Pipe part chambering and positioning tool
By using adjustable positioning wheels and an automated adjustment mechanism, the problem of inaccurate positioning in the processing of pipe parts has been solved, achieving efficient and accurate positioning of pipes with different diameters and curvatures, thus improving processing quality and efficiency.
Patent Information
- Application Number
- CN202422686057.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-11-05
AI Technical Summary
In the current processing of tubular parts, especially the processes of reaming and drilling, manual operation is required, which results in low positioning accuracy, high labor intensity, and difficulty in adapting to tubular parts of different diameters and curvatures, thus affecting processing quality and efficiency.
It adopts an adjustable positioning wheel design and an automated adjustment mechanism. The spacing between the positioning wheels is adjusted by a screw driven by a micro motor. Combined with the concave structure of the positioning wheels, it can adapt to pipes of different diameters and curvatures to achieve precise positioning.
It improves processing flexibility and versatility, ensures processing accuracy and finished product quality, reduces manual adjustment time, and improves production efficiency.
Smart Images

Figure CN223491883U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pipe parts processing technology, and in particular to a hole-expanding and positioning tooling for pipe parts. Background Technology
[0002] In the machining of tubular parts, especially in precision processes such as reaming and drilling, manual operation is crucial. This requires operators with extensive experience to judge and adjust the position of the tubular parts, and it is also labor-intensive. Positioning accuracy is limited by human perception and operational skills, making it difficult to achieve high precision and repeatability. For irregularly shaped or curved tubular parts, manual positioning is even more difficult to guarantee in terms of accuracy and efficiency.
[0003] Some fixed-size positioning fixtures exist on the market, but they are only suitable for pipe fittings of a specific diameter and are poorly adaptable to production needs with varying dimensions. Frequent fixture changes are required when processing pipe fittings of different diameters, increasing preparation time and reducing production efficiency. During processing, especially when enlarging holes in thin-walled or flexible pipe fittings, uneven stress can easily cause deformation. If the positioning device cannot effectively adapt to this deformation, it may lead to positional shifts, affecting processing quality. Furthermore, traditional positioning methods struggle to stably fix bent pipe fittings, increasing processing difficulty.
[0004] Based on the above background, this utility model proposes a positioning fixture for expanding holes in tubular parts. Through an innovative adjustable positioning wheel design combined with an automated adjustment mechanism, it effectively solves the limitations of traditional technologies and meets the urgent needs of modern industrial production for efficient, accurate, and flexible positioning. Utility Model Content
[0005] In order to solve the above-mentioned technical problems, the present invention provides the following technical solution.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A positioning fixture for enlarging holes in tubular parts includes an installation assembly and positioning assemblies fixed at equal intervals on the upper part of the installation assembly; the installation assembly includes a base plate, a support foot fixed to the middle position of the upper side of the base plate, a mounting frame fixed to the upper end of the support foot, a bracket fixed to the side of the mounting frame, and a support plate fixed to the outer end of the bracket.
[0008] The positioning assembly includes a positioning plate movably disposed on the outer side of the bracket, a positioning wheel one fixed to the end of the positioning plate, a support adapted to be installed inside the bracket, a positioning wheel two fixed to the outer side of the support, a screw threadedly installed to the support, and a micro motor for driving the screw rotation.
[0009] Preferably, the edge of the base plate is provided with positioning holes for fastener installation, and the base plate is fixed to the external processing table by fasteners.
[0010] Preferably, the support plate is fixed to the upper side of the base plate, and the micro motor is fixed to the outer side of the support plate.
[0011] Preferably, the screw is movably disposed inside the bracket, and the outer end of the screw is connected to the output shaft of the micro motor by a support plate.
[0012] Preferably, the first positioning wheel and the second positioning wheel are arranged in a triangular pattern, and the interior of the first positioning wheel and the second positioning wheel are recessed.
[0013] Preferably, the bracket has a groove on its side for fastener installation, and the bracket is fixed to the side of the positioning plate by fasteners.
[0014] Preferably, the tubular parts are held between the first positioning wheel and the second positioning wheel.
[0015] Compared with the prior art, the present invention has the following beneficial effects:
[0016] This utility model features an adjustable spacing design between positioning wheels one and two, enabling the positioning fixture to adapt to pipe parts of different diameters, especially exhibiting excellent adaptability to pipes with varying degrees of curvature. This significantly broadens the application range of the fixture and improves processing flexibility and versatility. The recessed design inside the positioning wheels allows for a tight fit against the outer wall of the pipe, ensuring stable clamping even when the pipe is bent, effectively preventing deviation during processing and improving processing accuracy and finished product quality. The use of a micro-motor driven screw adjustment mechanism makes adjusting the spacing between the positioning wheels quick and precise, reducing the time and labor intensity of manual adjustments and greatly improving production efficiency and operational convenience. Attached Figure Description
[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1 This is a schematic diagram of the overall structure of a hole-expanding and positioning tool for tubular parts.
[0019] Figure 2 This is a schematic diagram of the lower part of a bracket in a hole-expanding and positioning tooling for tubular parts.
[0020] Figure 3This is a schematic diagram of the upper part of a bracket in a hole-expanding and positioning tooling for tubular parts.
[0021] The attached diagram lists the components represented by each number as follows:
[0022] 1. Mounting components; 11. Base plate; 12. Support legs; 13. Mounting frame; 14. Support plate; 15. Bracket; 16. Groove; 2. Positioning components; 21. Positioning plate; 22. Positioning wheel one; 23. Support; 24. Positioning wheel two; 25. Micro motor; 26. Screw. Detailed Implementation
[0023] The present invention will now be described in further detail with reference to the accompanying drawings.
[0024] The following description is intended to disclose the present invention so that those skilled in the art can implement it. The preferred embodiments described below are merely examples, and other obvious modifications will be apparent to those skilled in the art. The basic principles of the present invention defined in the following description can be used in other embodiments, modifications, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.
[0025] Those skilled in the art should understand that in the disclosure of this utility model, the terms "longitudinal", "lateral", "up", "down", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or position based on the orientation or positional relationship shown in the accompanying drawings. They are only for the purpose of simplifying the description of this utility model and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limitations on this utility model.
[0026] It is understood that the term "a" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element can be one, while in another embodiment, the number of the element can be multiple, and the term "a" should not be understood as a limitation on the number. Example
[0027] Please see Figures 1-3This utility model is a positioning fixture for expanding holes in tubular parts, including an installation component 1 and a positioning component 2 equidistantly mounted and fixed on the upper part of the installation component 1. The installation component 1 includes a base plate 11, a support leg 12 fixed to the middle position of the upper side of the base plate 11, an installation frame 13 fixed to the upper end of the support leg 12, a bracket 15 fixed to the side of the installation frame 13, and a support plate 14 fixed to the outer end of the bracket 15. The positioning component 2 includes a positioning plate 21 movably disposed on the outer side of the bracket 15, a positioning wheel 22 fixed to the end of the positioning plate 21, a support 23 adapted to be installed inside the bracket 15, a positioning wheel 24 fixed to the outer side of the support 23, a screw 26 threadedly fitted to the support 23, and a micro motor 25 for rotating the screw 26.
[0028] Further explanation regarding the above structure is as follows:
[0029] The base plate 11 has positioning holes on its edge for fastener installation, and the base plate 11 is fixed to the external processing table by fasteners; the support plate 14 is fixed to the upper side of the base plate 11, and the micro motor 25 is fixed to the outer side of the support plate 14; the bracket 15 has grooves 16 on its edge for fastener installation, and the bracket 15 is fixed to the edge of the positioning plate 21 by fasteners.
[0030] The screw 26 is movably disposed inside the bracket 15, and the outer end of the screw 26 is connected to the output shaft of the micro motor 25 by a support plate 14; the positioning wheel 1 22 and the positioning wheel 24 are triangularly distributed, and the interior of the positioning wheel 1 22 and the positioning wheel 24 are recessed; the tubular parts are clamped between the positioning wheel 1 22 and the positioning wheel 24.
[0031] This reaming and positioning fixture for tubular parts ensures precise positioning of pipes with different diameters and curvatures, thereby guaranteeing the efficiency and accuracy of subsequent reaming operations. A detailed description of the working principle of this technical solution and the mechanism by which it positions pipes with different curvatures is provided below:
[0032] The entire positioning fixture consists of two main parts: the mounting component 1 and the positioning component 2. The mounting component 1 is responsible for fixing and supporting the entire fixture. The base plate 11 is connected to the external processing table through positioning holes to ensure the fixture is stable. The bracket 15 and the support plate 14 are fixed with fasteners to form a stable support frame. The micro motor 25 is installed on the outer side of the support plate 14 to provide a power source for the adjustment of the positioning component 2. The positioning component 2 achieves dynamic adaptation and positioning of the pipe fitting through a precise mechanical structure. Positioning wheel 22 is fixed on the positioning plate 21, and the support 23 is connected to the screw 26 through threads and is fixed with positioning wheel 24. These two positioning wheels are designed to be concave to better fit the outer wall of the pipe fitting. The micro motor 25 is connected to the screw 26 through the output shaft. The rotation of the micro motor 25 drives the screw 26 to rotate, which in turn drives the support 23 to move axially along the inside of the bracket 15, realizing the adjustment of the distance between positioning wheel 22 and positioning wheel 24, so that the fixture can adapt to pipe fittings of different diameters.
[0033] For pipe fittings with different degrees of curvature, this positioning fixture employs the following strategy to achieve precise positioning:
[0034] First, based on the diameter of the pipe fitting, the spacing of the positioning wheels is adjusted by driving the screw 26 with the micro motor 25 to ensure that the positioning wheels can fit the widest part of the pipe fitting. For curved pipe fittings, try to roughly align with the center line first.
[0035] The recessed design of positioning wheel 1 22 and positioning wheel 2 24 allows them to adapt to the curved surface of the pipe to a certain extent. Even if the pipe is slightly bent, the elastic fit of the wheels can achieve relatively stable clamping.
[0036] For pipe fittings with a large degree of curvature, the micro motor 25 can be finely adjusted so that the positioning wheel 24 can be adjusted in a fine position under the guidance of the support 23 to find the best clamping position and ensure that the pipe fitting will not shift due to curvature during the hole enlarging operation.
[0037] For complex curved pipe fittings, multiple positioning components 2 can be used. Through reasonable layout and mutual cooperation, different sections of the pipe fitting can be positioned in segments to ensure overall stability and processing accuracy.
[0038] Through the above mechanism, the positioning fixture can effectively handle pipes of different diameters and curvatures, achieving rapid and accurate positioning, providing a reliable foundation for subsequent hole enlargement processing, and greatly improving processing efficiency and finished product quality.
[0039] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are merely examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functions and structural principles of the present invention have been shown and explained in the embodiments. Without departing from the stated principles, the implementation of the present invention may have any variations or modifications.
Claims
1. A tooling for reaming and positioning tubular parts, characterized in that: The system includes an installation assembly (1) and a positioning assembly (2) that is equidistantly mounted and fixed on the upper part of the installation assembly (1). The installation assembly (1) includes a base plate (11), a support leg (12) fixed to the middle position of the upper side of the base plate (11), a mounting frame (13) fixed to the upper end of the support leg (12), a bracket (15) fixed to the side of the mounting frame (13), and a support plate (14) fixed to the outer end of the bracket (15). The positioning component (2) includes a positioning plate (21) movably disposed on the outer side of the bracket (15), a positioning wheel (22) fixed to the end of the positioning plate (21), a support (23) adapted to be installed inside the bracket (15), a positioning wheel (24) fixed to the outer side of the support (23), a screw (26) threadedly fitted to the support (23), and a micro motor (25) for rotating the screw (26).
2. The reaming and positioning fixture for tubular parts according to claim 1, characterized in that: The base plate (11) is provided with positioning holes for fastener installation on its edge, and the base plate (11) is fixed to the external processing table by fasteners.
3. The reaming and positioning fixture for tubular parts according to claim 2, characterized in that: The support plate (14) is fixed to the upper side of the base plate (11), and the micro motor (25) is fixed to the outer side of the support plate (14).
4. The reaming and positioning fixture for tubular parts according to claim 3, characterized in that: The screw (26) is movably disposed inside the bracket (15), and the outer end of the screw (26) is connected to the output shaft of the micro motor (25) by a support plate (14).
5. The reaming and positioning fixture for tubular parts according to claim 4, characterized in that: The positioning wheel one (22) and the positioning wheel two (24) are arranged in a triangular shape, and the interior of the positioning wheel one (22) and the positioning wheel two (24) is recessed.
6. The reaming and positioning fixture for tubular parts according to claim 5, characterized in that: The bracket (15) has a groove (16) on its side for fastener installation, and the bracket (15) is fixed to the side of the positioning plate (21) by fasteners.