A civil aviation maintenance cutting device with automatic adjustment function

Abstract

The invention discloses a civil aviation maintenance cutting device with an automatic adjustment function, which relates to the field of cutting technology and comprises a main chassis, an upper chassis, a lower chassis, a cutting mechanism and a clamping mechanism. The cutting mechanism and the clamping mechanism are installed inside the main chassis, and the upper chassis and the lower chassis are respectively arranged at the top and the bottom of the main chassis. The cutting mechanism consists of a crank-connecting rod assembly and a double rocker assembly. A saw wire is installed on the double rocker assembly, and the saw wire cuts the material. The clamping mechanism comprises a moving assembly and a clamping assembly, and the clamping assembly is installed on the moving assembly. The clamping assembly clamps the material. The material clamped by the clamping arm flexibly performs planar motion and cooperates with the saw wire to cut lines of any shape on the material. The third servo motor adjusts the direction of the cutting force of the saw wire, so that the cutting force of the saw wire is adapted to the cutting path, thereby achieving an accurate cutting effect.

Description

Technical Field

[0001] The invention relates to the field of cutting technology, in particular to a civil aviation maintenance cutting device with an automatic adjustment function. Background Art

[0002] Repair is an important step in maintenance work. Repair often requires material removal according to the scope of the repair, so a cutting machine is needed to cut and remove materials. Although the existing straight saw cutting machine has a fast cutting speed, it is difficult to cut workpieces with large changes in shape curvature, and the saw blade of the straight saw cutting machine cannot work for a long time, otherwise the saw blade will overheat and cause damage. In order to solve this problem, the operator uses wire cutting equipment to cut the material, which solves the problem of complex cutting shapes and improves the cutting accuracy. However, the efficiency of wire cutting is low, and it takes a lot of time to cut a piece of material. From the perspective of economic practicality, it is not a long-term solution. The controllability of the cutting shape accuracy and the heating problem of the cutting equipment cannot be effectively solved. Summary of the invention

[0003] The object of the present invention is to provide a civil aviation maintenance cutting device with automatic adjustment function to solve the problems raised in the prior art.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a civil aviation maintenance cutting device with automatic adjustment function, comprising a main chassis, an upper chassis, a lower chassis, a cutting mechanism and a clamping mechanism, wherein the cutting mechanism and the clamping mechanism are installed inside the main chassis, and the upper chassis and the lower chassis are respectively arranged at the top and the bottom of the main chassis, the cutting mechanism is composed of a crank-connecting rod assembly and a double rocker assembly, a saw wire is installed on the double rocker assembly, and the saw wire cuts the material, the clamping mechanism comprises a moving assembly and a clamping assembly, the clamping assembly is installed on the moving assembly, and the clamping assembly clamps the material.

[0005] Furthermore, a third servo motor is installed in the upper chassis, the cutting mechanism includes a rotating mounting plate, a mounting frame is arranged on the rotating mounting plate, a motor shaft of the third servo motor is connected to the rotating mounting plate, the double rocker assembly includes an upper rotating arm and a lower rotating arm, both of which are rotatably connected to the mounting frame, the saw wire is connected between the upper rotating arm and the lower rotating arm, and the saw wire is located at one end of the upper rotating arm away from the mounting frame, when the control system starts the fourth servo motor, the fourth servo motor drives the crank to rotate, the crank drives the connecting rod to move, the connecting rod drives the driving rod to move, the driving rod drives the upper rotating arm and the lower rotating arm to move simultaneously, and the saw wire swings up and down accordingly to cut the material.

[0006] Furthermore, the upper rotating arm and the lower rotating arm are connected to a driving rod at one end close to the mounting frame, and the driving rod keeps the upper rotating arm parallel to the lower rotating arm, and the crank-connecting rod assembly includes a fourth servo motor, a crank and a connecting rod, and the fourth servo motor is invertedly mounted on the rotating mounting plate through a bracket, and the crank is mounted on the motor shaft of the fourth servo motor, one end of the connecting rod is rotatably connected to the crank, and the other end of the connecting rod is rotatably connected to the middle part of the driving rod, and the upper rotating arm and the lower rotating arm drive the saw wire to swing each time, and the saw wire cuts the material once, and the end at which the saw wire is installed is far away from the mounting frame, so the linear speed of the saw wire movement is faster, that is, the saw wire moves faster during the process of cutting the material; because the upper rotating arm and the lower rotating arm drive the saw wire to make an arc swinging motion, the saw wire can only cut at the position tangent to the edge of the material, so the contact time between the saw wire and the material is short, and under the condition of high-speed short contact, the saw wire is easier to dissipate heat, thereby improving the service life of the saw wire.

[0007] Furthermore, the moving component includes a longitudinal slide and a transverse slide, the longitudinal slide is slidably set at the bottom of the main box, and the transverse slide is slidably installed on the longitudinal slide. The clamping component includes a pair of clamping arms, and the pair of clamping arms are slidably installed in the transverse slide. A driving module is arranged between each clamping arm and the transverse slide, and the driving module is connected to the control system through a circuit.

[0008] Furthermore, the moving component includes a first driving sprocket and a second driving sprocket, a first servo motor and a second servo motor are arranged in the lower chassis, the first servo motor is connected to the first driving sprocket, the second servo motor is connected to the second driving sprocket, four reversing sprockets are rotatably arranged on the longitudinal slide, a fixed block is arranged at one end of the transverse slide, and a driven sprocket is rotatably installed at the other end of the transverse slide, the first driving sprocket, the second driving sprocket, the driven sprocket and the fixed block are arranged in a cross shape, when the control system starts the first servo motor and the second servo motor, the first servo motor drives the first driving sprocket to rotate, and the second servo motor drives the second driving sprocket The wheels rotate. If the first driving sprocket and the second driving sprocket have opposite directions, the transverse slide can be driven by the chain to translate on the longitudinal slide, and the longitudinal slide remains stationary; if the first driving sprocket and the second driving sprocket have the same direction, the longitudinal slide can be driven by the chain to translate in the main box, and the transverse slide remains stationary; if one of the first driving sprocket and the second driving sprocket remains stationary and the other rotates, the transverse slide and the longitudinal slide move at the same time, driving the clamping arm to move obliquely; if the first driving sprocket and the second driving sprocket move at different speeds, the transverse slide and the longitudinal slide move at the same time at different speeds, driving the clamping arm to move in a curve.

[0009] Furthermore, the moving component also includes a chain, one end of which is fixedly connected to a fixed block, and then bypasses the first driving sprocket through a reversing sprocket, bypasses the driven sprocket through a reversing sprocket, bypasses the second driving sprocket through a reversing sprocket, and is finally connected to the fixed block through a reversing sprocket. The first driving sprocket and the second driving sprocket are respectively controlled by the first servo motor and the second servo motor, so that the material clamped by the clamping arm can flexibly move in a plane, and cooperate with the saw wire to cut lines of any shape on the material. When the movement path of the material changes, the control system starts the third servo motor to drive the rotating mounting plate to rotate, which then adjusts the direction of the cutting force of the saw wire, so that the cutting force of the saw wire is adapted to the cutting path, thereby achieving the effect of accurate cutting.

[0010] Furthermore, a double-headed electric push rod is arranged inside each clamping arm, and both ends of the double-headed electric push rod are symmetrically connected to clamping blocks through piston rods, and each clamping block is provided with several rows of bevel column blocks, and a spring is arranged between each bevel column block and the clamping block.

[0011] Furthermore, each of the bevel column blocks is provided with a bevel surface, which faces obliquely downward, and every two adjacent rows of the bevel column blocks are staggered. The operator clamps the material to be cut into the main box, drives the two clamping arms to move to a position where the material can be clamped by the driving module, and places the material on the two clamping arms. Then the double-headed electric push rod pulls the two clamping blocks to move, clamps the material, and presses the material tightly against the clamping arms through the extrusion effect of the bevel surface of the bevel column block.

[0012] Compared with the prior art, the present invention has the following beneficial effects: 1. The saw wire moves at a high speed during the process of cutting materials. Since the upper rotating arm and the lower rotating arm drive the saw wire to swing in an arc, the saw wire can only cut when it is tangent to the edge of the material. Therefore, the contact time between the saw wire and the material is short. Under the condition of high speed and short contact, the saw wire is easier to dissipate heat, thereby increasing the service life of the saw wire.

[0013] 2. The first servo motor and the second servo motor respectively control the first driving sprocket and the second driving sprocket, so that the material clamped by the clamping arm can flexibly move in a plane, and cooperate with the saw wire to cut lines of any shape on the material. The third servo motor adjusts the direction of the cutting force of the saw wire, so that the cutting force of the saw wire is adapted to the cutting path, thereby achieving an accurate cutting effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure appearance of the present invention; Figure 2 The overall internal structure of the present invention is shown in FIG. Figure 1 ; Figure 3 The overall internal structure of the present invention is shown in FIG. Figure 2 ; Figure 4 It is a schematic diagram of the internal structure of the present invention; Figure 5 It is a schematic diagram of the internal decomposition structure of the present invention; Figure 6 It is a schematic structural diagram of the clamping arm of the present invention; Figure 7 For the present invention Figure 6 A partial enlarged schematic diagram of the middle A area; In the figure: 1. main chassis; 2. upper chassis; 3. lower chassis; 4. first servo motor; 5. second servo motor; 6. first driving sprocket; 7. second driving sprocket; 8. longitudinal slide; 9. transverse slide; 10. chain; 11. reversing sprocket; 12. driven sprocket; 13. fixed block; 14. clamping arm; 15. clamping block; 16. double-headed electric push rod; 17. bevel column block; 18. third servo motor; 19. rotating mounting plate; 20. fourth servo motor; 21. crank; 22. connecting rod; 23. driving rod; 24. upper rotating arm; 25. lower rotating arm; 26. saw wire; 27. mounting frame. DETAILED DESCRIPTION

[0015] 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.

[0016] Example: Figure 1-Figure 7 As shown, the present invention provides a technical solution, a civil aviation maintenance cutting device with automatic adjustment function, including a main chassis 1, an upper chassis 2, a lower chassis 3, a cutting mechanism and a clamping mechanism, the cutting mechanism and the clamping mechanism are installed inside the main chassis 1, the upper chassis 2 and the lower chassis 3 are respectively arranged at the top and the bottom of the main chassis 1, the cutting mechanism is composed of a crank connecting rod assembly and a double rocker assembly, a saw wire 26 is installed on the double rocker assembly, the saw wire 26 cuts the material, the clamping mechanism includes a moving assembly and a clamping assembly, the clamping assembly is installed on the moving assembly, and the clamping assembly clamps the material.

[0017] The clamping assembly includes a pair of clamping arms 14, which are slidably mounted in the transverse slide 9. A driving module (not shown) is arranged between each clamping arm 14 and the transverse slide 9. The driving module is connected to the control system through a circuit. A double-headed electric push rod 16 is arranged inside each clamping arm 14. Both ends of the double-headed electric push rod 16 are symmetrically connected to a clamping block 15 through a piston rod. Each clamping block 15 is provided with several rows of bevel column blocks 17. A spring is arranged between each bevel column block 17 and the clamping block 15. Each bevel column block 17 is provided with a bevel surface, which faces obliquely downward. Every two adjacent rows of bevel column blocks 17 are staggered. The operator clamps the material to be cut into the main box 1, drives the two clamping arms 14 to move to a position where the material can be clamped through the drive module, and places the material on the two clamping arms 14. Then the double-headed electric push rod 16 pulls the two clamping blocks 15 to move and clamps the material. The material is pressed tightly against the clamping arm 14 through the extrusion effect of the bevel surface of the bevel column block 17.

[0018] The upper chassis 2 is provided with a third servo motor 18, the cutting mechanism comprises a rotating mounting plate 19, a mounting frame 27 is provided on the rotating mounting plate 19, the motor shaft of the third servo motor 18 is connected to the rotating mounting plate 19, the double rocker assembly comprises an upper rotating arm 24 and a lower rotating arm 25, both of which are rotatably connected to the mounting frame 27, a saw wire 26 is connected between the upper rotating arm 24 and the lower rotating arm 25, the saw wire 26 is located at one end of the upper rotating arm 24 away from the mounting frame 27, and the upper rotating arm 2 4 and one end of the lower rotating arm 25 close to the mounting frame 27 are connected with a driving rod 23, and the driving rod 23 keeps the upper rotating arm 24 parallel to the lower rotating arm 25. The crank-connecting rod assembly includes a fourth servo motor 20, a crank 21 and a connecting rod 22. The fourth servo motor 20 is invertedly mounted on the rotating mounting plate 19 through a bracket, and the crank 21 is mounted on the motor shaft of the fourth servo motor 20. One end of the connecting rod 22 is rotatably connected to the crank 21, and the other end of the connecting rod 22 is rotatably connected to the middle part of the driving rod 23. When the control system starts the fourth servo motor 20, the fourth servo motor 20 drives the crank 21 to rotate, the crank 21 drives the connecting rod 22 to move, the connecting rod 22 drives the driving rod 23 to move, and the driving rod 23 drives the upper rotating arm 24 and the lower rotating arm 25 to move at the same time, and the saw wire 26 swings up and down accordingly to cut the material. Each time the upper rotating arm 24 and the lower rotating arm 25 drive the saw wire 26 to swing, the saw wire 26 cuts the material once. The end at which the saw wire 26 is installed is far away from the mounting frame 27, so the linear speed of the saw wire 26 is faster, that is, the saw wire 26 moves faster during the process of cutting the material; because the upper rotating arm 24 and the lower rotating arm 25 drive the saw wire 26 to swing in an arc, the saw wire 26 can only cut at the position tangent to the edge of the material, so the contact time between the saw wire 26 and the material is short. Under the condition of high-speed short contact, the saw wire 26 is easier to dissipate heat, thereby improving the service life of the saw wire 26.

[0019] The moving component includes a longitudinal slide 8 and a transverse slide 9. The longitudinal slide 8 is slidably arranged at the bottom of the main chassis 1, and the transverse slide 9 is slidably installed on the longitudinal slide 8. The moving component includes a first driving sprocket 6 and a second driving sprocket 7. A first servo motor 4 and a second servo motor 5 are arranged in the lower chassis 3. The first servo motor 4 is connected to the first driving sprocket 6, and the second servo motor 5 is connected to the second driving sprocket 7. Four reversing sprockets 11 are rotatably arranged on the longitudinal slide 8, a fixed block 13 is arranged at one end of the transverse slide 9, and a driven sprocket 12 is rotatably installed at the other end of the transverse slide 9. The first driving sprocket 6, the second driving sprocket 7, the driven sprocket 12 and the fixed block 13 are arranged in a cross shape. When the control system starts the first servo motor 4 and the second servo motor 5, the first servo motor 4 drives the first driving sprocket 6 rotates, the second servo motor 5 drives the second driving sprocket 7 to rotate. If the first driving sprocket 6 and the second driving sprocket 7 have opposite directions of rotation, the transverse slide 9 can be driven by the chain 10 to translate on the longitudinal slide 8, and the longitudinal slide 8 remains stationary; if the first driving sprocket 6 and the second driving sprocket 7 have the same direction of rotation, the longitudinal slide 8 can be driven by the chain 10 to translate in the main box 1, and the transverse slide 9 remains stationary; if one of the first driving sprocket 6 and the second driving sprocket 7 remains stationary and the other rotates, the transverse slide 9 and the longitudinal slide 8 move at the same time, driving the clamping arm 14 to move obliquely; if the first driving sprocket 6 and the second driving sprocket 7 move at different speeds, the transverse slide 9 and the longitudinal slide 8 move at the same time at different speeds, driving the clamping arm 14 to move in a curve.

[0020] The moving component also includes a chain 10, one end of which is fixedly connected to a fixed block 13, and then bypasses the first driving sprocket 6 through a reversing sprocket 11, bypasses the driven sprocket 12 through a reversing sprocket 11, and bypasses the second driving sprocket 7 through a reversing sprocket 11, and finally is connected to the fixed block 13 through a reversing sprocket 11. The first driving sprocket 6 and the second driving sprocket 7 are respectively controlled by the first servo motor 4 and the second servo motor 5, so that the material clamped by the clamping arm 14 can flexibly move in a plane, and cooperate with the saw wire 26 to cut lines of any shape on the material. When the movement path of the material changes, the control system starts the third servo motor 18, drives the rotating mounting plate 19 to rotate, and then adjusts the cutting force direction of the saw wire 26, so that the cutting force of the saw wire 26 is adapted to the cutting path, thereby achieving an accurate cutting effect.

[0021] The working principle of the present invention is as follows: the operator clamps the material to be cut into the main box 1, drives the two clamping arms 14 to move to the position where the material can be clamped through the driving module, places the material on the two clamping arms 14, and then the double-headed electric push rod 16 pulls the two clamping blocks 15 to move, clamps the material, and presses the material tightly against the clamping arm 14 through the extrusion effect of the bevel surface of the bevel column block 17.

[0022] When the control system starts the fourth servo motor 20, the fourth servo motor 20 drives the crank 21 to rotate, the crank 21 drives the connecting rod 22 to move, the connecting rod 22 drives the driving rod 23 to move, and the driving rod 23 drives the upper rotating arm 24 and the lower rotating arm 25 to move at the same time, and the saw wire 26 swings up and down accordingly to cut the material. Each time the upper rotating arm 24 and the lower rotating arm 25 drive the saw wire 26 to swing, the saw wire 26 cuts the material once. The end at which the saw wire 26 is installed is far away from the mounting frame 27, so the linear speed of the saw wire 26 is faster, that is, the saw wire 26 moves faster during the process of cutting the material; because the upper rotating arm 24 and the lower rotating arm 25 drive the saw wire 26 to swing in an arc, the saw wire 26 can only cut at the position tangent to the edge of the material, so the contact time between the saw wire 26 and the material is short. Under the condition of high-speed short contact, the saw wire 26 is easier to dissipate heat, thereby improving the service life of the saw wire 26.

[0023] When the control system starts the first servo motor 4 and the second servo motor 5, the first servo motor 4 drives the first driving sprocket 6 to rotate, and the second servo motor 5 drives the second driving sprocket 7 to rotate. If the first driving sprocket 6 and the second driving sprocket 7 have opposite directions of rotation, the transverse slide 9 can be driven by the chain 10 to translate on the longitudinal slide 8, and the longitudinal slide 8 remains stationary; if the first driving sprocket 6 and the second driving sprocket 7 have the same direction of rotation, the longitudinal slide 8 can be driven by the chain 10 to translate in the main box 1, and the transverse slide 9 remains stationary; if one of the first driving sprocket 6 and the second driving sprocket 7 remains stationary and the other rotates, the transverse slide 9 and the longitudinal slide 8 move at the same time, driving the clamping arm 14 to move obliquely; if the first driving sprocket 6 and the second driving sprocket 7 move at different speeds, the transverse slide 9 and the longitudinal slide 8 move at different speeds at the same time, driving the clamping arm 14 to move in a curve.

[0024] By respectively controlling the first driving sprocket 6 and the second driving sprocket 7 by the first servo motor 4 and the second servo motor 5, the material clamped by the clamping arm 14 can flexibly perform planar movement, and cooperate with the saw wire 26 to cut lines of any shape on the material. When the movement path of the material changes, the control system starts the third servo motor 18, drives the rotating mounting plate 19 to rotate, and then adjusts the cutting force direction of the saw wire 26, so that the cutting force of the saw wire 26 is adapted to the cutting path, thereby achieving an accurate cutting effect.

[0025] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A civil aviation maintenance cutting device with automatic adjustment function, characterized in that: The invention comprises a main case (1), an upper case (2), a lower case (3), a cutting mechanism and a clamping mechanism, wherein the cutting mechanism and the clamping mechanism are installed inside the main case (1), and the upper case (2) and the lower case (3) are respectively arranged at the top and the bottom of the main case (1). The cutting mechanism consists of a crank connecting rod assembly and a double rocker assembly, and a saw wire (26) is installed on the double rocker assembly, and the saw wire (26) cuts the material. The clamping mechanism comprises a moving assembly and a clamping assembly, and the clamping assembly is installed on the moving assembly, and the clamping assembly clamps the material.

2. The civil aviation maintenance cutting device with automatic adjustment function according to claim 1, characterized in that: A third servo motor (18) is installed in the upper chassis (2); the cutting mechanism comprises a rotating mounting plate (19); a mounting frame (27) is arranged on the rotating mounting plate (19); a motor shaft of the third servo motor (18) is connected to the rotating mounting plate (19); the double rocker assembly comprises an upper rotating arm (24) and a lower rotating arm (25); both the upper rotating arm (24) and the lower rotating arm (25) are rotatably connected to the mounting frame (27); the saw wire (26) is connected between the upper rotating arm (24) and the lower rotating arm (25); the saw wire (26) is located at one end of the upper rotating arm (24) away from the mounting frame (27).

3. The civil aviation maintenance cutting device with automatic adjustment function according to claim 2, characterized in that: The upper rotating arm (24) and the lower rotating arm (25) are connected to a driving rod (23) at one end close to the mounting frame (27). The driving rod (23) keeps the upper rotating arm (24) and the lower rotating arm (25) parallel. The crank-connecting rod assembly comprises a fourth servo motor (20), a crank (21) and a connecting rod (22). The fourth servo motor (20) is invertedly mounted on a rotating mounting plate (19) via a bracket. The crank (21) is mounted on a motor shaft of the fourth servo motor (20). One end of the connecting rod (22) is rotatably connected to the crank (21), and the other end of the connecting rod (22) is rotatably connected to the middle part of the driving rod (23).

4. The civil aviation maintenance cutting device with automatic adjustment function according to claim 1, characterized in that: The moving assembly comprises a longitudinal slide (8) and a transverse slide (9), wherein the longitudinal slide (8) is slidably arranged at the bottom of the main chassis (1), and the transverse slide (9) is slidably mounted on the longitudinal slide (8). The clamping assembly comprises a pair of clamping arms (14), wherein the pair of clamping arms (14) are slidably mounted in the transverse slide (9), and a driving module is arranged between each of the clamping arms (14) and the transverse slide (9), and the driving module is connected to a control system via a circuit.

5. The civil aviation maintenance cutting device with automatic adjustment function according to claim 4, characterized in that: The moving assembly comprises a first driving sprocket (6) and a second driving sprocket (7); a first servo motor (4) and a second servo motor (5) are arranged in the lower chassis (3); the first servo motor (4) is connected to the first driving sprocket (6); the second servo motor (5) is connected to the second driving sprocket (7); four reversing sprockets (11) are rotatably arranged on the longitudinal slide (8); a fixed block (13) is arranged at one end of the transverse slide (9); a driven sprocket (12) is rotatably mounted at the other end of the transverse slide (9); the first driving sprocket (6), the second driving sprocket (7), the driven sprocket (12) and the fixed block (13) are arranged in a cross shape.

6. The civil aviation maintenance cutting device with automatic adjustment function according to claim 5, characterized in that: The moving assembly further comprises a chain (10), one end of the chain (10) being fixedly connected to a fixed block (13), then passing around a first driving sprocket (6) via a reversing sprocket (11), then passing around a driven sprocket (12) via a reversing sprocket (11), then passing around a second driving sprocket (7) via a reversing sprocket (11), and finally being connected to the fixed block (13) via a reversing sprocket (11).

7. The civil aviation maintenance cutting device with automatic adjustment function according to claim 4, characterized in that: A double-headed electric push rod (16) is disposed inside each clamping arm (14), and both ends of the double-headed electric push rod (16) are symmetrically connected to clamping blocks (15) via piston rods, and each clamping block (15) is provided with several rows of beveled column abutment blocks (17), and a spring is disposed between each beveled column abutment block (17) and the clamping block (15).

8. The civil aviation maintenance cutting device with automatic adjustment function according to claim 7, characterized in that: Each of the beveled column stop blocks (17) is provided with a beveled surface, the beveled surface faces obliquely downward, and every two adjacent rows of the beveled column stop blocks (17) are arranged in a staggered manner.

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