A kind of film-coated sand production hopper

By designing a hopper for coated sand production with a crushing drum and vibrating screen structure, the problem of traditional hoppers being unable to handle agglomerated quartz sand and large-diameter coarse sand was solved, achieving efficient screening and processing and improving production efficiency.

CN223603382UActive Publication Date: 2025-11-28QINGDAO RONGXINTAI IND & TRADE CO LTD
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Patent Information

Application Number
CN202423149122.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-11-28
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

Traditional hoppers cannot effectively handle agglomerated quartz sand and screen out large-diameter coarse sand, resulting in additional processing steps required during the production of coated sand, which affects production efficiency.

Method used

A hopper for producing coated sand was designed, comprising a crushing cylinder and a screen plate. The crushing and screening of agglomerated quartz sand is achieved through the rotation and vibration of the crushing cylinder and the screening structure. Unqualified sand particles are centrally processed.

Benefits of technology

It improves the screening efficiency and equipment utilization efficiency of coated sand production, simplifies the subsequent processing procedures, and facilitates the removal of unqualified sand particles.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of coated sand production technology, specifically disclose a kind of hopper for coated sand production, including by four metal sheet screw connection fixed hopper main body, the bottom of hopper main body is provided with discharge gate, the inside rotation of hopper main body is connected with broken cylinder, the outside annular of broken cylinder is equidistantly distributed with several convex two, the inner wall of hopper main body and convex two corresponding position equidistantly distributed with several convex one, the outside surface of broken cylinder upside is vertically fixed with pressing plate, the discharge gate is provided with sieve plate, the inside of broken cylinder is hollow structure design, and the front end of hopper main body and broken cylinder front end middle part corresponding position is fixed with motor. The present application not only can carry out crushing screening treatment to the agglomerated quartz sand, and in screening process, it can be accelerated screening efficiency by vibrating screening mode and to screening unqualified sand grain centralized processing, convenient for user subsequent removal, improve the use efficiency of device.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of coated sand production, especially relates to a hopper for coated sand production. BACKGROUND

[0002] Coated sand is coated with a layer of polymer film on the surface of conventional aggregate such as quartz sand or ceramic, and the existing coated sand has been applied in oil field fracturing.

[0003] When producing coated sand, the quartz sand is affected by the humid environment and the gravity extrusion during storage, and is mostly in block or lump shape during processing, so the quartz sand needs to be crushed for subsequent sand mixing operation, and the coarse sand with large particle size needs to be screened out, the traditional hopper does not have the function of processing the above problems, and thus cannot meet the use requirement of the user, and the user often needs additional processing process to process the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a hopper for coated sand production, which can not only crush and screen the agglomerated quartz sand, but also accelerate the screening efficiency by vibrating screening during the screening process, and centrally process the unqualified sand particles, so as to improve the use efficiency of the device and solve the problems in the above background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a hopper for coated sand production, which comprises a hopper body fixed by screw connection of four metal plates, a discharge port is formed in the bottom of the hopper body, a crushing cylinder is rotatably connected in the interior of the hopper body, a plurality of convexities two are distributed at equal distances outside the crushing cylinder, a plurality of convexities one are distributed at equal distances in the corresponding position of the inner wall of the hopper body and the convexity two, a pressing plate is vertically fixed on the outer surface of the crushing cylinder, and a screen plate is arranged in the discharge port.

[0006] Preferably, the interior of the crushing cylinder is designed as a hollow structure, a motor is fixed at the corresponding position of the front end face of the hopper body and the middle part of the front end of the crushing cylinder, and the output shaft of the motor is in transmission connection with the crushing cylinder.

[0007] Preferably, shaft rods are arranged at the two ends of the crushing cylinder, one of the shaft rods is fixed with the output shaft of the motor through a connecting flange, and the other end of the shaft rod is rotatably connected with the inner wall of the hopper body.

[0008] Preferably, elastic sheets made of metal are arranged at the two sides of the screen plate, and the two ends of the elastic sheets are respectively fixed with the screen plate and the inner wall of the discharge port of the hopper body.

[0009] Preferably, the front end surface of the hopper body is provided with an opening, and a sealing plate is fixed in the opening by magnetic attraction, and the inclined angle of the sieve plate is designed, wherein the low point of the inclined sieve plate is located at the opening.

[0010] Preferably, the upper end surface of the sieve plate is fixed with a vibrating block in the middle, and the top of the vibrating block is designed as a hemisphere corresponding to the two protrusions.

[0011] Compared with the prior art, the application has the beneficial effects that: the application can not only crush and screen the caked quartz sand, but also can accelerate the screening efficiency by vibrating screening during the screening process, and can concentrate the unqualified sand particles for subsequent removal by the user, thereby improving the use efficiency of the device. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure view of the application;

[0013] Figure 2 It is a whole structure bottom view of the application;

[0014] Figure 3 It is a whole structure cross-sectional view of the application;

[0015] Figure 4 It is a whole structure of the application Figure 3 It is an enlarged view of A in the middle.

[0016] Legend:

[0017] 1, hopper body; 2, protrusion one; 3, crushing cylinder; 4, pressing plate; 5, protrusion two; 6, discharge port; 7, sieve plate; 8, motor; 9, sealing plate; 10, elastic sheet; 11, vibrating block. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.

[0019] Please refer to Figures 1-4 The application provides a technical solution:

[0020] The utility model provides a kind of film-coated sand production hopper, including by four metal sheet screw connection fixed hopper main body 1, the bottom of the hopper main body 1 is equipped with discharge gate 6, the inside rotationally connected of the hopper main body 1 is broken cylinder 3, the outside annular of the broken cylinder 3 is distributed with several convex two 5 at equal distance, the inner wall of the hopper main body 1 is distributed with several convex one 2 at equal distance in correspondence position of convex two 5, the outside surface of the broken cylinder 3 upside is vertically fixed with pressing plate 4, the discharge gate 6 is provided with sieve plate 7.

[0021] Specifically, the inside of the broken cylinder 3 is designed as a hollow structure, and a motor 8 is fixed at the corresponding position of the front end of the hopper main body 1 and the front end middle part of the broken cylinder 3, and the output shaft of the motor 8 is drivingly connected with the broken cylinder 3.

[0022] Specifically, the broken cylinder 3 is provided with shaft rods at both ends, one of which is fixed with the output shaft of the motor 8 through a connecting flange, and the other end is rotationally connected with the inner wall of the hopper main body 1.

[0023] Specifically, the sieve plate 7 is provided with elastic sheets 10 made of metal at both sides, and the both ends of the elastic sheets 10 are respectively fixed with the sieve plate 7 and the inner wall of the discharge gate 6 of the hopper main body 1.

[0024] Specifically, the front end face of the hopper main body 1 is provided with an opening, and a sealing plate 9 is magnetically fixed in the opening, and the sieve plate 7 is designed at an inclination angle, wherein the low point of the inclination of the sieve plate 7 is located at the opening.

[0025] Specifically, the upper end face of the sieve plate 7 is fixed with a vibrating block 11 at the middle part, and the top of the vibrating block 11 is designed as a hemisphere and corresponds to the convex two 5.

[0026] Working principle:

[0027] When working, the device is installed on a designated equipment, and a controller connected with the motor 8 controls the motor 8 to rotate clockwise and counterclockwise at an interval of 45 degrees, the user sends quartz sand into the hopper main body 1 through the opening at the upper side of the hopper main body 1, then when the motor 8 drives the broken cylinder 3 to rotate, the convex two 5 outside the broken cylinder 3 cooperates with the convex one 2 designed on the inner wall of the hopper main body 1 to crush the blocky quartz sand entering the hopper main body 1, then the granular quartz sand slides down to the sieve plate 7 through the gap between the broken cylinder 3 and the inner wall of the hopper main body 1, and when the convex two 5 intermittently extrudes and touches the lower vibrating block 11 during the rotation of the broken cylinder 3, the sieve plate 7 is displaced in the discharge gate 6, the sieve plate 7 vibrates through the deformation of the elastic sheet 10, which can avoid the quartz sand from blocking the sieve plate 7, accelerate the screening speed of the quartz sand, and on the other hand, the unqualified quartz sand will roll to the low point of the sieve plate 7, that is, the sealing plate 9, under the action of the inclination angle of the sieve plate 7, then the user can take out the unqualified quartz sand after the use of the device is completed by opening the magnetically sealed sealing plate 9.

[0028] The above merely describes a preferred embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent substitutions or changes within the technical range disclosed by the present application, which should be covered within the scope of protection of the present application.

Claims

1. A coated sand production hopper comprising a hopper body (1) fixed by screwing four metal plates, characterized in that, The bottom of the hopper body (1) is provided with a discharge port (6), the inside of the hopper body (1) is rotatably connected with a crushing cylinder (3), the outside of the crushing cylinder (3) is provided with a plurality of convex parts (5) at equal intervals, the inner wall of the hopper body (1) is provided with a plurality of convex parts (2) at equal intervals at the corresponding positions of the convex parts (5), the upper side of the outer surface of the crushing cylinder (3) is perpendicularly fixed with a pressing plate (4), and the discharge port (6) is provided with a sieve plate (7).

2. The film-coated sand production hopper according to claim 1, characterized in that, The inside of the crushing cylinder (3) is designed as a hollow structure, the front end face of the hopper body (1) is fixed with a motor (8) at the corresponding position of the middle part of the front end of the crushing cylinder (3), and the output shaft of the motor (8) is drivingly connected with the crushing cylinder (3).

3. The film-coated sand production hopper according to claim 2, characterized in that, The both ends of the crushing cylinder (3) are provided with shaft rods, one of the shaft rods is fixed with the output shaft of the motor (8) through a connecting flange, and the other end of the shaft rod is rotatably connected with the inner wall of the hopper body (1).

4. The film-coated sand production hopper according to claim 3, characterized in that, The both sides of the sieve plate (7) are provided with elastic sheets (10) made of metal, and the both ends of the elastic sheets (10) are respectively fixed with the sieve plate (7) and the inner wall of the discharge port (6) of the hopper body (1).

5. The film-coated sand production hopper according to claim 4, characterized in that The front end face of the hopper body (1) is provided with an opening, the opening is fixed with a sealing plate (9) through magnetic attraction, and the sieve plate (7) is designed as an inclined angle, wherein the low point of the inclination of the sieve plate (7) is located at the opening.

6. The film-coated sand production hopper according to claim 5, characterized in that The middle part of the upper end face of the sieve plate (7) is fixed with a vibrating block (11), and the top of the vibrating block (11) is designed as a hemisphere and corresponds to the convex part (5).