Kitchen waste filter pressing device

Abstract

The invention provides a kitchen waste filter pressing device, and relates to the technical field of waste treatment, the filter pressing device comprises a filter pressing box body, an outer support, a filter pressing screen plate assembly and a pressing part, and further comprises a discharge rotating assembly, a guide arc plate and an air blowing assembly, the discharging rotating assembly is used for driving the filter pressing screen plate assembly to rotate around the rotating position of the filter pressing screen plate assembly and the inner wall of the filter pressing bin, the air blowing assembly is arranged on the side wall of the filter pressing box, and one end of the air blowing assembly is connected with the lower surface of the filter pressing screen plate assembly and is in sliding fit with the lower surface of the filter pressing screen plate assembly. The other end of the air blowing assembly extends to the outer side wall of the filter pressing box body, and the air blowing assembly can spray air flow to the bottom of the filter pressing screen plate assembly. The kitchen waste treatment device is simple in structure, sewage and kitchen waste can be separated and discharged respectively through guiding of the guiding arc plate and rotation of the filter pressing screen plate assembly, slag in filter holes of the filter pressing screen plate assembly is blown out through airflow, the filter pressing screen plate assembly is prevented from being blocked, and follow-up filter pressing work is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of waste treatment, and in particular to a kitchen waste filter pressing device. Background Art

[0002] The resource utilization of food waste usually includes multiple treatment processes such as filtration, separation of inorganic matter, crushing and pulping of organic matter, degreasing, deodorization, sand removal, and wastewater treatment and recycling. In the process of resource utilization of food waste, kitchen waste leachate will be produced, and the organic matter concentration in the kitchen waste leachate is high and difficult to degrade, and the content of ammonia nitrogen and heavy metals is high. If it is not separated in advance, it will affect the effect of organic matter crushing and pulping and aerobic fermentation.

[0003] The kitchen waste filter press is a device for treating kitchen waste, which is mainly used to separate the solid and liquid in the kitchen waste to reduce the volume and facilitate subsequent treatment or resource utilization. The existing kitchen waste filter press filter presses the kitchen waste in the following way: the kitchen waste is placed on the filter press mesh plate, and pressure is applied to the kitchen waste from the upper side to press the dirty liquid out, and the dirty liquid passes through the filter press mesh plate and flows out to achieve the separation of the dirty liquid and solid waste; however, the solid waste is placed on the filter press mesh plate, and when it is squeezed, part of the solid waste is stuck in the filter holes of the filter press mesh plate, which is not easy to clean and is easy to cause blockage, affecting the subsequent filter press treatment of the kitchen waste. Summary of the invention

[0004] The purpose of the present invention is to provide a kitchen waste filter press device to solve the technical problems existing in the prior art.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A kitchen waste filter press device comprises a filter press box, an outer bracket, a filter press mesh plate assembly and a lower pressure part, the outer bracket is arranged on the side of the filter press box and the top of the outer bracket extends to the upper side of the filter press box, the lower pressure part is arranged on the top of the outer bracket, the filter press mesh plate assembly is arranged inside the filter press box and divides the inside of the filter press box into a filter press chamber located on the upper side and a separation chamber located on the lower side; one end of the filter press mesh plate assembly is rotatably connected to the inside of the filter press chamber and the other end is in sliding contact with the inner wall of the filter press chamber, the separation chamber is provided with a lower partition member inside the separation chamber and the lower partition member divides the inside of the separation chamber into a liquid discharge chamber and a slag discharge chamber, one side wall of the slag discharge chamber has an arc-shaped portion and when one end of the filter press mesh plate assembly rotates into the separation chamber, the end of the filter press mesh plate assembly is in sliding contact with the inner side wall of the arc-shaped portion; it also includes a discharge rotating assembly, a guide arc plate and an air blow The filter press assembly comprises a discharge rotating assembly, wherein the discharge rotating assembly is arranged on the outer wall of the filter press box and is connected to one end of the filter press mesh plate assembly, and the discharge rotating assembly is used to drive the filter press mesh plate assembly to rotate around the rotation point between the filter press mesh plate assembly and the inner wall of the filter press box, and the filter press mesh plate assembly can maintain a stable state after rotating under the action of the discharge rotating assembly, and a slag discharge port is provided on the side wall of the arc-shaped portion; the guide arc plate is arranged on the lower side of the filter press mesh plate assembly and one end of the guide arc plate is connected to one end of the filter press mesh plate assembly away from the rotation point, and the other end of the guide arc plate extends downward into the discharge chamber in an arc-shaped manner; the air blowing assembly is arranged on the side wall of the filter press box, one end of the air blowing assembly is connected to the lower surface of the filter press mesh plate assembly and slidably cooperates with it, and the other end of the air blowing assembly extends to the outer side wall of the filter press box and the air blowing assembly can spray airflow to the bottom of the filter press mesh plate assembly.

[0007] On the basis of the above technical solution, the present invention also provides the following optional technical solution:

[0008] In an optional scheme: the filter press mesh plate assembly includes a filter plate frame, a filter plate body and a discharge shaft portion, the discharge shaft portion is arranged at one end of the filter plate frame and both ends of the discharge shaft portion are rotatably matched with the inner wall of the filter press chamber, one end of the discharge shaft portion extends to the outside of the filter press box and is connected to the discharge rotating assembly, the end of the air blowing assembly close to the filter press mesh plate assembly is slidably matched with the two opposite sides of the filter press mesh plate assembly; the top of the guide arc plate is connected to the end of the filter plate frame away from the discharge shaft portion; the filter plate body is arranged inside the filter plate frame and the upper surface of the filter plate body is flush with the upper surface of the filter plate frame.

[0009] In an optional scheme: the end of the discharge shaft portion extending to the outside of the filter press body is provided with an external gear, and the discharge rotating assembly includes an outer rod shaft, a motor part, a movable slide and a rotating drive rod, the outer rod shaft is rotatably arranged on the outer wall of the filter press body and has a spiral section, the movable slide is arranged at the spiral section and the movable slide is slidably matched with the outer wall of the filter press body, the rotating drive rod is fixedly connected to the movable slide and one end of the rotating drive rod has a rack part that can mesh with the external gear, and the output end of the motor part is connected to one end of the outer rod shaft.

[0010] In an optional solution: a limiting groove is provided on the frame edge of the filter plate frame away from the discharge shaft portion, and a block portion that can be inserted into the limiting groove is provided on the outer wall of the filter press box body, and the end of the block portion away from the limiting groove is fixedly connected to the rotating drive rod through a side extending connecting rod.

[0011] In an optional scheme: connecting slide rails are provided at the bottom of both side frames of the filter plate frame, and the air blowing assembly includes an air outlet cross pipe, a hollow top rod and an air pump component. The air outlet cross pipe is located at the lower side of the filter press mesh plate assembly and sliding seat components are provided at both ends of the air outlet cross pipe, and the two sliding seat components are respectively slidably matched with the two connecting slide rails; a plurality of air hole components are provided at the arc top of the air outlet cross pipe; a connecting rotating sleeve is provided at one end of the hollow top rod component and the connecting rotating sleeve rotates in the middle position of the air outlet cross pipe component, and the hollow top rod component is connected to the inside of the air outlet cross pipe component through the connecting rotating sleeve and one of the air hole components; the end of the hollow top rod component away from the connecting rotating sleeve is rotatably connected to the inner wall of the filter press box; the air pump component is arranged on the outer wall of the filter press box and the air outlet end of the air pump component is connected to the hollow top rod component through a telescopic air guide pipe.

[0012] In an optional scheme: the lower pressure part includes a filter press cylinder part and a lower pressure plate part, the filter press cylinder part is arranged at the top of the outer bracket and the lower pressure plate part is arranged at the lower end part of the filter press cylinder part, when the lower pressure plate part is inside the filter press bin, the lower pressure plate part is in contact with the inner wall of the filter press bin on all sides; a feed support plate is arranged on the top side wall of the filter press box and the feed support plate is connected to the filter press bin.

[0013] In an optional solution: a material introducing support plate portion is provided on the inner side of the slag discharge port, one end of the material introducing support plate portion extends to the outside of the arc portion and the other end of the material introducing support plate portion extends to the inside of the slag discharge chamber; when the filter press mesh plate assembly rotates to the slag discharge port, the bottom of the filter press mesh plate assembly is lifted by the material introducing support plate portion, and a vibrator is provided at the bottom of the material introducing support plate portion.

[0014] By adopting the above technical solution, the present invention has the following beneficial effects:

[0015] The kitchen waste filter press device provided by the present invention can realize the rapid discharge of kitchen waste after filter pressing by rotating the filter press mesh plate assembly downward to the slag discharge port; at the same time, the part of the air blowing assembly connected to the lower end of the filter press mesh plate assembly moves along the side of the filter press mesh plate assembly, and the air blowing assembly guides the external airflow to the lower surface of the filter press mesh plate assembly, and the airflow acts on the kitchen waste in the filter hole of the filter press mesh plate assembly, and the kitchen waste is separated from the filter hole of the filter press mesh plate assembly, so that the kitchen waste can be fully separated from the filter press mesh plate assembly and the filter hole of the filter press mesh plate assembly is reduced. The structure of the present invention is simple, and the sewage and kitchen waste can be separated and discharged separately by guiding the guide arc plate and rotating the filter press mesh plate assembly, and the slag in the filter hole of the filter press mesh plate assembly is blown out by the airflow to avoid the clogging of the filter press mesh plate assembly, which is convenient for subsequent filter pressing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the filter press device in one embodiment of the present invention.

[0018] Figure 2 The figure is a schematic diagram of the internal structure of the filter press box in one embodiment of the present invention.

[0019] Figure 3 It is a schematic diagram of the structure of the filter press screen assembly in one embodiment of the present invention.

[0020] Figure 4 The figure is a schematic diagram of the structure of an air blowing assembly in one embodiment of the present invention.

[0021] Figure 5 It is a schematic diagram of the structure of a discharging rotating assembly in one embodiment of the present invention.

[0022] Notes on reference numerals: filter press box 100, arc-shaped portion 110, slag discharge port 120, material introduction support plate portion 130, filter press chamber 140, separation chamber 150, lower partition member 160, liquid discharge port 170, outer bracket 200, feed support plate 300, filter press mesh plate assembly 400, filter plate frame 410, filter plate body 420, discharge shaft portion 430, external gear 440, connecting slide rail portion 450, limiting groove 460, discharge rotation assembly 500, external rod shaft 510, motor part 520, spiral section 530, movable slide 540, rotating drive rod 550, rack part 560, side extension connecting rod 570, block part 580, filter press cylinder part 600, lower pressure plate 610, guide arc plate 700, vibrator 800, air blowing assembly 900, air outlet cross pipe part 910, slide part 920, hollow top rod part 930, connecting rotating sleeve 940, air pump part 950, telescopic air guide pipe 960, air hole part 970. DETAILED DESCRIPTION

[0023] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] The left, right, up, and down positions of the various components given in the drawings are only one arrangement method, and the specific positions are set according to specific needs.

[0025] In one embodiment, Figure 1 and Figure 2As shown, a kitchen waste filter press device comprises a filter press box 100, an outer support 200, a filter press screen assembly 400 and a pressing portion, wherein the outer support 200 is arranged at the side of the filter press box 100 and the top of the outer support 200 extends to the upper side of the filter press box 100, the pressing portion is arranged on the top of the outer support 200, the filter press screen assembly 400 is arranged inside the filter press box 100 and divides the inside of the filter press box 100 into a filter press chamber 140 located at the upper side and a separation chamber 150 located at the lower side; the filter press screen assembly 400 is arranged inside the filter press box 100 and divides the inside of the filter press box 100 into a filter press chamber 140 located at the upper side and a separation chamber 150 located at the lower side; One end of the filter press assembly 400 is rotatably connected to the inside of the filter press chamber 140, and the other end is in sliding contact with the inner wall of the filter press chamber 140. The separation chamber 150 is provided with a lower partition 160, and the lower partition 160 divides the inside of the separation chamber 150 into a liquid discharge chamber and a slag discharge chamber. One side wall of the slag discharge chamber has an arc portion 110, and when one end of the filter press mesh plate assembly 400 is rotated into the separation chamber 150, the end of the filter press mesh plate assembly 400 is in sliding contact with the inner wall of the arc portion 110; it also includes a discharge rotating assembly 500, a guide arc plate 7 00 and air blowing assembly 900, the discharge rotating assembly 500 is arranged on the outer wall of the filter press box 100 and the discharge rotating assembly 500 is connected to one end of the filter press screen plate assembly 400, the discharge rotating assembly 500 is used to drive the filter press screen plate assembly 400 to rotate around the rotation point between it and the inner wall of the filter press chamber 140, and the filter press screen plate assembly 400 can maintain a stable state after rotating under the action of the discharge rotating assembly 500, and a slag discharge port 120 is opened on the side wall of the arc portion 110; the guide arc plate 700 is arranged on the filter press screen plate The lower side of the assembly 400 and one end of the guide arc plate 700 is connected to the end of the filter press mesh plate assembly 400 away from its rotation point, and the other end of the guide arc plate 700 extends downward in an arc shape into the drainage chamber; the air blowing assembly 900 is arranged on the side wall of the filter press box 100, one end of the air blowing assembly 900 is connected to the lower surface of the filter press mesh plate assembly 400 and slidably cooperates with it, the other end of the air blowing assembly 900 extends to the outer wall of the filter press box 100 and the air blowing assembly 900 can spray airflow to the bottom of the filter press mesh plate assembly 400.

[0026] In the embodiment of the present invention, in the initial state, the filter press mesh plate assembly 400 is in a horizontal state and the food waste is placed on the upper surface of the filter press mesh plate assembly 400 from the upper end of the filter press housing 100; the lower pressing part starts to work and gradually enters the filter press chamber 140, and the lower pressing part acts on the food waste on the upper surface of the filter press mesh plate assembly 400 and squeezes it. The water stains generated by the squeezing pass through the filter press mesh plate assembly 400 and fall down, and part of the water stains in the slag discharge chamber fall on the guide arc plate 700 and flow to the drainage chamber along the guide arc plate 700; after the filtration is completed, the discharge rotating assembly 500 drives the filter press mesh plate assembly 400 to rotate downward around the rotation point between it and the side wall of the filter press chamber 140, and when one end of the filter press mesh plate assembly 400 rotates to the slag discharge port 120, the discharge rotating assembly 500 stops working. Since the filter press mesh plate assembly 400 is in an inclined state, the food waste after filtration is discharged along the filter press mesh plate assembly 400 through the slag discharge port 120. 20 slides out, thereby quickly realizing the separation and discharge of food waste and water stains; after the food waste is discharged, the discharge rotating assembly 500 works and drives the filter press mesh plate assembly 400 to rotate to a horizontal state; during the downward rotation of the filter press mesh plate assembly 400, the part of the air blowing assembly 900 connected to the lower end of the filter press mesh plate assembly 400 moves along the side of the filter press mesh plate assembly 400, and the air blowing assembly 900 guides the external airflow to the lower surface of the filter press mesh plate assembly 400, and the airflow acts on the food waste in the filter holes of the filter press mesh plate assembly 400, and the food waste is separated from the filter holes of the filter press mesh plate assembly 400, so that the food waste can be fully separated from the filter press mesh plate assembly 400 and the filter holes of the filter press mesh plate assembly 400 are reduced. The drainage port 170 is provided on the side of the bottom of the drainage chamber away from the lower partition member 160, and the drainage port 170 can discharge the water stains in the separation chamber 150.

[0027] In one embodiment, Figure 1-Figure 3As shown, the filter press mesh plate assembly 400 includes a filter plate frame 410, a filter plate body 420 and a discharge shaft portion 430, wherein the discharge shaft portion 430 is disposed at one end of the filter plate frame 410 and both ends of the discharge shaft portion 430 are rotatably matched with the inner wall of the filter press chamber 140, one end of the discharge shaft portion 430 extends to the outside of the filter press box 100 and is connected to the discharge rotating assembly 500, and the air blowing assembly 900 is close to the end of the filter press mesh plate assembly 400 and is slidably matched with the two opposite sides of the filter press mesh plate assembly 400; the top of the guide arc plate 700 is rotatably matched with the filter plate frame 410 is connected to the end of the filter plate frame 410 away from the discharge shaft portion 430; the filter plate body 420 is arranged inside the filter plate frame 410 and the upper surface of the filter plate body 420 is flush with the upper surface of the filter plate frame 410; in the embodiment of the present invention, the upper end surface of the filter plate frame 410 and the filter plate body 420 are kept flush on the upper surface to facilitate full contact with the lower pressing portion to ensure full squeezing of the food waste; the discharge rotating assembly 500 drives the filter plate frame 410 and the filter plate body 420 to rotate by acting on the discharge shaft portion 430, so as to facilitate the cleaning of the food waste filtered.

[0028] In one embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, the end of the discharge shaft portion 430 extending to the outside of the filter press box 100 is provided with an external gear 440, and the discharge rotating assembly 500 includes an outer rod shaft 510, a motor portion 520, a movable slide 540 and a rotating drive rod 550, the outer rod shaft 510 is rotatably arranged on the outer wall of the filter press box 100 and has a spiral section 530 on the outer rod shaft 510, the movable slide 540 is arranged at the spiral section 530 and the movable slide 540 is slidably matched with the outer wall of the filter press box 100, the rotating drive rod 550 is fixedly connected to the movable slide 540 and one end of the rotating drive rod 550 has a rack portion 560 that can mesh with the external gear 440, and the output end of the motor portion 520 It is connected to one end of the outer rod shaft 510; in the embodiment of the present invention, the motor part 520 works and drives the outer rod shaft 510 to rotate, and the outer rod shaft 510 cooperates with the movable slide 540 through the spiral section 530 to make the rotating drive rod 550 move axially along the outer rod shaft 510, so that the rack part 560 moves and rotates the filter plate frame 410 and the filter plate body 420 through the engagement with the discharge shaft part 430; due to the spiral cooperation between the movable slide 540 and the spiral section 530, the rotating drive rod 550 maintains a stable state after adjusting its position, and the engagement of the rack part 560 with the external gear 440 limits the rotation of the discharge shaft part 430, thereby ensuring the stability of the filter press screen assembly 400.

[0029] In one embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 5As shown, the filter plate frame 410 is provided with a limiting groove 460 at the frame edge away from the discharge shaft portion 430, and the outer wall of the filter press box 100 is provided with a block portion 580 that can be inserted into the limiting groove 460, and the end of the block portion 580 away from the limiting groove 460 is fixedly connected to the rotation drive rod 550 through a side extension connecting rod 570; in this embodiment of the present invention, when the filter press screen plate assembly 400 is in a rotating state, the rotation drive rod 550 is in a moving state and the rotation drive rod 550 drives the block portion 580 to move through the side extension connecting rod 570, and the block portion 580 moves away from or close to the filter press screen plate assembly 400; when the filter press screen plate assembly 400 is in a horizontal state, the block portion 580 can be stuck into the limiting groove 460 and limit the rotation of the end of the filter plate frame 410 away from the discharge shaft portion 430, thereby limiting the rotation of the filter press screen plate assembly 400 from both ends to ensure that the filter press screen plate assembly 400 will not rotate downward during filtration, so as to achieve sufficient filtration of food waste.

[0030] In one embodiment, Figure 1-Figure 4 As shown, the bottom of the two side frames of the filter plate frame 410 is provided with a connecting slide rail portion 450, and the air blowing assembly 900 includes an air outlet cross pipe 910, a hollow top rod 930 and an air pump component 950, the air outlet cross pipe 910 is located at the lower side of the filter press mesh plate assembly 400 and the two ends of the air outlet cross pipe 910 are provided with a slide seat portion 920, and the two slide seats 920 are respectively slidably matched with the two connecting slide rail portions 450; the arc top of the air outlet cross pipe 910 is provided with a plurality of air hole portions 970; one end of the hollow top rod 930 is provided with a connecting rotating sleeve 940, and the connecting rotating sleeve 940 rotates in the middle position of the air outlet cross pipe 910, and the hollow top rod 930 is connected to the inside of the air outlet cross pipe 910 through the connecting rotating sleeve 940 and one of the air hole portions 970; the end of the hollow top rod 930 away from the connecting rotating sleeve 940 is connected to the filter press box 10 0 inner wall rotation connection; the air pump member 950 is arranged on the outer wall of the filter press box 100 and the air outlet end of the air pump member 950 is connected to the hollow top rod member 930 through the telescopic air guide pipe 960; in the embodiment of the present invention, when the filter plate frame 410 and the filter plate body 420 rotate downward around the discharge rotating shaft portion 430, due to the support of the hollow top rod member 930, the air outlet transverse pipe member 910 and the slide seat portion 920 move along the connecting slide rail portion 450, and at the same time, the air pump member 950 works and guides the external air flow to the inside of the hollow top rod member 930 through the telescopic air guide pipe 960, and the air flow flows into the inside of the air outlet transverse pipe member 910 through the connecting rotating sleeve 940, and finally sprays to the filter plate body 420 through the plurality of air hole portions 970, and the air flow acts on the food waste stuck in the filter hole of the filter plate body 420 and makes it detached; thereby ensuring that the food waste is fully discharged and avoiding the blockage of the filter plate body 420.

[0031] In one embodiment, Figure 1 and Figure 2 As shown, the lower pressure part includes a filter press cylinder part 600 and a lower pressure plate 610, the filter press cylinder part 600 is arranged on the top of the outer bracket 200 and the lower pressure plate 610 is arranged at the lower end of the filter press cylinder part 600, when the lower pressure plate 610 is inside the filter press bin 140, the lower pressure plate 610 is in contact with the inner wall of the filter press bin 140 on all sides; a feed support plate 300 is arranged on the top side wall of the filter press box 100 and the feed support plate 300 is connected to the filter press bin 140; the present invention In the embodiment, the unfiltered food waste is placed on the feed support plate 300 and guided by the feed support plate 300 to the inside of the filter press chamber 140. The filter press cylinder 600 works and drives the lower pressing plate 610 to move downward. The lower pressing plate 610 moves downward to the inside of the filter press chamber 140 and presses down the food waste on the filter press mesh plate assembly 400, so as to press out the water stains in the food waste. The side of the lower pressing plate 610 contacts the inner wall of the filter press chamber 140 to ensure that the food waste is completely squeezed.

[0032] In one embodiment, Figure 1 and Figure 2 As shown, a material introduction support plate portion 130 is disposed inside the slag discharge port 120, one end of the material introduction support plate portion 130 extends to the outside of the arc-shaped portion 110 and the other end of the material introduction support plate portion 130 extends to the inside of the slag discharge chamber. When the filter press mesh plate assembly 400 rotates to the slag discharge port 120, the bottom of the filter press mesh plate assembly 400 is lifted by the material introduction support plate portion 130, and a vibrator 800 is disposed at the bottom of the material introduction support plate portion 130. In the embodiment of the present invention, the filter press mesh plate assembly 400 is tilted downward and placed on the material introduction support plate portion 130, and the food waste on the filter press mesh plate assembly 400 is discharged through the slag discharge port 120, and the vibrator 800 starts to work and causes the material introduction support plate portion 130 to vibrate, so that the filter press mesh plate assembly 400 vibrates, and the vibration can make the food waste on the filter press mesh plate assembly 400 fully slide down and be discharged from the slag discharge port 120.

[0033] The above embodiment provides a kitchen waste filter press device, wherein the filter press mesh plate assembly 400 is in a horizontal state and the kitchen waste is placed on the upper surface of the filter press mesh plate assembly 400 from the upper end of the filter press housing 100; the lower pressing part starts to work and gradually enters the filter press chamber 140, and the lower pressing part acts on the kitchen waste on the upper surface of the filter press mesh plate assembly 400 and squeezes it, and the water stains generated by the squeezing pass through the filter press mesh plate assembly 400 and fall down, and part of the water stains in the slag discharge chamber fall on the guide arc plate 700 and flow to the drainage chamber along the guide arc plate 700; after the filtration is completed, the discharge rotating assembly 500 drives the filter press mesh plate assembly 400 to rotate downward around the rotation point between it and the side wall of the filter press chamber 140, and when one end of the filter press mesh plate assembly 400 rotates to the slag discharge port 120, the discharge rotating assembly 500 stops working, because the filter press mesh plate assembly 400 is at the slag discharge port 120. In the inclined state, the food waste after filtering slides out along the filter press mesh plate assembly 400 through the slag discharge port 120, so that the food waste and water stains can be quickly separated and discharged; after the food waste is discharged, the discharge rotating assembly 500 works and drives the filter press mesh plate assembly 400 to rotate to a horizontal state; during the downward rotation of the filter press mesh plate assembly 400, the part of the air blowing assembly 900 connected to the lower end of the filter press mesh plate assembly 400 moves along the side of the filter press mesh plate assembly 400, and the air blowing assembly 900 guides the external airflow to the lower surface of the filter press mesh plate assembly 400, and the airflow acts on the food waste in the filter holes of the filter press mesh plate assembly 400, and the food waste is separated from the filter holes of the filter press mesh plate assembly 400, so that the food waste can be fully separated from the filter press mesh plate assembly 400 and the filter holes of the filter press mesh plate assembly 400 are reduced. The clogging of the filter holes of the filter press mesh plate assembly 400 can be reduced.

[0034] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

Claims

1. A kitchen waste filter press device, comprising a filter press box, an outer bracket, a filter press screen assembly and a pressing portion, wherein the outer bracket is arranged at the side of the filter press box and the top of the outer bracket extends to the upper side of the filter press box, the pressing portion is arranged on the top of the outer bracket, the filter press screen assembly is arranged inside the filter press box and divides the inside of the filter press box into a filter press bin located at the upper side and a separation bin located at the lower side, characterized in that: One end of the filter press screen assembly is rotatably connected to the inside of the filter press bin, and the other end is in sliding contact with the inner wall of the filter press bin. A lower partition is provided inside the separation bin, and the lower partition divides the inside of the separation bin into a liquid discharge chamber and a slag discharge chamber. The side wall of the slag discharge chamber has an arc-shaped portion and when one end of the filter press screen plate assembly rotates into the separation bin, the end of the filter press screen plate assembly slides in contact with the inner side wall of the arc-shaped portion; it also includes a discharge rotating assembly, a guide arc plate and an air blowing assembly; The discharge rotating assembly is arranged on the outer wall of the filter press box and is connected to one end of the filter press screen plate assembly. The discharge rotating assembly is used to drive the filter press screen plate assembly to rotate around the rotation point between the filter press box and the inner wall of the filter press box. The filter press screen plate assembly can maintain a stable state after rotating under the action of the discharge rotating assembly. A slag discharge port is opened on the side wall of the arc-shaped portion. The guide arc plate is arranged at the lower side of the filter press screen plate assembly, and one end of the guide arc plate is connected to one end of the filter press screen plate assembly away from the rotation position thereof, and the other end of the guide arc plate extends downward into the drainage chamber in an arc shape; The air blowing assembly is arranged on the side wall of the filter press box, one end of the air blowing assembly is connected to the lower surface of the filter press mesh plate assembly and slidably cooperates with it, the other end of the air blowing assembly extends to the outer side wall of the filter press box and the air blowing assembly can spray airflow to the bottom of the filter press mesh plate assembly.

2. The kitchen waste filter press device according to claim 1, characterized in that: The filter press screen plate assembly comprises a filter plate frame, a filter plate body and a discharge shaft portion; The discharge shaft is arranged at one end of the filter plate frame and both ends of the discharge shaft are rotatably matched with the inner wall of the filter press chamber. One end of the discharge shaft extends to the outside of the filter press box and is connected to the discharge rotating assembly. The end of the air blowing assembly close to the filter press screen assembly is slidably matched with two opposite sides of the filter press screen assembly. The top of the guide arc plate is connected to the end of the filter plate frame away from the discharge shaft; the filter plate body is arranged inside the filter plate frame and the upper surface of the filter plate body is flush with the upper surface of the filter plate frame.

3. The kitchen waste filter press device according to claim 2, characterized in that: The end of the discharge shaft portion extending to the outside of the filter press box is provided with an external gear, and the discharge rotating assembly includes an external rod shaft, a motor portion, a movable slide seat and a rotating drive rod; The outer rod shaft is rotatably arranged on the outer wall of the filter press housing and has a spiral section, the movable slide is arranged at the spiral section and the movable slide is slidably matched with the outer wall of the filter press housing; The rotary drive rod is fixedly connected to the movable slide seat, and one end of the rotary drive rod has a rack part that can mesh with the external gear, and the output end of the motor part is connected to one end of the external rod shaft.

4. The kitchen waste filter press device according to claim 3, characterized in that: A limiting groove is provided on the frame edge of the filter plate frame away from the discharge shaft portion, and a block portion that can be inserted into the limiting groove is provided on the outer wall of the filter press box body. The end of the block portion away from the limiting groove is fixedly connected to the rotating drive rod through a side extending connecting rod.

5. The kitchen waste filter press device according to claim 2, characterized in that: The bottom of the two side frames of the filter plate frame are both provided with connecting slide rails, and the air blowing assembly includes an air outlet transverse pipe, a hollow top rod and an air pump. The air outlet transverse pipe is located at the lower side of the filter press screen assembly and both ends of the air outlet transverse pipe are provided with sliding seats, and the two sliding seats are respectively slidably matched with the two connecting slide rails; the arc top of the air outlet transverse pipe is provided with a plurality of air holes; A connecting rotating sleeve is arranged at one end of the hollow top rod, and the connecting rotating sleeve is located in the middle of the air outlet transverse pipe, and the hollow top rod is connected with the inside of the air outlet transverse pipe through the connecting rotating sleeve and one of the air holes; The end of the hollow top rod away from the connecting rotating sleeve is rotatably connected to the inner wall of the filter press box; the air pump component is arranged on the outer wall of the filter press box, and the air outlet end of the air pump component is connected to the hollow top rod through a telescopic air guide pipe.

6. The kitchen waste filter press device according to claim 1, characterized in that: The lower pressure part includes a filter press cylinder part and a lower pressure plate; The filter press cylinder is arranged on the top of the outer bracket and the lower pressing plate is arranged on the lower end of the filter press cylinder. When the lower pressing plate is inside the filter press bin, the lower pressing plate is in contact with the inner wall of the filter press bin on all sides. A feed support plate is arranged on the top side wall of the filter press box body and the feed support plate is communicated with the filter press bin.

7. The kitchen waste filter press device according to claim 1, characterized in that: A material guiding support plate portion is arranged inside the slag discharge port, one end of the material guiding support plate portion extends to the outside of the arc-shaped portion and the other end of the material guiding support plate portion extends to the inside of the slag discharge chamber; When the filter press screen plate assembly rotates to the slag discharge port, the bottom of the filter press screen plate assembly is lifted up by the material introduction supporting plate portion, and a vibrator is arranged at the bottom of the material introduction supporting plate portion.

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