Negative pressure vibrating production equipment for prefabricated part production
By setting up a negative pressure capping device and a vibration device in the prefabricated part production equipment, the problem of low gas discharge efficiency in concrete is solved, efficient gas loss and vibration effects are achieved, and the quality and production efficiency of prefabricated parts are improved.
Patent Information
- Application Number
- CN202421792417.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-27
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-07-27
AI Technical Summary
In the prior art, the gas discharge efficiency in concrete during the production process of preforms is low, resulting in high bubble rate, affecting the quality and production efficiency of concrete.
A negative pressure vibration production equipment is designed. By setting up a capping device, the equipment inside is in a negative pressure state, which accelerates the speed of bubble loss in concrete, and drives concrete vibration in vertical and horizontal directions through the vibration device to enhance the vibration effect.
It effectively reduces the bubble rate of concrete, improves the quality of concrete and the production efficiency of prefabricated parts, and reduces the labor of workers.
Smart Images

Figure CN223044766U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of prefabricated component production, and particularly relates to a negative pressure vibration production device for prefabricated component production. Background Art
[0002] Vibration is a basic process in civil engineering technology, mainly referring to the process of vibrating and compacting the concrete mixture unloaded into the pouring bin to improve its strength and ensure the quality of concrete components. This process aims to remove the air bubbles in the concrete, make the concrete densely combined, eliminate phenomena such as honeycombing and pitting on the concrete surface, thereby improving the strength of the wall and ensuring the quality of concrete components.
[0003] In the prior art, during the production of prefabricated components, it is necessary to discharge the gas in the concrete. However, in the existing technology, generally, a vibrating device is held manually by workers to vibrate the concrete, resulting in a large labor volume of workers and low production efficiency. To solve the above problems, we propose a negative pressure vibration production device for prefabricated component production. Content of the Utility Model
[0004] Aiming at the deficiencies of the prior art, the technical solution adopted by the utility model to solve its technical problems is: a negative pressure vibration production device for prefabricated component production, including a base; a vibration device, the bottom of the vibration device is fixedly connected to the bottom of the inner cavity of the base, and the vibration device is used for vibrating and compacting prefabricated components; a fixing device, the bottom of the fixing device is fixedly connected to the top of the vibration device; a prefabricated component mold, the outside of the prefabricated component mold is slidably connected to the inside of the fixing device; a capping device, the bottom of the capping device is slidably connected to the top of the prefabricated component mold, and the capping device is used for sealing the prefabricated component mold; an anti-slip pad, the top of the anti-slip pad is fixedly connected to the corners of the bottom of the base; by setting the capping device, a negative pressure state is presented inside the device, accelerating the loss rate of air bubbles in the concrete, reducing the air bubble emergence rate, avoiding the influence of air bubbles on the quality of the concrete, and ensuring the quality of prefabricated components. By setting the vibration device to drive the concrete to vibrate, the concrete vibrates in both the vertical and horizontal directions, strengthening the vibration effect, reducing the labor volume of workers, improving the production efficiency, and avoiding the poor vibration effect from affecting the quality of prefabricated components.
[0005] Preferably, the fixing device includes a housing, the bottom of the housing is fixedly connected to the top of the vibration device, a fixing platform is fixedly connected to the bottom of the housing, and a vibration motor is fixedly connected to the outside of the fixing platform. By setting the vibration motor, the prefabricated component mold is driven to vibrate, reducing the labor volume of workers and strengthening the vibration effect.
[0006] Preferably, a threaded rod is threadedly connected to the inner side of the housing. One side of the threaded rod away from the housing is fixedly connected to a knob. One end of the threaded rod away from the knob penetrates through the housing and is rotatably connected to a pressing plate. The bottom of the pressing plate is slidably connected to the bottom of the inner cavity of the housing. Threaded rods are provided on all four sides of the housing. By providing a fixing device, the precast mold is fixed. The fixing device can adapt to molds of different sizes and prevent the mold from flying out during vibration.
[0007] Preferably, the vibration device includes a sliding block. The bottom of the sliding block is slidably connected to the bottom of the inner cavity of the base. The top of the sliding block is fixedly connected to a rebound spring. The top end of the rebound spring is fixedly connected to the bottom of the housing. The outer side of the sliding block is fixedly connected to a compression spring. One end of the compression spring away from the sliding block is fixedly connected to the inner side of the base. By providing a vibration device, the mold can be simultaneously subjected to horizontal vibration and vertical vibration, ensuring the vibration effect of the concrete.
[0008] Preferably, the capping device includes a top cover. The bottom of the top cover is slidably connected to the top of the precast mold. The top of the top cover is fixedly connected to a negative pressure fan. A sealing component is provided inside the top cover. By providing a capping device, the mold is sealed, enabling the interior of the mold to maintain a negative pressure state.
[0009] Preferably, the sealing component includes an inclined block. The bottom of the inclined block is fixedly connected to the top of the precast mold. A chute is formed in the wall of the top cover. The inner side of the chute is slidably connected to the outer side of the inclined block. A sealing ring is fixedly connected to the top of the inner cavity of the chute. By providing a sealing component, the sealing performance between the capping device and the precast mold is enhanced, preventing air from entering the mold through the connection, and ensuring that the interior of the mold maintains a negative pressure state.
[0010] The beneficial effects of the present utility model are as follows:
[0011] 1. By providing a capping device, the interior of the device presents a negative pressure state, accelerating the loss rate of air bubbles in the concrete, reducing the air bubble rate, avoiding the influence of air bubbles on the quality of the concrete, and ensuring the quality of the precast.
[0012] 2. By providing a vibration device to drive the concrete to vibrate, the concrete vibrates in both the vertical and horizontal directions, enhancing the vibration effect, reducing the labor intensity of workers, improving production efficiency, and avoiding poor vibration effect that affects the quality of the precast. Description of the Drawings
[0013] Figure 1 is the front view of the present utility model;
[0014] Figure 2 is the cross-sectional view of the present utility model;
[0015] Figure 3 is a structural cross-sectional view of the fixing device of the present utility model;
[0016] Figure 4 is a schematic structural diagram of the vibration device of the present utility model;
[0017] Figure 5 is a structural cross-sectional view of the capping device of the present utility model;
[0018] Figure 6 is a structural cross-sectional view of the sealing assembly of the present utility model.
[0019] In the figure: 1. Base; 2. Vibration device; 21. Sliding block; 22. Compression spring; 23. Rebound spring; 3. Fixing device; 31. Outer shell; 32. Fixing platform; 33. Vibration motor; 34. Threaded rod; 35. Knob; 36. Pressing plate; 4. Prefabricated part mold; 5. Capping device; 51. Top cover; 52. Negative pressure fan; 53. Sealing assembly; 531. Inclined block; 532. Chute; 533. Sealing ring; 6. Anti-slip pad. Detailed implementation manners
[0020] The following further describes the present utility model in detail with reference to the accompanying drawings and specific implementation manners. The embodiments of the present utility model are given for the purpose of illustration and description, and are not exhaustive or limit the present utility model to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present utility model, and enable those of ordinary skill in the art to understand the present utility model and thus design various embodiments with various modifications suitable for specific purposes.
[0021] Embodiment:
[0022] Please refer to Figures 1 - 6, the present utility model provides a technical solution: a negative pressure vibration production device for precast production, including a base 1; a vibration device 2, the bottom of the vibration device 2 is fixedly connected to the bottom of the inner cavity of the base 1, and the vibration device 2 is used to vibrate and compact the precast; a fixing device 3, the bottom of the fixing device 3 is fixedly connected to the top of the vibration device 2; a precast mold 4, the outside of the precast mold 4 is slidably connected to the inside of the fixing device 3; a capping device 5, the bottom of the capping device 5 is slidably connected to the top of the precast mold 4, and the capping device 5 is used to seal the precast mold 4; an anti-slip pad 6, the top of the anti-slip pad 6 is fixedly connected to the corners of the bottom of the base 1; when in use, place the precast mold 4 inside the fixing device 3, the fixing device 3 fixes the precast mold 4, then pour concrete into the precast mold 4, cover the capping device 5, the capping device 5 extracts the air inside the precast mold 4, so that the inside of the mold remains in a negative pressure state, the vibration device 2 drives the fixing device 3 to shake, the fixing device 3 drives the precast mold 4 to shake, the concrete is affected by the negative pressure and vibration, and the number of internal bubbles decreases. By setting the capping device 5, the inside of the device is in a negative pressure state, accelerating the loss rate of bubbles in the concrete, reducing the bubble emergence rate, avoiding the influence of bubbles on the quality of the concrete, ensuring the quality of the precast. By setting the vibration device 2, driving the concrete to vibrate, the concrete vibrates in both the vertical and horizontal directions, strengthening the vibration effect, reducing the labor intensity of workers, improving the production efficiency, and avoiding poor vibration effect affecting the quality of the precast.
[0023] The fixing device 3 includes a housing 31, the bottom of the housing 31 is fixedly connected to the top of the vibration device 2, a fixing platform 32 is fixedly connected to the bottom of the housing 31, a vibration motor 33 is fixedly connected to the outside of the fixing platform 32. When in use, the vibration motor 33 drives the fixing platform 32 and the housing 31 to vibrate, the housing 31 drives the vibration device 2 to vibrate, and the mold vibrates, discharging the gas inside the concrete. By setting the vibration motor 33, driving the precast mold 4 to vibrate, reducing the labor intensity of workers, and strengthening the vibration effect.
[0024] A threaded rod 34 is threadedly connected to the inside of the housing 31, a knob 35 is fixedly connected to the side of the threaded rod 34 away from the housing 31, one end of the threaded rod 34 away from the knob 35 penetrates through the housing 31 and is rotatably connected to a pressing plate 36, the bottom of the pressing plate 36 is slidably connected to the bottom of the inner cavity of the housing 31, and threaded rods 34 are provided on all four sides of the housing 31. When in use, place the precast mold 4 inside the fixing device 3, according to the size of the mold, rotate the knob 35, the knob 35 drives the threaded rod 34 to rotate, the threaded rod 34 drives the pressing plate 36 to approach the mold, and the pressing plate 36 presses on the outer surface of the mold. By setting the fixing device 3, the precast mold 4 is fixed, and the fixing device 3 can adapt to molds of different sizes, preventing the mold from flying out during vibration.
[0025] The vibration device 2 includes a sliding block 21. The bottom of the sliding block 21 is slidably connected to the bottom of the inner cavity of the base 1. The top of the sliding block 21 is fixedly connected to a return spring 23. The top end of the return spring 23 is fixedly connected to the bottom of the outer shell 31. The outer side of the sliding block 21 is fixedly connected to a compression spring 22. One end of the compression spring 22 away from the sliding block 21 is fixedly connected to the inner side of the base 1. When in use, the outer shell 31 drives the vibration device 2 to vibrate. The vibration drives the compression of the return spring 23. The return spring 23 enables the outer shell 31 to vibrate up and down. At the same time, the vibration drives the horizontal movement of the sliding block 21. The sliding block 21 drives the compression of the compression spring 22. The sliding block 21 drives the horizontal movement of the return spring 23 and the outer shell 31, enabling the outer shell 31 to vibrate horizontally. By setting the vibration device 2, the mold can be simultaneously subjected to horizontal vibration and vertical vibration, ensuring the vibrating effect of the concrete.
[0026] The capping device 5 includes a top cover 51. The bottom of the top cover 51 is slidably connected to the top of the precast mold 4. The top of the top cover 51 is fixedly connected to a negative pressure fan 52. A sealing component 53 is arranged inside the top cover 51. When in use, the capping device 5 is aligned with the precast mold 4, and the top cover 51 is moved downward. The top cover 51 drives the sealing component 53 and the negative pressure fan 52 to move downward. During vibration, the negative pressure fan 52 extracts the gas inside the precast mold 4, making the inside of the precast mold 4 in a negative pressure state. By setting the capping device 5, the mold is sealed, enabling the inside of the mold to maintain a negative pressure state.
[0027] The sealing component 53 includes an inclined block 531. The bottom of the inclined block 531 is fixedly connected to the top of the precast mold 4. A chute 532 is formed in the wall of the top cover 51. The inner side of the chute 532 is slidably connected to the outer side of the inclined block 531. The top of the inner cavity of the chute 532 is fixedly connected to a sealing ring 533. When in use, the chute 532 in the sealing component 53 is mutually attached to the inclined block 531. The sealing ring 533 strengthens the sealing between the chute 532 and the inclined block 531. By setting the sealing component 53, the sealing between the capping device 5 and the precast mold 4 is strengthened, preventing air from entering the mold through the connection, and ensuring that the inside of the mold maintains a negative pressure state.
[0028] Working principle:
[0029] When in use, the base 1 is placed on the ground through the anti-slip pad 6. The precast mold 4 is placed inside the fixing device 3. According to the size of the mold, the knob 35 is rotated. The knob 35 drives the threaded rod 34 to rotate. The threaded rod 34 drives the pressing plate 36 to approach the mold. The pressing plate 36 presses on the outer surface of the mold. Then, the concrete is poured into the precast mold 4.
[0030] Align the capping device 5 with the precast mold 4, and move the top cover 51 downward. The top cover 51 drives the sealing assembly 53 and the negative pressure fan 52 to move downward. The chute 532 in the sealing assembly 53 fits with the inclined block 531, and the sealing ring 533 strengthens the sealing between the chute 532 and the inclined block 531. During vibration, the negative pressure fan 52 extracts the gas inside the precast mold 4, making the inside of the precast mold 4 in a negative pressure state;
[0031] During vibration, the vibration motor 33 drives the fixed platform 32 and the outer shell 31 to vibrate. The outer shell 31 drives the vibration device 2 to vibrate. The vibration drives the rebound spring 23 to compress, and the rebound spring 23 enables the outer shell 31 to vibrate up and down. At the same time, the vibration drives the sliding block 21 to move horizontally. The sliding block 21 drives the compression spring 22 to compress, and the sliding block 21 drives the rebound spring 23 and the outer shell 31 to move horizontally, enabling the outer shell 31 to vibrate horizontally. The mold is vibrated to discharge the gas inside the concrete.
[0032] Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present invention. The structures, devices, and operation methods not specifically described and explained in the present invention shall be implemented by conventional means in the art without special instructions and limitations.
Claims
1. A negative pressure vibration production equipment for prefabricated parts production, characterized in that: include: Base (1); A vibration device (2), the bottom of the vibration device (2) being fixedly connected to the bottom of the inner cavity of the base (1), and the vibration device (2) being used to vibrate and compact the prefabricated part; A fixing device (3), wherein the bottom of the fixing device (3) is fixedly connected to the top of the vibration device (2); A preform mold (4), the outer side of the preform mold (4) being slidably connected to the inner side of the fixing device (3); A capping device (5), the bottom of the capping device (5) being slidably connected to the top of the preform mold (4), and the capping device (5) being used to seal the preform mold (4); An anti-skid pad (6), wherein the top of the anti-skid pad (6) is fixedly connected to the corner of the bottom of the base (1).
2. The negative pressure vibration production equipment for prefabricated parts production according to claim 1, characterized in that: The fixing device (3) comprises a shell (31), the bottom of the shell (31) is fixedly connected to the top of the vibration device (2), the bottom of the shell (31) is fixedly connected to a fixing platform (32), and the outer side of the fixing platform (32) is fixedly connected to a vibration motor (33).
3. The negative pressure vibration production equipment for prefabricated parts production according to claim 2, characterized in that: A threaded rod (34) is threadedly connected to the inner side of the shell (31); a knob (35) is fixedly connected to the side of the threaded rod (34) away from the shell (31); an end of the threaded rod (34) away from the knob (35) penetrates the shell (31) and is rotatably connected to a pressure plate (36); the bottom of the pressure plate (36) is slidably connected to the bottom of the inner cavity of the shell (31).
4. The negative pressure vibration production equipment for prefabricated parts production according to claim 2, characterized in that: The vibration device (2) comprises a sliding block (21), the bottom of the sliding block (21) is slidably connected to the bottom of the inner cavity of the base (1), the top of the sliding block (21) is fixedly connected to a rebound spring (23), the top of the rebound spring (23) is fixedly connected to the bottom of the housing (31), the outer side of the sliding block (21) is fixedly connected to a compression spring (22), and one end of the compression spring (22) away from the sliding block (21) is fixedly connected to the inner side of the base (1).
5. The negative pressure vibration production equipment for prefabricated parts production according to claim 1, characterized in that: The capping device (5) comprises a top cover (51), the bottom of the top cover (51) being slidably connected to the top of the preform mold (4), the top of the top cover (51) being fixedly connected to a negative pressure fan (52), and a sealing assembly (53) being arranged inside the top cover (51).
6. The negative pressure vibration production equipment for prefabricated parts production according to claim 5, characterized in that: The sealing assembly (53) comprises an inclined block (531), the bottom of the inclined block (531) is fixedly connected to the top of the preform mold (4), a sliding groove (532) is opened in the wall of the top cover (51), the inner side of the sliding groove (532) is slidably connected to the outer side of the inclined block (531), and a sealing ring (533) is fixedly connected to the top of the inner cavity of the sliding groove (532).