507 is provided with Two gears are connected to the first connecting plate 501 and the second connecting plate 502 respectively, and are slidably connected to the guide plate 506 via the slide rail 504; the first rack 510 and the second rack 511 are respectively connected to the side of the third connecting plate 503 and the fourth connecting plate 505, and the first rack 510 and the second rack 511 are staggered in the vertical direction; the first transmission gear is rotatably mounted on the inner side wall of the fixture seat 20, located between the first rack 510 and the second rack 511, and meshes with the first rack 510 and the second rack 511; the rotating shaft 512 is adjacent to the end of the second rack 511 away from the first rack 510, and its two ends are rotatably mounted on the two inner side walls of the fixture seat 20 respectively; the second transmission gear 509 is mounted on the outer periphery of the rotating shaft 512 and meshes with the second rack 511; the drive motor 513 is connected to the rotating shaft 512 and is used to drive the rotating shaft 512 to rotate.

[0021] Specifically, in this embodiment, when the first clamping seat 30 and the second clamping seat 40 need to be driven to move closer or further apart, the drive motor 513 drives the rotating shaft 512 to rotate, thereby driving the second transmission gear 509 to rotate. On the one hand, since the second transmission gear 509 meshes with the second rack 511, the second rack 511 drives the connected fourth connecting plate 505 and the second connecting plate 502 to move horizontally along the slide rail 504 of the guide plate 506 via the slider 507. On the other hand, due to the movement of the second rack 511, the connected fourth connecting plate 505 and the second connecting plate 502 are driven to move horizontally via the slider 507. The meshing first transmission gear 508 rotates, thereby driving the first rack 510, the third connecting plate 503, and the first connecting plate 501 to move horizontally along the slide rail 504 of the guide plate 506 via the slider 507. According to the rotation direction of the drive shaft 512 driven by the drive motor 513, the first connecting plate 501 and the second connecting plate 502 are driven to move closer or further away from each other in the horizontal direction via the slider 507, the slide rail 504, and the guide plate 506, thereby driving the first clamping seat 30 and the second clamping seat 40 connected to them to move closer or further away from each other.

[0022] In one specific embodiment, the first clamping base 30 includes a fifth connecting plate 301 connected to the first connecting plate 501, a first mounting base 302 mounted on the fifth connecting plate 301, and a first arc-shaped clamping plate 303 mounted on the first mounting base 302 for clamping the side of the drive shaft. Specifically, in this embodiment, the side of the first arc-shaped clamping plate 303 is provided with a first connecting block 304, and the first mounting base 302 is provided with a first mounting groove corresponding to the first connecting block 304; the first connecting block 304 is detachably mounted in the first mounting groove by screws or the like; through the above arrangement, the size of the first arc-shaped plate can be effectively changed, thereby meeting the clamping requirements of various drive shafts.

[0023] In one specific embodiment, the second clamping base 40 includes a sixth connecting plate 401 connected to the second connecting plate 502, a second mounting base 402 mounted on the sixth connecting plate 401, and a second arc-shaped clamping plate 403 mounted on the second mounting base 402 for clamping the side of the drive shaft. Specifically, in this embodiment, the side of the second arc-shaped clamping plate 403 is provided with a second connecting block 404, and the second mounting base 402 is provided with a second mounting groove corresponding to the second connecting block 404; the second connecting block 404 is detachably mounted in the second mounting groove by screws or the like; through the above arrangement, the size of the second arc-shaped plate can be effectively changed, thereby meeting the clamping requirements of various drive shafts.

[0024] Furthermore, the upper part of the fixture base 20 is provided with a clearance groove for the fifth connecting plate 301 and the sixth connecting plate 401 to move.

[0025] In one specific embodiment, the support assembly 60 includes an arc-shaped support plate 601 mounted above the fixture base 20 for supporting the bottom of the drive shaft. The bottom of the arc-shaped support plate 601 is provided with an electrically operated telescopic rod 604 connected to the fixture base 20. In this embodiment, the drive shaft is supported by the arc-shaped support plate 601, and the height of the arc-shaped support plate 601 is adjusted by the electrically operated telescopic rod 604 so that the arc-shaped support plate 601 can effectively meet the clamping height requirements of the first clamping seat 30 and the second clamping seat 40.

[0026] In one specific embodiment, an arc-shaped support plate 601 is provided with an arc-shaped pressure plate 602; a buffer spring 603 is provided between the arc-shaped pressure plate 602 and the arc-shaped support plate 601. In this embodiment, the drive shaft is placed on the arc-shaped pressure plate 602. The buffer spring 603 effectively avoids damage to the drive shaft during support and improves the stability of the drive shaft when clamped and fixed.

[0027] The present invention relates to a fixed fixture for machining transmission shafts. Through the arrangement of a base plate 10, a fixture seat 20, a first clamping seat 30, a second clamping seat 40, a drive assembly 50, and a support assembly 60, the present invention can efficiently and conveniently limit and fix the transmission shaft to be machined, and the clamping is stable, making it suitable for industrial applications.

[0028] The above embodiments only illustrate several implementation methods of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A fixing fixture for machining a transmission shaft, characterized in that: The device includes a base plate, a fixture seat mounted on the base plate, a first clamping seat and a second clamping seat mounted on the fixture seat and symmetrically arranged for clamping and fixing the drive shaft to be processed, a drive assembly mounted in the fixture seat and connected to the first clamping seat and the second clamping seat for driving the first clamping seat and the second clamping seat to move closer to each other to clamp and fix the drive shaft, or for driving the first clamping seat and the second clamping seat to move away from each other to release the drive shaft, and a support assembly mounted on the fixture seat and coaxially arranged with the clamping center of the first clamping seat and the second clamping seat for supporting the bottom of the drive shaft.

2. The fixed fixture for machining a transmission shaft according to claim 1, characterized in that: The driving assembly includes a first connecting plate, a second connecting plate, a third connecting plate, a fourth connecting plate, a guide plate, a slider, a first transmission gear, a second transmission gear, a first rack, a second rack, a rotating shaft, and a drive motor. The first connecting plate and the second connecting plate are mounted side by side in the fixture base and are respectively connected to the first clamping seat and the second clamping seat. The third connecting plate is mounted on both sides of the first connecting plate. The fourth connecting plate is mounted on both sides of the second connecting plate. The guide plate is adjacent to the first connecting plate and the second connecting plate and is perpendicular to the first connecting plate and the second connecting plate, and the guide plate is provided with a slide rail arranged along its length. Two sliders are provided, one connected to the first connecting plate and the other to the second connecting plate. The connecting plates are connected and slidably connected to the guide plate via the slide rail; the first rack and the second rack are respectively connected to the sides of the third connecting plate and the fourth connecting plate, and the first rack and the second rack are offset in the vertical direction; the first transmission gear is rotatably mounted on the inner side wall of the fixture seat, located between the first rack and the second rack, and meshes with the first rack and the second rack; the rotating shaft is adjacent to the end of the second rack away from the first rack, and its two ends are respectively rotatably mounted on the two inner side walls of the fixture seat; the second transmission gear is mounted on the outer periphery of the rotating shaft and meshes with the second rack; the drive motor is connected to the rotating shaft and is used to drive the rotating shaft to rotate.

3. The fixed fixture for machining a transmission shaft according to claim 2, characterized in that: The first clamping seat includes a fifth connecting plate connected to the first connecting plate, a first mounting seat mounted on the fifth connecting plate, and a first arc-shaped clamping plate mounted on the first mounting seat for clamping the side of the transmission shaft.

4. The fixed fixture for machining a transmission shaft according to claim 2, characterized in that: The second clamping seat includes a sixth connecting plate connected to the second connecting plate, a second mounting seat mounted on the sixth connecting plate, and a second arc-shaped clamping plate mounted on the second mounting seat for clamping the side of the transmission shaft.

5. The fixed fixture for machining a transmission shaft according to claim 1, characterized in that: The support assembly includes an arc-shaped support plate mounted above the fixture seat for supporting the bottom of the drive shaft.

6. The fixed fixture for machining a transmission shaft according to claim 5, characterized in that: The arc-shaped support plate is provided with an arc-shaped pressure plate; a buffer spring is provided between the arc-shaped pressure plate and the arc-shaped support plate.

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