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CN-117548547-B - Fine blanking high-efficiency discharging mechanical arm and method

CN117548547BCN 117548547 BCN117548547 BCN 117548547BCN-117548547-B

Abstract

The invention discloses a fine blanking efficient discharging manipulator and a method, and belongs to the technical field of stamping dies. The device comprises a base, a mounting plate, a secondary discharging chute, a material receiving box, a waste material receiving box, a lower fixing component, a middle material shifting component and an upper material shifting component. The lower part fixing component is fixed on the mounting plate through a connecting plate, the right side of the middle material stirring component is fixed on the first pushing cylinder through a fixed connection, and the upper material stirring component is fixed on the second pushing cylinder through a fixed connection. The upper material stirring assembly slides through the second pushing cylinder, so that the separation of waste materials and finely punched materials is realized. The invention effectively reduces the production workload and increases the discharging efficiency through the two-stage transmission structure, so that the production efficiency is higher than 20 times/min. And link to each other with transmission through the blown down tank, effectively prevent that the product outward appearance from damaging, greatly reduced the product defective rate, increased the reliability.

Inventors

  • JIANG JUNXIA
  • HUANG XINFENG
  • Lv Lincan

Assignees

  • 浙江大学

Dates

Publication Date
20260508
Application Date
20231122

Claims (8)

  1. 1. The fine blanking high-efficiency discharging manipulator is characterized by comprising a base (7), a mounting plate (6), a secondary discharging chute (8), a material receiving box (9), a waste material receiving box (10), a lower fixing assembly (11), a middle stirring assembly (12) and an upper stirring assembly (13); The secondary discharging groove (8) comprises a first discharging groove and a second discharging groove which are inclined downwards, a waste material receiving box (10) for receiving waste materials is arranged below the first discharging groove, and a material receiving box (9) for receiving materials is arranged below the second discharging groove; The lower fixing assembly (11) comprises a material discharging groove (20), a guide plate (21), a first pushing cylinder (24) and a connecting plate (25), wherein the material discharging groove (20), the guide plate (21), the first pushing cylinder (24) and the connecting plate (25) are fixed on a fixing frame (23), the connecting plate (25) used for being fixed with a mounting plate (6) is arranged on the fixing frame (23), one end of the fixing frame (23) is respectively fixed with the material discharging groove (20) and the guide plate (21) which incline downwards, the second discharging groove is supported below the material discharging groove (20), the first discharging groove is supported below the guide plate (21), and the first pushing cylinder (24) is arranged on one side of the fixing frame (23) along the axial direction; The middle stirring assembly (12) comprises a material receiving plate (16), a waste material discharging groove (18) and a second pushing cylinder (19), wherein the material receiving plate (16), the waste material discharging groove (18) and the second pushing cylinder (19) are fixed on a sliding frame (17), the sliding frame (17) is fixedly connected with an output shaft of a first pushing cylinder (24), the sliding frame (17) can integrally move forwards and backwards through the first pushing cylinder (24), one end of the sliding frame (17) is externally connected with the horizontally arranged material receiving plate (16), the inner side of the material receiving plate (16) is communicated with the waste material discharging groove (18) which is obliquely arranged downwards, a guide plate (21) is supported below the waste material discharging groove (18), the material receiving plate (16) is positioned above a lower die plate (5), a space for sliding materials is arranged between the two vertically, a baffle which bends downwards is arranged at the outer side of the material receiving plate (16) and is used for poking materials away from the lower die plate (5) to the material discharging groove (20), and a second pushing cylinder (19) is arranged at one side of the sliding frame (17) along the axial direction; The upper material stirring assembly (13) comprises a material stirring frame (14) and a sliding plate (15), wherein the sliding plate (15) is fixedly connected with an output shaft of a second pushing cylinder (19), and one end of the sliding plate is provided with the material stirring frame (14) for stirring waste materials away from the upper surface of the material receiving plate (16) to a waste material discharging groove (18).
  2. 2. The fine blanking efficient discharging manipulator as claimed in claim 1, wherein a drag chain (22) for binding wires and cables is further provided on the lower fixing assembly (11).
  3. 3. The fine blanking high-efficiency discharging manipulator according to claim 1 is characterized in that the fixing frame (23) is of a U-shaped frame structure, T-shaped groove connecting plates (25) are respectively arranged at two ends of an opening, two T-shaped grooves are formed in parallel on the upper surface of the mounting plate (6), and the fixing frame (23) is connected with the mounting plate (6) through the fixing of the T-shaped grooves and the connecting plates (25).
  4. 4. The fine blanking efficient discharging manipulator according to claim 1, wherein the sliding frame (17) is of a U-shaped frame structure, and a receiving plate (16) is externally connected to the opening end.
  5. 5. The fine blanking high-efficiency discharging manipulator according to claim 1, wherein the bottom of the baffle plate is contacted with the lower die plate (5) and can slide between the baffle plate and the lower die plate.
  6. 6. The fine blanking efficient discharging manipulator as claimed in claim 1, wherein the blanking frame (14) is a square frame structure.
  7. 7. The fine blanking efficient discharging manipulator as claimed in claim 1, wherein holes for passing through a lower ejector rod of the press machine are formed in the mounting plate (6) in a penetrating manner.
  8. 8. The use method of the fine blanking high-efficiency discharging manipulator according to any one of claims 1-7 is characterized by comprising the following steps: The method comprises the steps of fixing a lower template (5) on the upper surface of a mounting plate (6), vertically connecting a middle template (2) and an upper template (1) with the lower template (5) sequentially through guide posts (3), fixing a material strip (4) on the lower template (5), installing a fine-blanking high-efficiency discharging manipulator on a press machine, enabling an upper ejector rod of the press machine to pass through the upper template (1) and the middle template (2) and a lower ejector rod to pass through the mounting plate (6) and the lower template (5), then starting the press machine to drive the upper template (1) to descend for fine blanking operation of the material strip (4), driving the upper template (1) and the middle template (2) to ascend through the press machine after fine blanking is finished, embedding waste materials in a male die of the upper template (1), embedding the obtained materials in a female die of the lower template (5), starting a first pushing cylinder (24), enabling a middle ejector rod assembly (12) to slide towards the direction close to the material strip (4) under the action of the first pushing cylinder (24), reaching a position between the lower template (5) and the upper ejector rod (2), and then restoring the upper ejector rod assembly (16) to the upper ejector rod assembly and the upper template (16) to return to the initial position after fine blanking is finished, simultaneously, a second pushing cylinder (19) is started to drive the upper material stirring assembly (13) to slide, waste materials on the upper surface of the material receiving plate (16) are stirred away from the material receiving plate (16) and fall into a waste material discharging groove (18) under the action of a material stirring frame (14), then fall into a first discharging groove through a guide plate (21) and are finally collected by a waste material receiving box (10), and materials on the lower surface of the material receiving plate (16) are stirred away from a lower die plate (5) and fall into a material discharging groove (20) under the action of a baffle, and then are collected by the material receiving box (9) through the second discharging groove, so that separation of finely-stamped materials and waste materials is realized.

Description

Fine blanking high-efficiency discharging mechanical arm and method Technical Field The invention belongs to the technical field of stamping dies, and particularly relates to a fine stamping high-efficiency discharging manipulator and a fine stamping high-efficiency discharging method. Background The fine blanking process is widely applied to the field of stamping dies and is an indispensable part of stamping. The metal parts with complex shapes and accurate sizes are produced by punching, shearing, forming, bending and other technological processing of the metal plates by using equipment such as a punch press and the like, and the requirements of different industries on material processing are met. The origin of the fine blanking industry can be traced to the beginning of the 20 th century, and with the progress of mechanical technology, the fine blanking technology has been rapidly developed. The fine blanking industry is widely applied to the fields of automobiles, electronics, household appliances and the like, and provides key parts and solutions for manufacturing industry. The existing stamping die is inconvenient to take materials, most of the existing products are produced by adopting an air blowing-out type discharging mode, the appearance of the products is often damaged, the reject ratio is high, some products are discharged in a manual material taking mode aiming at the damage problem, and the other parts are discharged by leading in a mechanical arm, but the mechanical arm is too huge in design, so that the installation and the disassembly of each time are very inconvenient, and the production time is delayed. Disclosure of Invention The invention aims to provide a fine blanking high-efficiency discharging manipulator and a method, which solve the problems of bruise and higher reject ratio of products after fine blanking. Meanwhile, the light-weight design is adopted, so that subsequent installation and disassembly are convenient. The specific technical scheme adopted by the invention is as follows: in a first aspect, the invention provides a fine blanking high-efficiency discharging manipulator which comprises a base, a mounting plate, a secondary discharging chute, a material receiving box, a waste material receiving box, a lower fixing assembly, a middle material shifting assembly and an upper material shifting assembly; the secondary discharging chute comprises a first discharging chute and a second discharging chute which are inclined downwards, a waste material receiving box for receiving waste materials is arranged below the first discharging chute, and a material receiving box for receiving materials is arranged below the second discharging chute; The lower fixing component comprises a material discharging groove, a guide plate, a first pushing cylinder and a connecting plate which are fixed on a fixing frame, wherein the connecting plate which is used for being fixed with a mounting plate is arranged on the fixing frame; The middle material stirring assembly comprises a material receiving plate, a waste material discharging groove and a second pushing cylinder, wherein the material receiving plate, the waste material discharging groove and the second pushing cylinder are fixed on a sliding frame, the sliding frame is fixedly connected with an output shaft of the first pushing cylinder, the sliding frame can integrally move forwards and backwards through the first pushing cylinder, one end of the sliding frame is externally connected with the horizontally arranged material receiving plate, the inner side of the material receiving plate is communicated with the waste material discharging groove which is obliquely arranged downwards, a guide plate is supported below the waste material discharging groove, the material receiving plate is positioned above a lower template, a space for sliding materials is arranged between the material receiving plate and the lower template vertically, a baffle plate which bends downwards is arranged at the outer side of the material receiving plate and is used for poking materials away from the lower template to the material discharging groove, and the second pushing cylinder is axially arranged at one side of the sliding frame; The upper material stirring assembly comprises a material stirring frame and a sliding plate, wherein the sliding plate is fixedly connected with an output shaft of the second pushing cylinder, and one end of the sliding plate is provided with the material stirring frame for stirring waste materials away from the upper surface of the material receiving plate to a waste material discharging groove. Preferably, the lower fixing assembly is further provided with a drag chain for binding the electric wires and cables. Preferably, the fixing frame is of a U-shaped frame structure, two ends of the opening are respectively provided with a T-shaped groove type connecting plate, two T-shaped grooves are formed in parallel on the upper surface