CN114620376A

CN114620376A - Domestic waste extrusion device

Info

Publication number: CN114620376A
Application number: CN202210333285.5A
Authority: CN
Inventors: 刘志琪
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-06-14

Abstract

The invention relates to the technical field of household garbage treatment, in particular to a household garbage extruding device which comprises a machine shell and a hydraulic oil cylinder, wherein the upper side inside the machine shell is provided with the hydraulic oil cylinder, the end of a piston rod of the hydraulic oil cylinder is fixedly connected with a connecting seat, the lower end of the connecting seat is provided with an extruding seat through a buffer mechanism, the inner wall of the back end of the machine shell is fixedly provided with a fixed seat, and the fixed seat is fixedly sleeved on a cylinder barrel of the hydraulic oil cylinder. The garbage can or the garbage can be used by being arranged at a designated garbage recovery point in a community or a block, when the garbage can or the garbage can is used, the garbage can or the garbage can is clamped and limited by controlling the four groups of limiting rods to move by using the adjusting mechanism, and then the garbage can or the garbage can is extruded by driving the extrusion seat by starting the hydraulic oil cylinder, so that the recyclable garbage such as the garbage in the garbage can or the garbage can be compressed.

Description

Domestic waste extrusion device

Technical Field

The invention relates to the technical field of household garbage treatment, in particular to a household garbage extruding device.

Background

Solid waste generated in daily life or activities for providing services for daily life, and solid waste regarded as household waste by laws and administrative laws and regulations mainly comprise resident household waste, municipal and commercial waste, public place waste, street cleaning waste, enterprise and public institution waste and the like;

the existing household garbage can be basically and directly dumped into the peripheral garbage can, the capacity of the garbage can is limited, the garbage can is required to be cleaned and transported by a garbage truck after the garbage is collected to a certain degree, but the garbage truck can work only in a specified time, usually the period is once a day, when the garbage can is full and the garbage truck can be cleaned for a longer time, cleaning personnel can generally squeeze the garbage downwards so as to compress the garbage in the garbage can to a certain degree, so that the garbage can be collected again, but the garbage can has a certain height, and the cleaning personnel can hardly compress the garbage by manpower;

along with the development of express delivery trade, recoverable rubbish such as a large amount of packing carton appear in the domestic waste in addition, but the packing carton need extrude when collecting to conveniently compress the packing carton, and the cleaner of collecting the carton can only separate the back with the carton from the garbage bin, utilizes the mode of artifical trampling to compress, and is comparatively troublesome, for this reason we have proposed a domestic waste extrusion device and have solved above-mentioned problem.

Disclosure of Invention

The invention aims to provide a household garbage extruding device to solve the problem that recyclable garbage such as garbage cans and packaging boxes for collecting household garbage, which are proposed in the background art, is difficult to extrude manually.

In order to achieve the purpose, the invention provides the following technical scheme: a household garbage extruding device comprises a machine shell and a hydraulic oil cylinder, wherein the upper side inside the machine shell is provided with the hydraulic oil cylinder, the end head of a piston rod of the hydraulic oil cylinder is fixedly connected with a connecting seat, the lower end of the connecting seat is provided with an extruding seat through a buffer mechanism, the inner wall of the back end of the machine shell is fixedly provided with a fixing seat, the fixing seat is fixedly sleeved on a cylinder barrel of the hydraulic oil cylinder, the right end of the fixing seat is fixedly provided with a first air cylinder, a first air cavity is arranged inside the first air cylinder, the upper end of the first air cavity is movably inserted with a first piston rod, a connecting block is fixedly welded at the upper end of the first piston rod, the lower end of the first piston rod is fixedly provided with a first piston block, the first piston block slides in the first air cavity, the lower end opening of the first air cylinder is connected with the upper end opening of a second air cylinder through a connecting pipe, the second air cylinder is fixedly arranged on the inner wall of the right end of the machine shell, two sets of second air cavities have been seted up to the upper and lower bilateral symmetry of second inflator, the vertical activity of central point of second inflator puts and inserts and be equipped with the second piston rod, the second piston piece is all installed at the upper and lower both ends of second piston rod, and two sets of the second piston piece slides in two sets of second air cavities respectively, drain pipe and inlet tube are installed respectively through two sets of check valves to the lower extreme of second air cavity, and the lower extreme opening part of inlet tube installs the filter screen, four sets of gag lever posts are installed through adjustment mechanism equidistance to the lower extreme inner wall of casing.

Preferably, buffer gear includes the loop bar, the articulated loop bar of installing of upper end equidistance of extrusion seat, and the upper end of loop bar has seted up the movable groove, be provided with the spring in the movable groove, the activity of upper end opening part of loop bar is inserted and is equipped with the movable rod, and the lower extreme of movable rod offsets with the end of spring, the upper end of movable rod links to each other with the lower extreme of connecting seat is articulated.

Preferably, the guide bar is vertically installed to the upper end equidistance of extrusion seat, the guiding hole with guide bar looks adaptation is seted up to the equidistance on the fixing base, the vertical inserting of guide bar is established in the guiding hole, and the right side is two sets of the upper end and the connecting block fixed connection of guide bar.

Preferably, the connecting seat is hemispherical, and the convex surface of the connecting seat faces outwards.

Preferably, the water inlet pipe is movably sleeved with a sleeve block, the sleeve block is fixedly connected with a clamping block, the clamping block is provided with a clamping opening, and the distance between the upper end and the lower end of the clamping opening is gradually increased from left to right.

Preferably, the opening corners at the upper end and the lower end of the sleeve block are round corners, the inner wall of the bayonet is glued with a rubber mat, and the surface of the rubber mat is provided with anti-skid grains.

Preferably, adjustment mechanism includes the dead slot, the dead slot has been seted up to the lower extreme of casing, and the central point of dead slot puts to rotate and installs the carousel, fixed the cup jointing has the worm wheel in the lower extreme pivot of carousel, the worm is installed through the bearing to the lower extreme of casing, and worm wheel mesh mutually, the front end of worm passes the casing and arranges outside and fixed mounting in and has the crank, four groups of hinge bars are installed in the equidistance is articulated on the carousel, four groups of guide slots have been seted up to the lower extreme inner wall equidistance of casing, and vertical the inserting is equipped with the gag lever post in the guide slot, one side end that the carousel was kept away from to the lower extreme and the hinge bar of gag lever post is connected.

Preferably, the limiting rod is sleeved with the wear-resistant sleeve in an equidistance rotating mode, and the cross sections of the wear-resistant sleeve and the limiting rod are circular.

Compared with the prior art, the invention has the beneficial effects that: the invention can be installed at the designated garbage recycling point in the community or the block, when in use, the household garbage such as the full garbage can or the paper box which needs to be compressed is placed at the lower end of the inner part of the shell, the four groups of limiting rods are controlled by the adjusting mechanism to move to clamp and limit the garbage can or the garbage, then the hydraulic oil cylinder is started to drive the extrusion seat to extrude the garbage, so that the recyclable household garbage such as the garbage or the paper box in the garbage can be compressed, in addition, when the garbage in the garbage can is extruded, the filter screen at the lower end of the water inlet pipe can be placed at the corner of the bottom of the garbage can in advance, so that when the hydraulic oil cylinder drives the extrusion seat to repeatedly extrude the garbage, the sewage accumulated at the bottom of the garbage can be pumped out and discharged from the water discharge pipe, and the sewage in the garbage can be separated and discharged into the garbage can, thereby avoid the sewage in the garbage bin to soak rubbish and lead to rubbish to rot, cause more serious pollution, also can avoid simultaneously when follow-up rubbish in empting the garbage bin, sewage is unrestrained at garbage truck or subaerial.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic sectional elevation view of the structure of the present invention;

FIG. 3 is a schematic sectional view of the structure of the present invention;

FIG. 4 is a schematic sectional view of a partial structure according to the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 2;

FIG. 6 is an enlarged view of a portion of B of FIG. 1 according to the present invention.

In the figure: 1. a housing; 2. a hydraulic cylinder; 3. a connecting seat; 4. a pressing base; 5. a loop bar; 6. a movable groove; 7. a spring; 8. a movable rod; 9. a guide rod; 10. a fixed seat; 11. a first gas cylinder; 12. a first air cavity; 13. a first piston rod; 14. connecting blocks; 15. a first piston block; 16. a connecting pipe; 17. a second gas cylinder; 18. a second air cavity; 19. a second piston rod; 20. a second piston block; 21. a drain pipe; 22. a water inlet pipe; 23. filtering with a screen; 24. sleeving blocks; 25. a clamping block; 26. a bayonet; 27. a rubber pad; 28. an empty groove; 29. a turntable; 30. a worm gear; 31. a worm; 32. a crank; 33. a hinged lever; 34. a guide groove; 35. a limiting rod; 36. a wear-resistant sleeve.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an embodiment of the present invention is shown: a household garbage extruding device comprises a machine shell 1 and a hydraulic oil cylinder 2, the hydraulic oil cylinder 2 is installed on the upper side inside the machine shell 1, a connecting seat 3 is fixedly connected to the end head of a piston rod of the hydraulic oil cylinder 2, an extruding seat 4 is installed at the lower end of the connecting seat 3 through a buffering mechanism, a fixing seat 10 is fixedly installed on the inner wall of the back end of the machine shell 1, the fixing seat 10 is fixedly sleeved on a cylinder barrel of the hydraulic oil cylinder 2, a first air cylinder 11 is fixedly installed at the right end of the fixing seat 10, a first air cavity 12 is formed in the first air cylinder 11, a first piston rod 13 is movably inserted into the upper end of the first air cavity 12, a connecting block 14 is fixedly welded at the upper end of the first piston rod 13, a first piston block 15 is fixedly installed at the lower end of the first piston rod 13, the first piston block 15 slides in the first air cavity 12, the lower end opening of the first air cylinder 11 is connected with the upper end opening of a second air cylinder 17 through a connecting pipe 16, the second air cylinder 17 is fixedly arranged on the inner wall of the right end of the machine shell 1, two groups of second air cavities 18 are symmetrically arranged on the upper side and the lower side of the second air cylinder 17, a second piston rod 19 is vertically and movably inserted in the center position of the second air cylinder 17, second piston blocks 20 are respectively arranged on the upper end and the lower end of the second piston rod 19, the two groups of second piston blocks 20 respectively slide in the two groups of second air cavities 18, a drain pipe 21 and a water inlet pipe 22 are respectively arranged at the lower end of the second air cavity 18 through two groups of one-way valves, a filter screen 23 is arranged at the opening at the lower end of the water inlet pipe 22, a one-way valve is arranged at the upper end of the water inlet pipe 22, when the second piston block 20 moves downwards, the one-way valve is closed, when the second piston block 20 moves upwards, the one-way valve is opened, the one-way valves on the drain pipe 21 are opposite to the one-way valves, four groups of limiting rods 35 are equidistantly arranged on the inner wall of the lower end of the machine shell 1 through an adjusting mechanism, and the device can be used for recyclable and compressed household garbage cans and paper boxes with different sizes, the mounting position is preferably beside a garbage collection point, the distance between four groups of limiting rods 35 can be changed by using an adjusting mechanism, so that garbage cans or paper box piles and the like with different sizes are limited, meanwhile, the hydraulic oil cylinder 2 can be driven to extrude household garbage such as garbage or paper boxes in the garbage cans by using the extrusion seat 4, so that the garbage is compressed, the space in the garbage cans can be reduced, the utilization rate of the inner space can be better ensured, cleaning personnel can better and more conveniently collect and recycle the household garbage such as the paper boxes and the like, and meanwhile, when the garbage in the garbage cans is compressed, sewage accumulated at the bottom in the garbage cans can be pumped out, so that the sewage can be conveniently separated from the garbage cans and discharged into a sewer, the garbage in the garbage cans is prevented from being soaked for a long time, and the garbage is prevented from rotting and smelly, meanwhile, the garbage can is prevented from dripping on a garbage truck or the ground when being dumped;

further, the buffering mechanism comprises a loop bar 5, the upper end of the extrusion seat 4 is hinged with the loop bar 5 at equal intervals, the upper end of the loop bar 5 is provided with a movable groove 6, a spring 7 is arranged in the movable groove 6, a movable rod 8 is movably inserted into an opening at the upper end of the loop bar 5, the lower end of the movable rod 8 abuts against the end of the spring 7, and the upper end of the movable rod 8 is hinged with the lower end of the connecting seat 3, as shown in fig. 2 and 5, the structure is used for enabling the loop bar 5 and the movable rod 8 to be stretched under force and extrude the spring 7 when the extrusion seat 4 extrudes garbage, and the spring 7 can absorb the reaction force when the garbage is impacted through extrusion through elastic deformation characteristics, and meanwhile, the extrusion seat 4 has a certain reverse displacement when the garbage is extruded, so that the hydraulic oil cylinder 2 is prevented from being damaged due to overload when the garbage is excessively extruded;

furthermore, guide rods 9 are vertically arranged at the upper end of the extrusion seat 4 at equal intervals, guide holes matched with the guide rods 9 are formed in the fixed seat 10 at equal intervals, the guide rods 9 are vertically inserted into the guide holes, and the upper ends of the two groups of right guide rods 9 are fixedly connected with the connecting block 14, as shown in fig. 1, the structure is used for guiding and limiting the movement of the extrusion seat 4 so as to avoid the deviation or inclination caused by uneven stress when the extrusion seat 4 extrudes garbage;

furthermore, the connecting seat 3 is hemispherical, the convex surface of the connecting seat 3 faces outwards, as shown in fig. 1 and fig. 6, when the filter screen 23 contacts the corner at the bottom end of the garbage can and performs sewage suction work, the filter screen 23 cannot be flatly attached to the inner wall of the garbage can, so that the situation that the filter screen 23 is blocked due to the fact that the filter screen 23 cannot suck the sewage is avoided to a certain extent;

furthermore, a sleeve block 24 is movably sleeved on the water inlet pipe 22, a clamping block 25 is fixedly connected to the sleeve block 24, a bayonet 26 is formed in the clamping block 25, and the distance between the upper end and the lower end of the bayonet 26 is gradually increased from left to right, as shown in fig. 1 and 6, the structure is used for clamping the clamping block 25 at the edge of the garbage can through the bayonet 26 so as to limit the water inlet pipe 22, so that the water inlet pipe 22 is prevented from being excessively displaced, and the filter screen 23 is prevented from moving;

further, the opening corners of the upper end and the lower end of the sleeve block 24 are rounded corners, the rubber pad 27 is glued to the inner wall of the bayonet 26, and the surface of the rubber pad 27 is provided with anti-skid threads, as shown in fig. 6, the structure is used for preventing the openings of the upper end and the lower end of the sleeve block 24 from having obvious edges and corners which can scratch the water inlet pipe 22 when the sleeve block 24 moves on the water inlet pipe 22, and meanwhile, the rubber pad 27 can increase the stability and the anti-skid effect when the fixture block 25 is clamped at the edge of the garbage can through the bayonet 26;

further, the adjusting mechanism comprises a hollow groove 28, the lower end of the casing 1 is provided with the hollow groove 28, the center position of the hollow groove 28 is rotatably provided with a turntable 29, a rotating shaft at the lower end of the turntable 29 is fixedly sleeved with a worm wheel 30, the lower end of the casing 1 is provided with a worm 31 through a bearing, the worm 31 is meshed with the worm wheel 30, the front end of the worm 31 penetrates through the casing 1 to be arranged outside and fixedly provided with a crank 32, four groups of hinged rods 33 are hinged on the turntable 29 at equal intervals, four groups of guide grooves 34 are arranged on the inner wall of the lower end of the casing 1 at equal intervals, limiting rods 35 are vertically inserted in the guide grooves 34, the lower ends of the limiting rods 35 are connected with the ends of the hinged rods 33, which are far away from the turntable 29, as shown in fig. 2 and 3, the structure is used for synchronously changing the intervals between the four groups of limiting rods 35 by swinging the crank 32, so as to clamp and limit garbage cans or garbage placed on the inner wall of the lower end of the casing 1, so as to prevent the garbage can or the garbage from moving or loosening in the extrusion process;

further, a wear-resistant sleeve 36 is sleeved on the limiting rod 35 in an equidistant rotating manner, and the cross sections of the wear-resistant sleeve 36 and the limiting rod 35 are circular, as shown in fig. 2, the structure is used for contacting the outer wall of the garbage can or garbage through the wear-resistant sleeve 36, when the limiting rod 35 moves, the wear-resistant sleeve 36 can be driven to contact and rub the garbage can to obtain the outer wall or the garbage, the wear-resistant sleeve 36 can rotate under the friction force, and the abrasion of the wear-resistant sleeve 36 on the outer wall of the garbage can or the garbage caused by the rotation friction is reduced;

the working principle is as follows: when in use, the recyclable and compressible household garbage such as garbage cans or paper boxes is firstly placed on the inner wall of the lower end of the machine shell 1, then the crank 32 is shaken, the crank 32 drives the worm 31 to rotate, the worm 31 drives the meshed worm wheel 30 to rotate, then the worm wheel 30 drives the turntable 29 to rotate, when the turntable 29 rotates, the four groups of hinged rods 33 hinged with the turntable 29 synchronously rotate and pull the limiting rods 35 to slide in the guide grooves 34, at the moment, the distance between the four groups of limiting rods 35 is changed, the four groups of limiting rods 35 are shaken to collect and clamp the garbage or the garbage cans on the inner wall of the bottom end of the machine shell 1, then the hydraulic oil cylinder 2 is started, the extrusion seat 4 is driven by the hydraulic oil cylinder 2 to move downwards to extrude the garbage or the household garbage such as the paper boxes in the garbage cans so as to realize compression, and when the garbage in the garbage cans is extruded, the pressure needs to be gradually increased gradually, meanwhile, the filter screen 23 at the lower end of the water inlet pipe 22 can be inserted into the corner of the inner wall at the lower end of the trash can in advance, then the clamping block 25 is clamped at the edge of the trash can through the clamping opening 26 to limit the water inlet pipe 22, then when the extrusion seat 4 moves up and down, the extrusion seat 4 drives the guide rod 9 to move up and down, the upper end of the guide rod 9 drives the first piston rod 13 and the first piston block 15 to move up and down in the first air cavity 12 through the connecting block 14, when the first piston block 15 moves up, the air in the upper second air cavity 18 is sucked through the connecting pipe 16, so that the second piston block 20 in the upper second air cavity 18 moves up under the influence of the negative pressure and drives the lower second piston block 20 to move up in the lower second air cavity 18 through the second piston rod 19, and then the negative pressure is applied to the water inlet pipe 22 through the one-way valve when the second piston block 20 in the lower second air cavity 18 moves up, so that the water inlet pipe 22 can suck the accumulated water at the bottom of the trash can into the second air cavity 18 through negative pressure, when the extrusion seat 4 moves downwards, the first piston block 15 moves downwards, and the second piston block 20 at the lower side also moves downwards, at this time, the check valve at the upper end of the water inlet pipe 22 is in a closed state, the check valve on the drain pipe 21 is opened due to the pressure generated when the second piston block 20 in the second air cavity 18 at the lower side moves downwards, and then the sewage accumulated in the second air cavity 18 can be discharged through the drain pipe 21.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a domestic waste extrusion device, includes casing (1) and hydraulic cylinder (2), its characterized in that: the hydraulic oil cylinder (2) is installed on the upper side inside the casing (1), a connecting seat (3) is fixedly connected to the end head of a piston rod of the hydraulic oil cylinder (2), a squeezing seat (4) is installed at the lower end of the connecting seat (3) through a buffering mechanism, a fixing seat (10) is fixedly installed on the inner wall of the back end of the casing (1), the fixing seat (10) is fixedly sleeved on a cylinder barrel of the hydraulic oil cylinder (2), a first air cylinder (11) is fixedly installed at the right end of the fixing seat (10), a first air cavity (12) is formed in the first air cylinder (11), a first piston rod (13) is movably inserted into the upper end of the first air cavity (12), a connecting block (14) is fixedly welded at the upper end of the first piston rod (13), a first piston block (15) is fixedly installed at the lower end of the first piston rod (13), and the first piston block (15) slides in the first air cavity (12), the lower end opening of the first air cylinder (11) is connected with the upper end opening of the second air cylinder (17) through a connecting pipe (16), the second air cylinder (17) is fixedly arranged on the inner wall of the right end of the shell (1), two groups of second air cavities (18) are symmetrically formed in the upper side and the lower side of the second air cylinder (17), a second piston rod (19) is vertically and movably inserted in the center of the second air cylinder (17), the upper end and the lower end of the second piston rod (19) are both provided with a second piston block (20), and two groups of the second piston blocks (20) respectively slide in the two groups of the second air cavities (18), the lower end of the second air cavity (18) is respectively provided with a drain pipe (21) and a water inlet pipe (22) through two groups of one-way valves, and a filter screen (23) is installed at the lower end opening of the water inlet pipe (22), and four sets of limiting rods (35) are installed on the inner wall of the lower end of the machine shell (1) through an adjusting mechanism in an equidistant mode.

2. The domestic waste extrusion apparatus of claim 1, wherein: buffer gear includes loop bar (5), the articulated loop bar (5) of installing of upper end equidistance of extrusion seat (4), and the upper end of loop bar (5) has seted up movable groove (6), be provided with spring (7) in movable groove (6), the activity of the upper end opening part of loop bar (5) is inserted and is equipped with movable rod (8), and the lower extreme of movable rod (8) offsets with the end of spring (7), the upper end of movable rod (8) links to each other with the lower extreme of connecting seat (3) is articulated.

3. The domestic waste extrusion apparatus of claim 1, wherein: the vertical guide bar (9) of installing of upper end equidistance of extrusion seat (4), the guiding hole with guide bar (9) looks adaptation is seted up to equidistance on fixing base (10), vertical the inserting of guide bar (9) is established in the guiding hole, and the right side is two sets of the upper end and connecting block (14) fixed connection of guide bar (9).

4. The domestic waste extrusion apparatus of claim 1, wherein: the connecting seat (3) is hemispherical, and the convex surface of the connecting seat (3) faces outwards.

5. The domestic waste extrusion apparatus of claim 1, wherein: the movable sleeve joint has nested piece (24) on inlet tube (22), and fixedly connected with fixture block (25) on nested piece (24), bayonet socket (26) have been seted up on fixture block (25), and the interval at both ends increases progressively from left to right about bayonet socket (26) upper and lower.

6. The domestic waste extrusion apparatus of claim 5, wherein: the opening corner at both ends is the fillet about cover piece (24), the inner wall veneer of bayonet socket (26) has cushion (27), and the surface of cushion (27) has seted up anti-skidding line.

7. The domestic waste extrusion apparatus of claim 1, wherein: adjustment mechanism includes dead slot (28), dead slot (28) have been seted up to the lower extreme of casing (1), and the central point of dead slot (28) puts to rotate and installs carousel (29), the fixed cover is changeed in the lower extreme pivot of carousel (29) has been connect worm wheel (30), worm (31) are installed through the bearing to the lower extreme of casing (1), and worm (31) and worm wheel (30) mesh mutually, the front end of worm (31) passes casing (1) and arranges outside and fixed mounting in and has crank (32), equidistant articulated four sets of hinge bar (33) of installing on carousel (29), four sets of guide slot (34) have been seted up to the lower extreme inner wall equidistance of casing (1), and vertical the inserting is equipped with gag lever post (35) in guide slot (34), the lower extreme of gag lever post (35) is connected with one side end that carousel (29) were kept away from in hinge bar (33).

8. The domestic waste extrusion apparatus of claim 1, wherein: the limiting rod (35) is sleeved with a wear-resistant sleeve (36) in an equidistance rotating mode, and the cross sections of the wear-resistant sleeve (36) and the limiting rod (35) are circular.