阅读说明：本技术 一种消音器隔热板复合模具 (Silencer heat insulation plate composite die ) 是由 王翀 于 2021-08-10 设计创作，主要内容包括：本发明公开了一种消音器隔热板复合模具,包括上模和下模,上模和下模内依次设置有成形腔、整形腔和翻边腔,成形腔内设置有凹模,整形腔和翻边腔内均设置有凸模,凸模呈轴线对称设置在下模上,凹模和凸模上均设置有仿形和若干限位料片,凸模的周向设置有若干镶块,下模内对应成形腔、整形腔和翻边腔均设置有顶出机构,上模对应的整形腔、翻边腔和上模的四角处均设置有缓冲回弹机构,上模对应凸模的位置设置有若干冲头,上模和下模之间设置有导向机构,整形腔的两侧呈轴线对称设置有废料导出槽,废料导出槽内固定安装有废料滑槽。本发明可以更好的对隔热板进行冲压,材料利用率高,冲压质量好,制造成本低,生产效率高。(The invention discloses a silencer heat insulation plate composite die which comprises an upper die and a lower die, wherein a forming cavity, a shaping cavity and a flanging cavity are sequentially arranged in the upper die and the lower die, a female die is arranged in the forming cavity, male dies are arranged in the shaping cavity and the flanging cavity, the male dies are symmetrically arranged on the lower die in an axial line manner, a profile modeling and a plurality of limiting material sheets are arranged on the female die and the male dies, a plurality of inserts are arranged in the circumferential direction of the male dies, ejection mechanisms are arranged in the lower die and correspond to the forming cavity, the shaping cavity and the flanging cavity, the shaping cavity, the flanging cavity and the four corners of the upper die corresponding to the upper die are respectively provided with a buffering rebounding mechanism, a plurality of punches are arranged at positions of the upper die and corresponding to the male dies, a guide mechanism is arranged between the upper die and the lower die, waste material guide grooves are symmetrically arranged on the two sides of the shaping cavity in an axial line manner, and waste material slide grooves are fixedly arranged in the waste material guide grooves. The invention can better punch the heat insulation plate, and has the advantages of high material utilization rate, good punching quality, low manufacturing cost and high production efficiency.)

1. A muffler heat insulation board composite die is characterized by comprising an upper die and a lower die, wherein a forming cavity, a shaping cavity and a flanging cavity are sequentially arranged in the upper die and the lower die, a female die is arranged in the forming cavity, male dies are arranged in the shaping cavity and the flanging cavity, the male dies are symmetrically arranged on the lower die in an axial line manner, profiling and a plurality of limiting material sheets are arranged on the female die and the male dies, a plurality of inserts are arranged on the male dies in the circumferential direction, ejection mechanisms are arranged in the lower die and correspond to the forming cavity, the shaping cavity and the flanging cavity, buffering and rebounding mechanisms are arranged at four corners of the shaping cavity, the flanging cavity and the upper die corresponding to the upper die, a plurality of punches are arranged at positions of the upper die corresponding to the male dies, a guide mechanism is arranged between the upper die and the lower die, waste material guide grooves are symmetrically arranged on two sides of the shaping cavity in an axial line manner, and a waste chute is fixedly arranged in the waste guide-out groove.

2. The muffler and heat insulating plate composite mold according to claim 1, wherein the buffering and rebounding mechanism comprises a plurality of rebounding cylinders, the rebounding cylinders are fixedly installed in the upper mold, and the rebounding cylinders are arranged above the shaping cavity, the flanging cavity and four corners of the upper mold.

3. The muffler and heat insulating plate composite mold according to claim 1, wherein the ejection mechanism comprises a plurality of ejection cylinders fixedly mounted at the lower ends of the forming cavity, the shaping cavity and the flanging cavity, an action end of each ejection cylinder penetrates through the female mold and the male mold and is fixedly connected with an ejection block, a clearance groove is formed in the male mold, and the ejection blocks are arranged in the clearance groove in a sliding fit manner.

4. The muffler and heat insulating plate composite mold as claimed in claim 1, wherein the guide mechanism comprises guide posts symmetrically disposed on both sides of the upper mold and guide grooves disposed on the lower mold corresponding to the guide posts, and the guide posts and the guide grooves are slidably fitted.

5. The muffler and heat insulating plate composite mold according to claim 1, wherein the female mold is provided with a material sheet groove, and the limiting material sheet is arranged in the material sheet groove.

6. The muffler and heat insulating plate composite mold as claimed in claim 5, wherein a plurality of positioning blocks are provided corresponding to the guide mechanism, the positioning blocks are fixedly installed on both sides of the upper mold, the lower mold is provided with positioning grooves, and the positioning blocks and the positioning grooves are slidably fitted.

Technical Field

The invention relates to the technical field of automobile part processing, in particular to a heat insulation plate composite die for a silencer.

Background

At present, the main manufacturing means of the manufacturing of the heat insulation plate on the silencer is completed by stamping, but the quality of the product cannot be guaranteed due to the limitation of the structure of a stamping die, a large amount of process excess materials exist in the actual production, the utilization rate of materials is low, the manufacturing cost is high, the stamping can be completed by a plurality of sets of dies, the equipment cost is high, and the efficiency is low.

Disclosure of Invention

Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide a silencer heat insulating plate composite die that can be better carry out the punching press to the heat insulating plate, the material utilization rate is high, and the punching press is of high quality, low in manufacturing cost, production efficiency is high.

In order to solve the technical problems, the invention adopts the following technical scheme:

a muffler heat insulation board composite die comprises an upper die and a lower die, wherein a forming cavity, a shaping cavity and a flanging cavity are sequentially arranged in the upper die and the lower die, a female die is arranged in the forming cavity, male dies are arranged in the shaping cavity and the flanging cavity, the male dies are symmetrically arranged on the lower die in an axial line manner, profiling and a plurality of limiting material sheets are arranged on the female die and the male dies, a plurality of insert blocks are arranged in the circumferential direction of the male dies, ejection mechanisms are arranged in the lower die and correspond to the forming cavity, the shaping cavity and the flanging cavity, buffering and rebounding mechanisms are arranged at the four corners of the shaping cavity, the flanging cavity and the upper die corresponding to the upper die, a plurality of punches are arranged at positions of the upper die corresponding to the male dies, a guide mechanism is arranged between the upper die and the lower die, and waste material guide grooves are symmetrically arranged at two sides of the shaping cavity in an axial line manner, and a waste chute is fixedly arranged in the waste guide-out groove.

Like this, through set up a plurality of stations in the mould, can take shape simultaneously, plastic and turn-ups, improved stamping efficiency, can carry on spacingly through profile modeling and spacing tablet to the heat insulating board, recycle insert and terrace die and restrict the shape of heat insulating board in stamping process, improved the quality of punching press, utilize ejection mechanism can make the heat insulating board that the punching press was accomplished break away from die and terrace die fast, make stamping process more stable through buffering resilience mechanism.

Further, buffering resilience mechanism includes a plurality of resilience cylinders, resilience cylinder fixed mounting be in the upper die, resilience cylinder sets up the shaping chamber the top in turn-ups chamber with go up the four corners department of mould. Through the rebound cylinder installed in the upper die, the stamping process can be more stable, and the generation of waste parts is reduced.

Further, the ejection mechanism comprises a plurality of ejection cylinders fixedly mounted at the lower ends of the forming cavity, the shaping cavity and the flanging cavity, the action ends of the ejection cylinders penetrate through the female die and the male die and are fixedly connected with ejection blocks, the male die is provided with a spacing groove, and the ejection blocks are arranged in the spacing groove in a sliding fit manner. By utilizing the ejection cylinder, after the punching is finished, the heat insulation plate can be ejected out quickly, so that the speed of moving the heat insulation plate to the next station is increased.

Further, guiding mechanism is including the symmetry setting go up the guide post of mould both sides and correspond the guide post is in the guide way that the lower mould set up, the guide post with the guide way sliding fit sets up. Through guide post and guide way, prevent to go up the position of mould and lower mould and squint at the punching press in-process, improve the precision of heat-insulating board behind the punching press.

Further, a material sheet groove is formed in the female die, and the limiting material sheet is arranged in the material sheet groove. Through the tablet groove, can adjust the position of spacing tablet, improve positioning accuracy to improve punching press quality.

Furthermore, a plurality of arrival blocks are arranged corresponding to the guide mechanism, the arrival blocks are fixedly arranged on two sides of the upper die, the lower die is provided with an arrival groove, and the arrival blocks and the arrival groove are arranged in a sliding fit mode. The upper die can reach the correct position in the stamping process by utilizing the positioning block.

In conclusion, the invention can better stamp the heat insulation plate, and has the advantages of high material utilization rate, good stamping quality, low manufacturing cost and high production efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a composite mold for a silencer and heat insulation board according to an embodiment of the present invention.

Fig. 2 is a schematic view of the assembly of fig. 1 in another orientation with portions of the assembly removed.

Fig. 3 is a schematic view of the structure of fig. 2 in another orientation.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

Fig. 5 is a schematic view of the structure of fig. 4 in another orientation.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In specific implementation, as shown in fig. 1-5, a muffler and heat insulation board composite die comprises an upper die 1 and a lower die 2, wherein a forming cavity 3, a trimming cavity 4 and a flanging cavity 5 are sequentially arranged in the upper die 1 and the lower die 2, a female die 6 is arranged in the forming cavity 3, male dies 7 are arranged in the trimming cavity 4 and the flanging cavity 5, the male dies are symmetrically arranged on the lower die in an axial line manner, a profile 8 and a plurality of limiting material sheets 9 are respectively arranged on the female die 6 and the male die 7, a plurality of inserts 10 are arranged in the circumferential direction of the male die 7, ejection mechanisms are arranged in the lower die 2 corresponding to the forming cavity 3, the trimming cavity 4 and the flanging cavity 5, buffering and rebounding mechanisms are arranged at four corners of the trimming cavity 4, the flanging cavity 5 and the upper die 1 corresponding to the upper die 1, and a plurality of punches 11 are arranged at positions of the upper die 1 corresponding to the male dies 7, the die is characterized in that a guide mechanism is arranged between the upper die 1 and the lower die 2, waste material guide grooves 12 are symmetrically arranged on two sides of the shaping cavity 4 in an axial line mode, and waste material sliding grooves 13 are fixedly arranged in the waste material guide grooves 12. Like this, through set up a plurality of stations in the mould, can take shape simultaneously, plastic and turn-ups, improved stamping efficiency, can carry on spacingly to heat insulating board 30 through profile modeling and spacing tablet, recycle insert and terrace die and restrict the shape of heat insulating board in stamping process, improved the quality of punching press, the heat insulating board that utilizes ejection mechanism to make the punching press accomplish breaks away from die and terrace die fast, make stamping process more stable through buffering resilience mechanism.

In this embodiment, buffering resilience mechanism includes a plurality of resilience cylinders 14, resilience cylinders 14 fixed mounting be in go up mould 1, resilience cylinders 14 sets up the shaping chamber 4, the top in turn-ups chamber 5 with go up the four corners department of mould 1. Through the rebound cylinder installed in the upper die, the stamping process can be more stable, and the generation of waste parts is reduced.

Specifically, the rebound cylinder is a nitrogen cylinder.

In this embodiment, the ejection mechanism includes a plurality of ejection cylinders 15 fixedly mounted at the lower ends of the forming cavity 3, the shaping cavity 4, and the flanging cavity 5, an actuating end of each ejection cylinder 15 penetrates through the female die 6 and the male die 7 and is fixedly connected with an ejection block 16, the male die 7 is provided with a clearance groove 17, and the ejection blocks 16 are slidably and cooperatively arranged in the clearance grooves 17. By utilizing the ejection cylinder, after the punching is finished, the heat insulation plate can be ejected out quickly, so that the speed of moving the heat insulation plate to the next station is increased.

In this embodiment, the guide mechanism includes guide posts 18 symmetrically disposed on two sides of the upper die 1 and guide grooves 19 disposed on the lower die 2 corresponding to the guide posts 18, and the guide posts 18 and the guide grooves 19 are disposed in a sliding fit manner. Through guide post and guide way, prevent to go up the position of mould and lower mould and squint at the punching press in-process, improve the precision of heat-insulating board behind the punching press.

In this embodiment, the die 6 is provided with a material sheet groove 20, and the limiting material sheet 9 is arranged in the material sheet groove 20. Through the tablet groove, can adjust the position of spacing tablet, improve positioning accuracy to improve punching press quality.

In this embodiment, a plurality of positioning blocks 21 are arranged corresponding to the guiding mechanism, the positioning blocks 21 are fixedly installed on two sides of the upper die 1, the lower die 2 is provided with positioning grooves 22, and the positioning blocks 21 and the positioning grooves 22 are arranged in a sliding fit manner. The upper die can reach the correct position in the stamping process by utilizing the positioning block.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not cause the essence of the corresponding technical solution to depart from the scope of the technical solution of the embodiments of the present invention, and are intended to be covered by the claims and the specification of the present invention.