A dry cleaning friction machine

Abstract

The present invention discloses a dry cleaning friction machine, comprising a feed inlet (12), a main screen (6), a main shaft (3) and a lower discharge system (16), wherein a polygonal weldment having multiple faces is provided on the main shaft (3), and only a blade base (301) or a beating rod (303) is provided on one face of the polygonal weldment, and the blade base (301) and the beating rod (303) are arranged at intervals on multiple faces of the polygonal weldment; the main screen (6) is arranged around the main shaft (3) and is formed by splicing multiple mesh structure faces, and its shape is the same as that of the polygonal weldment, and the mesh structure faces correspond to the faces of the polygonal weldment one by one; the top and bottom of the main screen (6) are both provided with openings, the feed inlet (12) is connected to the top opening, and the lower discharge system is connected to the bottom opening. The dry cleaning friction machine of the present invention realizes the separation of dust from light materials, and the transformation of light materials from whole pieces to fragments, which is convenient for screening in subsequent processes.

Description

Technical Field

[0001] The invention belongs to the technical field of friction dust removal, and more specifically, relates to a dry cleaning friction machine. Background Art

[0002] In recent years, the amount of urban domestic waste has increased year by year. Traditional landfill and incineration can no longer meet the needs of urban development. Efficient recycling of waste classification is becoming more and more important. Domestic waste mainly consists of metals, paper products, glass, natural organic materials, discarded plastic and resin products, rubber, chemical fiber products, difficult-to-regenerate combustibles, and electronic waste, most of which can be recycled.

[0003] The dry cleaning friction machine is used to remove dust from light materials such as discarded plastics, resins and chemical fibers after the initial screening of domestic waste, so as to facilitate further screening by subsequent equipment. During the material crushing process, the light materials must be able to pass quickly without accumulation, and the dust must be removed and crushed to prepare for subsequent screening. There is no structure in the prior art that can well achieve dust separation and material crushing. Summary of the invention

[0004] In view of the above defects or improvement needs of the prior art, the present invention provides a dry cleaning friction machine, which is configured by setting the main shaft into a polygonal structure through a polygonal weldment, and only arranging blades on one surface, or only arranging beating rods, and the blades and beating rods are arranged at intervals on multiple surfaces of the polygonal weldment. During the rotation, several rows of blades and several rows of beating rods rotate accordingly, and the beating rods are used to comb the materials to prevent tangling, and the blades are used to cut and crush the materials, and both are performed simultaneously; during the combing process, the materials and dust are separated, and a main screen matching its shape is arranged around the outside of the main shaft, and the light material enters the discharging system after passing through the screen, and the screen surrounding the main shaft allows the light material to be screened out from any surface, thereby improving the screening efficiency.

[0005] In order to achieve the above-mentioned object, the present invention provides a dry cleaning friction machine, comprising a feed inlet, a main screen, a main shaft and a lower discharge system, wherein a polygonal weldment having multiple faces is provided on the main shaft, only a blade base or only a beating rod is provided on one face of the polygonal weldment, and the blade base and the beating rod are arranged at intervals on multiple faces of the polygonal weldment;

[0006] The main screen is arranged around the main shaft and is composed of multiple mesh structure surfaces, and its shape is the same as the polygonal weldment, and the mesh structure surface corresponds to the surface of the polygonal weldment one by one; the top and bottom of the main screen are provided with openings, the feed port is connected to the top opening of the main screen, and the lower discharge system is connected to the bottom opening, so that the material enters the main screen and is dusted and crushed by the main shaft.

[0007] Furthermore, it also includes an upper frame and a lower frame, the upper frame and the lower frame form a closed space, and the main shaft and the main screen are both placed in the closed space.

[0008] Furthermore, baffles are fixed at both ends of the main screen to completely cover both sides of the main screen.

[0009] Furthermore, a cushion block is provided at the bottom of the main screen to keep the main screen coaxial with the main shaft.

[0010] Furthermore, a screen fixing frame is provided between the main screen and the upper frame, and the screen fixing frame is a right-angled triangle structure, the hypotenuse of which is fixed to the main screen, and the right-angled side of which is fixed to the upper frame.

[0011] Furthermore, it also includes a side discharge system, and the lower discharge system and the side discharge system both include a rotating shaft and a spiral blade fixed on the rotating shaft. The top of the side discharge system is also provided with a dust suction port, and a filter is provided between the dust suction port and the spiral blade of the side discharge system.

[0012] Furthermore, the filter screen is an arched structure, and the suction port is a structure with a circular top and a rectangular bottom.

[0013] Furthermore, a dust suction duct is provided at the top of the enclosed space, and the dust suction duct includes an air duct parallel to the main axis and a dust suction port connected to the enclosed space.

[0014] Furthermore, an upper material guide cylinder is provided between the feed port and the main screen, and a lower material guide cylinder and a material guide hopper are provided in sequence between the main screen and the lower discharge system.

[0015] Furthermore, the main shaft is also provided with a discharge air plate for flapping the material on the main shaft.

[0016] In general, the above technical solutions conceived by the present invention can achieve the following beneficial effects compared with the prior art:

[0017] (1) The dry cleaning friction machine of the present invention is configured by setting the main shaft into a polygonal structure through a polygonal weldment, and only arranging blades or only arranging beating rods on one surface, and the blades and beating rods are arranged at intervals on multiple surfaces of the polygonal weldment. During the rotation process, several rows of blades and several rows of beating rods rotate accordingly, and the beating rods are used to comb the materials to prevent tangling, and the blades are used to cut and crush the materials, and both are performed simultaneously; during the combing process, the materials and dust are separated, and a main screen matching the shape of the main shaft is arranged around the outside of the main shaft, and the light material enters the discharge system after passing through the screen. The screen surrounding the main shaft allows the light material to be screened out from any surface, thereby improving the efficiency of screening.

[0018] (2) In the dry cleaning friction machine of the present invention, the main screen is fixed to the upper frame by a screen fixing frame to prevent it from shaking. A cushion block is provided at the bottom of the main screen to cushion the main screen to prevent it from sagging under the action of gravity, resulting in the axis of the main screen after splicing being not concentric with the axis of the main shaft.

[0019] (3) In the dry cleaning friction machine of the present invention, a dust suction duct is arranged at the top, so that the raised dust is sucked into the vacuum cleaner. A side discharge system is also arranged. A dust suction port is arranged in the side discharge system and a screen is matched to further absorb dust. The screen is arranged in an arch shape to increase the contact area and achieve a better filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a cross-sectional schematic diagram of a dry cleaning friction machine in an embodiment of the present invention;

[0021] Figure 2 is a structural schematic diagram of a dry cleaning friction machine in an embodiment of the present invention;

[0022] Figure 3 is a schematic structural diagram of a main shaft in an embodiment of the present invention;

[0023] Figure 4 Schematic diagram of the structure of the dust suction duct in an embodiment of the present invention;

[0024] Figure 5 is a schematic diagram of the structure of the main screen in an embodiment of the present invention;

[0025] Figure 6 Schematic diagram of the mesh structure of a single surface of the feed screen in an embodiment of the present invention;

[0026] Figure 7 Schematic diagram of the mesh structure of a single surface of the discharge screen in an embodiment of the present invention;

[0027] Figure 8 is a schematic structural diagram of a screen fixing frame in an embodiment of the present invention;

[0028] In all the drawings, the same reference numerals represent the same technical features, specifically: 1. lower frame; 2. spacer; 3. main shaft; 4. feed screen; 5. discharge screen; 6. main screen; 7. baffle; 8. split flange; 9. screen fixing frame; 10. upper guide cylinder; 11. upper frame; 12. feed port; 13. dust suction duct; 14. lower guide cylinder; 15. guide hopper; 16. lower discharge system; 17. side discharge system System; 18, sealing plate; 301, blade base; 302, blade; 303, beating stick; 304, discharge air plate; 1501, first side discharge port; 1601, first rotating shaft; 1602, first spiral blade; 1603, lower discharge port; 1701, second rotating shaft; 1702, second spiral blade; 1703, filter screen; 1704, dust suction port; 1705, second side discharge port; 1706, feed port. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0030] Figure 1 Schematic cross-sectional view of the dry cleaning friction machine in an embodiment of the present invention. Figure 2 Schematic diagram of the structure of the dry cleaning friction machine in the embodiment of the present invention. Figure 1 and Figure 2 As shown, the dry cleaning friction machine of the present invention comprises a friction chamber formed by an upper frame 11 and a lower frame 1, an upper guide cylinder 10, a lower guide cylinder 14, a main shaft 3, a feed screen 4, a discharge screen 5, a guide hopper 15, a lower discharge system 16, a side discharge system 17 and sealing plates 18 on both sides; the friction chamber is a closed space, the main shaft 3 is arranged in the friction chamber, the main screen 6 is arranged in the friction chamber and around the main shaft 3, wherein the feed screen 4 and the discharge screen 5 are both part of the main screen 6. The feed screen 4 is located at the top of the main screen 6, and an inlet of the feed screen is arranged thereon, and the discharge screen 5 is located at the bottom of the main screen 6, and an outlet of the discharge screen is arranged thereon.

[0031] The feed port 12 is arranged at the top of the friction chamber, and an upper material guide cylinder 10 is arranged between the feed screen 4 and the feed port 12. The upper part of the upper material guide cylinder 10 is nested with the lower part of the feed port 12, and the lower part is nested with the entrance of the feed screen 4. The material enters the main shaft 3 through the feed port 12, the upper material guide cylinder 10, and the entrance of the feed screen 4 in sequence.

[0032] The lower discharge system 16 is arranged at the bottom of the friction chamber, and a lower guide cylinder 14 and a guide hopper 15 are arranged between the discharge screen 5 and the lower discharge system 16. The top of the lower guide cylinder 14 is connected to the outlet of the discharge screen, and the bottom of the lower guide cylinder 14 is placed in the opening of the guide hopper 15.

[0033] The guide hopper 15 is provided with a bottom discharge port and a first side discharge port 1501 . The bottom discharge port is connected to the lower discharge system 16 , and the first side discharge port 1501 is connected to the side discharge system 17 .

[0034] The lower discharge system 16 includes a first rotating shaft 1601, a first spiral blade 1602 and a lower discharge port 1603, and the side discharge system 17 includes a second rotating shaft 1701, a second spiral blade 1702, a filter screen 1703, a dust suction port 1704, a second side discharge port 1705 and an inlet 1706. The first spiral blade 1602 is arranged on the outer periphery of the first rotating shaft 1601, and the rotation of the first rotating shaft 1601 drives the first spiral blade 1602 to rotate, and the material is turned over by the rotation of the first spiral blade, so that the material is uniformly and continuously discharged from the lower discharge port 1603. The inlet 1706 is connected with the first side discharge port 1501 on the guide hopper 15, and the second spiral blade 1702 is arranged on the outer periphery of the second rotating shaft 1701, and the rotation of the second rotating shaft 1701 drives the second spiral blade 1702 to rotate, and the material is turned over by the rotation of the second spiral blade, so that the material is uniformly and continuously dispersed.

[0035] An upper cover plate is provided at the upper end of the second spiral blade 1702, and a dust suction port 1704 is provided on the upper cover plate. Dust in the side discharge system is sucked out through the dust suction port 1704. Preferably, the dust suction port 1704 is a structure with a circular top and a rectangular bottom to facilitate the suction of dust.

[0036] Preferably, a filter screen 1703 is provided between the second spiral blade 1702 and the dust suction port 1704. The filter screen 1703 is used to prevent the dust suction port from sucking out the material, and serves as a filtering structure for dust and material. Preferably, the filter screen 1703 is arranged in the middle section of the second rotating shaft 1701, and the filter screen 1703 is arched, which has a larger contact area and a better filtering effect. Baffles are provided at both ends of the filter screen 1703, which are connected to the U-shaped angle cage by screws.

[0037] The second side discharge port 1705 and the feed port 1706 are arranged at two ends of the first rotating shaft 1601 , so that the material after dust collection is discharged from the second side discharge port 1705 .

[0038] Preferably, the first spiral blade 1602 and the second spiral blade 1702 are both spiral structures with equal pitches, and the spiral structures are continuously arranged to the lower discharge port 1603 or the second side discharge port 1705 .

[0039] Figure 3 Schematic diagram of the structure of the main shaft in the embodiment of the present invention. Figure 3 As shown, the spindle structure includes a blade base 301, a blade 302, a beating rod 303, a driving shaft, a driven shaft, a round steel cylinder and a polygonal weldment; the round steel cylinder is a hollow cylindrical structure, the polygonal weldment is sleeved on the outer circumference of the round steel cylinder, and each surface of the polygonal weldment is in contact with (tangent to) the circumference of the round steel cylinder, and the round steel cylinder is used to provide support for the polygonal weldment. Preferably, the contact point between the polygonal weldment and the round steel cylinder is welded, and the connection between the two is more stable, thereby ensuring the strength and stability of the spindle structure.

[0040] The polygonal weldment is preferably a regular polygon, and more preferably a regular hexagon or a regular octagon. The setting of a regular polygon makes the spindle structure more uniform and the rotation smoother. It is also conducive to the uniform arrangement of the blade 302 and the beating rod 303, and the lightweight material is cut and struck by the blade 302 and the beating rod 303.

[0041] Preferably, a dust suction duct 13 is provided on the top of the friction chamber. Figure 4 As shown, the dust suction duct 13 includes an air duct and a dust suction port. Preferably, the air duct is parallel to the main shaft 3. There are several dust suction ports, which are connected to the friction chamber. The raised dust enters the vacuum cleaner for processing through the dust suction duct 13. Light materials with smaller diameters can pass through the main screen 6 and fall into the lower discharge system 16. The rest enters the side discharge system 17 through the lower guide cylinder 14 under the beating of the discharge air plate 304 of the main shaft 3.

[0042] Figure 6 It is a schematic diagram of the mesh structure of a single surface of the feed screen in an embodiment of the present invention. Figure 7 Schematic diagram of the mesh structure of a single surface of the discharge screen in the embodiment of the present invention. Figure 2 , Figure 6 and Figure 7 The main screen 6 is formed by splicing a number of mesh structure surfaces, and the shape of the main screen 6 is the same as the shape of the polygonal weldment, and the mesh structure surface is set corresponding to the surface of the polygonal weldment; wherein each mesh structure surface is a four-sided bending part, and circular holes are evenly arranged on the bending edges, so as to splice into a polygonal structure through the circular holes. If the polygonal weldment is a regular hexagon, the main screen 6 is a regular hexagonal structure, and the matching setting of the main screen 6 and the main shaft 3 allows the material to be screened out from any surface of the main screen 6, so that the screening effect is better.

[0043] Preferably, the aperture sizes of the feed screen 4 and the discharge screen 5 are the same.

[0044] Baffles 7 are provided at both ends of the main screen 6. Preferably, the baffles 7 have the same cross-section as the main screen 6. The baffles on both sides block the light material from falling into the lower discharge system 16. Furthermore, a split flange 8 is provided on the baffle 7. The split flange is coaxial with the main shaft and is fixed to the baffle 7 by screws.

[0045] Figure 8 Schematic diagram of the structure of the screen fixing frame in the embodiment of the present invention. Figure 8 As shown, the screen fixing frame 9 is a right triangle structure, with fixing holes on the hypotenuse and one right angle side, and a through hole is correspondingly provided on the main screen 6, and the through hole on the main screen 6 corresponds to the fixing hole on the hypotenuse, the main screen 6 is fixed to the screen fixing frame 9 through the through hole and the fixing hole on the hypotenuse, and the screen fixing frame 9 is fixed to the upper frame 11 through the fixing hole on the right angle side. The screen fixing frame 9 is arranged along the axis direction of the main shaft, and preferably, the screen fixing frame 9 is fixed to the upper frame 11 by adjusting screws, and the main screen 6 is tightened by adjusting the extension length of the screws to prevent it from moving left and right.

[0046] Preferably, a cushion block 2 is provided at the bottom of the lower frame 1, and the screen is padded by the cushion block 2 to prevent it from sagging under the action of gravity, which causes the axis of the spliced ​​main screen 6 to be non-concentric with the axis of the main shaft 3.

[0047] The polygonal weldment is composed of multiple faces. Preferably, the polygonal weldment is formed by welding multiple flat plates of the same size. Blade bases 301 and beating rods 303 are respectively provided on the multiple faces of the polygonal weldment, and only the blade base 301 or only the beating rod 303 is provided on one face, and the blade base 301 and the beating rod 303 are respectively provided on two adjacent faces, that is, the blade base 301 and the beating rod 303 are alternately provided on the polygonal weldment.

[0048] Among them, several blade bases 301 are arranged in parallel along the axis of the polygonal weldment, and the blade base 301 includes a bottom plate and a fixing plate, which are arranged vertically, and first fixing holes are arranged at both ends of the bottom plate, and the blade base 301 is fixed to the polygonal weldment through the first fixing holes; preferably, the blade base 301 is arranged obliquely, that is, the blade base 301 is not parallel to the cross section of the main axis, but is arranged at a certain angle to the cross section of the main axis, so as to better comb and spread the materials and prevent the materials from being entangled, and the implementation method is that the first fixing hole is a waist hole, and the center angle of the two ends is 10° to 30°, preferably, the center angle of the two ends of the waist hole is 20°, and the angle between the blade base 301 and the central axis of the regular hexagonal weldment is adjusted through the waist hole. Preferably, the initial position of the blade base 301 is 75°, and by adjusting the position of the waist hole, the angle between the blade base 301 and the center line of the polygonal weldment can be adjusted within a larger range.

[0049] The fixing plate is provided with a second fixing hole, and the blade is fixed to the fixing plate through the second fixing hole, so that a plurality of blades 302 are arranged in sequence along the axial direction of the main shaft.

[0050] Preferably, the blade base 301 is evenly divided into several sections along the axial direction, and the angle between the blade base 301 in each section and the center line of the polygonal weldment is the same, and the angle between the blade base 301 and the center line of the polygonal weldment decreases successively. Such a design makes the cutting effect of the blade in each section at different angles better.

[0051] The beating rods 303 are arranged in sequence along the axis of the polygonal weldment. Preferably, the beating rods 303 on each surface are arranged in a straight line to facilitate combing the material. The top of the beating rod 303 is a rectangular structure, and the cylindrical or rectangular design can prevent the material from being entangled; the bottom of the beating rod 303 is a flat plate with holes, and the beating rod 303 is fixed to the polygonal weldment by screws and the flat plate with holes.

[0052] Preferably, along the axial direction, the beating rod 303 is located between the two blades to better comb and disperse the materials.

[0053] The beating rod 303 is used to comb the material to prevent the material from being entangled, and the blade 302 is used to cut the material. The two are arranged at an interval, and the dust and the material are separated and the material is crushed at the same time, so that the material can pass quickly without accumulation, and the dust on the material is quickly removed. The crushing of the material prepares for subsequent screening.

[0054] A driving shaft is provided on one side of the round steel cylinder, and a driven shaft is provided on the other side. The third circular plate, the second circular plate and the first circular plate are provided at both ends of the round steel cylinder from the outside to the inside, and the first circular plate, the second circular plate and the third circular plate are arranged in parallel and are perpendicular to the axis of the main shaft; the first circular plate, the second circular plate and the third circular plate are provided with circular holes in the centers, and the driving shaft and the driven shaft pass through the third circular plate, the second circular plate and the first circular plate in turn, and are fixed on the first circular plate, the second circular plate and the third circular plate, and then are respectively fixed on the two ends of the round steel cylinder, and the round steel cylinder and the polygonal weldment are driven to rotate by the rotation of the driving shaft and the driven shaft.

[0055] Preferably, the thicknesses of the third circular plate, the second circular plate and the first circular plate decrease successively. The decreasing thickness setting ensures a firm connection between the driving shaft and the driven shaft and the round steel cylinder, while also reducing the weight of the main shaft and lowering energy consumption.

[0056] It will be easily understood by those skilled in the art that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A dry cleaning friction machine, comprising a feed inlet (12) and a main screen (6), characterized in that: It also includes a main shaft (3) and a lower discharge system (16), wherein a polygonal weldment having multiple faces is provided on the main shaft (3), only a blade base (301) or only a beating rod (303) is provided on one face of the polygonal weldment, and the blade base (301) and the beating rod (303) are provided at intervals on multiple faces of the polygonal weldment; The main screen (6) is arranged around the main shaft (3) and is composed of a plurality of mesh structure surfaces spliced ​​together, and its shape is the same as the polygonal weldment, and the mesh structure surface corresponds to the surface of the polygonal weldment one by one; the main screen (6) is provided with openings at the top and bottom, the feed port (12) is connected to the top opening of the main screen (6), and the lower discharge system is connected to the bottom opening, so that the material enters the main screen and is dust-removed and crushed by the main shaft; It also comprises an upper frame (11) and a lower frame (1), wherein the upper frame (11) and the lower frame (1) form a closed space, and the main shaft (3) and the main screen (6) are both placed in the closed space; and It also includes a side discharge system (17), wherein the lower discharge system (16) and the side discharge system (17) both include a rotating shaft and a spiral blade fixed on the rotating shaft, and a dust suction port (1704) is also provided at the top of the side discharge system (17), and a filter screen (1703) is provided between the dust suction port (1704) and the spiral blade of the side discharge system; the filter screen (1703) is an arched structure, and the dust suction port (1704) is a structure with a circular top and a rectangular bottom; A screen fixing frame (9) is provided between the main screen (6) and the upper frame (11); the screen fixing frame (9) is a right-angled triangle structure, with its hypotenuse fixed to the main screen (6) and its right-angled side fixed to the upper frame (11).

2. A dry cleaning friction machine according to claim 1, characterized in that: Baffles (7) that completely cover both sides of the main screen (6) are fixed at both ends of the main screen (6).

3. A dry cleaning friction machine according to claim 2, characterized in that: A cushion block (2) is provided at the bottom of the main screen (6) for keeping the main screen (6) coaxial with the main shaft (3).

4. A dry cleaning friction machine according to claim 1, characterized in that: A dust suction duct (13) is provided at the top of the enclosed space, and the dust suction duct (13) comprises an air duct parallel to the main axis (3) and a dust suction port connected to the enclosed space.

5. A dry cleaning friction machine according to claim 1, characterized in that: An upper material guide cylinder (10) is provided between the material inlet (12) and the main screen (6), and a lower material guide cylinder (14) and a material guide hopper (15) are provided in sequence between the main screen (6) and the lower discharge system (16).

6. A dry cleaning friction machine according to claim 1, characterized in that: The main shaft (3) is also provided with a discharge air plate (304) for beating the material on the main shaft (3).

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