CN203863834U - Concrete mixer - Google Patents

Abstract

The utility model discloses a concrete mixer which comprises a mixing barrel, a feeding device and a water inlet device, wherein the mixing barrel comprises a barrel casing, rotating arms are arranged in the barrel casing, a water inlet and a feed inlet are formed in the upper end of the barrel casing, a discharge outlet is formed in the lower end of the barrel casing, the feed inlet is connected with the feeding device, the water inlet is connected with the water inlet device, an electronic weighing device is arranged at the lower part of each of the feeding device and the water inlet device, and the mixing barrel, the feeding device, the water inlet device and the electronic weighing devices are connected with a PLC (programmable logic controller). The concrete mixer can realize automatic, accurate and quantitative feeding and water adding, can control the rotating time of the mixing barrel so as to control the mixing time, and can automatically clean the mixing barrel after mixing.

Description

a concrete mixer

technical field

The utility model belongs to the field of construction machinery and relates to a mixer, in particular to a concrete mixer.

Background technique

A concrete mixer is a machine that mixes materials such as sand, gravel, cement and water with a certain ratio into uniform concrete. It usually consists of a motor, a support frame, a mixing drum and a mixing shaft. As a kind of engineering machinery, concrete mixer greatly improves the construction efficiency. At present, the concrete mixers used in various construction sites do not have metering devices, but the construction requires that the concrete must be strictly metered. Therefore, the amount of raw materials added can only be judged according to the experience of the workers, and there is a defect of inaccurate metering, which cannot be guaranteed The quality of the concrete, and it is inconvenient to observe the mixing effect during the mixing process of the concrete. The workers need to stop the machine to observe the mixing effect, which is time-consuming, and the concrete mixer must be washed in time after use. The existing concrete mixer does not have washing equipment. .

Contents of the invention

The purpose of the utility model is to solve the technical problems existing in the prior art and provide a concrete mixer capable of accurate measurement and automatic control of the mixing effect.

In order to achieve the above object, the utility model adopts the following technical solutions: a concrete mixer, including a mixing tank, a feeding device and a water inlet device, the mixing tank includes a barrel shell, a rotating arm is arranged in the barrel shell, and the The upper end of the barrel shell is provided with a water inlet and a feed port, the lower end of the barrel shell is provided with a discharge port, the feed port is connected with the feeding device, the water inlet is connected with the water inlet device, the feeding device and An electronic weighing device is arranged below the water inlet device, and the mixing bucket, the feeding device, the water inlet device and the electronic weighing device are all connected with a PLC controller.

As a further improvement of the utility model, the feeding device includes a sand feeding device, a cement feeding device and a stone feeding device, and the sand feeding device, the cement feeding device and the stone feeding device are all connected with the PLC Controller connection.

As a further improvement of the utility model, a laser generator is provided above the mixing barrel, and the laser generator is connected with a PLC controller.

As a further improvement of the utility model, the laser generator is a holmium laser generator.

As a further improvement of the utility model, the feed port is connected with the feed device through a slide plate.

Compared with the prior art, the utility model has the following beneficial effects: the utility model is equipped with an electronic weighing device under the feeding device and the water inlet device, and the mixing bucket, the feeding device, the water inlet device and the electronic weighing device are all connected with each other. The PLC controller is connected, and the PLC controller can control the mixing tank, the feeding device and the water inlet device, and weigh the raw materials in the water inlet device and the feeding device, so as to realize automatic and accurate quantitative feeding, adding water, and the mixing tank The rotation time can further control the stirring time, and the mixing barrel can be cleaned automatically after stirring.

Description of drawings

Fig. 1 is the structural representation of the utility model.

The meanings of reference signs are as follows: 1. Stirring barrel; 2. Feeding device; 3. Water inlet device; 4. Laser generator; 5. PLC controller; 6. Rotating arm; 7. Outlet; 8. Feeding 9. Electronic weighing device; 10. Water inlet; 11. Barrel shell.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described:

As shown in Figure 1: a concrete mixer, including a mixing tank 1, a feeding device 2 and a water inlet device 3, the mixing tank 1 includes a barrel shell 11, the barrel shell 11 is provided with a rotating arm 6, and the upper end of the barrel shell 11 is provided with The water inlet 10 and the feed port 8, the lower end of the barrel shell 11 is provided with the discharge port 7, the feed port 8 is connected with the feed device 2, the water inlet 10 is connected with the water feed device 3, the feed device 2 and the water feed device 3 An electronic weighing device 9 is provided below, and the mixing tank 1 , the feeding device 2 , the water inlet device 3 and the electronic weighing device 9 are all connected to the PLC controller 5 .

Feed device 2 comprises sand material feed device, cement feed device and stone material feed device, and sand material feed device, cement feed device and stone material feed device are all connected with PLC controller 5.

A laser generator 4 is also arranged above the mixing barrel 1 , and the laser generator 4 is connected with a PLC controller 5 .

The laser generator 4 is a holmium laser generator, and the holmium laser generator can crush the gravel in the mixing tank very well, so as to improve the mixing efficiency and the quality of the concrete.

The feeding port 8 is connected to the feeding device 2 through a slide plate.

When in use, connect the rotating arm 6 with the servo motor, start the concrete mixer, and control the feeding device 2 and the water inlet device 3 through the PLC controller 5 to add water and materials to the mixing tank 1 through the feeding port 8 and the water inlet 10 respectively, The PLC controller 5 accurately controls the amount of water and materials added through the electronic weighing device 9, starts the servo motor to rotate, drives the rotating arm 6 to stir the concrete in the mixing bucket 1, and at the same time, the laser generator 4 also starts to operate. The large pieces of sand and gravel in the mixing tank 1 are crushed. After stirring for a specified time, the servo motor stops rotating, and the mixed concrete can be released from the discharge port 7 at the lower end of the mixing tank 1. After the concrete is released, the water inlet device 3 passes through the The water inlet 10 sprays water into the mixing tank 1 to clean the mixing tank 1 to complete the mixing operation.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (4)

1. A concrete mixer, comprising a mixing bucket (1), a feeding device (2) and a water inlet device (3), the mixing bucket (1) includes a bucket shell (11), and the inside of the bucket shell (11) A rotating arm (6) is provided, a water inlet (10) and a feed port (8) are provided at the upper end of the barrel shell (11), and a discharge port (7) is provided at the lower end of the barrel shell (11). The feed inlet (8) is connected to the feed device (2), and the water inlet (10) is connected to the water inlet device (3), characterized in that: the feed device (2) and the water inlet device (3) An electronic weighing device (9) is provided below, and the mixing tank (1), feeding device (2), water inlet device (3) and electronic weighing device (9) are all connected to the PLC controller (5) , A laser generator (4) is also provided above the mixing barrel (1), and the laser generator (4) is connected with a PLC controller (5). 2. The concrete mixer according to claim 1, characterized in that: the feeding device (2) includes a sand feeding device, a cement feeding device and a stone feeding device, and the sand feeding device, cement Both the feeding device and the stone feeding device are connected with the PLC controller (5). 3. The concrete mixer according to claim 1, characterized in that: the laser generator (4) is a holmium laser generator. 4. The concrete mixer according to claim 1, characterized in that: the feeding port (8) is connected to the feeding device (2) through a slide plate.