A quick-change mold device for hose molding and inflatable

By designing an inflatable quick-changing mold device, the existing hose forming mold replacement efficiency and poor cooling effect are solved, rapid replacement and efficient molding are achieved, and the flexibility of the production line and product quality are improved.

CN222727351UActive Publication Date: 2025-04-08DALIAN KURASHIKI RUBBER PARTS CO LTD
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Patent Information

Application Number
CN202420940551.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-03
Publication Date
2025-04-08
Estimated Expiration
2034-05-03

AI Technical Summary

Technical Problem

Existing hose forming molds are inefficient during maintenance and replacement of models, and the cooling effect of the forming core is not good during the forming process.

Method used

An inflatable quick-changing mold device is designed, including a support, a molding mold, a locking mechanism and a support sleeve. The device enables rapid replacement of the molding sleeve and forming inner core through a locking mechanism, and improves cooling and forming efficiency through thermal insulation sleeve and heater.

Benefits of technology

It realizes rapid replacement of molded inner core and molded sleeve, improves the flexibility and efficiency of the production line, reduces waiting time and resource waste, and ensures the stability of product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an inflatable quick-change mold device for forming a hose, which relates to the technical field of hose forming, and includes a support, a molding mold is provided at the head of the support, the molding mold includes a molding sleeve and a molding inner core, a locking mechanism and a support sleeve are provided at the rear of the support, the locking mechanism includes a locking support plate, a locking block and a locking handle, a feed port is provided at the side of the support, and a cover plate is provided at the top and bottom of the support. The utility model is designed with a convenient locking mechanism, which makes the replacement of the molding inner core and the molding sleeve quick and simple, and also enables the production line to more flexibly adapt to the production needs of hoses of different specifications and types, and the production line can switch to new production tasks more quickly, reducing waiting time and resource waste, and improving market competitiveness. The operation steps are simple and clear, and the operator can quickly master them, which reduces the requirements for professional skills. The design of the air connection head can maintain the shape of the pipeline and prevent deformation, further ensuring product quality.
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Description

Technical Field

[0001] The utility model relates to the technical field of hose molding, in particular to an inflatable quick-change mold device for hose molding. Background Art

[0002] Rubber hoses are a type of bulk rubber products. According to the different pressures they withstand during work, they are divided into pressure-resistant hoses, low-pressure hoses (working pressure below 0.5MPa) and negative pressure hoses (internal pressure is lower than atmospheric pressure); according to their different cross-sectional structures, they are divided into pure hoses without a reinforced skeleton layer and reinforced hoses with various reinforced skeletons (cloth sandwich, braiding, knitting, circular weaving, etc.). In the production process of hoses, extrusion equipment and molding dies are required. The underlying principle of the molding mold is as shown in the disclosed patent CN202121562083.5, a tube extrusion mold. In the actual production process, maintenance and replacement of models are relatively common problems. In order to improve the replacement efficiency and cool the molding core during the molding process, a special inflatable quick-change mold device is designed. Utility Model Content

[0003] The utility model aims to provide a quick-change mold device for forming an inflatable hose, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rubber hose molding inflatable quick-change mold device, comprising a support, the head of the support is provided with a molding mold, the molding mold includes a molding sleeve and a molding inner core, the rear of the support is provided with a locking mechanism and a support sleeve, the locking mechanism includes a locking support plate, a locking block and a locking handle, the side of the support is provided with a feed port, and the upper and lower parts of the support are provided with cover plates.

[0005] Furthermore: the molding sleeve is interconnected with the front end of the support through a limiting ring, and the root of the molding sleeve is evenly distributed with protrusions, and the corresponding limiting ring is provided with a groove, the protrusion can be inserted into the groove and the molding sleeve is limited after rotation; the head of the molding inner core is conical, the molding inner core is hollow, and a slot is provided at the rear of the molding inner core, and a locking block is inserted into the inner shell of the slot.

[0006] Preferably, blind holes are distributed around the outside of the forming sleeve, round rods can be inserted into the blind holes, and an air connection head is provided at the rear of the forming inner core.

[0007] Preferably, the support sleeve is fixedly connected to the rear of the support via a flange, a heat insulating sleeve is provided inside the support sleeve, and the molded inner core passes through the heat insulating sleeve.

[0008] Furthermore: the locking support plate is arranged at the rear of the support sleeve, the nut seat is symmetrically fixed on the locking support plate, the rear of the locking block is interconnected with the nut seat through a screw rod, and the outside of the screw rod is interconnected with the locking handle.

[0009] Preferably, the locking support plate and the supporting sleeve are connected by threads, the locking block is a V-shaped block, and guide rods are provided on both sides of the rear of the locking block, and the guide rods pass through the nut seat.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model is designed with a convenient locking mechanism, which makes the replacement of the molding inner core and the molding sleeve quick and simple, and also enables the production line to more flexibly adapt to the production needs of hoses of different specifications and types. The production line can switch to new production tasks more quickly, reducing waiting time and resource waste, and improving market competitiveness. The operating steps are simple and clear, and the operators can quickly master them, reducing the requirements for professional skills. The design of the air connector can maintain the shape of the pipeline and prevent deformation, further ensuring product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 It is the front view of the utility model;

[0013] Figure 3 It is a schematic diagram of AA section view;

[0014] Figure 4 This is an enlarged schematic diagram of point B;

[0015] Figure 5 This is a rear view of the utility model;

[0016] Figure 6 This is an enlarged schematic diagram of point C;

[0017] Figure 7 It is a partial exploded view of the utility model.

[0018] In the figure: 1. support, 2. forming mold, 3. locking mechanism, 4. support sleeve, 5. cover plate, 6. feed port, 7. limiting ring, 8. insulation sleeve, 21. forming sleeve, 22. forming inner core, 211. protrusion, 212. blind hole, 221. slot, 222. air connecting head, 31. locking support plate, 32. nut seat, 33. locking block, 34. screw, 35. locking handle. DETAILED DESCRIPTION

[0019] The present invention will be described below based on the embodiments in conjunction with the accompanying drawings in the embodiments of the present invention. However, it is worth noting that the present invention is not limited to these embodiments. In the detailed description of the present invention below, some specific details are described in detail. However, for the parts that are not described in detail, those skilled in the art can also fully understand the present invention.

[0020] In addition, those skilled in the art should understand that the drawings are only provided to illustrate the purpose, features and advantages of the present invention, and the drawings are not actually drawn according to scale.

[0021] At the same time, unless the context clearly requires otherwise, the words "include", "comprises" and similar words throughout the specification and claims should be interpreted as inclusive rather than exclusive or exhaustive; that is, the meaning is "including but not limited to".

[0022] See also Figure 1-Figure 7 The utility model provides a technical solution: it includes a support 1, a molding die 2 is provided at the head of the support 1, the molding die 2 includes a molding sleeve 21 and a molding inner core 22, a locking mechanism 3 and a support sleeve 4 are provided at the rear of the support 1, the locking mechanism 3 includes a locking support plate 31, a locking block 33 and a locking handle 35, a feed port 6 is provided on the side of the support 1, and a cover plate 5 is provided above and below the support 1, and a heater can be installed inside the cover plate 5 to prevent congestion.

[0023] The molding sleeve 21 is interconnected with the front end of the support 1 through a limiting ring 7. The root of the molding sleeve 21 is evenly distributed with bumps 211, and the corresponding limiting ring 7 is provided with a groove. The bumps 211 can be inserted into the groove and the molding sleeve 21 is limited after rotation; the head of the molding inner core 22 is conical, and the molding inner core 22 is hollow. A slot 221 is provided at the rear of the molding inner core 22, and the inner shell of the slot 221 is inserted into the locking block 33.

[0024] Blind holes 212 are distributed around the outside of the forming sleeve 21 , and round rods can be inserted into the blind holes 212 . An air connection head 222 is provided at the rear of the forming inner core 22 .

[0025] The support sleeve 4 is fixedly connected to the rear of the support 1 through a flange. A heat insulating sleeve 8 is arranged inside the support sleeve 4 , and the molded inner core 22 passes through the heat insulating sleeve 8 .

[0026] The locking support plate 31 is arranged at the rear of the support sleeve 4 , the nut seat 32 is symmetrically fixed on the locking support plate 31 , the rear of the locking block 33 is interconnected with the nut seat 32 through a screw rod 34 , and the outside of the screw rod 34 is interconnected with the locking handle 35 .

[0027] The locking support plate 31 is connected to the support sleeve 4 by threads. The locking block 33 is a V-shaped block. Guide rods are provided on both sides of the rear of the locking block 33 , and the guide rods pass through the nut seat 32 .

[0028] When using this utility model, if the attached Figure 7 As shown, at this time, the molding die 2 is not installed, and the feed port 6 is interconnected with the existing extruder head. When a different molding die 2 needs to be installed, the molding inner core 22 can be installed first, and the molding inner core 22 is inserted into the insulation sleeve 8 (ceramic) and passes through the middle of the locking support plate 31. Then, the locking handle 35 is turned over to drive the screw rod 34 to rotate, so that the locking block 33 can be inserted into the card slot 221 for locking and limiting. The card slot 221 has a certain slope to achieve the wedging effect, and then the molding sleeve 21 is installed. The installation method of the molding sleeve 21 is similar to that of the fire outlet. First, the molding sleeve 21 is inserted into the limiting ring 7, and then a round rod is inserted into the blind hole 212 to rotate and limit the locking. In order to prevent blocking, an electric heater can be added inside the cover plate 5. The air connector 222 is connected to the dried air pipe through a quick connector to cool the head of the molding inner core 22 and maintain the shape of the pipe. Finally, the extruder is started for molding. The operation is fast and convenient, and the replacement efficiency is high.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quick-change mold device for forming an inflatable hose, characterized in that: The invention comprises a support (1), wherein a molding die (2) is provided at the head of the support (1), wherein the molding die (2) comprises a molding sleeve (21) and a molding inner core (22), wherein a locking mechanism (3) and a support sleeve (4) are provided at the rear of the support (1), wherein the locking mechanism (3) comprises a locking support plate (31), a locking block (33) and a locking handle (35), wherein a feed port (6) is provided at the side of the support (1), and cover plates (5) are provided at the upper and lower parts of the support (1).

2. The inflatable quick-change mold device for hose molding according to claim 1, characterized in that: The forming sleeve (21) is interconnected with the front end of the support (1) through a limiting ring (7); protrusions (211) are evenly distributed at the root of the forming sleeve (21); a corresponding limiting ring (7) is provided with a groove; the protrusion (211) can be inserted into the groove and the forming sleeve (21) is limited after rotation; the head of the forming inner core (22) is conical, the forming inner core (22) is hollow, a slot (221) is provided at the rear of the forming inner core (22), and the inner shell of the slot (221) is inserted into the locking block (33).

3. The inflatable quick-change mold device for hose molding according to claim 2, characterized in that: The outside of the molding sleeve (21) is also surrounded by blind holes (212), and round rods can be inserted into the blind holes (212). An air connection head (222) is provided at the rear of the molding inner core (22).

4. The inflatable quick-change mold device for hose molding according to claim 1, characterized in that: The support sleeve (4) is fixedly connected to the rear of the support (1) via a flange, a heat insulation sleeve (8) is provided inside the support sleeve (4), and the molded inner core (22) passes through the heat insulation sleeve (8).

5. The inflatable quick-change mold device for hose molding according to claim 1, characterized in that: The locking support plate (31) is arranged at the rear of the support sleeve (4), the nut seat (32) is symmetrically fixed on the locking support plate (31), the rear of the locking block (33) is interconnected with the nut seat (32) through a screw rod (34), and the outside of the screw rod (34) is interconnected with the locking handle (35).

6. The inflatable quick-change mold device for hose molding according to claim 1, characterized in that: The locking support plate (31) and the support sleeve (4) are connected via threads; the locking block (33) is a V-shaped block; guide rods are provided on both sides of the rear of the locking block (33); the guide rods pass through the nut seat (32).

Citation Information

Patent Citations

  • Tube extrusion type mold

    CN215661722U