Automatic collection, crushing and conveying system for gypsum board waste

Abstract

The present invention discloses an automatic collection, crushing and conveying system and method for gypsum board waste, comprising: a belt conveyor; a collection box, the bottom of the inner cavity of which is provided with a material dropping ramp, and a side of the collection box corresponding to the lower end of the material dropping ramp is provided with an automatic opening and closing material door assembly; a conveying mechanism; a weighing sensor for collecting the weight of the gypsum board waste in the collection box; a coarse crushing mechanism; a buffer silo; a screw conveyor; a fine crushing mechanism; a screening mechanism; a position sensing module for sensing the position of the collection box; and a PLC control module. The present invention obtains the weight of the gypsum board waste in the collection box through a weighing sensor, and then controls the belt conveyor to stop, the conveying mechanism to start, and the automatic opening and closing material door assembly to close through a PLC control module, senses the position of the collection box through a position sensing module, and then controls the conveying mechanism to stop, the automatic opening and closing material door assembly to open, the coarse crushing mechanism to start, and the belt conveyor to start through the PLC control module, with high automation and high efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of raw gypsum production, and in particular to an automatic collection, crushing and conveying system for gypsum board waste. Background Art

[0002] In the process of gypsum board production, some rough sawn materials, scraps and unqualified defective boards will be generated. Due to the characteristics of gypsum, these waste materials can be reused. In the process of reuse, crushing and screening are inevitable. During the crushing and screening process, the gypsum board waste needs to be transported. In the prior art, the process of recycling gypsum board waste has a low degree of automation, and manual control of the transportation of gypsum board waste is required. The labor intensity of workers is high, and the efficiency of recycling gypsum board waste is low. Summary of the invention

[0003] The object of the present invention is to provide a system and method for automatically collecting, crushing and conveying waste gypsum boards, so as to solve the problem of low automation in the process of reusing waste gypsum boards in the prior art.

[0004] In order to solve the above technical problems, the present invention specifically provides the following technical solutions:

[0005] In one aspect of the present invention, a gypsum board waste automatic collection, crushing and conveying system is provided, comprising:

[0006] Belt conveyor to transport gypsum board waste;

[0007] A material collection box is arranged at the bottom of the material dropping end of the belt conveyor, and an opening is arranged at the top thereof for receiving and collecting gypsum board waste. A material dropping ramp is arranged at the bottom of the inner cavity of the material collection box, and an automatic opening and closing material door assembly is arranged on one side of the material collection box corresponding to the lower end of the material dropping ramp;

[0008] A conveying mechanism, arranged at the bottom of the material collection box, for conveying the material collection box back and forth;

[0009] A weighing sensor is arranged between the collecting box and the conveying mechanism to collect the weight of the gypsum board waste in the collecting box;

[0010] A coarse crushing mechanism, arranged at the end of the conveying mechanism, coarsely crushes the gypsum board waste in the collecting box;

[0011] A buffer silo is provided on the side of the coarse crushing mechanism to buffer the materials obtained by the coarse crushing mechanism;

[0012] A screw conveyor is arranged between the discharge port of the coarse crushing mechanism and the feed port of the buffer silo;

[0013] A fine crushing mechanism is arranged at the bottom of the buffer silo to finely crush the material in the buffer silo;

[0014] A screening mechanism, arranged at the bottom of the fine crushing mechanism, for screening the material obtained after being crushed by the fine crushing mechanism;

[0015] A position sensing module is arranged on the side of the material dropping end of the belt conveyor and on the side of one end of the conveying mechanism provided with the rough crushing mechanism, and is used to sense the position of the aggregate box;

[0016] A PLC control module is electrically connected to the belt conveyor, the transmission mechanism, the weighing sensor, the automatic opening and closing material door assembly, the coarse crushing mechanism and the position sensing module.

[0017] Furthermore, the automatic opening and closing material door assembly includes a material door inserted into the side of the material collection box, a fixed frame arranged at the top of the material door and fixedly connected to the material collection box, and a cylinder arranged at the top of the fixed frame with the end of the piston rod facing downward and fixedly connected to the material door, and the PLC control module is electrically connected to the cylinder.

[0018] Furthermore, the conveying mechanism includes a base, a driving assembly arranged at the top of the base and a supporting plate arranged at the top of the driving assembly, and the weighing sensor is arranged between the supporting plate and the aggregate box.

[0019] Furthermore, the driving assembly includes a fixed seat arranged at the top of the base along the length direction of the base, a slide groove opened at the top of the fixed seat along the length direction of the fixed seat, a screw rotatably arranged in the slide groove, a motor arranged at the end of the base to drive the screw to rotate, and a slider slidably arranged in the slide groove and threadedly connected to the screw, the support plate is fixedly arranged at the top of the slider, and the PLC control module is electrically connected to the motor.

[0020] Furthermore, support plates are respectively arranged at the front and rear sides of the bottom end of the support plate, and balls are respectively arranged at the bottom ends of the support plates, and the bottom ends of the balls are in rolling contact with the top end of the base.

[0021] Furthermore, dust hoods are provided at the top of the belt conveyor, the top opening of the collection box and the top feed port of the coarse crushing mechanism. The dust hoods are connected to the dust collecting equipment through dust collecting pipes, respectively. Flexible barrier bags are provided between the discharge port of the coarse crushing mechanism and the feed port of the screw conveyor, between the discharge port of the screw conveyor and the feed port of the buffer silo, and between the discharge port of the fine crushing mechanism and the feed port of the screening mechanism.

[0022] Furthermore, the discharge port of the buffer silo and the feed port of the fine crushing mechanism are connected via a grid wheel.

[0023] Furthermore, the position sensing module is a photoelectric sensor or a proximity switch, and the PLC control module is electrically connected to the photoelectric sensor or the proximity switch.

[0024] In another aspect of the present invention, a method for automatically collecting, crushing and conveying gypsum board waste is provided, which is applied to the above-mentioned automatic collection, crushing and conveying system for gypsum board waste, and comprises the following steps:

[0025] Step S100: the gypsum board waste is conveyed on the belt conveyor and falls into a collecting box from the end of the belt conveyor;

[0026] Step S200: The weighing sensor collects the weight of the gypsum board waste in the collecting box in real time and transmits it to the PLC control module;

[0027] Step S300: When the weight of the gypsum board waste in the collection box reaches a threshold, the PLC control module controls the belt conveyor to stop feeding, and controls the conveying mechanism to start, so as to convey the collection box to one side of the coarse crushing mechanism;

[0028] Step S400: the position sensing module disposed on the side of one end of the conveying mechanism provided with the coarse crushing mechanism senses the material collection box, the PLC control module controls the conveying mechanism to stop conveying, and at the same time controls the automatic opening and closing material door assembly to open and controls the coarse crushing mechanism to start, and the gypsum board waste in the material collection box falls into the coarse crushing mechanism through the falling ramp for coarse crushing;

[0029] Step S600: The screw conveyor conveys the gypsum board waste obtained after being crushed by the coarse crushing mechanism into the buffer silo;

[0030] Step S700: the material in the buffer silo falls into the fine crushing mechanism at the bottom for fine crushing;

[0031] Step S800: the material obtained after being crushed by the fine crushing mechanism enters the screening mechanism for screening, and finally obtains gypsum powder and board surface paper impurities;

[0032] Step S900: In step S400, when all the gypsum board waste in the collection box falls into the coarse crushing mechanism, the weighing sensor transmits the collected weight data to the PLC control module, and the PLC control module controls the automatic opening and closing material door assembly to close, and controls the conveying mechanism to start, so as to convey the collection box to one side of the belt conveyor mechanism;

[0033] Step S1000: the position sensing module disposed on the side of the material-dropping end of the belt conveyor senses the material collection box, the PLC control module controls the conveying mechanism to stop conveying, and controls the belt conveyor to start feeding, and then repeats steps S200 to S1000;

[0034] In the process of automatic collection, crushing and transportation of gypsum board waste, the spilled dust is collected through dust hoods, dust collecting pipes and dust collecting equipment.

[0035] Furthermore, in step S400, after the coarse crushing mechanism is started, when all the gypsum board waste in the coarse crushing mechanism is crushed, the coarse crushing mechanism is manually closed, or the working time of each coarse crushing mechanism is set through the PLC control module. After each start-up, the coarse crushing mechanism will automatically close after the set working time is reached.

[0036] Compared with the prior art, the present invention has the following beneficial effects:

[0037] In the present invention, a weighing sensor is arranged to automatically collect weight data of gypsum board waste in a collection box and transmit the data to a PLC control module. The PLC control module controls a transmission mechanism to automatically transmit the collection box, stops a belt conveyor, and closes an automatic opening and closing material door assembly according to the received weight data. In addition, a position sensing module is arranged to sense the position of the collection box. The PLC control module controls the transmission mechanism to stop, opens the automatic opening and closing material door assembly, starts a rough crushing mechanism, and starts the belt conveyor according to the received position information of the collection box. The entire process of automatic collection, crushing, and transportation of gypsum board waste has a high degree of automation, which reduces the labor intensity of workers and improves the efficiency of recycling gypsum board waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0039] Figure 1 This is a schematic diagram of the structure of the automatic collection, crushing and conveying system for gypsum board waste in the present invention;

[0040] Figure 2 It is a top view of the belt conveyor, the aggregate box, the transmission mechanism and the coarse crushing mechanism in the present invention;

[0041] Figure 3 It is a schematic diagram of the structure of the aggregate box in the present invention;

[0042] Figure 4 It is a cross-sectional view of the transmission mechanism in the present invention;

[0043] Figure 5 It is a schematic diagram of the support plate structure in the present invention.

[0044] The numbers in the figure represent the following:

[0045] 1-belt conveyor; 2-collection box; 3-transmission mechanism; 4-weighing sensor; 5-coarse crushing mechanism; 6-buffer silo; 7-screw conveyor; 8-fine crushing mechanism; 9-screening mechanism; 10-position sensing module; 100-PLC control module; 200-dust hood; 300-dust collection pipe; 400-flexible barrier bag; 500-grid wheel;

[0046] 21-blanking ramp; 22-automatic opening and closing door assembly; 31-base; 32-driving assembly; 33-support plate;

[0047] 221-material door; 222-fixed frame; 223-cylinder; 321-fixed seat; 322-slideway; 323-screw; 324-motor; 325-slider; 331-support plate;

[0048] 3311-Ball. DETAILED DESCRIPTION

[0049] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0050] like Figure 1 As shown, the present invention provides a gypsum board waste automatic collection, crushing and conveying system, comprising:

[0051] Belt conveyor 1, for conveying gypsum board waste;

[0052] A material collecting box 2 is arranged at the bottom of the material dropping end of the belt conveyor 1, and an opening is arranged at the top thereof for receiving and collecting gypsum board waste. A material dropping ramp 21 is arranged at the bottom of the inner cavity of the material collecting box 2, and an automatic opening and closing material door assembly 22 is arranged at one side of the material collecting box 2 corresponding to the lower end of the material dropping ramp 21;

[0053] The conveying mechanism 3 is arranged at the bottom of the material collecting box 2 and conveys the material collecting box 2 back and forth;

[0054] The weighing sensor 4 is arranged between the collecting box 2 and the conveying mechanism 3 to collect the weight of the gypsum board waste in the collecting box 2;

[0055] A coarse crushing mechanism 5 is arranged at the end of the conveying mechanism 3 to coarsely crush the gypsum board waste in the collecting box 2;

[0056] A buffer silo 6 is provided on the side of the coarse crushing mechanism 5 to buffer the material obtained by the coarse crushing mechanism 5;

[0057] The screw conveyor 7 is arranged between the discharge port of the coarse crushing mechanism 5 and the feed port of the buffer bin 6;

[0058] The fine crushing mechanism 8 is arranged at the bottom of the buffer silo 7 to finely crush the materials in the buffer silo 6;

[0059] The screening mechanism 9 is arranged at the bottom of the fine crushing mechanism 8, and screens the material obtained after being crushed by the fine crushing mechanism 8;

[0060] Position sensing module 10, such as Figure 1 and Figure 2 As shown, the side of the belt conveyor 1 at the material dropping end and the side of the conveying mechanism 3 at one end of the coarse crushing mechanism 5 are used to sense the position of the aggregate box 2. Specifically, the position sensing module 10 is set on the frame of the conveying mechanism 3 through a bracket (not shown in the figure);

[0061] The PLC control module 100 is electrically connected to the belt conveyor 1 , the transmission mechanism 3 , the weighing sensor 4 , the automatic opening and closing material door assembly 22 , the coarse crushing mechanism 5 and the position sensing module 10 .

[0062] In the present invention, rough sawn materials, scraps and unqualified defective boards generated in the production process of gypsum boards are directly placed on the belt conveyor 1, and the belt conveyor 1 conveys these gypsum board waste materials to the collection box 2. The weighing sensor 4 at the bottom of the collection box 2 collects the weight data of the gypsum board waste materials in the collection box 2 in real time and transmits the data to the PLC control module 100. When the weight of the gypsum board waste materials in the collection box 2 reaches a set threshold, the PLC control module 100 controls the belt conveyor 1 to stop feeding, and at the same time controls the conveying mechanism 3 to convey the collection box 2 to one end of the coarse crushing mechanism 5. When the position on the side of the conveying mechanism 3 where the coarse crushing mechanism 5 is provided at one end When the sensing module 10 senses the material collection box 2, the PLC control module 100 controls the conveying mechanism 3 to stop the conveying of the material collection box 2, controls the automatic opening and closing material door assembly 22 to open, and controls the coarse crushing mechanism 5 to start. The gypsum board waste in the material collection box 2 falls into the coarse crushing mechanism 5 under the guidance of the falling ramp 21 at the bottom of the inner cavity of the material collection box 2 and its own gravity, and then completes the coarse crushing in the coarse crushing mechanism 5. The materials obtained by the coarse crushing are conveyed to the buffer silo 6 by the screw conveyor 7. The materials in the buffer silo 6 fall into the fine crushing mechanism 8 at the bottom for fine crushing. After the fine crushing is completed, they fall into the screening mechanism 9 for screening, and finally gypsum powder and board paper miscellaneous materials are obtained. The gypsum powder can be used as the raw material for the production of accelerators, and the board paper can be made into pulp for the production of paper and cardboard, thereby realizing the maximum reuse of gypsum board waste. In addition, when the gypsum board waste in the collection box 2 completely falls into the coarse crushing mechanism 5, at this time, the weighing sensor 4 transmits the data that the weight of the gypsum board waste in the collection box 2 is zero to the PLC control module 100, and the PLC control module 100 controls the automatic opening and closing material door assembly 22 to close and the conveying mechanism 3 to restart and convey the collection box 2 to one side of the belt conveyor 1. When the position sensing module 10 set on the side of the blanking end of the belt conveyor 1 senses the collection box 2, the collection box 2 arrives at the belt conveyor 1. At the material dropping end, at this time, the PLC control module 100 controls the conveying mechanism 3 to stop, and controls the belt conveyor 1 to continue conveying the gypsum board waste, and then repeats the above process, wherein the coarse crushing mechanism 5 can be manually closed after the gypsum board waste inside it is completely crushed after being started, or the PLC control module 100 can set each working time. After each start of the coarse crushing mechanism 5, it will automatically close after reaching the set working time. The working time is set according to the weight threshold of the gypsum board waste contained in the collection box 2 and the crushing efficiency of the coarse crushing mechanism 5, ensuring that the gypsum board waste in the collection box 2 enters the coarse crushing mechanism 5 and can be completely crushed within the set working time. The automatic collection, crushing and conveying system for gypsum board waste has a high degree of automation, reduces the labor intensity of workers, and improves the efficiency of reusing gypsum board waste.

[0063] In an optional embodiment, if Figure 1 , Figure 2and Figure 3 As shown, a specific structure of an automatic opening and closing material door assembly 22 is provided, which is specifically as follows: the automatic opening and closing material door assembly 22 includes a material door 221 inserted into the side of the material collection box 2, a fixing frame 222 arranged at the top of the material door 221 and fixedly connected to the material collection box 2, and a cylinder 223 arranged at the top of the fixing frame 222 and with the piston rod end facing downward and fixedly connected to the material door 221, the PLC control module 100 is electrically connected to the cylinder 223, specifically, a protrusion (not marked in the figure) is arranged on the outside of the material door, and the piston rod end of the hydraulic cylinder is fixedly connected to the protrusion.

[0064] The automatic opening and closing material door assembly 22 drives the material door 221 to rise and fall through the cylinder 223 to achieve opening and closing.

[0065] In another optional embodiment, Figure 1 and Figure 4 As shown, a specific structure of a conveying mechanism 3 is provided, which is as follows: the conveying mechanism 3 includes a base 31, a driving assembly 32 arranged at the top of the base 31 and a support plate 33 arranged at the top of the driving assembly 32, and a weighing sensor 4 is arranged between the support plate 33 and the aggregate box 2.

[0066] In the conveying mechanism, the driving assembly 32 drives the support plate 33 to move back and forth, thereby driving the collecting box 2 on the top of the support plate 33 to move back and forth.

[0067] In another optional embodiment, Figure 4 As shown, a specific structure of a driving component 32 is provided, which is specifically as follows: the driving component 32 includes a fixed seat 321 arranged at the top of the base 31 along the length direction of the base 31, a slide groove 322 opened at the top of the fixed seat 321 along the length direction of the fixed seat 321, a screw 323 rotatably arranged in the slide groove 322, a motor 324 arranged at the end of the base 31 to drive the screw 323 to rotate, and a slider 325 slidably arranged in the slide groove 321 and screwed to the screw 323, the support plate 33 is fixedly arranged at the top of the slider 325, and the PLC control module 100 is electrically connected to the motor 324.

[0068] In the driving assembly 32 , the motor 324 drives the screw rod 323 to rotate, thereby driving the slider 325 to move back and forth along the slide slot 321 , thereby driving the support plate 33 to move back and forth.

[0069] In order to make the aggregate box 2 move back and forth more smoothly, Figure 5 As shown, support plates 331 are respectively provided at the front and rear sides of the bottom of the support plate 33 , and balls 3311 are respectively provided at the bottom ends of the support plates 331 , and the bottom ends of the balls 3311 are in rolling contact with the top end of the base 31 .

[0070] The support plate 331 plays a supporting and balancing role. The setting of the ball 3311 can reduce the friction between the support plate 331 and the base 31, so that the support plate 33 can better drive the collection box 2 to move back and forth under the drive of the driving component 32.

[0071] In order to reduce dust pollution during the automatic collection, crushing and transportation of gypsum board waste, such as Figure 1 As shown, dust hoods 200 are provided at the top of the belt conveyor 1, the top opening of the aggregate box 2 and the top feed port of the coarse crushing mechanism 5. The dust hoods 200 are connected to dust collecting equipment (not shown in the figure) through dust collecting pipes 300. Specifically, the dust hoods 200 are respectively provided on the frame of the belt conveyor 2, the top of the opening of the aggregate box 2 and the feed port of the top of the coarse crushing mechanism 5 through connecting rods (not shown in the figure). Flexible barrier bags 400 are provided between the discharge port of the coarse crushing mechanism 5 and the feed port of the screw conveyor 7, between the discharge port of the screw conveyor 7 and the feed port of the buffer silo 6, and between the discharge port of the fine crushing mechanism 8 and the feed port of the screening mechanism 9.

[0072] In the process of automatically collecting, crushing and conveying gypsum board waste, the dust overflowed when the system is working is collected by the dust hood 200, the dust collecting pipe 300 and the dust collecting equipment to reduce dust pollution. Among them, the dust collecting equipment belongs to the existing technology and can be a bag dust collector, a pulse dust collector or an electrostatic dust collector. Therefore, its specific structure and working principle are not described in detail in this application; in addition, the setting of the flexible barrier bag 400 can effectively prevent the dust from overflowing during the unloading and dropping process, thereby making the entire gypsum board waste automatic collection, crushing and conveying system more environmentally friendly.

[0073] In order to evenly control the discharge amount of the buffer bin 6 according to the crushing capacity of the fine crushing mechanism 8, as shown in FIG. Figure 1 As shown, the discharge port of the buffer bin 6 is connected to the feed port of the fine crushing mechanism 8 via a grid wheel 500. The grid wheel 500 also belongs to the prior art, so its specific structure and working principle are not described in detail in this application.

[0074] In an optional implementation, the position sensing module 10 is a photoelectric sensor or a proximity switch, and the PLC control module 100 is electrically connected to the photoelectric sensor or the proximity switch.

[0075] If the position sensing module 10 is a photoelectric sensor, when the aggregate box 2 blocks the light path of the photoelectric sensor, the photoelectric sensor generates a signal and transmits the signal to the PLC control module 100; if the position sensing module 10 is a proximity switch, when the aggregate box 2 is close to the proximity switch, the proximity switch generates a signal and transmits the signal to the PLC control module 100.

[0076] In combination with the above-mentioned gypsum board waste automatic collection, crushing and conveying system, a method for automatically collecting, crushing and conveying gypsum board waste is provided below, comprising the following steps:

[0077] Step S100: the gypsum board waste is conveyed on the belt conveyor 1 and falls into the collecting box 2 from the end of the belt conveyor 1;

[0078] Step S200: the weighing sensor 4 collects the weight of the gypsum board waste in the collecting box 2 in real time and transmits it to the PLC control module 100;

[0079] Step S300: When the weight of the gypsum board waste in the collection box 2 reaches a threshold, the PLC control module 100 controls the belt conveyor 1 to stop feeding, and controls the conveying mechanism 3 to start, so as to convey the collection box 2 to one side of the coarse crushing mechanism 5;

[0080] Step S400: The position sensing module 10 disposed on the side of the end of the conveying mechanism 3 provided with the coarse crushing mechanism 5 senses the material collecting box 2, and the PLC control module 100 controls the conveying mechanism 3 to stop conveying, and at the same time controls the automatic opening and closing material door assembly 22 to open and controls the coarse crushing mechanism 5 to start, and the gypsum board waste in the material collecting box 2 falls into the coarse crushing mechanism 5 through the falling ramp 21 for coarse crushing, and the PLC control module 100 controls the material door 221 to move upward through the cylinder 223 to open;

[0081] Step S600: The screw conveyor 7 conveys the gypsum board waste material obtained after being crushed by the coarse crushing mechanism 5 to the buffer silo 6;

[0082] Step S700: the material in the buffer silo 6 falls into the fine crushing mechanism 8 at the bottom for fine crushing;

[0083] Step S800: the material obtained after being crushed by the fine crushing mechanism 8 enters the screening mechanism 9 for screening, and finally obtains gypsum powder and board surface paper impurities;

[0084] Step S900: In step S400, when all the gypsum board waste in the collection box 2 falls into the coarse crushing mechanism 5, the weighing sensor 4 transmits the collected weight data (at this time, the weight of the gypsum board waste in the collection box 2 is zero) to the PLC control module 100, and the PLC control module 100 controls the automatic opening and closing material door assembly 22 to close, and controls the transmission mechanism 3 to start, and transmits the collection box 2 to the side of the belt conveyor mechanism 1. The PLC control module 100 controls the material door 221 to descend and close through the cylinder 223;

[0085] Step S1000: the position sensing module 10 disposed on the side of the material-dropping end of the belt conveyor 1 senses the material collection box 2, the PLC control module 100 controls the conveying mechanism 3 to stop conveying, and controls the belt conveyor 1 to start feeding, and then repeats steps S200 to S1000;

[0086] In the process of automatically collecting, crushing and conveying the gypsum board waste, the dust overflowing is collected by the dust collecting hood 200, the dust collecting pipe 300 and the dust collecting equipment.

[0087] The method for automatically collecting, crushing and conveying waste gypsum boards is applied in the above-mentioned automatic collection, crushing and conveying system for waste gypsum boards, thereby improving the degree of automation of automatic collection, crushing and conveying waste gypsum boards, effectively reducing the labor intensity of workers, and improving the efficiency of recycling waste gypsum boards.

[0088] In step S400, after the coarse crushing mechanism is started, when all the gypsum board waste in the coarse crushing mechanism 5 is crushed, the coarse crushing mechanism is manually closed to ensure that the gypsum board waste in the coarse crushing mechanism is completely crushed; or the PLC control module 100 is used to set the working time of the coarse crushing mechanism 5 each time. After each start of the coarse crushing mechanism 5, it will automatically close after the set working time is reached. The working time is set according to the weight threshold of the gypsum board waste in the aggregate box 2 and the crushing efficiency of the coarse crushing mechanism 5, to ensure that the gypsum board waste in the aggregate box 2 enters the coarse crushing mechanism 5 and can be completely crushed within the set working time, thereby better realizing automation.

[0089] The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application. The protection scope of the present application is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present application within the essence and protection scope of the present application, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present application.

Claims

1. An automatic collection, crushing and conveying system for gypsum board waste, characterized in that: include: A belt conveyor (1) for conveying gypsum board waste; A material collection box (2) is arranged at the bottom of the material dropping end of the belt conveyor (1), and has an opening at the top thereof for receiving and collecting gypsum board waste. A material dropping ramp (21) is arranged at the bottom of the inner cavity of the material collection box (2), and an automatic opening and closing material door assembly (22) is arranged on one side of the material collection box (2) corresponding to the lower end of the material dropping ramp (21); A conveying mechanism (3) is arranged at the bottom of the material collecting box (2) and conveys the material collecting box (2) back and forth; A weighing sensor (4) is arranged between the collecting box (2) and the conveying mechanism (3) to collect the weight of the gypsum board waste in the collecting box (2); A coarse crushing mechanism (5) is arranged at the end of the conveying mechanism (3) and is used to coarsely crush the gypsum board waste in the collecting box (2); A buffer silo (6) is arranged on the side of the coarse crushing mechanism (5) and is used to buffer the material obtained by crushing by the coarse crushing mechanism (5); A screw conveyor (7) is arranged between the discharge port of the coarse crushing mechanism (5) and the feed port of the buffer bin (6); A fine crushing mechanism (8) is arranged at the bottom of the buffer silo (6) and performs fine crushing on the material in the buffer silo (6); a screening mechanism (9), arranged at the bottom of the fine crushing mechanism (8), for screening the material obtained after being crushed by the fine crushing mechanism (8); A position sensing module (10) is arranged on the side of the material dropping end of the belt conveyor (1) and on the side of one end of the conveying mechanism (3) provided with the coarse crushing mechanism (5), and is used to sense the position of the aggregate box (2); A PLC control module (100) is electrically connected to the belt conveyor (1), the transmission mechanism (3), the weighing sensor (4), the automatic material door opening and closing assembly (22), the coarse crushing mechanism (5) and the position sensing module (10), respectively.

2. The automatic collection, crushing and conveying system for gypsum board waste according to claim 1 is characterized in that: The automatic opening and closing material door assembly (22) comprises a material door (221) inserted into the side of the material collection box (2), a fixing frame (222) arranged at the top of the material door (221) and fixedly connected to the material collection box (2), and a cylinder (223) arranged at the top of the fixing frame (222) and with the end of the piston rod facing downward and fixedly connected to the material door (221), and the PLC control module (100) is electrically connected to the cylinder (223).

3. The automatic collection, crushing and conveying system for gypsum board waste according to claim 1 is characterized in that: The conveying mechanism (3) comprises a base (31), a driving assembly (32) arranged at the top of the base (31), and a supporting plate (33) arranged at the top of the driving assembly (32); the weighing sensor (4) is arranged between the supporting plate (33) and the material collecting box (2).

4. The automatic collection, crushing and conveying system for gypsum board waste according to claim 3 is characterized in that: The driving assembly (32) comprises a fixed seat (321) arranged at the top of the base (31) along the length direction of the base (31), a slide groove (322) opened at the top of the fixed seat (321) along the length direction of the fixed seat (321), a screw (323) rotatably arranged in the slide groove (322), a motor (324) arranged at the end of the base (31) and driving the screw (323) to rotate, and a slider (325) slidably arranged in the slide groove (322) and screwed to the screw (323), the support plate (33) is fixedly arranged at the top of the slider (325), and the PLC control module (100) is electrically connected to the motor (324).

5. The automatic collection, crushing and conveying system for gypsum board waste according to claim 4 is characterized in that: Support plates (331) are respectively arranged at the front and rear sides of the bottom end of the support plate (33), and balls (3311) are respectively arranged at the bottom ends of the support plates (331), and the bottom ends of the balls (3311) are in rolling contact with the top end of the base (31).

6. The automatic collection, crushing and conveying system for gypsum board waste according to claim 1 is characterized in that: A dust collecting hood (200) is provided at the top of the belt conveyor (1), at the top opening of the collecting box (2), and at the top inlet of the coarse crushing mechanism (5). The dust collecting hood (200) is connected to the dust collecting device through a dust collecting pipe (300), and a flexible barrier bag (400) is provided between the discharge port of the coarse crushing mechanism (5) and the inlet of the screw conveyor (7), between the discharge port of the screw conveyor (7) and the inlet of the buffer silo (6), and between the discharge port of the fine crushing mechanism (8) and the inlet of the screening mechanism (9).

7. The automatic collection, crushing and conveying system for gypsum board waste according to claim 1 is characterized in that: The discharge port of the buffer silo (6) and the feed port of the fine crushing mechanism (8) are connected via a grid wheel (500).

8. The automatic collection, crushing and conveying system for gypsum board waste according to claim 1 is characterized in that: The position sensing module (10) is a photoelectric sensor or a proximity switch, and the PLC control module (100) is electrically connected to the photoelectric sensor or the proximity switch.

9. A method for automatically collecting, crushing and conveying gypsum board waste, applied to an automatic collection, crushing and conveying system for gypsum board waste as claimed in any one of claims 1 to 8, characterized in that: The following steps are involved: Step S100: the gypsum board waste is conveyed on the belt conveyor (1) and falls into the collecting box (2) from the end of the belt conveyor (1); Step S200: the weighing sensor (4) collects the weight of the gypsum board waste in the collecting box (2) in real time and transmits it to the PLC control module (100); Step S300: When the weight of the gypsum board waste in the collection box (2) reaches a threshold value, the PLC control module (100) controls the belt conveyor (1) to stop feeding, and controls the conveying mechanism (3) to start, so as to convey the collection box (2) to one side of the coarse crushing mechanism (5); Step S400: the position sensing module (10) arranged on the side of the conveying mechanism (3) at one end of which the coarse crushing mechanism (5) is arranged senses the material collection box (2), and the PLC control module (100) controls the conveying mechanism (3) to stop conveying, and at the same time controls the automatic opening and closing material door assembly (22) to open and controls the coarse crushing mechanism (5) to start, so that the gypsum board waste in the material collection box (2) falls into the coarse crushing mechanism (5) through the falling inclined platform (21) for coarse crushing; Step S600: the screw conveyor (7) conveys the gypsum board waste obtained after being crushed by the coarse crushing mechanism (5) into the buffer silo (6); Step S700: the material in the buffer silo (6) falls into the fine crushing mechanism (8) at the bottom for fine crushing; Step S800: the material obtained after being crushed by the fine crushing mechanism (8) enters the screening mechanism (9) for screening, and finally obtains gypsum powder and board surface paper impurities; Step S900: In step S400, when all the gypsum board waste in the material collection box (2) falls into the coarse crushing mechanism (5), the weighing sensor (4) transmits the collected weight data to the PLC control module (100), and the PLC control module (100) controls the automatic opening and closing material door assembly (22) to close, and controls the transmission mechanism (3) to start, so as to transmit the material collection box (2) to one side of the belt conveyor (1); Step S1000: the position sensing module (10) arranged on the side of the material-dropping end of the belt conveyor (1) senses the material collection box (2), the PLC control module (100) controls the conveying mechanism (3) to stop conveying, and controls the belt conveyor (1) to start feeding, and then repeats steps S200 to S1000; In the process of automatically collecting, crushing and conveying the gypsum board waste, the dust spilled out is collected by the dust collecting hood (200), the dust collecting pipe (300) and the dust collecting equipment.

10. The method for automatically collecting, crushing and conveying gypsum board waste according to claim 9, characterized in that: In step S400, after the coarse crushing mechanism (5) is started, when all the gypsum board waste in the coarse crushing mechanism (5) is crushed, the coarse crushing mechanism (5) is manually shut down, or the working time of each coarse crushing mechanism (5) is set through the PLC control module (100), and each time the coarse crushing mechanism (5) is started, it automatically shuts down after reaching the set working time.

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