Hole opening equipment for machining automobile oil pan protection plate

Abstract

The invention relates to the technical field of trepanning machine tools, in particular to trepanning equipment for machining of an automobile oil pan protection plate, and solves the problems that a bent plate is difficult to fix and trepanning is unstable in a traditional device through a multi-dimensional limiting, angle self-adaptive adjusting and precise driving system. The first motor drives the positive and negative threaded rods to rotate, the two sets of centering plates synchronously move in the opposite directions through screw holes and are matched with the second propellers and the pressing plates of the side positioning pieces to fix materials, bending edges of the protection plates cannot be excessively extruded, and the structural stability of products is guaranteed. A third motor drives a key rod to rotate through a worm and gear, an arc-shaped key is attached to an arc-shaped hole of a hinge rod, a hinge frame is driven to rotate around the key rod, an inclined block slides along a second guide rod along with the hinge rod and is attached to the top face of the bent position of a protection plate in a self-adaptive mode, and a first propeller pushes a push plate and the inclined block to apply uniform pressure along the inclined face of the protection plate. And protection plates with different bending angles are pressed, and stable machining of materials is guaranteed through cooperation of the punching assembly and the front-back moving part.

Description

Technical Field

[0001] The present invention relates to the technical field of hole-opening machines, and particularly to a hole-opening device for processing the engine oil pan guard of an automobile. Background Art

[0002] The engine oil pan guard of an automobile is a protective device installed below the engine oil pan, mainly used to protect key components such as the engine oil pan and the transmission from external impacts such as road gravel, mud, and water splash, and at the same time optimize the vehicle's aerodynamic performance; When the engine oil pan guard of an automobile is produced, it needs to be bent and punched to ensure its fit with the bottom wall of the automobile while ensuring heat dissipation. If the plate is punched first and then bent and formed, the beam structure between the hollow holes is likely to break during bending. Therefore, it needs to be bent and formed first and then punched. The left and right sides of the engine oil pan guard are provided with inclined plates, and its front end is upturned. During punching, it needs to be stably limited. However, the traditional limiting structure can only fix the flat plate, making it difficult to ensure the stability of punching the above-mentioned plate. Summary of the Invention

[0003] (I) Technical Problems to be Solved In view of the deficiencies of the prior art, the present invention provides a hole-opening device for processing the engine oil pan guard of an automobile.

[0004] (II) Technical Solutions To achieve the above object, the present invention provides the following technical solutions: A hole-opening device for processing the engine oil pan guard of an automobile, including a table, and further including: A bearing assembly, the bearing assembly includes a front-back moving member and a horizontal limiting member. A front-back moving member for driving the horizontal limiting member to move is provided on the table. The horizontal limiting member includes a support frame, a centering member, a key rod, a first guiding rod, a centering plate, and a side positioning member. The support frame is in a U shape with an open front side. A key rod and a first guiding rod are arranged between the two side walls of the support frame. Two groups of symmetrically arranged centering plates are further arranged in the support frame. The centering plates are slidably connected to the key rod and the first guiding rod. A centering member for driving the centering plates to move is further provided on the support frame. A side positioning member is further provided on the centering plate; A hinged limiting member, the hinged limiting member includes a driving member, a hinged frame, a second guiding rod, and a hinged rod. The hinged frame is in a U shape with an open rear side. The two free ends at the rear side of the hinged frame are fixedly connected to the key rod. A hinged groove is further provided on the front side of the centering plate. The key rod penetrates through the hinged groove. One end of the hinged rod extends into the hinged groove and is connected to the key rod. A second guiding rod is further arranged between the two side walls of the hinged frame. The second guiding rod penetrates through the other end of the hinged rod. A driving member for driving the key rod to rotate is further provided outside the support frame; An opening device, the opening device includes an opening component, side plates and a top plate. There are also two groups of symmetrically arranged side plates on the left and right sides of the table top, and the top plate is arranged above the two groups of side plates, and the opening component is arranged on the top plate.

[0005] In order to ensure the stability of the sliding of the hinge rod, the present invention is improved. The key rod includes a rotating shaft and an arc key. A number of groups of the arc keys are arranged on the circumferential side of the rotating shaft. A through hole adapted to the outer side of the key rod is arranged on the centering plate. A key hole adapted to the key rod is arranged on the hinge rod. The key hole includes an arc hole and a round hole. The arc hole is in fit with the outer wall of the arc key, and the diameter of the round hole is larger than the diameter of the rotating shaft.

[0006] In order to facilitate the limitation of the top wall of the bent part of the material, the present invention is improved. The hinge limiting member further includes an auxiliary plate, a first thruster, a push plate and an inclined block. The auxiliary plate is arranged on the cross beam at one end of the hinge frame away from the support frame. The output end of the first thruster penetrates through the auxiliary plate and is connected to the push plate, and the inclined block is arranged at one end of the push plate away from the auxiliary plate.

[0007] In order to facilitate the downward pressing and limitation of the bottom plate part of the material, the present invention is improved. The side positioning member includes a bracket in the shape of a side-opening C, a second thruster, a pressing plate, a guiding block and a protection plate. The bracket is arranged on the centering plate. The output end of the second thruster penetrates through the top wall of the bracket and is connected to the pressing plate. The upper part of the bottom wall of the bracket, the top wall of the centering plate and the top wall of the support frame are flush. The guiding block is arranged on the protection plate, and a guiding groove adapted to the guiding block is arranged on the side wall of the bracket. The guiding block is in the shape of a T.

[0008] Preferably, the centering member includes a first motor and a positive and negative thread rod. The positive and negative thread rod is also rotatably arranged between the two side walls of the support frame. The output end of the first motor penetrates through the support frame and is connected to the positive and negative thread rod. A threaded hole adapted to the positive and negative thread rod is arranged on the centering plate.

[0009] In order to facilitate the limitation of the rear side of the plate, the present invention is improved. A rear positioning member is further arranged on the support frame. The rear positioning member includes a support beam, a second screw rod, a second motor, a slider and a support plate. A sliding hole is arranged on the support beam. The second screw rod is rotatably arranged in the sliding hole. The second screw rod penetrates through the support beam and the support frame and is connected to the second motor. The slider is slidably connected to the sliding hole. The slider is threadedly connected to the second screw rod. The top wall of the slider and the top wall of the support beam are both flush with the top wall of the support frame. A support plate is further arranged above the rear side of the slider. The key rod and the first guiding rod penetrate through the support beam. The slider and the second screw rod are both arranged above the positive and negative thread rod.

[0010] In order to stably adjust the angle of the hinge frame, the present invention is improved in that the driving member includes a third motor, a worm gear, a worm and a housing. The housing is arranged outside the support frame. The worm and the worm gear are arranged inside the housing. The worm is meshed with the worm gear. The key rod penetrates through the support frame and the housing and is connected to the center of the worm gear. The output end of the third motor penetrates through the housing and is connected to the worm.

[0011] Preferably, the forward and backward moving member includes an auxiliary frame, a first screw rod, a fourth motor, a driving block, a slide rail and a guide rail seat. The slide rails are symmetrically arranged on the left and right sides of the table top. The guide rail seat which is slidably connected with the slide rails is arranged below the support frame. The auxiliary frames are also arranged on the front and back sides of the table top. The first screw rod is rotatably arranged between the two groups of auxiliary frames. The output end of the fourth motor penetrates through one group of auxiliary frames and is connected to the first screw rod. The driving block is also arranged on the bottom wall of the cross beam of the support frame. The driving block is in threaded connection with the first screw rod.

[0012] Preferably, the hole opening assembly includes a horizontal displacement member, a lifter and a hole puncher. The horizontal displacement member which drives the hole puncher to move is arranged below the top plate. The output end of the lifter penetrates through the top plate and is connected to the horizontal displacement member.

[0013] In order to facilitate the collection of waste chips, the present invention is improved in that the legs are arranged at the four corners below the table top. The hollow holes are arranged on the table top. The waste chip collection assembly is also arranged below the table top. The waste chip collection assembly includes a waste chip collection box with an upper opening. The universal wheels are arranged at the four corners below the waste chip collection box. The brakes are arranged on the peripheries of the universal wheels. The handle is also arranged at the rear side of the waste chip collection box.

[0014] (III) Beneficial effects Compared with the prior art, the present invention provides a hole opening device for processing the automobile oil pan guard plate, and has the following beneficial effects: The hole opening device for processing the automobile oil pan guard plate solves the problems of difficult fixation of the bent plate and unstable hole opening of the traditional device through the multi-dimensional limit, the angle adaptive adjustment and the precise drive system; The first motor drives the left and right threaded rod to rotate. The two centering plates move synchronously and towards each other through the screw holes. Cooperating with the second thruster of the side positioning member, the pressing plate fixes the material without excessively squeezing the bent edge of the guard plate, ensuring the structural stability of the product itself; The third motor drives the key rod to rotate through the worm and worm gear. The arc key fits with the arc hole of the hinge rod, driving the hinge frame to rotate around the key rod. The inclined block slides along the second guide rod along with the hinge rod, adaptively fitting the top surface of the bent part of the guard plate. The first thruster pushes the push plate, and the inclined block applies uniform pressure along the inclined surface of the guard plate to press the guard plates with different bending angles; Cooperate with the opening component and the front-back moving component to ensure stable processing of the material. Description of the Drawings

[0015] Figure 1 Schematic diagram of the material to be positioned in the structure of the present invention; Figure 2 Schematic diagram of the positioned material in the structure of the present invention; Figure 3 Structure of the present invention Figure 2 Bottom view schematic diagram; Figure 4 Structure of the present invention Figure 2 Side view schematic diagram; Figure 5 Structure of the present invention Figure 2 Partial schematic diagram; Figure 6 Structure of the present invention Figure 5 Partial enlarged schematic diagram at position A in the structure; Figure 7 Structure of the present invention Figure 5 Partial enlarged schematic diagram at position B in the structure; Figure 8 Bottom view schematic diagram of the opening device in the structure of the present invention; Figure 9 Partial schematic diagram of the structure of the present invention; Figure 10 Partial cross-sectional schematic diagram of the structure of the present invention; Figure 11 Structure of the present invention Figure 10 Partial enlarged schematic diagram at position C in the structure.

[0016] In the figure: 1, tabletop; 2, support frame; 3, first guide rod; 4, centering plate; 5, hinged frame; 6, second guide rod; 7, hinged rod; 8, side plate; 9, top plate; 10, rotating shaft; 11, arc key; 12, auxiliary plate; 13, first thruster; 14, push plate; 15, inclined block; 16, bracket; 17, second thruster; 18, pressing plate; 19, first motor; 20, positive and negative thread rod; 21, support beam; 22, second screw rod; 23, second motor; 24, slider; 25, support plate; 26, third motor; 27, worm gear; 28, worm; 29, cover body; 30, auxiliary frame; 31, first screw rod; 32, fourth motor; 33, driving block; 34, slide rail; 35, guide rail seat; 36, guide block; 37, protective plate; 38, horizontal displacement member; 39, lifter; 40, puncher; 41, leg; 42, waste chip collection box; 43, universal wheel; 44, brake; 45, handle. Detailed Embodiment

[0017] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0018] Please refer to Figures 1-11 , a punching device for processing the oil pan guard plate of an automobile, including a table 1, and further including: A carrying component, the carrying component includes a front-back moving part and a horizontal limiting part. A front-back moving part for driving the horizontal limiting part to move is arranged on the table 1. The horizontal limiting part includes a support frame 2, a centering part, a key rod, a first guide rod 3, a centering plate 4 and a side positioning part. The support frame 2 is in a U shape with an open front side. A key rod and a first guide rod 3 are arranged between the two side walls of the support frame 2. Two groups of symmetrically arranged centering plates 4 are further arranged in the support frame 2. The centering plates 4 are slidably connected to the key rod and the first guide rod 3. A centering part for driving the centering plates 4 to move is arranged on the support frame 2. A side positioning part is further arranged on the centering plate 4; At first, the front-back moving part drives the horizontal limiting part to move to the loading area. At this time, the distance between the two groups of centering plates 4 is relatively large. The centering part includes a first motor 19 and a left-right threaded rod 20. The left-right threaded rod 20 is rotatably arranged between the two side walls of the support frame 2. The output end of the first motor 19 penetrates through the support frame 2 and is connected to the left-right threaded rod 20. The centering plate 4 is provided with a threaded hole adapted to the left-right threaded rod 20. The first motor 19 drives the left-right threaded rod 20 to rotate. The two groups of centering plates 4 move towards each other synchronously through the threaded holes, and are guided by the key rod and the first guide rod 3 to horizontally center the guard plate in the support frame 2 until the two groups of side positioning parts abut against the side walls of the guard plate, and then the positioning of the guard plate is completed by adopting a pressing-down structure; The hinged frame 5 is in the shape of a 匚 with a rear opening, and the two free ends on the rear side of the hinged frame 5 are fixedly connected to the key rod. The front side of the centering plate 4 is also provided with a hinge groove, and the key rod passes through the hinge groove, and one end of the hinge rod 7 extends into the hinge groove and is connected to the key rod. A second guide rod 6 is also provided between the two side walls of the hinged frame 5, and the second guide rod 6 passes through the other end of the hinge rod 7. A driving member that drives the key rod to rotate is also provided on the outside of the support frame 2. The hinged frame 5 is fixedly connected to the key rod. As the driving member drives the key rod to rotate, the hinged frame 5 is adjusted The whole angle, at this time the hinge rod 7 also rotates with the hinge frame 5, the key rod includes a rotating shaft 10 and an arc key 11, and several groups of the arc keys 11 are arranged on the circumference of the rotating shaft 10, and the centering plate 4 is provided with a through hole adapted to the outer side of the key rod, and the hinge rod 7 is provided with a key hole adapted to the key rod, the key hole includes an arc hole and a circular hole, the arc hole is fitted with the outer wall of the arc key 11, and the diameter of the circular hole is larger than the diameter of the rotating shaft 10, and the key hole of the hinge rod 7 is divided into an arc hole (fitted with the arc key 11) and a circular hole (gap fitted with the rotating shaft 10), forming an annular chip removal space to avoid the influence of processing waste on the operation of the equipment. Similarly, the centering plate 4 and the first guide rod 3 adopt a clearance fit, the gap is smaller than the particle size of the debris, and the surface of the guide rod is blackened, and debris is difficult to adhere. Therefore, when the two sets of centering plates 4 move toward each other, the hinged rod 7 can slide on the key rod under the guidance of the second guide rod 6. According to needs, an air blowing system can be added to the table 1 to regularly clean the equipment on the table 1 to ensure the stability of the equipment operation and prevent debris from affecting the stable operation of the structure. During actual use, the hole-opening device includes a hole-opening assembly, side plates 8, and a top plate 9. On the left and right sides of the tabletop 1, two sets of side plates 8 are symmetrically arranged. Above the two sets of side plates 8, the top plate 9 is provided. The hole-opening assembly is arranged on the top plate 9. The tabletop 1 provides stable support for the two sets of side plates 8. Above the two sets of side plates 8, the top plate 9 is provided, and the top plate 9 provides stable support for the hole-opening assembly. The hole-opening assembly includes a horizontal displacement member 38, a lifter 39, and a punch 40. Below the top plate 9, a horizontal displacement member 38 that drives the punch 40 to move is provided. The output end of the lifter 39 penetrates through the top plate 9 and is connected to the horizontal displacement member 38. The lifter 39 can drive the horizontal displacement member 38 to lift. The lifter 39 can be a cylinder or a hydraulic cylinder. The horizontal displacement member 38 includes a motor, a screw, a mounting seat, and a lifting frame. The lifter 39 can drive the lifting frame to lift. The motor can drive the screw to rotate, thereby driving the movement of the mounting seat in the lifting frame. Below the mounting seat, a punch 40 is provided. The punch 40 includes a motor and a drill bit. The above-mentioned horizontal displacement member 38 and punch 40 are conventional structures on the market and will not be elaborated herein. According to requirements, the position of the punch 40 can be adjusted by adjusting the lifter 39 and the horizontal displacement member 38 for punching. During punching, the output end of the punch 40 will not interfere with the movement of the product or other parts of the equipment.

[0019] During actual use, the driving member stably supports and limits the hinged frame 5. To ensure that the hinged limiting member stably supports and fixes the upturned part of the guard plate, in this embodiment, the hinged limiting member further includes an auxiliary plate 12, a first thruster 13, a push plate 14, and an inclined block 15. The auxiliary plate 12 is provided on the cross beam at one end of the hinged frame 5 away from the support frame 2. The output end of the first thruster 13 penetrates through the auxiliary plate 12 and is connected to the push plate 14. The inclined block 15 is provided at one end of the push plate 14 away from the auxiliary plate 12. The first thruster 13 can be a hydraulic cylinder or a pneumatic cylinder. Supported by the auxiliary plate 12, the push plate 14 is horizontally arranged with the hinged frame 5. As the push plate 14 drives the inclined block 15 to feed, the end of the upturned part of the material is limited between the hinged rod 7 and the inclined block 15. The driving member includes a third motor 26, a worm gear 27, a worm 28, and a housing 29. The housing 29 is provided outside the support frame 2. The worm 28 and the worm gear 27 are arranged inside the housing 29. The worm 28 meshes with the worm gear 27. The key rod penetrates through the support frame 2 and the housing 29 and is connected to the center of the worm gear 27. The output end of the third motor 26 penetrates through the housing 29 and is connected to the worm 28. The third motor 26 is equipped with a Roots encoder. By stably driving the worm 28 to rotate, the worm gear 27 then drives the key rod to stably rotate to a certain angle and stop, enabling the hinged plate to stably support the upturned part of the guard plate. During actual use, the worm gear 27 and the worm 28 have good self-locking properties. In the self-locking state, the worm gear 27 and worm 28 pair can withstand an axial force ≥500N and a radial force ≥300N, ensuring that the hinged frame 5 has no displacement under the action of the punching impact force (usually ≤200N). During actual use, according to the specifications of the guard plate, a sloping platform can also be added to the table 1 to stably support the hinged frame 5. This hinged limiting member is used to stably cooperate with the horizontal limiting member to complete the positioning of the guard plate, that is, the bent part of the guard plate is stably supported by the centering plate 4 and the hinged rod 7.

[0020] During actual use, to avoid excessive extrusion of the bent part of the side wall of the guard plate, which may cause deformation and inaccurate equipment positioning, for this reason, the side positioning member includes a bracket 16 in the shape of a side-opening C, a second thruster 17, a pressing plate 18, a guiding block 36, and a protective plate 37. The bracket 16 is provided on the centering plate 4. The output end of the second thruster 17 penetrates through the top wall of the bracket 16 and is connected to the pressing plate 18. Above the bottom wall of the bracket 16, the top wall of the centering plate 4 and the top wall of the support frame 2 are flush. The guiding block 36 is provided on the protective plate 37. A guiding groove adapted to the guiding block 36 is provided on the side wall of the bracket 16. The guiding block 36 is in the shape of a T. According to requirements, the guiding block 36 with a corresponding specification protective plate 37 is inserted into the bracket 16. The protective plate 37 contacts the side wall edge of the product. At this time, the second thruster 17 is started, and the second thruster 17 drives the pressing plate 18 to press down, which can stably fix and clamp the horizontal bottom wall of the product.

[0021] During actual use, in order to further ensure the stability of product fixation, a rear positioning member is provided on the support frame 2. The rear positioning member includes a support beam 21, a second screw 22, a second motor 23, a slider 24, and a support plate 25. A sliding hole is provided on the support beam 21, and the second screw 22 is rotatably arranged in the sliding hole. The second screw 22 penetrates through the support beam 21 and the support frame 2 and is connected to the second motor 23. The slider 24 is slidably connected to the sliding hole, and the slider 24 is threadedly connected to the second screw 22. The top walls of the slider 24 and the support beam 21 are flush with the top wall of the support frame 2. A support plate 25 is further provided above the rear side of the slider 24. The key rod and the first guide rod 3 penetrate through the support beam 21. The slider 24 and the second screw 22 are both arranged above the double-threaded rod 20. According to the bending angle of the product, the driver is started to rotate the hinge frame 5 by a corresponding angle. The material is placed on the two centering plates 4 for centering and limiting. At this time, the material can slide back and forth. The second motor 23 is started, and the second motor 23 drives the second screw 22 to rotate. The slider 24 rotates on the support beam 21, and the slider 24 makes a linear feed under the limit of the sliding hole of the support beam 21. The support plate 25 abuts against the material until the hinge rod 7 abuts against the warped surface of the material. Then, through the first thruster 13, the first thruster 13 drives the push plate 14 and the inclined block 15 to squeeze the warped part of the material, completing the front and rear positioning of the material and realizing the limit support for the material to ensure the accuracy of punching.

[0022] In this embodiment, the front and rear moving member includes an auxiliary frame 30, a first screw 31, a fourth motor 32, a driving block 33, a slide rail 34, and a guide rail seat 35. Slide rails 34 are symmetrically arranged on the left and right sides of the table top 1. A guide rail seat 35 slidably connected to the slide rail 34 is provided below the support frame 2. Auxiliary frames 30 are further provided on the front and rear sides of the table top 1. The first screw 31 is rotatably arranged between the two auxiliary frames 30. The output end of the fourth motor 32 penetrates through one of the auxiliary frames 30 and is connected to the first screw 31. A driving block 33 is further provided on the bottom wall of the cross beam of the support frame 2. The driving block 33 is threadedly connected to the first screw 31. The motors of the above structures all adopt servo motors. The fourth motor 32 drives the first screw 31 to rotate. The guide rail seat 35 of the support frame 2 is slidably connected to the slide rail 34. The first screw 31 drives the driving block 33 to move horizontally, thereby driving the support frame 2 to move horizontally back and forth.

[0023] During actual use, legs 41 are provided at the four corners below the tabletop 1. There are hollow holes provided on the tabletop 1. The legs 41 provide stable support for the tabletop 1. A waste chip collection assembly is further provided below the tabletop 1. The waste chip collection assembly includes a waste chip collection frame 42 with an upper opening. Universal wheels 43 are provided at the four corners below the waste chip collection frame 42. A brake 44 is provided on the periphery of the universal wheels 43. A handle 45 is further provided at the rear side of the waste chip collection frame 42. By cooperating the handle 45 with the universal wheels 43, it is convenient to pull the waste chip collection frame 42 to a designated position, and then start the brake 44 to facilitate the fixation of the waste chip collection frame 42.

[0024] References to "embodiments" in this document mean that the specific features, structures, or characteristics described in connection with the embodiments can be included in at least one embodiment of the present application. The term "embodiment" that appears in various positions in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or relevance to other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.

[0025] Unless otherwise defined, the meanings of the technical terms used in this document are the same as those commonly understood by those skilled in the technical field to which the present application belongs; the use of the relevant terms in this document is only for describing specific embodiments and is not intended to limit the present application.

[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. An opening device for processing the engine oil pan guard plate of an automobile, including a tabletop, characterized in that, It further includes: A bearing component, the bearing component includes a front-back moving member and a horizontal limiting member. A front-back moving member for driving the horizontal limiting member to move is arranged on the tabletop. The horizontal limiting member includes a support frame, a centering member, a key rod, a first guiding rod, a centering plate and a side positioning member. The support frame is in a U-shape with an open front side. A key rod and a first guiding rod are arranged between the two side walls of the support frame. Two sets of symmetrically arranged centering plates are further arranged in the support frame. The centering plates are slidably connected to the key rod and the first guiding rod. A centering member for driving the centering plates to move is arranged on the support frame. A side positioning member is further arranged on the centering plates. A hinged limiting member, the hinged limiting member includes a driving member, a hinged frame, a second guiding rod and a hinged rod. The hinged frame is in a U-shape with an open rear side. The two free ends at the rear side of the hinged frame are fixedly connected to the key rod. A hinged groove is further arranged on the front side of the centering plate. The key rod penetrates through the hinged groove. One end of the hinged rod extends into the hinged groove and is connected to the key rod. A second guiding rod is further arranged between the two side walls of the hinged frame. The second guiding rod penetrates through the other end of the hinged rod. A driving member for driving the key rod to rotate is arranged outside the support frame. A hole-opening device, the hole-opening device includes a hole-opening component, side plates and a top plate. Two sets of side plates are symmetrically arranged on the left and right sides of the tabletop. The top plate is arranged above the two sets of side plates. The hole-opening component is arranged on the top plate.

2. The opening device for processing the engine oil sump guard plate of an automobile according to claim 1, wherein, The key rod includes a rotating shaft and an arc key. A number of groups of the arc keys are arranged on the circumference of the rotating shaft. A through hole adapted to the outer side of the key rod is arranged on the centering plate. A key hole adapted to the key rod is arranged on the hinged rod. The key hole includes an arc hole and a round hole. The arc hole is in fit with the outer wall of the arc key. The diameter of the round hole is larger than the diameter of the rotating shaft.

3. An opening device for processing the engine oil sump guard plate of an automobile according to claim 2, characterized in that, The hinged limiting member further includes an auxiliary plate, a first thruster, a push plate and an inclined block. The auxiliary plate is arranged on the cross beam at one end of the hinged frame away from the support frame. The output end of the first thruster penetrates through the auxiliary plate and is connected to the push plate. The inclined block is arranged at one end of the push plate away from the auxiliary plate.

4. The opening device for processing the engine oil sump guard plate of an automobile according to claim 3, characterized in that, The side positioning member includes a bracket in a U-shape with an open side, a second thruster, a pressing plate, a guiding block and a protection plate. The bracket is arranged on the centering plate. The output end of the second thruster penetrates through the top wall of the bracket and is connected to the pressing plate. Above the bottom wall of the bracket, the top wall of the centering plate and the top wall of the support frame are flush. The guiding block is arranged on the protection plate. A guiding groove adapted to the guiding block is arranged on the side wall of the bracket. The guiding block is in a T shape.

5. An opening device for processing the engine oil sump guard plate of an automobile according to claim 4, characterized in that, The centering member includes a first motor and a left-right threaded rod. The left-right threaded rod is rotatably arranged between the two side walls of the support frame. The output end of the first motor penetrates through the support frame and is connected to the left-right threaded rod. A threaded hole adapted to the left-right threaded rod is arranged on the centering plate.

6. The opening device for processing the engine oil sump guard plate of an automobile according to claim 5, characterized in that, A rear positioning member is further provided on the support frame. The rear positioning member includes a support beam, a second screw rod, a second motor, a slider, and a support plate. A sliding hole is provided on the support beam, and the second screw rod is rotatably arranged in the sliding hole. The second screw rod penetrates through the support beam and the support frame and is connected to the second motor. The slider is slidably connected to the sliding hole and is threadedly connected to the second screw rod. The top walls of the slider and the support beam are flush with the top wall of the support frame. A support plate is further provided above the rear side of the slider. The key rod and the first guide rod penetrate through the support beam. The slider and the second screw rod are both arranged above the double-threaded rod.

7. An opening device for processing the oil pan guard plate of an automobile according to claim 6, characterized in that, The driving member includes a third motor, a worm gear, a worm, and a housing. The housing is provided outside the support frame. The worm and the worm gear are arranged inside the housing. The worm is meshed with the worm gear. The key rod penetrates through the support frame and the housing and is connected to the center of the worm gear. The output end of the third motor penetrates through the housing and is connected to the worm.

8. An opening device for processing the engine oil sump guard plate of an automobile according to claim 7, characterized in that, The front-back moving member includes an auxiliary frame, a first screw rod, a fourth motor, a driving block, a slide rail, and a guide rail seat. Slide rails are symmetrically arranged on the left and right sides of the tabletop. A guide rail seat slidably connected to the slide rail is provided below the support frame. Auxiliary frames are further provided on the front and rear sides of the tabletop. The first screw rod is rotatably arranged between the two groups of auxiliary frames. The output end of the fourth motor penetrates through one group of auxiliary frames and is connected to the first screw rod. A driving block is further provided on the bottom wall of the cross beam of the support frame. The driving block is threadedly connected to the first screw rod.

9. The punching device for processing the engine oil sump guard plate of an automobile according to claim 8, characterized in that, The hole-opening assembly includes a horizontal displacement member, a lifter, and a hole puncher. A horizontal displacement member for driving the hole puncher to move is provided below the top plate. The output end of the lifter penetrates through the top plate and is connected to the horizontal displacement member.

10. An opening device for processing the engine oil sump guard plate of an automobile according to claim 9, characterized in that, Legs are provided at the four corners below the tabletop. A hollow hole is provided on the tabletop. A waste chip collection assembly is further provided below the tabletop. The waste chip collection assembly includes a waste chip collection box with an upper opening. Universal wheels are provided at the four corners below the waste chip collection box. A brake is provided on the periphery of the universal wheels. A handle is further provided on the rear side of the waste chip collection box.

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