CN220049934U - Casting sand mixing device - Google Patents

Abstract

The utility model discloses a casting sand mixing device, which belongs to the technical field of casting sand mixing and comprises a mixing processing tank for sand mixing processing, wherein the top end of the mixing processing tank is in threaded connection with a top cover with a feeding pipe, a rotary inner container is rotatably installed in an inner cavity of the mixing processing tank, an installation inner groove for the adaptive installation of the rotary inner container is formed in the inner wall of the sand mixing processing tank, a discharge pipe with a valve is transversely and penetratingly connected to the outer part of the periphery of the sand mixing processing tank, a support plate is welded on the inner wall of the mixing processing tank above the rotary inner container, and a servo motor is installed in the middle position of the top surface of the support plate. This casting sand mixing device, the effectual multidirectional sand mixing stirring that carries out improves its sand mixing homogeneity, and the effectual sand mixing raw materials to mixing processing jar bottom stirs, improves the sand mixing quality.

Description

Casting sand mixing device

Technical Field

The utility model belongs to the technical field of casting sand mixing, and particularly relates to a casting sand mixing device.

Background

Casting: the sand mixer is a casting device for mixing molding sand or core sand, and generally has a function of uniformly mixing old sand, new sand, a molding sand binder and auxiliary materials, so that the binder and the auxiliary materials are uniformly distributed and effectively coated on the surface of sand. The materials needed for casting are formed by mixing raw sand, clay, water glass, resin and other auxiliary materials, the effect of a sand mould for casting can be better by uniformly mixing the materials, at present, a stirring shaft or a stirring rod piece is generally used for carrying out unidirectional rotation mixing processing on the sand mixing raw materials during sand mixing, the stirring and mixing of the sand mixing raw materials are carried out in a single direction, the mixing is not uniform and sufficient, the problem that the sand mixing raw materials are accumulated easily occurs, and the sand mixing quality of the sand mixing raw materials is reduced.

The search, for example, chinese patent number is: the utility model provides a sand mixing device of casting usefulness of CN217647424U, its "includes casing and motor, the lower extreme fixedly connected with protective housing of casing, the lower extreme of protective housing is provided with the motor, the outer wall of motor through a plurality of fixed plate with protective housing fixed connection, the outer axle of motor is connected with agitating unit through drive mechanism, agitating unit includes first rabbling mechanism and second rabbling mechanism.

It is known that the above-cited patent documents have the same problems that, when the materials are mixed, a stirring shaft or a stirring rod is generally used for unidirectional rotation mixing processing of the materials, and the materials are uniformly mixed by unidirectional rotation, so that the stacking problem of the materials is easy to occur, and the quality of the mixed materials is reduced.

Disclosure of Invention

The utility model aims to provide a casting sand mixing device which aims to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a foundry sand mixing device, includes the mixed processing jar that is used for the sand mixing processing usefulness, the top threaded connection of mixed processing jar has the top cap of a inlet pipe, rotatory inner bag is installed in the inner chamber rotation of mixed processing jar, rotatory inner bag top just is located the inner wall welding of mixed processing jar has the back-up plate the servo motor is installed to the top surface intermediate position of back-up plate, servo motor's output shaft has the (mixing) shaft that vertically runs through the back-up plate, stirring rotary disk spare is installed to the lower part of (mixing) shaft install the clockwise pushing subassembly that is used for the sand mixing between rotatory inner bag and the (mixing) shaft through the bearing, anticlockwise pushing part that is used for the sand mixing is installed to the intermediate part week side of (mixing) shaft.

Preferably, the inner wall of the rotary liner is symmetrically welded with U-shaped concave plates, and the clockwise pushing assembly comprises pushing plates respectively and adaptively arranged in the two U-shaped concave plates;

the two pushing plates are welded with connecting rods on the opposite side surfaces.

Preferably, a sealing bearing is in interference fit with the peripheral side of the middle part of the stirring shaft, the outer ring of the sealing bearing is symmetrically welded with lug plates, and the two connecting rods are hinged with the two lug plates through pin shafts respectively.

Preferably, two opposite sides of the pushing plates are symmetrically provided with arc-shaped material leakage notches, and opposite sides of the pushing plates are provided with extension clamping plates which are installed in a matched mode with the U-shaped concave plates, and the U-shaped concave plates are connected with the extension clamping plates through bolts.

Preferably, the inner ring of the stirring rotary disc member is provided with a plurality of sand mixing fan blades in an adapting way.

Preferably, the anticlockwise pushing component is a plurality of stirring blades symmetrically arranged on the periphery of the stirring shaft, and a gap is reserved between one end, far away from the stirring shaft, of each stirring blade and the pushing plate.

Preferably, a hollow boss is arranged on the inner bottom wall of the sand mixing processing tank, and a rotary motor for driving the rotary liner is adaptively arranged in the hollow boss.

Preferably, an installation inner groove for adapting and installing a rotary liner is formed in the inner wall of the sand mixing processing tank, and a discharge pipe with a valve is transversely and penetratingly connected to the outer part of the periphery of the sand mixing processing tank.

Compared with the prior art, the utility model has the technical effects and advantages that:

this casting sand mixing device, rotatory inner bag rotates clockwise in the mixed processing jar, can carry out clockwise drive rotation to the sand mixing raw materials in the rotatory inner bag through clockwise pushing component, servo motor drives anticlockwise pushing component simultaneously and carries out anticlockwise operation, thereby with clockwise pushing component cooperation, thereby effectually carry out multidirectional sand mixing stirring, improve its sand mixing homogeneity, simultaneously still connect stirring rotary disk spare in the bottom of (mixing) shaft, thereby make stirring rotary disk spare carry out rotatory stirring to the mixed processing jar, thereby effectually stir the sand mixing raw materials of mixed processing jar bottom, thereby effectually stir the raw materials of the caking of sand mixing caking raw materials that subsides, thereby reduce the raw materials of its caking, improve the sand mixing quality.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the split construction of the hybrid processing tank and top cap of the present utility model;

FIG. 3 is a schematic diagram of a split structure of a rotary liner and a stirring shaft of the present utility model;

FIG. 4 is a schematic view of the connection structure of the stirring shaft and the pushing plate of the utility model;

fig. 5 is a partial cross-sectional view of a hybrid processing tank of the present utility model.

Reference numerals illustrate:

in the figure: 1. a mixing processing tank; 2. a top cover; 3. supporting feet; 4. a discharge pipe; 5. a feed pipe; 6. rotating the inner container; 7. a support plate; 8. a servo motor; 9. a stirring shaft; 10. stirring the leaves; 11. a pushing plate; 12. stirring the rotary disc member; 13. sand mixing fan blades; 14. a U-shaped concave plate; 15. a connecting rod; 16. sealing the bearing; 17. a pin shaft; 18. an extension clamping plate; 19. installing an inner groove; 20. a hollow boss; 21. a rotating electric machine.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

Unless the directions indicated by the individual definitions are used, the directions of up, down, left, right, front, rear, inner and outer are all directions of up, down, left, right, front, rear, inner and outer in the drawings shown in the present utility model, and are described herein together.

The embodiment provides a casting sand mixing device as shown in fig. 1 to 5, including being used for the mixed processing jar 1 of sand mixing processing usefulness, the top end threaded connection of mixed processing jar 1 has the top cap 2 of a inlet pipe 5, and rotatory inner bag 6 is installed in the inner chamber rotation of mixed processing jar 1, and the installation inside groove 19 that supplies rotatory inner bag 6 adaptation to install is seted up to the inner wall of mixed processing jar 1, and the outside transverse through connection in week side of mixed processing jar 1 has the row material pipe 4 of valve, has a plurality of supporting legs 3 at the bottom surface symmetry welding of mixed processing jar 1.

The embodiment provides rotatory inner bag 6 top and lie in the inner wall welding of hybrid processing jar 1 and have support plate 7, installs servo motor 8 in the top surface intermediate position of support plate 7, and servo motor 8's output shaft has the (mixing) shaft 9 that runs through support plate 7 vertically, and stirring rotary disk spare 12 is installed to the lower part of (mixing) shaft 9, installs the clockwise pushing subassembly that is used for the muddy sand through the bearing between rotatory inner bag 6 and (mixing) shaft 9.

The embodiment provides a clockwise pushing assembly, which comprises pushing plates 11 respectively installed in two U-shaped concave plates 14 in an adaptive mode, the U-shaped concave plates 14 are symmetrically welded on the inner wall of the rotary liner 6, and connecting rods 15 are welded on the opposite side surfaces of the two pushing plates 11.

The embodiment provides a counter-clockwise pushing component for mixing sand is arranged on the periphery side of the middle part of a stirring shaft 9, the bottom end of the stirring shaft 9 is connected with the inner bottom wall of a rotary liner 6 through a bearing, the counter-clockwise pushing component is a plurality of stirring blades 10 symmetrically arranged on the periphery side of the stirring shaft 9, and a gap is reserved between one end, away from the stirring shaft 9, of each stirring blade 10 and a pushing plate 11.

The embodiment provides that the peripheral side position of the middle part of the stirring shaft 9 is in interference fit with a sealing bearing 16, the outer ring of the sealing bearing 16 is symmetrically welded with lug plates, and two connecting rods 15 are respectively hinged with the two lug plates through pin shafts 17.

The embodiment provides that two pushing plates 11 are all symmetrically provided with arc-shaped leakage notches on one side face opposite to each other, two pushing plates 11 are all provided with extension clamping plates 18 which are installed in a matched mode with U-shaped concave plates 14 on one side face opposite to each other, the U-shaped concave plates 14 are connected with the extension clamping plates 18 through bolts, a plurality of sand mixing fan blades 13 are installed in the inner ring of a stirring rotary disc 12 in a matched mode, a hollow boss 20 is arranged on the inner bottom wall of a mixing processing tank 1, and a rotary motor 21 used for driving a rotary liner 6 is installed in the hollow boss 20 in a matched mode.

Principle of operation

According to the casting sand mixing device, a sand mixing raw material enters the mixing processing tank 1 through the feeding pipe 5, the servo motor 8 drives the stirring shaft 9 to rotate anticlockwise, the rotating motor 21 drives the rotating inner container 6 to rotate anticlockwise in the mounting inner groove 19, so that the sand mixing raw material can be mixed and processed by rotating clockwise and anticlockwise;

the extension clamping plate 18 of the pushing plates 11 is matched with the U-shaped concave plate 14, and the rotation operation of the two pushing plates 11 along with the rotation of the liner 6 is facilitated under the action of the sealing bearing 16.

It should be noted that relational terms such as one and two are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A foundry sand mixing device comprising a mixing tank (1) for sand mixing, characterized in that: the top end of the mixing processing tank (1) is in threaded connection with a top cover (2) with a feed pipe (5), a rotary liner (6) is rotatably arranged in the inner cavity of the mixing processing tank (1), a supporting plate (7) is welded on the inner wall of the mixing processing tank (1) above the rotary liner (6), a servo motor (8) is arranged in the middle of the top surface of the supporting plate (7), the output shaft of the servo motor (8) is connected with a stirring shaft (9) longitudinally penetrating through the supporting plate (7), a stirring rotary disc (12) is arranged at the lower part of the stirring shaft (9), a clockwise pushing component for mixing sand is arranged between the rotary inner container (6) and the stirring shaft (9) through a bearing, and a counterclockwise pushing component for mixing sand is arranged at the periphery of the middle part of the stirring shaft (9).

2. A foundry sand mixing device in accordance with claim 1 wherein: the inner wall of the rotary liner (6) is symmetrically welded with U-shaped concave plates (14), and the clockwise pushing assembly comprises pushing plates (11) respectively and adaptively arranged in the two U-shaped concave plates (14);

the two opposite side surfaces of the pushing plates (11) are welded with connecting rods (15).

3. A foundry sand mixing device in accordance with claim 2 wherein: the stirring shaft is characterized in that a sealing bearing (16) is in interference fit with the peripheral side of the middle part of the stirring shaft (9), ear plates are symmetrically welded on the outer ring of the sealing bearing (16), and two connecting rods (15) are hinged with the two ear plates through pin shafts (17) respectively.

4. A foundry sand mixing device in accordance with claim 3 wherein: arc-shaped material leakage notches are symmetrically formed in two opposite side surfaces of the pushing plates (11), extension clamping plates (18) which are installed in an adaptive mode with the U-shaped concave plates (14) are arranged on opposite side surfaces of the pushing plates (11), and the U-shaped concave plates (14) are connected with the extension clamping plates (18) through bolts.

5. A casting sand mixing device according to claim 4, wherein: the inner ring of the stirring rotary disc (12) is provided with a plurality of sand mixing fan blades (13) in an adapting mode.

6. A casting sand mixing device according to claim 5, wherein: the anticlockwise pushing component is a plurality of stirring blades (10) symmetrically arranged on the periphery of the stirring shaft (9), and a gap is reserved between one end, far away from the stirring shaft (9), of each stirring blade (10) and the pushing plate (11).

7. A foundry sand mixing device in accordance with claim 1 wherein: the inner bottom wall of the mixing processing tank (1) is provided with a hollow boss (20), and a rotating motor (21) for driving the rotary liner (6) is adaptively arranged in the hollow boss (20).

8. A foundry sand mixing device in accordance with claim 7 wherein: the inner wall of the mixing processing tank (1) is provided with an installation inner groove (19) for the adaptive installation of the rotary liner (6), and the peripheral side of the mixing processing tank (1) is transversely and penetratingly connected with a discharge pipe (4) with a valve.