CN209189745U - A kind of combination type core - Google Patents
A kind of combination type core Download PDFInfo
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- CN209189745U CN209189745U CN201821975991.5U CN201821975991U CN209189745U CN 209189745 U CN209189745 U CN 209189745U CN 201821975991 U CN201821975991 U CN 201821975991U CN 209189745 U CN209189745 U CN 209189745U
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- cope
- combination type
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- stem
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Abstract
The utility model relates to a kind of combination type cores, including loose tool, lower core print, cope print and stem, loose tool is provided with locating slot, lower core print lower end is provided with boss, lower core print upper end is provided with type groove A, cope print is provided with type groove B, boss is adhered within locating slot by viscous cream, cope print and lower core print bond together and type groove A and type groove B are made to surround the stepped hole for forming both ends perforation, stem is clogged at wherein one end port of the stepped hole, and cope print, lower core print and stem surround and form cylindrical mold cavity open at one end.Using the technical solution of the utility model, various core print combinations are mounted on one piece of loose tool, by the way that corresponding locating slot and positioning table are arranged on loose tool, facilitate the installation of combination core print, by controlling the accuracy of manufacture of locating slot and positioning table, the rigging error of combination type core is reduced, by the way that the pressing plate for compressing core print is arranged, rigging error is further reduced, is laid a good foundation to improve the compact dimensions precision and quality of casting.
Description
Technical field
The utility model relates to Investment casting technology field more particularly to a kind of combination type cores.
Background technique
In recent years, mechanized equipment manufacturing industry is fast-developing, and people have manufactured and designed various mechanized equipments, with convenient
The various activities such as production, the life of people, mechanized equipment are made of the components of each different shapes and sizes and function,
These a variety of different component of machine are generally required to be formed using different machining manufactures, and casting and forming is current machinery
The important process method for manufacturing processing, is generally made mold, then the cast article raw material into mold using metal material, with skill
The development of art, requirement of the people to the accuracy of manufacture of component of machine increasingly improve, and the plastic many shapes of casting technique are very
The processing of complicated component of machine, this is just to the accuracy of manufacture and shape contour of components corresponding on the casting mould used
More stringent requirements are proposed for precision；Such as a kind of casting needs type core to form complicated inner cavity, in casting technique, if making
With individual type core then can not the scheduled cast(ing) surface of casting and forming, and if practical combination type core, i.e., by multiple type cores combination exist
When being used together, since the fit clearance between various core is larger, then cause cast product accumulated error larger, qualification rate compared with
It is low, it must not work without associated restoration the casting of casting and forming, affect the normal production order, increase production cost.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of combination type core.
The utility model provides a kind of combination type core, including loose tool, lower core print, cope print and stem, the loose tool are set
It is equipped with locating slot, the lower core print lower end is provided with boss, and the lower core print upper end is provided with type groove A, the cope print setting
There is type groove B, the boss is adhered within the locating slot by viscous cream, and the cope print bonds together with the lower core print
And so that the type groove A and type groove B is surrounded the stepped hole for forming both ends perforation, the stem filling in the stepped hole wherein one
It holds at port, the cope print, lower core print and stem surround and form cylindrical mold cavity open at one end.
Fit clearance between the locating slot and the boss is less than 0.3mm.
The type chamber central axis is parallel with the loose tool.
The type groove A and type groove B is semi-cylindrical stepped hole.
The combination type core further includes L shape pressing plate, and pressing plate has support arm and pressure arm, and the loose tool is additionally provided with fixed
Position platform, support arm is adhered on positioning table, and is pressed against pressure arm on the upper surface of the cope print.
It is the support arm end surface shape, size and the positioning table end surface shape, in the same size.
Fit clearance is less than 0.3mm between the support arm and the positioning table.
The upper surface of the cope print is semi-cylindrical surfaces, area at the pressure arm and the cope print mating connection
Not less than the half of the cope print upper surface area.
Fit clearance between the pressure arm and the cope print outer surface is less than 0.3mm.
Fit clearance between the stem and the stepped hole is less than 0.3mm.
The utility model has the beneficial effects that: various core print combinations are mounted on using the technical solution of the utility model
It on one piece of unified loose tool, positions the assembly of various core prints with unified benchmark, is being filled to reduce combination type core
With the rigging error generated in the process, by the way that corresponding locating slot and positioning table are arranged on loose tool, by control locating slot and
Fit clearance between positioning table and corresponding core print further reduced the assembly that combination type core generates in assembling process and miss
Difference provides pressing force on corresponding core print by pressure arm in addition, being also bonded with pressing plate on loose tool, reduce cope print with
Mismatch error between lower core print has established solid base to improve cast casting product quality after molding and dimensional accuracy
Plinth, also, combination type core provided by the utility model is easy for installation, saves the auxiliary process time in foundry technology process,
Casting one-pass molding qualification rate greatly improves, and reduces production cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the main view of the utility model loose tool；
Fig. 3 is the top view of the utility model loose tool；
Fig. 4 is the main view of core print under the utility model；
Fig. 5 is the top view of core print under the utility model；
Fig. 6 is the main view of the utility model cope print；
Fig. 7 is the top view of the utility model cope print；
Fig. 8 is the main view of the utility model stem；
Fig. 9 is the top view of the utility model stem；
Figure 10 is the main view of the utility model pressing plate；
Figure 11 is the top view of the utility model pressing plate.
In figure: core print under 1-, 2- cope print, 3- stem, 4- loose tool, 5- pressing plate, 101- boss, 102- type groove A, 201- type
Slot B, 401- locating slot, 402- positioning table, 501- support arm, 502- pressure arm.
Specific embodiment
The technical solution of the utility model is described further below in conjunction with attached drawing, but required protection scope is not
It is confined to described；
The utility model provides a kind of combination type core, as shown in Figure 1 to 11, including loose tool 4, lower core print 1, cope print
2 and stem 3, loose tool 4 be provided with locating slot 401, lower 1 lower end of core print is provided with boss 101, and lower 1 upper end of core print is provided with type groove
A102, cope print 2 are provided with type groove B201, and boss 101 is adhered within locating slot 401 by viscous cream, cope print 2 and lower core print
1 bonds together and type groove A102 and type groove B201 is made to surround the stepped hole for forming both ends perforation, and stem 3 is clogged in the step
At wherein one end port in hole, cope print 2, lower core print 1 and stem 3 surround and form cylindrical mold cavity open at one end.
Using the technical solution of the utility model, various core print combinations are mounted on one piece of unified loose tool, make various cores
The assembly of head is positioned with unified benchmark, to reduce the rigging error that combination type core generates in assembling process, is led to
It crosses and corresponding locating slot and positioning table is set on loose tool, pass through matching between control locating slot and positioning table and corresponding core print
Gap is closed, further reduced the rigging error that combination type core generates in assembling process, in addition, being also bonded with pressure on loose tool
Plate provides pressing force on corresponding core print by pressure arm, the mismatch error between cope print and lower core print is reduced, to mention
High cast casting product quality after molding and dimensional accuracy have established solid foundation, also, provided by the utility model group
Mould assembly core is easy for installation, saves the auxiliary process time in foundry technology process, and casting one-pass molding qualification rate greatly improves,
Reduce production cost.
Further, the fit clearance between locating slot 401 and boss 101 is less than 0.3mm.Preferred type chamber central axis with
Loose tool 4 is parallel.Type groove A102 and type groove B201 is semi-cylindrical stepped hole.Using the technical solution of the utility model, positioning
401 convenient processing and manufacture of slot, convenient for improving the machining accuracy of locating slot 401, by the size essence for controlling 401 surface of locating slot
Degree facilitates the installation of combination type core, and lays a good foundation to improve the dimensional accuracy of casting finished products.
Further, combination type core further includes L shape pressing plate 5, and pressing plate 5 has support arm 501 and pressure arm 502, loose tool 4
It is additionally provided with positioning table 402, support arm 501 is adhered on positioning table 402, and pressure arm 502 is made to be pressed against the upper of cope print 2
On surface.It is preferred that 402 end surface shape of 501 end surface shape of support arm, size and positioning table, in the same size.Support arm 501 and fixed
Fit clearance is less than 0.3mm between the platform 402 of position.The upper surface of cope print 2 is semi-cylindrical surfaces, pressure arm 502 and cope print 2
Area is not less than the half of 2 upper surface area of cope print at mating connection.Between 2 outer surface of pressure arm 502 and cope print
Fit clearance be less than 0.3mm.Using the technical solution of the utility model, compression is provided on corresponding core print by pressure arm
Power reduces the mismatch error between cope print and lower core print, to improve cast casting product quality after molding and size essence
Degree has established solid foundation.
Further, the fit clearance between stem 3 and stepped hole is less than 0.3mm.Stem 3 is preferably the circle with step
Cylinder body shape facilitates processing, and the workpiece for processing this kind of cylindrical shape on numerically-controlled machine tool often has very high processing
Precision, to lay the foundation to improve the castability of casting.
Claims (10)
1. a kind of combination type core, it is characterised in that: including loose tool (4), lower core print (1), cope print (2) and stem (3), the tire
Mould (4) is provided with locating slot (401), and lower core print (1) lower end is provided with boss (101), lower core print (1) the upper end setting
Have type groove A (102), the cope print (2) is provided with type groove B (201), and it is described fixed that the boss (101) is adhered to by viscous cream
Within position slot (401), the cope print (2) and the lower core print (1) bond together and make the type groove A (102) and type
Slot B (201) surrounds the stepped hole for forming both ends perforation, and stem (3) filling is at wherein one end port of the stepped hole, institute
Cope print (2), lower core print (1) and stem (3) are stated to surround and form cylindrical mold cavity open at one end.
2. a kind of combination type core as described in claim 1, it is characterised in that: the locating slot (401) and the boss (101)
Between fit clearance be less than 0.3mm.
3. a kind of combination type core as described in claim 1, it is characterised in that: the type chamber central axis and the loose tool (4)
In parallel.
4. a kind of combination type core as described in claim 1, it is characterised in that: the type groove A (102) and type groove B (201) are
Semi-cylindrical stepped hole.
5. a kind of combination type core as described in claim 1, it is characterised in that: the combination type core further includes L shape pressing plate
(5), pressing plate (5) has support arm (501) and pressure arm (502), and the loose tool (4) is additionally provided with positioning table (402), support arm
(501) it is adhered on positioning table (402), and is pressed against pressure arm (502) on the upper surface of the cope print (2).
6. a kind of combination type core as claimed in claim 5, it is characterised in that: support arm (501) end surface shape, size with
It is positioning table (402) end surface shape, in the same size.
7. a kind of combination type core as claimed in claim 5, it is characterised in that: the support arm (501) and the positioning table
(402) fit clearance is less than 0.3mm between.
8. a kind of combination type core as claimed in claim 5, it is characterised in that: the upper surface of the cope print (2) is semicolumn
Area is not less than the cope print (2) upper surface at shape surface, the pressure arm (502) and the cope print (2) mating connection
The half of area.
9. a kind of combination type core as claimed in claim 5, it is characterised in that: the pressure arm (502) and the cope print (2)
Fit clearance between outer surface is less than 0.3mm.
10. a kind of combination type core as claimed in claim 5, it is characterised in that: between the stem (3) and the stepped hole
Fit clearance is less than 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821975991.5U CN209189745U (en) | 2018-11-28 | 2018-11-28 | A kind of combination type core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821975991.5U CN209189745U (en) | 2018-11-28 | 2018-11-28 | A kind of combination type core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209189745U true CN209189745U (en) | 2019-08-02 |
Family
ID=67426463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821975991.5U Active CN209189745U (en) | 2018-11-28 | 2018-11-28 | A kind of combination type core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209189745U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112676538A (en) * | 2020-11-17 | 2021-04-20 | 中国航发西安动力控制科技有限公司 | Process method for laminating core assembly |
| CN113634718A (en) * | 2021-09-02 | 2021-11-12 | 邢台轧辊沃川装备制造有限公司 | Coke oven door top pressing cylinder casting process |
-
2018
- 2018-11-28 CN CN201821975991.5U patent/CN209189745U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112676538A (en) * | 2020-11-17 | 2021-04-20 | 中国航发西安动力控制科技有限公司 | Process method for laminating core assembly |
| CN113634718A (en) * | 2021-09-02 | 2021-11-12 | 邢台轧辊沃川装备制造有限公司 | Coke oven door top pressing cylinder casting process |
| CN113634718B (en) * | 2021-09-02 | 2023-03-10 | 邢台轧辊沃川装备制造有限公司 | Coke oven door top pressing cylinder casting process |
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