Concrete blanking buffering bin hopper
By designing a concrete discharge buffer hopper, and using buffer seats and buffer rollers to slow down the material flow rate, the problem of material impact and wear on the conveyor belt is solved, achieving uniform discharge and preventing blockage, thereby improving production efficiency and equipment intelligence.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-03-31
AI Technical Summary
Concrete materials cause impact and wear to the conveyor belt during unloading, reducing its service life.
A concrete discharge buffer hopper was designed, comprising a material hopper, a connecting cylinder, a discharge cylinder, a buffer seat, and a buffer structure. The material is diverted through multiple discharge holes, and the material flow rate is slowed down by the buffer seat and buffer rollers. Combined with a motor-driven rotating roller, blockage is prevented.
It effectively avoids the impact and wear of materials on the conveyor belt, improves the service life of the conveyor belt, achieves uniform material discharge and prevents blockage, and enhances production efficiency and equipment intelligence.
Smart Images

Figure CN224061643U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to concrete production technical field, concretely is a kind of concrete blanking buffer hopper. BACKGROUND
[0002] Concrete, commonly known as "concrete": it is the engineering composite material that the cementitious material is cemented into whole by aggregate, the word concrete commonly spoken is the cement that is used as cementitious material, sand, stone is aggregate;With water can contain additive and admixture according to certain proportion, after stirring, cement concrete, also called ordinary concrete, it is widely used in civil engineering.
[0003] In the production process of concrete, the material is unloaded to the conveying belt through the storage hopper, and then conveyed to the mixer or the intermediate storage bin. When the unloading valve of the storage hopper is opened, the material will fall instantaneously, causing impact and wear on the conveying belt, reducing the service life of the conveying belt. Therefore, we propose a concrete hopper with a blanking buffer structure to solve this existing technical defect. SUMMARY
[0004] In view of the shortcomings of the prior art, the utility model provides a concrete blanking buffer hopper.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a concrete blanking buffer hopper, comprising a material hopper, a butt joint cylinder is embedded through the bottom wall of the material hopper, a plurality of discharge holes are provided on the butt joint cylinder, a discharge cylinder is seamlessly connected to the lower end of the butt joint cylinder, and a discharge hole is provided on the discharge cylinder and communicates with the discharge hole;
[0006] The lower end of the material hopper is provided with a buffer seat located below the discharge cylinder, the upper surface of the buffer seat is inclined downward based on the center and the left and right sides, the left and right sides of the buffer seat are connected with discharge seats inclined downward, the discharge seats are provided with buffer structures for buffering the discharged material, and the ends of the discharge seats are located above the surface of the conveying belt.
[0007] By adopting the above technical scheme, the butt joint cylinder is connected with the material hopper, which facilitates the discharge of the material in the material hopper through the plurality of discharge holes provided on the butt joint cylinder. At the same time, the discharged material is discharged through the discharge hole on the discharge cylinder to the buffer seat for buffering. The material is discharged through the two side slopes on the buffer seat to the discharge seats. At the same time, the material is discharged through the slope of the discharge seat to the conveying belt, and the buffer structure buffers the material to slow down the flow rate, avoiding impact and wear on the conveying belt when falling onto the conveying belt.
[0008] As a preferred technical scheme of the utility model, the buffer structure comprises multiple blocking plates and buffer rollers, the blocking plates are arranged on the front and rear side walls of the inner cavity of the discharging seat, and are arranged on the inclined surface of the bottom wall of the discharging seat in a downward inclined manner, the blocking plates are alternately distributed on the front and rear sides, the buffer rollers are arranged between the front and rear side walls of the discharging seat and are located at the opening of the discharging seat.
[0009] By adopting the above technical scheme, the blocking plates are alternately distributed in a stepped manner, the blocking plates are used for blocking and buffering the materials and discharging the materials along the inclined surface, and the buffer rollers are used for rolling by contacting and rubbing the flowing materials, so that the falling materials are further buffered.
[0010] As a preferred technical scheme of the utility model, the automatic on-off valve is communicated with the outside of the discharging cylinder.
[0011] By adopting the above technical scheme, the automatic on-off valve is opened to realize the discharging of the discharging cylinder.
[0012] As a preferred technical scheme of the utility model, the upper surface of the docking cylinder is lower than the bottom wall of the inner cavity of the material hopper.
[0013] By adopting the above technical scheme, the materials are conveniently discharged into the discharging holes on the docking cylinder.
[0014] As a preferred technical scheme of the utility model, the discharging holes are annularly and equidistantly distributed.
[0015] By adopting the above technical scheme, the materials are conveniently and uniformly discharged.
[0016] As a preferred technical scheme of the utility model, the bottom wall of the buffer seat is provided with a motor, an output shaft of the motor is provided with a rotating roller penetrating through the discharging cylinder and the docking cylinder and located above the docking cylinder, the rotating roller is arranged with the same center as the docking cylinder, and the rotating roller is externally provided with multiple poking rods.
[0017] By adopting the above technical scheme, the motor drives the poking rods on the rotating roller to rotate to poke the materials at the bottom of the material hopper, so that the materials are prevented from being accumulated at the bottom of the material hopper and blocked.
[0018] As a preferred technical scheme of the utility model, the two side inclined surfaces of the buffer seat are provided with resistance increasing grooves.
[0019] By adopting the above technical scheme, the discharging resistance increasing and buffering effect of the materials on the buffer seat is improved.
[0020] As a preferred technical scheme of the utility model, the buffer rollers are externally provided with helical grooves which are helically distributed.
[0021] The technical scheme has the beneficial effects that the resistance effect of the flowing material contacting the buffer roller is improved, and the buffering effect on the material is improved.
[0022] Compared with the prior art, the technical scheme has the following beneficial effects:
[0023] 1. The concrete material falling buffer hopper is convenient for the material in the material hopper to be discharged through the multiple material discharge holes arranged on the butt joint cylinder, and the material discharged through the multiple material discharge holes is discharged to the buffer seat through the material discharge holes on the material discharge cylinder and is discharged to the material discharge seat through the two side slopes on the buffer seat, and the buffer structure buffers the material to slow down the flow rate, avoids the impact and abrasion of the material directly falling on the conveying belt, and reduces the service life of the conveying belt.
[0024] 2. The concrete material falling buffer hopper drives the stirring rod on the rotating roller to rotate to stir the material at the bottom of the material hopper, so that the material is prevented from being accumulated at the bottom of the material hopper and blocked. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 is a perspective view of the utility model;
[0026] Figure 2 is a partially cutaway perspective view of the utility model;
[0027] Figure 3 is a perspective view of the utility model Figure 2 ;
[0028] Figure 4 is a bottom view of the utility model;
[0029] Figure 5 is a partially cutaway perspective view of the utility model.
[0030] In the drawings: 1, material hopper; 2, butt joint cylinder; 3, material discharge hole; 4, material discharge cylinder; 5, material discharge hole; 6, buffer seat; 7, motor; 8, rotating roller; 9, stirring rod; 10, automatic on-off valve; 11, material discharge seat; 12, blocking plate; 13, buffer roller; 14, conveying belt. DETAILED DESCRIPTION
[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0032] Please refer to Figures 1-5 The concrete material buffering hopper in the embodiment mainly comprises a material hopper 1, a butt joint cylinder 2, a discharging hole 3, a discharging cylinder 4, a discharging hole 5, a buffering seat 6, a discharging seat 11, a buffering structure, a conveying belt 14 and the like, and the components are matched with each other to realize the buffering and discharging functions of the material and effectively protect the conveying belt 14 from impact and abrasion of the material.
[0033] Detailed structure and positional relationship,
[0034] The material hopper 1 is the main part of the whole device, is made of high-strength steel, has a funnel shape with a wide upper part and a narrow lower part, and is used for storing the concrete material to be discharged.
[0035] The butt joint cylinder 2 is embedded and fixed through the bottom wall of the material hopper 1, is seamlessly connected with the material hopper 1, ensures that the material can smoothly enter the butt joint cylinder 2 from the material hopper 1, the upper surface of the butt joint cylinder 2 is lower than the bottom wall of the inner cavity of the material hopper 1, facilitates the smooth entry of the material into the discharging hole 3, a plurality of discharging holes 3 are uniformly distributed on the upper surface of the butt joint cylinder 2, the discharging holes 3 are annularly and equidistantly distributed, and are used for uniformly distributing and discharging the material.
[0036] The discharging cylinder 4 is seamlessly connected and fixed at the lower end surface of the butt joint cylinder 2, is made of a cylindrical steel pipe, a discharging hole 5 corresponding to each discharging hole 3 is formed in the discharging cylinder 4, the size of the discharging hole 5 matches that of the discharging hole 3, and the material can smoothly flow into the discharging cylinder 4 from the butt joint cylinder 2 and be finally discharged to the buffering seat 6.
[0037] The buffering seat 6 is installed and fixed at the lower end surface of the material hopper 1 and is located below the discharging cylinder 4, the upper surface of the buffering seat 6 is downwardly inclined based on the center and left and right sides, forms a V-shaped slope, the inclination angle of the slope is 30-45 degrees and can be set according to the actual discharging condition, is used for preliminarily buffering and distributing the material discharged from the discharging cylinder 4, the upper surface of the buffering seat 6 is attached with a buffering rubber pad to improve the buffering effect, the buffering rubber pad is replaceable, and the left and right sides of the buffering seat 6 are connected and fixed with the discharging seat 11, the discharging seat 11 is also downwardly inclined and is smoothly connected with the slope of the buffering seat 6 to ensure that the material can smoothly enter the discharging seat 11.
[0038] The discharging seat 11 has a rectangular channel steel structure, the end thereof is located above the surface of the conveying belt 14, the height from the surface of the conveying belt 14 is 10-20 CM, ensures that the material can accurately fall on the conveying belt 14 and be conveyed, and the buffering structure is arranged on the discharging seat 11 and is used for buffering the discharged material to slow down the flow rate of the material and avoid impact and abrasion of the conveying belt 14.
[0039] The buffer structure comprises a plurality of blocking plates 12 and buffer rollers 13. The blocking plates 12 are fixedly installed on the front and rear sidewalls of the inner cavity of the discharging seat 11, are made of wear-resistant steel plates, are inclinedly arranged downward along the inclined surface of the bottom wall of the discharging seat 11, are alternately distributed on the front and rear sides, form a stepped buffer structure, and make the material be blocked multiple times and gradually slow down the flow rate during falling. The buffer rollers 13 are rotatably installed between the front and rear sidewalls of the discharging seat 11 and are located at the opening of the discharging seat 11. The buffer rollers 13 are made of high-strength engineering plastic, are provided with helical grooves in a spiral distribution on the surface, improve the resistance-increasing effect of the flowing material in contact with the buffer rollers 13, and further buffer the material.
[0040] The conveying belt 14 is installed below the end of the discharging seat 11, is used for receiving the material discharged from the discharging seat 11, and conveys the material to the next process.
[0041] The automatic on-off valve 10 is installed outside the discharging cylinder 4, is an electric butterfly valve, is driven to be opened and closed by a motor, the nominal diameter of the automatic on-off valve 10 matches the diameter of the discharging cylinder 4, ensures good sealing performance, can effectively control the discharging process of the material, and avoids leakage of the material when discharging is not needed.
[0042] The motor 7, the rotating roller 8 and the pushing rod 9: the motor 7 is fixedly installed on the bottom wall of the buffer seat 6 by bolts, is a speed-reducing motor, is fixedly connected with the rotating roller 8 through a shaft coupling, the rotating roller 8 penetrates through the discharging cylinder 4 and the butt joint cylinder 2, is arranged with the same center as the butt joint cylinder 2, and is uniformly welded with a plurality of pushing rods 9 in a stepped annular and equidistant distribution outside. The pushing rods 9 are used for pushing the material at the bottom of the material hopper 1 under the driving of the motor 7, prevent the material from being accumulated and blocked, and ensure that the material can smoothly enter the discharging hole 3.
[0043] The resistance-increasing groove is arranged on the two side inclined surfaces of the buffer seat 6, is in a herringbone distribution, is used for increasing the discharging resistance of the material on the buffer seat 6, further improves the buffering effect, and makes the material be more uniformly distributed on the discharging seat 11.
[0044] System control expansion,
[0045] Automatic control system: The concrete material buffering hopper is equipped with an automatic control system, mainly including a PLC programmable logic controller, sensors, a touch screen operation interface, etc. The PLC serves as the core control unit, with powerful control functions and stability, capable of accurately controlling and automatically managing the operation of the entire device. The sensors, including material level sensors, pressure sensors, and speed sensors, are installed at key positions such as the material hopper 1, the discharge cylinder 4, and the conveyor belt 14, to monitor parameters such as material storage, discharge pressure, and conveyor belt speed in real time, and feed signals back to the PLC. The touch screen operation interface is installed on the device's operation platform, allowing operators to set parameters, start and stop control, and monitor status, etc., to realize human-machine interaction and improve the intelligence level and operation convenience of the equipment. The above system expansion is prior art.
[0046] Intelligent adjustment function: Through the automatic control system, the opening degree of the automatic on-off valve 10, the speed of the motor 7, and the running speed of the conveyor belt 14 can be automatically adjusted according to parameters such as the type, flow, and particle size of the material, to realize intelligent adjustment of the material discharge process, ensure uniform and stable discharge of the material into the conveyor belt 14, and improve production efficiency and quality. The above system expansion is prior art.
[0047] Principle and expansion of the scheme,
[0048] Working principle
[0049] Material storage and buffering discharge: Concrete material enters the material hopper 1 through the feeding equipment for storage. When discharge is needed, the automatic on-off valve 10 opens, and the material in the material hopper 1 is uniformly discharged through the multiple discharge holes 3 on the connecting cylinder 2 under the action of its own gravity, enters the discharge cylinder 4, and is discharged through the discharge hole 5 to the buffer seat 6.
[0050] Buffering and flow splitting: The material is initially buffered on the V-shaped slope of the buffer seat 6, with its speed slowed down, and is split along the slope to the two sides of the discharge seat 11. In the discharge seat 11, the material is further slowed down by the blocking of the blocking plate 12 and the rolling friction buffering of the buffer roller 13, and is finally uniformly discharged onto the conveyor belt 14, avoiding impact and wear on the conveyor belt 14.
[0051] Material stirring and anti-blocking: The motor 7 drives the rotating roller 8 to rotate, and the stirring rod 9 on the rotating roller 8 stirs the material at the bottom of the material hopper 1, preventing the material from accumulating and blocking at the bottom of the material hopper 1, ensuring that the material can smoothly enter the discharge hole 3 and realize a continuous and stable discharge process.
[0052] Expansion of the scheme
[0053] Multi-bin linkage: In practical applications, multiple concrete material feeding and buffering hoppers can be used in parallel or series according to production scale and demand, achieving multi-point material discharge and centralized control, improving the flexibility and adaptability of the entire production system. The above expansions are all prior art.
[0054] Environmental protection and energy saving measures: Dust removal devices and noise reduction devices are added at the inlet and outlet of the device to reduce dust and noise pollution, improve the working environment, and meet environmental protection requirements. At the same time, the energy utilization efficiency of devices such as motor 7 and conveyor belt 14 is optimized, energy-saving motors and frequency conversion speed regulation technology are used to reduce the energy consumption of the device, and the production goal of energy saving and environmental protection is achieved. The above expansions are all prior art.
[0055] Beneficial effects
[0056] Effective protection of conveyor belt 14: Through the setting of buffer seat 6, discharge seat 11 and buffer structure, the material can be buffered multiple times to slow down the flow rate of the material, avoiding direct falling on the conveyor belt 14 to cause impact and wear, significantly improving the service life of the conveyor belt 14 and reducing the maintenance cost of the device.
[0057] Uniform material discharge: The material is evenly distributed through the multiple discharge holes 3 on the connecting cylinder 2 and further evenly distributed under the action of the buffer seat 6 and the discharge seat 11, ensuring that the material can be evenly discharged on the conveyor belt 14, improving the conveying efficiency and quality, and avoiding production problems caused by uneven material accumulation.
[0058] Prevent material from blocking: The motor 7 drives the stirring rod 9 on the rotating roller 8 to stir the material at the bottom of the material hopper 1, effectively preventing material from blocking and ensuring smooth discharge, achieving a continuous and stable production process.
[0059] High degree of automation: The equipped automatic control system realizes precise control and automatic management of the entire discharge process, improving the intelligent level and operation convenience of the device, reducing manual intervention, reducing labor intensity, and improving production efficiency.
[0060] Environmental protection and energy saving: The added dust removal devices and noise reduction devices effectively reduce dust and noise pollution, improve the working environment, and meet environmental protection requirements. The use of energy-saving motors and frequency conversion speed regulation technology reduces the energy consumption of the device, achieves the production goal of energy saving and environmental protection, and has good economic and social benefits.
[0061] In conclusion, the concrete material buffering hopper of the embodiment effectively solves the problem of abrasion caused by material impact on the conveying belt 14 in the prior art through reasonable design and innovative structure, has the advantages of protecting the conveying belt 14, uniform material discharge, preventing blockage, high automation, environmental protection and energy saving, and provides an efficient, stable and reliable material discharging equipment for concrete production, and has a wide application prospect and market value.
[0062] The electrical components appearing in the text are all electrically connected with the main controller and the power supply, the main controller can be a conventional known device such as a computer for control, and the existing disclosed power connection technology is not described herein.
[0063] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A concrete material fall buffer hopper comprising a material hopper, characterized in that, The bottom wall of the material hopper is embedded with a docking cylinder, a plurality of discharge holes are arranged on the docking cylinder, the lower end of the docking cylinder is seamlessly connected with a discharge cylinder, and the discharge cylinder is provided with discharge holes in communication with the discharge holes; The lower end of the material hopper is provided with a buffer seat located below the discharge cylinder, the upper surface of the buffer seat is downwardly inclined based on the center, the left and right sides of the buffer seat are connected with discharge seats which are downwardly inclined, the discharge seats are provided with a buffer structure for buffering the discharged materials, and the ends of the discharge seats are located above the surface of the conveying belt.
2. The concrete drop buffer hopper of claim 1, wherein: The buffer structure comprises a plurality of blocking plates and buffer rollers, the blocking plates are arranged on the front and rear side walls of the inner cavity of the discharge seat and are downwardly inclined along the bottom wall of the discharge seat, the blocking plates are alternately distributed on the front and rear side walls, and the buffer rollers are arranged between the front and rear side walls of the discharge seat and are located at the opening of the discharge seat.
3. The concrete drop buffer hopper of claim 1, wherein: The outer part of the discharge cylinder is communicated with an automatic on-off valve.
4. The concrete drop buffer hopper of claim 1, wherein: The upper surface of the docking cylinder is lower than the bottom wall of the inner cavity of the material hopper.
5. The concrete drop buffer hopper of claim 1, wherein: The discharge holes are annularly and equidistantly distributed.
6. The concrete drop buffer hopper of claim 1, wherein: The bottom wall of the buffer seat is provided with a motor, the output shaft of the motor is provided with a rotating roller which penetrates through the discharge cylinder and the docking cylinder and is located above the docking cylinder, the rotating roller is coaxially arranged with the docking cylinder, and the outer part of the rotating roller is provided with a plurality of poking rods.
7. The concrete drop buffer hopper of claim 1, wherein: The two side inclined surfaces of the buffer seat are provided with resistance increasing grooves.
8. The concrete drop buffer hopper of claim 2, wherein: The outer part of the buffer roller is provided with helical grooves which are helically distributed.