CN215614245U - Material-saving efficient stamping die - Google Patents

Abstract

The utility model relates to a material-saving and efficient stamping die, which comprises: the device comprises an upper die assembly, a male die assembly for carrying out male die on a material belt, a female die assembly for carrying out female die on the material belt, a stamping assembly for pressing the male die assembly and the female die assembly together to realize the male die and the female die on the material belt, and a lower die assembly for supporting the male die assembly; the female die assembly is fixedly connected with the upper die assembly; the upper die assembly is fixedly connected with the stamping assembly; the lower die assembly is detachably connected with the male die assembly; this application has the punching press and bends efficiently, does not need die-cut appearance, save material's advantage.

Description

Material-saving efficient stamping die

Technical Field

The utility model relates to the field of stamping dies, in particular to a stamping die with material saving and high efficiency.

Background

When a novel radiating aluminum sheet is punched, the prior method firstly cuts the appearance of the product and then punches the product, so that a large amount of materials are required to be prepared, and waste is caused; if the method of simultaneously carrying out stamping and cutting is adopted, the existing die easily causes product deformation and also influences the precision of the die.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a material-saving efficient stamping die, which can solve the problems of product deformation and die damage during stamping and cutting, and can be bent once in a material-saving principle.

The technical purpose of the utility model is realized by the following technical scheme: a material-saving and efficient stamping die comprises: the device comprises an upper die assembly, a male die assembly for carrying out male die on a material belt, a female die assembly for carrying out female die on the material belt, a stamping assembly for pressing the male die assembly and the female die assembly together to realize the male die and the female die on the material belt, and a lower die assembly for supporting the male die assembly; the female die assembly is fixedly connected with the upper die assembly; the upper die assembly is fixedly connected with the stamping assembly; the lower die assembly is detachably connected with the male die assembly.

Optionally, the die assembly includes: the stamping die comprises a concave die plate, a concave die base plate, a first bending concave die and a second bending concave die which are provided with inclined planes and used for bending the material strip, a concave die fixing plate, a first stop block used for limiting the first bending concave die, a second stop block used for limiting the second bending concave die, a first reset screw used for resetting the first bending concave die after stamping is finished, and a second reset screw used for resetting the second bending concave die after stamping is finished; the top surface of the female die plate is fixedly connected with the bottom surface of the female die base plate; the bottom surface of the female die fixing plate is fixedly connected with the top surface of the female die base plate; the top surface of the female die fixing plate is fixedly connected with the upper die holder component; the first stop block is fixedly arranged at one end of the bottom surface of the female die fixing plate; the second stop block is fixedly arranged at the other end of the bottom surface of the female die fixing plate; the first reset screw penetrates through the first stop block and is fixedly connected with the first bending female die; the second reset screw penetrates through the second stop block and is fixedly connected with the second bending female die; the top surface of the first bending female die can slide on the bottom surface of the female die fixing plate; the inclined plane of the first bending female die is abutted against the lower die assembly; the top surface of the second bending female die can slide on the bottom surface of the female die fixing plate; and the inclined plane of the second bending female die is abutted to the lower die assembly.

Optionally, the die assembly further includes: a first rolling rod for rolling the material belt and a second rolling rod for rolling the material belt; the first rolling rod is rotatably arranged on the first bending female die; and the second rolling rod is rotatably arranged on the second bending female die.

Optionally, a first gap used for downward movement of the first reset screw during stamping is reserved between the first stop block and the first reset screw; a second gap used for enabling the second reset screw to move downwards in the stamping process is reserved between the second stop block and the second reset screw; elastic pieces are arranged on the first reset screw and the second reset screw; the first stop block is abutted against one end of an elastic piece on the first reset screw; the second stop block is abutted against one end of an elastic piece on the second reset screw.

Optionally, the male die assembly comprises: a lower base plate; one end of the lower backing plate is provided with a first limiting block with a first sliding groove; the other end of the lower backing plate is provided with a second limiting block with a second sliding chute; a convex template for supporting the material belt is fixedly arranged on the lower backing plate; a first male die sliding block is arranged on the first sliding groove in a sliding manner; a second male die sliding block is arranged on the second sliding groove in a sliding manner; one surface of the first male die sliding block is abutted with one surface of the male die plate; one surface of the second male die slide block is abutted with the other surface of the male die plate; the lower base plate is detachably connected with the lower die assembly; one surface of the first limiting block and one surface of the second limiting block are both abutted to the lower die assembly; the top surface of the first limiting block can be abutted against the bottom surface of the first bending female die; the top surface of the second limiting block can be abutted against the bottom surface of the second bending female die.

Optionally, the lower mold assembly includes: a foot pad; the foot pad is detachably provided with a lower die base; one end of the lower die base is provided with a first limiting plate; the other end of the lower die base is provided with a second limiting plate; the lower die holder is also fixedly provided with a first inclined wedge and a second inclined wedge; one surface of the first inclined wedge is abutted with the first limiting plate; the other surface of the first inclined wedge is abutted against one surface of the first limiting block; one surface of the second inclined wedge is abutted with the second limiting plate; the other surface of the second inclined wedge is abutted against one surface of the second limiting block; the inclined plane of the first inclined wedge can be abutted against the inclined plane of the first bending female die; the inclined surface of the second inclined wedge can be abutted against the inclined surface of the second bending female die; the lower backing plate is detachably connected with the lower die base.

Optionally, the lower die holder further includes: a first slide block thimble used for supporting the first male die slide block and a second slide block thimble used for supporting the second male die slide block; the first sliding block ejector pin and the second sliding block ejector pin are both arranged in the lower die holder; the needle head of the first sliding block thimble penetrates through the lower base plate and then is abutted against the first male die sliding block; and the needle head of the second slide block thimble penetrates through the lower base plate and then is abutted against the second male die slide block.

Optionally, the upper die holder assembly includes: an upper base plate and an upper die holder; the bottom surface of the upper backing plate is fixedly connected with the top surface of the female die fixing plate; the top surface of the upper backing plate is fixedly connected with the bottom surface of the upper die base; the top surface of the upper die base is fixedly connected with the stamping assembly.

Optionally, the method further includes: the buffer spring is used for protecting the female die assembly during stamping; through holes for placing buffer springs are further formed in the upper backing plate and the female die fixing plate; one end of the buffer spring is abutted against the bottom surface of the upper die base; the other end of the buffer spring is abutted against the top surface of the concave die plate.

In conclusion, the utility model has the following beneficial effects: the punching and bending efficiency is high, the appearance does not need to be punched, and the material is saved.

Drawings

FIG. 1 is a schematic view of the mold open of the present invention;

FIG. 2 is a schematic of the clamp of the present invention;

fig. 3 is a partial schematic view of the present invention.

In the figure: 1. an upper die assembly; 2. a female die assembly; 3. a male die assembly; 4. a lower die assembly; 5. a stamping assembly; 6. a material belt; 11. an upper base plate; 12. an upper die holder; 13. a buffer spring; 21. a cavity plate; 22. a die base plate; 23. a first bending female die; 24. a second bending female die; 25. fixing a female die plate; 26. a first stop block; 27. a second stop block; 28. a first reduction screw; 29. a second reduction screw; 31. a lower base plate; 32. a first stopper; 33. a second limiting block; 34. a convex template; 35. a first male die slide block; 36. a second male die slide block; 41. a foot pad; 42. a lower die holder; 43. a first limit plate; 44. a second limiting plate; 45. a first slanting wedge; 46. a second slanting wedge; 47. a first slider thimble; 48. a second slider thimble; 131. a through hole; 281. a first roller; 291. a second roller; 282. an elastic member; 321. a first chute; 331. a second runner.

Detailed Description

In order to make the objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the utility model are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, configuration, and operation, and therefore should not be construed as limiting the present invention.

The utility model is described in detail below with reference to the figures and examples.

Referring to fig. 1-3, the present invention provides a method comprising: the device comprises an upper die component 1, a male die component 3 for carrying out male die on a material belt 6, a female die component 2 for carrying out female die on the material belt 6, a stamping component 5 for pressing the male die component 3 and the female die component 2 together to realize male die and female die on the material belt 6, and a lower die component 4 for supporting the male die component 3; the female die assembly 2 is fixedly connected with the upper die assembly 1; the upper die assembly 1 is fixedly connected with the stamping assembly 5; the lower die assembly 4 is detachably connected with the male die assembly 3.

Particularly, lower mould subassembly 4 bearing terrace die component 3, material area 6 places on terrace die component 3, and punching press subassembly 5 moves down, drives mould subassembly 1 and die subassembly 2 and moves down in the lump, carries out the processing of terrace die and die to material area 6, and after the punching press was accomplished, punching press subassembly 5 drives mould subassembly 1 and die subassembly 2 together rebound, promotes material area 6 and removes, carries out the work of next station.

Further, the die assembly 2 includes: the stamping die comprises a die plate 21 for pressing the material belt 6, a die cushion plate 22, a first bending die 23 and a second bending die 24 which are provided with inclined planes and used for bending the material belt 6, a die fixing plate 25, a first stop block 26 for limiting the first bending die 23, a second stop block 27 for limiting the second bending die 24, a first reset screw 28 for resetting the first bending die 23 after stamping is finished, and a second reset screw 29 for resetting the second bending die 24 after stamping is finished; the top surface of the concave template 21 is fixedly connected with the bottom surface of the concave die backing plate 22; the bottom surface of the female die fixing plate 25 is fixedly connected with the top surface of the female die backing plate 22; the top surface of the female die fixing plate 25 is fixedly connected with the upper die base 12 assembly; the first stop block 26 is fixedly arranged at one end of the bottom surface of the female die fixing plate 25; the second stop block 27 is fixedly arranged at the other end of the bottom surface of the female die fixing plate 25; the first reset screw 28 penetrates through the first stop block 26 and then is fixedly connected with the first bending female die 23; the second reset screw 29 penetrates through the second stop block 27 and then is fixedly connected with the second bending female die 24; the top surface of the first bending female die 23 can slide on the bottom surface of the female die fixing plate 25; the inclined plane of the first bending female die 23 is abutted against the lower die assembly 4; the top surface of the second bending female die 24 can slide on the bottom surface of the female die fixing plate 25; the inclined surface of the second bending female die 24 is abutted against the lower die assembly 4.

Specifically, before stamping, the first bending female die 23 can slide relative to the first stop block 26 through the first reset screw 28, and the first stop block 26 is used for limiting the first bending female die 23 and preventing the first bending female die 23 from separating from the die; the second bending female die 24 is also provided with the same arrangement; in the stamping process, the die board 21 compresses tightly material area 6 on terrace die component 3, and stamping assembly 5 drives mould component 1 punching press downwards, goes up mould component 1 and drives the punching press of die component 2 downwards, bends downwards through first die 23 of bending and inwards caves in to the one end in material area 6, bends downwards through second die 24 of bending and inwards caves in to the other end in material area 6, just can accomplish a punching press to material area 6.

Further, the die assembly 2 further comprises: a first rolling bar 281 for rolling the strip of material 6 and a second rolling bar 291 for rolling the strip of material 6; the first rolling rod 281 is rotatably arranged on the first bending female die 23; the second roller 291 is rotatably disposed on the second bending die 24.

Specifically, the first roller 281 is rotatably disposed at a bottom corner of the first bending die 23 close to the second bending die 24, the second roller 291 is rotatably disposed at a bottom corner of the second bending die 24 close to the first bending die 23, during the punching process, the first roller 281 and the second roller 291 contact the material belt 6 first, so as to bend the material belt 6, the first roller 281 and the second roller 291 also reduce friction between the first bending die 23 and the second bending die 24 and the material belt 6, and the protection of the material belt 6 is facilitated.

Further, a first gap for downward movement of the first reset screw 28 during punching is reserved between the first stop block 26 and the first reset screw 28; a second gap used for downward movement of the second reset screw 29 during stamping is reserved between the second stop block 27 and the second reset screw 29; the first and second reset screws 28 and 29 are both provided with an elastic member 282; the first stop block 26 abuts against one end of the elastic member 282 on the first reset screw 29; the second stop block 27 abuts against one end of the elastic member 282 on the second return screw 29.

Specifically, when the first bending die 23 is pressed, the first bending die abuts against the male die assembly 3, and the first bending die slides in a direction close to the second bending die 24; when the second bending female die 24 is stamped, the second bending female die can be abutted against the male die assembly 3 to slide in the direction close to the first bending female die 23; after the punching is finished, the first bending female die 23 will move away from the second bending female die 24 under the action of the elastic part 282 on the first reset screw 28, and then return to the position before punching; the second bending die 24 will move away from the first bending die 23 under the action of the elastic member 282 on the second reset screw 29, and return to the position before punching.

Further, the male die assembly 3 includes: a lower pad plate 31; one end of the lower backing plate 31 is provided with a first limiting block 32 with a first sliding groove 321; the other end of the lower backing plate 31 is provided with a second limiting block 33 with a second sliding groove 331; a convex template 34 for supporting the material belt 6 is fixedly arranged on the lower backing plate 31; the first sliding chute 321 is provided with a first male die sliding block 35 in a sliding manner; a second male die sliding block 36 is arranged on the second sliding chute 331 in a sliding manner; one surface of the first male die slide block 35 is abutted against one surface of the male die plate 34; one surface of the second punch slide 36 abuts against the other surface of the punch plate 34; the lower backing plate 31 is detachably connected with the lower die assembly 4; one surface of the first limiting block 32 and one surface of the second limiting block 33 are both abutted against the lower die assembly 4; the top surface of the first limiting block 32 can be abutted against the bottom surface of the first bending female die 23; the top surface of the second limiting block 33 can abut against the bottom surface of the second bending female die 24.

Specifically, before stamping, the strip of material 6 is placed on the punch plate 34, the first punch slide 35 and the second punch slide 36; during the stamping process, the male die plate 34, the first male die slide block 35 and the second male die slide block 36 can punch the strip 6 upwards, because of the stamping acting force, the first male die slide block 35 slides and moves downwards on the first sliding groove 321, and the second male die slide block 36 slides and moves downwards on the second sliding groove 331; after the stamping is finished, the lower die assembly 4 can push the first male die slide block 35 to slide up on the first sliding groove 321, and the second male die slide block 36 in the lower die assembly 4 can slide up on the second sliding groove 331 to separate the male die plate 34 from the material belt 6, so that the material belt 6 can be conveniently pushed to the next station.

Further, the lower die assembly 4 includes: a foot pad 41; the lower die holder 42 is detachably arranged on the foot pad 41; one end of the lower die holder 42 is provided with a first limit plate 43; the other end of the lower die holder 42 is provided with a second limit plate 44; the lower die holder 42 is also fixedly provided with a first inclined wedge 45 and a second inclined wedge 46; one surface of the first inclined wedge 45 is abutted with the first limit plate 43; the other surface of the first inclined wedge 45 is abutted against one surface of the first limiting block 32; one surface of the second inclined wedge 46 is abutted with the second limit plate 44; the other surface of the second inclined wedge 46 is abutted against one surface of the second limiting block 33; the inclined surface of the first inclined wedge 45 can be abutted against the inclined surface of the first bending female die 23; the inclined surface of the second inclined wedge 46 can abut against the inclined surface of the second bending female die 24; the lower backing plate 31 is detachably connected with the lower die base 42.

Specifically, before stamping, the male die assembly 3 is arranged between the first wedge 45 and the second wedge 46; in the stamping process, the inclined surface of the first inclined wedge 45 is abutted against the inclined surface of the first bending female die 23, and the first bending female die 23 is pushed to move towards the direction close to the second bending female die 24, so that one end of the material belt 6 can be bent downwards and inwards sunken; the inclined plane of the second inclined wedge 46 abuts against the inclined plane of the second bending female die 24, the second bending female die 24 is pushed to move towards the direction close to the first bending female die 23, and then the other end of the material belt 6 can be bent downwards and inwards sunken.

Further, the lower die base 42 further includes: a first-block ejector pin 47 for supporting the first punch block 35 and a second-block ejector pin 48 for supporting the second punch block 36; the first slide block thimble 47 and the second slide block thimble 48 are both arranged in the lower die holder 42; the needle head of the first slide block thimble 47 penetrates through the lower backing plate 31 and then abuts against the first male die slide block 35; the needle head of the second slide block thimble 47 penetrates through the lower backing plate 31 and then abuts against the second punch slide block 36.

Specifically, springs are arranged in the first slider thimble 47 and the second slider thimble 48, and can push the first punch slider 35 to slide on the first slide groove 321 and push the second punch slider 36 to slide on the first slide groove 331; the first slide block thimble 47 always has upward thrust on the first male mold slide block 35, so that the first male mold slide block 35 can be helped to reset after the punching is finished; the second slide thimble 48 always has an upward thrust on the first punch slide 36, which can help the second punch slide 36 to reset after the punching is finished.

Preferably, in the present embodiment, a first slider thimble 47 and a second slider thimble 48 are provided; in other embodiments, the number of slider thimbles can be three, four, five, etc.

Further, the upper die holder 12 assembly includes: an upper shim plate 11 and an upper die base 12; the bottom surface of the upper backing plate 11 is fixedly connected with the top surface of the female die fixing plate 25; the top surface of the upper cushion plate 11 is fixedly connected with the bottom surface of the upper die base 12; the top surface of the upper die holder 12 is fixedly connected with the stamping component 5.

Further, the stamping die further comprises: a buffer spring 13 for protecting the die assembly during stamping; the upper backing plate 11 and the female die fixing plate 25 are also provided with through holes 131 for placing the buffer springs 13; one end of the buffer spring 13 is abutted against the bottom surface of the upper die base 12; the other end of the buffer spring 13 abuts against the top surface of the cavity plate 21.

Specifically, the provision of the buffer spring 13 can protect the press die during the pressing process.

In the particular embodiment, prior to stamping, the strip of material 6 is placed on the punch plate 34, the first punch slide 35 and the second punch slide 36; in the stamping process, the female die plate 21 presses the material belt 6 on the male die plate 34, the first male die slide block 35 and the second male die slide block 36, the stamping assembly 5 drives the upper die assembly 1 to stamp downwards, the upper die assembly 1 drives the female die assembly 2 to stamp downwards, one end of the material belt 6 is bent downwards and sunken inwards through the first bending female die 23, and the other end of the material belt 6 is bent downwards and sunken inwards through the second bending female die 24; the male die plate 34, the first male die slide block 35 and the second male die slide block 36 can punch the material belt 6 upwards, and due to the stamping action force, the first male die slide block 35 slides and moves downwards on the first sliding groove 321, and the second male die slide block 36 slides and moves downwards on the second sliding groove 331; after the punching is finished, the punching component 5 moves upwards to drive the upper die component 1 to move upwards, and the first bending female die 23 moves away from the second bending female die 24 under the action of the elastic part 282 on the first reset screw 28 and returns to the position where the first bending female die is located before the punching; the second bending female die 24 will move away from the first bending female die 23 under the action of the elastic member 282 on the second reset screw 29, and then return to the position before punching; the first slider thimble 47 in the lower die assembly 4 can push the first male die slider 35 to slide up on the first chute 321, and the second slider thimble 48 in the lower die assembly 4 can push the second male die slider 36 to slide up on the second chute 331, so as to separate the male die plate 34 from the material belt 6, thereby facilitating the material belt 6 to be pushed to the next station, and then performing the next stamping.

In conclusion, the utility model has the advantages of high stamping and bending efficiency, no need of punching the shape and material saving.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (9)

1. The utility model provides a economize material efficient stamping die which characterized in that includes: the device comprises an upper die assembly, a male die assembly for carrying out male die on a material belt, a female die assembly for carrying out female die on the material belt, a stamping assembly for pressing the male die assembly and the female die assembly together to realize the male die and the female die on the material belt, and a lower die assembly for supporting the male die assembly; the female die assembly is fixedly connected with the upper die assembly; the upper die assembly is fixedly connected with the stamping assembly; the lower die assembly is detachably connected with the male die assembly.

2. The material-saving and efficient stamping die as claimed in claim 1, wherein the die assembly comprises: the stamping die comprises a concave die plate, a concave die base plate, a first bending concave die and a second bending concave die which are provided with inclined planes and used for bending the material strip, a concave die fixing plate, a first stop block used for limiting the first bending concave die, a second stop block used for limiting the second bending concave die, a first reset screw used for resetting the first bending concave die after stamping is finished, and a second reset screw used for resetting the second bending concave die after stamping is finished; the top surface of the female die plate is fixedly connected with the bottom surface of the female die base plate; the bottom surface of the female die fixing plate is fixedly connected with the top surface of the female die base plate; the top surface of the female die fixing plate is fixedly connected with the upper die holder component; the first stop block is fixedly arranged at one end of the bottom surface of the female die fixing plate; the second stop block is fixedly arranged at the other end of the bottom surface of the female die fixing plate; the first reset screw penetrates through the first stop block and is fixedly connected with the first bending female die; the second reset screw penetrates through the second stop block and is fixedly connected with the second bending female die; the top surface of the first bending female die can slide on the bottom surface of the female die fixing plate; the inclined plane of the first bending female die is abutted against the lower die assembly; the top surface of the second bending female die can slide on the bottom surface of the female die fixing plate; and the inclined plane of the second bending female die is abutted to the lower die assembly.

3. The material saving and efficient stamping die according to claim 2, wherein the die assembly further comprises: a first rolling rod for rolling the material belt and a second rolling rod for rolling the material belt; the first rolling rod is rotatably arranged on the first bending female die; and the second rolling rod is rotatably arranged on the second bending female die.

4. The material-saving and efficient stamping die as claimed in claim 3, wherein a first gap for downward movement of the first reset screw during stamping is left between the first stop block and the first reset screw; a second gap used for enabling the second reset screw to move downwards in the stamping process is reserved between the second stop block and the second reset screw; elastic pieces are arranged on the first reset screw and the second reset screw; the first stop block is abutted against one end of an elastic piece on the first reset screw; the second stop block is abutted against one end of an elastic piece on the second reset screw.

5. The material-saving and efficient stamping die as recited in claim 4, wherein the male die assembly comprises: a lower base plate; one end of the lower backing plate is provided with a first limiting block with a first sliding groove; the other end of the lower backing plate is provided with a second limiting block with a second sliding chute; a convex template for supporting the material belt is fixedly arranged on the lower backing plate; a first male die sliding block is arranged on the first sliding groove in a sliding manner; a second male die sliding block is arranged on the second sliding groove in a sliding manner; one surface of the first male die sliding block is abutted with one surface of the male die plate; one surface of the second male die slide block is abutted with the other surface of the male die plate; the lower base plate is detachably connected with the lower die assembly; one surface of the first limiting block and one surface of the second limiting block are both abutted to the lower die assembly; the top surface of the first limiting block can be abutted against the bottom surface of the first bending female die; the top surface of the second limiting block can be abutted against the bottom surface of the second bending female die.

6. The material saving and efficient stamping die according to claim 5, wherein the lower die assembly comprises: a foot pad; the foot pad is detachably provided with a lower die base; one end of the lower die base is provided with a first limiting plate; the other end of the lower die base is provided with a second limiting plate; the lower die holder is also fixedly provided with a first inclined wedge and a second inclined wedge; one surface of the first inclined wedge is abutted with the first limiting plate; the other surface of the first inclined wedge is abutted against one surface of the first limiting block; one surface of the second inclined wedge is abutted with the second limiting plate; the other surface of the second inclined wedge is abutted against one surface of the second limiting block; the inclined plane of the first inclined wedge can be abutted against the inclined plane of the first bending female die; the inclined surface of the second inclined wedge can be abutted against the inclined surface of the second bending female die; the lower backing plate is detachably connected with the lower die base.

7. The material-saving and efficient stamping die as recited in claim 6, wherein the lower die holder further comprises: a first slide block thimble used for supporting the first male die slide block and a second slide block thimble used for supporting the second male die slide block; the first sliding block ejector pin and the second sliding block ejector pin are both arranged in the lower die holder; the needle head of the first sliding block thimble penetrates through the lower base plate and then is abutted against the first male die sliding block; and the needle head of the second slide block thimble penetrates through the lower base plate and then is abutted against the second male die slide block.

8. The material saving and efficient stamping die of claim 7, wherein the upper die holder assembly comprises: an upper base plate and an upper die holder; the bottom surface of the upper backing plate is fixedly connected with the top surface of the female die fixing plate; the top surface of the upper backing plate is fixedly connected with the bottom surface of the upper die base; the top surface of the upper die base is fixedly connected with the stamping assembly.

9. The material saving and efficient stamping die according to claim 8, further comprising: the buffer spring is used for protecting the female die assembly during stamping; through holes for placing buffer springs are further formed in the upper backing plate and the female die fixing plate; one end of the buffer spring is abutted against the bottom surface of the upper die base; the other end of the buffer spring is abutted against the top surface of the concave die plate.

Images