CN209998191U

CN209998191U - Stamping die of high-efficient heat dissipation type STB

Info

Publication number: CN209998191U
Application number: CN201920173174.6U
Authority: CN
Inventors: 朱正康; 朱胜迁
Original assignee: Dongguan Xinmi Electronic Technology Co Ltd
Current assignee: Dongguan Xinmi Electronic Technology Co Ltd
Priority date: 2019-01-31
Filing date: 2019-01-31
Publication date: 2020-01-31
Anticipated expiration: 2029-01-31

Abstract

The utility model discloses a stamping die of high-efficient heat dissipation type STB, be equipped with a plurality of spring grooves including this upper die base, be equipped with a plurality of spring holes in this punch plate, be equipped with a plurality of exhaust and punch a hole on this public master template, it has a plurality of location foot lugs to inlay on this public master template, be equipped with the second exhaust and punch a hole on this inside and outside stripper, this inside and outside stripper is the concave upward and is equipped with a plurality of location foot recesses, run through being equipped with a plurality of second spring holes in this lower bolster, the lower surface of this die holder is equipped with second spring groove, this lower bolster fills up the bottom at the lower die base, through being equipped with a plurality of spring grooves and spring hole, can play the cushioning effect to the collision between upper die base and the upper plate, still through being equipped with a plurality of second spring grooves and second spring hole, can play the cushioning effect to the collision between lower die holder and the lower plate, can effectual quality that improves the punching press product, the probability that the dead phenomenon of card can also appear between effectual reduction guide pillar and.

Description

Stamping die of high-efficient heat dissipation type STB

Technical Field

The utility model belongs to the technical field of domestic appliance technique and specifically relates to indicate high-efficient heat dissipation type STB's stamping die.

Background

A digital TV set-top box is an kinds of household digital terminal products which are introduced along with the update of a TV system, and is used for demodulating, decoding and converting satellite digital TV signals, terrestrial digital TV signals, cable TV network digital signals and even Internet digital signals into analog signals and digital signals which can be accepted by the existing TV.

The bottom shell of the set-top box is a part for accommodating electronic components, and the quality of the bottom shell of the set-top box affects the performance of the set-top box. In the stamping process, when the equipment works, the metal and the metal collide with each other, so that great vibration can be caused, the phenomenon of blocking is easily caused by the matching of the guide pillar and the guide sleeve, and the processing quality of the bottom shell of the set top box can be directly influenced.

Therefore, in order to solve the existing problems, the utility model particularly provides new technical solutions.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides kinds of high-efficient heat dissipation type STB's stamping die, and it can effectively solve current STB mould and have the dead phenomenon of card and the not high problem of punching press product quality also to appear easily in the cooperation of guide pillar and guide pin bushing.

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

stamping die for high-efficiency heat-dissipation set top box, comprising

The upper die base is arranged at the uppermost part of the whole die, and a plurality of th spring grooves for mounting springs are formed in the lower surface of the upper die base;

the upper clamp plate is fixed at the bottom of the upper die holder, and a plurality of spring holes corresponding to the spring grooves are arranged in the upper clamp plate in a penetrating way;

the male and female template is positioned below the upper clamping plate, a plurality of th exhaust punched holes are formed in the male and female template, and a plurality of positioning pin bumps are embedded in the male and female template;

the inner and outer stripping plates are arranged below the male and female die plates corresponding to the male and female die plates, second exhaust punched holes corresponding to the th exhaust punched holes are formed in the inner and outer stripping plates, and a plurality of positioning pin grooves are concavely formed in the inner and outer stripping plates;

the lower base plate is fixed below the inner stripper plate and the outer stripper plate, and a plurality of second spring holes for mounting springs are arranged in the lower base plate in a penetrating manner;

the lower die base is arranged below the lower backing plate, and a plurality of second spring grooves corresponding to the second spring holes are formed in the lower surface of the lower die base;

the lower cushion block is a rectangular steel plate and is cushioned at the bottom of the lower die holder.

it is preferable that spring is provided between the spring groove and the spring hole.

As preferred schemes, the number of the lower cushion blocks is 3, and the lower cushion blocks comprise a lower cushion block, a second lower cushion block and a third lower cushion block.

As preferred schemes, a material guide groove is arranged on the lower cushion block and the third lower cushion block.

As preferred schemes, lifting lugs are arranged on the upper clamping plate and the male and female templates.

As preferred schemes, the positioning leg groove is provided with a vent hole.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

the stamping die is provided with a plurality of th spring grooves and th spring holes, so that a buffering effect can be achieved on collision between the upper die base and the upper clamping plate, and a buffering effect can be achieved on collision between the lower die base and the lower clamping plate by means of the plurality of second spring grooves and the plurality of second spring holes, so that the quality of a stamped product can be effectively improved, and the probability of the phenomenon of blocking between the guide pillar and the guide sleeve can be effectively reduced.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is an assembled elevation view of a preferred embodiment of the present invention;

FIG. 2 is a top view of the upper mold base according to the preferred embodiment of the present invention;

FIG. 3 is a top view of the upper clamp plate according to the preferred embodiment of the present invention;

fig. 4 is a top view of the male and female mold plates according to the preferred embodiment of the present invention;

FIG. 5 is a top view of the inner and outer stripper plates according to the preferred embodiment of the present invention;

FIG. 6 is a top view of a lower backing plate according to a preferred embodiment of the present invention;

FIG. 7 is a top view of a lower die base according to a preferred embodiment of the present invention;

FIG. 8 is a top view of the lower block of the preferred embodiment of the present invention.

The attached drawings indicate the following:

10. the upper die holder 11 and the th spring groove

12. Spring 20, upper clamping plate

21. th spring hole 22, lifting lug

30. The male and female templates 31 and th exhaust punching hole

32. Positioning pin lug 40, internal and external stripping plate

41. Second exhaust punching hole 42 and positioning pin groove

421. Exhaust hole 50 and lower pad

51. Second spring hole 60 and lower die holder

61. Second spring groove 70, lower pad

71. th lower cushion block 72 and second lower cushion block

73. A third lower cushion block 74 and a material guide groove.

Detailed Description

Referring to fig. 1 to 8, a detailed structure of a preferred embodiment of the present invention is shown, which includes an upper mold base 10, an upper clamp plate 20, a male and female mold plate 30, an inner and outer stripper plate 40, a lower bolster 50, a lower mold base 60 and a lower bolster 70.

The upper die base 10 is arranged at the uppermost part of the whole stamping die, a plurality of th spring 12 grooves 11 for mounting springs 12 are arranged on the lower surface of the upper die base 10, the upper clamp plate 20 is fixed at the bottom of the upper die base 10, a plurality of th spring holes 21 corresponding to the th spring 12 grooves 11 are arranged in the upper clamp plate 20 in a penetrating manner, springs 12 are arranged between the th spring 12 grooves 11 and the th spring holes 21, the springs 12 arranged in the upper die base 10 and the upper clamp plate 20 can play a buffering effect, collision between the upper die base 10 and the upper clamp plate 20 is relieved, and a protection effect is achieved.

The male and female mold plate 30 is located below the upper clamping plate 20, a plurality of th exhaust punched holes 31 are arranged on the male and female mold plate 30, the th exhaust punched holes 31 are mainly prepared for exhaust holes 421 on the set-top box, the th exhaust punched holes 31 are processed by a wire cutting technology, the wire cutting technology has many advantages, wherein 1, the tool preparation is simple, 2, a mold capable of processing a complex cavity is provided, 3, a plurality of positioning pin bumps 32 and 4 are embedded on the male and female mold plate 30, the processing allowance is small, precious materials can be effectively saved, 5, the cost is low, 6, the operation is simple, the electric automation is easy to realize, 7, the safety is high, and the like, the male and female mold plate 30 is embedded with a plurality of positioning pin bumps 32, the positioning pin bumps 32 are mainly prepared for positioning pins on the set-top box, a lifting lug 22 is further arranged on the male and female mold plate 30, and the lifting lug 22 can assist a worker to fixedly install and take out the upper clamping plate 20.

The inner and outer stripper plates 40 and the male and female die plate 30 are correspondingly arranged below the male and female die plate 30, the inner and outer stripper plates 40 are provided with second exhaust punched holes 41 corresponding to the th exhaust punched hole 31, the second exhaust punched holes 41 are also processed by adopting a wire cutting technology, the inner and outer stripper plates 40 are concavely provided with a plurality of positioning pin grooves 42 corresponding to the positioning pin bumps 32, and positioning pins on the set-top box are processed by the mutual matching of the positioning pin bumps 32 and the positioning pin grooves 42, the positioning pin grooves 42 are penetrated with exhaust holes 421, the exhaust holes 421 can be mainly mixed with gas in the material deformation process when the equipment is subjected to stamping forming, and if the gas cannot be timely exhausted, the stamped product has an uneven surface.

This lower die holder 60 sets up the below at whole stamping die, the upper surface of this lower die holder 60 is equipped with a plurality of second spring recess 61 that are used for installing spring 12, this lower plate is fixed in the top of lower die holder 60, run through in this lower plate and be equipped with a plurality ofly and the corresponding second spring hole 51 of aforementioned second spring recess 61, be equipped with spring 12 between this second spring recess 61 and the second spring hole 51, can play the cushioning effect through be equipped with spring 12 in lower die holder 60 and lower plate, slow down the collision between lower die holder 60 and the lower plate, play the effect of protection.

The lower cushion blocks 70 are rectangular steel plates and are arranged at the bottom of the lower die holder 60, the number of the lower cushion blocks 70 is 3, the lower cushion blocks comprise -th lower cushion blocks 71, 72-third lower cushion blocks 73 which are arranged from left to right, guide chutes 74 are arranged on the -th lower cushion blocks 71 and the third lower cushion blocks 73, and the guide chutes 74 can temporarily store redundant materials punched in the machining process.

The utility model discloses a design focus lies in:

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1, stamping die of high-efficiency heat dissipation type set top box, which is characterized by comprising

2. The stamping die for a high-efficiency heat-dissipation set top box as recited in claim 1, wherein springs are disposed between said th spring grooves and th spring holes.

3. The stamping die for the high-efficiency heat dissipation type set top box according to claim 1, wherein the number of the lower cushion blocks is 3, and the th lower cushion block, the second lower cushion block and the third lower cushion block are included.

4. The stamping die for the high-efficiency heat dissipation type set top box as recited in claim 3, wherein the lower cushion block and the third lower cushion block are provided with material guiding grooves.

5. The stamping die of the high-efficiency heat dissipation type set top box as recited in claim 1, wherein: the upper clamping plate and the male and female die plates are both provided with lifting lugs.

6. The stamping die of the high-efficiency heat dissipation type set top box as recited in claim 1, wherein: the positioning pin groove is provided with an exhaust hole in a penetrating way.