Linear cooling structure of flat small insert of die-casting die

Abstract

The utility model discloses a die-casting die flat small insert linear cooling structure which comprises a flat main body, a forming insert part is arranged at the upper end of the flat main body, a flat groove penetrating through the top of the forming insert part and the bottom of the flat main body is formed in the middle of the flat main body, and a water separation column is inserted in the middle of the flat groove in the length direction. A gap is reserved between the upper end of the water separation column and the top of the flat groove, water cooling pipe connecting holes are formed in the positions, located on the two sides of the flat groove, of the bottom of the flat body, the water cooling pipe connecting holes are connected with external water cooling pipes and communicated with the flat groove, and the top and the bottom of the flat groove are blocked through welding parts. A cooling water channel can be formed in the molding insert part by forming the flat groove in the flat main body, meanwhile, high-pressure point cooling water can be introduced into the flat groove by forming the water cooling pipe connecting hole in the bottom of the flat main body, the cooling effect is good, the small flat insert does not need to be manufactured through 3D printing, the cooling requirement of the small flat insert is met, and the production efficiency is improved. And the cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of mold insert cooling structures, in particular to a linear cooling structure of a small flat insert of a die-casting mold. Background Art

[0002] As die-casting parts become more and more complex and quality requirements become higher and higher, high-pressure cooling has become a common method for die-casting molds. However, there are some positions where even high-pressure spot cooling cannot be arranged. For example, the thickness of the forming end of the flat small insert of the mold is generally only 4.5mm, while the diameter of the bottom hole of the high-pressure spot cooling is 3mm. If a 3mm spot cooling water hole is set inside the forming end of the flat small insert, the wall thickness of the side walls on both sides of the forming end will be only 0.75mm, which will greatly affect the strength of the flat small insert. Therefore, 3D printing technology can only be used to manufacture the flat small insert, which increases production costs. Utility Model Content

[0003] The utility model provides a linear cooling structure for a die-casting die flat small insert, which has a simple structure and can solve the problem that the existing flat small insert has a high-pressure point cooling water circuit arranged inside the molding end, causing the insert strength to fail to meet the requirements.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a linear cooling structure of a flat small insert of a die-casting mold, comprising a flat main body, a molding insert part is arranged at the upper end of the flat main body, a flat groove penetrating the top of the molding insert part and the bottom of the flat main body is arranged in the middle part of the flat main body, a water-blocking column is inserted in the middle part of the flat groove along the length direction, a gap is left between the upper end of the water-blocking column and the top of the flat groove, water-cooling pipe connecting holes are arranged on both sides of the flat groove at the bottom of the flat main body, the water-cooling pipe connecting holes are connected to external water-cooling pipes, the water-cooling pipe connecting holes are connected to the flat groove, the top and bottom of the flat groove are blocked by a welding part, a cooling water path can be formed inside the molding insert part by arranging the flat groove inside the flat main body, and at the same time, high-pressure point cooling water can be passed into the flat groove by arranging the water-cooling pipe connecting holes at the bottom of the flat main body, the cooling effect is good, there is no need to use 3D printing to manufacture the flat small insert, the cooling needs of the flat small insert are met, and the cost is reduced.

[0005] Preferably, a drill hole is provided in the middle of the flat groove along the length direction, and the drill hole forms an arc groove on the opposite side walls of the flat groove. The water-blocking column is inserted between the arc grooves on both sides and fixed, so that the water-blocking column is easy to install.

[0006] Preferably, a punch hole is provided on the side wall of the flat body between the water cooling pipe connecting hole and the flat groove, and the punch hole connects the water cooling pipe connecting hole with the flat groove. A sealing portion is provided at one end of the punch hole close to the outer wall of the flat body, and the water cooling pipe connecting hole is connected with the flat groove through the punch hole, which is convenient for manufacturing.

[0007] Preferably, the width of the flat groove in the thickness direction of the flat body is one third of the thickness of the formed insert part, so as to ensure the overall strength of the formed insert part.

[0008] Preferably, the thickness of the welded portion is not less than 2 mm, which will not affect the molding effect of the molded insert portion.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] By machining a flat groove inside the flat body, a cooling water channel can be formed inside the molded insert part. At the same time, by providing a water cooling pipe connecting hole at the bottom of the flat body, high-pressure point cooling water can be passed into the flat groove. The cooling effect is good, and there is no need to use 3D printing to manufacture small flat inserts, which meets the cooling needs of small flat inserts and reduces costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0012] Figure 2 It is a top view of the structure of the utility model;

[0013] Figure 3 for Figure 2 AA section structure diagram;

[0014] Figure 4 for Figure 3 BB section structure diagram.

[0015] Reference numerals:

[0016] 1. Flat body, 2. Molding insert part, 3. Flat groove, 4. Puncture hole, 5. External water cooling pipe, 6. Sealing part, 7. Welding part, 8. Water barrier, 9. Water cooling pipe connecting hole, 10. Drilling hole. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0018] The utility model aims to solve the problem that the existing flat small insert has a high pressure point cooling water circuit inside the forming end, which causes the insert strength to fail to meet the requirements. Figure 1-4As shown, the following technical solution is provided: a linear cooling structure of a flat small insert of a die-casting mold, comprising a flat main body 1, a molding insert portion 2 is arranged at the upper end of the flat main body 1, a flat groove 3 penetrating the top of the molding insert portion 2 and the bottom of the flat main body 1 is arranged in the middle of the flat main body 1, a water-blocking column 8 is inserted in the middle of the flat groove 3 along the length direction, a gap is left between the upper end of the water-blocking column 8 and the top of the flat groove 3, the bottom of the flat main body 1 is located on both sides of the flat groove 3 and is provided with water-cooling pipe connecting holes 9, the The water-cooling pipe connecting holes 9 are all connected to the external water-cooling pipe 5, and the water-cooling pipe connecting holes 9 are connected to the flat groove 3. The top and bottom of the flat groove 3 are blocked by the welding part 7. By arranging the flat groove 3 inside the flat body 1, a cooling water path can be formed inside the forming insert part 2. At the same time, by arranging the water-cooling pipe connecting holes 9 at the bottom of the flat body 1, high-pressure point cooling water can be passed into the flat groove 3, and the cooling effect is good. There is no need to use 3D printing to manufacture small flat inserts, which meets the cooling needs of small flat inserts and reduces costs.

[0019] Specifically, the flat groove 3 is processed by cutting grooves to form a through flat groove 3. The shape of the flat groove 3 matches the shape of the flat body 1. If the flat body 1 is arc-shaped, the flat groove 3 is also processed into an arc shape. After the flat groove 3 is processed, a drill hole 10 is set in the middle of the flat groove 3 along the length direction. The drill hole 10 forms an arc groove on the opposite side walls of the flat groove 3. The water-blocking column 8 is inserted between the arc grooves on both sides and fixed, so that the water-blocking column 8 is easy to install. The water-blocking column 8 and the side wall of the drill hole 10 are interference fit, and the installation is firm. The thickness of the welding part 7 is not less than 2mm, which will not affect the molding effect of the molding insert part 2.

[0020] In order to ensure smooth connection between the water-cooling pipe connecting hole 9 and the flat groove 3, a punch hole 4 is provided on the side wall of the flat main body 1 between the water-cooling pipe connecting hole 9 and the flat groove 3. The punch hole 4 connects the water-cooling pipe connecting hole 9 with the flat groove 3. A sealing portion 6 is provided at one end of the punch hole 4 close to the outer wall of the flat main body 1. The water-cooling pipe connecting hole 9 is connected with the flat groove 3 through the punch hole 4, which is convenient for manufacturing.

[0021] In order to ensure strength, the width of the flat groove 3 in the thickness direction of the flat body 1 is one third of the thickness of the molding insert part 2 to ensure the overall strength of the molding insert part 2.

[0022] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0023] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

Claims

1. A linear cooling structure for a flat small insert of a die casting mold, characterized in that: include: A flat body (1), wherein a molded insert portion (2) is disposed at the upper end of the flat body (1), a flat groove (3) penetrating the top of the molded insert portion (2) and the bottom of the flat body (1) is disposed in the middle of the flat groove (3), a water-blocking column (8) is inserted in the middle of the flat groove (3) along the length direction, a gap is left between the upper end of the water-blocking column (8) and the top of the flat groove (3), the bottom of the flat body (1) is provided with water-cooling pipe connecting holes (9) on both sides of the flat groove (3), the water-cooling pipe connecting holes (9) are connected to external water-cooling pipes (5), the water-cooling pipe connecting holes (9) are connected to the flat groove (3), and the top and bottom of the flat groove (3) are sealed by a welding portion (7).

2. The linear cooling structure of the flat small insert of the die casting mold according to claim 1 is characterized in that: A drill hole (10) is provided in the middle of the flat groove (3) along the length direction, and the drill hole (10) forms an arc groove on the opposite side walls of the flat groove (3), and the water barrier column (8) is inserted between the arc grooves on both sides for fixation.

3. The linear cooling structure of the flat small insert of the die casting mold according to claim 1 is characterized in that: A punch hole (4) is provided on the side wall of the flat body (1) at a position between the water cooling pipe connection hole (9) and the flat groove (3); the punch hole (4) connects the water cooling pipe connection hole (9) and the flat groove (3); and a sealing portion (6) is provided at one end of the punch hole (4) close to the outer wall of the flat body (1).

4. The linear cooling structure of the flat small insert of the die casting mold according to claim 1 is characterized in that: The width of the flat groove (3) in the thickness direction of the flat body (1) is one third of the thickness of the molding insert part (2).

5. The linear cooling structure of the flat small insert of the die casting mold according to claim 1 is characterized in that: The thickness of the welding portion (7) is not less than 2 mm.

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