Lightweight stackable fiber composite material cylinder and forming method

Abstract

The invention provides a lightweight stackable fiber composite material cylinder and a forming method, and belongs to the field of fiber composite material design and manufacturing. The problems of light weight, rigidity, straightness and column loading stability of the large-length-diameter-ratio cylinder and the problems of storage and transportation turnover during batch demand are solved, the light weight of the large-length-diameter-ratio cylinder is achieved, the problem of integral forming of the large-length-diameter-ratio stackable fiber composite material cylinder is solved, column loading is stable, cost is reduced, efficiency is improved, and the large-length-diameter-ratio stackable fiber composite material cylinder is suitable for large-length-diameter-ratio stackable fiber composite material cylinders. And the requirements of batch storage and transportation are met. The fiber composite material cylinder comprises a fiber composite material cylinder body and a plurality of reinforcing frames, the periphery of the fiber composite material cylinder body is sleeved with the reinforcing frames, the outer walls, in the four perpendicular directions, of the reinforcing frames are planes, and the planes are stacking faces. The large-length-diameter-ratio cylinder is formed through the fiber composite material, the reinforcing frame is designed at the weak supporting position, and the rigidity and straightness of the large-length-diameter-ratio cylinder are guaranteed.

Description

Technical Field

[0001] The present invention belongs to the field of design and manufacture of fiber composite materials, and particularly relates to a lightweight stackable fiber composite cylinder and a forming method thereof. Background Art

[0002] Fiber composite materials are increasingly used in various industries due to their excellent properties of light weight and high strength. The forming processes and methods of fiber composite products with different characteristics are also different. Traditional materials such as metals and ceramics are not restricted by the processing direction due to their isotropy, but they also lose the design flexibility of the materials. Fiber composite materials are anisotropic compared with traditional materials, with strong designability, can give full play to the design performance of the materials, and can achieve the lightweight design of products to the greatest extent, and are widely used in the design and manufacture of fiber composite products.

[0003] For fiber composite cylinders, especially those with a large length-diameter ratio, it is often necessary to ensure stiffness and straightness during use, and multiple products need to be stacked and used simultaneously to ensure the loading capacity and long service life. At the same time, when there is a large batch demand, there are also problems of storage during production and the one-time turnover volume and efficiency during transportation and turnover. This poses requirements for how to ensure the stiffness and straightness of large length-diameter ratio cylinders while achieving stable stacking and batch production storage and efficient transportation. Summary of the Invention

[0004] In view of this, the present invention provides a lightweight stackable fiber composite cylinder and a forming method thereof to solve the problems of lightweight, stiffness, straightness and stacking stability of large length-diameter ratio cylinders, as well as storage and transportation turnover problems during batch demand, realizing the lightweight of large length-diameter ratio cylinders, solving the problem of integral forming of large length-diameter ratio stackable fiber composite cylinders, with stable stacking, cost reduction and efficiency increase, and meeting the requirements of batch storage and transportation.

[0005] To achieve the above object, the present invention adopts the following technical solutions: A lightweight stackable fiber composite cylinder includes a fiber composite cylinder body and a plurality of reinforcing frames. The plurality of reinforcing frames are sleeved on the outer periphery of the fiber composite cylinder body, and the outer walls of the four mutually perpendicular directions of the reinforcing frames are planes, and the planes are stacking surfaces.

[0006] Furthermore, the fiber composite cylinder body and the plurality of reinforcing frames are integrally formed by winding.

[0007] Furthermore, the fiber composite cylinder body is wound with carbon fiber T700.

[0008] A forming tool for the lightweight stackable fiber composite cylinder described above, comprising a mold, a positioning tool, a cutting plate and a backing plate. The mold is used for winding and forming the fiber composite cylinder body. The positioning tool is used for positioning to ensure that the position lines of the backing plate and the reinforcing frame are aligned with the quadrant position lines of the mold. The backing plate and the cutting plate cooperate with each other to cut the excess thickness part of the reinforcing frame.

[0009] Furthermore, the positioning tool includes a head, a middle connecting part and an upper connecting part. The head and the upper connecting part are respectively connected to the middle connecting part in two opposite directions. One end of the upper connecting part is provided with a quadrant groove, in which a positioning line is arranged, and the other end is provided with a left position line and a right position line.

[0010] Furthermore, the backing plate includes a backing plate body, a left first position line, a right first position line, a left stop and a right stop. The left first position line and the right first position line are symmetrically arranged on the left and right sides of the backing plate body respectively. Grooves are arranged at the front and back in the middle of the backing plate body, and the left and right ends of the grooves are the left stop and the right stop respectively.

[0011] Furthermore, the cutting plate includes a body, a positioning groove, a left fixing block, a right fixing block, a first stop and a second stop. A positioning groove is arranged in the middle of the body, and the two ends of the positioning groove are the first stop and the second stop respectively. The left fixing block and the right fixing block are arranged outside the first stop and the second stop respectively.

[0012] Furthermore, the mold is cylindrical, and rotating shafts are installed at both ends. Quadrant position lines of quadrants I, II, III, and IV are arranged at both ends of the cylindrical body of the mold.

[0013] Furthermore, 4 backing plates and 4 cutting plates are provided.

[0014] A forming method for the lightweight stackable fiber composite cylinder described above specifically includes the following steps:

[0015] Step 1: Wind and form the fiber composite cylinder body on the mold;

[0016] Step 2: Align the quadrant groove of the positioning tooling with the left quadrant position line at the II quadrant position of the mold. Align the left quadrant position line and the alignment line. Align the inner sides of the left identification sticker or the right identification sticker with the left position line and the right position line respectively, and place them along the positioning tooling. Remove the positioning tooling, rotate the winding machine, and wind the fiber around the circumferential direction of the fiber composite cylinder body for one circle starting from the inner end of the left identification sticker as the left position line of the reinforcement frame of the reinforcement frame. Wind the fiber around the circumferential direction of the fiber composite cylinder body for one circle starting from the inner end of the right identification sticker as the right position line of the reinforcement frame of the reinforcement frame. Remove the left identification sticker or the right identification sticker, hold the end, place the positioning tooling at the left end of the mold, rotate the winding machine, and use the left position line and the right position line to check and correct the left position line of the reinforcement frame and the right position line of the reinforcement frame of the reinforcement frame respectively to complete the positioning of the reinforcement frame position;

[0017] Step 3: Wind the left bottom layer of the reinforcement frame within the areas of the left position line of the reinforcement frame and the right position line of the reinforcement frame. As the thickness of the reinforcement frame increases, there will be a downward slide of the wound fiber at both ends, and the boundary of the wound reinforcement frame will overflow outward beyond the left position line of the reinforcement frame and the right position line of the reinforcement frame;

[0018] Step 4: Align the quadrant groove of the positioning tooling with the left quadrant position line at the II quadrant position of the mold. Align the left quadrant position line and the alignment line. Align the inner sides of the left identification sticker or the right identification sticker with the left position line and the right position line respectively, and place them along the positioning tooling. Remove the positioning tooling, place the backing plate at the left reinforcement frame along the bottom end of the left identification sticker or the right identification sticker, adjust the left first position line of the backing plate to align with the inner side of the left identification sticker, adjust the right first position line of the backing plate to align with the inner side of the right identification sticker, remove the identification sticker, and complete the placement of the remaining 3 backing plates at the other three quadrants in sequence;

[0019] Step 5: Continue to wind the reinforcement frame within the reinforcement frame area to a certain thickness.

[0020] Step 6: Start wrapping the fiber cloth from the III quadrant. When rotating to the position where the II quadrant is directly above, relax the fiber bundle and place it outside the reinforcement frame area. Place the cutting plate on the backing plate, install the right fixing block at the right stop, install the left fixing block at the left stop. The positioning groove of the cutting plate corresponds to the cutting groove of the backing plate, cut the fiber layer on the backing plate along the positioning groove, remove the cutting plate, take out the backing plate, smooth the fiber at the cut end, continue to rotate the winding machine, wrap the fiber cloth, and complete the cutting of the fiber and the removal of the backing plate at the I, III, and IV quadrants in sequence according to the above method. Wrap the fiber cloth circumferentially for one layer, and continue to wind the reinforcement frame to the designed thickness to complete the forming of the left reinforcement frame;

[0021] Step 7: Form the right reinforcement frame according to Steps 2 - 6;

[0022] Step 8: After curing is completed, the fiber composite cylinder is machined. Chamfering is performed at both ends of the stiffening frame, and stacking surfaces are machined axially at corresponding positions in the I, II, III, and IV quadrants, completing the preparation of the stackable fiber composite cylinder.

[0023] Compared with the prior art, the beneficial effects of the lightweight stackable fiber composite cylinder and its forming method of the present invention are as follows:

[0024] (1) By forming the cylinder with carbon fiber composite materials in the present invention, the weight is reduced by 42%, achieving the lightweight of the cylinder.

[0025] (2) By forming a large aspect ratio cylinder with fiber composite materials in the present invention and designing a stiffening frame at the weak supporting parts, the stiffness and straightness of the large aspect ratio cylinder are ensured.

[0026] (3) The stackable stiffening frame and the cylinder body of the present invention are integrally formed, with stable structure and performance. During the forming process, a prestress release design is carried out on the fibers of the machined part, and no stress concentration and deformation will occur during processing and product use, ensuring the performance stability of the product and the stability of the machining process.

[0027] (4) The products of the present invention can be stacked in all four quadrants, ensuring the stability of column installation, reducing costs and increasing efficiency, and meeting the requirements of batch storage and efficient transportation. Description of the Drawings

[0028] The drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings:

[0029] Figure 1 is the main view after machining of a lightweight stackable fiber composite cylinder of the present invention;

[0030] Figure 2 is the schematic A-A cross-sectional view of the stiffening frame;

[0031] Figure 3 is the schematic view after forming the composite material body cylinder of a lightweight stackable fiber composite cylinder of the present invention;

[0032] Figure 4 is the main view of the positioning tooling of a lightweight stackable fiber composite cylinder of the present invention;

[0033] Figure 5 is the top view of the positioning tooling of a lightweight stackable fiber composite cylinder of the present invention;

[0034] Figure 6Schematic diagram of the positioning label for the reinforcement frame of a lightweight stackable fiber composite cylinder according to the present invention;

[0035] Figure 7 is Figure 6 partial enlarged view;

[0036] Figure 8 Schematic diagram of the position line of the reinforcement frame area of a lightweight stackable fiber composite cylinder according to the present invention;

[0037] Figure 9 Schematic diagram after the bottom of the reinforcement frame of a lightweight stackable fiber composite cylinder according to the present invention is formed;

[0038] Figure 10 Schematic diagram of the repositioning label for the reinforcement frame area of a lightweight stackable fiber composite cylinder according to the present invention;

[0039] Figure 11 Schematic diagram of the backing plate of a lightweight stackable fiber composite cylinder according to the present invention;

[0040] Figure 12 is Figure 11 view in the direction of B - B of

[0041] Figure 13 Schematic diagram of the position of the backing plate coordinating with the reinforcement frame of a lightweight stackable fiber composite cylinder according to the present invention;

[0042] Figure 14 Schematic diagram of the formation of the prestress - releasing reinforcement frame of a lightweight stackable fiber composite cylinder according to the present invention;

[0043] Figure 15 Front view of the cutting plate of a lightweight stackable fiber composite cylinder according to the present invention;

[0044] Figure 16 is Figure 15 view in the direction of C - C of;

[0045] Figure 17 is Figure 15 view in the direction of D - D of;

[0046] Figure 18 Schematic diagram of the coordination of the cutting plate of a lightweight stackable fiber composite cylinder according to the present invention;

[0047] Figure 19 E - E cross - sectional view and partial enlarged schematic diagram of a lightweight stackable fiber composite cylinder according to the present invention;

[0048] Figure 20Schematic diagram of the chamfered composite cylinder reinforcing frame of a lightweight stackable fiber composite cylinder according to the present invention;

[0049] Figure 21 Stacking array schematic diagram of a lightweight stackable fiber composite cylinder according to the present invention.

[0050] Wherein: 1 - mold, 2 - composite material cylinder, 3 - left reinforcing frame, 4 - right reinforcing frame, 5 - left stacking surface, 6 - right stacking surface, 7 - left quadrant position line, 8 - right quadrant position line, 9 - reinforcing frame, 10 - positioning tooling, 11 - alignment line, 12 - quadrant groove, 13 - end, 14 - left position line, 15 - right position line, 16 - left mark, 17 - right mark, 18 - backing plate, 19 - left first position line, 20 - right first position line, 21 - cutting groove, 22 - left rabbet, 23 - right rabbet, 24 - cutting plate, 25 - clamping block, 26 - positioning groove, 27 - left fixing block, 28 - right fixing block, 29 - first rabbet, 30 - second rabbet, 31 - reinforcing cloth, 32 - fiber bundle, 33 - fiber composite cylinder body, 34 - left position line of the reinforcing frame, 35 - right position line of the reinforcing frame. Specific embodiments

[0051] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. It should be noted that, without conflict, the embodiments in the present invention and the features in the embodiments can be combined with each other. The described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments.

[0052] See Figure 1-21 Describing this embodiment, a lightweight stackable fiber composite cylinder includes a fiber composite cylinder body 33 and a plurality of reinforcing frames. The plurality of reinforcing frames are sleeved on the outer periphery of the fiber composite cylinder body 33, and the outer walls of the four mutually perpendicular directions of the reinforcing frames are planes, and the planes are stacking surfaces.

[0053] The fiber composite cylinder body 33 and the plurality of reinforcing frames are integrally formed by winding.

[0054] The fiber composite cylinder body 33 is wound with carbon fiber T700.

[0055] The lightweight stackable fiber composite cylinder described in the present invention is mainly used as a protective shell, and various structures will be installed inside it, and reinforcing frames will be installed at the weak supporting links where stress concentration occurs.

[0056] A forming tool for a lightweight stackable fiber composite cylinder, comprising a mold 1, a positioning tool 10, a cutting plate 24 and a backing plate 18. The mold 1 is used for winding and forming the fiber composite cylinder body 33. The positioning tool 10 is used for positioning to ensure that the position lines of the backing plate 18 and the reinforcing frame are aligned with the quadrant position lines of the mold 1. The backing plate 18 and the cutting plate 24 cooperate with each other to cut the excess thickness part of the reinforcing frame. Both the backing plate 18 and the cutting plate 24 are provided with 4 pieces.

[0057] The positioning tool 10 includes a head 13, a middle connecting part and an upper connecting part. The head 13 and the upper connecting part are respectively connected to the middle connecting part in two opposite directions. One end of the upper connecting part is provided with a quadrant groove 12, in which a positioning line 11 is arranged, and the other end is provided with a left position line 14 and a right position line 15, as Figure 4-5 shown.

[0058] The backing plate 18 includes a backing plate body, a left first position line 19, a right first position line 20, a left stop 22 and a right stop 23. The left first position line 19 and the right first position line 20 are symmetrically arranged on the left and right sides of the backing plate body respectively. Grooves are arranged at the front and back of the middle of the backing plate body, and the left and right ends of the grooves are the left stop 22 and the right stop 23 respectively, as Figure 11-12 shown.

[0059] The cutting plate 24 includes a body, a positioning groove 26, a left fixing block 27, a right fixing block 28, a first stop 29 and a second stop 30. A positioning groove 26 is arranged in the middle of the body. The two ends of the positioning groove 26 are the first stop 29 and the second stop 30 respectively. The left fixing block 27 and the right fixing block 28 are respectively arranged outside the first stop 29 and the second stop 30, as Figure 15 、 16 、17 shown.

[0060] The mold 1 is cylindrical and is installed with rotating shafts at both ends. Quadrant position lines of quadrants I, II, III, and IV are arranged at both ends of the cylindrical body of the mold 1, as Figure 3 shown.

[0061] A forming method for a lightweight stackable fiber composite cylinder specifically includes the following steps:

[0062] Step 1: Wind and form the fiber composite cylinder body 33 on the mold 1;

[0063] Step 2: Align the quadrant slot 12 of the positioning tooling 10 with the left quadrant position line 7 at the II quadrant position of the mold 1, align the left quadrant position line 7 and the alignment line 11, align the inner sides of the left identification sticker 16 or the right identification sticker 17 with the left position line 14 and the right position line 15 respectively, and place them along the positioning tooling 10; remove the positioning tooling 10, rotate the winding machine, and wind a fiber around the circumference of the fiber composite material cylinder body 33 starting from the inner end of the left identification sticker 16 as the left position line 34 of the reinforcement frame of the reinforcement frame, and wind a fiber around the circumference of the fiber composite material cylinder body 33 starting from the inner end of the right identification sticker 17 as the right position line 35 of the reinforcement frame of the reinforcement frame; remove the left identification sticker 16 or the right identification sticker 17, hold the end 13 by hand, place the positioning tooling 10 at the left end of the mold 1, rotate the winding machine, and check and correct the left position line 34 and the right position line 35 of the reinforcement frame of the reinforcement frame with the left position line 14 and the right position line 15 respectively to complete the positioning of the reinforcement frame position;

[0064] Step 3: Wind the left bottom layer of the reinforcement frame in the areas of the left position line 34 and the right position line 35 of the reinforcement frame. As the thickness of the reinforcement frame increases, the wound fibers will slide down at both ends, and the boundary of the wound reinforcement frame will overflow outward from the left position line 34 and the right position line 35 of the reinforcement frame;

[0065] Step 4: Align the quadrant slot 12 of the positioning tooling 10 with the left quadrant position line 7 at the II quadrant position of the mold 1, align the left quadrant position line 7 and the alignment line 11, align the inner sides of the left identification sticker 16 or the right identification sticker 17 with the left position line 14 and the right position line 15 respectively, and place them along the positioning tooling 10; remove the positioning tooling 10, place the backing plate 18 along the bottom end of the left identification sticker 16 or the right identification sticker 17 at the left reinforcement frame 3, adjust the left first position line 19 of the backing plate 18 to align with the inner side of the left identification sticker 16, adjust the right first position line 20 of the backing plate 18 to align with the inner side of the right identification sticker 17, remove the identification sticker, and complete the placement of the remaining 3 backing plates 18 at the other three quadrants in sequence;

[0066] Step 5: Continue to wind the reinforcement frame in the reinforcement frame area to a certain thickness.

[0067] Step 6: Starting from the third quadrant, wrap the fiber cloth 31. When it rotates to the second quadrant and is directly above, loosen the fiber bundle and place it outside the reinforcing frame area. Place the cutting plate 24 on the backing plate 18. Snap the right fixing block 27 onto the left stop 22 and snap the left fixing block 28 onto the right stop 23. The positioning groove 26 of the cutting plate 24 corresponds to the cutting groove 21 of the backing plate 18. Cut the fiber layer on the backing plate 18 along the positioning groove 26. Remove the cutting plate 24 and take out the backing plate 18. Smooth the fibers at the cut. Continue to rotate the winding machine, wrap the fiber cloth 31, and successively complete the cutting of the fibers at the first, third, and fourth quadrants and the removal of the backing plate 18 according to the above method. Wrap the fiber cloth 31 circumferentially for one layer, continue to wind the reinforcing frame to the designed thickness, and complete the forming of the left reinforcing frame 3. This step is to release the prestress;

[0068] Step 7: According to Steps 2-6, form the right reinforcing frame 4;

[0069] Step 8: After curing, machine the fiber composite cylinder. Chamfer the two ends of the reinforcing frame, and perform stacking surface machining axially at the corresponding first, second, third, and fourth quadrants respectively to complete the preparation of the stackable fiber composite cylinder 2.

[0070] The embodiments of the present invention disclosed above are only used to help illustrate the present invention. The embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. According to the content of this specification, many modifications and changes can be made. These embodiments are selected and specifically described in this specification to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention.

Claims

1. A lightweight collapsible fiber composite cylinder, characterized in that: It includes a fiber composite material cylinder body (33) and a number of reinforcing frames. The number of reinforcing frames is sleeved on the outer periphery of the fiber composite material cylinder body (33), and the outer walls of the four mutually perpendicular directions of the reinforcing frame are planes, and the planes are stacking surfaces.

2. The lightweight stackable fiber composite cylinder according to claim 1, wherein: The fiber composite material cylinder body (33) and a number of reinforcing frames are integrally formed by winding.

3. The lightweight stackable fiber composite material cylinder according to claim 1, wherein: The fiber composite material cylinder body (33) is wound with carbon fiber T700.

4. A forming tooling for a lightweight stackable fiber composite cylinder as described in claim 1, characterized in that: It includes a mold (1), a positioning tooling (10), a cutting plate (24) and a backing plate (18). The mold (1) is used for the winding and forming of the fiber composite material cylinder body (33). The positioning tooling (10) is used for positioning to ensure that the position lines of the backing plate (18) and the reinforcing frame are aligned with the quadrant position lines of the mold (1). The backing plate (18) and the cutting plate (24) cooperate with each other to cut the excess thickness part of the reinforcing frame.

5. The forming tooling for the lightweight stackable fiber composite cylinder according to claim 4, characterized in that: The positioning tooling (10) includes a head (13), a middle connecting part and an upper connecting part. The head (13) and the upper connecting part are respectively connected to the middle connecting part in two opposite directions. One end of the upper connecting part is provided with a quadrant groove (12), a positioning line (11) is arranged in the quadrant groove (12), and the other end is provided with a left position line (14) and a right position line (15).

6. The forming tooling for the lightweight stackable fiber composite cylinder according to claim 4, characterized in that: The backing plate (18) includes a backing plate body, a left first position line (19), a right first position line (20), a left stop (22) and a right stop (23). The left and right sides of the backing plate body are symmetrically provided with a left first position line (19) and a right first position line (20) respectively. Grooves are arranged in the front and back of the middle of the backing plate body, and the left and right ends of the grooves are respectively a left stop (22) and a right stop (23).

7. The forming tooling for the lightweight stackable fiber composite cylinder according to claim 4, characterized in that: The cutting plate (24) includes a body, a positioning groove (26), a left fixing block (27), a right fixing block (28), a first stop (29) and a second stop (30). A positioning groove (26) is arranged in the middle of the body. The two ends of the positioning groove (26) are respectively a first stop (29) and a second stop (30). A left fixing block (27) and a right fixing block (28) are respectively arranged outside the first stop (29) and the second stop (30).

8. The forming tooling for the lightweight stackable fiber composite cylinder according to claim 4, characterized in that: The mold (1) is cylindrical, and rotating shafts are installed at both ends. Quadrant position lines of quadrants I, II, III, and IV are arranged at both ends of the cylindrical body of the mold (1).

9. The forming tooling for the lightweight stackable fiber composite cylinder according to claim 4, wherein: There are 4 backing plates (18) and 4 cutting plates (24) respectively.

10. A forming method of the lightweight stackable fiber composite cylinder as described in claim 1, characterized in that: Specifically, it includes the following steps: Step 1: Wind and form the fiber composite material cylinder body (33) on the mold (1); Step 2: Align the quadrant groove (12) of the positioning tooling (10) with the left quadrant position line (7) at the II quadrant position of the mold (1). Align the left quadrant position line (7) and the alignment line (11). Align the inner sides of the left identification sticker (16) or the right identification sticker (17) with the left position line (14) and the right position line (15) respectively, and paste them along the positioning tooling (10). Remove the positioning tooling (10), rotate the winding machine, and wind a fiber around the circumferential direction of the fiber composite cylinder body (33) starting from the inner end of the left identification sticker (16) as the left position line (34) of the reinforcement frame of the reinforcement frame. Wind a fiber around the circumferential direction of the fiber composite cylinder body (33) starting from the inner end of the right identification sticker (17) as the right position line (35) of the reinforcement frame of the reinforcement frame. Remove the left identification sticker (16) or the right identification sticker (17), hold the end (13) by hand, place the positioning tooling (10) on the left end of the mold (1), rotate the winding machine, and use the left position line (14) and the right position line (15) to check and correct the left position line (34) and the right position line (35) of the reinforcement frame of the reinforcement frame respectively to complete the positioning of the reinforcement frame position; Step 3: Wind the left bottom layer of the reinforcement frame in the areas of the left position line (34) and the right position line (35) of the reinforcement frame. As the thickness of the reinforcement frame increases, there will be a downward slide of the winding fiber at both ends, and the boundary of the wound reinforcement frame will overflow outward from the left position line (34) and the right position line (35) of the reinforcement frame; Step 4: Align the quadrant groove (12) of the positioning tooling (10) with the left quadrant position line (7) at the II quadrant position of the mold (1). Align the left quadrant position line (7) and the alignment line (11). Align the inner sides of the left identification sticker (16) or the right identification sticker (17) with the left position line (14) and the right position line (15) respectively, and paste them along the positioning tooling (10). Remove the positioning tooling (10), place the backing plate (18) along the bottom end of the left identification sticker (16) or the right identification sticker (17) at the left reinforcement frame (3), adjust the left first position line (19) of the backing plate (18) to align with the inner side of the left identification sticker (16), adjust the right first position line (20) of the backing plate (18) to align with the inner side of the right identification sticker (17), remove the identification sticker, and complete the placement of the remaining 3 backing plates (18) at the other three quadrants in sequence; Step 5: Continue to wind the reinforcement frame in the reinforcement frame area to a certain thickness. Step 6: Starting from the third quadrant, wrap the fiber cloth (31). When it rotates to the second quadrant and is directly above, relax the fiber bundle and place it outside the reinforcement frame area. Place the cutting plate (24) on the backing plate (18). Install the right fixing block (27) at the right rabbet (23), and install the left fixing block (28) at the left rabbet (22). The positioning groove (26) of the cutting plate (24) corresponds to the position of the cutting groove 21 of the backing plate (18). Cut the fiber layer on the backing plate (18) along the positioning groove (26). Remove the cutting plate (24), take out the backing plate (18), smooth the fibers at the cut, continue to rotate the winding machine, wrap the fiber cloth (31), and successively complete the cutting of the fibers at the first, third, and fourth quadrants and the removal of the backing plate (18) according to the above method. Wrap the fiber cloth (31) circumferentially for one layer, continue to wind the reinforcement frame to the designed thickness, and complete the forming of the left reinforcement frame (3); Step 7: According to steps 2 - 6, form the right reinforcement frame (4); Step 8: After curing, machine the fiber composite cylinder. Chamfer both ends of the reinforcement frame, and perform stacking surface machining axially at the corresponding first, second, third, and fourth quadrants respectively to complete the preparation of the stackable fiber composite cylinder.

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