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CN-122007252-A - Copper terminal stamping die

CN122007252ACN 122007252 ACN122007252 ACN 122007252ACN-122007252-A

Abstract

The invention provides a copper terminal stamping die, which relates to the technical field of stamping dies and comprises a lower die mechanism, an upper die mechanism, a first punching assembly, a second punching assembly, a third punching assembly and a pressing assembly, wherein the lower die mechanism comprises a lower die base, an auxiliary bending assembly is arranged at the inner 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 a copper strip, a connecting rib is reserved between the convex ring and the copper strip, the pressing assembly is arranged on one side of a convex ring positioning assembly, the third punching assembly comprises a punching process that the convex ring positioning assembly presses the convex ring when the third punching assembly descends in a first stage, the third punching assembly descends in a second stage, and the third punching assembly snatchs a turnover assembly when the third punching assembly descends in a third stage. According to the copper strip blanking device, the copper terminal can be formed on the copper strip in a punching mode through the cooperation of the lower die mechanism, the upper die mechanism, the grabbing and overturning assembly and the hanging and conveying assembly, and blanking is conducted on the formed copper terminal.

Inventors

  • ZHOU CHENGTAO
  • ZHENG XIAOHUI
  • LIU CHAO

Assignees

  • 安徽佳耀科技有限公司

Dates

Publication Date
20260512
Application Date
20260202

Claims (10)

  1. 1. A copper terminal stamping die is characterized by comprising The lower die mechanism comprises a lower die holder, and an auxiliary bending component is arranged at the inner output end of the lower die holder; 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, wherein the pressing assemblies are arranged at the bottom of the upper movable plate at intervals, the first punching assembly, the second punching assembly and the third punching assembly are sequentially arranged between the pressing assemblies and the upper movable plate along the conveying direction of the copper strips, and the auxiliary bending assembly is arranged below the third punching 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 second punching assembly is used for punching a flat package plate connected with the convex ring into a whole on the copper belt; the third punching assembly is used for cutting off the connecting ribs of the convex ring and punching the wrapping flat plate into a C-shaped wrapping plate so as to manufacture the copper terminal; The third punching assembly is provided with two groups and is arranged positively and negatively, and comprises a convex ring positioning part, a pressing part and a cutting part, wherein the pressing part is arranged on one side of the convex ring positioning part, the convex ring positioning part and the pressing part are both arranged on the bottom surface of the upper movable plate, and the cutting part is arranged on the side part of the convex ring positioning part; The third die cutting assembly includes the following die cutting process: When the third punching assembly descends in the first stage, the convex ring positioning component presses down the convex ring, the cutting component cuts off the connecting ribs, and the pressing component contacts with the flat wrapping plate; when the third punching assembly descends in the second stage, the convex ring positioning component collides with the convex ring to descend, and the pressing component is matched with the auxiliary bending assembly 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 collides with the convex ring to descend, and the pressing component is matched with the auxiliary bending assembly to punch the U-shaped wrapping plate into a C-shaped wrapping plate, so that the copper terminal is manufactured; when the third punching assembly is lifted, the pressing part is lifted and drives the copper terminal wrapped by the outer wall of the pressing part to follow the lifting; The grabbing turnover assemblies are symmetrically arranged at two sides of the output end of the lower die holder and used for taking out copper terminals wrapped by the outer wall of the pressing part; and the suspension output assembly is arranged on the outer side of the grabbing overturning assembly and used for bearing the copper terminal in the overturning process of the grabbing overturning assembly.
  2. 2. The copper terminal stamping die of claim 1, wherein the auxiliary bending assembly comprises two groups of auxiliary bending assemblies, each auxiliary bending assembly comprises a shaping pneumatic rod, a counter track, a side plate and a pressed damping rod, the shaping pneumatic rods, the counter track, the side plate and the pressed damping rods are respectively fixedly connected in the lower die holder, clamping rods are respectively and slidably connected in the counter track, clamping blocks are fixedly connected to the output ends of the shaping pneumatic rods, connecting rods are respectively and rotatably connected to the clamping blocks through pin shafts, one ends of the connecting rods are rotatably connected with the clamping rods, cushion blocks are fixedly connected to the top surfaces of the pressed damping rods, round holes are formed in the top surfaces of the cushion blocks, cutting grooves are formed in one sides of the cushion blocks and between the inner walls of the lower die holder, shaping damping rods are symmetrically and fixedly connected to one sides of the side plates, shaping plates are fixedly connected to the lower portions of one sides of the shaping plates, arc-shaped pressing blocks are fixedly connected to the upper sides of the shaping plates, and cambered surfaces are arranged on one sides of the shaping plates.
  3. 3. The copper terminal stamping die of claim 2, wherein the first punching assembly is provided with two groups and is arranged in a positive and negative mode, the first punching assembly comprises a punching column and an arc punching cutter, the bottom surface of the upper movable plate is fixedly connected with the punching column and the arc punching cutter respectively, the arc punching cutter is provided with two groups, and the two groups of arc punching cutters are symmetrically arranged on two sides of the punching column.
  4. 4. The copper terminal stamping die of claim 3, wherein the second punching assembly is provided with two groups and is arranged in a positive and negative manner, the second punching assembly comprises a U-shaped stamping knife, and the bottom surface of the upper movable plate is fixedly connected with the U-shaped stamping knife.
  5. 5. The copper terminal stamping die of claim 4, wherein the pressing component comprises a shrinkage damping rod, two ends of the bottom surface of the upper movable plate are fixedly connected with the shrinkage damping rod respectively, the output end of the shrinkage damping rod is fixedly connected with a pressing plate, one side of the pressing plate is sequentially provided with a first punching groove, a second punching groove and a material taking groove, and the first punching groove, the second punching groove and the material taking groove are respectively provided with two groups and are arranged in a positive and negative mode.
  6. 6. The copper terminal stamping die of claim 5, wherein the convex ring positioning component comprises a separation pneumatic rod, the top surface of the upper movable plate is fixedly connected with the separation pneumatic rod, the output end of the separation pneumatic rod is fixedly connected with the separation rod, the separation rod slides in the upper movable plate, the bottom surface of the separation rod is fixedly connected with a square plate, the bottom surface of the square plate is fixedly connected with a T-shaped column, and the bottom surface of the T-shaped column is fixedly connected with a positioning column.
  7. 7. The copper terminal stamping die as recited in claim 6, wherein the cutting member comprises a cutting blade, and the bottom surface of the square plate is fixedly connected with the cutting blade.
  8. 8. The copper terminal stamping die of claim 7, wherein the pressing part comprises an extension rod, the bottom surface of the upper movable plate is fixedly connected with the extension rod, and one end of the extension rod is fixedly connected with a C-shaped column.
  9. 9. The copper terminal stamping die of claim 8, wherein the grabbing and overturning assembly comprises a supporting rod, a translation sliding rail is fixedly connected to the top surface of the supporting rod, a translation sliding block is connected to the translation sliding rail in a sliding mode, an overturning shaft is connected to the translation sliding block in an rotating mode, an overturning block is fixedly connected to the surface of the overturning shaft, an overturning motor is fixedly connected to one side of the translation sliding block, an overturning shaft is connected to the output end of the overturning motor in a rotating mode through a worm in a matched mode, a telescopic pneumatic rod is fixedly connected to one side of the overturning block, an L-shaped supporting plate is fixedly connected to the output end of the telescopic pneumatic rod, L-shaped baffles are respectively and fixedly connected to the two sides of the L-shaped supporting plate, a material taking rod is connected to the L-shaped baffles in a sliding mode, and a reset damping rod is fixedly connected to one end of the material taking rod and located between the L-shaped baffles.
  10. 10. The copper terminal stamping die of claim 9, wherein the hanging and conveying assembly is provided with two groups, the hanging and conveying assembly comprises a hanging frame, two ends of the top surface of the hanging frame are respectively connected with a main chain wheel and a secondary chain wheel in a rotating mode, the surface of the main chain wheel is connected with the secondary chain wheel in a rotating mode through a conveying chain, the surface of the conveying chain is fixedly connected with hanging hooks at equal intervals, the bottom surface of the hanging frame is fixedly connected with a driving motor, and the output end of the driving motor is connected with the main chain wheel in a rotating mode through a worm matched with a worm gear.

Description

Copper terminal stamping die Technical Field The invention relates to the technical field of copper terminal stamping, in particular to a copper terminal stamping die. Background The copper terminal is used as a core basic component in the field of electric connection, is widely applied to circuit connection of various devices such as electronics, power, communication and the like, has the advantages that the forming precision and the production efficiency directly influence the stability of electric connection and the assembly efficiency of related devices, and has important significance for large-scale and standardized promotion of industrial production. At present, the main stream manufacturing process of the copper terminal is a processing mode combining step-by-step stamping and bending, and the specific process comprises the steps of firstly feeding a copper strip raw material into a special stamping die, and preparing a planar package plate, namely a copper terminal semi-finished product through stamping; However, the existing step-by-step stamping and bending process has the defects that firstly, the production process is divided into two independent processes of stamping and bending, so that the whole production process is long, the switching time between the processes is long, the productivity of unit time is greatly reduced, secondly, the two processes are required to be completed between different equipment or stations, the manual operation link and the middle carrying time are increased in the workpiece transferring process, the problems of positioning deviation, surface scratch and the like of a semi-finished product are easily caused due to the manual carrying or equipment docking errors, the precision and the finished product qualification rate of subsequent bending processing are affected, thirdly, the occupied space of equipment is increased due to the separation of the processes, and meanwhile, a plurality of sets of equipment and corresponding operators are required to be equipped, so that the production cost and the management difficulty are improved. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a copper terminal stamping die, which solves the problems in the background art. In order to achieve the above purpose, the invention is realized by the following technical scheme: The copper terminal stamping die comprises a lower die mechanism, a lower die assembly and a lower die assembly, wherein the lower die mechanism comprises a lower die base, and an auxiliary bending assembly is arranged at the inner 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 lower pressing assembly, wherein the lower pressing assembly is arranged at the bottom of the upper movable plate at intervals, the first punching assembly, the second punching assembly and the third punching assembly are sequentially arranged between the lower pressing assembly and the upper movable plate along the conveying direction of a copper strip, the auxiliary bending assembly is arranged below the third punching assembly, the first punching assembly is used for punching a convex ring on the copper strip, a connecting rib is reserved between the convex ring and the copper strip, the second punching assembly is used for punching a flat package plate which is connected with the convex ring into a whole on the copper strip, the third punching assembly is used for cutting the connecting rib of the convex ring and punching the package plate into a C-shaped package plate to obtain copper terminals, the third punching assembly is provided with two groups and is arranged positively and negatively, the third punching assembly comprises a convex ring positioning component, a pressing component and a cutting component, the pressing component is arranged on one side of the convex ring positioning component, the convex ring positioning component and the pressing component are all arranged on the bottom surface of the upper movable plate, the cutting component is arranged on the side of the convex ring positioning component, the third punching assembly comprises a connecting rib is reserved between the convex ring and the copper strip, the second punching assembly is used for punching the flat package plate which is integrated with the convex ring, the third punching assembly is used for pressing component is used for pressing the third punching assembly, when the third punching assembly is in contact with the convex ring positioning component and the third punching component is pressed down, the convex ring positioning component is pressed down, the third punching component is matched with the convex ring positioning component, and the third punching component is pressed down, and the U-shaped pressing component is pressed down and the pressing component is pressed down and matc