CN219292680U

CN219292680U - Casting mould

Info

Publication number: CN219292680U
Application number: CN202320233248.7U
Authority: CN
Inventors: 胡建平; 仲国培; 王小明
Original assignee: Hangzhou Yongtai Cast Steel Co ltd
Current assignee: Hangzhou Yongtai Cast Steel Co ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-07-04
Anticipated expiration: 2033-02-16

Abstract

The utility model discloses a casting mold, and belongs to the technical field of casting molds. The utility model comprises a lower die, an upper die arranged at the top of the lower die, a support is fixedly connected to the bottom of the lower die, a bottom plate is fixedly connected to the bottom of the support, connecting blocks are fixedly connected to the left side and the right side of the bottom of the lower die, clamping jaws are movably connected to the surface of the connecting blocks through pin shafts, one sides of the clamping jaws far away from the connecting blocks extend to the top of the upper die, an extension plate is fixedly connected to the bottom of the clamping jaws, a screw is movably connected between the bottom plate and the lower die through a bearing, a trapezoid block is connected to the surface of the screw through threads, the outer surface of the trapezoid block is in contact with the surface of the extension plate, one end of the extension plate far away from the clamping jaws is movably connected with a roller through the pin shafts, and the outer surface of the roller is in contact with the surface of the trapezoid block. The utility model can improve the connection mode of the upper die and the lower die, replace the operation step of carrying out fixed connection through a large number of locks, and improve the die dismounting efficiency.

Description

Casting mould

Technical Field

The utility model belongs to the technical field of casting molds, and particularly relates to a casting mold.

Background

Casting is a process in which liquid metal is cast into a casting cavity that conforms to the shape of the part, and after it has cooled to solidify, the part or blank is obtained. The casting mould mainly comprises last mould and lower mould, but current last mould is comparatively loaded down with trivial details with the connected mode of lower mould, carries out fixed connection mainly through a large amount of catches, need to dismantle repeatedly to a large amount of catches in the dismouting process, influences mould dismouting efficiency.

Therefore, design modification of the casting mold is required.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide a casting mold, which has the advantage of improving the mold disassembly and assembly efficiency, and solves the problems that the existing connection mode of an upper mold and a lower mold is complicated, the fixed connection is mainly performed through a large number of locks, the repeated disassembly and assembly of a large number of locks are needed in the disassembly and assembly process, and the mold disassembly and assembly efficiency is affected.

The utility model provides the following technical scheme: a casting mold comprising a lower mold;

an upper die arranged at the top of the lower die;

the bottom fixedly connected with support of lower mould, the bottom fixedly connected with bottom plate of support, the equal fixedly connected with connecting block in left side and the right side of lower mould bottom, the surface of connecting block is through round pin axle swing joint has the jack catch, one side that the connecting block was kept away from to the jack catch extends to the top of upper mould, the bottom fixedly connected with extension board of jack catch, there is the screw rod through bearing swing joint between bottom plate and the lower mould, the surface threaded connection of screw rod has trapezoidal piece, the surface of trapezoidal piece and the surface contact of extension board.

As preferable in the utility model, one end of the extension plate far away from the clamping jaw is movably connected with a roller through a pin shaft, and the outer surface of the roller is contacted with the surface of the trapezoid block.

The beneficial effects of the utility model are as follows:

1. the utility model can improve the connection mode of the upper die and the lower die, replace the operation step of carrying out fixed connection through a large number of locks, and improve the die dismounting efficiency.

2. According to the utility model, the roller is arranged, so that the extension plate can be protected, and the abrasion generated when the extension plate and the trapezoid block are in contact friction is reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic front view in section of a partial structure of the present utility model.

Fig. 3 is a schematic perspective view of a partial structure of the present utility model.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1 to 3, the casting mold of the present embodiment includes a lower mold 1; an upper die 2 arranged on the top of the lower die 1; the bottom fixedly connected with support 3 of lower mould 1, the bottom fixedly connected with bottom plate 4 of support 3, the equal fixedly connected with connecting block 5 in left side and the right side of lower mould 1 bottom, the surface of connecting block 5 is through round pin axle swing joint jack catch 6, one side that connecting block 5 was kept away from to jack catch 6 extends to the top of upper mould 2, the bottom fixedly connected with extension board 7 of jack catch 6, there is screw rod 8 through bearing swing joint between bottom plate 4 and the lower mould 1, the surface threaded connection of screw rod 8 has trapezoidal piece 9, the surface of trapezoidal piece 9 and the surface contact of extension board 7.

Referring to fig. 1, one end of the extension plate 7, which is far away from the claw 6, is movably connected with a roller 10 through a pin, and the outer surface of the roller 10 is in contact with the surface of the trapezoid block 9.

In this embodiment, the roller 10 is provided to protect the extension plate 7 and reduce abrasion generated when the extension plate 7 and the trapezoid block 9 contact and rub.

Referring to fig. 1, a trapezoid block 9 is sleeved on the surface of the bracket 3, and the trapezoid block 9 is slidably connected with the bracket 3.

According to the embodiment, the trapezoidal blocks 9 are sleeved on the surface of the support 3, so that the trapezoidal blocks 9 can be limited, and the trapezoidal blocks 9 are prevented from inclining in the moving process.

Referring to fig. 2, a worm 11 is movably connected in the bracket 3, a rotating wheel 12 is fixedly connected to the right end of the worm 11, a worm wheel 13 positioned on the front surface of the worm 11 is fixedly connected to the surface of the screw 8, and the worm wheel 13 is meshed with the worm 11.

The worm wheel 13, the rotating wheel 12 and the worm 11 are arranged, so that a user can conveniently rotate the screw 8, and the screw 8 can be locked.

Referring to fig. 2, the top of the bottom plate 4 is fixedly connected with a protective cover 14, the protective cover 14 is respectively sleeved on the surfaces of the screw rod 8 and the bracket 3, and the worm 11 and the worm wheel 13 are both positioned in the protective cover 14.

In this embodiment, the protection cover 14 is provided, so that the safety of the bottom plate 4 can be improved, and the contact area between the structure such as the worm 11 and the external environment can be reduced.

Referring to fig. 3, a spring plate 15 is fixedly connected to the inner side of the jaw 6, one side of the spring plate 15 away from the jaw 6 contacts with the surface of the lower die 1, and the spring plate 15 has elasticity.

In this embodiment, the elastic plate 15 is provided, so that the claw 6 can be supported, and the claw 6 has an elastic reset effect.

The upper die 2 is moved to the top of the lower die 1 to form a sealed forming cavity, then a user rotates the rotating wheel 12, the rotating wheel 12 drives the worm 11 to rotate, the worm 11 drives the screw rod 8 to rotate by the worm wheel 13, the screw rod 8 pushes the trapezoid block 9 upwards by threads, the trapezoid block 9 extrudes the extension plate 7 in the moving process, the extension plate 7 drives the clamping jaw 6 to swing by taking a pin shaft on the surface of the connecting block 5 as an axis, and when the clamping jaw 6 moves to the top of the upper die 2, the upper die 2 and the lower die 1 are stably connected.

Claims

1. A casting mould comprising a lower mould (1);

an upper die (2) arranged at the top of the lower die (1);

the method is characterized in that: the bottom fixedly connected with support (3) of lower mould (1), the bottom fixedly connected with bottom plate (4) of support (3), the equal fixedly connected with connecting block (5) in the left side and the right side of lower mould (1) bottom, the surface of connecting block (5) is through round pin axle swing joint has jack catch (6), one side that connecting block (5) was kept away from to jack catch (6) extends to the top of upper mould (2), the bottom fixedly connected with extension board (7) of jack catch (6), there is screw (8) through bearing swing joint between bottom plate (4) and lower mould (1), the surface threaded connection of screw (8) has trapezoidal piece (9), the surface of trapezoidal piece (9) and the surface contact of extension board (7).

2. A casting mould according to claim 1, characterized in that: one end of the extension plate (7) far away from the clamping jaw (6) is movably connected with a roller (10) through a pin shaft, and the outer surface of the roller (10) is in contact with the surface of the trapezoid block (9).

3. A casting mould according to claim 1, characterized in that: the trapezoid block (9) is sleeved on the surface of the support (3), and the trapezoid block (9) is connected with the support (3) in a sliding mode.

4. A casting mould according to claim 2, characterized in that: the novel worm gear is characterized in that a worm (11) is movably connected inside the support (3), the right end of the worm (11) is fixedly connected with a rotating wheel (12), the surface of the screw (8) is fixedly connected with a worm wheel (13) positioned on the front face of the worm (11), and the worm wheel (13) is meshed with the worm (11).

5. A casting mold according to claim 4, wherein: the top fixedly connected with protection casing (14) of bottom plate (4), protection casing (14) cover are established respectively in the surface of screw rod (8) and support (3), worm (11) and worm wheel (13) all are located the inside of protection casing (14).

6. A casting mold according to claim 5, wherein: the inner side of the clamping jaw (6) is fixedly connected with a spring plate (15), one side, far away from the clamping jaw (6), of the spring plate (15) is in contact with the surface of the lower die (1), and the spring plate (15) has elasticity.