Size measurement jig for PFA (Polyfluoroalkoxy) multi-layer assembly pipe

Abstract

The utility model relates to a PFA multi-layer assembly pipe dimension measurement jig, which comprises a tool main body and a measurement positioning system, the tool main body comprises a base and an upper groove structure detachably installed on the base, the shape of the upper groove structure is matched with that of a PFA multi-layer assembly pipe, and the upper groove structure is used for clamping and fixing the PFA multi-layer assembly pipe to be measured; the measuring and positioning system is arranged on the tool body and used for measuring the relative position of the tool body and the PFA multi-layer assembly pipe clamped and fixed in the upper groove structure, and therefore the specification and size of the PFA multi-layer assembly pipe are determined. When the device is used for measuring, the operation is simple and convenient, the measurement is accurate, the efficiency is high, and the quality control and the product reliability in the production process are effectively improved. The fixture also has certain adaptability and expandability, and can meet the measurement requirements of PFA tubes with different specifications and shapes.

Description

Technical Field

[0001] This utility model relates to the field of mechanical manufacturing, specifically a PFA multilayer assembly tube size measuring fixture. Background Technology

[0002] In industrial production, PFA (fusible polytetrafluoroethylene) multilayer assembled tubes are widely used in chemical, semiconductor, and pharmaceutical fields due to their excellent corrosion resistance and high-temperature stability. However, the unique shape of PFA multilayer assembled tubes, especially their multilayer structure and potential bending and deformation, makes it difficult to directly and accurately measure their dimensions using traditional measuring tools and methods. This not only affects production efficiency and product quality but may also lead to problems during subsequent installation and use due to dimensional inconsistencies.

[0003] Accurate measurement of dimensions is crucial in the production and application of PFA multilayer assembled tubes. However, due to the special properties of PFA material (such as high-temperature stability and corrosion resistance) and the structural characteristics of multilayer assembled tubes (such as multiple layers, complex shapes, and potential bending and deformation), traditional measurement tools and methods are often inadequate.

[0004] Specifically, traditional measuring tools such as calipers and vernier calipers are difficult to accurately measure key dimensions such as the inner and outer diameters and wall thickness of PFA multilayer assembled tubes due to their limited measuring range and insufficient accuracy. While some advanced non-contact measurement technologies (such as laser measurement and 3D scanning) have higher accuracy, they are expensive, complex to operate, and may be affected by the on-site environment (such as temperature, humidity, dust, etc.), which can affect the accuracy of the measurement results.

[0005] Furthermore, with the development of automation and intelligence in industrial production, higher requirements have been placed on the dimensional measurement of PFA multilayer assembled tubes. Not only is it necessary to acquire dimensional data quickly and accurately, but this data also needs to be transmitted to the production management system in real time for quality control and production scheduling. Utility Model Content

[0006] This utility model aims to overcome the shortcomings of the prior art and provide a PFA multilayer assembled tube size measuring fixture to solve the problem of how to accurately and efficiently measure the specifications and dimensions of PFA multilayer assembled tubes.

[0007] To solve the above-mentioned technical problems, this utility model is implemented as follows:

[0008] A PFA multilayer assembled tube size measuring fixture is characterized by comprising a fixture body and a measuring and positioning system. The fixture body includes a base and an upper groove structure detachably mounted on the base. The upper groove structure matches the shape of the PFA multilayer assembled tube and is used to secure the PFA multilayer assembled tube to be measured. The measuring and positioning system is disposed on the fixture body and is used to measure the relative position between the fixture body and the PFA multilayer assembled tube secured in the upper groove structure, thereby determining the specifications and dimensions of the PFA multilayer assembled tube.

[0009] The PFA multilayer assembly tube size measuring fixture is characterized in that: the base is a long strip structure, on which a mounting groove or mounting hole for mounting the upper groove structure is provided.

[0010] The PFA multilayer assembled tube size measuring fixture is characterized in that: the upper groove structure includes multiple sub-grooves, each sub-groove has a different cross-sectional shape and size to adapt to the measurement requirements of PFA multilayer assembled tubes of different specifications, and each sub-groove can be detachably installed in the mounting groove or mounting hole of the base.

[0011] The PFA multilayer assembly tube size measuring fixture is characterized in that: the measuring and positioning system includes a visual comparison device, which is set above the fixture body and is used to photograph and compare the relative positions and dimensions between specific parts of the PFA multilayer assembly tube that are fixed in the upper groove structure.

[0012] The PFA multilayer assembly tube size measuring fixture is characterized in that: the main body of the fixture is made of cemented carbide or stainless steel.

[0013] The PFA multilayer assembly tube size measuring fixture is characterized in that: the upper groove structure and the base are detachably connected by fasteners, buckles or magnetic connectors to facilitate the replacement of upper groove structures of different specifications.

[0014] The beneficial effects of this utility model are as follows: As can be seen from the above technical solution, this application provides a PFA multilayer assembled tube size measuring fixture, which shows significant beneficial effects in terms of improving measurement accuracy, enhancing applicability, improving measurement efficiency, reducing costs, and ensuring product quality. It has important practical application value for the size measurement of PFA multilayer assembled tubes. Attached Figure Description

[0015] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments:

[0016] Figure 1 This is a schematic diagram of the structure of this application. Detailed Implementation

[0017] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection claimed in this application.

[0018] like Figure 1 As shown: A PFA multilayer assembled tube size measuring fixture includes a fixture body and a measuring positioning system. The fixture body includes a base and an upper groove structure 12 detachably mounted on the base 11. The upper groove structure matches the shape of the PFA multilayer assembled tube and is used to secure the PFA multilayer assembled tube to be measured. The measuring positioning system is set on the fixture body and is used to measure the relative position of the fixture body and the PFA multilayer assembled tube secured in the upper groove structure, thereby determining the specifications and dimensions of the PFA multilayer assembled tube.

[0019] The base is a long strip structure with mounting slots or mounting holes for mounting the upper groove structure.

[0020] The upper groove structure includes multiple sub-grooves 121, each with a different cross-sectional shape and size to accommodate the measurement requirements of PFA multilayer assembled tubes of different specifications, and each sub-groove can be detachably installed in the mounting slot or mounting hole of the base.

[0021] The measurement and positioning system includes a visual comparison device (not shown in the figure), which is set above the main body of the tooling and is used to photograph and compare the relative positions and dimensions between specific parts of the PFA multilayer assembled tube that are fixed in the upper groove structure.

[0022] The main body of the tooling is made of cemented carbide or stainless steel. It has sufficient hardness and wear resistance to ensure the stability and accuracy of the groove structure during long-term use.

[0023] The upper groove structure and the base are detachably connected by fasteners, snaps or magnetic connectors to facilitate the replacement of upper groove structures of different specifications.

[0024] The tooling body features a groove structure that matches the shape of the PFA multilayer assembled tube, which can precisely hold the PFA multilayer assembled tube under test, ensuring the stability and accuracy of the tube during the measurement process.

[0025] The fixture's main body is designed as a modular unit with a base and an upper groove. The upper groove structure is detachable and can be replaced with sub-grooves of different specifications as needed to adapt to the measurement requirements of different sizes of PFA multilayer assembled tubes, enhancing the fixture's applicability and flexibility. This fixture has a simple structure and is easy to operate, enabling rapid measurement of PFA multilayer assembled tube dimensions and significantly improving measurement efficiency.

[0026] The fixture body is fixed to the worktable by a fixing device to prevent the fixture body from moving or shaking during the measurement process, which further improves the measurement speed and accuracy.

[0027] Compared to traditional visual judgment or complex measuring equipment, this fixture is reasonably designed and cost-controllable, which can significantly reduce the testing costs for enterprises.

[0028] Its modular and detachable design makes maintenance and upgrades easier, further reducing long-term operating costs.

[0029] Precise dimensional measurements enable timely detection and correction of dimensional deviations during the production of PFA multilayer assembled tubes, ensuring product quality meets standards. The use of this fixture helps establish standardized measurement procedures, improving product consistency and reliability.

[0030] The above are merely embodiments provided in this application and are not intended to limit this application. Although this application has been described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. However, any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A PFA multilayer assembled tube dimension measuring fixture, characterized in that: The device includes a tooling body and a measurement and positioning system. The tooling body includes a base and an upper groove structure that is detachably mounted on the base. The upper groove structure is matched with the shape of the PFA multilayer assembled tube and is used to secure the PFA multilayer assembled tube to be tested. The measurement and positioning system is installed on the tooling body and is used to measure the relative position of the tooling body and the PFA multilayer assembly tube fixed in the upper groove structure, thereby determining the specifications and dimensions of the PFA multilayer assembly tube.

2. The PFA multilayer assembly tube dimension measuring fixture according to claim 1, characterized in that: The base is a long strip structure with mounting slots or mounting holes for mounting the upper groove structure.

3. The PFA multilayer assembly tube dimension measuring fixture according to claim 2, characterized in that: The upper groove structure includes multiple sub-grooves, each with a different cross-sectional shape and size to accommodate the measurement requirements of different specifications of PFA multilayer assembled tubes, and each sub-groove can be detachably installed in the mounting slot or mounting hole of the base.

4. The PFA multilayer assembly tube dimension measuring fixture according to claim 1, characterized in that: The measurement and positioning system includes a visual comparison device, which is set above the main body of the tooling and is used to photograph and compare the relative positions and dimensions between specific parts of the PFA multilayer assembled tube that are fixed in the upper groove structure.

5. The PFA multilayer assembly tube dimension measuring fixture according to claim 1, characterized in that: The main body of the tooling is made of cemented carbide or stainless steel.

6. The PFA multilayer assembly tube dimension measuring fixture according to claim 1, characterized in that: The upper groove structure and the base are detachably connected by fasteners, snaps or magnetic connectors to facilitate the replacement of upper groove structures of different specifications.

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