CN211027937U - A blocker for turning to seat - Google Patents
A blocker for turning to seat Download PDFInfo
- Publication number
- CN211027937U CN211027937U CN201921662152.2U CN201921662152U CN211027937U CN 211027937 U CN211027937 U CN 211027937U CN 201921662152 U CN201921662152 U CN 201921662152U CN 211027937 U CN211027937 U CN 211027937U
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- lower die
- die base
- trapezoidal
- die cavity
- base
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Abstract
The utility model relates to the technical field of forging and pressing dies, in particular to a pre-forging die for a steering seat, which comprises an upper die base and a lower die base, wherein the lower die base is provided with a lower die cavity for forming the steering seat, the lower die cavity comprises a trapezoidal die cavity and a U-shaped groove die cavity, the bottom of the trapezoidal die cavity is provided with a culvert for containing metal materials, the middle section of the U-shaped groove die cavity is provided with a chopping board, and a flash groove is arranged above the trapezoidal die cavity; the upper die base is provided with a trapezoidal boss matched with the flash groove, the trapezoidal boss is provided with a punch for pressing a blind hole on a workpiece, the lower die base is provided with a plurality of grooves which are convenient for the upper die base to be matched with the lower die base along the periphery of the lower die base, and the upper die base is provided with lugs corresponding to the grooves along the periphery of the upper die base. The utility model discloses can forge the metal sheet and press into the initial billet state that turns to the seat to subsequent finish forging shaping, this mould forge the turn to seat of extrusion do not have defects such as strain, fold, and the overlap is few, and material utilization is high.
Description
Technical Field
The utility model relates to a forging mould technical field especially relates to a preforging die for turning to seat.
Background
Like figure 1, the car pulls and turns to seat includes trapezoidal plate and two cylinder otic placodes, when producing this work piece, adopts forging and pressing shaping, makes the sheet metal after the heating flow to two cylinder otic placodes departments promptly in the mould, and forms the cylinder that the decurrent diameter is greater than the board thickness, if the mould design is unreasonable, then probably makes the cylinder shaping not conform to the size, and its decurrent dog-ear is not in place yet, can even strain the metal and form a large amount of overlap burrs.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art not enough, and provide a preforging die for turning to seat, it adopts two step forming's mode forging and pressing work piece, and wherein the preforging die is used for forging the sheet material into the work piece of the profile of just having, mainly forms trapezoidal and two cylinder otic placodes and at trapezoidal department extrusion blind hole.
The utility model provides a technical scheme that its technical problem adopted is: a pre-forging die for a steering seat comprises an upper die holder and a lower die holder, wherein the lower die holder is provided with a lower die cavity for forming the steering seat, the lower die cavity comprises a trapezoidal die cavity and a U-shaped groove die cavity, a culvert for containing a metal material is arranged at the bottom of the trapezoidal die cavity, a chopping plate is arranged at the middle section of the U-shaped groove die cavity, and a flash groove is arranged above the trapezoidal die cavity; the upper die base is provided with a trapezoidal boss matched with the flash groove, the trapezoidal boss is provided with a punch for pressing a blind hole on a workpiece, the lower die base is provided with a plurality of grooves which are convenient for the upper die base to be matched with the lower die base along the periphery of the lower die base, and the upper die base is provided with lugs corresponding to the grooves along the periphery of the upper die base.
Furthermore, a mandril hole is formed in the lower die holder below the culvert.
Further, when the upper die base and the lower die base are assembled, the gap between the flash groove and the trapezoidal boss is 3 mm.
Further, when the upper die base and the lower die base are assembled, the gap between the groove and the bump is 3 mm.
The utility model has the advantages that: a pre-forging die for a steering seat comprises an upper die holder and a lower die holder, wherein the lower die holder is provided with a lower die cavity for forming the steering seat, the lower die cavity comprises a trapezoidal die cavity and a U-shaped groove die cavity, a culvert hole for containing a metal material is formed in the bottom of the trapezoidal die cavity, a chopping plate is arranged in the middle section of the U-shaped groove die cavity, and a flash groove is formed above the trapezoidal die cavity; the upper die base is provided with a trapezoidal boss matched with the flash groove, the trapezoidal boss is provided with a punch for pressing a blind hole on a workpiece, the lower die base is provided with a plurality of grooves which are convenient for the upper die base to be matched with the lower die base along the periphery of the lower die base, and the upper die base is provided with lugs corresponding to the grooves along the periphery of the upper die base. The utility model discloses can forge the metal sheet and press into the initial billet state that turns to the seat to subsequent finish forging shaping, this mould forge the turn to seat of extrusion do not have defects such as strain, fold, and the overlap is few, and material utilization is high, and upper and lower mould realizes the compound die direction through setting up unsmooth agreeing with the structure, structure scientific and reasonable.
Drawings
FIG. 1 is a perspective view of a blank for initial forging of a steering base according to the present invention;
fig. 2 is a perspective view of an upper die base of a pre-forging die for a steering base of the present invention;
FIG. 3 is a perspective view of a lower die holder of a pre-forging die for a steering seat of the present invention;
fig. 4 is a sectional view of fig. 3.
Description of reference numerals:
1-upper die holder, 11-trapezoidal boss, 12-punch, 13-lug, 2-lower die holder, 21-lower die cavity, 211-trapezoidal die cavity, 212-U-shaped groove die cavity, 22-culvert, 23-split plate, 24-flash groove, 25-groove, 26-ejector rod hole.
Detailed Description
The following detailed description of the present invention is provided in connection with the accompanying drawings and the embodiments, and is not intended to limit the scope of the invention.
As shown in fig. 2-4, a pre-forging die for a steering seat comprises an upper die holder 1 and a lower die holder 2, wherein the lower die holder 2 is provided with a lower die cavity 21 forming the steering seat, the lower die cavity 21 comprises a trapezoidal die cavity 211 and a U-shaped groove die cavity 212, a culvert 22 containing a metal material is arranged at the bottom of the trapezoidal die cavity 211, a splitting plate 23 is arranged at the middle section of the U-shaped groove die cavity 212, and a flash groove 24 is arranged above the trapezoidal die cavity 211; the upper die base 1 is provided with a trapezoidal boss 11 matched with the flash groove 24, the trapezoidal boss 11 is provided with a punch 12 for pressing a blind hole on a workpiece, the lower die base 2 is provided with a plurality of grooves 25 which are convenient for the upper die base 1 and the lower die base 2 to be matched along the periphery of the lower die base, and the upper die base 1 is provided with lugs 13 corresponding to the grooves 25 along the periphery of the upper die base 1.
During production, the heated metal block is placed in the lower die cavity 21, and metal flows in the die cavity through forging and pressing, so that a blank with the shape of a steering seat is formed, a blind hole is punched in the trapezoidal position of a workpiece, and punching is convenient during subsequent final forging.
The grooves 25 and the lugs 13 are matched to play a role in guiding and positioning, and play a role in removing scraps. Therefore, when the upper die holder 1 and the lower die holder 2 are assembled, the gap between the flash groove 24 and the trapezoidal boss 11 is 3mm, and the gap between the groove 25 and the bump 13 is 3 mm.
In addition, in order to facilitate the removal of the workpiece after the forging is completed, the lower die holder 2 is provided with a jack hole 26 below the culvert 22.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (4)
1. A preforging die for a knuckle bearing, characterized by: the die comprises an upper die holder (1) and a lower die holder (2), wherein the lower die holder (2) is provided with a lower die cavity (21) forming a steering seat, the lower die cavity (21) comprises a trapezoidal die cavity (211) and a U-shaped groove die cavity (212), a culvert (22) containing a metal material is arranged at the bottom of the trapezoidal die cavity (211), a chopping plate (23) is arranged in the middle section of the U-shaped groove die cavity (212), and a flash groove (24) is arranged above the trapezoidal die cavity (211); the upper die base (1) is provided with a trapezoidal boss (11) matched with the flash groove (24), the trapezoidal boss (11) is provided with a punch (12) for pressing a blind hole on a workpiece, the lower die base (2) is provided with a plurality of grooves (25) matched with the upper die base (1) and the lower die base (2) along the periphery of the lower die base, and the upper die base (1) is provided with lugs (13) corresponding to the grooves (25) along the periphery of the upper die base (1).
2. A blocker for a fifth wheel according to claim 1, wherein: and a mandril hole (26) is formed below the culvert (22) of the lower die holder (2).
3. A blocker for a fifth wheel according to claim 1, wherein: when the upper die holder (1) and the lower die holder (2) are assembled, the gap between the flash groove (24) and the trapezoidal boss (11) is 3 mm.
4. A blocker for a fifth wheel according to claim 1, wherein: when the upper die holder (1) and the lower die holder (2) are assembled, the gap between the groove (25) and the bump (13) is 3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921662152.2U CN211027937U (en) | 2019-09-29 | 2019-09-29 | A blocker for turning to seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921662152.2U CN211027937U (en) | 2019-09-29 | 2019-09-29 | A blocker for turning to seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211027937U true CN211027937U (en) | 2020-07-17 |
Family
ID=71531081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921662152.2U Active CN211027937U (en) | 2019-09-29 | 2019-09-29 | A blocker for turning to seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211027937U (en) |
-
2019
- 2019-09-29 CN CN201921662152.2U patent/CN211027937U/en active Active
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