Positioning mechanism for spline shaft production and machining

Abstract

The utility model relates to a positioning mechanism for spline shaft production and processing, which belongs to the technical field of automobile machinery manufacturing and comprises a support frame, a positioning component, a support component and a limiting component. The supporting assembly comprises a supporting frame, a supporting plate is fixedly connected to the supporting frame, a rope is arranged on the supporting plate, a steering wheel is rotationally connected to the supporting frame, the outer wall of the rope is attached to the outer wall of the steering wheel, and a supporting ring is fixedly connected to the bottom end of the steering wheel. By arranging the supporting assembly, it is avoided that due to the fact that one end of the spline shaft is too heavy, the axis deviates in the machining process, and precision is affected, the supporting structure can support the heavy end, the spline shaft keeps the stable position and posture in the machining process, and when the spline shaft key groove is milled, the stable spline shaft can guarantee the size precision, the position precision and the surface quality of the key groove; size deviation and shape errors are reduced, and the product percent of pass is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile machinery manufacturing relates to a spline shaft production and processing positioning mechanism. BACKGROUND

[0002] The spline shaft is a component for transmitting mechanical torque in mechanical transmission, and the machining precision of the spline shaft is crucial in automobile machinery manufacturing, which directly affects the performance and stability of the automobile transmission system.

[0003] According to the search publication (announcement) No. CN222244459U, a spline shaft machining positioning tool is disclosed, which discloses the technical scheme of "including clamping module, adjusting module, vertical plate, supporting plate, wherein the adjusting module includes two through holes, two through holes are arranged on the upper part of the corresponding vertical plate, two corresponding cylinders are movably connected in the two through holes, two corresponding worm gears are fixedly connected with the two cylinders, two corresponding worms are meshed with the two worm gears, and two corresponding vertical plates are fixedly connected with the two sides of the two worms through bearing seats", which has the technical effects of positioning different spline shafts through the clamping module, effectively preventing the spline shaft from moving during machining, thereby improving the machining efficiency, adjusting the angle of the spline shaft according to different machining positions of the spline shaft, rotating the spline shaft to the desired machining position through the adjusting module, and making the spline shaft machining more convenient and practical.

[0004] However, the above-mentioned comparative document realizes the positioning of different spline shafts through the clamping module, effectively prevents the spline shaft from moving during machining, but in actual use, although it solves the problem of spline shaft positioning to a certain extent, it still has some problems. When machining a long spline shaft, one end is too heavy, which may cause the axis to deviate during machining, affecting the machining precision. In the process of milling keyway, such axis deviation may cause size deviation of keyway, reduce position accuracy and surface quality, and further reduce product qualification rate.

[0005] To solve the above problems, a spline shaft production and processing positioning mechanism is provided in the present application. Utility model content

[0006] The utility model provides a spline shaft production and processing positioning mechanism aiming at the technical problems existing in the prior art.

[0007] The utility model discloses a positioning mechanism for spline shaft production and processing, including support frame, be provided with positioning assembly on the support frame, be provided with support subassembly on the support frame, be provided with limiting component on the support frame, the support subassembly includes the support plate fixedly connected with on the support frame, be provided with the rope on the support plate, be rotatably connected with the deflection wheel on the support frame, the outer wall of rope and the outer wall of deflection wheel are pasted, the bottom fixedly connected with the support ring of deflection wheel, the recess is seted up on the support plate, the support plate is slidably connected with the connecting rod through recess, the fixedly connected with round bar of connecting rod, the one end of support plate is seted up with round groove close to round bar, the outer wall of round bar and the round groove seted up of support plate are pasted.

[0008] The positioning assembly includes a limiting shell, a threaded rod is rotatably connected to the inner wall of the limiting shell, a connecting block is fixedly connected to the top of the threaded rod, a dynamic plate is threadedly connected to the threaded rod, and a static plate is fixedly connected to the inner bottom wall of the limiting shell. By setting the positioning assembly, different sizes of spline shafts can be clamped and positioned.

[0009] The limiting component includes a fixed plate fixedly connected to one side of the support frame close to the support ring, a spring is fixedly connected to the fixed plate, an arc-shaped plate is fixedly connected to one end of the spring close to the support ring, and the outer wall of the arc-shaped plate away from the spring is pasted with the outer wall of the support ring. By setting the limiting component, the limiting of the support ring is realized.

[0010] The inner wall of the support ring is fixedly connected with a spherical ball, and a rotating ring is arranged on the inner wall of the support ring. The outer wall of the rotating ring is pasted with the outer wall of the spherical ball. By setting the spherical ball and the rotating ring, the convenient rotation of the spline shaft is realized.

[0011] The inner wall of the rotating ring is fixedly connected with a magnetic plate. By setting the magnetic plate, the connection of the rotating ring and the spline shaft is realized.

[0012] The end of the support plate away from the recess is fixedly connected with a rocker. By setting the rocker, the quick storage of the rope is realized.

[0013] The top of the support frame is fixedly connected with a rotating wheel, and the outer wall of the rope is pasted with the outer wall of the rotating wheel. By setting the rotating wheel, the protection of the rope is realized.

[0014] The utility model discloses a positioning mechanism for spline shaft production and processing, including support frame, be provided with positioning assembly on the support frame, be provided with support subassembly on the support frame, be provided with limiting component on the support frame, the support subassembly includes the support plate fixedly connected with on the support frame, be provided with the rope on the support plate, be rotatably connected with the deflection wheel on the support frame, the outer wall of rope and the outer wall of deflection wheel are pasted, the bottom fixedly connected with the support ring of deflection wheel, the recess is seted up on the support plate, the support plate is slidably connected with the connecting rod through recess, the fixedly connected with round bar of connecting rod, the one end of support plate is seted up with round groove close to round bar, the outer wall of round bar and the round groove seted up of support plate are pasted.

[0015] By setting the support subassembly, the overloading of one end of the spline shaft is avoided, the axis is not easy to deviate during processing, the precision is influenced, the support structure can hold up the heavy end, the spline shaft can keep the stable position and posture during processing, the stable spline shaft can guarantee the size precision, position precision and surface quality of the spline shaft keyway during milling the spline shaft keyway, the size deviation and shape error are reduced, and the product qualified rate is improved.

[0016] By setting the limiting assembly, the limiting of the supporting ring is realized, the supporting ring is avoided from shaking when the spline shaft is processed, the efficiency of placing the spline shaft to the supporting ring is affected, and thus the processing efficiency of the spline shaft is avoided from being affected. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view for displaying the utility model;

[0018] Figure 2 It is a structure schematic view for displaying the rope and its related parts for displaying the utility model;

[0019] Figure 3 It is a structure schematic view for displaying the fixed plate and its related parts for displaying the utility model;

[0020] Figure 4 It is a structure schematic view for displaying the round rod and its related parts for displaying the utility model;

[0021] Figure 5 It is a structure schematic view for displaying the limiting shell and its related parts for displaying the utility model.

[0022] In the drawings, the component list represented by each sign is as follows:

[0023] 1, support frame;

[0024] 2, positioning assembly; 201, limiting shell; 202, threaded rod; 203, connecting block; 204, static plate; 205, dynamic plate;

[0025] 3, supporting assembly; 301, supporting plate; 302, rope; 303, steering wheel; 304, supporting ring; 305, groove; 306, connecting rod; 307, round rod; 308, round groove;

[0026] 4, limiting assembly; 401, fixed plate; 402, spring; 403, arc plate;

[0027] 5, round ball; 6, rotating ring; 7, magnetic plate; 8, rocker; 9, rotating wheel. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0029] In the description of the present application, the terms "first", "second", are used only for descriptive purposes and are not to be construed as indicating or implying relative importance or an indicated number of technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0030] In the description of the present application, the term "for example" is used to indicate "as an example, illustration or description". Any embodiment described as "for example" in the present application is not necessarily interpreted as more preferred or more advantageous than other embodiments. The following description is given in order to enable any person skilled in the art to implement and use the present application. In the following description, details are listed for the purpose of explanation. It should be understood that those skilled in the art can recognize that the present application can be implemented without using these specific details. In other examples, well-known structures and processes will not be described in detail to avoid unnecessary details making the description of the present application obscure. Therefore, the present application is not intended to be limited to the embodiments shown, but is consistent with the broadest scope consistent with the principles and features disclosed in the present application.

[0031] Reference Figures 1-5 A positioning mechanism for spline shaft production and processing, comprising a support frame 1, a positioning assembly 2 is arranged on the support frame 1, the positioning assembly 2 is used for clamping spline shafts of different sizes, a support assembly 3 is arranged on the support frame 1, the support assembly 3 is used for providing support force to the spline shaft, a limiting assembly 4 is arranged on the support frame 1; the limiting assembly 4 is used for limiting the parts on the support assembly 3, the support assembly 3 comprises a support plate 301 fixedly connected to the support frame 1, a rope 302 is arranged on the support plate 301, the support plate 301 is used for accommodating the rope 302, a steering wheel 303 is rotatably connected to the support frame 1, the steering wheel 303 is used for changing the direction of the rope 302, the outer wall of the rope 302 is attached to the outer wall of the steering wheel 303, the bottom end of the steering wheel 303 is fixedly connected with a support ring 304, the steering wheel 303 is used to pull the support ring 304 to provide support force, a groove 305 is formed in the support plate 301, the support plate 301 is slidably connected with a connecting rod 306 through the groove 305, the groove 305 is used to realize the sliding and accommodation of the connecting rod 306, the connecting rod 306 is used to realize the rotation of the support plate 301, a round rod 307 is fixedly connected to the connecting rod 306, a circular groove 308 is formed in one end of the support plate 301 close to the round rod 307, the outer wall of the round rod 307 is attached to the circular groove 308 formed in the support plate 301, the cooperation of the round rod 307 and the circular groove 308 can realize the fixation of the connecting rod 306.

[0032] ReferenceFigure 1 And Figure 5 The positioning assembly 2 comprises a limiting shell 201 for connecting with the adjusting ring arranged on the support frame 1, the inner wall of the limiting shell 201 is rotationally connected with a threaded rod 202, the threaded rod 202 is used for connecting the threaded rod 202, the top of the threaded rod 202 is fixedly connected with a connecting block 203, the connecting block 203 is used for connecting an external driving source, so as to realize the rotation of the threaded rod 202, the threaded rod 202 is threadedly connected with a moving plate 205, the rotation of the threaded rod 202 can drive the moving plate 205 to move up and down, the inner bottom wall of the limiting shell 201 is fixedly connected with a static plate 204, and the cooperation of the moving plate 205 and the static plate 204 can clamp and position the spline shaft of different sizes.

[0033] Referring to Figure 3 And Figure 4 The limiting assembly 4 comprises a fixed plate 401 fixedly connected to one side of the support frame 1 close to the support ring 304, the fixed plate 401 is fixedly connected with a spring 402, the fixed plate 401 is used for fixing the spring 402, one end of the spring 402 close to the support ring 304 is fixedly connected with an arc-shaped plate 403, the arc-shaped plate 403 is used for providing an opposite force when the spring 402 moves, and the side of the arc-shaped plate 403 away from the spring 402 is attached to the outer wall of the support ring 304. The arc-shaped plate 403 is used for fixing the support ring 304 to avoid the shaking of the support ring 304.

[0034] Referring to Figure 3 The inner wall of the support ring 304 is fixedly connected with a spherical ball 5, and the inner wall of the support ring 304 is provided with a rotating ring 6, the outer wall of the rotating ring 6 is attached to the outer wall of the spherical ball 5. The cooperation of the spherical ball 5 and the rotating ring 6 can realize the convenient rotation of the spline shaft, so as to avoid the difficulty in adjusting the spline shaft.

[0035] Referring to Figure 3 The inner wall of the rotating ring 6 is fixedly connected with a magnetic plate 7, the magnetic plate 7 is used for connecting the rotating ring 6 and the spline shaft, avoiding the disengagement of the support ring 304 when fixing the spline shaft, so as to avoid affecting the support of the spline shaft.

[0036] Referring to Figure 4 One end of the support plate 301 away from the groove 305 is fixedly connected with a rocker 8, the rocker 8 is used for realizing the quick storage of the rope 302, so as to avoid affecting the machining efficiency of the spline shaft.

[0037] Referring to Figure 3 And Figure 4The top of the support frame 1 is fixedly connected with a rotating wheel 9, the outer wall of the rope 302 is attached to the outer wall of the rotating wheel 9, and the rotating wheel 9 is used to realize protection of the rope 302, so as to avoid wear of the rope 302 during use, thereby avoiding affecting the supporting effect of the support ring 304 on the spline shaft.

[0038] Working principle:

[0039] The positioning mechanism for spline shaft production and processing is used to clamp and position the spline shaft through the movable plate 205 and the static plate 204, so as to facilitate processing of the spline shaft. If the spline shaft to be processed is long, the worker can pull out the circular rod 307 from the inside of the circular groove 308 through the connecting rod 306, and then place one end of the spline shaft on the support ring 304, so that the support ring 304 moves with the end point of the spline shaft. After the spline shaft is moved, the worker can insert the circular rod 307 into the inside of the circular groove 308 through the connecting rod 306, so as to realize rotation of the support plate 301, thereby realizing support of one end of the spline shaft. After the spline shaft is processed, the worker can store the rope 302 through the rocker 8. After the support ring 304 is moved by the rope 302, the support ring 304 can be fixed through cooperation of the arc-shaped plate 403 and the spring 402, so as to avoid affecting subsequent use, thereby avoiding affecting the processing efficiency of the spline shaft.

[0040] Although the preferred embodiments of the present application have been described, those skilled in the art who have the basic inventive concept can make further changes and modifications to the embodiments. Therefore, the appended claims are intended to include the preferred embodiments and all changes and modifications falling within the scope of the present application.

[0041] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. A positioning mechanism for spline shaft production and processing, comprising a support frame (1), characterized in that, The support frame (1) is provided with a positioning assembly (2), the support frame (1) is provided with a support assembly (3), and the support frame (1) is provided with a limiting assembly (4); The support assembly (3) comprises a support plate (301) fixedly connected to the support frame (1), a rope (302) arranged on the support plate (301), and a steering wheel (303) rotatably connected to the support frame (1), wherein the outer wall of the rope (302) is attached to the outer wall of the steering wheel (303), the bottom end of the steering wheel (303) is fixedly connected with a support ring (304), the support plate (301) is provided with a groove (305), the support plate (301) is slidably connected with a connecting rod (306) through the groove (305), the connecting rod (306) is fixedly connected with a round rod (307), one end of the support plate (301) close to the round rod (307) is provided with a circular groove (308), and the outer wall of the round rod (307) is attached to the circular groove (308) of the support plate (301).

2. The positioning mechanism for spline shaft production and processing according to claim 1, characterized in that, The positioning assembly (2) comprises a limiting shell (201), a threaded rod (202) rotatably connected to the inner wall of the limiting shell (201), a connecting block (203) fixedly connected to the top of the threaded rod (202), and a dynamic plate (205) threadedly connected to the threaded rod (202).

3. The positioning mechanism for spline shaft production and processing according to claim 1, characterized in that, The limiting assembly (4) comprises a fixed plate (401) fixedly connected to one side of the support frame (1) close to the support ring (304), a spring (402) fixedly connected to the fixed plate (401), and an arc-shaped plate (403) fixedly connected to one end of the spring (402) close to the support ring (304), wherein the outer wall of the arc-shaped plate (403) away from the spring (402) is attached to the outer wall of the support ring (304).

4. The positioning mechanism for spline shaft production and processing according to claim 1, characterized in that, The inner wall of the support ring (304) is fixedly connected with a spherical ball (5), and the inner wall of the support ring (304) is provided with a rotating ring (6), wherein the outer wall of the rotating ring (6) is attached to the outer wall of the spherical ball (5).

5. The positioning mechanism for spline shaft production and processing according to claim 4, characterized in that, The inner wall of the rotating ring (6) is fixedly connected with a magnetic plate (7).

6. The positioning mechanism for spline shaft production and processing according to claim 1, characterized in that, The end of the support plate (301) away from the groove (305) is fixedly connected with a rocker (8).

7. The positioning mechanism for spline shaft production and processing according to claim 1, characterized in that, The top of the support frame (1) is fixedly connected with a rotating wheel (9), and the outer wall of the rope (302) is attached to the outer wall of the rotating wheel (9).

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