CN211251151U - Lower die core structure of injection mold for automobile air conditioner circulating air door connecting rod - Google Patents
Lower die core structure of injection mold for automobile air conditioner circulating air door connecting rod Download PDFInfo
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- CN211251151U CN211251151U CN201921828801.1U CN201921828801U CN211251151U CN 211251151 U CN211251151 U CN 211251151U CN 201921828801 U CN201921828801 U CN 201921828801U CN 211251151 U CN211251151 U CN 211251151U
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- connecting rod
- air conditioner
- lower die
- air door
- die core
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Abstract
The utility model provides a lower mold core structure of vehicle air conditioner circulation air door connecting rod injection mold, including lower mold core, be equipped with a plurality of shaping region on lower mold core, be equipped with one respectively in every shaping region with the middle cell shape matched with of vehicle air conditioner circulation air door connecting rod protruding in the middle of, set up the cartridge hole in the lower mold core at middle protruding both ends, the downthehole cartridge of cartridge has fixed sleeve, the fixed sleeve top extends the outer drum-shaped arch that forms the matched with of the cell shape of vehicle air conditioner circulation air door connecting rod of forming of lower mold core, movable mounting has the ejector pin in the fixed sleeve. Reasonable in design, processing is easy, has reduced the requirement to the cutter, has shortened mould processing cycle, has reduced mould processing cost, and the product drawing of patterns is easy, has avoided damaging the product.
Description
The technical field is as follows:
the utility model relates to a vehicle air conditioner circulation air door connecting rod injection mold's lower mould core structure.
Background art:
at present, the structure of a circulating air door connecting rod of an automobile air conditioner is shown in figure 1, and comprises an air door connecting rod body 1, drum-shaped groove cavities 2 are respectively arranged in two ends of the air door connecting rod body, a middle groove cavity 3 is also arranged between the two drum-shaped groove cavities 2, the distance between the drum-shaped groove cavity 2 and the middle groove cavity 3 is very small and is only 2-3mm approximately, two drum-shaped bulges matched with the drum-shaped groove cavity in shape and a middle bulge matched with the middle groove cavity in shape need to be processed on a lower mold core in the process of manufacturing a mold, the distance between the two drum-shaped bulges and the middle bulge is very small and irregular in shape, the selection requirement on a cutter during processing is very high, the cutter feeding difficulty is large, the processing difficulty is high, the cutter can be damaged slightly by mistake, and the design and processing period and cost of; in addition, after the drum-shaped groove cavity of the connecting rod of the automobile air conditioner circulating air door is molded by the drum-shaped bulge, an inverted buckle structure is formed, the product is difficult to demould, the product is easy to damage, and the technical problem to be solved in the industry is solved urgently.
The utility model has the following contents:
the utility model discloses a remedy prior art not enough, provide a vehicle air conditioner circulation air door connecting rod injection mold's lower mold core structure, reasonable in design, processing is easy, has reduced the requirement to the cutter, has shortened mould processing cycle, has reduced the mould processing cost, and the product drawing of patterns is easy, has avoided damaging the product, has solved the problem that exists among the prior art.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
the utility model provides a lower mold core structure of vehicle air conditioner circulation air door connecting rod injection mold, including lower mold core, be equipped with a plurality of shaping region on lower mold core, be equipped with one respectively in every shaping region with the middle cell shape matched with of vehicle air conditioner circulation air door connecting rod protruding in the middle of, set up the cartridge hole in the lower mold core at middle protruding both ends, the downthehole cartridge of cartridge has fixed sleeve, the fixed sleeve top extends the outer drum-shaped arch that forms the matched with of the cell shape of vehicle air conditioner circulation air door connecting rod of forming of lower mold core, movable mounting has the ejector pin in the fixed sleeve.
The plug-in mounting hole comprises a cylindrical hole and a conical hole which are communicated, and the conical hole is formed in the upper side of the cylindrical hole.
And a through hole is formed in the lower die core corresponding to the middle bulge, and a mandril is movably arranged in the through hole.
The bottom of the lower die core is provided with a lower fixing plate, the bottom of the lower fixing plate is provided with a base plate, the inner side of the base plate is provided with a fixing sleeve mounting plate, and the ejector rod and the fixing sleeve sequentially penetrate through the fixing sleeve mounting plate, the lower fixing plate and the inner portion of the lower die core.
The above technical scheme is adopted in the utility model, following advantage has:
in view of the particularity of the structure of the automobile air conditioner circulating air door connecting rod, the design of the die is improved, only a middle bulge matched with the shape of a middle groove cavity of the automobile air conditioner circulating air door connecting rod is processed on a lower die core, inserting holes are formed in the lower die core at the two ends of the middle bulge, a fixing sleeve is inserted into the inserting holes, and the top end of the fixing sleeve extends out of the lower die core to form a drum-shaped bulge matched with the shape of a drum-shaped groove cavity of the automobile air conditioner circulating air door connecting rod; still movable mounting has the ejector pin in the fixed sleeve, because form back-off structure after the drum-shaped slot chamber shaping, can directly exert force to product drum-shaped slot chamber position through the ejector pin in the fixed sleeve, the product drawing of patterns is easy, has avoided damaging the product.
Description of the drawings:
FIG. 1 is a schematic view of the structure of a connecting rod of a circulating damper of an automobile air conditioner.
Fig. 2 is a schematic sectional view of the present invention.
Fig. 3 is a schematic structural view of the lower mold core of the present invention.
Fig. 4 is a schematic structural view of the fixing sleeve of the present invention.
Fig. 5 is an enlarged view of a portion a in fig. 2.
In the figure, 1, a throttle connecting rod body, 2, a drum-shaped groove cavity, 3, a middle groove cavity, 4, a lower die core, 5, a middle protrusion, 6, a fixing sleeve, 7, a drum-shaped protrusion, 8, a mandril, 9, a cylindrical hole, 10, a conical hole, 11, a lower fixing plate, 12, a cushion plate, 13 and a fixing sleeve mounting plate.
The specific implementation mode is as follows:
in order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.
As shown in fig. 2-5, a lower mold core structure of an injection mold for a circulating air door connecting rod of an automobile air conditioner comprises a lower mold core 4, wherein a plurality of forming areas are arranged on the lower mold core 4, a middle bulge 5 matched with the shape of a middle groove cavity 3 of the circulating air door connecting rod of the automobile air conditioner is respectively arranged in each forming area, insertion holes are formed in the lower mold core 4 at two ends of the middle bulge 5, a fixed sleeve 6 is inserted in each insertion hole, the top end of the fixed sleeve 6 extends out of the lower mold core 4 to form a drum-shaped bulge 7 matched with the shape of a drum-shaped groove cavity 2 of the circulating air door connecting rod of the automobile air conditioner, and an ejector rod 8 is movably arranged in. The fixed sleeve 6 has dual functions, firstly, the drum-shaped bulge 7 at the top can be directly used for molding the drum-shaped groove cavity 2 of the connecting rod of the automobile air conditioner circulating air door, the processing procedure on the lower mold core 4 is omitted, secondly, the inside ejector rod 8 plays a role in guiding, the ejector rod 8 in the fixed sleeve 6 can directly apply force to the drum-shaped groove cavity part of a product, the product is easy to demould, and the product is prevented from being damaged.
The plug-in mounting hole is including cylindrical hole 9 and bell mouth 10 that are linked together, and bell mouth 10 is established at cylindrical hole 9 upside, and design like this has made things convenient for inserting of fixed sleeve 6 when the assembly, can avoid lower mold core 4 to bump the bulging arch 7 at fixed sleeve 6 top to influence product shaping quality.
The position that corresponds middle arch 5 in the lower mold core 4 is equipped with the through-hole, and movable mounting has ejector pin 8 in the through-hole, because the length of air door connecting rod body 1 is longer, adds two ejector pins 8 in the centre, can avoid damaging it when ejecting with air door connecting rod body 1 again.
The bottom of the lower mold core 4 is provided with a lower fixing plate 11, the bottom of the lower fixing plate 11 is provided with a backing plate 12, the inner side of the backing plate 12 is provided with a fixing sleeve mounting plate 13, and the ejector rod 8 and the fixing sleeve 6 sequentially penetrate through the fixing sleeve mounting plate 13, the lower fixing plate 11 and the interior of the lower mold core 4. After the product is formed, the four ejector rods 8 corresponding to each air door connecting rod body 1 act simultaneously to jack up the air door connecting rod body 1 upwards, and a required product is obtained.
The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (4)
1. The utility model provides a vehicle air conditioner circulating air door connecting rod injection mold's lower mould core structure which characterized in that: the automobile air conditioner circulating air door forming device comprises a lower die core, wherein a plurality of forming areas are arranged on the lower die core, a middle bulge matched with the shape of a middle groove cavity of an automobile air conditioner circulating air door connecting rod is arranged in each forming area, inserting holes are formed in the lower die core at two ends of the middle bulge, a fixing sleeve is inserted into each inserting hole, the top end of each fixing sleeve extends out of the lower die core to form a drum-shaped bulge matched with the shape of a drum-shaped groove cavity of the automobile air conditioner circulating air door connecting rod, and an ejector rod is movably arranged in each fixing.
2. The lower die core structure of the injection mold for the connecting rod of the circulating air door of the automobile air conditioner as claimed in claim 1, wherein: the plug-in mounting hole comprises a cylindrical hole and a conical hole which are communicated, and the conical hole is formed in the upper side of the cylindrical hole.
3. The lower die core structure of the injection mold for the connecting rod of the circulating air door of the automobile air conditioner as claimed in claim 1, wherein: and a through hole is formed in the lower die core corresponding to the middle bulge, and a mandril is movably arranged in the through hole.
4. The lower die core structure of the injection mould for the circulating air door connecting rod of the automobile air conditioner as claimed in claim 1 or 3, wherein: the bottom of the lower die core is provided with a lower fixing plate, the bottom of the lower fixing plate is provided with a base plate, the inner side of the base plate is provided with a fixing sleeve mounting plate, and the ejector rod and the fixing sleeve sequentially penetrate through the fixing sleeve mounting plate, the lower fixing plate and the inner portion of the lower die core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921828801.1U CN211251151U (en) | 2019-10-25 | 2019-10-25 | Lower die core structure of injection mold for automobile air conditioner circulating air door connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921828801.1U CN211251151U (en) | 2019-10-25 | 2019-10-25 | Lower die core structure of injection mold for automobile air conditioner circulating air door connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211251151U true CN211251151U (en) | 2020-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921828801.1U Active CN211251151U (en) | 2019-10-25 | 2019-10-25 | Lower die core structure of injection mold for automobile air conditioner circulating air door connecting rod |
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| CN (1) | CN211251151U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347392A (en) * | 2022-01-10 | 2022-04-15 | 南通鑫隆欣精密模具有限公司 | Intelligent key cap mold |
-
2019
- 2019-10-25 CN CN201921828801.1U patent/CN211251151U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347392A (en) * | 2022-01-10 | 2022-04-15 | 南通鑫隆欣精密模具有限公司 | Intelligent key cap mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220114 Address after: No. 1, yard 50-8, Tianhuang Road, Tianqiao District, Jinan City, Shandong Province Patentee after: Shandong Fangyuan Tongchuang Mould Manufacturing Co.,Ltd. Address before: No. 50-8, Tianhuang Road, Beixin Industrial Park, Tianqiao District, Jinan City, Shandong Province Patentee before: JINAN SHENGKAI MOULD Co.,Ltd. |
|
| TR01 | Transfer of patent right |