Machining platform for aviation composite part

Abstract

The utility model discloses a machining platform for aviation composite material parts, which relates to the technical field of carbon fiber composite material machining and comprises a workbench and a clamping component arranged on the workbench and used for clamping workpieces. The grinding assembly is used for grinding the clamped workpiece and comprises a grinding piece and a motor used for driving the grinding piece to rotate; and the cleaning assembly is used for cleaning the working surface of the polishing sheet. By arranging the cooling mechanism, heat generated by high-speed friction between the grinding piece and the carbon fibers can be dissipated, the temperature rise of the grinding piece is slowed down, the situation that resin is melted due to the heat is reduced, the resin attached to the working face of the grinding piece is cooled so that the resin can be solidified, and then the viscosity is reduced; and then solidified resin and carbon fiber chippings are removed from the working face of the grinding piece through the cleaning mechanism, and therefore the grinding effect of the grinding piece is kept in a good state all the time.

Description

Technical Field

[0001] The utility model relates to the technical field of carbon fiber composite material processing, in particular to a processing platform for aviation composite material parts. Background Art

[0002] Carbon fiber composite materials are widely used in the aviation field due to their superior performance. They are made of carbon fiber cloth woven from carbon fiber combined with high-temperature heated resin (adhesive) and hot-pressed and cured. During its processing, it is usually necessary to grind the surface of the workpiece to obtain a workpiece with a smooth and beautiful surface. Grinding requires a grinding device, which mainly includes three parts: a workbench, a fixture on the workbench for clamping the workpiece, and a grinding device for grinding the surface of the workpiece. The grinding equipment includes a grinding sheet.

[0003] The current technical problems are: Due to the special properties of the carbon fiber composite material structure, when the carbon fiber composite material is polished, the high-speed friction between the polishing sheet and the carbon fiber will generate heat, and the heat will cause the resin material in the carbon fiber composite material to be partially melted. This partially melted resin material will be mixed with the carbon fiber and adhere to the polishing sheet. Over time, a layer of carbon fiber and resin layer will be attached to the surface of the polishing sheet. If it is not cleaned in time, the polishing effect of the polishing sheet will be reduced. Utility Model Content

[0004] The purpose of the utility model is to provide a processing platform for aviation composite parts to solve the technical problem raised by the above background technology that when grinding carbon fiber composite materials, carbon fiber and resin are easily adsorbed on the grinding sheet of the processing platform for aviation composite parts on the current market.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a processing platform for aviation composite parts, comprising:

[0006] A workbench and a clamping assembly disposed on the workbench for clamping a workpiece;

[0007] A grinding assembly for grinding the clamped workpiece, the grinding assembly comprising a grinding sheet and a motor for driving the grinding sheet to rotate;

[0008] A cleaning assembly for cleaning the working surface of the grinding sheet, the cleaning assembly comprising:

[0009] A cooling mechanism for cooling the adhesive attached to the working surface of the grinding sheet;

[0010] A cleaning mechanism for removing solidified adhesive and carbon fiber debris from the working surface of the grinding disc.

[0011] As a preferred technical solution of the utility model, the clamping assembly includes: a clamping component and an adjusting component for adjusting the distance between the clamping component and the grinding sheet, and the clamping component includes:

[0012] A clamping body with a slide groove;

[0013] A fixed clamping plate provided on one side of the clamping body;

[0014] A slider with a threaded groove, wherein the slider is slidably arranged in the slide groove;

[0015] A threaded rod having one end rotatably connected to the clamp body, and the other end of the threaded rod passes through the thread groove and extends to the slide groove;

[0016] A movable clamping plate connected to the sliding block forms a clamping space for clamping a workpiece between the movable clamping plate and the fixed clamping plate.

[0017] As a preferred technical solution of the utility model, the adjusting component includes:

[0018] A support plate disposed at the upper end of the workbench;

[0019] The base is connected to the electric push rod of the support plate, and the output end of the electric push rod is connected to the clamp body.

[0020] As a preferred technical solution of the utility model, the grinding assembly includes:

[0021] A bracket disposed at the upper end of the workbench;

[0022] A sliding body slidably connected to the bracket, wherein the sliding body is connected to the motor;

[0023] A shield is used for covering the grinding sheet, wherein the shield is connected to the sliding body.

[0024] As a preferred technical solution of the utility model, the cooling mechanism includes: a nozzle and a water supply structure for supplying water to the nozzle, and the nozzle is aimed at the working surface of the grinding sheet.

[0025] As a preferred technical solution of the utility model, the water supply structure includes:

[0026] A sieve plate with a concave groove, a surface of which is provided with sieve holes, and the sieve plate is arranged on a water tank arranged on a workbench;

[0027] A support block provided on the inner wall of the water tank, the support block being used to support the sieve plate;

[0028] A shell having a piston chamber, the shell being connected to the spray head;

[0029] A water suction pipe with one end connected to the shell, and the other end of the water suction pipe connected to the water tank;

[0030] A piston is arranged in the piston cavity, and a first linkage structure is used to synchronously drive the piston to reciprocate in the piston cavity when the grinding sheet is working.

[0031] As a preferred technical solution of the utility model, the first linkage structure includes:

[0032] A rotating shaft having one end rotatably connected to the sliding body;

[0033] a belt for connecting the rotating shaft to an output shaft of the motor;

[0034] A reduction gearbox whose input end is connected to the rotating shaft;

[0035] A first connecting rod connected to the output end of the reduction gearbox;

[0036] a crank connected to the first connecting rod;

[0037] A rocker with one end movably connected to the crank and the other end of the rocker movably connected to the piston.

[0038] As a preferred technical solution of the utility model, the cleaning mechanism includes: a brush roller and a second linkage structure for synchronously driving the brush roller to rotate and clean the grinding sheet when the grinding sheet is working.

[0039] As a preferred technical solution of the utility model, the second linkage structure includes:

[0040] a first bevel gear connected to the first connecting rod;

[0041] a second bevel gear matched with the first bevel gear;

[0042] One end of a second connecting rod is connected to the second bevel gear, and the other end of the second connecting rod is connected to the brush roller.

[0043] As a preferred technical solution of the utility model, a sleeve is provided at the upper end of the brush roller, the sleeve has a first pin hole, the surface of the second connecting rod has a second pin hole matching the first pin hole, and a positioning pin is provided between the first pin hole and the second pin hole.

[0044] Compared with the prior art, the beneficial effects of the utility model are:

[0045] The utility model is capable of dissipating heat generated by high-speed friction between the grinding sheet and the carbon fiber by arranging a cooling mechanism, so that the temperature rise of the grinding sheet is slowed down, the melting of the resin due to heat is reduced, and the resin attached to the working surface of the grinding sheet is cooled to solidify it and reduce the viscosity, and then the solidified resin and carbon fiber debris are removed from the working surface of the grinding sheet by the cleaning mechanism, so as to keep the grinding effect of the grinding sheet always in a better state. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] Figure 1 It is a schematic diagram of the external three-dimensional structure of the utility model;

[0047] Figure 2 It is a schematic diagram of the three-dimensional structure of the sliding body, the grinding sheet and the housing of the utility model;

[0048] Figure 3 It is a schematic diagram of the partially cutaway three-dimensional structure of the second connecting rod and the brush roller of the utility model;

[0049] Figure 4 It is a schematic diagram of the three-dimensional structure of the workbench and the screen plate of the utility model;

[0050] Figure 5 It is a schematic diagram of a partially cutaway three-dimensional structure of the clamp body of the present utility model.

[0051] In the figure: 1. workbench; 2. water tank; 3. support block; 4. sieve plate; 5. recessed groove; 6. sieve hole; 7. support plate; 8. electric push rod; 9. clamping body; 10. movable splint; 11. fixed splint; 12. slider; 13. slide groove; 14. threaded rod; 15. threaded groove; 16. bracket; 17. sliding body; 18. motor; 19. grinding disc; 20. protective cover; 21. belt; 22. rotating shaft; 23. reduction gearbox; 24. first bevel gear; 25. second bevel gear; 26. second connecting rod; 27. brush roller; 28. first pin hole; 29. ​​second pin hole; 30. positioning pin; 31. shell; 32. suction pipe; 33. nozzle; 34. crank; 35. rocker; 36. piston. DETAILED DESCRIPTION

[0052] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0053] See also Figure 1-5The utility model provides a technical solution: a processing platform for aviation composite parts, comprising: a workbench 1 and a clamping assembly arranged on the workbench 1 for clamping a workpiece; a grinding assembly for grinding the clamped workpiece, the grinding assembly comprising a grinding sheet 19 and a motor 18 for driving the grinding sheet 19 to rotate; a cleaning assembly for cleaning the working surface of the grinding sheet 19, the cleaning assembly comprising: a cooling mechanism for cooling the adhesive attached to the working surface of the grinding sheet 19 to solidify it and thereby reduce the viscosity; a cleaning mechanism for removing the adhesive and carbon fiber debris from the working surface of the grinding sheet 19 after the adhesive solidifies;

[0054] The above-mentioned technical scheme can prevent the polishing sheet 19 from being attached by resin and causing a decrease in the polishing effect. When in use, the workpiece is clamped by the clamping assembly, and the motor 18 is started to drive the polishing sheet 19 to rotate. The polishing sheet 19 polishes the surface of the workpiece. The high-speed friction between the polishing sheet 19 and the carbon fiber will generate heat, and the resin material will be partially melted. This part of the melted resin material will be mixed with the carbon fiber and adhere to the polishing sheet 19. At this time, the cooling mechanism cools the adhesive attached to the working surface of the polishing sheet 19 to solidify it and thereby reduce its viscosity. The solidified resin and carbon fiber debris are then removed from the working surface of the polishing sheet 19 by the cleaning mechanism, thereby keeping the polishing effect of the polishing sheet 19 always in a better state.

[0055] like Figure 1 and Figure 5 As shown, in this embodiment, the clamping assembly includes: a clamping component and an adjusting component for adjusting the distance between the clamping component and the grinding sheet 19, and the clamping component includes: a clamping body 9 with a slide groove 13; a fixed clamping plate 11 arranged on one side of the clamping body 9; a slider 12 with a threaded groove 15, and the slider 12 is slidably arranged in the slide groove 13; a threaded rod 14 rotatably connected to the clamping body 9 at one end, and the other end of the threaded rod 14 passes through the threaded groove 15 and extends to the slide groove 13; a movable clamping plate 10 connected to the slider 12, and a clamping space for clamping a workpiece is formed between the movable clamping plate 10 and the fixed clamping plate 11;

[0056] The above technical solution can be used to clamp the workpiece. When in use, the workpiece is first placed in the clamping space between the movable clamping plate 10 and the fixed clamping plate 11, and the threaded rod 14 is rotated to drive the slider 12 to slide along the slide groove 13, thereby driving the movable clamping plate 10 and the fixed clamping plate 11 to move closer to each other to form a stable clamp for the workpiece, thereby preventing the workpiece from shifting during the grinding process.

[0057] Further, such as Figure 1 As shown, in this embodiment, the adjusting component includes: a support plate 7 provided at the upper end of the workbench 1; an electric push rod 8 whose base is connected to the support plate 7, and whose output end is connected to the clamp body 9;

[0058] The above technical solution can adjust the distance between the workpiece and the grinding sheet 19 . When in use, the clamp body 9 can be driven to move synchronously by controlling the extension and retraction of the electric push rod 8 , thereby driving the workpiece to move relative to the grinding sheet 19 .

[0059] like Figure 1 and Figure 2 As shown, in this embodiment, the grinding assembly includes: a bracket 16 disposed at the upper end of the workbench 1; a sliding body 17 slidably connected to the bracket 16, and the sliding body 17 is connected to the motor 18; a shield 20 for covering the grinding sheet 19, and the shield 20 is connected to the sliding body 17;

[0060] The above technical solution can be used to adjust the height of the grinding sheet 19, thereby adjusting the grinding surface of the workpiece by the grinding sheet 19. The protective cover 20 can prevent the debris generated by grinding from splashing and injuring people, thereby improving safety.

[0061] like Figure 1 As shown, in this embodiment, the cooling mechanism includes: a nozzle 33 and a water supply structure for supplying water to the nozzle 33, and the nozzle 33 is aimed at the working surface of the grinding sheet 19;

[0062] The above technical solution can be used to cool down the heated and melted resin. Water is injected into the nozzle 33 through the water supply structure, and water is sprayed toward the working surface of the grinding sheet 19 through the nozzle 33, thereby cooling the working surface of the grinding sheet 19, so that the resin attached to the working surface of the grinding sheet 19 is solidified, the viscosity is reduced, and it is easy to clean.

[0063] Further, such as Figure 2 and Figure 4 As shown, in this embodiment, the water supply structure includes: a sieve plate 4 with a concave groove 5, a sieve hole 6 is formed on the surface of the sieve plate 4, and the sieve plate 4 is arranged on the water tank 2 formed on the workbench 1; a support block 3 is arranged on the inner wall of the water tank 2, and the support block 3 is used to support the sieve plate 4; a shell 31 with a piston cavity, and the shell 31 is connected to the nozzle 33; a water suction pipe 32 with one end connected to the shell 31, and the other end of the water suction pipe 32 is connected to the water tank 2; a piston 36 is arranged in the piston cavity, and a first linkage structure is used to synchronously drive the piston 36 to reciprocate in the piston cavity when the grinding sheet 19 is working;

[0064] The above technical solution can be used to inject water into the nozzle 33. When the grinding disc 19 is working, the first linkage structure drives the piston 36 to reciprocate in the piston chamber, thereby creating a pressure change in the piston chamber of the shell 31, so that the water in the water tank 2 is drawn into the shell 31 through the suction pipe 32, and squeezed into the nozzle 33 through the piston 36, thereby realizing water supply to the nozzle 33. It should be noted that a one-way valve is provided in both the nozzle 33 and the suction pipe 32, so that water supply can be achieved.

[0065] Further, such as Figure 2 As shown, in this embodiment, the first linkage structure includes: a rotating shaft 22 having one end rotatably connected to the sliding body 17; a belt 21 for connecting the rotating shaft 22 to the output shaft of the motor 18; a reduction box 23 having an input end connected to the rotating shaft 22; a first connecting rod connected to the output end of the reduction box 23; a crank 34 connected to the first connecting rod; a rocker 35 having one end movably connected to the crank 34, and the other end of the rocker 35 being movably connected to the piston 36;

[0066] The above-mentioned technical solution can realize that the grinding disc 19 can synchronously drive the piston 36 to reciprocate in the piston cavity when working, thereby improving the mechanical utilization rate. During operation, when the motor 18 rotates, it will synchronously drive the rotating shaft 22 to rotate through the belt 21. The rotating shaft 22 transmits its power to the first connecting rod through the reduction box 23. The first connecting rod drives the crank 34 to rotate, and the crank 34 drives the piston 36 to reciprocate in the piston cavity of the shell 31 through the rocker 35.

[0067] like Figure 1 and Figure 2 As shown, in this embodiment, the cleaning mechanism includes: a brush roller 27 and a second linkage structure for synchronously driving the brush roller 27 to rotate and clean the grinding sheet 19 when the grinding sheet 19 is working;

[0068] The above technical solution can clean the solidified resin, and the brush roller 27 cleans the surface of the grinding sheet 19 when the grinding sheet 19 is working.

[0069] Further, such as Figure 2 As shown, in this embodiment, the second linkage structure includes: a first bevel gear 24 connected to the first connecting rod; a second bevel gear 25 matched with the first bevel gear 24; a second connecting rod 26 connected to the second bevel gear 25 at one end, and the other end of the second connecting rod 26 is connected to the brush roller 27;

[0070] The adoption of the above technical solution can ensure that the grinding sheet 19 synchronously drives the brush roller 27 to rotate when working, thereby improving the mechanical utilization rate. During operation, when the first connecting rod rotates, it will synchronously drive the first bevel gear 24 on its surface to rotate, and the first bevel gear 24 will mesh with the second bevel gear 25 on the surface of the second connecting rod 26 for transmission, thereby driving the second connecting rod 26 to rotate, and the second connecting rod 26 drives the brush roller 27 to clean the grinding sheet 19, and remove the solidified resin and carbon fiber debris from the working surface of the grinding sheet 19, thereby keeping the grinding effect of the grinding sheet 19 always in a better state.

[0071] like Figure 3As shown, in this embodiment, a sleeve is provided at the upper end of the brush roller 27, and a first pin hole 28 is formed in the sleeve. A second pin hole 29 matching with the first pin hole 28 is formed on the surface of the second connecting rod 26, and a positioning pin 30 is provided between the first pin hole 28 and the second pin hole 29;

[0072] The above technical solution can facilitate the disassembly of the brush roller 27. When the brush roller 27 needs to be replaced and maintained after being used for a long time, the positioning pin 30 can be pulled out from the first pin hole 28 and the second pin hole 29 by a tool to separate the brush roller 27 from the second connecting rod 26.

[0073] Working principle: when in use, put the workpiece into the clamping space between the movable clamping plate 10 and the fixed clamping plate 11, rotate the threaded rod 14 to drive the slider 12 to slide along the slide groove 13, thereby driving the movable clamping plate 10 and the fixed clamping plate 11 to move closer to each other to form a stable clamp for the workpiece, and by controlling the extension and contraction of the electric push rod 8, the clamp body 9 can be driven to move synchronously, thereby driving the workpiece to contact and fit with the grinding sheet 19, and starting the motor 18 to drive the grinding sheet 19 to rotate, and the grinding sheet 19 grinds the surface of the workpiece. The high-speed friction between the grinding sheet 19 and the carbon fiber will generate heat, and the resin material will be partially melted. This partially melted resin material will be mixed with the carbon fiber and adhere to the grinding sheet 19. When the grinding sheet 19 is working, the first linkage structure drives the piston 36 to reciprocate in the piston cavity, thereby the piston of the housing 31 A pressure change is created in the cavity, so that the water in the water tank 2 is sucked into the shell 31 through the suction pipe 32, and squeezed into the nozzle 33 through the piston 36, so as to supply water to the nozzle 33, and the water is sprayed to the working surface of the grinding sheet 19 through the nozzle 33, so as to cool the working surface of the grinding sheet 19, so that the resin attached to the working surface of the grinding sheet 19 is solidified and the viscosity is reduced. When the first connecting rod rotates, it will synchronously drive the first bevel gear 24 on its surface to rotate, and the first bevel gear 24 will mesh with the second bevel gear 25 on the surface of the second connecting rod 26 for transmission, so as to drive the second connecting rod 26 to rotate, and the second connecting rod 26 drives the brush roller 27 to clean the grinding sheet 19, and remove the solidified resin and carbon fiber debris from the working surface of the grinding sheet 19, so as to keep the grinding effect of the grinding sheet 19 in a better state at all times.

[0074] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0075] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A processing platform for aviation composite parts, comprising: A workbench (1) and a clamping assembly arranged on the workbench (1) for clamping a workpiece; A grinding assembly for grinding the clamped workpiece, the grinding assembly comprising a grinding sheet (19) and a motor (18) for driving the grinding sheet (19) to rotate; Characterized in that the processing platform further comprises: a cleaning component for cleaning the working surface of the grinding sheet (19), the cleaning component comprising: A cooling mechanism for cooling the adhesive attached to the working surface of the grinding sheet (19); A cleaning mechanism for removing solidified adhesive and carbon fiber debris on the working surface of a grinding sheet (19).

2. The processing platform for aviation composite parts according to claim 1, characterized in that: The clamping assembly comprises: a clamping component and an adjusting component for adjusting the distance between the clamping component and the grinding sheet (19), and the clamping component comprises: A clamp body (9) provided with a slide groove (13); A fixed clamping plate (11) provided on one side of the clamping body (9); A slider (12) is provided with a thread groove (15), wherein the slider (12) is slidably disposed in the slide groove (13); A threaded rod (14) having one end rotatably connected to the clamp body (9), and the other end of the threaded rod (14) passes through the threaded groove (15) and extends to the slide groove (13); A movable clamping plate (10) is connected to the sliding block (12), and a clamping space for clamping a workpiece is formed between the movable clamping plate (10) and the fixed clamping plate (11).

3. The processing platform for aviation composite parts according to claim 2, characterized in that: The adjusting component comprises: A support plate (7) provided at the upper end of the workbench (1); The base is connected to an electric push rod (8) of the support plate (7), and the output end of the electric push rod (8) is connected to a clamp body (9).

4. The processing platform for aviation composite parts according to claim 1, characterized in that: The grinding assembly comprises: A bracket (16) provided at the upper end of the workbench (1); a sliding body (17) slidably connected to the bracket (16), wherein the sliding body (17) is connected to a motor (18); A protective cover (20) is used for covering the grinding sheet (19), and the protective cover (20) is connected to the sliding body (17).

5. The processing platform for aviation composite parts according to claim 4, characterized in that: The cooling mechanism comprises: a nozzle (33) and a water supply structure for supplying water to the nozzle (33), and the nozzle (33) is aimed at the working surface of the grinding sheet (19).

6. The processing platform for aviation composite parts according to claim 5, characterized in that: The water supply structure comprises: A sieve plate (4) with a recessed groove (5) is provided, and a sieve hole (6) is provided on the surface of the sieve plate (4), and the sieve plate (4) is arranged on a water tank (2) provided on a workbench (1); A support block (3) provided on the inner wall of the water tank (2), wherein the support block (3) is used to support the sieve plate (4); A housing (31) is provided with a piston chamber, and the housing (31) is connected to a spray head (33); A water suction pipe (32) having one end connected to the shell (31), and the other end of the water suction pipe (32) connected to the water tank (2); A piston (36) is arranged in the piston cavity, and a first linkage structure is used to synchronously drive the piston (36) to reciprocate in the piston cavity when the grinding plate (19) is working.

7. The processing platform for aviation composite parts according to claim 6, characterized in that: The first linkage structure comprises: A rotating shaft (22) having one end rotatably connected to the sliding body (17); a belt (21) for connecting the rotating shaft (22) to an output shaft of the motor (18); A reduction box (23) whose input end is connected to the rotating shaft (22); A first connecting rod connected to the output end of the reduction box (23); a crank (34) connected to the first connecting rod; A rocker (35) is movably connected to the crank (34) at one end, and the other end of the rocker (35) is movably connected to the piston (36).

8. The processing platform for aviation composite parts according to claim 7, characterized in that: The cleaning mechanism comprises: a brush roller (27) and a second linkage structure for synchronously driving the brush roller (27) to rotate and clean the grinding sheet (19) when the grinding sheet (19) is working.

9. The processing platform for aviation composite parts according to claim 8, characterized in that: The second linkage structure comprises: A first bevel gear (24) connected to the first connecting rod; a second bevel gear (25) matched with the first bevel gear (24); A second connecting rod (26) has one end connected to the second bevel gear (25), and the other end of the second connecting rod (26) is connected to the brush roller (27).

10. The processing platform for aviation composite parts according to claim 9, characterized in that: The upper end of the brush roller (27) is provided with a sleeve, the sleeve is provided with a first pin hole (28), the surface of the second connecting rod (26) is provided with a second pin hole (29) matching with the first pin hole (28), and a positioning pin (30) is provided between the first pin hole (28) and the second pin hole (29).

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