CN209021167U - A kind of crankshaft swage device - Google Patents
A kind of crankshaft swage device Download PDFInfo
- Publication number
- CN209021167U CN209021167U CN201821331832.1U CN201821331832U CN209021167U CN 209021167 U CN209021167 U CN 209021167U CN 201821331832 U CN201821331832 U CN 201821331832U CN 209021167 U CN209021167 U CN 209021167U
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- China
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- cope
- crankshaft
- drag box
- protruding block
- snap ring
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Abstract
The utility model relates to casting technology fields, and in particular to a kind of crankshaft swage device；The technical problem to be solved is that providing one kind to exclude casting mold type intracavity gas in time, the crankshaft swage device of the casting of 150 kilograms or more of crankshaft product is completed；Used scheme are as follows: include: cope, drag box, case card, two sprue gates, several ventholes, casting mold type chamber, protruding block, closing snap ring and operating stick；Cope is the groove-like structure that Open Side Down, drives that there are two sprue gate and several ventholes at the top of the cope, and the cope two sides are each provided with protruding block A；Drag box is provided with below the cope, the drag box is opening upwards and groove-like structure corresponding with cope opening shape, and casting mold type chamber is formed inside cope and drag box, it closes snap ring and is used for clamping cope and drag box, the cope and drag box junction are provided with several case cards to clamping sandbox.
Description
Technical field
The utility model relates to casting technology fields, and in particular to a kind of crankshaft swage device.
Background technique
The heating conduction of device for sand coated iron mould technology utilization swage, the solidification that can accelerate iron liquid is cooling, and crystallization of refinement tissue mentions
The compactness of height tissue, meets product material requirement, and rough casting machining allowance can be made to reduce, and dimensional accuracy is high, reduces useless
Product rate improves production efficiency.But device for sand coated iron mould technique is mainly used for weight in 150 kilograms or less automobile engines songs at present
The production of axis.Crankshaft product for weight up to 150 kilograms or more still uses tide mould sand technique to produce, and weight is reached
When 150 kilograms or more of crankshaft product is produced using device for sand coated iron mould technique, when pouring into molten iron to type chamber, type is intracavitary existing big
Amount gas cannot exclude in time, cause crankshaft product to generate stomata, and have molten iron casting is insufficient to happen.
Utility model content
The utility model overcomes the shortcomings of the prior art, and the intracavitary gas of casting mold type can be excluded in time by providing one kind
Body completes the crankshaft swage device of the casting of 150 kilograms or more of crankshaft product.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model are as follows: a kind of crankshaft swage device, packet
Include: cope, drag box, case card, two sprue gates, several ventholes, casting mold type chamber, protruding block close snap ring and operating stick；
Cope is the groove-like structure that Open Side Down, is driveed at the top of the cope there are two sprue gate and several ventholes,
The cope two sides are each provided with protruding block A；Drag box is provided with below the cope, the drag box is opening upwards
And groove-like structure corresponding with cope opening shape, and casting mold type chamber, the upper sand are formed inside cope and drag box
Drag box two sides below case protruding block A are correspondingly arranged on protruding block B, the protruding block A of the crankshaft swage device two sides and
A closing snap ring is each provided on protruding block B, the inside diameter of the closing snap ring laterally closes snap ring from closing snap ring one
The other side becomes larger, and closing snap ring is used for clamping cope and drag box, and the cope is provided with drag box junction
Several case cards to clamping sandbox.
The protruding block A and protruding block B is cylinder.
Operating stick is fixed on the closing snap ring, the operating stick is for swinging closing snap ring.
The venthole is difficult to exhaust position and is connected to casting mold type chamber upper lobes point and casting mold type chamber.
The quantity of the case card is 3~5 pairs.
The height of the venthole is higher than 5~10 centimetres of height of the sprue gate.
The case card is firmly fixed together cope and drag box, prevent from occurring in molten iron casting cope and
There is relative motion in drag box, to guarantee the dimensionally stable of crankshaft product and accurate.
Crankshaft iron die sand casting process is manufactured using the utility model, comprising the following steps:
1) master mold makes: design is a set of and the consistent model of crankshaft shape is as master mold；
2) swage makes: the swage that production is matched with master mold, and there are two sprue gate, the skies of swage and master mold for swage setting
Cavity gap is 10~12mm；
3) device for sand coated iron mould: then precoated sand is incident upon master mold and swage by penetrating sand machine sand-spraying hole by heating master mold and swage
Between cavity, solidification complete, molding after 120 seconds；
4) mould assembling: the swage for completing to cover sand is placed into filter screen, mould assembling clamps, and places to pouring platform；
5) cast iron melting and casting: cast iron melting temperature is 1580~1590 DEG C, and molten steel pouring temperature is 1340~1480
℃；It is poured simultaneously when casting to two sprue gates；
6) it unpacks after unpacking: greater than being equal to 90 minutes.
The material of the molten iron is spheroidal graphite cast-iron.
Every case duration of pouring is 90~150 seconds.
The influence for touching angle is acted according to crankshaft, designs and produces a set of core box, and cooperation, which is covered placer iron and moulded, makees crankshaft product.
Device for sand coated iron mould process is the committed step entirely cast, directly affects the height of yield rate, will during covering sand
Swage and master mold are heated to 260 DEG C, and precoated sand cannot be fully cured when temperature is too low, and precoated sand is in flow process when the temperature is excessively high
In just it is cured.
Penetrating sand is the cavity for utilizing low-pressure compressed air (0.6MPa) to be blown into fluidised form precoated sand between master mold and swage, is penetrated
The sand time is generally 6~10 seconds, and precoated sand generally uses sand in coating phenolic resin.
In casting process, because molten steel solidification is fast, field trash is difficult to float, and filtering is placed generally in running gate system
Piece completes pushing off the slag processing.
Spheroidal graphite cast-iron is a kind of high strength cast iron material, and comprehensive performance has been successfully used in casting stress close to steel
Complexity, the high components of intensity, toughness, wearability.Spheroidal graphite cast-iron is globular graphite obtained by nodularization and inoculation, is had
The plasticity, toughness and intensity for improving spheroidal graphite cast-iron of effect.
Include using the ductile iron crankshaft product chemistry sexual element that such device for sand coated iron mould technique produces: C:3.6~
3.8%, Si:2.1~2.5%, Cu:0.4~0.7%, Mn:0.3-0.7% and other a small amount of compositions, remaining is Fe.
The utility model has the advantages that compared with prior art.
One, several ventholes are arranged on the top of cope in the utility model crankshaft swage device, the venthole in casting
The intracavitary gas of casting mold type can be discharged in time, when producing 150 kilograms or more of crankshaft, avoid crankshaft product occur stomata and
Molten iron casting is insufficient to be happened, and yield rate is improved, and extends the range of device for sand coated iron mould technique application, is more advantageous to hair
Wave the advantage of device for sand coated iron mould technique.
Two, two sprue gates are arranged in the utility model on crankshaft swage device, accelerate the duration of pouring, make in a short time
Molten iron uniformly pours into crank-resolved model, is more advantageous to the uniformity of control crankshaft tissue.
Three, the utility model product service life period extended using eccentric closing snap ring long, cam clamp structures
Simply, using eccentric wheel eccentric center principle, certain pressure angle is rotated to by cam clamp, is realized to the quick of sandbox upper and lower mould
Step up and unclamp, increase the pressing force of clamp, meets the requirement that sandbox closure is tight, unlatching is fast, and the cam clamp is replaced
Convenient, working service is convenient, practical.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the top view of the utility model.
Fig. 3 is the side view of the utility model.
In figure: 1 is cope, and 2 be drag box, and 3 be case card, and 4 be sprue gate, and 5 be venthole, and 6 be casting mold type chamber, and 7 are
Protruding block, 8 be closing snap ring, and 9 be operating stick.
Specific embodiment
It is illustrated below in conjunction with Fig. 1-3 pairs of the utility model.
A kind of crankshaft swage device, comprising: cope 1, drag box 2, case card 3, two sprue gates 4, several ventholes 5,
Casting mold type chamber 6, protruding block 7 close snap ring 8 and operating stick 9；
Cope 1 is the groove-like structure that Open Side Down, drives that there are two sprue gate 4 and several outlets at the top of the cope 1
Hole 5,1 two sides of cope are each provided with protruding block A；Drag box 2 is provided with below the cope 1, the drag box 2 is
Opening upwards and groove-like structure corresponding with 1 opening shape of cope, and casting mold type is formed inside cope 1 and drag box 2
Chamber 6,2 two sides of drag box below the 1 protruding block A of cope are correspondingly arranged on protruding block B, the crankshaft swage device two
It is each provided with a closing snap ring 8 on the protruding block A and protruding block B of side, the inside diameter of the closing snap ring 8 is from closing snap ring
8 one sides become larger to 8 other side of enclosed card ring, and closing snap ring 8 is used for clamping cope 1 and drag box 2, the cope 1
2 junction of drag box is provided with several case cards 3 to clamping sandbox.
The protruding block A and protruding block B is cylinder.
Operating stick 9 is fixed on the closing snap ring 8, the operating stick 9 is for swinging closing snap ring 8.
The venthole 5 is difficult to exhaust position and is connected to 6 upper lobes point of casting mold type chamber and casting mold type chamber 6.
The quantity of the case card 3 is 3~5 pairs.
The height of the venthole 5 is higher than 5~10 centimetres of height of the sprue gate 4.
Above embodiment is merely exemplary to illustrate the principles of the present invention and its effect, and not for limitation, this is practical new
Type.Person skilled in the art can all repair above-described embodiment under the spirit and scope without prejudice to the utility model
Decorations improve.Therefore, all lift in the technical field has usually intellectual without departing from the revealed spirit of the utility model
With all equivalent modifications completed under technical idea or change, should be covered by the claim of the utility model.
Claims (6)
1. a kind of crankshaft swage device, it is characterised in that: include: cope (1), drag box (2), case card (3), two sprue gates
(4), several ventholes (5), casting mold type chamber (6), protruding block (7) close snap ring (8) and operating stick (9)；
Cope (1) is the groove-like structure that Open Side Down, drives that there are two sprue gate (4) and if doing at the top of the cope (1)
Stomata (5), cope (1) two sides are each provided with protruding block A；Drag box (2), institute are provided with below the cope (1)
Drag box (2) are stated as opening upwards and groove-like structure corresponding with cope (1) opening shape, and cope (1) and lower sand
Casting mold type chamber (6) are formed inside case (2), drag box (2) two sides below cope (1) the protruding block A are correspondingly arranged on
It is each provided with a closing snap ring (8) on protruding block B, the protruding block A and protruding block B of the crankshaft swage device two sides, it is described
The inside diameter for closing snap ring (8) becomes larger from closing (8) one side of snap ring to enclosed card ring (8) other side, closes snap ring (8)
For clamping cope (1) and drag box (2), the cope (1) is provided with several to clamping with drag box (2) junction
The case card (3) of sandbox.
2. a kind of crankshaft swage device according to claim 1, which is characterized in that the protruding block A and protruding block B are
It is cylindrical.
3. a kind of crankshaft swage device according to claim 1, which is characterized in that be fixed on the closing snap ring (8)
Operating stick (9), the operating stick (9) is for swinging closing snap ring (8).
4. a kind of crankshaft swage device according to claim 1, which is characterized in that the venthole (5) and casting mold type chamber
(6) upper lobes point and casting mold type chamber (6) are difficult to exhaust position connection.
5. a kind of crankshaft swage device according to claim 1, which is characterized in that the quantity of the case card (3) is 3~5
It is right.
6. a kind of crankshaft swage device according to claim 1, which is characterized in that the height of the venthole (5) is higher than
5~10 centimetres of height of the sprue gate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821331832.1U CN209021167U (en) | 2018-08-17 | 2018-08-17 | A kind of crankshaft swage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821331832.1U CN209021167U (en) | 2018-08-17 | 2018-08-17 | A kind of crankshaft swage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209021167U true CN209021167U (en) | 2019-06-25 |
Family
ID=66873305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821331832.1U Active CN209021167U (en) | 2018-08-17 | 2018-08-17 | A kind of crankshaft swage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209021167U (en) |
-
2018
- 2018-08-17 CN CN201821331832.1U patent/CN209021167U/en active Active
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