CN216655885U - Punching die for inside and outside double bending of perforated metal plate - Google Patents

Abstract

The utility model discloses an inside and outside double-bending stamping die for a perforated metal plate, which adopts the technical scheme that the inside and outside double-bending stamping die comprises an upper die base, an upper backing plate, a stamping plate, a lower die plate, a lower backing plate and a lower die base from top to bottom; placing the product on a lower template during processing; the lower bolster includes the die that cushions, and it has the reservation passageway to open through spring coupling lower bolster and centre in the die bottom that cushions, and reservation passageway inside is equipped with the reservation mould, reserves the clearance between mould and the buffering mould, and the buffering mould both sides are equipped with the fixing base, and the clearance is left between fixing base and the reservation mould. The product to be processed is placed on the buffer die, the through hole in the middle of the product is located at the reserved die, the two sides of the product are located on the fixed seat, the buffer die is downwards stamped by the stamping plate during die assembly, the reserved die and the fixed seat are not moved, the inner side and the outer side of the product are upwards bent at one time, the structure is compact, the operation is simple, multiple stamping forming in the traditional processing is avoided, the cost can be saved, and the working efficiency is improved.

Description

Punching die for inside and outside double bending of perforated metal plate

Technical Field

The utility model relates to the field of stamping dies, in particular to an internal and external double-bending stamping die for a perforated metal plate.

Background

The stamping die is a special process equipment for processing metal or nonmetal materials into parts or semi-finished products in the stamping process, and is called as the stamping die. Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part. In the existing metal plate processing, the die can be divided into various dies such as punching, riveting, bending and the like according to process properties, wherein a bending die is one of the dies commonly used in the metal plate processing, and the part of the plate needing to be bent can be bent into a specified angle;

when the existing stamping mechanism faces a plate needing to be bent for multiple times, multiple dies are often opened and closed for multiple times, and especially when the inner end and the outer end of the plate with holes are required to be bent, the stamping mode needs to design multiple dies and consume a large amount of time. Therefore, there is a need for a new stamping die capable of simultaneously bending the inner and outer ends of a perforated plate, saving cost and time, and improving work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an inside and outside double-bending stamping die for a perforated metal plate, which has the advantages that the inside and outside ends of the perforated metal plate can be simultaneously bent, the cost and the time are saved, and the working efficiency is improved.

The technical purpose of the utility model is realized by the following technical scheme: a punching die with holes for internally and externally double bending of a metal plate comprises an upper die holder and a lower die holder positioned right below the upper die holder; a lower base plate is fixed on the lower die base, and a lower die plate is arranged on the lower base plate; an upper base plate is fixed at the bottom end of the upper die base, and a stamping plate is fixed at the bottom of the upper base plate; the lower template comprises a cushion die, the bottom of the cushion die is connected with the lower base plate through a spring, a reserved channel is formed in the middle of the cushion die, a reserved die is arranged in the reserved channel, a boss extends upwards from the upper end of the reserved die, a gap is reserved between the boss and the cushion die, and the upper surface of the boss is horizontal to the upper surface of the cushion die; fixing seats are arranged on two sides of the buffer die, a fixing table extends from the upper end of each fixing seat, the upper surface of each fixing table is horizontal to the upper surface of the buffer die, and a gap is reserved between each fixing table and the buffer die; and the bottom surface of the stamping plate is provided with a stamping groove embedded with the reserved die.

The product to be processed is placed on the buffer die, the through hole in the middle of the product is located at the reserved die, the two sides of the product are located on the fixed seat, the buffer die is downwards stamped by the stamping plate during die assembly, the reserved die and the fixed seat are fixed, the inner side and the outer side of the product are upwards bent at one time, the structure is compact, the operation is simple, multiple stamping forming in the traditional processing is avoided, the cost can be saved, and the working efficiency is improved.

The utility model is further provided that two ends of the buffer die are provided with guide blocks, one side of each guide block is movably embedded into the buffer die, and the upper surface of each guide block is higher than the buffer die.

The utility model is further configured such that the guide block is fixed to the lower bolster by a bolt.

The utility model is further set that the size of the stamping plate is equal to that of the buffer die, and guide grooves are formed in the positions, corresponding to the positions of the guide blocks, of the two ends of the stamping plate.

The guide block and the guide groove are arranged, so that the accuracy of opening and closing the die can be improved, the processing efficiency and the product quality are improved, the defective products are reduced, and the enterprise benefit is improved.

The utility model is further arranged in such a way that the lower backing plate is rectangular, the four corners of the upper surface of the lower backing plate are provided with limiting blocks, and limiting grooves are formed in the limiting blocks.

The utility model is further arranged in such a way that a positioning block is arranged at the position corresponding to the position of the limiting block on the upper padding plate, a positioning column is fixed on the positioning block, and the positioning column is embedded into the limiting groove during die assembly.

The setting of reference column and spacing groove further improves the degree of accuracy when buckling.

The utility model is further provided with a plurality of limiting plates which extend upwards from the fixed seat, and plates are positioned in the limiting plates during processing.

Through above-mentioned technical scheme, the limiting plate can prevent panel removal when adding man-hour, avoids the panel position inaccurate and causes the inaccuracy of angle of buckling and position.

In conclusion, the utility model has the following beneficial effects: the product to be processed is placed on the buffer die, the through hole in the middle of the product is located at the reserved die, the two sides of the product are located on the fixed seat, the buffer die is downwards stamped by the stamping plate during die assembly, the reserved die and the fixed seat are not moved, the inner side and the outer side of the product are upwards bent at one time, the structure is compact, the operation is simple, multiple stamping forming in the traditional processing is avoided, the cost can be saved, and the working efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of an inside-outside double-bending stamping die for a perforated metal plate according to the present embodiment;

fig. 2 is a schematic structural view of a stamping plate of the punching die for inward and outward double bending of a perforated metal plate according to the embodiment;

fig. 3 is a sectional view of the inside-outside double-bending press die for a perforated metal plate according to the present embodiment.

Reference numerals are as follows: 1. an upper die holder; 2. a lower die holder; 3. a lower base plate; 4. a lower template; 5. an upper base plate; 6. stamping a plate; 7. buffering the die; 8. reserving a mold; 9. a fixed seat; 10. a gap; 11. a spring; 12. a guide block; 13. a guide groove; 14. a limiting block; 15. a limiting groove; 16. positioning blocks; 17. a positioning column; 18. a limiting plate; 19. and (6) punching a groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1, an inside and outside double-bending stamping die for a perforated metal plate includes, from top to bottom, an upper die holder 1, an upper backing plate 5, a stamping plate 6, a lower die plate 4, a lower backing plate 3, and a lower die holder 2; the product is placed on the lower template 4 during processing. The lower backing plate 3 is fixed on the surface of the lower die base 2, and the lower template 4 is fixed on the surface of the lower backing plate 3; the upper backing plate 5 is fixed at the bottom end of the upper die holder 1, and the stamping plate 6 is fixed at the bottom of the upper backing plate 5;

referring to fig. 1-3, a buffer die 7 is arranged in the middle of a lower template 4, a spring 11 is connected to the bottom of the buffer die 7, a rectangular reserved channel matched with a product is formed in the middle of the buffer die 7, a rectangular reserved die 8 is arranged inside the reserved channel, a boss extends upwards from the upper end of the reserved die 8, a corresponding rectangular gap 10 is formed between the boss and the buffer die 7, and the upper surface of the boss is horizontal to the upper surface of the buffer die 7; fixing seats 9 are arranged on two sides of the cushion die 7, a fixing table extends from the upper end of each fixing seat 9, the upper surface of each fixing table is horizontal to the upper surface of the cushion die 7, and a gap 10 is reserved between each fixing table and the cushion die 7; the bottom surface of the stamping plate 6 is provided with a stamping groove 19 embedded with the reserved die 8, so that a product to be processed is placed on the buffer die 7 during processing, a through hole in the middle of the product is positioned at the reserved die 8, two sides of the product are positioned on the fixed seat 9, the stamping plate 6 stamps the buffer die 7 downwards during die assembly, the reserved die 8 and the fixed seat 9 are fixed, the inner side and the outer side of the product are bent upwards at one time, the structure is compact, and the operation is simple.

Referring to fig. 1 and 2, wherein, two ends of the cushion mold 7 are provided with guide blocks 12, one side of each guide block 12 is movably embedded in the cushion mold 7, and the upper surface of each guide block 12 is higher than the cushion mold 7; the guide block 12 is fixed on the lower backing plate 3 through a bolt; the size of the stamping plate 6 is equal to that of the buffer die 7, the guide grooves 13 are formed in the positions, corresponding to the positions of the guide blocks 12, of the two ends of the stamping plate 6, the guide blocks 12 are just half embedded into the guide grooves 13 during die assembly, the accuracy of die assembly can be improved due to the arrangement of the guide blocks 12 and the guide grooves 13, machining efficiency and product quality are improved, defective products are reduced, and enterprise benefits are improved.

Referring to fig. 1, wherein the lower bolster 3 is rectangular, the four corners of the upper surface of the lower bolster 3 are respectively fixed with a limiting block 14, a limiting groove 15 is formed inside the limiting block 14, a positioning block 16 is arranged at the position corresponding to the limiting block 14 of the upper bolster 5, a positioning column 17 is fixed on the positioning block 16, the positioning column 17 is embedded into the limiting groove 15 during die assembly, the positioning column 17 and the limiting groove 15 are arranged to further improve the accuracy during bending, the generation of defective products is reduced, and the cost is saved.

Referring to fig. 1, wherein, upwards extend on the fixing base 9 and have a limiting plate 18, in this embodiment, the limiting plate 18 just contacts with the edge of the plate, the plate is located in the limiting plate 18 during processing, the limiting plate 18 just fixes the product, the limiting plate 18 can prevent the plate from moving during processing, and the inaccuracy of the bending angle and the position caused by the inaccuracy of the plate position is avoided.

The use process of the inside and outside double-bending stamping die for the perforated metal plate in the embodiment is briefly described as follows: starting the punch press, erecting and debugging the die by an operator, and producing after confirming that no errors exist; put into the limiting plate 18 on the lower bolster 4 with the product in (deckle edge down), press the start button after confirming, 6 down punching press 6 materials of punching press board, punching press 6 will cushion 7 punching presses down of mould during the compound die, reserve mould 8 and fixing base 9 motionless, once only upwards buckle the inside and outside both sides of product, compact structure, easy operation has avoided many times stamping forming in traditional processing, can practice thrift the cost, can effectively improve work efficiency.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (7)

1. A punching die for internally and externally double bending of a perforated metal plate comprises an upper die holder (1) and a lower die holder (2) positioned right below the upper die holder (1); a lower backing plate (3) is fixed on the lower die base (2), and a lower template (4) is arranged on the lower backing plate (3); an upper base plate (5) is fixed at the bottom end of the upper die holder (1), and a stamping plate (6) is fixed at the bottom of the upper base plate (5); the stamping die is characterized in that the lower template (4) comprises a stamping die (7), the bottom of the stamping die (7) is connected with the lower base plate (3) through a spring (11), a reserved channel is formed in the middle of the stamping die, a reserved die (8) is arranged in the reserved channel, a boss extends upwards from the upper end of the reserved die (8), a gap (10) is reserved between the boss and the stamping die (7), and the upper surface of the boss is horizontal to the upper surface of the stamping die (7); fixing seats (9) are arranged on two sides of the cushion die (7), a fixing table extends from the upper end of each fixing seat (9), the upper surface of each fixing table is horizontal to the upper surface of the cushion die (7), and a gap (10) is reserved between each fixing table and the cushion die (7); the bottom surface of the stamping plate (6) is provided with a stamping groove (19) which is embedded with the reserved die (8).

2. The inside and outside double-bending stamping die for perforated metal sheets as claimed in claim 1, wherein two ends of the cushion die (7) are provided with guide blocks (12), one side of each guide block (12) is movably embedded into the cushion die (7), and the upper surface of each guide block (12) is higher than the cushion die (7).

3. The punching die for double inward and outward bending of perforated metal sheets as claimed in claim 2, wherein said guide block (12) is fixed to said lower back plate (3) by means of bolts.

4. The punching die for inward and outward double-bending of perforated metal sheets according to claim 2, wherein the size of the punching plate (6) is equal to that of the cushion die (7), and guide grooves (13) are formed in positions of two ends of the punching plate (6) corresponding to the positions of the guide blocks (12).

5. The punching die for inward and outward double bending of perforated metal sheets according to claim 1, wherein the lower backing plate (3) is rectangular, limiting blocks (14) are arranged at four corners of the upper surface of the lower backing plate (3), and limiting grooves (15) are formed in the limiting blocks (14).

6. The punching die for inward and outward double-bending of perforated metal sheets according to claim 5, wherein a positioning block (16) is arranged at a position of the upper padding plate (5) corresponding to the position of the limiting block (14), a positioning column (17) is fixed on the positioning block (16), and the positioning column (17) is embedded into the limiting groove (15) during die assembly.

7. The punching die for inward and outward double bending of perforated metal sheets according to claim 1, wherein a plurality of limiting plates (18) extend upward from the fixing base (9), and the sheets are located in the limiting plates (18) during processing.

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