A kind of injection machine reclaimer robot
Technical field
The invention belongs to field of mechanical technique, relate to a kind of injection machine reclaimer robot.
Background technology
Injection machine has another name called injection (mo(u)lding) machine or injector.It is to utilize mould for plastics to make the main former of the plastic products of different shape thermoplastic or thermosetting material.Injection machine can be divided into vertical, horizontal and upright combined type for sleeping in according to the arrangement mode of injection device and clamping apparatus.Injection machine is made up of injecting systems, matched moulds system, Hydraulic Power Transmission System, electric control system, lubricating system, heating and cooling system, safety monitoring system and reclaimer robot etc. usually.
Injection machine is the processing equipment of use amount maximum in the plastic processing industry, not only has a large amount of products directly to produce with injection machine, but also is the key equipment of forming injection stretch blow moulding.China has become first big country that world's molding machine platform spare is produced, promotes Chinese injection machine equipment manufacture industry reasons of development to be: the one, carry out joint and technological cooperation with internationally famous enterprise; The 2nd, the international Bian that Chinese Enterprise has adapted to component of machine gradually purchases mode, has grasped Bian and has purchased channel.Simultaneously, the production of China's injection machine also presents very strong regional characteristic, and the Ningbo in Zhejiang and the ground such as Dongguan in Guangdong have become the important injection machine production base of China and even the whole world.
Because the injection machine hand can significantly be boosted productivity and reduce production costs, and can stabilize and increase the quality of injecting products, avoids the loss that causes because of artificial operate miss.Therefore, the effect of injection machine hand in injection moulding is produced becomes more and more important.At present domestic manipulator of injection machine type is fairly simple, and mostly is used for pickup, and can not realize other function.
The moulding higher for some surface accuracies, that size is less, get material bothers very much, traditional manually getting when expecting scalded by the mould of high temperature easily, and the general employing of traditional manipulator is jaw, when getting material, because workpiece is less, clamping is forbidden to cause workpiece to drop easily, causes the injection machine fault.
A kind of injection machine manipulator is disclosed in patent (CN102350774A), the rotation motor that comprises connecting plate and be arranged on the connecting plate end, also comprise the finished product extracting plate that the semi-finished product that are arranged on the connecting plate one plate face grasp plate and are arranged on another plate face place of connecting plate, finished product grasps plate and links to each other with rotation motor by a finished product mechanical arm, semi-finished product grasp plate and are fixed on another plate face of connecting plate by installing plate, installing plate is provided with semi-finished product and grasps first cylinder that plate is connected, also be provided with second cylinder on the mechanical arm, the finished product mechanical arm grasps plate by second cylinder and finished product and links to each other, production efficiency and processing safety have been improved, but it is less for size, the moulding that required precision is higher, this device can accurately not grasp workpiece, and this manipulator adopts is air cylinder driven, and its precision is lower; For the higher moulding of surface of the work required precision, it is very high that the cleannes of mould upper impression require and since during injection moulding easily the edge at die cavity produce foreign material such as burr, the come out precision of workpiece of injection moulding in the next injection moulding stroke is impacted.
Summary of the invention
The objective of the invention is the problems referred to above of existing at existing technology, a kind of injection machine reclaimer robot is provided, technical problem to be solved by this invention is at manipulator a wiper mechanism to be set, and can after material is finished die cavity be cleaned getting.
Purpose of the present invention can realize by following technical proposal: a kind of injection machine reclaimer robot, injection machine comprises frame and die cavity, it is characterized in that, this manipulator comprises a support, has a gripper shoe on the described support, be arranged with two support columns on the described gripper shoe in parallel, be respectively arranged with belt pulley one and belt pulley two on the inner of described two support columns, be connected with an odontoid belt between described belt pulley one and the belt pulley two, be respectively arranged with the wiper mechanism of deciding material mechanism and can cleaning die cavity that the workpiece in the die cavity can be taken out on two sides of described odontoid belt, being provided with one between described support and the odontoid belt can drive described wiper mechanism and expect the elevating mechanism that mechanism moves up and down surely, be provided with one between described support and the frame and can drive the swing mechanism that support is swung in horizontal plane, describedly expect that surely mechanism comprises an arm for taking material that is fixed on odontoid belt left side, fixedly there is material taking claw described arm for taking material lower end, and described material taking claw and can be controlled it and open or closed single-chip microcomputer or PLC Programmable Logic Controller links to each other.
Operation principle of the present invention is: when injection moulding machine mould open, material is got by the material mechanism that decides that is fixed on odontoid belt one side, surely expect that mechanism moves fixing back the drive by odontoid belt of workpiece, because wiper mechanism is fixed on the opposite side of odontoid belt, when expecting surely to move in the mechanism, wiper mechanism moves down, when wiper mechanism is displaced downwardly to desired location, wiper mechanism is to cleaning in the die cavity, and after the cleaning fixing and die cavity of workpiece was all finished, elevating mechanism moved to workpiece on the frame, swing mechanism rotates move angle with workpiece, make workpiece be positioned at the Workpiece storage container directly over, expect that surely mechanism unclamps workpiece, workpiece is fallen in the storing containers.Owing to be provided with wiper mechanism, can when the die sinking each time of injection machine, all clean die cavity, thus the cleaning of assurance die cavity, workpiece accuracy and aesthetics when improving injection mo(u)lding; Wiper mechanism and expect that surely mechanism is positioned at the both sides of odontoid belt expects that surely mechanism and wiper mechanism can finish the action that enters die cavity and leave die cavity rapidly, and is agile, high efficiency.Control opening of material taking claw or closure by single-chip microcomputer or PLC Programmable Logic Controller, can realize automatic material taking and blanking.
In above-mentioned a kind of injection machine reclaimer robot, described wiper mechanism comprises the cleaning arm and the air pump that are fixedly installed on the odontoid belt right side, the upper end of described cleaning arm links to each other with described air pump, the lower end of described cleaning arm is provided with several nozzles, communicates by the jet channel that is opened in the cleaning arm between described nozzle and the air pump.After finishing an injection cycle, may there be some plastics burr, impurity etc. on the die in the die cavity and the punch, next time injection moulding is exerted an influence, particularly influence the outward appearance of workpiece; Air pump carries out jet to nozzle, the nozzle that extend in the die cavity can be cleaned the inwall (die and punch) of die cavity; Cleaning arm is fixed on the right side of odontoid belt, (said left side and right side refer to that the operator stands in the right side of frame here and arm for taking material is fixed on the left side of odontoid belt, orientation during over against this manipulator), when arm for taking material moves down, move on the cleaning arm, when cleaning arm moves workpiece on the fixing back, move up into die cavity under the cleaning arm die cavity is cleaned; Nozzle has four, and is evenly distributed on the lower end of cleaning arm, and nozzle is towards the direction vertical with cleaning arm.
In above-mentioned a kind of injection machine reclaimer robot, described odontoid belt also meshes with a belt pulley three, and described belt pulley three links to each other with the output shaft of a motor one; Belt pulley one is identical with the diameter of belt pulley two, and the diameter of described belt pulley three is greater than described belt pulley one and belt pulley two.Two pairs of odontoid belts of belt pulley one and belt pulley support and tensioning, belt pulley three carries out transmission by a pair of odontoid belt of motor, for belt pulley three can be meshed closely with odontoid belt, the diameter of belt pulley three is a bit larger tham the diameter of belt pulley one and belt pulley two, make the odontoid belt that is sandwiched in belt pulley three both sides have a clamping force to belt pulley three, can guarantee the engagement that belt pulley three and odontoid belt are stable.
In above-mentioned a kind of injection machine reclaimer robot, described elevating mechanism comprises a lifter plate, described motor one is fixedly installed on the lifter plate, described lifter plate is set with a nut, be set with motor two on the described support, be installed with a screw rod that cooperates with described nut on the output shaft of described motor two.Cooperation by screw rod and nut, rotatablely moving of motor is converted to moving up and down of lifter plate, after expecting that surely mechanism finishes the cleaning of fixing, the wiper mechanism of workpiece being finished to die cavity, elevating mechanism rises to certain altitude with entire bracket, thereby withdraws from the diaphragm area that closes of injection machine.
In above-mentioned a kind of injection machine reclaimer robot, also be set with a guide rod on the described support, offer a pilot hole on the described lifter plate, described guide rod is plugged in the described pilot hole.On guide rod and the support screw rod together, can make lifter plate not can with screw rod between relative swing takes place, thereby belt pulley three can be stable meshes with odontoid belt.
In above-mentioned a kind of injection machine reclaimer robot, described swing mechanism comprises a motor three that is fixed on the frame, the output shaft of described motor three is provided with gear one, be set with a swinging axle on the described support, described swinging axle is provided with the gear two that cooperates with gear one.The rotation of motor three can make the support of fixedlying connected with swinging axle swing along swinging axle, swing mechanism rotates to an angle entire bracket after the fixing and cleaning of finishing workpiece, make workpiece move to the side of frame directly over the support, make workpiece can fall in the Workpiece storage container smoothly; The housing of motor three is welded on the frame, and the upper end of swinging axle is provided with adpting flange, is connected by bolt between adpting flange and the support; Pass through bearing fixing between swinging axle and the frame.
In above-mentioned a kind of injection machine reclaimer robot, offer gathering sill on the described gripper shoe, described belt pulley three links to each other with the inner of an elevating lever, the outer end of the outer end of described elevating lever and two support columns is provided with roller, and described roller is connected in the described gathering sill and can rolls in described gathering sill.When lifter plate moved up and down, support column and elevating lever be same moved further thereupon also, the guiding when gathering sill is used for support column and elevating lever moved, and roller is fixed on the outer end of support column and elevating lever, reduces friction, makes elevating mechanism work more smooth and easy.
In above-mentioned a kind of injection machine reclaimer robot, also be provided with a connecting plate on the described gripper shoe, offer three locating holes on the described connecting plate, described two support columns and elevating lever are located in respectively in described three locating holes.Three locating holes on the connecting plate are fixed two support columns and elevating lever three's distance between axles, and odontoid belt is under the tensioning state all the time.
In above-mentioned a kind of injection machine reclaimer robot, all link to each other by flexible pipe between described arm for taking material and cleaning arm and the air pump, described air pump is provided with a controller.The upper end of arm for taking material and cleaning arm is equipped with the joint pin that is connected with flexible pipe, controller has following function: the control etc. that the shower nozzle place in the wiper mechanism is produced the opening and closing of high pressure draught and wiper mechanism by air pump, motor one, motor two, motor three and controller all link to each other with ECU on the injection machine, ECU is according to die sinking and close the duty of film time, injection machine, information such as unusual is comprehensive, motor one, motor two, motor three and controller can be accurately moved to each parts of this manipulator, thereby finish the cleaning of injection machine.
Compared with prior art, the present invention has the following advantages:
1, this injection machine special manipulator is provided with a wiper mechanism, after finishing an injection cycle, may have some plastics burr, impurity etc. on the die in the die cavity and the punch, and next time injection moulding is exerted an influence, and particularly influences the outward appearance of workpiece; Air pump carries out jet to nozzle, the nozzle that extend in the die cavity can be cleaned the inwall (die and punch) of die cavity.
2, the nozzle in the wiper mechanism has four, and is evenly distributed on the lower end of cleaning arm, can improve cleaning performance and cleaning efficiency like this.
Description of drawings
Fig. 1 is the assembly structure schematic diagram between this reclaimer robot and the injection machine.
Fig. 2 is the overall structure schematic diagram of this reclaimer robot.
Fig. 3 is this reclaimer robot arm for taking material and cleaning arm position view on odontoid belt when expecting surely.
Fig. 4 is this reclaimer robot arm for taking material and cleaning arm position view on odontoid belt when cleaning.
Fig. 5 is the half sectional view of cleaning arm in this reclaimer robot.
Fig. 6 is the annexation schematic diagram of air pump and cleaning arm in this reclaimer robot.
Fig. 7 is that this reclaimer robot position between odontoid belt and arm for taking material and the cleaning arm in lifting process concerns schematic diagram.
Fig. 8 is the installation diagram between this reclaimer robot medium-height trestle and the connecting plate.
Fig. 9 is the explosive view of Fig. 8.
Figure 10 is the sectional view on the A-A direction among Fig. 8.
Figure 11 is the structural representation of connecting plate in this reclaimer robot.
Among the figure, 1a, motor one; 1b, motor two; 1c, motor three; 11, frame; 12, die cavity; 2, air pump; 21, controller; 3, support; 31, guide rod; 32, pilot hole; 4, gripper shoe; 41, gathering sill; 42, roller; 43, connecting plate; 44, locating hole; 45, support column; 51, odontoid belt; 52, belt pulley one; 53, belt pulley two; 54, belt pulley three; 6, expect mechanism surely; 61, arm for taking material; 62, material taking claw; 7, wiper mechanism; 71, cleaning arm; 72, nozzle; 73, jet channel; 8, elevating mechanism; 81, lifter plate; 82, nut; 83, screw rod; 84, elevating lever; 9, swing mechanism; 91, gear one; 92, gear two; 93, swinging axle.
The specific embodiment
Below be specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As depicted in figs. 1 and 2, a kind of injection machine reclaimer robot, injection machine comprises frame 11 and die cavity 12, this manipulator comprises a support 3, has a gripper shoe 4 on the support 3, be arranged with two support columns 45 on the gripper shoe 4 in parallel, be respectively arranged with belt pulley 1 and belt pulley 2 53 on the inner of two support columns 45, be connected with an odontoid belt 51 between belt pulley 1 and the belt pulley 2 53, be respectively arranged with the wiper mechanism 7 of deciding material mechanism 6 and can cleaning die cavity 12 that the workpiece in the die cavity 12 can be taken out on two sides of odontoid belt 51, be provided with one between support 3 and the odontoid belt 51 and can drive wiper mechanism 7 and expect the elevating mechanism 8 that mechanism 6 moves up and down surely, be provided with one between support 3 and the frame 11 and can drive the swing mechanism 9 that support 3 is swung in horizontal plane.
As Fig. 2, Fig. 3 and shown in Figure 4, surely expect that mechanism 6 comprises an arm for taking material 61 that is fixed on odontoid belt 51 left sides, fixedly there is material taking claw 62 arm for taking material 61 lower ends, described material taking claw 62 and one can be controlled it and open or closed single-chip microcomputer or PLC Programmable Logic Controller links to each other, single-chip microcomputer or PLC Programmable Logic Controller can be fixed on the frame 11, and material taking claw 62 links to each other with single-chip microcomputer or PLC Programmable Logic Controller by circuit; In the present embodiment, single-chip microcomputer or PLC Programmable Logic Controller are the existing product that can buy on the market, control opening of material taking claw 62 or closure by single-chip microcomputer or PLC Programmable Logic Controller, can realize automatic material taking and blanking.
As Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, wiper mechanism 7 comprises the cleaning arm 71 and the air pump 2 that are fixedly installed on odontoid belt 51 right sides, the upper end of cleaning arm 71 links to each other with air pump 2, the lower end of cleaning arm 71 is provided with several nozzles 72, communicate by the jet channel 73 that is opened in the cleaning arm 71 between nozzle 72 and the air pump 2, after finishing an injection cycle, may there be some plastics burr, impurity etc. on die in the die cavity 12 and the punch, next time injection moulding is exerted an influence, particularly influence the outward appearance of workpiece; 2 pairs of nozzles of air pump 72 carry out jet, and the nozzle 72 that extend in the die cavity 12 can be cleaned the inwall (die and punch) of die cavity 12; Cleaning arm 71 is fixed on the right side of odontoid belt 51, (said left side and right side refer to that the operator stands in the right side of frame 11 here and arm for taking material 61 is fixed on the left side of odontoid belt 51, orientation during over against this manipulator), when arm for taking material 61 moves down, move on the cleaning arm 71, when cleaning arm 71 moved workpiece on the fixing back, cleaning arm moved up into 12 pairs of die cavities 12 of die cavity for 71 times and cleans; Nozzle 72 has four, and is evenly distributed on the lower end of cleaning arm 71, and nozzle 72 is towards the direction vertical with cleaning arm 71.
As Fig. 1 and shown in Figure 7, odontoid belt 51 also meshes with a belt pulley 3 54, and belt pulley 3 54 links to each other with the output shaft of motor one 1a; Belt pulley 1 is identical with the diameter of belt pulley 2 53, the diameter of belt pulley 3 54 is greater than belt pulley 1 and belt pulley 2 53,2 53 pairs of odontoid belts 51 of belt pulley 1 and belt pulley support and tensioning, belt pulley 3 54 carries out transmission by the odontoid belt 51 of motor one 1a, for belt pulley 3 54 can be meshed closely with odontoid belt 51, the diameter of belt pulley 3 54 is a bit larger tham the diameter of belt pulley 1 and belt pulley 2 53, make the 51 pairs of belt pulleys 3 54 of odontoid belt that are sandwiched in belt pulley 3 54 both sides have a clamping force, can guarantee the engagement that belt pulley 3 54 and odontoid belt 51 are stable.
As depicted in figs. 1 and 2, elevating mechanism 8 comprises a lifter plate 81, motor one 1a is fixedly installed on the lifter plate 81, lifter plate 81 is set with a nut 82, be set with motor two 1b on the support 3, be installed with a screw rod 83 that cooperates with nut 82 on the output shaft of motor two 1b, cooperation by screw rod 83 and nut 82, rotatablely moving of motor is converted to moving up and down of lifter plate 81, surely expecting that mechanism 6 finishes fixing workpiece, after wiper mechanism 7 is finished cleaning to die cavity 12, elevating mechanism 8 rises to certain altitude with entire bracket 3, thereby withdraw from the diaphragm area that closes of injection machine, also be set with a guide rod 31 on the support 3, offer a pilot hole 32 on the lifter plate 81, guide rod 31 is plugged in the pilot hole 32, and screw rod 83 together on guide rod 31 and the support 3, can make lifter plate 81 not can with screw rod 83 between relative swing takes place, thereby belt pulley 3 54 can be stable meshes with odontoid belt 51.
As depicted in figs. 1 and 2, swing mechanism 9 comprises motor three 1c that are fixed on the frame 11, the output shaft of motor three 1c is provided with gear 1, be set with a swinging axle 93 on the support 3, swinging axle 93 is provided with the gear 2 92 that cooperates with gear 1, the rotation of motor three 1c can make the support 3 of fixedlying connected with swinging axle 93 along swinging axle 93 swings, swing mechanism 9 rotates to an angle entire bracket 3 after the fixing and cleaning of finishing workpiece, make workpiece move to the side of frame 11 directly over the support 3, make workpiece can fall in the Workpiece storage container smoothly; The housing of motor three 1c is welded on the frame 11, and the upper end of swinging axle 93 is provided with adpting flange, is connected by bolt between adpting flange and the support 3; Pass through bearing fixing between swinging axle 93 and the frame 11.
As 1, Fig. 6, Fig. 8, Fig. 9 Figure 10 and shown in Figure 11, offer gathering sill 41 on the gripper shoe 4, belt pulley 3 54 links to each other with the inner of an elevating lever 84, the outer end of the outer end of elevating lever 84 and two support columns 45 is provided with roller 42, roller 42 is connected in the gathering sill 41 and can rolls in gathering sill 41, when lifter plate 81 moves up and down, support column 45 and elevating lever 84 be same moved further thereupon also, guiding when gathering sill 41 is used for support column 45 and elevating lever 84 moved, roller 42 is fixed on the outer end of support column 45 and elevating lever 84, reduce friction, make elevating mechanism 8 work more smooth and easy, also be provided with a connecting plate 43 on the gripper shoe 4, offer three locating holes 44 on the connecting plate 43, two support columns 45 and elevating lever 84 are located in respectively in three locating holes 44, three locating holes 44 on the connecting plate 43 are fixed two support columns 45 and elevating lever 84 threes' distance between axles, make odontoid belt 51 be under the tensioning state all the time, all link to each other by flexible pipe between arm for taking material 61 and cleaning arm 71 and the air pump 2, air pump 2 is provided with a controller 21, and the upper end of arm for taking material 61 and cleaning arm 71 is equipped with the joint pin that is connected with flexible pipe.
Controller 21 has following function: produce high pressure draught by the shower nozzle place in 2 pairs of wiper mechanisms 7 of air pump, the control of the opening and closing of wiper mechanism 7 etc., motor one 1a, motor two 1b, motor three 1c and controller 21 all link to each other with ECU on the injection machine, ECU is according to die sinking and close the duty of film time, injection machine, information such as unusual is comprehensive, motor one 1a, motor two 1b, motor three 1c and controller 21 can be accurately moved to each parts of this manipulator, thereby finish the cleaning of injection machine.The existing controller that controller 21 can abovely have been bought for market is such as PLC Programmable Logic Controller, singlechip controller etc.
Operation principle of the present invention is: when injection moulding machine mould open, material is got by the material mechanism 6 that decides that is fixed on odontoid belt 51 1 sides, surely expect that mechanism 6 moves fixing back the drive by odontoid belt 51 of workpiece, because wiper mechanism 7 is fixed on the opposite side of odontoid belt 51, when expecting surely to move in the mechanism 6, wiper mechanism 7 moves down, when wiper mechanism 7 is displaced downwardly to desired location, clean in 7 pairs of die cavities 12 of wiper mechanism, after the cleaning fixing and die cavity 12 of workpiece is all finished, elevating mechanism 8 moves to workpiece on the frame 11, swing mechanism 9 rotates move angle with workpiece, make workpiece be positioned at the Workpiece storage container directly over, expect that surely mechanism 6 unclamps workpiece, workpiece is fallen in the storing containers.Owing to be provided with wiper mechanism 7, can when the die sinking each time of injection machine, all clean die cavity 12, thus the cleaning of assurance die cavity 12, workpiece accuracy and aesthetics when improving injection mo(u)lding; Wiper mechanism 7 and expect that surely mechanism 6 is positioned at the both sides of odontoid belt 51 expects that surely mechanism 6 and wiper mechanism 7 can finish the action that enters die cavity 12 and leave die cavity 12 rapidly, and is agile, high efficiency.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.