CN219745080U - Kitchen waste pulping treatment equipment - Google Patents

Abstract

The utility model discloses kitchen waste pulping treatment equipment, which relates to the technical field of waste pulping and comprises a crushing device, a grinding device and a conveying device, wherein the crushing device is vertically arranged, the upper end of the crushing device is provided with a feed inlet, and the lower end of the crushing device is provided with a discharge outlet; the grinding device is arranged at one side of the crushing device and is provided with a feeding cavity; the conveying device is arranged between the crushing device and the grinding device and is used for communicating a discharge hole of the crushing device with the feeding cavity so as to push materials from the crushing device to the grinding device. The kitchen waste pulping treatment equipment has the advantages of high pulping efficiency, high pulp outlet speed, easy flow of kitchen waste during grinding and difficult blockage.

Description

Kitchen waste pulping treatment equipment

Technical Field

The utility model relates to the technical field of recovery treatment, in particular to kitchen waste pulping treatment equipment.

Background

Before kitchen waste treatment, the kitchen waste is generally pulped to improve treatment efficiency and effect, and after the kitchen waste is pulped, the kitchen waste can be used for anaerobic fermentation to produce methane.

Common kitchen waste pulping equipment, such as a kitchen waste purifying pulping device in publication No. CN213434U, mainly relies on the gravity of kitchen waste to fall into a millstone, so that the kitchen waste is further crushed and pulped. The feeding of this kind of mode makes the mill clearance be liable to be blocked by wet sticky kitchen garbage who is the pulpiness to lead to the play thick liquid unsmooth, pulping inefficiency.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the kitchen waste pulping treatment equipment provided by the utility model has the advantages of high pulping efficiency and high pulp outlet speed, and kitchen waste is easy to flow and difficult to block during grinding.

According to the embodiment of the utility model, the kitchen waste pulping treatment equipment comprises: the stirring device is vertically arranged, the upper end of the stirring device is provided with a feeding port, and the lower end of the stirring device is provided with a discharging port;

the grinding device is used for grinding and pulping kitchen waste and is provided with a feeding cavity;

the conveying device is arranged between the crushing device and the grinding device, and a discharge hole of the crushing device is communicated with the feeding cavity so as to push materials from the crushing device to the grinding device.

The kitchen waste pulping treatment equipment provided by the embodiment of the utility model has at least the following beneficial effects: the kitchen waste is put into a mincing device through a feeding hole, and is primarily minced to prepare for subsequent pulping; the stirring device is vertically arranged, so that kitchen waste is gradually stirred in the falling process by utilizing gravity; the kitchen waste subjected to preliminary crushing enters a conveying device from a discharge hole, and the conveying device provides power for the kitchen waste so as to push the kitchen waste into a feeding cavity; kitchen waste entering the feeding chamber becomes pasty under the grinding action of the grinding device. Because grinder is for realizing better grinding slurrying effect, its passageway that overflows is generally less, so the kitchen garbage of pulpiness is easy to block up, and conveyor continuously pushes away kitchen garbage and enters into the pan feeding cavity this moment, and kitchen garbage is constantly pushing extrusion by oneself, through the mode of improving pressure, discharges the pulpiness kitchen garbage of jam for kitchen garbage is easy to flow when grinding, and slurrying is efficient, and the play thick liquid is fast.

According to some embodiments of the utility model, the conveying device comprises a conveying pipeline, a conveying screw and a first driving device, a first connecting port is arranged on the periphery of one end of the conveying pipeline, a second connecting port is arranged on the other end of the conveying pipeline, the first connecting port is communicated with a discharge port of the crushing device, the second connecting port is communicated with the feeding cavity, the conveying screw is coaxially arranged in the conveying pipeline, and the first driving device is in transmission connection with the conveying screw so as to drive the conveying screw to rotate around a shaft, and materials are pushed to the second connecting port from the first connecting port.

According to some embodiments of the present utility model, the grinding device includes a housing, an upper grinding table, a lower grinding table and a second driving device, where the housing is vertically disposed and has a grinding chamber therein, the lower grinding table is fixed in the grinding chamber, the lower grinding table is provided with a slurry outlet penetrating therethrough, the upper grinding table is disposed above the lower grinding table and is spaced from the lower grinding table, the upper grinding table and an inner wall of the housing together form the feeding chamber, and the feeding chamber is disposed above the upper grinding table, and the second driving device is in transmission connection with the upper grinding table to drive the upper grinding table to rotate around a shaft.

According to some embodiments of the utility model, a conical surface is provided on a side surface of the upper grinding table facing the lower grinding table, so that the cross section of the upper grinding table gradually decreases when the upper grinding table approaches the lower grinding table in the axial direction, and a conical surface engaged with the upper grinding table is correspondingly provided on a side surface of the lower grinding table facing the upper grinding table, so that the upper grinding table and the lower grinding table are mutually matched.

According to some embodiments of the utility model, a plurality of protruding lines are provided on opposite surfaces between the upper and lower grinding tables.

According to some embodiments of the utility model, an adjustment assembly is also provided, which is connected to the upper grinding table to adjust the distance between the upper and lower grinding tables.

According to some embodiments of the present utility model, a first transmission shaft is disposed between the upper grinding table and the second driving device, and drives the upper grinding table to rotate around the shaft through the first transmission shaft, the adjusting assembly includes a screw rod, a connecting sleeve and a third driving device, the screw rod is disposed above the outer side of the housing and parallel to the first transmission shaft, the connecting sleeve has a first sleeve and a second sleeve which are connected and parallel to each other, the first sleeve is sleeved on the first transmission shaft, and two ends of the first sleeve are provided with blocking sheets, the blocking sheets are fixed with the first transmission shaft, so that the first sleeve and the first transmission shaft are relatively stationary in the axial direction, the second sleeve is sleeved on the screw rod, the inner wall of the second sleeve is provided with threads which are in fit transmission with the screw rod, and the third driving device is in transmission connection with the screw rod to drive the screw rod to rotate around the shaft.

According to some embodiments of the utility model, the crushing device comprises a hopper, a crushing cutter and a fourth driving device, wherein the hopper is vertically arranged, the cross section of the upper end of the hopper is larger than that of the lower end of the hopper, the upper end of the hopper is provided with a feeding hole, the lower end of the hopper is provided with a discharging hole, the crushing cutter is erected in the hopper, the rotating shaft of the crushing cutter is positioned at the central axis of the hopper, and the fourth driving device is arranged at the top end of the hopper and is in transmission connection with the crushing cutter.

According to some embodiments of the utility model, the shredding cutter comprises a second drive shaft vertically disposed within the hopper at a central axis of the hopper and a plurality of blades perpendicular to the second drive shaft, the plurality of blades being spaced apart along an axial direction of the second drive shaft.

According to some embodiments of the utility model, the discharge hole is arranged at one side of the lower end of the hopper, the second transmission shaft is hollow, a third transmission shaft is inserted in the second transmission shaft along the axial direction, two ends of the third transmission shaft extend out of the end face of the second transmission shaft, one end, close to the fourth driving device, of the third transmission shaft is in transmission connection with the fourth driving device, one end, close to the discharge hole, of the third transmission shaft extends towards the discharge hole, and is provided with a sweeping plate, the sweeping plate is perpendicular to the third transmission shaft, and the third transmission shaft can drive the sweeping plate to move around the shaft, so that the sweeping plate sweeps over the discharge hole.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic structural view of kitchen waste pulping treatment equipment according to an embodiment of the utility model;

FIG. 2 is a cross-sectional view of a kitchen waste pulping treatment device according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of an abrasive device according to an embodiment of the present utility model;

FIG. 4 is a schematic view of the structure of the adjusting assembly, the upper grinding table and the lower grinding table according to the embodiment of the utility model;

fig. 5 is a schematic view illustrating an internal structure of a mashing device according to an embodiment of the present utility model.

Reference numerals:

the grinding device 100, the hopper 110, the grinding cutter 120, the second transmission shaft 121, the blade 122, the fourth driving device 130, the third transmission shaft 140, the sweeping plate 150, the grinding device 200, the feeding chamber 201, the shell 210, the grinding chamber 211, the upper grinding table 220, the lower grinding table 230, the second driving device 240, the first transmission shaft 250, the conveying device 300, the conveying pipeline 310, the conveying screw 320, the first driving device 330, the adjusting assembly 400, the screw 410, the connecting sleeve 420 and the third driving device 430.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, plural means two or more. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 and 2, the kitchen garbage pulping treatment apparatus according to an embodiment of the present utility model includes a mashing device 100, a grinding device 200, and a conveying device 300;

the stirring device 100 is vertically arranged, the upper end of the stirring device 100 is provided with a feeding hole, and the lower end of the stirring device 100 is provided with a discharging hole;

the grinding device 200 is used for grinding and pulping kitchen waste, and the grinding device 200 is provided with a feeding chamber 201;

the conveying device 300 is disposed between the mashing device 100 and the grinding device 200, and communicates the discharge port of the mashing device 100 with the feed chamber 201 to push the material from the mashing device 100 to the grinding device 200.

The mashing device 100 generally has a chamber and a cutter disposed in the chamber, and agitates and breaks kitchen waste entering the chamber. The grinding device 200 further grinds the kitchen waste into slurry by pressing friction between the tools. The conveying device 300 can adopt pushing type equipment to convey kitchen garbage crushed aggregates into the feeding chamber 201, and then the kitchen garbage crushed aggregates are extruded and pushed to the friction pulping place. Preferably, the conveying device 300 can adopt screw conveying, so that the conveying efficiency is high, and the bearing pressure is high.

Kitchen waste is put into the stirring device 100 through the feed inlet, and is primarily stirred to prepare for subsequent pulping; the stirring device 100 is vertically arranged, so that kitchen waste is gradually stirred in the falling process by utilizing gravity; the kitchen waste subjected to preliminary crushing enters the conveying device 300 from the discharge hole, and the conveying device 300 provides power for the kitchen waste so as to push the kitchen waste into the feeding cavity 201; the kitchen garbage introduced into the feeding chamber 201 becomes slurry under the grinding action of the grinding device 200. Because the grinding device 200 is generally smaller in the flow passage for better grinding and pulping effects, the pasty kitchen waste is easy to block, at this time, the conveying device 300 continuously pushes the kitchen waste into the feeding cavity 201, the kitchen waste is continuously pushed and extruded, and the blocked pasty kitchen waste is discharged in a pressure-increasing manner, so that the kitchen waste is easy to flow during grinding, the pulping efficiency is high, and the pulping speed is high.

Referring to fig. 2, it may be understood that the conveying device 300 includes a conveying pipe 310, a conveying screw 320 and a first driving device 330, a first connection port is disposed on a peripheral side of one end of the conveying pipe 310, a second connection port is disposed on the other end of the conveying pipe 310, the first connection port is communicated with a discharge port of the mashing device 100, the second connection port is communicated with the feeding chamber 201, the conveying screw 320 is coaxially disposed in the conveying pipe 310, and the first driving device 330 is in transmission connection with the conveying screw 320 to drive the conveying screw 320 to rotate around a shaft, so as to push materials from the first connection port to the second connection port.

The first driving device 330 may be a motor, and after the motor is in transmission connection with the end of the feeding screw 320, the feeding screw 320 is driven to rotate around an axis in the conveying pipeline 310, and kitchen garbage is continuously conveyed into the feeding chamber 201 in the pitch of the feeding screw 320, and then is mutually extruded and moved towards the pulping position of the grinding device 200. When the kitchen waste is blocked in the grinding device 200, the conveying screw 320 is still continuously conveying the kitchen waste, so that the pressure in the feeding cavity 201 is increased, the blocked kitchen waste is extruded out, and the blocked kitchen waste flows again, and the pulping efficiency is improved.

Referring to fig. 3 and 4, it can be understood that the grinding apparatus 200 includes a housing 210, an upper grinding table 220, a lower grinding table 230, and a second driving device 240, where the housing 210 is vertically disposed and has a grinding chamber 211 therein, the lower grinding table 230 is fixed in the grinding chamber 211, a slurry outlet passing through is provided on the lower grinding table 230, the upper grinding table 220 is disposed above the lower grinding table 230 and is spaced from the lower grinding table 230, the upper grinding table 220 and the inner wall of the housing 210 together form a feeding chamber 201, and the feeding chamber 201 is disposed above the upper grinding table 220, and the second driving device 240 is in transmission connection with the upper grinding table 220 to drive the upper grinding table 220 to rotate around a shaft.

The housing 210 provides a chamber for grinding, i.e., a grinding chamber 211, in which kitchen waste is pushed into a gap between the upper grinding table 220 and the lower grinding table 230 in the grinding apparatus 200, the upper grinding table 220 is driven to rotate by the second driving means 240, the upper grinding table 220 rotates relatively to the lower grinding table 230, and the kitchen waste is pressed and rubbed therebetween to form slurry.

It will be appreciated that the side surface of the upper grinding table 220 facing the lower grinding table 230 is provided with a tapered surface, so that the cross section of the upper grinding table 220 gradually decreases when approaching the lower grinding table 230 in the axial direction, and the side surface of the lower grinding table 230 facing the upper grinding table 220 is correspondingly provided with a tapered surface which is engaged with the upper grinding table 220, so that the upper grinding table 220 and the lower grinding table 230 are mutually engaged.

The tapered surface between the upper and lower grinding stages 220 and 230 can well improve the grinding effect, i.e., kitchen wastes are gradually concentrated and mutually pressed and rubbed when moving downwards, so as to form finer slurry. Further, a plurality of protruding lines are provided on the opposite surfaces between the upper and lower grinding tables 220 and 230. The protruding lines can increase the contact surface to kitchen garbage, can also increase friction, improves the grinding effect.

It will be appreciated that an adjustment assembly 400 is also provided, the adjustment assembly 400 being coupled to the upper platen 220 to adjust the distance between the upper platen 220 and the lower platen 230. The distance between the upper grinding table 220 and the lower grinding table 230 determines the degree of thickness of the kitchen waste ground. The distance between the upper grinding table 220 and the lower grinding table 230 is smaller, and the kitchen waste slurry is finer. There is generally a greater end need to adjust the distance between the upper platen 220 and the lower platen 230, with better flexibility in the adjustable design between the two.

Referring to fig. 4, in detail, a first transmission shaft 250 is disposed between the upper grinding table 220 and the second driving device 240, and drives the upper grinding table 220 to rotate around the shaft through the first transmission shaft 250, the adjusting assembly 400 includes a screw 410, a connecting sleeve 420 and a third driving device 430, the screw 410 is disposed above the outer side of the housing 210 and parallel to the first transmission shaft 250, the connecting sleeve 420 has a first sleeve and a second sleeve which are connected and parallel to each other, the first sleeve is sleeved on the first transmission shaft 250, and two ends of the first sleeve are provided with blocking pieces, the blocking pieces are fixed with the first transmission shaft 250, so that the first sleeve and the first transmission shaft 250 are relatively stationary in the axial direction, the second sleeve is sleeved on the screw 410, threads matched with the screw 410 are disposed on the inner wall of the second sleeve, and the third driving device 430 is in transmission connection with the screw 410 to drive the screw 410 to rotate around the shaft.

The upper grinding table 220 is disposed on the first transmission shaft 250 and driven by the first transmission shaft 250, so that the upper grinding table 220 and the first transmission shaft 250 are relatively stationary, and the position of the upper grinding table 220 can be adjusted when the position of the first transmission shaft 250 is adjusted in the axial direction. The connecting sleeve 420 connects the first transmission shaft 250 with the screw 410 through the first sleeve and the second sleeve. When the third driving device 430 (preferably, a motor) drives the screw 410 to rotate, the screw 410 converts the circular motion into the linear motion through the second sleeve, that is, the second sleeve moves along the axial direction of the screw 410, and drives the first sleeve to move, so that the first sleeve drives the first transmission shaft 250 to move, and the position of the upper grinding table 220 can be adjusted in the axial direction, while the lower grinding table 230 is still, so that the distance between the upper grinding table 220 and the lower grinding table 230 can be changed to be adjusted. It will be appreciated that the first sleeve is fitted over the first drive shaft 250, and the relative axial rest between the first sleeve and the first drive shaft 250 is maintained by the tabs at the ends of the first sleeve to effect the transmission of linear motion from the first sleeve to the first drive shaft 250. Of course, the axial movement of the first sleeve on the first transmission shaft 250 may also be limited by means of pins or by means of shoulders. Of course, when the first transmission shaft 250 moves axially, the second driving device 240 may be disposed on a guiding track, which is parallel to the axial direction of the first transmission shaft 250, i.e. the second driving device 240 can also move together with one of them to drive continuously, or the second driving device 240 is fixed, and the teeth in the transmission structure move axially to maintain the transmission connection state.

Referring to fig. 5, it can be understood that the crushing apparatus 100 includes a hopper 110, a crushing cutter 120, and a fourth driving device 130, the hopper 110 is vertically disposed, and the cross section of the upper end is greater than the cross section of the lower end, a material inlet is provided at the upper end of the hopper 110, a material outlet is provided at the lower end, the crushing cutter 120 is installed in the hopper 110, and the rotation shaft of the crushing cutter 120 is located at the central axis of the hopper 110, and the fourth driving device 130 is disposed at the top end of the hopper 110 and is in transmission connection with the crushing cutter 120.

The hopper 110 is vertically arranged, so that kitchen waste can move downwards conveniently. The fourth driving device 130 drives the mincing tool 120 to rotate in the hopper 110 so as to primarily pulverize kitchen waste, firstly, the transportation and pushing of the conveying device 300 are facilitated, and secondly, the friction extrusion and pulp discharge of the grinding device 200 are facilitated.

Specifically, the crushing cutter 120 includes a second driving shaft 121 and a plurality of blades 122, the second driving shaft 121 is vertically disposed in the hopper 110 and is located at a central axis of the hopper 110, the blades 122 are perpendicular to the second driving shaft 121, and the plurality of blades 122 are arranged at intervals along an axial direction of the second driving shaft 121.

The plurality of blades 122 are arranged, so that the space of the hopper 110 can be fully utilized, kitchen waste is thoroughly stirred and smashed, and the size of the kitchen waste is thinned.

It can be understood that the discharge hole is disposed at one side of the lower end of the hopper 110, the second transmission shaft 121 is hollow, a third transmission shaft 140 is inserted in the second transmission shaft 121 along the axial direction, two ends of the third transmission shaft 140 extend out of the end surface of the second transmission shaft 121, one end of the third transmission shaft 140, which is close to the fourth driving device 130, is in transmission connection with the fourth driving device 130, one end of the third transmission shaft 140, which is close to the discharge hole, extends towards the discharge hole, and is provided with a sweeping plate 150, the sweeping plate 150 is perpendicular to the third transmission shaft 140, and the third transmission shaft 140 can drive the sweeping plate 150 to move around the shaft, so that the sweeping plate 150 sweeps over the discharge hole.

The fourth driving device 130 can be in transmission connection with the third transmission shaft 140, and can drive the sweeping plate 150 to rotate in the hopper 110 so as to sweep the kitchen waste which is primarily crushed to the discharge port, so that the kitchen waste enters the conveying device 300. Preferably, the fourth driving device 130 and the third transmission shaft 140 are connected through a separate set of transmission devices, such as a speed reduction device. Because the speed of the sweeping plate 150 for pushing the kitchen garbage to the discharge port is not required to be very high, the third transmission shaft 140 passes through the second transmission shaft 121, so that the rotation speed of the sweeping plate 150 and the rotation speed of the cutter 120 may not be consistent. Sweep the slower rotational speed of flitch 150, under the prerequisite that satisfies sweeping the material demand, can also practice thrift the energy consumption, the resistance that receives simultaneously is littleer, and life is longer.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (10)

1. Kitchen waste pulping treatment equipment is characterized by comprising:

the stirring device (100) is vertically arranged, the upper end of the stirring device (100) is provided with a feeding port, and the lower end of the stirring device (100) is provided with a discharging port;

the grinding device (200) is used for grinding and pulping kitchen waste, and the grinding device (200) is provided with a feeding cavity (201);

and the conveying device (300) is arranged between the stirring device (100) and the grinding device (200), and communicates a discharge hole of the stirring device (100) with the feeding cavity (201) so as to push materials from the stirring device (100) to the grinding device (200).

2. Kitchen waste pulping treatment equipment according to claim 1, characterized in that: the conveying device (300) comprises a conveying pipeline (310), a conveying screw (320) and a first driving device (330), a first connecting port is formed in the periphery of one end of the conveying pipeline (310), a second connecting port is formed in the other end of the conveying pipeline (310), the first connecting port is communicated with a discharging port of the stirring device (100), the second connecting port is communicated with the feeding cavity (201), the conveying screw (320) is coaxially arranged in the conveying pipeline (310), and the first driving device (330) is in transmission connection with the conveying screw (320) to drive the conveying screw (320) to rotate around a shaft, so that materials are pushed to the second connecting port from the first connecting port.

3. Kitchen waste pulping treatment equipment according to claim 1, characterized in that: the grinding device (200) comprises a shell (210), an upper grinding table (220), a lower grinding table (230) and a second driving device (240), wherein the shell (210) is vertically arranged and internally provided with a grinding chamber (211), the lower grinding table (230) is fixed in the grinding chamber (211), a penetrating slurry outlet is formed in the lower grinding table (230), the upper grinding table (220) is arranged above the lower grinding table (230) and is spaced from the lower grinding table (230), the upper grinding table (220) and the inner wall of the shell (210) jointly form a feeding chamber (201), the feeding chamber (201) is located above the upper grinding table (220), and the second driving device (240) is in transmission connection with the upper grinding table (220) so as to drive the upper grinding table (220) to rotate around a shaft.

4. A kitchen waste pulping treatment device according to claim 3, characterized in that: the upper grinding table (220) is provided with a conical surface towards one side surface of the lower grinding table (230), when the lower grinding table (230) is close to the upper grinding table (220) in the axial direction, the cross section of the upper grinding table (220) is gradually reduced, and the conical surface which is matched with the upper grinding table (220) is correspondingly arranged on one side surface of the lower grinding table (230) towards the upper grinding table (220), so that the upper grinding table (220) and the lower grinding table (230) are mutually matched.

5. A kitchen waste pulping treatment device according to claim 3, characterized in that: a plurality of protruding lines are arranged on the opposite surfaces between the upper grinding table (220) and the lower grinding table (230).

6. A kitchen waste pulping treatment device according to claim 3, characterized in that: an adjusting assembly (400) is further provided, the adjusting assembly (400) being connected with the upper grinding table (220) to adjust the distance between the upper grinding table (220) and the lower grinding table (230).

7. The kitchen waste pulping treatment device according to claim 6, wherein: the utility model provides a grinding machine is characterized in that a first transmission shaft (250) is arranged between an upper grinding table (220) and a second driving device (240), the upper grinding table (220) is driven to rotate around a shaft through the first transmission shaft (250), an adjusting component (400) comprises a screw rod (410), a connecting sleeve (420) and a third driving device (430), the screw rod (410) is arranged above the outer side of the shell (210) and is parallel to the first transmission shaft (250), the connecting sleeve (420) is provided with a first sleeve and a second sleeve which are connected and parallel to each other, the first sleeve is sleeved on the first transmission shaft (250), the two ends of the first sleeve are provided with baffle plates, the baffle plates are fixed with the first transmission shaft (250), the first sleeve is enabled to be relatively static in the axial direction, the second sleeve is sleeved on the screw rod (410), the inner wall of the second sleeve is provided with threads matched with the screw rod (410), and the third driving device (430) is connected with the first transmission shaft (410) in a rotating mode around the shaft.

8. Kitchen waste pulping treatment equipment according to claim 1, characterized in that: the utility model provides a stirring device (100) includes hopper (110), stirring cutter (120) and fourth drive arrangement (130), hopper (110) vertical setting, and upper end cross section is greater than lower extreme cross section, the upper end of hopper (110) is equipped with the pan feeding mouth, and the lower extreme is equipped with the discharge gate, stirring cutter (120) erect in hopper (110), and make the rotation axis of stirring cutter (120) is in the axis department of hopper (110), fourth drive arrangement (130) set up the top of hopper (110), and with stirring cutter (120) transmission is connected.

9. The kitchen waste pulping treatment device according to claim 8, wherein: the crushing cutter (120) comprises a second transmission shaft (121) and a plurality of blades (122), wherein the second transmission shaft (121) is vertically arranged in the hopper (110) and is positioned at the central axis of the hopper (110), the blades (122) are perpendicular to the second transmission shaft (121), and the blades (122) are arranged at intervals along the axial direction of the second transmission shaft (121).

10. Kitchen waste pulping treatment equipment according to claim 9, characterized in that: the utility model discloses a discharge gate, including hopper (110), second transmission shaft (121) are inside hollow, along axial cartridge in second transmission shaft (121) have third transmission shaft (140), the both ends of third transmission shaft (140) all stretch out the terminal surface of second transmission shaft (121), third transmission shaft (140) are close to one end of fourth drive arrangement (130) with drive connection between fourth drive arrangement (130), third transmission shaft (140) are close to one end of discharge gate is towards the discharge gate extends to be equipped with and sweep flitch (150), sweep flitch (150) perpendicular to third transmission shaft (140) set up, third transmission shaft (140) can drive sweep flitch (150) around the axle removal, make sweep flitch (150) and sweep the top of discharge gate.