Automatic trimming device and method for composite material C-shaped beam

Abstract

The invention provides an automatic edge cutting device and method for a composite material C-shaped beam, the device comprises a plurality of milling and pressing units, a lifting assembly, a gas circuit assembly, a control unit and a rotation assembly in each milling and pressing unit are arranged on a fixed support, the gas circuit assembly and the control unit are control modules, the lifting assembly and the rotation assembly are motion modules, and the fixed support is arranged on the fixed support. The gas circuit assembly and the control unit control the rotation process of the rotation assembly and control the lifting process of the lifting assembly, and control over the motion sequence of the C-shaped beam part pressing process and the edge cutting process is achieved. The composite material C-shaped beam parts of different sizes, lengths and types can be accurately positioned and pressed, and then the trimming requirements of the C-shaped beam parts of different types are met; the cost of the trimming device for the composite material C-shaped beam part is reduced, the production efficiency of the trimming device for the C-shaped beam part is improved, and the preparation time for trimming production of the C-shaped beam part is effectively shortened.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of mold design, and particularly relates to a composite C-shaped beam automatic trimming device and method. BACKGROUND

[0002] The composite C-shaped beam structural part is a commonly used structural part in a helicopter, has the characteristics of wide application, various types, poor rigidity and existence of a reinforcing layer.

[0003] Traditional trimming adopts manual trimming or mechanical trimming, and when mechanical trimming is adopted, in order to ensure the rigidity requirement of the part, a special trimming tool is arranged according to the part shape for part trimming, which leads to high cost of the trimming device, and the traditional mechanical pressing process is complicated, which seriously restricts the trimming demand of the C-shaped beam part. In addition, if manual trimming is adopted, the trimming efficiency is low, and the production efficiency demand of the product cannot be met.

[0004] Therefore, a new type of intelligent positioning trimming device capable of adapting to different types and different sizes of C-shaped beams is needed to meet the trimming demand of the C-shaped beam part, reduce the production cost and improve the trimming efficiency. SUMMARY

[0005] The technical problem to be solved by the application is that when mechanical trimming is adopted, the cost is too high, the process is complicated, manual trimming is low in efficiency, and the production efficiency demand of the product cannot be met.

[0006] The technical scheme of the application is as follows: In a first aspect, a composite C-shaped beam automatic trimming device is provided, comprising: a plurality of milling and pressing units, the positions of the plurality of milling and pressing units being determined according to the structure of the composite C-shaped beam and the trimming demand, each milling and pressing unit comprising: a fixed support 1, a lifting assembly 2, an air path assembly 3, a control unit 4, and a rotary assembly 7, the lifting assembly 2, the air path assembly 3, the control unit 4 and the rotary assembly 7 being arranged on the fixed support 1, the fixed support 1 being an overall support framework of the milling and pressing unit, and being used for positioning and mounting the lifting assembly 2, the air path assembly 3, the control unit 4 and the rotary assembly 7, the rotary assembly 7 being installed on the lifting assembly 2, the control unit 4 being electrically connected with the air path assembly 3, the air path assembly 3 being in air path connection with the rotary assembly 7 and the lifting assembly 2, The air path assembly 3 and the control unit 4 are control modules, the lifting assembly 2 and the rotary assembly 7 are motion modules, the air path assembly 3 and the control unit 4 control the rotary process of the rotary assembly 7 and the lifting process of the lifting assembly 2, and the motion sequence of the pressing process and the trimming process of the C-shaped beam part is controlled.

[0007] Further, the device further comprises a horizontal adjusting plate 5 and a positioning support assembly 6 arranged on the fixed support 1, The positioning support assembly 6 is installed on the horizontal adjusting plate 5, and a plurality of positioning pin holes for positioning the composite C-shaped beam are arranged on the positioning support assembly 6.

[0008] Optionally, the bottom of the horizontal adjusting plate 5 is provided with a relief surface for adjusting the height and horizontal position of the positioning support assembly 6. The height and horizontal position of the positioning support assembly 6 are adjusted by adjusting the height of the local area of the horizontal adjusting plate 5.

[0009] Further, the device further comprises an accordion shield 8 fixed on the fixed support 1, the accordion shield 8 can move up and down with the lifting assembly 2, and a steel protective cover assembly 9 connected with the accordion shield 8, the accordion shield 8 and the steel protective cover assembly 9 are used for dust prevention.

[0010] Optionally, the fixed support 1 comprises a bottom plate 10, a channel steel 11, a square steel 12, a sliding block mounting plate 13, a blocking plate 14, a top plate 15, a dust cover mounting plate 16, a dust cover mounting screw 17, a reference plate 18, and a pad plate 19. The channel steel 11 is welded to the bottom plate 10 and located at the outer boundary of the square bottom plate 10; the square steel 12 is welded to the bottom plate 10 and located at the four corners and the middle of the bottom plate 10; the sliding block mounting plate 13 is welded to the square steel 12 and located at the top of the side of the square steel 12; the blocking plate 14 is welded to the square steel 12 and located at the top end surface of the square steel 12; the top plate 15 is welded to the square steel 12 and located at the upper end surface of the square steel 12; the dust cover mounting plate 16 is fixedly connected to the square steel 12 through the dust cover mounting screw 17 and located at the middle of the side of the square steel 12; the reference plate 18 is welded to the bottom plate 10 and located at the bottom of the bottom plate 10; the pad plate 19 is welded to the channel steel 11 and located at the outer side of the U-shaped groove of the channel steel 11; and the steel protective cover assembly 9 is fixedly connected to the channel steel 11 and the dust cover mounting plate 16.

[0011] Optionally, the lifting assembly 2 comprises a linear cylinder 20, a spiral hose 21, a sliding rail mounting channel steel 22, a presser mounting frame 23, a bracket mounting screw 24, a cylinder joint 25, a dust cover mounting bracket 26, a sliding rail 27, and a sliding block 28. The straight-line cylinder 20 is fixedly connected with the presser mounting frame 23 through the cylinder joint 25, the connecting position is located at the middle position of the bottom of the presser mounting frame 23; the spiral hose 21 is located in the U-shaped groove of the slide rail mounting channel steel 22, and the two ends are respectively connected with the air path assembly 3 and the rotary assembly 7; the slide rail mounting channel steel 22 is fixedly connected with the presser mounting frame 23 through the support mounting screw 24, and is located at the end positions of the bottom of the presser mounting frame 23; the dust cover mounting support 26 is fixedly connected with the presser mounting frame 23, and is located at the bottom position of the presser mounting frame 23; the slide rail 27 is fixedly connected with the slide rail mounting channel steel 22, and is located at the other side of the U-shaped groove of the slide rail mounting channel steel 22; the sliding block 28 is slidingly connected with the slide rail 27, and is located on the slide rail 27; the lifting assembly 2 is connected with the fixed support 1 through the slide rail 27 and the sliding block 28, and the organ-type protective cover 8 is fixedly connected with the presser mounting frame 23.

[0012] Optionally, the positioning support assembly 6 comprises an internally threaded positioning pin 46, a welded support 47, a positioning support assembly mounting screw 48 and a positioning plug 49; the internally threaded positioning pin 46 is connected with the welded support 47 in an interference fit, and is located in the positioning pin hole in the bottom of the welded support 47; the positioning support assembly mounting screw 48 is connected with the welded support 47 in a 0.5-1mm gap on one side, and is located in the bolt hole in the bottom of the welded support 47; the positioning plug 49 is connected with the welded support 47 in a gap fit, and is located in the positioning pin hole in the positioning surface on the welded support 47; The positioning support assembly 6 is mounted on the horizontal adjusting plate 5 through the internally threaded positioning pin 46 and the positioning support assembly mounting screw 48; a plurality of positioning plug holes are arranged on the welded support 47, which are used for adapting to the positioning requirements of different C-shaped beam parts, and the C-shaped beam parts are positioned on the positioning support assembly 6 through the positioning plug 49.

[0013] Optionally, the rotary assembly 7 comprises a rubber pressing block 29, a screw rod 30, a locking nut 31, a swing arm 32, a pushing block 33, a butterfly nut 34, a ball head plunger 35, an outer shell 36, a rotary assembly mounting screw 37, a bearing with seat 38, a cover plate 39, a bearing mounting screw 40, a bearing seat mounting plate 41, a hexagonal support column 42, a bearing 43, a swing cylinder 44 and a swing cylinder mounting plate 45. The rubber pressing block 29, the screw rod 30, the locking nut 31, the pushing block 33, the butterfly nut 34 and the ball head plunger 35 constitute an adjusting and pressing assembly, wherein the rubber pressing block 29 is fixedly connected with the screw rod 30, and is located at one end of the spherical thread at the end of the screw rod 30; the locking nut 31, the pushing block 33 and the butterfly nut 34 are threadedly connected with the threaded end of the screw rod 30; the adjusting and pressing assembly is movably connected with the swing arm 32, is mounted in the clamping groove of the swing arm 32, and is located between the locking nut 31 and the pushing block 33. The swing arm 32 is fixedly connected with the bearing 43, the cover plate 39, the bearing seat mounting plate 41 through the bearing mounting screw 40, the cover plate 39 is located on the upper end face of the circular hole on the non-clamping groove end of the swing arm 32, the bearing seat mounting plate 41 is located on the lower end face of the circular hole on the non-clamping groove end of the swing arm 32, and the mounting screw 40 is sequentially threaded through the cover plate 39, the central hole of the non-clamping groove end of the swing arm 32 and screwed into the central threaded hole on the upper end face of the bearing seat mounting plate 41; The bearing seat 38 is fixedly connected with the bearing seat mounting plate 41, the bearing seat 38 is located in the clamping groove on the bottom surface of the bearing seat mounting plate 41, the hexagonal support 42 is fixedly connected with the bearing seat mounting plate 41, the hexagonal support 42 is located outside the bearing seat 38 on the bottom surface of the bearing seat mounting plate 41, the central hole of the hexagonal support 42 corresponds to the positioning hole on the bottom surface of the bearing seat mounting plate 41, the rotary assembly mounting screw 37 is connected with the bearing seat mounting plate 41 in a gap, the rotary assembly mounting screw 37 is located in the bolt hole on the square end of the bearing seat mounting plate 41, the large end of the bearing 43 is fixedly connected with the bearing seat 38, the small end is fixedly connected with the swing cylinder 44, and the bearing 43 is located between the central positioning hole on the lower bottom surface of the bearing seat 38 and the swing shaft of the swing cylinder 44; The swing cylinder mounting plate 45 is fixedly connected with the hexagonal support 42 and the swing cylinder 44, the lower surface of the swing cylinder mounting plate 45 is attached to the positioning surface on one end of the swing shaft of the swing cylinder 44, the upper surface is fixedly connected with the hexagonal support 42, and the peripheral bolt hole of the swing cylinder mounting plate 45 corresponds to the corresponding threaded hole of the hexagonal support 42 one by one, the swing cylinder 44 is fixedly connected with the bearing 43, the swing cylinder 44 is located below the swing cylinder mounting plate 45 and the bearing 43, and the center is coaxial with the center of the swing cylinder mounting plate 45 and the bearing 43, and the rotary assembly 7 is installed in the corresponding bolt hole of the lifting assembly 2 through the rotary assembly mounting screw 37.

[0014] In a second aspect, an automatic trimming method for a composite C-beam is provided, comprising: Step 1: exhaust the cylinders of the lifting assembly 2 and the rotary assembly 7, so that the lifting assembly 2 is in the lowest position, the swing arm 32 of the rotary assembly 7 is parallel to the length direction of the milling and pressing unit, and the composite C-beam part is fixed on the positioning and supporting assembly 6; Step 2: drive the gas path assembly 3 through the control unit 4 to start the lifting assembly 2 and the rotary assembly 7 on one side of the length direction of the trimming device, make the lifting assembly 2 drive the rotary assembly 7 to vertically run upward through the control unit 4 by controlling the gas path assembly 3, make the swing arm 32 of the rotary assembly 7 perpendicular to the length direction of the trimming device through the control unit 4 by controlling the gas path assembly 3, and make the lifting assembly 2 drive the rotary assembly 7 to run downward after a certain pressing force is applied to the composite C-beam through the control unit 4 by controlling the gas path assembly 3; Step 3: call the trimming program to trim one side; Step 4, according to step 2, the lifting assembly 2 and the rotating assembly 7 on the other side of the length direction of the trimming device are pressed tightly; Step 5, the control unit 4 controls the air path assembly 3 to drive the lifting assembly 2 on the side of the length direction of the trimming device which runs first to drive the rotating assembly 7 to run upward; the control unit 4 controls the air path assembly 3 to drive the swing arm 32 of the rotating assembly 7 to swing to be parallel to the length direction of the trimming device; the control unit 4 controls the air path assembly 3 to drive the lifting assembly 2 on the side which runs first to drive the rotating assembly 7 to run downward and return to the initial position, and stop the air injection; Step 6, the trimming program on the other side is called; Step 7, according to step 5, the lifting assembly 2 and the rotating assembly 7 on the other side of the length direction of the trimming device return to the initial position, and stop the air injection.

[0015] The beneficial effects of the present application are: 1. A composite C-beam automatic universal trimming device, which realizes accurate positioning and pressing of different sizes, lengths and types of composite C-beam parts, and further realizes the trimming needs of different types of C-beam parts; 2. The trimming device for composite C-beam parts reduces the cost, improves the production efficiency, effectively reduces the production preparation time, and improves the consistency of the trimming quality. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The figure is a structural diagram of the composite C-beam automatic universal trimming device; Figure 2 The figure is a structural diagram of the fixed support; Figure 3 The figure is a structural diagram of the lifting assembly; Figure 4 The figure is a structural diagram of the rotating assembly; Figure 5 The figure is a structural diagram of the positioning support assembly.

[0017] Wherein, 1-fixed support, 2-lifting assembly, 3-gas path assembly, 4-control unit, 5-horizontal adjusting plate, 6-positioning support assembly, 7-rotary assembly, 8-organ type protective cover, 9-steel protective cover assembly, 10-bottom plate, 11-channel steel, 12-square steel, 13-sliding block mounting plate, 14-plugging plate, 15-top plate, 16-dust cover mounting plate, 17-dust cover mounting screw, 18-reference plate, 19-pad plate, 20-linear cylinder, 21-spiral hose, 22-sliding rail mounting channel steel, 23-pressing device mounting frame, 24-support mounting screw, 25-cylinder joint, 26-dust cover mounting support, 27-sliding rail, 28-sliding block, 29-rubber pressing block, 30-screw rod, 31-locking nut, 32-swing arm, 33-pushing block, 34-thimble nut, 35-ball head plunger, 36-housing, 37-rotary assembly mounting screw, 38-bearing with seat, 39-cover plate, 40-bearing mounting screw, 41-bearing seat mounting plate, 42-hexagonal support column, 43-bearing, 44-swing cylinder, 45-swing cylinder mounting plate. DETAILED DESCRIPTION

[0018] To make the objects, technical solutions, and advantages of the embodiments of the present application clearer, the following will briefly describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall into the scope of protection of the present application.

[0019] The features and illustrative embodiments of various aspects of the present application will now be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one of ordinary skill in the art that the present application can be practiced without some of these specific details. The description of the embodiments is merely intended to provide a better understanding of the present application by showing examples of the present application. The present application is in no way limited to any specific settings and methods presented below, but covers any improvements, replacements, and modifications of structures, methods, and devices without departing from the spirit of the present application. In the drawings and the following description, well-known structures and techniques are not shown to avoid unnecessary obscuring of the present application.

[0020] It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict, and each embodiment can be mutually referenced and quoted.

[0021] The present application will be described in detail below with reference to the drawings and specific embodiments.

[0022] The embodiment of the present application also provides a composite C-shaped beam automatic trimming device, referring to Figure 1 , comprising a plurality of milling and pressing units, wherein each milling and pressing unit comprises: a fixed support 1, a lifting assembly 2, an air path assembly 3, a control unit 4, a horizontal adjusting plate 5, a positioning support assembly 6, a rotating assembly 7, an organ type protective cover 8, and a steel protective cover assembly 9. Referring to Figure 2 , the fixed support 1 comprises: a bottom plate 10, a channel steel 11, a square steel 12, a sliding block mounting plate 13, a blocking plate 14, a top plate 15, a dust cover mounting plate 16, dust cover mounting screws 17, a reference plate 18, and a gasket plate 19. Each component is welded together, and each component is provided with positioning pin holes and screw holes for mounting the remaining assemblies. The channel steel 11 is welded to the bottom plate 10 and located at the peripheral boundary of the square bottom plate 10. The square steel 12 is welded to the bottom plate 10 and located at the four corners and the middle of the bottom plate 10. The sliding block mounting plate 13 is welded to the square steel 12 and located at the top of the square steel 12 column side of the four corners of the square bottom plate 10. The blocking plate 14 is welded to the square steel 12 and located at the top end surface of the square steel 12 column of the four corners of the square bottom plate 10. The top plate 15 is welded to the square steel 12 and located at the top end surface of the square steel 12 welding assembly of the middle of the bottom plate 10. The dust cover mounting plate 16 is fixedly connected to the square steel 12 through the dust cover mounting screws 17 and located at the middle of the square steel 12 side of the four corners of the square bottom plate 10. The reference plate 18 is welded to the bottom plate 10 and located at the bottom of the bottom plate 10. The gasket plate 19 is welded to the channel steel 11 and located at the outer side of the U-shaped groove of the channel steel 11.

[0023] The fixed support 1 is used for positioning and mounting the lifting assembly 2, the air path assembly 3, the control unit 4, the horizontal adjusting plate 5, the positioning support assembly 6, the rotating assembly 7, the organ type protective cover 8, and the steel protective cover assembly 9, and is a whole support framework of the milling and pressing unit in the composite C-shaped beam automatic general trimming tool.

[0024] Referring to Figure 3The lifting assembly 2 comprises a linear cylinder 20, a spiral hose 21, a slide rail mounting channel steel 22, a presser mounting bracket 23, a bracket mounting screw 24, a cylinder joint 25, a dust cover mounting bracket 26, a slide rail 27 and a sliding block 28. The linear cylinder 20 is fixedly connected with the presser mounting bracket 23 through the cylinder joint 25, and the connection position is located at the middle position of the bottom of the presser mounting bracket 23. The spiral hose 21 is located in the U-shaped groove of the slide rail mounting channel steel 22, and the two ends are respectively connected with the gas circuit assembly 3 and the rotating assembly 7. The slide rail mounting channel steel 22 is fixedly connected with the presser mounting bracket 23 through the bracket mounting screw 24, and the connection position is located at the bottom of the presser mounting bracket 23. The dust cover mounting bracket 26 is fixedly connected with the presser mounting bracket 23, and the connection position is located at the bottom of the presser mounting bracket 23. The slide rail 27 is fixedly connected with the slide rail mounting channel steel 22, and the connection position is located at the other side of the U-shaped groove of the slide rail mounting channel steel 22. The sliding block 28 is slidingly connected with the slide rail 27, and the connection position is located on the slide rail 27.

[0025] The lifting assembly 2 is connected with the fixed support 1 through the slide rail 27 and the sliding block 28. The linear cylinder 20 is combined with the gas circuit assembly 3 to realize the movement of the lifting assembly 2 in the vertical direction. The control unit 4 is used to control the gas inlet direction of the gas circuit assembly 3, so as to realize the real-time control of the movement direction of the lifting assembly 2.

[0026] The gas circuit assembly 3 and the control unit 4 are control units of the automatic general trimming tool for the composite C-shaped beam. According to the need of trimming, the control unit 4 is programmed to control the gas inlet direction of each gas circuit of the gas circuit assembly 3, so as to realize the control of the movement path, stroke and movement direction of each movement unit, and further realize the automatic control of the tool presser unit in the automatic trimming process of the C-shaped beam.

[0027] The horizontal adjusting plate 5 is used for connecting the fixed support 1 and the positioning support assembly 6. The horizontal adjusting plate 5 is provided with threaded holes, bolt holes and positioning pin holes, which are respectively connected with the fixed support 1 and the positioning support assembly 6. The bottom of the horizontal adjusting plate 5 is provided with a relief surface, so that the height and the horizontal adjustment of the positioning support assembly 6 can be realized through the local area height adjustment.

[0028] Referring to Figure 5 The positioning support assembly 6 comprises an internally threaded positioning pin 46, a welded support 47, a positioning support assembly mounting screw 48 and a positioning bolt 49. The internally threaded positioning pin 46 is connected with the welded support 47 in interference fit, and is located in the positioning pin hole in the bottom of the welded support 47. The positioning support assembly mounting screw 48 is connected with the welded support 47 in a 0.5-1mm gap on one side, and is located in the bolt hole in the bottom of the welded support 47. The positioning bolt 49 is connected with the welded support 47 in a gap fit, and is located in the positioning pin hole in the positioning surface of the welded support 47.

[0029] The positioning support assembly 6 is installed on the horizontal adjusting plate 5 through the internal thread positioning pin 46 and the positioning support assembly mounting screw 48, and a plurality of positioning bolt hole groups are arranged on the welding support 47 to adapt to the positioning requirements of different C-shaped beam parts, and the C-shaped beam parts are positioned on the accurate position of the positioning support assembly 6 through the positioning bolt 49.

[0030] Referring to Figure 4 The rotating assembly 7 comprises a rubber pressing block 29, a screw rod 30, a locking nut 31, a swing arm 32, a pushing block 33, a butterfly nut 34, a ball head plunger 35, a shell 36, a rotating assembly mounting screw 37, a bearing with seat 38, a cover plate 39, a bearing mounting screw 40, a bearing seat mounting plate 41, a hexagonal support column 42, a bearing 43, a swing cylinder 44 and a swing cylinder mounting plate 45. The adjusting and pressing assembly is composed of the rubber pressing block 29, the screw rod 30, the locking nut 31, the pushing block 33, the butterfly nut 34 and the ball head plunger 35, wherein the rubber pressing block 29 is fixedly connected with the screw rod 30 and located at the screw thread end of the screw rod 30, the locking nut 31, the pushing block 33 and the butterfly nut 34 are threadedly connected with the screw thread end of the screw rod 30, the adjusting and pressing assembly is movably connected with the swing arm 32 and is installed in the clamping groove of the swing arm 32, and the swing arm 32 is located between the locking nut 31 and the pushing block 33.

[0031] The swing arm 32 is fixedly connected with the bearing 43, the cover plate 39 and the bearing seat mounting plate 41 through the bearing mounting screw 40, the cover plate 39 is located on the upper end face of the round hole at the non-clamping groove end of the swing arm 32, the bearing seat mounting plate 41 is located on the lower end face of the round hole at the non-clamping groove end of the swing arm 32, and the mounting screw 40 passes through the central hole of the swing arm 32 at the non-clamping groove end in sequence and is screwed into the central threaded hole on the upper end face of the bearing seat mounting plate 41.

[0032] The bearing with seat 38 is fixedly connected with the bearing seat mounting plate 41 and located in the clamping groove on the bottom face of the bearing seat mounting plate 41, the hexagonal support column 42 is fixedly connected with the bearing seat mounting plate 41 and located at the periphery of the bearing with seat 38 on the bottom face of the bearing seat mounting plate 41, the central hole of the hexagonal support column 42 corresponds to the positioning hole on the bottom face of the bearing seat mounting plate 41, the rotating assembly mounting screw 37 is connected with the bearing seat mounting plate 41 in a clearance fit and located in the bolt hole at the square end of the bearing seat mounting plate 41, the large end of the bearing 43 is fixedly connected with the bearing with seat 38, the small end is fixedly connected with the swing cylinder 44, and the bearing 43 is located between the central positioning hole on the lower bottom face of the bearing with seat 38 and the swing shaft of the swing cylinder 44.

[0033] The swing cylinder mounting plate 45 is fixedly connected with the hexagonal support 42, and the lower surface of the swing cylinder mounting plate 45 is attached to the positioning surface of one end of the swing shaft of the swing cylinder 44, and the other surface is fixedly connected with the hexagonal support 42, and the peripheral bolt holes of the swing cylinder mounting plate 45 correspond to the threaded holes of the hexagonal support 42 one by one. The swing cylinder 44 is fixedly connected with the swing cylinder mounting plate 45 and the bearing 43, and the swing cylinder 44 is located below the swing cylinder mounting plate 45 and the bearing 43, and the center is coaxial with the center of the swing cylinder mounting plate 45 and the bearing 43.

[0034] The rotary assembly 7 is installed in the corresponding bolt hole of the lifting assembly 2 through the rotary assembly mounting screw 37, and the rotary process of the rotary assembly 7 is controlled through the gas circuit assembly 3 and the control unit 4, and the movement sequence of the C-shaped beam part pressing process and the edge cutting process is controlled through the coordination of the lifting process of the lifting assembly 2.

[0035] The embodiment of the present application also provides a composite C-shaped beam automatic edge cutting method, which comprises the following steps: 1. installing each milling and pressing unit on the machine tool table, and adjusting the position of the milling and pressing unit according to the reference hole, and installing each group of milling and pressing units in place; 2. further exhausting the cylinders of the lifting assembly 2 and the rotary assembly 7, so that the lifting assembly 2 is in the lowest position, and the rotary assembly 7 and the swing arm 32 in the rotary assembly 7 are in the parallel position with the length direction of the milling and pressing unit; 3. further connecting the gas circuit assembly 3 with the external gas circuit, connecting the control unit 4 with the external circuit and the control panel, and starting the lifting assembly 2 and the rotary assembly 7 on one side of the length direction of the composite C-shaped beam general edge cutting tool through the control unit 4 and the gas circuit assembly 3; 4. further starting, the control unit first supplies air to the vertical upward running direction of the linear cylinder 20 in the lifting assembly 2, so that the linear cylinder 20 drives the sliding rail 27 and the sliding block 28 to slide and run, thereby further driving the vertical upward running of the presser mounting frame 23, and further driving the vertical upward running of the rotary assembly 7 mounted on the presser mounting frame 23; 5. further supplying air to the swing cylinder 44 of the rotary assembly 7 on one side of the length direction of the composite C-shaped beam general edge cutting tool through the control unit 4 and the gas circuit assembly 3, so that the swing arm 32 is swung to the vertical direction of the length direction of the composite C-shaped beam general edge cutting tool; 6. Further, the control unit 4 issues instructions to control the air circuit assembly 3 to inject air into the linear cylinder 20 in the same side lifting assembly 2 in the downward running direction, so that the lifting assembly 2 drives the rotary assembly 7 to run downward, and finally makes the rubber pressing block 29 in the lifting assembly 2 adhere to the welding support 47 in the pressing and positioning support assembly 6, and then stops running after a certain pressing force is applied, so that the downward pressure applied by the linear cylinder 20 is balanced; 7. Further, the control unit 4 issues instructions to control the lifting assembly 2 and the rotary assembly 7 on one side of the length direction of the composite C-beam universal trimming tool to run according to the above steps 3-6, and to make the lifting assembly 2 and the rotary assembly 7 on the other side of the length direction of the composite C-beam universal trimming tool meet the pressing requirements; 8. Further, the control unit 4 issues instructions to make the linear cylinder 20 in the lifting assembly 2 on the first running side of the length direction of the composite C-beam universal trimming tool run vertically upward in the injection direction, so that the lifting assembly 2 drives the rotary assembly 7 to run upward; 9. Further, the control unit 4 issues instructions to inject air into the swing cylinder 44 in the rotary assembly 7, so that the swing arm 32 is swung to be horizontal with the length direction of the composite C-beam universal trimming tool; 10. Further, the control unit 4 issues instructions to make the linear cylinder 20 in the lifting assembly 2 on the first running side of the length direction of the composite C-beam universal trimming tool run vertically downward in the injection direction, so that the lifting assembly 2 drives the rotary assembly 7 to run downward and return to the initial position, and stop injecting air; 11. Further, the control unit 4 issues instructions to make the lifting assembly 2 and the rotary assembly 7 on the first running side of the length direction of the composite C-beam universal trimming tool run according to the running order of the above steps 8-10, and return to the initial position, so that the running debugging is completed; 12. Further, the control unit 4 issues instructions to make the entire running program run automatically, so as to ensure that the running order and process are consistent with the expectations; 13. Further, the composite C-beam part is placed on the composite C-beam automatic universal trimming tool positioning support assembly 6, and the positioning hole of the composite C-beam part is coordinated with the corresponding positioning hole on the positioning support assembly 6; 14. Further, the one end of the cylindrical positioning shaft of the positioning pin 49 is sequentially inserted through the positioning ear hole of the composite C-beam part and the corresponding positioning hole on the positioning support assembly 6, so that the composite C-beam part is accurately positioned on the composite C-beam automatic universal trimming tool; 15. Further, the control unit 4 issues instructions to start the lifting assembly 2 and the rotary assembly 7 on one side of the length direction of the composite C-beam universal trimming tool according to the above steps 3-6, and press the composite C-beam part; 16. Further start the machine edge cutting program to complete the composite C-beam parts tool length direction lifting assembly 2, rotary assembly 7 in the initial state of one side and both ends of the composite C-beam parts edge cutting, and stop the edge cutting program running, the machine spindle head is located outside the composite C-beam automatic general edge cutting tool, to prevent interference with the running assembly; 17. Further according to the above steps 3-10 operation, first make the composite C-beam parts tool length direction on the other side of the lifting assembly 2, rotary assembly 7 not running, and then make the composite C-beam parts tool length direction first running side of the lifting assembly 2, rotary assembly 7 back to the initial position; 18. Further start the machine edge cutting program to complete the composite C-beam parts remaining portion of the edge cutting work; 19. Further through the control unit 4 to issue instructions, make the composite C-beam general edge cutting tool length direction after the first running side of the lifting assembly 2, rotary assembly 7 according to the above steps 8-10 operation sequence operation, and make it back to the initial position; 20. Further pull out the positioning pin 49, the lower composite C-beam parts can complete the entire edge cutting work, and clean the composite C-beam automatic general edge cutting tool, to prepare for the next edge cutting work.

[0036] The above only expresses the embodiment of the present application, the description is more specific and detailed, but can not therefore be understood as the limitation of the patent scope. It should be noted that for those skilled in the art, without departing from the concept of the present application, can make several variations and improvements, which belong to the protection scope of the present application. In addition, the part of the present application is not detailed is the routine technology.

Claims

1. An automatic trimming device for composite C-beams, characterized in that: include: A plurality of milling and pressing units are provided, and the positions of the plurality of milling and pressing units are determined according to the structure of the composite material C-shaped beam and the trimming requirements. Each milling and pressing unit comprises: a fixed support (1), a lifting component (2), an air circuit component (3), a control unit (4), and a rotary component (7); the lifting component (2), the air circuit component (3), the control unit (4), and the rotary component (7) are arranged on the fixed support (1); the fixed support (1) is the overall support skeleton of the milling and pressing unit, and is used for positioning and installing the lifting component (2), the air circuit component (3), the control unit (4), and the rotary component (7); the rotary component (7) is installed on the lifting component (2); the control unit (4) is electrically connected to the air circuit component (3); the air circuit component (3) is connected to the rotary component (7) and the lifting component (2) via the air circuit. The air circuit assembly (3) and the control unit (4) are control modules, and the lifting assembly (2) and the rotary assembly (7) are motion modules. The air circuit assembly (3) and the control unit (4) control the rotary process of the rotary assembly (7) and the lifting process of the lifting assembly (2), thereby realizing control of the motion sequence of the pressing process and the trimming process of the C-beam parts.

2. The device according to claim 1, wherein The device further comprises a level adjustment plate (5) and a positioning support assembly (6) arranged on the fixed support (1). The positioning support assembly (6) is mounted on the horizontal adjustment plate (5), and the positioning support assembly (6) is provided with a plurality of groups of positioning pin holes for positioning the composite material C-shaped beam.

3. The device according to claim 2, wherein The bottom of the horizontal adjustment plate (5) is provided with an avoidance surface for adjusting the height and horizontal position of the positioning support component (6).

4. The device according to claim 2, wherein The device further comprises an accordion-type shield (8) and a steel shield assembly (9) fixed on the fixed support (1); the accordion-type shield (8) and the steel shield assembly (9) are connected, and the accordion-type shield (8) can move up and down along with the lifting assembly (2).

5. The device according to claim 1, wherein The fixed support (1) comprises: a bottom plate (10), a channel steel (11), a square steel (12), a slider mounting plate (13), a blocking plate (14), a top plate (15), a dust cover mounting plate (16), a dust cover mounting screw (17), a reference plate (18), and a pad (19); Among them, the channel steel (11) is welded to the bottom plate (10), and the channel steel (11) is located at the outer boundary of the square bottom plate (10); the square steel (12) is welded to the bottom plate (10), and the square steel (12) is located at the four corners and the middle of the square bottom plate (10); the slider mounting plate (13) is welded to the square steel (12), and the slider mounting plate (13) is located at the top position of the side of the square steel (12) column; the blocking plate (14) is welded to the square steel (12), and the blocking plate (14) is located at the top of the square steel (12) column end face; the top plate (15) is welded to the square steel (12), and the top plate (15) is located on the upper end face of the square steel (12); the dust cover mounting plate (16) is fixedly connected to the square steel (12) by the dust cover mounting screws (17), and the dust cover mounting plate (16) is located in the middle of the side of the square steel (12); the reference plate (18) is welded to the bottom plate (10), and the reference plate (18) is located at the bottom of the bottom plate (10); the pad (19) is welded to the channel steel (11), and the pad (19) is located on the outer side of the U-shaped groove of the channel steel (11); the steel protective cover assembly (9) is fixedly connected to the channel steel (11) and the dust cover mounting plate (16).

6. The device according to claim 1, wherein The lifting assembly (2) comprises: a linear cylinder (20), a spiral hose (21), a slide rail mounting channel steel (22), a pressing device mounting frame (23), a bracket mounting screw (24), a cylinder joint (25), a dust cover mounting bracket (26), a slide rail (27), and a slider (28); The linear cylinder (20) is fixedly connected to the pressing device mounting frame (23) through the cylinder joint (25), and the connection position is located in the middle position of the bottom of the pressing device mounting frame (23); the spiral hose (21) is located in the U-shaped groove of the slide rail mounting channel steel (22), and the two ends are respectively connected to the air path component (3) and the rotary component (7); the slide rail mounting channel steel (22) is fixedly connected to the pressing device mounting frame (23) through the bracket mounting screws (24), and is located at the two end positions of the bottom of the pressing device mounting frame (23); the dust cover mounting bracket (26) is fixedly connected to the pressing device mounting frame (23) through the bracket mounting screws (24). The mounting frame (23) is fixedly connected and is located at the bottom of the pressing device mounting frame (23); the slide rail (27) is fixedly connected to the slide rail mounting channel steel (22) and is located on the other side of the slide rail mounting channel steel (22) opposite to the U-shaped groove; the slider (28) is slidably connected to the slide rail (27), and the slider (28) is located on the slide rail (27); the lifting assembly (2) is connected to the slider mounting plate (13) of the fixed support (1) through the slide rail (27) and the slider (28), and the accordion shield (8) is fixedly connected to the pressing device mounting frame (23).

7. The device according to claim 1, wherein The positioning support assembly (6) includes: an internal thread positioning pin (46), a welding support (47), a positioning support assembly mounting screw (48), and a positioning pin (49); the internal thread positioning pin (46) is connected to the welding support (47) by interference fit, and the internal thread positioning pin (46) is located in the positioning pin hole at the bottom of the welding support (47); the positioning support assembly mounting screw (48) is connected to the welding support (47) with a single-side gap of 0.5-1mm, and is located in the bolt hole at the bottom of the welding support (47); the positioning pin (49) is connected to the welding support (47) by gap fit, and is located in the positioning pin hole in the upper positioning surface of the welding support (47); The positioning support assembly (6) is mounted on the horizontal adjustment plate (5) via an internal thread positioning pin (46) and a positioning support assembly mounting screw (48); a plurality of positioning pin holes are provided on the welding support (47) to adapt to the positioning requirements of different C-beam parts, and the C-beam parts are positioned at the position of the positioning support assembly (6) via the positioning pin (49).

8. The device according to claim 1, wherein The rotary assembly (7) includes: a rubber pressure block (29), a screw (30), a locking nut (31), a swing arm (32), a push block (33), a butterfly nut (34), a ball plunger (35), a housing (36), a rotary assembly mounting screw (37), a seat bearing (38), a cover plate (39), a bearing mounting screw (40), a bearing seat mounting plate (41), a hexagonal support (42), a bearing (43), a swing cylinder (44), and a swing cylinder mounting plate (45). The rubber pressure block (29), the screw (30), the locking nut (31), the pushing block (33), the butterfly nut (34), and the ball plunger (35) constitute an adjusting and pressing assembly, wherein the rubber pressure block (29) is fixedly connected to the screw (30), and the rubber pressure block (29) is located at one end of the spherical thread of the end of the screw (30); the locking nut (31), the pushing block (33), and the butterfly nut (34) are threadedly connected to one end of the flat end thread of the screw (30); the adjusting and pressing assembly is movably connected to the swing arm (32) and is installed in the slot of the swing arm (32), and the swing arm (32) is located between the locking nut (31) and the pushing block (33); The swing arm (32) is fixedly connected to the bearing (43), the cover plate (39), and the bearing seat mounting plate (41) by means of the bearing mounting screw (40). The cover plate (39) is located on the upper end face of the circular hole at the non-slot end of the swing arm (32). The bearing seat mounting plate (41) is located on the lower end face of the circular hole at the non-slot end of the swing arm (32). The mounting screw (40) passes through the center hole of the cover plate (39) and the non-slot end of the swing arm (32) in sequence and is screwed into the center threaded hole on the upper end face of the bearing seat mounting plate (41). The seat bearing (38) is fixedly connected to the bearing seat mounting plate (41), and the seat bearing (38) is located in the bottom groove of the bearing seat mounting plate (41); the hexagonal support (42) is fixedly connected to the bearing seat mounting plate (41), and the hexagonal support (42) is located on the periphery of the seat bearing (38) on the bottom surface of the bearing seat mounting plate (41); the center hole of the hexagonal support (42) corresponds to the positioning hole on the bottom surface of the bearing seat mounting plate (41); the rotary assembly mounting screw (37) is gap-connected to the bearing seat mounting plate (41), and the rotary assembly mounting screw (37) is located in the bolt hole at one square end of the bearing seat mounting plate (41); the large end of the bearing (43) is fixedly connected to the seat bearing (38), and the small end is fixedly connected to the swing cylinder (44), and the bearing (43) is located between the center positioning hole on the bottom surface of the seat bearing (38) and the swing shaft of the swing cylinder (44); The swing cylinder mounting plate (45) is fixedly connected to the hexagonal support (42) and the swing cylinder (44); the lower surface of the swing cylinder mounting plate (45) is mounted on the positioning surface at one end of the swing shaft of the swing cylinder (44); the upper surface is fixedly connected to the hexagonal support (42); and the outer bolt holes of the swing cylinder mounting plate (45) correspond to the corresponding threaded holes of the hexagonal support (42); the swing cylinder (44) is fixedly connected to the bearing (43); the swing cylinder (44) is located on the lower side of the swing cylinder mounting plate (45) and the bearing (43), and the center is coaxial with the center of the swing cylinder mounting plate (45) and the bearing (43); the rotary assembly (7) is mounted in the corresponding bolt hole on the lifting assembly (2) through the rotary assembly mounting screw (37).

9. A composite material C-beam automated trimming method, characterized in that: For the device according to any one of claims 1 to 8, the method comprises: Step 1: exhaust the cylinders of the lifting assembly (2) and the rotary assembly (7), so that the lifting assembly (2) is at the lowest position and the swing arm (32) of the rotary assembly (7) is parallel to the length direction of the milling and pressing unit; fix the composite material C-beam part on the positioning support assembly (6); Step 2: The control unit (4) drives the air circuit assembly (3) to start the lifting assembly (2) and the rotary assembly (7) on one side of the length direction of the trimming device; the control unit (4) controls the air circuit assembly (3) to make the lifting assembly (2) drive the rotary assembly (7) to move vertically upward; the control unit (4) controls the air circuit assembly (3) to make the swing arm (32) of the rotary assembly (7) perpendicular to the length direction of the trimming device; the control unit (4) controls the air circuit assembly (3) to make the lifting assembly (2) drive the rotary assembly (7) to move downward, and stops the operation after applying a certain pressing force to the composite material C-shaped beam; Step 3: Call the trimming program to perform trimming on one side; Step 4: According to step 2, the lifting assembly (2) and the rotating assembly (7) on the other side of the trimming device in the longitudinal direction are made to meet the pressing requirements; Step 5, the control unit (4) controls the air circuit assembly (3) so that the lifting assembly (2) on the side that first moves in the longitudinal direction of the trimming device drives the rotary assembly (7) to move upward; the control unit (4) controls the air circuit assembly (3) so that the swing arm (32) of the rotary assembly (7) swings to be parallel to the longitudinal direction of the trimming device; the control unit (4) controls the air circuit assembly (3) so that the lifting assembly (2) on the side that first moves drives the rotary assembly (7) to move downward, return to the initial position, and stop gas injection; Step 6: Call the trimming program to trim the other side; Step 7: According to step 5, the lifting assembly (2) and the rotating assembly (7) on the other side of the trimming device in the longitudinal direction are returned to their initial positions, and the gas injection is stopped.

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