CN209521086U - Anti-dust horizontal mixer - Google Patents

Abstract

The utility model discloses a kind of anti-fugitive dust horizontal mixers, it is related to mixing plant technical field, its key points of the technical solution are that including that the bottom case of open top and lid close the top cover on bottom case, rabbling mechanism is installed on bottom case, the top cover is connected with feed mechanism, the discharge end of feed mechanism extend into top cover lower part, is connected with water seal mechanism on top cover；Water seal mechanism includes the multiple atomizers for surrounding the water pipe of cap edge setting and being arranged on water pipe, and the injection direction of atomizer is directed toward base side walls.The utility model solves the problems, such as that dust easily escapes generation fugitive dust from blender when the charging of existing horizontal mixer, is effectively reduced a possibility that blender charging generates fugitive dust, environment protecting is good.

Description

Anti-dust horizontal mixer

technical field

The utility model relates to the technical field of mixing equipment, in particular to a dust-proof horizontal mixer.

Background technique

Concrete mixer is a kind of equipment used to process concrete. Usually, the raw materials for making concrete are poured into the drum of the concrete mixer and mixed evenly to form concrete. According to the setting direction of the rotating shaft, it can be divided into horizontal mixer and vertical mixer.

The prior art reference authorization announcement number is CN201552667U Chinese utility model patent, which discloses a double-horizontal shaft single-screw belt concrete mixer, two parallel shafts arranged horizontally in the mixer body, and a continuous screw for feeding at one end of each shaft. Belt blade unit, feeding side scraping blade unit, feeding single shovel blade unit, the middle part is equipped with feeding single spiral belt blade unit, and the other end has return continuous spiral belt blade unit, return single shovel blade unit, and return side scraping blade Units, each unit on the two rotating shafts is arranged in the same order along the opposite direction of the axial direction. The utility model improves the continuous circulation flow velocity of the material in the mixer along the axial and radial directions through the three-dimensional boiling intense stirring of axial continuous screw extrusion and radial shearing, and realizes efficient and rapid mixing of the materials in the mixer. .

But this utility model has the following disadvantages: the top of the mixer drum does not adopt any protective measures when the mixer is in use, and when the lid is opened to feed, a large amount of dust is easily generated when fine particles such as cement fall into the environment, causing environmental pollution.

Utility model content

Aiming at the deficiencies in the prior art, the purpose of this utility model is to provide a dust-proof horizontal mixer, which prevents the dust from escaping from the gap of the top cover by adding a water seal mechanism on the top cover, and improves the dust-proof effect.

In order to achieve the above purpose, the utility model provides the following technical solutions: a dust-proof horizontal mixer, including a bottom shell with an open top and a top cover that covers the bottom shell, and a stirring mechanism is installed on the bottom shell. It is: the top cover is connected with a feeding mechanism, the discharge end of the feeding mechanism extends into the bottom of the top cover, and the top cover is connected with a water sealing mechanism; the water sealing mechanism includes water pipes arranged around the edge of the top cover and arranged on the water pipes There are multiple atomizing nozzles, and the spraying direction of the atomizing nozzles points to the side wall of the bottom shell.

By adopting the above technical solution, the top cover covers the bottom case, effectively reducing the upward circulation area of the dust generated in the bottom case. The feeding mechanism transports raw materials such as sand and cement into the bottom shell. The water pipe can be connected to an external high-pressure water source. After the water passes through the water pipe, it is sprayed out from multiple atomizing nozzles. Since the spraying direction of the atomizing nozzles points to the side wall of the bottom shell, the water mist separates the inside of the bottom shell from the outside, and falls on the sand and cement. During the process, the dust generated is removed in time by water mist, reducing the possibility of dust escaping. In addition, at the beginning of mixing, when the mixing mechanism stirs relatively dry materials and generates a large amount of dust, the dust rises and moves to the joint between the top cover and the bottom shell. The water curtain can block the dust from flowing to the joint, improve the sealing effect, and make the mixing operation It will not generate dust and protect the environment.

The utility model is further configured as follows: the stirring mechanism includes a rotating shaft horizontally rotatably connected to the side wall of the bottom shell, a plurality of stirring rods fixed on the rotating shaft, and a driving mechanism for driving the rotating shaft to rotate.

By adopting the above technical scheme, the driving mechanism drives the rotating shaft to rotate, and the stirring rod fixed on the rotating shaft rotates accordingly to stir the concrete, thereby improving the uniformity of mixing.

The utility model is further configured as follows: the end of the stirring rod is fixedly connected with a stirring blade, and the stirring blade is arranged in a spiral shape with the rotating shaft as the axis; the driving mechanism is a forward and reverse motor; The material port and the discharge port are connected with a baffle.

By adopting the above technical scheme, when the motor is rotating forward, the stirring rod and the stirring blades will stir the concrete together. After the stirring is completed, the motor will reverse, and the stirring blades can push the concrete to move from one end of the motor to the discharge port, which is convenient for unloading.

The utility model is further configured as follows: the interior of the rotating shaft and the stirring rod is hollow and connected, one end of the rotating shaft is connected with a water supply pipe through a universal joint, and the stirring rod is provided with a plurality of penetrating spray holes.

By adopting the above technical solution, water enters the rotating shaft from the water supply pipe during operation, and then the water passes through the stirring rod and is sprayed out from the spray hole. Due to the rotation of the rotating shaft, the stirring rod adds water during the process of stirring the materials, so that the stirring is more uniform. After the mixing is completed and the concrete is discharged from the discharge port, the water can continue to pass through. At this time, the water sprayed from the nozzle hole will wash the bottom shell and the inner wall of the top cover to keep the equipment clean.

The utility model is further configured as follows: the inner wall of the bottom shell is hollow to form an accommodation cavity, and a heating pipe is fixed in the accommodation cavity.

By adopting the above technical scheme, in an environment where the temperature of the mixing environment is low, the heating pipe heats the inner wall of the bottom shell to increase the temperature inside the bottom shell, thereby improving the quality of concrete mixing.

The utility model is further configured as follows: the feeding mechanism is a screw conveyor, one side edge of the top cover is provided with an opening, and the discharge end of the screw conveyor extends into the opening.

By adopting the above technical scheme, when the material is transported by the screw conveyor, the material is located inside the pipeline of the screw conveyor, which effectively prevents dust from being affected by the external wind during the transportation process, and has a better environmental protection effect.

The utility model is further configured as follows: the water pipe is connected with the water supply pipe to a water tank, and a water pump is installed on the water tank.

By adopting the above technical solution, the stirring equipment can be transferred to the construction site or used in the field after the water tank is stored.

The utility model is further configured as follows: the side of the top cover away from the opening is hinged to the bottom shell, and the water pipe and the top cover are fixedly connected by buckles.

By adopting the above technical scheme, when the water pipe is damaged during use, the top cover can be opened to maintain the water pipe, prolonging the service life of the equipment.

In summary, compared with the prior art, the utility model has the following beneficial effects:

1. The water seal mechanism prevents dust from escaping from the gap of the top cover, and the dust-proof effect is improved;

2. The stirring mechanism adds water while stirring to improve the uniformity of stirring. After the stirring is completed and the material is discharged, the stirring mechanism can also clean the inner wall of the mixing chamber;

3. The heating tube can increase the mixing temperature in the mixing chamber, which is suitable for mixing operations in low temperature environments and has a wide range of applications.

Description of drawings

Fig. 1 is the structural representation of embodiment;

Fig. 2 is a cross-sectional view showing the internal structure of the stirring mechanism at A-A in Fig. 1;

Fig. 3 is a cross-sectional view showing the distribution structure of the heating tubes in the mixer along the direction B-B in Fig. 2 .

Reference signs: 1, bracket; 2, mixing bin; 21, bottom shell; 211, discharge port; 212, material guide plate; 213, baffle plate; 214, accommodation cavity; 22, top cover; 221, perforation; 222 , handle; 223, opening; 3, stirring mechanism; 31, motor; 32, rotating shaft; 33, stirring rod; 331, spray hole; 34, stirring blade; 4, water sealing mechanism; 41, water pipe; 411, water inlet connector ; 42. Atomizing nozzle; 5. Feeding mechanism; 6. Water supply pipe; 7. Universal joint; 8. Heating pipe.

Detailed ways

A dust-proof horizontal mixer, as shown in Figure 1 and Figure 2, includes a mixing bin 2 and a stirring mechanism 3 installed inside the mixing bin 2, a feeding mechanism 5 is connected to the mixing bin 2, and the top of the mixing bin 2 is provided with There is a water seal mechanism 4. The feeding mechanism 5 transports the raw materials into the mixing chamber 2, and the water sealing mechanism 4 sprays water mist to seal the gap at the top of the mixing chamber 2, reducing the possibility of the dust generated by the raw material falling into the mixing chamber 2 escaping from the gap ,protect environment.

Referring to Fig. 1 and Fig. 2, a support 1 is provided at the bottom of the mixing chamber 2, so that the stirring chamber 2 is supported on the ground. The mixing bin 2 includes a bottom shell 21 with an open top and a top cover 22 covering the bottom shell 21 . The top cover 22 is provided with a perforation 221 , and there may be two perforations 221 . One side of the top cover 22 can be hinged with the bottom case 21 through a hinge, and a handle 222 is fixed on the side of the top cover 22 away from the hinge point, so as to facilitate opening the top cover 22 .

An opening 223 is formed on the edge of the top cover 22 away from the hinge point. The feeding mechanism 5 can be a screw elevator, one end of the screw elevator is supported on the ground, and the outlet of the screw elevator extends into the opening 223 . Raw materials such as sand and cement can be transported into the mixing chamber 2 by the screw elevator.

One end bottom of bottom case 21 is provided with discharge port 211, is provided with baffle plate 213 at discharge port 211, and baffle plate 213 is adapted with discharge port 211 so that block discharge port 211, and baffle plate 213 can be discharged from discharge port 211. Port 211 is pulled out for discharge. A downwardly inclined material guide plate 212 is fixed on the bottom shell 21 at the discharge port 211 to prevent concrete from falling directly along the side wall of the bottom shell 21 and keep the bottom shell 21 clean.

Referring to Fig. 1 and Fig. 2, stirring mechanism 3 comprises the rotating shaft 32 that horizontal rotation is supported on the two side walls of bottom case 21, the helical stirring blade 34 that is fixedly connected with rotating shaft 32 by stirring rod 33 and the motor 31 that drives rotating shaft 32 to rotate, The motor 31 can be fixed on the side wall of the end of the bottom shell 21 away from the discharge port 211 by bolts. The motor 31 is a forward and reverse motor. When the motor 31 rotates forward, the concrete is stirred; when the motor 31 is reversed, the stirring blade 34 can push the concrete from one end of the motor 31 to the discharge port 211, which is convenient for unloading.

The rotating shaft 32 and the stirring rod 33 are hollow inside, and both the rotating shaft 32 and the stirring rod 33 can be made of stainless steel tubes, which have high strength and corrosion resistance. The stirring rod 33 communicates with the interior of the rotating shaft 32 , and the surface of the stirring rod 33 is provided with a penetrating spray hole 331 communicating with the interior.

The end of the rotating shaft 32 away from the motor 31 is connected to a water supply pipe 6 through a universal joint 7, and the water supply pipe 6 is connected to an external water source.

During operation, water enters the rotating shaft 32 from the water supply pipe 6 , and then the water passes through the stirring rod 33 and sprays out from the spray hole 331 . Due to the rotation of the rotating shaft 32, the stirring rod 33 adds water during the process of stirring the materials, so that the stirring is more uniform. The motor 31 works to drive the rotating shaft 32 to rotate, and the stirring rod 33 and the stirring blade 34 rotate to stir and mix the materials.

After the concrete is discharged from the discharge port 211 after the mixing is completed, the water can be continued, and the water ejected from the nozzle hole 331 flushes the inner wall of the mixing chamber 2 to keep the equipment clean.

Referring to FIG. 2 and FIG. 3 , the water sealing mechanism 4 includes a water pipe 41 arranged around the edge of the top cover 22 and a plurality of atomizing nozzles 42 arranged on the water pipe 41 , and the spraying direction of the atomizing nozzles 42 is inclined to the bottom shell 21 . The water pipe 41 and the top cover 22 can be fixed by buckles, so that it is convenient to replace the water pipe 41 when it is damaged. The water pipe 41 is provided with a water inlet joint 411, and the water inlet joint 411 passes through the perforation 221 and is fixed, and there may be two water inlet joints 411. The water inlet joint 411 is connected to an external high-pressure water source through a pipeline. According to needs, the water inlet joint 411 and the water supply pipe 6 can be connected to the same water tank, and a high-pressure water pump is installed on the water tank, so that the stirring equipment can be transferred to the construction site or used in the field after the water tank is stored.

In order to carry out concrete mixing in low temperature environment in winter, the inner wall of bottom shell 21 is provided with accommodating chamber 214, and heating pipe 8 is fixed in accommodating chamber 214, and heating pipe 8 can be electric heating wire or hot water pipe, and heating pipe 8 fits the bottom The inner wall of the shell 21 is arranged in an S shape.

The working principle of the anti-dust horizontal mixer is as follows:

Open the external high-pressure water source, the high-pressure water enters the water pipe 41 and sprays out from a plurality of atomizing nozzles 42, and after the water is atomized and sprayed out, an annular water curtain is formed at the joint between the top cover 22 and the bottom shell 21, so that the mixing chamber 2 and the bottom shell 21 are connected together. External isolation.

The feeding mechanism 5 transports sand, cement, etc. to the opening 223 and falls, and the generated dust is combined with atomized water to remove dust.

In the early stage of stirring by the stirring mechanism 3, when the dust generated during the turning process of the raw materials is raised and moves towards the top cover 22, the atomized water can also be blocked, which effectively reduces the possibility of dust escaping from the mixing chamber 2 and protects the environment.

During the stirring process of the stirring mechanism 3, water can be added through the water supply pipe 6, and water is added while stirring, so that the stirring is more uniform. Close the water source of the water supply pipe 6 after adding an appropriate amount of water as required.

After the stirring is finished, open the baffle plate 213 and the concrete is discharged from the discharge port 211, then reopen the water source of the water supply pipe 6 for water supply, and when the stirring mechanism 3 rotates, water is sprayed out from the spray hole 331 to wash the inner wall of the mixing chamber 2, and the stirring chamber is maintained. 2 for cleaning.

In an environment where the temperature of the mixing environment is low, the temperature inside the mixing chamber 2 can be increased by energizing the heating wire to improve the quality of concrete mixing.

The above descriptions are only preferred implementations of the present utility model, and the protection scope of the present utility model is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present utility model all belong to the protection scope of the present utility model. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims (8)

1. a kind of anti-fugitive dust horizontal mixer, bottom case (21) and lid including open top close the top cover on bottom case (21) (22), rabbling mechanism (3) being installed on bottom case (21), it is characterised in that: the top cover (22) is connected with feed mechanism (5), on The discharge end of material mechanism (5) extend into top cover (22) lower part, is connected with water seal mechanism (4) on top cover (22)；Water seal mechanism (4) packet The multiple atomizers (42) for including the water pipe (41) being arranged around top cover (22) edge and being arranged on water pipe (41), atomizer (42) injection direction is directed toward bottom case (21) side wall.

2. anti-fugitive dust horizontal mixer according to claim 1, it is characterised in that: the rabbling mechanism (3) includes level The shaft (32) for being rotationally connected with bottom case (21) side wall, the multiple stirring rods (33) being fixed on shaft (32) and drive shaft (32) driving mechanism rotated.

3. anti-fugitive dust horizontal mixer according to claim 2, it is characterised in that: stirring rod (33) end is fixed to be connected It is connected to paddle (34), paddle (34) is that axis is twist arranged with shaft (32)；The driving mechanism is positive and negative rotation electricity Machine (31)；Bottom case (21) offers discharge gate (211) far from one end side wall of clockwise and anticlockwise motor (31), connects at discharge gate (211) It is connected to baffle (213).

4. anti-fugitive dust horizontal mixer according to claim 2, it is characterised in that: the shaft and stirring rod (33) it is interior Portion is hollow and is connected to, and one end of shaft (32) is connected with water supplying pipe (6) by universal joint (7), and stirring rod (33) is equipped with more The spray orifice (331) of a penetrability.

5. anti-fugitive dust horizontal mixer according to claim 1, it is characterised in that: the hollow formation of bottom case (21) inner wall Accommodating chamber (214) is fixed with heating tube (8) in accommodating chamber (214).

6. anti-fugitive dust horizontal mixer according to claim 1, it is characterised in that: the feed mechanism (5) is spiral transferring Machine is sent, the one side edge of the top cover (22) is equipped with opening (223), and the discharge end of screw conveyor protrudes into opening (223).

7. anti-fugitive dust horizontal mixer according to claim 4, it is characterised in that: the water pipe (41) and water supplying pipe (6) It is connected with water tank, water pump is installed on water tank.

8. anti-fugitive dust horizontal mixer according to claim 6, it is characterised in that: the top cover (22) is far from opening (223) side and bottom case (21) hingedly, water pipe (41) and top cover (22) connection fixed by snap.