A processing device for automobile parts

Abstract

The present invention relates to the technical field of automobile parts production and processing, and specifically discloses a processing device for automobile parts, including: a grinding table, on which a grinding groove adapted to the automobile parts is provided; a moving mechanism, including a fixed frame, a horizontal driving component provided on the fixed frame, and a moving box driven by the horizontal driving component and located above the grinding groove; a pressing mechanism, including elastic telescopic rods symmetrically arranged on both sides of the moving box and capable of pressing the automobile parts against the grinding table; a grinding mechanism, including a swing rod hinged to the middle of the moving box, a sliding rod slidably connected to both ends of the moving box, and a driving mechanism for driving the swing rod to rotate reciprocally and the sliding rod to slide reciprocally. A through groove for the swing rod to rotate and the sliding rod to slide is provided at the bottom of the moving box. An arc-shaped grinding block is provided at the bottom of the swing rod, and a flat grinding block is provided at the bottom of the sliding rod. The present invention can simultaneously grind the arc-shaped part and the flat part of the arc-shaped automobile parts, improving the production efficiency and reducing the equipment cost and maintenance cost.

Description

Technical Field

[0001] This application relates to the technical field of automotive parts production and processing, and specifically discloses a processing device for automotive parts. Background Art

[0002] Most automotive parts are made of alloy materials, usually formed by stamping raw material plates through corresponding production molds. After the stamping process on the raw material plates, it is also necessary to polish the formed parts so that the formed parts have a relatively regular surface, that is, to achieve the effect of polishing the formed parts.

[0003] Under normal circumstances, the surface of automotive parts after stamping is not flat. During the polishing process, various polishing devices at different angles are required to polish its surface. For example, for a stamped arc-shaped part, since installation holes and the like need to be opened at both ends of the part for installation and fixation, the two ends of the arc-shaped part usually have straight lugs. When polishing such parts, it is necessary to polish the arc part and the straight part on two polishing devices respectively. Not only is the polishing efficiency low, but also the transfer of parts between the two polishing devices is involved during this process, resulting in high equipment costs and maintenance costs. In view of this, the present invention provides a processing device for automotive parts to solve the above problems. Summary of the Invention

[0004] The purpose of the present invention is to solve the problem that during the processing of traditional arc-shaped automotive parts, multiple polishing devices are required to polish the arc part and the straight part of the arc-shaped automotive parts respectively, resulting in low production efficiency, high equipment costs and maintenance costs.

[0005] To achieve the above purpose, the basic solution of the present invention provides a processing device for automotive parts, including:

[0006] A polishing table, on which a polishing groove adapted to the automotive parts is provided;

[0007] A moving mechanism, including a fixed frame, a horizontal driving component provided on the fixed frame, and a moving box driven by the horizontal driving component and located above the polishing groove;

[0008] A pressing mechanism, including elastic telescopic rods symmetrically provided on both sides of the moving box and capable of pressing the automotive parts against the polishing table;

[0009] A polishing mechanism, including a swing rod hinged to the middle of the moving box, a sliding rod slidably connected to both ends of the moving box, and a driving mechanism for driving the swing rod to rotate reciprocally and the sliding rod to slide reciprocally. A through groove for the swing rod to rotate and the sliding rod to slide is provided at the bottom of the moving box. An arc-shaped polishing block is provided at the bottom of the swing rod, and a straight polishing block is provided at the bottom of the sliding rod.

[0010] The principle and effect of this basic solution are as follows:

[0011] Compared with the prior art, in the present invention, the elastic telescopic rod presses the arc-shaped automotive part tightly in the grinding groove, and the horizontal driving assembly drives the moving box to move intermittently. The driving mechanism drives the swing rod to rotate reciprocally and drives the sliding rods on both sides to slide reciprocally, so that the arc-shaped grinding block grinds the arc part of the arc-shaped automotive part, and at the same time, the flat grinding block grinds the flat part of the arc-shaped automotive part. Therefore, during the processing of the arc-shaped automotive part, the arc part and the flat part of the arc-shaped automotive part can be ground simultaneously, improving the processing efficiency of the arc-shaped automotive part and reducing the processing equipment cost and maintenance cost of the arc-shaped automotive part.

[0012] Furthermore, the driving mechanism includes:

[0013] A power component, provided on the moving box;

[0014] A linear reciprocating driving component, including a moving frame provided in the moving box and slidably connected to the moving box, and a rotating wheel driven to rotate by the power component. A sliding groove perpendicular to the sliding direction of the moving frame is provided on the moving frame. An connecting column that slides in the sliding groove is eccentrically connected to the rotating wheel. The sliding rods are respectively connected to both ends of the sliding frame and move synchronously;

[0015] A swing reciprocating driving component, including a rack provided on the sliding frame, an intermediate gear rotatably connected in the moving box and meshing with the rack, and a sector gear rotatably connected in the moving box and meshing with the intermediate gear. The swing rod is connected to the sector gear and rotates synchronously.

[0016] Through the above settings, the power component drives the rotating wheel to rotate, so that the connecting column slides in the sliding groove, thereby driving the moving frame to slide reciprocally, and then driving the sliding rods to slide reciprocally, so that the flat grinding block grinds the arc part of the arc-shaped automotive part. At the same time, due to the reciprocating sliding of the moving frame, the rack also reciprocates, driving the intermediate gear and the sector gear to rotate reciprocally, causing the swing rod to swing reciprocally, and then causing the arc-shaped grinding block to grind the arc part of the arc-shaped automotive part. Moreover, during this process, due to the setting of the intermediate gear, the rotation direction of the sector gear is the same as the moving direction of the rack, thus avoiding the situation of mutual collision between the arc-shaped grinding block and the flat grinding block during the grinding of the arc-shaped automotive part.

[0017] Further, there are several intermediate gears that mesh with each other. The total number of intermediate gears is odd. The topmost intermediate gear meshes with the rack, and the bottommost intermediate gear meshes with the sector gear. The multiple intermediate gears can play a role in power transmission. The odd total number of intermediate gears can make the rotation direction of the sector gear consistent with the moving direction of the rack, so as to avoid the situation of mutual collision between the arc-shaped grinding block and the flat grinding block during the grinding of arc-shaped automotive parts.

[0018] Further, a fixed shaft is provided in the moving box. A sleeve is sleeved on the fixed shaft. A connecting frame is provided between one side of the sleeve and the sector gear, and the other side of the sleeve is connected to the swing rod. By providing the fixed shaft and the sleeve, the reciprocating swing of the sector gear and the swing rod can be limited and supported, improving the overall structural strength of the sector gear and the swing rod.

[0019] Further, limiting sleeves that can respectively accommodate the sliding connections of the two ends of the moving frame are symmetrically provided on both sides of the moving box. The limiting sleeves can play a role in limiting and guiding the moving frame.

[0020] Further, reinforcing frames are provided between both sides of the limiting sleeve and the fixed shaft. The reinforcing frames can further limit and support the reciprocating swing of the sector gear and the swing rod, further improving the overall structural strength of the sector gear and the swing rod.

[0021] Further, connecting lugs are symmetrically provided on both sides of the limiting sleeve. There are at least two elastic telescopic rods on the same side and are respectively installed on each connecting lug. Thus, the tightening effect of the elastic telescopic rods on the arc-shaped automotive parts is improved, avoiding the position deviation of the arc-shaped automotive parts during the grinding process and affecting the grinding effect.

[0022] Further, the elastic telescopic rod includes a fixed sleeve provided on the connecting lug, a resisting rod slidably connected to the inner wall of the fixed sleeve, and a spring provided between the resisting rod and the fixed sleeve. Utilizing the elastic potential energy of the spring, the resisting rod is kept in tight contact with the arc-shaped automotive part, thus conveniently pressing the arc-shaped automotive part tightly in the grinding groove.

[0023] Further, the width of the grinding groove is wider than the width of the automotive part, and the width difference between the grinding groove and the automotive part is greater than the distance between the two elastic telescopic rods on the same side. Through this setting method, when the arc-shaped automotive part is placed in the grinding groove, a gap is formed between the arc-shaped automotive part and the inner wall of the grinding groove. This gap can accommodate the elastic telescopic rods, facilitating the normal insertion and removal of the arc-shaped automotive part, and avoiding the tightening effect of the elastic telescopic rods from affecting the normal insertion and removal of the arc-shaped automotive part.

[0024] Based on the same inventive concept, the present invention provides a processing method for automotive parts, including using the above-mentioned processing device to grind arc-shaped automotive parts. The steps are as follows:

[0025] In step S001, the arc-shaped automotive part is placed into the grinding groove of the grinding table under the grasping of a worker or a manipulator.

[0026] In step S002, the elastic telescopic rod presses the arc-shaped automotive part tightly in the grinding groove. Meanwhile, the horizontal driving assembly drives the moving box to move intermittently, and the driving mechanism drives the swing rod to rotate reciprocally and drives the sliding rods on both sides to slide reciprocally, so that the arc-shaped grinding block grinds the arc part of the arc-shaped automotive part, and at the same time, the flat grinding block grinds the flat part of the arc-shaped automotive part.

[0027] In step S003, after the grinding is completed, a worker or a manipulator removes the ground arc-shaped automotive part.

[0028] Compared with the prior art, in the process of processing the arc-shaped automotive part, this method can grind the arc part and the flat part of the arc-shaped automotive part simultaneously, improving the processing efficiency of the arc-shaped automotive part and reducing the processing equipment cost and maintenance cost of the arc-shaped automotive part. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0030] Figure 1 FIG. shows a schematic diagram of a processing device for automotive parts proposed in an embodiment of the present application;

[0031] Figure 2 FIG. shows a schematic diagram of the interior of the moving box in a processing device for automotive parts proposed in an embodiment of the present application;

[0032] Figure 3 FIG. shows a front view of the interior of the moving box in a processing device for automotive parts proposed in an embodiment of the present application;

[0033] Figure 4 FIG. shows a schematic diagram of the grinding mechanism in a processing device for automotive parts proposed in an embodiment of the present application;

[0034] Figure 5 FIG. shows a cross-sectional view of the elastic telescopic rod in a processing device for automotive parts proposed in an embodiment of the present application. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0035] To further elaborate on the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the following, in conjunction with the accompanying drawings and preferred embodiments, details the specific implementation manners, structures, features and their effects of the present invention as follows.

[0036] The reference numerals in the accompanying drawings of the specification include: grinding table 1, arc-shaped automotive parts 2, fixing frame 3, stepping motor 4, lead screw 5, guide rod 6, threaded sleeve 7, moving box 8, swing rod 9, arc-shaped grinding block 10, sliding rod 11, flat grinding block 12, elastic telescopic rod 13, fixing sleeve 1301, abutting rod 1302, spring 1303, servo motor 14, drain pipe 15, runner 16, connecting column 17, moving frame 18, chute 19, limiting sleeve 20, rack 21, intermediate gear 22, sector gear 23, strengthening frame 24, fixed shaft 25.

[0037] A processing device for automotive parts, as shown in the embodiments Figure 1 is as follows: It includes a grinding table 1, a moving mechanism, a grinding mechanism that moves synchronously with the moving mechanism, a pressing mechanism, etc., specifically as follows:

[0038] Grinding table 1: Support feet are provided at the bottom of the grinding table 1, and it is installed on the working station for grinding automotive parts by means of bolts or rivets. A grinding groove adapted to the automotive parts is provided on the grinding table 1. The middle part of the grinding groove is arc-shaped, and the two ends of the grinding groove are flat. During the grinding process of the arc-shaped automotive parts 2, the coolant enters from both sides of the grinding table 1 through a hose and a liquid pump, etc., and is discharged from the drain pipe 15 at the bottom of the middle arc surface of the grinding groove.

[0039] Moving mechanism: The moving mechanism includes fixing frames 3 respectively arranged on both sides of the grinding table 1, a horizontal driving component arranged on the fixing frames 3, and a moving box 8 driven by the horizontal driving component and located above the grinding groove. Among them, the horizontal driving component includes a lead screw 5 and a guide rod 6 that are parallel to each other and installed on the fixing frames 3 in the front-rear direction. A stepping motor 4 is arranged on the ground, and the lead screw 5 is driven to rotate by means of synchronous belt transmission. Threaded sleeves 7 threadedly connected to the lead screw 5 and sliding sleeves slidably connected to the guide rod 6 are respectively arranged on both sides of the moving box 8.

[0040] Grinding mechanism: The grinding mechanism includes a swing rod 9 hinged to the middle part of the moving box 8, a sliding rod 11 slidably connected to both ends of the moving box 8, and a driving mechanism for driving the swing rod 9 to rotate reciprocally and the sliding rod 11 to slide reciprocally. A through groove for accommodating the rotation of the swing rod 9 and the sliding of the sliding rod 11 is provided at the bottom of the moving box 8. An arc-shaped grinding block 10 is provided at the bottom of the swing rod 9, and a flat grinding block 12 is provided at the bottom of the sliding rod 11, as shown in Figure 2 、 Figure 3 and Figure 4As shown in the figure, the driving mechanism includes a power component, a linear reciprocating driving component, and a swing reciprocating driving component. Specifically, the power component uses a servo motor 14 and is fixedly connected to the top of the moving box 8 through a mounting flange; the linear reciprocating driving component includes a moving frame 18 provided in the moving box 8 and slidably connected to the moving box 8 horizontally left and right, and a runner 16 driven to rotate by the power component. A chute 19 in the horizontal front and rear directions is provided on the moving frame 18. An connecting column 17 that slides in the chute 19 is eccentrically connected to the runner 16. The sliding rod 11 is respectively connected to both ends of the sliding frame and moves synchronously. Limiting sleeves 20 that can respectively accommodate the sliding connection of both ends of the moving frame 18 are symmetrically provided on both sides of the moving box 8; the swing reciprocating driving component includes a rack 21 provided on the sliding frame, an intermediate gear 22 rotatably connected in the moving box 8 and meshing with the rack 21, and a sector gear 23 rotatably connected in the moving box 8 and meshing with the intermediate gear 22. The swing rod 9 is connected to the sector gear 23 and rotates synchronously. Correspondingly, a through groove through which the rack 21 can pass is provided on the limiting sleeve 20. The intermediate gear 22 is installed in the moving box 8 by arranging an intermediate gear 22 shaft. A fixed shaft 25 is provided in the moving box 8. A sleeve is sleeved on the fixed shaft 25. A connecting frame is provided between the top side of the sleeve and the sector gear 23. The bottom side of the sleeve is connected to the swing rod 9 to realize the limiting and supporting of the sector gear 23 and the swing rod 9, and improve the overall structural strength of the sector gear 23 and the swing rod 9. The center lines of the rotation of the swing rod 9 and the sector gear 23 coincide with the center of the arc of the arc-shaped automotive part 2. Reinforcing frames 24 are provided between both sides of the limiting sleeve 20 and the fixed shaft 25 to further improve the overall structural strength of the sector gear 23 and the swing rod 9. Of course, in another embodiment, the number of intermediate gears 22 can be adjusted according to the actual needs of the installation position, but it is necessary to ensure that each intermediate gear 22 meshes with each other and the overall number of intermediate gears 22 is odd, so that the rotation direction of the sector gear 23 is consistent with the moving direction of the rack 21, to avoid the situation that the arc-shaped grinding block 10 and the flat grinding block 12 collide with each other during the grinding of the arc-shaped automotive part 2.

[0041] Pressing mechanism: The pressing mechanism includes elastic telescopic rods 13 symmetrically provided on both sides of the moving box 8 and capable of pressing the automotive part against the grinding table 1, as Figure 2 and Figure 3 shown, connecting lugs are also symmetrically provided on both sides of the limiting sleeve 20. At least two elastic telescopic rods 13 on the same side are respectively installed on each connecting lug, as Figure 5As shown, the elastic telescopic rod 13 includes a fixed sleeve 1301 provided on the connecting lug, a resisting rod 1302 slidably connected to the inner wall of the fixed sleeve 1301, and a spring 1303 provided between the resisting rod 1302 and the fixed sleeve 1301. The bottom peripheral end of the resisting rod 1302 is configured with a smooth rounded surface. In this embodiment, the width of the grinding groove in the front-back direction is wider than the width of the automotive part in the front-back direction, and the width difference between the grinding groove and the automotive part in the front-back direction is greater than the distance between two elastic telescopic rods 13 on the same side. So that when the arc-shaped automotive part 2 is placed into the grinding groove, a gap is formed between it and the inner wall of the grinding groove, and this gap can accommodate the elastic telescopic rod 13, facilitating the normal insertion and removal of the arc-shaped automotive part 2, and avoiding the tightening effect of the elastic telescopic rod 13 from affecting the normal insertion and removal of the arc-shaped automotive part 2.

[0042] In this embodiment, both the servo motor 14 and the stepping motor 4 are controlled by a single-chip microcontroller for starting, stopping, forward rotation, and reverse rotation.

[0043] During the grinding process of this embodiment, as Figure 4 shown, due to the setting of the intermediate gear 22, the rotation direction of the sector gear 23 is kept consistent with the moving direction of the rack 21, resulting in the same moving direction of the arc-shaped grinding block 10 and the straight grinding block 12. For example, both the arc-shaped grinding block 10 and the straight grinding block 12 are located in the middle position. When the arc-shaped grinding block 10 moves to the right, the two straight grinding blocks 12 also move to the right, which can prevent the arc-shaped grinding block 10 from colliding with the right straight grinding block 12, and vice versa, thus avoiding the situation of mutual collision between the arc-shaped grinding block 10 and the straight grinding block 12 during the grinding of the arc-shaped automotive part 2.

[0044] During the implementation of this embodiment, after the arc-shaped automotive part 2 is stamped, the staff manually or with a manipulator grabs and places the arc-shaped automotive part 2 into the grinding groove of the grinding table 1. At this time, the moving frame 18 should be located at the rearmost end of the grinding groove, and the bottoms of the abutting rods 1302 are all located in the gap formed between the arc-shaped automotive part 2 and the rear of the grinding groove. During this process, the abutting rods 1302 do not contact the arc-shaped automotive part 2. Then, the liquid pump is turned on to introduce coolant into the grinding groove, and the single-chip microcomputer controller controls the stepper motor 4 to start intermittently, causing the lead screw to rotate intermittently, thereby driving the moving box 8 to move intermittently, so that the abutting rods 1302 gradually contact the arc-shaped automotive part 2 and press the arc-shaped automotive part 2 tightly in the grinding groove. At the same time, the servo motor 14 is started to drive the runner 16 to rotate, so that the connecting column 17 slides in the chute 19, thereby driving the moving frame 18 to slide reciprocally, and further driving the sliding rod 11 to slide reciprocally, so that the flat grinding block 12 grinds the arc portion of the arc-shaped automotive part 2. At the same time, due to the reciprocating sliding of the moving frame 18, the rack 21 also reciprocates, driving the intermediate gear 22 and the sector gear 23 to rotate reciprocally, causing the swing rod 9 to swing reciprocally, and further causing the arc-shaped grinding block 10 to grind the arc portion of the arc-shaped automotive part 2. The moving box 8 moves from back to front under the drive of the stepper motor 4 to perform a single grinding on the arc-shaped automotive part 2. After moving to the frontmost end, the single-chip microcomputer controller controls the stepper motor 4 to start intermittently in the reverse direction, and the moving box 8 moves from front to back under the drive of the stepper motor 4 to perform another grinding on the automotive part and gradually move to the rearmost end of the grinding groove. After grinding is completed, the staff manually or with a manipulator grabs the arc-shaped automotive part 2 and removes it from the grinding groove, and places the next arc-shaped automotive part 2 to be ground.

[0045] Based on the same inventive concept, this embodiment provides a processing method for automotive parts, including grinding the arc-shaped automotive part 2 using the above processing device. The steps are as follows:

[0046] Step S001, after the arc-shaped automotive part 2 is stamped, the staff manually or with a manipulator grabs and places the arc-shaped automotive part 2 into the grinding groove of the grinding table 1. At this time, the moving frame 18 should be located at the rearmost end of the grinding groove, and the bottoms of the abutting rods 1302 are all located in the gap formed between the arc-shaped automotive part 2 and the rear of the grinding groove. During this process, the abutting rods 1302 do not contact the arc-shaped automotive part 2.

[0047] Step S002: Turn on the liquid pump to introduce coolant into the grinding tank. The single-chip microcomputer controller controls the intermittent startup of the stepping motor 4, causing the lead screw to rotate intermittently, thereby driving the moving box 8 to move intermittently, making the abutting rod 1302 gradually contact the arc-shaped automotive part 2 and pressing the arc-shaped automotive part 2 tightly in the grinding tank. At the same time, the servo motor 14 is started to drive the rotating wheel 16 to rotate, so that the connecting column 17 slides in the sliding groove 19, thereby driving the moving frame 18 to slide reciprocally, and then driving the sliding rod 11 to slide reciprocally, so that the flat grinding block 12 grinds the arc part of the arc-shaped automotive part 2. At the same time, due to the reciprocating sliding of the moving frame 18, the rack 21 also reciprocates, driving the intermediate gear 22 and the sector gear 23 to rotate reciprocally, causing the swing rod 9 to swing reciprocally, and then causing the arc-shaped grinding block 10 to grind the arc part of the arc-shaped automotive part 2;

[0048] Step S003: The moving box 8 moves from back to front driven by the stepping motor 4 to perform a single grinding on the arc-shaped automotive part 2. After moving to the frontmost end, the single-chip microcomputer controller controls the stepping motor 4 to start intermittently in the reverse direction. The moving box 8 moves from front to back driven by the stepping motor 4 to perform another grinding on the automotive part and gradually moves to the rearmost end of the grinding tank. After the grinding is completed, the operator manually or uses a manipulator to grab and remove the arc-shaped automotive part 2 from the grinding tank and place the next arc-shaped automotive part 2 to be ground.

[0049] Compared with the prior art, in this embodiment, during the processing of the arc-shaped automotive part 2, the arc part and the flat part of the arc-shaped automotive part 2 can be ground simultaneously, improving the processing efficiency of the arc-shaped automotive part 2 and reducing the processing equipment cost and maintenance cost of the arc-shaped automotive part 2.

[0050] The above is only a preferred embodiment of the present invention and does not impose any form of limitation on the present invention. Although the present invention has been disclosed above with a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to the above-disclosed technical content to obtain equivalent embodiments with equivalent changes, but as long as the technical content of the present invention is not departed from, any brief modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A processing device for automobile parts, characterized in that: include: A grinding table, on which there are grinding grooves adapted to the automotive parts; The moving mechanism comprises a fixed frame, a horizontal driving assembly arranged on the fixed frame, and a moving box driven by the horizontal driving assembly and located above the grinding tank; The clamping mechanism comprises elastic telescopic rods symmetrically arranged on both sides of the moving box and capable of pressing the automobile parts against the grinding table; The grinding mechanism includes a swing rod hinged to the middle of the moving box, a sliding rod slidably connected to the two ends of the moving box, and a driving mechanism for driving the swing rod to rotate back and forth and the sliding rod to slide back and forth. The bottom of the moving box is provided with a through groove for accommodating the rotation of the swing rod and the sliding rod to slide. The bottom of the swing rod is provided with an arc-shaped grinding block, and the bottom of the sliding rod is provided with a straight grinding block.

2. The processing device for automobile parts according to claim 1, characterized in that: The driving mechanism comprises: A power member, arranged on the moving box; The linear reciprocating driving member comprises a moving frame arranged in the moving box and slidably connected to the moving box, and a rotating wheel driven to rotate by the power member, the moving frame is provided with a slide groove perpendicular to the sliding direction of the moving frame, the rotating wheel is eccentrically connected to a connecting column sliding in the slide groove, and the sliding rod is respectively connected to the two ends of the sliding frame and moves synchronously; The swing reciprocating driving member includes a rack arranged on the sliding frame, an intermediate gear rotatably connected in the moving box and meshing with the rack, and a fan gear rotatably connected in the moving box and meshing with the intermediate gear. The swing rod is connected to the fan gear and rotates synchronously.

3. The processing device for automobile parts according to claim 2, characterized in that: There are several intermediate gears which mesh with each other, and the total number of the intermediate gears is an odd number. The top intermediate gear meshes with the rack, and the bottom intermediate gear meshes with the fan gear.

4. The processing device for automobile parts according to claim 2 or 3, characterized in that: A fixed shaft is arranged in the moving box, a sleeve is sleeved on the fixed shaft, a connecting frame is arranged between one side of the sleeve and the fan gear, and the other side of the sleeve is connected with the swing rod.

5. The processing device for automobile parts according to claim 4, characterized in that: The two sides of the moving box are symmetrically provided with limiting sleeves which can respectively accommodate the two ends of the moving frame to be slidably connected.

6. The processing device for automobile parts according to claim 5, characterized in that: Reinforcement frames are arranged between the two sides of the limiting sleeve and the fixed shaft.

7. The processing device for automobile parts according to claim 5 or 6, characterized in that: The two sides of the limiting sleeve are symmetrically provided with connecting ears, and there are at least two elastic telescopic rods located on the same side and respectively installed on each connecting ear.

8. The processing device for automobile parts according to claim 7, characterized in that: The elastic telescopic rod comprises a fixing sleeve arranged on the connecting ear piece, a resisting rod slidably connected to the inner wall of the fixing sleeve, and a spring arranged between the resisting rod and the fixing sleeve.

9. The processing device for automobile parts according to claim 8, characterized in that: The width of the grinding groove is wider than the width of the automobile accessory, and the width difference between the grinding groove and the automobile accessory is greater than the distance between the two elastic telescopic rods located on the same side.

10. A processing method for automobile parts, characterized in that: The method comprises using the processing device described in any one of claims 1 to 9 to grind a curved automobile part, the steps of which are as follows: Step S001, the arc-shaped automobile parts are grasped by a staff member or a robot and placed in a grinding groove of a grinding table; Step S002, the elastic telescopic rod presses the arc-shaped automobile accessory tightly into the grinding groove, and at the same time, the horizontal driving assembly drives the moving box to move intermittently, and the driving mechanism drives the swing rod to rotate back and forth and drives the sliding rods on both sides to slide back and forth, so that the arc-shaped grinding block grinds the arc-shaped part of the arc-shaped automobile accessory, and at the same time, the straight grinding block grinds the straight part of the arc-shaped automobile accessory; Step S003, after polishing is completed, the staff or the robot removes the polished arc-shaped automobile parts.

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