CN217981055U - A rock slab crack resistance testing machine - Google Patents

Abstract

The utility model discloses a rock slab anti-crack performance testing machine, which comprises a base, a load-bearing device and a load-loading device, the load-loading device is fixed and erected above the load-bearing device through the base; the load-bearing device includes a horizontal A moving placement board, the placement board is used to place rock slabs; the load loading device includes a load loading module, an indenter module and an image acquisition module, and the indenter module and the image acquisition module pass through the load loading module The load loading module is installed above the placement plate so as to be movable up and down and left and right, and the load loading module is used to move the indenter module and apply load to the indenter module. The utility model proposes a rock slab anti-crack performance test machine, which can realize the crack resistance test of rock slab and other large materials, saves time and labor, has low test cost, and has relatively accurate test results.

Description

A rock slab crack resistance testing machine

technical field

The utility model relates to the technical field of rock slabs, in particular to a rock slab crack resistance testing machine.

Background technique

Ceramic slabs are a new hot spot in the current building ceramics industry, and have broad application prospects in cabinets, home appliances and other home furnishing fields.

Machinability is an important performance index of "ceramic slabs". At present, more than 30% of the products of many ceramic slabs/rock slabs at home and abroad will crack when they are machined, and the cracked slabs will be seriously damaged. affect product performance. Therefore, it is necessary to test the crack resistance of the rock slab to avoid cracking when the rock slab is machined.

At present, the anti-crack performance testing machines on the market are generally aimed at small materials (such as silicon wafers and aluminum sheets). If it is necessary to test the crack resistance performance of large materials such as rock slabs, manual testing is generally used. Manually testing the crack resistance of rock slabs has the following disadvantages: it is time-consuming and laborious, the test cost is high, and the test results obtained by manual testing are not accurate enough, which is not conducive to accurately judging the crack resistance of rock slabs.

Utility model content

The purpose of this utility model is to propose a rock slab anti-crack performance testing machine, which can realize the crack resistance test of rock slab and other large materials, and saves time and effort, and the test cost is low, and The test results are more accurate.

For this purpose, the utility model adopts the following technical solutions:

A rock slab crack resistance testing machine, comprising a base, a load-bearing device and a load-loading device, the load-loading device is fixedly erected above the load-bearing device through the base;

The load-bearing device includes a horizontally movable placing board, which is used for placing rock slabs;

The load loading device includes a load loading module, an indenter module and an image acquisition module, and the indenter module and the image acquisition module are installed above the placement plate so that they can move up and down and left and right through the load loading module, The load loading module is used to move the ram module and to apply a load to the ram module.

Further, the load loading module includes a column, a sliding crossbeam, a screw drive assembly and a lifting driver. There are two columns, and the two columns are vertically installed on the base, and the columns are respectively Located on both sides of the load-bearing device, the sliding crossbeam is mounted on the column so that it can move up and down through the screw drive assembly, and the sliding crossbeam is located above the load-bearing device, and the lifting driver is used to drive The rotation of the ball screw of the screw drive assembly, the rotation of the ball screw is used to drive the sliding beam to move up and down the column;

The indenter module and the image acquisition module are installed on the sliding beam.

Furthermore, the indenter module and the image acquisition module are installed on the sliding beam through a rotating member, the rotating member is rotatably installed on the sliding beam, and the rotating member can move along the sliding beam Sliding in the length direction of the rotary member, the rotation of the rotating member is used to change the positions of the indenter module and the image acquisition module, so that the indenter module or the image acquisition module is facing the placement plate.

Further, the load loading module also includes an electric telescopic rod, the push-out end of the electric telescopic rod is connected to the rotating member, and the electric telescopic rod is used to push the rotating member along the length direction of the sliding beam. Horizontal reciprocating movement.

Further, the load loading module also includes a controller and a speed regulating assembly, the speed regulating assembly includes a sensor and a speed regulating knob, the controller is connected in communication with the lifting driver and the sensor, the The rotation of the speed regulating knob adjusts the speed of the lifting driver through the sensor and the controller.

Furthermore, the load loading device also includes a load loading sensor, the rotating member is installed on the sliding beam through the load loading sensor, and the load loading sensor is used to detect when the pressure head module is against the rock slab. pressure.

Further, the load-bearing device includes a workbench, slide rails and the placement plate, the slide rails are provided with two, and the two slide rails are horizontally and symmetrically installed on the workbench, and the placement plate Slidingly fit with the slide rail;

The base is placed inside the workbench, and the two ends of the base protrude from both sides of the workbench.

Further, the load loading module also includes a limiter, the limiter is installed on the column, the limiter includes an induction element, the induction element communicates with the controller, and the limiter The positioner is used to limit the moving range of the sliding beam 32.

Furthermore, the indenter module includes at least two indenters.

Furthermore, the image acquisition module is an electron microscope.

The technical solutions provided by the embodiments of the present application may include the following beneficial effects:

1. Using instruments to test the crack resistance of rock slabs, compared with conventional manual testing of rock slab crack resistance, saves time and effort, lower testing costs, and more accurate test results.

2. Through the setting of the load-bearing device and the load-loading device, it is beneficial to measure the crack resistance of rock slabs of various sizes, and it is beneficial to improve the versatility of the testing machine.

3. The indenter module and the image acquisition module can be moved up and down and left and right and installed above the placement plate, which is conducive to generating loads at various positions of the rock plate to be tested and testing the crack resistance of each position of the rock plate to be tested.

Description of drawings

Fig. 1 is a perspective view of a rock slab crack resistance testing machine of the present invention.

Fig. 2 is a partial structural schematic diagram of a slab crack resistance testing machine of the present invention.

Fig. 3 is a cross-sectional view in the A-A direction of a slab crack resistance testing machine of the present invention.

Among them: including base 1, load-bearing device 2, placing plate 21, workbench 22, slide rail 23, load loading module 3, column 31, sliding beam 32, screw drive assembly 33, lifting driver 34, fixed beam 35, electric telescopic Rod 36 , speed control knob 37 , limiter 38 , pressure head module 4 , image acquisition module 5 , rotating member 6 , and load loading sensor 7 .

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

The technical solution provides a rock slab crack resistance testing machine, including a base 1, a load-bearing device 2 and a load-loading device, and the load-loading device is fixedly erected above the load-bearing device 2 through the base 1;

The load-bearing device 2 includes a horizontally movable placing board 21, and the placing board 21 is used for placing rock slabs;

The load loading device includes a load loading module 3, an indenter module 4 and an image acquisition module 5, and the indenter module 4 and the image acquisition module 5 are mounted on the device by moving up and down and left and right through the load loading module 3. Above the placement plate 21 , the load loading module 3 is used to move the indenter module 4 and apply load to the indenter module 4 .

At present, the anti-crack performance testing machines on the market are generally aimed at small materials (such as silicon wafers and aluminum wafers). If it is necessary to test the crack resistance of large materials such as rock slabs, manual testing is generally used. Manually measuring the crack resistance of rock slabs is time-consuming and laborious, and the test cost is high, and the test results obtained by manual testing are not accurate enough, which is not conducive to accurately judging the crack resistance of rock slabs.

In order to solve the above technical problems, this technical solution proposes a rock slab crack resistance testing machine, as shown in Figure 1-3.

The arrangement of the load-bearing device 2 and the load-loading device facilitates the measurement of the crack resistance of rock slabs of various sizes, and improves the versatility of the testing machine.

The indenter module 4 and the image acquisition module 5 are installed above the placement plate 21 so that they can move up and down and left and right, which is conducive to generating loads at various positions of the rock slab to be tested and testing various positions of the rock slab to be tested crack resistance.

When the rock slab crack resistance testing machine is working, the rock slab to be tested is first placed on the placement plate 21, and then the load loading module 3 drives the indenter module 4 and the image acquisition module 5 to move to the position to be tested. When the indenter module 4 and the image acquisition module 5 are close to the rock slab to be tested, stop moving. Adjust the image acquisition module 5 and make it focus. The main computer is used to control the load loading module 3 to drive the indenter module 4 to press down and lift up, so as to apply, maintain and remove the test force sequentially on the rock slab to be tested, and then generate cracks. After the crack is produced, the image acquisition module 5 is moved to the top of the crack, and the crack image is collected. The crack image enters the computer through the image acquisition module 5 and the CCD optical imaging system, and calculates the length of each crack by the measurement system, and calculates the average value. In order to obtain the crack resistance of the tested material.

Preferably, the pressing time of the indenter module 4 for the rock slab to be tested is 10-30s, and the specific time can be adjusted according to the rock slab to be tested.

It is worth noting that the CCD optical imaging system belongs to the prior art, and will not be repeated here.

Preferably, the base 1 is a cuboid structure with a length of 2.4m, a width of 0.5m, and a height of 0.3-0.4m.

Preferably, the placing plate 21 is a steel plate with a length of 3m, a width of 2m, and a thickness of 5-10cm.

This solution can realize the crack resistance test of large materials such as rock slabs. Compared with the conventional manual test of the crack resistance of rock slabs, it saves time and effort, the test cost is lower, and the test results are more accurate.

Further, the load loading module 3 includes a column 31, a sliding beam 32, a screw drive assembly 33 and a lifting driver 34, the column 31 is provided with two, and the two columns 31 are respectively installed vertically on the base 1, and the columns 31 are respectively located on both sides of the load-bearing device 2, and the sliding beam 32 is mounted on the column 31 to move up and down through the screw drive assembly 33, and the sliding beam 32 is located on the Above the load-bearing device 2 , the lifting driver 34 is used to drive the rotation of the ball screw of the screw drive assembly 33 , and the rotation of the ball screw is used to drive the sliding beam 32 on the column 31 up and down movement;

The indenter module 4 and the image acquisition module 5 are installed on the sliding beam 32 .

The lifting driver 34 can drive the screw drive assembly 33 to rotate, thereby controlling the sliding beam 32 to move up and down, thereby realizing the control of the indenter module 4 moving up and down, which is conducive to the smooth progress of the test work and is conducive to Increase automation.

Preferably, the screw drive assembly 33 includes the ball screw and the ball nut, two of the ball screws are installed inside the column 31 respectively, and the two ends of the sliding beam 32 are respectively The ball screw is connected to the ball screw through the ball nut.

Preferably, the load loading module 3 further includes a fixed beam 35 through which the tops of the two columns 31 are connected. The fixed beam 35 is beneficial to limit the movement range of the sliding beam 32 and prevent the sliding beam 32 from moving. Said sliding beam 32 is derailed.

Specifically, the lifting driver 34 is a motor.

Specifically, the height of the column 31 is 2-2.2m.

Further, the indenter module 4 and the image acquisition module 5 are installed on the sliding beam 32 through the rotating member 6, the rotating member 6 is rotatably installed on the sliding beam 32, and the rotating member 6 can slide along the length direction of the sliding beam 32, the rotation of the rotating member 6 is used to change the position of the indenter module 4 and the image acquisition module 5, so that the indenter module 4 or the image The collection module 5 is facing the placement board 21 .

The rotatable setting of the rotating member 6 enables the positions of the indenter module 4 and the image acquisition module 5 to be adjusted, which is beneficial to the image acquisition module after the indenter module 4 has finished working at the test point. 5 Move to the position of the test point and collect the image of the position, which is conducive to the smooth progress of the crack resistance test.

Further, the load loading module 3 also includes an electric telescopic rod 36, the push-out end of the electric telescopic rod 36 is connected to the rotating member 6, and the electric telescopic rod 36 is used to push the rotating member 6 along the The longitudinal direction of the sliding beam 32 reciprocates horizontally.

The electric telescopic rod 36 can drive the indenter module 4 and the image acquisition module 5 to move left and right along the sliding beam 32, which is beneficial to adjust the position of the indenter module 4 and the image acquisition module 5 The position in the horizontal direction is conducive to the measurement of the crack resistance of different positions of the slab.

It is worth noting that the expansion and contraction of the electric telescopic rod 36 can be controlled by a computer, which belongs to the prior art and will not be repeated here.

Further, the load loading module 3 also includes a controller and a speed regulating assembly, the speed regulating assembly includes a sensor and a speed regulating knob 37, and the controller is connected in communication with the lifting driver 34 and the sensor , the rotation of the speed regulating knob 37 adjusts the speed of the lifting driver 34 through the sensor and the controller.

During the focusing process of the image acquisition module 5, the speed regulating component can slow down the speed of the lifting driver 34, which is conducive to the focus of the image acquisition module 5 on the measured point, and is conducive to improving the clarity of the acquired image to improve the accuracy of the test.

It is worth noting that the sensor can sense the rotation range of the speed control knob 37 and transmit the signal to the controller, and the controller can control the speed of the lifting driver 34 according to the received signal, The specific scheme and principle of the speed regulating component to adjust the speed of the lifting driver 34 belong to the prior art, and will not be repeated here.

The load loading device also includes a load loading sensor 7, the rotating member 6 is installed on the sliding beam 32 through the load loading sensor 7, and the load loading sensor 7 is used to detect that the pressure head module 4 abuts against the rock. plate pressure.

Due to the force interaction, the load loading sensor 7 can detect the pressure applied by the indenter module 4 to the plate to be tested, and judge whether the applied pressure is the same as the pressure set by the computer, and provide feedback, which is conducive to improving the applied pressure. The accuracy of the pressure is conducive to improving the accuracy of the test data.

Further, the load-bearing device 2 includes a workbench 22, a slide rail 23 and the placement plate 21, two slide rails 23 are provided, and the two slide rails 23 are horizontally and symmetrically installed on the working table. platform 22, the placement plate 21 is slidingly matched with the slide rail 23;

The base 1 is placed inside the workbench 22 , and two ends of the base 1 protrude from both sides of the workbench 22 .

The slide rail 23 enables the placement plate 21 to move back and forth on the top of the workbench 22, which is conducive to the crack resistance test of the load loading module 3 at different positions of the rock slab to be tested, and is conducive to improving the accuracy of the test results. Accuracy.

Preferably, the workbench 221 is a cuboid structure with a length of 5-6m, a width of 2m, and a height of 1.1-1.2m.

Further, the load loading module also includes a limiter 38, the limiter 38 is installed on the column 31, the limiter 38 includes a sensing element, and the sensing element communicates with the controller , the limiter 38 is used to limit the moving range of the sliding beam 32 .

The limiter 38 is provided with an inductive element, which can detect the position of the sliding beam 32, and when the sliding beam 32 is about to exceed the set moving range, the inductive element sends a signal to the A controller, the controller controls the lifting driver 34 to be closed, so that the sliding beam 32 stops moving, which is beneficial for each working unit to maintain a safe working state, avoiding the failure of the testing machine, and improving safety.

Furthermore, the indenter module 4 includes at least two indenters.

It is beneficial to compare the length of cracks under different loads, so as to obtain the crack resistance of the rock slab, which is conducive to improving the accuracy of test results.

Specifically, the two indenters respectively adopt Vickers indenters HV5 and HV6.

Furthermore, the image acquisition module 5 is an electron microscope.

Compared with ordinary microscopes, electron microscopes have higher resolution. Since the cracks on slabs are generally small, the use of electron microscopes is beneficial to improve the clarity of collected images and the accuracy of test results.

Specifically, the electron microscope adopts a 40 times lens.

It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and/or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and/or combinations thereof.

The relative arrangements of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. At the same time, it should be understood that, for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the Authorized Specification. In all examples shown and discussed herein, any specific values should be construed as exemplary only, and not as limitations. Therefore, other examples of the exemplary embodiment may have different values. It should be noted that like numerals and letters denote like items in the following figures, therefore, once an item is defined in one figure, it does not require further discussion in subsequent figures.

In the description of the present utility model, it should be understood that orientation words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" etc. indicate The orientation or positional relationship is generally based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description. In the absence of a contrary statement, these orientation words do not indicate or imply the referred device Or components must have a specific orientation or be constructed and operated in a specific orientation, so it cannot be construed as limiting the protection scope of the present utility model; the orientation words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

For the convenience of description, spatially relative terms may be used here, such as "on ...", "over ...", "on the surface of ...", "above", etc., to describe the The spatial positional relationship between one device or feature shown and other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, devices described as "above" or "above" other devices or configurations would then be oriented "beneath" or "above" the other devices or configurations. under other devices or configurations”. Thus, the exemplary term "above" can encompass both an orientation of "above" and "beneath". The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

In addition, it should be noted that the use of words such as "first" and "second" to define components is only for the convenience of distinguishing corresponding components. To limit the scope of protection of the utility model.

It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein can be practiced in sequences other than those illustrated or described herein.

The technical principles of the present utility model have been described above in conjunction with specific embodiments. These descriptions are only for explaining the principle of the utility model, and cannot be construed as limiting the protection scope of the utility model in any way. Based on the explanations herein, those skilled in the art can think of other specific implementations of the present utility model without creative work, and these forms will all fall within the protection scope of the present utility model.

Claims (10)

1. A rock slab crack resistance testing machine, characterized in that: it comprises a base, a load-bearing device and a load-loading device, and the load-loading device is fixedly erected above the load-bearing device by the base; The load-bearing device includes a horizontally movable placing board, which is used for placing rock slabs; The load loading device includes a load loading module, an indenter module and an image acquisition module, and the indenter module and the image acquisition module are installed above the placement plate so that they can move up and down and left and right through the load loading module, The load loading module is used to move the ram module and to apply a load to the ram module. 2. A rock slab crack resistance testing machine according to claim 1, characterized in that: the load loading module includes a column, a sliding beam, a screw drive assembly and a lifting driver, and the column is provided with two, The two uprights are installed vertically on the base respectively, and the uprights are respectively located on both sides of the load-bearing device, the sliding crossbeam is mounted on the uprights so that it can move up and down through the screw drive assembly, and The sliding beam is located above the load-bearing device, and the lifting driver is used to drive the rotation of the ball screw of the screw drive assembly, and the rotation of the ball screw is used to drive the sliding beam on the column up and down movement; The indenter module and the image acquisition module are installed on the sliding beam. 3. A rock slab crack resistance testing machine according to claim 2, characterized in that: the indenter module and the image acquisition module are installed on the sliding beam through a rotating member, and the rotating member can be rotated is mounted on the sliding beam, and the rotating member can slide along the length direction of the sliding beam, the rotation of the rotating member is used to change the position of the indenter module and the image acquisition module, so that the The indenter module or the image acquisition module is facing the placement board. 4. A rock slab crack resistance testing machine according to claim 3, characterized in that: the load loading module also includes an electric telescopic rod, and the push-out end of the electric telescopic rod is connected with the rotating member, so that The electric telescopic rod is used to push the rotating member to reciprocate horizontally along the length direction of the sliding beam. 5. A rock slab crack resistance testing machine according to claim 2, characterized in that: the load loading module further includes a controller and a speed regulating assembly, and the speed regulating assembly includes an inductor and a speed regulating knob, The controller is connected in communication with the lifting driver and the sensor, and the speed of the lifting driver is adjusted by the rotation of the speed regulating knob through the sensor and the controller. 6. A rock slab crack resistance testing machine according to claim 3, characterized in that: the load loading device further includes a load loading sensor, and the rotating member is installed on the sliding beam through the load loading sensor , the load loading sensor is used to detect the pressure when the pressure head module is against the rock slab. 7. A rock slab crack resistance testing machine according to claim 1, characterized in that: the load-bearing device includes a workbench, slide rails and the placement plate, the slide rails are provided with two, two The slide rails are horizontally and symmetrically installed on the workbench, and the placement plate is slidingly matched with the slide rails; The base is placed inside the workbench, and the two ends of the base protrude from both sides of the workbench. 8. A rock slab crack resistance testing machine according to claim 5, characterized in that: the load loading module also includes a limiter, the limiter is installed on the column, and the limiter It includes an induction element, the induction element communicates with the controller, and the limiter is used to limit the moving range of the sliding beam 32 . 9. A rock slab crack resistance testing machine according to claim 1, wherein the indenter module includes at least two indenters. 10. A rock slab crack resistance testing machine according to claim 1, characterized in that: the image acquisition module is an electron microscope.

Images