CN203061833U - Special-shaped pulling core die of fuel injection pump box body - Google Patents
Special-shaped pulling core die of fuel injection pump box body Download PDFInfo
- Publication number
- CN203061833U CN203061833U CN 201220683650 CN201220683650U CN203061833U CN 203061833 U CN203061833 U CN 203061833U CN 201220683650 CN201220683650 CN 201220683650 CN 201220683650 U CN201220683650 U CN 201220683650U CN 203061833 U CN203061833 U CN 203061833U
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- injection pump
- die
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Abstract
The utility model belongs to the field of automobile fuel injection pump manufacturing, and particularly relates to a die of a fuel injection pump intersected pulling core. The die of the fuel injection pump intersected pulling core comprises a die core, a die frame, a sliding block and the pulling core all of which are connected in sequence, and the basic structure of the die is formed. The die core is connected with the sliding block, and a pipe piece mold core is placed on the sliding block in a matched mode and is of a cylindrical structure. An existing oil pipe structure is of a special-shaped structure, so that when cast, an original pipe piece mold core is machined to be of a special-shaped structure. But when the pipe piece mold core is machined, a special hole in the sliding block is not conveniently machined to be matched with the special-shaped mold core, much time is wasted, yield is not stable, and production efficiency is not high. At the same time, in the process of casting, aluminum water permeates into the mold core easily to cause a fact that the special-shaped mold core is often maintained, and the special-shaped mold core is not replaced conveniently. The original special-shaped pipe piece mold core is designed to be of the cylindrical structure, the pipe piece mold core comprises a matching section and an air eliminating section, the cylindrical pipe piece mold core is manufactured conveniently and assembled easily, the production efficiency of a product is improved, product percentage of pass is improved, and the cylindrical pipe piece mold core is maintained conveniently.
Description
Technical field
The utility model belongs to the automobile injection pump and makes the field, is specifically related to a kind of die casting of injection pump casing.
Background technology
In the aluminum alloy die casting of some car engine box bodies; have some special special-shaped parts in its design of part; in the die casting design; if with the core designs of these special-shaped parts on dynamic model or cover half; can't realize depanning, and the core of these special-shaped parts can't be designed to the slide block structure of loosing core.At this class part, can not adopt the mode of die casting to produce in the prior art.But based on product lightweight, high integrated and high performance requirement, the structure of part and shape are more and more complicated in recent years, and quality requirement is more and more high.The aluminium alloy part of the engine housing of using as some automobiles, for parts poor rigidity, the yielding problem after reducing welding sequence and avoiding welding, new design usually is designed to a part with several former parts are integrated, requires by the forging type direct forming; So the part that can not utilize the die casting mode to produce described in aforementioned just occurs in a large number, levies this class part if adopt traditional die casting mode to produce, and defectives such as product percent of pass is low, production efficiency is low, production cost height will occur.
The utility model content
The utility model provides a kind of mould when being convenient to that special-shaped part die casting is loosed core in the injection pump, and this mould of loosing core has product percent of pass height, production efficiency height, cost-effective advantage.
In order to solve the problems of the technologies described above, the utility model provides following technical scheme: the injection pump casing abnormity mould of loosing core, comprise successively the core rod that connects, framed, slide block, loose core, core rod connects slide block, manufactures the pipe fitting core on the slide block, and described pipe fitting core is cylindrical structural, the pipe fitting core comprises cooperation section and the section of cooling down, cooperate an end of section to be connected with core rod, its other end is tightly connected with the section of cooling down, and connects the structure of loosing core around the core rod respectively.
Adopt technique scheme, in the utility model, the injection pump casing abnormity mould of loosing core comprises successively the core rod that connects, framed, slide block, loose core, this is the basic structure of mould, core rod connects slide block, manufacture the pipe fitting core on the slide block, described pipe fitting core is cylindrical structural, because the vitta structure here is polymorphic structure, when die casting, also made polymorphic structure so pipe fitting core in the past is polymorphic structure, but polymorphic structure when making, irregularly-shaped hole and special-shaped core are inconvenient to manufacture on the slide block, consuming time longer, output instability, production efficiency are not high, simultaneously in the process of die casting, the inside of core is infiltrated aluminium water easily and is caused the often maintenance of special-shaped core needs, changes inconvenience very.In the utility model, originally special-shaped pipe fitting core is made cylindrical structural, the pipe fitting core comprises cooperation section and the section of cooling down, columniform pipe fitting core production is convenient, manufacture simple, originally make a special piece core and need 8 day time, only need 5 day time now, improve production efficient, improved product percent of pass, and easy to maintenance, the cylindrical tube core is divided into and cooperates section and the section of cooling down, the junction, two ends is overlapping to closely cooperate, and the sealing of whole cylindrical tube core is strengthened, and avoids occurring the inner phenomenon of infiltrating aluminium water of core.Behind the casing die cast, more as required, columniform fitting structure is processed into shape, the structure that we need.
Further, described cooperation section and the section of cooling down interference fit, whole like this cylindrical tube core cooperates closelyr.
Further, according to needs and the actual condition of production of processing, the length of described cooperation section is 50～80mm.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Fig. 1 is the loose core structural representation of mould of the utility model injection pump casing abnormity.
The specific embodiment
As shown in Figure 1: the injection pump casing abnormity mould of loosing core, comprise successively the core rod 1 that connects, framed 2, slide block 3, loose core 4, core rod 1 connects slide block 3, manufactures pipe fitting core 5 on the slide block 3, and described pipe fitting core 5 is cylindrical structural, pipe fitting core 5 comprises cooperation section 6 and the section of cooling down 7, cooperate an end of section 6 to be connected with core rod 1, its other end is tightly connected with the section of cooling down 7, cooperates section 6 and the section of cooling down 7 interference fit, cooperating the length of section 6 is 50～80mm, connects 4 structures of loosing core around the core rod 1 respectively.
In the present embodiment, the injection pump casing abnormity mould of loosing core comprises successively the core rod 1 that connects, framed 2, slide block 3, loose core 4, core rod 1 connects slide block 3, manufacture pipe fitting core 5 on the slide block 3, described pipe fitting core 5 is cylindrical structural, because the vitta structure here is polymorphic structure, so pipe fitting core 5 has in the past also been made polymorphic structure for polymorphic structure core when die casting, but polymorphic structure is when making, irregularly-shaped hole and special-shaped core are inconvenient to manufacture on the slide block 3, consuming time longer, output instability, production efficiency are not high, simultaneously in the process of die casting, the inside of pipe fitting core 5 cores is infiltrated aluminium water easily and is caused the often maintenance of pipe fitting core 5 needs, changes inconvenience very.In the utility model, originally special-shaped pipe fitting core 5 is made cylindrical structural, pipe fitting core 5 comprises cooperation section 6 and the section of cooling down 7, columniform pipe fitting core 5 is easy to make, manufacture simple, originally make a special piece core 5 and need eight day time, only need five day time now, improve production efficient, improved product percent of pass, and easy to maintenance, cylindrical tube core 5 is divided into and cooperates section 6 and the section of cooling down 7, the junction, two ends is overlapping to closely cooperate, and the sealing of whole cylindrical tube core 5 is strengthened, and avoids occurring the inner phenomenon of infiltrating aluminium water of core.
Above-described only is preferred embodiment of the present utility model; should be understood that; for a person skilled in the art; under the prerequisite that does not break away from the utility model structure; can also make some distortion and improvement; these also should be considered as protection domain of the present utility model, and these can not influence effect and practical applicability that the utility model is implemented.
Claims (3)
1. the injection pump casing abnormity mould of loosing core, comprise successively the core rod that connects, framed, slide block, loose core, core rod connects slide block, manufacture the pipe fitting core on the slide block, it is characterized in that: described pipe fitting core is cylindrical structural, and the pipe fitting core comprises cooperation section and the section of cooling down, and cooperates an end of section to be connected with core rod, its other end is tightly connected with the section of cooling down, and connects the structure of loosing core around the core rod respectively.
2. the injection pump casing abnormity according to claim 1 mould of loosing core is characterized in that: described cooperation section and the section of cooling down interference fit.
3. the injection pump casing abnormity according to claim 1 mould of loosing core is characterized in that: described to cooperate the length of section be 50～80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220683650 CN203061833U (en) | 2012-12-12 | 2012-12-12 | Special-shaped pulling core die of fuel injection pump box body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220683650 CN203061833U (en) | 2012-12-12 | 2012-12-12 | Special-shaped pulling core die of fuel injection pump box body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203061833U true CN203061833U (en) | 2013-07-17 |
Family
ID=48760659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220683650 Expired - Fee Related CN203061833U (en) | 2012-12-12 | 2012-12-12 | Special-shaped pulling core die of fuel injection pump box body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203061833U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103100687A (en) * | 2012-12-12 | 2013-05-15 | 重庆百吉四兴压铸有限公司 | Fuel injection pump box abnormity loose core die |
-
2012
- 2012-12-12 CN CN 201220683650 patent/CN203061833U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103100687A (en) * | 2012-12-12 | 2013-05-15 | 重庆百吉四兴压铸有限公司 | Fuel injection pump box abnormity loose core die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20131212 |