CN208322050U - Die casting - Google Patents

Abstract

The utility model discloses a kind of die casting, which includes type chamber and integrated cast structure；The type chamber includes main cavity and side wall chamber, and the main cavity has the first side and second side being oppositely arranged, and the side wall chamber is extended to form from the first side of the main cavity to the direction away from the second side；The integrated cast structure includes main integrated cast structure and auxiliary integrated cast structure, and the main integrated cast structure includes main running channel and the main cast gate connecting with the second side being arranged on the main running channel；The auxiliary integrated cast structure includes auxiliary flow and dozzle, and the auxiliary flow is open at one end to be connect with the first side, and the other end is open to form the dozzle, and the dozzle is connect with the side wall chamber.The technical solution of the utility model can improve die-cast product and the problem of sand holes easily occurs.

Description

Die casting

Technical field

The utility model relates to Design of Die field, in particular to a kind of die casting.

Background technique

Currently, in the production process of die-cast product, due to the presence of sand holes problem, it will lead to the appearance of product and interior It can all be a greater impact in quality, and the Design of Runner System of mold is to determine the principal element of product sand holes problem.Especially It is the product for being additionally provided with relatively thin side wall piece in certain product main bodies, especially when the side wall on piece is additionally provided with the production of column cap For product, due in a mold, formed the side wall chamber of side wall piece usually apart from main cast gate farther out, and the water conservancy diversion cross section of side wall chamber It being excessively narrow again, the metal liquid formed at the column cap chamber of column cap can only import filling by the side wall chamber connecting with main cast gate, Therefore, the filling of the metal liquid at the side wall chamber and column cap chamber is with regard to extremely difficult, so as to cause often will appear sand herein Eye, drastically influences the appearance and internal soundness of product, the subsequent tapping processing quality especially at column cap.

Utility model content

The main purpose of the utility model is to provide a kind of die casting, it is intended to improve die-cast product and asking for sand holes easily occurs Topic.

To achieve the above object, the utility model proposes die casting include type chamber and integrated cast structure；The type chamber packet Include main cavity and side wall chamber, the main cavity has a first side and second side being oppositely arranged, and the side wall chamber is from institute It states and is extended to form in the first side of main cavity to the direction away from the second side；The integrated cast structure includes main casting knot Structure and auxiliary integrated cast structure, the main integrated cast structure include main running channel and be arranged on the main running channel with described second The main cast gate of side connection；The auxiliary integrated cast structure includes auxiliary flow and dozzle, and the auxiliary flow is open at one end It is connect with the first side, the other end is open to form the dozzle, and the dozzle is connect with the side wall chamber.

Optionally, the auxiliary integrated cast structure is set to the inside of the type chamber.

Optionally, on the section in inward-outward direction, the thickness of the auxiliary flow is greater than or equal to the side wall chamber 3 times of thickness.

Optionally, the sectional area of the dozzle is equal to or less than the sectional area of the auxiliary flow.

Optionally, the dozzle is connected to the middle part of the side wall chamber.

Optionally, the column cap chamber to form column cap is extended outward to form in the middle part of the side wall chamber, the auxiliary is poured Mouth is connect with the junction of the side wall chamber and the column cap chamber.

Optionally, the L-shaped setting in the section of the auxiliary flow.

Optionally, the auxiliary flow includes the first runner section connecting with the first side and connects with the side wall chamber The bending junction of the second flow channel section connect the first runner section and the second flow channel section is arranged in arc transition.

Optionally, the section of the dozzle is square or round, and on the section along inward-outward direction, the auxiliary The thickness of cast gate is greater than the thickness of the main cast gate.

Optionally, the die casting further includes the multiple cinder ladles being arranged at intervals in the first side, the auxiliary One end of runner is connected to the gap location in the first side between two adjacent cinder ladles.

In the technical solution of the utility model, other than being provided with conventional main running channel and main cast gate, also it is additionally arranged auxiliary Help runner and dozzle, and the first side of auxiliary flow one end and main cavity connects, the other end auxiliary to be formed that is open is poured Mouthful be directly connected to side wall chamber, when metal liquid filled-type chamber, metal liquid in addition to can enter from main cavity side wall chamber it Outside, a part can also be shunted and flowed into side wall chamber from auxiliary flow through dozzle, so as to make the molten metal in side wall chamber Body fills situation, and the intracavitary metal liquid filling situation of the column cap being especially set on side wall chamber can thoroughly be improved, be changed Yan Zhi, the technical solution of the utility model can be by the auxiliary integrated cast structures added, so that side wall chamber and column cap chamber are in filling Being replenished in time for metal liquid at dozzle can be obtained, so that filling is more complete, side wall chamber in the prior art can be solved The problem of area of passage is excessively narrow, so be effectively improved because fill it is bad caused by sand holes problem so that the yields of product It is greatly improved, and also ensures that the tapping at product column cap can smoothly be implemented.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the type chamber of one embodiment of the utility model die casting and the structural schematic diagram of integrated cast structure；

Fig. 2 is the structural schematic diagram of the medium-sized chamber of Fig. 1 and another angle of integrated cast structure.

Drawing reference numeral explanation:

Label	Title	Label	Title
				1	Type chamber	11	Main cavity
111	First side	112	Second side
				12	Side wall chamber	121	Column cap chamber
13	Radiating ribs chamber	2	Integrated cast structure
				21	Main integrated cast structure	211	Main running channel
211a	Sprue	211b	Cross gate
				211c	Left and right runner	212	Main cast gate
22	Assist integrated cast structure	221	Auxiliary flow
				221a	First runner section	221b	Second flow channel section
222	Dozzle	3	Cinder ladle

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture) Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.

In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of case is not present, also not within the protection scope of the requires of the utility model.

The utility model proposes a kind of die castings.

It should include type chamber 1 and integrated cast structure 2 in an embodiment of the utility model referring to figs. 1 to Fig. 2.Wherein, type chamber 1 Including main cavity 11 and side wall chamber 12, main cavity 11 has the first side 111 and second side 112 being oppositely arranged, side wall It is extended to form in the first side 111 of the autonomous body cavity 11 of chamber 12 to the direction away from second side 112；Integrated cast structure 2 includes master Integrated cast structure 21 and auxiliary integrated cast structure 22, main integrated cast structure 21 include main running channel 211 and are arranged on main running channel 211 The main cast gate 212 being connect with second side 112；Assisting integrated cast structure 22 includes auxiliary flow 221 and dozzle 222, auxiliary Runner 221 is open at one end to be connect with first side 111, and the other end is open to form dozzle 222, dozzle 222 and side wall Chamber 12 connects.

It should be noted that, for die casting, generally include the routine portions such as cover half (not shown), dynamic model (not shown) herein Part, wherein internal after fixed half and moving half molding to be formed with type chamber 1, type chamber 1 flows into metal liquid, running channel and type chamber 1 by running channel Junction be cast gate, through cast gate inflow type chamber 1 and gradually filling is full from running channel for metal liquid, then the cooling shape of metal liquid At die-cast product.In the present embodiment, using second side 112 towards the direction of first side 111 as inward direction, pressed with this Die-cast product made of casting mould is specially a radiator, and specific structure includes product main body, the front side in product main body Multiple spaced radiating ribs (radiating ribs chamber 13 is corresponded in type chamber 1) of forwardly convex formation and far from main on face The side wall piece (side wall chamber 12 is corresponded in type chamber 1) at two intervals extended inwardly to form in the first side 111 of cast gate 212, Wherein, it is additionally provided with multiple column caps (corresponding to column cap chamber 121 in type chamber 1) in side wall on piece, and is needed at these column caps subsequent Tapping processing.Conventionally, as the filling of metal liquid at column cap can only be by the side wall chamber 12 that connect with cast gate It imports, and the water conservancy diversion cross section of side wall chamber 12 is excessively narrow, therefore the filling of the metal liquid at column cap is with regard to extremely difficult, thus Cause often to will appear sand holes herein, drastically influences the subsequent tapping processing quality at product column cap.

Here, the main running channel 211 of the main integrated cast structure 21 in the present embodiment specifically includes sprue 211a and cross gate 211b, in addition to this, main integrated cast structure 21 further include left and right runner 211c etc., and one end of cross gate 211b connects sprue 211a, the other end connect left and right runner 211c, and then runner 211c in left and right connects the type chamber 1 of main cast gate 212 to product.Tool Body, the second side 112 of main cavity 11, the i.e. outer end of lateral surface is arranged in main cast gate 212, and in first side 111, i.e., Multiple cinder ladles 3 and exhaust duct are arranged at intervals on medial surface.Here, as shown in Figure 1, in the present embodiment, auxiliary flow 221 one end is preferably attached to the gap location in first side 111 between two adjacent cinder ladles 3, and as close as possible to side wall chamber 12, with Shorten filling circulation path and filling time.

In the present embodiment, other than being provided with conventional main running channel 211 and main cast gate 212, also it is additionally arranged auxiliary flow Road 221 and dozzle 222, and 221 one end of auxiliary flow is connect with the first side 111 of main cavity 11, other end opening shape At dozzle 222 be directly connected to side wall chamber 12, when metal liquid filled-type chamber 1, metal liquid is in addition to can be from master Body cavity 11 enters except side wall chamber 12, can also shunt a part from auxiliary flow 221 and flow into side wall chamber 12 through dozzle 222 In, so as to make the metal liquid in side wall chamber 12 fill situation, the gold being especially set in the column cap chamber 121 on side wall chamber 12 Belonging to liquid filling situation can thoroughly be improved, and in other words, the technical solution of the utility model can be poured by the auxiliary added Structure 22 is infused, side wall chamber 12 and column cap chamber 121 is enabled to obtain the timely benefit of metal liquid at dozzle 222 in filling It fills, so that filling is more complete, can solve the problems, such as that the area of passage of side wall chamber 12 in the prior art is excessively narrow, and then effectively change It is kind because fill it is bad caused by sand holes problem so that the yields of product is greatly improved, and also ensure product column cap The tapping at place can smoothly be implemented.

Referring to Figures 1 and 2, in the present embodiment, be all due to the limitation of product structure, on the outside of two side wall pieces of product by Sliding block is (not shown) to be formed, therefore integrated cast structure 22 is assisted to be preferably disposed to the inside of type chamber 1, i.e., pours auxiliary flow 221 and auxiliary The inside of type chamber 1 is arranged in mouth 222, and auxiliary flow 221 is drawn by the first side 111 of main cavity 11.Here, auxiliary Runner 221, which is arranged inside type chamber 1, has following two big advantages: the first, avoiding auxiliary flow 221 and be opened at side wall sliding block Trouble, can directly be opened up using the broad space inside type chamber 1, extremely simple and facilitate；The second, because in metal liquid When filling, temperature is higher, the filling time the short then more advantageous to filling, therefore auxiliary flow 221, which is opened in 1 inside of type chamber, just to be had Conducive to the temperature of holding metal liquid, and shorten the filling time.

Further, as shown in Figure 1, in the present embodiment, on the section in inward-outward direction, auxiliary flow 221 Thickness is preferably greater than or equal to 3 times of 12 thickness of side wall chamber.It is appreciated that the passage section thickness when auxiliary flow 221 compares side The thickness of wall chamber 12 is much bigger, when the sectional area of especially dozzle 222 is also larger, so that it may reduce 221 tunnel of auxiliary flow The filling temp of filling resistance and holding metal liquid on diameter, so that the filling time shortens, metal liquid is filled more It is unimpeded, so that the occupied state that side wall chamber 12 is especially at the column cap chamber 121 being set at side wall chamber 12 has obtained greatly Improve, and then improve product in the internal soundness at this position, ensure that going on smoothly for subsequent tapping processing at column cap.

Further, the sectional area that the sectional area of dozzle 222 can refer to auxiliary flow 221 is chosen, and general auxiliary is poured Ratio between the sectional area of mouth 222 and the sectional area of auxiliary flow 221 is preferably within the scope of 1:1~1:1.2.Such as Fig. 2 institute Show, in the present embodiment, the sectional area of dozzle 222 is equal to the sectional area of auxiliary flow 221.This is provided with auxiliary conducive to increasing Help the stuffing pressure at cast gate 222.

Further, referring to Figures 1 and 2, in the present embodiment, dozzle 222 is connected to the middle part of side wall chamber 12.When So in other embodiments, dozzle 222 also be can connect in side wall chamber 12 close to the part in outside or close to the portion of inside Point, but in the present embodiment, the middle part that dozzle 222 is connected to side wall chamber 12 may make the filling of metal liquid faster more evenly Side wall chamber 12.

Further, in the present embodiment, the middle part of side wall chamber 12 extends outward to form the column cap to form column cap Chamber 121, dozzle 222 are connect with the junction of side wall chamber 12 and column cap chamber 121.Here, since dozzle 222 is directly logical To the root of column cap chamber 121, so as to easily directly to feeding at column cap, be conducive to improve filling out at column cap chamber 121 Fill speed and quality.

Specifically, referring to Figures 1 and 2, in the present embodiment, the L-shaped setting of auxiliary flow 221, including with first side The first runner section 221a of the 111 connections and second flow channel section 221b being connect with side wall chamber 12.Certainly auxiliary in other embodiments Helping the section of runner 221 can also be arranged in other shapes, such as, but not limited to camber etc., but the setting of the present embodiment L-type can Take into account structure it is simple, it is easy to make and reduce 221 path of auxiliary flow on filling resistance the advantages that.Particularly, first-class The bending junction of road section 221a and second flow channel section 221b is arranged in arc transition.It is appreciated that the circular arc mistake of the bending place It crosses setting and advantageously reduces the metal liquid circulating resistance of bending place, and when arc size is larger is also advantageous to filling feeding.

Referring to Fig. 2, in the present embodiment, further, the section of dozzle 222 is preferably square or round, and Along the section of inward-outward direction, the thickness of dozzle 222 is greater than the thickness of main cast gate 212, in this way, can shorten dozzle The metal liquid filling time at 222, to improve filling quality.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of die casting characterized by comprising

Type chamber, the type chamber include main cavity and side wall chamber, and the main cavity has the first side and second being oppositely arranged Side, the side wall chamber are extended to form from the first side of the main cavity to the direction away from the second side；And

Integrated cast structure, the integrated cast structure include main integrated cast structure and auxiliary integrated cast structure, and the main integrated cast structure includes that master pours Road and the main cast gate being connect with the second side being arranged on the main running channel；The auxiliary integrated cast structure includes auxiliary Runner and dozzle, the auxiliary flow is open at one end to be connect with the first side, and the other end is open to form the auxiliary Cast gate, the dozzle are connect with the side wall chamber.

2. die casting as described in claim 1, which is characterized in that the auxiliary integrated cast structure is set to the interior of the type chamber Portion.

3. die casting as claimed in claim 2, which is characterized in that on the section in inward-outward direction, the auxiliary flow The thickness in road is greater than or equal to 3 times of the side wall chamber thickness.

4. die casting as claimed in claim 3, which is characterized in that the sectional area of the dozzle is equal to or less than described The sectional area of auxiliary flow.

5. die casting as claimed in claim 2, which is characterized in that the dozzle is connected in the side wall chamber Portion.

6. die casting as claimed in claim 5, which is characterized in that extended outward to form in the middle part of the side wall chamber to The column cap chamber of column cap is formed, the dozzle is connect with the junction of the side wall chamber and the column cap chamber.

7. die casting as claimed in claim 2, which is characterized in that the L-shaped setting in the section of the auxiliary flow.

8. die casting as claimed in claim 7, which is characterized in that the auxiliary flow includes connecting with the first side First runner section and the second flow channel section first runner section that is connect with the side wall chamber and the second flow channel section it is curved Junction is rolled over to be arranged in arc transition.

9. die casting as claimed in claim 2, which is characterized in that the section of the dozzle is square or circle, and On the section along inward-outward direction, the thickness of the dozzle is greater than the thickness of the main cast gate.

10. die casting as described in any one of claim 1 to 9, which is characterized in that the die casting further includes that interval is set The multiple cinder ladles being placed in the first side, one end of the auxiliary flow are connected to two adjacent cinder ladle in the first side Between gap location.