Asphalt concrete mixing device

Abstract

The utility model relates to the technical field of asphalt concrete mixing, and discloses an asphalt concrete mixing device which comprises a base, the mixing drum is arranged on the top surface of the base, a driving assembly is arranged on the base, the driving end of the driving assembly is connected with the mixing drum, one side of the bottom end of the mixing drum is rotationally connected with the base, and an opening is formed in the top end of the mixing drum and used for guiding out asphalt concrete; the stirring shaft is rotationally connected in the stirring barrel, a first air cylinder is fixedly connected to the base, a fixing rod is fixedly connected to the piston end of the first air cylinder, the stirring shaft and the fixing rod are rotationally fixed, and the stirring shaft ascends and descends relative to the opening. The mixing efficiency of asphalt concrete can be improved, and the mixing device is convenient to clean by personnel.

Description

TECHNICAL FIELD

[0001] The utility model relates to asphalt concrete mixing technical field especially, and relates to an asphalt concrete mixing device. BACKGROUND

[0002] Asphalt concrete is mixed material formed by mixing mineral aggregate, gravel or sand, stone chips and asphalt, which needs to be prepared by mixing device.

[0003] In the prior art such as patent no. CN217104587U asphalt concrete production material full mixing device, the inner wall of the stirring cylinder is cleaned by the annular rack and the transmission motor, and the stirring blade is detachably installed on the stirring shaft, so as to facilitate the disassembly and cleaning of the stirring blade. However, the stirring blade is connected with the driving motor through the transmission belt, and personnel need to enter the inside of the stirring cylinder to disassemble the stirring blade during disassembly. At the same time, since the cleaning strip is arranged in the stirring cylinder along the circumference, the personnel cannot directly observe the inside of the stirring cylinder, which causes the cleaning strip to be easily blocked at the position of the discharge port, so that the asphalt concrete is not convenient to directly pass out of the stirring cylinder after mixing, and the preparation efficiency is affected. Therefore, an asphalt concrete mixing device is urgently needed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an asphalt concrete mixing device to solve the problems existing in the prior art, which can improve the mixing efficiency of asphalt concrete and facilitate personnel to clean the mixing device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following scheme: the utility model provides an asphalt concrete mixing device, which comprises:

[0006] A base;

[0007] A stirring cylinder is arranged on the top surface of the base, a driving assembly is arranged on the base, the driving end of the driving assembly is connected with the stirring cylinder, the bottom end of the stirring cylinder is rotatably connected with the base, an opening is arranged at the top end of the stirring cylinder, and the opening is used for guiding the asphalt concrete out of the stirring cylinder;

[0008] A stirring shaft is connected in the stirring cylinder, a first air cylinder is fixedly connected to the base, a fixed rod is fixedly connected to the piston end of the first air cylinder, the stirring shaft is rotatably fixed with the fixed rod, and the stirring shaft is lifted relative to the opening.

[0009] Preferably, the utility model further comprises:

[0010] The top surface of the turnover plate is fixedly connected with the stirring cylinder, one side of the bottom end of the turnover plate is fixedly connected with a first supporting block, one side of the top surface of the base away from the first air cylinder is fixedly connected with a second supporting block, a rotating shaft is arranged on the overlapping part of the first supporting block and the second supporting block, and the driving end of the driving assembly is connected with the turnover plate, so that the turnover plate rotates around the rotating shaft.

[0011] Preferably, the driving assembly comprises:

[0012] At least one second air cylinder is hingedly connected in a first through groove formed in the base, and the piston end of the second air cylinder is hingedly connected to the middle of the bottom surface of the turnover plate.

[0013] At least one third air cylinder is hingedly connected in a second through groove formed in the base, and the piston end of the third air cylinder is hingedly connected to one side of the bottom surface of the turnover plate away from the rotating shaft.

[0014] Preferably, the first through groove and the second through groove are perpendicular to the axis direction of the rotating shaft, and the second air cylinder and the third air cylinder are arranged in a cross manner.

[0015] Preferably, the base further comprises:

[0016] The pad is fixedly connected to the top surface of the base, one side of the turnover plate away from the first supporting block abuts against the pad, and when the turnover plate abuts against the pad, the turnover plate is horizontally distributed.

[0017] Preferably, the top end of the stirring cylinder is fixedly connected with a guide plate on one side close to the rotating shaft, the top surface of the guide plate is in an arc structure, and the guide plate extends out of a guide channel in a direction away from the opening.

[0018] Preferably, the bottom plate is fixedly connected to one side of the base away from the stirring cylinder, the connecting plate is connected to the top surface of the bottom plate, the first air cylinder is fixedly connected to the top surface of the connecting plate, the rotating member is arranged on the bottom plate, and the rotating end of the rotating member is connected with the connecting plate, so that the stirring shaft rotates around the connecting plate.

[0019] Preferably, the rotating member comprises:

[0020] The stepping motor is fixedly connected to the bottom plate, the output shaft of the stepping motor is fixedly connected with a driving gear, the outer circumferential side of the connecting plate is fixedly connected with a gear tooth, and the connecting plate is meshed with the driving gear.

[0021] Preferably, the bottom surface of the fixed rod is fixedly connected with a driving motor, and the output shaft of the driving motor is coaxially fixedly connected with the stirring shaft.

[0022] The utility model discloses the following technical effects:

[0023] The utility model discloses a stirring shaft and mixing asphalt concrete with stirring cylinder cooperation, can through the first cylinder lifting stirring shaft after mixing preparation, and the stirring shaft is from the opening of stirring cylinder, and simultaneously through the drive assembly drive control to stirring cylinder, makes stirring cylinder rotate along the bottom end one side around the pedestal to the asphalt concrete of mixing preparation is guided from the opening, realizes the improvement of production efficiency, and, through the stirring shaft removal of stirring cylinder, and the top of stirring cylinder is provided with the opening, can directly wash the inside of stirring cylinder and stirring shaft for staff, improves the cleaning efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will be to the drawing needed in the embodiment of using briefly introduce, obviously, the drawing in the following description only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0025] Fig. 1 It is the position relation diagram of stirring cylinder and stirring shaft in the utility model;

[0026] Fig. 2 It is the position relation diagram of first cylinder and second cylinder when stirring cylinder overturns in the utility model;

[0027] Fig. 3 It is the position relation diagram of first cylinder and second cylinder when stirring cylinder is horizontal in the utility model;

[0028] Wherein, 1, pedestal;2, stirring cylinder;3, stirring shaft;4, opening;5, first cylinder;6, fixed link;7, overturning plate;8, first support;9, second support;10, pivot;11, second cylinder;12, third cylinder;13, cushion block;14, guide plate;15, bottom plate;16, connecting plate;17, step motor;18, driving gear;19, drive motor;20, gear tooth. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely in the following by combining the drawings in the embodiments of the utility model, obviously, the described embodiments only some embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled person in the art without making creative labor belong to the scope of the utility model protection.

[0030] In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, the following will be further detailed to the utility model by combining the drawings and specific implementation.

[0031] Referring to Figs. 1-3 The utility model provides a kind of asphalt concrete mixing device, comprising:

[0032] Base 1;

[0033] Mixing drum 2, it is set on the top surface of base 1, driving assembly is provided on base 1, the driving end of driving assembly is connected with mixing drum 2, the bottom end side of mixing drum 2 is rotatably connected with base 1, the top end of mixing drum 2 is provided with opening 4, and opening 4 is used to guide asphalt concrete out;

[0034] Mixing shaft 3, it is connected in mixing drum 2, first cylinder 5 is fixedly connected on base 1, the piston end of first cylinder 5 is fixedly connected with fixed rod 6, and mixing shaft 3 is rotatably fixed with fixed rod 6, and mixing shaft 3 is lifted relative to opening 4.

[0035] The utility model cooperates mixing asphalt concrete by mixing shaft 3 and mixing drum 2, after mixing preparation is completed, can lift mixing shaft 3 by first cylinder 5, and mixing shaft 3 is stretched out from opening 4 mixing drum 2, simultaneously, driving assembly is driven to control mixing drum 2, so that mixing drum 2 rotates along the bottom end side around base 1, so that the asphalt concrete of mixing preparation is guided from opening 4, the improvement of production efficiency is realized, and, by moving mixing shaft 3 out of mixing drum 2, and the top end of mixing drum 2 is provided with opening 4, it can be convenient for staff to directly wash mixing drum 2 inside and mixing shaft 3, improve cleaning efficiency.

[0036] In the technical scheme, base 1 is preferably but not limited to fixed on the support of higher height, when mixing drum 2 guides asphalt concrete, the material car located at low place can be moved to the guide exit in advance, and the asphalt concrete of mixing preparation is directly poured into the material car, to improve work efficiency.

[0037] Further, it further includes:

[0038] Turnover plate 7, mixing drum 2 is fixedly connected on the top surface of turnover plate 7, first supporting block 8 is fixedly connected on the bottom end side of turnover plate 7, second supporting block 9 is fixedly connected on the side of the top surface of base 1 away from first cylinder 5, and the overlapping part of first supporting block 8 and second supporting block 9 is provided with rotating shaft 10, and the driving end of driving assembly is connected with turnover plate 7, so that turnover plate 7 rotates around rotating shaft 10.

[0039] First supporting block 8 and second supporting block 9 are connected through rotating shaft 10, and first supporting block 8 is fixedly connected with turnover plate 7, and second supporting plate is fixedly connected with base 1, so that turnover plate 7 can be rotatably connected with base 1 around rotating shaft 10.

[0040] Further, the driving assembly includes:

[0041] At least one second cylinder 11 is hinged in a first through slot formed in the base 1, and the piston end of the second cylinder 11 is hinged in the middle of the bottom surface of the turnover plate 7; at least one third cylinder 12 is hinged in a second through slot formed in the base 1, and the piston end of the third cylinder 12 is hinged on the side of the bottom surface of the turnover plate 7 away from the rotating shaft 10; wherein the first through slot and the second through slot are perpendicular to the axis direction of the rotating shaft 10, and the second cylinder 11 and the third cylinder 12 are cross arranged.

[0042] Referring to Fig. 2 , Fig. 3 Under the common support of the second cylinder 11 and the third cylinder 12, the turnover plate 7 rotates around the rotating shaft 10 together with the stirring drum 2, and the second cylinder 11 and the third cylinder 12 are cross arranged, the second cylinder 11 is hinged in the middle of the turnover plate 7, and the third cylinder 12 is hinged on the side of the turnover plate 7 away from the rotating shaft 10, thereby forming a lifting area on the side of the turnover plate 7 away from the rotating shaft 10, effectively controlling the turnover of the turnover plate 7 around the rotating shaft 10, and guaranteeing the rotation stability of the turnover plate 7.

[0043] Further, it also includes:

[0044] The cushion block 13 is fixedly connected to the top surface of the base 1, and the side of the turnover plate 7 away from the first supporting block 8 abuts against the cushion block 13, and when the turnover plate 7 abuts against the cushion block 13, the turnover plate 7 is horizontally distributed.

[0045] The turnover plate 7 is supported by the cushion block 13, and since the first supporting block 8 and the second supporting plate are connected by the rotating shaft 10, a structural height is generated, so that the cushion block 13 keeps the stirring drum 2 horizontal during the mixing and stirring of the stirring shaft 3.

[0046] Further, the top end of the stirring drum 2 near the side of the rotating shaft 10 is fixedly connected with a guide plate 14, the top surface of the guide plate 14 is arc-shaped structure, and the guide plate 14 extends a guide channel in the direction away from the opening 4.

[0047] The guide channel formed by the guide plate 14 guides the asphalt concrete in the direction from the opening 4 to the discharge of the stirring drum 2, and in the process of overturning the stirring drum 2, the asphalt concrete can be prevented from flowing to the outer wall of the stirring drum 2 due to insufficient inclination angle of the stirring drum 2.

[0048] Further, the base 1 away from the stirring drum 2 is fixedly connected with a bottom plate 15, the top surface of the bottom plate 15 is connected with a connecting plate 16, the first cylinder 5 is fixedly connected to the top surface of the connecting plate 16, the bottom plate 15 is provided with a rotating part, and the rotating end of the rotating part is connected with the connecting plate 16, so that the stirring shaft 3 rotates around the connecting plate 16.

[0049] The connecting plate 16 is driven to rotate by the rotating part, and after the first cylinder 5 lifts the stirring shaft 3 out of the stirring drum 2, the stirring shaft 3 is separated from the stirring drum 2 by rotating the connecting plate 16, which is convenient for personnel to clean separately.

[0050] Further, the rotating member comprises:

[0051] The step motor 17 is fixed on the bottom plate 15, and the output shaft of the step motor 17 is fixed with a driving gear 18, and the outer circumferential side of the connecting plate 16 is fixed with a gear 20, and the connecting plate 16 is engaged with the driving gear 18.

[0052] The rotation angle of the driving gear 18 is controlled by the step motor 17, so as to accurately adjust the rotation of the connecting plate 16, and control the separation of the stirring shaft 3 and the stirring drum 2.

[0053] Further, the bottom surface of the fixed rod is fixed with a driving motor 19, and the output shaft of the driving motor 19 is coaxially fixed with the stirring shaft 3.

[0054] The stirring shaft 3 is driven to rotate by the driving motor 19, and after the first air cylinder 5 lowers the stirring shaft 3 into the stirring drum 2, the stirring shaft 3 is started to rotate for mixing and stirring.

[0055] The working principle of the asphalt concrete mixing device is as follows:

[0056] The asphalt and the mixed aggregate are introduced into the stirring drum 2, the driving motor 19 is started to mix, and after a certain time of mixing, the driving motor 19 stops the stirring shaft 3, the first air cylinder 5 drives the fixed rod 6 to lift, so that the stirring shaft 3 is lifted out of the stirring drum 2, then the step motor 17 rotates the connecting plate 16, so that the vertical projection of the stirring shaft 3 is away from the stirring drum 2, the second air cylinder 11 and the third air cylinder 12 are started to rotate the turnover plate 7 around the rotating shaft 10, and the stirring drum 2 is overturned to the inclined downward of the guide plate 14, the material car is moved to the discharging position of the guide plate 14 in advance, so that the mixed asphalt concrete is directly introduced into the material car, then the stirring drum 2 is kept inclined, and the staff member extends the long-handled scraper into the stirring drum 2 to scrape out the residual asphalt concrete along the direction of the guide plate 14, and the stirring shaft 3 can also be cleaned, so as to realize the cleaning of the stirring drum 2 and the stirring shaft 3.

[0057] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the indicated device or element must have a specific orientation, a specific orientation and operation, therefore it cannot be understood as a limitation on the utility model.

[0058] The above-described embodiments are merely preferred modes of the present application, and are not intended to limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those of ordinary skill in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application as defined by the claims.

Claims

1. An asphalt concrete mixing plant, characterized in that Include: Base (1) ; Mixing drum (2) is arranged on the top surface of the base (1), the base (1) is provided with a driving assembly, the driving end of the driving assembly is connected with the mixing drum (2), the bottom end of the mixing drum (2) is rotatably connected with the base (1), the top end of the mixing drum (2) is provided with an opening (4), and the opening (4) is used for discharging asphalt concrete; The stirring shaft (3) is connected in the stirring drum (2), the first cylinder (5) is fixedly connected on the base (1), the piston end of the first cylinder (5) is fixedly connected with the fixed rod (6), the stirring shaft (3) is rotatably fixed with the fixed rod (6), and the stirring shaft (3) is lifted relative to the opening (4).

2. The asphalt concrete mixing plant of claim 1, wherein Also include: The overturning plate (7) is fixedly connected on the top surface of the overturning plate (7), the bottom end of the overturning plate (7) is fixedly connected with the first supporting block (8), the top surface of the base (1) is fixedly connected with the second supporting block (9) away from the first cylinder (5), the overlapping part of the first supporting block (8) and the second supporting block (9) is provided with a rotating shaft (10), the driving end of the driving assembly is connected with the overturning plate (7), so that the overturning plate (7) rotates around the rotating shaft (10).

3. The asphalt concrete mixing apparatus of claim 2, wherein, The driving assembly comprises: At least one second cylinder (11) is hinged in the first through slot formed in the base (1), and the piston end of the second cylinder (11) is hinged in the middle of the bottom surface of the overturning plate (7); At least one third cylinder (12) is hinged in the second through slot formed in the base (1), and the piston end of the third cylinder (12) is hinged on the side of the bottom surface of the overturning plate (7) away from the rotating shaft (10); Wherein, the first through slot and the second through slot are perpendicular to the axis direction of the rotating shaft (10), and the second cylinder (11) and the third cylinder (12) are arranged in cross.

4. The asphalt concrete mixing apparatus of claim 2, wherein Also include: The cushion block (13) is fixedly connected on the top surface of the base (1), the side of the overturning plate (7) away from the first supporting block (8) is abutted with the cushion block (13), and when the overturning plate (7) is abutted with the cushion block (13), the overturning plate (7) is horizontally distributed.

5. The asphalt concrete mixing apparatus of claim 2, wherein: The top end of the mixing drum (2) is fixedly connected with a guide plate (14) on the side close to the rotating shaft (10), the top surface of the guide plate (14) is arc-shaped structure, and the guide plate (14) extends out of the discharging channel in the direction away from the opening (4).

6. The asphalt concrete mixing apparatus of claim 1, wherein: The base (1) is fixedly connected with a bottom plate (15) on the side away from the mixing drum (2), the top surface of the bottom plate (15) is connected with a connecting plate (16), the first cylinder (5) is fixedly connected on the top surface of the connecting plate (16), and the bottom plate (15) is provided with a rotating part, the rotating end of the rotating part is connected with the connecting plate (16), so that the stirring shaft (3) rotates around the connecting plate (16).

7. The asphalt concrete mixing apparatus of claim 6, wherein The rotating part comprises: A stepping motor (17) is fixed to the bottom plate (15), and an output shaft of the stepping motor (17) is fixed with a driving gear (18), and a periphery side of the connecting plate (16) is fixed with a gear (20), and the connecting plate (16) is engaged with the driving gear (18).

8. The asphalt concrete mixing apparatus of claim 1, wherein: A driving motor (19) is fixed to a bottom surface of the fixed rod, and an output shaft of the driving motor (19) is fixed coaxially with the stirring shaft (3).

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