CN219254099U

CN219254099U - Casting device and casting prototype manufactured by same

Info

Publication number: CN219254099U
Application number: CN202320744458.2U
Authority: CN
Inventors: 李庆
Original assignee: Beijing Kohler Ltd
Current assignee: Beijing Kohler Ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-06-27
Anticipated expiration: 2033-04-06

Abstract

The utility model discloses a casting device and a casting prototype manufactured by the casting device, and belongs to the technical field of casting. The casting device comprises a die body and a core, wherein a forming cavity is arranged between the die body and the core; the forming chamber includes: the two casting mold cavities are symmetrically arranged on the mold body, the casting mold cavities are in a cross shape, a first sprue is arranged at the bottom of each casting mold cavity, a second sprue is arranged at the middle part of each casting mold cavity, and a third sprue is arranged at the upper part of each casting mold cavity; the pouring gate comprises a first pouring gate, a second pouring gate and a third pouring gate which are mutually communicated, wherein the first pouring gate is communicated with first pouring gates of two casting cavities, the second pouring gate is communicated with second pouring gates of the two casting cavities, and the third pouring gate is communicated with third pouring gates of the two casting cavities. The utility model solves the problems that the existing casting device is not easy to fill and the formed casting is easy to deform.

Description

Casting device and casting prototype manufactured by same

Technical Field

The utility model relates to the technical field of casting devices, in particular to a casting device and a casting prototype manufactured by the same.

Background

A low pressure casting apparatus for making a cross-type faucet base casting (hereinafter referred to as "casting") generally includes a casting mold and a core. The mould comprises a movable mould and a static mould. The movable mould, the stationary mould and the core cooperate, are provided with the fashioned cavity of foundry goods between movable mould, stationary mould and the core, and the cavity includes runner, exhaust riser and foundry goods die cavity, and foundry goods die cavity's appearance is the cross, and foundry goods middle part region is the sheet structure of approximate rectangle, and four side terminal surfaces of sheet set up the structure of similar body respectively, and the core sets up in the foundry goods die cavity.

Because the middle area of the cross casting is of a thin plate structure with smaller thickness, the pouring gate in the casting device for forming the cross casting is larger in resistance after passing through the thin plate area, so that the top area is not easy to fill, and meanwhile, because the middle part of the cross casting is thinner, the connecting area between the pipe body of the casting and the thin plate is easy to deform at the temperature of about 200 ℃ after the casting is taken out of the die.

Disclosure of Invention

Therefore, the utility model provides a casting device for forming a cross-shaped casting, which aims to solve the problems that the existing casting device is not easy to fill and the formed casting is easy to deform.

Aiming at the technical problems, the utility model provides the following technical scheme:

a casting device comprises a die body and a core, wherein a forming cavity is arranged between the die body and the core; the forming chamber includes: the two casting mold cavities are symmetrically arranged on the mold body, the casting mold cavities are in a cross shape, a first sprue is arranged at the bottom of each casting mold cavity, a second sprue is arranged at the middle part of each casting mold cavity, and a third sprue is arranged at the upper part of each casting mold cavity; the pouring gate comprises a first pouring gate, a second pouring gate and a third pouring gate which are mutually communicated, wherein the first pouring gate is communicated with first pouring gates of two casting cavities, the second pouring gate is communicated with second pouring gates of the two casting cavities, and the third pouring gate is communicated with third pouring gates of the two casting cavities.

In some embodiments of the present utility model, the runner is disposed on a parting surface of the mold body, the runner includes a main runner disposed between two casting cavities, and the first runner, the second runner, and the third runner are symmetrically disposed on two sides of the main runner, respectively.

In some embodiments of the present utility model, the dimension of the casting cavity in the up-down direction is greater than the dimension in the left-right direction, and the casting solution is cast from bottom to top along the casting cavity.

In some embodiments of the utility model, the casting cavity comprises: the device comprises a seat body cavity and a tube body cavity, wherein the seat body cavity is positioned in the middle area, the tube body cavity extends outwards from the seat body cavity, and the outer side end parts of the tube body cavity are respectively provided with an interface cavity.

In some embodiments of the present utility model, the tube-shaped cavities include a first tube-shaped cavity and a second tube-shaped cavity extending in a horizontal direction, a third tube-shaped cavity and a fourth tube-shaped cavity extending in a vertical direction, the first tube-shaped cavity extends to a left side of the seat-shaped cavity, the second tube-shaped cavity extends to a right side of the seat-shaped cavity, the third tube-shaped cavity extends to a lower side of the seat-shaped cavity, and the fourth tube-shaped cavity extends to an upper side of the seat-shaped cavity.

In some embodiments of the present utility model, the first gate is located at an end surface of an interface cavity of the third pipe cavity, the second gate is located at an end surface of an interface cavity of the first pipe cavity and the second pipe cavity, and the third gate is located at a peripheral surface of an interface cavity of the fourth pipe cavity.

In some embodiments of the present utility model, the mold further comprises a first vent head located at the top end of the fourth tube cavity, a second vent head located at the top end of the seat cavity, and a third vent head located at the top ends of the first tube cavity and the second tube cavity.

In some embodiments of the present utility model, the first runner has a gradually decreasing flow area from the main runner side to the first gate side.

In some embodiments of the present utility model, the third runner has a gradually decreasing flow area from the main runner side to the third gate side.

The utility model also provides a casting prototype manufactured by the casting device, which comprises casting bodies and supporting bodies positioned between the casting bodies, wherein the casting bodies are formed by casting liquid in casting cavities, and the supporting bodies are formed by casting liquid in pouring channels.

Compared with the prior art, the technical scheme of the utility model has the following technical effects:

in the casting device provided by the utility model, the three pouring gates are arranged at the bottom, the middle part and the upper part of the casting cavity, the three pouring gates matched with the pouring gates of the casting cavity are arranged on the die body, the cross section area of the pouring gates connected with the cavity is increased, so that the casting cavity is easier to mold, the mold filling time is shortened, the mold filling capability is improved, and the casting defect of insufficient pouring caused by the fluctuation of the temperature and the mold filling pressure of the copper liquid is reduced. Simultaneously, two castings after the shaping support through the connecting portion after the three runner shaping, make the connection structure of each part of foundry goods comparatively even, improve the foundry goods and be in the high temperature state because the deformation problem that the demolding and transportation lead to.

Drawings

The objects and advantages of the present utility model will be better understood by describing in detail preferred embodiments thereof with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of a casting apparatus according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a prototype of a casting made using the casting apparatus of the present utility model;

fig. 3 is a schematic view of a casting made using the casting apparatus of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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 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.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Fig. 1 shows a specific embodiment of the casting device provided by the utility model, wherein the casting device is used for forming two cross-shaped faucet base castings A through one die, namely a one-die two-cavity casting device. As shown in fig. 3, the middle area of the cross-shaped faucet base casting a is a rectangular thin plate A1, four mutually communicated pipelines A2 are respectively arranged in the upper, lower, left and right directions of the rectangular thin plate A1, and the end parts of the four pipelines A2 are formed into interfaces with pipe diameters larger than those of other parts.

The above-mentioned casting device includes the mould body 10 and core 20, specifically, the mould body 10 includes movable mould and quiet mould, be provided with the shaping cavity between mould body 10 and the core 20, the shaping cavity includes: two casting cavities 31 and a runner 32 for injecting casting liquid into the casting cavities 31; the casting cavity 31 is symmetrically arranged at two sides of the die body 10, the casting cavity 31 is in a cross shape, a first gate 31a is arranged at the bottom of the casting cavity 31, a second gate 31b is arranged in the middle of the casting cavity 31, and a third gate 31c is arranged at the upper part of the casting cavity; the runner 32 includes a first runner 32a, a second runner 32b, and a third runner 32c that are in communication with each other, the first runner 32a being in communication with a first gate 31a of two casting cavities 31, the second runner 32b being in communication with a second gate 31b of the two casting cavities 31, and the third runner 32c being in communication with a third gate 31c of the two casting cavities 31.

In the casting device, through setting up three pouring channels 32 that match with pouring gates that foundry goods die cavity 31 is located bottom, middle part and upper portion, increase the cross-sectional area that pouring channel 32 and die cavity are connected, make foundry goods die cavity 31 fill the type more easily to reduce and fill the type time, improve and fill the type ability, reduce because copper liquid temperature and fill the casting defect that the pressure fluctuation leads to the pouring to be insufficient. Simultaneously, two castings after the shaping support through the connecting portion after the shaping of three runner 32, make the connection structure of each part of foundry goods comparatively even, improve the foundry goods and be in the high temperature state because the deformation problem that the demolding and transportation lead to.

Specifically, in an alternative embodiment, the runner 32 is disposed on the parting surface of the mold body 10, the runner 32 includes a main runner 32d that communicates with a liquid outlet of the casting liquid supply device, and is located between the two casting cavities 31, and the first runner 32a, the second runner 32b, and the third runner 32c are symmetrically disposed on two sides of the main runner 32d, respectively; the pouring gate 32 structure can keep the liquid injection speed of the casting cavity 31 at two sides consistent, and the consistency is good.

Because cross tap base foundry goods A is the cross foundry goods that first direction size is greater than the second direction size, consequently, above-mentioned foundry goods die cavity 31 then takes shape to the cross type die cavity that matches with above-mentioned foundry goods, in an optional implementation, the size along the upper and lower direction of foundry goods die cavity 31 is greater than along the left and right direction's size, the pouring liquid is followed runner 32 and the downside to the upside pouring of foundry goods die cavity 31, because set up the runner respectively in foundry goods die cavity 31 from bottom to top's three position department, it can make foundry goods die cavity 31 fill the type fast and accomplish, has improved the pouring speed.

Specifically, the casting cavity 31 includes a seat cavity 311 located in the middle region and a tube cavity 312 extending outward from the seat cavity 311; the base cavity 311 is used for forming a rectangular thin plate A1 in the middle area of the casting, the pipe cavity 312 is used for forming four pipelines A2 around the casting, and the end parts of the pipe cavity 312 are respectively provided with an interface cavity 3121. More specifically, the body type cavities 312 include a first body type cavity 312a and a second body type cavity 312b extending in a horizontal direction, and a third body type cavity 312c and a fourth body type cavity 312d extending in a vertical direction, wherein the first body type cavity 312a and the second body type cavity 312b have an extension length identical to that of the third body type cavity 312c and the fourth body type cavity 312 d. The first body cavity 312a extends to the left side of the cross-shaped casting, the second body cavity 312b extends to the right side of the cross-shaped casting, the third body cavity 312c extends to the lower side of the cross-shaped casting, and the fourth body cavity 312d extends to the upper side of the cross-shaped casting.

Specifically, the first gate 31a is located at the end face of the interface cavity 3121 in the third body cavity 312c of the two casting cavities 31, the second gate is located at the end face of the interface cavity 3121 of the first body cavity 312a and the second body cavity 312b located in the middle region of the two casting cavities 31, and the third gate 31c is located at the peripheral face of the interface cavity 3121 of the fourth body cavity 312d of the two casting cavities 31. By the arrangement mode, casting liquid (such as copper liquid) can be smoothly conveyed into different areas of the casting cavity 31, and the separation of the formed casting and the casting body in the pouring channel 32 area is facilitated.

The casting device further comprises a plurality of exhaust risers for exhausting gas in the casting cavity 31, specifically, in one embodiment, the exhaust risers include a first exhaust riser 33a located at the top end of the fourth body cavity 312d, a second exhaust riser 33b located at the top end of the seat cavity 311, and a third exhaust riser 33c located at the top ends of the first body cavity 312a and the second body cavity 312 b. The gas formed at different areas of the casting cavity can be discharged by arranging the gas discharge riser at the pouring tail ends of the different areas of the casting cavity, so that casting defects are avoided.

Specifically, the area of the first runner 32a flowing through from the main runner 32d side to the first gate 31a side gradually decreases. The third runner 32c has a gradually decreasing flow area from the side of the main runner 32d to the side of the third gate 31c, and is configured to allow the runner 32 to provide positive pressure to the casting cavity so that the casting fluid smoothly enters the casting cavity.

As shown in fig. 2, the casting prototype B manufactured by the casting device according to the present utility model includes a casting body B1 and a supporting body B2 located between the casting bodies B1, wherein the casting body B1 is a finally cast casting a, which is formed by the casting solution in the casting cavity 31, and the supporting body B2 is formed by the casting solution in the pouring channel 32. The pouring channel 32 is respectively arranged at the middle part and the upper part of the bottom of the casting cavity 31, so that the supporting structure of the casting A is symmetrical, and the casting body B1 cooled at high temperature after demolding is prevented from deforming.

Specifically, in one embodiment, the casting further includes a degassing casting B3 formed by a degassing riser 33. And after the casting is cooled to normal temperature, sequentially cutting the support body B2 and the exhaust casting body B3 by a cutting device to finally obtain two cross-shaped faucet base castings A.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While obvious variations or modifications are contemplated as falling within the scope of the present utility model.

Claims

1. A casting device comprising a mould body (10) and a core (20), a forming chamber being provided between the mould body (10) and the core (20); characterized in that the forming chamber comprises:

the two casting mold cavities (31) are symmetrically arranged on the mold body (10), the casting mold cavities (31) are in a cross shape, a first pouring gate (31 a) is arranged at the bottom of each casting mold cavity (31), a second pouring gate (31 b) is arranged at the middle part of each casting mold cavity, and a third pouring gate (31 c) is arranged at the upper part of each casting mold cavity;

pouring gate (32) for pouring casting cavity (31), wherein pouring gate (32) comprises a first pouring gate (32 a), a second pouring gate (32 b) and a third pouring gate (32 c) which are communicated with each other, the first pouring gate (32 a) is communicated with first pouring gates (31 a) of two casting cavities (31), the second pouring gate (32 b) is communicated with second pouring gates (31 b) of the two casting cavities (31), and the third pouring gate (32 c) is communicated with third pouring gates (31 c) of the two casting cavities (31).

2. Casting device according to claim 1, wherein the runner (32) is arranged on the parting surface of the mould body (10), the runner (32) comprises a main runner (32 d) arranged between two casting cavities (31), and the first runner (32 a), the second runner (32 b) and the third runner (32 c) are symmetrically arranged on both sides of the main runner (32 d), respectively.

3. Casting device according to claim 1, characterized in that the dimension of the casting cavity (31) in the up-down direction is larger than the dimension in the left-right direction, and that the casting liquid is poured along the casting cavity (31) from bottom to top.

4. Casting device according to claim 1, wherein the casting cavity (31) comprises: a seat-shaped cavity (311) positioned in the middle area and a tube-shaped cavity (312) extending outwards from the seat-shaped cavity (311), wherein the outer end parts of the tube-shaped cavity (312) are respectively provided with an interface cavity (3121).

5. The casting device according to claim 4, wherein the tube cavity (312) includes a first tube cavity (312 a) and a second tube cavity (312 b) extending in a horizontal direction, a third tube cavity (312 c) and a fourth tube cavity (312 d) extending in a vertical direction, the first tube cavity (312 a) extending to a left side of the block cavity (311), the second tube cavity (312 b) extending to a right side of the block cavity (311), the third tube cavity (312 c) extending to a lower side of the block cavity (311), and the fourth tube cavity (312 d) extending to an upper side of the block cavity (311).

6. The casting apparatus according to claim 5, wherein the first gate (31 a) is located at an interface cavity (3121) end face of the third pipe cavity (312 c), the second gate is located at an interface cavity (3121) end face of the first pipe cavity (312 a) and the second pipe cavity (312 b), and the third gate (31 c) is located at an interface cavity (3121) peripheral face of the fourth pipe cavity (312 d).

7. The casting apparatus according to claim 5, further comprising a first vent (33 a) at a top end of the fourth tube cavity (312 d), a second vent (33 b) at a top end of the seat cavity (311), and a third vent (33 c) at top ends of the first tube cavity (312 a) and the second tube cavity (312 b).

8. The casting apparatus according to claim 2, wherein the first runner (32 a) gradually decreases in flow area from a main runner (32 d) side to the first gate (31 a) side.

9. Casting device according to claim 2, wherein the third runner (32 c) has a gradually decreasing flow area from the side of the main runner (32 d) to the side of the third gate (31 c).

10. A prototype of a casting as claimed in any one of claims 1 to 9, comprising casting bodies (B1) and a support body (B2) between the casting bodies (B1), the casting bodies (B1) being formed from casting liquid in the casting cavity (31), the support body (B2) being formed from casting liquid in the runner (32).