Screening equipment for high-performance engineering plastic processing

Abstract

The utility model relates to the technical field of engineering plastic processing, and provides high-performance engineering plastic processing screening equipment which comprises an engineering plastic screening box, a support is installed in the engineering plastic screening box, a screen drum is installed on the support, the screen drum is connected with a driving mechanism, and the driving mechanism drives the engineering plastic screening box to rotate. The driving mechanism comprises a large gear installed on the outer surface of the screen drum, a small gear meshed with the large gear, a rotating shaft coaxially installed with the small gear, a driving motor connected with the rotating shaft and a cam installed on the rotating shaft, and a screening structure for secondary screening of the high-performance engineering plastic is arranged below the screen drum. According to the engineering plastic screening device, the driving mechanism is arranged, the driving mechanism drives the screening drum to rotate to conduct primary screening on engineering plastic, meanwhile, the driving mechanism drives the screening structure to shake to conduct vibration screening on the engineering plastic, the purpose of secondary screening is achieved, and the screening efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering plastics processing technical field, especially a kind of screening equipment for high-performance engineering plastics processing. BACKGROUND

[0002] With the continuous development of plastics industry, engineering plastics processing technology has been greatly improved, engineering plastics have excellent comprehensive performance, large rigidity, small creep, high mechanical strength, good heat resistance, good electrical insulation, can be used in harsh chemical, physical environment for long time, in the process of engineering plastics processing, it needs to be screened.

[0003] Therefore, the patent with the authorization announcement No.CN215030910U discloses a screening device of engineering plastics processing equipment, belongs to plastics screening technical field, including feed hopper, main body, motor box, filter screen, rotating shaft, guide plate and discharge tank, the feed hopper is located above the main body, the feed hopper is communicated with the main body inner cavity, the main body inner cavity both sides wall is equipped with buckle, the buckle is equipped with filter screen in, the filter screen bottom is installed with vibration motor, the main body outside is fixed with motor box, the motor box is equipped with motor in, the output shaft of motor passes through the main body side wall and enters the main body inner cavity and is fixed with rotating shaft, the rotating shaft both sides are equipped with a plurality of rotating paddles, the motor box bottom is fixed with mounting seat, the output shaft sleeve of motor is connected with first pulley, the first pulley is slidably connected with transmission belt, the utility model realizes the multilayer screening of engineering plastics, avoids the filter screen and discharge port blockage by vibration motor and rotating shaft, and the driven bevel gear controls the start and stop of discharging.

[0004] The existing screening equipment for high-performance engineering plastics processing can only perform single screening during use, and it is difficult to perform secondary screening, so the screening effect is poor and the work efficiency is low. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of screening equipment for high-performance engineering plastics processing to solve the defect that the screening effect of the existing screening equipment for high-performance engineering plastics processing is poor.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a screening device for processing high-performance engineering plastics, including an engineering plastic screening box, a support installed inside the engineering plastic screening box, and a screen cylinder installed on the support. The screen cylinder is connected to a drive mechanism. The drive mechanism includes a large gear installed on the outer surface of the screen cylinder, a small gear meshing with the large gear, a rotating shaft coaxially installed with the small gear, a drive motor connected to the rotating shaft, and a cam installed on the rotating shaft. A screening structure for secondary screening of high-performance engineering plastics is provided below the screen cylinder. The screening structure includes connectors installed on the inner wall of the engineering plastic screening box, a screen plate installed between the connectors, and limiting springs installed on both sides of the bottom end of the screen plate. A cleaning structure is provided at the top of the interior of the engineering plastic screening box. A first discharge port, a third discharge port, and a second discharge port are respectively installed at the bottom, one side, and the bottom of one side of the engineering plastic screening box. A feeding box is installed at the top of the other side of the engineering plastic screening box, and a dispersing mechanism is provided inside the feeding box.

[0007] Preferably, the top, one bottom, and the interior of the feeding box are respectively equipped with a feeding port, a second feeding port, and a first feeding port.

[0008] Preferably, the dispersing mechanism includes a fixed motor, a belt assembly, a spiral blade, and a stirring paddle. The stirring paddle is installed at the top inside the feeding box, and one side of the stirring paddle is connected to the output end of the fixed motor. The spiral blade is installed at the bottom inside the feeding box, and the spiral blade is connected to the stirring paddle through the belt assembly.

[0009] With the above structure, while breaking up the engineering plastics, the engineering plastics in the feeding box can be continuously fed into the engineering plastic screening box for automatic feeding.

[0010] Preferably, the sieve plate and sieve cylinder are inclined structures.

[0011] The above structure facilitates the discharge of engineering plastics.

[0012] Preferably, there are three cams, which are equally spaced on the rotating shaft.

[0013] The above structure can improve the pushing effect on the sieve plate and enhance its shaking efficiency.

[0014] Preferably, the cleaning structure includes a brush, a connecting rod, a fixing frame, and a telescopic spring. The fixing frame is symmetrically installed at the top inside the engineering plastic screening box. Each fixing frame has a telescopic spring installed inside, and each telescopic spring has a connecting rod installed at its bottom end. The bottom end of each connecting rod has a brush installed.

[0015] The above structure allows for the cleaning of the screen cylinder, preventing it from becoming clogged.

[0016] Preferably, the connecting rod and the telescopic spring form a telescopic structure.

[0017] The above structure allows the brush to come into contact with the sieve cylinder.

[0018] The present invention provides a screening device for processing high-performance engineering plastics, the advantages of which are:

[0019] While the dispersing mechanism disperses the engineering plastics, it can continuously feed the engineering plastics in the feeding box to the engineering plastic screening box for automatic feeding. The drive mechanism drives the screen cylinder to rotate, which performs the initial screening of the engineering plastics. At the same time, it drives the screening structure to shake, which performs the secondary screening of the engineering plastics. The cleaning structure can clean the screen cylinder to prevent it from clogging.

[0020] The drive mechanism drives the screen cylinder to rotate, performing initial screening of engineering plastics. At the same time, the drive mechanism causes the screening structure to shake, performing vibration screening of engineering plastics, thus achieving secondary screening and improving screening efficiency.

[0021] The set-up dispersing mechanism uses a fixed motor to rotate the stirring paddle, which agitates the engineering plastics and disperses them. At the same time, the belt assembly drives the spiral blades to rotate, which can continuously feed the dispersed engineering plastics into the engineering plastic screening box, thus achieving automatic feeding.

[0022] Through the designed cleaning structure, the telescopic spring moves the connecting rod, causing the brush to contact the screen cylinder. As the screen cylinder rotates, the brush can clean it, preventing engineering plastics from clogging the screen cylinder and improving its screening efficiency. Attached Figure Description

[0023] Figure 1 This is a front view structural diagram of the present utility model;

[0024] Figure 2 This is a frontal cross-sectional view of the present invention.

[0025] Figure 3 This is a front view structural diagram of the drive mechanism of this utility model;

[0026] Figure 4 This is a front view cross-sectional structural diagram of the disintegration mechanism of this utility model;

[0027] Figure 5 This is a partial frontal cross-sectional view of the cleaning structure of this utility model.

[0028] The following are the annotations in the figure: 1. Feeding box; 101. First feeding port; 102. Second feeding port; 103. Inlet; 2. Dispersing mechanism; 201. Fixed motor; 202. Belt assembly; 203. Spiral blade; 204. Agitator; 3. Engineering plastic screening box; 4. First outlet; 5. Second outlet; 6. Third outlet; 7. Screening structure; 701. Screen plate; 702. Limiting spring; 703. Connecting part; 8. Drive mechanism; 801. Rotating shaft; 802. Cam; 803. Pinion; 804. Drive motor; 805. Large gear; 9. Screen cylinder; 10. Support; 11. Cleaning structure; 1101. Brush; 1102. Connecting rod; 1103. Fixed frame; 1104. Telescopic spring. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Please see Figures 1-5 The present invention provides a screening device for high-performance engineering plastics processing, including an engineering plastics screening box 3.

[0031] Reference Figures 1-5 As shown, the engineering plastic screening box 3 has a support 10 installed inside, and a screen cylinder 9 is installed on the support 10. The screen cylinder 9 is connected to the drive mechanism 8. The drive mechanism 8 includes a large gear 805 installed on the outer surface of the screen cylinder 9, a small gear 803 meshing with the large gear 805, a rotating shaft 801 coaxially installed with the small gear 803, a drive motor 804 connected to the rotating shaft 801, and three cams 802 installed on the rotating shaft 801, which are equally spaced on the rotating shaft 801.

[0032] Below the sieve cylinder 9 is a screening structure 7 for secondary screening of high-performance engineering plastics. The screening structure 7 includes a connector 703 installed on the inner wall of the engineering plastic screening box 3, a sieve plate 701 installed between the connectors 703, the sieve plate 701 and the sieve cylinder 9 are inclined structures, and a limiting spring 702 installed on both sides of the bottom end of the sieve plate 701.

[0033] The bottom, one side, and the bottom of one side of the engineering plastic screening box 3 are respectively equipped with a first discharge port 4, a third discharge port 6, and a second discharge port 5. The top of the other side of the engineering plastic screening box 3 is equipped with a feeding box 1. The top, the bottom of one side, and the inside of the feeding box 1 are respectively equipped with a feeding port 103, a second feeding port 102, and a first feeding port 101.

[0034] Engineering plastics enter the screen cylinder 9 through the second feed port 102. The drive motor 804 is started, and the small gear 803 drives the large gear 805 to rotate. The large gear 805 drives the screen cylinder 9 to rotate, performing the initial screening of the engineering plastics. Large particles of engineering plastics are discharged through the third discharge port 6, while small particles of engineering plastics fall onto the screen plate 701 for secondary screening. During the rotation of the screen cylinder 9, the rotating shaft 801 drives the cam 802 to rotate, pushing the screen plate 701 to move downward. In conjunction with the limit spring 702, the screen plate 701 shakes, performing vibration screening of the engineering plastics and improving screening efficiency. The large particles of engineering plastics from the secondary screening are discharged through the second discharge port 5, while the small particles of engineering plastics are discharged through the first discharge port 4.

[0035] Reference Figure 1 , Figure 2 and Figure 4 As shown, the feeding box 1 is equipped with a dispersing mechanism 2, which is used to disperse engineering plastics. The dispersing mechanism 2 includes a fixed motor 201, a belt assembly 202, a spiral blade 203 and a stirring paddle 204. The stirring paddle 204 is installed at the top inside the feeding box 1, and one side of the stirring paddle 204 is connected to the output end of the fixed motor 201. The spiral blade 203 is installed at the bottom inside the feeding box 1, and the spiral blade 203 is connected to the stirring paddle 204 through the belt assembly 202.

[0036] Engineering plastic is added to the feed box 1 through the feed inlet 103. The fixed motor 201 is started, and the stirring paddle 204 rotates to agitate and break up the engineering plastic for subsequent screening. At the same time, the belt assembly 202 drives the spiral blade 203 to rotate, which can continuously feed the broken-up engineering plastic into the engineering plastic screening box 3 for automatic feeding and improve feeding efficiency.

[0037] Reference Figure 2 and Figure 5As shown, a cleaning structure 11 is provided at the top of the interior of the engineering plastic screening box 3. The cleaning structure 11 is used to clean the screen cylinder 9 and prevent it from clogging. The cleaning structure 11 includes a brush 1101, a connecting rod 1102, a fixing frame 1103 and a telescopic spring 1104. The fixing frames 1103 are symmetrically installed at the top of the interior of the engineering plastic screening box 3. Each fixing frame 1103 is equipped with a telescopic spring 1104, and the bottom end of each telescopic spring 1104 is equipped with a connecting rod 1102. The connecting rod 1102 and the telescopic spring 1104 form a telescopic structure. The bottom end of the connecting rod 1102 is equipped with a brush 1101.

[0038] The telescopic spring 1104 moves the connecting rod 1102, causing the brush 1101 to contact the screen cylinder 9. During the rotation of the screen cylinder 9, the brush 1101 can clean it, preventing the engineering plastic from clogging the screen cylinder 9 and improving its screening efficiency.

[0039] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A screening device for processing high-performance engineering plastics, comprising an engineering plastic screening box (3); Its features are: The engineering plastic screening box (3) is equipped with a bracket (10) inside, and a screen cylinder (9) is installed on the bracket (10). The screen cylinder (9) is connected to the drive mechanism (8). The drive mechanism (8) includes a large gear (805) installed on the outer surface of the screen cylinder (9), a small gear (803) meshing with the large gear (805), a rotating shaft (801) coaxially installed with the small gear (803), a drive motor (804) connected to the rotating shaft (801), and a cam (802) installed on the rotating shaft (801). Below the sieve cylinder (9) is a screening structure (7) for secondary screening of high-performance engineering plastics. The screening structure (7) includes a connector (703) installed on the inner wall of the engineering plastic screening box (3), a sieve plate (701) installed between the connectors (703), and a limiting spring (702) installed on both sides of the bottom end of the sieve plate (701). The top of the engineering plastic screening box (3) is provided with a cleaning structure (11). The bottom, one side and the bottom of one side of the engineering plastic screening box (3) are respectively provided with a first discharge port (4), a third discharge port (6) and a second discharge port (5). The top of the other side of the engineering plastic screening box (3) is provided with a feeding box (1). The feeding box (1) is provided with a dispersing mechanism (2).

2. The screening equipment for processing high-performance engineering plastics according to claim 1, characterized in that: The top, bottom of one side, and inside of the feeding box (1) are respectively equipped with a feeding port (103), a second feeding port (102), and a first feeding port (101).

3. The screening equipment for processing high-performance engineering plastics according to claim 1, characterized in that: The dispersing mechanism (2) includes a fixed motor (201), a belt assembly (202), a spiral blade (203), and a stirring paddle (204). The stirring paddle (204) is installed at the top inside the feeding box (1), and one side of the stirring paddle (204) is connected to the output end of the fixed motor (201). The spiral blade (203) is installed at the bottom inside the feeding box (1), and the spiral blade (203) is connected to the stirring paddle (204) through the belt assembly (202).

4. The screening equipment for processing high-performance engineering plastics according to claim 1, characterized in that: The sieve plate (701) and sieve cylinder (9) are inclined structures.

5. The screening equipment for processing high-performance engineering plastics according to claim 1, characterized in that: There are three cams (802), which are equally spaced on the rotating shaft (801).

6. The screening equipment for processing high-performance engineering plastics according to claim 1, characterized in that: The cleaning structure (11) includes a brush (1101), a connecting rod (1102), a fixing frame (1103), and a telescopic spring (1104). The fixing frame (1103) is symmetrically installed at the top inside the engineering plastic screening box (3). The fixing frame (1103) is equipped with a telescopic spring (1104) inside each fixing frame (1103), and the bottom end of each telescopic spring (1104) is equipped with a connecting rod (1102). The bottom end of the connecting rod (1102) is equipped with a brush (1101).

7. The screening equipment for processing high-performance engineering plastics according to claim 6, characterized in that: The connecting rod (1102) and the telescopic spring (1104) constitute a telescopic structure.

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