CN210435084U

CN210435084U - Shaping die for taper pipe part of exhaust system

Info

Publication number: CN210435084U
Application number: CN201920842224.5U
Authority: CN
Inventors: 李洪坤
Original assignee: Jilin Province Zhenkun Yili Auto Parts Co Ltd
Current assignee: Jilin Province Zhenkun Yili Auto Parts Co Ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-05-01
Anticipated expiration: 2029-06-05

Abstract

The utility model relates to an exhaust system taper pipe part plastic mould, which comprises a main body, the main part both sides are equipped with punching press mechanism, the angle that punching press configuration becomes is unanimous with the angle of part, punching press mechanism still includes the hydro-cylinder, the oil block along separate routes, oil pipe, a piston, the connecting rod, the hydro-cylinder carries out the tube coupling through oil pipe with the oil block along separate routes, the piston is arranged in the hydro-cylinder and is connected with the connecting rod, center department is equipped with the part chamber in the main part, the left end in part chamber is equipped with big oval core, the right-hand member in part chamber is equipped with little oval core, big oval core all is equipped with the arc changeover portion with the one end of little oval core, big oval core all is connected with corresponding connecting rod. The utility model discloses a with the big oval core of the punching press mechanism drive of taper pipe part with the angle and carry out the punching press with little oval core to the big or small taper pipe at part both ends, accomplish the orificial correction of part, guaranteed that the orificial circularity of angle taper pipe part can quick recovery, convenient operation is swift, the efficiency of correction is high.

Description

Shaping die for taper pipe part of exhaust system

Technical Field

The utility model belongs to the technical field of correct mould, in particular to exhaust system taper pipe part plastic mould.

Background

Nowadays, the development of automobiles is particularly rapid, and the variety of automobile products is increasing due to the large demand of the market. Most of the conical pipe parts on the automobile exhaust system are integral parts, and can be machined by using corresponding dies through stamping, wherein two ports of part of the individual conical pipe parts have certain angles, the stamping process cannot be integrally stamped, at the moment, a complete part is required to be divided into a left part and a right part, after the two parts are machined, two independent parts are welded together to form the integral conical pipe part, and the machining and manufacturing of the integral conical pipe part are completed in such a way. However, in actual processing and production, after the spliced parts are produced by the production process of splitting and merging the two parts, welding stress can be generated by the uneven heating of the welding seam area in the welding process and the physical reaction of metal constraint around the welding seam, and plastic compression deformation can occur in the process of recooling the conical pipe of the parts due to the irregular change of the stress, so that the diameters of two pipe orifices of the welded conical pipe parts can not meet the tolerance requirement of a drawing, the conical orifices can not be installed and correspond to other parts when the conical pipe parts are installed, or the conical orifices can hardly correspond to each other, the installation difficulty is increased, and the installation efficiency is reduced. The welded taper mouth of the taper pipe part is irregularly changed, the pipe caliber needs to be corrected when meeting the requirement of drawing tolerance roundness, but the existing part shaping mode drives a corresponding shaping die to punch and shape the part through the vertical movement of a press machine, so that the taper pipe part with a certain angle cannot be shaped, the vertical movement punching process of the traditional press machine cannot achieve the purpose, and the shaping of the taper pipe part with the angle is bound by the angle of the pipe mouth.

SUMMERY OF THE UTILITY MODEL

The invention provides a shaping die for a taper pipe part of an exhaust system, which aims to solve the technical problems that the taper opening is deformed and the taper opening is inconvenient to correct after the taper pipe part with the angle is welded and connected.

The utility model provides a technical scheme that above-mentioned technical problem took is: the utility model provides an exhaust system taper pipe part plastic mould, its structural feature lies in, which comprises a main body, the main part both sides are equipped with stamping mechanism, the angle that stamping mechanism formed is unanimous with the angle of part, stamping mechanism still includes the hydro-cylinder, the oil block that shunts, oil pipe, a piston, the connecting rod, the hydro-cylinder carries out the tube coupling through oil pipe with the oil block that shunts, the piston is arranged in the hydro-cylinder and is connected with the connecting rod, center department is equipped with the part chamber in the main part, the left end in part chamber is equipped with big oval core, the right-hand member in part chamber is equipped with little oval core, big oval core all is equipped with the arc changeover portion with the one end of little oval core, the other end of big oval core and little.

Furthermore, the stamping mechanisms are two in number and are arranged at the left end and the right end of the main body and are bolted with the main body.

Furthermore, the angle formed by the large elliptical core and the small elliptical core is consistent with the angle of the punching mechanism.

Furthermore, the axial lead of the large elliptic core and the axial lead of the small elliptic core are respectively on the same straight line with the axial leads of the punching mechanisms on the two sides.

Furthermore, the shunt oil block is connected with oil cylinder pipelines on two sides and controls pistons on two sides to move inwards or outwards synchronously.

Furthermore, the piston moves in the oil cylinder and synchronously drives the large elliptical core and the small elliptical core to move through the connecting rod.

Furthermore, the part cavity and the part are arranged along the shape.

The utility model has the advantages that: the utility model discloses a with the big oval core of conical duct part with the punching press mechanism of angle drive big oval core and little oval core carry out the punching press to the big or small taper pipe at part both ends, the arc changeover portion can be easily with big oval core and little oval core guide and squeeze into corresponding conical duct in, accomplish the orificial correction of part, the orificial circularity of conical duct part that has guaranteed the angle can quick recovery, convenient operation is swift, only need a punching press can accomplish the orificial restoration of part, the efficiency of correction is high, the effectual conical duct part that has guaranteed the angle recovers fast after splicing again.

Drawings

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

fig. 2 is a schematic top view of the present invention;

in the figure: the stamping die comprises a main body 1, a stamping mechanism 2, an oil cylinder 21, a shunt oil block 22, an oil pipe 23, a piston 24, a connecting rod 25, a part cavity 3, a large elliptic core 4, a small elliptic core 5 and an arc transition section 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of the embodiments of the present invention, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

As an example, as shown in fig. 1 and fig. 2, a shaping mold for a taper pipe part of an exhaust system is structurally characterized by comprising a main body 1, wherein two stamping mechanisms 2 can be arranged on two sides of the main body 1, the stamping mechanisms 2 can be two and are arranged at the left and right of the two ends of the main body 1 and connected with the main body in a mode of flange bolts, an angle formed by the two stamping mechanisms 2 can be consistent with an angle formed by the axes of the taper pipes on the two sides of the taper pipe part, the stamping mechanism 2 can further comprise an oil cylinder 21, a shunt oil block 22, an oil pipe 23, a piston 24 and a connecting rod 25, the oil cylinder 21 and the shunt oil block 22 can be in pipeline connection through the oil pipe 23, the piston 24 can be arranged in the oil cylinder 21 and connected with the connecting rod 25, the shunt oil block 22 can be in pipeline connection with the oil cylinders 21 on the two sides and can control the pistons 24 in the oil cylinders, the center in the main body 1 can be provided with a part cavity 3, the part cavity 3 can be arranged along with the shape of the part, in practical application, the gap between the part cavity 3 and the part can be 0.3 mm to 3 mm, the left end of the part cavity 3 can be provided with a large elliptical core 4, the right end of the part cavity 3 can be provided with a small elliptical core 5, the angle formed by the large elliptical core 4 and the small elliptical core 5 can be consistent with the angle of the punching mechanism 2, the axial lines of the large elliptical core 4 and the small elliptical core 5 can be respectively in the same straight line with the axial lines of the punching mechanisms 2 on both sides, the piston 24 moves in the oil cylinder 21 and can synchronously drive the large elliptical core 4 and the small elliptical core 5 to move through the connecting rod 25, the pistons 24 on both sides and the large elliptical core 4 and the small elliptical core 5 can be connected in a pin key mode through the connecting rod 25, and sealing rings can be additionally arranged on the outer sides of the piston 24 and the large elliptical core 4, the small elliptical core 5 and the connecting rod, prevent revealing of hydraulic oil, guarantee good leakproofness, the tip end of big oval core 4 and little oval core 5 all can be equipped with arc changeover portion 6, and arc changeover portion 6 is the terminal arc chamfer or the hypotenuse chamfer of big oval core 4 or little oval core 5, can be comparatively smooth and easy when guaranteeing big oval core 4 or little oval core 5 punching press operation in the middle of the mouth of pipe of the corresponding side of plug-in taper pipe part.

The utility model discloses an in the embodiment, put into part chamber 3 with the taper pipe part from the side in, aim at the big cone mouth end of taper pipe part and the big end in part chamber 3, the little cone mouth end of taper pipe part is aimed at with the little end in part chamber 3 and is inserted, and the big distolateral big oval core 4 that corresponds in part chamber 3, the little distolateral little oval core 5 that corresponds in part chamber 3. The shunt oil block 22 can be connected with an external hydraulic machine, and the hydraulic machine drives pistons in the oil cylinders 21 on the two sides to move inwards or outwards synchronously, so that the large elliptical core 4 and the small elliptical core 5 are pushed to move and extrude into a conical opening of a conical pipe part, the purpose of correcting the size and the shape of the pipe opening of the part is achieved, and the conical pipe part is enabled to be quickly restored to the range of the qualified shape requirement of original design and processing.

The utility model discloses an in another embodiment, can be connected the oil circuit of oil piece 22 and punching machine along separate routes, the removal operation of big oval core 4 and little oval core 5 is controlled to the controller through the punching machine, main part 1 can the bolt crimping on the workstation of punching machine, such operation of highly making things convenient for operating personnel, need not bow, alleviate operating personnel's intensity of labour, the whole mould calibration work of button control of concurrent operation punching machine, and is convenient and fast, very big increase the convenience of use, the cost of manufacture of mould is low, service condition necessary factor is less, and the commonality is strong.

The utility model discloses a drive big oval core 4 and little oval core 5 and carry out the punching press to the big small taper pipe at part both ends with the punching press mechanism 2 of taper pipe part with the angle, arc changeover portion 6 is the chamfer of big oval core 4 or little oval core 5 front end, arc changeover portion 6 can be easily with big oval core 4 and little oval core 5 guide and squeeze into corresponding taper pipe, accomplish the orificial correction of part, the orificial circularity of taper pipe part of angle can quick recovery has been guaranteed, convenient operation is swift, only need a punching press can accomplish the orificial restoration of part, the efficiency of correction is high, the effectual taper pipe part of angle of having guaranteed recovers fast after splicing again.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be dominated by the protection scope of the claims.

Claims

1. The utility model provides an exhaust system taper pipe part plastic mould which characterized in that: the stamping mechanism comprises a main body, the main part both sides are equipped with stamping mechanism, the angle that stamping mechanism formed is unanimous with the angle of part, stamping mechanism still includes the hydro-cylinder, oil block along separate routes, oil pipe, a piston, the connecting rod, the hydro-cylinder carries out the tube coupling through oil pipe with oil block along separate routes, the piston is arranged in the hydro-cylinder and is connected with the connecting rod, center department is equipped with the part chamber in the main part, the left end in part chamber is equipped with big oval core, the right-hand member in part chamber is equipped with little oval core, big oval core all is equipped with the arc changeover portion with the one end of little oval core, big oval core all is connected with corresponding connecting rod with the other.

2. The exhaust system taper pipe part shaping die of claim 1, wherein: the punching mechanisms are two in number, are arranged at the left end and the right end of the main body and are bolted with the main body.

3. The exhaust system taper pipe part shaping die of claim 1, wherein: the angle formed by the large elliptical core and the small elliptical core is consistent with the angle of the punching mechanism.

4. The exhaust system taper pipe part shaping die of claim 1, wherein: the axial lead of the large elliptic core and the axial lead of the small elliptic core are respectively on the same straight line with the axial leads of the punching mechanisms on the two sides.

5. The exhaust system taper pipe part shaping die of claim 1, wherein: and the shunt oil block is connected with oil cylinder pipelines at two sides and controls pistons at two sides to move inwards or outwards synchronously.

6. The exhaust system taper pipe part shaping die of claim 1, wherein: the piston moves in the oil cylinder and synchronously drives the large elliptical core and the small elliptical core to move through the connecting rod.

7. The exhaust system taper pipe part shaping die of claim 1, wherein: the shape of the part cavity and the shape of the part are arranged along with the shape of the part.