A stamping forming equipment for automobile body parts

Abstract

The present invention discloses a stamping and forming device for automobile body parts, and relates to the technical field of automobile parts processing. The stamping and forming device comprises a stamping outer frame, a lower die assembly and an upper die assembly, wherein the lower die assembly comprises a lower die stamping table, a lower die and a centering module; the lower die stamping table is also provided with a flipping and unloading mechanism which is in a relative position with the centering module, and the flipping and unloading mechanism comprises a main frame, a lower clamping plate, a flipping rod shaft, an upper pressing part and a release driving part, when the upper pressing part is at the lower side of the flipping rod shaft, the release driving part is connected with the upper pressing part and the release driving part drives the upper pressing part to rotate around the connection between the upper pressing part and the main frame; a roller conveying part is also provided on one side of the stamping outer frame close to the flipping and unloading mechanism. The present invention has a simple structure, accurate positioning of the stamped plate and stable clamping, and after the stamping is completed, the flipping and unloading mechanism is used to flip the stamped plate to one side and realize automatic unloading, which is convenient to operate and has high processing efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of automobile parts processing, in particular to a stamping forming device for automobile body parts. Background Art

[0002] The automobile production process requires the use of special sheet metal parts, and the stamping of automobile body parts is a vital part of the automobile manufacturing process. With the continuous advancement and innovation of technology, the stamping technology of automobile body parts will continue to develop in the direction of high efficiency, precision and environmental protection.

[0003] When existing automobile parts stamping equipment is used to stamp sheet metal, the protruding part produced by the sheet metal stamping is usually on the lower surface and recessed inside the lower mold. Therefore, it is necessary to use an ejector component arranged inside the lower mold or to use manual or robotic material removal methods to remove the stamped sheet metal. The operation is relatively cumbersome and easily increases the structural complexity of the stamping equipment. Summary of the invention

[0004] The object of the present invention is to provide a stamping forming device for automobile body parts to solve the problems raised in the background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A stamping and forming equipment for automobile body parts, comprising a stamping outer frame, a lower die assembly and an upper die assembly, wherein the lower die assembly is arranged on the stamping outer frame and is in a relative position to the upper die assembly, a stamping cylinder part is arranged on the top of the stamping outer frame and the lower end of the stamping cylinder part is connected to the upper die assembly, the lower die assembly comprises a lower die stamping platform, a lower die and a centering module, the lower die stamping platform is fixedly connected to the stamping outer frame and a lower die mounting groove for mounting the lower die is provided in the middle position of the lower die stamping platform, the centering module is arranged on one side of the lower die stamping platform and the centering module is used to guide the plate placed on the upper side of the lower die to the middle position, and a reserved supporting groove is provided on the opposite side of the lower die stamping platform; a flipping and blanking mechanism which is in a relative position to the centering module is also arranged on the lower die stamping platform and the flipping and blanking mechanism comprises a main frame, a lower clamping plate, a flipping rod shaft, an upper pressing part and a release driving part, and the flipping rod shaft is rotatably mounted on the lower die The cam is connected to the bottom surface of the lower die plate, and the ...

[0007] On the basis of the above technical solution, the present invention also provides the following optional technical solution:

[0008] In an optional scheme: the upper pressure part includes an extension plate body, an upper pressure shaft and an upper pressure plate, both ends of the upper pressure shaft are rotatably connected to the outer wall of the main frame through spring bearings, one side of the extension plate body is fixed on the upper pressure shaft and the other side extends to the upper side of the lower clamping plate, the upper pressure plate is fixed to the end of the extension plate body extending to the upper side of the lower clamping plate and the upper pressure plate is tilted upward toward the side of the lower die stamping platform; the end of the upper pressure shaft is provided with a driving connection part and the driving connection part can be connected to the release driving part.

[0009] In an optional scheme: the driving connection part is a gear, and the release driving part includes a fixed bar and an arc-shaped rack, the fixed bar is fixed to the bottom of the lower die stamping table and the arc-shaped rack is located on the side of the flip rod shaft, one end of the arc-shaped rack is fixedly connected to one end of the fixed bar and the center of the arc-shaped rack is located on the axis of the flip rod shaft, and the arc-shaped rack can engage with the driving connection part.

[0010] In an optional scheme: the centering module includes a centering rotating shaft portion and two centering slides, the two centering slides are respectively slidably arranged on the side portions of the lower die stamping platform in a symmetrical manner, the upper surface of the centering slide is flush with the upper surface of the lower die stamping platform and a centering roller body is rotatably arranged on each centering slide, the centering rotating shaft portion is rotatably arranged on the side portion of the lower die stamping platform through a spring bearing and a centering gear is arranged on the centering rotating shaft portion, the two centering slides are respectively provided with a centering extension rod and the two centering extension rods extend from the ends of the centering slides to the centering rotating shaft portion, the centering extension rods are provided with a centering rack, and the two centering racks are respectively located on both sides of the centering gear and meshed with it.

[0011] In an optional scheme: a lower notch is opened on the bottom wall of the lower die mounting groove and an ejection module is arranged at the bottom of the lower die stamping platform, the ejection module includes an ejection shaft, a top frame part and a top roller part, the ejection shaft is rotatably arranged at the bottom of the lower die stamping platform and the top frame part is fixed on the ejection shaft, a top roller part is rotatably arranged on the top frame part and the top roller part is opposite to the lower notch, and an ejection hand wheel is arranged at one end of the ejection shaft.

[0012] In an optional scheme: the upper mold assembly includes an upper mold base and an upper mold, the end face of the upper mold base facing the lower mold has an upper mold mounting cavity and the top surface of the upper mold base is provided with a mounting reserved hole connected to the upper mold mounting cavity, and an upper screw is provided on the back side of the upper mold. When the upper mold is in the upper mold mounting cavity, the upper screw passes through the mounting reserved hole and is fastened by the nut part.

[0013] In an optional scheme: a tail pressing piece and two protrusions are provided on one side of the upper mold platform facing the centering module, the tail pressing piece includes an upper strip, a lower pressing strip and two lower pressing movable rods, the two lower pressing movable rods are slidably arranged on the two protrusions, the upper strip is arranged at the top of the lower pressing movable rod and the two ends of the upper strip are respectively fixedly connected to the tops of the two lower pressing movable rods, the upper strip is connected to the protrusions by a lower pressing spring piece, the lower pressing strip is located at the lower side of the lower pressing movable rod and the two ends of the lower pressing strip are respectively fixedly connected to the bottoms of the two lower pressing movable rods.

[0014] In an optional solution: a touch switch part is also provided on the top of the stamping outer frame and the touch switch part is opposite to the tail pressing piece. When the tail pressing piece moves up and returns to the initial position, the touch switch part contacts the top of the tail pressing piece and the touch switch part is also electrically connected to the flip motor part.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. When the sheet to be punched is placed between the lower die assembly and the upper die assembly in the present invention, automatic centering can be achieved through the centering assembly, and then the front end of the sheet to be punched is clamped by turning over the blanking mechanism, so that accurate positioning and clamping can be achieved.

[0017] 2. After the stamping is completed in the present invention, the flip rod shaft drives the main frame, the lower clamping plate and the upper pressure part to rotate toward the outer side of the lower die stamping table and drives the stamped plate to rotate. The stamped plate is flipped to the roller conveying part and the upper pressure part releases the plate. Under the action of the roller conveying part, the stamped plate is separated from the flipping and unloading mechanism and automatic unloading is realized.

[0018] 3. The present invention has a simple structure, and the stamped plate is accurately positioned and firmly clamped. After the stamping is completed, the stamped plate is flipped to one side by a flipping and unloading mechanism to realize automatic unloading, which is convenient to operate and has high processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic structural diagram of a stamping and forming device from one perspective in one embodiment of the present invention.

[0020] Figure 2 It is a schematic structural diagram of the stamping and forming equipment in another perspective in one embodiment of the present invention.

[0021] Figure 3 It is a schematic diagram of the structure of the lower mold assembly in one embodiment of the present invention.

[0022] Figure 4 It is a schematic diagram of the structure of the flipping and unloading mechanism in one embodiment of the present invention.

[0023] Figure 5 The figure is a schematic diagram of the centering module structure in one embodiment of the present invention.

[0024] Figure 6 It is a schematic diagram of the structure of an ejection module in one embodiment of the present invention.

[0025] Figure 7 This is a schematic structural diagram of an upper mold assembly from one perspective in an embodiment of the present invention.

[0026] Figure 8 This is a schematic structural diagram of the upper mold assembly from another perspective in an embodiment of the present invention.

[0027] Notes on the accompanying drawings: stamping outer frame 100, lower die assembly 200, lower die stamping platform 210, lower die mounting groove 211, lower notch 212, reserved supporting groove 213, lower die 220, centering module 230, centering slide 231, centering roller body 232, centering rotating shaft 233, centering gear 234, centering extension rod 235, centering rack 236, ejection module 240, ejection rotating shaft 241, ejector frame 242, ejector roller 243, ejection hand wheel 244, upper die assembly 300, upper die platform 310, protruding portion 311 , upper mold 320, upper screw 321, upper mold mounting cavity 330, tail pressing piece 340, pressing movable rod 341, upper strip 342, lower strip 343, pressing spring piece 344, stamping cylinder part 400, touch switch part 410, roller conveying part 500, flipping and unloading mechanism 600, main frame 610, lower clamping plate 620, flip rod shaft 630, flip motor part 640, extension plate 650, upper pressing shaft 660, drive connection part 661, upper pressing plate 670, fixing bar 680, arc rack 690. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments; in the drawings or descriptions, similar or identical parts use the same reference numerals, and in practical applications, the shape, thickness or height of each component can be enlarged or reduced. The various embodiments listed in the present invention are only used to illustrate the present invention and are not used to limit the scope of the present invention. Any obvious modifications or changes made to the present invention do not depart from the spirit and scope of the present invention.

[0029] The left, right, up, and down positions of the various components given in the drawings are only one arrangement method, and the specific positions are set according to specific needs.

[0030] In one embodiment, Figure 1-Figure 4As shown, a stamping forming device for automobile body parts includes a stamping outer frame 100, a lower die assembly 200 and an upper die assembly 300, wherein the lower die assembly 200 is arranged on the stamping outer frame 100 and is in a relative position to the upper die assembly 300, a stamping cylinder part 400 is arranged on the top of the stamping outer frame 100, and the lower end of the stamping cylinder part 400 is connected to the upper die assembly 300, the lower die assembly 200 includes a lower die stamping table 210, a lower die 220 and a centering module 230, the lower die stamping table 210 is fixedly connected to the stamping outer frame 100 and ... 0 has a lower die installation groove 211 for installing the lower die 220 in the middle position, the centering module 230 is arranged on one side of the lower die stamping platform 210 and the centering module 230 is used to guide the plate placed on the upper side of the lower die 220 to the middle position, and the lower die stamping platform 210 has a reserved supporting groove 213 on the opposite side; the lower die stamping platform 210 is also provided with a flipping blanking mechanism 600 in a relative position to the centering module 230, and the flipping blanking mechanism 600 includes a main frame 610, a lower clamping plate 620, a flipping rod shaft 630, an upper pressing part and a release driving part, and the flipping rod shaft 630 is rotatably mounted on the side of the lower die stamping platform 210 and one end of the flip rod shaft 630 is connected to the flip motor part 640, the main frame 610 is located on the side of the lower die stamping platform 210 and the bottom edge of the main frame 610 is fixedly connected to the flip rod shaft 630, the lower clamping plate 620 is arranged on the end surface of the main frame 610 facing the lower die stamping platform 210, the lower clamping plate 620 can be inserted into the reserved supporting groove 213 and when the lower clamping plate 620 is in the reserved supporting groove 213, the upper surface of the lower clamping plate 620 is flush with the upper surface of the lower die stamping platform 210; the upper pressing part is arranged on the main frame 610 The lower end of the upper pressing part is rotatably connected to the outer wall of the main frame 610 through a spring bearing and the top of the upper pressing part extends to the upper side of the lower clamping plate 620. The release driving part is arranged on one side of the bottom of the lower die stamping table 210. When the upper pressing part is at the lower side of the flip rod shaft 630, the release driving part is connected to the upper pressing part and the release driving part drives the upper pressing part to rotate around the connection between it and the main frame 610. A roller conveying part 500 is also provided on one side of the stamping outer frame 100 close to the flipping and unloading mechanism 600. The roller conveying part 500 is used to support and convey the stamping formed plate flipped to one side of the lower die stamping table 210.

[0031] In the embodiment of the present invention, in the initial state, the upper die assembly 300 is away from the lower die assembly 200 under the action of the stamping cylinder part 400, and the upper pressing part and the main frame 610 are both on the upper side of the flip rod shaft 630, and the plate to be stamped is pushed onto the lower die stamping table 210 from the side where the centering module 230 is located, and the centering module 230 acts on both sides of the plate and guides it to the middle position, and the end of the plate close to the flipping and unloading mechanism 600 is pushed between the upper pressing part and the lower clamping plate 620, and the upper pressing part can press the side of the plate; at this time, the punch The pressing cylinder part 400 works and drives the upper die assembly 300 to move downward, the upper die assembly 300 presses down the plate on the lower die stamping platform 210, and the upper die assembly 300 cooperates with the lower die 220 to stamp the plate, and the plate is formed under the stamping action; after the stamping is completed, the upper die assembly 300 moves upward under the action of the stamping cylinder part 400 and the upper die assembly 300 moves back to the initial position, the flip motor part 640 starts to work and the flip motor part 640 drives the flip rod shaft 630 to rotate, and the flip rod shaft 630 drives the main frame 610, The lower clamping plate 620 and the upper pressing part rotate toward the outer side of the lower die stamping table 210 and drive the stamped sheet metal to rotate. When the main frame 610 and the upper pressing part rotate to the lower side of the flip rod shaft 630, the stamped sheet metal rotates to the side of the lower die stamping table 210 and gradually rotates to the upper side of the roller conveying part 500. The upper pressing part begins to contact and connect with the release driving part. The release driving part drives the upper pressing part to rotate around the connection between it and the main frame 610, and then the upper pressing part gradually moves away from the lower clamping plate 620, so that the upper pressing part gradually no longer presses the stamped sheet metal. The stamped sheet metal parts are rotated onto the roller conveying part 500 and separated from between the main frame 610 and the upper pressure part under the conveyance of the roller conveying part 500, thereby realizing automatic unloading; after the unloading of the stamped sheet metal parts is completed, the flipping motor part 640 drives the flipping rod shaft 630 to rotate, and then the main frame 610, the lower clamping plate 620 and the upper pressure part rotate to the initial position; wherein, the spring bearing is a structure in which a spring is installed between the inner ring and the outer ring of the bearing, and under the elastic action of the spring, the top of the upper pressure part can always maintain a tight state against the side of the sheet metal part.

[0032] In one embodiment, Figure 1-Figure 4As shown, the upper pressure part includes an extension plate body 650, an upper pressure shaft 660 and an upper pressure plate 670, and both ends of the upper pressure shaft 660 are rotatably connected to the outer wall of the main frame 610 through spring bearings. One side of the extension plate body 650 is fixed on the upper pressure shaft 660 and the other side extends to the upper side of the lower clamping plate 620. The upper pressure plate 670 is fixed to the end of the extension plate body 650 extending to the upper side of the lower clamping plate 620, and the upper pressure plate 670 is tilted upward toward the side of the lower die stamping table 210; the end of the upper pressure shaft 660 is provided with a driving connection part 661 and the driving connection part 661 can be connected to the release driving part; in the embodiment of the present invention, in the initial state, the spring bearing always maintains a certain rotational driving force on the upper pressure shaft 660 The force, the extended plate body 650 has a tendency to rotate toward the side of the lower die stamping platform 210, so that the upper pressure plate 670 can press the side of the plate, and the upper pressure plate 670 is tilted upward near the side of the lower die stamping platform 210, which can facilitate the insertion of the plate into the space between the upper pressure plate 670 and the lower clamping plate 620; when the main frame 610 rotates to the lower side of the flip rod shaft 630, the release drive part contacts the drive connection part 661 and drives the drive connection part 661 to rotate, so that the drive connection part 661 drives the upper pressure shaft 660 to rotate, and the extended plate body 650 and the upper pressure plate 670 rotate toward the side away from the main frame 610, the upper pressure plate 670 releases the side of the plate and the plate is placed on the roller conveying part 500, and the roller conveying part 500 conveys the plate and realizes automatic unloading.

[0033] In one embodiment, Figure 1-Figure 4 As shown, the driving connection part 661 is a gear, and the release driving part includes a fixed bar 680 and an arc-shaped rack 690, the fixed bar 680 is fixed to the bottom of the lower die stamping table 210 and the arc-shaped rack 690 is located on the side of the flip rod shaft 630, one end of the arc-shaped rack 690 is fixedly connected to one end of the fixed bar 680 and the center of the arc-shaped rack 690 is located on the axis of the flip rod shaft 630, and the arc-shaped rack 690 can mesh with the driving connection part 661; in this embodiment of the present invention, when the main frame 610 rotates to the lower side of the flip rod shaft 630, the driving connection part 661 begins to mesh with the arc-shaped rack 690 and the driving connection part 661 rotates downward with the upper pressure shaft 660 and the main frame 610, so the arc-shaped rack 690 acts on the driving connection part 661 and causes the upper pressure shaft 660 to rotate, thereby extending the plate body 650 and the upper pressure plate 670 away from the lower clamping plate 620 to release the plate.

[0034] In one embodiment, Figure 1-Figure 5As shown, the centering module 230 includes a centering rotating shaft portion 233 and two centering slides 231. The two centering slides 231 are respectively slidably arranged on the side portions of the lower die stamping platform 210 in a symmetrical manner. The upper surface of the centering slide 231 is flush with the upper surface of the lower die stamping platform 210 and a centering roller body 232 is rotatably arranged on each centering slide 231. The centering rotating shaft portion 233 is rotatably arranged on the side portion of the lower die stamping platform 210 through a spring bearing and a centering gear 234 is arranged on the centering rotating shaft portion 233. Centering extension rods 235 are arranged on the two centering slides 231 and the two centering extension rods 235 are away from the centering rollers 232. The end of the center slide 231 extends to the centering shaft 233, and the centering extension rod 235 is provided with a centering rack 236. The two centering racks 236 are respectively located on both sides of the centering gear 234 and meshed with it; in the embodiment of the present invention, under the elastic action of the spring bearing, the centering gear 234 maintains the driving force on the two centering extension rods 235 by meshing with the centering rack 236, so the two centering slides 231 have a tendency to move synchronously relative to each other, so the two centering rollers 232 can apply the same pushing and guiding force to the sides of the plate and guide the plate to be in the middle position of the lower die stamping table 210.

[0035] In one embodiment, Figure 1-Figure 6 As shown, a lower notch 212 is provided on the bottom wall of the lower die mounting groove 211 and an ejection module 240 is provided at the bottom of the lower die stamping platform 210. The ejection module 240 includes an ejection shaft 241, a top frame 242 and a top roller 243. The ejection shaft 241 is rotatably provided at the bottom of the lower die stamping platform 210 and the top frame 242 is fixed on the ejection shaft 241. A top roller 243 is rotatably provided on the top frame 242 and the top roller 243 is opposite to the lower notch 212. The ejection shaft 241 is rotatably provided at the bottom of the lower die stamping platform 210 and the top frame 242 is fixed on the ejection shaft 241. The top roller 243 is rotatably provided on the top frame 242 and the top roller 243 is opposite to the lower notch 212. An ejection hand wheel 244 is provided at one end of 41; in the embodiment of the present invention, when the lower mold 220 needs to be replaced, the staff manually rotates the ejection hand wheel 244, the ejection hand wheel 244 drives the ejection shaft 241 to rotate, and the ejection shaft 241 drives the top frame part 242 to rotate, the top frame part 242 makes the top roller part 243 rotate upward and the top roller part 243 passes through the lower notch 212 and abuts against the bottom of the lower mold 220, and then the top roller part 243 can quickly lift the top roller part 243, so as to facilitate the removal of the lower mold 220.

[0036] In one embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 7 and Figure 8As shown, the upper mold assembly 300 includes an upper mold base 310 and an upper mold 320. The end surface of the upper mold base 310 facing the lower mold 220 has an upper mold mounting cavity 330, and the top surface of the upper mold base 310 is provided with a mounting reserved hole 312 connected to the upper mold mounting cavity 330. The back of the upper mold 320 is provided with an upper screw rod 321. When the upper mold 320 is in the upper mold mounting cavity 330, the upper screw rod 321 passes through the mounting reserved hole 312 and is fastened by the nut portion 313. In the embodiment of the present invention, the upper screw rod 321 is used to pass through the mounting reserved hole 312 and extend to the back of the upper mold base 310, and then is fastened by the nut portion 313, so that the upper mold 320 can be installed and easily disassembled.

[0037] In one embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 7 and Figure 8 As shown, the upper die table 310 is provided with a tail pressing piece 340 and two protrusions 311 on one side facing the centering module 230, and the tail pressing piece 340 includes an upper plate 342, a lower pressing plate 343 and two pressing movable rods 341, and the two pressing movable rods 341 are respectively slidably arranged on the two protrusions 311, and the upper plate 342 is arranged on the top of the pressing movable rod 341 and the two ends of the upper plate 342 are respectively fixedly connected to the top of the two pressing movable rods 341, and the upper plate 342 is connected to the protrusion 311 through a pressing spring member 344. The slat 343 is located at the lower side of the pressing movable rod 341 and the two ends of the pressing slat 343 are respectively fixedly connected to the bottom of the two pressing movable rods 341; in the embodiment of the present invention, in the initial state, the height of the pressing slat 343 is lower than the lower surface of the upper die table 310; when the upper die table 310 moves downward under the action of the stamping cylinder part 400, the pressing slat 343 first contacts the plate and gradually applies elastic pressure to the plate through the action of the pressing spring part 344, so that the two opposite sides of the plate are respectively pressed by the flipping unloading mechanism 600 and the tail pressing part 340 to avoid the movement of the plate during stamping.

[0038] In one embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 7 and Figure 8As shown, a touch switch part 410 is also provided on the top of the stamping outer frame 100 and the touch switch part 410 is opposite to the tail pressing piece 340. When the tail pressing piece 340 moves up and moves back to the initial position, the touch switch part 410 contacts the top of the tail pressing piece 340 and the touch switch part 410 is also electrically connected to the flip motor part 640. In the embodiment of the present invention, after the stamping of the plate is completed, the upper mold assembly 300 moves upward under the action of the stamping cylinder part 400. When the tail pressing piece 340 moves up and moves to the initial position, the touch switch part 410 contacts the top of the tail pressing piece 340 and generates an induction signal. The touch switch part 410 controls the flip motor part 640 to work, so that the flip rod shaft 630 rotates and causes the main frame 610, the lower clamping plate 620 and the upper pressing part to rotate to the side away from the lower mold stamping table 210, so as to realize automatic unloading of the plate after the stamping forming is completed, thereby improving the processing efficiency.

[0039] The above embodiment provides a stamping and forming device for automobile body parts, wherein the lower mold 220 is placed inside the lower mold installation groove 211 and the upper surface of the lower mold 220 is flush with the upper surface of the lower mold stamping platform 210, and the upper mold 320 is placed inside the upper mold installation cavity 330 and is fastened by the upper screw 321 and the nut part 313, so that the stamping surface of the upper mold 320 is flush with the lower surface of the upper mold platform 310; the plate to be stamped passes between the two centering roller bodies 232, and due to the spring bearing between the centering rotating shaft part 233 and the side of the lower mold stamping platform 210, the two centering roller bodies 232 have a tendency to move toward the middle. The two centering rollers 232 can apply the same pushing and guiding force to the sides of the plate and guide the plate to the middle position of the lower die stamping table 210; the front side of the plate to be stamped is pushed between the upper pressing plate 670 and the lower clamping plate 620, so that the upper pressing plate 670 presses the plate to be stamped under the action of the spring bearing between the upper pressing shaft 660 and the main frame 610, so that the plate to be stamped can be accurately positioned and clamped; the stamping cylinder part 400 starts to work and drives the upper die table 310 and the upper mold 320 to move downward. When the upper die table 310 moves downward under the action of the stamping cylinder part 400, the lower pressing plate strip 343 first contacts the plate and gradually passes through the lower The action of the compression spring member 344 applies elastic pressure to the plate, so that the two opposite sides of the plate are respectively pressed by the flipping and unloading mechanism 600 and the tail pressing member 340 to prevent the plate from moving during stamping; after the stamping is completed, the stamping cylinder part 400 drives the upper mold assembly 300 to move back to the initial position, and the top of the tail pressing member 340 contacts the touch switch part 410, the touch switch part 410 generates an induction signal and the flip motor part 640 starts to work, the flip motor part 640 drives the flip rod shaft 630 to rotate, and the flip rod shaft 630 drives the main frame 610, the lower clamping plate 620 and the upper pressure part to rotate toward the outer side of the lower mold stamping table 210 and drive the stamping The formed sheet rotates, and when the main frame 610 and the upper pressure part rotate to the lower side of the flip rod shaft 630, the stamped sheet rotates to the side of the lower die stamping table 210 and gradually rotates to the upper side of the roller conveying part 500, and the driving connection part 661 and the arc-shaped rack 690 begin to contact and mesh with each other. The arc-shaped rack 690 drives the upper pressure shaft 660 to rotate around its connection with the main frame 610, and then the upper pressure plate 670 gradually moves away from the lower clamping plate 620, so that the upper pressure plate 670 gradually no longer presses the stamped sheet, and the stamped sheet automatically disengages from the flipping and unloading mechanism 600 under the conveyance of the roller conveying part 500, thereby realizing automatic unloading.

[0040] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A stamping forming equipment for automobile body parts, comprising a stamping outer frame, a lower die assembly and an upper die assembly, wherein the lower die assembly is arranged on the stamping outer frame and is in a relative position to the upper die assembly, a stamping cylinder portion is arranged on the top of the stamping outer frame and the lower end of the stamping cylinder portion is connected to the upper die assembly, characterized in that: The lower die assembly includes a lower die punching table, a lower die and a centering module; The lower die stamping platform is fixedly connected to the stamping outer frame and a lower die mounting groove for mounting the lower die is provided at the middle position of the lower die stamping platform. The centering module is provided at one side of the lower die stamping platform and the centering module is used to guide the plate placed on the upper side of the lower die to the middle position. A reserved supporting groove is provided at the opposite side of the lower die stamping platform. The lower die stamping table is also provided with a flipping and unloading mechanism which is in a relative position to the centering module, and the flipping and unloading mechanism includes a main frame, a lower clamping plate, a flipping rod shaft, an upper pressing part and a release driving part; The flip rod shaft is rotatably mounted on the side of the lower die stamping platform and one end of the flip rod shaft is connected to the flip motor part, the main frame is located on the side of the lower die stamping platform and the bottom edge of the main frame is fixedly connected to the flip rod shaft; The lower clamping plate is arranged on the end surface of the main frame facing the lower die stamping table, and the lower clamping plate can be inserted into the reserved supporting groove. When the lower clamping plate is in the reserved supporting groove, the upper surface of the lower clamping plate is flush with the upper surface of the lower die stamping table. The upper pressing part is arranged on the main frame, and the lower end of the upper pressing part is rotatably connected to the outer wall of the main frame through a spring bearing, and the top of the upper pressing part extends to the upper side of the lower clamping plate, and the release driving part is arranged on one side of the bottom of the lower die stamping platform; When the upper pressing part is located at the lower side of the turning rod shaft, the release driving part is connected to the upper pressing part and the release driving part drives the upper pressing part to rotate around the connection between the upper pressing part and the main frame; A roller conveying part is also provided on one side of the stamping outer frame close to the flipping and unloading mechanism, and the roller conveying part is used to support and convey the stamping forming plate flipped to one side of the lower die stamping table; The upper pressing part comprises an extending plate body, an upper pressing shaft and an upper pressing plate; The two ends of the upper pressure shaft are rotatably connected to the outer wall of the main frame through spring bearings, one side of the extension plate body is fixed on the upper pressure shaft and the other side extends to the upper side of the lower clamping plate, the upper pressure plate is fixed to the end of the extension plate body extending to the upper side of the lower clamping plate and the upper pressure plate is tilted upward toward the side of the lower die stamping platform; the end of the upper pressure shaft is provided with a driving connection part and the driving connection part can be connected to the release driving part; The driving connection part is a gear, and the release driving part includes a fixed bar and an arc-shaped rack; The fixed bar is fixed to the bottom of the lower die stamping table and the arc-shaped rack is located on the side of the flip rod shaft. One end of the arc-shaped rack is fixedly connected to one end of the fixed bar and the center of the arc-shaped rack is located on the axis of the flip rod shaft. The arc-shaped rack can engage with the driving connection part.

2. The automobile body parts stamping forming equipment according to claim 1, characterized in that: The centering module includes a centering shaft portion and two centering slides; Two centering slides are respectively and symmetrically slidably arranged on the side of the lower die stamping platform, the upper surface of the centering slide is flush with the upper surface of the lower die stamping platform, and a centering roller body is rotatably arranged on each centering slide, the centering rotating shaft is rotatably arranged on the side of the lower die stamping platform through a spring bearing, and a centering gear is arranged on the centering rotating shaft; The two centering slides are both provided with centering extension rods, and the two centering extension rods extend from the ends of the centering slides to the centering rotating shaft. The centering extension rods are provided with centering racks, and the two centering racks are respectively located on both sides of the centering gear and meshed with it.

3. The automobile body parts stamping forming equipment according to claim 1, characterized in that: A lower notch is provided on the bottom wall of the lower die installation groove and an ejection module is provided at the bottom of the lower die stamping platform, wherein the ejection module comprises an ejection shaft, an ejection frame and an ejection roller; The ejection shaft is rotatably arranged at the bottom of the lower die stamping platform and the ejector frame is fixed on the ejection shaft. A top roller is rotatably arranged on the ejector frame and the top roller is opposite to the lower notch. An ejection hand wheel is arranged at one end of the ejection shaft.

4. The automobile body parts stamping forming equipment according to any one of claims 1 to 3, characterized in that: The upper mold assembly includes an upper mold platform and an upper mold; The end surface of the upper mold platform facing the lower mold is provided with an upper mold installation cavity, and the top surface of the upper mold platform is provided with an installation reserved hole connected with the upper mold installation cavity. An upper screw is provided on the back side of the upper mold. When the upper mold is in the upper mold installation cavity, the upper screw passes through the installation reserved hole and is fastened by the nut part.

5. The automobile body parts stamping forming equipment according to claim 4, characterized in that: The upper die table is provided with a tail pressing piece and two protrusions on one side facing the centering module; The tail pressing member comprises an upper plate, a lower pressing plate and two pressing movable rods; The two downward pressing movable rods are respectively slidably arranged on the two protruding parts, the upper plate strip is arranged on the top of the downward pressing movable rod, and the two ends of the upper plate strip are respectively fixedly connected with the top of the two downward pressing movable rods; The upper strip is connected to the protruding portion via a downward pressing spring member, the downward pressing strip is located at the lower side of the downward pressing movable rod, and the two ends of the downward pressing strip are respectively fixedly connected to the bottoms of the two downward pressing movable rods.

6. The automobile body parts stamping forming equipment according to claim 5, characterized in that: A touch switch portion is also provided on the top of the stamping outer frame and the touch switch portion is opposite to the tail pressing piece; When the tail pressing member moves upward and moves back to the initial position, the touch switch part contacts the top of the tail pressing member and the touch switch part is also electrically connected to the flip motor part.

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