CN217046979U

CN217046979U - Dosing unit is used in concrete production

Info

Publication number: CN217046979U
Application number: CN202220848627.2U
Authority: CN
Inventors: 万生科; 陶举银
Original assignee: Jingmen Feichi Mortar Co ltd
Current assignee: Jingmen Chengkong Feichi New Materials Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-07-26
Anticipated expiration: 2032-04-13

Abstract

The utility model discloses a batching device for concrete production, which belongs to the technical field of batching for concrete production, and comprises a mixing tank, wherein one side of the top of the mixing tank is provided with an aggregate feeding hopper, the discharge port of the aggregate feeding hopper is provided with an electric valve, the top of the mixing tank is also respectively provided with a cement inlet pipe and an exhaust port, the opening part of the exhaust port is provided with a dust-proof filter screen, the mixing tank is provided with a fixing mechanism, the dust-proof filter screen is fixed at the exhaust port through the fixing mechanism, one side of the mixing tank is fixedly provided with a stirring motor, the output shaft of the stirring motor is connected with a rotating shaft, the rotating shaft is rotatably connected in the mixing tank, stirring rods which are uniformly distributed are fixed on the rotating shaft, the end parts of the stirring rods are respectively provided with stirring blades, and the stirring blades are both in sliding connection with the inner wall of the mixing tank; this dosing unit can prevent effectively that the cement ash from spilling over the polluted environment when the feeding mixes, and reducible cement loss reduces the concrete cost, and the convenient later stage of complete machine clearance, and the convenience is strong.

Description

Dosing unit for concrete production

Technical Field

The utility model relates to a concrete production batching technical field especially relates to a dosing unit is used in concrete production.

Background

The concrete mixing plant is a combined batching device for intensively mixing concrete, is also called as a concrete precast yard, has high productivity due to high mechanization and automation degree, can ensure the quality of the concrete and save cement, and is commonly used for large-scale and medium-scale water conservancy, electric power, bridge and other projects with large concrete engineering quantity, long construction period and centralized construction sites. The production and processing of concrete in a concrete mixing plant mainly comprises the following steps: the sand and stone material, the fly ash, the cement, the water reducing agent, the water and other raw materials are weighed and mixed according to a specified weight proportion, and then the weighed raw materials are sent into a concrete mixer to be fully stirred and mixed to prepare the concrete.

At present concrete in the batching process, pour into the blending tank through the feeder hopper after coarse aggregate and the batching of fine aggregate are accomplished, fall the automatic water that adds in the material in-process in step to jar, water-reducing agent and cement, and to the in-process of blending tank pump sending joining cement, because the feeder hopper is in the open mode, partial cement overflows by feeder hopper department, not only the polluted environment, and cause partial cement extravagant, and after the stirring station work is accomplished, adhere to a small amount of concrete on blending tank inner wall and the puddler, need wait that the concrete hardens the back manual work and knock off the concrete piece, it is comparatively inconvenient to clear up, need improve to this.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of dosing unit for concrete production has solved the in-process of adding cement to the blending tank pump sending, because the feeder hopper is in the open mode, partial cement is spilled over by feeder hopper department, and not only the polluted environment causes partial cement extravagant moreover to after the stirring station work is accomplished, adhere to a small amount of concrete on blending tank inner wall and the puddler, need wait that the concrete hardens the back manual work and knock off the concrete piece, clear up comparatively inconvenient problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a batching device for concrete production comprises a mixing tank, wherein an aggregate feeding hopper is arranged on one side of the top of the mixing tank, an electric valve is arranged at the discharge port of the aggregate feeding hopper, a cement inlet pipe and an exhaust port are respectively arranged on the top of the mixing tank, a dust-separation filter screen is arranged at the opening of the exhaust port, a fixing mechanism is arranged on the mixing tank, the dust-separation filter screen is fixed at the exhaust port through the fixing mechanism, a stirring motor is fixedly arranged on one side of the mixing tank, a rotating shaft is connected to an output shaft of the stirring motor, the rotating shaft is rotatably connected in the mixing tank, uniformly distributed stirring rods are fixed on the rotating shaft, stirring blades are arranged at the end parts of the stirring rods, the end parts of the stirring blades are attached to the inner wall of the mixing tank, a discharge port is arranged at the bottom of the mixing tank, and a discharge door is movably arranged at the discharge port in a sealing manner, and a door opening cylinder for driving the discharge door is fixedly arranged at the bottom of the mixing tank.

Adopt above-mentioned scheme, when adding the raw materials and mixing in to the blending tank, go into cement again after each raw materials feeding, the feeder hopper that gathers materials this moment is closed, exhausts through the gas vent, and the dust separation filter screen on the gas vent can prevent the cement ash to spill over the jar body, prevents cement ash polluted environment, reduces the cement loss simultaneously, can reduce concrete manufacturing cost to the dismouting of being convenient for of dust separation filter screen, convenient follow-up washing the dust separation filter screen, the convenience is strong.

As preferred, fixed establishment is including fixing two locating plates that lie in the gas vent both sides on the blending tank, the blending tank top is fixed with two first fixed plates, equal sliding connection has the movable rod of U-shaped on the first fixed plate, the tip of movable rod all is connected with wedge-shaped spacing fixture block, be connected with the reset spring that the cover was established on the movable rod between first fixed plate and the spacing fixture block, spacing fixture block all contradicts the top surface at the dust separation filter screen, the other end of movable rod is connected with the connecting rod, the other end of connecting rod all articulates there is movable connecting rod, one side of gas vent is equipped with presses the briquetting, just movable connecting rod's the other end all articulates on pressing the briquetting.

Adopt above-mentioned scheme, can realize the dismantlement and the installation operation of dust separation filter screen through pressing according to the briquetting, the follow-up dismantlement washing to dust separation filter screen of being convenient for improves the convenience of clearing up the filter screen.

Preferably, the fixing mechanism further comprises two second fixing plates fixed on the mixing tank, and the movable rods are respectively connected to the corresponding second fixing plates in a sliding manner.

By adopting the scheme, when the dust-proof filter screen is disassembled and assembled, the movable rod drives the two limiting clamping blocks to move, the movable rod slides on the first fixing plate and the second fixing plate at the moment, the movable rod is guided by the second fixing plate matched with the first fixing plate, and the stability of the movable rod during movement is improved.

Preferably, two fixing rods are fixed on the rod body of the rotating shaft, scrapers are fixed at the end parts of the two fixing rods, and the scrapers are attached to the inner wall of the mixing tank.

Adopt above-mentioned scheme, set up in the pivot with the scraper blade of blending tank inner wall contact, can scrape adnexed concrete down on the blending tank inner wall during the ejection of compact, prevent that the concrete adhesion is on jar internal wall, reduce the clearance work load of later stage to the blending tank inside.

Preferably, the rear end of the mixing tank is provided with a fixing ring, and the mixing tank is fixed with a rear cover plate through a fixing ring bolt.

Adopt above-mentioned scheme, when clearing up the blending tank inside, through lifting off the back shroud, the staff can make things convenient for the remaining concrete of blending tank inside to clear up, convenience when improving the clearance.

Preferably, a telescopic rod is fixed to one side surface of the pressing block, and a telescopic end of the telescopic rod is fixed to a side wall of the exhaust port.

Adopt above-mentioned scheme, when carrying out the dismouting to the dust separation filter screen through pressing according to the briquetting, the telescopic link is synchronous to be compressed and the extension, supports and leads according to the briquetting through the telescopic link, improves according to the stability when briquetting is pressed.

The bottom of blending tank is seted up two spouts that supply the discharge gate activity, two spout symmetric distribution is in the both sides of bin outlet.

Adopt above-mentioned scheme, because concrete quality is heavier, discharge door 14 slides and sets up on spout 19 for can remain stable when discharge door 14 supports the concrete, and guarantee the stability when discharge door 14 opens and close.

The utility model has the advantages that:

when the raw materials are added into the mixing tank for mixing, cement is pumped in after the raw materials are fed, the aggregate feeding hopper can be closed at the moment, the air is exhausted through the air outlet, the dust-proof filter screen on the air outlet can prevent cement ash from overflowing the tank body, the cement ash is prevented from polluting the environment, the cement loss is reduced, the production cost of the concrete can be reduced, the dust-proof filter screen can be detached by pressing the pressing block, the dust-proof filter screen can be conveniently cleaned subsequently, and the convenience is high;

this dosing unit can scrape adnexed concrete on the blending tank inner wall down through setting up the scraper blade in the pivot during the ejection of compact, prevents that the concrete adhesion from reducing later stage clearance work load on jar internal wall to the accessible is lifted the back shroud off and is cleared up the inside remaining concrete of blending tank, has the convenient advantage of clearance.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the mixing tank of the present invention;

fig. 3 is a schematic structural view of the fixing mechanism of the present invention;

fig. 4 is a side sectional view of the present invention.

In the figure: 1. a mixing tank; 2. an aggregate feed hopper; 3. an electrically operated valve; 4. feeding cement into the pipe; 5. an exhaust port; 6. a dust-proof filter screen; 7. a fixing mechanism; 71. positioning a plate; 72. a first fixing plate; 73. a movable rod; 74. a limiting clamping block; 75. a return spring; 76. a connecting rod; 77. pressing the block; 78. a movable connecting rod; 79. a telescopic rod; 710. a second fixing plate; 8. a stirring motor; 9. a rotating shaft; 10. a stirring rod; 11. a stirring blade; 12. a fixing ring; 13. a rear cover plate; 14. a discharge door; 15. a door opening cylinder; 16. a discharge outlet; 17. a fixing rod; 18. a squeegee; 19. a chute.

Detailed Description

Examples

Referring to fig. 1-4, the utility model provides a batching device for concrete production, which comprises a mixing tank 1, an aggregate feeding hopper 2 is arranged on one side of the top of the mixing tank 1, an electric valve 3 is arranged at the discharge outlet of the aggregate feeding hopper 2, a cement inlet pipe 4 and an exhaust port 5 are respectively arranged on the top of the mixing tank 1, a dust-proof filter screen 6 is arranged at the opening of the exhaust port 5, a fixing mechanism 7 is arranged on the mixing tank 1, the dust-proof filter screen 6 is fixed at the exhaust port 5 through the fixing mechanism 7, a stirring motor 8 is fixedly arranged on one side of the mixing tank 1, an output shaft of the stirring motor 8 is connected with a rotating shaft 9, the rotating shaft 9 is rotatably connected in the mixing tank 1, uniformly distributed stirring rods 10 are fixed on the rotating shaft 9, stirring blades 11 are arranged at the ends of the stirring rods 10, the ends of the stirring blades 11 are all attached to the inner wall of the mixing tank 1, a discharge port 16 is arranged at the bottom of the mixing tank 1, a discharge door 14 is hermetically and movably arranged at the discharge port 16, and a door opening cylinder 15 for driving the discharge door 14 is fixedly arranged at the bottom of the mixing tank 1.

When adding the raw materials and mixing in to blending tank 1, go into cement again after each raw materials feeding, feeder hopper 2 that gathers materials this moment closes, exhausts through gas vent 5, and dust separation filter screen 6 on the gas vent 5 can prevent the cement ash to spill over the jar body, prevents cement ash polluted environment, reduces the cement loss simultaneously, can reduce concrete manufacturing cost to dust separation filter screen 6 dismouting of being convenient for, convenient follow-up washing dust separation filter screen, the convenience is strong.

Fixing mechanism 7 is including fixing two locating plates 71 that lie in gas vent 5 both sides on blending tank 1, 1 top of blending tank is fixed with two first fixed plates 72, equal sliding connection has the movable rod 73 of U-shaped on first fixed plate 72, the tip of movable rod 73 all is connected with wedge-shaped spacing fixture block 74, be connected with the reset spring 75 that the cover was established on movable rod 73 between first fixed plate 72 and the spacing fixture block 74, spacing fixture block 74 all contradicts at the top surface that separates dirt filter screen 6, the other end of movable rod 73 is connected with connecting rod 76, the other end of connecting rod 76 all articulates there is movable connecting rod 78, one side of gas vent 5 is equipped with presses briquetting 77, and movable connecting rod 78's the other end all articulates on pressing briquetting 77. In this embodiment, when needing to dismantle dust separation filter screen 6 and clearing up, press the activity of pressing block 77 through pressing down, press two movable connecting rod 78 synchronization action connecting rods 76 on the block 77, connecting rod 76 drives the spacing fixture block 74 of movable rod 73 and movable rod 73 tip and keeps away from each other, dust separation filter screen 6 loses spacingly this moment, take off it and can realize dismantling, when installing dust separation filter screen 6, two locating plates 71 are fixed a position dust separation filter screen 6 mounted position, the spacing fixture block 74 of extrusion both sides slowly opens in the dust separation filter screen 6 installation, when dust separation filter screen 6 is installed on gas vent 5, because reset spring 75 is to the effort of movable rod 73, make two spacing fixture block 74 automatic re-setting, fix dust separation filter screen 6 and realize the installation on gas vent 5.

The fixing mechanism 7 further comprises two second fixing plates 710 fixed on the mixing tank 1, and the movable rods 73 are respectively connected on the corresponding second fixing plates 710 in a sliding manner. In this embodiment, when the dust-separation filter screen 6 is detached and installed, the movable rod 73 drives the two limiting blocks 74 to move, and at this time, the movable rod 73 slides on the first fixing plate 72 and the second fixing plate 710, and the second fixing plate 710 is matched with the first fixing plate 72 to guide the movable rod 73, so that the stability of the movable rod 73 during movement is improved.

Two fixed rods 17 are fixed on the rod body of the rotating shaft 9, scrapers 18 are fixed at the end parts of the two fixed rods 17, and the scrapers 18 are attached to the inner wall of the mixing tank 1. In this embodiment, set up the scraper blade 18 with the contact of blending tank 1 inner wall in pivot 9, can scrape adnexed concrete down on the blending tank 1 inner wall during the ejection of compact, prevent that the concrete adhesion is on jar internal wall, reduce the clearance work volume of later stage to blending tank 1 inside.

The rear end of the mixing tank 1 is provided with a fixing ring 12, and the mixing tank 1 is fixed with a rear cover plate 13 through the fixing ring 12 by bolts. In this embodiment, when clearing up 1 inside of blending tank, through unloading back shroud 13, the staff can make things convenient for the inside remaining concrete of blending tank 1 to clear up, convenience when improving the clearance.

An expansion link 79 is fixed to one side surface of the pressing block 77, and an expansion end of the expansion link 79 is fixed to a side wall of the exhaust port 5. In this embodiment, when carrying out the dismouting to dust separation filter 6 through pressing according to piece 77, telescopic link 79 compresses and extends in step, supports and leads according to piece 77 through telescopic link 79, improves according to the stability when piece 77 is pressed.

The bottom of the mixing tank 1 is provided with two chutes 19 for the movement of the discharge gate 14, and the two chutes 19 are symmetrically distributed on two sides of the discharge opening 16. In this embodiment, because concrete quality is heavier, discharge door 14 slides and sets up on spout 19 for can remain stable when discharge door 14 supports the concrete, and guarantee the stability when discharge door 14 opens and close.

The working principle is as follows: when the batching device is used for mixing raw materials, firstly, each raw material is fed and then pumped with cement by a cement inlet pipe 4, at the moment, an aggregate feeding hopper 2 is closed by an electric valve 3, the cement is exhausted by an exhaust port 5 during feeding, a dust separation filter screen 6 on the exhaust port 5 can prevent cement ash from overflowing a tank body, a stirring motor 8 drives a rotating shaft 9 to rotate after the feeding is finished, a stirring rod 10 and a stirring blade 11 on the rotating shaft 9 fully mix the raw materials, meanwhile, a scraping plate 18 can prevent the raw materials from being attached to the inner wall of the tank body and ensure the full mixing of the raw materials, after the concrete is stirred, a door opening cylinder 15 drives a discharge door 14 to be opened, the concrete is discharged through a discharge port 16 and simultaneously drives the scraping plate 18 to rotate, the concrete attached to the inner wall of a mixing tank 1 is completely scraped and discharged, the inner wall is ensured to be clean, the later-stage cleaning operation amount is reduced, and the later-stage cleaning operation can be carried out by opening a rear cover plate 13 during the later-stage cleaning operation, when the dust-proof filter screen 6 needs to be disassembled for cleaning, the press block 77 is pressed to move, the two movable connecting rods 78 on the press block 77 act synchronously to form the connecting rod 76, the connecting rod 76 drives the movable rod 73 and the limiting fixture blocks 74 at the end parts of the movable rod 73 to be away from each other, at the moment, the dust-proof filter screen 6 loses limiting, the disassembly can be realized by taking the dust-proof filter screen 6 down, when the dust-proof filter screen 6 is installed, the two positioning plates 71 position the installation position of the dust-proof filter screen 6, the limiting fixture blocks 74 extruding two sides in the installation process of the dust-proof filter screen 6 are slowly opened, when the dust-proof filter screen 6 is installed on the exhaust port 5, due to the acting force of the reset spring 75 on the movable rod 73, the two limiting fixture blocks 74 automatically reset, and the dust-proof filter screen 6 is fixed on the exhaust port 5 to realize the installation.

Claims

1. The batching device for concrete production is characterized by comprising a mixing tank (1), wherein an aggregate feeding hopper (2) is arranged on one side of the top of the mixing tank (1), an electric valve (3) is arranged at the position of a discharging port of the aggregate feeding hopper (2), a cement inlet pipe (4) and an exhaust port (5) are further respectively arranged at the top of the mixing tank (1), a dust separation filter screen (6) is installed at an opening of the exhaust port (5), a fixing mechanism (7) is arranged on the mixing tank (1), the dust separation filter screen (6) is fixed at the position of the exhaust port (5) through the fixing mechanism (7), a stirring motor (8) is fixedly installed on one side of the mixing tank (1), a rotating shaft (9) is connected to an output shaft of the stirring motor (8), the rotating shaft (9) is rotatably connected into the mixing tank (1), and uniformly distributed stirring rods (10) are fixed on the rotating shaft (9), the tip of puddler (10) all is equipped with stirring vane (11), the tip of stirring vane (11) all laminates with the inner wall of blending tank (1) mutually, the bottom of blending tank (1) is equipped with bin outlet (16), bin outlet (16) department sealed movable mounting has discharge door (14), the bottom fixed mounting of blending tank (1) has door-opening cylinder (15) that are used for driving discharge door (14).

2. The batching device for concrete production according to claim 1, wherein the fixing mechanism (7) comprises two positioning plates (71) fixed on the mixing tank (1) and located at two sides of the exhaust port (5), two first fixing plates (72) are fixed at the top of the mixing tank (1), U-shaped movable rods (73) are connected to the first fixing plates (72) in a sliding manner, wedge-shaped limiting clamping blocks (74) are connected to the ends of the movable rods (73), a return spring (75) sleeved on the movable rods (73) is connected between the first fixing plates (72) and the limiting clamping blocks (74), the limiting clamping blocks (74) are abutted against the top surface of the dust-isolating filter screen (6), a connecting rod (76) is connected to the other end of the movable rods (73), and movable connecting rods (78) are hinged to the other end of the connecting rod (76), one side of the exhaust port (5) is provided with a pressing block (77), and the other end of the movable connecting rod (78) is hinged on the pressing block (77).

3. The batching device for concrete production according to claim 2, wherein said fixing means (7) further comprise two second fixing plates (710) fixed to the mixing tank (1), and said movable bars (73) are respectively slidingly associated to the corresponding second fixing plates (710).

4. The batching device for concrete production according to claim 1, wherein two fixing rods (17) are fixed on the body of the rotating shaft (9), a scraper (18) is fixed on the end of each fixing rod (17), and the scraper (18) is attached to the inner wall of the mixing tank (1).

5. The batching device for concrete production according to claim 1, characterized in that said mixing tank (1) is provided at its rear end with a fixing ring (12), said mixing tank (1) being bolted with a rear cover plate (13) by means of said fixing ring (12).

6. The batching device for concrete production according to claim 2, wherein a telescopic rod (79) is fixed on one side surface of the pressing block (77), and a telescopic end of the telescopic rod (79) is fixed on a side wall of the exhaust port (5).

7. The batching device for concrete production according to claim 1, characterized in that the bottom of said mixing tank (1) is equipped with two chutes (19) for the movement of the discharge gate (14), said two chutes (19) being symmetrically distributed on both sides of the discharge opening (16).