Material control assembly for processing waterborne polyurethane resin

Abstract

The utility model relates to a material control component for processing waterborne polyurethane resin, which is arranged on a reaction kettle and comprises a mounting back plate arranged on the reaction kettle, a material buffer bin is assembled on the reaction kettle, and a material control component for controlling feeding is arranged on the mounting back plate. According to the material control assembly for waterborne polyurethane resin processing, by arranging the driving module, after the driving module is started, an output shaft of the driving module drives a first hinge piece to rotate, rotation of the first hinge piece drives a second hinge piece and a third hinge piece to swing around a hinge shaft, and a material pushing rod is driven to do linear motion on the horizontal line; the rotary motion is converted into the left-right reciprocating motion of the material pushing rod, so that the material pushing plate is driven to do the left-right reciprocating motion in the material buffering bin, finally, raw materials in the material buffering bin can uniformly enter the reaction kettle under the pushing of the material pushing plate every time, and the quantity of the materials entering the reaction kettle every time is consistent; and the purpose of accurately controlling and feeding materials is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to waterborne polyurethane resin processing technical field, specifically is a kind of material control assembly for waterborne polyurethane resin processing. BACKGROUND

[0002] Waterborne polyurethane resin is a kind of polyurethane resin with water as solvent or dispersion medium, compared with traditional solvent-based polyurethane resin, waterborne polyurethane resin has the advantages of low volatile organic compound emission, environmental friendly and non-toxic, and is widely used in coating, adhesive, textile, leather treatment and other surface treatment and other fields, when producing waterborne polyurethane resin, a variety of ingredients need to be used, and quantitative feeding is needed when feeding ingredients to ensure normal production.

[0003] In the prior art, when waterborne polyurethane resin needs to be processed, feeding pump is usually selected to add raw materials, and the feeding amount of raw materials is determined by the suction time of feeding pump, but the opening and closing of feeding pump can cause feeding error, which can affect the amount of raw materials finally entering the reaction kettle, resulting in inaccurate feeding of raw materials and inability to realize precise material control, therefore a material control assembly for waterborne polyurethane resin processing is proposed to solve the above technical problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a material control assembly for waterborne polyurethane resin processing, which has the advantages of precise material control, solves the problem of inaccurate feeding of raw materials caused by the opening and closing of feeding pump, which can affect the amount of raw materials finally entering the reaction kettle, resulting in inaccurate feeding of raw materials and inability to realize precise material control.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a material control assembly for waterborne polyurethane resin processing is arranged on a reaction kettle, including a mounting back plate arranged on the reaction kettle, a material buffer bin assembled on the reaction kettle, and a material control assembly for controlling feeding arranged on the mounting back plate.

[0006] The material control assembly includes a driving module assembled on the mounting back plate, a first hinged piece arranged on the output shaft of the driving module, a second hinged piece arranged on the first hinged piece, a third hinged piece arranged on the second hinged piece, a push rod assembled on the third hinged piece and extending into the material buffer bin through the other end, and a push plate arranged on the end of the push rod away from the third hinged piece.

[0007] Further, the shape of the material buffer bin is a hollow rectangular parallelepiped with a missing right side surface.

[0008] Further, the first hinged piece is hinged with the second hinged piece through a hinge shaft.

[0009] Further, the second hinged piece is hinged with the third hinged piece through a hinge shaft.

[0010] Further, a guide block is arranged on the mounting back plate and is in the same horizontal line with the pushing rod.

[0011] Further, a guide hole is formed on the guide block and matches with the pushing rod.

[0012] Further, a limiting hole is formed on the material buffer bin and matches with the pushing rod.

[0013] Compared with the prior art, the technical scheme has the following beneficial effects:

[0014] The water-based polyurethane resin processing material control assembly, by setting the driving module, the output shaft of the driving module drives the first hinged piece to start rotating, the rotation of the first hinged piece drives the second hinged piece and the third hinged piece to swing around the hinge shaft, drives the pushing rod to make linear motion on the horizontal line, converts the rotary motion into the left and right reciprocating motion of the pushing rod, and further drives the pushing plate to make left and right reciprocating motion in the material buffer bin, so that the raw materials in the material buffer bin can be uniformly fed into the reaction kettle under the pushing of the pushing plate each time, the amount of material fed into the reaction kettle each time is consistent, the purpose of precise material control feeding is achieved, the opening and closing of the feeding pump can cause the error of the feeding amount, which further affects the amount of raw materials finally fed into the reaction kettle, causes the inaccuracy of raw material feeding, and cannot realize precise material control. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a schematic view of the material control assembly of the utility model;

[0017] Figure 3 It is a front view of the material control assembly of the utility model;

[0018] Figure 4 It is a structural schematic view of the material buffer bin of the utility model.

[0019] In the figure: 1, reaction kettle; 2, mounting back plate; 3, material buffer bin; 4, material control assembly; 401, driving module; 402, first hinged piece; 403, second hinged piece; 404, third hinged piece; 405, pushing rod; 406, pushing plate. DETAILED DESCRIPTION

[0020] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figure 1 The material control assembly for processing the water-based polyurethane resin in the embodiment is arranged on the reaction kettle 1, and comprises the mounting back plate 2 arranged on the reaction kettle 1, the material buffer bin 3 assembled on the reaction kettle 1, and the material control assembly 4 arranged on the mounting back plate 2 and used for controlling feeding.

[0022] The material control assembly 4 comprises the driving module 401 assembled on the mounting back plate 2, the first hinged piece 402 arranged on an output shaft of the driving module 401, the second hinged piece 403 arranged on the first hinged piece 402, the third hinged piece 404 arranged on the second hinged piece 403, the pushing rod 405 assembled on the third hinged piece 404 and extending into the material buffer bin 3 through the other end, and the pushing plate 406 arranged on the pushing rod 405 and away from the third hinged piece 404.

[0023] The material buffer bin 3 is in the shape of a hollow cuboid with a missing right side, and the missing part on the right side of the material buffer bin 3 is a channel through which the material leaves the material buffer bin 3 and enters the reaction kettle 1.

[0024] In the embodiment, the feeding bin is assembled on the reaction kettle 1, the feeding motor is assembled on the feeding bin, the shaft rod is arranged on an output shaft of the feeding motor, the spiral conveying blade is assembled on the shaft rod, the feeding bin is provided with the material falling pipe in communication with the feeding bin on the side close to the material buffer bin 3, the feeding funnel for raw materials to enter is arranged on the feeding bin, and the spiral conveying blade is a common device in the prior art, which will not be described in detail herein.

[0025] In application, the feeding motor on the feeding bin is started, the shaft rod and the spiral conveying blade are driven to rotate by the output shaft of the feeding motor, then the staff pours the raw materials for processing the water-based polyurethane resin into the feeding bin through the feeding funnel on the feeding bin, the raw materials are conveyed from top to bottom with the rotation of the spiral conveying blade, and finally enter the material buffer bin 3 through the material falling pipe.

[0026] Please refer to Figures 2-4In order to make the material enter the reaction kettle 1 equally, the material control assembly 4 in the embodiment comprises a driving module 401 assembled on the mounting back plate 2, a first hinged piece 402 arranged on the output shaft of the driving module 401, a second hinged piece 403 arranged on the first hinged piece 402, a third hinged piece 404 arranged on the second hinged piece 403, a pushing rod 405 assembled on the third hinged piece 404 and extending into the material buffer bin 3 through the other end, and a pushing plate 406 arranged on the end of the pushing rod 405 away from the third hinged piece 404.

[0027] It should be noted that the driving module 401 comprises but is not limited to a speed regulating motor, a direct current motor or a servo motor and other devices or structures capable of rotating the first hinged piece 402, and the first hinged piece 402 can be rotated, preferably, the driving module 401 in the application is a speed regulating motor, when the rotating speed of the driving module 401 is fast, the amount of material entering the reaction kettle 1 each time is small, and when the rotating speed of the driving module 401 is slow, the amount of material entering the reaction kettle 1 each time is large.

[0028] The first hinged piece 402 is hinged with the second hinged piece 403 through a hinged shaft.

[0029] The second hinged piece 403 is hinged with the third hinged piece 404 through a hinged shaft.

[0030] The mounting back plate 2 is assembled with a guide block, and the guide block is located on the same horizontal line as the pushing rod 405.

[0031] The guide block is formed with a guide hole matched with the pushing rod 405 in a gap.

[0032] The material buffer bin 3 is formed with a limiting hole matched with the pushing rod 405 in a gap.

[0033] The working principle of the above embodiment is as follows:

[0034] In the processing of the water-based polyurethane resin, each raw material needs to be added to the reaction kettle 1, at this time the feeding motor on the feeding bin is started, the output shaft of the feeding motor drives the shaft rod and the spiral conveying blade to start rotating, then the staff pours the raw material for processing the water-based polyurethane resin through the feeding funnel on the feeding bin, with the rotation of the spiral conveying blade, the raw material is conveyed from top to bottom, and finally enters the material buffer bin 3 through the discharging pipe, at this time the driving module 401 is started, the output shaft of the driving module 401 starts rotating, driving the first hinged piece 402 to rotate, since the first hinged piece 402, the second hinged piece 403 and the third hinged piece 404 are hinged two by two, the first hinged piece 402 and the second hinged piece 403 start to swing, and the straight line motion is converted from the rotary motion by the limiting action of the guide block, and then drives the push rod 405 to make left-right reciprocating motion, finally makes the push plate 406 in the material buffer bin 3 make left-right reciprocating motion, with the left-right movement of the push plate 406, the material is pushed out of the material buffer bin 3 when the push plate 406 moves right each time, and finally falls into the reaction kettle 1, since the time of the right movement of the push plate 406 each time is fixed, and the feeding bin continuously sends the material to the material buffer bin 3, the push plate 406 can push out the same amount of material from the material buffer bin 3 each time, achieving the purpose of precise material control.

[0035] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0036] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made without departing from the principles and spirit of the present application.

Claims

1. A material control assembly for processing of aqueous polyurethane resin, which is arranged on a reaction kettle (1), characterized in that: The installation back plate (2) is arranged on the reaction kettle (1) which is equipped with the material buffer bin (3), and the control material assembly (4) for controlling feeding is arranged on the installation back plate (2). The control material assembly (4) comprises the driving module (401) arranged on the installation back plate (2), the first hinged piece (402) arranged on the output shaft of the driving module (401), the second hinged piece (403) arranged on the first hinged piece (402), the third hinged piece (404) arranged on the second hinged piece (403), the pushing rod (405) arranged on the third hinged piece (404) and extending into the material buffer bin (3) through the other end, and the pushing plate (406) arranged on the end of the pushing rod (405) away from the third hinged piece (404).

2. The material control assembly for processing waterborne polyurethane resin according to claim 1, characterized in that: The material buffer bin (3) is in the shape of a hollow cuboid with the right side missing.

3. The material control assembly for processing waterborne polyurethane resin according to claim 1, characterized in that: The first hinged piece (402) is hinged with the second hinged piece (403) through a hinged shaft.

4. The material control assembly for processing waterborne polyurethane resin according to claim 1, characterized in that: The second hinged piece (403) is hinged with the third hinged piece (404) through a hinged shaft.

5. The material control assembly for processing waterborne polyurethane resin according to claim 1, characterized in that: The installation back plate (2) is equipped with a guide block which is in the same horizontal line with the pushing rod (405).

6. The material control assembly for processing waterborne polyurethane resin according to claim 5, characterized in that: The guide block is formed with a guide hole which is in clearance fit with the pushing rod (405).

7. The material control assembly for processing waterborne polyurethane resin according to claim 1, wherein: The material buffer bin (3) is formed with a limiting hole which is in clearance fit with the pushing rod (405).

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