CN217166475U

CN217166475U - Manufacturing tool for vertical line production of internal sprue of small malleable steel part

Info

Publication number: CN217166475U
Application number: CN202123422882.5U
Authority: CN
Inventors: 李德芳; 杨德军; 李艳君
Original assignee: Tangshan Xinye Technology Co ltd
Current assignee: Tangshan Xinye Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-12
Anticipated expiration: 2031-12-31

Abstract

The manufacturing tool for the vertical line production of the malleable iron small-piece ingate comprises an ingate model sample plate, a female die base and a female die cover plate; the inner pouring gate model sample plate is crescent, the bottom surface of the inner pouring gate model sample plate is a horizontal bonding surface matched with a template in a malleable cast sand mould, and the outer surface of the inner pouring gate model sample plate is a smooth curved surface; the female die base and the female die cover plate are matched to form a malleable steel small-piece inner gate forming die, an inner gate die cavity is arranged on the female die base, and the inner gate die cavity is formed by using the inner gate model sample plate as a male die in a turnover mode; the bottom surface of the female die cover plate is a horizontal pressing surface embedded into the inner sprue die cavity of the female die base, and a feeding port communicated with the inner sprue die cavity of the female die base is formed in the side wall of the female die cover plate. The utility model discloses an optimal design to malleable iron smallclothes ingate preparation frock has standardized ingate shape and structure in the perpendicular line sand mould, has reached the purpose of guaranteeing foundry goods product quality and casting production beat uniformity.

Description

Manufacturing tool for vertical line production of internal sprue of small malleable steel part

Technical Field

The utility model relates to a casting technical field, concretely relates to preparation frock that is used for vertical line production small-size malleable cast iron pipe fitting (hereinafter referred to as malleable cast iron small parts) sand mould ingate psammitolite.

Background

The vertical modeling production line (vertical line for short) has the advantages of high production efficiency, good product consistency and the like because the vertical modeling production line can be matched with an automatic production flow, and is widely applied to the production process of various malleable cast iron pipe fittings.

As shown in the attached figure 1, the vertical line template 1 for the small malleable iron pieces is characterized in that a plurality of workpiece sand mold cavities 1-1 are arranged on the vertical line template 1 for the small malleable iron pieces, every two workpiece sand mold cavities 1-1 form a pouring sand mold unit, and each pouring sand mold unit is provided with a sand core 1-2 for forming an inner sprue. Because the size of the sand mold produced by the vertical line template 1 is large, when the sand mold is adopted for casting and producing malleable cast iron parts, the arrangement of workpieces is generally 10-100 in each box, and in order to realize the consistency of beats of different procedures on a casting production line, the pouring position, the shape and the size of each malleable cast iron part are required to be the same, the pouring is ensured to be complete, the pouring gate is parallel and level, and the cleaning is easy, so that higher requirements are provided for the pouring gate structure in the sand mold.

SUMMERY OF THE UTILITY MODEL

The utility model provides a preparation frock for vertical line production malleable iron smallclothes ingate aims at through the optimal design to this malleable iron smallclothes ingate preparation frock, and ingate shape and structure in the standard vertical line sand mould reach the purpose of guaranteeing foundry goods product quality and casting production beat uniformity.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the manufacturing tool for the vertical line production of the malleable iron small-piece ingate comprises an ingate model sample plate, a female die base and a female die cover plate; the inner pouring gate model sample plate is crescent, the bottom surface of the inner pouring gate model sample plate is a horizontal bonding surface matched with a template in a malleable cast sand mould, and the outer surface of the inner pouring gate model sample plate is a smooth curved surface; the female die base and the female die cover plate are matched to form a malleable steel small-piece inner gate forming die, an inner gate die cavity is arranged on the female die base, and the inner gate die cavity is formed by using the inner gate model sample plate as a male die in a turnover mode; the bottom surface of the female die cover plate is a horizontal pressing surface embedded into the inner sprue die cavity of the female die base, and a feeding port communicated with the inner sprue die cavity of the female die base is formed in the side wall of the female die cover plate.

The aforesaid is used for preparation frock of perpendicular line production malleable iron smallclothes ingate be equipped with location structure between bed die base and the bed die apron, location structure is including setting up positioning groove on the bed die base and setting up the location boss on the bed die apron, realize the centering location of bed die apron and bed die base in location boss embedding and the positioning groove.

Above-mentioned a preparation frock that is used for perpendicular line production malleable iron smallclothes ingate, the crescent both ends closed angle of ingate model sample board be with the work piece sand mould die cavity tie point on the malleable iron smallclothes perpendicular line template, the curved surface of watering is connected to the mid portion.

According to the manufacturing tool for the vertical line production of the malleable steel small piece inner pouring gate, the inner surface of the inner pouring gate die cavity is coated with the die parting agent.

Above-mentioned a preparation frock that is used for perpendicular line production malleable iron smallclothes ingate, ingate model sample plate adopts the atomic ash material, through the manual preparation shaping, stereotypes after field test, debugging.

The utility model provides a preparation frock that is used for perpendicular line production malleable iron smallclothes ingate, for guaranteeing to install a plurality of psammitolite shapes and the unified of size that are used for shaping ingate on the perpendicular linear template of malleable iron smallclothes, adopt the ingate model that becomes design through the field test as the formpiston, the ingate die cavity of mould shaping bed die base turns over, and constitute malleable iron smallclothes ingate forming die through the cooperation of bed die base and bed die apron, utilize this forming die can turn over a plurality of shapes and the identical malleable iron pipe spare ingate of size, thereby the foundry goods product pouring that has realized batch production is complete, the runner parallel and level, easily clearance, the yields of product has been improved, and the production cost is reduced.

Drawings

FIG. 1 is a schematic view of a malleable iron small piece vertical line template;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic diagram of a mold template of an inner gate in the structure of the present invention;

FIG. 4 is a schematic view of the cross-sectional structure A-A of FIG. 3;

FIG. 5 is a schematic view of the cross-sectional structure B-B in FIG. 3;

FIG. 6 is a top view of FIG. 3;

FIG. 7 is a schematic cross-sectional view of the female mold base of the present invention;

FIG. 8 is a top view of FIG. 7;

FIG. 9 is a schematic cross-sectional view of a cover plate of a female mold according to the present invention;

fig. 10 is a bottom view of fig. 9.

The reference numbers in the figures are:

1. 1-1 parts of a malleable cast iron pipe vertical line template, 1-2 parts of a workpiece sand mold cavity, and a sand core for forming an inner sprue;

2. the manufacturing tool of the malleable iron small piece inner pouring gate comprises, by weight, 2-1 parts of a small piece inner pouring gate model, 2-1-1 parts of a horizontal bonding surface, 2-1-2 parts of a smooth curved surface, 2-2 parts of a male die base, 2-2-1 parts of an inner pouring gate cavity, 2-2-2 parts of a positioning groove, 2-3 parts of a female die cover plate, 2-3-1 parts of a positioning boss, 2-3-2 parts of a horizontal pressing surface, 2-3-3 parts of a feeding port.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, the utility model discloses a preparation frock for vertical line production malleable iron small parts ingate, its embodiment is for making the mould that is used for the psammitolite 1-2 of shaping ingate on the malleable iron small parts vertical line template 1 that shows in the picture, be equipped with a plurality of work piece sand mould die cavity 1-1 on the malleable iron small parts vertical line template 1, every two work piece sand mould die cavities 1-1 constitute a pouring sand mould unit, be equipped with a psammitolite 1-2 that is used for shaping ingate in each pouring sand mould unit.

Referring to fig. 2 to 10, the tool for manufacturing the ingate for producing the small malleable iron parts in the vertical line of the present invention comprises an ingate model template 2-1, a female die base 2-2 and a female die cover plate 2-3; the inner pouring gate model sample plate 2-1 is crescent, sharp corners at two ends of the crescent are connection points with a sand mold cavity 1-1 of a workpiece on the malleable iron pipe small piece vertical line template 1, the middle part of the crescent is a curved surface connected with a pouring gate, the bottom surface of the crescent is a horizontal bonding surface 2-1-1 matched with a template in a malleable iron pipe piece casting sand mold, the outer surface of the crescent is a smooth curved surface 2-1-2, the inner pouring gate model sample plate 2-1 is made of atomic ash materials, is formed by manual manufacturing, and is shaped after site repeated test and debugging; the female die base 2-2 and the female die cover plate 2-3 are matched to form a malleable steel small-piece inner sprue forming die, an inner sprue die cavity 2-2-1 is arranged on the female die base 2-2, and the inner sprue die cavity 2-2-1 is formed by using the inner sprue model sample plate 2-1 as a male die in a turnover mode; the bottom surface of the female die cover plate 2-3 is a horizontal pressing surface 2-3-2 embedded into a sprue cavity of the female die base, and a feeding port 2-3-3 communicated with the sprue cavity 2-2-1 in the female die base 2-2 is formed in the side wall of the female die cover plate 2-3.

Referring to fig. 2, fig. 7, fig. 8, fig. 9 and fig. 10, the manufacturing tool for vertical line production of the malleable iron billet ingate is provided with a positioning structure between the female die base 2-2 and the female die cover plate 2-3, the positioning structure comprises a positioning groove 2-2-2 arranged on the female die base 2-2 and a positioning boss 2-3-1 arranged on the female die cover plate 2-3, and the positioning boss 2-3-1 is embedded into the positioning groove 2-2-2 to realize centering positioning of the female die cover plate 2-3 and the female die base 2-2.

Referring to fig. 1 to 10, in order to ensure the unification of the shapes and sizes of a plurality of sand cores 1-2 for forming an ingate installed on a vertical line template 1 of a malleable iron small piece, the utility model adopts a method of on-site repeated test and debugging, an ingate model template 2-1 is shaped in a manual operation mode, the ingate model template 2-1 is taken as a male mold, an ingate cavity 2-2-1 of a female mold base 2-2 is formed by turning over the ingate model template 2-1, a parting agent is coated on the surface of the ingate cavity 2-2-1 of the forming mold, the small malleable iron piece ingate forming mold is formed by the matching of the female mold base 2-2 and a female mold cover plate 2-3, an atomic ash raw material and a solidifying agent are injected through a feeding port 2-3-3 on the side wall of the female mold cover plate 2-3, the sand cores 1-2 for forming the ingate are manufactured after the solidification, therefore, a plurality of sand cores 1-2 used for forming the inner sprue and having the shape and size completely consistent with the crescent shape of the inner sprue model sample plate 2-1 can be manufactured, and because the sharp corners at two ends of the crescent shape of the sand cores 1-2 used for forming the inner sprue are connected with the sand mold cavities 1-1 of the small malleable iron vertical line template 1, the contact surface between a casting and the inner sprue is very small after the casting is finished, so that the residual inner sprue is convenient to clean, the casting products produced in batches are completely poured, the sprues are flush and easy to clean, the yield of the products is improved, and the production cost is reduced.

Claims

1. A preparation frock for vertical line production malleable iron smallclothes ingate, its characterized in that: the manufacturing tool (2) for the malleable iron small-piece inner sprue comprises an inner sprue model sample plate (2-1), a female die base (2-2) and a female die cover plate (2-3); the inner pouring gate model sample plate (2-1) is crescent, the bottom surface of the inner pouring gate model sample plate is a horizontal bonding surface (2-1-1) matched with a template in a malleable cast sand mould, and the outer surface of the inner pouring gate model sample plate is a smooth curved surface (2-1-2); the female die base (2-2) and the female die cover plate (2-3) are matched to form a malleable steel small-piece inner pouring gate forming die, an inner pouring gate die cavity (2-2-1) is arranged on the female die base (2-2), and the inner pouring gate die cavity (2-2-1) is formed by turning over a male die by taking the inner pouring gate model sample plate (2-1) as the male die; the bottom surface of the female die cover plate (2-3) is a horizontal pressing surface (2-3-2) embedded into a sprue cavity of the female die base, and a feeding port (2-3-3) communicated with the sprue cavity (2-2-1) in the female die base (2-2) is formed in the side wall of the female die cover plate (2-3).

2. The manufacturing tool for the vertical line production malleable iron small piece ingate as claimed in claim 1, wherein: a positioning structure is arranged between the female die base (2-2) and the female die cover plate (2-3), the positioning structure comprises a positioning groove (2-2-2) arranged on the female die base (2-2) and a positioning boss (2-3-1) arranged on the female die cover plate (2-3), and the female die cover plate (2-3) and the female die base (2-2) are centered and positioned in the positioning boss (2-3-1) embedded and positioning groove (2-2-2).

3. The manufacturing tool for the vertical line production malleable iron small piece ingate is in accordance with claim 1 or 2, which is characterized in that: the crescent sharp corners at two ends of the inner pouring gate model sample plate (2-1) are connection points with a sand mold cavity (1-1) of a workpiece on the malleable iron small piece vertical line template (1), and the middle part of the inner pouring gate model sample plate is a curved surface connected with a pouring gate.

4. The manufacturing tool for the vertical line production malleable iron small piece ingate as claimed in claim 3, wherein: and coating a mold parting agent on the inner surface of the inner gate cavity (2-2-1).

5. The manufacturing tool for the vertical line production malleable iron small piece ingate as claimed in claim 4, wherein: the inner pouring gate model sample plate (2-1) is made of atomic ash, is formed by manual manufacturing, and is shaped after field test and debugging.