Cup-shaped workpiece stamping production equipment and production method thereof

Abstract

The present invention discloses a cup-shaped workpiece stamping production equipment and a production method thereof, comprising: a feeding mechanism: used to convey the disc-shaped workpieces forward one by one; a stamping line: used to perform multi-step stamping on the workpieces to form a cup-shaped finished product; a material unloading mechanism: used to collect the finished product. The beneficial effects of the present invention are: meeting the requirements of brightness and saving processes, high hole turning quality, high side punching quality, and reliable loading and unloading.

Description

Technical Field

[0001] The invention relates to the field of machinery, and in particular to a cup-shaped workpiece stamping production device and a production method thereof. Background Art

[0002] A large number of aluminum alloy stamping parts are needed in new energy vehicles. Compared with other processing methods, stamping has low cost and high efficiency, so it is widely used. Figure 1 As shown, it involves a cup-shaped workpiece, which is a cup-shaped structure with through grooves at both ends. The height of the cup body is greater than 5cm. The side walls at both ends of the cup body are provided with openings and the openings are staggered. The edge of the material has brightness requirements. In the actual processing process, it is found that the traditional processing technology has the following problems:

[0003] 1) The traditional way of loading is to move the stacked round pieces to the stamping line through a suction cup, and then the transfer mold robot will transport them step by step into the stamping die. The suction cup usually puts down the round pieces slightly suspended in the air, which may cause the round pieces to bounce up occasionally, resulting in inaccurate positioning, thus affecting subsequent processing;

[0004] 2) The traditional unloading method is to directly slide the processed products into the collection basket, which is not only disorderly, but also prone to bumps and collisions, affecting product quality;

[0005] 3) The traditional process of improving edge brightness is to achieve it through multi-step finishing and gradually reduce the amount of trimming. The increase in mold steps will make the mold design longer, which will increase the mold opening cost. In addition, the life of the punch and die is not long, which will increase the mold modification cost.

[0006] 4) The traditional punching process uses the plastic deformation characteristics of the material and is generally completed in two steps. First, the bottom hole is pre-punched on the material and then the punching structure is extruded using the convex and concave dies. For workpieces with a high height (greater than 5cm), the punching part is prone to cracking and deformation.

[0007] 5) For workpieces with a relatively high height (greater than 5cm), when side punching is required at the mouth and bottom of the cup, the traditional process usually adopts a one-step method. In practice, it is found that the guide punch is pressed down, and the guide bevel drives the side punch to move horizontally to punch the side opening; when this method simultaneously processes two holes that are not in the same direction, the guide bevel is difficult to design, and the thrust of the side punch farther away is small, which affects the quality of the side punch. Summary of the invention

[0008] The object of the present invention is to provide a cup-shaped workpiece stamping production equipment to solve all or part of the above-mentioned technical problems.

[0009] To achieve the above object, the present invention provides the following technical solutions:

[0010] A cup-shaped workpiece stamping production equipment, comprising:

[0011] Feeding mechanism: used to transport the disc-shaped workpieces forward one by one;

[0012] Stamping line: used to perform multiple-step stamping on the workpiece to form a cup-shaped finished product;

[0013] Unloading mechanism: used to collect finished products;

[0014] The feeding mechanism includes a feeding rack, a tray for stacking disc-shaped workpieces is horizontally arranged below the feeding rack, and a lifting motor drives the tray to move up and down through a lifting screw; a platform plate is arranged on the feeding rack, a circular through hole is arranged at a position of the feeding rack facing the lifting motor, a horizontal push cylinder is arranged on one side of the platform plate, and a through groove that only allows one disc-shaped workpiece to pass through is arranged on the lower surface of the platform plate; it also includes a conveyor belt facing the through groove, and a stopper is arranged at the far end of the conveyor belt to block the disc-shaped workpiece;

[0015] The stamping line includes a transfer mold manipulator that moves horizontally and reciprocatingly, and the transfer mold manipulator includes a left arm and a right arm that open and close to each other, and a plurality of clamping arms are arranged on the inner sides of the left arm and the right arm;

[0016] Fine blanking station 1, fine blanking station 2, embossing station, punching station, flanging station, stretching station, side punching station 1, side punching station 2 and blanking station are arranged in sequence along the stamping line; the fine blanking station 1, fine blanking station 2, embossing station, punching station, flanging station, stretching station, side punching station 1 and side punching station 2 all include an upper die seat and a lower die seat;

[0017] Wherein, the side punching station 1 and the side punching station 2 both include a guide punch and a side punching punch; the guide punch and the side punching punch both include a guide inclined surface, and the guide inclined surfaces of the guide punch and the side punching punch are in contact to drive the side punching punch to move horizontally; a lifting cylinder is arranged on the transfer mold manipulator corresponding to the side punching station 1 and the side punching station 2, a flipping cylinder is arranged horizontally on the lifting cylinder, and a clamping cylinder is arranged on the cylinder arm of the flipping cylinder, and the flipping cylinder is used to flip the clamping cylinder 180°, so that the workpiece is flipped 180° when it is transferred from the side punching station 1 to the side punching station 2;

[0018] The embossing station is used to punch the center of the disc-shaped workpiece downward to form a spherical crown-shaped pit;

[0019] The punching station is used to punch at the center of the spherical crown-shaped pit to form a bottom hole;

[0020] The hole-turning station is used to turn the bottom hole outward by punching to form a workpiece with a cup-shaped structure;

[0021] The stretching station is used to extrude and stretch the workpiece to a designed height by punching;

[0022] The side punching station 1 and the side punching station 2 are used to form openings on the side walls of the workpiece by side shearing;

[0023] The unloading station is used to collect the processed workpieces.

[0024] Preferably, the fine blanking station one includes a finishing shear die one and a finishing shear punch one, the end point of the stamping stroke of the finishing shear punch one is 0.1mm away from the end face of the finishing shear die one, and the edge of the finishing shear die one is provided with a fillet of R0.6mm; the fine blanking station two includes a finishing shear die two and a finishing shear punch two, the end point of the stamping stroke of the finishing shear punch two extends into the finishing shear die two, and the edge of the finishing shear die two is provided with a fillet of R0.15mm.

[0025] Preferably, an annular guide ring is provided on the lower side of the platform plate corresponding to the circular through hole, and a distance sensor 1 for detecting a disc-shaped workpiece is provided on the guide ring.

[0026] Preferably, the embossing station includes an upper die base and a lower die base, the upper die base is provided with an upper pad, a fixed plate, a unloading pad, a unloading plate and an embossing punch, wherein the unloading pad and the unloading plate are movably sleeved on the embossing punch, the fixed plate is provided with a spring device for pushing open the unloading pad, the lower die base is provided with a concave mold plate with a concave mold insert, a concave mold plate is provided with a concave mold insert, a spherical crown is provided at the end of the embossing punch, and a groove of a matching shape is provided on the concave mold insert corresponding to the embossing punch.

[0027] Preferably, the unloading mechanism includes a turntable, on which a plurality of collecting rods are vertically arranged at equal intervals along the edge thereof, a dividing plate and a driving motor are arranged at the bottom of the turntable, and the driving motor drives the dividing plate to rotate intermittently via a lever.

[0028] Preferably, the unloading mechanism also includes a lead screw and a sensor mounting rod in the same direction as the collecting rod, and also includes a lead screw motor that drives the lead screw to rotate. A material receiving fork is threadedly connected to the lead screw, and the material receiving fork includes a fork-shaped portion facing the collecting rod and a tail portion that is slidably arranged on the sensor mounting rod.

[0029] Preferably, a second distance sensor is provided on the top of the sensor mounting rod.

[0030] The present invention also provides a cup-shaped workpiece stamping production method, which uses the cup-shaped workpiece stamping production equipment, including the following steps:

[0031] S1. The stacked disc-shaped workpieces are manually placed on the pallet, and the lifting motor drives the lifting screw to rotate, thereby driving the pallet to move upward;

[0032] S2. After the distance sensor detects the disc-shaped workpiece, the push cylinder pushes forward to push the disc-shaped workpiece out of the through slot on the platform plate and into the conveyor belt;

[0033] S3. The conveyor belt conveys the disc-shaped workpiece forward until it is blocked by a stopper;

[0034] S4. The left and right arms of the transfer mold manipulator open and close in a rhythmic and timed manner, and move forward one step after closing, thereby conveying the disc-shaped workpiece on the conveyor belt to the stamping line and entering each station in turn;

[0035] S5. In a fine blanking station, a finishing shear punch is pressed toward a finishing shear die, thereby squeezing the edge of the disc-shaped workpiece off, and the disc-shaped workpiece is squeezed by a finishing shear punch and a reserved material is accumulated at the edge of a finishing shear die;

[0036] S6. At the second fine-blanking station, the second finishing shear punch presses into the second finishing shear die, and the reserved material accumulated at the edge of the first finishing shear die is squeezed and filled to the edge of the disc-shaped workpiece, so that the brightness of the edge of the disc-shaped workpiece meets the design requirements;

[0037] S7. At the embossing station, the embossing punch presses the center of the disc-shaped workpiece downward to form a spherical crown-shaped pit;

[0038] S8. At the punching station, a shear punch is punched into a shear die to punch a bottom hole at the center of the spherical crown-shaped pit;

[0039] S9. At the stretching station, the workpiece is squeezed into the die by a punch, thereby stretching it to the designed height;

[0040] S10. At a side punching station, the side punch is driven to shear laterally to form an opening in the side wall of the workpiece by punching down through the guide punch;

[0041] S11. The gripper cylinder on the transfer mold manipulator grips the workpiece at the side punching station one, the lifting cylinder rises, the flipping cylinder flips to flip the gripper cylinder 180°, and then places the workpiece at the side punching station two;

[0042] S12. At the side punching station 2, the side punch is driven to shear laterally to form an opening in the side wall of the workpiece by punching down through the guide punch;

[0043] S13. At the unloading station, the collecting rod of the unloading mechanism receives the workpiece from the transfer mold robot, so that the workpiece is just passed through the collecting rod and blocked by the receiving fork. When the distance sensor 2 detects that there is a workpiece on the collecting rod, the screw motor drives the screw to rotate, driving the receiving fork to drop to the height of a workpiece; when the receiving fork drops to the lowest position, the driving motor drives the dividing plate to rotate, so that another empty collecting rod moves to the bottom of the transfer mold robot.

[0044] The beneficial effects of the present invention are: meeting the requirements of brightness and saving working procedures, high hole turning quality, high side punching quality, and reliable loading and unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 It is a three-dimensional structural diagram of a cup-shaped finished product;

[0046] Figure 2 It is a schematic diagram of the layout structure of the cup-shaped workpiece stamping production equipment of the present invention;

[0047] Figure 3 This is a schematic diagram of the local three-dimensional structure of the feeding mechanism. Figure 1 ;

[0048] Figure 4 This is a schematic diagram of the local three-dimensional structure of the feeding mechanism. Figure 2 ;

[0049] Figure 5 It is a partial front view structural diagram of the feeding mechanism;

[0050] Figure 6 It is a schematic diagram of the partial top view structure of the stamping line;

[0051] Figure 7 This is a schematic diagram of the combination of the lifting cylinder and the tilting cylinder. Figure 1 ;

[0052] Figure 8 It is a schematic diagram of the cross-sectional structure of fine blanking station one and fine blanking station two;

[0053] Fig. 9 It is a schematic diagram of the three-dimensional structure of the fine blanking station 1 in a cross-sectional state;

[0054] Fig.10 yes Figure 8 A local enlarged schematic diagram of the middle A;

[0055] Fig.11 yes Figure 8 A partial enlarged schematic diagram of point B in the middle;

[0056] Fig.12 It is a schematic diagram of the cross-sectional structure of the embossing station;

[0057] Fig.13 It is a schematic diagram of the cross-sectional structure of the hole-turning station;

[0058] Fig.14 It is a schematic diagram of the top view of the material feeding mechanism;

[0059] Fig.15 It is a three-dimensional structural schematic diagram of the blanking mechanism;

[0060] Fig.16 It is a front view structural diagram of the blanking mechanism;

[0061] Fig.17 It is a schematic diagram of the partial structure of side punching station one. DETAILED DESCRIPTION

[0062] The technical solution of the present invention is further described in detail below in conjunction with specific implementation methods.

[0063] like Figures 1 to 17 As shown, a cup-shaped workpiece stamping production equipment of the present invention comprises:

[0064] Feeding mechanism 1: used to transport the disc-shaped workpieces 5 forward one by one;

[0065] Stamping line 2: used to perform multi-step stamping on the workpiece to form a cup-shaped finished product;

[0066] Unloading mechanism 3: used to collect finished products.

[0067] Among them, Figure 1 As shown, the height of the cup-shaped product processed by the present invention exceeds 5 cm, and a groove 4 is staggered at the upper and lower ends.

[0068] Specifically, the feeding mechanism 1 of the embodiment of the present invention includes a feeding frame 10, a tray 12 for stacking disc-shaped workpieces 5 is horizontally arranged below the feeding frame 10, and a lifting motor 16 drives the tray 12 to move up and down through a lifting screw 17. A platform plate 14 is arranged on the feeding frame 10, a circular through hole 22 is arranged at the position of the feeding frame 10 facing the lifting motor 16, a horizontal push cylinder 18 is arranged on the first side of the platform plate 14, and a through slot 31 that only allows one disc-shaped workpiece 5 to pass through is opened on the platform plate 14; it also includes a conveyor belt 24 facing the through slot 31, and a stopper 26 for blocking the disc-shaped workpiece 5 is arranged at the far end of the conveyor belt 24; an annular guide ring 28 is arranged on the lower side of the platform plate 14 corresponding to the circular through hole 22, and a distance sensor 30 for detecting the disc-shaped workpiece 5 is arranged on the guide ring 28.

[0069] Specifically, the stamping line 2 of the embodiment of the present invention includes a transfer mold robot 32 that moves horizontally back and forth. The transfer mold robot 32 includes a left arm and a right arm that open and close each other. A plurality of clamping arms 34 are arranged on the inner sides of the left arm and the right arm for clamping the workpiece. The transfer mold robot 32 is a prior art, which can realize the reciprocating movement of the arm and the right arm up and down, left and right, and front and back to clamp the workpiece and convey it forward.

[0070] Fine blanking station 1, fine blanking station 2, embossing station, punching station, flanging station, stretching station, side punching station 1, side punching station 2 and blanking station are arranged in sequence along the stamping line 2. Fine blanking station 1, fine blanking station 2, embossing station, punching station, flanging station, stretching station, side punching station 1 and side punching station 2 are all stamping stations, side punching station 1 and side punching station 2 are side punching, and the others are straight punching. Stamping is a common and well-known structure in the industry, so the flanging station and stretching station are not shown in detail, and ordinary technicians in the industry can refer to it. Figure 8 The punching station shown (which is a conventional structure, and its components are well known in the industry, so it is not described in detail) can be designed according to needs without paying creative labor. The specific structure of the punching station is well known in the industry, so it is not described in detail.

[0071] Among them, the side punching station one includes a guide punch 36 and a side punching punch 38; the guide punch 36 and the side punching punch 38 both include a guide inclined surface, and the guide inclined surfaces of the guide punch 36 and the side punching punch 38 are in contact to drive the side punching punch 38 to move horizontally, and also include a side concave mold 39, the side concave mold 39 extends into the workpiece, and has a side punching groove (not shown) matching the side punching punch 38, so as to cooperate with the side punching punch 38 to form shearing; a lifting cylinder 40 is arranged on the transfer mold manipulator 32 corresponding to the side punching station one and the side punching station two, and a flipping cylinder 42 is horizontally arranged on the lifting cylinder 40, and a clamping cylinder 44 is arranged on the cylinder arm of the flipping cylinder 42, and the flipping cylinder 42 is used to flip the clamping cylinder 44 180°, so that the workpiece is flipped 180° when it is transferred from the side punching station one to the side punching station two. The structure of the side punching station 2 is the same as that of the side punching station 1. It is only necessary to replace the appropriate side punch head 38 and adjust the angle of the side punch head 38 as needed, so it is not shown in detail. Different side punch heads 38 can process slots 4 of different shapes, and its specific structure can be designed according to product requirements.

[0072] The finishing blanking station 1 includes a finishing shearing die 46 and a finishing shearing punch 48. The distance between the end point of the stamping stroke of the finishing shearing punch 48 and the end face of the finishing shearing die 46 is 0.1 mm, and the edge of the finishing die is provided with a fillet of R0.6 mm; the finishing blanking station 2 includes a finishing shearing die 50 and a finishing shearing punch 52. The end point of the stamping stroke of the finishing shearing punch 52 extends into the finishing shearing die 50, and the edge of the finishing shearing die 50 is provided with a fillet of R0.15 mm.

[0073] The embossing station includes an upper die base 54 and a lower die base 56, and the upper die base 54 is provided with an upper pad 58, a fixed plate 60, a discharge pad 62, a discharge plate 64 and an embossing punch 66, wherein the discharge pad 62 and the discharge plate 64 are movably sleeved on the embossing punch 66, and the fixed plate 60 is provided with a spring device 68 for pushing open the discharge pad 62, and the lower die base 56 is provided with a concave mold plate 70 with a concave mold, and a concave mold insert 72 is provided in the concave mold plate 70, a spherical crown 74 is provided at the end of the embossing punch 66, and a groove of a matching shape is provided on the concave mold insert 72 corresponding to the embossing punch 66.

[0074] Specifically, the unloading mechanism 3 of the embodiment of the present invention includes a turntable 76, on which a plurality of collecting rods 78 are vertically arranged at equal intervals along the edge thereof, a dividing plate 80 and a driving motor 82 are arranged at the bottom of the turntable 76, and the driving motor 82 drives the dividing plate 80 to rotate intermittently through a lever.

[0075] The unloading mechanism 3 further includes a lead screw 84 and a sensor mounting rod 86 in the same direction as the collecting rod 78, and also includes a lead screw motor (not shown) for driving the lead screw 84 to rotate. A material receiving fork 90 is threadedly connected to the lead screw 84. The material receiving fork 90 includes a fork-shaped portion facing the collecting rod 78 and a tail portion slidably disposed on the sensor mounting rod 86. A distance sensor 92 is disposed at the top of the sensor mounting rod 86.

[0076] The workflow of the present invention is as follows:

[0077] S1. Manually placing the stacked disc-shaped workpiece 5 on the tray 12, the lifting motor 16 drives the lifting screw 17 to rotate, thereby driving the tray 12 to move upward;

[0078] S2. After the distance sensor 30 detects the disc-shaped workpiece 5, the push cylinder 18 pushes forward, and the disc-shaped workpiece 5 is pushed out from the through slot 31 on the platform plate 14 and fed into the conveyor belt 24;

[0079] S3. The conveyor belt 24 transports the disc-shaped workpiece 5 forward until it is blocked by the stopper 26;

[0080] S4. The left and right arms of the transfer mold manipulator 32 open and close in a rhythmic manner, and move forward one step after closing, thereby conveying the disc-shaped workpiece 5 on the conveyor belt 24 to the stamping line and entering each station in turn; the transfer mold manipulator 32 is a common structure, having the functions of up and down, front and back, and left and right movements, because it is common and its structure itself is not the innovative point of the present invention, and therefore is not illustrated in detail;

[0081] S5. In a fine blanking station, a finishing shear punch 48 is pressed toward a finishing shear die 46, thereby squeezing the edge of the disc-shaped workpiece 5, and the disc-shaped workpiece 5 is squeezed by a finishing shear punch 48 and squeezed at the edge of the finishing shear die 46 with reserved material accumulated;

[0082] S6. In the second fine blanking station, the second finishing punch 52 is pressed into the second finishing shear die 50, and the reserved material accumulated at the edge of the finishing die is squeezed and filled to the edge of the disc-shaped workpiece 5, so that the brightness of the edge of the disc-shaped workpiece 5 meets the design requirements;

[0083] S7. At the embossing station, the embossing punch 66 presses the center of the disc-shaped workpiece 5 downward to form a spherical crown 74-shaped pit;

[0084] S8. At the punching station, a shear punch is punched into the shear die to form a bottom hole at the center of the spherical cap 74-shaped pit;

[0085] S9. At the stretching station, the workpiece is squeezed into the die by a punch, thereby stretching it to the designed height;

[0086] S10. In a side punching station, through the guide punch 36 punching, driving the side punch 38 to shear laterally to form an opening in the side wall of the workpiece;

[0087] S11. The jaw cylinder 44 on the transfer mold manipulator 32 clamps the workpiece at one side punching station, the lifting cylinder 40 rises, the flip cylinder 42 flips to flip the jaw cylinder 44 180°, and then places the workpiece at the side punching station 2;

[0088] S12. In the side punching station two, through the guide punch 36 punching, drive the side punch 38 transverse shear to form an opening in the side wall of the workpiece;

[0089] S13. At the unloading station, the collecting rod 78 of the unloading mechanism 3 receives the workpiece from the transfer mold robot 32, so that the workpiece is just passed through the collecting rod 78 and blocked by the receiving fork 90. ​​The distance sensor 92 detects that there is a workpiece on the collecting rod 78, and the screw motor drives the screw 84 to rotate, driving the receiving fork 90 to drop to the height of a workpiece; when the receiving fork 90 drops to the lowest position, the driving motor 82 drives the dividing plate 80 to rotate, so that another empty collecting rod 78 moves to the bottom of the transfer mold robot 32.

[0090] The advantages of the present invention are:

[0091] 1) In step S5, the finishing shear punch 48 squeezes the edge of the disc-shaped workpiece 5, the edge chamfer angles of the finishing shear punch 48 and the finishing die 1 are designed, and the distance between the end point of the punching stroke of the finishing shear punch 48 and the end face of the finishing shear die 1 46 is 0.1 mm (the excess waste material being punched is broken due to gravity), so that the disc-shaped workpiece 5 is squeezed by the finishing shear punch 48 and the edge of the finishing shear die 1 46 is accumulated with reserved material; in step S6, at the finishing punching station 2, the finishing shear punch 2 52 punches into the finishing shear die 2 50, and squeezes the reserved material accumulated at the edge of the finishing die 1 to fill the edge of the disc-shaped workpiece 5, thereby filling the gap between the edge of the disc-shaped workpiece 5 and the mold, so that the brightness of the edge of the disc-shaped workpiece 5 meets the design requirements; this method avoids the post-processing process, directly meets the design brightness requirements, and saves costs.

[0092] 2) In step S7, at the embossing station, the embossing punch 66 presses the center of the disc-shaped workpiece 5 downward to form a spherical crown 74-shaped pit; then in step S8, the bottom hole is punched and cut, and finally, in step S9, the workpiece is squeezed into the die by the punch, so as to be stretched to the designed height. Because the part that needs to be punched is pre-folded, and then punched and folded. Compared with the traditional process of first punching a bottom hole on a circular workpiece and then punching a hole, this processing method is less likely to cause cracking during the punching process, and has a higher yield rate.

[0093] 3) Between steps S11 and S12, the flip cylinder 42 flips to flip the clamping cylinder 44 by 180°, that is, flips the workpiece by 180°, so that the side punch 38 punches the workpiece twice at the upper part (the end closer to the punch), avoiding the situation where the side punch 38 punches at both ends closer to and farther from the punch at the same time. Although one-time punching saves process, it is difficult to design the guide structure of the side punch 38, and the driving force at the farther end is insufficient, which is prone to punching burrs, uncut, etc., resulting in defective products.

[0094] 4) The feeding mechanism 1 realizes stable feeding and improves the reliability of feeding;

[0095] 5) The unloading mechanism 3 realizes the stacking and collecting of cup-shaped workpieces, which is convenient for the next process, and has a large capacity for collecting materials. During the collecting process, the receiving fork 90 descends slowly, which can avoid damage caused by the workpiece falling.

[0096] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0097] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A cup-shaped workpiece stamping production equipment, characterized in that: include: Feeding mechanism: used to transport the disc-shaped workpieces forward one by one; Stamping line: used to perform multiple-step stamping on the workpiece to form a cup-shaped finished product; Unloading mechanism: used to collect finished products; The feeding mechanism includes a feeding rack, a tray for stacking disc-shaped workpieces is horizontally arranged below the feeding rack, and a lifting motor drives the tray to move up and down through a lifting screw; a platform plate is arranged on the feeding rack, a circular through hole is arranged at a position of the feeding rack facing the lifting motor, a horizontal push cylinder is arranged on one side of the platform plate, and a through groove that only allows one disc-shaped workpiece to pass through is arranged on the lower surface of the platform plate; it also includes a conveyor belt facing the through groove, and a stopper is arranged at the far end of the conveyor belt to block the disc-shaped workpiece; The stamping line includes a transfer mold manipulator that moves horizontally and reciprocatingly, and the transfer mold manipulator includes a left arm and a right arm that open and close to each other, and a plurality of clamping arms are arranged on the inner sides of the left arm and the right arm; Fine blanking station 1, fine blanking station 2, embossing station, punching station, flanging station, stretching station, side punching station 1, side punching station 2 and blanking station are arranged in sequence along the stamping line; the fine blanking station 1, fine blanking station 2, embossing station, punching station, flanging station, stretching station, side punching station 1 and side punching station 2 all include an upper die seat and a lower die seat; Wherein, the side punching station 1 and the side punching station 2 both include a guide punch and a side punching punch; the guide punch and the side punching punch both include a guide inclined surface, and the guide inclined surfaces of the guide punch and the side punching punch are in contact to drive the side punching punch to move horizontally; a lifting cylinder is arranged on the transfer mold manipulator corresponding to the side punching station 1 and the side punching station 2, a flipping cylinder is arranged horizontally on the lifting cylinder, and a clamping cylinder is arranged on the cylinder arm of the flipping cylinder, and the flipping cylinder is used to flip the clamping cylinder 180°, so that the workpiece is flipped 180° when it is transferred from the side punching station 1 to the side punching station 2; The embossing station is used to punch the center of the disc-shaped workpiece downward to form a spherical crown-shaped pit; The punching station is used to punch at the center of the spherical crown-shaped pit to form a bottom hole; The hole-turning station is used to turn the bottom hole outward by punching to form a workpiece with a cup-shaped structure; The stretching station is used to extrude and stretch the workpiece to a designed height by punching; The side punching station 1 and the side punching station 2 are used to form openings on the side walls of the workpiece by side shearing; The unloading station is used to collect the processed workpieces; The fine blanking station one includes a fine shearing die one and a fine shearing punch one, the distance between the end point of the stamping stroke of the fine shearing punch one and the end face of the fine shearing die one is 0.1mm, and the edge of the fine shearing die one is provided with a fillet of R0.6mm; the fine blanking station two includes a fine shearing die two and a fine shearing punch two, the end point of the stamping stroke of the fine shearing punch two extends into the fine shearing die two, and the edge of the fine shearing die two is provided with a fillet of R0.15mm.

2. The cup-shaped workpiece stamping production equipment according to claim 1, characterized in that: An annular guide ring is arranged on the lower side of the platform plate corresponding to the circular through hole, and a distance sensor 1 for detecting a disc-shaped workpiece is arranged on the guide ring.

3. The cup-shaped workpiece stamping production equipment according to claim 1, characterized in that: The embossing station includes an upper die base and a lower die base, the upper die base is provided with an upper pad, a fixed plate, a discharge pad, a discharge plate and an embossing punch, wherein the discharge pad and the discharge plate are movably sleeved on the embossing punch, the fixed plate is provided with a spring device for pushing open the discharge pad, the lower die base is provided with a concave mold plate with a concave mold insert, the concave mold plate is provided with a concave mold insert, a spherical crown is provided at the end of the embossing punch, and a groove of a matching shape is provided on the concave mold insert corresponding to the embossing punch.

4. The cup-shaped workpiece stamping production equipment according to claim 1, characterized in that: The unloading mechanism comprises a turntable, on which a plurality of collecting rods are vertically arranged at equal intervals along the edge thereof, and a dividing plate and a driving motor are arranged at the bottom of the turntable, and the driving motor drives the dividing plate to rotate intermittently through a lever.

5. The cup-shaped workpiece stamping production equipment according to claim 4, characterized in that: The unloading mechanism also includes a screw and a sensor mounting rod in the same direction as the collecting rod, and also includes a screw motor that drives the screw to rotate. A material receiving fork is threadedly connected to the screw, and the material receiving fork includes a fork-shaped portion facing the collecting rod and a tail portion slidably arranged on the sensor mounting rod.

6. The cup-shaped workpiece stamping production equipment according to claim 5, characterized in that: A second distance sensor is arranged on the top of the sensor mounting rod.

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