CN109070203A - Electric press casting machine - Google Patents
Electric press casting machine Download PDFInfo
- Publication number
- CN109070203A CN109070203A CN201780021553.7A CN201780021553A CN109070203A CN 109070203 A CN109070203 A CN 109070203A CN 201780021553 A CN201780021553 A CN 201780021553A CN 109070203 A CN109070203 A CN 109070203A
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- China
- Prior art keywords
- thread spindle
- way clutch
- injection molding
- electric
- belt wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/32—Controlling equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
It include: thread spindle (6)；By the nut piece (7) of thread spindle (6) driving forward-reverse；The injection molding plunger (8a) to link with the forward-reverse of nut piece (7)；It drives the injection molding of thread spindle (6) rotation to use, be pressurized and use electric servomotor (2a, 2b, 3)；Injection molding is transferred to the first pulley (16) of thread spindle (6) with the driving force of electric servomotor (2a, 2b)；Pressurization is transferred to the second belt wheel (14) of thread spindle (6) with the driving force of electric servomotor (3)；And it is configured at the one-way clutch (11) between the second belt wheel (14) and thread spindle (6).One-way clutch (11) are installed in the one end of thread spindle (6), the second belt wheel (14) and first pulley (16) are installed in order on the inside of it.In addition, being provided with rotary damper (12) between one-way clutch (11) and the second belt wheel (14).
Description
Technical field
It is intracavitary more particularly to being molded molten metal, filling type to mold the present invention relates to electric press casting machine, and
The molten metal intracavitary to the type of injection molding, filling to mold applies the structure of the electric injection machine device of pressurized energy.
Background technique
A kind of scheme is proposed before present applicant, as electric press casting machine, includes: in electric injection machine device
Thread spindle, the thread spindle are maintained as to rotate；Nut piece, the nut piece are screwed togather with thread spindle, as the rotation of thread spindle is driven
It is dynamic and by driving forward-reverse；The forward-reverse of injection molding plunger, the injection molding plunger and nut piece is in linkage by driving forward-reverse；
Guiding bar, the guiding bar is along forward-reverse direction guiding nut part and injection molding plunger；Injection molding electric servomotor and pressurization are used
Electric servomotor, the injection molding electric servomotor and pressurization are rotated with electronic servo motor driven thread spindle；And it is unidirectional
Clutch, the one-way clutch are configured between thread spindle and pressurization electric servomotor (referring for example to saying for patent document 1
Bright book extract.).
The electric press casting machine of the structure is configured with one-way clutch between thread spindle and pressurization electric servomotor, because
This, can be promptly from high speed injection motding process to pressurization process switching, so as to cast out the high-quality of no burr, shrinkage cavity etc.
Manufacture.
Existing technical literature
Patent document
Patent document 1: Japanese Patent Laid-Open 2014-079763 bulletin
Summary of the invention
The technical problems to be solved by the invention
However, electric press casting machine documented by patent document 1 includes one-way clutch, it can be promptly from high speed injection motding process
To pressurization process switching, but from high speed injection motding process to pressurization process switch when, have biggish impact force action in unidirectionally from
Clutch, therefore, one-way clutch are easy to happen failure.
In addition, in electric press casting machine documented by patent document 1, than one-way clutch on the length direction of thread spindle
The more outward position in setting position, configured with the first band that the rotary force of injection molding electric servomotor is transferred to thread spindle
Wheel, thus, it is supposed that needing when one-way clutch breaks down by injection molding electric servomotor, synchronous belt and first
Belt wheel is removed, and needs to spend many labours to repair, replace one-way clutch.In addition to this, electricity documented by patent document 1
It is positional relationship as described above to configure one-way clutch and first pulley in dynamic pressure casting machine, therefore, can makes to be set to screw thread
The distance of the lubricating arrangement of the end of axis to one-way clutch becomes larger, to be easy to make one-way clutch lack of lubrication.
In addition, in electric press casting machine, it is different according to the type of die-cast product, it can preferentially obtain high high speed injection motding speed
Degree, or high boost pressure is preferentially obtained, accordingly, there exist need replacing injection molding electric servomotor and pressurization to be watched with electronic
The case where taking motor.In addition, in electric press casting machine documented by patent document 1, on the length direction of thread spindle than unidirectionally from
The more outward position in the setting position of clutch, configured with the rotary force of injection molding electric servomotor is transferred to thread spindle
First pulley, therefore, there is also the replacement operations of each motor to spend many labour's such problems.
The present invention is to solve above-mentioned problem of the prior art and make, and its purpose is to provide a kind of electric press casting machines, can press down
The failure of one-way clutch processed and repairing and replacement, electrical servo horse when failure has occurred in one-way clutch can be easy to carry out
The replacement reached.
Technical scheme applied to solve the technical problem
In order to solve the above technical problems, electric press casting machine of the invention includes: thread spindle, above-mentioned thread spindle is maintained as energy
Rotation；Nut piece, above-mentioned nut piece are screwed togather with above-mentioned thread spindle, after being advanced with the rotation driving of above-mentioned thread spindle by driving
It moves back；The forward-reverse of injection molding plunger, above-mentioned injection molding plunger and above-mentioned nut piece is in linkage by driving forward-reverse；It is molded with electronic
Servo motor and pressurization electric servomotor, above-mentioned injection molding electric servomotor and pressurization are in electronic servo motor driven
State thread spindle rotation；First pulley, above-mentioned first pulley are installed on above-mentioned thread spindle, have been wrapping with above-mentioned injection molding electrical servo
The driving force of motor is transferred to the synchronous belt of above-mentioned thread spindle；Second belt wheel, above-mentioned second belt wheel are installed on above-mentioned thread spindle,
It is wrapping with the synchronous belt that the driving force of above-mentioned pressurization electric servomotor is transferred to above-mentioned thread spindle；And one-way clutch
Device, above-mentioned one-way clutch are configured on from above-mentioned second belt wheel to above-mentioned thread spindle, power transmission path, and feature exists
In above-mentioned one-way clutch being equipped in the one end of above-mentioned thread spindle, in above-mentioned thread spindle than one-way clutch installation position
Position more in the inner part is set, above-mentioned second belt wheel and above-mentioned first pulley are installed in order, and in above-mentioned one-way clutch
Outer ring and above-mentioned second belt wheel between be provided with rotary damper.
According to this structure, one-way clutch is installed in the one end of thread spindle, is pacified in the ratio one-way clutch of thread spindle
The position of holding position more in the inner part, is equipped with the second belt wheel and first pulley in order, therefore, repair and replace unidirectionally from
It when clutch, does not need to remove injection molding electric servomotor, synchronous belt and first pulley from thread spindle, is easy to carry out
The repairing and replacement of one-way clutch.In addition, not removing injection molding electric servomotor, synchronous belt and first pulley, just
One-way clutch, the second belt wheel and pressurization can be removed with electric servomotor, it therefore, can be easily by pressurization electrical servo
Motor is changed to injection molding electric servomotor.
In addition, according to the present invention, it is provided with rotary damper between the outer ring and above-mentioned second belt wheel of one-way clutch,
Therefore, energy abirritation can be reduced the failure of one-way clutch in the impact force of one-way clutch.Further, since work can be mitigated
For the impact force of one-way clutch, so as to prevent the end thereof contacts of one-way clutch, from this point on from the point of view of, also can be reduced list
To the failure of clutch.Further, since not needing failure in order to prevent for one-way clutch enlargement, therefore, not will increase
The inertia of pressurization electric servomotor is acted on, the transfer from high-pressure injection moulding process to pressurization process can be swimmingly carried out.
In addition, in the electric press casting machine of above structure of the invention, which is characterized in that as above-mentioned rotary damper,
The impact force and vibration that act between above-mentioned thread spindle and above-mentioned second belt wheel are absorbed including the use of the elasticity of spring
Spring rotary damper.
Various spring rotary dampers are on sale on the market, therefore, can easily use to implement electricity of the invention
Dynamic pressure casting machine.
In addition, in the electric press casting machine of above structure of the invention, which is characterized in that as above-mentioned rotary damper,
The impact force and vibration that act between above-mentioned thread spindle and above-mentioned second belt wheel are inhaled including the use of the elasticity of rubber slab
The rubber slat rotary damper of receipts.
Rubber slat rotation can be produced by only needing for the rubber slab with required elastic force to be configured to required shape
Turn damper, therefore, implements electric press casting machine of the invention using the component energy qurer.
In addition, in the electric press casting machine of above structure of the invention, which is characterized in that including with above-mentioned one-way clutch
The lubricating arrangement of opposite, above-mentioned one-way clutch.
One-way clutch is installed on to the one end of thread spindle, so as to be oppositely disposed list with above-mentioned one-way clutch
To the lubricating arrangement of clutch.In addition, being oppositely disposed the lubricating arrangement of one-way clutch, with one-way clutch so as to improve
Therefore the lubricating efficiency of one-way clutch can extend the service life of one-way clutch.
Invention effect
In electric press casting machine of the invention, one-way clutch is installed in the one end of thread spindle, in the ratio list of thread spindle
To the position of clutch installation site more in the inner part, the second belt wheel and first pulley are installed in order, and in one-way clutch
Therefore it can inhibit the failure of one-way clutch, and can be easily configured with rotary damper between the outer ring of device and the second belt wheel
Carry out the repairing and replacement, the replacement of electric servomotor when failure has occurred in one-way clutch.
Detailed description of the invention
Fig. 1 is the main portion sectional view that the slave face side of the electric injection machine device of embodiment one is observed.
Fig. 2 is the major part side view of the electric injection machine device of embodiment one.
Fig. 3 is the cross-sectional view of the relief means of embodiment one.
Fig. 4 is the main view that the slave first component side of the relief means of embodiment one is observed.
Fig. 5 is the overall perspective view of the one-way clutch of embodiment one.
Fig. 6 is the main portion sectional view of the one-way clutch of embodiment one.
Fig. 7 is the structure chart of the spring rotary damper of embodiment one.
Fig. 8 is the action specification figure of the electric injection machine device of embodiment one.
Fig. 9 is the major part side view for indicating the structure of electric injection machine device of embodiment two.
Figure 10 is the major part side view for indicating the structure of electric injection machine device of embodiment three.
Figure 11 is the major part side view for indicating the structure of electric injection machine device of example IV.
Specific embodiment
Hereinafter, pressing embodiment, it is illustrated using embodiment of the attached drawing to electric press casting machine of the invention.In addition, this
The thought of invention is not limited to embodiments discussed below, and other knots can be applied in the range of not violating present inventive concept
The electric press casting machine of structure.
(embodiment one)
As depicted in figs. 1 and 2, in the electric injection machine device 1 of the electric press casting machine 100A of embodiment one, including two notes
Modeling electric servomotor 2a, 2b and a pressurization electric servomotor 3.
In addition, the electric injection machine device 1 of the present embodiment includes: thread spindle 6, above-mentioned thread spindle 6 passes through bearing 5 revolvably
It is held in holding plate 4；Nut piece 7, above-mentioned nut piece 7 are screwed togather with thread spindle 6, as the rotation of thread spindle 6 drives and are advanced by
Retreat driving；Connecting piece 8, above-mentioned connecting piece 8 and 6 concentric arrangement of thread spindle are equipped with injection molding plunger 8a in front end；And punching
Buffer unit 9 is hit, above-mentioned relief means 9 are configured between nut piece 7 and connecting piece 8, the impact to connecting piece 8 is acted on
Pressure is absorbed.In addition, the position detector 10 that in connecting piece 8 there is the position to injection molding plunger 8a to be detected.In addition,
The front end of injection molding plunger 8a is configured in the injection molding sleeve that fixed draw ring (not shown) is formed.
In addition, successively being pressed in the one end (end with the installation side opposite side of connecting piece 8) of thread spindle 6 from outside
Sequence is equipped with: one-way clutch 11 and rotary damper 12；Second belt wheel 14, above-mentioned second belt wheel 14, which has been wrapping with, uses pressurization
The driving force of electric servomotor 3 is transferred to the synchronous belt 13 of thread spindle 6；First pulley 16, above-mentioned first pulley 16 are wrapping with
There are synchronous belt 15a, 15b that injection molding is transferred to thread spindle 6 with the driving force of electric servomotor 2a, 2b.
Injection molding electric servomotor 2a, 2b and pressurization are with electronic servomotor 3 by the control that exports from control device 20
Signal control driving processed.It, can also be using being controlled all drivings of electric press casting machine in addition, as control device 20
Device controller.
As shown in Fig. 2, the electric injection machine device 1 of embodiment one is configured with injection molding electrical servo in the top of holding plate 4
Motor 2a, 2b are configured with pressurization electric servomotor 3 in the side of holding plate 4.In addition, in pressurization electric servomotor 3
Installation side be configured with counter wheel 17.
In addition, from fig. 1, it can be seen that not being typically embodied in electric press casting machine in the electric injection machine device 1 of embodiment one
The load cell of electric injection machine device.It therefore, can be by reality compared with the existing electric injection machine device with load cell
Apply the length dimension miniaturization of the electric injection machine device 1 of example one.
Hereinafter, the structure to each section is further elaborated.
As shown in Fig. 1, Fig. 3 and Fig. 4, relief means 9 are by being fixed on the first component 33 of nut piece 7, being fixed on company
The elastic components 36 such as the second component 35 for tying part 8, the helical spring being set between first component 33 and second component 35 are constituted.
As shown in figure 4, first component 33 and the front shape of second component 35 are shaped generally as hexagon, in the central portion
Offer the nut piece through hole 38 for penetrating through for nut piece 7.In addition, the predetermined bits around nut piece through hole 38
It sets, offers the binder bolt through hole 39 for penetrating through for binder bolt 37.In addition, not with nut piece through hole 38 around
Binder bolt through hole 39 interfere part, multiple (being in the example of fig. 4 10) are formed in a manner of substantially equal part
Elastic component accepting hole 40.
In addition to this, as shown in figure 4, the relief means 9 of the present embodiment are in first component 33 and second component 35
The end in major diameter direction offers the guiding bar through hole 41 for penetrating through for guiding bar 43, in the guiding bar through hole 41,
Equipped with the sliding bearing (bearing) 42 for sliding freely keeping guiding bar 43.Guiding bar 43 inhibits relief means 9 to shake,
Keep the length direction of the threadingly axis 6 of relief means 9 flexible, guiding bar 43 is with parallel with thread spindle 6 towards being installed on guarantor
Hold plate 4.In addition, can also be saved in the case where relief means 9 can be stably kept between nut piece 7 and connecting piece 8
Slightly guiding bar through hole 41, sliding bearing 42 and guiding bar 43.
As shown in figure 3, the both ends of elastic component 36 are respectively accommodated in the elastic component receiving for being formed in first component 33
Hole 40 and the elastic component accepting hole 40 for being formed in second component 35.First component 33 and second component 35 are accommodated in elastic component
In hole 40 in the state of receiving elastic member 36, binder bolt 37 is penetrated through in binder bolt through hole 39, it will be with connection spiral shell
The nut fastening that bolt 37 screws togather, to carry out integrated assembling.
In addition, the fastening force of binder bolt 37 when to assembling relief means 9 is adjusted, so that with from injection molding work
The compressing force of the pressure identical or slightly larger (for example, 1.05 times~1.1 times) of molten metal when sequence switches to pressurization process
It is applied to elastic component 36.Whereby, elastic component 36 will not be made to compress in injection step, needed for capable of applying to molten metal
Injection pressure.In addition, first component 33 and second component 35 are combined into, will not be close to when by punching press, separate as defined in
Interval.
As shown in Figure 5 and Figure 6, one-way clutch 11 mainly by inner ring 51, outer ring 52, can swingingly be configured at above-mentioned inner ring
Multiple cams 53 between 51 and outer ring 52, exert a force to cam 53 towards one direction at the retainer 54 that is kept to cam 53
Spring member 55 is constituted.Cam 53 is in the case where inner ring 51 and outer ring 52 are rotated towards a specific direction, when inner ring 51
When the revolving speed of rotating ratio outer ring 52 is high, the engaging between above-mentioned inner ring 51 and outer ring 52 is released, makes inner ring 51 relative to outer ring
52 idle running.In addition, above-mentioned cam 53 engages with inner ring 51 and outer ring 52 when the revolving speed in the rotating ratio outer ring 52 of inner ring 51 is low,
Rotate inner ring 51 and outer ring 52 integrally towards an above-mentioned specific direction.Inner ring 51 is fixed on the periphery of thread spindle 6, outer ring 52
It is fixed on the inner circumferential of the second belt wheel 14.
As shown in Figure 1, having in the end of the thread spindle 6 opposite with one-way clutch 11 for lubricating one-way clutch
11 lubricating arrangement (lubricating oil supply nozzle) 44.Lubricating arrangement 44 by lubricating oil supply nozzle, grease-box, by above-mentioned lubrication
Fuel lead and oil drain hose that oily supply nozzle is connected with grease-box and by the lubricating oil in grease-box to lubricating oil
The oil feed pump of supply nozzle force feed is constituted, and lubricating oil supply nozzle is installed on one-way clutch by lubricating arrangement mounting plate 45
11 outer ring 52.Since the electric injection machine device 1 of embodiment one is oppositely disposed lubricating arrangement 44 and one-way clutch 11, because
This, can improve the lubricating efficiency of one-way clutch 11, so as to extend the service life of one-way clutch 11.
For abirritation in the impact force of one-way clutch 11, rotary damper 12 is set to unidirectionally rotary damper 12
Between the outer ring 52 of clutch 11 and the second belt wheel 14.Rotary damper 12 there are: using the elasticity of spring to acting on list
The spring rotary damper absorbed to the impact force of clutch 11 and vibration；And utilize the elastic to effect of rubber slab
In the rubber slat rotary damper that the impact force of one-way clutch 11 and vibration are absorbed.
As shown in fig. 7, spring rotary damper 12 by the inner ring 62 with external tooth 61, the outer ring 64 with internal tooth 63,
The spring 65 being configured between external tooth 61 and internal tooth 63 is constituted.Inner ring 62 is fixed on the outer ring 52 of one-way clutch 11, outer ring 64
It is fixed on the second belt wheel 14.Therefore, inner ring 62 and when relatively circumferentially rotatable outer ring 64,65 flexible deformation of spring, thus right
The impact force and vibration for acting on the direction of rotation of one-way clutch 11 are absorbed.Various spring rotary dampers 12 are in city
There is sale on, therefore, can easily implement the electric press casting machine 100A of embodiment one.
Raw material rubber with required elastic force is formed as can be set in list by rubber slat rotary damper 12
Shape between the outer ring of clutch 11 52 and the second belt wheel 14, for example formed as ring shape.Rubber slat damping due to rotation
The inner peripheral portion of device 12 is fixed on the outer ring 52 of one-way clutch 11, and the peripheral part of rubber slat rotary damper 12 is fixed on second
Belt wheel 14.Therefore, the outer ring 52 of one-way clutch 11 and when relatively circumferentially rotatable the second belt wheel 14, rubber slat rotation resistance
Flexible deformation occurs for Buddhist nun's device 12, so that the impact force and vibration to the direction of rotation for acting on one-way clutch 11 absorb.
Since can rubber slat rotary damper 12 be manufactured by qurer relatively, energy qurer implements the electronic die casting of embodiment one
Machine 100A.
The electric injection machine device 1 of embodiment one is used as clutch mechanism using one-way clutch 11, by being molded with electronic
The rotating ratio of the thread spindle 6 of servo motor 2a, 2b driving rotation is driven the thread spindle 6 of rotation by pressurization with electric servomotor 3
Revolving speed low stage, above-mentioned one-way clutch 11 is automatically switched to connection status, therefore, there is no need to control device 20 to from
Clutch device switches over control, can mitigate the burden of control device 20.
In addition, between the outer ring 52 and the second belt wheel 14 of the one-way clutch 11 of the electric injection machine device 1 of embodiment one
It is provided with rotary damper 12, therefore, energy abirritation can be reduced one-way clutch 11 in the impact force of one-way clutch 11
Failure.In addition, the electric injection machine device 1 of embodiment one can be such that the impact force for acting on one-way clutch 11 mitigates, so as to anti-
Only one-way clutch 11 unidirectionally contact, from this point on from the point of view of, also can be reduced the failure of one-way clutch 11.In addition, embodiment one
Electric injection machine device 1 do not need failure in order to prevent and by 11 enlargement of one-way clutch, therefore, will not increasing action in increasing
The pressure inertia of electric servomotor 3, can swimmingly carry out the transfer from high-pressure injection moulding process to pressurization process.
Second belt wheel 14 is installed on thread spindle 6 by bearing 71.In addition, first pulley 16 and thread spindle 6 are affixed.
Counter wheel 17 improves the reduction ratio of the rotation output of pressurization electric servomotor 3, is concentrically formed with big
Belt wheel 17a and small pulley 17b.Be set to pressurization electric servomotor 3 output shaft former movable belt pulley 3a and big belt wheel 17a it
Between, it is wrapping with the mid-ambles belt 72 that pressurization is transferred to counter wheel 17 with the driving force of electric servomotor 3, in small band
It takes turns between 17b and the second belt wheel 14, is wrapping with the synchronization skin for the pressurization for transmitting the driving force of counter wheel 17 to thread spindle 6
Band 13.Therefore, the pressurization of the electric injection machine device 1 of embodiment one and is applied with the driving force of electric servomotor 3 by double reduction
It is added on thread spindle 6.Therefore, the molten metal that the electric injection machine device 1 of embodiment one can be intracavitary to the type of mold to injection molding, filling
Apply sufficiently large pressurized energy.
In addition, in former movable belt pulley 18a, 18b and first band for being set to injection molding each output shaft of electric servomotor 2a, 2b
Between wheel 16, it is wrapping with synchronization that transmit the driving force of injection molding electric servomotor 2a, 2b to thread spindle 6, injection molding
Belt 15a, 15b.
The electric injection machine device 1 of embodiment one is equipped with one-way clutch 11 and damping due to rotation in the one end of thread spindle 6
Device 12 more in the inner part, is being equipped with the second belt wheel 14 and first pulley 16 than above-mentioned component in order, therefore, repair and
When replacing one-way clutch 11, do not need injection molding electric servomotor 2a, 2b, synchronous belt 15a, 15b and first pulley
16 remove from thread spindle 6, easily can repair and replace one-way clutch 11.
In addition, the electric injection machine device 1 of embodiment one is not needed injection molding electric servomotor 2a, 2b, synchronous belt
15a, 15b and first pulley 16 are removed from thread spindle 6, can be by one-way clutch 11, the second belt wheel 14, pressurization electrical servo
Motor 3 and counter wheel 17 are removed, and therefore, are removing one-way clutch 11, the second belt wheel 14, pressurization electric servomotor 3
And after counter wheel 17, the space that it is vacated is utilized, additional new injection molding electric servomotor 2a, 2b, synchronous skin
Band 15a, 15b and first pulley 16, can add injection molding electric servomotor 2a, 2b.Therefore, electricity consumption will can be easily pressurized
Dynamic servo motor 3 is changed to injection molding electric servomotor 2a, 2b.
20 pairs of control device injection moldings carry out drive control with electric servomotor 2a, 2b and pressurization with electric servomotor 3.
In addition, could be used that the device controller for the drive control for executing die casting machine entirety as control device 20.
That is, when control device 20 executes starting of the injection molding with electric servomotor 2a, 2b and pressurization electric servomotor 3
Between, injection moldings electric servomotor 2a, 2b and the pressurization such as dwell time, acceleration environment, deceleration conditions, revolving speed and rotating torques
With whole drive controls of electric servomotor 3.Whereby, the control device 20 of embodiment one can be based on preset casting
Low speed injection step, high speed injection motding process, pressurization process, the release work of casting piece is repeated in the casting condition of product in order
Sequence and the retrogressing process for being molded plunger 8a, to continuously cast required casting piece.
Particularly, the control device 20 of embodiment one is characterized in that, in pressurization process, is pressurized according to being set to electronic
It is slow to find out impact for the output signal of the rotary encoder (not shown) of servo motor 3 and the output signal of position detector 10
The decrement (set on the decrement of the elastic component 36 of relief means 9) of flushing device 9 is filled based on the damping of shocks found out
The decrement for setting 9 controls the pressurized energy in pressurization process.That is, since the decrement of relief means 9 can be converted
Therefore pressurized energy at the molten metal of the intracavitary injection molding of type, filling that are applied to mold is without the use of load cell, base
It is controlled in the pressurized energy of the decrement of relief means 9, molten metal that can be intracavitary to the type that is applied to.
The electric injection machine device 1 of embodiment one is to make invention based on above-mentioned opinion, passes through setting damping of shocks dress
9 decrement is set to set to pressurized energy.
The decrement of relief means 9 is as the difference between the position of injection molding plunger 8a and the progressive position of nut piece 7
It is worth and finds out.Therefore, the control device 20 of embodiment one finds out injection molding plunger 8a's according to the output signal of position detector 10
Position, and according to the advanced potential for finding out nut piece 7 with the output signal of the rotary encoder of electric servomotor 3 set on pressurization
It sets, in a manner of making the difference of two positions reach the decrement of relief means 9 of setting, by position feedback control to increasing
Pressure carries out drive control with electric servomotor 3.
In addition, as described above, with the solidification shrinkage of molten metal, be molded plunger 8a in pressurization process and worm,
Therefore, the worming according to above-mentioned injection molding plunger 8a of control device 20 carries out to the multistage pressurization electrical servo horse repeatedly
Drive control up to 3, by position feedback control.Whereby, the control of pressurized energy can accurately and be correctly carried out.
The electric injection machine device 1 of embodiment one is by relief means 9 as the increasing being used for injection molding plunger 8a is acted on
The pressure sensor that pressure is detected utilizes, and therefore, can omit load cell, is able to achieve electric injection machine device 1
It is cost effective, and energy is accurate and correctly controls the pressurized energy for acting on molten metal, so as to steadily manufacture
Bad order is not present out, underweight casting piece is not present.Further, since being by position feedback control to pressurization electricity consumption
Dynamic servo motor 3 carries out drive control, therefore, is driven to pressurization with electric servomotor 3 with by pressure feedback control
The case where control, is compared, and the Motor Control being pressurized in process can be made to simplify.
Hereinafter, being based on Fig. 8, the movement and effect of the electric injection machine device 1 of embodiment one are illustrated.Base is acted below
It is carried out in the control signal exported from control device 20.
As shown in (b) of Fig. 8, in the state that die casting machine carries out continuous automatic operating, if reaching the beginning of low speed injection molding
Time, then injection molding is started with electric servomotor 2a, 2b towards defined direction of rotation, and revolving speed is controlled as preset low
The injection molding revolving speed of speed.Then, it if at the beginning of reaching high speed injection motding, is molded and is accelerated with electric servomotor 2a, 2b,
Revolving speed is controlled as the revolving speed of preset high speed injection motding.
Injection molding is with the rotation of electric servomotor 2a, 2b via each output for being set to injection molding electric servomotor 2a, 2b
Former movable belt pulley 18a, 18b of axis, synchronous belt 15a, 15b and first pulley 16 are transmitted to thread spindle 6, to be infused with low speed
Revolving speed driving thread spindle 6 when revolving speed and high speed injection motding when modeling rotates.As shown in (b) of Fig. 8, if driving thread spindle 6 rotates,
It then drives the nut piece 7 screwed togather with thread spindle 6 to advance, links via relief means 9 and connecting piece 8 with nut piece 7
Injection molding plunger 8a is driven, and forward speed when with the injection molding of defined low speed and forward speed when high speed injection motding are advanced.Whereby,
It is molded with defined injection moulding speed low speed to mold (not shown) in a certain amount of molten metal being fed in injection molding sleeve
Type it is intracavitary after, with defined injection moulding speed high speed injection motding.
Before be molded plunger 8a so by the molten metal being molded in sleeve be molded the type to mold it is intracavitary when, can be to type chamber
The surge of interior molten metal impulses.If surge is excessive, it is easy to generate the moldings such as burr not on product
The reason of good and mold is destroyed.The electric injection machine device 1 of present embodiment utilizes the elasticity for being set to relief means 9
Component 36 absorbs surge.That is, the surge generated in high speed injection motding process is via injection molding plunger 8a and connecting piece 8
And it is transferred to the second component 35 of relief means 9, therefore, as shown in the part A of (a) of Fig. 8, elastic component 36 is first
It is compressed between component 33 and second component 35, to absorb surge by its flexible deformation.It therefore, will not be intracavitary to type
Molten metal act on excessive surge, it is possible to produce excellent product.
As shown in (b) of Fig. 8, if reaching the latter stage of high speed injection motding process, the control injection molding of control device 20 is watched with electronic
Motor 2a, 2b deceleration are taken, finally, injection molding is stopped rotating with electric servomotor 2a, 2b.In addition, control device 20 is starting to infuse
Before the modeling deceleration of electric servomotor 2a, 2b control, start the starting of pressurization electric servomotor 3, and by its revolving speed
Remain preset defined revolving speed.The revolving speed of injection molding electric servomotor 2a, 2b are gradually reduced by control of slowing down,
Pressurization is gradually increased with the revolving speed of electric servomotor 3 by starting control, therefore, in injection molding electric servomotor 2a, 2b
Deceleration control in, injection molding uses the revolving speed of electric servomotor 3 opposite with the revolving speed of electric servomotor 2a, 2b with pressurization.
Therefore, it even if after starting pressurization electric servomotor 3, is driven by injection molding with electric servomotor 2a, 2b
The rotating ratio of the thread spindle 6 of dynamic rotation drives the feelings of the revolving speed high speed of the thread spindle 6 of rotation by pressurization with electric servomotor 3
Under condition, one-way clutch 11 can also dally, and the rotary force of pressurization electric servomotor 3 will not be transferred to thread spindle 6.Therefore,
By carrying out drive control with electric servomotor 2a, 2b to injection molding, thereby executing in injection step low speed injection step and
High speed injection motding process.
From above-mentioned state, further decreases and turned by the thread spindle 6 of injection molding electric servomotor 2a, 2b driving rotation
Speed, when the rotating ratio of the thread spindle 6 rotated by injection molding with electric servomotor 2a, 2b driving is by pressurization electric servomotor 3
When driving the revolving speed low speed of the thread spindle 6 of rotation, at this stage, one-way clutch 11 is automatically switched as connection status, increasing
The rotary force of pressure electric servomotor 3 is via the former movable belt pulley 3a of output shaft, the centre for being set to pressurization electric servomotor 3
Synchronous belt 72, the big belt wheel 17a of counter wheel 17, the small pulley 17b of counter wheel 17, synchronous belt 13, the second belt wheel 14
And it is transferred to thread spindle 6.
Above-mentioned rotary force is converted to linear advancement power by nut piece 7, and via relief means 9 and connecting piece 8 and
It is transferred to injection molding plunger 8a.It, can be to mould by the above-mentioned pressurization power supply of electric servomotor 3 as shown in (c) of Fig. 8
The intracavitary molten metal of tool type applies required boost pressure, thereby executing the subsequent pressurization process of injection step.Whereby, can prevent
Only the molding such as shrinkage cavity is bad.
In above-mentioned pressurization process, drive control is carried out with electric servomotor 3 to pressurization by position feedback control, with
Make the decrement of the relief means 9 found out as the position of injection molding plunger 8a with the difference of the progressive position of nut piece 7
Reach to set pressurized energy and the decrement of preset relief means 9.The part B of (a) of Fig. 8 is shown at this time
Elastic component 36 state.
In addition, starting injection molding electric servomotor in drive control of the above-mentioned pressurization with electric servomotor 3
Before the deceleration control of 2a, 2b, pressurization electric servomotor 3 is started, but it's not limited to that for purport of the invention, also can be
The deceleration for starting injection molding electric servomotor 2a, 2b controls simultaneously or starts after this pressurization electric servomotor 3
It starts.
After the completion of being pressurized process, cooling process terminates and drives mold opening and closing electric servomotor (not shown) and executes
When being opened process, since the recuperability using elastic component 36 compressed when being pressurized process pass through note when being opened process
The pressure that plunger 8a applies launch direction to casting gate (Japanese: ビ ス ケ ッ ト) is moulded, casting gate projecting motion can be made to follow die sinking
Movement.Then, driving injection molding electric servomotor 2a, 2b is inverted and nut piece 7 is made to return to original position.Accompanying this, connection
Part 8 and injection molding plunger 8a also return to original position.
Two > of < embodiment
As shown in figure 9, the electric press casting machine 100B of embodiment two is characterized in that, pressurization electric servomotor 3 is taken
Under, electric injection machine device 1 includes four injection moldings electric servomotor 2a, 2b, 2c, 2d.In this example, two injection molding electricity consumptions
Dynamic servo motor 2a, 2b are configured at the top of holding plate 4, and other two injection moldings are configured at holding with electric servomotor 2c, 2d
The side of plate 4.Other identical as the electric injection machine device 1 of embodiment one, the description thereof will be omitted.As described above, the electricity of embodiment one
In dynamic injection moulding apparatus 1, injection molding electric servomotor 2a, 2b, synchronous belt 15a, 15b and first are not removed from thread spindle 6
Belt wheel 16 can remove one-way clutch 11, the second belt wheel 14, pressurization electric servomotor 3 and counter wheel 17.Cause
This, after above-mentioned each component is removed, only installs new first pulley in the installation space of one-way clutch 11 and the second belt wheel 14
16, new injection molding electric servomotor 2c, 2d are installed with the installation space of electric servomotor 3 and counter wheel 17 in pressurization
And synchronous belt 15c, 15d, injection molding electric servomotor 2c, 2d can be added, to form the electronic pressure of embodiment two
Casting machine 100B.Therefore, injection molding electric servomotor 2c, 2d easily can be changed to from pressurization electric servomotor 3.
The electric injection machine device 1 of embodiment two, by position feedback control, is molded with electronic four in pressurization process
Servo motor 2a, 2b, 2c, 2d carry out drive control, to apply defined increase to injection molding, filling to the intracavitary molten resin of type
Pressure.
(embodiment three)
As shown in Figure 10, the electric press casting machine 100C of embodiment three is characterized in that, electric servomotor is used in two injection moldings
2a, 2b are configured at the top of holding plate 4, and in addition two injection moldings are configured at the lower section of holding plate 4 with servo motor 2c, 2d.It is other
Identical as the electric injection machine device 1 of embodiment two, the description thereof will be omitted.In addition, as shown in the double dot dash line of Figure 10, it can also be by two
Platform injection molding is configured at the left of holding plate 4 with electric servomotor 2a, 2b, by other two injection molding with electric servomotor 2c,
2d is configured at the right of holding plate 4.
(example IV)
As shown in figure 11, the electric press casting machine 100D of example IV is characterized in that, electric servomotor is used in two injection moldings
2a, 2b are configured at the top of holding plate 4, and a pressurization electric servomotor 3 is configured at the lower section of holding plate 4, are being installed on
On the former movable belt pulley 3a and the second belt wheel 14 of the output shaft of pressurization electric servomotor 3, it is wrapping with synchronous belt 13.It is other with
The electric injection machine device 1 of embodiment one is identical, and the description thereof will be omitted.In addition, as shown in the double dot dash line of Figure 11, it can also be by two
Injection molding is configured at the left and right of holding plate 4 with electric servomotor 2a, 2b.
In addition to this, about the injection molding electric servomotor and pressurization electric servomotor for being set to electric injection machine device
The configuration relative to holding plate 4 of quantity and each electric servomotor, can according to need and make various changes.
Industrial availability
The present invention can be used for electric injection machine device possessed by electric press casting machine.
Symbol description
1 ... electric injection machine device,
2a, 2b ... injection molding electric servomotor,
3 ... pressurization electric servomotors,
The former movable belt pulley of 3a ...,
4 ... holding plates,
5 ... bearings,
6 ... thread spindles,
7 ... nut pieces,
8 ... connecting pieces,
8a ... injection molding plunger,
9 ... relief means,
10 ... position detectors,
11 ... one-way clutch,
12 ... rotary dampers,
13 ... synchronous belts (pressurization is used),
14 ... second belt wheels,
15a, 15b ... synchronous belt (injection molding is used),
16 ... first pulleys,
17 ... counter wheels,
The former movable belt pulley of 18a, 18b ...,
20 ... control devices,
33 ... first components,
35 ... second components,
36 ... elastic components,
38 ... nut piece through holes,
39 ... binder bolt through holes,
40 ... elastic component accepting holes,
41 ... guiding bar through holes,
42 ... sliding bearings,
43 ... guiding bars,
44 ... lubricating arrangements,
45 ... lubricating arrangement mounting plates,
51 ... inner rings,
52 ... outer rings,
53 ... cams,
54 ... retainers,
55 ... spring members,
61 ... external tooths,
62 ... inner rings,
63 ... internal tooths,
64 ... outer rings,
65 ... springs,
71 ... bearings,
72 ... mid-ambles belts,
100A, 100B, 100C, 100D ... electric press casting machine
Claims (4)
1. a kind of electric press casting machine, comprising: thread spindle, the thread spindle are maintained as to rotate；Nut piece, the nut piece with
The thread spindle screws togather, with the rotation driving of the thread spindle by driving forward-reverse；It is molded plunger, the injection molding plunger
Forward-reverse with the nut piece is in linkage by driving forward-reverse；Injection molding electric servomotor and pressurization electrical servo
Motor, the rotation of the thread spindle described in electronic servo motor driven of the injection molding electric servomotor and pressurization；First pulley, institute
It states first pulley and is installed on the thread spindle, be wrapping with and the driving force of injection molding electric servomotor is transferred to the spiral shell
The synchronous belt of line axis；Second belt wheel, second belt wheel are installed on the thread spindle, have been wrapping with and have watched the pressurization with electronic
The driving force for taking motor is transferred to the synchronous belt of the thread spindle；And one-way clutch, the one-way clutch are configured at
On from second belt wheel to the thread spindle, power transmission path,
It is characterized in that,
The one-way clutch is installed in the one end of the thread spindle, in the thread spindle than one-way clutch installation position
Position more in the inner part is set, second belt wheel and the first pulley are installed in order, and in the one-way clutch
Outer ring and second belt wheel between be provided with rotary damper.
2. electric press casting machine as described in claim 1, which is characterized in that
As the rotary damper, elasticity including the use of spring is to acting between the thread spindle and second belt wheel
Impact force and the spring rotary damper that is absorbed of vibration.
3. electric press casting machine as described in claim 1, which is characterized in that
As the rotary damper, including the use of rubber slab elasticity to act on the thread spindle and second belt wheel it
Between the rubber slat rotary damper that is absorbed of impact force and vibration.
4. electric press casting machine as described in claim 1, which is characterized in that
Relatively with the one-way clutch, the lubricating arrangement including the one-way clutch.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-069346 | 2016-03-30 | ||
| JP2016069346A JP6602718B2 (en) | 2016-03-30 | 2016-03-30 | Electric die casting machine |
| PCT/JP2017/010721 WO2017169856A1 (en) | 2016-03-30 | 2017-03-16 | Electric die-casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109070203A true CN109070203A (en) | 2018-12-21 |
Family
ID=59965351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780021553.7A Pending CN109070203A (en) | 2016-03-30 | 2017-03-16 | Electric press casting machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6602718B2 (en) |
| CN (1) | CN109070203A (en) |
| WO (1) | WO2017169856A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370341B (en) * | 2019-08-09 | 2020-09-29 | 国网上海市电力公司 | Chipless cutting device for cable pipeline |
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|---|---|---|---|---|
| CN1612981A (en) * | 2001-08-31 | 2005-05-04 | 里尔精密制造公司 | Input engaging clutch |
| CN1647906A (en) * | 2004-01-26 | 2005-08-03 | 阿尔卑斯电气株式会社 | Mold combining device of injection molding machine |
| CN102352809A (en) * | 2011-08-24 | 2012-02-15 | 王振营 | Rotary damping buffering meshed type automobile motor |
| DE102011116254B3 (en) * | 2011-10-18 | 2013-03-21 | Konwel Gmbh | Clutch and/or movement control device, useful for molding tools for injection-molding of plastics or pressure casting of metals, includes a form-closing unit controllable in parting planes, and a radial cylindrical pin |
| CN103688081A (en) * | 2011-05-16 | 2014-03-26 | 株式会社利富高 | Rotary damper device with one-way clutch |
| CN104703728A (en) * | 2012-10-12 | 2015-06-10 | 东洋机械金属株式会社 | Electric die casting machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6027842B2 (en) * | 2012-10-12 | 2016-11-16 | 東洋機械金属株式会社 | Electric die casting machine |
-
2016
- 2016-03-30 JP JP2016069346A patent/JP6602718B2/en active Active
-
2017
- 2017-03-16 CN CN201780021553.7A patent/CN109070203A/en active Pending
- 2017-03-16 WO PCT/JP2017/010721 patent/WO2017169856A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1612981A (en) * | 2001-08-31 | 2005-05-04 | 里尔精密制造公司 | Input engaging clutch |
| CN1647906A (en) * | 2004-01-26 | 2005-08-03 | 阿尔卑斯电气株式会社 | Mold combining device of injection molding machine |
| CN103688081A (en) * | 2011-05-16 | 2014-03-26 | 株式会社利富高 | Rotary damper device with one-way clutch |
| CN102352809A (en) * | 2011-08-24 | 2012-02-15 | 王振营 | Rotary damping buffering meshed type automobile motor |
| DE102011116254B3 (en) * | 2011-10-18 | 2013-03-21 | Konwel Gmbh | Clutch and/or movement control device, useful for molding tools for injection-molding of plastics or pressure casting of metals, includes a form-closing unit controllable in parting planes, and a radial cylindrical pin |
| CN104703728A (en) * | 2012-10-12 | 2015-06-10 | 东洋机械金属株式会社 | Electric die casting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6602718B2 (en) | 2019-11-06 |
| WO2017169856A1 (en) | 2017-10-05 |
| JP2017177176A (en) | 2017-10-05 |
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