CN217941589U

CN217941589U - Stamping die of LED display backplate convex hull structure

Info

Publication number: CN217941589U
Application number: CN202221932511.3U
Authority: CN
Inventors: 魏宏淮
Original assignee: Suzhou Dawei Mould Technology Co ltd
Current assignee: Suzhou Dawei Mould Technology Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-12-02
Anticipated expiration: 2032-07-26

Abstract

The utility model discloses a stamping die of a convex hull structure of a LED display backboard, which relates to the technical field of display backboard processing, and comprises a lower female die and a punch component positioned above the lower female die, wherein the middle part of the lower female die is recessed downwards to form a hollow convex hull cavity, and the middle part of the lower female die is recessed downwards outside the convex hull cavity to form an annular groove; wherein, the drift subassembly includes the fixing base, fixing base lower extreme middle part fixedly connected with punching press pole, punching press pole lower extreme fixedly connected with convex closure drift, the shape and the convex closure shape looks adaptation of convex closure die cavity and convex closure drift, fixing base lower extreme periphery surface slip cover is equipped with the press channel drift cover. The utility model has the advantages that: adopt neotype indent drift cover structure cooperation annular groove, go out the indent structure in the synchronous punching press of the border position department of convex closure structure, can effectual isolated convex closure stamping forming in-process stress, the effectual roughness of having guaranteed the backplate, the improvement that is showing the processing yield of backplate.

Description

Stamping die of LED display backplate convex hull structure

Technical Field

The utility model relates to a display backplate processing technology field specifically is a stamping die who relates to a LED display backplate convex hull structure.

Background

In the assembly structure of the LED display, the back plate and other accessories are usually connected by the upper plate and the lower plate to increase the heat dissipation area of the display, and a certain space is required between the two plates, so that a plurality of convex hull structures with different heights need to be arranged between the two plates, and the convex hull structure of the back plate is usually formed by stamping.

Along with the development of display technology, LED displays are increasingly light and thin, the back plate is also increasingly light and thin to match with the LED displays, aluminum materials are adopted in one direction, but the thinner the materials, the easier stress accumulation is generated in the process of convex hull stamping, so that the back plate is distorted and deformed, the flatness is poor, and the assembly of display components is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the technical scheme solves the problems that the LED display is more and more light and thin along with the development of the display technology, the backboard is also made to be more and more light and thin in a matched mode, aluminum materials are adopted in one direction, but due to the fact that the materials are more and more light and thin, stress accumulation is easy to generate in the convex hull punching process to cause distortion and deformation of the backboard, flatness is poor, and assembly of a display assembly is influenced.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a stamping die of a convex hull structure of a back plate of an LED display comprises a lower female die and a punch assembly positioned above the lower female die, wherein the middle part of the lower female die is recessed downwards to form a hollow convex hull cavity, and the middle part of the lower female die is recessed downwards at the outer side of the convex hull cavity to form an annular groove;

wherein, the drift subassembly includes the fixing base, fixing base lower extreme middle part fixedly connected with punching press pole, punching press pole lower extreme fixedly connected with convex closure drift, the shape and the convex closure shape looks adaptation of convex closure die cavity and convex closure drift, fixing base lower extreme peripheral surface slip cover is equipped with presses ditch punch head cover.

Preferably, the lower end of the groove pressing punch sleeve is fixedly connected with a groove pressing punch, and the groove pressing punch is matched with the annular groove in shape.

Preferably, the peripheral surface of the upper end of the stamping rod is sleeved with a channel pressing spring, and two ends of the channel pressing spring are connected with the lower end face of the fixing seat and the upper end face of the channel pressing punch sleeve respectively.

Preferably, a clamping groove is formed in one side of the outer peripheral surface of the stamping rod, a locking buckle is connected to the inside of the clamping groove in a sliding mode, the front end of the locking buckle extends to the outer side of the stamping rod, a locking clamping groove is formed in the position, corresponding to the locking buckle, of the inner peripheral surface of the channel stamping head sleeve, and one end, extending to the outer side of the stamping rod, of the locking buckle is clamped inside the locking clamping groove.

Preferably, a locking spring is arranged on the rear side inside the buckle groove, one end of the locking spring is fixedly connected with the bottom surface of the buckle groove, the other end of the locking spring is fixedly connected with the rear end face of the locking buckle, and the locking spring is in a compressed state.

Preferably, the front end of the locking buckle is in a round platform structure.

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

the utility model discloses a neotype indent drift cover structure cooperation annular slot, in the convex closure stamping process who carries out the backplate, go out the indent structure in the synchronous punching press of border position department of convex closure structure, increase the stress that the indent structure can effectual isolated convex closure stamping forming in-process at the convex closure edge, the indent that indent drift cover structure cooperation annular slot punching press was gone out simultaneously can increase the blank pressing force that the mould punching press in-process was applyed to the backplate effectively, the stability of improvement backplate in the convex closure punching process that can step forward, and then the effectual roughness of guaranteeing the backplate, the effectual processing yield that improves the backplate.

Drawings

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

fig. 2 is an exploded view of the punch assembly of the present invention;

fig. 3 is a cross-sectional view of the present invention.

The reference numbers in the figures are:

1. a lower concave die; 2. a fixed seat; 3. a stamping rod; 4. a convex hull punch; 5. pressing a ditch and punching a head sleeve; 501. pressing a groove punch; 502. locking the clamping groove; 6. locking the buckle; 7. a groove pressing spring; 8. a convex hull cavity; 9. an annular groove; 10. a locking spring.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-3, the stamping die for the convex hull structure of the back plate of the LED display comprises a lower female die 1 and a punch assembly located above the lower female die 1, wherein the middle part of the lower female die 1 is recessed downwards to form a hollow convex hull cavity 8, and the middle part of the lower female die 1 is recessed downwards outside the convex hull cavity 8 to form an annular groove 9;

wherein, the drift subassembly includes

fixing base

2, 2 lower extreme middle part fixedly connected with punching press pole 3 of fixing base, 3 lower extreme fixedly connected with convex closure drifts 4 of punching press pole, the shape and the convex closure shape looks adaptation of convex closure die cavity 8 and convex closure drifts 4, 2 lower extreme periphery surface sliding sleeve of fixing base are equipped with indent punching head cover 5, adopt neotype indent punching head cover 5 structure cooperation annular groove 9, in the convex closure punching process who carries out the backplate, the indent structure is gone out in the synchronous punching press of border position department of convex closure structure, increase the stress that indent structure can effectual isolated convex closure stamping forming in-process at the convex closure edge.

Pressing ditch drift 501 of 5 lower extreme fixedly connected with of ditch punch holder cover, pressing ditch drift 501 and the shape looks adaptation of

annular slot

9, 3 upper end peripheral surface covers of punching press pole are equipped with and press ditch spring 7, press ditch spring 7 both ends to be connected with terminal surface under the fixing base 2 and pressing ditch punch holder cover 5 up end respectively, press ditch spring 7 to guarantee to press ditch punch holder cover 5 can kick-back to initial position after a punching press stroke is accomplished.

Buckle groove has been seted up to 3 peripheral surface one sides of depression bar, buckle inslot portion sliding connection has locking

buckle

6, 6 front ends of locking buckle extend to the depression bar 3 outside, the interior peripheral surface of depression bar cover 5 corresponds position department with locking buckle 6 and has seted up locking clamping groove 502, the one end joint that locking buckle 6 extends to the depression bar 3 outside is inside locking clamping groove 502, adopt the joint structure of 6 cooperation locking clamping groove 502 of locking buckle, provide stamping force for depression bar cover 5 in the punching process of pressing the ditch, after the punching press of pressing the ditch is accomplished, depression bar 3 continuously moves down and carries out the convex closure punching press, locking buckle 6 slides and withdraws to inside the buckle groove this moment, remove the locking of depression bar cover 5.

The inside rear side in buckle groove is provided with locking spring 10, locking spring 10 one end and buckle groove bottom surface fixed connection, the locking spring 10 other end and the 6 rear end face fixed connection of locking buckle, locking spring 10 is in the state of being compressed, locking spring 10 is compressed and exerts forward locking thrust for locking buckle 6, make the stable joint of 6 front ends of locking buckle inside locking draw-in

groove

502, 6 front ends of locking buckle are the round platform structure, the smoothness nature when having guaranteed locking buckle 6 to contract to the buckle inslot portion.

The utility model discloses a working process does: firstly, the punch head assembly moves downwards integrally, then the grooving punch head 501 is released from the back plate, in the downward moving process of the punch head assembly, the grooving punch head sleeve 5 is matched with the annular groove 9, a grooving structure is punched at the edge position of the convex hull structure, then the punching rod 3 continuously moves downwards, in the downward moving process, the circular truncated cone structure at the front end of the locking buckle 6 is subjected to retraction force, the locking buckle 6 is made to slide and retract into the buckle groove, the locking of the grooving punch head sleeve 5 is released, the convex hull punch head 4 is matched with the convex hull cavity 8 to punch the convex hull structure on the back plate under the driving of the punching rod 3, then the punching rod 3 moves upwards, in the upward moving process, the locking buckle 6 is popped out again under the elastic action of the locking spring 10 and clamped into the locking groove 502, and the locking of the grooving punch head sleeve 5 is achieved.

To sum up, the utility model has the advantages that: adopt neotype indent drift sleeve structure cooperation annular groove, go out the indent structure in the synchronous punching press of the border position department of convex closure structure, can effectually completely cut off the stress of convex closure stamping forming in-process, the effectual roughness of having guaranteed the backplate, the improvement that is showing the processing yield of backplate.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The stamping die of the LED display backboard convex hull structure is characterized by comprising a lower female die (1) and a punch assembly positioned above the lower female die (1), wherein the middle part of the lower female die (1) is recessed downwards to form a hollow convex hull cavity (8), and the middle part of the lower female die (1) is recessed downwards at the outer side of the convex hull cavity (8) to form an annular groove (9);

wherein, the drift subassembly includes fixing base (2), fixing base (2) lower extreme middle part fixedly connected with punching rod (3), punching rod (3) lower extreme fixedly connected with convex closure drift (4), the shape and the convex closure shape looks adaptation of convex closure die cavity (8) and convex closure drift (4), fixing base (2) lower extreme periphery surface slip cover is equipped with indent drift cover (5).

2. The stamping die for the convex hull structure of the back plate of the LED display as claimed in claim 1, wherein a groove stamping head (501) is fixedly connected to the lower end of the groove stamping head sleeve (5), and the shape of the groove stamping head (501) is adapted to the shape of the annular groove (9).

3. The stamping die for the convex hull structure of the back plate of the LED display as claimed in claim 2, wherein the outer peripheral surface of the upper end of the stamping rod (3) is sleeved with a groove pressing spring (7), and two ends of the groove pressing spring (7) are respectively connected to the lower end surface of the fixing seat (2) and the upper end surface of the groove pressing sleeve (5).

4. The stamping die for the LED display backboard convex hull structure according to claim 3, wherein a buckling groove is formed on one side of the outer peripheral surface of the stamping rod (3), a locking buckle (6) is slidably connected inside the buckling groove, the front end of the locking buckle (6) extends to the outer side of the stamping rod (3), a locking clamping groove (502) is formed in the position, corresponding to the locking buckle (6), of the inner peripheral surface of the pressing groove stamping head sleeve (5), and one end, extending to the outer side of the stamping rod (3), of the locking buckle (6) is clamped inside the locking clamping groove (502).

5. The stamping die for the LED display backboard convex hull structure according to claim 4, wherein a locking spring (10) is arranged at the rear side inside the buckling groove, one end of the locking spring (10) is fixedly connected with the bottom surface of the buckling groove, the other end of the locking spring (10) is fixedly connected with the rear end surface of the locking buckle (6), and the locking spring (10) is in a compressed state.

6. The stamping die for the convex hull structure of the back plate of the LED display as claimed in claim 5, wherein the front end of the locking buckle (6) is in a truncated cone structure.