Testing tool and testing method for metal disc

Abstract

The invention discloses a metal disc testing tool and method, and the tool comprises a supporting pedestal, the supporting pedestal is provided with a clamping assembly, the clamping assembly comprises a plurality of positioning columns which are arranged in the circumferential direction of the supporting pedestal, and the tops of the positioning columns form a metal disc placement plane. The radius of the metal disc placement plane can be adjusted along the radius of the supporting base. Through the arrangement plane defined by the positioning columns, the stability and smoothness of the tested metal disc in the testing process are better ensured, the problems of deflection and the like in the testing process are avoided, and therefore the testing precision is improved. The positioning mechanism and the supporting base are organically combined, rapid positioning of metal discs of different sizes is achieved through the adjustable positioning column structure, the testing efficiency and precision are improved, the application range of products is widened, and the testing requirements of the metal discs of different sizes are met.

Description

Technical Field

[0001] The invention relates to the technical field of metal disc testing, and in particular to a metal disc testing tool and a testing method. Background Art

[0002] The present invention relates to a process field related to the application, production and testing of disc-type products, and is particularly suitable for the process application field related to the production and testing of various metal discs with heating wires or liquid circulation pipelines embedded inside, and specifically relates to a clamping device and method suitable for refrigerated and heated metal discs.

[0003] Metal discs that can be cooled and heated, namely hot and cold metal discs, are widely used in some high-end equipment production fields. In addition, high-end equipment production often has very high requirements for temperature uniformity testing and temperature control of hot and cold metal discs.

[0004] In the production process of testing whether the temperature uniformity control ability of hot and cold metal discs meets the standards, two technical problems usually need to be solved. First, the convenience of operation when measuring temperature during the test and connecting with other related equipment and devices. Second, because the temperature control accuracy requirements of the hot and cold metal discs themselves are usually relatively high, and the metal discs themselves have good thermal conductivity, the test results are often significantly affected by environmental interference. The above two technical problems have become the technical difficulties in the production and application of hot and cold metal discs.

[0005] For example, the "A low-temperature bending detection device and method for metal materials" disclosed in the Chinese patent literature, with application number "CN2022100552389", specifically includes: a detection box, a refrigeration box is arranged at the bottom of the detection box, and the top of the refrigeration box is connected to the inside of the detection box through a connecting pipe; an exhaust device, which is arranged inside the detection box, and the bottom of the exhaust device is connected to the top of the connecting pipe; a movable base, fixed bases are arranged on both sides of the movable base, a hydraulic push rod is fixedly connected to one side of the movable base, and a top block is fixedly connected to the top of the movable base and the fixed base, and a support device is fixedly connected to one side of the top block.

[0006] Although the above solution can make the temperature distribution inside the detection box more uniform and does not require the setting of electronic components for control, it still cannot solve the above problems raised by the present application. Therefore, it is necessary to further optimize the processing solution. Summary of the invention

[0007] In view of the problem that during the testing of metal discs in the above-mentioned prior art, the metal discs themselves have good thermal conductivity, so the test results are often significantly affected by environmental interference, the present invention provides a testing tool and a testing method for metal discs. By optimizing the tool structure, the testing and temperature control accuracy of the surface temperatures of hot and cold metal discs are effectively guaranteed, thereby achieving the purpose of effectively testing the temperature control capability of hot and cold metal disc-related products, and at the same time being adaptable to hot and cold metal discs of different sizes.

[0008] In order to achieve the above object, the present invention adopts the following technical solutions: A testing tool for a metal disc comprises a supporting base, a clamping assembly on the supporting base, the clamping assembly comprising a plurality of positioning columns arranged along the circumference of the supporting base, the top of each positioning column forming a metal disc placement plane, and the radius of the metal disc placement plane can be adjusted along the radius of the supporting base.

[0009] The structural design of the clamping assembly on the support base is used to realize the rapid positioning of metal discs of different sizes. Specifically, a plurality of positioning columns are arranged along the circumference of the support base, and the top of each positioning column forms a placement plane for the metal disc. The radius of the placement plane can be adjusted along the radius direction of the support base to adapt to metal discs of different sizes. This design solves the limitation that common test fixtures can only test fixed sizes, and improves applicability and versatility. Compared with traditional fixed fixtures, this solution realizes the rapid positioning and fixation of metal discs of different radii through an adjustable positioning column structure. This structural design can effectively solve the problem of testing products of different sizes and improve the testing efficiency. At the same time, the placement plane surrounded by the positioning columns can better ensure the stability and flatness of the tested metal disc during the test process, avoid problems such as deflection during the test process, and thus improve the test accuracy. This solution organically combines the positioning mechanism with the support base, and realizes the rapid positioning of metal discs of different sizes through the adjustable positioning column structure, which not only improves the test efficiency and accuracy, but also enhances the scope of application of the product, meets the needs of testing metal discs of different sizes, and has strong practicality.

[0010] Preferably, the metal disc placement plane includes a placement notch provided at the top of each positioning column; the placement notch is a flat groove facing the central axis of the support base. A placement notch facing the central axis of the support base is provided at the top of each positioning column. This flat groove-type notch design can better accommodate and limit the metal disc to be tested, thereby improving the stability of positioning. Taking full account of the structural characteristics of the metal disc itself, the metal disc usually has good thermal conductivity and requires precise temperature testing and control. However, placing the metal disc directly on the top of the positioning column is easily affected by the temperature of the surrounding environment, affecting the test accuracy. The edge of the metal disc is embedded therein, so that most of the surface of the metal disc maintains a certain gap with the top of the positioning column, thereby reducing the interference of the ambient temperature on the metal disc test, which is conducive to improving the accuracy of the test. Not only is the positioning stability of the metal disc improved, but also from the perspective of test accuracy, the interference of environmental factors is reduced through structural optimization.

[0011] Preferably, the support base is provided with a plurality of guide rails along the circumferential ring, and the guide rails are extended along the radius of the support base; the lower part of the support column includes a central protrusion, and the central protrusion engages the guide rail; the bottom surface of the support base is provided with a positioning block corresponding to each central protrusion, and the positioning block is detachably connected to the central protrusion. The guide rail type adjustable mechanism can make the positioning column slide freely in the radial direction, so as to realize the rapid positioning of metal discs of different sizes, further enhancing the versatility and application scope of the tooling. The detachable connection design of the positioning block and the central protrusion also gives the adjustment mechanism a certain flexibility. In actual use, positioning columns of different sizes can be quickly replaced as needed to adapt to a wider range of metal disc sizes without large-scale changes to the entire tooling structure. This modular design concept not only realizes the rapid radial displacement of the positioning column, but also further improves the adaptability and versatility of the tooling through the detachable characteristics of the positioning block.

[0012] Preferably, a reserved hole is provided under the positioning block, and a connector that passes through the positioning block and connects to the central protrusion is provided in the reserved hole; the width of the positioning block is greater than the width of the central protrusion, and the cross-section of the guide rail is a convex shape that is narrow at the top and wide at the bottom, and the positioning block can slide along the guide rail. The optimization of the positioning block structure further improves the stability and reliability of the adjustment mechanism. For the positioning device that carries the metal disc to be tested, stability is one of its important indicators. Ensuring the smooth sliding of the positioning block along the guide rail enhances the overall rigidity of the entire positioning system, avoids problems such as shaking or displacement during the test, and is conducive to improving the test accuracy. It is worth mentioning that the design of the convex guide rail, this structure can not only limit the sliding direction of the positioning block, but also provide a certain beautification effect, to prevent the tester from being injured by sharp edges during operation.

[0013] Preferably, the upper surface of the support base is provided with a plurality of product visual positioning ring grooves of different radii, and the two sides of the positioning column are symmetrically provided with central positioning grooves, and the width of the central positioning groove is the same as that of the product visual positioning ring groove. In order to facilitate the operator to quickly identify and locate metal discs of different sizes, the size of the metal disc currently being tested can be intuitively judged through the visual positioning ring groove on the support base, and accurate positioning can be performed through the grooves on both sides of the positioning column. Compared with the aforementioned solution that only relies on the adjustable positioning column to achieve positioning, this method of using visual identification can greatly improve the convenience of operation and the accuracy of positioning. At the same time, the central groove design on both sides of the positioning column is consistent with the width of the positioning ring groove on the support base, which can better limit and fix the metal disc and avoid problems such as offset or shaking during the test. This design that combines visual positioning with physical limiting further enhances the reliability and practicality of the tooling in terms of positioning function. It combines intuitive and clear visual positioning with precise and stable mechanical limiting, which not only meets the needs of rapid positioning, but also ensures the stability of the metal disc during the test.

[0014] Preferably, a positioning pin is provided at the center of the support base, and a plurality of rotatable rulers are installed on the positioning pins. The rotatable rulers are provided with scales extending along the radius of the support base, and a positioning pin reserved hole is provided at the fixed end; a rotatable ruler is provided between adjacent positioning columns. These rulers are provided with scales, and positioning pin reserved holes are provided at the fixed ends, and can rotate freely between adjacent positioning columns. The design of this rotatable ruler is mainly to assist operators in quickly locating metal discs of different sizes. Through the scales on the ruler, combined with the adjustment of the aforementioned positioning column, the radius size of the measured metal disc can be more accurately determined, so as to quickly adjust the position of the positioning column and realize the positioning of products of different sizes. Compared with the solution of positioning only by visual positioning ring groove, adding the design of a rotatable ruler can further improve the flexibility and accuracy of positioning. Even in the case that some metal discs of special sizes cannot directly correspond to the standard positioning ring groove, the operator can also adjust the position of the positioning column according to the scale value on the ruler to meet the personalized testing needs. In addition, the rotatable design of the ruler can also help the operator quickly restore the initial position of the positioning column. Once the position of the positioning column is offset, it can be quickly reset by referring to the scale value adjusted for the first time, which is conducive to improving the efficiency of the test. This solution further enhances the flexibility and accuracy of the metal disc test fixture in terms of positioning function, can meet personalized testing needs, and also simplifies the test operation process and improves the efficiency of use.

[0015] Preferably, the placement notch is covered with an insulation layer. In order to reduce the interference of the external ambient temperature on the surface temperature of the metal disc to be tested and improve the accuracy of the temperature test, when the metal disc is embedded in the placement notch at the top of the positioning column, the influence of the ambient temperature can be isolated to a certain extent. However, since the metal disc itself has good thermal conductivity, changes in ambient temperature may still be transmitted to the surface to be tested through the contact surface, affecting the accuracy of the test results. The design of adding an insulation layer further strengthens the isolation of the surface temperature of the metal disc during the test. This insulation design can not only block the conduction of ambient temperature, but also reduce the heat loss of the metal disc to be tested to a certain extent, thereby ensuring the relative stability of the surface temperature and improving the accuracy and reliability of the test. For some high-end equipment production fields with high requirements for temperature testing and control, this insulation design is undoubtedly very necessary. It can effectively solve the problem of reduced test accuracy caused by ambient temperature interference and meet the actual application needs in the industry.

[0016] Preferably, a fixed foot pad assembly is provided below the support base, comprising a plurality of fixed foot pads evenly arranged in a circle. The design of the fixed foot pad assembly is mainly to ensure the stability of the entire test tooling during the placement process. The test process often requires the tooling to be stably placed on a test bench or other plane. If there is a lack of an effective fixing mechanism, it is easy to cause shaking or displacement problems, affecting the accuracy and reliability of the test. By evenly arranging a plurality of foot pads at the bottom of the support base, it can fully fit the placement surface, thereby improving the stability and balance of the entire tooling. At the same time, these foot pads also have a certain degree of adjustability. By rotating the connecting bolts, the height of the foot pads can be fine-tuned to further optimize the grounding effect and ensure the stable placement of the tooling. The stability of the base can also indirectly improve the reliability of the test data, providing a good foundation for subsequent analysis and evaluation.

[0017] The present invention also discloses a testing method using the testing tool of the metal disc, comprising the following steps: S1: Install the fixed foot pad assembly on the bottom of the support base; S2: The positioning column and the positioning block are respectively installed into the upper and lower sides of the convex cross-section guide rail of the support base, and connected as a whole with a connecting piece; S3: Place the rotatable ruler at the reserved hole for the locating pin in the center of the support base, and fix it with the locating pin and locating nut so that the other end can rotate freely; S4: According to the radius value of the metal disc to be measured, the positioning column is moved to the corresponding distance display value of the rotatable ruler by controlling the position of the product visual positioning ring groove on the lower side of the positioning column; S5: Place the metal disc to be tested stably on the metal disc placement plane surrounded by the placement notches for testing; S6: After the test is completed, remove the metal disc to be tested, replace it with the next target to be tested, and repeat steps S4-S5.

[0018] The operation process takes advantage of the aforementioned test fixture structural design. Through the coordinated adjustment of the positioning column and the rotatable ruler, as well as the sliding mechanism of the positioning block on the guide rail, it can effectively adapt to various sizes of metal discs to be tested, greatly improving the efficiency of the test. At the same time, the tested sample is stably placed on the placement plane formed by the positioning columns, which also ensures the stability of the test process and avoids problems such as deflection. This test method, which is closely combined with the innovative design of the test fixture, gives full play to the advantages of the fixture in improving applicability and test reliability, and achieves the goal of simple operation and accurate testing.

[0019] Preferably, an elastic buffer layer is provided at one end of the positioning block close to the outer edge of the support base. By providing an elastic element on the outer side of the positioning block, a certain buffer space can be reserved for the thermal expansion of the metal disc to be tested. When the size of the metal disc to be tested is large, the volume may increase due to thermal expansion during the test. If the positioning block has slid to the farthest end of the guide rail at this time and cannot move outward any further, the metal disc will be squeezed and deformed, affecting the accuracy of the test. Once the volume of the metal disc increases, the elastic buffer layer can move outward appropriately to avoid excessive pressure on the sample to be tested, thereby ensuring that it maintains its original geometric dimensions during the test and improving the accuracy of the test data. Through the design of the elastic buffer layer, not only the stable sliding of the positioning block on the guide rail is ensured, but also the thermal expansion and deformation of the metal disc to be tested under high temperature conditions can be effectively dealt with, which fully reflects the innovation of this scheme in improving the reliability of the test.

[0020] Therefore, the present invention has the following beneficial effects: (1) The adjustable positioning column structure enables rapid positioning and stable fixation of metal discs of different sizes, greatly improving the test efficiency and scope of application.

[0021] (2) The design of placement notch and insulation layer effectively reduces the interference of ambient temperature on the surface temperature of the metal disk being tested, and improves the accuracy and reliability of temperature testing.

[0022] (3) The integration of visual positioning and mechanical limit has simplified the operation process, improved the convenience and stability of positioning, and enhanced the user experience.

[0023] (4) An elastic buffer layer is added to the sliding mechanism to ensure the high stability of the positioning block. At the same time, a buffer space is left for the thermal expansion of the metal disc being tested, effectively avoiding deformation problems during the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1A schematic structural diagram of the device of the present invention.

[0025] Figure 2 Bottom view of the device of the present invention.

[0026] Figure 3 Exploded view of the device of the present invention.

[0027] Figure 4 Figure 3 Schematic diagram of the structure of the positioning block.

[0028] Figure 5 Figure 3 Schematic diagram of the structure of the central positioning column.

[0029] Figure 6 Figure 3 Three-dimensional cross-sectional view of the middle support base.

[0030] In the figure: 100. metal disc, 101. metal disc placement plane, 1. fixed foot pad, 2. support base, 21. product visual positioning ring groove, 22. guide rail, 3. rotatable ruler, 4. positioning column, 41. center protrusion, 42. center positioning groove, 43. placement notch, 5. positioning block, 6. connecting piece, 7. positioning pin, 8. positioning nut, 9. elastic buffer layer. DETAILED DESCRIPTION

[0031] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions.

[0032] Example 1 like Figure 1 , 2 As shown, a metal disc test fixture includes a support base 2, a clamping assembly on the support base, and the clamping assembly includes a plurality of positioning columns 4 arranged along the circumference of the support base, and the top of each positioning column forms a metal disc placement plane 101, and the radius of the metal disc placement plane can be adjusted along the radius of the support base. The metal disc placement plane includes a placement notch 43 arranged on the top of each positioning column; the placement notch 43 is a flat groove facing the central axis of the support base.

[0033] The structural design of the clamping assembly on the support base is used to realize the rapid positioning of metal discs 100 of different sizes. Specifically, a plurality of positioning columns are arranged along the circumference of the support base, and the top of each positioning column forms a placement plane for the metal disc. The radius of the placement plane can be adjusted along the radius direction of the support base to adapt to metal discs of different sizes. This design solves the limitation that common test fixtures can only test fixed sizes, and improves applicability and versatility. Compared with traditional fixed fixtures, this solution realizes the rapid positioning and fixing of metal discs of different radii through an adjustable positioning column structure. This structural design can effectively solve the problem of testing products of different sizes and improve the testing efficiency. At the same time, the placement plane surrounded by the positioning columns can better ensure the stability and flatness of the tested metal disc during the test process, avoid problems such as deflection during the test process, and thus improve the test accuracy. This solution organically combines the positioning mechanism with the support base, and realizes the rapid positioning of metal discs of different sizes through the adjustable positioning column structure, which not only improves the test efficiency and accuracy, but also enhances the applicable scope of the product, meets the needs of testing metal discs of different sizes, and has strong practicality.

[0034] A placement notch facing the central axis of the support base is provided at the top of each positioning column. This flat groove notch design can better accommodate and limit the metal disc to be tested, and improve the stability of positioning. Taking into full consideration the structural characteristics of the metal disc itself, the metal disc usually has good thermal conductivity and requires precise temperature testing and control. Placing the metal disc directly on the top of the positioning column is easily affected by the temperature of the surrounding environment, affecting the test accuracy. The edge of the metal disc is embedded in it, so that most of the surface of the metal disc maintains a certain gap with the top of the positioning column, thereby reducing the interference of the ambient temperature on the metal disc test, which is conducive to improving the accuracy of the test. Not only does it improve the positioning stability of the metal disc, but also from the perspective of test accuracy, it reduces the interference of environmental factors through structural optimization.

[0035] like Figure 6 As shown, the support base is provided with a plurality of guide rails 22 along the circumferential ring, and the guide rails are extended along the radius of the support base; the lower part of the support column includes a central protrusion 41, and the central protrusion engages with the guide rail; the bottom surface of the support base is provided with a positioning block 5 corresponding to each central protrusion, and the positioning block is detachably connected to the central protrusion. A reserved hole is provided under the positioning block, and a connecting piece 6 that penetrates the positioning block and connects the central protrusion is provided in the reserved hole; the width of the positioning block is greater than the width of the central protrusion, and the cross section of the guide rail is a convex shape that is narrow at the top and wide at the bottom, and the positioning block can slide along the guide rail. In this embodiment, the connecting piece adopts a fixing screw, and a fixing piece such as an interference pin can also be adopted.

[0036] The rail-type adjustable mechanism allows the positioning column to slide freely in the radial direction, thereby realizing the rapid positioning of metal discs of different sizes, further enhancing the versatility and applicability of the tooling. The detachable connection design between the positioning block and the central protrusion also gives the adjustment mechanism a certain degree of flexibility. In actual use, positioning columns of different sizes can be quickly replaced as needed to adapt to a wider range of metal disc sizes without making large-scale changes to the entire tooling structure. This modular design concept not only realizes the rapid radial displacement of the positioning column, but also further improves the adaptability and versatility of the tooling through the detachable characteristics of the positioning block. The optimization of the positioning block structure further improves the stability and reliability of the adjustment mechanism. For the positioning device that carries the metal disc to be tested, stability is one of its important indicators. Ensuring the smooth sliding of the positioning block along the rail enhances the overall rigidity of the entire positioning system, avoids problems such as shaking or displacement during the test, and is conducive to improving the test accuracy. It is worth mentioning that the design of the convex guide rail can not only limit the sliding direction of the positioning block, but also provide a certain beautification effect to prevent the tester from being injured by sharp edges during operation.

[0037] The upper surface of the support base is provided with a plurality of product visual positioning ring grooves 21 of different radii, and the two sides of the positioning column are symmetrically provided with central positioning grooves 42, and the width of the central positioning groove is the same as that of the product visual positioning ring groove. A positioning pin 7 is provided at the center of the support base, and a plurality of rotatable rulers are installed on the positioning pin. The rotatable ruler is provided with scales extending along the radius of the support base, and a positioning pin reserved hole is provided at the fixed end; a rotatable ruler is provided between adjacent positioning columns.

[0038] In order to facilitate operators to quickly identify and locate metal discs of different sizes, the size of the metal disc currently being tested can be intuitively judged through the visual positioning ring groove on the support base, and accurate positioning can be performed through the grooves on both sides of the positioning column. Compared with the aforementioned solution that only relies on adjustable positioning columns to achieve positioning, this method of using visual identification can greatly improve the convenience of operation and the accuracy of positioning. At the same time, the central groove design on both sides of the positioning column is consistent with the width of the positioning ring groove on the support base, which can better limit and fix the metal disc and avoid problems such as offset or shaking during the test. This design that combines visual positioning with physical limiting further enhances the reliability and practicality of the tooling in terms of positioning function. It combines intuitive and clear visual positioning with precise and stable mechanical limiting, which not only meets the needs of rapid positioning, but also ensures the stability of the metal disc during the test. These rulers are provided with scales, and the fixed end is provided with a positioning pin reserved hole, which can rotate freely between adjacent positioning columns. This rotatable ruler 3 is made of steel, mainly to assist operators in quickly locating metal discs of different sizes. Through the scale on the ruler, combined with the adjustment of the positioning column mentioned above, the radius size of the metal disc to be tested can be determined more accurately, so as to quickly adjust the position of the positioning column and realize the positioning of products of different sizes. Compared with the solution that only relies on the visual positioning ring groove for positioning, the design of adding a rotatable ruler can further improve the flexibility and accuracy of positioning. Even in the case that some metal discs of special sizes cannot directly correspond to the standard positioning ring groove, the operator can adjust the position of the positioning column according to the scale value on the ruler to meet the personalized testing needs. In addition, the rotatable design of the ruler can also help the operator quickly restore the initial position of the positioning column. Once the position of the positioning column is offset, it can be quickly reset by referring to the scale value adjusted for the first time, which is conducive to improving the efficiency of the test. This solution further enhances the flexibility and accuracy of the metal disc test fixture in the positioning function, which can meet the personalized testing needs, and also simplifies the test operation process and improves the use efficiency.

[0039] It is also worth noting that the placement gap is covered with an insulation layer. In order to reduce the interference of the external ambient temperature on the surface temperature of the metal disc to be tested and improve the accuracy of the temperature test, when the metal disc is embedded in the placement gap at the top of the positioning column, the influence of the ambient temperature can be isolated to a certain extent. However, since the metal disc itself has good thermal conductivity, changes in ambient temperature may still be transmitted to the surface to be tested through the contact surface, affecting the accuracy of the test results. The design of adding an insulation layer further strengthens the isolation of the surface temperature of the metal disc during the test. This insulation design can not only block the conduction of ambient temperature, but also reduce the heat loss of the metal disc to be tested to a certain extent, thereby ensuring the relative stability of the surface temperature and improving the accuracy and reliability of the test. For some high-end equipment production fields with high requirements for temperature testing and control, this insulation design is undoubtedly very necessary. It can effectively solve the problem of reduced test accuracy caused by ambient temperature interference and meet the actual application needs in the industry. In this embodiment, the insulation layer can be made of insulation cotton, or it can be made of flexible materials such as rubber and plastic materials.

[0040] In addition, a fixed foot pad assembly is provided under the support base, which includes several fixed foot pads evenly arranged in a circle. The design of the fixed foot pad assembly is mainly to ensure the stability of the entire test tooling during the placement process. The test process often requires the tooling to be stably placed on a test bench or other plane. If there is a lack of an effective fixing mechanism, it is easy to cause shaking or displacement problems, affecting the accuracy and reliability of the test. By evenly arranging several foot pads at the bottom of the support base, it can fully fit the placement surface, thereby improving the stability and balance of the entire tooling. At the same time, these foot pads also have a certain degree of adjustability. By rotating the connecting bolts, the height of the foot pads can be fine-tuned to further optimize the grounding effect and ensure the stable placement of the tooling. The stability of the base can also indirectly improve the reliability of the test data, providing a good foundation for subsequent analysis and evaluation.

[0041] The metal disc test fixture and test method proposed in the present invention have an overall excellent design and structure, and can meet the actual needs of the precision testing field for rapid positioning of metal discs, stable testing, environmental factor control, etc.

[0042] like Figure 3 As shown in the figure, from the specific structural analysis, the core components of the test fixture include the support base, positioning column, positioning block, rotatable ruler, etc. Among them, the support base is made of bakelite, and there are 6 adjustable fixed foot pads at the bottom, which can ensure the stability and balance of the entire device during placement. There are 4 commonly used product visual positioning ring grooves on the upper surface of the base, which are used to quickly identify and locate metal discs of different sizes. There is also a positioning pin hole in the center of the base, and one end of the rotatable ruler is fixed by the positioning pin and nut, so that the other end can rotate freely.

[0043] As the core supporting element, the positioning column adopts a stepped design on its lower side. The narrower protruding end is inserted into the inside of the base, and the wider shoulder is inserted into the outer surface of the base, avoiding the shaking problem during the movement. The top of the positioning column is also provided with a notched metal disc placement plane, which can better limit and fix the sample to be measured. In addition, visual positioning ring grooves corresponding to the positioning ring grooves on the base are provided on both sides of the positioning column, further enhancing the intuitiveness of positioning. The positioning block is designed to slide freely on the guide rail of the base and is fixed to the positioning column as a whole through a connecting piece. This sliding positioning mechanism can quickly adjust the position of the positioning column according to the different sizes of the metal disc to be measured, so as to achieve accurate positioning of samples of various specifications. In order to enhance the stability of the positioning block on the guide rail, an elastic buffer layer 9 is also provided on its outer side, which can effectively absorb the dynamic impact force during the sliding process and avoid the occurrence of shaking problems. As an auxiliary positioning tool, the rotatable ruler has a positioning pin reserved hole at its fixed end, and one end can be fixed by the positioning pin in the center of the base, and the other end can rotate freely. This design not only facilitates the rapid adjustment of the position of the positioning column according to the size of the metal disc being tested, but also allows the positioning column to be quickly restored to its initial position according to the scale value adjusted for the first time after the test is completed, thereby improving the test efficiency.

[0044] In addition, in order to reduce the interference of ambient temperature on the surface temperature of the metal disc being tested, an insulation layer design is added in the notch at the top of the positioning column. This thermal insulation measure can effectively block the conduction of external heat, ensure the relative stability of the surface temperature of the metal disc being tested, and improve the accuracy of the test.

[0045] The metal disc test fixture has also made many optimizations to improve stability and reliability. First, the base is made of bakelite, and through 6 adjustable fixed foot pads 1, the stability and balance of the entire device during placement are ensured, avoiding the occurrence of shaking or displacement problems. This stable base structure not only improves the operating experience, but also indirectly improves the reliability of test data.

[0046] Secondly, the step-type structural design of the positioning column can effectively limit its shaking when moving up and down, ensuring that the position of the metal disc under test remains stable. At the same time, the sliding mechanism of the positioning block on the base rail also adopts the optimized design of the elastic buffer layer 9, which further enhances the stability and reliability of the entire positioning system. In addition, in order to address the interference of ambient temperature on the surface temperature of the metal disc under test, this embodiment adds a thermal insulation layer design on the top of the positioning column, which effectively blocks the conduction of heat and improves the accuracy of temperature testing. This active temperature control design concept is undoubtedly extremely necessary for some precision testing fields with high temperature requirements.

[0047] In addition to the above solutions, the operator can explore some other design ideas based on this embodiment. For example, a more lightweight and durable material can be used to make the support base; the limiting mechanism of the positioning column can be further optimized to improve its anti-sway performance; or a fully automated program-controlled positioning adjustment method can be tried to achieve a more intelligent test process.

[0048] Example 2 In this embodiment, a test method using the test tool of the metal disc in Embodiment 1 is disclosed, comprising the following steps: S1: Install the fixed foot pad assembly on the bottom of the support base; S2: The positioning column and the positioning block are respectively installed into the upper and lower sides of the convex cross-section guide rail of the support base, and connected as a whole with a connecting piece; S3: The rotatable ruler is placed at the reserved hole position of the positioning pin of the support base center positioning pin hole, and fixed by the positioning pin and the positioning nut 8, so that the other end can rotate freely; S4: According to the radius value of the metal disc to be measured, the positioning column is moved to the corresponding distance display value of the rotatable ruler by controlling the position of the product visual positioning ring groove on the lower side of the positioning column; S5: Place the metal disc to be tested stably on the metal disc placement plane surrounded by the placement notches for testing; S6: After the test is completed, remove the metal disc to be tested, replace it with the next target to be tested, and repeat steps S4-S5.

[0049] The specific use process of the metal disc test fixture is as follows: First, the six fixed foot pads 1 need to be screwed into the corresponding threaded holes at the bottom of the support base 2. By rotating and adjusting these foot pads, the entire test device can be ensured to remain stable when placed on a flat surface such as a test bench to avoid shaking or shifting. This is the basis for ensuring the accuracy of data during the test process.

[0050] Next, the positioning column 4 and the positioning block 5 are respectively installed in the guide rail structure of the support base 2, and they are connected as a whole with the connector 6. The positioning column adopts a step-type design, which can effectively limit its shaking when moving up and down, ensuring that the position of the metal disc under test remains stable. The positioning block can slide freely along the guide rail, providing flexibility to adapt to metal discs of different sizes. On this basis, it is necessary to align the positioning pin reserved hole of the rotatable ruler 3 with the positioning pin hole in the center of the support base, and fix it to the base through the positioning pin 7 and the positioning nut 8. In this way, one end of the rotatable ruler is fixed, while the other end can rotate freely. This design not only facilitates the adjustment of the position of the positioning column according to the size of the metal disc, but also can quickly restore the initial state after the test is completed, thereby improving the overall test efficiency.

[0051] The next key step is to adjust the position of the positioning column 4 on the guide rail according to the radius value of the metal disc to be measured so that it corresponds to the scale value on the rotatable ruler 3. For discs of commonly used sizes, corresponding visual positioning ring grooves are reserved on the support base for quick positioning; for non-standard sizes, they need to be adjusted according to the scale value on the ruler. This flexible positioning method ensures that the tooling can adapt to metal discs of various specifications. After adjusting the positioning, just place the metal disc to be measured steadily in the notch at the top of the positioning column 4. In order to reduce the interference of ambient temperature on the surface temperature of the sample to be measured, an insulation layer design is reserved at the top of the positioning column to effectively block the conduction of external heat.

[0052] After the test is completed, you only need to simply remove the metal disc upwards to test the next sample. This quick replacement operation process not only improves the test efficiency, but also ensures the independence of each test.

[0053] In general, the metal disc test fixture integrates the advantages of accurate positioning, stable testing, and convenient use, and can effectively meet the actual needs of the precision testing field for rapid positioning of metal discs, stable testing, and environmental factor control. In this embodiment, the design of the operation process also reflects humanized considerations. For example, the design of the rotatable ruler not only facilitates positioning adjustment, but also can quickly restore the initial state after the test is completed, greatly improving work efficiency. At the same time, the visual positioning ring groove reserved on the support base also provides an intuitive positioning reference for the operator, reducing the difficulty of use. From the perspective of application value, the metal disc test fixture and its testing method have broad market prospects. With the rapid development of industries such as electronics and electrical appliances, the demand for precision testing of metal parts is becoming more and more urgent. The advantages of this solution in terms of accurate positioning, stable testing, and convenient use just meet the core needs of this market segment. At the same time, its innovative design in terms of flexibility, reliability, and safety also fully reflects its practical value in practical applications.

[0054] Example 3 In this embodiment, Figure 4As shown, an elastic buffer layer 9 is provided at one end of the positioning block near the outer edge of the support base. By providing an elastic element on the outer side of the positioning block, a certain buffer space can be reserved for the thermal expansion of the metal disc to be tested. When the size of the metal disc to be tested is large, the volume may increase due to thermal expansion during the test. If the positioning block has slid to the farthest end of the guide rail at this time and cannot move outward any further, the metal disc will be squeezed and deformed, affecting the accuracy of the test. Once the volume of the metal disc increases, the elastic buffer layer can be appropriately moved outward to avoid excessive pressure on the sample to be tested, thereby ensuring that it maintains its original geometric dimensions during the test and improving the accuracy of the test data. Through the design of the elastic buffer layer, not only the stable sliding of the positioning block on the guide rail is ensured, but also the thermal expansion deformation of the metal disc to be tested under high temperature conditions can be effectively dealt with, which fully reflects the innovation of this scheme in improving the reliability of the test. In this embodiment, the elastic buffer layer can be made of high temperature resistant elastic materials such as silicone rubber and graphite packing.

Claims

1. A metal disc testing tool, characterized in that: It comprises a support base, a clamping assembly is mounted on the support base, the clamping assembly comprises a plurality of positioning posts arranged along the circumference of the support base, the top of each positioning post forms a metal disc placement plane, and the radius of the metal disc placement plane can be adjusted along the radius of the support base.

2. The metal disc testing tool according to claim 1, characterized in that: The metal disc placement plane includes a placement notch arranged on the top of each positioning column; the placement notch is a flat groove facing the central axis of the support base.

3. The metal disc testing tool according to claim 1, characterized in that: The support base is provided with a plurality of guide rails along a circumferential ring, and the guide rails are extended along the radius of the support base; the lower part of the support column includes a central protrusion, and the central protrusion engages with the guide rail; the bottom surface of the support base is provided with positioning blocks corresponding to each central protrusion, and the positioning blocks are detachably connected to the central protrusion.

4. The metal disc testing tool according to claim 3, characterized in that: A reserved hole is provided under the positioning block, and a connecting piece is provided in the reserved hole that penetrates the positioning block and connects the central protrusion; the width of the positioning block is greater than the width of the central protrusion, and the cross-section of the guide rail is a convex shape that is narrow at the top and wide at the bottom, and the positioning block can slide along the guide rail.

5. The metal disc testing tool according to claim 1, characterized in that: The upper surface of the support base is provided with a plurality of product visual positioning ring grooves with different radii, and the two sides of the positioning column are symmetrically provided with central positioning grooves, and the central positioning groove has the same width as the product visual positioning ring groove.

6. According to the testing fixture of the metal disc according to any one of claims 1-5, a positioning pin is arranged at the center of the support base, and a plurality of rotatable rulers are installed on the positioning pin. The rotatable ruler is provided with scales extending along the radius of the support base, and a positioning pin reserved hole is arranged at the fixed end; a rotatable ruler is arranged between adjacent positioning columns.

7. The metal disc testing tool according to claim 2, characterized in that: The placement gap is covered with a thermal insulation layer.

8. The metal disc testing tool according to any one of claims 1 to 6, characterized in that: A fixed foot pad assembly is arranged below the support base, and includes a plurality of fixed foot pads evenly arranged in a circle.

9. A testing method using the testing tool of the metal disc according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1: Install the fixed foot pad assembly on the bottom of the support base; S2: Install the positioning column and the positioning block into the upper and lower sides of the guide rail of the convex cross-section of the support base respectively, and connect them into one with a connecting piece; S3: Place the locating pin reserved hole of the rotatable ruler on the central locating pin hole of the support base and fix it with the locating pin and locating nut so that the other end can rotate freely; S4: According to the radius value of the metal disc to be measured, the positioning column is moved to the corresponding distance display value of the rotatable ruler by controlling the position of the product visual positioning ring groove on the lower side of the positioning column; S5: The metal disc to be tested is stably placed on the metal disc placement plane formed by the placement notches for testing; S6: After the test is completed, remove the metal disc to be tested, replace it with the next target to be tested, and repeat steps S4-S5.

10. The testing method of the metal disc testing tool according to claim 9, characterized in that: An elastic buffer layer is arranged at one end of the positioning block close to the outer edge of the supporting base.

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