CN111497174B - Working method of plastic blow molding automatic net changing structure and butt joint device thereof - Google Patents
Working method of plastic blow molding automatic net changing structure and butt joint device thereof Download PDFInfo
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- CN111497174B CN111497174B CN202010309067.9A CN202010309067A CN111497174B CN 111497174 B CN111497174 B CN 111497174B CN 202010309067 A CN202010309067 A CN 202010309067A CN 111497174 B CN111497174 B CN 111497174B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0017—Combinations of extrusion moulding with other shaping operations combined with blow-moulding or thermoforming
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/27—Cleaning; Purging; Avoiding contamination
- B29C48/2725—Cleaning; Purging; Avoiding contamination of filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/69—Filters or screens for the moulding material
- B29C48/691—Arrangements for replacing filters, e.g. with two parallel filters for alternate use
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a working method of an automatic net changing structure for plastic blow molding, and relates to the technical field of plastic blow molding machines. The blow molding machine related to the working method comprises a conveying device and a net changing box, wherein the side wall of the conveying device is fixedly connected with an electric cabinet, the top of the net changing box is fixedly connected with a cleaning box, two sides of the net changing box are fixedly connected with two butting devices, two driving devices are arranged in the net changing box, the inner bottom surface and the inner top surface of the net changing box are fixedly connected with lifting devices, three filtering devices are movably connected between the two driving devices, the invention is characterized in that the driving devices are matched with the conveying device, can realize the automatic replacement of the filtering device, the filtering device after the replacement is sprayed and cleaned in the cleaning box, is convenient for recycling, the lifting device can change the overlapping area of the filtering holes, thereby change the size of filtration pore to filter to the impurity of equidimension diameter not, filtration pore relative slip can cut impurity equally, can realize dredging fast.
Description
Technical Field
The invention relates to the technical field of plastic blow molding machines, in particular to a working method of an automatic net changing structure for plastic blow molding.
Background
A blow molding machine is a plastic processing machine. After the liquid plastic is sprayed, the plastic body is blown to a mold cavity with a certain shape by using the wind force blown by a machine, so as to manufacture a product, wherein the machine is called a blow molding machine; in the production process of the blow molding machine, after the plastic melt is plasticized and heated for a long time, decomposition residues and other impurities in the raw materials are generated in the melt, and once the impurities enter the machine head, the flow channel can be blocked, and in order to avoid the blocking problem, a filter screen is usually arranged between the screw cylinder and the machine head.
The structure is changed mainly for manual change to current filter screen to there is following defect: 1. the filter screen has limited filtering performance, cannot filter impurities with different radiuses, cannot realize full-automatic replacement, and has lower automation level; 2. when the filter screens are blocked, the rapid dredging can not be realized, and the production is easily delayed due to the overhaul time; 3. because the filter screen after blocking and changing needs to be cleaned manually, and human resources need to be invested, the technical problem that technical personnel in the field need to solve is to develop a plastic blow molding automatic net changing structure.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an automatic net changing structure for plastic blow molding, which solves the problems in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme: a plastic blow molding automatic net changing structure comprises a conveying device and a net changing box, wherein an electric cabinet is fixedly connected to the side wall of the conveying device, a cleaning box is fixedly connected to the top of the net changing box, two butt joint devices are fixedly connected to two sides of the net changing box, two driving devices are arranged inside the net changing box, lifting devices are fixedly connected to the inner bottom surface and the inner top surface of the net changing box, three filtering devices are movably connected between the two driving devices, one opposite sides of the two lifting devices are in transmission connection with the filtering devices, and four supporting legs are fixedly connected to the bottom of the net changing box;
drive arrangement includes driving motor and eighteen carriage release lever, driving motor top surface and trade interior top surface fixed connection of screen box, the electric cabinet output passes through electric wire and driving motor input electric connection, driving motor bottom output shaft one end fixedly connected with transmission shaft, two drive wheels of transmission shaft week side fixedly connected with, the transmission shaft bottom is passed through the bearing and is connected, eighteen with trading the interior bottom surface rotation of screen box through two liang of rotations of connecting piece, the carriage release lever top is connected with the bottom all through two liang of rotations of connecting piece.
Further, two all sides of the driving wheel are in transmission connection with eighteen moving rods, eighteen all sides of the moving rods are in transmission connection with two driven wheels, two fixed shafts are fixedly connected to the axle centers of the driven wheels, two ends of each fixed shaft are respectively in rotation connection with the inner top surface and the inner bottom surface of the net changing box through bearings, and eighteen all sides of the moving rods are in sliding connection with three filtering devices.
Further, conveyor includes four stands, two fixedly connected with fixing base between the relative lateral wall in stand top, two of fixing base lateral wall fixedly connected with transport the motor, the electric cabinet output passes through the electric wire and transports motor input electric connection with two respectively, transport motor output shaft one end fixedly connected with lead screw, two equal threaded connection in lead screw week side has the slip table.
Further, two lead screw one end all is rotated with another fixing base through the bearing and is connected, two electric telescopic handle of slip table bottom surface fixedly connected with, the electric cabinet output pass through the electric wire respectively with two electric telescopic handle input electric connection, two the equal fixedly connected with electric clamping jaw in first electric telescopic handle bottom, the electric cabinet output passes through electric wire and electric clamping jaw input electric connection.
Further, there is the rose box clean case lateral wall bottom through the pipeline intercommunication, the inside slip of rose box is provided with four layers of network structure, the rose box lateral wall has the water pump through the pipeline intercommunication, the electric cabinet output passes through electric wire and water pump input electric connection, the water pump delivery port has the shower through the pipe connection, the shower is fixed in clean incasement wall, the filtration pore has been seted up to shower week side.
Further, elevating gear includes first elevator motor and second elevator motor, the electric cabinet output pass through the electric wire respectively with first elevator motor and second elevator motor input electric connection, first elevator motor is fixed in trades the interior top surface of net cage, second elevator motor is fixed in trades the interior bottom surface of net cage, first elevator motor output shaft one end fixedly connected with belt pulley, belt pulley week side is connected with the rotation axis through the transmission of driving belt, second elevator motor output and another rotation axis fixed connection, two the three cam of the equal fixedly connected with in rotation axis week side, six the cam uses the three to be a set of longitudinal symmetry distribution, six the relative lateral wall of cam is connected with three filter equipment transmission respectively.
Furthermore, trade the equal fixedly connected with first support in both sides around the internal top surface of box with a net, two first support internal surface all rotates with rotation axis week side and is connected, trade box with a net equal fixedly connected with second support in both sides around the internal bottom surface of box with a net, two second support internal surface all rotates with another rotation axis week side and is connected.
Further, the interfacing apparatus includes two connecting pieces, two the connecting piece relative lateral wall all with trade box both sides fixed connection, two the equal fixedly connected with of connecting piece one side is to the pipe, it has the slip pipe to manage internal surface sliding connection, to manage top surface fixedly connected with second electric putter, the electric cabinet output passes through electric wire and second electric putter input electric connection, slip pipe top surface fixedly connected with fixed block, second electric putter one end and fixed block lateral wall fixed connection, the slip pipe is kept away from and is managed a side edge fixedly connected with sealing strip.
Further, the inside hollow structure that is of filter equipment, two spouts have all been seted up to the filter equipment left and right sides, filter equipment passes through both sides spout and drive arrangement sliding connection, the equal fixedly connected with filter screen of lateral wall around the filter equipment, the filtration pore has been seted up on the filter screen surface, the filtration pore appearance is horizontal rectangular shape structure.
A working method of a plastic blow molding automatic net changing structure comprises the following steps:
s1 replacement of filter: the electric cabinet controls two conveying motors on the conveying device to start, the two conveying motors output rotation to drive the screw rods to rotate, the two screw rods rotate the electric sliding table to move back and forth, the electric cabinet controls two first electric telescopic rods at the bottom of the sliding table to contract, the first electric telescopic rods drive the electric clamping jaws to lift, the electric cabinet respectively controls the conveying motors and the first electric telescopic rods to enable the electric clamping jaws to enter the cleaning box, the electric cabinet controls the electric clamping jaws to grab a filtering device and convey the filtering device to the position right above the butting device, the electric cabinet controls a second electric push rod in the butting device to contract, the second electric push rod drives the fixing block to move, the fixing block drives the sliding pipe to move towards the inside of the butting pipe, so that the sealing strip is separated from the side wall of the filtering device at the outermost side, the electric cabinet controls the two first electric telescopic rods to extend, and the filtering device grabbed by the electric clamping jaws is moved to one side of the filtering device at the outermost side, the electric cabinet controls the start of the driving motors in the two driving devices, the output shaft of the driving motor rotates to drive the transmission shaft and the driving wheels to rotate, the two driving wheels drive the eighteen moving rods to rotate, the moving direction of the moving rod close to one side of the filtering device is opposite to the extrusion direction of the blow molding machine, the moving rod drives the three filtering devices to move, the electric cabinet controls the electric clamping jaw to loosen the filtering device, the sliding grooves on the two sides of the new filtering device are matched with the moving rod, the moving rod drives the new filtering device to enter the inside of the net replacing box, meanwhile, the filtering device on the other side is extruded, the electric cabinet controls the conveying motor and the first electric telescopic rod to enable the electric clamping jaw to reach the other side of the screen changing box, the electric clamping jaw grabs the extruded filtering device and conveys the extruded filtering device into the cleaning box to complete the replacement of the filtering device, and the electric cabinet controls the second electric push rods on the two butt-joint devices to extend to enable the two sealing strips to be in butt joint with the filtering device again;
s2 cleaning the filter unit under replacement: the electric cabinet controls the water pump to start, the water pump pumps water in the cleaning box into the filtering box, the water is pumped into the spraying pipe by the water pump after being filtered in the filtering box, the water is sprayed out through spray holes on the peripheral side surface of the spraying pipe to spray the filtering device, the filtering device is convenient to replace next time, and the filtering box can be opened to clean a filter screen in the filtering device at regular time;
s3 unclogging and adjusting the filtering device: the electric cabinet controls a first lifting motor and a second lifting motor in the lifting device to be started, an output shaft of the first lifting motor rotates to drive a belt pulley to rotate, the belt pulley drives a rotating shaft to rotate through a transmission belt, an output shaft of the second lifting motor rotates to drive another rotating shaft to rotate, the two rotating shafts respectively drive three corresponding cams to rotate, the six cams rotate to realize reciprocating lifting of the three filtering devices, the moving direction of the filtering device in the middle is opposite to that of the adjacent filtering device, and the overlapping area of filtering holes in the filtering net is changed by adjusting the lifting motion of the three filtering devices, so that the sizes of the filtering holes in the filtering devices are changed to filter impurities with different sizes; if the filter holes in the three filter devices are blocked, the electric cabinet controls the first lifting motor and the second lifting motor on the lifting device to start, the output shafts of the first lifting motor and the second lifting motor rotate to drive the three filter devices to continuously lift, and through continuous lifting friction among the three filter devices, the impurities blocked on the filter holes are cut up, so that the stable work of the filter devices is guaranteed.
The invention has the following beneficial effects:
1. this automatic net structure that trades of plastics blowing mutually supports with conveyor through setting up drive arrangement, can realize filter equipment's automatic change, and multiunit filter equipment can ensure filtering quality job stabilization, and the filter equipment after the completion of change sprays the washing in clean box inside, conveniently carries out reuse, compares with prior art, has improved the automation level of trading the net structure.
2. This automatic net structure of trading of plastics blowing through setting up elevating gear changing inside the net cage, utilizes the cam to realize relative slip between the three filter equipment, has changed the coincidence area of filtration pore in the filter screen to change the size of filtration pore, filter with the impurity to the not equidimension diameter, three filter equipment relative slip can cut the impurity of jam on the filter screen equally, can realize dredging fast, has saved the time of overhauing.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of an automatic net changing structure in plastic blow molding according to the present invention;
FIG. 2 is a schematic view of the conveyor;
FIG. 3 is a schematic view showing an internal structure of the clean box;
FIG. 4 is a schematic structural view of the docking device;
FIG. 5 is a schematic view of the internal structure of the net cage;
FIG. 6 is a schematic structural diagram of a driving device;
FIG. 7 is a schematic view of the combination of the lifting device and the filtering device;
FIG. 8 is a schematic view of the combination of the driving device and the filtering device;
FIG. 9 is a schematic view showing the internal structure of the filter device;
FIG. 10 is an enlarged view of a portion of FIG. 5 at A;
FIG. 11 is an enlarged view of a portion of FIG. 5 at B;
FIG. 12 is a block diagram of the circuit connections of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
in the figure: 1-conveying device, 2-electric cabinet, 3-net changing box, 4-butt joint device, 5-cleaning box, 6-driving device, 7-lifting device, 8-filtering device, 11-upright post, 12-fixed seat, 13-conveying motor, 14-screw rod, 15-sliding table, 16-first electric telescopic rod, 17-electric clamping jaw, 31-first support, 32-second support, 41-connecting piece, 42-butt joint pipe, 43-sliding pipe, 44-second electric push rod, 45-fixed block, 46-sealing strip, 51-filtering box, 52-water pump, 53-spraying pipe, 61-driving motor, 62-transmission shaft, 63-driving wheel, 64-fixed shaft, 65-driven wheel, 66-travel bar, 67-connecting piece, 71-first lifting motor, 72-belt pulley, 73-driving belt, 74-rotating shaft, 75-cam, 76-second lifting motor, 81-chute, 82-filter screen, 83-filter hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-11, the present invention provides a technical solution: a plastic blow molding automatic net changing structure comprises a conveying device 1 and a net changing box 3, wherein the side wall of the conveying device 1 is fixedly connected with an electric cabinet 2, the top of the net changing box 3 is fixedly connected with a cleaning box 5, two sides of the net changing box 3 are fixedly connected with two butt-joint devices 4, two driving devices 6 are arranged inside the net changing box 3, the inner bottom surface and the inner top surface of the net changing box 3 are fixedly connected with lifting devices 7, three filtering devices 8 are movably connected between the two driving devices 6, one sides of the two lifting devices 7 opposite to each other are in transmission connection with the filtering devices 8, the bottom of the net changing box 3 is fixedly connected with four supporting legs, the supporting legs are used for supporting the net changing box 3, and the electric cabinet 2 is used for circuit control of the whole equipment;
the driving device 6 comprises a driving motor 61 and eighteen moving rods 66, the top surface of the driving motor 61 is fixedly connected with the inner top surface of the screen changing box 3, the output end of the electric cabinet 2 is electrically connected with the input end of the driving motor 61 through an electric wire, one end of an output shaft at the bottom of the driving motor 61 is fixedly connected with a transmission shaft 62, two driving wheels 63 are fixedly connected to the peripheral side surface of the transmission shaft 62, the bottom end of the transmission shaft 62 is rotatably connected with the inner bottom surface of the screen changing box 3 through a bearing, and the top ends and the bottom ends of the eighteen moving rods 66 are rotatably connected in pairs through connecting pieces 67; the peripheral side surfaces of the two driving wheels 63 are in transmission connection with eighteen moving rods 66, the peripheral side surfaces of the eighteen moving rods 66 are in transmission connection with two driven wheels 65, the axle centers of the two driven wheels 65 are fixedly connected with fixing shafts 64, two ends of each fixing shaft 64 are respectively in rotation connection with the inner top surface and the inner bottom surface of the net changing box 3 through bearings, and the peripheral side surfaces of the eighteen moving rods 66 are in sliding connection with sliding grooves 81 on the three filtering devices 8.
The conveying device 1 comprises four upright posts 11, a fixed seat 12 is fixedly connected between opposite side walls of the top ends of the two upright posts 11, two conveying motors 13 are fixedly connected to the side walls of the fixed seat 12, the output end of the electric cabinet 2 is electrically connected with the input ends of the two conveying motors 13 through electric wires, one end of an output shaft of each conveying motor 13 is fixedly connected with a screw rod 14, and the peripheral side surfaces of the two screw rods 14 are in threaded connection with a sliding table 15; one end of each of the two lead screws 14 is rotatably connected with the other fixed seat 12 through a bearing, the bottom surface of the sliding table 15 is fixedly connected with two first electric telescopic rods 16, the output end of the electric cabinet 2 is respectively and electrically connected with the input ends of the two first electric telescopic rods 16 through electric wires, the bottom ends of the two first electric telescopic rods 16 are respectively and fixedly connected with electric clamping jaws 17, and the output end of the electric cabinet 2 is electrically connected with the input ends of the electric clamping jaws 17 through electric wires; the conveying motor 13 drives the sliding table 15 to move back and forth, the first electric telescopic rod 16 drives the electric clamping jaw 17 to lift, and the electric clamping jaw 17 is used for clamping the filtering device 8.
Wherein, there is rose box 51 bottom 5 lateral walls of clean box through the pipeline intercommunication, and the inside slip of rose box 51 is provided with four layers of network structure, and there is water pump 52 filter box 51 lateral wall through the pipeline intercommunication, and electric cabinet 2 output passes through electric wire and water pump 52 input electric connection, and there is shower 53 water pump 52 delivery port through the pipe connection, and shower 53 is fixed in 5 inner walls of clean box, and the filtration pore has been seted up to shower 53 week side.
The lifting device 7 comprises a first lifting motor 71 and a second lifting motor 76, the output end of the electric cabinet 2 is electrically connected with the input ends of the first lifting motor 71 and the second lifting motor 76 respectively through electric wires, the first lifting motor 71 is fixed on the inner top surface of the net changing box 3, the second lifting motor 76 is fixed on the inner bottom surface of the net changing box 3, one end of the output shaft of the first lifting motor 71 is fixedly connected with a belt pulley 72, the peripheral side surface of the belt pulley 72 is in transmission connection with a rotating shaft 74 through a transmission belt 73, the output end of the second lifting motor 76 is fixedly connected with another rotating shaft 74, three cams 75 are fixedly connected with the peripheral side surfaces of the two rotating shafts 74, six cams 75 are vertically and symmetrically distributed in groups of three, and the opposite side walls of the six cams 75 are in transmission connection with three filtering devices 8 respectively; the front side and the rear side of the inner top surface of the net changing box 3 are fixedly connected with first supports 31, the inner surfaces of the two first supports 31 are rotatably connected with the peripheral side surface of the rotating shaft 74, the front side and the rear side of the inner bottom surface of the net changing box 3 are fixedly connected with second supports 32, and the inner surfaces of the two second supports 32 are rotatably connected with the peripheral side surface of the other rotating shaft 74.
Wherein, interfacing apparatus 4 includes two connecting pieces 41, two connecting piece 41 relative lateral walls all with trade 3 both sides fixed connection of net cage, two connecting piece 41 one side equal fixedly connected with butt joint pipe 42, butt joint pipe 42 internal surface sliding connection has a slip pipe 43, butt joint pipe 42 top surface fixedly connected with second electric putter 44, 2 output ends of electric cabinet pass through electric wire and second electric putter 44 input electric connection, slip pipe 43 top surface fixedly connected with fixed block 45, second electric putter 44 one end and 45 lateral wall fixed connection of fixed block, the edge fixedly connected with sealing strip 46 of butt joint pipe 42 one side is kept away from to slip pipe 43.
The interior of the filtering device 8 is of a hollow structure, two sliding grooves 81 are formed in the left side and the right side of the filtering device 8, the filtering device 8 is connected with the driving device 6 in a sliding mode through the sliding grooves 81 in the two sides, a filter screen 82 is fixedly connected to the front side wall and the rear side wall of the filtering device 8, filtering holes 83 are formed in the surface of the filter screen 82, and the shape of each filtering hole 83 is of a transverse long strip-shaped structure; the overlapping area of the filter holes 83 can be changed by the lifting of the filter device 8, so that the diameter of the filter holes can be changed, and the filter can be used for filtering impurities with different diameters.
A working method of a plastic blow molding automatic net changing structure comprises the following steps:
s1 replacement of the filter device 8: the electric cabinet 2 controls two conveying motors 13 on the conveying device 1 to start, the two conveying motors 13 output rotation to drive the screw rods 14 to rotate, the two screw rods 14 rotate the electric sliding table 15 to move back and forth, the electric cabinet 2 controls two first electric telescopic rods 16 at the bottom of the sliding table 15 to contract, the first electric telescopic rods 16 drive the electric clamping jaws 17 to lift, the electric cabinet 2 respectively controls the conveying motors 13 and the first electric telescopic rods 16 to enable the electric clamping jaws 17 to enter the cleaning box 5, the electric cabinet 2 controls the electric clamping jaws 17 to grab one filtering device 8 and convey the filtering device 8 to the position right above the butt joint device 4, the electric cabinet 2 controls a second electric push rod 44 in the butt joint device 4 to contract, the second electric push rod 44 drives the fixed block 45 to move, the fixed block 45 drives the sliding pipe 43 to move towards the inside of the butt joint pipe 42, and the sealing strip 46 is separated from the side wall of the filtering device 8 at the outermost side, the electric cabinet 2 controls the extension of the two first electric telescopic rods 16 to move the filtering device 8 grabbed by the electric clamping jaw 17 to one side of the outermost filtering device 8, the electric cabinet 2 controls the driving motor 61 in the two driving devices 6 to start, the output shaft of the driving motor 61 rotates to drive the transmission shaft 62 and the driving wheels 63 to rotate, the two driving wheels 63 drive the eighteen moving rods 66 to rotate, the moving direction of the moving rod 66 close to one side of the filtering device 8 is opposite to the extruding direction of the blow molding machine, the moving rod 66 drives the three filtering devices 8 to move, the electric cabinet 2 controls the electric clamping jaw 17 to loosen the filtering device 8, sliding grooves 81 on two sides of the new filtering device 8 are matched with the moving rod 66, the moving rod 66 drives the new filtering device 8 to enter the inside of the net changing box 3, meanwhile, the filtering device 8 on the other side is extruded, the electric cabinet 2 controls the conveying motor 13 and the first electric telescopic rods 16 to enable the electric clamping jaw 17 to reach the other side of the net changing box 3, the electric clamping jaw 17 grabs the extruded filtering device 8 and conveys the filtering device 8 to the inside of the cleaning box 5 to complete the replacement of the filtering device 8, and the electric cabinet 2 controls the second electric push rods 44 on the two butting devices 4 to extend so that the two sealing strips 46 are butted with the filtering device 8 again;
s2 cleaning the filter device 8 under replacement: the electric cabinet 2 controls the water pump 52 to start, the water pump 52 pumps water in the cleaning box 5 into the filter box 51, the water is pumped into the spray pipe 53 by the water pump 52 after being filtered in the filter box 51, and is sprayed out through spray holes on the peripheral side surface of the spray pipe 53 to spray the filtering device 8, so that the next replacement is convenient, and the filter box 51 can be opened to clean the filter screen in the filter box regularly;
s3 unclogging and adjusting the filtering device 8: the electric cabinet 2 controls a first lifting motor 71 and a second lifting motor 76 in the lifting device 7 to start, an output shaft of the first lifting motor 71 rotates to drive a belt pulley 72 to rotate, the belt pulley 72 drives a rotating shaft 74 to rotate through a transmission belt 73, an output shaft of the second lifting motor 76 rotates to drive another rotating shaft 74 to rotate, two rotating shafts 74 respectively drive three corresponding cams 75 to rotate, six cams 75 rotate to realize reciprocating lifting of three filtering devices 8, the moving direction of the middle filtering device 8 is opposite to the moving direction of the adjacent filtering device 8, and the overlapped area of filtering holes 83 on the filtering net 82 is changed by adjusting the lifting motion of the three filtering devices 8, so that the sizes of the filtering holes 83 on the filtering devices 8 are changed, and impurities with different sizes are filtered; if the filtering holes 83 on the three filtering devices 8 are blocked, the electric cabinet 2 controls the first lifting motor 71 and the second lifting motor 76 on the lifting device 7 to start, the output shafts of the first lifting motor 71 and the second lifting motor 76 rotate to drive the three filtering devices 8 to lift continuously, and through continuous lifting friction among the three filtering devices 8, impurities blocked on the filtering holes 83 are cut up, so that the stable work of the filtering devices 8 is guaranteed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (2)
1. The working method of the plastic blow molding automatic net changing structure is characterized in that the plastic blow molding automatic net changing structure comprises a conveying device (1) and a net changing box (3), an electric cabinet (2) is fixedly connected to the side wall of the conveying device (1), a cleaning box (5) is fixedly connected to the top of the net changing box (3), two butt joint devices (4) are fixedly connected to two sides of the net changing box (3), two driving devices (6) are arranged inside the net changing box (3), lifting devices (7) are fixedly connected to the inner bottom surface and the inner top surface of the net changing box (3), three filtering devices (8) are movably connected between the two driving devices (6), one opposite sides of the two lifting devices (7) are in transmission connection with the filtering devices (8), and four supporting legs are fixedly connected to the bottom of the net changing box (3);
the driving device (6) comprises a driving motor (61) and eighteen moving rods (66), the top surface of the driving motor (61) is fixedly connected with the inner top surface of the net changing box (3), the output end of the electric cabinet (2) is electrically connected with the input end of the driving motor (61) through an electric wire, one end of an output shaft at the bottom of the driving motor (61) is fixedly connected with a transmission shaft (62), the peripheral side surface of the transmission shaft (62) is fixedly connected with two driving wheels (63), the bottom end of the transmission shaft (62) is rotatably connected with the inner bottom surface of the net changing box (3) through a bearing, and the top ends and the bottom ends of the eighteen moving rods (66) are rotatably connected in pairs through connecting pieces (67);
the peripheral side surfaces of the two driving wheels (63) are in transmission connection with eighteen moving rods (66), the peripheral side surfaces of the eighteen moving rods (66) are in transmission connection with two driven wheels (65), the axle centers of the two driven wheels (65) are fixedly connected with fixed shafts (64), two ends of each fixed shaft (64) are respectively in rotation connection with the inner top surface and the inner bottom surface of the net changing box (3) through bearings, and the peripheral side surfaces of the eighteen moving rods (66) are in sliding connection with the three filtering devices (8);
the conveying device (1) comprises four upright posts (11), a fixed seat (12) is fixedly connected between opposite side walls of the top ends of the two upright posts (11), two conveying motors (13) are fixedly connected to the side walls of the fixed seat (12), the output end of the electric cabinet (2) is electrically connected with the input ends of the two conveying motors (13) through electric wires, one end of an output shaft of each conveying motor (13) is fixedly connected with a lead screw (14), and the peripheral side surfaces of the two lead screws (14) are in threaded connection with a sliding table (15);
one end of each of the two lead screws (14) is rotatably connected with the other fixed seat (12) through a bearing, the bottom surface of the sliding table (15) is fixedly connected with two first electric telescopic rods (16), the output end of the electric cabinet (2) is respectively and electrically connected with the input ends of the two first electric telescopic rods (16) through electric wires, the bottom ends of the two first electric telescopic rods (16) are respectively and fixedly connected with an electric clamping jaw (17), and the output end of the electric cabinet (2) is electrically connected with the input end of the electric clamping jaw (17) through an electric wire;
the bottom of the side wall of the cleaning box (5) is communicated with a filter box (51) through a pipeline, a four-layer net-shaped structure is arranged in the filter box (51) in a sliding mode, the side wall of the filter box (51) is communicated with a water pump (52) through a pipeline, the output end of the electric control box (2) is electrically connected with the input end of the water pump (52) through an electric wire, the water outlet of the water pump (52) is connected with a spray pipe (53) through a pipeline, the spray pipe (53) is fixed on the inner wall of the cleaning box (5), and filter holes are formed in the peripheral side face of the spray pipe (53);
the lifting device (7) comprises a first lifting motor (71) and a second lifting motor (76), the output end of the electric cabinet (2) is respectively electrically connected with the input ends of the first lifting motor (71) and the second lifting motor (76) through electric wires, the first lifting motor (71) is fixed on the inner top surface of the net cage (3), the second lifting motor (76) is fixed on the inner bottom surface of the net cage (3), one end of the output shaft of the first lifting motor (71) is fixedly connected with a belt pulley (72), the circumferential side surface of the belt pulley (72) is in transmission connection with a rotating shaft (74) through a transmission belt (73), the output end of the second lifting motor (76) is fixedly connected with another rotating shaft (74), two are fixedly connected with three cams (75) on the circumferential side surface of the rotating shaft (74), six cams (75) are symmetrically distributed up and down by taking the three cams as a group, the six opposite side walls of the cam (75) are respectively in transmission connection with three filtering devices (8);
the working method comprises the following steps:
s1 replacement of filter device (8): the electric cabinet (2) controls two conveying motors (13) on the conveying device (1) to start, the two conveying motors (13) output rotation to drive the screw rods (14) to rotate, the two screw rods (14) rotate the electric sliding table (15) to move back and forth, the electric cabinet (2) controls two first electric telescopic rods (16) at the bottom of the sliding table (15) to contract, the first electric telescopic rods (16) drive the electric clamping jaws (17) to lift, the electric cabinet (2) respectively controls the conveying motors (13) and the first electric telescopic rods (16) to enable the electric clamping jaws (17) to enter the cleaning box (5), the electric cabinet (2) controls the electric clamping jaws (17) to grab one filtering device (8) and convey the filtering device (8) to the position right above the butting device (4), the electric cabinet (2) controls a second electric push rod (44) in the butting device (4) to contract, and the second electric push rod (44) drives the fixing block (45) to move, the fixed block (45) drives the sliding pipe (43) to move towards the interior of the butt joint pipe (42), so that the sealing strip (46) is separated from the side wall of the outermost filtering device (8), the electric cabinet (2) controls the extension of the two first electric telescopic rods (16), the filtering device (8) grabbed by the electric clamping jaws (17) is moved to one side of the outermost filtering device (8), the electric cabinet (2) controls the driving motors (61) in the two driving devices (6) to be started, the output shafts of the driving motors (61) rotate to drive the transmission shafts (62) and the driving wheels (63) to rotate, the two driving wheels (63) drive eighteen moving rods (66) to rotate, the moving direction of the moving rod (66) close to one side of the filtering device (8) is opposite to the extrusion direction of the blow molding machine, the moving rod (66) drives the three filtering devices (8) to move, the electric clamping jaws (17) are controlled by the electric cabinet (2) to loosen the filtering device (8), the sliding grooves (81) on the two sides of the new filtering device (8) are matched with the moving rod (66), the moving rod (66) drives the new filtering device (8) to enter the inside of the net replacing box (3), meanwhile, the filtering device (8) on the other side is extruded out, the electric cabinet (2) controls the conveying motor (13) and the first electric telescopic rod (16) to enable the electric clamping jaw (17) to reach the other side of the net replacing box (3), the electric clamping jaw (17) grabs the extruded filtering device (8) and conveys the same to the inside of the cleaning box (5) to complete the replacement of the filtering device (8), and the electric cabinet (2) controls the second electric push rods (44) on the two butting devices (4) to extend to enable the two sealing strips (46) to be butted with the filtering device (8) again;
s2 cleaning the filter device (8) under replacement: the electric cabinet (2) controls the water pump (52) to start, the water pump (52) pumps water in the cleaning box (5) into the filter box (51), the water is pumped into the spray pipe (53) by the water pump (52) after being filtered in the filter box (51), and is sprayed out through spray holes on the peripheral side surface of the spray pipe (53) to spray the filter device (8), so that the next replacement is convenient, and the filter box (51) can be opened to clean the filter screen in the filter box at regular time;
s3 dredging and adjusting filter device (8): the electric cabinet (2) controls a first lifting motor (71) and a second lifting motor (76) in the lifting device (7) to start, an output shaft of the first lifting motor (71) rotates to drive a belt pulley (72) to rotate, the belt pulley (72) drives a rotating shaft (74) to rotate through a transmission belt (73), an output shaft of the second lifting motor (76) rotates to drive another rotating shaft (74) to rotate, the two rotating shafts (74) respectively drive three corresponding cams (75) to rotate, six cams (75) rotate to realize the reciprocating lifting of three filtering devices (8), the moving direction of the middle filtering device (8) is opposite to the moving direction of the adjacent filtering device (8), the overlapping area of filtering holes (83) on the filtering net (82) is changed by adjusting the lifting motion of the three filtering devices (8), so that the size of the filtering holes (83) on the filtering devices (8) is changed, to filter impurities of different sizes; if the filtering holes (83) on the three filtering devices (8) are blocked, the electric cabinet (2) controls the first lifting motor (71) and the second lifting motor (76) on the lifting device (7) to start, the output shafts of the first lifting motor (71) and the second lifting motor (76) rotate to drive the three filtering devices (8) to continuously lift, and through continuous lifting friction among the three filtering devices (8), the impurities blocked on the filtering holes (83) are cut up, so that the stable work of the filtering devices (8) is guaranteed.
2. A docking device applied to the working method of the plastic blow molding automatic net changing structure according to claim 1, it is characterized in that the butt joint device (4) comprises two connecting pieces (41), opposite side walls of the two connecting pieces (41) are fixedly connected with two sides of the net changing box (3), one sides of the two connecting pieces (41) are fixedly connected with butt joint pipes (42), the inner surface of the butt joint pipe (42) is connected with a sliding pipe (43) in a sliding way, the top surface of the butt joint pipe (42) is fixedly connected with a second electric push rod (44), the output end of the electric control box (2) is electrically connected with the input end of a second electric push rod (44) through an electric wire, the top surface of the sliding pipe (43) is fixedly connected with a fixed block (45), one end of the second electric push rod (44) is fixedly connected with the side wall of the fixed block (45), the edge of one side of the sliding pipe (43), which is far away from the butt joint pipe (42), is fixedly connected with a sealing strip (46).
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| CN202010309067.9A CN111497174B (en) | 2020-04-19 | 2020-04-19 | Working method of plastic blow molding automatic net changing structure and butt joint device thereof |
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| CN112245996B (en) * | 2020-12-17 | 2021-04-13 | 广州蒙太奇电器有限公司 | Waste water filters detection device |
| CN112959642B (en) * | 2021-02-09 | 2022-12-16 | 青岛华强电缆有限公司 | Plastic extruding machine capable of adjusting area of filter screen plate holes for cable production |
| CN112942152A (en) * | 2021-04-06 | 2021-06-11 | 厦门合诚工程技术有限公司 | Device for improving replacement efficiency of suspension bridge suspender |
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