CN110026531A - A kind of the lock pin header structure and its core manufacturing craft of combustion row shell casting coremaking - Google Patents
A kind of the lock pin header structure and its core manufacturing craft of combustion row shell casting coremaking Download PDFInfo
- Publication number
- CN110026531A CN110026531A CN201910294342.1A CN201910294342A CN110026531A CN 110026531 A CN110026531 A CN 110026531A CN 201910294342 A CN201910294342 A CN 201910294342A CN 110026531 A CN110026531 A CN 110026531A
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- China
- Prior art keywords
- loam core
- core
- lock pin
- pin header
- header structure
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Classifications
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- 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
- B22C9/103—Multipart 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
- B22C9/108—Installation of cores
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The present invention relates to the lock pin header structures and its core manufacturing craft of a kind of combustion row shell casting coremaking.The lock pin header structure that the present invention fires row's shell casting coremaking includes parent loam core, plug loam core, positioning loam core, raggle block loam core；The lock pin header structure of row's shell casting coremaking is fired using the present invention to cast the process of combustion row's shell casting, in production process due to taking lock pin header structure and its core manufacturing craft, 50 product slag inclusions of continuous production scrap 1, it can be effectively controlled rejection rate within 2%, than the production cost that 8% scrappage of traditional handicraft reduces 6%；And traditional loam core assembly needs 50 minutes, lock pin header structure technique assembling of the present invention only needs 5 minutes, can effectively improve 10% productivity effect.The alternative conventional flat parting structure of lock pin header structure of the invention and its core manufacturing craft.
Description
Technical field
The present invention relates to casting fields, and in particular to a kind of the lock pin header structure and core manufacturing craft of combustion row shell casting coremaking.
Background technique
Loam core structure used in traditional combustion row shell resin sand core manufacturing craft is two loam cores of level, core manufacturing craft be from
By-level parting consolidation, strikes off, solidifies, molding, and with glue bonding, assembling loam core, repairing parting fash is coated.
When conventional flat core manufacturing craft 50 products of continuous production, since two loam cores of level are easy to produce in an assembling process
The problems such as raw knockout, misalignment and loam core deform is easy for causing generation knockout, misalignment, size when producing casting unstable
Faulty goods and scrap 4, this makes the rejection rate of casting hover between 8% always, virtually causes on production cost
Increase；And traditional loam core assembly needs 50 minutes, and it is time-consuming and laborious.
Summary of the invention
In order to solve the problems, such as knockout, misalignment and loam core deformation that traditional loam core generates in an assembling process and thus generate
Rejection rate, and provide it is a kind of combustion row the coremaking of shell casting lock pin header structure and its core manufacturing craft.
A kind of lock pin header structure of combustion row shell casting coremaking, including parent loam core (2), plug loam core (1), positioning loam core
(3) and raggle block loam core (4).
The parent loam core (2) is made of bend pipe (21) and pedestal (22), and pedestal (22) both ends support connection respectively
Hollow cavity (211) are equipped with inside the both ends of the bend pipe (21), described bend pipe (21) one end, the other end is solid-section, described
There is bend pipe (21) one end of hollow cavity (211) to be equipped with c-type die joint (2111)；The plug loam core (1) and the hollow cavity
(211) cooperate, the space shape forming cavity after cooperation between the plug loam core (1) and hollow cavity (211), the parent loam core
(2) it is equipped with the runner for being connected to the type chamber；
The raggle block loam core (4) cooperates with the c-type die joint (2111) so that the hollow cavity (211) forms one end and opens
The structure of mouth, the positioning loam core (3) and the opening cooperate, and the plug loam core (1) is limited in the hollow cavity (211)
It is interior.
Further, c-type die joint (2111) inner wall is equipped with guide rail groove (21111), and the plug loam core (1) is outside
The protrusion (11) to match with the guide rail groove (21111) is provided on wall.
Further, after the positioning loam core (3) and the opening cooperate, outer surface is flushed with the open end.
Further, the raggle block loam core (4) includes the master of covering surface (42) and the c-type die joint (2111) cooperation
Body (41), covering surface (42) semicircular in shape, and be arranged in the outside of the main body (41), the positioning loam core (3) is
Semicircle, the positioning loam core (3) and covering surface (42) cooperate the closure of openings.
Further, the assembling process of the lock pin header structure is specifically: plug loam core (1) along the C of parent loam core (2)
Type die joint (2111) is injected towards hollow cavity (211), and positioning loam core (3), which is filled into parent loam core (2), makes sizing, finally
Raggle block loam core (4) are covered to form an entirety.
The present invention also provides a kind of combustions to arrange shell casting core manufacturing craft, comprising the following steps:
1. manufacturing outer molding box: checking that mold, molding box, dead head, positioning pin, exhaust stick are intact, by resin sand technique requirement
It produces drag box and carries out flow coat, be placed on mould assembling region after the assay was approved；
2. coremaking: checking that exhaust rope, joint hinge, arbor, core box are intact, produce plug mud respectively by the requirement of resin sand technique
Core (1), parent loam core (2), positioning loam core (3), raggle block loam core (4), clear up each loam core fash and residual sand, and painting is coated, and is applied
Igniting baking checks brushing quality after complete, not have and leak the case where brushing or applying trace, piling, after loam core satisfactory quality,
Flow into core setting；
3. lock pin header structure assembles: drag box in cleaning, with drive a vehicle parent loam core (2) level sling be put into it is horizontal positioned
Drag box, check loam core surrounding gap confirmation meets the requirements；Plug loam core (1) along the c-type die joint of parent loam core (2)
(2111) it is injected towards hollow cavity (211), confirmation is intact, and positioning loam core (3) is filled into parent loam core (2)；It is clear with compressed air
Reason, confirms whether the loam core of assembling has the case where knockout or loam core damage, if having will be repaired in time by technique requirement；Finally cover
The lock pin header structure of raggle block loam core (4), combustion row's shell casting coremaking is completed；
4. mould assembling: top case is covered on drag box, positioning pin, sealing strip, glue are put, tight tooling is struck in steady mould assembling,
Put sprue cup；
5. melting, casting, cleaning of unpacking.
Advantageous effects: the lock pin header structure of row's shell casting coremaking is fired using the present invention to cast the work of combustion row's shell casting
Process, in production process due to taking lock pin header structure and its core manufacturing craft, 50 product slag inclusions of continuous production scrap 1
Part can be effectively controlled rejection rate within 2%, than the production cost that 8% scrappage of traditional handicraft reduces 6%；And it passes
Loam core of uniting assembly needs 50 minutes, and lock pin header structure technique assembling of the present invention only needs 5 minutes, can effectively improve 10% production effect
Benefit.The alternative conventional flat parting structure of lock pin header structure of the invention and its core manufacturing craft.
Detailed description of the invention
Fig. 1 is the stereochemical structure view of parent loam core (2) in the lock pin header structure of the combustion row's shell casting coremaking of embodiment 1.
Fig. 2 (a) is the stereochemical structure view of plug loam core (1) in the lock pin header structure of the combustion row's shell casting coremaking of embodiment 1；
Fig. 2 (b) is the stereochemical structure view of the plug loam core (1) of another angle.
Fig. 3 is the stereochemical structure view of positioning loam core (3) in the lock pin header structure of the combustion row's shell casting coremaking of embodiment 1.
Fig. 4 (a) is the stereochemical structure view of raggle block loam core (4) in the lock pin header structure of the combustion row's shell casting coremaking of embodiment 1；
Fig. 4 (b) is the stereochemical structure view of the raggle block loam core (4) of another angle.
Fig. 5 is that each loam core of the lock pin header structure of the combustion row's shell casting coremaking of embodiment 1 does not insert positioning in an assembling process
Loam core (3) so as to it is observed that plug loam core (1) assembled view.
Specific embodiment
The present invention is further described below in conjunction with drawings and the specific embodiments, but is not limited the scope of the invention.
Embodiment 1
Referring to shown in Fig. 1~4, the lock pin header structure of shell casting coremaking is arranged in a kind of combustion of the invention comprising parent loam core 2
(as shown in Figure 1), plug loam core 1 (as shown in Figure 2), positioning loam core 3 (as shown in Figure 3) and raggle block loam core 4 are (such as Fig. 4 institute
Show).
The parent loam core 2 includes bend pipe 21 and pedestal 22, and the pedestal both ends support respectively is connected to the bend pipe
Both ends, bend pipe one end inside are equipped with hollow cavity 211, and the other end is solid-section, and the bending pipe tool has one end of hollow cavity to set
There is c-type die joint 2111；The plug loam core 1 cooperates with the hollow cavity 211, the plug loam core 1 and hollow cavity after cooperation
Space shape forming cavity between 211, the parent loam core are equipped with the runner 23 for being connected to the type chamber；The runner 23 is in bend pipe
It is arranged with 3 within one week etc..2111 inner wall of c-type die joint is equipped with guide rail groove 21111, sets on 1 outer wall of plug loam core
It is equipped with the protrusion 11 to match with the guide rail groove.
The raggle block loam core 4 cooperates with the c-type die joint 2111 so that the hollow cavity 211 forms knot open at one end
Structure, the positioning loam core 3 cooperate with the opening, the plug loam core 1 are limited in the hollow cavity 211, such as Fig. 5 institute
Show, with after opening cooperation, outer surface flushes the positioning loam core 3 with the open end.
The positioning loam core 3 is semicircle back-up sand loam core, the sizing for the plug loam core 1.
The raggle block loam core 4 includes the main body 41 of covering surface 42 and c-type die joint cooperation, and the covering surface is in semicircle
Shape, and the outside of the main body is set, the positioning loam core 3 and covering surface 42 cooperate the closure of openings.
The assembling process of the lock pin header structure are as follows: plug loam core 1 along parent loam core 2 c-type die joint towards hollow
Chamber 212 injects, and positioning loam core 3 is filled into parent loam core 2, finally covers raggle block loam core 4, the lock pin head knot of combustion row's shell casting coremaking
Structure is completed.Fig. 5 be do not inserted in assembling process positioning loam core 3 so as to it is observed that plug loam core 1 assembled view.
Embodiment 2
Combustion row's shell cast product core manufacturing craft:
1. manufacturing outer molding box: checking that mold, molding box, dead head, positioning pin, exhaust stick are intact, by resin sand technique requirement
It produces drag box and carries out flow coat, be placed on mould assembling region after the assay was approved；
2. coremaking: checking that exhaust rope, joint hinge, arbor, core box are intact, produce plug mud respectively by the requirement of resin sand technique
Core 1, parent loam core 2, positioning loam core 3, raggle block loam core 4, clear up each loam core fash and residual sand, apply special coating, point after being painted with
Fire baking checks brushing quality, not have and leak the case where brushing or applying trace, piling, after loam core satisfactory quality, under inflow
Core process；
3. lock pin header structure assembles: drag box in cleaning, with drive a vehicle 2 level of parent loam core sling be put into it is horizontal positioned
Drag box checks that the confirmation of loam core surrounding gap meets the requirements；Plug loam core 1 along 211 direction of c-type die joint of parent loam core 2
Hollow cavity 212 injects, and confirmation is intact, and positioning loam core 3 is filled into parent loam core 2；It is cleared up with compressed air, confirms the loam core of assembling
Whether knockout or loam core damage the case where is had, if having will be repaired in time by technique requirement；Finally cover raggle block loam core 4, combustion row's shell
The lock pin header structure of casting coremaking is completed；
4. mould assembling: top case is covered on drag box, positioning pin, sealing strip, glue are put, tight tooling is struck in steady mould assembling,
Put sprue cup；
5. melting, casting, cleaning of unpacking, combustion row's shell cast product manufacture is completed.
Claims (5)
1. it is a kind of combustion row the coremaking of shell casting lock pin header structure, which is characterized in that including parent loam core (2), plug loam core (1),
Position loam core (3) and raggle block loam core (4)；
The parent loam core (2) includes bend pipe (21) and pedestal (22), pedestal (22) both ends support respectively be connected to it is described
The both ends of bend pipe (21), bend pipe (21) one end inside are equipped with hollow cavity (211), and the other end is solid-section, the bend pipe
(21) one end with hollow cavity (211) is equipped with c-type die joint (2111)；The plug loam core (1) and the hollow cavity (211)
Cooperate, the space shape forming cavity after cooperation between the plug loam core (1) and hollow cavity (211), is set on the parent loam core (2)
There is the runner (23) for being connected to the type chamber；
The raggle block loam core (4) and the c-type die joint (2111) cooperate so that the hollow cavity (211) formation is open at one end
Structure, the positioning loam core (3) and the opening cooperate, and the plug loam core (1) is limited in the hollow cavity (211).
2. a kind of lock pin header structure of combustion row shell casting coremaking as described in claim 1, which is characterized in that the c-type parting
Face (2111) inner wall is equipped with guide rail groove (21111), is provided with and the guide rail groove on plug loam core (1) outer wall
(21111) protrusion (11) to match.
3. a kind of lock pin header structure of combustion row shell casting coremaking as described in claim 1, which is characterized in that the positioning loam core
(3) and after opening cooperation, outer surface is flushed with the open end.
4. a kind of lock pin header structure of combustion row shell casting coremaking as described in claim 1, which is characterized in that the raggle block mud
Core (4) includes the main body (41) of covering surface (42) and the c-type die joint (2111) cooperation, and the covering surface (42) is in semicircle
Shape, and be arranged in the outside of the main body (41), the positioning loam core (3) is semicircle, the positioning loam core (3) and covering
Face (42) cooperates the closure of openings.
5. a kind of core manufacturing craft for being used to cast combustion row's shell casting such as the described in any item lock pin header structures of Claims 1 to 4, packet
Include following steps:
1. manufacturing outer molding box: checking that mold, molding box, dead head, positioning pin, exhaust stick are intact, produced by resin sand technique requirement
Upper drag box simultaneously carries out flow coat, is placed on mould assembling region after the assay was approved；
2. coremaking: checking that exhaust rope, joint hinge, arbor, core box are intact, produce plug loam core respectively by the requirement of resin sand technique
(1), parent loam core (2), positioning loam core (3), raggle block loam core (4), clear up each loam core fash and residual sand, painting is coated；
3. lock pin header structure assembles: parent loam core (2) level is put into drag box by drag box in cleaning；Plug loam core (1)
C-type die joint (2111) along parent loam core (2) is injected towards hollow cavity (211), and confirmation is intact, and positioning loam core (3) is filled into
Parent loam core (2) finally covers raggle block loam core (4), and the lock pin header structure of combustion row's shell casting coremaking is completed；
4. mould assembling: top case being covered on drag box, positioning pin, sealing strip, glue are put, steady mould assembling strikes tight tooling, puts and pour
Cup；
5. melting, casting, cleaning of unpacking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910294342.1A CN110026531B (en) | 2019-04-12 | 2019-04-12 | Core inserting head structure for core making of combustion shell casting and core making process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910294342.1A CN110026531B (en) | 2019-04-12 | 2019-04-12 | Core inserting head structure for core making of combustion shell casting and core making process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110026531A true CN110026531A (en) | 2019-07-19 |
| CN110026531B CN110026531B (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910294342.1A Active CN110026531B (en) | 2019-04-12 | 2019-04-12 | Core inserting head structure for core making of combustion shell casting and core making process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110026531B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111136224A (en) * | 2020-01-19 | 2020-05-12 | 四川省犍为恒益铝业有限公司 | Method for fixing sand core on metal mold |
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| CN103381480A (en) * | 2013-07-04 | 2013-11-06 | 江苏标新久保田工业有限公司 | Processing method for rolling casting device |
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| CN205551406U (en) * | 2016-04-26 | 2016-09-07 | 宜昌奥力铸造有限责任公司 | Heavy machineshop car rear -axle housing casting combination loam core |
| CN106001453A (en) * | 2016-07-13 | 2016-10-12 | 东港市永盛铸造有限公司 | Method for casting large-scale box type castings through precoated sand shell mold |
| CN205914710U (en) * | 2016-08-08 | 2017-02-01 | 土平机械（江苏）有限公司 | Marine turbocharger fires row shell mould |
| CN207642243U (en) * | 2017-12-26 | 2018-07-24 | 乳源瑶族自治县鑫中胜汽车零部件有限公司 | A kind of left and right mistake proofing pouring cast part loam core |
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2019
- 2019-04-12 CN CN201910294342.1A patent/CN110026531B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103381480A (en) * | 2013-07-04 | 2013-11-06 | 江苏标新久保田工业有限公司 | Processing method for rolling casting device |
| CN205289659U (en) * | 2015-12-17 | 2016-06-08 | 南车戚墅堰机车车辆工艺研究所有限公司 | Singly pass in and out core assembly of middle shell of water ring eccentric |
| CN205551406U (en) * | 2016-04-26 | 2016-09-07 | 宜昌奥力铸造有限责任公司 | Heavy machineshop car rear -axle housing casting combination loam core |
| CN106001453A (en) * | 2016-07-13 | 2016-10-12 | 东港市永盛铸造有限公司 | Method for casting large-scale box type castings through precoated sand shell mold |
| CN205914710U (en) * | 2016-08-08 | 2017-02-01 | 土平机械（江苏）有限公司 | Marine turbocharger fires row shell mould |
| CN207642243U (en) * | 2017-12-26 | 2018-07-24 | 乳源瑶族自治县鑫中胜汽车零部件有限公司 | A kind of left and right mistake proofing pouring cast part loam core |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111136224A (en) * | 2020-01-19 | 2020-05-12 | 四川省犍为恒益铝业有限公司 | Method for fixing sand core on metal mold |
| CN111136224B (en) * | 2020-01-19 | 2021-11-19 | 四川省犍为恒益铝业有限公司 | Method for fixing sand core on metal mold |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110026531B (en) | 2020-11-10 |
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