Gravel proportioning and feeding device

The sand and gravel mixing device, which controls the size of the discharge port by using a belt scale and an electric actuator, solves the problem of unstable concrete performance caused by manual experience, and achieves accurate sand and gravel mixing and efficient production.

CN224103208UActive Publication Date: 2026-04-10HUNAN CHIYANG NEW ENERGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUNAN CHIYANG NEW ENERGY CO LTD
Filing Date
2025-04-28
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing sand and gravel proportioning devices rely on manual experience, resulting in unstable concrete performance and inaccurate weighing, leading to low efficiency.

Method used

A belt scale is used to weigh the sand and stone, and an electric actuator controls the opening size of the discharge hopper to ensure that the sand and stone are discharged in proportion. Combined with baffles on the inner wall of the funnel, mixing and clogging are prevented.

Benefits of technology

It achieves accurate proportions of sand and stone, improves the stability of concrete performance and production efficiency, and prevents hopper clogging.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of gravel proportioning and feeding equipment, and discloses a gravel proportioning and feeding device which comprises a first base, a second base is welded to one side of the first base, a stirring barrel is arranged at the top of the second base, a double-bin funnel is arranged at the top of the first base, a first discharging hopper and a second discharging hopper are arranged at the top of the double-bin funnel, and a discharging hopper is arranged at the top of the second discharging hopper. A second conveying belt is arranged on the inner side wall of the first base, a fixing frame is arranged on the inner side wall of the first base, a first conveying belt is arranged on the inner side wall of the fixing frame, a transverse rod is arranged on one side of the first conveying belt and one side of the second conveying belt, a belt weigher is arranged on one side of the transverse rod, and a control box is arranged at the bottom of the first base. A funnel is arranged on one inner side wall of the base, a mounting frame is arranged at the top of the fixing frame, and a closing mechanism is arranged at the top of the mounting frame; the electric push rod pushes the cover plate to move to control the opening size of the first discharging hopper and the second discharging hopper, and the discharging speed of the double-bin hopper is adjusted.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sand and stone proportioning feeding equipment technical field, concretely to a sand and stone proportioning feeding device. BACKGROUND

[0002] With the continuous development of the times, the construction industry is constantly progressing, and concrete is an essential part of the construction industry. Concrete is an engineering composite material that is glued together by cementitious materials. Commonly known as concrete, it is a building material made by mixing cement with sand, stone and other materials in a certain proportion. The volume ratio of sand and stone directly affects the performance of concrete, so sand and stone proportioning is very important in the actual concrete mixing process.

[0003] For example, Chinese utility model patent CN222245411U proposes a sand and stone proportioning feeding equipment, which includes a first support, a second support, a third support, a sand bin arranged on the first support, and a stone bin arranged on the first support. A first feeding roller is rotatably arranged on the second support, and a first conveyor belt is arranged on the first feeding roller. A second feeding roller is rotatably arranged on the third support, and a second conveyor belt is arranged on the second feeding roller. A first discharge port is formed in the bottom of the stone bin, and a second discharge port is formed in the bottom of the sand bin. The utility model provides a sand and stone proportioning feeding equipment with the effect of ensuring the stability of the performance of concrete.

[0004] In the sand and stone mixing process, workers usually mix sand and stone according to their experience, which may result in unstable performance of the concrete. Utility model content

[0005] (I) Technical problem solved

[0006] To overcome the shortcomings of the prior art, the utility model provides a sand and stone proportioning feeding device, which has the advantages of weighing sand and stone by a belt scale, and solves the problems of inaccurate manual weighing and low efficiency.

[0007] (II) Technical scheme

[0008] In order to achieve the above object, the utility model provides the following technical scheme: a sand and gravel proportioning feeding device, including base one, the one side of base one is welded with base two, the top of base two is provided with stirring drum, the top of base one is provided with double bin hopper, the top of double bin hopper is provided with discharge hopper one and discharge hopper two, the inner side wall of base one is provided with conveyer belt two, the inner side wall of base one is provided with fixing frame, the inner side wall of fixing frame is provided with conveyer belt one, one side of conveyer belt one and conveyer belt two is provided with crosspiece, one side of crosspiece is provided with belt weigher, the bottom of base one is provided with control box, the inner side wall of base one is provided with hopper, the top of fixing frame is provided with mounting bracket, the top of mounting bracket is provided with closing mechanism.

[0009] In some embodiments, the closing mechanism is provided with an electric push rod, the bottom of the electric push rod is provided with a mounting bracket, one end of the electric push rod is provided with a fixed block, and the bottom of the fixed block is fixedly connected with a cover plate.

[0010] In some embodiments, the mounting bracket is provided with a mounting plate on one side, and a sliding groove is formed in the inner side wall of the mounting plate.

[0011] In some embodiments, the bottom of the sliding groove is inclined.

[0012] In some embodiments, a sliding rod is arranged on the inner wall of the sliding groove, and the sliding rod penetrates the cover plate.

[0013] In some embodiments, one end of the sliding rod is sleeved with a spring.

[0014] In some embodiments, an arc-shaped plate is fixedly connected to one side of the cover plate, and a shielding plate is arranged at the bottom of the discharge hopper one.

[0015] In some embodiments, a baffle is arranged on the inner side wall of the hopper, and the opening width of the bottom of the hopper is smaller than the width of the conveyer belt two.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the utility model provides a sand and gravel proportioning feeding device, which has the following beneficial effects:

[0018] 1. The device controls the opening size of the discharge hopper one and the discharge hopper two by moving the cover plate driven by the electric push rod, adjusts the discharge speed of the double bin hopper, and makes the sand and stone discharge according to a certain proportion to complete the sand and stone proportioning.

[0019] 2. The baffle arranged on the inner wall of the hopper prevents the stone and sand from mixing in the hopper, causing the hopper to be blocked and affecting the accuracy of the proportioning. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1The utility model discloses a structure schematic diagram of the utility model;

[0021] Figure 2 The utility model discloses a structure schematic diagram of the utility model's closing mechanism structure;

[0022] Figure 3 The utility model discloses a structure schematic diagram of the utility model's electric push rod and cover plate structure;

[0023] Figure 4 The utility model discloses a structure schematic diagram of the utility model's hopper and baffle structure;

[0024] Figure 5 The utility model discloses a structure schematic diagram of the utility model's chute structure.

[0025] In the drawing: 100, base one;110, base two;120, stirring cylinder;130, double-bin hopper;140, discharge hopper one;150, discharge hopper two;200, fixed frame;210, conveyer belt one;220, conveyer belt two;230, hopper;300, belt scale;310, control box;320, cross bar;400, closing mechanism;410, cover plate;420, electric push rod;430, fixed block;440, mounting frame;450, mounting plate;500, chute;510, slide bar;600, spring;700, shutter;710, arc plate;800, baffle. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] It should be noted that all directional indications in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0028] In the present application, unless otherwise explicitly specified and limited, the terms "connection", "fixing" and the like should be understood broadly, for example, "fixing" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through intermediate medium, can be internal communication of two elements or interaction relationship of two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] In addition, the description such as "first", "second" and the like in the present application is only for the purpose of description and cannot be understood as indicating or implying the relative importance of the technical features indicated or implying the number of technical features indicated. Therefore, the features defined as "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor in the protection scope claimed by the present application.

[0030] The present application will be described below in conjunction with the drawings and specific embodiments:

[0031] In conjunction with Figures 1-5 The sand proportioning and feeding device provided by the embodiments of the present application comprises a base 100, a base 110 is welded on one side of the base 100, a stirring drum 120 is arranged on the top of the base 100, a double-bin hopper 130 is arranged on the top of the base 100, a discharge hopper 140 and a discharge hopper 150 are arranged on the top of the double-bin hopper 130, a conveyor belt 220 is arranged on the inner wall of the base 100, a fixing frame 200 is arranged on the inner wall of the base 100, a conveyor belt 210 is arranged on the inner wall of the fixing frame 200, a cross rod 320 is arranged on one side of the conveyor belt 210 and the conveyor belt 220, a belt scale 300 is arranged on one side of the cross rod 320, a control box 310 is arranged on the bottom of the base 100, a hopper 230 is arranged on the inner wall of the base 100, a mounting frame 440 is arranged on the top of the fixing frame 200, and a closing mechanism 400 is arranged on the top of the mounting frame 440.

[0032] When sand and stone need to be proportioned, the sand and the stone are poured into different bins on the top of the double-bin hopper 130 through the excavator, then the closing mechanism 400 is opened, at this time the sand and the stone fall on the top of the conveyor belt 210 and the conveyor belt 220 respectively, then the closing mechanism 400 is closed at the same time, after the sand and the stone fall on the top of the conveyor belt 210 and the conveyor belt 220 respectively, they are extruded downward due to their own gravity, at this time the belt scale 300 arranged in the conveyor belt 210 and the conveyor belt 220 is used for weighing, then the above steps are repeated multiple times to proportion the sand and the stone, the size of the discharge port of the discharge hopper 150 and the discharge hopper 140 is adjusted through the closing mechanism 400, the flow of the sand and the stone through the discharge port is controlled, so that the sand passing through the discharge hopper 150 and the stone passing through the discharge hopper 140 present the required proportioning ratio within a period of time, then the closing mechanism 400 is fixed, the servo motor on one side of the conveyor belt 210 and the conveyor belt 220 is opened, then the sand and the stone are poured into the top of the double-bin hopper 130, then the sand and the stone are conveyed to the stirring drum 120 through the transmission of the conveyor belt 210 and the conveyor belt 220 for stirring.

[0033] In some embodiments, the closing mechanism 400 is provided with an electric push rod 420, the bottom of the electric push rod 420 is provided with a mounting frame 440, one end of the electric push rod 420 is provided with a fixed block 430, and the bottom of the fixed block 430 is fixedly connected with the cover plate 410.

[0034] In the sand and stone proportioning process, the closing mechanism 400 is provided with an electric push rod 420, the extension and retraction of the electric push rod 420 is controlled to control the movement of the fixed block 430 provided on one side of the electric push rod 420, the movement of the fixed block 430 controls the movement of the cover plate 410 fixedly connected at the bottom to adjust the size of the discharge port of the discharge hopper two 150 and the discharge hopper one 140, and the discharge speed is controlled.

[0035] In some embodiments, the mounting plate 450 is provided on one side of the mounting frame 440, and the sliding groove 500 is formed in the inner side wall of the mounting plate 450.

[0036] When adjusting the size of the discharge port, the electric push rod 420 drives the cover plate 410 to move horizontally, the mounting plate 450 is provided on one side of the closing mechanism 400, and the cover plate 410 is embedded in the sliding groove 500 formed in the inner side of the mounting plate 450, which facilitates the movement of the cover plate 410 and limits the cover plate 410 from being deviated downward or left and right due to the gravity of sand and stone.

[0037] In some embodiments, the bottom of the sliding groove 500 is inclined.

[0038] When adjusting the size of the discharge port, the inner wall of the sliding groove 500 is inclined at the bottom, which prevents sand, stone and other materials from falling into the sliding groove 500 and affecting the sliding of the cover plate 410.

[0039] In some embodiments, the sliding rod 510 is arranged on the inner wall of the sliding groove 500, and the sliding rod 510 penetrates the cover plate 410.

[0040] When adjusting the size of the discharge port, the sliding rod 510 is arranged on the inner wall of the sliding groove 500, and the sliding rod 510 penetrates the cover plate 410, which facilitates the sliding of the cover plate 410 driven by the electric push rod 420.

[0041] In some embodiments, the spring 600 is sleeved on one end of the sliding rod 510.

[0042] When adjusting the size of the discharge port, the electric push rod 420 drives the cover plate 410 to slide on the top of the sliding rod 510 arranged on the inner wall of the sliding groove 500, and the spring 600 is sleeved on one end of the sliding rod 510 to buffer the sliding process of the cover plate 410 and prevent the cover plate 410 from impacting the inner wall of the sliding groove 500.

[0043] In some embodiments, the arc-shaped plate 710 is fixedly connected on one side of the cover plate 410, and the shielding plate 700 is arranged at the bottom of the discharge hopper one 140.

[0044] When the size of the discharge port is adjusted, the arc-shaped plate 710 fixedly connected on one side of the cover plate 410 is contacted with the shutter 700 to completely close the discharge port by moving the cover plate 410, and the arc-shaped plate 710 is arc-shaped to prevent stone from being stuck between the arc-shaped plate 710 and the shutter 700, so that the discharge port cannot be closed.

[0045] In some embodiments, the inner wall of the hopper 230 is provided with a baffle 800, and the opening width at the bottom of the hopper 230 is smaller than the width of the second conveying belt 220.

[0046] In the sand and stone mixing process, the inner wall of the hopper 230 is provided with a baffle 800 to prevent sand and stone from mixing in the inner wall of the hopper 230, thereby reducing the probability of the hopper 230 being blocked, and the opening at the bottom of the hopper 230 is smaller than the second conveying belt 220 to prevent sand and stone from falling out of the second conveying belt 220.

[0047] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example" or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present specification.

[0048] In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist, also not within the scope of protection required by the present application.

[0049] Although the embodiments of the present application 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 present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A sand and stone proportioning and feeding device, characterized in that, Including base one (100), one side of base one (100) is welded with base two (110), the top of base two (110) is provided with stirring drum (120), the top of base one (100) is provided with double-bin hopper (130), the top of double-bin hopper (130) is provided with discharge hopper one (140) and discharge hopper two (150), the inner side wall of base one (100) is provided with conveying belt two (220), the inner side wall of base one (100) is provided with fixing frame (200), the inner side wall of fixing frame (200) is provided with conveying belt one (210), one side of conveying belt one (210) and conveying belt two (220) is provided with cross bar (320), one side of cross bar (320) is provided with belt scale (300), the bottom of base one (100) is provided with control box (310), the inner side wall of base one (100) is provided with hopper (230), the top of fixing frame (200) is provided with mounting bracket (440), the top of mounting bracket (440) is provided with closing mechanism (400).

2. The sand proportioning and feeding device according to claim 1, characterized in that: The closing mechanism (400) is provided with electric push rod (420), the bottom of electric push rod (420) is provided with mounting bracket (440), one end of electric push rod (420) is provided with fixed block (430), the bottom of fixed block (430) is fixedly connected with cover plate (410).

3. The sand proportioning and feeding device according to claim 2, characterized in that: One side of mounting bracket (440) is provided with mounting plate (450), the inner side wall of mounting plate (450) is provided with sliding groove (500).

4. The sand proportioning and feeding device according to claim 3, characterized in that: The bottom of sliding groove (500) is inclined.

5. The sand proportioning and feeding device according to claim 3, characterized in that: The inner wall of sliding groove (500) is provided with sliding rod (510), and the sliding rod (510) penetrates the cover plate (410).

6. The sand proportioning and feeding device according to claim 5, characterized in that: One end of sliding rod (510) is sleeved with spring (600).

7. The sand proportioning and feeding device according to claim 2, characterized in that: One side of cover plate (410) is fixedly connected with arc-shaped plate (710), and the bottom of discharge hopper one (140) is provided with shutter (700).

8. The sand proportioning and feeding device according to claim 1, characterized in that: The inner side wall of hopper (230) is provided with baffle (800), and the opening width of the bottom of hopper (230) is less than the width of conveying belt two (220).

Citation Information

Patent Citations

  • Gravel proportioning and feeding equipment

    CN222245411U