CN211990426U

CN211990426U - Liquid crystal display backboard stamping die

Info

Publication number: CN211990426U
Application number: CN202020375259.5U
Authority: CN
Inventors: 陈佳华; 邹开援
Original assignee: Suzhou Zeyu Technology Co ltd
Current assignee: Suzhou Zeyu Technology Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-11-24
Anticipated expiration: 2030-03-23

Abstract

The utility model discloses a LCD backplate stamping die relates to backplate processing technology field, for solving current stamping die and accomplish the back in the backplate suppression, need manual the unloading to stack, the lower problem of efficiency. The die comprises an upper die base, a die shank is installed at the upper end of the upper die base, a male die fixing plate is arranged on the lower surface of the upper die base, a male die plate is installed on the lower surface of the male die fixing plate, a lower die base is arranged below the upper die base, guide pillars are installed between the lower die base and the upper die base and are four, a female die fixing plate is arranged on the upper surface of the lower die base, a female die plate is installed on the upper surface of the female die fixing plate, one end of the female die fixing plate is rotatably connected with the lower die base through a rotating shaft base, supporting legs are installed below the lower die base and are four, and a nitrogen spring.

Description

Liquid crystal display backboard stamping die

Technical Field

The utility model relates to a backplate processing technology field specifically is a LCD backplate stamping die.

Background

The die is a tool for forming a blank into a product with a specific shape and size under the action of external force. The method is widely applied to blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like. The die has a specific contour or cavity shape, and the blank can be separated (blanked) according to the contour shape by applying the contour shape with the cutting edge. The blank can obtain a corresponding three-dimensional shape by using the shape of the inner cavity. The mold generally comprises a movable mold and a fixed mold (or a male mold and a female mold), which can be separated or combined. When the blank is closed, the blank is injected into the die cavity for forming. The die is a precise tool, has a complex shape, bears the expansion force of a blank, has higher requirements on structural strength, rigidity, surface hardness, surface roughness and processing precision, and the development level of die production is one of important marks of the mechanical manufacturing level.

However, the existing stamping die needs to be manually unloaded and stacked after the back plate is pressed, so that the efficiency is low; therefore, the existing requirements are not met, and a liquid crystal display backboard stamping die is provided for the existing requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LCD backplate stamping die to the current stamping die who provides in solving above-mentioned background art needs manual unloading to stack, the lower problem of efficiency after the backplate suppression is accomplished.

In order to achieve the above object, the utility model provides a following technical scheme: a stamping die for a backboard of a liquid crystal display comprises an upper die holder, wherein a die handle is installed at the upper end of the upper die holder, a punch plate is arranged on the lower surface of the upper die holder, a punch plate is installed on the lower surface of the punch plate, a lower die holder is arranged below the upper die holder, four guide columns are installed between the lower die holder and the upper die holder, a female die plate is installed on the upper surface of the lower die holder, a female die plate is installed on the upper surface of the female die plate, one end of the female die plate is rotatably connected with the lower die holder through a rotating shaft holder, four support legs are installed below the lower die holder, a nitrogen spring is installed inside the lower die holder, an air cylinder is installed at one end of the lower surface of the lower die holder, a pneumatic telescopic rod is arranged at the output end of the air cylinder, and, the stacking box is fixedly connected with the supporting legs through the bracket.

Preferably, the number of the nitrogen springs is two, and one ends of the two nitrogen springs penetrate through the die fixing plate and extend into the die plate.

Preferably, one end of the pneumatic telescopic rod penetrates through and extends into the lower die base, and is fixedly connected with the lower surface of the female die fixing plate.

Preferably, a ramp is arranged on one side of the female die fixing plate, and the ramp and the lower die holder are of an integral structure.

Preferably, a spongy cushion is arranged on the inner wall of the stacking box, and a pulley is arranged on one side of the inner wall of the stacking box.

Preferably, the male die plate and the female die plate are in threaded connection with the male die fixing plate and the female die fixing plate respectively through screws.

Preferably, one end of the guide pillar penetrates through and extends into the upper die holder, and a guide sleeve is arranged at the joint of the guide pillar and the upper die holder.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an one end at die fixing plate sets up the pivot seat, and other end bottom is fixed with the cylinder telescopic link, finishes the back at the backplate drawing of patterns, and pneumatic telescopic link can make its slope with die fixing plate along the rotatory jack-up of pivot seat, lets the backplate along the side landing, via the ramp transition back, enters into the box that stacks of die holder one side, need not manual unloading and piles up, has effectively improved work efficiency.

2. The pulley is arranged on one side of the inner wall of the stacking box, so that the pulley can assist the back plates to smoothly slide to the bottom of the stacking box when the back plates enter the stacking box, the back plates are prevented from being inclined and stacked to occupy more space, and the sponge cushions are arranged on the inner wall of the stacking box, so that the back plates can be prevented from being scraped and rubbed when entering the stacking box.

3. Through set up two nitrogen gas springs in the die holder, compare with conventional demoulding mechanism, two nitrogen gas springs can follow two loci and to the backplate application of force, make its atress more balanced, lead to the backplate to damage the deformation when avoiding the drawing of patterns.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the unloading state structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the stacking box of the present invention;

in the figure: 1. an upper die holder; 2. a die shank; 3. a guide post; 4. a guide sleeve; 5. a lower die holder; 6. supporting legs; 7. a cylinder; 8. stacking the boxes; 801. a sponge cushion; 802. a pulley; 9. a support; 10. a male die fixing plate; 11. a convex template; 12. fixing a female die plate; 13. a cavity plate; 14. a screw; 15. a rotating shaft seat; 16. a ramp; 17. a nitrogen spring; 18. pneumatic telescopic link.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a liquid crystal display backboard stamping die comprises an upper die holder 1, a die handle 2 is installed at the upper end of the upper die holder 1, a punch plate 10 is arranged on the lower surface of the upper die holder 1, a punch plate 11 is installed on the lower surface of the punch plate 10, a lower die holder 5 is arranged below the upper die holder 1, guide pillars 3 are installed between the lower die holder 5 and the upper die holder 1, four guide pillars 3 are arranged, a female die fixing plate 12 is arranged on the upper surface of the lower die holder 5, a female die plate 13 is installed on the upper surface of the female die fixing plate 12, one end of the female die fixing plate 12 is rotatably connected with the lower die holder 5 through a rotating shaft holder 15, supporting legs 6 are installed below the lower die holder 5, four supporting legs 6 are arranged, a nitrogen spring 17 is installed inside the lower die holder 5, an air cylinder 7 is installed at one end of the lower surface of the lower die holder 5, the stacking box 8 is fixedly connected with the supporting legs 6 through the brackets 9.

Further, nitrogen spring 17 is provided with two, and the one end of two nitrogen spring 17 all runs through cavity die fixing plate 12 and extends to the inside of cavity die plate 13, and the back plate punching press finishes the back, can fill into nitrogen gas in nitrogen spring 17, makes it ejecting with the back plate in the cavity die plate 13, accomplishes drawing of patterns work, sets up two nitrogen spring 17, can follow two loci and to the backplate application of force, makes its atress more balanced, leads to the backplate to damage the deformation when avoiding the drawing of patterns.

Further, the one end of pneumatic telescopic rod 18 runs through and extends to the inside of die holder 5, and is connected with the lower fixed surface of die fixing plate 12, and pneumatic telescopic rod 18 can be through flexible rotatory jack-up of die fixing plate 12 along pivot seat 15, makes its slope, lets the backplate along the landing of side.

Further, a ramp 16 is arranged on one side of the die fixing plate 12, the ramp 16 and the lower die holder 5 are of an integral structure, and the ramp 16 can enable the sliding back plate to be transited into the stacking box 8.

Further, a sponge cushion 801 is arranged on the inner wall of the stacking box 8, a pulley 802 is arranged on one side of the inner wall of the stacking box 8, the sponge cushion 801 on the inner wall of the stacking box 8 can prevent the back plate from being scratched when entering the stacking box 8, and the pulley 802 on one side of the inner wall can assist the back plate to smoothly slide to the bottom of the stacking box 8 when entering the stacking box 8, so that more space is prevented from being occupied by inclined stacking.

Further, the male die plate 11 and the female die plate 13 are in threaded connection with the male die fixing plate 10 and the female die fixing plate 12 through screws 14, so that the assembly and disassembly are simple, and the corresponding die plates can be replaced conveniently according to the specifications of the processed back plate.

Further, one end of the guide pillar 3 penetrates through and extends into the upper die holder 1, a guide sleeve 4 is installed at the joint of the guide pillar 3 and the upper die holder 1, the guide sleeve 4 plays a role in supporting and guiding the guide pillar 3 to stretch, and the pressing process of the upper die and the lower die can be more stable.

The working principle is as follows: when the die holder is used, the die handle 2 of the stamping die is connected with a punch slide block of a press, then a metal plate to be processed is placed in the concave die plate 13, the press is started to drive the upper die holder 1 to be pressed with the lower die holder 5, after the back plate is stamped, nitrogen is filled into the nitrogen spring 17 to eject the back plate in the concave die plate 13, the demoulding operation is completed, after the nitrogen spring 17 is reset, the air cylinder 7 is started, the pneumatic telescopic rod 18 of the air cylinder 7 rotates and ejects the concave die fixing plate 12 along the rotating shaft seat 15 to incline the back plate, the back plate slides along the side surface, the back plate enters the stacking box 8 at one side of the lower die holder 5 after being transited by the ramp 16, the pulley 802 is arranged at one side of the inner wall of the stacking box 8, the back plate can be assisted to smoothly slide to the bottom of the stacking box 8 when entering the stacking box 8, the inclined stacking box is prevented from occupying more space, and a worker does not, the working efficiency is effectively improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a LCD backplate stamping die, includes upper die base (1), its characterized in that: the die comprises an upper die holder (1), a die handle (2) and four guide posts (3), wherein a punch plate (10) is arranged on the lower surface of the upper die holder (1), a punch plate (11) is arranged on the lower surface of the punch plate (10), a lower die holder (5) is arranged below the upper die holder (1), the guide posts (3) are arranged between the lower die holder (5) and the upper die holder (1), the number of the guide posts (3) is four, a female die fixing plate (12) is arranged on the upper surface of the lower die holder (5), a female die plate (13) is arranged on the upper surface of the female die fixing plate (12), one end of the female die fixing plate (12) is rotatably connected with the lower die holder (5) through a rotating shaft seat (15), the number of the support legs (6) is arranged below the lower die holder (5), the number of the support legs (6) is four, and a, cylinder (7) are installed to the one end of lower die holder (5) lower surface, be provided with pneumatic telescopic link (18) on the output of cylinder (7), one side of lower die holder (5) is provided with stacks box (8), stack box (8) pass through support (9) and supporting leg (6) fixed connection.

2. The lcd backplane punching die of claim 1, wherein: the number of the nitrogen springs (17) is two, and one ends of the two nitrogen springs (17) penetrate through the female die fixing plate (12) and extend to the inner portion of the female die plate (13).

3. The lcd backplane punching die of claim 1, wherein: one end of the pneumatic telescopic rod (18) penetrates through and extends into the lower die holder (5), and is fixedly connected with the lower surface of the female die fixing plate (12).

4. The lcd backplane punching die of claim 1, wherein: a ramp (16) is arranged on one side of the female die fixing plate (12), and the ramp (16) and the lower die holder (5) are of an integral structure.

5. The lcd backplane punching die of claim 1, wherein: a sponge cushion (801) is arranged on the inner wall of the stacking box (8), and a pulley (802) is installed on one side of the inner wall of the stacking box (8).

6. The lcd backplane punching die of claim 1, wherein: the male die plate (11) and the female die plate (13) are in threaded connection with the male die fixing plate (10) and the female die fixing plate (12) through screws (14) respectively.

7. The lcd backplane punching die of claim 1, wherein: one end of the guide post (3) penetrates through and extends into the upper die holder (1), and a guide sleeve (4) is arranged at the joint of the guide post and the upper die holder (1).