Material-saving stamping progressive die

Abstract

The utility model discloses a material-saving stamping progressive die. The material-saving stamping progressive die comprises an upper die base, an upper padding plate, an upper clamping plate, a stopping plate, a stripper plate, a lower die plate, a lower padding plate, a lower die base, two convex hull assemblies, three groups of component cutting assemblies, an upper bending assembly, a lower bending assembly and a stripper spring. The upper die base, the upper padding plate and the upper clamping plate are sequentially fixed together, the stopping plate and the stripper plate are fixed together and located below the upper clamping plate, the lower die plate, the lower padding plate and the lower die base are sequentially fixed together, and the two ends of the stripper spring abut against the upper die base and the stopping plate respectively. The convex hull assembly, the slitting assembly, the upper bending assembly and the lower bending assembly are sequentially installed on the upper clamping plate and the lower die plate according to machining procedures. Due to the fact that the convex hull assembly, the slitting assembly, the upper bending assembly and the lower bending assembly can sequentially complete machining of two convex hulls of a stamping part, cutting off of a primary product and upper bending and lower bending of the stamping part, stamping forming of the stamping part is completed at a time, and the stamping forming machine has the advantage of being stable and reliable in action.

Description

Technical Field

[0001] The utility model relates to a stamping die, in particular to a material-saving stamping progressive die. Background Art

[0002] A progressive die is a die used in the stamping process that allows multiple processes, such as blanking, bending, forming, drawing, etc., to be completed in one stamping stroke of the press. The design of this die allows the use of coils or strips as raw materials, and automatic feeding and unloading to achieve automated production. The characteristics of a progressive die include high productivity, reduced equipment, die quantity and workshop area, elimination of semi-finished product transportation and storage, and safe operation. Figure 1 , Figure 2 As shown, a stamping part 100, the traditional material arrangement method is to punch out two stamping parts 100 at the same time in the material strip 200. Since waste will be generated between the two stamping parts 100, the raw materials are relatively wasted. Therefore, the industry punches out one stamping part 100 at a time in the material strip 200, thereby achieving the purpose of saving materials. Utility Model Content

[0003] The utility model aims to provide a material-saving stamping progressive die with stable and reliable action.

[0004] To achieve the above purpose, the technical solution of the utility model is:

[0005] The utility model is a material-saving stamping progressive die, comprising an upper die seat, an upper pad, an upper clamping plate, a stopper plate, a stripping plate, a lower template, a lower pad, a lower die seat, a lower pad, a lower supporting plate, two convex hull components, three-group cutting components, an upper bending component, a lower bending component, and a stripping spring;

[0006] The lower template, the lower pad, the lower die base, the lower pad, and the lower support plate are fixed together in sequence, the stop plate and the stripping plate are fixed together and are located below the upper clamping plate, the lower template, the lower pad, and the lower die base are fixed together in sequence, the stripping spring is installed in the upper die base, the upper pad, and the upper clamping plate, and the two ends of the stripping spring are respectively against the upper die base and the stop plate, and the two convex hull components, the three-group cutting components, the upper bending component, and the lower bending component are sequentially installed on the upper clamping plate and the lower template according to the processing procedures;

[0007] The convex assembly includes a convex punch and a convex die; the upper end of the convex punch is fixed on the stripping plate, the lower end of the convex punch extends to the top surface of the convex die, and the lower end of the convex die is fixed on the lower template;

[0008] The slitting assembly comprises a slitting punch and a slitting die; the upper end of the slitting punch is fixed on the upper clamping plate, the lower end of the slitting punch passes through the stop plate and the stripper plate and then extends to the top surface of the slitting die, and the lower end of the slitting die is fixed on the lower template;

[0009] The upper bending assembly comprises an upper folding punch, an upper folding die, an upper folding support plate, and an upper folding spring; the upper end of the upper folding punch is fixed on the upper clamping plate, the lower end of the upper folding punch passes through the stop plate and the stripping plate and then extends to the top surface of the upper folding die, the lower end of the upper folding die is fixed on the lower template, the upper folding support plate is movably sleeved in the upper folding die, the upper folding spring is installed in the lower pad and the lower die seat, the upper end of the upper folding spring is against the bottom surface of the upper folding support plate, and the lower end of the upper folding spring is against the lower die seat;

[0010] The lower bending assembly includes a lower folding punch, a lower folding insert, two lower folding stripping blocks, two lower folding springs, and a reset rod; the lower end of the lower folding punch is fixed under the upper clamping plate, the lower end of the lower folding punch passes through the stop plate and the stripping plate and then extends to the lower folding insert, the upper end of the reset rod is fixed on the stripping plate, the lower end of the reset rod rests on the lower folding stripping block, the lower end of the lower folding insert is fixed on the lower pad, the two lower folding stripping blocks are respectively movably mounted in the lower die base, the two lower folding stripping blocks are respectively located on both sides of the lower folding insert and can move up and down along both sides of the lower folding insert to play a stripping role, and the two ends of the two lower folding springs respectively rest on the bottom surfaces of the two lower folding stripping blocks and the lower supporting plate.

[0011] The utility model also includes a floating material guide component; the floating material guide component includes a material guide pin, a material guide spring, and a bolt column; the material guide pin is movably sleeved in the pin hole of the lower template, the top of the material guide pin passes through the top surface of the lower template upward and the material guide pin on the upper part of the material guide groove allows the material belt to pass through, the lower end of the material guide pin rests on the material guide spring, the material guide spring is sleeved in the lower pad and the lower die seat, the lower end of the material guide spring rests on the stop screw, and the stop screw is fixed to the lower die seat.

[0012] The utility model also comprises a guide post and a guide sleeve; the upper end of the guide post is fixed on the upper clamping plate, the lower end of the guide post passes through the stop plate and the stripping plate and then movably sleeved in the guide sleeve, and the guide sleeve is fixed on the lower template.

[0013] After adopting the above scheme, since the utility model includes an upper die base, an upper pad, an upper clamping plate, a stop plate, a stripping plate, a lower template, a lower pad, a lower die base, two convex assemblies, three-group cutting assemblies, an upper bending assembly, a lower bending assembly, and a stripping spring, the two convex assemblies, the three-group cutting assemblies, the upper bending assembly, and the lower bending assembly can sequentially complete the processing of the two convex assemblies of the stamping parts, the cutting of the preliminary products, the upper bending and lower bending of the stamping parts, and complete the stamping forming of the stamping parts at one time, and has the advantages of stable and reliable operation.

[0014] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 , Figure 2It is the top view and side view of the stamped part;

[0016] Figure 3 , Figure 4 It is the top view and side view of the traditional strip arrangement;

[0017] Figure 5 , Figure 6 It is a top view and a side view of the material strip arrangement of the utility model;

[0018] Figure 7 It is a diagram of the folded-down state of the utility model;

[0019] Figure 8 It is a lifting state diagram of the utility model. DETAILED DESCRIPTION

[0020] like Figure 5-Figure 8 As shown, the utility model is a material-saving stamping progressive die, including an upper die base 1, an upper pad 2, an upper clamping plate 3, a stop plate 4, a stripping plate 5, a lower template 6, a lower pad 7, a lower die base 8, two convex hull components 9, a three-group cutting component 10, an upper bending component 20, a lower bending component 30, a stripping spring 40, a guide column 50, a guide sleeve 60, a floating guide component 70, a lower pad 80, and a lower support plate 90.

[0021] The upper die base 1, upper pad 2, and upper clamping plate 3 are fixed together in sequence, the stop plate 4 and the stripping plate 5 are fixed together and are located below the upper clamping plate 3, the lower template 6, the lower pad 7, the lower die base 8, the lower pad 80, and the lower support plate 90 are fixed together in sequence, the stripping spring 40 is installed in the upper die base 1, the upper pad 2, and the upper clamping plate 3, and the two ends of the stripping spring 40 are respectively against the upper die base 1 and the stop plate 4, the two convex assemblies 9, the three-group cutting assemblies 10, the upper bending assembly 20, and the lower bending assembly 30 are installed on the upper clamping plate 3 and the lower template 6 in sequence according to the processing procedure; the upper end of the guide column 50 is fixed on the upper clamping plate 3, and the lower end of the guide column 50 passes through the stop plate 4 and the stripping plate 5 and is movably sleeved in the guide sleeve 60, and the guide sleeve 60 is fixed on the lower template 6.

[0022] The convex assembly 9 includes a convex punch 91 and a convex die 92; the upper end of the convex punch 91 is fixed on the stripping plate 5, the lower end of the convex punch 91 extends to the top surface of the convex die 92, and the lower end of the convex die 92 is fixed on the lower template 6.

[0023] The slitting assembly 10 includes a slitting punch 101 and a slitting die 102; the upper end of the slitting punch 101 is fixed on the upper clamping plate 3, the lower end of the slitting punch 101 passes through the stop plate 4 and the stripper plate 5 and extends to the top surface of the slitting die 102, and the lower end of the slitting die 102 is fixed on the lower template 6.

[0024] The upper bending assembly 20 includes an upper folding punch 201, an upper folding die 202, an upper folding support plate 203, and an upper folding spring 204; the upper end of the upper folding punch 201 is fixed on the upper clamping plate 3, the lower end of the upper folding punch 201 passes through the stop plate 4 and the stripping plate 5 and extends to the top surface of the upper folding die 202, the lower end of the upper folding die 202 is fixed on the lower template 6, the upper folding support plate 203 is movably sleeved in the upper folding die 202, the upper folding spring 204 is installed in the lower pad 7 and the lower die seat 8, the upper end of the upper folding spring 204 rests on the bottom surface of the upper folding support plate 203, and the lower end of the upper folding spring 204 rests on the lower die seat 8.

[0025] The lower bending assembly 30 includes a lower folding punch 301, a lower folding insert 302, two lower folding stripping blocks 303, two lower folding springs 304, and a reset rod 305; the lower end of the lower folding punch 301 is fixed under the upper clamping plate 3, the lower end of the lower folding punch 301 passes through the stop plate 4 and the stripping plate 5 and then extends to the lower folding insert 302, the upper end of the reset rod 305 is fixed on the stripping plate 5, and the lower end of the reset rod 305 rests on On the lower folding stripping block 303, the lower end of the lower folding insert 302 is fixed on the lower pad 7, and the two lower folding stripping blocks 303 are movably mounted in the lower mold base 8. The two lower folding stripping blocks 303 are respectively located on both sides of the lower folding insert 302 and can move up and down along both sides of the lower folding insert 302 to play a stripping role. The two ends of the two lower folding springs 304 are respectively against the bottom surfaces of the two lower folding stripping blocks 303 and the lower support plate 90.

[0026] Working principle of the lower bending assembly 30:

[0027] Since the lower bending dimension of the stamping part 100 is relatively long, the upper die first moves downward under the action of the punch slide, and the reset rod 305 pushes the lower folding stripping block 303 to move downward to perform a reset action until the front of the lower folding stripping block 303 is in contact with the front of the lower template 6, and the lower folding punch 301 starts to move downward to perform a bending action until the lower starting point of the punch (such bending ensures the flatness of the product side and smooth product stripping); under the action of the punch slide, the upper die starts to move upward, and the lower folding punch 301 moves upward first and separates from the stamping part 100, the upper die continues to move upward, and the lower folding stripping block 303 starts to strip upward under the action of the lower folding spring 304 until the upper starting point of the punch.

[0028] The floating material guide assembly 70 includes a material guide pin 701, a material guide spring 702, and a bolt column 703; the material guide pin 701 is movably sleeved in the pin hole of the lower mold plate 6, the top of the material guide pin 701 passes through the top surface of the lower mold plate 6 upward, and the material guide groove 7011 on the upper part of the material guide pin 701 allows the material belt 200 to pass through, the lower end of the material guide pin 70 rests on the material guide spring 702, the material guide spring 702 is sleeved in the lower pad 7 and the lower mold base 8, the lower end of the material guide spring 702 rests on the stop screw 703, and the stop screw 703 is fixed to the lower mold base 8.

[0029] The working principle of this utility model:

[0030] The material strip 200 is fed into the mold and passes through the guide groove 7011 of the guide pin 701 in the floating guide assembly 70, and the two convex assemblies 9 complete the forming of the convex assemblies of the stamping part 100. Then the three-group cutting assembly 10 cuts the stamping part 100, and then the upper bending assembly 20 completes the upper bending of the stamping part 100, and then the lower bending assembly 30 completes the lower bending of the stamping part 100, and the blanking assembly cuts the stamping part 100 off the material strip 200.

[0031] The above description is only a preferred embodiment of the present invention, and therefore cannot be used to limit the scope of implementation of the present invention. That is, equivalent changes and modifications made according to the scope of the patent application of the present invention and the contents of the specification should still fall within the scope covered by the patent of the present invention.

Claims

1. A material-saving stamping progressive die, characterized in that: It includes an upper die base, an upper pad, an upper clamping plate, a stop plate, a stripping plate, a lower template, a lower pad, a lower die base, a lower pad, a lower supporting plate, two convex assemblies, a three-group cutting assembly, an upper bending assembly, a lower bending assembly, and a stripping spring; The lower template, the lower pad, the lower die base, the lower pad, and the lower support plate are fixed together in sequence, the stop plate and the stripping plate are fixed together and are located below the upper clamping plate, the lower template, the lower pad, and the lower die base are fixed together in sequence, the stripping spring is installed in the upper die base, the upper pad, and the upper clamping plate, and the two ends of the stripping spring are respectively against the upper die base and the stop plate, and the two convex hull components, the three-group cutting components, the upper bending component, and the lower bending component are sequentially installed on the upper clamping plate and the lower template according to the processing procedures; The convex assembly includes a convex punch and a convex die; the upper end of the convex punch is fixed on the stripping plate, the lower end of the convex punch extends to the top surface of the convex die, and the lower end of the convex die is fixed on the lower template; The slitting assembly comprises a slitting punch and a slitting die; the upper end of the slitting punch is fixed on the upper clamping plate, the lower end of the slitting punch passes through the stop plate and the stripper plate and then extends to the top surface of the slitting die, and the lower end of the slitting die is fixed on the lower template; The upper bending assembly comprises an upper folding punch, an upper folding die, an upper folding support plate, and an upper folding spring; the upper end of the upper folding punch is fixed on the upper clamping plate, the lower end of the upper folding punch passes through the stop plate and the stripping plate and then extends to the top surface of the upper folding die, the lower end of the upper folding die is fixed on the lower template, the upper folding support plate is movably sleeved in the upper folding die, the upper folding spring is installed in the lower pad and the lower die seat, the upper end of the upper folding spring is against the bottom surface of the upper folding support plate, and the lower end of the upper folding spring is against the lower die seat; The lower bending assembly includes a lower folding punch, a lower folding insert, two lower folding stripping blocks, two lower folding springs, and a reset rod; the lower end of the lower folding punch is fixed under the upper clamping plate, the lower end of the lower folding punch passes through the stop plate and the stripping plate and then extends to the lower folding insert, the upper end of the reset rod is fixed on the stripping plate, the lower end of the reset rod rests on the lower folding stripping block, the lower end of the lower folding insert is fixed on the lower pad, the two lower folding stripping blocks are respectively movably mounted in the lower die base, the two lower folding stripping blocks are respectively located on both sides of the lower folding insert and can move up and down along both sides of the lower folding insert to play a stripping role, and the two ends of the two lower folding springs respectively rest on the bottom surfaces of the two lower folding stripping blocks and the lower supporting plate.

2. The material-saving stamping progressive die according to claim 1, characterized in that: It also includes a floating material guide component; the floating material guide component includes a material guide pin, a material guide spring, and a bolt column; the material guide pin is movably sleeved in the pin hole of the lower template, the top of the material guide pin passes through the top surface of the lower template upward, and the material guide pin on the upper part of the material guide groove allows the material belt to pass through, the lower end of the material guide pin rests on the material guide spring, the material guide spring is sleeved in the lower pad and the lower mold base, the lower end of the material guide spring rests on the stop screw, and the stop screw is fixed to the lower mold base.

3. The material-saving stamping progressive die according to claim 1, characterized in that: It also includes a guide post and a guide sleeve; the upper end of the guide post is fixed on the upper clamping plate, the lower end of the guide post passes through the stop plate and the stripping plate and then movably sleeved in the guide sleeve, and the guide sleeve is fixed on the lower template.

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