Core expanding tool for conveniently processing carbon fiber tube

Abstract

The utility model provides an expansion core tool for convenient carbon fiber tube processing, which comprises a working table top, table top support legs are arranged at both ends of the bottom of the working table top, assembly polyhedral shafts are arranged at both ends above the working table top, and spreading plates are arranged on the outer sides of the two assembly polyhedral shafts in an annular array mode. Protection mechanisms for protecting the distraction plates are arranged on the outer sides of the distraction plates, each protection mechanism comprises a protection sleeve, the protection sleeves wrap the outer sides of the tops of the distraction plates, limiting strips are arranged on the tops of the inner sides of the protection sleeves in an array mode, and the protection sleeves of the protection mechanisms serve as buffer layers to reduce direct contact between the distraction plates and the inner wall of the carbon fiber tube; direct abrasion of the expanding plate and the carbon fiber tube is reduced, the service life of the expanding sleeve is prolonged, the abrasion rate is reduced, metal burrs, pits or oxide skin and the like are prevented from being generated on the contact face of the expanding plate and the inner wall of the carbon fiber tube in the working process, and therefore the situation that the metal burrs and the like damage the inner wall of the carbon fiber tube and reduce the quality of the carbon fiber tube is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of core expanding tool for facilitating carbon fiber pipe processing, belong to round equipment technical field. BACKGROUND

[0002] Carbon fiber pipe is tubular structural member made of carbon fiber reinforced resin matrix composite, is processed by carbon fiber prepreg layer, curing forming process (such as autoclave, winding forming), carbon fiber pipe is often thin-walled part, and the radial clamping force of traditional fixture can easily lead to roundness deformation (such as "ovalization"), affect subsequent assembly accuracy (such as cooperating shaft parts), and using core expanding tool can tighten pipe wall from carbon fiber pipe inside, utilize material hoop strength, reduce deformation while ensuring positioning accuracy.

[0003] In the process of processing carbon fiber pipe, the surface of the expansion sleeve will be scratched or the size will be reduced in the process of long-term contact and extrusion with the inner wall of the carbon fiber pipe, and at the same time, the carbon fiber debris remaining in the process of processing the carbon fiber pipe or the particles in the cutting fluid will exacerbate the scratching of the surface of the expansion sleeve when the expansion sleeve acts on the inner wall of the carbon fiber pipe, and the metal burrs, pits or oxide skin generated on the surface of the worn expansion sleeve will be embedded in the inner wall of the carbon fiber pipe when it is expanded, causing scratches, indentations or peeling of the resin layer on the inner wall of the carbon fiber pipe, affecting the quality of the carbon fiber pipe. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the utility model aims to provide a kind of core expanding tool for facilitating carbon fiber pipe processing to solve the problem that metal burrs generated on the surface of the worn expansion sleeve will be embedded in the inner wall of the carbon fiber pipe when it is expanded, causing scratches on the inner wall of the carbon fiber pipe.

[0005] In order to achieve the above-mentioned purpose, the utility model is realized by the following technical scheme: a kind of core expanding tool for facilitating carbon fiber pipe processing, including workbench, the both ends of the bottom of workbench are equipped with table leg, the both ends of the upper side of workbench are placed with assembly multi-surface shaft, two The outer side of assembly multi-surface shaft is placed with strutting plate in annular array;

[0006] The outer side of the strutting plate is provided with a protection mechanism for protecting the strutting plate, the protection mechanism includes a protective sleeve, the protective sleeve is wrapped outside the top of the strutting plate, a limiting strip is arranged in array on the inner side of the protective sleeve, a limiting groove is formed in array on the outer side of the top of the strutting plate, and the limiting strip is inserted into the limiting groove one by one, a fixing stud is installed at both ends of the bottom of the strutting plate, a fixing frame is placed below the strutting plate, and the top of the fixing frame is in contact with the bottom of the protective sleeve, a assembly ear plate is arranged at both ends of the inner side of the fixing frame, a fixing screw hole is formed in the top of the two assembly ear plates, and the two fixing studs are respectively sleeved in the two fixing screw holes.

[0007] Furthermore, the bottom of the support plate has fixed holes arranged in an array at both ends, the bottom of the protective sleeve has limiting through holes arranged in an array at both ends, and the limiting through holes are distributed one-to-one with the fixed holes. The top of the support plate has fixed posts arranged in an array at both ends, and the fixed posts are distributed one-to-one with the limiting through holes. The fixed posts pass through the limiting through holes and are inserted into the fixed holes.

[0008] Furthermore, both of the assembled multifaceted shafts have mounting cavities arranged in a ring array on their outer sides. A bidirectional lead screw is installed between the two ends of each mounting cavity. An adjusting slider is sleeved at both ends of the middle part of the outer side of each bidirectional lead screw. A movable rod is hinged to the top of each adjusting slider, and the movable rods are distributed in pairs. The ends of the pairs of movable rods away from the adjusting sliders are respectively hinged to the two ends of the bottom of the support plate. The support plates are arranged in a ring array on the outer sides of both assembled multifaceted shafts.

[0009] Furthermore, a drive gear is installed at one end of each of the two bidirectional lead screws, an assembly frame is fitted at one end of each of the two assembly multifaceted shafts, one end of each of the two assembly frames is installed above one side of each of the two assembly plates, a drive motor is installed on one side of each of the two assembly frame cavities, and a power gear is installed at the output end of each of the two drive motors, and the power gear meshes with the drive gear.

[0010] Furthermore, the two ends of the workbench are provided with loading and unloading mechanisms to facilitate the loading and unloading of carbon fiber tubes. The loading and unloading mechanism includes an assembly frame, with two assembly frames respectively installed at both ends of the workbench. A bidirectional screw is installed between the two ends of the cavity of each of the two assembly frames. A movable slider is installed at the middle of the outer side of each of the two bidirectional screws. The top of the movable slider is connected to the two ends of one side of each of the two C-shaped assembly frames. The two C-shaped assembly frames are located at the two ends of the top of the workbench, and the bottom of each of the two assembly plates is installed at one end of the top of each of the two C-shaped assembly frames.

[0011] Furthermore, a power motor is installed at one end of the bottom of the worktable, and a power shaft is installed at the output end of the power motor. Both ends of the power shaft are fitted with drive belts, and the ends of the two drive belts away from the power shaft are respectively fitted on the outside of one end of two bidirectional screws.

[0012] Furthermore, auxiliary frames are installed at both ends of one side of the two C-shaped assembly frames, and the auxiliary frames are distributed in pairs. The bottom of the auxiliary frames is installed at both ends of the top of the two auxiliary plates, and the two auxiliary plates are located on both sides of the workbench. Auxiliary pulleys are installed at both ends of the bottom of the two auxiliary plates.

[0013] The beneficial effects of this utility model are:

[0014] By using the protective sleeve of the protective mechanism as a buffer layer, the direct contact between the expansion plate and the inner wall of the carbon fiber tube is reduced, thus reducing direct wear between the two, extending the life of the expansion sleeve, reducing the wear rate, and preventing the generation of metal burrs, pits, or oxide scale on the contact surface between the expansion plate and the inner wall of the carbon fiber tube during operation. This avoids damage to the inner wall of the carbon fiber tube caused by metal burrs, which would reduce the quality of the carbon fiber tube.

[0015] With the help of components such as the fixing studs in the protection mechanism, users can quickly and easily replace damaged protective covers. This allows users to replace the protective covers regularly, ensuring their effectiveness and preventing damaged covers from affecting the operation of the expansion plate.

[0016] The loading and unloading mechanism allows the multi-faceted shaft of the device to move along with the support plate, making it easier for users to load and unload carbon fiber tubes onto the device, greatly improving the convenience of using the device. At the same time, the support plate, through the cooperation of movable rods and other parts, can accommodate carbon fiber tubes of various sizes. Attached Figure Description

[0017] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the structure of a core-expanding tool for facilitating the processing of carbon fiber tubes according to the present invention;

[0019] Figure 2 This is a schematic diagram of the expansion plate and protective sleeve in a core-expanding tooling for facilitating carbon fiber tube processing according to this utility model.

[0020] Figure 3 This is a schematic diagram of the fixing frame, assembly ear plate and fixing screw hole in a core expansion tooling for facilitating carbon fiber tube processing according to this utility model;

[0021] Figure 4 This is a schematic diagram of a bidirectional lead screw, adjusting slider, and movable rod in a core-expanding tooling for facilitating carbon fiber tube processing according to this utility model;

[0022] Figure 5 This is a schematic diagram of the assembly frame, drive motor, and power gear disc in an expansion tooling for facilitating carbon fiber tube processing according to this utility model.

[0023] Figure 6 This is a schematic diagram of the auxiliary frame, auxiliary plate, and auxiliary pulley in a core-expanding tooling for facilitating carbon fiber tube processing according to this utility model;

[0024] In the diagram: 1. Workbench; 2. Workbench support legs; 3. Assembled multi-faceted shaft; 4. Spreading plate; 5. Protective sleeve; 6. Restriction strip; 7. Restriction groove; 8. Fixing stud; 9. Fixing frame; 10. Assembled ear plate; 11. Fixing screw hole; 12. Fixing locking hole; 13. Restriction through hole; 14. Fixing locking post; 15. Mounting cavity; 16. Two-way lead screw; 17. Adjusting slider; 18. Movable rod; 19. Drive gear plate; 20. Assembly frame; 21. Drive motor; 22. Power gear plate; 23. Assembly frame; 24. Two-way lead screw; 25. Moving slider; 26. C-type assembly frame; 27. Power motor; 28. Power shaft; 29. ​​Drive belt; 30. Auxiliary frame; 31. Auxiliary plate; 32. Auxiliary pulley; 33. Assembly plate. Detailed Implementation

[0025] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0026] Please see Figures 1-5 This utility model provides a technical solution: a core expansion fixture for facilitating carbon fiber tube processing, including a worktable 1, with table legs 2 installed at both ends of the bottom of the worktable 1, and assembly multi-faceted shafts 3 placed at both ends of the top of the worktable 1. A support plate 4 is arranged in a ring array on the outer side of each of the two assembly multi-faceted shafts 3. A protective mechanism is provided on the outer side of each support plate 4, including a protective sleeve 5. The protective sleeve 5 wraps around the outer side of the top of the support plate 4. A limiting strip 6 is arranged in an array on the top of the inner side of the protective sleeve 5. A limiting groove 7 is arranged in an array on the outer side of the top of the support plate 4, and the limiting strip 6 is inserted into the limiting groove 7 one-to-one. Fixing studs 8 are installed at both ends of the bottom of the support plate 4. A fixing frame 9 is placed below the support plate 4, and the top of the fixing frame 9 contacts the bottom of the protective sleeve 5. Assembly ear plates 10 are provided at both ends of the inner side of the fixing frame 9. Fixing screw holes 11 are opened on the top of each of the two assembly ear plates 10, and the two fixing studs 8 are respectively fitted into the two fixing screw holes 11.

[0027] See Figures 4-5The bottom of the support plate 4 has fixed locking holes 12 arranged in an array at both ends. The bottom of the protective sleeve 5 has limiting through holes 13 arranged in an array at both ends, and the limiting through holes 13 correspond one-to-one with the fixed locking holes 12. The top of the support plate 4 has fixed locking posts 14 arranged in an array at both ends, and the fixed locking posts 14 correspond one-to-one with the limiting through holes 13. The fixed locking posts 14 pass through the limiting through holes 13 and are inserted into the fixed locking holes 12. The outer sides of the two assembled multi-faceted shafts 3 have mounting cavities 15 arranged in an annular array. A bidirectional lead screw 16 is installed between the two ends of the mounting cavity 15. Adjusting sliders 17 are sleeved on the middle ends of the outer sides of the bidirectional lead screw 16. The top of the adjusting slider 17 Each of the two assembly multifaceted shafts 3 is hinged with movable rods 18, and the movable rods 18 are distributed in pairs. The ends of the movable rods 18 that are away from the adjusting slider 17 are respectively hinged to the two ends of the bottom of the support plate 4. The support plates 4 are distributed in a ring array on the outside of the two assembly multifaceted shafts 3. One end of the two bidirectional lead screws 16 is equipped with a drive gear 19. One end of the two assembly multifaceted shafts 3 is fitted with an assembly frame 20. One end of the two assembly frames 20 is respectively installed above one side of the two assembly plates 33. One side of the cavity of the two assembly frames 20 is equipped with a drive motor 21. The output end of the two drive motors 21 is equipped with a power gear 22, and the power gear 22 meshes with the drive gear 19.

[0028] See Figure 1 and Figure 6 The workbench 1 has loading and unloading mechanisms at both ends to facilitate the loading and unloading of carbon fiber tubes. These mechanisms include assembly frames 23, with two frames 23 respectively installed at both ends of the workbench 1. A double-ended screw 24 is installed between the two ends of each assembly frame 23. Moving sliders 25 are installed at the middle of the outer sides of each of the two double-ended screws 24. The tops of the moving sliders 25 are connected to the two ends of one side of two C-shaped assembly frames 26. The two C-shaped assembly frames 26 are located at the two ends of the top of the workbench 1, and the bottoms of two assembly plates 33 are respectively installed at one end of the top of the two C-shaped assembly frames 26. A power motor 27 is installed at one end of the bottom of the workbench 1. A power shaft 28 is installed at the output end of the power motor 27. Both ends of the power shaft 28 are fitted with drive belts 29. The ends of the two drive belts 29 away from the power shaft 28 are respectively fitted on the outside of one end of the two bidirectional screws 24. Auxiliary frames 30 are installed at both ends of one side of the two C-shaped assembly frames 26. The auxiliary frames 30 are distributed in pairs. The bottom of the auxiliary frames 30 is installed at both ends of the top of the two auxiliary plates 31. The two auxiliary plates 31 are located on both sides of the workbench 1. Auxiliary pulleys 32 are installed at both ends of the bottom of the two auxiliary plates 31.

[0029] Detailed implementation: The user starts the power motor 27, and the power shaft 28, in conjunction with the drive belt 29, causes the moving slider 25 to move the C-shaped assembly frame 26. The two C-shaped assembly frames 26 separate the two assembly multi-faceted shafts 3. During the movement of the C-shaped assembly frame 26, the auxiliary frame 30, the auxiliary plate 31, and the auxiliary pulley 32 are used to make the C-shaped assembly frame 26 move stably. The carbon fiber tube is placed between the two assembly multi-faceted shafts 3. The power motor 27 is started again, and the two assembly multi-faceted shafts 3 approach each other and enter the two ends of the inner wall of the carbon fiber tube respectively.

[0030] After the assembled multifaceted shaft 3 enters the inner wall of the carbon fiber tube, the drive motor 21 is started, causing the power gear 22 to rotate with the drive gear 19, thereby moving the adjusting slider 17 on the bidirectional lead screw 16. The movement of the adjusting slider 17 causes the movable rod 18 to push the expansion plate 4. Multiple expansion plates 4 move outward with the assembled multifaceted shaft 3 as the axis, and the protective sleeve 5 contacts the inner wall of the carbon fiber tube.

[0031] When the protective cover 5 is damaged, rotate the fixing stud 8 to move the fixing frame 9 away from the protective cover 5. At the same time, the fixing stud 8 disengages from the fixing clip hole 12 and the limiting through hole 13, and the protective cover 5 is no longer restricted. At this time, the user can remove the protective cover 5 wrapped on the expansion plate 4, and the replacement of the protective cover 5 is convenient and quick.

[0032] Although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A core-expanding tooling for facilitating carbon fiber tube processing, comprising a worktable (1), characterized in that, The worktable (1) has table legs (2) installed at both ends of the bottom, and assembly multi-faceted shafts (3) are placed at both ends of the top of the worktable (1). Spreading plates (4) are placed in a ring array on the outside of the two assembly multi-faceted shafts (3). The outer side of the expansion plate (4) is provided with a protective mechanism to protect the expansion plate (4). The protective mechanism includes a protective sleeve (5). The protective sleeve (5) wraps around the outer side of the top of the expansion plate (4). The top of the inner side of the protective sleeve (5) is provided with a series of limiting strips (6). The outer side of the top of the expansion plate (4) is provided with a series of limiting grooves (7). The limiting strips (6) are inserted into the limiting grooves (7) one by one. The bottom ends of the expansion plate (4) are provided with fixing studs (8). A fixing frame (9) is placed below the expansion plate (4). The top of the fixing frame (9) is in contact with the bottom of the protective sleeve (5). The inner ends of the fixing frame (9) are provided with assembly ear plates (10). The top of the two assembly ear plates (10) is provided with fixing screw holes (11). The two fixing studs (8) are respectively fitted into the two fixing screw holes (11).

2. The expansion tooling for facilitating carbon fiber tube processing according to claim 1, characterized in that, The bottom of the expansion plate (4) is provided with fixed holes (12) arranged in an array at both ends. The bottom of the protective sleeve (5) is provided with limiting through holes (13) arranged in an array at both ends. The limiting through holes (13) and the fixed holes (12) are distributed in a one-to-one correspondence. The top of the expansion plate (4) is provided with fixed posts (14) arranged in an array at both ends. The fixed posts (14) and the limiting through holes (13) are distributed in a one-to-one correspondence. The fixed posts (14) all pass through the limiting through holes (13) and are inserted into the fixed holes (12).

3. The expansion tooling for facilitating carbon fiber tube processing according to claim 1, characterized in that, The two assembled multifaceted shafts (3) are provided with mounting cavities (15) in a ring array on their outer sides. A two-way lead screw (16) is installed between the two ends of the mounting cavity (15). An adjusting slider (17) is sleeved on both ends of the middle part of the outer side of the two-way lead screw (16). A movable rod (18) is hinged to the top of the adjusting slider (17). The movable rods (18) are distributed in pairs. The ends of the two pairs of movable rods (18) away from the adjusting slider (17) are respectively hinged to the two ends of the bottom of the support plate (4). The two assembled multifaceted shafts (3) are provided with support plates (4) in a ring array on their outer sides.

4. The expansion tooling for facilitating carbon fiber tube processing according to claim 3, characterized in that, One end of each of the two-way lead screws (16) is equipped with a drive gear plate (19), and one end of each of the two assembly multifaceted shafts (3) is fitted with an assembly frame (20). One end of each of the two assembly frames (20) is installed above one side of each of the two assembly plates (33). One side of each of the two assembly frames (20) is equipped with a drive motor (21), and the output end of each of the two drive motors (21) is equipped with a power gear plate (22), and the power gear plate (22) meshes with the drive gear plate (19).

5. The expansion tooling for facilitating carbon fiber tube processing according to claim 1, characterized in that, The workbench (1) is provided with loading and unloading mechanisms at both ends to facilitate loading and unloading of carbon fiber tubes. The loading and unloading mechanism includes an assembly frame (23). Two assembly frames (23) are respectively installed at both ends of the workbench (1). Two bidirectional screws (24) are installed between the two ends of the cavity of the two assembly frames (23). Two movable sliders (25) are installed at the middle ends of the outer side of the two bidirectional screws (24). The top of the movable sliders (25) is respectively connected to the two ends of one side of the two C-shaped assembly frames (26). The two C-shaped assembly frames (26) are respectively located at the two ends of the top of the workbench (1). The bottom of the two assembly plates (33) are respectively installed at one end of the top of the two C-shaped assembly frames (26).

6. The expansion tooling for facilitating carbon fiber tube processing according to claim 5, characterized in that, A power motor (27) is installed at one end of the bottom of the worktable (1). A power shaft (28) is installed at the output end of one end of the power motor (27). Both ends of the power shaft (28) are fitted with drive belts (29), and the ends of the two drive belts (29) away from the power shaft (28) are respectively fitted on the outside of one end of the two bidirectional screws (24).

7. The expansion tooling for facilitating carbon fiber tube processing according to claim 6, characterized in that, Auxiliary frames (30) are installed at both ends of one side of the two C-shaped assembly frames (26), and the auxiliary frames (30) are distributed in pairs. The bottom of the auxiliary frames (30) is installed at both ends of the top of the two auxiliary plates (31), and the two auxiliary plates (31) are located on both sides of the workbench (1). Auxiliary pulleys (32) are installed at both ends of the bottom of the two auxiliary plates (31).

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