Material sorting device and sorting method based on PLC
阅读说明：本技术 一种基于plc的物料分拣装置及分拣方法 (Material sorting device and sorting method based on PLC ) 是由 唐文秀 吴俊英 孟旭 刘俊辰 包荣剑 于 2019-02-26 设计创作，主要内容包括：本发明涉及物料分拣设备技术领域,具体涉及一种基于PLC的物料分拣装置及分拣方法。其结构由传动装置、物料传送区、非金属物料传送区、大型金属物料传送区、中型金属物料传送区、小型金属物料传送区及物料上料区组成；所述传动装置由电动机、1号联轴器、两级齿轮减速器、2号联轴器及传动滚筒组成；所述物料传送区由支架、传送带、物料检测装置、1号推送气缸、2号推送气缸、3号推送气缸、4号推送气缸、托辊及机尾滚筒组成；所述非金属物料传送区,所述中型金属物料传送区、所述小型金属物料传送区,由对应的物料传送装置、物料计数器及物料下料机组成；所述物料上料区,设置有物料推送装置。本装置结构简单,灵活度高,易于维护且能在无人操作下,实现物料的按量分批分拣。(The invention relates to the technical field of material sorting equipment, in particular to a material sorting device and a material sorting method based on a Programmable Logic Controller (PLC). The structure of the device consists of a transmission device, a material conveying area, a non-metal material conveying area, a large-scale metal material conveying area, a medium-scale metal material conveying area, a small-scale metal material conveying area and a material loading area; the transmission device consists of a motor, a No. 1 coupler, a two-stage gear reducer, a No. 2 coupler and a transmission roller; the material conveying area consists of a bracket, a conveying belt, a material detection device, a No. 1 pushing cylinder, a No. 2 pushing cylinder, a No. 3 pushing cylinder, a No. 4 pushing cylinder, a carrier roller and a tail roller; the nonmetal material conveying area, the medium-sized metal material conveying area and the small-sized metal material conveying area are composed of corresponding material conveying devices, material counters and material blanking machines; the material loading area is provided with a material pushing device. The device has the advantages of simple structure, high flexibility, easy maintenance and capability of realizing batch sorting of materials according to quantity under unmanned operation.)
1. A PLC-based material sorting apparatus comprising: a transmission device (1), a material conveying area (24), a non-metal material conveying area (25), a large metal material conveying area (26), a medium metal material conveying area (27), a small metal material conveying area (28) and a material loading area (2),
the transmission (1) comprises: the device comprises a motor (103), a No. 1 coupling (104), a two-stage gear reducer (101), a No. 2 coupling (102) and a transmission roller (4); the motor (103) is connected with a driving device, the driving device is connected with a PLC (programmable logic controller), the motor (103) and the two-stage gear reducer (101) are placed on the same plane, the motor (103) is coaxially connected with a No. 1 gear of the two-stage gear reducer (101) through the No. 1 coupler (104), and the transmission roller (4) is coaxially connected with a No. 3 gear of the two-stage gear reducer (101) through the No. 2 coupler (102);
the material transfer zone (24) comprising: the automatic material conveying device comprises a support (3), a main conveying belt (29), a material detection device, a No. 1 pushing cylinder (9), a No. 2 pushing cylinder (13), a No. 3 pushing cylinder (17), a No. 4 pushing cylinder (22), a carrier roller (18) and a tail roller (23); the material detection device with PLC controller electric connection, the material detection device includes: a metal and nonmetal material detector (8), a metal material length detector for detecting the volume of the metal material, a metal material height detector and a metal material width detector;
the metal and nonmetal material detector (8) is parallel to the conveying belt direction of the nonmetal material conveying area (25) and is aligned with one side edge of the conveying belt close to the transmission roller (4);
the metal material length detector consists of a light emitter and a receiver, the light emitter of the metal material length detector and the receiver of the metal material length detector are placed on the bracket (3) in parallel in the same plane, and the tail ends of the light emitter and the receiver of the metal material length detector are aligned with one side, close to the conveyor belt, of the transmission roller (4) of the corresponding metal material conveying area;
the metal material length detector comprises: a large-scale metal material length detector (12), a medium-scale metal material length detector (16) and a small-scale metal material length detector (21);
the metal material width detector consists of a light emitter and a receiver, the metal material width detector is vertically fixed on the bracket (3), the length of the metal material width detector is consistent with that of the carrier roller (18), the light emitter of the metal material width detector is vertical to the main conveyor belt (29) and is arranged right above the main conveyor belt (29), and the receiver of the metal material width detector and the light emitter of the metal material width detector are arranged in parallel and aligned in the same plane;
the metal material width detector comprises: a large metal material width detector (11), a medium metal material width detector (15) and a small metal material width detector (20);
the metal material height detector consists of a light emitter and a receiver, and the metal material height detector and the metal material width detector are arranged on the same plane and are vertical to the bracket (3);
the metal material height detector comprises: a large-scale metal material height detector (10), a medium-scale metal material height detector (14) and a small-scale metal material height detector (19);
the No. 1 pushing cylinder (9), the No. 2 pushing cylinder (13), the No. 3 pushing cylinder (17) and the No. 4 pushing cylinder (22) are opposite to the conveying belts of the sorted conveying areas respectively, and the bottom surfaces of the No. 1 pushing cylinder, the No. 2 pushing cylinder, the No. 3 pushing cylinder and the No. 4 pushing cylinder are positioned on the same plane with the surface of the main conveying belt (29) of the material conveying area (24);
the carrier roller (18), the transmission roller (4) and the tail roller (23) are equal in size, are parallel to each other and are uniformly fixed on the bracket (3);
the non-metal material conveying area (25) is provided with a non-metal material conveying device (5), a non-metal material counter (6) and a non-metal material blanking machine (7) after sorting;
the large-scale metal material conveying area (26) is provided with a large-scale metal material conveying device, a large-scale metal material counter and a large-scale metal material blanking machine which are used for sorting;
the medium-sized metal material conveying area (27) is provided with a medium-sized metal material conveying device, a medium-sized metal material counter and a medium-sized metal material blanking machine which are used for sorting;
the small metal material conveying area (28) is provided with a small metal material conveying device, a small metal material counter and a small metal material blanking machine after sorting;
the material feeding area (2) is provided with a material pushing device.
2. The PLC-based material sorting apparatus of claim 1, wherein the PLC controller model is FX2N-48 MR-001.
3. The PLC-based material sorting apparatus as claimed in claim 1, wherein the metal and non-metal material detectors (8) employ inductive proximity switches of type LJA18A 3-8-Z/BX.
4. The PLC-based material sorting device according to claim 1, wherein the metal material length detector, the metal material height detector and the metal material width detector employ MYD series measuring light curtains.
5. A material sorting method is characterized by comprising the following specific steps,
firstly, starting a transmission device (1), a material conveying device of a non-metal material conveying area (25), a material conveying device of a large-sized metal material conveying area (26), a material conveying device of a medium-sized metal material conveying area (27), a material conveying device of a small-sized metal material conveying area (28), a material detection device and a counter;
secondly, starting a pushing device of the material loading area (2), detecting materials by a metal and nonmetal material detector (8), if the materials are judged to be nonmetal materials, when the tail end of the materials just passes through the metal and nonmetal material detector (8), stopping the actions of a transmission device (1), a material conveying device of a nonmetal material conveying area (25), a material conveying device of a large metal material conveying area (26), a material conveying device of a medium metal material conveying area (27), a material conveying device of a small metal material conveying area (28) and a pushing device of the material loading area (2) by a PLC (programmable logic controller), pushing the current materials to the nonmetal material conveying area (25) by a No. 1 pushing cylinder (9), and then sequentially starting the material conveying device of the nonmetal material conveying area (25), the material conveying device of the large metal material conveying area (26), A material conveying device of the medium-sized metal material conveying area (27), a material conveying device of the small-sized metal material conveying area (28), a transmission device (1) and a pushing device of the material loading area (2) act; if the material is judged to be a metal material, entering a third step;
thirdly, detecting the volume of the current material by a large-scale metal material length detector (12), a large-scale metal material height detector (10) and a large-scale metal material width detector (11), if the detector judges that the material is a large-scale metal material, when the tail end of the material just passes through the large-scale metal material length detector (12), stopping the actions of a transmission device (1), a material conveying device of a non-metal material conveying area (25), a material conveying device of a large-scale metal material conveying area (26), a material conveying device of a medium-scale metal material conveying area (27), a material conveying device of a small-scale metal material conveying area (28) and a pushing device of a material loading area (2) by a PLC (programmable logic controller), pushing the current material to the large-scale metal material conveying area (26) by a No. 2 pushing cylinder (13), and then sequentially starting the material conveying device of the non-metal material conveying area (25), the material conveying device, the, A material conveying device of the large-sized metal material conveying area (26), a material conveying device of the medium-sized metal material conveying area (27), a material conveying device of the small-sized metal material conveying area (28), a transmission device (1) and a pushing device of the material loading area (2) act; if the material is judged not to be a large-scale metal material, entering the fourth step;
fourthly, the materials to be detected are continuously conveyed, the middle-sized metal material length detector (16), the middle-sized metal material height detector (14) and the middle-sized metal material width detector (11) detect the volume of the current materials, if the detectors judge that the materials are the middle-sized metal materials, when the tail end of the materials just passes through the middle-sized metal material length detector (16), the PLC stops the actions of the transmission device (1), the material conveying device of the non-metal material conveying area (25), the material conveying device of the large-sized metal material conveying area (26), the material conveying device of the middle-sized metal material conveying area (27), the material conveying device of the small-sized metal material conveying area (28) and the pushing device of the material loading area (2), the No. 3 pushing cylinder (17) pushes the current materials to the middle-sized metal material conveying area (27), and then the PLC sequentially starts the material conveying device of the non-metal material conveying area (25), the material conveying device and the pushing device of the, A material conveying device of the large-sized metal material conveying area (26), a material conveying device of the medium-sized metal material conveying area (27), a material conveying device of the small-sized metal material conveying area (28), a transmission device (1) and a pushing device of the material loading area (2) act; if the material is judged not to be a medium-sized metal material, entering the fifth step;
fifthly, the material to be detected is continuously conveyed, the small metal material length detector (21), the small metal material height detector (19) and the small metal material width detector (20) detect the volume of the current material, if the detector judges that the material is a small metal material, when the tail end of the material just passes through the small metal material length detector (21), the PLC stops the actions of the transmission device (1), the material conveying device of the non-metal material conveying area (25), the material conveying device of the large metal material conveying area (26), the material conveying device of the medium metal material conveying area (27), the material conveying device of the small metal material conveying area (28) and the pushing device of the material loading area (2), the No. 4 pushing cylinder (22) pushes the current material to the small metal material conveying area (28), and then the PLC sequentially starts the material conveying device of the non-metal material conveying area (25), the material conveying device of the small metal material conveying area and the pushing device of the material loading area (2), The material conveying device of the large-sized metal material conveying area (26), the material conveying device of the medium-sized metal material conveying area (27), the material conveying device of the small-sized metal material conveying area (28), the transmission device (1) and the pushing device of the material loading area (2) act, and then the sixth step is carried out;
sixthly, the batched materials are sorted into nonmetal materials, large metal materials, medium metal materials and small metal materials, the sorted materials are pushed into respective conveying areas by a pushing cylinder, meanwhile, the counter counts the materials in the conveying areas, when the counting value reaches a preset value, the PLC stops the actions of the transmission device (1), the material conveying device of the nonmetal material conveying area (25), the material conveying device of the large metal material conveying area (26), the material conveying device of the medium metal material conveying area (27), the material conveying device of the small metal material conveying area (28) and the pushing device of the material loading area (2), the unloader in the current material conveying area processes the sorted materials, and after the batched materials are processed, the PLC sequentially starts the material conveying devices in the nonmetal material conveying area (25), The material conveying device of the large-sized metal material conveying area (26), the material conveying device of the medium-sized metal material conveying area (27), the material conveying device of the small-sized metal material conveying area (28), the transmission device (1) and the pushing device of the material loading area (2) act to finish the material sorting work.
Technical Field
The invention relates to the technical field of material sorting equipment, in particular to a material sorting device and a material sorting method based on a Programmable Logic Controller (PLC).
Background
With the rapid development of mechanical processes and control techniques, the conveyor belt transportation device has been paid more and more attention in the heavy work fields of loading, unloading, transportation, sorting and the like due to its high efficiency, and has begun to gradually replace the traditional manual mode. Along with the form diversification of material, people are also more and more to conveyer belt conveyer's functional requirement, for satisfying people's user demand under different environmental conditions, various have corresponding conveyer belt conveyor is designed and is made out, wherein, elementary material sorting device quantity is the most, this type device preset has the letter sorting principle of standard, according to supporting relevant detecting system, sort the material according to certain law, intelligent work can tentatively be realized to this type of sorting device, has important meaning to people's production life.
Present material sorting device is single from functional comparison, sorts the material of a certain obvious characteristic mostly, moreover, looks the letter sorting from the letter sorting result meticulous inadequately, still needs subsequent manual inspection link. Consequently, waiting to design a neotype material sorting device urgently, through designing one set of specific material sorting principle, carrying out meticulous letter sorting to material kind and characteristic, recycling modern detection device and counting the material after the letter sorting, realize the batch sorting according to the volume of material, provide accurate foundation for the processing on next step of material.
Disclosure of Invention
The technical scheme adopted by the invention is as follows:
a PLC-based material sorting apparatus comprising: the device comprises a transmission device, a material conveying area, a non-metal material conveying area, a large-scale metal material conveying area, a medium-scale metal material conveying area, a small-scale metal material conveying area and a material loading area;
the transmission device comprises: the device comprises a motor, a No. 1 coupler, a two-stage gear reducer, a No. 2 coupler and a transmission roller; the motor is connected with a driving device, the driving device is connected with a PLC (programmable logic controller), the motor and the two-stage gear reducer are placed on the same plane, the motor is coaxially connected with a No. 1 gear of the two-stage gear reducer through a No. 1 coupler, and the transmission roller is coaxially connected with a No. 3 gear of the two-stage gear reducer through a No. 2 coupler;
the material transfer zone comprising: the device comprises a support, a main conveying belt, a material detection device, a No. 1 pushing cylinder, a No. 2 pushing cylinder, a No. 3 pushing cylinder, a No. 4 pushing cylinder, a carrier roller and a tail roller; the material detection device with PLC controller electric connection, the material detection device includes: a metal and nonmetal material detector, a metal material length detector for detecting the volume of the metal material, a metal material height detector and a metal material width detector;
the metal and nonmetal material detector is parallel to the direction of the conveying belt of the nonmetal material conveying area and is aligned with one side edge of the conveying belt close to the transmission roller;
the metal material length detector consists of a light emitter and a receiver, light emitted by the light emitter of the metal material length detector is directly emitted to the receiver to form a light curtain system, the light emitter of the metal material length detector and the receiver of the metal material length detector are placed on the bracket in the same plane and in parallel, and the tail end of the light emitter is aligned with one side, close to the conveyor belt, of the transmission roller of the corresponding metal material conveying area;
the metal material length detector comprises: a large-scale metal material length detector, a medium-scale metal material length detector and a small-scale metal material length detector;
the metal material width detector is composed of a light emitter and a receiver, the metal material width detector is vertically fixed on the support, the length of the metal material width detector is consistent with that of the carrier roller, the light emitter of the metal material width detector is vertical to the main conveyor belt and is arranged right above the main conveyor belt, and the receiver of the metal material width detector and the light emitter of the metal material width detector are arranged in parallel and aligned with each other in the same plane;
the metal material width detector comprises: a large metal material width detector, a medium metal material width detector and a small metal material width detector;
the metal material height detector consists of a light emitter and a receiver, and the metal material height detector and the metal material width detector are placed on the same plane and are perpendicular to the support;
the metal material height detector comprises: a large-scale metal material height detector, a medium-scale metal material height detector and a small-scale metal material height detector;
the No. 1 pushing cylinder, the No. 2 pushing cylinder, the No. 3 pushing cylinder and the No. 4 pushing cylinder are opposite to the conveying belts of the conveying areas after respective sorting, and the bottom surfaces of the No. 1 pushing cylinder, the No. 2 pushing cylinder, the No. 3 pushing cylinder and the No. 4 pushing cylinder are positioned on the same plane with the surface of the main conveying belt of the material conveying area;
the carrier roller, the transmission roller and the tail roller are equal in size, are parallel to each other and are uniformly fixed on the bracket;
the non-metal material conveying area is provided with a non-metal material conveying device, a non-metal material counter and a non-metal material blanking machine which are used for sorting;
the large-scale metal material conveying area is provided with a large-scale metal material conveying device, a large-scale metal material counter and a large-scale metal material blanking machine which are used for sorting;
the medium-sized metal material conveying area is provided with a medium-sized metal material conveying device, a medium-sized metal material counter and a medium-sized metal material blanking machine which are used for sorting;
the small metal material conveying area is provided with a small metal material conveying device, a small metal material counter and a small metal material blanking machine which are used for sorting;
the material feeding area is provided with a material pushing device;
the PLC is FX2N-48 MR-001;
the metal and nonmetal material detector adopts an inductive proximity switch, and the model number of the inductive proximity switch is LJA18A 3-8-Z/BX;
the metal material length detector, the metal material height detector and the metal material width detector adopt MYD series measuring light curtains.
A material sorting method comprises the following specific steps:
the method comprises the following steps that firstly, a transmission device, a material conveying device of a non-metal material conveying area, a material conveying device of a large-size metal material conveying area, a material conveying device of a medium-size metal material conveying area, a material conveying device of a small-size metal material conveying area, a material detection device and a counter are started;
secondly, starting a pushing device of a material loading area, detecting materials by a metal and nonmetal material detector, if the materials are judged to be nonmetal materials, when the tail end of the materials just passes through the metal and nonmetal material detector, stopping a transmission device by a PLC (programmable logic controller), a material conveying device of a nonmetal material conveying area, a material conveying device of a large metal material conveying area, a material conveying device of a medium metal material conveying area, a material conveying device of a small metal material conveying area and a pushing device of the material loading area, pushing the current materials to the nonmetal material conveying area by a No. 1 pushing cylinder, and then sequentially starting the material conveying device of the nonmetal material conveying area, the material conveying device of the large metal material conveying area, the material conveying device of the medium metal material conveying area, the material conveying device of the small metal material conveying area, and a pushing device of the small metal material conveying area by the PLC, The transmission device and the pushing device of the material loading area act; if the material is judged to be a metal material, entering a third step;
thirdly, detecting the volume of the current material by a large-scale metal material length detector, a large-scale metal material height detector and a large-scale metal material width detector, stopping the transmission device, the material conveying device of the non-metal material conveying area, the material conveying device of the large-scale metal material conveying area, the material conveying device of the medium-scale metal material conveying area, the material conveying device of the small-scale metal material conveying area and the pushing device of the material loading area when the tail end of the material just passes through the large-scale metal material length detector if the detector judges that the material is the large-scale metal material, pushing the current material to the large-scale metal material conveying area by a No. 2 pushing cylinder, and then sequentially starting the material conveying device of the non-metal material conveying area, the material conveying device of the large-scale metal material conveying area, the material conveying device of the medium-scale metal material conveying area, the material conveying device of, The material conveying device and the transmission device of the small metal material conveying area and the pushing device of the material loading area act; if the material is judged not to be a large-scale metal material, entering the fourth step;
fourthly, the material to be detected is continuously conveyed, the middle-sized metal material length detector, the middle-sized metal material height detector and the middle-sized metal material width detector detect the volume of the current material, if the detector judges that the material is the middle-sized metal material, when the tail end of the material just passes through the middle-sized metal material length detector, the PLC stops the transmission device, the material conveying device of the nonmetal material conveying area, the material conveying device of the large-sized metal material conveying area, the material conveying device of the middle-sized metal material conveying area, the material conveying device of the small-sized metal material conveying area and the pushing device of the material feeding area to act, the No. 3 pushing cylinder pushes the current material to the middle-sized metal material conveying area, and then the PLC sequentially starts the material conveying device of the nonmetal material conveying area, the material conveying device of the large-sized metal material conveying area, the pushing device of the, The material conveying device of the medium-sized metal material conveying area, the material conveying device of the small-sized metal material conveying area, the transmission device and the pushing device of the material loading area act; if the material is judged not to be a medium-sized metal material, entering the fifth step;
fifthly, the material to be detected is continuously transmitted, the small metal material length detector, the small metal material height detector and the small metal material width detector detect the volume of the current material, if the detector judges that the material is small metal material, when the tail end of the material just passes through the small metal material length detector, the PLC stops the transmission device, the material conveying device of the non-metal material conveying area, the material conveying device of the large metal material conveying area, the material conveying device of the medium metal material conveying area, the material conveying device of the small metal material conveying area and the pushing device of the material feeding area to act, the No. 4 pushing cylinder pushes the current material to the small metal material conveying area, and then the PLC sequentially starts the material conveying device of the non-metal material conveying area, the material conveying device of the large metal material conveying area, the pushing device of the small metal material feeding area, the PLC sequentially starts the material conveying device, The material conveying device of the medium-sized metal material conveying area, the material conveying device of the small-sized metal material conveying area, the transmission device and the pushing device of the material loading area act, and then the sixth step is carried out;
sixthly, the batched materials are sorted into nonmetal materials, large metal materials, medium metal materials and small metal materials, the sorted materials are pushed into respective conveying areas by the pushing air cylinders, meanwhile, the counter counts the materials in the conveying areas, when the counting value reaches a preset value, the PLC stops the transmission device, the material conveying device in the nonmetal material conveying areas, the material conveying device in the large metal material conveying areas, the material conveying device in the medium metal material conveying areas, the material conveying device in the small metal material conveying areas and the pushing device in the material loading areas to act, the blanking machine in the current material conveying areas processes the sorted materials, and after the batched materials are processed, the PLC sequentially starts the material conveying device in the nonmetal material conveying areas, the material conveying device in the large metal material conveying areas and the material conveying device in the medium metal material conveying areas, The material conveying device and the transmission device of the small metal material conveying area and the pushing device of the material loading area act to complete material sorting work.
The invention has the following beneficial effects for the prior art:
(1) the sorting machine is simple in structure, sorting of material types and sizes is achieved by adding the metal and nonmetal material detector, the metal material length detector, the metal material height detector and the metal material width detector, counting of sorted materials is achieved by adding the counter, and finally batch sorting of the materials according to quantity is achieved;
(2) the design has high flexibility, and the metal materials can be sorted according to different volumes and processed in batches according to the specified number only by changing the set values of the detector and the counter without changing the hardware structure of the system;
(3) the design is easy to maintain, and as each part of the whole material sorting device is clearly divided into work and has a simple hardware structure, once a fault occurs in the operation process, the maintenance personnel can quickly locate the fault part.
Drawings
FIG. 1 is an overall block diagram of the present invention;
fig. 2 is a structural view of the transmission of the present invention.
In the figure: 1 is a transmission device; 2 is a material feeding area; 3 is a bracket; 4 is a transmission roller; 5 is a non-metallic material conveying device; 6 is a nonmetal material counter; 7, a non-metal material blanking machine; 8 is a metal and nonmetal material detector; 9 is No. 1 push cylinder; 10 is a large-scale metal material height detector; 11 is a large-scale metal material width detector; 12 is a large-scale metal material length detector; 13 is No. 2 pushing cylinder; 14 is a medium-sized metal material height detector; 15 is a medium-sized metal material width detector; 16 is a medium-sized metal material height detector; 17 is No. 3 push cylinder; 18 is a carrier roller; 19 is a small-sized metal material height detector; 20 is a small metal material width detector; 21 is a small-sized metal material height detector; 22 is a No. 4 push cylinder; 23 is a tail drum; 24 is a material conveying area; 25 is a non-metallic material conveying area; 26 is a large-scale metal material conveying area; 27 is a medium-sized metal material conveying area; 28 is a small metal material conveying area; 29 is a main conveyor belt; 101 is a two-stage gear reducer; 102 is a No. 2 coupler; 103 is a motor; 104 is a number 1 coupling.
Detailed Description
The technical scheme in the invention example is clearly and completely described below with reference to the accompanying drawings.
A PLC-based material sorting apparatus comprising: the device comprises a transmission device 1, a material conveying area 24, a non-metal material conveying area 25, a large-size metal material conveying area 26, a medium-size metal material conveying area 27, a small-size metal material conveying area 28 and a
the transmission 1 includes: the device comprises a
the material transfer zone 24, comprising: the device comprises a
the metal and nonmetal material detector 8 is parallel to the conveying belt direction of the nonmetal material conveying area 25 and is aligned with one side edge of the conveying belt close to the
the metal material length detector consists of a light emitter and a receiver, light emitted by the light emitter of the metal material length detector is directly emitted to the receiver to form a light curtain system, the light emitter of the metal material length detector and the receiver of the metal material length detector are placed on the
the metal material length detector comprises: a large-sized metal material length detector 12, a medium-sized metal material length detector 16 and a small-sized metal material length detector 21;
the metal material width detector consists of a light emitter and a receiver, the metal material width detector is vertically fixed on the
the metal material width detector comprises: a large metal material width detector 11, a medium metal material width detector 15 and a small metal material width detector 20;
the metal material height detector consists of a light emitter and a receiver, and the metal material height detector and the metal material width detector are arranged on the same plane and are vertical to the
the metal material height detector comprises: a large-sized metal material height detector 10, a medium-sized metal material height detector 14 and a small-sized metal material height detector 19;
the No. 1 pushing cylinder 9, the No. 2 pushing cylinder 13, the No. 3 pushing cylinder 17 and the No. 4 pushing cylinder 22 are opposite to the conveying belts of the conveying areas after respective sorting, and the bottom surfaces of the No. 1 pushing cylinder, the No. 2 pushing cylinder, the No. 3 pushing cylinder 17 and the No. 4 pushing cylinder are positioned on the same plane with the surface of the main conveying belt 29 of the material conveying area 24;
the carrier roller 18, the
the non-metal material conveying area 25 is provided with a sorted non-metal material conveying device 5, a non-metal material counter 6 and a non-metal material blanking machine 7;
the large-scale metal material conveying area 26 is provided with a large-scale metal material conveying device, a large-scale metal material counter and a large-scale metal material blanking machine which are used for sorting;
the medium-sized metal material conveying area 27 is provided with a medium-sized metal material conveying device, a medium-sized metal material counter and a medium-sized metal material blanking machine which are used for sorting;
the small metal material conveying area 28 is provided with a small metal material conveying device, a small metal material counter and a small metal material blanking machine which are used for sorting;
the
the PLC is FX2N-48 MR-001;
the metal and nonmetal material detector 8 adopts an inductive proximity switch with the model number of LJA18A 3-8-Z/BX;
the metal material length detector, the metal material height detector and the metal material width detector adopt MYD series measuring light curtains.
The working process is as follows:
firstly, starting a transmission device 1, a material conveying device of a non-metal material conveying area 25, a material conveying device of a large-scale metal material conveying area 26, a material conveying device of a medium-scale metal material conveying area 27, a material conveying device of a small-scale metal material conveying area 28, a material detection device and a counter;
secondly, starting a pushing device of the
thirdly, detecting the volume of the current material by the large-scale metal material length detector 12, the large-scale metal material height detector 10 and the large-scale metal material width detector 11, if the detector judges that the material is a large-scale metal material, when the tail end of the material just passes through the large-scale metal material length detector 12, the PLC stops the actions of the transmission device 1, the material conveying device of the non-metal material conveying area 25, the material conveying device of the large-scale metal material conveying area 26, the material conveying device of the medium-scale metal material conveying area 27, the material conveying device of the small-scale metal material conveying area 28 and the pushing device of the material loading area 2, the No. 2 pushing cylinder 13 pushes the current material to the large-scale metal material conveying area 26, and then the PLC sequentially starts the material conveying device of the non-metal material conveying area 25, the material conveying device of the large-scale metal material conveying area 26, the, The material conveying device of the medium-sized metal material conveying area 27, the material conveying device of the small-sized metal material conveying area 28, the transmission device 1 and the pushing device of the material loading area 2 act; if the material is judged not to be a large-scale metal material, entering the fourth step;
fourthly, the material to be detected is continuously conveyed, the middle-sized metal material length detector 16, the middle-sized metal material height detector 14 and the middle-sized metal material width detector 11 detect the volume of the current material, if the detector judges that the material is the middle-sized metal material, when the tail end of the material just passes through the middle-sized metal material length detector 16, the PLC controller stops the actions of the transmission device 1, the material conveying device of the non-metal material conveying area 25, the material conveying device of the large-sized metal material conveying area 26, the material conveying device of the middle-sized metal material conveying area 27, the material conveying device of the small-sized metal material conveying area 28 and the pushing device of the material feeding area 2, the No. 3 pushing cylinder 17 pushes the current material to the middle-sized metal material conveying area 27, and then the PLC controller sequentially starts the material conveying device of the non-metal material conveying area 25, the material conveying device of the large-sized metal material conveying area, The material conveying device of the medium-sized metal material conveying area 27, the material conveying device of the small-sized metal material conveying area 28, the transmission device 1 and the pushing device of the material loading area 2 act; if the material is judged not to be a medium-sized metal material, entering the fifth step;
fifthly, the material to be detected is continuously conveyed, the small metal material length detector 21, the small metal material height detector 19 and the small metal material width detector 20 detect the volume of the current material, if the detector judges that the material is a small metal material, when the tail end of the material just passes through the small metal material length detector 21, the PLC stops the actions of the transmission device 1, the material conveying device of the non-metal material conveying area 25, the material conveying device of the large metal material conveying area 26, the material conveying device of the medium metal material conveying area 27, the material conveying device of the small metal material conveying area 28 and the pushing device of the material feeding area 2, the No. 4 pushing cylinder 22 pushes the current material to the small metal material conveying area 28, and then the PLC sequentially starts the material conveying device of the non-metal material conveying area 25, the material conveying device of the large metal material conveying area 26, the material conveying device of the large metal material conveying area 2, The material conveying device of the medium-sized metal material conveying area 27, the material conveying device of the small-sized metal material conveying area 28, the transmission device 1 and the pushing device of the material loading area 2 act, and then the sixth step is carried out;
sixthly, the batched materials are sorted into nonmetal materials, large metal materials, medium metal materials and small metal materials, the sorted materials are pushed into respective conveying areas by the pushing air cylinders, meanwhile, the counter counts the materials in the conveying areas, when the counted value reaches a preset value, the PLC controller stops the actions of the transmission device 1, the material conveying device of the nonmetal material conveying area 25, the material conveying device of the large metal material conveying area 26, the material conveying device of the medium metal material conveying area 27, the material conveying device of the small metal material conveying area 28 and the pushing device of the material loading area 2, the blanking machine of the current material conveying area processes the sorted materials, and after the batched materials are processed, the PLC controller sequentially starts the material conveying device of the nonmetal material conveying area 25, the material conveying device of the large metal material conveying area 26, the material conveying device of the small metal material conveying area 28 and the pushing device of the material loading area 2, The material conveying device of the medium-sized metal material conveying area 27, the material conveying device of the small-sized metal material conveying area 28, the transmission device 1 and the pushing device of the material loading area 2 act to finish the material sorting work.
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