CN108480566A - The method for posting of arbor in increasing material manufacturing core - Google Patents
The method for posting of arbor in increasing material manufacturing core Download PDFInfo
- Publication number
- CN108480566A CN108480566A CN201810252805.3A CN201810252805A CN108480566A CN 108480566 A CN108480566 A CN 108480566A CN 201810252805 A CN201810252805 A CN 201810252805A CN 108480566 A CN108480566 A CN 108480566A
- Authority
- CN
- China
- Prior art keywords
- arbor
- sand
- hole
- core
- resin sand
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
- B22C9/106—Vented or reinforced cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The present invention proposes a kind of method for posting of arbor in increasing material manufacturing core, includes the following steps：Arbor hole is reserved in sand core internal, the both ends in arbor hole are connected to the external of sand core, form entrance and exit；After printing, the residual loose sand in arbor hole has been cleared up；Arbor after filling, is pushed into from the entrance in arbor hole into arbor hole, until arbor fully enters inside the resin sand in arbor hole by the potting resin sand into arbor hole before resin sand hardening；Arbor hole arrival end and outlet end are filled with resin sand respectively, consolidation, polished, in the present invention using first in arbor hole potting resin sand then again will arbor be inserted into resin sand by the way of fix arbor, due to being pushed into arbor using external force, it is combined so that being in close contact between arbor and potting resin sand, potting resin sand around arbor and between sand core combine it is even closer solid, avoid between arbor and potting resin sand and potting resin sand be layered with sand core, detach, fall off.
Description
Technical field
The present invention relates to a kind of method for posting of arbor in casting technology field more particularly to increasing material manufacturing core.
Background technology
Original small inner cavity core can be carried out merging module moulding by increasing material manufacturing type, core technology, and realization is integrally made without mould
Type has many advantages, such as that the development cycle is short, easy to operate.And in actual casting design and producing process, sand core and sand mold must
There must be certain rigidity, for model coremaking and formative technology, when needing to increase the rigidity of sand core and/or sand mold, it is only necessary to
Arbor is placed in flowchart process, at the position of setting according to production engineering specifications.But increases material manufacturing technology belongs to connection
It is manufacturing process, once the printing of sand mold and/or sand core, then can not stops in midway, printed to cannot achieve
Arbor is placed in journey to promote the rigidity of sand core and/or sand mold.
Application No. is in 2016100717850 patent, also disclose that a kind of sand core of internal setting arbor, the patent
In, then the straight line type hole for being disposed through sand core in arbor hole exists using first arbor is inserted into arbor hole when being placed in arbor
The mode of potting resin sand in arbor hole, this mode have the following defects：Around arbor hole when back-up sand, the resin of filling
Consolidation, the space sand that can leave around arbor 0.5-2mm cannot not enter layer of sand；Secondly, resin sand is loose sand, is being inserted
When around arbor hole, since hole is thinner, the resistance and difficulty that sand flows into are larger, and the sand of inflow is also seldom, it has not been convenient to it consolidates, or
Person can not consolidate, and cause to connect not consolidation between arbor and resin sand and sand core, and there are gap or cavities, and it is solid also to result in arbor
Fixed shaky, the acarpous problem of sand core internal.
Invention content
It is necessary to propose a kind of increasing material manufacturing core core for facilitating merging arbor and combining closely between arbor and sand core
The method for posting of bone.
The method for posting of arbor, includes the following steps in a kind of increasing material manufacturing core：
According to setting program print sand core, arbor hole is reserved in sand core internal, arbor hole is open circles post holes, the both ends in arbor hole
External with sand core is connected to, and forms entrance and exit；
After printing, the residual loose sand in arbor hole has been cleared up；
The potting resin sand into arbor hole, after filling, by arbor from the entrance in arbor hole to core before resin sand hardening
Push-in in bone hole, until arbor fully enters inside the resin sand in arbor hole；
Arbor hole arrival end and outlet end are filled with resin sand respectively, consolidation, polished, to form one with sand core.
Preferably, the entrance is set on the face of the sand core parallel with the axis direction in arbor hole, the outlet setting
In on the face of the sand core vertical with arbor axially bored line direction.
Preferably, the opening bore of entrance and the opening bore of outlet are more than the diameter in arbor hole, to increase entrance and go out
The contact surface of the resin sand and sand core filled in mouthful, and arbor is fixed in arbor hole, it avoids falling off.
Preferably, the aperture in the arbor hole is more than 3 ~ 5mm of diameter of arbor.
The beneficial effects of the present invention are：By reserving arbor hole on increasing material manufacturing sand core, while improving arbor insertion
The mode of back-up sand consolidation afterwards, make be originally by the sand core and/or sand mold of the support of itself connection structure pass through after the arbor that is placed in it is big
Amplitude improves its rigidity；On the other hand, the resin sand in arbor hole is combined comprehensively with arbor, is increased between arbor and sand core
Bond strength further promote sand core and/or sand moreover, the resin sand of entrance and exit also functions to the effect of fixed arbor
Type rigidity.
Description of the drawings
Fig. 1 is the structural schematic diagram using a kind of sand core embodiment of the method for the present invention.
Fig. 2 is the schematic diagram that sand core internal reserves arbor hole.
Fig. 3 is the schematic diagram that arbor is inserted into sand core internal.
Fig. 4 is the schematic diagram that arbor is placed in sand core internal.
In figure：Sand core 10, arbor 20, arbor hole 30, entrance 40, outlet 50, potting resin sand 60.
Specific implementation mode
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, common for this field
For technical staff, without creative efforts, other drawings may also be obtained based on these drawings.
Referring to Fig. 1 to Fig. 4, an embodiment of the present invention provides a kind of method for posting of arbor in increasing material manufacturing core, including
Following steps：
According to setting program print sand core 10, in 10 internal reservation arbor hole 30 of sand core, arbor hole 30 is open circles post holes, arbor
The both ends in hole 30 are connected to the external of sand core 10, form entrance 40 and outlet 50；
After printing, the residual loose sand in arbor hole 30 has been cleared up；
The potting resin sand 60 into arbor hole 30, after filling, by arbor 20 from arbor hole 30 before resin sand hardening
Entrance 40 is pushed into arbor hole 30, until arbor 20 fully enters inside the resin sand in arbor hole 30；
30 entrance of arbor hole, 40 end and 50 ends of outlet are filled with resin sand respectively, consolidation, polished, to form one with sand core 10
Body.
In the present invention using first in arbor hole 30 potting resin sand 60 then again will arbor 20 be inserted into resin sand by the way of
Fixed arbor 20, due to being pushed into arbor 20 using external force so that it is in close contact and combines between arbor 20 and potting resin sand 60, and
And under the exclusion force effect of arbor 20, extra sand is pushed out to outlet 50 and is discharged, the potting resin sand 60 around arbor 20
It combines even closer solid, avoids between arbor 20 and potting resin sand 60 and potting resin sand 60 and sand between sand core 10
Core 10 is layered, detaches, falls off.
Further, the entrance 40 is set on the face of the sand core 10 parallel with the axis direction in arbor hole 30, it is described go out
Mouth 50 is set on the face of the sand core 10 vertical with 30 axis direction of arbor hole.
In this way, in entrance 40 after potting resin sand 60 in outlet 50 after potting resin sand 60, in 10 inside arbor of sand core
The 20 resin layer of sand of arbor for the non-linear shapes that 20 surroundings are formed, is compared to the resin layer of sand of linear, the core of non-linear shapes
20 resin layer of sand of bone and 10 faying face of sand core are larger, bond strength is preferable, potting resin sand 60 is sticked in inside sand core 10, avoid
It is layered due in conjunction with bad between the resin layer of sand and sand core 10 of linear, then causes arbor 20 from sand core 10 along entering
The problem of 50 abjection of mouth 40 or outlet.
Further, entrance 40 opening bore and outlet 50 opening bore be more than arbor hole 30 diameter, with increase into
The contact surface of the resin sands and sand core 10 filled in mouth 40 and outlet 50, and arbor 20 is fixed in arbor hole 30, it avoids taking off
It falls.
Further, the aperture in the arbor hole 30 is more than 3 ~ 5mm of diameter of arbor 20.
Module or unit in device of the embodiment of the present invention can be combined, divided and deleted according to actual needs.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and is wanted according to right of the present invention
Equivalent variations made by asking, still belong to the scope covered by the invention.
Claims (4)
1. the method for posting of arbor in a kind of increasing material manufacturing core, it is characterised in that include the following steps：
According to setting program print sand core, arbor hole is reserved in sand core internal, arbor hole is open circles post holes, the both ends in arbor hole
External with sand core is connected to, and forms entrance and exit；
After printing, the residual loose sand in arbor hole has been cleared up；
The potting resin sand into arbor hole, after filling, by arbor from the entrance in arbor hole to core before resin sand hardening
Push-in in bone hole, until arbor fully enters inside the resin sand in arbor hole；
Arbor hole arrival end and outlet end are filled with resin sand respectively, consolidation, polished, to form one with sand core.
2. the method for posting of arbor in increasing material manufacturing core as described in claim 1, it is characterised in that：The entrance is set to
On the face of the sand core parallel with the axis direction in arbor hole, the outlet is set to the sand core vertical with arbor axially bored line direction
On face.
3. the method for posting of arbor in increasing material manufacturing core as described in claim 1, it is characterised in that：The opening bore of entrance
And the opening bore of outlet is more than the diameter in arbor hole, to increase contact of the resin sand filled in entrance and exit with sand core
Face, and arbor is fixed in arbor hole, it avoids falling off.
4. the method for posting of arbor in increasing material manufacturing core as described in claim 1, it is characterised in that：The hole in the arbor hole
Diameter is more than 3 ~ 5mm of diameter of arbor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810252805.3A CN108480566B (en) | 2018-03-26 | 2018-03-26 | Method for embedding core bar in additive manufacturing mold core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810252805.3A CN108480566B (en) | 2018-03-26 | 2018-03-26 | Method for embedding core bar in additive manufacturing mold core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108480566A true CN108480566A (en) | 2018-09-04 |
| CN108480566B CN108480566B (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810252805.3A Active CN108480566B (en) | 2018-03-26 | 2018-03-26 | Method for embedding core bar in additive manufacturing mold core |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110918885A (en) * | 2019-12-24 | 2020-03-27 | 肇庆学院 | Manufacturing method for reinforced 3D printer sand mold |
| CN111230049A (en) * | 2020-02-28 | 2020-06-05 | 江苏徐工工程机械研究院有限公司 | 3D printing-based integral hydraulic multi-way valve sand core casting process |
| CN111992666A (en) * | 2020-08-24 | 2020-11-27 | 安徽合力股份有限公司合肥铸锻厂 | Sand mold of engine cylinder cover casting mold and preparation method thereof |
| CN113976832A (en) * | 2021-10-26 | 2022-01-28 | 共享装备股份有限公司 | Reinforcing method for 3D printing sand core |
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| CN201625760U (en) * | 2009-09-01 | 2010-11-10 | 广西玉柴机器股份有限公司 | Self-hardening sand lock cylinder of cold-box core |
| CN103752767A (en) * | 2013-12-18 | 2014-04-30 | 桐乡合德机械有限公司 | Shaping structure and manufacturing process of casting elongated hole sand core |
| CN104707940A (en) * | 2015-03-17 | 2015-06-17 | 大连理工大学 | Method for reinforcing strength of sand core used for car hot stamping mould and obtained by 3D (three-dimensional) printing |
| CN105689651A (en) * | 2016-02-02 | 2016-06-22 | 宁夏共享模具有限公司 | 3D printing sand core for core assembly |
-
2018
- 2018-03-26 CN CN201810252805.3A patent/CN108480566B/en active Active
Patent Citations (4)
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|---|---|---|---|---|
| CN201625760U (en) * | 2009-09-01 | 2010-11-10 | 广西玉柴机器股份有限公司 | Self-hardening sand lock cylinder of cold-box core |
| CN103752767A (en) * | 2013-12-18 | 2014-04-30 | 桐乡合德机械有限公司 | Shaping structure and manufacturing process of casting elongated hole sand core |
| CN104707940A (en) * | 2015-03-17 | 2015-06-17 | 大连理工大学 | Method for reinforcing strength of sand core used for car hot stamping mould and obtained by 3D (three-dimensional) printing |
| CN105689651A (en) * | 2016-02-02 | 2016-06-22 | 宁夏共享模具有限公司 | 3D printing sand core for core assembly |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110918885A (en) * | 2019-12-24 | 2020-03-27 | 肇庆学院 | Manufacturing method for reinforced 3D printer sand mold |
| CN111230049A (en) * | 2020-02-28 | 2020-06-05 | 江苏徐工工程机械研究院有限公司 | 3D printing-based integral hydraulic multi-way valve sand core casting process |
| WO2021143361A1 (en) * | 2020-02-28 | 2021-07-22 | 江苏徐工工程机械研究院有限公司 | Integral hydraulic multi-way valve sand core casting process based on 3d printing and integral hydraulic multi-way valve sand core |
| CN111230049B (en) * | 2020-02-28 | 2021-10-12 | 江苏徐工工程机械研究院有限公司 | 3D printing-based integral hydraulic multi-way valve sand core casting process |
| US20220088672A1 (en) * | 2020-02-28 | 2022-03-24 | Jiangsu Xcmg Construction Machinery Research Institute Ltd. | Process of strengthening 3d printed sand core for the casting of integral multi-way valve and sand core of integral hydraulic multi-way valve |
| CN111992666A (en) * | 2020-08-24 | 2020-11-27 | 安徽合力股份有限公司合肥铸锻厂 | Sand mold of engine cylinder cover casting mold and preparation method thereof |
| CN113976832A (en) * | 2021-10-26 | 2022-01-28 | 共享装备股份有限公司 | Reinforcing method for 3D printing sand core |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108480566B (en) | 2020-04-28 |
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