CN221209739U - Forging die with lower ejection anti-drop structure - Google Patents
Forging die with lower ejection anti-drop structure Download PDFInfo
- Publication number
- CN221209739U CN221209739U CN202323103286.XU CN202323103286U CN221209739U CN 221209739 U CN221209739 U CN 221209739U CN 202323103286 U CN202323103286 U CN 202323103286U CN 221209739 U CN221209739 U CN 221209739U
- Authority
- CN
- China
- Prior art keywords
- limiting
- ejector rod
- die
- limiting block
- block
- 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
- 238000005242 forging Methods 0.000 title claims abstract description 35
- 230000000149 penetrating effect Effects 0.000 claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000006872 improvement Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Landscapes
- Forging (AREA)
Abstract
The utility model discloses a forging die with a lower ejection anti-drop structure, which relates to the technical field of forging dies and comprises: an upper die; the lower die is provided with a die cavity on the top surface and a limit groove on the bottom surface; the bottom of the limit groove is provided with a through hole; the ejector rod is movably arranged in the penetrating through hole in a penetrating way, and the bottom end of the ejector rod extends to the lower part of the lower die; the limiting structure comprises a first limiting block and a second limiting block; the first limiting block is movably embedded in the limiting groove in an adapting way and is fixed on the upper part of the ejector rod so as to prevent the ejector rod from falling out downwards and penetrating the through hole; the second limiting block is located below the lower die and is detachably connected with the bottom of the ejector rod through a dovetail mortise structure, so that the ejector rod is prevented from being pulled out upwards from the penetrating through hole. The lower ejection with the anti-drop structure has strong impact resistance, and further the service life of the die and the forging production efficiency are improved.
Description
Technical Field
The utility model relates to the technical field of forging dies, in particular to a forging die with a lower ejection anti-drop structure.
Background
In order to ensure smooth demoulding and production efficiency of the forging, a lower ejection structure is arranged on a die in general, but the condition that the forging sticks to the lower ejection structure often occurs in the continuous production process, and under the condition that the forging is not provided with an anti-drop structure, a worker takes out a forged blank from a die cavity, and the blank is very easy to take out of the lower ejection structure. For example, chinese patent (grant bulletin number CN 217095499U, grant bulletin day 2022.08.02) discloses a die forging is with forming device of anti unbalanced load, specifically discloses the lower mould includes lower die ring, lower die insert, kicking block and ejector pin, and the inside of lower die ring is provided with the lower die insert, the internally mounted of lower die insert has the kicking block, and the bottom of kicking block is provided with the ejector pin, after the forging ram is cooled down, can upwards push out the kicking block through the ejector pin to take out the forging ram, combine its specification drawing of patterns to see, the kicking block and the ejector pin in its technical scheme do not have anti-disengaging structure, when the forging ram is stamped the drawing of patterns, easily be taken out by kicking block and ejector pin, influence production efficiency.
The ordinary lower ejection mechanism bottom connecting bolt carries out the structure of anticreep, after heating for a long time and ejecting motion, the bolt extremely easily causes the wire breakage, plays the due effect of ejection down, also difficult dismantlement changes, seriously influences production efficiency.
Therefore, how to provide a forging die with an under-band ejection anti-drop structure, the problem that the ejector rod anti-drop structure of the forging die is easy to damage, short in service life and low in production efficiency is a problem which needs to be solved by a person skilled in the art.
Disclosure of utility model
In view of the above, the utility model provides a forging die with a lower ejection anti-drop structure, which aims to solve the technical problems that the ejector rod anti-drop structure of the forging die is easy to damage, short in service life and low in production efficiency.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a forging die with an under-ejection anti-drop structure, which comprises:
An upper die;
The lower die is provided with a die cavity on the top surface, and a limit groove is formed in the bottom surface of the die cavity; a through hole is formed in the bottom of the limit groove;
the ejector rod is movably arranged in the penetrating through hole in a penetrating way, and the bottom end of the ejector rod extends to the lower part of the lower die;
The limiting structure comprises a first limiting block and a second limiting block; the first limiting block is movably embedded in the limiting groove in an adapting mode and is fixed at the upper end of the ejector rod so as to prevent the ejector rod from falling out of the penetrating through hole downwards; the second limiting block is located below the lower die and detachably connected with the bottom end of the ejector rod through a dovetail mortise structure, so that the ejector rod is prevented from being pulled out upwards from the penetrating through hole.
Compared with the prior art, the forging die with the lower ejection anti-drop structure provided by the utility model has the advantages that the first limiting block and the second limiting block jointly restrict the ejector rod in the penetrating through hole; when the forged workpiece is demolded, the second limiting block can prevent the ejector rod from being adhered to the ejector rod to be brought out of the penetrating through hole; the second limiting block is connected with the ejector rod through the dovetail mortise structure, and the dovetail mortise structure is not separated even if deformed and loosened after the die is used for a long time, so that the shock resistance of the anti-drop structure can be improved, and the quick-detachable state can be still maintained, so that the service life of the die can be prolonged, the damage rate is reduced, and the effect of improving the production efficiency is achieved. Therefore, the utility model has the advantages of simple structure and good durability, improves the sustainability of forging processing, lightens the labor intensity of operators and has better application prospect.
As a further improvement of the technical scheme, a dovetail block is fixed on the top surface of the second limiting block; the bottom end surface of the ejector rod is provided with a dovetail groove matched with the dovetail block, at least one end of the dovetail groove is provided with an opening, and the dovetail block slides in from the opening end of the dovetail groove so as to detachably connect the second limiting block with the ejector rod.
As a further improvement of the technical scheme, the bottom surface of the lower die is provided with an avoidance groove which is matched with the second limiting block corresponding to the second limiting block.
When the ejector rod is lifted, the second limiting block can be embedded into the avoiding groove, so that the ejection stroke is increased.
As a further improvement of the technical scheme, the device further comprises a limiting ring, wherein the limiting ring is sleeved on the lower part of the ejector rod in a sliding manner and can be adaptively embedded into the avoidance groove; the bottom surface of the limiting ring can be abutted against the two top surfaces of the limiting block, and the inner wall of the limiting ring can correspondingly block the opening end of the dovetail groove so as to restrain the dovetail block in the dovetail groove.
When the anti-slip device is used, the limiting ring is abutted to the second top surface of the limiting block under the action of self gravity and seals the opening end of the dovetail groove so as to prevent the dovetail block from sliding out of the dovetail groove, and the limiting ring plays a role in locking the dovetail block; the dovetail block can be released by lifting the limiting ring upwards, and further slides out of the dovetail groove, the second limiting block is taken down, and then the ejector rod is taken out.
As a further improvement of the technical scheme, the outer contour surface of the limiting block, which corresponds to the upper part of the limiting groove, and the inner wall surface of the lower die, which corresponds to the cavity, jointly enclose and define the cavity.
As a further improvement of the technical scheme, when the first bottom end of the limiting block is abutted to the bottom of the limiting groove and the limiting ring is abutted to the second top surface of the limiting block, the limiting ring is positioned below the lower die.
The limiting ring is positioned below the lower die, so that the limiting ring is convenient to move manually and convenient to operate.
As a further improvement of the above technical solution, the outer peripheral side of the top end of the limit ring is provided with a chamfer. The chamfer on the peripheral side of the top end of the limiting ring is beneficial to the smooth sliding of the limiting ring into the avoiding groove, so that the smooth demoulding is facilitated.
As a further improvement of the technical scheme, the top surface of the limiting ring is provided with a buffer cushion. When the forged workpiece is taken out, the buffer pad can reduce the impact force between the lower die and the limiting ring.
Compared with the prior art, the forging die with the under-ejection anti-drop structure has the following advantages:
1. The second anti-drop limiting block is fixed with the ejector rod by adopting the dovetail mortise connection structure, and cannot be separated even if deformed and loosened, so that the anti-impact capability of the anti-drop structure can be improved, the production efficiency reduction caused by damage of the anti-drop structure is effectively avoided, the later maintenance cost of the die is reduced, and the service life of the die is prolonged.
2. The utility model prevents the second limiting block from shifting through the limiting ring, can ensure the reliable connection between the second limiting block and the ejector rod, and has the advantages of simple structure and convenient disassembly.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic front view of a forging die with a lower ejection anti-drop structure;
FIG. 2 is a schematic cross-sectional view of the view A-A of FIG. 1 of the present utility model;
FIG. 3 is a schematic side view of a forging die with a lower ejection anti-drop structure of the present utility model;
FIG. 4 is a schematic cross-sectional view of B-B in FIG. 3 of the present utility model;
In the figure: 1. an upper die; 2. a lower die; 21. a cavity; 22. penetrating through holes; 23. a limit groove; 24. an avoidance groove; 3. a push rod; 31. a dovetail groove; 4. a first limiting block; 5. a second limiting block; 51. dovetail blocks; 6. and a limiting ring.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1 to 4, the present embodiment provides a forging die with an under-ejection anti-drop structure, including: the upper die 1, the lower die 2, the ejector rod 3 and the limiting structure; the upper die 1 is positioned above the lower die 2;
the lower die 2, the top surface of the lower die 2 is provided with a cavity 21, and the bottom surface of the cavity 21 is provided with a limit groove 23; the bottom of the limit groove 23 is provided with a through hole 22; the bottom surface of the upper die 1 is provided with an upper cavity corresponding to the cavity 21; when the upper die 1 and the lower die are closed, the cavity 21 and the upper cavity together define the outer contour of the forged workpiece.
The ejector rod 3 is matched with and movably arranged in the penetrating through hole 22 in a penetrating way, and the bottom end of the ejector rod 3 extends to the lower part of the lower die 2;
The limiting structure comprises a first limiting block 4 and a second limiting block 5; the first limiting block 4 is movably embedded in the limiting groove 23 in an adapting way and is integrally connected with the upper end of the ejector rod 3 so as to prevent the ejector rod 3 from falling out of the through hole 22 downwards; the second limiting block 5 is located below the lower die 2 and is detachably connected with the bottom of the ejector rod 3 through a dovetail mortise structure, so that the ejector rod 3 is prevented from being pulled out upwards to penetrate through the through hole 22.
The forging die with the lower ejection anti-drop structure provided by the embodiment has the advantages that the first limiting block 4 and the second limiting block 5 jointly limit the ejector rod 3 in the penetrating through hole 22; when the forged workpiece is demolded, the second limiting block 5 can prevent the ejector rod from being adhered to be brought out of the penetrating through hole 22; the second limiting block 5 is connected with the ejector rod 3 through a dovetail mortise-tenon joint structure, and the dovetail mortise-tenon joint structure cannot be separated even if deformation and looseness occur after the die is used for a long time, so that the shock resistance of the anti-falling structure can be improved, and the die can still be kept in a detachable state, so that the service life of the die can be prolonged, the damage rate is reduced, and the effect of improving the production efficiency is achieved. Therefore, the utility model has the advantages of simple structure and good durability, improves the sustainability of forging processing, lightens the labor intensity of operators and has better application prospect.
In some embodiments, the top surface of the second limiting block 5 is integrally connected with a dovetail block 51; the bottom end surface of the ejector rod 3 is provided with a dovetail groove 31 matched with the dovetail block 51, at least one end of the dovetail groove 31 is provided with an opening, and the dovetail block 51 slides into the dovetail groove 31 from the opening end of the dovetail groove 31 so as to detachably connect the second limiting block 5 with the ejector rod 3.
In some embodiments, the bottom surface of the lower die 2 corresponding to the second limiting block 5 is provided with a avoiding groove 24 adapted to the second limiting block 5.
When the ejector rod 3 is lifted, the second limiting block 5 can be slidably embedded into the avoiding groove 24, so that the ejection stroke is increased.
In some embodiments, the device further comprises a limiting ring 6, wherein the limiting ring 6 is sleeved on the lower part of the ejector rod 3 in a sliding way and can be adaptively embedded into the avoidance groove 24; the bottom end surface of the limiting ring 6 can be abutted against the top surface of the second limiting block 5, and the inner wall of the limiting ring can correspondingly block the opening end of the dovetail groove 31 so as to limit and restrict the dovetail block 51 in the dovetail groove 31.
When the anti-slip device is used, the limiting ring 6 is abutted against the top surface of the second limiting block 5 under the action of self gravity and seals the opening end of the dovetail groove 31 so as to prevent the dovetail block 51 from sliding out of the dovetail groove 31, and the limiting ring 6 plays a role in locking the dovetail block 51; the dovetail block 51 can be released by lifting the limiting ring 6 upwards, and the dovetail block 51 can be further slid out of the dovetail groove 31, so that the second limiting block 5 and the ejector rod 3 are separated, and the ejector rod 3 can be taken out upwards after the second limiting block 5 is taken down.
In some embodiments, the outer contour surfaces of the ejector rod 3 and the first limiting block 4 corresponding to the upper part of the limiting groove 23 and the inner wall surface of the cavity 21 corresponding to the lower die 2 jointly enclose to define the cavity 21.
In some embodiments, when the bottom end of the first limiting block 4 abuts against the bottom of the limiting groove 23 and the limiting ring 6 abuts against the top surface of the second limiting block 5, the limiting ring 6 is located below the lower die 2.
The limiting ring 6 is positioned below the lower die 2, so that the limiting ring 6 can be moved manually conveniently, and the operation is convenient.
In some embodiments, the peripheral side of the top end of the stop collar 6 has a chamfer. The chamfer on the peripheral side of the top end of the limiting ring 6 is beneficial to the smooth sliding of the limiting ring 6 into the avoiding groove 24, so that the smooth demoulding is facilitated.
In some embodiments, the top surface of the stop collar 6 is provided with a cushion. The cushion pad can be an annular rubber pad which is sleeved on the ejector rod 3, and the annular rubber pad can be embedded into the avoidance groove 24. When the forged workpiece is taken out, the buffer pad can reduce the impact force between the lower die 2 and the limiting ring 6.
Specifically, the two ends of the dovetail groove 31 are both openings, and the peripheral walls of the dovetail block 51 corresponding to the two opening ends of the dovetail groove 31 can be slidably connected with the inner wall surface of the limiting ring 6.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (8)
1. The utility model provides a take forging mould of ejecting anticreep structure down which characterized in that includes:
An upper die (1);
The lower die (2), the top surface of the lower die (2) is provided with a cavity (21), and the bottom surface of the cavity (21) is provided with a limit groove (23); a through hole (22) is formed in the bottom of the limit groove (23);
The ejector rod (3) is movably arranged in the penetrating through hole (22) in a penetrating mode, and the bottom end of the ejector rod (3) extends to the lower portion of the lower die (2);
The limiting structure comprises a first limiting block (4) and a second limiting block (5); the first limiting block (4) is movably embedded in the limiting groove (23) in an adapting mode and is fixed at the upper end of the ejector rod (3) so as to prevent the ejector rod (3) from falling out of the through hole (22) downwards; the second limiting block (5) is located below the lower die (2) and is detachably connected with the bottom end of the ejector rod (3) through a dovetail mortise structure, so that the ejector rod (3) is prevented from being pulled out upwards from the penetrating through hole (22).
2. The forging die with the lower ejection anti-drop structure according to claim 1, wherein a dovetail block (51) is fixed on the top surface of the second limiting block (5); the bottom end surface of the ejector rod (3) is provided with a dovetail groove (31) matched with the dovetail block (51), at least one end of the dovetail groove (31) is provided with an opening, and the dovetail block (51) slides in from the opening end of the dovetail groove (31) so as to detachably connect the second limiting block (5) with the ejector rod (3).
3. The forging die with the under-band ejection anti-drop structure according to claim 2, wherein an avoidance groove (24) matched with the second limiting block (5) is formed in the bottom surface of the lower die (2) corresponding to the second limiting block (5).
4. The forging die with the under-band ejection anti-drop structure according to claim 3, further comprising a limiting ring (6), wherein the limiting ring (6) is slidably sleeved on the lower portion of the ejector rod (3) and can be adaptively embedded into the avoidance groove (24); the bottom surface of the limiting ring (6) can be abutted against the top surface of the second limiting block (5), and the inner wall of the limiting ring can correspondingly block the opening end of the dovetail groove (31) so as to restrain the dovetail block (51) in the dovetail groove (31).
5. The forging die with the under-ejection anti-drop structure according to claim 4, wherein an outer contour surface of the first limiting block (4) corresponding to the upper portion of the limiting groove (23) and an inner wall surface of the lower die (2) corresponding to the cavity (21) jointly enclose to define the cavity (21).
6. The forging die with the under-band ejection anti-drop structure according to claim 5, wherein when the bottom end of the first limiting block (4) is abutted to the bottom of the limiting groove (23) and the limiting ring (6) is abutted to the top surface of the second limiting block (5), the limiting ring (6) is located below the lower die (2).
7. The forging die with the under-ejection anti-drop structure according to claim 6, wherein a chamfer is formed on the outer peripheral side of the top end of the limit ring (6).
8. The forging die with the lower ejection anti-drop structure according to claim 6, wherein a cushion pad is arranged on the top surface of the limiting ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323103286.XU CN221209739U (en) | 2023-11-17 | 2023-11-17 | Forging die with lower ejection anti-drop structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323103286.XU CN221209739U (en) | 2023-11-17 | 2023-11-17 | Forging die with lower ejection anti-drop structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221209739U true CN221209739U (en) | 2024-06-25 |
Family
ID=91570691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323103286.XU Active CN221209739U (en) | 2023-11-17 | 2023-11-17 | Forging die with lower ejection anti-drop structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221209739U (en) |
-
2023
- 2023-11-17 CN CN202323103286.XU patent/CN221209739U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108787893A (en) | A kind of diel of low power consuming linkage demoulding | |
| CN112264570A (en) | Forging die for aluminum alloy wheel with concave wheel well part and using method | |
| CN221209739U (en) | Forging die with lower ejection anti-drop structure | |
| CN109079048A (en) | A kind of workpiece automatic ejecting mechanism being used in punching machine processing | |
| CN214263508U (en) | Porous stamping die for hardware processing | |
| CN214263514U (en) | Sheet workpiece stamping die structure with unloading mechanism used in small space | |
| CN211758143U (en) | Ejecting structure of secondary for mould convenient to drawing of patterns | |
| CN210231485U (en) | Fixed die pre-ejection mechanism of metal die-casting die | |
| CN213701449U (en) | Automobile heavy beam precision punch forming die with upper die pressure plate | |
| CN201913123U (en) | Cold extruding die for double-ended pipe joint | |
| CN214391843U (en) | Device for stamping and limiting valve | |
| CN107415156B (en) | Automatic plug mechanism of mould core bar | |
| CN215661511U (en) | Integrated lateral forming hole assembly and injection mold | |
| CN219335520U (en) | Stamping device of lock catch die | |
| CN216683211U (en) | Oblique ejection mechanism of injection mold | |
| CN221231517U (en) | Screw machine cold heading mould capable of avoiding loosening | |
| CN211591017U (en) | Rubber seal ring die with discharging structure | |
| CN217370264U (en) | Full-automatic red punching forging forming mechanism of copper alloy ball valve body blank | |
| CN221018494U (en) | Composite reverse extrusion die for sliding sleeve | |
| CN219427284U (en) | Novel structure applied to silicone rubber compression molding die | |
| CN220837769U (en) | Screw machine cold heading mould with prevent rocking structure | |
| CN219667381U (en) | Slide self-locking injection mold | |
| CN220178613U (en) | Lower die and automatic squeeze riveter for nuts of lower die | |
| CN215150995U (en) | Double-slider combined structure of die | |
| CN215315125U (en) | Sliding door handle mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |