Numerical control punching equipment and punching forming process for tantalum shell forming

Abstract

The application discloses a numerical control stamping equipment and a stamping forming process for tantalum shell forming, and belongs to the technical field of metal stamping machines. In view of the problems of ejection difficulty and poor edge folding quality of the tantalum plate in the existing tantalum shell stamping, the equipment is provided with a guide pillar frame and a transmission assembly for driving a pressing plate to stamp; a die assembly is integrated with an edge cutting and folding function; an ejection assembly is coordinated with stamping to solve the ejection difficulty; pneumatic auxiliary pressing ensures the edge angle to be vertical; a supporting assembly supports when cutting the edge and avoids when folding the edge; the process covers equipment preparation, starting stamping, edge cutting, edge folding, pneumatic auxiliary pressing, ejection assembly preparation, stamping completion and resetting, supporting assembly resetting and finished product taking out; the application improves production efficiency and quality and meets high requirement production.

Description

Technical Field

[0001] This invention relates to the field of metal stamping machinery technology, and in particular to a CNC stamping equipment and stamping process for forming tantalum shells. Background Technology

[0002] Tantalum is a metallic material with excellent properties such as high melting point, high strength, and corrosion resistance, and it has wide applications in electronics, aerospace, and chemical industries. Tantalum shells, as a common form of tantalum product, are often used to manufacture casings for electronic components, chemical containers, etc. Stamping is an important processing method in the manufacture of tantalum shells, but it also presents several problems. For example:

[0003] 1. In existing tantalum shell stamping processes, after stamping, the formed tantalum shell is usually ejected from the mold using an ejection mechanism in the die for subsequent operations and processing. Currently, most common ejection mechanisms employ simple mechanical ejection methods, such as using a simple lever structure to achieve the ejection action.

[0004] This ejection mechanism can meet the basic requirement of separating the tantalum shell from the mold to a certain extent. However, with the continuous improvement of the requirements for tantalum shell stamping quality, production efficiency and overall equipment performance, the existing ejection mechanism has gradually revealed some shortcomings. For example, during the ejection process, the existing ejection mechanism can often only achieve a single ejection function and cannot effectively coordinate with other actions in the stamping process, which affects the continuity and coordination of the entire stamping process.

[0005] 2. When stamping and bending tantalum plates, if Figure 15 As shown, right-angle cuts need to be pre-cut at the four corners of the tantalum plate before placing the tantalum plate in the corresponding stamping die. However, the method of cutting right-angle cuts usually relies on manual hand-held cutting tools. However, manual cutting often results in uneven right-angle cuts. In addition, tantalum plates have high strength, so there are certain difficulties in cutting them. This will affect the production efficiency during the tantalum shell processing in the factory.

[0006] To address the aforementioned problems, this invention proposes a CNC stamping equipment and stamping process for forming tantalum shells. Summary of the Invention

[0007] This invention provides a CNC stamping equipment and stamping process for tantalum shell forming, which solves the problems of difficult ejection and poor edge bending quality of tantalum plates in the prior art.

[0008] This invention provides the following technical solution:

[0009] A numerical control stamping equipment for tantalum shell forming, comprising:

[0010] a base, a docking ring fixedly installed on the top of the base;

[0011] two guide pillar supports symmetrically arranged on the top of the base;

[0012] a pressing plate connected to the top of the two guide pillar supports, a pressing seat fixedly installed on the bottom center of the pressing plate;

[0013] a mold mechanism comprising a mold bottom box clamped in the docking ring, a rectangular support fixedly installed in the mold bottom box, a backing plate for supporting a tantalum plate fixedly installed in the rectangular support, an ejection assembly provided in the mold bottom box, the ejection assembly comprising a reset member, the ejection assembly penetrating the backing plate and extending above the backing plate, the ejection assembly penetrating the sliding holes in the side walls of the mold bottom box and being connected with the bottom of the pressing assembly on both sides;

[0014] wherein after stamping forming, the ejection assembly can eject the tantalum shell, and simultaneously drive the pressing assembly to reset upward, thereby solving the problem of difficult ejection of the tantalum shell.

[0015] In a possible design, the guide pillar support comprises two support sleeves fixedly installed on the top of the base, a piston plate closely and slidably connected in the support sleeve, a support rod fixedly installed on the top of the piston plate, and the support rod extending above the support sleeve and being fixedly connected with the bottom of the pressing plate;

[0016] the same transmission assembly is connected to the two support sleeves, starting the transmission assembly can drive the two piston plates to slide along the support sleeves in the longitudinal direction, thereby driving the pressing plate to ascend and descend, and driving the pressing seat to drive the pressing assembly to stamp the tantalum plate.

[0017] In a possible design, the transmission assembly comprises a first shunt pipe, a second shunt pipe, a transmission box, and two first electric push rods;

[0018] the two ends of the first shunt pipe and the second shunt pipe respectively extend into the two support sleeves, and the first shunt pipe and the second shunt pipe are respectively located above and below the piston plate;

[0019] the transmission box is fixed between the two support sleeves, a push plate is closely and slidably connected to the inner wall of the transmission box, the push plate is fixedly connected with the output ends of the two first electric push rods, and the transmission box is in communication with the first shunt pipe and the second shunt pipe through the conveying pipe;

[0020] The transmission case and the supporting sleeve are provided with hydraulic oil, the first electric push rod is started to drive the push plate to move, the hydraulic oil drives the piston plate to slide through the conveying pipe and the shunt pipe, and the pressure plate is stably lifted.

[0021] In a possible design, the die assembly comprises two supporting plates, four stroke guide rods, an upper die plate and a flange pressing frame.

[0022] The two supporting plates are fixed to the top of the two sides of the die base, the four stroke guide rods are symmetrically penetrated through the supporting plates and are in sliding fit, the top end is fixedly connected with the upper die plate, and the bottom end is fixedly connected with the ejection assembly.

[0023] The flange pressing frame is fixed to the bottom of the upper die plate, vertical corner cutting knives are fixedly installed at the four corners of the flange pressing frame, waste discharge boxes are fixedly embedded at the four corners of the die base, and the waste discharge boxes and the rectangular support are provided with blanking holes at the four corners.

[0024] The vertical corner cutting knives cut the corners of the tantalum plate first, the corner cutting waste falls into the waste discharge box through the blanking hole, and then the flange pressing frame flanges the tantalum plate to form a preliminary shape of the tantalum shell.

[0025] In a possible design, a gas tank is fixedly installed at the top center of the upper die plate, the gas tank is connected with a rectangular ring pipe fixed to the top of the upper die plate through a gas conveying pipe, and the rectangular ring pipe is communicated with the mounting groove in the inner wall of the flange pressing frame through a bent pipe.

[0026] A side flange pressing strip is closely and slidingly connected in the mounting groove, and the inner wall of the mounting groove is connected with the side flange pressing strip through an elastic rubber column.

[0027] A moving rod is slidingly connected through the top of the gas tank, a driving plate slidingly matched with the inner wall of the gas tank is fixedly installed at the bottom end of the moving rod, a stress plate is fixedly installed at the top end of the moving rod, and a first compression spring is sleeved on the moving rod.

[0028] After flanging, the gas in the gas tank enters the mounting groove through the gas conveying pipe, the rectangular ring pipe and the bent pipe to drive the side flange pressing strip to move outward, further press the corners of the tantalum plate and ensure the perpendicularity.

[0029] In a possible design, an installation plate is fixedly installed below the driving plate in the gas tank, a plurality of air pipes are fixedly installed through the installation plate, and solenoid valves are fixedly installed in the air pipes.

[0030] Before flanging, the solenoid valves are closed to compress the gas in the gas tank, and after flanging, the solenoid valves are opened, the compressed gas enters the lower part of the gas tank through the air pipes to drive the side flange pressing strip to act.

[0031] In a possible design, the ejection assembly comprises a moving frame slidingly connected in the die shoe, a rectangular blocking ring fixedly installed on the top of the moving frame, the top of the rectangular blocking ring in contact with the bottom of the backing plate, a plurality of limiting covers fixedly installed on the top of the moving frame in symmetry, a plurality of ejector rods fixedly installed on the top of the limiting covers, and the top end of the ejector rods penetrating through the backing plate;

[0032] Wherein, the moving frame drives the ejector rods to retract into the backing plate during stamping; and the moving frame drives the ejector rods to extend out to eject the tantalum shell, while the travel guide rods drive the upper die plate to reset after stamping.

[0033] In a possible design, the ejection assembly further comprises a resetting member, the resetting member comprising a plurality of limiting guide rods fixedly installed on the inner wall of the bottom of the die shoe, a same connecting frame fixedly installed on the limiting guide rods, the top end of the limiting guide rods penetrating through the moving frame and extending into the limiting covers, and the limiting guide rods in sliding fit with the inner wall of the limiting covers;

[0034] A second compression spring is sleeved on the limiting guide rods, and the two ends of the second compression spring are connected with the bottom of the moving frame and the top of the connecting frame, respectively;

[0035] Wherein, the moving frame compresses the second compression spring during stamping; and the second compression spring releases the elastic potential energy to push the moving frame to move upward to provide power for the ejector rods to eject the tantalum shell after stamping.

[0036] In a possible design, a plurality of support assemblies are connected on the rectangular support at equal intervals, the support assembly comprising an L-shaped transmission plate penetrating through the rectangular support and in sliding fit, a supporting plate fixedly installed on the top of the L-shaped transmission plate, and the top of the supporting plate flush with the top of the backing plate;

[0037] A plurality of limiting rings are fixedly installed on the bottom of the L-shaped transmission plate, a moving plate slidingly connected in the limiting rings, a connecting shaft rotatably connected on the moving plate, a rotating plate rotatably connected with the inner wall of the die shoe fixedly sleeved on the connecting shaft, a torsion spring sleeved on the connecting shaft, a same baffle fixedly installed on one side of the moving plate, and the baffle in contact with the side surface of the rectangular blocking ring;

[0038] Wherein, the rectangular blocking ring supports the baffle to support the edge of the tantalum plate during corner cutting; the rectangular blocking ring moves downward to make the baffle lose support and the supporting plate move downward to avoid during edge folding; and the torsion spring drives the supporting plate to reset for the next stamping after stamping.

[0039] A stamping forming process applied in the numerical control stamping equipment for forming the tantalum shell as described above, comprising the following steps:

[0040] S1, device preparation: place the tantalum plate to be punched on the backing plate, ensure that the tantalum plate is flat and aligned with the support assembly, so as to obtain stable support during punching;

[0041] S2, start punching: start two first electric push rods, push the push plate to move upward, make the hydraulic oil in the transmission box enter the second shunt pipe through the conveying pipe, and disperse into the two support sleeves, the hydraulic oil pushes the piston plate to move downward, thereby driving the support rod and the pressing plate to move downward;

[0042] S3, corner cutting operation: when the pressing plate moves downward, the pressing seat contacts the force plate, driving the upper die plate to move downward, the upper die plate is guided to vertically descend through the stroke guide rod, and the vertical corner cutting knife cuts the four corners of the tantalum plate first, and the corner cutting material falls into the waste material discharge box through the blanking hole and is discharged;

[0043] S4, edge folding punching: the upper die plate continues to move downward, and the edge folding pressing frame uses the inclined chamfer at the bottom to bend and punch the four edges of the tantalum plate, so that the four edges of the tantalum plate are gradually formed into a vertical state, forming a preliminary shape of the tantalum shell;

[0044] S5, pneumatic auxiliary pressing: after the edge folding punching is completed, the force plate continues to move downward, and the gas in the compression gas tank is compressed, at this time the electromagnetic valve is opened, the compressed gas enters the installation groove through the air pipe, the gas conveying pipe, the rectangular ring pipe and the elbow pipe, drives the side edge pressing strip to move outward, further presses the vertical edge of the tantalum plate, ensures that the edge corner of the tantalum plate remains in a vertical state, and at the same time the elastic rubber column is stretched;

[0045] S6, ejection assembly preparation: during the punching process, the upper die plate moves downward through the stroke guide rod to drive the moving frame to move downward, the moving frame compresses the reset component, so that the ejector rod retracts into the backing plate, at the same time the baffle in the support assembly is separated from the rectangular baffle ring, and the supporting plate moves downward to avoid interference with the edge folding process;

[0046] S7, punching completion and reset: after the punching is completed, the first electric push rod is reset, the push plate moves downward, the hydraulic oil returns to the transmission box through the first shunt pipe, the piston plate moves upward, driving the pressing plate and the pressing seat to reset upward, at the same time the reset component moves, driving the moving frame to move upward, thereby driving the upper die plate to reset upward through the stroke guide rod, and the ejector rod moves upward to eject the formed tantalum shell from the backing plate;

[0047] S8, support assembly reset: after the punching is completed, the torsion spring in the support assembly drives the rotating plate to rotate upward, driving the moving plate and the L-shaped transmission plate to move upward, so that the supporting plate is reset to the position flush with the backing plate, at the same time the rectangular baffle ring supports the baffle again, preparing for the next punching;

[0048] S9, take out the finished product: take out the ejected formed tantalum shell from the backing plate, check the quality, clean the equipment, and prepare for the next punching cycle.

[0049] It should be understood that the above general description and the following detailed description are only exemplary and do not limit the present application.

[0050] Beneficial effects: in the present application, by setting the guide pillar frame, the two piston plates can be driven to move longitudinally in the corresponding support sleeve through the starting transmission assembly, at this time, when the two piston plates move downward at the same time, the corresponding support rod can be driven to move downward, so that the pressing plate can be driven to move downward, so that the pressing seat can be used to move the die assembly downward to stamp the tantalum plate, so that the tantalum plate is processed to form a tantalum shell;

[0051] In the present application, when the pressing seat moves downward to press the upper die plate, the upper die plate can be moved downward, and under the sliding cooperation of the stroke guide rod and the support plate, the upper die plate can be moved vertically downward, when the upper die plate moves downward, the edge folding pressing frame and the four vertical corner cutting knives can be driven to move downward synchronously, so that the four vertical corner cutting knives can be used to stamp and cut the tantalum plate, and the corner material after stamping and cutting can fall into the corresponding waste discharge box through the corresponding two blanking holes, which facilitates the discharge of the corner material, so that the four corners of the tantalum plate can be cut before stamping the tantalum plate, and after the corner cutting of the tantalum plate is completed, the edge folding pressing frame can press the four corners of the tantalum plate, at this time, the inclined surface at the bottom of the edge folding pressing frame is used to fold and stamp the edge of the tantalum plate, until the four edges of the tantalum plate are bent vertically, so that the tantalum shell can be stamped and formed;

[0052] In the present application, when the upper die plate moves downward, the moving frame can be driven to move downward, at this time, the reset member can be compressed, so that the elastic potential energy of the reset member increases, and at the same time, when the moving frame moves downward, the corresponding ejector rod can be driven to move into the mold bottom box through the plurality of limiting covers, so that the tantalum plate can be placed on the backing plate, and the backing plate can be used to stably support the tantalum plate, so that the tantalum plate can be conveniently supported;

[0053] In the present application, by setting the support assembly, when the rectangular retaining ring supports the baffle, the plurality of moving plates and the plurality of rotating plates can be kept in stable positions, thereby supporting the L-shaped transmission plate, so that the L-shaped transmission plate cannot move downward. When the four corners of the tantalum plate are punched and cut, the four edges of the tantalum plate can be supported, so that the four corners of the tantalum plate can be punched and cut. After the cutting of the four corners of the tantalum plate is completed, the baffle is out of contact with the rectangular retaining ring, and the baffle loses support. When the tantalum plate is punched and cut by the flange pressing frame, the supporting plate can be pushed to move downward, so that the L-shaped transmission plate can be moved downward. When the L-shaped transmission plate moves downward, the moving plate can be moved downward, and the rotating plate can be rotated in the horizontal direction. When the rotating plate rotates, the connecting shaft can apply a torsional force to the two torsional springs, so that the elastic potential energy of the two torsional springs can be increased. After the tantalum shell is punched, the upper die plate moves upward to reset, so that the plurality of supporting plates lose the limit, and the connecting shaft in the stressed state can drive the rotating plate to rotate upward to reset. In this way, the moving plate can be moved upward to reset, so that the L-shaped transmission plate can be moved upward to reset. The supporting plate is moved to the initial position, and then the rectangular retaining ring is moved to the original position. The baffle can be supported and limited, and the supporting plate can support the subsequent tantalum plate.

[0054] The present application can realize the integration of corner cutting and flange punching, solve the problem of unevenness and low efficiency of manual cutting of right-angle openings, ensure coherence and coordination of the ejection assembly and the punching action, ensure the edge and corner perpendicularity through pneumatic auxiliary pressing, improve the punching quality, automatically reset each component, improve the production efficiency, and meet the high requirement production. BRIEF DESCRIPTION OF DRAWINGS

[0055] Figure 1 The first perspective structure three-dimensional schematic view of the numerical control punching equipment for tantalum shell forming provided by the embodiment one of the present application;

[0056] Figure 2 The second perspective structure three-dimensional schematic view of the numerical control punching equipment for tantalum shell forming provided by the embodiment one of the present application;

[0057] Figure 3 The two support sleeves and the transmission box of the numerical control punching equipment for tantalum shell forming provided by the embodiment one of the present application are provided.

[0058] Figure 4 The die mechanism structure three-dimensional schematic view of the numerical control punching equipment for tantalum shell forming provided by the embodiment one of the present application;

[0059] Figure 5The upper die plate, multiple stroke guide rods, edge folding pressing frame and multiple vertical corner cutting knife connecting structure three-dimensional schematic view of the numerical control stamping equipment for tantalum shell forming provided in Embodiment One of the present application;

[0060] Figure 6 The gas tank cross-sectional structure schematic view of the numerical control stamping equipment for tantalum shell forming provided in Embodiment One of the present application;

[0061] Figure 7 The edge folding pressing frame and multiple vertical corner cutting knife connecting structure three-dimensional schematic view of the numerical control stamping equipment for tantalum shell forming provided in Embodiment One of the present application;

[0062] Figure 8 The die bottom box internal structure three-dimensional schematic view of the numerical control stamping equipment for tantalum shell forming provided in Embodiment One of the present application;

[0063] Figure 9 The die bottom box cross-sectional structure schematic view of the numerical control stamping equipment for tantalum shell forming provided in Embodiment One of the present application;

[0064] Figure 10 The multiple L-shaped transmission plates and rectangular blocking ring cooperation structure three-dimensional schematic view of the numerical control stamping equipment for tantalum shell forming provided in Embodiment One of the present application;

[0065] Figure 11 The die bottom box structure three-dimensional schematic view of the numerical control stamping equipment for tantalum shell forming provided in Embodiment Two of the present application;

[0066] Figure 12 The die bottom box internal structure three-dimensional schematic view of the numerical control stamping equipment for tantalum shell forming provided in Embodiment Two of the present application;

[0067] Figure 13 The die bottom box cross-sectional structure schematic view of the numerical control stamping equipment for tantalum shell forming provided in Embodiment Two of the present application;

[0068] Figure 14 The conveying box cross-sectional structure three-dimensional schematic view of the numerical control stamping equipment for tantalum shell forming provided in Embodiment Two of the present application;

[0069] Figure 15 The three-dimensional flow schematic view of the tantalum shell formed by stamping the tantalum plate in the present application.

[0070] Reference signs:

[0071] 1, base; 2, support sleeve; 3, support rod; 4, pressing plate; 5, pressing seat; 6, first shunt pipe; 7, second shunt pipe; 8, transmission box; 9, first electric push rod; 10, piston plate; 11, conveying pipe; 12, push plate; 13, butt joint ring; 14, mold bottom box; 15, support plate; 16, stroke guide rod; 17, upper mold plate; 18, edge folding pressing frame; 19, vertical corner cutting knife; 20, mounting groove; 21, elastic rubber column; 22, side edge pressing strip; 23, air tank; 24, mounting plate; 25, air pipe; 26, electromagnetic valve; 27, moving rod; 28, driving plate; 29, stress plate; 30, first compression spring; 31, corrugated sheath; 32, gas conveying pipe; 33, rectangular ring pipe; 34, elbow pipe; 35, rectangular support; 36, backing plate; 37, L-shaped transmission plate; 38, supporting plate; 39, limiting ring; 40, moving plate; 41, baffle; 42, rotating plate; 43, connecting shaft; 44, torsion spring; 45, moving frame; 46, rectangular blocking ring; 47, limiting cover; 48, ejector pin; 49, limiting guide rod; 50, connecting frame; 51, second compression spring; 52, waste discharge box; 53, support pipe; 54, hydraulic tank; 55, second electric push rod; 56, push plate; 57, conveying box; 58, fixing frame; 59, sliding rod; 60, double-cone-shaped moving sealing plate; 61, sealing ring; 62, push ring; 63, third compression spring. DETAILED DESCRIPTION

[0072] The embodiments of the present application will be described below in conjunction with the accompanying drawings.

[0073] In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "connection", "installation" should be understood in a broad sense, for example, "connection" can be detachable connection or non-detachable connection, and can be direct connection or indirect connection through an intermediate medium. In addition, "communication" can be direct communication or indirect communication through an intermediate medium. Among them, "fixing" means connecting with each other and the relative positional relationship after connection does not change. The orientation language mentioned in the embodiments of the present application, such as "inner", "outer", "top", "bottom", etc., is only the direction of the drawings, therefore, the orientation language used is to better and more clearly illustrate and understand the embodiments of the present application, and cannot be understood as indicating or implying that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the embodiments of the present application.

[0074] In the embodiments of the present application, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features.

[0075] In this embodiment of the invention, "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent three cases: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0076] Example 1: Refer to Figures 1-10 A stamping device includes a base 1, with a docking ring 13 fixedly installed on the top of the base 1. Two guide support frames are symmetrically arranged on the top of the base 1. Each guide support frame consists of two support sleeves 2 fixed to the top of the base 1. A piston plate 10 is tightly slidably connected inside the support sleeve 2. A support rod 3 is fixedly installed on the top of the piston plate 10, with the top end of the support rod 3 extending above the support sleeve 2. The top ends of the support rods 3 on the two support sleeves 2 are connected to a pressure plate 4. A pressure seat 5 is fixedly installed at the center of the bottom of the pressure plate 4.

[0077] like Figures 1-3 As shown, the same transmission assembly is connected to the two support sleeves 2, and the transmission assembly is installed on the top of the base 1. The transmission assembly includes a first diverter pipe 6 and a second diverter pipe 7. The two ends of the first diverter pipe 6 and the second diverter pipe 7 extend into the two support sleeves 2 respectively and are fixedly connected to the inner wall of one side of the support sleeve 2. The first diverter pipe 6 and the second diverter pipe 7 are located above and below the piston plate 10, respectively. The same transmission box 8 located between the two support sleeves 2 is fixedly installed on the two support sleeves 2. The top inner wall and the bottom inner wall of the transmission box 8 are both fixedly installed with conveying pipes 11. The ends of the two conveying pipes 11 that are far apart from each other extend into the first diverter pipe 6 and the second diverter pipe 7, respectively, and are fixedly connected to the corresponding inner walls. Two first electric push rods 9 are symmetrically fixedly installed on the top of the base 1. The output ends of the two first electric push rods 9 extend into the transmission box 8 and are fixedly installed with the same push plate 12. The push plate 12 is tightly slidably connected to the inner wall of the transmission box 8. Hydraulic oil is provided in the transmission box 8 and the two support sleeves 2, and the hydraulic oil is distributed above and below the push plate 12, respectively. Activating the two first electric push rods 9 moves the push plate 12 upward, which pushes the hydraulic oil above the push plate 12 through the corresponding delivery pipe 11 to the second diversion pipe 7, and then distributes it to the two support sleeves 2, pushing the piston plate 10 downward, which in turn drives the support rods 3 and the pressure plate 4 downward, using the pressure seat 5 to drive the mold assembly. When the piston plate 10 moves downward, it delivers the hydraulic oil below the piston plate 10 to the first diversion pipe 6, and then returns to the transmission box 8 through the corresponding delivery pipe 11. Activating the two first electric push rods 9 moves the push plate 12 downward, which drives the two support rods 3 to move upward and reset.

[0078] like Figures 4-10As shown, the device further comprises a mold mechanism, a mold base box 14 of the mold mechanism is clamped in the butt joint ring 13. A compression mold assembly is connected on the mold base box 14, the compression mold assembly comprises two support plates 15 which are respectively fixedly installed on the top of two sides of the mold base box 14, two stroke guide rods 16 are symmetrically and slidingly connected on the support plates 15, the bottom ends of the four stroke guide rods 16 are connected with the ejection assembly, and the top ends of the four stroke guide rods 16 extend above the mold base box 14 and are fixedly installed with the same upper mold plate 17. The upper mold plate 17 is fixedly installed with a flange pressing frame 18 at the bottom, the four bottom inner corners of the flange pressing frame 18 are provided with inclined chamfers, the four corners of the flange pressing frame 18 are fixedly installed with vertical corner cutting knives 19, and the bottom ends of the vertical corner cutting knives 19 extend below the flange pressing frame 18. The four corner places of the mold base box 14 are fixedly embedded with waste discharge boxes 52 which are outwardly opened, and the top inner walls of the waste discharge boxes 52 and the four corner places of the rectangular support 35 in the mold base box 14 are provided with blanking holes. When the pressing seat 5 moves downward to press the upper mold plate 17, the upper mold plate 17 moves vertically downward under the sliding cooperation of the stroke guide rods 16 and the support plates 15, drives the flange pressing frame 18 and the four vertical corner cutting knives 19 to move downward synchronously, uses the vertical corner cutting knives 19 to stamp and cut the tantalum plate, and the corner cutting waste falls into the waste discharge boxes 52 through the blanking holes. After the corner cutting is completed, the flange pressing frame 18 uses the bottom inclined chamfer to press and stamp the flange of the tantalum plate, so that the four edges of the tantalum plate are bent to be perpendicular.

[0079] As Figure 6As shown, the top center of the upper die plate 17 is fixedly installed with a gas tank 23, a plurality of gas conveying pipes 32 are fixedly installed on the inner wall of the side of the gas tank 23 at equal intervals, a rectangular ring pipe 33 is fixedly installed on the top of the upper die plate 17, one end of the gas conveying pipe 32 extends into the rectangular ring pipe 33 and is fixedly connected with the inner wall of one side of the rectangular ring pipe 33. A plurality of elbow pipes 34 are fixedly installed on the inner wall of four sides of the rectangular ring pipe 33 at equal intervals, the bottom end of the elbow pipe 34 penetrates through the upper die plate 17 and is fixedly connected therewith. The inner wall of four sides of the flange pressing frame 18 is provided with an installation groove 20, the side edge pressing strip 22 is closely and slidably connected in the installation groove 20, a plurality of elastic rubber columns 21 are fixedly installed on the inner wall of one side of the installation groove 20 at equal intervals, one end of the elastic rubber column 21 is fixedly connected with the corresponding side edge pressing strip 22. The inner wall of the top of the gas tank 23 penetrates and slidably connects with a moving rod 27, the bottom end of the moving rod 27 is fixedly installed with a driving plate 28, the driving plate 28 is closely and slidably connected with the inner wall of the gas tank 23, and the top end of the moving rod 27 is fixedly installed with a stress plate 29. The first compression spring 30 is sleeved on the moving rod 27 above the gas tank 23, the top end and the bottom end of the first compression spring 30 are fixedly connected with the bottom of the stress plate 29 and the top of the gas tank 23 through the pull hook respectively, the first compression spring 30 is sleeved with a telescopic corrugated sheath 31, and the top and the bottom of the corrugated sheath 31 are fixedly connected with the bottom of the stress plate 29 and the top of the gas tank 23 respectively. The installation plate 24 is fixedly installed below the driving plate 28 in the gas tank 23, a plurality of air pipes 25 are fixedly installed on the installation plate 24 at equal intervals, and the electromagnetic valve 26 is fixedly installed in the air pipe 25. The stress plate 29 is pressed downward by the downward movement of the pressing seat 5, when the stress plate 29 moves downward, the driving plate 28 can be driven to move downward through the moving rod 27, at this time, when the plurality of electromagnetic valves 26 are closed, the gas between the driving plate 28 and the installation plate 24 can be compressed, at the same time, under the action of the gas pressure, the upper die plate 17 can be driven to move downward, and when the stress plate 29 moves downward, the first compression spring 30 can be compressed, so that the elastic potential energy of the first compression spring 30 increases, after the flange pressing frame 18 can press the four edges of the tantalum plate, at this time, the plurality of electromagnetic valves 26 are opened, the compressed gas can flow to the below of the installation plate 24 through the plurality of air pipes 25, then the gas in the gas tank 23 can be dispersed and conveyed into the plurality of gas conveying pipes 32, and then conveyed into the installation groove 20 through the rectangular ring pipe 33 and the elbow pipe 34, the side edge pressing strip 22 is driven to move outward in a pneumatic mode, the tantalum plate is further pressed vertically, and the four edges are kept in a vertical state. When the side edge pressing strip 22 moves outward, the elastic rubber column 21 is stretched, so that it is in a stressed state. When the upper die plate 17 moves upward, the elastic rubber column 21 restores to its original shape, and the side edge pressing strip 22 moves into the installation groove 20.After the edge stamping is completed, the electromagnetic valve 26 is opened, the compressed gas is delivered to the lower side of the mounting plate 24 through the air pipes 25, and the first compression spring 30 in the stressed state can push the stressed plate 29 to move upwardly and reset, at this time, the driving plate 28 can be driven by the moving rod 27 to move upwardly and reset, and the gas flowing into the mounting plate 24 can be sucked into the upper side of the mounting plate 24 through the air pipes 25, so that the side edge pressing strips 22 can be moved outwardly by using the pneumatic form again when the tantalum plate is stamped and formed into a tantalum shell next time, and the tantalum plate is further pressed and formed on four sides.

[0080] As shown in Figures 8-9 , the ejector assembly is arranged in the mold base 14, the ejector assembly comprises a moving frame 45 slidably connected in the mold base 14, a rectangular blocking ring 46 is fixedly installed on the top of the moving frame 45, and the top of the rectangular blocking ring 46 is in contact with the bottom of the backing plate 36. A plurality of limiting covers 47 are symmetrically fixedly installed on the top of the moving frame 45, a top rod 48 is fixedly installed on the top of the limiting cover 47, the top end of the top rod 48 penetrates through the backing plate 36 and extends to the upper side thereof, and is used for ejecting the tantalum shell stamped and formed. The moving frame 45 penetrates through four slide holes corresponding to the two sides of the mold base 14 and extends to the outside, and is fixedly connected with the bottom ends of the four stroke guide rods 16. The reset member is arranged on the inner wall of the bottom of the mold base 14, penetrates through the moving frame 45 and extends to the plurality of limiting covers 47, cooperates with the limiting cover 47 and is connected with the bottom of the moving frame 45.

[0081] As shown in Figures 8-9 , the reset member comprises a plurality of limiting guide rods 49 which are symmetrically fixedly installed on the inner wall of the bottom of the mold base 14, one connecting frame 50 is commonly fixedly installed on the plurality of limiting guide rods 49, the top end of the limiting guide rod 49 penetrates through the moving frame 45 and extends to the limiting cover 47, and is slidably connected with the inner wall of the limiting cover 47. The second compression spring 51 is sleeved on the limiting guide rod 49 between the moving frame 45 and the connecting frame 50, and the top end and the bottom end of the second compression spring 51 are fixedly connected with the bottom of the moving frame 45 and the top of the connecting frame 50 through the hooks. The moving frame 45 is driven to move downwardly by the upper die plate 17, the second compression spring 51 is compressed, and the top rod 48 is retracted into the backing plate 36. After stamping and forming, the stressed plate 29 is released from the pressing, the moving frame 45 is pushed upwardly and reset by the second compression spring 51, the upper die plate 17 is driven to move upwardly and reset, and the top rod 48 penetrates through the backing plate 36 to eject the formed tantalum shell.

[0082] As shown in Figures 9-10As shown, a plurality of support assemblies are connected on the rectangular support 35 at equal intervals, the support assembly comprises an L-shaped transmission plate 37 penetrating through the rectangular support 35 and being in longitudinal sliding connection with the rectangular support 35, the L-shaped transmission plate 37 is fixedly installed with a supporting plate 38 on the top, and the top of the supporting plate 38 is flush with the top of the backing plate 36. A plurality of limiting rings 39 are fixedly installed on the bottom of the L-shaped transmission plate 37 at equal intervals, a moving plate 40 is slidingly connected in the limiting ring 39, a connecting shaft 43 is rotatably connected on the moving plate 40, a rotating plate 42 is fixedly sleeved on the connecting shaft 43, and the bottom of the rotating plate 42 is rotatably connected with the inner wall of one side of the mold bottom box 14. Two torsion springs 44 are symmetrically sleeved on the connecting shaft 43 and located on the two sides of the moving plate 40, and the two ends of the torsion spring 44 are fixedly connected with the corresponding one end of the connecting shaft 43 and the corresponding one side of the moving plate 40 through the pull hook. A baffle 41 is fixedly installed on one side of the plurality of moving plates 40, and the baffle 41 is in contact with the corresponding one side of the L-shaped transmission plate 37 and the rectangular blocking ring 46. When the rectangular blocking ring 46 supports the baffle 41, the plurality of moving plates 40 and the rotating plate 42 are kept stable, the L-shaped transmission plate 37 is supported, the L-shaped transmission plate 37 cannot move downward, and thus the supporting plate 38 supports the four edges of the tantalum plate during stamping and cutting of the four corners of the tantalum plate. After the four corners of the tantalum plate are cut, the baffle 41 is out of contact with the rectangular blocking ring 46, the supporting plate 38 is pushed to move downward during stamping and cutting of the tantalum plate by the edge folding pressing frame 18, the L-shaped transmission plate 37 is driven to move downward, and then the moving plate 40 is driven to move downward, the rotating plate 42 is rotated to the horizontal direction, and the elastic potential energy of the torsion spring 44 is increased. After the tantalum shell is stamped, the upper die plate 17 is moved upward, the plurality of supporting plates 38 are out of position, the torsion spring 44 in the stressed state can drive the connecting shaft 43 to rotate reversely, at this time, the connecting shaft 43 can drive the rotating plate 42 to rotate upward, the moving plate 40 and the L-shaped transmission plate 37 are driven to move upward, and the supporting plate 38 is reset to the initial position. Then the rectangular blocking ring 46 is moved back to the original position to support and limit the baffle 41, and the supporting plate 38 supports the subsequent tantalum plate.

[0083] The present application provides a stamping forming process applied in the numerical control stamping equipment for forming the tantalum shell as described above, comprising the following steps:

[0084] S1, equipment preparation: placing the tantalum plate to be stamped on the backing plate 36, ensuring that the tantalum plate is flat and aligned with the supporting plate 38 in the support assembly, so as to obtain stable support during stamping;

[0085] S2, start stamping: start the two first electric push rods 9, push the push plate 12 to move upward, so that the hydraulic oil in the transmission box 8 enters the second shunt pipe 7 through the conveying pipe 11, and is dispersed into the two support sleeves 2, the hydraulic oil drives the piston plate 10 to move downward, thereby driving the supporting rod 3 and the pressing plate 4 to move downward;

[0086] S3, corner cutting operation: when the pressing plate 4 moves downward, the pressing seat 5 contacts the force receiving plate 29, and drives the upper die plate 17 to move downward, the upper die plate 17 is guided to vertically descend through the stroke guide rod 16, the vertical corner cutting knife 19 first cuts the four corners of the tantalum plate, and the corner cutting material falls into the waste material discharge box 52 through the blanking hole and is discharged;

[0087] S4, edge bending stamping: the upper die plate 17 continues to move downward, the edge bending pressing frame 18 uses the inclined chamfer at the bottom thereof to bend and stamp the four edges of the tantalum plate, so that the four edges of the tantalum plate are gradually formed into a vertical state, and a preliminary shape of the tantalum shell is formed;

[0088] S5, pneumatic auxiliary pressing: after the edge bending stamping is completed, the force receiving plate 29 continues to move downward, and the gas in the compression gas tank 23 is compressed, at this time the electromagnetic valve 26 is opened, the compressed gas enters the installation groove 20 through the air pipe 25, the gas conveying pipe 32, the rectangular ring pipe 33 and the elbow pipe 34, drives the side edge pressing strip 22 to move outward, further presses the vertical edge of the tantalum plate, ensures that the tantalum plate edge corner remains in a vertical state, and at the same time the elastic rubber column 21 is stretched;

[0089] S6, ejection assembly preparation: during the stamping process, the upper die plate 17 moves downward and drives the moving frame 45 to move downward through the stroke guide rod 16, the moving frame 45 compresses the reset component, so that the ejector rod 48 is retracted into the backing plate 36, at the same time, the baffle 41 in the supporting assembly is separated from the rectangular baffle ring 46, the supporting plate 38 moves downward to avoid interference with the edge bending process;

[0090] S7, stamping completion and reset: after the stamping is completed, the first electric push rod 9 is reset, the push plate 12 moves downward, the hydraulic oil flows back to the transmission tank 8 through the first shunt pipe 6, the piston plate 10 moves upward, drives the pressing plate 4 and the pressing seat 5 to reset upward, at the same time, the reset component moves, drives the moving frame 45 to move upward, so as to drive the upper die plate 17 to reset upward through the stroke guide rod 16, and the ejector rod 48 moves upward to eject the formed tantalum shell from the backing plate 36;

[0091] S8, supporting assembly reset: after the stamping is completed, the torsion spring 44 in the supporting assembly drives the rotating plate 42 to rotate upward, drives the moving plate 40 and the L-shaped transmission plate 37 to move upward, so that the supporting plate 38 is reset to the position flat with the backing plate 36, at the same time, the rectangular baffle ring 46 supports the baffle 41 again, and prepares for the next stamping;

[0092] S9, take out the finished product: take out the ejected formed tantalum shell from the backing plate 36, check the quality, clean the equipment, and prepare for the next stamping cycle.

[0093] The present application can be used in the technical field of metal stamping machinery, and can also be used in other fields applicable to the present application.

[0094] Example 2: reference Figures 11-14On the basis of the above embodiment, improve: a kind of numerical control stamping equipment for tantalum shell forming, it is applied to metal stamping mechanical technology field, another implementation for reset component, it includes multiple support tubes 53 fixedly installed at equal intervals on the inner wall of the bottom of mold bottom box 14, the top of support tube 53 penetrates through moving frame 45 and extends into limiting cover 47, and is closely slidably connected with the inner wall of limiting cover 47.The hydraulic tank 54 is fixedly installed on the inner wall of the bottom of mold bottom box 14, and hydraulic oil is arranged in the hydraulic tank 54, multiple support tubes 53 and multiple limiting covers 47.The second electric push rod 55 is fixedly installed on the top of hydraulic tank 54, and the output shaft of second electric push rod 55 extends into hydraulic tank 54 and is fixedly installed push plate 56, and push plate 56 is closely slidably connected with the inner wall of hydraulic tank 54.The multiple delivery boxes 57 are fixedly installed at equal intervals on the inner wall of the bottom of hydraulic tank 54, and one end of delivery box 57 extends into corresponding support tube 53 and is fixedly connected with the inner wall of the bottom of support tube 53.The two fixed frames 58 are fixedly installed in support tube 53, and the same slide bar 59 is fixedly installed on the two fixed frames 58, and the double-cone movable sealing plate 60 is closely slidably sleeved on the slide bar 59 between the two fixed frames 58.The closed ring 61 is fixedly installed in delivery box 57, and the double-cone movable sealing plate 60 penetrates through closed ring 61 and is closely attached to the inner wall of closed ring 61.The two push rings 62 are closely slidably sleeved on the slide bar 59, and the two push rings 62 are located on the two sides of double-cone movable sealing plate 60 and are in contact with the two sides thereof.The third compression spring 63 is sleeved on the side of slide bar 59, away from the two push rings 62, and the two ends of third compression spring 63 are fixedly connected with the one side of fixed frame 58 and the one side of push ring 62 by means of hook.In this embodiment, when the tantalum plate is stamped and formed, the upper die plate 17 is driven to move downward, and the four stroke guide rods 16 can drive the moving frame 45 to move downward, and the limiting cover 47 is moved downward, the hydraulic oil in the limiting cover 47 is delivered to the delivery box 57 through the support tube 53, the double-cone movable sealing plate 60 is pushed out of the closed ring 61, so that the closed ring 61 is in a flowing state, and the hydraulic oil is delivered to the hydraulic tank 54.After stamping and forming, the third compression spring 63 pushes the double-cone movable sealing plate 60 to move reversely by means of the push ring 62, and the closed ring 61 is sealed, so that the hydraulic oil can not flow randomly.When the mold needs to be opened, the second electric push rod 55 is started to drive the push plate 56 to move downward, and the hydraulic oil in the hydraulic tank 54 is pushed into the multiple delivery boxes 57, the double-cone movable sealing plate 60 is pushed out of the closed ring 61, the hydraulic oil is delivered to the limiting cover 47 through the support tube 53, the limiting cover 47 is moved upward, the moving frame 45 and the upper die plate 17 are reset upward, and the ejector rod 48 ejects the formed tantalum shell.

[0095] However, as known to those skilled in the art, the working principles and wiring methods of the first electric push rod 9, the electromagnetic valve 26 and the second electric push rod 55 are conventional means or common general knowledge, and will not be described here in detail, and those skilled in the art can make any selection according to their needs or convenience.

[0096] The drawings in the specification of the present application are only of a schematic nature, and the sizes and shapes of the components shown are not actual limitations but only a schematic representation. In actual implementation, the components can be reasonably configured and adjusted according to specific needs and actual conditions.

[0097] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application; in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A CNC stamping machine for forming tantalum shells, characterized in that, include: Base (1), and a docking ring (13) is fixedly installed on the top of the base (1); Two guide support frames are symmetrically arranged on the top of the base (1); A pressure plate (4) is connected to the top of the two guide support frames, and a pressure seat (5) is fixedly installed at the bottom center of the pressure plate (4). The mold mechanism includes a mold base box (14) fitted into the docking ring (13), a rectangular bracket (35) fixedly installed inside the mold base box (14), a pad (36) for supporting the tantalum plate fixedly installed inside the rectangular bracket (35), an ejection assembly provided inside the mold base box (14), a rectangular retaining ring (46) connected to the ejection assembly, the ejection assembly including a reset component, the top of the ejection assembly penetrating through the pad (36) and extending above it, and the two sides of the ejection assembly penetrating through the sliding holes of the side wall of the mold base box (14) and connected to the bottom of the pressing mold assembly; Multiple trays (38) are provided, and support components are connected to the bottom of each tray (38). All support components are connected to the molding assembly. The molding assembly includes two support plates (15), four stroke guide rods (16), an upper template (17), and a folding press frame (18). The two support plates (15) are respectively fixed to the top of the two sides of the mold base box (14), and the four stroke guide rods (16) symmetrically pass through the support plates (15) and slide in fit. Their top ends are fixedly connected to the upper template (17), and their bottom ends are fixedly connected to the ejection assembly. The folding frame (18) is fixed to the bottom of the upper template (17), and vertical edge cutting blades (19) are fixedly installed at its four corners. The mold base box (14) is fixedly embedded with waste discharge boxes (52) at its four corners. The waste discharge boxes (52) and the rectangular bracket (35) are all provided with dropping holes at their four corners. The vertical corner cutting blade (19) first cuts the corner of the tantalum plate, and the corner cutting waste falls into the waste discharge box (52) through the discharge hole. Then the folding frame (18) folds the edge of the tantalum plate to form the preliminary shape of the tantalum shell. The support assembly includes an L-shaped transmission plate (37) that passes through the rectangular bracket (35) and is slidably engaged with it. The support plate (38) is fixedly installed on the top of the L-shaped transmission plate (37), and the top of the support plate (38) is flush with the top of the pad (36). Multiple limiting rings (39) are fixedly installed at the bottom of the L-shaped transmission plate (37). A movable plate (40) is slidably connected through the limiting ring (39). A connecting shaft (43) is rotatably connected through the movable plate (40). A rotating plate (42) that is rotatably connected to the inner wall of the mold base box (14) is fixedly sleeved on the connecting shaft (43). A torsion spring (44) is sleeved on the connecting shaft (43). The same baffle (41) is fixedly installed on one side of the multiple movable plates (40). The baffle (41) is in contact with the side of the rectangular retaining ring (46). When the corner is cut, the rectangular retaining ring (46) supports the baffle (41), so that the support plate (38) supports the edge of the tantalum plate; when the edge is folded, the rectangular retaining ring (46) moves down, the baffle (41) loses support, and the support plate (38) moves down to avoid it; after stamping, the torsion spring (44) drives the support plate (38) to reset, in preparation for the next stamping.

2. The CNC stamping equipment for tantalum shell forming according to claim 1, characterized in that, An air box (23) is fixedly installed at the top center of the upper template (17). The air box (23) is connected to a rectangular ring pipe (33) fixed to the top of the upper template (17) through an air supply pipe (32). The rectangular ring pipe (33) is connected to the mounting groove (20) on the inner wall of the folding frame (18) through a bend pipe (34). A side edge strip (22) is tightly slidably connected inside the mounting groove (20), and the inner wall of the mounting groove (20) is connected to the side edge strip (22) through an elastic rubber column (21); A movable rod (27) is slidably connected through the top of the air box (23). A drive plate (28) that slides with the inner wall of the air box (23) is fixedly installed at the bottom of the movable rod (27), and a force plate (29) is fixedly installed at the top. A first compression spring (30) is sleeved on the movable rod (27). After the edge is folded, the gas in the gas box (23) enters the mounting groove (20) through the gas supply pipe (32), the rectangular ring pipe (33), and the bend pipe (34), driving the side edge pressing strip (22) to move outward, further pressing the edge corner of the tantalum plate to ensure its verticality.

3. The CNC stamping equipment for tantalum shell forming according to claim 2, characterized in that, The air box (23) is fixedly installed with a mounting plate (24) located below the drive plate (28). Multiple air pipes (25) are fixedly installed through the mounting plate (24). A solenoid valve (26) is fixedly installed inside the air pipe (25). Before the edge is folded, the solenoid valve (26) is closed, so that the gas in the air box (23) can be compressed; after the edge is folded, the solenoid valve (26) is opened, and the compressed gas enters the lower part of the air box (23) through the air pipe (25), thereby driving the side edge pressing strip (22) to move.

4. The CNC stamping equipment for tantalum shell forming according to claim 3, characterized in that, The ejection assembly includes a movable frame (45) slidably connected to the mold base box (14), a rectangular retaining ring (46) fixedly installed on the top of the movable frame (45), the top of the rectangular retaining ring (46) contacting the bottom of the pad (36), a plurality of limiting covers (47) symmetrically fixedly installed on the top of the movable frame (45), and a push rod (48) fixedly installed on the top of the limiting cover (47), the top end of the push rod (48) penetrating the pad (36). During stamping, the moving frame (45) drives the top rod (48) to retract into the pad (36); after stamping, the moving frame (45) drives the top rod (48) to extend, push out the tantalum shell, and at the same time drive the upper template (17) to reset through the stroke guide rod (16).

5. The CNC stamping equipment for tantalum shell forming according to claim 4, characterized in that, The reset component includes multiple limiting guide rods (49) symmetrically fixed to the inner wall of the bottom of the mold base box (14). The same connecting frame (50) is fixedly installed on the multiple limiting guide rods (49). The top of the limiting guide rod (49) passes through the movable frame (45) and extends into the limiting cover (47), and slides with the inner wall of the limiting cover (47). A second compression spring (51) is sleeved on the limiting guide rod (49), and the two ends of the second compression spring (51) are respectively connected to the bottom of the moving frame (45) and the top of the connecting frame (50); During stamping, the moving frame (45) compresses the second compression spring (51); after stamping, the second compression spring (51) releases its elastic potential energy, pushing the moving frame (45) upward to provide power for the push rod (48) to push out the tantalum shell.

6. A stamping process, applied in the CNC stamping equipment for tantalum shell forming as described in claim 5, characterized in that, Includes the following steps: S1. Equipment preparation: Place the tantalum plate to be stamped on the pad (36) to ensure that the tantalum plate is flat and aligned with the support plate (38) in the support assembly so as to obtain stable support during the stamping process; S2, Start stamping: Start the two guide support frames to move the pressure plate (4) downward; S3, Corner cutting operation: When the pressure plate (4) moves downward, the pressure seat (5) contacts the force plate (29), which drives the upper template (17) to move downward. The upper template (17) is guided to descend vertically through the stroke guide rod (16). The vertical corner cutting knife (19) first punches and cuts the four corners of the tantalum plate. The cut corner material falls into the waste discharge box (52) through the drop hole and is discharged. S4, Folding and Stamping: The upper template (17) continues to move downwards, and the folding press (18) uses the beveled corner at the bottom to bend and stamp the four sides of the tantalum plate, so that the four sides of the tantalum plate gradually form a vertical state and form the initial shape of the tantalum shell. S5, Pneumatic Assisted Pressing: After the edge stamping is completed, the force plate (29) continues to move downward, compressing the gas in the air box (23). At this time, the solenoid valve (26) opens, and the compressed gas enters the mounting groove (20) through the air pipe (25), the air supply pipe (32), the rectangular ring pipe (33) and the bend pipe (34), driving the side edge pressing strip (22) to move outward, further pressing the vertical edge of the tantalum plate, ensuring that the corner of the tantalum plate remains vertical, while the elastic rubber column (21) is stretched. S6. Preparation of ejection assembly: During the stamping process, the upper template (17) moves downward and drives the moving frame (45) to move downward through the stroke guide rod (16). The moving frame (45) compresses the reset component, causing the ejector rod (48) to retract into the pad plate (36). At the same time, the baffle (41) in the support assembly disengages from the rectangular retaining ring (46), and the support plate (38) moves downward to avoid interfering with the folding process. S7. Stamping completion and resetting: After stamping, the two guide support frames are reset, which can drive the pressure plate (4) and pressure seat (5) to reset upward. At the same time, the resetting component moves and pushes the moving frame (45) to move upward, thereby driving the upper template (17) to reset upward through the stroke guide rod (16). The top rod (48) moves upward to push the formed tantalum shell out of the pad plate (36). S8. Support assembly reset: After stamping is completed, the torsion spring (44) in the support assembly drives the rotating plate (42) to rotate upward, which drives the moving plate (40) and the L-shaped transmission plate (37) to move upward, so that the support plate (38) is reset to the position flush with the pad plate (36). At the same time, the rectangular retaining ring (46) re-supports the baffle (41) to prepare for the next stamping. S9. Remove the finished product: Remove the ejected tantalum shell from the pad (36), check the quality, clean the equipment, and prepare for the next stamping cycle.

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