Special stirrer for preparing recycled concrete

Abstract

The utility model relates to the technical field of concrete preparation, in particular to a special stirrer for recycled concrete preparation, which comprises a tank body, a first motor is arranged at the bottom of the tank body, a rotating rod is rotatably connected to a transmission end of the first motor, a stirring rod is fixedly connected to the rotating rod, a placement frame is arranged on the tank body, and the placement frame is fixedly connected to the stirring rod. A first connecting shaft and a second connecting shaft are rotationally connected to the interior of the placement frame, the first connecting shaft and the second connecting shaft are each fixedly connected with a crushing roller, the portions, located in the side wall of the placement frame, of the first connecting shaft and the second connecting shaft are each fixedly connected with a gear, and the two gears are meshed with each other; a second motor is arranged on one side of the placement frame; the waste aggregate crushing device has the advantages that waste aggregate can be further crushed before being stirred, and more large-particle aggregate is prevented from being contained in the stirring process, so that blockage during stirring is reduced, abrasion between the waste aggregate crushing device and a stirrer is reduced, and the service life of the stirrer is guaranteed.

Description

Technical Field

[0001] The utility model relates to a concrete preparation mixer, in particular to a special mixer for recycled concrete preparation, belonging to the technical field of concrete preparation. Background Art

[0002] Recycled concrete refers to new concrete made by crushing and cleaning discarded concrete blocks, mixing them with grading in a certain proportion, partially or completely replacing natural aggregates such as sand and gravel, and then adding cement, water, etc.; in the preparation process of recycled concrete, material mixing is also a very important preparation step.

[0003] Traditional concrete mixers are mostly used to directly pour aggregates for mixing. However, since recycled concrete is made of waste materials, even if the waste materials have been processed to a certain extent, they will still contain a large amount of large-particle aggregates, which can easily cause the mixer to be blocked during mixing. In addition, too many large-particle aggregates will increase the wear between the mixer and the concrete, thereby affecting the service life of the mixer. Utility Model Content

[0004] The purpose of the utility model is to provide a special mixer for preparing recycled concrete in order to solve the above-mentioned problem. The mixer can further crush the waste aggregate before mixing to avoid containing a large number of large-particle aggregates during the mixing process, thereby reducing blockage during mixing. At the same time, it also reduces the wear between the mixer and the concrete, ensuring the service life of the mixer.

[0005] The utility model achieves the above-mentioned purpose through the following technical scheme: a special mixer for preparing recycled concrete, including a tank body, a stirring mechanism is provided on the tank body, the stirring mechanism includes a first motor, a first motor is provided at the bottom of the tank body, a rotating rod is rotatably connected to the transmission end of the first motor, the rotating rod is rotatably connected to the inside of the tank body, a stirring rod is fixedly connected to the rotating rod, a crushing mechanism is provided on the tank body, the crushing mechanism includes a placement frame, a placement frame is provided on the tank body, a first connecting shaft and a second connecting shaft are rotatably connected inside the placement frame, a crushing roller is fixedly connected to the first connecting shaft and the second connecting shaft, respectively, the first connecting shaft and the second connecting shaft are located inside the side wall of the placement frame and are respectively fixedly connected with a gear, the two gears are meshed with each other, a second motor is provided on one side of the placement frame, and the transmission end of the second motor extends to the inside of the placement frame and is connected to the first connecting shaft.

[0006] Preferably, a support mechanism is provided on the tank body, and the support mechanism includes a support rod, and the tank body is fixedly connected to a support rod, and the tank body is fixedly connected to a plurality of support rods, and the plurality of support rods are distributed in a circular array with the bottom center of the tank body as the center of the circle.

[0007] Preferably, a cross bar is fixedly connected between two adjacent support rods, and a support block is fixedly connected to the bottom of the support rod.

[0008] Preferably, a placement plate is provided at the bottom of the tank body, the placement plate is circular, and the first motor is arranged on the placement plate.

[0009] Preferably, a connecting rod is fixedly connected to the cross bar, and the connecting rod is fixedly connected to the placement plate.

[0010] Preferably, there are multiple stirring rods, and the inclination angles of the multiple stirring rods are different, and the ends of the stirring rods are fixedly connected with scrapers.

[0011] Preferably, the tank body is provided with a discharging mechanism, the discharging mechanism comprises a pin shaft and a discharging cover plate, and the bottom of the tank body is rotatably connected to the discharging cover plate via the pin shaft.

[0012] Preferably, a handle is fixedly connected to the discharge cover plate, and the handle is cylindrical.

[0013] Preferably, a fixing block is fixedly connected to the tank body, and the placement frame is arranged on the fixing block.

[0014] Preferably, a mounting plate is fixedly connected to the placement frame, and the second motor is arranged on the mounting plate.

[0015] The beneficial effect of the utility model is that when preparing recycled concrete, the user can first put the corresponding natural aggregate into the tank body, and at the same time connect the first motor to power, then the first motor rotates to drive the rotating rod to rotate, and with the rotation of the rotating rod, it will drive the stirring rod to rotate together, and then the aggregate inside the tank body is stirred and mixed, at the same time, the second motor can be connected to power, and the corresponding waste aggregate is put into the placement frame, then the second motor rotates to drive the first connecting shaft to rotate, the first connecting shaft rotates to drive a gear and a crushing roller to rotate, then the rotating gear drives another gear to rotate in the opposite direction, and then drives the other crushing roller to start rotating, then the two crushing rollers rotate towards each other, and the waste aggregate put into the placement frame is crushed, and then falls into the tank body for stirring and mixing, so that the waste aggregate can be further crushed before stirring, avoiding the presence of a large number of large-particle aggregates during the stirring process, reducing the blockage during stirring, and also reducing the wear between the mixer and the mixer, ensuring the service life of the mixer. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the connection structure of the tank body, the supporting mechanism, the stirring mechanism and the crushing mechanism of the utility model;

[0018] Figure 3 It is a schematic diagram of the connection structure of the placement frame, the fixing block, the mounting plate and the second motor of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the crushing mechanism of the utility model;

[0020] Figure 5 for Figure 2 A schematic diagram of the enlarged structure of part A is shown.

[0021] In the figure: 1. tank body; 2. supporting mechanism; 201. supporting rod; 202. supporting block; 203. cross bar; 3. stirring mechanism; 301. connecting rod; 302. mounting plate; 303. first motor; 304. rotating rod; 305. stirring rod; 306. scraper; 4. discharging mechanism; 401. pin shaft; 402. discharging cover plate; 403. handle; 5. crushing mechanism; 501. mounting frame; 502. fixing block; 503. mounting plate; 504. second motor; 505. first connecting shaft; 506. second connecting shaft; 507. gear; 508. crushing roller. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-5 As shown, a special mixer for preparing recycled concrete includes a tank body 1, a stirring mechanism 3 is provided on the tank body 1, and the stirring mechanism 3 includes a first motor 303. The first motor 303 is provided at the bottom of the tank body 1. A rotating rod 304 is rotatably connected to the transmission end of the first motor 303. The rotating rod 304 is rotatably connected to the inside of the tank body 1. A stirring rod 305 is fixedly connected to the rotating rod 304. A crushing mechanism 5 is provided on the tank body 1. The crushing mechanism 5 includes a placement frame 501. The tank body 1 is provided with a placement frame 501. The interior of the placement frame 501 is rotatably connected with a first connecting shaft 505 and a second connecting shaft 506, and a crushing roller 508 is fixedly connected to the first connecting shaft 505 and the second connecting shaft 506 respectively. The first connecting shaft 505 and the second connecting shaft 506 are located inside the side wall of the placement frame 501 and are fixedly connected with a gear 507 respectively, and the two gears 507 are meshed with each other. A second motor 504 is provided on one side of the placement frame 501, and the transmission end of the second motor 504 extends to the interior of the placement frame 501 and is connected to the first connecting shaft 505.

[0024] As a technical optimization scheme of the utility model, a support mechanism 2 is provided on the tank body 1, and the support mechanism 2 includes a support rod 201, and the tank body 1 is fixedly connected with the support rod 201, and multiple support rods 201 are fixedly connected to the tank body 1, and the multiple support rods 201 are distributed in a circular array with the center of the bottom surface of the tank body 1 as the center of the circle, in order to facilitate the fixed support of the entire device; a cross bar 203 is fixedly connected between two adjacent support rods 201, and a support block 202 is fixedly connected to the bottom of the support rod 201, in order to further improve the stability of the support rod 201.

[0025] As a technical optimization solution of the utility model, a placement plate 302 is provided at the bottom of the tank body 1, and the placement plate 302 is circular. The first motor 303 is arranged on the placement plate 302 to facilitate the placement of the first motor 303; a connecting rod 301 is fixedly connected to the cross bar 203, and the connecting rod 301 is fixedly connected to the placement plate 302 to facilitate the fixation of the placement plate 302.

[0026] As a technical optimization solution of the utility model, there are multiple stirring rods 305, and the inclination angles of the multiple stirring rods 305 are different. The ends of the stirring rods 305 are fixedly connected with scrapers 306 to further improve the stirring effect of the stirring rods 305 on the materials.

[0027] As a technical optimization solution of the utility model, the tank body 1 is provided with a discharging mechanism 4, and the discharging mechanism 4 includes a pin shaft 401 and a discharging cover plate 402. The bottom of the tank body 1 is rotatably connected to the discharging cover plate 402 through the pin shaft 401, in order to facilitate the control of the discharge of concrete inside the tank body 1; the discharging cover plate 402 is fixedly connected with a handle 403, and the handle 403 is cylindrical, in order to facilitate manual operation of the discharging cover plate 402.

[0028] As a technical optimization solution of the utility model, a fixing block 502 is fixedly connected to the tank body 1, and the placement frame 501 is arranged on the fixing block 502. Through the fixing block 502, the placement frame 501 is conveniently placed.

[0029] As a technical optimization solution of the present invention, a mounting plate 503 is fixedly connected to the placement frame 501, and the second motor 504 is arranged on the mounting plate 503. The mounting plate 503 is used to facilitate the placement of the second motor 504.

[0030] When the utility model is used, first, the tank body 1 is fixedly placed at a desired suitable position through the support rod 201 and the support block 202 to complete the preparation work before the use of the device; when preparing recycled concrete, the user can first put the corresponding natural aggregate into the tank body 1, and at the same time, the first motor 303 is connected to the power supply, and the first motor 303 rotates to drive the rotating rod 304 to rotate. As the rotating rod 304 rotates, the stirring rod 305 and the scraper 306 are driven to rotate together, thereby stirring and mixing the aggregate inside the tank body 1. At the same time, the second motor 504 can be connected to the power supply, and the corresponding waste aggregate is put into the placement frame 501. The rotation of the second motor 504 drives the first connecting shaft 505 to rotate, and the rotation of the first connecting shaft 505 drives a gear 507 and a crushing roller 508 rotate, the rotating gear 507 drives the other gear 507 to rotate in the opposite direction, and then drives the other crushing roller 508 to start rotating, then the two crushing rollers 508 rotate in the same direction, and the waste aggregates put into the placement frame 501 are crushed, and then fall into the tank body 1 for mixing, so that the waste aggregates can be further crushed before mixing, avoiding the presence of a large number of large-particle aggregates during the mixing process, reducing blockage during mixing, and also reducing the wear between the mixer and the mixer, ensuring the service life of the mixer; and after the mixing is completed, the handle 403 can be held to open the discharge cover 402, so that the mixed concrete in the tank body 1 can be discharged through the corresponding discharge port.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0032] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A mixer for preparing recycled concrete, comprising a tank (1), characterized in that: The tank body (1) is provided with a stirring mechanism (3), the stirring mechanism (3) comprising a first motor (303), the first motor (303) being provided at the bottom of the tank body (1), a rotating rod (304) being rotatably connected to a transmission end of the first motor (303), the rotating rod (304) being rotatably connected to the inside of the tank body (1), a stirring rod (305) being fixedly connected to the rotating rod (304), a crushing mechanism (5) being provided on the tank body (1), the crushing mechanism (5) comprising a placement frame (501), the placement frame (501) being provided on the tank body (1), the placement frame (501) being A first connecting shaft (505) and a second connecting shaft (506) are rotatably connected inside, and a crushing roller (508) is fixedly connected to the first connecting shaft (505) and the second connecting shaft (506) respectively. The first connecting shaft (505) and the second connecting shaft (506) are located inside the side wall of the placement frame (501) and are fixedly connected to a gear (507) respectively. The two gears (507) are meshed with each other. A second motor (504) is provided on one side of the placement frame (501), and a transmission end of the second motor (504) extends into the inside of the placement frame (501) and is connected to the first connecting shaft (505).

2. A mixer specially used for preparing recycled concrete according to claim 1, characterized in that: The tank body (1) is provided with a support mechanism (2), the support mechanism (2) comprising a support rod (201), the tank body (1) being fixedly connected to the support rod (201), the tank body (1) being fixedly connected to a plurality of support rods (201), the plurality of support rods (201) being distributed in a circular array with the center of the bottom surface of the tank body (1) as the center of the circle.

3. A mixer specially used for preparing recycled concrete according to claim 2, characterized in that: A cross bar (203) is fixedly connected between two adjacent support bars (201), and a support block (202) is fixedly connected to the bottom of the support bar (201).

4. A mixer specially used for preparing recycled concrete according to claim 1, characterized in that: A placement plate (302) is provided at the bottom of the tank body (1), the placement plate (302) is circular, and the first motor (303) is arranged on the placement plate (302).

5. A mixer for preparing recycled concrete according to claim 3, characterized in that: A connecting rod (301) is fixedly connected to the crossbar (203), and the connecting rod (301) is fixedly connected to the placement plate (302).

6. A mixer for preparing recycled concrete according to claim 1, characterized in that: A plurality of stirring rods (305) are provided, and the plurality of stirring rods (305) have different inclination angles. A scraper (306) is fixedly connected to the end of the stirring rod (305).

7. The mixer for preparing recycled concrete according to claim 1, characterized in that: The tank body (1) is provided with a discharge mechanism (4), the discharge mechanism (4) comprising a pin shaft (401) and a discharge cover plate (402), and the bottom of the tank body (1) is rotatably connected to the discharge cover plate (402) via the pin shaft (401).

8. A mixer for preparing recycled concrete according to claim 7, characterized in that: A handle (403) is fixedly connected to the discharge cover plate (402), and the handle (403) is cylindrical.

9. The mixer for preparing recycled concrete according to claim 1, characterized in that: A fixing block (502) is fixedly connected to the tank body (1), and the placement frame (501) is arranged on the fixing block (502).

10. A mixer specially used for preparing recycled concrete according to claim 9, characterized in that: A mounting plate (503) is fixedly connected to the placement frame (501), and the second motor (504) is arranged on the mounting plate (503).

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