Production system of side wall inner doorsill for automobile

Abstract

The invention relates to the technical field of automobile side wall inner doorsill machining, in particular to a production system of a side wall inner doorsill for an automobile. Comprising a feeding device, a leveling device, a guiding device, a first limiting device, a punching device, a hole detecting device, a second limiting device, a conveying device, a compression forming device, a straightening device and a cutting device, and the leveling device comprises a movable base, a fixed base, a plurality of upper leveling rollers, a plurality of upper leveling motors, a plurality of lower leveling rollers and a plurality of lower leveling motors; the straightening mechanism comprises a plurality of upper straightening rollers, a plurality of lower straightening rollers, a U-shaped base and a plurality of sliding grooves, and upper sliding bases and lower sliding bases are arranged in the sliding grooves in a sliding mode. According to the design, through the movable base, the fixed base, the upper leveling rollers, the lower leveling rollers, the upper leveling motor and the lower leveling motor, high-precision leveling of workpieces is achieved; and through the ingenious design of a U-shaped base, a sliding groove, an upper sliding base, a lower sliding base, an upper straightening roller and a lower straightening roller, the straightening precision is improved, and stress is effectively dispersed.

Description

Technical Field

[0001] The invention relates to the technical field of automobile side panel inner door sill processing, and in particular to a production system for automobile side panel inner door sill. Background Art

[0002] With the rapid development of the automobile industry, the manufacturing precision and efficiency requirements of automobile parts are increasing day by day. As an important part of the automobile body structure, the side inner sill has a complex shape and requires extremely high dimensional accuracy. The traditional side inner sill production process usually includes steps such as stamping, welding, leveling and cutting.

[0003] However, the existing technology has the following problems in the leveling and straightening links: first, the leveling equipment is not accurate enough, resulting in an uneven surface of the workpiece, affecting subsequent welding and assembly; second, stress concentration is easily generated during the straightening process, causing deformation or cracking of the workpiece, affecting product quality. Summary of the invention

[0004] The purpose of the present invention is to provide a production system for the inner door sill of the side panel of an automobile, aiming to solve the following problems existing in the prior art in the leveling and straightening links: first, the precision of the leveling equipment is insufficient, resulting in an uneven surface of the workpiece, affecting subsequent welding and assembly; second, stress concentration is easily generated during the straightening process, resulting in deformation or cracking of the workpiece, affecting the technical problem of product quality.

[0005] To achieve the above-mentioned purpose, the present invention adopts a production system for the inner door sill of the side panel of an automobile, including a material incoming device, a leveling device, a guiding device, a first limiting device, a punching device, a hole detection device, a second limiting device, a conveying device, a compression molding device, a straightening device and a cutting device. The leveling device includes a movable seat and a fixed seat. A plurality of upper leveling rollers are rotatably arranged in the movable seat. A plurality of upper leveling motors are arranged above the movable seat, and every two of the upper leveling rollers are connected to the corresponding upper leveling motors through a synchronous belt and a synchronous wheel. A plurality of lower leveling rollers are rotatably arranged on the fixed seat. A plurality of lower leveling rollers are arranged on the inner bottom of the fixed seat. Motor, and every two of the lower leveling rollers are connected to the corresponding lower leveling motor through a synchronous belt and a synchronous wheel, the straightening mechanism includes a plurality of upper straightening rollers, a plurality of lower straightening rollers and a U-shaped seat, and each of the lower straightening rollers is driven by the straightening motor, the inner sides of the U-shaped seat are provided with a plurality of slide grooves, an upper slide seat and a lower slide seat are slidably arranged in the slide grooves, the plurality of upper straightening rollers are respectively rotatably arranged between the corresponding two upper slide seats, the plurality of lower straightening rollers are respectively rotatably arranged between the corresponding two lower slide seats, and the upper straightening rollers are located directly above the lower straightening rollers, and the movable seat is arranged directly above the fixed seat through a first hydraulic cylinder.

[0006] Among them, the discharge end of the incoming material device is arranged at the feed end of the leveling device, the discharge end of the leveling device is arranged at the feed end of the guiding device, the discharge end of the guiding device is arranged at the feed end of the first limiting device, the discharge end of the first limiting device is arranged at the feed end of the punching device, the discharge end of the punching device is arranged at the feed end of the hole detection device, the discharge end of the hole detection device is arranged at the feed end of the second limiting device, the discharge end of the second limiting device is arranged at the feed end of the conveying device, the discharge end of the conveying device is arranged at the feed end of the compression molding device, the discharge end of the compression molding device is arranged at the feed end of the straightening device, and the discharge end of the straightening device is arranged at the feed end of the cutting device.

[0007] Among them, a threaded cylinder and two threaded sleeves are arranged on the upper sliding seat, a first screw rod is rotatably arranged above the sliding groove, and the first screw rod is threadedly arranged in the threaded cylinder. Two support blocks are arranged on the lower sliding seat, a second screw rod is rotatably arranged on the support block, and the second screw rod is threadedly connected with the corresponding threaded sleeve and is located in the threaded sleeve.

[0008] Among them, the incoming material device includes a rotating roller and a bracket. A plurality of second hydraulic cylinders are arranged on the outer side of the rotating roller, and a spreading plate is arranged at the output end of every two hydraulic cylinders. The rotating roller is rotatably connected with the bracket and is located on the bracket, and the rotating roller is driven by a rotating motor. The discharge end of the rotating roller is also arranged at the feed end of the plurality of upper leveling rollers and the plurality of lower leveling rollers.

[0009] Among them, the first limiting device includes a vertical frame and a horizontal frame, and the second limiting device has the same structure as the first limiting device. Limit switches are arranged on both inner sides of the vertical frame, a limiting roller is slidably arranged on one side of the vertical frame, and a plurality of support rollers are rotatably arranged in the horizontal frame. The vertical frame is fixedly connected with the horizontal frame and is located above the horizontal frame, and the plurality of support rollers are arranged at the feed end of the punching device.

[0010] Among them, the compression molding device includes a plurality of molding components and a bottom plate. The molding component includes an upper molding roller, a lower molding roller and two support frames. The lower molding roller is driven by a molding motor. A moving block and a fixed block are arranged in the support frame, and the moving block is slidably connected with the support frame through a third hydraulic cylinder. The upper molding roller is rotatably arranged in the moving block between the two support frames, the lower molding roller is rotatably arranged in the fixed block between the two support frames, and the upper molding roller is located directly above the lower molding roller. The two support frames are respectively fixedly connected with the bottom plate and are symmetrically arranged on the bottom plate. The discharge ends of the upper molding roller and the lower molding roller are arranged at the feed ends of the upper straightening roller and the lower straightening roller.

[0011] In which, the cutting equipment includes a top plate, a plurality of support rods and a base, two fourth hydraulic cylinders are arranged above the top plate, and cutting knives are arranged at the output ends of the two fourth hydraulic cylinders, a guide plate is arranged below the top plate, the guide plate has a guide groove, and the cutting knife extends into the guide groove, two partitions are arranged above the bottom plate, a first gap is provided between the two partitions for the cutting knife to pass through, a side panel inner sill mold is arranged below the two partitions, and a second gap is provided between the side panel inner sill mold and the two partitions for the side panel inner sill mold to pass through, the top plate is fixedly connected to the base through the support rods, and is located above the base, and the discharge ends of the plurality of upper straightening rollers and the plurality of lower straightening rollers are located at the feed ends of the second gaps.

[0012] A production system for an inner door sill of a side panel of an automobile according to the present invention comprises a material incoming device, a leveling device, a guiding device, a first limiting device, a punching device, a hole detection device, a second limiting device, a conveying device, a compression molding device, a straightening device and a cutting device, wherein the leveling device comprises a movable seat and a fixed seat, wherein a plurality of upper leveling rollers are rotatably arranged in the movable seat, a plurality of upper leveling motors are arranged above the movable seat, and every two of the upper leveling rollers are connected to the corresponding upper leveling motors through a synchronous belt and a synchronous wheel, a plurality of lower leveling rollers are rotatably arranged on the fixed seat, a plurality of lower leveling motors are arranged at the inner bottom of the fixed seat, and every two of the lower leveling rollers are connected to the corresponding lower leveling motors through a synchronous belt and a synchronous wheel, the straightening mechanism comprises a plurality of upper straightening rollers, a plurality of lower straightening rollers and a U-shaped seat, and each of the lower straightening rollers is driven by the straightening motor, and the inner sides of the U-shaped seat are provided with a plurality of slide grooves, and a plurality of slide grooves are provided for sliding in the slide grooves. An upper slide seat and a lower slide seat are provided. In the leveling link, the present design realizes high-precision leveling of the workpiece by setting the movable seat and the fixed seat, and equipping the upper leveling roller and the lower leveling roller respectively, and the corresponding upper leveling motor and the lower leveling motor, effectively avoiding the problem of uneven surface of the workpiece, and providing a good foundation for subsequent welding and assembly. In the straightening link, the ingenious design of the U-shaped seat, the slide groove, the upper slide seat, the lower slide seat, and the upper straightening roller and the lower straightening roller not only improves the straightening accuracy, but also effectively disperses the stress, avoids the deformation or cracking of the workpiece, thereby significantly improving the product quality. In this way, the following problems existing in the leveling and straightening links of the prior art are effectively solved: First, the precision of the leveling equipment is insufficient, resulting in an uneven surface of the workpiece, affecting subsequent welding and assembly; second, stress concentration is easily generated during the straightening process, resulting in deformation or cracking of the workpiece, affecting the technical problem of product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0014] Figure 1 is a flowchart of the production system of the inner sill of the side body for an automobile according to the present invention.

[0015] Figure 2 is a three-dimensional view of the incoming material equipment in the production system of the inner sill of the side body for an automobile according to the present invention.

[0016] Figure 3 is a three-dimensional view of the leveling equipment in the production system of the inner sill of the side body for an automobile according to the present invention.

[0017] Figure 4 is a three-dimensional view of the first limiting equipment in the production system of the inner sill of the side body for an automobile according to the present invention.

[0018] Figure 5 is a three-dimensional view of the compression molding equipment in the production system of the inner sill of the side body for an automobile according to the present invention.

[0019] Figure 6 is a three-dimensional view of the molding component in the production system of the inner sill of the side body for an automobile according to the present invention.

[0020] Figure 7 is a three-dimensional view of the straightening equipment in the production system of the inner sill of the side body for an automobile according to the present invention.

[0021] Figure 8 is the front view of the cutting equipment in the production system of the inner sill of the side body for an automobile according to the present invention.

[0022] Figure 9 is of the present invention Figure 8 The cross-sectional view taken along line A-A in

[0023] Figure 10 is a three-dimensional view of the straightening equipment in the production system of the inner sill of the side body for an automobile according to the present invention.

[0024] 1 - Incoming material equipment, 2 - Leveling equipment, 3 - Guiding equipment, 4 - First limiting equipment, 5 - Punching equipment, 6 - Hole detection equipment, 7 - Second limiting equipment, 8 - Conveying equipment, 9 - Compression molding equipment, 10 - Straightening equipment, 11 - Cutting equipment, 12 - Moving seat, 13 - Fixed seat, 14 - Upper leveling roller, 15 - Upper leveling motor, 16 - Synchronous belt, 17 - Synchronous pulley, 18 - Lower leveling roller, 19 - Lower leveling motor, 20 - Upper straightening roller, 21 - Lower straightening roller, 22 - U-shaped seat, 23 - Straightening motor, 24 - Slide groove, 25 - Upper sliding seat, 26 - Lower sliding seat, 27 - Threaded cylinder, 28 - Threaded sleeve, 29 - First screw rod, 30 - Support block, 31 - Second screw rod, 32 - Rotating roller, 33 - Bracket, 34 - Second hydraulic cylinder, 35 - Spreading plate, 36 - Vertical frame, 37 - Horizontal frame, 38 - Limit switch, 39 - Limit roller, 40 - Support roller, 41 - Bottom plate, 42 - Forming assembly, 43 - Upper forming roller, 44 - Lower forming roller, 45 - Support frame, 46 - Forming motor, 47 - Moving block, 48 - Fixed block, 49 - Third hydraulic cylinder, 50 - Top plate, 51 - Support rod, 52 - Base, 53 - Fourth hydraulic cylinder, 54 - Cutting knife, 55 - Guide plate, 56 - Guide groove, 57 - Partition board, 58 - First gap, 59 - Inner side sill mold of side wall, 60 - Second gap, 61 - Rotating motor, 62 - First hydraulic cylinder. Detailed implementation manners

[0025] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0026] Please refer to Figures 1 to 10The present invention provides a production system for the inner door sill of a side panel of an automobile, comprising a material supply device 1, a leveling device 2, a guiding device 3, a first limiting device 4, a punching device 5, a hole detection device 6, a second limiting device 7, a conveying device 8, a compression molding device 9, a straightening device 10 and a cutting device 11, wherein the leveling device 2 comprises a moving seat 12 and a fixed seat 13, wherein a plurality of upper leveling rollers 14 are rotatably arranged in the moving seat 12, a plurality of upper leveling motors 15 are arranged above the moving seat 12, and every two of the upper leveling rollers 14 are connected to the corresponding upper leveling motors 15 through a synchronous belt 16 and a synchronous wheel 17, a plurality of lower leveling rollers 18 are rotatably arranged on the fixed seat 13, a plurality of lower leveling motors 19 are arranged at the inner bottom of the fixed seat 13, and every two The lower leveling rollers 18 are connected to the corresponding lower leveling motors 19 through synchronous belts 16 and synchronous wheels 17. The straightening mechanism includes multiple upper straightening rollers 20, multiple lower straightening rollers 21 and U-shaped seats 22, and each lower straightening roller 21 is driven by a straightening motor 23. The inner sides of the U-shaped seats 22 have multiple slide grooves 24, and upper slide seats 25 and lower slide seats 26 are slidably arranged in the slide grooves 24. The multiple upper straightening rollers 20 are respectively rotatably arranged between the corresponding two upper slide seats 25, and the multiple lower straightening rollers 21 are respectively rotatably arranged between the corresponding two lower slide seats 26, and the upper straightening rollers 20 are located directly above the lower straightening rollers 21. The movable seat 12 is arranged directly above the fixed seat 13 through the first hydraulic cylinder 62.

[0027] In this embodiment, by integrating the incoming material equipment 1, the leveling equipment 2, the guiding equipment 3, the first limiting equipment 4, the second limiting equipment 7, the punching equipment 5, the hole detection equipment 6, the conveying equipment 8, the compression molding equipment 9, the straightening equipment 10 and the cutting equipment 11, a highly automated and continuous production line is formed. In particular, the leveling equipment 2 adopts the design of the movable seat 12 and the fixed seat 13, combined with the upper leveling roller 14 and the lower leveling roller 18 and the corresponding motor drive, which ensures the stability and precision of the workpiece during the leveling process and lays a solid foundation for subsequent processing. The design of the straightening mechanism realizes effective straightening of the workpiece through the pairing of the upper straightening roller 20 and the lower straightening roller 21, as well as the adjustment mechanism of the U-shaped seat 22 and the slide trough 24, thereby improving the overall quality and consistency of the product.

[0028] Further, the discharge end of the incoming material device 1 is arranged at the feeding end of the leveling device 2, the discharge end of the leveling device 2 is arranged at the feeding end of the guiding device 3, the discharge end of the guiding device 3 is arranged at the feeding end of the first limiting device 4, the discharge end of the first limiting device 4 is arranged at the feeding end of the punching device 5, the discharge end of the punching device 5 is arranged at the feeding end of the hole detection device 6, the discharge end of the hole detection device 6 is arranged at the feeding end of the second limiting device 7, the discharge end of the second limiting device 7 is arranged at the feeding end of the conveying device 8, the discharge end of the conveying device 8 is arranged at the feeding end of the compression molding device 9, the discharge end of the compression molding device 9 is arranged at the feeding end of the straightening device 10, and the discharge end of the straightening device 10 is arranged at the feeding end of the cutting device 11.

[0029] In this embodiment, by precisely arranging the feeding and discharging ends of each device, the smooth flow of materials on the production line is ensured, material accumulation and waiting time are avoided, production efficiency is improved. At the same time, this layout also helps to reduce manual intervention, reducing production costs and safety risks.

[0030] Further, a threaded cylinder 27 and two threaded sleeves 28 are arranged on the upper sliding seat 25. Above the sliding groove 24, a first screw rod 29 is rotatably arranged, and the first screw rod 29 is threadedly arranged in the threaded cylinder 27. Two supporting blocks 30 are arranged on the lower sliding seat 26. A second screw rod 31 is rotatably arranged on the supporting block 30, and the second screw rod 31 is threadedly connected to the corresponding threaded sleeve 28 and is located within the threaded sleeve 28.

[0031] In this embodiment, the upper sliding seat 25 and the lower sliding seat 26 of the present design achieve precise adjustment of the distance between the upper straightening roller 20 and the lower straightening roller 21 through the adjustment mechanism of the threaded cylinder 27, the threaded sleeve 28, the first screw rod 29, and the second screw rod 31, thereby meeting the straightening requirements of workpieces of different sizes and specifications. This design not only improves the flexibility of the device but also ensures the stability and accuracy of the straightening process.

[0032] Further, the incoming material device 1 includes a rotating roller 32 and a bracket 33. A plurality of second hydraulic cylinders 34 are arranged on the outer side of the rotating roller 32, and a spreading plate 35 is arranged at the output end of every two hydraulic cylinders. The rotating roller 32 is rotatably connected to the bracket 33 and is located on the bracket 33. The rotating roller 32 is driven by a rotating motor 61, and the discharge end of the rotating roller 32 is also arranged at the feeding end of the plurality of upper leveling rollers 14 and the plurality of lower leveling rollers 18.

[0033] In this embodiment, through the design of the rotating roller 32, the bracket 33, the second hydraulic cylinder 34 and the spreading plate 35, the effective unfolding and conveying of the raw materials are realized, providing a flat and stable material basis for subsequent processing. At the same time, the driving of the rotating motor 61 of the rotating roller 32 ensures the continuity and stability of the material conveying, improving the overall efficiency of the production line.

[0034] Further, the first limiting device 4 includes a vertical frame 36 and a horizontal frame 37, and the second limiting device 7 has the same structure as the first limiting device 4. Limit switches 38 are arranged on both inner sides of the vertical frame 36, a limiting roller 39 is slidably arranged on one side of the vertical frame 36, a plurality of supporting rollers 40 are rotatably arranged in the horizontal frame 37, the vertical frame 36 is fixedly connected to the horizontal frame 37 and is located above the horizontal frame 37, and the plurality of supporting rollers 40 are arranged at the feeding end of the punching device 5.

[0035] In this embodiment, through the design of the vertical frame 36, the horizontal frame 37, the limit switches 38, the limiting roller 39 and the supporting rollers 40, the precise positioning and support of the workpiece on the production line are realized, avoiding the offset and deformation of the workpiece during the processing, and improving the processing precision and quality of the product.

[0036] Further, the compression molding device 9 includes a plurality of molding components 42 and a bottom plate 41. The molding component 42 includes an upper molding roller 43, a lower molding roller 44 and two support frames 45. The lower molding roller 44 is driven by a molding motor 46. A moving block 47 and a fixed block 48 are arranged in the support frame 45, and the moving block 47 is slidably connected to the support frame 45 through a third hydraulic cylinder 49. The upper molding roller 43 is rotatably arranged in the moving block 47 between the two support frames 45, the lower molding roller 44 is rotatably arranged in the fixed block 48 between the two support frames 45, and the upper molding roller 43 is located directly above the lower molding roller 44. The two support frames 45 are respectively fixedly connected to the bottom plate 41 and are symmetrically arranged on the bottom plate 41. The discharging ends of the upper molding roller 43 and the lower molding roller 44 are arranged at the feeding ends of the upper straightening roller 20 and the lower straightening roller 21.

[0037] In this embodiment, through the design of the plurality of molding components 42 and the bottom plate 41, combined with the pairing of the upper molding roller 43 and the lower molding roller 44 and the driving of the third hydraulic cylinder 49, the effective compression molding of the workpiece is realized, meeting the processing requirements of complex-shaped workpieces such as the inner sill of the side panel. At the same time, this design also helps to improve the strength and rigidity of the product, ensuring its safety and reliability during the use of the vehicle.

[0038] Further, the cutting device 11 includes a top plate 50, a plurality of support rods 51 and a base 52. Above the top plate 50, two fourth hydraulic cylinders 53 are provided, and a cutting knife 54 is provided at the output ends of the two fourth hydraulic cylinders 53. Below the top plate 50, a guide plate 55 is provided. The guide plate 55 has a guide groove 56, and the cutting knife 54 extends into the guide groove 56. Above the bottom plate 41, two partition plates 57 are provided. There is a first gap 58 for the cutting knife 54 to pass through between the two partition plates 57. Below the two partition plates 57, an inner side sill mold 59 is provided. There is a second gap 60 for the inner side sill mold 59 to pass through between the inner side sill mold 59 and the two partition plates 57. The top plate 50 is fixedly connected to the base 52 through the support rods 51 and is located above the base 52. The discharge ends of the plurality of upper straightening rollers 20 and the plurality of lower straightening rollers 21 are located at the feed end of the second gap 60.

[0039] In this embodiment, through the design of the top plate 50, the support rods 51, the base 52, the fourth hydraulic cylinders 53 and the cutting knife 54, efficient and precise cutting of workpieces is achieved, meeting the processing requirements of workpieces of different sizes and specifications. At the same time, the design of the guide plate 55 and the guide groove 56 ensures the stability and accuracy of the cutting knife 54 during the cutting process, avoiding workpiece damage and cutting errors. In addition, the design of the inner side sill mold 59 and the second gap 60 helps to ensure that the cut workpieces meet the design requirements, improving the overall quality and consistency of the product.

[0040] In the present invention, the guiding device 3, the punching device 5, the hole detection device 6 and the conveying device 8 are all prior arts. Among them, the guiding device 3 can adopt FANUC M-710iC / 50 in a roller guiding machine, SICK LMS511 in a laser guiding system or Bosch Rexroth TS 5 in an air floating guide rail system; the punching device 5 can adopt Trumpf TruPunch5000 in a numerical control hydraulic punching machine, Amada EMK3610NT in a servo electric punching machine or Murata Machinery Wiedemann Alpha 3 in a multi-station turret punching machine; the hole detection device 6 can adopt the Keyence CV-X series or Cognex In-Sight 8000 in a machine vision system, and the Hexagon AbsoluteArm 7-axis measuring arm in a laser scanner; the conveying device 8 can adopt a servo-driven roller path, the Beckhoff XTS magnetic levitation conveying line in a magnetic levitation conveying system or the Festo DGST in a chain plate conveyor.

[0041] In the present invention, first, the incoming material device 1 fixes the raw material by using the rotating roller 32 and the spreading plate 35, and unfolds the raw material when rotating. Then, one end of the raw material is fed into the leveling device 2 by driving through the rotating motor 61. In the leveling device 2, the upper leveling roller 14 and the lower leveling roller 18 on the moving seat 12 and the fixed seat 13 are respectively driven by the upper leveling motor 15 and the lower leveling motor 19, and achieve synchronous rotation through the synchronous belt 16 and the synchronous pulley 17 to precisely level the raw material. Subsequently, the raw material passes through the guiding device 3 and the first limiting device 4 to ensure stable entry into the punching device 5 for punching operations. The hole detection device 6 then detects the punching quality. After passing the detection, it enters the second limiting device 7. Then, the conveying device 8 sends the workpiece to the compression molding device 9. Through the pairing of the upper molding roller 43 and the lower molding roller 44 and the drive of the third hydraulic cylinder 49, the compression molding of the workpiece is achieved. The molded workpiece enters the straightening device 10. The upper straightening roller 20 and the lower straightening roller 21 adjust the spacing through the upper sliding seat 25 and the lower sliding seat 26 in the U-shaped seat 22 and the chute 24 to precisely straighten the workpiece. Finally, the cutting device 11 uses the cutting knife 54 driven by the fourth hydraulic cylinder 53 to precisely cut the workpiece under the guidance of the guiding plate 55 to obtain a side inner sill product that meets the requirements. The entire production process is highly automated, and the devices cooperate closely with each other to ensure production efficiency and product quality.

[0042] The above-disclosed is only a preferred embodiment of the present invention. Of course, it cannot be used to limit the scope of the rights of the present invention. Those of ordinary skill in the art can understand the whole or part of the processes of the above embodiments, and the equivalent changes made according to the claims of the present invention still fall within the scope covered by the invention.

Claims

1. A production system for a side sill of an automobile, characterized in that: The invention comprises a material supply device, a leveling device, a guiding device, a first limiting device, a punching device, a hole detection device, a second limiting device, a conveying device, a compression molding device, a straightening device and a cutting device. The leveling device comprises a movable seat and a fixed seat. A plurality of upper leveling rollers are rotatably arranged in the movable seat. A plurality of upper leveling motors are arranged above the movable seat, and every two of the upper leveling rollers are connected to the corresponding upper leveling motors through a synchronous belt and a synchronous wheel. A plurality of lower leveling rollers are rotatably arranged on the fixed seat. A plurality of lower leveling motors are arranged at the inner bottom of the fixed seat, and every two of the lower leveling rollers are connected to the corresponding upper leveling motors through a synchronous belt and a synchronous wheel. The synchronous belt and the synchronous wheel are connected to the corresponding lower leveling motor. The straightening mechanism includes multiple upper straightening rollers, multiple lower straightening rollers and a U-shaped seat, and each of the lower straightening rollers is driven by the straightening motor. The inner sides of the U-shaped seat have multiple slide grooves, and an upper slide seat and a lower slide seat are slidably arranged in the slide grooves. The multiple upper straightening rollers are respectively rotatably arranged between the corresponding two upper slide seats, and the multiple lower straightening rollers are respectively rotatably arranged between the corresponding two lower slide seats, and the upper straightening rollers are located directly above the lower straightening rollers. The movable seat is arranged directly above the fixed seat through the first hydraulic cylinder.

2. The production system of the side inner door sill for automobile according to claim 1, characterized in that: The discharging end of the incoming material equipment is arranged at the feeding end of the leveling equipment, the discharging end of the leveling equipment is arranged at the feeding end of the guiding equipment, the discharging end of the guiding equipment is arranged at the feeding end of the first limiting equipment, the discharging end of the first limiting equipment is arranged at the feeding end of the punching equipment, the discharging end of the punching equipment is arranged at the feeding end of the hole detection equipment, the discharging end of the hole detection equipment is arranged at the feeding end of the second limiting equipment, the discharging end of the second limiting equipment is arranged at the feeding end of the conveying equipment, the discharging end of the conveying equipment is arranged at the feeding end of the compression molding equipment, the discharging end of the compression molding equipment is arranged at the feeding end of the straightening equipment, and the discharging end of the straightening equipment is arranged at the feeding end of the cutting equipment.

3. The production system of the side inner door sill for automobile according to claim 2, characterized in that: A threaded barrel and two threaded sleeves are provided on the upper slide seat, a first screw is rotatably provided above the slide groove, and the first screw is threadably provided in the threaded barrel, two support blocks are provided on the lower slide seat, a second screw is rotatably provided on the support block, and the second screw is threadably connected to the corresponding threaded sleeve and is located in the threaded sleeve.

4. The production system of the automobile side inner door sill according to claim 3, characterized in that: The incoming material equipment includes a rotating roller and a bracket, a plurality of second hydraulic cylinders are arranged on the outer side of the rotating roller, and a support plate is arranged at the output end of every two of the hydraulic cylinders, the rotating roller is rotatably connected to the bracket and is located on the bracket, and the rotating roller is driven by a rotating motor, and the discharging end of the rotating roller is also arranged at the feeding end of the plurality of upper leveling rollers and the plurality of lower leveling rollers.

5. The production system of the side inner door sill for automobile according to claim 4, characterized in that: The first limiting device includes a vertical frame and a horizontal frame, and the second limiting device has the same structure as the first limiting device. Limit switches are arranged on both inner sides of the vertical frame, a limit roller is slidably arranged on one side of the vertical frame, and a plurality of supporting rollers are rotatably arranged in the horizontal frame. The vertical frame is fixedly connected to the horizontal frame and is located above the horizontal frame. The plurality of supporting rollers are arranged at the feed end of the punching device.

6. The production system of the automobile side inner door sill according to claim 5, characterized in that: The compression molding equipment includes multiple molding components and a base plate, the molding components include an upper molding roller, a lower molding roller and two support frames, and the lower molding roller is driven by a molding motor, a moving block and a fixed block are arranged in the support frame, and the moving block is slidably connected to the support frame through a third hydraulic cylinder, the upper molding roller is rotatably arranged in the moving block between the two support frames, the lower molding roller is rotatably arranged in the fixed block between the two support frames, and the upper molding roller is located directly above the lower molding roller, the two support frames are respectively fixedly connected to the base plate and symmetrically arranged on the base plate, and the discharge ends of the upper molding roller and the lower molding roller are arranged at the feed ends of the upper straightening roller and the lower straightening roller.

7. The production system of the automobile side inner door sill according to claim 6, characterized in that: The cutting equipment includes a top plate, a plurality of support rods and a base, two fourth hydraulic cylinders are arranged above the top plate, and cutting knives are arranged at the output ends of the two fourth hydraulic cylinders, a guide plate is arranged below the top plate, the guide plate has a guide groove, and the cutting knife extends into the guide groove, two partitions are arranged above the bottom plate, a first gap is provided between the two partitions for the cutting knife to pass through, a side panel inner sill mold is arranged below the two partitions, and a second gap is provided between the side panel inner sill mold and the two partitions for the side panel inner sill mold to pass through, the top plate is fixedly connected to the base through the support rods, and is located above the base, and the discharge ends of the plurality of upper straightening rollers and the plurality of lower straightening rollers are located at the feed ends of the second gap.

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