Concrete mixing equipment
By designing a drum structure and material receiving chute control for the retention mixing equipment in the concrete mixing plant, the problems of equipment corrosion and failure caused by slurry splashing are solved, and the durability and reliability of the equipment are improved.
Patent Information
- Application Number
- CN202422727061.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-11-08
AI Technical Summary
Existing concrete mixing equipment is prone to high equipment failure rate due to slurry splashing and corrosion during long-term use, especially the moving parts and transmission components are contaminated, blocked and corroded by cement.
A concrete mixing equipment was designed. It adopts a drum structure with an internal annular track and tile-shaped material receiving plate, equipped with a receiving chute and a discharge system. The mixing and discharging modes are achieved by controlling the posture of the receiving and unloading chute to avoid slurry contamination of external mechanisms. An annular disc is used to prevent splashing.
Effectively prevent cement mortar from contaminating external active mechanisms and the machine body, reduce equipment failures, increase service life and reduce energy consumption.
Smart Images
Figure CN223354569U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a mixing device, in particular to a concrete mixing device. Background Art
[0002] Concrete is primarily a mixture of cement, aggregate, and water. Concrete mixing equipment is specialized for mixing concrete. The mixing speed and uniformity of the concrete are key indicators for evaluating its performance. Existing mixing equipment creates a gap between the mixing rod and the mixing drum, requiring specialized sealing. However, during the mixing and discharging process, the slurry can splash or overflow, easily contaminating the gaps, discharge ports, and other moving parts. Over time, these parts can become corroded or blocked by cement, increasing the resistance to movement of related components. This not only increases the equipment's energy consumption but also significantly increases its failure rate. Therefore, a more durable concrete mixing equipment design was necessary. Summary of the Invention
[0003] The utility model provides a concrete mixing device, which solves the problem in the prior art that concrete mixing devices are prone to malfunction after long-term use.
[0004] The above-mentioned technical problems of the utility model are mainly solved by the following technical solutions: a concrete mixing device comprises a support frame, a drum and a power assembly that drives the drum to roll on the support frame, the drum is arranged horizontally, and its front and rear ends are respectively provided with a feeding port and a discharge port, the at least two annular tracks are provided on the circumferential side walls of the drum, the support frame is provided with a plurality of guide wheels, and each of the annular tracks rolls against at least two of the guide wheels, and a circumferential array of a plurality of tile-shaped material receiving plates is provided on the circumferential inner wall of the drum. The rear end of the support frame is also provided with a column, and the column is horizontally rotatably connected to a discharge pipe, the front end of the discharge pipe extends toward the inner side of the discharge port, the front end of the discharge pipe is provided with an annular disc, and the annular disc is provided with a material receiving trough extending toward the front end, and the bottom of the material receiving trough is communicated with the inner cavity of the discharge pipe.
[0005] The feeding port of the present invention is used for feeding cement, aggregate and water, and can be adapted to conveyor belt feeding equipment. After the power assembly is turned on, the drum will be driven to rotate at a constant speed. The working state of the present invention can be divided into stirring mode and unloading mode. When the unloading pipe is rotated so that the opening of the receiving trough is facing downward, the equipment is in stirring mode, and the material holding plate inside the drum will rotate synchronously with it. The material inside will be continuously driven to a high position by the material holding plate, and then fall down, over and over again. In this process, the material will roll and mix until it is completely mixed. The receiving trough can block the opening of the unloading pipe to prevent the slurry sliding from the material holding plate from entering the unloading pipe. When the discharge pipe is rotated so that the opening of the receiving trough faces upward, the equipment is in the discharge mode. The mixed concrete continues to be lifted to a high position by the receiving plate and then falls. At this time, the receiving trough can catch the slurry that slides down from the receiving plate. Since the receiving trough is connected to the discharge pipe, the concrete accumulated in the receiving trough will flow out of the discharge pipe, thereby realizing discharge. The mixing area of the present invention is inside the drum, and the flow area of the cement mortar is mainly concentrated on the inner side wall of the drum. During the mixing process, the receiving trough can block the opening of the discharge pipe, so that the cement mortar is not easy to contaminate the external movable mechanism and the fuselage. The annular disc can also play a certain anti-splashing effect to prevent the splashing slurry from flying out of the discharge port. Therefore, during the operation of the present invention, it is not easy for cement mortar to contaminate the fuselage, especially the movable parts of the fuselage and the transmission components will not be contaminated, blocked, or corroded by cement, which is beneficial to improve the service life of the equipment and reduce the failure rate of the equipment.
[0006] Furthermore, an extension plate is provided on the side of the receiving trough close to the raised side of the receiving plate, and the bottom of the receiving trough is set high in the front and low in the back. The area where the material slides off the receiving plate is mainly distributed on the half side where the receiving plate is raised.
[0007] Furthermore, the rear end of the discharge pipe is extended backward and coaxially fixed with a small gear ring. A reduction motor is installed on the column, and a small gear that meshes with the small gear ring is fixed on the output shaft of the reduction motor. In this way, the posture of the docking trough can be controlled by controlling the forward and reverse rotation of the reduction motor.
[0008] Therefore, compared with the prior art, the present invention has the following characteristics: 1. The mixing area of the present invention is inside the drum. During the mixing process, the material receiving trough can block the opening of the discharge pipe, so the cement mortar is not easy to contaminate the external movable mechanism and the fuselage, especially the movable parts of the fuselage and the transmission components will not be contaminated, blocked or corroded by cement, which is beneficial to improve the service life of the equipment and reduce the failure rate of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Attachment Figure 1 It is a structural schematic diagram of the utility model;
[0010] Attachment Figure 2 It is a structural diagram of the discharge pipe;
[0011] Attachment Figure 3 It is a side view of the drum;
[0012] Attachment Figure 4 It is a structural diagram of the drum in the unloading mode;
[0013] Attachment Figure 5 It is a structural diagram of the drum in stirring mode. DETAILED DESCRIPTION
[0014] The technical solution of the present invention will be further specifically described below with reference to embodiments and in conjunction with the accompanying drawings.
[0015] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0016] Example 1: See Figure 1 、 Figure 3 、 Figure 4 and Figure 5 , a concrete mixing equipment, including a support frame 100, a drum 200 and a power assembly for driving the drum to roll on the support frame, the drum is arranged horizontally, and a feeding port 210 and a discharge port 220 are respectively provided at the front and rear ends thereof, two annular tracks 230 are provided on the circumferential side walls of the drum, and four guide wheels 110 are provided on the support frame, each annular track rolls against two guide wheels, and 6 to 10 tile-shaped material receiving plates 240 are arranged in a circumferential array on the circumferential inner wall of the drum, the distribution direction of the material receiving plates can be horizontal or inclined, and the inclined direction is the side of the discharge port, and the rear end of the support frame is also provided with a column 120, and a discharge pipe 300 is horizontally rotatably connected to the column, and the front end of the discharge pipe extends to the inner side of the discharge port, and the front end of the discharge pipe is provided with an annular disc 310, and the annular disc is provided with a material receiving trough 320 extending to the front end, and the bottom of the material receiving trough is connected to the inner cavity of the discharge pipe.
[0017] The feed port of this embodiment is used to feed cement, aggregate, and water, and is compatible with conveyor belt feeding equipment. When the power assembly is activated, the drum is driven to rotate at a constant speed. The operating modes of this embodiment can be divided into mixing mode and discharge mode. When the discharge pipe is rotated so that the opening of the receiving chute faces downward, the device is in mixing mode. The material holding plate inside the drum rotates synchronously with it, and the material inside is continuously driven to a high position by the material holding plate and then falls down, repeating this process. During this process, the material tumbles and mixes until it is completely mixed. The receiving chute blocks the opening of the discharge pipe, preventing slurry from sliding off the material holding plate from entering the discharge pipe. When the discharge pipe is rotated so that the opening of the receiving chute faces upward, the device is in discharge mode. The mixed concrete continues to be lifted to a high position by the material holding plate and then falls down. The receiving chute now catches the slurry that slides off the material holding plate. Since the receiving chute is connected to the discharge pipe, concrete accumulated in the receiving chute flows out of the discharge pipe, thus achieving discharge. In this embodiment, the mixing area is located within the drum, and the cement mortar flow area is primarily concentrated on the inner sidewalls of the drum. During mixing, the receiving trough blocks the opening of the discharge pipe, preventing cement mortar from contaminating the external movable mechanism and the machine body. The annular disc also provides a certain degree of splash protection, preventing splashing slurry from escaping from the discharge port. Therefore, during operation, this embodiment is less likely to contaminate the machine body with cement mortar, especially preventing the movable parts of the machine body and transmission components from being contaminated, blocked, or corroded by cement, thereby extending the service life of the equipment and reducing the equipment failure rate.
[0018] See Figure 2 and Figure 4 The receiving trough is provided with an extension plate 330 on the side of the material receiving plate. The bottom of the receiving trough is set high in the front and low in the back. The above position relationship is when the receiving trough is in the state of opening upward. The area where the material slides off the material receiving plate is mainly distributed on the half side of the material receiving plate. This setting can increase the receiving area of the receiving trough.
[0019] See Figure 1 The rear end of the discharge pipe is extended backward and coaxially fixed with a small gear ring 340. A reduction motor 130 is provided on the column, and a small gear 131 meshing with the small gear ring is fixed on the output shaft of the reduction motor. In this way, the posture of the docking trough can be controlled by controlling the forward and reverse rotation of the reduction motor.
[0020] See Figure 1 and Figure 3 A large gear ring 140 is also provided on the circumferential side wall of the drum. The power assembly consists of a motor 150 provided on a support frame, a gear 151 fixed on the output shaft of the motor and the large gear ring, and the gear is meshed with the large gear ring.
[0021] See Figure 1The front end of the drum is truncated into a cone, with a check ring 160 protruding from its inner wall. The cone shape increases the distance between the cement mortar splash area and the feeding port, reducing splashing from the feeding port. The check ring also prevents fluid on the inner wall from overflowing toward the feeding port.
[0022] It is obvious to those skilled in the art that the present invention can be modified in many ways, and such modifications are not considered to depart from the scope of the present invention. All such modifications obvious to those skilled in the art are intended to be included within the scope of the present claims.
Claims
1. A concrete mixing device, comprising a support frame, a drum, and a power assembly for driving the drum to roll on the support frame, wherein the drum is arranged horizontally, and a feeding port and a discharge port are respectively provided at the front and rear ends thereof, at least two annular tracks are provided on the circumferential sidewalls of the drum, and the support frame is provided with a plurality of guide wheels, each of the annular tracks rollingly abutting against at least two of the guide wheels, characterized in that: A plurality of tile-shaped material receiving plates are arranged in a circular array on the inner circumferential wall of the drum, and a column is further provided at the rear end of the support frame. A discharge pipe is horizontally rotatably connected to the column, and the front end of the discharge pipe extends toward the inner side of the discharge port. An annular disc is provided at the front end of the discharge pipe, and a material receiving trough extending toward the front end is provided on the annular disc, and the bottom of the material receiving trough is communicated with the inner cavity of the discharge pipe; When the discharge pipe is rotated so that the opening of the material receiving trough faces upward, the material receiving trough can catch the slurry that slides down from the material holding plate; when the discharge pipe is rotated so that the opening of the material receiving trough faces downward, the material receiving trough can block the opening of the discharge pipe to prevent the slurry that slides down from the material holding plate from entering the discharge pipe.
2. The concrete mixing equipment according to claim 1, characterized in that: An extension plate is provided on the side of the material receiving trough that is lifted by the material holding plate, and the bottom of the material receiving trough is arranged with the front higher and the back lower.
3. The concrete mixing equipment according to claim 2, characterized in that: The rear end of the discharge pipe is extended backward and coaxially fixed with a small gear ring. A reduction motor is provided on the column. A small gear meshing with the small gear ring is fixed on the output shaft of the reduction motor.
4. The concrete mixing equipment according to claim 1, characterized in that: A large gear ring is also provided on the circumferential side wall of the drum. The power assembly is composed of a motor provided on the support frame, a gear fixed on the output shaft of the motor and the large gear ring, and the gear is meshed with the large gear ring.
5. The concrete mixing equipment according to claim 1, characterized in that: The front end of the drum is in the shape of a truncated cone, and a stop-flow ring is convexly provided on the inner wall thereof.