Composite material repairing and polishing auxiliary tool

By designing composite material repair and grinding auxiliary tooling, and using automated grinding mechanisms and clamping mechanisms, the problems of grinding accuracy and efficiency in composite material repair are solved, and high-precision and high-efficiency automated grinding are achieved, reducing manual intervention and labor intensity.

CN119567059APending Publication Date: 2025-03-07SHANDONG TAIKOO AIRCRAFT ENG
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Patent Information

Application Number
CN202510082490.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2025-03-07

AI Technical Summary

Technical Problem

During the repair of composite materials, especially the grinding process of steps, the operation is difficult, the accuracy is difficult to control and the efficiency is low. The existing grinding methods mostly rely on manual handheld grinding tools, which are labor-intensive and difficult to ensure consistency and accuracy.

Method used

A composite material repair and grinding auxiliary tooling is designed, including the main frame, grinding mechanism, lateral translation mechanism, longitudinal translation mechanism, angle adjustment mechanism, clamping mechanism, dust removal mechanism and spraying mechanism. Through the combination of these structures, precise grinding and automatic operation of the composite material can be achieved.

Benefits of technology

It effectively improves grinding accuracy and efficiency, reduces manual intervention and labor intensity, ensures consistency of grinding and the protection of composite materials, and extends service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a composite material repairing and polishing auxiliary tool which comprises a main body frame, two protective doors are rotationally installed on the main body frame, a workbench is installed on the main body frame, a first protective pad is installed on the workbench, and a composite material body is installed on the first protective pad. Through the arrangement of a first forward and reverse rotation motor, a movable block, a sliding plate, a second forward and reverse rotation motor, a third electric telescopic rod and other structures, when a polishing wheel is used for polishing a composite material body, the movable block is used for driving the polishing wheel to transversely translate in the horizontal direction, and a first gear is used for driving the sliding plate to longitudinally translate in the horizontal direction; the grinding wheel can be effectively moved to any position of a composite material body for grinding, meanwhile, a rack is used for driving a second gear to rotate, so that the grinding wheel can be driven to adjust the angle, the grinding precision and efficiency can be effectively improved, manual intervention is reduced, and the labor intensity is reduced.
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Description

Technical Field

[0001] The invention relates to the technical field of composite material repair, in particular to a composite material repair and grinding auxiliary tool. Background Art

[0002] Composite materials are widely used in aerospace, automobile manufacturing, shipbuilding and other fields due to their excellent performance. However, in the repair process of composite parts, especially the grinding of steps, problems such as difficult operation, difficult to control precision and low efficiency are often encountered. Existing grinding methods mostly rely on manual handheld grinding tools, which is not only labor-intensive, but also difficult to ensure the consistency and precision of grinding.

[0003] Therefore, a composite material repair and grinding auxiliary tool is proposed. Summary of the invention

[0004] The purpose of the present invention is to provide a composite material repair and grinding auxiliary tool to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a composite material repair and grinding auxiliary tool, comprising a main frame, two protective doors are rotatably installed on the main frame, a workbench is rotatably installed on the main frame, a first protective pad is installed on the workbench, a composite material body is installed on the first protective pad, a grinding mechanism is installed on the main frame, a lateral translation mechanism is installed on the grinding mechanism, a longitudinal translation mechanism is installed on the lateral translation mechanism, an angle adjustment mechanism is installed on the longitudinal translation mechanism, and the angle adjustment mechanism is installed on the grinding mechanism, a dust removal mechanism and a spraying mechanism are installed on the main frame, a clamping mechanism is installed on the first protective pad, and the clamping mechanism is in contact with the composite material body; The grinding mechanism comprises a slider, which is slidably mounted on the top inner wall of the main frame in the left-right direction, a movable block is mounted on the slider, a partition is mounted on the movable block, a sliding plate is slidably mounted on the partition in the front-back direction, a first electric telescopic rod is mounted on the sliding plate, a baffle is mounted on the first electric telescopic rod, two vertical rods are mounted on the baffle, a rotating shaft is rotatably mounted on the two vertical rods, a mounting plate is mounted on the rotating shaft, a driving shaft is rotatably mounted on the mounting plate, a grinding wheel is mounted on one end of the driving shaft, and the grinding wheel contacts the composite material body; The clamping mechanism includes a plurality of second electric telescopic rods, each of which is mounted on the first protective pad. The second electric telescopic rods are provided with clamping claws, and the clamping claws are provided with second protective pads, which are in contact with the outer surface of the composite material body.

[0006] Preferably, a support plate is mounted on the mounting plate, a servo motor is mounted on the support plate, and the servo motor is coaxially connected to the drive shaft.

[0007] Preferably, the lateral translation mechanism includes a first forward and reverse motor, which is mounted on an inner wall of one side of the main frame. A screw is mounted on the first forward and reverse motor, and the other end of the screw is rotatably mounted on the inner wall of the main frame. The movable block is threadedly mounted on the screw.

[0008] Preferably, the longitudinal translation mechanism includes two second forward and reverse motors, both of which are installed on the partition, and both of the second forward and reverse motors are rotatably installed with a rotating shaft, both rotating shafts are installed with a first gear, both first gears are meshed with a toothed belt, and the two toothed belts are respectively installed on both sides of the sliding plate.

[0009] Preferably, the angle adjustment mechanism includes a third electric telescopic rod, which is installed on the baffle, and a transfer rod is installed on the third electric telescopic rod. Two racks are installed on the transfer rod along the left and right directions, and the two racks are slidably installed on the baffle. Two second gears are sleeved on the rotating shaft, and the two second gears are respectively meshed with the two racks.

[0010] Preferably, the dust removal mechanism includes two dust boxes, which are respectively installed on the outer surfaces of both sides of the main frame. Exhaust fans are installed on the two dust boxes. A connecting pipe is installed at the air inlet of the exhaust fan, and its air outlet is connected to the interior of the dust box. The head ends of the two connecting pipes are located in the main frame and face the composite material body.

[0011] Preferably, the spraying mechanism includes a liquid storage tank, which is installed on the outer surface of the main frame. A water pump is installed on the liquid storage tank. The inlet end of the water pump is connected to the liquid storage tank, and a spray pipe is installed at the outlet end. The head end of the spray pipe is located in the main frame and faces the composite material body.

[0012] Compared with the prior art, the present invention has the following beneficial effects: (1) The present invention, through the arrangement of the first forward and reverse motor, the movable block, the sliding plate, the second forward and reverse motor and the third electric telescopic rod and other structures, when the composite material body is polished by the grinding wheel, the movable block is used to drive the grinding wheel to perform horizontal translation, and the first gear is used to drive the sliding plate to perform longitudinal translation in the horizontal direction, so that the grinding wheel can be effectively moved to any position of the composite material body for polishing, and at the same time, the rack is used to drive the second gear to rotate, so as to drive the grinding wheel to adjust the angle, thereby effectively improving the polishing accuracy and efficiency, reducing manual intervention, and reducing labor intensity.

[0013] (2) The present invention, through the arrangement of the first protective pad, the second electric telescopic rod, the clamping claw and the second protective pad, after the composite material body is placed on the first protective pad, can utilize the anti-slip and anti-friction properties of the first protective pad to increase the service life of the workbench. At the same time, the arrangement of the second protective pad can effectively protect the composite material parts from damage and extend the service life.

[0014] (3) The present invention, through the arrangement of structures such as a dust collection box and a liquid storage tank, can use the dust collection box to quickly collect and store the dust generated by grinding when the composite material body is ground with a grinding wheel, thereby improving the working environment, reducing dust pollution, and protecting the health of operators. At the same time, the coolant in the liquid storage tank can effectively cool the grinding area appropriately and prevent material damage or deformation caused by high temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the main structure of the present invention; Figure 2 It is a side view structural schematic diagram of the present invention; Figure 3 It is a schematic diagram of the connection structure of the second electric telescopic rod, the clamping claw and the second protective pad of the present invention; Figure 4 It is a schematic diagram of the connection structure of the screw rod, the movable block and the first electric telescopic rod of the present invention; Figure 5 It is a schematic diagram of the connection structure of the baffle plate, the mounting plate and the grinding wheel of the present invention; Figure 6 It is a schematic diagram of the connection structure of the first gear, the toothed belt and the sliding plate of the present invention; Figure 7 It is a schematic diagram of the connection structure of the third electric telescopic rod, the rack and the second gear of the present invention; In the figure: 1. main frame; 2. protective door; 3. workbench; 4. first protective pad; 5. composite material body; 6. slider; 61. movable block; 62. partition; 63. sliding plate; 64. first electric telescopic rod; 65. baffle; 66. vertical rod; 67. rotating shaft; 68. mounting plate; 69. driving shaft; 610. grinding wheel; 611. supporting plate; 612. servo motor; 7. first forward and reverse motor; 71. screw rod; 8. second electric telescopic rod; 81. clamping claw; 82. second protective pad; 9. second forward and reverse motor; 91. rotating shaft; 92. first gear; 93. toothed belt; 10. third electric telescopic rod; 101. adapter rod; 102. rack; 103. second gear; 11. dust box; 111. exhaust fan; 112. connecting pipe; 12. liquid storage tank; 121. water pump; 122. spray pipe. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] Example: See Figure 1-7 The present invention provides a technical solution: a composite material repair and grinding auxiliary tool, comprising a main frame 1, two protective doors 2 are rotatably installed on the main frame 1, a workbench 3 is rotatably installed on the main frame 1, a first protective pad 4 is installed on the workbench 3, a composite material body 5 is installed on the first protective pad 4, a grinding mechanism is installed on the main frame 1, a lateral translation mechanism is installed on the grinding mechanism, a longitudinal translation mechanism is installed on the lateral translation mechanism, an angle adjustment mechanism is installed on the longitudinal translation mechanism, the angle adjustment mechanism is installed on the grinding mechanism, a dust removal mechanism and a spraying mechanism are installed on the main frame 1, a clamping mechanism is installed on the first protective pad 4, and the clamping mechanism is in contact with the composite material body 5, wherein the workbench 3 can be rotatably adjusted on the main frame 1, so as to change the grinding angle of the composite material body 5, so as to realize grinding treatment of different positions of the composite material body 5; The grinding mechanism includes a slider 6, which is slidably mounted on the top inner wall of the main frame 1 along the left and right directions, a movable block 61 is mounted on the slider 6, a partition 62 is mounted on the movable block 61, a sliding plate 63 is slidably mounted on the partition 62 along the front and rear directions, a first electric telescopic rod 64 is mounted on the sliding plate 63, a baffle 65 is mounted on the first electric telescopic rod 64, two vertical rods 66 are mounted on the baffle 65, a rotating shaft 67 is rotatably mounted on the two vertical rods 66, a mounting plate 68 is mounted on the rotating shaft 67, a driving shaft 69 is rotatably mounted on the mounting plate 68, a grinding wheel 610 is mounted on one end of the driving shaft 69, and the grinding wheel 610 is connected to the grinding wheel 610. The composite material body 5 is in contact with the mounting plate 68, a support plate 611 is installed on the mounting plate 68, a servo motor 612 is installed on the support plate 611, and the servo motor 612 is coaxially connected to the drive shaft 69. By utilizing the action of the first electric telescopic rod 64, the vertical distance between the grinding wheel 610 and the composite material body 5 can be conveniently controlled so that the composite material body 5 can be accurately ground. A safety protection door 2 is provided on the main frame 1. Closing the protection door 2 can prevent flying debris from injuring people during the grinding process. Preferably, an emergency stop button can be provided to ensure that the power supply can be quickly cut off in an emergency to ensure the safety of the operator.

[0018] Furthermore, the lateral translation mechanism includes a first forward and reverse motor 7, which is mounted on an inner wall of one side of the main frame 1, and a screw rod 71 is mounted on the first forward and reverse motor 7, and the other end of the screw rod 71 is rotatably mounted on the inner wall of the main frame 1, and a movable block 61 is threadedly mounted on the screw rod 71. The longitudinal translation mechanism includes two second forward and reverse motors 9, and the two second forward and reverse motors 9 are both mounted on the partition 62. A rotating shaft 91 is rotatably mounted on the two second forward and reverse motors 9, and a first gear 92 is mounted on the two rotating shafts 91, and a toothed belt 93 is meshed on the two first gears 92, and the two toothed belts 93 are respectively mounted on both sides of the sliding plate 63. The first forward and reverse motor 7 is rotated to drive the screw rod 71 to rotate, thereby driving the movable block 61 to move in the left and right directions, thereby controlling the grinding wheel 610 to perform lateral translation in the horizontal direction. The second forward and reverse motor 9 rotates, thereby driving the first gear 92 to rotate. Since the first gear 92 is meshed with the toothed belt 93 of the sliding plate 63, the sliding plate 63 is driven to move in the front-to-back direction relative to the partition 62, thereby driving the grinding wheel 610 to move longitudinally in the horizontal direction, which can effectively control the grinding wheel 610 to move to different positions for grinding.

[0019] Furthermore, the angle adjustment mechanism includes a third electric telescopic rod 10, which is mounted on the baffle 65. A transfer rod 101 is mounted on the third electric telescopic rod 10. Two racks 102 are mounted on the transfer rod 101 along the left and right directions. The two racks 102 are both slidably mounted on the baffle 65. Two second gears 103 are sleeved on the rotating shaft 67. The two second gears 103 are respectively meshed with the two racks 102. The third electric telescopic rod 10 drives the rack 102 to move, and the rack 102 drives the second gear 103 to rotate, so that the grinding wheel 610 can be conveniently adjusted to different angles.

[0020] Furthermore, the clamping mechanism includes a plurality of second electric telescopic rods 8, which are all installed on the first protective pad 4, and a clamping claw 81 is installed on the second electric telescopic rod 8, and a second protective pad 82 is installed on the clamping claw 81, and the second protective pad 82 is in contact with the outer surface of the composite material body 5. The second electric telescopic rod 8 is used to drive the clamping claw 81 to move, so as to achieve a firm clamping of the composite material body 5, and the second protective pad 82 covered on the surface of the clamping claw 81 is used to avoid damage to the composite material body 5 during the clamping process.

[0021] Furthermore, the dust removal mechanism includes two dust boxes 11, which are respectively installed on the outer surfaces of both sides of the main frame 1, and the two dust boxes 11 are installed with exhaust fans 111. The air inlet of the exhaust fan 111 is installed with a connecting pipe 112, and its air outlet is connected with the inside of the dust box 11. The head ends of the two connecting pipes 112 are both located in the main frame 1 and face the composite material body 5. The dust generated by the grinding wheel 610 is collected into the dust box 11 through the connecting pipe 112 by the exhaust fan 111, which is used to collect the dust generated during the grinding process and keep the working environment clean.

[0022] Furthermore, the spraying mechanism includes a liquid storage tank 12, which is installed on the outer surface of the main frame 1. A water pump 121 is installed on the liquid storage tank 12. The inlet end of the water pump 121 is connected to the liquid storage tank 12, and the outlet end thereof is installed with a spray pipe 122. The head end of the spray pipe 122 is located in the main frame 1 and faces the composite material body 5. The water pump 121 is used to spray the coolant in the liquid storage tank 12 onto the surface of the composite material body 5, which can timely cool the grinding area and prevent material damage or deformation caused by high temperature.

[0023] The working principle is as follows: when the composite material body 5 needs to be polished, the composite material body 5 is first placed on the first protective pad 4, and then the switch on the second electric telescopic rod 8 is started, and the second electric telescopic rod 8 is used to drive the clamping claw 81 to move, and the clamping claw 81 drives the second protective pad 82 to move toward the middle, so that the composite material body 5 can be conveniently fixed on the first protective pad 4, and then the servo motor 612, the first electric telescopic rod 64, the water pump 121 and the switches on the exhaust fan 111 are started in sequence, and the servo motor 612 is used to drive the drive shaft 69 to rotate, and the drive shaft 69 drives the grinding wheel 610 to rotate, so that the composite material body 5 can be conveniently fixed on the first protective pad 4. The composite material body 5 is prepared for grinding, and then the baffle 65 is driven downward by the first electric telescopic rod 64, and the baffle 65 drives the rotating grinding wheel 610 to approach the composite material body 5, so that the composite material body 5 can be easily ground. At this time, the exhaust fan 111 is used to conveniently suck the dust generated by the grinding wheel 610 into the dust box 11 through the connecting pipe 112 for storage. During the grinding process, the coolant in the liquid storage tank 12 is sprayed onto the surface of the composite material body 5 through the spray pipe 122 by the water pump 121, which can effectively cool the surface of the composite material body 5; When it is necessary to grind different positions, the switch on the first forward and reverse motor 7 is started, and the first forward and reverse motor 7 is used to drive the screw rod 71 to rotate, and the screw rod 71 drives the movable block 61 to move horizontally in the horizontal direction, thereby driving the grinding wheel 610 to move horizontally on the composite material body 5. At the same time, the switch on the second forward and reverse motor 9 is started, and the second forward and reverse motor 9 is used to drive the rotating shaft 91 to rotate, and the rotating shaft 91 drives the first gear 92 to rotate, and the first gear 92 drives the toothed belt 93 to move, and the toothed belt 93 drives the sliding plate 63 to move, thereby driving the grinding wheel 610 to move longitudinally in the horizontal direction, so that the grinding wheel 610 can be used to grind different positions of the composite material body 5 conveniently; When it is necessary to grind the composite material body 5 at different angles, it is only necessary to start the switch on the third electric telescopic rod 10, and use the third electric telescopic rod 10 to drive the transfer rod 101 to move, the transfer rod 101 drives the rack 102 to move, the rack 102 drives the second gear 103 to rotate, the second gear 103 drives the rotating shaft 67 to rotate, and the rotating shaft 67 drives the mounting plate 68 to rotate, so that the angle of the grinding wheel 610 can be conveniently adjusted, so that it can be used for grinding at multiple angles on the composite material body 5.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A composite material repair and polishing auxiliary tool, characterized in that: The invention comprises a main frame (1), two protective doors (2) are rotatably mounted on the main frame (1), a workbench (3) is rotatably mounted on the main frame (1), a first protective pad (4) is mounted on the workbench (3), a composite material body (5) is mounted on the first protective pad (4), a grinding mechanism is mounted on the main frame (1), a lateral translation mechanism is mounted on the grinding mechanism, a longitudinal translation mechanism is mounted on the lateral translation mechanism, an angle adjustment mechanism is mounted on the longitudinal translation mechanism, the angle adjustment mechanism is mounted on the grinding mechanism, a dust removal mechanism and a spraying mechanism are mounted on the main frame (1), a clamping mechanism is mounted on the first protective pad (4), and the clamping mechanism is in contact with the composite material body (5); The grinding mechanism comprises a slider (6), the slider (6) being mounted on the top inner wall of the main frame (1) in a sliding manner in the left-right direction, a movable block (61) being mounted on the slider (6), a partition (62) being mounted on the movable block (61), a sliding plate (63) being mounted on the partition (62) in a sliding manner in the front-back direction, a first electric telescopic rod (64) being mounted on the sliding plate (63), a baffle (65) being mounted on the first electric telescopic rod (64), two vertical rods (66) being mounted on the baffle (65), a rotating shaft (67) being rotatably mounted on the two vertical rods (66), a mounting plate (68) being mounted on the rotating shaft (67), a driving shaft (69) being rotatably mounted on the mounting plate (68), a grinding wheel (610) being mounted on one end of the driving shaft (69), and the grinding wheel (610) being in contact with the composite material body (5); The clamping mechanism comprises a plurality of second electric telescopic rods (8), each of the plurality of second electric telescopic rods (8) being mounted on a first protective pad (4), a clamping claw (81) being mounted on the second electric telescopic rod (8), a second protective pad (82) being mounted on the clamping claw (81), and the second protective pad (82) being in contact with an outer surface of the composite material body (5).

2. The composite material repair and grinding auxiliary tooling according to claim 1, characterized in that: A support plate (611) is mounted on the mounting plate (68), a servo motor (612) is mounted on the support plate (611), and the servo motor (612) is coaxially connected to the drive shaft (69).

3. The composite material repair and grinding auxiliary tool according to claim 1, characterized in that: The lateral translation mechanism comprises a first forward and reverse motor (7), the first forward and reverse motor (7) being mounted on an inner wall of one side of the main frame (1), a screw rod (71) being mounted on the first forward and reverse motor (7), the other end of the screw rod (71) being rotatably mounted on the inner wall of the main frame (1), and the movable block (61) being threadedly mounted on the screw rod (71).

4. The composite material repair and grinding auxiliary tool according to claim 1, characterized in that: The longitudinal translation mechanism comprises two second forward and reverse motors (9), the two second forward and reverse motors (9) are both mounted on the partition plate (62), a rotating shaft (91) is rotatably mounted on the two second forward and reverse motors (9), a first gear (92) is mounted on the two rotating shafts (91), a toothed belt (93) is meshed on the two first gears (92), and the two toothed belts (93) are respectively mounted on both sides of the sliding plate (63).

5. The composite material repair and grinding auxiliary tool according to claim 1, characterized in that: The angle adjustment mechanism comprises a third electric telescopic rod (10), the third electric telescopic rod (10) being mounted on the baffle (65), a transfer rod (101) being mounted on the third electric telescopic rod (10), two racks (102) being mounted on the transfer rod (101) in the left-right direction, the two racks (102) being slidably mounted on the baffle (65), two second gears (103) being sleeved on the rotating shaft (67), the two second gears (103) being respectively meshed with the two racks (102).

6. The composite material repair and grinding auxiliary tool according to claim 1, characterized in that: The dust removal mechanism comprises two dust collection boxes (11), the two dust collection boxes (11) being respectively mounted on the outer surfaces of both sides of the main frame (1), the two dust collection boxes (11) being each mounted with an exhaust fan (111), the air inlet of the exhaust fan (111) being mounted with a connecting pipe (112), the air outlet of which is connected to the inside of the dust collection box (11), the head ends of the two connecting pipes (112) being both located in the main frame (1) and facing the composite material body (5).

7. The composite material repair and grinding auxiliary tool according to claim 1, characterized in that: The spraying mechanism comprises a liquid storage tank (12), the liquid storage tank (12) being mounted on the outer surface of the main frame (1), a water pump (121) being mounted on the liquid storage tank (12), the inlet end of the water pump (121) being connected to the liquid storage tank (12), and a spraying pipe (122) being mounted on the outlet end thereof, the head end of the spraying pipe (122) being located in the main frame (1) and facing the composite material body (5).