Automatic material feeding device for plastic processing

Abstract

The utility model belongs to the plastic processing technical field, concretely relates to a kind of automatic material feeding device for plastic processing, including feeding cylinder, spiral blade is equipped in the feeding cylinder, the spiral blade is driven by motor, the feeding cylinder both ends are equipped with discharge gate and feed inlet, the feed inlet is equipped with the screening device for screening plastic particles, the screening device includes shell, the shell upper end is equipped with feed hopper.The automatic material feeding device for plastic processing, shell inside is equipped with screen, when the rotating shaft rotates, the transmission of transmission assembly makes screen reciprocate in fixed plate, significantly improve the screening efficiency of screen, and screen is obliquely arranged, can make large size plastic particles automatically discharge, ensure that the plastic particles entering feed inlet are all materials meeting size requirement, effectively improve the purity of material entering subsequent processing link, provide protection for product quality.

Description

Technical Field

[0001] This utility model relates to the field of plastic processing technology, specifically to an automatic material feeding device for plastic processing. Background Technology

[0002] Plastic granule feeding devices are specialized equipment used in the plastics processing industry to automatically, continuously, and stably transport plastic granules from the storage area to processing equipment such as injection molding machines, extruders, and blow molding machines, aiming to improve production efficiency and reduce labor intensity.

[0003] Currently, most existing plastic granule production relies on extrusion processes. In mass production, it is difficult to ensure that all granules are of similar size. The uneven size of the granules will lead to uneven mixing during subsequent processing, affecting the molding quality and mechanical properties of plastic products, increasing production debugging time and raw material loss. However, traditional feeding structures lack the function of real-time separation of defective products and cannot remove unqualified granules during the feeding stage. In view of this, we propose an automatic material feeding device for plastic processing. Utility Model Content

[0004] The main objective of this invention is to provide an automatic material feeding device for plastic processing, which can solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model proposes an automatic material feeding device for plastic processing, comprising a feeding cylinder, wherein a spiral blade is provided inside the feeding cylinder, the spiral blade is driven by a motor, and the feeding cylinder has a discharge port and a feed port at both ends. A screening device for screening plastic particles is provided at the feed port, the screening device comprising:

[0006] The housing has a feed hopper at its upper end and a discharge hopper at its lower end. The feed hopper is penetrated by a rotating shaft and rotatably connected to the rotating shaft. There are two sets of rotating shafts with different lengths. Gears are connected to the ends of both sets of rotating shafts, and the two sets of gears mesh with each other.

[0007] A screen, the outer wall of which is connected to a crossbar, the crossbar to which is connected to a U-shaped rod, the outer wall of which is connected to a pull rod, the pull rod penetrating the shell and slidably connected to the shell.

[0008] Preferably, a drive wheel is connected to one of the longer ends of the rotating shaft, the drive wheel is driven by a drive belt, the drive belt is driven by a driven wheel, and a sleeve is connected to the outer wall of the driven wheel.

[0009] Preferably, the outer wall of the sleeve has an annular groove, the outer wall of the sleeve has a movable sleeve, the inner wall of the movable sleeve is connected to a protrusion, the protrusion is slidably connected to the annular groove, the outer wall of the movable sleeve is connected to a connecting block, and the connecting block is connected to a pull rod.

[0010] Preferably, the outer wall of the housing is connected to a shaft, the shaft passes through the driven wheel and is rotatably connected to the driven wheel, and the inner wall of the housing is connected to an inclined plate.

[0011] Preferably, a fixing plate is connected to the inner wall of the housing, the fixing plate has a sliding groove, a roller is provided in the sliding groove, and the roller is rotatably connected to the outer wall of the screen.

[0012] Preferably, the feed hopper has two discharge troughs, one set of discharge troughs is located above the inclined plate, and the other set of discharge troughs is equipped with a crushing roller.

[0013] Preferably, the crushing rollers are provided in two sets, and the two sets of crushing rollers are passed through the rotating shaft and fixedly connected to the rotating shaft.

[0014] This utility model provides an automatic material feeding device for plastic processing. It has the following beneficial effects:

[0015] (1) The automatic material feeding device for plastic processing has a screen inside its shell. When the rotating shaft rotates, the screen moves back and forth in the fixed plate through the transmission component, which significantly improves the screening efficiency of the screen. The screen is also inclined so that large plastic particles can be automatically discharged, ensuring that the plastic particles entering the feed port are all materials that meet the size requirements. This effectively improves the purity of the materials entering the subsequent processing stage and provides a guarantee for product quality.

[0016] (2) The automatic feeding device for plastic processing is equipped with a crushing roller. When the rotating shaft rotates, the crushing roller rotates synchronously. Large-sized plastic particles discharged from the screen can be poured back into the crushing roller for crushing, realizing the recycling of unqualified materials, avoiding waste caused by direct discarding due to unqualified material size, reducing production costs, ensuring full utilization of materials, and improving the resource utilization rate of the entire processing process. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of 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 some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the internal structure of the screening device of this utility model;

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the screening device of this utility model. Figure 1 ;

[0021] Figure 4 This is a schematic diagram of the three-dimensional structure of the screening device of this utility model. Figure 2 ;

[0022] Figure 5 This is a partial three-dimensional structural diagram of the present utility model;

[0023] Figure 6 This is a three-dimensional structural diagram of the fixing plate of this utility model.

[0024] Explanation of icon numbers:

[0025] 1. Feeding cylinder; 2. Spiral blades; 3. Discharge port; 4. Feed inlet; 5. Screening device; 51. Shell; 511. Inclined plate; 512. Shaft; 52. Feed hopper; 53. Fixed plate; 531. Slide groove; 54. Screen; 541. Roller; 542. Crossbar; 543. U-shaped rod; 544. Tie rod; 55. Discharge hopper; 56. Rotating shaft; 561. Gear; 562. Drive wheel; 563. Drive belt; 564. Driven wheel; 565. Sleeve; 566. Annular groove; 567. Moving sleeve; 568. Protrusion; 569. Connecting block.

[0026] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0027] 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.

[0028] Please see Figures 1-6 This utility model proposes an automatic material feeding device for plastic processing, including a feeding cylinder 1, a spiral blade 2 inside the feeding cylinder 1, the spiral blade 2 being driven by a motor, a discharge port 3 and a feed port 4 at both ends of the feeding cylinder 1, and a screening device 5 for screening plastic particles on the feed port 4.

[0029] In this embodiment of the present invention, in order to screen plastic particles, the screening device 5 specifically includes a housing 51, a shaft 512 connected to the outer wall of the housing 51, the shaft 512 passing through and rotatably connected to the driven wheel 564, an inclined plate 511 connected to the inner wall of the housing 51, a fixing plate 53 connected to the inner wall of the housing 51, a groove 531 provided in the fixing plate 53, a roller 541 provided in the groove 531, the roller 541 rotatably connected to the outer wall of the screen 54 to reduce the friction generated when the screen 54 moves, a feed hopper 52 provided at the upper end of the housing 51, and a discharge hopper 55 provided at the lower end of the housing 51, the feed hopper 52 being penetrated by a rotating shaft 56 and connected to the rotating shaft. The 56 is rotatably connected, and there are two sets of rotating shafts 56, with different lengths. The end of the shorter set of rotating shafts 56 is fixedly connected to the output end of the drive motor. Both sets of rotating shafts 56 are connected to gears 561. Through the design of gears 561, the two sets of rotating shafts 56 can be linked together, and at the same time, the two sets of crushing rollers can rotate in opposite directions, so that the crushing rollers can crush large plastic particles. The two sets of gears 561 mesh with each other. The outer wall of the screen 54 is connected to a crossbar 542, the crossbar 542 is connected to a U-shaped rod 543, the outer wall of the U-shaped rod 543 is connected to a pull rod 544, and the pull rod 544 passes through the housing 51 and is slidably connected to the housing 51.

[0030] Furthermore, a drive wheel 562 is connected to one of the longer ends of the rotating shaft 56. The drive wheel 562 is connected to a drive belt 563. The drive belt 563 is connected to a driven wheel 564. A sleeve 565 is connected to the outer wall of the driven wheel 564. An annular groove 566 is formed on the outer wall of the sleeve 565. A movable sleeve 567 is provided on the outer wall of the sleeve 565. A protrusion 568 is connected to the inner wall of the movable sleeve 567. The protrusion 568 is slidably connected to the annular groove 566. A connecting block 569 is connected to the outer wall of the movable sleeve 567. The connecting block 569 is connected to the pull rod 544.

[0031] Furthermore, the feed hopper 52 is provided with two discharge troughs. One set of discharge troughs is located above the inclined plate 511, and the other set of discharge troughs is provided with crushing rollers. There are two sets of crushing rollers, and the two sets of crushing rollers are penetrated by the rotating shaft 56 and fixedly connected to the rotating shaft 56.

[0032] In this invention, during use, the motor is first started. Driven by the motor, the spiral blade 2 and the rotating shaft 56 rotate. Then, plastic granules are poured into the feed hopper 52. The plastic granules pass through the inclined plate 511 and enter the screen 54. When the rotating shaft 56 rotates, the driven wheel 564 drives the sleeve 565 to rotate through the transmission wheel 562 and the transmission belt 563. When the sleeve 565 rotates, the annular groove 566 on the outer wall of the sleeve 565 applies a force to the protrusion 568, causing the moving sleeve 567 to reciprocate on the outer wall of the sleeve 565. When the connecting block 569, which is fixedly connected to the sleeve 565, moves the pull rod 544 to reciprocate, the screen 54 moves back and forth in the fixed plate 53 through the transmission of the U-shaped rod 543 and the cross rod 542, thereby improving the screening efficiency of the screen 54. It should be noted that the screen 54 is inclined and the lower end of the screen 54 is provided with a discharge plate. At this time, the large plastic particles on the screen 54 will be discharged through the discharge plate. Finally, the screened plastic particles will enter the feed inlet 4 through the discharge hopper 55, and then be fed by the spiral blade 2.

[0033] When the rotating shaft 56 rotates, the crushing roller, which is fixedly connected to the rotating shaft 56, rotates synchronously. Then, the operator can pour the discharged large-sized plastic particles back onto the crushing roller, so that the crushing roller can crush the large-sized plastic particles. It should be noted that both sets of drive motors are connected to external mains power.

[0034] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. An automatic material feeding device for plastic processing, comprising a feeding cylinder (1), wherein a spiral blade (2) is provided inside the feeding cylinder (1), the spiral blade (2) is driven by a motor, and a discharge port (3) and a feed port (4) are provided at both ends of the feeding cylinder (1), wherein a screening device (5) for screening plastic particles is provided on the feed port (4), characterized in that: The screening device (5) includes: The housing (51) has a feed hopper (52) at its upper end and a discharge hopper (55) at its lower end. The feed hopper (52) is penetrated by a rotating shaft (56) and is rotatably connected to the rotating shaft (56). There are two sets of rotating shafts (56), and the lengths of the two sets of rotating shafts (56) are different. The ends of the two sets of rotating shafts (56) are connected to gears (561), and the two sets of gears (561) mesh with each other. A screen (54) is connected to a crossbar (542) on its outer wall. A U-shaped rod (543) is connected to the crossbar (542). A pull rod (544) is connected to the outer wall of the U-shaped rod (543). The pull rod (544) passes through the housing (51) and is slidably connected to the housing (51).

2. The automatic material feeding device for plastic processing according to claim 1, characterized in that: The longer end of the rotating shaft (56) is connected to a drive wheel (562), the drive wheel (562) is connected to a drive belt (563), the drive belt (563) is connected to a driven wheel (564), and the outer wall of the driven wheel (564) is connected to a sleeve (565).

3. The automatic material feeding device for plastic processing according to claim 2, characterized in that: The outer wall of the sleeve (565) is provided with an annular groove (566), and the outer wall of the sleeve (565) is provided with a movable sleeve (567). The inner wall of the movable sleeve (567) is connected with a protrusion (568), the protrusion (568) is slidably connected to the annular groove (566), and the outer wall of the movable sleeve (567) is connected with a connecting block (569), the connecting block (569) is connected to the pull rod (544).

4. The automatic material feeding device for plastic processing according to claim 1, characterized in that: The outer wall of the housing (51) is connected to a shaft (512), which passes through the driven wheel (564) and is rotatably connected to the driven wheel (564). The inner wall of the housing (51) is connected to an inclined plate (511).

5. The automatic material feeding device for plastic processing according to claim 1, characterized in that: The inner wall of the housing (51) is connected to a fixing plate (53), the fixing plate (53) is provided with a sliding groove (531), a roller (541) is provided in the sliding groove (531), and the roller (541) is rotatably connected to the outer wall of the screen (54).

6. The automatic material feeding device for plastic processing according to claim 1, characterized in that: The feed hopper (52) has two discharge troughs. One set of discharge troughs is located above the inclined plate (511), and the other set of discharge troughs is equipped with a crushing roller.

7. The automatic material feeding device for plastic processing according to claim 6, characterized in that: The crushing rollers are provided in two sets, and the two sets of crushing rollers are passed through and fixedly connected to the rotating shaft (56).

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