CN204746480U - Kitchen rubbish breaks bag refining device in bags - Google Patents

Abstract

The utility model discloses a bag breaking and leveling device for bagged kitchen garbage. The shafts of the two bag-breaking rollers are installed in parallel in the frame; one end of the shafts of the two bag-breaking rollers is connected to the sliding bracket through their respective bearing bases, the sliding bracket is installed on the frame, and the outer sides of the frame are respectively equipped with guide rails Avoidance mechanism; the other ends of the two bag breaking roller shafts are respectively connected by pulleys and respective positioning bearings, and the respective bearing bases are connected with sliding brackets. The sliding brackets are installed on the frame, and the outer sides of the other frame are respectively There is a guide rail avoidance mechanism; the pulleys on the shafts of the two bag breaking rollers are driven to rotate by the pulleys on their respective motors; the upper part of the device is a bagged garbage inlet, and the lower part is equipped with a garbage outlet and a plastic outlet. The utility model can break bags of materials and sort plastics, avoid plastic bags from being entangled on the knife group and the main shaft, and improve the operation stability of the device; avoidance guide rails are provided to protect the bag breaking knife teeth and prolong the service life of the device. The overall device is compact in structure, small in floor space, easy to disassemble and assemble, and easy to maintain.

Description

A device for breaking bags and leveling bags of kitchen garbage

technical field

The utility model relates to a bagged garbage pretreatment device, in particular to a bagged kitchen garbage bag breaking and leveling device.

Background technique

With the development of social economy and the improvement of people's living standards, the generation of domestic waste in our country continues to increase. In 2012, my country's municipal solid waste removal volume reached 170 million tons, making it one of the countries with the most serious waste surrounding cities. At present, eight cities including Beijing and Shanghai have successively carried out pilot work on the sorting and collection of domestic waste, dividing domestic waste into four categories: kitchen waste, recyclable waste, hazardous waste and other waste. As the main component of domestic waste, kitchen waste accounts for 45% to 60% of the total waste; therefore, the development of kitchen waste resource utilization technology and equipment research has important practical significance. At present, among domestic and foreign kitchen waste resource technologies, kitchen waste energy utilization technology has become a research hotspot and development of domestic and foreign organic waste treatment and disposal technology due to its ability to reduce kitchen waste and convert biomass waste into clean energy—methane. trend. However, the composition of kitchen waste in my country is complex, and non-biodegradable impurities such as plastics are as high as 10% to 15%. If anaerobic fermentation is carried out directly, it will easily lead to the complete collapse of the anaerobic digestion reactor. Therefore, in order to realize the energy utilization technology of kitchen waste in our country, we must first break through the research and development bottleneck of the complete set of technology and equipment for efficient shredding and impurity removal of kitchen waste.

Affected by the lifestyle of Chinese residents, kitchen waste is mainly collected in the form of bagged waste at this stage. In order to achieve efficient and stable crushing, impurity removal, and homogeneous pretreatment of kitchen waste, it is necessary to fully break bags and homogenize bagged waste. Necessary prerequisite. At present, the existing bag-breaking technology and methods of bagged garbage mainly have problems such as poor bag-breaking effect, excessive crushing of heavy materials in garbage that cannot be effectively separated from biomass, serious plastic entanglement of knife teeth and spindles, and affecting the stability of equipment operation. Therefore, developing a set of high-efficiency and stable bagged kitchen waste bag breaking and leveling device has broad market prospects.

Utility model content

In order to overcome the defects of bagged garbage pretreatment equipment in the background technology, the purpose of this utility model is to provide a bagged kitchen garbage bag breaking and homogenizing device, which can completely break bags of garbage and homogenize the material; at the same time, it can avoid excessive crushing of heavy materials, Plastic entanglement and other issues.

In order to achieve the above object, the technical scheme adopted by the utility model is as follows:

A bag-breaking and leveling device for bagged kitchen garbage of the utility model comprises a first bag-breaking roller assembly, a bagged garbage feeding port, a second bag-breaking roller assembly, four guide rail avoidance mechanisms with the same structure, and a frame-shaped Frame, two three-phase asynchronous motors, garbage outlet, plastic outlet and two pulleys; the first bag-breaking roller assembly and the second bag-breaking roller assembly are installed in parallel in the frame-shaped frame; the second One end of the bag-breaking roller shaft of a bag-breaking roller assembly is connected with the first sliding bracket through the first positioning bearing, the first bearing base, the first sliding bracket is installed on one end of a frame, and the first bearing base The first guide rail avoidance mechanism is installed on the outside of the first sliding bracket; one end of the bag breaking roller shaft of the second bag breaking roller assembly is connected with the second sliding bracket through the second positioning bearing and the second bearing base, and the second The second sliding bracket is installed on the other end of the frame, and the second bearing base and the outside of the second sliding bracket are equipped with a second guide rail avoidance mechanism; the bag breaking roller shaft of the first bag breaking roller assembly The other ends are respectively connected through the first pulley and the third positioning bearing, the third positioning bearing, the third bearing base are connected with the third sliding bracket, the third sliding bracket is installed at one end of the other frame, and the third bearing The outside of the base and the third sliding bracket is equipped with a third guide rail avoidance mechanism; the other end of the bag breaking roller shaft of the second bag breaking roller assembly is respectively connected by the second pulley and the fourth positioning bearing, and the fourth positioning bearing , The fourth bearing base is connected with the fourth sliding bracket, the fourth sliding bracket is mounted on the other end of the other frame, and the fourth bearing base and the fourth sliding bracket are equipped with a fourth guide rail avoidance mechanism on the outside The first pulley at the other end of the bag-breaking roller shaft of the first bag-breaking roller assembly is driven by the pulley on the first three-phase asynchronous motor at the bottom of the frame, and the bag-breaking roller assembly of the second bag-breaking roller assembly The second pulley at the other end of the roller shaft is driven to rotate by the pulley on the second three-phase asynchronous motor at the bottom of the frame. The material outlet, the lower central area is the garbage outlet, and the outer side of the bag breaking roller is the plastic outlet.

The four guide rail avoidance mechanisms with the same structure all include a directional guide rod and a compression spring; the directional guide rod is installed between the positioning bearing base and the outside of the sliding bracket and one side of the frame, and the directional guide rod is covered with a compression spring. The compression spring is held between the slide bracket and the frame on one side.

The structure of the first bag-breaking roller assembly is the same as that of the second bag-breaking roller assembly, and eccentric rollers are respectively installed inside, and the two ends of the eccentric roller shaft are respectively connected to the bag-breaking roller shafts at both ends through connecting rods , the eccentric roller installs 4~8 groups of bag-breaking cutter teeth in equal parts along the radial direction, and each group has 7-11 bag-breaking cutter teeth with an equal number along the axial direction. The two bag-breaking roller assemblies The bag-breaking cutter teeth on the eccentric roller on the top are interlaced with each other at equal intervals; both ends of the first bag-breaking roller assembly and the second bag-breaking roller assembly are supported by the bag-breaking roller shaft, and the pulley is connected to the The bag-breaking roller is connected; the inner wall of the outer cylinder of the bag-breaking roller is equipped with 4 to 8 guide plates in equal parts along the axial direction, and the bag-breaking knife teeth can pass through the outer cylinder of the bag-breaking roller; the outer cylinder of the bag-breaking roller is connected to the The bag breaking roller cover is connected by bolts.

The distance L between the center of the first bag-breaking roller assembly and the lower box of the bagged garbage inlet is 225 mm to 325 mm; the center of the second bag-breaking roller assembly is the other side of the lower box of the bagged garbage inlet. The outer distance L is also 225 mm to 325 mm.

The top of the bag-breaking cutter teeth is evenly distributed, the root width and tooth depth are 10mm respectively, and it runs along the circumference of the bag-breaking roller. The side of the bag-breaking cutter teeth has a cutting edge, and the back of the bag-breaking cutter teeth is a concave arc shape.

Compared with background technology, the beneficial effect that the utility model has is:

The utility model can break bags of materials and sort plastics, avoid plastic bags from being entangled on the knife group and the main shaft, and improve the operation stability of the device; a guide rail avoidance mechanism is provided to protect the bag breaking knife teeth and prolong the service life of the device. The overall device is compact in structure, small in floor space, easy to disassemble and assemble, and easy to maintain.

Description of drawings

Fig. 1 is a front view of a bag breaking and leveling device for bagged kitchen waste of the present invention.

Fig. 2 is a top view of the device for bag breaking and leveling bagged kitchen waste.

Fig. 3 is a side view of the bag breaking and leveling device for bagged kitchen waste.

Fig. 4 is an assembly perspective view of the bag breaking roller.

Fig. 5 is an assembly sectional view of the bag breaking roller.

Fig. 6 is a front view of the guide rail avoidance mechanism.

Fig. 7 is a side view of the guide rail avoidance mechanism.

Fig. 8 is a front view of the bag breaking knife teeth.

In the figure: 1. The first bag-breaking roller assembly, 2. The bagged garbage feed port, 3. The second bag-breaking roller assembly, 4. Four guide rail avoidance mechanisms, 5. Frame-shaped frame, 6. Two Three-phase asynchronous motor, 7. Garbage discharge port, 8. Plastic discharge port, 9. Pulley, 10. Bag breaking roller shaft, 11. Connection flange, 12. Bag breaking roller cover, 13. Bag breaking Knife teeth, 14, connecting rod, 15, bag breaking roller outer cylinder, 16, eccentric roller, 17, guide backing plate, 4-1, compression spring, 4-2, directional guide rod, 4-3, sliding support Frame, 4-4, location bearing.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

As shown in Figure 1, Figure 2, and Figure 3, it includes a first bag-breaking roller assembly 1, a bagged garbage feed port 2, a second bag-breaking roller assembly 3, four guide rail avoidance mechanisms 4 with the same structure, and a frame-shaped Frame 5, two three-phase asynchronous motors 6, garbage outlet 7, plastic outlet 8 and two pulleys 9; the first bag-breaking roller assembly 1 and the second bag-breaking roller assembly 3 are installed in parallel In the frame; one end of the bag-breaking roller shaft of the first bag-breaking roller assembly 1 is connected with the first sliding bracket through the first positioning bearing, the first bearing base, and the first sliding bracket is mounted on a frame One end, the first bearing base and the outside of the first sliding bracket are equipped with a first guide rail avoidance mechanism; one end of the bag breaking roller shaft of the second bag breaking roller assembly 3 passes through the second positioning bearing, the second bearing base and the first Two sliding brackets are connected, the second sliding bracket is mounted on the other end of the one frame, the second bearing base and the outside of the second sliding bracket are equipped with a second guide rail avoidance mechanism; the first bag breaking roller assembly The other end of the bag-breaking roller shaft of 1 is respectively connected through the first pulley and the third positioning bearing, the third positioning bearing, the third bearing base are connected with the third sliding bracket, and the third sliding bracket is installed on the other One end of the frame, the third bearing base and the outside of the third sliding bracket are equipped with a third guide rail avoidance mechanism; the other end of the bag-breaking roller shaft of the second bag-breaking roller assembly 3 passes through the second pulley and the Four positioning bearings are connected, the fourth positioning bearing, the fourth bearing base are connected with the fourth sliding bracket, the fourth sliding bracket is installed on the other end of the other frame, the fourth bearing base and the fourth sliding bracket The fourth guide rail avoidance mechanism is installed on the outside of the outer side; the first pulley 9 at the other end of the bag-breaking roller shaft of the first bag-breaking roller assembly 1 is driven by the pulley on the first three-phase asynchronous motor at the bottom of the frame The second pulley 9 at the other end of the bag-breaking roller shaft of the second bag-breaking roller assembly 3 is driven by the pulley on the second three-phase asynchronous motor at the bottom of the frame. The first bag-breaking roller assembly 1 And the second broken bag roller assembly 3 tops are bagged garbage feed inlet 2, the bottom central area is garbage discharge outlet 7, and the outside of broken bag roller is plastic discharge outlet 8.

The positioning bearings at both ends of the two bag-breaking roller shafts are respectively connected with the respective guide rail avoidance mechanisms of the frame to realize the overall avoidance of the rollers and avoid excessive breaking of heavy materials such as glass; the rotation directions of the two three-phase asynchronous motors are from outward to outward The center rotates to ensure that the material passes along the center.

As shown in Fig. 1, Fig. 2, Fig. 6, and Fig. 7, the four guide rail avoidance mechanisms 4 with the same structure all include a directional guide rod 4-2 and a compression spring 4-1; Between the outer side of the base of the bearing 4-4 and the sliding bracket 4-3 and the frame on one side, the directional guide rod 4-2 is covered with a compression spring 4-1, and the compression spring 4-1 is pushed against the sliding bracket 4-3 and one side of the rack.

As shown in Fig. 4 and Fig. 5, the structure of the first bag-breaking roller assembly 1 and the second bag-breaking roller assembly 3 is the same, and eccentric rollers 16 are respectively installed inside, and the two eccentric roller shafts The ends are respectively connected to the bag-breaking roller shafts 10 at both ends through connecting rods 14. The eccentric roller 16 is equally divided into 4~8 groups of bag-breaking teeth 13 along the radial direction, and each group has an equal number of teeth 7 to 11 bag-breaking cutter teeth 13, the bag-breaking cutter teeth 13 on the eccentric roller 16 on the two bag-breaking roller assemblies are interlaced and inserted at equal intervals; the first bag-breaking roller assembly 1 and the second bag-breaking roller assembly 1 Both ends of the bag-breaking roller assembly 3 are supported by the bag-breaking roller shaft 10, and the pulley 9 is connected to the bag-breaking roller through a connecting flange 11; 8 guide backing plates 17, the bag-breaking cutter teeth 13 can pass through the bag-breaking roller outer cylinder; the bag-breaking roller outer cylinder 15 is connected with the bag-breaking roller cover 12 by bolts.

As shown in Figure 1, the distance L between the center of the first bag-breaking roller assembly 1 and the outer side of the lower box of the bagged garbage feed port 2 is 225 mm to 325 mm; the center of the second bag-breaking roller assembly 3 and the bagged garbage The other outer distance L of the lower box of the garbage feeding port 2 is also 225 mm to 325 mm.

As shown in Figure 8, the top of the bag-breaking cutter 13 is uniformly distributed teeth, the root width and tooth depth are 10 mm respectively, and it runs along the circumference of the bag-breaking roller. The back of the knife tooth is concave arc type.

The working principle of the utility model is as follows:

As shown in Figure 1 and Figure 2, the collected bagged kitchen waste falls through the garbage receiving hopper to the bagged garbage feeding port 2 of the device, and the first bag-breaking roller assembly 1 and the second bag-breaking roller assembly 3 respectively Driven by the respective three-phase asynchronous motors 6, they rotate toward the center at the same speed and in opposite directions. During the rotation of the first bag-breaking roller assembly 1 and the second bag-breaking roller assembly 3, the bagged garbage piled up is transported to the center of the device along the center-symmetrical reverse bag-breaking knife teeth 13, and at the same time it is broken. bag, the plastic after bag breaking is entangled in the concave arc on the back of the bag breaking knife tooth 13, separated from the biomass after bag breaking, and rotates with the first bag breaking roller assembly 1 and the second bag breaking roller assembly 3 until the plastic outlet Feed opening 8: Since the bag-breaking knife teeth 13 realize a circular telescopic compound movement during the rotation of the bag-breaking roller, the bag-breaking knife teeth 13 are in a protruding state when they are running to the bagged garbage feeding port 2; It is in retracted state when running to the plastic discharge port 8, thereby realizing the removal of the bag-breaking knife tooth 13 winding plastic, and realizing the separation of plastic and biomass.

The distance L between the component center of the first bag-breaking roller 1 and the outer side of the lower box of the bagged garbage inlet 2 is 225mm~325mm, and the center of the second bag-breaking roller 3 and the lower box of the bagged garbage inlet 2 are the other The outer distance L is also 225mm~325mm to avoid leakage of bagged garbage and improve bag breaking efficiency. At the same time, when heavy substances such as wood and metal are mixed in the garbage, the first bag-breaking roller assembly 1 and the second bag-breaking roller assembly 3 can be avoided through the guide rail avoidance mechanism 4, which effectively solves the problem of equipment jamming and protects the broken bag at the same time. The bag cutter teeth 13 are protected from damage. In this way, the device as a whole realizes the separation of plastic bags and biomass while realizing bagged garbage breaking and homogenizing, effectively avoiding the phenomenon of plastic entanglement; in addition, the device avoids impurities in high-strength garbage and protects the bag-breaking knife teeth. Improve device operation stability and prolong service life.

Claims (5)

1. A bag-breaking and leveling device for bagged kitchen waste, characterized in that it includes a first bag-breaking roller assembly (1), a bagged garbage feeding port (2), and a second bag-breaking roller assembly (3) , four guide rail avoidance mechanisms with the same structure, frame-shaped frame (5), two three-phase asynchronous motors, garbage discharge port (7), plastic discharge port (8) and two pulleys; the first bag breaking roller The cylinder assembly (1) and the second bag-breaking roller assembly (3) are installed in the frame-shaped frame (5) in parallel; one end of the bag-breaking roller shaft of the first bag-breaking roller assembly (1) is positioned by the first The bearing and the first bearing base are connected with the first sliding bracket, and the first sliding bracket is mounted on one end of a frame, and the first guide rail avoidance mechanism is installed on the outside of the first bearing base and the first sliding bracket; the second One end of the bag-breaking roller shaft of the bag-breaking roller assembly (3) is connected to the second sliding bracket through the second positioning bearing, the second bearing base, and the second sliding bracket is installed on the other end of the one frame , the second bearing base and the outside of the second sliding bracket are equipped with a second guide rail avoidance mechanism; the other end of the bag breaking roller shaft of the first bag breaking roller assembly (1) is respectively positioned by the first pulley and the third Bearing connection, the third positioning bearing, the third bearing base are connected with the third sliding bracket, the third sliding bracket is installed at one end of the other frame, the third bearing base and the third sliding bracket are equipped with the third Three-rail avoidance mechanism; the other end of the bag-breaking roller shaft of the second bag-breaking roller assembly (3) is respectively connected through the second pulley and the fourth positioning bearing, and the fourth positioning bearing, the fourth bearing base and the fourth sliding Bracket connection, the fourth sliding bracket is mounted on the other end of the other frame, the fourth bearing base and the outside of the fourth sliding bracket are equipped with a fourth guide rail avoidance mechanism; the first bag breaking roller assembly ( 1) The first pulley at the other end of the bag-breaking roller shaft is driven by the pulley on the first three-phase asynchronous motor at the bottom of the frame, and the bag-breaking roller shaft of the second bag-breaking roller assembly (3) The second pulley at the other end of the frame is driven by the pulley on the second three-phase asynchronous motor at the bottom of the frame, and the upper part of the first bag breaking roller assembly (1) and the second bag breaking roller assembly (3) is the bag The garbage inlet (2) is installed, the lower central area is the garbage outlet (7), and the outer side of the bag breaking roller is the plastic outlet (8). 2. A device for bag-breaking and homogenizing bagged kitchen waste according to claim 1, characterized in that the four guide rail avoidance mechanisms with the same structure all include directional guide rods (4-2) and compression springs (4 -1); the orientation guide rod (4-2) is installed between the base of the positioning bearing (4-4) and the outside of the sliding bracket (4-3) and the frame on one side, on the orientation guide rod (4-2) A compression spring (4-1) is sleeved, and the compression spring (4-1) is supported between the sliding bracket (4-3) and the frame on one side. 3. A device for bag breaking and homogenizing bagged kitchen waste according to claim 1, characterized in that: the structure of the first bag breaking roller assembly (1) and the second bag breaking roller assembly (3) Similarly, eccentric rollers (16) are installed inside, and the two ends of the eccentric roller shafts are respectively connected with the bag-breaking roller shafts (10) at both ends through connecting rods (14), and the eccentric rollers (16) Install 4~8 groups of bag-breaking cutter teeth (13) in equal parts, each group has 7-11 bag-breaking cutter teeth (13) of equal number distributed along the axial direction, and the two bag-breaking roller assemblies are The bag-breaking cutter teeth (13) on the eccentric roller (16) are interlaced with each other at equal intervals; both ends of the first bag-breaking roller assembly (1) and the second bag-breaking roller assembly (3) are equipped with Supported by the cylinder shaft (10), the pulley (9) is connected to the bag-breaking roller through the connecting flange (11); the inner wall of the bag-breaking roller outer cylinder (15) is equipped with 4 to 8 guide rails installed in equal parts along the axial direction The plate (17), the bag-breaking knife teeth (13) can pass through the outer cylinder of the bag-breaking roller; the outer cylinder of the bag-breaking roller (15) and the bag-breaking roller cover (12) are connected by bolts. 4. A device for breaking bags of bagged kitchen garbage according to claim 2, characterized in that: the center of the first bag breaking roller assembly (1) is connected to the lower box of the bagged garbage feeding port (2). The distance L outside the body is 225mm~325mm; the distance L between the center of the second bag-breaking roller assembly (3) and the other outside of the lower box of the bagged garbage feed port (2) is also 225mm~325mm. 5. A device for bag-breaking and homogenizing bagged kitchen waste according to claim 2, characterized in that: the top of the bag-breaking knife (13) is evenly distributed, and the tooth root width and tooth depth are 10 mm, respectively. Run along the circumference of the bag-breaking roller, the side of the bag-breaking cutter (13) is provided with a cutting edge, and the back of the bag-breaking cutter is concave arc-shaped.