A kind of knuckle bracket mould structure for automobile shock
Technical field
The utility model relates to the technical field of mould, specifically a kind of knuckle bracket mould structure for automobile shock.
Background technology
In prior art, during cast article component, first aluminium liquid is poured in the cavity of casting mold, to be cooled solidify after can obtain solid-state foundry goods.The quality of mold die to product has a significant impact, when especially adopting sub-module design, with die joint in casting mold, easy generation mould shift defect, if foundry goods is also with pore structure, because core used by needs, more easily produce shape and size deviation, affect the form accuracy of casting mold, thus have influence on the quality of product.The existing mould for automobile shock parts often there is cover half frame and dynamic model frame quality of fit is poor, and mould open/close inconvenience, has influence on the problem of product quality then, and due to exhaust passage arrange problem, exhaust is often not smooth, makes product produce pore, affects product quality.
Summary of the invention
The purpose of this utility model is the knuckle bracket mould structure for automobile shock providing a kind of improvement, and it can overcome, and mould and die accuracy in prior art is not high, and the product of hole structure easily produces deviation, and exhaust is not smooth, and product easily produces the some shortcomings of pore.
To achieve these goals, the technical solution of the utility model is: a kind of knuckle bracket mould structure for automobile shock, it mainly comprises cover half frame, dynamic model frame, with the cover half core be located in cover half frame, it is characterized in that: be provided with the moving-mould-core corresponding with cover half core in dynamic model frame, cover half core and moving-mould-core are separately positioned on the centre of cover half frame and dynamic model frame;
The madial wall of cover half frame is provided with a sprue bush, and described sprue bush is connected with cover half core; The madial wall of moving-mould-core is provided with shunting matched with sprue bush, and one end of shunting is connected with a runner, and described runner is arranged in moving-mould-core, and the inwall of shunting is step-like funnel structure;
Be provided with cast die cavity in moving-mould-core, cast die cavity is connected with runner, and one end of runner is provided with two symmetrically arranged subflow roads, and each subflow road all becomes bell mouth shape;
Cast die cavity is made up of two parts, Part I is triangular structure, Part II is list structure, a bending angle is formed between first, second part, angle is 100-130 degree, two above-mentioned sub-runners, a sub-runner is connected with Part I, and another subflow road is connected with Part II;
Part II one end is connected with Part I, the edge of the other end is provided with thimble and air discharge duct, in the triangular structure of Part I, one of them angle is connected with Part II, the side at all the other two angles is equipped with thimble and cinder ladle, and each cinder ladle is equipped with outlet side, and outlet side is connected with an air discharge duct, described air discharge duct stretches out and is connected with dynamic model frame, is provided with the exhaust passage of matching with air discharge duct in dynamic model frame;
Be provided with three boss be arranged in order in the triangular structure of Part II, the center of each boss is equipped with a positioning rod, and three described boss are arranged in the groove of a strip, and the degree of depth of groove is 0.3-1cm.
During use, aluminium liquid pours in sprue bush, through shunting, runner, subflow flows into casting mold cavity behind road, be step-like funnel structure owing to shunting sub-inwall, subflow road is bell mouth shape, runner and subflow road are equipped with certain angle of inclination simultaneously, aluminium liquid flow at high speed can be made, just can filling casting mold cavity in the extremely short time, cast out high-quality product, the cinder ladle and the air discharge duct that are arranged on the outside of cast die cavity and the exhaust passage be connected, make exhaust more effectively smooth and easy, reduce the pore of product, improve the quality of mould, the fine positioning groove of lower flange die cavity surrounding and fine positioning projection make the location between cover half frame and dynamic model frame more accurate, substantially increase the product size precision of die casting, the center of each boss is equipped with a positioning rod simultaneously, ensure that accurate positioning when building porose product, deviation can not be produced.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one embodiment cover half frame.
Fig. 2 is the structural representation of the utility model one embodiment dynamic model frame.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model will be further described.
Label in each accompanying drawing is expressed as follows: 1 cover half frame, 2 guide pillars, 3 pins, 4 cooling water channels, 5 sprue bush, 6 cover half cores, 7 guide pin bushings, 8 release links, 9 fine positioning projections, 10 moving-mould-cores, 11 cinder ladles, 12 thimbles, 13 air discharge ducts, 14 runners, 15 shunting, 16 dynamic model frames, 17 mould pin, 18 bumping posts.
A kind of knuckle bracket mould structure for automobile shock described in this practicality, it mainly comprises cover half frame, dynamic model frame, with the cover half core be located in cover half frame, its difference with the prior art is: be provided with the moving-mould-core corresponding with cover half core in dynamic model frame, and cover half core and moving-mould-core are separately positioned on the centre of cover half frame and dynamic model frame; The madial wall of cover half frame is provided with a sprue bush, and described sprue bush is connected with cover half core; The madial wall of moving-mould-core is provided with shunting matched with sprue bush, and one end of shunting is connected with a runner, and described runner is arranged in moving-mould-core, and the inwall of shunting is step-like funnel structure; Be provided with cast die cavity in moving-mould-core, cast die cavity is connected with runner, and one end of runner is provided with two symmetrically arranged subflow roads, and each subflow road all becomes bell mouth shape; Cast die cavity is made up of two parts, Part I is triangular structure, Part II is list structure, a bending angle is formed between first, second part, angle is 100-130 degree, two above-mentioned sub-runners, a sub-runner is connected with Part I, and another subflow road is connected with Part II; Part II one end is connected with Part I, the edge of the other end is provided with thimble and air discharge duct, in the triangular structure of Part I, one of them angle is connected with Part II, the side at all the other two angles is equipped with thimble and cinder ladle, and each cinder ladle is equipped with outlet side, and outlet side is connected with an air discharge duct, described air discharge duct stretches out and is connected with dynamic model frame, is provided with the exhaust passage of matching with air discharge duct in dynamic model frame; Be provided with three boss be arranged in order in the triangular structure of Part II, the center of each boss is equipped with a positioning rod, and three described boss are arranged in the groove of a strip, and the degree of depth of groove is 0.3-1cm.
The triangle cast die cavity bottom surface of Part II is ramped shaped, described slope is formed by connecting by 3-5 sub-slope, be seamless connectivity between adjacent sub-slope, above-mentionedly to advance layer by layer, the design that gradient increases layer by layer makes aluminium liquid flow at high speed, just can filling casting mold cavity in the extremely short time, cast out high-quality product.
Cover half frame is evenly distributed with four guide pillars, described guide pillar divides the surrounding being located at cover half frame working face, and the height of guide pillar is 3-5cm; Dynamic model frame is provided with the guide pin bushing matched with guide pillar; Four drift angle places of dynamic model frame are respectively equipped with a fine positioning projection, four drift angle places of cover half core working face are provided with the fine positioning groove matched with fine positioning projection, the height of described fine positioning projection is 3-5mm, make the location between cover half frame and dynamic model frame more accurate, substantially increase the product size precision of die casting.The middle part of cover half core is provided with a cooling water channel, and cooling water channel runs through whole cover half core.A release link on fine positioning projection, described release link has four, is evenly arranged on four drift angle places of moving-mould-core, makes the location between cover half frame and dynamic model frame more accurate, substantially increase the product size precision of die casting.
The inside of runner is skewed, and inside, subflow road is in skewed, and said structure all can increase pressure and make aluminium liquid flow at high speed, just can filling casting mold cavity in the extremely short time, casts out high-quality product.The side of pin mould is provided with bumping post, and bumping post is the cylinder of hollow.
In force, cover half frame, dynamic model frame is fixed on die casting machine, wherein dynamic model frame can slide accurately, be located at the guide pillar on cover half frame and be located at the folding of the guide pin bushing on dynamic model frame to mould and play guide effect, aluminium liquid pours in sprue bush, through shunting, runner, subflow flows into casting mold cavity behind road, shape due to runner can increase pressure with setting and make aluminium liquid flow at high speed, just can filling casting mold cavity in the extremely short time, cast out high-quality product, be arranged on air discharge duct and the exhaust bag in the outside of cast die cavity, make exhaust more effective, reduce the pore of product, improve the quality of mould, the fine positioning groove of lower flange die cavity surrounding and fine positioning projection make the location between cover half frame and dynamic model frame more accurate, substantially increase the product size precision of die casting, the center of each boss is equipped with a positioning rod simultaneously, ensure that accurate positioning when building porose product, deviation can not be produced.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model, can not assert that the utility model is specifically implemented to be confined to these explanations above-mentioned.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.