CN203863938U - Air-assisted forming mold for automobile handles - Google Patents
Air-assisted forming mold for automobile handles Download PDFInfo
- Publication number
- CN203863938U CN203863938U CN201420306341.7U CN201420306341U CN203863938U CN 203863938 U CN203863938 U CN 203863938U CN 201420306341 U CN201420306341 U CN 201420306341U CN 203863938 U CN203863938 U CN 203863938U
- Authority
- CN
- China
- Prior art keywords
- air tube
- gas
- handle body
- mold
- body cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000001746 injection moulding Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 7
- 238000000465 moulding Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
An air-assisted forming mold for automobile handles comprises a mold body which is separated into an upper mold (1) and a lower mold (2). The air-assisted forming mold for the automobile handles is characterized in that a mold cavity formed by combination of the upper mold (1) and the lower mold (2) is separated into a handle body cavity (3) and end cover cavities (4) positioned at two ends of the handle body cavity (3) respectively, the upper mold (1) is provided a first gas pin (5) directing at the handle body cavity (3), the lower mold (2) is provided with a second gas pin (6) and a third gas pin (7) directing at the two end cover cavities (4) respectively, and the first gas pin (5), the second gas pin (6) and the third gas pin (7) are communicated with a gas circuit. Compared with the prior art, the air-assisted forming mold has the advantages that breakage and surficial sink marks at the joints of a handle body and cover plates can be avoided after injection molding, and is high in yield and low in production cost.
Description
Technical field
The utility model belongs to technical field of mold, particularly relates to a kind of gas-assisted forming mold for automobile handle.
Background technology
The auxiliary technology of gas can be applied in nearly all plastic part fields such as household electrical appliances, automobile, furniture, articles for daily use, office appliances.Some injecting products is because function needs cross-sectional area larger, if injection moulding in a general manner, product will seriously shrink.Now, in the process of injection moulding, utilize gas-assisted forming mold, in the die cavity of gas inject gas-assisted forming mold, allow product hollow, just can prevent from shrinking.
Automobile armrest adopts injection moulding assisted injection molding techniques, and this technique is that gas injection is entered in melt, for the manufacture of the hollow space of moulding article.The advantage of this kind of technique be without shrink mark, lightweight, save material, shorten molding cycle.
The gas-assisted forming mold for automobile handle of prior art is all for split type automobile handle, air tube position is positioned at the middle part of handle body, therefore while generating the automobile handle (automobile handle of Contiuum type refer to shake hands body and cover plate be integral type) of Contiuum type with existing mould, after moulding, handle body and cover plate link position just there will be fracture, surface shrink mark, yield rate is lower, causes production cost higher.
Utility model content
The utility model provides shake hands after a kind of injection moulding body and cover plate link position to there will not be fracture and surface shrink mark, the gas-assisted forming mold for automobile handle that yield rate is higher and production cost is lower for above problem.
The utility model overcomes the above problems technical scheme used: a kind of gas-assisted forming mold for automobile handle with following structure is provided, it comprises the die ontology that is divided into upper die and lower die, the die cavity that described upper die and lower die matched moulds forms is divided into handle body cavity and lays respectively at the end cap chamber at handle body cavity two ends, described patrix is provided with the first air tube for handle body cavity, described counterdie is provided with respectively for the second air tube and the 3rd air tube in two end cap chambeies, and the first described air tube, the second air tube and the 3rd air tube are all communicated with gas circuit.
Adopt after above structure, compared with prior art, the utility model due to adopted three air tubes corresponding respectively handle body cavity and two end cap chambeies, the auxiliary structure of this many gas does not need many molds, can realize one-time formed object, having solved original automobile handle manufacturing process cover plate needs the problem of subsequent installation, a lot of equipment costs on mould, have been saved, also saved the cost of storage classification simultaneously, and shortened the assembling process of product, improved production efficiency, aspect product injection moulding, the auxiliary structure of many gas is higher than the auxiliary structure air blowing of single gas efficiency, speed is faster, therefore product quality is better, with traditional automobile handle contrast, traditional automobile handle position of shaking hands must have reinforcement to control product wall thickness, so in use feel is undesirable, the risk that exists opponent to scratch, and handle after the existing gas assisted molding position integral body of shaking hands is round and smooth, comfortable feel, and cover plate coordinates post gap in 0.5 scope with handle, less to ratio gap with tradition handle, more even, moreover plastic melting is known from experience under the effect of air-flow in handle body and the accumulation of cover plate junction, this just increases the intensity of junction, handle body and cover plate link position also there will not be the phenomenon of fracture and surface shrink mark, and the yield rate of product is higher, and then can significantly reduce production costs.Therefore the utlity model has the body of shaking hands after injection moulding there will not be and rupture and surface shrink mark with cover plate link position, the feature that yield rate is higher and production cost is lower.
As improvement, the first described air tube is positioned at one end of handle body cavity length direction, the other end of handle body cavity length direction is provided with gum outlet, after arranging like this, make the melt of inwall after injection moulding have one relatively long by the flow process of gas push, in this process, gas can form certain air pressure at interiors of products, and then make the tightr of product and die cavity laminating, guarantee the surface quality of product, and longer flow of melt can be effectively to product from carrying out feeding and uniformity, and then guarantee that product is not prone to surface shrink mark, significantly improve the yield rate of product.
As further improvement, the second described air tube and the 3rd air tube lay respectively at each self-corresponding end cap Qiang center, because cover plate is relatively thin, air tube are arranged on behind center, what can make that inner melt flows when blowing out is more even, and then guarantees the Forming Quality of cover plate.
Accompanying drawing explanation
Fig. 1 is that the utility model is for the structural representation of the gas-assisted forming mold of automobile handle.
As shown in the figure: 1, patrix, 2, counterdie, 3, handle body cavity, 4, end cap chamber, the 5, first air tube, the 6, second air tube, the 7, the 3rd air tube, 8, gum outlet.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
As shown in Figure 1, a kind of gas-assisted forming mold for automobile handle, it comprises that the die ontology that is divided into patrix 1 and counterdie 2 (also comprises other parts certainly, but owing to not relating to the inventive point of the invention, therefore be not repeated at this), the die cavity that described patrix 1 and counterdie 2 matched moulds form is divided into handle body cavity 3 and lays respectively at the end cap chamber 4 at handle body cavity 3 two ends, described patrix 1 is provided with the first air tube 5 for handle body cavity 3, general the first air tube 5 is positioned near cast gate, described counterdie 2 is provided with respectively the second air tube 6 and the 3rd air tube 7 for two end cap chambeies 4, the first described air tube 5, the second air tube 6 and the 3rd air tube 7 are all communicated with gas circuit.
The first described air tube 5 is positioned at one end of handle body cavity 3 length directions, and the other end of handle body cavity 3 length directions is provided with gum outlet 8.
The second described air tube 6 and the 3rd air tube 7 lay respectively at the center in each self-corresponding end cap chamber 4, on inwall corresponding to yes 4 centers, end cap chamber.
During use, treat patrix 1 and counterdie 2 matched moulds injection moulding, when filling with, by the first air tube 5, the second air tube 6 and the 3rd air tube 7, inject Compressed Gas 0.3 second～0.5 second; Gas advances along a line of least resistance expansion under the encirclement of plastic melt, plastic melt is penetrated with emptying, last plastic melt is piled up at handle body and cover plate junction, this just increases the intensity of junction, and be further full of die cavity and plastic melt is carried out to pressurize as powered plastic melt, after plastic melt cooled and solidified, die sinking ejects.
Above embodiment is only preferred embodiment of the present utility model, and the utility model is not limited only to above embodiment and has also allowed other structural change, allly in the utility model rights to independence claimed range, changes, and all belongs to the utility model protection domain.
Claims (3)
1. the gas-assisted forming mold for automobile handle, it comprises the die ontology that is divided into patrix (1) and counterdie (2), it is characterized in that: the die cavity that described patrix (1) and counterdie (2) matched moulds form is divided into handle body cavity (3) and lays respectively at the end cap chamber (4) at handle body cavity (3) two ends, described patrix (1) is provided with the first air tube (5) for handle body cavity (3), described counterdie (2) is provided with respectively the second air tube (6) and the 3rd air tube (7) for two end cap chambeies (4), described the first air tube (5), the second air tube (6) and the 3rd air tube (7) are all communicated with gas circuit.
2. the gas-assisted forming mold for automobile handle according to claim 1, it is characterized in that: described the first air tube (5) is positioned at one end of handle body cavity (3) length direction, the other end of handle body cavity (3) length direction is provided with gum outlet (8).
3. the gas-assisted forming mold for automobile handle according to claim 1, is characterized in that: described the second air tube (6) and the 3rd air tube (7) lay respectively at the center in each self-corresponding end cap chamber (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420306341.7U CN203863938U (en) | 2014-05-29 | 2014-05-29 | Air-assisted forming mold for automobile handles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420306341.7U CN203863938U (en) | 2014-05-29 | 2014-05-29 | Air-assisted forming mold for automobile handles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203863938U true CN203863938U (en) | 2014-10-08 |
Family
ID=51644921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420306341.7U Expired - Lifetime CN203863938U (en) | 2014-05-29 | 2014-05-29 | Air-assisted forming mold for automobile handles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203863938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109624202A (en) * | 2018-10-19 | 2019-04-16 | 宁波帅特龙集团有限公司 | A kind of gas assistant injection molding method of handle of automobile roof |
-
2014
- 2014-05-29 CN CN201420306341.7U patent/CN203863938U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109624202A (en) * | 2018-10-19 | 2019-04-16 | 宁波帅特龙集团有限公司 | A kind of gas assistant injection molding method of handle of automobile roof |
| CN109624202B (en) * | 2018-10-19 | 2021-06-01 | 宁波帅特龙集团有限公司 | Gas-assisted injection molding method for automobile roof handle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141008 |