CN219292417U - Hollow extrusion rod for extruding seamless section bar - Google Patents
Hollow extrusion rod for extruding seamless section bar Download PDFInfo
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- CN219292417U CN219292417U CN202320470660.0U CN202320470660U CN219292417U CN 219292417 U CN219292417 U CN 219292417U CN 202320470660 U CN202320470660 U CN 202320470660U CN 219292417 U CN219292417 U CN 219292417U
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Abstract
The utility model discloses a hollow extrusion rod for extruding seamless section bars, which is matched with a movable hollow extrusion pad or a fixed elastic hollow extrusion pad for use, and comprises a main body, wherein an inner hole wall at a connecting port of the main body is outwards milled with a circular ring notch along the circumferential direction of the inner hole wall; the aperture of the circular ring notch is between the diameter of the outer circumference of the main body and the diameter of the inner hole; the inner wall of the circular ring notch is provided with a plurality of groups of grooves at intervals along the circumferential direction; forming a protruding part between every two adjacent grooves; the groove and the convex part form a concave-convex notch; the fixed elastic hollow extrusion pad is inserted into the main body through the concave-convex notch and is fixed through rotary clamping; this device structural optimization, convenient operation both can have reliable and stable connection with novel fixed elasticity hollow extrusion pad, can compatible traditional activity hollow extrusion pad again, and the connecting portion deformability is strong, reduces later maintenance, changes the work degree of difficulty, further promotes work efficiency.
Description
Technical Field
The utility model relates to the technical field of extrusion processing dies, in particular to a hollow extrusion rod for extruding seamless sections.
Background
The hollow extrusion rod and the hollow extrusion pad are used for extruding the seamless section, the traditional hollow extrusion rod and the hollow extrusion pad do not have any connection relation, and are two completely independent parts, and the hollow extrusion pad is also called as a movable hollow extrusion pad; before each seamless section is extruded, the movable hollow extrusion pad, the extrusion needle, the perforating needle, the die and the like enter a die heating furnace together for preheating, then are installed at corresponding positions according to process requirements, and the movable hollow extrusion pad is installed last.
The first complete extrusion cycle sequentially comprises a first step of ingot blank feeding, a second step of movable hollow extrusion pad installation, a third step of extrusion rod advancing to contact with the extrusion pad and push an aluminum ingot to a specified position, a fourth step of extrusion needle and a perforating needle penetrating through the ingot blank to ensure that a needle point reaches the specified position, a fifth step of extrusion rod pushing the movable hollow extrusion pad to start extrusion, a sixth step of extrusion ending extrusion cylinder retreating, a seventh step of movable hollow extrusion pad removal, and an eighth step of hollow extrusion rod retreating to return to an initial position; the second step and the seventh step are aimed at the same movable hollow extrusion pad, manual operation is adopted in a small-tonnage machine type, and a manipulator is adopted in a large-tonnage machine type, and the total time of the two steps is about 1-2 minutes, namely the two steps are called as 'non-extrusion waiting intervals', each extrusion ingot blank has one 'non-extrusion waiting interval' time consumption, and the additional time consumption in the continuous production leads to the increase of cost;
the traditional solution method has the advantages that the hollow extrusion rod and the movable hollow extrusion pad are connected into a whole by using threads, but the thread forms are deformed rapidly before the huge extrusion force, so that the working difficulty of later maintenance and replacement of the hollow extrusion pad is suddenly increased, the improved hollow extrusion rod can not be matched with the traditional movable hollow extrusion pad for use, and the practical practicability is low;
therefore, to above-mentioned problem, design a structural optimization, can have reliable and stable connection with novel fixed elasticity hollow extrusion pad, can compatible traditional activity hollow extrusion pad again, the connection position deformability is strong moreover, reduces later maintenance, changes the work degree of difficulty, further promotes work efficiency's device.
Disclosure of Invention
The utility model aims to provide the hollow extrusion rod for extruding the seamless section bar, which can be stably and reliably connected with the novel fixed elastic hollow extrusion pad, is compatible with the traditional movable hollow extrusion pad, has strong deformation resistance of the connecting part, reduces the later maintenance and replacement work difficulty and further improves the working efficiency.
In order to achieve the above object, the present utility model provides the following technical solutions:
a hollow extrusion rod for extruding a seamless profile, the hollow extrusion rod being used in cooperation with a movable hollow extrusion pad or a fixed elastic hollow extrusion pad, comprising:
the main body is provided with an inner hole wall at the connecting port of the main body, and a circular ring notch is milled outwards along the circumferential direction of the inner hole wall;
the aperture of the circular ring notch is between the diameter of the outer circumference of the main body and the diameter of the inner hole; wherein the method comprises the steps of
The inner wall of the circular ring notch is provided with a plurality of groups of grooves at intervals along the circumferential direction;
forming a protruding part between every two adjacent grooves;
the groove and the convex part form a concave-convex notch;
the fixed elastic hollow extrusion pad is inserted into the main body through the concave-convex notch and is fixed through rotary clamping.
Further, the side wall of the protruding part close to the inner hole of the main body is in an inclined surface structure.
Further, a plurality of groups of threaded holes are formed in the outer wall of the main body connecting port;
the hollow extrusion rod is screwed into the threaded hole through the locking jackscrew so as to be fixedly connected with the fixed elastic hollow extrusion pad.
In the technical scheme, the hollow extrusion rod for extruding the seamless section has the following beneficial effects:
the hollow extrusion rod for extruding the seamless section provided by the utility model has the advantages that the structure is optimized, the operation is convenient, the hollow extrusion rod can be stably and reliably connected with the novel fixed elastic hollow extrusion pad, the traditional movable hollow extrusion pad can be compatible, the deformation resistance of the connecting part is high, the later maintenance and replacement work difficulty is reduced, and the work efficiency is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic structural view of a hollow extrusion rod for extruding a seamless section bar according to an embodiment of the present utility model;
fig. 2 is a schematic plan view of a hollow extrusion rod for extruding a seamless section according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a cross-sectional view B-B of FIG. 2;
fig. 5 is a schematic structural diagram of a hollow extrusion rod, a movable hollow extrusion pad and a fixed elastic hollow extrusion pad for use in cooperation with each other for extruding a seamless section bar according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a main body.
11. A circular ring notch; 12. a groove; 13. a boss; 14. and (3) a threaded hole.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
It is noted that the terms "upper," "outward," "between," and the like herein used refer to an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, for convenience of description and simplicity of description only, and the like are not meant to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.
See fig. 1-5;
the utility model relates to a hollow extrusion rod for extruding seamless section bars, which is matched with a movable hollow extrusion pad or a fixed elastic hollow extrusion pad for use, and comprises the following components:
the main body 1, wherein an inner hole wall at a connecting port of the main body 1 is outwards milled with a circular notch 11 along the circumferential direction;
the aperture of the circular ring notch 11 is between the outer circumference diameter and the inner hole diameter of the main body 1; wherein the method comprises the steps of
The inner wall of the circular notch 11 is provided with a plurality of groups of grooves 12 at intervals along the circumferential direction;
a convex part 13 is formed between the adjacent grooves 12;
the groove 12 and the convex part 13 form a concave-convex notch;
the fixed elastic hollow extrusion pad is inserted into the main body 1 through the concave-convex notch and fixed by rotary clamping.
The side wall of the bulge 13 close to the inner hole of the main body 1 is in an inclined surface structure.
A plurality of groups of threaded holes 14 are formed in the outer wall of the connecting port of the main body 1;
the hollow extrusion rod is fixedly connected with the fixed elastic hollow extrusion pad by screwing the locking jackscrew into the threaded hole 14.
Specifically, the end face of the hollow extrusion rod for extruding the seamless section bar maintains the original plane form, firstly, a whole circle of circular groove 11 with proper width and depth is processed on the inner hole wall of the main body 1, then equally-divided grooves 12 are milled on the inner wall of the circular groove 11 so as to form convex parts 13 at adjacent positions, finally concave-convex grooves which are uniformly distributed are formed at the circular groove 11, and inclined planes with certain angles are processed on the side wall of the convex parts 13 close to the inner hole of the main body 1;
the outer wall of the connecting port of the main body 1 is provided with a plurality of groups of threaded holes 14, and after the hollow extrusion rod and the fixed elastic hollow extrusion pad are installed, the hollow extrusion rod and the fixed elastic hollow extrusion pad are screwed into the threaded holes 14 by using locking jackscrews, so that the two parts are completely connected and fixed;
furthermore, when the traditional movable hollow extrusion pad is used, the use mode of the improved hollow extrusion rod is completely the same as that of the traditional movable hollow extrusion pad, and the movable hollow extrusion pad still needs to be manually or mechanically grasped and installed and disassembled;
preferably, when the novel fixed elastic hollow extrusion pad is used, concave-convex notches are also distributed on the outer circle of the extrusion pad, the extrusion pad and the hollow extrusion rod are installed in a concave-convex fit manner, and then the fixed elastic hollow extrusion pad is rotated clockwise for a certain angle to lock the hollow extrusion rod and the fixed elastic hollow extrusion pad, so that the hollow extrusion rod and the fixed elastic hollow extrusion pad are completely fixed, the extrusion pad does not need to be repeatedly grabbed, installed and disassembled during extrusion, the movable hollow extrusion pad can be saved from being installed in the second step and the movable hollow extrusion pad can be removed in the seventh step in a complete extrusion cycle, and the production speed is further improved; the side wall of the protruding portion 13 in the device is an inclined surface, an inclined surface structure is arranged at a concave-convex notch corresponding to the fixed elastic hollow extrusion pad which is matched with the protruding portion, the two inclined surfaces are identical in angle and opposite in direction, the fixed elastic hollow extrusion pad is installed in the device and then rotates for a certain angle, the inclined surfaces are tightly combined, the locking jackscrew is matched to prevent the extrusion pad from loosening, the inclined surfaces have the biggest effects that when the locking jackscrew is loosened and replaced, the extrusion pad is rotated for a bit of angle after the locking jackscrew is loosened, gaps can be formed on the inclined surfaces, and the extrusion pad is convenient to detach.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (3)
1. A hollow extrusion rod for extruding seamless section bar, which is used in cooperation with a movable hollow extrusion pad or a fixed elastic hollow extrusion pad, comprising:
the main body (1), the inner hole wall at the connecting port of the main body (1) is outwards milled with a circular notch (11) along the circumferential direction;
the aperture of the circular ring notch (11) is between the outer circumference diameter and the inner hole diameter of the main body (1); wherein the method comprises the steps of
The inner wall of the circular notch (11) is provided with a plurality of groups of grooves (12) at intervals along the circumferential direction;
a convex part (13) is formed between the adjacent grooves (12);
the groove (12) and the protruding part (13) form a concave-convex notch;
the fixed elastic hollow extrusion pad is inserted into the main body (1) through the concave-convex notch and is fixed through rotary clamping.
2. A hollow extrusion stem for extruding seamless profiles as recited in claim 1, wherein:
the side wall of the protruding part (13) close to the inner hole of the main body (1) is in an inclined surface structure.
3. A hollow extrusion stem for extruding seamless profiles as recited in claim 1, wherein:
a plurality of groups of threaded holes (14) are formed in the outer wall of the connecting port of the main body (1);
the hollow extrusion rod is screwed into the threaded hole (14) by the locking jackscrew so as to realize the fixed connection of the hollow extrusion rod and the fixed elastic hollow extrusion pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320470660.0U CN219292417U (en) | 2023-03-13 | 2023-03-13 | Hollow extrusion rod for extruding seamless section bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320470660.0U CN219292417U (en) | 2023-03-13 | 2023-03-13 | Hollow extrusion rod for extruding seamless section bar |
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| Publication Number | Publication Date |
|---|---|
| CN219292417U true CN219292417U (en) | 2023-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320470660.0U Active CN219292417U (en) | 2023-03-13 | 2023-03-13 | Hollow extrusion rod for extruding seamless section bar |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117505572A (en) * | 2024-01-08 | 2024-02-06 | 中国重型机械研究院股份公司 | Tool and die structure for producing seamless pipe by single-action extruder and extrusion method |
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2023
- 2023-03-13 CN CN202320470660.0U patent/CN219292417U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117505572A (en) * | 2024-01-08 | 2024-02-06 | 中国重型机械研究院股份公司 | Tool and die structure for producing seamless pipe by single-action extruder and extrusion method |
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