Expandable compression testing machine

By setting up compression and disassembly mechanisms in the compression testing machine, precise control of the press movement path and uniform pressure application are achieved, solving the test error problem caused by press offset, improving the reliability of test results and the adaptability of the equipment, and meeting the diverse material testing needs.

CN224035071UActive Publication Date: 2026-03-24ZHONGRUI TESTING TECHNOLOGY (SUZHOU) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

During use, existing compression testing machines are prone to displacement of the press movement path, resulting in uneven and inaccurate pressure application to the sample, which reduces the reliability and accuracy of the test results and makes it difficult to meet the needs of scientific research and production for high-quality data.

Method used

An expandable compression testing machine was designed. By setting up compression and disassembly mechanisms, the machine can accurately control the movement path of the pressure gauge and easily replace it, ensuring that the pressure is applied evenly and accurately to the sample and supporting the testing of samples with different shapes, sizes and materials.

Benefits of technology

It significantly improves the reliability and accuracy of test results, enhances the adaptability and functional expansion capabilities of the equipment, and can meet the needs of various material research and product testing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an expandable compression testing machine, and relates to the technical field of compression testing machines. The device comprises a bottom plate, a compression mechanism is arranged on the bottom plate, the compression mechanism comprises a [-shaped frame fixedly connected to the top of the bottom plate, an electric push rod is fixedly connected to the top of the [-shaped frame, and an output shaft of the electric push rod extends into the [-shaped frame and is in sliding connection with the [-shaped frame. Accurate control over the moving path of the hold-down device in the compression process can be achieved through the compression mechanism, the possibility that the hold-down device deviates in the operation process is fundamentally eradicated, the accurate control enables the hold-down device to be kept highly stable in the moving process, and therefore when pressure is applied to a sample piece, the sample piece is not prone to deviation. The pressure can be ensured to uniformly and accurately act on the sample piece, the test error caused by non-uniform pressure or deviation is effectively avoided, the reliability and precision of the test result are remarkably improved, and more valuable data support is provided for scientific research and production.
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Description

Technical Field

[0001] This utility model belongs to the technical field of compression testing machines, and in particular relates to an expandable compression testing machine. Background Technology

[0002] In the fields of materials science and industrial production, compression testing machines are indispensable equipment for testing material properties. With the continuous innovation of materials research and development, various new materials such as high-performance composite materials and smart materials are emerging, which puts forward higher requirements for the testing accuracy and stability of compression testing machines. At the same time, different industries have different focuses on material performance evaluation, requiring testing machines to have more flexible and diverse testing capabilities.

[0003] Some existing compression testing machines may experience deviations in the movement path of the pressure gauge during use, resulting in uneven and inaccurate pressure application to the sample and thus generating testing errors. This not only reduces the reliability and accuracy of the test results but also makes it difficult to meet the demand for high-quality data in scientific research and production, thus limiting the efficiency of material development and product quality improvement. Utility Model Content

[0004] The purpose of this invention is to provide an expandable compression testing machine. By incorporating a compression mechanism, it solves the problem that some existing compression testing machines may experience deviations in the movement path of the pressure gauge during use, resulting in uneven and inaccurate pressure application to the sample.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model relates to an expandable compression testing machine, comprising a base plate on which a compression mechanism and a disassembly mechanism are provided.

[0007] The compression mechanism includes a C-shaped frame fixedly connected to the top of the base plate. An electric push rod is fixedly connected to the top of the C-shaped frame. The output shaft of the electric push rod extends into the interior of the C-shaped frame and is slidably connected to the C-shaped frame. T-shaped grooves are provided on the left and right inner walls of the C-shaped frame. T-shaped sliders are slidably connected to the inner walls of the two T-shaped grooves. A movable plate is fixedly connected between the two T-shaped sliders. The movable plate is slidably connected to the inner wall of the C-shaped frame. A mounting base is fixedly connected to the bottom of the movable plate. A pressure fixture is provided at the bottom of the mounting base.

[0008] Furthermore, the press is slidably connected to the inner wall of the shaped frame, and a sample piece is provided on the top of the base plate.

[0009] Further, the dismounting mechanism comprises a mounting column fixedly connected to the top of the press, a mounting groove is formed in the bottom of the mounting seat, and the top end of the mounting column extends to the inner wall of the mounting groove and is in sliding connection with the mounting groove.

[0010] Further, two protrusions are fixedly connected to the outer wall of the mounting column, two grooves are formed in the inner wall of the mounting groove, and the two protrusions are in sliding connection with the corresponding grooves.

[0011] Further, a bidirectional threaded rod is rotationally connected to the inner wall of the mounting seat, the front end of the bidirectional threaded rod extends to the outside of the mounting seat, and a knob is fixedly connected to the front end of the bidirectional threaded rod.

[0012] Further, two internally-threaded blocks are threadedly connected to the bidirectional threaded rod, a sliding rod is fixedly connected to the inner wall of the mounting seat, and two sliding blocks are in sliding connection with the sliding rod.

[0013] Further, a connecting plate is fixedly connected between each of the two internally-threaded blocks and the corresponding sliding block, and each of the two connecting plates is fixedly connected with a positioning pin on the side close to each other.

[0014] Further, two positioning grooves are formed in the outer side of the mounting column, and each of the two positioning pins extends to the inside of the corresponding positioning groove and is in sliding connection with the mounting seat and the mounting column.

[0015] The utility model has the following beneficial effects:

[0016] 1. By setting the compression mechanism, starting the electric push rod, the electric push rod drives the moving plate to move up and down, the moving plate drives the T-shaped sliding block to slide in the T-shaped sliding groove when moving, the moving plate drives the mounting seat to move when moving, the mounting seat drives the press to move when moving, the compression mechanism can realize accurate control of the moving path of the press during compression, which fundamentally eliminates the possibility of deviation of the press during operation. This accurate control makes the press highly stable during movement, and thus ensures that the pressure is uniformly and accurately applied to the sample piece when the sample piece is subjected to pressure, effectively avoids test errors caused by uneven or deviation of pressure, significantly improves the reliability and precision of test results, and provides more valuable data support for scientific research and production.

[0017] 2、By setting the dismounting mechanism, rotating the knob, the knob drives the bidirectional threaded rod to rotate when rotating, the bidirectional threaded rod drives the inner threaded block to move when rotating, the inner threaded block drives the connecting plate to move when moving, the connecting plate drives the sliding block to slide on the sliding rod when moving, the connecting plate drives the positioning pin to disengage from the positioning groove when moving, the dismounting mechanism enables the press to be disassembled and installed, so that different presses can be replaced, in the aspect of expansion, the adaptability of the compression testing machine is greatly improved, different shapes, sizes and materials of the test sample can be tested, and it is no longer limited to a specific type, which enables the equipment to be flexibly applied to various material research and product detection fields, meets the needs of different industries, and also helps the testing machine to expand functions, by adapting different function presses, special loading methods or high-precision measurement tests are realized, and the testing machine is continuously evolving in function.

[0018] Of course, any product implementing the present application does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0020] Figure 1 It is the overall structure schematic diagram of the present application;

[0021] Figure 2 It is the structure schematic diagram of the T-shaped groove of the present application;

[0022] Figure 3 It is the structure schematic diagram of the moving plate of the present application;

[0023] Figure 4 It is the structure schematic diagram of the mounting column of the present application;

[0024] Figure 5 It is the structure schematic diagram of the mounting seat of the present application;

[0025] Figure 6 It is the structure schematic diagram of the present application Figure 4 It is the enlarged structure schematic diagram of A of the present application.

[0026] In the drawings, the component list represented by each number is as follows:

[0027] 1, bottom plate; 2, compression mechanism; 3, disassembly mechanism; 21, U-shaped frame; 22, electric push rod; 23, T-shaped sliding groove; 24, T-shaped sliding block; 25, moving plate; 26, mounting seat; 27, press; 28, sample piece; 31, mounting column; 32, mounting groove; 33, protrusion; 34, groove; 35, two-way threaded rod; 36, knob; 37, internally threaded block; 38, sliding rod; 39, sliding block; 310, connecting plate; 311, positioning pin; 312, positioning groove. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] Please refer to Figures 1-6 As shown in the figure, the utility model is a kind of expandable compression testing machine, including bottom plate 1, bottom plate 1 is provided with compression mechanism 2 and disassembly mechanism 3, compression mechanism 2 includes the U-shaped frame 21 of fixed connection in the top of bottom plate 1, the top of U-shaped frame 21 is fixedly connected with electric push rod 22, the output shaft of electric push rod 22 extends to the inside of U-shaped frame 21 and is slidably connected with U-shaped frame 21, the left side and the right side inner wall of U-shaped frame 21 are all set up T-shaped sliding groove 23, the inner wall of two T-shaped sliding grooves 23 is slidably connected with T-shaped sliding block 24, two T-shaped sliding blocks 24 are fixedly connected with moving plate 25 between, moving plate 25 is slidably connected with the inner wall of U-shaped frame 21, the bottom of moving plate 25 is fixedly connected with mounting seat 26, the bottom of mounting seat 26 is provided with press 27, press 27 is slidably connected with the inner wall of U-shaped frame 21, the top of bottom plate 1 is provided with sample piece 28, the accurate control of moving path in the compression process of press 27 can be realized by compression mechanism 2, fundamentally eliminates the possibility of press 27 from running deviation, this kind of accurate control makes press 27 keep highly stable in the moving process, in turn, when exerting pressure to sample piece 28, can ensure that pressure is uniformly and accurately applied to sample piece 28, effectively avoid the test error caused by uneven or deviation of pressure, significantly improve the reliability and precision of test result, provide more valuable data support for scientific research and production.

[0030] The dismounting mechanism 3 comprises a mounting column 31 fixedly connected to the top of the press 27, the bottom of the mounting seat 26 is provided with a mounting groove 32, the top end of the mounting column 31 extends to the inner wall of the mounting groove 32 and is in sliding connection with the mounting groove 32, the outer wall of the mounting column 31 is fixedly connected with two protrusions 33, the inner wall of the mounting groove 32 is provided with two grooves 34, and the two protrusions 33 are in sliding connection with the corresponding grooves 34, the inner wall of the mounting seat 26 is rotatably connected with a bidirectional threaded rod 35, the front end of the bidirectional threaded rod 35 extends to the outside of the mounting seat 26, the front end of the bidirectional threaded rod 35 is fixedly connected with a knob 36, the bidirectional threaded rod 35 is threadedly connected with two internal threaded blocks 37, the inner wall of the mounting seat 26 is fixedly connected with a sliding rod 38, the sliding rod 38 is slidably connected with two sliding blocks 39, and the two internal threaded blocks 37 are fixedly connected with a connecting plate 310 between the corresponding sliding blocks 39, the side of the two connecting plates 310 close to each other is fixedly connected with a positioning pin 311, the outer side of the mounting column 31 is provided with two positioning grooves 312, and the ends of the two positioning pins 311 close to each other extend into the corresponding positioning grooves 312 and are in sliding connection with the mounting seat 26 and the mounting column 31. The dismounting mechanism 3 can dismount and install the press 27, so that different presses 27 can be replaced, which greatly improves the adaptability of the compression testing machine in the expandable aspect, and tests can be carried out on samples of different shapes, sizes and materials, which is no longer limited to specific types. This makes the equipment flexible in application in various material research and product detection fields, meets the needs of different industries, and also helps the testing machine to expand functions, realizes tests such as special loading mode or high-precision measurement by adapting different function presses, and continuously evolves the functions of the testing machine.

[0031] A specific application of the embodiment is: when using the device, first, the sample piece 28 to be tested is placed on the top of the compression mechanism 2, so that the sample piece 28 is located directly below the press 27, and then the electric push rod 22 is started. The electric push rod 22 drives the moving plate 25 to move up and down, and the moving plate 25 drives the T-shaped sliding block 24 to slide in the T-shaped sliding groove 23 when moving, so as to guide and limit the movement path of the moving plate 25 through the T-shaped sliding block 24 and the T-shaped sliding groove 23, thereby avoiding the movement path of the moving plate 25 from deviating, so that the movement process of the moving plate 25 is more stable. The moving plate 25 drives the mounting seat 26 to move when moving, and the mounting seat 26 drives the press 27 to move when moving, so as to apply pressure to the sample piece 28 through the press 27, thereby detecting the compression bearing capacity of the sample piece 28.

[0032] When the press 27 needs to be replaced, first rotate the knob 36 forward, the rotation of the knob 36 drives the bidirectional threaded rod 35 to rotate, the rotation of the bidirectional threaded rod 35 drives the inner threaded block 37 to move, the movement of the inner threaded block 37 drives the connecting plate 310 to move, the movement of the connecting plate 310 drives the sliding block 39 to slide on the sliding rod 38, the sliding rod 38 and the sliding block 39 limit the movement of the inner threaded block 37, and the rotation of the inner threaded block 37 is converted into linear motion, and the sliding rod 38 and the sliding block 39 make the movement of the connecting plate 310 more stable, the movement of the connecting plate 310 drives the positioning pin 311 to disengage from the positioning groove 312, and when the positioning pin 311 completely disengages from the positioning groove 312, the press 27 is further moved downward, so that the press 27 drives the mounting column 31 to disengage from the mounting groove 32, and the press 27 can be disassembled, when the press 27 is installed, first slide the mounting column 31 at the top of the press 27 into the mounting groove 32, when the mounting column 31 slides into the mounting groove 32, the protrusion 33 slides into the corresponding groove 34, the groove 34 and the protrusion 33 position the mounting column 31 in the mounting groove 32, thereby facilitating the installation of the press 27, then rotate the knob 36 in the reverse direction, the working principle of the reverse rotation of the knob 36 is the same as that of the forward rotation of the knob 36, so when the knob 36 is rotated in the reverse direction, the connecting plate 310 drives the positioning pin 311 to re-enter the positioning groove 312, and then the positioning pin 311 limits the movement of the mounting column 31, so that the mounting column 31 cannot move, thereby completing the installation of the press 27, so that the press 27 can be replaced, and the adaptability of the compression testing machine is greatly improved, and different shapes, sizes and materials of samples can be tested, and the testing is no longer limited to a specific type.

[0033] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The preferred embodiments of the above disclosed application are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. An expandable compression testing machine, characterized in that: Includes a base plate (1), on which a compression mechanism (2) and a disassembly mechanism (3) are provided; The compression mechanism (2) includes a U-shaped frame (21) fixedly connected to the top of the base plate (1). An electric push rod (22) is fixedly connected to the top of the U-shaped frame (21). The output shaft of the electric push rod (22) extends into the interior of the U-shaped frame (21) and is slidably connected to the U-shaped frame (21). T-shaped grooves (23) are provided on the left and right inner walls of the U-shaped frame (21). T-shaped sliders (24) are slidably connected to the inner walls of the two T-shaped grooves (23). A movable plate (25) is fixedly connected between the two T-shaped sliders (24). The movable plate (25) is slidably connected to the inner wall of the U-shaped frame (21). A mounting base (26) is fixedly connected to the bottom of the movable plate (25). A pressure fixture (27) is provided at the bottom of the mounting base (26).

2. The expandable compression testing machine according to claim 1, characterized in that, The press (27) is slidably connected to the inner wall of the shaped frame (21), and a sample piece (28) is provided on the top of the base plate (1).

3. The expandable compression testing machine according to claim 2, characterized in that, The disassembly mechanism (3) includes a mounting post (31) fixedly connected to the top of the press (27), and the bottom of the mounting base (26) is provided with a mounting groove (32). The top of the mounting post (31) extends to the inner wall of the mounting groove (32) and is slidably connected to the mounting groove (32).

4. An expandable compression testing machine according to claim 3, characterized in that, The outer wall of the mounting post (31) is fixedly connected to two protrusions (33), and the inner wall of the mounting groove (32) is provided with two grooves (34). Both protrusions (33) are slidably connected to the corresponding grooves (34).

5. An expandable compression testing machine according to claim 4, characterized in that, The inner wall of the mounting base (26) is rotatably connected to a bidirectional threaded rod (35), the front end of which extends to the outside of the mounting base (26), and a knob (36) is fixedly connected to the front end of the bidirectional threaded rod (35).

6. An expandable compression testing machine according to claim 5, characterized in that, The bidirectional threaded rod (35) is threaded with two internal threaded blocks (37), and the inner wall of the mounting base (26) is fixedly connected with a slide rod (38), on which two sliders (39) are slidably connected.

7. An expandable compression testing machine according to claim 6, characterized in that, Each of the two internal threaded blocks (37) is fixedly connected to a connecting plate (310) with a corresponding slider (39), and a positioning pin (311) is fixedly connected to the side of each of the two connecting plates (310) that are close to each other.

8. An expandable compression testing machine according to claim 7, characterized in that, Two positioning grooves (312) are provided on the outer side of the mounting post (31), and the two positioning pins (311) extend into the corresponding positioning grooves (312) at their close ends and slide in connection with the mounting base (26) and the mounting post (31).