Garbage bag breaking roller
By adopting a bushing and flat key design on the bag-breaking roller, the problem of difficult roller replacement is solved, enabling rapid roller replacement and simplifying equipment maintenance.
Patent Information
- Application Number
- CN202520132798.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-01-20
AI Technical Summary
In existing bag-breaking roller structures, replacing the rollers is difficult.
The rollers are clamped and fixed to the shaft using bushings, and the rollers are detachably connected by the cooperation of flat keys and keyways. Combined with the design of tail shaft, transition shaft and drive shaft, the rollers are easy to replace.
It enables quick replacement of rollers, simplifies the maintenance process, and improves the maintenance efficiency of the equipment.
Smart Images

Figure CN223905458U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of garbage disposal, in particular to a garbage bag breaking roller. BACKGROUND
[0002] The problem of urban garbage disposal has become a major research topic in the field of environmental protection in the world today. With the increase of urban population and the increasing improvement of people's living standards, the technical requirements for sorting and disposal of household garbage are also becoming higher and higher.
[0003] At present, garbage classification has not been widely popularized, and various household garbage is packed in garbage bags. Therefore, in the process of household garbage disposal and broken garbage, the hard garbage in the garbage bag often damages the broken bag roller piece. The roller piece is usually fixed and installed on the roller body in the form of spline connection. This installation method is convenient for disassembly and replacement of the roller piece. CONTENT OF THE UTILITY MODEL
[0004] The technical problem to be solved by the present application is that the existing bag breaking roller structure is difficult to replace.
[0005] Therefore, the present application provides a garbage bag breaking roller.
[0006] The technical solution adopted by the present application to solve its technical problem is:
[0007] A garbage bag breaking roller comprises,
[0008] a shaft body, and
[0009] a plurality of roller pieces, the plurality of roller pieces are arranged at intervals along the axial direction of the shaft body, the roller pieces rotate with the shaft body, and the outer edge of the roller piece is sawtooth-shaped;
[0010] a plurality of shaft sleeves, the plurality of roller pieces are arranged at intervals along the axial direction of the shaft body and are arranged on the shaft body coaxially with the shaft sleeves, the shaft sleeves are arranged at intervals with the roller pieces, and the shaft sleeves clamp and fix the roller pieces on the shaft body.
[0011] Further, a plurality of flat keys are arranged on the outer side wall of the shaft body along the axial direction thereof, the number of the flat keys is matched with the number of the roller pieces, the flat keys are arranged between the shaft body and the roller pieces and are connected with the roller pieces, and a key groove for inserting the flat keys is arranged on the shaft sleeve.
[0012] Further, a containing groove is arranged on the outer side wall of the shaft body along the axial direction thereof, the flat keys are located in the containing groove, and the flat keys protrude from the groove opening of the containing groove.
[0013] Further, the shaft body is hollow, tail shafts and transition shafts are arranged at both ends of the shaft body respectively, and the tail shafts and the transition shafts clamp the plurality of shaft sleeves on the shaft body.
[0014] Further, the transition shaft is coaxially inserted into the end of the shaft body, and a baffle is connected to the transition shaft.
[0015] Further, a socket is coaxially arranged at the end of the transition shaft away from the center of the shaft body, the cross section of the socket is special-shaped, a driving shaft is inserted into the socket.
[0016] Further, a protective shell is sleeved on the driving shaft, and the driving shaft is rotationally connected with the protective shell.
[0017] Further, a bearing is arranged between the driving shaft and the protective shell, and a plurality of bearings are arranged along the axial direction of the driving shaft.
[0018] Further, a sealing ring is arranged between the driving shaft and the protective shell, and the sealing ring is located on the side away from each other of the bearings.
[0019] Further, a felt ring is arranged between the driving shaft and the protective shell, and the felt ring is located on the side away from the bearings of the sealing ring.
[0020] The beneficial effects of the present application are that the shaft sleeve is sleeved on the shaft body, the shaft sleeve clamps and fixes the flat key and the roller piece on the shaft body, the roller piece is convenient to replace, and all roller pieces can be replaced by only removing the shaft cover at the end. BRIEF DESCRIPTION OF DRAWINGS
[0021] The present application will be further described below in combination with the drawings and embodiments.
[0022] Figure 1 is a structural schematic view of a garbage bag breaking roller in the present application.
[0023] Figure 2 is a schematic view of the positional relationship between the flat key and the shaft sleeve.
[0024] Figure 3 is a sectional view of A-A direction in Figure 2 the present application.
[0025] In the drawings: 1, roller piece; 2, shaft body; 3, tail shaft; 4, transition shaft; 5, shaft sleeve; 6, flat key; 7, containing groove; 8, protective shell; 9, driving shaft; 10, bearing; 11, sealing ring; 12, felt ring; 13, socket; 14, baffle; 15, protruding block; 16, protruding table. DETAILED DESCRIPTION
[0026] The present application will be further described below in combination with the drawings and embodiments.
[0027] In the description of the utility model, it needs to be understood that, the orientation or positional relation indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relation shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the features limited by "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.
[0028] In the description of the utility model, it needs to be understood that, the orientation or positional relation indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relation shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the features limited by "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.
[0029] A garbage bag breaking roller comprises a shaft body 2 and a plurality of roller pieces 1 arranged at intervals along the axial direction of the shaft body 2, and the outer edge of the roller piece 1 is provided in a sawtooth shape.
[0030] The roller piece 1 is detachably connected to the shaft body 2, specifically, a plurality of shaft sleeves 5 are arranged on the shaft body 2 along the axial direction and sleeved on the shaft body 2, the number of the shaft sleeves 5 is one more than that of the roller pieces 1, a containing groove 7 is arranged on the outer side wall of the shaft body 2 along the axial direction and penetrates through the end of the shaft body 2, a plurality of flat keys 6 are arranged on the shaft body 2 along the axial direction and located in the containing groove 7, the flat keys 6 protrude from the groove of the containing groove 7, the number of the flat keys 6 on each shaft body 2 is the same as that of the roller pieces 1, one flat key 6 is connected to the inner side wall of one roller piece 1, a plurality of shaft sleeves 5 are arranged on the shaft body 2, the shaft sleeves 5 are arranged at intervals with the flat keys 6, and a key groove is arranged on the shaft sleeve 5 for inserting the flat key 6, so that the plurality of shaft sleeves 5 fix the flat keys 6 on the shaft body 2.
[0031] The end portions of the shaft body 2 are connected with a tail shaft 3 and a transition shaft 4, and two shaft sleeves 5 away from each other among a plurality of shaft sleeves 5 are respectively in abutment with the tail shaft 3 and the transition shaft 4, so as to fix the roller piece 1 on the shaft body 2. The outer side wall of the shaft sleeve 5 is further provided with a plurality of protrusions 15 arranged along the axial direction of the shaft sleeve 5, and the side wall opposite to the rotation direction of the roller piece 1 is provided with a pressing surface, and the pressing surface is inclinedly arranged towards the center of the protrusion 15.
[0032] The shaft body 2 is hollowly arranged, the tail shaft 3 and the transition shaft 4 are coaxially arranged at the two ends of the shaft body 2, the tail shaft 3 is provided with a boss 16, the boss 16 is inserted into the end portion of the shaft body 2, and the tail shaft 3 is fixedly connected with the shaft body 2 through bolts. The transition shaft 4 is connected with a baffle 14, the transition shaft 4 is coaxially inserted into the end portion of the shaft body 2, the baffle 14 is fixedly connected with the end face of the shaft body 2 through bolts, the transition shaft 4 is coaxially provided with a insertion hole 13 for inserting a driving shaft 9, one end of the driving shaft 9 is inserted into the insertion hole 13, and the cross section of the one end of the driving shaft 9 inserted into the insertion hole 13 and the cross section of the insertion hole 13 are shaped, preferably a regular polygon.
[0033] The driving shaft 9 is sleeved with a protective shell 8 away from the transition shaft 4, the driving shaft 9 penetrates through the protective shell 8 and is rotationally connected with the protective shell 8 through a plurality of bearings 10, and the plurality of bearings 10 are arranged along the axial direction of the driving shaft 9. In the embodiment, the bearings 10 are provided with two, and one sealing ring 11 and one felt ring 12 are arranged on the side of the bearings 10 away from each other, and the sealing ring 11 is arranged on the side of the felt ring 12 close to the bearing 10. The felt ring 12 can effectively prevent external dust from entering and affecting the bearing 10, so as to cause the driving shaft 9 to be stuck in rotation.
[0034] In the application, the shaft sleeve 5 is sleeved on the shaft body 2, the shaft sleeve 5 clamps and fixes the flat key 6 and the roller piece 1 on the shaft body 2, so that the roller piece 1 is convenient to replace, and all the roller pieces 1 can be replaced only by removing the shaft cover at the end portion.
[0035] Based on the above ideal embodiments according to the present application, through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and must be determined by the scope of claims.
Claims
1. A garbage bag breaking roller, characterized in that, include Shaft (2), and Multiple rollers (1) are spaced apart along the axial direction of the shaft (2). The rollers (1) rotate with the shaft (2). The outer edge of the rollers (1) is serrated. Multiple bushings (5) and multiple rollers (1) are arranged on the shaft body (2) at axial intervals with the bushings (5). The bushings (5) and rollers (1) are spaced apart. The bushings (5) clamp and fix the rollers (1) on the shaft body (2).
2. The garbage bag-breaking roller according to claim 1, characterized in that, Multiple flat keys (6) are slidably arranged on the outer side wall of the shaft (2) along its axial direction. The number of flat keys (6) is adapted to the number of rollers (1). The flat keys (6) are arranged between the shaft (2) and the rollers (1) and connected to the rollers (1). The bushing (5) is provided with a keyway for inserting into the flat keys (6).
3. The garbage bag-breaking roller according to claim 2, characterized in that, A receiving groove (7) is provided on the outer side wall of the shaft (2) along its axial direction. The flat key (6) is located in the receiving groove (7) and protrudes from the groove opening of the receiving groove (7).
4. The garbage bag-breaking roller according to claim 1, characterized in that, The shaft (2) is hollow, and a tail shaft (3) and a transition shaft (4) are respectively provided at both ends of the shaft (2). The tail shaft (3) and the transition shaft (4) clamp multiple bushings (5) on the shaft (2).
5. The garbage bag-breaking roller according to claim 4, characterized in that, A baffle (14) is connected to the transition shaft (4). The transition shaft (4) is coaxially inserted into the end of the shaft body (2). The baffle (14) is fixedly connected to the end face of the shaft body (2) by bolts.
6. The garbage bag-breaking roller according to claim 5, characterized in that, The transition shaft (4) has a socket (13) coaxially arranged at one end away from the center of the shaft (2). The cross-section of the socket (13) is irregular. A drive shaft (9) is inserted on the transition shaft (4). The drive shaft (9) is connected to the socket (13).
7. The garbage bag-breaking roller according to claim 6, characterized in that, A protective shell (8) is fitted on the drive shaft (9), and the drive shaft (9) and the protective shell (8) are rotatably connected.
8. The garbage bag-breaking roller according to claim 7, characterized in that, A bearing (10) is provided between the drive shaft (9) and the protective shell (8), and multiple bearings (10) are provided along the axial direction of the drive shaft (9).
9. The garbage bag-breaking roller according to claim 8, characterized in that, A sealing ring (11) is provided between the drive shaft (9) and the protective shell (8), and the sealing ring (11) is located on the side of the bearing (10) that is far away from each other.
10. The garbage bag-breaking roller according to claim 9, characterized in that, A felt ring (12) is provided between the drive shaft (9) and the protective shell (8), and the felt ring (12) is located on the side of the sealing ring (11) away from the bearing (10).