Mixing device for preparing concrete doped with gravel powder

By installing a screen frame and movable plate in a small mixing device, the problem of unscreened sand and aggregate affecting concrete quality is solved, achieving uniform screening and mixing of sand and aggregate, improving concrete quality and saving resources.

CN223701254UActive Publication Date: 2025-12-23GUANGXI YUHUA CONCRETE CO LTD
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Patent Information

Application Number
CN202423005639.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-12-23
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

Existing small-scale mixing plants do not screen sand and aggregates before mixing, which affects the quality of concrete.

Method used

A mixing device is designed, comprising a mixing bucket, a base, a motor, a connecting sleeve, a mixing roller, and a screen frame. The screen frame contains a screen that can screen sand and aggregates and is fixed by clamps. After mixing, the screen frame can be rotated to avoid blocking the bucket opening, and a movable plate is set to scrape off the residual material.

Benefits of technology

It enables uniform screening of sand and aggregates on small equipment, improving concrete quality. The device is flexible and portable, suitable for small-volume concrete mixing needs, and saves resources.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of concrete preparation, and discloses a mixing device for preparing concrete doped with gravel powder, which comprises a mixing barrel, a base, a motor, a connecting sleeve and a mixing roller, the mixing barrel is positioned above the base and is fixedly connected with the base, the motor is positioned above the base and is fixedly connected with the base, and the connecting sleeve is connected with the mixing roller. The mixing roller is rotatably connected with the mixing barrel, a screen frame is arranged at the front part of the mixing barrel, the screen frame is rotatably connected with the mixing barrel, a limiting ring is arranged at the upper position of the front part of the screen frame, a screen is arranged in the screen frame, a clamping piece penetrates through the front part and the rear part of the screen frame, a movable groove is formed in the inner side of the mixing barrel, and a spring is arranged in the movable groove. One end of the spring is fixedly connected with the mixing barrel, and the other end of the spring is fixedly connected with the clamping piece; and by arranging the screen frame and the screen, gravel and aggregate can be screened, so that gravel and aggregate particles are more uniform, and the quality of concrete is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to concrete preparation technical field, concretely is a kind of mixing device for concrete preparation with sandstone powder. BACKGROUND

[0002] The mixing device for concrete preparation with sandstone powder is a device specially used for fully mixing sandstone powder with cement, aggregate, water and other concrete raw materials, which is used to uniformly disperse sandstone powder in concrete, improve the compactness of concrete by micro aggregate filling effect of sandstone powder and improve the strength and durability of concrete.

[0003] Chinese patent provides a kind of mixing device for pervious concrete preparation, and the publication number is CN220261466U, including the stirring tank for mixing, the stirring tank is equipped with mixing assembly and connecting assembly;The mixing assembly includes the second motor arranged at the side of stirring tank, the first circular through-hole is opened at the side of stirring tank, the first circular through-hole is equipped with stirring shaft, and the stirring shaft is fixedly connected with the output end of second motor at one end;The other end of the stirring shaft is equipped with a plurality of stirring rods, a plurality of stirring rods are distributed at equal intervals, and the other end of a plurality of stirring rods is equipped with scraper, and the scraper is closely attached to the inner wall of stirring tank at one side.

[0004] The above device can fully mix materials, but it is a large device, and it is very wasteful to use such a large device when temporary mixing of a small amount of concrete is needed. The traditional small trolley type concrete mixing device does not have the function of screening sandstone and aggregate, and uneven sandstone and aggregate particles will affect the quality of concrete. Therefore, a mixing device for concrete preparation with sandstone powder is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of mixing device for concrete preparation with sandstone powder, to solve the problem that the existing small mixing device can only mix raw materials, and sandstone and aggregate are not screened before mixing, thereby affecting the quality of concrete.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of mixing device for concrete preparation with sandstone powder, including mixing bucket, base, motor, connecting sleeve, mixing roller, mixing bucket is located above base and is fixedly connected with base, motor is located above base and is fixedly connected with base, mixing roller is rotationally connected with mixing bucket, the front part of the mixing bucket is provided with screen frame, and the screen frame is rotationally connected with the mixing bucket, a limit ring is arranged at the upper position of the front part of the screen frame, a screen is arranged in the screen frame, and a clamping piece is arranged through the front and rear parts of the screen frame.

[0007] Preferably, a movable groove is arranged in the inside of the mixing barrel, a spring is arranged in the movable groove, one end of the spring is fixedly connected with the mixing barrel, and the other end of the spring is fixedly connected with the clamping piece.

[0008] Preferably, the screen frame is made of soft material, and clamping grooves are arranged through the front and back of the screen frame and are matched with the clamping piece.

[0009] Preferably, two groups of transmission wheels are arranged in the inside of the connecting sleeve, a belt is arranged outside the transmission wheels, the output shaft of the motor is fixedly connected with one group of transmission wheels, and the other group of transmission wheels is fixedly connected with one end of the mixing roller.

[0010] Preferably, a movable plate is arranged in the mixing barrel, and a sliding block and a connecting rod are fixedly arranged on the top of the movable plate.

[0011] Preferably, a sliding groove is arranged through the top of the inner wall of the mixing barrel, and the sliding block and the connecting rod are arranged in the sliding groove.

[0012] Compared with the prior art, the present application has the following beneficial effects:

[0013] 1) The concrete preparation mixing device is a small-sized trolley type mixing device, which is more compact and flexible than large equipment, can meet the mixing requirement of less concrete, and enables the large equipment to be started without needing to be started when less concrete is required, so that the device can be directly used, in addition, the device is provided with a screen frame, the screen frame is provided with a screen, so that the sand and aggregate of the concrete raw material can be screened, the screened sand and aggregate particles are more uniform, the concrete quality is improved, and the screen frame can be rotated to the outside when not in use, so as to not affect the addition and pouring of other raw materials.

[0014] 2) The clamping piece is arranged, the screen frame can be fixed more firmly, the clamping piece is directly pressed when in use, and the clamping piece can be clamped in the clamping groove.

[0015] 3) The movable plate is arranged, the inside of the mixing barrel can be scraped, when there is still mixed material remaining in the mixing barrel, the device is placed flat, the connecting rod is pulled, and the scraper can scrape the mixed material remaining on the bottom of the barrel. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0017] Figure 2 It is a schematic diagram of the overall structure of the present application; Figure 1 It is an enlarged view of A in the present application;

[0018] Figure 3 It is a structure diagram of the movable groove of the present application;

[0019] Figure 4The use demonstration drawing of the utility model;

[0020] Figure 5 The structure drawing of the connecting sleeve and the mixing barrel of the utility model;

[0021] Figure 6 The internal structure of the mixing barrel of the utility model Figure 1 ;

[0022] Figure 7 The internal structure of the mixing barrel of the utility model Figure 2 ;

[0023] Figure 8 The front view of the utility model.

[0024] In the drawing: 1, mixing barrel; 2, base; 3, motor; 4, connecting sleeve; 5, mixing roller; 6, transmission wheel; 7, belt; 8, screen frame; 9, limiting ring; 10, clamping piece; 11, connecting rod; 12, spring; 13, movable slot; 14, clamping groove; 15, movable plate; 16, sliding block; 17, sliding groove. DETAILED DESCRIPTION

[0025] 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, 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 protection scope of the utility model.

[0026] Embodiment one

[0027] In combination Figure 1 - Figure 8 A mixing device for preparing concrete mixed with sandstone powder, comprising a mixing barrel 1, a base 2, a motor 3, a connecting sleeve 4 and a mixing roller 5. The mixing barrel 1 is located above the base 2 and is fixedly connected with the base 2. The motor 3 is located above the base 2 and is fixedly connected with the base 2. The mixing roller 5 is rotationally connected with the mixing barrel 1.

[0028] Refer to Figure 1 - Figure 4, further get, the front of the mixing bucket 1 is provided with a screen frame 8, the screen frame 8 is rotatably connected with the mixing bucket 1, a limiting ring 9 is arranged at the upper front part of the screen frame 8, a screen is arranged in the screen frame 8, and clamping pieces 10 are arranged through the front and rear parts of the screen frame 8; a movable groove 13 is formed in the inner side of the mixing bucket 1, a spring 12 is arranged in the movable groove 13, one end of the spring 12 is fixedly connected with the mixing bucket 1, and the other end of the spring 12 is fixedly connected with the clamping piece 10; the screen frame 8 is made of soft material, clamping grooves 14 are formed through the front and rear parts of the screen frame 8, and the clamping grooves 14 are matched with the clamping pieces 10.

[0029] Specifically, the traditional mixing bucket 1 for preparing concrete does not have the functions of sand and stone screening and aggregate screening, so that the particles of sand and stone may be uneven, and thus the concrete produced by stirring is uneven in texture, and therefore, by arranging the screen, the sand and stone can be screened to facilitate the mixing of concrete.

[0030] In addition, the screen frame 8 is movably connected with the mixing bucket 1, so that when other ingredients such as cement are added, the screen frame 8 can be rotated to make the screen frame 8 not block the barrel opening of the mixing bucket 1, thereby facilitating the addition of other raw materials. The screen frame 8 and the mixing bucket 1 have relatively large friction therebetween, so that after the screen frame 8 is manually rotated, the position of the screen frame 8 will not be easily moved.

[0031] Embodiment Two

[0032] Reference Figure 5 - Figure 7 On the basis of the embodiment one, further get, the inner side of the connecting sleeve 4 is provided with two groups of transmission wheels 6, the outer part of the transmission wheel 6 is provided with a belt 7, the output shaft of the motor 3 is fixedly connected with one group of transmission wheels 6, and the other group of transmission wheels 6 is fixedly connected with one end of the mixing roller 5; the inner side of the mixing bucket 1 is provided with a movable plate 15, the top of the movable plate 15 is fixedly provided with a sliding block 16 and a connecting rod 11; a sliding groove 17 is formed through the top of the inner wall of the mixing bucket 1, and the sliding block 16 and the connecting rod 11 are located in the sliding groove 17.

[0033] Specifically, by arranging the movable plate 15, the residual mixture at the bottom of the inner side of the mixing bucket 1 can be scraped out. When pouring the mixture, the screen frame 8 is rotated to make the barrel opening not be blocked, and then the device is pushed to make the device inclined, so that the mixture is poured out. When there is still residual mixture in the mixing bucket 1, the device is placed flat, the connecting rod is pulled multiple times, and the movable plate 15 can pour out the residual mixture.

[0034] In actual operation, the device is inclined, the barrel mouth of the mixing barrel 1 is upward, and the sand and aggregate are added, the sand and aggregate screen the screen in the inside of the screen frame 8, the sand and aggregate with large particles fall, the clamping piece 10 is pressed, the clamping piece 10 is separated from the clamping groove 14 of the screen frame 8, the screen frame 8 is rotated, the screen frame 8 no longer blocks the barrel mouth of the mixing barrel 1, and other raw materials are added, the motor 3 is started, the mixing roller 5 rotates to mix the raw materials, after mixing, the device is inversely inclined, and the mixed material is poured out, when there is residual in the mixing barrel 1, the device is placed flat, the connecting rod 11 is pulled, and the movable plate 15 moves to scrape the residual mixed material at the bottom of the mixing barrel 1.

[0035] The clamping piece 10 is arranged, the screen frame 8 is fixed more firmly, the impact force is large when the sand and aggregate are scooped, the clamping piece 10 is arranged, the screen frame 8 is fixed more firmly, in use, the screen frame 8 is rotated, the clamping piece 10 is pressed, the spring 12 is contracted under the action, the screen frame 8 is aligned with the barrel mouth, the clamping piece 10 is released, the spring 12 is reset, the clamping piece 10 is inserted into the clamping groove 14, and the screen frame 8 is fixed.

[0036] 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 the embodiments without departing from the principles and spirits of the utility model, the range of the utility model is defined by the appended claims and its equivalents.

Claims

1. A mixing device for preparing concrete with added sand and gravel powder, comprising a mixing drum (1), a base (2), a motor (3), a connecting sleeve (4), and a mixing roller (5), wherein the mixing drum (1) is located above the base (2) and is fixedly connected to the base (2), the motor (3) is located above the base (2) and is fixedly connected to the base (2), and the mixing roller (5) is rotatably connected to the mixing drum (1), characterized in that: The mixing barrel (1) is provided with a screen frame (8) at the front. The screen frame (8) is rotatably connected to the mixing barrel (1). A limit ring (9) is provided at the upper front of the screen frame (8). A screen is provided inside the screen frame (8). A clip (10) is provided through the front and rear of the screen frame (8).

2. The mixing device for preparing concrete with added sand and gravel powder according to claim 1, characterized in that: The mixing barrel (1) has an inner groove (13) and a spring (12) is provided in the groove (13). One end of the spring (12) is fixedly connected to the mixing barrel (1) and the other end of the spring (12) is fixedly connected to the clip (10).

3. The mixing device for preparing concrete with added sand and gravel powder according to claim 1, characterized in that: The screen frame (8) is made of soft material, and a slot (14) is provided through the front and rear parts of the screen frame (8), and the slot (14) is compatible with the clip (10).

4. The mixing device for preparing concrete with added sand and gravel powder according to claim 1, characterized in that: The inner side of the connecting sleeve (4) is provided with two sets of transmission wheels (6), and the outside of the transmission wheels (6) is provided with a belt (7). The output shaft of the motor (3) is fixedly connected to one set of transmission wheels (6), and the other set of transmission wheels (6) is fixedly connected to one end of the mixing roller (5).

5. A mixing device for preparing concrete with added sand and gravel powder according to claim 1, characterized in that: The mixing tank (1) is equipped with a movable plate (15), and a slider (16) and a connecting rod (11) are fixedly installed on the top of the movable plate (15).

6. A mixing device for preparing concrete with added sand and gravel powder according to claim 5, characterized in that: A groove (17) is provided through the top of the inner wall of the mixing tank (1), and the slider (16) and the connecting rod (11) are both located in the groove (17).

Citation Information

Patent Citations

  • Mixing device for preparing pervious concrete

    CN220261466U