CN117161175A

CN117161175A - Double-station processing-based metal part stamping processing equipment and use method thereof

Info

Publication number: CN117161175A
Application number: CN202311332839.0A
Authority: CN
Inventors: 周勇; 王超
Original assignee: Suzhou Shengmao Auto Parts Co ltd
Current assignee: Suzhou Shengmao Auto Parts Co ltd
Priority date: 2023-10-16
Filing date: 2023-10-16
Publication date: 2023-12-05

Abstract

The invention discloses metal part stamping processing equipment based on double-station processing and a using method thereof, belonging to the technical field of machine part processing and forming, and comprising a bracket, a burr-pressing and protruding component, a bending component, a material conveying component, a material loading table, a material unloading slide way upper die supporting plate, a damping rod and a sleeve; the burr-pressing and convex-drawing assembly comprises a first lower die assembly and a first upper die assembly; the rear end of the bottom of the upper die supporting plate is connected with the top of the first upper die assembly, and the rear end of the top of the bracket is connected with the bottom of the first lower die assembly; the limiting end of the first lower die assembly corresponds to the central axis of the limiting end of the first upper die assembly. Through the mode, the workpiece is sunk into the pressing groove end of the first lower die assembly for deburring, and the punch end of the first upper die assembly is subjected to drawing and protruding, so that two-step processing can be finished on the workpiece needing deburring and drawing and protruding at the same time; through the setting of duplex position, can process two sets of work pieces simultaneously, improve production efficiency.

Description

Double-station processing-based metal part stamping processing equipment and use method thereof

Technical Field

The invention relates to the technical field of machining and forming of mechanical parts, in particular to metal part stamping equipment based on double-station machining and a using method thereof.

Background

After the metal piece is cut and molded, in order to remove burrs generated by cutting, punching equipment is needed to be used for deburring; and for part of punching, the hole is required to be protruded, the peripheral materials of the hole site are turned over, the aperture is adjusted, and tapping is facilitated.

The invention with publication number CN104826935B discloses a support deburring die, which is pressed down through an upper die plate to enable the support to be pressed into a cavity of a corresponding deburring structure, so that deburring treatment is carried out on a workpiece.

However, the invention only realizes the function of deburring, and when the deburring and the convex drawing treatment are needed to be carried out on certain special-shaped metal pieces, the deburring and the convex drawing treatment are needed to be carried out step by step, and only a single workpiece is processed at a time, so that the efficiency is low.

Based on the above, the invention designs a metal part stamping processing device based on double-station processing and a using method thereof to solve the problems.

Disclosure of Invention

Aiming at the defects existing in the prior art, the invention provides metal part stamping processing equipment based on double-station processing and a using method thereof.

In order to achieve the above purpose, the invention is realized by the following technical scheme:

a metal part stamping equipment based on double-station processing comprises a bracket;

the top of the bracket is connected with the bottom of the lower die end of the deburring and embossing assembly for deburring the edge of the workpiece and embossing the through hole;

an upper die supporting plate for supporting an upper die is arranged right above the bracket, the bottom of the upper die supporting plate is connected with the top of the upper die end of the burr-pressing and convex-drawing assembly and the bending assembly, and the top of the upper die supporting plate is connected with an external hydraulic assembly;

the bottom of the upper die supporting plate is fixedly connected with the tops of a plurality of groups of damping rods used for buffering the upper die supporting plate, and the damping rods are symmetrically arranged on the left side and the right side of the upper die ends of the burr pressing and protruding assembly and the bending assembly;

the top of the bracket is fixedly connected with the bottoms of a plurality of groups of sleeves for inserting shock absorption rods, and the sleeves correspond to the axial positions of the shock absorption rods one by one;

a material conveying component for conveying workpieces is arranged on the right side of the bracket;

the front end and the rear end of the bracket are respectively provided with a discharging slideway for discharging and a feeding table for placing a workpiece to be processed;

the burr-pressing and convex-drawing assembly comprises a first lower die assembly and a first upper die assembly; the rear end of the bottom of the upper die supporting plate is connected with the top of the first upper die assembly, and the rear end of the top of the bracket is connected with the bottom of the first lower die assembly; the limiting end of the first lower die assembly corresponds to the central axis of the limiting end of the first upper die assembly.

Further, the first lower die assembly comprises a first punching positioning block, a pressing groove, a first punching positioning pin, a punch clearance hole, a punching limiting hole, a punching lower die plate, a punching lower die supporting plate, a punching stripping spring, a punching stripping plate, a second punching positioning block and a second punching positioning pin; the rear end of the top of the bracket is fixedly connected with the bottom of the stamping lower die supporting plate, and the top of the stamping lower die supporting plate is fixedly connected with the bottom of the stamping lower die plate; four groups of first stamping locating blocks are arranged on the left side of the top of the stamping lower die plate, four groups of second stamping locating blocks are arranged on the right side of the top of the stamping lower die plate, the bottoms of the first stamping locating blocks and the second stamping locating blocks are fixedly connected with the top of the stamping lower die plate, and the inner end side walls of the first stamping locating blocks and the second stamping locating blocks are respectively in contact connection with the outer side wall of a workpiece; the left side and the right side of the top of the first stamping locating block are respectively provided with a pressing groove, and the inner walls of the pressing grooves are respectively in fit sliding connection with the side walls of the stamping stripper plate; three groups of first stamping locating pins and three groups of second stamping locating pins are respectively arranged on the left side and the right side of the top of the stamping lower die supporting plate, and the bottoms of the first stamping locating pins and the second stamping locating pins are fixedly connected with the top of the stamping lower die supporting plate; the positions of the first stamping locating pin and the second stamping locating pin respectively correspond to the locating holes of the external workpiece; the left and right groups of stamping stripper plates are respectively provided with through holes which are matched with the side walls of the first stamping locating pin and the second stamping locating pin in a sliding connection manner; the bottom of the stamping stripping plate is connected with the upper ends of one or more groups of stamping stripping springs, and the lower ends of the stamping stripping springs are connected with the top of the stamping lower die supporting plate; four groups of punch bit avoidance holes are formed in the top of the punching stripper plate positioned on the left side, and the punch bit avoidance holes correspond to the positions of holes, which are required to be protruded, of an external workpiece; the top of the stamping lower die plate is symmetrically provided with stamping limiting holes.

Furthermore, the upper end and the lower end of the punching stripping spring are respectively in contact connection with the bottom of the punching stripping plate and the top of the punching lower die supporting plate.

Further, the first upper die assembly comprises a first punching positioning groove, a punch, a first punching positioning hole, a punching limiting rod, a punching upper die plate, a second punching positioning groove and a second punching positioning hole; the rear end of the bottom of the upper die supporting plate is fixedly connected with the top of the stamping upper die plate; the bottom of the stamping upper die plate is provided with four groups of first stamping locating grooves and four groups of second stamping locating grooves, the positions and the shapes of which are matched with the first stamping locating blocks and the second stamping locating blocks respectively; the bottom of the stamping upper die plate is provided with three groups of first stamping locating holes and three groups of second stamping locating holes, the positions and the shapes of which are respectively matched with the first stamping locating pins and the second stamping locating pins; four groups of punches matched with the positions and the shapes of the clearance holes of the punches are arranged at the bottom of the stamping upper die plate, and the tops of the punches are fixedly connected with the bottom of the stamping upper die plate; and the bottom of the stamping upper die plate is symmetrically provided with stamping limiting rods left and right, the tops of the stamping limiting rods are fixedly connected with the bottom of the stamping upper die plate, and the stamping limiting rods correspond to the central axis of the stamping limiting holes.

Further, the bending assembly comprises a second lower die assembly and a second upper die assembly; the front end of the bottom of the upper die supporting plate is connected with the top of the second upper die assembly, and the front end of the top of the bracket is connected with the bottom of the second lower die assembly; the limiting end of the second lower die assembly corresponds to the central axis of the limiting end of the second upper die assembly.

Further, the second lower die assembly comprises a bending positioning block, a bending stripper plate, a bending positioning pin, a punching limiting pin, a hollow positioning pin, a bending limiting hole, a bending lower die plate, a bending lower die supporting plate, a bending stripper spring, a stripper groove, a hollow positioning block and a pressing block groove; the front end of the top of the bracket is fixedly connected with the bottom of the lower bending die supporting plate, and the top of the lower bending die supporting plate is fixedly connected with the bottom of the lower bending die plate; four groups of bending positioning blocks are arranged on the left side of the top of the bending lower die plate, four groups of idle step positioning blocks are arranged on the right side of the top of the stamping lower die plate, the bottoms of the bending positioning blocks and the idle step positioning blocks are fixedly connected with the top of the bending lower die plate, and the inner end side walls of the bending positioning blocks and the idle step positioning blocks are respectively in contact connection with the outer side walls of the workpiece; two groups of stripping grooves are formed in the top of the left side of the bending lower template, and the inner wall of each stripping groove is in fit sliding connection with the side wall of the bending stripping plate; the left side of the top of the bending lower die supporting plate is fixedly connected with the bottoms of two groups of bending locating pins, and the positions of the bending locating pins correspond to locating holes of an external workpiece; the top of the bending stripper plate is provided with through holes which are in sliding connection with the side walls of the bending locating pins; the bottom of the bending stripper plate is connected with the upper ends of one or more groups of bending stripper springs, and the lower ends of the bending stripper springs are connected with the top of the bending lower die supporting plate; four groups of punching limiting pins matched with the shapes and positions of the outer workpiece convex through holes are arranged on the left side of the top of the bending lower die plate, and the bottoms of the punching limiting pins are fixedly connected with the top of the bending lower die plate; the left side of the top of the bending lower template is provided with a pressing block groove; a hollow locating pin corresponding to the position of the workpiece locating hole is arranged on the right side of the top of the bending lower die plate, and the bottom of the hollow locating pin is fixedly connected with the top of the bending lower die plate; bending limiting holes are symmetrically formed in the top of the bending lower die plate.

Furthermore, the upper end and the lower end of the bending stripping spring are respectively in contact connection with the bottom of the bending stripping plate and the top of the bending lower die supporting plate.

Further, the second upper die assembly comprises a bending positioning groove, a pressing block, a bending positioning hole, a limiting pin clearance hole, a bending limiting rod and a bending upper die plate; the front end of the bottom of the upper die supporting plate is fixedly connected with the top of the upper bending die plate, and four groups of bending positioning grooves with positions and shapes matched with the bending positioning blocks are formed in the bottom of the upper bending die plate; the bottom of the bending upper template is provided with a pressing block matched with the pressing block groove in position and shape, and the top of the pressing block is fixedly connected with the bottom of the bending upper template; two groups of bending locating holes matched with the positions and the shapes of the bending locating pins are formed in the bottom of the pressing block; four groups of limiting pin avoidance holes matched with the positions and the shapes of the punching limiting pins are formed in the bottom of the pressing block; the left side of the bottom of the bending upper template is fixedly connected with the top of the bending limiting rod, and the bending limiting rod corresponds to the central axis position of the bending limiting hole positioned on the left side.

Further, the material conveying component comprises a mechanical arm, a supporting rod and a sucker; a mechanical arm is arranged on the right side of the bracket; three groups of support rods are arranged on the left side wall of the mechanical arm, and the right side wall of each support rod is fixedly connected with the left side wall of the mechanical arm; the bottom of the supporting rod is fixedly connected with a plurality of groups of suckers.

The application method of the metal part stamping equipment based on double-station processing comprises the following steps:

starting a material conveying assembly, namely moving two groups of workpieces on a material conveying platform to the position above a stamping lower template of a first lower die assembly by a sucker end of the material conveying assembly, then putting down the two groups of workpieces, enabling side walls of the two groups of workpieces to be respectively contacted with inner side walls of a first stamping locating block and a second stamping locating block, enabling inner walls of locating holes of the two groups of workpieces to be respectively contacted with side walls of the first stamping locating pin and the second stamping locating pin, enabling the workpieces to be positioned, then driving an upper die supporting plate to be pressed down by an external hydraulic assembly, enabling a damping rod to be connected with a sleeve in an inserting mode, enabling the damping rod to be compressed, then driving a stamping upper template of the first upper die assembly to be continuously pressed down slowly, enabling a stamping limiting hole to be connected with the stamping limiting rod in an inserting mode, enabling the first stamping locating block to be connected with the first stamping locating slot, enabling the first stamping locating pin to be connected with the first stamping locating hole, enabling the second stamping locating block to be connected with the second stamping locating slot, enabling the second stamping upper template to be connected with the inner walls of the first stamping locating pin to be respectively, enabling the workpieces to be pressed down into a pressing groove to be pressed into a pressing burr, and enabling a stamping stripper plate to be lowered simultaneously, and enabling a stamping stripper spring to be compressed; the workpiece positioned on the left side is subjected to rough edge pressing, and the through holes corresponding to the positions of the punches are subjected to drawing, so that the punch avoiding holes avoid the punches; after the burr pressing and the bulge drawing are completed, the stamping upper die plate is lifted, all the components are separated, and the stamping stripping spring rebounds to drive the stamping stripping plate to slide upwards along the pressing groove so as to eject the workpiece; then, the conveying assembly conveys the workpiece processed in the first procedure to a processing surface of the bending assembly for further processing;

When the workpieces are placed above the bending lower die plate, the side walls of the two groups of workpieces are respectively contacted with the inner end side walls of the bending positioning blocks and the hollow positioning blocks, the inner walls of the positioning holes of the two groups of workpieces are respectively contacted with the side walls of the bending positioning pins and the hollow positioning pins, and the inner walls of the convex through holes of the workpieces positioned at the left side are contacted with the side walls of the punching limiting pins, so that the workpieces are positioned; at the moment, the bottom of the workpiece positioned at the left side is contacted with the top of the bending stripper plate; then the bending upper die plate of the second upper die assembly is pressed down, a bending positioning block and a bending positioning groove, a bending positioning pin and a bending positioning hole, a punching limiting pin and a limiting pin avoiding hole, a bending limiting hole and a bending limiting rod are matched and inserted, the bending upper die plate presses down a workpiece, a pressing block is pressed into a pressing block groove to bend the workpiece, and a bending stripper plate slides down along a stripper groove and compresses a bending stripper spring; after the bending is completed, the bending upper die plate rises, the bending stripper spring rebounds to enable the bending stripper plate to rise, the workpiece is ejected, and then the workpiece after the processing is transported to the unloading slideway by the material conveying assembly for unloading.

Advantageous effects

According to the invention, by starting the material conveying assembly, the sucker end of the material conveying assembly moves two groups of workpieces on the material conveying platform to the processing surface of the first lower die assembly, then the workpiece is put down, the side walls of the two groups of workpieces are respectively positioned with the positioning end of the first lower die assembly, then the outer hydraulic assembly drives the upper die supporting plate to be pressed down, the damping rod is inserted into the sleeve, the damping rod is compressed, then the upper die supporting plate drives the first upper die assembly to be continuously pressed down, the limiting ends of the first lower die assembly and the first upper die assembly are mutually inserted and limited, the first upper die assembly presses the workpiece, the workpiece is sunk into the pressing groove end of the first lower die assembly to perform burr pressing, and meanwhile, the punch end of the first upper die assembly is subjected to drawing and protruding, so that two-step processing can be completed on the workpiece needing burr pressing and protruding drawing; through the setting of duplex position, can process two sets of work pieces simultaneously, improve production efficiency.

According to the invention, the plurality of groups of support rods are operated simultaneously, so that workpieces at different positions can be synchronously transferred to the next process, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a perspective view of a main body structure of a metal part stamping processing device based on double-station processing;

FIG. 2 is a front view of a metal part stamping equipment based on double-station processing;

FIG. 3 is a left side view of a metal part stamping equipment based on double-station processing;

FIG. 4 is a cross-sectional view taken along the direction A-A of FIG. 3;

FIG. 5 is a perspective view of a first process lower die structure of a metal part stamping device based on double-station processing according to the invention;

FIG. 6 is a half cross-sectional view of a first process lower die structure of a dual-station processing-based metal part stamping processing device of the present invention;

FIG. 7 is a perspective view of a first process upper die structure of a metal part stamping device based on double-station processing according to the present invention;

FIG. 8 is a perspective view of a second process lower die structure of a metal part stamping device based on double-station processing according to the present invention;

FIG. 9 is a half cross-sectional view of a second process lower die structure of a dual-station tooling-based metal part stamping tooling apparatus of the present invention;

FIG. 10 is a perspective view of a second process upper die structure of a metal part stamping device based on double-station processing according to the present invention;

FIG. 11 is a perspective view of a first workpiece structure of a dual-station processing-based metal part stamping processing apparatus of the present invention;

fig. 12 is a perspective view showing a second workpiece structure of the metal part press working apparatus based on double-station working of the present invention.

Reference numerals in the drawings represent respectively:

1. a bracket; 2. a burr-pressing and convex-drawing assembly; 21. a first lower die assembly; 211. a first stamping locating block; 212. pressing a groove; 213. a first stamped locating pin; 214. a punch bit avoidance hole; 215. stamping a limit hole; 216. stamping a lower template; 217. stamping a lower die supporting plate; 218. stamping a stripping spring; 219. stamping a stripping plate; 2110. a second stamping locating block; 2111. a second stamping locating pin; 22. a first upper die assembly; 221. a first stamping positioning groove; 222. a punch; 223. a first punching positioning hole; 224. stamping a limit rod; 225. stamping an upper template; 226. a second stamping positioning groove; 227. a second punching positioning hole; 3. a bending assembly; 31. a second lower die assembly; 311. bending the positioning block; 312. bending the stripper plate; 313. bending the positioning pin; 314. punching a limiting pin; 315. a step positioning pin; 316. bending the limiting hole; 317. bending the lower template; 318. bending the lower die supporting plate; 319. bending a stripping spring; 3110. a stripping groove; 3111. a step of positioning block; 3112. a briquetting groove; 32. a second upper die assembly; 321. bending the positioning groove; 322. briquetting; 323. bending the positioning hole; 324. a limiting pin clearance hole; 325. bending the limiting rod; 326. bending the upper template; 4. a material conveying component; 41. a mechanical arm; 42. a support rod; 43. a suction cup; 5. a feeding table; 6. a discharge slideway; 7. an upper die supporting plate; 8. a shock-absorbing rod; 9. a sleeve; 10. a first workpiece; 11. and a second workpiece.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The invention is further described below with reference to examples.

Example 1

Referring to fig. 1-12 of the specification, a metal part stamping device based on double-station processing comprises a bracket 1.

The top of the bracket 1 is connected with the bottom of the lower die end of a deburring and embossing assembly 2 for deburring the edge of a workpiece and embossing the through hole of the workpiece and a bending assembly 3 for bending the workpiece;

an upper die supporting plate 7 for supporting an upper die is arranged right above the bracket 1, the bottom of the upper die supporting plate 7 is connected with the tops of the upper die ends of the burr-pressing and protruding component 2 and the bending component 3, and the top of the upper die supporting plate 7 is connected with an external hydraulic component;

The bottom of the upper die supporting plate 7 is fixedly connected with the tops of a plurality of groups of damping rods 8 used for buffering the upper die supporting plate 7, and the damping rods 8 are symmetrically arranged on the left side and the right side of the upper die ends of the burr pressing and protruding component 2 and the bending component 3;

the top of the bracket 1 is fixedly connected with the bottoms of a plurality of groups of sleeves 9 for inserting the shock absorbing rods 8, and the sleeves 9 correspond to the axial positions of the shock absorbing rods 8 one by one;

a material conveying component 4 for conveying workpieces is arranged on the right side of the bracket 1;

the front end and the rear end of the bracket 1 are respectively provided with a discharging slideway 6 for discharging and a loading table 5 for placing a workpiece to be processed;

the deburring and embossing assembly 2 comprises a first lower die assembly 21 and a first upper die assembly 22; the bottom rear end of the upper die supporting plate 7 is connected with the top of the first upper die assembly 22, and the top rear end of the bracket 1 is connected with the bottom of the first lower die assembly 21; the limiting end of the first lower die assembly 21 corresponds to the central axis of the limiting end of the first upper die assembly 22.

The first lower die assembly 21 comprises a first punching positioning block 211, a pressing groove 212, a first punching positioning pin 213, a punch clearance hole 214, a punching limiting hole 215, a punching lower die plate 216, a punching lower die supporting plate 217, a punching stripping spring 218, a punching stripping plate 219, a second punching positioning block 2110 and a second punching positioning pin 2111; the rear end of the top of the bracket 1 is fixedly connected with the bottom of the stamping lower die supporting plate 217, and the top of the stamping lower die supporting plate 217 is fixedly connected with the bottom of the stamping lower die plate 216; four groups of first stamping locating blocks 211 are arranged on the left side of the top of the stamping lower die plate 216, four groups of second stamping locating blocks 2110 are arranged on the right side of the top of the stamping lower die plate 216, the bottoms of the first stamping locating blocks 211 and the second stamping locating blocks 2110 are fixedly connected with the top of the stamping lower die plate 216, and the inner end side walls of the first stamping locating blocks 211 and the second stamping locating blocks 2110 are respectively in contact connection with the outer workpiece side walls; the left side and the right side of the top of the first punching positioning block 211 are respectively provided with a pressing groove 212, and the inner walls of the pressing grooves 212 are respectively in fit sliding connection with the side walls of the punching stripper plate 219; three groups of first stamping locating pins 213 and three groups of second stamping locating pins 2111 are respectively arranged on the left side and the right side of the top of the stamping lower die supporting plate 217, and the bottoms of the first stamping locating pins 213 and the second stamping locating pins 2111 are fixedly connected with the top of the stamping lower die supporting plate 217; the positions of the first punching positioning pin 213 and the second punching positioning pin 2111 respectively correspond to the positioning holes of the external workpiece; the left and right groups of punching stripper plates 219 are respectively provided with through holes which are matched with the side walls of the first punching locating pins 213 and the second punching locating pins 2111 in a sliding connection manner; the bottom of the punching stripper plate 219 is connected with the upper ends of one or more groups of punching stripper springs 218, and the lower ends of the punching stripper springs 218 are connected with the top of a punching lower die supporting plate 217; four groups of punch clearance holes 214 are formed in the top of the punching stripper plate 219 positioned on the left side, and the punch clearance holes 214 correspond to the positions of holes, which are required to be protruded, of an external workpiece; the top of the lower stamping die plate 216 is provided with stamping limiting holes 215 symmetrically left and right.

Preferably, the upper and lower ends of the punch stripper spring 218 are respectively connected with the bottom of the punch stripper plate 219 and the top of the punch lower die supporting plate 217 in a contact manner.

The first upper die assembly 22 comprises a first punching positioning groove 221, a punch 222, a first punching positioning hole 223, a punching limiting rod 224, a punching upper die plate 225, a second punching positioning groove 226 and a second punching positioning hole 227; the bottom rear end of the upper die supporting plate 7 is fixedly connected with the top of the stamping upper die plate 225; four groups of first stamping locating grooves 221 and four groups of second stamping locating grooves 226, the positions and the shapes of which are matched with the first stamping locating block 211 and the second stamping locating block 2110 respectively, are formed in the bottom of the stamping upper template 225; the bottom of the punching upper die plate 225 is provided with three groups of first punching positioning holes 223 and three groups of second punching positioning holes 227 which are matched with the first punching positioning pins 213 and the second punching positioning pins 2111 in position and shape respectively; four groups of punches 222 matched with the positions and the shapes of the punch clearance holes 214 are arranged at the bottom of the punching upper template 225, and the tops of the punches 222 are fixedly connected with the bottom of the punching upper template 225; the bottom of the stamping upper template 225 is symmetrically provided with stamping limiting rods 224 left and right, the top of each stamping limiting rod 224 is fixedly connected with the bottom of the stamping upper template 225, and the stamping limiting rods 224 correspond to the central axis of the stamping limiting holes 215.

When the device works, the material conveying assembly 4 is started, the sucker end of the material conveying assembly 4 moves two groups of workpieces on the material loading platform 5 to the position above the stamping lower template 216 of the first lower die assembly 21, then the workpiece is put down, the side walls of the two groups of workpieces are respectively contacted with the inner side walls of the first stamping locating block 211 and the second stamping locating block 2110, the inner walls of the locating holes of the two groups of workpieces are respectively contacted with the side walls of the first stamping locating pin 213 and the second stamping locating pin 2111, the workpieces are positioned, then the external hydraulic assembly drives the upper die supporting plate 7 to press downwards, the shock absorbing rod 8 is enabled to descend to be connected with the sleeve 9 in an inserting mode, the shock absorbing rod 8 is compressed, then the upper die supporting plate 7 drives the stamping upper template 225 of the first upper die assembly 22 to continue to slowly press downwards, the stamping limiting hole 215 and the stamping limiting rod 224 are enabled to be connected to be limited in an inserting mode, and then the first stamping locating block 211 is matched with the first stamping locating groove 221, the first stamping locating pin 213 and the first stamping locating hole 223, the second stamping locating pin 2110 and the second stamping locating groove 226, the second stamping locating pin 2111 and the second stamping locating block 227 are matched with the side walls, the outer side walls of the stamping locating plate 225, the workpiece is enabled to press downwards, and the workpiece is enabled to be pressed downwards, and the workpiece 219 is enabled to be pressed downwards, and the stamping upper die plate 212 is enabled to be pressed down, and the stamping blank 219 is enabled to be removed, and the material is simultaneously to be pressed down; the workpiece positioned on the left side is subjected to deburring, and the through holes corresponding to the positions of the punches 222 are subjected to drawing, so that the punch clearance holes 214 are used for clearance of the punches 222; after the burr pressing and the bulge drawing are completed, the stamping upper die plate 225 is lifted, all the components are separated, and the stamping stripping spring 218 rebounds to drive the stamping stripping plate 219 to slide upwards along the pressing groove 212 so as to eject the workpiece; the workpiece processed in the first procedure is transported to the processing surface of the bending component 3 by the material conveying component 4 for further processing; the two-step processing of the workpiece needing to be processed by deburring and embossing can be finished simultaneously by the simultaneous action of the pressing groove 212 and the punch 222 on the die; through the setting of duplex position, can process two sets of work pieces simultaneously, improve production efficiency.

Example 2

Referring to fig. 1-12 of the drawings, referring to embodiment 1, the bending assembly 3 includes a second lower die assembly 31 and a second upper die assembly 32; the front end of the bottom of the upper die supporting plate 7 is connected with the top of the second upper die assembly 32, and the front end of the top of the bracket 1 is connected with the bottom of the second lower die assembly 31; the limiting end of the second lower die assembly 31 corresponds to the central axis position of the limiting end of the second upper die assembly 32.

The second lower die assembly 31 includes a bending positioning block 311, a bending stripper plate 312, a bending positioning pin 313, a punching limiting pin 314, a blank positioning pin 315, a bending limiting hole 316, a bending lower die plate 317, a bending lower die supporting plate 318, a bending stripper spring 319, a stripper groove 3110, a blank positioning block 3111 and a press block groove 3112; the front end of the top of the bracket 1 is fixedly connected with the bottom of the lower bending die supporting plate 318, and the top of the lower bending die supporting plate 318 is fixedly connected with the bottom of the lower bending die plate 317; four groups of bending positioning blocks 311 are arranged on the left side of the top of the bending lower template 317, four groups of idle step positioning blocks 3111 are arranged on the right side of the top of the stamping lower template 216, the bottoms of the bending positioning blocks 311 and the idle step positioning blocks 3111 are fixedly connected with the top of the bending lower template 317, and the inner end side walls of the bending positioning blocks 311 and the idle step positioning blocks 3111 are respectively in contact connection with the outer workpiece side walls; two groups of stripping grooves 3110 are formed in the top of the left side of the lower bending template 317, and the inner wall of the stripping groove 3110 is in fit sliding connection with the side wall of the bending stripping plate 312; the left side of the top of the bending lower die supporting plate 318 is fixedly connected with the bottoms of two groups of bending positioning pins 313, and the positions of the bending positioning pins 313 correspond to the positioning holes of the external workpiece; the top of the bending stripper plate 312 is provided with through holes which are matched with the side walls of the bending positioning pins 313 in a sliding connection manner; the bottoms of the bending stripper plates 312 are connected with the upper ends of one or more groups of bending stripper springs 319, and the lower ends of the bending stripper springs 319 are connected with the top of a bending lower die supporting plate 318; four groups of punching limiting pins 314 matched with the shapes and positions of the outer workpiece convex through holes are arranged on the left side of the top of the bending lower die plate 317, and the bottoms of the punching limiting pins 314 are fixedly connected with the top of the bending lower die plate 317; the left side of the top of the lower bending template 317 is provided with a pressing block groove 3112; a hollow locating pin 315 corresponding to the position of the workpiece locating hole is arranged on the right side of the top of the bending lower template 317, and the bottom of the hollow locating pin 315 is fixedly connected with the top of the bending lower template 317; bending limiting holes 316 are symmetrically formed in the top of the bending lower template 317.

Preferably, the upper and lower ends of the bending stripper spring 319 are respectively connected with the bottom of the bending stripper plate 312 and the top of the bending lower die supporting plate 318 in a contact manner.

The second upper die assembly 32 comprises a bending positioning groove 321, a pressing block 322, a bending positioning hole 323, a limiting pin clearance hole 324, a bending limiting rod 325 and a bending upper die plate 326; the front end of the bottom of the upper die supporting plate 7 is fixedly connected with the top of the upper bending die plate 326, and the bottom of the upper bending die plate 326 is provided with four groups of bending positioning grooves 321 with positions and shapes matched with those of the bending positioning blocks 311; the bottom of the bending upper template 326 is provided with a pressing block 322 matched with the pressing block groove 3112 in position and shape, and the top of the pressing block 322 is fixedly connected with the bottom of the bending upper template 326; two groups of bending locating holes 323 matched with the positions and the shapes of the bending locating pins 313 are formed in the bottom of the pressing block 322; four groups of limiting pin avoidance holes 324 matched with the positions and the shapes of the punching limiting pins 314 are formed in the bottom of the pressing block 322; the left side of the bottom of the bending upper template 326 is fixedly connected with the top of the bending limiting rod 325, and the bending limiting rod 325 corresponds to the central axis position of the bending limiting hole 316 positioned on the left side.

When the device works, when workpieces are placed above the bending lower template 317, the side walls of two groups of workpieces are respectively contacted with the inner end side walls of the bending positioning block 311 and the idle positioning block 3111, the inner walls of the positioning holes of the two groups of workpieces are respectively contacted with the side walls of the bending positioning pin 313 and the idle positioning pin 315, and the inner walls of the convex through holes of the workpieces positioned at the left side are contacted with the side walls of the punching limiting pins 314, so that the workpieces are positioned; at this time, the bottom of the workpiece positioned on the left side is in contact with the top of the bending stripper plate 312; then the upper bending die plate 326 of the second upper die assembly 32 is pressed down, the bending locating block 311 is matched with the bending locating groove 321, the bending locating pin 313 is matched with the bending locating hole 323, the punching locating pin 314 is matched with the locating pin avoiding hole 324, the bending locating hole 316 and the bending locating rod 325 for insertion, the upper bending die plate 326 presses down the workpiece, the pressing block 322 is pressed into the pressing block groove 3112 to bend the workpiece, the bending stripper plate 312 slides down along the stripper groove 3110 and the bending stripper spring 319 is compressed; after the bending is completed, the bending upper template 326 ascends, the bending stripper spring 319 rebounds to enable the bending stripper plate 312 to ascend, the workpiece is ejected, and then the processed workpiece is transported to the unloading slideway 6 by the material conveying assembly 4 for unloading; the workpiece can be continuously processed through the matching material conveying component 4, and different processing steps can be performed when the workpiece is bent, and double phases are mutually independent.

Example 3

Referring to fig. 1-12 of the drawings, referring to embodiment 2, the material conveying assembly 4 includes a mechanical arm 41, a supporting rod 42 and a sucker 43; the right side of the bracket 1 is provided with a mechanical arm 41; three groups of support rods 42 are arranged on the left side wall of the mechanical arm 41, and the right end side walls of the support rods 42 are fixedly connected with the left side wall of the mechanical arm 41; the bottom of the supporting rod 42 is fixedly connected with a plurality of groups of suckers 43.

When the device works, the mechanical arm 41 of the material conveying assembly 4 slides backwards, the three groups of support rods 42 move backwards to the positions above the material loading table 5, the stamping lower die plate 216 and the bending lower die plate 317, then the mechanical arm 41 drives the support rods 42 to move downwards, and the three groups of suckers 43 suck workpieces on the material loading table 5, the stamping lower die plate 216 and the bending lower die plate 317 respectively; then the mechanical arm 41 drives the supporting rod 42 to lift and move forwards until the supporting rod 42 moves above the stamping lower die plate 216, the bending lower die plate 317 and the unloading slideway 6, the mechanical arm 41 drives the supporting rod 42 to descend, and then the sucker 43 is closed, so that the workpiece is put down; then the mechanical arm 41 drives the supporting rods 42 to move upwards and backwards, so that the middle group of supporting rods 42 is positioned between the burr pressing and protruding component 2 and the bending component 3, and accordingly avoidance is carried out, and the upper die supporting plate 7 is pressed downwards for processing; the plurality of groups of support rods 42 are operated simultaneously, so that workpieces at different positions can be transferred to the next process at the same time, and the production efficiency is improved.

Example 4

Referring to fig. 1 to 12 of the specification on the basis of embodiment 3, a method for using a metal part stamping device based on double-station processing includes the following steps:

step one, starting a material conveying assembly 4, wherein the sucker end of the material conveying assembly 4 moves two groups of workpieces on a material loading platform 5 to be above a stamping lower template 216 of a first lower die assembly 21, then putting down the workpiece, enabling the side walls of the two groups of workpieces to be respectively contacted with the inner side walls of a first stamping locating block 211 and a second stamping locating block 2110, enabling the inner walls of the locating holes of the two groups of workpieces to be respectively contacted with the side walls of a first stamping locating pin 213 and a second stamping locating pin 2111, enabling the workpieces to be located, then driving an upper die supporting plate 7 to be pressed down by an external hydraulic assembly, enabling a shock rod 8 to be lowered to be inserted into a sleeve 9, enabling the shock rod 8 to be compressed, then driving a stamping upper template 225 of a first upper die assembly 22 to be continuously and slowly pressed down, enabling a stamping limiting hole 215 and a stamping limiting rod 224 to be inserted into and limited, and enabling the first stamping locating block 211 to be respectively contacted with the inner side walls of a first stamping locating groove 221, a first stamping locating pin 213 and a first stamping locating hole 223, a second stamping locating block 2110 and a second stamping locating groove 226, a second stamping locating pin 2111 and a second stamping locating hole 227 to be mutually matched, enabling the stamping upper template 225 to be pressed down, enabling the workpiece to be pressed down and the workpiece to be pressed down by the upper template 7 to be pushed down, enabling the stamping upper template to be pressed down to be pushed down by a stamping upper template to be pushed down by a spring 212, and simultaneously, and enabling a stamping blank to be removed from a raw material to be pressed down; the workpiece positioned on the left side is subjected to deburring, and the through holes corresponding to the positions of the punches 222 are subjected to drawing, so that the punch clearance holes 214 are used for clearance of the punches 222; after the burr pressing and the bulge drawing are completed, the stamping upper die plate 225 is lifted, all the components are separated, and the stamping stripping spring 218 rebounds to drive the stamping stripping plate 219 to slide upwards along the pressing groove 212 so as to eject the workpiece; the workpiece processed in the first procedure is transported to the processing surface of the bending component 3 by the material conveying component 4 for further processing;

Step two, when the workpieces are placed above the bending lower template 317, the side walls of the two groups of workpieces are respectively contacted with the inner end side walls of the bending positioning block 311 and the blank positioning block 3111, the inner walls of the positioning holes of the two groups of workpieces are respectively contacted with the side walls of the bending positioning pin 313 and the blank positioning pin 315, and the inner walls of the convex through holes of the workpieces positioned at the left side are contacted with the side walls of the punching limiting pins 314, so that the workpieces are positioned; at this time, the bottom of the workpiece positioned on the left side is in contact with the top of the bending stripper plate 312; then the upper bending die plate 326 of the second upper die assembly 32 is pressed down, the bending locating block 311 is matched with the bending locating groove 321, the bending locating pin 313 is matched with the bending locating hole 323, the punching locating pin 314 is matched with the locating pin avoiding hole 324, the bending locating hole 316 and the bending locating rod 325 for insertion, the upper bending die plate 326 presses down the workpiece, the pressing block 322 is pressed into the pressing block groove 3112 to bend the workpiece, the bending stripper plate 312 slides down along the stripper groove 3110 and the bending stripper spring 319 is compressed; after the bending is completed, the bending upper template 326 rises, the bending stripper spring 319 rebounds to enable the bending stripper plate 312 to rise, the workpiece is ejected, and then the machined workpiece is transported to the unloading slideway 6 by the material conveying assembly 4 for unloading.

The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. Metal piece stamping processing equipment based on duplex position processing, including support (1), its characterized in that:

the top of the bracket (1) is connected with the bottom of the lower die end of a blank pressing edge convex component (2) for blank pressing the edge of a workpiece and a through hole convex workpiece and a bending component (3) for bending the workpiece;

an upper die supporting plate (7) for supporting an upper die is arranged right above the bracket (1), the bottom of the upper die supporting plate (7) is connected with the tops of the upper die ends of the burr-pressing and protruding component (2) and the bending component (3), and the top of the upper die supporting plate (7) is connected with an external hydraulic component;

the bottom of the upper die supporting plate (7) is fixedly connected with the tops of a plurality of groups of damping rods (8) used for buffering the upper die supporting plate (7), and the damping rods (8) are symmetrically arranged on the left side and the right side of the upper die ends of the burr pressing and protruding component (2) and the bending component (3) in a left-right symmetry mode;

The top of the bracket (1) is fixedly connected with the bottoms of a plurality of groups of sleeves (9) for inserting shock absorption rods (8), and the sleeves (9) are in one-to-one correspondence with the axial positions of the shock absorption rods (8);

a material conveying component (4) for conveying workpieces is arranged on the right side of the bracket (1);

the front end and the rear end of the bracket (1) are respectively provided with a discharging slideway (6) for discharging and a loading table (5) for placing a workpiece to be processed;

the burr-pressing and protruding-drawing assembly (2) comprises a first lower die assembly (21) and a first upper die assembly (22); the rear end of the bottom of the upper die supporting plate (7) is connected with the top of the first upper die assembly (22), and the rear end of the top of the bracket (1) is connected with the bottom of the first lower die assembly (21); the limiting end of the first lower die assembly (21) corresponds to the central axis position of the limiting end of the first upper die assembly (22).

2. The dual-station tooling-based metal part stamping tooling device of claim 1, wherein the first lower die assembly (21) comprises a first stamping locating block (211), a pressing slot (212), a first stamping locating pin (213), a punch clearance hole (214), a stamping limiting hole (215), a stamping lower die plate (216), a stamping lower die support plate (217), a stamping stripper spring (218), a stamping stripper plate (219), a second stamping locating block (2110) and a second stamping locating pin (2111); the rear end of the top of the bracket (1) is fixedly connected with the bottom of the stamping lower die supporting plate (217), and the top of the stamping lower die supporting plate (217) is fixedly connected with the bottom of the stamping lower die plate (216); four groups of first stamping locating blocks (211) are arranged on the left side of the top of the stamping lower die plate (216), four groups of second stamping locating blocks (2110) are arranged on the right side of the top of the stamping lower die plate (216), the bottoms of the first stamping locating blocks (211) and the second stamping locating blocks (2110) are fixedly connected with the top of the stamping lower die plate (216), and the inner end side walls of the first stamping locating blocks (211) and the second stamping locating blocks (2110) are respectively in contact connection with the outer workpiece side walls; the left side and the right side of the top of the first punching positioning block (211) are respectively provided with a pressing groove (212), and the inner walls of the pressing grooves (212) are respectively in fit sliding connection with the side walls of the punching stripper plate (219); three groups of first stamping locating pins (213) and three groups of second stamping locating pins (2111) are respectively arranged on the left side and the right side of the top of the stamping lower die supporting plate (217), and the bottoms of the first stamping locating pins (213) and the second stamping locating pins (2111) are fixedly connected with the top of the stamping lower die supporting plate (217); the positions of the first stamping locating pin (213) and the second stamping locating pin (2111) respectively correspond to the locating holes of the external workpiece; the left and right groups of stamping stripper plates (219) are respectively provided with through holes which are in sliding connection and matched with the side walls of the first stamping locating pins (213) and the second stamping locating pins (2111); the bottoms of the stamping stripping plates (219) are connected with the upper ends of one or more groups of stamping stripping springs (218), and the lower ends of the stamping stripping springs (218) are connected with the top of a stamping lower die supporting plate (217); four groups of punch clearance holes (214) are formed in the top of the punching stripper plate (219) positioned on the left side, and the punch clearance holes (214) correspond to the positions of holes, which are required to be protruded, of an external workpiece; the top of the stamping lower die plate (216) is symmetrically provided with stamping limiting holes (215) left and right.

3. The dual-station tooling-based metal part stamping tooling apparatus of claim 2, wherein the upper and lower ends of the stamping stripper springs (218) are each in contact with the bottom of the stamping stripper plate (219) and the top of the stamping lower die support plate (217), respectively.

4. A dual-station tooling-based metal part stamping tooling apparatus according to claim 3, wherein the first upper die assembly (22) comprises a first stamping detent (221), a punch (222), a first stamping detent hole (223), a stamping stop lever (224), a stamping upper die plate (225), a second stamping detent (226) and a second stamping detent hole (227); the bottom rear end of the upper die supporting plate (7) is fixedly connected with the top of the stamping upper die plate (225); four groups of first stamping locating grooves (221) and four groups of second stamping locating grooves (226) which are matched with the first stamping locating block (211) and the second stamping locating block (2110) in position and shape are formed in the bottom of the stamping upper die plate (225); three groups of first punching positioning holes (223) and three groups of second punching positioning holes (227) which are respectively matched with the first punching positioning pins (213) and the second punching positioning pins (2111) in position and shape are arranged at the bottom of the punching upper die plate (225); four groups of punches (222) matched with the positions and the shapes of the punch clearance holes (214) are arranged at the bottom of the punching upper die plate (225), and the tops of the punches (222) are fixedly connected with the bottom of the punching upper die plate (225); the bottom of punching press cope match-plate pattern (225) installs punching press gag lever post (224) bilateral symmetry, and the top of punching press gag lever post (224) all is connected with the bottom fixed of punching press cope match-plate pattern (225), and punching press gag lever post (224) are corresponding with the axis position of punching press spacing hole (215).

5. The metal piece stamping processing device based on double-station processing according to claim 4, wherein the bending assembly (3) comprises a second lower die assembly (31) and a second upper die assembly (32); the front end of the bottom of the upper die supporting plate (7) is connected with the top of the second upper die assembly (32), and the front end of the top of the bracket (1) is connected with the bottom of the second lower die assembly (31); the limiting end of the second lower die assembly (31) corresponds to the central axis position of the limiting end of the second upper die assembly (32).

6. The metal piece stamping processing device based on double-station processing according to claim 5, wherein the second lower die assembly (31) comprises a bending positioning block (311), a bending stripper plate (312), a bending positioning pin (313), a punching limiting pin (314), a hollow positioning pin (315), a bending limiting hole (316), a bending lower die plate (317), a bending lower die supporting plate (318), a bending stripper spring (319), a stripper groove (3110), a hollow positioning block (3111) and a briquetting groove (3112); the front end of the top of the bracket (1) is fixedly connected with the bottom of a lower bending die supporting plate (318), and the top of the lower bending die supporting plate (318) is fixedly connected with the bottom of a lower bending die plate (317); four groups of bending positioning blocks (311) are arranged on the left side of the top of the bending lower die plate (317), four groups of idle step positioning blocks (3111) are arranged on the right side of the top of the stamping lower die plate (216), the bottoms of the bending positioning blocks (311) and the idle step positioning blocks (3111) are fixedly connected with the top of the bending lower die plate (317), and the inner end side walls of the bending positioning blocks (311) and the idle step positioning blocks (3111) are respectively connected with the outer side walls of a workpiece in a contact manner; two groups of stripping grooves (3110) are formed in the top of the left side of the bending lower template (317), and the inner wall of the stripping groove (3110) is in fit sliding connection with the side wall of the bending stripping plate (312); the left side of the top of the bending lower die supporting plate (318) is fixedly connected with the bottoms of two groups of bending positioning pins (313), and the positions of the bending positioning pins (313) correspond to positioning holes of an external workpiece; the top of the bending stripper plate (312) is provided with through holes which are in sliding connection and matched with the side walls of the bending positioning pins (313); the bottoms of the bending stripper plates (312) are connected with the upper ends of one or more groups of bending stripper springs (319), and the lower ends of the bending stripper springs (319) are connected with the top of a bending lower die supporting plate (318); four groups of punching limiting pins (314) matched with the shapes and positions of the outer workpiece convex through holes are arranged on the left side of the top of the bending lower die plate (317), and the bottoms of the punching limiting pins (314) are fixedly connected with the top of the bending lower die plate (317); a briquetting groove (3112) is formed in the left side of the top of the bent lower template (317); a hollow locating pin (315) corresponding to the workpiece locating hole is arranged on the right side of the top of the bending lower die plate (317), and the bottom of the hollow locating pin (315) is fixedly connected with the top of the bending lower die plate (317); bending limiting holes (316) are symmetrically formed in the top of the bending lower die plate (317) in a left-right mode.

7. The metal piece stamping processing device based on double-station processing according to claim 6, wherein the upper end and the lower end of the bending stripper spring (319) are respectively connected with the bottom of the bending stripper plate (312) and the top of the bending lower die supporting plate (318) in a contact manner.

8. The dual-station tooling-based metal part stamping tooling device of claim 7, wherein the second upper die assembly (32) comprises a bend locating slot (321), a press block (322), a bend locating hole (323), a stop pin clearance hole (324), a bend stop lever (325), and a bend upper die plate (326); the front end of the bottom of the upper die supporting plate (7) is fixedly connected with the top of a bending upper die plate (326), and four groups of bending positioning grooves (321) with positions and shapes matched with the bending positioning blocks (311) are formed in the bottom of the bending upper die plate (326); the bottom of the bending upper template (326) is provided with a pressing block (322) matched with the pressing block groove (3112) in position and shape, and the top of the pressing block (322) is fixedly connected with the bottom of the bending upper template (326); two groups of bending positioning holes (323) matched with the positions and the shapes of the bending positioning pins (313) are formed in the bottom of the pressing block (322); four groups of limiting pin avoidance holes (324) matched with the positions and the shapes of the punching limiting pins (314) are formed in the bottom of the pressing block (322); the left side of the bottom of the bending upper die plate (326) is fixedly connected with the top of the bending limiting rod (325), and the bending limiting rod (325) corresponds to the central axis position of the bending limiting hole (316) positioned on the left side.

9. The double-station processing-based metal piece stamping processing device according to claim 8, wherein the material conveying assembly (4) comprises a mechanical arm (41), a supporting rod (42) and a sucker (43); a mechanical arm (41) is arranged on the right side of the bracket (1); three groups of support rods (42) are arranged on the left side wall of the mechanical arm (41), and the right end side walls of the support rods (42) are fixedly connected with the left side wall of the mechanical arm (41); the bottom of the supporting rod (42) is fixedly connected with a plurality of groups of suckers (43).

10. A method of using the dual-station tooling-based metal part stamping tooling apparatus of claim 9, comprising the steps of:

step one, starting a material conveying assembly (4), wherein the sucker end of the material conveying assembly (4) moves two groups of workpieces on a material loading table (5) to be above a punching lower template (216) of a first lower die assembly (21), then putting down the two groups of workpieces, enabling the side walls of the two groups of workpieces to be respectively contacted with the inner side walls of a first punching positioning block (211) and a second punching positioning block (2110), enabling the inner walls of the positioning holes of the two groups of workpieces to be respectively contacted with the side walls of a first punching positioning pin (213) and a second punching positioning pin (2111), enabling the workpieces to be positioned, then driving an upper die supporting plate (7) to be pressed down, enabling a shock absorbing rod (8) to be connected with a sleeve (9) in an inserting mode, enabling the shock absorbing rod (8) to be compressed, then driving a punching upper template (225) of a first upper die assembly (22) to be continuously pressed down slowly, enabling a punching limiting hole (215) and a punching limiting rod (224) to be connected with the inner side walls of the first punching positioning block (221), enabling the inner walls of the positioning holes of the two groups of workpieces to be respectively contacted with the first punching positioning block (213), enabling the first punching positioning pin (213) and the side walls of the second punching positioning pin (226) to be respectively contacted with the side walls of the second punching positioning block (2111), enabling the first punching positioning block (213) to be pressed down, enabling the first punching positioning pin (219) to be matched with the second punching positioning pin (219) to be pressed down, and punched by the second positioning plate (212) to be pressed down, and punched and the positioning plate (2) to be matched with one is pressed, causing the punch stripper spring (218) to compress; the workpiece positioned on the left side is subjected to deburring, and the through hole corresponding to the position of the punch (222) is subjected to drawing, and the punch clearance hole (214) is used for clearance of the punch (222); after the burr pressing and the bulge drawing are completed, the stamping upper die plate (225) is lifted, all the components are separated, the stamping stripping spring (218) rebounds to drive the stamping stripping plate (219) to slide upwards along the pressing groove (212) so as to eject the workpiece; then the conveying component (4) conveys the workpiece processed in the first procedure to the processing surface of the bending component (3) for further processing;

Step two, when the workpieces are placed above the bending lower die plate (317), the side walls of the two groups of workpieces are respectively contacted with the inner end side walls of the bending positioning block (311) and the hollow positioning block (3111), the inner walls of the positioning holes of the two groups of workpieces are respectively contacted with the side walls of the bending positioning pin (313) and the hollow positioning pin (315), and the inner walls of the convex through holes of the workpieces positioned at the left side are contacted with the side walls of the punching limiting pins (314), so that the workpieces are positioned; at the moment, the bottom of the workpiece positioned at the left side is contacted with the top of the bending stripper plate (312); then the bending upper die plate (326) of the second upper die assembly (32) is pressed down, the bending positioning block (311) is matched with the bending positioning groove (321), the bending positioning pin (313) is matched with the bending positioning hole (323), the punching limiting pin (314) is matched with the limiting pin avoiding hole (324), the bending limiting hole (316) and the bending limiting rod (325), the bending upper die plate (326) presses down the workpiece, the pressing block (322) is pressed into the pressing block groove (3112) to bend the workpiece, the bending stripper plate (312) slides down along the stripper groove (3110) and the bending stripper spring (319) is compressed; after the bending is finished, the bending upper die plate (326) rises, the bending stripping spring (319) rebounds to enable the bending stripping plate (312) to rise, the workpiece is ejected, and then the workpiece after the processing is conveyed to the unloading slideway (6) by the conveying component (4) for unloading.