CN215315100U

CN215315100U - Punching, flanging, shaping and blanking integrated combined die

Info

Publication number: CN215315100U
Application number: CN202022630685.1U
Authority: CN
Inventors: 金人创; 巴春红; 周法辉; 王文祥
Original assignee: Yunnan Jiutai Construction Technology Co Ltd
Current assignee: Yunnan Jiutai Construction Technology Co Ltd
Priority date: 2020-11-14
Filing date: 2020-11-14
Publication date: 2021-12-28
Anticipated expiration: 2030-11-14

Abstract

The utility model discloses a punching, flanging, shaping and blanking integrated combined die which comprises an upper punching die and a lower punching die matched with the upper punching die, wherein the upper punching die comprises an upper die mounting plate and an upper male die, the upper punching die comprises an upper die base, a punching punch and a blanking punch, the upper die base is connected with the upper die mounting plate, the bottom of the blanking punch is connected with the upper die base, the punching punch protrudes out of the lower end of the blanking punch, and a concave flanging receding groove is formed in the connecting part of the blanking punch and the upper die base; the lower punching die comprises a lower die mounting plate and a lower female die, the lower female die comprises a lower die base, a blanking hole and a flanging male die, the lower die base is connected with the lower die mounting plate, the flanging male die protrudes out of the top end of the lower die base, the blanking hole matched with a blanking punch is formed in the flanging male die, and the outer edge of the flanging male die is smaller than the outer wall of the flanging yielding groove. The utility model can complete the work of punching, blanking, flanging and shaping of the workpiece at one time, can obviously improve the production efficiency, has high alignment precision and low pressure requirement of blanking equipment, and can obviously reduce the production cost.

Description

Punching, flanging, shaping and blanking integrated combined die

Technical Field

The utility model relates to the technical field of sheet metal equipment, in particular to a punching, flanging, shaping and blanking integrated combined die which is simple and reliable in structure, high in alignment precision and capable of remarkably improving production efficiency.

Background

The light steel structure adopts high-efficiency light thin-wall sections, so that the self weight is light, the strength is high, the occupied area is small, the components can be automatically, continuously and precisely produced, and the sizes of all the parts are accurate; in addition, the light steel structure building can be designed, manufactured and installed synchronously with small time difference, the building speed is high, the water heating electric pipelines can be hidden in the wall body and between floors, the arrangement is flexible, the modification is convenient, the light steel structure building can be moved, the materials can be completely recycled, and the sustainable development strategy is met. Therefore, the light steel structure is widely applied to the fields of industry, agriculture, commerce and service buildings, such as office buildings, villas, warehouses, stadiums, entertainment, tourist buildings, low-rise and multi-rise residential buildings and the like.

Various section steels are widely adopted as structural members in light steel structures, but in order to reduce weight and facilitate connection, various through holes or various flanging holes are often required to be formed in the light steel structural members, and particularly for the structural members in civil buildings such as light steel villas, various rolled thin-wall section bars are generally flanged by adopting the processes of punching, flanging and shaping, and the like, and the tails after punching and blanking are required to be processed into connecting accessories in the modes of punching, bending and the like. The flanging of the thin-wall section can be completed through three processes, so that at least three punching machines and three sets of dies are needed to realize the flanging, and if the continuous production of the material belt is adopted, three sets of independent pressure equipment and corresponding dies are also needed, so that the production period is long, the efficiency is low, the cost is high, three independent positioning processes are needed, the alignment precision is difficult to guarantee, the edge of a flanging hole is easy to collapse, the height of the flanging hole is uneven, and the quality of a final product is influenced. In addition, as the blanked tailings are subjected to the working procedures of punching, bending and the like, the working procedures are more, the production cost is higher, the cost of the light steel structural member is higher and the qualification rate is lower, and the development of the light steel structural building is severely restricted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide the punching, flanging, shaping and blanking integrated combined die which is simple and reliable in structure, high in alignment precision and capable of remarkably improving the production efficiency.

The utility model is realized by the following steps: the blanking punch comprises an upper punching die and a lower punching die matched with the upper punching die, wherein the upper punching die comprises an upper die mounting plate and an upper male die, the upper punching die comprises an upper die base, a punching punch and a blanking punch, the upper die base is fixedly connected with the upper die mounting plate, the bottom of the blanking punch is fixedly connected with the upper die base, the punching punch is arranged and protrudes out of the lower end of the blanking punch, and a concave flanging receding groove is formed in the connecting part of the blanking punch and the upper die base; the lower punching die comprises a lower die mounting plate and a lower female die, the lower female die comprises a lower die base, a blanking hole and a flanging male die, the lower die base is fixedly connected with the lower die mounting plate, the flanging male die is arranged and protrudes out of the top end of the lower die base, the blanking hole matched with a blanking punch is formed in the flanging male die, and the outer edge of the flanging male die is smaller than the outer side wall of a flanging receding groove.

The utility model has the beneficial effects that: the utility model not only can reduce the pressure tonnage requirement of the blanking device by integrating the punching punch, the blanking punch and the flanging relief groove on the upper punch, matching with the blanking hole and the flanging punch of the lower punch and by the staggered height difference structure of the upper and lower dies, but also can complete the punching of the blanking piece by the punching punch, then complete the blanking, namely the flanging pre-punching by the matching of the blanking punch and the blanking hole, and finally complete the flanging and shaping by the matching of the flanging punch and the flanging relief groove, namely complete the punching, the flanging pre-punching, the flanging and the shaping of the blanking piece in turn in the same stroke of a pair of dies, thereby obviously improving the production efficiency, saving pressure equipment and dies, effectively reducing the production cost, and completing the traditional multiple processes in turn by one-time positioning, having higher alignment precision, obviously reducing the hole edge collapse during the punching and flanging pre-punching by the pulling force generated by the auxiliary punching press plate on the thin-wall section, then, the uneven problem caused by edge collapse can be eliminated by shaping the die by die clamping pressure when the flanging is matched, so that the product quality can be effectively ensured. Therefore, the utility model has the characteristics of simple and reliable structure, high alignment precision and capability of obviously improving the production efficiency.

Drawings

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

FIG. 2 is an enlarged view of the upper punch of FIG. 1;

FIG. 3 is an enlarged view of the lower die of FIG. 1;

FIG. 4 is a schematic structural view of a thin-walled profile after stamping in accordance with the present invention;

FIG. 5 is an enlarged cross-sectional view of FIG. 4;

FIG. 6 is a schematic view of the structure of the connection accessory after stamping and blanking in accordance with the present invention;

in the figure: 1-upper die mounting plate, 2-upper male die, 2A-upper die base, 2A 1-mounting hole, 2A 2-positioning through hole, 2B-punching punch, 2C-blanking punch, 2C 1-positioning groove, 2D-flanging receding groove, 3-lower die mounting plate, 4-lower female die, 4A-lower die base, 4B-blanking hole, 4C-flanging male die, 4C 1-supporting platform, 5-die closing guide post, 6-guide hole, 7-stud, 8-pressure plate, 9-connecting rod and 10-compression spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1, 2 and 3, the utility model comprises an upper punch die and a lower punch die matched with the upper punch die, wherein the upper punch die comprises an upper die mounting plate 1 and an upper punch die 2, the upper punch die 2 comprises an upper die holder 2A, a punching punch 2B and a blanking punch 2C, the upper die holder 2A is fixedly connected with the upper die mounting plate 1, the bottom of the blanking punch 2C is fixedly connected with the upper die holder 2A, the punching punch 2B is arranged and protrudes out of the lower end of the blanking punch 2C, and a connecting part of the blanking punch 2C and the upper die holder 2A is provided with an inwards concave flanging relief groove 2D; the lower punching die comprises a lower die mounting plate 3 and a lower punching die 4, the lower punching die 4 comprises a lower die seat 4A, a blanking hole 4B and a flanging male die 4C, the lower die seat 4A is fixedly connected with the lower die mounting plate 3, the flanging male die 4C is arranged and protrudes from the top end of the lower die seat 4A, the flanging male die 4C is internally provided with the blanking hole 4B matched with a blanking punch 2C, and the outer edge of the flanging male die 4C is smaller than the outer side wall of a flanging receding groove 2D.

The upper die mounting plate 1 is provided with at least two die closing guide pillars 5, and the lower die mounting plate 3 is provided with a guide pillar bracket or a guide hole 6 matched with the die closing guide pillars 5.

The middle part of the upper die holder 2A is provided with a vertical mounting hole 2A1, and the blanking punch 2C is embedded in the mounting hole 2A 1.

The side wall of the upper die holder 2A is provided with a positioning through hole or a positioning screw hole 2A2 which is communicated with the mounting hole 2A1 and vertical to the mounting hole, the side wall of the blanking punch 2C is provided with a positioning groove 2C1, and the blanking punch 2C is matched with the positioning groove 2C1 through a positioning pin penetrating through the positioning through hole or a stud 7 of the positioning screw hole 2A2 to realize the fixation in the vertical direction.

The positioning groove 2C1 is a V-shaped groove or a conical groove.

The lower end vertical section of the blanking punch 2C is of a V-shaped structure, and a blanking cutting edge I is arranged at the edge.

The lower end of the punching punch 2B protrudes out of the lower end of the blanking punch 2C by 1-3 mm.

The top end of the flanging male die 4C is provided with a supporting platform 4C1, and the supporting platform 4C1 is provided with a blanking cutting edge II at the edge of the blanking hole 4B.

The blanking punch device also comprises a pressure plate 8 arranged between the upper male die 2 and the lower female die 4, a guide through hole capable of penetrating through the blanking punch 2C is arranged on the pressure plate 7, and the pressure plate 8 is connected through a connecting rod 9 capable of penetrating through the upper die mounting plate 1 in a sliding manner and a compression spring 10 arranged on the connecting rod.

The flanging receding groove 2D is internally provided with a flanging profiling cavity, and the outer edge of the flanging male die 4C is provided with a flanging lug matched with the flanging profiling cavity of the flanging receding groove 2D.

The working principle of the utility model is as follows:

as shown in fig. 1 to 6, during operation, the thin-walled profile is fed in place, the punch or the oil cylinder pushes the upper male die 2 to move downwards under the guidance of the die assembly guide post 5, so that the pressure plate 8 locks the thin-walled profile at the top end of the lower female die 4 under the action of the compression spring 10, the punching punch 2B at the lowest end of the upper male die 2 firstly punches a hole at the position of the pre-blanking part of the thin-walled profile, and the punched material head falls from the blanking hole 4B; then the upper male die 2 continuously moves downwards, a blanking punch 2C blanks on the thin-wall section, and the punched blanking piece falls through a blanking hole 4B and simultaneously completes pre-flanging and punching; the upper male die 2 continuously moves downwards, and the thin-walled profile punches the pre-flanging to be extruded to form the flanging under the matching of the flanging receding groove 2D and the flanging male die 4C; meanwhile, when the upper punch 2 completes the maximum formation of downward movement, the bottom surface of the pressure plate 8 is matched with the top surface of the lower die holder 4A and the flanging receding groove 2D and the flanging punch 4C to shape the flanging cambered surface and the end surface of the profile, so that the problem of uneven height caused by collapse during punching and blanking is solved. After flanging is completed, the stroke of the punch or the oil cylinder is reversed, the upper punch 2 is pulled back to the initial position, the pressure plate 8 moves upwards to drive the compression spring 10 to return and move upwards along with the compression spring, the locking of the thin-wall section is released, the flanging of the thin-wall section is completed, the next process flow is completed, and the upper punch 2 waits for entering the next working cycle.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A punching, flanging, shaping and blanking integrated combined die comprises an upper punching die and a lower punching die matched with the upper punching die, and is characterized in that the upper punching die comprises an upper die mounting plate (1) and an upper punching die (2), the upper punching die (2) comprises an upper die base (2A), a punching punch (2B) and a blanking punch (2C), the upper die base (2A) is fixedly connected with the upper die mounting plate (1), the bottom of the blanking punch (2C) is fixedly connected with the upper die base (2A), the punching punch (2B) is arranged and protrudes out of the lower end of the blanking punch (2C), and a concave flanging receding groove (2D) is formed in the connecting part of the blanking punch (2C) and the upper die base (2A); the lower punching die comprises a lower die mounting plate (3) and a lower female die (4), the lower female die (4) comprises a lower die holder (4A), a blanking hole (4B) and a flanging male die (4C), the lower die holder (4A) is fixedly connected with the lower die mounting plate (3), the flanging male die (4C) is arranged and protrudes out of the top end of the lower die holder (4A), the flanging male die (4C) is internally provided with the blanking hole (4B) matched with a blanking punch (2C), and the outer edge of the flanging male die (4C) is smaller than the outer side wall of a flanging receding groove (2D).

2. The punching, flanging, shaping and blanking integrated combined die is characterized in that at least two die closing guide pillars (5) are arranged on the upper die mounting plate (1), and a guide pillar bracket or a guide hole (6) matched with the die closing guide pillars (5) is arranged on the lower die mounting plate (3).

3. The punching, flanging, shaping and blanking integrated combined die is characterized in that a vertical mounting hole (2A 1) is formed in the middle of the upper die base (2A), and the blanking punch (2C) is embedded in the mounting hole (2A 1).

4. The punching, flanging, shaping and blanking integrated combined die is characterized in that the side wall of the upper die holder (2A) is provided with a positioning through hole or a positioning screw hole (2A 2) which is communicated with the mounting hole (2A 1) and is vertical to the mounting hole, the side wall of the blanking punch (2C) is provided with a positioning groove (2C 1), and the blanking punch (2C) is matched with the positioning groove (2C 1) through a stud (7) of the positioning pin or the positioning screw hole (2A 2) which penetrates through the positioning through hole so as to realize vertical fixing.

5. The punching, flanging, shaping and blanking integrated combined die is characterized in that the positioning groove (2C 1) is a V-shaped groove or a conical groove.

6. The punching, flanging, shaping and blanking integrated combined die as claimed in any one of claims 1 to 5, wherein the lower end vertical section of the blanking punch (2C) is of a V-shaped structure, and a blanking cutting edge I is arranged at the edge.

7. The punching, flanging, shaping and blanking integrated combined die is characterized in that the lower end of the punching punch (2B) protrudes out of the lower end of the blanking punch (2C) by 1-3 mm.

8. The punching, flanging, shaping and blanking integrated combined die is characterized in that a supporting platform (4C 1) is arranged at the top end of the flanging male die (4C), and a blanking cutting edge II is arranged on the supporting platform (4C 1) at the edge of the blanking hole (4B).

9. The punching, flanging, shaping and blanking integrated combined die is characterized by further comprising a pressure plate (8) arranged between the upper male die (2) and the lower female die (4), wherein a guide through hole capable of penetrating through a blanking punch (2C) is formed in the pressure plate (8), and the pressure plate (8) is connected with a connecting rod (9) capable of slidably penetrating through the upper die mounting plate (1) and a compression spring (10) arranged on the connecting rod.

10. The punching, flanging, shaping and blanking integrated combined die is characterized in that a flanging profiling cavity is arranged in the flanging receding groove (2D), and a flanging convex block matched with the flanging profiling cavity of the flanging receding groove (2D) is arranged on the outer edge of the flanging male die (4C).