A cutting device for processing automobile parts

Abstract

The application discloses a cutting equipment for automobile accessory machining, and relates to the technical field of automobile accessory machining, which comprises a base, a cutting knife is fixedly connected to the top of the base, a pressing mechanism for fixing an automobile hub is arranged on the top of the base, a supporting mechanism for avoiding shaking of the automobile hub is arranged in the pressing mechanism, a safety mechanism for avoiding accidental rotation of the automobile hub is arranged on the upper surface of the base, a lifting mechanism for taking down the cut automobile hub is arranged on the upper surface of the base, and a limiting mechanism for limiting the movement of the lifting mechanism is arranged at the bottom of the base. The uniform pressure distribution provided by the pressing plate can more stably fix the automobile hub, so that the automobile hub will not deviate or vibrate when high-speed rotating or powerfully cutting, the stability of the machining process is ensured, and the excessive extrusion on the side surface of the automobile hub is avoided, so that the possible damage is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile accessory machining, in particular to a cutting device for automobile accessory machining. BACKGROUND

[0002] In the automobile manufacturing industry, especially in the field of wheel hub manufacturing, it is crucial to ensure that products meet strict quality standards. During the forming process of the wheel hub, due to the special nature of the material and the high-speed rotation characteristics, burrs are often generated, which has a negative impact on the safety, aesthetics, and durability of the vehicle. Traditional methods for removing burrs mainly include manual polishing, manual sander processing, and polishing machine processing.

[0003] In recent years, with the development of mechanical processing technology, equipment specifically used for cutting wheel hub edge burrs has appeared. These devices can quickly and efficiently remove burrs, greatly improving production efficiency and processing accuracy.

[0004] However, when fixing the wheel hub for burr removal processing, the traditional method is usually to use clamping jaws to clamp from the outside of the wheel hub. Although this method is simple to operate, in actual application, it is easy to cause damage to the wheel hub side due to excessive extrusion, especially in the edge part of the wheel hub that needs to be finely processed, such damage is particularly evident.

[0005] Therefore, the present application proposes a cutting device for automobile accessory machining to make up for and improve the shortcomings of the prior art. SUMMARY

[0006] In view of the above problems, the present application provides a cutting device for automobile accessory machining, which can effectively solve the problem of damage caused by clamping the wheel hub when cutting the wheel hub. In order to achieve the above purpose, the embodiments of the present application provide the following technical solutions:

[0007] The present application discloses a cutting device for automobile accessory machining, comprising a base, a cutting knife is fixedly connected to the top of the base, a pressing mechanism for fixing the automobile wheel hub is arranged on the top of the base, a supporting mechanism for avoiding the automobile wheel hub from shaking is arranged in the pressing mechanism, a safety mechanism for avoiding the automobile wheel hub from accidentally rotating is arranged on the upper surface of the base, a lifting mechanism for taking out the cut wheel hub is arranged on the upper surface of the base, and a limiting mechanism for limiting the movement of the lifting mechanism is arranged at the bottom of the base.

[0008] The pressing mechanism comprises a circular support plate arranged on the top of the base, a plurality of insertion rods for inserting into the screw holes of the wheel hub are fixedly connected to the upper surface of the support plate, an inverted L-shaped bracket is fixedly connected to the top of the base, a hydraulic cylinder is fixedly connected to the horizontal section of the bracket, a pressing plate for pressing the wheel hub is rotatably connected to the output end of the hydraulic cylinder through a hinge seat, and limiting holes for passing through the insertion rods are formed on the surface of the pressing plate.

[0009] Furthermore, the pressing mechanism also includes a guide rod fixedly connected to the bottom of the support plate. A first support plate is slidably connected to the outside of the guide rod. A support rod is fixedly connected to the bottom of the first support plate. A second support plate is fixedly connected to the bottom of the support rod. A rotating shaft is fixedly connected to the bottom of the second support plate. The rotating shaft is rotatably connected to the base. A rotating motor is fixedly connected to the bottom of the base. The output end of the rotating motor is fixedly connected to the bottom of the rotating shaft.

[0010] Furthermore, the support mechanism includes a through hole on the side of the insertion rod, a movable plate is embedded in the through hole, and the movable plate is slidably connected to the insertion rod.

[0011] Furthermore, the support mechanism also includes a movable rod that is vertically slidably connected inside the insertion rod cavity, the movable rod sliding through the first support plate, and the bottom of the movable rod extending to the upper surface of the second support plate.

[0012] Furthermore, a connecting rod is rotatably connected to the side of the movable rod, and the end of the connecting rod away from the movable rod is rotatably connected to the side of the movable plate. A first spring is fixedly connected to the top of the movable rod, and the end of the first spring away from the movable rod is fixedly connected to the top of the insertion rod cavity.

[0013] Furthermore, the safety mechanism includes symmetrically slidingly connected limiting rods inside the cavity of the second tray, with one end of each limiting rod extending to the outside of the second tray, and the top protruding side of the base having a socket for inserting the limiting rods.

[0014] Furthermore, each of the two limiting rods is fixedly connected to a U-shaped rod at one end close to each other. A second spring is fixedly connected to the side of each U-shaped rod. The end of the second spring away from the U-shaped rod is fixedly connected to the side wall of the cavity of the second support plate. A pressing rod is slidably connected between the two U-shaped rods. The pressing rod is vertically slidably connected to the second support plate, and the top of the pressing rod is fixedly connected to the bottom of the guide rod. Inclined surfaces are provided on both sides of the pressing rod, and the inclined surfaces slide against the U-shaped rod.

[0015] Furthermore, the lifting mechanism includes symmetrical sliding rods slidably connected to the base, and a "U"-shaped bracket for lifting the hub is fixedly connected to the top of the multiple sliding rods. A third spring is slidably sleeved on the outside of the sliding rod, and the third spring is located outside the sliding rod between the upper surface of the base and the bracket.

[0016] Furthermore, a limiting block is fixedly connected to the bottom of each slide rod, and a slot is provided on the side of the slide rod, with the slot located on the side of the slide rod at the bottom of the base.

[0017] Further, the limiting mechanism comprises a clamping plate in sliding connection with the lower surface of the base, and the clamping plate and the clamping groove are matched with each other, the L-shaped rod is fixedly connected to the side surface of the clamping plate, the vertical section of the L-shaped rod extends to the upper surface of the base, a horizontal rod is fixedly connected to the top of the vertical section of the L-shaped rod, the horizontal rod slides through the protrusion at the bottom of the base, and the horizontal rod passes through the insertion hole and abuts against the limiting rod, a V-shaped elastic sheet is fixedly connected to the side surface of the L-shaped rod, and the V-shaped elastic sheet is fixedly connected to the side surface of the base.

[0018] Advantages:

[0019] 1. The device is provided with a pressing mechanism, which first passes the hub screw hole through the insertion rod and then presses the hub down with the pressing plate for cutting. The uniform pressure distribution provided by the pressing plate can more stably fix the hub, so that the hub will not deviate or vibrate during high-speed rotation or powerful cutting, ensuring the stability of the machining process. Compared with the traditional method of clamping the hub from the outside, this pressing method avoids excessive extrusion of the side surface of the hub, thereby reducing the possible damage.

[0020] 2. The device is provided with a supporting mechanism, which uses the moving plate inside the insertion rod to abut against the side wall of the hub screw hole. Compared with the traditional external clamping method, this inward supporting force can be more evenly distributed around the screw hole of the hub, which can avoid local excessive extrusion of the hub surface and provide additional stability support for the hub, especially under the vibration and external force generated during cutting, which helps to maintain the stability of the hub position and ensures the machining precision.

[0021] 3. The device is provided with a safety mechanism, which inserts the limiting rod into the insertion hole when the hub is not pressed and fixed. The use of the limiting rod can effectively prevent the hub from rotating due to accidental touch or starting of the equipment when it is not completely fixed, thereby avoiding possible injuries to the operator or other safety accidents.

[0022] 4. The device is provided with a lifting mechanism, which lifts the hub with the lifting bracket after the cutting of the hub is completed, so that the operator does not need to lift the heavy hub from the workbench, reducing the labor intensity and improving the operation convenience and efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating any inventive labor.

[0024] Figure 1 isometric view of the present application.

[0025] Figure 2 is the front view of the pressing mechanism in the present application.

[0026] Figure 3 is the exploded view of the supporting mechanism in the present application Figure 2 is the enlarged view of the structure at A in the present application.

[0027] Figure 4 is the exploded view of the supporting mechanism in the present application

[0028] Figure 5 is the isometric view of the safety mechanism in the present application.

[0029] Figure 6 is the exploded view of the supporting mechanism in the present application Figure 5 is the enlarged view of the structure at B in the present application.

[0030] Figure 7 is the isometric view of the limiting mechanism in the present application.

[0031] Figure 8 is the isometric view of the lifting mechanism in the present application.

[0032] Figure 9 is the connection diagram of the crossbar and the base protrusion in the present application.

[0033] The reference signs in the drawings represent: 10, base; 20, cutting tool; 30, pressing mechanism; 301, supporting plate; 302, inserting rod; 303, pressing plate; 304, limiting hole; 305, bracket; 306, hydraulic cylinder; 307, guide rod; 308, first supporting plate; 309, supporting rod; 310, second supporting plate; 311, rotating shaft; 312, rotating motor; 40, supporting mechanism; 401, through hole; 402, moving plate; 403, connecting rod; 404, moving rod; 405, first spring; 50, safety mechanism; 501, limiting rod; 502, second spring; 503, U-shaped rod; 504, pressing rod; 505, inclined surface; 506, insertion hole; 60, lifting mechanism; 601, sliding rod; 602, third spring; 603, bracket; 604, limiting block; 605, clamping groove; 70, limiting mechanism; 701, clamping plate; 702, L-shaped rod; 703, crossbar; 704, V-shaped elastic sheet. DETAILED DESCRIPTION

[0034] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0035] The present application will be further described below with reference to the embodiments.

[0036] Referring to Figures 1 to 9 The cutting equipment for machining automobile parts of the embodiment comprises a base 10, a cutting knife 20 fixedly connected to the top of the base 10, a pressing mechanism 30 for fixing an automobile hub arranged on the top of the base 10, a supporting mechanism 40 arranged in the pressing mechanism 30 for avoiding shaking of the automobile hub, a safety mechanism 50 arranged on the upper surface of the base 10 for avoiding accidental rotation of the automobile hub, a lifting mechanism 60 arranged on the upper surface of the base 10 for taking out the hub after cutting, and a limiting mechanism 70 arranged at the bottom of the base 10 for limiting movement of the lifting mechanism 60.

[0037] The pressing mechanism 30 comprises a circular supporting plate 301 arranged on the top of the base 10, a plurality of insertion rods 302 for being inserted into the screw holes of the hub fixedly connected to the upper surface of the supporting plate 301, a bracket 305 in inverted L shape fixedly connected to the top of the base 10, a hydraulic cylinder 306 fixedly connected to the horizontal section of the bracket 305, a pressing plate 303 for pressing the hub rotatably connected to the output end of the hydraulic cylinder 306 through a hinged seat, and a limiting hole 304 for passing through the insertion rod 302 arranged on the surface of the pressing plate 303. The insertion rod 302 is arranged in five, corresponding to the five screw holes of the common hub on the market.

[0038] The pressing mechanism 30 further comprises a guide rod 307 fixedly connected to the bottom of the supporting plate 301, a first supporting plate 308 slidably connected to the outside of the guide rod 307, a supporting rod 309 fixedly connected to the bottom of the first supporting plate 308, a second supporting plate 310 fixedly connected to the bottom of the supporting rod 309, a rotating shaft 311 fixedly connected to the bottom of the second supporting plate 310, and a rotating motor 312 fixedly connected to the bottom of the base 10.

[0039] Specifically, when cutting the wheel hub, first, place the wheel hub on the surface of the support plate 301, at this time the bottom of the wheel hub is in contact with the bracket 603 of the lifting mechanism 60, pass the screw hole of the wheel hub through the insertion rod 302, then use the hydraulic cylinder 306 to drive the lower plate 303 to descend, so that the limiting hole 304 of the lower plate 303 is outside the insertion rod 302, and the wheel hub is pressed on the surface of the support plate 301 by the lower plate 303. Compared with the traditional method of clamping the wheel hub from the outside, this pressing method avoids excessive extrusion of the side surface of the wheel hub, thereby reducing the possible damage. Finally, the rotating motor 312 drives the rotating shaft 311 to rotate, the rotating shaft 311 drives the second supporting plate 310 to rotate synchronously, the second supporting plate 310 drives the first supporting plate 308 to rotate synchronously through the supporting rod 309, and the first supporting plate 308 drives the wheel hub fixed on the surface of the support plate 301 to rotate when rotating, and the burr on the surface of the wheel hub is cut by the cutting tool 20 when the wheel hub rotates.

[0040] The supporting mechanism 40 comprises a through hole 401 opened in the side surface of the insertion rod 302, and the moving plate 402 is embedded in the through hole 401 and is in sliding connection with the insertion rod 302. Four through holes 401 are arranged along the surface of the insertion rod 302.

[0041] The supporting mechanism 40 further comprises a moving rod 404 vertically and slidingly connected in the cavity of the insertion rod 302, the moving rod 404 slidingly penetrates the first supporting plate 308, and the bottom of the moving rod 404 extends to the upper surface of the second supporting plate 310.

[0042] The side surface of the moving rod 404 is rotationally connected with the connecting rod 403, one end of the connecting rod 403 away from the moving rod 404 is rotationally connected with the side surface of the moving plate 402, the top of the moving rod 404 is fixedly connected with the first spring 405, and one end of the first spring 405 away from the moving rod 404 is fixedly connected with the top of the cavity of the insertion rod 302.

[0043] When the hydraulic cylinder 306 presses the wheel hub, the hydraulic cylinder 306 synchronously pushes the support plate 301 downward, the guide rod 307 at the bottom of the support plate 301 moves downward along the first supporting plate 308, at this time the distance between the support plate 301 and the first supporting plate 308 becomes smaller, and the first supporting plate 308 pushes the moving rod 404 to move upward when the support plate 301 moves downward, the moving rod 404 moving upward pushes the moving plate 402 outward through the connecting rod 403, so that the moving plate 402 passes through the through hole 401 and is in contact with the side wall of the screw hole of the wheel hub, and the moving plate 402 fills the gap between the insertion rod 302 and the screw hole of the wheel hub. The support force applied from the inside to the outside can be more evenly distributed around the screw hole of the wheel hub, which can avoid excessive extrusion on the surface of the wheel hub and provide additional stable support for the wheel hub, especially under the action of vibration and external force generated during cutting, which helps to maintain the stability of the position of the wheel hub and ensures the machining precision.

[0044] When the moving rod 404 moves upward, the moving rod 404 compresses the first spring 405 to store force, and when the cutting of the wheel hub is completed, the hydraulic cylinder 306 drives the pressing plate 303 to move upward to release the pressing and fixing of the wheel hub, at this time, the first spring 405 pushes the moving rod 404 to move downward, the moving rod 404 moving downward drives the supporting plate 301 to move upward away from the first supporting plate 308, and the moving rod 404 drives the moving plate 402 to move into the cavity of the inserting rod 302 through the connecting rod 403 at the same time, so as to release the interference and fixing of the moving plate 402 to the screw hole of the wheel hub, thereby facilitating the removal of the wheel hub from the inserting rod 302.

[0045] The safety mechanism 50 comprises limiting rods 501 symmetrically and slidably connected inside the cavity of the second supporting plate 310, and the ends of the two limiting rods 501 away from each other extend to the outside of the second supporting plate 310. The top of the base 10 is provided with a hole 506 for the insertion of the limiting rod 501.

[0046] The two limiting rods 501 are fixedly connected with U-shaped rods 503 at the ends close to each other, each U-shaped rod 503 is fixedly connected with a second spring 502 at the side, the second spring 502 is fixedly connected with the side wall of the cavity of the second supporting plate 310 at the end away from the U-shaped rod 503, and a pressing rod 504 is slidably connected between the two U-shaped rods 503, the pressing rod 504 is vertically slidably connected with the second supporting plate 310, the top of the pressing rod 504 is fixedly connected with the bottom of the guide rod 307, and the two sides of the pressing rod 504 are provided with inclined surfaces 505 which slidably interfere with the U-shaped rods 503, and the two inclined surfaces 505 are arranged in an inverted "8" shape.

[0047] In specific work, before the wheel hub is placed on the supporting plate 301, the pressing of the hydraulic cylinder 306 is not performed, at this time, the limiting rods 501 are moved to the outside of the second supporting plate 310 under the elastic force of the second spring 502, and the ends of the limiting rods 501 are inserted into the hole 506 of the boss of the base 10, so that the rotation of the wheel hub caused by accidental touching or starting of the equipment before complete fixing can be effectively prevented by using the limiting rods 501, thereby avoiding possible injuries to the operator or other safety accidents.

[0048] When the hydraulic cylinder 306 presses and fixes the wheel hub, the supporting plate 301 drives the guide rod 307 to move downward synchronously, the guide rod 307 drives the pressing rod 504 to move into the second supporting plate 310 synchronously, the inclined surfaces 505 at the bottom of the pressing rod 504 drive the two U-shaped rods 503 to move away from each other, the two U-shaped rods 503 drive the ends of the limiting rods 501 to move into the second supporting plate 310 from the hole 506, so as to release the fixing of the limiting rods 501 to the second supporting plate 310, and then the rotation of the wheel hub is driven by the rotary motor 312 to realize cutting.

[0049] The ascending mechanism 60 comprises slide rods 601 symmetrically and slidably connected with the base 10, a plurality of the slide rods 601 are fixedly connected with a "mouth" shaped bracket 603 for jacking up the hub at the top, the slide rods 601 are externally slidably sleeved with third springs 602, and the third springs 602 are located outside the slide rods 601 between the upper surface of the base 10 and the bracket 603.

[0050] The bottom of each slide rod 601 is fixedly connected with a limiting block 604, and a clamping groove 605 is formed in the side surface of the slide rod 601 and located in the side surface of the slide rod 601 at the bottom of the base 10.

[0051] In specific work, after the hub is placed on the bracket 603, the screw hole of the hub is aligned with the inserting rod 302, the hub is fixedly pressed on the supporting plate 301 by the descending of the lower pressing plate 303 driven by the hydraulic cylinder 306, at the same time, the hub is synchronously moved downward by being extruded by the supporting plate 301, the hub synchronously moves downward by driving the bracket 603 and the slide rod 601, the clamping plate 701 of the limiting mechanism 70 is inserted into the clamping groove 605, and the limiting of the slide rod 601 is realized.

[0052] After the hub is cut, the lower pressing plate 303 is moved upward by the hydraulic cylinder 306 to release the downward pressing and fixing of the hub, then the limiting mechanism 70 releases the limiting of the slide rod 601, then the bracket 603 is moved upward by the elastic force of the third spring 602, the upward moving bracket 603 pushes the hub to synchronously move upward, the upward moving hub is separated from the outside of the inserting rod 302, the hub is quickly taken off from the inserting rod 302, the hub is jacked up by the ascending bracket 603, so that the operator does not need to lift the heavy hub from the workbench, the labor intensity is reduced, and the operation convenience and efficiency are improved.

[0053] The limiting mechanism 70 comprises a clamping plate 701 slidably connected with the lower surface of the base 10, the clamping plate 701 and the clamping groove 605 are matched with each other, an L-shaped rod 702 is fixedly connected with the side surface of the clamping plate 701, the vertical section of the L-shaped rod 702 extends to the upper surface of the base 10, a horizontal rod 703 is fixedly connected with the top of the vertical section of the L-shaped rod 702, the horizontal rod 703 slidably penetrates the protrusion at the bottom of the base 10, the side surface of the horizontal rod 703 penetrates the inserting hole 506 and abuts against the limiting rod 501, a V-shaped elastic sheet 704 is fixedly connected with the side surface of the L-shaped rod 702, and the V-shaped elastic sheet 704 is fixedly connected with the side surface of the base 10.

[0054] In specific work, after the hub is placed on the bracket 603, the slide rod 601 is pushed downward by the hub when being fixedly pressed by the hydraulic cylinder 306, the clamping plate 701 is horizontally moved into the clamping groove 605 by the elastic force of the V-shaped elastic sheet 704, and the clamping groove 605 in the side surface of the slide rod 601 is clamped by the clamping plate 701.

[0055] When the hub is completed cutting, the hub stops rotating, and the limiting rod 501 of the safety mechanism 50 is inserted into the insertion hole 506, at this time, when the limiting rod 501 enters the insertion hole 506, the one end of the limiting rod 501 synchronously abuts against the horizontal rod 703, the limiting rod 501 pushes the horizontal rod 703 to move horizontally, the horizontal rod 703 drives the clamping plate 701 away from the clamping groove 605 through the L-shaped rod 702, and the clamping plate 701 is released from the limiting of the sliding rod 601, finally, the bracket 603 is pushed upward by the elastic force of the third spring 602 to move, the upward moving bracket 603 pushes the hub to synchronously move upward, and the upward moving hub is separated from the outside of the insertion rod 302, and the operator only needs to be responsible for the initial installation and the final taking out of the hub, so that the operation process is greatly simplified, and the convenience and efficiency of operation are improved.

[0056] Working principle:

[0057] Firstly, the hub is placed on the bracket 603 of the lifting mechanism 60, the hub screw hole is aligned with the insertion rod 302, then the hub is fixed and pressed downward outside the insertion rod 302 by the pressing mechanism 30, and the gap between the insertion rod 302 and the hub screw hole is filled by the supporting mechanism 40, when the hub is fixed and pressed downward by the pressing mechanism 30, the lifting mechanism 60 is lowered and limited by the limiting mechanism 70, and when the hub is fixed and pressed downward by the pressing mechanism 30, the rotation of the hub is also released from the limitation of the safety mechanism 50, the hub is rotated by the rotating motor 312, and the cutting is performed by the cutting tool 20, when the hub is completed cutting, the downward pressing of the hub by the pressing mechanism 30 is released, then the rotation of the hub is fixed by the safety mechanism 50, and the abutment of the supporting mechanism 40 against the hub screw hole is released, at this time, the limiting rod 501 of the safety mechanism 50 drives the limiting mechanism 70 to release the limitation of the lifting mechanism 60, and the lifting mechanism 60 lifts the hub upward from the outside of the insertion rod 302, and the hub is taken down.

[0058] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit the same; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A cutting device for processing automotive parts, characterized in that, The application relates to a cutting device for automobile wheel hubs, which comprises a base (10), a cutting tool (20) fixedly connected to the top of the base (10), a pressing mechanism (30) arranged on the top of the base (10) and used for fixing the automobile wheel hub, a supporting mechanism (40) arranged in the pressing mechanism (30) and used for avoiding the automobile wheel hub from shaking, a safety mechanism (50) arranged on the upper surface of the base (10) and used for avoiding the automobile wheel hub from rotating accidentally, a lifting mechanism (60) arranged on the upper surface of the base (10) and used for taking off the cut automobile wheel hub, and a limiting mechanism (70) arranged at the bottom of the base (10) and used for limiting the movement of the lifting mechanism (60). The pressing mechanism (30) comprises a circular supporting plate (301) arranged on the top of the base (10), a plurality of inserting rods (302) fixedly connected to the upper surface of the supporting plate (301) and used for being inserted into the screw holes of the wheel hub, a bracket (305) fixedly connected to the top of the base (10) and in the shape of inverted L, a hydraulic cylinder (306) fixedly connected to the horizontal section of the bracket (305), a pressing plate (303) rotatably connected to the output end of the hydraulic cylinder (306) through a hinged seat and used for pressing the wheel hub, and a limiting hole (304) arranged on the surface of the pressing plate (303) and used for passing through the inserting rod (302). The pressing mechanism (30) further comprises a guide rod (307) fixedly connected to the bottom of the supporting plate (301), a first supporting plate (308) slidably connected to the outer portion of the guide rod (307), a supporting rod (309) fixedly connected to the bottom of the first supporting plate (308), a second supporting plate (310) fixedly connected to the bottom of the supporting rod (309), a rotating shaft (311) fixedly connected to the bottom of the second supporting plate (310) and rotatably connected to the base (10), and a rotating motor (312) fixedly connected to the bottom of the base (10) and having the output end fixedly connected to the bottom of the rotating shaft (311). The supporting mechanism (40) comprises a through hole (401) arranged on the side surface of the inserting rod (302), and a moving plate (402) embedded in the through hole (401) and slidably connected to the inserting rod (302). The supporting mechanism (40) further comprises a moving rod (404) vertically and slidably connected in the cavity of the inserting rod (302), and the moving rod (404) is slidably penetrated through the first supporting plate (308) and extends to the upper surface of the second supporting plate (310).

2. The cutting apparatus for processing of automobile parts according to claim 1, wherein A connecting rod (403) is rotatably connected to the side surface of the moving rod (404), one end of the connecting rod (403) away from the moving rod (404) is rotatably connected to the side surface of the moving plate (402), a first spring (405) is fixedly connected to the top of the moving rod (404), and one end of the first spring (405) away from the moving rod (404) is fixedly connected to the top of the cavity of the inserting rod (302).

3. The cutting apparatus for processing of automobile parts as claimed in claim 1 wherein, The safety mechanism (50) comprises limiting rods (501) symmetrically and slidingly connected inside the cavity of the second supporting plate (310), two ends of the limiting rods (501) away from each other extend to the outside of the second supporting plate (310), and the top of the base (10) is provided with a hole (506) for the insertion of the limiting rods (501).

4. The cutting apparatus for processing of automobile parts as claimed in claim 3 wherein, Two ends of the limiting rods (501) close to each other are fixedly connected with U-shaped rods (503), the side of each U-shaped rod (503) is fixedly connected with a second spring (502), one end of the second spring (502) away from the U-shaped rod (503) is fixedly connected with the side wall of the cavity of the second supporting plate (310), and a pressing rod (504) is slidingly connected between the two U-shaped rods (503), the pressing rod (504) is vertically slidingly connected with the second supporting plate (310), the bottom of the pressing rod (504) is fixedly connected with the guide rod (307), and the two sides of the pressing rod (504) are provided with inclined surfaces (505) which slidingly abut against the U-shaped rods (503).

5. The cutting apparatus for processing of automobile parts as claimed in claim 1 wherein, The lifting mechanism (60) comprises sliding rods (601) symmetrically and slidingly connected with the base (10), the top of each sliding rod (601) is fixedly connected with a "mouth"-shaped bracket (603) for jacking up the hub, and a third spring (602) is slidingly sleeved outside the sliding rod (601), and the third spring (602) is located outside the sliding rod (601) between the upper surface of the base (10) and the bracket (603).

6. The cutting apparatus for processing an automobile part according to claim 5, wherein The bottom of each sliding rod (601) is fixedly connected with a limiting block (604), and the side of the sliding rod (601) is provided with a clamping groove (605) located on the side of the sliding rod (601) at the bottom of the base (10).

7. The cutting apparatus for processing of an automobile part according to claim 6, wherein The limiting mechanism (70) comprises a clamping plate (701) slidingly connected with the lower surface of the base (10), the clamping plate (701) is matched with the clamping groove (605), the side of the clamping plate (701) is fixedly connected with an L-shaped rod (702), the vertical section of the L-shaped rod (702) extends to the upper surface of the base (10), the top of the vertical section of the L-shaped rod (702) is fixedly connected with a horizontal rod (703) slidingly penetrating through the protrusion at the bottom of the base (10), the side of the horizontal rod (703) passes through the hole (506) and abuts against the limiting rod (501), the side of the L-shaped rod (702) is fixedly connected with a V-shaped elastic sheet (704), and the V-shaped elastic sheet (704) is fixedly connected with the side of the base (10).

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