Recycled powder conveying device of asphalt mixture stirring equipment

Abstract

The utility model relates to the technical field of conveying equipment, in particular to a recycled powder conveying device of asphalt mixture stirring equipment. Comprising a recycled powder bin, a recycled powder conveying screw conveyor arranged at the bottom of the recycled powder bin, a recycled asphalt mixture transition bin, a recycled powder articulated chute arranged at the bottom of the recycled powder conveying screw conveyor, a recycled asphalt mixture elevator and a gate valve. Recycled powder passes through the recycled powder chute and then is conveyed to the recycled asphalt mixture elevator, when a client produces a fine-graded mixture, the gate valve is opened and closed, and the recycled powder is conveyed to the interior of the recycled asphalt mixture transition bin, so that the problem of equipment limitation is solved; the problem that recycled powder of asphalt stirring equipment in the market usually directly enters a recycled asphalt mixture transition bin or directly enters a recycled asphalt mixture elevator is solved.

Description

Technical Field

[0001] This utility model relates to the field of conveying equipment technology, and in particular to a regenerated powder conveying device for asphalt mixture mixing equipment. Background Technology

[0002] Currently, recycled powder from asphalt mixing equipment on the market is usually directly fed into the recycled asphalt mixture transition bin or the recycled asphalt mixture elevator. Due to the limitations of the equipment, it cannot meet the working conditions of customers producing different formulas. Utility Model Content

[0003] Therefore, in view of the above problems, this utility model proposes a recycling powder conveying device for asphalt mixture mixing equipment, which solves the above problems.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: a recycled powder conveying device for asphalt mixture mixing equipment, comprising a recycled powder silo, a recycled powder conveying screw conveyor located at the bottom of the recycled powder silo, a recycled asphalt mixture transition silo located on the side of the recycled powder conveying screw conveyor away from the recycled powder silo, a receiving port located at the top of the recycled asphalt mixture transition silo and used for connecting to the recycled powder conveying screw conveyor, a recycled powder chute located at the bottom of the recycled powder conveying screw conveyor, a recycled asphalt mixture elevator located at the bottom of the recycled powder chute, and a gate valve located between the recycled powder conveying screw conveyor and the recycled asphalt mixture elevator. The recycled powder conveying screw conveyor includes a first conveying pipe, a first screw located inside the first conveying pipe, a first spiral blade located outside the first screw, a first motor for driving the first screw to rotate, a first inlet located at the top of one side of the first conveying pipe, and a first outlet located at the bottom of the other side of the first conveying pipe.

[0005] Furthermore, the first conveying pipe is U-shaped or V-shaped, and a maintenance door is detachably provided at the top of the first conveying pipe.

[0006] Furthermore, a second conveying pipe is provided below the first discharge port of the first conveying pipe. The top of the second conveying pipe is provided with a second inlet for connecting with the first discharge port. The second discharge port is provided on the side of the second conveying pipe away from the first discharge port. A second screw and a second spiral blade are provided inside the second conveying pipe. A second motor for driving the second screw to rotate is provided on one side of the second conveying pipe.

[0007] Furthermore, a second screw conveyor is provided at the bottom of the recycled powder silo.

[0008] Furthermore, the slide gate valve includes a valve body, a central hole in the middle of the valve body, a cover plate for closing the central hole, a screw rod rotatably located on the other side of the cover plate, an adjusting nut located on the other side of the valve body and engaged with the screw rod, and a rotating wheel located outside the adjusting nut or the screw rod. The central hole of the valve body is connected to the first conveying pipe and the regeneration and recovery powder chute, respectively.

[0009] By adopting the aforementioned technical solution, the beneficial effects of this utility model are:

[0010] This asphalt mixture mixing equipment's recycled powder conveying device, through the setting of a recycled powder conveying screw conveyor, when the customer is producing coarse-graded mixtures, the recycled powder is conveyed to the recycled asphalt mixture elevator. After the screw conveyor opens, the first motor drives the first screw to rotate, which in turn drives the outer spiral blades to rotate. The outer spiral blades convey the recycled powder input from the first inlet to the left. During the conveying process, the recycled powder conveyed by the outer spiral blades falls through the screw conveyor into the recycled powder chute, and then is conveyed to the recycled asphalt mixture elevator. When the customer is producing fine-graded mixtures, the recycled powder... When the powder is conveyed to the recycled asphalt mixture transition bin, the slide gate valve closes. As the first screw rotates, the outer spiral blades convey the recycled powder input from the first feed port from the right to the leftmost side. The slide gate valve closes, and after completion, it is output to the receiving port through the first discharge port. The recycled powder at the receiving port falls into the recycled asphalt mixture transition bin. Depending on the production conditions, the recycled powder can be selected to enter the recycled asphalt mixture transition bin or the recycled asphalt mixture elevator. This solves the problem that due to equipment limitations, recycled powder from asphalt mixing equipment on the market usually enters the recycled asphalt mixture transition bin or the recycled asphalt mixture elevator directly. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model;

[0012] Figure 2 This is a partial structural plan view of the screw conveyor for recycling powder according to this utility model;

[0013] Figure 3 This is a partial structural diagram of the regenerated powder conveying screw conveyor of this utility model;

[0014] Figure 4 This is a schematic diagram of the structure of the recycling powder silo and the second screw conveyor in use according to this utility model;

[0015] Figure 5 This is a partial cross-sectional schematic diagram of the slide gate valve of this utility model;

[0016] Figure 6This is a schematic diagram of the slide gate valve structure of this utility model. Detailed Implementation

[0017] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments.

[0018] refer to Figures 1 to 6 This embodiment provides a recycled powder conveying device for asphalt mixture mixing equipment, including a recycled powder silo 1, a recycled powder conveying screw conveyor 2 located at the bottom of the recycled powder silo 1, a recycled asphalt mixture transition silo 3 located on the side of the recycled powder conveying screw conveyor 2 away from the recycled powder silo 1, a receiving port 3a located at the top of the recycled asphalt mixture transition silo 3 and used for connecting to the recycled powder conveying screw conveyor 2, a recycled powder chute 4 located at the bottom of the recycled powder conveying screw conveyor 2, a recycled asphalt mixture elevator 5 located at the bottom of the recycled powder chute 4, and a gate valve 6 located between the recycled powder conveying screw conveyor 2 and the recycled asphalt mixture elevator 5.

[0019] The recycled powder conveying screw conveyor 2 includes a first conveying pipe 201, a first screw 202 disposed inside the first conveying pipe 201, a first spiral blade 203 disposed outside the first screw 202, a first motor 204 for driving the first screw 202 to rotate, a first feed port 205 disposed at the top of one side of the first conveying pipe 201, and a first discharge port 206 disposed at the bottom of the other side of the first conveying pipe 201.

[0020] The recycled powder from the silo is fed into a screw conveyor. The first inlet of the screw conveyor is located above the slide gate valve. When the screw conveyor delivers recycled powder from the silo, it passes through the slide gate valve. After the slide gate valve opens, the first motor drives the first screw to rotate. The rotation of the first screw drives the outer spiral blades to rotate, which in turn transport the recycled powder from the first inlet to the left. During this process, the recycled powder transported by the outer spiral blades passes through the slide gate valve and falls into the recycled powder chute. After passing through the chute, it is transported to the recycled asphalt mixture elevator.

[0021] When it is necessary to transport the recycled asphalt mixture to the transition bin, the slide valve closes. As the first screw rotates, the outer spiral blades transport the recycled powder input from the first feed port from the right side to the leftmost side. After completion, it is output to the receiving port through the first discharge port. The recycled powder in the receiving port falls into the interior of the recycled asphalt mixture transition bin. Depending on the production conditions, the recycled powder can be selected to enter the recycled asphalt mixture transition bin or enter the recycled asphalt mixture elevator.

[0022] The first conveying pipe 201 is U-shaped or V-shaped. The top of the first conveying pipe 201 is detachably equipped with an equipment maintenance door 207. When it is necessary to maintain or clean the regenerated powder conveying screw conveyor, the maintenance door can be opened to maintain and clean the inside of the first conveying pipe.

[0023] The first conveying pipe 201 is located below the first discharge port 206, and a second conveying pipe 208 is provided. The top of the second conveying pipe 208 is provided with a second inlet 209 for connecting with the first discharge port 206. The second conveying pipe 208 is provided with a second discharge port 210 on the side away from the first discharge port 206. The second conveying pipe 208 is provided with a second screw 211 and a second spiral blade 212. A second motor 213 is provided on one side of the second conveying pipe 208 for driving the second screw 211 to rotate. The first discharge port outputs recycled powder to the second inlet. The second motor drives the second screw and the second spiral blade to rotate. The second spiral blade transports the recycled powder input from the second inlet to the second discharge port on the left. The recycled powder output from the second discharge port is transported to the recycled asphalt mixture transition bin. This can extend the conveying distance of the recycled powder conveying screw conveyor. The number of second conveying pipes can be set according to the actual use.

[0024] The bottom of the recycled powder silo 1 is equipped with a second spiral conveyor 7. The structure of the second spiral conveyor is the same as that of the recycled powder conveying spiral conveyor, and the principle is the same as above, so it will not be described in detail here.

[0025] The slide valve 6 includes a valve body 601, a central hole 602 located in the middle of the valve body 601, a cover plate 603 for closing the central hole 602, a lead screw 604 rotatably located on the other side of the cover plate 603, an adjusting nut 605 located on the other side of the valve body 601 and screwed into the lead screw 604, and a rotating wheel 606 located outside the adjusting nut 605 or the lead screw 604. The central hole 602 of the valve body 601 is connected to the first conveying pipe 201 and the regeneration and recovery powder chute 4, respectively.

[0026] In use, the adjusting nut can be fixed on the other side of the valve body, and the rotating wheel can be fixed on the outside of the screw. Rotating the rotating wheel will drive the screw to rotate and move. Alternatively, the adjusting nut can be rotated on the other side of the valve body, and the rotating wheel can be fixed on the outside of the adjusting nut. Rotating the rotating wheel will drive the adjusting nut to rotate and drive the screw to move.

[0027] With the slide gate valve in place, after the rotating wheel is rotated, the screw moves to one side. During the movement of the screw, the cover plate moves laterally. During the lateral movement of the cover plate, the central hole of the valve body opens, and the recycled powder conveyed by the first conveying pipe will be conveyed downward through the central hole on the valve body into the recycled powder chute. This facilitates the control of the recycled powder conveying position in the recycled powder conveying screw conveyor.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0029] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0030] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0031] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0032] Although the present invention has been specifically shown and described in conjunction with preferred embodiments, those skilled in the art should understand that various changes in form and detail may be made to the present invention without departing from the spirit and scope of the present invention as defined in the appended claims, and all such changes shall be within the scope of protection of the present invention.

Claims

1. A recycling powder conveying device for asphalt mixture mixing equipment, characterized in that, Includes a recycled powder silo (1), a recycled powder conveying screw conveyor (2) located at the bottom of the recycled powder silo (1), a recycled asphalt mixture transition silo (3) located on the side of the recycled powder conveying screw conveyor (2) away from the recycled powder silo (1), a receiving port (3a) located at the top of the recycled asphalt mixture transition silo (3) and used for connecting to the recycled powder conveying screw conveyor (2), a recycled powder chute (4) located at the bottom of the recycled powder conveying screw conveyor (2), a recycled asphalt mixture elevator (5) located at the bottom of the recycled powder chute (4), and a recycled powder... A slide valve (6) between the conveying screw conveyor (2) and the recycled asphalt mixture elevator (5). The recycled powder conveying screw conveyor (2) includes a first conveying pipe (201), a first screw (202) disposed in the first conveying pipe (201), a first spiral blade (203) disposed outside the first screw (202), a first motor (204) for driving the first screw (202) to rotate, a first feed port (205) disposed at the top of one side of the first conveying pipe (201), and a first discharge port (206) disposed at the bottom of the other side of the first conveying pipe (201).

2. The asphalt mixture mixing equipment recycling powder conveying device according to claim 1, characterized in that: The first conveying pipe (201) is U-shaped or V-shaped, and the top of the first conveying pipe (201) is detachably equipped with an equipment maintenance door (207).

3. The asphalt mixture mixing equipment recycling powder conveying device according to claim 1, characterized in that: The first conveying pipe (201) is located below the first discharge port (206) and a second conveying pipe (208) is provided. The top of the second conveying pipe (208) is provided with a second inlet (209) for connecting with the first discharge port (206). The second conveying pipe (208) is provided with a second discharge port (210) on the side away from the first discharge port (206). The second conveying pipe (208) is provided with a second screw (211) and a second spiral blade (212). A second motor (213) for driving the second screw (211) to rotate is provided on one side of the second conveying pipe (208).

4. The asphalt mixture mixing equipment recycling powder conveying device according to claim 1, characterized in that: The bottom of the recycled powder silo (1) is equipped with a second screw conveyor (7).

5. The asphalt mixture mixing equipment recycling powder conveying device according to claim 1, characterized in that: The slide valve (6) includes a valve body (601), a central hole (602) located in the middle of the valve body (601), a cover plate (603) for closing the central hole (602), a screw (604) rotatably located on the other side of the cover plate (603), an adjusting nut (605) located on the other side of the valve body (601) and screwed into the screw (604), and a rotating wheel (606) located on the outside of the adjusting nut (605) or the screw (604). The central hole (602) of the valve body (601) is connected to the first conveying pipe (201) and the regeneration and recovery powder chute (4) respectively.

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