A debug-free mouthpiece mold

By designing a die that requires no adjustment on the preforming machine, the problem of long adjustment time for the core and die in the existing technology is solved, achieving efficient and stable sealing ring forming, and improving processing efficiency and die life.

CN224575980UActive Publication Date: 2026-07-31ANHUI COOPER SEALING TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI COOPER SEALING TECH CO LTD
Filing Date
2025-05-30
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

The core and die of the existing preforming machine mold need to be manually adjusted, which results in long adjustment time and easy positional deviation, affecting molding quality and mold life.

Method used

Design a die that requires no adjustment. The core is fixedly set in the feed cylinder, with its top coaxial with the die and a gap forming the discharge port. Stable connection is achieved through a step and pry-out structure, eliminating the need for concentricity and height adjustments.

Benefits of technology

This improved processing efficiency, ensured the forming effect of the sealing ring and the stability of the mold, and avoided poor forming and mold damage caused by improper adjustment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224575980U_ABST
    Figure CN224575980U_ABST
Patent Text Reader

Abstract

This utility model discloses a die without adjustment, a feeding cylinder, a core mold fixedly disposed inside the feeding cylinder, a die at the top of the feeding cylinder, a circular hole in the middle of the die, the top of the core mold located inside the circular hole of the die, and the top surface of the core mold and the top surface of the die mold being on the same horizontal plane, with the same gap between the outer wall of the top of the core mold and the inner wall of the circular hole of the die mold, and the gap value being greater than 0, the gap forming a discharge port; the die is fixedly disposed in the middle of the feeding cylinder, that is, the core mold stably guides the rubber material, and the rubber is discharged from the top discharge port to form a sealing ring; this structure eliminates the adjustment time for adjusting the concentricity and height fit of the die mold and the core mold, further improving processing efficiency and ensuring the forming effect of the sealing ring.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to mouth molds, specifically to a mouth mold that requires no adjustment. Background Technology

[0002] Because the existing preforming machine uses a die with the core mold connected to the inside of the feed cylinder via a bottom thread, when processing the sealing ring preform, the core height needs to be adjusted multiple times by manually tightening the threads to ensure that the top surface of the core mold and the top of the die are at the same height and coaxial. This requires precise positioning of the core mold, resulting in long debugging time and a large amount of material used for debugging. If the core mold position deviates, it can easily lead to problems such as one-sided forming of the part, the cutter cutting the die and causing iron filings to damage the mold. Therefore, we propose a die mold that does not require debugging. Utility Model Content

[0003] The purpose of this invention is to provide a die that does not require adjustment, so as to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a die without adjustment, a feeding cylinder, a core shape fixedly disposed inside the feeding cylinder, a die shape at the top of the feeding cylinder, a circular hole in the middle of the die shape, the top of the core shape located inside the circular hole of the die shape, and the top surface of the core shape and the top surface of the die shape located on the same horizontal plane, the outer wall of the top of the core shape and the inner wall of the circular hole of the die shape having the same gap, and the gap value being greater than 0, the gap forming a discharge port.

[0005] Preferably, the nozzle, core, and feed cylinder are located on the same axis.

[0006] Preferably, the bottom of the nozzle is provided with an annular groove, and the top of the feed cylinder is provided with an upwardly protruding first step, the annular groove and the first step matching.

[0007] Preferably, the first step has multiple pry holes circumferentially.

[0008] Preferably, the core is integrally formed with the feed cylinder.

[0009] Preferably, the core is composed of two parts: a bottom conical structure and a top cylindrical structure, with the top cylindrical structure located inside the circular hole.

[0010] Preferably, the mouth shape is a stepped frustum structure.

[0011] Preferably, the feed cylinder has multiple feed ports on the side away from the discharge port.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] Compared to existing technologies where the core is connected to the feed cylinder via a bottom thread, this invention is fixedly positioned in the middle of the feed cylinder. The core stably guides the adhesive material, and the adhesive is discharged from the top outlet to form a sealing ring. This structure eliminates the adjustment time required for the concentricity and height of the outlet and core, further improving processing efficiency and ensuring the forming effect of the sealing ring. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the existing die-cutting structure;

[0015] Figure 2 for Figure 1 Exploded view;

[0016] Figure 3 This is a schematic diagram of the structure of this utility model;

[0017] Figure 4 This is a schematic diagram of the feed cylinder structure in this utility model;

[0018] Figure 5 This is a schematic diagram of the mouth-shaped structure of this utility model;

[0019] Figure 6 This is a cross-sectional view of the present invention;

[0020] In the diagram: 1. Mouth shape; 2. Core shape; 3. Feed cylinder; 4. Discharge port; 5. First step; 6. Slot; 7. Feed inlet; 11. Annular groove; Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-6 This utility model provides a technical solution: a die without adjustment, characterized in that it includes: a feeding cylinder 3, a core 2 fixedly disposed inside the feeding cylinder 3, a die 1 provided at the top of the feeding cylinder 3, a circular hole opened in the middle of the die 1, the top of the core 2 located inside the circular hole of the die 1, and the top surface of the core 2 and the top surface of the die 1 located on the same horizontal plane, the outer wall of the top of the core 2 and the inner wall of the circular hole of the die 1 have the same gap, and the gap value is greater than 0, and the gap forms a discharge port 4;

[0023] Compared to the existing technology where the core 2 is connected to the feed cylinder 3 via a bottom thread, in this invention, the core 2 has its bottom thread removed, allowing it to be fixedly connected to the middle of the feed cylinder 3. This means that the core 2 stably guides the adhesive material, and the adhesive is discharged from the top outlet to form a sealing ring. This structure eliminates the adjustment time required for the concentricity and height of the nozzle and core, further improving processing efficiency and ensuring the forming effect of the sealing ring.

[0024] In a further embodiment, the orifice 1, the core 2, and the feed cylinder 3 are located on the same axis; that is, by having all three located on the same axis, the top of the core is ensured to be located in the center of the orifice, thus ensuring the discharge effect.

[0025] In a further embodiment, the bottom outer periphery of the orifice 1 is provided with an annular groove 11, and the top of the feed cylinder 3 is provided with an upwardly protruding first step 5. The annular groove 11 and the first step 5 are engaged / fitted; that is, by setting the first step 5 on the annular groove 11, the orifice 1 and the feed cylinder 3 are stably limited, ensuring the discharge effect.

[0026] In a further embodiment, the first step 5 is provided with a plurality of pry holes 6 in the circumferential direction; that is, while ensuring that the opening 1 and the feed cylinder 3 are engaged, the pry holes 6 facilitate the separation of the opening 1 and the feed cylinder 3 to clean the adhesive.

[0027] In a further embodiment, the core 2 and the feed cylinder 3 are integrally formed; thus avoiding repeated adjustments to the core position, which would affect processing efficiency; at the same time, it also ensures the stability of the connection between the core and the discharge cylinder, thereby ensuring the processing accuracy of the sealing ring.

[0028] In a further embodiment, the core 2 consists of a bottom conical structure and a top cylindrical structure. The top cylindrical structure is located inside the circular hole, and the inner diameter of the conical structure gradually decreases from bottom to top. That is, the conical structure gradually guides the rubber material in the feed cylinder to stably discharge it from the outlet, and the cylindrical structure ensures that the thickness of the processed sealing ring is uniform.

[0029] In a further embodiment, the mouth shape 1 is a stepped frustum structure; that is, the mouth shape mold is connected to the preforming machine to ensure the stability of the mouth shape mold.

[0030] In a further embodiment, the bottom of the feed cylinder 3 is provided with a cross, which divides it into four feed ports 7 to facilitate simultaneous feeding and ensure processing effect.

[0031] The working principle and usage process of this utility model are as follows: First, the die is fixed on the preforming machine, and the glue is fed through the feed port and flows along the fixed core mold, and is discharged from the discharge hole to form a sealing ring.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A debug-free mouthpiece mold characterized by, include: Feed cylinder (3), a core (2) is fixedly installed inside the feed cylinder (3), an orifice (1) is provided at the top of the feed cylinder (3), a round hole is opened in the middle of the orifice (1), the top of the core (2) is located in the round hole of the orifice (1), and the top surface of the core (2) and the top surface of the orifice (1) are on the same horizontal plane. There is the same gap between the outer wall of the top of the core (2) and the inner wall of the round hole of the orifice (1), and the gap value is greater than 0. The gap forms the discharge port (4).

2. The die-cutting mold without adjustment according to claim 1, characterized in that: The nozzle (1), core (2), and feed cylinder (3) are located on the same axis.

3. The die-cutting mold without adjustment according to claim 1, characterized in that: The bottom of the orifice (1) is provided with an annular groove (11), and the top of the feed cylinder (3) is provided with an upward protruding first step (5), and the annular groove (11) matches the first step (5).

4. The die without adjustment according to claim 3, characterized in that: The first step (5) has multiple pry holes (6) circumferentially.

5. The die for which no adjustment is required according to claim 1, characterized in that: The core (2) and the feed cylinder (3) are integrally formed.

6. The die-cutting mold without adjustment according to claim 1, characterized in that: The core (2) consists of two parts: a bottom conical structure and a top cylindrical structure, with the top cylindrical structure located inside the circular hole.

7. The die without adjustment according to claim 1, characterized in that: The mouth shape (1) is a stepped frustum structure.

8. The die-cutting mold without adjustment according to claim 1, characterized in that: The feed cylinder (3) has multiple feed ports (7) on the side away from the discharge port (4).