CN219464519U

CN219464519U - Display backboard stamping die

Info

Publication number: CN219464519U
Application number: CN202320202395.8U
Authority: CN
Inventors: 吴志高
Original assignee: Suzhou Changsui Precision Electronics Co ltd
Current assignee: Suzhou Changsui Precision Electronics Co ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-08-04
Anticipated expiration: 2033-02-14

Abstract

The utility model discloses a display backboard stamping die which comprises a lower die holder, an upper die plate, a base plate and an upper die holder, wherein a plurality of upper die vertical punches are arranged at the bottom end of the base plate; the stripper plate is installed to the cope match-plate pattern bottom, the cope match-plate pattern is located three sides and the two corners that three sides formed in the stripper plate outside all install the draw runner, and slidable mounting has outside to slide to drift and inboard slip drift on the draw runner of three sides, the cope match-plate pattern is located the outside of outside to slide to the drift and installs the side dog. According to the utility model, the outer sliding punch moves inwards, the inner sliding punch moves outwards, the plates are mutually extruded to be Z-shaped, and the plate is formed and then is retracted for resetting; the upper die moves downwards vertically to the punch, the lower die is pushed into a limited height, and the Z-shaped plate is pressed downwards to form a semi-finished product as shown in figure 6; and then the upper punching block and the side punching block of the secondary punching die are matched with each other to punch the semi-finished product, so that the product shown in fig. 12 can be obtained.

Description

Display backboard stamping die

Technical Field

The utility model relates to the technical field of display backboard stamping, in particular to a display backboard stamping die.

Background

Flat panel displays are a fast-growing technology in recent years, and have many advantages: thin and light, low voltage, no X-ray radiation, no flicker and shake, no static electricity generation, long service life, etc., flat panel displays are used in military and civil fields. Along with the trend of thinning and thinning products, the market has put higher and higher demands on the thinness of flat panel displays, and ultrathin flat panel displays are generated. The back plate is an important part of an ultrathin flat panel display, and the four peripheral folded edges of the back plate are thinner due to the fact that the material is thinner, and high requirements on dimensional accuracy and torsion resistance are achieved.

As shown in fig. 6, which is a semi-finished product to be processed by the equipment of the present application, and fig. 12 is a finished product processed by the equipment of the present application; the existing stamping die is difficult to control the dimensional accuracy and the flatness, and the height of the plane after inward folding is difficult to control.

Disclosure of Invention

The utility model aims to provide a display backboard stamping die which is used for solving the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the display backboard stamping die comprises a lower die holder, an upper die plate, a base plate and an upper die holder, wherein a plurality of upper die vertical punches are arranged at the bottom end of the base plate; the upper die plate is positioned at the outer side of the outer sliding punch and is provided with a side limit stop block, a reset spring is arranged between the side limit stop block and the outer sliding punch, and a reset spring is arranged between the inner sliding punch and the stripper plate; the sliding strips at the two corners are provided with a second base piece and a third base piece in a sliding manner, the upper die plate is positioned at the outer side of the third base piece and is provided with a corner stop block, and the sliding strip of the stripper plate at the corners is provided with a first base piece; a return spring is disposed between the third base member and the corner stop.

Preferably, the sliding bar adopts an inverted T-shaped sliding bar.

Preferably, an upper die vertical punch for driving the inner side sliding punch is mounted on the upper die plate, an upper die vertical punch for driving the outer side sliding punch is mounted on the upper die plate, and an upper die vertical punch for driving the third base member is mounted on the upper die plate.

Preferably, a side surface of the lower part of the upper die vertical punch is provided with an inclined structure, and the width of the bottom end of the upper die vertical punch is smaller than that of the upper end of the upper die vertical punch.

Preferably, one end of the outer sliding punch is located between the second base member and the third base member, and the outer sliding punch is located at the third base member and is provided as an inclined surface.

Preferably, the structure of the outer sliding punch and the inner sliding punch which are matched with each other is the same as the shape of the display backboard.

Preferably, the secondary stamping die is further comprised, and comprises an upper stamping block and a side stamping block which are matched with each other to stamp the product.

Compared with the prior art, the utility model has the beneficial effects that: the outer side slides inwards to move towards the punch, the inner side slides outwards to press the plate material to a Z shape, and the plate material is formed and then is retracted to reset; the upper die moves downwards vertically to the punch, the lower die is pushed into a limited height, and the Z-shaped plate is pressed downwards to form a semi-finished product as shown in figure 6; then the upper punching block and the side punching block of the secondary punching die are matched with each other to punch the semi-finished product, and the product shown in fig. 12 can be obtained; through the cooperation of the two dies, the dimensional accuracy and the flatness of the product can be well controlled, and the height control of the plane after the inward folding is relatively simple.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the present utility model from another perspective of FIG. 1;

FIG. 3 is a schematic view of the portion of FIG. 1 according to the present utility model;

FIG. 4 is a schematic view of the structure of the present utility model with the upper die plate, backing plate and upper die holder removed;

FIG. 5 is a schematic view of the structure of FIG. 4 from another perspective in accordance with the present utility model;

FIG. 6 is a schematic diagram of a structure of a product after one-time stamping according to the present utility model;

FIG. 7 is a schematic view of a secondary stamping die of the present utility model;

FIG. 8 is a schematic view of the portion of FIG. 7 in accordance with the present utility model;

FIG. 9 is a top view of FIG. 8 in accordance with the present utility model;

FIG. 10 is a cross-sectional view of FIG. 9 in accordance with the present utility model;

FIG. 11 is a schematic view of a portion of the structure of FIG. 8 in accordance with the present utility model;

fig. 12 is a schematic view of the structure of the product after the secondary stamping of the present utility model.

In the figure: 1. the outer side slides to the punch; 2. an inner sliding punch; 3. removing the plate; 4. a first base member; 5. a second base member; 6. a slide bar; 7. a third base member; 8. corner stops; 9. a side stop; 10. an upper die vertical punch; 11. a lower die holder; 12. an upper template; 13. a backing plate; 14. an upper die holder; 20. a secondary stamping die; 201. an upper punching block; 202. and (5) side punching a pressing block.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Referring to fig. 1-6, in an embodiment of the present utility model, a display backboard stamping die includes a lower die holder 11, an upper die plate 12, a backing plate 13, and an upper die holder 14, wherein a plurality of upper die vertical punches 10 are installed at the bottom end of the backing plate 13; the bottom end of the upper die plate 12 is provided with a stripper plate 3, sliding strips 6 are arranged at three sides of the upper die plate 12 positioned outside the stripper plate 3 and two corners formed by the three sides, an outer sliding punch 1 and an inner sliding punch 2 are slidably arranged on the sliding strips 6 of the three sides, the upper die plate 12 is positioned outside the outer sliding punch 1 and provided with a side limit stop 9, a return spring is arranged between the side limit stop 9 and the outer sliding punch 1, and a return spring is arranged between the inner sliding punch 2 and the stripper plate 3; the sliding strips 6 at the two corners are slidably provided with a second base piece 5 and a third base piece 7, the upper template 12 is positioned outside the third base piece 7 and is provided with a corner stop block 8, and the sliding strip 6 of the stripper plate 3 at the corners is provided with a first base piece 4; a return spring is arranged between the third base piece 7 and the corner block 8; the sliding bar 6 adopts an inverted T-shaped sliding bar (the sliding groove of the outer sliding punch 1 is matched with the inverted T-shaped sliding bar); an upper die vertical punch 10 for driving the inner side sliding punch 2 is mounted on the upper die plate 12, an upper die vertical punch 10 for driving the outer side sliding punch 1 is mounted on the upper die plate 12, and an upper die vertical punch 10 for driving the third base member 7 is mounted on the upper die plate 12; a side surface of the lower part of the upper die vertical punch 10 is provided with an inclined structure, and the width of the bottom end of the upper die vertical punch 10 is smaller than that of the upper end of the upper die vertical punch 10; one end of the outer sliding punch 1 is positioned between the second base piece 5 and the third base piece 7, and the position of the outer sliding punch 1 at the third base piece 7 is provided with an inclined surface; the structure of the outer sliding punch 1 and the inner sliding punch 2 which are matched with each other is the same as the shape of the display backboard; the outer side slides inwards to move towards the punch, the inner side slides outwards to press the plate material to a Z shape, and the plate material is formed and then is retracted to reset; the upper die moves downwards vertically to the punch, the lower die is pushed into a limited height to press the Z-shaped plate downwards, and finally the Z-shaped plate is formed into a graph 6;

the secondary stamping die 20 comprises an upper stamping block 201 and a side stamping block 202, the upper stamping block 201 and the side stamping block 202 are matched with each other to stamp a product, and the product of fig. 6 is extruded in a matched manner, so that the product of fig. 12 can be obtained.

The working principle of the utility model is as follows: the outer side slides inwards to move towards the punch, the inner side slides outwards to press the plate material to a Z shape, and the plate material is formed and then is retracted to reset; the upper die moves downwards vertically to the punch, the lower die is pushed into a limited height, the Z-shaped plate is pressed downwards to be finally formed into a product in fig. 6, and the upper punching block 201 and the side punching block 202 of the secondary punching die are matched with each other to punch the product, and the product in fig. 6 is matched with the product to be extruded, so that the product in fig. 12 can be obtained.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a display backplate stamping die, includes die holder (11), cope match-plate pattern (12), backing plate (13) and upper die holder (14), its characterized in that: a plurality of upper die vertical punches (10) are arranged at the bottom end of the base plate (13);

the upper die plate (12) is characterized in that the stripper plate (3) is arranged at the bottom end of the upper die plate (12), sliding strips (6) are arranged at three sides of the outer side of the stripper plate (3) and two corners formed by the three sides, an outer sliding punch (1) and an inner sliding punch (2) are slidably arranged on the sliding strips (6) of the three sides, a side limit stop block (9) is arranged on the outer side of the upper die plate (12) and positioned on the outer side of the outer sliding punch (1), a reset spring is arranged between the side limit stop block (9) and the outer sliding punch (1), and a reset spring is arranged between the inner sliding punch (2) and the stripper plate (3);

the sliding strips (6) at the two corners are slidably provided with a second base piece (5) and a third base piece (7), the outer side of the upper template (12) positioned on the third base piece (7) is provided with a corner stop block (8), and the sliding strip (6) of the stripper plate (3) positioned at the corners is provided with a first base piece (4); a return spring is arranged between the third base piece (7) and the corner stop block (8).

2. The display back plate stamping die of claim 1, wherein: the sliding strip (6) adopts an inverted T-shaped sliding strip (6).

3. The display back plate stamping die of claim 1, wherein: an upper die vertical punch (10) for driving the inner side sliding punch (2) is mounted on the upper die plate (12), an upper die vertical punch (10) for driving the outer side sliding punch (1) is mounted on the upper die plate (12), and an upper die vertical punch (10) for driving the third base member (7) is mounted on the upper die plate (12).

4. A display back plate stamping die according to claim 1 or 3, characterized in that: one side of the lower part of the upper die vertical punch (10) is provided with an inclined structure, and the width of the bottom end of the upper die vertical punch (10) is smaller than that of the upper end of the upper die vertical punch (10).

5. The display back plate stamping die of claim 1, wherein: one end of the outer sliding punch (1) is located between the second base piece (5) and the third base piece (7), and the outer sliding punch (1) is located at the third base piece (7) and is arranged to be an inclined surface.

6. The display back plate stamping die of claim 1, wherein: the structure of the outer sliding punch (1) and the inner sliding punch (2) which are matched with each other is the same as the shape of the display backboard.

7. The display back plate stamping die of claim 1, wherein: the secondary stamping die (20) comprises an upper stamping block (201) and a side stamping block (202), and the upper stamping block (201) and the side stamping block (202) are matched with each other to stamp a product.