Fan-shaped turbine press-fit positioning tool

Abstract

The utility model provides a fan-shaped turbine press-fit positioning tool which comprises a base, a positioning groove used for containing a fan-shaped turbine is formed in the top face of the base, and the inner contour of the positioning groove is matched with the outer contour of the fan-shaped turbine. A positioning hole is formed in the circle center of the positioning groove, and the positioning hole and a shaft hole of the fan-shaped turbine are coaxially arranged; a support is further arranged on the base, a limiting hole matched with the top end of the force output shaft is formed in the top face of the support and used for restraining the pressing direction of the force output shaft, and the bottom end of the force output shaft is sequentially inserted into the shaft hole and the positioning hole. The positioning groove is formed in the base to restrain the position and the angle of the fan-shaped turbine, the support is arranged on the base, and the limiting hole is formed in the top face of the support to restrain the position and the angle of the output shaft, so that the output shaft and the fan-shaped turbine are subjected to press-fit operation at a specific angle; angle deviation occurring when the output shaft and the fan-shaped turbine are in press-fit is eliminated, and appearance consistency after press-fit is guaranteed.

Description

Technical Field

[0001] The present application relates to the technical field of turbine press fitting, and in particular to a fan-shaped turbine press fitting positioning tool. Background Art

[0002] Before the output shaft and turbine are installed on the actuator as a whole, the turbine must be press-fitted onto the output shaft. For a 360° circular turbine, it can be press-fitted in any direction. The customized fan-shaped turbine has strict technical requirements for the angle after installation with the output shaft. The fan-shaped turbine is completely dependent on the experience of the press-fitting workers and visual alignment during press-fitting. The angle deviation is often too large, and the actuator stroke angle is not enough, resulting in rework. In addition, the press-fitting workers have different experiences, and the press-fitting angles are uneven, making it impossible to ensure the consistency of appearance. Summary of the invention

[0003] The present application provides a fan-shaped turbine press-fitting and positioning tool, which solves the problem of large angle deviation that often occurs when the fan-shaped turbine and the output shaft are manually press-fitted.

[0004] The present application provides a fan-shaped turbine press-fitting positioning tool, comprising a base, the top surface of the base is provided with a positioning groove for accommodating the fan-shaped turbine, the internal contour of the positioning groove matches the external contour of the fan-shaped turbine; a positioning hole is opened at the center of the positioning groove, and the positioning hole is coaxially arranged with the axial hole of the fan-shaped turbine; the base is also provided with a support, the top surface of the support is provided with a limiting hole matching the top end of the output shaft, which is used to constrain the press-fitting direction of the output shaft, and the bottom end of the output shaft is inserted into the axial hole and the positioning hole in sequence.

[0005] In the technical solution provided in the present application, a positioning groove is provided on the base to constrain the position and angle of the fan-shaped turbine, a support is provided on the base, and a limiting hole is provided on the top surface of the support to constrain the position and angle of the output shaft, so that the output shaft and the fan-shaped turbine are press-fitted at a specific angle, eliminating the angular deviation that occurs when the output shaft and the fan-shaped turbine are press-fitted, and ensuring the consistency of the appearance after press-fitting.

[0006] In some embodiments, the support is a hollow semi-cylindrical shape, the bottom end of the support is an opening, and the support is coaxially arranged with the positioning hole; by designing the support as a hollow semi-cylindrical shape, it is convenient to install the output shaft, and to facilitate the removal of the output shaft after being pressed into the fan-shaped turbine.

[0007] In some embodiments, the top end of the output shaft is a square shaft, and the limiting hole is a square hole matching the square shaft. The square shaft and the square hole cooperate to conveniently and accurately constrain the press-fit angle of the output shaft; the square hole is only half, which is convenient for installing the output shaft.

[0008] In some embodiments, the top surface of the base is provided with a slot for installing the support, and the bottom of the support is inserted into the slot and detachably connected to the base, so as to facilitate replacement of the support with limiting holes of different profiles and sizes according to the requirements of press fitting.

[0009] In some embodiments, the inner wall of the shaft hole is provided with an internal spline, the outer wall of the bottom end of the output shaft is provided with an external spline, the output shaft and the shaft hole of the fan-shaped turbine are connected through the spline, and the transmission structure of the output shaft and the fan-shaped turbine is more stable after press-fitting.

[0010] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The drawings in this application are used to illustrate preferred embodiments, so that those skilled in the art can clearly understand various other advantages and benefits, and should not be considered as limitations of this application. In addition, the same reference numerals are used throughout the drawings to represent the same or similar components.

[0012] Figure 1 A three-dimensional diagram of a fan-shaped turbine press fitting and positioning tooling for this application;

[0013] Figure 2 This is a schematic diagram of the assembly structure of the positioning tool, the fan-shaped turbine, and the output shaft in one embodiment of the present application;

[0014] Figure 3 This is an exploded schematic diagram of a positioning tool, a fan-shaped turbine, and an output shaft in one embodiment of the present application;

[0015] Figure 4 This is a schematic diagram of the structure of a fan-shaped turbine and an output shaft after being press-fitted on a positioning fixture in one embodiment of the present application;

[0016] Icons: 1. Base; 2. Positioning groove; 3. Fan-shaped turbine; 4. Positioning hole; 5. Shaft hole; 6. Support; 7. Output shaft; 8. Limit hole; 9. Slot. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0018] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0019] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two (including two), unless otherwise clearly and specifically defined.

[0020] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of the associated objects, indicating that there may be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0021] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the embodiments of the present application.

[0022] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0023] See also Figure 1-Figure 3The embodiment of the present application provides a fan-shaped turbine press-fitting positioning tool, including a base 1, the top surface of the base 1 is provided with a positioning groove 2 for accommodating the fan-shaped turbine 3, and the internal contour of the positioning groove 2 matches the external contour of the fan-shaped turbine 3; a positioning hole 4 is opened at the center of the positioning groove 2 (and the positioning hole 4 matches the bottom of the output shaft 7), and the positioning hole 4 is coaxially arranged with the shaft hole 5 of the fan-shaped turbine 3; the base 1 is also provided with a support 6, and the top surface of the support 6 is provided with a limiting hole 8 matching the top end of the output shaft 7, which is used to constrain the press-fitting direction of the output shaft 7, and the bottom end of the output shaft 7 is inserted into the shaft hole 5 and the positioning hole 4 in sequence.

[0024] In the technical solution provided in the embodiment of the present application, a positioning groove 2 is provided on the base 1 to constrain the position and angle of the fan-shaped turbine 3, a support 6 is provided on the base 1, and a limiting hole 8 is provided on the top surface of the support 6 to constrain the position and angle of the output shaft 7, so that the output shaft 7 and the fan-shaped turbine 3 are press-fitted at a specific angle, thereby eliminating the angular deviation that occurs when the output shaft 7 and the fan-shaped turbine 3 are press-fitted, and ensuring the consistency of the appearance after press-fitting.

[0025] Please continue reading Figure 1 In a specific embodiment, the positioning groove 2 includes a fan-shaped groove and a circular groove, the fan-shaped groove and the circular groove are concentrically arranged, the inner diameter of the circular groove matches the outer diameter of the shaft of the fan-shaped turbine 3, and the angle of the fan-shaped groove matches the fan surface angle of the fan-shaped turbine 3.

[0026] Please continue reading Figure 1 In some embodiments, the support 6 is a hollow semi-cylindrical shape, the bottom end of the support 6 is an opening, and the support 6 is coaxially arranged with the positioning hole 4; by designing the support 6 as a hollow semi-cylindrical shape, it is convenient to install the output shaft 7, and it is convenient to remove the output shaft 7 after press-fitting with the fan-shaped turbine 3.

[0027] Please continue reading Figure 2 , Figure 3 In some embodiments, the top end of the output shaft 7 is a square shaft, and the limiting hole 8 is a square hole matching the square shaft. The square shaft and the square hole cooperate to conveniently and accurately constrain the press-fit angle of the output shaft 7; the square hole is only half, which is convenient for installing the output shaft 7.

[0028] In a specific implementation, the square shaft and the square hole may be a square shaft, a square hole, a hexagonal shaft, a hexagonal hole, an octagonal shaft, an octagonal hole, etc.

[0029] Please continue reading Figure 3 In some embodiments, the top surface of the base 1 is provided with a slot 9 for installing the support 6, and the bottom of the support 6 is inserted into the slot 9 and is detachably connected to the base 1, so that the support 6 with different contours and size limit holes 8 can be replaced according to the press-fit requirements.

[0030] In some embodiments, the inner wall of the shaft hole 5 is provided with an internal spline, and the outer wall of the bottom end of the output shaft 7 is provided with an external spline. The output shaft 7 is connected to the shaft hole 5 of the fan-shaped turbine 3 through a spline. After press-fitting, the transmission structure of the output shaft 7 and the fan-shaped turbine 3 is more stable.

[0031] The working process of the positioning device in this embodiment is as follows:

[0032] First, place the base 1 on a flat work surface, put the fan-shaped turbine 3 to be press-fitted into the positioning groove 2 on the base 1, then put the output shaft 7 to be press-fitted into the support 6, and insert the square shaft at the top of the output shaft 7 into the square hole of the support 6, so that the output shaft 7 and the fan-shaped turbine 3 maintain a specific assembly angle (horizontal angle), and then extend the bottom of the output shaft 7 into the shaft hole 5 of the fan-shaped turbine 3, and finally press down the top end face of the output shaft 7 through the press head to move the output shaft 7 downward, and the external spline of the output shaft 7 is connected and fixed with the internal spline of the shaft hole 5 of the fan-shaped turbine 3, and the press fitting is completed. Figure 4 shown.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, a person of ordinary skill in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some or all of the technical features therein can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims

1. A fan-shaped turbine press fitting and positioning tool, characterized in that: The invention comprises a base (1), wherein the top surface of the base (1) is provided with a positioning groove (2) for accommodating a fan-shaped turbine (3), and the inner contour of the positioning groove (2) matches the outer contour of the fan-shaped turbine (3); a positioning hole (4) is opened at the center of the positioning groove (2), and the positioning hole (4) is coaxially arranged with the shaft hole (5) of the fan-shaped turbine (3); the base (1) is also provided with a support (6), and the top surface of the support (6) is provided with a limiting hole (8) matching the top end of the output shaft (7) for restricting the press-fit direction of the output shaft (7), and the bottom end of the output shaft (7) is inserted into the shaft hole (5) and the positioning hole (4) in sequence.

2. A fan-shaped turbine press-fitting and positioning tool according to claim 1, characterized in that: The support (6) is in the shape of a hollow semi-cylinder, the bottom end of the support (6) is open, and the support (6) and the positioning hole (4) are coaxially arranged.

3. A fan-shaped turbine press-fitting and positioning tool according to claim 1, characterized in that: The top end of the output shaft (7) is a square shaft, and the limiting hole (8) is a square hole matching the square shaft.

4. A fan-shaped turbine press-fitting and positioning tool according to claim 1, characterized in that: The top surface of the base (1) is provided with a slot (9) for mounting the support (6), and the bottom of the support (6) is inserted into the slot (9) and is detachably connected to the base (1).

5. The fan-shaped turbine press-fitting and positioning tool according to claim 1, characterized in that: The inner wall of the shaft hole (5) is provided with an inner spline, the outer wall of the bottom end of the output shaft (7) is provided with an outer spline, and the output shaft (7) is connected to the shaft hole (5) of the fan-shaped turbine (3) via the spline.

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