Automatic pipe bending clamp for aviation fuel pipe joint core

By designing an automatic bending fixture for aviation fuel pipe connector cores, the problems of wrinkling and shaking during bending of thin-walled connector cores with small bending radii were solved, achieving stable and efficient bending operations and improving product quality and production efficiency.

CN223801267UActive Publication Date: 2026-01-16JIANGXI FIRST HYDRAULIC
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Patent Information

Application Number
CN202520435210.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-01-16
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

When machining thin-walled aviation fuel pipe connector cores with small bending radii, wrinkles and wobbling are prone to occur, affecting product quality and work efficiency, and conventional fixtures have poor adaptability.

Method used

An automatic bending fixture for aviation fuel pipe connector cores is designed, comprising an abutment limiting component, a downward bending drive component, and an adjustment and positioning component. By passing a mandrel through the connector core, stable limiting and adaptability to bending operations of different specifications are achieved.

Benefits of technology

It effectively prevents wrinkles, improves bending quality and work efficiency, and ensures that the connector core can be bent stably under different specifications to meet production standards.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an aviation fuel pipe joint core automatic pipe bending clamp which comprises an upper supporting table, an abutting limiting assembly is installed on the upper supporting table, a strip-shaped groove is formed in the position, located on one side of the abutting limiting assembly, of the upper supporting table, and a lower bending driving component penetrating through the strip-shaped groove is arranged on the upper supporting table in a sliding mode. An abutting limiting assembly is installed on the upper supporting table, an adjusting and positioning assembly fixed to the upper supporting table is installed on one side of the abutting limiting assembly, a connector core is arranged between the abutting limiting assembly and the adjusting and positioning assembly, and a core rod is arranged in the connector core in a penetrating mode. According to the connector core bending device, the anti-wrinkle effect can be achieved during bending, meanwhile, stable limiting can be achieved while the distance between the connector cores can be adjusted according to connector cores of different specifications, the shaking problem is avoided, and the bending quality is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical manufacturing technical field, concretely relates to an automatic pipe bending clamp for aviation fuel pipe joint core. BACKGROUND

[0002] The aviation fuel pipe joint core is a key component in the fuel delivery system, and its design and performance directly affect the sealing, pressure resistance and operating efficiency of the system. During processing, the aluminum joint core generally needs to be bent. A bending machine is used to bend the aluminum joint core.

[0003] However, during bending, especially for aluminum joint cores with thin walls and small bending radii, wrinkles often occur at the bent part, which affects fuel delivery. Moreover, conventional bending equipment needs to be replaced with corresponding clamps to adapt to different pipe diameters, resulting in low work efficiency. Additionally, when mismatched clamps are used, the joint core may shake, causing the bending angle of the joint core to fail to meet the production standards and affecting product quality.

[0004] Currently, there is no effective solution to the problems in the related art. UTILITY MODEL CONTENT

[0005] To overcome the shortcomings of the prior art, the utility model provides an automatic pipe bending clamp for aviation fuel pipe joint core.

[0006] To achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme. An automatic pipe bending clamp for aviation fuel pipe joint core comprises an upper support table, a contact limiting component is installed on the upper support table, a strip-shaped groove is formed on one side of the contact limiting component on the upper support table, a lower bending driving member is slidably arranged on the upper support table and penetrates the strip-shaped groove, an adjusting positioning component is installed on the upper support table on one side of the contact limiting component, a joint core is arranged between the contact limiting component and the adjusting positioning component, and a core rod is arranged in the joint core.

[0007] Preferably, the contact limiting component comprises an upper positioning disc and a lower positioning disc, an arc-shaped positioning disc is arranged between the upper positioning disc and the lower positioning disc, a penetrating shaft is arranged at the center of the lower positioning disc and penetrates the arc-shaped positioning disc and the upper positioning disc, and a threaded sleeve is threadedly arranged on the top of the penetrating shaft.

[0008] Preferably, a bottom mounting disc is fixedly installed on the bottom center of the lower positioning disc through a fixed column, and the bottom mounting disc is fixed on the upper support table through a fixed nail.

[0009] Preferably, the adjusting and positioning assembly comprises an open shell fixed on the upper support table, a support partition is fixedly arranged in the open shell, a forward-reverse motor is fixedly arranged at one end of the open shell, and a transmission screw rod extending to the support partition is connected to an output end of the forward-reverse motor through a bearing.

[0010] Preferably, an outer threaded sleeve is threadedly arranged on the transmission screw rod, a movable push plate is movably arranged in the open shell, L-shaped support rods are fixedly arranged at two sides of the outer threaded sleeve and movably extend through the support partition and are connected with the movable push plate, sliding blocks are arranged at upper and lower ends of the movable push plate, guide grooves matched with the sliding blocks are formed in upper and lower inner walls of the open shell, a C-shaped frame is connected to the other side of the movable push plate through an extension column, and a resisting column is arranged in the C-shaped frame.

[0011] Preferably, the lower bending driving member comprises a lower fixing seat, a hydraulic telescopic rod is arranged on the lower fixing seat, a connecting block movably extending through the strip-shaped groove is connected to the hydraulic telescopic rod, a propelling block is fixedly arranged at one end of the connecting block located on the upper support table, and a recess is formed in the propelling block.

[0012] Preferably, a lower support table is arranged below the upper support table, the lower fixing seat is fixed on the lower support table, the lower support table and the upper support table are connected through four vertical columns, and a support leg is integrally connected to the lower support table.

[0013] The aviation fuel pipe joint core automatic pipe bending clamp has the following beneficial effects:

[0014] The upper support table is provided with the resisting and limiting assembly for resisting and limiting the joint core, the lower bending driving member can push the joint core to move and bend at a required angle, the adjusting and positioning assembly is arranged to pass through the core rod in the joint core, pass through the adjusting and positioning assembly and the resisting and limiting assembly, and can adjust the distance between the adjusting and positioning assembly and the resisting and limiting assembly according to the specification of the joint core, so that the effect of adapting to different joint cores is achieved, and the adjusting and positioning assembly can realize the bending effect when the lower bending driving member pushes the joint core to move. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings described in the following embodiments are only some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0016] Figure 1 It is a front view of an automatic pipe bending clamp for an aviation fuel pipe joint core according to an embodiment of the present application.

[0017] Figure 2 It is a structural schematic view of a resistance limiting assembly in an automatic pipe bending clamp for an aviation fuel pipe joint core according to an embodiment of the present application.

[0018] Figure 3 It is a structural schematic view of an adjusting and positioning assembly in an automatic pipe bending clamp for an aviation fuel pipe joint core according to an embodiment of the present application.

[0019] Figure 4 It is a structural schematic view of a lower bending driving member in an automatic pipe bending clamp for an aviation fuel pipe joint core according to an embodiment of the present application.

[0020] In the drawings:

[0021] 1, upper support table; 2, resistance limiting assembly; 3, strip-shaped groove; 4, lower bending driving member; 5, adjusting and positioning assembly; 6, stand column; 7, joint core; 8, core rod; 9, upper positioning disc; 10, lower positioning disc; 11, arc-shaped positioning disc; 12, through shaft; 13, screw thread sleeve; 14, bottom mounting disc; 15, open type shell; 16, support partition plate; 17, forward and reverse motor; 18, transmission screw rod; 19, outer screw thread sleeve; 20, moving push plate; 21, sliding block; 22, guide groove; 23, L-shaped support rod; 24, extension column; 25, C-shaped frame; 26, resistance column; 27, hydraulic telescopic rod; 28, lower fixed base; 29, connecting block; 30, pushing block; 31, groove; 32, lower support table; 33, support leg. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-4The utility model provides a kind of aviation fuel pipe joint core automatic pipe bending clamp, including upper support table 1, the upper support table 1 is equipped with resistance and limit component 2, the upper support table 1 is located the resistance and limit component 2 one side on and is equipped with strip groove 3, the lower bending drive member 4 of the strip groove 3 is slidably arranged on the upper support table 1, by being equipped with resistance and limit component 2 on upper support table 1, for the resistance of joint core 7, by the lower bending drive member 4 of being equipped with, joint core 7 can be pushed to move, according to the angle of need bending work, the resistance and limit component 2 one side is equipped with the adjustment positioning component 5 of being fixed on the upper support table 1, the resistance and limit component 2 and the adjustment positioning component 5 between being provided with joint core 7, and the core rod 8 is arranged in the joint core 7 and is penetrated, the adjustment positioning component 5 of being equipped with, after the core rod 8 of being penetrated in joint core 7, make it pass through adjustment positioning component 5 and resistance and limit component 2, and the distance between it can be adjusted according to the specification of joint core 7, reach the effect of adapting different joint core 7, simultaneously, adjustment positioning component 5 is as resistance and limit function, when lower bending drive member 4 pushes joint core 7 to move, bending effect can be realized.

[0024] In an embodiment, referring to the drawings Figure 2 The resistance and limit component 2 includes upper positioning disc 9 and lower positioning disc 10, arc positioning disc 11 is arranged between the upper positioning disc 9 and the lower positioning disc 10, the center of the lower positioning disc 10 is provided with through shaft 12 penetrating the arc positioning disc 11 and the upper positioning disc 9, the top of the through shaft 12 is threadedly sleeved with screw thread sleeve 13, the bottom center of the lower positioning disc 10 is fixedly installed with bottom mounting disc 14 through fixing column, and the bottom mounting disc 14 is fixed on the upper support table 1 through fixing nail. The positioning of joint core 7 is positioned by the arc positioning disc 11, and the bottom mounting disc 14 at the bottom end of the through shaft 12 is convenient to connect and fix with the upper support table 1.

[0025] In an embodiment, referring to the drawings Figure 3As shown, the adjusting positioning assembly 5 comprises an open housing 15 fixed on the upper support table 1, a support partition plate 16 fixedly installed in the open housing 15, a forward-reverse motor 17 fixedly installed at one end of the open housing 15, a transmission lead screw 18 connected to the support partition plate 16 through a bearing at the output end of the forward-reverse motor 17, an outer threaded sleeve 19 threadedly sleeved on the transmission lead screw 18, a moving push plate 20 movably arranged in the open housing 15, L-shaped support rods 23 fixedly installed on both sides of the outer threaded sleeve 19 and movably penetrating through the support partition plate 16 and connected with the moving push plate 20, sliding blocks 21 arranged at the upper and lower ends of the moving push plate 20, guide grooves 22 formed in the upper and lower inner walls of the open housing 15 and matched with the sliding blocks 21, a C-shaped frame 25 connected with the moving push plate 20 through an extension column 24 on the other side of the moving push plate 20, and a contact column 26 installed in the C-shaped frame 25. The forward-reverse motor 17 is arranged to drive the transmission lead screw 18 to rotate, and the outer threaded sleeve 19 cooperates with the L-shaped support rods 23 to move the moving push plate 20 under the action of the sliding blocks 21 and the guide grooves 22, so that the C-shaped frame 25 on the extension column 24 is pushed forward, the contact column 26 is translated, and the effect of adapting to different joint cores 7 is achieved.

[0026] In an embodiment, referring to the drawings Figure 4 As shown, the lower bending driving member 4 comprises a lower fixing seat 28, a hydraulic telescopic rod 27 installed on the lower fixing seat 28, a connecting block 29 movably penetrating through the strip-shaped groove 3 and connected to the hydraulic telescopic rod 27, a pushing block 30 fixedly arranged at one end of the connecting block 29 on the upper support table 1, and an arc-shaped recess 31 formed in the pushing block 30. When bending, the hydraulic telescopic rod 27 is arranged to drive the connecting block 29 to move, so that the pushing block 30 on the connecting block 29 is pushed forward, and the protection effect during pipe bending can be achieved by cooperating with the arc-shaped recess 31.

[0027] In an embodiment, referring to the drawings Figure 1 As shown, the lower support table 32 is arranged below the upper support table 1, the lower fixing seat 28 is fixed on the lower support table 32, four vertical columns 6 are arranged between the lower support table 32 and the upper support table 1, and a support leg 33 is integrally connected below the lower support table 32. The vertical columns 6 are arranged to support and fix the lower fixing seat 28 and the lower support table 32, and the support leg 33 is arranged to support the equipment.

[0028] In practical application, the abutting limiting assembly 2 is installed on the upper supporting table 1 and used for abutting the joint core 7; the lower bending driving member 4 is arranged and can push the joint core 7 to move and perform bending work according to the required angle; the adjusting and positioning assembly 5 is arranged, the core rod 8 is penetrated in the joint core 7, the core rod 8 passes through the adjusting and positioning assembly 5 and the abutting limiting assembly 2, the spacing between the adjusting and positioning assembly 5 and the abutting limiting assembly 2 can be adjusted according to the specification of the joint core 7, the effect of adapting to different joint cores 7 is achieved, meanwhile, the adjusting and positioning assembly 5 has the abutting limiting function, when the lower bending driving member 4 pushes the joint core 7 to move, the bending effect can be achieved, the structure is simple, the core rod 8 is penetrated in the joint core 7 before bending, the effect of preventing wrinkles during bending can be achieved, meanwhile, according to the joint core 7 of different specifications, the spacing can be adjusted and stable positioning can be achieved, the problem of shaking is avoided, and the quality of bending is improved.

[0029] Although the present specification is described according to the embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, the skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments which can be understood by the skilled in the art.

Claims

1. An automatic aviation fuel pipe joint core pipe bending clamp, characterized in that, The utility model provides a kind of upper support table (1), which is provided with a contact limiting component (2) mounted thereon, a strip-shaped slot (3) is formed on one side of the upper support table (1) relative to the contact limiting component (2), a lower bending driving member (4) is slidably arranged on the upper support table (1) and penetrates through the strip-shaped slot (3), an adjusting positioning component (5) is mounted on one side of the contact limiting component (2) and fixed on the upper support table (1), and a joint core (7) is arranged between the contact limiting component (2) and the adjusting positioning component (5), and a core rod (8) penetrates through the joint core (7).

2. An automatic aviation fuel pipe joint core bending clamp according to claim 1, characterized in that, The contact limiting component (2) comprises an upper positioning disc (9) and a lower positioning disc (10), and an arc-shaped positioning disc (11) is arranged between the upper positioning disc (9) and the lower positioning disc (10), a penetrating shaft (12) penetrates through the arc-shaped positioning disc (11) and the upper positioning disc (9) and is arranged at the center of the lower positioning disc (10), and a screw thread sleeve (13) is threadedly arranged on the top of the penetrating shaft (12).

3. An automatic aviation fuel pipe joint core bending clamp according to claim 2, characterized in that, A bottom mounting disc (14) is fixedly installed at the bottom center of the lower positioning disc (10) by a fixing column, and the bottom mounting disc (14) is fixed on the upper support table (1) by a fixing nail.

4. An automatic aviation fuel pipe joint core bending clamp according to claim 3, characterized in that, The adjusting positioning component (5) comprises an open shell (15) fixed on the upper support table (1), a support partition plate (16) is fixedly installed in the open shell (15), a forward-reverse motor (17) is fixedly installed at one end of the open shell (15), and a transmission screw rod (18) is connected to the output end of the forward-reverse motor (17) through a bearing and extends to the support partition plate (16).

5. An automatic aviation fuel pipe joint core bending clamp according to claim 4, characterized in that, An outer screw thread sleeve (19) is threadedly arranged on the transmission screw rod (18), a movable push plate (20) is movably arranged in the open shell (15), L-shaped support rods (23) are fixedly installed on both sides of the outer screw thread sleeve (19) and movably penetrate through the support partition plate (16) and are connected to the movable push plate (20), sliding blocks (21) are arranged at the upper and lower ends of the movable push plate (20), guide grooves (22) are formed in the upper and lower inner walls of the open shell (15) and match the sliding blocks (21), a C-shaped frame (25) is connected to the other side of the movable push plate (20) through an extension column (24), and a contact column (26) is installed in the C-shaped frame (25).

6. An automatic aviation fuel pipe joint core bending clamp according to claim 5, characterized in that, The lower bending driving member (4) comprises a lower fixing seat (28), a hydraulic telescopic rod (27) is installed on the lower fixing seat (28), a connecting block (29) movably penetrates through the strip-shaped slot (3) and is connected to the hydraulic telescopic rod (27), a propelling block (30) is fixedly arranged at one end of the connecting block (29) on the upper support table (1), and a recess (31) is formed in the propelling block (30).

7. An automatic aviation fuel pipe coupling core bending jig according to claim 6, characterized in that, The upper support table (1) is provided with a lower support table (32) below, the lower fixing seat (28) is fixed on the lower support table (32), the lower support table (32) and the upper support table (1) are connected through four vertical columns (6), and the lower support table (32) is integrally connected with a support leg (33) below.