CN208288929U - A kind of large-sized numerical control grinder bed disappearance proplasm - Google Patents
A kind of large-sized numerical control grinder bed disappearance proplasm Download PDFInfo
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- CN208288929U CN208288929U CN201820524064.5U CN201820524064U CN208288929U CN 208288929 U CN208288929 U CN 208288929U CN 201820524064 U CN201820524064 U CN 201820524064U CN 208288929 U CN208288929 U CN 208288929U
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Abstract
The utility model discloses large-sized numerical control grinder bed disappearance proplasms, it is characterized by comprising the first sprue (1), second sprue (2) and the 7th sprue (7), second sprue (2) bottom is fixed with cross gate (3), cross gate (3) the bottom both ends are fixed with the 4th sprue (4), first sprue (1), 4th sprue (4) and the 7th sprue (7) bottom are fixed with circular cross-runner (5), when circular cross-runner (5) bottom is fixed with multiple ingates (6) casting, molten iron passes through the first sprue respectively, second sprue and the 7th sprue introduce, first sprue, it is heated outside second sprue and the 7th sprue by heating layer.The utility model molten iron passes through the first sprue, the second sprue and the 7th sprue respectively and introduces, second sprue passes through the 4th sprue of cross gate both ends again and enters circular cross-runner, most enter type chamber through multiple ingates afterwards, realize the anti-pouring technology that drenches with rain, to guarantee that it is full that bed ways rush rapidly, final product quality is high.
Description
Technical field
The utility model relates to large-sized numerical control grinder bed manufacture field, in particular to a kind of large-sized numerical control grinder bed disappears
Lose proplasm.
Background technique
Lost foam casting (also known as cavityless casting) is by paraffin similar with casting dimension shape or bubbles model bonding group
Synthetic model cluster is embedded in vibration molding in drystone sand, is poured under negative pressure, make model gas after brushing fireproof coating and drying
Change, liquid metals occupies modal position, the novel casting method of casting is formed after solidification is cooling, lost foam casting is a kind of nearly nothing
The new process of surplus, precise forming, the technique without modulus, without die joint, without sand core, thus casting do not have overlap, burr and
Pattern draft, and reduce as type core combination and caused by scale error.Surface roughness are up to Ra3.2 to 12.5 μ
m；Casting dimension accuracy is up to CT7 to 9；Machining allowance is up to 1.5 to 2mm, can greatly reduce the expense of machining, and
Traditional sand mould casting method is compared, it is possible to reduce 40% to 50% machining time, existing large-sized numerical control grinder bed
In casting because casting is excessive, the machining accuracy of casting is not high, and when casting is cast using mold, because its is larger
Surface area, will lead to the air that generates when molten iron is flowed when entering type chamber causes cast-internal to have gap, and cannot
It is enough rapidly filled with type chamber, leads to Mechanical processing of casting precision and of low quality, product surface is more coarse, and there is seam inside
Gap causes product quality unqualified.
Therefore, a kind of large-sized numerical control grinder bed disappearance proplasm is necessary to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of large-sized numerical control grinder bed disappearance proplasms, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions:
Large-sized numerical control grinder bed disappearance proplasm, including the first sprue, the second sprue and the 7th sprue, it is described
Second sprue bottom is fixed with cross gate, and cross gate bottom both ends are fixed with the 4th sprue, and described first is straight
Running channel, the 4th sprue and the 7th sprue bottom are fixed with circular cross-runner, and the circular cross-runner bottom is fixed with
Multiple ingates.
Preferably, first sprue and the 7th sprue are separately positioned on circular cross-runner two sides, the cross gate
It is set to circular cross-runner center, second sprue is set to cross gate center.
Preferably, the circular cross-runner is fixedly installed at the top of sandbox.
Preferably, heating layer is set as heating cavity, is equipped with heater strip or conduction oil inside the heating cavity.
The technical effect and advantage of the utility model:
1, by utilizing resin-bonded sand cast form treatment process, running gate system, casting device and lathe bed integrated molding are conducive to
The processing of lathe bed is cast, and saves space, easy to use, final product quality is higher；
2, molten iron passes through the first sprue, the second sprue and the 7th sprue respectively and introduces, and the second sprue passes through again
4th sprue of cross gate both ends bottom enters circular cross-runner, and molten iron passes through several ingates again and enters type chamber, realizes
The anti-pouring technology that drenches with rain reduces the influence that bubble casts lathe bed, lathe bed casting process so that it is full to guarantee that bed ways rush rapidly
Structure is simple, and final product quality is higher.
Detailed description of the invention
Fig. 1 is the whole main view of the utility model.
Fig. 2 is the overall top view of the utility model.
Fig. 3 is the ingate structural schematic diagram of the utility model.
Fig. 4 is the heating schematic diagram of a layer structure of the utility model.
In figure: 1 first sprue, 3 cross gates, 4 the 4th sprues, 5 circular cross-runners, pours in 62 second sprues
Road, 7 the 7th sprues, 8 heating layers.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1:
A kind of large-sized numerical control grinder bed disappearance proplasm preparation method, the concrete operation step according to shown in 1-3
Are as follows:
Step 1: evaporative pattern reality sample moulding is placed into sandbox, and resin sand is then added and carries out moulding；
Step 2: after the completion of moulding, being poured under negative pressure, evaporative pattern reality sample moulding gasification, then by casting equipment to disappearing
The intracavitary portion's pouring molten iron of type where the sample moulding of mould reality is lost, molten iron occupies the position of evaporative pattern reality sample moulding；
Step 3: when casting, molten iron passes through the first sprue 1, the second sprue 2 and the 7th sprue 7 respectively and introduces, the
It is heated outside one sprue 1, the second sprue 2 and the 7th sprue 7 by heating layer 8；
Step 4: the molten iron inside the second sprue 2 enters in cross gate 3, subsequently into the of 3 bottom both ends of cross gate
It inside four sprues 4, finally enters in circular cross-runner 5, passes through outside cross gate 3, the 4th sprue 4 and circular cross-runner 5
Heating layer 8 is heated；
Step 5: it is intracavitary that the molten iron entered inside circular cross-runner 5 in step 4 enters type by multiple ingates 6 again
Portion realizes the anti-pouring technology that drenches with rain, so that guarantee type chamber quickly fills with, is heated outside ingate 6 by heating layer 8；
Step 6: it after casting complete, is cooled and shaped, then demoulded.
Further, in the above-mentioned technical solutions, the utility model additionally provides a kind of large-sized numerical control grinder bed disappearance
Proplasm, including the first sprue 1, the second sprue 2 and the 7th sprue 7,2 bottom of the second sprue are fixed with cross
Running channel 3, the 3 bottom both ends of cross gate are fixed with the 4th sprue 4, first sprue 1, the 4th sprue 4 and
Seven sprues, 7 bottom is fixed with circular cross-runner 5, and 5 bottom of circular cross-runner is fixed with multiple ingates 6, makes iron
Water passes through the first sprue 1, the second sprue 2 and the 7th sprue 7 respectively and introduces, subsequently into cross gate 3, using cross
Inside 4th sprue 4 at 3 bottom both ends of running channel, finally enter in circular cross-runner 5, the molten iron inside circular cross-runner 5 is equal
Even is distributed in multiple ingates 6, the anti-casting that drenches with rain is carried out, so that guarantee type chamber quickly fills with.
Further, in the above-mentioned technical solutions, first sprue 1 and the 7th sprue 7 are separately positioned on annular
5 two sides of cross gate, the cross gate 3 are set to 5 center of circular cross-runner, and second sprue 2 is set to cross gate
3 centers when making molten iron flow, are evenly distributed inside each running channel, to keep casting uniform.
Further, in the above-mentioned technical solutions, the circular cross-runner 5 is fixedly installed at the top of sandbox, makes entirely to pour
Injection system, casting device and sandbox integrated molding are conducive to the processing casting of lathe bed, save space, easy to use, at quality
It measures higher.
The utility model provides a kind of large-sized numerical control grinder bed disappearance proplasm as shown in Figure 4, and heating layer 8 is arranged
For heating cavity, the heating cavity inside is equipped with heater strip, heating temperature homogeneous constant.
Embodiment 2:
Unlike the first embodiment, the heating layer 8 is set as heating cavity, is equipped with inside the heating cavity thermally conductive
Oil, thermally conductive stabilization, heat transfer property is good, and energy saving.
Utility model works principle:
First evaporative pattern reality sample moulding is placed into sandbox, resin sand is then added and carries out moulding, after the completion of moulding, negative pressure
Then lower casting, evaporative pattern reality sample moulding gasification pass through the intracavitary portion's casting of type where casting equipment to evaporative pattern reality sample moulding
Molten iron, molten iron occupy the position of evaporative pattern reality sample moulding, and when casting, molten iron passes through the first sprue 1, the second sprue 2 respectively
It introduces with the 7th sprue 7, is added outside the first sprue 1, the second sprue 2 and the 7th sprue 7 by heating layer 8
Heat, the molten iron inside the second sprue 2 enters in cross gate 3, subsequently into the 4th sprue 4 at 3 bottom both ends of cross gate
Portion finally enters in circular cross-runner 5, is carried out outside cross gate 3, the 4th sprue 4 and circular cross-runner 5 by heating layer 8
It heats, after casting complete, is cooled and shaped, then demoulded.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (4)
1. large-sized numerical control grinder bed disappearance proplasm, it is characterised in that: including the first sprue (1), the second sprue (2) and
7th sprue (7), the second sprue (2) bottom are fixed with cross gate (3), and cross gate (3) the bottom both ends are solid
Surely it is equipped with the 4th sprue (4), first sprue (1), the 4th sprue (4) and the fixation of the 7th sprue (7) bottom are set
Have circular cross-runner (5), circular cross-runner (5) bottom is fixed with multiple ingates (6).
2. large-sized numerical control grinder bed disappearance proplasm according to claim 1, it is characterised in that: first sprue
(1) and the 7th sprue (7) is separately positioned on circular cross-runner (5) two sides, and the cross gate (3) is set to circular cross-runner
(5) center, second sprue (2) are set to cross gate (3) center.
3. large-sized numerical control grinder bed disappearance proplasm according to claim 1, it is characterised in that: the circular cross-runner
(5) it is fixedly installed at the top of sandbox.
4. large-sized numerical control grinder bed disappearance proplasm according to claim 1, it is characterised in that: heating layer (8) setting
For heating cavity, the heating cavity inside is equipped with heater strip or conduction oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820524064.5U CN208288929U (en) | 2018-04-13 | 2018-04-13 | A kind of large-sized numerical control grinder bed disappearance proplasm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820524064.5U CN208288929U (en) | 2018-04-13 | 2018-04-13 | A kind of large-sized numerical control grinder bed disappearance proplasm |
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| Publication Number | Publication Date |
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| CN208288929U true CN208288929U (en) | 2018-12-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108311646A (en) * | 2018-04-13 | 2018-07-24 | 芜湖久弘重工股份有限公司 | A kind of large-sized numerical control grinder bed disappearance proplasm preparation method |
-
2018
- 2018-04-13 CN CN201820524064.5U patent/CN208288929U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108311646A (en) * | 2018-04-13 | 2018-07-24 | 芜湖久弘重工股份有限公司 | A kind of large-sized numerical control grinder bed disappearance proplasm preparation method |
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