CN204603269U - A kind of die casting compression assemblies with refrigerating function - Google Patents
A kind of die casting compression assemblies with refrigerating function Download PDFInfo
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- CN204603269U CN204603269U CN201520264888.XU CN201520264888U CN204603269U CN 204603269 U CN204603269 U CN 204603269U CN 201520264888 U CN201520264888 U CN 201520264888U CN 204603269 U CN204603269 U CN 204603269U
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- refrigerating function
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Abstract
The utility model discloses a kind of die casting compression assemblies with refrigerating function, comprise: pressing mechanism, it has hydraulic pump, connecting rod and extruding core, is provided with a piston and the first piston bar be connected with described piston two ends respectively and the second piston rod in described hydraulic pump; Cooling body, it has water inlet, delivery port and cooling tube, and described cooling tube runs through the center of described first piston bar, described piston, described second piston rod and described connecting rod successively, and extends to the inside of extruding core.Squeezed fluid cylinder pressure in the utility model is designed to piston rod hollow, cooling body is made to run through wherein, and through connecting rod extends to extrusion pressing type core inner, all effective cooling can be carried out to pressing mechanism and core, not only ensure that the size of pressing mechanism can not be subject to temperature impact, improve the stability of whole pressing mechanism action, and core have also been obtained cooling, maintain accuracy and the stability of product size, further improve the quality of product.
Description
Technical field
The utility model relates to die casting field, particularly a kind of die casting compression assemblies with refrigerating function.
Background technology
Die casting General Requirements die casting wall thickness is even as far as possible, otherwise after metal bath fills type, become in the Phase change shrinkage process of solid phase by liquid phase, die casting cools from outside to inside, when casting section thickness is larger, and inner easily generation shrinkage cavity shrinkage porosity phenomenon.Along with the demand of high-performance, high quality casting, in casting solidification process, generally carry out pressurized by squeezed fluid press pump and eliminate shrinkage porosity defect of contraction cavity to force feeding.
In pressurized process, in order to ensure service life of pressing mechanism, the stability of pressing mechanism size and the quality of extruded parts, need to cool pressing mechanism.Many by arranging that water pipe cools in pressing mechanism surrounding at present, but due to the ejecting structure of product relative complex, the space of water route design is inherently limited, this just further increases the complexity of Design of Dies, or extrusion structure is owing to designing unreasonable in water route, do not obtain good cooling and cause shaping after-contraction serious, cannot ensure the quality of products.
Utility model content
An object of the present utility model solves at least the problems referred to above and/or defect, and provide the advantage will illustrated at least below.
A further object of the invention is to provide a kind of die casting compression assemblies with refrigerating function, wherein the design of hydraulic pump of die casting pressing mechanism becomes piston rod hollow, described cooling body runs through described piston rod, and through connecting rod extends to extrusion pressing type core inner, effectively can cool pressing mechanism and core, and can not produce with other parts of mould and interfere.
In order to realize, according to these objects of the present invention and other advantages, providing a kind of die casting compression assemblies with refrigerating function, comprising:
Pressing mechanism, it has hydraulic pump, connecting rod and extruding core, is provided with a piston and the first piston bar be connected with described piston two ends respectively and the second piston rod in described hydraulic pump;
Cooling body, it has water inlet, delivery port and cooling tube, and described cooling tube runs through the center of described first piston bar, described piston, described second piston rod and described connecting rod successively, and extends to the inside of described extruding core.
Preferably, wherein, also comprise fixator, its one end is connected to described cooling body, the other end is connected to described first piston bar, in order to by cooling body reliably fixing on the piston rod, ensure being synchronized with the movement of itself and piston rod, prevent cooling body to be separated with extruding core, cooling water reduces cooling effect due to leakage.
Preferably, wherein, described cooling tube comprises in cooling the cooling outer tube managed and be sheathed in described cooling outside pipe, and in described cooling, pipe is connected with described water inlet, and the gap between described cooling outer tube with pipe in described cooling is connected with described delivery port.When cooling body valve opening, cooling water flows into from water inlet, flow at the bottom of pipe along pipe in cooling, spray from cooling inner spout, flow to the product wall needing to cool respectively around, then continue to flow back into the gap in cooling outer tube and cooling between pipe, flow out from delivery port, complete a cool cycles.
Preferably, wherein, described extruding core cross section is bow-shaped structural, in order to guarantee the stable of described extruding core when described cooling tube screws in.
Preferably, wherein, the external diameter of described cooling tube is 1: 1.9 ~ 1: 2.8 with the ratio in the bar footpath of described first piston bar, described second piston rod, in the middle of piston rod, the diameter of through hole can not be too large, no can affect piston rod extruding the course of work desirable strength, product can not get enough feeding pressure, affects product quality; But piston rod through hole diameter can not be too little.Otherwise can affect cooling effect, owing to effectively not cooled, the precision of its size and stability are affected product.
Preferably, wherein, in described cooling, the external diameter of pipe is 1: 2.1 ~ 1: 2.5 with the ratio of described extruding core external diameter, in order to ensure that product can obtain good feeding pressure, can obtain good cooling again, improve production efficiency and product quality.
Preferably, wherein, be also slidably connected outside described extruding core core cover, in order to protect described extruding core, prevents owing to being provided with blind hole, and extruding core strength declines and ruptures.
The present invention at least comprises following beneficial effect:
(1) the squeezed fluid cylinder pressure in the utility model is designed to piston rod hollow, cooling body can be run through wherein, and through connecting rod extends to extrusion pressing type core inner, all effectively can cool pressing mechanism and core, not only ensure that the size of pressing mechanism can not be subject to temperature impact, improve the stability of whole pressing mechanism action, and extruding core have also been obtained cooling, maintain accuracy and the stability of product size, further improve the quality of product;
(2) extruding core of the present utility model is also designed with location spline structure, prevents core from rotating, and is beneficial to cooling body and screws in;
(3) the utility model is also provided with core cover for the core being designed with blind hole, in order to protect core, prevents extruding core from rupturing because intensity behind increase cooling duct, center declines;
(4) the medium-sized core retainer plate of the utility model and core are split-type structural, be easy to processing and mounting or dismounting maintenance, and core cover is easy to process high-precision hole as one-piece part, ensures there is rational gap between extruding core and hole, guarantee that core moves smoothly smooth and easy;
(5) the utility model is by cooling in pressing mechanism inside, and volume is little, structure is simple, be easy to dismounting, cleaning and maintenance, and can not produce with other parts of mould and interfere.
Other advantage of the present utility model, target and characteristic are embodied by explanation below, part also will by research and practice of the present invention by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the schematic diagram with the die casting compression assemblies of refrigerating function described in the utility model;
Fig. 2 is the sectional side view with the die casting compression assemblies of refrigerating function described in the utility model;
Fig. 3 is the schematic diagram that cooling body described in the utility model and extruding core coordinate;
Fig. 4 is the schematic diagram of extruding core described in the utility model;
Fig. 5 is the right view of extruding core described in the utility model.
In figure: 1, hydraulic pump, 2, connecting rod, 3, extruding core, 4, cooling body, 5, fixator, 6, core cover, 11, piston, 12, first piston bar, the 13, second piston rod, 41, water inlet, 42, delivery port, 43, cooling tube, 431, pipe in cooling, 432, cooling outer tube.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to description word to make those skilled in the art.
Such as " have " it is to be appreciated that used herein, other element one or more do not allotted in " comprising " and " comprising " term or its combination existence or interpolation.
Fig. 1, Fig. 2 show according to a kind of way of realization of the present invention, and it comprises:
Pressing mechanism, it has hydraulic pump 1, connecting rod 2 and extruding core 3, a piston 11 and the first piston bar 12 be connected with described piston two ends respectively and the second piston rod 13 is provided with in described hydraulic pump 1, the effect of this component is by applying pressure to the semi-solid-state metal liquid in die cavity, and keep certain hour, again extruding core 3 is extracted out after making it solidify completely, improve the compactness of interiors of products;
Cooling body 4, it has water inlet 41, delivery port 42 and cooling tube 43, described cooling tube 43 runs through the center of described first piston bar 12, described piston 11, described second piston rod 13 and described connecting rod 2 successively, and extend to the inside of described extruding core 3, the effect of this component cools pressing mechanism, ensure the stability of pressing mechanism size, and by cooling extruding core, prevent the after-contraction of product to be out of shape.
In this technical scheme, cooling-water machine (not shown) is opened, cooling body 4 valve open, cooling water pumps into water inlet 41 by cooling-water machine (not shown), flow at the bottom of cooling tube 43 pipe through first piston bar 12, piston 11, second piston rod 13, connecting rod 2 and extruding core 3 respectively along cooling tube 43, flow to the product wall needing to cool respectively around, then cooling-water machine (not shown) is flowed back to from delivery port 42, complete a cool cycles, by the continuous circulation of cooling water, good cooling is carried out to pressing mechanism and product.
In another example, as shown in Figure 1, fixator 5 is also provided with between cooling body 4 and first piston bar 12, its one end is connected to described cooling body 4 top, the other end is connected to the side of described first piston bar 12, in order to by cooling body 4 reliably fixing on the piston rod, ensure being synchronized with the movement of itself and piston rod, prevent cooling body 4 to be separated with extruding core 3, cooling water reduces cooling effect due to leakage.Further, this mode is a kind of explanation of preferred embodiments, but is not limited thereto.When implementing of the present invention, different enforcement aspects can be carried out according to the real needs of user.
A kind of embodiment of the cooling body in such scheme is: as shown in Figure 2 and Figure 3, the cooling outer tube 432 that described cooling tube 43 comprises the interior pipe 431 of cooling and is sheathed in described cooling outside pipe 431, in described cooling, pipe 431 is connected with described water inlet 41, and the gap between described cooling outer tube 432 with pipe 431 in described cooling is connected with described delivery port 42.Adopt this scheme to cool more even, the cooling effectiveness of cooling water is higher, is especially beneficial to the cooling compared with long core.Its working method is: cooling-water machine (not shown) is opened, cooling body valve open, cooling water flow at the bottom of pipe along pipe 431 in cooling, ejection pipe 431 mouthfuls in cooling, flows to the product wall needing to cool respectively around, then continues to flow back into the gap in cooling outer tube 432 and cooling between pipe 431, cooling-water machine (not shown) is flowed back to from delivery port 42, complete a cool cycles, by the continuous circulation of cooling water, good cooling has been carried out to pressing mechanism and product.
A kind of embodiment extruding core in such scheme is: as shown in Figure 4 and Figure 5, the cylindrical outer surface of described extruding core 3 is processed with a plane, its cross section is bow-shaped structural, in order to position spline to extruding core 3, is beneficial to the smooth screw-in of described cooling tube.
In such scheme, a kind of implementation of piston rod is: the external diameter of described cooling tube 43 is 1: 1.9 ~ 1: 2.8 with the ratio in the bar footpath of described first piston bar 12, second piston rod 13, while guarantee piston cylinder working strength, ensure cooling effect.
A kind of implementation extruding core 3 in such scheme is: in described cooling, the external diameter of pipe 431 is 1: 2.1 ~ 1: 2.5 with the ratio of described extruding core 3 external diameter, while guarantee core working strength, ensure cooling effect.
Extruding a kind of implementation that core 13 improves its working strength in such scheme is: as shown in Figure 2; the core that has also been slidably connected outside described extruding core 3 cover 6; in order to protect described extruding core 3, prevent its because of center be provided with cooling duct after intensity decline and there is phenomenon of rupture.
Here the number of devices illustrated and treatment scale are used to simplify explanation of the present invention.The application having a die casting compression assemblies of refrigerating function to of the present invention, modifications and variations will be readily apparent to persons skilled in the art.
As mentioned above, according to the utility model, because squeezed fluid cylinder pressure is designed to piston rod hollow, cooling body can be run through wherein, and through connecting rod extends to extrusion pressing type core inner, thus all effectively can cool pressing mechanism and core, ensure that the size of pressing mechanism can not be subject to temperature impact, ensure that the stability of whole pressing mechanism action, and core have also been obtained effective cooling, reduce cool time, improve production efficiency, the product size finally obtained is accurate, stable, interior solid, ungauged regions defect, product quality obtains and significantly improves,
In addition, extruding core of the present utility model is also designed with location spline structure, prevents extruding core from rotating, is beneficial to cooling body and screws in;
In addition, the utility model is also provided with core cover for the core being designed with blind hole, in order to protect core, prevents extruding core from rupturing because intensity behind increase cooling duct, center declines;
In addition, the medium-sized core retainer plate of the utility model and core are split-type structural, be easy to processing and mounting or dismounting maintenance, and core cover are easy to process high-precision hole as one-piece part, ensure there is rational gap between extruding core and hole, guarantee that core moves smoothly smooth and easy;
In addition, the utility model is by cooling in pressing mechanism inside, and volume is little, structure is simple, be easy to dismounting, cleaning and maintenance, and can not produce with other parts of mould and interfere.
Although embodiment of the present utility model is open as above, but it is not limited in listed in description and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (7)
1. there is a die casting compression assemblies for refrigerating function, it is characterized in that, comprising:
Pressing mechanism, it has hydraulic pump, connecting rod and extruding core, is provided with a piston and the first piston bar be connected with described piston two ends respectively and the second piston rod in described hydraulic pump;
Cooling body, it has water inlet, delivery port and cooling tube, and described cooling tube runs through the center of described first piston bar, described piston, described second piston rod and described connecting rod successively, and extends to the inside of described extruding core.
2. have the die casting compression assemblies of refrigerating function as claimed in claim 1, it is characterized in that, also comprise fixator, its one end is connected to described cooling body, and the other end is connected to described first piston bar.
3. there is the die casting compression assemblies of refrigerating function as claimed in claim 1, it is characterized in that, described cooling tube comprises in cooling the cooling outer tube managed and be sheathed in described cooling outside pipe, in described cooling, pipe is connected with described water inlet, and the gap between described cooling outer tube with pipe in described cooling is connected with described delivery port.
4. have the die casting compression assemblies of refrigerating function as claimed in claim 3, it is characterized in that, the cross section of described extruding core is bow-shaped structural, in order to guarantee the stable of described extruding core when described cooling tube screws in.
5. have the die casting compression assemblies of refrigerating function as claimed in claim 1, it is characterized in that, the external diameter of described cooling tube is 1: 1.9 ~ 1: 2.8 with the ratio in the bar footpath of described first piston bar, described second piston rod.
6. have the die casting compression assemblies of refrigerating function as claimed in claim 3, it is characterized in that, in described cooling, the external diameter of pipe is 1: 2.1 ~ 1: 2.5 with the ratio of the external diameter of described extruding core.
7. have the die casting compression assemblies of refrigerating function as claimed in claim 1, it is characterized in that, be also slidably connected outside described extruding core core cover, in order to protect described extruding core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520264888.XU CN204603269U (en) | 2015-04-28 | 2015-04-28 | A kind of die casting compression assemblies with refrigerating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520264888.XU CN204603269U (en) | 2015-04-28 | 2015-04-28 | A kind of die casting compression assemblies with refrigerating function |
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| Publication Number | Publication Date |
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| CN204603269U true CN204603269U (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520264888.XU Expired - Fee Related CN204603269U (en) | 2015-04-28 | 2015-04-28 | A kind of die casting compression assemblies with refrigerating function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108580840A (en) * | 2018-06-25 | 2018-09-28 | 上海东岩机械股份有限公司 | A kind of local extrusion device of die casting |
| CN109047709A (en) * | 2018-08-22 | 2018-12-21 | 苏州广型模具有限公司 | A kind of die casting with novel cooling fortune water |
| CN111230047A (en) * | 2018-11-28 | 2020-06-05 | 株式会社日立制作所 | Combined mold core |
| CN112935217A (en) * | 2021-01-28 | 2021-06-11 | 台山市中镁科技有限公司 | Magnesium alloy bicycle frame integral forming core-pulling process |
-
2015
- 2015-04-28 CN CN201520264888.XU patent/CN204603269U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108580840A (en) * | 2018-06-25 | 2018-09-28 | 上海东岩机械股份有限公司 | A kind of local extrusion device of die casting |
| CN108580840B (en) * | 2018-06-25 | 2024-05-24 | 上海东岩机械股份有限公司 | Local extrusion device of die casting die |
| CN109047709A (en) * | 2018-08-22 | 2018-12-21 | 苏州广型模具有限公司 | A kind of die casting with novel cooling fortune water |
| CN111230047A (en) * | 2018-11-28 | 2020-06-05 | 株式会社日立制作所 | Combined mold core |
| CN111230047B (en) * | 2018-11-28 | 2022-06-14 | 株式会社日立制作所 | Combined mold core |
| CN112935217A (en) * | 2021-01-28 | 2021-06-11 | 台山市中镁科技有限公司 | Magnesium alloy bicycle frame integral forming core-pulling process |
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| 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: 20150902 Termination date: 20210428 |