Winding tool capable of adjusting internal pressure

Abstract

The utility model discloses a winding tool capable of adjusting internal pressure, which belongs to the technical field of forming tools and comprises a rotating shaft, a shell, a front-end flange and a rear-end flange, the rear-end flange is fixedly arranged on the right side of the rotating shaft, and the front-end flange is arranged on the left side of the rotating shaft; the shell is arranged on the rotating shaft, one end of the shell is connected with the rear end flange in a sealed mode, the other end of the shell is connected with the front end flange in a sealed mode, an air channel is formed in the rotating shaft, an air inlet hole is formed in the position, located on the outer side of the shell, of the rotating shaft, and an air outlet hole is formed in the position, located in the shell, of the rotating shaft. And the air inlet hole and the air outlet hole are respectively communicated with the air passage. According to the winding forming tool, deformation of the shell in the winding forming tool caused by winding tension force can be avoided, the production efficiency of winding products is improved, and damage to the shell in the production and manufacturing process is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of molding tooling, in particular to a winding tooling capable of adjusting internal pressure. Background Art

[0002] With the continuous development and application of composite material forming technology, among various composite material forming processes, fiber winding forming has become the first choice for composite material forming due to its advantages such as high production efficiency and stable technical status. For example, fiber winding forming technology is widely used in composite hydrogen cylinders, composite pipes and composite engine casings; among them, winding forming tooling is mainly aimed at the winding forming production and production of these shell products, but the product will generate tension during the winding process. The winding tension will cause the deformation of the shell in the winding forming tooling, causing damage to the shell, reducing the efficiency of the installation and production of the winding product tooling. Summary of the invention

[0003] The main purpose of the utility model is to solve the above-mentioned technical problems to a certain extent, and to propose a winding tooling that can adjust the internal pressure, so as to avoid the deformation of the shell in the winding molding tooling due to the winding tension, improve the production efficiency of the winding products, and reduce the damage to the shell caused by the production process.

[0004] The above-mentioned problem to be solved by the utility model is achieved through the following technical solutions:

[0005] A winding tool capable of adjusting internal pressure is proposed, comprising a rotating shaft, a shell, a front flange and a rear flange, wherein the rear flange is fixedly arranged on the right side of the rotating shaft, and the front flange is arranged on the left side of the rotating shaft; the shell is arranged on the rotating shaft, one end of which is sealedly connected to the rear flange, and the other end is sealedly connected to the front flange, so that the rotating shaft, the shell, the front flange and the rear flange rotate together;

[0006] An air passage is provided inside the rotating shaft, an air inlet is provided at a position of the rotating shaft located outside the shell, and an air outlet is provided at a position of the rotating shaft located inside the shell. The air inlet and the air outlet are respectively connected to the air passage, wherein the air inlet is connected to a pipeline of an air pressure regulating device arranged outside, and the interior of the shell is inflated and deflated through the air pressure regulating device to keep the pressure inside and outside the shell balanced.

[0007] In some embodiments, the air pressure regulating device includes an air supply valve, a pressure gauge and a pressure relief valve. The air supply valve is connected to the air inlet pipe, and the pressure gauge and the pressure relief valve are respectively connected to the air supply valve pipe.

[0008] In some embodiments, the rotating shaft and the rear end flange are integrally formed.

[0009] In some embodiments, a first keyway is provided on the outer side of the rotating shaft, and a second keyway matching the first keyway is provided on the front end flange.

[0010] In some embodiments, the rear end flange is provided with a mounting boss, and the shell is sealingly connected to the mounting boss.

[0011] In some embodiments, the shell includes a front seat, a rear seat and an outer shell, the front seat is sealed to the front end flange, the rear seat is sealed to the rear end flange, and both ends of the outer shell are sealed to the front seat and the rear seat respectively, so that the interior of the shell is a sealed structure.

[0012] The above technical solution provided by this application has the following advantages compared with the prior art:

[0013] The utility model is composed of a rotating shaft, a shell, a front end flange and a rear end flange, which are assembled into one body with a set air pressure regulating device. During the winding process, the shell is inflated and deflated through the air pressure regulating device to keep the pressure inside and outside the shell balanced, and the tension force of the product during the winding process is borne by the pressure of the gas inside the shell, thereby avoiding deformation of the shell due to the winding tension force, improving the production efficiency of the wound product, and reducing the damage to the shell caused by the production process. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0015] Figure 1 This is a structural diagram of the winding tooling capable of adjusting the internal pressure of the utility model;

[0016] Figure 2 This is a structural diagram of the housing of the utility model;

[0017] Figure 3 This is a structural diagram of the winding tooling capable of adjusting the internal pressure of the utility model;

[0018] Figure 4 This is a structural diagram of a winding tool capable of adjusting internal pressure according to the utility model.

[0019] Description of Figure Numbers:

[0020] 1-rotating shaft; 2-housing; 201-front seat; 202-rear seat; 203-housing; 3-front end flange; 4-rear end flange; 7-airway; 8-air inlet; 9-air outlet; 10-air supply valve; 11-pressure gauge; 12-pressure relief valve; 13-first keyway; 14-second keyway. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0023] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0024] like Figure 1-4As shown, the utility model proposes a winding tool capable of adjusting internal pressure, comprising a rotating shaft 1, a shell 2, a front end flange 3 and a rear end flange 4, wherein the rear end flange 4 is arranged on the right side of the rotating shaft 1, wherein the rotating shaft 1 and the rear end flange 4 are integrally formed, and the front end flange 3 is arranged on the left side of the rotating shaft 1; the shell 2 is arranged on the rotating shaft 1, and the shell 2 comprises a front seat 201, a rear seat 202 and an outer shell 203, the rear seat 202 is sealedly connected to the mounting boss set on the rear end flange 4, the front seat 201 is sealedly connected to the front end flange 3, and the two ends of the outer shell 203 are respectively sealedly connected to the front seat 201 and the rear seat 202, so that the interior of the shell 2 is a sealed structure, and the rotating shaft 1, the shell 2, the front end flange 3 and the rear end flange 4 rotate together.

[0025] Further, such as Figure 4 As shown, an air passage 7 is provided inside the rotating shaft 1, an air inlet 8 is provided at a position of the rotating shaft 1 located outside the shell 2, and an air outlet 9 is provided at a position of the rotating shaft 1 located inside the shell 2. The air inlet 8 and the air outlet 9 are respectively connected to the air passage 7, wherein the air inlet 8 is connected to a pipeline of an air pressure regulating device arranged outside; wherein the air pressure regulating device comprises an air supply valve 10, a pressure gauge 11 and a pressure relief valve 12, the air supply valve 10 is connected to the air inlet 8 pipeline, the pressure gauge 11 and the pressure relief valve 12 are respectively connected to the air supply valve 10 pipeline; the gas pressure inside the shell 2 is displayed by the pressure gauge 11, the air supply valve 10 is used to supplement the air pressure into the shell 2, and the pressure relief valve 12 is used to release the air pressure in the shell 2, thereby inflating and deflating the inside of the shell 2, so that the pressure inside and outside the shell 2 is kept balanced to meet the adjustment of the internal air pressure.

[0026] In this embodiment, the rotating shaft 1, the shell 2, the front end flange 3 and the rear end flange 4 are assembled into a winding tool and an air pressure regulating device. During the winding process, the shell 2 is inflated and deflated through the air pressure regulating device to keep the pressure inside and outside the shell 2 balanced. The pressure of the gas inside the shell 2 bears the tension force during the product winding process, thereby avoiding deformation of the shell 2 due to the winding tension force, improving the efficiency of the production of wound products, and reducing damage to the shell 2 during the production process.

[0027] Furthermore, a first keyway 13 is provided on the outer side of the rotating shaft 1, and a second keyway 14 matching the first keyway 13 is provided on the front end flange 3. The rotating shaft 1 and the front end flange 3 can be connected by a pin key to ensure the connection with the front end flange 3 and the transmission of rotational torque.

[0028] The above are only preferred embodiments of the present invention, and do not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A winding tool capable of adjusting internal pressure, characterized in that: It comprises a rotating shaft, a housing, a front end flange and a rear end flange, wherein the rear end flange is fixedly arranged on the right side of the rotating shaft, and the front end flange is arranged on the left side of the rotating shaft; the housing is arranged on the rotating shaft, one end of which is sealedly connected to the rear end flange, and the other end is sealedly connected to the front end flange, so that the rotating shaft, the housing, the front end flange and the rear end flange rotate together; An air passage is provided inside the rotating shaft, an air inlet is provided at a position of the rotating shaft located outside the shell, and an air outlet is provided at a position of the rotating shaft located inside the shell. The air inlet and the air outlet are respectively connected to the air passage, wherein the air inlet is connected to a pipeline of an air pressure regulating device arranged outside, and the interior of the shell is inflated and deflated through the air pressure regulating device to keep the pressure inside and outside the shell balanced.

2. The winding tool capable of adjusting internal pressure according to claim 1, characterized in that: The air pressure regulating device comprises an air supply valve, an air pressure gauge and a pressure relief valve. The air supply valve is communicated with the air inlet pipe, and the air pressure gauge and the pressure relief valve are respectively communicated with the air supply valve pipe.

3. The winding tool capable of adjusting internal pressure according to claim 1, characterized in that: The rotating shaft and the rear end flange are integrally formed.

4. The winding tool capable of adjusting internal pressure according to claim 1, characterized in that: A first key groove is provided on the outer side of the rotating shaft, and a second key groove matching the first key groove is provided on the front end flange.

5. The winding tool capable of adjusting internal pressure according to claim 1, characterized in that: The rear end flange is provided with a mounting boss, and the shell is sealedly connected to the mounting boss.

6. The winding tool capable of adjusting internal pressure according to claim 1, characterized in that: The shell comprises a front seat, a rear seat and an outer shell, the front seat is sealed to the front flange, the rear seat is sealed to the rear flange, and both ends of the outer shell are sealed to the front seat and the rear seat respectively, so that the interior of the shell is a sealed structure.

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