CN213496021U

CN213496021U - Edge rolling mechanism

Info

Publication number: CN213496021U
Application number: CN202022328594.2U
Authority: CN
Inventors: 曹红伟; 施雨婷; 董垚垚; 秦伟; 潘文鹏; 杨德云
Original assignee: Wuxi Taihu University
Current assignee: Wuxi Taihu University
Priority date: 2020-10-13
Filing date: 2020-10-19
Publication date: 2021-06-22
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses a edge rolling mechanism, including the upper die base, the die holder, the shaping piece, slider and drive block, the fixed block is installed to the die holder, the slider can control the removal and install in the die holder, upper die base fixed mounting has the fixed plate, the shaping piece hoists in the fixed plate, be equipped with first spring between shaping piece and the upper die base, the drive block is installed in the upper die base, the drive block is equipped with the main drive inclined plane, one side that the fixed block was kept away from to the slider is equipped with vice drive inclined plane, the slider is equipped with shaping semicircle concave surface by one side of fixed block, one side that the shaping piece leaned on the drive block is equipped with shaping arc concave surface, during the compound die, drive block drive slider removes, shaping semicircle concave surface and. The utility model discloses need not the stem and can realizing the edge rolling, realized the one side of edge rolling through the slider that removes and the shaping piece and pushed the shaping, the process steps is simplified, and after the edge rolling shaping, the part is taken out easily, and this edge rolling mechanism is not fragile, has reduced maintenance frequency, has improved production efficiency.

Description

Edge rolling mechanism

Technical Field

The utility model relates to a stamping process field, more specifically relates to edge rolling mechanism.

Background

With the development of productivity, the mold industry is rapidly discovered, and the types of molds are more and more, so that the production of various products is more convenient. The rolling is as the forming mode of part sheet metal component, adopts the rolling mould to carry out the rolling usually. When the existing rolling die is produced, parts are frequently adhered to the lower die, so that the die is high in maintenance frequency, and the curled parts are inconvenient to take out. It is also proposed that the core column is directly rounded without using a rounding die, but the formation can be completed only by two steps, as shown in fig. 1, the first step is 90-degree bending, and the second step is rounding, so that at least two sets of dies are needed, and the forming needs to be repositioned every time, which may cause the non-smooth appearance of the formed product and is relatively troublesome.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a need not to agree with the piece, be fit for arbitrary angle and punch a hole, press reasonable slidingtype edge rolling mechanism of material to one side.

According to an aspect of the utility model, a rolling mechanism is provided, it includes the upper die base, the die holder, the shaping piece, slider and drive block, die holder fixed mounting has the fixed block, the slider can control the removal and install in the die holder, upper die base fixed mounting has the fixed plate, the shaping piece hoists in the fixed plate, be equipped with first spring between shaping piece and the upper die base, the drive block is installed in the upper die base, the drive block is equipped with the main drive inclined plane, one side that the fixed block was kept away from to the slider is equipped with vice drive inclined plane, the slider is equipped with shaping semicircle concave surface by one side of fixed block, the shaping piece is equipped with shaping arc concave surface by one side of drive block, during the compound die, drive block drive slider removes, shaping semicircle concave surface and shaping arc concave surface. Therefore, in the die closing process, the upper die base is gradually pressed down, the bottom surface of the forming block presses a product, the first spring is compressed, meanwhile, the main driving inclined surface of the driving block pushes the auxiliary driving inclined surface of the sliding block to enable the sliding block to gradually move towards the fixing block, the forming semicircular concave surface of the sliding block carries out side push forming on the product, the edge of the curled product enters the forming arc-shaped concave surface of the forming block, and when the product is completely closed, the forming semicircular concave surface and the forming arc-shaped concave surface form a molding surface of the rolling forming die; in the die opening process, the upper die base gradually moves upwards, the first spring is gradually released, the forming block presses a product, the sliding block gradually moves towards one side far away from the fixing block, and the product after being rolled is taken out after the die is completely opened; the edge rolling mechanism is simple in structure, core columns are not needed, one-time side-push forming of edge rolling is achieved, process steps are simplified, parts are easy to take out after edge rolling forming, the edge rolling mechanism is not prone to damage, maintenance frequency is reduced, and production efficiency is improved.

In some embodiments, the lower die holder is provided with a sliding groove, the bottom of the sliding block is provided with a sliding table, the sliding table is arranged in the sliding groove, a second spring is arranged in the sliding groove, and the second spring is abutted against the sliding table. Therefore, when the sliding block is closed, the sliding table of the sliding block moves towards the right side along the sliding groove, and the second spring is compressed; when the die is opened, the second spring is released, the sliding table of the sliding block moves to the left side along the sliding groove, and the sliding block resets.

In some embodiments, the fixed block is provided with at least two outer positioning columns, and one side of the fixed block, which is far away from the sliding block, is provided with a positioning step. From this, through two outer reference columns, fix a side location of product, and through the location step of fixed block, the terminal surface of location product prevents to push away the fashioned in-process of edge curl at the product, prevents that the product from removing.

In some embodiments, guide blocks are arranged above two sides of the sliding groove, the guide blocks are provided with guide grooves, and two sides of the sliding block are provided with convex edges matched with the guide grooves. Therefore, in the moving process of the sliding block, the convex edge part plays a role in guiding in the guide groove and can prevent the sliding block from being separated from the sliding groove.

In some embodiments, the lower die holder is provided with a stopper, one end of which is positioned above the edge of the sliding groove. Therefore, in the mold opening process, the second spring is released, the slide block retreats towards the left side, when the slide block touches the stop block, the slide block stops retreating, and the abrasion of the left inner side wall of the slide groove can be prevented.

In some embodiments, the two sides of the forming block are provided with lifting lugs, the fixing plate is internally provided with a counter sink hole, the upper part of the forming block is arranged in the counter sink hole, and the forming block and the upper die base are both provided with blind holes for accommodating the first spring. From this, the shaping piece passes through the lug hoist and mount in the counter sink hole of fixed plate, and the both ends of first spring hold respectively in the blind hole of shaping piece and upper die base, ensure that first spring is in the in-process position stability of being compressed or releasing.

The utility model has the advantages that: the utility model discloses simple structure need not the stem and can realize the edge rolling, has realized the one side of edge rolling through the slider and the shaping piece that remove and has pushed away the shaping, and the process step is simplified, and after the edge rolling shaping, the part is taken out easily, and this edge rolling mechanism is not fragile, has reduced maintenance frequency, has improved production efficiency.

Drawings

FIG. 1 is a schematic view of a prior art roll forming process;

FIG. 2 is a schematic view of a single-step rolling formation by the rolling mechanism of the present invention;

fig. 3 is a schematic structural diagram of an embodiment of a rolling mechanism according to the present invention;

FIG. 4 is a schematic view of the internal structure of FIG. 3;

FIG. 5 is an exploded view of FIG. 3;

fig. 6 is an exploded view of fig. 3 from another perspective.

Detailed Description

The present invention will be further described with reference to the following embodiments.

As shown in fig. 3 and 4, the rounding mechanism according to an embodiment of the present invention includes an upper die base 1, a lower die base 5, a forming block 3, a slider 7, and a driving block 4. The lower die holder 5 is fixedly provided with a fixing block 6 through a bolt, and the sliding block 7 can be installed on the lower die holder 5 in a left-right moving mode. The upper die holder 1 is fixedly provided with a fixed plate 2, and the forming block 3 is hung on the fixed plate 2. Specifically, lifting lugs 31 are arranged on two sides of the forming block 3, a counter sink hole 21 is formed in the fixing plate 2, the upper portion of the forming block 3 is installed in the counter sink hole 21, blind holes 10 for accommodating the first springs 11 are formed in the forming block 3 and the upper die base 1, and the first springs 11 are installed between the forming block 3 and the upper die base 1. The driving block 4 is arranged on the upper die holder 1, the driving block 4 is provided with a main driving inclined surface 41, and one side of the sliding block 7, which is far away from the fixed block 6, is provided with an auxiliary driving inclined surface 71. A semi-circular molding concave surface 70 is arranged on one side of the sliding block 7 close to the fixed block 6, and an arc-shaped molding concave surface 30 is arranged on one side of the molding block 3 close to the driving block 4. When the die is closed, the driving block 4 drives the sliding block 7 to move, and the semicircular concave surface 70 and the arc-shaped concave surface 30 are formed to realize side-pushing and edge-rolling forming of a product. The forming block 3 is hung in the counter sink hole 21 of the fixing plate 2 through the lifting lug 31, and two ends of the first spring 11 are respectively accommodated in the forming block 3 and the blind hole 10 of the upper die holder 1, so that the position stability of the first spring 11 in the process of being compressed or released is ensured.

As shown in fig. 4 and 5, the lower die base 5 is provided with a sliding groove 52, and the bottom of the sliding block 7 is provided with a sliding table 72. The slide table 72 is disposed in the slide groove 52, the second spring 51 is disposed in the slide groove 52, and the second spring 51 abuts against the slide table 72. When the slide table 72 of the slider 7 is closed, it moves to the right along the slide groove 52, and the second spring 51 is compressed. When the mold is opened, the second spring 51 is released, the slide table 72 of the slider 7 moves leftward along the slide groove 52, and the slider 7 is returned.

As shown in fig. 6, the fixing block 6 is fixedly installed with at least two outer positioning posts 61, and one side edge of the product is positioned by the outer positioning posts 61. One side that slider 7 was kept away from to fixed block 6 is equipped with location step 62, and through the location step 62 of fixed block 6, the terminal surface of location product prevents to push away the fashioned in-process of edge curl at the side at the product, prevents that the product from removing.

As shown in fig. 5, guide blocks 8 are fixedly mounted on the upper portions of both sides of the sliding groove 52 by bolts, a guide groove 81 is formed in each guide block 8, and protruding edge portions 73 which are engaged with the guide grooves 81 are formed on both sides of the slider 7. The protruding edge 73 guides the slider 7 in the guide groove 81 during the movement of the slider 7, and prevents the slider 7 from coming off the slide groove 52.

As shown in fig. 4, a stopper 9 is fixedly mounted on the lower die holder 5 by a screw, and one end of the stopper 9 is positioned above the edge of the slide groove 52. In the mold opening process, the second spring 51 is released, the slider 7 retreats to the left, and when the slider 7 touches the stopper 9, the slider 7 stops retreating, so that the left inner side wall of the slide groove 52 can be prevented from being worn.

The utility model discloses a motion process: the product that will wait to the edge curl is arranged in on fixed block 6, upper die base 1 begins work under the effect of punch press, in the compound die in-process, upper die base 1 pushes down gradually, the product is pushed down to the bottom surface of shaping piece 3, first spring 11 is compressed, simultaneously, main drive inclined plane 41 through drive block 4 promotes the vice drive inclined plane 71 of slider 7, second spring 51 is compressed, the slip table 72 of slider 7 moves to fixed block 6 department on the right side gradually along sliding tray 52, shaping semicircle concave surface 70 of slider 7 carries out the side thrust shaping to the product, curled product edge gets into in the shaping arc concave surface 30 of shaping piece 3, when closing the mould completely, shaping semicircle concave surface 70 and shaping arc concave surface 30 have constituted the forming die profile of edge curl. In the process of opening the die, the upper die base 1 gradually moves upwards, the first spring 11 is gradually released, the forming block 3 presses the product, meanwhile, the driving block 4 gradually moves upwards along with the upper die base 1, the second spring 51 is released, the sliding table 72 of the sliding block 7 moves towards the left side along the sliding groove 52, the sliding block 7 gradually moves away from the fixing block 6, and the product after being rolled is taken out after the die is completely opened.

The edge rolling mechanism is simple in structure, edge rolling can be achieved without a core column, one-time side pushing forming (shown in figure 2) of edge rolling is achieved through the movable sliding block 7 and the forming block 3, process steps are simplified, parts are taken out easily after edge rolling forming, the edge rolling mechanism is not prone to damage, maintenance frequency is reduced, and production efficiency is improved.

The foregoing is only a few embodiments of the present invention, and it should be noted that, for those skilled in the art, other modifications and improvements can be made without departing from the inventive concept of the present invention, and all of them belong to the protection scope of the present invention.

Claims

1. The edge rolling mechanism is characterized by comprising an upper die base (1), a lower die base (5), a forming block (3), a sliding block (7) and a driving block (4), wherein the lower die base (5) is fixedly provided with a fixed block (6), the sliding block (7) can be installed on the lower die base (5) in a left-right moving mode, the upper die base (1) is fixedly provided with a fixed plate (2), the forming block (3) is hoisted on the fixed plate (2), a first spring (11) is arranged between the forming block (3) and the upper die base (1), the driving block (4) is installed on the upper die base (1), the driving block (4) is provided with a main driving inclined surface (41), one side, far away from the fixed block (6), of the sliding block (7) is provided with an auxiliary driving inclined surface (71), one side, close to the fixed block (6), of the sliding block (7) is provided with a forming semicircular concave surface (70), one side, close to the driving block, when the die is closed, the driving block (4) drives the sliding block (7) to move, and the semicircular concave surface (70) and the arc-shaped concave surface (30) are formed to realize side-pushing and edge-rolling forming of a product.

2. The rounding mechanism according to claim 1, characterized in that the lower die holder (5) is provided with a sliding groove (52), the bottom of the slide block (7) is provided with a sliding table (72), the sliding table (72) is arranged in the sliding groove (52), a second spring (51) is arranged in the sliding groove (52), and the second spring (51) abuts against the sliding table (72).

3. The rounding mechanism as claimed in claim 2, characterized in that the fastening block (6) is provided with at least two outer positioning posts (61), and a positioning step (62) is provided on the side of the fastening block (6) facing away from the slide (7).

4. The rolling mechanism according to claim 3, characterized in that guide blocks (8) are arranged above two sides of the sliding groove (52), the guide blocks (8) are provided with guide grooves (81), and two sides of the sliding block (7) are provided with convex edges (73) matched with the guide grooves (81).

5. The rounding mechanism of claim 4, characterized in that the lower die holder (5) is provided with a stop (9), one end of the stop (9) being located above the edge of the slide groove (52).

6. The edge rolling mechanism according to any one of claims 1 to 5, wherein lifting lugs (31) are arranged on two sides of the forming block (3), a counter sink hole (21) is arranged in the fixing plate (2), the upper part of the forming block (3) is installed in the counter sink hole (21), and the forming block (3) and the upper die holder (1) are provided with blind holes (10) for accommodating the first springs (11).