CN105598419A - Combined casting process of evanescent mode produced hammer head - Google Patents
Combined casting process of evanescent mode produced hammer head Download PDFInfo
- Publication number
- CN105598419A CN105598419A CN201610005700.9A CN201610005700A CN105598419A CN 105598419 A CN105598419 A CN 105598419A CN 201610005700 A CN201610005700 A CN 201610005700A CN 105598419 A CN105598419 A CN 105598419A
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- CN
- China
- Prior art keywords
- tup
- apperance
- casting
- hammer head
- finished product
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/06—Vacuum casting, i.e. making use of vacuum to fill the mould
-
- 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
- B22C9/04—Use of lost patterns
-
- 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)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention relates to the field of casting, and in particular discloses a combined casting process of an evanescent mode produced hammer head. The combined casting process comprises the following production procedures: manufacturing a hammer head system mold, coating, manufacturing an evanescent mode there-dimensional multi-part set mold in a box, performing directional solidification that the hammer head faces downwards, performing vacuum negative pressing, sintering, casting, performing vibration casting formation, and reprocessing a hammer head cast blank, thereby obtaining a finished product. As a plurality of hammer heads are combined together for combined casting in an evanescent mode, and a method of vacuum negative pressure, firstly sintering and secondly casting, and vibration casting is adopted, the produced hammer head is smooth in surface, free of molding surface, and relatively high in abrasion resistance and safety reliability. By the adoption of the combined casting process provided by the invention, the power consumption is reduced, the working intensity is relieved, and the production efficiency is improved; 95% or above of sand can be recycled, so that resource waste and environment pollution are avoided, cleaner production is achieved, and technical advancement and production practicability can be relatively well achieved.
Description
Technical field
The present invention relates to casting field, especially relate to a kind of combination casting technique of producing tup, particularly a kind ofly go here and there the casting technique that negative pressure of vacuum together produces tup with the multiple combinations of evaporative pattern.
Background technology
With sand casting, produce single material tup series products, be all single-piece moulding, rising head is placed directly on product. This forging type, occupied ground is large, and it is large that sand is recycled difficulty, and the rate of recovery is low, durability is poor, can only do floor sand and use; Old sand discharge causes very large waste, and easily causes environmental pollution; Emit port part to organize not fine and close, wear no resistance; Double-metal composite hammer, the single cast of large tup, little two strings of tup water, and production efficiency is low. In order to address the above problem, the combination casting technique that the present invention proposes a kind of evaporative pattern and produces tup, is used the multiple combinations of evaporative pattern to go here and there negative pressure of vacuum together and produces tup, has solved the problems referred to above, has obtained certain economic benefit.
Water with many strings of evaporative pattern, greatly improved production efficiency; Adopt negative pressure of vacuum, first burn and water afterwards vibrating casting, when improving tup density, crystal grain has obtained refinement, has further improved tup macrohardness. With explained hereafter tup of the present invention, reduce power consumption, 95% above sand reusing, improved operating efficiency, realize cleaner production.
Summary of the invention
The invention provides a kind of evaporative pattern and produce the combination casting technique of tup, the multiple combination strings of use evaporative pattern together many strings water, adopt negative pressure of vacuum, first burn afterwards water, the method for vibrating casting, make the tup smooth in appearance of producing, there is no die joint, and there is higher wearability and security reliability. Process of the present invention has reduced power consumption, has reduced labour intensity, has improved production efficiency; And more than 95% sand reusing, has avoided the wasting of resources and environmental pollution, has realized cleaner production, advanced and production practicality more possess skills.
The object of the invention to solve the technical problems realizes by the following technical solutions.
The combination casting technique that a kind of evaporative pattern proposing according to the present invention is produced tup, wherein, its technological process comprises: make tup system apperance, coat, make in case three-dimensional many group moulds of evaporative pattern, upside down directional solidification, negative pressure of vacuum first burn afterwards water, vibrating casting is shaped, to tup spray, reprocessing makes finished product;
Its concrete production method comprises the following steps:
(1), cut out tup system apperance with automatic Qie Baimo machine, described tup system apperance comprises tup apperance, sprue apperance, cross gate apperance and rising head apperance, with apperance assembled tool by tup system apperance taking two as one group, tup apperance be tup down, hammer handle upward, between two tup apperances, rising head apperance is set, rising head apperance one side arranges cross gate apperance, cross gate apperance end arranges sprue apperance, described sprue apperance and cross gate apperance form " L " shape, respectively organize between sectional pattern and reinforce and be combined into one with bamboo let;
(2), to No. 6, Guilin of every group of tup system apperance entirety dip-coating high strength coating, dip-coating, to not showing money or valuables one carries unintentionally, is placed in baking oven and dries, the temperature in baking oven is 40-60 DEG C, drying time 7-12 hour; After parching, then No. 6, overall showering Guilin high strength coating, being placed in baking oven and drying again, the temperature in baking oven is 40-60 DEG C, drying time 7-10 hour;
(3), according to tup specification, in sandbox, put at least two group tup system apperances, two adjacent groups tup system apperance by glue bond together, forms three-dimensional many group moulds of evaporative pattern, and three-dimensional many group moulds of evaporative pattern are coated to No. 6, Guilin high strength coating;
(4), dress is when bed load, below tup apperance and surrounding pack conformal chill into, the conformal chill of surrounding is welded together with steel rib, to realize directional solidification, in sandbox, fill up sand, jolt ramming;
(5), tap and within first 10 minutes, open negative pressure of vacuum system, with oxygen burn casement chamber, with oxygen, tup system apperance is burnt and is made casement chamber, above rising head, placing ceramic pipe is as overfall;
(6), potting syrup is injected to casement chamber, when cast, open high frequency plain bumper, the cast of vibration limit, limit, potting syrup overflows after overfall, stops cast, after pressurize 4-12 minute, closes negative pressure of vacuum system;
(7), in sandbox, be incubated after 8-24 hour, unpack and take out tup, burr is removed in cleaning polishing, then makes finished product tup through Overheating Treatment.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid a kind of evaporative pattern is produced the combination casting technique of tup, and wherein, described potting syrup is the one in rich chromium cast iron or potassium steel or steel alloy; When potting syrup is rich chromium cast iron, the pouring temperature of rich chromium cast iron is 1390 DEG C～1500 DEG C, makes finished product rich chromium cast iron tup; When potting syrup is potassium steel, the pouring temperature of potassium steel is 1370 DEG C～1480 DEG C, makes finished product potassium steel tup; When potting syrup is steel alloy, the pouring temperature of steel alloy is 1540 DEG C～1680 DEG C, makes finished product steel alloy tup.
By technique scheme, the combination casting technique that a kind of evaporative pattern of the present invention is produced tup can reach suitable technological progress and practicality, and there is the extensive value in industry, and compared with prior art thering is obvious advantage and beneficial effect, it at least has following advantages:
(1) the combination casting technique that, a kind of evaporative pattern of the present invention is produced tup, the multiple combination strings of use evaporative pattern together many strings water, adopt negative pressure of vacuum, first burn afterwards water, the method for vibrating casting, make the tup smooth in appearance of producing, there is no die joint, and there is higher wearability and security reliability.
(2), the present invention adopts dried sand negative-pressure moulding, sand, through dust removal process, has reduced the probability of suffering from anthraco-silicosis, has realized directional solidification, has given full play to the performance of casting material self, has improved the macrohardness of foundry goods.
(3), the present invention's foundry goods entirety bonding of making, without somatotype, stopped due to mould shift, lifted the waste product that case produces; Without operations such as lower core, hammering knockout, old sand removings, reduce operating procedure; Casting dimension accuracy is high, has reduced allowance, can replace hot investment casting in some field; Tup wearability and security reliability improve greatly; The percent defective that has reduced foundry goods, has improved labor productivity, has improved occupation rate of market thereby greatly reduce production cost.
(4) the present invention has improved production efficiency, has reduced labour intensity; Reduce power consumption, the above reusing of sand 95%, energy-saving and cost-reducing, realize cleaner production.
In sum, the combination casting technique that a kind of evaporative pattern of the present invention is produced tup has significant progress technically, more possess skills advanced and production practicality, and real is a kind of new and innovative, progressive, practical new design.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, and for above and other object of the present invention, feature and advantage can be become apparent, especially exemplified by preferred embodiment, be described in detail as follows below.
Detailed description of the invention
Technological means and effect of taking for reaching predetermined goal of the invention for further setting forth the present invention, below in conjunction with preferred embodiment, the combination casting technique that a kind of evaporative pattern proposing according to the present invention is produced to tup, its detailed description of the invention, feature and effect thereof, be described in detail as follows.
A kind of evaporative pattern of the present invention is produced the combination casting technique of tup, and its technological process comprises: make tup system apperance, coat, make in case three-dimensional many group moulds of evaporative pattern, upside down directional solidification, negative pressure of vacuum first burn afterwards water, vibrating casting is shaped, to tup spray, reprocessing makes finished product; Its concrete production method comprises the following steps:
Step 1, cut out tup system apperance with automatic Qie Baimo machine, described tup system apperance comprises tup apperance, sprue apperance, cross gate apperance and rising head apperance, with apperance assembled tool by tup system apperance taking two as one group, tup apperance be tup down, hammer handle upward, between two tup apperances, rising head apperance is set, rising head apperance one side arranges cross gate apperance, cross gate apperance end arranges sprue apperance, described sprue apperance and cross gate apperance form " L " shape, between each group sectional pattern, reinforce and be combined into one with bamboo let, reach the object of the combination casting technique that realizes tup.
Step 2, to No. 6, Guilin of every group of tup system apperance entirety dip-coating high strength coating, dip-coating is to not showing money or valuables one carries unintentionally, be placed in baking oven and dry, temperature in baking oven is 40-60 DEG C, and drying time 7-12 hour, after parching, No. 6, overall showering Guilin high strength coating again, be placed in baking oven and dry, the temperature in baking oven is 40-60 DEG C, drying time 7-10 hour;
Step 3, according to tup specification, in sandbox, put at least two group tup system apperances, two adjacent groups tup system apperance by glue bond together, forms three-dimensional many group moulds of evaporative pattern, realize many tup disposal pourings, three-dimensional many group moulds of evaporative pattern are coated to No. 6, Guilin high strength coating;
When step 4, dress bed load, below tup apperance, pack conformal chill into surrounding, the conformal chill of surrounding is welded together with steel rib, to realize directional solidification, in sandbox, fill up sand, jolt ramming;
Step 5, tap and within first 10 minutes, open negative pressure of vacuum system, burn casement chamber with oxygen, with oxygen, tup system apperance is burnt and made casement chamber, above rising head, placing ceramic pipe is as overfall;
Step 6, potting syrup is injected to casement chamber, when cast, open high frequency plain bumper, the cast of vibration limit, limit, potting syrup overflows after overfall, stops cast, after pressurize 4-12 minute, closes negative pressure of vacuum system;
Step 7, in sandbox, be incubated after 8-24 hour, unpack and take out tup, burr is removed in cleaning polishing, then makes finished product tup through Overheating Treatment.
Aforesaid a kind of evaporative pattern is produced the combination casting technique of tup, and wherein, described potting syrup is the one in rich chromium cast iron or potassium steel or steel alloy; When potting syrup is rich chromium cast iron liquid, rich chromium cast iron liquid pouring temperature is 1390 DEG C～1500 DEG C, makes finished product rich chromium cast iron tup; When potting syrup is potassium steel, the pouring temperature of potassium steel potting syrup is 1370 DEG C～1480 DEG C, makes finished product potassium steel tup; When potting syrup is steel alloy, the pouring temperature of steel alloy potting syrup is 1540 DEG C～1680 DEG C, makes finished product steel alloy tup.
A kind of evaporative pattern of the invention described above is produced the technological innovation of the combination casting technique of tup, for technical staff of the same trade now, all has many saving graces, and the progressive that really possesses skills.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, but not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (2)
1. evaporative pattern is produced a combination casting technique for tup, it is characterized in that its technological process comprises: systemMake tup system apperance, coat, make in case three-dimensional many group moulds of evaporative pattern, upside down directional solidification,Negative pressure of vacuum first burn afterwards water, vibrating casting is shaped, tup spray reprocessing is made to finished product;
Its concrete production method comprises the following steps:
(1), cut out tup system apperance with automatic Qie Baimo machine, described tup system apperance comprises tup mouldSample, sprue apperance, cross gate apperance and rising head apperance, with apperance assembled tool by tup system apperance withTwo is one group, tup apperance be tup down, hammer handle, arranges rising head mould between two tup apperances upwardSample, rising head apperance one side arranges cross gate apperance, and cross gate apperance end arranges sprue apperance, describedSprue apperance and cross gate apperance form " L " shape, respectively organize between sectional pattern and reinforce and be combined as one with bamboo letBody;
(2), to No. 6, Guilin of every group of tup system apperance entirety dip-coating high strength coating, dip-coating is to not showing money or valuables one carries unintentionallyCan, being placed in baking oven and drying, the temperature in baking oven is 40-60 DEG C, drying time 7-12 hour; DryThoroughly, then No. 6, overall showering Guilin high strength coating, be placed in baking oven and dry again, the temperature in baking ovenDegree is 40-60 DEG C, drying time 7-10 hour;
(3), according to tup specification, in sandbox, put at least two group tup system apperances, two adjacent groups tupSystem apperance by glue bond together, forms three-dimensional many group moulds of evaporative pattern, to three-dimensional many groups of evaporative patternMould is coated No. 6, Guilin high strength coating;
(4), dress is when bed load, below tup apperance and surrounding pack conformal chill into, by the conformal chill of surroundingWeld together with steel rib, to realize directional solidification, in sandbox, fill up sand, jolt ramming;
(5), tap and within first 10 minutes, open negative pressure of vacuum system, with oxygen burn casement chamber, will hammer into shape with oxygenHead system apperance is burnt and is made casement chamber, and above rising head, placing ceramic pipe is as overfall;
(6), potting syrup is injected to casement chamber, open high frequency plain bumper when cast, the cast of vibration limit, limit, watersFluid injection is overflowed after overfall, stops cast, after pressurize 4-12 minute, closes negative pressure of vacuum system;
(7), in sandbox, be incubated after 8-24 hour, unpack and take out tup, burr is removed in cleaning polishing,Make finished product tup through Overheating Treatment again.
2. the combination casting technique that a kind of evaporative pattern as claimed in claim 1 is produced tup, is characterized in thatDescribed potting syrup is the one in rich chromium cast iron or potassium steel or steel alloy; When potting syrup is rich chromium cast iron,The pouring temperature of rich chromium cast iron is 1390 DEG C～1500 DEG C, makes finished product rich chromium cast iron tup; Potting syrup is highWhen manganese steel, the pouring temperature of potassium steel is 1370 DEG C～1480 DEG C, makes finished product potassium steel tup; Potting syrupDuring for steel alloy, the pouring temperature of steel alloy is 1540 DEG C～1680 DEG C, makes finished product steel alloy tup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610005700.9A CN105598419A (en) | 2016-01-06 | 2016-01-06 | Combined casting process of evanescent mode produced hammer head |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610005700.9A CN105598419A (en) | 2016-01-06 | 2016-01-06 | Combined casting process of evanescent mode produced hammer head |
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| CN105598419A true CN105598419A (en) | 2016-05-25 |
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| CN201610005700.9A Pending CN105598419A (en) | 2016-01-06 | 2016-01-06 | Combined casting process of evanescent mode produced hammer head |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735097A (en) * | 2016-11-30 | 2017-05-31 | 邢振国 | A kind of adjustable biliquid casting bimetal composite process of cooling rate |
| CN108380815A (en) * | 2018-05-24 | 2018-08-10 | 靖江市黎明铸造材料厂 | Lost foam casting hardens ghost coating and preparation method thereof |
| CN109482817A (en) * | 2018-11-27 | 2019-03-19 | 山东浩顺机械有限公司 | A method of outer support is manufactured using lost foam process |
| CN110252948A (en) * | 2019-06-27 | 2019-09-20 | 共享装备股份有限公司 | A kind of evaporative pattern is first burnt pours casting method afterwards |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735097A (en) * | 2016-11-30 | 2017-05-31 | 邢振国 | A kind of adjustable biliquid casting bimetal composite process of cooling rate |
| CN108380815A (en) * | 2018-05-24 | 2018-08-10 | 靖江市黎明铸造材料厂 | Lost foam casting hardens ghost coating and preparation method thereof |
| CN109482817A (en) * | 2018-11-27 | 2019-03-19 | 山东浩顺机械有限公司 | A method of outer support is manufactured using lost foam process |
| CN110252948A (en) * | 2019-06-27 | 2019-09-20 | 共享装备股份有限公司 | A kind of evaporative pattern is first burnt pours casting method afterwards |
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Application publication date: 20160525 |