Sample preparation device for testing bonding strength of plastering mortar and rock wool strips

Abstract

The utility model discloses a plastering mortar and rock wool strip bonding strength test sample preparation device which comprises a base and a forming die fixedly installed on the base, the forming die comprises an outer die frame fixed on the base in a rectangular ring shape and partition plates dividing a cavity in the outer die frame into a plurality of cells, a plurality of pairs of inserting grooves penetrating through the outer mold frame in the thickness direction are formed in the two side walls of the outer mold frame in the length direction, the two ends of the partition plate are slidably inserted into the inserting grooves respectively, a groove matched with the inner wall of the outer mold frame in size is formed in the base, and a top plate is installed in the groove in a liftable mode. According to the sample preparation device for testing the bonding strength of the plastering mortar and the rock wool strips, the sample preparation efficiency can be effectively improved through the matching of the partition plate and the outer mold frame, a plurality of samples can be prepared at a time, and meanwhile, the quality of the samples can be kept consistent to the maximum extent through the matching of the pressure mechanism.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering sample preparation equipment technical field especially relates to a kind of bonding strength test sample preparation device of finishing mortar and rock wool strip. BACKGROUND

[0002] Rock wool strip is used as a lot in engineering operation Heat preservation main material, its outside generally will be daubed with a layer of finishing mortar, to guarantee the quality of engineering operation, the tensile bonding strength test between finishing mortar and rock wool strip is indispensable.And in the tensile bonding strength test process of finishing mortar and rock wool strip, the most tedious step is sample preparation process, i.e. preparation multiple small pieces of completed bonded mortar and rock wool sample.

[0003] Currently finishing mortar and rock wool sample preparation are generally manually operated, but manual sample preparation has many shortcomings, first, to ensure that slurry and rock wool are in uniform contact during sample preparation, personnel need to manually apply pressure, but manually applied pressure is uneven, it is difficult to ensure stable bonding pressure, which affects curing effect, second, manual sample preparation efficiency is low, which wastes detection time, and sample demolding also needs manual demolding, which is cumbersome and can easily damage sample.

[0004] Therefore, in view of the above-mentioned technical problems, it is necessary to provide a new technical solution. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of sample curing effect is better, demolding is more convenient and stable and the bonding strength test sample preparation device of finishing mortar and rock wool strip is more efficient.

[0006] To solve the above technical problems, the utility model provides a kind of bonding strength test sample preparation device of finishing mortar and rock wool strip, and the specific technical solutions are as follows:

[0007] A kind of bonding strength test sample preparation device of finishing mortar and rock wool strip, including base and fixed installation on the base forming die, the forming die includes the outer mold frame that is rectangular ring and is fixed on the base and the partition plate that separates the cavity in the outer mold frame into multiple cells, the outer mold frame length direction two sides wall is equipped with multiple pairs of insertion slot that penetrates the thickness direction of outer mold frame, the partition plate two ends are slidably inserted in a pair of insertion slot, base is equipped with recess that is suitable for the size of outer mold frame inner wall, recess is equipped with top plate that can be lifted and lowered.

[0008] Preferably, the base is equipped with several installation grooves, the installation groove is fixed with lifting platform, the lifting platform has telescopic rod that can move along vertical direction, the top plate is connected and fixed with the top end of telescopic rod of lifting platform.

[0009] Preferably, a pressure mechanism is further installed on the base, the pressure mechanism is installed above the forming mold and can move along the length direction of the outer mold frame, the bottom of the pressure mechanism is provided with an extendable pressure rod, the bottom end of the pressure rod is fixedly provided with a pressing plate, and the bottom surface of the pressing plate is covered with a silica gel pad.

[0010] Preferably, a pressure sensor is further arranged between the pressing plate and the pressure rod, and a position sensor connected with the pressure rod in signal is arranged on one side of the pressing plate.

[0011] Preferably, a pair of slide rails are fixedly arranged on the base, the two slide rails are vertically arranged on the outer sides of the two ends of the forming mold respectively, a cross beam is arranged between the two slide rails, the cross beam is slidably connected with the two slide rails through slide blocks at the two ends respectively, and the pressure mechanism is installed on the cross beam and can reciprocate along the cross beam.

[0012] Preferably, a closed cover is arranged on the base, the forming mold and the pressure mechanism are located in the cover, a sealable sealing door is arranged on the cover, the inside and outside of the cover are communicated or cut off through the opening and closing of the sealing door, and a temperature and humidity regulator for adjusting the temperature and humidity in the cover is arranged in the cover.

[0013] The face mortar and rock wool strip bonding strength test sample preparation device has the following beneficial effects:

[0014] The face mortar and rock wool strip bonding strength test sample preparation device can effectively improve the sample preparation efficiency, prepare multiple samples at a time, ensure that the quality of the samples is consistent to the maximum extent through cooperation of the pressure mechanism, effectively replace manual demolding through the top plate, reduce sample damage, effectively ensure the curing effect of the mortar in the sample through the closed space and the temperature and humidity regulator, and improve detection accuracy.

[0015] Additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the present application, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.

[0017] Figure 1 It is a structure schematic view of a face mortar and rock wool strip bonding strength test sample preparation device.

[0018] Figure 2 It isFigure 1 Structure diagram of the middle forming die.

[0019] Wherein, 1-base; 11-slideway; 12-crossbeam; 2-forming die; 21-outer die frame; 22-baffle; 23-lifting platform; 24-top plate; 3-housing; 31-humidity regulator; 4-pressure mechanism; 41-pressing plate; 42-pressure sensor; 43-position sensor. DETAILED DESCRIPTION

[0020] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application. EMBODIMENT

[0021] Please refer to Figures 1 to 2 A device for preparing samples for testing the bonding strength between a finishing mortar and a rock wool strip, comprising a base 1 and a forming die 2 fixedly installed on the base, the forming die comprises an outer die frame fixedly installed on the base in a rectangular ring shape and a baffle 22 for separating a cavity in the outer die frame into a plurality of unit cells, a plurality of pairs of insertion slots penetrating through the thickness direction of the outer die frame are formed on the length direction two side walls of the outer die frame, the baffle is slidably inserted in one pair of insertion slots at two ends respectively, and a groove with a size matching the inner wall of the outer die frame is formed on the base, and a top plate 24 is installed in the groove in a liftable manner.

[0022] A plurality of installation grooves are formed on the base 1, a lifting platform 23 is fixedly installed in the installation grooves, the lifting platform has an extension rod movable in a vertical direction, and the top plate 24 is fixedly connected with the top end of the extension rod of the lifting platform.

[0023] A pressure mechanism 4 is further installed on the base 1, the pressure mechanism is installed above the forming die and is movable along the length direction of the outer die frame, the bottom of the pressure mechanism has an extendable pressure rod, a pressing plate 41 is fixedly arranged at the bottom end of the pressure rod, and a silica gel pad is arranged on the bottom surface of the pressing plate.

[0024] A pressure sensor 42 is further arranged between the pressing plate 41 and the pressure rod, and a position sensor 43 connected with the signal of the pressure rod is installed on one side of the pressing plate.

[0025] A pair of slideways 11 are fixedly arranged on the base 1, the two slideways are vertically arranged on the outer sides of the two ends of the forming die respectively, a crossbeam 12 is installed between the two slideways, the two ends of the crossbeam are slidably connected with the two slideways through sliding blocks, and the pressure mechanism is installed on the crossbeam and is reciprocally movable along the crossbeam.

[0026] The base 1 is covered with a closed cover 3, the forming die and the pressure mechanism are located inside the cover, a sealable door is installed on the cover, the inside and outside of the cover are communicated or separated through the opening and closing of the sealable door, a temperature and humidity regulator 31 is installed in the cover for adjusting the temperature and humidity inside the cover.

[0027] The sample preparation device for testing the bonding strength between the finishing mortar and the rock wool strip in the embodiment is used in sample preparation, the sealable door is opened, the rock wool strip is first padded in the outer mold frame without inserting the partition plate, then the partition plate is inserted, the finishing mortar is injected into each unit cell, after the sealable door is closed, the temperature and humidity inside the cover are adjusted according to the detection requirement, the pressure mechanism is used to apply pressure to the mortar, the pressure sensor 42 is used to control the pressure applied each time to ensure that the pressure is constant, meanwhile, the position sensor is used to avoid the partition plate to prevent the partition plate from affecting the work of the pressing plate, after the mortar is solidified and formed, the top plate is lifted out of the test sample and the partition plate under the jacking action of the lifting platform, then only the sample needs to be taken out and sheared to obtain multiple test samples.

[0028] The beneficial effects of the utility model are: through the cooperation of the partition plate and the outer mold frame, the sample preparation efficiency can be effectively improved, multiple samples can be prepared at a time, meanwhile, the cooperation of the pressure mechanism can ensure that the quality of the samples is consistent to the maximum extent, the top plate can effectively replace manual demolding, reduces the damage of the samples, the closed space combined with the temperature and humidity regulator can effectively ensure the solidification effect of the mortar in the test sample, and improves the detection accuracy.

[0029] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as the limitation of the utility model, the ordinary skilled in the art can change, modify and transform the above-mentioned embodiments within the scope of the utility model.

Claims

1. A device for preparing samples for testing the adhesion strength of a rendering mortar to a rock wool strip, characterized in that it comprises: Including base (1) and fixedly installed on the base forming die (2), the forming die includes rectangular ring fixed on the base outer mold frame and the partition plate (22) that divides the cavity in the outer mold frame into multiple unit cells, a plurality of pairs of insertion slots are arranged on the length direction two side walls of the outer mold frame, the partition plate is slidably inserted in a pair of insertion slots, a groove with the size of the inner wall of the outer mold frame is arranged on the base, and the top plate (24) is installed in the groove.

2. A test specimen preparation device for bonding strength testing of a render mortar to a rock wool strip according to claim 1, characterized in that: A plurality of installation grooves are arranged on the base (1), and a lifting platform (23) is fixedly installed in the installation groove, the lifting platform has an extension rod that can move in the vertical direction, and the top plate (24) is connected and fixed with the top end of the extension rod of the lifting platform.

3. A test specimen preparation device for bonding strength testing of a render mortar to a rock wool strip according to claim 1, characterized in that: The base (1) is further provided with a pressure mechanism (4), the pressure mechanism is installed above the forming die, the pressure mechanism can move along the length direction of the outer mold frame, the bottom of the pressure mechanism is provided with a telescopic pressure rod, the bottom end of the pressure rod is fixedly provided with a pressing plate (41), and the bottom surface of the pressing plate is covered with a silica gel pad.

4. A test specimen preparation device for bonding strength testing of a render mortar to a rock wool strip according to claim 3, characterized in that: The pressure sensor (42) is arranged between the pressing plate (41) and the pressure rod, and the position sensor (43) connected with the pressure rod signal is arranged on one side of the pressing plate.

5. A test specimen preparation device for bonding strength testing of a render mortar to a rock wool strip according to claim 3, characterized in that: A pair of slide rails (11) are fixedly arranged on the base (1), the two slide rails are vertically arranged outside the two ends of the forming die, a cross beam (12) is arranged between the two slide rails, the cross beam is slidably connected with the two slide rails through the sliding blocks at the two ends, and the pressure mechanism is installed on the cross beam and can reciprocate along the cross beam.

6. A test specimen preparation device for bonding strength testing of a rendering mortar to a rock wool strip according to any one of claims 3-5, characterized in that: The base (1) is covered with a closed cover shell (3), the forming die and the pressure mechanism are located in the cover shell, a sealable sealing door is installed on the cover shell, the inside and outside of the cover shell are communicated or separated through the opening and closing of the sealing door, and a temperature and humidity regulator (31) for adjusting the temperature and humidity in the cover shell is installed in the cover shell.

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