CN216607124U

CN216607124U - Hub manufacturing mold for submarine oil drilling equipment

Info

Publication number: CN216607124U
Application number: CN202122437859.7U
Authority: CN
Inventors: 徐惠民; 胡彬; 韩琪
Original assignee: Hex Machinery Taixing Co ltd
Current assignee: Hex Machinery Taixing Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-05-27
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses a hub manufacturing die for submarine oil drilling equipment, which belongs to the field of hub manufacturing and is characterized in that the contact surface of an upper die and a lower die is a horizontal parting surface of a hub, and the hub is divided into an upper part and a lower part by the horizontal parting surface; the distance between the horizontal parting plane and the upper end of the hub is set to be L1, the distance between the horizontal parting plane and the lower end of the hub is set to be L2, and L1 is greater than L2; the upper mold comprises an upper mold body and an upper mold base, the lower mold comprises a lower mold body and a lower mold base, the upper sand box is arranged on one side of the upper mold body, and the middle sand box a is arranged on one side of the upper mold base; the lower sand box is arranged on one side of the lower die body, and the middle sand box b is arranged on one side of the lower die base. The advantage is through the parting mode that changes the manufacturing mould, has reduced the psammitolite number that the mould needs by a wide margin, has reduced the compound die operation degree of difficulty and disability rate simultaneously, has improved wheel hub production efficiency.

Description

Hub manufacturing mold for submarine oil drilling equipment

Technical Field

The utility model relates to the technical field of hub manufacturing, in particular to a hub manufacturing model for submarine oil drilling equipment.

Background

The hub manufacturing mold for the seabed oil drilling equipment is provided by the application and used for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the existing manufacturing mold is generally designed in a standing type parting mode, more sand cores are needed, the operation difficulty is high when the mold is closed, and the rejection rate is high.

In order to achieve the purpose, the utility model adopts the following technical scheme: the hub manufacturing mold for the seabed oil drilling equipment comprises an upper mold and a lower mold, wherein the contact surface of the upper mold and the lower mold is a horizontal parting surface of the hub, and the hub is divided into an upper part and a lower part by the horizontal parting surface; the distance between the horizontal parting plane and the upper end of the hub is set to be L1, the distance between the horizontal parting plane and the lower end of the hub is set to be L2, and L1 is greater than L2; the upper mold comprises an upper mold body and an upper mold base, the lower mold comprises a lower mold body and a lower mold base, the upper sand box is arranged on one side of the upper mold body, and the middle sand box a is arranged on one side of the upper mold base; the lower sand box is arranged on one side of the lower die body, and the middle sand box b is arranged on one side of the lower die base.

Preferably: a plurality of chilling blocks a are uniformly distributed at the center of the upper die body along the circumference, and a plurality of pre-buried exhaust pipes are symmetrically arranged on the horizontal plane vertical to the upper die body; and a pre-embedded flow guide main pipe is arranged on one side of the end part of the upper die.

Preferably: the outer surface longitudinal arrangement of lower mould body is provided with a plurality of chills b, sets up to be provided with a plurality of pre-buried water conservancy diversion on the stopper of lower mould body one side and divides the pipe.

Preferably: the embedded diversion branch pipes are arranged in a divergent shape, and intersection points of the embedded diversion branch pipes and the lower die body are symmetrically distributed on the surface of the lower die.

Preferably: and two chilling blocks c are symmetrically arranged on the arc-shaped surface at one end of the lower die.

Compared with the prior art, the utility model has the beneficial effects that:

the horizontal parting mode is adopted to divide the casting sand mold into an upper part and a lower part, so that the number of sand cores can be greatly reduced, and the number of the sand cores is reduced by about half compared with that of a vertical parting mode; the pre-buried exhaust pipes are symmetrically arranged, so that the generation of casting air holes is greatly reduced; the pre-embedded guide pipes are arranged in a dispersed manner, so that the formed sand mold can be subjected to multi-runner simultaneous pouring, and runners are symmetrically distributed, so that the pouring quality is greatly improved, and molten iron is more uniformly solidified; the upper die cold iron is distributed in a ring shape, and the lower die cold iron is arranged longitudinally, so that the surface of the hub formed by casting is effectively prevented from generating cracks. The sand core forming machine has the advantages of simple structure and reasonable parting, so that the formed sand mold is simple to assemble, the number of sand cores is reduced, the sand cores are assembled into a large sand core, the phenomenon of sand core omission is not easy to occur when the sand cores are assembled, the operation difficulty is reduced, and the rejection rate is reduced.

Drawings

FIG. 1 is a schematic view of the upper mold structure of the hub forming mold of the present invention;

FIG. 2 is a schematic view of the lower mold structure of the hub forming mold according to the present invention;

fig. 3 is a schematic view of the hub structure of the present invention.

In the figure: 1. an upper die; 1-1, an upper die body; 1-2, an upper die base; 2. a lower die; 2-1, a lower die body; 2-2, a lower die base; 3. chilling block a; 4. pre-burying an exhaust pipe; 5. pre-burying a flow guide main pipe; 6. b, chilling iron; 7. pre-burying a diversion branch pipe; 8. c, chilling iron; 9. a horizontal parting plane; 10. a sand core.

Detailed Description

The technical solutions in the embodiments 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 embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1-3, the hub manufacturing mold for the seabed oil drilling equipment comprises an upper mold 1 and a lower mold 2, wherein the contact surface of the upper mold 1 and the lower mold 2 is a horizontal parting surface 9 of the hub, and the hub is divided into an upper part and a lower part by the horizontal parting surface 9; the distance L1 between the horizontal parting surface 9 and the upper end of the hub is set to be 461mm, and the distance L2 between the horizontal parting surface 9 and the lower end of the hub is set to be 396 mm; the upper mold 1 comprises an upper mold body 1-1 and an upper mold base 1-2, the lower mold 2 comprises a lower mold body 2-1 and a lower mold base 2-2, the upper sand box is arranged on one side of the upper mold body 1-1, and the middle sand box a is arranged on one side of the upper mold base 1-2; the upper sand box is matched with the middle sand box a and used for forming a forming cavity at the upper part of the hub, the lower sand box is arranged at one side of the lower die body 2-1, the middle sand box b is arranged at one side of the lower die base 2-2, and the middle sand box b is matched with the lower sand box and used for forming a forming cavity at the lower part of the hub.

Specifically, a plurality of chilling blocks a3 are uniformly distributed at the center of the upper die body 1-1 along the circumference, a plurality of pre-buried exhaust pipes 4 are symmetrically arranged on the horizontal plane vertical to the upper die body 1-1, and an exhaust channel is formed on the formed sand die; one side of the end part of the upper die 1 is provided with a pre-buried guide main pipe 5; and the pre-embedded guide header pipe 5 forms a main pouring gate after the sand cores are assembled.

A plurality of chilling blocks b6 are longitudinally arranged on the outer surface of the lower die body 2-1, and 5 pre-buried diversion branch pipes 7 are arranged on a limiting block arranged on one side of the lower die body 2-2; one of the pipes is arranged in the middle, the other four pipes are symmetrically arranged on two sides, and five pre-buried diversion branch pipes 7 are distributed in a scattered manner; and after the sand cores are assembled, five pre-embedded flow guide branch pipes 7 form branch pouring gates, and the main pouring gate is communicated with the branch pouring gates.

Two chilling blocks c8 are symmetrically arranged on the arc-shaped surface at one end of the lower die 2, so that cracks are effectively prevented from being generated on the surface of the poured hub.

The working principle is as follows: the hub manufacturing mold adopts a wax mold or a wood mold, and is divided along the horizontal direction to form an upper mold and a lower mold due to the fact that the hub is of a hollow structure and is irregular in shape; the middle sand box a is placed on one side of an upper mold base of the hub manufacturing mold, and the upper sand box is placed on one side of an upper mold body of the hub manufacturing mold; meanwhile, placing a chill, an embedded exhaust pipe and an embedded guide main pipe on the upper die; and filling sand in the cope flask and the middle flask a and tamping the sand, separating the cope flask from the middle flask a, taking out the upper mold, and closing the cope flask and the middle flask a to form the hub pouring upper cavity with the pouring gate and the exhaust hole.

The middle sand box b is placed on one side of a lower die base of the hub manufacturing die, the lower sand box is placed on one side of a lower die body of the hub manufacturing die, and the chilling block and the pre-buried diversion branch pipe are placed on the lower die; and (3) filling sand into the lower sand box and the middle sand box b and tamping the sand, separating the lower sand box from the middle sand box b, taking out the lower die, and closing the lower sand box and the middle sand box b to form a hub pouring lower cavity with a branch pouring gate.

And (3) closing the intermediate sand box a and the intermediate sand box b to complete die assembly of the whole sand core, injecting molten iron from the main pouring channel, allowing the molten iron to flow into each branch pouring channel along the main pouring channel, filling the wheel hub with the molten iron to pour the lower cavity and the upper cavity, and solidifying the molten iron to complete pouring and manufacturing of the wheel hub. The sand core forming machine has the advantages of simple structure and reasonable parting, so that the formed sand mold is simple to assemble, the number of sand cores is reduced, the sand cores are assembled into a large sand core, the phenomenon of sand core omission is not easy to occur when the sand cores are assembled, the operation difficulty is reduced, and the rejection rate is reduced.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A mould is made to wheel hub for seabed oil drilling equipment, including last mould (1) and lower mould (2), its characterized in that: the contact surface of the upper die (1) and the lower die (2) is a horizontal parting surface (9) of the hub, and the hub is divided into an upper part and a lower part by the horizontal parting surface (9); the distance between the horizontal parting plane (9) and the upper end of the hub is set to be L1, the distance between the horizontal parting plane (9) and the lower end of the hub is set to be L2, and L1 is greater than L2; the upper mold (1) comprises an upper mold body (1-1) and an upper mold base (1-2), the lower mold (2) comprises a lower mold body (2-1) and a lower mold base (2-2), the upper sand box is arranged on one side of the upper mold body (1-1), and the middle sand box a is arranged on one side of the upper mold base (1-2); the lower sand box is arranged on one side of the lower die body (2-1), and the middle sand box b is arranged on one side of the lower die base (2-2).

2. The hub manufacturing mold for undersea oil drilling equipment according to claim 1, wherein: a plurality of blocks of chilling blocks a (3) are uniformly distributed in the center of the upper die body (1-1) along the circumference, and a plurality of pre-buried exhaust pipes (4) are symmetrically arranged on the horizontal plane vertical to the upper die body (1-1); one side of the end part of the upper die (1) is provided with a pre-buried guide header pipe (5).

3. The hub manufacturing mold for undersea oil drilling equipment according to claim 1, wherein: the outer surface of the lower die body (2-1) is longitudinally provided with a plurality of chilling blocks b (6), and a limiting block arranged on one side of the lower die body (2-1) is provided with a plurality of pre-embedded diversion branch pipes (7).

4. The hub manufacturing mold for undersea oil drilling equipment according to claim 3, wherein: the embedded diversion branch pipes (7) are arranged in a divergent shape, and intersection points of the embedded diversion branch pipes (7) and the lower die body (2-1) are symmetrically distributed on the surface of the lower die (2).

5. The hub manufacturing mold for undersea oil drilling equipment according to claim 3, wherein: and two chilling blocks c (8) are symmetrically arranged on the arc-shaped surface at one end of the lower die (2).