CN210450895U - Special die-casting die for manufacturing chemical pump sealing ring - Google Patents
Special die-casting die for manufacturing chemical pump sealing ring Download PDFInfo
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- CN210450895U CN210450895U CN201920691196.1U CN201920691196U CN210450895U CN 210450895 U CN210450895 U CN 210450895U CN 201920691196 U CN201920691196 U CN 201920691196U CN 210450895 U CN210450895 U CN 210450895U
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- sealing ring
- chemical pump
- punch
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Abstract
The utility model provides a special die casting die for making chemical pump sealing ring belongs to mould technical field. The special die-casting die for the sealing ring of the chemical pump solves the problems that the existing special die-casting die for the sealing ring of the chemical pump is easy to deform and scrap and short in service life. The special die-casting die for manufacturing the chemical pump sealing ring comprises a die cavity block, wherein an annular die-casting channel is arranged in the middle of the die cavity block, an upper punch and a lower punch which are matched with the die-casting channel in size and shape are arranged in the die-casting channel in a sliding mode, the upper punch and the lower punch are axially matched with the die-casting channel at intervals and form a die-casting cavity of the chemical pump sealing ring with the die-casting channel, and axial guide devices for preventing the upper punch and the lower punch from rotating and shifting in the die-casting channel of the die cavity block are respectively arranged between the upper punch and the lower punch and the die cavity block. The utility model discloses simple structure, long service life, convenient to use.
Description
Technical Field
The utility model belongs to the technical field of the mould, a special die casting die for making chemical pump sealing ring is related to.
Background
The essence of die casting is a forming process for filling liquid or semi-solid metal and extremely high speed into a die cavity of a die casting die under the action of high pressure, and forming, cooling and solidifying under the action of pressure to obtain a casting; the size precision of the die-cast product is high. The surface roughness is low, the material utilization rate is high, the tissue is compact, and the strength and the hardness are higher; by utilizing the die casting process, metal parts with complex shapes, clear outlines and thin walls and deep cavities can be manufactured, and parts made of other materials can be directly embedded and cast on a die casting piece, so that precious materials and processing time are saved; the die-casting die with the correct and reasonable structure is a prerequisite condition for smooth die-casting production and plays an important role in ensuring the quality of castings.
In the existing special die-casting die for the chemical pump sealing ring, an upper punch and a lower punch are arranged in a die-casting channel of a die cavity block, and an axial sliding guide device is not arranged between the upper punch and the die cavity block and between the lower punch and the die cavity block; the existing die-casting channel is annular, the upper punch and the lower punch are annular, and the upper punch and the lower punch slide in the die-casting channel in a guiding manner through the annular structure of the upper punch and the lower punch; such a structure has the following disadvantages: when the upper punch and the lower punch are slightly worn after being used for a long time, the upper punch and the lower punch can be shifted and clamped, and are easy to deform and scrap under the high pressure of die casting, so that the service life is short.
Disclosure of Invention
The utility model aims at the above-mentioned problem that exists among the prior art, provide a simple structure, enable upper punch, lower punch at die-casting passageway axial slip direction, the long service life's of die cavity piece special die casting die for making chemical pump sealing ring.
The purpose of the utility model can be realized by the following technical proposal: the utility model provides a special die casting die for making chemical pump sealing ring, includes the die cavity piece, the middle part position of die cavity piece have and be annular die-casting passageway, the die-casting passageway in still slide and be provided with die-casting passageway size, shape adaptation's upper punch, lower punch, upper punch, lower punch axial interval cooperation and die-casting passageway formation chemical pump sealing ring's die-casting chamber in the die-casting passageway, its characterized in that, upper punch, lower punch and die cavity piece between be provided with respectively and prevent upper punch, lower punch in the die-casting passageway of die cavity piece internal circumferential direction rotary displacement's axial guider.
The special die-casting die for manufacturing the chemical pump sealing ring is mainly characterized in that axial guide devices are respectively arranged between the upper punch and the lower punch and the die cavity block, and the upper punch and the lower punch are guided in the die-casting channel of the die cavity block in an axial sliding mode through the axial guide devices.
In foretell a special die casting die for making chemical pump sealing ring, guider include that circumference interval distribution has a plurality of to be the guide arris that the axial set up on the inner wall of die-casting passageway, the outer wall of upper punch on circumference interval distribution have a plurality of to be the guide way one that the axial set up, the outer wall of lower punch on circumference interval distribution have a plurality of to be the guide way two that the axial set up, when upper punch, lower punch are in the die-casting passageway, and the guide way one of this upper punch, the guide way two of lower punch all correspond and are in on the guide arris. During actual manufacturing, the number of the guide edges is three, the guide edges and the die cavity block are of an integrated structure, the number of the guide grooves I and the number of the guide grooves II are three, and the upper punch is axially matched and slides with the guide edges of the die cavity block through the guide grooves I; the lower punch is axially matched and slides with the guide edge of the die cavity block through the second guide groove.
In the above-mentioned special die casting die for manufacturing chemical pump sealing ring, the upper punch head include be annular column body one, the upper end of body one have and be circular shape connecting seat one, the lower extreme terminal surface of body one on have die-casting groove one, the upper end of guide way one run through die-casting groove one, still be provided with on the outer wall at the middle part of body one that corresponds with a guide way axial and let the position portion, the lower extreme of guide way one extend to and let the position portion. The purpose of this arrangement is to facilitate the axial sliding of the upper punch within the die-casting channel of the die cavity block, so as to avoid the axial sliding interference of the guide rib with the body.
In the special die-casting die for manufacturing the chemical pump sealing ring, the groove wall of the first die-casting groove is subjected to chamfering. The purpose that sets up like this makes chemical pump sealing ring at die-casting inslot integrated into one piece, avoids improving chemical pump sealing ring die-casting production efficiency to chemical pump sealing ring edge chamfer processing.
In foretell a special die casting die for making chemical pump sealing ring, the lower punch including be annular column body two, the lower extreme of body two have and be circular shape connecting seat two, the upper end terminal surface of body one on have die-casting groove two, the tank bottom of die-casting groove two on circumference interval distribution have a plurality of be radial setting's arc arris, the arc arris and the corresponding distribution of guide way two the upper end of just this guide way two run through the middle part position that the lower extreme of arc arris and this guide way two extended to body two. During actual manufacturing, a minor arc protrusion is further arranged at the edge of the groove bottom between one pair of two adjacent arc-shaped edges, and a semicircular protrusion is further arranged at the edge of the groove bottom between the other two adjacent arc-shaped edges.
In the special die-casting die for manufacturing the chemical pump sealing ring, the groove wall of the die-casting groove II is subjected to chamfering treatment. The purpose that sets up like this makes chemical pump sealing ring at two interior integrated into one piece in die-casting groove, avoids improving chemical pump sealing ring die-casting production efficiency to chemical pump sealing ring edge chamfer processing.
In the above special die-casting die for manufacturing the chemical pump sealing ring, the die cavity block comprises an annular die cavity block and a core rod, and the core rod is arranged in the annular die cavity block and forms the die-casting channel with the annular die cavity block. The purpose of setting up like this makes things convenient for the die cavity piece to dismantle the maintenance, convenient to use.
Compared with the prior art, this a special die casting die for making chemical pump sealing ring's advantage does: the structure is simple; axial guide devices are respectively arranged between the upper punch and the lower punch and the die cavity block, and the upper punch and the lower punch are axially slidably guided in the die-casting channel of the die cavity block through the axial guide devices, so that the upper punch and the lower punch are prevented from circumferentially rotating and shifting in the die-casting channel of the die cavity block; long service life and convenient use.
Drawings
Fig. 1 is a schematic sectional structural view of the special die-casting die for manufacturing the sealing ring of the chemical pump.
Fig. 2 is a schematic perspective view of an annular cavity block in the special die-casting mold for manufacturing the sealing ring of the chemical pump.
Fig. 3 is a schematic perspective structure view of an upper punch in the special die-casting die for manufacturing the chemical pump sealing ring.
Fig. 4 is a schematic perspective structure view of a lower punch in the special die-casting die for manufacturing the sealing ring of the chemical pump.
In the figure, 1, a guide edge; 2. a first guide groove; 3. a second guide groove; 4. a first body; 5. a first connecting seat; 6. a first die casting groove; 7. a relief portion; 8. a second body; 9. a second connecting seat; 10. a second die casting groove; 11. an arc-shaped edge; 12. an annular cavity block; 13. and (4) a core rod.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the special die-casting die for manufacturing the chemical pump sealing ring mainly comprises a die cavity block, the die cavity block mainly comprises an annular die cavity block 12 and a core rod 13, the core rod 13 is arranged in the annular die cavity block 12 and forms an annular die-casting channel with the annular die cavity block 12, an upper punch and a lower punch which are matched with the die-casting channel in size and shape are further arranged in the die-casting channel in a sliding manner, the upper punch and the lower punch are axially matched in the die-casting channel at intervals and form a die-casting cavity of the chemical pump sealing ring with the die-casting channel, and axial guide devices for preventing the upper punch and the lower punch from rotating and shifting in the die-casting channel of the die cavity block are respectively arranged between the upper punch and the lower punch and the.
In actual manufacturing, the guide device is implemented by the following specific modes: the inner wall of the die-casting channel is circumferentially and alternately distributed with three guide ridges 1 which are axially arranged, the outer wall of the upper punch is circumferentially and alternately distributed with three guide grooves one 2 which are axially arranged, the outer wall of the lower punch is circumferentially and alternately distributed with three guide grooves two 3 which are axially arranged, and when the upper punch and the lower punch are positioned in the die-casting channel, the guide grooves one 2 of the upper punch and the guide grooves two 3 of the lower punch are both correspondingly positioned on the guide ridges 1.
As shown in fig. 3, the specific structure of the upper punch is as follows: the die-casting device mainly comprises a first body 4 which is in an annular column shape, wherein a first connecting seat 5 which is in a circular shape is arranged at the upper end of the first body 4, a first die-casting groove 6 is arranged on the end surface of the lower end of the first body 4, the upper end of a first guide groove 2 penetrates through the first die-casting groove 6, a position-giving part 7 is further arranged on the outer wall of the middle part of the first body 4 axially corresponding to the first guide groove 2, and the lower end of the first guide groove 2 extends to the position-giving part 7; and (5) chamfering the groove wall of the first die-casting groove 6.
As shown in fig. 4, the lower punch has the following specific structure: the die casting device mainly comprises a second body 8 which is in an annular column shape, a second connecting seat 9 which is in a circular shape is arranged at the lower end of the second body 8, a second die casting groove 10 is arranged on the upper end face of the first body 4, a plurality of arc-shaped edges 11 which are radially arranged are circumferentially distributed at intervals on the bottom of the second die casting groove 10, the arc-shaped edges 11 are distributed corresponding to the second guide groove 3, the upper end of the second guide groove 3 penetrates through the arc-shaped edges 11, and the lower end of the second guide groove 3 extends to the middle position of the second body 8; and chamfering the groove wall of the second die-casting groove 10.
When the chemical pump sealing ring is actually used, the lower punch is positioned in the die-casting channel and axially descends for a certain distance to form a die-casting cavity, the die-casting cavity is filled with the filler, and the upper punch is positioned in the die-casting channel under the action of high pressure and is subjected to downward die-casting and the filler die-casting to form the chemical pump sealing ring.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the guide edge 1 is used more here; a first guide groove 2; a second guide groove 3; a first body 4; a first connecting seat 5; a first die-casting groove 6; a relief portion 7; a second body 8; a second connecting seat 9; a second die casting groove 10; an arc-shaped edge 11; an annular cavity block 12; a mandrel 13, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (7)
1. The utility model provides a special die casting die for making chemical pump sealing ring, includes the die cavity piece, the middle part position of die cavity piece have and be annular die-casting passageway, the die-casting passageway in still slide and be provided with die-casting passageway size, shape adaptation's upper punch, lower punch, upper punch, lower punch axial interval cooperation and die-casting passageway formation chemical pump sealing ring's die-casting chamber in the die-casting passageway, its characterized in that, upper punch, lower punch and die cavity piece between set up respectively and prevent upper punch, lower punch in the die-casting passageway of die cavity piece internal circumferential direction rotary displacement's axial guider.
2. The die-casting die special for manufacturing the chemical pump sealing ring as claimed in claim 1, wherein the guiding device comprises a plurality of guiding ridges (1) axially arranged on the inner wall of the die-casting channel at intervals in the circumferential direction, a plurality of guiding grooves I (2) axially arranged on the outer wall of the upper punch at intervals in the circumferential direction, a plurality of guiding grooves II (3) axially arranged on the outer wall of the lower punch at intervals in the circumferential direction, and when the upper punch and the lower punch are positioned in the die-casting channel, the guiding grooves I (2) of the upper punch and the guiding grooves II (3) of the lower punch are both correspondingly positioned on the guiding ridges (1).
3. The special die-casting die for manufacturing the chemical pump sealing ring is characterized in that the upper punch comprises a first body (4) in an annular column shape, a first connecting seat (5) in a circular shape is arranged at the upper end of the first body (4), a first die-casting groove (6) is formed in the end face of the lower end of the first body (4), the upper end of the first guide groove (2) penetrates through the first die-casting groove (6), a position yielding part (7) is further arranged on the outer wall of the middle part of the first body (4) axially corresponding to the first guide groove (2), and the lower end of the first guide groove (2) extends to the position yielding part (7).
4. The special die-casting die for manufacturing the chemical pump sealing ring is characterized in that the groove wall of the first die-casting groove (6) is subjected to chamfering treatment.
5. The special die-casting die for manufacturing the chemical pump sealing ring according to claim 3, wherein the lower punch comprises a second body (8) in an annular column shape, a second connecting seat (9) in a circular shape is arranged at the lower end of the second body (8), a second die-casting groove (10) is formed in the upper end face of the first body (4), a plurality of arc-shaped ribs (11) which are radially arranged are circumferentially distributed at intervals on the bottom of the second die-casting groove (10), the arc-shaped ribs (11) and the second guide groove (3) are correspondingly distributed, and the upper end of the second guide groove (3) penetrates through the arc-shaped ribs (11) and the lower end of the second guide groove (3) and extends to the middle position of the second body (8).
6. The special die-casting die for manufacturing the chemical pump sealing ring is characterized in that the groove wall of the die-casting groove II (10) is subjected to chamfering treatment.
7. The special die-casting die for manufacturing the chemical pump sealing ring is characterized in that the die cavity block comprises an annular die cavity block (12) and a core rod (13), and the core rod (13) is arranged in the annular die cavity block (12) and forms the die-casting channel with the annular die cavity block (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920691196.1U CN210450895U (en) | 2019-05-11 | 2019-05-11 | Special die-casting die for manufacturing chemical pump sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920691196.1U CN210450895U (en) | 2019-05-11 | 2019-05-11 | Special die-casting die for manufacturing chemical pump sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210450895U true CN210450895U (en) | 2020-05-05 |
Family
ID=70437829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920691196.1U Expired - Fee Related CN210450895U (en) | 2019-05-11 | 2019-05-11 | Special die-casting die for manufacturing chemical pump sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210450895U (en) |
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2019
- 2019-05-11 CN CN201920691196.1U patent/CN210450895U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200505 Termination date: 20210511 |