CN206796413U - The precision die of electromobile battery moulding - Google Patents

The precision die of electromobile battery moulding Download PDF

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Publication number
CN206796413U
CN206796413U CN201720638687.0U CN201720638687U CN206796413U CN 206796413 U CN206796413 U CN 206796413U CN 201720638687 U CN201720638687 U CN 201720638687U CN 206796413 U CN206796413 U CN 206796413U
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China
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core
cavity
pulling
slide block
oblique
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戚永幸
栗原洋
张亮
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SZEPAK PRECISION (WUXI) CO Ltd
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SZEPAK PRECISION (WUXI) CO Ltd
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Abstract

A kind of precision die of electromobile battery moulding disclosed in the utility model, front cavity is embedded with the fixing groove of front template bottom surface, be embedded with the rear cavity matched with front cavity position correspondence in the fixing groove of rear mold plate top surface, and between front cavity and rear cavity after Corresponding matching formed with the die cavity for injection molding part;Sprue bush is embedded with front shoe, be respectively equipped with front template and front cavity it is interconnected pour runner, the both ends for pouring runner connect with the runner in sprue bush and die cavity respectively;The outer circumferential side of die cavity is provided with the core-pulling device of the hole being used on injection molding part and/or groove;The ejecting mechanism for ejected from rear cavity the moulding of shaping is equipped with rear pattern plate, and the top of ejecting mechanism is in rear cavity insertion die cavity;Rear cavity is embedded to be provided with the ventilative insert with air-vent, and the air-vent of ventilative insert connects with the exhaust passage on rear pattern plate.Its mould structure design is reasonable, parting is simple, and formed product is stable, precision is high.

Description

The precision die of electromobile battery moulding
Technical field
It the utility model is related to a kind of precision die technical field for injection molding part, especially electromobile battery The precision die of moulding.
Background technology
Electromobile battery is a kind of device for converting chemical energy into electric energy, belongs to dc source.And accumulator housing The features such as needing corrosion-resistant, high temperature resistant, so there should be uniform in shaping steady on the mould of automobile storage battery housing injection molding Fixed, service life length, precision height, simple production process, energy consumption are low and Product Precision after the completion of being molded is higher, due to electronic Accumulator housing is super-thin plastic shell, the moulding more than muscle position, and the muscle position many places that solve product in the prior art are difficult to The uniformly practical problem such as injection and the lossless demoulding, it is necessary to need the design of some special constructions to make electromobile battery housing mould knot Structure optimizes, and so as to realize that product die joint is simple, hot melt filling is uniform, and the demoulding is easy, high yield rate, stores electric car Battery container mold design is more reasonable.
Utility model content
The purpose of this utility model is to improve using effect and longevity to solve one kind that is insufficient and designing of above-mentioned technology The precision die of the electromobile battery moulding of life.
The precision die of electromobile battery moulding designed by the utility model, including preceding mould and rear mold, preceding mould by Include front shoe and front template under up to successively, rear mold from top to bottom includes rear pattern plate and rear fixed plate successively, front template The top surface of bottom surface and rear pattern plate is respectively equipped with mutually corresponding fixing groove, and front cavity is embedded with the fixing groove of front template bottom surface, The rear cavity matched with front cavity position correspondence is embedded with the fixing groove of rear mold plate top surface, and it is right between front cavity and rear cavity Formed with the die cavity for injection molding part after should matching;Sprue bush is embedded with front shoe, is divided on front template and front cavity What She You be interconnected pours runner, and the both ends for pouring runner connect with the runner in sprue bush and die cavity respectively;The periphery of die cavity Side is provided with the core-pulling device of the hole being used on injection molding part and/or groove;It is equipped with rear pattern plate for by the injection of shaping Part carries out the ejecting mechanism ejected from rear cavity, and the top of ejecting mechanism is in rear cavity insertion die cavity;In rear cavity It is embedded and is equipped with the ventilative insert with air-vent, and the air-vent of ventilative insert connects with the exhaust passage on rear pattern plate.
Further preferably, core-pulling device includes and for the angled core-pulling mechanism one of oblique hole, use on the left of injection molding part In injection molding part right ports and groove simultaneously it is straight to core-pulling mechanism one, for oblique hole and tiltedly on the right side of injection molding part simultaneously Angled core-pulling mechanism two to groove, for injection molding part front-side holes simultaneously and groove it is straight to core-pulling mechanism two, for same When injection molding part on rear side of oblique groove angled core-pulling mechanism three;Angled core-pulling mechanism one is on the left of die cavity;Directly to core pulling Mechanism one and angled core-pulling mechanism two are on the right side of die cavity;Directly to core-pulling mechanism two on front side of die cavity;Angled core-pulling mechanism Three on rear side of die cavity.
Further preferably, angled core-pulling mechanism one includes slide rail, sliding block, core_pulling pole and the gas for sliding block of releasing or bounce back Cylinder, the mutually corresponding oblique chute one connect is respectively equipped with the left of the fixing groove of front template and on the left of front cavity, slide rail is in tiltedly To being fixed in oblique chute one, in the chute of sliding block slidingtype insertion slide rail, one end of core_pulling pole is fixed on sliding block one, takes out The other end of core bar inserts the left side of die cavity and is molded the oblique hole on the left of moulding.
Further preferably, directly core-pulling slide block one, back-moving spring one are included to core-pulling mechanism two to core-pulling mechanism one and directly With Angle Pin one, the right side and front side of front cavity are respectively equipped with vertical through hole, be respectively equipped with the right side of the fixing groove of rear pattern plate directly to Chute, vertical through hole to chute is corresponding with directly being connected, and the slidingtype of core-pulling slide block one is embedded in directly into chute, core-pulling slide block one Front portion, which is run through after vertical through hole, inserts the hole of on the right side of injection molding part and front side and groove in die cavity, back-moving spring one positioned at directly to In chute, and the both ends of back-moving spring one contact at core-pulling slide block one respectively and rear cavity contradicts, and core-pulling slide block one is by oblique Guide pillar one enters line slip under guiding, for the plugged and fixed of Angle Pin one on front template, the bottom of Angle Pin one can be inserted into core-pulling slide block In one oblique pilot hole.
Further preferably, angled core-pulling mechanism two includes core-pulling slide block two, back-moving spring two and Angle Pin two, front cavity Right side is provided with oblique through hole, is respectively equipped with oblique chute two on the right side of the fixing groove of rear pattern plate, oblique through hole and oblique chute two are right It should connect, the slidingtype of core-pulling slide block two is embedded in oblique chute two, and the front portion of core-pulling slide block two is inserted after oblique through hole Hole on the right side of injection molding part with front side and groove in die cavity, back-moving spring two is located in oblique chute two, and back-moving spring two Both ends contact at core-pulling slide block two and rear cavity respectively and contradict, core-pulling slide block two under the guiding of Angle Pin two by being slided Dynamic, on front template, the bottom of Angle Pin two can be inserted into the oblique pilot hole of core-pulling slide block two plugged and fixed of Angle Pin two.
Further preferably, angled core-pulling mechanism three includes core-pulling slide block three, back-moving spring three and Angle Pin three, rear cavity Rear side is provided with oblique chute three, and the slidingtype of core-pulling slide block three is embedded in oblique chute three, and core-pulling slide block three inserts front cavity The oblique groove being molded after in die cavity on rear side of moulding, the outside inclined-plane of core-pulling slide block and the die cavity medial slope wedge of front cavity It is close to close, back-moving spring three is located in oblique chute three, and the both ends of back-moving spring three contact at core-pulling slide block three with after respectively Die contradicts, and core-pulling slide block three enters line slip under the guiding by Angle Pin three, and the plugged and fixed of Angle Pin three is in front cavity, tiltedly The bottom of guide pillar three can be inserted into the oblique pilot hole of core-pulling slide block three.
Further preferably, in addition to three pieces of wedge blocks, each wedge block are located at Angle Pin one, Angle Pin two and Angle Pin respectively Three outside, and each wedge block is individually fixed on front template, the medial slope of each wedge block is fixed with wedging positioning in oblique Block, the lateral surface of wedging locating piece are bonded with the outside inclined-plane wedging of core-pulling slide block two and two pieces of core-pulling slide blocks one.
Further preferably, in addition to section is fixed in the projection that the concave block of character cut in bas-relief shape and section are in type shape, concave block In the bottom surface of front template, projection is fixed on the top surface of rear pattern plate, and the depressed part progress of the lug boss insertion concave block of projection is spacing.
Further preferably, ejecting mechanism includes angled slide block, push rod, the oblique angle ejector rod being arranged on rear pattern plate and directly to wearing Located at the straight push rod of rear pattern plate plate, rear fixed plate internally forms cavity after being fixed by support block and rear pattern plate, and angled slide block is located at In cavity, the bottom of the bottom of push rod and straight push rod is fixed with angled slide block respectively, and the top of push rod and the bottom of oblique top connect, tiltedly The top of push rod and the top of straight push rod can be inserted into die cavity after running through rear cavity;In front template, front cavity, rear pattern plate and rear cavity Be respectively equipped with cooling duct, and the cooling duct of front template connects with the cooling duct of front cavity, the cooling duct of rear pattern plate with The cooling duct connection of rear cavity.
A kind of forming method of electromobile battery moulding, it uses the precision die of electromobile battery moulding to enter Row shaping work, specifically include following forming step:
A, material prepares:Take raw materials for plastics production of the model PC955701 as injection molding part;
B, melt:PC955701 raw materials for plastics production are put into thermofusion device be heated to 280 DEG C -300 DEG C melted after Hot melt is formed, and hot melt enters injection canal;
C, plastify:Thermosol in injection canal is kept molten by, the temperature being kept molten by is:280℃- 300℃;
D, matched moulds:Driving front template is bonded with rear pattern plate, core-pulling slide block one, core-pulling slide block two and the core pulling of die cavity outer circumferential side Sliding block three slides patch by being realized under the guiding of Angle Pin one, Angle Pin two and Angle Pin three to front cavity and rear cavity respectively Closely, realized under the promotion that sliding block passes through cylinder and slide to front cavity and rear cavity, so as to be formed for core pulling injection molding The die cavity of part;
E, matched moulds is vented:Using the air-vent in ventilative insert respectively by for the sky in the die cavity of core pulling injection molding part Gas is discharged;
F, glue spraying:The raw materials for plastics production pressure injection of molten condition is noted through sprue bush with runner is poured into shaping in die cavity Plastic, the pressure for applying injection are:90Mpa, the amount of injection are:200 millimeters, molding time is:95 seconds;
G, cool down:The temperature cooling that coolant carries out moulding is injected in cooling duct, cooling degree is cooled to 75 DEG C -85 DEG C, the time of cooling is:60 seconds;
H, breathing a mould:Using the air-vent in ventilative insert respectively by for the heat in the die cavity of core pulling injection molding part Air is extracted out;
I, mold:Drive front template open mould, core-pulling slide block one, core-pulling slide block two and core-pulling slide block three respectively by The Slideslip to outside mould is realized under the guiding of Angle Pin one, Angle Pin two and Angle Pin three, it is real under the pulling that sliding block passes through cylinder Now to the outer Slideslip of mould, the angle ejector rod of ejecting mechanism and straight push rod ejection Injection Molding Products, so as to realize Injection Molding Products It is stripped with mould.
The precision die of electromobile battery moulding designed by the utility model, its mould structure realization ultrathin type, The perfect shaping of electromobile battery plastic housing more than muscle position, it is reasonable in design, parting is simple, it is easily controlled by mould and die accuracy, Mould precision can reach 0.01mm, and service life is 2-3 times of universal mold, and formed product is stable, precision is high, shaping week For the speed of phase than 4-5 times of lifting, product precision can reach 0.03mm, be 2 times or so of the production efficiency of universal mold, separately The outer processability for greatly improving plastic, it is thus also avoided that produce the risk of plastic bubble, the probability of shaping finished product is higher, melts Expect that the abrasion to battery mould is small.
Brief description of the drawings
Fig. 1 is the overall structure diagram (one) of embodiment 1;
Fig. 2 is the overall structure diagram (two) of embodiment 1;
Fig. 3 is the overall structure diagram (three) of embodiment 1;
Fig. 4 is the overall structure diagram (four) of embodiment 1;
Fig. 5 is the modular construction schematic diagram of embodiment 1.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, every other embodiment that those of ordinary skill in the art are obtained all belongs to In the scope of the utility model protection.
Embodiment 1:
As shown in figure 1, the precision die of the electromobile battery moulding described by the present embodiment, including preceding mould is with after Mould, preceding mould from top to bottom include front shoe 1 and front template 2 successively, and rear mold from top to bottom includes rear pattern plate 3 and fixed afterwards successively Plate 4, the bottom surface of front template 2 and the top surface of rear pattern plate 3 are respectively equipped with mutually corresponding fixing groove 5, the fixing groove of the bottom surface of front template 2 Front cavity 6 is embedded with 5, the rear cavity 7 matched with the position correspondence of front cavity 6 is embedded with the fixing groove 5 of the top surface of rear pattern plate 3, And between front cavity 6 and rear cavity 7 after Corresponding matching formed with the die cavity 10 for injection molding part;It is embedded on front shoe 1 Have sprue bush 8, be respectively equipped with front template 2 and front cavity 6 it is interconnected pour runner 9, pour the both ends of runner 9 respectively with cast gate Runner in set 8 connects with die cavity 10;The outer circumferential side of die cavity 10 is provided with the core pulling of the hole being used on injection molding part and/or groove Device;The ejecting mechanism 18 for ejected from rear cavity the moulding of shaping, and ejector are equipped with rear pattern plate 3 The top of structure 18 is inserted in die cavity 10 through rear cavity 7;Rear cavity 7 is embedded to be provided with the ventilative insert 27 with air-vent, and thoroughly The air-vent of gas insert 27 connects with the exhaust passage on rear pattern plate 3.Ventilative insert 27 is by ventail phase of the polylith with air-vent Mutually it is superimposed and forms, and insert 27 of breathing freely has the air carried out in die sinking in advance extraction die cavity so that die sinking is more square It can lean on;Inner air can be discharged when hot melt is injected in die cavity, make mould filling good, accurate size, high yield rate. This patent is applied to the mold insert structure of various super-thin plastic shell product injection moulds.Its rear cavity is carried out by rear mold wedge block 21 Positioning is fixed, and the outside bevel inclination angle of rear mold wedge block 21 is 5 ° so that the wedging performance to rear cavity 7 is more preferably.
In the present embodiment, core-pulling device include and for the angled core-pulling mechanism 1 of oblique hole on the left of injection molding part, For injection molding part right ports and groove simultaneously it is straight to core-pulling mechanism 1, for oblique hole on the right side of injection molding part simultaneously Angled core-pulling mechanism 2 14 with oblique groove, for the straight to core-pulling mechanism two of injection molding part front-side holes simultaneously and groove 12nd, the angled core-pulling mechanism 3 15 for injection molding part rear side oblique groove simultaneously;Angled core-pulling mechanism 1 is located at die cavity 10 left sides;Directly to core-pulling mechanism 1 and angled core-pulling mechanism 2 14 located at the right side of die cavity 10;Directly set to core-pulling mechanism 2 12 In the front side of die cavity 10;Angled core-pulling mechanism 3 15 is located at the rear side of die cavity 10.Its structure is to the electric car electric power storage more than ultrathin, muscle position Straight hole, inclined hole, straight groove and the oblique groove that plastic housing the week side of boss in pond needs to be molded carry out perfect shaping, and the formed precision of product reaches 0.03mm.Wherein back-moving spring has the function that to aid in the Angle Pin guiding outside Slideslip of core-pulling slide block in die sinking, and improving makes With performance and the core pulling efficiency of core-pulling slide block.
In the present embodiment, angled core-pulling mechanism 1 include slide rail 112, sliding block 113, core_pulling pole 114 and for release or The cylinder 111 of retraction sliding block 112, the left side of fixing groove 5 of front template 2 and the left side of front cavity 6 are respectively equipped with mutually corresponding connect Oblique chute 1, slide rail 112 is fixed in oblique chute 1 in oblique, the slidingtype of sliding block 113 insertion slide rail 112 In chute, one end of core_pulling pole 114 is fixed on sliding block 113 1, and the left side of the other end insertion die cavity 10 of core_pulling pole 114 forms Oblique hole on the left of type moulding.Its structure to be molded on the left of the electromobile battery plastic housing more than ultrathin, muscle position oblique Effect during hole is more preferable, so as to improve core pulling effect and efficiency, ensure that oblique hole formed precision, precision reaches 0.03mm. Wherein back-moving spring die sinking have the function that aid in Angle Pin guiding the outside Slideslip of core-pulling slide block, improve performance with The core pulling efficiency of core-pulling slide block.
In the present embodiment, core-pulling slide block 1 is directly included to core-pulling mechanism 1 and directly to core-pulling mechanism 2 12, is resetted Spring 1 and Angle Pin 1, the right side and front side of front cavity 6 are respectively equipped with vertical through hole 30, and the fixing groove 5 of rear pattern plate 7 is right Side is respectively equipped with directly to chute 31, and with directly being connected to chute 31 is corresponding, the slidingtype of core-pulling slide block 1 is embedded in vertical through hole 30 Directly into chute 31, the front portion of core-pulling slide block 1 run through after vertical through hole 30 insert in die cavity 10 on the right side of injection molding part and before The hole of side and groove, back-moving spring 1 are located at directly into chute 31, and the both ends of back-moving spring 1 contact at core pulling respectively Sliding block 1 and rear cavity 7 are contradicted, and core-pulling slide block 1 is inserted by entering line slip, Angle Pin 1 under the guiding of Angle Pin 1 Connect and be fixed on front template 2, the bottom of Angle Pin 1 can be inserted into the oblique pilot hole of core-pulling slide block 1.Its structure causes Effect on the right side of the electromobile battery plastic housing more than ultrathin, muscle position and when hole and the groove of front side is more preferable, so as to improve Core pulling effect and efficiency, ensure that oblique hole formed precision, and precision reaches 0.03mm.Wherein back-moving spring has auxiliary in die sinking Angle Pin guides the effect of the outside Slideslip of core-pulling slide block, improves performance and the core pulling efficiency of core-pulling slide block.Core pulling is slided The angle of inclination of the oblique pilot hole of block 1 is 15 °
In the present embodiment, angled core-pulling mechanism 2 14 includes core-pulling slide block 2 142, back-moving spring 2 143 and Angle Pin two 141, the right side of front cavity 6 is provided with oblique through hole 144, and the right side of fixing groove 5 of rear pattern plate 4 is respectively equipped with oblique chute 2 145, tiltedly To the connection corresponding with oblique chute 2 145 of through hole 144, the slidingtype of core-pulling slide block 2 142 is embedded in oblique chute 2 145, taken out Hole and groove in die cavity 10 on the right side of injection molding part with front side are inserted in the front portion of core sliding block 2 142 after running through oblique through hole 144, Back-moving spring 2 143 is located in oblique chute 2 145, and the both ends of back-moving spring 2 143 contact at core-pulling slide block 2 142 respectively Contradicted with rear cavity 7, core-pulling slide block 2 142 by entering line slip under the guiding of Angle Pin 2 141, consolidate by the grafting of Angle Pin 2 141 Due on front template 2, the bottom of Angle Pin 2 141 can be inserted into the oblique pilot hole of core-pulling slide block 2 142.Its structure causes Effect when hole and the groove on electromobile battery plastic housing right side and front side more than ultrathin, muscle position is more preferable, is taken out so as to improve Core effect and efficiency, ensure that oblique hole formed precision, and precision reaches 0.03mm.Wherein back-moving spring has auxiliary oblique in die sinking Guide pillar guides the effect of the outside Slideslip of core-pulling slide block, improves performance and the core pulling efficiency of core-pulling slide block.Core-pulling slide block The angle of inclination of 2 142 oblique pilot hole is 15 °.
In the present embodiment, angled core-pulling mechanism 3 15 includes core-pulling slide block 3 151, back-moving spring 3 153 and Angle Pin three 152, the rear side of rear cavity 7 is provided with oblique chute 3 154, and the slidingtype of core-pulling slide block 3 151 is embedded in oblique chute 3 154, Core-pulling slide block 3 151 is molded the oblique groove on rear side of moulding after inserting in the die cavity of front cavity 6, core-pulling slide block 3 151 Outside inclined-plane is bonded with the die cavity medial slope wedging of front cavity 6, and back-moving spring 3 153 is located in oblique chute 3 154, and multiple The both ends of position spring 3 153 contact at core-pulling slide block 3 151 respectively and rear cavity 7 contradicts, and core-pulling slide block 3 151 passes through Angle Pin Enter line slip under 3 152 guiding, in front cavity 6, the bottom of Angle Pin 3 152 can be inserted into the plugged and fixed of Angle Pin 3 152 In the oblique pilot hole of core-pulling slide block 3 151.Its structure cause on the right side of the electromobile battery plastic housing more than ultrathin, muscle position and The effect when hole of front side and groove is more preferable, so as to improve core pulling effect and efficiency, ensure that oblique hole formed precision, precision Reach 0.03mm.Wherein back-moving spring has the function that to aid in the Angle Pin guiding outside Slideslip of core-pulling slide block, lifting in die sinking The core pulling efficiency of performance and core-pulling slide block.The outside inclined-plane of core-pulling slide block and the die cavity medial slope wedging of front cavity are pasted The structure of conjunction has the function that slowly to guide core-pulling slide block three to carry out laterally or interior Slideslip, and core-pulling slide block three is carried out Positioning, and be brought into close contact and be molded on rear side of die cavity.The inclination angle of the oblique pilot hole of Angle Pin three and core-pulling slide block three Spend for 8 °;The angle of inclination of the outside inclined-plane of core-pulling slide block three and the die cavity medial slope of front cavity is 10 °.
In the present embodiment, in addition to three pieces of wedge blocks 19, each wedge block 19 is respectively positioned at Angle Pin 1, Angle Pin two 141 and the outside of Angle Pin 3 153, and each wedge block 19 is individually fixed on front template 2, the medial slope of each wedge block 19 is in It is oblique to be fixed with wedging locating piece 17, lateral surface and core-pulling slide block 2 142 and the two pieces of core-pulling slide blocks 1 of wedging locating piece 17 Outside inclined-plane wedging fitting.Skew back face in its structure have slowly guiding core-pulling slide block one and core-pulling slide block two laterally or Or the effect of interior Slideslip, and core-pulling slide block two and two pieces of core-pulling slide blocks one are positioned, and be brought into close contact before die cavity Side and right side carry out the right side and front side of injection molding part.Three pieces of wedge blocks, core-pulling slide block two and two pieces of core-pulling slide blocks one it is interior Side bevel inclination angle is 17 °, so that the wedging performance to core-pulling slide block is more preferably.Angle Pin two and two Angle Pins one Angle of inclination be 15 °, the angle of inclination of wedging locating piece is 17 °.
In the present embodiment, in addition to section is in the projection 19 that the concave block 20 of character cut in bas-relief shape and section are in type shape, concave block 20 are fixed on the bottom surface of front template 2, and projection 19 is fixed on the top surface of rear pattern plate 3, and the lug boss of projection 19 inserts concave block 20 Depressed part carries out spacing.Its structure causes after matched moulds, and predetermined position is fitted between front template and rear pattern plate, and with fixed The effect of position, so as to reach front cavity, rear cavity, sliding block, core-pulling slide block one, core-pulling slide block two and core-pulling slide block three in pre-determined bit The electromobile battery plastic housing for being fitted close and being formed for forming superthin type, more than muscle position is put, so as to reach more than ultrathin, muscle position Electromobile battery plastic housing Product Precision improves the quality of product in the range of 0.03mm.
In the present embodiment, ejecting mechanism 18 includes angled slide block 183, push rod 181, the oblique angle ejector rod being arranged on rear pattern plate 182 and directly to the straight push rod 185 for being arranged in rear pattern plate plate, rear fixed plate 4 fixed by support block 186 and rear pattern plate 3 after internally Form cavity 184, angled slide block 183 in the cavity 184, the bottom of the bottom of push rod 181 and straight push rod 185 respectively with angled slide block 183 are fixed, and the top of push rod 181 is connected with the bottom of oblique top 182, and the top of the top of angle ejector rod 182 and straight push rod 185 is run through Die cavity 10 is can be inserted into after rear cavity 7;Cooling duct 26 is respectively equipped with front template 2, front cavity 6, rear pattern plate 3 and rear cavity 7, and The cooling duct 26 of front template 2 connects with the cooling duct 26 of front cavity 6, and the cooling duct 26 of rear pattern plate 3 is cold with rear cavity 7 But passage 26 connects.Its structure causes the hot melt being cooled and shaped by injecting coolant in cooling duct;Formed product After die sinking, angled slide block drives push rod and straight push rod to be ejected to the front of rear cavity in the case where being promoted, and push rod promotes oblique top Bar ejects to the front of rear cavity, complete so as to reach be molded ultrathin type, the electromobile battery plastic housing product more than muscle position Beautiful release.The angle of inclination of angle ejector rod is 8 °.
A kind of forming method of electromobile battery moulding in the present embodiment, it uses electromobile battery moulding Precision die carry out shaping work, specifically include following forming step:
A, material prepares:Take raw materials for plastics production of the model PC955701 as injection molding part;
B, melt:PC955701 raw materials for plastics production are put into thermofusion device be heated to 280 DEG C -300 DEG C melted after Hot melt is formed, and hot melt enters injection canal;
C, plastify:Thermosol in injection canal is kept molten by, the temperature being kept molten by is:280℃- 300℃;
D, matched moulds:Driving front template 2 is bonded with rear pattern plate 3, core-pulling slide block 1, the core-pulling slide block two of the outer circumferential side of die cavity 10 142 and core-pulling slide block 3 151 respectively by realized under the guiding of Angle Pin 1, Angle Pin 2 141 and Angle Pin 3 153 to Front cavity 6 and rear cavity 7 are slided, and sliding block 113 is realized under the promotion by cylinder 111 and slided to front cavity 6 and rear cavity 7 Press close to, so as to form the die cavity for core pulling injection molding part;
E, matched moulds is vented:Using the air-vent in ventilative insert 17 respectively by the die cavity of core pulling injection molding part Air is discharged;Its mode make it that mould filling is good, accurate size, high yield rate.This patent is applied to various super-thin plastic shells The mold insert structure of product injection mould.
F, glue spraying:The raw materials for plastics production pressure injection of molten condition is molded through sprue bush with runner is poured into die cavity 10 is interior Moulding, the pressure for applying injection are:90Mpa, the amount of injection are:200 millimeters, molding time is:95 seconds;Its mode to note Penetrate that hot melt is more uniform, prevent the generation of bubble, and injection volume is preferably controlled, and the molding effect of product is more It is good;
G, cool down:Injection coolant carries out the temperature cooling of moulding in the cooling duct 26, cooling degree be cooled to 75 DEG C- 85 DEG C, the time of cooling is:60 seconds;So that the product solidifiability after being cooled and shaped is preferable, it is easier to be stripped.
H, breathing a mould:Using the air-vent in ventilative insert 27 respectively by the die cavity 10 of core pulling injection molding part Hot-air extract out;So that die sinking is more convenient reliable, performance is lifted;
I, mold:Front template is driven to open mould, 3 151 points of core-pulling slide block 1, core-pulling slide block 2 142 and core-pulling slide block Not by realizing the Slideslip to outside mould under the guiding of Angle Pin 1, Angle Pin 2 141 and Angle Pin 3 153, sliding block leads to The outer Slideslip realized to mould, the angle ejector rod of ejecting mechanism and straight push rod ejection Injection Molding Products are crossed under the pulling of cylinder, from And realize Injection Molding Products and be stripped with mould.Its mode improves product and carries out automatic demoulding, lifts the efficiency of the demoulding, and Automation and intelligentification degree is higher.
The utility model is not limited to above-mentioned preferred forms, and anyone can draw under enlightenment of the present utility model Other various forms of products, however, make any change in its shape or structure, it is every that there is same as the present application or phase Approximate technical scheme, all falls within the scope of protection of the utility model.

Claims (9)

1. a kind of precision die of electromobile battery moulding, including preceding mould and rear mold, it is characterised in that preceding mould is from top to bottom Include front shoe and front template successively, rear mold from top to bottom includes rear pattern plate and rear fixed plate successively, the bottom surface of front template and The top surface of rear pattern plate is respectively equipped with mutually corresponding fixing groove, and front cavity, rear pattern plate are embedded with the fixing groove of front template bottom surface The rear cavity matched with front cavity position correspondence, and Corresponding matching between front cavity and rear cavity are embedded with the fixing groove of top surface Afterwards formed with the die cavity for injection molding part;Sprue bush is embedded with front shoe, is respectively equipped with front template and front cavity Interconnected pours runner, and the both ends for pouring runner connect with the runner in sprue bush and die cavity respectively;The outer circumferential side of die cavity is provided with The core-pulling device in hole and/or groove on injection molding part;It is equipped with rear pattern plate for the moulding of shaping to be carried out The ejecting mechanism ejected from rear cavity, and the top of ejecting mechanism is in rear cavity insertion die cavity;Rear cavity is embedded to be set There is the ventilative insert with air-vent, and the air-vent of ventilative insert connects with the exhaust passage on rear pattern plate.
2. the precision die of electromobile battery moulding according to claim 1, it is characterised in that core-pulling device includes And for the angled core-pulling mechanism one of oblique hole on the left of injection molding part, for the straight of injection molding part right ports simultaneously and groove To core-pulling mechanism one, for oblique hole and the angled core-pulling mechanism two of oblique groove on the right side of injection molding part simultaneously, for simultaneously Injection molding part front-side holes and the straight of groove are taken out to core-pulling mechanism two, for injection molding part rear side the oblique of oblique groove simultaneously Core mechanism three;Angled core-pulling mechanism one is on the left of die cavity;Directly die cavity is located to core-pulling mechanism one and angled core-pulling mechanism two Right side;Directly to core-pulling mechanism two on front side of die cavity;Angled core-pulling mechanism three is on rear side of die cavity.
3. the precision die of electromobile battery moulding according to claim 2, it is characterised in that angled core-pulling mechanism One includes slide rail, sliding block, core_pulling pole and the cylinder for sliding block of releasing or bounce back, fixing groove left side and the front cavity of front template Left side is respectively equipped with the oblique chute one of mutually corresponding connection, and slide rail is fixed in oblique chute one in oblique, sliding block slidingtype In the chute of embedded slide rail, one end of core_pulling pole is fixed on sliding block one, and the left side of the other end insertion die cavity of core_pulling pole forms Oblique hole on the left of type moulding.
4. the precision die of electromobile battery moulding according to claim 3, it is characterised in that directly to core-pulling mechanism One and directly include core-pulling slide block one, back-moving spring one and Angle Pin one to core-pulling mechanism two, the right side and front side point of front cavity Not She You vertical through hole, be respectively equipped with directly to chute on the right side of the fixing groove of rear pattern plate, vertical through hole with directly being connected to chute is corresponding, The slidingtype of core-pulling slide block one is embedded in directly into chute, and the interior shaping of insertion die cavity after vertical through hole is run through in the front portion of core-pulling slide block one It is located on the right side of moulding with the hole of front side and groove, back-moving spring one directly into chute, and the both ends of back-moving spring one are supported respectively Touch in core-pulling slide block one and rear cavity conflict, core-pulling slide block one is inserted by entering line slip, Angle Pin one under the guiding of Angle Pin one Connect and be fixed on front template, the bottom of Angle Pin one can be inserted into the oblique pilot hole of core-pulling slide block one.
5. the precision die of electromobile battery moulding according to claim 4, it is characterised in that angled core-pulling mechanism Two include core-pulling slide block two, back-moving spring two and Angle Pin two, and the right side of front cavity is provided with oblique through hole, the fixing groove of rear pattern plate Right side is respectively equipped with oblique chute two, the connection corresponding with oblique chute two of oblique through hole, and the slidingtype of core-pulling slide block two is embedded in tiltedly Into chute two, the front portion of core-pulling slide block two run through after oblique through hole insert in die cavity on the right side of the injection molding part and hole of front side and Groove, back-moving spring two is located in oblique chute two, and the both ends of back-moving spring two contact at core-pulling slide block two and rear mold respectively Benevolence contradicts, and core-pulling slide block two by entering line slip under the guiding of Angle Pin two, on front template tiltedly lead by the plugged and fixed of Angle Pin two The bottom of post two can be inserted into the oblique pilot hole of core-pulling slide block two.
6. the precision die of electromobile battery moulding according to claim 5, it is characterised in that angled core-pulling mechanism Three include core-pulling slide block three, back-moving spring three and Angle Pin three, and the rear side of rear cavity is provided with oblique chute three, and core-pulling slide block three is slided Dynamic formula is embedded in oblique chute three, and core-pulling slide block three is molded oblique recessed on rear side of moulding after inserting in the die cavity of front cavity Groove, the outside inclined-plane of core-pulling slide block are bonded with the die cavity medial slope wedging of front cavity, and back-moving spring three is located at oblique chute three It is interior, and the both ends of back-moving spring three contact at core-pulling slide block three respectively and rear cavity contradicts, core-pulling slide block three passes through Angle Pin three Guiding under enter line slip, for the plugged and fixed of Angle Pin three in front cavity, the bottom of Angle Pin three can be inserted into core-pulling slide block three In oblique pilot hole.
7. the precision die of electromobile battery moulding according to claim 6, it is characterised in that also including three pieces of wedges Before tight block, each wedge block are located at the outside of Angle Pin one, Angle Pin two and Angle Pin three respectively, and each wedge block is individually fixed in In template, the medial slope of each wedge block is fixed with wedging locating piece, the lateral surface and core-pulling slide block of wedging locating piece in oblique The outside inclined-plane wedging fitting of two and two pieces of core-pulling slide blocks one.
8. the precision die of electromobile battery moulding according to claim 7, it is characterised in that be also in including section The concave block of character cut in bas-relief shape and section are in the projection of type shape, and concave block is fixed on the bottom surface of front template, and projection is fixed on rear pattern plate Top surface, and projection lug boss insertion concave block depressed part carry out it is spacing.
9. the precision die of electromobile battery moulding according to claim 8, it is characterised in that ejecting mechanism includes Angled slide block, push rod, the oblique angle ejector rod being arranged on rear pattern plate and directly lead to the straight push rod for being arranged in rear pattern plate plate, rear fixed plate Cross after support block is fixed with rear pattern plate and internally form cavity, angled slide block is in cavity, the bottom of the bottom of push rod and straight push rod Fixed respectively with angled slide block, the bottom of the top of push rod and oblique top connects, after the top of the top of angle ejector rod and straight push rod is run through Die cavity is can be inserted into after die;Cooling duct is respectively equipped with front template, front cavity, rear pattern plate and rear cavity, and front template is cold But passage connects with the cooling duct of front cavity, and the cooling duct of rear pattern plate connects with the cooling duct of rear cavity.
CN201720638687.0U 2017-06-02 2017-06-02 The precision die of electromobile battery moulding Active CN206796413U (en)

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CN201720638687.0U CN206796413U (en) 2017-06-02 2017-06-02 The precision die of electromobile battery moulding

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Application Number Priority Date Filing Date Title
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Address after: 214028 No.3, Xinrong Road, Xinwu District, Wuxi City, Jiangsu Province

Patentee after: SIPO Precision Technology Co., Ltd

Address before: 214000 No. b4-c, zone B, national high tech Development Zone, Wuxi City, Jiangsu Province (Xinrong Road)

Patentee before: SZEPAK PRECISION (WUXI) Co.,Ltd.