A rapid concrete test block demoulding device for construction engineering

Abstract

The application relates to the technical field of quick demolding devices, in particular to a concrete test block quick demolding device for building engineering, which comprises a demolding module, a mold and a workbench, and the bottom of the demolding module is movably connected with the bottom of the inner wall of the mold. The device is provided with a motor, a speed reducer, a transmission gear, a driven gear, a fixing column and a pushing rod, power output by the motor is transmitted to the transmission gear through the speed reducer, the transmission gear is engaged with the driven gear to drive the fixing column to rotate, the fixing column is threadedly connected with the pushing rod, the pushing rod is limited from rotating by the limiting block and the limiting groove, the pushing rod can move upward along the axial direction through the rotation of the fixing column, the demolding module is pushed, the device can be driven by electricity to replace manual force, the gear transmission and the screw transmission are combined, the self weight and the adhesion resistance of the concrete test block can be efficiently overcome, the concrete test block can be quickly demolded, and the demolding efficiency is remarkably improved.

Description

Technical Field

[0001] This application relates to the technical field of rapid demolding devices, and in particular to a rapid demolding device for concrete test blocks used in building engineering. Background Technology

[0002] Concrete test blocks for building construction are standard specimens used to test the strength of concrete. They are randomly sampled during the concrete pouring process, made into standard-sized cubes or other specified shapes, cured to the specified age, and then their strength is determined by compressive strength tests. They are an important basis for evaluating the quality of concrete and the safety of structures.

[0003] A search revealed Chinese Patent Publication No. CN221475564U, which discloses a concrete test block mold, comprising a mold body, a top rod, and a base support. The mold body has a cubic cavity with an opening at the top and a bottom, used for molding the concrete test block. A first through hole is formed at the bottom of the mold body, and a frustum plate matching the first through hole is disposed within the first through hole. The upper end of the top rod is fixedly connected to the lower surface of the frustum plate. The mold body is fixedly mounted on the base support, and a second through hole is formed on the support surface of the base support at a position corresponding to the top rod. The concrete test block mold provided in this application, by having a through hole at the bottom of the mold body and equipping it with a frustum plate at the through hole, allows the concrete test block to be quickly detached from the mold body by pushing the frustum plate upwards after molding, thus achieving rapid demolding and improving the demolding efficiency of the concrete test block.

[0004] Regarding the aforementioned technologies, the inventors have discovered the following drawbacks: Although existing concrete test blocks are demolded using a screw drive to avoid the shortcomings of air pump demolding, significant problems still exist in practical applications. The concrete test block itself is quite heavy, and the test block is prone to adhesion to the mold, requiring the manual driving of the screw to overcome dual resistance, making the operation extremely laborious. This demolding method, which relies on purely manual force and lacks an efficient assist mechanism, often requires workers to expend a lot of physical strength when turning the screw, seriously affecting demolding efficiency. Utility Model Content

[0005] In order to solve the problems mentioned in the background art, this application provides a rapid demolding device for concrete test blocks used in building engineering.

[0006] This application provides a rapid demolding device for concrete test blocks used in construction engineering, which adopts the following technical solution: A rapid demolding device for concrete test blocks used in construction engineering includes a demolding module, a mold, and a workbench. The bottom of the demolding module is movably connected to the bottom of the inner wall of the mold. The mold is installed on the top of the workbench. A pushing demolding assembly is provided at the bottom of the workbench. The pushing demolding assembly includes a motor. A reducer is installed at the output end of the motor. A transmission gear is installed on the top of the reducer. A driven gear meshes with one side of the transmission gear. A fixed column is installed inside the driven gear. A push rod is threadedly connected inside the fixed column. An adjustment and movement assembly is installed on the back of the inner wall of the workbench.

[0007] Optionally, the adjusting and moving component includes an electric slide rail, a slider is slidably connected to the front of the electric slide rail, a mounting bracket is mounted on the front of the slider, the motor is mounted on the back inside the mounting bracket, a positioning groove is provided on the front of the mounting bracket, a movable block is slidably connected inside the positioning groove, and the front of the movable block is mounted to the front side of the inner wall of the worktable.

[0008] Optionally, the bottom of the mold has a connecting groove, the bottom of the demolding module is equipped with a support ring, the bottom of the support ring has a connecting groove, and the top of the push rod is movably connected to the inside of the connecting groove.

[0009] Optionally, a limiting ring is installed on the surface of the fixed column, and a support plate is movably connected to the surface of the limiting ring. The outer side of the support plate is installed with the inner side of the mounting frame.

[0010] Optionally, a limiting block is installed on the top of the fixed column, and a limiting groove is formed on the outer side of the push rod, with the surface of the limiting block being movably connected to the interior of the limiting groove.

[0011] Optionally, a connecting ring is installed at the bottom of the surface of the fixed column, and a support frame is movably connected to the surface of the connecting ring. The bottom of the support frame is installed at the bottom inside the mounting frame.

[0012] Optionally, a buffer ring is mounted on the top of the push rod, and the surface of the buffer ring is located inside the communicating groove.

[0013] Optionally, a movable ring is mounted on the top of the transmission gear, and a fixed ring is movably connected to the surface of the movable ring, with one side of the fixed ring mounted on the back side inside the mounting bracket.

[0014] In summary, this application includes the following beneficial technical effects:

[0015] 1. This utility model, by setting up components such as a motor, reducer, transmission gear, driven gear, fixed column, and push rod, transmits power from the motor to the transmission gear via the reducer. The transmission gear meshes with the driven gear, driving the fixed column to rotate. The fixed column is threadedly connected to the push rod, and the push rod is restricted from rotating by a limiting block and a limiting groove. This allows the push rod to move axially upward through the rotation of the fixed column, pushing the demolding module. Thus, this device can replace manual force application with electric drive, and by using a combination of gear transmission and screw transmission, it can efficiently overcome the self-weight and adhesion resistance of the concrete specimen, achieving rapid demolding of the concrete specimen and significantly improving demolding efficiency.

[0016] 2. This utility model, by setting up components such as an electric slide rail, a slider, a mounting frame, a positioning groove, and a movable block, allows the electric slide rail to drive the slider to slide, which in turn moves the mounting frame. The positioning groove of the mounting frame slides in cooperation with the movable block fixed to the front side of the inner wall of the worktable, enabling the mounting frame to move smoothly and be precisely positioned on the worktable by the drive of the electric slide rail. This allows the device to adjust the position of the demolding component by adjusting the moving component, making it easy to adapt to molds of different positions or specifications, achieving rapid demolding of multiple molds, and improving the versatility and flexibility of the device. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure in an embodiment of this application;

[0018] Figure 2 This is a schematic diagram of the split structure in an embodiment of this application;

[0019] Figure 3 This is a schematic diagram of the split bottom view structure in an embodiment of this application;

[0020] Figure 4 This is an embodiment of the present application. Figure 2 Enlarged structural diagram at point A in the middle.

[0021] Reference numerals: 1. Demolding module; 2. Mold; 3. Workbench; 4. Push demolding assembly; 41. Motor; 42. Reducer; 43. Transmission gear; 44. Driven gear; 45. Fixed column; 46. Push rod; 5. Adjustment and movement assembly; 51. Electric slide rail; 52. Slider; 53. Mounting bracket; 54. Positioning groove; 55. Movable block; 6. Connecting groove; 7. Support ring; 8. Connecting groove; 9. Limiting ring; 10. Support plate; 11. Limiting block; 12. Limiting groove; 13. Connecting ring; 14. Support frame; 15. Buffer ring; 16. Movable ring; 17. Fixed ring. Detailed Implementation

[0022] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0023] This application discloses a rapid demolding device for concrete test blocks used in building construction.

[0024] Please see Figures 1 to 4 A rapid demolding device for concrete test blocks used in construction engineering includes a demolding module 1, a mold 2, and a workbench 3. The bottom of the demolding module 1 is movably connected to the bottom of the inner wall of the mold 2. The mold 2 is mounted on the top of the workbench 3. A pushing demolding assembly 4 is provided at the bottom of the workbench 3. The pushing demolding assembly 4 includes a motor 41. A reducer 42 is installed at the output end of the motor 41. A transmission gear 43 is installed on the top of the reducer 42. A driven gear 44 meshes with one side of the transmission gear 43. A fixing column 45 is installed inside the driven gear 44. The internal thread of the workbench 3 is connected to a push rod 46. An adjustment and movement assembly 5 is installed on the back of the inner wall of the workbench 3. The power output of the motor 41 is reduced in speed and increased in torque by the reducer 42, which drives the transmission gear 43 to rotate. The transmission gear 43 meshes with the driven gear 44 to rotate synchronously. The driven gear 44 drives the fixed column 45 to rotate. Because the fixed column 45 is threadedly connected to the push rod 46 and the push rod 46 is restricted and cannot rotate, the push rod 46 moves upward along the axial direction of the fixed column 45, pushing the demolding module 1 to lift the concrete test block in the mold 2. For rapid demolding, the adjusting moving component 5 is used to adjust the position of the pushing demolding component 4 to facilitate demolding of multiple molds 2. The adjusting moving component 5 includes an electric slide rail 51, with a slider 52 slidably connected to the front of the electric slide rail 51. A mounting bracket 53 is mounted on the front of the slider 52. A motor 41 is mounted on the back inside the mounting bracket 53. A positioning groove 54 is opened on the front of the mounting bracket 53, and a movable block 55 is slidably connected inside the positioning groove 54. The front of the movable block 55 is mounted to the front side of the inner wall of the worktable 3. The electric slide rail 51 is driven by electricity. The slider 52 slides along its front side, and the slider 52 drives the mounting frame 53 to move, thereby adjusting the position of the motor 41 and the entire push demolding assembly 4 inside the mounting frame 53 to adapt to molds 2 of different positions or specifications; the mounting frame 53 is used to install and fix the motor 41 and other components. The positioning groove 54 cooperates with the movable block 55. The movable block 55 is fixed to the front side of the inner wall of the worktable 3, which can guide and position the movement of the mounting frame 53, ensuring the smoothness and accuracy of the movement of the mounting frame 53, and keeping the transmission gear 43 and the driven gear 44 in a good meshing state at all times.

[0025] Please see Figures 1 to 4The bottom of mold 2 has a connecting groove 6, and the bottom of demolding module 1 has a support ring 7. The bottom of support ring 7 has a connecting groove 8. The top of push rod 46 is movably connected to the inside of connecting groove 8. The connecting groove 6 at the bottom of mold 2 provides a channel for the top of push rod 46 to extend into mold 2. The support ring 7 at the bottom of demolding module 1 is used to support demolding module 1 and keep it stable inside mold 2. The connecting groove 8 at the bottom of support ring 7 is movably connected to the top of push rod 46, so that when push rod 46 moves upward, it can drive demolding module 1 to rise synchronously through connecting groove 8, thereby realizing the top-pushing demolding of concrete test block.

[0026] Please see Figure 2 A limiting block 11 is installed on the top of the fixed column 45, and a limiting groove 12 is opened on the outer side of the push rod 46. The surface of the limiting block 11 is movably connected to the inside of the limiting groove 12. The limiting block 11 on the top of the fixed column 45 is movably connected to the limiting groove 12 on the outer side of the push rod 46. When the fixed column 45 rotates, the limiting block 11 is engaged in the limiting groove 12, preventing the push rod 46 from rotating with the fixed column 45, ensuring that the push rod 46 can only move along the axial direction of the fixed column 45, thereby converting the rotational motion of the fixed column 45 into rotational motion. To facilitate the linear motion of the push rod 46 and achieve the function of screw-driven push demolding, a buffer ring 15 is installed on the top of the push rod 46. The surface of the buffer ring 15 is located inside the connecting groove 6. When the push rod 46 pushes the demolding module 1 to demold, the buffer ring 15 can buffer the impact force between the push rod 46 and the bottom of the mold 2 or the demolding module 1, avoiding rigid collision. At the same time, the elasticity of the buffer ring 15 can make the demolding process more stable and protect the test block and equipment.

[0027] Please see Figures 1 to 4A limiting ring 9 is installed on the surface of the fixed column 45. A support frame 14 is movably connected to the surface of the limiting ring 9. The outer side of the support frame 14 is installed on the inner side of the mounting frame 53. The limiting ring 9 on the surface of the fixed column 45 can restrict the fixed column 45. The support frame 14 is installed on the inner side of the mounting frame 53 and is movably connected to the limiting ring 9, providing a stable limit for the fixed column 45, enhancing the stability of the fixed column 45 during transmission, and preventing the shaking of the fixed column 45 from affecting the gear transmission and the motion accuracy of the push rod 46. A connecting ring 13 is installed at the bottom of the surface of the fixed column 45. The support frame 14 is movably connected to the surface of the connecting ring 13. The bottom of the support frame 14 is installed at the bottom inside the mounting frame 53. The connecting ring 13 at the bottom of the surface of the fixed column 45 is movably connected to the support ring 7. The support ring 7 is installed on the mounting frame 53. The bottom of the mounting bracket 53 provides a support point for the bottom of the fixed column 45, sharing the force on the fixed column 45 during transmission, reducing the shaking of the fixed column 45, improving the stability and reliability of the entire transmission mechanism, and ensuring a smooth demolding process. A movable ring 16 is installed on the top of the transmission gear 43, and a fixed ring 17 is movably connected to the surface of the movable ring 16. One side of the fixed ring 17 is installed on the back inside the mounting bracket 53. The movable ring 16 on the top of the transmission gear 43 is movably connected to the inside of the fixed ring 17. The fixed ring 17 is installed on the back inside the mounting bracket 53. The movable ring 16 provides an additional support point for the transmission gear 43, reducing the radial shaking of the transmission gear 43 during rotation, making the meshing of the transmission gear 43 and the driven gear 44 smoother and more reliable, and reducing transmission noise.

[0028] The implementation principle of the rapid demolding device for concrete test blocks in construction engineering according to this application embodiment is as follows: During use, when the concrete test block needs to be demolded, the motor 41 is started as the power source. The power output by the motor 41 is reduced in speed and increased in torque by the reducer 42, and then transmitted to the transmission gear 43 to make it rotate. The transmission gear 43 drives the driven gear 44 to rotate synchronously through meshing. The driven gear 44 then drives the internal fixed column 45 to rotate. Since the fixed column 45 and the push rod 46 are connected by threads, and the limiting block 11 at the top of the fixed column 45 cooperates with the limiting groove 12 on the outside of the push rod 46, the push rod 46 is restricted from rotating with the fixed column 45. Therefore, the rotational motion of the fixed column 45 can be converted into… To facilitate the linear upward movement of the push rod 46 along its axial direction, the top of the push rod 46 is movably connected to the support ring 7 at the bottom of the demolding module 1 via the connecting groove 8. When it rises, it drives the demolding module 1 to move upward synchronously, thereby ejecting the concrete test block inside the mold 2 through the demolding module 1, achieving rapid demolding. At the same time, the limiting ring 9 on the surface of the fixed column 45 cooperates with the support plate 10 to provide radial support for the fixed column 45, preventing it from shaking and affecting the transmission accuracy. The connecting ring 13 at the bottom of the fixed column 45 is movably connected to the support frame 14 to share the force and enhance the stability of the transmission mechanism. The buffer ring 15 at the top of the push rod 46 buffers the impact force during the pushing process, preventing the test block from breaking or the mold 2 from being damaged, ensuring a smooth and reliable demolding process.

[0029] When it is necessary to demold concrete test blocks in other molds 2, the electric slide rail 51 of the adjusting and moving component 5 is activated. After the electric slide rail 51 is powered on, it drives the slider 52 to slide along its front side. The slider 52 drives the mounting frame 53 to move as a whole. The motor 41 and the demolding component 4 in the mounting frame 53 are adjusted accordingly. The positioning groove 54 on the front side of the mounting frame 53 slides and engages with the movable block 55 on the front side of the inner wall of the workbench 3, which guides and positions the movement of the mounting frame 53, ensuring that the movement process is smooth and accurate. This ensures that the transmission gear 43 and the driven gear 44 always maintain a good meshing state, thereby realizing the rapid positioning and demolding operation of multiple molds 2, effectively improving the versatility and work efficiency of the device.

[0030] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A rapid demolding device for concrete test blocks used in construction engineering, comprising a demolding module (1), a mold (2), and a workbench (3), characterized in that: The bottom of the demolding module (1) is movably connected to the bottom of the inner wall of the mold (2). The mold (2) is installed on the top of the workbench (3). The bottom of the workbench (3) is provided with a pushing demolding assembly (4). The pushing demolding assembly (4) includes a motor (41). A reducer (42) is installed at the output end of the motor (41). A transmission gear (43) is installed on the top of the reducer (42). A driven gear (44) meshes on one side of the transmission gear (43). A fixed column (45) is installed inside the driven gear (44). A push rod (46) is threaded inside the fixed column (45). An adjustment and moving assembly (5) is installed on the back of the inner wall of the workbench (3).

2. The rapid demolding device for concrete test blocks in building engineering according to claim 1, characterized in that: The adjustment and movement component (5) includes an electric slide rail (51), a slider (52) is slidably connected to the front of the electric slide rail (51), a mounting bracket (53) is mounted on the front of the slider (52), the motor (41) is mounted on the back inside the mounting bracket (53), a positioning groove (54) is provided on the front of the mounting bracket (53), a movable block (55) is slidably connected inside the positioning groove (54), and the front of the movable block (55) is mounted to the front side of the inner wall of the worktable (3).

3. The rapid demolding device for concrete test blocks used in building construction according to claim 1, characterized in that: The bottom of the mold (2) is provided with a connecting groove (6), the bottom of the demolding module (1) is provided with a support ring (7), the bottom of the support ring (7) is provided with a connecting groove (8), and the top of the push rod (46) is movably connected to the inside of the connecting groove (8).

4. The rapid demolding device for concrete test blocks used in building construction according to claim 1, characterized in that: A limiting ring (9) is installed on the surface of the fixed column (45), and a support plate (10) is movably connected to the surface of the limiting ring (9). The outer side of the support plate (10) is installed with the inner side of the mounting bracket (53).

5. The rapid demolding device for concrete test blocks in building engineering according to claim 1, characterized in that: A limiting block (11) is installed on the top of the fixed column (45), and a limiting groove (12) is opened on the outer side of the push rod (46). The surface of the limiting block (11) is movably connected to the inside of the limiting groove (12).

6. The rapid demolding device for concrete test blocks in building engineering according to claim 2, characterized in that: A connecting ring (13) is installed at the bottom of the surface of the fixed column (45), and a support frame (14) is movably connected to the surface of the connecting ring (13). The bottom of the support frame (14) is installed at the bottom inside the mounting frame (53).

7. The rapid demolding device for concrete test blocks in building engineering according to claim 3, characterized in that: A buffer ring (15) is mounted on the top of the push rod (46), and the surface of the buffer ring (15) is located inside the communicating groove (6).

8. The rapid demolding device for concrete test blocks in building engineering according to claim 2, characterized in that: A movable ring (16) is mounted on the top of the transmission gear (43), and a fixed ring (17) is movably connected to the surface of the movable ring (16). One side of the fixed ring (17) is mounted on the back side inside the mounting bracket (53).

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