A mixing and stirring device for a sand mixer with high mixing efficiency

Abstract

The application discloses a high-mixing-efficiency mixing and stirring device of a sand mixer, and belongs to the technical field of resin sand production devices.The device comprises a base, a damping mechanism is arranged at the top of the base, an outer shell is arranged at the top of the damping mechanism, an inner shell is arranged in the outer shell, a motor is fixed at the middle position of the top of the outer shell, the outer shell of the inner shell is provided, two groups of material bins are provided for the device, the rotation of the rotating rod is driven by the motor, the sand and stones in the inner shell can be stirred, the screw can be driven to rotate, the resin between the two groups of shells can be transported, the sand and stones can be directly and uniformly discharged into the sand and stones from the through hole, the stirring effect of the device is improved, the stirring efficiency is improved, the screw rod at the bottom of the rotating rod can transport the raw materials at the bottom upwards during the stirring process, the falling of the raw materials is accelerated during the discharging process, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The application relates to a stirring and mixing device, in particular to a sand mixer stirring and mixing device with high mixing efficiency, and belongs to the technical field of resin sand production devices. BACKGROUND

[0002] Resin sand is a kind of sand casting, and the sand used is resin sand. The resin sand is mixed by resin and sand in a certain proportion, does not need other materials and methods, and the sand can be hardened at room temperature to become a desired sand mold. A molding method uses resin as a binder and adds a catalyst to mix and form sand, and does not need to be baked or pass through a hardening gas to make the sand mold self-cured at room temperature.

[0003] In the production process of the resin sand, sand and resin need to be mixed, so a stirring device needs to be used. In the use process of the traditional stirring device, the raw materials are all poured into the inside of a stirring box, and the whole is stirred, so that a long stirring time is needed, and the stirring effect of the raw materials at the bottom is poor during the stirring process. Meanwhile, the stirring causes large vibration. Therefore, the application provides the sand mixer stirring and mixing device with high mixing efficiency to solve the problems in the prior art. SUMMARY

[0004] The main purpose of the application is to provide a sand mixer stirring and mixing device with high mixing efficiency to solve the problems of low stirring rate, poor stirring effect of raw materials at the bottom and large vibration caused by stirring in the prior art.

[0005] The purpose of the application can be achieved by adopting the following technical solutions.

[0006] A sand mixer stirring and mixing device with high mixing efficiency comprises a base, a damping mechanism is arranged at the top of the base,

[0007] An outer shell body is arranged at the top of the damping mechanism, an inner shell body is arranged in the inner shell body, a motor is fixed at the middle position of the top of the outer shell body, a rotating rod is arranged on the output end of the motor, the rotating rod extends to the bottom of the inner shell body, and stirring blades are uniformly arranged on the outer side of the rotating rod.

[0008] A discharging port is arranged at the middle position of the bottom of the inner shell body, through ports are uniformly arranged on the outer side of the inner shell body, spiral leaves are arranged between the outer side of the inner shell body and the outer shell body, a fixing rod is fixed at the top of the spiral leaves, the fixing rod is fixedly connected with the top of the rotating rod, and a feeding port is arranged on the outer side of the inner shell body.

[0009] Preferably, the damping mechanism comprises a sleeve, a spring, a support rod and a limiting block, the bottom end of the sleeve is fixedly connected to the base, the inside of the sleeve is provided with a spring, the top of the spring is provided with a limiting block, the top outer wall of the limiting block is fixedly connected with a support rod, and the top end of the support rod is fixedly connected with the outer shell.

[0010] Preferably, the number of the sleeves is four, and the four sleeves are circumferentially distributed on the base.

[0011] Preferably, the bottom end of the rotating rod is fixedly connected with a spiral rod, and the spiral rod is connected in the discharge port.

[0012] Preferably, the rotating rod is connected with a fixing block, and the fixing block is connected to the outer wall of the fixing block.

[0013] Preferably, the stirring blade is uniformly provided with perforations.

[0014] Preferably, the inner wall of the outer shell is connected with a fixing plate, and the motor is connected to the top outer wall of the fixing plate.

[0015] Preferably, the bottom of the inner shell is conical.

[0016] Preferably, the bottom of the base is provided with a rubber pad, and the bottom of the rubber pad is provided with anti-skid lines.

[0017] The application has the advantages that:

[0018] The application provides a sand mixer with high mixing efficiency, the outer shell of the inner shell is provided with two groups of material bins, the rotation of the rotating rod driven by the motor can not only stir the sand and stones in the inner shell, but also drive the spiral to rotate to transport the resin between the two groups of shells, directly and uniformly discharge the sand and stones into the inside of the resin, improve the stirring effect of the device, and increase the stirring efficiency, the spiral rod at the bottom of the rotating rod can transport the raw materials at the bottom upward during the stirring process, accelerate the falling of the raw materials during the discharging process, improve the practicability of the device, and the damping mechanism at the top of the base can reduce the vibration and noise generated during the use of the device. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view of the application;

[0020] Figure 2 It is a spiral blade of the application;

[0021] Figure 3 It is a damping mechanism of the application;

[0022] Figure 4 It is an installation drawing of the damping mechanism on the base.

[0023] In the figure: 1-base, 2-shock absorption mechanism, 3-outer shell, 301-fixed plate, 4-inner shell, 5-motor, 6-rotating rod, 7-stirring blade, 8-screw rod, 9-discharge port, 10-screw blade, 11-fixed rod, 12-through port, 13-feed port, 14-sleeve, 15-spring, 16-support rod; 17-limit block. DETAILED DESCRIPTION

[0024] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is described in further detail below with reference to embodiments and drawings, but the embodiments of the present invention are not limited thereto.

[0025] Example 1:

[0026] like Figures 1-4 As shown, this embodiment provides a sand mixer stirring and mixing device with high mixing efficiency, comprising a base 1, a shock absorbing mechanism 2 is provided on the top of the base 1;

[0027] An outer shell 3 is provided on the top of the shock absorbing mechanism 2, an inner shell 4 is provided inside the outer shell 3, a motor 5 is fixed at the middle position of the top of the outer shell 3, and a rotating rod 6 is installed at the output end of the motor 5, the rotating rod 6 extends to the bottom of the inner shell 4, and stirring blades 7 are evenly installed on the outside of the rotating rod 6;

[0028] A discharge port 9 is provided at the middle position of the bottom of the inner shell 4, and through openings 12 are evenly provided on the outside of the inner shell 4. A spiral blade 10 is provided between the outside of the inner shell 4 and the outer shell 3, and a fixing rod 11 is fixed to the top of the spiral blade 10. The fixing rod 11 is fixedly connected to the top of the rotating rod 6, and a feed port 13 is provided on the outside of the inner shell 4.

[0029] In this embodiment, if Figure 3 As shown, the shock absorbing mechanism 2 includes a sleeve 14, a spring 15, a support rod 16 and a limit block 17. The bottom end of the sleeve 14 is fixedly connected to the base 1, and a spring 15 is provided inside the sleeve 14. The top of the spring 15 is installed with a limit block 17. The support rod 16 is fixedly connected to the top outer wall of the limit block 17, and the top of the support rod 16 is fixedly connected to the outer shell 3. When the device is in use, the deformation of the spring 15 is used to reduce the vibration effect generated by the device. At the same time, the limit block 17 allows the support rod 16 to slide better in the sleeve 14. The height of the limit block 17 is high, which can make its sliding more stable.

[0030] In this embodiment, if Figure 4 As shown, there are four sleeves 4 , and the four sleeves 14 are distributed circumferentially on the base 1 . By providing four sleeves, the connection of the outer shell 3 can be made more stable.

[0031] In this embodiment, as shown in Figure 1 The bottom end of the rotating rod 6 is fixed with a screw rod 8, which is connected in the discharge port 9. The screw rod 8 is driven to rotate in the process of the motor 5 forward rotation, pushing the raw materials upward, enhancing the stirring effect, and preventing the materials from falling down. The screw rod 8 is driven to rotate in the process of the motor 5 reverse rotation, accelerating the falling of the raw materials, facilitating the discharge.

[0032] In this embodiment, as shown in Figure 1 The rotating rod 6 is connected with a fixed block, and the fixed block 11 is connected to the outer wall of the fixed block, which can make the connection more stable and more convenient to drive the screw blade 10 to rotate.

[0033] In this embodiment, as shown in Figure 1 The stirring blade 7 is uniformly provided with perforations, which reduces the resistance of the raw materials applied to the stirring blade 7 during rotation.

[0034] In this embodiment, as shown in Figure 1 The inner wall of the outer shell 3 is connected with a fixed plate 301, and the motor 5 is connected to the top outer wall of the fixed plate 301, which can make the motor 5 conveniently placed

[0035] In this embodiment, as shown in Figure 1 The bottom of the inner shell 4 is conical in shape, which avoids the accumulation of raw materials inside the inner shell 4.

[0036] In this embodiment, as shown in Figure 1 The bottom of the base 1 is provided with a rubber pad, and the bottom of the rubber pad is provided with anti-skid lines, which improves the stability of the device.

[0037] Embodiment 2:

[0038] As shown in Figures 1-3 The embodiment provides a sand mixer stirring and mixing device with high mixing efficiency, which comprises a base 1, and a damping mechanism 2 is arranged on the top of the base 1;

[0039] The top of the damping mechanism 2 is provided with an outer shell 3, the inside of the outer shell 3 is provided with an inner shell 4, the middle position of the top of the outer shell 3 is fixed with a motor 5, the output end of the motor 5 is installed with a rotating rod 6, the rotating rod 6 extends to the bottom of the inner shell 4, and the outer side of the rotating rod 6 is uniformly installed with stirring blades 7;

[0040] The middle position of the bottom of the inner shell 4 is provided with a discharge port 9, the outer side of the inner shell 4 is uniformly provided with a through port 12, the outer side of the inner shell 4 and the outer shell 3 are provided with a screw blade 10, the top of the screw blade 10 is fixed with a fixed rod 11, the fixed rod 11 is fixedly connected with the top of the rotating rod 6, and the outer side of the inner shell 4 is provided with a feeding port 13.

[0041] The damping mechanism 2 comprises a sleeve 14, a spring 15, a supporting rod 16 and a limiting block 17, the bottom end of the sleeve 14 is fixedly connected to the base 1, the inside of the sleeve 14 is provided with the spring 15, the top of the spring 15 is provided with the limiting block 17, the top outer wall of the limiting block 17 is fixedly connected with the supporting rod 16, and the top end of the supporting rod 16 is fixedly connected with the outer shell 3.

[0042] The number of the sleeves 14 is four, and the four sleeves 14 are circumferentially distributed on the base 1.

[0043] The bottom end of the rotating rod 6 is fixedly connected with a screw rod 8, and the screw rod 8 is connected in the discharging port 9.

[0044] The rotating rod 6 is connected with a fixing block, and the fixing block 11 is connected to the outer wall of the fixing block.

[0045] The stirring blade 7 is uniformly provided with perforations.

[0046] The inner wall of the outer shell 3 is connected with a fixing plate 301, and the motor 5 is connected to the top outer wall of the fixing plate 301.

[0047] The bottom of the inner shell 4 is conical.

[0048] The bottom of the base 1 is provided with a rubber pad, and the bottom of the rubber pad is provided with anti-skid lines.

[0049] The working process is as follows:

[0050] The sandstone is directly introduced into the inside of the inner shell 3, then the resin is continuously injected into the inner and outer shells through the feeding port 13, then the motor 5 is started to rotate, the motor 5 drives the rotating rod 6 to rotate, the inside of the inner shell 4 is stirred, and the screw blade 10 is driven to rotate, the resin is pushed to be directly injected into the inside of the sandstone through the through port 12, then the sandstone is thoroughly stirred by the continuous rotation of the stirring blade 7, in the stirring process, the screw rod 8 drives the raw materials at the bottom to be pushed upwards, in the discharging process, the screw rod 8 is driven to rotate reversely, and the discharging of the raw materials is accelerated.

[0051] The above is only further embodiments of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the disclosed range, which belongs to the protection scope of the present application.

Claims

1. A method for using a high-efficiency mixing device of a sand mixer, characterized in that: The device comprises a base (1), the top of which is provided with a damping mechanism (2); and the top of the damping mechanism (2) is provided with an outer shell (3), the inside of which is provided with an inner shell (4), the middle of the top of the outer shell (3) is fixed with a motor (5), and the output end of the motor (5) is installed with a rotating rod (6), which extends to the bottom of the inner shell (4), and the outer side of the rotating rod (6) is uniformly installed with stirring blades (7); The middle of the bottom of the inner shell (4) is provided with a discharge port (9), and the outer side of the inner shell (4) is uniformly provided with a through port (12), and the outer side of the inner shell (4) and the outer shell (3) are provided with a spiral blade (10), and the top of the spiral blade (10) is fixed with a fixed rod (11), which is fixedly connected with the top of the rotating rod (6), and the outer side of the inner shell (4) is provided with a feeding port (13); The damping mechanism (2) comprises a sleeve (14), a spring (15), a support rod (16) and a limiting block (17), the bottom end of the sleeve (14) is fixedly connected on the base (1), and the inside of the sleeve (14) is provided with a spring (15), the top of the spring (15) is installed with a limiting block (17), the top outer wall of the limiting block (17) is fixedly connected with the support rod (16), and the top end of the support rod (16) is fixedly connected with the outer shell (3); The bottom end of the rotating rod (6) is fixed with a spiral rod (8), which is connected in the discharge port (9); The sand and stones are directly introduced into the inside of the inner shell (4), then the resin is continuously injected between the inner and outer shells through the feeding port (13), then the motor (5) is started to rotate, the motor (5) drives the rotating rod (6) to rotate, the inside of the inner shell (4) is stirred, and the spiral blade (10) is driven to rotate, the resin is pushed, and is directly injected into the inside of the sand and stones through the through port (12), then is thoroughly stirred by the continuous rotation of the stirring blades (7), in the process of stirring, the spiral rod (8) drives the raw materials at the bottom to be pushed upwards, in the process of discharging, the spiral rod (8) is driven to rotate reversely, and the discharge of the raw materials is accelerated.

2. The use of a high-mixing-efficiency sand mixer mixing and blending device according to claim 1, characterized in that: The number of the sleeves (14) is four, and the four sleeves (14) are circumferentially distributed on the base (1).

3. The use of a high-mixing-efficiency sand mixer mixing and blending device according to claim 1, characterized in that: The rotating rod (6) is connected with a fixed block, and the fixed rod (11) is connected to the outer wall of the fixed block.

4. The use of a high-mixing-efficiency sand mixer mixing and blending device according to claim 1, characterized in that: The stirring blades (7) are uniformly provided with perforations.

5. The use of a high-mixing-efficiency sand mixer mixing and blending device according to claim 1, characterized in that: The inner wall of the outer shell (3) is connected with a fixed plate (301), and the motor (5) is connected to the top outer wall of the fixed plate (301).

6. The use of a high-mixing-efficiency sand mixer mixing and blending device as claimed in claim 1, wherein: The shape of the bottom of the inner shell (4) is conical.

7. The use of a high-mixing-efficiency sand mixer mixing and blending device according to claim 1, characterized in that: The bottom of the base (1) is provided with a rubber pad, and the bottom of the rubber pad is provided with anti-skid lines.

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