Blanking buffer device of belt conveyor

By designing a material drop buffer device for the belt conveyor that combines a buffer plate, springs, and electric push rods, the intermittent falling and diversion of materials is achieved, solving the problem of the compression limit of the spring assembly and improving the service life and stability of the equipment.

CN223905955UActive Publication Date: 2026-02-13YANKUANG ENERGY GRP CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520684108.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-02-13
Estimated Expiration
2035-04-11

AI Technical Summary

Technical Problem

In existing belt conveyors, when materials fall continuously, the spring assembly easily reaches its compression limit, failing to effectively buffer the impact force of subsequent materials. This causes the materials to directly impact the conveyor belt, affecting the equipment's lifespan and stability.

Method used

A material feeding buffer device for a belt conveyor, including a feeding buffer assembly and an intermittent feeding assembly, was designed. Through the cooperation of a buffer plate, spring, electric push rod and diverting block, the material is intermittently falling and diverted. The spring stores elastic potential energy to absorb the impact force, and the diverting block evenly disperses the material.

Benefits of technology

It effectively reduces the impact damage of materials on the conveyor belt, extends the service life of the equipment, improves operational stability, and avoids localized impact concentration.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223905955U_ABST
    Figure CN223905955U_ABST
Patent Text Reader

Abstract

The utility model provides a belt conveyor blanking buffering device which comprises a conveying belt, a material guiding frame is hinged to the upper portion of one side of the conveying belt, a blanking buffering assembly is arranged above the material guiding frame, and the blanking buffering assembly comprises a fixing frame fixedly connected to the upper surface of the material guiding frame. The bottom face of the fixing frame is rotationally connected with a plurality of sets of symmetrically-arranged rotating shafts, and the bottom end of each rotating shaft is rotationally connected with the upper surface of the material guiding frame. Through cooperation of the discharging buffering assembly and the intermittent discharging assembly, the intermittent discharging assembly can control materials to discontinuously fall in batches in the material guide frame, the situation that the materials are continuously stacked to impact a conveying belt is avoided, the discharging buffering assembly buffers the discontinuously-falling materials, and after the impact force of the discontinuously-falling materials is buffered, the conveying belt is prevented from being damaged. And the buffer plate can automatically reset to prepare for buffering of subsequent materials, so that impact damage to the conveying belt during falling of the materials is further reduced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a conveyor technical field especially relates to a rubber belt conveyor blanking buffer device. BACKGROUND

[0002] In modern industrial production, the rubber belt conveyor is widely used in various fields as a kind of efficient and continuous material conveying equipment, but there are many problems in the blanking link during the conveying of materials, especially the impact force generated by the material falling from a high place on the conveying belt, which seriously affects the service life and running stability of the rubber belt conveyor.

[0003] The application number 202222803147.7 discloses a rubber belt conveyor blanking buffer device applied in the rubber belt conveyor technical field, by setting the body, the mounting plate, the fixing mechanism, the buffer mechanism and the supporting mechanism, the mounting plate can fix the body during use, then the fixing mechanism can fix the buffer mechanism, when the material is added to the buffer mechanism, the buffer mechanism can buffer the material, avoid the material directly falling on the body, causing damage to the body, and the buffer mechanism can buffer the material of any size, then the supporting mechanism can support the rubber belt on the body, further avoid the material falling on the body, causing damage to the body, avoiding the problem that the traditional buffer device needs to replace the number of buffer belts according to the size of the material, the operation is relatively cumbersome, and the conveying efficiency is affected.

[0004] The above scheme has the following deficiencies when in use: when the material continuously falls into the buffer box, the gravity and impact force of the material will quickly act on the spring assembly at the bottom of the buffer box, when the spring is compressed to approach or reach its maximum compression limit, it will enter a critical state, and since the spring is always maintained in this highly compressed state, its deformable space is greatly limited, and for the subsequent continuous impact of the material, the spring has no ability to effectively buffer, the impact of the newly falling material cannot be effectively eliminated by the spring, and the material will directly fall onto the conveying belt along the rotation of the rotating piece, causing damage to the conveying belt, therefore, we provide a rubber belt conveyor blanking buffer device. UTILITY MODEL CONTENTS

[0005] The utility model provides a rubber belt conveyor blanking buffer device to solve the technical problems in the above background.

[0006] The utility model discloses a kind of purposes and functions of adhesive tape conveyor blanking buffer device, achieve by following specific technical means: a kind of adhesive tape conveyor blanking buffer device, including conveyor belt, the side upper side of the conveyor belt is hinged with guide frame, the upper side of the guide frame is provided with blanking buffer subassembly, the blanking buffer subassembly includes the fixed frame that is fixedly connected to the upper surface of guide frame, the bottom surface of the fixed frame is rotatably connected with multiple groups of the rotation axis of symmetrical arrangement, the bottom end of each rotation axis is rotatably connected with the upper surface of guide frame, the outer surface of each rotation axis is fixedly connected with buffer plate, the upper side of the guide frame is provided with intermittent blanking subassembly.

[0007] Preferably, each group of buffer plates is fixedly connected with a group of springs on one side close to each other, and each group of springs is symmetrically arranged.

[0008] Preferably, the upper surface of the fixed frame is provided with a plurality of symmetrically arranged guide grooves, the inner wall of each guide groove is slidably connected with a guide rod, and the bottom end of each guide rod is connected with the upper surface of the buffer plate.

[0009] Preferably, the intermittent blanking subassembly includes a sealing frame fixedly connected to the upper surface of the guide frame, a group of electric push rods are installed on the upper surface of the sealing frame, and the extension ends of the group of electric push rods are jointly installed with an L-shaped baffle slidably connected to the sealing frame.

[0010] Preferably, the inner wall of the sealing frame is fixedly connected with a material scraping plate, and the material scraping plate is located in front of the L-shaped baffle.

[0011] Preferably, the upper surface of the guide frame is fixedly connected with a group of equally spaced flow dividing blocks, and the rear end of each flow dividing block is V-shaped.

[0012] Preferably, the front end of the guide frame is hinged with a flow guide plate, and the other end of the flow guide plate is located above the conveyor belt.

[0013] Preferably, the back surface of the conveyor belt is installed with a support plate, the upper surface of the support plate is hinged with a group of hydraulic push rods, and the extension end of each hydraulic push rod is hingedly connected with the bottom surface of the guide frame.

[0014] Beneficial effects:

[0015] 1. By cooperating the blanking buffer subassembly and the intermittent blanking subassembly, the intermittent blanking subassembly can control the intermittent and batch falling of the material in the guide frame, avoid the continuous accumulation of the material impacting the conveyor belt, the blanking buffer subassembly will buffer the intermittently falling material, and after the impact force of the intermittently falling material is buffered, the buffer plate will automatically reset to prepare for the buffering of subsequent material, further reducing the impact damage of the falling material to the conveyor belt.

[0016] 2、Through the shunt block arranged, the material falling downwards can be buffered and shunted, the material can be shunted, the material is evenly scattered to the conveying belt below, the material is effectively avoided to be accumulated in a certain area of the conveying belt, the local impact force of the material on the conveying belt is greatly reduced, through the cooperation of the supporting plate and the hydraulic push rod, the inclination angle of the material guide frame can be adjusted, so that the material can freely slide in the material guide frame. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole three-dimensional structure schematic view of the utility model.

[0018] Figure 2 It is the three-dimensional structure schematic view of the utility model material guide frame side view.

[0019] Figure 3 It is the three-dimensional structure schematic view of the utility model fixed frame bottom view.

[0020] Figure 4 It is the three-dimensional structure schematic view of the utility model buffer plate.

[0021] Figure 5 It is the three-dimensional structure schematic view of the utility model sealing frame side sectional view.

[0022] Figures 1-5 In the embodiment, the correspondence between the component name and the drawing number is as follows:

[0023] 1, conveying belt;2, material guide frame;3, blanking buffer assembly;301, fixed frame;302, shaft;303, buffer plate;304, spring;305, guide groove;306, guide rod;4, intermittent blanking assembly;401, sealing frame;402, electric push rod;403, L-shaped baffle;404, scraping plate;5, shunt block;6, flow guide plate;7, supporting plate;8, hydraulic push rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described 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, not 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.

[0025] As shown in the accompanying Figure 1 and the accompanying Figure 2As shown: a tape conveyor material falling buffer device, including a conveyor belt 1, the conveyor belt 1 on one side of the upper articulated material guide frame 2, the back of the conveyor belt 1 is installed with a support plate 7, the upper surface of the support plate 7 is articulated with a group of hydraulic push rods 8, the extension end of each hydraulic push rod 8 is articulated with the bottom surface of the material guide frame 2, the extension of the hydraulic push rod 8 can push the material guide frame 2 to deflect, so as to change the inclination angle of the material guide frame 2, which can ensure the free sliding of the material in the material guide frame 2.

[0026] As shown in the accompanying Figure 1 , accompanying Figure 2 , accompanying Figure 3 and accompanying Figure 4 As shown: the upper of the material guide frame 2 is provided with a material falling buffer assembly 3, the material falling buffer assembly 3 includes a fixed frame 301 fixedly connected to the upper surface of the material guide frame 2, the bottom surface of the fixed frame 301 is rotatably connected with a plurality of groups of symmetrically arranged shafts 302, the bottom end of each shaft 302 is rotatably connected with the upper surface of the material guide frame 2, the outer surface of each shaft 302 is fixedly connected with a buffer plate 303, the side surface of the buffer plate 303 close to each other is fixedly connected with a group of springs 304, each group of springs 304 is symmetrically arranged, when the material impacts the buffer plate 303 with a certain speed and impact force, the buffer plate 303 will gradually deflect outward and expand with the shaft 302 as the center, with the expansion of the buffer plate 303, the spring 304 will be compressed, the spring 304 will continuously store elastic potential energy, effectively converting the kinetic energy carried by the material falling into its own elastic potential energy, thereby absorbing most of the impact force of the material falling, at the same time, the material will slide down from the gap between the buffer plate 303, the upper surface of the fixed frame 301 is provided with a plurality of groups of symmetrically arranged guide grooves 305, the inner wall of each guide groove 305 is slidably connected with a guide rod 306, the bottom end of each guide rod 306 is connected with the upper surface of the buffer plate 303, by the cooperation of the guide groove 305 and the guide rod 306, the deflection of the buffer plate 303 can be stabilized to prevent it from being offset, shaking or twisting and other unstable conditions.

[0027] As shown in the accompanying Figure 1 , accompanying Figure 2 and accompanying Figure 5As shown: the upper part of the guide frame 2 is provided with intermittent material feeding assembly 4, intermittent material feeding assembly 4 includes fixedly connected to the upper surface of the sealing frame 401, the upper surface of the sealing frame 401 is installed with a group of electric push rod 402, the telescopic end of a group of electric push rod 402 is jointly installed with L-shaped baffle 403 slidingly connected to the sealing frame 401, control electric push rod 402 intermittent work, electric push rod 402 will be stretched upwards, in turn push L-shaped baffle 403 slowly rises, in this process, L-shaped baffle 403 and guide frame 2 between the originally close to form a closed space is gradually opened, the guide frame 2 on the accumulation of part of the material, under the action of gravity and the continuous extrusion of the material behind, in line with the situation begins to slide down along the inclined surface of the guide frame 2 between the buffer plate 303, once to the pre-set electric push rod 402 stretch time, electric push rod 402 will shrink driven L-shaped baffle 403 quickly drop, until L-shaped baffle 403 again with guide frame 2 close to achieve the complete sealing of the guide frame 2, in this short material falling window period, the part of the material sliding down to the corresponding buffer plate 303 between each group, so that the material intermittent falling to the buffer plate 303 for buffering, further improve its effect on the material falling when the buffer, the inner wall of the sealing frame 401 is fixedly connected with the scraper plate 404, the scraper plate 404 is located in front of the L-shaped baffle 403, when the material falls through the scraper plate 404, the scraper plate 404 will be scraped flat, can let the material more dispersed, uniform flat way continue to fall down.

[0028] As shown in the accompanying drawings Figure 1 As shown in the accompanying drawings Figure 2 As shown: the upper surface of the guide frame 2 is fixedly connected with a group of equidistantly arranged flow dividing blocks 5, the rear end of each flow dividing block 5 is V-shaped, which can buffer the material falling behind to divide the flow, so that the material is evenly scattered on the conveyor belt 1 below, effectively avoiding the material concentrated in a certain area of the conveyor belt 1, greatly reducing the local impact force of the material on the conveyor belt 1, the front end of the guide frame 2 is hingedly connected with a guide plate 6, the other end of the guide plate 6 is located above the conveyor belt 1, which can further guide the material after dividing, thereby reducing the height difference between the guide plate 6 and the conveyor belt 1, effectively reducing the impact force of the material on the conveyor belt 1.

[0029] Working principle: first, the material is orderly transported to the guide frame 2, the material will slide down along the inclined angle of the guide frame 2, then control the intermittent work of the electric push rod 402, the electric push rod 402 will first stretch and push the L-shaped baffle 403 to slowly rise, in this process, part of the material accumulated on the guide frame 2, under the action of gravity and continuous extrusion of the rear material, will naturally begin to slide down along the inclined surface of the guide frame 2, once the preset extension time of the electric push rod 402 is reached, the electric push rod 402 will retract and drive the L-shaped baffle 403 to quickly descend, realizing the complete sealing of the guide frame 2.

[0030] The part of the material sliding down will flow between each set of corresponding buffer plates 303, when the material impacts the buffer plate 303 at a certain speed and impact force, the impact force on the buffer plate 303 will make it gradually deflect outward and unfold around the pivot 302, and the material will fall through the gap unfolded by the buffer plate 303, at the same time, the spring 304 between the corresponding buffer plates 303 will be compressed, during the compression process, the spring 304 continuously stores elastic potential energy, effectively converting the kinetic energy carried by the material falling into its own elastic potential energy, thereby absorbing most of the impact force of the material falling, the speed and impact force of the material have been greatly reduced, then the material will impact the flow divider 5 below, which can further distribute the material passing through the buffer plate 303, making the material evenly scatter onto the conveyor belt 1 below, effectively avoiding the material from concentrating and accumulating in a certain area of the conveyor belt 1, greatly reducing the local impact force of the material on the conveyor belt 1.

[0031] When the material passes between the buffer plates 303, the spring 304 will quickly stretch back to its initial state due to the elastic potential energy stored in it, in the process of stretching, the spring 304 will push the buffer plate 303, and the buffer plate 303 will close again, which can continue to efficiently buffer the subsequent continuously falling material, greatly reducing the impact damage to the conveyor belt 1 when the material falls, significantly prolonging the service life of the conveyor belt 1.

Claims

1. A rubber belt conveyor fall buffer device comprising a conveyor belt (1), characterized in that: The side of the conveying belt (1) is hinged with a material guide frame (2), the upper side of the material guide frame (2) is provided with a material discharging buffer assembly (3), the material discharging buffer assembly (3) comprises a fixed frame (301) fixedly connected to the upper surface of the material guide frame (2), the bottom surface of the fixed frame (301) is rotatably connected with a plurality of groups of symmetrically arranged rotating shafts (302), the bottom end of each rotating shaft (302) is rotatably connected with the upper surface of the material guide frame (2), and the outer surface of each rotating shaft (302) is fixedly connected with a buffer plate (303), and the upper side of the material guide frame (2) is provided with an intermittent material discharging assembly (4).

2. The belt conveyor drop cushion of claim 1, wherein: Each group of buffer plates (303) is fixedly connected with a group of springs (304) on the side face close to each other, and each group of springs (304) is symmetrically arranged.

3. The belt conveyor drop cushion of claim 1, wherein: The upper surface of the fixed frame (301) is provided with a plurality of groups of symmetrically arranged guide grooves (305), the inner wall of each guide groove (305) is slidably connected with a guide rod (306), and the bottom end of each guide rod (306) is connected with the upper surface of the buffer plate (303).

4. The belt conveyor drop cushion of claim 1, wherein: The intermittent material discharging assembly (4) comprises a sealing frame (401) fixedly connected to the upper surface of the material guide frame (2), the upper surface of the sealing frame (401) is provided with a group of electric push rods (402), and the telescopic ends of a group of electric push rods (402) are jointly provided with an L-shaped baffle (403) slidably connected to the sealing frame (401).

5. The belt conveyor drop cushion of claim 4, wherein: The inner wall of the sealing frame (401) is fixedly connected with a material scraping plate (404), and the material scraping plate (404) is located in front of the L-shaped baffle (403).

6. The belt conveyor drop cushion of claim 1, wherein: The upper surface of the material guide frame (2) is fixedly connected with a group of equally spaced flow dividing blocks (5), and the rear end of each flow dividing block (5) is V-shaped.

7. The belt conveyor drop cushion of claim 1, wherein: The front end of the material guide frame (2) is hinged with a flow guide plate (6), and the other end of the flow guide plate (6) is located above the conveying belt (1).

8. The belt conveyor drop cushion of claim 1, wherein: The back surface of the conveying belt (1) is provided with a supporting plate (7), the upper surface of the supporting plate (7) is hinged with a group of hydraulic push rods (8), and the telescopic end of each hydraulic push rod (8) is hinged with the bottom surface of the material guide frame (2).

Citation Information

Patent Citations

  • Blanking buffer device of belt conveyor

    CN218753251U