Material applying mechanism capable of realizing multi-stage pressure reduction and multi-stage uniform application

Abstract

The utility model provides a material applying mechanism capable of multi-stage pressure reduction and multi-stage uniform application, which comprises a material applying plate, the cross section of the material applying plate is in an isosceles trapezoid shape, the plane where the short bottom edge is located is a feeding end face, the plane where the long bottom edge is located is a discharging end face, and a material receiving hole perpendicular to the feeding end face is arranged in the material applying plate close to the feeding end face. A plurality of discharging holes are formed in the portion, close to the discharging end face, of the interior of the material applying plate, a first material scattering pipe hole, a first material distributing pipe hole, a plurality of second material scattering pipe holes and a plurality of second material distributing pipe holes are sequentially formed in the portion, between the material receiving hole and the discharging holes, of the interior of the material applying plate in a communicating mode, and a feeding pipe extending out of the material applying plate is communicated with the interior of the material receiving hole; the feeding pipe is communicated with a connecting pipe used for being connected with an external feeding mechanism. The first material dispersing pipe hole and the first material distributing pipe hole are formed for primary dispersion, then the second material dispersing pipe hole and the second material distributing pipe hole are formed for secondary dispersion, finally, materials are uniformly dispersed and scattered from the plurality of material discharging holes in the material applying plate, and excessive concentration of applied materials can be avoided.

Description

Technical Field

[0001] This utility model relates to the field of feeding technology in manufacturing, and in particular to a feeding mechanism that can apply material at multiple stages of pressure reduction and uniform distribution. Background Technology

[0002] With the continuous development of automation, the level of automation in the manufacturing industry is also getting higher and higher. For a complete product processing production line, the operation from loading, processing to unloading can be automated, which can not only improve production efficiency, but also greatly improve product quality and improve the environment of the production workplace.

[0003] For production processes that require sprinkling or spreading of materials, such as the processing of frosted boards, fine particles need to be evenly sprinkled on the surface of the formed board to create a frosted texture, thereby producing a scattering and transmission effect. Existing feeding / spreading mechanisms usually use conduits, which simultaneously feed / spread materials through several conduits or work in conjunction with moving parts to perform reciprocating movements. This method of feeding / spreading materials using conduits has the following drawbacks because it directly injects the material to be applied into the conduit through a pressurized device and then sprinkles it onto the surface of the board: First, the application of materials is too concentrated, which can easily lead to product defects; second, large particles may be present during the application process, and several large particles entering the conduit at the same time can easily cause blockage of the conduit, and the discharge pressure is also high and difficult to control. Utility Model Content

[0004] The technical problem to be solved by this utility model is that the existing feeding / multi-stage depressurization and multi-stage uniform distribution feeding mechanism usually adopts the form of a conduit, which has the following defects: the feeding is too concentrated, which can easily lead to product defects; the feeding pressure is too high, which can easily lead to raw materials splashing out from the feed end of the conduit.

[0005] To solve the above-mentioned technical problems, this utility model adopts the following technical solution: a feeding mechanism capable of multi-stage pressure reduction and multi-stage uniform distribution, comprising a feeding plate, wherein the feeding plate has a receiving hole perpendicular to the feeding end face, and the feeding plate has several discharge holes perpendicular to the discharge end face, wherein a first dispersing pipe hole, a first dividing pipe hole, several second dispersing pipe holes, and several second dividing pipe holes are sequentially connected between the receiving hole and the several discharge holes inside the feeding plate. All holes are perpendicular to the feed end face, and the first distribution pipe hole and several second distribution pipe holes are parallel to the feed end face. The receiving hole is connected to a feed pipe extending out of the feeding plate, and the feed pipe is connected to a connecting pipe for connecting to an external feeding mechanism. A screening assembly is provided in the first dispersing pipe hole. The screening assembly consists of three filter screens. The three filter screens are fixed to the inner wall of the first dispersing pipe hole by a connecting ring plate. The three filter screens are evenly distributed and are all arc-shaped convex towards the feed side. The aperture of the three filter screens gradually decreases along the discharge side.

[0006] Preferably, each of the plurality of second distribution pipe holes is connected to a plurality of discharge holes.

[0007] Preferably, all of the second material distribution pipes are in the shape of a frustum, with the larger pipe opening being the inlet and the smaller pipe opening being the outlet.

[0008] Preferably, the material application plate is composed of a bottom plate and a top plate. The bottom plate and the top plate have the same shape and are each provided with a number of fastening threaded holes. The fastening threaded holes on the top plate extend through the top plate from top to bottom, and fastening screws are screwed into the fastening threaded holes.

[0009] Preferably, a circular groove is formed on the top plate at the opening of the fastening threaded hole, and the diameter of the groove is larger than the diameter of the fastening threaded hole.

[0010] Preferably, a plurality of threaded holes A are provided on both sides of the feeding plate, and a plurality of threaded holes B are provided on the feeding end face of the feeding plate.

[0011] Preferably, the receiving hole is provided with an internal thread, the wall of the feed pipe is provided with an external thread, and the feed pipe is threadedly connected to the receiving hole.

[0012] Preferably, the cross-section of the feeding plate is an isosceles trapezoid, with the shorter base side being the feeding end face and the longer base side being the discharging end face.

[0013] The present invention adopts the above technical solution and has the following technical effects compared with the prior art:

[0014] (1) The material is first dispersed by setting the first material dispersing pipe hole and the first material distribution pipe hole, and then dispersed for the second time by setting the second material dispersing pipe hole and the second material distribution pipe hole. After the dispersion, the material not only achieves multi-stage discharge pressure reduction, but also achieves uniform material distribution. The material is evenly dispersed from several discharge holes on the material feeding plate, which can avoid the material being too concentrated.

[0015] (2) By setting three filter screens in the first material distribution pipe hole, and the aperture of the three filter screens gradually decreases along the discharge side, the material to be applied can be filtered in three stages to avoid large particles entering the material distribution plate and causing blockage of the pipe hole structure. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the external integral discharge side structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the external integral feed side structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the internal cross-sectional structure of this utility model;

[0019] Figure 4 This is a schematic diagram showing the disassembled structure of the top plate, bottom plate, fastening threaded hole, and fastening screw of this utility model;

[0020] Figure 5 This is a schematic diagram of the sieve assembly structure of this utility model.

[0021] Reference numerals: 1. Top plate; 2. Fastening screw; 3. Bottom plate; 4. Discharge hole; 5. Connecting pipe; 6. Feed pipe; 7. Threaded hole A; 8. Threaded hole B; 9. Receiving hole; 10. First material distribution pipe hole; 11. First material distribution pipe hole; 12. Second material distribution pipe hole; 13. Second material distribution pipe hole; 14. Fastening threaded hole; 15. Groove; 16. Feeding plate; 17. Screening assembly; 1701. Filter screen; 1702. Connecting ring plate. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0024] Example 1:

[0025] refer to Figure 1 , Figure 2 , Figure 3 The feeding plate 16 has an isosceles trapezoidal cross-section, with the shorter base side being the feed end face and the longer base side being the discharge end face. Several threaded holes A7 are formed on both sides of the feeding plate 16, and several threaded holes B8 are formed on the feed end face. The entire feeding plate 16 is screwed and fixed to an external fastening structure through the threaded holes A7 and B8. A receiving hole 9, perpendicular to the feed end face, is located inside the feeding plate 16. A feed pipe 6 extending out of the feeding plate 16 is connected to the receiving hole 9. The feed pipe 6 is connected to a connecting pipe 5 for connecting to an external feeding mechanism. The external feeding mechanism can be a combination of a conical hopper and a pressurizing device. The pressurizing device can apply pressure to the material to be fed in the hopper. The connecting pipe 5 is connected to the outlet of the hopper by means of sleeve or snap-fit. The inside of the feeding plate 16 is provided with several discharge holes 4 perpendicular to the discharge end face. Inside the feeding plate 16, between the receiving hole 9 and several discharge holes 4, there is a first material dispersing pipe hole 10, a first material distribution pipe hole 11, about ten second material dispersing pipe holes 12, and about ten second material distribution pipe holes 13 connected in sequence. Each material distribution pipe hole is connected to six The discharge holes 4 are connected. Under external supply and pressure, the material to be applied is first dispersed through the first dispersing pipe hole 10 and the first distributing pipe hole 11, and then dispersed a second time through the second dispersing pipe hole 12 and the second distributing pipe hole 13. Finally, the material to be applied (fine particles, sand) is evenly dispersed and sprinkled from the discharge holes 4 on the application plate 16. A screening component 17 is provided inside the first dispersing pipe hole 10. The screening component 17 consists of three filter screens 1701. The three filter screens 1701 are respectively fixed to the inner wall of the first dispersing pipe hole 10 by a connecting ring plate 1702. The filter screens 1701 are evenly spaced and each has an arc-shaped surface that bulges towards the feed side. When the feeding plate 16 is placed vertically and is in the feeding process, because the filter screens 1701 bulge towards the feed side, the large particles that are filtered out will fall along the bulging arc surface of the filter screens 1701 to the edge of the filter screens 1701. This does not affect the material to be fed through the filter screens 1701. In addition, the aperture of the three filter screens 1701 gradually decreases along the discharge side, which can perform three-level layered filtration of the material to be fed, which can improve the filtration effect and ensure the fineness of the particles of the material to be fed through the screening component 17 as much as possible.

[0026] Example 2:

[0027] refer to Figure 1 , Figure 4The feeding plate 16 is composed of a base plate 3 and a top plate 1. The base plate 3 and the top plate 1 have the same shape and are each provided with several fastening threaded holes 14. The fastening threaded holes 14 on the top plate 1 extend through the top plate 1 from top to bottom. Fastening screws 2 are screwed into the fastening threaded holes 14. The base plate 3 and the top plate 1 are combined to form the feeding plate 16 by fastening screws 2. This combination can prevent material from splashing due to excessive pressure during the feeding process and also allows the feeding plate 16 to be disassembled for easy cleaning of the internal pipe structure and to prevent blockage. A circular groove 15 is provided on the top plate 1 at the opening end of the fastening threaded hole 14. The diameter of the groove 15 is larger than the diameter of the fastening threaded hole 14, so that the head of the fastening screw 2 can be embedded in the feeding plate 16. The receiving hole 9 is provided with an internal thread, and the wall of the feed pipe 6 is provided with an external thread. The feed pipe 6 is screwed into the receiving hole 9, which facilitates the disassembly and replacement of the feed pipe 6 and the receiving hole 9.

[0028] Example 3:

[0029] refer to Figure 3 Several second material distribution pipe holes 12 are all in the shape of a frustum, with the large pipe opening being the inlet and the small pipe opening being the outlet. By using the successively smaller pipe diameters, under a certain feeding pressure, the flow velocity of the material to be applied in the second material distribution pipe hole 12, the second material distribution pipe hole 13, and the outlet hole 4 can be increased, which can prevent the material to be applied from being stuck in the second-stage dispersion pipe hole structure and blocking the pipe hole.

[0030] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can refer to mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc., are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0031] Secondly, the accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0032] Finally, the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A material application mechanism capable of multi-stage pressure reduction and multi-stage uniform application, comprising an application plate (16), characterized in that: The feeding plate (16) has a receiving hole (9) perpendicular to the feeding end face inside. The feeding plate (16) also has several discharge holes (4) perpendicular to the discharge end face inside. The feeding plate (16) has a first material distribution pipe (10), a first material distribution pipe (11), several second material distribution pipes (12), and several second material distribution pipes (13) connected sequentially between the receiving hole (9) and the several discharge holes (4) inside. The first material distribution pipe (10) and several second material distribution pipes (12) are all perpendicular to the feeding end face. The first material distribution pipe (11) and several second material distribution pipes (13) are also connected sequentially. (13) All are in a parallel feeding end face state. The receiving hole (9) is connected to a feeding pipe (6) that extends out of the feeding plate (16). The feeding pipe (6) is connected to a connecting pipe (5) for connecting to an external feeding mechanism. A screening assembly (17) is provided in the first material distribution pipe hole (10). The screening assembly (17) is composed of three filter screens (1701). The three filter screens (1701) are fixed to the inner wall of the first material distribution pipe hole (10) by a connecting ring plate (1702). The three filter screens (1701) are evenly distributed and are all in an arc shape that bulges towards the feeding side. The aperture of the three filter screens (1701) gradually decreases along the discharge side.

2. The material application mechanism with multi-stage pressure reduction and multi-stage uniform application according to claim 1, characterized in that: Each of the several second distribution pipe holes (13) is connected to several discharge holes (4).

3. The material application mechanism with multi-stage pressure reduction and multi-stage uniform application according to claim 1, characterized in that: Several of the second material distribution pipe holes (12) are in the shape of a frustum, with the large pipe opening being the inlet and the small pipe opening being the outlet.

4. The material application mechanism with multi-stage pressure reduction and multi-stage uniform application according to claim 1, characterized in that: The material application plate (16) is composed of a bottom plate (3) and a top plate (1). The bottom plate (3) and the top plate (1) have the same shape and are respectively provided with several fastening threaded holes (14). The fastening threaded holes (14) on the top plate (1) penetrate the top plate (1) from top to bottom. Fastening screws (2) are screwed into the fastening threaded holes (14).

5. The material application mechanism with multi-stage pressure reduction and multi-stage uniform application according to claim 4, characterized in that: A circular groove (15) is provided on the top plate (1) at the opening end of the fastening threaded hole (14), and the diameter of the groove (15) is larger than the diameter of the fastening threaded hole (14).

6. The material application mechanism with multi-stage pressure reduction and multi-stage uniform application according to claim 1, characterized in that: Several threaded holes A (7) are opened on both sides of the feeding plate (16), and several threaded holes B (8) are opened on the feeding end face of the feeding plate (16).

7. The material application mechanism with multi-stage pressure reduction and multi-stage uniform application according to claim 1, characterized in that: The receiving hole (9) is provided with an internal thread, and the wall of the feed pipe (6) is provided with an external thread. The feed pipe (6) is threadedly connected to the receiving hole (9).

8. The material application mechanism with multi-stage pressure reduction and multi-stage uniform application according to claim 1, characterized in that: The material feeding plate (16) has an isosceles trapezoidal cross-section, with the shorter base side being the feed end face and the longer base side being the discharge end face.

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