CN209753912U - Improved split type ejector rod structure of hot forging die - Google Patents
Improved split type ejector rod structure of hot forging die Download PDFInfo
- Publication number
- CN209753912U CN209753912U CN201920167169.4U CN201920167169U CN209753912U CN 209753912 U CN209753912 U CN 209753912U CN 201920167169 U CN201920167169 U CN 201920167169U CN 209753912 U CN209753912 U CN 209753912U
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- CN
- China
- Prior art keywords
- rod piece
- connecting rod
- forging die
- hot forging
- mounting
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an improved split type ejector rod structure of a hot forging die, which comprises an ejector rod, a mounting seat, a sliding key, a moving chute, a convex plate, a mounting convex table surface, an L-shaped sliding rod, an outer extending cylinder, an independent rod piece, a connecting rod piece, an external thread, a mounting groove and an internal thread, wherein the independent rod piece is arranged in the ejector rod, one side of the independent rod piece is provided with the connecting rod piece, the external part of the connecting rod piece is provided with the external thread, the bottom of the connecting rod piece is provided with the mounting groove, the external part of the connecting rod piece is connected with the mounting seat through a thread, the mounting seat is internally provided with the outer extending cylinder, the outer extending cylinder is of a hollow cylinder structure, the inner side of the cylinder wall is provided with the internal thread, the convex plate is arranged below the outer extending cylinder, the outer side of the convex plate is provided with the mounting convex, the structure is convenient to process and replace, and the maintenance time and labor are greatly reduced.
Description
Technical Field
the utility model relates to a forge hot mould ejector pin technical field specifically is a split type ejector pin structure of modified forge hot mould.
Background
When forgings such as crankshafts, connecting rods and the like are produced, a hot die forging mode of a press is mostly adopted, and when pre-forging and finish-forging hot die forging are carried out, ejector rods are arranged in a hot die forging die, and after a forging blank is formed in a die cavity, the ejector rods push the forging blank out of the die cavity. The ejector rods used in the hot die forging die in the prior art are all integral ejector rods, and the existing ejector rods are T-shaped cylindrical ejector rods. Because the ejector rod is a quick-wear part, the ejector rod needs to be replaced in time after being bent, deformed and worn in use. The T-shaped cylindrical ejector rod is processed by using an integral bar stock, the diameter difference between the rod part of the ejector rod and the head part of the bottom end of the ejector rod is large, the bar stock needs to be selected according to the maximum diameter in the manufacturing process of the ejector rod, a large amount of cutting processing needs to be carried out in the production and processing of the ejector rod, raw materials are wasted, and the ejector rod is high in production cost.
Chinese patent application publication No. CN205684652U, published as 2016, 11, 16, entitled "split ejector pin for hot die forging die", discloses an ejector pin for pushing a forging blank out of a die cavity after the forging blank used on the hot die forging die is formed in the die. However, when the ejector rod is replaced, the ejector rod seat is required to be detached firstly, and the ejector rod seat is maintained or replaced, so that time and labor are wasted for replacing and maintaining the ejector rod, the ejector rod is not suitable for rapidly replacing the ejector rod, and the actual maintenance requirement cannot be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a split type ejector pin structure of modified forge hot mould to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
An improved split ejector rod structure of a hot forging die comprises an ejector rod, a mounting seat, a sliding key, a movable sliding chute, a convex plate, a mounting convex table surface, an L-shaped sliding rod, an outer extension barrel, an independent rod piece, a connecting rod piece, an external thread, a mounting groove and an internal thread, an independent rod piece is arranged in the ejector rod, a connecting rod piece is arranged at one side of the independent rod piece, external threads are arranged outside the connecting rod piece, the bottom of the connecting rod piece is provided with an installation groove, the outer part of the connecting rod piece is connected with an installation seat in a threaded manner, an outer extension cylinder is arranged in the installation seat and is of a hollow cylinder structure, the inner side of the cylinder wall is provided with internal threads, a convex plate is arranged below the outer extension cylinder, the outer side of the convex plate is provided with a convex table surface, the installation boss is characterized in that a plurality of sliding keys are arranged on the installation boss surface, one side of each sliding key is fixedly connected with an L-shaped sliding rod, and the L-shaped sliding rods are located in L-shaped moving sliding grooves.
Further, the inner side of the convex plate is provided with an installation groove, and the diameter of the installation groove is larger than the diameter of the connecting rod piece by 5 mm.
further, the outer portion of the flange may be bolted to or made integral with the forge hot die.
Furthermore, the external thread and the internal thread are both made of high-strength wear-resistant steel.
Further, the sliding key is provided with a sliding hole on the mounting boss surface.
Compared with the prior art, the beneficial effects of the utility model are that: this split type ejector pin processing is convenient, and it is convenient to change, accessible screw when changing directly the back-up rod can, greatly reduced the time and the manpower of maintenance back-up rod, and the mount pad can make alone, can be as an organic whole with the mould again, the processing materials reduce, greatly reduced the waste of processing raw materials, reduced the processing cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the schematic diagram of the structure of the push rod of the present invention.
Fig. 3 is a schematic view of the structure of the mounting seat of the present invention.
In the figure: 1. a top rod; 2. a mounting seat; 3. a sliding key; 4. a moving chute; 5. a convex plate; 6. mounting the boss surface; 7. an L-shaped sliding rod; 8. an outer extension cylinder; 9. an independent rod member; 10. connecting rod pieces; 11. an external thread; 12. mounting grooves; 13. an internal thread.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1-3, the present invention provides a technical solution:
An improved split type ejector rod structure of a hot forging die comprises an ejector rod 1, a mounting seat 2, a sliding key 3, a moving chute 4, a convex plate 5, a mounting convex table surface 6, an L-shaped sliding rod 7, an outer extension barrel 8, an independent rod piece 9, a connecting rod piece 10, an external thread 11, a mounting groove 12 and an internal thread 13, wherein the independent rod piece 9 is arranged in the ejector rod 1, the connecting rod piece 10 is arranged on one side of the independent rod piece 9, the external thread 11 is arranged on the outer portion of the connecting rod piece 10, the mounting groove 12 is arranged at the bottom of the connecting rod piece 10, the external thread of the connecting rod piece 10 is connected with the mounting seat 2, the outer extension barrel 8 is arranged in the mounting seat 2, the outer extension barrel 8 is of a hollow barrel structure, the internal thread 13 is arranged on the inner side of the barrel wall, the convex plate 5 is arranged below the outer extension barrel 8, one side of the sliding key 3 is fixedly connected with an L-shaped sliding rod 7, and the L-shaped sliding rod 7 is positioned in the L-shaped moving chute 4. The inner side of the convex plate 5 is provided with a mounting groove, the diameter of the mounting groove is larger than the diameter of the connecting rod piece 10 by 5mm, the outer part of the convex plate 5 can be connected with a hot forging die through a bolt or is made into a whole with the hot forging die, the external thread 11 and the internal thread 13 are both made of high-strength wear-resistant steel, and the sliding key 3 is provided with a sliding hole on the mounting convex table surface 6.
The working principle is as follows: when the ejector rod is maintained and replaced, only a plurality of sliding keys 3 of the mounting boss surface 6 need to slide to the outermost side, the sliding keys 3 drive the L-shaped sliding rods 7 to slide outwards along the moving sliding grooves 4, when the sliding keys move to the outermost side, the connecting rod pieces 10 below the independent rod pieces 9 are screwed out, and when the ejector rod is reversely mounted, only the connecting rod pieces 10 need to be screwed to the bottom, and the sliding keys 3 are moved to the innermost side along the sliding holes.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a split type ejector pin structure of modified forge hot mould, includes ejector pin (1), mount pad (2), feather key (3), removes spout (4), flange (5), installation boss face (6), L type slide bar (7), outer extension section of thick bamboo (8), independent member (9), connecting rod piece (10), external screw thread (11), mounting groove (12) and internal thread (13), its characterized in that: an independent rod piece (9) is arranged in the ejector rod (1), a connecting rod piece (10) is arranged at one side of the independent rod piece (9), the outer part of the connecting rod piece (10) is provided with an external thread (11), the bottom of the connecting rod piece (10) is provided with an installation groove (12), the outer part of the connecting rod piece (10) is connected with the mounting seat (2) by screw thread, an outer extending cylinder (8) is arranged in the mounting seat (2), the outer extending cylinder (8) is of a hollow cylinder structure, and the inner side of the cylinder wall is provided with an internal thread (13), a convex plate (5) is arranged below the external extension cylinder (8), the outer side of the convex plate (5) is provided with a convex mounting table surface (6), a plurality of sliding keys (3) are arranged on the convex mounting table surface (6), one side of the sliding key (3) is fixedly connected with an L-shaped sliding rod (7), and the L-shaped sliding rod (7) is positioned in the L-shaped moving chute (4).
2. The improved split mandrel structure of a hot forging die as claimed in claim 1, wherein: the inner side of the convex plate (5) is provided with an installation groove, and the diameter of the installation groove is greater than the diameter of the connecting rod piece (10) by 5 mm.
3. The improved split mandrel structure of a hot forging die as claimed in claim 1, wherein: the outer part of the convex plate (5) can be connected with a hot forging die through bolts or is integrally manufactured with the hot forging die.
4. The improved split mandrel structure of a hot forging die as claimed in claim 1, wherein: the external thread (11) and the internal thread (13) are both made of high-strength wear-resistant steel.
5. The improved split mandrel structure of a hot forging die as claimed in claim 1, wherein: the sliding key (3) is provided with a sliding hole on the mounting boss surface (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920167169.4U CN209753912U (en) | 2019-01-31 | 2019-01-31 | Improved split type ejector rod structure of hot forging die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920167169.4U CN209753912U (en) | 2019-01-31 | 2019-01-31 | Improved split type ejector rod structure of hot forging die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209753912U true CN209753912U (en) | 2019-12-10 |
Family
ID=68751116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920167169.4U Expired - Fee Related CN209753912U (en) | 2019-01-31 | 2019-01-31 | Improved split type ejector rod structure of hot forging die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209753912U (en) |
-
2019
- 2019-01-31 CN CN201920167169.4U patent/CN209753912U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 Termination date: 20220131 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |