A kind of building concrete premixing device

Abstract

The utility model discloses a building concrete premixing device, which belongs to the technical field of concrete production, and comprises a cavity, wherein a plurality of supporting legs are arranged at the lower end of the cavity, a discharge pipe is arranged at the middle position of the lower end of the cavity, a motor one is arranged at the middle position of the upper end of the cavity, a stirring shaft is arranged at the output end of the motor one, a plurality of stirring rods are arranged on the stirring shaft, a feed hopper is arranged at one side of the upper end of the cavity, and a crushing component is arranged in the feed hopper. The utility model arranges the crushing component, and after adding aggregate into the feed hopper, the motor two is turned on, the motor two drives the crushing roller one to rotate clockwise, the crushing roller one drives the crushing roller two to rotate counterclockwise through the driving gear and the driven gear, the aggregate enters between the crushing roller one and the crushing roller two through the inclined seat, and the crushing component is arranged to make the crushing roller one and the crushing roller two rotate in opposite directions, so that larger aggregate can be crushed, thereby improving the practicality of the device.

Description

Technical Field

[0001] The utility model belongs to the technical field of concrete production, and in particular relates to a building concrete premixing device. Background Art

[0002] Concrete, abbreviated as "concrete", is a general term for engineering composite materials that are cemented into a whole by cementitious materials. The term concrete usually refers to cement as a cementitious material, sand and stone as aggregates, and water (which may contain admixtures and additives) in a certain proportion, and then mixed to obtain cement concrete, also known as ordinary concrete, which is widely used in civil engineering.

[0003] Chinese patent application No. 2021221122019 discloses a concrete mixing device with premix, including a mixing chamber, a supporting mechanism is arranged at the bottom of the mixing chamber, the supporting mechanism is composed of wear-resistant feet, supporting legs, and a mounting frame, a discharging chamber is arranged at the bottom of the mixing chamber, a discharging pipe is arranged at the bottom of the discharging chamber, a mounting cover is arranged at the top of the mixing chamber, a feed hopper is arranged on the upper surface of the mounting cover, a stirring mechanism is arranged inside the mixing chamber, the stirring mechanism is composed of a stirring motor, a stirring shaft, and a stirring rod, and a premixing mechanism is arranged inside the mixing chamber. In the utility model, a premixing mechanism and a stirring mechanism are arranged, the premixing mechanism can disperse the materials put in, preliminarily mix the materials, improve the mixing efficiency, and is easy to use, and the stirring mechanism can stir the materials, further improve the mixing efficiency, and is simple to use.

[0004] The above-mentioned patent cannot crush the larger premixed concrete aggregates, and has poor practicality. At the same time, when the original device performs premixing and stirring, it is impossible to clean the inner wall of the cavity, and fine aggregates are easily attached to the inner wall of the cavity. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a construction concrete premixing device, which has a crushing function and can crush larger concrete aggregates.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a building concrete premixing device, comprising a cavity, a plurality of supporting legs are arranged at the lower end of the cavity, a discharge pipe is arranged at the middle position of the lower end of the cavity, a motor is arranged at the middle position of the upper end of the cavity, a stirring shaft is arranged at the output end of the motor, a plurality of stirring rods are arranged on the stirring shaft, a feed hopper is arranged on one side of the upper end of the cavity, a vertical scraper is arranged on one side of the cavity, an inclined scraper is arranged at the lower end of the vertical scraper, the inclined scraper and the stirring shaft are connected by an inclined rod, cross bars are arranged on both sides between the vertical scraper and the stirring shaft, reinforcing rods are arranged on both sides between the two cross bars, the side edges of the vertical scraper are tightly attached to the inner wall of the cavity and the side edges of the inclined scraper are tightly attached to the inner wall of the cavity, the vertical scraper and the inclined scraper are welded by spot welding, and a crushing assembly is arranged in the feed hopper;

[0007] The crushing assembly includes motor 2, crushing roller 1, crushing roller 2, an inclined seat, a driving gear, a driven gear and a dust reduction assembly, wherein motor 2 is arranged on one side of the front end of the feed hopper, crushing roller 1 is arranged on the output end of motor 2, crushing roller 2 is arranged on one side of the crushing roller 1, a driving gear is arranged on the rear end of the crushing roller 1, a driven gear is arranged on the rear end of the crushing roller 2, inclined seats are arranged at both ends inside the feed hopper, and a dust reduction assembly is arranged on one side of the upper end of the feed hopper.

[0008] Preferably, the dust reduction assembly includes a support plate, a water tank, a fixed pipe, a nozzle, a water pump and a water supply pipe, wherein a support plate is provided on the upper side of one end of the cavity, a water tank is provided on the upper end of the support plate, a water pump is provided on the upper end of the water tank, a fixed pipe is provided on one side of the upper end of the feed hopper, a plurality of nozzles are provided at one end of the fixed pipe, and the fixed pipe and the water pump are connected by a water supply pipe.

[0009] Preferably, a water injection pipe is provided on one side of the upper end of the water tank, and a bearing rotating seat is provided between the first crushing roller and the feed hopper and between the second crushing roller and the feed hopper.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The utility model sets a crushing assembly, adds aggregate into the feed hopper and then turns on the motor 2, the motor 2 drives the crushing roller 1 to rotate clockwise, the crushing roller 1 drives the crushing roller 2 to rotate counterclockwise through the driving gear and the driven gear, the aggregate enters between the crushing roller 1 and the crushing roller 2 through the inclined seat, and the crushing assembly is set to make the crushing roller 1 and the crushing roller 2 rotate in opposite directions, so that larger aggregates can be crushed, thereby improving the practicality of the device.

[0012] 2. The utility model provides vertical scrapers and oblique scrapers. When the stirring shaft rotates, the stirring shaft drives the vertical scrapers and the oblique scrapers to rotate through the cross bar and the oblique bar respectively. The rotation of the vertical scrapers and the oblique scrapers can clean the inner wall of the cavity to prevent fine aggregates from adhering to the inner wall of the cavity. At the same time, reinforcing rods are provided on both sides between the two cross bars to make the cross bars more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the utility model;

[0014] Figure 2 It is a rear cutaway stereoscopic view of the cavity of the utility model;

[0015] Figure 3 This is a cutaway perspective view of the feed hopper of the utility model;

[0016] In the figure: 1. Cavity; 2. Crushing assembly; 21. Motor 2; 22. Crushing roller 1; 23. Crushing roller 2; 24. Slanted seat; 25. Driving gear; 26. Driven gear; 27. Dust suppression assembly; 271. Support plate; 272. Water tank; 273. Fixed pipe; 274. Nozzle; 275. Water pump; 276. Water supply pipe; 3. Feed hopper; 4. Motor 1; 5. Discharge pipe; 6. Support leg; 7. Agitator shaft; 8. Agitator rod; 9. Vertical scraper; 10. Slanted scraper; 11. Cross bar; 12. Reinforcement bar; 13. Slanted bar. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-3 The utility model provides the following technical solutions: a building concrete premixing device, comprising a cavity 1, a plurality of supporting legs 6 are arranged at the lower end of the cavity 1, a discharge pipe 5 is arranged at the middle position of the lower end of the cavity 1, a motor 4 is arranged at the middle position of the upper end of the cavity 1, a stirring shaft 7 is arranged at the output end of the motor 4, a plurality of stirring rods 8 are arranged on the stirring shaft 7, a feed hopper 3 is arranged at one side of the upper end of the cavity 1, a vertical scraper 9 is arranged at one side of the interior of the cavity 1, an inclined scraper 10 is arranged at the lower end of the vertical scraper 9, the inclined scraper 10 and the stirring shaft 7 are connected by an inclined rod 13, cross bars 11 are arranged on both sides between the vertical scraper 9 and the stirring shaft 7, reinforcing rods 12 are arranged on both sides between the two cross bars 11, the side edges of the vertical scraper 9 and the inner wall of the cavity 1 and the side edges of the inclined scraper 10 and the inner wall of the cavity 1 are all in close contact, the vertical scraper 9 and the inclined scraper 10 are welded by spot welding, and a crushing assembly 2 is arranged in the feed hopper 3;

[0019] The crushing assembly 2 includes a motor 21, a crushing roller 22, a crushing roller 23, an inclined seat 24, a driving gear 25, a driven gear 26 and a dust reduction assembly 27, wherein a motor 21 is arranged on one side of the front end of the feed hopper 3, a crushing roller 22 is arranged on the output end of the motor 21, a crushing roller 23 is arranged on one side of the crushing roller 22, a driving gear 25 is arranged on the rear end of the crushing roller 22, a driven gear 26 is arranged on the rear end of the crushing roller 23, inclined seats 24 are arranged at both ends inside the feed hopper 3, and a dust reduction assembly 27 is arranged on one side of the upper end of the feed hopper 3.

[0020] By adopting the above technical solution, after adding aggregate into the feed hopper 3, the motor 21 is turned on, the motor 21 drives the crushing roller 1 22 to rotate clockwise, and the crushing roller 1 22 drives the crushing roller 2 23 to rotate counterclockwise through the driving gear 25 and the driven gear 26. The aggregate enters between the crushing roller 1 22 and the crushing roller 2 23 through the inclined seat 24. By setting the crushing assembly 2 to make the crushing roller 1 22 and the crushing roller 2 23 rotate in opposite directions, larger aggregates can be crushed, thereby improving the practicality of the device.

[0021] Specifically, the dust reduction component 27 includes a support plate 271, a water tank 272, a fixed pipe 273, a nozzle 274, a water pump 275 and a water supply pipe 276, wherein a support plate 271 is arranged on the upper side of one end of the cavity 1, a water tank 272 is arranged on the upper end of the support plate 271, a water pump 275 is arranged on the upper end of the water tank 272, a fixed pipe 273 is arranged on one side of the upper end of the feed hopper 3, a plurality of nozzles 274 are arranged on one end of the fixed pipe 273, and the fixed pipe 273 and the water pump 275 are connected by a water supply pipe 276.

[0022] By adopting the above technical solution, the water pump 275 is turned on when the aggregate is crushed. The water pump 275 transports the water in the water tank 272 to the fixed pipe 273 through the water supply pipe 276. The nozzle 274 at one end of the fixed pipe 273 sprays water into the feed hopper 3, thereby reducing the dust generated by the crushing and reducing the pollution of dust to the air.

[0023] Specifically, a water injection pipe is provided on one side of the upper end of the water tank 272, and a bearing rotating seat is provided between the crushing roller 1 22 and the feed hopper 3 and between the crushing roller 2 23 and the feed hopper 3.

[0024] By adopting the above technical solution, a water injection pipe is provided to facilitate water replenishment in the water tank 272, and both the crushing roller 1 22 and the crushing roller 2 23 can rotate in the feed hopper 3.

[0025] When the present embodiment is used, the construction concrete premixing device is installed at a suitable position, concrete aggregate is added into the cavity 1 through the feed hopper 3, the motor 1 4 is turned on to drive the stirring shaft 7 and the stirring rod 8 to rotate to premix the concrete aggregate, and the premixed aggregate is discharged from the cavity 1 through the discharge pipe 5, and the crushing component 2 is set, and the aggregate is added into the feed hopper 3 and then the motor 2 21 is turned on, and the motor 2 21 drives the crushing roller 1 22 to rotate clockwise, and the crushing roller 1 22 drives the crushing roller 2 23 to rotate counterclockwise through the driving gear 25 and the driven gear 26, and the aggregate passes through the cavity 1. It passes through the inclined seat 24 and enters between the crushing roller 1 22 and the crushing roller 2 23. By setting the crushing component 2, the crushing roller 1 22 and the crushing roller 2 23 rotate in opposite directions, so that larger aggregates can be crushed, thereby improving the practicality of the device. By setting the dust reduction component 27, the water pump 275 is turned on when the aggregate is crushed. The water pump 275 transports the water in the water tank 272 to the fixed pipe 273 through the water supply pipe 276. The nozzle 274 at one end of the fixed pipe 273 sprays water into the feed hopper 3, thereby reducing the dust generated by the crushing and reducing the pollution of dust to the air.

[0026] The motor 21 in the utility model is an existing disclosed technology, and the selected model is 5IK120GN-CF.

[0027] The water pump 275 of the utility model is an existing disclosed technology, and the selected model is BJZ037.

[0028] The structure and working principle of the cavity 1, feed hopper 3, motor 4, discharge pipe 5, support leg 6, stirring shaft 7 and stirring rod 8 in the utility model have been disclosed in a concrete mixing device with premixing disclosed in Chinese patent application No. 2021221122019, and its working principle is to add concrete aggregate into the cavity 1 through the feed hopper 3, turn on the motor 4 to drive the stirring shaft 7 and the stirring rod 8 to rotate to premix the concrete aggregate, and the premixed aggregate is discharged from the cavity 1 through the discharge pipe 5.

[0029] The working principle and use process of the utility model: a construction concrete premixing device is installed at a suitable position, concrete aggregate is added into the cavity 1 through the feed hopper 3, the motor 1 4 is turned on to drive the stirring shaft 7 and the stirring rod 8 to rotate to premix the concrete aggregate, and the premixed aggregate is discharged from the cavity 1 through the discharge pipe 5, and a crushing component 2 is set. After the aggregate is added into the feed hopper 3, the motor 21 is turned on, and the motor 21 drives the crushing roller 1 22 to rotate clockwise, and the crushing roller 1 22 drives the crushing roller 2 23 to rotate counterclockwise through the driving gear 25 and the driven gear 26. The aggregate enters between the crushing roller 1 22 and the crushing roller 2 23 through the inclined seat 24, and the crushing component 2 is set to make the crushing roller 1 22 and the crushing roller 2 23 rotate in opposite directions, so that larger aggregates can be crushed Crushing, improving the practicality of the device, by setting the dust reduction component 27, turning on the water pump 275 when the aggregate is crushed, the water pump 275 transports the water in the water tank 272 to the fixed pipe 273 through the water supply pipe 276, and the nozzle 274 at one end of the fixed pipe 273 sprays water into the feed hopper 3, so as to carry out dust reduction treatment on the dust generated by the crushing and reduce the pollution of dust to the air. By setting the vertical scraper 9 and the inclined scraper 10, when the stirring shaft 7 rotates, the stirring shaft 7 drives the vertical scraper 9 and the inclined scraper 10 to rotate through the cross bar 11 and the inclined bar 13 respectively. The rotation of the vertical scraper 9 and the inclined scraper 10 can clean the inner wall of the cavity 1 to prevent fine aggregate from adhering to the inner wall of the cavity 1. At the same time, reinforcing rods 12 are arranged on both sides between the two cross bars 11 to make the cross bar 11 more stable.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A building concrete premixing device, comprising a cavity, characterized in that: A plurality of supporting legs are arranged at the lower end of the cavity, a discharge pipe is arranged at the middle position of the lower end of the cavity, a motor 1 is arranged at the middle position of the upper end of the cavity, a stirring shaft is arranged at the output end of the motor 1, a plurality of stirring rods are arranged on the stirring shaft, a feed hopper is arranged at one side of the upper end of the cavity, a vertical scraper is arranged at one side of the interior of the cavity, an inclined scraper is arranged at the lower end of the vertical scraper, the inclined scraper and the stirring shaft are connected by an inclined rod, cross bars are arranged on both sides between the vertical scraper and the stirring shaft, reinforcing rods are arranged on both sides between the two cross bars, the side edges of the vertical scraper are tightly attached to the inner wall of the cavity and the side edges of the inclined scraper are tightly attached to the inner wall of the cavity, the vertical scraper and the inclined scraper are welded by spot welding, and a crushing assembly is arranged in the feed hopper; The crushing assembly includes motor 2, crushing roller 1, crushing roller 2, an inclined seat, a driving gear, a driven gear and a dust reduction assembly, wherein motor 2 is arranged on one side of the front end of the feed hopper, crushing roller 1 is arranged on the output end of motor 2, crushing roller 2 is arranged on one side of the crushing roller 1, a driving gear is arranged on the rear end of the crushing roller 1, a driven gear is arranged on the rear end of the crushing roller 2, inclined seats are arranged at both ends inside the feed hopper, and a dust reduction assembly is arranged on one side of the upper end of the feed hopper.

2. A construction concrete premixing device according to claim 1, characterized in that: The dust reduction assembly includes a support plate, a water tank, a fixed pipe, a nozzle, a water pump and a water supply pipe, wherein a support plate is arranged on the upper side of one end of the cavity, a water tank is arranged on the upper end of the support plate, a water pump is arranged on the upper end of the water tank, a fixed pipe is arranged on one side of the upper end of the feed hopper, a plurality of nozzles are arranged at one end of the fixed pipe, and the fixed pipe and the water pump are connected by a water supply pipe.

3. A construction concrete premixing device according to claim 2, characterized in that: A water injection pipe is arranged on one side of the upper end of the water tank, and a bearing rotating seat is arranged between the first crushing roller and the feed hopper, and between the second crushing roller and the feed hopper.

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