Rubber gate punching device

By designing a gate cutting device and utilizing the mold-closing structure of the upper and lower molds, the problem of unstable quality and high cost caused by manual cutting of the gate in injection molded products was solved, achieving efficient and stable gate cutting.

CN223803013UActive Publication Date: 2026-01-16KUNI-STARS MECHATRONICS HANGZHOU CO LTD
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Patent Information

Application Number
CN202520337301.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-01-16
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

Currently, manual cutting of the nozzle in injection molded products results in inconsistent quality, high cost, and low efficiency.

Method used

Design a die-cutting device for the glue outlet, which adopts an upper die assembly and a lower die assembly. Utilizing a combination of pressure plate, cutting blade and elastic element, the die-cutting work of the glue outlet is completed in one go through die closing. The pressure plate and the product contour structure ensure uniform force, the elastic element maintains pressure, and the drive assembly drives the upper die plate to move.

Benefits of technology

It achieves efficient removal of the glue outlet, improves the stability of processing quality, reduces labor costs, and increases production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a gate punching device, which relates to the related technical field of punching equipment and comprises an upper die assembly and a lower die assembly, the upper die assembly comprises an upper die plate, a pressing plate, a punching blade and an elastic piece, the upper die plate is connected with the pressing plate through the elastic piece, the punching blade is mounted on the upper die plate, and the lower die assembly is connected with the pressing plate through the elastic piece. The lower die assembly comprises a lower die plate, a profiling die cavity and a supporting block, the profiling die cavity and the supporting block are arranged in the lower die plate, a mounting groove used for mounting the supporting block is formed in the profiling die cavity, and the supporting block serves as a stress support for punching of the punching blade. Through the arrangement of the upper die assembly and the lower die assembly, the profiling lower die is convenient for placing a product, and when the dies are closed for punching, the pressing plate and the punching blade in the upper die assembly are used for cutting a glue opening on the product at one time, so that the cutting effect is good, the efficiency is high, the problem of unstable product quality caused by manual shearing processing is avoided, and the labor cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a punching device related technical field, especially a glue port punching device. BACKGROUND

[0002] The present stage for injection molding product glue port is generally manual shearing processing, and its processing quality is greatly influenced by the skill level of workers, the processing quality cannot be ensured, the notch is prone to uneven, and the manual shearing processing cost is higher, and the efficiency is lower, and the present application is proposed for the above-mentioned defects. INVENTION CONTENTS

[0003] The utility model discloses a glue port punching device, solve the problem of unstable processing quality and high cost, low efficiency caused by the present stage product glue port manual shearing processing.

[0004] To solve the above problem, the utility model provides a glue port punching device, including upper die combination and lower die combination, the upper die combination includes upper template, pressing plate, punching blade and elastic part, the upper template is connected through the elastic part between pressing plate, and the pressing plate is used to apply pressure to the product in the punching process, and the elastic part can adopt elastic sheet, elastic material, spring etc., is used to keep the pressure of the pressing plate to the product in the punching process, and avoids the pressure ring product, the punching blade is installed on the upper template, sets up corresponding number's punching blade according to the required cut position, the lower die combination includes lower template, profiling die cavity and support block in the lower template in profiling die cavity and is used for placing the product, the profiling die cavity is provided with the installation groove for installing the support block, the support block is used as the force support of punching blade punching, and the upper die combination and lower die combination are closed when punching, and the punching blade is used to complete the punching work of the glue port once.

[0005] According to the utility model one embodiment, the pressing plate adopts profiling structure, and the better down pressure effect is realized similar to the product shape.

[0006] According to the utility model one embodiment, the pressing plate covers part or all of the product when punching.

[0007] According to the utility model one embodiment, the elastic part includes spring.

[0008] According to the utility model one embodiment, the upper template is provided with the guide structure, and the pressing plate is connected with the guide structure, so that the pressing plate keeps stable during movement and avoids damaging the product.

[0009] According to the utility model one embodiment, the guide structure is guide rod, and the pressing plate is provided with the guide hole corresponding to the guide rod, and the guide rod is preferably provided with two groups.

[0010] According to an embodiment of the utility model, spring cover is installed outside guide rod, make structure more compact.

[0011] According to an embodiment of the utility model, glue port punching device still include lower mould support subassembly, lower mould support subassembly is connected with lower mould plate, lower mould support subassembly includes two side plates and bottom plate, side plate is connected through bolt with lower mould plate, according to different product changes different lower mould plate.

[0012] According to an embodiment of the utility model, glue port punching device still include drive subassembly, drive subassembly is connected with upper mould plate, drive subassembly can adopt cylinder, hydraulic cylinder etc. telescopic drive, utilize drive subassembly drive upper mould plate movement and carry out mould closing.

[0013] According to an embodiment of the utility model, punching blade and support block all adopt detachable installation, it is convenient according to punching demand and changes size or type.

[0014] The utility model discloses the beneficial effect is, through setting up upper mould combination and lower mould combination, wherein the profiled lower mould is convenient for setting product, when mould closing punching, utilize the pressing plate and punching blade in upper mould combination and carry out disposable cutting of the glue port on product, cutting effect is good, and the efficiency is high, avoids the problem of unstable product quality caused by artificial shearing processing, and reduces manpower cost. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further illustrated below in connection with the drawings and embodiment.

[0016] Figure 1 It is the overall structure schematic diagram of glue port punching device;

[0017] Figure 2 It is the explosion structure schematic diagram of glue port punching device;

[0018] Figure 3 It is the structure schematic diagram of upper mould combination;

[0019] Figure 4 It is the schematic diagram of product;

[0020] Figure 5 It is the structure schematic diagram of lower mould plate. DETAILED DESCRIPTION

[0021] The following description is only for disclosing the utility model to enable the person skilled in the art to carry out the utility model. The embodiment in the following description is only as example, and the person skilled in the art can think of other obvious variations. The basic principles of the utility model defined in the following description can be applied to other implementation, variation, improvement, equivalent and other schemes not departing from the spirit and scope of the utility model.

[0022] A rubber mouth punching device, such as Figure 1 , comprising an upper die assembly 1, a lower die assembly 2, a lower die support assembly 3 and a driving assembly.

[0023] As Figure 2 , Figure 3 , the upper die assembly 1 comprises an upper die plate 11, a pressing plate 12, a punching blade 13 and a spring 14, the spring 14 comprises two groups of springs, the upper die plate 11 is provided with two groups of guide structures 15 and four groups of punching blades 13, the punching blade 13 is installed on the upper die plate 11 through a bolt assembly, which is convenient for size or type replacement according to punching needs.

[0024] The guide structure 15 is a guide rod, and the spring is sleeved outside the guide rod, so that the structure is more compact, the pressing plate 12 is provided with a guide hole corresponding to the guide rod, the guide rod is provided with two groups, the pressing plate 12 is connected with the guide structure 15, which is used to keep the pressing plate 12 stable during movement, the pressing plate 12 is used to apply pressure to the product 4 during punching, and the spring 14 is used to keep the pressure of the pressing plate 12 to the product 4 during punching and avoid pressing the product.

[0025] As Figure 2 , the pressing plate 12 adopts a profiling structure, which is similar to the shape of the product, so that better pressing effect can be achieved, and the pressing plate 12 covers the whole product during punching, so that the product can be uniformly stressed.

[0026] The installation position of the punching blade 13 is set according to the position of the product rubber mouth, and in the embodiment, the product 4 is as shown in Figure 2 , Figure 4 , wherein the dashed box part is the rubber mouth part 41 to be cut off.

[0027] As Figure 5 , the lower die assembly 2 comprises a lower die plate 21, a profiling die cavity 23 arranged in the lower die plate 21 and a support block 22, the profiling die cavity 23 is used to place the product 4, the profiling die cavity 23 is provided with a mounting groove 24 for mounting the support block 22, the mounting groove 24 is provided with four groups, and the support block 22 is correspondingly provided with four groups, which are fixed by bolts and can be replaced in size or type according to punching needs.

[0028] The support block 22 is used to pad under the water gap of the product, as a force support for punching by the punching blade 13, and the upper die assembly 1 and the lower die assembly 2 are closed during punching, and the punching blade 13 is used to complete the punching work of the rubber mouth at one time.

[0029] As Figure 2 , the lower die support assembly 3 is connected with the lower die plate 21, and the lower die support assembly 3 comprises two side plates 31 and a bottom plate 32, the side plates 31 are connected with the lower die plate 21 through bolts, different lower die plates 21 are replaced according to different products, and the bottom plate 32 can be fixed on a working platform.

[0030] Further, the glue opening punching device further comprises a driving assembly connected with the upper die plate 11, which can be a telescopic driving such as a pneumatic cylinder or a hydraulic cylinder, and the driving assembly drives the upper die plate 11 to move for die combination.

[0031] In other embodiments, a plurality of driving assemblies can be arranged to drive the die combination 1 and the lower die combination 2 respectively to realize fast die combination and punching.

[0032] It should be understood by those skilled in the art that the above description and the embodiments of the utility model shown in the drawings are only examples and do not limit the utility model. The purpose of the utility model has been completely and effectively realized. The function and structural principle of the utility model have been shown and explained in the embodiments, and the embodiments of the utility model can be deformed and modified in any way without departing from the principle.

Claims

1. A gum port die cutting apparatus, characterized by: The device comprises an upper die assembly (1) and a lower die assembly (2), the upper die assembly (1) comprises an upper die plate (11), a pressing plate (12), a punching blade (13) and an elastic member (14), the upper die plate (11) is connected with the pressing plate (12) through the elastic member (14), the punching blade (13) is installed on the upper die plate (11), the lower die assembly (2) comprises a lower die plate (21), a profiling die cavity (23) arranged in the lower die plate (21) and a supporting block (22), the profiling die cavity (23) is provided with an installation groove (24) for installing the supporting block (22), and the supporting block (22) serves as a force support for the punching of the punching blade (13).

2. The gum port die cutting apparatus of claim 1, wherein: The pressing plate (12) adopts a profiling structure.

3. The gum port die cutting apparatus of claim 2, wherein: During punching, the pressing plate (12) covers part or all of the product.

4. The gum port punching apparatus of any one of claims 1-3, wherein: The elastic member (14) comprises a spring.

5. The gum port die cutting apparatus of claim 4, wherein: The upper die plate (11) is provided with a guide structure (15), and the pressing plate (12) is connected with the guide structure (15).

6. The gum port die cutting apparatus of claim 5, wherein: The guide structure (15) is a guide rod, and the pressing plate (12) is provided with a guide hole corresponding to the guide rod.

7. The gum port die cutting apparatus of claim 6, wherein: The spring is sleeved outside the guide rod.

8. The gum port die cutting apparatus of any of claims 5-7, wherein: The device further comprises a lower die support assembly (3), and the lower die support assembly (3) is connected with the lower die plate (21).

9. The gum port punching apparatus of any of claims 5-7, wherein: The device further comprises a driving assembly, and the driving assembly is connected with the upper die plate (11).

10. The gum port die cutting apparatus of any of claims 5-7, wherein: Both the punching blade (13) and the supporting block (22) are detachably installed.