Water leakage tool for preventing mold from cracking

By inlaiding copper sleeves and cooling holes at the bottom of the mold, combining water injection components and sealing rings, the water leakage problem caused by temperature cracking of the mold steel is solved, and continuous and stable production and cost savings of the mold are achieved.

CN222309523UActive Publication Date: 2025-01-07HUNAN BOYI PRECISION MOULD CO LTD
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Patent Information

Application Number
CN202421123037.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-22
Publication Date
2025-01-07
Estimated Expiration
2034-05-22

AI Technical Summary

Technical Problem

The steel of the hot-working mold is prone to cracking in a position with large temperature differences, resulting in water leakage in the mold, causing high cost of reworking the mold and interruption in production.

Method used

Design a water leakage tool to prevent mold cracking, including a copper sleeve embedded in the bottom of the mold and corresponding cooling holes. The wall thickness of the copper sleeve is 0.5mm±0.1mm, which has good heat dissipation and ductility to prevent the temperature difference due to cooling. and efficient cooling and leakage protection through water injection assembly and sealing ring.

Benefits of technology

Effectively prevent mold steel from cracking, avoid water leakage, save the cost of remade molds, ensure production continuity and stability, improve production efficiency and reduce waste rate.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222309523U_ABST
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Abstract

The utility model discloses a water leakage tool for preventing mold cracking. The water leakage tool comprises a copper sleeve embedded in the bottom of a mold and a cooling hole formed in the bottom of the mold and corresponding to the copper sleeve. One end of the copper sleeve is provided with an opening, and the wall thickness of the copper sleeve is 0.5 mm + / -0.1 mm. The copper sleeve is good in heat dissipation and extension, cracking caused by cooling temperature difference is avoided, it can be guaranteed that heat is transmitted to the copper sleeve through steel in the die production process, and die heat is effectively taken away. And the mold steel does not leak water after being cracked, so that the material, processing and verification cost for reopening the mold is saved. Production continuity is guaranteed, quality is stable, production efficiency is improved, and the rejection rate is reduced.
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Description

Technical Field

[0001] The present application relates to the field of mold manufacturing, and in particular to a water-leaking tool for preventing mold cracking. Background Art

[0002] Hot working die steel is widely used in die casting die, plastic die, hot forging die, and hot forming die in the production of parts in the automotive industry, household appliances, etc. When using hot working die steel, cooling water is designed and manufactured for locations with particularly large temperature differences. However, steel is prone to cracking, which leads to mold leakage and failure. Remaking the mold brings huge processing costs, time costs, and verification costs. Utility Model Content

[0003] The present application proposes a water leakage tool for preventing mold cracking, aiming to solve the problem that hot working mold steel is prone to cracking, resulting in mold leakage.

[0004] The present application proposes a water leakage tool for preventing mold cracking, comprising a copper sleeve inlaid at the bottom of the mold and a cooling hole arranged at the bottom of the mold corresponding to the copper sleeve; one end of the copper sleeve is open, and the wall thickness of the copper sleeve is 0.5mm±0.1mm.

[0005] In some of the embodiments, a water injection assembly adapted to the copper sleeve is further included, wherein the water injection assembly includes a sleeve connected to the opening of the copper sleeve and a water injection pipe inserted into the copper sleeve.

[0006] In some of the embodiments, one end of the sleeve is tapered.

[0007] In some embodiments, the other end of the sleeve is connected to a water inlet and a water outlet.

[0008] In some of the embodiments, the outer wall of the copper sleeve is fitted with the mold.

[0009] In some of the embodiments, a sealing ring is provided at the connection between one end of the opening of the copper sleeve and the mold.

[0010] In some of the embodiments, the water injection pipe is inserted into the bottom of the copper sleeve.

[0011] In some of the embodiments, a plurality of cooling holes are provided at the bottom of the mold.

[0012] The technical effects of the water leakage tool for preventing mold cracking in this application are as follows:

[0013] The utility model discloses a water leakage tool for preventing mold cracking, comprising a copper sleeve inlaid at the bottom of the mold and a cooling hole corresponding to the copper sleeve at the bottom of the mold; the copper sleeve has good heat dissipation and ductility, will not crack due to cooling temperature difference, and can ensure that the heat of the mold is transferred to the copper sleeve through the steel during production, effectively taking away the heat of the mold. The mold steel will not leak water after cracking, saving the material, processing and verification costs of reopening the mold. The continuity of production is guaranteed and the quality is stable, the production efficiency is increased, and the scrap rate is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the use state of a water leakage tool for preventing mold cracking in one embodiment of the present application;

[0015] Figure 2 for Figure 1 A partial structural schematic diagram of an embodiment;

[0016] Figure 3 for Figure 1 A schematic diagram of the structure of the cross section of the embodiment;

[0017] Figure 4 for Figure 1 A schematic structural diagram of a water leakage tool for preventing mold cracking in an embodiment;

[0018] Figure 5 for Figure 1 A schematic structural diagram of a water injection assembly in an embodiment;

[0019] The purpose, features and advantages of this application will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

[0020] Among them, 1. Leakage tool to prevent mold cracking; 2. Copper sleeve; 3. Cooling hole; 4. Mold; 5. Water injection assembly; 6. Sleeve; 7. Water injection pipe; 8. Water inlet; 9. Water outlet; 10. Sealing ring; 11. Opening. DETAILED DESCRIPTION

[0021] In conjunction with the drawings in the embodiments of the present application, the schemes in the embodiments of the present application are clearly and completely described. Obviously, the described embodiments are only part of the embodiments in the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

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

[0023] It should also be noted that when an element is referred to as being "fixed on" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element at the same time. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0024] In addition, the descriptions of "first", "second", etc. in this application are only 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" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. 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 this application.

[0025] This application proposes a water leakage tool to prevent mold cracking, referring to Figures 1 to 5 The water leakage tool 1 for preventing mold cracking comprises: a copper sleeve 2 embedded in the bottom of the mold 4 and a cooling hole 3 corresponding to the copper sleeve 2 and arranged at the bottom of the mold 4; an opening 11 is arranged at one end of the copper sleeve 2, and the wall thickness of the copper sleeve 2 is 0.5mm±0.1mm. The copper sleeve 2 has good heat dissipation and ductility, will not crack due to cooling temperature difference, and can ensure that the heat of the mold 4 is transferred to the copper sleeve 2 through the steel during production, effectively taking away the heat of the mold 4.

[0026] In this embodiment, a water injection assembly 5 adapted to the copper sleeve 2 is also included, and the water injection assembly 5 includes a sleeve 6 connected to the opening 11 of the copper sleeve 2 and a water injection pipe 7 inserted into the copper sleeve 2. Cooling water is injected into the copper sleeve 2 to take away heat and effectively cool the mold 4. The cooling effect is good, and the copper sleeve 2 will not crack and cause water leakage.

[0027] In one embodiment, one end of the sleeve 6 is tapered to facilitate insertion of the sleeve 6 into the mounting hole for water addition, and a water outlet channel is formed inside the sleeve 6, the mounting hole and the copper sleeve 2.

[0028] In one embodiment, the other end of the sleeve 6 is connected to a water inlet 8 and a water outlet 9 .

[0029] In one embodiment, the outer wall of the copper sleeve 2 is fitted to the mold 4, which has a good cooling effect.

[0030] In one embodiment, a sealing ring 10 is provided at the connection between the open end of the copper sleeve 2 and the mold 4 .

[0031] In one embodiment, the water injection pipe 7 is inserted into the bottom of the copper sleeve 2.

[0032] In one embodiment, a plurality of cooling holes 3 are provided at the bottom of the mold 4, and the cooling holes 3 are denser where the heat is concentrated.

[0033] The technical effects of the water leakage tool for preventing mold cracking in this application are as follows:

[0034] The utility model is a water leakage tool for preventing mold cracking, comprising a copper sleeve 2 inlaid and arranged at the bottom of the mold 4 and a cooling hole 3 arranged at the bottom of the mold 4 corresponding to the copper sleeve 2; the copper sleeve 2 has good heat dissipation and ductility, will not cause cracking due to cooling temperature difference, and can ensure that the heat of the mold 4 is transferred to the copper sleeve 2 through the steel during production, effectively taking away the heat of the mold 4. The mold 4 does not leak water after the steel cracks, saving the material, processing and verification costs of reopening the mold 4. The continuity of production is guaranteed and the quality is stable, the production efficiency is increased, and the scrap rate is reduced.

[0035] The above are only partial or preferred embodiments of the present application. Neither the text nor the drawings can limit the scope of protection of the present application. All equivalent structural changes made using the contents of the present application specification and drawings under the overall concept of the present application, or direct / indirect application in other related technical fields are included in the scope of protection of the present application.

Claims

1. A water leakage tool for preventing mold cracking, characterized in that: include: A copper sleeve inlaid in the bottom of the mold and a cooling hole corresponding to the copper sleeve arranged at the bottom of the mold; One end of the copper sleeve is open, and the wall thickness of the copper sleeve is 0.5 mm±0.1 mm.

2. The water leakage tool for preventing mold cracking according to claim 1, characterized in that: It also includes a water injection assembly adapted to the copper sleeve, and the water injection assembly includes a sleeve connected to the opening of the copper sleeve and a water injection pipe inserted into the copper sleeve.

3. The water leakage tool for preventing mold cracking according to claim 2, characterized in that: One end of the sleeve is tapered.

4. The water leakage tool for preventing mold cracking according to claim 2, characterized in that: The other end of the sleeve is connected with a water inlet and a water outlet.

5. The water leakage tool for preventing mold cracking according to claim 1, characterized in that: The outer wall of the copper sleeve is fitted with the mold.

6. The water leakage tool for preventing mold cracking according to claim 1, characterized in that: A sealing ring is provided at the connection between one end of the opening of the copper sleeve and the mold.

7. The water leakage tool for preventing mold cracking according to claim 2, characterized in that: The water injection pipe is inserted into the bottom of the copper sleeve.

8. The water leakage tool for preventing mold cracking according to claim 1, characterized in that: The bottom of the mold is provided with a plurality of cooling holes.