CN201437268U - Improved injection mold - Google Patents
Improved injection mold Download PDFInfo
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- CN201437268U CN201437268U CN2009201617183U CN200920161718U CN201437268U CN 201437268 U CN201437268 U CN 201437268U CN 2009201617183 U CN2009201617183 U CN 2009201617183U CN 200920161718 U CN200920161718 U CN 200920161718U CN 201437268 U CN201437268 U CN 201437268U
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- moving platen
- shaping mold
- mold cavity
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Abstract
The utility model relates to an improved injection mold which comprises a fixed mold plate, a plurality of movable mold plates, a forming mold cavity and a mold-closing/mold-unloading mechanism matched with the fixed mold plate, the movable mold plates and the forming mold cavity; injection molding channels which are communicated with each other are respectively arranged on the fixed mold plate and the movable mold plates; the injection molding channels are communicated with the forming mold cavity; the forming mold cavity comprises a plurality of first forming mold cavities formed by the fixed mold plate and the movable mold plates, or a plurality of second forming mold cavities and a plurality of first forming mold cavities formed by the movable mold plates; and cooling channels are formed on the bodies of the fixed mold plate and the movable mold plates. In the utility model, the number of the movable mold plates is increased; and the movable mold plates are sequentially arranged so as to form a plurality of injection mold cavities, therefore, the purpose that a plurality of elements can be produced by injecting molding with one mold is achieved; and the injection molding of large-sized products, especially for the products with larger widths and larger lengths, can be realized through the structure.
Description
Technical field
The utility model relates to a kind of injection mold, particularly a kind of improved injection mold.
Background technology
In the existing injection mold,, in a secondary mould, offer a plurality of shaping mold cavities, realize many of mould notes in order to improve the production efficiency of mould.But an existing mould is annotated many injection mold, need a plurality of shaping mold cavities be set in the principle area, and the size of each shaping mold cavity is restricted, and it is little to inject size, the product that thickness is big.Want many of mould notes and length and width size product bigger, that approach then can't realize.
As State Intellectual Property Office in Granted publication on May 5th, 1999; the patent No. is 97242417.2; name is called in the utility model patent of " annotates many mould of plastics "; a kind of mould of plastics is specifically disclosed; by cope match-plate pattern; support; die bottom plate; die cavity body piece; cavity block; the mouth mode slider; the I shape scraping wings; core fixing plate; core and lower bolster etc. are formed; between cope match-plate pattern and mould sole piece, be equipped with the hot flow path assembly; logical cast gate before the sprue in the hot flow path; the logical branch flow passage in back; in mould, be shaped on the pipe die cavity more than 2 or 2; branch flow passage links to each other with the pipe die cavity, between core fixing plate and support in the peace Angle Pin.The utility model realizes that a mould goes out a plurality of notes spares, the production efficiency height, and production assurance has solved one and has annotated many difficult problems.
In this patent scheme, annotate many though realized a mould, improved production efficiency.But because it is provided with a plurality of shaping mold cavities on template, cause the area of each shaping mold cavity to be restricted, can't inject large-sized product.The bigger product of length and width size particularly.
At present, the mould of can a mould annotating many is in the limited area of active and inactive mold plate a plurality of shaping mold cavities to be set basically, and this just causes the large scale product can't injection moulding, and size is restricted.And want injection moulding large scale product, then to strengthen the volume of whole injection mold accordingly.No matter this installs in manufacturing cost, transportation, operation is controlled and the aspects such as pressure requirement of the injection molding channel of injection mold own all can produce problems accordingly.
In addition, annotate many injection mold for an existing mould, because injection molding channel is long, after the demoulding, the waste material head of generation is more.Wasted raw material, the raw material that uses when its properties of product are than first time injection moulding after these expense stub bar secondary recovery utilizations is compared relatively poor, has reduced the performance and the quality of product.
The utility model content
In order to solve above-mentioned problems of the prior art, the utility model provides a kind of improved injection mold.A plurality of moving platens are set, arrange each other with solid plate and form multilayer, multimode cavity structure.Realize many of mould notes with this, realize the production of large scale product.
The main technical schemes that the utility model adopts is: a kind of improved injection mold; comprise solid plate; moving platen; shaping mold cavity; matched moulds/the mould emptier that matches with described solid plate and moving platen and shaping mold cavity; described solid plate and moving platen are provided with the injection molding channel that is interconnected; described injection molding channel is connected with shaping mold cavity; it is characterized in that: the quantity of described moving platen is a plurality of; described shaping mold cavity comprises a plurality of first shaping mold cavities that formed with a plurality of described moving platens respectively by described solid plate, has coolant flow channel on the body of described solid plate and moving platen.
The utility model also adopts following attached technical scheme: described shaping mold cavity also comprises by a plurality of second shaping mold cavities that form between described a plurality of moving platens.
Be arranged in order between described a plurality of moving platen, form described second shaping mold cavity between the adjacent moving platen, be positioned at outermost moving platen and also arrange, form described first shaping mold cavity with described solid plate;
The quantity of described moving platen is 2, be respectively first moving platen and second moving platen, be arranged in order between described solid plate, first moving platen and second moving platen, form described first shaping mold cavity between described first moving platen and the solid plate, form described second shaping mold cavity between described first moving platen and second moving platen;
Described matched moulds/mould emptier comprises travel mechanism and the mould emptier that matches; Described travel mechanism comprises the slide bar that is fixed on the described solid plate, and described slide bar matches with described first moving platen and second moving platen; Described mould emptier comprises ejecting mechanism and pulling mechanism, described ejecting mechanism comprises movably top board and the push rod of being located on the described top board, described push rod is corresponding with described shaping mold cavity to enter or leaves described shaping mold cavity under the drive of described pulling mechanism, described pulling mechanism comprises the guide rod and the guide pin bushing of the socket of sliding mutually, one end of described guide pin bushing is fixed on the described top board, and described guide rod and guide pin bushing match with described solid plate, first moving platen and second moving platen;
Described first moving platen and second moving platen have through hole or sliding sleeve are installed, described slide bar and described through hole or sliding sleeve are slidingly matched described first moving platen and second moving platen are slided along described slide bar, the front end edge of described slide bar radially is provided with or is extended with baffle plate, and the diameter of described baffle plate is less than or equal to the diameter of through hole in described second moving platen or sliding sleeve greater than the diameter of through hole or sliding sleeve in described first moving platen;
Described ejecting mechanism is 2, be respectively first ejecting mechanism and second ejecting mechanism, described first ejecting mechanism is arranged in described solid plate, described second ejecting mechanism is arranged in described second moving platen, and an end of described guide pin bushing is fixedlyed connected with the top board in described first ejecting mechanism, the other end stretches into described first moving platen and second moving platen and its inner chamber and radially is provided with or is extended with step surface; One end of described guide rod is provided with the baffle plate corresponding with described step surface, the other end is fixed on described second moving platen and moves in described guide pin bushing with moving of second moving platen;
Described solid plate has first cavity, top board in described first ejecting mechanism is positioned at described first cavity and moves at described first cavity under the drive of described pulling mechanism, and the push rod in described first ejecting mechanism passes that described solid plate is corresponding with described first shaping mold cavity to enter or leave described shaping mold cavity under the described drive that spurs mechanism; Described second moving platen has second cavity, top board in described second ejecting mechanism is arranged in described second cavity and corresponding with the fore-set of the injection machine that connects with injection mold, and the push rod in described second ejecting mechanism passes under the leaning of described second moving platen and the corresponding fore-set in described injection machine of described second shaping mold cavity and enters described shaping mold cavity, leaves described shaping mold cavity under the effect of described drag link mechanism;
Described injection molding channel comprises sprue, X-shaped runner and branch flow passage, described solid plate has described sprue and the X-shaped runner that is connected, described first moving platen runs through has described branch flow passage, described X type runner is communicated with described first shaping mold cavity and sprue, and described branch flow passage is communicated with described first shaping mold cavity and second shaping mold cavity;
The quantity of described moving platen is 3, be respectively first moving platen, second moving platen and the 3rd moving platen, be arranged in order between described solid plate, first moving platen, second moving platen and the 3rd moving platen, form described first shaping mold cavity between described first moving platen and the solid plate, form 2 described second shaping mold cavities between described first moving platen and second moving platen and between second moving platen and the 3rd moving platen respectively;
Described matched moulds/mould emptier comprises travel mechanism and the mould emptier that matches; Described travel mechanism comprises first slide bar that matches with described solid plate, first moving platen and second moving platen and second slide bar that matches with described first moving platen, second moving platen and the 3rd moving platen; described mould emptier comprises ejecting mechanism and pulling mechanism; described ejecting mechanism matches with described first shaping mold cavity and second shaping mold cavity, and described pulling mechanism comprises guide rod and the guide pin bushing that matches with described solid plate, first moving platen, second moving platen and the 3rd moving platen.
Described first shaping mold cavity and second shaping mold cavity are the straight-flanked ring structure, the length in the described straight-flanked ring outside between 200mm to 1000mm, width is between 100mm to 800mm, the length of described straight-flanked ring inboard between 150mm to 800mm, width between 50mm to 600mm, the thickness of described straight-flanked ring is between 5mm to 30mm.
The beneficial effect that a kind of improved injection mold that adopts the utility model to provide brings is: (1) solid plate and first moving platen, second moving platen are arranged in order, between the solid plate and first moving platen, form first shaping mold cavity, between first moving platen and second moving platen, form second shaping mold cavity.Realize many of mould notes by first shaping mold cavity and second shaping mold cavity.Certainly, according to needs of production, can increase the 3rd moving platen, the 4th moving platen accordingly and be arranged in order, realize that by the 3rd shaping mold cavity, the 4th shaping mold cavity that form between second moving platen and the 3rd moving platen, the 3rd moving platen and the 4th moving platen one annotates four.Structure can increase by a mould and annotate many quantity by the quantity that increases moving platen according to this.Autgmentability is good.Owing to form a plurality of injection moulding die cavitys by increasing template, on a template, can offer a shaping mold cavity like this, the size of shaping mold cavity can be done greatly, satisfy the production of large scale product with this.The particularly production of the larger-size product of length and width.(2) injection molding channel of the present utility model comprises the branch flow passage of being located on second moving platen, and branch flow passage runs through second moving platen and is communicated with first shaping mold cavity and second shaping mold cavity, because the thickness of second moving platen is not thick, makes the length of branch flow passage shorter.In the final products of the demoulding, smaller like this by the stub bar that branch flow passage forms, reduced feed back.Because the use feed back product of injection moulding once more has difference with the product that uses the raw material injection moulding on performance.Therefore, reduced feed back, the also raw-material consumption of just corresponding reduction has reduced production cost.Equally, the structure of X-shaped is on the basis of the first shaping mold cavity feed satisfying in the X-shaped runner, has reduced the feed back amount as much as possible.(3) in the scheme of the another kind of injection mold that the utility model provides, moving platen is around the solid plate setting.Be located at 4 shaping mold cavities of 4 sides formation of 2 shaping mold cavities of both sides formation of solid plate or the solid plate that moving platen is positioned at rectangle as moving platen.This scheme also can realize many of mould notes, and solid plate independently matches with each moving platen respectively by matched moulds/mould emptier, and syndeton is simple.
Description of drawings
Fig. 1 is the three-dimensional structural scheme of mechanism of the utility model injection mold;
Fig. 2 is the perspective view under another visual angle of the utility model injection mold;
Fig. 3 is the schematic perspective view after cutting open along the A-A face among Fig. 2;
Fig. 4 is the schematic perspective view after cutting open along the B-B face among Fig. 2;
Fig. 5 is the cutaway view of C-C among Fig. 1;
Fig. 6 is the step surface cutaway view of D-D among Fig. 1;
Fig. 7 is an E-E cutaway view among Fig. 1;
Fig. 8 is the structural representation sketch of injection molding channel in the utility model injection mold;
Fig. 9 is the structural representation of the utility model second embodiment, and emphasis illustrates the structure of 3 moving platens, and matched moulds/demolding structure;
Figure 10 is the structural representation of mould emptier among the utility model second embodiment.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed description:
Extremely shown in Figure 10 as Fig. 1; a kind of improved injection mold that provides for the utility model; comprise solid plate 1; moving platen; shaping mold cavity; matched moulds/the mould emptier that matches with described solid plate 1 and moving platen and shaping mold cavity; described solid plate 1 and moving platen are provided with the injection molding channel that is interconnected; described injection molding channel is connected with shaping mold cavity; the quantity of described moving platen is a plurality of; described shaping mold cavity comprises a plurality of first shaping mold cavities 4 that formed with a plurality of described moving platens respectively by described solid plate 1, has coolant flow channel b on the body of described solid plate 1 and moving platen.
On the basis of such scheme, described shaping mold cavity also comprises by a plurality of second shaping mold cavities 5 that form between described a plurality of moving platens.
The utility model provides first embodiment based on such scheme., be arranged in order between described a plurality of moving platens to shown in Figure 8 as Fig. 1, form described second shaping mold cavity 5 between the adjacent moving platen, be positioned at outermost moving platen and also arrange, form described first shaping mold cavity 4 with described solid plate 1.
In the present embodiment, extremely shown in Figure 7 as Fig. 1, the quantity of described moving platen is 2, be respectively first moving platen 2 and second moving platen 3, be arranged in order between described solid plate 1, first moving platen 2 and second moving platen 3, form described first shaping mold cavity 4 between described first moving platen 2 and the solid plate 1, form described second shaping mold cavity 5 between described first moving platen 2 and second moving platen 3.
In the present embodiment, being provided with 2 moving platens and solid plate 1 is arranged in order.Wherein form between first moving platen 2 and the solid plate 1 and form second shaping mold cavity 5 between first shaping mold cavity 4, first moving platen 2 and second moving platen 3.Formed first shaping mold cavity 4 and second shaping mold cavity 5 have been realized many of mould notes.And first shaping mold cavity 4 and second shaping mold cavity 5 are by forming between independent solid plate 1 and first moving platen 2, second moving platen 3.Described first shaping mold cavity 4 and second shaping mold cavity 5 are the straight-flanked ring structure, inject the frame-shaped product of hollow by this straight-flanked ring structure.The length in the described straight-flanked ring outside between 200mm to 1000mm, width between 100mm to 800mm, the length of described straight-flanked ring inboard between 150mm to 800mm, width between 50mm to 600mm, the thickness of described straight-flanked ring is between 5mm to 30mm.In the present embodiment, the length in the straight-flanked ring outside is that 420mm, width are 389mm, and the length of straight-flanked ring inboard is that 393mm, width are 362mm, and the thickness of straight-flanked ring is 10mm, and the outside of straight-flanked ring and the inboard width that forms are 13.5mm.Just behind the injection molded, the width of the frame of straight-flanked ring frame-shaped product is that 13.5mm, its thickness then are 10mm.
Because first shaping mold cavity 2 and second shaping mold cavity 3 can be done size greatly, therefore can satisfy the requirement of large scale product.
In the present embodiment, as Fig. 5, Fig. 6, shown in Figure 7, described matched moulds/mould emptier comprises travel mechanism and the mould emptier that matches.Described travel mechanism comprises the slide bar 6 that is fixed on the described solid plate 1, and described slide bar 6 matches with described first moving platen 2 and second moving platen 3.Described first moving platen 2 and second moving platen 3 have through hole, sliding sleeve a is installed in the through hole of first moving platen 2, sliding sleeve a in described slide bar 6 and described first moving platen 2 and the through hole a in second moving platen 3 are slidingly matched, described first moving platen 2 and second moving platen 3 are slided along described slide bar 6, the front end edge of described slide bar 6 radially is provided with or is extended with baffle plate 61, and the diameter of described baffle plate 61 is less than or equal to the diameter of through hole a in described second moving platen 3 greater than the diameter of sliding sleeve a in described first moving platen 2.Make first moving platen 2, second moving platen 3 in the process of sliding along slide bar 6, the diameter of sliding sleeve a is blocked the location less than the diameter of baffle plate 61 by slide bar 6 in first moving platen 2, stop to slide, and, make second moving platen 3 can continue to slide because the diameter of baffle plate 61 is less than or equal to the diameter of through hole a in second moving platen 3.Here the effect played of baffle plate 61 is when first moving platen 2 and second moving platen 3 slide with respect to solid plate 1, first moving platen 2 and second moving platen 3 is separated, the die sinking of first shaping mold cavity 4 and second shaping mold cavity 5 when forming the demoulding.
In first moving platen 2 that present embodiment provides, install the sliding sleeve a structure, also can in the through hole of second moving platen 3, be provided with sliding sleeve a is installed, slide bar 6 is slided in sliding sleeve a.In this structure, the diameter of baffle plate 61 is greater than the diameter that is installed in the sliding sleeve a on first moving platen 2, and be less than or equal to the diameter of the second moving platen upper sliding sleeve a, make first moving platen 2 and second moving platen 3 in the process of sliding, block location first moving platen 2, and make second moving platen 3 continue to slide.The same die sinking that realizes making solid plate 1, first moving platen 2, second moving platen 3 first shaping mold cavity 4 and second shaping mold cavity 5 in the process of the demoulding.The structure of sliding sleeve is than the structure of through hole, and is more smooth and easy with being slidingly matched of slide bar 6, and it is littler to wear and tear.When reducing through hole and slide bar 6 and being slidingly matched to the attrition of moving platen.
As shown in Figure 7; described mould emptier comprises ejecting mechanism and pulling mechanism; described ejecting mechanism comprises movably top board 7 and the push rod of being located on the described top board 7 71; described push rod 71 is corresponding with described shaping mold cavity to enter or leaves described shaping mold cavity under the drive of described pulling mechanism; described pulling mechanism comprises the guide rod 81 and the guide pin bushing 82 of the socket of sliding mutually; one end of described guide pin bushing 82 is fixed on the described top board 7, and described guide rod 81 and guide pin bushing 82 match with described solid plate 1, first moving platen 2 and second moving platen 3.
In the present embodiment, described ejecting mechanism is 2, is respectively first ejecting mechanism and second ejecting mechanism.
Wherein, described first ejecting mechanism is arranged in described solid plate 1.Described solid plate 1 has first cavity 11, and the top board 7 in described first ejecting mechanism is positioned at described first cavity 11 and is mobile at described first cavity 11 under the drive of described pulling mechanism.One end of described guide pin bushing 82 is fixedlyed connected with the top board 7 in described first ejecting mechanism, the other end stretches into described first moving platen 2 and second moving platen 3 and its inner chamber and radially is provided with or is extended with step surface 821, sees shown in Figure 7.One end of described guide rod 81 is provided with baffle plate 811, the other end corresponding with described step surface 821 and is fixed on described second moving platen 3 mobile described guide pin bushing 82 in moving of second moving platen 3.Push rod 71 in described first ejecting mechanism passes that described solid plate 1 is corresponding with described first shaping mold cavity 4 to enter or leave described first shaping mold cavity 4 under the drive of described pulling mechanism.
When the injection mold demoulding, first moving platen 2, second moving platen 3 move along slide bar 6, and behind first moving platen 2 of the baffle plate 61 engaging location of slide bar 6 one ends, first moving platen 2 stops to move, and this moment second, moving platen 3 was thrown off slide bar 6, continued to move.Second moving platen 3 that continues to move drives guide rod 81 and slides in guide pin bushing 82, when an end of second moving platen, 3 drive guide rods 81 slides into an end of guide pin bushing 82, baffle plate 811 on the guide rod 81 fastens with the step surface of being located in the guide pin bushing 82 821, this moment then can drive guide rod 81 when 3 continuation of second moving platen are mobile and guide pin bushing 82 together moves, because an end of guide pin bushing 82 is fixedlyed connected with the top board 7 in first cavity 11, this can drive top board 7 and and then move together.The push rod 71 that is fixed on the top board 7 will be with described first shaping mold cavity 4 of moving into of top board 7, thereby backs down the product in first shaping mold cavity 4, realizes the demoulding.
Described second ejecting mechanism is arranged in described second moving platen 3, described second moving platen 3 has second cavity 31, top board 7 in described second ejecting mechanism is positioned at described second cavity 31, and corresponding with the fore-set in the injection machine that connects with injection mold, the push rod 71 in described second ejecting mechanism passes under the leaning of described second moving platen 3 and described second shaping mold cavity, 5 corresponding fore-sets in described injection machine and enters described second shaping mold cavity 5, leaves described second shaping mold cavity 5 under the effect of described drag link mechanism.Second moving platen 3 has the through hole 32 that is communicated with second cavity 31, and injection mold can be connected with injection machine in actual production, provides material feeding by injection machine.Be provided with fore-set in the injection machine, when second moving platen 3 moves, fore-set in the injection machine is entered by the through hole 32 on second moving platen 3 and leans the top board 7 that is positioned at cavity 31 in the cavity 31, and then the push rod 71 that drives on the top board 7 enters second shaping mold cavity 5, back down the product in second shaping mold cavity 5, realize the demoulding.
After the demoulding was finished, injection mold carried out matched moulds.This moment, second moving platen 3 at first back moved, and made sliding sleeve a on its body reenter in the slide bar 6 and drive first moving platen 2 and together back moved.The baffle plate 811 that is fixed in this process on the guide rod 81 on second moving platen 3 is thrown off back mobile with the step surface 821 on the guide pin bushing 82.Afterwards, second moving platen 3 and first moving platen 2 continue back to move, and first moving platen 2 contacts with solid plate 1, and the alignment pin 10 that be located on first moving platen 2 this moment stretches in the locating hole of being located on second moving platen 3.Second moving platen 3 that continues back to move can lean guide pin bushing 82, and guide pin bushing 82 is back moved.Because guide pin bushing 82 fixedlys connected with the top board 7 that is arranged in first cavity 11, and then drive that top board 7 is back mobile to regain the push rod 71 on the top board 7 from first shaping mold cavity 4.And then, the guide rod 81 that second moving platen 3 that continues to move drives on the top board 7 that is fixed in second cavity 31 moves, the front end of guide rod 81 is leaned on solid plate 1, when 3 continuation of second moving platen are mobile, 81 of guide rods can leave second shaping mold cavity 5 thereby make top board 7 back move drive push rod 71 toward returning back to top top board 7.So far, the whole matched moulds process of injection mold is finished, afterwards by injection machine by the material feeding in first shaping mold cavity 4 and second shaping mold cavity 5 of sprue 91, X-shaped runner 92 and branch flow passage 93, matched moulds/demoulding so circulates.Realize many of mould notes.
In the present embodiment, as Fig. 6, shown in Figure 8, have coolant flow channel b on the body of solid plate 1, first moving platen 2 and second moving platen 3 of injection mold.Play effect to the cooling of the material feeding in first shaping mold cavity 4, second shaping mold cavity 5.In addition, alignment pin 10 diameters of mentioning in the present embodiment are greater than the diameter of the locating hole corresponding with it, and making alignment pin 10 and locating hole is the structure of interference fit.This structure makes in the process of the injection mold demoulding, because the tension force of alignment pin 10, first moving platen 2 is together moved with second moving platen 3 and does not separate, and at first separates with solid plate 1, separates with second moving platen 3 more afterwards.Make the process of the whole demoulding orderly, smooth and easy.The product stripping unanimity.
In the present embodiment, as Fig. 6, shown in Figure 8, described injection molding channel comprises sprue 91, X-shaped runner 92 and branch flow passage 93, described solid plate 1 has described sprue 91 and the X-shaped runner 92 that is connected, described first moving platen 2 runs through has described branch flow passage 93, described X type runner 92 is communicated with described first shaping mold cavity 4 and sprue 91, and described branch flow passage 93 is communicated with described first shaping mold cavity 4 and second shaping mold cavity 5.Branch flow passage 93 runs through second moving platen 3 and is communicated with first shaping mold cavity 4 and second shaping mold cavity 5, because the thickness of second moving platen 3 is not thick, makes the length of branch flow passage 93 shorter.In the final products of the demoulding, smaller like this by the stub bar that branch flow passage 93 forms, reduced the amount of feed back.Because there is difference in the use feed back product of injection moulding once more with the product that uses the raw material injection moulding on performance.Therefore, reduce the feed back amount, also just reduced raw-material consumption accordingly, reduced production cost.Equally, the structure of X-shaped is on the basis of the first shaping mold cavity feed satisfying in the X-shaped runner, has also reduced the feed back amount as much as possible.
As Fig. 9 to shown in Figure 10, second embodiment that provides for the utility model.In this embodiment, the quantity of described moving platen is 3, be respectively first moving platen 2, second moving platen 3 and the 3rd moving platen 101, be arranged in order between described solid plate 1, first moving platen 2, second moving platen 3 and the 3rd moving platen 101, form described first shaping mold cavity 4 between described first moving platen 2 and the solid plate 1, form 2 described second shaping mold cavities 5 between described first moving platen 2 and second moving platen 3 and between second moving platen 3 and the 3rd moving platen 101 respectively.Described matched moulds/mould emptier comprises travel mechanism and the mould emptier that matches; Described travel mechanism comprises first slide bar 6 that matches with described solid plate 1, first moving platen 2 and second moving platen 3 and second slide bar 6 ' that matches with described first moving platen 2, second moving platen 3 and the 3rd moving platen 101; described mould emptier comprises ejecting mechanism and pulling mechanism; described ejecting mechanism matches with described first shaping mold cavity 4 and second shaping mold cavity 5, and described pulling mechanism comprises guide rod 81 and the guide pin bushing 82 that matches with described solid plate 1, first moving platen 2, second moving platen 3 and the 3rd moving platen 101.
As shown in Figure 9, an end of first slide bar 6 is fixed on the solid plate 1.The other end passes first moving platen 2 and second moving platen, 3, the first moving platens 2 and second moving platen 3 and slides along first slide bar 6.One end of second slide bar 6 ' is fixed in first moving platen 2, and the other end passes second moving platen 3 and the 3rd moving platen 101, and second moving platen 3 and the 3rd moving platen 101 are slided along second slide bar 6 '.The effect that first slide bar 6 and second slide bar 6 ' play is location first moving platen 2 and second moving platen 3 in the process of die sinking, stops to slide after making first moving platen 2 and second moving platen 3 slide into clamped position.
First moving platen 2 is provided with the step surface 21 that the baffle plate 61 with first slide bar, 6 front ends fastens specifically, and in the process that die sinking is moved, the step surface 21 of first moving platen, 2 front ends engages with baffle plate 61, makes first moving platen 2 stop to move.When the continuation die sinking is moved, first slide bar 6 from deviating from, and is fixed in second slide bar 6 ' on first moving platen 2 from second moving platen 3, and the baffle plate 61 of its front end can block the step surface 31 that continues second moving platen 3 that moves, thereby locate second moving platen 3, make second moving platen 3 stop to slide.Thereby the 3rd moving platen 101 continuation are afterwards moved and are separated with second moving platen 3.Thus, finish the whole demoulding and crossed in the kind die sinking of the die sinking of first moving platen 2 and second moving platen 3 and second moving platen 3 and the 3rd moving platen 101.
Ejecting mechanism comprises top board 7 and the push rod of being located on the top board 7 71.Identical with first embodiment.Ejecting mechanism comprises first ejecting mechanism and second ejecting mechanism.First ejecting mechanism is arranged in the cavity 11 of solid plate 1, and it is corresponding with first shaping mold cavity that push rod 71 passes solid plate 1.Second ejecting mechanism is arranged in the cavity 1011 of the 3rd moving platen 101, and it is corresponding with second shaping mold cavity that push rod 71 passes the 3rd moving platen 101.
In the present embodiment, different with first embodiment is that ejecting mechanism also comprises the 3rd ejecting mechanism.Described second shaping mold cavity that forms between first moving platen 2 and second moving platen 3 comes interoperation to realize the demoulding by the 3rd ejecting mechanism when the demoulding.Concrete structure is seen shown in Figure 10, and whole the 3rd ejecting mechanism comprises ejector pin 103, installation sleeve 102 and spring 104.In the body of being located at second moving platen 3 that whole the 3rd ejecting mechanism embeds.When injection mold is in the matched moulds state, ejector pin 103 is leaned by first moving platen 2 and is arranged in installation sleeve 102, when the injection mold demoulding, after first moving platen 2 separates with second moving platen 3, ejector pin 103 will eject from installation sleeve 102 under the elastic force effect of spring 104, and then the product in second shaping mold cavity is ejected the realization demoulding.In order to improve the efficient of the demoulding, respectively be provided with 2 the 3rd ejecting mechanisms in the both sides up and down of second moving platen 3.Totally 4, be distributed on 4 angles of second moving platen 3, and corresponding with 4 angles of second shaping mold cavity respectively.
In the present embodiment, pulling mechanism comprises guide rod 81 and guide pin bushing 82.At first moving platen 2, second moving platen 3 and the 3rd moving platen 101 sliding sleeve 82 is installed all, an end of guide rod 81 is fixed on the 3rd moving platen 101, and the other end passes the sliding sleeve 82 on first moving platen 2, second moving platen 3 and the 3rd moving platen 101.Entire work process when the demoulding is identical with first embodiment, repeats no more here.
Present embodiment provides the scheme of 3 moving platens.Form 4 layers of structure, totally 3 shaping mold cavities between the moving platen and between moving platen and the solid plate.Comprising 1 first shaping mold cavity and 2 second shaping mold cavities.Realize 3 products of 1 mould notes.Further improved production efficiency.And the like, 4 moving platens can also be set, form 5 layers of structure, totally 4 shaping mold cavities are realized 4 products of mould notes.Structure can increase by a mould and annotate many quantity by the quantity that increases moving platen according to this.Autgmentability is good.Owing to form a plurality of injection moulding die cavitys by increasing template, on a template, can offer a shaping mold cavity like this, the size of shaping mold cavity can be done greatly, satisfy the production of large scale product with this.The particularly production of the larger-size product of length and width.
Except above-mentioned 2 embodiment, the injection mold that the utility model provides also can adopt other structures to realize many of mould notes.As: as described in moving platen be 2, lay respectively at the both sides of solid plate 1, form 2 described first shaping mold cavities with solid plate 1.Or the quantity of moving platen is 4, and solid plate 1 is a cuboid, and 4 moving platens lay respectively at 4 sides of the solid plate of rectangle, form 4 first shaping mold cavities thus.Solid plate independently matches with each moving platen respectively by matched moulds/mould emptier, and syndeton is simple.
Claims (12)
1. improved injection mold; comprise solid plate (1); moving platen; shaping mold cavity; matched moulds/the mould emptier that matches with described solid plate (1) and moving platen and shaping mold cavity; described solid plate (1) and moving platen are provided with the injection molding channel that is interconnected; described injection molding channel is connected with shaping mold cavity; it is characterized in that: the quantity of described moving platen is a plurality of; described shaping mold cavity comprises a plurality of first shaping mold cavities (4) that formed with a plurality of described moving platens respectively by described solid plate (1), has coolant flow channel (b) on the body of described solid plate (1) and moving platen.
2. injection mold according to claim 1 is characterized in that: described shaping mold cavity also comprises by a plurality of second shaping mold cavities (5) that form between described a plurality of moving platens.
3. injection mold according to claim 2, it is characterized in that: be arranged in order between described a plurality of moving platens, form described second shaping mold cavity (5) between the adjacent moving platen, be positioned at outermost moving platen and also arrange, form described first shaping mold cavity (4) with described solid plate (1).
4. injection mold according to claim 3, it is characterized in that: the quantity of described moving platen is 2, be respectively first moving platen (2) and second moving platen (3), be arranged in order between described solid plate (1), first moving platen (2) and second moving platen (3), form described first shaping mold cavity (4) between described first moving platen (2) and the solid plate (1), form described second shaping mold cavity (5) between described first moving platen (2) and second moving platen (3).
5. injection mold according to claim 4 is characterized in that: described matched moulds/mould emptier comprises travel mechanism and the mould emptier that matches; Described travel mechanism comprises the slide bar (6) that is fixed on the described solid plate (1), and described slide bar (6) matches with described first moving platen (2) and second moving platen (3); Described mould emptier comprises ejecting mechanism and pulling mechanism; described ejecting mechanism comprises top board (7) movably and is located at push rod (71) on the described top board (7); described push rod (71) is corresponding with described shaping mold cavity to enter or leaves described shaping mold cavity under the drive of described pulling mechanism; described pulling mechanism comprises the guide rod (81) and the guide pin bushing (82) of the socket of sliding mutually; one end of described guide pin bushing (82) is fixed on the described top board, and described guide rod (81) and guide pin bushing (82) match with described solid plate (1), first moving platen (2) and second moving platen (3).
6. injection mold according to claim 5, it is characterized in that: described first moving platen (2) and second moving platen (3) have through hole or sliding sleeve are installed, described slide bar (6) is slidingly matched with described through hole or sliding sleeve described first moving platen (2) and second moving platen (3) is slided along described slide bar (6), the front end edge of described slide bar (6) radially is provided with or is extended with baffle plate (61), and the diameter of described baffle plate (61) is less than or equal to the diameter of through hole in described second moving platen (3) or sliding sleeve greater than the diameter of through hole in described first moving platen (2) or sliding sleeve.
7. injection mold according to claim 5, it is characterized in that: described ejecting mechanism is 2, be respectively first ejecting mechanism and second ejecting mechanism, described first ejecting mechanism is arranged in described solid plate (1), described second ejecting mechanism is arranged in described second moving platen (3), and an end of described guide pin bushing (82) is fixedlyed connected with the top board (7) in described first ejecting mechanism, the other end stretches into described first moving platen (2) and second moving platen (3) and its inner chamber radially are provided with or are extended with step surface (821); One end of described guide rod (81) is provided with baffle plate (811), the other end corresponding with described step surface (821) and is fixed on described second moving platen (3) mobile in described guide pin bushing (82) with moving of second moving platen (3).
8. injection mold according to claim 7, it is characterized in that: described solid plate (1) has first cavity (11), top board (7) in described first ejecting mechanism is positioned at described first cavity (11) and moves at described first cavity (11) under the drive of described pulling mechanism, and the push rod (71) in described first ejecting mechanism passes that described solid plate (1) is corresponding with described first shaping mold cavity (4) to enter or leave described first shaping mold cavity (4) under the described drive that spurs mechanism; Described second moving platen (3) has second cavity (31), top board (7) in described second ejecting mechanism is arranged in described second cavity (31) and corresponding with the fore-set of the injection machine that connects with injection mold, and the push rod (71) in described second ejecting mechanism passes under the leaning of described second moving platen (3) and the corresponding fore-set in described injection machine of described second shaping mold cavity (5) and enters described second shaping mold cavity (5), leaves described second shaping mold cavity (5) under the effect of described drag link mechanism.
9. injection mold according to claim 4, it is characterized in that: described injection molding channel comprises sprue (91), X-shaped runner (92) and branch flow passage (93), described solid plate (1) has described sprue (91) and the X-shaped runner (92) that is connected, described first moving platen (2) runs through has described branch flow passage (93), described X type runner (92) is communicated with described first shaping mold cavity (4) and sprue (91), and described branch flow passage (93) is communicated with described first shaping mold cavity (4) and second shaping mold cavity (5).
10. injection mold according to claim 3, it is characterized in that: the quantity of described moving platen is 3, be respectively first moving platen (2), second moving platen (3), with the 3rd moving platen (101), described solid plate (1), first moving platen (2), second moving platen (3), and the 3rd be arranged in order between the moving platen (101), form described first shaping mold cavity (4) between described first moving platen (2) and the solid plate (1), between described first moving platen (2) and second moving platen (3), and second form 2 described second shaping mold cavities (5) respectively between moving platen (3) and the 3rd moving platen (101).
11. injection mold according to claim 10 is characterized in that: described matched moulds/mould emptier comprises travel mechanism and the mould emptier that matches; Described travel mechanism comprises and described solid plate (1); first slide bar (6) that first moving platen (2) and second moving platen (3) match; and with described first moving platen (2); second slide bar (6 ') that second moving platen (3) and the 3rd moving platen (101) match; described mould emptier comprises ejecting mechanism and pulling mechanism; described ejecting mechanism matches with described first shaping mold cavity (4) and second shaping mold cavity (5), and described pulling mechanism comprises and described solid plate (1); first moving platen (2); guide rod (81) that second moving platen (3) and the 3rd moving platen (101) match and guide pin bushing (82).
12. injection mold according to claim 2, it is characterized in that: described first shaping mold cavity (4) and second shaping mold cavity (5) are the straight-flanked ring structure, the length in the described straight-flanked ring outside between 200mm to 1000mm, width is between 100mm to 800mm, the length of described straight-flanked ring inboard between 150mm to 800mm, width between 50mm to 600mm, the thickness of described straight-flanked ring is between 5mm to 30mm.
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CN2009201617183U CN201437268U (en) | 2009-07-13 | 2009-07-13 | Improved injection mold |
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CN2009201617183U CN201437268U (en) | 2009-07-13 | 2009-07-13 | Improved injection mold |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109559626A (en) * | 2018-11-07 | 2019-04-02 | 邹志琼 | A kind of teaching type injection mold |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109559626A (en) * | 2018-11-07 | 2019-04-02 | 邹志琼 | A kind of teaching type injection mold |
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