A high-precision burr removing device for manufacturing automobile exterior parts

Abstract

The application discloses a burr removing device with high precision for manufacturing automobile exterior parts, and belongs to the technical field of automobile production and processing devices, which comprises a base, a fixing seat is fixedly connected to the top of the base, a horizontal fixing assembly and a longitudinal fixing assembly are arranged in the fixing seat, a top seat is arranged on the outer circumferential side of the fixing seat, and a protection assembly is arranged on one side in the top seat. In the application, the cylinder drives the connecting seat, linear module, fixing box, driving motor, main shaft, grinding wheel, flat plate and horizontal plate to move downwards, the second air bag is conveyed into the first air bag during the downward movement of the horizontal plate, the first air bag is expanded and drives the sliding plate to move downwards, the side of the top seat is shielded and closed by the first air bag and the sliding plate, so that the waste in the device does not scatter everywhere during use, and the influence of the device on the processing environment around the device is prevented, and the protection performance of the device during use is effectively improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of automobile production and processing devices, and particularly relates to a burr removing device with high precision for manufacturing automobile exterior parts. BACKGROUND

[0002] Automobile exterior parts are the part system with the most plastic materials in automobile parts, mainly referring to front and rear bumpers, wheel openings, air inlet grilles, radiator masks and rub strips, etc., which are connected to the vehicle body through bolts and buckles or double-sided adhesive tape, and mainly play the roles of decoration and protection and opening on the vehicle body, and in the production process of automobile exterior parts, they are usually produced in batches through injection molds, and some plastic burrs often occur during production of the injection mold, so the burrs need to be removed to ensure the use performance and aesthetics.

[0003] For example, a deburring device for automobile interior plastic parts in Chinese patent document (CN209394427U) includes a base and a support table, the base is provided with the support table on one side of the top end, and the other side of the top end of the base is vertically fixed with a mounting plate, a first lead screw is rotatably installed in the mounting plate, an opening is formed on the side wall of the mounting plate close to the support table, a first moving block is threadedly connected to the first lead screw, one end of the first moving block is inserted into the opening, a connecting rod is rotatably installed on the outer end of the first moving block, a through slot is formed in the middle of the connecting rod, and support plates are arranged on both sides of the connecting rod, a round rod is fixed between the two support plates and inserted into the through slot, a motor is fixed to the end of the connecting rod away from the first moving block, and a grinding wheel is installed on the output end of the motor. The device greatly improves the polishing efficiency of the plastic parts and greatly improves the flatness of the edge of the plastic parts during polishing, but the device is inconvenient to protect during use, which causes the waste generated during processing to scatter everywhere, thereby affecting the processing environment around the device. Therefore, certain improvements are needed. SUMMARY

[0004] The purpose of the present application is to solve the problem that the prior art is inconvenient to protect during use, which causes the waste generated during processing to scatter everywhere, thereby affecting the processing environment around the device, and a burr removing device with high precision for manufacturing automobile exterior parts is proposed.

[0005] In order to achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows:

[0006] The utility model provides a high accuracy's automobile outer decoration part manufacturing with burr removal device, including base, fixedly connected with fixed seat on the top of base, the inside of fixed seat is provided with transverse fixed component and longitudinal fixed component, the outer peripheral side of fixed seat is provided with top seat, one side of the inside of top seat is provided with protection component, the inside of top seat is provided with connecting seat, the below of connecting seat is provided with fixed box, the inside of fixed box is provided with heat dissipation component,

[0007] The protection component includes a mounting cavity located inside one side of the top seat, a first air bag fixedly connected to the top side inside the mounting cavity, a sliding plate fixedly connected to the bottom of the first air bag, a gas delivery tube communicating with one side of the first air bag, a second air bag communicating with the other end of the gas delivery tube, the second air bag fixedly connected to the inner wall of the top seat at the bottom, and a horizontal plate fixedly connected to the top of the second air bag, the horizontal plate fixedly connected to the outer wall of the connecting seat at one side.

[0008] As a further description of the above technical solution:

[0009] Both sides of the first air bag are provided with first springs, and the two sides of the first spring are respectively fixedly connected with the sliding plate and the inner wall of the top seat. The sliding plate and the horizontal plate are both slidingly connected inside the mounting cavity.

[0010] As a further description of the above technical solution:

[0011] The transverse fixed component and the longitudinal fixed component are the same structure, and the longitudinal fixed component is arranged above the transverse fixed component. The transverse fixed component includes two mounting frames, one side of the mounting frame is fixedly connected with the inner wall of the fixed seat, a rotating shaft is rotatably connected inside the mounting frame, two threaded rods are fixedly connected to both ends of the rotating shaft, and the screw directions of the two threaded rods are opposite.

[0012] As a further description of the above technical solution:

[0013] The threaded sleeve is threadedly connected inside the threaded rod, a circular through hole is formed in one side of the inside of the threaded sleeve, a circular rod is slidingly connected inside the circular through hole, and both ends of the circular rod are fixedly connected with the inner wall of the fixed seat. A limiting component is arranged at the end of the threaded rod away from the rotating shaft, and the limiting component is located inside the fixed seat.

[0014] As a further description of the above technical solution:

[0015] The connecting plate is fixedly connected to the top of the threaded sleeve, the connecting plate extends to the inside of the fixed seat at the top and is threadedly connected with a screw rod, the connecting plate is slidingly connected inside the fixed seat, one end of the screw rod is fixedly connected with a handle, the other end of the screw rod is fixedly connected with a fixed plate, and the fixed plate is arranged at the side opposite to the center of the fixed seat.

[0016] As a further description of the above technical solution:

[0017] The connecting rod is internally provided with a second through hole on both sides, the second through hole is in sliding connection with the limiting rod, one end of the limiting rod is fixedly connected with the fixed plate, and the connecting plate is fixedly connected with a protective layer on both sides.

[0018] As a further description of the above technical solution:

[0019] The rotating shaft is fixedly connected with a gear, the gear is arranged between the two mounting frames, a rack is in meshing connection with one side of the gear, a flat plate is fixedly connected with the other side of the rack, the flat plate is fixedly connected with the bottom of the connecting seat, a gas cylinder is fixedly connected with the center of the top of the connecting seat, the top of the gas cylinder is fixedly connected with the inner wall of the top seat, a first through hole is formed in the inner side of the fixed seat, and the first through hole is in sliding connection with the flat plate and the rack.

[0020] As a further description of the above technical solution:

[0021] The fixed box is provided with a linear module on the top, the linear module is fixedly connected with the bottom of the connecting seat, a driving motor is fixedly connected with the top side in the fixed box, a main shaft is fixedly connected with one end of the output shaft of the driving motor, the main shaft extends to the outside of the fixed box and is provided with a grinding wheel at the bottom end, and the main shaft is rotatably connected in the fixed box.

[0022] As a further description of the above technical solution:

[0023] The heat dissipation assembly comprises a third air bag, one side of the third air bag is fixedly connected with the inner wall of the fixed box, the other side of the third air bag is fixedly connected with a vertical plate, the vertical plate is provided with a cam on the other side, and the cam is fixedly connected with the outer circumferential side of the main shaft.

[0024] As a further description of the above technical solution:

[0025] The third air bag is provided with a second spring on both sides, the second springs are fixedly connected with the vertical plate and the inner wall of the fixed box on both sides respectively, a one-way air inlet pipe is in communication with one side of the third air bag, a one-way air outlet pipe is in communication with the other side of the third air bag, the other end of the one-way air outlet pipe extends to the outside of the fixed box and is communicated with an air outlet frame, the top of the air outlet frame is fixedly connected with the bottom of the fixed box, a first through hole is communicated with the bottom of the air outlet frame, and the air outlet frame is provided with an annular cross section.

[0026] As described above, due to the adoption of the above technical solution, the beneficial effects of the present application are:

[0027] 1. In the present invention, the protective component is provided to enable the cylinder to drive the connecting seat, linear module, fixed box, drive motor, main shaft, grinding wheel, flat plate and cross plate to move downward. During the downward movement of the cross plate, the second airbag will be transported to the inside of the first airbag, causing the first airbag to expand and drive the sliding plate to move downward. The first airbag and the sliding plate are used to block and close one side of the top seat to prevent waste chips inside the device from flying around during use, thereby preventing the processing environment around the device from being affected, and effectively improving the protection of the device during use.

[0028] 2. In the present invention, by providing a transverse fixing assembly and a longitudinal fixing assembly, the flat plate drives the rack to move downward, so that the gear drives the rotating shaft and the lead screw to rotate, so that the threaded sleeve drives the connecting plate and the fixing plate to move in the direction of the external automobile exterior injection molded part. At the same time, the longitudinal fixing assembly will also move in the direction of the external automobile exterior injection molded part to limit and fix the external automobile exterior injection molded part in multiple directions, reducing the movement of the external automobile exterior injection molded part during the deburring process, and facilitating the positioning of the initial position of the deburring of the external automobile exterior injection molded part, thereby effectively improving the deburring processing accuracy and automated processing of the device. The manual operation of the turning handle drives the screw to rotate, and the use position of the fixing plate is adjusted, so that the device can limit and fix external automobile exterior injection molded parts of different sizes, further improving the flexibility and applicability of the device during use.

[0029] 3. In the present invention, the driving motor drives the main shaft and the grinding wheel to rotate through the heat dissipation component, and the external automobile exterior injection molding parts are deburred by the grinding wheel. The main shaft will use the cam to spray the internal gas of the third airbag through the one-way air outlet pipe, the air outlet frame and multiple air outlets to the surrounding area of ​​the grinding wheel, thereby improving the air flow around the grinding wheel to assist in heat dissipation of the grinding wheel and the surface of the external automobile exterior injection molding parts. At the same time, the waste chips around the grinding wheel and the deburred edges of the external automobile exterior injection molding parts are cleaned to prevent the waste chips from rubbing against the external automobile exterior injection molding parts under the action of the grinding wheel, thereby preventing the surface deburring accuracy of the external automobile exterior injection molding parts from being affected. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0031] Figure 2 For the present invention Figure 1 A local enlarged structural diagram of point A;

[0032] Figure 3 It is a schematic diagram of a partial three-dimensional structure of the protection component of the present invention;

[0033] Figure 4It is the main internal structure schematic view of the application;

[0034] Figure 5 It is the overall three-dimensional structure schematic view of the fixed seat in the application;

[0035] Figure 6 It is the B part of the application Figure 4 The local amplification structure schematic view;

[0036] Figure 7 It is the C part of the application Figure 4 The local amplification structure schematic view;

[0037] Figure 8 It is the D part of the application Figure 4 The local amplification structure schematic view.

[0038] Legend:

[0039] 1, base; 2, fixed seat; 3, transverse fixing assembly; 301, mounting frame; 302, rotating shaft; 303, screw rod; 304, threaded sleeve; 305, connecting plate; 306, screw rod; 307, handle; 308, fixed plate; 309, protective layer; 310, gear; 311, rack; 312, flat plate; 4, longitudinal fixing assembly; 5, protection assembly; 501, mounting cavity; 502, first spring; 503, sliding plate; 504, first air bag; 505, gas pipe; 506, second air bag; 507, cross plate; 6, connecting seat; 7, air cylinder; 8, fixed box; 9, heat dissipation assembly; 901, second spring; 902, vertical plate; 903, cam; 904, third air bag; 905, one-way air outlet pipe; 906, air outlet frame; 907, air outlet; 10, driving motor; 11, main shaft; 12, grinding wheel; 13, top seat; 14, first through hole. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0041] Please refer to Figures 1-8The application provides a technical scheme: a high-precision burr removing device for manufacturing automobile exterior parts, which comprises a base 1, a fixed seat 2 fixedly connected to the top of the base 1, a horizontal fixing assembly 3 and a vertical fixing assembly 4 arranged in the fixed seat 2, a top seat 13 arranged on the outer circumferential side of the fixed seat 2, a protection assembly 5 arranged on one side in the top seat 13, a connecting seat 6 arranged in the top seat 13, and a fixed box 8 arranged below the connecting seat 6, and a heat dissipation assembly 9 arranged in the fixed box 8.

[0042] The protection assembly 5 comprises a mounting cavity 501 arranged on one side in the top seat 13, a first air bag 504 fixedly connected to the top side in the mounting cavity 501, a sliding plate 503 fixedly connected to the bottom of the first air bag 504, a gas conveying pipe 505 communicated with one side of the first air bag 504, a second air bag 506 communicated with the other end of the gas conveying pipe 505, the bottom of the second air bag 506 fixedly connected to the inner wall of the top seat 13, a horizontal plate 507 fixedly connected to the top of the second air bag 506, the horizontal plate 507 fixedly connected to the outer wall of the connecting seat 6 on one side, a first spring 502 arranged on both sides of the first air bag 504, and the first spring 502 fixedly connected to the inner wall of the top seat 13 and the sliding plate 503 on both sides, respectively, and the sliding plate 503 and the horizontal plate 507 are both slidingly connected in the mounting cavity 501.

[0043] Specific embodiments: the automobile exterior injection molding part to be deburred is placed on the top of the fixed seat 2, then the cylinder 7 is started, the connecting seat 6, the linear module, the fixed box 8, the driving motor 10, the main shaft 11, the grinding wheel 12, the flat plate 312 and the horizontal plate 507 are driven by the cylinder 7 to move downward, the horizontal plate 507 is extruded to the second air bag 506 during the downward movement of the horizontal plate 507, the gas in the second air bag 506 is conveyed to the first air bag 504 through the gas conveying pipe 505, the first air bag 504 is expanded and drives the sliding plate 503 to move downward, the first air bag 504 and the sliding plate 503 shield and close one side of the top seat 13, so as to prevent the waste in the device from flying everywhere during use, and to prevent the processing environment around the device from being affected, thereby effectively improving the protection of the device during use.

[0044] The transverse fixing assembly 3 and the longitudinal fixing assembly 4 are the same structure, and the longitudinal fixing assembly 4 is arranged above the transverse fixing assembly 3. The transverse fixing assembly 3 comprises two mounting racks 301, one side of the mounting rack 301 is fixedly connected with the inner wall of the fixing seat 2, a rotating shaft 302 is rotatably connected in the mounting rack 301, screw rods 303 are fixedly connected at both ends of the rotating shaft 302, the screw threads of the two screw rods 303 are opposite, screw sleeves 304 are threadedly connected in the screw rods 303, a circular through hole is formed in one side of the screw sleeve 304, a circular rod is slidably connected in the circular through hole, and both ends of the circular rod are fixedly connected with the inner wall of the fixing seat 2. A limiting assembly is arranged at the end of the screw rod 303 away from the rotating shaft 302, and the limiting assembly is arranged in the fixing seat 2. A connecting plate 305 is fixedly connected to the top of the screw sleeve 304, the connecting plate 305 extends to the inside of the fixing seat 2 and is threadedly connected with a screw rod 306, the connecting plate 305 is slidably connected in the fixing seat 2, a handle 307 is fixedly connected to one end of the screw rod 306, a fixed plate 308 is fixedly connected to the other end of the screw rod 306, the fixed plate 308 is arranged at the side away from the center of the fixing seat 2, limiting rods are arranged on both sides of the screw rod 306, second through holes are formed in both sides of the connecting plate 305, the second through holes are slidably connected with the limiting rods, one end of the limiting rod is fixedly connected with the fixed plate 308, protective layers 309 are fixedly connected to both sides of the connecting plate 305, the other side of the protective layer 309 is fixedly connected with the inner wall of the fixing seat 2, a gear 310 is fixedly connected to the rotating shaft 302, and the gear 310 is arranged between the two mounting racks 301, a rack 311 is meshingly connected to one side of the gear 310, a flat plate 312 is fixedly connected to the other side in the rack 311, the top of the flat plate 312 is fixedly connected with the bottom of the connecting seat 6, a cylinder 7 is fixedly connected to the top center of the connecting seat 6, the top of the cylinder 7 is fixedly connected with the inner wall of the top seat 13, a first through hole 14 is formed in one side of the fixing seat 2, and the first through hole 14 is slidably connected with the flat plate 312 and the rack 311.

[0045] CUTTING: The flat plate 312 will drive the rack 311 to move downward, and through the linkage effect between the rack 311 and the gear 310, the power is transmitted to the gear 310, so that the gear 310 drives the rotating shaft 302 and the lead screw 303 to rotate, and then through the linkage effect between the lead screw 303 and the threaded sleeve 304, the power is transmitted to the threaded sleeve 304, so that the threaded sleeve 304 drives the connecting plate 305 and the fixed plate 308 to move outward to the direction of the external automobile exterior injection molding part, and at the same time, the longitudinal fixed assembly 4 also moves to the direction of the external automobile exterior injection molding part, so as to multi-directional limit and fix the external automobile exterior injection molding part, reduce the movement of the external automobile exterior injection molding part during the deburring process, and facilitate the positioning of the initial position of the deburring of the external automobile exterior injection molding part, thereby effectively improving the deburring processing precision and automatic processing of the device. The manual operation of the rotating handle 307 drives the screw 306 to rotate, and the use position of the fixed plate 308 is adjusted, so that the device can limit and fix the external automobile exterior injection molding parts of different sizes, further improving the flexibility and applicability of the device in use. According to actual needs, the limiting assembly limits the use position of the lead screw 303, so as to improve the stability of the device in use.

[0046] The top of the fixed box 8 is provided with a linear module, and the top of the linear module is fixedly connected with the bottom of the connecting seat 6. The inside top side of the fixed box 8 is fixedly connected with a driving motor 10. One end of the output shaft of the driving motor 10 is fixedly connected with a main shaft 11. The bottom end of the main shaft 11 extends to the outside of the fixed box 8 and is provided with a grinding wheel 12. The main shaft 11 is rotatably connected in the fixed box 8. The heat dissipation assembly 9 comprises a third air bag 904. One side of the third air bag 904 is fixedly connected with the inner wall of the fixed box 8, and the other side of the third air bag 904 is fixedly connected with a vertical plate 902. The other side of the vertical plate 902 is provided with a cam 903, and the cam 903 is fixedly connected with the outer circumferential side of the main shaft 11. The third air bag 904 is provided with a second spring 901 on both sides. The second springs 901 are fixedly connected with the vertical plate 902 and the inner wall of the fixed box 8 on both sides, respectively. One side of the third air bag 904 is communicated with a one-way air inlet pipe. The other side of the third air bag 904 is communicated with a one-way air outlet pipe 905. The other end of the one-way air outlet pipe 905 extends to the outside of the fixed box 8 and is communicated with an air outlet frame 906. The top of the air outlet frame 906 is fixedly connected with the bottom of the fixed box 8. The bottom of the air outlet frame 906 is communicated with a first through hole 14. The air outlet frame 906 is provided with an annular cross section.

[0047] Specifically, the driving motor 10 drives the main shaft 11 and the grinding wheel 12 to rotate, and the grinding wheel 12 performs the deburring treatment on the external automobile exterior injection molding part. The main shaft 11 intermittently extrudes the vertical plate 902, the second spring 901 and the third air bag 904 through the cam 903, and the gas in the third air bag 904 is transported to the air outlet frame 906 inside through the one-way air outlet pipe 905, and then sprayed around the grinding wheel 12 through the multiple air outlets 907, which improves the air flow around the grinding wheel 12, and assists in heat dissipation of the surface of the grinding wheel 12 and the external automobile exterior injection molding part, and cleans the debris around the grinding wheel 12 and the external automobile exterior injection molding part to prevent the debris from being rubbed with the external automobile exterior injection molding part under the action of the grinding wheel 12, thereby preventing the surface deburring precision of the external automobile exterior injection molding part.

[0048] Working principle: when in use, the external automobile exterior injection molding part to be deburred is placed on the top of the fixing seat 2, and then the air cylinder 7 is started to drive the connecting seat 6, the linear module, the fixing box 8, the driving motor 10, the main shaft 11, the grinding wheel 12, the flat plate 312 and the horizontal plate 507 to move downward. The horizontal plate 507 will extrude the second air bag 506 during the downward movement, and the gas in the second air bag 506 will be transported to the inside of the first air bag 504 through the gas conveying pipe 505, so that the first air bag 504 expands and drives the sliding plate 503 to move downward. The first air bag 504 and the sliding plate 503 shield and close one side of the top seat 13. At this time, the flat plate 312 will drive the rack 311 to move downward, and the power will be transmitted to the gear 310 through the linkage effect between the rack 311 and the gear 310, so that the gear 310 drives the rotating shaft 302 and the lead screw 303 to rotate. Then, the power is transmitted to the threaded sleeve 304 through the linkage effect between the lead screw 303 and the threaded sleeve 304, so that the threaded sleeve 304 drives the connecting plate 305 and the fixing plate 308 to move towards the external automobile exterior injection molding part. At the same time, the longitudinal fixing assembly 4 also moves towards the external automobile exterior injection molding part to limit and fix the external automobile exterior injection molding part from multiple directions. The rotating handle 307 is manually operated to drive the screw 306 to rotate, and the use position of the fixing plate 308 is adjusted to enable the device to limit and fix external automobile exterior injection molding parts of different sizes.

[0049] The driving motor 10 drives the main shaft 11 and the grinding wheel 12 to rotate, and the external automobile exterior injection molding part is deburred by the grinding wheel 12, and the main shaft 11 intermittently extrudes the vertical plate 902, the second spring 901 and the third air bag 904 through the cam 903, the gas in the third air bag 904 is transported to the air outlet frame 906 through the one-way air outlet pipe 905, and then sprayed to the surrounding of the grinding wheel 12 through a plurality of air outlets 907, so that the air flow around the grinding wheel 12 is improved, and the surface of the grinding wheel 12 and the external automobile exterior injection molding part is assisted to heat dissipation and cleaning, and convenient to use.

[0050] The above description is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A high-precision burr removal device for manufacturing automobile exterior parts, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a fixing seat (2), a transverse fixing assembly (3) and a longitudinal fixing assembly (4) are provided inside the fixing seat (2), a top seat (13) is provided on the outer peripheral side of the fixing seat (2), a protective assembly (5) is provided on one side inside the top seat (13), a connecting seat (6) is provided inside the top seat (13), a fixing box (8) is provided below the connecting seat (6), and a heat dissipation assembly (9) is provided inside the fixing box (8); The protective component (5) includes a mounting cavity (501), the mounting cavity (501) is located on one side of the interior of the top seat (13), and a first airbag (504) is fixedly connected to the top side of the mounting cavity (501), a sliding plate (503) is fixedly connected to the bottom of the first airbag (504), one side of the first airbag (504) is connected to an air supply pipe (505), and the other end of the air supply pipe (505) is connected to a second airbag (506), the bottom of the second airbag (506) is fixedly connected to the inner wall of the top seat (13), the top of the second airbag (506) is fixedly connected to a transverse plate (507), and one side of the transverse plate (507) is fixedly connected to the outer wall of the connecting seat (6); The transverse fixing assembly (3) and the longitudinal fixing assembly (4) have the same structure, and the longitudinal fixing assembly (4) is arranged above the transverse fixing assembly (3). The transverse fixing assembly (3) includes two mounting frames (301), one side of the mounting frame (301) is fixedly connected to the inner wall of the fixing seat (2), and the mounting frame (301) is internally rotatably connected to a rotating shaft (302). Both ends of the rotating shaft (302) are fixedly connected to screws (303), and the thread directions of the two screws (303) are opposite. A gear (310) is fixedly connected to the rotating shaft (302), and the gear (310) is arranged between the two mounting frames (301). One side of the gear (310) is meshedly connected to a rack (311), and the other side of the rack (311) is fixedly connected to a plate (312). The top of the plate (312) is fixedly connected to the bottom of the connecting seat (6). The center of the top of the connecting seat (6) is fixedly connected to a cylinder (7). The top of the cylinder (7) is fixedly connected to the inner wall of the top seat (13). A first through hole (14) is opened on one side of the interior of the fixed seat (2). The first through hole (14) is slidably connected to the plate (312) and the rack (311). A linear module is provided on the top of the fixed box (8), and the top of the linear module is fixedly connected to the bottom of the connecting seat (6). The top side of the interior of the fixed box (8) is fixedly connected to a drive motor (10), and one end of the output shaft of the drive motor (10) is fixedly connected A main shaft (11) is provided, the bottom end of the main shaft (11) extends to the outside of the fixed box (8) and is provided with a grinding wheel (12), the main shaft (11) is rotatably connected to the inside of the fixed box (8), the external automobile exterior injection molding to be deburred is placed on the top of the fixed seat (2), and then the cylinder (7) is started, and the connecting seat (6), the linear module, the fixed box (8), the drive motor (10), the main shaft (11), the grinding wheel (12), the flat plate (312) and the cross plate (507) are driven downward by the cylinder (7), and the cross plate (507) squeezes the second airbag (506) during the downward movement, and the internal gas of the second airbag (506) is transported to the inside of the first airbag (504) through the air pipe (505), so that the first airbag (504) is expanded and drives the sliding plate (503) to move downward, and the first airbag (504) and the sliding plate (503) are used to block and seal one side of the top seat (13).

2. The high-precision burr removal device for manufacturing automotive exterior parts according to claim 1, characterized in that: A first spring (502) is provided on both sides of the first airbag (504), and both sides of the first spring (502) are fixedly connected to the sliding plate (503) and the inner wall of the top seat (13), respectively. The sliding plate (503) and the transverse plate (507) are both slidably connected inside the installation cavity (501).

3. The high-precision burr removal device for manufacturing automotive exterior parts according to claim 2, characterized in that: The screw (303) is internally threadedly connected to a threaded sleeve (304), a circular through hole is provided on one side of the threaded sleeve (304), a round rod is slidably connected inside the circular through hole, and both ends of the round rod are respectively fixedly connected to the inner wall of the fixing seat (2), and a limit assembly is provided at one end of the screw (303) away from the rotating shaft (302), and the limit assembly is located inside the fixing seat (2).

4. The high-precision burr removal device for manufacturing automotive exterior parts according to claim 3, characterized in that: The top of the threaded sleeve (304) is fixedly connected to a connecting plate (305), the top of the connecting plate (305) extends into the interior of the fixing seat (2) and is threadedly connected to a screw rod (306), the connecting plate (305) is slidably connected to the interior of the fixing seat (2), one end of the screw rod (306) is fixedly connected to a rotating handle (307), and the other end of the screw rod (306) is fixedly connected to a fixing plate (308), and the fixing plate (308) is arranged on one side relative to the center of the fixing seat (2).

5. The high-precision burr removal device for manufacturing automobile exterior parts according to claim 4, characterized in that: Limiting rods are provided on both sides of the screw rod (306), second through holes are provided on both sides of the interior of the connecting plate (305), the second through holes are slidably connected to the limiting rods, and one end of the limiting rods is fixedly connected to the fixing plate (308), and a protective layer (309) is fixedly connected to both sides of the connecting plate (305), and the other side of the protective layer (309) is fixedly connected to the inner wall of the fixing seat (2).

6. The high-precision burr removal device for manufacturing automobile exterior parts according to claim 5, characterized in that: The heat dissipation assembly (9) includes a third airbag (904), one side of the third airbag (904) is fixedly connected to the inner wall of the fixed box (8), and the other side of the third airbag (904) is fixedly connected to a vertical plate (902), and the other side of the vertical plate (902) is provided with a cam (903), and the cam (903) is fixedly connected to the outer peripheral side of the main shaft (11).

7. The high-precision burr removal device for manufacturing automobile exterior parts according to claim 6, characterized in that: A second spring (901) is provided on both sides of the third airbag (904), and both sides of the second spring (901) are fixedly connected to the vertical plate (902) and the inner wall of the fixed box (8), respectively. One side of the third airbag (904) is connected to a one-way air inlet pipe, and the other side of the third airbag (904) is connected to a one-way air outlet pipe (905). The other end of the one-way air outlet pipe (905) extends to the outside of the fixed box (8) and is connected to an air outlet frame (906). The top of the air outlet frame (906) is fixedly connected to the bottom of the fixed box (8), and the bottom of the air outlet frame (906) is connected to a first through hole (14). The cross section of the air outlet frame (906) is provided with a ring shape.

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