Screw press for kitchen waste

Abstract

The utility model relates to the technical field of garbage treatment, in particular to a spiral press for kitchen garbage, which not only crushes large solid garbage such as bones and the like to prevent the large solid garbage from damaging spiral blades, but also backwashes a filter screen to prevent the filter screen from being blocked and improves the separation efficiency. Comprising a separation mechanism; the device further comprises a crushing mechanism, a driving mechanism, a liquid discharging mechanism and a back flushing mechanism, the crushing mechanism is installed on the separating mechanism and crushes large garbage blocks, the driving mechanism is installed on the crushing mechanism and drives the crushing mechanism, and the liquid discharging mechanism is installed on the separating mechanism and accelerates discharging of liquid in the garbage. And the back flushing mechanism is mounted on the liquid discharging mechanism and is used for back flushing the filter screen.

Description

Technical Field

[0001] The utility model relates to the technical field of garbage disposal, in particular to a screw press for kitchen garbage. Background Art

[0002] Food waste includes catering waste and kitchen waste, which is mainly domestic waste generated by residents in the process of daily consumption. Food waste has a high water content, causing secondary pollution to the environment, polluting surface water and groundwater. In addition, the large amount of water in food waste is not conducive to the transportation of waste, and is even less conducive to the incineration of waste.

[0003] The existing spiral press for food waste, for example, a food waste press disclosed in the utility model patent application number 201921266231.1, has a main structure including a receiving bin, which is an open container at the upper end of an inverted quadrangular platform, a spiral pressing mechanism arranged obliquely, and a feed port at the lower end of the spiral pressing mechanism located in the receiving bin, the spiral pressing mechanism including a shell and a screw inside the shell, a liquid outlet provided on the surface of the shell, the liquid outlet being connected to a water filter, and a solid discharge port located at the top of the spiral pressing mechanism; when in use, the food waste to be squeezed is passed through the receiving bin The material receiving platform at the bin mouth is placed in the material receiving bin, and the food waste passes through the spiral pressing mechanism. As the frequency conversion motor on the spiral collecting pipe of the spiral pressing mechanism rotates, the screw is driven to rotate in the corresponding direction of rotation. At this time, the food waste will be driven by the spiral blades of the screw to squeeze and move upward, squeezing the moisture in the food waste. The moisture squeezed out in the food waste material pit flows along the liquid material pipeline of the spiral collecting pipe to the water filtration device. The moisture squeezed out in the mesh plate part will flow along the liquid material pipeline at the lower end of the mesh plate to the water filtration device. The liquid finally flows to the drain pipe outside the water filtration device, thereby being discharged.

[0004] However, there are some large pieces of solid waste such as bones in the kitchen waste, which can easily cause damage to the spiral blades if they enter the press directly. In addition, the filter screen on the existing press is easily clogged, which affects the pressing rate. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a spiral press for kitchen waste, which not only crushes large pieces of solid waste such as bones to prevent them from damaging the spiral blades, but also backwashes the filter to avoid clogging of the filter, thereby improving the separation efficiency.

[0006] The utility model discloses a spiral press for kitchen waste, comprising a separation mechanism, a crushing mechanism, a driving mechanism, a drainage mechanism and a recoil mechanism. The crushing mechanism is mounted on the separation mechanism and crushes large pieces of garbage. The driving mechanism is mounted on the crushing mechanism and drives the crushing mechanism. The drainage mechanism is mounted on the separation mechanism and accelerates the discharge of liquid in the garbage. The recoil mechanism is mounted on the drainage mechanism and backwashes the filter. The kitchen waste is fed into the crushing mechanism, and the driving mechanism is started. The driving mechanism drives the crushing mechanism to crush large pieces of bones and the like in the garbage to avoid damaging spiral blades. Then, the garbage enters the separation mechanism, the separation mechanism squeezes and transports the garbage, the liquid garbage enters the drainage mechanism and is discharged, and the recoil mechanism backwashes the filter to avoid affecting the solid-liquid separation rate.

[0007] Preferably, the separation mechanism includes a base, a variable diameter conveying cylinder, an electric motor, a first reducer, a first transmission shaft, a variable diameter spiral blade and a waste discharge pipe. The bottom end of the base is connected to the ground, the variable diameter conveying cylinder is installed on the base, a cavity is provided inside the variable diameter conveying cylinder, the motor is installed on the variable diameter conveying cylinder, the first reducer is installed on the variable diameter conveying cylinder, the first transmission shaft is rotatably installed in the cavity of the variable diameter conveying cylinder and is longitudinally connected to the first reducer, the variable diameter spiral blade is installed on the first transmission shaft, and the top of the waste discharge pipe is connected to the bottom end of the variable diameter conveying cylinder; the kitchen waste crushed in the crushing mechanism enters the cavity of the variable diameter conveying cylinder, the motor is started, the motor drives the first transmission shaft to rotate through the first reducer, the first transmission shaft drives the variable diameter spiral blade to extrude and transport upward, the liquid in the garbage enters the drainage mechanism, and the solid waste is discharged through the waste discharge pipe. The diameter change of the variable diameter conveying cylinder can enhance the extrusion effect.

[0008] Preferably, the crushing mechanism includes a crushing box, an upper hopper, two sets of rotating shafts, two sets of splints, and four sets of hydraulic cylinders. The bottom end of the crushing box is connected to the top end of the variable diameter conveying cylinder. The interior of the crushing box is provided with an inner cavity. The bottom end of the upper hopper is connected to the top end of the crushing box. The two sets of rotating shafts are rotatably installed in the inner cavity of the crushing box. The two sets of splints are respectively installed on the two sets of rotating shafts. The four sets of hydraulic cylinders are rotatably installed in the inner cavity of the crushing box and are respectively connected to the two sets of splints; the staff throws the kitchen waste into the upper hopper, and the garbage enters the inner cavity of the crushing box through the upper hopper. The driving mechanism drives the two sets of rotating shafts to rotate back and forth, and the two sets of rotating shafts drive the two sets of splints to rotate back and forth to open and close to extrude and crush the garbage. At the same time, the four sets of hydraulic cylinders push the two sets of splints to rotate, thereby enhancing the extrusion effect and crushing large pieces of garbage such as bones. The crushed garbage enters the cavity of the variable diameter conveying cylinder.

[0009] Preferably, the driving mechanism includes a stepper motor, a second reducer, a second transmission shaft, two sets of pulleys, belts and two sets of gears. The stepper motor is installed on the crushing box, the second reducer is installed on the crushing box, the second transmission shaft is installed on the second reducer, the two sets of pulleys are respectively installed on the rotating shaft and the second transmission shaft, the belt tensioning is installed between the two sets of pulleys, and the two sets of gears are respectively installed on the two sets of rotating shafts and meshing for transmission; starting the stepper motor, the stepper motor drives the second transmission shaft to rotate through the second reducer, the second transmission shaft drives the pulley connected to it to rotate, the pulley drives another set of pulleys and the rotating shaft connected to it to rotate through the belt, the rotating shaft drives the gear connected to it to rotate, and the two sets of gears mesh for transmission to cause the two sets of rotating shafts to rotate and open and close.

[0010] Preferably, the drainage mechanism includes a drainage pipe, a filter screen, a filter box, a water pump, a suction pipe and a drain pipe. The top end of the drainage pipe is connected to the bottom end of the variable diameter conveying cylinder, the filter screen is installed in the drainage pipe, the bottom end of the filter box is connected to the top end of the base and is connected to the inside of the drainage pipe, the bottom end of the water pump is connected to the top end of the base, the suction pipe is installed on the water pump and is connected to the inside of the filter box, and the drain pipe is installed on the water pump; the liquid garbage in the cavity of the variable diameter conveying cylinder enters the filter box through the drainage pipe, and the solid garbage is prevented from entering the drainage pipe by setting a filter screen. The filter box performs secondary filtration on the liquid garbage, and the water pump is started. The water pump draws out the liquid in the filter box through the suction pipe and discharges it through the drain pipe.

[0011] Preferably, the backflushing mechanism includes a connecting box, a partition, a sealing ring, an electric cylinder, a solenoid valve, a connecting hose and a nozzle. The connecting box is installed on the drain pipe and is connected to the inside of the drain pipe, the partition is installed in the connecting box and has a through hole, the sealing ring is installed in the through hole of the partition, the electric cylinder is installed in the connecting box, the solenoid valve is installed on the electric cylinder, the connecting hose is installed on the solenoid valve and is connected to the inside of the drain pipe, and the nozzle is installed on the solenoid valve and is connected to the inside of the connecting hose; the electric cylinder is started intermittently and the solenoid valve is opened, the electric cylinder pushes the nozzle into the drain pipe, and the liquid in the drain pipe is transported to the nozzle through the connecting hose. The nozzle sprays the liquid to backwash the filter to avoid clogging of the filter, and then the water pump is reset and the solenoid valve is closed to prevent liquid garbage from contaminating the nozzle. By setting a partition and a sealing ring, liquid garbage is prevented from entering the connecting box and causing damage to the electric cylinder and the solenoid valve.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the kitchen waste is thrown into the crushing mechanism, the driving mechanism is started, the driving mechanism drives the crushing mechanism to crush large bones and the like in the waste to avoid damaging the spiral blades, and then the waste enters the separation mechanism, the separation mechanism squeezes and transports the waste, the liquid waste enters the drainage mechanism and is discharged, and the backflushing mechanism backwashes the filter screen to avoid affecting the solid-liquid separation rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is an axonometric structural diagram of the present utility model;

[0014] Figure 2 This is a front cross-sectional structural diagram of the separation mechanism and the liquid discharge mechanism of the utility model;

[0015] Figure 3 This is a partially enlarged sectional axonometric structural diagram of the pulverizing mechanism of the utility model;

[0016] Figure 4 This is a partially enlarged axonometric structural diagram of the drive mechanism of the utility model;

[0017] Figure 5 It is a partially enlarged sectional axonometric structural diagram of the liquid discharge mechanism and the recoil mechanism of the utility model.

[0018] Markings in the accompanying drawings: 01, separation mechanism; 11, base; 12, variable diameter conveying cylinder; 13, motor; 14, first reducer; 15, first transmission shaft; 16, variable diameter spiral blade; 17, waste discharge pipe; 02, crushing mechanism; 21, crushing box; 22, upper hopper; 23, rotating shaft; 24, splint; 25, hydraulic cylinder; 03, driving mechanism; 31, stepping motor; 32, second reducer; 33, second transmission shaft; 34, pulley; 35, belt; 36, gear; 04, drainage mechanism; 41, drainage pipe; 42, filter screen; 43, filter box; 44, water pump; 45, suction pipe; 46, drain pipe; 05, backflush mechanism; 51, connecting box; 52, partition; 53, sealing ring; 54, electric cylinder; 55, solenoid valve; 56, connecting hose; 57, nozzle. DETAILED DESCRIPTION

[0019] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention. Example

[0020] The utility model is a spiral press for kitchen waste, comprising a separation mechanism 01; a crushing mechanism 02, a driving mechanism 03, a drainage mechanism 04 and a backwash mechanism 05. The crushing mechanism 02 is mounted on the separation mechanism 01 and crushes large pieces of waste. The driving mechanism 03 is mounted on the crushing mechanism 02 and drives the crushing mechanism 02. The drainage mechanism 04 is mounted on the separation mechanism 01 and accelerates the discharge of liquid in the waste. The backwash mechanism 05 is mounted on the drainage mechanism 04 and backwashes the filter screen. The separation mechanism 01 comprises a base 11, a variable diameter conveying cylinder 12, an electric motor 13, a first reducer 14, a first transmission shaft 15, a variable diameter spiral blade 16 and a waste discharge pipe 17. The base The bottom end of 11 is connected to the ground, the variable diameter conveying cylinder 12 is installed on the base 11, the interior of the variable diameter conveying cylinder 12 is provided with a cavity, the motor 13 is installed on the variable diameter conveying cylinder 12, the first reducer 14 is installed on the variable diameter conveying cylinder 12, the first transmission shaft 15 is rotatably installed in the cavity of the variable diameter conveying cylinder 12 and is longitudinally connected to the first reducer 14, the variable diameter spiral blade 16 is installed on the first transmission shaft 15, the top end of the waste pipe 17 is connected to the bottom end of the variable diameter conveying cylinder 12; the crushing mechanism 02 includes a crushing box 21, an upper hopper 22, two sets of rotating shafts 23, two sets of splints 24, and four sets of hydraulic cylinders 25. The bottom end of the crushing box 21 is connected to the top end of the variable diameter conveying cylinder 12. The interior of the crushing box 21 is provided with an inner cavity, the bottom end of the upper hopper 22 is connected to the top interior of the crushing box 21, the two sets of rotating shafts 23 are rotatably mounted in the inner cavity of the crushing box 21, the two sets of splints 24 are respectively mounted on the two sets of rotating shafts 23, and the four sets of hydraulic cylinders 25 are rotatably mounted in the inner cavity of the crushing box 21 and are respectively rotatably connected to the two sets of splints 24; the driving mechanism 03 includes a stepping motor 31, a second reducer 32, a second transmission shaft 33, two sets of pulleys 34, a belt 35 and two sets of gears 36, the stepping motor 31 is mounted on the crushing box 21, the second reducer 32 is mounted on the crushing box 21, the second transmission shaft 33 is mounted on the second reducer 32, and the two sets of pulleys 34 are respectively mounted on the It is mounted on the rotating shaft 23 and the second transmission shaft 33, and the belt 35 is tensioned and installed between the two sets of pulleys 34. The two sets of gears 36 are respectively installed on the two sets of rotating shafts 23 and meshed for transmission; the drainage mechanism 04 includes a drainage pipe 41, a filter screen 42, a filter box 43, a water pump 44, a water suction pipe 45 and a drain pipe 46. The top of the drainage pipe 41 is internally connected to the bottom end of the variable diameter conveying cylinder 12, the filter screen 42 is installed in the drainage pipe 41, the bottom end of the filter box 43 is connected to the top end of the base 11 and is connected to the inside of the drainage pipe 41, the bottom end of the water pump 44 is connected to the top end of the base 11, the water suction pipe 45 is installed on the water pump 44 and is connected to the inside of the filter box 43, and the drain pipe 46 is installed on the water pump 44;When it is working, first, the staff throws the kitchen waste into the upper hopper 22, and the waste enters the inner cavity of the crushing box 21 through the upper hopper 22, and starts the stepper motor 31. The stepper motor 31 drives the second transmission shaft 33 to rotate through the second reducer 32, and the second transmission shaft 33 drives the pulley 34 connected thereto to rotate, and the pulley 34 drives another set of pulleys 34 and the rotating shaft 23 connected thereto to rotate through the belt 35, and the rotating shaft 23 drives the gear 36 connected thereto to rotate, and the two sets of gears 36 mesh and transmit the two sets of rotating shafts 23 to rotate and open and close, and the two sets of rotating shafts 23 drive the two sets of splints 24 to rotate back and forth to squeeze and crush the waste. At the same time, the four sets of hydraulic cylinders 25 push the two sets of splints 24 to rotate, thereby enhancing the squeezing effect. Large pieces of garbage, such as bones, are crushed and enter the cavity of the variable diameter conveyor drum 12. The motor 13 is started, which drives the first transmission shaft 15 to rotate via the first reducer 14. The first transmission shaft 15 drives the variable diameter spiral blade 16 upward to squeeze and convey the liquid garbage in the cavity of the variable diameter conveyor drum 12 through the drainage pipe 41 and into the filter box 43. A filter screen 42 is provided to prevent solid garbage from entering the drainage pipe 41. The filter box 43 performs a secondary filtration on the liquid garbage. The water pump 44 is started and pumps the liquid in the filter box 43 through the pumping pipe 45. The liquid is discharged through the drain pipe 46. The solid waste is discharged through the waste pipe 17. The variable diameter of the variable diameter conveyor drum 12 enhances the squeezing effect. Example

[0021] like Figures 1 to 5As shown, a screw press for kitchen waste of the present invention is based on Example 1; the recoil mechanism 05 includes a connection box 51, a partition 52, a sealing ring 53, an electric cylinder 54, a solenoid valve 55, a connecting hose 56 and a nozzle 57. The connection box 51 is installed on the drain pipe 41 and is connected to the inside of the drain pipe 41. The partition 52 is installed in the connection box 51 and has a through hole. The sealing ring 53 is installed in the through hole of the partition 52. The electric cylinder 54 is installed in the connection box 51. The solenoid valve 55 is installed on the electric cylinder 54. The connecting hose 56 is installed on the solenoid valve 55 and is connected to the inside of the drain pipe 46. The nozzle 57 is installed on the solenoid valve 55 and is connected to the connecting hose 56. Internally connected; when it is working, first, the staff throws the kitchen waste into the upper hopper 22, and the waste enters the inner cavity of the crushing box 21 through the upper hopper 22, and starts the stepper motor 31. The stepper motor 31 drives the second transmission shaft 33 to rotate through the second reducer 32, and the second transmission shaft 33 drives the pulley 34 connected thereto to rotate, and the pulley 34 drives another set of pulleys 34 and the rotating shaft 23 connected thereto to rotate through the belt 35, and the rotating shaft 23 drives the gear 36 connected thereto to rotate, and the two sets of gears 36 mesh with each other to drive the two sets of rotating shafts 23 to rotate and open and close, and the two sets of rotating shafts 23 drive the two sets of splints 24 to rotate back and forth to open and close to squeeze and crush the waste. At the same time, the four groups of hydraulic cylinders 25 push the two groups of splints 24 to rotate, thereby enhancing the squeezing effect and crushing large pieces of garbage such as bones. The crushed garbage enters the cavity of the variable diameter conveying cylinder 12, and the motor 13 is started. The motor 13 drives the first transmission shaft 15 to rotate through the first reducer 14, and the first transmission shaft 15 drives the variable diameter spiral blade 16 to squeeze and convey upward. The liquid garbage in the cavity of the variable diameter conveying cylinder 12 enters the filter box 43 through the drainage pipe 41. The filter screen 42 is provided to prevent solid garbage from entering the drainage pipe 41. The filter box 43 performs secondary filtration on the liquid garbage, and the water pump 44 is started. The water pump 44 pumps the liquid in the filter box 43 through the pumping pipe 45. The liquid is extracted and discharged through the drain pipe 46, and the solid waste is discharged through the waste pipe 17. The diameter change of the variable-diameter conveying cylinder 12 can enhance the squeezing effect. The electric cylinder 54 is started intermittently and the solenoid valve 55 is opened. The electric cylinder 54 pushes the nozzle 57 into the drain pipe 41. The liquid in the drain pipe 46 is transported to the nozzle 57 through the connecting hose 56. The nozzle 57 sprays the liquid to backwash the filter 42 to prevent the filter 42 from being blocked. Then the water pump 45 is reset and the solenoid valve 55 is closed to prevent liquid garbage from contaminating the nozzle 57. The partition 52 and the sealing ring 53 are provided to prevent liquid garbage from entering the connection box 51 and causing damage to the electric cylinder 54 and the solenoid valve 55.

[0022] The electric motor 13, the first reducer 14, the stepper motor 31, the second reducer 32 and the water pump 44 of the utility model are purchased on the market. Technicians in this industry only need to install and operate them according to the accompanying instruction manuals without the need for creative work by technicians in this field.

[0023] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A screw press for kitchen waste, comprising a separation mechanism (01); characterized in that: The utility model also includes a crushing mechanism (02), a driving mechanism (03), a drainage mechanism (04) and a backwash mechanism (05), wherein the crushing mechanism (02) is mounted on the separation mechanism (01) and crushes large pieces of garbage, the driving mechanism (03) is mounted on the crushing mechanism (02) and drives the crushing mechanism (02), the drainage mechanism (04) is mounted on the separation mechanism (01) and accelerates the discharge of liquid in the garbage, and the backwash mechanism (05) is mounted on the drainage mechanism (04) and backwashes the filter screen.

2. A screw press for kitchen waste according to claim 1, characterized in that: The separation mechanism (01) comprises a base (11), a variable diameter conveying cylinder (12), a motor (13), a first reducer (14), a first transmission shaft (15), a variable diameter spiral blade (16) and a waste discharge pipe (17). The bottom end of the base (11) is connected to the ground, the variable diameter conveying cylinder (12) is mounted on the base (11), a cavity is provided inside the variable diameter conveying cylinder (12), the motor (13) is mounted on the variable diameter conveying cylinder (12), the first reducer (14) is mounted on the variable diameter conveying cylinder (12), the first transmission shaft (15) is rotatably mounted in the cavity of the variable diameter conveying cylinder (12) and is longitudinally connected to the first reducer (14), the variable diameter spiral blade (16) is mounted on the first transmission shaft (15), and the top end of the waste discharge pipe (17) is communicated with the bottom end of the variable diameter conveying cylinder (12).

3. The spiral press for kitchen waste according to claim 2, characterized in that: The crushing mechanism (02) includes a crushing box (21), an upper hopper (22), two sets of rotating shafts (23), two sets of clamping plates (24), and four sets of hydraulic cylinders (25). The bottom end of the crushing box (21) is connected to the top end of the variable diameter conveying cylinder (12). The crushing box (21) is provided with an inner cavity. The bottom end of the upper hopper (22) is connected to the top end of the crushing box (21). The two sets of rotating shafts (23) are rotatably mounted in the inner cavity of the crushing box (21). The two sets of clamping plates (24) are respectively mounted on the two sets of rotating shafts (23). The four sets of hydraulic cylinders (25) are rotatably mounted in the inner cavity of the crushing box (21) and are respectively rotatably connected to the two sets of clamping plates (24).

4. A screw press for kitchen waste according to claim 3, characterized in that: The driving mechanism (03) includes a stepper motor (31), a second speed reducer (32), a second transmission shaft (33), two sets of pulleys (34), a belt (35) and two sets of gears (36). The stepper motor (31) is mounted on the crushing box (21), the second speed reducer (32) is mounted on the crushing box (21), the second transmission shaft (33) is mounted on the second speed reducer (32), the two sets of pulleys (34) are respectively mounted on the rotating shaft (23) and the second transmission shaft (33), the belt (35) is tensioned and mounted between the two sets of pulleys (34), and the two sets of gears (36) are respectively mounted on the two sets of rotating shafts (23) and meshed for transmission.

5. The spiral press for kitchen waste according to claim 2, characterized in that: The drainage mechanism (04) includes a drainage pipe (41), a filter screen (42), a filter box (43), a water pump (44), a water pump (45) and a drainage pipe (46). The top end of the drainage pipe (41) is connected to the bottom end of the variable diameter conveying cylinder (12). The filter screen (42) is installed in the drainage pipe (41). The bottom end of the filter box (43) is connected to the top end of the base (11) and is connected to the inside of the drainage pipe (41). The bottom end of the water pump (44) is connected to the top end of the base (11). The water pump (45) is installed on the water pump (44) and is connected to the inside of the filter box (43). The drainage pipe (46) is installed on the water pump (44).

6. The spiral press for kitchen waste according to claim 5, characterized in that: The recoil mechanism (05) includes a connection box (51), a partition (52), a sealing ring (53), an electric cylinder (54), a solenoid valve (55), a connecting hose (56) and a nozzle (57). The connection box (51) is installed on the drain pipe (41) and is connected to the inside of the drain pipe (41). The partition (52) is installed in the connection box (51) and has a through hole. The sealing ring (53) is installed in the through hole of the partition (52). The electric cylinder (54) is installed in the connection box (51). The solenoid valve (55) is installed on the electric cylinder (54). The connecting hose (56) is installed on the solenoid valve (55) and is connected to the inside of the drain pipe (46). The nozzle (57) is installed on the solenoid valve (55) and is connected to the inside of the connecting hose (56).

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