Waste mixing device and waste mixing processing equipment

Abstract

The invention relates to a waste mixing device and waste mixing processing equipment, the waste mixing processing equipment comprises the waste mixing device and a feeding device, and the waste mixing device comprises a main mixing unit, a sub mixing unit and an extrusion forming unit which are arranged continuously; the main mixing unit and the auxiliary mixing unit respectively form y-shaped mixing channels with gradually-decreased sectional areas in the base towards the discharging direction, a driving screw and a driven screw which are oppositely and obliquely arranged are arranged, the driving screw and the driven screw can be driven by the driving assembly, and the feeding device can input waste and additives into the main mixing unit according to the proportion. In front mixing modules of the main mixing unit and the sub mixing unit, a driving screw rod and a driven screw rod which are oppositely and obliquely arranged are arranged in a y-shaped mixing channel so as to achieve the effects of progressive spiral mixing extrusion, conveying and the like; and the effect of uniformly mixing the waste and the additive is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of waste mixing equipment, in particular to a kind of waste mixing device and waste mixing processing equipment. BACKGROUND

[0002] In order to save energy, reduce carbon emissions necessary for climate change, while based on ESG ( "environmental protection (Environment) ", "social responsibility (Social) " and "corporate governance (Governance) ") Sustainable development, industry must be transformed towards green energy, circular economy, actively introduce carbon reduction thinking, in order to maintain industrial competitiveness. Therefore, based on the sustainable operation of the industry, how to effectively recycle and reuse the waste in the industry is an important issue in the development of various industries at this stage.

[0003] Take the waste containing cotton fiber or chemical fiber and other fiber waste generated by clothes, mattress or its processing and manufacturing as an example, in order to recycle and reuse the aforementioned fiber waste, the fiber material object must be physically crushed and processed to separate the fiber waste, and then the fiber waste is added with resin or other additives to be mixed into sheet or granular waste material, so that it can be directly used as filler, or it can be processed into other products for reuse.

[0004] In order to realize the mixing of the aforementioned fiber waste to be recycled and reused, the waste mixing device is currently used to achieve this, and the waste mixing device provides a heating environment, and the driven double screw rod is used for spiral stirring and conveying, so that the waste and additives can be mixed through the waste mixing device, and then mechanically processed into small size sheet or granular waste material.

[0005] The aforementioned existing waste mixing device can perform waste mixing operation, but the fiber waste is initially in a loose state, and the waste mixing device uses the driven double screw rod to perform spiral stirring and conveying of the waste and its additives. During the process, the driven double screw rod rotates relatively at the same speed in parallel, so that the fiber waste and its additives are difficult to achieve the expected uniform mixing effect in the existing waste mixing device, which affects the recycling and reuse of the waste, especially when the double screw rod is driven to rotate at high speed, most of the fiber waste and its additives are in a state of being pushed, making it more difficult to achieve uniform mixing. The rotation speed of the double screw rod needs to be reduced, which reduces the mixing efficiency of the waste mixing mechanism, so it is necessary to further improve it. SUMMARY

[0006] The technical problem to be solved by the present invention is to provide a waste mixing device and waste mixing processing equipment to improve the technical problems such as the poor mixing effect of the existing waste mixing device on the mixing of waste and its additives.

[0007] The technical solution proposed by the present invention is to provide a waste mixing device, which includes a main mixing unit, a sub-mixing unit and an extrusion forming unit arranged in sequence along a mixing path. The main mixing unit and the sub-mixing unit both include a pre-mixing module and a heating and conveying module arranged in sequence. The main mixing unit is provided with a mixing module connected to the pre-mixing module after the heating and conveying module, and the pre-mixing module of the sub-mixing unit is connected to the mixing module of the main mixing unit via the pre-mixing module of the sub-mixing unit. The extrusion forming unit is connected to the heating and conveying module of the sub-mixing unit; wherein:

[0008] The pre-mixing module includes:

[0009] A base having a mixing channel therein, wherein one end of the mixing channel along the mixing path forms a discharge port on one side of the base, and a top of the base is provided with an inlet port connected to the other end of the mixing channel, wherein the mixing channel is a space with a decreasing cross-sectional area from the inlet port toward the discharge port;

[0010] a driving screw, which can be driven and rotated and is pivotally disposed in the mixing channel of the base, the driving screw comprising a driving spiral section and a connecting section disposed at one end of the driving spiral section, the driving spiral section of the driving screw passing through the discharge port of the base, and the connecting section of the driving screw extending out of the base;

[0011] a driven screw that is rotatably and obliquely pivoted in the mixing channel of the base, the driven screw comprising a driven spiral section and a pivoting section disposed at one end of the driven spiral section, the distal end of the driven spiral section being close to the discharge port and adjacent to the active spiral section of the active screw, the pivoting section being offset from the connecting section of the active screw, and the driven spiral section and the active spiral section forming a spiral match; and

[0012] a driving assembly disposed on the outer side of the base and connected to the connecting section of the active screw and the pivoting section of the driven screw, and capable of driving the active screw and the driven screw to rotate;

[0013] The heating and conveying module is connected to the discharge port of the base and includes a heat-conductive conveying pipe and at least one heating unit arranged on the outside of the conveying pipe. The conveying pipe is connected to the discharge port of the base, and the active spiral section of the active screw of the front mixing module extends into the conveying pipe.

[0014] In the waste mixing device as described above, the base comprises a base body and a base side, the mixing channel is arranged in the base body, the discharge port of the mixing channel is located at one side of the base body, the top of the base body has a hopper at the discharge port, the base side is arranged at the other side of the base body, the mixing channel of the base body is a single inclined space, and comprises a straight side wall and an inclined side wall, the straight side wall is parallel to the central axis of the discharge port; the driving screw segment is adjacent to and parallel to the straight side wall, the connecting segment of the set of screws is pivotally arranged in the base side and extends out of the outside of the base side; the driven screw segment is adjacent to and parallel to the inclined side wall, and the connecting segment of the driven screw is pivotally arranged in the base side; the hopper at the discharge port of the base of the sub-mixing unit is located below the output end of the mixing module of the main mixing unit.

[0015] In the pre-mixing module of the main mixing unit of the waste mixing device as described above, the driving assembly comprises a motor, a gear train assembly, a speed reducer, and a bevel gear set, the gear train assembly is connected between the motor and the speed reducer, the speed reducer is connected to the connecting segment of the driving screw, the bevel gear set is arranged in the base side, and the bevel gear set is connected to the connecting segment of the driving screw and the connecting segment of the driven screw; in the pre-mixing module of the sub-mixing unit, the driving assembly comprises a motor, a gear train assembly connected between the motor and the connecting segment of the driving screw, and a bevel gear set connected between the connecting segment of the driving screw and the connecting segment of the driven screw.

[0016] In the waste mixing device as described above, the mixing module is a planetary mixing module and is connected to the driving screw.

[0017] Another technical solution provided by the present application is to provide a waste mixing processing equipment, which comprises:

[0018] a waste mixing device as described above; and

[0019] a feeding device comprising a waste conveyor set capable of conveying waste and an additive conveyor set capable of conveying additives, wherein:

[0020] The waste conveyor set comprises a first feeder, a hopper, and a conveyor belt, the first feeder extends to the discharge port of the base of the main mixing unit, the hopper is arranged outside the first feeder and can place the waste, the conveyor belt is arranged between the hopper and the first feeder, the waste in the hopper is conveyed to the first feeder through the conveyor belt, and then the waste is conveyed to the main mixing unit by the first feeder;

[0021] The additive conveyor unit includes a second feeder extending to the material inlet port of the base of the main mixing unit, and the additive is conveyed into the main mixing unit by the second feeder.

[0022] In the waste mixing processing device, the first feeder and the second feeder each have a hopper and a conveyor unit disposed below the hopper, and the first feeder and the second feeder are respectively disposed on different sides of the hopper of the material inlet port of the main mixing unit, so that the waste and the additive can be respectively input into the material inlet port of the main mixing unit by the first feeder and the second feeder.

[0023] In the waste mixing processing device, the first feeder has a pushing unit disposed at the lower section of the hopper, and the pushing unit includes an agitation rod set pivotally disposed in the lower section of the hopper, and a motor set disposed outside the hopper and connected to the agitation rod set.

[0024] The waste mixing device can achieve the following beneficial effects: The waste mixing device mainly utilizes a combination of the main mixing unit, the sub-mixing unit, and the extrusion forming unit arranged in sequence along the mixing path to exert two-stage mixing action. The waste mixing device further utilizes the driven and obliquely arranged driving screw and driven screw disposed in the mixing channel of the base along the mixing path direction in the composition structure of the front mixing module of the main mixing unit and the sub-mixing unit, and the distance between the driving screw and the driven screw gradually changes from large to small along the mixing path, that is, the mixing channel also forms a space with decreasing cross-sectional area along the mixing path direction from the material inlet port, and forms a y-shaped space. When the driving screw is driven to rotate forward, and the driven screw is driven to rotate reversely following the driving screw, the waste containing additives passing through the y-shaped mixing channel is subjected to gradually changing screw extrusion force from small to large by the change of the y-shaped mixing channel and the oblique arrangement of the driven screw and the driving screw, so that the waste and its additives are more effectively stirred and turned to perform mixing action in a faster conveying speed environment by the change of the screw extrusion force from small to large, and are quickly conveyed in the mixing direction with better mixing action. In this way, the main mixing unit and the sub-mixing unit can improve the mixing speed and enhance the mixing efficiency of the waste.

[0025] Furthermore, the main mixing unit and the sub-mixing unit can be set to different mixing speeds or the same mixing speed according to the material properties of the waste to be actually mixed. When set to different mixing speeds, the main mixing unit with a faster mixing speed is used to preliminarily mix the waste and the additives, so that the originally fluffy fibrous waste can be mixed and gathered with the additives at a proper speed, thereby effectively reducing the damage to the fibers of the fibrous waste. Then, the sub-mixing unit with a slower mixing speed is used to continue the mixing of the waste, so as to improve the uniformity of the waste mixing and output the waste mixed with the additives to the extrusion forming unit at a stable waste mixing speed. The extrusion forming unit is used to continue to make the waste mixed product into a predetermined size of sheet or particle, so that the two-stage mixing effect can be achieved by the fast-slow mixing speed, and the pre-mixing module of the main mixing unit and the sub-mixing unit can apply a gradually increasing spiral extrusion force to the waste containing the additives through the Y-shaped mixing channel, so that the waste and the additives can be mixed better and transported in the mixing direction, thereby effectively improving the uniform mixing effect of the fluffy fibrous waste and the additives. In addition, the waste mixed with the additives is subjected to re-mixing by the heating group after the mixing module of the main mixing unit behind the pre-mixing module, so that the waste mixing device can achieve better mixing effect.

[0026] The waste mixing processing equipment of the present application further comprises a waste conveying unit and an additive conveying unit of the feeding device, which convey the waste and the additives into the main mixing unit at a certain speed per unit time, so as to achieve better waste mixing effect by controlling the mixing ratio of the waste and the additives and performing the mixing operation by the waste mixing device.

[0027] In the waste mixing processing equipment of the present application, a pushing unit can be further arranged in the first feeder of the waste conveying unit of the feeding device to perform auxiliary pushing on the waste in the hopper, so as to break the bridge of the waste accumulated in the hopper and facilitate the waste in the hopper to enter the conveying unit downward and then be conveyed to the main mixing unit. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a perspective view of an embodiment of the waste mixing device of the present application.

[0029] Figure 2 is Figure 1 is a top view of the embodiment of the waste mixing device shown in FIG. 6.

[0030] Figure 3 is Figure 1A partial enlarged view of the main mixing unit in the waste mixing device embodiment shown.

[0031] Figure 4 is Figure 3 A partial exploded view of the main mixing unit shown.

[0032] Figure 5 is Figure 1 A partial enlarged view of the sub-mixing unit and the extrusion forming unit in the waste mixing device embodiment shown.

[0033] Figure 6 is Figure 5 A partial exploded view of the sub-mixing unit shown.

[0034] Figure 7 is a perspective view of an embodiment of the waste mixing and processing device.

[0035] Figure 8 is Figure 7 A perspective view of another view of the waste mixing and processing device embodiment shown.

[0036] Figure 9 is Figure 8 A partial enlarged view of the waste mixing and processing device embodiment shown.

[0037] Figure 10 is Figure 7 and Figure 8 A partial top plan view of the waste mixing and processing device embodiment shown.

[0038] Brief description of the drawings:

[0039] 1: waste mixing device

[0040] 1A: main mixing unit

[0041] 1B: sub-mixing unit

[0042] 1C: extrusion forming unit

[0043] 10: pre-mixing module

[0044] 11: base

[0045] 110: mixing channel

[0046] 1102: hopper

[0047] 111: base body

[0048] 1111: straight side wall

[0049] 1112: inclined side wall

[0050] 112: base side

[0051] 12: driving screw

[0052] 121: driving helical segment

[0053] 122: articulated segment

[0054] 13: driven screw

[0055] 131: driven helical segment

[0056] 132: articulated segment

[0057] 14: drive assembly

[0058] 141: motor

[0059] 142: wheel train assembly

[0060] 143: reducer

[0061] 144: bevel gear set

[0062] 15: material guide hood

[0063] 20: heated conveying module

[0064] 30: mixing module

[0065] 2: feeding device

[0066] 2A: waste conveyor set

[0067] 2B: additive conveyor set

[0068] 40: first feeder

[0069] 41: hopper

[0070] 42: conveyor set

[0071] 43: pusher set

[0072] 431: agitator rod set

[0073] 432: motor set

[0074] 50: barrel

[0075] 60: conveyor belt

[0076] 70: second feeder

[0077] 71: hopper

[0078] 72: conveyor set DETAILED DESCRIPTION

[0079] The technical means adopted by the present application to achieve the predetermined object are further explained in the following with reference to the accompanying drawings and embodiments of the present application. According to the above-mentioned 1th aspect, the present application comprises a waste mixing device 1 and a waste mixing processing equipment, which also comprises the waste mixing device 1. The specific components and structures of the waste mixing device 1 and the waste mixing processing equipment are described in the following respectively.

[0080] As shown in Figure 1 and Figure 2 , an embodiment of the waste mixing device 1 of the present application is disclosed. As can be seen from the drawings, the waste mixing device 1 comprises a main mixing unit 1A, a sub-mixing unit 1B and an extrusion forming unit 1C, and the main mixing unit 1A, the sub-mixing unit 1B and the extrusion forming unit 1C are arranged in series along a mixing path.

[0081] As shown in Figures 1 to 4 , the main mixing unit 1A comprises a pre-mixing module 10, a heating and conveying module 20 and a mixing module 30 arranged in series along the mixing path. As shown in Figures 1 to 2 and Figures 5 to 6 , the sub-mixing unit 1B comprises a pre-mixing module 10 and a heating and conveying module 20 arranged in series along the mixing path. The pre-mixing module 10 and the heating and conveying module 20 of the main mixing unit 1A and the sub-mixing unit 1B are basically the same in structure.

[0082] As shown in Figures 3 to 6 , the pre-mixing module 10 comprises a base 11, a driving screw 12, a driven screw 13 and a driving assembly 14. The base 11 has a mixing channel 110 inside, one end of which along the direction of the mixing path forms a discharge port on one side of the base 11, and the top of the base 11 is provided with a feeding port communicating with the other end of the mixing channel 110. In this embodiment, a hopper 1102 can also be installed on the feeding port of the top of the base 11. The mixing channel 110 is formed by the feeding port along the direction of the mixing path to form a space with decreasing cross-sectional area, which is similar to a y-shaped space.

[0083] As shown in Figures 3 to 6As shown, in the present embodiment, the base 11 comprises a base body 111 and a base side 112, the base body 111 is provided with a mixing channel 110, the discharge port of the mixing channel 110 is located at one side of the base body 111, the other side of the base body 111 is a set of connecting sides, the inlet port is arranged at the top of the base body 111 and is provided with the hopper 1102. In the present embodiment, the mixing channel 110 of the base body 111 is a single inclined space, that is, the diameters of the two ends of the mixing channel 110 along the direction of the mixing path are not equal, wherein the end of the mixing channel 110 adjacent to the inlet port is the larger diameter end, and the discharge port is the smaller diameter end, the two side walls of the mixing channel 110 of the base body 111 are a straight side wall 1111 and an inclined side wall 1112, respectively, and the straight side wall 1111 is parallel to the central axis of the discharge port.

[0084] As shown, Figures 3 to 6 The driving screw 12 can be driven to rotate and is directly pivoted in the mixing channel 110 of the base 11, the driving screw 12 comprises a driving screw segment 121 and a set of connecting segments 122 arranged at one end of the driving screw segment 121, the outer circumferential surface of the driving screw segment 121 has helical blades, the driving screw segment 121 of the driving screw 12 passes through the discharge port of the base 11, and the set of connecting segments 122 of the driving screw 12 extends out of the outside of the base 11. In the present embodiment, the driving screw segment 121 is adjacent to and parallel to the straight side wall 1111 of the mixing channel 110. The set of connecting segments 122 is pivoted in the base side 112 of the base 11 and extends out of the outside of the base side 112.

[0085] As shown, Figures 3 to 6As shown, the driven screw rod 13 is obliquely pivotally arranged in the mixing channel 110 of the base 11, the central axis of the driven screw rod 13 has an oblique angle relative to the central axis of the driving screw rod 12, the driven screw rod 13 includes a driven screw segment 131 and a pivot segment 132 arranged at one end of the driven screw segment 131, the outer circumferential surface of the driven screw segment 131 has screw blades, the end of the driven screw segment 131 is close to the discharge port and adjacent to the driving screw segment 121 of the driving screw rod 12, the pivot segment 132 is offset from the connecting segment 122 of the driving screw rod 12, the screw blades of the driven screw segment 131 form a screw matching with the screw blades of the driving screw segment 121. In this embodiment, the driven screw segment 131 is adjacent to and parallel to the oblique side wall 1112 of the mixing channel 110, and the pivot segment 132 of the driven screw rod 13 is pivotally arranged in the base side 112 of the base 11. That is, the distance between the end of the driven screw segment 131 and the driving screw segment 121 is less than the distance between the end of the driven screw segment 131 adjacent to the pivot segment 132 and the end of the driving screw segment 121 adjacent to the connecting segment 122, and the screw blades of the end of the driven screw segment 131 engage with the screw blades of the driving screw segment 121 of the driving screw rod 12.

[0086] As shown in Figures 3 to 6 The driving assembly 14 is arranged outside the base 11 and connects the connecting segment 122 of the driving screw rod 12 and the pivot segment 132 of the driven screw rod 13, to drive the driving screw rod 12 and the driven screw rod 13 to rotate, and the driven driving screw rod 12 combined with the obliquely pivotally arranged driven screw rod 13 can apply a progressive screw mixing and extrusion and conveying mixing action to the waste and additives input into the mixing channel 110 of the base 11 in the direction of the discharge port.

[0087] The main mixing machine group 1A and the sub-mixing machine group 1B are set to have mixing speeds according to the material properties of the waste to be mixed, wherein the mixing action can be set to have unequal speeds or equal speeds, preferably the main mixing machine group 1A and the sub-mixing machine group 1B are set to have fast and then slow mixing speeds.

[0088] As shown in Figures 3 to 6As shown, in this embodiment, in order to enable the main mixing unit 1A and the sub-mixing unit 1B to perform mixing operations with different speeds and appropriate driving forces, in this embodiment, the driving component 14 in the pre-mixing module 10 of the main mixing unit 1A includes a motor 141, a gear transmission component 142, a reducer 143 and a bevel gear set 144. The gear transmission component 142 is connected between the motor 141 and the reducer 143, and the reducer 143 is connected to the connecting section 122 of the motor 141 and the driving screw 12. The bevel gear set 144 is connected to the connecting section 122 of the driving screw 12 and the pivoting section 132 of the driven screw 13, thereby driving the driving screw 12 to rotate in the forward direction, and the driven screw 13 rotates at the same speed and in the opposite direction to the driving screw 12. The driving assembly 14 of the pre-kneading module 10 of the main kneading unit 1A drives the driving screw 12 and the driven screw 13 to rotate at a low speed and high torque by using the motor 141 through the speed reducer 143 .

[0089] In the pre-mixing module 10 of the sub-mixing unit 1B, the drive assembly 14 includes a motor 141, a gear transmission assembly 142, and a bevel gear set 144. The gear transmission assembly 142 is connected between the motor 141 and the connecting section 122 of the driving screw 12. The bevel gear set 144 is connected to the connecting section 122 of the driving screw 12 and the pivoting section 132 of the driven screw 13, thereby driving the driving screw 12 and the driven screw 13 to rotate.

[0090] like Figures 3 to 6 As shown, the heating and conveying module 20 is connected to the base 11 at the discharge port and includes a conveying pipe and at least one heating unit arranged on the outside of the conveying pipe. The conveying pipe is a tube made of a thermally conductive material. One end of the conveying pipe is an input end and the other end is an output end. The heating unit is an object that can provide heat energy, such as an electric heating unit. The active spiral section 121 of the active screw 12 extends into the conveying pipe, whereby the active screw 12 is located in the conveying pipe to spirally convey the mixed waste, and the heating unit controls the waste in the conveying pipe to maintain a predetermined working temperature state. The number of the heating units is determined by actual use requirements. In this embodiment, the heating and conveying module 20 of the main mixing unit 1A has two sets of heating units arranged in series, and the heating and conveying module 20 of the sub-mixing unit 1B has one set of heating units, but the present invention is not limited to this.

[0091] like Figures 1 to 4As shown, the mixing module 30 of the main mixing unit 1A is connected to the output end of the heating and conveying module 20 and is connected to the material inlet port of the base 11 of the pre-mixing module 10 of the sub-mixing unit 1B. The mixing module 30 can be a planetary mixing module 30 (not shown in the figure), which is a product available in the market. Basically, the mixing module 30 includes a mixing tube, a main mixing screw and a plurality of planetary mixing screws. The inner wall of the mixing tube is provided with a plurality of helical groove teeth. The main mixing screw is combined with the plurality of planetary mixing screws and is arranged inside the mixing tube. The main mixing screw is connected to the driving screw 12. The plurality of planetary mixing screws are distributed between the helical groove teeth of the mixing tube and the main mixing screw. The main mixing screw and the driving screw 12 can be driven to rotate and indirectly drive the plurality of planetary mixing screws to revolve and rotate between the mixing tube and the main mixing screw, thereby performing fine mixing on the waste materials in the space between the mixing tube and the main mixing screw. Preferably, at least one heater is arranged on the outer periphery of the mixing tube of the mixing module 30. The heater can be an electric heater, which is used to maintain the waste materials in the mixing tube at a predetermined working temperature, so as to facilitate the subsequent waste mixing operation.

[0092] The main mixing unit 1A is connected to the conveying tube of the heating and conveying module 20 through the mixing tube of the mixing module 30. The main mixing screw is connected to the end of the driving helical section 121 of the driving screw 12. The main mixing screw can be driven to rotate together with the driving screw 12. The mixing module 30 is connected to the output end of the heating and conveying module 20 through the mixing tube. The sub-mixing unit 1B is connected to the output end of the mixing module 30 of the main mixing unit 1A through the material inlet port of the base 11 of the pre-mixing module 10. The hopper at the material inlet port of the base 11 of the sub-mixing unit 1B is located below the output end of the mixing module 30 of the main mixing unit 1A. Alternatively, as shown in Figure 5 、 Figure 6 The sub-mixing unit 1B can also be provided with a guide cover 15 of the hopper 1102 of the material inlet port outside the base 11 of the pre-mixing module 10. The guide cover 15 is located below the output end of the mixing module 30 of the main mixing unit 1A.

[0093] As shown in Figure 1 、 Figure 2 、 Figure 5 and Figure 6As shown, the extrusion forming machine group 1C has a material inlet portion and a material outlet portion at two opposite ends, and the material inlet portion is connected to the material outlet end of the sub-mixer group 1B. The extrusion forming machine group 1C can be an existing product such as an extruder, a sheeting machine or a pelletizer, and the specific structure thereof is not described herein. In this embodiment, the sub-mixer group 1B has the output end of the heating conveying module 20 connected to the material inlet portion of the extrusion forming machine group 1C.

[0094] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 6 , the waste mixing device 1 can be used to input the waste and additives from the material inlet portion of the main mixer group 1A, and then output the waste after two-stage mixing by the main mixer group 1A and the sub-mixer group 1B, and then process the waste into a plurality of waste mixing products in the form of sheets or particles with a predetermined size by the extrusion forming machine group 1C.

[0095] In the foregoing, the waste mixing device 1 uses the pre-mixing module 10 of the main mixer group 1A and the sub-mixer group 1B to arrange the driven active screw 12 and the driven passive screw 13 in a relative oblique arrangement in the mixing channel 110 of the base 11 along the mixing path direction, and the distance between the active screw 12 and the passive screw 13 gradually changes from large to small along the mixing path, and the mixing channel 110 also forms a space with decreasing cross-sectional area along the mixing path direction from the material inlet portion, thereby forming a y-shaped space. When the active screw 12 and the passive screw 13 are driven to rotate, the space change of the y-shaped mixing channel 110 is combined with the relative oblique arrangement of the passive screw 13 and the active screw 12, which can apply a gradually increasing spiral extrusion force to the waste containing additives in the y-shaped mixing channel 110, so that the waste and the additives can be better mixed and transported in the mixing direction. Therefore, the waste containing additives in the mixing channel 110 is subjected to a mixing and transportation effect of gradually increasing spiral mixing and extrusion, and the main mixer group 1A and the sub-mixer group 1B are connected in series to achieve a better mixing effect of the waste and the additives.

[0096] In the above, the waste mixing device 1 can set the main mixing unit 1A and the sub-mixing unit 1B to different mixing speeds or the same mixing speed according to the material properties of the waste to be mixed. Preferably, in this embodiment, it is set to different mixing speeds, wherein the main mixing unit 1A is used to preliminarily mix the waste and its additives at a faster mixing speed, so that the fiber waste in the original fluffy state can be gathered and preliminarily mixed at an appropriate speed, and the damage to the fiber of the fiber waste can be effectively reduced. Then, the sub-mixing unit 1B with a slower mixing speed is used to continue the uniformity of the waste mixing, and outputs it to the extrusion forming unit at a stable waste mixing speed, which is then continued by the extrusion forming unit. To produce a waste mixed product in the form of flakes or granules of a predetermined size, a two-stage mixing process with a faster mixing speed followed by a slower mixing speed can be achieved. The pre-mixing modules 10 of the main mixing unit 1A and the sub-mixing unit 1B are combined to perform a progressive spiral mixing, extrusion, and conveying mixing process on the waste containing additives. Furthermore, the main mixing unit 1A further includes a mixing module 30 connected to the pre-mixing module 10 to further finely mix the waste containing additives, thereby achieving a better mixing effect.

[0097] like Figures 7 to 10 As shown, it discloses an embodiment of the waste mixing and processing equipment of the present invention. It can be seen from the figure that the composition structure of the waste mixing and processing equipment includes a waste mixing device 1 and a feeding device 2. The specific composition structure, execution action and function of the waste mixing device 1 are as mentioned above and will not be repeated here.

[0098] like Figures 7 to 10 As shown, the feeding device 2 includes a waste conveying unit 2A and an additive conveying unit 2B. The waste conveying unit 2A includes a first feeder 40, a barrel 50 and a conveyor belt 60. The first feeder 40 extends to the feeding port of the base 11 of the main mixing unit 1A. The barrel 50 is arranged on the outside of the first feeder 40. The conveyor belt 60 is arranged between the barrel 50 and the first feeder 40. The barrel 50 can hold waste to be processed, and the waste in the barrel 50 is transported to the first feeder 40 via the conveyor belt 60. The first feeder 40 then transports the waste to the main mixing unit 1A at a certain speed per unit time. The additive conveying unit 2B includes a second feeder 70, which extends to the inlet port of the base 11 of the main mixing unit 1A. The second feeder 70 conveys the additive to the main mixing unit 1A at a certain rate per unit time, thereby controlling the mixing ratio of the waste and additive.

[0099] like Figures 7 to 8As shown, in this embodiment, the waste conveying unit 2A can be further equipped with a stirring unit (not shown) in the barrel 50 to stir the waste in the barrel 50. The stirring unit is an existing product and its specific composition and structure are not described here.

[0100] like Figures 7 to 10 As shown, in this embodiment, the first feeder 40 and the second feeder 70 each have a hopper 41, 71 and a conveyor assembly 42, 72 disposed below the hopper 41, 71. The first feeder 40 and the second feeder 70 are located on opposite sides of the hopper 1102 at the inlet port of the main mixing unit 1A, respectively, so that waste and additives can be input into the inlet port of the main mixing unit 1A through the first feeder 40 and the second feeder 70, respectively. The conveyor assembly 42, 72 can be an electric twin-screw conveyor assembly, which is an existing product and its specific composition and structure are not further described here.

[0101] like Figures 7 to 10 As shown, the first feeder 40 is further provided with a pushing unit 43 at the lower section of the hopper 41 for providing auxiliary thrust to the waste in the hopper 41. The pushing unit 43 comprises a stirring rod assembly 431 pivotally mounted in the lower section of the hopper 41, and a motor assembly 432 disposed outside the hopper 41 and connected to the stirring rod assembly 431. The stirring rod assembly 431, driven by the motor assembly 432, provides auxiliary thrust to the waste in the lower section of the hopper 41, thereby breaking up and bridging the accumulated waste in the hopper 41, thereby facilitating the downward movement of the waste in the hopper 41 into the conveyor assembly 42, which then delivers it to the main mixing unit 1A.

[0102] like Figures 7 to 10 As shown, during use, the waste mixing and processing equipment of the present invention delivers waste and additives to the feed port of the main mixing unit 1A via the waste conveying unit 2A and the additive conveying unit 2B, respectively. The waste and additives then undergo a two-stage mixing action in the waste mixing unit 1, producing a mixed waste product. The extrusion unit 1C then pressurizes the mixed waste to form a plurality of sheet-like or granular waste products of predetermined sizes. The waste conveying unit 2A and the additive conveying unit 2B each deliver the waste and additives to the main mixing unit at a predetermined rate per unit time. By controlling the waste-additive mixing ratio, the waste mixing unit then performs the mixing operation, achieving optimal waste mixing results.

[0103] The above merely describes the embodiments of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above with the embodiments, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical contents to obtain equivalent embodiments with equivalent changes, as long as the changes or modifications do not deviate from the technical solutions of the present application. Any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application still belong to the scope of the technical solutions of the present application.

Claims

1. A waste mixing device, characterized by, It includes a main mixing unit, a sub-mixing unit and an extrusion forming unit arranged in sequence along a mixing path, the main mixing unit and the sub-mixing unit each include a pre-mixing module and a heating conveying module arranged in sequence, the main mixing unit is provided with a mixing module connected with the pre-mixing module after the heating conveying module, the pre-mixing module of the sub-mixing unit is connected with the mixing module of the main mixing unit in sequence, and the extrusion forming unit is connected after the heating conveying module of the sub-mixing unit. The pre-mixing module includes: A base with a mixing channel inside, one end of the mixing channel along the direction of the mixing path forms a discharge port on one side of the base, the top of the base is provided with a feeding port communicating with the other end of the mixing channel, and the mixing channel is a space with decreasing cross-sectional area from the feeding port to the discharge port; A driving screw rotatably and vertically pivoted in the mixing channel of the base, the driving screw includes a driving screw segment and a connecting segment at one end of the driving screw segment, the driving screw segment passes through the discharge port of the base, and the connecting segment of the driving screw extends outside the base; A driven screw rotatably and obliquely pivoted in the mixing channel of the base, the driven screw includes a driven screw segment and a pivoting segment at one end of the driven screw segment, the end of the driven screw segment approaches the discharge port and is adjacent to the driving screw segment of the driving screw, the pivoting segment is offset from the connecting segment of the driving screw, and the driven screw segment and the driving screw segment form a spiral match; and A driving assembly is provided outside the base and connects the connecting segment of the driving screw and the pivoting segment of the driven screw, and can drive the driving screw and the driven screw to rotate; The heating conveying module is connected with the discharge port of the base and includes a heat-conducting conveying pipe and at least one heating unit arranged outside the conveying pipe, the conveying pipe communicates with the discharge port of the base, and the driving screw segment of the pre-mixing module of the driving screw extends into the conveying pipe.

2. The waste mixing device of claim 1, wherein The base includes a base body and a base side, the mixing channel is arranged in the base body, the discharge port of the mixing channel is located on one side of the base body, the top of the base body has a hopper at the feeding port, the base side is arranged on the other side of the base body, and the mixing channel of the base body is a single oblique space and includes a straight side wall and an inclined side wall, the straight side wall is parallel to the central axis of the discharge port; The driving screw segment is adjacent to and parallel to the straight side wall, and the connecting segment is pivoted in the base side of the base and extends outside the base side; The driven screw segment is adjacent to and parallel to the inclined side wall, and the pivoting segment of the driven screw is pivoted in the base side; The hopper at the feeding port of the base of the sub-mixing unit is located below the output end of the mixing module of the main mixing unit.

3. The waste mixing device of claim 2, wherein The driving assembly of the pre-mixing module of the main mixing unit comprises a motor, a gear train assembly connecting the motor and a reducer, a connecting section of the driving screw connected to the reducer, and a bevel gear assembly disposed in the side of the base and connecting the connecting section of the driving screw and the pivoting section of the driven screw. The driving assembly of the pre-mixing module of the sub-mixing unit comprises a motor, a gear train assembly connecting the motor and a connecting section of the driving screw, and a bevel gear assembly connecting the connecting section of the driving screw and the pivoting section of the driven screw.

4. The waste mixing device according to any one of claims 1 to 3, characterized in that, The mixing module is a planetary mixing module and is connected to the driving screw.

5. A waste melt processing apparatus, characterized by, It comprises: a waste mixing device as claimed in any one of claims 1 to 4; and a feeding device comprising a waste conveyor capable of conveying waste and an additive conveyor capable of conveying additives, wherein: the waste conveyor comprises a first feeder extending to the material inlet port of the base of the main mixing unit, a hopper disposed outside the first feeder and capable of holding the waste, and a conveyor belt disposed between the hopper and the first feeder, the waste in the hopper being conveyed to the first feeder via the conveyor belt and then to the main mixing unit by the first feeder; the additive conveyor comprises a second feeder extending to the material inlet port of the base of the main mixing unit, the additive being conveyed to the main mixing unit by the second feeder.

6. The waste melt processing apparatus of claim 5, wherein, The first feeder and the second feeder each have a hopper and a conveyor disposed below the hopper, the first feeder and the second feeder being respectively located on different sides of the hopper of the material inlet port of the main mixing unit, the waste and the additive being capable of being respectively input to the material inlet port of the main mixing unit by the first feeder and the second feeder.

7. The waste melt processing apparatus of claim 6, wherein, The first feeder is provided with a pushing assembly at the lower section of the hopper, the pushing assembly comprising an agitating rod assembly pivotally disposed in the lower section of the hopper and a motor assembly disposed outside the hopper and connected to the agitating rod assembly.

Images