Raw material conveying device for polyurethane production

Abstract

The utility model discloses a raw material conveying device for polyurethane production, and relates to the technical field of polyurethane processing equipment. The conveying device comprises a conveying pipe, one side of the conveying pipe is fixedly connected with a first motor, and the output end of the first motor penetrates into the conveying pipe and is fixedly connected with a conveying auger; and a screening assembly is arranged at the top of the conveying pipe and comprises a material storage barrel, the material storage barrel communicates with the right side of the top of the conveying pipe, and a moving plate is arranged at the top of the material storage barrel. Through the arrangement of the screening assembly, when polyurethane is conveyed into the storage barrel, large-particle impurities in polyurethane raw materials can be screened through the screening frame, blockage caused by the fact that the large-particle impurities enter the conveying pipe is avoided, the polyurethane is stirred through the rotating magnetic roller, caked polyurethane is scattered, and the conveying efficiency is improved. Meanwhile, when the conveying pipe is in contact with polyurethane raw material particles, metal impurities in the polyurethane raw materials can be adsorbed, and the abrasion influence of the metal impurities on the wall of the conveying pipe is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of polyurethane processing equipment, and particularly relates to a raw material conveying device for polyurethane production. Background Technique

[0002] Polyurethane is an important industrial chemical, which is widely used in the manufacture of products such as foam plastics, elastomers, coatings, adhesives, etc. When producing polyurethane, a conveying device is required to transport the raw material particles of the polyurethane production materials to the foaming reaction tank, mix the production materials and then add them to the reaction tank, and generate polyurethane materials under certain conditions.

[0003] However, most of the existing polyurethane conveying equipment uses spiral conveying, and the polyurethane raw materials are conveyed by driving the spiral blades with a motor. However, when the larger particles and metal impurities in the polyurethane raw materials pass through the conveying pipe, they will cause wear to the blades and the pipe wall, greatly reducing the service life of the conveying equipment.

[0004] Therefore, we provide a raw material conveying device for polyurethane production to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a raw material conveying device for polyurethane production. Through the combined setting of a screening component and a driving component, it solves the problem that the existing polyurethane conveying equipment does not have the function of screening large particle impurities and metal impurities, and the large particle raw materials and iron impurities will cause wear to the blades and the pipe wall.

[0006] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0007] The utility model is a raw material conveying device for polyurethane production, including a conveying pipe. One side of the conveying pipe is fixedly connected with a first motor, and the output end of the first motor penetrates into the interior of the conveying pipe and is fixedly connected with a conveying auger;

[0008] A screening component is arranged on the top of the conveying pipe. The screening component includes a material storage cylinder, the material storage cylinder is communicated with the right side of the top of the conveying pipe, a moving plate is arranged on the top of the material storage cylinder, a support column is fixedly connected to one side of the moving plate, a screening frame is fixedly connected to the bottom of the support column, a support pipe is movably connected to the surface of the support column, and a brush plate and a magnetic roller are respectively fixedly connected to both sides of the support pipe. The large particle impurities and metal impurities in the polyurethane raw materials are screened through the screening component;

[0009] A driving component is arranged on the top of the material storage cylinder to agitate the polyurethane raw materials through the driving component.

[0010] The present utility model is further configured such that a hydraulic rod is fixedly connected to the top of the moving plate, a column is fixedly connected to one side of the hydraulic rod, and a base is fixedly connected to the bottom of the column.

[0011] The present utility model is further configured such that support columns are fixedly connected to both the front side and the rear side of the conveying pipe, and the bottoms of the support columns are fixedly connected to the base.

[0012] The present utility model is further configured such that the driving assembly includes a second motor, the second motor is fixed to the bottom of the moving plate, a first gear is fixedly connected to the output end of the second motor, and a second gear is fixedly connected to the surface of the support pipe.

[0013] The present utility model is further configured such that the first gear meshes with the second gear, and the surface of the support column is movably connected to the inner wall of the support pipe through a first bearing.

[0014] The present utility model is further configured such that a reinforcing rib is fixedly connected to the bottom of the screening frame, and the surface of the support pipe is movably connected to the inner wall of the moving plate through a second bearing.

[0015] The present utility model is further configured such that sliders are fixedly connected to both the front side and the rear side of the moving plate, and the sliders are slidably connected to the inner wall of the column.

[0016] The present utility model is further configured such that a discharge pipe is communicated with the bottom of the conveying pipe, and the bottom of the brush plate contacts the screening frame.

[0017] The present utility model has the following beneficial effects:

[0018] Through the arrangement of the screening assembly, when the polyurethane is conveyed into the storage cylinder, the screening frame can screen out large-particle impurities in the polyurethane raw material, avoiding blockage caused by large-particle impurities entering the conveying pipe. The rotating magnetic roller agitates the polyurethane to break up the agglomerated polyurethane. At the same time, when contacting with the polyurethane raw material particles, it can adsorb the metal impurities in the polyurethane raw material, avoiding the wear and tear on the conveying pipe wall caused by metal impurities.

[0019] Of course, it is not necessary for any product implementing the present utility model to achieve all the above advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0021] Figure 1It is a three-dimensional structure diagram of a raw material conveying device for polyurethane production.

[0022] Figure 2 It is a cross-sectional view of the conveying pipe in a raw material conveying device for polyurethane production.

[0023] Figure 3 It is a cross-sectional view of the storage cylinder in a raw material conveying device for polyurethane production.

[0024] Figure 4 It is a partial cross-sectional view of the moving plate and the screening frame in a raw material conveying device for polyurethane production.

[0025] Figure 5 It is a schematic diagram of the screening frame moving out of the storage cylinder in a raw material conveying device for polyurethane production.

[0026] In the attached drawings, the list of components represented by each reference numeral is as follows:

[0027] 1. Conveying pipe; 2. First motor; 3. Conveying auger; 4. Storage cylinder; 5. Moving plate; 6. Support column; 7. Screening frame; 8. Support pipe; 9. Brush plate; 10. Magnetic roller; 11. Hydraulic rod; 12. Column; 13. Base; 14. Support pillar; 15. Second motor; 16. First gear; 17. Second gear; 18. Reinforcing rib; 19. Slide block; 20. Discharge pipe. Detailed implementation manners

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. Specific embodiment one

[0030] Please refer to Figures 1-5 , the present invention is a raw material conveying device for polyurethane production, including a conveying pipe 1. A first motor 2 is fixedly connected to one side of the conveying pipe 1. The output end of the first motor 2 penetrates into the interior of the conveying pipe 1 and is fixedly connected to a conveying auger 3;

[0031] A screening assembly is arranged on the top of the conveying pipe 1. The screening assembly includes a storage cylinder 4. The storage cylinder 4 is communicated with the top right side of the conveying pipe 1. A moving plate 5 is arranged on the top of the storage cylinder 4. A support column 6 is fixedly connected to one side of the moving plate 5. The bottom of the support column 6 is fixedly connected to a screening frame 7. The surface of the support column 6 is movably connected to a support pipe 8. A brush plate 9 and a magnetic roller 10 are respectively fixedly connected to both sides of the support pipe 8. The large-particle impurities and metal impurities in the polyurethane raw materials are screened through the screening assembly;

[0032] A driving component is provided at the top of the storage bin 4 to agitate the polyurethane raw material through the driving component.

[0033] Specifically, the surface of the conveying auger 3 fits against the inner wall of the conveying pipe 1 and can rotate following the drive of the first motor 2. The rotating conveying auger 3 continuously pushes the polyurethane to achieve the conveying function. The storage bin 4 is used to store the raw materials. The screening frame 7 is composed of a circular frame and a screening mesh. The aperture of the screening mesh is the same as the size of the standard polyurethane particles. When the polyurethane enters the screening frame 7, the polyurethane that meets the standard can pass through the screening mesh and enter the conveying pipe 1, while the large-particle impurities will remain in the screening frame 7. Specific Embodiment Two

[0035] Please refer to Figures 1-5 , on the basis of Specific Embodiment One, a hydraulic rod 11 is fixedly connected to the top of the moving plate 5. One side of the hydraulic rod 11 is fixedly connected to a column 12, and the bottom of the column 12 is fixedly connected to a base 13. Pillars 14 are fixedly connected to both the front and rear sides of the conveying pipe 1, and the bottom of the pillar 14 is fixedly connected to the base 13. The driving component includes a second motor 15, the second motor 15 is fixed to the bottom of the moving plate 5, the output end of the second motor 15 is fixedly connected to a first gear 16, a second gear 17 is fixedly connected to the surface of the support pipe 8, the first gear 16 meshes with the second gear 17, and the surface of the support column 6 is movably connected to the inner wall of the support pipe 8 through a first bearing.

[0036] Specifically, the support pipe 8 is used to drive the brush plate 9 and the magnetic roller 10 to rotate. The bottom of the brush plate 9 contacts the screening mesh, and can continuously turn the polyurethane raw material in the screening frame 7 to improve the screening efficiency. When the magnetic roller 10 rotates, it can break up the agglomerated polyurethane and adsorb the metal impurities in the polyurethane raw material at the same time. The hydraulic rod 11 can drive the moving plate 5 to move, take out the screening frame 7 from the storage bin 4, which is convenient for the staff to clean the large-particle impurities in the screening frame 7 and the metal impurities on the surface of the magnetic roller 10. Specific Embodiment Three

[0038] Please refer to Figures 1-5 , on the basis of Specific Embodiment One and Specific Embodiment Two, a reinforcing rib 18 is fixedly connected to the bottom of the screening frame 7. The surface of the support pipe 8 is movably connected to the inner wall of the moving plate 5 through a second bearing. Sliders 19 are fixedly connected to both the front and rear sides of the moving plate 5, and the sliders 19 are slidably connected to the inner wall of the column 12. A discharge pipe 20 is connected to the bottom of the conveying pipe 1, and the bottom of the brush plate 9 contacts the screening frame 7.

[0039] Specifically, the support column 14 is fixed between the conveying pipe 1 and the base 13, which can support the conveying pipe 1. The first gear 16 meshes with the second gear 17, which can transmit the power of the second motor 15 to drive the support pipe 8 to rotate. The bottom of the screening frame 7 is fixed with a reinforcing rib 18, which is composed of two groups of steel bars fixed in a staggered manner and can support the bottom of the screening mesh. The slider 19 is slidably connected to the inner wall of the column 12, which can limit the up and down movement of the moving plate 5.

[0040] The working principle of the present utility model is as follows: The staff puts the polyurethane raw material into the storage barrel 4. The polyurethane raw material entering the storage barrel 4 will first enter the screening frame 7. Then, the second motor 15 is started through an external controller. The second motor 15 drives the second gear 17 to rotate in cooperation with the first gear 16. The second gear 17 drives the brush plate 9 and the magnetic roller 10 to rotate respectively in cooperation with the support pipe 8. The brush plate 9 can turn the polyurethane raw material on the top of the screening frame 7 to increase the screening efficiency. The rotating magnetic roller 10 can fully contact the polyurethane raw material to adsorb the metal impurities in the polyurethane raw material, effectively preventing large particle impurities from entering the conveying pipe 1 and causing blockage, and at the same time preventing the metal impurities from wearing the wall of the conveying pipe 1 and affecting it.

[0041] The screened standard polyurethane raw material enters the conveying pipe 1. At the same time, the first motor 2 is started. The first motor 2 drives the conveying auger 3 to rotate, continuously pushes the polyurethane raw material, and discharges it into the external reaction kettle through the discharge pipe 20 to improve the processing efficiency.

[0042] In the description of this specification, the description of reference terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0043] The preferred embodiments of the present utility model disclosed above are only used to help explain the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. Obviously, according to the content of this specification, many modifications and changes can be made. This specification selects and specifically describes these embodiments to better explain the principle and practical application of the present utility model, so that those skilled in the relevant technical field can understand and utilize the present utility model well. The present utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A raw material conveying device for polyurethane production, comprising a conveying pipe (1), characterized in that: A first motor (2) is fixedly connected to one side of the conveying pipe (1); an output end of the first motor (2) penetrates into the interior of the conveying pipe (1) and is fixedly connected to a conveying auger (3); A screening component is arranged at the top of the conveying pipe (1), and the screening component comprises a material storage barrel (4), the material storage barrel (4) is connected to the right side of the top of the conveying pipe (1), a movable plate (5) is arranged at the top of the material storage barrel (4), a support column (6) is fixedly connected to one side of the movable plate (5), a screening frame (7) is fixedly connected to the bottom of the support column (6), a support pipe (8) is movably connected to the surface of the support column (6), and a brush plate (9) and a magnetic roller (10) are fixedly connected to both sides of the support pipe (8), respectively, and large particle impurities and metal impurities in the polyurethane raw material are screened by the screening component; A driving component is arranged on the top of the material storage barrel (4), and the polyurethane raw material is stirred by the driving component.

2. A raw material conveying device for polyurethane production according to claim 1, characterized in that: The top of the movable plate (5) is fixedly connected to a hydraulic rod (11), one side of the hydraulic rod (11) is fixedly connected to a column (12), and the bottom of the column (12) is fixedly connected to a base (13).

3. A raw material conveying device for polyurethane production according to claim 2, characterized in that: The front and rear sides of the delivery pipe (1) are both fixedly connected to pillars (14), and the bottom of the pillars (14) is fixedly connected to the base (13).

4. A raw material conveying device for polyurethane production according to claim 1, characterized in that: The driving assembly comprises a second motor (15), the second motor (15) is fixed to the bottom of the moving plate (5), the output end of the second motor (15) is fixedly connected to a first gear (16), and the surface of the support tube (8) is fixedly connected to a second gear (17).

5. A raw material conveying device for polyurethane production according to claim 4, characterized in that: The first gear (16) is meshed with the second gear (17), and the surface of the support column (6) is movably connected to the inner wall of the support tube (8) via a first bearing.

6. A raw material conveying device for polyurethane production according to claim 1, characterized in that: A reinforcing rib (18) is fixedly connected to the bottom of the screening frame (7), and the surface of the support tube (8) is movably connected to the inner wall of the movable plate (5) via a second bearing.

7. A raw material conveying device for polyurethane production according to claim 1, characterized in that: The front and rear sides of the movable plate (5) are both fixedly connected with a slider (19), and the slider (19) is slidably connected to the inner wall of the column (12).

8. A raw material conveying device for polyurethane production according to claim 1, characterized in that: The bottom of the conveying pipe (1) is connected to a discharge pipe (20), and the bottom of the brush plate (9) is in contact with the screening frame (7).

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