CN212945258U

CN212945258U - Novel sand mixer

Info

Publication number: CN212945258U
Application number: CN202021013918.7U
Authority: CN
Inventors: 栗东云; 马现红; 侯广义
Original assignee: Linzhou Haoyuan Auto Parts Co ltd
Current assignee: Linzhou Haoyuan Auto Parts Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-04-13
Anticipated expiration: 2030-06-05

Abstract

The utility model relates to a novel sand mixer, which comprises a main body of the sand mixer; the main body of the sand mixer is provided with an inner cavity; the inner cavity is divided into two premixing cavities and a mixing cavity; the two premixing cavities are parallel to each other, the two premixing cavities are provided with a feeding hole and a first discharging hole, and the first discharging hole is provided with an electric valve; the first stirring mechanism is arranged in the premixing cavity; the first stirring mechanism includes: the first rotating shaft is horizontal and penetrates through the two premixing cavities; the first motor drives the first rotating shaft to rotate; the first rotating shaft is positioned in the premixing cavity and is provided with first gears, the two first gears are meshed with second gears, the second gears are meshed with a gear ring fixedly arranged on the inner side wall of the premixing cavity, the second gears are provided with stirring rods, the other ends of the stirring rods are provided with sliding blocks, annular sliding grooves are correspondingly arranged on the inner side wall of the premixing cavity, and blades are arranged on the first rotating shaft and the stirring rods; the utility model provides a pair of novel roller mill, compared with the prior art, its stirring is more abundant, effectual improvement misce bene degree.

Description

Novel sand mixer

Technical Field

The utility model relates to a mechanical equipment is used in the casting, especially relates to a roller mill.

Background

In the casting process, in order to provide a sand mold and core with strength that is not deformed or damaged during handling, mold assembly and pouring of liquid metal, a sand binder is generally added to the casting to bind the loose sand particles together into a molding sand.

The self-hardening sand refers to molding sand or core sand in which synthetic resin is used as a binder of sand grains. After a mold or core is made of resin sand, the resin is cured by an irreversible crosslinking reaction by the action of a curing agent, thereby imparting necessary strength to the mold or core.

The self-hardening sand is generally mixed by firstly adding two parts of dry sand, a hardening agent and a resin binder into two premixing cavities respectively for premixing, then quickly stirring the two premixed parts and injecting the two premixed parts into a sand box or a sand box, and combining the hardening agent and the resin binder to provide higher structural strength for molding sand.

A rabbling mechanism that is used for mixing sand mixer of self-hardening sand among the prior art mostly is single-leaf formula, and its stirring effect is relatively poor, can not be fine mix multicomponent.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a novel sand mixer, which comprises a main body of the sand mixer; the main body of the sand mixer is provided with an inner cavity; the inner cavity is divided into two premixing cavities at the upper end and a mixing cavity at the lower end; the two premixing cavities are parallel to each other, the top and the bottom of each premixing cavity are respectively provided with a feeding hole and a first discharging hole communicated with the mixing cavity, and the first discharging hole is provided with an electric valve; the first stirring mechanism is arranged in the premixing cavity; the first stirring mechanism includes: a first rotating shaft which is horizontal and penetrates through the two premixing cavities; the first motor drives the first rotating shaft to rotate; first axis of rotation is located all be equipped with first gear in two premix chambeies, two first gears mesh with two second gears respectively, two second gears respectively with fixed mounting in two premix intracavity lateral wall two ring gear meshes, install the horizontally puddler on the second gear, the other end of puddler is equipped with the columniform slider, correspond on the inside wall in premix chamber the movable track of slider is equipped with annular spout, the slider joint in annular spout, be equipped with the paddle on first axis of rotation and the puddler.

Preferably, the first motor is fixedly mounted on an outer side surface of the sand mixer main body.

Preferably, the side wall of the premixing cavity is provided with an interlayer, and the interlayer is internally provided with an electric heating wire.

Preferably, the electric valve comprises a valve main body, a driving rod and a third motor, one end of the driving rod is connected with the valve main body, the other end of the driving rod extends out of the sand mixer main body through a avoiding hole, and a rack is arranged at the upper end of the driving rod; and a third gear is arranged on an output shaft of a third motor arranged outside the main body of the sand mixer, and the third gear is meshed with the rack.

Preferably, a temperature sensor is arranged in the premixing cavity.

Preferably, a second stirring mechanism is arranged in the mixing cavity; the second stirring mechanism comprises a vertical second rotating shaft which is rotatably arranged in the mixing cavity; and a third rotating shaft is horizontally and rotatably arranged in the mixing cavity and is driven by a second motor, and the third rotating shaft and the second rotating shaft are driven by engaged bevel gears.

Preferably, the second axis of rotation is equipped with the stirring rake, the stirring rake is the multirow paddle constitution of vertical direction range.

Preferably, the second discharge hole is connected with a discharge pipe.

Preferably, the bottoms of the premixing cavity and the mixing cavity are in a conical structure.

The utility model provides a pair of novel roller mill, compared with the prior art, its stirring is more abundant, the effectual dry sand of improvement and the misce bene degree of auxiliary agent (resin binder and hardener).

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 is a front sectional structure view of the novel sand mixer provided by the present invention.

Fig. 2 is a structural diagram of a first stirring mechanism of the novel sand mixer provided by the utility model.

Fig. 3 is a schematic view of the electric valve driving mode of the novel sand mixer provided by the present invention.

Description of the drawings: 1-a main body of a sand mixer, 101-a discharge pipe, 2-a premixing cavity, 201-a feed inlet, 202-a first discharge port, 203-an interlayer, 204-a valve main body, 205-a driving rod, 206-a third gear, 207-a third motor, 208-an avoidance hole, 3-a first stirring mechanism, 301-a first rotating shaft, 302-a first motor, 303-a first gear, 304-a second gear, 305-a toothed ring, 306-an electric heating wire, 307-an annular chute, 308-a blade, 309-a stirring rod, 310-a sliding block, 4-a second stirring mechanism, 401-a second rotating shaft, 402-a third rotating shaft, 403-a second motor, 404-a bevel gear, 405-a stirring paddle, 5-a mixing cavity and 501-a second discharge port.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, a novel sand mixer includes a main body 1; the sand mixer main body 1 is provided with an inner cavity; the inner cavity is divided into two premixing cavities 2 at the upper end and a mixing cavity 5 at the lower end; the two premixing cavities 2 are parallel to each other, the top and the bottom of each premixing cavity 2 are respectively provided with a feeding hole 201 and a first discharging hole 202 communicated with the mixing cavity 5, and the first discharging hole 202 is provided with an electric valve; the first stirring mechanism 3 is arranged in the premixing cavity 2; the first stirring mechanism 3 includes: a first horizontal rotation axis 301 passing through the two premix chambers 2; a first motor 302 for driving the first rotating shaft 301 to rotate; first axis of rotation 301 is located all be equipped with first gear 303 in two premix chambeies 2, two first gears 303 mesh with two second gears 304 respectively, two second gears 304 respectively with fixed mounting in two the meshing of two rings 305 of 2 inside walls in premix chamber, install horizontally puddler 309 on the second gear 304, the other end of puddler 309 is equipped with columniform slider 310, correspond on 2 inside walls in premix chamber the movable track of slider 310 is equipped with annular spout 307, be equipped with paddle 308 on first axis of rotation 301 and the puddler 309.

In the embodiment, the two premixing bins 2 are used for mixing dry sand and resin binder as well as dry sand and hardener; the mixed sand enters the mixing chamber 5 through the first discharge port 202, and the sand is discharged through the second discharge port 501 at the bottom of the mixing chamber 5.

First rabbling mechanism 202 through a motor drive, its first axis of rotation 301 is rotated by first motor 302 drive, first gear 303 on the first axis of rotation 301 drives second gear 304 and rotates, second gear 304 drives stirring rake 308 and rotates, the stirring rake not only can be around axis of rotation 301 frock, the rotation, stirring rake 308 and axis of rotation 301 stir jointly, compare in single-oar formula puddler 309, its stirring effect is better.

Preferably, the first motor 302 is fixedly mounted on an outer side surface of the sand mixer main body 1.

Preferably, an interlayer 203 is arranged on the side wall of the premixing cavity 2, and a heating wire 306 is arranged in the interlayer 203.

The heating wire 306 can control the discharge temperature of the premixing chamber 2.

Because the curing speed of some curing systems is greatly influenced by the temperature, the discharging temperature of the premixing cavity 2 can influence the curing speed, thereby realizing the control of the curing speed.

Preferably, the electrically operated valve comprises a valve main body 204, a driving rod 205 and a third motor 207, one end of the driving rod 205 is connected with the valve main body 204, the other end of the driving rod 205 extends out of the sand mixer main body 1 through a relief hole 208, and a rack is arranged at the upper end of the driving rod 205; and a third gear 206 is arranged on an output shaft of a third motor 207 arranged outside the main body 1 of the sand mixer, and the third gear 206 is meshed with the rack.

Preferably, a temperature sensor (not shown) is arranged in the premixing chamber 2.

Preferably, a second stirring mechanism 4 is arranged in the mixing cavity 5; the second stirrer 4 comprises a vertical second rotating shaft 401 which is rotatably arranged in the mixing cavity 5; a third rotating shaft 402 is horizontally and rotatably mounted in the mixing chamber 5 and driven by a second motor 403, and the third rotating shaft 402 and the second rotating shaft 401 are driven by engaged bevel gears 404.

The second motor 403 drives the second rotating shaft 401 to rotate, and the third rotating shaft 402 drives the second rotating shaft 401 to rotate.

Preferably, the second rotating shaft 401 is provided with a stirring paddle 405, and the stirring paddle 405 is composed of a plurality of rows of blades arranged in the vertical direction.

The rows of paddles are capable of substantially agitating the sand material located within the mixing chamber 5.

Preferably, the second discharge port 501 is connected with a discharge pipe 101.

Second discharge gate 501 is connected with discharging pipe 101, discharging pipe 101 can lead the storage, prevents that sand material from being the ejection of compact of form from second discharge gate 501.

The bottoms of the premixing cavity 2 and the mixing cavity 5 are of conical structures, so that discharging is facilitated.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes made by the present specification can be changed, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. A novel sand mixer comprises a sand mixer main body; the main body of the sand mixer is provided with an inner cavity; the inner cavity is divided into two premixing cavities at the upper end and a mixing cavity at the lower end; the device is characterized in that the two premixing cavities are parallel to each other, the top and the bottom of each premixing cavity are respectively provided with a feeding hole and a first discharging hole communicated with the mixing cavity, and the first discharging hole is provided with an electric valve; the first stirring mechanism is arranged in the premixing cavity; the first stirring mechanism includes: a first rotating shaft which is horizontal and penetrates through the two premixing cavities; the first motor drives the first rotating shaft to rotate; first axis of rotation is located all be equipped with first gear in two premix chambeies, two first gears mesh with two second gears respectively, two second gears respectively with fixed mounting in two premix intracavity lateral wall two ring gear meshes, install the horizontally puddler on the second gear, the other end of puddler is equipped with the columniform slider, correspond on the inside wall in premix chamber the movable track of slider is equipped with annular spout, the slider joint in annular spout, be equipped with the paddle on first axis of rotation and the puddler.

2. The novel sand mixer as claimed in claim 1, wherein the first motor is fixedly mounted on the outer side surface of the main body of the sand mixer.

3. The novel sand mixer as claimed in claim 1, wherein the side wall of the premixing cavity is provided with an interlayer, and an electric heating wire is arranged in the interlayer.

4. The novel sand mixer as claimed in claim 1, wherein the electrically operated valve comprises a valve main body, a driving rod and a third motor, one end of the driving rod is connected with the valve main body, the other end of the driving rod extends out of the sand mixer main body through a relief hole, and a rack is arranged at the upper end of the driving rod; and a third gear is arranged on an output shaft of a third motor arranged outside the main body of the sand mixer, and the third gear is meshed with the rack.

5. The novel sand mixer as claimed in claim 1, wherein a temperature sensor is arranged in the premixing cavity.

6. The novel sand mixer as claimed in claim 1, wherein a second stirring mechanism is arranged in the mixing cavity; the second stirring mechanism comprises a vertical second rotating shaft which is rotatably arranged in the mixing cavity; and a third rotating shaft is horizontally and rotatably arranged in the mixing cavity and is driven by a second motor, and the third rotating shaft and the second rotating shaft are driven by engaged bevel gears.

7. The novel sand mixer as claimed in claim 6, wherein the second rotating shaft is provided with stirring paddles, and the stirring paddles are composed of a plurality of rows of vertically arranged blades.

8. The novel sand mixer as claimed in claim 1, wherein the second discharge port is connected with a discharge pipe.

9. The novel sand mixer as claimed in claim 1, wherein the bottoms of the premixing cavity and the mixing cavity are of a conical structure.