CN219988525U

CN219988525U - Variable diameter die for winding large-caliber glass fiber reinforced plastic

Info

Publication number: CN219988525U
Application number: CN202321651766.7U
Authority: CN
Inventors: 孟宪阁; 孙路朋; 王武彬; 陈苗
Original assignee: Jiangxi Copper Group Dexing Industrial Co ltd
Current assignee: Jiangxi Copper Group Dexing Industrial Co ltd
Priority date: 2023-06-27
Filing date: 2023-06-27
Publication date: 2023-11-10
Anticipated expiration: 2033-06-27

Abstract

The utility model discloses a variable diameter die for winding large-caliber glass fiber reinforced plastic, which belongs to the technical field of glass fiber reinforced plastic product manufacturing and has the technical scheme that the variable diameter die comprises a rotating shaft, wherein a plurality of adjustable supports which extend outwards along the radial direction of the rotating shaft are arranged on the side wall of the rotating shaft in an annular array, each adjustable support comprises a fixed rod which is directly connected onto the rotating shaft and a movable rod which is arranged on the fixed rod in a telescopic adjustment manner, a first strip-shaped opening and a second strip-shaped opening are respectively arranged on the fixed rod and the movable rod, the first strip-shaped opening and the second strip-shaped opening are mutually staggered, at least one first fixing piece is arranged at the staggered position of the first strip-shaped opening and the second strip-shaped opening, a notch is arranged at one end of the movable rod far away from the fixed rod, and at least one through opening is arranged on the two side walls of the notch. The diameter-variable die can adjust the inner diameter according to the requirement, is quite convenient to operate, has quite simple overall structure, and has the advantages of light structure and simplicity in operation compared with the traditional diameter-variable die.

Description

Variable diameter die for winding large-caliber glass fiber reinforced plastic

Technical Field

The utility model relates to a manufacturing technology of glass fiber reinforced plastic products, in particular to a variable diameter die for winding large-caliber glass fiber reinforced plastic.

Background

The glass fiber reinforced plastic is a composite material with glass fiber as reinforcing material and synthetic resin as matrix material, and has the advantages of light weight, high strength, corrosion resistance, wear resistance and the like, and is widely applied to the fields of chemical industry, building, traffic and the like. One of the common methods of manufacturing glass fiber reinforced plastic products is winding, i.e., winding a glass fiber ribbon or tube impregnated with resin around a mold surface, curing, and demolding to obtain the desired shape of the product. The winding method is suitable for manufacturing cylindrical, spherical, conical and other symmetrical shaft rotating bodies or glass fiber reinforced plastic products similar to the shaft rotating bodies.

In the winding method, the inner diameter of the mold determines the outer diameter of the wound product, so that it is necessary to select molds of different inner diameters according to different specifications of products. However, if a mold with a fixed inner diameter is provided for each type of product, the number and cost of the mold are increased, and a large storage space is occupied, which is inconvenient for production and management, because the size range of the large-caliber glass fiber reinforced plastic products (such as a storage tank, a pipeline, etc.) is large. Therefore, development of a variable diameter die capable of adjusting the inner diameter as needed is of great importance in improving production efficiency and reducing cost.

Disclosure of Invention

The utility model aims to provide the variable diameter die for winding the large-caliber glass fiber reinforced plastic, which can adjust the inner diameter according to the requirement, is quite convenient to operate, has quite simple integral structure, and has the advantages of light structure and simplicity in operation compared with the traditional variable diameter die.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a be used for winding variable diameter mould of heavy-calibre glass steel, including the pivot, be annular array and install many radial outside adjustable support that stretches out along the pivot on the lateral wall of pivot, adjustable support includes the telescopic adjustment of direct connection in epaxial dead lever of pivot and install the movable rod on the dead lever, first bar mouth and second bar mouth have been seted up on dead lever and the movable rod respectively, first bar mouth and second bar mouth are crisscross each other and be equipped with at least one first mounting in the crisscross position department of two, the breach has been seted up to the one end that the dead lever was kept away from to the movable rod, at least one through-hole has all been seted up on the both sides wall of breach, all form a complete set and have inserted the second mounting in every through-hole, the one end that many adjustable supports were kept away from the pivot is equipped with multi-disc flexible cloth, multi-disc flexible cloth spells into cylindric structure jointly and surrounds all adjustable support and pivot completely, every flexible cloth is all propped up by two adjustable support and tightens up and in the breach, both sides of every flexible cloth are all plugged into in the breach, two ends have all flexible cloth to plug into in every breach into flexible cloth, two ends are tight both ends and will be fixed through the first flexible piece in the two ends.

In some embodiments, the first fastener is a bolt-and-nut assembly.

In some embodiments, the through-penetration is a threaded opening and the second securing member is a mating bolt.

In some embodiments, the fixed rod and the movable rod are both groove-shaped, and the two groove-shaped structures can be overlapped to be placed together for sliding adjustment.

In some embodiments, the flexible cloth is a canvas material.

In some embodiments, at least one reinforcing rod is connected between adjacent fixing rods.

In summary, the utility model has the following beneficial effects:

according to the adjustable support formed by the movable rod and the fixed rod which can be adjusted in a telescopic manner, the flexible adjustment of the inner diameter of the die is realized, the winding requirements of glass fiber reinforced plastic products with different specifications can be met, the universality and the adaptability of the die are improved, the number and the cost of the die are reduced, and the storage space is saved.

The cylindrical structure formed by splicing the flexible cloths is used as the surface of the die, so that the surface of the winding product is smooth, and the quality and appearance of the product are improved. Meanwhile, the length of the flexible cloth is adjusted and seamlessly connected by inserting the surplus length of the flexible cloth into the notch and clamping and fixing the surplus length, so that the flexible cloth can adapt to moulds with different inner diameters, the operation steps are simplified, and the operation difficulty is reduced.

Drawings

FIG. 1 is an overall block diagram of the present utility model;

FIG. 2 is an internal block diagram of the present utility model;

FIG. 3 is a side view of the present utility model;

FIG. 4 is an exploded view of the adjustable bracket of the present utility model;

fig. 5 is an enlarged view at a of fig. 3;

fig. 6 is an enlarged view at B of fig. 4.

In the figure: 1. a rotating shaft; 2. an adjustable bracket; 201. a fixed rod; 202. a first strip port; 203. a movable rod; 204. a second strip port; 205. a first fixing member; 206. a notch; 207. a through hole; 208. a second fixing member; 3. a flexible cloth; 4. and a reinforcing rod.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1-6, the utility model discloses a variable diameter die for winding large-caliber glass fiber reinforced plastic, which comprises a rotating shaft 1, wherein a plurality of adjustable supports 2 extending outwards along the radial direction of the rotating shaft 1 are arranged on the side wall of the rotating shaft 1 in an annular array, each adjustable support 2 comprises a fixed rod 201 directly connected to the rotating shaft 1 and a movable rod 203 which is telescopically arranged on the fixed rod 201, a first strip-shaped opening 202 and a second strip-shaped opening 204 are respectively arranged on the fixed rod 201 and the movable rod 203, the first strip-shaped opening 202 and the second strip-shaped opening 204 are mutually staggered, at least one first fixing piece 205 is arranged at the staggered position of the first strip-shaped opening and the second strip-shaped opening 204, the first fixing piece 205 is a bolt-nut assembly, the movable rod 203 can be fixedly arranged through the first fixing piece 205, and after the first fixing piece 205 is disassembled, the movable rod 203 can be freely telescopic along the length direction of the fixed rod 201, so that the free telescopic adjustment and the fixing of the movable rod 203 can be realized, and the length adjustment of the adjustable support 2 can be realized. The movable rod 203 is far away from the fixed rod 201 and provided with a notch 206, two side walls of the notch 206 are respectively provided with at least one through opening 207, the through openings 207 are threaded openings, and each through opening 207 is internally provided with a second fixing piece 208 in a matched mode, and the second fixing pieces 208 are matched bolts. The one end that many adjustable supports 2 kept away from pivot 1 is equipped with multi-disc flexible cloth 3, and flexible cloth 3 is the canvas material, and multi-disc flexible cloth 3 spells into cylindric structure jointly and surrounds all adjustable supports 2 and pivot 1 completely, and every flexible cloth 3 all is propped open and tighten by two adjacent adjustable supports 2, and in the breach 206 was all plugged into to the both sides of every flexible cloth 3, all plugged into the head and the tail both ends of two flexible cloth 3 in every breach 206 to press from both sides the head and the tail both ends of flexible cloth 3 in with the breach 206 through second mounting 208 tightly fixed. In addition, at least one reinforcing rod 4 is connected between the adjacent fixing rods 201 to play a role in reinforcing the overall structural strength.

The die has the reducing function, and the working principle is as follows: first, each first fixing piece 205 is detached, and each movable rod 203 is sequentially telescopically adjusted to adjust the length of the whole adjustable bracket 2 until the required inner diameter of the die is reached. The respective first fixing members 205 are then reinstalled to fix the movable rod 203, thereby achieving the inner diameter adjustment of the mold. Next, each second fixing member 208 is removed and the length of each piece of flexible cloth 3 inserted into the notch 206 is readjusted until each piece of flexible cloth 3 is readjusted. Finally, each second fixing piece 208 is reinstalled to clamp and fix the end to end ends of the flexible cloth 3 in the notch 206, and at this time, each piece of flexible cloth 3 also adapts to the new inner diameter of the mold, so that seamless and stable splicing of each piece of flexible cloth 3 is realized.

According to the adjustable support formed by the movable rod and the fixed rod which can be adjusted in a telescopic manner, the flexible adjustment of the inner diameter of the die is realized, the winding requirements of glass fiber reinforced plastic products with different specifications can be met, the universality and the adaptability of the die are improved, the number and the cost of the die are reduced, and the storage space is saved. The cylindrical structure formed by splicing the flexible cloths is used as the surface of the die, so that the surface of the winding product is smooth, and the quality and appearance of the product are improved. Meanwhile, the length of the flexible cloth is adjusted and seamlessly connected by inserting the surplus length of the flexible cloth into the notch and clamping and fixing the surplus length, so that the flexible cloth can adapt to moulds with different inner diameters, the operation steps are simplified, and the operation difficulty is reduced.

The technical features and effects related to the present utility model are further described below:

the fixed rod 201 and the movable rod 203 are both groove-shaped, and the two groove-shaped structures can be overlapped and placed together for sliding adjustment. Therefore, the movable rod 203 has a good limiting effect on the fixed rod 201, and the movable rod 203 is prevented from shifting or falling off in the telescoping process.

The first strip-shaped ports 202 and the second strip-shaped ports 204 are staggered with each other and at least one first fixing piece 205 is provided at the staggered position of the two. This allows the first fixing member 205 to pass through the first bar-shaped opening 202 and the second bar-shaped opening 204 at the same time and be screwed and fixed, so that the movable rod 203 and the fixed rod 201 are effectively connected together, and the first fixing member 205 can be installed at different staggered positions according to the requirement, so as to achieve adjustment of different lengths.

The through opening 207 is a threaded opening and the second securing member 208 is a mating bolt. This allows the second fixing member 208 to be screwed into the through-hole 207 and only hold the flexible cloth 3 in the notch 206 against, so as to fix the flexible cloth 3, and the second fixing member 208 can be screwed into different depths according to the requirement, so as to achieve adjustment of different lengths.

The flexible cloth 3 is made of canvas. Therefore, the flexible cloth 3 has the characteristics of higher strength, wear resistance, corrosion resistance and the like, can bear the pressure and friction generated in the winding process of the glass fiber reinforced plastic, and has longer service life.

At least one reinforcing rod 4 is connected between adjacent fixing rods 201. Thus, the whole die structure is more stable and firm, and the rotating shaft 1 can be prevented from bending or deforming in the rotating process.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. The utility model provides a variable diameter mould for heavy-calibre glass steel winding, includes pivot (1), its characterized in that: the side wall of the rotating shaft (1) is provided with a plurality of adjustable supports (2) which extend outwards along the radial direction of the rotating shaft (1) in an annular array, each adjustable support (2) comprises a fixed rod (201) which is directly connected to the rotating shaft (1) and a movable rod (203) which is telescopically arranged on the fixed rod (201), one end of each adjustable support (2) far away from the rotating shaft (1) is provided with a plurality of pieces of flexible cloth (3), the first strip-shaped openings (202) and the second strip-shaped openings (204) are staggered with each other, at least one first fixing piece (205) is arranged at the staggered position of each first strip-shaped opening (202) and the second strip-shaped opening (204), one end of each movable rod (203) far away from the fixed rod (201) is provided with a notch (206), two side walls of each notch (206) are provided with at least one through opening (207), one end of each through opening (207) is provided with a plurality of pieces of flexible cloth (3) which are matched and are inserted in a plurality of pieces of flexible cloth (3) together, all pieces of flexible cloth (3) can be tightly connected to each adjustable support (2) and each piece (2) can be fully enclosed by two adjacent flexible pieces of flexible pieces (2) which can be tightly connected to each adjacent flexible piece (2), two ends of the flexible cloth (3) are plugged into each notch (206), and the two ends of the flexible cloth (3) in the notches (206) are clamped and fixed through the second fixing pieces (208).

2. The variable diameter die for winding large-caliber glass fiber reinforced plastic according to claim 1, wherein the variable diameter die comprises the following components: the first fixing piece (205) is a bolt and nut assembly.

3. The variable diameter die for winding large-caliber glass fiber reinforced plastic according to claim 1, wherein the variable diameter die comprises the following components: the through hole (207) is a threaded hole, and the second fixing piece (208) is a matched bolt.

4. The variable diameter die for winding large-caliber glass fiber reinforced plastic according to claim 1, wherein the variable diameter die comprises the following components: the fixed rod (201) and the movable rod (203) are both groove-shaped, and the two groove-shaped structures can be overlapped and placed together for sliding adjustment.

5. The variable diameter die for winding large-caliber glass fiber reinforced plastic according to claim 1, wherein the variable diameter die comprises the following components: the flexible cloth (3) is made of canvas.

6. The variable diameter die for winding large-caliber glass fiber reinforced plastic according to claim 1, wherein the variable diameter die comprises the following components: at least one reinforcing rod (4) is connected between the adjacent fixing rods (201).