CN219072783U

CN219072783U - Post-mixer mechanism

Info

Publication number: CN219072783U
Application number: CN202223009582.9U
Authority: CN
Inventors: 王卫军; 蔡林红; 丁锋亮
Original assignee: Taicang Peifu Machinery Equipment Co ltd
Current assignee: Taicang Peifu Machinery Equipment Co ltd
Priority date: 2022-11-12
Filing date: 2022-11-12
Publication date: 2023-05-26
Anticipated expiration: 2032-11-12

Abstract

The utility model relates to the technical field of screw pumps, in particular to a rear mixer mechanism, which comprises a shell, wherein a discharging pipe is arranged on one side of the shell, and a quick-connection pipe joint is arranged on the discharging pipe; the supporting plates on two sides of the shell are provided with central holes, the central holes are provided with connecting screw rods, and the connecting screw rods are provided with two nuts so as to be mounted on the supporting plates; the top end of the shell is provided with a flange top cover, and an O-shaped ring is arranged in the flange top cover; the secondary stirring mechanism is arranged in the shell and is connected with the screw pump rotor.

Description

Post-mixer mechanism

Technical Field

The utility model relates to the technical field of screw pumps, in particular to a post-mixer mechanism.

Background

Screw pumps are often required to be used in construction, and the traditional screw pump pumping mode is to drive a screw pump rotor to rotate through motor transmission, and stirred mortar materials enter through a suction inlet of a stator of the screw pump and then generate certain displacement and pressure through the whole screw pump so as to realize pumping.

The traditional screw pump generally realizes the stirring of materials at the front end of the screw pump, the stirring function is not realized after the materials pass through the screw pump, and a large number of screw pumps find that a plurality of materials pass through the screw pump and then have residues such as bubbles, small agglomerates, insufficiently dispersed powder packages and the like, so that the construction quality is influenced to a certain extent; in this regard, we have developed a mechanism for re-stirring materials applied to the rear end of a screw pump through intensive research, so as to achieve better material stirring and pumping quality.

Disclosure of Invention

The present utility model aims to address the shortcomings and drawbacks of the prior art by providing a post-mixer mechanism.

The utility model relates to a rear mixer mechanism, which comprises a shell, wherein a discharging pipe is arranged on one side of the shell, and a quick-connection pipe joint is arranged on the discharging pipe; the supporting plates on two sides of the shell are provided with central holes, the central holes are provided with connecting screw rods, and the connecting screw rods are provided with two nuts so as to be mounted on the supporting plates; the top end of the shell is provided with a flange top cover, and an O-shaped ring is arranged in the flange top cover; the secondary stirring mechanism is arranged in the shell and is connected with the screw pump rotor.

Further, the secondary stirring mechanism is a first stirring device A; the first stirring device A is a stirring impeller which is connected with a screw pump rotor; the stirring impeller is a flat groove stirring impeller or a square groove stirring impeller.

Further, the secondary stirring mechanism is a second stirring device B, and the second stirring device B replaces the first stirring device; the second stirring device B comprises a shearing disc, countersunk screws and a rosette stirring impeller; the shearing discs are arranged on lugs at two sides in the shell and fixed by countersunk head screws; the lotus plate stirring impeller is arranged on the shearing disc and is connected with the screw pump rotor.

Further, the secondary stirring mechanism is a third stirring device C, and the third stirring device C replaces the first stirring device; the third stirring device C comprises a stirring impeller, a sectional clamp and a set screw; the sectional clamp is arranged at the top end of the shell and is fastened by using a set screw; the stirring impeller is arranged in the shell and is connected with the screw pump rotor.

After the structure is adopted, the utility model has the beneficial effects that: the utility model relates to a post-mixer mechanism, which is applied to the requirement of the rear end of a screw pump on material re-stirring, and can realize material re-stirring under the condition that no additional power device is added; it has advantages such as overall structure is simple, dismouting is convenient.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate and together with the description serve to explain the utility model, if necessary:

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an exploded construction of one embodiment of the present utility model;

FIG. 3 is a schematic diagram of an exploded construction of another embodiment of the present utility model;

FIG. 4 is a schematic perspective view of another embodiment of the present utility model;

FIG. 5 is a schematic view of an exploded structure of another embodiment of the present utility model;

FIG. 6 is a schematic view of one construction of a screw pump rotor in the present utility model;

fig. 7 is a schematic view of another structure of a screw pump rotor in the present utility model.

Reference numerals illustrate:

the device comprises a shell 1, a nut 2, a connecting screw rod 3, a flat-groove stirring impeller 4, a square-groove stirring impeller 5, an O-shaped ring 6, a flange top cover 7, a discharge pipe 8, a quick-connection pipe joint 9, a rosette stirring impeller 10, countersunk screws 11, a shearing disc 12, a stirring impeller 13, a segmented clamp 14 and a set screw 15.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying 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.

As shown in fig. 1, the post-mixer mechanism according to the present embodiment includes a housing 1, a discharge pipe 8 is disposed on one side of the housing 1, and a quick-connection pipe joint 9 is disposed on the discharge pipe 8; the support plates on two sides of the shell 1 are provided with central holes, the central holes are provided with connecting screw rods 3, and the connecting screw rods 3 are provided with two nuts 2 so as to be mounted on the support plates; the top end of the shell 1 is provided with a flange top cover 7, and an O-shaped ring 6 is arranged in the flange top cover 7;

the device also comprises a secondary stirring mechanism arranged in the shell 1, and the secondary stirring mechanism is connected with the screw pump rotor.

First embodiment: as shown in fig. 1-2, the secondary stirring mechanism in the design is a first stirring device a; the first stirring device A is a stirring impeller which is connected with a screw pump rotor; the stirring impeller is a flat groove stirring impeller 4 or a square groove stirring impeller 5.

In the design, as shown in fig. 6 and 7, a transmission screw is arranged at the rear end of the traditional rotor, and the transmission screw is a flat transmission screw (shown in fig. 6) or a square transmission screw (shown in fig. 7). Therefore, the middle part of the stirring wheel in the secondary stirring mechanism is provided with a connecting hole groove matched with the flat transmission screw and the square transmission screw, so that the stirring wheel is driven to rotate by driving the dowel bar to rotate by rotating the screw pump rotor, and stirring is realized by driving the dowel bar to rotate the stirring wheel.

The working principle is as follows: the screw pump rotor is connected to the flange top cover 7, the transmission screw of the screw pump rotor is inserted into the flat-groove stirring impeller 4 or the square-groove stirring impeller 5 to be linked, the rotary stirring is realized in the shell 1, and the screw pump rotor is connected to the mortar conveying pipe through the discharging pipe 8 and the quick-connection pipe joint 9, so that the secondary stirring and pumping of materials are realized.

The stirring impeller inside the stirrer is driven by the rotor to stir the mortar secondarily in the container, so that larger bubbles, coated particles, agglomerations and the like in the mortar are crushed, the stirring time of the materials is prolonged through secondary stirring, additives in the mortar are reflected more fully, and the performance and quality of the mortar are improved. The post-mixer mechanism with the structure of the second stirring device A in the design is suitable for mixing fine aggregate mortar and coarse aggregate mortar.

Specific embodiment II: as shown in fig. 3, the secondary stirring mechanism in the design is a second stirring device B, and the second stirring device B replaces the first stirring device; the second stirring device B comprises a shearing disc 12, countersunk screws 11 and a rosette stirring impeller 10; the shearing discs 12 are arranged on lugs at two sides in the shell 1 and are fixed by countersunk screws 11; the rosette stirring impeller 10 is arranged on the shearing disc 12, and the rosette stirring impeller 10 is connected with a screw pump rotor.

In the design, a screw pump rotor is connected to a flange top cover 7, a transmission screw is inserted into a rosette stirring impeller 10 to be linked, a shearing disc 12 is fixed in a shell 1 by a countersunk screw 11), and rotary cutting stirring is realized in the shell 1 through the transmission screw and the shearing disc 12; the secondary stirring and pumping of the material are realized by connecting to the mortar conveying pipe through the discharging pipe 8 and the quick-connection pipe joint 9.

The rosette stirring impeller 10 in the mixer is driven by the rotor to form a shearing process with the shearing disc 12 in the shell, so that any caking can be completely dispersed, and caking residue in the material can be avoided. The post-mixer mechanism with the structure of the second stirring device B in the design is suitable for mixing extremely fine aggregate and pure powder mortar.

Third embodiment: as shown in fig. 4-5, the secondary stirring mechanism in the design is a third stirring device C, and the third stirring device C replaces the first stirring device; the third stirring device C comprises a stirring impeller 13, a sectional clamp 14 and a set screw 15; the segmented clamp 14 is arranged on the top end of the shell 1 and is fastened by a set screw 15; the stirring impeller 13 is arranged in the shell 1 and is connected with the rotor of the screw pump.

In this design, screw pump rotor is connected in ring flange top cap 7, and drive screw inserts impeller 13 linkage, realizes rotatory stirring in casing 1, is connected to mortar conveyer pipe through discharging pipe 8 and quick connect type coupling 9 and realizes secondary stirring and the pumping of material.

Unlike the first and second embodiments, an O-ring 6 is disposed between the segmented clamp 14 and the housing 1 in the present design; the segmented clamp 14 is provided with a flange top cover 7, screw rod holes are correspondingly formed in two sides of the surface of the flange top cover 7, the screw rod holes are provided with connecting screw rods 3, and two nuts 2 are used for installing the connecting screw rods 7 on the flange top cover 7.

Compared with the post mixer in the first embodiment and the post mixer in the second embodiment, the tank (shell) of the design is larger, the stirring impeller is also larger, the material stays in the container and is stirred for a longer time and more fully, and residual agglomerations and wrapped particles in the material are fully crushed.

The post-mixer mechanism with the structure of the third stirring device C in the design is suitable for mixing fine aggregate, superfine aggregate and powder mortar.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A rear mixer mechanism comprises a shell, wherein a discharging pipe is arranged on one side of the shell, and a quick-connection pipe joint is arranged on the discharging pipe; the supporting plates on two sides of the shell are provided with central holes, the central holes are provided with connecting screw rods, and the connecting screw rods are provided with two nuts so as to be mounted on the supporting plates; the top end of the shell is provided with a flange top cover, and an O-shaped ring is arranged in the flange top cover;

the method is characterized in that: the secondary stirring mechanism is arranged in the shell and is connected with the screw pump rotor.

2. A post-mixer mechanism according to claim 1, characterized in that: the secondary stirring mechanism is a first stirring device A; the first stirring device A is a stirring impeller which is connected with a screw pump rotor; the stirring impeller is a flat groove stirring impeller or a square groove stirring impeller.

3. A post-mixer mechanism according to claim 1, characterized in that: the secondary stirring mechanism is a second stirring device B, and the second stirring device B replaces the first stirring device; the second stirring device B comprises a shearing disc, countersunk screws and a rosette stirring impeller; the shearing discs are arranged on lugs at two sides in the shell and fixed by countersunk head screws; the lotus plate stirring impeller is arranged on the shearing disc and is connected with the screw pump rotor.

4. A post-mixer mechanism according to claim 1, characterized in that: the secondary stirring mechanism is a third stirring device C, and the third stirring device C replaces the first stirring device; the third stirring device C comprises a stirring impeller, a sectional clamp and a set screw; the sectional clamp is arranged at the top end of the shell and is fastened by using a set screw; the stirring impeller is arranged in the shell and is connected with the screw pump rotor.

5. A post-mixer mechanism according to claim 1, characterized in that: the bottom end of the screw pump rotor is a driving screw, and the driving screw is a flat driving screw or a square driving screw.