CN205928969U - Concrete mortar sample make -up machine - Google Patents

Abstract

Concrete mortar sample molding machine, including a test bench, the upper surface of the test bench is provided with a concrete sample demoulding device and a concrete mortar trial device, and the concrete mortar trial device includes a first base and a mortar trial mechanism located above the first base , the mortar test mechanism includes a mounting seat, a rotating shaft, a pressing cover and a test frame. The bottom of the mounting seat is connected to the upper surface of the first base through a number of buffer springs, and all the buffer springs are circumferentially uniform around the center of the first base. Arrangement, there is an installation groove on the installation seat, and a motor located at the bottom of the installation groove is arranged in the installation seat; compared with the traditional concrete compaction instrument, the utility model makes the concrete sample dense through the drive of the eccentric wheel. During the compaction process, Due to the supporting effect of the spring, no great noise will be generated, and the test environment is good; compared with the traditional manual operation of splitting the cast iron mold for demoulding after demoulding, the utility model is obviously more convenient and quicker.

Description

Concrete Mortar Sample Forming Machine

technical field

The utility model belongs to the technical field of coal mine underground operation equipment, in particular to a concrete mortar sample molding machine.

Background technique

Mortar is made by mixing inorganic cementitious materials with fine aggregate and water in proportion. It is also called mortar. It is used for masonry and plastering projects. It can be divided into masonry mortar and plastering mortar. The masonry of blocks and other components and the installation of components, the latter is used for plastering the surfaces of walls, floors, roofs and beam-column structures to meet the requirements of protection and decoration. Some of the ordinary mortar materials are gypsum, lime plaster or clay mixed with fibrous reinforcing materials and water to prepare a paste, which is called ash, paste, mud or cement. In some construction applications, the mortar needs to be condensed into a block, so a specific molding test mold is required. The test mold is a frequently used accessory of construction equipment. It is divided into cast iron and plastic molds. The cast iron mold is durable and has high recycling value. , but when making concrete samples, there are the following defects: (1) when the existing cast iron test form is used to make concrete test blocks, since the cast iron test form is composed of side plates, bottom plates and partition plates, when demolding First, disassemble the cast iron test form, and then take out the concrete test block. All operations are manual, and the operation steps are relatively cumbersome; (2) After filling the concrete sample in the test form, the test form needs to be placed in the concrete compactor On the other hand, the concrete compaction instrument is driven by electric motor, and the vibration and noise are large, which affects the test environment.

Utility model content

In order to solve the deficiencies in the prior art, the utility model provides a concrete mortar sample molding machine with convenient operation, reasonable structure design, low noise during the test, and rapid demoulding.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical scheme: the concrete mortar sample molding machine includes a test bench, and the upper surface of the test bench is provided with a concrete test block demoulding device and a concrete mortar trial device, and the concrete mortar trial device includes The first base and the mortar trial mechanism located above the first base. The mortar trial mechanism includes a mounting seat, a rotating shaft, a compression cover and a trial frame. The bottom of the mounting seat is connected to the upper surface of the first base through a number of buffer springs. All the buffer springs are evenly arranged in the circumferential direction around the center of the first base. There is an installation groove on the installation seat, and a motor at the bottom of the installation groove is arranged in the installation seat. The main shaft of the motor is arranged horizontally. Pulley, the rotating shaft is connected to the mounting base in rotation, the center line of the rotating shaft is horizontally set along the left and right direction, the rotating shaft is fixed with a slave pulley, the slave pulley is located directly above the main pulley, the slave pulley is connected to the main pulley through a belt, and the left end of the rotating shaft and the right end are provided with an eccentric wheel, and the two eccentric wheels are arranged symmetrically about the center of the rotating shaft; two support rods are fixed on the left side of the mounting base, and the two support rods are vertically arranged, and the two support rods are arranged side by side along the front and rear directions set up;

The test mold frame is placed on the upper surface of the mounting base. The test mold frame is a transparent rectangular frame body. There are two partition plates fixed in the test mold frame. The two partition plates are arranged in parallel. The inside of the frame is equally divided into three mold cavities; the left edge of the compression cover is hinged on two support rods, and the right edge of the compression cover is connected with the test mold frame through buckles;

The demoulding device for the concrete test block includes a second base and a demoulding mechanism. The second base is a cuboid structure. The upper surface of the second base is provided with a rectangular mold groove. The upper edge of the mold groove is a stepped structure. The demoulding mechanism includes a die and four guide rods, the four guide rods are vertically fixed on the second base, the four guide rods are located at the four corners of the second base, each guide rod is equipped with a return spring, and the return spring is respectively connected to the die The bottom and the second base are press-fitted. There are four slide holes on the die, and each guide rod is inserted into the corresponding slide hole. The bottom of the die is fixed with three push blocks, and the size of the push blocks is smaller than that of the die. The size of the cavity, the top of the die is provided with a handle.

The second base is provided with a rubber protective layer at the bottom of the mold cavity.

By adopting the above-mentioned technical scheme, the utility model has the following beneficial effects: the working principle of the concrete mortar test block of the utility model is as follows: (1) first, apply a layer of demoulding on the inner wall of the test frame and the outer wall of the partition plate Then put the test mold frame on the mounting base, then fill the concrete sample in the mold cavity, after the filling is completed, connect the compression cover with the test mold frame through buckles, at this time the compression cover tightly holds the test sample The mold frame is pressed tightly on the first base; (2) Then start the motor, the motor shaft drives the main pulley to rotate, and the main pulley drives the slave pulley to rotate through the belt, so that the rotating shaft rotates with the slave pulley, and the rotating shaft drives the two eccentric wheels to rotate. The bottom of the base is connected to the upper surface of the first base through a number of springs, so under the rotation of the eccentric wheel, the mounting base starts to vibrate up and down, and the concrete sample in the test frame is dense under vibration; (3) after a period of time, The concrete sample is fully compacted to form a concrete test block, and then the motor is stopped; (4) After that, take out the test frame and prevent it from being placed on the stepped structure of the mold groove, hold the handle and push the die downward, and the die drives the three blocks The push block moves downward, the push block pushes out the concrete test block in the test mold frame, the concrete test block falls into the mold groove, and the concrete test block can be taken out;

In addition, the return spring can be used to reset the position of the die. The base is provided with a rubber protective layer at the bottom of the mold groove. The rubber protective layer is used to prevent the formed concrete test block from being damaged when it falls from the test mold frame;

Compared with the traditional concrete compacting instrument, the utility model can compact the concrete sample through the drive of the eccentric wheel. During the compacting process, due to the supporting effect of the spring, no large noise will be generated, and the test environment is good; it is different from the traditional artificial Compared with demoulding after the operation and splitting of the cast iron test mold, the utility model is obviously more convenient and quicker.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is a structural schematic diagram of the trial mold frame.

detailed description

As shown in Fig. 1 and Fig. 2, the concrete mortar sample molding machine of the present utility model comprises test bench 1, and the upper surface of test bench 1 is provided with concrete test block demoulding device and concrete mortar mold testing device, concrete mortar mold testing device It includes the first base 2 and the mortar trial mechanism located above the first base 2. The mortar trial mechanism includes a mounting seat 5, a rotating shaft 6, a pressing cover 7 and a trial frame 8. The bottom of the mounting seat 5 passes through several buffer springs 9 Connected to the upper surface of the first base 2, all the buffer springs 9 are evenly arranged circumferentially around the center of the first base 2, the mounting seat 5 is provided with a mounting groove 26, and the mounting seat 5 is provided with a Motor 3, the main shaft of motor 3 is arranged horizontally, is fixedly provided with main belt pulley 4 on the main shaft of motor 3, and rotating shaft 6 is connected on the mounting base 5 in rotation, and the center line of rotating shaft 6 is arranged horizontally along the left and right direction, and is fixedly provided with from rotating shaft 6 Pulley 12, from pulley 12 is positioned at the top of main pulley 4, from pulley 12 is connected with main pulley 4 transmission by belt 13, the left end and the right end of rotating shaft 6 are all provided with an eccentric wheel 11, two eccentric wheels 11 are with respect to rotating shaft 6 The left and right sides of the center are arranged symmetrically; the left side of the mounting seat 5 is fixed with two support rods 10, and the two support rods 10 are arranged vertically. On the upper surface, the test mold frame 8 is a transparent rectangular frame body. Two partition plates 14 are fixed in the test mold frame 8, and the two partition plates 14 are arranged in parallel. The interior is equally divided into three mold cavities 15; the left edge of the compression cover 7 is hinged on two support rods 10, and the right edge of the compression cover 7 is connected with the test mold frame 8 through a buckle 16;

The concrete test block demoulding device comprises a second base 17 and a demoulding mechanism, the second base 17 is a cuboid structure, the second base 17 upper surface is provided with a rectangular mold groove 18, and the upper edge of the mold groove 18 is a stepped structure 19, The demoulding mechanism comprises a die 20 and four guide rods 21, the four guide rods 21 are vertically fixed on the second base 17, the four guide rods 21 are positioned at the four corners of the second base 17, and each guide rod 21 is sheathed A return spring 22 is provided, and the return spring 22 is press-fitted with the bottom of the die 20 and the second base 17 respectively. The die 20 is provided with four slide holes, and each guide rod 21 is inserted in the corresponding slide hole. Inside, the bottom of the die 20 is fixed with three push blocks 23 , the size of the push blocks 23 is smaller than the size of the cavity 15 , and the top of the die 20 is provided with a handle 24 .

The second base 17 is provided with a rubber protection layer 25 at the bottom of the mold cavity 18 .

The work of the utility model concretely making the concrete mortar test block is called: (1) first all smear a layer of release oil on the inner wall of the test frame 8 and the outer wall of the partition plate 14, and then place the test frame 8 on the On the mounting base 5, then the concrete sample is loaded in the mold cavity 15. After the filling is completed, the compression cover 7 is connected with the test frame 8 through the buckle 16. At this time, the compression cover 7 tightly holds the test frame 8. Press on the first base 2; (2) Then start the motor 3, the main shaft of the motor 3 drives the main pulley 4 to rotate, and the main pulley 4 drives the secondary belt 13 pulley 12 to rotate through the belt 13, so that the rotating shaft 6 follows the secondary belt 13 pulley 12 to rotate, The rotating shaft 6 drives two eccentric wheels 11 to rotate. Since the bottom of the mounting seat 5 is connected to the upper surface of the first base 2 through several springs, the mounting seat 5 starts to vibrate up and down under the rotation of the eccentric wheel 11, and the test frame 8 The concrete sample inside is compacted under vibration; (3) After a period of time, the concrete sample is fully compacted to form a concrete test block, and then the motor 3 is stopped; (4) After that, the test frame 8 is taken out and prevented from On the stepped structure 19 of 18, hold the handle 24 to push down the die 20, and the die 20 drives three push blocks 23 to move downward, and the push blocks 23 push out the concrete test block in the test mold frame 8, and the concrete test block Fall into the die groove 18, the concrete test block can be taken out.

This embodiment does not impose any formal restrictions on the shape, material, structure, etc. of the utility model. Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the utility model belong to the technology of the utility model. protection scope of the program.

Claims (2)

1. The concrete mortar sample forming machine is characterized in that: it comprises a test bench, the upper surface of the test bench is provided with a concrete test block demoulding device and a concrete mortar trial device, and the concrete mortar trial device includes a first base and a The mortar trial mechanism above, the mortar trial mechanism includes a mounting seat, a rotating shaft, a pressing cover and a trial frame, the bottom of the mounting seat is connected to the upper surface of the first base through a number of buffer springs, and all the buffer springs wind around the first base The center of the center is evenly arranged in the circumferential direction. There is a mounting groove on the mounting seat, and a motor at the bottom of the mounting groove is arranged in the mounting seat. The main shaft of the motor is arranged horizontally. The center line of the rotating shaft is set horizontally along the left and right directions. The rotating shaft is fixed with a slave pulley, which is located directly above the main pulley. The slave pulley is connected to the main pulley through a belt. There is an eccentric wheel at the left and right ends of the rotating shaft. , the two eccentric wheels are arranged symmetrically about the center of the rotating shaft; two support rods are fixedly arranged on the left side of the mounting base, both of which are vertically arranged, and the two support rods are arranged side by side along the front and rear directions; The test mold frame is placed on the upper surface of the mounting base. The test mold frame is a transparent rectangular frame body. There are two partition plates fixed in the test mold frame. The two partition plates are arranged in parallel. The inside of the frame is equally divided into three mold cavities; the left edge of the compression cover is hinged on two support rods, and the right edge of the compression cover is connected with the test mold frame through buckles; The demoulding device for the concrete test block includes a second base and a demoulding mechanism. The second base is a cuboid structure. The upper surface of the second base is provided with a rectangular mold groove. The upper edge of the mold groove is a stepped structure. The demoulding mechanism includes a die and four guide rods, the four guide rods are vertically fixed on the second base, the four guide rods are located at the four corners of the second base, each guide rod is equipped with a return spring, and the return spring is respectively connected to the die The bottom and the second base are press-fitted. There are four slide holes on the die, and each guide rod is inserted into the corresponding slide hole. The bottom of the die is fixed with three push blocks, and the size of the push blocks is smaller than that of the die. The size of the cavity, the top of the die is provided with a handle. 2. The concrete mortar sample molding machine according to claim 1, characterized in that: the second base is provided with a rubber protective layer at the bottom of the cavity.