A tool thermocouple fixture for composite manufacturing

Abstract

The application belongs to the technical field of avionics system design, and particularly relates to a tool thermocouple fixing device for composite manufacturing. The device comprises a sliding block, a support rod, a support and a heat insulation layer. The sliding block is connected with a rotating screw rod in the horizontal direction, the end of the rotating screw rod is provided with a clamp, the clamp is used for clamping on the support beam column at the bottom of the tool, the support rod passes through the sliding block in the vertical direction and is fixed by a vertical tightening nut arranged on the sliding block, the support is hinged at the end of the support rod, and the tool thermocouple is installed on the top plane of the support through the heat insulation layer. The device provided by the application is simple to install, firm in support, can be quickly replaced in position by sliding the sliding block and adjusting the angle of the support, and meets the use requirements in the heat distribution test stage.

Description

Technical Field

[0001] This application belongs to the field of tooling testing technology, specifically relating to a tooling thermocouple fixing device for composite material manufacturing. Background Technology

[0002] The thermocouples positioned at the bottom of the fixture can indicate the part's temperature during the curing process simply by covering them with an appropriate insulation layer; there is no need to embed the thermocouples within the part's clear edge. The placement of the thermocouples and the type of insulation layer need to be determined through multiple fixture heat distribution tests. The thermocouples and insulation layer are fixed to the bottom of the fixture to participate in the subsequent part curing process. Currently, there are two methods for fixing the tooling thermocouples and insulation layers: First, high-temperature resistant tape bonding. The disadvantage is that in high-temperature and high-pressure environments, there is a high risk of them falling off under strong airflow. Once the tooling thermocouple falls off, the curing temperature of the parts cannot be detected, and the parts must be scrapped. After the parts cure, new high-temperature resistant tape needs to be replaced, and frequent replacement affects production efficiency. Second, the tooling thermocouples and insulation layers are fixed to the bottom of the tooling by welding or screwing. The disadvantage is that because the space at the bottom of the tooling is small, it is difficult for personnel to operate when welding or screwing. Local construction at the bottom of the tooling will affect the surface accuracy of the tooling. It is also difficult to replace the tooling thermocouples and insulation layers when they are damaged, and it cannot meet the needs of heat distribution testing, which requires multiple changes in position and insulation layers. Utility Model Content

[0003] To address the aforementioned issues, this application provides a tooling thermocouple fixing device for composite material manufacturing. The tooling thermocouple in this device is fixed by a bracket, which does not affect the tooling transport and is applicable to tooling with complex structures and large surface curvature.

[0004] The tooling thermocouple fixing device for composite material manufacturing provided in this application mainly includes a slider, a support rod, a bracket, and a heat insulation layer;

[0005] The slider is connected to a rotating screw in the horizontal direction, and a clamp is provided at the end of the rotating screw. The clamp is used to hold the slider on the support beam at the bottom of the fixture.

[0006] The support rod passes vertically through the slider and is secured by a vertical tightening nut set on the slider;

[0007] The bracket is hinged to the end of the support rod, and the tooling thermocouple is installed on the top plane of the bracket through the heat insulation layer.

[0008] Preferably, the slider is provided with a horizontal through hole, and a horizontal sleeve is installed in the horizontal through hole. The horizontal sleeve has an internal thread and is adapted to connect to a rotating screw. The horizontal sleeve is fixed by a horizontal tightening nut provided on the slider. A first locking hole communicating with the side of the slider is opened on the side of the horizontal through hole, and the horizontal tightening nut is provided in the first locking hole.

[0009] Preferably, the rotating screw includes two screws, located on both sides of the slider, and the two rotating screws rotate in opposite directions.

[0010] Preferably, the slider is provided with a vertical through hole, the support rod passes through the vertical through hole, and a second locking hole communicating with the side of the slider is opened on the side of the vertical through hole, and the vertical tightening nut is disposed in the second locking hole.

[0011] Preferably, the bracket is connected to the support rod via a ball joint.

[0012] Preferably, the inner surface of the clamp has anti-slip texture.

[0013] The device provided in this application is simple to install and has a firm support. It can be quickly changed in position by sliding the slider and adjusting the angle of the bracket, thus meeting the usage requirements of the heat distribution testing stage. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of a preferred embodiment of the tooling thermocouple fixing device for composite material manufacturing, as described in this application.

[0015] Figure 2 This application Figure 1 A schematic diagram of the device application in the illustrated embodiment.

[0016] Among them, 1-clamp, 2-rotating screw, 3-horizontal sleeve, 4-slider, 5-horizontal tightening nut, 6-support rod, 7-vertical tightening nut, 8-bracket, 9-insulation layer, 10-ball joint, 11-tooling thermocouple. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions in the embodiments of this application will be described in more detail below with reference to the accompanying drawings. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, not all, of the embodiments of this application. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application. The embodiments of this application will be described in detail below with reference to the accompanying drawings.

[0018] This application provides a tooling thermocouple fixing device for composite material manufacturing, such as... Figures 1-2 As shown, it mainly includes slider 4, support rod 6, bracket 8 and heat insulation layer 9;

[0019] The slider 4 is connected to a rotating screw 2 in the horizontal direction. A clamp 1 is provided at the end of the rotating screw 2. The clamp 1 is used to hold the slider on the support beam at the bottom of the tooling.

[0020] The support rod 6 passes through the slider 4 in the vertical direction and is fixed by the vertical tightening nut 7 set on the slider 4;

[0021] The bracket 8 is hinged to the end of the support rod 6, and the tooling thermocouple 11 is installed on the top plane of the bracket 8 through the heat insulation layer 9.

[0022] The slider 4 in this application serves as an adjustment hub in both horizontal and vertical directions. It connects to the clamp 1 via a rotating screw 2, enabling rapid clamping of the device onto the tooling frame. The support rod 6 passes through the vertical through-hole of the slider 4, and its height is fixed by vertically tightening the nut 7, ensuring that the bracket 8 can precisely press against the bottom of the tooling. The hinged design between the bracket 8 and the support rod 6 allows for angle adjustment, ensuring that the tooling thermocouple 11 is stably fitted to the tooling surface via the insulation layer 9. The overall structure solves the problems of easy tape detachment and difficult welding operations in the prior art, and is suitable for tooling with complex curvatures.

[0023] In some alternative embodiments, the slider 4 is provided with a horizontal through hole, and a horizontal sleeve 3 is installed in the horizontal through hole. The horizontal sleeve 3 has an internal thread and is adapted to connect the rotating screw 2. The horizontal sleeve 3 is fixed by a horizontal tightening nut 5 provided on the slider 4. A first locking hole communicating with the side of the slider is opened on the side of the horizontal through hole, and the horizontal tightening nut 5 is provided in the first locking hole.

[0024] In this embodiment, the horizontal sleeve 3 serves as a key adjustment component. Its internal thread engages with the rotating screw 2, allowing for adjustment of the clamp 1's spacing by screwing it in or out, accommodating tooling frames of varying widths. The horizontal tightening nut 5 is embedded in the first locking hole on the side of the slider 4 to lock the position of the horizontal sleeve 3, preventing accidental horizontal sliding of the slider. This design enhances the stability of the device during heat distribution testing, preventing displacement due to canister vibration. Simultaneously, loosening the horizontal tightening nut 5 allows rotation of the slider 4, thereby adjusting the angle of the support rod 6.

[0025] In some alternative embodiments, the rotating screw 2 comprises two screws, located on both sides of the slider 4, with the two rotating screws 2 rotating in opposite directions.

[0026] In this embodiment, the two rotating screws 2 are designed with opposite helical directions, such as left-hand thread on one end and right-hand thread on the other. When the horizontal sleeve 3 rotates, it can synchronously drive the two clamps 1 to move in opposite directions, achieving bidirectional rapid clamping or loosening. This structure significantly improves clamping efficiency and is especially suitable for scenarios that require frequent position adjustments.

[0027] In some alternative embodiments, the slider 4 is provided with a vertical through hole, the support rod 6 passes through the vertical through hole, and a second locking hole communicating with the side of the slider is opened on the side of the vertical through hole, and the vertical tightening nut 7 is disposed in the second locking hole.

[0028] In this embodiment, the vertical through hole and the second locking hole form the lifting channel of the support rod 6. The vertical tightening nut 7 is fixed by pressing the surface of the support rod 6, allowing for fine adjustment of the height of the bracket 8 and ensuring that the tooling thermocouple 11 is in close contact with the bottom of the tooling. This design avoids damage to the tooling surface caused by welding or screw connections, while simplifying the height adjustment operation.

[0029] In some alternative embodiments, the bracket 8 is connected to the support rod 6 via a ball joint 10.

[0030] In this embodiment, the ball joint 10 consists of a ball bearing and an outer ring. The ball bearing is fixed at the end of the support rod 6, and the outer ring is connected to the bracket 8. This structure allows the bracket 8 to deflect freely in three-dimensional space, automatically adapting to the curvature changes at the bottom of the fixture, ensuring that the insulation layer 13 and the fixture thermocouple 14 are always perpendicular to the monitoring point.

[0031] In some alternative embodiments, the inner surface of the clamp 1 has anti-slip texture.

[0032] In this embodiment, the anti-slip texture, such as serrations or a grid-like pattern, on the inner surface of the clamp 1 increases the friction with the tooling frame, preventing slippage under high temperature and pressure. This design enhances the long-term stability of the device, making it particularly suitable for tooling environments with complex structures and strong vibrations. In alternative embodiments, the clamp can also be an F-shaped, U-shaped caliper, or other quick-clamping structure.

[0033] This application has the following advantages compared with the prior art:

[0034] 1) This device is easy to install, has a firm support, and can be used for a long time after being fixed. The height of the vertical support can be adjusted to quickly replace the tooling thermocouple or insulation layer. The slider can be slidable and the support angle can be adjusted to quickly change the position, meeting the usage requirements of the heat distribution test stage.

[0035] 2) The thermocouple of the fixed fixture exerts very little force on the bottom of the fixture, which is different from welding or screw connection and will not affect the surface accuracy of the fixture.

[0036] 3) This device is installed on the tooling frame and does not affect the tooling transportation. The length and angle of the support can be adjusted according to the actual situation. It is suitable for tooling with complex structure and large surface curvature.

[0037] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A tooling thermocouple fixing device for composite material manufacturing, characterized in that, Includes slider (4), support rod (6), bracket (8) and heat insulation layer (9); The slider (4) is connected to a rotating screw (2) in the horizontal direction. A clamp (1) is provided at the end of the rotating screw (2). The clamp (1) is used to hold the tool on the support beam at the bottom of the tooling. The support rod (6) passes through the slider (4) in the vertical direction and is fixed by the vertical tightening nut (7) set on the slider (4); The bracket (8) is hinged to the end of the support rod (6), and the tooling thermocouple (11) is installed on the top plane of the bracket (8) through the insulation layer (9).

2. The tooling thermocouple fixing device for composite material manufacturing according to claim 1, characterized in that, The slider (4) is provided with a horizontal through hole, and a horizontal sleeve (3) is installed in the horizontal through hole. The horizontal sleeve (3) has an internal thread and is adapted to connect the rotating screw (2). The horizontal sleeve (3) is fixed by a horizontal tightening nut (5) provided on the slider (4). A first locking hole is opened on the side of the horizontal through hole, which connects to the side of the slider. The horizontal tightening nut (5) is provided in the first locking hole.

3. The tooling thermocouple fixing device for composite material manufacturing according to claim 2, characterized in that, The rotating screw (2) includes two screws, which are located on both sides of the slider (4) respectively, and the two rotating screws (2) have opposite directions of rotation.

4. The tooling thermocouple fixing device for composite material manufacturing according to claim 1, characterized in that, The slider (4) is provided with a vertical through hole, the support rod (6) passes through the vertical through hole, and a second locking hole is provided on the side of the vertical through hole, which connects to the side of the slider. The vertical tightening nut (7) is provided in the second locking hole.

5. The tooling thermocouple fixing device for composite material manufacturing according to claim 1, characterized in that, The bracket (8) is connected to the support rod (6) via a ball joint (10).

6. The tooling thermocouple fixing device for composite material manufacturing according to claim 1, characterized in that, The inner surface of the clamp (1) has anti-slip texture.

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