CN212310538U

CN212310538U - Hump forming rotary expanding die form structure of aftertreatment exhaust system

Info

Publication number: CN212310538U
Application number: CN202020999038.5U
Authority: CN
Inventors: 马强; 田连营
Original assignee: Hubei Tonglian Auto Parts Co ltd
Current assignee: Hubei Tonglian Auto Parts Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-01-08
Anticipated expiration: 2030-06-04

Abstract

The utility model provides a hump forming rotary expanding die shape structure of a post-processing exhaust system, which comprises an outer die structure; the outer die structure is directly wrapped and installed on the outer side of the inner die structure, and a top cover structure is installed at the top end of the outer die structure; the utility model discloses an extrusion die, including interior profile modeling mould, outer profile modeling mould, fixed screw, the ejector pin structure is hugged closely to the central point of interior mould structure puts inside and installs, interior mould structure includes interior profile modeling mould, the profile modeling groove, the lateral surface of the interior profile modeling mould of interior mould structure leans on top department to be equipped with the profile modeling groove, and the inboard profile modeling groove of the outside profile modeling mould of interior profile modeling mould forms the state of mutually supporting, interior profile modeling mould can carry out rotatory state in the middle of the outside extrusion process simultaneously, the outer profile modeling mould of eight departments of outer mould structure is fixed through the set screw of top department, through the outer profile modeling mould that set screw installed fixedly, if take place the change that can be wantonly when damaging, and the outer profile modeling mould of eight departments makes.

Description

Hump forming rotary expanding die form structure of aftertreatment exhaust system

Technical Field

The utility model belongs to the technical field of the processing model, more specifically say, in particular to mould morphological structure is expanded soon in aftertreatment exhaust system hump shaping.

Background

A hump forming die is a technological method for applying pressure to a rotating blank clamped on a spinning machine by using a spinning tool to generate continuous plastic deformation and gradually forming a rotating part, wherein the conventional hump forming uses the spinning die, and a product material flows until the product material is attached to the spinning die by extruding an inner wheel and an outer wheel to form a hump shape.

Based on the above, the material flow is uneven in the spinning forming process of the existing spinning mode, the material is uneven in the extrusion force, the wall thickness of the material is prone to being reduced greatly, the requirement of the wall thickness of the material cannot be met, the product cannot be centered in the forming process, and the roundness of the diameter outline is not good.

In view of the above, the present invention provides a hump forming rotary expanding mold configuration structure of an exhaust system for post-treatment, which is improved in view of the existing structure and defects, and is intended to achieve a more practical purpose.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a postprocessing exhaust system hump shaping expands mould morphological structure soon to solve current hump forming die function singleness, material flow is inhomogeneous in the forming process, and the material receives the extrusion force inhomogeneous, and it is big easily to appear the material wall thickness attenuate, the not good problem of diameter profile circularity.

The utility model discloses the purpose and the efficiency of aftertreatment exhaust system hump shaping rotary expanding mould morphological structure are reached by following specific technological means:

a hump forming rotary expanding die shape structure of a post-processing exhaust system comprises an outer die structure; the outer die structure is directly wrapped and installed on the outer side of the inner die structure, and a top cover structure is installed at the top end of the outer die structure; the central point of interior mould structure puts inside hug closely and installs the ejector pin structure, interior mould structure includes interior profile modeling mould, profile modeling groove, the lateral surface of the interior profile modeling mould of interior mould structure is equipped with the profile modeling groove by top department, and the inboard profile modeling groove of the outside profile modeling groove of interior profile modeling mould and outer profile modeling mould forms the state of mutually supporting, and interior profile modeling mould can carry out rotatory state in the middle of the outside extrusion process simultaneously.

Furthermore, the outer mould structure includes outer profile modeling mould, clamping screw, guide post, the outer profile modeling mould of outer mould structure wholly is provided with eight, and wherein the outer profile modeling mould of every department is direct fixes through the clamping screw of top department, and respectively is provided with the guide post in the left and right sides position of installation clamping screw.

Furthermore, the ejector rod structure comprises a conical ejector rod, the whole ejector rod structure is a conical ejector rod, the upper end part of the whole conical ejector rod is in a conical surface state, and the conical surface of the conical ejector rod is tightly attached to the inner profiling mold.

Further, the top cap structure includes safety protection cover, main spout, and the side spout, set up eight main flutings that become circumference array state on top cap structure's the safety protection cover, and all be equipped with the side spout in the main slotted left and right sides position of every department.

Further, the whole sideslip groove that opens on the safety protection cover is less than main spout, and the whole of main spout with control between the sideslip groove at both ends the state that is parallel to each other.

Compared with the prior art, the utility model discloses following beneficial effect has:

the setting of outer mould structure, the outer copying mold of eight departments of outer mould structure are fixed through the set screw of top department, through the outer copying mold of set screw installation fixed, if can change wantonly when taking place a damage, and the outer copying mold of eight departments makes the work piece atress more even.

The setting of interior mould and ejector pin structure, the profile groove between interior profile modeling mould and the outer profile modeling mould can mutually support, simultaneously can make interior profile modeling mould do the action that expands of outwards extruding simultaneously, thereby realize the even effect of atress of the mould of processing, the conical surface of toper ejector pin upper end part can laminate each other with interior profile modeling mould's interior terminal surface, thereby make can pass through the conical surface when the toper ejector pin rises in the middle of, the motion of outwards extruding is to the interior profile modeling mould of laminating outside the toper ejector pin, realize the fashioned purpose of mould, it is inhomogeneous also to have avoided the material extrusion force simultaneously, the easy material wall thickness attenuate that appears is big, the problem that diameter profile circularity is not good.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the device of the present invention.

Fig. 3 is a schematic diagram of a partially enlarged structure at a in fig. 2 according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. an outer mold structure; 101. an outer profiling mold; 102. fixing the screw rod; 103. a guide post; 2. an inner mold structure; 201. an inner profiling mold; 202. profiling grooves; 3. a push rod structure; 301. a conical ejector rod; 4. a roof structure; 401. a safety protection cover; 402. a main chute; 403. and a side chute.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 3:

the utility model provides a hump forming rotary expanding mould shape structure of a post-processing exhaust system, which comprises an outer mould structure 1; the outer die structure 1 is directly wrapped and installed on the outer side of the inner die structure 2, and a top cover structure 4 is installed at the top end of the outer die structure 1; the ejector rod structure 3 is closely installed to the inside central point of putting of interior mould structure 2, interior mould structure 2 includes interior profile modeling mould 201, profile modeling groove 202, the lateral surface of interior profile modeling mould 201 of interior mould structure 2 is equipped with profile modeling groove 202 by top department, and the outside profile modeling groove 202 of interior profile modeling mould 201 and the profile modeling groove 202 of outer profile modeling mould 101 inboard form the state of mutually supporting, interior profile modeling mould 201 can carry out rotatory state in the middle of the outside extrusion process simultaneously, the profile modeling groove 202 between interior profile modeling mould 201 and the outer profile modeling mould 101 can mutually support, can make interior profile modeling mould 201 do the action of outwards extrudeing simultaneously and expanding simultaneously, thereby realize the even effect of atress of the mould of processing.

Wherein, outer mould structure 1 includes outer profile modeling mould 101, fixing screw 102, guide post 103, outer profile modeling mould 101 of outer mould structure 1 is whole to be provided with eight, wherein every outer profile modeling mould 101 is direct fixes through the fixing screw 102 of top department, and both ends position respectively is provided with guide post 103 about installation fixing screw 102, outer profile modeling mould 101 of eight of outer mould structure 1 is fixed through the fixing screw 102 of top department, through the fixed outer profile modeling mould 101 of fixing screw 102 installation, if take place the damage can be arbitrary change, and outer profile modeling mould 101 of eight makes the machined part atress more even.

Wherein, ejector pin structure 3 includes toper ejector pin 301, ejector pin structure 3's whole is a toper ejector pin 301, the whole upper end part of this toper ejector pin 301 is the state of becoming the conical surface, and be the state of hugging closely between the tapering surface of toper ejector pin 301 and interior profile modeling mould 201, the conical surface of toper ejector pin 301 upper end part can laminate each other with the interior terminal surface of interior profile modeling mould 201, thereby make and can pass through the conical surface when toper ejector pin 301 rises, do the motion of outside extrusion with interior profile modeling mould 201 that the toper ejector pin 301 outside was laminated, realize the fashioned purpose of mould.

Wherein, top cap structure 4 includes safety protection cover 401, main spout 402, sideslip groove 403, sets up eight main flutings that become the circumference array state on top cap structure 4's the safety protection cover 401, and all is equipped with sideslip groove 403 in the left and right sides position of every main fluting, and eight main spouts 402 that set up on safety protection cover 401 are towards the state at circle center for main profile modeling mould through main spout 402 installation can, do the gliding motion to centre of a circle direction.

The side sliding grooves 403 formed in the safety protection cover 401 are entirely smaller than the main sliding groove 402, the main sliding groove 402 is parallel to the side sliding grooves 403 at the left end and the right end, the side sliding grooves 403 formed at the left end and the right end of the main sliding groove 402 mainly play a certain auxiliary guiding role, and the top end of the outer copying mold 101 is directly installed in the side sliding grooves 403, so that the guiding effect of the outer copying mold 101 during inward sliding can be effectively achieved, and the stability of the outer copying mold 101 during movement is ensured.

The specific use mode and function of the embodiment are as follows:

in the utility model, the eight outer copying molds 101 of the outer mold structure 1 are fixed by the fixing screw 102 at the top end, the outer copying molds 101 fixed by the fixing screw 102 can be arbitrarily replaced if one damage occurs, and the stress of the processed piece is more uniform by the eight outer copying molds 101, the side sliding grooves 403 arranged at the left and right ends of the main sliding groove 402 mainly play a certain auxiliary guiding role, the outer copying molds 101 are directly arranged in the side sliding grooves 403, so that the guiding effect when the outer copying molds 101 slide inwards can be effectively played, the stable purpose when the outer copying molds 101 move is ensured, the copying grooves 202 between the inner copying molds 201 and the outer copying molds 101 can be matched with each other, and the expanded inner copying molds 201 can be extruded outwards, so that the stress of the processed molds is uniform, the conical surface of the upper end part of the conical ejector rod 301 can be attached to the inner end surface of the inner profiling mold 201, so that the conical ejector rod 301 can pass through the conical surface when rising, the inner profiling mold 201 attached to the outer side of the conical ejector rod 301 moves in an outward extrusion mode, the purpose of mold forming is achieved, meanwhile, the problems that the extrusion force of a material is uneven, the wall thickness of the material is large in thinning, and the roundness of the diameter profile is not good are solved.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a aftertreatment exhaust system hump shaping expands mould morphological structure soon which characterized in that: comprising an outer mould structure (1); the outer die structure (1) is directly wrapped and installed on the outer side of the inner die structure (2), and a top cover structure (4) is installed at the top end of the outer die structure (1); the central point of interior mould structure (2) puts inside hugging closely and installs ejector pin structure (3), interior mould structure (2) are equipped with profile modeling groove (202) including interior profile modeling mould (201), profile modeling groove (202), the lateral surface of interior profile modeling mould (201) of interior mould structure (2) leans on top department to be equipped with profile modeling groove (202), and the state of mutually supporting is formed with profile modeling groove (202) of outer profile modeling mould (101) inboard in outside profile modeling groove (202) of interior profile modeling mould (201), and interior profile modeling mould (201) can carry out rotatory state in the middle of the outside extrusion process simultaneously.

2. The hump forming rotary expanding die morphological structure of the aftertreatment exhaust system according to claim 1, wherein: the outer mould structure (1) comprises an outer copying mould (101), fixing screws (102) and guide columns (103), wherein eight positions are integrally arranged on the outer copying mould (101) of the outer mould structure (1), each outer copying mould (101) is directly fixed through the fixing screw (102) at the top end, and the guide columns (103) are respectively arranged at the left end and the right end of the fixing screw (102).

3. The hump forming rotary expanding die morphological structure of the aftertreatment exhaust system according to claim 1, wherein: the ejector rod structure (3) comprises a conical ejector rod (301), the whole ejector rod structure (3) is the conical ejector rod (301), the upper end part of the whole conical ejector rod (301) is in a conical surface state, and the conical surface of the conical ejector rod (301) is tightly attached to the inner profiling mold (201).

4. The hump forming rotary expanding die morphological structure of the aftertreatment exhaust system according to claim 1, wherein: top cap structure (4) include safety protection cover (401), main spout (402), sideslip groove (403), set up eight main flutings that become circumference array state on safety protection cover (401) of top cap structure (4), and all be equipped with side spout (403) in the main slotted left and right sides position of every department.

5. The hump forming rotary expanding die morphological structure of the aftertreatment exhaust system according to claim 4, wherein: the side sliding grooves (403) formed in the safety protection cover (401) are smaller than the main sliding groove (402) in whole, and the main sliding groove (402) is parallel to the side sliding grooves (403) at the left end and the right end.