Material squeezing and scattering equipment
By combining screw extrusion and fixed-motion knife dispersing, the problems of low output, low efficiency and high power of waste film dewatering equipment are solved. It achieves efficient film extrusion and dispersing, with an output of 1 ton per hour, significantly reduced power and energy consumption, and greatly reduced production costs.
Patent Information
- Application Number
- CN202520124367.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-20
AI Technical Summary
In existing technologies, waste film dehydration equipment suffers from problems such as low output, low efficiency, high power consumption, and high production costs, making it difficult to effectively improve production efficiency and reduce energy consumption.
This material squeezing and dispersing equipment combines screw extrusion with stationary and moving blades to achieve efficient squeezing and dispersing of the film, with a production capacity of 1 ton per hour, reducing equipment power and saving costs.
This resulted in a significant increase in output, a reduction in equipment power, a substantial decrease in energy consumption, and a significant reduction in production costs.
Smart Images
Figure CN223685806U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to waste plastics recycling technical field especially relates to a material squeeze dry and scatter equipment. BACKGROUND
[0002] The recycling of waste films not only reduces the amount of landfill and the pollution of the environment, but also saves resources and drives the prosperity of related industries, injecting new vitality into local economies. By recycling waste films, we can convert them into recyclable raw materials, and then manufacture new film products or other plastic products, which have a wide range of applications in packaging, building insulation, agricultural covering and other fields.
[0003] Mechanical and physical recycling is the most common method for recycling waste films, which involves crushing, cleaning and other processes. After cleaning, waste films are usually dehydrated by a dehydrator or semi-plasticization squeeze dry equipment. However, both the dehydrator and the semi-plasticization squeeze dry equipment have the disadvantages of low output, low efficiency, high power and high production cost. SUMMARY
[0004] The technical problem to be solved by the utility model is to provide a material squeeze dry and scatter equipment with high output, low power and low production cost.
[0005] The semi-plasticization squeeze dry equipment has an output of 500 kg per hour, which has the disadvantages of low output and high power. The dehydrator has a single dehydration capacity limited by the volume of the dehydration cylinder, and the output cannot be improved, so it also has the disadvantages of low output and high power. Therefore, neither the semi-plasticization squeeze dry equipment nor the dehydrator can improve the production efficiency, and the high power also leads to high energy consumption and high production cost. In view of the current situation, the present application develops a material squeeze dry and scatter equipment, which realizes the purpose of film squeeze dry and scatter by combining the screw extrusion method and the fixed cutter scattering method. The output can reach 1 ton per hour, the output is greatly improved, and the overall power is much lower than that of the traditional semi-plasticization squeeze dry equipment or dehydrator, effectively reducing the production cost.
[0006] The technical scheme adopted by the utility model is: the material squeeze dry and scatter equipment comprises: a rack, an extrusion device and a scattering device are arranged on the rack, and the extrusion device is located at the rear side of the scattering device;
[0007] The scattering device comprises: a scattering bin, a scattering bin inlet is arranged at the rear side of the scattering bin, the scattering bin inlet is communicated with the outlet of the extrusion device, and a scattering bin outlet is arranged at the bottom of the scattering bin;
[0008] The first support shaft and the second support shaft are supported in the scattering bin below the scattering bin feed inlet by the respective corresponding bearing sets, the first support shaft is located at the rear side of the second support shaft, and a rotation driving device for driving the first support shaft and the second support shaft to rotate is arranged on the scattering bin.
[0009] Here, the rotation driving device can adopt two reduction motors, one of which drives the first support shaft, and the other drives the second support shaft. A more optimal solution is:
[0010] The first support shaft is provided with a first gear, and the second support shaft is provided with a second gear meshing with the first gear to form a gear transmission. The first support shaft or the second support shaft is driven by a reduction motor, and the first support shaft and the second support shaft are driven to rotate by a combination of one reduction motor and gear transmission, which can save costs and make the overall structure more compact.
[0011] A plurality of first moving knives are uniformly and axially spaced on the first support shaft, and a plurality of second moving knives are uniformly and axially spaced on the second support shaft. Each first moving knife and each second moving knife are staggered from left to right and do not contact each other. A plurality of first fixed knives are uniformly and axially spaced on the inner wall of the rear side of the scattering bin from left to right. Each first fixed knife and each first moving knife are staggered from left to right and do not contact each other. A plurality of second fixed knives are uniformly and axially spaced on the inner wall of the front side of the scattering bin from left to right. Each second fixed knife and each second moving knife are staggered from left to right and do not contact each other.
[0012] Further, the foregoing material squeezing and scattering device, wherein the first moving knife is a circular saw blade structure with a plurality of first sawteeth uniformly distributed in the circumferential direction, and the second moving knife is a circular saw blade structure with a plurality of second sawteeth uniformly distributed in the circumferential direction.
[0013] When viewed from right to left, each first sawtooth on the first moving knife is inclined in the clockwise direction, and each second sawtooth on the second moving knife is inclined in the counterclockwise direction, so that each first sawtooth back at the junction of the first moving knife and the second moving knife is located at the upper part of the corresponding first sawtooth, and each second sawtooth back at the junction of the first moving knife and the second moving knife is located at the upper part of the corresponding second sawtooth.
[0014] Further, the foregoing material squeezing and scattering device, wherein the axis of the first support shaft and the axis of the second support shaft are in the same horizontal plane, and the axis of the first support shaft and the axis of the second support shaft are parallel to each other.
[0015] Further, the foregoing material squeezing and scattering device, wherein the squeezing device further comprises a feed cylinder, a water filter cylinder and a material pressing cylinder arranged in sequence from rear to front.
[0016] The filter cylinder comprises an inner cylinder and a shell covering the outer side of the inner cylinder, and a closed hollow interlayer is formed between the inner cylinder and the shell; the rear side of the inner cylinder is provided with a second feeding port, and the front side of the inner cylinder is provided with a second discharging port; a plurality of filter holes are arranged on the circumference of the inner cylinder, and the bottom of the shell is provided with a water outlet;
[0017] The feeding cylinder is provided with a first feeding port at the top, and a first discharging port is arranged on the front side of the feeding cylinder, which is communicated with the second feeding port; a conveying device for feeding the material in the feeding cylinder into the filter cylinder is arranged in the feeding cylinder.
[0018] The rear side of the pressing cylinder is provided with a third feeding port communicated with the second discharging port, and the front side of the pressing cylinder is provided with a third discharging port, which is the discharging port of the wringing device; a compacting device for compacting the material in the pressing cylinder is arranged on the pressing cylinder.
[0019] Further, the compacting device is structured as follows: the top of the pressing cylinder is provided with a pressing port, an oil cylinder is installed on the top of the pressing cylinder through an oil cylinder seat, and the piston rod of the oil cylinder points downward, one end of a material blocking plate is hinged to the pressing port, and the other end of the material blocking plate is hinged to the end of the piston rod of the oil cylinder.
[0020] In order to improve the water leakage speed of the filter holes, the filter holes are arranged in a structure sequentially connected by a first circular channel, a circular truncated cone channel and a second circular channel from inside to outside; the diameter of the first circular channel is smaller than the diameter of the second circular channel, the small end diameter of the circular truncated cone channel is the same as the diameter of the first circular channel, and the small end of the circular truncated cone channel is connected with the first circular channel, and the large end diameter of the circular truncated cone channel is the same as the diameter of the second circular channel, and the large end of the circular truncated cone channel is connected with the second circular channel.
[0021] Further, the conveying device is structured as follows: a thrust shaft is supported on the frame through a bearing seat, the front part of the thrust shaft is sealed through a through hole on the left side of the feeding cylinder, a screw rod is fixedly arranged at the front end of the thrust shaft, the screw rod is located in the front section of the feeding cylinder and the inner cylinder, and the thrust shaft is driven to rotate by a combination of a motor and a speed reducer.
[0022] Further, the front part of the thrust shaft and the through hole on the left side of the feeding cylinder are sealed by asbestos.
[0023] Further, the feeding cylinder is provided with a feeding bin at the first feeding port, and an observation port is arranged on the feeding bin and the scattering bin, and the observation port is closed by a transparent plate.
[0024] The utility model discloses a beneficial effect is: through screw extrusion mode + fixed dynamic knife dispersing mode combination realizes the film extrusion drying and dispersing purpose, and its output can reach 1 tons per hour, and the output gets the substantial increase, and the overall power is compared with traditional semi -plasticization extrusion drying equipment or dehydrator also low much, greatly reduces the energy consumption, saves the cost. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is a kind of material extrusion drying and dispersing equipment's structure schematic diagram of the utility model.
[0026] Figure 2 It is Figure 1 Local amplification structure schematic diagram of part in feeding machine cylinder and filter water machine cylinder.
[0027] Figure 3 It is Figure 2 Local amplification structure schematic diagram of part A.
[0028] Figure 4 It is Figure 1 Local amplification structure schematic diagram of part in pressure material machine cylinder and dispersing device.
[0029] Figure 5 It is a kind of material extrusion drying and dispersing equipment's local three-dimensional structure schematic diagram of the utility model.
[0030] Figure 6 It is Figure 5 Local amplification structure schematic diagram of part in fixed dynamic knife.
[0031] Among them:
[0032] 1, rack;2, extrusion device;21, feeding machine cylinder;211, first feeding port;212, first discharge port;213, mounting seat;214, mounting hole;22, filter water machine cylinder;221, inner cylinder;222, shell;223, closed hollow sandwich;224, second feeding port;225, second discharge port;226, filter water hole;2261, first circular channel;2262, circular table channel;2263, second circular channel;23, pressure material machine cylinder;231, third feeding port;232, baffle plate;233, third discharge port;3, dispersing device;31, dispersing bin;4, first support shaft;41, first dynamic knife;411, first sawtooth;412, first sawtooth knife back;5, second support shaft;51, second dynamic knife;511, second sawtooth;512, second sawtooth knife back;6, oil cylinder;61, piston rod;62, oil cylinder seat;7, thrust shaft;71, motor;72, speed reducer;8, screw;9, first fixed knife;10, second fixed knife;20, speed reduction motor;30, feeding bin;40, observation port. DETAILED DESCRIPTION
[0033] The technical solutions of the utility model will be described in further detail below in combination with the drawings and preferred embodiments.
[0034] In the following, example embodiments will be described more fully with reference to the accompanying drawings, in which, however, the example embodiments can be embodied in different forms and should not be construed as limited to the embodiments set forth herein; rather, the aim of the embodiments is to enable the disclosure to be thorough and complete, and to fully convey the scope of the disclosure to those skilled in the art.
[0035] For the convenience of description, the utility model takes Figure 1 The left-hand direction is defined as "rear", the right-hand direction is defined as "front", the visible side is defined as "right", the side opposite to the visible side is defined as "left", the upper side is defined as "up", and the lower side is defined as "down". Figure 1 The left-hand direction is defined as "rear", the right-hand direction is defined as "front", the visible side is defined as "right", the side opposite to the visible side is defined as "left", the upper side is defined as "up", and the lower side is defined as "down". Figure 1 The left-hand direction is defined as "rear", the right-hand direction is defined as "front", the visible side is defined as "right", the side opposite to the visible side is defined as "left", the upper side is defined as "up", and the lower side is defined as "down". Figure 1 The left-hand direction is defined as "rear", the right-hand direction is defined as "front", the visible side is defined as "right", the side opposite to the visible side is defined as "left", the upper side is defined as "up", and the lower side is defined as "down". Figure 1 The left-hand direction is defined as "rear", the right-hand direction is defined as "front", the visible side is defined as "right", the side opposite to the visible side is defined as "left", the upper side is defined as "up", and the lower side is defined as "down". Figure 1 The left-hand direction is defined as "rear", the right-hand direction is defined as "front", the visible side is defined as "right", the side opposite to the visible side is defined as "left", the upper side is defined as "up", and the lower side is defined as "down".
[0036] In the description of the utility model, it should be noted that the terms "up", "down", "front", "rear", "left", "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be understood as limiting the utility model.
[0037] In the case of no conflict, the embodiments of the disclosure and the features in the embodiments can be combined with each other. Embodiment one
[0038] The material squeezing and scattering device described in this embodiment, as shown in Figure 1 and Figure 4 , comprises a rack 1, a squeezing device 2 and a scattering device 3 are arranged on the rack 1. Wherein, the squeezing device 2 can adopt a screw rod squeezing device. The scattering device 3 comprises a scattering bin 31, a scattering bin feeding port is arranged at the rear side of the scattering bin 31, the scattering bin feeding port is communicated with the discharge port of the squeezing device 2, and a scattering bin discharge port is arranged at the bottom of the scattering bin 31.
[0039] As shown in Figure 1 , Figure 4 , Figure 5 and Figure 6As shown, in the embodiment, the first support shaft 4 and the second support shaft 5 are supported in the scattering bin 31 below the feeding port of the scattering bin by respective bearing sets, the first support shaft 4 is located at the rear side of the second support shaft 5, and a rotation driving device for driving the first support shaft 4 and the second support shaft 5 to rotate is arranged on the scattering bin 31.
[0040] A plurality of first moving knives 41 are uniformly spaced on the first support shaft 4 in the axial direction, and a plurality of second moving knives 51 are uniformly spaced on the second support shaft 5 in the axial direction, each first moving knife 41 and each second moving knife 51 are staggered and do not contact each other from left to right; a plurality of first fixed knives 9 are uniformly spaced on the inner wall of the rear side of the scattering bin 31 from left to right, each first fixed knife 9 and each first moving knife 41 are staggered and do not contact each other from left to right; a plurality of second fixed knives 10 are uniformly spaced on the inner wall of the front side of the scattering bin 31 from left to right, each second fixed knife 10 and each second moving knife 51 are staggered and do not contact each other from left to right.
[0041] More preferably, the first moving knife 41 is a circular saw blade structure with a plurality of first sawteeth 411 uniformly distributed in the circumferential direction, and the second moving knife 51 is a circular saw blade structure with a plurality of second sawteeth 511 uniformly distributed in the circumferential direction.
[0042] From the right to left observation direction, that is, Figure 4 As shown, from this direction, each first sawtooth 411 on the first moving knife 41 is inclined in the clockwise direction, and each second sawtooth 511 on the second moving knife 51 is inclined in the counterclockwise direction, so that each first sawtooth back 412 at the junction of the first moving knife 41 and the second moving knife 51 is located at the upper part of the corresponding first sawtooth 411, and each second sawtooth back 512 at the junction of the first moving knife 41 and the second moving knife 51 is located at the upper part of the corresponding second sawtooth 512.
[0043] More preferably, the axis of the first support shaft 4 and the axis of the second support shaft 5 are in the same horizontal plane, and the axis of the first support shaft 4 and the axis of the second support shaft 5 are parallel to each other.
[0044] Wherein, the distance between the axis of the first support shaft 4 and the rear inner wall of the scattering bin 31 is the first distance, the length of any first fixed knife 8 in the front-rear direction is the second distance, and the length of the outermost contour of any first moving knife 41 from the axis of the first support shaft 4 is the third distance, the first distance is less than the sum of the second distance and the third distance, so that a part of the corresponding first moving knife 41 will extend into the gap between two adjacent first fixed knives 9.
[0045] Similarly, the distance between the axis of the second support shaft 5 and the inner wall of the front side of the dispersing chamber 31 is the fourth distance, the length of any second fixed blade 10 in the front-back direction is the fifth distance, and the length between the axis of the second support shaft 5 and the outermost contour of any second moving blade 51 is the sixth distance. The fourth distance is less than the sum of the fifth distance and the sixth distance, so that a part of the corresponding second moving blade 51 will extend into the gap between any two adjacent second fixed blades 10.
[0046] Similarly, the distance between the axis of the first support shaft 4 and the axis of the second support shaft 5 is the seventh distance, the length from the axis of the first support shaft 4 to the outermost contour of any first moving blade 41 is the third distance, and the length from the axis of the second support shaft 5 to the outermost contour of any second moving blade 51 is the sixth distance. The seventh distance is less than the sum of the third distance and the sixth distance, so that a part of the corresponding second moving blade 51 will extend into the gap between any two adjacent first moving blades 41.
[0047] like Figure 6 As shown, in this embodiment, the structure of the rotation drive device is as follows: a first gear is provided on the first support shaft 4, and a second gear is provided on the second support shaft 5 to mesh with the first gear to form a gear transmission; the first support shaft 4 or the second support shaft 5 is driven by a reduction motor 20. Driven by the reduction motor, the first support shaft 4 and the second support shaft 5 move in opposite directions. In this embodiment, each first sawtooth blade back 412 and each second sawtooth blade back 512 are used as the disintegration working parts.
[0048] In this embodiment, an observation port 40 is provided on the dispersing chamber 31. The observation port 40 is closed by a transparent plate. The number of observation ports 40 can be selected according to actual needs and is not limited here. The dispersing situation can be intuitively understood through the observation port 40.
[0049] The aforementioned dispersing device, with its fixed and moving blades, effectively disperses compacted materials, resulting in a superior dispersing effect. Furthermore, by combining screw extrusion with fixed-moving blade dispersing to achieve the purpose of film extrusion and dispersing, the output can reach 1 ton per hour, significantly increasing production. The overall power consumption is also much lower than that of traditional semi-plasticizing extrusion equipment or dewatering machines, greatly reducing energy consumption and saving costs. Example 2
[0050] The material squeezing and dispersing equipment described in this embodiment, such as... Figure 1 As shown, it includes: a frame 1, on which a squeezing device 2 and a dispersing device 3 are mounted. The squeezing device 2 includes a feeding cylinder 21, a water filtering cylinder 22, and a pressing cylinder 23 arranged sequentially from back to front.
[0051] like Figure 1 and Figure 2As shown, the filter cylinder 22 in the embodiment comprises an inner cylinder 221 and an outer shell 222 covering the outer cylinder 221, and a closed hollow layer 223 is formed between the inner cylinder 221 and the outer shell 222. The rear side of the inner cylinder 221 is provided with a second feeding port 224, and the front side of the inner cylinder 221 is provided with a second discharging port 225. A plurality of filter holes 226 are arranged on the circumference of the inner cylinder 221, and a water outlet is arranged at the bottom of the outer shell 222. The water outlet can be small to be connected with a pipeline, and the water falling from each filter hole 226 is discharged through the pipeline. The water outlet can also be large, and a water outlet chamber can be arranged at the water outlet, and the water outlet of the water outlet chamber is connected with the pipeline, and the water falling from each filter hole 226 is discharged through the water outlet chamber and the pipeline.
[0052] The filter hole 226 can be a circular channel structure. In order to improve the water leakage speed of the filter hole 226, the filter hole 226 can be arranged as follows: Figure 3 As shown, the filter hole 226 is sequentially connected by a first circular channel 2261, a circular truncated cone channel 2262 and a second circular channel 2263 from inside to outside; the diameter of the first circular channel 2261 is smaller than the diameter of the second circular channel 2263, the small end diameter of the circular truncated cone channel 2262 is the same as the diameter of the first circular channel 2261, and the small end of the first circular channel 2261 is connected with the circular truncated cone channel 2262, and the large end diameter of the circular truncated cone channel 2262 is the same as the diameter of the second circular channel 2263, and the large end of the circular truncated cone channel 2262 is connected with the second circular channel 2263.
[0053] As shown in the drawings, Figure 1 and Figure 2 As shown in the drawings, the feeding cylinder 21 in the embodiment is provided with a first feeding port 211 at the top, a first discharging port 212 is arranged at the front side of the feeding cylinder 21, and the first discharging port 212 is communicated with the second feeding port 224. A conveying device for feeding the material in the feeding cylinder 21 into the filter cylinder 22 is arranged in the feeding cylinder 21.
[0054] The structure of the conveying device is that a thrust shaft 7 is supported on the frame 1 through a bearing seat, the front part of the thrust shaft 7 is sealed through a through hole in the left side of the feeding cylinder 21, a screw rod 8 is fixedly arranged at the front end of the thrust shaft 7, the screw rod 8 is located in the front section of the feeding cylinder 21 and the inner cylinder 221, and the thrust shaft 7 is driven to rotate by a motor 71 and a speed reducer 72.
[0055] As shown in the drawings, Figure 1 As shown in the drawings, the feeding cylinder 21 in the embodiment is provided with a first feeding port 211 at the top, a first discharging port 212 is arranged at the front side of the feeding cylinder 21, and the first discharging port 212 is communicated with the second feeding port 224. A conveying device for feeding the material in the feeding cylinder 21 into the filter cylinder 22 is arranged in the feeding cylinder 21.
[0056] In order to facilitate installation, a mounting seat 213 is mounted on the rear side wall of the feeding barrel 21, the through hole on the left side of the feeding barrel 21 actually refers to the mounting hole 214 on the mounting seat 213, a connecting through hole is actually arranged on the rear side wall of the feeding barrel 21 and communicates with the mounting hole 214 or a connecting through hole is arranged for assembling the mounting seat 213, the mounting seat 213 is embedded in the connecting through hole, the front part of the thrust shaft 7 is sealed with the mounting hole 214 by means of asbestos, the asbestos sealing is more convenient to replace and has lower use cost compared with other sealing structures.
[0057] As shown in Figure 1 and Figure 4 , the rear side of the pressing barrel 23 is provided with a third feeding port 231 which communicates with the second discharging port 225, and the front side of the pressing barrel 21 is provided with a third discharging port 233 which is the discharging port of the wringing device 2. A compacting device is arranged on the pressing barrel 23 to compact the material in the pressing barrel 23.
[0058] As shown in Figure 4 and Figure 5 , in the embodiment, the compacting device is structured as follows: the pressing barrel 23 is provided with a pressing port at the top, the oil cylinder 6 is mounted on the top of the pressing barrel 23 through the oil cylinder seat 62, and the piston rod 61 of the oil cylinder 6 points downward, one end of the baffle plate 232 is hinged to the pressing port, and the other end of the baffle plate 232 is hingedly connected with the end of the piston rod 61 of the oil cylinder 6.
[0059] In operation, the piston rod 61 of the oil cylinder 6 extends downward to push the baffle plate 232 to swing downward about the hinge joint between the baffle plate 232 and the pressing barrel 23, so as to compact the material in the pressing barrel 23 downward; in the process of compacting the material in the pressing barrel 23 downward by the baffle plate 232, the rear screw continuously forwards the material, and since the forwards transported material is blocked by the material being compacted and cannot continue to move forward, an extrusion force is generated to squeeze the water in the material out. After the material in the pressing barrel 23 is compacted, the piston rod 61 of the piston rod 6 is retracted upward to push the baffle plate 232 to swing upward about the hinge joint between the baffle plate 232 and the pressing barrel 23, at this time, the compacted material moves forward under the pushing force of the rear conveying device, falls into the scattering device 3 through the third discharging port 233 and the scattering bin feeding port, and then the material input into the pressing barrel 23 can be compacted again.
[0060] The above merely is the preferred embodiment of the present application, and is not any other form of limitation to the present application, and any modification or equivalent change according to the technical essence of the present application still belongs to the range required to be protected by the present application.
Claims
1. A material wringing and fluffing apparatus comprising: The rack is characterized in that the wringing device and the scattering device are arranged on the rack. The scattering device comprises a scattering bin, a scattering bin feeding port arranged on the rear side of the scattering bin, the scattering bin feeding port being communicated with the discharge port of the wringing device, and a scattering bin discharge port arranged on the bottom of the scattering bin. The first support shaft and the second support shaft are supported in the scattering bin below the scattering bin feeding port through respective corresponding bearing sets, the first support shaft is located at the rear side of the second support shaft, and a rotation driving device for driving the first support shaft and the second support shaft to rotate is arranged on the scattering bin. A plurality of first moving knives are uniformly and axially arranged on the first support shaft, a plurality of second moving knives are uniformly and axially arranged on the second support shaft, each first moving knife and each second moving knife are arranged in staggered order from left to right and do not contact each other, a plurality of first fixed knives are uniformly and axially arranged on the inner wall of the rear side of the scattering bin, each first fixed knife and each first moving knife are arranged in staggered order from left to right and do not contact each other, and a plurality of second fixed knives are uniformly and axially arranged on the inner wall of the front side of the scattering bin, each second fixed knife and each second moving knife are arranged in staggered order from left to right and do not contact each other.
2. A material wringing and fluffing apparatus according to claim 1, wherein: The first moving knife is a circular saw blade structure with a plurality of first sawteeth uniformly distributed in the circumferential direction, and the second moving knife is a circular saw blade structure with a plurality of second sawteeth uniformly distributed in the circumferential direction. When viewed from right to left, each first sawtooth on the first moving knife is inclined in the clockwise direction, and each second sawtooth on the second moving knife is inclined in the counterclockwise direction, so that each first sawtooth back at the junction of the first moving knife and the second moving knife is located at the upper part of the corresponding first sawtooth, and each second sawtooth back at the junction of the first moving knife and the second moving knife is located at the upper part of the corresponding second sawtooth.
3. A material wringing and fluffing apparatus according to claim 1 or 2, characterised in that: The axis of the first support shaft and the axis of the second support shaft are located on the same horizontal plane.
4. A material wringing and fluffing apparatus according to claim 1 or 2, characterised in that: The structure of the rotation driving device is that a first gear is arranged on the first support shaft, a second gear is arranged on the second support shaft and meshes with the first gear to form a gear transmission, and the first support shaft or the second support shaft is driven by a speed reducer motor.
5. A material wringing and fluffing apparatus according to claim 1, wherein: The wringing device comprises a feeding machine cylinder, a water filtering machine cylinder and a pressing machine cylinder arranged in sequence from rear to front. The water filtering machine cylinder comprises an inner cylinder and an outer shell covering the outer cylinder, a closed hollow interlayer is formed between the inner cylinder and the outer shell, a second feeding port is arranged on the rear side of the inner cylinder, a second discharge port is arranged on the front side of the inner cylinder, a plurality of water filtering holes are arranged on the circumference of the inner cylinder, and a water outlet is arranged on the bottom of the outer shell. A first feeding port is arranged on the top of the feeding machine cylinder, a first discharge port is arranged on the front side of the feeding machine cylinder, the first discharge port is communicated with the second feeding port, and a conveying device for feeding the material in the feeding machine cylinder into the water filtering machine cylinder is arranged in the feeding machine cylinder. A third feeding port is arranged on the rear side of the pressing machine cylinder, the third feeding port is communicated with the second discharge port, a third discharge port is arranged on the front side of the pressing machine cylinder, and the third discharge port is the discharge port of the wringing device; and a compacting device for compacting the material in the pressing machine cylinder is arranged on the pressing machine cylinder.
6. A material wringing and fluffing apparatus according to claim 5, wherein: The structure of the compaction device is that the top of the compactor cylinder is provided with a material pressing opening, an oil cylinder is installed on the top of the compactor cylinder through an oil cylinder seat, and the piston rod of the oil cylinder points downward, one end of the material blocking plate is hinged at the material pressing opening, and the other end of the material blocking plate is hingedly connected with the end of the piston rod of the oil cylinder.
7. A material wringing and fluffing apparatus according to claim 5 or 6, characterised in that: The water filtering hole is composed of a first circular channel, a circular truncated cone channel and a second circular channel from inside to outside; the diameter of the first circular channel is smaller than that of the second circular channel, the small end diameter of the circular truncated cone channel is the same as that of the first circular channel, and the small end of the circular truncated cone channel is connected with the first circular channel, and the large end diameter of the circular truncated cone channel is the same as that of the second circular channel, and the large end of the circular truncated cone channel is connected with the second circular channel.
8. A material wringing and fluffing apparatus according to claim 5, wherein: The structure of the conveying device is that the thrust shaft is supported on the frame through a bearing seat, the front part of the thrust shaft is sealed in the through hole on the left side of the feeding cylinder, a screw rod is fixedly arranged at the front end of the thrust shaft, the screw rod is located in the front section of the feeding cylinder and the inner cylinder, and the thrust shaft is driven to rotate by the combination of a motor and a speed reducer.
9. A material wringing and fluffing apparatus according to claim 8, wherein: The front part of the thrust shaft and the through hole on the left side of the feeding cylinder are sealed by asbestos.
10. A material wringing and fluffing apparatus according to claim 5, wherein: An feeding bin is arranged at the first feeding opening of the feeding cylinder, and an observation opening is arranged on the feeding bin and the scattering bin, and the observation opening is closed by a transparent plate.