Copper terminal stamping die

Abstract

The invention provides a copper terminal stamping die, and relates to the technical field of stamping dies, and the copper terminal stamping die comprises a lower die mechanism which comprises a lower die base, and an auxiliary bending assembly is installed at the internal output end of the lower die base; the upper die mechanism comprises an upper movable plate, a first punching assembly, a second punching assembly, a third punching assembly and a pressing assembly; the first punching assembly is used for punching a convex ring on the copper strip, and a connecting rib is reserved between the convex ring and the copper strip; the pressing part is arranged on one side of the convex ring positioning part; the third punching assembly comprises the following punching processes that when the third punching assembly descends in the first stage, a convex ring positioning part downwards presses a convex ring; the third punching assembly descends in the second stage; the third punching assembly descends in the third stage; and the overturning assembly is grabbed. Through mutual cooperation of the lower die mechanism, the upper die mechanism, the grabbing and overturning assembly and the suspension conveying assembly, a copper terminal can be punched and formed on a copper strip, and the formed copper terminal is discharged.

Description

Technical Field

[0001] This invention relates to the field of copper terminal stamping technology, and more specifically to a copper terminal stamping die. Background Technology

[0002] Copper terminals, as a core component in the field of electrical connections, are widely used in circuit connections of various electronic, power, and communication equipment. Their forming accuracy and production efficiency directly affect the stability of electrical connections and the assembly efficiency of related equipment, and are of great significance to the promotion of large-scale and standardized industrial production. Currently, the mainstream manufacturing process for copper terminals is a step-by-step stamping and bending process. The specific process is as follows: First, copper strip raw material is fed into a special stamping die, and a flat wrapping plate, i.e., a copper terminal semi-finished product, is obtained through stamping. Then, the operator needs to transfer the stamped semi-finished product to another bending station, and use special bending equipment to perform a second bending process on the wrapping plate to finally obtain the finished copper terminal that meets the design requirements. However, the existing step-by-step stamping and bending process has the following drawbacks: First, the production process is divided into two independent steps, stamping and bending, resulting in a lengthy overall production flow and long switching time between steps, which significantly reduces the output per unit time. Second, the two steps need to be completed between different equipment or workstations. During the workpiece transfer process, not only are manual operations and intermediate handling time increased, but errors in manual handling or equipment docking can also lead to positioning deviations and surface scratches on semi-finished products, affecting the accuracy of subsequent bending processing and the yield of finished products. Third, the separation of steps increases the space occupied by equipment and requires multiple sets of equipment and corresponding operators, increasing production costs and management difficulty. Summary of the Invention

[0003] To address the shortcomings of existing technologies, this invention provides a copper terminal stamping die, which solves the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: A copper terminal stamping die includes: a lower die mechanism, which includes a lower die base, and an auxiliary bending component is installed at the internal output end of the lower die base; an upper die mechanism, which includes an upper movable plate, a first punching component, a second punching component, a third punching component, and a lower pressing component. The lower pressing component is spaced apart at the bottom of the upper movable plate. The first punching component, the second punching component, and the third punching component are sequentially arranged between the lower pressing component and the upper movable plate along the copper strip conveying direction. The auxiliary bending component is located below the third punching component. The first punching component is used to punch out a protruding ring on the copper strip, with a connecting rib between the protruding ring and the copper strip. The second punching component is used to punch out a flat wrapping plate integrally connected to the protruding ring on the copper strip. The third punching component is used to cut the connecting rib of the protruding ring and punch the wrapping plate into a C-shaped wrapping plate to obtain a copper terminal. The third punching component is provided in two sets and arranged in opposite directions. The third punching component includes a protruding ring positioning component, a pressing component, and a cutting component. The pressing component is located on one side of the protruding ring positioning component. All components are installed on the bottom surface of the upper movable plate, and the cutting component is located on the side of the convex ring positioning component. The third punching assembly includes the following punching process: When the third punching assembly descends in the first stage, the convex ring positioning component presses down on the convex ring, the cutting component cuts the connecting rib, and the pressing component contacts the flat wrapping plate; When the third punching assembly descends in the second stage, the convex ring positioning component abuts against the convex ring as it descends, and the pressing component cooperates with the auxiliary bending component to punch the flat wrapping plate into a U-shaped wrapping plate; When the third punching assembly descends in the third stage, the convex ring positioning component abuts against the convex ring as it descends, and the pressing component cooperates with the auxiliary bending component to punch the U-shaped wrapping plate into a C-shaped wrapping plate, thus obtaining copper terminals; When the third punching assembly is lifted, the pressing component is lifted and drives the copper terminals wrapped on its outer wall to follow suit; The gripping and flipping assembly is symmetrically installed on both sides of the output end of the lower die base to remove the copper terminals wrapped on the outer wall of the pressing component; The hanging output assembly is installed on the outside of the gripping and flipping assembly to receive the copper terminals during the flipping process of the gripping and flipping assembly.

[0005] Furthermore, the auxiliary bending assembly is provided in two sets, arranged in opposite directions. Each auxiliary bending assembly includes a shaping pneumatic rod, opposing rails, side plates, and a pressure damping rod. The shaping pneumatic rod, opposing rails, side plates, and pressure damping rod are fixedly connected within the lower die base. Clamping rods are slidably connected within the opposing rails. A clamping block is fixedly connected to the output end of the shaping pneumatic rod. Connecting rods are rotatably connected to the clamping blocks via pins, with one end of each connecting rod rotating with the clamping rod. The top surface of the damping rod is fixedly connected to a pad, the top surface of the pad has a round hole, and a cutting groove is provided on one side of the pad between the inner wall of the lower mold base. A shaping damping rod is symmetrically fixedly connected to one side of the side plate, and a shaping plate is fixedly connected to one end of the shaping damping rod. A forming groove is provided on the lower part of one side of the shaping plate, and an arc-shaped extrusion block is fixedly connected to one side of the shaping plate above the forming groove. An arc surface is provided on one side of the top surface of the shaping plate.

[0006] Furthermore, the first punching assembly is provided in two sets and arranged in opposite directions. The first punching assembly includes a punching column and an arc-shaped punching knife. The bottom surface of the upper movable plate is fixedly connected to the punching column and the arc-shaped punching knife respectively. There are two sets of arc-shaped punching knives, and the two sets of arc-shaped punching knives are symmetrically installed on both sides of the punching column.

[0007] Furthermore, the second punching assembly is provided in two sets and arranged in opposite directions. The second punching assembly includes a U-shaped punching knife, and the bottom surface of the upper movable plate is fixedly connected to the U-shaped punching knife.

[0008] Furthermore, the pressing assembly includes a shrinking damping rod, and the two ends of the bottom surface of the upper movable plate are respectively fixedly connected to the shrinking damping rod. The output end of the shrinking damping rod is fixedly connected to the pressing plate. A first punching groove, a second punching groove, and a material taking groove are sequentially arranged on one side of the pressing plate. Two sets of each of the first punching groove, the second punching groove, and the material taking groove are arranged in opposite directions.

[0009] Furthermore, the convex ring positioning component includes a release pneumatic rod, the top surface of the upper movable plate is fixedly connected to the release pneumatic rod, the output end of the release pneumatic rod is fixedly connected to a release rod, the release rod slides within the upper movable plate, the bottom surface of the release rod is fixedly connected to a square plate, the bottom surface of the square plate is fixedly connected to a T-shaped column, and the bottom surface of the T-shaped column is fixedly connected to a positioning column.

[0010] Furthermore, the cutting component includes a cutting blade, which is fixedly connected to the bottom surface of the square plate.

[0011] Furthermore, the pressing component includes an extension rod, which is fixedly connected to the bottom surface of the upper movable plate, and a C-shaped column is fixedly connected to one end of the extension rod.

[0012] Furthermore, the gripping and flipping assembly includes a support rod, a translational slide rail fixedly connected to the top surface of the support rod, a translational slider slidably connected inside the translational slide rail, a flipping shaft rotatably connected inside the translational slider, a flipping block fixedly connected to the surface of the flipping shaft, a flipping motor fixedly connected to one side of the translational slider, the output end of the flipping motor being rotatably connected to the flipping shaft via a worm gear and worm wheel, a telescopic pneumatic rod fixedly connected to one side of the flipping block, an L-shaped support plate fixedly connected to the output end of the telescopic pneumatic rod, L-shaped baffles fixedly connected to both sides of the L-shaped support plate, a material-picking rod slidably connected inside the L-shaped baffles, and a reset damping rod fixedly connected to one end of the material-picking rod located between the L-shaped baffles.

[0013] Furthermore, the suspended conveying assembly is provided in two sets. The suspended conveying assembly includes a suspension frame. A main sprocket and a driven sprocket are rotatably connected to both ends of the top surface of the suspension frame, respectively. The driven sprocket is rotatably connected to the surface of the main sprocket through a conveying chain. The suspension hooks are fixedly connected to the surface of the conveying chain at equal intervals. A drive motor is fixedly connected to the bottom surface of the suspension frame. The output end of the drive motor is rotatably connected to the main sprocket through a worm gear and worm wheel.

[0014] This invention provides a copper terminal stamping die. Compared with the prior art, it has the following advantages: 1. By integrating the first, second, and third punching components through the upper die mechanism, and cooperating with the step-by-step conveying of the copper strip, the integrated continuous stamping process of "punching the convex ring → punching the flat wrapping plate → cutting the connecting ribs + bending and forming the C-shaped wrapping plate" is realized, which greatly shortens the process time and improves production efficiency. 2. The third punching component adopts a combination structure of "convex ring positioning component + pressing component + cutting component". Through a three-stage descent action, the convex ring is positioned first and the connecting rib is cut off. Then, the flat wrapping plate is gradually bent into a U-shape and finally formed into a C-shape to ensure the accuracy of the terminal bending angle. 3. The first, second and third punching components are each set in two groups and arranged in opposite directions, which can process both sides of the punched copper strip simultaneously, maximizing the utilization of the copper strip and reducing waste generation; 4. The gripping and flipping component can automatically remove the copper terminals from the outer wall of the pressed component, and the hanging output component receives the flipped terminals and transports them to the next process, replacing manual material handling, avoiding terminal damage, and realizing automated continuous production. 5. The suspension hooks of the suspension conveyor assembly are fixed at equal intervals on the conveyor chain, which can accurately receive the copper terminal post holes after flipping, realize the stable suspension of the copper terminal, and prevent the copper terminal from falling. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 An overall schematic diagram of the present invention is shown; Figure 2 This diagram shows another perspective view of the overall invention; Figure 3 A schematic diagram of the suspended conveyor assembly of the present invention is shown; Figure 4 This diagram shows another perspective view of the suspended conveyor assembly of the present invention; Figure 5 A partial cross-sectional schematic diagram of the present invention is shown; Figure 6 A schematic diagram of the gripping and flipping component and copper terminals of the present invention is shown; Figure 7 A partial cross-sectional schematic diagram of the gripping and flipping component of the present invention is shown; Figure 8 This shows a schematic diagram of the upper mold mechanism of the present invention from one perspective; Figure 9 This diagram shows another perspective view of the upper mold mechanism of the present invention; Figure 10 A partial cross-sectional schematic diagram of the upper mold mechanism of the present invention is shown; Figure 11 A schematic diagram of the third punching assembly and copper terminals of the present invention is shown; Figure 12 A schematic diagram of the third punching assembly of the present invention is shown; Figure 13 A schematic diagram of the lower mold mechanism of the present invention is shown; Figure 14 A partial cross-sectional schematic diagram of the lower mold mechanism of the present invention is shown; Figure 15 A schematic diagram of the auxiliary bending component of the present invention is shown; Figure 16 This diagram shows another perspective view of the auxiliary bending component of the present invention; Figure 17 A schematic diagram of the stamping process of the copper terminal of the present invention is shown; As shown in the figure: 100. Lower mold mechanism; 101. Lower mold base; 102. Shaping pneumatic rod; 103. Opposing rail; 104. Side plate; 105. Pressed damping rod; 106. Clamping rod; 107. Clamping block; 108. Connecting rod; 109. Pad block; 110. Round hole; 111. Cutting groove; 112. Shaping damping rod; 113. Shaping plate; 114. Forming groove; 115. Arc-shaped extrusion block; 200. Upper die mechanism; 201. Upper movable plate; 202. Stamping column; 203. Arc-shaped stamping knife; 204. U-shaped stamping knife; 205. Shrinkage damping rod; 206. Lower pressure plate; 207. First punching groove; 208. Second punching groove; 209. Material receiving groove; 210. Release pneumatic rod; 211. Release rod; 212. Square plate; 213. T-shaped column; 214. Positioning column; 215. Cutting knife; 216. Extension rod; 217. C-shaped column; 300. Grabbing and flipping assembly; 301. Support rod; 302. Translation slide rail; 303. Translation slider; 304. Flipping shaft; 305. Flipping block; 306. Flipping motor; 307. Telescopic pneumatic rod; 308. L-shaped pallet; 309. L-shaped baffle; 310. Material picking rod; 311. Reset damping rod; 400. Suspended conveyor assembly; 401. Suspension frame; 402. Main sprocket; 403. Spur sprocket; 404. Conveyor chain; 405. Suspension hook; 406. Drive motor. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are described clearly and completely. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] Example To address the technical problems in the background section, the following copper terminal stamping die is provided: Combination Figures 1-17As shown, the present invention provides a copper terminal stamping die, including a lower die mechanism 100, which includes a lower die base 101, and an auxiliary bending component is installed at the internal output end of the lower die base 101; and an upper die mechanism 200, which includes an upper movable plate 201, a first punching component, a second punching component, a third punching component, and a pressing component. The pressing component is spaced apart at the bottom of the upper movable plate 201, and the first punching component, the second punching component, and the third punching component are sequentially arranged between the pressing component and the upper movable plate 201 along the copper strip conveying direction. An auxiliary bending assembly is located below the third punching assembly; the first punching assembly is used to punch out a convex ring on the copper strip, with a connecting rib between the convex ring and the copper strip; the second punching assembly is used to punch out a flat wrapping plate integrally connected to the convex ring on the copper strip; the third punching assembly is used to cut the connecting rib of the convex ring and punch the wrapping plate into a C-shaped wrapping plate to obtain a copper terminal; the third punching assembly has two sets arranged in opposite directions, and includes a convex ring positioning component, a pressing component, and a cutting component; the pressing component is located on one side of the convex ring positioning component. The convex ring positioning component and the pressing component are both installed on the bottom surface of the upper movable plate 201, and the cutting component is located on the side of the convex ring positioning component; the third punching assembly includes the following punching process: when the third punching assembly descends in the first stage, the convex ring positioning component presses down on the convex ring, the cutting component cuts the connecting rib, and the pressing component contacts the flat wrapping plate; when the third punching assembly descends in the second stage, the convex ring positioning component abuts against the convex ring and descends, and the pressing component cooperates with the auxiliary bending component to punch the flat wrapping plate into a U-shaped wrapping plate; when the third punching assembly descends in the third stage... The convex ring positioning component abuts against the convex ring and descends. The pressing component and the auxiliary bending component cooperate to punch the U-shaped wrapping plate into a C-shaped wrapping plate to obtain copper terminals. When the third punching component is lifted, the pressing component is lifted and drives the copper terminals wrapped on its outer wall to follow. The gripping and flipping component 300 is symmetrically installed on both sides of the output end of the lower die base 101 to remove the copper terminals wrapped on the outer wall of the pressing component. The hanging output component 400 is installed on the outside of the gripping and flipping component to receive the copper terminals during the flipping process of the gripping and flipping component.

[0019] The above structure integrates the first, second, and third punching components through the upper die mechanism, and with the step-by-step conveying of the copper strip, it realizes the integrated continuous stamping of "punching the convex ring → punching the flat wrapping plate → cutting the connecting ribs + bending and forming the C-shaped wrapping plate", which greatly shortens the process time and improves production efficiency. The third punching assembly adopts a combination structure of "convex ring positioning component + pressing component + cutting component". Through a three-stage descent action, it first positions the convex ring and cuts the connecting rib, then gradually bends the flat wrapping plate into a U-shape and finally forms a C-shape, ensuring the accuracy of the terminal bending angle. The auxiliary bending assembly works in conjunction with the pressing component of the third punching assembly to provide stable support for the bending process and prevent terminal deformation. The gripping and flipping component can automatically remove the copper terminals from the outer wall of the pressed component, and the hanging output component receives the flipped terminals and transports them to the next process, replacing manual material handling, avoiding terminal damage, and realizing automated continuous production. The first, second, and third punching components are each set in two groups and arranged in opposite directions, which can process both sides of the punched copper strip simultaneously, maximizing the utilization of the copper strip and reducing waste generation.

[0020] In this embodiment, two sets of auxiliary bending components are provided and arranged in opposite directions. The auxiliary bending components include a shaping pneumatic rod 102, a counter-track 103, a side plate 104, and a pressure damping rod 105. The shaping pneumatic rod 102, the counter-track 103, the side plate 104, and the pressure damping rod 105 are fixedly connected in the lower mold base 101. Clamping rods 106 are slidably connected in the counter-track 103. A clamping block 107 is fixedly connected to the output end of the shaping pneumatic rod 102. A connecting rod 108 is rotatably connected in the clamping block 107 through a pin. One end of the connecting rod 108 is connected to the clamping rod 106. A rotatable connection is made, and a pad 109 is fixedly connected to the top surface of the compressed damping rod 105. A round hole 110 is provided on the top surface of the pad 109. A cutting groove 111 is provided on one side of the pad 109 and between the inner wall of the lower mold base 101. A shaping damping rod 112 is symmetrically fixedly connected to one side of the side plate 104. A shaping plate 113 is fixedly connected to one end of the shaping damping rod 112. A forming groove 114 is provided on the lower part of one side of the shaping plate 113. An arc-shaped extrusion block 115 is fixedly connected to one side of the shaping plate 113 and above the forming groove 114. An arc surface is provided on one side of the top surface of the shaping plate 113.

[0021] The above structure: The shaping plate of the auxiliary bending component is equipped with a forming groove and an arc-shaped extrusion block. During the pressing process of the pressing component, the U-shaped wrapping plate of the arc-shaped extrusion block is first extruded to fit with the C-shaped column to form a C-shape. Then, the forming groove is used to perform secondary shaping of the C-shaped plate to avoid bending springback and ensure the accuracy of terminal dimensions. The pad at the top of the compressed damping rod facilitates the later removal of the connecting lens; The shaping pneumatic rod drives the clamping rod to slide in the opposing track through the connecting rod, which can drive the two shaping plates to move in opposite directions, clamp the C-shaped wrapping plate, further enhance the shaping effect, and ensure the stability of the terminal shape.

[0022] In this embodiment, the first punching assembly is provided in two sets and arranged in opposite directions. The first punching assembly includes a punching column 202 and an arc-shaped punching knife 203. The bottom surface of the upper movable plate 201 is fixedly connected to the punching column 202 and the arc-shaped punching knife 203 respectively. There are two sets of arc-shaped punching knives 203, and the two sets of arc-shaped punching knives 203 are symmetrically installed on both sides of the punching column 202.

[0023] The above structure: The stamping column, together with two sets of symmetrically installed arc-shaped stamping cutters, can punch out a regular convex ring on the copper strip. The gap between the two sets of arc-shaped stamping cutters forms a connecting rib with a uniform width, ensuring the connection strength between the convex ring and the copper strip and preventing the convex ring from falling off during the punching process.

[0024] In this embodiment, two sets of the second punching components are arranged in opposite directions. The second punching component includes a U-shaped punching knife 204, and the U-shaped punching knife 204 is fixedly connected to the bottom surface of the upper movable plate 201.

[0025] The above structure: the shape of the U-shaped stamping knife matches the extended areas on both sides of the convex ring, and after punching, it can directly form a flat wrapping plate that is integrated with the convex ring.

[0026] In this embodiment, the pressing component includes a shrink damping rod 205. The shrink damping rod 205 is fixedly connected to both ends of the bottom surface of the upper movable plate 201. The output end of the shrink damping rod 205 is fixedly connected to a pressing plate 206. A first punching groove 207, a second punching groove 208 and a material taking groove 209 are sequentially arranged on one side of the pressing plate 206. Two sets of each of the first punching groove 207, the second punching groove 208 and the material taking groove 209 are arranged in opposite directions.

[0027] The above structure: the shrinking damping rod of the pressing component drives the pressing plate to move down, which can closely fit the surface of the copper strip, providing a stable clamping force for each punching process and preventing the copper strip from shifting during punching; The lower pressure plate has a first punching groove, a second punching groove, and a material picking groove, which provide space for the punching action of the first and second punching components and the material picking action of the gripping and flipping component, respectively, to avoid collision and interference between the punching components, the material picking mechanism and the lower pressure plate.

[0028] In this embodiment, the convex ring positioning component includes a release pneumatic rod 210. The release pneumatic rod 210 is fixedly connected to the top surface of the upper movable plate 201. The output end of the release pneumatic rod 210 is fixedly connected to a release rod 211. The release rod 211 slides within the upper movable plate 201. A square plate 212 is fixedly connected to the bottom surface of the release rod 211. A T-shaped post 213 is fixedly connected to the bottom surface of the square plate 212. A positioning post 214 is fixedly connected to the bottom surface of the T-shaped post 213.

[0029] The above structure: the release rod drives the release rod to move the square plate, T-shaped column and positioning column downward. The positioning column can be inserted into the column hole of the convex ring to achieve precise positioning of the convex ring and ensure the accuracy of subsequent cutting of connecting ribs and bending actions. After stamping, the detached pneumatic rod drives the positioning pin to move upward, allowing it to quickly detach from the pin hole of the convex ring. This avoids the convex ring positioning component limiting the copper terminal and facilitates the gripping and flipping of the component for material removal.

[0030] In this embodiment, the cutting component includes a cutting blade 215, and the cutting blade 215 is fixedly connected to the bottom surface of the square plate 212.

[0031] The above structure: The cutting component adopts a cutting blade structure, which is directly installed on the bottom surface of the square plate. It moves down synchronously with the positioning post of the convex ring positioning component. While the positioning post positions the convex ring, the cutting blade can accurately cut the connecting ribs, realizing the synchronous action of "positioning + cutting", ensuring thorough cutting without residue and improving processing efficiency.

[0032] In this embodiment, the pressing component includes an extension rod 216. The extension rod 216 is fixedly connected to the bottom surface of the upper movable plate 201, and a C-shaped column 217 is fixedly connected to one end of the extension rod 216.

[0033] The above structure: The C-shaped column of the pressing component is installed on the bottom surface of the upper movable plate through the extension rod. Its C-shaped structure matches the final forming shape of the terminal. During the three-stage descent process, it can cooperate with the auxiliary bending component to gradually bend the flat wrapping plate into U-shape and C-shape, providing stable pressing support. The outer wall shape of the C-shaped column fits the inner wall of the C-shaped wrapping plate. After bending and forming, the terminal can be stably wrapped around the outer wall of the C-shaped column, making it convenient to grab and flip the component for precise material handling.

[0034] In this embodiment, the gripping and flipping assembly 300 includes a support rod 301. A translation slide rail 302 is fixedly connected to the top surface of the support rod 301. A translation slider 303 is slidably connected inside the translation slide rail 302. A flipping shaft 304 is rotatably connected inside the translation slider 303. A flipping block 305 is fixedly connected to the surface of the flipping shaft 304. A flipping motor 306 is fixedly connected to one side of the translation slider 303. The output end of the flipping motor 306 is rotatably connected to the flipping shaft 304 through a worm gear and worm wheel. A telescopic pneumatic rod 307 is fixedly connected to one side of the flipping block 305. An L-shaped support plate 308 is fixedly connected to the output end of the telescopic pneumatic rod 307. L-shaped baffles 309 are fixedly connected to both sides of the L-shaped support plate 308. A picking rod 310 is slidably connected inside the L-shaped baffles 309. A reset damping rod 311 is fixedly connected to one end of the picking rod 310 and located between the L-shaped baffles 309.

[0035] The above structure: the translation slide rail drives the translation slider forward, the L-shaped support plate and L-shaped baffle can wrap around the terminal from below and both sides, and the picking rod clamps one end of the terminal under the action of the reset damping rod, so as to achieve stable gripping of the terminal and prevent the terminal from falling off during the picking process; The flip motor drives the flip shaft to rotate via a worm gear, which in turn flips the flip block and terminals, allowing the terminal's post hole to be precisely aligned with the suspension hook of the suspension output component, thus achieving directional delivery.

[0036] In this embodiment, two sets of suspended conveying assemblies 400 are provided. The suspended conveying assembly 400 includes a suspension frame 401. The two ends of the top surface of the suspension frame 401 are rotatably connected to a main sprocket 402 and a driven sprocket 403, respectively. The surface of the main sprocket 402 is rotatably connected to the driven sprocket 403 through a conveying chain 404. The surface of the conveying chain 404 is fixedly connected to suspension hooks 405 at equal intervals. The bottom surface of the suspension frame 401 is fixedly connected to a drive motor 406. The output end of the drive motor 406 is rotatably connected to the main sprocket 402 through a worm gear and worm wheel.

[0037] The above structure: The suspension hooks of the suspension conveyor assembly are fixed at equal intervals on the conveyor chain, which can accurately receive the copper terminal post holes after flipping, realize the stable suspension of the copper terminal, and prevent the copper terminal from falling. The drive motor drives the main sprocket to rotate through a worm gear, which in turn drives the conveyor chain and suspension hook to move in a cycle. This allows the terminals to be continuously transported to the next process, improving the automation level of the production line.

[0038] Working principle and usage process of this invention: In use: When using: Since there are two sets of the first, second and third punching components, and they are arranged in opposite directions, the copper strip can be utilized to the maximum extent and waste can be reduced when punching copper terminals. First stage stamping: First, the workers lay the copper strip flat on the top surface of the lower mold base 101 and limit the movement of the copper strip on both sides: During stamping, the upper movable plate 201 drives the lower pressure plate 206 to move downward, so that the bottom surface of the lower pressure plate 206 contacts the top surface of the copper strip. At this time, the cooperation between the lower pressure plate 206 and the lower die base 101 can achieve the clamping and positioning of the copper strip. After clamping, the upper movable plate 201 continues to move downward, which will drive the pressure column 202 and the arc-shaped stamping knife 203 to descend simultaneously. They will pass through the lower pressure plate 206 and stamp a convex ring on the copper strip. (Note that the convex ring is composed of two sets of arc-shaped grooves and column holes.) Since there is a gap between the two sets of arc-shaped stamping knives 203, the stamped convex ring will have a connecting rib between it and the copper strip. The function of the connecting rib is to ensure that the convex ring can move together with the copper strip. After the first stage of stamping is completed, the entire upper die mechanism 200 is reset. At the same time, the copper strip moves forward as a whole, moving the stamping position from the first stage to the stamping position of the second stage, facilitating the second stage of stamping. Second stage stamping: During stamping, the upper movable plate 201 moves the lower pressure plate 206 downward to clamp the copper strip. After clamping, the upper movable plate 201 continues to move downward, which will move the U-shaped stamping knife 204 downward. The U-shaped stamping knife 204 will pass over the lower pressure plate 206 and stamp a U-shaped groove on the copper strip. At this time, the two ends of the U-shaped groove will connect with two sets of arc grooves, which will present a flat wrapping plate on the copper strip (note that the wrapping plate is composed of a convex ring and a rectangular plate). After the second stage of stamping is completed, the entire upper die mechanism 200 moves upward, and at the same time, the copper strip moves forward again, moving the position of the second stage stamping to the position of the third stage stamping, facilitating the third stage stamping forming. Third stage stamping: During stamping, the upper movable plate 201 drives the lower pressure plate 206 to move down and clamp the copper strip. After clamping, the upper movable plate 201 continues to move down, which will drive the T-shaped column 213, positioning column 214, cutting blade 215, extension rod 216 and C-shaped column 217 to move down as a whole. When the positioning post 214 moves downward, one end of the positioning post 214 will be inserted into the post hole first. After insertion, the cutting knife 215 moves downward. At this time, the cutting knife 215 begins to cut the connecting rib between the copper strip and the convex ring. After cutting, the bottom surface of the T-shaped column 213 will contact the top surface of the convex ring in the flat wrapping plate, and at the same time, the surface of the C-shaped column 217 will also contact the top surface of the rectangular plate in the flat wrapping plate. At this time, the T-shaped column 213 will clamp the convex ring in the flat wrapping plate under the action of the pad 109. After clamping, the T-shaped post 213 moves the flat wrapping plate downward, which in turn moves the pad 109 downward. The pad 109 will press the damping rod 105. When the two ends of the rectangular plate in the flat wrapping plate come into contact with the top surface of the shaping plate 113, the two ends of the rectangular plate will be pushed upward by the shaping plate 113, so that the rectangular plate forms a U-shaped plate. (Note that when the rectangular plate is U-shaped, its rectangular plate comes into contact with the surface of the C-shaped post 217 and is shaped along the surface of the C-shaped post 217.) When the C-shaped column 217 drives the U-shaped plate to continue moving downward, it will be between the two sets of arc-shaped extrusion blocks 115. At this time, the two sets of arc-shaped extrusion blocks 115 will be used to press the U-shaped plate inward, so that the inside of the U-shaped plate and the C-shaped column 217 are completely in contact. In this way, the U-shaped plate can be extruded into a C-shaped plate. Finally, when the C-shaped column 217 brings the C-shaped plate between the two sets of forming grooves 114, the shaping pneumatic rod 102 retracts and moves the clamping block 107, thereby causing the two sets of connecting rods 108 to rotate. When the connecting rods 108 rotate, they will cause the two sets of clamping rods 106 to slide in the opposing track 103. When the clamping rods 106 come into contact with the shaping plate 113, they will cause the two sets of shaping plates 113 to move in opposite directions. When the two sets of shaping plates 113 move, they will clamp the C-shaped plate again and shape it, so that the C-shaped plate can wrap around the surface of the C-shaped column 217. After molding, the shaping pneumatic rod 102 no longer clamps, and the upper mold mechanism 200 moves upward as a whole, so that the C-shaped column 217 drives the C-shaped plate to separate from the two sets of shaping plates 113 and carries it to the bottom of the upper mold mechanism 200, so that the first gripping and flipping component 300 can take out the copper terminal from the surface of the C-shaped column 217. After the third stage of stamping is completed, the copper terminals are removed by gripping and flipping component 300. During material feeding, the translation slide rail 302 drives the translation slider 303 forward, causing the L-shaped support plate 308 and L-shaped baffle 309 to move horizontally forward. The L-shaped support plate 308 moves to below the copper terminal, while the L-shaped baffle 309 moves to both sides of the copper terminal. When the material picking rod 310 in the L-shaped baffle 309 contacts the copper terminal, it begins to retract and presses against the reset damping rod 311. When the pick-up rod 310 moves from one end of the copper terminal to the other end, the pick-up rod 310 will be reset under the action of the reset damping rod 311 and will be stuck at one end of the copper terminal. When the pneumatic rod 210 is disengaged, it will cause the disengagement rod 211, the square plate 212, the T-shaped column 213 and the positioning column 214 to move upward as a whole, so that the positioning column 214 is disengaged from the column hole; After detachment, the translation slide rail 302 moves backward, which will drive the L-shaped support plate 308 and the L-shaped baffle 309 to move backward. When the L-shaped baffle 309 moves backward, under the action of the material picking rod 310, the C-shaped plate in the copper terminal will be removed from the surface of the C-shaped column 217. The removed copper terminal will be positioned and fixed under the action of the L-shaped support plate 308 and the two sets of L-shaped baffles 309. After the copper terminal is removed by the gripping and flipping component 300, it will be easier to put it into the suspension conveying component 400 later for convenient conveying. Note that the copper terminals can move slightly up and down within the L-shaped support plate 308 and the L-shaped baffle 309, but they cannot sway left and right within the L-shaped support plate 308 and the L-shaped baffle 309. The removed copper terminals are placed on the suspended conveyor assembly 400 and conveyed to the next process: During placement, the flipping motor 306 drives the flipping shaft 304 to rotate. When the flipping shaft 304 rotates, it will drive the flipping block 305, the telescopic pneumatic rod 307, the L-shaped support plate 308, the L-shaped baffle 309, and the copper terminal to flip. When the copper terminal flips, the post hole on the copper terminal can be aligned with the suspension hook 405. When the copper terminal is suspended by the suspension hook, the translation slide rail 302 drives the translation slider 303, the L-shaped support plate 308, and the L-shaped baffle 309 to move horizontally, so that the copper terminal is disengaged from the L-shaped support plate 308 and the L-shaped baffle 309. After disengagement, the flipping motor 306 drives the flipping shaft 304 to rotate, so that the L-shaped baffle 309 rotates to a horizontal state, which is convenient for the next material retrieval.

[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0040] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A copper terminal stamping die, characterized in that: include The lower die mechanism includes a lower die base, and an auxiliary bending component is installed at the internal output end of the lower die base; The upper die mechanism includes an upper movable plate, a first punching assembly, a second punching assembly, a third punching assembly, and a lower pressing assembly. The lower pressing assembly is spaced at the bottom of the upper movable plate. The first punching assembly, the second punching assembly, and the third punching assembly are arranged sequentially between the lower pressing assembly and the upper movable plate along the copper strip conveying direction. An auxiliary bending assembly is located below the third punching assembly. The first punching assembly is used to punch out a protruding ring on the copper strip, with a connecting rib left between the protruding ring and the copper strip; The second punching assembly is used to punch out a flat wrapping plate that is integral with the convex ring on the copper strip; The third punching assembly is used to cut the connecting ribs of the convex ring and punch the wrapping plate into a C-shaped wrapping plate to obtain copper terminals; The third punching assembly is provided in two sets and arranged in opposite directions. The third punching assembly includes a convex ring positioning component, a pressing component, and a cutting component. The pressing component is located on one side of the convex ring positioning component. Both the convex ring positioning component and the pressing component are installed on the bottom surface of the upper movable plate. The cutting component is located on the side of the convex ring positioning component. The third punching assembly includes the following punching process: During the first stage of the third punching assembly's descent, the convex ring positioning component presses down on the convex ring, the cutting component cuts the connecting ribs, and the pressing component contacts the flat wrapping plate. During the second stage of the third punching assembly's descent, the convex ring positioning component abuts against the convex ring as it descends, and the pressing component cooperates with the auxiliary bending component to punch the flat wrapping plate into a U-shaped wrapping plate. When the third punching component descends in the third stage, the convex ring positioning component abuts against the convex ring as it descends, and the pressing component cooperates with the auxiliary bending component to punch the U-shaped wrapping plate into a C-shaped wrapping plate to obtain a copper terminal. When the third punching component is lifted, the pressing component is lifted and the copper terminals wrapped on its outer wall are also lifted. The gripping and flipping assembly is symmetrically installed on both sides of the output end of the lower mold base to remove the copper terminals wrapped around the outer wall of the pressing component; The suspended output assembly is mounted on the outside of the gripping and flipping assembly to receive the copper terminals during the flipping process of the gripping and flipping assembly.

2. The copper terminal stamping die according to claim 1, characterized in that: The auxiliary bending assembly is provided in two sets, arranged in opposite directions. The auxiliary bending assembly includes a shaping pneumatic rod, an opposing rail, a side plate, and a pressure damping rod. The shaping pneumatic rod, the opposing rail, the side plate, and the pressure damping rod are fixedly connected in the lower mold base. Clamping rods are slidably connected in the opposing rails. A clamping block is fixedly connected to the output end of the shaping pneumatic rod. A connecting rod is rotatably connected to the clamping block through a pin. One end of the connecting rod is rotatably connected to the clamping rod. A pad is fixedly connected to the top surface of the pressure damping rod. A circular hole is provided on the top surface of the pad. A cutting groove is provided on one side of the pad and between the inner walls of the lower mold base. Shaping damping rods are symmetrically fixedly connected to one side of the side plate. A shaping plate is fixedly connected to one end of the shaping damping rod. A forming groove is provided on the lower part of one side of the shaping plate. An arc-shaped extrusion block is fixedly connected to one side of the shaping plate and above the forming groove. An arc surface is provided on one side of the top surface of the shaping plate.

3. The copper terminal stamping die according to claim 2, characterized in that: The first punching assembly is provided in two sets and arranged in opposite directions. The first punching assembly includes a punching column and an arc-shaped punching knife. The bottom surface of the upper movable plate is fixedly connected to the punching column and the arc-shaped punching knife respectively. There are two sets of arc-shaped punching knives, and the two sets of arc-shaped punching knives are symmetrically installed on both sides of the punching column.

4. A copper terminal stamping die according to claim 3, characterized in that: The second punching assembly is provided in two sets and arranged in opposite directions. The second punching assembly includes a U-shaped punching knife, and the bottom surface of the upper movable plate is fixedly connected to the U-shaped punching knife.

5. A copper terminal stamping die according to claim 4, characterized in that: The pressing assembly includes a shrinking damping rod. Both ends of the bottom surface of the upper movable plate are fixedly connected to the shrinking damping rod. The output end of the shrinking damping rod is fixedly connected to the pressing plate. A first punching groove, a second punching groove, and a material taking groove are sequentially arranged on one side of the pressing plate. There are two sets of each of the first punching groove, the second punching groove, and the material taking groove, and they are arranged in opposite directions.

6. A copper terminal stamping die according to claim 5, characterized in that: The convex ring positioning component includes a release pneumatic rod. The top surface of the upper movable plate is fixedly connected to the release pneumatic rod, and the output end of the release pneumatic rod is fixedly connected to a release rod. The release rod slides within the upper movable plate, and the bottom surface of the release rod is fixedly connected to a square plate. The bottom surface of the square plate is fixedly connected to a T-shaped column, and the bottom surface of the T-shaped column is fixedly connected to a positioning column.

7. A copper terminal stamping die according to claim 6, characterized in that: The cutting component includes a cutting blade, which is fixedly connected to the bottom surface of the square plate.

8. A copper terminal stamping die according to claim 7, characterized in that: The pressing component includes an extension rod, which is fixedly connected to the bottom surface of the upper movable plate, and a C-shaped column is fixedly connected to one end of the extension rod.

9. A copper terminal stamping die according to claim 8, characterized in that: The gripping and flipping assembly includes a support rod, a translation slide rail fixedly connected to the top surface of the support rod, a translation slider slidably connected inside the translation slide rail, a flipping shaft rotatably connected inside the translation slider, a flipping block fixedly connected to the surface of the flipping shaft, a flipping motor fixedly connected to one side of the translation slider, the output end of the flipping motor being rotatably connected to the flipping shaft via a worm gear and worm wheel, a telescopic pneumatic rod fixedly connected to one side of the flipping block, an L-shaped support plate fixedly connected to the output end of the telescopic pneumatic rod, L-shaped baffles fixedly connected to both sides of the L-shaped support plate, a material-picking rod slidably connected inside the L-shaped baffles, and a reset damping rod fixedly connected to one end of the material-picking rod located between the L-shaped baffles.

10. A copper terminal stamping die according to claim 9, characterized in that: The suspended conveying assembly is provided in two sets. The suspended conveying assembly includes a suspension frame. The two ends of the top surface of the suspension frame are respectively rotatably connected to a main sprocket and a driven sprocket. The surface of the main sprocket is rotatably connected to the driven sprocket through a conveying chain. The surface of the conveying chain is fixedly connected with suspension hooks at equal intervals. The bottom surface of the suspension frame is fixedly connected to a drive motor. The output end of the drive motor is rotatably connected to the main sprocket through a worm gear and a worm wheel.

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