CN210333867U

CN210333867U - Bending die for high-bending product

Info

Publication number: CN210333867U
Application number: CN201921240408.0U
Authority: CN
Inventors: 韦清波; 程华忠
Original assignee: Suzhou Hengquanxin Hardware Technology Co Ltd
Current assignee: Suzhou Hengquanxin Hardware Technology Co Ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-04-17
Anticipated expiration: 2029-08-02

Abstract

The utility model discloses a mould of bending of high product of bending, including last mould and lower mould, it includes the upper die base and connects to go up the mould the punch holder of upper die base below, the lower mould includes the die holder and connects the lower bolster of die holder top is treated the product of bending and is arranged in on the lower bolster, install the drift on the punch holder, install on the lower bolster and press the material piece and be located press the drift of bending of material piece both sides, the drift shaping of bending has fillet and recess, the punch holder pushes down and will the middle part of product support press in press on the material piece, the drift cooperation of bending the punch holder is right the shaping of upwards bending in product both sides, the both sides warp of product back, warp again after the fillet is bent the recess secondary is bent. The utility model discloses a high one shot forming of bending the product, the size of bending simultaneously is accurate stable, has ensured product quality, has improved work efficiency.

Description

Bending die for high-bending product

Technical Field

The utility model relates to a mould technical field of bending, in particular to mould of bending of high product of bending.

Background

For some high-bending products, such as 90-degree bending, the bending position of the product bent by the existing bending die is usually uneven in size, the die mark of the bending position is serious, and the bending position of the product is subjected to bending deformation and unstable in bending angle, so that the rejection rate of the product is increased. In order to improve the bending precision, a bending machine is generally adopted to bend manually, but the bending machine is low in feeding and taking efficiency and high in labor cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the above-mentioned defect among the prior art, provide a mould of bending of high product of bending, the product size precision after the high bending is stable.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: the utility model provides a mould of bending of high product of bending, includes mould and lower mould, it includes the upper die base and connects to go up the mould the punch holder of upper die base below, the lower mould includes the die holder and connects the lower bolster of die holder top is treated the product of bending and is arranged in on the lower bolster, install the drift on the punch holder, install on the lower bolster and press the material piece and be located press the drift of bending of material piece both sides, the drift shaping of bending has fillet and recess, the punch holder pushes down and will the middle part of product support press on pressing the material piece, the drift cooperation of bending the punch holder is right the shaping of upwards bending in product both sides, the both sides warp of product back is bent to the fillet, warp again the recess secondary is bent.

Furthermore, the utility model discloses still provide following subsidiary technical scheme: the lower portion of the upper clamping plate is further connected with a movable stripping plate, and the upper punch penetrates through the upper clamping plate and the stripping plate from top to bottom in sequence.

The upper die further comprises an upper base plate and a first equal-height sleeve, the upper base plate is connected between the upper die base and the upper clamping plate, the upper end of the first equal-height sleeve is hung on the upper base plate, and the lower end of the first equal-height sleeve is in threaded connection with the stripper plate.

The upper die further comprises a stripping spring, the upper end of the stripping spring abuts against the upper clamping plate, and the lower end of the stripping spring abuts against the stripping plate.

And guide parts inclining outwards and sliding blocks connected to the guide parts are arranged on two sides of the upper punch, and the sliding blocks can slide along the guide parts.

The sliding blocks are correspondingly arranged above the bending punch.

The lower die base is connected with a lower backing plate between the lower die base and the lower die plate, a lower striking plate is arranged on the lower end face of the lower die base, a striking rod is connected onto the lower striking plate, and the striking rod penetrates through the lower die base and the lower backing plate and abuts against the material pressing block.

And a spring box is arranged below the lower beating plate and provides resilience force for the lower beating plate.

And a limiting column used for limiting the downward position of the upper clamping plate is arranged on the outer side of the upper clamping plate.

The height of the upper end face of the bending punch is higher than that of the upper end face of the material pressing block.

Compared with the prior art, the utility model has the advantages of: 1. the utility model discloses the mould of bending sets up the drift on last mould and sets up the pressure material piece and set up in the lower mould and press the material piece both sides and with the punch matched with the drift of bending of top punch, when the last mould pushes down, the product bends through the fillet of the drift of bending and then bends through the recess secondary, the product bending part is upwards formed and is totally wrapped on the drift of bending and the pressure material piece, has realized the one shot forming of high bending product, the size of bending is accurate stable simultaneously, has ensured product quality, saves the cost of labor, improves work efficiency;

2. the utility model discloses the upper punch of the mould of bending is provided with the slidable slider for taking off the material in-process, the product is changed and is broken away from the upper punch, has improved product machining efficiency greatly.

Drawings

Fig. 1 is a schematic structural view of the bending die of the present invention.

Fig. 2 is the structural schematic diagram of the bending punch of the bending die of the present invention.

Fig. 3 is a schematic diagram of the state of the die assembly process of the bending die of the present invention.

Fig. 4 is a schematic view of the state of the bending die after closing.

Fig. 5 is a schematic view of the state of the bending die after opening the die.

Detailed Description

The following non-limiting detailed description of the present invention is provided in connection with the preferred embodiments and accompanying drawings.

As shown in fig. 1 and 2, the utility model provides a mould of bending of high product of bending, including complex last mould and lower mould.

The upper die is sequentially connected with an upper die base 1, an upper backing plate 2, an upper clamping plate 3 and a stripper plate 4 from top to bottom. The lower part of the upper die holder 1 is also connected with a first equal-height sleeve 5 and a stripping spring 6, the upper end of the first equal-height sleeve 5 is hung on the upper backing plate 2, the lower end of the first equal-height sleeve is connected with a screw, the stripping plate 4 is in threaded connection with the screw, and the stripping plate 4 moves up and down along with the first equal-height sleeve 5. The upper end of the stripping spring 6 is abutted against the upper clamping plate 3, the lower end of the stripping spring 6 is abutted against the stripping plate 4, and the stripping plate 4 moves up and down and carries out stripping through the compression force of the stripping spring 6. Install punch 7 and slider 8 on the punch holder 3, punch 7 from top to bottom runs through punch holder 3 in proper order and takes off flitch 4, and punch 7 and slider 8 all are equipped with the right angle face that is used for bending. The two sides of the upper punch 7 are both provided with outwards inclined slide rails 9, and the slide block 8 is arranged on the slide rails 9 and can move along the slide rails 9. In addition, the outer side of the upper clamping plate 3 is also provided with a limiting column 10, and the limiting column 10 is used for limiting the downward position of the upper clamping plate 3, so that the upper die is prevented from excessively moving downwards to cause the deformation of a product 20 to be bent.

The lower die comprises a lower die base 11, a lower backing plate 12 and a lower die plate 13, wherein the lower backing plate 12 and the lower die plate 13 are arranged above the lower die base 11, a material pressing block 14 and bending punches 15 located on two sides of the material pressing block 14 are arranged on the lower die plate 13, the upper end faces of the bending punches 15 are higher than the upper end faces of the material pressing block 14, the material pressing block 14 and the bending punches 15 are matched with the upper punch 7, and an angle bending gap for enabling a product 20 to be bent upwards and formed is formed between the bending punches 15 and the upper punch 7. The round angle 151 is formed above the bending punch 15, the inclined plane 152 inclined outwards and the arc-shaped groove 153 are formed below the round angle 151, when the upper punch 7 presses downwards, the product 20 is bent through the round angle 151 at first, and then the product 20 is bent upwards by 90 degrees under the matching of the groove 153, so that the folded edge is buffered, and the product is guaranteed to be not easy to deform. During the bending process, the bending part 21 of the product 20 to be bent is completely wrapped in the bending punch 15, so that the bending dimension is ensured to be accurate and stable. The lower end face of the lower die holder 11 is provided with a lower striking plate 16 and a foot pad 17, the lower striking plate 16 is connected with a striking rod 18, and the striking rod 18 penetrates through the lower die holder 11 and the lower striking plate 12 and abuts against the material pressing block 14. A spring box 19 is arranged below the lower striking plate 16, the resilience force of the spring box 19 is transmitted to the striking rod 18 through the lower striking plate 16, and the bent product 20 is ejected out of the lower template 13. In addition, a second equal-height sleeve 21 is arranged between the lower die holder 11 and the lower backing plate 12, a screw is connected to the second equal-height sleeve 21, and the material pressing block 14 is in threaded connection with the screw.

As shown in fig. 3 to 5, the working process of the bending die of the present invention is as follows: placing a product 20 to be bent into the lower template 13, closing the die, pressing the upper die downwards, and enabling the upper punch 7 and the sliding block 8 to contact the product 20; continuing pressing, wherein under the coordination of the bending punch 15, the middle part of the product 20 is pressed against the pressing block 14, and the bending parts 21 at the two sides of the product 20 are bent upwards by 90 degrees and completely wrapped in the bending punch 15, so that the stable bending size is ensured; in the process, the sliding block 8 is pressed by the product 20 to move obliquely upwards along the sliding rail 9 and is attached to the bending part 21 of the product 20, and the upper punch 7 and the sliding block 8 press the middle part of the product 20 together; after the bending is finished, the upper die moves upwards, the striking rod 18 on the lower die separates the bent product 20 from the lower die plate 13, so that the product 20 moves upwards along with the upper punch 7 and is stripped through the stripping plate 4 of the upper die, the sliding block 8 moves downwards along the sliding rail 9 under the action of gravity, the product 20 is separated from the sliding block 8, the contact area with the product 20 is reduced, the stripping force is reduced, and the product 20 is convenient to take.

The utility model has the advantages that: 1. the utility model discloses the mould of bending sets up the drift and the pressure material piece of bending that cooperate with the drift on the upper die on the last mould and in the lower mould both sides, when the upper die pushes down, the product is bent through the fillet and is bent again through the recess secondary, the product bending part is upwards formed and is totally wrapped on the drift of bending and the pressure material piece of bending, has realized the one shot forming of high bending product, and the size of bending is accurate stable simultaneously, has ensured product quality, saves the cost of labor, improves work efficiency;

It should be noted that the above-mentioned preferred embodiments are only for illustrating the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, and the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a mould of bending of high product of bending, includes mould and lower mould, it includes upper die base (1) and connects to go up the mould upper plate (3) of upper die base (1) below, the lower mould includes die holder (11) and connects lower bolster (13) of die holder (11) top, and product (20) of waiting to bend are arranged in on lower bolster (13), its characterized in that: the upper die plate is characterized in that an upper punch (7) is installed on the upper clamping plate (3), a material pressing block (14) and bending punches (15) located on two sides of the material pressing block (14) are installed on the lower die plate (13), round corners (151) and grooves (152) are formed in the bending punches (15), the upper punch (7) presses downwards and presses the middle of a product (20) against the material pressing block (14), the bending punches (15) are matched with the upper punch (7) to bend the two sides of the product (20) upwards for forming, and two sides of the product (20) are bent by the round corners (151) and then bent by the grooves (152) for secondary bending.

2. The bending die for high-bending products according to claim 1, characterized in that: the lower portion of the upper clamping plate (3) is further connected with a movable stripping plate (4), and the upper punch (7) penetrates through the upper clamping plate (3) and the stripping plate (4) from top to bottom in sequence.

3. The bending die for high-bending products according to claim 2, characterized in that: the upper die further comprises an upper base plate (2) and a first equal-height sleeve (5), the upper base plate (2) is connected between the upper die base (1) and the upper clamping plate (3), the upper end of the first equal-height sleeve (5) is hung on the upper base plate (2), and the lower end of the first equal-height sleeve is in threaded connection with the stripper plate (4).

4. The bending die for high-bending products according to claim 3, characterized in that: the upper die further comprises a stripping spring (6), the upper end of the stripping spring (6) abuts against the upper clamping plate (3), and the lower end of the stripping spring abuts against the stripping plate (4).

5. The bending die for high-bending products according to claim 1, characterized in that: go up drift (7) both sides and be equipped with slide rail (9) and the connection that leans out slide block (8) on slide rail (9), slide block (8) can be followed slide rail (9) slide.

6. The bending die for high-bending products according to claim 5, characterized in that: the sliding block (8) is correspondingly arranged above the bending punch (15).

7. The bending die for high-bending products according to claim 1, characterized in that: the lower die holder (11) with be connected with lower bolster (12) between lower bolster (13), be equipped with down on lower terminal surface of lower die holder (11) and beat board (16), be connected with on lower beat board (16) and beat pole (18), beat pole (18) and pass lower die holder (11) with lower bolster (12) and butt are in press on the material piece (14).

8. The bending die for high-bending products according to claim 7, characterized in that: a spring box (19) is arranged below the lower beating plate (16), and the spring box (19) provides resilience force for the lower beating plate (16).

9. The bending die for high-bending products according to claim 1, characterized in that: and a limiting column (10) used for limiting the downward position of the upper clamping plate (3) is arranged on the outer side of the upper clamping plate (3).

10. The bending die for high-bending products according to claim 1, characterized in that: the height of the upper end face of the bending punch (15) is higher than that of the upper end face of the material pressing block (14).