Die clamping self-locking structure

By designing a self-locking structure for the mold, and utilizing a combination of a fixed base, a slide, and a hook-shaped self-locking pin, the mold achieves a self-locking function during transportation, solving the problem of complex operation under traditional locking methods, and realizing the miniaturization and simplification of mold operation.

CN224374605UActive Publication Date: 2026-06-19EVA PRECISION IND ZHONGSHAN
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
EVA PRECISION IND ZHONGSHAN
Filing Date
2025-06-19
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Molds are easily opened during transportation due to external forces. Traditional locking methods require frequent disassembly and reassembly of screws, resulting in a heavy workload and wasted time for workers.

Method used

The mold adopts a self-locking structure, including a fixed base, a slide, a locking block, and a hook-shaped self-locking pin. The self-locking and unlocking of the mold are achieved by pulling the pin, simplifying the operation.

Benefits of technology

This has enabled the miniaturization of molds, simplified the operation process, and saved labor time.

✦ Generated by Eureka AI based on patent content.

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Abstract

A mold closing self-locking structure includes a fixed base disposed on the upper mold, a sliding groove provided in the fixed base, a locking block slidably disposed in the sliding groove, and a pull pin for driving the locking block; it also includes a hook-shaped self-locking pin disposed on the lower mold. When the mold is closed, the hook-shaped self-locking pin is inserted into the fixed base and abuts against the locking block. This application achieves miniaturization through the innovation of the self-locking structure, while simplifying the work and saving labor time.
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Description

Technical Field

[0001] This utility model relates to the field of molds, and in particular to a mold closing self-locking structure. Background Technology

[0002] When transporting a mold in its closed state, the upper and lower molds need to be locked to prevent the mold from opening due to external forces during storage and transportation. Traditional locking methods (connecting rods with screws) require screws to be tightened every time the mold is disassembled or reassembled, resulting in unnecessary workload and wasted time for workers. Therefore, this self-locking structure was developed, which only requires pulling a pin to control the device's on / off state. Utility Model Content

[0003] To solve the above problems, this technical solution provides a mold closing self-locking structure.

[0004] To achieve the above objectives, the technical solution is as follows:

[0005] A mold closing self-locking structure includes a fixed seat disposed on an upper mold, a sliding groove provided in the fixed seat, a locking block slidably disposed in the sliding groove, and a pull pin for driving the locking block.

[0006] It also includes a hook-shaped self-locking pin disposed in the lower mold. When the mold is closed, the hook-shaped self-locking pin is inserted into the fixed seat and abuts against the locking block.

[0007] In some embodiments, the locking block is connected to the slide via an elastic member.

[0008] In some embodiments, the hook-shaped self-locking pin is provided with a groove for abutting against the locking block.

[0009] In some embodiments, a guide protrusion for pushing the locking block is provided on one side of the pull pin.

[0010] In some embodiments, the end of the locking block is provided with a guide ramp that corresponds to the guide protrusion.

[0011] In some embodiments, the pull-out pin has at least two positioning holes on its side, and the fixing seat has a pin that mates with the positioning holes.

[0012] In some embodiments, the upper end face of the pull-out pin is provided with a pulling portion.

[0013] The beneficial effects of this application are:

[0014] This application achieves miniaturization through an innovative self-locking structure, while simplifying the work and saving labor time. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0016] Figure 1 This is an exploded view of the mold-closing structure according to an embodiment of the present invention.

[0017] Figure 2 This is a partial structural schematic diagram of an embodiment of the present utility model;

[0018] Figure 3 This is a schematic diagram of the mold opening structure of an embodiment of this utility model. Detailed Implementation

[0019] To make the technical problems solved, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0020] Please refer to Figure 1-3 As shown, a mold closing self-locking structure includes a fixed seat 1 disposed on the upper mold, a sliding groove 2 provided in the fixed seat 1, a locking block 3 slidably disposed in the sliding groove 2, and a pull pin 4 for driving the locking block 3.

[0021] It also includes a hook-shaped self-locking pin 5 set in the lower mold. When the mold is closed, the hook-shaped self-locking pin 5 is inserted into the fixed seat 1 and abuts against the locking block 3.

[0022] First, the locking device of the fixed seat is located in the upper mold part, and the hook-shaped self-locking pin device is located in the lower mold part. When the mold needs to be opened, the pin is pulled upwards. The position of the circular hole on the side of the pin is aligned with the positioning pin. At this time, the inclined surface of the pin is pulled to drive the locking block to move backwards. The locking block separates from the hook-shaped self-locking pin and opens, thus completing the opening of the self-locking device.

[0023] It saves space and achieves miniaturization through the repetitive action of hook-shaped locking pins and latches, making it suitable for various structural applications (not limited to molds).

[0024] In this embodiment, the locking block 3 is connected to the slide groove 2 via an elastic component 6. The elastic component can be a spring, which allows the locking block to move back and forth.

[0025] In this embodiment, the hook-shaped self-locking pin 5 is provided with a slot for abutting against the locking block 3.

[0026] In this embodiment, a guide protrusion 7 for pushing the locking block 3 is provided on one side of the pull pin 4. When the pull pin is lifted, the inclined guide protrusion pushes the locking block, so that the locking block compresses the spring and moves away from the hook-shaped self-locking pin, thereby opening the mold.

[0027] In this embodiment, the end of the locking block 3 is provided with a guide slope that corresponds to the guide protrusion 7, which makes it easier to push the locking block.

[0028] In this embodiment, the pull-out pin 4 has at least two positioning holes 8 on its side, and the fixing base 1 has a pin 9 that cooperates with the positioning holes 8. The device is designed with a positioning pin and a concave positioning hole on the side of the pull-out pin, which can achieve a precise opening and closing self-locking effect.

[0029] In this embodiment, the upper end face of the pull-out pin 4 is provided with a pulling part 10.

[0030] The above description is only a preferred embodiment of this application and is not intended to limit the scope of implementation of this application. Any other embodiments whose principles and basic structures are the same as or similar to those of this application are within the protection scope of this application.

Claims

1. A mold clamping self-locking structure, characterized by comprising: It includes a fixed seat (1) set in the upper mold, a sliding groove (2) is provided in the fixed seat (1), a locking block (3) is slidably provided in the sliding groove (2), and the fixed seat (1) is also provided with a pull pin (4) for driving the locking block (3); It also includes a hook-shaped self-locking pin (5) set in the lower mold. When the mold is closed, the hook-shaped self-locking pin (5) is inserted into the fixed seat (1) and abuts against the locking block (3).

2. The mold self-locking structure of claim 1, wherein: The locking block (3) is connected to the slide groove (2) via an elastic component (6).

3. The mold self-locking structure of claim 2, wherein: The hook-shaped self-locking pin (5) is provided with a slot for abutting against the locking block (3).

4. The mold closing self-locking structure according to claim 1, characterized in that: The pull-out pin (4) has a guide protrusion (7) on one side for pushing the locking block (3).

5. The mold closing self-locking structure according to claim 4, characterized in that: The end of the locking block (3) is provided with a guide slope that corresponds to the guide protrusion (7).

6. The mold closing self-locking structure according to claim 1, characterized in that: The pull-out pin (4) has at least two positioning holes (8) on its side, and the fixing seat (1) has a pin (9) that mates with the positioning holes (8).

7. The mold closing self-locking structure according to claim 1, characterized in that: The upper end face of the pull-out pin (4) is provided with a pull part (10).