CN202668926U - Electro-hydraulic hybrid type injection molding machine mold opening and clamping device - Google Patents
Electro-hydraulic hybrid type injection molding machine mold opening and clamping device Download PDFInfo
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- CN202668926U CN202668926U CN 201220150621 CN201220150621U CN202668926U CN 202668926 U CN202668926 U CN 202668926U CN 201220150621 CN201220150621 CN 201220150621 CN 201220150621 U CN201220150621 U CN 201220150621U CN 202668926 U CN202668926 U CN 202668926U
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Abstract
The utility model provides an electro-hydraulic hybrid type injection molding machine mold opening and clamping device which comprises a back template, a moving template, a servo motor, a high-pressure hydraulic oil generating device, a ball screw, and a mold-moving rod which is driven by the ball screw to move axially along a straight line. The mold-moving rod is located in the back template, the back end of the mold-moving rod is in linkage with the servo motor, and the front end of the mold-moving rod is connected with the moving template. The back template is provided with a high-pressure oil cylinder and a high-pressure piston rod, wherein a mold clamping high-pressure oil cavity and a mold opening high-pressure oil cavity are formed between the front side and the back side of the high-pressure piston rod and the high-pressure oil cylinder. A high-pressure hydraulic oil generating pipeline is respectively communicated with the mold clamping high-pressure oil cavity and the mold opening high-pressure oil cavity. The front side of the high-pressure piston rod is provided with band-type brake plates locking the mold-moving rod in reducing band-type brake mode and an expansion control device controlling the band-type brake plates to do radial displacement. The band-type brake plates are connected with the high-pressure piston rod in the locking state of the mold-moving rod. The electro-hydraulic hybrid type injection molding machine mold opening and clamping device is simple in structure, short in the period of motion, quick in mold opening and closing speed, and stable in operation; the mold clamping force is accurate and controllable; and the mold opening and clamping device is suitable for being used in mold clamping mechanisms of electro-hydraulic hybrid type injection molding machines.
Description
Technical field
The utility model relates to a kind of injection machine, more particularly, relates to electric liquid mixed injection molding machine quickly opening and closing die device.
Background technology
At present, the full electric injection molding machine folding mode structure of main flow remains 5 traditional mechanical reaming type structures on the market, this kind folding mode structure toggle is distributed in the both sides of template, to amplify by cranking arm to provide clamp force and folding mould point-to-point speed, the advantage of this structure is that point-to-point speed is fast, the clamp force amplification ratio is high, shortcoming is that parts are more, structure and toggle amplify the motion relative complex, kill easily between the crank connecting rod, if its structure is by driven by servomotor, in case electric component lost efficacy, the moment of torsion that servomotor provides will be amplified to by toggle the several times of setting value, and namely plastic injection molding machine clamp force is the several times of setting value, very easy mold damage, security performance is difficult to be protected.The mold clamping force skewness of five-point type machine twisting mode structure template is having born defective aspect the miniature precision injection moulding still more.So new folding mode structure is all being sought by each injection machine manufacturer aspect the miniature precision injection machine.
And the injection machine of direct press type is mainly take hydraulic injection molding machine as main, domestic such as domestic well-known injection machine manufacturers such as Hai Tian, male, the eastern China of shake, rich wounds, the Toshiba of Japan, boy, the A Boge of Germany are arranged abroad, the manufacturers such as the Mi Lake dragon of the U.S. have all released the injection machine of direct pressure structure, mold clamping force is 20～40000KN, and its advantage is that mold clamping force is precisely controlled.Electricity liquid mixed injection molding machine is namely provided by oil pressure except mold clamping force, other actions are provided by servomotor, except Japanese SPT, there is no other manufacturer production this type injection machines on the market at home and abroad at present, its advantage is that the high pressure mold clamping force during matched moulds is precisely controlled when having full electric injection molding machine injection precision.But how the mould-locking structure relative complex of SPT can realize that electric liquid mixed injection molding machine provides the accurate mold clamping force of oil pressure as a difficult problem when simplifying mould-matching structure, demand us urgently and solve.
The utility model content
The technical problems to be solved in the utility model provide a kind of simple in structure, period of motion short, folding mould speed is fast, operates steadily, mold clamping force is controlled electric liquid mixed injection molding machine mold closing mechanism accurately.
For solving above-mentioned last technical problem, a kind of electric liquid mixed injection molding machine folding mould device of the present utility model, comprise rear pattern plate and moving platen, servomotor, high-pressure and hydraulic fry dried food ingredients generating apparatus, the shifting formwork bar of ball screw and ball screw driving axial traveling priority, the shifting formwork bar is positioned in the rear pattern plate, rear end and servomotor interlock, front end connects moving platen, rear pattern plate is provided with high-voltage oil cylinder, high-pressure piston rod, form matched moulds high-voltage oil cavity and die sinking high-voltage oil cavity before and after the high-pressure piston rod between both sides and the high-voltage oil cylinder, high-pressure and hydraulic fry dried food ingredients generating apparatus pipeline is communicated with respectively matched moulds high-voltage oil cavity and die sinking high-voltage oil cavity, the front side of high-pressure piston rod is provided with the band-type brake plate of undergauge band-type brake locking shifting formwork bar and the telescopic control device that control band-type brake plate is done radial displacement, the band-type brake plate when locking shifting formwork bar state and high-pressure piston rod connect.
Above-mentioned electric liquid mixed injection molding machine folding mould device, telescopic control device comprise gas liquid generating means, band-type brake gas fluid cylinder and band-type brake piston rod, band-type brake piston rod and band-type brake gas form between the fluid cylinder band-type brake gas sap cavity and open a sluice gate gas sap cavity, the band-type brake plate is arranged on band-type brake piston rod external part, gas liquid generating means pipeline be communicated with respectively band-type brake gas sap cavity and open a sluice gate gas sap cavity.
Above-mentioned electric liquid mixed injection molding machine folding mould device, two band-type brake plate left and right horizontal are arranged in around the shifting formwork bar, the band-type brake plate is connected pressing plate to connect with the band-type brake piston rod, band-type brake piston rod and band-type brake gas form between the fluid cylinder band-type brake gas sap cavity and open a sluice gate gas sap cavity; The high-pressure piston rod front end face is provided with the described band-type brake plate of roller bearings.Above-mentioned gas the liquid generating means, described gas liquid produced by it, overlapping independently by two, Qi liquid generating means is connected on the two cover band-type brake panel assemblies by pipeline and three circulation passage, respectively with band-type brake gas sap cavity with open a sluice gate gas sap cavity be connected, when band-type brake gas sap cavity when being communicated with pressurization, two cover band brake apparatus close up simultaneously, and the shifting formwork bar is carried out the band-type brake action; When open a sluice gate gas sap cavity when being communicated with pressurization, two cover band brake apparatus are opened a sluice gate motion and shifting formwork bar and are separated simultaneously to the counter motion of shifting formwork bar.Above-mentioned gas (liquid) body generating means, described Qi liquid is communicated with band-type brake Qi sap cavity and is opened a sluice gate Qi sap cavity by a cover Qi liquid pipeline, and its connecting pipeline consists of circulation line (gas need not form closed circuit), wherein directional control valve control piper direction is set switches.
Above-mentioned electric liquid mixed injection molding machine folding mould device, described high-pressure and hydraulic fry dried food ingredients generating apparatus are two to overlap independently servo oil pump respectively pipeline connection matched moulds high-voltage oil cavity and die sinking oil pocket.The servo oil pump that two covers work alone is passed through its opposite working method of automatic controlling system, when the matched moulds high-voltage oil cavity pressurizes, and the then space pressure release of die sinking oil pocket.Realize making high-pressure piston rod and band-type brake plate make the technique effect of axial displacement with respect to shifting formwork bar and rear pattern plate when respectively matched moulds high-voltage oil cavity and die sinking oil pocket being strutted.High-pressure and hydraulic fry dried food ingredients generating apparatus is by cover servo oil pump pipeline connection matched moulds high-voltage oil cavity and a die sinking oil pocket, and its connecting pipeline consists of circulation line, wherein directional control valve control piper direction is set switches.
Above-mentioned electric liquid mixed injection molding machine folding mould device, described band-type brake plate is provided with the mutually right-angled trapezium tooth of buckle with the shifting formwork bar.Right-angled trapezium sawtooth tooth on described band-type brake plate and the shifting formwork bar is processed by match grinding, when the band-type brake plate close hold the shifting formwork bar tightly after, the trapezoidal tooth of band-type brake plate is in the middle of the trapezoidal tooth of shifting formwork bar, and the band-type brake plate can the shifting formwork bar axially on small distance move back and forth.The band-type brake screw die is thick thick less than shifting formwork bar upper tooth, and when band-type brake closed up, just in the middle of the trapezoidal tooth of shifting formwork bar, when playing high pressure, band-type brake plate upper trapezoid tooth front end face was adjacent to shifting formwork bar front end face to band-type brake plate upper trapezoid tooth.Band-type brake plate and high-pressure piston rod are integrally connected, the band-type brake plate can slide at the high-pressure piston rod front end face by the rolling bearing that supports it, when the high-voltage oil cavity oil-feed, hydraulic oil promotes high-pressure piston rod and band-type brake plate and shifting formwork bar and travels forward together, for moving platen and mould provide the high pressure mold clamping force.
Above-mentioned electric liquid mixed injection molding machine folding mould device, high-voltage oil cylinder comprises the pressing plate of forward end seal oil cylinder body, high-voltage oil cavity and die sinking high-voltage oil cavity are respectively annular groove, are formed on the location end face between pressing plate, high-pressure piston rod and the oil cylinder body.Form the passage that enters for hydraulic oil, realize to axial displacement with the gap that struts connecting end surface.The matched moulds high-voltage oil cavity that the gap of its connecting end surface consists of and die sinking oil pocket are realized the technique effect of high pressure sealing by the high pressure sealing ring of both sides.
Above-mentioned injection machine quickly opening and closing die device, described servomotor and ball screw belt transmission.The tooth of servomotor output shaft and the driving pulley of ball screw with axially parallel, when playing high pressure, ball screw can rotate forward or backwards with servomotor, does not affect its axial displacement.
A kind of injection machine comprises described electric liquid mixed injection molding machine folding mould device.
Adopt the injection machine quickly opening and closing die device of the present utility model of said structure, the shifting formwork bar is fixed on the moving platen, the shifting formwork bar is connected with ball screw, the driven by servomotor ball screw high speed rotating of locating on the rear pattern plate, drive simultaneously the shifting formwork bar and moving platen high speed axial reciprocating moves, band-type brake plate and band-type brake gas fluid cylinder be connected with high-pressure piston rod, the band-type brake plate is by supporting its rolling bearing relative sliding on the front end face of high-pressure piston rod, band-type brake gas form between fluid cylinder and band-type brake piston rod band-type brake gas sap cavity and open a sluice gate gas sap cavity, and by pipeline gentle the liquid generating means connect, when shifting formwork bar shifting formwork is that moving platen driven mold dynamic model is when being adjacent to stationary mould for mould on earth, band-type brake gas the sap cavity oil-feed, two blocks of band-type brake plates and shifting formwork bar are held tightly, the trapezoidal tooth of band-type brake plate just is in the middle of the trapezoidal tooth of shifting formwork bar, when playing the high pressure clamping pressure, the front flank of tooth of the trapezoidal tooth of band-type brake plate is adjacent to the flank of tooth behind the trapezoidal tooth of shifting formwork bar.Otherwise, when the high pressure clamping pressure disappears, the front flank of tooth of the trapezoidal tooth of band-type brake plate away from the trapezoidal tooth of shifting formwork bar after the flank of tooth, open a sluice gate the oil-feed of Qi sap cavity, band-type brake plate and shifting formwork bar are separately;
High-voltage oil cylinder is positioned on the rear pattern plate by pressing plate, gap before and after forming between high-voltage oil cylinder and high-pressure piston rod and pressing plate, namely wherein form the matched moulds high-voltage oil cavity of rear side and the die sinking oil pocket of front side, and by pipeline connection high-pressure and hydraulic fry dried food ingredients generating apparatus, when high-pressure and hydraulic fry dried food ingredients generating apparatus injected hydraulic oil to the matched moulds high-voltage oil cavity, high-pressure piston rod promotes the moving shifting formwork bar of band-type brake strip, moving platen to be decided plate to the moving plate of mould and mould together high pressure mold clamping force matched moulds is provided.Otherwise when high-pressure and hydraulic fry dried food ingredients generating apparatus split cavity oil pocket injection pressure when oil, to drive the band-type brake plate backward mobile for high-pressure piston rod under the hydraulic oil effect, makes the front flank of tooth of the trapezoidal tooth of band-type brake plate leave the flank of tooth behind the trapezoidal tooth of shifting formwork bar.Injection machine drives the ball screw high speed rotating with servomotor, drive shifting formwork bar and moving platen and move back and forth at a high speed, space rate reach 500mm more than the s, realize the folding mould action of injection machine.The advantages such as the ball screw transmission has the folding mould cycle short, and rectilinear motion is steady, and run location is controlled.The band-type brake plate was embraced the shifting formwork bar when matched moulds was finished simultaneously, then utilize the high pressure liquid force feed to realize the required axial high pressure mold clamping force of injection machine, so that mold clamping force is accurately controlled, break away from all-electric machine and provide clamp force by high-power servomotor moment of torsion, the impact of clamp force current collector element is shortcoming out of control easily, so that injection machine still can provide accurate high-voltage lock mould power in high speed folding mould.
For solving the problems of the technologies described above, a kind of electric liquid mixed injection molding machine rapid mould opening-closing control method comprises that driven by servomotor ball screw High Rotation Speed described above drives the shifting formwork bar and moving platen carries out the action of injection machine direct press type shifting formwork do straight reciprocating motion; Wherein during mould assembling action, when moving platen drive moving mold is adjacent to fixed mold, the Qi liquid effects of utilizing Qi liquid generating means to provide is closed up action at band-type brake plate realization band-type brake plate and holding tightly of shifting formwork bar, and the high pressure liquid force feed of utilizing high-pressure and hydraulic fry dried food ingredients generating apparatus to provide acts on the axial forward thrust that produces on the high-pressure piston rod and finishes mould assembling action; When wherein die sinking is moved, the high pressure liquid force feed of utilizing high-pressure and hydraulic fry dried food ingredients generating apparatus to provide acts on produce on the piston rod axial to back pressure so that the front flank of tooth of the trapezoidal tooth of band-type brake plate leaves the flank of tooth behind the trapezoidal tooth of shifting formwork bar, and the Qi liquid effects of utilizing Qi liquid generating means to provide realizes that at the band-type brake plate band-type brake plate moves away from the shifting formwork bar.The shifting formwork action places before the mould assembling action and die sinking starts after the action, be before the mould assembling action and die sinking starts after the action respectively and to drive shifting formwork bar and moving platen by driven by servomotor ball screw High Rotation Speed and carry out injection machine direct press type shifting formwork do straight reciprocating motion and move, mould opening force is also provided by the driven by servomotor ball screw.
Above-mentioned a kind of injection machine rapid mould opening-closing control method, the mould assembling action step comprises: 1) driven by servomotor ball screw high speed rotating at first, shifting formwork bar under the drive of ball screw, drive moving platen fast forwards a plate direction move; 2) when moving mold and fixed mold are pressed close to, gas the gas that provides of liquid generating means liquid effects on the band-type brake plate, two blocks of band-type brake plates and shifting formwork bar being held tightly are closed up 3) high-pressure and hydraulic fry dried food ingredients generating apparatus provides hydraulic oil to enter the matched moulds high-voltage oil cavity by oil inlet pipe, on the elevated pressure piston rod, promote the front flank of tooth of the trapezoidal tooth of band-type brake plate and be adjacent to the flank of tooth behind the trapezoidal tooth of shifting formwork bar, drive shifting formwork bar and moving platen and decide plate to the moving plate of mould and mould together the high pressure mold clamping force is provided, matched moulds is finished.
Above-mentioned a kind of electric liquid mixed injection molding machine rapid mould opening-closing control method, the die sinking action comprises: 1) hydraulic oil rushes down by oil pipe from the matched moulds high-voltage oil cavity; 2) high-pressure and hydraulic fry dried food ingredients generating apparatus provides hydraulic oil to enter the die sinking oil pocket by oil inlet pipe, and band-type brake plate and shifting formwork bar under the state of being adjacent to are separated; 3) gas the liquid generating means gas liquid enter open a sluice gate gas sap cavity, so that the band-type brake plate is away from shifting formwork bar 4) counter-rotating of driven by servomotor ball screw, provide moving platen required mould opening force, then drive shifting formwork bar and moving platen and move backward to assigned address, the die sinking process is finished.
Comprise servomotor, ball screw, shifting formwork bar, gas liquid generating means, band-type brake plate, high-pressure and hydraulic fry dried food ingredients generating apparatus, rear mold plate of injection molding machine, moving platen, solid plate, the moving plate of mould, mould are decided the main parts size such as plate.Under the driving of servomotor, the ball screw High Rotation Speed drives moving platen by the shifting formwork bar and does straight reciprocating motion, realizes injection machine vertical compression folding mould function.In the matched moulds process, when moving mold is adjacent to fixed mold, utilize first gas liquid free gas that device provides liquid effects band-type brake gas sap cavity, two blocks of band-type brake plates and shifting formwork bar are held tightly to be closed up, band-type brake plate upper trapezoid tooth is in the middle of the trapezoidal tooth of shifting formwork bar, then the high pressure liquid force feed of utilizing high-pressure and hydraulic fry dried food ingredients generating apparatus to provide acts on the high-pressure piston rod, promotes the related shifting formwork bar of band-type brake plate and moving platen and realizes the high press-fitting mould function of injection machine; During die sinking, first the high pressure liquid force feed of matched moulds oil pocket is rushed down, then apply hydraulic oil at the die sinking oil pocket, the flank of tooth separately after making the front flank of tooth of the trapezoidal tooth of band-type brake plate under the state of being adjacent to and the trapezoidal tooth of shifting formwork bar, then utilize gas the gas that provides of liquid generating means liquid effects open a sluice gate gas sap cavity, make the band-type brake plate away from the shifting formwork bar, afterwards servomotor counter-rotating, mould opening force is provided and drives it for moving platen by ball screw and shifting formwork bar and move in the other direction, realize the die sinking action.
The utility model is owing to adopt technique scheme, and injection machine is with driven by servomotor ball screw high speed rotating, the shifting formwork bar drive moving platen with 500mm space rate more than the s reciprocating, realize the folding mould action of injection machine.The ball screw transmission has the folding mould cycle short, rectilinear motion is steady, the advantages such as run location is controlled, utilize simultaneously the high pressure liquid force feed to realize the required axial high-voltage lock mould power of injection machine, so that clamp force is accurately controlled, broken away from all-electric machine and provide clamp force by high-power servomotor moment of torsion, the impact of clamp force current collector is shortcoming out of control easily, so that injection machine still can provide accurate high-voltage lock mould power in high speed folding mould.
The utility model is realized directly doing the shifting formwork motion with ball screw rotary actuation Injection Motor Template, band-type brake made the band-type brake plate embrace the shifting formwork bar after matched moulds was finished, the high pressure liquid force feed acts on band-type brake plate and the shifting formwork bar and plays high pressure, and the accurately characteristics such as controlled of short, mold clamping force of simple in structure, period of motion are arranged.Eliminate simultaneously the rigid motion of template and hydraulic oil in the high-speed motion process to the impact of complete machine, the folding mould is operated steadily, the moving platen stop position is more accurate.The utility model is specially adapted on the clamping of the electric liquid mixed injection molding of middle-size and small-size precision machine.
Description of drawings
The utility model is described in further detail below in conjunction with the embodiment in the accompanying drawing, but do not consist of any restriction of the present utility model.
Fig. 1 is cross-sectional view of the present utility model;
Fig. 2 is matched moulds state cross-sectional view of the present utility model;
Fig. 3 is the cross-sectional view of A-A among Fig. 1;
Fig. 4 is the cross-sectional view of B-B among Fig. 2;
Fig. 5 is the cross-sectional view of C-C among Fig. 2;
Fig. 6 is the local enlarged diagram of A among Fig. 1;
Fig. 7 is the local enlarged diagram of B among Fig. 1;
Fig. 8 is the local enlarged diagram of B among Fig. 4.
Among the figure: 1 is front template, 2 is fixed mold, 3 is moving mold, 4 is moving platen, 5 is the shifting formwork bar, 6 is pressing plate, 7 is high-voltage oil cylinder, 8 is rear pattern plate, 9 be gas the liquid generating means, 10 is high pressure piston, 11 is ball screw, 12 is the hydraulic oil generating means, 13 is servomotor, 14 is potted component, 15 is the matched moulds high-voltage oil cavity, 16 are the die sinking oil pocket, 17 is the band-type brake plate, 18 is the band-type brake piston rod, 19 be band-type brake gas fluid cylinder, 20 for open a sluice gate gas sap cavity, 21 be band-type brake gas sap cavity.
The specific embodiment
Consult shown in Fig. 1～8, a kind of electric liquid mixed injection molding machine folding mould device of the present utility model, comprise front template 1, fixed mold 2, moving mold 3, rear pattern plate 8 and moving platen 4, servomotor 13, high-pressure and hydraulic fry dried food ingredients generating apparatus 12, the shifting formwork bar 5 of ball screw 11 and ball screw 11 driving axial traveling priorities, shifting formwork bar 5 is positioned in the rear pattern plate 2, rear end and servomotor 13 interlocks, front end connects moving platen 4, rear pattern plate 8 is provided with high-voltage oil cylinder 7, high-pressure piston rod 10, form matched moulds high-voltage oil cavity 15 and die sinking high-voltage oil cavity 16 between high-pressure piston rod both sides, 10 front and back and the high-voltage oil cylinder 7, high-pressure and hydraulic fry dried food ingredients generating apparatus 12 pipelines are communicated with respectively matched moulds high-voltage oil cavity 15 and die sinking high-voltage oil cavity 16, the front side of high-pressure piston rod 10 is provided with the band-type brake plate 17 of undergauge band-type brake locking shifting formwork bar 5 and the telescopic control device G that control band-type brake plate 17 is done radial displacement, band-type brake plate 17 when locking shifting formwork bar 5 state and high-pressure piston rod 10 connect.
Telescopic control device G comprise gas liquid generating means 9, band-type brake gas fluid cylinder 19 and band-type brake piston rod 18, band-type brake piston rod 18 and band-type brake gas form between the fluid cylinder 19 band-type brake gas sap cavity 21 and open a sluice gate gas sap cavity 20, band-type brake plate 17 is arranged on band-type brake piston rod 18 external parts, gas liquid generating means 9 pipelines be communicated with respectively band-type brake gas sap cavity 21 and open a sluice gate gas sap cavity 20.
Two band-type brake plate 17 left and right horizontal are arranged in around the shifting formwork bar 5, and band-type brake plate 17 is connected with the band-type brake piston rod and is connected with pressing plate, band-type brake piston rod 18 and band-type brake gas form between the fluid cylinder 19 band-type brake gas sap cavity 21 and open a sluice gate gas sap cavity 20; High-pressure piston rod 10 front end faces are provided with the described band-type brake plate 17 of roller bearings.Band-type brake plate 17 is fixedly connected with band-type brake piston rod 18 by pressing plate, on the high-pressure piston rod 10 rolling bearing is housed, and roller bearings band-type brake plate 17 slides at the front end face of high-pressure piston rod 10.
High-pressure and hydraulic fry dried food ingredients generating apparatus 12 is two to overlap independently servo oil pump respectively pipeline connection matched moulds high-voltage oil cavity 15 and die sinking oil pocket 16.
Band-type brake plate 17 is provided with mutually right-angled trapezium tooth 17a, the 5a of buckle with shifting formwork bar 5.
High-voltage oil cylinder 7 comprises the pressing plate 6 of forward end seal oil cylinder body, and high-voltage oil cavity 21 and die sinking high-voltage oil cavity 20 are respectively annular groove, is formed on the location end face between pressing plate 6, high-pressure piston rod 10 and the oil cylinder body.
High-pressure and hydraulic fry dried food ingredients generating apparatus 12 is by cover servo oil pump pipeline connection matched moulds high-voltage oil cavity 15 and a die sinking high-voltage oil cavity 16, and its connecting pipeline consists of circulation line, wherein directional control valve oil circuit control direction is set switches.
Qi liquid generating means 9 is communicated with band-type brake Qi sap cavities 21 and opens a sluice gate gas (liquid) chamber 20, and its connecting pipeline consists of circulation line, wherein directional control valve control Qi flow direction is set switches.
Servomotor 13 and ball screw 11 are used belt transmission.
Shifting formwork bar 5 is provided with the right-angled trapezium tooth, right-angled trapezium tooth match grinding on this right-angled trapezium sawtooth tooth and the band-type brake plate 17 forms, when band-type brake plate 17 close hold shifting formwork bar 5 tightly after, band-type brake plate 17 trapezoidal teeth are in the middle of the shifting formwork bar 5 trapezoidal teeth, and band-type brake plate 17 can shifting formwork bar 5 axially on small distance move back and forth.
The utility model is when concrete the application, a kind of injection machine, comprise front template 1, fixed mold 2, moving mold 3, moving platen 4, shifting formwork bar 5, pressing plate 6, high-voltage oil cylinder 7, rear pattern plate 8, high-pressure piston rod 10, ball screw 11, servomotor 13, matched moulds high-voltage oil cavity 15, die sinking high-voltage oil cavity 16, band-type brake plate 17, band-type brake piston rod 18, band-type brake oil cylinder 19, gas liquid generating means 10, high-pressure and hydraulic fry dried food ingredients generating apparatus 12, fixed mold 2 is installed on the front template 1, moving mold 3 is installed on the moving platen 4, servomotor 13 is fixed at rear pattern plate 2 bottoms and parallels with screw rod 11 axles, shifting formwork bar 5 is connected connection with ball screw, driving shifting formwork bar 5 during ball screw 11 high speed rotating is axially reciprocatingly moving fast, band-type brake plate 17 is connected with the band-type brake piston rod and is connected with pressing plate, and rely on roller bearings to be attached on the front end face of high-pressure piston rod 10, high-pressure piston rod 10 is connected with high-voltage oil cylinder by pressing plate 6 connections, high-pressure piston rod can move axially along high-voltage oil cylinder 7, pass through belt transmission between the rearward end of servomotor 13 output shafts and screw rod 11, gas liquid generating means 9 can be fixed on the rear pattern plate 8 or below it, below rear pattern plate 8, be provided with hydraulic oil generating means 12.
A kind of injection machine rapid mould opening-closing control method of the present utility model is included in described servomotor 13 drive screws 11 High Rotation Speeds drive shifting formwork bar 5 and moving platen 4 and carries out the action of injection machine direct press type shifting formwork do straight reciprocating motion;
Wherein during mould assembling action, when moving platen 4 driven molds 3 moving plates are adjacent to fixed mold 2, utilize gas the gas that provides of liquid generating means 9 liquid realize that two blocks of band-type brake plates 17 close a floodgate and embrace shifting formwork bar 5, then the high pressure liquid force feed that provides of high-pressure and hydraulic fry dried food ingredients generating apparatus 12 acts on the high-pressure piston rod 10, produces axial forward thrust and finishes the high pressure mould assembling action;
When wherein die sinking is moved, the flank of tooth separately after the hydraulic oil that utilizes first high-pressure and hydraulic fry dried food ingredients generating apparatus 12 to provide acted on the high-pressure piston rod 10 produce axial make the front flank of tooth of trapezoidal tooth of band-type brake plate 17 and trapezoidal tooth from shifting formwork bar 5 to back pressure, gas the gas that provides of liquid generating means 9 liquid effects realize that at band-type brake plate 17 two blocks of band-type brake plates 17 are away from shifting formwork bar 5, provide mould opening force and rapid mould-moving by driven by servomotor ball screw 11, start the die sinking action.
The mould assembling action step comprises: 1) servomotor 13 drive screws 11 high speed rotating at first, shifting formwork bar 5 under the effect of ball screw 11, drive moving platen 4 fast forwards plate direction move; 2) when moving mold 3 and fixed mold 2 are pressed close to, gas liquid generating means 9 produce gas liquid enter band-type brake gas sap cavity 21, two blocks of band-type brake plates 17 are closed up embrace shifting formwork bar 5; 3) high-pressure and hydraulic fry dried food ingredients generating apparatus 12 provides hydraulic oil to enter matched moulds high-voltage oil cavity 15 by oil inlet pipe, act on the high-pressure piston rod 10, promote band-type brake plate 17 drive shifting formwork bars 5 and moving platen 4 and provide the high pressure mold clamping force to moving mold 3 and fixed mold 2 together, matched moulds is finished.
The die sinking action comprises: 1) hydraulic oil rushes down by oil pipe from matched moulds high-voltage oil cavity 15; 2) high-pressure and hydraulic fry dried food ingredients generating apparatus 12 provides hydraulic oil to enter die sinking oil pocket 16 by oil inlet pipe, and high-pressure piston rod 10 is backward mobile, make the trapezoidal tooth of front the flank of tooth of trapezoidal tooth of band-type brake plate 17 and shifting formwork bar 5 after the flank of tooth separate; 3) gas the gas that provides of liquid generating means 9 liquid enter and open a sluice gate oil pocket 20, make band-type brake plate 17 away from shifting formwork bar 5; 4) servomotor 13 drives screw rod 11 counter-rotatings, and for moving platen 4 provides mould opening force, then shifting formwork bar 5 drives moving platen 4 and moves backward to assigned address, and the die sinking process is finished.
In sum, the utility model is such as specification and diagramatic content, makes actual sample and through repeatedly use test, from the effect of use test, provable the utility model can reach the purpose that it is expected, practical value is unquestionable.Above illustrated embodiment only is used for conveniently illustrating the utility model, be not that the utility model is done any pro forma restriction, have in the technical field under any and usually know the knowledgeable, if in the scope that does not break away from technical characterictic that the utility model is carried, utilize technology contents that the utility model discloses to do the local equivalent embodiment that changes or modify, and do not break away from technical characterictic content of the present utility model, all still belong in the scope of the utility model technical characterictic.
Claims (7)
1. electric liquid mixed injection molding machine folding mould device, comprise rear pattern plate (8) and moving platen (4), servomotor (13), high-pressure and hydraulic fry dried food ingredients generating apparatus (12), the shifting formwork bar (5) of ball screw (11) and ball screw (11) driving axial traveling priority, shifting formwork bar (5) is positioned in the rear pattern plate (2), rear end and servomotor (13) interlock, front end connects moving platen (4), it is characterized in that: rear pattern plate (8) is provided with high-voltage oil cylinder (7), high-pressure piston rod (10), form matched moulds high-voltage oil cavity (15) and die sinking high-voltage oil cavity (16) before and after the high-pressure piston rod (10) between both sides and the high-voltage oil cylinder (7), high-pressure and hydraulic fry dried food ingredients generating apparatus (12) pipeline is communicated with respectively matched moulds high-voltage oil cavity (15) and die sinking high-voltage oil cavity (16), the front side of high-pressure piston rod (10) is provided with the band-type brake plate (17) of undergauge band-type brake locking shifting formwork bar (5) and the telescopic control device (G) that control band-type brake plate (17) is done radial displacement, band-type brake plate (17) when locking shifting formwork bar (5) state and high-pressure piston rod (10) connect.
2. electric liquid mixed injection molding machine folding mould device according to claim 1, it is characterized in that: telescopic control device (G) comprise gas liquid generating means (9), band-type brake gas fluid cylinder (19) and band-type brake piston rod (18), band-type brake piston rod (18) and band-type brake gas form between the fluid cylinder (19) band-type brake gas sap cavity (21) and open a sluice gate gas sap cavity (20), band-type brake plate (17) is arranged on band-type brake piston rod (18) external part, gas liquid generating means (9) pipeline be communicated with respectively band-type brake gas sap cavity (21) and open a sluice gate gas sap cavity (20).
3. electric liquid mixed injection molding machine folding mould device according to claim 1 and 2, it is characterized in that: two blocks of band-type brake plates (17) left and right horizontal is arranged in shifting formwork bar (5) on every side, band-type brake plate (17) is connected 18 with the band-type brake piston rod) connect with pressing plate, band-type brake piston rod (18) and band-type brake gas between the fluid cylinder (19) formation band-type brake gas sap cavity (21) and open a sluice gate gas sap cavity (20); High-pressure piston rod (10) front end face is provided with the described band-type brake plate of roller bearings (17).
4. electric liquid mixed injection molding machine folding mould device according to claim 1 is characterized in that: described high-pressure and hydraulic fry dried food ingredients generating apparatus (12) is two to overlap independently servo oil pump respectively pipeline connection matched moulds high-voltage oil cavity (15) and die sinking oil pocket (16).
5. electric liquid mixed injection molding machine folding mould device according to claim 1, it is characterized in that: described band-type brake plate (17) is provided with the mutually right-angled trapezium tooth of buckle (17a, 5a) with shifting formwork bar (5).
6. electric liquid mixed injection molding machine folding mould device according to claim 1, it is characterized in that: high-voltage oil cylinder (7) comprises the pressing plate (6) of forward end seal oil cylinder body, high-voltage oil cavity (21) and die sinking high-voltage oil cavity (20) are respectively annular groove, are formed on the location end face between pressing plate (6), high-pressure piston rod (10) and the oil cylinder body.
7. an injection machine is characterized in that: comprise such as the arbitrary described electric liquid mixed injection molding machine folding mould device of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220150621 CN202668926U (en) | 2012-04-10 | 2012-04-10 | Electro-hydraulic hybrid type injection molding machine mold opening and clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220150621 CN202668926U (en) | 2012-04-10 | 2012-04-10 | Electro-hydraulic hybrid type injection molding machine mold opening and clamping device |
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| Publication Number | Publication Date |
|---|---|
| CN202668926U true CN202668926U (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220150621 Withdrawn - After Issue CN202668926U (en) | 2012-04-10 | 2012-04-10 | Electro-hydraulic hybrid type injection molding machine mold opening and clamping device |
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| Country | Link |
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| CN (1) | CN202668926U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632596A (en) * | 2012-04-10 | 2012-08-15 | 东华机械有限公司 | Mold opening/closing device for electric-liquid hybrid injection molding machine and control method |
| CN116175911A (en) * | 2023-04-24 | 2023-05-30 | 成都鸿能精密机械有限公司 | High-pressure die locking device of direct press |
-
2012
- 2012-04-10 CN CN 201220150621 patent/CN202668926U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632596A (en) * | 2012-04-10 | 2012-08-15 | 东华机械有限公司 | Mold opening/closing device for electric-liquid hybrid injection molding machine and control method |
| CN102632596B (en) * | 2012-04-10 | 2014-10-15 | 东华机械有限公司 | Mold opening/closing device for electric-liquid hybrid injection molding machine and control method |
| CN116175911A (en) * | 2023-04-24 | 2023-05-30 | 成都鸿能精密机械有限公司 | High-pressure die locking device of direct press |
| CN116175911B (en) * | 2023-04-24 | 2023-08-25 | 成都鸿能精密机械有限公司 | High-pressure die locking device of direct press |
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Granted publication date: 20130116 Effective date of abandoning: 20141015 |
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| RGAV | Abandon patent right to avoid regrant |