Continuous punch forming device for aluminum alloy plate

Abstract

The invention relates to the field of workpiece stamping, and discloses an aluminum alloy plate continuous stamping forming device which comprises a base, a lower die fixedly arranged in the center of the top of the base, upper dies fixedly arranged on the two sides of the base through supports and used for stamping the lower die through pneumatic push rods, and further comprises a conveying mechanism and a supporting mechanism which are arranged on the top of a partition plate. By arranging the partition plate, a certain distance is reserved between a worker and the stamping device during stamping, the worker is prevented from being injured by clamping of the closed upper die and the closed lower die, a workpiece is cleaned after entering the input port, impurities on the surface of the workpiece are removed, and dents generated at the stamping part due to the impurities during stamping of the workpiece are avoided; although the worker is close to the first rotating roller, the arc-shaped baffle of the input port isolates the worker from the first rotating roller, clothes of the worker are prevented from being drawn into the first rotating roller, and the operation safety of the worker is further guaranteed.

Description

TECHNICAL FIELD

[0001] The application relates to the field of workpiece stamping, in particular to an aluminum alloy plate continuous stamping forming device. BACKGROUND

[0002] In the field of aerospace, aluminum alloy is widely used in the field of aerospace due to its small density, moderate strength, easy processing and forming and many other characteristics. In the fuselage parts of an aircraft, the aircraft skin, bulkhead and wing can all use aluminum alloy. The manufacturing process of the wing includes many stamping processes, such as the beam and rib of the wing, which need to be punched and then stamped to be finally formed.

[0003] In the stamping process of the beam production, the feeding process still relies on manual operation, which is mainly determined by two factors: one is that the production batch of the beam is small, and the other is that the length of the beam itself is large. During the stamping process, the workpiece needs to be rotated by 180° to adjust the position, and the unilateral stress during stamping will cause the workpiece to rotate around the stress point. These characteristics make it necessary to design a complex auxiliary machine for automatic feeding. Considering the small batch size, the manufacturing cost will be significantly increased, so manual feeding is currently a more appropriate choice.

[0004] However, manual feeding has obvious drawbacks, which not only affects the machining precision, but also brings safety hazards: from the perspective of machining precision, the pressure of the upper die on the lower die during stamping is large, and it is difficult for workers to hold the workpiece stably with both hands, which can easily cause the stamping position to deviate and reduce the machining precision of the beam. At the same time, the operation speed of the workers is difficult to match the speed of the workpiece rotating under pressure, which can cause the workpiece to bend due to uneven stress. From the safety perspective, the workers are close to the stamping equipment during operation, and the rotating action of the aluminum alloy sheet workpiece during stamping is inevitable to cause safety risks. Therefore, there is an urgent need for a stamping device that can ensure the machining precision of the beam and the safety of the workers. SUMMARY

[0005] In view of the problems in the prior art caused by cost constraints, the wing beam is fed manually during stamping, which leads to insufficient machining precision, uneven stress and safety hazards, thereby an aluminum alloy plate continuous stamping forming device is proposed.

[0006] The purpose is to replace manual operation with mechanical transmission, use a conveyor belt to transport aluminum alloy workpieces between the upper die and the lower die, and use a support mechanism to support the rotating workpiece, thereby improving the machining precision of the workpiece and avoiding uneven stress on the workpiece.

[0007] The technical scheme of the present application is a kind of aluminum alloy plate continuous punch forming device, including base, the center of the top of base is fixedly provided with lower mould, the both sides of base are fixedly provided with upper mould by support, the upper mould realizes the stamping of lower mould by pneumatic push rod, it further includes setting in the transmission mechanism and support mechanism of baffle top; The transmission mechanism includes a baffle set on one side of the base, a rotating roller one set on the top of the baffle away from the lower die, an input port set on the outside of the rotating roller one, a rotating roller two set on the top of the baffle close to the lower die, a conveying unit set on the side of the rotating roller one and the rotating roller two, a limiting unit set on the side of the lower die away from the baffle, the conveying unit is used to transport the aluminum alloy workpiece between the upper die and the lower die, the limiting unit is used to limit the movement of the aluminum alloy workpiece, the rotating roller two is provided with a pair of symmetrically arranged on both sides of the baffle, and the diameter of the rotating roller one is greater than that of the transmission roller two; The support mechanism includes a placing groove opened in the top of the baffle, a bottom plate provided on the inner wall of the placing groove, a sliding rod provided on the bottom of the bottom plate, a support plate and a fixed cylinder provided on the top of the bottom plate, and a lifting unit provided on the inner side of the fixed cylinder, the lifting unit is used to support the rotating aluminum alloy workpiece.

[0008] Further, the two sides of the input port are fixedly provided with a circular ring, the circular ring is arranged around the circumference of the rotating shaft one, the circular ring is rotatably arranged on the circumference of the rotating shaft one through the support, the side of the input port close to the lower die is a rectangular frame, the inner wall of the rectangular frame is fixedly provided with a sponge pad, the middle of the input port is an arc-shaped baffle, the arc-shaped baffle is concentrically arranged with the rotating shaft one, and is used to block the worker and the rotating roller one.

[0009] Further, the conveying unit includes a conveyor belt respectively sleeved on the outside of the rotating roller one and each rotating roller two, a traction bracket fixedly provided on the top of the baffle and located directly below the conveyor belt, a toothed plate fixedly provided on the side of the upper die close to the baffle, a gear one sleeved on the side of each rotating roller two, each conveyor belt includes a groove opened on the two sides of the transmission belt body, and a plurality of semicylindrical protrusions fixedly provided on the side of the transmission belt body.

[0010] Further, the inside of the top of the traction bracket is fixedly provided with a short rod on both sides, each short rod is slidably arranged on the inner wall of the different side groove of each conveyor belt, each conveyor belt is inclined at a certain angle from the transmission roller one to the short rod under the traction of the traction bracket, and the part from the short rod to the transmission roller two is a plane parallel to the baffle, the toothed plate is provided with a pair of symmetrically arranged on both ends of the upper die, and each toothed plate is engaged with the gear one.

[0011] Further, the limiting unit comprises a fixed rail fixed on the base away from the partition plate, a limiting frame slidingly arranged on the inner wall of the fixed rail, and an adjusting screw rotatingly arranged on the inner wall of the fixed rail, the top of the limiting frame is opposite to the lower die, the adjusting screw penetrates through the limiting frame and the fixed rail and extends to the outside of the fixed rail, and the adjusting screw is threadedly connected with the limiting frame.

[0012] Further, the lifting unit comprises a strip-shaped hole formed in the side surface of the fixed cylinder, a sliding column slidingly arranged on the inner wall of the fixed cylinder, a follower plate rotatingly arranged on the side surface of the sliding column, an extension rod fixedly arranged on the side surface of the sliding column and slidingly arranged on the inner wall of the strip-shaped hole, a winding wheel fixedly arranged on the top side surface of the fixed plate, a gear two sleeved on the side surface of the rotating shaft of the winding wheel, a connecting plate fixedly arranged on the side of the upper die close to the partition plate, a pull rope fixedly arranged on the side surface of the extension rod, and a clamping piece arranged on the end of the connecting plate.

[0013] Further, a torsion spring is arranged between the rotating shaft of the follower plate and the sliding column, the follower plate is used for supporting the aluminum alloy workpiece, the side of the connecting plate close to the gear two is fixedly provided with a tooth, and the tooth is in meshing connection with the gear two.

[0014] Further, the clamping piece comprises a bent frame fixedly arranged on the top of the connecting plate, an extrusion plate rotatingly arranged on the end of the bent frame, a magnetic block one fixedly arranged on the bottom of the connecting plate, a magnetic block two fixedly arranged on the top of the bottom plate, and a force storage spring fixedly arranged on the side surface of the sliding rod.

[0015] Further, one end of the sliding rod away from the bottom plate penetrates through the partition plate, one end of the force storage spring is fixedly arranged on the side surface of the sliding rod and abuts against the bottom plate of the partition plate, the magnetic block one is opposite to the magnetic block two, the end of the bent frame away from the connecting plate is towards the partition plate, and the extrusion plate is opposite to the follower plate.

[0016] Further, the supporting mechanism is provided with two groups and is symmetrically arranged on the two sides of the partition plate.

[0017] Compared with the prior art, the present application has the following beneficial effects: 1. By arranging the partition plate, the worker can be spaced apart from the stamping device when performing stamping processing, so as to avoid being pinched by the closed upper die and lower die, the workpiece is cleaned after entering the input port, the impurities on the surface of the workpiece are removed, and the stamping part is prevented from being dented due to impurities when the workpiece is stamped; although the worker is relatively close to the rotating roller one, the arc-shaped baffle of the input port isolates the worker from the rotating roller one, so as to prevent the clothes of the worker from being rolled into the rotating roller one, and the working safety of the worker is further ensured.

[0018] 2. By setting the semi-cylindrical protrusions on the surface of the conveying belt and the inclined surface structure of the part of the conveying belt from high to low, when the workpiece is transported to the fixed position, the workpiece edge will collide with the inclined surface of the conveying belt during the process of turning to the plane, which will make the workpiece continuously receive a pushing force towards one side of the lower die, and the pushing force cooperates with the end of the limiting frame to clamp the two sides of the workpiece, so as to achieve the purpose of fixing the workpiece and avoid displacement of the workpiece due to mechanical vibration.

[0019] 3. By setting the follow-up plate and the clamping piece, the workpiece can not only avoid deviation after sliding into the follow-up plate, but also can not be subjected to excessive pressure during stamping while the follow-up plate follows the rotation of the workpiece, so as to ensure that the workpiece is not only supported during rotation, but also the supporting force will not cause uneven stress of the workpiece, thereby avoiding bending of the whole workpiece; and after stamping, the clamping piece cooperates with the follow-up plate to clamp the workpiece and vertically take out the workpiece from the lower die, so as to avoid excessive wear of the workpiece at the stamping position and improve the quality of the cross beam. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic structural diagram of the whole application; Figure 2 It is a schematic structural diagram of the lower die of the application; Figure 3 It is a schematic structural diagram of the surface of the partition plate of the application; Figure 4 It is a schematic structural diagram of the conveying mechanism of the application; Figure 5 It is a schematic structural diagram of the conveying belt of the application; Figure 6 It is a schematic structural diagram of the application Figure 5 It is an enlarged schematic structural diagram of A of the application; Figure 7 It is a schematic structural diagram of the limiting unit of the application; Figure 8 It is a schematic structural diagram of the supporting mechanism of the application; Figure 9 It is a schematic structural diagram of the follow-up plate of the application; Figure 10 It is a schematic structural diagram of the pull rope of the application.

[0021] In the figure: 1, base; 2, lower mold; 3, upper mold; 4, conveying mechanism; 41, partition; 42, rotating roller one; 43, input port; 44, rotating roller two; 45, conveying unit; 451, conveying belt; 452, traction support; 453, toothed plate; 454, gear one; 46, limiting unit; 461, fixed rail; 462, limiting frame; 463, adjusting screw; 5, supporting mechanism; 51, placing groove; 52, sliding rod; 53, supporting plate; 54, fixed cylinder; 55, lifting unit; 551, sliding column; 552, follower plate; 553, winding wheel; 554, gear two; 555, pull rope; 556, extrusion plate; 557, magnetic block one; 558, magnetic block two; 559, force storage spring. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objectives, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0023] Example 1, refer to Figures 1-3 For the first embodiment of the present application, an aluminum alloy plate continuous stamping forming device is provided, which comprises a base 1, a lower mold 2 fixedly arranged at the center of the top of the base 1, and an upper mold 3 fixedly arranged on both sides of the base 1 through supports, the upper mold 3 realizes stamping of the lower mold 2 through a pneumatic push rod, and further comprises a conveying mechanism 4 and a supporting mechanism 5 arranged on the top of the partition 41; the conveying mechanism 4 comprises a partition 41 fixedly arranged on one side of the base 1, the partition 41 is used to support the entire transmission mechanism and the supporting mechanism 5, a rotating roller one 42 arranged on the top of the partition 41 away from the lower mold 2, the rotating roller one 42 is rotatably arranged above the partition 41 through a support, an input port 43 arranged on the outer side of the rotating roller one 42, a rotating roller two 44 arranged on the top of the partition 41 close to the lower mold 2, the rotating roller two 44 is rotatably arranged on the top of the partition 41 through a support, a conveying unit 45 arranged on the side of the rotating roller one 42 and the rotating roller two 44, a limiting unit 46 arranged on the side of the lower mold 2 away from the partition 41, the conveying unit 45 is used to transport the aluminum alloy workpiece between the upper mold 3 and the lower mold 2, the limiting unit 46 is used to limit the movement of the aluminum alloy workpiece, the rotating roller two 44 is arranged on both sides of the partition 41 in a pair and symmetrically, the diameter of the rotating roller one 42 is greater than that of the transmission roller two.

[0024] Specifically, the aluminum alloy workpiece is placed between the upper die 3 and the lower die 2 during use, and then the upper die 3 is pushed by the pneumatic push rod to stamp the aluminum alloy workpiece, thereby pressing out the right angle edge of the cross beam. The conveying mechanism 4 is used to convey the aluminum alloy workpiece to between the upper die 3 and the lower die 2, and the supporting mechanism 5 is used to support the rotating aluminum alloy workpiece, thereby avoiding uneven stress on the aluminum alloy plate. The supporting mechanism 5 comprises a placing groove 51 formed in the top of the partition plate 41, a bottom plate slidingly arranged on the inner wall of the placing groove 51, a sliding rod 52 fixedly arranged on the bottom of the bottom plate, a supporting plate 53 and a fixed cylinder 54 arranged on the top of the bottom plate, the supporting plate 53 and the fixed cylinder 54 being fixedly connected with the bottom plate and located at different ends of the bottom plate respectively, and a lifting unit 55 arranged on the inner side of the fixed cylinder 54, the lifting unit 55 being used to support the rotating aluminum alloy workpiece. The input port 43 is provided with a circular ring fixedly arranged on each side of the input port 43, the circular ring being arranged around the circumferential side of the rotating shaft one, the circular ring being rotatably arranged on the circumferential side of the rotating shaft one through a support, the side of the input port 43 close to the lower die 2 being a rectangular frame, the inner wall of the rectangular frame being fixedly provided with a sponge pad, and the middle of the input port 43 being an arc-shaped baffle, the arc-shaped baffle being concentrically arranged with the rotating shaft one and being used to block the workers from the rotating roller one 42.

[0025] When the aluminum alloy workpiece is processed, the worker inserts the aluminum alloy workpiece into the rectangular frame of the input port 43, and in the process of insertion, the sponge pad on the inner side of the rectangular frame cleans the aluminum alloy workpiece, thereby avoiding that the impurities on the surface of the workpiece affect the stamping effect, and the input port 43 as a whole can be rotated, thereby facilitating the worker to place the workpiece on the supporting mechanism 5. After the workpiece passes through the input port 43, the edge of the workpiece is in contact with the conveying unit 45, and after the workpiece is placed on the conveying unit 45, the upper die 3 is started and pressed down, in the process, the conveying unit 45 is started and sends the aluminum alloy workpiece to between the upper die 3 and the lower die 2, and before the upper die 3 is combined with the lower die 2, the edge of the aluminum alloy workpiece abuts against the side surface of the limiting unit 46, thereby ensuring the accuracy of the stamping position. When the upper die 3 starts to stamp formally, the supporting mechanism 5 is started, and the lifting unit 55 follows the support with the rotation of the aluminum alloy workpiece, thereby avoiding uneven stress on the aluminum alloy workpiece.

[0026] By arranging the partition plate 41, the worker can be spaced apart from the stamping device during stamping processing, thereby avoiding being pinched by the closed upper die 3 and lower die 2. The workpiece is cleaned after entering the input port 43, and the impurities on the surface of the workpiece are removed, thereby avoiding that the stamping position is dented due to the impurities when the workpiece is stamped. Although the worker is close to the rotating roller one 42, the arc-shaped baffle of the input port 43 separates the worker from the rotating roller one 42, thereby avoiding that the worker's clothes are rolled into the rotating roller one 42, and further ensuring the work safety of the worker.

[0027] Embodiment 2, refer to Figures 4-7For the second embodiment of the present application, which is different from the first embodiment, the conveying unit 45 comprises a conveyor belt 451 sleeved outside each of the rotating roller one 42 and the rotating roller two 44, a traction bracket 452 fixedly arranged on the top of the partition plate 41 and located directly below the conveyor belt 451, a toothed plate 453 fixedly arranged on the side of the upper die 3 close to the partition plate 41, a gear one 454 sleeved on the side surface of each rotating roller two 44, and each conveyor belt 451 comprises a groove opened on the two side surfaces of the conveyor belt body and a plurality of semicylindrical protrusions fixedly arranged on the side surface of the conveyor belt body. The top of the traction bracket 452 is fixedly provided with a short rod on the inner side of each of the two sides, and each short rod is slidingly arranged on the inner wall of the groove on the different side of each conveyor belt 451. Each conveyor belt 451 is inclined at a certain angle from the rotating roller one to the short rod under the traction of the traction bracket 452, and the part from the short rod to the rotating roller two is a plane parallel to the partition plate 41. The toothed plate 453 is arranged on the two ends of the upper die 3 and symmetrically arranged on the two ends of the upper die 3, and each toothed plate 453 is engaged with the gear one 454.

[0028] The limiting unit 46 comprises a fixed rail 461 fixedly arranged on the side of the base 1 away from the partition plate 41, a limiting frame 462 slidingly arranged on the inner wall of the fixed rail 461, and an adjusting screw 463 rotationally arranged on the inner wall of the fixed rail 461. The limiting frame 462 is located opposite to the lower die 2 on the top of the limiting frame 462. The adjusting screw 463 extends to the outside of the fixed rail 461 while penetrating the limiting frame 462 and the fixed rail 461. The adjusting screw 463 is threadedly connected with the limiting frame 462. Before the stamping starts, in order to ensure the accuracy of the stamping position, the worker needs to adjust the position of the limiting frame 462 through the adjusting screw 463, so that the bottom of the end of the limiting frame 462 close to the lower die 2 is tightly attached to the top of the lower die 2. When the workpiece is conveyed to the lower die 2, the workpiece is abutted with the limiting frame 462 to make the part to be stamped stay at the correct stamping position. The limiting frame 462 itself is adjustable, so as to adapt to different stamping requirements.

[0029] Specifically, the worker pushes the aluminum alloy workpiece onto the conveying belt 451 through the input port 43, and then the upper die 3 starts to move downward, in the process, the toothed plate 453 rotates with the upper die 3 moving downward, and then drives the entire conveying belt 451 to start rotating, the workpiece is pulled by the conveying belt 451 to approach the lower die 2, with the rotation of the conveying belt 451, the workpiece abuts against the end of the limiting frame 462 on the surface of the lower die 2, and at this time, the edge of the workpiece away from the lower die 2 is just at the intersection of the conveying belt 451 and the short shaft, since the conveying belt 451 at this position is at the intersection of the inclined plane and the flat surface, therefore, the semicylindrical protrusion passing through this position has a process from high to low, and the semicylindrical protrusion at the high position will collide with the edge of the workpiece in the process of moving to the low position, which will make the workpiece continuously receive a pushing force towards the side of the lower die 2, and this pushing force cooperates with the end of the limiting frame 462 to clamp the two sides of the workpiece, thereby achieving the purpose of fixing the workpiece, avoiding displacement of the workpiece due to mechanical vibration, and improving the qualified rate of the cross beam product. The rest of the structure is the same as that of example 1.

[0030] Example 3, refer to Figure 8 As a third embodiment of the present application, the difference between this embodiment and the second embodiment is that the lifting unit 55 includes a strip-shaped hole opened in the side surface of the fixed cylinder 54, a sliding column 551 slidingly arranged on the inner wall of the fixed cylinder 54, a follower plate 552 rotatably arranged on the side surface of the sliding column 551, an extension rod fixedly arranged on the side surface of the sliding column 551 and slidingly arranged on the inner wall of the strip-shaped hole, a winding wheel 553 rotatably arranged on the top side surface of the fixed plate, a gear two 554 sleeved on the side surface of the rotating shaft of the winding wheel 553, the gear two 554 being fixedly connected with the rotating shaft of the winding wheel 553, a connecting plate fixedly arranged on the side of the upper die 3 close to the partition plate 41, a pull rope 555 fixedly arranged on the side surface of the extension rod, and a clamping piece arranged on the end of the connecting plate. A torsional spring (not shown in the figure) is arranged between the rotating shaft of the follower plate 552 and the sliding column 551, the follower plate 552 contacts the torsional spring to keep stable and will not freely fall, the follower plate 552 is used to support the aluminum alloy workpiece, the side of the connecting plate close to the gear two 554 is fixedly provided with a tooth, and the tooth is in meshing connection with the gear two 554.

[0031] Specifically, when the workpiece moves along with the conveying belt 451, the edges on both sides of the workpiece first abut against the surface of the follower plate 552 and then slide on the surface of the follower plate 552, at this time, the workpiece cannot move left and right under the constraint of the follower plate 552, thereby avoiding the workpiece from being skewed, it is worth noting that at this time, the side of the workpiece away from the lower die 2 is still in the input port 43, which is itself limited in left and right displacement, and therefore the workpiece can certainly slide into the follower plate 552 normally, and the follower plate 552 is to ensure that the workpiece does not deviate after sliding out of the input port 43. After the workpiece abuts against the limit, the upper die 3 finally falls to the surface of the workpiece, at this time, the teeth of the connecting plate and the gear two 554 are engaged, and when the upper die 3 punches the workpiece subsequently, the connecting plate drives the gear two 554 to rotate, and in turn drives the winding wheel 553 to rotate, then the pull rope 555 is wound on the side surface of the winding wheel 553, and the sliding column 551 is also pulled up, finally driving the follower plate 552 to be lifted. After the workpiece is punched, the workpiece as a whole rotates around the punching position, and the follower plate 552 is always close to the lower surface of the workpiece in the process of being lifted, supporting the workpiece, and the lifting speed of the follower plate 552 is determined according to the descending speed of the upper die 3, which can follow the rotation of the workpiece while not applying excessive pressure to the workpiece, ensuring that the workpiece is not only supported during rotation, but also the supporting force does not cause uneven stress on the workpiece, thereby avoiding the workpiece from being bent as a whole, and achieving the purpose of improving the workpiece product qualification rate.

[0032] With reference to Figures 8-10 The clamping piece comprises a bending frame fixedly arranged on the top of the connecting plate, an extrusion plate 556 rotatably arranged at the end of the bending frame, a magnetic block one 557 fixedly arranged on the bottom of the connecting plate, a magnetic block two 558 fixedly arranged on the top of the bottom plate, and a force storage spring 559 fixedly arranged on the side surface of the sliding rod 52. One end of the sliding rod 52 away from the bottom plate penetrates through the partition plate 41, one end of the force storage spring 559 is fixedly arranged on the side surface of the sliding rod 52, and the other end abuts against the bottom plate of the partition plate 41. The magnetic block one 557 faces the magnetic block two 558, the end of the bending frame away from the connecting plate faces the partition plate 41, and the extrusion plate 556 faces the follower plate 552. The supporting mechanism 5 is provided with two groups and is symmetrically arranged on both sides of the partition plate 41.

[0033] Specifically, when the upper die 3 moves down, the connecting plate follows the movement, and when the upper die 3 completes the stamping, the magnetic block one 557 is attracted to the magnetic block two 558, and at the same time, the inclined upper surface of the workpiece also abuts against the extrusion plate 556, and the extrusion plate 556 and the follower plate 552 jointly clamp the workpiece. Then when the upper die 3 moves up, the magnetic block one 557 takes the magnetic block two 558 up, and the bottom plate and the structure on the surface thereof connected with the magnetic block two 558 are taken up together, which makes the workpiece as a whole be taken up, the bottom plate is slidably connected with the partition plate 41 through the slide rod 52, but the elastic force of the force storage spring 559 increases after the slide rod 52 slides upward, which can resist the magnetic force between the magnetic block one 557 and the magnetic block two 558, and after the workpiece is lifted to a certain height, the elastic force is finally greater than the magnetic force, and the magnetic block one 557 and the magnetic block two 558 are finally forced to separate, and the bottom plate and the structure on the surface thereof are reset, and the worker can take out the workpiece completed by stamping at this position. The workpiece is vertically taken out from the lower die 2 under the driving of the upper die 3. Since the cross section of the lower die 2 is V-shaped, if the workpiece is manually taken out, the position of the workpiece subjected to stamping is inevitably rubbed against the inner wall of the lower die 2, thereby wearing the surface of the workpiece and generating excessive wear, and the vertical upward taking-out mode of the workpiece can avoid excessive wear of the position of the workpiece subjected to stamping, thereby improving the quality of the cross beam. The remaining structure is the same as that of the embodiment 2.

[0034] In combination of the embodiments 1-3, the working principle of the present application is as follows: the worker first pushes the aluminum alloy workpiece to the conveying belt 451 through the input port 43, and the sponge pad inside the rectangular frame cleans the impurities on the surface of the workpiece, thereby avoiding indentation generated by stamping. After the workpiece passes through the input port 43, the upper die 3 starts to move down, and simultaneously drives the toothed plate 453 to move down, the toothed plate 453 is engaged with the gear one 454 to drive the rotating roller two 44 to rotate, thereby driving the conveying belt 451 to rotate, and conveying the workpiece to the lower die 2 and abutting against the limiting frame 462, during which the workpiece is first abutted against the surface of the follower plate 552 on both sides and slides to prevent deviation. At this time, the conveying belt 451 cooperates with the limiting frame 462 to clamp the workpiece, thereby avoiding displacement caused by mechanical vibration. After the workpiece is positioned, the upper die 3 continues to move down for stamping, when the upper die 3 stamps, the teeth of the connecting plate are engaged with the gear two 554 to drive the winding roller 553 to rotate, the pull rope 555 pulls the sliding column 551 to rise, and the follower plate 552 is synchronously lifted with the workpiece, thereby always supporting the workpiece to avoid uneven stress. After the stamping is completed, the upper die 3 moves up, the magnetic block one 557 is attracted to the magnetic block two 558 to drive the bottom plate and the structure on the surface thereof to move up, thereby vertically taking out the workpiece from the lower die 2, avoiding friction between the workpiece and the inner wall of the lower die 2 to generate excessive wear, and improving the quality of the cross beam. Subsequently, the elastic force of the force storage spring 559 is greater than the magnetic force, the magnetic blocks are separated, and the bottom plate is reset, and the worker takes out the workpiece when the extrusion plate 556 and the follower plate 552 are separated, since the side of the workpiece subjected to stamping cannot be inserted into the input port 43, the worker can directly place the workpiece on the conveying belt 451 by bypassing the input port 43, thereby stamping the other side of the workpiece.

[0035] It should be noted that the above examples are only used to illustrate the technical solutions of the present application but not to limit the present application. Although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalently replaced, without departing from the spirit and scope of the technical solutions of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. A continuous stamping forming device for aluminum alloy plates, comprising a base (1), a lower die (2) fixedly provided at the center of the top of the base (1), upper dies (3) fixedly provided on both sides of the base (1) via brackets, the upper die (3) stamping the lower die (2) via a pneumatic push rod, characterized in that: It also includes a conveying mechanism (4) and a supporting mechanism (5) arranged on the top of the partition (41); The conveying mechanism (4) includes a partition (41) arranged on one side of the base (1), a rotating roller (42) arranged on the top of the partition (41) away from the lower mold (2), an input port (43) arranged on the outside of the rotating roller (42), a rotating roller (44) arranged on the top of the partition (41) close to the lower mold (2), a conveying unit (45) arranged on the side of the rotating roller (42) and the rotating roller (44), and a limiting unit (46) arranged on the side of the lower mold (2) away from the partition (41), the conveying unit (45) is used to transport the aluminum alloy workpiece to between the upper mold (3) and the lower mold (2), the limiting unit (46) is used to limit the movement of the aluminum alloy workpiece, the rotating roller (44) is provided in a pair and symmetrically arranged on both sides of the partition (41), and the diameter of the rotating roller (42) is larger than that of the transmission roller (46); The support mechanism (5) includes a placement groove (51) provided on the top of the partition (41), a bottom plate provided on the inner wall of the placement groove (51), a slide bar (52) provided on the bottom of the bottom plate, a support plate (53) and a fixed cylinder (54) provided on the top of the bottom plate, and a lifting unit (55) provided on the inner side of the fixed cylinder (54), wherein the lifting unit (55) is used to support the rotating aluminum alloy workpiece.

2. The continuous stamping forming device for aluminum alloy sheets according to claim 1, characterized in that: Circular rings are fixedly provided on both sides of the input port (43), and the circular rings are arranged around the circumference of the rotating shaft 1. The circular rings are rotatably provided on the circumference of the rotating shaft 1 through a bracket. The side of the input port (43) close to the lower mold (2) is a rectangular frame, and a sponge pad is fixedly provided on the inner wall of the rectangular frame. The middle of the input port (43) is an arc-shaped baffle, which is arranged concentrically with the rotating shaft and is used to block the worker from the rotating roller 1 (42).

3. The continuous stamping forming device for aluminum alloy sheets according to claim 1, characterized in that: The conveying unit (45) includes a conveyor belt (451) respectively mounted on the outer side of the rotating roller 1 (42) and each rotating roller 2 (44), a traction bracket (452) fixedly mounted on the top of the partition (41) and located directly below the conveyor belt (451), a tooth plate (453) fixedly mounted on the side of the upper mold (3) close to the partition (41), and a gear 1 (454) mounted on the side of each rotating roller 2 (44). Each of the conveyor belts (451) includes grooves opened on both sides of the transmission belt body and a plurality of semi-cylindrical protrusions fixedly mounted on the side of the conveyor belt (451) body.

4. The continuous stamping and forming device for aluminum alloy sheets according to claim 3, characterized in that: Short rods are fixedly provided on both sides of the top of the traction bracket (452), and each of the short rods is slidably provided on the inner wall of the groove on different sides of each conveyor belt (451). Under the pulling of the traction bracket (452), each conveyor belt (451) is tilted at a certain angle from the transmission roller 1 to the short rod, and the portion from the short rod to the transmission roller 2 is a plane parallel to the partition (41). A pair of tooth plates (453) are provided and symmetrically arranged at both ends of the upper mold (3), and each tooth plate (453) is engaged with gear 1 (454).

5. The continuous stamping and forming device for aluminum alloy sheets according to claim 1, characterized in that: The limiting unit (46) includes a fixed rail (461) fixedly arranged on a side of the base (1) away from the partition (41), a limiting frame (462) slidably arranged on the inner wall of the fixed rail (461), and an adjusting screw (463) rotatably arranged on the inner wall of the fixed rail (461), wherein the top of the limiting frame (462) faces the lower mold (2), and the adjusting screw (463) simultaneously penetrates the limiting frame (462) and the fixed rail (461) and extends to the outside of the fixed rail (461), and the adjusting screw (463) is threadedly connected to the limiting frame (462).

6. The continuous stamping and forming device for aluminum alloy sheets according to claim 1, characterized in that: The lifting unit (55) includes a strip hole opened on the side of the fixed cylinder (54), a sliding column (551) slidably set on the inner wall of the fixed cylinder (54), a follower plate (552) rotatably set on the side of the sliding rod, an extension rod fixedly set on the side of the sliding column (551) and slidably set on the inner wall of the strip hole, a winding wheel (553) rotatably set on the top side of the fixed plate, a gear 2 (554) sleeved on the side of the rotating shaft of the winding wheel (553), a connecting plate fixedly set on the side of the upper mold (3) close to the partition (41), a pull rope (555) fixedly set on the side of the extension rod, and a clamping member set at the end of the connecting plate.

7. The aluminum alloy sheet continuous stamping forming device according to claim 6, characterized in that: A torsion spring is provided between the rotating shaft of the follower plate (552) and the sliding column (551), and the follower plate (552) is used to support the aluminum alloy workpiece. A side of the connecting plate close to the second gear (554) is fixedly provided with teeth, and the teeth are meshed and connected with the second gear (554).

8. The aluminum alloy sheet continuous stamping forming device according to claim 6, characterized in that: The clamping member includes a bending frame fixedly arranged on the top of the connecting plate, an extrusion plate (556) rotatably arranged at the end of the bending frame, a magnetic block 1 (557) fixedly arranged at the bottom of the connecting plate, a magnetic block 2 (558) fixedly arranged at the top of the bottom plate, and a force storage spring (559) fixedly arranged on the side of the slide rod (52).

9. The aluminum alloy sheet continuous stamping forming device according to claim 8, characterized in that: The end of the slide bar (52) away from the bottom plate passes through the partition (41), one end of the force storage spring (559) is fixedly arranged on the side of the slide bar (52), and the other end is abutted against the bottom plate of the partition (41), the magnetic block 1 (557) is opposite to the magnetic block 2 (558), the end of the bending frame away from the connecting plate is toward the partition (41), and the extrusion plate (556) is opposite to the follower plate (552).

10. The aluminum alloy sheet continuous stamping forming device according to claim 1, characterized in that: The support mechanisms (5) are provided in two groups and are symmetrically arranged on both sides of the partition (41).

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