CN214290392U

CN214290392U - Stamping die of display backplate convex hull structure

Info

Publication number: CN214290392U
Application number: CN202022263079.0U
Authority: CN
Inventors: 李相众; 周荣辉
Original assignee: Suzhou Huizhan Precision Mould Co ltd
Current assignee: Suzhou Huizhan Precision Mould Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-09-28
Anticipated expiration: 2030-10-13

Abstract

The utility model provides a stamping die of a convex hull structure of a display backboard, which comprises a lower die holder and an upper die holder, wherein, two sides of one end of the lower die holder are fixedly connected with first fixed blocks, the inner parts at the top ends of the two first fixed blocks are fixedly connected with movable rods, the top parts of the movable rods are movably connected with sliding sleeves, the outer parts of the sliding sleeves are sleeved with second fixed blocks, one side of each second fixed block is fixedly connected with an upper die holder, the top end of the upper die holder is fixedly connected with a connecting shaft, the bottom end of the upper die holder is fixedly connected with an upper backing plate, the lateral side of the upper backing plate is fixedly provided with four clamping grooves, the inner parts of the four clamping grooves are clamped and connected with fixed rods, the bottom end of the fixed rods is fixedly connected with an upper die plate, two sides of the bottom end of the upper die plate are movably connected with demoulding rods, the die utilizes the elasticity of a spring to complete demoulding, the spring drives the contraction of the demoulding rods due to stress during the punching, and drives the extension of the demoulding rods after the punching is completed, the workpiece stuck on the convex block of the die is pushed out to complete the demoulding, and the structure is simple and practical.

Description

Stamping die of display backplate convex hull structure

Technical Field

The utility model mainly relates to an electronic product stamping die's technical field, concretely relates to stamping die of display backplate convex closure structure.

Background

The display back plate is an important part of the display, and the technical requirements on the display back plate comprise indexes such as dimensional tolerance, flatness and bending degree, so that the manufacturing difficulty is high, and particularly, a product after stamping is easily adhered to a stamping die, so that subsequent processing production is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a stamping die of the convex hull structure of the display backboard for solve the technical problem provided in the above background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

as a preferred technical proposal of the utility model, the utility model comprises a lower die holder and an upper die holder, wherein, two sides of one end of the lower die holder are fixedly connected with a first fixed block, two inner parts of the top end of the first fixed block are fixedly connected with a movable rod, the top part of the movable rod is movably connected with a sliding sleeve, the outside of the sliding sleeve is sleeved with a second fixed block, one side of the second fixed block is fixedly connected with the upper die holder, the top end of the upper die holder is fixedly connected with a connecting shaft, the bottom end of the upper die holder is fixedly connected with an upper backing plate, the lateral side of the upper backing plate is fixedly provided with four clamping grooves, the inner clamping of the four clamping grooves is connected with a fixed rod, the bottom end of the fixed rod is fixedly connected with an upper die plate, the bottom end of the upper die plate is fixedly provided with a die lug, two sides of the bottom end of the upper die plate are movably connected with a demoulding rod, the top end of the demoulding rod is fixedly connected with a second spring, and the top end of the second spring is fixedly connected with the inside of the upper template.

As a preferred technical scheme of the utility model, four first springs of avris fixedly connected with on die holder top, four the top fixedly connected with lower bolster of first spring, the top avris threaded connection of lower bolster has the screw, the top screw thread neighbour of screw is connected with the lower bolster, the fixed mould recess that has seted up in top of lower bolster.

As a preferred technical scheme of the utility model, the inside fixed spacing groove of having seted up on die holder top, the inside swing joint of spacing groove has the connecting rod, the bottom of connecting rod and the inside swing joint on die holder top, the top of connecting rod and the bottom fixed connection of lower bolster plate.

As a preferred technical scheme of the utility model, the equal threaded connection in both sides of upper padding plate has two fixation screw rod, two fixation screw rod's middle part and draw-in groove alternate to block to be connected, fixation screw rod's one end and the top threaded connection of dead lever.

As a preferred technical scheme of the utility model, the top fixedly connected with stopper of movable rod, the fixed movable groove that has seted up in inside of second fixed block, the inner wall in movable groove with the top threaded connection of connecting axle has power device.

As a preferred technical scheme of the utility model, the lower bolster equals with cope match-plate pattern parallel arrangement and size, the outside and the mould recess of mould lug cup joint.

Compared with the prior art, the beneficial effects of the utility model are that: one of the two, the utility model discloses utilize the stretching force and the restoring force of spring to accomplish the drawing of patterns, the spring is inside at the cope match-plate pattern because of the atress shrink when the punching press, accomplishes the back at the punching press, because of disappearing gradually of extrusion force, and makes the spring stretch out under the effect of restoring force, and then drives stretching out of stripper rod to the machined part that will paste on the mould lug is released, accomplishes the drawing of patterns, and simple structure is practical.

And secondly, the utility model discloses use spring and connecting rod to be connected die holder and lower bolster, and then with screw with lower bolster and lower bolster fixed connection, at machine stamping process, played certain cushioning effect because of the existence of spring force, and the connecting rod can effectively prevent that lower bolster and lower bolster from taking place the skew of position at stamping process to cause the emergence of processing error.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

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

FIG. 2 is a schematic view of the upper part of the explosion structure of the present invention;

fig. 3 is a schematic view of the lower structure explosion structure of the present invention;

FIG. 4 is a schematic view of the front structure of the upper plate of the present invention;

fig. 5 is a schematic view of the internal structure of the mold-releasing rod of the present invention;

fig. 6 is the schematic view of the internal structure of the connecting rod of the present invention.

In the figure: 1. a lower die holder; 2. an upper die holder; 3. a movable rod; 4. a first fixed block; 5. a limiting block; 6. a movable groove; 7. a connecting shaft; 8. a second fixed block; 9. a sliding sleeve; 10. an upper base plate; 11. a card slot; 12. a lower template; 13. a mold recess; 14. a screw; 15. a lower base plate; 16. a first spring; 17. a connecting rod; 18. fixing the screw rod; 19. mounting a template; 20. fixing the rod; 21. a stripper bar; 22. a mold bump; 23. a second spring; 24. a limiting groove.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-6 heavily, the utility model provides a stamping die of a convex hull structure of a display backboard, which comprises a lower die holder 1 and an upper die holder 2, wherein both sides of one end of the lower die holder 1 are fixedly connected with first fixed blocks 4, the inner parts of the top ends of the two first fixed blocks 4 are fixedly connected with movable rods 3, the top parts of the movable rods 3 are movably connected with a sliding sleeve 9, the outer part of the sliding sleeve 9 is sleeved with a second fixed block 8, one side of the second fixed block 8 is fixedly connected with the upper die holder 2, the top end of the upper die holder 2 is fixedly connected with a connecting shaft 7, the top end of the movable rod 3 is fixedly connected with a limiting block 5, the inner part of the second fixed block 8 is fixedly provided with a movable groove 6, the inner wall of the movable groove 6 and the top end of the connecting shaft 7 are connected with a power device by screw threads, the bottom end of the upper die holder 2 is fixedly connected with an upper padding plate 10, both sides of the upper padding plate 10 are connected with two fixed lead screws 18 by screw threads, the middle part and the draw-in groove 11 of two fixed screw rods 18 alternate and block the connection, the one end of fixed screw rod 18 and the top threaded connection of dead lever 20, four draw-in grooves 11 have been seted up to the avris of upper padding plate 10 fixedly, the inside block of four draw-in grooves 11 is connected with dead lever 20, the bottom fixedly connected with cope match-plate pattern 19 of dead lever 20, the bottom fixed mounting of cope match-plate pattern 19 has mould lug 22, the both sides swing joint of cope match-plate pattern 19 bottom has stripper rod 21, the top fixedly connected with second spring 23 of stripper rod 21, the top of second spring 23 and the inside fixed connection of cope match-plate pattern 19.

Four first springs 16 of avris fixedly connected with on 1 top of die holder, four first springs 16's top fixedly connected with lower bolster 15, the top avris threaded connection of lower bolster 15 has screw 14, the top screw thread neighbour of screw 14 is connected with lower bolster 12, die groove 13 has been seted up to the top of lower bolster 12 is fixed, lower bolster 12 equals with 19 parallel arrangement of cope match-plate pattern and size, the outside and the die groove 13 of mould lug 22 cup joint, spacing groove 24 has been seted up to the inside fixed of 1 top of die holder, the inside swing joint on spacing groove 24 has connecting rod 17, the inside swing joint on the bottom of connecting

rod

17 and 1 top of die holder, the top of connecting rod 17 and the bottom fixed connection of lower bolster 15.

The utility model discloses a concrete operation as follows: when the display back plate needs to be punched, firstly, a workpiece is placed in the die groove 13, the switch is turned on, the power device runs with the connecting shaft 7 in threaded connection to move downwards after power is turned on, the connecting shaft 7 runs downwards to drive the upper die base 2 to move downwards, the upper die base 2 runs downwards to drive the upper base plate 10 fixedly connected with the bottom end, the upper die plate 19 moves downwards due to the downward movement of the upper base plate 10, and punching is started when the surface of the die lug 22 arranged on the upper die plate 19 contacts the surface of the workpiece.

In the process that the upper template 19 downwards punches the lower template 12, the demoulding rods 21 on two sides of the upper template 19 are stressed to inwards extrude the second springs 23, the second springs 23 are stressed to inwards contract, then the tops of the demoulding rods 21 are driven to move towards the upper template 19, finally the bottom ends of the demoulding rods 21 are parallel to the bottom ends of the mould lugs 22, the lower template 12 is pressed downwards by the downwards punching force to enable the lower backing plate 15 connected with the bottom ends to downwards extrude the first springs 16, the first springs 16 contract downwards, meanwhile, the connecting rods 17 are stressed to downwards move, after the mould lugs 22 are punched into the mould grooves 13, the convex hull structure of a workpiece is formed, then the upper die base 2 is stressed to start rising, the rising force of the upper die base 2 drives the upper backing plate 10 and the upper template 19 to upwards move, the demoulding rods 21 start to reduce the extrusion force of the second springs 23 after the external extrusion force is gradually reduced, and accordingly the second springs 23 start to push the demoulding rods 21 to outwards to extend under the action of the restoring force, and then extrude the machined part of pasting on mould lug 22 after the punching press, and lower bolster 12 and lower bolster 15 reduce the back because of the punching press power gradually, and first spring 16 is at the effect of restoring force with lower bolster 15 and lower bolster 12 propelling movement to original position, and connecting rod 17 also takes to stretch out to original position, finally realizes the punching press of display backplate convex closure structure.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The stamping die of the display backboard convex hull structure comprises a lower die holder (1) and an upper die holder (2), and is characterized in that the two sides of one end of the lower die holder (1) are fixedly connected with a first fixed block (4), two inner parts of the top end of the first fixed block (4) are fixedly connected with a movable rod (3), the top of the movable rod (3) is movably connected with a sliding sleeve (9), the outer part of the sliding sleeve (9) is sleeved with a second fixed block (8), one side of the second fixed block (8) is fixedly connected with the upper die holder (2), the top end of the upper die holder (2) is fixedly connected with a connecting shaft (7), the bottom of the upper die holder (2) is fixedly connected with an upper padding plate (10), the lateral side of the upper padding plate (10) is fixedly provided with four clamping grooves (11), and the inner clamping of the four clamping grooves (11) is connected with a fixed rod (20), the fixed die is characterized in that the bottom end of the fixing rod (20) is fixedly connected with an upper die plate (19), the bottom end of the upper die plate (19) is fixedly provided with a die bump (22), two sides of the bottom end of the upper die plate (19) are movably connected with a demolding rod (21), the top end of the demolding rod (21) is fixedly connected with a second spring (23), and the top end of the second spring (23) is fixedly connected with the inner portion of the upper die plate (19).

2. The stamping die of the convex hull structure of the display backboard of claim 1, wherein the side of the top end of the lower die holder (1) is fixedly connected with four first springs (16), the top end of the four first springs (16) is fixedly connected with a lower backing plate (15), the top side of the lower backing plate (15) is in threaded connection with a screw (14), the top thread of the screw (14) is adjacently connected with a lower die plate (12), and the top of the lower die plate (12) is fixedly provided with a die groove (13).

3. The stamping die of the convex hull structure of the backboard of the display device according to claim 2, wherein a limiting groove (24) is fixedly formed in the top end of the lower die holder (1), a connecting rod (17) is movably connected in the limiting groove (24), the bottom of the connecting rod (17) is movably connected in the top end of the lower die holder (1), and the top end of the connecting rod (17) is fixedly connected with the bottom end of the lower backing plate (15).

4. The stamping die for the convex hull structure of the back plate of the display according to claim 1, wherein two fixing screw rods (18) are connected to both sides of the upper backing plate (10) through threads, the middle parts of the two fixing screw rods (18) are connected with the clamping grooves (11) in a penetrating and blocking manner, and one ends of the fixing screw rods (18) are connected with the tops of the fixing rods (20) through threads.

5. The stamping die of the convex hull structure of the display backboard according to claim 1, wherein a limiting block (5) is fixedly connected to the top end of the movable rod (3), a movable groove (6) is fixedly formed in the second fixing block (8), and a power device is connected to the inner wall of the movable groove (6) and the top end of the connecting shaft (7) in a threaded manner.

6. The stamping die for the convex hull structure of the display backboard of claim 2, wherein the lower template (12) and the upper template (19) are arranged in parallel and have the same size, and the outer part of the die bump (22) is sleeved with the die groove (13).