CN210615028U

CN210615028U - Promoter cap structure based on reduce rejection rate

Info

Publication number: CN210615028U
Application number: CN201920845792.0U
Authority: CN
Inventors: 陈广良; 段传刚; 郑涛; 许志武; 黄森亮; 刘成林; 梁吉峰; 陈蒙清
Original assignee: Shiyan Jintian Auto Parts Co ltd
Current assignee: Shiyan Jintian Auto Parts Co ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-05-26
Anticipated expiration: 2029-06-06

Abstract

The utility model provides a promoter cap structure based on reduction of rejection rate, which comprises a promoter cap, a casting riser, a bottom die, a cooling copper bar, cooling iron, a bottom flange, a side die and a side flange; the casting mould of the promoter cap consists of two groups of side moulds and one group of bottom moulds; the side dies are positioned on the left side and the right side above the bottom die. The device can effectively improve feeding ability, reduces the appearance of shrinkage cavity and shrinkage porosity, improves casting quality, and the shrinkage cavity appears in the effectual fitting surface of avoiding, improves product quality and yields, and the casting rising head position is easily polished and is cleared up simultaneously, and the machining allowance of fitting surface is even, has improved follow-up machining speed and quality.

Description

Promoter cap structure based on reduce rejection rate

Technical Field

The utility model belongs to the technical field of the casting, more specifically say, in particular to facilitator cap structure based on reduce the rejection rate.

Background

The production of the promoter cap is generally carried out by casting, and a casting riser is generally arranged on the lower surface of the promoter cap in the casting of the promoter cap.

Based on the above, casting rising head is located bottom surface department in the casting of current promoter cap, is close to the fitting surface, produces the shrinkage cavity in fitting surface department easily in casting process, leads to the part gas tightness unqualified, and the accident of revealing appears in the assembly, and the less feeding ability that lies in bottom surface casting rising head simultaneously is limited, and casting rising head department surplus is inhomogeneous simultaneously, need dodge when machining and produce a large amount of dead time, influences machining efficiency.

Accordingly, in order to achieve a more practical purpose, research and improvement are made on the existing structure and defects, and a promoter cap structure based on reduction of the rejection rate is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a promoter cap structure based on reduce the rejection rate to solve the casting rising head and be located bottom surface department in the casting of current promoter cap, be close to the fitting surface, produce the shrinkage cavity in fitting surface department easily in casting process, lead to the part gas tightness unqualified, the accident appears revealing in the assembly, it is limited to be located the less feeding ability of bottom surface casting rising head simultaneously, casting rising head department surplus is inhomogeneous simultaneously, need dodge when machining and produce a large amount of dead knife time, influence machining efficiency's problem.

The utility model relates to a purpose and efficiency of promoter cap structure based on reduce the rejection rate is reached by following specific technological means:

a promoter cap structure based on reduction of rejection rate comprises a promoter cap, a casting riser, a bottom die, a cooling copper rod, cooling iron, a bottom flange, a side die and a side flange; the casting mould of the promoter cap consists of two groups of side moulds and one group of bottom moulds; the side dies are positioned on the left side and the right side above the bottom die.

Further, a set of casting risers is provided at the top of the facilitator cap, the casting risers being located at the facilitator cap handle and avoiding the fillets.

Furthermore, the cooling copper bars are arranged in the mounting holes on the left side and the right side of the bottom die.

Further, the cooling iron is arranged at the position of a central core at the top of the bottom die.

Furthermore, the bottom of die block sets up end flange, the side form side sets up the side flange, the die block with the side form passes through respectively end flange with the side flange is connected with the mould press.

Compared with the prior art, the utility model discloses following beneficial effect has:

the device is through setting up the casting rising head at promoter cap top handle, it sets up the promoter cap near the fitting surface in the past to have changed, cause the fitting surface to appear the shrinkage cavity and lead to assembling the problem of revealing the accident easily when casting, can effectively avoid the fitting surface after the rising head position changes to be great with the machining allowance inhomogeneous when adding man-hour surplus, improve follow-up process velocity, set up the casting rising head in promoter cap handle department simultaneously, the volume of casting rising head can be done is bigger, have stronger feeding ability, avoid appearing the shrinkage porosity problem, the casting rising head avoids the fillet simultaneously, the rising head is easily polished the clearance and does not influence follow-up processing clamping.

The device is through setting up cooling bar copper and cooling iron, guarantees to cool off solidification at first at the both sides flank and the fitting surface of promoter cap, and near casting rising head cools off at last, guarantees that the casting rising head can carry out good feeding to the promoter cap, prevents the shrinkage porosity problem, improves casting quality.

The device can effectively improve feeding ability, reduces the appearance of shrinkage cavity and shrinkage porosity, improves casting quality, and the shrinkage cavity appears in the effectual fitting surface of avoiding, improves product quality and yields, and the casting rising head position is easily polished and is cleared up simultaneously, and the machining allowance of fitting surface is even, has improved follow-up machining speed and quality.

Drawings

FIG. 1 is a schematic axial view of a conventional casting blank.

FIG. 2 is a schematic side view of the casting blank of the present invention.

Fig. 3 is a schematic diagram of the mold axial structure of the present invention.

Fig. 4 is a schematic view of the bottom die shaft side structure of the present invention.

Fig. 5 is a schematic view of the bottom die bottom axial side structure of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a facilitator cap; 101. casting a dead head; 2. bottom die; 201. cooling the copper rod; 202. cooling the iron; 203. a bottom flange; 3. side mould; 301. and a side flange.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 5:

the utility model provides a promoter cap structure based on reduction of rejection rate, which comprises a promoter cap 1, a casting riser 101, a bottom die 2, a cooling copper bar 201, a cooling iron 202, a bottom flange 203, a side die 3 and a side flange 301; the casting mould of the promoter cap 1 consists of two groups of side moulds 3 and one group of bottom moulds 2; the side dies 3 are positioned on the left side and the right side above the bottom die 2.

Wherein, the top of promoter cap 1 is provided with a set ofly casting rising head 101, casting rising head 101 is located 1 handle department of promoter cap and avoid the fillet, has changed in the past will 1 setting up of promoter cap causes the fitting surface easily to appear the shrinkage cavity and leads to the assembly to appear the problem of revealing the accident, will simultaneously casting rising head 101 sets up 1 handle department of promoter cap, the volume that casting rising head 101 can be done is bigger, has stronger feeding ability, avoids appearing the shrinkage porosity problem.

Wherein, set up in the mounting hole of the left and right sides of die block 2 cooling bar copper 201 improves through setting up cooling bar copper 201 the cooling rate of 1 both sides wing of promoter cap guarantees good cooling order, prevents the shrinkage porosity appears in 1 both sides wing of promoter cap.

The cooling iron 202 is arranged at the center of the top core of the bottom die 2, the cooling iron 202 improves the cooling speed of the matching surface of the promoter cap 1, a good cooling sequence is guaranteed, and shrinkage porosity of the matching surface of the promoter cap 1 is prevented.

Wherein, the bottom of die block 2 sets up end flange 203, the 3 sides of side form set up side flange 301, die block 2 with side form 3 passes through respectively end flange 203 with side flange 301 is connected with the mould press, facilitates the installation and uses.

The specific use mode and function of the embodiment are as follows:

during casting, the bottom die 2 and the side die 3 are assembled, the cooling copper bar 201 is installed, the promoter cap 1 is cast, in the casting process of the promoter cap 1, two side wings and a matching surface of the promoter cap 1 are firstly cooled and solidified through the cooling effect of the cooling copper bar 201 and the cooling iron 202, the casting riser 101 is cooled at last, the casting riser 101 can be guaranteed to be capable of well feeding the promoter cap 1, the shrinkage porosity problem is prevented, and the casting quality is improved.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A facilitator cap structure based on reduction of scrap rate, characterized in that: the promoter cap structure based on the rejection rate reduction comprises a promoter cap (1), a casting riser (101), a bottom die (2), a cooling copper bar (201), a cooling iron (202), a bottom flange (203), a side die (3) and a side flange (301); the casting mould of the promoter cap (1) consists of two groups of side moulds (3) and one group of bottom moulds (2); the side dies (3) are positioned on the left side and the right side above the bottom die (2).

2. A reduced reject rate promoter cap construction as defined in claim 1 wherein: the top of promoter cap (1) is provided with a set of casting riser (101), casting riser (101) are located promoter cap (1) handle department and avoid the fillet.

3. A reduced reject rate promoter cap construction as defined in claim 1 wherein: and the cooling copper bars (201) are arranged in the mounting holes on the left side and the right side of the bottom die (2).

4. A reduced reject rate promoter cap construction as defined in claim 1 wherein: and the cooling iron (202) is arranged at the central core position of the top of the bottom die (2).

5. A reduced reject rate promoter cap construction as defined in claim 1 wherein: the bottom of die block (2) sets up end flange (203), side form (3) side sets up side flange (301), die block (2) with side form (3) are respectively through end flange (203) with side flange (301) are connected with the mould press.