CN216027495U - Sinking die for forming U-shaped material - Google Patents

Abstract

A sinking die for forming a U-shaped material is characterized in that a module for placing the U-shaped material is fixed in the middle of a lower die plate, compression blocks are symmetrically arranged on two sides of the module, a cushion block is arranged between the module and the compression blocks, a working profile of the cushion block is consistent with a flange area formed by the U-shaped material, a protruding portion matched with a working profile of an upper die is formed at a bending portion of the sinking area of the cushion block, the stress condition of the area, easy to sink, of the U-shaped material is improved through a cushion plate, the material flow quantity of the area, easy to sink, of the U-shaped material is increased, the area, prone to sink, of the U-shaped material is controlled within an allowable value range, and the product quality is effectively improved; the die comprises a lower die plate and is characterized in that supporting blocks are symmetrically arranged at two ends of the lower die plate, knurled nuts and compression screws are mounted on the supporting blocks, the head of each compression screw is fixed on a compression block, the compression screws are controlled to drive the compression blocks to move inwards or outwards through operation of the knurled nuts, so that the space of the die is enlarged or reduced, and a large amount of die assembly time is effectively saved.

Description

Sinking die for forming U-shaped material

Technical Field

The utility model relates to the technical field of forming dies, in particular to a sinking die for forming a U-shaped material.

Background

The traditional U-shaped section forming sinking die comprises an upper die, two side pressure plates, a lower die and a lower die plate, wherein the two side pressure plates and the lower die plate are fixed by bolts, gaskets and nuts, the lower die plate is fixed on the lower die plate by screws and pins, and the U-shaped section forming sinking die has the following problems: 1. the assembly is difficult during the molding, and the lower die is fixed by adopting bolts, washers and nuts, so that more time is spent for dismounting each time the punched parts sink, and the parts are put in and taken out; 2. a groove is formed in the lower die, the shape of the groove is consistent with the U shape of the part, the part is placed in the groove, the tolerance of the groove is determined according to the tolerance of the part, and the manufacturing difficulty and time cost are increased for manufacturing; 3. after the U-shaped section is formed in a traditional U-shaped section forming sinking die, collapse areas are easy to appear on the web surface and the vertical edge of the U-shaped section in the collapse area, and when the depth and the size of the collapse areas exceed allowable values, the quality of the U-shaped section cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sinking die for forming a U-shaped section, which solves the problems in the prior art.

The technical problem solved by the utility model is realized by adopting the following technical scheme:

a sinking die for forming a U-shaped material comprises an upper die, a supporting block, a lower die plate, compression blocks, modules and a base plate, wherein the modules for placing the U-shaped material are fixed in the middle of the lower die plate, the compression blocks are symmetrically arranged on two sides of the modules, meanwhile, cushion blocks are arranged between the modules and the compression blocks, the working profiles of the cushion blocks are consistent with the flange area formed by the U-shaped material, and bulges matched with the working profiles of the upper die are formed at the bending parts of the sinking areas of the cushion blocks; support blocks are symmetrically arranged at two ends of the lower template, knurled nuts and compression screws are mounted on the support blocks, the head of each compression screw is fixed on the compression block, and the compression block is controlled to move inwards or outwards by operating the knurled nuts so as to enlarge or reduce the space of the module.

In the utility model, a die shank is fixed on the upper die, and the head part of the die shank is arranged on the punching machine.

In the utility model, the module is fixed in the middle of the lower template through the positioning pin and the screw.

In the utility model, the supporting block is also provided with a knurled cylindrical pin.

In the utility model, the highest point of the projection is in contact with the U-profile web.

In the U-shaped section forming process, the knurling nut is operated to control the compression screw to move outwards, so that the compression block is driven to be away from the module, a larger placing space is provided for the U-shaped section, workers can conveniently place and take materials, and the die does not need to be debugged again; after the U-shaped material is placed on the module, the pressing block is driven to approach to the module direction (i.e. inwards) through rotating the knurled nut, the U-shaped material is tightly attached to the pressing block, the upper die is controlled by the die shank to move towards the lower die direction, the U-shaped material is pressed by the upper die, after the U-shaped material is formed, the upper die is controlled by the die shank to move upwards, the knurling nut is operated to control the pressing screw to move outwards, the pressing block is driven to be far away from the module, and the U-shaped material is conveniently taken out of the module.

Has the advantages that:

1) the compression screw is adopted to control the compression block to move inwards or outwards so as to reserve a larger space for placing and taking out parts, and a large amount of die assembly time is effectively saved;

2) the die structure is optimized, and the structure of the module, the base plate and the pressing block is adopted, so that the manufacturing cost is effectively reduced, and the operation difficulty of workers is reduced;

3) the utility model adopts the backing plate to improve the stress condition of the U-shaped section bar easily-collapsing area and increase the material flow rate of the easily-collapsing area, thereby ensuring that the section bar-collapsing area is controlled within an allowable value range and effectively improving the product quality.

Drawings

FIG. 1 is a front view of the preferred embodiment of the present invention.

FIG. 2 is a top view of the preferred embodiment of the present invention.

Fig. 3 is a cross-sectional view taken at a-a in fig. 2.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further explained below by combining the specific drawings.

Referring to fig. 1 to 3, the sinking die for U-shaped material forming comprises a die shank 1, an upper die 2, a cylindrical pin 3 of the die shank, a cylindrical pin 4, a knurled nut 5, a knurled cylindrical pin 6, a compression screw 7, a support block 8, a lower die plate 9, a compression block 10, a positioning pin 11, a die block 12, a backing plate 13 and screws 14, wherein the head of the die shank 1 is installed on a punch, the bottom of the die shank 1 is fixed on the upper die 2 through the cylindrical pin 3 of the die shank, the die block 12 is fixed in the middle of the lower die plate 9 through the positioning pin 11 and the screws 14, the compression block 10 is symmetrically arranged at two sides of the die block 12 and fixed on the lower die plate 9 through the cylindrical pin 4, the support block 8 is symmetrically arranged at two ends of the lower die plate 9, the support block 8 is fixed on the lower die plate 9 through the screws 14 and the positioning pin 11, and the knurled nut 5, the knurled cylindrical pin 6 and the compression screw 7 are respectively installed on each support block 8, the head of the compression screw 7 is fixed on the compression block 10, after the knurled nut 5, the knurled cylindrical pin 6 and the compression screw 7 are assembled, the compression block 10 is controlled to move inwards or outwards by operating the knurled nut 5, and in the U-shaped material forming process, the compression screw 7 is controlled to move outwards by operating the knurled nut 5, so that the compression block 10 is driven to be far away from the module 12, a large placing space for the U-shaped material is provided, a worker can conveniently place and take materials, and the mold does not need to be debugged again; after the U-shaped material is placed on the module 12, the pressing block 10 is driven to approach to the direction of the module 12 (namely inwards) through rotating the knurled nut 5 until the pressing block 10 is attached to the U-shaped material tightly, the die shank 1 controls the die to move towards the direction of the lower die and compresses the U-shaped material until the upper die, after the U-shaped material is formed, the die shank 1 controls the die to move upwards, the knurled nut 5 is operated to control the pressing screw 7 to move outwards, the pressing block 10 is driven to be far away from the module 12, and the U-shaped material is conveniently taken out of the module 12.

As shown in fig. 3, the backing plate 13 is disposed between the module 12 and the pressing block 10, and the working profile of the backing plate 13 is consistent with the flange area of the U-shaped profile, and an upward convex protrusion is formed at the bending part of the depressed area, when the U-shaped profile is placed on the module 12, the highest point of the protrusion contacts with the web of the U-shaped profile, and after the U-shaped profile is formed, the protrusion of the backing plate 13 is matched with the working profile of the upper die 2 to improve the stress condition of the U-shaped profile in the area easy to collapse, and increase the material flow rate of the area easy to collapse, so as to ensure that the area of the profile collapse is controlled within the allowable value range.

Claims (5)

1. A sinking die for forming a U-shaped material comprises an upper die, a supporting block, a lower die plate, compression blocks, modules and a base plate, and is characterized in that the modules for placing the U-shaped material are fixed in the middle of the lower die plate, the compression blocks are symmetrically arranged on two sides of the modules, meanwhile, cushion blocks are arranged between the modules and the compression blocks, the working profiles of the cushion blocks are consistent with the flange area formed by the U-shaped material, and bulges matched with the working profiles of the upper die are formed at the bending parts of the sinking areas of the cushion blocks; supporting blocks are symmetrically arranged at two ends of the lower template, knurled screw caps and compression screws are mounted on the supporting blocks, and the heads of the compression screws are fixed on the compression blocks.

2. The sinking die for forming the U-shaped section according to claim 1, wherein a die shank is fixed on the upper die, and the head of the die shank is arranged on a punching machine.

3. The sinking die for forming the U-shaped section bar according to claim 1, wherein the die block is fixed in the middle of the lower die plate through a positioning pin and a screw.

4. The sinking die for forming U-shaped profiles as claimed in claim 1, wherein the supporting block is further provided with a knurled cylindrical pin.

5. Sinking die for U-profile forming according to claim 1, wherein the highest point of the protrusion is in contact with the U-profile web.

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