A polyester chip dust removal device

Abstract

The utility model relates to the polyester chip production equipment field, concretely relates to a polyester chip dust collector, box, the dust removal cavity is possessed inside the box, the box has the feed port and the discharge gate with dust removal cavity intercommunication, the material shifting plate can rotate and install in the dust removal cavity of box, is used for the polyester chip in dust removal cavity is moved to the turning over, one side of the box is equipped with the air inlet, the other side is equipped with the dust absorption pipe and dust removal cavity intercommunication, the utility model discloses through the material shifting plate reciprocating rotation between left, right extreme point, fully turns over the polyester chip in the containing space, makes the dust attached on the surface of slice completely separate, cooperates the airflow synergism of air inlet and dust absorption pipe, fast adsorption dust that separates, effectively avoids the slice purity decline caused by dust residue, solves the quality defect problem in subsequent processing.

Description

Technical Field

[0001] This utility model relates to the field of polyester chip production equipment, specifically to a polyester chip dust removal device. Background Technology

[0002] In the downstream pelletizing system of polyester chip production, a large amount of fine dust is generated after the high-temperature molten polyester is cut by the pelletizer. This dust mainly consists of chip fragments, tiny particles that fall off the surface, and polyester powder that condenses during the cooling process. Due to the sticky nature of polyester, it is very easy to adsorb and adhere to the surface of the polyester chips.

[0003] These dust-laden chips, once transported through the conveying system to subsequent drying, spinning, or film-making processes, not only cause a decrease in the purity of polyester chips but also trigger a series of quality problems in subsequent processing. For example, during spinning, broken filaments, hard ends, and fuzzy fibers may occur, while film-grade chips may develop defects such as pinholes and crystal points. In severe cases, this can lead to product downgrading or even scrapping.

[0004] Therefore, there is an urgent need to propose a dust removal device for polyester chips to solve the above problems. Utility Model Content

[0005] In view of this, the purpose of this utility model is to propose a dust removal device for polyester chips, so as to solve the technical problem in the existing polyester chip production that dust easily adheres to the surface of the chips, resulting in a decrease in purity, quality defects in subsequent processing, and product downgrading and scrapping.

[0006] To achieve the above objectives, this utility model provides a dust removal device for polyester chips, comprising: The box has a dust removal cavity inside, and the box has an inlet and an outlet that communicate with the dust removal cavity; The material-turning plate is rotatably installed inside the dust removal cavity of the box and is used to turn the polyester chips inside the dust removal cavity. The box has an air inlet on one side and a dust suction pipe on the other side that connects to the dust removal cavity.

[0007] Preferably, the bottom of the housing has an inverted V-shaped notch, and the overall structure is three-quarters circular, with the dust removal cavity inside corresponding to the above structure; The feed inlet of the box is located at its top, and a feed cover plate is hinged to the feed inlet. The discharge outlet is located on one side of the box and near the inverted V-shaped notch, and a discharge cover plate is hinged to the discharge outlet.

[0008] Preferably, the material feeding plate is plate-shaped and is located in the dust removal cavity of the box body. It has rubber sheets at both ends and a rotating shaft in the middle that is rotatably connected to the center of the box body.

[0009] Preferably, the feeding plate has two rotation poles, one on the left and one on the right, located on both sides of the inverted V-shaped notch. When the feeding plate is at one of the rotation poles, its inclined surface corresponds to the discharge port.

[0010] Preferably, one end of the rotating shaft extends to the outside of the housing, and a first gear is fixed at the end; A first rack is slidably provided on the outside of the housing, the first rack meshes with a first gear, and a first cylinder is fixed on the outside of the housing. The output end of the first cylinder is connected to the first rack and is used to drive the reciprocating rotation of the feeding plate through the first rack and the first rack.

[0011] Preferably, a second gear is fixed at the hinge shaft of the discharge cover, a second rack is slidably provided on the outside of the housing, the first rack meshes with the second gear, and a second cylinder is also fixed on the outside of the housing. The output end of the second cylinder meshes with the second rack and is used to drive the opening and closing of the discharge cover through the second rack and the second gear.

[0012] Preferably, the upper surface of the feeding plate and the inner wall of the dust removal cavity form an accommodating space for polyester chips. When the feed plate is at any rotational extreme point, the feed inlet of the box is connected to the accommodating space.

[0013] Preferably, a filter plate is provided at the air inlet of the housing.

[0014] Preferably, one end of the suction pipe is connected to the dust removal cavity, and the other end is connected to the vortex air pump. A dust filter assembly is provided between the suction pipe and the vortex air pump.

[0015] The beneficial effects of this utility model are: 1. This utility model uses a material-pulling plate that rotates back and forth between the left and right poles to fully agitate the polyester chips in the accommodating space, so that the dust attached to the surface of the chips can be completely removed; combined with the airflow of the air inlet and the dust suction pipe, the removed dust is quickly adsorbed, effectively avoiding the decrease in chip purity caused by dust residue and solving the quality defect problem in subsequent processing.

[0016] 2. The box body adopts a three-quarter circular structure and an inverted V-shaped bottom design, which not only provides ample rotation space for the feeding plate, but also guides the slices to gather towards the discharge port, improving feeding and discharging efficiency; the rubber sheets at both ends of the feeding plate reduce friction with the inner wall of the box, extending the service life of the equipment.

[0017] 3. Through the drive of cylinder and rack and pinion, the automatic flipping of the feeding plate and the automatic opening and closing of the discharge cover are realized, reducing manual intervention and adapting to the continuous operation needs of large-scale production. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only for this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ; Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ; Figure 3 This is a schematic diagram of the internal structure of the box with the material feeding plate at the right pole of this utility model. Figure 4 This is a schematic diagram of the internal structure of the box with the material feeding plate at the left pole of this utility model.

[0020] The numbers on the map are: 1-Box body; 11-Infeed cover plate; 12-Outfeed cover plate; 121-Second gear; 2-Pulley plate; 21-Rubber sheet; 22-Rotating shaft; 221-First gear; 3-Dust suction pipe; 31-Vortex air pump; 32-Dust filter assembly; 4-First cylinder; 41-First rack; 5-Second cylinder; 51-Second rack; 6-Filter plate. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments.

[0022] It should be noted that, unless otherwise defined, the technical or scientific terms used in this utility model should have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0023] This utility model proposes a dust removal device for polyester chips, such as... Figures 1 to 4As shown, the components include the housing 1 and the material feeding plate 2, as detailed below: The housing 1 has a dust removal cavity inside, and its overall structure is three-quarters circular with an inverted V-shaped notch at the bottom. The top of the housing 1 has a feed inlet that communicates with the dust removal cavity. A feed cover plate 11 is hinged to the feed inlet, and a sealing strip can be added to the edge of the cover plate to achieve a relative seal of the dust removal cavity when closed. A discharge outlet is opened on one side of the housing 1 near the inverted V-shaped notch, and a discharge cover plate 12 is hinged to the discharge outlet. A filter plate 6 is installed at the air inlet on one side of the housing 1. The filter plate 6 at the air inlet is a stainless steel filter screen with a pore size of 50-100μm. Impurities in the intake air are filtered through the filter plate 6. A dust suction pipe 3 is installed on the other side and communicates with the dust removal cavity.

[0024] The feeding plate 2 is plate-shaped and located inside the dust removal cavity. It has rubber sheets 21 at both ends, which can reduce friction with the inner wall of the box 1. The gap between the feeding plate 2 and the inner wall of the box 1 is controlled at 1-2mm, which can ensure smooth rotation and avoid dust residue. The middle part is rotatably connected to the axis of the box 1 through the rotating shaft 22. The feeding plate 2 has two rotation poles, a left pole and a right pole, which are located on both sides of the inverted V-shaped notch. That is, when the feeding plate 2 is at the right pole, its inclined surface corresponds to the discharge port. The upper surface of the feeding plate 2 forms a receiving space for polyester chips between itself and the inner wall of the dust removal cavity. When the feeding plate 2 is at either rotation pole, the feed port is connected to the receiving space.

[0025] One end of the rotating shaft 22 extends to the outside of the housing 1, and a first gear 221 is fixed at the end. A first rack 41 is slidably provided outside the housing 1, and the first rack 41 meshes with the first gear 221. A first cylinder 4 is fixed outside the housing 1, and the output end of the first cylinder 4 is connected to the first rack 41 to drive the material feeding plate 2 to reciprocate. A second gear 121 is fixed at the hinge shaft of the discharge cover plate 12. A second rack 51 is slidably provided outside the housing 1, and the second rack 51 meshes with the second gear 121. A second cylinder 5 is also fixed outside the housing 1, and the output end of the second cylinder 5 is connected to the second rack 51 to drive the discharge cover plate 12 to open and close.

[0026] One end of the suction pipe 3 is connected to the dust removal cavity, and the other end is connected to the dust filter assembly 32. The dust filter assembly 32 is a connecting pipe, and its two ends are connected to the vortex air pump 31 and the suction pipe 3, respectively. The connecting pipe is equipped with a filter element inside to trap dust and avoid secondary pollution. The suction pipe 3 introduces the dust-laden airflow into the connecting pipe. After being filtered by the internal filter element, the clean gas is discharged by the vortex air pump 31, and the dust is trapped by the filter element. The connecting pipe of the dust filter assembly 32 is made of corrosion-resistant plastic or metal, and the internal filter element is a pleated polyester fiber filter element with a filtration accuracy of 1-5μm, which can effectively trap fine dust. The two ends of the filter element are detachably connected to the connecting pipe through flanges for easy replacement.

[0027] Work process: Feeding stage: When the feeding plate 2 is at the left or right pole, the feeding cover 11 is opened. The polyester chips to be dusted are fed into the feeding port by the conveying equipment and fall into the accommodating space formed by the upper surface of the feeding plate 2 and the inner wall of the dust removal cavity. The feeding amount does not exceed 80% of the accommodating space. After feeding is completed, the feeding cover 11 is closed.

[0028] Dust removal stage: The piston rod of the first cylinder 4 reciprocates, driving the first rack 41 to move back and forth along the guide rail outside the housing 1, thereby driving the first gear 221 and the rotating shaft 22 to rotate, causing the feeding plate 2 to rotate back and forth between the left and right poles at a frequency of 10-15 times / minute, continuously turning the polyester chips in the accommodating space; at the same time, the vortex air pump 31 starts to generate negative pressure, and the outside air enters the dust removal cavity after being filtered by the air inlet filter plate 6, forming a stable airflow. The dust detached from the surface of the chips is sucked into the dust suction pipe 3 with the airflow. After the dust-laden airflow enters the connecting pipe of the dust filter assembly 32, the dust is intercepted by the filter element, and the clean airflow is discharged by the vortex air pump 31.

[0029] Discharge stage: After the dust removal operation lasts for 5-10 minutes, the operation can be adjusted according to the dust content. The first cylinder 4 drives the material guide plate 2 to rotate to the right extreme point. At this time, the inclined surface of the material guide plate 2 is aligned with the discharge port. The second cylinder 5 starts, the piston rod extends and pushes the second rack 51 to move, which drives the hinge shaft of the second gear 121 and the discharge cover plate 12 to rotate. The discharge cover plate 12 opens, and the polyester chips after dust removal are discharged from the discharge port to the subsequent conveying equipment under their own gravity and the guidance of the inclined surface of the material guide plate 2. After the discharge is completed, the piston rod of the second cylinder 5 retracts, which drives the discharge cover plate 12 to close. The material guide plate 2 returns to the initial position, and the device enters the next dust removal cycle.

[0030] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples; within the framework of the present invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in the details for the sake of brevity.

[0031] This utility model is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A dust removal device for polyester chips, characterized in that, include: The box has a dust removal cavity inside, and the box has an inlet and an outlet that communicate with the dust removal cavity; The material-turning plate is rotatably installed inside the dust removal cavity of the box and is used to turn the polyester chips inside the dust removal cavity. The box has an air inlet on one side and a dust suction pipe on the other side that connects to the dust removal cavity.

2. The polyester chip dust removal device according to claim 1, characterized in that, The bottom of the box has an inverted V-shaped notch, and the whole is three-quarters circular in structure, with the dust removal cavity inside corresponding to the above structure. The feed inlet of the box is located at its top, and a feed cover plate is hinged to the feed inlet. The discharge outlet is located on one side of the box and near the inverted V-shaped notch, and a discharge cover plate is hinged to the discharge outlet.

3. The polyester chip dust removal device according to claim 2, characterized in that, The material feeding plate is plate-shaped and is located in the dust removal cavity of the box. It has rubber sheets at both ends and a rotating shaft in the middle that is rotatably connected to the center of the box.

4. The polyester chip dust removal device according to claim 2, characterized in that, The feeding plate has two rotation poles, located on the left and right sides of the inverted V-shaped notch. When the feeding plate is at one of the rotation poles, its inclined surface corresponds to the discharge port.

5. A polyester chip dust removal device according to claim 3, characterized in that, One end of the rotating shaft extends to the outside of the housing, and a first gear is fixed at the end; A first rack is slidably provided on the outside of the housing, the first rack meshes with a first gear, and a first cylinder is fixed on the outside of the housing. The output end of the first cylinder is connected to the first rack and is used to drive the reciprocating rotation of the feeding plate through the first rack and the first rack.

6. A polyester chip dust removal device according to claim 2, characterized in that, A second gear is fixed at the hinge shaft of the discharge cover plate, and a second rack is slidably provided on the outside of the box body. The first rack meshes with the second gear. A second cylinder is also fixed on the outside of the box body. The output end of the second cylinder meshes with the second rack and is used to drive the opening and closing of the discharge cover plate through the second rack and the second gear.

7. A polyester chip dust removal device according to claim 4, characterized in that, The space between the upper surface of the feeding plate and the inner wall of the dust removal cavity is a space for accommodating polyester chips. When the feed plate is at any rotational extreme point, the feed inlet of the box is connected to the accommodating space.

8. A polyester chip dust removal device according to claim 1, characterized in that, A filter plate is installed at the air inlet of the box.

9. A polyester chip dust removal device according to claim 1, characterized in that, One end of the suction pipe is connected to the dust removal cavity, and the other end is connected to the vortex air pump. A dust filter assembly is provided between the suction pipe and the vortex air pump.

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