Summary of the invention
The technical problem to be solved by the present invention is for overcome the deficiencies in the prior art, providing a kind of for producing Gao JunThe blowing device of evenness plastic barrel.
The technical solution adopted by the present invention to solve the technical problems is: a kind of for producing blowing for high evenness plastic barrelMolding apparatus, including pedestal, controller, top plate, compressor, gas blow pipe, inflatable body, two molds and two cylinders, two gasThe cylinder body of cylinder is separately fixed at the top at the both ends of pedestal, and the both ends of the top plate are respectively erected on the gas bar of two cylinders,The controller is fixed therein on the cylinder body of a cylinder, and PLC is equipped in the controller, and the compressor is fixed on air blowingThe top of pipe, the compressor are connected to gas blow pipe, and the top plate is set on gas blow pipe, and the inflatable body setting is being blownThe lower section of Guan Shang, the mold are equipped with mobile mechanism, and the top of pedestal, the compression are arranged in by mobile mechanism for the moldMachine and cylinder are electrically connected with PLC；
The inflatable body includes that rotary components, telescopic component, tuning component and two jet pipes, the rotary components are located atThe top of top plate, the rotary components and top plate transmission connection, the telescopic component and tuning component are respectively positioned on the lower section of top plate,The telescopic component and tuning component are located at the two sides of gas blow pipe, and the telescopic component and the transmission of one of jet pipe connectIt connects, the tuning component and another jet pipe are sequentially connected, and the side of the separate gas blow pipe of the jet pipe is equipped with several spray heads, instituteIt states and is equipped with connecting tube between jet pipe and gas blow pipe, the jet pipe is connected to by connecting tube with gas blow pipe.
Preferably, the mobile mechanism includes two moving assemblies, two moving assemblies point in order to drive mold mobileNot Wei Yu mold lower section both ends, the moving assembly includes first motor, sliding block and idler wheel, and the first motor is fixed onThe lower section of mold, the first motor are electrically connected with PLC, and two idler wheels are located at the two sides of first motor, first electricityMachine and idler wheel are sequentially connected, and the sliding block is fixed on the lower section of first motor, and the top of the pedestal is equipped with slideway, the sliding blockIt is slidably connected with slideway.
Preferably, the movement in order to realize jet pipe, the telescopic component includes the second motor and two telescopic units, instituteIt states the second motor to be electrically connected with PLC, two telescopic units are located above and below the second motor, the telescopic unit packetBearing, screw rod, drive block and strut are included, second motor and bearing are each attached on gas blow pipe, second motor and silkOne end of bar is sequentially connected, and the other end of the screw rod is arranged in bearing, and the drive block is resisted against on gas blow pipe, the driveMotion block is set on screw rod, and the drive block is hinged by strut and jet pipe, and the drive block is equipped with the junction of screw rodWith the matched screw thread of screw rod.
Preferably, the tuning component includes third motor, first connecting rod, the second company for the direction of adjustable jet tubeBar and side lever, the third motor and side lever are each attached on gas blow pipe, and the third motor is electrically connected with PLC, the thirdMotor and first connecting rod are sequentially connected, and the first connecting rod is hinged by second connecting rod and jet pipe, and the jet pipe and side lever are hinged.
Preferably, the rotary components include the 4th motor, first gear and the second tooth in order to drive gas blow pipe to rotateWheel, the 4th motor are fixed on the top of top plate, and the 4th motor is electrically connected with PLC, the 4th motor and the first toothWheel transmission connection, the first gear are engaged with second gear, and the second gear is set on gas blow pipe.
Preferably, being all provided with above and below the top plate to realize that the synchronization lifting of gas blow pipe and top plate is mobileThere is clamping plate, the Boards wall is on gas blow pipe.
The invention has the advantages that gas blow pipe is protruded into parison by the blowing device for being used to produce high evenness plastic barrelBehind inside, drive two jet pipes mobile respectively and rotation by tuning component and telescopic component, so that spray head is inside parisonSide and bottom, rotary components drive gas blow pipe rotation, input compressed air from compressor to gas blow pipe, compressed air is from sprayHead sprays stepless action in parison, convenient for forming the uniform plastic barrel of thickness distribution after parison cooling, improves plastic barrelThe quality of production.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only withIllustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, a kind of for producing the blowing device of high evenness plastic barrel, including pedestal 1, controller 2, top plate3, compressor 4, gas blow pipe 5, inflatable body, two molds 6 and two cylinders 7, the cylinder body of two cylinders 7 are separately fixed at pedestalThe top at 1 both ends, the both ends of the top plate 3 are respectively erected on the gas bar of two cylinders 7, and the controller 2 is fixed on itIn a cylinder 7 cylinder body on, PLC is equipped in the controller 2, the compressor 4 is fixed on the top of gas blow pipe 5, describedCompressor 4 is connected to gas blow pipe 5, and the top plate 3 is set on gas blow pipe 5, and the inflatable body is arranged on gas blow pipe 5, instituteThe lower section for stating mold 6 is equipped with mobile mechanism, and the top of pedestal 1, the compressor 4 are arranged in by mobile mechanism for the mold 6It is electrically connected with PLC with cylinder 7；
When producing plastic barrel using the blowing device, producers operate equipment movement by controller 2, pass through moving machineStructure driven mold 6 is mobile, after two molds 6 separate, after being put into the plastic parison of softening in two molds 6, and two molds 6Movement close to each other, shape forming cavity is then mobile by mobile mechanism's driven mold 6, makes mold 6 that parison be driven to be moved to air blowingBehind the lower section of pipe 5, PLC controls cylinder 7 and starts, and reduces the intracorporal air pressure of cylinder of cylinder 7, drives top plate 3 by the gas bar of cylinder 7It moves down, so that top plate 3 and gas blow pipe 5 move down, after the lower half portion of gas blow pipe 5 puts in parison inside, PLC control pressureContracting machine 4 starts, and conveys compressed air to inflatable body by gas blow pipe 5, inflatable body full of inside parison, makes compressed airAfter parison expands against on the inner wall of mold 6, parison formation can be made by cooling, plastic barrel is made.
As Figure 2-3, the inflatable body includes rotary components, telescopic component, tuning component and two jet pipes 8, instituteThe top that rotary components are located at top plate 3 is stated, the rotary components and top plate 3 are sequentially connected, the telescopic component and tuning componentBe respectively positioned on the lower section of top plate 3, the telescopic component and tuning component are located at the two sides of gas blow pipe 5, the telescopic component withOne of jet pipe 8 is sequentially connected, and the tuning component and another jet pipe 8 are sequentially connected, the separate gas blow pipe of the jet pipe 85 side is equipped with several spray heads 9, and connecting tube 10 is equipped between the jet pipe 8 and gas blow pipe 5, and the jet pipe 8 passes through connecting tube 10It is connected to gas blow pipe 5.
After gas blow pipe 5 extends downwardly into parison inside, compressor 4 starts, while PLC control rotary components starting, drivesGas blow pipe 5 starts simultaneously in parison inner rotation, the two sides of gas blow pipe 5, telescopic component and adjusting component, and telescopic component drives itIn jet pipe 8 it is mobile so that the spray head 9 on jet pipe 8 adjusts component and drives another jet pipe 8 downward close to the inner wall of parisonRotation, so that spray head 9, close to the bottom of parison, under the action of rotary components, spray head 9 is rotated along the axis of gas blow pipe 5, togetherWhen gas blow pipe 5 in compressed air by connecting tube 10 enter jet pipe 8 in, from spray head 9 spray so that spray head 9 spray airStepless action ensure that the thickness of plastic barrel is uniform, improve the quality of production of plastic barrel on the inner wall of parison.
As shown in Figure 1, the mobile mechanism includes two moving assemblies, two moving assemblies are located under mold 6The both ends of side, the moving assembly includes first motor 11, sliding block 12 and idler wheel 13, and the first motor 11 is fixed on mold 6Lower section, the first motor 11 is electrically connected with PLC, and two idler wheels 13 are located at the two sides of first motor 11, described firstMotor 11 and idler wheel 13 are sequentially connected, and the sliding block 12 is fixed on the lower section of first motor 11, and the top of the pedestal 1, which is equipped with, to be slidedRoad 27, the sliding block 12 are slidably connected with slideway 27.
PLC controls first motor 11 and starts, and drives the idler wheel 13 of two sides to be moved in the top of pedestal 1, passes through slideway27 secure the motion track of sliding block 12, to secure the moving direction of first motor 11, realize the steady movement of mold 6.
As shown in Fig. 2, the telescopic component includes the second motor 14 and two telescopic units, second motor 14 withPLC electrical connection, two telescopic units are located above and below the second motor 14, the telescopic unit include bearing 15,Screw rod 16, drive block 17 and strut 18, second motor 14 and bearing 15 are each attached on gas blow pipe 5, second motor14 are sequentially connected with one end of screw rod 16, and the other end of the screw rod 16 is arranged in bearing 15, and the drive block 17 is resisted againstOn gas blow pipe 5, the drive block 17 is set on screw rod 16, and the drive block 17 is hinged by strut 18 and jet pipe 8, the driveMotion block 17 be equipped with the junction of screw rod 16 and the matched screw thread of screw rod 16.
PLC controls the starting of the second motor 14, drives the screw rod 16 of two sides to rotate under the supporting role of bearing 15, screw rod 16Through threaded function on drive block 17, so that drive block 17 is moved along the axis of screw rod 16, and then pass through strut 18Drive jet pipe 8 mobile, so that inner wall of the spray head 9 on jet pipe 8 close to parison side, with selecting component that gas blow pipe 5 is driven to rotate,Spray head 9 uniformly blows to the inside of parison side, so that the thickness distribution of the side of parison is uniform.
Preferably, the tuning component includes third motor 19, first connecting rod 20, for the direction of adjustable jet tube 8Two connecting rods 21 and side lever 22, the third motor 19 and side lever 22 are each attached on gas blow pipe 5, the third motor 19 and PLCElectrical connection, the third motor 19 are sequentially connected with first connecting rod 20, and the first connecting rod 20 passes through second connecting rod 21 and jet pipe 8Hingedly, the jet pipe 8 and side lever 22 are hinged.PLC controls third motor 19 and starts, and drives first connecting rod 20 to rotate, passes through secondConnecting rod 21 rotates one end of the separate gas blow pipe 5 of jet pipe 8 and side lever 22, the spray when jet pipe 8 rotates down, on jet pipe 8First 9 downward, as rotary components drive gas blow pipe 5 to rotate, so that bottom of the air stepless action of the ejection of spray head 9 in parisonPortion guarantees that the bottom thickness of plastic barrel is evenly distributed.
As shown in figure 3, the rotary components include the 4th motor 23, first gear 24 and second gear 25, the described 4thMotor 23 is fixed on the top of top plate 3, and the 4th motor 23 is electrically connected with PLC, the 4th motor 23 and first gear 24Transmission connection, the first gear 24 are engaged with second gear 25, and the second gear 25 is set on gas blow pipe 5.
PLC controls the starting of the 4th motor 23, and first gear 24 is driven to rotate, and first gear 24 acts on second gear 25On, so that second gear 25 rotates, and then gas blow pipe 5 is driven to rotate.
Preferably, in order to realize that the synchronization lifting of gas blow pipe 5 and top plate 3 is mobile, above and below the top plate 3Equipped with clamping plate 26, the clamping plate 26 is fixed on gas blow pipe 5.It is opposite with top plate 3 that gas blow pipe 5 is limited using two clamping plates 26Position, when top plate 3 is moved up and down with the gas bar of cylinder 7, top plate 3 is acted on clamping plate 26, and gas blow pipe 5 is driven to carry out togetherWalk lifting moving.
The blowing device is placed in the intracavitary portion of type that two molds 6 are formed, cylinder when carrying out plastic barrel production, by parison7 drive lifter plates move down, so that being distinguished after gas blow pipe 5 extends downwardly into parison inside by telescopic component and tuning componentDrive two jet pipes 8 mobile and rotation, so that spray head 9, close to the side and bottom of parison, rotary components drive gas blow pipe 5 to rotateWhen, compressor 4 starts, and by the injecting compressed air into gas blow pipe 5, compressed air is flowed in jet pipe 8 by connecting tube 10,And sprayed from spray head 9, so that the air stepless action that spray head 9 sprays inside parison, is convenient for forming thickness point after parison is coolingThe uniform plastic barrel of cloth, improves the quality of production of plastic barrel.
Compared with prior art, which protrudes into gas blow pipe 5 in parisonBehind portion, drive two jet pipes 8 mobile respectively and rotation by tuning component and telescopic component, so that spray head 9 is inside parisonSide and bottom, rotary components drive gas blow pipe 5 rotate, from compressor 4 to gas blow pipe 5 input compressed air, compressed airStepless action is sprayed in parison from spray head 9, convenient for forming the uniform plastic barrel of thickness distribution after parison cooling, improves plasticsThe quality of production of bucket.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is completeVarious changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this inventionProperty range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.