CN110293209A - A kind of machine tool parts resin sand nowel sand core technique for fixing - Google Patents
A kind of machine tool parts resin sand nowel sand core technique for fixing Download PDFInfo
- Publication number
- CN110293209A CN110293209A CN201910618489.1A CN201910618489A CN110293209A CN 110293209 A CN110293209 A CN 110293209A CN 201910618489 A CN201910618489 A CN 201910618489A CN 110293209 A CN110293209 A CN 110293209A
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- CN
- China
- Prior art keywords
- sand core
- sand
- cope
- core
- drag box
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The present invention relates to a kind of machine tool parts resin sand nowel sand core technique for fixing, belong to sand core technique for fixing field, include the following steps, cope is sling by hanging device, and viscose glue is smeared in drag box upper side, again by the locating rod alignment guide hole on cope, positioning column is inserted into pilot hole, cope and drag box are adhesively fixed by viscose glue；By inserted link out of location hole insertion core bore；Sand core slurry is injected in the lower impressions of drag box by sprue channel open and feed channel, and sand core slurry is made to stand solidification in drag box and cope；After the completion of sand core slurry curing, inserted link is extracted out from core bore and positioning hole, and cope is sling by hanging device, and separate cope with drag box；Inserted link is taken out out of core bore, then sand core workpiece after molding is taken out into the lower core of completion out of lower impressions, obtains sand core workpiece, the present invention has following the utility model has the advantages that the base seam of sand core workpiece can be effectively eliminated, and improves the total quality of sand core workpiece.
Description
Technical field
The invention belongs to sand core technique for fixing fields, are related to a kind of machine tool parts resin sand nowel sand core technique for fixing
Background technique
Sand core is made of casting model powder, moulding sand binder etc., for manufacturing the material of type core generally by casting in Foundry Production
The Modeling Materials such as sand, moulding sand binder and additional thing are made to mix according to a certain percentage.Type core is largely high in casting mold
The liquid metal of temperature is surrounded, and supports the size of position portion typically small, therefore core sand removes the property that should have general molding sand
Can be outer, also require have higher intensity, gas permeability, deformability and collapsibility.Core sand is divided into clay core by binder difference used
Sand, waterglass core sand, wick sand, conjunction rouge core sand, resin core sand etc..The type core of simple shape is generally available clay core sand and is made；
Complex-shaped, section relatively it is thin it is relatively thin, require the type core that dry strength is high, collapsibility is good, then using wick sand, close rouge core sand or resin
Core sand.
Sand core in the prior art easily causes occur base seam at workpiece core bore, influences sand core during pouring molding
The quality of workpiece, sand core workpiece quality existing defects, causes sand core workpiece's qualification rate low.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of machine tool parts resin sand nowel sand core technique for fixing, to solve
Sand core mentioned above in the background art easily causes occur base seam at workpiece core bore, influences sand core during pouring molding
The quality of workpiece, sand core workpiece quality existing defects, the problem for causing sand core workpiece's qualification rate low.
In order to achieve the above objectives, the invention provides the following technical scheme: a kind of machine tool parts resin sand nowel sand core regular worker
Skill includes the following steps,
Step 1: processing cope first processes upper impression in cope one side by milling machine, and at the top of upper impression
Feed channel and sprue channel open are processed by milling machine；
Step 2: positioning column is processed in any three edges and corners of cope；
Step 3: processing drag box processes lower impressions in drag box one side by milling machine, and processes core in lower impressions
Hole, while location hole is processed in drag box side, after processing is completed, pilot hole is processed in any three edges and corners of drag box；
Step 4: being sling cope by hanging device, and smears viscose glue in drag box upper side, then will be on cope
Locating rod alignment guide hole, positioning column is inserted into pilot hole, cope and drag box are adhesively fixed by viscose glue；
Step 5: by inserted link out of location hole insertion core bore；
Step 6: sand core slurry is injected in the lower impressions of drag box by sprue channel open and feed channel, and starches sand core
Material stands solidification in drag box and cope；
Step 7: after the completion of sand core slurry curing, inserted link is extracted out from core bore and positioning hole, and cope is led to
It crosses hanging device to sling, and separates cope with drag box；
Step 8: inserted link is taken out out of core bore, then sand core workpiece after molding is taken out the lower core of completion out of lower impressions,
Obtain sand core workpiece.
The milling machine uses the horizontal milling machine of model XQ6225, rough machined machined parameters are as follows: ae:100mm, ap:
4-5mm, af:0.05mm/z, v:240m/min finish parameter are as follows: ae:100mm, ap:0.2mm, af:0.03mm/z,
V:280m/min.
The viscose glue is one of high-temperature-resistant adhesive.
The central axes of the positioning column and the central axes of pilot hole are on the straight line of same longitudinal direction, the axis of the location hole
The central axes of line and core bore are on same transverse direction straight line.
The sand core raw material by 90% silica, 3% teruelite, 2% potassium albite, 2% mud powder, 3%
Di-iron trioxide and 750ml resin, be stirred by agitating device.
It is described to stand cured parameter are as follows: curing time are as follows: 47-55 seconds, solidification temperature are as follows: 230 DEG C -400 DEG C.
The beneficial effects of the present invention are: by the sand core workpiece of this technique machine-shaping, sand core work can be effectively eliminated
The base of part stitches, and improves the total quality of sand core workpiece, guarantees the qualification rate of sand core workpiece, while process flow is simple, is convenient for
It promotes the use of.
Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.Target of the invention and other advantages can be realized by following specification and
It obtains.
Detailed description of the invention
To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made below in conjunction with attached drawing excellent
The detailed description of choosing, in which:
Fig. 1 is the structure chart of drag box in the present invention；
Fig. 2 is the structure chart of cope in the present invention；
Fig. 3 is the assembly structure figure of cope and drag box in the present invention.
Appended drawing reference: 1- drag box, 2- pilot hole, 3- lower impressions, 4- core bore, 5- location hole, 6- cope, 7- mo(u)ld top half
Chamber, 8- positioning column, 9- feed channel, 10- sprue channel open, 11- inserted link.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that diagram provided in following embodiment is only to show
Meaning mode illustrates basic conception of the invention, and in the absence of conflict, the feature in following embodiment and embodiment can phase
Mutually combination.
Wherein, the drawings are for illustrative purposes only and are merely schematic diagrams, rather than pictorial diagram, should not be understood as to this
The limitation of invention；Embodiment in order to better illustrate the present invention, the certain components of attached drawing have omission, zoom in or out, not
Represent the size of actual product；It will be understood by those skilled in the art that certain known features and its explanation may be omitted and be in attached drawing
It is understood that.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；It is retouched in of the invention
In stating, it is to be understood that if there is the orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right", "front", "rear"
To be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description of the present invention and simplification of the description, rather than indicate or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore is described in attached drawing
The term of positional relationship only for illustration, is not considered as limiting the invention, for the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
FIG. 1 to FIG. 3 is please referred to, is a kind of machine tool parts resin sand nowel sand core technique for fixing, includes the following steps,
Step 1: processing cope 6 first processes upper impression 7 in 6 one side of cope by milling machine, and in upper impression 7
Top processes feed channel 9 and sprue channel open 10 by milling machine；
Step 2: positioning column 8 is processed in 6 any three edges and corners of cope；
Step 3: processing drag box 1 is processed lower impressions 3 in 1 one side of drag box by milling machine, and is added in lower impressions 3
Work core bore 4, while location hole 5 is processed in 1 side of drag box, after processing is completed, led in 1 any three edges and corners processing of drag box
To hole 2；
Step 4: being sling cope 6 by hanging device, and smears viscose glue in 1 upper side of drag box, then by cope
Positioning column 8 is inserted into pilot hole 2 by the locating rod alignment guide hole 2 on 6, and cope 6 and drag box 1 are adhesively fixed by viscose glue；
Step 5: inserted link 11 is inserted into core bore 4 from location hole 5；
Step 6: sand core slurry is injected in the lower impressions 3 of drag box 1 by sprue channel open 10 and feed channel 9, and makes sand
Core slurry stands solidification in drag box 1 and cope 6；
Step 7: after the completion of sand core slurry curing, inserted link 11 being extracted out out of core bore 4 and location hole 5, and by upper sand
Case 6 is sling by hanging device, and separates cope 6 with drag box 1；
Step 8: inserted link 11 is taken out out of core bore 4, then sand core workpiece after molding is taken out to completion out of lower impressions 3
Lower core, obtains sand core workpiece.
Milling machine uses the horizontal milling machine of model XQ6225, rough machined machined parameters are as follows: ae:100mm, ap:4-
5mm, af:0.05mm/z, v:240m/min finish parameter are as follows: ae:100mm, ap:0.2mm, af:0.03mm/z, v:
280m/min。
Viscose glue is one of high-temperature-resistant adhesive.
The central axes of positioning column 8 and the central axes of pilot hole 2 are on the straight line of same longitudinal direction, the axis of the location hole 5
The central axes of line and core bore 4 are on same transverse direction straight line.
Sand core raw material is by 90% silica, 3% teruelite, 2% potassium albite, 2% mud powder, the three of 3%
Two iron and the resin of 750ml are aoxidized, is stirred by agitating device.
Stand cured parameter are as follows: curing time are as follows: 47-55 seconds, solidification temperature are as follows: 230 DEG C -400 DEG C.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be covered in the present invention
Scope of the claims in.
Claims (6)
1. a kind of machine tool parts resin sand nowel sand core technique for fixing, it is characterised in that: include the following steps,
Step 1: processing cope (6) first processes upper impression (7) in cope (6) one side by milling machine, and in mo(u)ld top half
Pass through milling machine processing feed channel (9) and sprue channel open (10) at the top of chamber (7)；
Step 2: in any three edges and corners processing positioning column (8) of cope (6)；
Step 3: processing drag box (1) processes lower impressions (3) in drag box (1) one side by milling machine, and in lower impressions (3)
Interior processing core bore (4), while location hole (5) are processed in drag box (1) side, after processing is completed, any three in drag box (1)
Edges and corners process pilot hole (2)；
Step 4: being sling cope (6) by hanging device, and smears viscose glue in drag box (1) upper side, then by cope
(6) positioning column (8) are inserted into pilot hole (2) by the locating rod alignment guide hole (2) on, and viscose glue is by cope (6) and drag box
(1) it is adhesively fixed；
Step 5: by inserted link (11) out of location hole (5) insertion core bore (4)；
Step 6: sand core slurry is interior by the lower impressions (3) of sprue channel open (10) and feed channel (9) injection drag box (1), and
Sand core slurry is set to stand solidification in drag box (1) and cope (6)；
Step 7: after the completion of sand core slurry curing, the extraction out of core bore (4) and location hole (5) by inserted link (11), and will be upper
Sandbox (6) is sling by hanging device, and separates cope (6) with drag box (1)；
Step 8: inserted link (11) is taken out out of core bore (4), then sand core workpiece after molding has been taken out out of lower impressions (3)
At lower core, sand core workpiece is obtained.
2. a kind of machine tool parts resin sand nowel sand core technique for fixing according to claim 1, it is characterised in that: the milling machine
Using the horizontal milling machine of model XQ6225, rough machined machined parameters are as follows: ae:100mm, ap:4-5mm, af:0.05mm/
Z, v:240m/min finish parameter are as follows: ae:100mm, ap:0.2mm, af:0.03mm/z, v:280m/min.
3. a kind of machine tool parts resin sand nowel sand core technique for fixing according to claim 1, it is characterised in that: the viscose glue
For one of high-temperature-resistant adhesive.
4. a kind of machine tool parts resin sand nowel sand core technique for fixing according to claim 1, it is characterised in that: the positioning
The central axes of column (8) and the central axes of pilot hole (2) are on the straight line of same longitudinal direction, the central axes of the location hole (5) and core
The central axes in hole (4) are on same transverse direction straight line.
5. a kind of machine tool parts resin sand nowel sand core technique for fixing according to claim 1, it is characterised in that: the sand core
Raw material by 90% silica, 3% teruelite, 2% potassium albite, 2% mud powder, 3% di-iron trioxide and
The resin of 750ml, is stirred by agitating device.
6. a kind of machine tool parts resin sand nowel sand core technique for fixing according to claim 1, it is characterised in that: the standing
Cured parameter are as follows: curing time are as follows: 47-55 seconds, solidification temperature are as follows: 230 DEG C -400 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910618489.1A CN110293209A (en) | 2019-07-10 | 2019-07-10 | A kind of machine tool parts resin sand nowel sand core technique for fixing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910618489.1A CN110293209A (en) | 2019-07-10 | 2019-07-10 | A kind of machine tool parts resin sand nowel sand core technique for fixing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110293209A true CN110293209A (en) | 2019-10-01 |
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ID=68030768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910618489.1A Pending CN110293209A (en) | 2019-07-10 | 2019-07-10 | A kind of machine tool parts resin sand nowel sand core technique for fixing |
Country Status (1)
| Country | Link |
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| CN (1) | CN110293209A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112743047A (en) * | 2020-12-21 | 2021-05-04 | 昌坚华新机器人部件南通有限公司 | Lightweight axle psammitolite and sand core anchor clamps and automatic core robot down |
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|---|---|---|---|---|
| CN201783622U (en) * | 2010-04-01 | 2011-04-06 | 太仓林飞铸造有限公司 | Combined mud core |
| CN102019358A (en) * | 2011-01-13 | 2011-04-20 | 芜湖聚达汽车零部件有限公司 | Sand core casting machine |
| CN202667549U (en) * | 2012-06-19 | 2013-01-16 | 山东沃克液力传动有限公司 | Whole core box |
| CN202725952U (en) * | 2012-08-28 | 2013-02-13 | 天津久增金属有限公司 | Heating device for core box inserting rod |
| CN208004739U (en) * | 2018-04-03 | 2018-10-26 | 宁波高盛模具制造有限公司 | A kind of upper cover core cold-box being used to prepare high performance diesel cylinder cap |
| CN109128029A (en) * | 2018-10-29 | 2019-01-04 | 扬州广润机械有限公司 | A kind of flywheel shell of engine tide mould sand build-in function film covered sand core casting mould |
-
2019
- 2019-07-10 CN CN201910618489.1A patent/CN110293209A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201783622U (en) * | 2010-04-01 | 2011-04-06 | 太仓林飞铸造有限公司 | Combined mud core |
| CN102019358A (en) * | 2011-01-13 | 2011-04-20 | 芜湖聚达汽车零部件有限公司 | Sand core casting machine |
| CN202667549U (en) * | 2012-06-19 | 2013-01-16 | 山东沃克液力传动有限公司 | Whole core box |
| CN202725952U (en) * | 2012-08-28 | 2013-02-13 | 天津久增金属有限公司 | Heating device for core box inserting rod |
| CN208004739U (en) * | 2018-04-03 | 2018-10-26 | 宁波高盛模具制造有限公司 | A kind of upper cover core cold-box being used to prepare high performance diesel cylinder cap |
| CN109128029A (en) * | 2018-10-29 | 2019-01-04 | 扬州广润机械有限公司 | A kind of flywheel shell of engine tide mould sand build-in function film covered sand core casting mould |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112743047A (en) * | 2020-12-21 | 2021-05-04 | 昌坚华新机器人部件南通有限公司 | Lightweight axle psammitolite and sand core anchor clamps and automatic core robot down |
| CN112743047B (en) * | 2020-12-21 | 2022-03-08 | 昌坚华新机器人部件南通有限公司 | Sand core clamp for clamping lightweight axle sand core and automatic core-setting robot |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20191001 |