CN219211530U

CN219211530U - Wax injection mold

Info

Publication number: CN219211530U
Application number: CN202223377239.XU
Authority: CN
Inventors: 金晶; 金鑫; 陈章丽
Original assignee: Zhaoqing Gaoyao Yongqi Metal Products Co ltd
Current assignee: Zhaoqing Gaoyao Yongqi Metal Products Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-06-20
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a wax injection mold, which comprises: the die assembly comprises an upper die and a lower die, the upper die is arranged at the top of the lower die, and a plurality of wax cavities are formed between the joint surfaces of the upper die and the lower die; the first core pulling mechanism comprises a first core pulling member and a first cylinder for driving the first core pulling member to move, and the first core pulling member is arranged in one of the upper die and the lower die; the second core pulling mechanism comprises a second core pulling member and a first spring driving the second core pulling member to move, the first spring drives the second core pulling member to move, and the moving direction of the first core pulling member is perpendicular to the moving direction of the second core pulling member; the upper die is provided with an abutting part on one side close to the lower die, the second core pulling part is provided with a translation part, and a wedge-shaped transmission surface for transmission is arranged between the abutting part and the translation part. The utility model can reduce the space occupation at the outer side of the mould, simplify the structure of the mould and avoid influencing the butt joint of the wax injection port of the wax injection machine and the wax inlet of the mould.

Description

Wax injection mold

Technical Field

The utility model relates to the technical field of dies, in particular to a wax injection die.

Background

In investment casting, a wax liquid is injected into a mold, the wax liquid enters a cavity from a liquid injection port of the mold, and after the wax liquid is solidified, the wax liquid is molded in the cavity, so that a wax model of a required part is obtained.

In the structure of the mould of some complex parts, core pulling is arranged around the mould, and the core pulling can form hole sites of a wax model.

Further, the core pulling device is also provided with an air cylinder, and the air cylinder can drive the core pulling device to pull away from the cavity of the mold, so that the core pulling efficiency is improved.

However, the cylinder is arranged around the mould, so that the mould is complex in structure, the wax inlet and the runner of the mould are difficult to arrange, and the space outside the mould is occupied by the cylinder, so that the butt joint of the wax injection port of the wax injection machine and the wax inlet of the mould is influenced.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the wax injection mold, which can reduce the space occupation at the outer side of the mold, is convenient for arranging the wax liquid channel of the mold, simplifies the structure of the mold, and avoids influencing the butt joint of the wax injection port of the wax injection machine and the wax inlet of the mold.

According to an embodiment of the first aspect of the present utility model, a wax injection mold includes: the die assembly comprises an upper die and a lower die, wherein the upper die is arranged at the top of the lower die, a plurality of wax cavities are formed between the joint surfaces of the upper die and the lower die, and the wax cavities are used for forming wax models; the first core pulling mechanism comprises a first core pulling member and a first cylinder for driving the first core pulling member to move, the first core pulling member is arranged in one of the upper die and the lower die, and the first core pulling member can be close to or far away from the wax cavity; the second core pulling mechanism comprises a second core pulling member and a first spring driving the second core pulling member to move, the first spring drives the second core pulling member to move so as to drive the second core pulling member to be close to or far away from the wax cavity, and the moving direction of the first core pulling member is perpendicular to the moving direction of the second core pulling member; the upper die is provided with an abutting part close to one side of the lower die, the second core pulling part is provided with a translation part, and a wedge-shaped transmission surface for transmission is arranged between the abutting part and the translation part.

According to some embodiments of the utility model, the translating element is provided with a first slide, the lower die is provided with a first slide, and the first slide moves along the first slide.

According to some embodiments of the utility model, a wax liquid channel is formed between the bonding surfaces of the upper die and the lower die, the wax liquid channel is communicated with the wax-type cavity, and the length direction of the wax liquid channel is arranged along the length direction of the first slideway.

According to some embodiments of the utility model, the lower die is provided with a limiting part, the limiting part is connected with the lower die through a bolt, the translation part is provided with a limiting groove, the limiting part is positioned in the limiting groove, and the limiting part can prevent the translation part from being separated from the first slideway.

According to some embodiments of the utility model, the upper die is provided with a mounting groove, and the abutment portion is provided with a mounting portion fixedly mounted to the mounting groove.

According to some embodiments of the utility model, a third core-pulling member is disposed between the upper die and the lower die, the third core-pulling member is located between two adjacent wax cavities, the third core-pulling member has a core-pulling portion, and the wax cavities house the core-pulling portion.

According to some embodiments of the utility model, the third core-pulling member is provided with a positioning portion connected with the core-pulling portion, and the lower die is provided with a positioning groove, and the positioning groove accommodates the positioning portion.

The wax injection mold provided by the embodiment of the utility model has at least the following beneficial effects:

1. according to the utility model, the wax injection machine injects the wax liquid into the plurality of wax cavities in one wax injection by arranging the plurality of wax cavities, so that a plurality of wax models can be formed, and the production efficiency of the wax models is greatly improved.

2. According to the utility model, the first core-pulling member and the first air cylinder are arranged, the first air cylinder can drive the first core-pulling member to be close to the wax cavity, so that a hole site of the wax model can be formed, and the first air cylinder can drive the first core-pulling member to be far away from the wax cavity, so that the first core-pulling member is pulled away from the wax model, and therefore, the first core-pulling member does not need to be manually moved, and the production efficiency is improved.

3. According to the utility model, the second core-pulling member and the first spring are arranged, when the upper die and the lower die are clamped, the abutting member descends to be close to the translation member, the wedge-shaped transmission surface can be an inclined surface under the action of the wedge-shaped transmission surface, the translation member translates to enable the second core-pulling member to be close to the wax cavity, so that a hole site of the wax model can be formed, when the upper die and the lower die are separated, the translation member is far away from the wax cavity under the action of the first spring, and the second core-pulling member is enabled to be pulled away from the wax model, so that a cylinder does not need to be adopted to drive the second core-pulling member to move, the occupation of space on the outer side of the die is reduced, the die wax channel is conveniently arranged, the die structure is simplified, and the influence on the butt joint of a wax injection port of the wax injection machine and a wax inlet of the die is avoided.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of a wax injection mold according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a wax injection mold of FIG. 1 from another perspective;

fig. 3 is a schematic structural view of the wax injection mold shown in fig. 1 from another view.

Reference numerals: 100-upper die, 110-lower die, 120-wax cavity, 130-first core-pulling member, 140-second core-pulling member, 160-abutting member, 170-translation member, 180-wedge driving surface, 190-first sliding part, 200-first slideway, 210-wax liquid channel, 220-limit part, 230-limit groove, 240-mounting groove, 250-mounting part, 260-third core-pulling member, 270-core-pulling member, 280-locating part, 290-locating groove and 300-first spring.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements 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 utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

A wax injection mold according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

Referring to fig. 1, a wax injection mold according to an embodiment of the present utility model includes a mold assembly, a first core-pulling mechanism, and a second core-pulling mechanism.

The mold assembly comprises an upper mold 100 and a lower mold 110, wherein the upper mold 100 is arranged at the top of the lower mold 110, a plurality of wax cavities 120 are formed between the bonding surfaces of the upper mold 100 and the lower mold 110, and the wax cavities 120 are used for forming wax patterns.

The first core-pulling mechanism includes a first core-pulling member 130, and a first cylinder driving the first core-pulling member 130 to move, where the first core-pulling member 130 is disposed on one of the upper mold 100 and the lower mold 110, and the first core-pulling member 130 can be close to or far from the wax cavity 120.

The second core-pulling mechanism includes a second core-pulling member 140 and a first spring 300 driving the second core-pulling member 140 to move, where the first spring 300 drives the second core-pulling member 140 to move so as to drive the second core-pulling member 140 to approach or depart from the wax cavity 120, and a moving direction of the first core-pulling member 130 is perpendicular to a moving direction of the second core-pulling member 140.

Further, referring to fig. 1 and 2, an abutment 160 is disposed on a side of the upper mold 100 adjacent to the lower mold 110, the second core back member 140 is provided with a translation member 170, and a wedge-shaped transmission surface 180 for transmission is disposed between the abutment 160 and the translation member 170.

In some embodiments of the present utility model, the translation member 170 is provided with a first slide 190, the lower mold 110 is provided with a first slide 200, and the first slide 190 moves along the first slide 200, so that the second core-pulling member 140 precisely enters the wax cavity 120.

In some embodiments of the present utility model, a wax liquid channel 210 is formed between the bonding surfaces of the upper mold 100 and the lower mold 110, the wax liquid channel 210 is communicated with the wax cavity 120, and the length direction of the wax liquid channel 210 is along the length direction of the first slide rail 200, so that the wax liquid channel 210 is conveniently arranged, and meanwhile, when the wax injection port of the wax injection machine is in butt joint with the wax liquid channel 210, no air cylinder is blocked, so that an operator can observe the butt joint condition of the wax injection port of the wax injection machine and the wax liquid channel 210 conveniently.

In some embodiments of the present utility model, the lower die 110 is provided with a limiting portion 220, the limiting portion 220 is connected with the lower die 110 through a bolt, the translation member 170 is provided with a limiting groove 230, the limiting portion 220 is located in the limiting groove 230, and the limiting portion 220 can prevent the translation member 170 from being separated from the first slide way 200.

In some embodiments of the present utility model, referring to fig. 1 and 3, the upper mold 100 is provided with a mounting groove 240, the abutment portion is provided with a mounting portion 250, the mounting portion 250 is fixedly mounted to the mounting groove 240, and the mounting portion 250 may be fitted in the mounting groove 240.

In some embodiments of the present utility model, a third core back member 260 is disposed between the upper mold 100 and the lower mold 110, the third core back member 260 is located between two adjacent wax cavities 120, the third core back member 260 has a core back portion 270, and the wax cavities 120 house the core back portion 270.

Because the space between two adjacent wax patterns 120 is narrow, a cylinder cannot be used, and the third core-pulling member 260 can be detached by separating the two wax patterns after the wax patterns are separated from the mold by using the third core-pulling member 260 to form the hole sites of the two adjacent wax patterns.

In some embodiments of the present utility model, the third core-pulling member 260 is provided with a positioning portion 280 connected to the core-pulling member 270, and the lower mold 110 is provided with a positioning groove 290, and the positioning groove 290 accommodates the positioning portion 280, so that the third core-pulling member 260 is accurately positioned.

Thus, the present embodiment has the following effects:

1. according to the utility model, the wax injection machine injects the wax liquid into the plurality of wax cavities 120 in one wax injection by arranging the plurality of wax cavities 120, so that a plurality of wax models can be formed, and the production efficiency of the wax models is greatly improved.

2. According to the utility model, the first core-pulling member 130 and the first cylinder are arranged, the first cylinder can drive the first core-pulling member 130 to be close to the wax cavity 120, so that a hole site of a wax model can be formed, and the first cylinder can drive the first core-pulling member 130 to be far away from the wax cavity 120, so that the first core-pulling member 130 is pulled away from the wax model, and therefore, the first core-pulling member 130 does not need to be manually moved, and the production efficiency is improved.

3. According to the utility model, by arranging the second core pulling member 140 and the first spring 300, when the upper die 100 and the lower die 110 are clamped, the abutting member 160 descends to be close to the translation member 170, under the action of the wedge-shaped transmission surface 180, the wedge-shaped transmission surface 180 can be an inclined surface, the translation member 170 translates to enable the second core pulling member 140 to be close to the wax cavity 120, so that a hole site of a wax model can be formed, and when the upper die 100 and the lower die 110 are separated, under the action of the first spring 300, the translation member 170 is far away from the wax cavity 120, so that the second core pulling member 140 is pulled away from the wax model, therefore, a cylinder is not required to drive the second core pulling member 140 to move, the space occupation on the outer side of the die is reduced, the die wax liquid channel 210 is convenient to arrange, the die structure is simplified, and the influence of the butt joint of a wax injection port of a wax injection machine and a wax inlet of the die is avoided.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A wax injection mold, comprising:

the die assembly comprises an upper die (100) and a lower die (110), wherein the upper die (100) is arranged at the top of the lower die (110), a plurality of wax cavities (120) are formed between the joint surfaces of the upper die (100) and the lower die (110), and the wax cavities (120) are used for forming wax models;

the first core pulling mechanism comprises a first core pulling member (130) and a first air cylinder for driving the first core pulling member (130) to move, wherein the first core pulling member (130) is arranged in one of the upper die (100) and the lower die (110), and the first core pulling member (130) can be close to or far away from the wax cavity (120);

the second core pulling mechanism comprises a second core pulling member (140) and a first spring (300) for driving the second core pulling member (140) to move, the first spring (300) drives the second core pulling member (140) to move so as to drive the second core pulling member (140) to be close to or far away from the wax cavity (120), and the moving direction of the first core pulling member (130) is perpendicular to the moving direction of the second core pulling member (140);

the upper die (100) is provided with an abutting part (160) close to one side of the lower die (110), the second core pulling part (140) is provided with a translation part (170), and a wedge-shaped transmission surface (180) for transmission is arranged between the abutting part (160) and the translation part (170).

2. Wax injection mold according to claim 1, characterized in that the translation member (170) is provided with a first slide (190), the lower mold (110) is provided with a first slide (200), and the first slide (190) moves along the first slide (200).

3. The wax injection mold of claim 2, wherein a wax liquid channel (210) is formed between the bonding surfaces of the upper mold (100) and the lower mold (110), the wax liquid channel (210) is communicated with the wax cavity (120), and a length direction of the wax liquid channel (210) is arranged along a length direction of the first slide way (200).

4. The wax injection mold according to claim 2, wherein the lower mold (110) is provided with a limiting portion (220), the limiting portion (220) is connected with the lower mold (110) through a bolt, the translation member (170) is provided with a limiting groove (230), the limiting portion (220) is located in the limiting groove (230), and the limiting portion (220) can prevent the translation member (170) from being separated from the first slideway (200).

5. Wax injection mold according to claim 1, characterized in that the upper mold (100) is provided with a mounting groove (240), the abutment (160) is provided with a mounting portion (250), and the mounting portion (250) is fixedly mounted in the mounting groove (240).

6. The wax injection mold according to claim 1, wherein a third core-pulling member (260) is disposed between the upper mold (100) and the lower mold (110), the third core-pulling member (260) is disposed between two adjacent wax cavities (120), the third core-pulling member (260) has a core-pulling portion (270), and the wax cavities (120) house the core-pulling portion (270).

7. The wax injection mold according to claim 6, wherein the third core-pulling member (260) is provided with a positioning portion (280) connected with the core-pulling portion (270), the lower mold (110) is provided with a positioning groove (290), and the positioning groove (290) accommodates the positioning portion (280).