CN216881537U - Hollow long shaft end flange extrusion forming device - Google Patents
Hollow long shaft end flange extrusion forming device Download PDFInfo
- Publication number
- CN216881537U CN216881537U CN202220030752.2U CN202220030752U CN216881537U CN 216881537 U CN216881537 U CN 216881537U CN 202220030752 U CN202220030752 U CN 202220030752U CN 216881537 U CN216881537 U CN 216881537U
- Authority
- CN
- China
- Prior art keywords
- die
- mold
- split
- combined
- core rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Extrusion Of Metal (AREA)
Abstract
The utility model discloses an extrusion forming device for a flange at the end part of a hollow long shaft part, which comprises a combined die, wherein the combined die comprises an outer die with a cylindrical structure, a core rod is inserted in the outer die, the outer of the core rod is coated with a split die of the combined die, one end of the outer die is clamped with a bottom die, one ends of the core rod and the split die of the combined die are fixedly clamped with the bottom die, and the other ends of the core rod and the split die of the combined die extend out of the outer die; the part of the split mold of the combined mold, which is positioned in the outer mold, is provided with a smooth forming bulge, and the inner wall of the outer mold is provided with a forming groove corresponding to the forming bulge; the combined mold split mold is externally used for sleeving a blank, and one end, far away from the external mold, of the blank is clamped at the fixed end of the blank. The extrusion forming device for the end flange of the hollow long shaft part, provided by the utility model, can realize the forging forming of the hollow long shaft with the flange, has high processing precision and reduces the waste of materials.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to an extrusion forming device for an end flange of a hollow long shaft piece.
Background
Compared with a solid shaft, the hollow shaft has the advantages of light weight, small vibration, less material consumption and the like under the condition of meeting the use requirement. Has wide application in various fields of national economy. In the current industrial production, the relatively mature method for producing the hollow long shaft with the flange is as follows: mechanical working and plastic forming, but both methods have certain drawbacks such as waste of working materials and difficulty in controlling working precision. Therefore, it is very important to search a simple and practical extrusion forming process for the end flange of the hollow long shaft piece.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an extrusion forming device for an end flange of a hollow long shaft piece, which is used for solving the problems in the prior art, realizing the forging forming of the hollow long shaft with the flange, having high processing precision and reducing the waste of materials.
In order to achieve the purpose, the utility model provides the following scheme:
the utility model provides an extrusion forming device for a flange at the end part of a hollow long shaft part, which comprises an assembled die, wherein the assembled die comprises an outer die with a cylindrical structure, a core rod is inserted into the outer die, the outer die is coated with an assembled die split die, one end of the outer die is clamped with a bottom die, one ends of the core rod and the assembled die split die are fixedly clamped with the bottom die, and the other ends of the core rod and the assembled die split die extend out of the outer die; the part of the split mold of the combined mold, which is positioned in the outer mold, is provided with a smooth forming bulge, and the inner wall of the outer mold is provided with a forming groove corresponding to the forming bulge; the combined die split mold is externally used for sleeving a blank, and one end, far away from the outer mold, of the blank is clamped at the fixed end of the blank.
Optionally, the external mold includes the same and symmetrical composite mold external mold that sets up of two structures, plays control shaft class external diameter, guide metal trend and prevents the effect of warp unstability, the composite mold external mold is half-cylinder structure, the shaping recess is including offering in the bar groove at composite mold external mold inner wall middle part, bar groove both ends are connected with level and smooth arc recess.
Optionally, the forming protrusion comprises a rectangular platform corresponding to the strip-shaped groove, and two ends of the rectangular platform are connected with arc protrusions corresponding to the arc grooves.
Optionally, the cross section of the combined mold split mold is of an annular structure, and plays roles of controlling the inner diameter and supporting in the process of forming the extruded hollow shaft, and the combined mold split mold comprises four first split molds and four second split molds which are sequentially arranged at intervals; the width that first split mold is located protruding position department of taking shape is less than the width of first split mold other positions department, the width that second split mold is located protruding position department of taking shape is greater than the width of second split mold other positions department, and first split mold is located protruding position department of taking shape from the centre to both ends width crescent, and second split mold is located protruding position department of taking shape from the centre to both ends width reduce gradually to first split mold and second split mold can connect gradually the setting, makes every first split mold both sides be second split mold, and in the same way, every second split mold both sides also are first split mold.
Optionally, the bottom die is provided with two female dies which are concentrically arranged, male dies are arranged at one ends, close to the bottom die, of the combined die outer die and the combined die split die, and the male dies of the combined die outer die and the combined die split die can be correspondingly clamped with the two female dies of the bottom die respectively; the die block middle part is provided with "rice" font location die, plug one end is provided with the location terrace die of "rice" font structure, the location terrace die can with location die joint.
The utility model also provides an extrusion forming process of the end flange of the hollow long shaft piece, which comprises the following steps:
before forging, firstly heating the end part of a blank part needing deformation, and simultaneously preheating a combined die;
then, starting an upsetting process, feeding the combined die until the blank is extruded and filled into the whole combined die, penetrating the core rod and the split die of the combined die into the blank, and stopping feeding when the blank has the required bulging shape;
and (3) taking out the combined film, withdrawing the bottom die, taking out the two outer dies, horizontally taking out the core rod, respectively taking out the four first combined split dies and the four second combined split dies, and finally machining and finishing the shape of the flange.
Compared with the prior art, the utility model has the following technical effects:
the utility model adopts the combined die to carry out upsetting process, the combined die feeds, the pressure head part of the combined die is responsible for controlling the inner diameter and the supporting function, and the outer die of the combined die is responsible for controlling the shaft outer diameter, guiding the metal trend and preventing the deformation instability until the blank is extruded and filled into the whole combined die, and the required bulging shape appears. Compared with the traditional processing technology, the technology can be formed once, save working hours, improve the utilization rate of materials, reduce the waste of materials, and has high product precision and good mechanical property.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of end heating of a billet according to the present invention;
FIG. 2 is a schematic view of the present invention prior to the forming process;
FIG. 3 is a schematic representation of the utility model after the forming process;
FIG. 4 is a schematic view of the combined mold of the present invention after the bottom mold is taken out;
FIG. 5 is a schematic view of the bottom mold and the outer mold of the assembled mold of the present invention after being taken out;
FIG. 6 is a schematic diagram of the combined mold after the bottom mold, the outer mold and the core rod are taken out;
FIG. 7 is a schematic view of a segmented mold of the present invention;
FIG. 8 is a schematic view of a segmented mold removing outer mold of the present invention;
FIG. 9 is a schematic view of an outer mold of a segmented mold of the present invention;
FIG. 10 is a schematic bottom die of the segmented die of the present invention;
FIG. 11 is a schematic illustration of mandrels in a segmented mold of the present invention;
FIG. 12 is a schematic view of a first split mold of a segmented mold of the present invention;
FIG. 13 is a schematic view of a second split mold of the segmented mold of the present invention;
FIG. 14 is a blank securing end of the present invention;
wherein: 1. the blank 2, the combined die outer die 3, the bottom die 4, the core rod 5, the first split die 6, the second split die 7, the blank fixing end 8, the forming protrusion 9, the forming groove 10, the strip groove 11, the rectangular platform 12, the positioning female die 13, the positioning male die 14, the female die 15 and the male die.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model aims to provide an extrusion forming device for an end flange of a hollow long shaft piece, which is used for solving the problems in the prior art, realizing the forging forming of the hollow long shaft with the flange, having high processing precision and reducing the waste of materials.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to the attached drawings 1-14, the utility model provides an extrusion forming device for an end flange of a hollow long shaft part, which comprises a combined die, wherein the combined die comprises an outer die with a cylindrical structure, a core rod is inserted in the outer die, the outer of the core rod is coated with a split die of the combined die, one end of the outer die is clamped with a bottom die 3, one ends of the core rod 4 and the split die of the combined die are fixedly clamped with the bottom die 3, and the other ends of the core rod 4 and the split die of the combined die extend out of the outer die; the part of the split mold of the combined mold, which is positioned in the outer mold, is provided with a smooth forming bulge 8, and the inner wall of the outer mold is provided with a forming groove 9 corresponding to the forming bulge 8; the combined mold split mold is externally used for sleeving the blank 1, and one end, far away from the outer mold, of the blank 1 is clamped at the blank fixed end 7.
Specifically, the external mold includes two combination die external molds 2 that the structure is the same and the symmetry sets up, plays control shaft class external diameter, guide metal trend and prevents the effect of warp unstability, and combination die external mold 2 is half cylindrical structure, and shaping recess 9 is connected with level and smooth arc recess including seting up in the bar groove 10 at 2 inner wall middle parts of combination die external mold, bar groove 10 both ends. The forming bulge 8 comprises a rectangular platform 11 corresponding to the position of the strip-shaped groove 10, and arc-shaped bulges corresponding to the positions of the arc-shaped grooves are connected at two ends of the rectangular platform 11.
The cross section of the combined mold split mold is of an annular structure, the combined mold split mold has the functions of controlling the inner diameter and supporting in the process of forming the extruded hollow shaft, and the combined mold split mold comprises four first split molds 5 and four second split molds 6 which are sequentially arranged at intervals; the width that first split mold 5 is located the protruding 8 positions department that takes shape is less than the width that first split mold 5 other positions department, the width that second split mold 6 is located the protruding 8 positions department that takes shape is greater than the width that 6 other positions of second split mold department, and first split mold 5 is located protruding 8 positions department that takes shape from the centre to both ends width crescent gradually, second split mold 6 is located protruding 8 positions department that takes shape from the centre to both ends width reduce gradually, thereby first split mold 5 and second split mold 6 can connect gradually the setting, make every 5 both sides of first split mold be second split mold 6, and in the same way, 6 both sides of every second split mold are first split mold 5 also.
The bottom die 3 is provided with two female dies 14 which are concentrically arranged, male dies 15 are arranged at one ends of the combined die outer die 2 and the combined die split die close to the bottom die 3, and the combined die outer die 2 and the male dies 15 of the combined die split die can be correspondingly clamped with the two female dies 14 of the bottom die 3 respectively; the middle part of the bottom die 3 is provided with a positioning female die 12 shaped like a Chinese character 'mi', one end of the core rod 4 is provided with a positioning male die 13 shaped like a Chinese character 'mi', and the positioning male die 13 can be clamped with the positioning female die 12.
The utility model also provides an extrusion forming process of the end flange of the hollow long shaft part, which comprises the following steps:
firstly, end heating is carried out on the formed part of the blank 1, meanwhile, the combined die is preheated, then the blank 1 is arranged on the fixed end 7 of the blank, as shown in fig. 14, the male die 15 is arranged at the bottom of the outer die 2, the core rod 4, the four first split dies 5 and the four second split dies 6 and is combined with the female die 14 of the bottom die 3, and the combined die is formed together, as shown in fig. 7. The specific shape of the four first split molds 5 is an arc-shaped cylindrical body with a wide inner part and a narrow outer part, as shown in fig. 12, and the four second split molds 6 are arc-shaped cylindrical bodies with a narrow inner part and a wide outer part, as shown in fig. 13, which are matched with the first split molds 5. The four first split molds 5, the four second split molds 6 and the core rod 4 together constitute a ram of the split mold, as shown in fig. 8. After the die is ready, as shown in fig. 2, the die segments start to feed, the pressure head part of the die segments starts to contact the blank 1, the blank 1 starts to deform under the pressure of the pressure head, wherein the pressure head plays a role in controlling the inner diameter and supporting in the forming process, and the middle and outer dies 2 play a role in controlling the outer diameter of the shaft, guiding the metal trend and preventing deformation instability. The feed is stopped until the blank 1 fills the bulge of the entire die combination, as shown in fig. 3. Next, the split mold is ejected, the bottom mold 3 of the split mold is ejected first as shown in fig. 4, the two split mold outer molds 2 are taken out as shown in fig. 5, the mandrel 4 is taken out as shown in fig. 6, and finally the four first split molds 5 and the four second split molds 6 are taken out respectively, and finally the flange shape is trimmed by machining.
In the description of the present invention, it should be noted that the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only 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 in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The principle and the implementation mode of the utility model are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the utility model.
Claims (5)
1. The utility model provides a hollow major axis spare tip flange extrusion moulding device which characterized in that: the split die comprises a combined die, wherein the combined die comprises an outer die with a cylindrical structure, a core rod is inserted in the outer die, a split die of the combined die is coated outside the core rod, a bottom die is clamped at one end of the outer die, one ends of the core rod and the split die of the combined die are fixedly clamped with the bottom die, and the other ends of the core rod and the split die of the combined die extend out of the outer die; the part of the split mold of the combined mold, which is positioned in the outer mold, is provided with a smooth forming bulge, and the inner wall of the outer mold is provided with a forming groove corresponding to the forming bulge; the combined die split mold is externally used for sleeving a blank, and one end, far away from the outer mold, of the blank is clamped at the fixed end of the blank.
2. The hollow elongate member end flange extrusion molding apparatus of claim 1 wherein: the outer mold includes the composite mold outer mold that two structures are the same and the symmetry sets up, the composite mold outer mold is half cylindrical structure, the shaping recess is including offering in the bar groove at composite mold outer mold inner wall middle part, bar groove both ends are connected with level and smooth arc recess.
3. The hollow elongate member end flange extrusion forming apparatus of claim 2, wherein: the forming bulge comprises a rectangular platform corresponding to the strip-shaped groove, and arc-shaped bulges corresponding to the arc-shaped grooves are connected to two ends of the rectangular platform.
4. The hollow elongate member end flange extrusion forming apparatus of claim 3, wherein: the cross section of the combined mold split mold is of an annular structure, and the combined mold split mold comprises four first split molds and four second split molds which are sequentially arranged at intervals; the width of the first split mold at the position of the forming protrusion is smaller than the width of the first split mold at other positions, and the width of the second split mold at the position of the forming protrusion is larger than the width of the second split mold at other positions.
5. The hollow long shaft member end flange extrusion molding apparatus of claim 2, wherein: the bottom die is provided with two female dies which are concentrically arranged, male dies are arranged at one ends, close to the bottom die, of the combined die outer die and the combined die split die, and the male dies of the combined die outer die and the combined die split die can be correspondingly clamped with the two female dies of the bottom die respectively; the die block middle part is provided with "rice" font location die, plug one end is provided with the location terrace die of "rice" font structure, the location terrace die can with location die joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220030752.2U CN216881537U (en) | 2022-01-06 | 2022-01-06 | Hollow long shaft end flange extrusion forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220030752.2U CN216881537U (en) | 2022-01-06 | 2022-01-06 | Hollow long shaft end flange extrusion forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216881537U true CN216881537U (en) | 2022-07-05 |
Family
ID=82213562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220030752.2U Active CN216881537U (en) | 2022-01-06 | 2022-01-06 | Hollow long shaft end flange extrusion forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216881537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114393166A (en) * | 2022-01-06 | 2022-04-26 | 钢铁研究总院 | Hollow long shaft piece end flange extrusion forming device and process thereof |
-
2022
- 2022-01-06 CN CN202220030752.2U patent/CN216881537U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114393166A (en) * | 2022-01-06 | 2022-04-26 | 钢铁研究总院 | Hollow long shaft piece end flange extrusion forming device and process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108580622B (en) | Design method of in-mold radial extrusion forming process of I-shaped longitudinal rib ring piece | |
| CN216881537U (en) | Hollow long shaft end flange extrusion forming device | |
| CN202263880U (en) | Cold upsetting combined female die for machining blind rivet mandrel by upsetting-extruding method | |
| CN109396208B (en) | Synchronous extrusion forming method for steel H-shaped connecting pieces with different wall thicknesses | |
| CN105945201B (en) | The form removal method of the shaping dies with inner ring cup shell based on Split assembled removing device | |
| CN107081343A (en) | A kind of continuous plastic working mould of magnesium alloy profiles and forming method | |
| CN103537509A (en) | Large-sized multi-nozzle pipe hot extrusion forming process formulation and mold design method | |
| CN113059016A (en) | Thinning, stretching and extruding composite forming die for large-height-diameter ratio cylinder | |
| CN104289623A (en) | Cold contraction and expansion forming method for rim base | |
| CN114393166A (en) | Hollow long shaft piece end flange extrusion forming device and process thereof | |
| CN214645425U (en) | Mold for preparing product with embedded part | |
| CN216881536U (en) | Upsetting forming die for flanged hollow long shaft | |
| JPS645620A (en) | Production of seamless extruding hollow stock | |
| CN111974825B (en) | Extrusion forming die and method for ultra-long metal thin-wall pipe | |
| CN209753789U (en) | Continuous forming device for processing micro-motor shell | |
| CN101157098A (en) | Contracted pipe shaping mold | |
| CN221018498U (en) | Dual-purpose cold heading mould structure | |
| CN102814440A (en) | Forging method of cylindrical slide sleeve and reverse extrusion mould | |
| CN113059101A (en) | Production process of cold extrusion (cold heading) prestress extrusion anchor | |
| CN201140233Y (en) | Contracted pipe shaping mold | |
| CN205147199U (en) | Crowded mould of cold of strengthening rib shape pick is taken to dysmorphism | |
| CN112846057B (en) | Integral profiling extrusion method for thin-wall pipeline with multiple nozzles | |
| CN205995948U (en) | A kind of extrusion die of processing aluminium alloy empennage section bar | |
| CN113042559B (en) | Thinning, stretching and extruding composite forming method for large-height-diameter-ratio cylinder | |
| CN112893505B (en) | High-precision matched power supply shell extrusion die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |