Sorting mechanism for precoated sand feeding

Abstract

The utility model belongs to the technical field of precoated sand feeding, and particularly relates to a sorting mechanism for precoated sand feeding, which comprises a bottom plate, a storage mechanism is arranged on one side of the top end of the bottom plate, an adjusting mechanism is arranged at the top of the bottom plate, a feeding barrel is arranged on the adjusting mechanism, and a first rotating shaft is rotatably mounted in the feeding barrel; a first spiral material pushing blade is arranged on the outer wall of the first rotating shaft, a connecting pipe is fixed to the top of the feeding barrel in a penetrating mode, a material guiding pipe is fixed to the bottom of the side, away from the connecting pipe, of the feeding barrel in a penetrating mode, a material distributing barrel is connected to the top of the connecting pipe in a penetrating mode, and a plurality of first filtering holes communicating with the connecting pipe are formed in the material distributing barrel; a second rotating shaft is rotationally mounted in the material distributing barrel, and a second spiral material pushing blade is rotationally mounted on the outer wall of the second rotating shaft; according to the feeding device, the sorting effect and the sorting efficiency of equipment can be improved, the problem that an existing feeding device is single is solved, the quality of fed crude sand is almost consistent, the production quality is improved, and the cost can be saved invisibly.

Description

Technical Field

[0001] The utility model belongs to the technical field of coated sand feeding equipment, and specifically relates to a sorting mechanism for coated sand feeding. Background Art

[0002] Coated sand is a special type of molding sand or core sand, the surface of which is covered with a layer of solid resin film before molding. This material has the characteristics of appropriate strength, good fluidity, clear sand mold and sand core contours, dense structure, good surface quality and good crushability, so it can produce complex sand cores and castings are easy to clean. Coated sand is mainly used in the production of steel and iron castings.

[0003] For example, a Chinese patent for a new type of feeding mechanism for coated sand with authorization announcement number CN220161247U includes a base plate, a support frame is installed on the left side of the top of the base plate, a storage box is installed on the top of the support frame, the bottom end of the storage box is connected to a negative pressure pipe, a negative pressure pump is installed on the left side of the top of the base plate, the input end of the negative pressure pump is connected to the negative pressure pipe, and an adjusting mechanism is installed on the right side of the top of the base plate; the utility model can store coated sand production materials through the storage box, and through the action of the negative pressure pump and the negative pressure pipe, the material in the storage box can be sucked and introduced into the interior of the feeding rack, the first motor is controlled to drive the driving rod to rotate, so that the driving rod drives the spiral guide plate to rotate stably inside the feeding rack, and the material therein can be transported to the right side, so that the material can be exported through the guide pipe, which is convenient for transporting the material to the specified position and convenient for feeding the coated sand production equipment.

[0004] The above-mentioned feeding equipment has relatively single functions and lacks the ability to screen coated sand, which leads to significant differences in the quality of the raw sand after feeding, thus affecting the quality of the final product. This situation not only invisibly increases the production cost. Utility Model Content

[0005] The purpose of the present invention is to provide a sorting mechanism for coated sand feeding, which can improve the sorting effect and efficiency of the equipment, solve the problem that the existing feeding device is relatively single, make the quality of the original sand after feeding almost consistent, improve the production quality, and save costs invisibly.

[0006] The technical solutions adopted in this utility are as follows:

[0007] The cam is provided with a first gear which is adapted to move the first and second gears and is provided with a first gear which is adapted to move the first and second gears together.

[0008] Furthermore, a recovery pipe is fixed through the bottom of the distributing barrel and located on one side of the connecting pipe, one end of the recovery pipe passes through the inside of the connecting pipe, and a plurality of second filtering holes are opened through the bottom wall of the recovery pipe and located inside the recovery pipe.

[0009] Furthermore, a blanking plate is fixed at the top of the recovery pipe and inside the connecting pipe, and the cross-section of the blanking plate is triangular.

[0010] Furthermore, a vibration motor is arranged on one side of the bottom of the recovery pipe and inside the connecting pipe.

[0011] The technical effects achieved by this utility model are:

[0012] The present invention provides a sorting mechanism for feeding coated sand. A dividing barrel is provided. Through the provided first filtering hole, in cooperation with the rotating second spiral pushing blade, the coated sand raw materials entering into the dividing barrel can be screened, so that qualified raw materials enter into the feeding barrel, and unqualified materials enter into the recovery pipe for collection. The second filtering hole provided on the recovery pipe can further filter and screen qualified materials mixed with unqualified materials, thereby improving the sorting effect and efficiency of the equipment, solving the problem of the existing feeding device being relatively single, making the quality of the original sand after feeding almost consistent, improving the production quality, and saving costs invisibly. The invention is relatively practical and complete. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model in a front view;

[0014] Figure 2 It is a side-view stereoscopic structural schematic diagram of the utility model;

[0015] Figure 3 It is a side view schematic diagram of the cutaway body structure of the present invention.

[0016] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0017] 1. Bottom plate; 2. Adjustment mechanism; 3. Storage mechanism; 4. Loading barrel; 5. First rotating shaft; 6. First spiral push blade; 7. Material guide pipe; 8. Connecting pipe; 9. Distributing barrel; 10. Second rotating shaft; 11. Second spiral push blade; 12. Motor; 13. First filter hole; 14. Recovery pipe; 15. Second filter hole; 16. Unloading plate; 17. Pulley; 18. Belt. DETAILED DESCRIPTION

[0018] In order to make the purpose and advantages of the present invention more clearly understood, the present invention is specifically described below in conjunction with the embodiments. It should be understood that the following text is only used to describe one or several specific implementations of the present invention, and does not strictly limit the scope of protection specifically requested by the present invention.

[0019] like Figure 1-3As shown, a screening mechanism for coating sand feeding includes a bottom plate 1, a storage mechanism 3 is arranged on one side of the top of the bottom plate 1, and an adjusting mechanism 2 is arranged on the top of the bottom plate 1. The adjusting mechanism 2 and the storage mechanism 3 are prior art. For specific working principles and structures, please refer to the Chinese patent of a new type of coating sand feeding mechanism with the authorization announcement number CN220161247U. Now, no detailed description is given. A feeding barrel 4 is arranged on the adjusting mechanism 2, and a first rotating shaft 5 is rotatably installed inside the feeding barrel 4. The outer wall of the first rotating shaft 5 is arranged There is a first spiral push blade 6, a connecting pipe 8 is fixed through the top of the upper barrel 4, a guide pipe 7 is fixed through the bottom of the upper barrel 4 away from the connecting pipe 8, a distributor barrel 9 is connected to the top of the connecting pipe 8, and a plurality of first filter holes 13 connected to the connecting pipe 8 are provided inside the distributor barrel 9, which is convenient for filtering and screening the coated sand, and is more practical. A second rotating shaft 10 is rotatably installed inside the distributor barrel 9, and a second spiral push blade 11 is rotatably installed on the outer wall of the second rotating shaft 10. One side of the distributor barrel 9 is provided with a second filter hole 13 connected to the second rotating shaft 1 0 connected to the motor 12, the outer wall of the first rotating shaft 5 and the second rotating shaft 10 and located on one side of the material distribution barrel 9 are provided with a pulley 17, and a belt 18 is provided between the two pulleys 17. The cooperation of the set pulley 17 and the belt 18 is convenient for the motor 12 to drive the first rotating shaft 5 and the second rotating shaft 10 to rotate respectively. The structure is simple and the operation is convenient, which is convenient for screening the coated sand, and the screening effect is relatively good, which improves the work efficiency and reduces the labor intensity. The problem of the existing feeding device being relatively single is solved, so that the quality of the original sand after feeding remains consistent; the bottom of the material distribution barrel 9 and located on one side of the connecting pipe 8 are fixed with a recovery pipe 14, one end of the recovery pipe 14 passes through the inside of the connecting pipe 8, and the bottom wall of the recovery pipe 14 and located in the recovery pipe 14 are provided with a plurality of second filter holes 15, which are more practical, convenient for further sorting and recycling of materials, and improve the efficiency and efficiency of material sorting. The materials coming out of the recovery pipe 14 are collected by an external collection box or a collection device. After the collection is completed, the collected materials can be processed and crushed so that the materials can meet the standards;

[0020] like Figure 3 As shown, a blanking plate 16 is fixed at the top of the recovery pipe 14 and located in the connecting pipe 8. The cross section of the blanking plate 16 is triangular to prevent materials from accumulating on the top of the recovery pipe 14. The blanking plate 16 is set so that materials cannot accumulate on the top of the recovery pipe 14;

[0021] like Figure 3 As shown, a vibration motor is provided on one side of the bottom of the recovery pipe 14 and inside the connecting pipe 8 to avoid blockage of the recovery pipe 14, facilitate unloading of materials in the recovery pipe 14, and improve work efficiency;

[0022] like Figure 1-2 As shown, brake wheels are arranged at the four corners of the bottom of the bottom plate 1, which is convenient for the overall movement of the equipment and is relatively complete;

[0023] like Figure 1-2 As shown, the material storage mechanism 3 is composed of a support frame, a material storage box and a negative pressure pump. A support frame is installed on one side of the top of the base plate 1, and a material storage box is installed on the top of the support frame. The bottom end of the material storage box is connected with a negative pressure pipe, and a negative pressure pump is installed on one side of the top of the base plate 1. The input end of the negative pressure pump is connected with the negative pressure pipe, and the output shaft of the negative pressure pump is connected with one side of the top of the distributing barrel 9, which is convenient for conveying the raw materials in the material storage box into the distributing barrel 9, which is convenient for subsequent work and saves the trouble of manual adding of materials, which is more labor-saving.

[0024] The working principle of the utility model is as follows: when in use, the raw materials in the storage box are transported into the distribution barrel 9 through the negative pressure pump, the motor 12 is started, the motor 12 drives the second rotating shaft 10 to rotate, the second rotating shaft 10 drives the second spiral pushing blade 11 to rotate, and the raw materials in the distribution barrel 9 are pushed to move by the second spiral pushing blade 11, and the first filter hole 13 is cooperated to make the materials with smaller particles pass through the first filter hole 13 and enter the feeding barrel 4 through the connecting pipe 8, and the raw materials with larger particles enter the recovery pipe 14. When the raw materials with larger particles move to the connecting pipe 8 area, the vibration motor is combined with the second filter hole 15 to further screen the smaller particles in the larger particles, and finally the larger particles coming out of the recovery pipe 14 are recovered by the external collection equipment, and the second rotating shaft 10 drives the first rotating shaft 5 to rotate through the pulley 17 and the belt 18. The first rotating shaft 5 and the first spiral pushing blade 6 move the raw materials entering the feeding barrel 4, so that the raw materials can come out along the guide pipe 7 and fall to the designated position, which is convenient for feeding and sorting the coated sand production equipment.

[0025] The above is only a preferred embodiment of the present invention. It should be noted that, for ordinary technicians in the field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A screening mechanism for coated sand feeding, comprising a bottom plate (1), a storage mechanism (3) being arranged on one side of the top end of the bottom plate (1), and an adjustment mechanism (2) being arranged on the top of the bottom plate (1), characterized in that: The regulating mechanism (2) is provided with a feeding barrel (4), a first rotating shaft (5) is rotatably mounted inside the feeding barrel (4), a first spiral pushing blade (6) is provided on the outer wall of the first rotating shaft (5), a connecting pipe (8) is fixedly passed through the top of the feeding barrel (4), a material guide pipe (7) is passed through and fixedly passed through the bottom of the feeding barrel (4) on the side away from the connecting pipe (8), a distributing barrel (9) is passed through and connected to the top of the connecting pipe (8), and a plurality of connecting pipes (7) are provided inside the distributing barrel (9). A first filter hole (13) connected to the pipe (8) is formed, a second rotating shaft (10) is rotatably mounted inside the material distribution barrel (9), a second spiral pusher blade (11) is rotatably mounted on the outer wall of the second rotating shaft (10), a motor (12) connected to the second rotating shaft (10) is arranged on one side of the material distribution barrel (9), pulleys (17) are arranged on the outer walls of the first rotating shaft (5) and the second rotating shaft (10) and are located on one side of the material distribution barrel (9), and a belt (18) is arranged between the two pulleys (17).

2. A coating sand feeding sorting mechanism according to claim 1, characterized in that: A recovery pipe (14) is fixedly provided at the bottom of the distributing barrel (9) and located on one side of the connecting pipe (8), one end of the recovery pipe (14) passes through the interior of the connecting pipe (8), and a plurality of second filter holes (15) are provided on the bottom wall of the recovery pipe (14) and located inside the recovery pipe (14).

3. A coating sand feeding sorting mechanism according to claim 2, characterized in that: A blanking plate (16) is fixed at the top of the recovery pipe (14) and located inside the connecting pipe (8), and the cross section of the blanking plate (16) is triangular.

4. A coating sand feeding sorting mechanism according to claim 2, characterized in that: A vibration motor is arranged on one side of the bottom of the recovery pipe (14) and inside the connecting pipe (8).

5. The coating sand feeding sorting mechanism according to claim 1, characterized in that: Braking wheels are arranged on the four corners of the bottom of the base plate (1).

6. A coating sand feeding sorting mechanism according to claim 1, characterized in that: The material storage mechanism (3) is composed of a support frame, a material storage box and a negative pressure pump, and the output shaft of the negative pressure pump is connected to one side of the top of the material distribution barrel (9).

Images