Kitchen waste extrusion equipment

By installing an aperture adjustment component in the food waste compression equipment, the problem of limited drainage effect caused by fixed screen aperture is solved. This allows for flexible adjustment of the aperture according to the size of the food waste particles, improving the adaptability and ease of operation of the equipment.

CN223864421UActive Publication Date: 2026-02-03CHONGQING YUHUAN BIO-ENERGY CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520071988.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2026-02-03
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

Existing food waste compression equipment cannot adjust the screen aperture according to the size of the food waste particles, resulting in a single drainage effect and insufficient practicality.

Method used

A kitchen waste compression device was designed. By setting an aperture adjustment component on the outside of the screen and using a moving mechanism to change the size of the screen aperture, it can adapt to the drainage requirements of different particulate materials.

Benefits of technology

It enables flexible adjustment of the screen mesh size according to the size of the food waste particles, improving the adaptability and ease of operation of the equipment and enhancing the drainage effect.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223864421U_ABST
    Figure CN223864421U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of waste extrusion, and discloses kitchen waste extrusion equipment which comprises a base, a supporting frame, a liquid outlet pipe, a spiral extrusion roller, a screen, a feeding pipe and a residue outlet pipe, a plurality of inner holes are formed in the surface of the screen in a penetrating mode, and the outer wall of the spiral extrusion roller is sleeved with and fixedly connected with two fixing rings. The two fixing rings are located between the feeding pipe and the slag discharging pipe, and the upper surface of one end of the supporting frame is connected with a moving mechanism. According to the kitchen waste extrusion equipment, when a user extrudes kitchen waste through the extrusion equipment, the position of the hole diameter adjusting assembly can be changed through the moving mechanism according to different particle sizes of the kitchen waste, then the hole diameter of inner holes of a screen can be changed, and therefore the drainage speed can be changed; the kitchen waste drainage device is convenient and easy to operate and has higher practicability.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of waste compression technology, specifically a kitchen waste compression device. Background Technology

[0002] Food waste refers to waste generated during food processing and consumption, mainly including food scraps, food processing waste, expired food, and waste cooking oil. As a specialized piece of machinery for processing food waste, the main function of food waste extrusion equipment is to physically dehydrate the waste. This involves using mechanical pressure to squeeze out the water from the waste, thereby reducing its water content, weight, and volume, facilitating transportation and further processing. Currently, screw extruders are commonly used.

[0003] The structural principle of a screw extruder is as follows: the motor drives the main shaft of the screw extruder to transport the material to the pressing area. The screw thrust is transmitted to the material in contact with it. The back cone and the fixed screen form a relatively closed cavity, and the water in the material is squeezed out through the pressing method.

[0004] Patent CN218224013U discloses a screw extruder for kitchen waste, including a support frame with a screw processing cylinder mounted on it. A screw rod assembly is mounted on the screw processing cylinder. Feed hoppers and liquid outlet pipes are installed at the upper and lower ends of the screw processing cylinder. A collection shell is connected to the end of the screw processing cylinder, and the bottom end of the collection shell is fixed and connected to a discharge chute. The bottom end of the discharge chute is fixed and connected to a processing box. The processing box has a semi-open structure and contains a briquetting component for briquetting the waste discharged from the discharge chute. This screw extruder, through the cooperation of a tilting support assembly, a gap drive assembly, and a telescopic pressing assembly, can achieve continuous briquetting of waste. It can quickly and directly sort the waste after screw processing. This integrated design saves waste sorting time and facilitates subsequent transportation.

[0005] The aforementioned screw extruder still has the following problems in actual use: the size of the kitchen waste particles varies, with some particles being larger and others smaller. Currently, the screen aperture of the screw extruder is fixed, and the aperture size and drainage effect cannot be adjusted according to different materials, resulting in limited practicality. Utility Model Content

[0006] To address the shortcomings of existing technologies, this utility model provides a kitchen waste compression device that can adjust the orifice size according to the particle size of different kitchen wastes to change the drainage effect.

[0007] This utility model provides the following technical solution: a kitchen waste compression device, including a base, a support frame installed on the base, a liquid outlet pipe installed in the lower middle part of the base, a spiral compression roller installed in the middle of the support frame, a screen sleeved on the outer side of the middle part of the spiral compression roller, and a feed pipe and a slag outlet pipe installed at both ends of the spiral compression roller. The screen surface has several internal holes. Two fixing rings are sleeved and fixedly connected to the outer wall of the spiral compression roller. The two fixing rings are located between the feed pipe and the slag outlet pipe. A moving mechanism is connected to the upper surface of one end of the support frame. The output end of the moving mechanism is connected to an aperture adjustment component. The aperture adjustment component is sleeved on the outside of the screen, and the two ends of the adjustment component are respectively connected to the side adjacent to the two fixing rings.

[0008] Furthermore, the moving mechanism includes a support block, an auxiliary bracket, a hydraulic rod, and a connecting block. The lower end of the connecting block is fixedly connected to the upper surface of the support frame, and the upper end of the connecting block is fixedly connected to the outer wall of the hydraulic rod. The output end of the hydraulic rod passes through the middle of the auxiliary bracket and is connected to the support block. The two ends of the auxiliary bracket are fixedly connected to the two sides of the support frame, respectively. The lower end of the support block is connected to one end of the aperture adjustment assembly.

[0009] Furthermore, the output end of the hydraulic rod is provided with a threaded hole, and a No. 1 bolt passes through the inner wall of the support block. The screw of the No. 1 bolt is threadedly connected to the inner wall of the threaded hole.

[0010] Furthermore, the aperture adjustment assembly includes two semi-circular outer covers and four connecting strips. The four connecting strips are divided into two groups, and the two groups of connecting strips are fixedly connected to the two sides of the two semi-circular outer covers respectively. The upper surface of the two groups of connecting strips is provided with several connecting holes, and the two groups of connecting holes are fastened together by several No. 2 bolts. The two semi-circular outer covers are spliced ​​into a circular cover. The inner wall of the circular cover abuts against the outer wall of the screen, and one end of one of the semi-circular outer covers is connected to the support block. The surfaces of the two semi-circular outer covers are provided with several external holes, and the external holes are matched and aligned with several internal holes respectively.

[0011] Furthermore, each end of the outer wall of the two semi-circular outer covers is fixedly connected to a movable semi-circular ring. The two movable semi-circular rings at both ends of the two semi-circular outer covers form two circular rings. The inner walls of the two fixed rings are threaded with several limiting slide rods. The other ends of the limiting slide rods pass through the two circular rings respectively, and the outer walls of the limiting slide rods are slidably connected to the points where the movable semi-circular rings pass through.

[0012] Furthermore, one end of one of the movable semicircular rings, away from the semicircular outer cover, is fixedly connected to the lower end of the support block.

[0013] Furthermore, a liquid collection box is fixedly connected to the middle of the base. A collection chamber is opened on the upper surface of the liquid collection box. The collection chamber is located directly below the screen and the two semi-circular outer covers. The collection chamber is connected to the liquid outlet pipe. The upper surfaces at both ends of the liquid collection box abut against the side walls of the two fixing rings respectively.

[0014] Furthermore, several limiting holes are provided on both sides of the support frame, and the side protective plates are fastened to the several limiting holes on both sides by No. 3 bolts. The liquid collection box is located between the two side protective plates.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] This type of food waste compression equipment uses an aperture adjustment component on the outside of the screen, which is then moved back and forth by a moving mechanism. When the user compresses food waste, they can change the position of the aperture adjustment component according to the particle size of the food waste, thereby changing the aperture size of the screen and thus the drainage speed. This adapts to the drainage of food waste of different sizes, making it convenient, easy to operate, and more practical. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall appearance of the present utility model;

[0018] Figure 2 This is a schematic diagram of the overall appearance of the present invention from another perspective;

[0019] Figure 3 This is a schematic diagram of the overall appearance of the present invention after the side protective plates have been removed;

[0020] Figure 4 This is a schematic diagram of the overall appearance of the present invention after removing the screen and aperture adjustment component;

[0021] Figure 5 This is an exploded view of the screen, aperture adjustment assembly, and moving mechanism of this utility model.

[0022] Figure 6 This is a detailed connection diagram of the semi-circular outer cover and the moving mechanism of this utility model.

[0023] In the diagram: 1. Base; 2. Support frame; 3. Side protective plate; 4. Liquid collection box; 5. Feed pipe; 6. Fixing ring; 7. Moving semi-circular ring; 8. Limiting slide bar; 9. Semi-circular outer cover; 10. Support block; 11. Auxiliary bracket; 12. Hydraulic rod; 13. Connecting block; 14. Slag discharge pipe; 15. Liquid discharge pipe; 16. Connecting strip; 17. Spiral extrusion roller; 18. Screen; 201. Limiting hole; 401. Collection chamber; 901. Outer hole; 1201. Threaded hole; 1601. Connecting hole; 1801. Inner hole. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0025] Please see Figures 1-6 A kitchen waste compression device includes a base 1, a support frame 2 mounted on the base 1, a liquid outlet pipe 15 mounted on the lower middle part of the base 1, a spiral compression roller 17 mounted in the middle of the support frame 2, a screen 18 sleeved on the outer side of the middle part of the spiral compression roller 17, and a feed pipe 5 and a slag outlet pipe 14 mounted on both ends of the spiral compression roller 17. The surface of the screen 18 has several internal holes 1801. The outer wall of the spiral compression roller 17 is fitted with and fixedly connected to two fixing rings 6, which are located between the feed pipe 5 and the slag outlet pipe 14. A moving mechanism is connected to the upper surface of one end of the support frame 2. The output end of the moving mechanism is connected to an aperture adjustment component. The aperture adjustment component is sleeved on the outside of the screen 18, and both ends of the adjustment component are respectively connected to the side adjacent to the two fixing rings 6.

[0026] The food waste compression device in this utility model is structurally similar to existing food waste compression devices, such as the screw extruder for food waste disclosed in patent publication number CN218224013U. Figures 1 to 6 As shown, when the kitchen waste compression device of this utility model is compressing kitchen waste, the material to be compressed is simply put into the feed pipe 5, and then the motor on one side of the base 1 is turned on to drive the spiral compression roller 17 to rotate. The material is squeezed out through the cavity between the spiral compression roller 17 and the screen 18. The squeezed water is discharged from the liquid outlet pipe 15 to the outside, and the squeezed residue is discharged from the slag outlet pipe 14 to the outside.

[0027] Because different types of food waste contain different particle sizes, the moving mechanism can be activated by an external controller before compression, depending on the size of the material. Once activated, the output end of the moving mechanism can push forward or pull back the aperture adjustment component on the screen 18. This allows the aperture size of the inner hole 1801 of the screen 18 to be changed, thus adjusting the speed at which the liquid in the food waste passes through the screen 18. This makes it suitable for draining food waste of different sizes, making it convenient, easy to operate, and more practical.

[0028] It is important to note here that:

[0029] 1. The base 1, support frame 2, liquid outlet pipe 15, spiral extrusion roller 17, screen 18, feed pipe 5, slag outlet pipe 14 and several inner holes 1801 mentioned above are all existing technologies of existing spiral extruders. Therefore, their positional relationship, connection method and working principle will not be described in detail here.

[0030] 2. External controllers are a mature existing technology and will not be described in detail here.

[0031] Please refer to the following: Figure 1 , Figure 3 , Figure 5 and Figure 6 The moving mechanism includes a support block 10, an auxiliary bracket 11, a hydraulic rod 12, and a connecting block 13. The lower end of the connecting block 13 is fixedly connected to the upper surface of the support frame 2, and the upper end of the connecting block 13 is fixedly connected to the outer wall of the hydraulic rod 12. The output end of the hydraulic rod 12 passes through the middle of the auxiliary bracket 11 and is connected to the support block 10. The two ends of the auxiliary bracket 11 are fixedly connected to the two sides of the support frame 2, respectively. The lower end of the support block 10 is connected to one end of the aperture adjustment assembly.

[0032] More specifically, when it is necessary to change the aperture size of the screen 18, simply turn on the switch of the hydraulic rod 12 through the external controller. The output end of the hydraulic rod 12 extends outward or retracts, which can pull the connected support block 10 to move together. When the support block 10 moves, it can move the aperture adjustment component connected to it together, thereby changing the size of the inner hole 1801 on the screen 18 through the aperture adjustment component.

[0033] Please refer to the following: Figure 6 The output end of the hydraulic rod 12 has a threaded hole 1201, and a No. 1 bolt passes through the inner wall of the support block 10. The screw of the No. 1 bolt is threadedly connected to the inner wall of the threaded hole 1201.

[0034] More specifically, by setting threaded hole 1201 and bolt No. 1, it is easier to separate the two when it is necessary to disassemble the hole diameter adjustment component or the moving mechanism (e.g., for maintenance or replacement), and it is also easier to install after separation.

[0035] Please refer to the following: Figure 5 and Figure 6The aperture adjustment assembly includes two semi-circular outer covers 9 and four connecting strips 16. The four connecting strips 16 are divided into two groups, and the two groups of connecting strips 16 are fixedly connected to the two sides of the two semi-circular outer covers 9 respectively. The upper surface of the two groups of connecting strips 16 is provided with several connecting holes 1601. The two groups of connecting holes 1601 are fastened together by several No. 2 bolts. The two semi-circular outer covers 9 are spliced ​​into a circular cover. The inner wall of the circular cover abuts against the outer wall of the screen 18, and one end of one of the semi-circular outer covers 9 is connected to the support block 10. The surface of the two semi-circular outer covers 9 is provided with several external holes 901, and the several external holes 901 are matched and aligned with several internal holes 1801 respectively.

[0036] More specifically, during the initial installation, a semi-circular outer cover 9 and two connecting strips 16 are first placed below the spiral extrusion roller 17 inside the support frame 2. Then, another semi-circular outer cover 9 and two connecting strips 16 are snapped off from above the spiral extrusion roller 17, aligning the four connecting strips 16 of the two semi-circular outer covers 9. After that, the two semi-circular outer covers 9 are connected together with bolt No. 2. The two semi-circular outer covers 9 connected together form a circular cover, which fits perfectly outside the screen 18. In this way, when liquid overflows from inside the screen 18, it can flow out through the inner hole 1801 and the outer hole 901.

[0037] When it is necessary to change the size of the inner hole 1801, the hydraulic rod 12 pulls the support block 10 to move, and then the support block 10 pulls the semi-circular outer cover 9 together. After the semi-circular outer cover 9 moves, the outer hole 901 and the inner hole 1801 are misaligned, so the hole of the inner hole 1801 can be made smaller (conversely, it can be made larger), thus realizing the change of the diameter of the inner hole 1801.

[0038] Please refer to the following: Figure 1 , Figure 3 , Figure 5 and Figure 6 Two movable semicircular rings 7 are fixedly connected to both ends of the outer walls of the two semicircular outer covers 9. The two movable semicircular rings 7 at both ends of the two semicircular outer covers 9 form two circular rings. Several limiting slide rods 8 are threadedly connected to the inner walls of the two fixed rings 6. The other ends of the limiting slide rods 8 pass through the two circular rings respectively, and the outer walls of the limiting slide rods 8 are slidably connected to the passage of the movable semicircular rings 7.

[0039] More specifically, by setting the movable semicircular ring 7 and the limiting slide bar 8, the connection between the semicircular outer cover 9 and the fixed ring 6 (i.e. the spiral extrusion roller 17) can be increased, so that the semicircular outer cover 9 can only slide in the direction of the limiting slide bar 8, and the limiting slide bar 8 is reserved with a certain length so as not to affect the normal sliding of the semicircular outer cover 9.

[0040] Please refer to the following: Figure 1 , Figure 3 , Figure 5 and Figure 6 One of the movable semicircular rings 7 is fixedly connected to the lower end of the support block 10 at the end away from the semicircular outer cover 9.

[0041] More specifically, by connecting the movable semicircular ring 7 to the semicircular outer cover 9, the connection stability between the semicircular outer cover 9 and the support block 10 can be increased.

[0042] Please refer to the following: Figures 1-4 A liquid collection box 4 is fixedly connected to the middle of the base 1. A collection cavity 401 is opened on the upper surface of the liquid collection box 4. The collection cavity 401 is located directly below the screen 18 and the two semi-circular outer covers 9. The collection cavity 401 is connected to the liquid outlet pipe 15. The upper surfaces of both ends of the liquid collection box 4 abut against the side walls of the two fixing rings 6 respectively.

[0043] More specifically, by setting up the liquid collection box 4 and the collection chamber 401, the liquid flowing out from the screen 18 and the semi-circular outer cover 9 can be guided more smoothly to the liquid outlet pipe 15, instead of flowing out from the sides of the base 1 or the support frame 2.

[0044] Please refer to the following: Figures 1-4 The support frame 2 has several limiting holes 201 on both sides, and the side protection plates 3 are fastened to the several limiting holes 201 on both sides by No. 3 bolts. The liquid collection box 4 is located between the two side protection plates 3.

[0045] More specifically, by setting the limiting hole 201 and the side protective plate 3, the protective properties of the screen 18 and the semi-circular outer cover 9 can be increased, reducing the probability of liquid inside the screen 18 and the semi-circular outer cover 9 splashing out from the side; secondly, the aesthetics of the entire extrusion equipment can also be increased.

[0046] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A kitchen waste compression device, comprising a base (1), a support frame (2) mounted on the base (1), a liquid outlet pipe (15) mounted below the middle of the base (1), a spiral compression roller (17) mounted in the middle of the support frame (2), a screen (18) sleeved on the outer side of the middle of the spiral compression roller (17), a feed pipe (5) and a slag outlet pipe (14) mounted at both ends of the spiral compression roller (17), wherein the surface of the screen (18) is provided with a plurality of internal holes (1801), characterized in that: Two fixing rings (6) are fitted and fixedly connected to the outer wall of the spiral extrusion roller (17). The two fixing rings (6) are located between the feed pipe (5) and the slag discharge pipe (14). A moving mechanism is connected to the upper surface of one end of the support frame (2). The output end of the moving mechanism is connected to the aperture adjustment component. The aperture adjustment component is fitted outside the screen (18), and the two ends of the adjustment component are respectively connected to the side adjacent to the two fixing rings (6).

2. The kitchen waste compression device according to claim 1, characterized in that: The moving mechanism includes a support block (10), an auxiliary bracket (11), a hydraulic rod (12), and a connecting block (13). The lower end of the connecting block (13) is fixedly connected to the upper surface of the support frame (2), and the upper end of the connecting block (13) is fixedly connected to the outer wall of the hydraulic rod (12). The output end of the hydraulic rod (12) passes through the middle of the auxiliary bracket (11) and is connected to the support block (10). The two ends of the auxiliary bracket (11) are fixedly connected to the two sides of the support frame (2), respectively. The lower end of the support block (10) is connected to one end of the aperture adjustment assembly.

3. The kitchen waste compression device according to claim 2, characterized in that: The output end of the hydraulic rod (12) is provided with a threaded hole (1201), and a No. 1 bolt is provided on the inner wall of the support block (10). The screw of the No. 1 bolt is threadedly connected to the inner wall of the threaded hole (1201).

4. A kitchen waste compression device according to claim 2 or 3, characterized in that: The aperture adjustment assembly includes two semi-circular outer covers (9) and four connecting strips (16). The four connecting strips (16) are divided into two groups. The two groups of connecting strips (16) are fixedly connected to the two sides of the two semi-circular outer covers (9). The upper surface of the two groups of connecting strips (16) is provided with several connecting holes (1601). The two groups of connecting holes (1601) are fastened together by several No. 2 bolts. The two semi-circular outer covers (9) are spliced ​​into a circular cover. The inner wall of the circular cover abuts against the outer wall of the screen (18). One end of one of the semi-circular outer covers (9) is connected to the support block (10). The surfaces of the two semi-circular outer covers (9) are provided with several external holes (901). The several external holes (901) are matched and aligned with several internal holes (1801).

5. The kitchen waste compression device according to claim 4, characterized in that: Two movable semicircular rings (7) are fixedly connected to both ends of the outer walls of the two semicircular outer covers (9). The two movable semicircular rings (7) at both ends of the two semicircular outer covers (9) form two circular rings. Several limiting slide rods (8) are threadedly connected to the inner walls of the two fixed rings (6). The other ends of the limiting slide rods (8) pass through the two circular rings respectively, and the outer walls of the limiting slide rods (8) are slidably connected to the passage of the movable semicircular rings (7).

6. The kitchen waste compression device according to claim 5, characterized in that: One of the movable semicircular rings (7) is fixedly connected to the lower end of the support block (10) at the end away from the semicircular outer cover (9).

7. The kitchen waste compression device according to claim 4, characterized in that: A liquid collection box (4) is fixedly connected to the middle of the base (1). A collection chamber (401) is opened on the upper surface of the liquid collection box (4). The collection chamber (401) is located directly below the screen (18) and the two semi-circular outer covers (9). The collection chamber (401) is connected to the liquid outlet pipe (15). The upper surfaces of both ends of the liquid collection box (4) abut against the side walls of the two fixing rings (6).

8. A food waste compression device according to claim 5 or 6, characterized in that: A liquid collection box (4) is fixedly connected to the middle of the base (1). A collection chamber (401) is opened on the upper surface of the liquid collection box (4). The collection chamber (401) is located directly below the screen (18) and the two semi-circular outer covers (9). The collection chamber (401) is connected to the liquid outlet pipe (15). The upper surfaces of both ends of the liquid collection box (4) abut against the side walls of the two fixing rings (6).

9. A kitchen waste compression device according to claim 7, characterized in that: The support frame (2) has several limiting holes (201) on both sides. The several limiting holes (201) on both sides are fastened to the side protection plates (3) by bolt No.

3. The liquid collection box (4) is located between the two side protection plates (3).

10. A food waste compression device according to claim 8, characterized in that: The support frame (2) has several limiting holes (201) on both sides. The several limiting holes (201) on both sides are fastened to the side protection plates (3) by bolt No.

3. The liquid collection box (4) is located between the two side protection plates (3).

Citation Information

Patent Citations

  • Spiral extruder for kitchen garbage

    CN218224013U