Clamping assembly for glass reinforced plastic pipe demolding

Abstract

A clamping assembly for glass reinforced plastic pipe demolding relates to the technical field of glass reinforced plastic pipe production and processing and comprises a frame, an air cylinder is arranged at the top of the frame, and a connecting rod is hinged to a piston rod of the air cylinder; a first arc-shaped splicing plate, a second arc-shaped splicing plate and a third arc-shaped splicing plate are arranged in the frame, one end of the first arc-shaped splicing plate is hinged to the frame, the other end of the first arc-shaped splicing plate is hinged to the second arc-shaped splicing plate, and the end, away from the first arc-shaped splicing plate, of the second arc-shaped splicing plate is hinged to the third arc-shaped splicing plate. The clamping assembly is arranged to clamp the glass reinforced plastic pipe, manual pipeline locking is not needed, the labor intensity is lowered, and potential safety hazards are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of production and processing of glass fiber reinforced plastic pipes, in particular to a clamping assembly for demoulding glass fiber reinforced plastic pipes. Background Art

[0002] Fiberglass reinforced plastic (FRP) pipes offer excellent corrosion resistance and a long service life, making them widely used in the petroleum, petrochemical, offshore, and marine industries. FRP pipes are typically produced using an internal curing process, which includes winding, curing, demolding, cutting and grinding, thread production, hydrostatic pressure testing, and packaging. Currently, FRP pipes with internal threaded direct connections are often demolded by using a tape wrench to securely lock the pipe before removal. This process requires manual tightening of the pipe with a tape wrench, posing a safety hazard.

[0003] Therefore, it is necessary to propose a clamping assembly for demoulding a glass fiber reinforced plastic pipe to solve the above technical problems. Utility Model Content

[0004] In view of the above shortcomings of the existing technology, the purpose of the present invention is to provide a clamping assembly for demoulding a glass fiber reinforced plastic pipe, which can solve the problem of certain safety hazards when demoulding the existing glass fiber reinforced plastic pipe.

[0005] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0006] A clamping assembly for demolding a glass fiber reinforced plastic pipe comprises a frame, a cylinder is provided at the top of the frame, and a connecting rod is hinged on the piston rod of the cylinder; a first curved splicing plate, a second curved splicing plate and a third curved splicing plate are provided in the frame, one end of the first curved splicing plate is hinged to the frame, and the other end is hinged to the second curved splicing plate, the end of the second curved splicing plate away from the first curved splicing plate is hinged to the third curved splicing plate, and the end of the third curved splicing plate away from the second curved splicing plate is hinged to the end of the connecting rod away from the cylinder.

[0007] Preferably, the connecting rod adopts an L-shaped structure, and the connecting rod is connected to the frame through a pin.

[0008] Preferably, clamping blocks are provided on the inner walls of the first arc-shaped splicing plate, the second arc-shaped splicing plate and the third arc-shaped splicing plate, and anti-slip protrusions are provided on the surfaces of the clamping blocks.

[0009] Preferably, the clamping block is made of metal or rubber.

[0010] Preferably, a limit block is provided at the bottom inner side of the frame, an arc-shaped groove is formed on the limit block, and the second arc-shaped splicing plate is slidably connected in the arc-shaped groove.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention clamps the glass fiber reinforced plastic pipe by arranging a clamping assembly, eliminating the need for manual pipe locking, reducing labor intensity, and avoiding the occurrence of safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] Description of reference numerals:

[0015] 1-frame, 2-cylinder, 3-connecting rod, 4-first arc-shaped splicing plate, 5-second arc-shaped splicing plate, 6-third arc-shaped splicing plate, 7-clamping block, 8-limiting block. DETAILED DESCRIPTION

[0016] The following describes the invention of the present invention in detail by way of examples in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Example

[0017] like Figure 1 As shown, the utility model discloses a clamping assembly for demoulding a glass fiber reinforced plastic pipe, comprising a frame 1, a tilted cylinder 2 is provided on the top of the frame 1, the angle between the tail of the cylinder 2 and the frame 1 is 30°-60°, a connecting rod 3 is hinged on the piston rod of the cylinder 2, the connecting rod 3 adopts an L-shaped structure, and the connecting rod 3 is connected to the frame 1 through a pin; a first arc-shaped splicing plate 4, a second arc-shaped splicing plate 5 and a third arc-shaped splicing plate 6 are provided in the frame 1, one end of the first arc-shaped splicing plate 4 is hinged to the frame 1, and the other end is hinged to the second arc-shaped splicing plate 5, the end of the second arc-shaped splicing plate 5 away from the first arc-shaped splicing plate 4 is hinged to the third arc-shaped splicing plate 6, and the end of the third arc-shaped splicing plate 6 away from the second arc-shaped splicing plate 5 is hinged to the end of the connecting rod 3 away from the cylinder 2.

[0018] Furthermore, in this embodiment, a clamping block 7 is provided on the inner wall of the first arc-shaped splicing plate 4, the second arc-shaped splicing plate 5 and the third arc-shaped splicing plate 6. The material of the clamping block 7 is carbon steel or rubber, and the surface of the clamping block 7 is provided with anti-slip protrusions, which is conducive to firmly clamping the pipeline.

[0019] Further, in the embodiment, the frame 1 is internally provided with a limiting block 8, an arc-shaped recess is formed in the limiting block 8, and the second arc-shaped splicing plate 5 is slidingly connected in the arc-shaped recess. The limiting block 8 is arranged to guide the movement of the arc-shaped splicing plate and avoid deviation.

[0020] Working principle: during demolding, the cylinder 2 extends to drive the connecting rod 3 to rotate, so that the third arc-shaped splicing plate 6 moves towards the first arc-shaped splicing plate 4, and the second arc-shaped splicing plate 5 and the first arc-shaped splicing plate 4 are driven to move when the third arc-shaped splicing plate 6 moves, so that the clamping block 7 is attached to the glass fiber reinforced plastic pipe and clamps the glass fiber reinforced plastic pipe. After the demolding is completed, the cylinder 2 is retracted, and the three arc-shaped splicing plates release the clamping of the glass fiber reinforced plastic pipe.

[0021] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacements or changes according to the technical scheme and application concept of the present application within the technical range disclosed by the present application, and all of them should be covered within the protection scope of the present application.

Claims

1. A clamping assembly for demoulding a glass fiber reinforced plastic pipe, comprising a frame (1), characterized in that: A cylinder (2) is provided on the top of the frame (1), and a connecting rod (3) is hinged on the piston rod of the cylinder (2); a first arc-shaped splicing plate (4), a second arc-shaped splicing plate (5) and a third arc-shaped splicing plate (6) are provided in the frame (1), one end of the first arc-shaped splicing plate (4) is hinged to the frame (1), and the other end is hinged to the second arc-shaped splicing plate (5), the end of the second arc-shaped splicing plate (5) away from the first arc-shaped splicing plate (4) is hinged to the third arc-shaped splicing plate (6), and the end of the third arc-shaped splicing plate (6) away from the second arc-shaped splicing plate (5) is hinged to the end of the connecting rod (3) away from the cylinder (2).

2. A glass fiber reinforced plastic pipe demoulding clamping assembly as claimed in claim 1, characterized in that: The connecting rod (3) adopts an L-shaped structure, and the connecting rod (3) is connected to the frame (1) via a pin.

3. A glass fiber reinforced plastic pipe demoulding clamping assembly as claimed in claim 1, characterized in that: A clamping block (7) is provided on the inner wall of each of the first arc-shaped splicing plate (4), the second arc-shaped splicing plate (5) and the third arc-shaped splicing plate (6), and a surface of the clamping block (7) is provided with an anti-slip protrusion.

4. A glass fiber reinforced plastic pipe demoulding clamping assembly as claimed in claim 3, characterized in that: The material of the clamping block (7) is metal or rubber.

5. The clamping assembly for demoulding a glass fiber reinforced plastic pipe according to claim 1, characterized in that: A limit block (8) is provided at the bottom of the frame (1), an arc-shaped groove is provided on the limit block (8), and the second arc-shaped splicing plate (5) is slidably connected in the arc-shaped groove.

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