CN201950117U - Adjustable bending die - Google Patents

Abstract

The utility model relates to an adjustable bending die which comprises an upper die part and a lower die part, wherein the upper die part consists of an upper template, a convex die cushion block, an upper die adjustable cushion block, a first hexagonal cushion block, a first screw and a convex die, the lower die part consists of a lower die cushion block, a lower die adjustable cushion block, a support plate, a second hexagonal cushion block, a third hexagonal cushion block, a second screw, a third screw and a lower template. The adjustable bending die has the advantages that: firstly, the adjustable bending die has compact and novel structure, and the position of the upper die adjustable cushion block, the lower die cushion block or the support plate is adjusted by the rotation of the hexagonal cushion block or the addition of a gasket, therefore, U-shaped bending pieces of different sizes in a same type can be produced without processing a plurality of pairs of dies; and secondly, the manufacture cost is low without the plurality of pairs of dies and frequent change of the die, therefore, the labor intensity of a worker is reduced, and the working efficiency is improved.

Description

Adjustable bending die

technical field

The utility model relates to a mold, in particular to an adjustable bending mold, which is used for processing U-shaped bending parts of the same type and different sizes.

Background technique

In the prior art, a pair of bending dies can only bend and process bent parts of the same structural size for specific parts, but cannot process bent parts of the same type and different sizes. That is, one mold is one piece, so it is necessary to configure multiple molds to ensure the production and processing of curved parts of different sizes. This approach is not only labor-intensive, but also inefficient.

Contents of the invention

The purpose of this utility model is to provide an adjustable bending die in order to avoid the deficiencies in the background technology.

In order to achieve the above object, the utility model adopts the following technical scheme: the adjustable bending mold includes an upper mold part and a lower mold part, and the upper mold part is composed of an upper template, a punch pad, an upper mold adjustable pad, The hexagonal block, the first screw and the punch are composed of the upper end of the punch block and the upper template, and the lower end is fixedly connected with the punch. The two sets of upper die adjustable blocks are respectively located on both sides of the punch block. The mold adjustable pads are respectively provided with first rectangular adjustment holes, and the first screws respectively pass through the rectangular adjustment holes and are threadedly connected with the punch pads. Between the adjustable pads; the lower mold part is composed of the lower mold pad, the lower mold adjustable pad, the support plate, the second hexagonal pad, the third hexagonal pad, the second screw, the third screw and the lower The formwork is composed of first stoppers on both sides of the upper end of the lower formwork, the lower mold pads are connected above the lower formwork, and the two sides of the lower mold pads are respectively provided with lower mold adjustable cushions and support plates outward. There is a third hexagonal spacer between the first stopper, a second hexagonal spacer between the lower mold adjustable spacer and the lower template, and a second rectangular adjustment hole and a third rectangular adjustment hole on the support plate. Adjusting holes, the second screws respectively pass through the second rectangular adjusting holes and are threadedly connected with the adjustable pad of the lower die, and the third screws respectively pass through the third rectangular adjusting holes and are threadedly connected with the lower formwork.

For an optimization of the utility model, a spring mounting hole is provided between the lower end of the lower die cushion block and the lower die plate, and an ejection spring is arranged inside it.

For an optimization of the utility model, the two sides of the lower end of the upper formwork are provided with second stoppers to prevent the first hexagonal block from falling out of the installation position during installation or use.

For an optimization of the present utility model, the adjustable bending mold further includes several adjusting shims used in conjunction with the first hexagonal block, the second hexagonal block or the third hexagonal block.

Compared with the background technology, the utility model has the advantages of a compact and novel structure. The mold adjusts the positions of the upper mold adjustable cushion block, the lower mold adjustable cushion block or the support plate by rotating the hexagonal cushion block or adding gaskets, so as not to It is necessary to process multiple molds to produce U-shaped bending parts of the same type and different sizes; second, the production cost is low, there is no need to configure multiple molds, and there is no need to change molds frequently, which reduces the labor intensity of workers and improves work efficiency. .

Description of drawings

Fig. 1 is a schematic cross-sectional structure diagram of an adjustable bending die.

Fig. 2 is a structural schematic diagram of the lower mold part.

Fig. 3 is a schematic diagram of the structure of each adjustment hole of the adjustable bending die.

Fig. 4 is a schematic structural diagram of a U-shaped bending member.

Detailed ways

Embodiment 1: Refer to Figures 1-4. Adjustable bending mold, including upper mold part and lower mold part, described upper mold part is made up of upper template 1, punch pad 2, upper mold adjustable pad 6, first hexagonal pad 4, first screw 16 It is composed of the punch 3, the upper end of the punch pad 2 is fixedly connected with the upper template 1, and the lower end is fixedly connected with the punch 3, and the two sets of upper die adjustable pads 6 are respectively located on both sides of the punch pad 2, and the upper die can be The pads 6 are respectively provided with first rectangular adjustment holes 6a, the first screws 16 pass through the rectangular adjustment holes and are threadedly connected with the punch pads 2, and the two sets of first hexagonal pads 4 are respectively located on the upper template 1 and the between the upper mold adjustable pads 6; the lower mold part is composed of a lower mold pad 7, a lower mold adjustable pad 15, a support plate 13, a second hexagonal pad 17, and a third hexagonal pad 12 , the second screw 14, the third screw 9 and the lower formwork 11, the upper end of the lower formwork 11 is respectively provided with first stoppers 11a, the lower mold cushion block 7 is connected above the lower formwork 11, and the lower mold cushion block 7 both sides The lower mold adjustable spacer 15 and the support plate 13 are respectively arranged outward in turn, the third hexagonal spacer 12 is arranged between the support plate 13 and the first stopper 11a, the lower mold adjustable spacer 15 and the lower formwork 11 There is a second hexagonal spacer 17 between them, and the support plate 13 is provided with a second rectangular adjustment hole 13a and a third rectangular adjustment hole 13b, and the second screw 14 passes through the second rectangular adjustment hole 13a and the lower mold respectively. The spacer 15 is threaded, and the third screws 9 respectively pass through the third rectangular adjustment holes 13b and are threaded with the lower template 11 . A spring mounting hole 16 is provided between the lower end of the lower mold cushion block 7 and the lower template 11, and an ejection spring is provided in it. Both sides of the lower end of the upper template 1 are provided with second stoppers 5 that prevent the first hexagonal block 4 from coming out of the installation position when it is installed or used. The adjustable bending mold also includes several adjusting shims 10 for use with the first hexagonal block 4 , the second hexagonal block 17 or the third hexagonal block 12 .

Embodiment 2: Refer to Figures 1-4. If it is necessary to process U-row bending parts 18 of the same type and different sizes, add spacers or just turn the first hexagonal block 4, the second hexagonal block 17 or the third hexagonal block without changing the mold base 12, thereby adjusting the position of the upper mold adjustable pad 6, the lower mold adjustable pad 15 or the support plate 13, it is possible to process and produce U-shaped bending parts 18 of the same type and different sizes, and it is convenient to adjust or replace. In addition, the mold can also replace the punch 3, adjust or replace the first hexagonal pad 4, the second hexagonal pad 17 or the third hexagonal pad 12 of different sizes according to the size of the punch 3, So that the adjustable pad 6 of the upper mold, the adjustable pad 15 of the lower mold or the support plate 13 are in a reasonable position.

The mold can be used on presses of different specifications or tonnages according to the bending force required for forming the parts. Before working, select the appropriate punch and punch pad 2, and place the first screw 16, the second screw 14 and the second screw. The three screws 9 are loosened so that the support plate 13, the adjustable pad 6 of the upper mold and the adjustable pad 15 of the lower mold can slide, and then according to the thickness T of the bending piece 18, the required bending depth H and the bending width D, different The first hexagonal spacer 4, the second hexagonal spacer 17, the third hexagonal spacer 12 or the adjusting spacer 10 of the same size, thereby defining the upper mold adjustable spacer 6, the lower mold adjustable spacer 15 or the support The position of plate 13 is tightened then the first screw 16, the second screw 14 and the third screw 9, so far, can carry out the forming processing of bending part 18.

It should be understood that: although the present embodiment has described the utility model in more detail, these explanations are only a simple description of the utility model, rather than a limitation of the utility model, and any content that does not exceed the essence of the utility model Inventions and creations all fall within the protection scope of the present utility model.

Claims (4)

1. An adjustable bending die, comprising an upper mold part and a lower mold part, is characterized in that: the upper mold part is composed of an upper template, a punch pad, an adjustable pad for the upper mold, a first hexagonal pad, The first screw and the punch are composed of the upper end of the punch pad and the upper template, and the lower end is fixedly connected with the punch. The two sets of upper die adjustable pads are located on both sides of the punch pad, and the upper die adjustable pad There are first rectangular adjustment holes on the top respectively, and the first screws pass through the rectangular adjustment holes and are threadedly connected with the pads of the punch, and the two sets of first hexagonal pads are respectively located between the upper template and the two sets of adjustable pads ; The lower mold part is composed of a lower mold pad, a lower mold adjustable pad, a support plate, a second hexagonal pad, a third hexagonal pad, a second screw, a third screw and a lower template, and the lower template There are first stoppers on both sides of the upper end respectively, the lower mold pads are connected above the lower template, and the lower mold pads are respectively provided with lower mold adjustable pads and support plates outwardly on both sides, and the support plate is connected to the first stopper. A third hexagonal pad is provided between them, a second hexagonal pad is provided between the adjustable pad of the lower die and the lower formwork, a second rectangular adjustment hole and a third rectangular adjustment hole are provided on the support plate, and the second The screws respectively pass through the second rectangular adjustment holes and are threadedly connected with the adjustable pad of the lower die, and the third screws respectively pass through the third rectangular adjustment holes and are threaded with the lower formwork. 2. The adjustable bending die according to claim 1, characterized in that: a spring mounting hole is provided between the lower end of the lower die cushion block and the lower die plate, and an ejection spring is arranged in it. 3. The adjustable bending die according to claim 1, characterized in that: there are second stoppers on both sides of the lower end of the upper template to prevent the first hexagonal block from falling out of the installation position during installation or use. 4. The adjustable bending mold according to claim 1, characterized in that: the adjustable bending mold also includes several hexagonal pads, second hexagonal pads or third hexagonal pads Adjusting washer.

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