CN214184893U

CN214184893U - Continuous mould for bending and forming glasses box cover

Info

Publication number: CN214184893U
Application number: CN202023108580.6U
Authority: CN
Inventors: 蓝卫华
Original assignee: Xiamen Xin Sheng Mechanical And Electronic Industry Co ltd
Current assignee: Xiamen Xin Sheng Mechanical And Electronic Industry Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-09-14
Anticipated expiration: 2030-12-22

Abstract

The utility model provides a glasses box cover shaping continuous mould that bends, include last mould, lower mould and be located the stripper between mould and the lower mould, its characterized in that: the lower die is sequentially provided with a plurality of large-bending lower inserts and small-bending lower inserts arranged at the rear ends of the large-bending lower inserts in the product transmission direction, the surfaces of the large-bending lower inserts and the small-bending lower inserts are inclined surfaces, the upper die is provided with a tilting convex die capable of being horizontally moved and obliquely arranged on the upper die, a convex die guide insert corresponding to the large-bending lower inserts and a small-bending upper insert corresponding to the small-bending lower inserts are arranged on the stripper plate, the convex die guide insert is provided with a guide hole which is obliquely arranged, the lower opening of the guide hole is opposite to the inclined surface of the large-bending lower inserts, the tilting convex die is arranged in the guide hole in a penetrating manner, the bottom surface of the tilting convex die is matched with the inclined surface of the large-bending lower inserts, and the bottom surface of the small-bending upper inserts is matched with the inclined surface of the small-bending lower inserts. Has the characteristic of good bending forming.

Description

Continuous mould for bending and forming glasses box cover

Technical Field

The utility model relates to a technology of bending with radian product, concretely relates to glasses box cover is bent shaping continuous die.

Background

As shown in fig. 1, the glasses case cover product 100 has a large curved arc 1001 with a large radian and a small curved arc 1002 with a small radian, and meanwhile, because the curved radius ratio of the curved surface of the product part is large and there are two curved surfaces with (even more) curved radii, if one-step processing molding is performed, a reset phenomenon occurs in the processing process due to the elastic influence of the material, so that the molding size is difficult to control.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a glasses box cover bending forming continuous die can effectively solve above-mentioned problem.

In order to achieve the above purpose, the utility model provides a technical scheme as follows:

a continuous mould for bending and forming a cover of an eyeglass box is provided, a product is provided with a large bending arc with increased radian and a small bending arc with smaller radian, the mould comprises an upper mould, a lower mould and a stripper plate positioned between the upper mould and the lower mould, the lower mould is sequentially provided with a plurality of large bending lower inserts and small bending lower inserts arranged at the rear ends of the large bending lower inserts in the product transmission direction, the surfaces of the large bending lower inserts and the small bending lower inserts are inclined surfaces, the upper mould is provided with a tilting convex mould which can be horizontally moved and obliquely arranged on the upper mould, the stripper plate is provided with a convex mould guiding insert corresponding to the large bending lower inserts and a small bending upper insert corresponding to the small bending lower inserts, the convex mould guiding insert is provided with an obliquely arranged guide hole, the lower opening of the guide hole is opposite to the inclined surface of the large bending lower inserts, the tilting convex mould is arranged in the guide hole in a penetrating way, and the bottom surface of the tilting convex mould is matched with the inclined surface of the large bending lower inserts, the bottom surface of the small bending upper insert is matched with the inclined surface of the small bending lower insert.

Furthermore, the inclined surface of the large bending lower insert is formed by a plurality of inclined sections with certain angles.

Furthermore, the inclined surface of the large-bending lower insert consists of a first inclined section at the front end and a second inclined section at the rear end of the first inclined section, the first inclined section and the second inclined section are both inclined downwards, and the inclination angle of the second inclined section is larger than that of the first inclined section.

Furthermore, the inclined moving male die comprises a male die section and a bending section, the male die section is connected with the upper die, the bending section is detachably assembled at the tail end of the male die section, and the bending section is provided with a bottom surface matched with the inclined surface of the large-bending lower insert.

Furthermore, the lower die is also provided with a material lifting block capable of being lifted automatically.

Furthermore, the upper surface of stripper still is fixed with a limiting plate, set up the hole of stepping down that supplies oblique moving punch to wear to establish on the limiting plate.

Through the utility model provides a technical scheme has following beneficial effect:

this scheme adopts a plurality of big curved mold inserts of beating and moves the mode that the terrace die cooperation realizes the segmentation and beats the curve gradually shaping. By improving the bending form of the product, the difficulty that the forming size of the product is not easy to guarantee due to large bending radius is reduced, and the requirement on the shape and the size of the product is guaranteed. Meanwhile, the bending effect is better due to the inclined stamping of the inclined moving male die.

Drawings

FIG. 1 is a schematic view of a lens cap product;

FIG. 2 is a schematic structural view of a continuous mold for bending and molding a cover of a glasses case in an open state according to an embodiment;

FIG. 3 is a partially enlarged view of a continuous mold for bending and molding a cover of a glasses case in an open state according to an embodiment;

fig. 4 is a schematic structural view of the continuous mold for bending and molding the cover of the glasses case in the embodiment in a mold closing state.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Referring to fig. 2 to 4, the present embodiment provides a continuous mold for bending and molding a cover of a glasses case, which is intended to complete a product 100 as shown in fig. 1, and includes an upper mold, a lower mold, and a stripper plate 301 located between the upper mold and the lower mold, wherein a material plate 2 to be processed is integrated on one strip 1 and is transferred from a front end of the mold to a rear end of the mold, as viewed from left to right in fig. 2. Specifically, the lower mold includes a lower mold plate 201, a lower backing plate 202 and a cavity plate 203, which are stacked in sequence from bottom to top, but is not limited thereto in other embodiments.

The lower die is sequentially provided with three large bending lower inserts 21 and small bending lower inserts 22 arranged at the rear ends of the three large bending lower inserts 21 in the product conveying direction, and the surfaces of the large bending lower inserts 21 and the small bending lower inserts 22 are inclined surfaces.

Specifically, the upper mold includes an upper mold plate 101, an upper backing plate 102 and an upper fixing plate 103, which are stacked in sequence from top to bottom, but is not limited thereto in other embodiments. The upper die is provided with an oblique moving male die 11 which can be horizontally moved and obliquely arranged on the upper die, the three oblique moving male dies 11 are also arranged in the embodiment, a sliding groove for allowing the oblique moving male dies 11 to slide is formed in the upper fixing plate 103, and the oblique moving male dies 11 can be assembled on the sliding groove in a sliding manner.

The stripper plate 301 is provided with a punch guide insert 32 corresponding to the large-bending lower insert 21 and a small-bending upper insert 31 corresponding to the small-bending lower insert 22, that is, three punch guide inserts 32 and one small-bending upper insert 31. The punch guide insert 32 is provided with a guide hole 321 which is obliquely arranged, a lower opening of the guide hole 321 faces an inclined surface of the large-bending lower insert 21, the tilting punch 11 is arranged in the guide hole 321 in a penetrating manner, the bottom surface of the tilting punch 11 is matched with the inclined surface of the large-bending lower insert 21, and the bottom surface of the small-bending upper insert 31 is matched with the inclined surface of the small-bending lower insert 22.

During operation, the strip 1 is driven by the driving mechanism, the material plate 2 is aligned with the first large bending lower insert 21 (namely, the first left side), the stripper plate 301 is driven by the machine tool to move downwards to press the strip 1, then the upper die is continuously pressed downwards, and the first left tilting male die 11 is obliquely pressed downwards under the guiding action of the guide hole 321 to perform first bending; after the separation is finished, the strip 1 is conveyed continuously until the first bent material plate 2 is aligned with the second large bent insert 21, the discharge plate 301 is driven by the machine tool to move downwards to press the strip 1, then the upper die is pressed continuously, and the second tilting convex die 11 is inclined downwards to punch under the guiding action of the guide hole 321 to perform second bending; and repeating the actions to enable the material plate 2 bent for the second time to be aligned to the third large bending lower insert 21 for third bending, thereby finishing the processing of the large bending arc. And finally, the material plate 2 is conveyed to the aligned small-bending lower insert 22, the discharge plate 301 is driven by a machine tool to move downwards, the small-bending upper insert 31 is pressed on the material plate 2 while the strip 1 is pressed, the small-bending arc is formed, and the product is formed by bending. This scheme adopts three big curved mold insert 21 of beating and moves the mode that the terrace die 11 cooperation realizes the segmentation and bends gradually the shaping. By improving the bending form of the product, the difficulty that the forming size of the product is not easy to guarantee due to large bending radius is reduced, and the requirement on the shape and the size of the product is guaranteed. Meanwhile, the bending effect is better due to the inclined stamping of the inclined male die 11.

Of course, in other embodiments, the number of the matching structures of the large-bending lower insert 21 and the tilting punch 11 is not limited to three, and may be two or more than three.

Further, in this embodiment, the inclined surface of the largely bent lower insert 21 is formed by a plurality of inclined sections with a certain angle, and in this embodiment, the inclined surface is formed by two inclined sections, which are a first inclined section (not shown) and a second inclined section (not shown) located at the rear end of the first inclined section, the first inclined section and the second inclined section are both inclined downwards, and the inclination angle of the second inclined section is greater than that of the first inclined section, so that the first inclined section and the second inclined section are arranged with a certain angle. So, the product that prevents that can be fine resumes deformation, the structure keeps better. Of course, in other embodiments, this is not limiting. Of course, in other embodiments, the number of the inclined sections of the inclined surface of the large-turning insert piece 21 may be three or more, and the like.

Further, in this embodiment, the tilting male die 11 includes a male die section 111 and a bending section 112, the male die section 111 is connected to the upper die, the bending section 112 is detachably mounted at the end of the male die section 111, and the bending section 112 has a bottom surface adapted to the inclined surface of the large-bending insert 21, so that when the tilting male die 11 is replaced, the entire tilting male die 11 does not need to be detached, and only the bending section 112 needs to be detached for replacement, which is more convenient to operate. Of course, in other embodiments, this is not limiting.

Further, in this embodiment, the lower die is further provided with a material lifting block 23 capable of being lifted automatically, when the die is closed, the material lifting block 23 moves downwards under the pressure of the stripper plate 301 to give way, when the die is opened, the material lifting block 23 loses pressure and is lifted automatically, and the strip 1 is driven to be lifted, so that the operation effect is better. Specifically, the material lifting block 23 capable of automatically lifting is structured such that a spring is arranged at the bottom of the material lifting block 23, and the automatic lifting is easy to realize. Of course, in other embodiments, this is not limiting.

Further, in this embodiment, a limiting plate 302 is further fixed on the upper surface of the discharging plate 301, and is connected to the machine tool through the limiting plate 302, and a yielding hole (not shown) for the oblique moving punch 11 to penetrate is formed in the limiting plate 302. Of course, in other embodiments, this is not limiting.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a glasses box cover continuous mould of shaping of bending, the product has the great big camber of radian and the less little camber of radian, and the mould includes mould, lower mould and is located mould and lower mould between stripper, its characterized in that: the lower die is sequentially provided with a plurality of large-bending lower inserts and small-bending lower inserts arranged at the rear ends of the plurality of large-bending lower inserts in the product transmission direction, the surfaces of the large-bending lower inserts and the small-bending lower inserts are inclined surfaces, the upper die is provided with a tilting convex die capable of being horizontally moved and obliquely arranged on the upper die, the stripper plate is provided with a convex die guiding insert corresponding to the large-bending lower insert and a small-bending upper insert corresponding to the small-bending lower insert, the convex die guiding insert is provided with a guide hole obliquely arranged, a lower opening of the guide hole is opposite to the inclined surface of the large-bending lower insert, the tilting convex die is arranged in the guide hole in a penetrating manner, the bottom surface of the tilting convex die is matched with the inclined surface of the large-bending lower insert, and the bottom surface of the small-bending upper insert is matched with the inclined surface of the small-bending lower insert.

2. The progressive mold for bending and molding a cover for a glasses case according to claim 1, wherein: the inclined surface of the large bending lower insert is formed by a plurality of inclined sections with certain angles.

3. The progressive mold for bending and molding a cover for a glasses case according to claim 2, wherein: the inclined surface of the large-bending lower insert consists of a first inclined section positioned at the front end and a second inclined section positioned at the rear end of the first inclined section, the first inclined section and the second inclined section are both inclined downwards, and the inclination angle of the second inclined section is larger than that of the first inclined section.

4. The progressive mold for bending and molding a cover for a glasses case according to claim 1, wherein: the inclined moving male die comprises a male die section and a bending section, the male die section is connected with the upper die, the bending section is detachably assembled at the tail end of the male die section, and the bending section is provided with a bottom surface matched with the inclined surface of the large-bending lower insert.

5. The progressive mold for bending and molding a cover for a glasses case according to claim 1, wherein: the lower die is also provided with a material lifting block capable of being lifted automatically.

6. The progressive mold for bending and molding a cover for a glasses case according to claim 1, wherein: the upper surface of stripper still is fixed with a limiting plate, set up the hole of stepping down that supplies oblique moving punch to wear to establish on the limiting plate.