Concrete mixer with automatic dust removal function

Abstract

The invention relates to the technical field of machinery, in particular to a concrete mixer with an automatic dust removal function, which comprises a mixing tank, the bottom of the mixing tank is connected with a discharge port, a mixing motor is mounted at the bottom of the mixing tank, and mixing blades connected with a rotating shaft of the mixing motor are arranged in an inner cavity of the mixing tank. A dust removal support is arranged in an inner cavity of the stirring tank, a connecting pipe is connected to the top of the dust removal support, a clamping block is arranged at the end of the connecting pipe, a plurality of dust removal pipes are vertically arranged on the outer wall of the dust removal support, and water spraying holes are evenly formed in the outer walls of the dust removal pipes. According to the concrete mixer with the automatic dust removal function, the automatic water adding and mixing function is achieved, dust generated by mixing can be reduced in the water spraying process, the automatic dust removal effect is achieved, meanwhile, the arranged scraper is in contact with the inner wall of the mixing tank, the residual dust scraping effect is achieved when the mixer is cleaned subsequently, and the service life of the mixer is prolonged. And a good automatic dust removal effect is achieved.

Description

Technical Field

[0001] The invention relates to the field of mechanical technology, and in particular to a concrete mixer with an automatic dust removal function. Background Art

[0002] A concrete mixer is a machine that mixes cement, sand and gravel aggregates and water to make a concrete mixture. There are many types of mixers, including forced mixers, single-shaft mixers, twin-shaft mixers, and so on. Current concrete mixers do not have a dust removal function. When adding sand and cement, a lot of dust will be generated. In particular, when the mixer is rotating, the cement and sand dust will cause the dust to fly. These cement and sand dusts are inhaled by the human body and harm human health. In addition, when cleaning the residual concrete inside the mixer in the later stage, it is easy to cause mud splashing and pollute the construction site environment. Summary of the invention

[0003] The purpose of the present invention is to solve the shortcomings of the prior art that the concrete mixer has no dust removal function, pollutes the environment and damages the health of construction workers, and proposes a concrete mixer with automatic dust removal function.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] A concrete mixer with automatic dust removal function is designed, comprising a mixing tank, wherein the bottom of the mixing tank is connected with a material discharge port, a mixing motor is installed at the bottom of the mixing tank, a mixing blade connected with a rotating shaft of the mixing motor is arranged in the inner cavity of the mixing tank, a dust removal bracket is arranged in the inner cavity of the mixing tank, a connecting pipe is connected to the top of the dust removal bracket, a clamping block is arranged at the end of the connecting pipe, a plurality of dust removal pipes are vertically arranged on the outer wall of the dust removal bracket, water spray holes are evenly opened on the outer wall of the dust removal pipe, a cross clamping groove is opened on the top of the mixing blade, and the clamping block is clamped in the cross clamping groove.

[0006] Preferably, a plurality of mounting tubes are welded to the outer wall of the dust removal bracket, a scraper is inserted into the outer wall of the mounting tube, and the scraper is in contact with the inner wall of the stirring tank.

[0007] Preferably, the number of the dust removal pipes is , and the multiple dust removal pipes and the installation pipes are staggered, and a fixing bracket is welded between the multiple dust removal pipes and the installation pipes.

[0008] Preferably, a base is welded to the outer wall of the mixing tank, a telescopic rod is installed on the upper end surface of the base, the top of the telescopic rod is connected to a delivery pipe, the top of the delivery pipe is inserted into the inner cavity of the block and threadedly connected to a fastening nut.

[0009] Preferably, a liquid pipe is inserted into the delivery pipe, the end of the liquid pipe is connected to an external liquid tank, a mounting flange is provided at the bottom of the delivery pipe, a fastening nut is sleeved on the mounting flange and is threadedly connected to the top of the block.

[0010] Preferably, a sealing joint is provided at the bottom of the delivery pipe, and the sealing joint is inserted into a groove provided at the top of the clamping block.

[0011] Preferably, the outer wall of the delivery pipe is provided with a top cover, and the delivery pipe is provided with a flow meter.

[0012] The invention provides a concrete mixer with an automatic dust removal function, which has the beneficial effect that: by arranging a dust removal bracket, when mixing concrete, concrete powder is poured into the mixing tank, then the telescopic rod is moved downward to drive the conveying pipe to move downward, the clamping block is clamped into the cross clamping groove, and the sealing joint is clamped into the through hole opened above the clamping block. At this time, external clean water is injected into the hollow inner cavity of the dust removal bracket from the liquid pipe through the sealing joint, and then sprayed out from the water spraying hole on the outer wall of the dust removal pipe, so as to realize the function of automatic water addition and mixing, and the dust generated by mixing can be reduced during the water spraying process, so as to play the role of automatic dust removal. At the same time, the scraper is in contact with the inner wall of the mixing tank, so as to scrape off the residual dust when the mixer is subsequently cleaned, so as to have a better automatic dust removal effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A front view of a concrete mixer with automatic dust removal function proposed by the present invention;

[0014] Figure 2 A side view of a concrete mixer with automatic dust removal function proposed by the present invention;

[0015] Figure 3 This is an AA cross-sectional view of a concrete mixer with automatic dust removal function proposed by the present invention;

[0016] Figure 4 This is an isometric view of a concrete mixer with automatic dust removal function proposed by the present invention;

[0017] Figure 5 A schematic diagram of the structure of a dust removal bracket of a concrete mixer with automatic dust removal function proposed by the present invention;

[0018] Figure 6 This is a schematic diagram of the structure of a conveying pipe of a concrete mixer with automatic dust removal function proposed by the present invention.

[0019] In the figure: 1 mounting bracket, 2 stirring motor, 3 discharge port, 4 conveying pipe, 5 top cover, 6 liquid pipe, 7 flow meter, 8 telescopic rod, 9 base, 10 stirring tank, 11 fastening nut, 12 dust removal bracket, 13 connecting pipe, 14 block, 15 dust removal pipe, 16 fixed bracket, 17 mounting pipe, 18 scraper, 19 mounting flange, 20 sealing joint, 21 stirring blade, 22 cross slot. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] Reference Figure 1-6 A concrete mixer with automatic dust removal function includes a mixing tank 10, a discharging port 3 is connected to the bottom of the mixing tank 10, a mixing motor 2 is installed at the bottom of the mixing tank 10, a mixing blade 21 connected to the rotating shaft of the mixing motor 2 is arranged in the inner cavity of the mixing tank 10, a dust removal bracket 12 is arranged in the inner cavity of the mixing tank 10, a connecting pipe 13 is connected to the top of the dust removal bracket 12, a clamping block 14 is arranged at the end of the connecting pipe 13, a plurality of dust removal pipes 15 are vertically arranged on the outer wall of the dust removal bracket 12, water spray holes are evenly opened on the outer wall of the dust removal pipe 15, a cross slot 22 is opened on the top of the mixing blade 21, and the clamping block 14 is clamped in the cross slot 22.

[0022] A plurality of mounting tubes 17 are welded to the outer wall of the dust removal bracket 12, a scraper 18 is inserted into the outer wall of the mounting tube 17, the scraper 18 contacts the inner wall of the mixing tank 10, the number of dust removal tubes 15 is root, the plurality of dust removal tubes 15 and the mounting tubes 17 are staggered, and a fixing bracket 16 is welded between the plurality of dust removal tubes 15 and the mounting tubes 17.

[0023] A base 9 is welded to the outer wall of the mixing tank 10 , a telescopic rod 8 is installed on the upper end surface of the base 9 , the top of the telescopic rod 8 is connected to the delivery pipe 4 , the top of the delivery pipe 4 is inserted into the inner cavity of the block 14 and threadedly connected to the fastening nut 11 .

[0024] The delivery pipe 4 is plugged with a liquid pipe 6 , the end of which is connected to an external liquid tank. A mounting flange 19 is provided at the bottom of the delivery pipe 4 , and a fastening nut 11 is sleeved on the mounting flange 19 and is threadedly connected to the top of the clamping block 14 .

[0025] A sealing joint 20 is provided at the bottom of the delivery pipe 4, and the sealing joint 20 is inserted into the groove opened at the top of the block 14. The outer wall of the delivery pipe 4 is provided with a top cover 5, and a flow meter 7 is provided on the delivery pipe 4. The flow meter 7 serves to measure the added clean water, and can accurately add an appropriate amount of clean water when the top cover 5 is covered.

[0026] Working method: When mixing concrete, pour the concrete powder into the mixing tank 10, then the telescopic rod 8 moves downward to drive the conveying pipe 4 to move downward, the block 14 is inserted into the cross slot 22, and the sealing joint 20 is inserted into the through hole opened above the block 14. At this time, external clean water is injected into the hollow inner cavity of the dust removal bracket 12 from the liquid pipe 6 through the sealing joint, and then sprayed out from the water spray hole on the outer wall of the dust removal pipe 15, realizing the function of automatic water addition and mixing, and the dust generated by mixing can be reduced during the water spraying process, which plays a role of automatic dust removal. At the same time, the scraper 18 is in contact with the inner wall of the mixing tank 10, and when the mixer is cleaned later, it plays a role of scraping off residual dust, and has a good automatic dust removal effect.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A concrete mixer with automatic dust removal function, comprising a mixing tank (10), the bottom of the mixing tank (10) is connected to a discharge port (3), the bottom of the mixing tank (10) is equipped with a mixing motor (2), and the inner cavity of the mixing tank (10) is provided with a mixing blade (21) connected to the rotating shaft of the mixing motor (2), characterized in that: A dust removal bracket (12) is arranged in the inner cavity of the stirring tank (10); a connecting pipe (13) is connected to the top of the dust removal bracket (12); a clamping block (14) is arranged at the end of the connecting pipe (13); a plurality of dust removal pipes (15) are vertically arranged on the outer wall of the dust removal bracket (12); water spray holes are evenly arranged on the outer wall of the dust removal pipe (15); a cross clamping groove (22) is arranged on the top of the stirring blade (21); and the clamping block (14) is clamped into the cross clamping groove (22).

2. The concrete mixer with automatic dust removal function according to claim 1, characterized in that: A plurality of mounting tubes (17) are welded to the outer wall of the dust removal bracket (12), and a scraper (18) is inserted into the outer wall of the mounting tube (17), and the scraper (18) is in contact with the inner wall of the stirring tank (10).

3. The concrete mixer with automatic dust removal function according to claim 1, characterized in that: The number of the dust removal pipes (15) is 1, and the plurality of dust removal pipes (15) and the mounting pipes (17) are distributed in an alternating manner. A fixing bracket (16) is welded between the plurality of dust removal pipes (15) and the mounting pipes (17).

4. The concrete mixer with automatic dust removal function according to claim 1, characterized in that: A base (9) is welded to the outer wall of the stirring tank (10), a telescopic rod (8) is installed on the upper end surface of the base (9), the top of the telescopic rod (8) is connected to the delivery pipe (4), and the top of the delivery pipe (4) is inserted into the inner cavity of the block (14) and threadedly connected to the fastening nut (11).

5. The concrete mixer with automatic dust removal function according to claim 4, characterized in that: The delivery pipe (4) is plugged with a liquid pipe (6), the end of the liquid pipe (6) is connected to an external liquid tank, a mounting flange (19) is provided at the bottom of the delivery pipe (4), a fastening nut (11) is sleeved on the mounting flange (19) and is threadedly connected to the top of the clamping block (14).

6. The concrete mixer with automatic dust removal function according to claim 5, characterized in that: A sealing joint (20) is provided at the bottom of the delivery pipe (4), and the sealing joint (20) is inserted into a groove provided at the top of the clamping block (14).

7. The concrete mixer with automatic dust removal function according to claim 1, characterized in that: The outer wall of the delivery pipe (4) is sleeved with a top cover (5), and the delivery pipe (4) is provided with a flow meter (7).

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