Mechanical crusher for kitchen garbage in school canteen

By employing a two-way crushing and screen plate water control design, the problem of uneven particle size in kitchen waste is solved, achieving more uniform crushing and moisture control, and improving processing efficiency.

CN223683486UActive Publication Date: 2025-12-19孙振玲
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Patent Information

Application Number
CN202422622768.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-12-19
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

Existing food waste shredders produce unevenly sized food waste particles during the shredding process, which affects subsequent processing.

Method used

It adopts a two-way crushing design, using a combination of die, spiral blade and blade. The spiral blade presses the waste into the die edge and crushes it. Multiple through holes compress it into long strips, and the blade cuts it into fine particles. Combined with screen plate and vacuum system to control water.

Benefits of technology

This achieves improved uniformity of kitchen waste particles, increased discharge efficiency, reduced moisture content, and facilitates subsequent processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of kitchen garbage treatment, in particular to a mechanical crusher for kitchen garbage in school canteens, which crushes the kitchen garbage from two directions, so that the kitchen garbage is uniform in particle and good in practicability. Comprising a box body and a feeding hopper, the feeding hopper is installed on the box body, and the feeding hopper communicates with the upper portion of a processing cavity of the box body; the cutting die is installed in the middle of the treatment cavity of the box body, a plurality of through holes are formed in the cutting die, cutting edges are arranged on the upper edges of the through holes, the first gear motor is installed on the box body, the stirring shaft is vertically and rotatably installed in the treatment cavity of the box body, and the spiral blades are installed on the stirring shaft. The upper end of the stirring shaft is in transmission connection with an output shaft of the first gear motor, the stirring shaft penetrates through the cutting die, the spiral blade is installed on the upper portion of the stirring shaft, the lower end of the spiral blade makes contact with the upper end face of the cutting die in a scraping mode, the blades are installed on the lower portion of the stirring shaft, and cutting edges of the blades scrape the lower end face of the cutting die.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of kitchen garbage treatment, especially to a school canteen kitchen garbage mechanical crusher. BACKGROUND

[0002] Kitchen garbage contains very high moisture and organic matter, and is very easy to rot and produce foul odor. The prior art discloses a kitchen garbage crusher, which comprises a supporting box, a receiving flared mouth, a crushing component and a conical funnel. The upper end of the supporting box is fixedly connected with the receiving flared mouth. The crushing component is arranged in the supporting box. The crushing component crushes the kitchen garbage through rigid contact. The crushing component can gather the kitchen garbage at the position of the crushing component. The conical funnel is fixedly connected with the lower end of the supporting box. The kitchen garbage crusher has the advantage of being capable of crushing large garbage.

[0003] However, the kitchen garbage mechanical crusher has the limitation of the shape and position of the crushing teeth on the crushing roller when crushing the garbage. The kitchen garbage is only crushed in the middle of the crushing roller, resulting in uneven particles of the kitchen garbage after crushing, which is not conducive to subsequent processing. SUMMARY

[0004] To solve the above technical problems, the utility model provides a kitchen garbage mechanical crusher which can crush kitchen garbage from two directions, making the kitchen garbage particles uniform and practical.

[0005] The kitchen garbage mechanical crusher comprises a box body and a feeding hopper. The inside of the box body is provided with a treatment chamber. The feeding hopper is installed on the box body and is in communication with the upper part of the treatment chamber of the box body. The kitchen garbage mechanical crusher further comprises a cutter mold, a first speed reducer, a stirring shaft, a spiral blade and a plurality of blades. The cutter mold is installed in the middle of the treatment chamber of the box body. The cutter mold is provided with a plurality of through holes. The upper edge of the through hole is provided with a cutting edge. The first speed reducer is installed on the box body. The stirring shaft is vertically rotatably installed in the treatment chamber of the box body. The upper end of the stirring shaft is in transmission connection with the output shaft of the first speed reducer. The stirring shaft penetrates through the cutter mold. The spiral blade is installed on the upper part of the stirring shaft. The lower end of the spiral blade is in scraping contact with the upper end face of the cutter mold. The plurality of blades are installed on the lower part of the stirring shaft. The cutting edges of the plurality of blades scrape the lower end face of the cutter mold. When working, the first speed reducer drives the stirring shaft to rotate. The stirring shaft drives the spiral blade and the plurality of blades to rotate. The kitchen garbage is added into the treatment chamber of the box body through the feeding hopper. The spiral blade presses the kitchen garbage against the upper end face of the cutter mold, so that the kitchen garbage is cut by the cutting edge of the cutter mold and is pressed into the plurality of through holes of the cutter mold. The plurality of through holes extrude the kitchen garbage into long strips. The long strips of the kitchen garbage passing through the plurality of through holes are cut into granular particles by the plurality of blades. The kitchen garbage is crushed in two directions, so that the particles of the kitchen garbage after crushing are more uniform, which is conducive to subsequent processing and has good practicability.

[0006] Preferably, the box further comprises a ring-shaped seat mounted on the inner wall of the middle part of the processing chamber of the box, and the cutter die is mounted in the processing chamber of the box through the ring-shaped seat; the ring-shaped seat supports the cutter die, improves the stability of the cutter die, facilitates replacement of the cutter die, and has good practicability.

[0007] Preferably, the box further comprises a discharge pipe, a gate plate, and a push cylinder one, the discharge pipe is mounted on the bottom side wall of the box and communicates with the processing chamber of the box, the gate plate is movably inserted into the output port of the discharge pipe, the fixed end of the push cylinder one is mounted on the gate plate, and the piston rod of the push cylinder one is connected with the discharge pipe; when the kitchen waste particles need to be discharged, the piston rod of the push cylinder one is elongated to pull out the gate plate from the discharge pipe, so that the output port of the discharge pipe is opened, the kitchen waste particles at the bottom of the processing chamber of the box are conveniently discharged through the discharge pipe, and the box has good practicability.

[0008] Preferably, the box further comprises a plurality of arc-shaped push plates, the plurality of arc-shaped push plates are uniformly mounted on the lower end of the stirring shaft in a circumferential direction, and the plurality of arc-shaped push plates scrape the bottom and the side wall of the processing chamber of the box; the stirring shaft drives the plurality of arc-shaped push plates to rotate, the plurality of arc-shaped push plates push the kitchen waste at the bottom of the processing chamber of the box to the discharge pipe, and the efficiency of discharging the kitchen waste is improved.

[0009] Preferably, the box further comprises a bearing seat, a plurality of sieve plates, a plurality of bevel gears one, a bevel gear ring, a motor two, and a bevel gear two, the bearing seat is rotatably mounted on the lower part of the stirring shaft, the inner ends of the plurality of sieve plates are respectively rotatably connected with the bearing seat through rotating shafts one, the outer ends of the plurality of sieve plates are respectively rotatably connected with the side wall of the box through rotating shafts two, the plurality of sieve plates constitute a complete circular sieve plate when being horizontal, the rotating shafts two of the plurality of sieve plates are concentrically installed with the plurality of bevel gears one, the bevel gear ring is rotatably mounted on the outer wall of the box, the bevel gear ring is engaged with the plurality of bevel gears one, the motor two is mounted on the outer wall of the box, the output shaft of the motor two is concentrically installed with the bevel gear two, and the bevel gear two is engaged with the bevel gear ring; the plurality of sieve plates are rotated to the horizontal state to constitute a complete circular sieve plate, the circular sieve plate separates the lower part and the bottom of the processing chamber of the box, so that the plurality of sieve plates receive the kitchen waste particles, the moisture in the kitchen waste particles falls to the bottom of the processing chamber of the box through the sieve holes of the plurality of sieve plates, the moisture of the kitchen waste is reduced, the moisture is pushed by the plurality of arc-shaped push plates and discharged through the discharge pipe, after water control is completed, the motor two drives the bevel gear two to rotate, the bevel gear two is engaged to drive the bevel gear ring to rotate, the bevel gear ring is engaged to drive the plurality of bevel gears one to rotate, the plurality of bevel gears one respectively drive the plurality of sieve plates to rotate, so that the plurality of sieve plates are rotated to the vertical state, the kitchen waste particles on the plurality of sieve plates slide to the bottom of the processing chamber of the box, and the plurality of arc-shaped push plates discharge the kitchen waste particles through the discharge pipe, so as to reduce the water content of the kitchen waste, facilitate subsequent processing, and have good practicability.

[0010] Preferably, the vacuum joint is arranged at the lower part of the side wall of the box body, and the input end of the vacuum joint is located between the plurality of sieve plates and the bottom of the box body; when the plurality of sieve plates receive the kitchen garbage, the vacuum joint is connected with an external vacuum system, so that the vacuum system can draw out the air in the treatment chamber between the plurality of sieve plates and the bottom of the box body through the vacuum joint, thereby improving the water control efficiency of the kitchen garbage on the plurality of sieve plates.

[0011] Compared with the prior art, the utility model has the advantages that: when working, the reduction motor one drives the stirring shaft to rotate, the stirring shaft drives the spiral blade and the plurality of blades to rotate, the kitchen garbage is added into the treatment chamber of the box body through the feeding hopper, the spiral blade compacts the kitchen garbage towards the upper end face of the cutter die, so that the kitchen garbage is cut by the cutting edge on the cutter die and is pressed into the plurality of through holes of the cutter die, the plurality of through holes extrude the kitchen garbage into long strips, the long strips of the kitchen garbage passing through the plurality of through holes are cut into granular particles by the plurality of blades, the kitchen garbage is broken in two directions, the particles of the broken kitchen garbage are more uniform, which is beneficial to subsequent treatment, and the utility model has good practicability. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is the front section view structure schematic diagram of the utility model;

[0013] Figure 2 is the local section view structure schematic diagram of the utility model;

[0014] Figure 3 is the isometric structure schematic diagram of the utility model;

[0015] Figure 4 is the structure schematic diagram of the reduction motor one, the stirring shaft, the spiral blade, the blade and the arc-shaped push plate and the like structure;

[0016] Figure 5 is the structure schematic diagram of the cutter die and the like structure;

[0017] Figure 6 is the structure schematic diagram of the bearing seat, the sieve plate, the bevel gear one, the bevel gear ring, the motor two and the bevel gear two and the like structure.

[0018] Markings in the drawings: 1, box body; 2, feeding hopper; 3, cutter die; 4, reduction motor one; 5, stirring shaft; 6, spiral blade; 7, blade; 8, annular seat; 9, discharge pipe; 10, gate; 11, push cylinder one; 12, arc-shaped push plate; 13, bearing seat; 14, sieve plate; 15, bevel gear one; 16, bevel gear ring; 17, motor two; 18, bevel gear two; 19, vacuum joint. DETAILED DESCRIPTION

[0019] For the convenience of understanding the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Embodiment 1

[0020] As Figures 1 to 5 shown, a kitchen garbage mechanical crusher, including box 1 and feeding hopper 2, the inside of box 1 is provided with processing chamber, feeding hopper 2 is installed on box 1, feeding hopper 2 is communicated with the upper portion of the processing chamber of box 1;Still include knife mould 3, reduction motor one 4, stirring shaft 5, spiral blade 6 and multiple blades 7, knife mould 3 is installed in the middle part of the processing chamber of box 1, knife mould 3 is provided with multiple through holes, the upper edge of the through hole is provided with blade edge, reduction motor one 4 is installed on box 1, stirring shaft 5 is vertically rotatably installed in the processing chamber of box 1, the upper end of stirring shaft 5 is drivingly connected with the output shaft of reduction motor one 4, stirring shaft 5 passes through knife mould 3, spiral blade 6 is installed in the upper portion of stirring shaft 5, the lower end of spiral blade 6 is in scraping contact with the upper end surface of knife mould 3, multiple blades 7 are installed in the lower portion of stirring shaft 5, the blade edge of multiple blades 7 is in scraping contact with the lower end surface of knife mould 3;Still include annular seat 8, annular seat 8 is installed on the inner wall of the middle part of the processing chamber of box 1, knife mould 3 is installed in the processing chamber of box 1 by annular seat 8;Still include discharge pipe 9, gate 10 and push cylinder one 11, the bottom side wall of box 1 is installed discharge pipe 9, discharge pipe 9 is communicated with the processing chamber of box 1, gate 10 is movably inserted in the output port of discharge pipe 9, the fixed end of push cylinder one 11 is installed on gate 10, the piston rod of push cylinder one 11 is connected with discharge pipe 9;Still include multiple arc-shaped push plates 12, the lower end circumference of stirring shaft 5 is uniformly installed multiple arc-shaped push plates 12, multiple arc-shaped push plates 12 scrape the bottom and side wall of the processing chamber of box 1.

[0021] In operation, the annular seat 8 supports the cutter die 3, improves the stability of the cutter die 3, facilitates the replacement of the cutter die 3, the reduction motor 4 drives the stirring shaft 5 to rotate, the stirring shaft 5 drives the spiral blade 6 and the plurality of blades 7 to rotate, the kitchen waste is added into the processing chamber of the box body 1 through the feeding hopper 2, the spiral blade 6 compacts the kitchen waste towards the upper end face of the cutter die 3, so that the kitchen waste is cut by the cutting edges on the cutter die 3 and is pressed into the plurality of through holes of the cutter die 3, the plurality of through holes extrude the kitchen waste into long strips, the kitchen waste long strips passing through the plurality of through holes are cut into granular particles by the plurality of blades 7, the kitchen waste is broken in two directions, the particles of the kitchen waste after breaking are more uniform, which is beneficial to subsequent processing, when the kitchen waste particles need to be discharged, the piston rod of the push cylinder 11 is elongated to pull out the gate plate 10 from the discharge pipe 9, so that the output opening of the discharge pipe 9 is opened, the stirring shaft 5 drives the plurality of arc-shaped push plates 12 to rotate, the plurality of arc-shaped push plates 12 push the kitchen waste at the bottom of the processing chamber of the box body 1 towards the discharge pipe 9, which facilitates the kitchen waste particles at the bottom of the processing chamber of the box body 1 to be discharged through the discharge pipe 9, and improves the discharge efficiency of the kitchen waste. Example 2

[0022] As shown in Figure 1 , Figure 2 and Figure 6 , on the basis of example 1, further comprising a bearing seat 13, a plurality of sieve plates 14, a plurality of bevel gears 15, a bevel gear ring 16, a motor 17 and a bevel gear 18, the bearing seat 13 is rotatably installed at the lower part of the stirring shaft 5, the inner ends of the plurality of sieve plates 14 are rotatably connected with the bearing seat 13 through rotating shafts 1 respectively, the outer ends of the plurality of sieve plates 14 are rotatably connected with the side wall of the box body 1 through rotating shafts 2 respectively, the plurality of sieve plates 14 constitute a complete circular sieve plate when they are horizontal, the rotating shafts 2 of the plurality of sieve plates 14 are concentrically installed with the plurality of bevel gears 15, the bevel gear ring 16 is rotatably installed on the outer wall of the box body 1, the bevel gear ring 16 is engaged with the plurality of bevel gears 15, the motor 17 is installed on the outer wall of the box body 1, the output shaft of the motor 17 is concentrically installed with the bevel gear 18, the bevel gear 18 is engaged with the bevel gear ring 16; further comprising a vacuum connector 19, the vacuum connector 19 is installed at the lower part of the side wall of the box body 1, the input end of the vacuum connector 19 is located between the plurality of sieve plates 14 and the bottom of the box body 1.

[0023] The plurality of sieve plates 14 are rotated to the horizontal state to form a complete circular sieve plate, the circular sieve plate separates the lower part and the bottom of the processing chamber of the box body 1, the plurality of sieve plates 14 receive the kitchen garbage particles, the vacuum joint 19 is connected with an external vacuum system, the vacuum system is connected with the vacuum joint 19, air in the processing chamber between the plurality of sieve plates 14 and the bottom of the box body 1 is extracted by the vacuum joint 19, the water control efficiency of the kitchen garbage on the plurality of sieve plates 14 is improved, the water in the kitchen garbage particles falls to the bottom of the processing chamber of the box body 1 through the sieve holes of the plurality of sieve plates 14, the water content of the kitchen garbage is reduced, the water is pushed by the plurality of arc-shaped push plates 12 and discharged through the discharge pipe 9, after the water control is completed, the motor two 17 drives the bevel gear two 18 to rotate, the bevel gear two 18 is engaged to drive the bevel gear ring 16 to rotate, the bevel gear ring 16 is engaged to drive the plurality of bevel gears one 15 to rotate, the plurality of bevel gears one 15 drive the plurality of sieve plates 14 to rotate respectively, so that the plurality of sieve plates 14 are rotated to the vertical state, so that the kitchen garbage particles on the plurality of sieve plates 14 slide to the bottom of the processing chamber of the box body 1, the plurality of arc-shaped push plates 12 discharge the kitchen garbage particles through the discharge pipe 9, thereby reducing the water content of the kitchen garbage, facilitating subsequent processing and being good in practicability.

[0024] As Figures 1 to 6 shown, the kitchen garbage mechanical crusher of the utility model, in working, first, the plurality of sieve plates 14 are rotated to the horizontal state to form a complete circular sieve plate, the circular sieve plate separates the lower part and the bottom of the processing chamber of the box body 1, the speed reducer one 4 drives the stirring shaft 5 to rotate, the stirring shaft 5 drives the spiral blade 6 and the plurality of blades 7 to rotate, then the kitchen garbage is added to the processing chamber of the box body 1 through the feeding hopper 2, the spiral blade 6 compacts the kitchen garbage to the upper end face of the cutter die 3, so that the kitchen garbage is cut by the cutting edge on the cutter die 3 and is pressed into the plurality of through holes of the cutter die 3, the plurality of through holes extrude the kitchen garbage into long strip shape, then the kitchen garbage long strip passing through the plurality of through holes is cut into broken particle shape by the plurality of blades 7, the plurality of sieve plates 14 receive the kitchen garbage particles, the vacuum system extracts air in the processing chamber between the plurality of sieve plates 14 and the bottom of the box body 1 through the vacuum joint 19, so that the water in the kitchen garbage particles falls to the bottom of the processing chamber of the box body 1 through the sieve holes of the plurality of sieve plates 14, the water content of the kitchen garbage is reduced, the water is pushed by the plurality of arc-shaped push plates 12 and is discharged through the discharge pipe 9, finally, after the water control is completed, the motor two 17 drives the bevel gear two 18 to rotate, the bevel gear two 18 is engaged to drive the bevel gear ring 16 to rotate, the bevel gear ring 16 is engaged to drive the plurality of bevel gears one 15 to rotate, the plurality of bevel gears one 15 drive the plurality of sieve plates 14 to rotate respectively, so that the plurality of sieve plates 14 are rotated to the vertical state, so that the kitchen garbage particles on the plurality of sieve plates 14 slide to the bottom of the processing chamber of the box body 1, the plurality of arc-shaped push plates 12 discharge the kitchen garbage particles through the discharge pipe 9.

[0025] The main functions realized by the utility model are:

[0026] 1. The kitchen garbage mechanical crusher can make kitchen garbage particles uniform and has good practicability by crushing kitchen garbage from two directions.

[0027] 2. The material guide plate improves the kitchen garbage particle discharge efficiency.

[0028] 3. The kitchen garbage can be controlled to reduce the water content of the kitchen garbage.

[0029] The installation mode, connection mode or setting mode of the kitchen garbage mechanical crusher are common mechanical modes, and any mode that can achieve the beneficial effects can be implemented. The box 1, the feeding hopper 2, the cutter 3, the speed reducer motor 4, the spiral blade 6, the blade 7, the gate 10, the push cylinder 11, the bearing seat 13, the sieve plate 14, the bevel gear 15, the bevel gear ring 16, the motor 17, the bevel gear 18 and the vacuum connector 19 of the kitchen garbage mechanical crusher are purchased on the market, and the technical personnel in the industry only need to install and operate according to the attached instruction manual, without the need for the technical personnel in the field to pay creative labor.

[0030] All technical and scientific terms used in this document have the same meaning as understood by the technical personnel in the technical field of the utility model. The terms used in the specification of the utility model are only for the purpose of describing the specific embodiments, and are not intended to limit the utility model. The term "and / or" used in this document includes any and all combinations of one or more related listed items.

[0031] The above is only the preferred embodiment of the utility model, and it should be noted that for ordinary technical personnel in the technical field, without departing from the technical principle of the utility model, a number of improvements and modifications can be made, and these improvements and modifications should be considered as the protection range of the utility model.

Claims

1. A school canteen kitchen waste mechanical crusher, comprising a box (1) and a feeding hopper (2), the inside of the box (1) is provided with a treatment chamber, the feeding hopper (2) is installed on the box (1), and the feeding hopper (2) is in communication with the upper part of the treatment chamber of the box (1); characterized in that, Also include knife mold (3), reduction motor one (4), stirring shaft (5), spiral blade (6) and multiple blades (7), knife mold (3) is installed in the middle of the processing chamber of the box (1), knife mold (3) is provided with multiple through holes, the upper edge of the through hole is provided with a blade, reduction motor one (4) is installed on the box (1), stirring shaft (5) is vertically rotatably installed in the processing chamber of the box (1), the upper end of stirring shaft (5) is in transmission connection with the output shaft of reduction motor one (4), stirring shaft (5) passes through knife mold (3), spiral blade (6) is installed on the upper part of stirring shaft (5), the lower end of spiral blade (6) is in scraping contact with the upper end surface of knife mold (3), multiple blades (7) are installed on the lower part of stirring shaft (5), the blade of multiple blades (7) scrapes the lower end surface of knife mold (3).

2. A school cafeteria kitchen waste mechanical shredder as claimed in claim 1, characterized in that, Also include annular seat (8), annular seat (8) is installed on the inner wall of the middle of the processing chamber of the box (1), knife mold (3) is installed in the processing chamber of the box (1) through annular seat (8).

3. A school cafeteria kitchen waste mechanical shredder as claimed in claim 1, characterized in that, Also include discharge pipe (9), gate (10) and push cylinder one (11), the bottom side wall of the box (1) is installed with discharge pipe (9), discharge pipe (9) is communicated with the processing chamber of the box (1), gate (10) is movably inserted in the output port of discharge pipe (9), the fixed end of push cylinder one (11) is installed on gate (10), the piston rod of push cylinder one (11) is connected with discharge pipe (9).

4. A school cafeteria kitchen waste mechanical shredder as claimed in claim 1, characterized in that, Also include multiple arc-shaped paddles (12), multiple arc-shaped paddles (12) are uniformly installed on the lower end circumference of stirring shaft (5), multiple arc-shaped paddles (12) scrape the bottom and side wall of the processing chamber of the box (1).

5. A school cafeteria kitchen waste mechanical shredder as claimed in claim 1, wherein, Also include bearing seat (13), multiple sieve plates (14), multiple bevel gears one (15), bevel gear ring (16), motor two (17) and bevel gears two (18), bearing seat (13) is rotatably installed on the lower part of stirring shaft (5), the inner ends of multiple sieve plates (14) are respectively rotatably connected with bearing seat (13) through rotating shaft one, the outer ends of multiple sieve plates (14) are respectively rotatably connected with the side wall of the box (1) through rotating shaft two, multiple sieve plates (14) constitute a complete circular sieve plate when horizontal, the rotating shaft two of multiple sieve plates (14) are concentrically installed with bevel gears one (15), bevel gear ring (16) is rotatably installed on the outer wall of the box (1), bevel gear ring (16) is engaged with multiple bevel gears one (15), motor two (17) is installed on the outer wall of the box (1), the output shaft of motor two (17) is concentrically installed with bevel gears two (18), bevel gears two (18) are engaged with bevel gear ring (16).

6. A school cafeteria food waste mechanical shredder as claimed in claim 5, wherein, Also include vacuum connector (19), vacuum connector (19) is installed on the lower part of the side wall of the box (1), the input end of vacuum connector (19) is located between multiple sieve plates (14) and the bottom of the box (1).

Citation Information

Patent Citations

  • Kitchen garbage crushing mechanism

    CN221638246U