CN217798887U

CN217798887U - Die casting die with compound feeding function

Info

Publication number: CN217798887U
Application number: CN202222207783.3U
Authority: CN
Inventors: 李书日; 阳建明; 杜家明
Original assignee: Dongguan Kangsi Metal Products Co ltd
Current assignee: Dongguan Kangsi Metal Products Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2022-11-15
Anticipated expiration: 2032-08-22

Abstract

The utility model discloses a die casting die with compound feeding function, including last mold core and with the lower mold core of last mold core looks lock, side direction forming mechanism has been installed to at least one end between last mold core and the lower mold core, it is used for the fashioned shaping die cavity of work piece to form between last mold core, lower mold core and the side direction forming mechanism, the shaping die cavity is equipped with a plurality of and is used for the fashioned concave cavity portion of bellying to the work piece, still including inserting the runner cover of establishing between last mold core and lower mold core, the hot runner way has been seted up at lower mold core top, the hot runner way is linked together with the runner cover, be equipped with a plurality of horizontal feed inlets and a plurality of punctiform feed inlets corresponding with cavity portion quantity on the hot runner way respectively, horizontal feed inlet is linked together with the chamber wall plane of shaping die cavity, punctiform feed inlet is linked together with the concave cavity portion of shaping die cavity; through the composite feeding mode of the transverse feeding port and the point-shaped feeding port, the phenomena of material shortage, undercasting and the like of workpieces are effectively avoided.

Description

Die casting die with compound feeding function

Technical Field

The utility model relates to a die casting die's technical field, in particular to die casting die with compound feeding function.

Background

The workpiece is generally subjected to die-casting molding by using a die-casting mold, the die-casting mold is provided with a molding mold cavity corresponding to the shape of the workpiece, wherein the die-casting mold is provided with a feeding hole at the cavity wall position with a planar shape in the molding mold cavity, and the die-casting mold can well mold the workpiece with a simple shape and is full in molding.

However, the above die casting mold is prone to have a phenomenon of incomplete molding when a complex workpiece is molded, especially a complex workpiece with a protrusion, and the die casting mold needs to arrange a plurality of cavity portions corresponding to the shape of the protrusion in a molding cavity of the die casting mold.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned defect among the prior art, provide a die casting die with compound feeding function, adopt the compound feeding mode of horizontal feed inlet and punctiform feed inlet, can let the work piece shaping full, wherein, the punctiform feed inlet can let a plurality of bellying shaping of work piece full, does not appear lacking the material, lack the material and owe phenomenon such as cast.

In order to realize the above-mentioned purpose, the utility model provides a die casting die with compound feeding function, including last mold core and with the lower mold core of last mold core looks lock, go up the mold core and install side direction forming mechanism with lower between the mold core at least one end, it is used for the fashioned shaping die cavity to the work piece to form between mold core, lower mold core and the side direction forming mechanism, the shaping die cavity is equipped with a plurality of and is used for the fashioned cavity portion of bellying to the work piece, still including inserting the runner cover of establishing between last mold core and the lower mold core, the hot runner way has been seted up at lower mold core top, the hot runner way is linked together with the runner cover, be equipped with the punctiform feed inlet that a plurality of transverse feed inlet and a plurality of and cavity portion quantity correspond on the hot runner way respectively, transverse feed inlet is linked together with the chamber wall plane of shaping die cavity, punctiform feed inlet is linked together with the cavity portion of shaping die cavity.

Preferably, the number of the transverse feed inlets of the heat flow channel is three, and the three transverse feed inlets are respectively a first transverse feed inlet communicated with the front side cavity wall of the molding cavity, a second transverse feed inlet communicated with the middle side cavity wall of the molding cavity and a third transverse feed inlet communicated with the rear side cavity wall of the molding cavity; the first transverse feeding hole, the second transverse feeding hole and the third transverse feeding hole are arranged, so that the high-temperature molten metal can be uniformly filled when the molding die cavity is filled with the molten metal, the filling speed is higher, and the molding quality of a workpiece is ensured.

Preferably, the number of the cavity portions of the molding cavity is three, and the three cavity portions are a first cavity portion provided on the front side of the molding cavity, a second cavity portion provided on the middle side of the molding cavity, and a third cavity portion provided on the rear side of the molding cavity.

Preferably, the number of the point-shaped feed inlets of the heat flow channel is three, and the three point-shaped feed inlets are respectively a first point-shaped feed inlet communicated with the first cavity, a second point-shaped feed inlet communicated with the second cavity and a third point-shaped feed inlet communicated with the third cavity; the first point-shaped feed port, the second point-shaped feed port and the third point-shaped feed port are arranged, so that each protruding part of the workpiece can be effectively filled and fully molded by high-temperature molten metal.

Preferably, the lateral forming mechanism comprises a transverse sliding seat arranged at one end of the upper mold core and one end of the lower mold core, a lateral mold core sliding block connected with the transverse sliding seat in a sliding manner, an inclined guide post inserted on the lateral mold core sliding block and used for driving the lateral mold core sliding block to reciprocate transversely, a stop block arranged at one end of the lateral mold core sliding block and a lateral mold core inserted on the stop block; the stop and the side core are used together for forming a side wall of the workpiece.

Preferably, the hot-melt forming die further comprises a feeding sleeve inserted on the upper die core, the sprue bush is inserted at the bottom of the feeding sleeve, and the feeding sleeve is arranged to facilitate the flow of the high-temperature molten metal to the sprue bush.

Preferably, the die further comprises an upper die holder and a lower die holder which is pressed with the upper die holder, the upper die core is embedded at the bottom of the upper die holder, and the lower die core is embedded at the top of the lower die holder.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses a die casting die with compound feeding function, high temperature molten metal liquid flows into the runner cover at first, then flows into the hot runner way, finally flows into horizontal feed inlet and some feed inlets respectively, fills the shaping die cavity; the transverse feeding hole is beneficial to the large amount of high-temperature molten metal entering a forming die cavity, and the forming speed is high; the point-shaped feeding port is beneficial to filling and forming of the high-temperature molten metal on the convex part of the complex workpiece, on one hand, the structure of the point-shaped feeding port is small, the forming shape of the convex part of the workpiece is guaranteed, the subsequent processing treatment of the convex part of the workpiece is facilitated, and on the other hand, the phenomena of material shortage, undercasting and the like at the convex part of the workpiece are avoided.

2. The utility model provides a pair of die casting die with compound feeding function adopts the compound feeding mode of horizontal feed inlet and punctiform feed inlet, can let the work piece shaping full, and wherein, the punctiform feed inlet can let a plurality of bellying shaping of work piece full, avoids appearing lacking the material, lack the material and owe phenomenons such as casting, this mould shaping high quality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an exploded schematic view of a die casting mold with a composite feeding function provided by the present invention;

fig. 2 is a schematic structural view of the upper mold core, the lower mold core and the lateral forming mechanism provided by the invention when the molds are closed;

FIG. 3 is a schematic plan view of the top of the lower mold core provided by the present invention;

fig. 4 is a schematic structural view of a sprue bush and a feeding sleeve provided by the present invention;

fig. 5 is a schematic structural view of the lateral forming mechanism provided by the present invention;

fig. 6 is a schematic structural diagram of the ejection mechanism provided by the present invention;

fig. 7 is a schematic view of a prior art workpiece structure.

The figure comprises the following components:

1. an upper mold core; 10. a feeding sleeve; 100. an injection port; 11. an ejection mechanism; 111. a longitudinal slide; 112. mounting a plate; 113. a thimble guide post; 12. a workpiece; 120. a boss portion; 121. a first boss portion; 122. a first boss portion; 123. a first boss portion; 2. a lower mold core; 3. an upper die holder; 4. a lower die holder; 5. a lateral forming mechanism; 51. a transverse slide carriage; 52. a side core slide block; 53. an inclined guide post; 54. a stopper; 55. a side core; 8. a sprue bush; 80. a feeding guide part; 9. a heat flow channel; 91. a transverse feed port; 911. a first lateral feed port; 912. a second lateral feed opening; 913. a third transverse feed port; 92. a point-shaped feed inlet; 921. a first point feed inlet; 922. a second point-shaped feed inlet; 923. and a third point-shaped feed inlet.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiment is an embodiment of the present invention, rather than the whole embodiments. Based on this embodiment in the present invention, all other embodiments obtained by the ordinary skilled person in the art without creative work all belong to the protection scope of the present invention.

Please refer to fig. 1 to 7, an embodiment of the present invention provides a die casting mold with a composite feeding function, including an upper mold core 1, a lower mold core 2, a lateral forming mechanism 5, the upper mold core 1 and the lower mold core 2 are fastened, the number of the lateral forming mechanism 5 is set to be at least one, the lateral forming mechanism 5 is installed at one end between the upper mold core 1 and the lower mold core 2, the upper mold core 1, a forming mold cavity for forming a workpiece 12 is formed between the lower mold core 2 and the lateral forming mechanism 5, the forming mold cavity is provided with a plurality of cavity portions for forming a bulge 120 of the workpiece 12, a sprue bush 8 is inserted between the upper mold core 1 and the lower mold core 2, a hot runner channel 9 is provided at the top of the lower mold core 2, the hot runner channel 9 is communicated with the sprue bush 8, the hot runner channel 9 is provided with a plurality of transverse feed inlets 91 and a plurality of point-like feed inlets 92 corresponding to the number of the cavity portions, the transverse feed inlets 91 are communicated with the cavity wall plane of the forming mold cavity, and the feed inlets 92 are communicated with the point-like cavities.

More specifically, in some embodiments, the number of the lateral forming mechanisms 5 is two, one of the lateral forming mechanisms 5 is installed at one end between the upper mold core 1 and the lower mold core 2, the other of the lateral forming mechanisms 5 is installed at the other end between the upper mold core 1 and the lower mold core 2, the number of the forming cavities is two, one of the forming cavities is a cavity formed between the upper mold core 1, the lower mold core 2 and one of the lateral forming mechanisms 5, the other of the forming cavities is a cavity formed between the upper mold core 1, the lower mold core 2 and the other of the lateral forming mechanisms 5, the number of the heat flow passages 9 is two, one of the heat flow passages 9 is respectively communicated with the sprue bush 8 and one of the forming cavities, the other of the heat flow passages 9 is respectively communicated with the sprue bush 8 and the other of the forming cavities, the two heat flow passages 9 are identical in structure, and each of the two heat flow passages 9 has a plurality of lateral feed ports 91 and a plurality of dot-shaped feed ports 92.

The transverse feed port 91 of the single hot runner channel 9 is in a flat opening shape at the molding die cavity, so that the molding die cavity can be quickly filled with molten metal at high temperature; the point-shaped feed inlet 92 of the single heat flow channel 9 is in a narrow opening shape at the molding die cavity, so that the high-temperature molten metal can flow into the cavity part of the molding die cavity conveniently, and the bulge part 120 of the workpiece 12 can be molded fully. The point-shaped feeding port 92 is beneficial to filling and molding the convex part 120 of the complex workpiece 12 by high-temperature molten metal, on one hand, the point-shaped feeding port 92 has a smaller structure, so that the molding shape of the convex part 120 of the workpiece 12 is ensured, and the subsequent processing treatment of the convex part 120 of the workpiece 12 is facilitated, and on the other hand, the phenomena of material shortage, undercasting and the like at the position of the convex part 120 of the workpiece 12 are avoided.

The number of the lateral feed inlets 91 of the single heat flow channel 9 is three, and the three lateral feed inlets 91 are respectively a first lateral feed inlet 911 communicated with the front side cavity wall of the molding cavity, a second lateral feed inlet 912 communicated with the middle side cavity wall of the molding cavity, and a third lateral feed inlet 913 communicated with the rear side cavity wall of the molding cavity.

As shown in fig. 7, fig. 7 is a shape of a work 12 formed after die casting of a die casting mold with a composite feed function of the present embodiment, wherein the convex portions 120 of the work 12 include a first convex portion 121 provided on a front side of the molding cavity, a second convex portion 122 provided on a middle side of the molding cavity, and a third convex portion 123 provided on a rear side of the molding cavity. In order to fully mold the first boss 121, the second boss 122 and the third boss 123 after die casting, the number of cavities of a single molding cavity is three, and the three cavities are respectively a first cavity for molding the first boss 121 of the workpiece 12, a second cavity for molding the second boss 122 of the workpiece 12 and a third cavity for molding the third boss 123 of the workpiece 12; the number of the point-shaped feed inlets 92 of the single heat flow channel 9 is three, and the three point-shaped feed inlets 92 are respectively a first point-shaped feed inlet 921 communicated with the first cavity, a second point-shaped feed inlet 922 communicated with the second cavity, and a third point-shaped feed inlet 923 communicated with the third cavity. The first transverse feeding hole 911, the second transverse feeding hole 912 and the third transverse feeding hole 913 can ensure that the high-temperature molten metal is uniformly filled when filling the molding die cavity, the filling speed is higher, and the molding quality of the workpiece 12 is ensured. The first point-shaped feed port 921, the second point-shaped feed port 922 and the third point-shaped feed port 923 enable the first protruding portion 121, the second protruding portion 122 and the third protruding portion 123 of the workpiece 12 to be filled and fully molded by high-temperature molten metal liquid.

The single lateral forming mechanism 5 includes a lateral slide 51 mounted at one end of the upper and lower dies 1 and 2, a side core slide 52 slidably connected to the lateral slide 51, a tilt guide post 53 inserted on the side core slide 52 for driving the side core slide 52 to reciprocate laterally, a stopper 54 mounted at one end of the side core slide 52, and a side core 55 inserted on the stopper 54, the stopper 54 and the side core 55 being used together for forming one side wall of the workpiece 12.

The utility model discloses a die casting die with compound feeding function, still including inserting pan feeding sleeve 10, upper die base 3 of establishing on last mold core 1 and with the die holder 4 of 3 looks pressfittings of upper die base, go up mold core 1 and inlay and establish in 3 bottoms of upper die base, lower mold core 2 inlays and establishes at 4 tops of die holder. The sprue bush 8 is inserted at the bottom of the feeding sleeve 10, the top of the sprue bush 8 is provided with a feeding guide portion 80, the feeding guide portion 80 is inserted at the bottom of the feeding sleeve 10, the top of the feeding sleeve 10 is provided with an injection opening 100, a main channel communicated with the injection opening 100 is formed between the feeding sleeve 10 and the feeding guide portion 80, and the bottom of the main channel is communicated with the hot flow channel 9. The bottom of the lower die seat 4 is provided with an ejection mechanism 11 which is used for ejecting a workpiece 12 of the lower die core 2 after the upper die core 1 and the lower die core 2 are opened. The ejection mechanism 11 includes a longitudinal sliding base 111 installed at the bottom of the lower die base 4, a mounting plate 112 slidably connected to the longitudinal sliding base 111 for mounting the ejector pins, and an ejector pin guide post 113 inserted on the mounting plate 112 for driving the mounting plate 112 to reciprocate longitudinally.

The utility model discloses a die casting die with compound feeding function, with high temperature molten metal flow in pan feeding sleeve 10's injection opening 100 earlier, flow to the main entrance again, flow to hot runner 9 after that, flow in horizontal feed inlet 91 and punctiform feed inlet 92 respectively at last, adopt the compound feeding mode of horizontal feed inlet 91 and punctiform feed inlet 92, can let the shaping of work piece 12 full, wherein, punctiform feed inlet 92 can let the shaping of a plurality of bellying 120 of work piece 12 full, lack of material and phenomenon such as owing casting do not appear.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A die-casting die with a composite feeding function comprises an upper die core (1) and a lower die core (2) buckled with the upper die core (1), wherein a lateral forming mechanism (5) is arranged at least at one end between the upper die core (1) and the lower die core (2), a forming die cavity for forming a workpiece (12) is formed among the upper die core (1), the lower die core (2) and the lateral forming mechanism (5), the forming die cavity is provided with a plurality of cavity parts for forming a protruding part (120) of the workpiece (12), the die-casting die is characterized by further comprising a sprue bush (8) inserted between the upper die core (1) and the lower die core (2), a hot runner channel (9) is formed in the top of the lower die core (2), the hot runner channel (9) is communicated with the sprue bush (8), the hot runner channel (9) is respectively provided with a plurality of transverse feed inlets (91) and a plurality of point-shaped feed inlets (92) corresponding to the number of the cavity parts, the transverse feed inlets (91) are communicated with the plane of the forming die cavity wall, and the point-shaped feed inlets (92) are communicated with the forming die cavity.

2. The die casting mold with the composite feeding function as claimed in claim 1, wherein the number of the lateral feed openings (91) of the heat flow channel (9) is set to three, and the three lateral feed openings (91) are a first lateral feed opening (911) communicating with a front side cavity wall of the molding cavity, a second lateral feed opening (912) communicating with a middle side cavity wall of the molding cavity, and a third lateral feed opening (913) communicating with a rear side cavity wall of the molding cavity, respectively.

3. A die casting mold with a composite feeding function as claimed in claim 1, wherein the number of the cavity portions of the molding cavity is three, and three of the cavity portions are a first cavity portion for molding a first convex portion (121) of the work (12), a second cavity portion for molding a second convex portion (122) of the work (12), and a third cavity portion for molding a third convex portion (123) of the work (12), respectively.

4. The die-casting die with the composite feeding function is characterized in that the number of the point-shaped feeding holes (92) of the heat flow channel (9) is three, and the three point-shaped feeding holes (92) are respectively a first point-shaped feeding hole (921) communicated with the first cavity, a second point-shaped feeding hole (922) communicated with the second cavity and a third point-shaped feeding hole (923) communicated with the third cavity.

5. The die casting mold with the composite feeding function as claimed in claim 1, wherein the lateral forming mechanism (5) comprises a lateral slide (51) installed at one end of the upper mold core (1) and the lower mold core (2), a side core slide (52) slidably connected with the lateral slide (51), an inclined guide post (53) inserted on the side core slide (52) and used for driving the side core slide (52) to reciprocate laterally, a stopper (54) installed at one end of the side core slide (52), and a side core (55) inserted on the stopper (54).

6. The die-casting die with the composite feeding function is characterized by further comprising a feeding sleeve (10) inserted on the upper die core (1), wherein the sprue bush (8) is inserted at the bottom of the feeding sleeve (10).

7. The die-casting die with the composite feeding function is characterized in that the top of the sprue bush (8) is provided with a feeding guide part (80), the feeding guide part (80) is inserted at the bottom of the feeding sleeve (10), the top of the feeding sleeve (10) is provided with an injection opening (100), a main channel communicated with the injection opening (100) is formed between the feeding sleeve (10) and the feeding guide part (80), and the bottom of the main channel is communicated with the hot flow channel (9).

8. The die-casting die with the composite feeding function as claimed in claim 1, further comprising an upper die holder (3) and a lower die holder (4) which is in press fit with the upper die holder (3), wherein the upper die core (1) is embedded at the bottom of the upper die holder (3), and the lower die core (2) is embedded at the top of the lower die holder (4).

9. The die-casting die with the composite feeding function is characterized in that the bottom of the lower die holder (4) is provided with an ejection mechanism (11) for ejecting a workpiece (12) of the lower die core (2) after the upper die core (1) and the lower die core (2) are opened.

10. The die-casting die with the composite feeding function is characterized in that the ejection mechanism (11) comprises a longitudinal sliding seat (111) arranged at the bottom of the lower die holder (4), a mounting plate (112) which is connected with the longitudinal sliding seat (111) in a sliding mode and used for mounting an ejector pin, and an ejector pin guide column (113) which is inserted on the mounting plate (112) and used for driving the mounting plate (112) to reciprocate longitudinally.