CN220407000U - Lost foam pouring gate rod structure - Google Patents
Lost foam pouring gate rod structure Download PDFInfo
- Publication number
- CN220407000U CN220407000U CN202321411832.3U CN202321411832U CN220407000U CN 220407000 U CN220407000 U CN 220407000U CN 202321411832 U CN202321411832 U CN 202321411832U CN 220407000 U CN220407000 U CN 220407000U
- Authority
- CN
- China
- Prior art keywords
- pouring
- pouring gate
- bucket tooth
- gate
- column
- 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.)
- Active
Links
- 239000006260 foam Substances 0.000 title claims abstract description 12
- 235000002245 Penicillium camembertii Nutrition 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000003110 molding sand Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 238000005266 casting Methods 0.000 abstract description 15
- 241000221696 Sclerotinia sclerotiorum Species 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000003031 feeding effect Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000010114 lost-foam casting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model discloses a lost foam pouring gate rod structure which comprises a pouring cup, a straight pouring gate and a multi-prism seat, wherein the pouring cup, the straight pouring gate and the multi-prism seat are coaxially arranged from top to bottom in sequence; each side face of the polygonal column seat is connected with a bucket tooth white mold through a branch pouring gate; an auxiliary pouring gate is further arranged between the straight pouring gate and the bucket tooth white mould, and two ends of the auxiliary pouring gate are correspondingly connected with the upper end of the bucket tooth white mould and the upper part of the straight pouring gate; the pouring cup, the sprue and the polygonal column seat are inserted and connected with a connecting column in a penetrating mode, a pressure head is arranged on the upper portion of the connecting column, and the pressure head can move downwards and correspondingly block a channel formed by the pouring cup and the sprue after molten steel pouring. The utility model increases the overall stability, can ensure that molten steel fills the white mold of the bucket tooth, reduces the phenomena of local shrinkage cavity, shrinkage porosity and empty tip of the bucket tooth casting, and improves the casting quality of the bucket tooth.
Description
Technical Field
The utility model relates to the technical field of bucket tooth casting of excavators and loaders, in particular to a lost foam pouring gate rod structure.
Background
The lost foam casting is used for large-scale and batch production of medium and small-sized patterns (white molds), and mainly adopts a mold foaming molding method. The white mold foamed by the mold is adopted, and after the pouring system and the white mold of the goods are bonded and combined by adopting an adhesive, the next dipping and coating and drying process is carried out, and finally pouring is carried out. At present, in the bucket tooth production casting process, the bucket tooth bonding mode is pouring and pouring an organic whole, six pieces of sticks are adopted, a six-face pouring gate stick is adopted, and the ingate is arranged on a six-face stick base, so that the process can greatly improve the yield of castings, but after adopting the process, the phenomena of local shrinkage cavity, shrinkage porosity and tip hollowness of bucket tooth castings often occur, and the main reason is that molten steel cannot fully fill bucket tooth white molds, and shrinkage cavity, shrinkage porosity and tip hollowness occur due to the existence of bubbles when the bucket tooth white molds are filled with molten steel for solidification, so that the process needs to be further improved.
Disclosure of Invention
The utility model aims to overcome the existing defects, provides a lost foam pouring gate rod structure, increases the overall stability, can ensure that molten steel fills a bucket tooth white mold, reduces the phenomena of local shrinkage cavity, shrinkage porosity and evacuation of bucket tooth castings, improves bucket tooth casting quality, and can effectively solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the lost foam pouring gate rod structure comprises a pouring cup, a straight pouring gate and a multi-prism seat, wherein the pouring cup, the straight pouring gate and the multi-prism seat are coaxially arranged from top to bottom in sequence; each side face of the polygonal column seat is connected with a bucket tooth white mold through a branch pouring gate; an auxiliary pouring gate is further arranged between the straight pouring gate and the bucket tooth white mould, and two ends of the auxiliary pouring gate are correspondingly connected with the upper end of the bucket tooth white mould and the upper part of the straight pouring gate; the pouring cup, the sprue and the polygonal column seat are inserted and connected with a connecting column in a penetrating mode, a pressure head is arranged on the upper portion of the connecting column, and the pressure head can move downwards and correspondingly block a channel formed by the pouring cup and the sprue after molten steel pouring.
Preferably, the pressure head comprises a cone section and a cylinder section, wherein the cylinder section is coaxially positioned at the lower part of the cone section, the cone section and the pouring cup are in the same specification, and the diameter of the cylinder section is smaller than that of the sprue.
Preferably, the pressure head is sleeved on the connecting column, a pin hole is formed in the upper portion of the connecting column, a pin column used for supporting the pressure head is inserted in the pin hole in an inserting mode, the lower end of the connecting column is correspondingly inserted into the molding sand, and the connecting column is a graphite column.
Preferably, the pouring cup, the sprue and the multi-prism seat are integrally designed.
Preferably, the polygonal column base is a hexagonal column or an eight-square column.
Compared with the prior art, the utility model has the beneficial effects that: the bucket tooth white mold and the pouring gate rod are connected through the branch pouring gate and the auxiliary pouring gate, so that the overall stability is improved, and the auxiliary pouring gate is also beneficial to combustion exhaust of the bucket tooth white mold; after molten steel is poured, a channel is formed after the pouring cup, the sprue and the polygonal column seat are combusted, the pin post is pulled out after pouring is finished, the pressure head moves downwards to block the channel, the pressure head downwards presses the molten steel, the static pressure of the molten steel is increased, the molten steel can be ensured to fill the tooth white mold, the phenomena of local shrinkage cavity, shrinkage cavity and evacuation of the tooth casting are reduced, and the tooth casting quality is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a partial structure of the present utility model;
fig. 3 is a partial structural cross-sectional view of the present utility model.
In the figure: 1 pressure head, 1.1 cone section, 1.2 cylinder section, 2 spliced pole, 3 pouring cup, 4 auxiliary pouring gate, 5 polygonal column seat, 6 pouring gate, 7 straight pouring gate, 8 round pin post.
Detailed Description
In the description, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc., the drawings merely correspond to the drawings of the present utility model, and in order to facilitate description of the present utility model, it is not indicated or implied that the device or element referred to must have a specific azimuth:
referring to fig. 1-3, the present utility model provides a technical solution: the lost foam pouring gate rod structure comprises a pouring cup 3, a sprue 7 and a polygonal column seat 5, wherein the pouring cup 3, the sprue 7 and the polygonal column seat 5 are coaxially arranged from top to bottom in sequence; each side face of the polygonal column seat 5 is connected with a bucket tooth white mold through a branch pouring gate 6; the pouring cup 3, the straight pouring gate 7 and the polygonal column seat 5 are firstly combusted during casting, the polygonal column seat 5 is combusted to form a corresponding polygonal column-shaped cavity in the molding sand, meanwhile, the pouring cup 3, the straight pouring gate 7, the polygonal column seat 5 and the bucket tooth white mold are combusted, oxygen is required for combustion, oxygen is reduced to form a certain negative pressure, and a certain feeding effect can be enhanced; an auxiliary pouring gate 4 is further arranged between the straight pouring gate 7 and the bucket tooth white mould, two ends of the auxiliary pouring gate 4 are correspondingly connected with the upper end of the bucket tooth white mould and the upper part of the straight pouring gate 7, the bucket tooth white mould and the straight pouring gate 7 are connected through the auxiliary pouring gate 4, the connection firmness of the bucket tooth white mould is improved, and a channel is formed after the auxiliary pouring gate 4 is combusted, so that gas generated by combustion is discharged;
the pouring cup 3, the sprue 7 and the polygonal column seat 5 are inserted and connected with a connecting column 2 in a penetrating manner, a pressure head 1 is arranged at the upper part of the connecting column 2, and the pressure head 1 can move downwards and correspondingly block a channel formed by the pouring cup 3 and the sprue 7 after molten steel pouring; the pressure head 1 comprises a cone section 1.1 and a cylinder section 1.2, wherein the cylinder section 1.2 is coaxially positioned at the lower part of the cone section 1.1, the pouring cup 3 and other specifications, the diameter of the cylinder section 1.2 is smaller than that of the straight pouring channel 7, after molten steel pouring is finished, the pressure head 1 moves downwards, the cone section 1.1 seals a groove formed after the pouring cup 3 is burnt, the cylinder section 1.2 is inserted into a channel, the pressure head 1 is equivalent to a plunger to extrude molten steel, the static pressure of the molten steel is increased, the filling of the molten steel into a bucket tooth white mold can be ensured, air bubbles are reduced, the phenomena of local shrinkage cavity, shrinkage cavity and tip hollow of a bucket tooth casting are reduced, and the bucket tooth casting quality is improved;
further, the pressure head 1 is sleeved on the connecting column 2, a pin hole is formed in the upper portion of the connecting column 2, a pin column 8 for supporting the pressure head 1 is inserted in the pin hole, the pin column 8 is inserted in and pulled out, the pressure head 1 is convenient to fix and drop, the lower end of the connecting column 2 is correspondingly inserted into molding sand, a pouring gate rod and a bucket tooth white mold can be fixed in the molding sand, the connecting column 2 is a graphite column, the graphite column is high-temperature resistant, and molten steel burning is avoided;
in addition, the pouring cup 3, the sprue 7 and the polygonal column seat 5 are integrally designed, and are integrally manufactured, so that the working hours are saved; the polygonal column seat 5 is a hexagonal column or an eight-square column, and can be used for casting a plurality of bucket tooth castings at one time, so that the processing efficiency is improved.
The utility model has not been described in detail in the prior art, and it is apparent to those skilled in the art that the utility model is not limited to the details of the above-described exemplary embodiments, but that the utility model can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the above-described 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.
Claims (5)
1. The utility model provides a lost foam runner stick structure, includes pouring basin (3), sprue (7) and polygon post seat (5), its characterized in that: the pouring cup (3), the sprue (7) and the multi-prism seat (5) are coaxially arranged in sequence from top to bottom; each side face of the polygonal column seat (5) is connected with a bucket tooth white mold through a branch pouring gate (6); an auxiliary pouring gate (4) is further arranged between the straight pouring gate (7) and the bucket tooth white die, and two ends of the auxiliary pouring gate (4) are correspondingly connected with the upper end of the bucket tooth white die and the upper part of the straight pouring gate (7); the pouring cup (3), the sprue (7) and the polygonal column seat (5) are inserted and connected with the connecting column (2) in a penetrating mode, the pressure head (1) is arranged on the upper portion of the connecting column (2), and the pressure head (1) can move downwards and correspondingly plug a channel formed by the pouring cup (3) and the sprue (7) after molten steel pouring.
2. A lost foam gate stick structure according to claim 1, wherein: the pressure head (1) comprises a cone section (1.1) and a cylinder section (1.2), wherein the cylinder section (1.2) is coaxially arranged at the lower part of the cone section (1.1), the cone section (1.1) and the pouring cup (3) are of the same specification, and the diameter of the cylinder section (1.2) is smaller than that of the sprue (7).
3. A lost foam gate stick structure according to claim 1, wherein: the pressure head (1) is sleeved on the connecting column (2), a pin hole is formed in the upper portion of the connecting column (2), a pin column (8) used for supporting the pressure head (1) is inserted in the pin hole in an inserting mode, the lower end of the connecting column (2) is correspondingly inserted into molding sand, and the connecting column (2) is a graphite column.
4. A lost foam gate stick structure according to claim 1, wherein: the pouring cup (3), the sprue (7) and the multi-prism seat (5) are integrally designed.
5. A lost foam gate stick structure according to claim 1, wherein: the polygonal column seat (5) is a hexagonal column or an eight-square column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411832.3U CN220407000U (en) | 2023-06-05 | 2023-06-05 | Lost foam pouring gate rod structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411832.3U CN220407000U (en) | 2023-06-05 | 2023-06-05 | Lost foam pouring gate rod structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220407000U true CN220407000U (en) | 2024-01-30 |
Family
ID=89655909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321411832.3U Active CN220407000U (en) | 2023-06-05 | 2023-06-05 | Lost foam pouring gate rod structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220407000U (en) |
-
2023
- 2023-06-05 CN CN202321411832.3U patent/CN220407000U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |