Bubble cap plastic waste crushing and recycling equipment

Abstract

The invention discloses blister plastic waste crushing and recycling equipment, and belongs to the technical field of crushing and sorting, the blister plastic waste crushing and recycling equipment comprises a crushing bin which extends in the axial direction, and two discharge ports are formed in the inner wall of the side, facing the gravity direction, of the crushing bin; the two material returning bins are mounted on the two axial sides of the crushing bin correspondingly; rotating cavities are formed in the axial outer walls of the two sides of the crushing bin, and filter screens are rotationally mounted in the rotating cavities; a material returning part is rotationally arranged in the material returning bin, and a plurality of partition plates are distributed on the radial inner wall of the material returning part at intervals; side covers are mounted on the axial outer walls of the two sides of the crushing bin; and a material returning cavity is formed between the side cover and the material returning piece. The crushed materials are screened through the filter screen, qualified materials penetrate through the filter screen, and intercepted substandard materials move to a material returning cavity between the side cover and the material returning part along with the filter screen. The partition plate of the material returning part pushes the materials to flow along the material returning arc plate in the moving cavity and finally converge into the groove. And the material in the groove enters the crushing bin again through the material guide pipe for secondary crushing.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of crushing and sorting, and particularly relates to a blister plastic waste crushing and recycling device. BACKGROUND

[0002] A blister machine is an automatic packaging equipment that encapsulates products between a transparent plastic blister and a base plate (such as aluminum foil, cardboard) through a thermoforming, sealing and blanking process. Its core function is to provide moisture-proof, dust-proof and breakage-proof protective packaging for medicines, food, electronic components and the like, while enhancing product appeal through visual display. The working principle is that the plastic film (such as PVC, PET) is heated to 120-160℃ through far infrared radiation or conduction to reach a softened state. Vacuum suction makes the softened film adhere to the mold cavity, which is suitable for small and regular shapes. Compressed air blows the film into the cavity, which is suitable for large sizes or complex shapes. The mechanical punch is pre-pressed and air is introduced to optimize the uniformity of the blister wall thickness. A blister machine generates a large amount of plastic waste during operation. Recycling plastic waste can save costs and contribute to social green and circular development.

[0003] Chinese patent application No. CN120382580A discloses a raw material crushing device for plastic production. The conveying and cutting mechanism includes a casing obliquely arranged on the rack, and a discharge hopper is arranged at the upper end of the casing and communicates with the frame. The lower side of the casing is communicated with a feeding hopper, and a conveyor is arranged inside the casing. The conveying belt of the conveyor is provided with a partition plate at intervals. By integrating the conveying and cutting mechanism, the blowing mechanism and the weighing mechanism, the "cutting first and then crushing" processing method is adopted to pre-cut the plastic products into small sections, effectively reducing the interference of large materials on the crushing process, and separating and removing the liquid residues inside the plastic; then, through the left and right alternating drying method, the plastic sections are fully dried; finally, the weighing mechanism is used to realize the quantitative feeding of the plastic products, avoiding the problems of feeding port blockage and material accumulation caused by excessive one-time feeding or material caking, and further improving the crushing efficiency.

[0004] However, the above-mentioned raw material crushing device cannot re-screen and sort the crushed raw materials, and cannot re-crush the raw materials of non-conforming specifications. SUMMARY

[0005] The present application aims to solve the problems of the existing raw material crushing device, which cannot re-screen and sort the crushed raw materials, and cannot re-crush the raw materials of non-conforming specifications, and provides a blister plastic waste crushing and recycling device.

[0006] In order to achieve the above object, the technical scheme of the present application is: a bubble cap plastic waste crushing and recycling equipment, comprising a crushing bin, two discharge ports are formed on the inner wall extending along the axial direction and facing the side of the gravity direction; two return material bins, the two return material bins are respectively installed on the axial two sides of the crushing bin;

[0007] Wherein, the axial outer wall on both sides of the crushing bin is provided with a rotating cavity, and a filter screen is rotatably installed in the rotating cavity; a return material piece is rotatably arranged in the return material bin, and a plurality of partitions are distributed on the radial inner wall of the return material piece; a side cover is installed on the axial outer wall on both sides of the crushing bin; on the corresponding same side, the side cover is located between the crushing bin and the return material bin; the return material cavity is formed between the side cover and the return material piece.

[0008] As a further scheme of the present application: a plurality of connecting frames are arranged on the inner wall of the filter screen facing the side of the side cover, and a first mounting shaft hole coaxial with the filter screen is arranged at the intersection of the plurality of connecting frames; a gap is arranged between the axial inner wall of the side cover and the axial outer wall of the crushing bin, and the gap provides a rotating space for the plurality of connecting frames.

[0009] As a further scheme of the present application: a through cavity is formed on the side cover and communicates with the return material piece, and a return material arc plate is fixedly arranged on the outer wall of the side cover facing the return material piece, the return material arc plate is coaxial with the radial inner wall of the return material piece, and the movement cavity is formed between the radial inner wall of the return material piece and the radial outer wall of the return material arc plate.

[0010] As a further scheme of the present application: two groups of installation group frames are arranged in the crushing bin, and the distance between the two groups of installation group frames gradually increases along the gravity direction; each group of the installation group frame comprises two groups of corresponding installation plates, and two crushing rollers are rotatably arranged in the same group of the installation plate.

[0011] As a further scheme of the present application: the crushing roller comprises a crushing shaft, and the crushing roller is rotatably arranged on the installation plate through the crushing shaft; the crushing shaft is provided with intermeshing gears.

[0012] As a further scheme of the present application: the crushing bin is provided with a feeding port on the side away from the gravity direction, and a distribution flow guide plate is arranged in the crushing bin and located at the bottom of the feeding port; the distribution flow guide plate comprises two inclined sub-distribution plates, the distance between the two sub-distribution plates gradually increases along the gravity direction, and the distribution flow guide plate is located above the crushing roller.

[0013] As a further scheme of the present application: the inner wall of the crushing bin towards the side of the gravity direction is provided with a material guiding table between the two discharge ports, the material guiding table comprises two inclined sliding plates, and the distance between the two sliding plates gradually increases along the gravity direction.

[0014] As a further scheme of the present application: the two sliding plates are provided with air ducts, the air ducts are provided in a slanting manner towards the filter screen in the corresponding sliding plate and filter screen, and a fan is further installed in the air duct.

[0015] As a further scheme of the present application: the return material arc plate is provided with a recessed groove towards the side away from the gravity direction, the inner wall of the side cover away from the return material bin is provided with a material guiding pipe in communication with the recessed groove, the material guiding pipe is inclined towards the gravity direction, a motor is further included, a second installation shaft hole is formed in the axial direction of the return material piece, the output end of the motor penetrates through the return material bin, the return material piece and the side cover, and the filter screen and the return material piece are both installed on the output end of the motor.

[0016] As a further scheme of the present application: a supporting seat is further included, the supporting seat is provided with an arc-shaped seat, at least one of the return material bin and the crushing bin is installed on the arc-shaped seat, the supporting seat comprises a collecting bin below the two discharge ports, the supporting seat is provided with a control panel, and the inner wall of the crushing bin is provided with a boss on the side of the discharge port.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] In the present application, the filter screen and the return material piece are both installed on the output end of the motor, so that they are coaxial, rotate at the same speed and synchronously. The unqualified material screened by the rotating filter screen can be timely received and pushed to the recessed groove by the return material piece rotating at the same speed, so as to avoid the retention of the material in the return material cavity. After the crushing, the qualified material passes through the filter screen, and the unqualified material is intercepted by the filter screen. When the filter screen rotates, the intercepted unqualified material moves to the return material cavity between the side cover and the return material piece. The partition plate of the return material piece pushes the material to flow along the return material arc plate in the movement cavity, and finally the material is collected in the recessed groove. The material in the recessed groove reenters the crushing bin through the material guiding pipe, and is crushed for the second time. The design improves the sorting effect. BRIEF DESCRIPTION OF DRAWINGS

[0019] The present application will be further explained in combination with the drawings and embodiments:

[0020] Figure 1 is a perspective view of the present application;

[0021] Figure 2 is a perspective view of the crushing bin in the present application;

[0022] Figure 3 is a sectional view of the present application;

[0023] Figure 4 is a sectional view of the pulverizing bin in the present application;

[0024] Figure 5 is a perspective view of the filter screen and the return bin in the present application;

[0025] Figure 6 is a perspective view of the filter screen in the present application;

[0026] Figure 7 is a perspective view of the side cover in the present application;

[0027] Figure 8 is a perspective view of the return member in the present application;

[0028] Figure 9 is a sectional view of the filter screen and the return bin in the present application.

[0029] BRIEF DESCRIPTION OF DRAWINGS

[0030] 1. pulverizing bin; 101, feeding port; 102, distribution guide plate; 103, mounting group frame; 104, mounting plate; 105, pulverizing roller; 106, pulverizing shaft; 107, gear; 108, discharge port; 109, rotating cavity; 110, side cover; 111, boss; 112, filter screen; 113, connecting frame; 114, first mounting shaft hole; 115, gap; 116, material guiding table; 117, sliding plate; 118, air duct; 119, fan; 120, fan blade; 121, through cavity; 122, return arc plate; 123, recess; 124, material guiding pipe;

[0031] 2. return bin; 201, return member; 202, return cavity; 203, second mounting shaft hole; 204, partition plate; 205, movement cavity; 206, motor;

[0032] 3. support seat; 301, arc-shaped seat; 302, collection bin; 303, control panel. DETAILED DESCRIPTION

[0033] The present application will be described in detail below with reference to the accompanying drawings. Figures 1 to 9 The technical solutions of the present application are described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0034] In the description of the present application, it should be understood that if these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like appear, the orientation or positional relationship indicated by these terms is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0035] In addition, if these terms "first", "second" appear, these terms are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, if the term "multiple" appears, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0036] In the present application, unless otherwise explicitly specified and limited, if the terms "mounting", "connecting", "connecting", "fixing" and the like appear, these terms should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0037] The present application provides a bubble cap plastic waste crushing and recycling equipment by improving, Figures 1 to 9 As shown, the crushing bin 1 extends in the axial direction and two discharge ports 108 are formed on the inner wall of the side facing the direction of gravity; two return material bins 2 are respectively installed on the axial sides of the crushing bin 1;

[0038] Among them, the rotating cavities 109 are formed on the axial outer walls on both sides of the crushing bin 1, and the filter screens 112 are rotatably installed in the rotating cavities 109; the return material pieces 201 are rotatably arranged in the return material bins 2, and the radial inner walls of the return material pieces 201 are spaced apart and distributed with a plurality of partitions 204; the side covers 110 are installed on the axial outer walls on both sides of the crushing bin 1; on the corresponding same side, the side covers 110 are located between the crushing bin 1 and the return material bin 2; the return material cavities 202 are formed between the side covers 110 and the return material pieces 201.

[0039] In the embodiment, the device core is composed of a crushing bin 1, a return bin 2, and a side cover 110, etc. The bubble cap plastic waste is recycled and processed through the cooperation of crushing, screening, and returning. The crushing bin 1 extends along the axial direction, and the inner wall of the gravity direction side is provided with two discharge ports 108 for discharging the qualified material after crushing. The axial outer walls of the two axial sides are each provided with a rotating cavity 109, and a filter screen 112 is rotatably installed in the cavity to realize the screening of the crushed material. The two return bins 2 are respectively installed on the axial sides of the crushing bin 1 and form a corresponding cooperation with the crushing bin 1.

[0040] A return member 201 is rotatably arranged in the return bin 2, and a plurality of partitions 204 are distributed at intervals on the radial inner wall of the return member 201 for guiding the return flow of unqualified material. The side cover 110 is installed on the axial outer wall of the crushing bin 1 on both sides, and the side cover 110 is located between the crushing bin 1 and the return bin 2. A closed return cavity 202 is formed between the side cover 110 and the return member 201 to provide a return flow channel for the material that does not pass through the filter screen 112.

[0041] Referring to the drawings Figure 3 and the drawings Figure 5 - the drawings Figure 6 The filter screen 112 is provided with a plurality of connecting frames 113 on the inner wall of the side cover 110 side, and the intersection of the plurality of connecting frames 113 is provided with a first mounting shaft hole 114 coaxial with the filter screen 112. A gap 115 is provided between the axial inner wall of the side cover 110 and the axial outer wall of the crushing bin 1 to provide a rotating space for the plurality of connecting frames 113.

[0042] In the embodiment, the connecting frames 113 are arranged on the inner wall of the filter screen 112 towards the side cover 110, and are radially arranged. The connecting frames 113 connect the filter screen 112 with the driving component, i.e. the motor 206, and enhance the structural strength of the filter screen 112 to avoid the filter screen from being damaged by material impact when rotating.

[0043] The first mounting shaft hole 114 is located at the intersection of the plurality of connecting frames 113 and is coaxial with the filter screen 112. The first mounting shaft hole 114 is usually used for penetrating the driving shaft of the motor 206 to enable the filter screen 112 to stably rotate around its own axis, so that the filter screen 112 is rotatably installed in the rotating cavity 109 and screens the crushed plastic.

[0044] In the embodiment, the gap 115 is located between the axial inner wall of the side cover 110 and the axial outer wall of the crushing bin 1, and directly provides a rotating space for the connecting frames 113. When the filter screen 112 rotates with the driving shaft through the connecting frames 113, the connecting frames 113 will do circular motion in the gap 115 to avoid mechanical interference with the fixed wall surface of the side cover 110 or the crushing bin 1.

[0045] The width of the gap 115 is slightly larger than the size of the connecting frame 113, while the sealing performance is taken into account, and the leakage of materials from the gap 115 can be reduced by the sealing ring on the inner side of the side cover 110.

[0046] In the embodiment, when the device is running, the driving shaft of the motor 206 drives the filter screen 112 to rotate through the first mounting shaft hole 114, the crushed materials are screened by the filter screen 112 in the crushing chamber 1, the qualified materials are discharged from the discharge port 108 through the pore size of the filter screen 112, and the unqualified materials are intercepted by the filter screen 112 and are conveyed to the return material cavities 202 on both sides by the rotation of the filter screen 112 and the action of the wind, and finally are sent back to the crushing chamber 1 by the return material part 201 for secondary processing.

[0047] Referring to the drawings Figure 7 - the drawings Figure 9 The side cover 110 is provided with a through cavity 121 communicating with the return material part 201, and the return material arc plate 122 is fixedly arranged on the outer wall of the side cover 110 facing the return material part 201, the return material arc plate 122 is coaxially arranged with the radial inner wall of the return material part 201, and the radial inner wall of the return material part 201 and the radial outer wall of the return material arc plate 122 form the movement cavity 205.

[0048] In the embodiment, the efficient return flow of the unqualified materials is realized through the material conduction of the through cavity 121, the path guidance of the return material arc plate 122 and the dynamic constraint of the movement cavity 205. The through cavity 121 is arranged on the side cover 110 and directly communicates with the inner cavity of the return material part 201. The through cavity 121 serves as a channel for the return flow of the materials, introduces the unqualified materials screened from the crushing chamber 1 into the rotating area of the return material part 201, and is pushed by the partition plate 204.

[0049] In the embodiment, the caliber of the through cavity 121 needs to match the particle size and flow rate of the materials to avoid blockage or too slow flow rate. The inner wall of the through cavity 121 can be designed as a smooth curved surface or be additionally provided with a flow guide plate to reduce the adhesion of the materials.

[0050] In the embodiment, the return material arc plate 122 is coaxially arranged with the radial inner wall of the return material part 201, the curvature of the return material arc plate 122 is consistent with the rotating path of the return material part 201, the materials in the movement cavity 205 are stably pushed, and the jamming or splashing caused by the trajectory deviation is avoided. The coaxial arrangement minimizes the gap between the return material arc plate 122 and the return material part 201, that is, the movement cavity 205, and reduces the volume of the device.

[0051] In the embodiment, the arc-shaped curved surface of the return material arc plate 122 forces the materials to flow in the circumferential direction and finally re-enter the crushing chamber 1.

[0052] Referring to the drawings Figure 3 - the drawings Figure 4The inside of the pulverizing bin 1 is provided with two groups of mounting frames 103, the distance between the two groups of mounting frames 103 gradually increases along the gravity direction; each group of mounting frames 103 includes two groups of corresponding mounting plates 104, and in the same group of mounting plates 104, two pulverizing rollers 105 are rotatably arranged.

[0053] In the embodiment, the distance between the two groups of mounting frames 103 gradually increases along the gravity direction, i.e. the material falling direction, forming a space structure similar to an inverted trapezoid. The gradually expanding space allows the material to naturally disperse during the falling process, reducing the risk of material jamming caused by particle accumulation, especially for wet or sticky materials.

[0054] In the embodiment, the pulverizing efficiency is further improved through the cooperation of the double rollers. Each group of mounting frames 103 includes two groups of corresponding mounting plates 104, and each group of mounting plates 104 is rotatably provided with two pulverizing rollers 105. The two pulverizing rollers 105 are usually in a double roller structure, i.e. the two roller axes are parallel and the rotation directions are opposite, one rotates clockwise and the other rotates counterclockwise, forming a composite crushing force of shearing and extruding.

[0055] In the embodiment, the roller surface adopts a toothed roller, which can enhance the shearing and tearing effect on ductile materials, i.e. plastics.

[0056] Referring to the accompanying drawings Figure 3 - the accompanying drawings Figure 4 The pulverizing roller 105 includes a pulverizing shaft 106, and the pulverizing roller 105 is rotatably arranged on the mounting plate 104 through the pulverizing shaft 106; the pulverizing shaft 106 is provided with intermeshing gears 107.

[0057] In the embodiment, the gears 107 on the pulverizing shafts 106 of the two pulverizing rollers 105 on the same group of mounting plates 104 are intermeshed. When the driving gear rotates, the driven gear will rotate in the opposite direction synchronously. This reverse rotation is the core of the double roller crushing, forming an extrusion and shearing zone between the two rollers. When the material enters this zone, it is both extruded inward by the two rollers and sheared by the reverse friction force, greatly improving the crushing efficiency.

[0058] The pulverizing shaft 106 penetrates the pulverizing roller 105, and the two ends are rotatably mounted on the mounting plate 104 through bearings (not shown), bearing the radial load and axial force of the pulverizing roller 105.

[0059] In the embodiment, in order to avoid the influence of the broken material on the subsequent meshing when falling between the gears 107 during crushing, a protective cover (not shown) is also designed, which is installed on the mounting plate 104 and the two gears 107 are located inside the protective cover.

[0060] In the embodiment, a driving device is further included, and an output end of the driving device is connected with the smashing shaft 106. The driving device is a mature and stable structure in the field, and the specific driving device and the connection mode are not limited in the application.

[0061] Referring to the drawings Figure 3 The smashing bin 1 is provided with a feeding port 101 on the side away from the direction of gravity, and the inside of the smashing bin 1 is provided with a distribution flow guide plate 102 located at the bottom of the feeding port 101. The distribution flow guide plate 102 includes two inclined sub-distribution plates, the distance between the two sub-distribution plates gradually increases along the direction of gravity, and the distribution flow guide plate 102 is located above the smashing roller 105.

[0062] In the embodiment, through the cooperation of the feeding port 101 and the distribution flow guide plate 102, uniform distribution, directional guidance and buffer transition of the material after entering the smashing bin 1 are realized, which lays a foundation for the efficient crushing of the subsequent smashing roller 105.

[0063] In the embodiment, the distribution flow guide plate 102 is composed of two inclined sub-distribution plates, and the distance between the two plates gradually increases along the direction of gravity, forming an inverted V-shaped structure. The concentrated material entering the feeding port 101 is dispersed, and after falling from the narrow feeding port 101, the material is guided to both sides by the two inclined plates, and is uniformly distributed to a wider area as the distance increases, avoiding the accumulation of a large amount of material in a certain local part of the smashing roller 105, resulting in uneven load of the smashing roller 105. The distributed material can accurately match the working area of each smashing roller 105 below, ensuring that the amount of material processed by each smashing roller 105 is roughly balanced, and improving the overall crushing efficiency.

[0064] In the embodiment, the distribution flow guide plate 102 is located above the smashing roller 105, and the inclination angle of the sub-distribution plate is matched with the position height of the smashing roller 105 below, and the inclination angle is usually designed to be 30°-60°, which can be adjusted by the person skilled in the art according to the flowability of the material.

[0065] Referring to the drawings Figure 2 -Appendix Figure 4 The inner wall of the side of the smashing bin 1 facing the direction of gravity is provided with a material guide table 116 located between the two discharge ports 108, and the material guide table 116 includes two inclined sliding plates 117, and the distance between the two sliding plates 117 gradually increases along the direction of gravity.

[0066] In the embodiment, the material guide table 116 is a key component for discharging and distributing the material at the bottom of the smashing bin 1, and the two inclined and gradually expanding sliding plates 117 accurately guide the smashed material to the two discharge ports 108, avoiding the accumulation of the material and improving the screening efficiency.

[0067] The gradually expanding inclined structure material guiding table 116 is composed of two inclined sliding plates 117, the distance between the two plates gradually increases along the gravity direction, forming a reverse V-shaped split channel. This design allows the material to naturally spread to both sides and avoids stagnation in the middle area between the two discharge ports 108. The inclination angle of the sliding plate 117 is usually 30°-55°, and the specific inclination angle needs to be matched with the material flowability.

[0068] Referring to the accompanying drawings Figure 2 - the accompanying drawings Figure 4 Two air ducts 118 are provided on the two sliding plates 117, and the air ducts 118 are inclined towards the filter screen 112 in the corresponding sliding plate 117 and filter screen 112. A fan 119 is also installed in the air duct 118, and a fan blade 120 is installed at the output end of the fan 119.

[0069] In this embodiment: the wind power generated by the fan 119 can improve the screening efficiency during material crushing and screening, and can push the unqualified crushed material into the return material chamber 202 after screening, thereby further improving the operation effect.

[0070] Referring to the accompanying drawings Figure 7 - the accompanying drawings Figure 9 The return material arc plate 122 is provided with a groove 123 recessed towards the gravity direction on the side away from the gravity direction, and the inner wall of the side cover 110 away from the return material bin 2 is provided with a material guiding pipe 124 communicating with the groove 123, which is inclined towards the gravity direction. A motor 206 is also included, and a second installation shaft hole 203 is provided in the axial direction of the return material piece 201. The output end of the motor 206 penetrates the return material bin 2, the return material piece 201 and the side cover 110. The filter screen 112 and the return material piece 201 are both installed at the output end of the motor 206.

[0071] In this embodiment: through the directional flow guiding of the groove 123 and the material guiding pipe 124, and the coaxial synchronous driving of the motor 206, the unqualified material is realized to be efficiently circulated in a closed loop from the return material bin 2 to the crushing bin 1. The return material arc plate 122 is provided with a groove 123 recessed towards the gravity direction on the side away from the gravity direction, which functions to accurately collect the material pushed by the return material piece 201. When the return material piece 201 rotates, the baffle 204 pushes the material to flow along the return material arc plate 122 in the movement chamber 205. When the material moves to the position of the groove 123, due to the recessed structure of the groove 123, similar to a flow collecting groove, the material will be collected into the groove 123 under the joint action of gravity and centrifugal force, thereby avoiding the material from continuously moving in a circle with the return material piece 201 and failing to be separated.

[0072] In this embodiment: the depth of the groove 123 is 1.5-2 times the maximum particle size of the material, and the width is slightly larger than the inlet diameter of the material guiding pipe 124, to ensure that the material can smoothly enter the material guiding pipe 124. The edges of the groove 123 are rounded to reduce material jamming.

[0073] In the embodiment, the material guide pipe 124 connects the groove 123 and the inner side of the side cover 110 and is inclined towards the direction of gravity, thereby forming a self-flowing channel from the material return bin 2 to the crushing bin 1 by using gravity to assist the material flow.

[0074] The material collected in the groove 123 enters the material guide pipe 124 and flows rapidly to the inside of the crushing bin 1 under the action of gravity due to the inclination of the pipe. The outlet position of the material guide pipe 124 needs to be accurately matched with the crushing area in the crushing bin 1 and is usually located between the two groups of crushing rollers 105.

[0075] In the embodiment, the output end of the motor 206 penetrates the material return bin 2, the material return part 201 and the side cover 110, and the filter screen 112 and the material return part 201 are both installed on the output end, so that they are coaxial, rotate at the same speed and synchronously. The substandard material screened out by the rotation of the filter screen 112 can be timely received and pushed to the groove 123 by the material return part 201 rotating at the same speed, so as to avoid the material from staying in the material return cavity 202. The substandard material intercepted by the filter screen 112 moves with the filter screen 112 to the material return cavity 202 between the side cover 110 and the material return part 201 when the filter screen 112 rotates. The partition plate 204 of the material return part 201 pushes the material to flow along the material return arc plate 122 in the movement cavity 205 and finally flows into the groove 123. The material in the groove 123 reenters the crushing bin 1 through the material guide pipe 124 for secondary crushing.

[0076] Referring to the drawings Figure 1 and the drawings Figure 3 The support base 3 is further provided with an arc-shaped seat 301, at least one of the material return bin 2 and the crushing bin 1 is installed on the arc-shaped seat 301; the support base 3 includes a collection bin 302 located below the two discharge ports 108; the support base 3 is provided with a control panel 303; and the inner wall of the crushing bin 1 is provided with a boss 111 located on one side of the discharge port 108.

[0077] In the embodiment, the crushed material passes through the filter screen 112 and is stored in the collection bin 302. In order to control the operation of the equipment, the control panel 303 structure is designed. When the filter screen 112 rotates, the boss 111 can scrape and clean the filter screen 112 to avoid the attachment of debris on the surface of the filter screen 112, which affects the stability during rotation and the subsequent screening effect.

[0078] The foregoing description of the disclosed embodiments enables a person skilled in the art to make or use the application. Modifications of these embodiments will occur to persons of skill in the art, and that the underlying principles can be applied to other embodiments without departing from the scope of the present application. Accordingly, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A blister plastic waste size reduction recycling apparatus, characterized by, The application relates to a powder crushing device. The application relates to a powder crushing device. The application relates to a powder crushing device. The application relates to a powder crushing device. The application relates to a powder crushing device.

2. The plastic waste bubble cap shredding and recycling apparatus of claim 1, wherein: The application relates to a powder crushing device. The application relates to a powder crushing device.

3. The plastic waste bubble cap shredding and recycling apparatus according to claim 1 or 2, wherein: The application relates to a powder crushing device.

4. The plastic waste bubble cap shredding and recycling device according to claim 1 or 2, characterized in that: The application relates to a powder crushing device. The application relates to a powder crushing device.

5. A blister plastic waste shredding and recycling apparatus as claimed in claim 4, wherein: The application relates to a powder crushing device.

6. A blister plastic waste shredding and recycling apparatus as claimed in claim 4, wherein: The application relates to a powder crushing device. The application relates to a powder crushing device. The application relates to a powder crushing device. The application relates to a powder crushing device. The application relates to a powder crushing device. The application relates to a powder crushing device. The application relates to a powder crushing device. The application relates to a powder crushing device. The application relates to a powder crushing device. The application relates to a powder crushing device. The application relates to a powder crushing device. The application relates to a powder crushing device. The application relates to a powder crushing device. The application relates to a powder crushing device. The application relates to a powder crushing device. The application relates to a powder crushing device. The application relates to a powder crushing device. 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The application relates to a powder crushing device. The application relates to a 7. The apparatus according to claim 1 or 2, characterized in that: The inner wall of the crushing bin (1) on the side of the direction of gravity is provided with a material guiding table (116) between the two discharge ports (108), the material guiding table (116) comprises two inclined sliding plates (117), the distance between the two sliding plates (117) gradually increases along the direction of gravity.

8. A blister plastic waste shredding and recycling apparatus as claimed in claim 7, wherein: The two sliding plates (117) are provided with air ducts (118), and the air ducts (118) are inclined to the filter screen (112) in the corresponding sliding plate (117) and filter screen (112). And / or, the air duct (118) is further provided with a fan (119), and the output end of the fan (119) is provided with a fan blade (120).

9. The apparatus according to claim 1 or 2, characterized in that: The back side of the material returning arc plate (122) is provided with a recess (123) recessed towards the direction of gravity, the inner wall of the side cover (110) on the side away from the material returning bin (2) is provided with a material guiding pipe (124) communicated with the recess (123), and the material guiding pipe (124) is inclined towards the direction of gravity. And / or, further comprising a motor (206), the second installation shaft hole (203) is arranged on the axis of the material returning part (201), the output end of the motor (206) penetrates the material returning bin (2), the material returning part (201) and the side cover (110), and the filter screen (112) and the material returning part (201) are installed on the output end of the motor (206).

10. The apparatus according to claim 1 or 2, characterized in that: Further comprising a supporting seat (3), the supporting seat (3) is provided with an arc-shaped seat (301), at least one of the material returning bin (2) and the crushing bin (1) is installed on the arc-shaped seat (301); And / or, the supporting seat (3) comprises a collecting bin (302) below the two discharge ports (108); And / or, the supporting seat (3) is provided with a control panel (303); And / or, the inner wall of the crushing bin (1) is provided with a boss (111) on the side of the discharge port (108).

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