Plastic extruder feeding device capable of saving raw materials

Abstract

The utility model discloses a plastic extruder feeding device capable of saving raw materials, which relates to the technical field of plastic extruders and comprises a feeding box, a feeding port is fixedly connected to the upper surface of the feeding box, and an air purification plate is fixedly connected to the inner wall, far away from the feeding port, of the feeding box. The upper surface of the feeding box is fixedly connected with a connecting pipe, and the upper surface, close to the feeding port, of the feeding box is fixedly connected with a first motor. According to the quantitative blanking device, the blanking pipe, the guide plate and the blanking mechanism are matched, the effect of quantitative blanking is achieved, the blanking amount of each time is controlled by the blanking mechanism, raw material waste caused by excessive blanking amount is avoided, the blanking speed is slowed down by the guide plate in the blanking pipe, the phenomenon of material breakage in the blanking process is avoided, and the blanking efficiency is improved. And the extruder can continuously perform extrusion work, and meanwhile, excessive feeding can be avoided, and raw materials are saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic extruder, concretely is a plastic extruder feeding device of saving raw materials. BACKGROUND

[0002] It is known that the plastic extruder can be matched with various plastic forming auxiliary machines such as pipe, film, bar, monofilament, flat wire, packing belt, extrusion net, board, profile, granulation, cable covering and the like, to form various plastic extrusion forming production lines, and produce various plastic products, wherein the plastic extruder is used for producing cable, and it is difficult to control the amount of feeding when feeding the extruder for producing cable, so that the raw materials added into the extruder are excessive, resulting in waste of raw materials, and the raw materials are not dried before feeding, so that the moisture in the raw materials is not completely removed, affecting the subsequent extrusion quality.

[0003] For example, the patent with the authorized announcement number CN221622954U discloses a feeding device of plastic extruder, which can stir the materials during use and prevent blockage during use, and has higher use efficiency, but the raw materials are not dried during feeding, so that the moisture in the raw materials is more, which makes the raw materials easily stick together, affects the discharging speed, and affects the subsequent extrusion quality, and the amount of feeding cannot be controlled, reducing the practicability of the device.

[0004] Therefore, the present application provides a plastic extruder feeding device that saves raw materials to eliminate the drawbacks of the prior art. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a plastic extruder feeding device that saves raw materials to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A material-saving feeding device for a plastic extruder includes a feeding box. An inlet is fixedly connected to the upper surface of the feeding box. An air purification plate is fixedly connected to the inner wall of the feeding box away from the inlet. A connecting pipe is fixedly connected to the upper surface of the feeding box. A motor is fixedly connected to the upper surface of the feeding box near the inlet. A rotating rod is fixedly connected to the output end of the motor through the outer wall of the feeding box. A spiral blade is fixedly connected to the outer wall of the rotating rod. A scraper is fixedly connected to the outer wall of the rotating rod, and the outer wall of the scraper is slidably connected to the inner cavity of the feeding box. A fixed frame is fixedly connected to the bottom end of the connecting pipe. A driving device is provided on the outer wall of the fixed frame. A discharge pipe is fixedly connected to the bottom end of the fixed frame. A guide plate is fixedly connected to the inner wall of the discharge pipe. A drying mechanism is provided on the outer wall of the feeding box, and a discharge mechanism is provided on the inner wall of the fixed frame.

[0008] Based on the above technical solutions, this utility model also provides the following optional technical solutions:

[0009] Preferably, the shape of the scraper is adapted to the shape of the inner cavity of the feeding box.

[0010] Preferably, the portion of the helical blade located within the inner cavity of the connecting tube is adapted to the size of the inner cavity.

[0011] Preferably, the drying mechanism includes a mounting box, the outer wall of which is fixedly connected to the outer wall of the feeding box, a fan is fixedly connected to the inner cavity of the mounting box away from the feeding box, heating plates are evenly distributed in the inner cavity of the mounting box near the feeding box, an air outlet pipe is fixedly connected to the outer wall of the mounting box near the feeding box, and the air outlet pipe passes through the outer wall of the feeding box and communicates with its inner cavity, an annular pipe is fixedly connected to the outer wall of the air outlet pipe, the upper surface of the annular pipe is fixedly connected to the inner cavity of the feeding box, and air outlets are evenly distributed on the lower surface of the annular pipe.

[0012] Preferably, the feeding mechanism includes a movable block, the outer wall of which is rotatably connected to the inner wall of the fixed frame, the outer wall of which is fixedly connected to the drive head of the driving device, a second motor fixedly connected to the inner wall of the movable block, an active bevel gear fixedly connected to the output end of the second motor, a driven bevel gear meshing with the outer wall of the active bevel gear, a bidirectional threaded rod fixedly connected to the axis of the driven bevel gear, the outer wall of the bidirectional threaded rod rotatably connected to the inner cavity of the movable block, a slider threadedly connected to the outer wall of the bidirectional threaded rod, a movable rod rotatably connected to the outer wall of the slider, a sliding rod rotatably connected to the top of the movable rod, a sliding connection between the outer wall of the sliding rod and the inner wall of the movable block, and a weighing scale fixedly connected to the end of the sliding rod, the outer wall of the weighing scale sliding connection between the inner wall of the movable block.

[0013] Preferably, the inner wall of the connecting pipe is provided with a valve, and the valve is electrically connected to the motor and the weighing scale.

[0014] Preferably, the outer wall of the movable block is provided with a circular groove corresponding to the position of the connecting pipe and the feeding pipe.

[0015] Preferably, the fixed frame and the movable block are made of transparent material, and the outer wall of the fixed frame is provided with a scale line aligned with the position of the circular groove of the connecting pipe.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1、The utility model discloses a motor one, a rotating rod, a spiral blade and a drying mechanism cooperate, reach the effect that plastic raw materials are dried, and the rotating rod is driven by motor one and drives the spiral blade to stir raw materials, and raw materials are heated and dried by the drying mechanism at the same time, can quickly dry the moisture in the raw materials, avoid the influence quality of subsequent extrusion.

[0018] 2、The utility model discloses a feeding pipe, a guide plate and a feeding mechanism cooperate, reach the effect that quantitative feeding, and the amount of each time feeding is controlled by the feeding mechanism, avoid the amount of feeding too much, cause raw materials waste, simultaneously by the guide plate in the feeding pipe slow down the speed of feeding, make the phenomenon that the material does not appear in the feeding process, make the extruder can continuously carry out the extrusion work, also can avoid feeding too much, save raw materials. DRAWINGS

[0019] Figure 1 It is the overall structure schematic view of the utility model.

[0020] Figure 2 It is the sectional structure schematic view of the utility model.

[0021] Figure 3 It is the structure schematic view of the drying mechanism of the utility model.

[0022] Figure 4 It is the structure schematic view of the feeding mechanism of the utility model.

[0023] Drawing mark annotation: 1, feeding box;11, feed inlet;12, air purification plate;13, connecting pipe;14, motor one;15, rotating rod;16, scraper;17, fixed frame;18, feeding pipe;19, guide plate;2, drying mechanism;21, installation box;22, fan;23, electric heating plate;24, air outlet pipe;25, annular pipe;26, air outlet;3, feeding mechanism;31, movable block;32, motor two;33, driving bevel gear;34, driven bevel gear;35, two-way threaded rod;36, sliding block;37, movable rod;38, sliding rod;39, metering scale. PREFERRED EMBODIMENT

[0024] In order to make the utility model's purpose, technical scheme and advantage more clearly, the following will be further detailed with the drawings and examples.

[0025] In one embodiment, as shown in Figures 1-4 The utility model relates to a raw material saving plastic extruder feeding device, including feeding tank 1, the upper surface of feeding tank 1 is fixedly connected with feed inlet 11, the inner wall of feeding tank 1 away from feed inlet 11 is fixedly connected with air purification plate 12, the upper surface of feeding tank 1 is fixedly connected with connecting pipe 13, the upper surface of feeding tank 1 close to feed inlet 11 is fixedly connected with motor one 14, the output of motor one 14 is fixedly connected with the outer wall of feeding tank 1 through air purification plate 12, the outer wall of air purification plate 12 is fixedly connected with spiral blade, the outer wall of air purification plate 12 is fixedly connected with scraper 16, the outer wall of scraper 16 is slidably connected with the inner chamber of air purification plate 12, the bottom of connecting pipe 13 is fixedly connected with fixed frame 17, the outer wall of fixed frame 17 is provided with drive arrangement, the bottom of fixed frame 17 is fixedly connected with discharge pipe 18, the inner wall of discharge pipe 18 is fixedly connected with guide plate 19, the outer wall of feeding tank 1 is provided with drying mechanism 2, the inner wall of fixed frame 17 is provided with discharging mechanism 3.

[0026] In the embodiment, through drying mechanism 2 cooperation motor one 14, air purification plate 12 and spiral blade, can carry out the rapid drying of raw material in feeding tank 1, and through scraper 16 to the raw material of the inner wall adhesion in feeding tank 1 is cleaned, avoids the influence subsequent extrusion work, subsequently through discharging mechanism 3 can control the amount of each time discharging, avoids the phenomenon of raw material waste caused by too much discharging amount.

[0027] In an alternative embodiment, as shown in Figures 1-4 The outer shape of scraper 16 is adapted to the shape of the inner chamber of feeding tank 1, so that the inner chamber of feeding tank 1 can be cleaned more conveniently.

[0028] In an alternative embodiment, as shown in Figures 1-4 The part of spiral blade located in the inner chamber of connecting pipe 13 is adapted to the size of the inner chamber of connecting pipe 13, so that the raw material on the inner wall of connecting pipe 13 can be discharged by spiral blade, and the amount of discharge can be controlled.

[0029] In an alternative embodiment, as shown in Figures 1-4As shown, the drying mechanism 2 comprises a mounting box 21, the outer wall of the mounting box 21 is fixedly connected with the outer wall of the feeding box 1, the mounting box 21 is fixedly connected with a fan 22 away from the inner cavity of the feeding box 1, the mounting box 21 is uniformly distributed with an electric heating plate 23 close to the inner cavity of the feeding box 1, the mounting box 21 is fixedly connected with an air outlet pipe 24 close to the outer wall of the feeding box 1, and the air outlet pipe 24 penetrates through the outer wall of the feeding box 1 and communicates with the inner cavity thereof, the outer wall of the air outlet pipe 24 is fixedly connected with an annular pipe 25, the upper surface of the annular pipe 25 is fixedly connected with the inner cavity of the feeding box 1, and the lower surface of the annular pipe 25 is uniformly distributed with air outlets 26, by starting the fan 22, the heat generated by the electric heating plate 23 is transported into the annular pipe 25 by the air outlet pipe 24, and then the heat is transported into the inner cavity of the feeding box 1 by the air outlets 26 at the bottom of the annular pipe 25, cooperating with the spiral blade, the raw materials in the feeding box 1 can be quickly dried, the moisture in the raw materials is removed, and the drying effect is achieved.

[0030] In an alternative embodiment, as Figures 1-4As shown, the discharging mechanism 3 comprises a movable block 31, the outer wall of the movable block 31 is rotationally connected with the inner wall of the fixed frame 17, the outer wall of the movable block 31 is fixedly connected with the driving head of the driving device, the inner wall of the movable block 31 is fixedly connected with a motor two 32, the output end of the motor two 32 is fixedly connected with a driving bevel gear 33, the outer wall of the driving bevel gear 33 is meshed with a driven bevel gear 34, the shaft center of the driven bevel gear 34 is fixedly connected with a bidirectional threaded rod 35, the outer wall of the bidirectional threaded rod 35 is rotationally connected with the inner cavity of the movable block 31, the outer wall of the bidirectional threaded rod 35 is threadedly connected with a sliding block 36, the outer wall of the sliding block 36 is rotationally connected with a movable rod 37, the top of the movable rod 37 is rotationally connected with a sliding rod 38, the outer wall of the sliding rod 38 is slidably connected with the inner wall of the movable block 31, the end of the sliding rod 38 is fixedly connected with a metering scale 39, the outer wall of the metering scale 39 is slidably connected with the inner wall of the movable block 31, the amount of each feeding is planned according to the amount used this time, then the motor two 32 is started to drive the driving bevel gear 33 and the driven bevel gear 34 to mesh, so that the bidirectional threaded rod 35 rotates, the sliding block 36 moves on the outer wall of the bidirectional threaded rod 35, drives the movable rod 37 to rotate upward, so that the movable rod 37 drives the sliding rod 38 to move upward synchronously, the sliding rod 38 drives the metering scale 39 to move synchronously, according to the scale value of the outer wall of the fixed frame 17, the moving distance of the metering scale 39 in the circular groove can be determined, when the distance is appropriate, the motor two 32 is closed, then the valve of the connecting pipe 13 is opened, then the raw materials are conveyed into the circular groove by the spiral blade, and fall on the metering scale 39, when the weight on the metering scale 39 reaches the preset threshold value, the valve of the connecting pipe 13 is closed, and the driving device drives the movable block 31 to rotate, so that the circular groove below the connecting pipe 13 moves to the discharging pipe 18, and the circular groove at the discharging pipe 18 moves to the connecting pipe 13, at this time, the raw materials in the circular groove enter the discharging pipe 18, and the circular groove below the connecting pipe 13 starts to feed, and the material descending speed is slowed down by the guide plate 19, so as to avoid the emptying of the next feeding, so that the amount of each feeding is fixed.

[0031] In an optional embodiment, as shown in Figures 1-4 the inner wall of the connecting pipe 13 is provided with a valve, and the valve is electrically connected between the motor two 32 and the metering scale 39, the weight is sensed by the metering scale 39, when the weight on the metering scale 39 reaches the preset threshold value, the valve and the motor two 32 can be controlled to be opened and closed.

[0032] In an optional embodiment, as shown in Figures 1-4 the outer wall of the movable block 31 is provided with a circular groove corresponding to the positions of the connecting pipe 13 and the discharging pipe 18, so that the feeding operation can be facilitated, and the material spilling can be avoided.

[0033] In an optional embodiment, as shown in Figures 1-4As shown, the fixed frame 17 and the movable block 31 are made of transparent material, the outer wall of the fixed frame 17 is provided with a scale line, the scale line is aligned with the position of the circular groove of the connecting pipe 13, and the position of the metering scale 39 can be observed through the scale value of the outer wall of the fixed frame 17 to determine the amount of material.

[0034] The above embodiment discloses a plastic extruder feeding device which saves raw materials. By starting the motor 14, the rotating rod 15 and the spiral blade stir the raw materials in the feeding box 1, and at the same time, the fan 22 is started. The heat generated by the electric heating plate 23 is transported to the annular pipe 25 through the air outlet pipe 24, and then the heat is transported to the inner cavity of the feeding box 1 through the air outlet 26 at the bottom of the annular pipe 25. The spiral blade can quickly dry the raw materials in the feeding box 1, and the moisture in the raw materials is removed, which has the effect of drying. The hot air generated by drying is discharged through the air purification plate 12, and the air purification plate 12 purifies the gas to ensure the safety of the discharged gas. At the same time, the scraper 16 cleans the inner wall of the feeding box 1 to avoid the adhesion of plastic particles on the inner wall of the feeding box 1. Then, according to the amount used this time, the amount of each feeding is planned. Then, the motor 32 is started to drive the driving bevel gear 33 and the driven bevel gear 34 to mesh, so that the bidirectional threaded rod 35 rotates, the sliding block 36 moves on the outer wall of the bidirectional threaded rod 35, the movable rod 37 rotates upward, the sliding rod 38 moves upward synchronously, and the metering scale 39 moves synchronously. According to the scale value of the outer wall of the fixed frame 17, the moving distance of the metering scale 39 in the circular groove can be determined. When the distance is appropriate, the motor 32 is turned off. Then, the valve of the connecting pipe 13 is opened (the valve is not shown in the figure). Then, the raw materials are transported into the circular groove by the spiral blade and fall on the metering scale 39. When the weight on the metering scale 39 reaches the preset threshold value, the valve of the connecting pipe 13 is closed, and the driving device drives the movable block 31 to rotate, so that the circular groove below the connecting pipe 13 moves to the position of the discharge pipe 18, and the circular groove at the position of the discharge pipe 18 moves to the position of the connecting pipe 13. At this time, the raw materials in the circular groove enter the discharge pipe 18, and the circular groove below the connecting pipe 13 starts to feed. The guide plate 19 slows down the speed of the material descending to avoid the occurrence of air gap during the next feeding, so that the amount of each feeding is fixed, the consumption of materials can be better calculated, and the phenomenon of wasting raw materials is avoided. In summary, the drying mechanism 2 cooperates with the motor 14, the rotating rod 15 and the spiral blade to quickly dry the raw materials in the feeding box 1, avoid affecting the subsequent extrusion work, and then the discharging mechanism 3 can control the amount of each discharging to avoid the phenomenon of wasting raw materials caused by excessive discharging.

[0035] The above merely provides the specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A material-saving feeding device for a plastic extruder, comprising a feeding box (1), wherein a feed inlet (11) is fixedly connected to the upper surface of the feeding box (1), an air purification plate (12) is fixedly connected to the inner wall of the feeding box (1) away from the feed inlet (11), and a connecting pipe (13) is fixedly connected to the upper surface of the feeding box (1), characterized in that, A motor (14) is fixedly connected to the upper surface of the feeding box (1) near the feed inlet (11). The output end of the motor (14) is fixedly connected to a rotating rod (15) through the outer wall of the feeding box (1). A spiral blade is fixedly connected to the outer wall of the rotating rod (15). A scraper (16) is fixedly connected to the outer wall of the rotating rod (15). The outer wall of the scraper (16) is slidably connected to the inner cavity of the feeding box (1). A fixed frame (17) is fixedly connected to the bottom end of the connecting pipe (13). A driving device is provided on the outer wall of the fixed frame (17). A discharge pipe (18) is fixedly connected to the bottom end of the fixed frame (17). A guide plate (19) is fixedly connected to the inner wall of the discharge pipe (18). A drying mechanism (2) is provided on the outer wall of the feeding box (1). A discharge mechanism (3) is provided on the inner wall of the fixed frame (17).

2. The material-saving plastic extruder feeding device according to claim 1, characterized in that, The shape of the scraper (16) is adapted to the shape of the inner cavity of the feeding box (1).

3. The material-saving plastic extruder feeding device according to claim 1, characterized in that, The portion of the spiral blade located within the inner cavity of the connecting tube (13) is adapted to the size of the inner cavity.

4. The material-saving plastic extruder feeding device according to claim 1, characterized in that, The drying mechanism (2) includes a mounting box (21), the outer wall of which is fixedly connected to the outer wall of the feeding box (1), a fan (22) is fixedly connected to the inner cavity of the mounting box (21) away from the feeding box (1), heating plates (23) are evenly distributed in the inner cavity of the mounting box (21) near the feeding box (1), an air outlet pipe (24) is fixedly connected to the outer wall of the mounting box (21) near the feeding box (1), and the air outlet pipe (24) penetrates the outer wall of the feeding box (1) and communicates with its inner cavity, an annular pipe (25) is fixedly connected to the outer wall of the air outlet pipe (24), the upper surface of the annular pipe (25) is fixedly connected to the inner cavity of the feeding box (1), and air outlets (26) are evenly distributed on the lower surface of the annular pipe (25).

5. A material-saving plastic extruder feeding device according to claim 1, characterized in that, The feeding mechanism (3) includes a movable block (31), the outer wall of which is rotatably connected to the inner wall of the fixed frame (17), the outer wall of which is fixedly connected to the drive head of the driving device, a second motor (32) fixedly connected to the inner wall of the movable block (31), a driving bevel gear (33) fixedly connected to the output end of the second motor (32), a driven bevel gear (34) meshing with the outer wall of the driving bevel gear (33), and a bidirectional threaded rod (35) fixedly connected to the axis of the driven bevel gear (34). The outer wall of the bidirectional threaded rod (35) is rotatably connected to the inner cavity of the movable block (31). The outer wall of the bidirectional threaded rod (35) is threadedly connected to a slider (36). The outer wall of the slider (36) is rotatably connected to a movable rod (37). The top of the movable rod (37) is rotatably connected to a sliding rod (38). The outer wall of the sliding rod (38) is slidably connected to the inner wall of the movable block (31). The end of the sliding rod (38) is fixedly connected to a weighing scale (39). The outer wall of the weighing scale (39) is slidably connected to the inner wall of the movable block (31).

6. A material-saving plastic extruder feeding device according to claim 5, characterized in that, The inner wall of the connecting pipe (13) is provided with a valve, and the valve is electrically connected to the motor (32) and the metering scale (39).

7. A material-saving plastic extruder feeding device according to claim 5, characterized in that, The outer wall of the movable block (31) is provided with a circular groove that matches the position of the connecting pipe (13) and the feeding pipe (18).

8. A material-saving plastic extruder feeding device according to claim 5, characterized in that, The fixed frame (17) and the movable block (31) are made of transparent material. The outer wall of the fixed frame (17) is provided with scale lines, which are aligned with the circular groove of the connecting pipe (13).

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