CN218517647U - Embedded mold ejection device - Google Patents
Embedded mold ejection device Download PDFInfo
- Publication number
- CN218517647U CN218517647U CN202222894443.2U CN202222894443U CN218517647U CN 218517647 U CN218517647 U CN 218517647U CN 202222894443 U CN202222894443 U CN 202222894443U CN 218517647 U CN218517647 U CN 218517647U
- Authority
- CN
- China
- Prior art keywords
- die
- lower die
- ejector
- backing plate
- ejector 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
- Forging (AREA)
Abstract
The utility model provides an embedded mould ejecting device, including lower die sleeve, insert in the lower die sleeve and be equipped with down the die, well backing plate and lower backing plate, well backing plate sets up under between die and the lower backing plate, the lower terminal surface of lower backing plate and lower die sleeve supports respectively and leans on the die holder, the shaping has the die cavity on the lower die, the downside of lower die is provided with ejecting subassembly, ejecting subassembly includes fixing base and removal ejector pin, the fixing base is the columniform positioning seat including inserting in the backing plate, the lower terminal surface of positioning seat supports and leans on the up end of lower backing plate, the up end shaping of positioning seat has columniform lower mold core, the die cavity of establishing die down is inserted to the upper end of lower mold core, the middle part shaping of lower mold core up end has bellied lower die head. The ejector rod device consists of the fixed die holder and the ejector rod, the top of the ejector rod and the top of the fixed die holder form an annular supporting bottom surface, the contact area of the ejector rod and a forging workpiece is reduced, the acting force during forging can be reduced, and the service life of the ejector rod device is prolonged.
Description
The technical field is as follows:
the utility model relates to a forge the technical field of mould, more specifically say and relate to an embedded mould ejecting device.
Background art:
forging is a processing method which utilizes forging machinery to apply pressure on a metal blank to cause the metal blank to generate plastic deformation so as to obtain a forged piece with certain mechanical property, certain shape and certain size. At present generally need use the forging mould when forging, forge the mould and forge the lower mould by forging and constitute, be equipped with ejection mechanism in the general forging lower mould, ejection mechanism's main part is the ejector pin, when forging the bottom at present and being annular work piece, generally dispose the ejecting forging lower mould of ejector pin the same with work piece bottom surface shape, the top of its ejector pin also is annular, at the forging in-process, the top of its ejector pin needs the forged effort of bearing, the ejector pin bears the weight of for a long time and forges and take place the damage easily behind the effort.
The utility model has the following contents:
the utility model aims at being not enough to prior art, and provide an embedded mould ejecting device, its ejector pin device comprises fixed die holder and ejector pin, and the annular support bottom surface is formed with the top of fixed die holder in the top of ejector pin, reduces ejector pin and forging workpiece's area of contact, can reduce the effort when forging, promotes ejector pin device's life.
An embedded die ejection device comprises a lower die sleeve, wherein a lower female die, a middle liner plate and a lower liner plate are inserted in the lower die sleeve, the middle liner plate is arranged between the lower female die and the lower liner plate, the lower end surfaces of the lower liner plate and the lower die sleeve are respectively abutted against a lower die holder, a female die groove is formed in the lower female die, an ejection assembly is arranged at the lower side of the lower female die and comprises a fixed seat and a movable ejector rod, the fixed seat comprises a cylindrical positioning seat inserted in the middle liner plate, the lower end surface of the positioning seat is abutted against the upper end surface of the lower liner plate, a cylindrical lower die core is formed on the upper end surface of the positioning seat, the upper end of the lower die core is inserted in the female die groove of the lower female die, and a raised lower die head is formed in the middle of the upper end surface of the lower die core;
the upper end surfaces of the lower die cores on two sides of the lower die head are provided with material ejecting grooves which penetrate through the outer walls on two sides of the lower die core and the lower end surface of the fixed seat; the movable ejector rod comprises an ejector block which is inserted into the lower die holder and is cylindrical, vertical arc-shaped ejector rods are formed on two sides of the upper end face of the ejector block, the ejector rods penetrate through the lower backing plate and are inserted into the ejector grooves of the fixed base, the upper end face of each ejector rod is flush with the upper end face of the lower die core, and the lower end of the movable ejector rod is fixed on the ejector rod cushion block.
Preferably, the outer wall of the lower mold core at the upper part of the fixed seat is abutted against the inner wall of the lower female mold cavity; the side wall of the lower female die is provided with a plurality of exhaust holes which are obliquely arranged and communicated with the female die groove, the side wall of the lower die core is provided with an exhaust groove, and the lower end surface of the lower die sleeve is provided with a plurality of exhaust grooves.
Preferably, the outer wall of the ejector block on the movable ejector rod and the outer wall of the ejector rod are both in the same cylindrical surface, and the diameter of the outer wall of the ejector block is equal to that of the outer wall of the lower die core.
Preferably, well backing plate and lower backing plate all ring shape, the aperture of well backing plate hole is greater than the aperture of lower backing plate hole, the outer wall of positioning seat supports and leans on the inner wall of well backing plate on the fixing base.
Preferably, a workpiece is inserted into a female die groove of the lower female die, a concave groove is formed in the middle of the lower end of the workpiece, a lower die head on the lower die core is inserted into the concave groove of the workpiece, an annular bottom support is formed on the workpiece around the concave groove, and the bottom support abuts against the ejector rod and the upper end face of the lower die core.
Preferably, a stepped hole is formed in the middle of the ejector block on the ejector rod, a screw is inserted into the stepped hole, and the ejector rod is fixedly connected with the ejector rod cushion block through the screw.
The beneficial effects of the utility model reside in that:
1. the ejector rod device consists of the fixed die holder and the ejector rod, the top of the ejector rod and the top of the fixed die holder form an annular supporting bottom surface, the contact area of the ejector rod and a forging workpiece is reduced, the acting force during forging can be reduced, and the service life of the ejector rod device is prolonged.
2. The contact area between the ejector rod and the forging workpiece on the ejector rod device is small, and the adhesion between the ejector rod and the forging workpiece can be reduced.
Description of the drawings:
FIG. 1 is a schematic sectional view of the present invention;
fig. 2 is a schematic perspective view of the internal ejection assembly of the present invention;
fig. 3 is an explosion diagram of the internal ejection assembly of the present invention.
In the figure: 1. a lower die sleeve; 11. an exhaust duct; 2. a lower concave die; 21. a die cavity; 22. an exhaust hole; 3. a middle liner plate; 4. a lower base plate; 5. ejecting the assembly; 51. a fixed seat; 511. a lower mold core; 512. a lower die head; 513. a material ejecting groove; 52. moving the ejector rod; 521. a material ejecting rod; 6. A lower die holder; 7. a mandril cushion block; 8. a workpiece; 81. a dimple; 82. a bottom support.
The specific implementation mode is as follows:
the embodiment is as follows: as shown in fig. 1 to 3, an embedded mold ejection device comprises a lower mold sleeve 1, a lower female mold 2, a middle backing plate 3 and a lower backing plate 4 are inserted into the lower mold sleeve 1, the middle backing plate 3 is arranged between the lower female mold 2 and the lower backing plate 4, the lower end surfaces of the lower backing plate 4 and the lower mold sleeve 1 are respectively abutted against a lower mold base 6, a female mold groove 21 is formed on the lower female mold 2, an ejection assembly 5 is arranged on the lower side of the lower female mold 2, the ejection assembly 5 comprises a fixed seat 51 and a movable ejector rod 52, the fixed seat 51 comprises a cylindrical positioning seat inserted in the middle backing plate 3, the lower end surface of the positioning seat is abutted against the upper end surface of the lower backing plate 4, a cylindrical lower mold core 511 is formed on the upper end surface of the positioning seat, the upper end of the lower mold core 511 is inserted in the female mold groove 21 of the lower female mold 2, and a convex lower mold head 512 is formed in the middle of the upper end surface of the lower mold core 511;
the upper end surfaces of the lower mold cores 511 at two sides of the lower mold head 512 are formed with material ejecting grooves 513 penetrating through the outer walls at two sides of the lower mold cores 511 and the lower end surface of the fixed seat 51; the movable ejector rod 52 comprises a cylindrical ejector block inserted in the lower die base 6, vertical arc-shaped ejector rods 521 are formed on two sides of the upper end surface of the ejector block, the ejector rods 521 penetrate through the lower backing plate 4 and are inserted in the ejector groove 513 of the fixed base 51, the upper end surface of the ejector rods 521 is flush with the upper end surface of the lower die core 511, and the upper end surface of the lower die core 511 and the upper end surface of the ejector rods 521 around the lower die head 512 form a circular concave die bottom surface; the lower end of the movable ram 52 is fixed to the ram block 7.
The outer wall of the lower mold core 511 at the upper part of the fixed seat 51 is abutted against the inner wall of the concave mold groove 21 of the lower female mold 2; a plurality of exhaust holes 22 which are obliquely arranged and communicated with the die cavity 21 are formed on the side wall of the lower die 2, an air release groove is formed on the side wall of the lower die core 511, and a plurality of exhaust grooves 11 are formed on the lower end surface of the lower die sleeve 1.
The outer wall of the ejector block on the movable ejector rod 52 and the outer wall of the ejector rod 521 are both in the same cylindrical surface, and the diameter of the outer wall of the ejector block is equal to that of the outer wall of the lower mold core 511.
Well backing plate 3 and lower backing plate 4 all ring shape, the aperture of 3 holes of well backing plate is greater than the aperture of 4 holes of lower backing plate, the outer wall of positioning seat supports on fixing base 51 and leans on the inner wall of well backing plate 3.
The workpiece 8 is inserted into the die cavity 21 of the lower die 2, a dimple 81 is formed in the middle of the lower end of the workpiece 8, the lower die head 512 on the lower die core 511 is inserted into the dimple 81 of the workpiece 8, a circular bottom support 82 is formed on the workpiece 8 around the dimple 81, and the bottom support 82 abuts against the ejector rod 521 and the upper end face of the lower die core 511.
A stepped hole is formed in the middle of the ejector block on the ejector rod 521, a screw is inserted into the stepped hole, and the ejector rod 521 is fixedly connected with the ejector rod cushion block 7 through the screw.
The working principle is as follows: the utility model relates to an embedded mould ejecting device, its mould ejecting device adopts the ejecting structure that adopts removal ejector pin 52 and fixing base 51 to combine to replace whole annular ejector pin structure, the up end of removal ejector pin 52 and the up end of fixing base 51 can constitute annular die bottom surface (support the bottom surface promptly), the up end of fixing base 51 is fixed, the up end of removal ejector pin 521 is movable, when ejecting work piece 8, mainly through the rising of removal ejector pin 521 with work piece 8 ejecting die 2 down, the contact surface of removal ejector pin 52 and work piece 8 compares whole annular ejector pin structure little a lot, can reduce the problem of bonding;
meanwhile, the upper end of the fixed seat 51 can share the forging acting force for the upper end face of the movable ejector rod 52, the acting force transmitted to the movable ejector rod 52 by forging is reduced, and the service life of the embedded die ejection device consisting of the fixed seat 51 and the movable ejector rod 52 is prolonged.
The described embodiments are intended to be illustrative, but not limiting, of the invention. The embodiments can be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the present invention should be defined by the appended claims.
Claims (6)
1. The utility model provides an embedded mould ejecting device, includes lower die sleeve (1), and lower die sleeve (1) interpolation is equipped with down die (2), well backing plate (3) and lower bolster (4), and well backing plate (3) set up under between die (2) and lower backing plate (4), and the lower terminal surface of lower backing plate (4) and lower die sleeve (1) supports respectively and leans on die holder (6), and the shaping has die cavity (21) on lower die (2), its characterized in that: an ejection assembly (5) is arranged on the lower side of the lower female die (2), the ejection assembly (5) comprises a fixed seat (51) and a movable ejector rod (52), the fixed seat (51) comprises a cylindrical positioning seat inserted in the middle base plate (3), the lower end face of the positioning seat abuts against the upper end face of the lower base plate (4), a cylindrical lower die core (511) is formed on the upper end face of the positioning seat, the upper end of the lower die core (511) is inserted in a female die groove (21) of the lower female die (2), and a raised lower die head (512) is formed in the middle of the upper end face of the lower die core (511);
the upper end surfaces of the lower die cores (511) on the two sides of the lower die head (512) are provided with material ejecting grooves (513) which penetrate through the outer walls on the two sides of the lower die cores (511) and the lower end surface of the fixed seat (51); the movable ejector rod (52) comprises an ejector block which is inserted into the lower die holder (6) and is cylindrical, vertical arc-shaped ejector rods (521) are formed on two sides of the upper end face of the ejector block, the ejector rods (521) penetrate through the lower base plate (4) and are inserted into an ejector groove (513) of the fixed seat (51), the upper end face of each ejector rod (521) is flush with the upper end face of the lower die core (511), and the lower end of the movable ejector rod (52) is fixed on an ejector rod cushion block (7).
2. The ejector device of claim 1, wherein: the outer wall of a lower mold core (511) at the upper part of the fixed seat (51) is abutted against the inner wall of a concave mold groove (21) of the lower concave mold (2); a plurality of exhaust holes (22) which are obliquely arranged and communicated with the die cavity (21) are formed in the side wall of the lower die (2), an air release groove is formed in the side wall of the lower die core (511), and a plurality of exhaust grooves (11) are formed in the lower end face of the lower die sleeve (1).
3. The ejector device of claim 2, wherein: the outer wall of the material ejecting block on the movable ejector rod (52) and the outer wall of the material ejecting rod (521) are both in the same cylindrical surface, and the diameter of the outer wall of the material ejecting block is equal to that of the outer wall of the lower mold core (511).
4. The ejector device of claim 1, wherein: well backing plate (3) and lower bolster (4) equal ring shape, the aperture of well backing plate (3) hole is greater than the aperture of lower bolster (4) hole, the outer wall of locating seat supports and leans on the inner wall of well backing plate (3) on fixing base (51).
5. The ejector device of claim 1, wherein: the workpiece (8) is inserted into a die groove (21) of the lower die (2), a concave groove (81) is formed in the middle of the lower end of the workpiece (8), a lower die head (512) on the lower die core (511) is inserted into the concave groove (81) of the workpiece (8), a circular bottom support (82) is formed on the workpiece (8) on the periphery of the concave groove (81), and the bottom support (82) abuts against the upper end faces of the ejector rod (521) and the lower die core (511).
6. The ejection device of claim 1, wherein: a stepped hole is formed in the middle of the ejector block on the ejector rod (521), a screw is inserted in the stepped hole, and the ejector rod (521) is fixedly connected with the ejector rod cushion block (7) through the screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222894443.2U CN218517647U (en) | 2022-11-01 | 2022-11-01 | Embedded mold ejection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222894443.2U CN218517647U (en) | 2022-11-01 | 2022-11-01 | Embedded mold ejection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218517647U true CN218517647U (en) | 2023-02-24 |
Family
ID=85250224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222894443.2U Active CN218517647U (en) | 2022-11-01 | 2022-11-01 | Embedded mold ejection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218517647U (en) |
-
2022
- 2022-11-01 CN CN202222894443.2U patent/CN218517647U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210412363U (en) | Piston head forging die with annular composite ejector rod mechanism | |
| CN218517647U (en) | Embedded mold ejection device | |
| CN214768660U (en) | Coal cutting pick mold structure capable of preventing mold from cracking | |
| CN210387405U (en) | Tool die for hot forging and cold forging composite distribution plastic forming | |
| CN111774514A (en) | Valve body forging die | |
| CN218080214U (en) | Parking gear blocking forging extrusion device | |
| CN201702254U (en) | Slender bolt head chipless forming die | |
| CN107335768B (en) | The small gear ring radial direction wedge pressure mould of combination gear | |
| CN212822177U (en) | Pressing die | |
| CN113399611A (en) | Friction press-based spline hub forging process | |
| CN210387403U (en) | Hot forging combined die for open type fixed table press | |
| CN210817251U (en) | Auxiliary demoulding mechanism for flat and thin gear blank forging on hot header | |
| CN101301674A (en) | Drop dies with movable bush fitting | |
| CN214349373U (en) | Upsetting flange die for thin-wall deep-hole flanged part | |
| CN213288531U (en) | Forging die with central positioning ejector rod | |
| CN112548022A (en) | Method and device for machining oil groove bolt with large pan head | |
| CN107695122B (en) | Long-life asymmetric bearing ring cold extrusion forming die | |
| CN111975291A (en) | Near-net forging forming method for precision forging of aluminum alloy special-shaped shell | |
| CN212469605U (en) | Valve body forging die | |
| CN112170627A (en) | Porous stamping die is used in car processing | |
| CN220659103U (en) | Be used for fashioned cold mound mould of shoulder trough of belt | |
| CN216911971U (en) | Damping type die device for friction press spline hub forging | |
| CN214517148U (en) | Punch forming die for processing hole overlap edge and side hole flanging in booster shell | |
| CN217223432U (en) | Multi-station forging die for bearing inner ring of agricultural machine | |
| CN220278194U (en) | Cold upsetting extrusion processing die for thin-wall pipe fitting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |