Electric appliance recovery treatment equipment beneficial to environmental protection

Abstract

The invention belongs to the technical field of electric appliance recovery equipment, and particularly relates to electric appliance recovery treatment equipment beneficial to environmental protection. The device comprises a rack, a circuit board disassembling device, a separating device and an activated carbon adsorption box, the top of the separating device is fixedly connected with an exhaust pipe, one end of the exhaust pipe is connected with an air inlet of the activated carbon adsorption box, and the exhaust pipe is connected with a fan; the circuit board disassembling device comprises a heat preservation shell, a heating cylinder arranged in the heat preservation shell and a disassembling cylinder rotationally connected to the periphery of the heating cylinder. Wherein a plurality of heating pipes are mounted on the inner wall of the heating cylinder; a disassembling chamber is formed between the outer wall of the heating cylinder and the inner wall of the disassembling cylinder, and a first driving motor used for driving the disassembling cylinder to rotate is fixedly connected to the rack; by arranging the circuit board disassembling device, the separating device and the activated carbon adsorption box, the disassembling efficiency of components on the circuit board is high, the components are disassembled cleanly and thoroughly, pollutant emission in the disassembling process is small, and environmental protection is facilitated.

Description

Technical Field

[0001] The present invention relates to the technical field of electrical appliance recycling equipment, and in particular to an electrical appliance recycling and processing equipment that is beneficial to environmental protection. Background Art

[0002] Circuit boards are the main body of electrical products and are also the core objects of recycling of waste electrical products. The number of circuit boards that can be recycled is large and the value of resource reuse is high. There are a large number of electronic components on waste circuit boards. Some components will pollute the environment if discarded directly, while some components can be reused. Through the disassembly of circuit board disassembly machines, various components on the circuit boards can be directly de-tinned and collected for corresponding disassembly processing.

[0003] Patent publication number CN217912136U discloses a mechanism for disassembling waste circuit boards. The mechanism involves placing the waste circuit boards inside a cylinder, heating them with a heater, and then turning a motor to flip the boards, melting the solder joints on the components and achieving separation and disassembly. A metal mesh protects the components, preventing them from entering the through-holes and being damaged by the heater. However, this invention has drawbacks. The stacked circuit boards inside the cylinder heat unevenly on some parts of the circuit board. Furthermore, when the circuit boards are flipped, the friction on the middle part of the circuit board is uneven, making it difficult to completely disassemble the components on some parts of the circuit board. Summary of the Invention

[0004] In response to the shortcomings of the existing technology, the present invention provides an environmentally friendly electrical appliance recycling and processing equipment. By being equipped with a circuit board disassembly device, a separation device and an activated carbon adsorption box, the circuit board can be quickly disassembled and cleaned, aiming to solve the problems in the background technology.

[0005] In order to achieve the above technical objectives, the specific technical solutions of the present invention are as follows: an environmentally friendly electrical appliance recycling and processing equipment proposed by the present invention includes: a frame, a circuit board disassembly device, a separation device and an activated carbon adsorption box, wherein an exhaust pipe is fixedly connected to the top of the separation device, one end of the exhaust pipe is connected to the air inlet of the activated carbon adsorption box, and a fan is connected to the exhaust pipe; the circuit board disassembly device includes an insulation shell, a heating cylinder arranged inside the insulation shell, and a disassembly cylinder rotatably connected to the periphery of the heating cylinder; wherein a plurality of heating tubes are installed on the inner wall of the heating cylinder; a disassembly chamber is formed between the outer wall of the heating cylinder and the inner wall of the disassembly cylinder, wherein the gap size of the disassembly chamber is limited to allow a single-layer circuit board to pass through, and the circuit board is disassembled in the disassembly chamber, and a first drive motor for driving the disassembly cylinder to rotate is fixedly connected to the frame.

[0006] Furthermore, the inner wall of the disassembling cylinder is evenly provided with a plurality of limit strips along its radial direction, the surface of the heating cylinder is provided with a plurality of through holes, and the outer wall of the heating cylinder is provided with a plurality of friction strips.

[0007] Furthermore, the first drive motor is connected to a rotating shaft, the disassembling cylinder is fixedly connected to the rotating shaft, and a pair of eccentric wheels are fixedly connected to both ends of the rotating shaft to drive the heating cylinder to vibrate. Rectangular holes that cooperate with the eccentric wheels are provided on both end surfaces of the heating cylinder.

[0008] Furthermore, one end of the heating tube is fixedly connected to an elastic component, the elastic component includes a fixed frame, a sliding rod is fixedly connected to the fixed frame, a vibration seat is slidably connected to the sliding rod, a connecting frame is fixedly connected to the vibration seat, the connecting frame is fixedly connected to one end of the heating tube, and a spring is connected between both ends of the vibration seat and the fixed frame, and the spring is sleeved on the sliding rod.

[0009] Furthermore, an insulation layer is provided on the inner wall of the insulation shell, and a feed hopper is provided on the insulation shell, the lower end of the feed hopper is in contact with the surface of the disassembly cylinder, and the surface of the disassembly cylinder is provided with multiple feed holes that cooperate with the feed hopper.

[0010] Furthermore, the circuit board disassembling device is arranged to be tilted downward in a direction close to the separating device, and a vibration motor is fixedly installed below the circuit board disassembling device.

[0011] Furthermore, the separation device includes a shell, a separation component arranged inside the shell, and a guide plate for guiding the circuit board into the separation component. One side of the shell is provided with a feed port that cooperates with the discharge end of the circuit board disassembly device.

[0012] Furthermore, the separation assembly includes a separation outer cylinder, a separation inner cylinder rotatably connected to the inside of the separation outer cylinder, and a second drive motor for driving the separation inner cylinder to rotate; the surface of the separation inner cylinder is provided with a plurality of leakage holes for components to pass through, and the bottom of the separation outer cylinder is provided with a discharge pipe, which extends to the outside of the separation outer cylinder.

[0013] Furthermore, a spiral blade is provided on the inner wall of the separation inner cylinder, and a retaining ring is provided at one end of the separation inner cylinder close to the guide plate.

[0014] The beneficial effects of the present invention are: 1. The present invention is equipped with a circuit board disassembly device, a separation device and an activated carbon adsorption box, which has high efficiency in disassembling components on the circuit board, and the components are disassembled more cleanly and thoroughly, and less pollutants are discharged during the disassembly process, which is beneficial to environmental protection.

[0015] 2. The circuit board disassembly device of the present invention is provided with a heating cylinder and a disassembly cylinder. A disassembly chamber is formed between the heating cylinder and the disassembly cylinder, which is limited to the passage of a single layer of circuit boards, thereby avoiding the accumulation of circuit boards, causing less damage to the circuit boards during the disassembly process, and ensuring high disassembly cleanliness. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of an environmentally friendly electrical appliance recycling and processing equipment proposed by the present invention.

[0017] Figure 2 This is a structural schematic diagram of the circuit board disassembling device and separation device proposed in the present invention.

[0018] Figure 3 This is a schematic cross-sectional view of the circuit board disassembly device proposed by the present invention.

[0019] Figure 4 This is a schematic structural diagram of the elastic component proposed in the present invention.

[0020] Figure 5 This is a three-dimensional cross-sectional schematic diagram of the separation device proposed in the present invention.

[0021] Figure 6 This is a three-dimensional cross-sectional schematic diagram of the separation component proposed by the present invention.

[0022] The corresponding names of the reference numerals in the figures are as follows: 100, rack; 200, circuit board disassembly device; 201, insulation shell; 202, disassembly cylinder; 203, heating cylinder; 204, first drive motor; 205, rotating shaft; 206, elastic component; 207, vibration motor; 208, feed hopper; 209, insulation layer; 210, feed hole; 211, through hole; 212, eccentric wheel; 213, rectangular hole; 214, heating tube; 215, disassembly chamber; 216, limit strip; 217, friction strip; 2061, fixing frame; 2062, sliding rod; 2063, spring; 2064, vibration seat; 2065, connecting frame; 300, separation device; 301, housing; 302, separation assembly; 303, fan; 304, exhaust pipe; 305, guide plate; 306, feed inlet; 3021, separation outer cylinder; 3022, separation inner cylinder; 3023, leakage hole; 3024, spiral blade; 3025, retaining ring; 3026, discharge pipe; 3027, second drive motor; 400. Activated carbon adsorption box. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] Example: This example discloses an environmentally friendly appliance recycling and processing device, which specifically disassembles the circuit boards in the appliance; Figures 1-6As shown, it includes: a rack 100, a circuit board disassembly device 200, a separation device 300 and an activated carbon adsorption box 400, wherein an exhaust pipe 304 is fixedly connected to the top of the separation device 300, one end of the exhaust pipe 304 is connected to the air inlet of the activated carbon adsorption box 400, and a fan 303 is connected to the exhaust pipe 304; after the circuit board is put into the circuit board disassembly device 200, the components are disassembled from the circuit board, and the disassembled bare board and components enter the separation device 300 together to separate the bare board and components, and the exhaust gas generated by high temperature during the disassembly process is discharged from the exhaust pipe 304 into the activated carbon adsorption box 400, and the activated carbon adsorption box 400 adsorbs harmful gases in the exhaust gas, reduces pollution emissions, and is beneficial to environmental protection.

[0025] like Figure 2-Figure 3As shown, the circuit board disassembly device 200 includes a rectangular heat-insulating shell 201, a heating cylinder 203 arranged inside the heat-insulating shell 201, and a disassembly cylinder 202 arranged outside the heating cylinder 203; wherein the heating cylinder 203 and the disassembly cylinder 202 are both arranged horizontally, and the disassembly cylinder 202 is closed at one end away from the separation device 300 and open at the other end; the disassembly cylinder 202 is rotatably connected to the heat-insulating shell 201, and both ends of the heating cylinder 203 are closed. A plurality of heating tubes 214 are installed on the inner wall of the heating cylinder 203, and the disassembly cylinder 202 is heated by the heating tubes 214. The temperature in 02 is heated to 200-400℃, and the specific temperature is adjusted according to different circuit boards, so that the solder on the circuit board is melted, so that the components are loosened; a disassembly chamber 215 is formed between the outer wall of the heating cylinder 203 and the inner wall of the disassembly cylinder 202, wherein the gap size of the disassembly chamber 215 is limited to a single layer of circuit boards to pass through, thereby avoiding the accumulation of circuit boards in the disassembly chamber and ensuring that each circuit board is heated evenly. When the disassembly cylinder 202 rotates, it ensures that the surface of each circuit board can contact the heating cylinder 203, and the components are removed by friction, so that the components on the circuit board are loosened. The components are removed more cleanly and thoroughly; a first driving motor 204 is fixedly connected to the frame 100 for driving the disassembly cylinder 202 to rotate; wherein, the circuit board disassembly device 200 is tilted downwardly in the direction close to the separation device 300, with an inclination of about 3 degrees, and a vibration motor 207 is fixedly installed below the circuit board disassembly device 200, and the vibration motor 207 can be installed below the heat-insulating shell 201, so that the circuit board is automatically fed into the separation device 300 during the rotation process; in specific implementation: the disassembly cylinder is heated by the heating pipe 214 The temperature inside 202 is heated to 200-400°C, so that the solder on the circuit board melts and the components loosen; the disassembling cylinder 202 is driven to rotate slowly by the first driving motor 204, and the heating cylinder 203 remains stationary. During the rotation of the disassembling cylinder 202, the circuit board is driven to rotate, and the components on the circuit board rub against the outer wall of the heating cylinder 203, so that the components are rubbed off the circuit board. In the disassembly process, the heating cylinder 203 and the disassembling cylinder 202 are driven to vibrate by the vibration motor 207, and the circuit board and components are transported to the separation device 300 for separation.

[0026] Preferably, a plurality of limit bars 216 are evenly provided along the radial direction of the inner wall of the disassembly cylinder 202, and a conveying channel is formed between adjacent limit bars 216. The limit bars 216 enable the disassembly cylinder 202 to drive the circuit board to rotate together when it rotates, and when the vibration motor 207 vibrates, it drives the circuit board to move along the conveying channel toward the separation device 300; a plurality of through holes 211 are provided on the surface of the heating cylinder 203, so that the hot air in the heating cylinder 203 enters the disassembly cylinder 202, and the aperture of the through hole 211 is smaller than the size of the component to prevent the component from being transferred into the heating cylinder 203. Furthermore, a layer of metal protective mesh can be provided on the outer wall of the heating cylinder 203; and a plurality of friction bars 217 are provided on the outer wall of the heating cylinder 203, and the friction bars 217 can more easily knock the components off the circuit board.

[0027] Preferably, the first drive motor 204 is connected to a rotating shaft 205, and the rotating shaft 205 passes through both ends of the heating cylinder 203; the disassembling cylinder 202 is fixedly connected to the rotating shaft 205, and a pair of eccentric wheels 212 are fixedly connected to both ends of the rotating shaft 205, which are used to drive the heating cylinder 203 to vibrate, and rectangular holes 213 that cooperate with the eccentric wheels 212 are provided on the two end surfaces of the heating cylinder 203; when the rotating shaft 205 rotates, the heating cylinder 203 is driven to vibrate up and down through the eccentric wheels 212, constantly changing the gap size of the disassembly chamber 215, so that components on the circuit board are more easily knocked off.

[0028] like Figure 2 and Figure 4 As shown, one end of the heating tube 203 is fixedly connected to an elastic component 206, and the elastic component 206 includes a fixing frame 2061, which can be fixedly installed on the surface of the shell 301 by bolts, and a sliding rod 2062 is fixedly connected to the fixing frame 2061, and a vibration seat 2064 is slidably connected to the sliding rod 2062, and a connecting frame 2065 is fixedly connected to the vibration seat 2064. The connecting frame 2065 is fixedly connected to one end of the heating tube 203 by bolts, and a spring 2063 is connected between both ends of the vibration seat 2064 and the fixing frame 2061, and the spring 2063 is sleeved on the sliding rod 2062; the spring 2063 plays a role in vibration reset of the heating tube 203.

[0029] Preferably, an insulation layer 209 is provided on the inner wall of the insulation shell 201 to reduce the heat loss in the disassembly chamber 215, and a feed hopper 208 is provided on the insulation shell 201, and the lower end of the feed hopper 208 is in contact with the surface of the disassembly cylinder 202, and the gap width in the feed hopper 208 is also limited to a single circuit board passing through, thereby avoiding the circuit board from getting stuck. The surface of the disassembly cylinder 202 has multiple feed holes 210 that cooperate with the feed hopper 208, wherein the feed hole 210 is provided between two adjacent limit bars 216, and the size of the feed hole 210 is larger than the size of the feed hopper 208, so that the circuit board can enter the disassembly chamber 215 more easily; when the disassembly cylinder 202 rotates, when the feed hole 210 coincides with the feed hopper 208, the circuit board enters the disassembly cylinder 202 through the feed hole 210 under gravity.

[0030] like Figure 5-Figure 6As shown, the separation device 300 includes a housing 301, a separation component 302 arranged inside the housing 301, and a guide plate 305 for guiding the circuit board into the separation component 302. One side of the housing 301 is provided with a feed port 306 that cooperates with the discharge end of the circuit board disassembly device 200. The feed port 306 is semicircular, and the guide plate 305 is arranged below the feed port 306 and tilted downward. After separation, the components and circuit boards enter the guide plate 305 through the feed port 306 and then slide into the separation component 302; wherein the end of the separation component 302 extends to the housing 301 outside, the separation assembly 302 includes a separation outer cylinder 3021, a separation inner cylinder 3022 rotatably connected to the inside of the separation outer cylinder 3021, and a second drive motor 3027 for driving the separation inner cylinder 3022 to rotate; the second drive motor 3027 is installed on a motor frame, and the motor frame is fixedly installed on the outer wall of the shell 301, and a connecting frame is fixedly connected to the separation outer cylinder 3021, and the connecting frame is fixedly connected to the rotating shaft of the second drive motor 3027; wherein, both ends of the separation outer cylinder 3021 and the separation inner cylinder 3022 are set as an open structure, and the separation outer cylinder 3021 and the shell are connected. 301 is fixedly connected, the separation inner cylinder 3022 is rotatably connected to the separation outer cylinder 3021, and a gap is provided between the two. The surface of the separation inner cylinder 3022 is provided with a number of leakage holes 3023 for components to pass through. The size of the leakage holes 3023 is limited to the passage of components, and the light plate cannot pass through; and a discharge pipe 3026 is provided at the bottom of the separation outer cylinder 3021, and the discharge pipe 3026 extends to the outside of the separation outer cylinder 3021; ​​the inner wall of the separation inner cylinder 3022 is provided with a spiral blade 3024, which is used to drive the light plate to discharge from one end of the separation inner cylinder 3022, and the separation inner cylinder 3022 is close to the guide A retaining ring 3025 is provided at one end of the plate 305 to prevent the light plate from falling; in specific implementation: after the light plate and components enter the separation inner cylinder 3022, the second drive motor 3027 drives the separation inner cylinder 3022 to rotate, and the rotation process drives the light plate to shake and collide, further causing the components on the light plate to collide and fall off, and the fallen components fall from the leakage hole 3023 into the separation outer cylinder 3021, and then are discharged through the discharge pipe 3026; at the same time, the light plate is discharged from the end of the separation inner cylinder 3022 under the action of the spiral blade 3024, thereby achieving the effect of separating the light plate and components.

[0031] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limiting the present invention.

[0032] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An environmentally friendly electrical appliance recycling and processing equipment, characterized in that: include: A rack (100), a circuit board disassembling device (200), a separation device (300), and an activated carbon adsorption box (400), wherein an exhaust pipe (304) is fixedly connected to the top of the separation device (300), one end of the exhaust pipe (304) is connected to the air inlet of the activated carbon adsorption box (400), and a fan (303) is connected to the exhaust pipe (304); The circuit board disassembly device (200) comprises a heat-insulating shell (201), a heating cylinder (203) arranged inside the heat-insulating shell (201), and a disassembly cylinder (202) arranged outside the heating cylinder (203); wherein a plurality of heating tubes (214) are installed on the inner wall of the heating cylinder (203); A disassembly chamber (215) is formed between the outer wall of the heating cylinder (203) and the inner wall of the disassembly cylinder (202), wherein the gap in the disassembly chamber (215) is limited to a size sufficient for a single-layer circuit board to pass through, and the circuit board is disassembled in the disassembly chamber (215). A first drive motor (204) for driving the disassembly cylinder (202) to rotate is fixedly connected to the frame (100).

2. The environmentally friendly electrical appliance recycling and processing equipment according to claim 1, characterized in that: The inner wall of the disassembling cylinder (202) is evenly provided with a plurality of limiting strips (216) along its radial direction, the surface of the heating cylinder (203) is provided with a plurality of through holes (211), and the outer wall of the heating cylinder (203) is provided with a plurality of friction strips (217).

3. The environmentally friendly electrical appliance recycling and processing equipment according to claim 2, characterized in that: The first drive motor (204) is connected to a rotating shaft (205), the disassembling cylinder (202) is fixedly connected to the rotating shaft (205), and a pair of eccentric wheels (212) are fixedly connected to both ends of the rotating shaft (205) for driving the heating cylinder (203) to vibrate. Rectangular holes (213) that cooperate with the eccentric wheels (212) are provided on both end surfaces of the heating cylinder (203).

4. The environmentally friendly electrical appliance recycling and processing equipment according to claim 3, characterized in that: One end of the heating tube (203) is fixedly connected to an elastic component (206), the elastic component (206) comprises a fixing frame (2061), a sliding rod (2062) is fixedly connected to the fixing frame (2061), a vibration seat (2064) is slidably connected to the sliding rod (2062), a connecting frame (2065) is fixedly connected to the vibration seat (2064), the connecting frame (2065) is fixedly connected to one end of the heating tube (203), and a spring (2063) is connected between both ends of the vibration seat (2064) and the fixing frame (2061), and the spring (2063) is sleeved on the sliding rod (2062).

5. The environmentally friendly electrical appliance recycling and processing equipment according to claim 4, characterized in that: The inner wall of the heat-insulating shell (201) is provided with a heat-insulating layer (209), and the heat-insulating shell (201) is provided with a feed hopper (208), the lower end of the feed hopper (208) is in contact with the surface of the disassembling cylinder (202), and the surface of the disassembling cylinder (202) has a plurality of feed holes (210) that cooperate with the feed hopper (208).

6. The environmentally friendly electrical appliance recycling and processing equipment according to claim 4, characterized in that: The circuit board disassembling device (200) is arranged obliquely downward in a direction close to the separation device (300), and a vibration motor (207) is fixedly installed below the circuit board disassembling device (200).

7. The environmentally friendly electrical appliance recycling and processing equipment according to claim 6, characterized in that: The separation device (300) comprises a housing (301), a separation component (302) disposed inside the housing (301), and a guide plate (305) for guiding the circuit board into the interior of the separation component (302); one side of the housing (301) is provided with a feed port (306) that cooperates with a discharge end of the circuit board disassembling device (200).

8. The environmentally friendly electrical appliance recycling and processing equipment according to claim 7, characterized in that: The separation assembly (302) comprises a separation outer cylinder (3021), a separation inner cylinder (3022) rotatably connected to the interior of the separation outer cylinder (3021), and a second drive motor (3027) for driving the separation inner cylinder (3022) to rotate; a plurality of leakage holes (3023) for components to pass through are provided on the surface of the separation inner cylinder (3022), and a discharge pipe (3026) is provided at the bottom of the separation outer cylinder (3021), and the discharge pipe (3026) extends to the outside of the separation outer cylinder (3021).

9. The environmentally friendly electrical appliance recycling and processing equipment according to claim 8, characterized in that: The inner wall of the separation inner cylinder (3022) is provided with a spiral blade (3024), and an end of the separation inner cylinder (3022) close to the material guide plate (305) is provided with a retaining ring (3025).

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