CN212285778U

CN212285778U - Casting mould convenient to change mold core

Info

Publication number: CN212285778U
Application number: CN202021047099.8U
Authority: CN
Inventors: 沈阳
Original assignee: Jiangxi Bosa Auto Parts Co ltd
Current assignee: Jiangxi Bosa Auto Parts Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-01-05
Anticipated expiration: 2030-06-09

Abstract

The utility model discloses a casting mould convenient to change mold core, including base station and upper die base, the last fixed surface of base station installs the die holder, the last fixed surface of die holder installs the lower mould, the screw thread through-hole has been seted up on the surface of lower mould, and sets up the first screw thread blind hole that corresponds with the screw thread through-hole on the die holder, be provided with the bolt in the screw thread through-hole, and the one end of bolt runs through screw thread through-hole screw thread and install in first screw thread blind hole, the last fixed surface of die holder installs the screw thread post, the mold core is installed to screw thread on the screw thread post, the upper die base passes through connecting rod fixedly connected with and goes up the mould, the upper surface of lower mould is provided with the lug, and goes up the mould and. The utility model discloses when changing the mold core, the step is simple and convenient, easy operation, when changing the lower mould, it is simpler to compare the change process with ordinary mould.

Description

Casting mould convenient to change mold core

Technical Field

The utility model relates to a mould casting technical field specifically is a casting mould convenient to change mold core.

Background

The casting mold is a mold used for forming a casting in a casting forming process, and is characterized in that other easily-formed materials are used for forming the structural shape of the part in advance, then the mold is placed in a sand mold, so that a cavity with the same structural size as the part is formed in the sand mold, a fluid liquid is poured into the cavity, the liquid is cooled and solidified to form the part with the same shape and structure as the mold. The casting mold is matched with a casting process and mainly comprises a gravity casting mold, a high-pressure casting mold (die casting mold), a low-pressure casting mold, an extrusion casting mold and the like, the casting mold is one of the most important technological devices in casting production, the quality of a casting is greatly influenced, and the improvement of the casting mold technology has important significance for improving the quality of the casting, developing a novel casting and improving the near-net processing level. The progress of the casting mold technology can provide more precise, complex and high-quality castings for national pillar industry of automobiles, electric power, ships, rail transit, aerospace and the like, and promote the improvement of the whole level of the manufacturing industry in China.

The mold core refers to a precise part used for key operation of the central part of the mold, the general structure of the mold core is extremely complex, the processing difficulty is very high, the manufacturing cost is very high, and the manual expenditure of the manufacture greatly exceeds that of the material. The selection of the material of the die core is directly related to the manufacturing cost of the die and the service life of the die, when the die core of the existing casting die is replaced, the whole die is often required to be detached from the die holder, the whole set of die is completely replaced, the existing casting die is inconvenient to detach, and the existing casting die is generally fixed with a dovetail groove of the die holder in an interference fit manner and is troublesome to detach, so that the casting die convenient for replacing the die core is required to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a casting mould convenient to change mold core, it need not to pull down whole mould to change the mold core, and is also very convenient during the change mould to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a casting mould convenient to change mold core, includes base station and upper die base, the last fixed surface of base station installs the die holder, the last fixed surface of die holder installs the lower mould, the screw thread through-hole has been seted up on the surface of lower mould, and sets up the first screw thread blind hole that corresponds with the screw thread through-hole on the die holder, be provided with the bolt in the screw thread through-hole, and the one end of bolt runs through screw thread through-hole screw thread and installs in first screw thread blind hole, the last fixed surface of die holder installs the screw thread post, the mold core is installed to screw thread on the screw thread post, the upper die base passes through connecting rod fixedly connected with and goes up the mould, the upper surface of lower mould is provided with the lug, and.

Preferably, the lugs are arranged in two groups, and the two groups of lugs are symmetrically arranged by taking the mold core as a symmetry axis.

Preferably, the lower surface of the mold core is provided with a second threaded blind hole, and the threaded column is installed in the second threaded blind hole in a threaded manner.

Preferably, a casting hole is formed in the upper surface of the upper die, and the casting hole is located in the center of the upper surface of the upper die.

Preferably, a handle is fixedly arranged on the upper surface of the upper die base.

Preferably, the mould core is provided as a mould core of hardened plastic mould steel.

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

1. the utility model discloses an upper surface fixed mounting of die holder has the screw thread post, and the screw thread is installed the mold core on the screw thread post, and the upper surface of lower mould is provided with the lug, and sets up flutedly on the upper die, and the lug joint is fixed in the design in the recess, makes when needing to change the mold core, only needs to mention the upper die holder together with upper die 9 through the handle, then unscrews the mold core from the screw thread post, changes, and the step is simple and convenient, easy operation;

2. the utility model discloses a screw thread through-hole has been seted up on the surface of lower mould, sets up the first screw thread blind hole that corresponds with the screw thread through-hole on the die holder, is provided with the bolt in the screw thread through-hole, and the one end of bolt runs through the design that screw thread through-hole screw thread was installed in first screw thread blind hole for when changing the lower mould, only need unscrew the bolt, then separate the lower mould from the base station, change, compare the replacement process simpler with ordinary mould.

Drawings

Fig. 1 is a schematic structural view of the present invention;

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

fig. 3 is a side view of the present invention.

In the figure: 1. a base station; 2. an upper die holder; 3. a lower die holder; 4. a lower die; 5. a threaded post; 6. a mold core; 7. a second threaded blind hole; 8. a connecting rod; 9. an upper die; 10. a bump; 11. a groove; 12. a threaded through hole; 13. a first threaded blind hole; 14. a bolt; 15. a casting hole; 16. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a casting mold convenient for replacing a mold core comprises a base table 1 and an upper mold base 2, a lower mold base 3 is fixedly installed on the upper surface of the base table 1, a lower mold 4 is fixedly installed on the upper surface of the lower mold base 3, a threaded through hole 12 is formed in the surface of the lower mold 4, a first threaded blind hole 13 corresponding to the threaded through hole 12 is formed in the lower mold base 3, a bolt 14 is arranged in the threaded through hole 12, one end of the bolt 14 penetrates through the threaded through hole 12 and is installed in the first threaded blind hole 13 in a threaded mode, a threaded column 5 is fixedly installed on the upper surface of the lower mold base 3, a mold core 6 is installed on the threaded column 5 in a threaded mode, the mold core 6 is set to be a mold core made of hardened plastic mold steel, a second threaded blind hole 7 is formed in the lower surface of the mold core 6, the threaded column 5 is installed in the second threaded blind hole 7 in, and the casting hole 15 is located at the center of the upper surface of the upper die 9, the handle 16 is fixedly installed on the upper surface of the upper die base 2, the convex block 10 is arranged on the upper surface of the lower die 4, the groove 11 is formed in the upper die 9, the convex block 10 is clamped and fixed in the groove 11, the convex block 10 is provided with two groups, and the two groups of convex blocks 10 are symmetrically arranged by taking the die core 6 as a symmetry axis.

The working principle is as follows: when the mold core 6 is replaced, the upper mold base 2 and the upper mold 9 are lifted through the lifting handle 16, then the mold core 6 is unscrewed from the threaded column 5 for replacement, the steps are simple, the operation is simple, when the lower mold 4 is replaced, the bolt 14 can be unscrewed, then the lower mold 4 is separated from the base platform 1 for replacement, and compared with a common mold, the replacement process is simpler.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a casting mould convenient to change mold core, includes base station (1) and upper die base (2), its characterized in that: the upper surface of the base station (1) is fixedly provided with a lower die holder (3), the upper surface of the lower die holder (3) is fixedly provided with a lower die (4), the surface of the lower die (4) is provided with a threaded through hole (12), the lower die holder (3) is provided with a first threaded blind hole (13) corresponding to the threaded through hole (12), a bolt (14) is arranged in the threaded through hole (12), one end of the bolt (14) penetrates through the threaded through hole (12) and is arranged in the first threaded blind hole (13) in a threaded manner, the upper surface of the lower die holder (3) is fixedly provided with a threaded column (5), a die core (6) is arranged on the threaded column (5) in a threaded manner, the upper die holder (2) is fixedly connected with an upper die (9) through a connecting rod (8), the upper surface of the lower die (4) is provided with a convex block (10), and, the convex block (10) is clamped and fixed in the groove (11).

2. The casting mold of claim 1, wherein the mold core is easily replaced by: the two groups of the convex blocks (10) are arranged, and the two groups of the convex blocks (10) are symmetrically arranged by taking the mold core (6) as a symmetry axis.

3. The casting mold of claim 1, wherein the mold core is easily replaced by: and a second threaded blind hole (7) is formed in the lower surface of the mold core (6), and the threaded column (5) is installed in the second threaded blind hole (7) in a threaded manner.

4. The casting mold of claim 1, wherein the mold core is easily replaced by: a casting hole (15) is formed in the upper surface of the upper die (9), and the casting hole (15) is located in the center of the upper surface of the upper die (9).

5. The casting mold of claim 1, wherein the mold core is easily replaced by: and a lifting handle (16) is fixedly arranged on the upper surface of the upper die holder (2).

6. The casting mold of claim 1, wherein the mold core is easily replaced by: the mould core (6) is arranged as a mould core for hardening plastic mould steel.