Concrete mixing device with safety protection function

By introducing the central shaft, stirring rod and heating parts into the concrete mixing device, the problem of agglomeration during concrete mixing is solved, more efficient stirring and material heating is achieved, and the service life of the equipment is extended.

CN222201089UActive Publication Date: 2024-12-20SHANGHAI BAOZHIJIA NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202420825500.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-20
Publication Date
2024-12-20
Estimated Expiration
2034-04-20

AI Technical Summary

Technical Problem

Concrete is prone to agglomeration during the mixing process, resulting in waste and damage to the mixing leaves.

Method used

设计了一种具有搅拌机构的混凝土搅拌装置,包括中心轴、搅拌杆、电机驱动的转动板和加热件,通过搅拌杆和转动板的周向转动实现充分搅拌,并利用加热件防止物料降温结块。

Benefits of technology

It effectively avoids concrete clumping, improves the mixing effect, extends the service life of the mixing leaves, and reduces material waste.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of concrete, and provides a concrete stirring device with safety protection, which comprises a tank body, a stirring mechanism is arranged on the inner side of the tank body, the stirring mechanism comprises a central shaft, the central shaft is rotatably connected to the central position of the tank body, and the outer side of the central shaft is fixedly connected with a plurality of stirring rods I; a motor is fixedly installed at the top of the tank body, an output shaft of the motor is fixedly connected with a center shaft, a rotating plate is fixedly connected to the top end of the center shaft, and an outer edge stirring piece for stirring materials at the outer edge position in the tank body is arranged at one end of the rotating plate; a heating piece used for heating materials is arranged at the other end of the rotating plate. The heating piece can heat materials in the tank body, so that the problem that the materials are cooled and agglomerated can be avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of concrete, in particular to a concrete mixing device with safety protection. Background Art

[0002] Concrete refers to an artificial stone made by mixing cement as the main binder, water, sand and gravel, and if necessary, chemical admixtures and mineral admixtures in appropriate proportions, and then evenly mixing, compacting, and curing and hardening. Concrete is mainly divided into two states, fresh concrete or concrete mixture and hardened concrete or coagulant. Concrete needs to be processed and formed with a mixing device.

[0003] After searching, it was found that the Chinese patent announcement number CN215359112U disclosed "a concrete mixing device with a safety protection structure, including a rotor and a stirring blade, a wheel seat is arranged above the rotor, and a support column is arranged above the wheel seat, a connecting column is arranged above the support column, and a box body is arranged on the right side of the connecting column, a filter is arranged inside the box body, and a discharge port is arranged below the filter, a box cover is arranged below the discharge port, a material box is arranged above the box body, and a stirring shaft is arranged inside the material box, the stirring blade is located inside the stirring shaft, and a base is arranged above the stirring blade, a protective cover is arranged above the base, and discharge ports are arranged on both sides of the material box".

[0004] The above patent stirs concrete by mainly driving the stirring blade to rotate through the stirring shaft. However, the temperature of the concrete will gradually decrease during the stirring process, and the concrete is easy to solidify and agglomerate at low temperatures, which makes it impossible for the agglomerated concrete to pass through the filter screen, resulting in waste of concrete. At the same time, the agglomerated concrete is relatively hard, and the stirring blade will be damaged by a large reaction force after contacting the concrete block. Utility Model Content

[0005] The utility model provides a concrete mixing device with safety protection, which solves the problem of easy agglomeration in the concrete mixing process in the prior art.

[0006] The technical solution of the utility model is as follows: a concrete mixing device with safety protection, comprising a tank body, a stirring mechanism is arranged on the inner side of the tank body, the stirring mechanism comprises a central axis, the central axis is rotatably connected to the center position of the tank body, a plurality of stirring rods are fixedly connected to the outer side of the central axis, and the plurality of stirring rods are equidistantly distributed in the vertical direction, a motor is fixedly installed on the top of the tank body, the output shaft of the motor is fixedly connected to the central axis, a rotating plate is fixedly connected to the top of the central axis, an outer edge stirring piece for stirring materials at the outer edge position inside the tank body is arranged at one end of the rotating plate, and a heating piece for heating materials is arranged at the other end of the rotating plate.

[0007] Preferably, a plurality of support frames are fixedly connected to the outer side of the tank body, and the plurality of support frames are distributed around the tank body at equal angles, and a feed pipe is fixedly connected to the top end of the outer side of the tank body.

[0008] Preferably, the heating element comprises a hollow copper tube, the top end of the hollow copper tube is fixedly connected to the rotating plate, a heating tube is concentrically arranged on the inner side of the hollow copper tube, a plurality of heat conducting plates are fixedly connected between the heating tube and the inner wall of the hollow copper tube, and the plurality of heat conducting plates are distributed at equal angles around the heating tube.

[0009] Preferably, the outer edge stirring member includes a rotating shaft, which passes through the rotating plate and extends to both sides of the rotating plate. The rotating shaft is rotatably connected to the rotating plate. A plurality of stirring rods 2 are fixedly connected to the bottom end of the rotating shaft. The plurality of stirring rods 2 are equidistantly distributed in the vertical direction and staggered with a plurality of stirring rods 1. A transmission member is provided on the top wall inside the tank body, which drives the rotating shaft to rotate by cooperating with the central axis.

[0010] Preferably, the top end of the rotating shaft is fixedly connected to two parallel limit rings, and the two limit rings respectively contact the top surface and the bottom surface of the rotating plate.

[0011] Preferably, the transmission member comprises an inner gear ring, the inner gear ring is fixedly connected to the top wall inside the tank body, and a gear is fixedly connected to the top of the rotating shaft, and the gear is meshed with the inner gear ring.

[0012] Preferably, a protective mechanism is provided at the outlet end at the bottom of the tank body, and the protective mechanism includes a protective sleeve, which is fixedly connected to the bottom of the tank body, a filter is fixedly connected to the inner side of the protective sleeve, and a cleaning piece for cleaning the top surface of the filter is provided on the top surface of the filter.

[0013] Preferably, the cleaning piece includes a coupling, the top of the coupling is fixedly connected to the bottom of the central axis, the bottom of the coupling is fixedly connected to a connecting shaft, the bottom of the connecting shaft is fixedly connected to a scraper, and the scraper is slidably connected to the top surface of the filter.

[0014] The technical effects and advantages of the utility model are as follows: by starting the motor to drive the central axis, the central axis can drive all the stirring rods to rotate circumferentially, so that the stirring rods can stir the materials in the central area inside the tank body, and the rotating plate can rotate with the central axis, so that the outer edge stirring element and the heating element can rotate circumferentially synchronously, and the outer edge stirring element can stir the materials in the outer edge area inside the tank body, so that the materials inside the tank body can be fully mixed, thereby greatly improving the stirring effect of the materials, and the heating element can heat the materials inside the tank body, thus avoiding the problem of material cooling and agglomeration. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a structural schematic diagram of a concrete mixing device with safety protection.

[0016] Figure 2 It is a partial structural schematic diagram of the utility model.

[0017] Figure 3 It is a structural schematic diagram of the stirring mechanism of the utility model.

[0018] Figure 4 It is a structural schematic diagram of the heating element of the utility model.

[0019] Figure 5 It is a structural schematic diagram of the outer edge stirring member of the utility model.

[0020] Figure 6 It is a structural schematic diagram of the transmission member of the utility model.

[0021] Figure 7 It is a structural schematic diagram of the protection mechanism of the utility model.

[0022] Figure 8 It is a structural schematic diagram of the cleaning piece of the utility model.

[0023] The accompanying drawings are marked as follows: 1. tank body; 2. support frame; 3. stirring mechanism; 31. central axis; 32. stirring rod one; 33. motor; 34. rotating plate; 35. heating element; 351. hollow copper tube; 352. heating tube; 353. heat conducting plate; 36. outer stirring element; 361. rotating shaft; 362. stirring rod two; 363. limiting ring; 37. transmission element; 371. inner gear ring; 372. gear; 4. protective mechanism; 41. protective cover; 42. filter; 43. cleaning element; 431. coupling; 432. connecting shaft; 433. scraper; 5. feed pipe. DETAILED DESCRIPTION

[0024] The following will be combined with 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 of 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.

[0025] Reference Figure 1 - Figure 3The utility model provides a concrete mixing device with safety protection, comprising a tank body 1, a plurality of support frames 2 are fixedly connected to the outer side of the tank body 1, the plurality of support frames 2 are distributed at equal angles around the tank body 1, a feed pipe 5 is fixedly connected to the top of the outer side of the tank body 1, a stirring mechanism 3 is arranged on the inner side of the tank body 1, the stirring mechanism 3 comprises a central axis 31, the central axis 31 is rotatably connected to the center position of the tank body 1, a plurality of stirring rods 32 are fixedly connected to the outer side of the central axis 31, the plurality of stirring rods 32 are equidistantly distributed along the vertical direction, a motor 33 is fixedly installed on the top of the tank body 1, the output shaft of the motor 33 is fixedly connected to the central axis 31, a rotating plate 34 is fixedly connected to the top of the central axis 31, one end of the rotating plate 34 is provided with an outer edge stirring member 36 for stirring the material at the outer edge position inside the tank body 1, and the other end of the rotating plate 34 is provided with a heating member 35 for heating the material.

[0026] By starting the motor 33 to drive the central shaft 31, the central shaft 31 can drive all the stirring rods 32 to rotate circumferentially, so that the stirring rods 32 stir the material in the central area inside the tank body 1, and the rotating plate 34 will rotate along with the central shaft 31, so that the outer edge stirring member 36 and the heating member 35 rotate circumferentially synchronously, and the outer edge stirring member 36 stirs the material in the outer edge area inside the tank body 1, so that the material inside the tank body 1 can be fully mixed, thereby greatly improving the stirring effect of the material, and the heating member 35 can heat the material inside the tank body 1, thereby avoiding the problem of material cooling and agglomeration.

[0027] Reference Figure 4 The heating element 35 includes a hollow copper tube 351, the top of which is fixedly connected to the rotating plate 34, a heating tube 352 is concentrically arranged inside the hollow copper tube 351, a plurality of heat conducting plates 353 are fixedly connected between the heating tube 352 and the inner wall of the hollow copper tube 351, and the plurality of heat conducting plates 353 are distributed at equal angles around the heating tube 352. When the heating tube 352 is powered on, it can generate heat through resistance, and then transfer the heat to the hollow copper tube 351 through the heat conducting plates 353, and then the hollow copper tube 351 contacts and heats the material, and the hollow copper tube 351 can protect the heating tube 352, thereby preventing the heating tube 352 from directly contacting and colliding with the concrete and being damaged.

[0028] Reference Figure 5 - Figure 6The outer stirring member 36 includes a rotating shaft 361, which passes through the rotating plate 34 and extends to both sides of the rotating plate 34. The rotating shaft 361 is rotatably connected to the rotating plate 34. The top of the rotating shaft 361 is fixedly connected to two parallel limit rings 363, which respectively contact the top surface and the bottom surface of the rotating plate 34. The bottom end of the rotating shaft 361 is fixedly connected to a plurality of stirring rods 2 362, and the plurality of stirring rods 2 362 are equidistantly distributed in the vertical direction and staggered with the plurality of stirring rods 1 32. A transmission member 37 is provided on the top wall of the inner side of the tank body 1, which drives the rotating shaft 361 to rotate by cooperating with the central axis 31. The transmission member 37 includes an inner gear ring 371, which is fixedly connected to the top wall of the inner side of the tank body 1. A gear 372 is fixedly connected to the top of the rotating shaft 361, and the gear 372 meshes with the inner gear ring 371. The central shaft 3 is driven to rotate by the motor 33, which causes the rotating plate 34 to rotate synchronously, so that the rotating shaft 361 rotates circumferentially around the central shaft 31, and at the same time the gear 372 rolls along the inner gear ring 371, which causes the rotating shaft 361 to rotate, thereby causing all the stirring rods 362 to rotate and stir the material in the outer edge area inside the tank body 1.

[0029] Reference Figure 7 - Figure 8 The outlet end at the bottom of the tank body 1 is provided with a protective mechanism 4, which includes a protective sleeve 41, which is fixedly connected to the bottom of the tank body 1, and a filter screen 42 is fixedly connected to the inner side of the protective sleeve 41, and a cleaning member 43 for cleaning the top surface of the filter screen 42 is provided on the top surface of the filter screen 42, and the cleaning member 43 includes a coupling 431, and the top of the coupling 431 is fixedly connected to the bottom of the central shaft 31, and the bottom end of the coupling 431 is fixedly connected to a connecting shaft 432, and the bottom end of the connecting shaft 432 is fixedly connected to a scraper 433, and the scraper 433 is slidably connected to the top surface of the filter screen 42. The central shaft 3 is driven to rotate by the motor 33, which makes the coupling 431 drive the connecting shaft 432 to rotate synchronously, and also makes the scraper 433 rotate, so that the scraper 433 cleans the material on the top surface of the filter screen 42, effectively avoiding the problem of excessive accumulation of materials on the filter screen 42 and clogging.

[0030] The working principle of the utility model is as follows: by starting the motor 33 to drive the central shaft 31, the central shaft 31 can drive all the stirring rods 32 to rotate circumferentially, so that the stirring rods 32 can stir the materials in the central area of ​​the tank body 1, and the central shaft 3 can drive the rotating plate 34 to rotate synchronously, so that the rotating shaft 361 rotates circumferentially around the central shaft 31, and the gear 372 rolls along the inner gear ring 371, so that the rotating shaft 361 rotates, and then all the stirring rods 362 rotate and stir the materials in the outer edge area of ​​the tank body 1, and the heating element 35 can heat the materials in the tank body 1, so as to avoid the problem of cooling and agglomeration of the materials;

[0031] The central shaft 3 can also drive the coupling 431 and the connecting shaft 432 to rotate synchronously, which also causes the scraper 433 to rotate, so that the scraper 433 cleans the material on the top surface of the filter screen 42, effectively avoiding the problem of excessive accumulation of materials on the filter screen 42 and clogging.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A concrete mixing device with safety protection, comprising a tank body (1), characterized in that: A stirring mechanism (3) is arranged on the inner side of the tank body (1), and the stirring mechanism (3) comprises a central shaft (31), the central shaft (31) is rotatably connected to the center position of the tank body (1), a plurality of stirring rods (32) are fixedly connected to the outer side of the central shaft (31), and the plurality of stirring rods (32) are evenly distributed in the vertical direction, a motor (33) is fixedly installed on the top of the tank body (1), the output shaft of the motor (33) is fixedly connected to the central shaft (31), a rotating plate (34) is fixedly connected to the top of the central shaft (31), one end of the rotating plate (34) is provided with an outer edge stirring member (36) for stirring the material at the outer edge position inside the tank body (1), and the other end of the rotating plate (34) is provided with a heating member (35) for heating the material.

2. A concrete mixing device with safety protection according to claim 1, characterized in that: A plurality of support frames (2) are fixedly connected to the outer side of the tank body (1), and the plurality of support frames (2) are distributed at equal angles around the tank body (1). A feed pipe (5) is fixedly connected to the top end of the outer side of the tank body (1).

3. A concrete mixing device with safety protection according to claim 1, characterized in that: The heating element (35) comprises a hollow copper tube (351), the top end of the hollow copper tube (351) is fixedly connected to the rotating plate (34), a heating tube (352) is concentrically arranged on the inner side of the hollow copper tube (351), a plurality of heat conducting plates (353) are fixedly connected between the heating tube (352) and the inner wall of the hollow copper tube (351), and the plurality of heat conducting plates (353) are distributed at equal angles around the heating tube (352).

4. A concrete mixing device with safety protection according to claim 1, characterized in that: The outer stirring member (36) comprises a rotating shaft (361), the rotating shaft (361) passes through the rotating plate (34) and extends to both sides of the rotating plate (34), the rotating shaft (361) is rotatably connected to the rotating plate (34), a plurality of stirring rods (362) are fixedly connected to the bottom end of the rotating shaft (361), the plurality of stirring rods (362) are equidistantly distributed in the vertical direction and staggered with the plurality of stirring rods (32), and a transmission member (37) is provided on the top wall inside the tank body (1) for driving the rotating shaft (361) to rotate by cooperating with the central axis (31).

5. A concrete mixing device with safety protection according to claim 4, characterized in that: The top end of the rotating shaft (361) is fixedly connected to two parallel limiting rings (363), and the two limiting rings (363) respectively contact the top surface and the bottom surface of the rotating plate (34).

6. A concrete mixing device with safety protection according to claim 4, characterized in that: The transmission member (37) comprises an inner gear ring (371), the inner gear ring (371) is fixedly connected to the top wall inside the tank body (1), and a gear (372) is fixedly connected to the top of the rotating shaft (361), and the gear (372) is meshed with the inner gear ring (371).

7. A concrete mixing device with safety protection according to claim 1, characterized in that: A protective mechanism (4) is provided at the outlet end of the bottom of the tank body (1), the protective mechanism (4) comprising a protective sleeve (41), the protective sleeve (41) being fixedly connected to the bottom of the tank body (1), a filter screen (42) being fixedly connected to the inner side of the protective sleeve (41), and a cleaning member (43) for cleaning the top surface of the filter screen (42) being provided on the top surface of the filter screen (42).

8. A concrete mixing device with safety protection according to claim 7, characterized in that: The cleaning member (43) comprises a coupling (431), the top end of the coupling (431) is fixedly connected to the bottom of the central shaft (31), the bottom end of the coupling (431) is fixedly connected to a connecting shaft (432), the bottom end of the connecting shaft (432) is fixedly connected to a scraper (433), and the scraper (433) is slidably connected to the top surface of the filter screen (42).