Pipeline fixing structure

By using a combination of rotating and moving components in the pipe fixing structure to change the position of the clamping point, the problem of pipe deformation due to long-term pressure in the prior art is solved, and pipe protection and stability of composite material molding are achieved.

CN224145400UActive Publication Date: 2026-04-21CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719
Filing Date
2025-05-23
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

Existing pipe switching devices cause the same position of the pipe to be under pressure for a long time during the clamping process, resulting in severe deformation and stress concentration, which can easily lead to damage and affect the molding effect of composite materials.

Method used

A pipe fixing structure was designed. By coordinating rotating and moving components, the position of the pipe clamping point can be changed, avoiding applying pressure to the same area for a long time. The clamping point can be periodically adjusted by using rotating components to drive pipe deflection and moving components to move.

Benefits of technology

This effectively prevents pipes from breaking due to stress concentration, improves service life, and ensures the quality and consistency of composite material molding.

✦ Generated by Eureka AI based on patent content.

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Abstract

According to the pipeline fixing structure, before the clamping action is started, the rotating component can rotate under the action of the movable groove, due to the fact that a part of a pipeline is fixed to the rotating position, the pipeline can generate angular deflection through rotation of the rotating component, and therefore the orientation or position of the pipeline is changed. And then, the moving component moves along the set path, due to the fact that one section of the pipeline is fixed to the rotating position, the moving component moves to drive the whole pipeline on the rotating position to move, and finally, the clamping closing point of the first clamping piece and the second clamping piece does not act on the original position any more but acts on a new pipeline section. The pipeline is subjected to angle deflection through the rotating component, then the stress direction of the pipeline is changed, the position of a clamping point on the pipeline is changed through movement of the moving component, periodic adjustment of the clamping point in space is achieved, a certain fixed area of the pipeline is effectively prevented from being pressed and deformed for a long time, and then the damage risk caused by stress concentration is reduced.
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Description

Technical Field

[0001] This application relates to the field of composite material molding, and more particularly to a pipe fixing structure. Background Technology

[0002] In the field of composite material molding, in order to achieve precise control over the opening and closing of vacuum pipes or resin injection pipes, it is usually necessary to use a pipe switching device to open or close the pipes.

[0003] Existing pipe switching devices operate by abutting, placing the vacuum pipe or injection pipe in the clamping position of the pipe fixing structure. When pipe closure is required, the pipe switching device clamps the pipe, causing the clamping components on both sides to grip it. Under the clamping force, the pipe is compressed and deformed, causing the inner wall of the pipe to fit tightly. At this point, the cross-sectional area of ​​the pipe's internal passage is zero, achieving the effect of pipe closure.

[0004] However, during the clamping process, because the same position of the pipe remains in the clamped position, the pipe switching device continuously applies pressure to the same location. This pressure causes severe deformation at both the upper and lower quadrants of the pipe, leading to stress concentration. Prolonged clamping can easily cause damage at this point, rendering the pipe unusable. If the pipe breaks during use, it will affect the final product quality after the composite material is molded. Utility Model Content

[0005] In view of this, it is necessary to provide a pipe fixing structure to solve the above problems.

[0006] Embodiments of this application provide a pipe fixing structure, including:

[0007] First clamping component;

[0008] The second clamping member is disposed opposite to the first clamping member, and a clamping space is formed between the first clamping member and the second clamping member;

[0009] A movable component is disposed within the clamping space, and the movable component is provided with a movable groove.

[0010] A rotating component is mounted on the movable component and partially located within the movable groove; the rotating component is provided with a rotation position.

[0011] Before the pipe is closed, the rotating component causes the pipe at the rotating position to deflect by an angle, and the moving component moves to move the pipe at the rotating position, thereby changing the clamping and closing position of the first clamping member and the second clamping member on the pipe.

[0012] In at least one embodiment of this application, the pipe fixing structure further includes:

[0013] The base, the first clamping member and the second clamping member are both mounted on the base, the base has a motion groove, and the motion groove is connected to the clamping space;

[0014] The movable component includes:

[0015] A drive assembly is mounted on the base and extends into the motion slot;

[0016] The movable component has one end located in the motion slot and is connected to the drive component for transmission, and the other end extends into the clamping space.

[0017] In at least one embodiment of this application, the moving component includes:

[0018] The first movable block extends one end into the motion groove and is slidably connected to the motion groove. The first movable block is connected to the drive assembly in a transmission manner.

[0019] The second movable block is slidably disposed on the first movable block, and the movable groove is formed between the two blocks.

[0020] In at least one embodiment of this application, the first moving block has a first rotating groove, and the second moving block has a second rotating groove, both the first rotating groove and the second rotating groove being in communication with the movable groove.

[0021] The rotating component includes:

[0022] A pull assembly is mounted on the first movable block;

[0023] The first rotating component has one end disposed in the movable groove and the other end extending into the first rotating groove, and is rotatably connected to the second moving block.

[0024] The second rotating component has one end located in the movable groove and the other end extending into the second rotating groove and rotatably connected to the second moving block. One end of the pulling component is fixed to the first rotating component and is arranged around the second rotating component. The rotating position is formed between the first rotating component and the second rotating component.

[0025] The pulling component moves to drive the first rotating member and the second rotating member to rotate, thereby causing the pipe at the rotating position to deflect.

[0026] In at least one embodiment of this application, a first arc-shaped groove is provided on the side of the first moving block near the second moving block, and a second arc-shaped groove is provided on the side of the second moving block near the first moving block. The first rotating member is located in the first arc-shaped groove, and the second rotating member is located in the second arc-shaped groove. The first arc-shaped groove and the second arc-shaped groove surround each other to form the movable groove.

[0027] In at least one embodiment of this application, the first rotating member includes a first arcuate portion and a first rotating portion connected to the first arcuate portion;

[0028] The second rotating member includes a second arc-shaped portion and a second rotating portion connected to the second arc-shaped portion;

[0029] The first moving block has a first arc-shaped through groove, and the second moving block has a second arc-shaped through groove. The first arc-shaped part is located in the first arc-shaped groove, and the first rotating part extends through the first arc-shaped groove into the first arc-shaped through groove. The second arc-shaped part is located in the second arc-shaped groove, and the second rotating part extends through the second arc-shaped groove into the second arc-shaped through groove.

[0030] In at least one embodiment of this application, the pulling component includes:

[0031] A winding motor is fixed to the first movable block;

[0032] Pull the rope, one end of which is fixed to the first rotating component, and the other end of which wraps around the second rotating component and is located on the output end of the winding motor.

[0033] In at least one embodiment of this application, the first moving block includes:

[0034] The movable part extends into the motion groove at one end and into the clamping space at the other end, and is driven by the lead screw of the drive assembly.

[0035] A clamping part is provided on the movable part;

[0036] The mounting part is disposed opposite to the clamping part;

[0037] A sliding part is mounted on the moving part, and the second moving block is slidably connected to the sliding part;

[0038] The mobile component also includes:

[0039] The elastic element has one end abutting against the mounting part and the other end abutting against the second movable block.

[0040] In at least one embodiment of this application, the driving component includes:

[0041] A drive motor is mounted on the base.

[0042] A drive screw, one end of which extends into the motion groove and is driven by the lead screw of the moving component;

[0043] A belt is fitted onto the output end of the drive motor and the other end of the drive screw.

[0044] In at least one embodiment of this application, the first clamping member is provided with a fixed arc surface;

[0045] The second clamping member includes:

[0046] An electric cylinder is mounted on the base.

[0047] The clamping block has one end fixed to the output end of the electric cylinder, and the other end is provided with an abutting auxiliary surface and an abutting arc surface. The abutting auxiliary surface is provided on both sides of the abutting arc surface, and the abutting arc surface is arranged opposite to the fixed arc surface.

[0048] Implementing the pipe fixing structure of this embodiment will have at least the following beneficial effects:

[0049] In the pipe fixing structure described above, before the clamping action begins, the rotating component rotates under the action of the movable groove. Since a part of the pipe is fixed in the rotating position, the rotation of the rotating component causes the pipe to deflect at an angle, thereby changing the pipe's orientation or position. Immediately afterwards, the moving component moves along a set path. Because a section of the pipe is fixed in the rotating position, the movement of the moving component causes the entire pipe in the rotating position to shift. Ultimately, the clamping closure point of the first and second clamping members no longer acts on the original position, but on the new pipe section.

[0050] By rotating the component, the pipe is deflected at an angle, thereby changing the direction of force on the pipe. By moving the component, the position of the clamping point on the pipe is changed, realizing the periodic adjustment of the clamping point in space. This effectively avoids long-term pressure and deformation in a fixed area of ​​the pipe, thereby reducing the risk of damage caused by stress concentration. Attached Figure Description

[0051] Figure 1 An exploded view of the pipe fixing structure;

[0052] Figure 2 A three-dimensional view of the pipe fixing structure;

[0053] Figure 3 Another perspective view of the pipe fixing structure;

[0054] Figure 4 for Figure 1 A three-dimensional view of the middle section structure;

[0055] Figure 5 This is a partial structural diagram of the movable component.

[0056] Explanation of main component symbols

[0057] 100. Pipeline fixing structure;

[0058] 110. First clamping element; 110a. Fixed arc surface;

[0059] 120. Second clamping component; 120a. Clamping space; 121. Electric cylinder; 122. Clamping block; 122a. Abutment auxiliary surface; 122b. Abutment arc surface;

[0060] 130. Moving component; 131. Drive assembly; 1311. First moving block; 1311a. First rotating groove; 1311b. First arc-shaped groove; 1311c. First arc-shaped through groove; 1312. Second moving block; 1312a. Second rotating groove; 1312b. Second arc-shaped groove; 1312c. Second arc-shaped through groove; 1313. Moving part; 1314. Clamping part; 1315. Mounting part; 1316. Sliding part; 133. Elastic element; 134. Drive motor; 135. Drive screw; 136. Belt;

[0061] 140. Rotating component; 141. Pulling assembly; 140a. Rotating position; 1411. Winding motor; 1412. Pulling rope; 142. First rotating component; 1421. First arc-shaped portion; 1422. First rotating portion; 143. Second rotating component; 1431. Second arc-shaped portion; 1432. Second rotating portion;

[0062] 150, base; 150a, motion slot. Detailed Implementation

[0063] The embodiments of this application will now be described with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments.

[0064] It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component or may also have an intervening component. When a component is considered to be "placed" on another component, it can be directly placed on the other component or may also have an intervening component. The terms "top," "bottom," "upper," "lower," "left," "right," "front," "back," and similar expressions used in this article are for illustrative purposes only.

[0065] The following detailed description of some embodiments of this application is provided in conjunction with the accompanying drawings. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0066] Embodiments of this application provide a pipe fixing structure 100, comprising:

[0067] First clamping component 110;

[0068] The second clamping member 120 is disposed opposite to the first clamping member 110, and a clamping space 120a is formed between the first clamping member 110 and the second clamping member 120;

[0069] A movable component 130 is disposed within the clamping space 120a, and the movable component 130 is provided with a movable groove.

[0070] A rotating component 140 is mounted on the movable component 130 and is partially located in the movable groove. The rotating component 140 is provided with a rotating position 140a.

[0071] Before the pipe is closed, the rotating component 140 causes the pipe at the rotating position 140a to deflect by an angle, and the moving component 130 moves to move the pipe at the rotating position 140a, so as to change the clamping and closing position of the pipe by the first clamping member 110 and the second clamping member 120.

[0072] Please refer to Figures 1-5 In this embodiment, before the clamping action begins, the rotating member 140 rotates under the action of the movable groove. Since a part of the pipe is fixed on the rotating position 140a, the rotation of the rotating member 140 causes the pipe to deflect at an angle, thereby changing the orientation or position of the pipe. Immediately afterwards, the moving member 130 moves along a set path. Since a section of the pipe is fixed on the rotating position 140a, the movement of the moving member 130 causes the entire pipe on the rotating position 140a to be displaced. Finally, the clamping closure point of the first clamping member 110 and the second clamping member 120 no longer acts on the original position, but acts on the new pipe section.

[0073] By rotating the component 140, the pipe is deflected at an angle, thereby changing the direction of force on the pipe. By moving the component 130, the position of the clamping point on the pipe is changed, realizing the periodic adjustment of the clamping point in space. This effectively avoids long-term pressure and deformation in a fixed area of ​​the pipe, thereby reducing the risk of damage caused by stress concentration.

[0074] Each time the pipeline is shut down, the clamping point of the pipeline is different, the wear location is dispersed, the fatigue stress on the pipeline as a whole is reduced, and the service life is significantly improved.

[0075] It should be noted that the first clamping member 110 and the second clamping member 120 are arranged opposite to each other, forming a clamping space 120a for accommodating the pipe. Within this clamping space 120a, a movable member 130 is provided, and the movable member 130 is provided with a movable groove.

[0076] The rotating component 140 is mounted on the moving component 130, and part of the structure is embedded in the movable groove. The rotating component 140 is provided with a rotating position 140a, which is the area that contacts the pipe and is used to apply deflection to the pipe.

[0077] In at least one embodiment of this application, the pipe fixing structure 100 further includes:

[0078] The base 150, the first clamping member 110 and the second clamping member 120 are both mounted on the base 150, the base 150 has a motion groove 150a, and the motion groove 150a is connected to the clamping space 120a;

[0079] The movable component 130 includes:

[0080] The drive assembly 131 is mounted on the base 150 and extends into the motion groove 150a;

[0081] The moving component has one end located in the motion groove 150a and is connected to the drive component 131, and the other end extends into the clamping space 120a.

[0082] Please refer to Figures 1-5 In this embodiment, the base 150 is generally a rectangular plate. The first clamping member 110 and the second clamping member 120 are fixedly installed on the base 150. The base 150 has a motion groove 150a, which communicates with the clamping space 120a above, serving as a guide rail area for the movement of the moving component.

[0083] The drive assembly 131 is mounted on the base 150, and a portion of its structure extends into the motion groove 150a. The drive assembly 131 is used to generate linear movement force and provide a power source for the sliding of the moving assembly.

[0084] One end of the moving component is located in the motion groove 150a and is mechanically connected to the drive component 131. The other end of the moving component extends into the clamping space 120a to drive the movement of the pipe in the clamping mechanism. Under the action of the drive component 131, the moving component slides along the motion groove 150a, thereby causing the rotating component 140 and the pipe in the rotating position 140a to move in position.

[0085] The clamping position can be moved as needed by the sliding action of the moving component. The clamping point can be automatically adjusted according to the frequency of use, the set program or the service life to prevent long-term pressure on the same position.

[0086] The motion slot 150a defines the movement path, ensuring that the moving components run smoothly within the predetermined trajectory and improving control accuracy.

[0087] In at least one embodiment of this application, the moving component includes:

[0088] The first moving block 1311 extends one end into the motion groove 150a and is slidably connected to the motion groove 150a. The first moving block 1311 is connected to the drive assembly 131 in a transmission manner.

[0089] The second moving block 1312 is slidably disposed on the first moving block 1311, and the movable groove is formed between the second moving block 1311 and the first moving block 1311.

[0090] Please refer to Figures 1-5 In this embodiment, one end of the first moving block 1311 is inserted into the motion groove 150a of the base 150 and forms a sliding fit connection with the motion groove 150a. The first moving block 1311 is connected to the drive component 131 through transmission. When the drive component 131 is activated, it can move linearly along the direction of the motion groove 150a.

[0091] The second moving block 1312 is slidably disposed on its surface, and a movable groove is formed between the second moving block 1312 and the first moving block 1311. A rotating component 140 is installed inside the movable groove.

[0092] The first moving block 1311 controls the overall position movement, and the second moving block 1312 cooperates with the rotating component 140 to complete the pipe deflection before clamping. The second moving block 1312 moves to get closer to the first moving block 1311 so as to clamp the pipe in the movable groove between the first moving block 1311 and the second moving block 1312. This allows the pipe to move together with the first moving block 1311 during its movement, thereby changing the clamping and closing position of the first clamping member 110 and the second clamping member 120.

[0093] In at least one embodiment of this application, the first moving block 1311 has a first rotating groove 1311a, and the second moving block 1312 has a second rotating groove 1312a. Both the first rotating groove 1311a and the second rotating groove 1312a are in communication with the movable groove.

[0094] The rotating component 140 includes:

[0095] Pull component 141 is mounted on the first movable block 1311;

[0096] The first rotating component 142 has one end disposed in the movable groove and the other end extends into the first rotating groove 1311a and is rotatably connected to the second moving block 1312.

[0097] The second rotating member 143 has one end located in the movable groove and the other end extending into the second rotating groove 1312a and rotatably connected to the second moving block 1312. One end of the pulling component 141 is fixed to the first rotating member 142 and is arranged around the second rotating member 143. The rotation position 140a is formed between the first rotating member 142 and the second rotating member 143.

[0098] The pulling component 141 moves to drive the first rotating component 142 and the second rotating component 143 to rotate, thereby causing the pipe on the rotating position 140a to deflect.

[0099] Please refer to Figures 1-5 In this embodiment, the first moving block 1311 and the second moving block 1312 are respectively provided with a first rotating groove 1311a and a second rotating groove 1312a. The pulling component 141 is installed on the first moving block 1311 to provide rotation drive. The first rotating component 142 and the second rotating component 143 are respectively installed in the movable groove, with one end embedded in the movable groove and the other end extending into the first rotating groove 1311a and the second rotating groove 1312a respectively.

[0100] The first rotating member 142 and the second rotating member 143 form a rotating position 140a. The rotating position 140a is used to clamp and drive the pipe segment to be deflected. One end of the pulling component 141 is fixed on the first rotating member 142 and surrounds the second rotating member 143. When the pulling component 141 is started, it drives the first and second rotating members 143 to rotate at the same time. The two rotating members rotate in linkage, causing the pipe between them to deflect at an angle, thereby changing the position and posture of the pipe when it is clamped.

[0101] Through the linkage of the first / second rotating member 143, the pipeline can be deflected before closing, thereby causing the clamping part 1314 to change its spatial position, realizing the multi-point distribution of the pipeline's force position and reducing the risk of local damage.

[0102] The deflected pipe experiences more even force during clamping, resulting in more reliable clamping and effectively preventing vacuuming or glue injection failures caused by unstable clamping, thus ensuring molding quality.

[0103] In at least one embodiment of this application, the first moving block 1311 has a first arc-shaped groove 1311b on the side near the second moving block 1312, and the second moving block 1312 has a second arc-shaped groove 1312b on the side near the first moving block 1311. The first rotating member 142 is located in the first arc-shaped groove 1311b, and the second rotating member 143 is located in the second arc-shaped groove 1312b. The first arc-shaped groove 1311b and the second arc-shaped groove 1312b surround each other to form the movable groove.

[0104] Please refer to Figures 1-5 In this embodiment, the first moving block 1311 is provided with an inwardly recessed first arc-shaped groove 1311b on the side near the second moving block 1312, and the second moving block 1312 is provided with an inwardly recessed second arc-shaped groove 1312b on the side near the first moving block 1311. The first arc-shaped groove 1311b and the second arc-shaped groove 1312b fit together and are arranged opposite to each other, together forming an annular or channel-shaped movable groove.

[0105] The first rotating component 142 is installed in the first arc-shaped groove 1311b, and the second rotating component 143 is installed in the second arc-shaped groove 1312b. The first rotating component 142 can move within the first arc-shaped groove 1311b under the movement of the pulling component 141, and the second rotating component 143 can move within the second arc-shaped groove 1312b under the movement of the pulling component 141. This causes the pipe in the movable groove to deflect at a certain angle, enabling automatic replacement of clamping points at different angles and effectively dispersing the stress area. This reduces the probability of damage caused by stress concentration and fundamentally extends the service life of the pipeline.

[0106] In at least one embodiment of this application, the first rotating member 142 includes a first arcuate portion 1421 and a first rotating portion 1422 connected to the first arcuate portion 1421;

[0107] The second rotating member 143 includes a second arcuate portion 1431 and a second rotating portion 1432 connected to the second arcuate portion 1431;

[0108] The first moving block 1311 has a first arc-shaped through groove 1311c, and the second moving block 1312 has a second arc-shaped through groove 1312c. The first arc-shaped portion 1421 is located in the first arc-shaped groove 1311b, and the first rotating portion 1422 extends through the first arc-shaped groove 1311b into the first arc-shaped through groove 1311c. The second arc-shaped portion 1431 is located in the second arc-shaped groove 1312b, and the second rotating portion 1432 extends through the second arc-shaped groove 1312b into the second arc-shaped through groove 1312c.

[0109] Please refer to Figures 1-5 In this embodiment, the first arc-shaped portion 1421 is curved and fits into the first arc-shaped groove 1311b, serving as a guide and limiting element. The first rotating portion 1422 is approximately T-shaped and connected to the first arc-shaped portion 1421, extending through the first arc-shaped groove 1311b into the first arc-shaped through groove 1311c. The second rotating member 143 is the same as the first rotating member 142.

[0110] Before the clamping action, the pulling component 141 acts on the first rotating part 1422. As the pulling component 141 tightens or releases, the first rotating part 1422 rotates in the first arc-shaped channel, causing the first arc-shaped part 1421 connected to it to rotate in the first arc-shaped groove 1311b. The first arc-shaped part 1421 causes the pipe area at the central rotating position 140a to deflect, thereby causing the pipe clamped thereto to deflect at a certain angle. Finally, in conjunction with the clamping component, the dynamic clamping point changes are achieved, and the closing operation is completed. Before each pipe closure, the deflection action guides the change of the clamping point, effectively dispersing clamping wear and reducing fatigue damage caused by repeated pressure on the pipe at the same position.

[0111] In at least one embodiment of this application, the pulling component 141 includes:

[0112] The winding motor 1411 is fixed to the first moving block 1311;

[0113] The pull rope 1412 has one end fixed to the first rotating member 142 and the other end wrapped around the second rotating member 143 and located on the output end of the winding motor 1411.

[0114] Please refer to Figures 1-5 In this embodiment, when the winding motor 1411 starts, the output shaft drives the pull rope 1412 to tighten. When the pull rope 1412 is tightened, one end of it is fixed to the first rotating member 142, and the other end is wrapped around the second rotating member 143. Therefore, the two are pulled by the pull rope 1412 and rotate synchronously. When the first and second rotating members 143 rotate, they rotate together, causing the pipe clamped therein to deflect at a preset angle. After the pipe deflects to the target angle, the second clamping member 120 starts to work and clamps the pipe at the new angle and position, realizing non-fixed point clamping, and achieving the purpose of protecting the pipe and controlling the flow of fluid.

[0115] In at least one embodiment of this application, the first moving block 1311 includes:

[0116] The moving part 1313 extends into the moving groove 150a at one end and into the clamping space 120a at the other end, and is driven by the lead screw of the drive assembly 131.

[0117] A clamping part 1314 is provided on the moving part 1313;

[0118] The mounting part 1315 is disposed opposite to the clamping part 1314;

[0119] A sliding part 1316 is mounted on the moving part 1313, and the second moving block 1312 is slidably connected to the sliding part 1316;

[0120] The mobile component also includes:

[0121] The elastic element 133 has one end abutting against the mounting part 1315 and the other end abutting against the second moving block 1312.

[0122] Please refer to Figures 1-5 In this embodiment, the pipe is placed in the movable groove, and the elastic member 133 generates elastic force to push the second moving block 1312 close to the clamping part 1314. The second moving block 1312 slides on the sliding part 1316, so that the second rotating member 143 on the second moving block 1312 and the first rotating member 142 on the first moving block 1311 clamp the pipe. Then, the first moving block 1311 moves linearly under the movement of the driving component 131 to drive the pipe to move, thereby changing the clamping point of the pipe.

[0123] The compressibility of the elastic element 133 enables the clamp to have a certain degree of automatic alignment and adaptive clamping capability, adapting to pipes of different diameters or flexible pipes.

[0124] In at least one embodiment of this application, the driving component 131 includes:

[0125] A drive motor 134 is mounted on the base 150;

[0126] One end of the drive screw 135 extends into the motion groove 150a and is driven by the screw of the moving component.

[0127] A belt 136 is fitted onto the output end of the drive motor 134 and the other end of the drive screw 135.

[0128] Please refer to Figures 1-5 In this embodiment, one end of the drive screw 135 extends into the motion groove 150a, forming a screw drive pair with the nut or threaded structure inside the moving component. As the screw rotates, the nut moves along the screw axis, thereby driving the first moving block 1311 to perform linear reciprocating motion, achieving precise position adjustment of the clamping position or clamping direction. This facilitates automatic switching and uniform distribution of clamping point positions during composite material molding. The linkage with the rotating component further enables periodic changes in the pipe clamping points, effectively reducing the risk of local fatigue damage.

[0129] In at least one embodiment of this application, the first clamping member 110 is provided with a fixed arc surface 110a;

[0130] The second clamping member 120 includes:

[0131] Electric cylinder 121 is mounted on the base 150;

[0132] The clamping block 122 has one end fixed to the output end of the electric cylinder 121, and the other end is provided with an abutting auxiliary surface 122a and an abutting arc surface 122b. The abutting auxiliary surface 122a is provided on both sides of the abutting arc surface 122b, and the abutting arc surface 122b is arranged opposite to the fixed arc surface 110a.

[0133] Please refer to Figures 1-5 In this embodiment, the first clamping member 110 is provided with a fixed arc surface 110a, that is, the shape of the clamping surface is an outwardly protruding arc, which is used to stabilize one side of the contact pipe.

[0134] The pipe is placed between the first clamping member 110 and the second clamping member 120, that is, at the initial gap between the fixed arc surface 110a and the clamping block 122.

[0135] When the electric cylinder 121 receives the control signal, it begins to advance its output end, pushing the clamping block 122 to move in a linear direction.

[0136] During the movement of the clamping block 122, its abutting arc surface 122b first contacts the pipe. As it moves further, the abutting arc surface 122b gradually approaches and forms a covering clamp with the fixed arc surface 110a of the first clamping member 110, generating flexible compression on the pipe. Because the pipe is clamped and deformed, its inner cavity is sealed, achieving the purpose of blocking vacuum or injection fluid. The electric cylinder 121 moves in the opposite direction, the clamping block 122 retracts, the clamping force is released, the pipe returns to its original state, and the flow is restored.

[0137] A continuous arc-shaped closed space is formed between the fixed arc surface 110a and the abutting arc surface 122b, which fits the shape of the hose, making the pipe more evenly stressed and avoiding damage caused by single-point sharp compression.

[0138] The abutting arc surface 122b and the auxiliary surfaces on both sides form a three-point clamping contact structure, which can effectively spread the clamping force distribution range and reduce material fatigue and the risk of breakage under long-term use.

[0139] Since the clamping points no longer experience sharp deformation, the pipes can be repeatedly clamped and reused, reducing the frequency of replacement and avoiding problems such as resin leakage and vacuum failure caused by pipe damage, thus ensuring the consistency and quality of composite material molding.

[0140] The above description is merely an embodiment of this application. It should be noted that those skilled in the art can make improvements without departing from the inventive concept of this application, but these improvements all fall within the protection scope of this application.

Claims

1. A pipe fixing structure characterized by comprising: include: First clamping component; The second clamping member is disposed opposite to the first clamping member, and a clamping space is formed between the first clamping member and the second clamping member; A movable component is disposed within the clamping space, and the movable component is provided with a movable groove. A rotating component is mounted on the movable component and partially located within the movable groove; the rotating component is provided with a rotation position. Before the pipe is closed, the rotating component causes the pipe at the rotating position to deflect by an angle, and the moving component moves to move the pipe at the rotating position, thereby changing the clamping and closing position of the first clamping member and the second clamping member on the pipe.

2. The pipe fixing structure according to claim 1, characterized by The pipe fixing structure also includes: The base, the first clamping member and the second clamping member are both mounted on the base, the base has a motion groove, and the motion groove is connected to the clamping space; The movable component includes: A drive assembly is mounted on the base and extends into the motion slot; The movable component has one end located in the motion slot and is connected to the drive component for transmission, and the other end extends into the clamping space.

3. The pipe fixing structure according to claim 2, characterized by The moving component includes: The first movable block extends one end into the motion groove and is slidably connected to the motion groove. The first movable block is connected to the drive assembly in a transmission manner. The second movable block is slidably disposed on the first movable block, and the movable groove is formed between the two blocks.

4. The pipe fixing structure according to claim 3, characterized by The first movable block has a first rotating groove, and the second movable block has a second rotating groove. Both the first rotating groove and the second rotating groove are connected to the movable groove. The rotating component includes: A pull assembly is mounted on the first movable block; The first rotating component has one end disposed in the movable groove and the other end extending into the first rotating groove, and is rotatably connected to the second moving block. The second rotating component has one end located in the movable groove and the other end extending into the second rotating groove and rotatably connected to the second moving block. One end of the pulling component is fixed to the first rotating component and is arranged around the second rotating component. The rotating position is formed between the first rotating component and the second rotating component. The pulling component moves to drive the first rotating member and the second rotating member to rotate, thereby causing the pipe at the rotating position to deflect.

5. The pipe fixing structure according to claim 4, characterized by The first rotating member has a first arc-shaped groove on the side near the second rotating member, and the second rotating member has a second arc-shaped groove on the side near the first rotating member. The first arc-shaped groove and the second arc-shaped groove surround each other to form the rotating position.

6. The pipe fixing structure according to claim 5, characterized by The first rotating member includes a first arc-shaped portion and a first rotating portion connected to the first arc-shaped portion; The second rotating member includes a second arc-shaped portion and a second rotating portion connected to the second arc-shaped portion; The first moving block has a first arc-shaped through groove, and the second moving block has a second arc-shaped through groove. The first arc-shaped part is located in the first arc-shaped groove, and the first rotating part extends through the first arc-shaped groove into the first arc-shaped through groove. The second arc-shaped part is located in the second arc-shaped groove, and the second rotating part extends through the second arc-shaped groove into the second arc-shaped through groove.

7. The pipe fixing structure according to claim 4, characterized by The pulling component includes: A winding motor is fixed to the first movable block; Pull the rope, one end of which is fixed to the first rotating component, and the other end of which wraps around the second rotating component and is located on the output end of the winding motor.

8. The pipe fixing structure according to claim 3, characterized by The first moving block includes: The movable part extends into the motion groove at one end and into the clamping space at the other end, and is driven by the lead screw of the drive assembly. A clamping part is provided on the movable part; The mounting part is disposed opposite to the clamping part; A sliding part is mounted on the moving part, and the second moving block is slidably connected to the sliding part; The moving component also includes: The elastic element has one end abutting against the mounting part and the other end abutting against the second movable block.

9. The pipe fixing structure according to claim 2, characterized in that, The driving component includes: A drive motor is mounted on the base. A drive screw, one end of which extends into the motion groove and is driven by the lead screw of the moving component; A belt is fitted onto the output end of the drive motor and the other end of the drive screw.

10. The pipe fixing structure according to claim 2, characterized by The first clamping member has a fixed arc surface; The second clamping member includes: An electric cylinder is mounted on the base. The clamping block has one end fixed to the output end of the electric cylinder, and the other end is provided with an abutting auxiliary surface and an abutting arc surface. The abutting arc surface is provided on both sides, and the abutting arc surface is arranged opposite to the fixed arc surface.