CN216828535U

CN216828535U - Casting mold for preparing filter head

Info

Publication number: CN216828535U
Application number: CN202220157396.0U
Authority: CN
Inventors: 丁新
Original assignee: Dongguan King Chang De Gravity Casting Co ltd
Current assignee: Dongguan King Chang De Gravity Casting Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-06-28
Anticipated expiration: 2032-01-20

Abstract

The application relates to the technical field of molds, in particular to a casting mold for preparing a filter head, which comprises a bottom plate, a front mold, a rear mold, a left insert and a right insert, wherein the front mold and the rear mold are oppositely arranged and installed on the bottom plate, the left insert is embedded into the left sides of the front mold and the rear mold, the right insert is embedded into the right sides of the front mold and the rear mold, the bottom plate, the front mold, the rear mold, the left insert and the right insert jointly enclose a cavity for forming the filter head, and a mold core fixedly installed on the bottom plate is arranged in the cavity; the upper end surfaces of the front die and the rear die are provided with at least one pouring gate communicated with the cavity; the front die, the rear die, the left insert and the right insert can slide in a reciprocating manner relative to the bottom plate; a plurality of exhaust holes communicated with the cavity are formed in the front side surface of the front die and the rear side surface of the rear die. The exhaust holes are formed in the front die and the rear die, and in the mold filling process, gas in the cavity is exhausted out of the mold through the exhaust holes, so that the problem that slag holes and air holes are easily generated in the past is solved.

Description

Casting mold for preparing filter head

Technical Field

The application relates to a casting mould for preparing a filter head, which is suitable for the technical field of moulds.

Background

The existing filter is provided with a filter head, taking the filter head of a medium-pressure filter as an example, please refer to fig. 1, fig. 1 is a schematic structural diagram of the filter head in the prior art, and includes a filter head body 1, a first through hole 11 is arranged on the top surface of the filter head body 1, a second through hole 12 is arranged on the side surface of the filter head body 1, the first through hole 11 and the second through hole 12 are communicated, and for the convenience of installation of the filter head body 1 and increase of the structural strength thereof, a plurality of installation parts 13 are formed on the outer side surface of the filter head body 1, and the outer side surface of the installation parts 13 is arranged in parallel relative to a vertical plane.

The existing filter head is formed by integrally casting the die, but the existing casting die for preparing the filter head has the defects that the problem of slag holes or air holes can be caused in the installation part in the casting process of the filter head due to the design defects of the die, so that the product quality is influenced, the rejection rate is high, and the production efficiency is lower. In addition, because the first through hole and the second through hole of filter head are the vertical relation, traditional mould does not set up multi-direction structure of loosing core, has the problem of drawing of patterns difficulty, if the position that can't draw patterns is produced with the psammitolite, can appear that surface roughness is not up to standard, the cost of manufacture is high, production efficiency is low problem.

Disclosure of Invention

The invention aims to design a casting die for preparing a filter head, which can solve the problem of low working efficiency.

The application provides a casting mould for preparing a filter head, which comprises a bottom plate, a front mould, a rear mould, a left insert and a right insert, wherein the front mould and the rear mould are oppositely arranged and are installed on the bottom plate; the upper end surfaces of the front die and the rear die are provided with at least one pouring gate communicated with the cavity; the front die, the rear die, the left insert and the right insert can slide in a reciprocating manner relative to the bottom plate; a plurality of exhaust holes communicated with the cavity are formed in the front side surface of the front die and the rear side surface of the rear die.

Wherein, the top end face of the front mould is also fixedly provided with a casting hopper.

Wherein, a plurality of exhaust holes are arranged at intervals in a matrix manner of three rows and two columns.

The ejector pin plate is fixedly provided with a plurality of ejector pin bodies which are arranged at intervals, and each ejector pin body penetrates through the bottom plate and then is inserted into the cavity.

And a second molding column for molding the through hole extends towards the inside of the cavity from the left insert.

Wherein, the core upwards extends out and is used for the first shaping post of shaping through-hole.

The top end face of the bottom plate is provided with a sliding groove, the bottom faces of the front die, the rear die, the left insert or the right insert are fixedly connected with a sliding block, and the sliding block is placed in the sliding groove.

Wherein, the cross section of the left insert is rectangular.

Wherein, the cross section of the right insert is trapezoidal.

The casting mould for preparing the filter head has the following beneficial effects: set up the exhaust hole through front mould and back mould, at the mould in-process that fills, the mould cavity internal gas exhausts toward the mould through the exhaust hole, has solved the problem that produces slag hole, gas pocket easily in the past, and in addition, the mould of this application is applicable to the top and advances to water the upset technology, makes to fill the mould and advances to water more steadily, and the exhaust hole can also play the feeding effect, makes product internal quality obtain guaranteeing, reduces the shrinkage cavity.

Drawings

Fig. 1 is a schematic structural diagram of a filter head in the prior art.

Fig. 2 is a schematic structural view of the casting mold in this embodiment.

Fig. 3 is an exploded view of the casting mold in this embodiment.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a schematic structural diagram of another perspective view of the casting mold in this embodiment.

Reference numerals: the filter head comprises a filter head body 1, a first through hole 11, a second through hole 12, a mounting portion 13, a front die 21, a rear die 22, a left insert 23, a right insert 24, a core 3, a first molding column 31, a second molding column 32, a casting bucket 4, an ejector plate 51, an ejector pin body 52, a bottom plate 6, a sliding groove 61, a sliding block 62, a cavity 7 and an exhaust hole 71.

Detailed Description

To make the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

A casting mold for preparing a filter head according to the present embodiment, see fig. 2, includes a bottom plate 6, a front mold 21, a rear mold 22, a left insert 23, and a right insert 24. In order to facilitate the demolding of the filter head, the casting mold of the present embodiment adopts a core-pulling structure, so that the front mold 21, the rear mold 22, the left insert 23, and the right insert 24 can slide back and forth relative to the bottom plate 6, specifically, referring to fig. 3, a sliding groove 61 is formed on the top end surface of the bottom plate 6, a slider 62 is fixedly connected to the bottom surface of the front mold 21, the rear mold 22, the left insert 23, or the right insert 24, and the slider 62 is placed in the sliding groove 61. Taking the rear mold 22 as an example, the working end of the external cylinder or oil cylinder is fixedly connected with the rear mold 22, in the mold closing process, the rear mold 22 is driven to move forward, and the mold closing accuracy and smoothness can be improved under the matching of the slide block 62 and the chute.

In the present embodiment, the front mold 21 and the rear mold 22 are disposed on the base plate 6 so as to face each other in tandem, the left insert 23 is fitted into the left side of the front mold 21 and the rear mold 22, and the right insert 24 is fitted into the right side of the front mold 21 and the rear mold 22, so that the left insert 23 has a rectangular cross-sectional shape and the right insert 24 has a trapezoidal cross-sectional shape for facilitating the classification management of the left insert 23 and the right insert 24, thereby enabling the left insert 23 and the right insert 24 to be visually distinguished and improving the assembling speed of the mold.

As an improvement, the bottom plate 6, the front mold 21, the rear mold 22, the left insert 23 and the right insert 24 together enclose a cavity 7 for molding the filter head, a core 3 fixedly installed on the bottom plate 6 is arranged in the cavity 7, and in order to solve the problem that slag holes or air holes are easy to occur in the molding process of the filter head, in combination with fig. 4, a plurality of exhaust holes 71 communicated with the cavity 7 are respectively formed in the front side surface of the front mold 21 and the rear side surface of the rear mold 22.

In this embodiment, in order to facilitate the formation of the second through hole 12 by the filter head body 1, the left insert 23 extends toward the inside of the cavity 7 to form a second forming column 32 for forming the second through hole 12, and similarly, in order to facilitate the formation of the first through hole 11 of the filter head body 1, the core 3 extends upward to form a first forming column 31 for forming the through hole. Two pouring openings communicated with the cavity 7 are formed in the upper end faces of the front die 21 and the rear die 22, the pouring hopper 4 is fixedly mounted on the upper end face of the front die 21, one pouring opening is aligned with the first molding column 31 of the mold core 3, and the other pouring opening is aligned with the second molding column 32 of the left insert 23. The structural design is convenient for the casting process to select the top pouring and overturning process, and the process has the advantage of stable filling and pouring.

In the present embodiment, the plurality of exhaust holes 71 are arranged at intervals in a matrix manner of three rows and two columns, and it should be noted that the number and arrangement manner of the exhaust holes 71 can be selected according to actual requirements.

In order to facilitate product demolding, referring to fig. 5, an ejector plate 51 is further disposed below the bottom plate 6, a plurality of ejector pin bodies 52 arranged at intervals are fixedly mounted on the ejector plate 51, and each ejector pin body 52 penetrates through the bottom plate 6 and then is inserted into the cavity 7.

The casting mould for preparing filter head of this embodiment sets up exhaust hole 71 through front mould 21 and back mould 22, and at the type in-process that fills, the mould 7 internal gas exhausts through exhaust hole 71 toward the mould outward, has solved the problem that produces slag hole, gas pocket easily in the past, and in addition, the mould of this application is applicable to the top and advances to water upset technology, and it is more steady to make to fill the type and advance to water, and exhaust hole 71 can also play the feeding effect, makes the inside quality of product obtain guaranteeing, reduces the shrinkage cavity.

Although the embodiments disclosed in the present application are described above, the descriptions are only for facilitating the understanding of the present application, and are not intended to limit the present application. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims.

Claims

1. A casting mold for preparing a filter head is characterized by comprising a bottom plate, a front mold, a rear mold, a left insert and a right insert, wherein the front mold and the rear mold are oppositely arranged and are installed on the bottom plate, the left insert is embedded into the left sides of the front mold and the rear mold, the right insert is embedded into the right sides of the front mold and the rear mold, the bottom plate, the front mold, the rear mold, the left insert and the right insert jointly enclose a cavity for forming the filter head, and a mold core fixedly installed on the bottom plate is arranged in the cavity;

the upper end surfaces of the front die and the rear die are provided with at least one pouring gate communicated with the cavity;

the front die, the rear die, the left insert and the right insert can slide in a reciprocating manner relative to the bottom plate;

and the front side surface of the front die and the rear side surface of the rear die are both provided with a plurality of exhaust holes communicated with the cavity.

2. The casting mold for manufacturing the filter head as claimed in claim 1, wherein the top end surface of the front mold is fixedly provided with a casting hopper.

3. The casting mold for manufacturing a filter head as recited in claim 1, wherein the plurality of exhaust holes are arranged at intervals in a matrix of three rows and two columns.

4. The casting mold for preparing the filter head as claimed in claim 1, wherein an ejector plate is further disposed below the bottom plate, the ejector plate is fixedly provided with a plurality of ejector bodies arranged at intervals, and each ejector body penetrates through the bottom plate and then is inserted into the cavity.

5. The casting mold for preparing a filter head as claimed in claim 1, wherein the left insert extends a second forming column for forming a through hole towards the inside of the cavity.

6. The casting mold for manufacturing a filter head as recited in claim 5, wherein the core extends upward to form a first forming column for forming the through hole.

7. The casting mold for preparing the filter head according to claim 1, wherein a sliding groove is formed on the top end surface of the bottom plate, and a sliding block is fixedly connected to the bottom surface of the front mold, the bottom surface of the rear mold, the bottom surface of the left insert or the bottom surface of the right insert, and is placed in the sliding groove.

8. The casting mold for preparing the filter head as recited in claim 1, wherein the cross-sectional shape of the left insert is rectangular.

9. The casting mold for manufacturing a filter head as claimed in claim 1, wherein the right insert has a trapezoidal cross-sectional shape.