A quantitative feeding machine for coating sand processing

Abstract

The utility model is applicable to the technical field of coated sand processing, and provides a quantitative feeding machine for coated sand processing, comprising a supporting mechanism, a stirring mechanism and a feeding mechanism, the supporting mechanism comprising a supporting frame, a storage box is installed on the supporting frame, a conveying box is installed at the lower end of the storage box, and a material guide pipe is rotatably connected to the outer wall of the conveying box, and a driving motor that drives the rotation of the material guide pipe is fixedly installed on the outer wall of the conveying box to adjust the discharge direction of the material guide pipe, so as to be suitable for feeding into different equipment; the stirring mechanism comprises a rotating shaft driven by a motor, an electric heating rod is installed inside the rotating shaft, the temperature of the mixing chamber is increased by the electric heating rod, raw materials are preset, and a plurality of stirring rods are driven to rotate by the rotating shaft to mix and stir the raw materials to prevent clogging of the interior of the feeding machine; a feeding shaft driven by a motor is installed inside the conveying box, and spiral blades are arranged on the outer wall of the feeding shaft, and the spiral blades are used to quantitatively feed the raw materials to improve the processing accuracy of the coated sand.

Description

Technical Field

[0001] The utility model belongs to the technical field of coated sand processing, in particular to a quantitative feeding machine for coated sand processing. Background Art

[0002] In the current field of coated sand processing technology, there are two coating processes: cold method and hot method: the cold method uses ethanol to dissolve the resin, and adds urotropine during the sand mixing process, so that the two are coated on the surface of the sand particles, and the ethanol evaporates to obtain coated sand; the hot method preheats the sand to a certain temperature, adds resin to melt it, stirs to coat the resin on the surface of the sand particles, adds urotropine aqueous solution and lubricant, cools, crushes, and sieves to obtain coated sand. It is necessary to quantitatively feed, control the content of coated sand, and improve the proportion accuracy of coated sand.

[0003] The utility model patent with the publication number CN20768055U discloses a material discharging device in the production of coated sand, including an inverted cone-shaped cover connected to a top rotating motor, the top rotating motor is fixed on a bracket, the top surface of the cover is provided with an inclined feeding channel, the inclined direction of the inclined feeding channel is opposite to the inclined direction of the outer wall of the cover, a plurality of annular bars are provided inside the cover, a plurality of annular PTC heaters are provided on the outer wall of the cover, the annular bars and the annular PTC heaters are arranged alternately, a discharge channel inserted into the material passage channel is provided at the bottom of the cover, the material passage channel is fixed on a bracket, the outer diameter of the discharge channel is smaller than the inner diameter of the material passage channel, and the rotating motor and the PTC heater are connected to a power supply. A material discharging mechanism can be provided for the mixing or heating process, and a preheating function can be provided during the material discharging process, which prepares a certain basis for mixing or heating in advance, saves energy consumption of subsequent processes, and improves the overall process efficiency of coated sand.

[0004] However, the above patent has the following shortcomings:

[0005] The above patent improves the processing efficiency of coated sand by preheating function. However, when feeding the coated sand, the raw materials are prone to adhesion and block the inside of the feeder. At the same time, quantitative feeding is required during the processing of the coated sand, which reduces the processing accuracy of the coated sand. Utility Model Content

[0006] The utility model provides a quantitative feeder for coated sand processing, aiming to solve the problem mentioned in the above background that the coated sand raw materials are prone to adhesion and block the inside of the feeder, and quantitative feeding is required during processing, which reduces the processing accuracy of the coated sand.

[0007] The utility model is implemented as follows: a quantitative feeder for coated sand processing comprises a support mechanism, wherein the support mechanism comprises a support frame, a material storage box is fixedly mounted on the support frame, and a mixing chamber is arranged inside the material storage box;

[0008] A conveying box is installed at the lower end of the material storage box, and the conveying box is connected to the material storage box;

[0009] A stirring mechanism, the stirring mechanism is rotatably mounted in the material storage box;

[0010] A material unloading mechanism is installed on the supporting mechanism.

[0011] Preferably, the stirring mechanism comprises a rotating shaft, the rotating shaft is installed in the mixing chamber, and an electric heating rod is arranged inside the rotating shaft; in this scheme, the temperature inside the mixing chamber is increased by the electric heating rod to pre-process the raw materials.

[0012] Preferably, a plurality of stirring rods are fixedly mounted on the outer wall of the rotating shaft, and the plurality of stirring rods are evenly distributed on the outer wall of the rotating shaft;

[0013] A second drive motor is installed on the outer wall of the storage box, and the second drive motor is connected to the rotating shaft in a transmission manner. In this solution, the second drive motor drives the rotating shaft to rotate, and then drives multiple stirring rods to rotate, stir the raw materials, and prevent the raw materials from sticking.

[0014] Preferably, a conical discharge port 1 is provided on the bottom wall of the storage box, and the storage box is connected to the conveying box through the discharge port 1;

[0015] The discharge port 1 is installed with a mounting seat through a bracket, and an electric push rod is fixedly installed on the mounting seat. The telescopic end of the electric push rod is fixedly installed with a conical stopper that matches the discharge port 1. In this scheme, the conical discharge port 1 is convenient for the raw materials to slide out, the electric push rod adjusts the height of the conical stopper, and the conical discharge port 1 is filled with the conical stopper, so as to facilitate the control of the flow rate of the raw materials.

[0016] Preferably, a discharge chute is installed at the lower end of the conveying box;

[0017] A feed shaft is rotatably installed in the conveying box, and spiral fan blades connected end to end are arranged on the outer wall of the feed shaft, and a drive motor three is fixedly installed in the mounting seat, and the drive motor three is transmission connected to the feed shaft; in this scheme, the feed shaft is driven to rotate by the drive motor three, and then the spiral fan blades connected end to end are driven to rotate, and the spiral fan blades connected end to end are used to transport the raw materials, thereby directional feeding.

[0018] Preferably, a material guide pipe is mounted on the outer wall of the conveying box, and the material guide pipe is rotatably connected to the conveying box;

[0019] An outer gear ring is arranged on the outer wall of the material guide pipe, and a driving motor 1 is fixedly installed on the outer wall of the conveying box, and a transmission gear meshing with the outer gear ring is installed at the telescopic end of the driving motor 1; in this scheme, the material guide pipe is bent, and the driving motor 1 is used to drive the outer gear ring to rotate, thereby adjusting the angle of the material guide pipe to feed materials to different equipment.

[0020] Compared with the prior art, the utility model has the following beneficial effects: the utility model is a quantitative feeder for processing coated sand.

[0021] 1. A material storage box is installed on the support frame, a conveying box is installed at the lower end of the material storage box, and a material guide pipe is rotatably connected to the outer wall of the conveying box. A driving motor that drives the rotation of the material guide pipe is fixedly installed on the outer wall of the conveying box to adjust the material discharging direction of the material guide pipe, so as to be suitable for feeding materials to different equipment;

[0022] 2. An electric heating rod is installed inside the rotating shaft, which increases the temperature of the mixing chamber. The raw materials are preset, and the rotating shaft is used to drive multiple stirring rods to rotate to mix and stir the raw materials to prevent clogging of the inside of the feeder;

[0023] 3. A feeding shaft driven by a motor is installed inside the conveying box, and spiral blades are arranged on the outer wall of the feeding shaft. The spiral blades are used to quantitatively convey the raw materials to improve the processing accuracy of the coated sand. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of this utility;

[0025] Figure 2 Practical Figure 1 The enlarged view of point A in the middle;

[0026] Figure 3 It is the structural schematic diagram of the practical material guide tube.

[0027] In the figure:

[0028] 1. Support mechanism; 11. Support frame; 12. Storage box; 121. Mixing chamber; 122. Discharge port 1; 13. Conveying box; 131. Discharge chute; 14. Material guide pipe; 141. External gear ring; 15. Driving motor 1; 151. Transmission gear;

[0029] 2. stirring mechanism; 21. rotating shaft; 211. electric heating rod; 212. stirring rod; 22. driving motor 2;

[0030] 3. Unloading mechanism; 31. Mounting seat; 32. Electric push rod; 321. Stop block; 33. Feeding shaft; 331. Spiral fan blade; 34. Driving motor three. DETAILED DESCRIPTION

[0031] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments.

[0032] The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0033] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0034] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] See also Figure 1-3 The utility model provides a technical solution: a quantitative feeding machine for coated sand processing, including a supporting mechanism 1, the supporting mechanism 1 includes a supporting frame 11, a storage box 12 is fixedly installed on the supporting frame 11, a mixing chamber 121 is arranged inside the storage box 12, a conveying box 13 is installed at the lower end of the storage box 12, the conveying box 13 is connected to the storage box 12, a stirring mechanism 2, the stirring mechanism 2 is rotatably installed in the storage box 12, a feeding mechanism 3, the feeding mechanism 3 is installed on the supporting mechanism 1, the stirring mechanism 2 includes a rotating shaft 21, the rotating shaft 21 is rotatably installed in the mixing chamber 121, and an electric heating rod 211 is arranged inside the rotating shaft 21.

[0037] The raw materials are stored in the material storage box 12 and fall into the mixing chamber 121. The electric heating rod 211 increases the temperature inside the mixing chamber 121, thereby heating the raw materials, pretreating the raw materials and improving the processing efficiency of the raw materials.

[0038] A plurality of stirring rods 212 are fixedly mounted on the outer wall of the rotating shaft 21 , and the plurality of stirring rods 212 are evenly distributed on the outer wall of the rotating shaft 21 . A second driving motor 22 is mounted on the outer wall of the material storage box 12 , and the second driving motor 22 is transmission-connected to the rotating shaft 21 .

[0039] The second driving motor 22 drives the rotating shaft 21 to rotate, and the multiple stirring rods 212 are used to stir and mix the raw materials to prevent the raw materials from being blocked.

[0040] A conical discharge port 122 is provided on the bottom wall of the storage box 12, and the storage box 12 is connected to the conveying box 13 through the discharge port 122. The discharge port 122 is equipped with a mounting seat 31 through a bracket, and an electric push rod 32 is fixedly installed on the mounting seat 31. The telescopic end of the electric push rod 32 is fixedly equipped with a conical stopper 321 that matches the discharge port 122.

[0041] In addition, the conical discharge port 122 facilitates the outflow of raw materials. The electric push rod 32 drives the conical stopper 321 to rise and fall, and the conical stopper 321 is used to block the conical discharge port 122. By controlling the gap between the conical stopper 321 and the discharge port 122, the flow rate of the raw materials is controlled.

[0042] A discharge chute 131 is installed at the lower end of the conveying box 13, and a feed shaft 33 is rotatably installed in the conveying box 13. The outer wall of the feed shaft 33 is provided with spiral blades 331 connected end to end, and a drive motor 34 is fixedly installed in the mounting seat 31, and the drive motor 34 is transmission-connected to the feed shaft 33.

[0043] In addition, the driving motor 34 drives the feeding shaft 33 to rotate, and then utilizes the spiral blades 331 connected end to end to rotate, and the raw materials slide down the spiral blades 331 and are discharged through the discharge trough 131.

[0044] A material guide pipe 14 is mounted on the outer wall of the conveying box 13, and the material guide pipe 14 is rotatably connected to the conveying box 13. An outer gear ring 141 is arranged on the outer wall of the material guide pipe 14, and a driving motor 15 is fixedly mounted on the outer wall of the conveying box 13. A transmission gear 151 meshing with the outer gear ring 141 is mounted on the telescopic end of the driving motor 15.

[0045] Furthermore, the material guide pipe 14 guides the raw materials to flow out, and at the same time, the driving motor 15 drives the material guide pipe 14 to rotate through gear transmission, and the position of the material guide pipe 14 is adjusted to discharge the materials to different equipment, which has a wider range of applications.

[0046] The working principle and use process of this utility model: please refer to Figure 1-3 The raw materials are stored in the material storage box 12, and the raw materials fall into the mixing chamber 121. The electric heating rod 211 increases the temperature inside the mixing chamber 121, thereby heating the raw materials and pretreating the raw materials. The driving motor 22 drives the rotating shaft 21 to rotate, and multiple stirring rods 212 are used to stir and mix the raw materials to prevent the raw materials from being blocked. The conical discharge port 122 is convenient for the raw materials to flow out. The electric push rod 32 drives the conical stopper 321 to rise and fall, and the conical discharge port 122 is blocked by the conical stopper 321. By controlling the gap between the conical stopper 321 and the discharge port 122, the flow rate of the raw materials is controlled, and the materials are discharged quantitatively. The driving motor 34 drives the feeding shaft 33 to rotate, and then the spiral blades 331 connected end to end are used to rotate. The raw materials slide down from the spiral blades 331, are discharged through the discharge trough 131, and are transported through the guide pipe 14.

[0047] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A quantitative feeding machine for coated sand processing, characterized in that: The invention comprises a support mechanism (1), wherein the support mechanism (1) comprises a support frame (11), a material storage box (12) is fixedly mounted on the support frame (11), and a mixing chamber (121) is arranged inside the material storage box (12); A conveying box (13) is installed at the lower end of the material storage box (12), and the conveying box (13) is connected to the material storage box (12); A stirring mechanism (2), the stirring mechanism (2) being rotatably mounted in the material storage box (12); A material unloading mechanism (3), wherein the material unloading mechanism (3) is installed on the supporting mechanism (1).

2. A quantitative feeder for coated sand processing as claimed in claim 1, characterized in that: The stirring mechanism (2) comprises a rotating shaft (21), the rotating shaft (21) is rotatably mounted in the mixing chamber (121), and an electric heating rod (211) is arranged inside the rotating shaft (21).

3. A quantitative feeder for coated sand processing as claimed in claim 2, characterized in that: A plurality of stirring rods (212) are fixedly mounted on the outer wall of the rotating shaft (21), and the plurality of stirring rods (212) are evenly distributed on the outer wall of the rotating shaft (21); A second drive motor (22) is installed on the outer wall of the material storage box (12), and the second drive motor (22) is transmission-connected to the rotating shaft (21).

4. A quantitative feeder for coated sand processing as claimed in claim 1, characterized in that: A conical discharge port (122) is provided on the bottom wall of the material storage box (12), and the material storage box (12) is connected to the conveying box (13) through the discharge port (122); The material outlet 1 (122) is mounted with a mounting seat (31) via a bracket, an electric push rod (32) is fixedly mounted on the mounting seat (31), and a conical stopper (321) matching the material outlet 1 (122) is fixedly mounted on the telescopic end of the electric push rod (32).

5. A quantitative feeder for coated sand processing as claimed in claim 4, characterized in that: A discharge chute (131) is installed at the lower end of the conveying box (13); A feeding shaft (33) is rotatably mounted in the conveying box (13), and spiral blades (331) connected end to end are arranged on the outer wall of the feeding shaft (33). A driving motor (34) is fixedly mounted in the mounting seat (31), and the driving motor (34) is transmission-connected to the feeding shaft (33).

6. The quantitative feeder for coated sand processing according to claim 1, characterized in that: A material guide pipe (14) is mounted on the outer wall of the conveying box (13), and the material guide pipe (14) is rotatably connected to the conveying box (13); An outer gear ring (141) is provided on the outer wall of the material guide tube (14), and a drive motor (15) is fixedly mounted on the outer wall of the conveying box (13), and a transmission gear (151) meshing with the outer gear ring (141) is mounted on the telescopic end of the drive motor (15).

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