CN221018628U

CN221018628U - Casting equipment

Info

Publication number: CN221018628U
Application number: CN202322652829.7U
Authority: CN
Inventors: 罗炳南; 伍罗莎
Original assignee: Foshan Nanhai Huitai Technology Machine Co ltd
Current assignee: Foshan Nanhai Huitai Technology Machine Co ltd
Priority date: 2023-09-27
Filing date: 2023-09-27
Publication date: 2024-05-28
Anticipated expiration: 2033-09-27

Abstract

The utility model provides casting equipment, which comprises a fixed die and is characterized by also comprising a cooling device; the cooling device comprises a cold water tank, a water inlet assembly and a reflux assembly, and the cold water tank, the water inlet assembly, the fixed die and the reflux assembly are communicated in sequence; the water inlet assembly comprises a first pipeline, a second pipeline and a third pipeline which are all communicated with the cold water tank, and the first pipeline, the second pipeline and the third pipeline are all communicated with the fixed die. The utility model solves the problem that the temperature of cooling water gradually rises in the flowing process, so that the cooling is not uniform in the casting process.

Description

Casting equipment

Technical Field

The utility model relates to the technical field of casting equipment, in particular to casting equipment.

Background

The casting is a technological process of smelting metal into liquid meeting certain requirement, pouring the liquid into casting mould, cooling, solidifying and cleaning to obtain the casting with preset shape, size and performance. The cast blank is nearly shaped, so that the aim of mechanical machining-free or small machining is fulfilled, the cost is reduced, and the manufacturing time is reduced to a certain extent. Casting is one of the basic processes of the modern device manufacturing industry, and the materials to be cast are mostly metals (e.g., copper, iron, aluminum, tin, lead, etc.) that are in solid form but are heated to liquid form.

The prior Chinese patent with publication number of CN205732929U discloses a cooling water constant temperature system applied to aluminum alloy casting, which comprises a cold water tank and a casting disc crystallizer, wherein a first water pipeline and a second water pipeline are respectively connected between the cold water tank and the casting disc crystallizer, the cold water tank, the first water pipeline, the second water pipeline and the casting disc crystallizer form a water circulation channel, and a heat exchange device is arranged on the first water pipeline.

The temperature of the cooling water of the system is gradually increased in the flowing process, and the temperature difference is generated between the temperature of the cooling water at one end of the casting disc crystallizer and the temperature of the cooling water at the other end of the casting disc crystallizer, so that the difference is generated in cooling effect, the condition that one end is cooled and the other end is still required to be cooled is possibly generated, the phenomenon of uneven cooling is generated, and the cooling time is prolonged.

Disclosure of utility model

Based on the above, in order to solve the problem of uneven cooling in the casting process, the utility model provides casting equipment, which has the following specific technical scheme:

a casting apparatus comprising a stationary mold, characterized by further comprising:

The cooling device comprises a cold water tank, a water inlet assembly and a reflux assembly, wherein the cold water tank, the water inlet assembly, the fixed die and the reflux assembly are sequentially communicated, and the reflux assembly is used for cooling water;

The water inlet assembly comprises a first pipeline, a second pipeline and a third pipeline which are all communicated with the cold water tank, and the first pipeline, the second pipeline and the third pipeline are all communicated with the fixed die.

According to the casting equipment, the first pipeline, the second pipeline and the third pipeline which are communicated with the fixed die are arranged, cooling water enters the fixed die through the first pipeline, the second pipeline and the third pipeline and cools the casting procedure in the fixed die, and the first pipeline, the second pipeline and the third pipeline disperse and convey the cooling water, so that the temperature difference of the cooling water in the flowing process is reduced, and the condition of uneven cooling is caused; the cooling water after temperature rise is recovered and cooled by the reflux component and then enters the cold water tank again, so that a circulating system is formed, and continuous cooling of casting equipment is facilitated.

Further, the first pipeline, the second pipeline and the third pipeline are sequentially arranged at intervals along the length direction of the fixed die.

Further, the cross section of the first pipeline and the cross section of the third pipeline are rectangular, and the cross section of the second pipeline is circular.

Further, the symmetry axis of the second pipeline and the symmetry axis of the fixed die are in the same straight line.

Further, the backflow assembly comprises a fourth pipeline, a fifth pipeline, a water storage tank and a heat exchanger; the fourth pipeline and the fifth pipeline are communicated with the fixed die; the fourth pipeline and the fifth pipeline are communicated with the heat exchanger; the heat exchanger, the water storage tank and the cold water tank are sequentially communicated.

Further, the fourth pipe and the fifth pipe are located at both sides of the fixed mold in the width direction, respectively.

Further, in the vertical direction, the height of the fourth duct is the same as the height of the fifth duct.

Further, in the vertical direction, the height of the fourth duct is lower than the height of the third duct.

Further, the fixed die is provided with a die cavity, and a first cooling channel, a second cooling channel and a third cooling channel which are arranged around the die cavity; the first cooling channel, the second cooling channel and the third cooling channel are sequentially communicated.

Further, the first cooling channel is in communication with the first conduit; the second cooling channel is communicated with the second pipeline; the third cooling channel is communicated with the third pipeline; the fourth conduit and the fifth conduit are both in communication with the third cooling gallery.

Drawings

The utility model will be further understood from the following description taken in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.

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

FIG. 2 is a second schematic view of a casting apparatus according to an embodiment of the present utility model;

Fig. 3 is a schematic structural view of a stationary mold of a casting apparatus according to an embodiment of the present utility model.

Reference numerals illustrate:

1. A fixed mold; 11. a first cooling channel; 12. a second cooling channel; 13. a third cooling channel; 2. a cold water tank; 3. a water inlet assembly; 31. a first pipe; 32. a second pipe; 33. a third conduit; 4. a reflow assembly; 41. a fourth conduit; 42. a fifth pipe; 43. a water storage tank; 44. a heat exchanger.

Detailed Description

The present utility model will be described in further detail with reference to the following examples thereof in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The terms "first" and "second" in this specification do not denote a particular quantity or order, but rather are used for distinguishing between similar or identical items.

As shown in fig. 1 to 3, a casting apparatus according to an embodiment of the present utility model includes a stationary mold 1, and is characterized by further including a cooling device; the cooling device comprises a cold water tank 2, a water inlet assembly 3 and a reflux assembly 4, wherein the cold water tank 2, the water inlet assembly 3, the fixed die 1 and the reflux assembly 4 are communicated in sequence; the water inlet assembly 3 comprises a first pipeline 31, a second pipeline 32 and a third pipeline 33 which are all communicated with the cold water tank 2, and the first pipeline 31, the second pipeline 32 and the third pipeline 33 are all communicated with the fixed die 1.

In the casting equipment, through the first pipeline 31, the second pipeline 32 and the third pipeline 33 which are communicated with the fixed die 1, cooling water enters the fixed die 1 through the first pipeline 31, the second pipeline 32 and the third pipeline 33 and cools the casting process in the fixed die 1, and the first pipeline 31, the second pipeline 32 and the third pipeline 33 disperse and convey the cooling water, so that the temperature difference generated in the flowing process of the cooling water is reduced, and the condition of uneven cooling is caused; the cooling water after temperature rise is recovered and cooled by the reflux component 4 and then enters the cold water tank 2 again, so that a circulating system is formed, and continuous cooling of casting equipment is facilitated.

In one embodiment, the first, second and third pipes 31, 32 and 33 are sequentially disposed at intervals along the length direction of the stationary mold 1.

Wherein, in the working state, the length direction of the fixed mold 1 is the vertical direction, namely, in the vertical direction, the first pipeline 31, the second pipeline 32 and the third pipeline 33 are sequentially arranged from high to low and communicated. Therefore, cooling water is conveniently fed into and cooled at different heights of the fixed mold 1, and the temperature difference generated after the cooling water flows between different heights is reduced, so that different cooling effects in the fixed mold 1 at different positions are caused.

Specifically, the cross section of the first pipe 31 and the cross section of the third pipe 33 are rectangular, and the cross section of the second pipe 32 is circular.

Specifically, the symmetry axis of the second pipe 32 is collinear with the symmetry axis of the stationary mold 1.

Wherein the cross-sectional area of the first duct 31 and the cross-sectional area of the third duct 33 are larger than the cross-sectional area of the second duct 32, so that the flow rate of the cooling water in the second duct 32 is increased to rapidly cool the location having a high center temperature.

In one embodiment, the return assembly 4 includes a fourth conduit 41, a fifth conduit 42, a water storage tank 43, and a heat exchanger 44; the fourth pipe 41 and the fifth pipe 42 are both communicated with the fixed mold 1; the fourth conduit 41 and the fifth conduit 42 are both in communication with a heat exchanger 44; the heat exchanger 44, the water storage tank 43 and the cold water tank 2 are sequentially connected.

The heat exchanger 44 performs heat exchange treatment on the cooling water heated in the fixed mold 1 to form low-temperature cooling water, and then the low-temperature cooling water enters the water storage tank 43, and the cooling water is conveyed to the fixed mold 1 again through the cooling water tank 2 for cooling in the casting process. Therefore, the casting equipment is convenient to be cooled continuously, and the production efficiency is improved. The heat exchanger 44 is conventional and will not be described in detail herein.

Specifically, the fourth duct 41 and the fifth duct 42 are located on both sides of the width direction of the stationary mold 1, respectively. Wherein, during operating condition, the width direction of cover half 1 is the horizontal direction, and fourth pipeline 41 and fifth pipeline 42 are convenient for be located both sides respectively, are convenient for retrieve the cooling water after the temperature increase fast, improve production efficiency.

Specifically, in the vertical direction, the height of the fourth duct 41 is the same as the height of the fifth duct 42.

Specifically, in the vertical direction, the height of the fourth duct 41 is lower than the height of the third duct 33. That is, the fourth pipe 41 and the fifth pipe 42 are located below the third pipe 33 in the vertical direction, so that the cooling water can flow to the fourth pipe 41 and the fifth pipe 42 by gravity, the power device is reduced, and the production cost is reduced.

In one embodiment, the stationary mold 1 is provided with a cavity and a first cooling passage 11, a second cooling passage 12, and a third cooling passage 13 provided around the cavity; the first cooling passage 11, the second cooling passage 12, and the third cooling passage 13 are communicated in this order. Wherein, first cooling channel 11, second cooling channel 12 and third cooling channel 13 set up around the outside profile of die cavity, so, be convenient for carry out even cooling to the casting, reduce the circumstances such as crack that appear because of the uneven cooling.

Specifically, the first cooling passage 11 communicates with the first duct 31; the second cooling gallery 12 communicates with a second pipe 32; the third cooling passage 13 communicates with a third pipe 33; the fourth duct 41 and the fifth duct 42 are each in communication with the third cooling passage 13.

The cooling water flows from the first pipe 31 to the first cooling passage 11, from the second pipe 32 to the second cooling passage 12, and from the third pipe 33 to the third cooling passage 13, and then flows to the fourth pipe 41 and the fifth pipe 42, and is heat-treated by the heat exchanger 44.

Through adopting above-mentioned structure, when cooling casting equipment, the water in the cold water tank 2 alright get into cover half 1 through first pipeline 31, second pipeline 32 and third pipeline 33 to realized abundant, quick and even cooling operation to casting equipment, be favorable to letting the material cool off the shaping fast evenly in the die cavity.

Preferably, with the above casting apparatus, a filter screen for separating impurities is further provided at a position where the cold water tank 2 communicates with the water storage tank 43, and the filter screen is a double-layer filter screen. In this way, after the impurities are filtered by the filter screen, the casting equipment of the first pipeline 31, the second pipeline 32 and the third pipeline 33 is cooled, so that the first cooling channel 11, the second cooling channel 12 and the third cooling channel 13 are prevented from being blocked by the impurities in the water.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A casting apparatus comprising a stationary mold, characterized by further comprising:

2. The casting apparatus of claim 1, wherein the first conduit, the second conduit, and the third conduit are sequentially spaced apart along a length of the stationary mold.

3. Casting apparatus according to claim 2, wherein the cross section of the first conduit and the cross section of the third conduit are rectangular and the cross section of the second conduit is circular.

4. The casting apparatus according to claim 3, wherein the symmetry axis of the second pipe is collinear with the symmetry axis of the stationary mold.

5. The casting apparatus of claim 1, wherein the return assembly comprises a fourth conduit, a fifth conduit, a water storage tank, and a heat exchanger; the fourth pipeline and the fifth pipeline are communicated with the fixed die; the fourth pipeline and the fifth pipeline are communicated with the heat exchanger; the heat exchanger, the water storage tank and the cold water tank are sequentially communicated.

6. The casting apparatus according to claim 5, wherein the fourth pipe and the fifth pipe are located on both sides in a width direction of the stationary mold, respectively.

7. The casting apparatus according to claim 6, wherein the height of the fourth pipe is the same as the height of the fifth pipe in the vertical direction.

8. Casting apparatus according to claim 7, characterized in that the height of the fourth pipe is lower than the height of the third pipe in the vertical direction.

9. The casting apparatus according to claim 5, wherein the stationary mold is provided with a cavity and first, second and third cooling passages provided around the cavity; the first cooling channel, the second cooling channel and the third cooling channel are sequentially communicated.

10. The casting apparatus of claim 9, wherein the first cooling channel is in communication with the first conduit; the second cooling channel is communicated with the second pipeline; the third cooling channel is communicated with the third pipeline; the fourth conduit and the fifth conduit are both in communication with the third cooling gallery.