Unpacking equipment

Abstract

The invention relates to unpacking equipment, which comprises an unpacking bin, an unpacking bin, an unpacking bin cover, an unpacking bin cover, an unpacking bin cover, an unpacking bin cover and an unpacking bin cover, the material conveying platform assembly is rotatably installed in the unpacking bin in the vertical direction, and a material bag to be unpacked enters the feeding door, then is placed on the material conveying platform and is fixed under the action of a bag fixing device and a bag blocking device; the cutter device is installed at the bottom of the unpacking bin, and the cutter device comprises a cutter used for cutting the material bag to be unpacked; the waste bag conveying mechanism comprises a waste bag spiral motor and a waste bag conveying belt which is in transmission connection with the waste bag spiral motor; and the control device is used for controlling actions of the feeding door, the conveying platform assembly, the bag fixing device, the bag blocking device, the cutter device and the waste bag conveying belt according to a preset control strategy. Full-automatic bag opening and unpacking operation is achieved, and manual operation is not needed.

Description

Technical Field

[0001] The invention relates to the technical field of automated equipment in pharmaceutical and food industries, and in particular to unpacking equipment. Background Art

[0002] Manual unpacking stations require manual unpacking and feeding, which is labor-intensive, with serious dust on site and a poor working environment. Semi-automatic unpacking machines can solve the problems of manual feeding, manual bag opening and unpacking to a certain extent, but after unpacking, manual separation of bags and collection of empty bags are required. During the work, workers are inevitably exposed to powder and dust, which affects their health, and the efficiency of manual bag opening and unpacking is low.

[0003] In view of this, an unpacking device is provided to realize fully automatic bag opening and unpacking operations without manual operation, so as to solve the problems of dust causing health impact and low work efficiency caused by manual bag opening and unpacking. Summary of the invention

[0004] The present invention aims at the technical problems existing in the prior art and provides an unpacking device.

[0005] The technical solution of the present invention to solve the above technical problems is as follows:

[0006] An unpacking device, comprising:

[0007] An unpacking bin, the unpacking bin comprising a bin body and a feeding door openably mounted on the bin body;

[0008] A feeding conveyor, which is used to convey the bags to be unpacked to the entrance of the feeding door;

[0009] A feeding platform assembly, which is rotatably mounted in the unpacking bin in the vertical direction. After the unpacked material bags enter the feeding door, they are placed on the table of the feeding platform assembly and fixed under the action of the bag fixing device and the bag blocking device;

[0010] A cutting device, the cutting device is installed at the bottom of the unpacking bin, and the cutting device includes a cutting knife for cutting the bag to be unpacked;

[0011] A waste bag conveying mechanism, the waste bag conveying mechanism comprising a waste bag spiral motor and a waste bag conveying belt drivingly connected to the waste bag spiral motor;

[0012] A control device, wherein the control device is used to control the actions of the feed gate, the feed platform assembly, the bag fixing device, the bag blocking device, the cutter device and the waste bag conveyor belt according to a preset control strategy.

[0013] In some embodiments, the unpacking bin further comprises:

[0014] A guide rail, which is mounted on the bin body and extends in the opening and closing direction of the feed door;

[0015] A slider, the slider being mounted on the feed door via a support plate;

[0016] A rodless cylinder, wherein the cylinder barrel of the rodless cylinder is mounted on the guide rail via a cylinder bracket, and the piston of the rodless cylinder is mounted on the slider. The rodless cylinder drives the slider to drive the feed door to slide along the guide rail to realize the opening and closing of the feed door.

[0017] In some embodiments, the feed platform assembly includes:

[0018] A table top, the table top is used to place the bags to be unpacked;

[0019] A platform shaft, the platform shaft is mounted on the warehouse body, and the table top is rotatably mounted on the platform shaft;

[0020] The platform cylinder is in driving connection with the table top and drives the table top to rotate around the platform axis through the platform cylinder, so that the platform can be rotatably installed in the unpacking bin on a vertical plane.

[0021] In some embodiments, a plurality of through holes are provided on the table top, and the bag fixing device comprises:

[0022] Solid bag cylinder;

[0023] A bag-fixing rotating shaft, which is drivingly connected to the bag-fixing cylinder machine and rotates under the action of the bag-fixing cylinder;

[0024] The bag fixing hook is installed on the bag fixing shaft and rotates with the bag fixing shaft to pass through the through hole and hook the bag to be unpacked on the table.

[0025] In some embodiments, the bag blocking device is disposed at the end of the table, and the bag blocking device includes:

[0026] Bag blocking cylinder;

[0027] A bag blocking rod, which is drivingly connected to the bag blocking cylinder and rotates under the drive of the bag blocking cylinder;

[0028] The bag-blocking grille is connected to the bag-blocking rod and rotates with the bag-blocking rod to approach or move away from the table top.

[0029] In some embodiments, the feeding platform assembly further comprises:

[0030] A rapper is installed below the table and is used for rapping the unpacked material bags.

[0031] In some embodiments, the cutter device includes a cutter motor, a joint module and a cutter. The cutter is transmission-connected to the cutter motor and rotates under the drive of the cutter motor. The joint module adjusts the linear reciprocating motion of the cutter.

[0032] In some embodiments, the unpacking device further comprises:

[0033] A dust removal mechanism, comprising a dust removal fan, a dust removal pipeline, a metal filter element assembly and a pulse back-blowing valve;

[0034] Among them, the dust removal fan is connected with the unpacking bin through the dust removal pipe. When the cutter device is started, the control device controls the dust removal fan to start, and the dust generated during the unpacking process is sucked into the dust removal pipe. After being filtered by the metal filter element assembly, it is back-blown and cleaned through the pulse back-blowing valve.

[0035] In some embodiments, the preset control strategy includes:

[0036] When the bag to be unpacked is conveyed by the belt conveyor to the door of the feed door, a first feedback signal is generated, and the control device is used to control the belt conveyor to stop and control the feed door to open according to the first feedback signal;

[0037] When the feed door is fully opened, a second feedback signal is generated, and the second feedback signal is used to control the start of the belt conveyor. The belt conveyor stops after a preset delay. The material on the belt conveyor is transported forward by the belt and slides onto the table of the feeding platform assembly by the combined action of the bag's own gravity. A bag blocking device is provided in front of the table. The bag blocking device is used to block the bag to be unpacked on the table of the conveying platform. The bag fixing device is started, and the feed door is closed.

[0038] After the bag fixing device fixes the bag to be unpacked, a third feedback signal is generated, and the third feedback signal is used to control the feeding platform assembly to rotate to a vertical position;

[0039] When the feeding platform assembly rotates to a vertical position, a fourth feedback signal is generated, and the fourth feedback signal is used to control the start of the cutter device. After the cutter device moves in one direction and cuts the bag of material to be unpacked, the vibrator is started and stops after the vibration is preset for a period of time;

[0040] The feeding platform assembly is reset, and a fifth feedback signal is generated when it is completely reset, and the fifth feedback signal is used to control the reset of the cutting device and the bag fixing device;

[0041] When the bag fixing device is fully reset, a sixth feedback signal is generated. The sixth feedback signal is used to control the start of the waste bag screw motor. After a 2-second delay, the bag blocking cylinder is reset. When fully reset, a seventh feedback signal is generated. The seventh feedback signal is used to control the equipment to enter a new working cycle.

[0042] In some embodiments, the preset control strategy further includes:

[0043] In response to a cleaning instruction, the control device generates a cleaning instruction, which is used to control the opening of the valve of the cleaning liquid delivery pipeline.

[0044] In one or several of the above specific embodiments, during the working process of the unpacking device provided by the present invention, the unpacking material bag to be processed is conveyed by a belt conveyor to the entrance of the feeding door. The belt conveyor stops, and the fan of the dust removal assembly and the rodless cylinder of the feeding door are started respectively. The dust removal assembly is designed with 4 metal filters, and each metal filter is provided with a separate pulse backblow valve. During the working process, the 4 metal filters take turns to perform pulse backblowing to regenerate the metal filters. The feeding door is fully opened, the belt conveyor is started, and after a 3-second delay, the belt conveyor stops. The material on the belt conveyor slides onto the feeding platform assembly of the feeding bin under the combined action of forward conveyance by the belt and its own gravity. A bag blocking device is provided in front of the feeding platform assembly to block the material bag on the conveying platform. The cylinder of the bag fixing device is started, and the cylinder of the feeding door is reset. After the cylinder of the bag fixing device is started, it drives the bag fixing device to fix the material bag from the bottom. The cylinder of the feeding platform assembly is started, driving the feeding platform assembly to rotate around the platform axis to the vertical position. The bottom cutter motor is started. After the motor is started, the bottom cutter joint module is started. After the joint module rotates to the set value, it stops, and the bottom cutter motor is turned off. At this time, the vibrator below the feeding platform assembly is started and vibrates for 5 seconds and then stops. The cylinder of the feeding platform assembly is started to reset. The bottom cutter joint module and the bag blocking cylinder are started, and the cutter joint module drives the cutter to reset. The bag blocking device is fully opened, the bag fixing cylinder is reset, the waste bag screw motor is started, after a 2-second delay, the bag blocking cylinder is reset, and the equipment enters a new working cycle. In this way, the unpacking device can realize the automatic bag opening and unpacking of powder materials and the separation of the material bag, reduce manual intervention, lower the labor intensity, avoid the health impact of dust on workers, and improve work efficiency. Description of the Drawings

[0045] Figure 1 One of the structural schematic diagrams of the unpacking device provided by the present invention;

[0046] Figure 2 The structural schematic diagram of the feeding door assembly in the unpacking device provided by the present invention;

[0047] Figure 3 The structural schematic diagram of the unpacking bin in the unpacking device provided by the present invention;

[0048] Figure 4Schematic structural diagram of the cutting device in the unpacking device provided by the present invention;

[0049] Figure 5 Schematic structural diagram of the material conveying platform assembly in the unpacking device provided by the present invention;

[0050] Figure 6 Second schematic structural diagram of the unpacking device provided by the present invention. Detailed implementation manners

[0051] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.

[0052] In the description of the present application, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality of" means two or more, unless otherwise specifically defined.

[0053] In the description of the present application, the term "for example" is used to mean "serving as an example, illustration, or explanation". Any embodiment described as "for example" in the present application is not necessarily construed as being more preferred or having more advantages than other embodiments. In order to enable any person skilled in the art to implement and use the present invention, the following description is given. In the following description, details are set forth for purposes of explanation. It should be understood that those skilled in the art can recognize that the present invention can be implemented without using these specific details. In other instances, well-known structures and processes are not described in detail to avoid unnecessary details from obscuring the description of the present invention. Therefore, the present invention is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed in the present application.

[0054] In a specific implementation manner, the unpacking device provided by the present invention includes an unpacking bin 5, a feeding conveyor, a material conveying platform assembly 7, a bag fixing device 9, a cutting device 6, a waste bag conveying mechanism 3, and a control device; wherein, the unpacking bin 5 includes a bin body 51 and a feeding door 4 that is openably and closably installed on the bin body, and the unpacking bin 5 is used to provide a closed unpacking space; the feeding conveyor is used to convey the unpacking material bag to the entrance of the feeding door 4, that is, to transport the unpacking material bag to the entrance of the unpacking bin 5, and the feeding conveyor can be a roller conveyor, a belt conveyor, etc.

[0055] The feeding platform assembly 7 is rotatably installed in the unpacking bin 5 in the vertical direction. The material bag to be unpacked is placed on the feeding platform assembly 7 after entering the feed gate 4. The feeding platform assembly 7 is a rotatable platform. The feeding platform assembly 7 is used to place the material bag to be unpacked and may assist in dumping the material. In the initial state, the feeding platform assembly 7 is tilted. After the material bag to be unpacked passes through the feed gate and enters the feeding platform assembly, the feeding platform assembly 7 is rotated to a vertical position, so that the material bag slides downward under the action of gravity, and after falling to an appropriate position, the material bag is blocked at the bottom by a bag blocking device, and the material bag is fixed by a bag fixing device.

[0056] A plurality of through holes are provided on the table of the feeding platform assembly 7. The bag-fixing device includes a bag-fixing cylinder, a bag-fixing shaft and a bag-fixing hook. The bag-fixing shaft is connected to the bag-fixing cylinder and rotates under the action of the bag-fixing cylinder. The bag-fixing hook is installed on the bag-fixing shaft and rotates with the bag-fixing shaft to pass through the through hole and hook the bag to be unpacked on the table. During operation, after the bag-fixing motor is started, it drives the bag-fixing shaft to rotate, so that the bag-fixing hook passes through the through hole and hooks the bag; when resetting, the bag-fixing cylinder retracts to retract the bag-fixing hook, thereby fixing the bag to be unpacked through the bag-fixing device 9 to prevent movement during the cutting process. In order to ensure the bag fixing effect, a plurality of bag-fixing shafts can be arranged in parallel, and a plurality of bag-fixing hooks are arranged on each bag-fixing shaft, and the bag-fixing hooks are arranged in a one-to-one correspondence with the positions of the through holes.

[0057] The bag-blocking device is arranged at the end of the table, and comprises a bag-blocking cylinder, a bag-blocking rod and a bag-blocking grille; wherein, the bag-blocking rod is connected to the bag-blocking cylinder in a transmission manner and rotates under the drive of the bag-blocking cylinder, the bag-blocking grille is connected to the bag-blocking rod and rotates with the bag-blocking rod to approach or move away from the table, and the two ends of the bag-blocking rod are connected to the cabin body through bearings. During operation, when it is necessary to press the bag, the bag-blocking cylinder is started, and the bag-blocking rod is driven to rotate through the connecting arm, thereby driving the bag-blocking grille to swing to a position close to the table and press the bag; when it is necessary to release the bag, the bag-blocking cylinder is retracted, and the bag-blocking rod rotates in the opposite direction, thereby driving the bag-blocking grille to swing in the opposite direction and move away from the table.

[0058] The cutter device 6 is installed at the bottom of the unpacking bin 5, and the cutter device 6 includes a cutter 63 for cutting the bag to be unpacked; the waste bag conveying mechanism 3 includes a waste bag spiral motor and a waste bag conveyor belt connected to the waste bag spiral motor, and the waste bag conveyor belt is used to convey the cut waste bags out. In addition to the conveyor belt, other forms such as pneumatic conveying can also be used to output the waste bags.

[0059] The control device is used to control the actions of the feeding door, the material conveying platform assembly, the bag fixing device, the bag blocking device, the cutting device, and the waste bag conveyor belt according to a preset control strategy; the control device can be a PLC or a single-chip microcomputer.

[0060] During the working process, the feeding conveyor transports the bag to be unpacked to the feeding door of the unpacking bin; the feeding door opens, and the bag to be unpacked enters the unpacking bin and is placed on the material conveying platform assembly, and then the feeding door closes; the bag fixing cylinder of the bag fixing device drives the bag fixing rotating shaft to rotate, thereby driving the bag fixing hook to pass through the through hole to hook the bag, the bag blocking cylinder starts, drives the bag blocking rod to rotate, and uses the bag blocking grid to block the bag from continuing to fall below, so as to fix the bag to be unpacked by the bag fixing device and the bag blocking device; the cutting device starts, and the cutter cuts the bottom of the bag to be unpacked; the material conveying platform assembly can rotate in the vertical plane to assist in the dumping of materials, and the materials fall into the unpacking bin through the cut, and are conveyed to the designated position through the discharge port at the bottom of the unpacking bin, and the bag fixing device releases the bag to be unpacked; the waste bag conveying mechanism starts to convey the cut waste bag out. This unpacking equipment can realize the automatic unpacking of bags, improve efficiency, and reduce labor costs; at the same time, the closed unpacking bin can reduce dust leakage, improve the working environment, and the bag fixing device can prevent the bag from moving during the cutting process, improve the cutting accuracy and safety; the use of the control device realizes automatic control and reduces manual intervention.

[0061] In some embodiments, the unpacking bin 5 further includes a guide rail 52, a slider, and a rodless cylinder 53; wherein, the guide rail 52 is installed on the bin body 51 and extends in the opening and closing direction of the feeding door 4, and the guide rail 52 is a track for guiding the movement of the feeding door 4; the slider is installed on the feeding door 4 through a support plate 54, the cylinder barrel of the rodless cylinder 53 is installed on the guide rail 52 through a cylinder support 55, the piston of the rodless cylinder 53 is installed on the slider, and the rodless cylinder 53 drives the slider to drive the feeding door 4 to slide along the guide rail 52 to realize the opening and closing of the feeding door 4. The rodless cylinder 53 is used to drive the slider to move, thereby driving the feeding door 4 to open and close, the cylinder support 55 is used to fix the cylinder barrel of the rodless cylinder 53, and the support plate 54 is used to connect the slider and the feeding door 4; during the working process, the control device issues an instruction, the rodless cylinder starts, the piston of the rodless cylinder drives the slider to slide on the guide rail, and the slider drives the feeding door to slide along the guide rail through the support plate to realize the opening or closing of the feeding door. This device can realize the automatic opening and closing of the feeding door, and the rodless cylinder has a compact structure and small occupied space, and the guide rail and the slider can ensure the smoothness and reliability of the movement of the feeding door.

[0062] The unpacking bin 5 is provided with a wire groove 56, a CIP interface 57, and a door frame 58 for installing the feeding door, and the unpacking bin also has legs 59 and a pneumatic control box 510.

[0063] In order to realize the opening and closing of the feed door 4, other types of cylinders can also be used, such as ordinary cylinders, hydraulic cylinders, etc. instead of rodless cylinders; at the same time, other types of guide mechanisms can be used, such as linear bearings, roller guides, etc.; the feed door can also use other types of doors such as revolving doors and flap doors.

[0064] Specifically, the feeding platform assembly 7 includes a table top, a platform shaft and a platform cylinder; wherein, the table top is used to place the material bags to be unpacked, the platform shaft is installed on the bin body, the table top is rotatably installed on the platform shaft, the platform cylinder is transmission-connected to the table top, and the table top is driven to rotate around the platform shaft by the platform cylinder, so that the platform can be rotatably installed in the unpacking bin on a vertical plane.

[0065] The table is used as a plane for placing the bags to be unpacked, the platform shaft is used to support the table and provide the axis of rotation, and the platform cylinder is used to drive the cylinder for rotating the table. During operation, the control device issues a command, the platform cylinder is started, and the platform cylinder drives the table to rotate around the platform axis. The rotated table can assist in dumping the material. In this way, the feeding platform assembly can rotate to assist in dumping the material and improve the unpacking efficiency. The cylinder drive structure is simple and easy to control. The platform cylinder can be replaced by other types of drive devices, such as motors, hydraulic cylinders, etc. In addition to the rotating mechanism of the platform shaft and the cylinder, other transmission forms can also be used, such as worm gears, racks and pinions, etc.

[0066] The feeding platform assembly further includes a vibrator, which is installed below the table and is used to vibrate the unpacked material bags. When most of the powder materials have been unloaded, the vibrator is started to vibrate the material bags to discharge the remaining powder materials in the material bags, so as to reduce the residual powder materials in the material bags.

[0067] In some embodiments, the cutter device 6 includes a cutter motor, a joint module 61 and a cutter 63 . The cutter 63 is transmission-connected to the cutter motor and rotates under the drive of the cutter motor. The joint module 61 adjusts the cutting angle of the cutter 63 .

[0068] The cutter motor is used to drive the cutter 63 to rotate, the joint module 61 is used to adjust the angle during the cutter movement to ensure the straight-line movement of the cutter, and the cutter 63 is used as a tool for cutting the bag. During the working process, the control device issues a command, the cutter motor starts, drives the cutter to rotate, and the joint module adjusts the cutter movement angle according to the preset angle, so that the cutter cuts unidirectionally from one end of the bag to the other end along the preset trajectory, and the rotating cutter cuts the bag, thereby achieving the cutting of the bag. During the next cutting, the reverse movement of the cutter is controlled to achieve reverse unidirectional cutting, so as to avoid the bag fragments falling and contaminating the powder when the cutter reciprocates.

[0069] Further, the unpacking device further includes a dust removal mechanism 1, and the dust removal mechanism 1 includes a dust removal fan, a dust removal pipeline, a metal filter element assembly, and a pulse backwashing valve; wherein, the dust removal fan is connected to the unpacking bin 5 through the dust removal pipeline, and when the cutting device 6 is started, the control device controls the dust removal fan to start, sucking the dust generated during the unpacking process into the dust removal pipeline, and after being filtered by the metal filter element assembly, it is backwashed and cleaned through the pulse backwashing valve. A manual ball valve is also installed on the dust removal pipeline.

[0070] Among them, the dust removal fan is a fan for generating suction, the dust removal pipeline is a pipeline for connecting the unpacking bin and the dust removal fan, the metal filter element assembly is a filter element for filtering dust, and the pulse backwashing valve is a valve for cleaning the filter element. During the working process, when the cutting device is started, the control device controls the dust removal fan to start. The dust removal fan sucks the dust in the unpacking bin through the dust removal pipeline. The dust is filtered by the metal filter element assembly, and the pulse backwashing valve performs backwashing and cleaning regularly to keep the filter element clean. In this way, by setting the dust removal mechanism, dust leakage is reduced, and the working environment is improved. The metal filter element assembly can effectively filter dust, and the pulse backwashing valve can automatically clean the filter element, reducing the maintenance workload.

[0071] In a specific embodiment, the unpacking device provided by the present invention further includes a feeding mechanism, a dust removal mechanism 1, a cleaning system 2, a waste bag conveying mechanism 3, an unpacking bin 5, a bag fixing device, a feeding platform assembly 7, a vibrator, a cutting device 6, and an electric control box 8; wherein, the feeding mechanism includes a feeding conveyor and a feeding door 4. The belt conveyor is used to convey materials to the entrance of the feeding door 4. The feeding door 4 is connected to the frame through a rodless cylinder and is used to control the entry of materials into the unpacking bin 5; the dust removal mechanism 1 includes a fan and multiple metal filter elements, and each metal filter element is provided with a separate pulse backwashing valve. The dust removal mechanism 1 is connected to the unpacking bin 5 and is used for dust removal during the feeding and unpacking processes; the unpacking bin 5 is used to receive materials from the feeding mechanism, and a feeding platform assembly 7 is arranged below it; the bag fixing mechanism includes a bag fixing device cylinder and a bag fixing device. The cylinder of the bag fixing device is connected to the frame and is used to drive the bag fixing device to fix the material bag in the unpacking bin 5 on the feeding platform assembly 7 from the bottom; the feeding platform assembly 7 is used to support the material bag and is driven by the cylinder of the feeding platform assembly 7 to rotate around the platform axis to the vertical position. A cutting device 6 is arranged below it. The cutting device 6 includes a cutting motor and a cutting joint module 61. The cutting motor is connected to the cutting joint module 61 through a threading pipe 62. The cutting joint module 61 drives the cutting knife 63 to rotate and is used to cut the bottom of the material bag on the feeding platform assembly 7; the vibrator is installed below the feeding platform assembly 7 and is used to vibrate the feeding platform assembly 7 to make the materials fall off from the material bag; the waste bag conveying screw device 3 includes a waste bag housing 31 and a waste bag screw motor installed in the waste bag housing and is used to convey the separated empty material bags.

[0072] The preset control strategy includes:

[0073] When the bag to be unpacked is conveyed by the belt conveyor to the entrance of the feed door, a first feedback signal is generated, and the control device is used to control the belt conveyor to stop and control the feed door to open according to the first feedback signal;

[0074] When the feed door is fully opened, a second feedback signal is generated, and the second feedback signal is used to control the belt conveyor to start. The belt conveyor stops after a preset time delay. The material on the belt conveyor slides onto the tabletop of the material conveying platform assembly under the combined action of forward conveying by the belt and the self-gravity of the bag. There is a bag blocking device in front of the tabletop, and the bag blocking device is used to block the bag to be unpacked on the tabletop of the conveying platform. The bag fixing device is started, and the feed door is closed;

[0075] After the bag fixing device fixes the bag to be unpacked, a third feedback signal is generated, and the third feedback signal is used to control the material conveying platform assembly to rotate to the vertical position;

[0076] When the material conveying platform assembly rotates to the vertical position, a fourth feedback signal is generated, and the fourth feedback signal is used to control the cutting device to start. After the cutting device moves unidirectionally and cuts the bag to be unpacked, the vibrator is started and stops after vibrating for a preset time;

[0077] The material conveying platform assembly resets, and when it is fully reset, a fifth feedback signal is generated, and the fifth feedback signal is used to control the cutting device and the bag fixing device to reset;

[0078] When the bag fixing device is fully reset, a sixth feedback signal is generated, and the sixth feedback signal is used to control the waste bag screw motor to start. After a delay of 2 seconds, the bag blocking cylinder resets. When it is fully reset, a seventh feedback signal is generated, and the seventh feedback signal is used to control the equipment to enter a new working cycle.

[0079] During the working process, the material is conveyed by the belt conveyor to the feed entrance, and there will be signal feedback. The belt conveyor stops. This signal controls the dust removal component fan and the feed door rodless cylinder to start respectively. The rodless cylinder drives the slider to drive the feed door to open. When the feed door is fully opened, there will be signal feedback to control the belt conveyor to start. The belt conveyor stops after a delay of 3 seconds. The material on the belt conveyor slides onto the feeding bin material conveying platform under the combined action of forward conveying by the belt and the self-gravity of the bag. There is a bag blocking device in front of the material conveying platform to block the bag on the conveying platform. The bag fixing device cylinder is started, and the feed door cylinder resets, driving the slider to drive the feed door to close. When the door is fully closed, the photoelectric switch for detecting the door will have signal feedback.

[0080] After the cylinder of the bag-fixing device is started, it drives the bag-fixing device to fix the material bag from the bottom. When the cylinder is fully extended, there will be a signal feedback. This signal is used to control the start of the cylinder of the material conveying platform, driving the material conveying platform to rotate around the platform axis to the vertical position. When the cylinder is fully extended, there will be a signal feedback. This signal is used to control the start of the bottom cutter motor. After the motor is started, the bottom cutter joint module is started. After the joint module rotates to the set value, it stops and the bottom cutter motor is turned off. At this time, the vibrator under the material conveying platform is started and vibrates for 5 seconds and then stops. The cylinder of the material conveying platform is started to reset. When the cylinder is fully reset, there is a signal output. This signal controls the start of the bottom cutter joint module and the bag-blocking cylinder. The cutter joint module drives the cutter to reset. When the bag-blocking device is fully opened, there is a signal output. This signal controls the reset of the bag-fixing cylinder. When the cylinder is fully reset, there is a signal output. This signal controls the start of the waste bag screw motor. After a delay of 2 seconds, the bag-blocking cylinder resets. When it is fully reset, there will be a signal feedback and the equipment enters a new working cycle.

[0081] During the working process, the equipment is initialized, the feeding door is closed, and the cutter device, waste bag conveying mechanism, and material conveying platform assembly stop; after receiving the feeding signal, the feeding door opens and closes after a preset duration; after the feeding door is closed, the cutter device starts to cut the bottom of the material bag, and the material conveying platform assembly starts to convey the material; after detecting that the material bag cutting is completed, the bag-blocking device extends to block the material bag, and the bag-pressing cylinder presses the material bag; after receiving the signal that the bag-blocking device is in place, the bag-pressing cylinder resets; after receiving the signal that the bag-pressing cylinder resets, the waste bag conveying mechanism starts to convey the waste bag to the preset position. After a preset duration, the bag-blocking device resets. Thus, the automatic control of the unpacking equipment is realized, the efficiency is improved, and the labor cost is reduced. The preset control strategy can ensure the safety and reliability of the unpacking process.

[0082] Furthermore, the preset control strategy further includes:

[0083] In response to the cleaning instruction, the control device generates a cleaning instruction, which is used to control the opening of the valve of the cleaning liquid conveying pipeline. After receiving the cleaning instruction, the control device generates a cleaning instruction, and the cleaning instruction controls the opening of the valve of the cleaning liquid conveying pipeline. The cleaning liquid is sprayed into the unpacking bin through the conveying pipeline for cleaning, thus realizing the automatic cleaning of the unpacking equipment and reducing the manual cleaning workload.

[0084] In the above specific embodiments, during the operation of the unpacking device provided by the present invention, the unpacking material bag is conveyed by a belt conveyor to the entrance of the feeding door. The belt conveyor stops, and the fan of the dust removal assembly and the rodless cylinder of the feeding door are started respectively. The dust removal assembly is designed with 4 metal filters, and each metal filter is provided with a separate pulse backflush valve. During operation, the 4 metal filters take turns to perform pulse backflushing to regenerate the metal filters. The feeding door is fully opened, the belt conveyor is started, and the belt conveyor stops after a delay of 3 seconds. The material on the belt conveyor slides onto the feeding platform assembly of the feeding bin under the combined action of forward conveyance by the belt and its own gravity. A bag blocking device is provided in front of the feeding platform assembly to block the material bag on the conveying platform. The cylinder of the bag fixing device is started, and the cylinder of the feeding door resets. After the cylinder of the bag fixing device is started, it drives the bag fixing device to fix the material bag from the bottom. The cylinder of the feeding platform assembly is started, driving the feeding platform assembly to rotate around the platform axis to the vertical position. The motor of the bottom cutter is started, and after the motor is started, the joint module of the bottom cutter is started. The joint module stops after rotating to the set value, and the motor of the bottom cutter is turned off. At this time, the vibrator below the feeding platform assembly is started and vibrates for 5 seconds and then stops. The cylinder of the feeding platform assembly is started to reset. The joint module of the bottom cutter and the bag blocking cylinder are started, and the joint module of the cutter drives the cutter to reset. The bag blocking device is fully opened, the bag fixing cylinder resets, and the waste bag screw motor is started. After a delay of 2 seconds, the bag blocking cylinder resets, and the device enters a new working cycle. In this way, the unpacking device can realize the automatic bag opening and unpacking of powder materials and the separation of the material bag, reduce manual intervention, lower the labor intensity, avoid the health impact of dust on workers, and improve work efficiency.

[0085] This device is a special device for separating powder materials from material bags. It has thorough bag opening and unpacking, a high degree of automation in material bag separation, no personnel participation during the bag opening, unpacking, and material bag separation processes, eliminates the health impact of dust on workers, reduces labor costs, has a simple structure, and has broad application prospects in industries such as pharmaceuticals, veterinary drugs, and food due to its advantages of safety and convenience.

[0086] In the above specific embodiments, the purpose, technical solution, and beneficial effects of the present invention are further described in detail. It should be understood that the above are only specific embodiments of the present invention and are not used to limit the protection scope of the present invention. Any modifications, equivalent replacements, improvements, etc. made on the basis of the technical solution of the present invention should be included in the protection scope of the present invention.

Claims

1. An unpacking device, characterized in that, Comprising: An unpacking bin, the unpacking bin including a bin body and a feed door that is openably and closably installed on the bin body; A feed conveyor for conveying the unpacking material bags to the entrance of the feed door; A material conveying platform assembly rotatably installed in the unpacking bin in the vertical direction. After the unpacking material bags enter the feed door, they are placed on the tabletop of the material conveying platform assembly and fixed under the action of a bag fixing device and a bag blocking device; A cutting device installed at the bottom of the unpacking bin, the cutting device including a cutter for cutting the unpacking material bags; A waste bag conveying mechanism including a waste bag spiral motor and a waste bag conveyor belt drivingly connected to the waste bag spiral motor; A control device for controlling the actions of the feed door, the material conveying platform assembly, the bag fixing device, the bag blocking device, the cutting device, and the waste bag conveyor belt according to a preset control strategy.

2. The unpacking device according to claim 1, wherein The unpacking bin further includes: A guide rail installed on the bin body and extending in the opening and closing direction of the feed door; A slider installed on the feed door through a support plate; A rodless cylinder, the cylinder barrel of the rodless cylinder being installed on the guide rail through a cylinder support, the piston of the rodless cylinder being installed on the slider, and the rodless cylinder driving the slider to drive the feed door to slide along the guide rail to realize the opening and closing of the feed door.

3. The unpacking device according to claim 1, characterized in that, The material conveying platform assembly includes: A tabletop for placing the unpacking material bags; A platform shaft installed on the bin body, and the tabletop is rotatably installed on the platform shaft; A platform cylinder drivingly connected to the tabletop and driving the tabletop to rotate around the platform shaft through the platform cylinder, so that the platform is rotatably installed in the unpacking bin in the vertical plane.

4. The unpacking device according to claim 3, wherein A plurality of through holes are formed in the tabletop, and the bag fixing device includes: A bag fixing cylinder; A bag fixing rotating shaft drivingly connected to the bag fixing cylinder and rotating under the action of the bag fixing cylinder; A bag fixing hook installed on the bag fixing rotating shaft and rotating with the bag fixing rotating shaft to pass through the through hole and hook the unpacking material bag on the tabletop.

5. The unpacking device according to claim 3, characterized in that, The bag blocking device 92 is arranged at the end of the tabletop, and the bag blocking device includes: A bag blocking cylinder; A bag blocking rod drivingly connected to the bag blocking cylinder and rotating under the drive of the bag blocking cylinder; A bag blocking grid connected to the bag blocking rod and rotating with the bag blocking rod to approach or move away from the tabletop.

6. The unpacking device according to claim 3, characterized in that, The material conveying platform assembly further includes: A vibrator installed below the tabletop for vibrating the unpacked material bags.

7. The unpacking device according to claim 1, characterized in that, The cutting device includes a cutter motor, a joint module, and a cutter. The cutter is drivingly connected to the cutter motor and rotates under the drive of the cutter motor, and the joint module adjusts the linear reciprocating motion of the cutter.

8. The unpacking device according to claim 1, characterized in that, Further included: A dust removal mechanism including a dust removal fan, a dust removal pipeline, a metal filter element assembly, and a pulse backflush valve; Among them, the dust removal fan is connected to the unpacking bin through the dust removal pipeline. When the cutting device is started, the control device controls the dust removal fan to start, sucks the dust generated during the unpacking process into the dust removal pipeline, and after being filtered by the metal filter element assembly, it is back blown and cleaned through the pulse back blow valve.

9. The unpacking device according to claim 1, characterized in that, The preset control strategy includes: When the unpacking material bag is conveyed by the belt conveyor to the entrance of the feeding door, a first feedback signal is generated, and the control device is used to control the belt conveyor to stop and control the feeding door to open according to the first feedback signal; When the feeding door is fully opened, a second feedback signal is generated, and the second feedback signal is used to control the belt conveyor to start. The belt conveyor stops after a preset delay. The material on the belt conveyor slides onto the table surface of the material conveying platform assembly under the combined action of forward conveying by the belt and the self-gravity of the material bag. There is a bag blocking device in front of the table surface, and the bag blocking device is used to block the unpacking material bag on the table surface of the conveying platform. The bag fixing device is started and the feeding door is closed; After the bag fixing device fixes the unpacking material bag, a third feedback signal is generated, and the third feedback signal is used to control the material conveying platform assembly to rotate to the vertical position; When the material conveying platform assembly rotates to the vertical position, a fourth feedback signal is generated, and the fourth feedback signal is used to control the cutting device to start. After the cutting device moves unidirectionally and cuts the unpacking material bag, the vibrator is started and stops after vibrating for a preset time; The material conveying platform assembly resets, and when it is fully reset, a fifth feedback signal is generated, and the fifth feedback signal is used to control the cutting device and the bag fixing device to reset; When the bag fixing device is fully reset, a sixth feedback signal is generated, and the sixth feedback signal is used to control the waste bag spiral motor to start. After a delay of 2 seconds, the bag blocking cylinder resets. When it is fully reset, a seventh feedback signal is generated, and the seventh feedback signal is used to control the equipment to enter a new working cycle.

10. The unpacking device according to claim 9, characterized in that, The preset control strategy further includes: In response to the cleaning instruction, the control device generates a cleaning instruction, and the cleaning instruction is used to control the valve of the cleaning liquid conveying pipeline to open.

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