CN104070649A - Injection molding machine - Google Patents

Injection molding machine Download PDF

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Publication number
CN104070649A
CN104070649A CN201410059688.0A CN201410059688A CN104070649A CN 104070649 A CN104070649 A CN 104070649A CN 201410059688 A CN201410059688 A CN 201410059688A CN 104070649 A CN104070649 A CN 104070649A
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CN
China
Prior art keywords
adsorption
fender
movable
elastomer
fixed
Prior art date
Application number
CN201410059688.0A
Other languages
Chinese (zh)
Inventor
森田洋
守谷幸次
Original Assignee
住友重机械工业株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to JP2013072870A priority Critical patent/JP2014195960A/en
Priority to JP2013-072870 priority
Application filed by 住友重机械工业株式会社 filed Critical 住友重机械工业株式会社
Publication of CN104070649A publication Critical patent/CN104070649A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/64Mould opening, closing or clamping devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/64Mould opening, closing or clamping devices
    • B29C2045/645Mould opening, closing or clamping devices using magnetic means

Abstract

The invention provides an injection molding machine which can maintain the balance of a mold clamping force. The injection molding machine is provided with a first fixed part (12) which is provided with a fixed mold (32); a first movable part (13) which is provided with a movable mold (33); a second movable part (18) which can move along with the first movable part (13); and a second fixed part (15) which is assembled between the first movable part (13) and the second movable part (18). The second fixed part (15) and the second movable part (18) form a mold clamping force generation part (24) through the absorption force of a magnet (25). The injection molding machine is provided with a plurality of elastic bodies (40) which inhibit the absorption surface of the second fixed part (15) and the absorption surface of the second movable part (18) to be inclined.

Description

Injection (mo(u)lding) machine

Technical field

The application advocates the priority of No. 2013-072870th, Japanese patent application based on March 29th, 2013 application.All the elements of this application are by reference to being applied in this description.

The present invention relates to a kind of injection (mo(u)lding) machine.

Background technology

Injection (mo(u)lding) machine has the mold closing mechanism of mold closing, matched moulds and the die sinking of carrying out die device.Die device consists of cover half and dynamic model etc.Mold closing mechanism have be provided with cover half the 1st fixed part, the 1st movable member of dynamic model is installed, together with the 1st movable member mobile the 2nd movable member and be equipped on the 1st movable member and the 2nd movable member between the 2nd fixed part etc.By the 2nd fixed part and the 2nd movable member, formed the mold clamping force generating unit (for example referring to Patent Document 1) that produces mold clamping force by the absorption affinity of electromagnet.

Patent documentation 1: Japan internationality discloses No. 2005/090052

If the adsorption plane of the adsorption plane of the 2nd fixed part and the 2nd movable member tilts, when matched moulds finishes, be formed at adsorption plane gap each other and become inhomogeneous.The absorption affinity of gap stenosis is greater than the absorption affinity at wider place, gap, and inclination can constantly increase the weight of, and matched moulds equilibrium of forces is destroyed.

Summary of the invention

The present invention completes in view of above-mentioned problem, and its object is to provide a kind of injection (mo(u)lding) machine that can stablize matched moulds equilibrium of forces.

In order to solve above-mentioned problem, according to a mode of the present invention, provide a kind of injection (mo(u)lding) machine, it possesses:

The 1st fixed part, is provided with cover half;

The 1st movable member, is provided with dynamic model;

The 2nd movable member moves together with described the 1st movable member; And

The 2nd fixed part, is equipped between described the 1st movable member and described the 2nd movable member,

By described the 2nd fixed part and described the 2nd movable member, form the mold clamping force generating unit that produces mold clamping force by the absorption affinity of electromagnet,

Described injection (mo(u)lding) machine possesses a plurality of elastomers of the inclination that suppresses the adsorption plane of described the 2nd fixed part and the adsorption plane of described the 2nd movable member.

Invention effect:

According to a mode of the present invention, provide a kind of injection (mo(u)lding) machine that can stablize matched moulds equilibrium of forces.

Accompanying drawing explanation

Fig. 1 means the figure of the state when mold closing of the injection (mo(u)lding) machine of one embodiment of the present invention finishes.

Fig. 2 means the figure of the state when die sinking of the injection (mo(u)lding) machine of one embodiment of the present invention finishes.

Fig. 3 is the figure from the rear fender of forward observation one embodiment of the present invention.

Fig. 4 observes the figure of the adsorption element of one embodiment of the present invention from rear.

The figure of the state of the elastomer that Fig. 5 means variation of the present invention when mold closing finishes.

The figure of the state of the elastomer that Fig. 6 means variation of the present invention when die sinking finishes.

In figure: 10-mold closing mechanism, 11-framework, 12-fixation clip (the 1st fixed part), 13-can dynamic pressure plate (the 1st movable member), 15-rear fender (the 2nd fixed part), 18-adsorption element (the 2nd movable member), 19-connecting member, 21-linear motor, 24-mold clamping force generating unit, 25-electromagnet, 26-adsorption section, 40-elastomer.

The specific embodiment

Below, with reference to accompanying drawing, to describing for implementing mode of the present invention, in each accompanying drawing, also description thereof is omitted for identical or corresponding structure, to add identical or corresponding symbol.And, when carrying out mold closing can dynamic pressure plate moving direction be made as the place ahead, and when carrying out die sinking can dynamic pressure plate moving direction be made as rear and describe.And, the direction vertical with respect to framework is made as to upper and lower and always describes.Fore-and-aft direction, above-below direction and left and right directions are orthogonal directions.In addition, the injection (mo(u)lding) machine of present embodiment is horizontal, but also can be vertical.

Fig. 1 means the figure of the state when mold closing of the injection (mo(u)lding) machine of one embodiment of the present invention finishes.Fig. 2 means the figure of the state when die sinking of the injection (mo(u)lding) machine of one embodiment of the present invention finishes.

Injection (mo(u)lding) machine possesses the mold closing mechanism 10 of mold closing, matched moulds and the die sinking of carrying out die device 30.Die device 30 for example consists of cover half 32 and dynamic model 33.

Mold closing mechanism 10 have framework 11, as the fixation clip 12 of the 1st fixed part, as the 1st movable member can dynamic pressure plate 13, as the rear fender 15 of the 2nd fixed part, as the adsorption element 18 of the 2nd movable member, linear motor 21, mold clamping force generating unit 24 and a plurality of elastomer 40 etc. as mould driven for opening and closing portion.

Fixation clip 12 loads on framework 11 free to advance or retreatly.Cover half 32 is installed on the mould installed surface of fixation clip 12.

Can be fixed on the guide pad 14 for example, moving freely along the guiding piece (guide rail) 17 being laid on framework 11 by dynamic pressure plate 13.Thus, can dynamic pressure plate 13 free to advance or retreat with respect to framework 11.Dynamic model 33 is installed on mould installed surface that can dynamic pressure plate 13.

Rear fender 15 for example, links via many (4) connecting rods 16 and fixation clip 12.Rear fender 15 be equipped on can dynamic pressure plate 13 and adsorption element 18 between, and be fixed on framework 11.

In addition, in present embodiment, fixation clip 12 loads on framework 11 free to advance or retreatly, and rear fender 15 is fixed on framework 11, but can be also that rear fender loads in framework free to advance or retreatly and fixation clip 12 is fixed on framework 11.

Adsorption element 18 via connecting member 19 with can link by dynamic pressure plate 13, and with can together with dynamic pressure plate 13, move.Be equipped on can dynamic pressure plate 13 and adsorption element 18 between rear fender 15 on be formed with and make connecting member 19 insert the slotting perforation of wearing.

Adsorption element 18 is fixed on along the guiding piece 17 being laid on framework 11 and moves glide base 20 freely.Thus, adsorption element 18 is more being set as and is moving freely by rear than rear fender 15.

Linear motor 21 makes to link via connecting member 19 can dynamic pressure plate 13 and adsorption element 18 with respect to framework 11, move.Linear motor 21 is for example equipped between adsorption element 18 and framework 11, and the propulsive force being produced by linear motor 21 is passed to via adsorption element 18 can dynamic pressure plate 13.

In addition, linear motor 21 also can be equipped on can dynamic pressure plate 13 and framework 11 between, the propulsive force being produced by linear motor 21 also can be via being passed to adsorption element 18 by dynamic pressure plate 13.

Linear motor 21 comprises fixture 22 and movable piece 23.Fixture 22 is formed at framework 11, and movable piece 23 is formed at glide base 20.If predetermined electric current supply is to the coil of movable piece 23,, by flowing through the electric current formed magnetic field of coil and the magnetic field interaction that permanent magnet by fixture 22 forms, can make thus movable piece 23 advance and retreat.Its result, adsorption element 18 and can dynamic pressure plate 13 with respect to framework 11 advance and retreat, carry out mold closing and die sinking.In addition, coil also can be contrary with the configuration of permanent magnet, and, also can replace permanent magnet with other coil.

In addition, as mould driven for opening and closing portion, can use rotation motor and rotatablely moving of rotation motor be converted to the combination of straight-line ball-screw, or hydraulic cylinder etc. replaces linear motor 21.

Mold clamping force generating unit 24 consists of rear fender 15 and adsorption element 18, by the absorption affinity generation mold clamping force of electromagnet 25.The predetermined portions of the adsorption plane of rear fender 15 for example connecting member 19, be formed with the groove of the coil that holds electromagnet 25 around, in the inner side of groove, be formed with the magnetic core of electromagnet 25.The predetermined portions of the adsorption plane of adsorption section 26 encirclement adsorption elements 18 is connecting member 19 for example, and is formed at and the opposed part of electromagnet 25.If the coil to electromagnet 25 is supplied with electric current, between electromagnet 25 and adsorption section 26, produce absorption affinity, and produce mold clamping force.

In addition, the electromagnet 25 of present embodiment separates formation with rear fender 15, but also can be used as a part for rear fender 15 and form.And the adsorption section 26 of present embodiment separates formation with adsorption element 18, but also can be used as a part for adsorption element 18 and form.And electromagnet 25 also can be contrary with the configuration of adsorption section 26.That is, can form electromagnet 25 in adsorption element 18 sides, and form adsorption section 26 in rear fender 15 sides.And, also can form electromagnet in rear fender side and these both sides of adsorption element side.

Then, with reference to figure 1 and Fig. 2, the action of the mold closing mechanism 10 of said structure is described.

If linear motor 21 is driven under the state finishing in the die sinking shown in Fig. 2, and make to advance by dynamic pressure plate 13, as shown in Figure 1, dynamic model 33 contacts with cover half 32, and mold closing finishes.In the moment finishing at mold closing, between rear fender 15 and adsorption element 18, between electromagnet 25 and adsorption section 26, forming predetermined gap δ.In addition, the required power of mold closing is compared and is fully reduced with mold clamping force.

After mold closing finishes, electromagnet 25 is driven, and produce absorption affinity between the opposed electromagnet 25 of the gap δ across predetermined and adsorption section 26.By this absorption affinity, can dynamic pressure plate 13 and fixation clip 12 between produce mold clamping force.

If gap δ is wide, the magnetic conductivity between the δ of gap diminishes, and cannot obtain sufficient mold clamping force.Therefore, can obtain the mode of predetermined mold clamping force, set gap δ.

Between the cover half 32 of matched moulds state and dynamic model 33, form die cavity space.In die cavity space, fill aqueous moulding material (for example molten resin), the moulding material of filling solidifies and becomes products formed.

Afterwards, if linear motor 21 is driven and makes to retreat by dynamic pressure plate 13, dynamic model 33 retreats, and carries out die sinking.After die sinking, products formed is ejected from dynamic model 33.

Fig. 3 is the figure from the rear fender of forward observation the 1st embodiment of the present invention.

As shown in Figure 1, Figure 2, Figure 3 shows, rear fender 15 has the rear fender main part 15a that is formed with electromagnet 25 and the rear fender support 15b that supports rear fender main part 15a.Rear fender support 15b is fixed on framework 11, and and framework 11 and rear fender main part 15a between form gap.

The side of rear fender support 15b supporting rear fender main part 15a.Rear fender support 15b can be arranged at the left and right sides across rear fender main part 15a.In addition, rear fender support 15b also can support in rear fender main part 15a and face (front end face) adsorption plane (rear end face) opposition side.

The above-below direction central portion of rear fender support 15b supporting rear fender main part 15a.The center of the installation site of the many connecting rods 16 in the above-below direction central portion of rear fender main part 15a and rear fender main part 15a is positioned at apart from the position of the roughly the same distance of framework 11.Rear fender main part 15a is during because of mold clamping force and thermal stress warpage, and warpage produces in laterally zygomorphic mode, can suppress rear fender main part 15a with respect to the inclination of framework 11.

Between rear fender main part 15a and framework 11, there is gap, and only at the above-below direction central portion of rear fender main part 15a, be connected with rear fender support 15b.Therefore, the Joule heat of electromagnet 25 mainly flows out from the above-below direction central portion of rear fender main part 15a.Thus, the Temperature Distribution of rear fender main part 15a becomes upper and lower symmetry, can suppress the warpage of rear fender main part 15a.

Between rear fender main part 15a and framework 11, there is gap, and can be along upper and lower both direction thermal deformation.Thus, rear fender main part 15a is difficult for being offset up and down because of the variations in temperature of rear fender main part 15a with respect to the center of framework 11.

In addition, the rear fender support 15b of present embodiment is connected with the above-below direction central portion of rear fender main part 15a, but link position can be varied, and for example rear fender support 15b can be connected with the bottom of rear fender main part 15a.

Fig. 4 is the figure that observes the adsorption element 18 of the 1st embodiment of the present invention from rear.

As shown in Figure 1, Figure 2, Figure 4 shows, adsorption element 18 has the adsorption element main part 18a that is formed with adsorption section 26 and the adsorption element support 18b that supports adsorption element main part 18a.Adsorption element support 18b is fixed on glide base 20, and glide base 20 and framework 11 and and adsorption element main part 18a between form gap.

In adsorption element support 18b supporting adsorption element main part 18a and face (rear end face) adsorption plane (front end face) opposition side.Adsorption element support 18b can be arranged to symmetrical across the center of adsorption element main part 18a.In addition, adsorption element support 18b also can support the side of adsorption element main part 18a.

The above-below direction central portion of adsorption element support 18b supporting adsorption element main part 18a.The center of the installation site of the attaching parts 19 in the above-below direction central portion of adsorption element main part 18a and adsorption element main part 18a is positioned at apart from the position of the roughly the same distance of framework 11.Adsorption element main part 18a is during because of mold clamping force and thermal stress warpage, and warpage produces in laterally zygomorphic mode, can the restrain adsorption article body 18a of portion with respect to the inclination of framework 11.

Between adsorption element main part 18a and framework 11, there is gap, and only at the above-below direction central portion of adsorption element main part 18a, be connected with adsorption element support 18b.Therefore the Joule heat that, results from the eddy current of adsorption element main part 18a mainly flows out from the above-below direction central portion of adsorption element main part 18a.Thus, the Temperature Distribution of adsorption element main part 18a becomes upper and lower symmetry, warpage that can the restrain adsorption article body 18a of portion.

Between adsorption element main part 18a and framework 11, there is gap, and can be along upper and lower both direction thermal deformation.Thus, adsorption element main part 18a is difficult for being offset up and down because of the variations in temperature of adsorption element main part 18a with respect to the center of framework 11.

In addition, the adsorption element support 18b of present embodiment is connected with the above-below direction central portion of adsorption element main part 18a, but link position can be varied, and for example adsorption element support 18b can be connected with the bottom of adsorption element main part 18a.

As shown in Figures 1 and 2, connecting member 19 can and connect to by a plurality of auxiliary rod 19a of portion, 19b the auxiliary rod linking part 19c relatively rotating freely by a plurality of auxiliary rod 19a of portion, 19b and forms.Auxiliary rod linking part 19c for example forms by hinge-connection is first-class.Also can replace knuckle joint with bearing.The pivot center of auxiliary rod linking part 19c is for example made as parallel with left and right directions (in Fig. 1 and Fig. 2 aspect) vertical with paper.If turning moment that can dynamic pressure plate 13 is passed to connecting member 19, a plurality of auxiliary rod 19a of portion, 19b relatively rotate and absorb turning moment centered by the pivot center of auxiliary rod linking part 19c.Thus, can suppress turning moment towards the transmission of adsorption element 18, and can restrain adsorption parts 18 with respect to the inclination of framework 11.

A plurality of elastomers 40 suppress the inclination of the adsorption plane of rear fender 15 and the adsorption plane of adsorption element 18.A plurality of elastomers 40 are installed on for example rear fender 15, separated with adsorption element 18 and become natural length as shown in Figure 2 when die sinking finishes.If in mold closing operation midway, elastomer 40 further carries out mold closing after contacting with adsorption element 18, elastomer 40 elastic shrinkage, and the elastic recovering force of elastomer 40 is to adsorption element 18 and the direction that rear fender 15 is separated are had an effect.When the adsorption plane of rear fender 15 and the adsorption plane of adsorption element 18 tilt, the elastic recovering force of elastomer 40 that is equipped on the interval stenosis between adsorption plane is stronger, be equipped on the wider place, interval between adsorption plane elastomer 40 elastic recovering force a little less than.Thus, compare and there is no the situation of elastomer 40, adsorption plane inclination is each other inhibited, and adsorption plane interval each other becomes evenly, so the balance and stability of mold clamping force.

As shown in Figure 1, Figure 2 and Figure 3, a plurality of elastomers 40 can by link can dynamic pressure plate 13 with the connecting member 19 of adsorption element 18 centered by balanced configuration.To transmit centered by the connecting member 19 of mold clamping force, adsorption plane interval each other becomes evenly, so mold clamping force acts on the cross section of connecting member 19 equably, can suppress the deflection deformation of connecting member 19.In addition, also can be when being provided with a plurality of connecting member 19, a plurality of elastomers 40 of balanced configuration centered by a plurality of connecting member 19 center.

As elastomer 40, can use for example helical spring.Elastomer 40 can be formed by the nonmagnetic substance that can not adsorbed by electromagnet 25.As helical spring nonmagnetic substance, can enumerate nonmagnetic metal (such as non-magnetic stainless steel, aluminium, copper, titanium), pottery (such as metal oxide, metal nitride, metal carbides, carbon) etc.

In addition, the elastomer 40 of present embodiment is installed on rear fender 15 and freely contact separated with adsorption element 18, but also can be installed on adsorption element 18 and freely contact separated with rear fender 15.And elastomer also can be mounted to can not the two separates with rear fender 15 and adsorption element 18.

Adsorption element 18 has the elastic recovering force adjustment part 50 that the adsorption element 18 when elastomer 40 is started to strain is adjusted with respect to the position of framework.Elastic recovering force adjustment part 50 for example consists of pad, and in the sheet number with pad and position corresponding to thickness, adsorption element 18 contacts with elastomer 40, and elastomer 40 starts strain.With a plurality of elastomers 40, a plurality of elastic recovering forces adjustment part 50 is set accordingly.

In addition, the elastic recovering force adjustment part 50 of present embodiment is arranged at adsorption element 18, but also can be arranged at rear fender 15.And, although the elastic recovering force adjustment part 50 of present embodiment consists of pad, also can be formed by telescopic driver etc.

Then, with reference to figure 5 and Fig. 6, a plurality of elastomeric variation are described.In the elastomer of above-mentioned embodiment, use helical spring, with respect to this, the elastomer of this variation is being used existence difference in leaf spring this point.Below, mainly for difference, describe.

The figure of the state of the elastomer that Fig. 5 means variation of the present invention when mold closing finishes.And, the figure of the state of the elastomer that Fig. 6 means variation of the present invention when die sinking finishes

The elastomer 140 of this variation consists of leaf spring, and is installed on adsorption element 118.On the adsorption plane of adsorption element 118, be formed with recess 141, elastomer 140 is crossed over recess 141.On the other hand, on the adsorption plane of rear fender 115, be formed with and press elastomer 140 so that it is inserted in the protuberance 142 in recess 141.

As shown in Figure 6, when die sinking finishes, protuberance 142 is separated with elastomer 140, and elastomer 140 becomes tabular.If in mold closing operation midway, protuberance 142 further carries out mold closing after contacting with elastomer 140, elastomer 140 elastic deflections, a part for elastomer 140 is pressed in recess 141, and the elastic recovering force of elastomer 140 is to adsorption element 118 and the direction that rear fender 115 separates are had an effect.When the adsorption plane of adsorption element 118 and the inclination of the adsorption plane of rear fender 115, the elastic recovering force of elastomer 140 that is equipped on the interval stenosis between adsorption plane is stronger, be equipped on the wider place, interval between adsorption plane elastomer 140 elastic recovering force a little less than.Thus, compare and there is no the situation of elastomer 140, adsorption plane inclination is each other inhibited, and adsorption plane interval each other becomes evenly, so the balance and stability of mold clamping force.

Therefore elastomer 140 is leaf spring, compares thinlyyer with helical spring, is easily equipped on adsorption plane each other.By setting each other elastomer 140 at adsorption plane, easily make adsorption plane each other every becoming even.

Elastomer 140 can be formed by the nonmagnetic substance that can not adsorbed by electromagnet.As the nonmagnetic substance of leaf spring, can enumerate nonmagnetic metal (such as non-magnetic stainless steel, aluminium, copper, titanium) etc.

On the other hand, protuberance 142 can be formed by magnetic materials such as iron.When mold closing finishes, protuberance 142 is inserted in recess 141, and when matched moulds, can reduce the magnetic resistance of the magnetic circuit that comprises electromagnet.

In addition, recess 141 also can be contrary with the configuration of protuberance 142.Be the adsorption plane that recess can be formed at rear fender, and protuberance can be formed at the adsorption plane of adsorption element.Now, the elastomer consisting of leaf spring is installed on rear fender to cross over the mode of the recess of rear fender.

Rear fender 115 has the elastic recovering force adjustment part 150 that the adsorption element 118 when elastomer 140 is started to strain is adjusted with respect to the position of framework.Elastic recovering force adjustment part 150 for example consists of pad, and is installed between protuberance 142 and rear fender 115.In the sheet number with pad and position corresponding to thickness, protuberance 142 contacts with elastomer 140, and elastomer 140 starts strain.The magnetic resistance of the magnetic circuit when reducing matched moulds, pad can be formed by magnetic materials such as iron.Be provided with accordingly a plurality of elastic recovering forces adjustment part 150 with a plurality of elastomers 140.

In addition, the elastic recovering force adjustment part 150 of present embodiment is arranged at rear fender 115, but also can be arranged at adsorption element 118.

Above, the embodiment of injection (mo(u)lding) machine is illustrated, but the present invention is not defined in above-mentioned embodiment, in the scope of the purport of recording, can carries out various distortion and improvement in the scope of technical scheme.

For example, the elastomer of above-mentioned embodiment is helical spring or leaf spring, as long as but there is elasticity, can be air spring, rubber etc.

And, link above-mentioned embodiment can dynamic pressure plate and the connecting member of adsorption element be 1, but also can be a plurality of.And the connecting member of above-mentioned embodiment consists of a plurality of auxiliary rod portions and auxiliary rod linking part, but also can be formed by 1 bar.

Claims (2)

1. an injection (mo(u)lding) machine, it possesses:
The 1st fixed part, is provided with cover half;
The 1st movable member, is provided with dynamic model;
The 2nd movable member moves together with described the 1st movable member; And
The 2nd fixed part, is equipped between described the 1st movable member and described the 2nd movable member,
By described the 2nd fixed part and described the 2nd movable member, formed the mold clamping force generating unit that produces mold clamping force by the absorption affinity of electromagnet,
Described injection (mo(u)lding) machine possesses a plurality of elastomers of the inclination that suppresses the adsorption plane of described the 2nd fixed part and the adsorption plane of described the 2nd movable member.
2. injection (mo(u)lding) machine according to claim 1, wherein,
Described a plurality of elastomer comprises leaf spring.
CN201410059688.0A 2013-03-29 2014-02-21 Injection molding machine CN104070649A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2013072870A JP2014195960A (en) 2013-03-29 2013-03-29 Injection molding machine
JP2013-072870 2013-03-29

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Publication Number Publication Date
CN104070649A true CN104070649A (en) 2014-10-01

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Application Number Title Priority Date Filing Date
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CN (1) CN104070649A (en)
TW (1) TW201436985A (en)

Citations (4)

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Publication number Priority date Publication date Assignee Title
JP2008114536A (en) * 2006-11-07 2008-05-22 Sumitomo Heavy Ind Ltd Mold clamping device
CN102211388A (en) * 2010-04-08 2011-10-12 宁波海天华远机械有限公司 Electromagnetic mold clamping mechanism of injection molding machine
CN102615742A (en) * 2011-01-31 2012-08-01 住友重机械工业株式会社 Mold clamping device
JP2012158025A (en) * 2011-01-31 2012-08-23 Sumitomo Heavy Ind Ltd Molding machine

Family Cites Families (4)

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Publication number Priority date Publication date Assignee Title
AT397228B (en) * 1991-09-12 1994-02-25 Engel Gmbh Maschbau Injection molding machine
JP3190600B2 (en) * 1997-07-09 2001-07-23 住友重機械工業株式会社 Mold clamping device
JP3469068B2 (en) * 1997-11-18 2003-11-25 住友重機械工業株式会社 Mold clamping device
JP4021815B2 (en) * 2003-07-10 2007-12-12 住友重機械工業株式会社 Clamping device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008114536A (en) * 2006-11-07 2008-05-22 Sumitomo Heavy Ind Ltd Mold clamping device
CN102211388A (en) * 2010-04-08 2011-10-12 宁波海天华远机械有限公司 Electromagnetic mold clamping mechanism of injection molding machine
CN102615742A (en) * 2011-01-31 2012-08-01 住友重机械工业株式会社 Mold clamping device
JP2012158025A (en) * 2011-01-31 2012-08-23 Sumitomo Heavy Ind Ltd Molding machine
JP2012158079A (en) * 2011-01-31 2012-08-23 Sumitomo Heavy Ind Ltd Mold clamping device

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TW201436985A (en) 2014-10-01

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