CN211331305U - Wear-resisting shock absorber piston valve line protection forming die - Google Patents
Wear-resisting shock absorber piston valve line protection forming die Download PDFInfo
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- CN211331305U CN211331305U CN201922462895.1U CN201922462895U CN211331305U CN 211331305 U CN211331305 U CN 211331305U CN 201922462895 U CN201922462895 U CN 201922462895U CN 211331305 U CN211331305 U CN 211331305U
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Abstract
The utility model relates to a wear-resistant shock absorber piston valve line protection forming die in the field of powder metallurgy, which comprises a female die, wherein the center of the female die is provided with a through hole, an upper die assembly is arranged above the through hole in a matching way, and a lower die assembly is arranged below the through hole in a matching way; the upper die assembly is matched with the lower die assembly; the upper die assembly is provided with an upper die and an upper second die in a matching way; the lower die assembly is provided with a lower punch, a lower second punch and a core rod assembly matched with the lower punch in a matching way; the utility model discloses a method through mould suppression can realize the one-off blank shaping of wear-resisting shock absorber piston valve to the protection valve line carries out the turning to the boss in the later stage simultaneously, improves work efficiency, and reduce cost guarantees the intensity of production moreover.
Description
Technical Field
The utility model relates to a wear-resisting shock absorber piston valve line protection forming die in the powder metallurgy field.
Background
The automobile shock absorber is a damping element, is a vulnerable part in the using process of an automobile, is one of important component elements of an automobile suspension system, and plays a decisive role in the smoothness, safety, steering operability and trafficability of the automobile. The piston of the shock absorber is one of important parts in the shock absorber of the automobile, and has a crucial influence on the generation of the damping force of the shock absorber. In the prior art, the shock absorber piston comprises an oil through hole and an outer hole comprising an inner hole, the outer hole in the prior art is mostly a square long arc-shaped hole, the inner hole is a round hole, and the length and the thickness of the square long hole are large and small, so that the design increases the liquid flow, and simultaneously, the thickness occupied in the piston is small, and the stability of the piston can be ensured; because the piston structure is complicated, the piston often can not be formed at one time, or even the strength or angle and other problems are not well controlled after one-time forming, the long-term stable production is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wear-resisting shock absorber piston valve line protection forming die, this utility model discloses a method through the mould suppression can realize the disposable blank shaping of wear-resisting shock absorber piston valve to the protection valve line carries out the turning to the boss in the later stage simultaneously, improves work efficiency, and reduce cost guarantees the intensity of production moreover.
The purpose of the utility model is realized like this: a valve line protection forming die for a piston of a wear-resistant shock absorber comprises a female die, wherein a through hole is formed in the center of the female die, an upper die assembly is arranged above the through hole in a matched mode, and a lower die assembly is arranged below the through hole in a matched mode; the upper die assembly is matched with the lower die assembly; the upper die assembly is provided with an upper die and an upper second die in a matching way; the lower die assembly is provided with a lower punch, a lower secondary punch and a core rod assembly matched with the lower punch in a matching manner.
The utility model discloses during operation, two last punches suit in the periphery of last punch, two lower punches suit in the periphery of lower punch, and two lower punches and lower punch are located the through-hole of bed die this moment, begin to suppress after the readiness, the size of centre bore and side core bar need be reserved to center core bar and side core bar, during the suppression, two last punches form the boss when pressing into two lower punches, and also form the surface shape of piston seat blank simultaneously, can one-time shaping blank, improve work efficiency; and taking out the blank, and turning off the boss to obtain a semi-finished product.
The beneficial effects of the utility model reside in that, this utility model can realize the one-off blank shaping of wear-resisting shock absorber piston valve through the method of mould suppression to the protection valve line carries out the turning to the boss in the later stage simultaneously, improves work efficiency, and reduce cost guarantees the intensity that produces moreover.
As a further improvement of the utility model, the upper two punches are matched with the upper punch to carry out punching work; the upper two punches are sleeved on the periphery of the upper punch, the bottoms of the upper two punches are lower than the bottom of the upper punch by a distance, and the bottoms of the upper two punches and the bottom of the upper punch are provided with inverted feet in a matching manner.
As a further improvement of the utility model, the lower two punches are matched with the lower punch to punch wages; the lower two punches are sleeved on the periphery of the lower punch, the tops of the lower two punches are lower than the top of the lower punch by a distance, and the tops of the lower two punches are arranged in an inclined plane.
As a further improvement of the utility model, the hole on the piston seat can be punched when being punched; the center of the lower punch and the center of the upper punch are provided with center holes, and the positions of the centers of the lower punch and the upper punch in a surrounding mode are provided with side holes.
As a further improvement of the utility model, the central hole and the side holes are convenient to punch for ensuring the core bar component; the core bar component is matched with a central core bar arranged in the central hole and matched with a side core bar arranged in the side hole; the central core rod and the side core rod are arranged from bottom to top, and the tail ends of the central core rod and the side core rods are provided with steps.
As a further improvement of the utility model, the boss is convenient to form; and the upper two punches and the lower two punches are compressed to form a piston seat boss.
As a further improvement of the utility model, the inner surface is convenient to punch and form; the inner surface of the piston seat is formed after the upper punch and the lower punch are pressed tightly.
Drawings
Fig. 1 is a front view of the present invention.
The die comprises a female die 1, a lower secondary punch 2, a lower punch 3, an upper secondary punch 4, an upper punch 5, a boss 6, a side core rod 7, a center core rod 8, a center hole 9 and a side hole 10.
Detailed Description
As shown in fig. 1, the object of the present invention is achieved by: a piston valve line protection forming die of a wear-resistant shock absorber comprises a female die 1, wherein a through hole is formed in the center of the female die 1, an upper die assembly is arranged above the through hole in a matched mode, and a lower die assembly is arranged below the through hole in a matched mode; the upper die assembly is matched with the lower die assembly; the upper die assembly is provided with an upper punch 5 and an upper second punch 4 in a matching way; the lower die assembly is provided with a lower punch 3, a lower second punch 2 and a core rod assembly matched with the lower punch 3 in a matching mode.
The upper two punches 4 are sleeved on the periphery of the upper punch 5, the bottoms of the upper two punches 4 are lower than the bottom of the upper punch 5 by a distance, and the bottoms of the upper two punches 4 and the bottom of the upper punch 5 are provided with inverted feet in a matching mode.
The lower two punches 2 are sleeved on the periphery of the lower punch 3, the tops of the lower two punches 2 are lower than the top of the lower punch 3 by a distance, and the tops of the lower two punches 2 are arranged in an inclined plane.
The center of the lower punch 3 and the center of the upper punch 5 are provided with center holes 9, and the positions of the centers of the lower punch 3 and the upper punch 5 are provided with side holes 10.
The core rod component is matched with a central core rod 8 arranged in a central hole 9 and matched with a side core rod 7 arranged in a side hole 10; the central core rod 8 and the side core rod 7 are arranged from bottom to top, and the tail ends of the central core rod and the side core rods are provided with steps.
And a piston seat boss 6 is formed after the upper punch 4 and the lower punch 2 are pressed tightly.
The inner surface of the piston seat is formed after the upper punch 5 and the lower punch 3 are pressed tightly.
The utility model discloses during operation, two last punches 4 suit in the periphery of last punch 5, two lower punches 2 suit in the periphery of lower punch 3, and two lower punches 2 and lower punch 3 are located the through-hole of bed die 1 at this moment, begin to suppress after the readiness, the size of centre bore 9 and side opening 10 need be reserved to centre core bar 8 and side core bar 7, during the suppression, two punches 4 form boss 6 when impressing in two lower punches 2, and also form the surface shape of piston seat blank simultaneously, can one-time shaping blank, improve work efficiency; then taking out the blank and turning off the boss 6 to obtain a semi-finished product.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.
Claims (7)
1. A valve line protection forming die for a piston of a wear-resistant shock absorber comprises a female die, wherein a through hole is formed in the center of the female die, an upper die assembly is arranged above the through hole in a matched mode, and a lower die assembly is arranged below the through hole in a matched mode; the upper die assembly is matched with the lower die assembly; the die is characterized in that the upper die component is provided with an upper die and an upper second die in a matching way; the lower die assembly is provided with a lower punch, a lower secondary punch and a core rod assembly matched with the lower punch in a matching manner.
2. The valve line protection molding die for a piston of a wear-resistant shock absorber as claimed in claim 1, wherein: the upper two punches are sleeved on the periphery of the upper punch, the bottoms of the upper two punches are lower than the bottom of the upper punch by a distance, and the bottoms of the upper two punches and the bottom of the upper punch are provided with inverted feet in a matching manner.
3. The valve line protection molding die for a piston of a wear-resistant shock absorber as claimed in claim 1, wherein: the lower two punches are sleeved on the periphery of the lower punch, the tops of the lower two punches are lower than the top of the lower punch by a distance, and the tops of the lower two punches are arranged in an inclined plane.
4. The valve line protection molding die for a piston of a wear-resistant shock absorber as claimed in claim 1, wherein: the center of the lower punch and the center of the upper punch are provided with center holes, and the positions of the centers of the lower punch and the upper punch in a surrounding mode are provided with side holes.
5. The valve line protection molding die for a piston of a wear-resistant shock absorber as claimed in claim 1, wherein: the core bar component is matched with a central core bar arranged in the central hole and matched with a side core bar arranged in the side hole; the central core rod and the side core rod are arranged from bottom to top, and the tail ends of the central core rod and the side core rods are provided with steps.
6. The valve line protection molding die for a piston of a wear-resistant shock absorber according to claim 1 or 2, wherein: and the upper two punches and the lower two punches are compressed to form a piston seat boss.
7. The valve line protection molding die for a piston of a wear-resistant shock absorber according to claim 1 or 2, wherein: the inner surface of the piston seat is formed after the upper punch and the lower punch are pressed tightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922462895.1U CN211331305U (en) | 2019-12-31 | 2019-12-31 | Wear-resisting shock absorber piston valve line protection forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922462895.1U CN211331305U (en) | 2019-12-31 | 2019-12-31 | Wear-resisting shock absorber piston valve line protection forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211331305U true CN211331305U (en) | 2020-08-25 |
Family
ID=72090320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922462895.1U Active CN211331305U (en) | 2019-12-31 | 2019-12-31 | Wear-resisting shock absorber piston valve line protection forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211331305U (en) |
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2019
- 2019-12-31 CN CN201922462895.1U patent/CN211331305U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 225200 Xinggang Road, Yanjiang Development Zone, Jiangdu District, Yangzhou City, Jiangsu Province Patentee after: Yangzhou Lide Powder Metallurgy Co.,Ltd. Address before: 225200 Xinggang Road, Yanjiang Development Zone, Jiangdu District, Yangzhou City, Jiangsu Province Patentee before: YANGZHOU LEADER POWDER METALLURGY Co.,Ltd. |