A 3D-printed mortar flexural strength testing fixture

Abstract

This utility model discloses a 3D printed mortar bending strength testing fixture, including a bracket, with clamping plates movably installed between the brackets, a cylinder fixedly installed on the top of the clamping plates, an mounting plate fixedly installed at the output end of the cylinder, sensors fixedly installed at both ends of the mounting plate, and a baffle fixedly installed inside the clamping plates. This 3D printed mortar bending strength testing fixture allows the clamping plates to collect the mortar sample. When testing is required, the mortar sample is placed on the top of the baffle. The sensors detect the mortar sample, and when detected, the cylinder is activated, causing the mounting plate to move downwards, thus holding the mortar sample in place. During testing, the operator simply places the mortar sample inside the clamping plates, and the electrical system senses and clamps it. This device automatically clamps the sample during testing, eliminating the need for manual clamping and saving time and effort.

Description

Technical Field

[0001] This utility model relates to the field of mortar testing fixture technology, specifically a 3D printed mortar bending strength testing fixture. Background Technology

[0002] 3D printing mortar is a new type of building material. It is constructed by layering complex structures through 3D printing technology. It has the characteristics of extrudability and constructability. The flexural strength test of 3D printing mortar evaluates the material's ability to resist fracture by simulating bending load. It is mainly used to detect the mechanical properties of 3D printed mortar components. The test can evaluate the mortar's load-bearing capacity under bending load, ensuring its stability and safety in practical applications. The test process requires clamping, but the existing flexural strength test clamps cannot be automatically clamped, which is not convenient. Therefore, a flexural strength test clamp for 3D printed mortar is proposed.

[0003] Existing 3D printed mortar flexural strength testing fixtures cannot automatically clamp the mortar, and manual clamping is time-consuming and labor-intensive, increasing the workload of staff, affecting the normal operation of the test, and reducing the efficiency of the test. In addition, the device cannot know the test pressure, which may lead to insufficient pressure in the flexural strength test, making it impossible to detect the strength of the mortar, thus affecting the quality of the mortar in the later stage. Utility Model Content

[0004] The purpose of this utility model is to provide a 3D printed mortar bending strength test fixture to solve the problem mentioned in the background art that the existing 3D printed mortar bending strength test fixtures often use bolts and auxiliary tools for installation or disassembly, which may reduce the efficiency of installation and disassembly, and cannot automatically adjust the tilt angle of the central control platform, making it inconvenient to operate and reducing its practicality.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a 3D printed mortar bending strength testing fixture, comprising a bracket, with clamping plates movably installed between the brackets, a cylinder fixedly installed on the top of the clamping plates, an mounting plate fixedly installed at the output end of the cylinder, sensors fixedly installed at both ends of the mounting plate, a baffle fixedly installed inside the clamping plates, a placement groove movably installed between the clamping plates, a pressure sensor movably installed inside the placement groove, limit blocks fixedly installed on both sides of the pressure sensor, a pressure plate fixedly installed on the top of the pressure sensor, and fixing components fixedly installed on both sides of the placement groove.

[0006] Preferably, a protective cover is movably installed on the top of the bracket, a press is movably installed inside the protective cover, and collection boxes are movably installed on both sides of the bracket, with the protective cover protecting the press.

[0007] Preferably, exhaust fans are fixedly installed on both sides of the collection box, and a filter screen is fixedly installed inside the exhaust fan. A pipe is fixedly installed between the collection boxes, and the exhaust fan sucks up impurities.

[0008] Preferably, a protective door is movably installed on the surface of the pipe, and a through hole is opened through the surface of the protective door. A sealing plug is movably installed inside the through hole, and the protective door facilitates the protection of the collection box.

[0009] Preferably, a workbench is movably installed at the bottom of the protective door, and the bottom of the workbench is fixedly equipped with support legs, so that the workbench can easily support the work.

[0010] Preferably, a collection box is fixedly installed between the legs, and a fixing hole is opened through the surface of the collection box, which collects mortar components.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] This 3D-printed mortar bending strength testing fixture has a clamping plate that can collect mortar samples. When the operator needs to perform the test, the mortar sample is placed on top of the baffle. The sensor detects the mortar sample, and when it is detected, the cylinder is activated, causing the mounting plate to move downwards and hold the mortar sample in place. When the operator is working, they only need to place the mortar sample inside the clamping plate, and the electrical system will sense and clamp it. When used together, this device can automatically clamp the sample during testing, eliminating the need for manual clamping, saving time and effort, reducing the workload of the operator, not affecting the normal operation of the test, and increasing the efficiency of the test.

[0013] This 3D printed mortar bending strength testing fixture has a placement slot to collect pressure sensors. Limiting blocks secure the pressure sensors within the placement slot, and fasteners fix the placement slot to the top of the worktable. A mortar sample is placed on a pressure plate, and a press applies pressure to the sample. Pressure sensors detect the pressure value, which is displayed by an external controller. If the pressure is too low, the press can be increased. This device allows for accurate measurement of the test pressure, ensuring that the bending strength test does not result in insufficient pressure and accurately detects the mortar's strength without affecting its subsequent quality. Attached Figure Description

[0014] Figure 1 This is the front view of the present invention;

[0015] Figure 2 This is a schematic diagram of the structure of this utility model;

[0016] Figure 3This is a partial structural diagram of the collection box of this utility model;

[0017] Figure 4 This is a partial perspective view of the clamping plate of this utility model;

[0018] Figure 5 This is a partial perspective view of the placement groove of this utility model.

[0019] In the diagram: 1. Bracket; 101. Protective sleeve; 102. Press; 2. Clamping plate; 201. Cylinder; 202. Mounting plate; 203. Sensor; 204. Baffle; 3. Placement slot; 301. Pressure sensor; 302. Limiting block; 303. Pressure plate; 304. Fixing component; 4. Collection box; 401. Exhaust fan; 402. Filter screen; 403. Pipe; 5. Protective door; 501. Through hole; 502. Sealing plug; 6. Workbench; 601. Support leg; 7. Collection box; 701. Fixing hole. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example 1:

[0022] Please see Figures 1-5 A 3D printed mortar bending strength testing fixture includes a bracket 1, with clamping plates 2 movably mounted between the brackets 1. A cylinder 201 is fixedly mounted on the top of the clamping plates 2, and a mounting plate 202 is fixedly mounted on the output end of the cylinder 201. Sensors 203 are fixedly mounted on both ends of the mounting plate 202. A baffle 204 is fixedly mounted inside the clamping plates 2. A placement groove 3 is movably mounted between the clamping plates 2, and a pressure sensor 301 is movably mounted inside the placement groove 3. Both sides of the pressure sensor 301 are fixedly mounted... A limit block 302 is fixedly installed. A pressure plate 303 is fixedly installed on the top of the pressure sensor 301. Fixing parts 304 are fixedly installed on both sides of the placement groove 3. A protective sleeve 101 is movably installed on the top of the bracket 1. A press 102 is movably installed inside the protective sleeve 101. A collection box 4 is movably installed on both sides of the bracket 1. A fan 401 is fixedly installed on both sides of the collection box 4. A filter screen 402 is fixedly installed inside the fan 401. A pipe 403 is fixedly installed between the collection boxes 4.

[0023] In this invention, clamping plate 2 can collect mortar components. When the operator needs to perform testing, the mortar component is placed on top of baffle 204. Then, sensor 203 can detect the mortar component. When the mortar component is detected, cylinder 201 is activated, causing mounting plate 202 to move downwards, which can hold the mortar component in place. When the operator is working, they only need to place the mortar component inside clamping plate 2, and then the electrical components will sense and clamp it. In conjunction with this device, the clamping can be performed automatically during testing, eliminating the need for manual clamping, saving time and effort, reducing the workload of the operator, and not affecting the normal operation of the test, thus increasing the efficiency of the test. Pressure sensor 301 can be collected using placement slot 3. Limiting block 302 can hold pressure sensor 301 inside placement slot 3. Fixing member 304 can fix placement slot 3 to the top of workbench 6. Then, mortar component is placed on pressure plate 303. The press 102 presses the mortar component. The pressure sensor 301 senses the pressure value, which is displayed by an external controller. If the pressure value is too low, the press 102 can be used to apply more pressure. This device can detect the test pressure during testing, and will not cause the pressure to be too low during the bending strength test. It can detect the strength of the mortar and will not affect the quality of the mortar in the later stage. The support 1 supports the press 102, and the protective cover 101 protects the press 102. The press 102 can perform pressure testing. Then, the collection box 4 fixes the exhaust fan 401. After the bending work is completed, the pressure will cause the mortar component to fall into debris. The exhaust fan 401 can be turned on to draw the debris from the inside of the pipe 403 into the inside of the collection box 4, which can increase the cleanliness of the workbench 6. The filter screen 402 can prevent debris from entering the exhaust fan 401 when suctioning debris.

[0024] Example 2:

[0025] Please see Figures 1-5A 3D printed mortar bending strength testing fixture includes a bracket 1, with clamping plates 2 movably installed between the brackets 1. A cylinder 201 is fixedly installed on the top of the clamping plate 2, and an mounting plate 202 is fixedly installed on the output end of the cylinder 201. Sensors 203 are fixedly installed on both ends of the mounting plate 202. A baffle 204 is fixedly installed inside the clamping plate 2. A placement groove 3 is movably installed between the clamping plates 2. A pressure sensor 301 is movably installed inside the placement groove 3. Limit blocks 302 are fixedly installed on both sides of the pressure sensor 301. A pressure plate 303 is fixedly installed on the top of the pressure sensor 301. Fixing parts 304 are fixedly installed on both sides of the placement groove 3. A protective door 5 is movably installed on the surface of the pipe 403. A through hole 501 is opened through the surface of the protective door 5. A sealing plug 502 is movably installed inside the through hole 501. A worktable 6 is movably installed at the bottom of the protective door 5. Support legs 601 are fixedly installed at the bottom of the worktable 6.

[0026] In this utility model, the protective door 5 can open the collection box 4 to facilitate the collection of debris. The through hole 501 allows for ventilation. When the collection box 4 is ventilating, the through hole 501 is sealed by the sealing plug 502 to facilitate the ventilation operation. The sealing plug 502 can also be used as a handle for easy use. Then, the workbench 6 can be used to support the device, and the support legs 601 can be used to place it on the ground.

[0027] Example 3:

[0028] Please see Figures 1-5 A 3D printed mortar bending strength testing fixture includes a bracket 1, with clamping plates 2 movably installed between the brackets 1. A cylinder 201 is fixedly installed on the top of the clamping plate 2, and an mounting plate 202 is fixedly installed on the output end of the cylinder 201. Sensors 203 are fixedly installed on both ends of the mounting plate 202. A baffle 204 is fixedly installed inside the clamping plate 2. A placement groove 3 is movably installed between the clamping plates 2. A pressure sensor 301 is movably installed inside the placement groove 3. Limit blocks 302 are fixedly installed on both sides of the pressure sensor 301. A pressure plate 303 is fixedly installed on the top of the pressure sensor 301. Fixing parts 304 are fixedly installed on both sides of the placement groove 3. A collection box 7 is fixedly installed between the legs 601, and a fixing hole 701 is opened through the surface of the collection box 7.

[0029] In this invention, after the mortar component has completed its bending resistance work, the mortar component can be poured into the collection box 7 through the fixing hole 701 for easy collection.

[0030] Working Principle: The device is first supported by the workbench 6 and placed on the ground by the support legs 601. Then, the press 102 is supported by the bracket 1, and the protective sleeve 101 protects the press 102. The press 102 performs pressure testing. The clamping plate 2 collects the mortar sample. When testing is required, the mortar sample is placed on top of the baffle 204. The sensor 203 detects the mortar sample. When detected, the cylinder 201 is activated, moving the mounting plate 202 downwards to hold and fix the mortar sample. During operation, the mortar sample is placed inside the clamping plate 2, and the electrical components sense and clamp it. The pressure sensor 301 is collected by the placement groove 3, and the pressure sensor 301 is secured inside the placement groove 3 by the limit block 302. The fixing piece 304 fixes the placement groove 3 to the top of the workbench 6. Finally, the pressure plate 303 is placed... Place the mortar component, and then press the mortar component with the press 102. The pressure value can be sensed by the pressure sensor 301 and displayed by the external controller. If the pressure value is too low, the press 102 can be used to apply more pressure. Then, the exhaust fan 401 can be fixed in place using the collection box 4. After the bending work is completed, because the pressure will cause mortar components to fall off, the exhaust fan 401 can be started to draw the debris from inside the pipe 403 into the collection box 4, which can increase the efficiency of the process. The cleanliness of the workbench 6 is ensured by the filter screen 402, which prevents debris from entering the exhaust fan 401 during the suction process. The protective door 5 allows the collection box 4 to be opened for easy collection of debris. Ventilation is possible through the through hole 501. When the collection box 4 is being ventilated, the through hole 501 is sealed by the sealing plug 502 to facilitate the ventilation process. The sealing plug 502 also functions as a handle. After the mortar component bending work is completed, the mortar component can be poured into the collection box 7 through the fixing hole 701 for easy collection.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A 3D printing mortar flexural strength test jig comprising a support (1) characterised in that: Clamping plates (2) are movably installed between the brackets (1). A cylinder (201) is fixedly installed on the top of the clamping plate (2). An installation plate (202) is fixedly installed at the output end of the cylinder (201). Sensors (203) are fixedly installed at both ends of the installation plate (202). A baffle (204) is fixedly installed inside the clamping plate (2). A placement groove (3) is movably installed between the clamping plates (2). A pressure sensor (301) is movably installed inside the placement groove (3). Limiting blocks (302) are fixedly installed on both sides of the pressure sensor (301). A pressure plate (303) is fixedly installed on the top of the pressure sensor (301). Fixing members (304) are fixedly installed on both sides of the placement groove (3).

2. The 3D printing mortar flexural strength test fixture of claim 1, wherein: A protective sleeve (101) is movably installed on the top of the bracket (1), and a press (102) is movably installed inside the protective sleeve (101). Collection boxes (4) are movably installed on both sides of the bracket (1).

3. The test fixture of claim 2, wherein: Both sides of the collection box (4) are fixedly installed with exhaust fans (401), and the inside of the exhaust fan (401) is fixedly installed with a filter screen (402). A pipe (403) is fixedly installed between the collection boxes (4).

4. The test fixture of claim 3, wherein: A protective door (5) is movably installed on the surface of the pipe (403), and a through hole (501) is opened through the surface of the protective door (5). A sealing plug (502) is movably installed inside the through hole (501).

5. The 3D printing mortar flexural strength test fixture of claim 4, wherein: The bottom of the protective door (5) is movably equipped with a workbench (6), and the bottom of the workbench (6) is fixedly equipped with support legs (601).

6. The 3D printing mortar flexural strength test fixture of claim 5, wherein: A collection box (7) is fixedly installed between the legs (601), and a fixing hole (701) is provided through the surface of the collection box (7).

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