CN102700049A - Graded-mould-closing injection moulding machine and processing method thereof - Google Patents
Graded-mould-closing injection moulding machine and processing method thereof Download PDFInfo
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- CN102700049A CN102700049A CN2012101680906A CN201210168090A CN102700049A CN 102700049 A CN102700049 A CN 102700049A CN 2012101680906 A CN2012101680906 A CN 2012101680906A CN 201210168090 A CN201210168090 A CN 201210168090A CN 102700049 A CN102700049 A CN 102700049A
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Abstract
The invention relates to a graded-mould-closing injection moulding machine and a processing method of the graded-mould-closing injection moulding machine. The phenomena of burring and material shortage easily occur when the raw material with bad fluidity or the thin-walled product is used in the existing injection molding machines. The injection moulding machine comprises a base, a left mould plate, a right mould plate, a left mould, a right mould, a mould closing device, a mold locking device and an injecting device; the left mould is provided with an annular convex edge along the outer edge of a mould cavity; the right mould is provided with an annular concave edge along the outer edge of the mould cavity; the convex wall of the convex edge is bonded with the concave wall of the concave edge, the bonded overlapped section of the convex wall of the convex edge and the concave wall of the concave edge form a bonding sealing surface, so that a sealing transition overlapping surface is formed on the bonding surface of the left mould and the right mould before bonding, the injection work is finished by lower injection moulding pressure, then the bonding surfaces of the left mould and the right mould are bonded closely so as to fully fill the materials in the mould cavity, in this way, the phenomena of burring and material shortage of the product in the mould cavity caused by bad fluidity or small space in the mould cavity are reduced effectively, and the service life of the machine is greatly prolonged.
Description
Technical field
The invention belongs to the injection machine technical field, especially relevant with a kind of classification mold-closing injection machine and processing method thereof.
Background technology
In the known technology; Injection machine (general reference can fashion into the solid-state raw material that changes into nowed forming the equipment of reservation shape) comprises support, be placed in injection moulding apparatus on the support, laterally arrange and mold closing mechanism that the left template that can on support, move horizontally, right template and drive template move; Injection moulding apparatus is made up of injection cylinder pressure and a material tube that an inside is provided with the bar that shoots material usually; Be respectively equipped with left mould and right mould on the corresponding surface of said left template and right template; The chamber wall outer rim of said left mould and right mould is smooth binding face, on binding face, selects one at least and offers the caveli wall, and matched moulds forms die cavity; This binding face is vertically (vertical with the direction of folding mould, its structure such as Fig. 7 are said) usually.Injection machine is when operation; At first make left mould and right mould accomplish the action of folding mould and mould is located when the matched moulds station through clamping apparatus through mold closing mechanism; The injection machine of this structure makes the binding face of left mould and right mould once directly close up (applying) and puts in place; The die cavity that forms and processed product shape, volume are identical, and the binding face through two moulds seals applying each other and makes die cavity and extraneous spatial separation; Afterwards, utilize injection moulding apparatus, accomplish and through cooling device the raw material in the die cavity is lowered the temperature again after injecting raw material quantitative and be heated and soften into flowable raw material (like plastics) high pressure and inject die cavity; Make the raw material cooling forming; Open mould, take out module, realize injection moulding production.
There is following defective in known technology: because after the binding face of left mould and right mould fits tightly; Shape of product, volume after die cavity inner space and the injection moulding are complementary; Receive die cavity inner space size and the mobile influence of raw material; Products material is prone to produce the situation of burr and scarce material in injection process, especially the defective product rate is higher when producing the raw material of thin-wall product and use flowability difference.For this reason; Someone adopts the mode that improves injection pressure to deal with problems, and adopts this mode both can cause the load of clamping apparatus to increase, and then causes clamping apparatus impaired because of mechanical fatigue easily; Influence service life, also make injection moulding apparatus cause energy consumption bigger because of the raising of injection pressure.
Summary of the invention
In order to solve the deficiency of prior art, the present invention provides a kind of and can effectively reduce the injecting products burr and lack the material phenomenon to improve the classification mold-closing injection machine of product percent of pass.Another purpose of the present invention provides a kind of injection moulding processing method of two-step method classification matched moulds, under the prerequisite that does not increase energy consumption, improves the qualification rate of injecting products.
The present invention realizes in the following manner: a kind of classification mold-closing injection machine; Comprise support, be arranged on the support and the left template that can move in opposite directions and right template, respectively be installed in left mould and right mould on said left template and the right template, drive mold closing mechanism that left template and right template move, make the clamping apparatus of left template and right Template Location and press the injection moulding apparatus of annotating raw material in the die cavity between mould and right mould left; The said die cavity outer rim in said left mould upper edge is provided with collar flange; The said die cavity outer rim in said right mould upper edge is provided with the recessed edge of ring-type; The recessed edge wall of the flange walls of said flange and said recessed edge is fitted, and the overlay segment of its applying forms the applying sealing surface.Its binding face was the structure of a body plane when this programme had changed the existing mold matched moulds; Set up collar flange and the recessed edge that to fit each other in die cavity edges; Make the binding face of left mould and right mould that one sealing transition faying surface (form and peg graft or bridging arrangement) arranged before applying; Promptly mate applying each other through recessed edge wall and flange walls, between two moulds, form the die cavity of a sealing, the mold cavity volume of this moment is slightly larger than the processed product volume; Injection moulding apparatus only needs less pressure can accomplish material feeding work; After treating that the quantitative material identical with the converted products volume is injected into die cavity, the binding face of left and right sides mould is fitted closely, mold cavity volume is dwindled gradually and is final identical with the processed product volume.Form the applying sealing surface of a transition between left side mould and right mould; This applying sealing surface is laterally (parallel with folding mould direction) usually, form the sealing between the die cavity and the external world, and sealing effectiveness is superior to binding face longitudinally; And make material fill in die cavity; Effectively reduce raw material and cause product in die cavity, to produce burr and the phenomenon that lacks material because of flowability difference or die cavity space are less, in injection moulding process, do not increase load, effectively prolonged mechanical service life.
As preferably, said flange walls width and said recessed edge wall width are complementary, and this width is greater than the width of said applying sealing surface.The applying sealing surface is formed by flange walls and the overlapping applying of recessed edge wall, and its effective width depends on the less width in flange walls and the recessed edge wall, guarantees the sealing property of die cavity in its Volume Changes process.
As preferably, said injection moulding apparatus comprises the injection cylinder pressure and a material tube of a band feed rod, and said feed rod passes the material hole on right template and the right mould, and is communicated with said die cavity, is provided with a check valve between said feed rod and material hole.When the overlapping station of left mould and right mould matched moulds to non-applying, the injection cylinder pressure will quantitative raw material be pressed into feed rod and imports in the die cavity through the material hole that is communicated with feed rod; After material feeding is accomplished; The binding face of left and right sides mould is fitted closely, utilize the characteristics of the unidirectional conveying of check valve, prevent that effectively the raw material in the die cavity from overflowing because of mold cavity volume diminishes gradually; Guarantee that raw material is pushed each corner that is delivered to die cavity smoothly, effectively prevents burr and the phenomenon that lacks material.
As preferably, said left mould is provided with locating hole, and said right mould is provided with the alignment pin that cooperates with said locating hole.Die cavity between left side mould and right mould has born bigger pressure in the matched moulds process; Through being set, alignment pin and locating hole guarantee the closing precision of mould; Prevent that raw material from passing through to move the clearance leakage that produces because of the mould dislocation, also guarantee the accuracy when flange and recessed edge mutual dislocation are planted.
As preferably, the sidewall joint place of said left mould and right mould is equipped with the limit notch and the convexity of coupling.Pressure in the die cavity increases along with the distance shrinkage between two moulds, through setting up recess and convexity, guarantees mould also accurate matched moulds when bearing big pressure.
As preferably, be provided with cooling device in said left mould and the right mould.Cooling device temperature in the die cavity is higher and raw material that be flow regime cools, and quickens raw material and solidifies typing, is convenient to reduce the circulation folding mould time, increases work efficiency.
A kind of processing method of classification mold-closing injection machine; The injection machine of realizing said processing method comprises support, be arranged on the support and the left template that can move in opposite directions and right template, respectively be installed in left mould and right mould on said left template and the right template, drive mold closing mechanism that left template and right template move, make the clamping apparatus of left template and right Template Location and press the injection moulding apparatus of annotating raw material in the die cavity between mould and right mould left, said processing method is characterised in that:
At first, the operation mold closing mechanism makes said left template and right template do matched moulds motion in opposite directions and makes corresponding left mould and right mould move to the overlapping station of its flange and the applying of recessed edge;
Secondly, quantitatively material feeding in the die cavity that forms between mould and right mould left through injection moulding apparatus;
Once more, drive the conflict station that left mould and right mould matched moulds to the binding face of flange and recessed edge are fitted each other;
At last, after the cooling device cooling, operation mold closing mechanism die sinking is also taken out the material of moulding.
Injection machine is in operation process; The first step; Drive the overlapping station of left mould and right mould matched moulds to non-applying through mold closing mechanism; Leave certain interval between the binding face of left side mould and right mould, preferred gap is the 2-7 millimeter, forms an airtight die cavity more bigger than processed product volume between two templates; Second step; Through injection moulding apparatus will be with the processed product volume equivalent and raw material that be heated fluidisation inject die cavity; Because the raw material volume is less than the mold cavity volume of this moment, injection moulding apparatus only needs lower pressure to accomplish material feeding work, and broader cavity space helps raw material and flows; The 3rd step; Drive the conflict station that binding face that left mould and right mould continue matched moulds to flange and recessed edge is fitted each other through mold closing mechanism; Make mold cavity volume, shape between mould all be complementary with processed product; Raw material is lowered the temperature through cooling device, operates the mold closing mechanism die sinking again and takes out product, realizes injection moulding production.Change a step matched moulds operation of prior art into two step matched moulds operations, quantitative material is introduced into than in the bigger die cavity of processed product volume, the mould of fitting again fills in die cavity material, helps to improve the qualification rate of injecting products.In said process, left template can move for two-way with right mould with right template, left mould, also can move for one-sided, realizes the matched moulds process.
As preferably, when said left mould and right mould were in overlapping station, the distance between its binding face was the 2-10 millimeter.Distance between its binding face can be regulated variation according to the walled thickness of processed product or the flowability of fluidisation raw material.
Outstanding beneficial effect of the present invention: on the basis of existing injection machine conventional structure; Binding face smooth on the existing mold is changed into the binding face of die cavity outer rim flanged pin and recessed edge; Make the binding face of left mould and right mould that the overlapping applying sealing surface of one transition (form and peg graft or bridging arrangement) arranged before applying; And form an excessive die cavity more bigger than processed product volume; After accomplishing material feeding and matched moulds, between left mould and right mould, form the binding face of a bending, newly-increased transverse fit sealing surface can effectively improve the sealing between the die cavity and the external world.Another beneficial effect of the present invention is embodied in method and changes a step matched moulds operation of prior art into two step matched moulds operations; Quantitative material is introduced into than in the bigger die cavity of processed product volume; The mould of fitting again fills in die cavity material, and injection moulding apparatus only need just can inject die cavity with raw material by less pressure, and the raw material of mobile difference can be smooth and easy mobile in spacious die cavity; Effectively reduce the liquefaction raw material and cause its skewness and produce burr and the phenomenon that lacks material in die cavity because of the flowability difference; Both cut down the consumption of energy and cost, also reduced the load of clamping apparatus, prolonged mechanical service life.
Description of drawings
Cross section structure sketch map when Fig. 1 is in overlapping station for left-right template;
Cross section structure sketch map when Fig. 2 is in die opening state for left-right template;
Cross section structure sketch map when Fig. 3 is in the conflict station for left-right template;
Fig. 4 is a mold flanges wall construction sketch map;
Fig. 5 is the recessed edge wall construction of a mould sketch map;
Fig. 6 is annular products and corresponding mould structure sketch map thereof;
Fig. 7 is a mould structure sketch map of the prior art.
Among the figure: 1, support, 2, injection moulding apparatus, 3, left template, 4, right template, 5, left mould, 6, right mould; 7, die cavity, 8, clamping apparatus, 9, flange, 10, recessed edge, 11, flange walls, 12, recessed edge wall; 13, feed rod, 14, the injection cylinder pressure, 15, material tube, 16, material hole, 17, locating hole; 18, alignment pin, 19, recess, 20, convexity, 21, check valve, 22, binding face.
The specific embodiment
Below in conjunction with the Figure of description and the specific embodiment substantive distinguishing features of the present invention is further described.
A kind of classification mold-closing injection machine as shown in Figure 2; By support 1, be arranged on the support 1 and the left template 3 that can move in opposite directions and right template 4, respectively be installed in left mould 5 and right mould 6 on said left template 3 and the right template 4, drive mold closing mechanism that left template 3 and right template 4 move, make the clamping apparatus 8 of left template 3 and right template 4 location and press the injection moulding apparatus 2 of annotating raw material to form in the die cavity 7 of 6 on mould 5 and right mould left; It is (as shown in Figure 4 that said die cavity 7 outer rims in said left mould 5 upper edges are provided with collar flange 9; The middle part die cavity is a cubic shaped); It is (as shown in Figure 5 that said die cavity 7 outer rims in said right mould 6 upper edges are provided with the recessed edge of ring-type 10; The middle part die cavity is a cubic shaped), the flange walls 11 of said flange 9 is fitted with the recessed edge wall of said recessed edge 10 12, and the overlay segment of its applying forms the applying sealing surface.Binding face 22 upper edge die cavitys 7 edges of left side mould 5 and right mould 6 are respectively equipped with flange 9 and recessed edge 10; The flange walls 11 of said flange 9 is fitted on the recessed edge wall 12 of said recessed edge 10; Its overlay segment forms an applying sealing surface, and intercepts die cavity with this and be in communication with the outside, and guarantees the sealing of die cavity 7; Flange and recessed edge quantity can be one; Also can be a plurality of dentations that are, to obtain better sealing effectiveness, the scheme that makes die cavity 7 can under sealing state, change its volume through the mode that mould open/close moves all is regarded as the specific embodiment of the present invention.
As shown in Figure 4, in order to make left template 3 and right template 4 accurate matched moulds, the present invention realizes in the following manner: said left mould 5 is provided with locating hole 17, and said right mould 6 is provided with the alignment pin 18 that cooperates with said locating hole 17; The sidewall joint place of said left mould 5 and right mould 6 is equipped with the limit notch 19 and protruding 20 of coupling; Be provided with cooling device in said left mould 5 and the right mould 6.
In order to improve the sealing effectiveness of die cavity 7; Said flange walls 11 width and said recessed edge wall 12 width are complementary, and this width is greater than the width of said applying sealing surface, along with mould closes up each other; It is big that the width of applying sealing surface also becomes gradually, makes sealing effectiveness also strengthen gradually; Said injection moulding apparatus 2 comprises the injection cylinder pressure 14 and a material tube 15 of a band feed rod 13; Said feed rod 13 passes the material hole 16 on right template 4 and the right mould 6, and is communicated with said die cavity 7, and 16 of said feed rod 13 and material holes are provided with a check valve 21; Utilize the unidirectional trafficability characteristic of check valve 21; The phenomenon that effectively prevents material pressurized in the die cavity 7 and overflow, in concrete production, feed rod 13 passes the material hole 16 on left template 3 and the left mould 5; And be communicated with die cavity 7, also should be regarded as a kind of specific embodiment of the present invention.
The operation of said processing method is:
At first, the operation mold closing mechanism makes said left template 3 and right template 4 do matched moulds motion in opposite directions and makes corresponding left mould 5 and right mould 6 move to the overlapping station (as shown in Figure 1) that its flange 9 and recessed edge 10 are fitted;
Secondly, through quantitatively material feedings in the die cavity 7 of injection moulding apparatus 2 mould 5 and 6 formation of right mould left;
Once more, drive left mould 5 and right mould 6 matched moulds to flange 9 and recessed edge 10 binding faces 22 mutual conflict stations (as shown in Figure 3) of fitting;
At last, after the cooling device cooling, operation mold closing mechanism die sinking is also taken out the material of moulding.
Injection machine is in operation process; The first step, the operation mold closing mechanism also makes left mould 5 and right mould 6 make the overlapping station that matched moulds moves and moves to flange 9 and 10 applyings of recessed edge, at this moment; 22 of the binding faces of left side mould 5 and right mould 6 leave certain interval; And at airtight die cavity 7 more bigger than processed product volume of both inner formation, preferred gap is the 2-7 millimeter, can decide according to actual conditions; Second step; Feed rod 13 through injection moulding apparatus 2 injects the die cavity 7 more bigger than processed product volume with quantitative heated fluidisation raw material; Both reduced the injection pressure of injection moulding apparatus 2; Reduce to inject the live load of cylinder pressure 14, it is more smooth and easy that the fluidisation raw material is flowed in broader die cavity space; The 3rd step; Operate the conflict station that mold closing mechanism is fitted left mould 5 and right mould 6 secondary matched moulds to flanges 9 and recessed edge 10 binding faces 22 each other once more; At this moment; The binding face 22 of left side mould 5 and right mould 6 is fitted fully, makes die cavity 7 volumes, shape all be complementary with processed product, realizes the product compacting; In the 4th step, the material of moulding is after the cooling device cooling in the die cavity 7, and operation mold closing mechanism die sinking is also taken out.
In practical operation; When left side mould 5 and right mould 6 were in overlapping station, the spacing that its binding face is 22 can be regulated variation according to the walled thickness of processed product or the flowability of fluidisation raw material, and preferred version is the 2-10 millimeter; When the space broad in the better mobile or die cavity 7 after the raw material liquefaction; Preferentially select less spacing for use, when the space is narrower in the mobile relatively poor or die cavity 7 after the raw material liquefaction, preferentially select bigger spacing for use.
In practical implementation; When product to be processed is circulus (as shown in Figure 6); 7 of the binding face 22 of mould and die cavitys include inside and outside two annular edge boundary lines; And die cavity 7 is between two annular edge boundary lines, and corresponding flange 9 and recessed edge 10 then need be set respectively along above-mentioned two lines of demarcation on the mould binding face 22, the sealing when guaranteeing that mould is in overlapping station injection moulding; In this embodiment; Article two, the flange on the line of demarcation 9 can divide appraise and select one to be arranged on left mould 5 or the right mould 6 according to actual conditions with recessed edge 10; Guarantee die cavity 7 sealings with the applying effect that utilizes 10 at flange 9 and recessed edge; Just be used to mark relevant for titles such as left template 3, right template 4 and left mould 5, right moulds 6 in the present invention and distinguish different templates and mould, in concrete operations, can change cooperation each other, all be regarded as specific embodiment of the present invention; In this embodiment; Material hole 16 plays the effect to 7 material feedings of ring-type die cavity; Do not have the characteristics that are communicated with chamber according to ring-type die cavity 7 middle parts, preferred version changes material hole 16 into the bifurcation structure that leads to both sides respectively; Both guaranteed die cavity 7 inner stress equalizations, can also stream shape raw material be delivered in the die cavity 7 through the multiple spot that is uniformly distributed with.
In practical implementation, generally include following several kinds of specific embodiments.
Embodiment 1
Injection machine comprises support 1, mold closing mechanism, injection moulding apparatus 2 and is arranged in parallel in left template 3 and the right template 4 on the support 1; One end of a connecting rod is fixed on the left template 3; The other end passes right template 4 and clamping apparatus 8 successively; Be respectively equipped with left mould 5 and right mould 6 on the corresponding working face of left side template 3 and right template 4,5 on said left template 3 and left mould, right template 4 and 6 on right mould are equipped with Mode-locking oil cylinder.In practical operation, realize through following steps: 1, the operation mold closing mechanism makes left template 3 and right template 4 do the matched moulds action and makes left mould 5 and right mould 6 move to overlapping station; 2, carrying out locked mode through 8 pairs of templates of clamping apparatus fixes; 3, accomplish raw material injection work through injection moulding apparatus 2; 4, Mode-locking oil cylinder between template and mould promotes left mould 5 and right mould 6 moves to the conflict station through being installed in; 5, through the cooling device cooling and shaping, and die sinking is taken out module, completion injection mo(u)lding production.
Embodiment 2
Injection machine comprises support 1, mold closing mechanism, injection moulding apparatus 2 and is arranged in parallel in left template 3 and the right template 4 on the support 1; One end of a connecting rod passes left template 3; And be inserted in the adjustment oil cylinder; The other end passes right template 4 and clamping apparatus 8 successively, is respectively equipped with left mould 5 and right mould 6 on the corresponding working face of left template 3 and right template 4.In practical operation, realize through following steps: 1, the operation mold closing mechanism makes left template 3 and right template 4 do the matched moulds action and makes left mould 5 and right mould 6 move to overlapping station; 2, carrying out locked mode through 8 pairs of templates of clamping apparatus fixes; 3, accomplish raw material injection work through injection moulding apparatus 2; 4, the adjustment oil cylinder through left template 3 outsides promote left template 3 along connecting rod to the right template 4 do the matched moulds action, make left mould 5 move to the conflict station with right mould 6; 5, through the cooling device cooling and shaping, and die sinking is taken out module, completion injection mo(u)lding production.
Embodiment 3
Injection machine comprises support 1, mold closing mechanism, injection moulding apparatus 2 and is arranged in parallel in left template 3 and the right template 4 on the support 1; Said mold closing mechanism comprises the hinge arrangement of a pair of transmission; Said hinge arrangement is connected to the outside of left template 3 and right template 4, is respectively equipped with left mould 5 and right mould 6 on the corresponding working face of left template 3 and right template 4.In practical operation, realize through following steps: 1, the operation mold closing mechanism makes left template 3 and right template 4 do the matched moulds action and makes left mould 5 and right mould 6 move to overlapping station, makes left template 3 and right template 4 fixed-site through the control mold closing mechanism; 2, accomplish raw material injection work through injection moulding apparatus 2; 3, operate mold closing mechanism once more and make left template 3 and right template 4 secondary matched moulds, make left mould 5 move to the conflict station with right mould 6; 4, through the cooling device cooling and shaping, and die sinking is taken out module, completion injection mo(u)lding production.
Embodiment 4
Injection machine comprises support 1, mold closing mechanism, injection moulding apparatus 2 and is arranged in parallel in left template 3 and the right template 4 on the support 1; One end of a connecting rod is fixed on the left template 3; The other end passes right template 4 and clamping apparatus 8 successively, is respectively equipped with left mould 5 and right mould 6 on the corresponding working face of left template 3 and right template 4.In practical operation, realize through following steps: 1, the operation mold closing mechanism makes left template 3 and right template 4 do the matched moulds action and moves to overlapping station; 2, carrying out locked mode through 8 pairs of templates of clamping apparatus fixes; 3, accomplish raw material injection work through injection moulding apparatus 2; 4, open clamping apparatus 8, operate mold closing mechanism once more and make left template 3 make the secondary matched moulds, make left mould 5 move to the conflict station with right mould 6 with right template 4; 5, through the cooling device cooling and shaping, and die sinking is taken out module, completion injection mo(u)lding production.
The present invention is not limited to several kinds of above-mentioned embodiment, and the technical scheme that is made up each other, pieced together by the frame for movement among the above embodiment should be regarded as the technical scheme that present technique field personnel can expect, all should be regarded as specific embodiment of the present invention.
In practical operation, the injection machine of classification matched moulds is carrying out the second time during matched moulds, and the binding face 22 of its left mould 5 and right mould 6 is fitted fully, and makes the fluidised form raw material fill in die cavity 7.Except that such scheme; The matched moulds process can also realize in the following manner for the second time: its corresponding die cavity 7 volumes are less than the material quantity that is preestablished and inject die cavity 7 when fitting fully greater than the binding face 22 of left mould 5 and right mould 6, and the fluidised form raw material closes up gradually with right mould 6 along with left mould 5 and is covered with die cavity 7, when raw material fills fully in die cavity 7; Left side mould 5 and right mould 6 are owing to the resistance to compression effect of raw materials in the die cavity 7 to it stops to move; At this moment, the binding face 22 of left mould 5 and right mould 6 is not fitted fully, and this process also realizes injection moulding, moulding production through the classification mould assembling action; And can make thickness of product come to regulate automatically according to the amount of injecting raw material; Reducing the defective product rate, is applying in a flexible way of innovation structure that the present invention is proposed, should be regarded as specific embodiment of the present invention.
In the present invention; Can set up heater in left side mould 5 and the right mould 6; Still be fluidized state after making raw material after the thermoplastic be injected into die cavity 7 through heater; Guarantee the lasting flowability of raw material in mould secondary matched moulds to the station process of conflicting, cooperate cooling device to quicken the raw material cooling and shaping again, effectively enhance productivity.
It is in the production field of raw material that equipment of the present invention and method can also be used in fiberglass, thermosetting plastics etc.; In actual use; Left mould 5, right mould 6 are heated to the required softening temperature of raw material; And drive the mould matched moulds and form the die cavity with processed product volume, form fit, utilize the cooling device that is placed in the mould that raw material is cooled off fast, finalize the design again, effectively the production efficiency of raising.
Claims (8)
1. classification mold-closing injection machine; Comprise support (1), be arranged on left template (3) that support (1) goes up and can move in opposite directions with right template (4), respectively be installed in left mould (5) and right mould (6) on said left template (3) and the right template (4), drive the mobile mold closing mechanism of left template (3) and right template (4), make the clamping apparatus (8) that left template (3) and right template (4) locate and the injection moulding apparatus (2) of the middle pressure notes of die cavity (7) raw material between mould (5) and right mould (6) left; It is characterized in that: the said die cavity in said left mould (5) upper edge (7) outer rim is provided with collar flange (9); The said die cavity in said right mould (6) upper edge (7) outer rim is provided with the recessed edge of ring-type (10); The flange walls (11) of said flange (9) is fitted with the recessed edge wall (12) of said recessed edge (10), and the overlay segment of its applying forms the applying sealing surface.
2. a kind of classification mold-closing injection machine according to claim 1 is characterized in that: said flange walls (11) width and said recessed edge wall (12) width are complementary, and this width is greater than the width of said applying sealing surface.
3. a kind of classification mold-closing injection machine according to claim 2; It is characterized in that: said injection moulding apparatus (2) comprises the injection cylinder pressure (14) and a material tube (15) of a band feed rod (13); Said feed rod (13) passes the material hole (16) on right template (4) and the right mould (6); And be communicated with said die cavity (7), be provided with a check valve (21) between said feed rod (13) and material hole (16).
4. a kind of classification mold-closing injection machine according to claim 2, it is characterized in that: said left mould (5) is provided with locating hole (17), and said right mould (6) is provided with the alignment pin (18) that cooperates with said locating hole (17).
5. a kind of classification mold-closing injection machine according to claim 2 is characterized in that: the sidewall joint place of said left mould (5) and right mould (6) is equipped with limit notch (19) and protruding (20) of coupling.
6. a kind of classification mold-closing injection machine according to claim 2 is characterized in that: be provided with cooling device in said left mould (5) and the right mould (6).
7. the processing method of a kind of classification mold-closing injection machine according to claim 1; The injection machine of realizing said processing method comprises support (1), be arranged on left template (3) that support (1) goes up and can move in opposite directions with right template (4), respectively be installed in left mould (5) and right mould (6) on said left template (3) and the right template (4), drive the mobile mold closing mechanism of left template (3) and right template (4), make the clamping apparatus (8) that left template (3) and right template (4) locate and the injection moulding apparatus (2) of the middle pressure notes of die cavity (7) raw material between mould (5) and right mould (6) left, said processing method is characterised in that:
At first, the operation mold closing mechanism makes said left template (3) and right template (4) do matched moulds motion in opposite directions and makes corresponding left mould (5) and right mould (6) move to the overlapping station of its flange (9) and recessed edge (10) applying;
Secondly, quantitative material feeding in the die cavity (7) that forms between mould (5) and right mould (6) left through injection moulding apparatus (2);
Once more, drive the mutual conflict station of fitting of binding face (22) of left mould (5) and right mould (6) matched moulds to flange (9) and recessed edge (10);
At last, after the cooling device cooling, operation mold closing mechanism die sinking is also taken out the material of moulding.
8. a kind of classification mold-closing injection machine according to claim 7 is characterized in that: when said left mould (5) and right mould (6) were in overlapping station, the distance between its binding face (22) was the 2-10 millimeter.
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| CN109526146A (en) * | 2017-09-19 | 2019-03-26 | 丰田自动车株式会社 | The manufacturing method and its manufacturing device of wiring plate |
| CN110696270A (en) * | 2019-10-17 | 2020-01-17 | 吕磊 | Injection molding and stamping die |
| CN112404397A (en) * | 2020-09-11 | 2021-02-26 | 蚌埠隆华压铸机有限公司 | Secondary die locking adjustable device of die casting machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103909636A (en) * | 2013-11-27 | 2014-07-09 | 大连隆星新材料有限公司 | Shaping device for paraffin pipe |
| CN103909636B (en) * | 2013-11-27 | 2016-03-16 | 大连隆星新材料有限公司 | A kind of paraffin pipe forming devices |
| CN109526146A (en) * | 2017-09-19 | 2019-03-26 | 丰田自动车株式会社 | The manufacturing method and its manufacturing device of wiring plate |
| CN110696270A (en) * | 2019-10-17 | 2020-01-17 | 吕磊 | Injection molding and stamping die |
| CN110696270B (en) * | 2019-10-17 | 2021-10-22 | 邵东市龙旺打火机有限公司 | Injection molding and stamping die |
| CN112404397A (en) * | 2020-09-11 | 2021-02-26 | 蚌埠隆华压铸机有限公司 | Secondary die locking adjustable device of die casting machine |
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Application publication date: 20121003 |