Mixing device for concrete preparation

Abstract

The utility model is applicable to the technical field of cement mixing devices, and provides a mixing device for concrete preparation, which comprises a containing cylinder, a first expansion cylinder is arranged at the bottom of the containing cylinder, a second expansion cylinder is arranged at the top of the first expansion cylinder, a mounting rack is arranged at the top of the second expansion cylinder, the mounting rack is inverted U-shaped, and a plurality of cement mixing devices are arranged on the mounting rack. A first supporting ring is fixedly connected to the inner circumference of the first expansion cylinder, a second supporting ring is fixedly connected to the interior of the second expansion cylinder, and the inner diameter of the first expansion cylinder is matched with the outer diameter of the containing cylinder. When the device is used, the containing cylinder, the first expansion cylinder and the second expansion cylinder can be stacked to form a containing cavity with a large size, meanwhile, the expanded stirring mechanism is matched, cement in the containing cavity can be stirred, and when the device needs to be stored, the device is convenient to use. The containing cylinder, the first expansion cylinder and the second expansion cylinder can be stacked to form a containing cavity with a small size, and the stirring mechanism can be contracted and stored in the containing cavity.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cement mixing device, especially involve a mixing device for concrete preparation. BACKGROUND

[0002] The concrete refers to the artificial stone material which is formed by cement as the main cementitious material, water, sand, stone, and if necessary, mixing chemical admixture and mineral admixture, according to the appropriate proportion, uniform stirring, compaction forming and curing hardening, concrete is mainly divided into two stages and state: the plastic state before setting and hardening, namely fresh concrete or concrete mixture, the hard state after hardening, namely hardened concrete or concrete.

[0003] But now if the mixed cement quantity is relatively large, large cement mixing device is used to mix cement, if the mixed cement quantity is relatively small, artificial mixing is used, but artificial mixing of cement is troublesome and laborious, and the large cement mixing device is inconvenient to transport. UTILITY MODEL CONTENT

[0004] The utility model provides a mixing device for concrete preparation, aims at solving the problem of using artificial mixing of cement being troublesome and laborious and the large cement mixing device being inconvenient to transport mentioned in the background art.

[0005] The utility model is such a realization, a mixing device for concrete preparation, including accommodating cylinder, the first expansion cylinder is equipped at accommodating cylinder bottom, the second expansion cylinder is equipped at first expansion cylinder top, the mounting bracket is equipped at second expansion cylinder top, the mounting bracket is equipped with " inverted U " shape, first support ring is fixedly connected in the first expansion cylinder inner periphery, second support ring is fixedly connected in the second expansion cylinder inside, the first expansion cylinder inner diameter is matched with accommodating cylinder outer diameter, the second expansion cylinder inner diameter is matched with first expansion cylinder outer diameter, the connecting structure is equipped between second expansion cylinder and mounting bracket, the connecting structure is used for the fixed connection between mounting bracket and second expansion cylinder,

[0006] Stepping motor is fixedly connected at the mounting bracket top, the stirring mechanism is equipped at the mounting bracket bottom, and the stirring mechanism is used for the stirring of cement paste in the device,

[0007] The first support ring in the first expansion cylinder is arranged at the upper part of the inner side of the first expansion cylinder, and the first support ring in the second expansion cylinder is arranged at the upper part of the inner side of the second expansion cylinder.

[0008] When a larger amount of cement paste needs to be mixed, first, the containing cylinder is placed on the bottom, then the first expansion cylinder is reversely sleeved on the containing cylinder until the bottom of the first supporting ring abuts against the containing cylinder, then the second expansion cylinder is reversely sleeved on the first expansion cylinder until the bottom of the second supporting ring abuts against the first expansion cylinder, at this time, the containing cylinder, the inverted first expansion cylinder and the inverted second expansion cylinder are combined into a containing bin with a larger volume and a higher height;

[0009] When the device needs to be stored, first, the containing cylinder is placed on the bottom, then the first expansion cylinder is forwardly sleeved on the containing cylinder until the bottom of the first supporting ring abuts against the containing cylinder, then the second expansion cylinder is forwardly sleeved on the first expansion cylinder until the bottom of the second supporting ring abuts against the first expansion cylinder, at this time, the containing cylinder, the forward first expansion cylinder and the forward second expansion cylinder are combined into a containing bin with a lower height.

[0010] Preferably, the connecting structure comprises two insertion grooves, the two insertion grooves are respectively arranged on the two sides of the second expansion cylinder, the two sides of the mounting frame are respectively screw-connected with two fixing bolts, and the two fixing bolts are respectively inserted into the two insertion grooves.

[0011] The mounting frame is prevented on the second expansion cylinder, and the two fixing bolts are respectively rotated, so that the ends of the two fixing bolts are respectively inserted into the two insertion grooves, and the mounting frame can be connected and fixed.

[0012] Preferably, the stirring mechanism comprises a telescopic structure and a locking structure, the telescopic structure is used for adjusting the length of the stirring mechanism, and the locking structure is used for locking the telescopic structure after adjustment.

[0013] Preferably, the telescopic structure comprises a connecting cylinder and two extension cylinders which are slidably sleeved at the two ends of the connecting cylinder, and the output shaft of the stepping motor is fixedly connected with one of the extension cylinders.

[0014] First stirring rods are arranged on the two sides of the connecting cylinder, and second stirring rods are fixedly connected with the two ends of the extension cylinders.

[0015] The distance between the two extension cylinders can be adjusted by sliding the extension cylinders at the two ends of the connecting cylinder, so that the length of the stirring mechanism can be adjusted.

[0016] Preferably, the locking structure comprises a locking groove and a rotating rod, the locking groove is arranged in two groups, the two groups of locking grooves are respectively arranged in the inner circumferences of the two extension cylinders, and the number of the locking grooves in each group is two.

[0017] The number of the rotating rods is two, the rotating rods are rotatably connected with the two sides of the connecting cylinder, and the outer circumferences of the rotating rods are screw-threaded.

[0018] The end of the rotating rod is fixedly connected with the adjacent first stirring rod, a moving rod is threadedly connected to the outer periphery of the rotating rod, locking rods are fixedly connected to the two ends of the side wall of the moving rod, the middle portions of the two locking rods are provided through the connecting barrel, the two locking rods are slidably connected with the connecting barrel, and the ends of the two locking rods are matched with the adjacent locking grooves, respectively.

[0019] By sliding the extension barrels at the two ends of the connecting barrel, the two extension barrels are unfolded, the first stirring rod is rotated to drive the rotating rod to rotate, the rotating rod drives the moving rod connected with the rotating rod to move, the moving rod drives the locking rods at the two ends to be inserted into the locking grooves in the two extension barrels, respectively, and thus the locking of the two extension barrels can be completed.

[0020] Compared with the prior art, the concrete preparation mixing device has the advantages that:

[0021] When the device is used, the containing barrel, the first expansion barrel and the second expansion barrel can be stacked to form a large-volume containing cavity, and the expanded stirring mechanism can stir the cement in the containing cavity; when the device needs to be stored, the containing barrel, the first expansion barrel and the second expansion barrel can be stacked to form a small-volume containing cavity, and the stirring mechanism can be retracted and stored in the containing cavity. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the expanded structure of the utility model;

[0024] Figure 3 It is an exploded view of the utility model;

[0025] Figure 4 It is a schematic diagram of the locking structure of the utility model;

[0026] Figure 5 It is a schematic diagram of the locking structure of the utility model; Figure 4 A structure of the utility model is enlarged.

[0027] In the drawing:

[0028] 1, containing barrel; 11, first expansion barrel; 12, second expansion barrel; 13, mounting frame; 14, first supporting ring; 15, second supporting ring; 16, stepping motor;

[0029] 2, connecting structure; 21, insertion slot; 22, fixing bolt;

[0030] 3, stirring mechanism;

[0031] 31, telescopic structure; 311, connecting cylinder; 312, extending cylinder; 313, first stirring rod; 314, second stirring rod;

[0032] 32, locking structure; 321, locking groove; 322, rotating rod; 323, moving rod; 324, locking rod. DETAILED DESCRIPTION

[0033] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0034] The components of the embodiments of the present application generally described and shown in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application.

[0035] Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present application.

[0036] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0037] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] Please refer to Figures 1-5The utility model provides a technical scheme: a mixing device for concrete preparation, including containing cylinder 1, containing cylinder 1 bottom is equipped with the first expansion cylinder 11, the first expansion cylinder 11 top is equipped with the second expansion cylinder 12, the second expansion cylinder 12 top is equipped with mounting bracket 13, mounting bracket 13 is equipped with " inverted U " shape, the first expansion cylinder 11 inner periphery fixedly connected with first support ring 14, the second expansion cylinder 12 inside fixedly connected with second support ring 15, the first expansion cylinder 11 inner diameter is matched with containing cylinder 1 outer diameter, the second expansion cylinder 12 inner diameter is matched with the first expansion cylinder 11 outer diameter, and the second expansion cylinder 12 with mounting bracket 13 between is equipped with connecting structure 2, and connecting structure 2 is used for the fixed connection between mounting bracket 13 and the second expansion cylinder 12,

[0039] Mounting bracket 13 top fixedly connected with step motor 16, and mounting bracket 13 bottom is equipped with stirring mechanism 3, and stirring mechanism 3 is used to stir the cement paste in the device.

[0040] Further, connecting structure 2 includes slot 21, and the number of slot 21 is two, two slot 21 are respectively set up in the two sides of second expansion cylinder 12, and the two sides of mounting bracket 13 are all screw-connected with fixed bolt 22, and two fixed bolts 22 are respectively connected with two.

[0041] Further, stirring mechanism 3 includes telescopic structure 31 and locking structure 32, telescopic structure 31 is used to adjust the length of stirring mechanism 3, and locking structure 32 is used to lock the telescopic structure 31 after adjustment.

[0042] Further, telescopic structure 31 includes connecting cylinder 311, and the both ends of connecting cylinder 311 are slidably sleeved with extension cylinder 312, and the output shaft of step motor 16 is fixedly connected with one of extension cylinder 312.

[0043] The both sides of connecting cylinder 311 are equipped with first stirring rod 313, and the both ends of extension cylinder 312 are fixedly connected with second stirring rod 314.

[0044] Further, locking structure 32 includes locking groove 321 and rotating rod 322, locking groove 321 is equipped with two groups, and two groups of locking groove 321 are respectively set up in the inner periphery of two extension cylinders 312, and the number of each group of locking groove 321 is two.

[0045] The number of rotating rod 322 is two, and the both sides of connecting cylinder 311 are respectively rotatably connected with two rotating rods 322, and the outer periphery of two rotating rods 322 is all equipped with screw thread.

[0046] The end of the rotating rod 322 is fixedly connected with the adjacent first stirring rod 313, the outer periphery of the rotating rod 322 is threadedly connected with a moving rod 323, the side wall of the moving rod 323 is fixedly connected with locking rods 324 at both ends, the middle portions of the two locking rods 324 are arranged through the connecting barrel 311, the two locking rods 324 are slidably connected with the connecting barrel 311, and the end portions of the two locking rods 324 are matched with the adjacent locking grooves 321 respectively.

[0047] The working principle and use process of the utility model are as follows:

[0048] When more cement paste needs to be mixed, first, the containing barrel 1 is placed on the bottom, then the first expansion barrel 11 is reversely sleeved on the containing barrel 1 until the bottom of the first supporting ring 14 abuts against the containing barrel 1, then the second expansion barrel 12 is reversely sleeved on the first expansion barrel 11 until the bottom of the second supporting ring 15 abuts against the first expansion barrel 11, at this time, the containing barrel 1, the inverted first expansion barrel 11 and the inverted second expansion barrel 12 are combined into a higher and larger containing bin, and then the raw materials such as sand, gravel, lime and water can be added into the containing bin;

[0049] By slidingly adjusting the extension barrels 312 at both ends of the connecting barrel 311, the two extension barrels 312 are unfolded, the first stirring rod 313 is rotated to drive the rotating rod 322 to rotate, the rotating rod 322 drives the moving rod 323 connected with the rotating rod 322 to move, the moving rod 323 drives the locking rods 324 at both ends to be inserted into the locking grooves 321 in the two extension barrels 312 respectively, and thus the locking of the two extension barrels 312 can be completed.

[0050] The mounting frame 13 is prevented on the second expansion barrel 12, and the two fixed bolts 22 are rotated respectively, so that the ends of the two fixed bolts 22 are inserted into the two insertion grooves 21 respectively, and thus the mounting frame 13 can be connected and fixed;

[0051] Then the stepping motor 16 drives the two extension barrels 312 and the connecting barrel 311 to rotate, and then drives the two first stirring rods 313 on the outer periphery of the connecting barrel 311 and the two second stirring rods 314 on the outer periphery of the two extension barrels 312 to rotate, and thus the cement raw materials in the containing cavity can be mixed.

Claims

1. A mixing device for the preparation of concrete, comprising a containing drum (1), characterized in that: The bottom of the containing cylinder (1) is provided with a first expansion cylinder (11), the top of the first expansion cylinder (11) is provided with a second expansion cylinder (12), the top of the second expansion cylinder (12) is provided with a mounting rack (13), the mounting rack (13) is provided as an "inverted U" shape, the inner periphery of the first expansion cylinder (11) is fixedly connected with a first support ring (14), the inner periphery of the second expansion cylinder (12) is fixedly connected with a second support ring (15), the inner diameter of the first expansion cylinder (11) matches the outer diameter of the containing cylinder (1), the inner diameter of the second expansion cylinder (12) matches the outer diameter of the first expansion cylinder (11), a connecting structure (2) is arranged between the second expansion cylinder (12) and the mounting rack (13), and the connecting structure (2) is used for fixed connection between the mounting rack (13) and the second expansion cylinder (12). The top of the mounting rack (13) is fixedly connected with a stepping motor (16), and the bottom of the mounting rack (13) is provided with a stirring mechanism (3) for stirring the cement slurry in the device.

2. A mixing device for the preparation of concrete according to claim 1, characterized in that: The connecting structure (2) comprises two insertion grooves (21), the two insertion grooves (21) are respectively arranged on the two sides of the second expansion cylinder (12), the two sides of the mounting rack (13) are threadedly connected with two fixed bolts (22), and the two fixed bolts (22) are respectively connected with the two.

3. A mixing device for the preparation of concrete according to claim 1, characterized in that: The stirring mechanism (3) comprises a telescopic structure (31) and a locking structure (32), the telescopic structure (31) is used for adjusting the length of the stirring mechanism (3), and the locking structure (32) is used for locking the adjusted telescopic structure (31).

4. A mixing device for the preparation of concrete according to claim 3, characterized in that: The telescopic structure (31) comprises a connecting cylinder (311), both ends of the connecting cylinder (311) are slidably sleeved with an extension cylinder (312), and the output shaft of the stepping motor (16) is fixedly connected with one of the extension cylinders (312). The two sides of the connecting cylinder (311) are provided with first stirring rods (313), and the two ends of the extension cylinder (312) are fixedly connected with second stirring rods (314).

5. A mixing device for the preparation of concrete according to claim 4, characterized in that: The locking structure (32) comprises locking grooves (321) and rotating rods (322), the locking grooves (321) are provided in two groups, the two groups of locking grooves (321) are respectively arranged in the inner peripheries of the two extension cylinders (312), and each group of locking grooves (321) is provided in two. The two rotating rods (322) are respectively rotatably connected to the two sides of the connecting cylinder (311), and the outer peripheries of the two rotating rods (322) are provided with threads. The end of the rotating rod (322) is fixedly connected with the adjacent first stirring rod (313), the outer periphery of the rotating rod (322) is threadedly connected with a moving rod (323), the side walls of the moving rod (323) are fixedly connected with locking rods (324) at both ends, the middle portions of the two locking rods (324) penetrate through the connecting cylinder (311), the two locking rods (324) are slidably connected with the connecting cylinder (311), and the end portions of the two locking rods (324) are respectively matched with the adjacent locking grooves (321).

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