Multi-layer cooling channel structure of casting mold

Abstract

The utility model relates to a multi-layer cooling channel structure of a casting mould, which belongs to the technical field of casting moulds and comprises an upper mould and a lower mould inserted on the lower side of the upper mould, a first flow guide pipe is communicated with the inside of the upper mould, one side of the first flow guide pipe is communicated with a sealing sleeve, a second flow guide pipe is communicated with the inside of the lower mould, and the second flow guide pipe is communicated with the sealing sleeve. The side surfaces of the first flow guide pipe and the second flow guide pipe are communicated with water flow velocity observation pipes; and a circulating device is arranged on the lower side of the lower mold. The circulating device comprises a lower side heat exchange pipe fixedly connected to the lower die, a left side fixing box communicating with the heat exchange pipe, and a left side exhaust fan embedded in the fixing box. According to the multi-layer cooling channel structure of the casting mold, heat energy in discharged hot water is absorbed through the circulating device, then the hot water is separated from the water body, the cooled water body is discharged into the upper mold and the lower mold again, and cooling is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of casting molds, in particular to a multi-layer cooling channel structure of a casting mold. Background Art

[0002] A casting mold is a material that is made of other easily formed materials in advance in order to obtain the structural shape of a part. The mold is then placed in a sand mold, forming a cavity with the same size as the part structure. A flowing liquid is then poured into the cavity, and after the liquid cools and solidifies, a part with the same shape and structure as the mold can be formed.

[0003] After searching, the prior art announcement number CN208945104U discloses a casting mold with a cooling structure, including an upper mold and a lower mold, the upper mold is buckled and connected to the lower mold, and the four corners of the top of the upper mold are welded with support rods, the lower mold is slidably connected to the support rods, and the two ends of the outer walls of the upper mold and the lower mold are symmetrically fixed with a water inlet pipe and a water outlet pipe, and the water inlet pipe is fixedly connected to the water pump through a screw ring. The utility model uses the interior of the upper mold and the lower mold to open a channel, which effectively facilitates the cold water to flow in the interior of the channel, quickly cools and forms the unformed casting, and increases the practicality of the casting mold. By fixing the connecting pipe on the outer wall of the water inlet pipe and cooperating with the sliding plug to move inside the inner mouth of the connecting pipe, the water entering the channel is effectively controlled to control the flow rate, and meet the different hardness requirements of the formed casting, and at the same time, it can also avoid cracks when the casting is cooled.

[0004] However, the water after cooling in the mold of this utility model cannot be recycled, resulting in a large amount of water required for each cooling, which is necessary to cool the structure inside the mold. Therefore, a multi-layer cooling channel structure of the casting mold is proposed to solve the above problems. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides a multi-layer cooling channel structure for a casting mold, which has the advantages of realizing recycling and solves the problem that the water after cooling in the mold cannot be recycled, resulting in a large amount of water required for each cooling, which causes the cooling treatment of the structure inside the mold.

[0006] To achieve the above objectives, the present invention provides the following technical solutions: a multi-layer cooling channel structure for a casting mold, comprising an upper mold and a lower mold inserted under the upper mold, wherein the upper mold is internally connected to a first guide pipe, one side of which is connected to a sealing sleeve, and the lower mold is internally connected to a second guide pipe, the side surfaces of the first guide pipe and the second guide pipe are both connected to a water flow rate observation tube, and a circulation device is provided on the lower side of the lower mold;

[0007] The circulation device includes a heat exchange tube fixedly connected to the lower side of the lower mold, a fixed box connected to the left side of the heat exchange tube, an exhaust fan embedded in the left side of the fixed box, a water pump fixedly installed on the upper side of the fixed box, an internal second cavity opened on the lower side of the fixed box, a suction pipe connected to the left side of the water pump, and a discharge pipe connected to the right side of the water pump.

[0008] Furthermore, the upper side of the upper mold is connected to two liquid injection ports, and the lower sides of the two liquid injection ports penetrate the upper mold and extend to the outside.

[0009] Furthermore, four positioning columns are fixedly connected to the lower side of the upper mold, and positioning holes matching the positioning columns are opened inside the upper side of the lower mold.

[0010] Furthermore, one end of the heat exchange tube is connected to one end of the second flow guide tube, and one end of the heat exchange tube away from the second flow guide tube passes through the upper side of the second cavity and extends into the interior.

[0011] Furthermore, a first cavity is provided inside the upper side of the fixing box, and a plurality of exhaust holes are provided at the upper end of the right side of the fixing box.

[0012] Furthermore, the right side of the exhaust fan passes through the fixed box and extends into the first cavity.

[0013] Furthermore, one end of the liquid suction pipe away from the water pump extends to the inside of the second cavity, and one end of the liquid discharge pipe away from the water pump is communicated with one side of the first guide pipe.

[0014] Compared with the prior art, the present invention provides a multi-layer cooling channel structure for a casting mold, which has the following beneficial effects:

[0015] 1. The multi-layer cooling channel structure of the casting mold absorbs the internal heat energy of the discharged hot water through a circulation device, then separates it from the water body and discharges the cooled water into the upper mold and the lower mold again to achieve cooling.

[0016] 2. The multi-layer cooling channel structure of the casting mold allows water to flow evenly in the upper and lower molds through the first guide pipe in the upper mold and the second guide pipe in the lower mold. The water flow rate observation tube can be used to more directly observe the flow progress of the water, which solves the problem that the water after cooling in the mold cannot be recycled, resulting in a large amount of water required for each cooling, which affects the temperature of the structure inside the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a cross-sectional view of the structure of the utility model;

[0018] Figure 2 This is a cross-sectional view of the upper mold structure of the present invention;

[0019] Figure 3 This is a perspective view of the upper mold structure of the present invention;

[0020] Figure 4 It is a structural stereogram of the lower mold of the utility model.

[0021] In the figure: 1 upper mold, 2 lower mold, 3 liquid injection port, 4 positioning column, 5 positioning hole, 6 water flow rate observation tube, 7 heat exchange tube, 8 fixing box, 9 first cavity, 10 second cavity, 11 exhaust fan, 12 water pump, 13 suction pipe, 14 discharge pipe, 15 first guide pipe, 16 sealing sleeve, 17 second guide pipe. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figures 1 to 4 In this embodiment, a multi-layer cooling channel structure of a casting mold includes an upper mold 1 and a lower mold 2 inserted below the upper mold 1. The upper mold 1 is connected to a first guide pipe 15, one side of which is connected to a sealing sleeve 16. The lower mold 2 is connected to a second guide pipe 17. The sides of the first guide pipe 15 and the second guide pipe 17 are both connected to a water flow rate observation tube 6. A circulation device is provided on the lower side of the lower mold 2. The circulation device includes a heat exchange pipe 7 fixedly connected to the lower side of the lower mold 2, a fixed box 8 on the left side connected to the heat exchange pipe 7, an exhaust fan 11 on the left side embedded in the fixed box 8, a water pump 12 fixedly installed on the upper side of the fixed box 8, a second internal cavity 10 opened on the lower side of the fixed box 8, a suction pipe 13 on the left side connected to the water pump 12, and a discharge pipe 14 on the right side connected to the water pump 12.

[0024] Among them, the upper side of the upper mold 1 is connected to two liquid injection ports 3, the lower sides of the two liquid injection ports 3 pass through the upper mold 1 and extend to the outside, four positioning columns 4 are fixedly connected to the lower side of the upper mold 1, and a positioning hole 5 matching the positioning columns 4 is opened inside the upper side of the lower mold 2. One end of the heat exchange tube 7 is connected to one end of the second guide tube 17, and the end of the heat exchange tube 7 away from the second guide tube 17 passes through the upper side of the second cavity 10 and extends to the inside. A first cavity 9 is opened inside the upper side of the fixed box 8, and a plurality of exhaust holes are opened at the upper end of the right side of the fixed box 8. The right side of the exhaust fan 11 passes through the fixed box 8 and extends to the inside of the first cavity 9. The end of the suction pipe 13 away from the water pump 12 extends to the inside of the second cavity 10, and the end of the discharge pipe 14 away from the water pump 12 is connected to one side of the first guide tube 15.

[0025] The working principle of the above embodiment is:

[0026] The upper mold 1 is covered on the upper side of the lower mold 2, the positioning column 4 is inserted into the positioning hole 5 for positioning, and the outer side of the sealing sleeve 16 is inserted into the second guide pipe 17, and the molten iron is injected from the liquid injection port 3 into the space between the upper mold 1 and the lower mold 2. The water pump 12 cooperates with the suction pipe 13 to absorb the liquid in the second cavity 10, and discharges it from the discharge pipe 14 to the first guide pipe 15, and then flows from the connected water flow rate observation pipe 6 to another first guide pipe 15. The water in the first guide pipe 15 is discharged into the lower mold 2 from the second guide pipe 17 connected to the sealing sleeve 16. The heat energy is quickly absorbed by the circulation of the water and is carried out and discharged to the heat exchange tube 7. The heat exchange tube 7 moves into the fixed box 8, and the exhaust fan 11 is turned on to generate wind energy to discharge and dissipate the heat energy in the heat exchange tube 7, quickly dissipate heat and cool it down, and finally discharge it into the second cavity 10. The water pump 12 will absorb the liquid again and discharge it into the upper mold 1 for recycling.

[0027] The installation method, connection method or setting method disclosed in this embodiment are all common mechanical connection methods, and can be implemented as long as they can achieve their beneficial effects. In addition, the electrical components appearing in this embodiment are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device such as a computer that plays a control role. Technicians in this field can control the electrical components through simple programming, and the existing disclosed power connection technology is also common knowledge in this field, so the specific structural composition and working principle will not be described in detail in this embodiment.

[0028] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-layer cooling channel structure for a casting mold, comprising an upper mold (1) and a lower mold (2) plugged into the lower side of the upper mold (1), characterized in that: The interior of the upper mold (1) is connected to a first flow guide tube (15), one side of the first flow guide tube (15) is connected to a sealing sleeve (16), the interior of the lower mold (2) is connected to a second flow guide tube (17), the side surfaces of the first flow guide tube (15) and the second flow guide tube (17) are both connected to a water flow velocity observation tube (6), and a circulation device is provided on the lower side of the lower mold (2); The circulation device comprises a lower heat exchange tube (7) fixedly connected to the lower mold (2), a left fixed box (8) connected to the heat exchange tube (7), a left exhaust fan (11) embedded in the fixed box (8), an upper water pump (12) fixedly installed on the fixed box (8), an internal second cavity (10) opened on the lower side of the fixed box (8), a left suction pipe (13) connected to the water pump (12), and a right discharge pipe (14) connected to the water pump (12).

2. The multi-layer cooling channel structure of a casting mold according to claim 1, characterized in that: The upper side of the upper mold (1) is connected to two liquid injection ports (3), and the lower sides of the two liquid injection ports (3) penetrate the upper mold (1) and extend to the outside.

3. The multi-layer cooling channel structure of a casting mold according to claim 1, characterized in that: Four positioning columns (4) are fixedly connected to the lower side of the upper mold (1), and positioning holes (5) matching the positioning columns (4) are opened inside the upper side of the lower mold (2).

4. The multi-layer cooling channel structure of a casting mold according to claim 1, characterized in that: One end of the heat exchange tube (7) is connected to one end of the second flow guide tube (17), and the end of the heat exchange tube (7) away from the second flow guide tube (17) passes through the upper side of the second cavity (10) and extends into the interior.

5. The multi-layer cooling channel structure of a casting mold according to claim 1, characterized in that: A first cavity (9) is provided inside the upper side of the fixed box (8), and a plurality of exhaust holes are provided at the upper end of the right side of the fixed box (8).

6. The multi-layer cooling channel structure of a casting mold according to claim 5, characterized in that: The right side of the exhaust fan (11) passes through the fixed box (8) and extends into the interior of the first cavity (9).

7. The multi-layer cooling channel structure of a casting mold according to claim 1, characterized in that: One end of the liquid suction pipe (13) away from the water pump (12) extends to the inside of the second cavity (10), and one end of the liquid discharge pipe (14) away from the water pump (12) is communicated with one side of the first flow guide pipe (15).

Images