CN204093940U - The straight flanging die of a kind of adjustable L-type part - Google Patents

Abstract

The utility model discloses an adjustable straight flanging mold for L-shaped parts, which comprises a lower mold base, a binder plate, a lower mold fixing plate, a concave mold, an adjustment bracket, a punch inlaid plate, a punch, a punch backing plate, Adjusting screw, the first hexagon socket head screw, the second hexagon socket head screw, set screw, upper die base, ejector rod, guide post and guide sleeve; the utility model can adjust the position of the die and punch by replacing the die and punch For rounded corners, the gap between the concave and convex dies can be adjusted by turning the adjusting screw, and the relative position of the blank and the die can be adjusted through the position of the positioning hole on the sheet to change the height of the straight flanging. The mold of the utility model has the advantages of simple structure, convenient and simple operation, and reduces the production cost, so that the work originally required to be completed by multiple molds can be completed by only one mold and several dies and punches.

Description

An adjustable straight flanging mold for L-shaped parts

technical field

The utility model relates to a mold, in particular to an adjustable straight flanging mold for an L-shaped piece, which is used for adjusting the gap between concave and convex molds, the height of straight flanging and the rounded corners of the concave and convex molds in the straight flanging test.

Background technique

The unit needs to conduct straight flanging tests on L-shaped parts under different concave-convex die gaps, concave-convex die fillets, sheet lengths and straight flange heights. At present, in the existing molds, it is necessary to configure multiple molds to carry out the straight flanging test of different mold sizes and part sizes, so that the number of molds will be doubled. This method has high test costs, long production cycle, and low work efficiency. .

Contents of the invention

Aiming at the deficiencies of the prior art, the utility model proposes an adjustable straight flanging mold for L-shaped parts.

The utility model is an adjustable straight flanging mold for L-shaped parts, which includes a lower mold base, a binder plate, a lower mold fixing plate, a die, an adjustment bracket, a punch mosaic plate, a punch, a punch backing plate, and an adjustment screw. , the first hexagon socket head screw, the second hexagon socket head screw, set screw, upper mold base, ejector rod, guide post and guide sleeve;

The lower mold base is a rectangular parallelepiped structure, a rectangular groove is formed in the center of the upper surface, and four circular through holes are opened in the groove, and a ejector rod is arranged in each circular through hole, and a push rod is arranged in the groove. A binder plate is provided, the top of the ejector rod is fixedly connected with the lower surface of the binder plate, and a plurality of pin holes are opened on the upper bottom surface of the binder plate; A die is arranged on the upper surface of the mold fixing plate close to the side of the binder plate, and the die, the lower mold fixing plate and the lower mold seat are fixed by the first hexagon socket head screw, and the upper surface of the lower mold fixing plate is away from the binder plate side The upper fixing is provided with an adjustment bracket, and an adjustment screw is arranged in the adjustment bracket along the horizontal direction, and the adjustment bracket is fixed by a set screw; Center symmetric outside the guide post and guide sleeve;

A punch mosaic plate is arranged above the binder plate, and a rectangular parallelepiped groove is formed on the bottom surface of the punch mosaic plate close to the two ends of the die respectively, and a punch mold is respectively set in the groove, and the two punch molds pass through the second inner hexagon respectively. The screw is fixedly connected with the punch inlay plate, the upper die seat is arranged above the punch inlay plate, the punch backing plate is arranged between the punch inlay plate and the upper die seat, and the lower die seat and the upper die seat are arranged along the diagonal A guide post and a guide sleeve are arranged respectively in the direction.

The beneficial effect of the utility model is that the fillets of the die and the punch can be adjusted by replacing the die and the punch, the gap between the punch and the die can be adjusted by turning the adjusting screw, and the sheet and the die can be adjusted by the position of the positioning hole on the sheet. The relative position to change the straight flange height. The mold of the utility model has the advantages of simple structure, convenient and simple operation, and reduces the production cost, so that the work originally required to be completed by multiple molds can be completed by only one mold and several dies and punches.

Description of drawings

Figure 1 is a schematic diagram of the cross-sectional structure of the adjustable straight flanging mold when it is closed.

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

Detailed ways

As shown in Figure 1, an adjustable straight flanging mold for L-shaped parts includes a lower mold base 1, a binder plate 2, a lower mold fixing plate 4, a concave mold 6, an adjustment bracket 7, a punch mosaic plate 8, a Die 9, punch backing plate 10, adjusting screw 12, first hexagon socket head cap screw 13, second hexagon socket cap cap screw 15, set screw 16, upper die base 17, ejector rod 18, guide post 19 and guide sleeve 20;

The lower mold base 1 is a rectangular parallelepiped structure, a rectangular groove is formed at the center of the upper surface, and four circular through-holes are opened in the groove, and a push rod 18 is arranged in each circular through-hole. A binder plate 2 is arranged in the groove, and the top of the ejector rod 18 is fixedly connected to the lower bottom surface of the binder plate 2. There are a plurality of pin holes on the upper bottom surface of the binder plate; Die fixing plate 4, lower mold fixing plate 4 is provided with die 6 on the upper surface close to the binder plate side, and the die 6, lower die fixing plate 4 and lower die base 1 are fixed by first hexagon socket head cap screws 13, The upper surface of the lower die fixing plate 4 away from the binder plate side is fixedly provided with an adjustment bracket 7, and an adjustment screw 12 is arranged in the adjustment bracket along the horizontal direction, and the adjustment bracket is fixed by a set screw 16; The structure on the side is symmetrical to the structure on the other side of the upper bottom surface of the lower mold base except for the guide post 19 and the guide sleeve 20;

The top of the binder plate 2 is provided with a punch inlay plate 8, and a cuboid groove is respectively opened on the bottom surface of the punch inlay plate 8 near the two ends of the die, and a punch 9 is respectively arranged in the groove, and two punches 9 are respectively The second hexagon socket head cap screw 15 is fixedly connected with the punch mosaic plate, the top of the punch mosaic plate 8 is provided with an upper mold base 17, the punch backing plate 10 is arranged between the punch mosaic plate and the upper mold base 17, and the lower mold A guide post 19 and a guide sleeve 20 are respectively arranged between the base 1 and the upper die base 17 along the diagonal direction.

In Fig. 2, before work, push the binder plate 2 to the working position parallel to the die 6 through the ejector pin 18, place the plate with a through hole on the binder plate 2, and pass the positioning pin 3 and Press the position of the pin hole on the plate, determine the relative position of the plate and the die 6, and obtain different flange heights; loosen the first hexagon socket screw 13 and the set screw 16, and move the die through multiple adjustment screws 12 , to obtain different concave and convex die gaps, and then fix the die through the first hexagon socket head screw 13 and the set screw 16; A hexagon socket head cap screw 13 replaces the die 6 and the punch 4 of different concave-convex die fillet sizes to obtain straight flanging dies with different concave-convex die fillet sizes. When working, the press moves vertically downwards, which drives the upper mold part of the mold to move vertically downwards to form the sheet metal, as shown in Figure 1. In this way, under the condition of a pair of mold bases, the straight flanging test of the L-shaped piece can be carried out under different concave-convex die gaps, concave-convex die fillets, sheet lengths and straight flange heights.

Claims (1)

1. An adjustable straight flanging mold for L-shaped parts, comprising a lower mold base, a binder plate, a lower mold fixing plate, a die, an adjustment bracket, a punch mosaic plate, a punch, a punch backing plate, an adjustment screw, The first hexagon socket head screw, the second hexagon socket head screw, set screw, upper mold base, ejector rod, guide post and guide sleeve; It is characterized in that: the lower mold base is a cuboid structure, a rectangular groove is opened in the center of the upper surface, and four circular through holes are opened in the groove, and a ejector rod is arranged in each circular through hole , a binder plate is arranged in the groove, the top of the ejector rod is fixedly connected with the lower bottom surface of the binder plate, and a plurality of pin holes are opened on the upper bottom surface of the binder plate; The fixed plate, the upper surface of the lower mold fixed plate close to the binder plate side is provided with a die, the die, the lower mold fixed plate and the lower die seat are fixed by the first hexagon socket head screw, and the lower mold fixed plate is far away from the binder plate An adjustment bracket is fixedly arranged on the upper surface of the side, and an adjustment screw is arranged in the adjustment bracket along the horizontal direction, and the adjustment bracket is fixed by a set screw; The structure above the side is center-symmetrical except for the guide post and the guide sleeve; A punch mosaic plate is arranged above the binder plate, and a rectangular parallelepiped groove is formed on the bottom surface of the punch mosaic plate close to the two ends of the die respectively, and a punch mold is respectively set in the groove, and the two punch molds pass through the second inner hexagon respectively. The screw is fixedly connected with the punch inlay plate, the upper die seat is arranged above the punch inlay plate, the punch backing plate is arranged between the punch inlay plate and the upper die seat, and the lower die seat and the upper die seat are arranged along the diagonal A guide post and a guide sleeve are arranged respectively in the direction.