CN112519295A - Waste metal automatic packaging flow production line and packaging method thereof - Google Patents
Waste metal automatic packaging flow production line and packaging method thereof Download PDFInfo
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- CN112519295A CN112519295A CN202011122366.8A CN202011122366A CN112519295A CN 112519295 A CN112519295 A CN 112519295A CN 202011122366 A CN202011122366 A CN 202011122366A CN 112519295 A CN112519295 A CN 112519295A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/32—Presses specially adapted for particular purposes for consolidating scrap metal or for compacting used cars
- B30B9/327—Presses specially adapted for particular purposes for consolidating scrap metal or for compacting used cars for briquetting scrap metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/30—Feeding material to presses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/32—Discharging presses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The invention relates to the technical field of waste metal treatment. An automatic waste metal packaging flow production line comprises a feeding conveyor, a weighing and feeding device, a packaging and compressing device and a package block conveying device which are sequentially arranged along the conveying direction of materials; the weighing and feeding device comprises a hopper, and the hopper is used for collecting materials led out from the discharging end of the feeding conveyor; the hopper is positioned below the discharge end of the feeding conveyor; the weighing and feeding device comprises a hopper driving mechanism, and the hopper driving mechanism is used for driving the hopper to turn over so as to drive the hopper to be in butt joint with the discharge end of the feeding conveyor and the feed inlet of the packing and compressing device alternately; the weighing and feeding device also comprises a weighing mechanism for weighing the weight of the hopper; the packing and compressing device is provided with a discharge port which is butted with the feed end of the packing block conveying device. This patent material loading conveyer, the feeding device that weighs, packing compression device and package piece conveyor's integration, and then realize the automatic packing of useless metal.
Description
Technical Field
The invention relates to the technical field of waste metal treatment, in particular to a waste metal packing device.
Background
At present, the packing treatment of the waste metal mainly adopts single metal packing equipment, adopts manual work or mechanical assistance to add waste materials into a packing machine material box, and a packing block is manually taken out or mechanically taken out after being compressed by a packing machine, so that the cost is high and the efficiency is high. The feeding amount can not be effectively controlled, and the formed blocks have different lengths and do not meet the requirement of the blocks to enter the furnace.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an automatic waste metal packaging flow production line, which aims to solve at least one technical problem.
The invention provides a packing method of an automatic waste metal packing flow production line, which aims to solve at least one technical problem.
In order to achieve the aim, the invention provides an automatic waste metal packaging flow production line which is characterized by comprising a feeding conveyor, a weighing and feeding device, a packaging and compressing device and a packet conveying device which are sequentially arranged along the conveying direction of materials;
the weighing and feeding device comprises a hopper, and the hopper is used for collecting materials led out from the discharging end of the feeding conveyor; the hopper is positioned below the discharge end of the feeding conveyor;
the weighing and feeding device comprises a hopper driving mechanism, and the hopper driving mechanism is used for driving a hopper to turn over so as to drive the hopper to be in butt joint with the discharge end of the feeding conveyor and the feed inlet of the packing and compressing device alternately;
the weighing and feeding device also comprises a weighing mechanism for weighing the weight of the hopper;
the packaging and compressing device is provided with a discharge port, and the discharge port is in butt joint with the feed end of the packaging block conveying device.
This patent material loading conveyer, the feeding device that weighs, packing compression device and package piece conveyor's integration, and then realize the automatic packing of useless metal.
Further preferably, a stacking manipulator is mounted at the discharge end of the package block conveying device. The package conveying device conveys the package to a designated place and then the package is stored uniformly by the stacking mechanical arm.
Further preferably, the hopper is rotatably mounted on a support frame, the support frame is provided with the hopper driving mechanism, and the hopper driving mechanism is in transmission connection with the hopper;
the weighing mechanism comprises a rack and weighing sensors, the weighing sensors are mounted at four corners of the rack, and the support frame is placed above the weighing sensors;
the support frame is connected with the rack through a balance mechanism;
the balance mechanism comprises at least three balance units, one balance unit is arranged between every two adjacent weighing sensors in all the weighing sensors, and each balance unit comprises an upper support fixed on the support frame, a lower support fixed on the rack, a first adjusting nut, a second adjusting nut and a bidirectional screw rod;
the first adjusting nut is hinged with the upper support, and the second adjusting nut is hinged with the lower support;
one end of the bidirectional screw rod is in threaded connection with the first adjusting nut, and the other end of the bidirectional screw rod is in threaded connection with the second adjusting nut.
The precision of being convenient for guarantee weighing realizes that weighing mechanism contacts the support frame all the time.
Further preferably, the support frame is provided with a limiting rod which is vertically arranged and used for mechanically limiting the overturning angle of the hopper;
when the hopper is in butt joint with the feeding conveyor, the hopper is abutted to the limiting rod.
Further preferably, the packing and compressing device comprises a compression chamber, the front end of the compression chamber is provided with the discharge hole, a door body for opening or closing the discharge hole is installed on the compression chamber, one end of the door body is hinged with the compression chamber, and the door body is hinged with a hydraulic rod for controlling the opening and closing of the door body;
the top of compression chamber has been seted up the feed inlet, the flip that is used for opening or closing the feed inlet is installed at the top of compression chamber, flip's one end is articulated with the compression chamber, the top of compression chamber is still installed and is used for flip to carry out spacing lock door hydro-cylinder to the flip when closing the discharge gate, the piston rod of lock door hydro-cylinder is used for supporting flip.
Further preferably, the conveying direction of the feeding conveyor is from right to left;
the weighing and feeding device is positioned behind the packing and compressing device, the packing and conveying device is positioned in front of the packing and compressing device, and the conveying direction of the packing and conveying device is from right to left.
The occupied space of the control device is convenient.
Further preferably, the packing and compressing device comprises a packing hydraulic system, wherein the packing hydraulic system comprises an oil pump, an oil tank, a main cartridge valve, a quick valve provided with a tenth electromagnet switch, a pressure transmitter, a main cylinder for compressing materials in the front-back direction and a side cylinder for compressing materials in the left-right direction;
the main cartridge valve comprises an overflow valve provided with a first electromagnet switch, a second cartridge valve provided with a second electromagnet switch, a third cartridge valve provided with a third electromagnet switch, a fourth cartridge valve provided with a fourth electromagnet switch, a fifth cartridge valve provided with a fifth electromagnet switch, a sixth cartridge valve provided with a sixth electromagnet switch, a seventh cartridge valve provided with a seventh electromagnet switch, an eighth cartridge valve provided with an eighth electromagnet switch and a ninth cartridge valve provided with a ninth electromagnet switch;
a liquid inlet pipeline of the oil pump is connected with a liquid outlet of the oil tank, and a liquid outlet pipeline of the oil pump is divided into five paths and is respectively connected with a first liquid inlet and a first liquid outlet of an overflow valve, a sixth cartridge valve, a seventh cartridge valve, an eighth cartridge valve and a ninth cartridge valve; a liquid inlet pipeline of the oil tank is divided into five paths and is respectively connected with a second liquid inlet and a second liquid outlet of the overflow valve, the second cartridge valve, the third cartridge valve, the fourth cartridge valve and the fifth cartridge valve;
a first liquid inlet and outlet of the second cartridge valve and a second liquid inlet and outlet of the sixth cartridge valve are connected to the rear cavity of the side cylinder through pipelines;
the first liquid inlet and outlet of the third cartridge valve and the second liquid inlet and outlet of the seventh cartridge valve are connected to the front cavity of the side cylinder through pipelines;
the first liquid inlet and outlet of the fourth cartridge valve and the second liquid inlet and outlet of the eighth cartridge valve are connected to the rear cavity of the main cylinder through pipelines;
the first liquid inlet and outlet of the fifth cartridge valve and the second liquid inlet and outlet of the ninth cartridge valve are connected to the front cavity of the main cylinder through pipelines;
the rear cavity pipeline of the main cylinder is connected to a first liquid inlet and outlet of a quick valve, and a second liquid inlet and outlet pipeline of the quick valve is connected to the front cavity of the side cylinder;
the pressure transmitter is arranged on a liquid outlet pipeline of the oil pump.
This baling press's hydraulic system is faster than originally, and the reason lies in: the return stroke of the main cylinder and the return stroke of the side cylinder are simultaneously powered, so that the power-on and power-off time of electromagnetism and the reflecting time of a valve during independent action are reduced; and secondly, when the main cylinder returns, oil in the rear cavity enters the front cavity of the side cylinder to push the return of the side cylinder, so that the utilization rate of the oil from the oil pump is improved.
Preferably, the materials to be packaged are added into the compression chamber through the weighing and feeding device, the flip cover pre-presses the materials, the door locking oil cylinder works to lock the flip cover so that the flip cover does not float, then the side cylinder works, the main cylinder works to finally compress the materials, the materials are extruded into a tight package block, the main cylinder maintains the pressure for 2-3 seconds, the door body is opened, and the main cylinder continues to work to push the package block out of the compression chamber;
the door body resets, the main cylinder and the side cylinder return stroke that resets, the lock hydro-cylinder resets, flip resets.
Further, the master cylinder is provided with a first forward stroke switch for controlling the maximum forward position of the master cylinder and a first return stroke switch for controlling the maximum return position of the master cylinder.
Further, the side cylinder is provided with a second forward stroke switch for controlling the maximum forward position of the side cylinder and a second return stroke switch for controlling the maximum return position of the side cylinder.
Furthermore, the cylinder diameter of the main cylinder is 1.4-3 times of that of the side cylinder.
Further preferably, the packaging hydraulic system comprises the following control modes:
the method is characterized in that the method is in an idle load operation mode, an oil pump outputs oil under the driving of a motor and directly returns to an oil tank through an overflow valve, a system is unloaded, and an oil cylinder does not work;
the second mode is that the side cylinder moves forward, the first electromagnet switch, the sixth electromagnet switch and the seventh electromagnet switch are powered on to open the overflow valve, the sixth cartridge valve and the seventh cartridge valve, oil output by the oil pump enters a rear cavity of the side cylinder through the sixth cartridge valve, and oil in a front cavity of the side cylinder enters a rear cavity of the side cylinder through the seventh cartridge valve and the sixth cartridge valve to form differential rapid forward; when the system pressure reaches the set pressure of the pressure transmitter, a signal is sent, the seventh electromagnet switch is powered off to close the seventh cartridge valve, the third electromagnet switch is powered on to open the third cartridge valve, oil output by the oil pump enters a rear cavity of the side cylinder through the sixth cartridge valve, oil in a front cavity of the side cylinder enters an oil tank through the third cartridge valve, and the side cylinder moves forwards at a working speed;
the main cylinder moves forward, the first electromagnet switch, the eighth electromagnet switch and the ninth electromagnet switch are powered on to open the overflow valve, the eighth cartridge valve and the ninth cartridge valve, oil output by the oil pump enters a rear cavity of the main cylinder through the eighth cartridge valve, and oil in a front cavity of the main cylinder enters a rear cavity of the main cylinder through the ninth cartridge valve and the eighth cartridge valve to form differential rapid forward movement; when the system pressure reaches the set pressure of the pressure transmitter, a signal is sent, the ninth solenoid switch is powered off to close the ninth cartridge valve, the fifth solenoid switch is powered on to open the fifth cartridge valve, oil output by the oil pump 1 enters a rear cavity of the main cylinder through the eighth cartridge valve, oil in a front cavity of the main cylinder enters an oil tank through the fifth cartridge valve, and the main cylinder moves forwards at a working speed;
the method comprises the steps that in the return stroke of the main cylinder and the side cylinder, the first electromagnet switch, the second electromagnet switch, the ninth electromagnet switch and the tenth electromagnet switch are powered on to open the overflow valve, the second cartridge valve, the ninth cartridge valve and the quick valve, oil output by the oil pump enters a front cavity of the main cylinder through the ninth cartridge valve, oil in a rear cavity of the main cylinder enters a front cavity of the side cylinder through the quick valve, oil in the rear cavity of the side cylinder enters an oil tank through the second cartridge valve, and the main cylinder and the side cylinder return stroke; because the cylinder diameter of the main cylinder is far greater than that of the side cylinder, the first return stroke switch of the side cylinder returns to the place first to send a signal, the second electromagnetic switch and the tenth electromagnetic switch lose power to close the second cartridge valve and the quick valve, the electromagnetic switch is powered on to open the fourth cartridge valve, oil output by the oil pump enters the front cavity of the main cylinder through the ninth cartridge valve, oil in the rear cavity of the main cylinder enters the oil tank through the fourth cartridge valve, the main cylinder continues to return, and when the second forward stroke switch sends a signal, the return stroke of the main cylinder reaches the place. A packet compaction process is completed.
A packing method of an automatic waste metal packing flow production line is characterized by comprising the following steps:
firstly, a feeding conveyor conveys materials into a hopper of a weighing and feeding device;
secondly, when the weight of the material in the hopper reaches a value set by the weighing mechanism, the hopper driving mechanism drives the hopper to turn over, so that the material in the hopper turns over and is poured into the packaging and compressing device after being turned over, and the hopper driving mechanism drives the hopper to turn over and reset;
thirdly, compressing and packing the materials by a packing and compressing device to form compact cuboid blocks;
fourthly, the packing and compressing device pushes the cuboid package blocks out of a compression chamber of the packing and compressing device and then the cuboid package blocks enter a package block conveying roller way;
in the process of packing the materials by the packing and compressing device, the feeding conveyor continuously conveys the materials into the hopper, when the weight of the materials reaches the value set by the weighing mechanism, the feeding conveyor stops feeding, and meanwhile, the hopper driving mechanism does not work and is in a waiting state;
when the packaging process of the packaging and compressing device is finished and is in a standby state, the hopper driving mechanism drives the hopper to overturn, so that the material in the hopper is overturned and poured into the packaging and compressing device, and then the hopper is reset, and the packaging and compressing device continues to enter the packaging process.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a side view of the compression chamber of the present invention;
FIG. 5 is a top view of the compression chamber of the present invention;
FIG. 6 is a partial structure diagram of the weighing and feeding device of the present invention;
FIG. 7 is a schematic diagram of the bale hydraulic system of the present invention.
Wherein: the automatic weighing device comprises a feeding conveyor 1, a hopper 2, a weighing mechanism 3, a hopper driving mechanism 4, a material blocking box 5, a packing and compressing device 6, a packet block conveying device 7, a stacking manipulator 8, a hydraulic station 9, an electrical cabinet 10, a limiting rod 11, a support frame 31, a frame 32, a balance mechanism 33, a weighing sensor 34, an oil pump 61, an oil tank 62, a main cartridge valve 63, a quick valve 64, a pressure transmitter 65, a main cylinder 66, a side cylinder 67, a door locking oil cylinder 68, a door locking oil cylinder 69, a turnover cover 610, a door body 631, an overflow valve 632, a second cartridge valve 632, a third cartridge valve 633, a fourth cartridge valve 634, a fifth cartridge valve 635, a sixth cartridge valve 636, a seventh cartridge valve 637, an eighth cartridge valve 638 and a ninth cartridge valve 639.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 7, an automatic waste metal packing flow production line comprises a feeding conveyor 1, a weighing and feeding device, a packing and compressing device 6 and a block packing conveying device 7 which are sequentially arranged along the conveying direction of materials; the weighing and feeding device comprises a hopper 2, and the hopper 2 is used for collecting materials led out from the discharging end of the feeding conveyor; the hopper 2 is positioned below the discharge end of the feeding conveyor; the weighing and feeding device comprises a hopper driving mechanism 4, and the hopper driving mechanism 4 is used for driving the hopper 2 to overturn so as to drive the hopper 2 to be alternately butted with the discharge end of the feeding conveyor 1 and the feed inlet of the packing and compressing device; the weighing and feeding device also comprises a weighing mechanism 3 for weighing the weight of the hopper 2; the packing and compressing device is provided with a discharge port which is butted with the feed end of the packing block conveying device. This patent material loading conveyer 1, the feeding device that weighs, packing compression device 6 and the integration of package piece conveyor 7, and then realize the automatic packing of useless metal.
A stacking manipulator 8 is arranged at the discharge end of the package block conveying device 7. The package conveying device conveys the package to a designated place and then the package is stored uniformly by the stacking mechanical arm.
The conveying direction of the feeding conveyor 1 is from right to left; weighing and feeding device is located behind the packing and compressing device 6, the packing and compressing device 6 is located in front of the packing and compressing device 7, and the conveying direction of the packing and compressing device is from right to left. The occupied space of the control device is convenient. The hydraulic station 9 and the electrical cabinet 10 are located in front of the feeding conveyor 1.
A packing method of an automatic waste metal packing flow production line comprises the following steps:
firstly, a feeding conveyor conveys materials into a hopper 2 of a weighing and feeding device;
secondly, when the weight of the material in the hopper 2 reaches a value set by the weighing mechanism 3, the hopper driving mechanism 4 drives the hopper 2 to turn over, so that the material in the hopper 2 turns over and is poured into the packaging and compressing device, and the hopper driving mechanism 4 drives the hopper 2 to turn over and reset;
thirdly, compressing and packing the materials by a packing and compressing device to form compact cuboid blocks;
fourthly, the packing and compressing device pushes the cuboid package blocks out of a compression chamber of the packing and compressing device and then the cuboid package blocks enter a package block conveying roller way;
in the process of packing the materials by the packing and compressing device, the feeding conveyor continuously conveys the materials to the hopper 2, when the weight of the materials reaches the value set by the weighing mechanism 3, the feeding conveyor stops feeding, and meanwhile, the hopper driving mechanism 4 does not work and is in a waiting state;
when the packaging process of the packaging and compressing device is finished and the packaging and compressing device is in a standby state, the hopper driving mechanism 4 drives the hopper 2 to overturn, so that the material in the hopper 2 is overturned and poured into the packaging and compressing device, and then the hopper is reset, and the packaging and compressing device continues to enter the packaging process.
Referring to fig. 6, the hopper is rotatably mounted on a support frame 31, a hopper driving mechanism 4 is mounted on the support frame 31, and the hopper driving mechanism 4 is in transmission connection with the hopper; the weighing mechanism comprises a frame 32 and weighing sensors, the weighing sensors 34 are arranged at four corners of the frame 32, and a support frame is placed above the weighing sensors 34; the support frame is connected with the frame through a balance mechanism 33; the balancing mechanism 33 comprises four balancing units, one balancing unit is arranged between two adjacent weighing sensors in all the weighing sensors, and each balancing unit comprises an upper support fixed on the supporting frame, a lower support fixed on the rack, a first adjusting nut, a second adjusting nut and a bidirectional screw rod; the first adjusting nut is hinged with the upper support, and the second adjusting nut is hinged with the lower support; one end of the bidirectional screw rod is in threaded connection with the first adjusting nut, and the other end of the bidirectional screw rod is in threaded connection with the second adjusting nut. The precision of being convenient for guarantee weighing realizes that weighing mechanism contacts the support frame all the time. The supporting frame is provided with a limiting rod 11 which is vertically arranged and is used for mechanically limiting the overturning angle of the hopper; when the hopper is butted with the feeding conveyor, the hopper is abutted against the limiting rod.
Referring to fig. 4 and 5, the packing and compressing device comprises a compression chamber, a discharge hole is formed in the front end of the compression chamber, a door body 610 for opening or closing the discharge hole is installed on the compression chamber, one end of the door body is hinged with the compression chamber, and the door body is hinged with a hydraulic rod for controlling the opening and closing of the door body; the feed inlet has been seted up at the top of compression chamber, and the flip 69 that is used for opening or closing the feed inlet is installed at the top of compression chamber, and the one end of flip 69 is articulated with the compression chamber, and the top of compression chamber still installs and is used for flip to carry out spacing lock door hydro-cylinder 68 to the flip when closing the discharge gate, and the piston rod of lock door hydro-cylinder 68 is used for supporting flip. The two sides of the feed inlet of the compression chamber are provided with material blocking boxes. The material blocking box is used for preventing waste materials in the feeding hopper from falling to places except the packaging compression chamber in the pouring process.
The method comprises the following steps that materials to be packaged are added into a compression chamber through a weighing and feeding device, a flip cover pre-presses the materials, a door locking oil cylinder works, the flip cover is locked to enable the flip cover not to float, then a side cylinder works, a main cylinder works to finally compress the materials, the materials are extruded into tight package blocks, the main cylinder maintains pressure for 2-3 seconds, a door body is opened, the main cylinder continues to work, and the package blocks are pushed out of the compression chamber;
the door body resets, the main cylinder and the side cylinder reset return stroke, the door locking oil cylinder resets, and the flip resets.
Referring to fig. 7, the packing compression apparatus includes a packing hydraulic system including an oil pump 61, an oil tank 62, a main cartridge valve 63, a quick valve 64 provided with a tenth solenoid switch YV10, a pressure transmitter 65, a main cylinder 66 for compressing a material in a front-rear direction and a side cylinder 67 for compressing a material in a left-right direction; the master cylinder 66 is equipped with a first forward stroke switch SQ1 that controls the maximum forward position of the master cylinder and a first return stroke switch SQ2 that controls the maximum return position of the master cylinder. The side cylinder 67 is provided with a second forward stroke switch SQ3 for controlling the maximum forward position of the side cylinder and a second return stroke switch SQ4 for controlling the maximum return position of the side cylinder. The cylinder diameter of the main cylinder 66 is 1.4 to 3 times of that of the side cylinder 67.
The main cartridge 63 comprises an overflow valve 631 having a first solenoid switch YV1, a second cartridge 632 having a second solenoid switch YV2, a third cartridge 633 having a third solenoid switch YV3, a fourth cartridge 634 having a fourth solenoid switch YV4, a fifth cartridge 635 having a fifth solenoid switch YV5, a sixth cartridge 636 having a sixth solenoid switch YV6, a seventh cartridge 637 having a seventh solenoid switch YV7, an eighth cartridge 638 having an eighth solenoid switch YV8, and a ninth cartridge 639 having a ninth solenoid switch YV 9.
An inlet pipeline of the oil pump 61 is connected with an outlet of the oil tank 62, and an outlet pipeline of the oil pump 61 is divided into five paths and is respectively connected with first liquid inlets and outlets of the overflow valve 631, the sixth cartridge valve 636, the seventh cartridge valve 637, the eighth cartridge valve 638 and the ninth cartridge valve 639. The inlet pipeline of the oil tank 62 is divided into five paths, and is respectively connected with the second liquid inlet and outlet of the overflow valve 631, the second cartridge valve 632, the third cartridge valve 633, the fourth cartridge valve 634 and the fifth cartridge valve 635.
The first fluid inlet and outlet of the second cartridge valve 632 and the second fluid inlet and outlet of the sixth cartridge valve 636 are connected to the rear cavity of the side cylinder 7 through pipelines.
The first fluid inlet and outlet of the third cartridge valve 633 and the second fluid inlet and outlet of the seventh cartridge valve 637 are both connected to the front cavity of the side cylinder 7 through pipelines.
The first fluid inlet and outlet of fourth cartridge 634 and the second fluid inlet and outlet of eighth cartridge 638 are each plumbed to the rear chamber of master cylinder 6.
The first fluid inlet and outlet of fifth cartridge valve 635 and the second fluid inlet and outlet of ninth cartridge valve 639 are each plumbed to the front chamber of master cylinder 6.
The rear chamber of the main cylinder 66 is connected to the first fluid inlet and outlet of the quick valve 64, and the second fluid inlet and outlet of the quick valve 64 is connected to the front chamber of the side cylinder 67.
The pressure transmitter 65 is disposed on the liquid outlet pipe of the oil pump 61.
The hydraulic system of the packer aims to reduce the action conversion link, improve the return speed of the main pressure cylinder and the side pressure cylinder and improve the working efficiency. The working principle of the hydraulic system is as follows:
in the first mode, the oil pump 61 is driven by the motor to output oil and directly return to the oil tank 62 through the overflow valve 631, the system is unloaded, and the oil cylinder does not work.
In the second mode, when the side cylinder 67 moves forward, the electromagnet switches YV1, YV6 and YV7 are electrified to open the overflow valve 631, the sixth cartridge valve 636 and the seventh cartridge valve 637, oil output by the oil pump 61 enters a rear cavity of the side cylinder 67 through the sixth cartridge valve 636, oil in a front cavity of the side cylinder 67 enters the rear cavity of the side cylinder 67 through the seventh cartridge valve 637 and the sixth cartridge valve 636 to form differential rapid forward movement; when the system pressure reaches the set pressure of the pressure transmitter 65, a signal is sent, the electromagnet switch YV7 is powered off to close the seventh cartridge valve 637, the electromagnet switch YV3 is powered on to open the third cartridge valve 633, oil output by the oil pump 1 enters the rear cavity of the side cylinder 67 through the sixth cartridge valve 636, oil in the front cavity of the side cylinder 67 enters the oil tank 62 through the third cartridge valve 633, and the side cylinder moves forward at a working speed;
when the master cylinder 66 advances, the electromagnet switches YV1, YV8 and YV9 are electrified to open the overflow valve 631, the eighth cartridge valve 638 and the ninth cartridge valve 639, oil output by the oil pump 61 enters a rear cavity of the master cylinder 66 through the eighth cartridge valve 638, oil in a front cavity of the master cylinder 66 enters the rear cavity of the master cylinder 66 through the ninth cartridge valve 639 and the eighth cartridge valve 638 to form differential rapid advance; when the system pressure reaches the set pressure of the pressure transmitter 65, a signal is sent, the electromagnet switch YV9 is powered off to close the ninth cartridge valve 639, the electromagnet switch YV5 is powered on to open the fifth cartridge valve 635, oil output by the oil pump 61 enters the rear cavity of the main cylinder 66 through the eighth cartridge valve 638, oil in the front cavity of the main cylinder 66 enters the oil tank 62 through the fifth cartridge valve 635, and the main cylinder 66 moves forwards at a high speed;
the mode IV includes that the main cylinder and the side cylinder return, the electromagnetic switches YV1, YV2, YV9 and YV10 are electrified to open the overflow valve 631, the second cartridge valve 632, the ninth cartridge valve 639 and the quick valve 64, oil output by the oil pump 61 enters a front cavity of the main cylinder 66 through the ninth cartridge valve 639, oil in a rear cavity of the main cylinder 66 enters a front cavity of the side cylinder 67 through the quick valve 64, oil in a rear cavity of the side cylinder 67 enters the oil tank 62 through the second cartridge valve 632, and the main cylinder and the side cylinder return; because the diameter of the master cylinder is far larger than that of the side cylinder, the side cylinder returns to the place in advance and the second return stroke switch SQ4 sends a signal, the electromagnet switches YV2 and YV10 lose power to close the second cartridge valve 632 and the quick valve 64, the electromagnet switch YV4 is powered on to open the fourth cartridge valve 634, oil output by the oil pump 61 enters the front cavity of the master cylinder 66 through the ninth cartridge valve 639, oil in the rear cavity of the master cylinder 66 enters the oil tank 62 through the fourth cartridge valve 634, the master cylinder returns continuously, and when the second forward stroke switch SQ3 sends a signal, the master cylinder returns to the place. A packet compaction process is completed.
The hydraulic system of the packer is faster than the original reason that: the return stroke of the main cylinder and the return stroke of the side cylinder are simultaneously powered, so that the power-on and power-off time of electromagnetism and the reflecting time of a valve during independent action are reduced; and secondly, when the main cylinder returns, oil in the rear cavity enters the front cavity of the side cylinder to push the return of the side cylinder, so that the utilization rate of the oil from the oil pump is improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (10)
1. An automatic waste metal packaging flow production line is characterized by comprising a feeding conveyor, a weighing and feeding device, a packaging and compressing device and a package block conveying device which are sequentially arranged along the conveying direction of materials;
the weighing and feeding device comprises a hopper, and the hopper is used for collecting materials led out from the discharging end of the feeding conveyor; the hopper is positioned below the discharge end of the feeding conveyor;
the weighing and feeding device comprises a hopper driving mechanism, and the hopper driving mechanism is used for driving a hopper to turn over so as to drive the hopper to be in butt joint with the discharge end of the feeding conveyor and the feed inlet of the packing and compressing device alternately;
the weighing and feeding device also comprises a weighing mechanism for weighing the weight of the hopper;
the packaging and compressing device is provided with a discharge port, and the discharge port is in butt joint with the feed end of the packaging block conveying device.
2. The automated scrap metal baling line of claim 1, wherein: and a stacking manipulator is installed at the discharge end of the package block conveying device.
3. The automated scrap metal baling line of claim 1, wherein: the hopper is rotatably arranged on a support frame, the support frame is provided with the hopper driving mechanism, and the hopper driving mechanism is in transmission connection with the hopper;
the weighing mechanism comprises a rack and weighing sensors, at least three weighing sensors are mounted on the rack, and the support frame is placed above the weighing sensors;
the support frame is connected with the rack through a balance mechanism;
the balance mechanism comprises at least three balance units, one balance unit is arranged between every two adjacent weighing sensors in all the weighing sensors, and each balance unit comprises an upper support fixed on the support frame, a lower support fixed on the rack, a first adjusting nut, a second adjusting nut and a bidirectional screw rod;
the first adjusting nut is hinged with the upper support, and the second adjusting nut is hinged with the lower support;
one end of the bidirectional screw rod is in threaded connection with the first adjusting nut, and the other end of the bidirectional screw rod is in threaded connection with the second adjusting nut.
4. The automated scrap metal baling line of claim 3, wherein: the supporting frame is provided with a limiting rod which is vertically arranged and is used for mechanically limiting the overturning angle of the hopper;
when the hopper is in butt joint with the feeding conveyor, the hopper is abutted to the limiting rod.
5. The automated scrap metal baling line of claim 1, wherein: the packaging and compressing device comprises a compression chamber, the front end of the compression chamber is provided with the discharge hole, a door body for opening or closing the discharge hole is installed on the compression chamber, one end of the door body is hinged with the compression chamber, and the door body is hinged with a hydraulic rod for controlling the opening and closing of the door body;
the top of compression chamber has been seted up the feed inlet, the flip that is used for opening or closing the feed inlet is installed at the top of compression chamber, flip's one end is articulated with the compression chamber, the top of compression chamber is still installed and is used for flip to carry out spacing lock door hydro-cylinder to the flip when closing the discharge gate, the piston rod of lock door hydro-cylinder is used for supporting flip.
6. The automated scrap metal baling line of claim 1, wherein: the conveying direction of the feeding conveyor is from right to left;
the weighing and feeding device is positioned behind the packing and compressing device, the packing and conveying device is positioned in front of the packing and compressing device, and the conveying direction of the packing and conveying device is from right to left.
7. The automated scrap metal baling line of claim 1, wherein: the packing compression device comprises a packing hydraulic system, wherein the packing hydraulic system comprises an oil pump, an oil tank, a main cartridge valve, a quick valve provided with a tenth electromagnet switch, a pressure transmitter, a main cylinder for compressing materials in the front-back direction and a side cylinder for compressing the materials in the left-right direction;
the main cartridge valve comprises an overflow valve provided with a first electromagnet switch, a second cartridge valve provided with a second electromagnet switch, a third cartridge valve provided with a third electromagnet switch, a fourth cartridge valve provided with a fourth electromagnet switch, a fifth cartridge valve provided with a fifth electromagnet switch, a sixth cartridge valve provided with a sixth electromagnet switch, a seventh cartridge valve provided with a seventh electromagnet switch, an eighth cartridge valve provided with an eighth electromagnet switch and a ninth cartridge valve provided with a ninth electromagnet switch;
a liquid inlet pipeline of the oil pump is connected with a liquid outlet of the oil tank, and a liquid outlet pipeline of the oil pump is divided into five paths and is respectively connected with a first liquid inlet and a first liquid outlet of an overflow valve, a sixth cartridge valve, a seventh cartridge valve, an eighth cartridge valve and a ninth cartridge valve; a liquid inlet pipeline of the oil tank is divided into five paths and is respectively connected with a second liquid inlet and a second liquid outlet of the overflow valve, the second cartridge valve, the third cartridge valve, the fourth cartridge valve and the fifth cartridge valve;
a first liquid inlet and outlet of the second cartridge valve and a second liquid inlet and outlet of the sixth cartridge valve are connected to the rear cavity of the side cylinder through pipelines;
the first liquid inlet and outlet of the third cartridge valve and the second liquid inlet and outlet of the seventh cartridge valve are connected to the front cavity of the side cylinder through pipelines;
the first liquid inlet and outlet of the fourth cartridge valve and the second liquid inlet and outlet of the eighth cartridge valve are connected to the rear cavity of the main cylinder through pipelines;
the first liquid inlet and outlet of the fifth cartridge valve and the second liquid inlet and outlet of the ninth cartridge valve are connected to the front cavity of the main cylinder through pipelines;
the rear cavity pipeline of the main cylinder is connected to a first liquid inlet and outlet of a quick valve, and a second liquid inlet and outlet pipeline of the quick valve is connected to the front cavity of the side cylinder;
the pressure transmitter is arranged on a liquid outlet pipeline of the oil pump.
8. The method for packing the waste metal automatic packing flow production line according to claim 7, wherein the material to be packed is fed into the compression chamber through the weighing and feeding device, the flip cover pre-presses the material, the door locking oil cylinder operates to lock the flip cover so that the flip cover does not float, then the side cylinder operates, the main cylinder operates to finally compress the material, the material is extruded into a tight package, the main cylinder maintains the pressure for 2-3 seconds, the door body is opened, the main cylinder continues to operate to push the package out of the compression chamber;
the door body resets, the main cylinder and the side cylinder return stroke that resets, the lock hydro-cylinder resets, flip resets.
9. The automated scrap metal baling line of claim 7, wherein: the packing hydraulic system comprises the following control modes:
the method is characterized in that the method is in an idle load operation mode, an oil pump outputs oil under the driving of a motor and directly returns to an oil tank through an overflow valve, a system is unloaded, and an oil cylinder does not work;
the second mode is that the side cylinder moves forward, the first electromagnet switch, the sixth electromagnet switch and the seventh electromagnet switch are powered on to open the overflow valve, the sixth cartridge valve and the seventh cartridge valve, oil output by the oil pump enters a rear cavity of the side cylinder through the sixth cartridge valve, and oil in a front cavity of the side cylinder enters a rear cavity of the side cylinder through the seventh cartridge valve and the sixth cartridge valve to form differential rapid forward; when the system pressure reaches the set pressure of the pressure transmitter, a signal is sent, the seventh electromagnet switch is powered off to close the seventh cartridge valve, the third electromagnet switch is powered on to open the third cartridge valve, oil output by the oil pump enters a rear cavity of the side cylinder through the sixth cartridge valve, oil in a front cavity of the side cylinder enters an oil tank through the third cartridge valve, and the side cylinder moves forwards at a working speed;
the main cylinder moves forward, the first electromagnet switch, the eighth electromagnet switch and the ninth electromagnet switch are powered on to open the overflow valve, the eighth cartridge valve and the ninth cartridge valve, oil output by the oil pump enters a rear cavity of the main cylinder through the eighth cartridge valve, and oil in a front cavity of the main cylinder enters a rear cavity of the main cylinder through the ninth cartridge valve and the eighth cartridge valve to form differential rapid forward movement; when the system pressure reaches the set pressure of the pressure transmitter, a signal is sent, the ninth solenoid switch is powered off to close the ninth cartridge valve, the fifth solenoid switch is powered on to open the fifth cartridge valve, oil output by the oil pump enters a rear cavity of the main cylinder through the eighth cartridge valve, oil in a front cavity of the main cylinder enters an oil tank through the fifth cartridge valve, and the main cylinder moves forwards at a working speed;
the method comprises the steps that in the return stroke of the main cylinder and the side cylinder, the first electromagnet switch, the second electromagnet switch, the ninth electromagnet switch and the tenth electromagnet switch are powered on to open the overflow valve, the second cartridge valve, the ninth cartridge valve and the quick valve, oil output by the oil pump enters a front cavity of the main cylinder through the ninth cartridge valve, oil in a rear cavity of the main cylinder enters a front cavity of the side cylinder through the quick valve, oil in the rear cavity of the side cylinder enters an oil tank through the second cartridge valve, and the main cylinder and the side cylinder return stroke; because the cylinder diameter of the main cylinder is far greater than that of the side cylinder, the first return stroke switch of the side cylinder returns to the place first to send a signal, the second electromagnetic switch and the tenth electromagnetic switch lose power to close the second cartridge valve and the quick valve, the electromagnetic switch is powered on to open the fourth cartridge valve, oil output by the oil pump enters the front cavity of the main cylinder through the ninth cartridge valve, oil in the rear cavity of the main cylinder enters the oil tank through the fourth cartridge valve, the main cylinder continues to return, and when the second forward stroke switch sends a signal, the return stroke of the main cylinder reaches the place. A packet compaction process is completed.
10. The packing method of the scrap metal automated packing line according to any one of claims 1 to 9, comprising the steps of:
firstly, a feeding conveyor conveys materials into a hopper of a weighing and feeding device;
secondly, when the weight of the material in the hopper reaches a value set by the weighing mechanism, the hopper driving mechanism drives the hopper to turn over, so that the material in the hopper turns over and is poured into the packaging and compressing device after being turned over, and the hopper driving mechanism drives the hopper to turn over and reset;
thirdly, compressing and packing the materials by a packing and compressing device to form compact cuboid blocks;
fourthly, the packing and compressing device pushes the cuboid package blocks out of a compression chamber of the packing and compressing device and then the cuboid package blocks enter a package block conveying roller way;
in the process of packing the materials by the packing and compressing device, the feeding conveyor continuously conveys the materials into the hopper, when the weight of the materials reaches the value set by the weighing mechanism, the feeding conveyor stops feeding, and meanwhile, the hopper driving mechanism does not work and is in a waiting state;
when the packaging process of the packaging and compressing device is finished and is in a standby state, the hopper driving mechanism drives the hopper to overturn, so that the material in the hopper is overturned and poured into the packaging and compressing device, and then the hopper is reset, and the packaging and compressing device continues to enter the packaging process.
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