Injection mold with convenient maintenance

CN224765940UActive Publication Date: 2026-09-18SHENZHEN HAIDE MOULD CO LTD
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Patent Information

Application Number
CN202521794052.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-22
Publication Date
2026-09-18
Estimated Expiration
2035-08-22

AI Technical Summary

Technical Problem

[0003]1.装配易错:多组模具并存时,相似模仁在安装的过程中易混淆安装方向,容易引发合模干涉或压模事故;

Benefits of technology

[0014] 1. In this utility model, the mold base and mold core are designed as separate structures, and the mold core can be removed separately for maintenance and replacement. In the subsequent assembly process, the positioning operation between the mold core and the mold base can be achieved through the positioning boss and positioning groove, which can ensure the accurate alignment of the bolt locking hole. During the bolt locking process, the consistency of the force at each position can be ensured, and the problem of bolt stripping is not likely to occur later. Secondly, an anti-misalignment mechanism is designed between the positioning boss and the positioning groove, which can forcibly limit the mold body to a unique installation direction and completely eliminate the risk of reverse assembly.

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Abstract

The utility model discloses an injection mold of convenient overhaul, including the opposite arrangement's upper die holder and lower die holder, the opposite direction of upper die holder and lower die holder respectively detachable installation has the upper die and lower die, the opposite direction of upper die and lower die four corners respectively convex has formed the positioning boss, the opposite end surface of upper die and lower die is provided with the positioning groove corresponding with positioning boss, one positioning boss convex forms the mistake prevention convex edge, one positioning groove is provided with the mistake prevention recess groove corresponding with mistake prevention convex edge. The utility model discloses the design scheme, through the collaborative design of mistake prevention positioning structure and NFC information management system, the overhaul efficiency and use reliability of mould are optimized significantly.
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Description

Technical Field

[0001] This utility model belongs to the field of injection mold technology, specifically an injection mold that is easy to inspect and maintain. Background Technology

[0002] Injection molds are key tools in the production of plastic products. Their core principle involves temperature control, raw material injection, and pressure holding to achieve product molding. Injection molds are widely used critical equipment in industrial production, and their structural stability and maintenance efficiency directly affect production cycles and product quality. Traditional injection molds feature a detachable mold core and assembly for easy core replacement and maintenance. However, this design still has the following significant drawbacks in practical use:

[0003] 1. Assembly errors are common: When multiple sets of molds exist, similar mold cores are easily confused about their installation direction during the installation process, which can easily lead to mold closing interference or mold pressing accidents.

[0004] 2. Weak information management: When different models of molds are highly similar in appearance, operators have difficulty distinguishing them directly by appearance and can only rely on the nameplates and markings to make information judgments, which can easily lead to misreading and errors in mold core assembly.

[0005] In view of the above problems, an injection mold that is easy to maintain is proposed. Utility Model Content

[0006] The purpose of this utility model is to provide an injection mold that is easy to inspect and maintain in order to solve the problems mentioned above.

[0007] The technical solution adopted by this utility model is as follows: An injection mold that is easy to maintain includes an upper mold base and a lower mold base arranged opposite to each other. An upper mold core and a lower mold core are detachably installed on the upper mold base and the lower mold base respectively in opposite directions. Positioning bosses are formed by protruding at the four corners of the upper mold core and the lower mold core in opposite directions. Positioning grooves corresponding to the positioning bosses are provided on the opposite end faces of the upper mold core and the lower mold core. An anti-misalignment protrusion is formed on one of the positioning bosses. An anti-misalignment groove corresponding to the anti-misalignment protrusion is provided on one of the positioning grooves.

[0008] In a preferred embodiment, the opposite end faces of the upper mold base and the lower mold base are respectively recessed to form receiving cavities adapted to the upper mold core and the lower mold core. Threaded holes are provided on the sides of the upper mold core and the lower mold core. Mounting holes corresponding to the threaded holes are provided on the upper mold base and the lower mold base. The upper mold core and the upper mold base, as well as the lower mold core and the lower mold base, are all connected by bolts.

[0009] In a preferred embodiment, the upper mold core and / or the lower mold core are provided with an NFC information recognition mechanism.

[0010] In a preferred embodiment, the NFC information identification mechanism includes an NFC chip with an outer cover bearing information about the upper mold core and / or the lower mold core, wherein a receiving cavity is formed on one side of the upper mold core and / or the lower mold core, the NFC chip is disposed in the receiving cavity, and the outer cover is disposed in the receiving cavity and covers the NFC chip.

[0011] In a preferred embodiment, the outer surface of the outer cover is coated with a fluorescent coating.

[0012] In a preferred embodiment, the outer cover has a pre-drilled fixing hole, and the outer cover is fastened to the upper mold core and / or the lower mold core by screws. The outer cover has an inwardly recessed handle.

[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0014] 1. In this utility model, the mold base and mold core are designed as separate structures, and the mold core can be removed separately for maintenance and replacement. In the subsequent assembly process, the positioning operation between the mold core and the mold base can be achieved through the positioning boss and positioning groove, which can ensure the accurate alignment of the bolt locking hole. During the bolt locking process, the consistency of the force at each position can be ensured, and the problem of bolt stripping is not likely to occur later. Secondly, an anti-misalignment mechanism is designed between the positioning boss and the positioning groove, which can forcibly limit the mold body to a unique installation direction and completely eliminate the risk of reverse assembly.

[0015] 2. In this utility model, an NFC identification mechanism is integrated on the mold core. During the assembly and warehousing of the mold core, the data information of the mold core can be automatically identified by an NFC identification device (such as an identification gun). On the one hand, this can ensure the accuracy of the information when warehousing and meet the production traceability function. On the other hand, during the assembly process, it can also determine whether it is the mold core to be assembled based on the identified information, thus avoiding assembly errors. Attached Figure Description

[0016] Figure 1 This is a cross-sectional planar structural diagram of the present invention;

[0017] Figure 2 This is a simplified three-dimensional structural diagram of the present invention.

[0018] Figure 3 This is a simplified three-dimensional structural diagram of the lower mold core in this utility model;

[0019] Figure 4 for Figure 3 A simplified diagram of the enlarged structure at point A in the middle;

[0020] Figure 5This is a simplified cross-sectional planar structural diagram of the combination of the lower mold core and the NFC information recognition mechanism in this utility model.

[0021] Marked in the image:

[0022] 100 - Upper mold base;

[0023] 200 - lower mold core, 210 - threaded hole, 220 - receiving cavity;

[0024] 300 - Positioning boss, 310 - Anti-misalignment boss;

[0025] 400 - Lower mold base;

[0026] 500-bolt;

[0027] 600 - Outer cover, 610 - Handle, 620 - Fluorescent coating, 630 - Fixing hole;

[0028] 700-NFC chip;

[0029] 800-Upper mold kernel. Detailed Implementation

[0030] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0031] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0032] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0033] Reference Figure 1-5An injection mold for easy maintenance includes an upper mold base 100 and a lower mold base 400 arranged opposite to each other. An upper mold core 800 and a lower mold core 200 are detachably mounted on opposite sides of the upper mold base 100 and lower mold base 400, respectively. Positioning bosses 300 protrude from the four corners of the upper mold core 800 and lower mold core 200 in opposite directions. Positioning grooves corresponding to the positioning bosses 300 are provided on the opposite end faces of the upper mold core 800 and lower mold core 200. An anti-misalignment protrusion 310 protrudes from one of the positioning bosses 300, and an anti-misalignment groove corresponding to the anti-misalignment protrusion 310 is provided on one of the positioning grooves. Receiving cavities adapted to the upper mold core 800 and lower mold core 200 are recessed from the opposite end faces of the upper mold base 100 and lower mold base 400, respectively. The sides of the upper mold core 800 and lower mold core 200 are each open... The upper mold base 100 and the lower mold base 400 are provided with threaded holes 210, and mounting holes corresponding to the threaded holes 210 are provided on the upper mold base 100 and the lower mold base 400. The upper mold core 800 and the upper mold base 100, as well as the lower mold core 200 and the lower mold base 400, are all connected by bolts 500. The mold base and the mold core are designed as separate structures, so that the mold core can be removed for maintenance and replacement. In the subsequent assembly process, the positioning operation between the mold core and the mold base can be achieved through the positioning boss 300 and the positioning groove, which can ensure the precise alignment of the locking hole. During the bolt 500 locking process, the consistency of the force at each position can be ensured, and the problem of the bolt 500 stripping is not likely to occur later. In addition, an anti-misalignment mechanism is designed between the positioning boss 300 and the positioning groove, which can forcibly limit the mold body to a unique installation direction and completely eliminate the risk of reverse assembly.

[0034] In this embodiment, please refer to Figure 4 and Figure 5 As shown, the upper mold core 800 and / or the lower mold core 200 are equipped with an NFC information identification mechanism. The NFC information identification mechanism includes an outer cover 600 and an NFC chip 700 carrying information about the upper mold core 800 and / or the lower mold core 200. A receiving cavity 220 is opened on one side of the upper mold core 800 and / or the lower mold core 200. The NFC chip 700 is disposed in the receiving cavity 220, and the outer cover 600 is disposed in the receiving cavity 220 and covers the NFC chip 700. The NFC identification mechanism is integrated on the mold core. During the assembly and warehousing of the mold core, the data information of the mold core can be automatically identified by an NFC identification device (such as an identification gun not shown in the figure). The information of the current mold core can be known based on the scanned data information. On the one hand, it can ensure the accuracy of the information when warehousing and play a role in traceability during the production process. On the other hand, during the assembly process, it can also determine whether it is the mold core to be assembled based on the identified information to avoid assembly errors.

[0035] In other embodiments, the NFC chip 700 can also be replaced with an RFID chip.

[0036] In this embodiment, please refer to Figure 4 As shown, the outer surface of the outer cover 600 is coated with a fluorescent coating 620. The fluorescent coating 620 is designed to make it easy for operators to find the identification location of the NFC information identification mechanism at night or in dim lighting conditions, thereby enabling rapid identification operations.

[0037] In this embodiment, please refer to Figure 4 and Figure 5 As shown, the outer cover 600 has a pre-drilled fixing hole 630. The outer cover 600 is attached to the upper mold core 800 and / or the lower mold core 200 by screws. The outer cover 600 has an inwardly recessed latch 610. When it is necessary to replace the internal NFC chip 700, the screws can be removed accordingly, and the outer cover 600 can be pried out using the designed latch 610. Then, the internal NFC chip 700 can be removed and replaced.

[0038] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An injection mold with easy access for maintenance, characterized in that, The device includes an upper mold base and a lower mold base arranged opposite to each other. An upper mold core and a lower mold core are detachably installed on the upper mold base and the lower mold base respectively in opposite directions. Positioning bosses are formed by protruding at the four corners of the upper mold core and the lower mold core in opposite directions. Positioning grooves corresponding to the positioning bosses are provided on the opposite end faces of the upper mold core and the lower mold core. An anti-misalignment protrusion is formed on one of the positioning bosses. An anti-misalignment groove corresponding to the anti-misalignment protrusion is provided on one of the positioning grooves.

2. An injection mold with easy access as claimed in claim 1, characterized in that: The upper mold base and the lower mold base have recessed end faces that are adapted to the upper mold core and the lower mold core, respectively. The upper mold core and the lower mold core are provided with threaded holes on their sides. The upper mold base and the lower mold base are provided with mounting holes corresponding to the threaded holes. The upper mold core and the upper mold base, as well as the lower mold core and the lower mold base, are all connected by bolts.

3. An injection mold with easy access as defined in claim 1, wherein: The upper mold core and / or the lower mold core are provided with an NFC information recognition mechanism.

4. An injection mold with easy access for maintenance as claimed in claim 3 wherein: The NFC information identification mechanism includes an NFC chip with information about the upper mold core and / or the lower mold core on an outer cover. A receiving cavity is provided on one side of the upper mold core and / or the lower mold core. The NFC chip is disposed in the receiving cavity, and the outer cover is disposed in the receiving cavity and covers the outside of the NFC chip.

5. An injection mold with easy access as defined in claim 3, wherein: The outer surface of the outer cover is coated with a fluorescent coating.

6. An injection mold with easy access for maintenance as defined in claim 3, wherein: The outer cover has a pre-drilled fixing hole, and the outer cover is fastened to the upper mold core and / or the lower mold core by screws. The outer cover has an inwardly recessed handle.