CN220480115U - Novel die holder - Google Patents
Novel die holder Download PDFInfo
- Publication number
- CN220480115U CN220480115U CN202321687757.3U CN202321687757U CN220480115U CN 220480115 U CN220480115 U CN 220480115U CN 202321687757 U CN202321687757 U CN 202321687757U CN 220480115 U CN220480115 U CN 220480115U
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- die holder
- lower die
- ejector rod
- upper die
- core
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 230000007704 transition Effects 0.000 claims description 26
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 2
- 238000005242 forging Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 238000012938 design process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
The utility model discloses a novel die holder, which comprises an upper die holder, a lower die holder, a plurality of upper inserted bars and a plurality of lower inserted bars, wherein an upper die core cavity for accommodating an upper die core is arranged in the upper die holder, inserted bar holes which are arranged in a one-to-one correspondence manner are arranged on two sides of the upper die holder, the plurality of upper inserted bars are mutually parallel and connected in the inserted bar holes of the upper die holder in a penetrating manner, and the upper inserted bars are bonded with the side wall of the upper die core through bonding grooves on the side wall of the upper die holder; the lower die core cavity for accommodating the lower die core is arranged in the lower die base, inserting rod holes which are arranged in one-to-one correspondence are formed in two sides of the lower die base, a plurality of lower inserting rods are connected in the inserting rod holes of the lower die base in a penetrating mode in parallel, the lower inserting rods are connected with the side wall of the lower die core in a bonding mode through bonding grooves in the inner side wall of the lower die base, and a push rod hole is formed in the bottom of the lower die base and used for installing a push rod of the lower die core. The utility model is applicable to various mold cores, provides enough bearing surface for the mold cores, can reduce the material feeding of the mold and reduce the cost of the mold.
Description
Technical Field
The utility model relates to the field of die forging, in particular to a novel die holder.
Background
Forging dies are a generic term for dies used when the metal is formed in a hot or cold state in volume. Because of the different structures of various target forgings, the structures of forging dies are also greatly different. In the forging die design process, in addition to the requirements of high precision of die size, high productivity of forgings, high strength performance and long service life, the factors of die guiding and bearing surface and the like are also required to be considered. For this reason, it is necessary to ensure that the contact area of the upper and lower molds is sufficiently large during the mold design process. However, this causes an increase in the weight of the mold, and the input cost is too high.
Disclosure of Invention
In order to solve the problems in the prior art, the novel die holder is provided, can be suitable for various die cores, provides enough bearing surfaces for the die cores, can reduce die feeding and reduces die cost.
The technical scheme adopted in the utility model is as follows:
the novel die holder comprises an upper die holder, a lower die holder, a plurality of upper inserted bars and a plurality of lower inserted bars, wherein an upper die core cavity for accommodating an upper die core is arranged in the upper die holder, inserted bar holes which are arranged in a one-to-one correspondence manner are formed in two sides of the upper die holder, a plurality of upper inserted bars are mutually parallel and connected in the inserted bar holes of the upper die holder in a penetrating manner, and the upper inserted bars are bonded with the side walls of the upper die core through bonding grooves on the inner side walls of the upper die holder; the lower die core cavity for accommodating the lower die core is arranged in the lower die base, inserting rod holes which are arranged in one-to-one correspondence are formed in two sides of the lower die base, a plurality of lower inserting rods are connected in the inserting rod holes of the lower die base in a penetrating mode in parallel, the lower inserting rods are connected with the side wall of the lower die core in a bonding mode through bonding grooves in the inner side wall of the lower die base, and a push rod hole is formed in the bottom of the lower die base and used for installing a push rod of the lower die core.
Preferably, the ejector rod of the lower mold core adopts a split type structure and comprises a fixed ejector rod and a transition ejector rod, wherein the fixed ejector rod is fixedly connected with the bottom of the lower mold core, the transition ejector rod is movably arranged in an ejector rod hole, the bottom of the fixed ejector rod is matched with the top of the transition ejector rod, and the bottom of the transition ejector rod passes through the ejector rod hole to be matched with the ejection device.
Preferably, a plurality of limit grooves are formed in the bottoms of the peripheral sides of the upper die holder, a plurality of limit protrusions are formed in the bottoms of the peripheral sides of the lower die holder, and the limit grooves are installed in one-to-one correspondence with the limit protrusions and used for locking and positioning the upper die holder and the lower die holder.
Preferably, the base of the fixed ejector rod is provided with a positioning groove, and the positioning groove is matched and positioned with the top of the transition ejector rod.
Preferably, a circle of limiting convex rings are arranged on the transition ejector rod along the circumferential direction and are used for limiting and installing the transition ejector rod in the ejector rod hole.
Preferably, the number of the upper inserted link and the lower inserted link is two.
The beneficial effects are that: the utility model provides a novel die holder, which has the following advantages:
(1) The upper die holder and the lower die holder of the utility model can be suitable for various die cores, only corresponding die cores are required to be designed aiming at different die forgings, the die cores are fixed in the die holders by the insert rods, the die holders bear force, the bearing area of the die is increased, meanwhile, the feeding weight of the die cores is reduced, and the production cost of the die is reduced.
(2) According to the utility model, the inserted link is used for replacing the locking stud, so that the assembly cost can be reduced, the structure of the device can be simplified, and the installation is simpler.
(3) In the utility model, the ejector rod adopts a split structure, the transition ejector rod can be suitable for various lower mold cores with fixed ejector rods, and the length of the ejector rod of the original mold core can be shortened, so that the material consumption of the mold core is reduced, and the cost of the mold is lowered.
Drawings
Fig. 1 is a schematic diagram illustrating the overall assembly of a die holder according to embodiment 1;
FIG. 2 is a schematic vertical sectional view of example 1 (omitting the lower core);
FIG. 3 is a front view of the upper die holder of embodiment 1;
FIG. 4 is a front view of the lower die holder of embodiment 1;
in the figure: the die comprises an upper die holder 1, an upper die core cavity 1-1, a limit groove 1-2, a lower die holder 2, a lower die core cavity 2-1, a mandril hole 2-2, a limit protrusion 2-3, an upper inserted link 3, a lower inserted link 4, a fixed mandril 5, a positioning groove 5-1, a transition mandril 6, a limit convex ring 6-1 and a bonding groove 7.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. The following description of the embodiments is merely exemplary in nature and it is to be understood that the embodiments described herein are merely illustrative of the utility model, and are in no way intended to limit the utility model, its application, or uses.
Example 1
As shown in fig. 1-2, the novel die holder comprises an upper die holder 1, a lower die holder 2, two upper inserted bars 3 and two lower inserted bars 4, wherein an upper die core cavity 1-1 for accommodating an upper die core is arranged in the upper die holder 1, inserted bar holes which are arranged in a one-to-one correspondence manner are arranged on two sides of the upper die holder 1, the two upper inserted bars 3 are mutually parallel and connected in the inserted bar holes of the upper die holder 1 in a penetrating manner, and the upper inserted bars 3 are bonded with the side walls of the upper die core through bonding grooves 7 on the inner side walls of the upper die holder; the lower die core cavity 2-1 for accommodating the lower die core is arranged in the lower die base 2, inserting rod holes which are arranged in a one-to-one correspondence manner are formed in two sides of the lower die base 2, two lower inserting rods 4 are mutually parallel and connected in the inserting rod holes of the lower die base 2 in a penetrating manner, the lower inserting rods 4 are bonded with the side wall of the lower die core through bonding grooves 7 on the inner side wall of the lower die base 2, and a push rod hole 2-2 is formed in the bottom of the lower die base 2 and used for mounting a push rod of the lower die core.
In this embodiment 1, the ejector pin of the lower mold core adopts a split structure, which comprises a fixed ejector pin 5 and a transition ejector pin 6, wherein the fixed ejector pin 5 is fixedly connected with the bottom of the lower mold core, the transition ejector pin 6 is movably installed in the ejector pin hole 2-2, the bottom of the fixed ejector pin 5 is installed in cooperation with the top of the transition ejector pin 6, and the bottom of the transition ejector pin 6 passes through the ejector pin hole 2-2 to work in cooperation with the ejector device.
In this embodiment 1, the base of the fixed ejector 5 is provided with a positioning groove 5-1, and the positioning groove 5-1 is matched with and positioned at the top of the transition ejector 6, so as to position the transition ejector 6 and ensure the stability of the ejector in the ejection process.
A circle of limiting convex rings 6-1 are arranged on the transition ejector rod 6 along the circumferential direction and are used for limiting and installing the transition ejector rod 6 in the ejector rod hole 2-2, so that the transition ejector rod 6 is ensured to always move in the ejector rod hole 2-2 in a limiting manner.
In this embodiment 1, as shown in fig. 3, a limit groove 1-2 is formed at the bottom of the peripheral side edge of the upper die holder 1, as shown in fig. 4, a limit protrusion 2-3 is formed at the top of the peripheral side edge of the lower die holder 2, and the limit groove 1-2 and the limit protrusion 2-3 are correspondingly matched and mounted one by one for locking and positioning the upper die holder 1 and the lower die holder 2, so that the upper die core in the upper die holder 1 and the lower die core in the lower die holder 2 can be accurately positioned and clamped, and the upper die holder and the lower die holder are placed to perform relative displacement in a plane.
In the utility model, the number of the upper inserted link 3, the lower inserted link 4, the limit grooves 1-2 and the limit protrusions 2-3 can be selected and set according to real-time requirements, and the utility model belongs to conventional technical means.
The assembly method of this example 1 is as follows:
firstly, the lower die core is placed into a lower die core cavity 2-1 of a lower die base 2, at the moment, a fixed ejector rod 5 at the bottom of the lower die core is inserted into an ejector rod hole 2-2 and is in limit installation in cooperation with a transition ejector rod 6 in the ejector rod hole 2-2, then a lower insert rod 4 is inserted into an insert rod hole of the lower die base 2, and the lower insert rod 4 is fixed with the outer side wall of the lower die core through a bonding groove 7 in a bonding manner, so that the installation of the lower die core is completed.
The upper die holder 1 is fixedly arranged on a press, the upper die core is arranged on the lower die core, then the press drives the upper die holder 1 to move downwards until the upper die holder 1 and the lower die holder 2 are matched and positioned, at the moment, the upper die core is positioned in an upper die core cavity 1-1 of the upper die holder 1, finally, an upper inserting rod 3 is inserted into an inserting rod hole of the upper die holder 1, and the upper inserting rod 3 is fixedly bonded with the outer side wall of the upper die core through a bonding groove 7, so that the installation of the upper die core is completed.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The novel die holder is characterized by comprising an upper die holder, a lower die holder, a plurality of upper inserted bars and a plurality of lower inserted bars, wherein an upper die core cavity for accommodating an upper die core is arranged in the upper die holder, inserted bar holes which are arranged in a one-to-one correspondence manner are arranged on two sides of the upper die holder, a plurality of upper inserted bars are mutually parallel and connected in the inserted bar holes of the upper die holder in a penetrating manner, and the upper inserted bars are bonded with the side walls of the upper die core through bonding grooves on the inner side walls of the upper die holder; the lower die core cavity for accommodating the lower die core is arranged in the lower die base, inserting rod holes which are arranged in one-to-one correspondence are formed in two sides of the lower die base, a plurality of lower inserting rods are connected in the inserting rod holes of the lower die base in a penetrating mode in parallel, the lower inserting rods are connected with the side wall of the lower die core in a bonding mode through bonding grooves in the inner side wall of the lower die base, and a push rod hole is formed in the bottom of the lower die base and used for installing a push rod of the lower die core.
2. The novel die holder of claim 1, wherein the ejector rod of the lower die core adopts a split structure and comprises a fixed ejector rod and a transition ejector rod, wherein the fixed ejector rod is fixedly connected with the bottom of the lower die core, the transition ejector rod is movably arranged in an ejector rod hole, the bottom of the fixed ejector rod is matched with the top of the transition ejector rod, and the bottom of the transition ejector rod passes through the ejector rod hole to be matched with the ejection device.
3. The novel die holder according to claim 1 or 2, wherein a plurality of limit grooves are formed in the bottoms of the peripheral sides of the upper die holder, a plurality of limit protrusions are formed in the bottoms of the peripheral sides of the lower die holder, and the limit grooves are installed in one-to-one correspondence with the limit protrusions and used for locking and positioning the upper die holder and the lower die holder.
4. The novel die holder of claim 2, wherein the base of the fixed ejector rod is provided with a positioning groove, and the positioning groove is matched and positioned with the top of the transition ejector rod.
5. The novel die holder of claim 2, wherein a circle of limiting convex rings are circumferentially arranged on the transition ejector rod and are used for limiting and installing the transition ejector rod in the ejector rod hole.
6. The novel die holder of claim 3, wherein the number of upper and lower insert bars is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321687757.3U CN220480115U (en) | 2023-06-30 | 2023-06-30 | Novel die holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321687757.3U CN220480115U (en) | 2023-06-30 | 2023-06-30 | Novel die holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220480115U true CN220480115U (en) | 2024-02-13 |
Family
ID=89827436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321687757.3U Active CN220480115U (en) | 2023-06-30 | 2023-06-30 | Novel die holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220480115U (en) |
-
2023
- 2023-06-30 CN CN202321687757.3U patent/CN220480115U/en active Active
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