Dust removal device for rotational molding raw material production

Abstract

The utility model discloses a dust removal device for rotational molding raw material production. The dust removal device is applied to a smashing machine body and comprises a first dust removal cover and a second dust removal cover, a hollowed-out part is arranged on the outer side face of a discharging pipe of the smashing machine body, and the first dust removal cover fixedly covers the hollowed-out part; the second dust removal cover is movably arranged above the material receiving basket, the first dust removal cover is provided with a dust collection main machine, the first dust removal cover, the hollow part and a first connecting pipe of the dust collection main machine are communicated, and the first connecting pipe is fixedly provided with a second connecting pipe used for being communicated with the second dust removal cover; the first dust collection cover can be directly aligned with the falling path of the rotational molding raw material powder, so that dust generated in the falling process of the rotational molding raw material powder can be captured, diffusion of the dust in air is reduced through the direct dust collection mode, and the dust collection efficiency is improved. And in the discharging process, the second dust collection cover can ensure comprehensive dust collection of rotational molding raw material powder in the material receiving basket, and the dust collection coverage rate is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of rotational molding technology, in particular to a dust removal device for the production of rotational molding raw materials. Background Art

[0002] The basic principle of rotational molding is to place powdered plastic raw materials into a mold, which is then continuously rotated along two vertical axes and heated. Under the action of gravity and thermal energy, the plastic raw materials in the mold are gradually and evenly coated, melted and adhered to the entire surface of the mold cavity to form the desired shape. After that, the mold enters the cooling stage and is cooled by forced ventilation or water spraying to solidify the product. Finally, the mold is opened and the finished product is taken out.

[0003] During the raw material preparation process, plastic raw materials that are not originally in powder form (such as blocks, etc.) need to be gradually broken down into fine particles by a grinder. The grinder uses high-speed rotating blades or grinding media to shear, impact, and grind the raw materials. This process produces a large number of tiny particles and debris. As the raw materials are gradually broken down, these tiny particles and debris will be separated from the main body of the raw materials due to the action of mechanical forces, forming dust. The air flow in the grinder will also carry the generated dust particles into the air, forming visible dust.

[0004] However, existing crushers do not have the function of dust removal. Dust not only pollutes the production environment, but also threatens the health of workers, such as causing respiratory diseases. At the same time, impurities and metal particles in the dust may also have an adverse effect on the quality of products in the rotational molding process. Utility Model Content

[0005] In view of the problems existing in the above-mentioned prior art, the present invention provides a dust removal device for the production of rotational molding raw materials, which can effectively solve the problems existing in the above-mentioned prior art.

[0006] The technical solution of the utility model is:

[0007] According to one aspect of the utility model, it is applied to a crushing machine body, comprising: a first dust hood and a second dust hood, the outer side surface of the discharge pipe of the crushing machine body is provided with a hollow portion, the first dust hood fixed cover is provided in the hollow portion; the second dust hood can be movably provided above the receiving basket, the first dust hood is equipped with a dust collection main body, the first dust hood, the hollow portion and the first connecting pipe of the dust collection main body are connected, and the first connecting pipe is fixed with a second connecting pipe for connecting to the second dust hood.

[0008] Furthermore, a filter screen is included, and the filter screen for filtering the rotational molding raw material powder is detachably fixed on one end of the first dust removal cover close to the discharge pipe.

[0009] Furthermore, the filter is fixed to the first dust cover by Velcro; the filter is fixed with a furry surface on one edge facing the first dust cover, and the first dust cover is correspondingly fixed with a hook surface, and the furry surface and the hook surface form Velcro.

[0010] Furthermore, the pore size of the filter is between 30 and 110 meshes.

[0011] Furthermore, the second connecting pipe is a universal suction arm.

[0012] By adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art:

[0013] First, the first dust collection hood can be directly aligned with the falling path of the rotomolding raw material powder, thereby capturing the dust generated during the process. This direct dust collection method reduces dust dispersion in the air and improves dust removal efficiency. During the discharge process, the rotomolding raw material powder may generate a large amount of dust due to vibration or tipping. The second dust collection hood can flexibly adjust the dust collection angle and range, making it more adaptable to the shapes and sizes of the receiving baskets, ensuring comprehensive dust collection of the rotomolding raw material powder in the receiving baskets. This improves dust collection coverage and reduces dust residue.

[0014] Secondly, the main function of the filter is to prevent the roto-molding raw material powder from being directly sucked into the first dust removal hood, thereby ensuring that the roto-molding raw material powder can smoothly enter the subsequent process.

[0015] Third, the filter is a consumable part and may accumulate dust or become clogged after long-term use. The detachable design allows users to easily remove the filter for cleaning or replacement without replacing the entire first dust cover, which greatly simplifies the maintenance process; the Velcro makes the installation of the filter very simple and quick. Users only need to fit the fur surface of the filter to the hook surface of the first dust cover to easily fix it without using additional tools or fasteners such as screws. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the explosion structure of the first dust removal cover and the filter screen in the present utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the filter screen and the fleece surface in the present invention;

[0020] Figure 4 A schematic diagram of the three-dimensional structure of the dust removal device for the crushing machine body;

[0021] In the figure: first dust cover -1, fixing plate -11, second dust cover -2, second connecting pipe -21, first connecting pipe -3, dust collector -4, crusher body -5, discharge pipe -51, hollow part -511, receiving basket -6, filter screen 7, rough surface -8, hook surface -9. DETAILED DESCRIPTION

[0022] The present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be noted that the following examples are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. Similarly, the following examples are merely partial embodiments of the present invention and are not intended to be exhaustive. All other embodiments derived by persons of ordinary skill in the art without inventive effort are intended to fall within the scope of protection of the present invention.

[0023] like Figures 1 to 4 As shown, this solution provides a dust removal device for the production of rotational molding raw materials.

[0024] See Figure 1 and Figure 4The dust removal device is applied to a pulverizing machine body 5 and includes: a first dust hood 1 and a second dust hood 2. The outer side surface of the discharge pipe 51 of the pulverizing machine body 5 is provided with a hollow portion 511, and the first dust hood 1 is fixed to the hollow portion 511; a fixing plate 11 is provided on the edge of the first dust hood 1 extending outward, and the fixing plate 11 is bolted to the discharge pipe 51 of the pulverizing machine body 5. After the first dust hood 1 is fixedly installed to the discharge pipe 51 via the fixing plate 11, the first dust hood 1 and the outer peripheral surface of the hollow portion 511 form a closed space. The second dust hood 2 is movably provided above the receiving basket 6. The first dust hood 1 is equipped with a dust collecting main unit 4. The dust collecting main unit 4 is driven by a motor to rotate a fan, thereby generating negative pressure, thereby sucking in and storing dust and harmful gases. The working principle of the dust collecting main unit 4 is the existing technology and its principle will not be described in detail here. The first dust hood 1, the hollow portion 511 and the first connecting pipe 3 of the dust collection main unit 4 are connected, and the first connecting pipe 3 is fixed with a second connecting pipe 21 for connecting to the second dust hood 2. The second connecting pipe 21 is a universal suction arm, and the second dust hood 2 moves above the receiving basket 6 by swinging the universal suction arm. The universal suction arm is a prior art and its principle will not be described in detail here. The first dust hood 1 can be directly aligned with the falling path of the roto-molding raw material powder, so it can capture the dust generated during the falling process of the roto-molding raw material powder. This direct dust collection method reduces the diffusion of dust in the air and improves the dust removal efficiency. During the discharge process, the roto-molding raw material powder may generate a large amount of dust due to vibration or dumping. The second dust hood 2 can flexibly adjust the dust collection angle and range through the universal dust collection arm. This design enables the second dust hood 2 to better adapt to receiving baskets 6 of different shapes and sizes, ensuring comprehensive dust collection of the roto-molding raw material powder in the receiving basket 6. The dust collection coverage rate is improved and the dust residue is reduced.

[0025] See Figure 2 and Figure 3, also includes a filter screen 7. The first dust cover 1 is detachably fixed with a filter screen 7 at one end near the discharge pipe 51 for filtering the rotational molding raw material powder. The main function of the filter screen 7 is to prevent the rotational molding raw material powder from being directly sucked into the first dust cover 1, thereby ensuring that the rotational molding raw material powder can smoothly enter the subsequent process flow. The pore size of the filter screen 7 is between 30 and 110 meshes. Of course, the pore size of the filter screen 7 can be adjusted according to the particle size of the rotational molding raw material powder, and the pore size of the filter screen 7 is less than the particle size of the rotational molding raw material powder. The filter screen 7 is fixed to the first dust cover 1 by Velcro; the edge of the filter screen 7 facing the first dust cover 1 is fixed with a furry surface 8, and the first dust cover 1 is correspondingly fixed with a hook surface 9, and the furry surface 8 and the hook surface 9 form Velcro. As a wearing part, the filter screen 7 may accumulate dust or become clogged after long-term use. The detachable design allows users to easily remove the filter screen 7 for cleaning or replacement without replacing the entire first dust cover 1, thereby greatly simplifying the maintenance process. The Velcro makes the installation of the filter 7 very simple and quick. The user only needs to fit the fleece surface 8 of the filter 7 onto the hook surface 9 of the first dust cover 1 to easily fix it without using additional tools or fasteners such as screws.

[0026] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features thereof can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A dust removal device for the production of rotational molding raw materials, applied to a crushing machine body (5), characterized in that: include: A first dust hood (1) and a second dust hood (2), the outer side surface of the discharge pipe (51) of the pulverizer body (5) is provided with a hollow portion (511), the first dust hood (1) is fixedly provided on the hollow portion (511); the second dust hood (2) is movably provided above the receiving basket (6), the first dust hood (1) is equipped with a dust collecting main unit (4), the first dust hood (1), the hollow portion (511) and the first connecting pipe (3) of the dust collecting main unit (4) are connected, and the first connecting pipe (3) is fixedly provided with a second connecting pipe (21) for communicating with the second dust hood (2).

2. A dust removal device for rotomolding raw material production according to claim 1, characterized in that: It also includes a filter screen (7), and the filter screen (7) for filtering the rotational molding raw material powder is detachably fixed on one end of the first dust removal cover (1) close to the discharge pipe (51).

3. A dust removal device for rotomolding raw material production according to claim 2, characterized in that: The filter screen (7) is fixed to the first dust removal cover (1) via a Velcro; a furry surface (8) is fixed to one edge of the filter screen (7) facing the first dust removal cover (1), and the first dust removal cover (1) is correspondingly fixed with a hook surface (9), and the furry surface (8) and the hook surface (9) form a Velcro.

4. A dust removal device for rotomolding raw material production according to claim 2, characterized in that: The pore size of the filter (7) is between 30 and 110 meshes.

5. A dust removal device for rotomolding raw material production according to claim 1, characterized in that: The second connecting pipe (21) is a universal suction arm.

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