CN219325366U - Concrete mixer - Google Patents

Abstract

The utility model discloses a concrete mixer, which comprises a tank body. The lower part of the tank body is fixedly connected with a base. Connected with a stirring motor, the top of the tank is provided with a feeding port, the top of the feeding port is fixedly connected with a stirring shaft stabilizing rod, the middle part of the stirring shaft stabilizing rod is fixedly connected with a shaft buckle, and the inner wall on one side of the feeding port is fixedly connected with a lower layer guide hopper The upper part of the inner wall of the lower guide hopper is fixedly connected with the upper guide hopper, the bottom of the tank body is provided with a discharge port, the upper part of the tank body is provided with an inspection platform, and one side of the inspection platform is fixedly connected with a rotating rod. The utility model is equipped with a switch A and a switch B, which ensures that the machine will be started only when two workers confirm the safety at the same time, which greatly increases the safety and reliability of the machine.

Description

a concrete mixer

technical field

The utility model relates to the technical field of cement, in particular to a concrete mixer.

Background technique

A concrete mixer is a machine that mixes cement, sand and gravel aggregates and water and mixes them into concrete mixtures. It is mainly composed of a mixing drum, a feeding and unloading mechanism, a water supply system, a prime mover, a transmission mechanism, a frame and a supporting machine, etc. During the construction of water conservancy projects, the use of concrete mixers is the most common.

A mixer for cement processing with the patent number CN212578880U, including a servo motor, one end of the servo motor is fixedly connected to one end of the extension shaft, one side of the curved surface of the extension shaft is fixedly connected to one end of the first countersunk bolt, and the first countersunk bolt The other end of the fixed sleeve is fixedly connected to one side of the fixed sleeve, and the other side of the fixed sleeve is fixedly connected to one end of the stirring head. The other end of the stirring head is provided with a T-shaped slot, and the inner surface of the T-shaped slot is connected to the T-shaped plug. One end is socketed on the surface, and the other end of the T-shaped plug is fixedly connected to one end of the inclined stirring head.

Above-mentioned blender has following deficiency:

1. The mixer can turn up the cement deposited at the inner corner of the mixing tank through the inclined mixing head, which reduces the lumps formed in the cement mixing and improves the efficiency of concrete use. However, the feeding port adopts an open design. Although it increases the convenience of feeding operation in the mixing process, but because the designer has not carried out any safety protection treatment on the machine, there is a great potential safety hazard for the operator in the process of using it.

2. The inclined mixing head used in this machine only has the effect of turning over the cement, and the cement adhered to the cylinder wall still cannot be cleaned in time and effectively, which makes the mixing effect of the machine unsatisfactory.

Utility model content

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the purpose of this utility model is to provide a concrete mixer, which adopts multiple safety protection measures, greatly increasing the safety and reliability of the machine operation.

(2) Technical solution

In order to achieve the above object, the utility model provides the following technical solution, a concrete mixer, including a tank, the bottom of the tank is fixedly connected with a base, the bottom of the base is fixedly connected with a support leg, and the support leg is away from One end of the base is fixedly connected with a supporting foot, the bottom of the tank body is fixedly connected with a stirring motor, the top of the tank body is provided with a feeding port, and the top of the feeding port is fixedly connected with a stirring shaft stabilizing rod, and the stirring shaft The middle part of the stabilizing rod is fixedly connected with a shaft buckle, the inner wall on one side of the feeding port is fixedly connected with a lower layer guide hopper, the upper part of the inner wall of the lower layer guide hopper is fixedly connected with an upper layer guide hopper, and the bottom of the tank body is provided with a discharge The mouth, the support foot adopts a tapered design, which increases the grip of the support leg and enhances the stability of the machine operation.

As a preferred solution, the upper part of the tank body is provided with an inspection platform, one side of the inspection platform is fixedly connected with a rotating rod, the two ends of the rotating rod are sleeved with supporting columns, and the top of the supporting column is provided with a rotary slot, and the side of the rotating rod far away from the maintenance platform is fixedly connected with an extension rod, through which the internal state of the machine can be clearly understood.

As a preferred solution, the end of the extension rod away from the rotating rod is rotatably connected with a roller, the bottom of the roller is fixedly connected with a pull rope, and the end of the pull rope away from the roller is fixedly connected with a metal insert, and the metal insert It is fixed by the pull cord and swings up and down with the extension rod.

As a preferred solution, the output end of the stirring motor is equipped with a stirring shaft, the upper part of the stirring shaft is provided with a shaft groove, the middle part of the stirring shaft is provided with a thread guide groove, and the middle part of the stirring shaft is fixedly connected with a stirring A scraper is fixedly connected to the end of the stirring rod away from the stirring shaft, and the shaft buckle is socketed with the shaft groove, which greatly increases the stability of the stirring motor in operation.

As a preferred solution, the bottom of the stirring motor is electrically connected to the positive wire of the motor, the end of the positive wire of the motor far away from the stirring motor is electrically connected to a switch A, and the side of the switch A away from the positive wire of the motor is electrically connected to a The external positive line, switch A controls the on-off between the positive line of the motor and the external positive line.

As a preferred solution, the bottom of the stirring motor is electrically connected to a motor negative line, and one end of the motor negative line away from the stirring motor is electrically connected to a switch B, and the side of the switch B far away from the motor negative line is electrically connected to a The inner negative pole line is connected, and the switch B controls the on-off between the inner negative pole line and the motor negative pole line.

As a preferred solution, one side of the metal slug is slidably connected to an external negative line, and the other side is slidably connected to an end of the internal negative line away from switch B, and the metal slug controls the connection between the internal negative line and the external negative line. on and off.

(3) Beneficial effects

Compared with the prior art, the utility model provides a concrete mixer, which has the following beneficial effects:

1. The utility model is equipped with switch A and switch B on the line, which ensures that the machine will only be started when two workers confirm the safety at the same time. The metal insert is designed on the structure, and only when there is no The machine can only be started when the staff is working, and the safety of the machine is greatly increased under the effect of this double-layer insurance.

2. The stirring shaft of the utility model adopts the design of the threaded stirring shaft, so that the cement at the bottom of the tank can also be fully stirred, increasing the stirring rate, and a scraper is also designed on the stirring rod to prevent part of the cement from sticking to the tank The wall causes the situation that the mixing effect is not good.

Description of drawings

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

Fig. 2 is the utility model tank structure schematic diagram;

Fig. 3 is a schematic diagram of the bottom structure of the tank body of the present utility model;

Fig. 4 is the enlarged schematic diagram of the structure at B in Fig. 1 of the present utility model;

Fig. 5 is the structure schematic diagram of the utility model stirring shaft;

Fig. 6 is a schematic diagram of an enlarged structure at A in Fig. 1 of the present utility model.

In the figure: 1. Tank body; 2. Base; 3. Supporting legs; 4. Supporting feet; 5. Stirring motor; ;10, maintenance platform; 11, rotating rod; 12, turning slot; 13, roller; 14, pull rope; 15, support column; 16, extension rod; , external positive wire; 20, discharge port; 21, metal insert; 22, stirring shaft; 23, shaft groove; 24, scraper block; 25, stirring rod; 26, thread guide groove; 28. Motor positive wire; 29. Switch A; 30. Feeding port; 31. Switch B.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Example 1

Please refer to FIG. 1, FIG. 2, and FIG. 3 to illustrate the present embodiment 1. A concrete mixer includes a tank body 1, the bottom of the tank body 1 is fixedly connected with a base 2, and the bottom of the base 2 is fixedly connected with a support leg 3, and the support leg 3 The end away from the base 2 is fixedly connected with a support foot 4, the support foot 4 adopts a tapered design, the bottom of the tank body 1 is fixedly connected with a stirring motor 5, and the top of the tank body 1 is provided with a feeding port 30, and the top of the feeding port 30 is fixedly connected There is a stirring shaft stabilizing rod 6, the middle part of the stirring shaft stabilizing rod 6 is fixedly connected with a shaft buckle 7, the inner wall on one side of the feeding port 30 is fixedly connected with a lower layer guide hopper 8, and the upper part of the inner wall of the lower layer guide hopper 8 is fixedly connected with an upper layer guide hopper 9 , the bottom of the tank body 1 is provided with a discharge port 20;

In this embodiment, the support foot 4 adopts a tapered design, which can firmly grasp the ground to enhance the stability of the machine operation, and the guide hopper can guide cement, gravel aggregate and water into the tank body 1 accurately.

Example 2

Please refer to Fig. 1, Fig. 4 and Fig. 5 to illustrate the second embodiment. The upper part of the tank body 1 is provided with an inspection platform 10. The inspection platform 10 is made of light-weight and high-strength materials, and the inside of the tank body 1 can be clearly seen above it. In this case, one side of the maintenance platform 10 is fixedly connected with a rotating rod 11, and the two ends of the rotating rod 11 are sleeved with supporting columns 15, and the top of the supporting column 15 is provided with a rotating groove 12, and the rotating rod 11 is far away from the side of the maintenance platform 10. An extension rod 16 is fixedly connected, and the end of the extension rod 16 away from the rotating rod 11 is rotatably connected to a roller 13. Both the extension rod 16 and the roller 13 are made of high-quality and high-strength metal, and the bottom of the roller 13 is fixedly connected with a pull cord 14. The end of the pull rope 14 away from the roller 13 is fixedly connected with a metal insert 21, the output end of the stirring motor 5 is equipped with a stirring shaft 22, the upper part of the stirring shaft 22 is provided with a shaft groove 23, and the middle part of the stirring shaft 22 is provided with a screw thread The material guide groove 26, the middle part of the stirring shaft 22 is fixedly connected with a stirring rod 25, and the end of the stirring rod 25 away from the stirring shaft 22 is fixedly connected with a scraper 24;

In this embodiment, the total mass of the extension rod 16, the roller 13, the stay cord 14 and the metal insert 21 is equal to the total mass of the overhaul stand 10, and the thread guide groove 26 can transport the cement at the bottom of the tank body 1 to the upper part, so that It is stirred more fully, and the scraper block 24 can scrape off the cement adhering to the tank wall to enhance the stirring effect.

Example 3

Please refer to FIG. 1 and FIG. 6 to illustrate the third embodiment. The bottom of the stirring motor 5 is electrically connected to the motor positive wire 28, and the end of the motor positive wire 28 away from the stirring motor 5 is electrically connected to the switch A 29, and the switch A 29 is far away from the motor. One side of the positive line 28 is electrically connected to the external positive line 19, the switch A 29 controls the on-off between the motor positive line 28 and the external positive line 19, the bottom of the stirring motor 5 is electrically connected to the motor negative line 27, the motor negative line The end of the line 27 far away from the stirring motor 5 is electrically connected to the switch B 31, and the side of the switch B 31 away from the motor negative line 27 is electrically connected to the internal negative line 17, and the switch B 31 controls the internal negative line 17 and the negative pole of the motor. On-off between the wires 27, one side of the metal insert 21 is slidably connected to the external negative line 18, and the other side is slidably connected to the end of the internal negative line 17 away from the switch B 31;

In this embodiment, the ends of the motor positive line 28 and the motor negative line 27 away from the stirring motor 5 are electrically connected to the switch A 29 and the switch B 31 respectively. Only when the switch A 29 and the switch B 31 are turned on at the same time can the stirring motor 5 normal work.

The working principle of the utility model is:

When using this machine, several staff members need to work together before it can be used normally. When in use, connect the external positive line 19 and the external negative line 18 to the external power supply respectively. When the power is turned on, two staff members need to turn on the switch at the same time. 29 and switch B 31;

If the machine cannot work normally, it means that there are staff members who are carrying out maintenance work on the machine on the maintenance platform 10. At this time, it is necessary to immediately turn off the power switch and get in touch with the staff on the maintenance platform 10 in time to ensure that the machine is working properly. staff are in a safe location;

If the machine can work normally, add cement, sand and gravel aggregate and water to the upper guide hopper 9 to make it fully stirred inside the tank body 1. When the machine is working, the stirring motor 5 drives the stirring shaft 22 to rotate, thereby driving the stirring rod 25 and scraper 24 rotate inside the tank body 1, wherein the thread guide groove 26 on the stirring shaft 22 will drive the cement at the bottom to move to the upper part of the tank body 1, so that the cement at the bottom of the tank body 1 can be stirred more fully. After the cement is fully stirred, the stirred cement can be discharged from the tank body 1 through the discharge port 20, and the cement mixing work is completed.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. A concrete mixer, comprising a tank body (1), characterized in that: the lower part of the tank body (1) is fixedly connected with a base (2), and the bottom of the base (2) is fixedly connected with a support leg ( 3), the end of the support leg (3) away from the base (2) is fixedly connected with a support foot (4), the bottom of the tank body (1) is fixedly connected with a stirring motor (5), and the tank body (1) ) is provided with a feeding port (30), the top of the feeding port (30) is fixedly connected with a stirring shaft stabilizing rod (6), and the middle part of the stirring shaft stabilizing rod (6) is fixedly connected with a shaft buckle (7) , the inner wall on one side of the feeding port (30) is fixedly connected with a lower layer guide hopper (8), the upper part of the inner wall of the lower layer guide hopper (8) is fixedly connected with an upper layer guide hopper (9), and the tank body (1) A discharge port (20) is provided at the bottom. 2. A concrete mixer according to claim 1, characterized in that: the upper part of the tank (1) is provided with an inspection platform (10), and one side of the inspection platform (10) is fixedly connected with a rotary Rod (11), the two ends of the rotating rod (11) are sleeved with supporting columns (15), the top of the supporting column (15) is provided with a rotating slot (12), and the rotating rod (11) is far away from the maintenance One side of the platform (10) is fixedly connected with an extension rod (16). 3. A concrete mixer according to claim 2, characterized in that: the end of the extension rod (16) away from the rotating rod (11) is rotatably connected with a roller (13), and the roller (13) A stay rope (14) is fixedly connected to the bottom of the drawstring (14), and a metal insert (21) is fixedly connected to the end of the drawstring (14) away from the roller (13). 4. A concrete mixer according to claim 1, characterized in that: a stirring shaft (22) is installed at the output end of the stirring motor (5), and a shaft groove is opened on the upper part of the stirring shaft (22) (23), the middle part of the stirring shaft (22) is provided with a thread guide groove (26), the middle part of the stirring shaft (22) is fixedly connected with a stirring rod (25), and the stirring rod (25) is far away from the stirring One end of the shaft (22) is fixedly connected with a scraper (24). 5. A concrete mixer according to claim 1, characterized in that: the bottom of the stirring motor (5) is electrically connected to the motor positive wire (28), and the motor positive wire (28) is far away from the stirring motor One end of (5) is electrically connected to a switch A (29), and the side of the switch A (29) away from the motor positive line (28) is electrically connected to an external positive line (19). 6. A concrete mixer according to claim 1, characterized in that: the bottom of the stirring motor (5) is electrically connected to a motor negative wire (27), and the motor negative wire (27) is far away from the stirring motor One end of (5) is electrically connected to a switch B (31), and the side of the switch B (31) away from the motor negative wire (27) is electrically connected to an internal negative wire (17). 7. A concrete mixer according to claim 3, characterized in that: one side of the metal insert (21) is slidably connected to an external negative pole line (18), and the other side is connected to the internal negative pole line (17) ) slide connection away from switch B (31).

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