Automatic demoulding device for concrete test block

Abstract

The utility model discloses an automatic demolding device for a concrete test block, which belongs to the technical field of concrete quality detection equipment and comprises a mold for manufacturing the test block, and an impact hole is formed in the bottom of the mold; supporting columns are fixedly connected to the four corners of the bottom of the demolding platform, a falling-off hole is formed in the center of the demolding platform, the size of the falling-off hole is larger than that of the test block and smaller than that of the mold, and the mold is inversely buckled above the falling-off hole; the impact mechanism comprises a lifting platform, the lifting platform is erected above the demolding platform through two hydraulic telescopic rods, a nozzle is fixedly connected to the lifting platform, the nozzle corresponds to the impact hole, and the nozzle is connected with an air source; and the bearing mechanism is arranged below the demolding platform and comprises a hydraulic telescopic column, the top end of the hydraulic telescopic column is fixedly connected with a bearing platform, and the bearing platform is correspondingly arranged below the falling-off hole. According to the automatic demolding device for the concrete test block, the mechanization degree is high in the demolding process, damage to the mold is small in the demolding process, manpower is saved, and the demolding efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of concrete quality detection equipment, in particular to an automatic demoulding device for concrete test blocks. Background Art

[0002] In order to test the compressive strength and other properties of concrete, it is often necessary to prepare concrete test blocks before construction for concrete quality testing. The existing concrete test molds include sizes such as 15 cubic centimeters and 20 cubic centimeters. Construction workers need to demould the concrete test blocks after the concrete reaches the designed strength.

[0003] The traditional demoulding and removal method is manual removal, where workers use tools to knock on the surface of the concrete test mold to separate the concrete test block from the test mold, thereby achieving the purpose of removal. However, this removal method often causes damage to the corners of the concrete test block, which affects the strength and rigidity of the test block during the compression test. In addition, manual separation of the test mold and the test block is labor-intensive and inefficient.

[0004] Therefore, an automatic demoulding device for concrete test blocks is proposed. Utility Model Content

[0005] In order to solve the above technical problems, the utility model proposes an automatic demoulding device for concrete test blocks.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a concrete test block automatic demoulding device, comprising:

[0007] A mold for manufacturing a test block, wherein an impact hole is provided at the bottom of the mold;

[0008] A demoulding platform, wherein the four corners of the bottom of the demoulding platform are fixedly connected with support columns, a drop-out hole is opened in the center of the demoulding platform, the size of the drop-out hole is larger than the test block and smaller than the mold, and the mold is inverted above the drop-out hole;

[0009] The impact mechanism comprises a lifting platform, the lifting platform is erected above the demoulding platform through two hydraulic telescopic rods, a nozzle is fixedly connected to the lifting platform, the nozzle is arranged corresponding to the impact hole, and the nozzle is connected to an air source;

[0010] The receiving mechanism is arranged below the demoulding platform and comprises a hydraulic telescopic column, the top of which is fixedly connected with the receiving platform, the receiving platform is arranged correspondingly below the falling hole, and the stroke of the hydraulic telescopic column is greater than the height of the test block.

[0011] Preferably, a soft pad is fixedly connected to the top surface of the receiving platform corresponding to the falling hole.

[0012] Preferably, a limiting strip is fixedly connected to the top surface of the demolding platform. The limiting strip is arranged outside the falling hole, matches the shape of the mold, and has an opening on one side.

[0013] Preferably, guiding strips are arranged at both ends of the opening of the limiting strip. The guiding strips are fixedly connected to the demolding platform and are inclined outward from the opening.

[0014] Preferably, a sealing cover is fixedly connected to the outside of the nozzle.

[0015] Preferably, a conveying mechanism is arranged on one side of the hydraulic telescopic column. The top end of the conveying mechanism is flush with the top surface of the receiving platform when the hydraulic telescopic column contracts, and the inlet end of the conveying mechanism is connected to the receiving platform.

[0016] Preferably, a hydraulic push rod is arranged on the side of the hydraulic telescopic column away from the conveying mechanism. A push plate is fixedly connected to the movable end of the hydraulic push rod. The push plate corresponds to the top of the demolding platform when the hydraulic telescopic column contracts.

[0017] Preferably, a pressure switch is fixedly connected to the receiving platform. The pressure switch is electrically connected to the hydraulic telescopic column.

[0018] Compared with the prior art, the present utility model has the following advantages and technical effects:

[0019] The cured test block together with the mold is conveyed above the falling hole. The mold is inverted with the opening facing down and the impact hole facing up corresponding to the nozzle. The hydraulic telescopic column ascends to make the top surface of the receiving platform abut against the bottom surface of the demolding platform. The receiving platform receives the test block to prevent the test block from being damaged by falling from a high place. Then the lifting platform descends, and the lifting platform drives the nozzle to insert into the impact hole. The nozzle is started to spray high-pressure gas, and the generated air pressure impacts through the impact hole on the mold to separate the test block from the mold. Compared with vibration separation, the damage to the test block is smaller. The separated mold falls onto the receiving platform. Then the hydraulic telescopic column contracts to slowly draw out the test block from the mold. The lifting platform is lifted, and the mold and the test block are respectively removed to complete the demolding of the test block. The automatic demolding device for concrete test blocks in this application has a relatively high degree of mechanization in the demolding process, causes less damage to the mold during demolding, saves manpower, and improves the demolding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings constituting a part of this application are used to provide a further understanding of this application. The schematic embodiments and descriptions thereof of this application are used to explain this application and do not constitute an improper limitation to this application. In the drawings:

[0021] Figure 1 is a schematic structural diagram of the automatic demolding device for concrete test blocks of the present utility model;

[0022] Figure 2Schematic diagram of the structure of the shedding hole of the automatic demoulding device for concrete test blocks of the present utility model;

[0023] Figure 3 Cross-sectional view of the automatic demoulding device for concrete test blocks of the present utility model.

[0024] In the figure: 1, mold; 2, impact hole; 3, demoulding platform; 4, support column; 5, shedding hole; 6, lifting platform; 7, hydraulic telescopic rod; 8, nozzle; 9, hydraulic telescopic column; 10, receiving platform; 11, soft pad; 12, limit strip; 13, guiding strip; 14, sealing cover; 15, conveying mechanism; 16, hydraulic push rod; 17, push plate; 18, pressure switch. Specific implementation mode

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0026] In order to make the above objects, features, and advantages of the present utility model more obvious and understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and specific implementation modes.

[0027] Refer to Figures 1 to 3 As shown, this embodiment provides an automatic demoulding device for concrete test blocks, including:

[0028] A mold 1 for manufacturing test blocks, and an impact hole 2 is opened at the bottom of the mold 1;

[0029] A demoulding platform 3, with support columns 4 fixedly connected to the four corners of the bottom of the demoulding platform 3. A shedding hole 5 is opened at the center of the demoulding platform 3. The size of the shedding hole 5 is larger than that of the test block and smaller than that of the mold 1, and the mold 1 is inverted above the shedding hole 5;

[0030] An impact mechanism, including a lifting platform 6. The lifting platform 6 is erected above the demoulding platform 3 through two hydraulic telescopic rods 7. A nozzle 8 is fixedly connected to the lifting platform 6. The nozzle 8 is arranged corresponding to the impact hole 2, and the nozzle 8 is connected to a gas source;

[0031] A receiving mechanism, arranged below the demoulding platform 3, including a hydraulic telescopic column 9. The top end of the hydraulic telescopic column 9 is fixedly connected to a receiving platform 10. The receiving platform 10 is arranged corresponding to the lower part of the shedding hole 5, and the stroke of the hydraulic telescopic column 9 is greater than the height of the test block.

[0032] The cured test block is transferred together with the mold 1 to the top of the falling hole 5, the mold 1 is turned upside down, the opening is facing downward, and the impact hole 2 is facing upward corresponding to the nozzle 8; the hydraulic telescopic column 9 goes up, so that the top surface of the receiving platform 10 abuts against the bottom surface of the demoulding platform 3, and the receiving platform 10 receives the test block to prevent the test block from falling from a height and being damaged; then the lifting platform 6 is lowered, and the lifting platform 6 drives the nozzle 8 to insert into the impact hole 2, and the nozzle 8 is started to spray high-pressure gas. The generated air pressure impacts the impact hole 2 on the mold 1 to separate the test block and the mold 1. Compared with the vibration separation, the damage to the test block is less, and the separated mold 1 falls onto the receiving platform 10; then the hydraulic telescopic column 9 contracts, so that the test block is slowly pulled out of the mold 1, and the lifting platform 6 is lifted. The mold 1 and the test block are removed separately to complete the demoulding of the test block. The demoulding process of the automatic demoulding device for concrete test blocks in this application has a high degree of mechanization, and the damage to the mold 1 during demoulding is less, which saves manpower and improves the demoulding efficiency.

[0033] Furthermore, it also includes a controller (not shown in the figure) that controls the start-up of the hydraulic telescopic rod 7, the hydraulic telescopic column 9 and the nozzle 8.

[0034] To further optimize the solution, a soft pad 11 is fixedly connected to the top surface of the receiving platform 10 corresponding to the falling hole 5 .

[0035] The soft pad 11 cushions the sample dropped on the receiving platform 10 to further prevent the sample from being damaged.

[0036] According to a further optimization scheme, the top surface of the demoulding platform 3 is fixedly connected with a limiting strip 12 , which is arranged outside the falling hole 5 , matches the shape of the mold 1 , and is open on one side.

[0037] The mold 1 is pushed in horizontally from the open side, and the limiting strip 12 limits the position of the mold 1, so that the impact hole 2 at the top of the mold 1 corresponds to the nozzle 8, and the sample corresponds to the drop-off port.

[0038] According to a further optimization scheme, guide strips 13 are provided at both ends of the opening of the limit strip 12 , and the guide strips 13 are fixedly connected to the demoulding platform 3 , and the guide strips 13 are inclined toward the outside of the opening.

[0039] When the mold 1 is pushed into the limiting strip 12 , the guide strip 13 guides the direction of the mold 1 so that the mold 1 can smoothly enter the limiting strip 12 .

[0040] According to a further optimized solution, a sealing cover 14 is fixedly connected to the outer side of the nozzle 8 .

[0041] When the nozzle 8 is inserted downward into the impact hole 2, the bottom surface of the sealing cover 14 first contacts the bottom surface of the mold 1 outside the impact hole 2, and then as the nozzle 8 descends, it gradually squeezes the bottom surface of the mold 1 to seal the sealing cover 14 with the bottom surface of the mold 1, thereby reducing the leakage of the gas ejected from the nozzle 8.

[0042] To further optimize the solution, a conveying mechanism 15 is provided on one side of the hydraulic telescopic column 9 , the top of the conveying mechanism 15 is flush with the top surface of the receiving platform 10 when the hydraulic telescopic column 9 is retracted, and the entry end of the conveying mechanism 15 is connected with the receiving platform 10 .

[0043] The demoulded test block is located below the demoulding platform 3 and can be transported out from under the demoulding platform 3 by the transport mechanism 15 for easy taking.

[0044] To further optimize the solution, a hydraulic push rod 16 is provided on the side of the hydraulic telescopic column 9 away from the conveying mechanism 15, and a push plate 17 is fixedly connected to the movable end of the hydraulic push rod 16. The push plate 17 corresponds to the top surface of the demoulding platform 3 when the hydraulic telescopic column 9 is contracted.

[0045] The demoulded sample can be pushed onto the transmission mechanism by the hydraulic push rod 16, so that the transmission mechanism 15 can transmit the test block.

[0046] To further optimize the solution, a pressure switch 18 is fixedly connected to the receiving platform 10 , and the pressure switch 18 is electrically connected to the hydraulic telescopic column 9 .

[0047] After the test block falls onto the receiving platform 10, the pressure switch 18 senses the pressure, and the hydraulic telescopic column 9 of the starter cabinet contracts, so that the test block is separated from the mold 1; after the test block is removed, the pressure switch 18 senses the pressure reduction, and the hydraulic telescopic column 9 is started to expand, returning to the position where the receiving platform 10 abuts against the demoulding platform 3, waiting for the next demoulding. The setting of the pressure switch 18 further improves the automation of the device.

[0048] The parts not described in detail in the present invention are all conventional technical means known to those skilled in the art.

[0049] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0050] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A concrete test block automatic demoulding device, characterized in that: include: A mold (1) for manufacturing a test block, wherein an impact hole (2) is provided at the bottom of the mold (1); A demoulding platform (3), wherein the four corners of the bottom of the demoulding platform (3) are fixedly connected with support columns (4), a drop-out hole (5) is opened in the center of the demoulding platform (3), the size of the drop-out hole (5) is larger than the test block and smaller than the mold (1), and the mold (1) is inverted above the drop-out hole (5); The impact mechanism comprises a lifting platform (6), the lifting platform (6) being erected above the demoulding platform (3) via two hydraulic telescopic rods (7), a nozzle (8) being fixedly connected to the lifting platform (6), the nozzle (8) being arranged corresponding to the impact hole (2), and the nozzle (8) being connected to an air source; The receiving mechanism is arranged below the demoulding platform (3), and comprises a hydraulic telescopic column (9). The top end of the hydraulic telescopic column (9) is fixedly connected to a receiving platform (10). The receiving platform (10) is arranged correspondingly below the falling hole (5). The stroke of the hydraulic telescopic column (9) is greater than the height of the test block.

2. The automatic demoulding device for concrete test blocks according to claim 1 is characterized in that: A soft pad (11) is fixedly connected to the top surface of the receiving platform (10) corresponding to the drop-off hole (5).

3. The automatic demoulding device for concrete test blocks according to claim 1 is characterized in that: The top surface of the demoulding platform (3) is fixedly connected to a limiting strip (12), which is arranged outside the drop-out hole (5), matches the shape of the mold (1), and is open on one side.

4. The automatic demoulding device for concrete test blocks according to claim 3 is characterized in that: Guide strips (13) are arranged at both ends of the opening of the limiting strip (12); the guide strips (13) are fixedly connected to the demoulding platform (3); and the guide strips (13) are arranged to be inclined toward the outside of the opening.

5. The automatic demoulding device for concrete test blocks according to claim 1 is characterized in that: A sealing cover (14) is fixedly connected to the outer side of the nozzle (8).

6. The automatic demoulding device for concrete test blocks according to claim 1 is characterized in that: A conveying mechanism (15) is provided on one side of the hydraulic telescopic column (9); the top end of the conveying mechanism (15) is flush with the top surface of the receiving platform (10) when the hydraulic telescopic column (9) is retracted, and the entry end of the conveying mechanism (15) is connected to the receiving platform (10).

7. The automatic demoulding device for concrete test blocks according to claim 6 is characterized in that: A hydraulic push rod (16) is arranged on the side of the hydraulic telescopic column (9) away from the conveying mechanism (15), and a push plate (17) is fixedly connected to the movable end of the hydraulic push rod (16). The push plate (17) corresponds to the top surface of the demoulding platform (3) when the hydraulic telescopic column (9) is contracted.

8. The automatic demoulding device for concrete test blocks according to claim 1 is characterized in that: A pressure switch (18) is fixedly connected to the receiving platform (10), and the pressure switch (18) is electrically connected to the hydraulic telescopic column (9).

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