CN223405939U

CN223405939U - Precoated sand mixer

Info

Publication number: CN223405939U
Application number: CN202422856048.4U
Authority: CN
Inventors: 赵永刚; 张凯; 吴世君
Original assignee: Jinfeng Zhejiang Industrial Technology Co ltd
Current assignee: Jinfeng Zhejiang Industrial Technology Co ltd
Priority date: 2024-11-22
Filing date: 2024-11-22
Publication date: 2025-10-03
Anticipated expiration: 2034-11-22

Abstract

The utility model discloses a precoated sand mixer, which relates to the technical field of sand mixers and comprises a mixing barrel, wherein a top cover is arranged on the top surface of the mixing barrel, a sand material guide pipe is arranged on one side of the top cover, an auxiliary material guide pipe is arranged on the other side of the top cover, the bottoms of the sand material guide pipe and the auxiliary material guide pipe are fixedly communicated with the outer wall of the mixing barrel, a gear motor is arranged below the mixing barrel, and a rotating shaft is rotationally connected with the inner wall of the mixing barrel.

Description

Precoated sand mixer

Technical Field

The utility model relates to the technical field of sand mixers, in particular to a precoated sand mixer.

Background

The precoated sand mixer is one kind of equipment for producing precoated sand, and the materials are stirred strongly with stirring unit, and the blades of the stirrer rotate at certain speed to make the raw sand contact with various additives fully and to make the adhesive coat the surface of the raw sand grains to form precoated sand.

But among the prior art, current sand mixer is slower to the mixed speed of tectorial membrane sand raw materials in the use for the stirring and the mixing of material receive the influence, and the unable quick even parcel of resin reduces production efficiency on the sand grain surface, in large-scale casting production, can lead to the supply of tectorial membrane sand not enough, influences the progress of whole casting production line.

Disclosure of utility model

The utility model aims to solve the problems that the existing sand mixer is low in mixing speed of precoated sand raw materials in the use process, so that turning and mixing of the materials are affected, resin cannot be rapidly and uniformly wrapped on the surface of sand grains, the production efficiency is reduced, and insufficient supply of precoated sand can be caused in large-scale casting production.

In order to achieve the purpose, the precoated sand mixer comprises a mixing drum, wherein a top cover is arranged on the top surface of the mixing drum, a sand guide pipe is arranged on one side of the top cover, an auxiliary material guide pipe is arranged on the other side of the top cover, the bottoms of the sand guide pipe and the auxiliary material guide pipe are fixedly communicated with the outer wall of the mixing drum, a speed reducing motor is arranged below the mixing drum, a rotating shaft is rotatably connected to the inner wall of the mixing drum, a conical bottom plate is fixedly connected to the bottom end of the rotating shaft, an arc-shaped plate is fixedly connected to the top surface of the conical bottom plate, the center of the bottom surface of the conical bottom plate is fixedly connected with the output shaft end of the speed reducing motor, stirring shafts are arranged on two sides of the rotating shaft, stirring blades are fixedly connected to the bottom surface of the stirring shafts, and the top ends of the stirring shafts are in transmission connection with the rotating shaft.

Preferably, the top surface of top cap is connected with the transmission case in a penetrating way, the both sides of transmission case all are provided with the cylinder, two the telescopic link of cylinder runs through the equal fixedly connected with removable cover of bottom surface of top cap.

Preferably, one of the movable cover plates is arranged at one side of the bottom end of the sand material guide pipe, and the other movable cover plate is arranged at one side of the bottom end of the auxiliary material guide pipe.

Preferably, the lower part outer wall fixedly connected with support frame of mixing drum, the inner wall fixedly connected with mounting panel of support frame.

Preferably, the gear motor is fixedly arranged on the top surface of the mounting plate.

Preferably, the bottom surface fixedly connected with stock guide of mixing drum, the stock guide top is provided with the row material baffle, the outer wall at the mixing drum is connected in the rotation of row material baffle.

Preferably, the top end of the rotating shaft penetrates through the inner wall of the transmission case and is fixedly connected with a first gear.

Preferably, two sides of the first gear are respectively connected with the second gear in a meshed manner, and the top end of the stirring shaft penetrates through the inner wall of the transmission case and is fixedly connected with the second gear.

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

1. According to the utility model, the conical bottom plate is driven to rotate by starting the gear motor, the rotating shaft and the arc plate are driven to synchronously rotate by the conical bottom plate to stir and disperse sand materials, and the stirring shafts at two sides of the rotating shaft are driven to simultaneously rotate by the stirring shafts and the rotating shaft, so that the stirring blades are controlled to stir the sand materials dispersed to the edge to the center again, then resin and additives are added, and the stirring blades and the arc plate are matched to form circulating stirring to enable the materials to be rapidly mixed, thereby effectively improving the mixing efficiency.

2. According to the utility model, through the arrangement of the two cylinders, the movable cover plate is controlled to lift in the mixing barrel, so that the on-off of the discharge of the sand material guide pipe and the auxiliary material guide pipe in the mixing barrel is controlled, the bottoms of the sand material guide pipe and the auxiliary material guide pipe are covered and protected by the movable cover plate, dust is prevented from entering the auxiliary material guide pipe in the sand material feeding process, and cross contamination of materials in the sand material guide pipe and the auxiliary material guide pipe is avoided.

Drawings

Fig. 1 is a schematic perspective view of a precoated sand mixer according to the present utility model;

Fig. 2 is a schematic diagram of the internal structure of a mixing drum of a precoated sand mixer according to the present utility model;

fig. 3 is a schematic diagram of the internal structure of a precoated sand mixer according to the present utility model;

Fig. 4 is a schematic diagram of the internal structure of a transmission case of a precoated sand mixer according to the present utility model.

The illustration is 1, mixing drum, 11, rotation axis, 12, arc plate, 13, stirring axis, 14, stirring blade, 15, conical bottom plate, 16, gear one, 17, gear two, 2, sand guide pipe, 3, top cover, 31, transmission case, 32, cylinder, 33, movable cover plate, 4, guide plate, 5, support frame, 51, mounting plate, 52, gear motor, 6, auxiliary guide pipe, 7, discharge baffle.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

The utility model provides a precoated sand mixer, which comprises a mixing barrel 1, wherein a top cover 3 is arranged on the top surface of the mixing barrel 1, a sand material guide pipe 2 is arranged on one side of the top cover 3, an auxiliary material guide pipe 6 is arranged on the other side of the top cover 3, the bottom ends of the sand material guide pipe 2 and the auxiliary material guide pipe 6 are fixedly communicated with the outer wall of the mixing barrel 1, a gear motor 52 is arranged below the mixing barrel 1, a rotating shaft 11 is rotatably connected to the inner wall of the mixing barrel 1, a conical bottom plate 15 is fixedly connected to the bottom end of the rotating shaft 11, an arc-shaped plate 12 is fixedly connected to the bottom surface center of the conical bottom plate 15 and the output shaft end of the gear motor 52, stirring shafts 13 are arranged on two sides of the rotating shaft 11, stirring blades 14 are fixedly connected to the bottom surface of the stirring shafts 13, and the top ends of the stirring shafts 13 are in transmission connection with the rotating shaft 11.

In the following, the specific setting and action of this embodiment are specifically described, the conical bottom plate 15 is driven to rotate by starting the gear motor 52, the rotating shaft 11 and the arc plate 12 are driven to synchronously rotate by the conical bottom plate 15 to stir and disperse the sand, the stirring shafts 13 on two sides of the rotating shaft 11 are driven to simultaneously rotate by the meshing transmission of the first gear 16 and the second gear 17, so that the stirring blades 14 are controlled to stir the sand dispersed to the edge to the center again, then resin and additives are added, and the materials are quickly mixed by forming circular stirring through the cooperation of the stirring blades 14 and the arc plate 12, so that the mixing efficiency is effectively improved.

In the second embodiment, as shown in fig. 1-4, cylinders 32 are arranged on two sides of a transmission case 31, telescopic rods of the two cylinders 32 penetrate through the bottom surface of a top cover 3 and are fixedly connected with a movable cover plate 33, one movable cover plate 33 is arranged on one side of the bottom end of a sand material guide pipe 2, the other movable cover plate 33 is arranged on one side of the bottom end of an auxiliary material guide pipe 6, a supporting frame 5 is fixedly connected to the outer wall of the lower portion of a mixing drum 1, a mounting plate 51 is fixedly connected to the inner wall of the supporting frame 5, a speed reducing motor 52 is fixedly arranged on the top surface of the mounting plate 51, a material guide plate 4 is fixedly connected to the bottom surface of the mixing drum 1, a material discharge baffle 7 is arranged above the material guide plate 4 and rotatably connected to the outer wall of the mixing drum 1, the top surface of the top cover 3 is fixedly connected with the transmission case 31 in a penetrating manner, the top end of the rotary shaft 11 penetrates through the inner wall of the transmission case 31 and is fixedly connected with a first gear 16, two sides of the first gear 16 are respectively in meshed connection with a second gear 17, and the top end of the stirring shaft 13 penetrates through the inner wall of the transmission case 31 and the second gear 17.

The effect that its whole embodiment reached is, through the setting of two cylinders 32, control movable cover plate 33 goes up and down in mixing drum 1, thereby control the break-make of the ejection of compact of sand material pipe 2 and auxiliary material pipe 6 in mixing drum 1, utilize movable cover plate 33 to cover the protection to sand material pipe 2 and auxiliary material pipe 6 bottom, thereby avoid sand material feeding in-process dust to get into in auxiliary material pipe 6, avoid sand material pipe 2 and auxiliary material pipe 6 interior material to cause cross contamination, through the setting of stock guide 4 and row material baffle 7, the convenience of use rotates row material baffle 7 and makes the discharge of mixed material through row material baffle 7 department, utilize stock guide 4 to carry out the material and accept the direction.

When the device is used, sand is injected into the mixing drum 1 through the sand guide pipe 2, then the reducing motor 52 is started to drive the conical bottom plate 15 to rotate, the conical bottom plate 15 drives the rotating shaft 11 and the arc plate 12 to synchronously rotate to stir and disperse the sand, the stirring shafts 13 on two sides of the rotating shaft 11 are simultaneously rotated through the transmission of the first gear 16 and the second gear 17, so that the stirring blades 14 are controlled to stir the sand dispersed to the edge to the center again, then the sand is injected into the mixing drum 1 through the auxiliary material guide pipe 6, resin and additives are added, the materials are quickly mixed through the circulating stirring formed by the matching of the stirring blades 14 and the arc plate 12, the movable cover plate 33 is controlled to lift in the mixing drum 1, the sand guide pipe 2 and the auxiliary material guide pipe 6 are controlled to be discharged in the mixing drum 1, and the bottoms of the sand guide pipe 2 and the auxiliary material guide pipe 6 are covered and protected by the movable cover plate 33, so that dust is prevented from entering the auxiliary material guide pipe 6 in the sand feeding process.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The precoated sand mixer comprises a mixing barrel (1), and is characterized in that a top cover (3) is arranged on the top surface of the mixing barrel (1), a sand material guide pipe (2) is arranged on one side of the top cover (3), an auxiliary material guide pipe (6) is arranged on the other side of the top cover (3), the sand material guide pipe (2) and the bottom end of the auxiliary material guide pipe (6) are fixedly communicated with the outer wall of the mixing barrel (1), a speed reducing motor (52) is arranged below the mixing barrel (1), a rotating shaft (11) is rotatably connected to the inner wall of the mixing barrel (1), a conical bottom plate (15) is fixedly connected to the bottom end of the rotating shaft (11), an arc-shaped plate (12) is fixedly connected to the bottom surface center of the conical bottom plate (15) and the output shaft end of the speed reducing motor (52), stirring shafts (13) are respectively arranged on two sides of the rotating shaft (11), stirring blades (14) are fixedly connected to the bottom surfaces of the stirring shafts (13), and a transmission connection between the top ends of the stirring shafts (13) and the rotating shafts (11).

2. The precoated sand mixer of claim 1, wherein the top surface of the top cover (3) is connected with a transmission case (31) in a penetrating manner, air cylinders (32) are arranged on two sides of the transmission case (31), and movable cover plates (33) are fixedly connected to the telescopic rods of the two air cylinders (32) in a penetrating manner and penetrate through the bottom surface of the top cover (3).

3. A precoated sand mixer as claimed in claim 2, wherein one movable cover plate (33) is arranged at the bottom end side of the sand material guide pipe (2), and the other movable cover plate (33) is arranged at the bottom end side of the auxiliary material guide pipe (6).

4. The precoated sand mixer of claim 1, wherein the outer wall of the lower part of the mixing barrel (1) is fixedly connected with a supporting frame (5), and the inner wall of the supporting frame (5) is fixedly connected with a mounting plate (51).

5. The precoated sand mixer of claim 4, wherein the gear motor (52) is fixedly arranged on the top surface of the mounting plate (51).

6. The precoated sand mixer of claim 1, wherein the bottom surface of the mixing barrel (1) is fixedly connected with a material guiding plate (4), a material discharging baffle (7) is arranged above the material guiding plate (4), and the material discharging baffle (7) is rotationally connected to the outer wall of the mixing barrel (1).

7. The precoated sand mixer of claim 2, wherein the top end of the rotating shaft (11) penetrates through the inner wall of the transmission case (31) and is fixedly connected with a first gear (16).

8. The precoated sand mixer of claim 7, wherein the two sides of the first gear (16) are respectively connected with the second gear (17) in a meshed manner, and the top end of the stirring shaft (13) penetrates through the inner wall of the transmission case (31) and is fixedly connected with the second gear (17).