An automatic demoulding device for concrete hollow precast components

Abstract

The present invention is applicable to the field of automated precast component equipment, and provides an automatic demolding device for concrete hollow precast components, which includes a bench. There is a support plate on the top surface of the bench. One or more through holes are formed in the support plate. There is a lifting and vibrating mechanism at the bottom of the support plate. A push block is arranged at the top of the lifting and vibrating mechanism directly opposite to each position of the through hole. A top frame is also arranged directly above the support plate. In the present invention, the push block can lift the mold box as a whole until it reaches the top frame, clamp the mold box up and down and vibrate it, without generating a lateral clamping force on the precast component in the mold box. Therefore, when the mold box vibrates, the concrete precast component in the mold box can quickly be separated from the mold box and fall onto the support plate. The structure of this device is ingeniously designed, solving the demolding problem of hollow precast components, improving the demolding efficiency, without manual intervention, and reducing the labor cost and time cost.

Description

Technical Field

[0001] The present invention belongs to the field of automated precast component equipment, and particularly relates to an automatic demolding device for concrete hollow precast components. Background Art

[0002] Concrete precast components refer to concrete products processed and produced in factories through standardized and mechanized methods, and are widely used in fields such as construction, transportation, and water conservancy, playing an important role in the national economy. Concrete precast components require processes such as mold making and on-site casting at the construction site, and need to be demolded after forming.

[0003] Currently, most manufacturers use manual methods for demolding concrete precast components. In addition, some manufacturers use mechanical demolding methods. Mechanical demolding mainly involves turning over the mold box filled with concrete, with the opening of the mold box facing downwards, and vibrating the mold box in the form of vibration or tapping, so that the concrete precast components in the mold box are separated from the mold box, and finally the concrete precast components are stacked.

[0004] For ordinary solid precast components, such as standard cuboid precast components, there are five contact surfaces between the mold box and the precast component, and the precast component can be vibrated and separated from the mold box through conventional vibration methods. However, for hollow precast components, such as Figure 1 the hollow hexagonal block precast component shown, there is a protrusion upwards in the center of the corresponding mold box, which makes the contact surface between the concrete and the mold box reach thirteen places. The increased contact area makes it difficult for the hollow precast component to be separated from the mold box, and even if it is separated from the mold box, it needs to be vibrated for a long time. Therefore, the existing demolding devices cannot fundamentally solve the demolding problem of hollow precast components. Summary of the Invention

[0005] In view of the above problems, the purpose of the present invention is to provide an automatic demolding device for concrete hollow precast components, aiming to solve the technical problem that the existing demolding devices cannot solve the demolding of hollow precast components.

[0006] The present invention adopts the following technical solutions:

[0007] The automatic demolding device for concrete hollow precast components includes a bench. There is a support plate on the top surface of the bench. The support plate is provided with one or more through holes. There is a lifting and vibrating mechanism at the bottom of the support plate. A pushing block is arranged at the top of the lifting and vibrating mechanism opposite to each position passing through the through hole. A top frame is also provided directly above the support plate.

[0008] Further, the top frame is a lifting top frame, or a height-adjustable pressing member is provided downward from the top frame.

[0009] Furthermore, the lifting and vibrating mechanism includes a linear driving member, a driving end of the linear driving member is provided with a bracket, one or more groups of vibration devices are installed on the bracket, and the pushing block is located on the top of the vibration device.

[0010] Furthermore, the vibration device includes a vibration plate, a vibration motor is provided at the bottom of the vibration plate, and the vibration plate is connected to the bracket via a guide spring.

[0011] Furthermore, there are several rows of beams on the top of the vibration plate, and the push blocks are fixed to the corresponding beams.

[0012] Furthermore, the automatic demoulding device also includes an inlet roller conveyor located upstream of the stand and an outlet roller conveyor located downstream of the stand.

[0013] Furthermore, the inlet roller and the outlet roller both include a driving mechanism, which includes a driving motor assembly, a reversing wheel group and a transmission belt, the transmission belt is wound around the reversing wheel group, the driving motor assembly is used to drive the reversing wheel group to rotate, and there is a shift block on the transmission belt.

[0014] Furthermore, notches are provided on both sides of the support plate facing the transmission belt.

[0015] Furthermore, a gantry is provided at the exit roller table, and a mold box device is installed on the gantry.

[0016] The beneficial effects of the present invention are as follows: after the mold box is moved to the support plate of the stand and positioned, the lifting and vibration mechanism lifts the mold box as a whole to the top frame and vibrates the mold box. The present invention clamps the mold box up and down and vibrates it, without generating lateral clamping force on the prefabricated components in the mold box. Therefore, when the mold box vibrates, the concrete prefabricated components in the mold box can quickly break away from the mold box and fall onto the support plate. Although the mold box is also partially covered on the prefabricated components at this time, the mold box can be conveniently removed after the mold box is moved off the stand as a whole. The structural design of the device is ingenious, and the structural characteristics of the hollow prefabricated components are utilized. The mold box corresponds to the hollow part of the prefabricated components, which is a plane flush with the top surface. Therefore, by applying a thrust here, the mold box can be clamped up and down, and then vibrated, and the prefabricated components can be quickly demolded. The present invention solves the demolding problem of hollow prefabricated components, improves demolding efficiency, and reduces labor costs and time costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of a hollow prefabricated component;

[0018] Figure 2 is a three-dimensional diagram of an automatic demoulding device provided by an embodiment of the present invention;

[0019] Figure 3 It is the structural diagram of the joint mold box;

[0020] Figure 4 is the front view of the automatic demoulding device provided by the embodiment of the present invention;

[0021] Figure 5 is the three-dimensional view of the automatic demoulding device including an inlet roller table and an outlet roller table;

[0022] Figure 6 is the partial structural view of the inlet roller table. Specific Embodiments

[0023] In order to make the objectives, technical solutions and advantages of the present invention more clear and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0024] In order to illustrate the technical solutions described in the present invention, specific embodiments will be used for illustration below.

[0025] Figure 2 shows the structure of the automatic demoulding device for concrete hollow precast components provided by the embodiment of the present invention. For the convenience of description, only the parts related to the embodiment of the present invention are shown.

[0026] The automatic demoulding device for concrete hollow precast components provided in this embodiment includes a bench 1. There is a support plate 2 on the top surface of the bench 1. One or more through holes 21 are opened on the support plate 2. There is a lifting and vibrating mechanism 3 at the bottom of the support plate 2. A pushing block 31 is arranged at the top of the lifting and vibrating mechanism opposite to each position passing through the through hole. A top frame 4 is also arranged directly above the support plate 2.

[0027] In this structure, the support plate can be made of a steel plate with through holes opened. The number of through holes is not limited in this embodiment. The pushing blocks and the through holes correspond one by one. If a combined mold box is used, as Figure 3 shown, the combined mold box is divided into multiple small mold box areas. After the combined mold box moves to the support plate, each small mold box area exactly corresponds to each through hole. The specific positioning method is not specifically limited in this embodiment. Of course, a separated mold box can also be used, and multiple mold boxes are placed in the box body to be given. If only a single mold box is used, the demoulding function can also be realized in this embodiment, but demoulding one hollow precast component each time relatively affects the demoulding efficiency. It is recommended to use a combined mold box.

[0028] Under normal circumstances, the top surface of the pushing block is not higher than the plane of the support plate. The mold box moves downward with the opening facing down and is positioned on the support plate of the bench. At this time, each small mold box area of the mold box is located directly above the through hole. Since the hollow part of the mold box corresponding to the precast member is a plane flush with the top surface, when the lifting and vibrating mechanism drives the pushing block to move upward, the entire mold box can be lifted until it reaches the top frame. The top frame and the pushing block can then clamp the mold box up and down, without generating a lateral clamping force on the precast member inside the mold box. Therefore, when the mold box vibrates, the concrete precast member inside the mold box can quickly break away from the mold box and fall onto the support plate. At this time, the mold box also covers the precast member, but the mold box has already separated from the precast member. After the entire mold box is moved out of the bench later, the mold box can be easily removed. The structure of this device is ingeniously designed, taking advantage of the structural characteristics of the hollow precast member, solving the demolding problem of the hollow precast member, improving the demolding efficiency, and reducing the time cost.

[0029] Although the illustrated hollow precast member is a hexagonal block, in actual application, it can also be used for the demolding of various other hollow precast members, such as hollow square blocks, circular ring blocks, etc. Since it will not generate a clamping force on the side wall of the mold box, it is applicable to precast members of various shapes, which are all within the scope of protection of the present invention.

[0030] This device can also adapt to hollow precast members of different heights. For example, the top frame can be made into a lifting top frame, and the height of the lifting top frame needs to be higher than the thickness of the mold box. There are various ways to adjust the height of the top frame. For example, it can be driven to move up and down by a hydraulic cylinder or a pneumatic cylinder. Figure 2 Another implementation structure is shown in the illustrated structure. In this structure, the top frame does not move and is directly fixed to the bench. A height-adjustable pressing member 41 is provided downward on the top frame. For example, the pressing member can be installed by screwing a stud. The bottom surface of the pressing member is a contact disk, and the height can be adjusted by rotating the pressing member. The mold box is clamped between the pressing member and the pushing block.

[0031] As a specific structure of the lifting and vibrating mechanism, as Figure 4 shown, it includes a linear drive member 32. A bracket 33 is provided at the drive end of the linear drive member 32. One set or several sets of vibrating devices are installed on the bracket 33. Specifically, the vibrating device includes a vibrating plate 34. A vibrating motor 35 is provided at the bottom of the vibrating plate 34. The vibrating plate 34 is connected to the bracket 33 through a guiding spring 36. In addition, there are several rows of beam frames 37 at the top of the vibrating plate. The pushing block 31 is fixed to the corresponding beam frame 37. The linear drive member uses a pneumatic cylinder or a hydraulic cylinder. The linear drive member drives the vibrating plate, the bracket, the vibrating motor, and the beam frame to move up and down as a whole, so as to push the pushing block out of the through hole. The function of the vibrating motor can drive the vibrating plate and the beam frame to vibrate as a whole, and then drive the pushing block to vibrate. After the precast member breaks away from the mold box and falls onto the support plate, the pushing block retracts to be flush with or below the support plate. Finally, the mold box and the precast member as a whole overflow from the bench.

[0032] As a specific implementation for the mold box to enter and exit the gantry, as Figure 5 shown, the automatic demolding device further includes an inlet roller table 5 located upstream of the gantry and an outlet roller table 6 located downstream of the gantry. The mold box is pushed into the gantry from the inlet roller table. After demolding is completed, it is pushed out onto the outlet roller table. Finally, a gantry 7 is also provided at the position of the outlet roller table 6, and a mold box picking device 8 is installed on the gantry 7. The specific form of the mold box picking device is not limited in this embodiment, and the mold box can be removed by a manipulator, a clamping mechanism, a suction cup mechanism, etc. As a specific structure, as shown in the figure, there is a transverse slide on the gantry, a slide plate is arranged on the transverse slide, the mold box picking device includes a lifting rod installed on the slide plate, and the end of the lifting rod is a suction cup. The mold box is sucked on the back by the suction cup. After sucking the mold box, it can be moved to one side of the outlet roller table and placed. The remaining hollow precast members on the outlet roller table enter the subsequent palletizing process.

[0033] As Figure 6 shown, both the inlet roller table and the outlet roller table include a driving mechanism. The driving mechanism includes a driving motor assembly 51, a reversing wheel set 52, and a transmission belt 53. The transmission belt 53 is wound around the reversing wheel set 52. The driving motor assembly 51 is used to drive the reversing wheel set 52 to rotate. There are dial blocks 54 on the transmission belt, and notches 22 are opened on both sides of the support plate opposite to the position of the transmission belt. When the mold box is on the inlet roller table, during the rotation of the transmission belt of the inlet roller table, the dial block contacts the tail of the mold box and pushes the mold box onto the gantry. The dial block moves into the notch and completes the reversing, and just can push the mold box into place. After demolding is completed, the transmission belt of the outlet roller table is driven to rotate, and the dial block of the outlet roller table moves into the head end of the mold box, and can drag the mold box and the precast member out of the gantry as a whole until it is completely moved onto the outlet roller table and in place. Finally, the mold box picking and palletizing operations are carried out.

[0034] In summary, the present invention provides a demolding device applicable to hollow precast members, which can quickly separate the mold box and the precast member, has a high degree of automation, does not require manual operation, and improves the demolding efficiency of the precast member. At the same time, in the preferred structure, an implementation structure for the mold box to enter and exit the demolding device gantry is also designed. The structure design is simple and can accurately push the mold box into and drag it out of the gantry. This device can be used as a part of a fully automatic hollow precast member production line to realize the rapid and high-efficiency production of hollow precast members, and at the same time reduces the labor cost and is suitable for wide promotion and use.

[0035] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automatic demoulding device for concrete hollow precast components, characterized in that, The automatic demoulding device includes a bench. There is a support plate on the top surface of the bench. One or more through holes are formed in the support plate. There is a lifting and vibrating mechanism at the bottom of the support plate. A pushing block is arranged at the top of the lifting and vibrating mechanism right opposite each position of the through hole. A top frame is also arranged directly above the support plate; the top frame is a lifting top frame, or a pressing member with adjustable height is arranged downward on the top frame; the lifting and vibrating mechanism includes a linear driving member, a bracket is arranged at the driving end of the linear driving member, and a group or several groups of vibrating devices are installed on the bracket, and the pushing block is located at the top of the vibrating device. The top surface of the pushing block is not higher than the plane of the support plate. The mold box moves downward with the opening facing down and is positioned on the support plate of the bench. At this time, each small mold box area of the mold box is located directly above the through hole one by one. The hollow part of the mold box corresponding to the precast member is a plane flush with the top surface. When the lifting and vibrating mechanism drives the pushing block to move upward, the whole mold box can be lifted until it reaches the top frame, and the top frame and the pushing block can clamp the mold box up and down, without generating a lateral clamping force on the precast member in the mold box. When the mold box vibrates, the concrete precast member in the mold box is separated from the mold box and falls onto the support plate.

2. The automatic demoulding device for the precast concrete hollow member according to claim 1, wherein The vibrating device includes a vibrating plate, a vibrating motor is arranged at the bottom of the vibrating plate, and the vibrating plate is connected to the bracket through a guiding spring.

3. The automatic demolding device for the precast concrete hollow member according to claim 2, wherein There are several rows of beam frames on the top of the vibrating plate, and the pushing block is fixed to the corresponding beam frame.

4. The automatic demolding device for the precast concrete hollow member according to claim 1, wherein, The automatic demoulding device further includes an inlet roller table located upstream of the bench and an outlet roller table located downstream of the bench.

5. The automatic demolding device for the concrete hollow precast member according to claim 4, wherein Both the inlet roller table and the outlet roller table include a driving mechanism. The driving mechanism includes a driving motor assembly, a reversing wheel group and a transmission belt. The transmission belt is wound around the reversing wheel group. The driving motor assembly is used to drive the reversing wheel group to rotate, and there are baffle blocks on the transmission belt.

6. The automatic demolding device for the concrete hollow precast member according to claim 5, wherein Notches are formed on both sides of the support plate directly opposite the position of the transmission belt.

7. The automatic demolding device for the concrete hollow precast member according to claim 6, wherein, A gantry is also arranged at the position of the outlet roller table, and a mold box taking device is installed on the gantry.

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