CN201931073U - Cast aluminum piston water spray cooling device - Google Patents
Cast aluminum piston water spray cooling device Download PDFInfo
- Publication number
- CN201931073U CN201931073U CN201020690765XU CN201020690765U CN201931073U CN 201931073 U CN201931073 U CN 201931073U CN 201020690765X U CN201020690765X U CN 201020690765XU CN 201020690765 U CN201020690765 U CN 201020690765U CN 201931073 U CN201931073 U CN 201931073U
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- water
- piston
- gripper shoe
- pipeline
- aluminium piston
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Abstract
The utility model discloses a cast aluminum piston water spray cooling device, which comprises a support plate and a water spray device fixed below the support plate. The support plate is provided with a piston holding hole penetrating through the support plate in the thickness direction of the support plate, the piston holding hole comprises a circular hole and an elongated notch positioned on one side of the circular hole, and the circular hole is connected with one end of the notch. The water spray device is provided with a water inlet and a plurality of water spray openings, wherein the water inlet is communicated with an exterior water tube, and the water spray openings are distributed around the piston holding hole and respectively direct at the central axis of the circular hole of the piston holding hole. The cast aluminum piston water spray cooling device is capable of preventing soaking of a bonding position of a piston insert ring and a piston base and effectively avoiding dissolution of formed salt core during cooling, and further product quality is improved.
Description
Technical field
The utility model relates to a kind of foundry goods fast cooling technology field, relates in particular to a kind of die cast aluminium piston water spray quickly cooling device.
Background technology
In the metal casting industry, the foundry goods quenching technical is the important step in producing, and particularly casts in the technology of aluminium piston, utilizes afterheat in casting to quench to save time, energy-conservation, can save its production cost greatly; Describe for convenient, the piston of casting is called the cast aluminium piston.
The piston matrix of cast aluminium piston is a Birmasil, studs with cast-iron piston edge circle at the head of cast aluminium piston, and piston ring carrier and piston matrix are bonded as one by the mode of casting.
In the prior art, quickly cooling device is a water tank that cooling water is housed; The link of cooling is to immerse the water tank that cooling water is housed with the whole immersion of cast aluminium piston of heat or with the skirt section of cast aluminium piston fast, realizes the quick cooling of cast aluminium piston.
Though this technology can realize casting the quick cooling of cast aluminium piston, because the material of piston ring carrier is different with the material of piston matrix, in cooling procedure, both easily ftracture by bonding parts immersion moisture, influence the inherent quality of cast aluminium piston.
In addition, in the technology of casting aluminium piston, the interior cold oil road of cast aluminium piston is to realize moulding by the moulding salt core of solubility; Moulding salt core is met water and is then changed.When cast aluminium piston integral body immersed in cooling water or its skirt section immersion cooling water, the high temperature of cast aluminium piston can cause the cooling water sputter; The globule that splashes can contact with moulding salt core, causes dissolving of moulding salt core; After moulding salt core dissolved, the liquid of a part of moulding salt core can flow out fuel feed hole or oil outlet, but some can be attached to inner chamber or other non-machined surfaces of cast aluminium piston; The solution of salt core can cause corrosion to inner chamber or other non-machined surfaces of cast aluminium piston; This is very unfavorable to the presentation quality and the inherent quality that keep piston.
So, in the technical process of fast cooling, how to guarantee the piston ring carrier of cast aluminium piston and the stability of piston matrix bonding place, reducing in the quick cooling procedure moulding salt core, to dissolve phenomenon be this area scientific and technical personnel's technical issues that need to address.
The utility model content
Therefore, the purpose of this utility model provides a kind of casting aluminium piston equipment water jetting cooler, this casting aluminium piston equipment water jetting cooler can effectively improve the stability of piston ring carrier and piston matrix bonding place, reduced that moulding salt core dissolves phenomenon in the fast cooling procedure, and then improved the quality of casting aluminium piston.
Realize that for solving above-mentioned technical problem, the casting aluminium piston equipment water jetting cooler that the utility model provides comprise gripper shoe and the water injector that is fixed on described gripper shoe below; Described gripper shoe is provided with the piston putting hole that on its thickness direction it is run through, and described piston putting hole comprises circular hole and be positioned at the breach of the strip of circular hole one side that described circular hole links to each other with an end of described breach; Described water injector is provided with water inlet, and has a plurality of water jets; Described water inlet communicates with outer water tube, and a plurality of described water jets are distributed in around the described piston putting hole, and respectively towards the central axis of described circular hole.
Preferably, the opening of the other end of described breach is positioned at the side of described gripper shoe.
Preferably, described water injector comprises nozzle, and described nozzle is provided with water jet; Also comprise the nozzle fixed head, described nozzle fixed head is fixedlyed connected with described gripper shoe; Described nozzle is fixed in the nozzle fixing hole of described nozzle fixed head.
Preferably, described water injector comprises the pipeline that at least one extends along described piston putting hole edge, and described pipeline is provided with water jet and water inlet; Described pipeline is connected with described gripper shoe by the pipeline fixture.
Preferably, described pipe water interruption-forming admitting pipe joint, described admitting pipe joint and outer water tube are joined.
Preferably, described pipeline is a pipe.
Preferably, described pipeline fixture is a fixed head, and described pipeline matches with the perforate of described fixed head.
Preferably, the connected mode of described pipeline fixture and described gripper shoe is welding.
Preferably, described water jet is the circular port that is arranged on the described pipeline.
Preferably, described water injector is at least three closed conduits with described water inlet and water jet; Described closed conduit center line is parallel with the central axis of described circular hole, and fixedlys connected with the lower surface of described gripper shoe in the upper end.
With respect to above-mentioned technical background, the casting aluminium piston equipment water jetting cooler that the utility model provides comprises gripper shoe and is fixed on the water injector of gripper shoe below; Wherein, described gripper shoe is provided with the piston putting hole that on its thickness direction it is run through, described piston putting hole comprises the circular hole that a size and cast aluminium piston skirt diameter adapt, also comprise a breach that is positioned at the strip of circular hole one side, described circular hole links to each other with an end of described breach; The effect of described gripper shoe is to support the cast aluminium piston, prevents that cooling water below the gripper shoe is splashed to the cast aluminium piston and is positioned at part above the gripper shoe simultaneously when the cast aluminium piston is cooled off fast; Described water injector is provided with water inlet, and has a plurality of water jets; Described water inlet communicates with outer water tube, a plurality of described water jets are distributed in around the described piston putting hole, and respectively towards the central axis of described piston putting hole circular hole, the distributing position of described water jet is roughly circular, and this circular central axis overlaps substantially with the central axis of described middle circular hole.When cooling off fast, the cast aluminium piston is placed on the piston putting hole place of described gripper shoe, the water jet of described water injector is towards the skirt section of cast aluminium piston; Cooling water is sprayed onto the skirt section of cast aluminium piston by described water jet, cools off.Because the thermal conductivity of piston matrix is fine, only depend on the skirt section of cooling off the cast aluminium piston also can play the effect of quick cooling.Simultaneously, because the cast aluminium piston is positioned over described piston putting hole, and gripper shoe can play iris action, and the globule that splashes is intercepted by described gripper shoe; Because the oil cooling path is not in the below of described piston putting hole in the bonding place of piston ring carrier and piston matrix and the piston, cooling water can directly not contact with the bonding place of piston ring carrier with the piston matrix, so just effectively prevent the immersion phenomenon of piston ring carrier and piston matrix bonding place, improved the stability of piston ring carrier and piston matrix bonding place; Simultaneously, cooling water also can't directly contact with moulding salt core, has therefore reduced the phenomenon that moulding salt core dissolves, and then reduces the corrosion of the solution of salt core to the cast aluminium piston, has improved the quality of cast aluminium piston.
In further technical scheme, the opening of the other end of described breach is positioned on the side of described gripper shoe, and promptly described breach has been connected the outer rim of described gripper shoe and the circular hole of described piston putting hole.Can make the described piston putting hole of putting into that the cast aluminium piston is more prone to like this, and the weight of described gripper shoe is reduced, reduce its manufacturing cost.
In further technical scheme, described water injector comprises at least three nozzles, and described nozzle is provided with water jet, and described nozzle communicates with outer water tube; Also be provided with the nozzle fixed head, described nozzle fixed head is fixedlyed connected with described gripper shoe; Described nozzle is fixed in the nozzle fixing hole of described nozzle fixed head.In this technical scheme, because each described nozzle all is independent, the distributing position of each described nozzle is not subjected to the influence of other nozzle locations, and the position that casting aluminium piston equipment water jetting cooler is sprayed water when the cast aluminium piston is cooled off fast is more even; And, can be provided with a lot of fixing holes on the described nozzle fixed head, the position of described nozzle can be carried out the position adjustment as required.
In further technical scheme, described water injector comprises at least one along pipeline that described piston putting hole outer rim is extended, and described pipeline is provided with water jet and water inlet; Described pipeline is fixedly installed in the pipeline fixture, and described pipeline fixture is connected with described gripper shoe; Like this, can simplify the water inlet structure of described water injector, make described water injector have lower manufacturing cost.
In further technical scheme, described pipeline fixture can be fixed head, and described pipeline matches with the perforate of described fixed head.Can guarantee to have advantages of higher stability when described pipeline is sprayed water like this, not produce and rock.
In further technical scheme, described water injector is at least three closed conduits that are provided with described water inlet and described water jet, described closed conduit center line is parallel with described circular hole central axis, and fixedlys connected with the lower surface of described gripper shoe in its upper end; This structure is another structure of described water injector.
Description of drawings
A kind of schematic diagram of casting aluminium piston equipment water jetting cooler that Fig. 1 provides for the utility model embodiment;
A kind of water injector that Fig. 2 provides for the utility model embodiment and the schematic diagram that cooperates of cast aluminium piston;
The water injector that Fig. 3 provides for the utility model embodiment is the schematic top plan view of circulating line;
The water injector that Fig. 4 provides for the utility model embodiment is the schematic diagram of vertical closed conduit;
The schematic diagram of a kind of gripper shoe of the casting aluminium piston equipment water jetting cooler that provides is provided Fig. 5.
The specific embodiment
Core of the present utility model provides a kind of casting aluminium piston equipment water jetting cooler, this casting aluminium piston equipment water jetting cooler is provided with the gripper shoe with piston putting hole isolates cast aluminium piston skirt and cast aluminium top land, when the cast aluminium piston cools off fast, cooling water is difficult to contact with moulding salt core with piston ring carrier, prevented the immersion of piston ring carrier and piston matrix bonding place, significantly reduced the cracking of bonding place, improved the stability of piston ring carrier and piston matrix bonding place, significantly reduce the phenomenon that moulding salt core dissolves simultaneously, improved product quality.
In order to make those skilled in the art understand technical scheme provided by the utility model better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.For the convenience of describing, also introduced the description of cast aluminium piston.
Please refer to Fig. 1 and Fig. 2, a kind of schematic diagram of casting aluminium piston equipment water jetting cooler that Fig. 1 provides for the utility model embodiment; A kind of water injector that Fig. 2 provides for the utility model embodiment and the schematic diagram that cooperates of cast aluminium piston.
As shown in Figure 1, in the present embodiment, casting aluminium piston equipment water jetting cooler comprises gripper shoe 1 and is fixed on the water injector 2 of gripper shoe 1 below; Wherein, gripper shoe 1 is used for supporting the cast aluminium piston A that need cool off fast, gripper shoe 1 is provided with the piston putting hole 11 that on its thickness direction it is run through, piston putting hole 11 comprises the breach 111 of the circular hole 112 and the bar shaped of a side that is positioned at circular hole, circular hole 112 is connected with an end of breach 111, as shown in Figure 1; Water injector 2 is provided with water inlet, and has a plurality of water jets, and water inlet communicates with outer water tube, a plurality of water jets be distributed in piston putting hole 11 around, and respectively towards the central axis of circular hole 112.
When cast aluminium piston A is cooled off fast, cast aluminium piston A is positioned in the piston putting hole 11, the circular hole 112 that piston putting hole 11 is passed in the skirt section of cast aluminium piston A arrives in the water injectors 2 in the residing ring of water jet, and piston ring carrier 4 cooperates the fixed-site with cast aluminium piston A with circular hole 112; The piston cast gate of cast aluminium piston A places breach 111; Gripper shoe 1 separates with cooperate the skirt section and the top with cast aluminium piston A of circular hole 112 by piston ring carrier 4, and cooling water sprays from the water jet of water injector 2, is sprayed on the skirt section of cast aluminium piston A, and cast aluminium piston A can directly not be in the cooling water; And, because cast aluminium piston A temperature is very high, after cooling water is sprayed on cast aluminium piston A skirt section, a part of cooling water direct boiling, another part cooling water can flow away fast owing to the reason of gravity; Simultaneously because the barrier of gripper shoe 1, cooling water can't contact with the top of cast aluminium piston A, can prevent that the globule that splashes from entering the bonding part of piston ring carrier 4 and cast aluminium piston A aluminum substrate, and then can prevent bonding part immersion phenomenon, improve the stability of both bonding places; Simultaneously can also prevent that the globule that splashes from contacting with moulding salt core, avoid moulding salt core to dissolve, and then reduce, to improve the quality of casting aluminium piston because of moulding salt core dissolves the corrosion that the cast aluminium piston is caused.
Please refer to Fig. 5, the schematic diagram of a kind of gripper shoe of the casting aluminium piston equipment water jetting cooler that provides is provided Fig. 5.
On the basis of technique scheme, the opening of the other end of the breach 111 of piston putting hole 11 is positioned at the side of gripper shoe 1, and as described in Figure 5, promptly breach 111 is connected the circular hole 112 and the outer rim of gripper shoe 1.This makes that the placement of cast aluminium piston A is more convenient when cast aluminium piston A is cooled off fast; Simultaneously, casting aluminium piston equipment water jetting cooler of the present utility model is when producing, and the size of its gripper shoe 1 is less, makes it have lower production cost.
Further, the casting aluminium piston equipment water jetting cooler that the utility model provides, its water injector 2 can be made of nozzle, and nozzle is provided with water jet, and the water inlet of nozzle directly communicates with outer water tube; Also be provided with the nozzle fixed head in the water injector 2, the nozzle fixed head is fixedlyed connected with gripper shoe, and nozzle can be fixed in the nozzle fixing hole by modes such as welding.
In casting aluminium piston equipment water jetting cooler, because each described nozzle all is independently, the distributing position of each nozzle is not subjected to the influence of other nozzle locations, and the position of nozzle can omnibearingly be arranged like this; The position that casting aluminium piston equipment water jetting cooler is sprayed water when cast aluminium piston A is cooled off fast is more even; And, nozzle can also dismountablely be connected with the nozzle fixed head, simultaneously can be provided with a plurality of nozzle fixing holes that are used for fixing nozzle on the nozzle fixed head, the position of nozzle can be carried out the position adjustment as required, satisfies the needs of the casting aluminium piston of the dissimilar or model of more coolings.
Please refer to Fig. 2 and Fig. 3, a kind of water injector that Fig. 2 provides for the utility model embodiment and the schematic diagram that cooperates of cast aluminium piston; The water injector that Fig. 3 provides for the utility model embodiment is the schematic top plan view of circulating line.
On the basis of technique scheme, in the casting aluminium piston equipment water jetting cooler that the utility model provides, water injector 2 can also be at least one pipeline 23 that distributes along piston putting hole 11 outer rims, pipeline 23 can form annular channel, and the inside diameter of the annular channel of formation is greater than the diameter of circular hole 112; The inboard of the annular that pipeline 23 is formed is provided with water jet 22, and arranged outside has water inlet joint 21, and outer water tube links to each other with water inlet joint 21, the closed at both ends of pipeline 23; Water injector 2 also comprises pipeline fixture 3, and pipeline 23 is fixedly installed in the pipeline fixture, and pipeline fixture 3 is connected with gripper shoe 1.When cast aluminium piston A is cooled off fast, cooling water enters pipeline 23 by the water inlet joint 21 that is arranged at pipeline 23, because the closed at both ends of pipeline 23, cooling water in the pipeline 23 has bigger pressure, so cooling water can only be by 22 ejections of the water jet on the pipeline 23, cooling water is injected in the skirt section of cast aluminium piston A, and the part cooling water is owing to the very high direct boiling of temperature of cast aluminium piston A, and another part cooling water flows away owing to the gravity effect.Water injector adopts circulating line can make the structure that the utlity model has simplification, and the injection of cooling water is more even, can play good cooling effect; And more above-mentioned nozzle arrangements, also have lower production cost.
The pipeline fixture 3 of the foregoing description can be fixedlyed connected with gripper shoe 1, the stability the during use that is beneficial to cast aluminium piston equipment water jetting cooler; Can also be convenient to mobile carrying of casting aluminium piston equipment water jetting cooler etc. by positioner and 1 dismountable connection of gripper shoe; As welding alignment pin on pipeline fixture 3, the position of gripper shoe 1 correspondence is provided with locating hole, during installation the alignment pin of pipeline fixture 3 is inserted in the locating hole of gripper shoe 1 to get final product.
Further, pipeline 23 also can be fixedlyed connected with pipeline fixture 3, and its fixed form has a variety ofly, as welding, also can pass through connections such as bolt, buckle, as long as make pipeline 23 have good stable when spraying cooling water.
Further, pipeline fixture 3 can be specially fixed head.Can be provided with on the fixed head and the corresponding perforate of the cross section of pipeline 23, pipeline 23 is fixedlyed connected with fixed head in perforate; Can also directly pipeline 23 be welded on the fixed head; Simultaneously pipeline fixture 3 can also be for round steel etc., supports and fixation as long as can play.
Simultaneously, in the water injector 2, pipeline 23 can be pipe, also can be square tube, flat tube etc., and corresponding, the perforate on the pipeline fixed head can be for various, and as square hole, circular hole etc. repeat no more here; And the quantity of pipeline 23 can be one, can also be for a plurality of, and concrete quantity can be decided as the case may be.
In addition, the shape of the water jet 22 that pipeline 23 is provided with is preferably circle, and its diameter is not limit, and distributing position evenly gets final product substantially; The shape of water jet 22 can also can also be non-standard shapes for geometric figure shapes such as square, triangles, perhaps its to be set to the finedraw shape also passable, as long as can evenly spray, play favorable cooling effect and get final product.
Please refer to Fig. 4, the water injector that Fig. 4 provides for the utility model embodiment is the schematic diagram of vertical closed conduit.
Further, the water injector 2 of casting aluminium piston equipment water jetting cooler can also be at least three sealed at both ends closed conduits 24, closed conduit 24 is provided with water jet 22 and pipe water device 21, and the center line of closed conduit 24 is parallel with the central axis of circular hole 112; The lower surface of the upper end of closed conduit 24 and gripper shoe 1 is fixing to be connected; Water jet 22 is towards the central axis of circular hole 112, being connected and can realizing by the mode of welding between closed conduit 24 and the gripper shoe 1.During work, its flow process is identical with circulating line, repeats no more here.
Further, vertically closed conduit 24 can be pipe, can also be square tube; And its water jet shape repeats no more here with above-mentioned technical scheme.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a casting aluminium piston equipment water jetting cooler is characterized in that, comprises gripper shoe and the water injector that is fixed on described gripper shoe below;
Described gripper shoe is provided with the piston putting hole that on its thickness direction it is run through, and described piston putting hole comprises circular hole and be positioned at the breach of the strip of circular hole one side that described circular hole links to each other with an end of described breach;
Described water injector is provided with water inlet, and has a plurality of water jets; Described water inlet communicates with outer water tube, and a plurality of described water jets are distributed in around the described piston putting hole, and respectively towards the central axis of described circular hole.
2. casting aluminium piston equipment water jetting cooler according to claim 1 is characterized in that the opening of the other end of described breach is positioned at the side of described gripper shoe.
3. casting aluminium piston equipment water jetting cooler according to claim 1 and 2 is characterized in that described water injector comprises nozzle, and described nozzle is provided with water jet; Also comprise the nozzle fixed head, described nozzle fixed head is fixedlyed connected with described gripper shoe; Described nozzle is fixed in the nozzle fixing hole of described nozzle fixed head.
4. casting aluminium piston equipment water jetting cooler according to claim 1 and 2 is characterized in that, described water injector comprises the pipeline that at least one extends along described piston putting hole edge, and described pipeline is provided with water jet and water inlet; Described pipeline is connected with described gripper shoe by the pipeline fixture.
5. casting aluminium piston equipment water jetting cooler according to claim 4 is characterized in that, described pipe water interruption-forming admitting pipe joint, and described admitting pipe joint and outer water tube are joined.
6. casting aluminium piston equipment water jetting cooler according to claim 4 is characterized in that described pipeline is a pipe.
7. casting aluminium piston equipment water jetting cooler according to claim 4 is characterized in that described pipeline fixture is a fixed head, and described pipeline matches with the perforate of described fixed head.
8. casting aluminium piston equipment water jetting cooler according to claim 4 is characterized in that, the connected mode of described pipeline fixture and described gripper shoe is welding.
9. according to each described casting aluminium piston equipment water jetting cooler of claim 5-8, it is characterized in that described water jet is the circular port that is arranged on the described pipeline.
10. casting aluminium piston equipment water jetting cooler according to claim 1 and 2 is characterized in that described water injector is at least three closed conduits with described water inlet and water jet; Described closed conduit center line is parallel with the central axis of described circular hole, and fixedlys connected with the lower surface of described gripper shoe in the upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020690765XU CN201931073U (en) | 2010-12-30 | 2010-12-30 | Cast aluminum piston water spray cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020690765XU CN201931073U (en) | 2010-12-30 | 2010-12-30 | Cast aluminum piston water spray cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201931073U true CN201931073U (en) | 2011-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020690765XU Expired - Fee Related CN201931073U (en) | 2010-12-30 | 2010-12-30 | Cast aluminum piston water spray cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201931073U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485190A (en) * | 2020-06-05 | 2020-08-04 | 肇庆本田金属有限公司 | Method and device for reducing poor bonding of ring-inlaid piston |
| CN113084382A (en) * | 2021-04-08 | 2021-07-09 | 湖南江滨机器（集团）有限责任公司 | Piston machining method and tool for piston machining |
-
2010
- 2010-12-30 CN CN201020690765XU patent/CN201931073U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485190A (en) * | 2020-06-05 | 2020-08-04 | 肇庆本田金属有限公司 | Method and device for reducing poor bonding of ring-inlaid piston |
| CN113084382A (en) * | 2021-04-08 | 2021-07-09 | 湖南江滨机器（集团）有限责任公司 | Piston machining method and tool for piston machining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 Termination date: 20171230 |