CN223129353U - Powder metallurgy die of connecting rod - Google Patents
Powder metallurgy die of connecting rodInfo
- Publication number
- CN223129353U CN223129353U CN202422321808.1U CN202422321808U CN223129353U CN 223129353 U CN223129353 U CN 223129353U CN 202422321808 U CN202422321808 U CN 202422321808U CN 223129353 U CN223129353 U CN 223129353U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- powder
- mold
- die
- shielding cover
- 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.)
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- Powder Metallurgy (AREA)
Abstract
The utility model discloses a powder metallurgy die of a connecting rod, which relates to the technical field of manufacturing and processing of connecting rods and comprises an upper die, a lower die, a shielding cover and a powder concentration piece, wherein the lower die comprises a template, the template is embedded with the connecting rod die, the shielding cover is fixed at the upper end of the template and wraps the connecting rod die, the top of the shielding cover is provided with a die pressing opening matched with the upper die, and the die pressing opening corresponds to the connecting rod die.
Description
Technical Field
The utility model relates to the technical field of manufacturing and processing of connecting rods, in particular to a powder metallurgy die of a connecting rod.
Background
The connecting rod is one of the main transmission mechanisms of automobile engine, and it connects the piston and the crankshaft, and transmits the expansion gas pressure acting on the top of the piston to the crankshaft, so that the reciprocating linear motion of the piston can be converted into the rotary motion of the crankshaft.
The large-scale connecting rod is usually manufactured by forging and mould pressing after heating an integrated iron billet, the small-scale connecting rod is generally manufactured by calcining and solidifying after powder pressing and forming, the existing connecting rod powder forming mould is usually assembled on a table top, the external pushing table is used for feeding and pushing out the pressed connecting rod which is pushed out of the mould, in the using process, a lot of powder raw materials can be accumulated on the table top, although dust sweeping cloth or sponge blocks are additionally arranged at the bottom of the existing pushing table, table area dust can not be avoided, and part of dust is metal powder, so that the human body is greatly damaged.
Disclosure of utility model
The utility model provides a powder metallurgy die of a connecting rod, which has the advantage of limiting powder generated by pressing to be exposed in a working environment so as to solve the problem that the direct exposure of raw material powder is external to influence the health of personnel when the existing die is used.
In order to achieve the purpose, the utility model provides the following technical scheme that the powder metallurgy die of the connecting rod comprises an upper die, a lower die, a shielding cover and a powder concentrator, wherein:
the lower die comprises a die plate, and a connecting rod die is arranged on the die plate in an embedded mode;
The shielding cover is fixed at the upper end of the template and wraps the connecting rod die, the top of the shielding cover is provided with a die pressing opening matched with the upper die, and the die pressing opening corresponds to the connecting rod die.
As a preferable technical scheme of the utility model, the bottoms of two sides of the shielding cover are symmetrically provided with operation openings, and a baffle is arranged in each operation opening.
As a preferable technical scheme of the utility model, the top of the baffle is fixedly connected with the inner wall of the operation opening, and the baffle is made of synthetic rubber.
As a preferable technical scheme of the utility model, the outer wall of the shielding cover is symmetrically provided with through observation openings, and transparent observation windows are arranged in the observation openings.
As a preferable technical scheme of the utility model, an arc chamfer is arranged at the opening of the upper end of the die pressing port outwards.
As a preferable technical scheme of the utility model, the powder centralized piece wraps the powder bin, the powder bin is fixed at the bottom of the template, the template is provided with a plurality of penetrating powder leakage openings, and the bottom of the powder bin is symmetrically provided with discharge openings.
As a preferable technical scheme of the utility model, the die plate is provided with the mounting flange, the powder bin is provided with the connecting flange matched with the mounting flange, and the bottom of the connecting rod die and the bottom of the powder bin are respectively provided with the corresponding ejection holes.
Compared with the prior art, the utility model provides the powder metallurgy die of the connecting rod, which has the following beneficial effects:
1. According to the utility model, in the process of carrying out powder compression molding on the connecting rod through the shielding cover, redundant powder raw materials generated by compression are always positioned in the shielding cover, so that the phenomenon that metal raw material powder is accumulated on a table surface and exposed in the air to influence the health and safety of workers in a production workshop is avoided.
2. According to the utility model, the dust can be collected in the powder bin in a concentrated manner through the powder bin, and the powder entering the powder bin can be uniformly discharged from the discharge port, so that the raw material powder is reused, and resource waste is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a shielding cover according to the present utility model;
FIG. 3 is a schematic view of the lower die structure of the present utility model;
FIG. 4 is a cross-sectional view of the lower mold and the powder bin of the utility model;
FIG. 5 is a cross-sectional view of the interior of the powder bin of the utility model;
FIG. 6 is a schematic view of a connecting rod blank pressed by the die of the present utility model.
The device comprises a top die, a bottom die, a die plate, a connecting rod die, a die plate, a connecting rod die, a die 221, an ejection hole, a mounting flange, a die plate, a powder leakage port, a shielding cover, a die pressing port, a 32, an operating port, a33, a blocking curtain, a34, an observation port, a 35, an observation window, a 4, a powder concentration piece, a 41, a powder bin, a 42, a connecting flange, a 43 and an exhaust port.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-6, the utility model discloses a powder metallurgy die of a connecting rod, which comprises an upper die 1, a lower die 2, a shielding cover 3 and a powder concentrator 4, wherein:
the lower die 2 comprises a die plate 21, and a connecting rod die 22 is embedded in the die plate 21;
The shielding cover 3 is fixed at the upper end of the template 21 and wraps the connecting rod die 22, a die pressing opening 31 which is matched with the upper die 1 is formed in the top of the shielding cover 3, the length of the upper die 1 is larger than the sum of the height of the shielding cover 3 and the depth of the connecting rod die 22, and the die pressing opening 31 corresponds to the connecting rod die 22.
Referring to fig. 1-2, the bottoms of two sides of the shielding cover 3 are symmetrically provided with an operation opening 32, a blocking curtain 33 is installed in the operation opening 32, specifically, the operation opening 32 is used for pushing out a connecting rod and entering an external pushing table, the top of the blocking curtain 33 is fixedly connected with the inner wall of the operation opening 32, the blocking curtain 33 is made of synthetic rubber, a door curtain is flexible rubber, the door curtain can be easily pushed open, the sealing effect is good in a general state, powder raw materials are prevented from drifting out, the outer wall of the shielding cover 3 is symmetrically provided with a penetrating observation opening 34, a transparent observation window 35 is installed in the observation opening 34, the condition in the shielding cover 3 of the connecting rod can be checked through the observation window 35, an arc chamfer is outwards arranged at the opening of the upper end of the mold pressing opening 31, and further, the arc chamfer can enable the upper mold 1 to be stably inserted into the mold pressing opening 31.
Example two
Based on the above embodiment 1, referring to fig. 4 and 5, the powder collecting member 4 wraps the powder bin 41, the powder bin 41 is fixed at the bottom of the mold plate 21, the mold plate 21 is provided with a plurality of through powder leakage openings 24, the bottom of the powder bin 41 is symmetrically provided with a discharge opening 43, the mold plate 21 is provided with a mounting flange 23, the powder bin 41 is provided with a connecting flange 42 matched with the mounting flange 23, and the bottoms of the connecting rod mold 22 and the powder bin 41 are respectively provided with a corresponding ejection hole 221;
In this embodiment, the surplus powder raw material manufactured in the shielding cover 3 enters the powder bin 41 from the powder leakage port 24 and is discharged from the discharge port 43 in a unified manner for recycling, and the powder bin 41 and the ejection hole 221 at the bottom of the connecting rod die 22 can eject the pressed connecting rod through the ejector rod.
The working principle and the use flow of the utility model are that when the pressing forming of the connecting rod is carried out, an external pushing table slides into the shielding cover 3 from the operation opening 32 at one side to carry out powder feeding in the lower die 2, after the feeding is completed, the upper die 1 moves downwards through the die pressing opening 31 into the shielding cover 3 and continuously enters the connecting rod die 22 downwards to carry out powder pressing forming under the driving of hydraulic equipment, after the pressing is completed, the ejector rod in the ejection hole 221 ejects the pressed connecting rod embryo out of the connecting rod die 22, at the moment, the external pushing table slides into the shielding cover 3 from the operation opening 32 at one side to eject the connecting rod from the operation opening 32 at the other side and simultaneously carry out powder feeding, in the process, excessive powder raw material enters the powder bin 41 from the powder leakage opening 24 and is discharged from the discharge opening 43 at the bottom of the powder bin 41, and a container is placed at the discharge opening 43 to recycle the powder.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422321808.1U CN223129353U (en) | 2024-09-24 | 2024-09-24 | Powder metallurgy die of connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422321808.1U CN223129353U (en) | 2024-09-24 | 2024-09-24 | Powder metallurgy die of connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223129353U true CN223129353U (en) | 2025-07-22 |
Family
ID=96428465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422321808.1U Active CN223129353U (en) | 2024-09-24 | 2024-09-24 | Powder metallurgy die of connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223129353U (en) |
-
2024
- 2024-09-24 CN CN202422321808.1U patent/CN223129353U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |