WO2019071633A1

WO2019071633A1 - Die-casting die

Info

Publication number: WO2019071633A1
Application number: PCT/CN2017/106299
Authority: WO
Inventors: 宋睿; 周银阁
Original assignee: 富准精密电子（鹤壁）有限公司
Priority date: 2017-10-12
Filing date: 2017-10-16
Publication date: 2019-04-18
Also published as: CN206925302U

Abstract

A die-casting die (100) comprises a first die half (10) and a second die half (20). The first die half (10) comprises a first base portion (11) and a first core (12) provided at the first base portion (11). The second die half (20) comprises a second base portion (21) and a second core (22) provided at the second base portion (21). A first mold cavity (121) is formed at one side surface of the first core (12) facing the second die half (20). A second mold cavity (221) is formed at one side surface of the second core (22) facing the first die half (10). The first die half (10) further comprises a first core insert (13) received in the first mold cavity (121). A first molding region (131) is arranged at one side surface of the first core insert (13) facing the second die half (20). The second die half (20) further comprises a second core insert (23). The second core insert (23) is received in the second mold cavity (221). A second molding region (231) is arranged at one side surface of the second core insert (23) facing the first die half (10). When the die halves are combined, the first molding region (131) faces the second molding region (231), and a molding cavity is formed therebetween. In the above die-casting die (100), the replaceable first core insert (13) and second core insert (23) are provided at the first core (12) and the second core (22), thereby reducing costs.

Description

Die casting mold

Technical field

The utility model relates to a mould, in particular to a die-casting mould.

Background technique

The die-casting mold is a method of casting liquid die forging, a process performed on a dedicated die-casting die forging machine. Its basic process is: the molten metal is first poured into the cavity of the mold at a low speed or high speed, and then pressed forging during the cooling process of the molten metal. However, a mold can only form one product, and when the product of another shape is prepared, the mold core needs to be completely replaced, and the development cost of the mold core is high, resulting in waste of resources.

Utility model content

In view of the above, it is necessary to provide a versatile die-casting mold.

A die-casting mold comprising a first mold and a second mold disposed oppositely, the first mold comprising a first mold base and a first mold core disposed on the first mold base, the second mold comprising a second mold base And a second mold core disposed on the second mold base, the first mold core is provided with a first cavity facing a side surface of the second mold, and the second mold core faces the side of the first mold a second cavity is formed on the surface, the first mold further includes a first mold insert, the first mold insert is received in the first cavity, and the first mold insert is oriented toward the second mold a first molding area is disposed on one surface, the second mold further includes a second mold inlet, the second mold inlet is received in the second cavity, and the second mold inlet is oriented toward the first A second molding zone is disposed on one side surface of a mold. When the mold is closed, the first molding zone forms a molding cavity between the two molding zones.

Further, the first mold base is provided with a first receiving body on a side of the second mold The first mold core is received in the first receiving groove.

Further, a second receiving slot is defined in a side of the second die holder facing the first die, and the second die is received in the second receiving slot.

Further, the first mold core is provided with at least one positioning boss on one side surface of the second mold, and the second mold core is provided with at least one positioning groove toward one side surface of the first mold. Each of the positioning bosses is correspondingly received in the corresponding positioning slot.

Further, the die-casting mold further includes a flow divider fixed to a side surface of the second mold base facing the first mold and adjacent to the second receiving groove, and the first mold base is further disposed through the second mold base. a hole, the through hole is adjacent to the first receiving groove to pass through a portion of the branch, the branch has a pouring port, and during operation, molten liquid enters the second die into the sub-port through the tap The first mold is inserted into the molding cavity between the sub-dies.

Further, the flow splitter has a cylindrical shape.

Further, the die-casting mold further includes a topping mechanism including a driving member and a plurality of thimbles, one end of each of the thimbles being coupled to the driving member, and the other end of each of the thimbles sequentially passing through the second die The seat and the second mold extend into the second mold insert, and the driving member can simultaneously drive a plurality of the thimbles to protrude from the second mold insert.

Further, a plurality of first through holes are formed in the bottom surface of the second receiving groove of the second mold base, and a plurality of second through holes are formed in the bottom surface of the second cavity of the second mold core. a plurality of third through holes are formed in the second molding region of the second mold insert, and each of the first through holes is in one-to-one correspondence with each of the second through holes, and one end of each of the thimbles passes through Correspondingly, the first through hole and the corresponding second through hole extend into the corresponding third through hole.

Further, the first through hole and the second through hole are both strip holes.

Further, the die casting mold further comprises a fixing plate and two connecting members, two of which are connected The connecting member is disposed at two ends of the fixing plate, the driving member is disposed on the fixing plate and located between the two connecting members, and the second die holder is disposed at one end of the connecting member away from the fixing plate. The second mold can be mounted on a die-casting forging machine through the fixing plate.

The above-mentioned die-casting mold is die-casted by providing a replaceable first mold insert and a second mold insert between the first mold core and the second mold core. When it is necessary to die-cast other shapes of the casting, only the first mold is required. The Renzizi and the second mold are replaced by the insert, without the need to replace the first mold core and the second mold core as a whole, saving costs.

DRAWINGS

1 is a perspective view of a die casting mold according to an embodiment of the present invention.

2 is a perspective exploded view of the die casting mold shown in FIG. 1.

3 is a perspective exploded view of another perspective view of the die casting mold shown in FIG. 2.

4 is a perspective exploded view of the second mold of the die casting mold shown in FIG. 2.

Main component symbol description

压铸模具Die casting mold	100100
第一模具 First mold	1010
第一模座 First mold base	1111
第一收容槽First receiving slot	111111
穿设孔Hole through	112112
第一模仁 First mold	1212
第一型腔 First cavity	121121
定位凸台 Positioning boss	122122
第一模仁入子The first model	1313
第一成型区 First molding zone	131131
第二模具 Second mold	2020
第二模座Second die holder	21twenty one

第二收容槽Second receiving slot	211211
第一通孔First through hole	212212
第二模仁Second mold	22twenty two
第二型腔 Second cavity	221221
定位槽 Positioning slot	222222
第二通孔Second through hole	223223
第二模仁入子Second mold	23twenty three
第二成型区 Second molding zone	231231
第三通孔Third through hole	232232
分流子 Divider	3030
浇注口 Gating port	3131
顶针 thimble	4141
驱动件 Drive	4242
固定板Fixed plate	5050
连接件 Connector	6060

The present invention will be further described in conjunction with the above drawings in the following detailed description.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. example. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

It should be noted that when an element is considered to be "connected" to another element, it can be connected directly to the other element or. When a component is considered to be "set on" another component, it can be set directly to another There may or may be a centrally located component on the component.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to the invention. The terminology used in the description of the present invention is for the purpose of describing particular embodiments and is not intended to limit the invention. The term "and/or" used herein includes any and all combinations of one or more of the associated listed items.

Referring to FIG. 1, the die-casting mold 100 of the present invention is applied to a die-casting die forging machine (not shown) to form a casting by die casting. In the present embodiment, the die casting mold 100 is used to manufacture a plate member in a mobile phone. The die casting mold 100 includes a first mold 10, a second mold 20, and a flow divider 30. The first mold 10 and the second mold 20 are disposed opposite each other. The flow divider 30 is fixed to the second mold 20 and is bored in the first mold 10. The molten liquid is poured from the splitter 30 between the first mold 10 and the second mold 20 to form a casting between the first mold 10 and the second mold 20.

When the die-casting mold 100 is used, the first mold 10 is fixed to a die-casting forging machine, and the second mold 20 is movably mounted on the die-casting forging machine, and is movable toward or away from the first mold 10 to achieve mold closing and mold opening.

Referring to FIG. 2 and FIG. 3 at the same time, in particular, the first mold 10 includes a first mold base 11, a first mold core 12 and a first mold core insert 13. A first receiving groove 111 is defined in a side of the first die holder 11 facing the second die 20 . The first mold core 12 is received in the first receiving groove 111. A first cavity 121 is opened on a side surface of the first mold core 12 toward the second mold 20. The first mold insert 13 is received in the first cavity 121. A first molding region 131 is provided at a central portion of the first mold insert 13 toward a side surface of the second mold 20.

In this embodiment, at least one positioning boss 122 is disposed on a side surface of the first mold core 12 facing the second mold 20. The number of positioning bosses 122 is four, but is not limited thereto.

The second mold 20 includes a second mold base 21, a second mold core 22, and a second mold core inlet 23. A second receiving groove 211 is defined in a side of the second die holder 21 facing the first die 10 . The second mold core 22 is received in the second receiving groove 211. The second mold core 22 is provided with a second cavity 221 on a side surface of the first mold 10. The second mold insert 23 is received in the second cavity 221. A second molding zone 231 is provided on a side surface of the second mold core insert 23 facing the first mold 10.

In this embodiment, at least one positioning groove 222 is defined in a surface of the second mold core 22 facing the first mold 10. When the mold is closed, each positioning boss 122 is correspondingly received in the corresponding positioning groove 222. The first molding area 131 faces the second molding area 231 and forms a molding cavity (not labeled) therebetween, and the casting is formed on the mold. In the molding cavity.

The heat exchanger 30 is fixed to a side surface of the second mold base 21 facing the first mold 10 and adjacent to the second receiving groove 211. Correspondingly, the first mold base 11 is further provided with a through hole 112. The through hole 112 is adjacent to the first receiving groove 111 to pass through a portion of the flow divider 30. In the present embodiment, the flow divider 30 is substantially cylindrical. The flow divider 30 has a sprue 31. During operation, the molten liquid enters the forming cavity between the second mold inlet 23 and the first mold inlet 13 via the splitter 30 from the gate 31.

Referring again to FIGS. 1 through 4, preferably, the die casting mold 100 further includes a top material mechanism 40. The top material mechanism 40 is partially disposed in the second mold 20 for ejecting the casting when the mold is opened after the die casting is completed. Specifically, the top material mechanism 40 includes a plurality of thimbles 41 and a drive member 42. Each of the thimbles 41 is a telescopic rod. One end of each of the thimbles 41 is coupled to the driving member 42, and the other end of each of the thimbles 41 sequentially passes through the second mold base 21 and the second mold core 22 of the second mold 20 and into the second mold core inlet 23. The driving member 42 can simultaneously drive the plurality of thimbles 41 to project out of the second mold insert 23 to eject the casting.

In this embodiment, a plurality of first through holes 212 are formed in a bottom surface (not labeled) of the second receiving groove 211 of the second die holder 21, and a bottom surface of the second cavity 221 of the second mold core 22 is not labeled. A plurality of second through holes 223 are formed in the through hole, and a plurality of third through holes 232 are formed in the second molding region 231 of the second mold inlet 23 . Each of the first through holes 212 of the second mold base 21 has a one-to-one correspondence with each of the second through holes 223 of the second mold core 22. One end of each thimble 41 sequentially passes through the corresponding first through hole 212 and the corresponding second through hole 223 and protrudes into the corresponding third through hole 232.

In this embodiment, the first through hole 212 and the second through hole 223 are strip holes so that each of the thimbles 41 can move along the extending direction of the first through hole 212 and the second through hole 223, thereby making the corresponding thimble 41 can extend into the corresponding third through hole 232 to resist castings of different sizes.

The die-casting mold 100 includes the first mold 10, the second mold 20, and the flow divider 30, but is not limited thereto. In other embodiments, the flow divider 30 can be removed, and the pouring flow path is directly formed on the first mold 10 without affecting The die casting mold 100 is die casted into a casting.

Preferably, the die casting mold 100 further includes a fixing plate 50 and two connecting members 60. Two connecting members 60 are spaced apart from each other at both ends of the fixing plate 50. The driving member 42 of the top material mechanism 40 is disposed on the fixing plate 50 and located between the two connecting members 60. The second die holder 21 is disposed at one end of the two connecting members 60 away from the fixing plate 50. The second mold 20 can be mounted on a die-casting forging machine through the fixing plate 50.

The die-casting mold 100 is die-cast by providing a replaceable first mold insert 13 and a second mold insert 23 between the first mold core 12 and the second mold core 22, when it is necessary to die-cast other shapes of the casting, It is only necessary to replace the first mold insert 13 and the second mold insert 23 without replacing the first mold core 12 and the second mold core 22 as a whole, thereby saving costs.

In addition, those skilled in the art can make other changes in the spirit of the present invention. Of course, the changes made according to the spirit of the present invention should be included in the scope of the present invention.

Claims

A die-casting mold comprising a first mold and a second mold disposed oppositely, the first mold comprising a first mold base and a first mold core disposed on the first mold base, the second mold comprising a second mold base And a second mold core disposed on the second mold base, wherein the first mold core is opened with a first cavity toward a side surface of the second mold, and the second mold core faces the first mold a second cavity is formed on one surface of the mold, the first die further includes a first die insert, the first die insert is received in the first cavity, and the first die is inserted into the cavity a first molding area is disposed on one surface of the second mold, the second mold further includes a second mold inlet, the second mold inlet is received in the second cavity, and the second mold is inserted into the second mold cavity. A second molding zone is disposed on a side surface of the first mold facing the first mold. When the mold is closed, the first molding zone forms a molding cavity between the two molding zones.
The die-casting die according to claim 1, wherein the first die holder is provided with a first receiving groove facing the second die, and the first die is received in the first receiving groove.
The die-casting mold according to claim 2, wherein a second receiving groove is formed on a side of the second die holder facing the first die, and the second die is received in the second receiving groove.
The die-casting mold according to claim 1, wherein at least one positioning boss is provided on a side surface of the first die toward the second die, the second die facing a side surface of the first die At least one positioning slot is provided in the upper opening, and each of the positioning bosses is correspondingly received in the corresponding positioning slot when the mold is closed.
The die-casting mold according to claim 3, wherein the die-casting mold further comprises a flow divider fixed to a side surface of the second mold base facing the first mold and adjacent to the second receiving groove, a through hole is further formed in the first die holder, and the through hole is adjacent to the first receiving groove to penetrate a part of the flow, the flow has a pouring And during operation, the molten liquid enters the molding cavity between the second mold inlet and the first mold inlet through the flow through the nozzle.
The die-casting mold according to claim 5, wherein the flow divider has a cylindrical shape.
A die-casting mold according to claim 3, wherein the die-casting mold further comprises a topping mechanism, the topping mechanism comprising a driving member and a plurality of thimbles, one end of each of the thimbles being coupled to the driving member, each of the The other end of the thimble passes through the second mold base and the second mold core in turn and into the second mold insert, and the driving member can simultaneously drive a plurality of the thimbles to protrude from the second mold insert.
The die-casting mold according to claim 7, wherein a plurality of first through holes are formed in a bottom surface of the second receiving groove of the second die holder, and a bottom surface of the second cavity of the second mold core is a plurality of second through holes are formed through the second molding hole, and a plurality of third through holes are formed through the second molding area of the second mold inlet, and each of the first through holes and each of the second through holes are respectively Correspondingly, one end of each of the thimbles sequentially passes through the corresponding first through hole and the corresponding second through hole and protrudes into the corresponding third through hole.
The die-casting mold according to claim 8, wherein the first through hole and the second through hole are both strip holes.
The die-casting mold according to claim 8, wherein the die-casting mold further comprises a fixing plate and two connecting members, and the two connecting members are spaced apart from the two ends of the fixing plate, and the driving member is disposed on the fixing plate. The second mold base is disposed at an end of the two connecting members away from the fixing plate, and the second mold can be mounted on a die-casting forging machine through the fixing plate.