Automatic excess material receiving device for PRC concrete precast slab material distribution process

By designing an automatic waste material receiving device, the problem of leakage at the discharge port was solved, the waste material was automatically processed, and the efficiency and cleanliness of PRC precast concrete slab production were improved.

CN224044117UActive Publication Date: 2026-03-27POLY CHANGDA ENGINEERING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In the existing PRC precast concrete slab production system, the discharge port cover and discharge cylinder cannot be sealed, resulting in concrete leakage, waste, and conveyor belt contamination, which affects production efficiency.

Method used

Design an automatic material receiving device, including a receiving plate and a scraping device. Driven by the receiving cylinder and the scraping cylinder, it automatically receives and scrapes away leaking concrete material, preventing it from falling onto the conveyor belt.

Benefits of technology

It enables automated collection and cleaning of surplus materials, avoiding concrete waste and conveyor belt contamination, and improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an automatic excess material receiving device for a PRC concrete precast slab distribution procedure, the automatic excess material receiving device is arranged between a precast slab template and a discharge barrel, and comprises two first fixing plates, a fixing frame, a receiving plate and a material bearing cylinder, one side of each first fixing plate is provided with a first chute, and the other side of each first fixing plate is provided with a second chute; the two first fixing plates are symmetrically arranged on the two corresponding inner sides of the support, the two sides of the bearing plate are inserted into the two first sliding grooves respectively, the fixing frame is arranged behind the material distributing device, the material bearing air cylinder is arranged on the fixing frame, and the telescopic end of the material bearing air cylinder is connected with the rear end of the bearing plate. According to the utility model, the automatic excess material receiving device is arranged, so that the receiving plate of the automatic excess material receiving device can be driven by the material bearing cylinder to automatically move to the lower part of the discharge hole cover after the discharge barrel discharges materials every time, and the middle part of the receiving plate is positioned under the discharge hole cover to receive excess materials leaked from the discharge hole; and the excess materials are prevented from falling onto the conveying belt.
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Description

TECHNICAL FIELD

[0001] The utility model relates to PRC concrete prefabricated slab material distribution device technical field, concretely for a kind of automatic residual material receiving device for PRC concrete prefabricated slab material distribution process. BACKGROUND

[0002] The existing PRC concrete prefabricated slab production system includes a conveyor belt, a PRC concrete prefabricated slab template, and a material distribution device. The material distribution device includes a receiving hopper, a discharge cylinder, and a discharge port cover. The discharge cylinder is located at the bottom of the receiving hopper and is in communication with the receiving hopper. The front end of the discharge cylinder is provided with a discharge port, and the discharge port is connected with a discharge port cover. The discharge cylinder is provided with a discharge cylinder. The discharge cylinder drives the discharge port cover to close the discharge port in a rotating manner. The conveyor belt is located below the discharge cylinder, and the PRC concrete prefabricated slab template is transported on the conveyor belt. When the middle part of the PRC concrete prefabricated slab template is directly below the discharge port cover, the conveyor belt is paused, and the receiving cylinder drives the receiving plate to move backward. The discharge cylinder drives the discharge port cover to open, and the concrete is discharged from the discharge cylinder. However, since the discharge port cover is closed with the discharge cylinder in a rotating manner by the discharge cylinder, and cannot be sealed after closing, concrete will leak during the continuous two discharges of the material distribution device. The leaked concrete will fall on the conveyor belt, causing waste of concrete and potential contamination of the conveyor belt. Additional manpower is required for cleaning, which affects production efficiency. SUMMARY

[0003] The utility model aims to provide an automatic residual material receiving device for PRC concrete prefabricated slab material distribution process to solve the problems raised in the background.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an automatic residual material receiving device for PRC concrete prefabricated slab material distribution process, the material distribution device includes a receiving hopper and a discharge cylinder. The front end of the discharge cylinder is provided with a discharge port, and the discharge port rotating cover is provided with a discharge port cover. The receiving hopper is fixed by a support. A conveyor belt is provided below the material distribution device, and a prefabricated slab template is transported on the conveyor belt. The automatic residual material receiving device is located between the prefabricated slab template and the discharge cylinder and includes two first fixed plates, a fixed frame, a receiving plate, and a receiving cylinder. One side of each first fixed plate is provided with a first sliding groove, and the two first fixed plates are symmetrically provided on the two corresponding inner sides of the support. The receiving plate is inserted into the two first sliding grooves on both sides. The fixed frame is located behind the material distribution device. The receiving cylinder is provided on the fixed frame, and the extension end of the receiving cylinder is connected with the rear end of the receiving plate.

[0005] Preferably, the upper surface of the receiving plate is also provided with a flow guide frame.

[0006] Preferably, the automatic material scraping device comprises two second fixing blocks, a support block, a scraping plate and a material scraping cylinder, one side of the second fixing block is provided with a second sliding groove, the two second fixing blocks are symmetrically arranged on the receiving plate through the support block and close to the outer side of the flow guide frame, and the two second sliding grooves correspond to each other; the scraping plate comprises a moving rod and a scraping block, the scraping block is arranged below the moving rod, the two ends of the moving rod are movably arranged in the two second sliding grooves, and the rear portion of the receiving plate is provided with the material scraping cylinder; the material scraping cylinder is arranged at the rear portion of the receiving plate, and the telescopic end of the material scraping cylinder is connected with the moving rod.

[0007] Preferably, the scraping block is further provided with two material collecting blocks, the material collecting blocks are outwardly bent, one end of the material collecting block is fixed on the scraping block, and the other end abuts against the inner wall of the flow guide frame.

[0008] Compared with the prior art, the automatic material scraping device can automatically scrape the residual material in the receiving plate into the prefabricated plate template during the discharging of the discharging cylinder, so that the waste of concrete is avoided.

[0009] The automatic receiving residual material device can automatically move to the lower side of the discharging port cover under the driving of the receiving material cylinder after each time of discharging of the discharging cylinder, and the middle portion of the receiving plate is located directly below the discharging port cover to receive the residual material leaking from the discharging port, so that the residual material is prevented from falling on the conveying belt.

[0010] In addition, the automatic material scraping device is arranged, and the residual material in the receiving plate can be automatically scraped into the prefabricated plate template during the discharging of the discharging cylinder, so that the receiving plate is cleaned by the automatic material scraping device, and the waste of concrete is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a discharging state diagram (the discharging port cover is in an open state) of the utility model;

[0012] Figure 2 It is a structure diagram of the receiving plate provided by the utility model;

[0013] Figure 3 It is a structure diagram of the scraping plate provided by the utility model;

[0014] Figure 4 It is a non-discharging state diagram (the discharging port cover is in a closed state) of the utility model;

[0015] In the drawing: support 10, material receiving hopper 11, discharging cylinder 12, discharging cylinder 13, discharging port cover 14, conveying belt 15, prefabricated plate template 16, first fixing plate 21, receiving plate 22, flow guide frame 221, receiving material cylinder 23, fixing frame 24, first sliding groove 211, second fixing block 31, second sliding groove 311, support block 32, scraping plate 33, moving rod 331, scraping block 332, material collecting block 3321 and material scraping cylinder 34. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiment of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0017] Please refer to Figures 1-4 :

[0018] An automatic residual material receiving device for PRC concrete prefabricated slab distribution process, the distribution device comprises a receiving hopper 11 and a discharging cylinder 12, the front end of the discharging cylinder 12 is provided with a discharging port, the discharging port rotating cover is provided with a discharging port cover 14, the receiving hopper 11 is fixed through a support 10, the lower portion of the distribution device is provided with a conveying belt 15, the conveying belt 15 is provided with a prefabricated slab template 16, the automatic residual material receiving device is arranged between the prefabricated slab template 16 and the discharging cylinder 12, and the automatic residual material receiving device comprises two first fixed plates 21, a fixing frame 24, a receiving plate 22 and a receiving cylinder 23, one side of each first fixed plate 21 is provided with a first sliding groove 211, the two first fixed plates 21 are symmetrically arranged at the two corresponding inner sides of the support 10, the two sides of the receiving plate 22 are respectively inserted into the two first sliding grooves 211, the fixing frame 24 is arranged at the rear of the distribution device, the receiving cylinder 23 is arranged on the fixing frame 24, and the telescopic end of the receiving cylinder 23 is connected with the rear end of the receiving plate 22.

[0019] The automatic residual material receiving device can automatically move to the lower portion of the discharging port cover 14 under the driving of the receiving cylinder 23 after the discharging cylinder 12 discharges each time, and the middle portion of the receiving plate 22 is located directly below the discharging port cover 14 to receive the residual material leaking from the discharging port, so that the residual material is prevented from falling onto the conveying belt 15.

[0020] In the embodiment, preferably, the upper surface of the receiving plate 22 is further provided with a flow guide frame 221. The flow guide frame 221 is arranged on the upper surface of the receiving plate 22 to limit the flow of the residual material in the flow guide frame, which can prevent the concrete from flowing out of the receiving plate 22 and facilitate the scraper 33 to push all the residual material onto the PRC concrete prefabricated slab template 16, so that the residual material is prevented from accumulating on the receiving plate 22 and is also prevented from being wasted.

[0021] In the embodiment, as preferred, the automatic material scraping device further comprises two second fixing blocks 31, a supporting block 32, a scraping plate 33 and a scraping cylinder 34, one side of the second fixing block 31 is provided with a second sliding groove 311, the two second fixing blocks 31 are symmetrically arranged on the receiving plate 22 through the supporting block 32, and are close to the outer side of the flow guide frame 221, and the two second sliding grooves 311 correspond to each other; the scraping plate 33 comprises a moving rod 331 and a scraping block 332, the scraping block 332 is arranged below the moving rod 331, the two ends of the moving rod 331 are movably arranged in the two second sliding grooves 311, and the rear part of the receiving plate 22 is provided with the scraping cylinder 34; the scraping cylinder 34 is arranged at the rear part of the receiving plate 22, and the telescopic end of the scraping cylinder 34 is connected with the moving rod 331.

[0022] The automatic material scraping device provided in the utility model can automatically scrape the remaining material in the receiving plate 22 into the prefabricated plate template 16 during discharging of the discharging cylinder 12, thereby avoiding manual cleaning of the receiving plate 22 and avoiding waste of concrete.

[0023] In the embodiment, as preferred, the scraping block 332 is further provided with two material collecting blocks 3321, the material collecting block 3321 is outwardly bent, one end of the material collecting block 3321 is fixed on the scraping block 332, and the other end abuts against the inner wall of the flow guide frame 221. The material collecting block 3321 is arranged to collect the remaining material first during forward movement of the scraping block 332 and push out the remaining material finally, and this is helpful to complete scraping.

[0024] Working principle:

[0025] In the initial state, the PRC concrete prefabricated plate template 16 has not been conveyed to the lower side of the discharging cylinder 12, at this time, the middle part of the receiving plate 22 is located directly below the discharging port, and the scraping plate 33 is located at the rear part of the flow guide frame 221;

[0026] When the PRC concrete prefabricated plate template 16 is conveyed to the lower side of the discharging cylinder 12 and the middle part thereof is located directly below the discharging port cover 14, the conveying belt is paused, the material receiving cylinder 23 drives the receiving plate 22 to move rearward, the discharging cylinder 13 drives the discharging port cover 14 to open the discharging port,

[0027] The concrete in the material receiving hopper 11 is distributed to the PRC concrete prefabricated plate template 16 through the discharging port, when the set amount is reached, the discharging cylinder 13 drives the discharging port cover 14 to close the discharging port, in the distribution process, the scraping cylinder 34 drives the scraping plate 33 to move forward, and the remaining material is pushed out to the rear part of the PRC concrete prefabricated plate template 16, after being pushed out, the scraping plate 33 is driven to return to the initial position (the initial position is the maximum distance of the scraping plate 33 from the front end of the receiving plate 22), the conveying belt continues to move, at the same time, the material receiving cylinder 23 drives the receiving plate 22 to move to the lower side of the discharging port, and the receiving plate 22 receives the concrete seeping out of the discharging port.

[0028] The above are only embodiments of the present application, and do not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. An automatic waste material receiving device for the placement process of PRC precast concrete slabs, the automatic waste material receiving device being mounted on a placement device, the placement device including a receiving funnel and a discharge cylinder, the front end of the discharge cylinder having a discharge port, the discharge port rotating cover having a discharge port cover, the receiving funnel being fixed by a bracket, and a conveyor belt being provided below the placement device, on which precast slab templates are conveyed, characterized in that: The automatic excess material receiving device is arranged between the prefabricated slab formwork and the discharging cylinder, and comprises two first fixed plates, a fixed frame, a receiving plate and a material receiving cylinder.

2. The automatic excess material receiving device for the PRC concrete prefabricated slab material distribution process according to claim 1, characterized in that: The upper surface of the receiving plate is further provided with a flow guide frame.

3. The automatic excess material receiving device for the PRC concrete prefabricated slab material distribution process according to claim 2, characterized in that: The automatic material scraping device comprises two second fixed blocks, a supporting block, a scraping plate and a material scraping cylinder, one side of the second fixed block is provided with a second sliding groove, two second fixed blocks are symmetrically arranged on the receiving plate through the supporting block and close to the outer side of the flow guide frame, and two second sliding grooves correspond to each other; the scraping plate comprises a moving rod and a scraping block, the scraping block is arranged below the moving rod, both ends of the moving rod are movably arranged in the two second sliding grooves, and the rear part of the receiving plate is provided with the material scraping cylinder; the material scraping cylinder is arranged at the rear part of the receiving plate, and the telescopic end of the material scraping cylinder is connected with the moving rod.

4. The automatic excess material receiving device for the PRC concrete prefabricated slab material distribution process according to claim 3, characterized in that: The scraping block is further provided with two material collecting blocks, the material collecting blocks are outwardly bent, one end of the material collecting block is fixed on the scraping block, and the other end abuts against the inner wall of the flow guide frame.