Composite material I beam demoulding device

Abstract

The utility model belongs to the technical field of tool design, and discloses a composite material I beam demoulding device which comprises a first demoulding assembly, a second demoulding assembly and a third demoulding assembly, a first positioning piece is arranged on a first mould shell, a first tension piece is arranged on a second mould shell, a second positioning piece is arranged on the second mould shell, and a second tension piece is arranged on the third mould shell. The second tension piece is located on the I-shaped beam, the rotating piece is rotationally arranged on the clamping piece and tightly presses a web plate of the I-shaped beam, the clamping piece is fixed to a wing plate of the I-shaped beam, the first fixing piece is twisted to enable the first formwork to be separated, the second fixing piece is twisted to enable the second formwork to be separated, and the clamping piece is twisted to enable the I-shaped beam to be separated; the I-shaped beam can be protected from being damaged to a great extent in the demolding process, interference between the mold and parts can be avoided, and the quality problems that the parts are likely to be broken, damaged and the like in the I-shaped beam demolding process are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tooling design technical field especially relates to composite material I beam stripping device. BACKGROUND

[0002] In the field of aviation manufacturing, carbon fiber composite material is the first choice for manufacturing large passenger plane parts, and through the manufacturing process such as filament laying, tape laying and high temperature curing, the raw material is made into the I beam required by the passenger plane, and how to demold the large size I beam has been a difficult problem in the field of aviation manufacturing of composite material parts.

[0003] In the prior art, the stripping device used is a way of cooperating with the lifting of the crane to demold the I beam, since the opening of the I beam part is an inwardly retracted structure, the stripping device will interfere with the I beam during the mold stripping process, and forcibly stripping will damage the I beam, and the parts in the I beam demolding process may be cracked, damaged and have quality problems.

[0004] Therefore, a composite material I beam stripping device is needed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a composite material I beam stripping device, the I beam is demolded in multidimension, the I beam is greatly protected from damage, and the quality problems such as cracking and damage of the parts in the I beam demolding process are solved.

[0006] In order to solve the above problems existing in the prior art, the utility model adopts the following technical scheme:

[0007] The composite material I beam stripping device is used for demolding the I beam on the mold, the mold comprises a mold base and an upper mold, the upper mold presses the I beam against the mold base, the upper mold comprises a first mold shell and a second mold shell, and the composite material I beam stripping device comprises:

[0008] A first stripping assembly comprises a first positioning member, a first tension member and a first fixing member, the first positioning member is arranged on the first mold shell, the first tension member is arranged on the second mold shell, the first positioning member is connected with the first tension member through the first fixing member, and the first mold shell is separated by twisting the first fixing member;

[0009] A second stripping assembly comprises a second positioning member, a second tension member and a second fixing member, the second positioning member is arranged on the second mold shell, the second tension member is arranged on the I beam, and the second positioning member is connected with the second tension member through the second fixing member, and the second mold shell is separated by twisting the second fixing member;

[0010] The third demolding assembly comprises a rotating member and a clamping member, the rotating member is rotatably arranged on the clamping member and is pressed against the web plate of the I-beam, the clamping member is fixed on the flange plate of the I-beam, and the I-beam is separated by twisting the clamping member.

[0011] Preferably, the first demolding assembly further comprises a first connecting member, the first positioning member is provided with a first through hole, the first mold shell is provided with a first mounting hole, and the first connecting member passes through the first through hole and is connected to the first mounting hole.

[0012] Preferably, the first demolding assembly further comprises a second connecting member, the first tension member is provided with a second through hole, the second mold shell is provided with a second mounting hole, and the second connecting member passes through the second through hole and is connected to the second mounting hole.

[0013] Preferably, the first fixing member comprises a connecting part and a hand-held part, the two ends of the connecting part are respectively connected to the first positioning member and the first tension member, and the hand-held part is connected to the connecting part.

[0014] Preferably, the second demolding assembly further comprises a third connecting member, the second tension member is provided with a waist-shaped hole, the second positioning member is provided with a connecting hole, and the third connecting member passes through the waist-shaped hole and is connected to the connecting hole.

[0015] Preferably, the rotating member comprises a rotating part and a handle part, the handle part is connected to the rotating part, and the handle part is arranged perpendicularly to the rotating part, a threaded hole is formed in the middle of the clamping member, the rotating part is threadedly connected to the threaded hole, so that the rotating part moves linearly relative to the clamping member and abuts against the I-beam.

[0016] Preferably, the third demolding assembly further comprises a pressing member and a backing plate, the pressing member is movably arranged at the end of the rotating part, and the backing plate is arranged on the pressing member and can be pressed against the I-beam.

[0017] Preferably, the clamping member comprises a support rod part and two insertion lug parts, the two insertion lug parts are rotatably arranged at the two ends of the support rod part respectively, the insertion lug part is provided with a clamping groove, and the insertion lug part is clamped to the flange plate of the I-beam through the clamping groove.

[0018] Preferably, the clamping member further comprises a plug part, the insertion lug part is provided with a communication hole, and the plug part is arranged in the communication hole to fix the insertion lug part relative to the flange plate of the I-beam.

[0019] Preferably, the clamping member further comprises a sleeve part, the sleeve part is arranged in the communication hole, the inner ring of the sleeve part is slidably connected to the outer periphery of the plug part, and the outer ring of the sleeve part is fixedly connected to the inner hole wall of the communication hole.

[0020] The utility model discloses the beneficial effect that:

[0021] The utility model provides a composite material H beam stripping device, first stripping subassembly includes first positioning piece, first tension piece and first fixed part, and first positioning piece sets up at first mould shell, and first tension piece sets up at second mould shell, and first positioning piece is connected with first tension piece through first fixed part, and first tension piece transmits the torsion to first positioning piece, makes first tension piece and first positioning piece generate the dislocation movement, and first positioning piece drives first mould shell relative die base movement to make first mould shell relative second mould shell separate. Second stripping subassembly includes second positioning piece, second tension piece and second fixed part, and second positioning piece sets up at second mould shell, and second tension piece is located H beam, and second positioning piece is connected with second tension piece through second fixed part, and second tension piece transmits the torsion to second positioning piece, makes second tension piece and second positioning piece generate the dislocation movement, and second positioning piece drives second mould shell relative die base movement to make second mould shell relative die base separate. Third stripping subassembly includes rotating part and clamping piece, and rotating part rotationally sets up in clamping piece and is pressed tightly in the web of H beam, and clamping piece is fixed to the wing plate of H beam, and torsion is transmitted to rotating part through clamping piece to make H beam relative die base separate when twisting clamping piece. H beam carries out stripping in multidimension through first stripping subassembly, second stripping subassembly and third stripping subassembly in proper order, can protect H beam from being damaged to the greatest extent in the stripping process, and can avoid the interference of mould and part, solve the quality problem that part can crack, damage etc. in H beam stripping process. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The structure schematic diagram of H beam is provided for the utility model embodiment;

[0023] Figure 2 The structure schematic diagram of mould is provided for the utility model embodiment;

[0024] Figure 3 The structure schematic diagram of first stripping subassembly and upper die is provided for the utility model embodiment;

[0025] Figure 4 The structure schematic diagram of first stripping subassembly is provided for the utility model embodiment;

[0026] Figure 5 The structure schematic diagram of second stripping subassembly, H beam and second mould shell is provided for the utility model embodiment;

[0027] Figure 6 The structure schematic diagram of second stripping subassembly is provided for the utility model embodiment;

[0028] Figure 7 A structure schematic view of the third demolding assembly and the I-beam is provided for the embodiment of the utility model.

[0029] Figure 8 A sectional view of the third demolding assembly is provided for the embodiment of the utility model.

[0030] Figure 9 A structure schematic view of the third demolding assembly is provided for the embodiment of the utility model.

[0031] Reference signs:

[0032] 100, mold; 101, mold base; 102, first mold shell; 103, second mold shell; 200, I-beam;

[0033] 1, first demolding assembly; 11, first positioning member; 12, first tension member; 13, first fixing member; 131, connecting part; 132, hand holding part; 14, first connecting member; 15, second connecting member;

[0034] 2, second demolding assembly; 21, second positioning member; 22, second tension member; 23, second fixing member; 24, third connecting member;

[0035] 3, third demolding assembly; 31, rotating member; 311, rotating part; 312, handle part; 32, clamping member; 321, strut part; 322, insertion lug part; 323, bolt part; 324, sleeve part; 33, pressing member; 34, backing plate. DETAILED DESCRIPTION

[0036] The utility model will be further explained in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0037] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0038] In the utility model, unless another definite provision and limitation, first feature is in second feature "on" or "under" can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them. Moreover, first feature is "on", "above" and "upper surface" of second feature includes that first feature is directly above and obliquely above second feature, or only indicates that horizontal height of first feature is higher than second feature. First feature is "under", "below" and "lower surface" of second feature includes that first feature is directly below and obliquely below second feature, or only indicates that horizontal height of first feature is less than second feature.

[0039] In the description of the embodiment, the terms "upper", "lower", "left", "right" and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in description, and have no special meaning.

[0040] As Figures 1-9 As shown in the utility model, the composite material H-beam demolding device is used for demolding H-beam 200 on mold 100, mold 100 includes mold base 101 and upper mold, upper mold is pressed to H-beam 200 on mold base 101, and upper mold includes first mold shell 102 and second mold, and the composite material H-beam demolding device includes first demolding assembly 1, second demolding assembly 2 and third demolding assembly 3. Wherein, first demolding assembly 1 includes first positioning piece 11, first tension piece 12 and first fixing piece 13, first positioning piece 11 is arranged on first mold shell 102, first tension piece 12 is arranged on second mold shell 103, first positioning piece 11 is connected with first tension piece 12 through first fixing piece 13, and first mold shell 102 is separated by twisting first fixing piece 13. Second demolding assembly 2 includes second positioning piece 21, second tension piece 22 and second fixing piece 23, second positioning piece 21 is arranged on second mold shell 103, second tension piece 22 is located on H-beam 200, and second positioning piece 21 is connected with second tension piece 22 through second fixing piece 23. Second mold shell 103 is separated by twisting second fixing piece 23. Third demolding assembly 3 includes rotating piece 31 and clamping piece 32, rotating piece 31 is rotationally arranged on clamping piece 32 and is pressed on the web of H-beam 200, clamping piece 32 is fixed on the flange of H-beam 200, and H-beam 200 is separated by twisting clamping piece 32.

[0041] The upper die is assembled by the first die shell 102 and the second die shell 103, and the I-beam 200 is fixed on the die seat 101 by the upper die. The first positioning member 11 is fixedly installed on the upper end surface of the first die shell 102, and the first positioning member 11 is fixed relative to the first die shell 102. The first tension member 12 is installed on the upper end surface of the second die shell 103, and the first tension member 12 is relatively movable with the second die shell 103. The first positioning member 11 and the first tension member 12 are connected through the first fixing member 13. By twisting the first fixing member 13 by a tool or manually, the first tension member 12 transmits the torsion to the first positioning member 11, so that the first tension member 12 and the first positioning member 11 generate a dislocation movement, the first positioning member 11 drives the first die shell 102 to move relative to the die seat 101, so that the first die shell 102 is separated from the second die shell 103. The second positioning member 21 is fixedly installed on the upper end surface of the second die shell 103, and the second positioning member 21 is fixed relative to the second die shell 103. The second tension member 22 is located on the I-beam 200 after the half die is removed and is fixedly connected with the second positioning member 21 through the second fixing member 23. By twisting the second fixing member 23 by a tool or manually, the second tension member 22 transmits the torsion to the second positioning member 21, so that the second tension member 22 and the second positioning member 21 generate a dislocation movement, the second positioning member 21 drives the second die shell 103 to move relative to the die seat 101, so that the second die shell 103 is separated from the die seat 101. One end of the rotating member 31 is screwed, and the rotating member 31 can rotate relative to the clamping member 32 to press the other end of the rotating member 31 against the web of the I-beam 200. The clamping member 32 clamps the flange of the I-beam 200, so that the third demolding assembly 3 is fixed relative to the I-beam 200. By twisting the clamping member 32 by a tool or manually, the torsion is transmitted to the rotating member 31 through the clamping member 32, so that the I-beam 200 is separated from the die seat 101. The I-beam 200 is sequentially demolded by the first demolding assembly 1, the second demolding assembly 2 and the third demolding assembly 3 in multiple dimensions. In the demolding process, the I-beam 200 can be greatly protected from damage. Moreover, the demolding direction is consistent with the opening direction of the part, which can avoid interference between the mold 100 and the part, and solves the quality problems such as cracking and damage of the part during the demolding process of the I-beam 200.

[0042] Further, with reference to Figures 1-9The first demolding assembly 1 further comprises a first connecting piece 14 and a second connecting piece 15, the first positioning piece 11 is provided with a first through hole, the first mold shell 102 is provided with a first mounting hole, and the first connecting piece 14 penetrates through the first through hole and is connected to the first mounting hole. The first tension piece 12 is provided with a second through hole, the second mold shell 103 is provided with a second mounting hole, and the second connecting piece 15 penetrates through the second through hole and is connected to the second mounting hole. Specifically, the first connecting piece 14 and the second connecting piece 15 are both provided as bolts, the first positioning piece 11 is fixedly connected to the first mold shell 102 through the first connecting piece 14, and the first tension piece 12 is connected to the second mold shell 103 through the second connecting piece 15, so that the first demolding assembly 1 is convenient to disassemble and assemble, and the demolding process of the multiple I-beams 200 is facilitated, and the versatility is high.

[0043] Further, continuing to refer to Figures 1-9 The first fixing piece 13 comprises a connecting portion 131 and a hand holding portion 132, both ends of the connecting portion 131 are connected to the first positioning piece 11 and the first tension piece 12 respectively, and the hand holding portion 132 is clamped on the connecting portion 131. Specifically, the connecting portion 131 is provided as a top screw, and the hand holding portion 132 is provided as a torque wrench. The connecting portion 131 is sequentially arranged in the mounting holes of the first positioning piece 11 and the first tension piece 12, and the hand holding portion 132 is clamped on the connecting portion 131 exposed between the first positioning piece 11 and the first tension piece 12. By holding the hand holding portion 132 and twisting the connecting portion 131, the first tension piece 12 transmits the torque to the first positioning piece 11, and the first positioning piece 11 drives the first mold shell 102 to move relative to the mold base 101, so that the first mold shell 102 is separated from the second mold shell 103.

[0044] Further, continuing to refer to Figures 1-9 The second demolding assembly 2 further comprises a third connecting piece 24, the second tension piece 22 is provided with a waist-shaped hole, the second positioning piece 21 is provided with a connecting hole, and the third connecting piece 24 penetrates through the waist-shaped hole and is connected to the connecting hole. Specifically, the third connecting piece 24 is provided as a fixed screw, the second tension piece 22 is fixedly connected to the second positioning piece 21 through the third connecting piece 24, and the third connecting piece 24 can be adjusted through the waist-shaped hole, so that the second tension piece 22 is matched with the second positioning piece 21. By twisting the second fixing piece 23, the second tension piece 22 transmits the torque to the second positioning piece 21, so that the second tension piece 22 and the second positioning piece 21 produce a dislocation movement, and the second positioning piece 21 drives the second mold shell 103 to move relative to the mold base 101, so that the second mold shell 103 is separated from the mold base 101.

[0045] Further, continuing to refer to Figures 1-9The rotating member 31 comprises a rotating part 311 and a handle part 312. The handle part 312 is connected to the rotating part 311 and is arranged perpendicularly to the rotating part 311. The clamping member 32 is provided with a threaded hole in the middle. The rotating part 311 is screwed to the threaded hole so that the rotating part 311 moves linearly relative to the clamping member 32 and abuts against the I-beam 200. Specifically, the handle part 312 is fixed through the rotating part 311. The rotating part 311 is screwed to the threaded hole of the clamping member 32. The rotating part 311 can move linearly along the axis of the threaded hole so that the rotating part 311 abuts against the web of the I-beam 200. The clamping member 32 clamps the flange of the I-beam 200 so that the third demolding assembly 3 is fixed relative to the I-beam 200, facilitating the demolding of the I-beam 200.

[0046] Further, with continuous reference to Figures 1-9 The third demolding assembly 3 further comprises a pressing member 33 and a backing plate 34. The pressing member 33 is movably arranged at the end of the rotating part 311. The backing plate 34 is arranged on the pressing member 33 and can press against the I-beam 200. Specifically, the pressing member 33 is movably hinged to the end of the rotating part 311. The backing plate 34 is made of rubber and is fixed to the bottom of the pressing member 33 by gluing or the like. The rotating part 311 is rotated by the handle part 312. The rotating part 311 is screwed to the clamping member 32. The rotating part 311 can move linearly along the axis of the threaded hole so that the pressing member 33 presses against the web of the I-beam 200 through the backing plate 34. The pressing member 33 is automatically adjusted relative to the rotating part 311 based on the flatness of the surface where the web of the I-beam 200 is located. The backing plate 34 on the pressing member 33 can completely fit the web of the I-beam 200, ensuring that the rotating member 31 can abut against and be fixed relative to the I-beam 200. In addition, the backing plate 34 can protect the web of the I-beam 200 from scratches or damage.

[0047] Further, with continuous reference to Figures 1-9The clamping piece 32 comprises a strut part 321, two lug parts 322, a pin part 323 and a sleeve part 324. The two lug parts 322 are respectively rotationally arranged at two ends of the strut part 321. The lug part 322 is provided with a clamping groove. The lug part 322 is clamped to the flange plate of the I-beam 200 through the clamping groove. The lug part 322 is provided with a communication hole. The pin part 323 is arranged in the communication hole, so that the lug part 322 is fixed relative to the flange plate of the I-beam 200. The sleeve part 324 is arranged in the communication hole. The inner ring of the sleeve part 324 is in sliding connection with the outer periphery of the pin part 323. The outer ring of the sleeve part 324 is in fixed connection with the inner hole wall of the communication hole. Specifically, one end of the lug part 322 is rotationally connected to the strut part 321 through a rotating shaft. The upper surface of the strut part 321 is flush with the upper surface of the lug part 322, so as to ensure the placement angle of the lug part 322. Meanwhile, the surface of the lug part 322 clamping the I-beam 200 is tangent to the excess area of the I-beam 200. In addition, the surface of the lug part 322 clamping the I-beam 200 has a gap of 0.2-2 mm with the I-beam 200, so as to facilitate the butt joint with the I-beam 200. The other end of the lug part 322 is clamped to the flange plate of the I-beam 200 through the clamping groove. Meanwhile, the sleeve part 324 is embedded in the opening of the communication hole of the sleeve part 324. The pin part 323 is sequentially arranged in the sleeve part 324 and the communication hole, so as to fasten the lug part 322 to the flange plate of the I-beam 200. The sleeve part 324 can adapt to the flange plate of the I-beam 200 with different thicknesses, so as to ensure stable installation and prevent loosening. In addition, the sleeve part 324 is convenient for dismounting and installing. The sleeve part 324 plays a guiding role, so as to ensure that the pin part 323 can smoothly enter the communication hole.

[0048] The working process of the composite I-beam stripping device is as follows:

[0049] First, the first positioning member 11 is fixedly connected to the first mold shell 102 through the first connecting member 14, the first tension member 12 is connected to the second mold shell 103 through the second connecting member 15, the first positioning member 11 and the first tension member 12 are connected through the first fixing member 13, and the first mold shell 102 is separated by twisting the first fixing member 13. The first fixing member 13, the first connecting member 14 and the second connecting member 15 are removed, so that the first positioning member 11 and the first tension member 12 are separated, the first positioning member 11 is separated from the first mold shell 102, the first tension member 12 is separated from the second mold shell 103, the hoisting plate and the hoisting frame are installed, and the first mold shell 102 is hoisted to the platform. Then, the second positioning member 21 is fixedly installed on the second mold shell 103, the second tension member 22 is fixedly connected to the second positioning member 21 through the third connecting member 24, the second tension member 22 is located on the I-beam 200 after the half mold is removed and is fixedly connected to the second positioning member 21 through the second fixing member 23, and the second mold shell 103 is separated by twisting the second fixing member 23. The second fixing member 23 and the third connecting member 24 are removed, so that the second positioning member 21 and the second tension member 22 are separated, the second positioning member 21 is separated from the second mold shell 103, the second tension member 22 is separated from the I-beam 200, and the second mold shell 103 is hoisted to the platform through the hoisting plate and the hoisting frame. Finally, one end of the rotating member 31 is screwed, the rotating member 31 can rotate relative to the clamping member 32, so that the other end of the rotating member 31 is pressed against the web of the I-beam 200, the clamping member 32 clamps the flange of the I-beam 200, and the I-beam 200 is separated by twisting the clamping member 32.

[0050] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not a limitation on the embodiments of the utility model. For ordinary skilled in the art, various obvious changes, re-adjustment and replacement can be carried out without departing from the protection scope of the utility model. Here, all the embodiments need not and cannot be exhausted. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model claims.

Claims

1. A composite I-beam stripping apparatus for stripping an I-beam (200) from a mould (100), the mould (100) comprising a mould bed (101) and an upper mould, the upper mould pressing the I-beam (200) against the mould bed (101), the upper mould comprising a first mould shell (102) and a second mould shell (103), characterised in that, The composite I-beam stripping device comprises: A first stripping assembly (1) comprises a first positioning member (11), a first tension member (12), and a first fixing member (13). The first positioning member (11) is arranged on the first mold shell (102). The first tension member (12) is arranged on the second mold shell (103). The first positioning member (11) is connected with the first tension member (12) through the first fixing member (13). The first mold shell (102) is separated by twisting the first fixing member (13). A second stripping assembly (2) comprises a second positioning member (21), a second tension member (22), and a second fixing member (23). The second positioning member (21) is arranged on the second mold shell (103). The second tension member (22) is arranged on the I-beam (200). The second positioning member (21) is connected with the second tension member (22) through the second fixing member (23). The second mold shell (103) is separated by twisting the second fixing member (23). A third stripping assembly (3) comprises a rotating member (31) and a clamping member (32). The rotating member (31) is arranged on the clamping member (32) and is pressed against the web of the I-beam (200). The clamping member (32) is fixed on the flange of the I-beam (200). The I-beam (200) is separated by twisting the clamping member (32).

2. The composite I-beam stripper of claim 1, wherein, The first stripping assembly (1) further comprises a first connecting member (14). The first positioning member (11) is provided with a first through hole. The first mold shell (102) is provided with a first mounting hole. The first connecting member (14) passes through the first through hole and is connected to the first mounting hole.

3. The composite I-beam stripper of claim 1, wherein, The first stripping assembly (1) further comprises a second connecting member (15). The first tension member (12) is provided with a second through hole. The second mold shell (103) is provided with a second mounting hole. The second connecting member (15) passes through the second through hole and is connected to the second mounting hole.

4. The composite I-beam stripper of claim 1, wherein, The first fixing member (13) comprises a connecting part (131) and a hand-held part (132). The two ends of the connecting part (131) are connected to the first positioning member (11) and the first tension member (12), respectively. The hand-held part (132) is connected to the connecting part (131).

5. The composite I-beam stripper of claim 1, wherein, The second stripping assembly (2) further comprises a third connecting member (24). The second tension member (22) is provided with a waist-shaped hole. The second positioning member (21) is provided with a connecting hole. The third connecting member (24) passes through the waist-shaped hole and is connected to the connecting hole.

6. The composite I-beam stripper of claim 1, wherein, The rotating member (31) comprises a rotating part (311) and a handle part (312). The handle part (312) is connected to the rotating part (311). The handle part (312) and the rotating part (311) are arranged perpendicularly. A threaded hole is arranged in the middle of the clamping member (32). The rotating part (311) is threadedly connected with the threaded hole. The rotating part (311) moves linearly relative to the clamping member (32) and abuts against the I-beam (200).

7. The composite I-beam stripper of claim 6, wherein, The third demolding assembly (3) further comprises a pressing member (33) movably arranged at the end of the rotating part (311) and a backing plate (34) arranged on the pressing member (33) and capable of pressing against the I-beam (200).

8. The composite I-beam stripper of claim 1, wherein, The clamping member (32) comprises a strut part (321) and two lug parts (322) rotatably arranged at the two ends of the strut part (321), the lug part (322) is provided with a clamping groove, and the lug part (322) is clamped on the wing plate of the I-beam (200) through the clamping groove.

9. The composite I-beam stripper of claim 8, wherein, The clamping member (32) further comprises a bolt part (323), the lug part (322) is provided with a communication hole, and the bolt part (323) is arranged in the communication hole to fix the lug part (322) relative to the wing plate of the I-beam (200).

10. The composite I-beam stripper of claim 9, wherein, The clamping member (32) further comprises a sleeve part (324) arranged in the communication hole, the inner ring of the sleeve part (324) is in sliding connection with the outer periphery of the bolt part (323), and the outer ring of the sleeve part (324) is in fixed connection with the inner hole wall of the communication hole.

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