A polyester chip screening device

Abstract

A polyester chip screening device relates to the polyester chip production technical field, including: the box is equipped with feed hopper on the top, at least one discharge port is opened on both opposite side walls of the box, and the screening mechanism includes a vibrating assembly arranged in the lower part of the box, a plurality of screening grooves and a discharging groove arranged in the vertical direction in sequence and a connecting piece arranged between the vibrating assembly and the plurality of screening grooves and the discharging groove, the plurality of screening grooves and the discharging groove are arranged obliquely, the oblique directions of the two adjacent screening grooves and the oblique direction of the discharging groove and the lowermost screening groove are opposite, the low ends of the plurality of screening grooves and the discharging groove correspond to the discharge ports on the two opposite side walls of the box, the screen holes of the plurality of screening grooves gradually decrease from top to bottom, the operation is simple and convenient, the polyester chips can be screened and collected according to different specifications, under the action of the vibrating assembly, the polyester chips can be quickly screened and discharged, and the screening effect and the screening efficiency are improved.

Description

Technical Field

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

[0002] Polyester chips are a white granular polymer material made from purified terephthalic acid and ethylene glycol through a polymerization reaction. Its scientific name is polyethylene terephthalate, and it is generally processed into sheet-like granules of about 4*5*2 mm.

[0003] In the production process of polyester chips, it is inevitable that there will be chips and chip powder that do not meet the specifications. Therefore, in order to improve the product qualification rate, polyester chips need to be screened by a screening device. In the Chinese utility model patent with authorization announcement number CN220614642U, a continuous screening device for polyester chip processing is disclosed, which can separate the waste and powder attached to the polyester chips while screening them.

[0004] However, in the aforementioned patent, after the polyester chips fall onto the first or second screening plate, they move on the first or second screening plate by their own gravity and are discharged from the outlet. However, since the polyester chips are relatively light and there is friction between them and the first or second screening plate, the polyester chips are easy to accumulate on the first or second screening plate, thereby affecting the screening effect and efficiency, and affecting the normal screening of polyester chips. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a polyester chip screening device to solve the problem of poor screening effect and screening efficiency of the screening device in the existing technology.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A polyester chip screening device, comprising:

[0008] The box body has a feed hopper at the top, and at least one discharge port is provided on each of the two opposing side walls of the box body; and

[0009] The screening mechanism includes a vibrating component installed in the lower part of the housing, several screening troughs and a feeding trough arranged vertically in sequence, and a connecting component installed between the vibrating component and the screening troughs and the feeding troughs. The screening troughs and the feeding troughs are all arranged at an inclination. The inclination directions of two adjacent screening troughs and the inclination directions of the feeding trough and the lowest screening trough are opposite. The lower ends of the screening troughs and the feeding troughs are connected one-to-one and freely pass through the corresponding discharge ports on the two opposing side walls of the housing. The screen holes of the screening troughs gradually decrease from top to bottom.

[0010] Compared with the prior art, this utility model has the following advantages: In use, the vibration component is activated to drive several screening troughs and feeding troughs to vibrate through the connecting parts. Then, polyester chips are poured into the box from the feed hopper. The polyester chips will fall on the uppermost screening trough and then be screened by the vibration of several screening troughs. Since the screen holes of several screening troughs gradually decrease from top to bottom, polyester chips of different specifications can be screened out. The fine impurities and chip powder screened out will fall on the feeding trough and finally be discharged from the corresponding discharge port. The operation is simple and convenient, and polyester chips can be screened and collected according to different specifications. Moreover, under the action of the vibration component, the polyester chips can be screened and discharged quickly, which improves the screening effect and screening efficiency.

[0011] Preferably, the vibration assembly includes a horizontally arranged support plate, a vibration source fixedly installed at the bottom of the support plate, and a plurality of elastic telescopic members disposed between the support plate and the inner wall of the bottom of the box. The connecting member is disposed between the support plate and a plurality of screening troughs and feeding troughs.

[0012] Preferably, each of the elastic telescopic components includes a fixed cylinder vertically fixedly installed on the inner wall of the bottom of the box, a sliding rod coaxially sliding between the inner and outer sides of the fixed cylinder, and a spring elastically connected between the opening of the fixed cylinder and the bottom of the support plate, wherein the spring is sleeved on the sliding rod.

[0013] Preferably, the vibration source includes a vibration motor fixedly installed at the center of the bottom of the support plate.

[0014] Preferably, two parallel sliding grooves are vertically opened on the two opposing inner walls of the box body and the discharge port, and there are two connecting members that are slidably connected to the two sliding grooves on the two opposing inner walls.

[0015] Preferably, each of the connecting components includes two parallel connecting plates, which are fixedly connected to the support plate, the feeding trough, and several screening troughs. The two connecting plates are slidably connected to two corresponding sliding grooves on the inner wall of the corresponding box.

[0016] Preferably, the opening width of the fixed cylinder is smaller than the width of its body, and a limiting plate is fixedly installed on one end of the sliding rod inside the fixed cylinder, the limiting plate being slidably engaged with the inner wall of the fixed cylinder.

[0017] Preferably, a hot air blower is provided on one side of the box body, and the hot air blower is located below the high end of the feeding trough.

[0018] Preferably, the lower part of the housing has a plurality of heat dissipation holes along its circumference.

[0019] Other advantages, objectives and features of this invention will be partly apparent from the following description, and partly understood by those skilled in the art through study and practice of this invention. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of one embodiment of the present invention.

[0021] Figure 2 for Figure 1 A sectional view.

[0022] Figure 3 for Figure 2 A cross-sectional view of a medium-elastic expansion joint.

[0023] The numbers in the diagram are as follows: 1. Box body; 11. Feed hopper; 12. Discharge port; 13. Heat dissipation hole; 14. Slide groove; 2. Support plate; 21. Fixed cylinder; 22. Sliding rod; 23. Spring; 24. Limiting plate; 25. Connecting plate; 3. Vibrating motor; 4. Screening trough; 5. Discharge trough; 6. Hot air blower; 7. Support leg. Detailed Implementation

[0024] To make the technical means, creative features, achieved objectives and functions of this utility model clearer and easier to understand, the utility model will be further described below with reference to the accompanying drawings and specific embodiments:

[0025] like Figure 1-2 As shown, an embodiment of this utility model provides a polyester chip screening device, including: a box body 1, with a feeding hopper 11 at the top, and at least one discharge port 12 on each of the two opposing side walls of the box body 1; and a screening mechanism, which includes a vibration component disposed in the lower part of the box body 1, a plurality of screening troughs 4 and a feeding trough 5 arranged sequentially in the vertical direction, and a connecting member disposed between the vibration component and the plurality of screening troughs 4 and the feeding trough 5. The plurality of screening troughs 4 and the feeding trough 5 are all arranged at an inclination, and the inclination direction of two adjacent screening troughs 4 and the inclination direction of the feeding trough 5 and the lowermost screening trough 4 are opposite. The lower ends of the plurality of screening troughs 4 and the feeding trough 5 correspond to each other and freely pass through the corresponding discharge ports 12 on the two opposing side walls of the box body 1. The screen holes of the plurality of screening troughs 4 gradually decrease from top to bottom.

[0026] Preferably, a number of legs 7 are fixedly installed on the bottom of the box 1 along its circumference to provide stable support.

[0027] The vibration assembly is activated, which drives several screening troughs 4 and feeding troughs 5 to vibrate via connecting parts. Then, polyester chips are poured into the housing 1 from the feed hopper 11. The polyester chips fall onto the uppermost screening trough 4 and are then screened by the vibration of the screening troughs 4. Since the screen holes of the screening troughs 4 gradually decrease from top to bottom, polyester chips of different specifications can be screened out. The fine impurities and chip powder screened out fall onto the feeding trough 5 and are finally discharged from the corresponding discharge port 12. The operation is simple and convenient, and polyester chips can be screened and collected according to different specifications. Moreover, under the action of the vibration assembly, the polyester chips can be screened and discharged quickly, which improves the screening effect and screening efficiency.

[0028] like Figure 2-3 As shown, according to another embodiment of the present invention, the polyester chip screening device further optimizes the vibration component, which includes a horizontally arranged support plate 2, a vibration source fixedly installed at the bottom of the support plate 2, and a plurality of elastic telescopic members disposed between the support plate 2 and the bottom inner wall of the box 1. The connecting member is disposed between the support plate 2 and a plurality of screening troughs 4 and a feeding trough 5.

[0029] Each of the aforementioned elastic telescopic components includes a fixed cylinder 21 vertically fixedly installed on the inner wall of the bottom of the housing 1, a sliding rod 22 coaxially sliding between the inner and outer sides of the fixed cylinder 21, and a spring 23 elastically connected between the opening of the fixed cylinder 21 and the bottom of the support plate 2. The spring 23 is sleeved on the sliding rod 22. Preferably, the width of the opening of the fixed cylinder 21 is smaller than the width of its body. A limiting plate 24 is fixedly installed on one end of the sliding rod 22 inside the fixed cylinder 21. The limiting plate 24 is slidably engaged with the inner wall of the fixed cylinder 21. This ensures that the sliding rod 22 does not detach from the fixed cylinder 21 during the relative sliding process between the sliding rod 22 and the fixed cylinder 21.

[0030] The vibration source includes a vibration motor 3 fixedly installed at the center of the bottom of the support plate 2; the vibration motor 3 is powered by an external power source, and the specific structure of the vibration motor 3, the principle of how to achieve vibration, and the control method of the vibration motor 3 are all existing technologies, which will not be described in detail here.

[0031] like Figure 2As shown, according to another embodiment of the present invention, the polyester chip screening device further optimizes its connecting parts. Two parallel sliding grooves 14 are vertically arranged on the two opposing inner walls of the housing 1 and the discharge port 12. Two connecting parts are provided, each corresponding to one of the two sliding grooves 14 on the opposing inner walls. Each connecting part includes two parallel connecting plates 25. The two connecting plates 25 are fixedly connected to the support plate 2, the discharge trough 5, and several screening troughs 4. The two connecting plates 25 are slidably connected to the corresponding two sliding grooves 14 on the inner wall of the housing 1. During the vibration of the vibrating motor 3, the support plate 2 moves vertically, thereby causing several screening troughs 4 and the discharge trough 5 to vibrate synchronously through the action of each connecting plate 25.

[0032] like Figure 1-2 As shown, according to another embodiment of the present invention, the polyester chip screening device preferably includes a hot air blower 6 on one side of the housing 1, the hot air blower 6 being located below the high end of the feeding trough 5; the hot air blower 6 is used to supply heat to the housing 1 to assist in drying the polyester chips during the screening process, thereby preventing the polyester chips from sticking together; and the hot air blower 6 is powered by an external power source, and the hot air blower 6 is an industrial hot air blower 6 well known to those skilled in the art, the specific structure, the principle of producing hot air and the control method are all existing technologies, and will not be described in detail here.

[0033] like Figure 1-2 As shown, according to another embodiment of the present invention, the polyester chip screening device preferably has a plurality of heat dissipation holes 13 opened in the lower part of the box 1 along its circumference; this facilitates heat dissipation of the vibration motor 3 to ensure the normal use of the vibration motor 3.

[0034] The working principle of this utility model is as follows: When this utility model is used, the vibration motor 3 is started to generate vibration force, which drives each sliding rod 22 to slide relative to the corresponding fixed cylinder 21. At the same time, under the elastic force of the spring 23, the support plate 2 vibrates. Through each connecting plate 25, several screening troughs 4 and feeding troughs 5 vibrate synchronously. Then, the polyester chips are poured from the feed hopper 11 into the box 1 and fall onto the uppermost screening trough 4. Then, the polyester chips of different specifications are screened out through several screening troughs 4. The fine impurities and chip powder screened out will fall onto the feeding trough 5 and finally be discharged from the corresponding discharge port 12.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A polyester chip screening device characterized by, include: A housing (1) having a feed hopper (11) at its top, and at least one discharge port (12) on each of the two opposing side walls of the housing (1); and The screening mechanism includes a vibration component installed in the lower part of the box (1), a number of screening troughs (4) and a feeding trough (5) arranged in sequence along the vertical direction, and a connecting component installed between the vibration component and the number of screening troughs (4) and the feeding trough (5). The number of screening troughs (4) and the feeding trough (5) are all arranged at an inclination. The inclination directions of two adjacent screening troughs (4) and the inclination directions of the feeding trough (5) and the lowest screening trough (4) are opposite. The lower ends of the number of screening troughs (4) and the feeding trough (5) are connected to the corresponding discharge ports (12) on the two opposing side walls of the box (1). The screen holes of the number of screening troughs (4) gradually decrease from top to bottom.

2. A polyester chip screening device according to claim 1, characterized in that The vibration assembly includes a horizontally arranged support plate (2), a vibration source fixedly installed at the bottom of the support plate (2), and several elastic telescopic components disposed between the support plate (2) and the bottom inner wall of the box (1). The connecting component is disposed between the support plate (2) and several screening troughs (4) and feeding troughs (5).

3. A polyester chip screening device according to claim 2, characterized in that Each of the elastic telescopic components includes a fixed cylinder (21) vertically fixedly installed on the inner wall of the bottom of the box (1), a sliding rod (22) coaxially sliding between the inner and outer sides of the fixed cylinder (21), and a spring (23) elastically connected between the opening of the fixed cylinder (21) and the bottom of the support plate (2), wherein the spring (23) is sleeved on the sliding rod (22).

4. A polyester chip screening device according to claim 2, characterized in that The vibration source includes a vibration motor (3) that is fixedly installed at the center of the bottom of the support plate (2).

5. A polyester chip screening device according to claim 2, characterized in that The box (1) and the discharge port (12) are each provided with two parallel sliding grooves (14) arranged vertically on their two adjacent inner walls. There are two connecting pieces that are slidably connected to the two sliding grooves (14) on the two adjacent inner walls.

6. A polyester chip screening device according to claim 5, characterized in that Each of the connecting components includes two parallel connecting plates (25). The two connecting plates (25) are fixedly connected to the support plate (2), the feeding trough (5) and several screening troughs (4). The two connecting plates (25) are slidably connected to the two sliding grooves (14) on the inner wall of the corresponding box (1).

7. A polyester chip screening device according to claim 3, wherein The opening width of the fixed cylinder (21) is smaller than the width of its body. A limiting plate (24) is fixedly installed on one end of the sliding rod (22) inside the fixed cylinder (21). The limiting plate (24) is slidably engaged with the inner wall of the fixed cylinder (21).

8. A polyester chip screening device according to claim 1, characterized in that A hot air blower (6) is provided on one side of the housing (1), and the hot air blower (6) is located below the high end of the feeding trough (5).

9. A polyester chip screening device according to claim 1, characterized in that The lower part of the box (1) has several heat dissipation holes (13) along its circumference.

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