CN219112677U

CN219112677U - Silencer shell stamping die

Info

Publication number: CN219112677U
Application number: CN202223593651.5U
Authority: CN
Inventors: 王仕东
Original assignee: CHANGZHOU DONGSHIHAO MACHINERY MANUFACTURING CO LTD
Current assignee: CHANGZHOU DONGSHIHAO MACHINERY MANUFACTURING CO LTD
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-02
Anticipated expiration: 2032-12-30

Abstract

The utility model belongs to the field of production equipment of silencers, and particularly relates to a silencer shell stamping die; muffler casing stamping die, it includes module and lower module, its characterized in that: the upper surface of the lower module is provided with a stand column, the upper part of the stand column is rotationally connected with a bearing plate, the middle part of the bearing plate is provided with a through hole, the lower module corresponding to the through hole is provided with a punching die holder, a telescopic supporting component is also arranged in the lower module beside the punching die holder, the upper end of the supporting component is propped against the lower surface of the bearing plate, and the upper module is provided with a compression bar; the utility model designs the stamping die for the silencer shell, which realizes the rotation positioning automation of the silencer shell, improves the production efficiency, reduces the risk of manual operation and improves the safety.

Description

Silencer shell stamping die

Technical Field

The utility model belongs to the field of production equipment of silencers, and particularly relates to a silencer shell stamping die.

Background

The small-sized petrol engine is widely applied to the field of garden tools and rescue tools. However, the small gasoline engine is inherently insufficient in combustion and high in harmful gas emission. The silencer can ensure that the emission of the gasoline engine reaches the standard and can keep the original comprehensive performance of the gasoline engine, so that the silencer is widely applied to small gasoline engines.

The surface of muffler casing is formed with the boss of a slope, and need set up a through-hole on the surface of boss, because this boss is not well fixed a position, mainly places the product on a positioner through the manual work of people among the prior art, then carries out punching processing, and the manual work is placed and is likely to have the error, and the manual operation has great risk factor, is unfavorable for safety in production.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model designs the stamping die for the silencer shell, which realizes the rotation positioning automation of the silencer shell, improves the production efficiency, reduces the risk of manual operation and improves the safety.

The technical scheme of the utility model is as follows:

muffler casing stamping die, it includes module and lower module, its characterized in that: the upper surface of lower module be equipped with a stand, the upper portion of stand rotates and is connected with a carrier plate, the middle part of carrier plate is equipped with a through-hole, is equipped with the punching press die holder on the lower module that the through-hole corresponds, still is equipped with telescopic supporting component in the lower module that is located the punching press die holder side, supporting component's upper end offsets with the lower surface of carrier plate, last module on be equipped with a depression bar.

Further, the support assembly comprises a support mounting hole arranged on the lower module, a support guide rod capable of sliding up and down is arranged in the support mounting hole, and a support spring for driving the support guide rod to reset is further arranged in the support mounting hole.

Further, the lower end of the compression bar is provided with an inclined plane, and the angle of the inclined plane is the same as the rotation angle of the bearing plate.

Further, an inclined surface is arranged between the side surface and the bottom surface of the supporting plate at one end, far away from the upright post, of the supporting plate, and the inclined surface is attached to the upper surface of the lower module after the supporting plate rotates.

Further, the upper module comprises an upper template connected with stamping equipment, a bottom plate is fixed on the lower surface of the upper template, a mounting plate is connected to the bottom plate, a punch is fixedly arranged on the mounting plate, a plurality of mounting holes are formed in the bottom plate and the mounting plate, elastic pieces are arranged in the mounting holes, a plurality of through holes are further formed in the upper template, the bottom plate and the mounting plate, the upper module further comprises a pre-pressing plate, a connecting screw penetrates through the through holes to be connected with the pre-pressing plate, and the lower end of the elastic pieces are propped against the upper surface of the pre-pressing plate.

Further, the stamping die holder comprises a base body connected with the lower die set, the upper end of the base body is provided with a profiling supporting surface, and the profiling supporting surface can support the silencer shell after rotation.

In summary, the utility model has the following beneficial effects:

1. according to the utility model, the stamping die of the silencer shell is improved, the bearing plate which rotates around the upright post is additionally arranged, the inclined surface of the inclined boss on the silencer shell is converted into a horizontal shape in the rotating process of the bearing plate, the converted silencer shell is supported by the stamping die holder to carry out stamping operation, the conversion from difficult processing to convenient processing is realized by the die design, the production efficiency is improved, the safety risk existing in manual operation in the prior art is overcome, and the production safety is improved.

2. The upper module is designed by adopting a multi-layer module, and the pre-pressing plate supported by the elastic piece can be used for pre-pressing the silencer shell to ensure the positioning reliability, and can return after the stamping is finished, and the workpiece can be detached from the punch to realize automatic unloading.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the support assembly and the support plate in a horizontal state;

FIG. 3 is a schematic view of the support assembly and the support plate in an inclined state;

FIG. 4 is a perspective cross-sectional view of the pre-compression plate and compression bar acting on the muffler shell and the bearing plate;

in the figure, 1 is an upper module, 10 is a compression bar, 100 is an inclined plane, 11 is a bottom plate, 12 is a mounting plate, 13 is a punch, 14 is a mounting hole, 15 is an elastic piece, 16 is a through hole, 17 is a pre-pressing plate, 18 is a connecting screw, 19 is an upper template,

2 is a lower die set, 20 is a column, 21 is a supporting plate, 22 is a through hole, 23 is a punching die holder, 24 is a supporting component, 240 is a supporting installation hole, 241 is a supporting guide rod, 242 is a supporting spring, 210 is an inclined plane, 230 is a base, 231 is a profiling supporting surface,

and 3 is a muffler shell.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present utility model fall within the protection scope of the present utility model.

Referring to fig. 1 to 4, the silencer casing stamping die comprises an upper die set 1 and a lower die set 2, and is characterized in that: the upper surface of lower module 2 be equipped with a stand 20, the upper portion of stand 20 rotates and is connected with a carrier plate 21, the middle part of carrier plate 21 is equipped with a through-hole 22, is equipped with punching press die holder 23 on the lower module 2 that through-hole 22 corresponds, still is equipped with telescopic supporting component 24 in the lower module 2 that is located punching press die holder 23 side, the upper end of supporting component 24 offsets with the lower surface of carrier plate 21, last module 1 on be equipped with a depression bar 10.

The utility model designs a silencer shell stamping die, a workpiece is positioned through a bearing plate, a pressing rod drives the bearing plate to rotate around the joint of the bearing plate and a stand column in the pressing process of an upper die set until the other end of the bearing plate is clung to the surface of a lower die set, at the moment, the surface of a boss on the silencer shell is horizontal, stamping is convenient, further, a supporting component arranged on the lower die set is compressed in the rotating process of the bearing plate, after the die assembly stamping of the upper die set and the lower die set is completed, the upper die set returns, at the moment, the supporting component rebounds and resets, and the bearing plate is driven to return and reach a horizontal state.

In this embodiment, the supporting component 24 includes a supporting installation hole 240 disposed on the lower module 2, a supporting guide rod 241 capable of sliding up and down is disposed in the supporting installation hole 240, a supporting spring 242 for driving the supporting guide rod to reset is further disposed in the supporting installation hole 240, the structure of the supporting component is limited here, the supporting guide rod can slide up and down in the supporting installation hole, when the supporting plate is pressed down to rotate, the supporting guide rod moves downwards, the supporting spring is compressed, after the stamping processing is completed, the upper module returns, at this time, the supporting spring rebounds to drive the supporting guide rod to move upwards, and drives the supporting plate to rotate and reset, finally, the state that the supporting plate is horizontal is reached.

In this embodiment, the lower end of the compression bar 10 is provided with the inclined plane 100, the angle of the inclined plane is the same as the rotation angle of the support plate, the rotation angle of the support plate is the angle between the support plate and the conversion from the horizontal state to the inclined state, in the rotation process of the support plate, the contact surface between the compression bar and the support plate is continuously changed, the contact between the compression bar and the support plate is not stable, and when the support plate rotates in place, the inclined plane at the lower end of the compression bar is clung to the surface of the support plate, so that the contact area is increased, and the compression reliability between the compression bar and the support plate is ensured.

In this embodiment, be equipped with inclined plane 210 between the side and the bottom surface of the carrier plate 21 that keeps away from the one end of stand, rotate the back at the carrier plate, the upper surface laminating of inclined plane and lower module, the contact between the tip of carrier plate and the lower module surface can constantly aggravate the wearing and tearing between the tip of carrier plate, adopts the inclined plane design for contact between the two is the face contact, reduces wearing and tearing, avoids the positioning error that brings after wearing and tearing.

Further, the upper die set 1 includes an upper die plate 10 connected with a stamping device, a bottom plate 11 is fixed on the lower surface of the upper die plate 10, a mounting plate 12 is connected to the bottom plate 11, a punch 13 is fixedly arranged on the mounting plate 12, a plurality of mounting holes 14 are formed in the bottom plate 11 and the mounting plate 12, elastic members 15 are arranged in the mounting holes 14, the elastic members are springs or cowhells, a plurality of through holes 16 are further formed in the upper die plate 10, the bottom plate 11 and the mounting plate 12, a pre-pressing plate 17 is further included, a connecting screw 18 penetrates through the through holes 16 and is connected with the pre-pressing plate 17, the lower end of the elastic members 15 abuts against the upper surface of the pre-pressing plate, the structure of the upper die set is limited, the pre-pressing plate of the upper die set is a movable member, the upper die set pre-fixes a workpiece through the pre-pressing plate in the pressing process of the upper die set, the punch continuously presses the workpiece, at the moment, the elastic members are compressed, and when the upper die set is lifted up, the elastic members rebound, the plates move downwards and push the workpiece from the upper die set to be unloaded from the upper die set.

Further, the stamping die holder 23 includes a base 230 connected with the lower module, and a profiling supporting surface 231 is disposed at the upper end of the base, and can support the rotated muffler shell 3, and can stably support the muffler shell, thereby ensuring processing quality and processing precision.

In summary, the utility model has the following beneficial effects:

Claims

1. Muffler casing stamping die, it includes module and lower module, its characterized in that: the upper surface of lower module be equipped with a stand, the upper portion of stand rotates and is connected with a carrier plate, the middle part of carrier plate is equipped with a through-hole, is equipped with the punching press die holder on the lower module that the through-hole corresponds, still is equipped with telescopic supporting component in the lower module that is located the punching press die holder side, supporting component's upper end offsets with the lower surface of carrier plate, last module on be equipped with a depression bar.

2. The muffler shell stamping die of claim 1, wherein: the support assembly comprises a support mounting hole arranged on the lower module, a support guide rod capable of sliding up and down is arranged in the support mounting hole, and a support spring for driving the support guide rod to reset is further arranged in the support mounting hole.

3. The muffler shell stamping die as defined in any one of claims 1 or 2, wherein: the lower end of the compression bar is provided with an inclined plane, and the angle of the inclined plane is the same as the rotation angle of the bearing plate.

4. A muffler shell stamping die as defined in claim 3, wherein: an inclined surface is arranged between the side surface and the bottom surface of the supporting plate at one end, far away from the upright post, of the supporting plate, and the inclined surface is attached to the upper surface of the lower module after the supporting plate rotates.

5. The muffler shell stamping die of claim 4, wherein: the upper die set include the cope match-plate pattern of being connected with stamping equipment, the lower fixed surface of cope match-plate pattern has the bottom plate, is connected with the mounting panel on the bottom plate, the fixed setting of drift is on the mounting panel, bottom plate and mounting panel on be equipped with a plurality of mounting holes, be equipped with the elastic component in the mounting hole, cope match-plate pattern, bottom plate and mounting panel on still be equipped with a plurality of through-holes, still include a pre-pressing board, connecting screw passes the through-hole and is connected with the pre-pressing board, and the lower extreme of elastic component offsets with the upper surface of pre-pressing board.

6. The muffler shell stamping die of claim 5, wherein: the stamping die holder comprises a base body connected with the lower die set, the upper end of the base body is provided with a profiling supporting surface, and the profiling supporting surface can support the silencer shell after rotation.