CN218963927U

CN218963927U - Efficient bidirectional mixer

Info

Publication number: CN218963927U
Application number: CN202223440346.2U
Authority: CN
Inventors: 张帆; 胡晓林
Original assignee: Qingdao Pumaite Machinery Equipment Co ltd
Current assignee: Qingdao Pumaite Machinery Equipment Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-05
Anticipated expiration: 2032-12-21

Abstract

The utility model relates to the field of material stirring equipment, in particular to a high-efficiency bidirectional mixer, which comprises a stirring motor and a mixing bin which are arranged from top to bottom, wherein a stirring assembly is arranged in the mixing bin; a feed inlet is formed in the mixing bin, a fan-shaped discharge door is arranged at the bottom of the mixing bin, the discharge door is hinged with the side wall of the mixing bin through a rotating shaft, a door opening cylinder is arranged on the side face of the mixing bin, and the tail end of the movable end of the door opening cylinder is hinged with the discharge door through a door opening driving shaft; the stirring assembly comprises a first stirring shaft and a second stirring shaft, and the steering direction of the first stirring shaft and the steering direction of the second stirring shaft are the same as or opposite to the steering direction of the stirring motor. According to the utility model, revolution and autorotation of the stirring assembly are realized, and the stirring density, stirring quality and stirring speed of molding sand are effectively improved by matching with different rotating speeds of the first stirring shaft and the second stirring shaft; the discharging door is hinged to the bottom of the mixing bin and is controlled to be opened and closed through the discharging cylinder, so that the thoroughly discharged molding sand after mixing is convenient.

Description

Efficient bidirectional mixer

Technical Field

The utility model relates to the field of material stirring equipment, in particular to a high-efficiency bidirectional mixer.

Background

The blendor is used for carrying out the even mixing of each component to the molding sand for the casting, and its compounding effect directly influences molding sand quality and cost. Because the molding sand mixing has higher requirements on stirring quality, stirring speed and the like, the traditional stirring mechanism has longer stirring time and poor stirring effect, and is difficult to meet the construction requirement.

Disclosure of Invention

The utility model aims to solve the problems and provides a high-efficiency bidirectional mixer, which adopts the following technical scheme:

the efficient bidirectional mixer comprises a stirring motor and a mixing bin which are arranged from top to bottom, wherein a stirring assembly is arranged in the mixing bin, and the stirring motor is arranged on an upper cover plate of the mixing bin and drives the stirring assembly to rotate through a speed changing gearbox; a feed inlet is formed in the mixing bin, a fan-shaped discharge door is arranged at the bottom of the mixing bin, the discharge door is hinged with the side wall of the mixing bin through a rotating shaft, a door opening cylinder is arranged on the side surface of the mixing bin along the horizontal direction, and the tail end of the movable end of the door opening cylinder is hinged with the discharge door through a door opening driving shaft; the stirring assembly comprises a first stirring shaft and a second stirring shaft, and the steering directions of the first stirring shaft and the second stirring shaft are the same as or opposite to the steering directions of the stirring motor.

On the basis of the scheme, the tail end of the first stirring shaft is provided with the connecting cross beam along the horizontal direction, the tail end of the connecting cross beam is fixedly connected with the connecting shafts, the number of the connecting shafts is multiple, the first stirring wings are arranged on the connecting shafts and are obliquely arranged relative to the horizontal plane, and the first stirring wings are arranged on one side, far away from the other connecting shaft, of the connecting shafts.

On the basis of the scheme, the bottom of the connecting shaft is provided with the bottom scraping plate, the bottom scraping plate is obliquely arranged relative to the bottom surface of the mixing bin, and an included angle between the working surface of the bottom scraping plate and the bottom surface of the mixing bin is an obtuse angle.

Preferably, the second stirring shaft is connected with the peripheral surface of the second stirring shaft, the second stirring wings are obliquely arranged relative to the horizontal plane, the number of the second stirring wings is multiple, the number of each group of the second stirring wings is multiple, the second stirring wings are uniformly distributed along the peripheral direction of the second stirring shaft in the horizontal direction, and the multiple groups of the second stirring wings are axially distributed along the second stirring shaft.

On the basis of the scheme, a plurality of groups of second stirring wings are axially staggered along the second stirring shaft.

Preferably, the rotation speeds of the first stirring shaft and the second stirring shaft are different.

Preferably, the stirring assembly further comprises a side scraper connecting arm, a side scraper, a bottom scraper connecting arm and a bottom scraper, wherein the side scraper is fixedly connected to the tail end of the side scraper connecting arm and is parallel to the side wall surface of the mixing bin, and the bottom scraper is fixedly connected to the tail end of the bottom scraper connecting arm and is parallel to the bottom surface of the mixing bin.

The beneficial effects of the utility model are as follows: the first stirring shaft, the second stirring shaft and the stirring motor are opposite in steering, so that revolution and autorotation of the stirring assembly are realized, and the stirring density, stirring quality and stirring speed of molding sand are effectively improved by matching with different rotating speeds of the first stirring shaft and the second stirring shaft; the first stirring shaft and the second stirring shaft are respectively and eccentrically connected with the stirring motor through a speed changing reduction box, so that the stirring range of the stirring assembly is enlarged; the discharging door is hinged to the bottom of the mixing bin and is controlled to be opened and closed through the discharging cylinder, so that the thoroughly discharged molding sand after mixing is convenient.

Drawings

Fig. 1: the structure of the utility model is schematically shown;

fig. 2: another view angle structure schematic diagram of the utility model;

fig. 3: the stirring assembly structure of the utility model is schematically shown;

fig. 4: the stirring assembly of the utility model is structurally schematic at another view angle.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

in the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, it should be understood that the terms "center," "length," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

As shown in fig. 1 to 4, a high-efficiency bidirectional mixer comprises a stirring motor 11 and a mixing bin 13 which are arranged from top to bottom, wherein a stirring assembly is arranged in the mixing bin 13, and the stirring motor 11 is arranged on an upper cover plate 12 of the mixing bin 13 and drives the stirring assembly to rotate through a speed changing reduction box 19. The mixing bin 13 is provided with a feed inlet 14, the bottom of the mixing bin 13 is provided with a fan-shaped discharge door 15, the discharge door 15 is hinged with the side wall of the mixing bin 13 through a rotating shaft 16, the side surface of the mixing bin 13 is provided with a door opening cylinder 17 along the horizontal direction, and the tail end of the movable end of the door opening cylinder 17 is hinged with the discharge door 15 through a door opening driving shaft 18. The discharge door 16 is driven to rotate around the rotating shaft 16 by the action of the door opening cylinder 17, so that a discharge hole at the bottom of the mixing bin 13 is exposed or closed, and the molding sand in the mixing bin 13 is controlled to be discharged.

The stirring assembly comprises a first stirring shaft 31 and a second stirring shaft 41, the rotation direction of the first stirring shaft 31 and the second stirring shaft 41 is the same as or opposite to the rotation direction of the stirring motor 11, the revolution and the rotation of the stirring assembly are realized, and the rotation speeds of the first stirring shaft 31 and the second stirring shaft 41 are different, so that the molding sand is driven to be mixed and stirred efficiently and to a great extent, and meanwhile, the time required for stirring is shortened. The end of the first stirring shaft 31 is provided with a connecting beam 32 along the horizontal direction, the end of the connecting beam 32 is fixedly connected with connecting shafts 33, the number of the connecting shafts 33 is multiple, the connecting shafts 33 are provided with first stirring wings 35, the first stirring wings 35 are obliquely arranged relative to the horizontal plane, and the first stirring wings 35 are arranged on one side, far away from the other connecting shaft 33, of the connecting shafts 33, so that the stirring range of the first stirring wings 35 is enlarged. The bottom of the connecting shaft 33 is provided with the bottom scraping plate 24, the bottom scraping plate 24 is obliquely arranged relative to the bottom surface of the mixing bin 13, and an included angle between the working surface of the bottom scraping plate 24 and the bottom surface of the mixing bin 13 is an obtuse angle, so that materials at the bottom plate can be scooped up and stirred, and stirring dead angles are avoided. The second stirring shaft 41 is connected with the second stirring wings 43 on the peripheral surface, the second stirring wings 43 are obliquely arranged relative to the horizontal plane, the number of the second stirring wings 43 is multiple, the number of each group of the second stirring wings 43 is multiple, the second stirring wings are uniformly distributed along the circumference of the second stirring shaft 41 in the horizontal direction, and the multiple groups of the second stirring wings 43 are axially distributed along the second stirring shaft 41. The plurality of groups of second stirring wings 43 are distributed in an axial staggered manner along the second stirring shaft 41, so that the stirring density is increased.

The stirring assembly further comprises a side scraper connecting arm 21, a side scraper 22, a bottom scraper connecting arm 23 and a bottom scraper 24, wherein the side scraper 22 is fixedly connected to the tail end of the side scraper connecting arm 21 and is parallel and close to the side wall surface of the mixing bin 13, a gap of about 2mm is arranged between the side scraper connecting arm and the side scraper connecting arm, and the bottom scraper 24 is fixedly connected to the tail end of the bottom scraper connecting arm 23 and is parallel and close to the bottom surface of the mixing bin 13, and a gap of about 2mm is arranged between the bottom scraper connecting arm and the bottom scraper connecting arm. The side scrapers 22 and the bottom scrapers 24 are provided to stir and clean the molding sand on the side walls and the bottom surface of the mixing bin 13.

The present utility model has been described above by way of example, but the present utility model is not limited to the above-described embodiments, and any modifications or variations based on the present utility model fall within the scope of the present utility model.

Claims

1. The efficient bidirectional mixer is characterized by comprising a stirring motor (11) and a mixing bin (13) which are arranged from top to bottom, wherein a stirring assembly is arranged in the mixing bin (13), and the stirring motor (11) is arranged on an upper cover plate (12) of the mixing bin (13) and drives the stirring assembly to rotate through a speed changing reduction box (19); a feed inlet (14) is formed in the mixing bin (13), a fan-shaped discharge door (15) is arranged at the bottom of the mixing bin (13), the discharge door (15) is hinged with the side wall of the mixing bin (13) through a rotating shaft (16), a door opening cylinder (17) is arranged on the side surface of the mixing bin (13) along the horizontal direction, and the tail end of the movable end of the door opening cylinder (17) is hinged with the discharge door (15) through a door opening driving shaft (18); the stirring assembly comprises a first stirring shaft (31) and a second stirring shaft (41), and the direction of the first stirring shaft (31) and the direction of the second stirring shaft (41) are the same as or opposite to the direction of the stirring motor (11).

2. The efficient bidirectional mixer according to claim 1, wherein the connecting beam (32) is arranged at the tail end of the first stirring shaft (31) along the horizontal direction, the connecting shafts (33) are fixedly connected at the tail end of the connecting beam (32), the number of the connecting shafts (33) is multiple, the first stirring wings (35) are arranged on the connecting shafts (33), the first stirring wings (35) are obliquely arranged relative to the horizontal plane, and the first stirring wings (35) are arranged on one side, far away from the other connecting shaft (33), of the connecting shafts (33).

3. The efficient bidirectional mixer as recited in claim 2 wherein a bottom scraper (24) is arranged at the bottom of the connecting shaft (33), the bottom scraper (24) is obliquely arranged relative to the bottom surface of the mixing bin (13), and an included angle between the working surface of the bottom scraper (24) and the bottom surface of the mixing bin (13) is an obtuse angle.

4. The efficient bidirectional mixer according to claim 1, wherein the second stirring shaft (41) is connected with second stirring wings (43) on the peripheral surface, the second stirring wings (43) are obliquely arranged relative to the horizontal plane, the number of the second stirring wings (43) is multiple, the number of each second stirring wing (43) is multiple, the second stirring wings (43) are uniformly distributed along the second stirring shaft (41) in the circumferential direction in the horizontal direction, and the multiple groups of the second stirring wings (43) are axially distributed along the second stirring shaft (41).

5. A high efficiency bi-directional mixer according to claim 4, wherein a plurality of sets of second stirring wings (43) are staggered axially along the second stirring shaft (41).

6. A high efficiency bi-directional mixer according to claim 1, characterized in that the rotational speed of the first stirring shaft (31) is different from the rotational speed of the second stirring shaft (41).

7. The efficient bidirectional mixer as recited in claim 1 wherein the stirring assembly further comprises a side scraper connecting arm (21), a side scraper (22), a bottom scraper connecting arm (23) and a bottom scraper (24), the side scraper (22) is fixedly connected to the tail end of the side scraper connecting arm (21) and parallel to the side wall surface of the mixing bin (13), and the bottom scraper (24) is fixedly connected to the tail end of the bottom scraper connecting arm (23) and parallel to the bottom surface of the mixing bin (13).