CN202357374U - Plastic injection mold - Google Patents
Plastic injection mold Download PDFInfo
- Publication number
- CN202357374U CN202357374U CN2011204311181U CN201120431118U CN202357374U CN 202357374 U CN202357374 U CN 202357374U CN 2011204311181 U CN2011204311181 U CN 2011204311181U CN 201120431118 U CN201120431118 U CN 201120431118U CN 202357374 U CN202357374 U CN 202357374U
- Authority
- CN
- China
- Prior art keywords
- die cavity
- channel
- passage
- injection mold
- plastic injection
- 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
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- 229920003023 plastic Polymers 0.000 title claims abstract description 50
- 239000004033 plastic Substances 0.000 title claims abstract description 50
- 238000002347 injection Methods 0.000 title claims abstract description 41
- 239000007924 injection Substances 0.000 title claims abstract description 41
- 238000000465 moulding Methods 0.000 claims abstract description 41
- 239000003292 glue Substances 0.000 claims description 39
- 238000012360 testing method Methods 0.000 claims description 22
- 208000002925 dental caries Diseases 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract 4
- 229920006351 engineering plastic Polymers 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000012356 Product development Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a plastic injection mold which is provided with a plastic injecting inlet, plastic injecting channels and mold cavities, wherein the plastic injecting channels comprise a main channel and a plurality of branch channels connected with the main channel, and the main channel is communicated with the plastic injecting inlet; the main channel is Z-shaped; a plurality of mold cavities are respectively communicated with the plurality of branch channels, and the mold cavities for molding small-volume workpieces are communicated with the branch channels away from the plastic injecting inlet. The mold cavities are distributed along the Z-shaped main channel, and the layout structure is compact, so that the flow path of a plastic liquid is reduced, the hydraulic pressure of the plastic liquid flowing in the main channel is improved, and the phenomena such as non-uniform plastic flowing and lack of plastics are prevented. Because the plastic liquid flows slowly in the branch channels away from the plastic injecting inlet, and the smaller mold cavities can be filled to the full more easily, for ensuring that the plurality of mold cavities of the plastic injection mold can be simultaneously filled to the full, the smaller mold cavities are set away from the plastic injecting inlet, so that a situation that the flowing of the plastic liquid in the plastic injecting channels is affected because the larger mold cavities are not filled to the full after the smaller mold cavities are filled to the full and solidified is prevented, thereby avoiding the phenomena such as lack of plastics and flashes, and improving the product quality.
Description
[technical field]
The utility model relates to a kind of mould, particularly relates to a kind of plastic injection mold.
[background technology]
Engineering plastics are meant the industrial plastics that is used as industrial part or sheathing material; Be all excellent plastics of intensity, resistance to impact, hear resistance, hardness and ageing resistance; Refer generally to bear certain external force effect, and favorable mechanical performance and dimensional stability are arranged, under high and low temperature, still can keep its premium properties; Can be used as the plastics of engineering structure part, like nylon, gather alum etc.Can relate to the test block of different shape during the performance of testing certain engineering plastics.The engineering plastics test block is formed by the mould injecting glue; Because the engineering plastics test block is had relatively high expectations to technological level; In traditional multi-point mould mould injecting glue forming process, the distribution of each die cavity is bigger, and reasonable inadequately; Occur walking phenomenons such as glue is inhomogeneous, starved easily, influence the quality of injecting products.
[utility model content]
Based on this, be necessary to provide a kind of plastic injection mold that can improve the injecting products quality.
A kind of plastic injection mold offers:
Gum-injecting port;
Glue injection channel; Comprise main channel and a plurality of branched bottoms that are connected with said main channel; Said main channel is connected with said gum-injecting port; Said main channel is the Z type, and said main channel comprises first passage and be positioned at the second channel and the third channel at the two ends of said first passage that said second channel and said third channel extend along the vertical direction of said first passage respectively dorsad; And
A plurality of die cavitys are connected with a plurality of branched bottoms respectively, are used for the die cavity of the less workpiece of moulding volume and are connected with branched bottom away from said gum-injecting port.
Further, said gum-injecting port is positioned at the middle part of said first passage.
Further; The said less die cavity of moulding volume that is used for comprises and is used for first die cavity of thin burning batten test block of molding thickness; Said first die cavity is vertical at an end of said first passage, and the middle part of said first die cavity is connected with said first passage.
Further, the said less die cavity of moulding volume that is used for comprises second die cavity that is used for the thicker burning batten test block of moulding, and said second die cavity is connected with the side of said first die cavity away from said first passage through said branched bottom.
Further, said second die cavity and said first die cavity laterally arrange, and are communicated with said first die cavity.
Further, the branched bottom that wherein is communicated with said first die cavity and said second die cavity is a plurality of, and is symmetrically distributed with respect to the axis at said first passage place.
Further; The said less die cavity of moulding volume that is used for also comprises the 3rd die cavity that is used for moulding breach shock resistance test block and is used for moulding bending strength test block the 4th die cavity, and said the 3rd die cavity and the 4th die cavity are connected with said second channel through said branched bottom and are positioned at the same side of said second channel.
Further, the said less die cavity of moulding volume that is used for also comprises the 5th die cavity that is used for moulding hot strength test block, and an end of said the 5th die cavity is connected with the end of said third channel, and said the 5th die cavity and said third channel parallel setting.
Further, said die cavity also comprises the 6th die cavity that is used for the bigger color model of moulding volume, and said the 6th die cavity is connected with said first passage through said branched bottom.
Further, said the 6th die cavity is positioned at a side of said first passage, and said the 3rd die cavity and the 4th die cavity are positioned at the opposite side of said first passage, and the branched bottom of said the 6th die cavity is between said second channel and said gum-injecting port.
In above-mentioned plastic injection mold, because the main channel is made up of first passage, second channel and third channel and is Z-shaped, die cavity can distribute along Z type main channel as required; Avoided die cavity individually to distribute, made arranging of die cavity be restricted compact layout and structure along the both sides, main channel; Reduced the flow process of glue; Improve the hydraulic pressure that flows of glue in the main channel, prevented away phenomenons such as glue is inhomogeneous, starved, improved the quality of product.And, be used for the die cavity of the less workpiece of moulding volume and be connected with branched bottom away from gum-injecting port.It is slower that glue circulates in the branched bottom far away apart from gum-injecting port; Because less die cavity ratio is easier to fill up; The a plurality of die cavitys that guarantee plastic injection mold can be filled with in the unit interval simultaneously, prevent when less die cavity fill with solidify after, die cavity is not also filled with greatly; Make the injecting glue mass flow discrepancy weighing apparatus of glue injection channel both sides, influence flowing of glue.Therefore will be used for the die cavity of the less workpiece of moulding volume and be connected, and can avoid phenomenons such as glue is inhomogeneous, starved, improve the quality of product with branched bottom away from gum-injecting port.
[description of drawings]
Fig. 1 is the structural representation of the plastic injection mold of an embodiment.
[specific embodiment]
For the ease of understanding the utility model, will more comprehensively describe the utility model with reference to relevant drawings below.Provided the preferred embodiment of the utility model in the accompanying drawing.But the utility model can be realized with many different forms, be not limited to embodiment described herein.On the contrary, provide the purpose of these embodiment be make to the disclosure of the utility model understand comprehensively thorough more.
Need to prove, when element is called as " being fixed in " another element, it can be directly on another element or also can have element placed in the middle.When an element is considered to " connection " another element, it can be to be directly connected to another element or possibly to have element placed in the middle simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement do not represent it is unique embodiment just for illustrative purposes.
Only if definition is arranged in addition, the employed all technology of this paper are identical with the implication of the those skilled in the art's common sense that belongs to the utility model with scientific terminology.Among this paper in the specification of the utility model employed term be not intended to be restriction the utility model just in order to describe the purpose of concrete embodiment.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
See also Fig. 1, the plastic injection mold 100 of present embodiment offers gum-injecting port 110, glue injection channel (figure is mark not) and die cavity (figure is mark not).
Glue is injected into the plastic injection mold 100 from gum-injecting port 110.Gum-injecting port 110 is positioned at the middle part of glue injection channel.
Glue injection channel comprises main channel (figure is mark not) and branched bottom 124.The main channel is that the Z type is connected with gum-injecting port 110; The main channel comprises first passage 121 and is positioned at the second channel 122 and the third channel 123 at the two ends of first passage 121 that second channel 122 extends along the vertical direction of first passage 121 respectively with third channel 123 dorsad.Branched bottom 124 is connected with the main channel.
A plurality of die cavitys are connected with a plurality of branched bottoms 124 respectively; Above-mentioned a plurality of die cavity comprises the die cavity that is used for the less workpiece of moulding volume, be used for the die cavity of the thin workpiece of molding thickness and be used for the die cavity of the big workpiece of moulding volume, is used for the die cavity of the less workpiece of moulding volume and is connected with branched bottom 124 away from gum-injecting port 110.A plurality of die cavitys are respectively: first die cavity 131, second die cavity 132, the 3rd die cavity 133, the 4th die cavity 134, the 5th die cavity 135 and the 6th die cavity 136.
First die cavity 131 is for being used for the thin workpiece of molding thickness, and is concrete, and first die cavity 131 is for being used for the die cavity of thin burning batten test block of moulding.First die cavity 131 is vertical at an end of first passage 121, and the middle part of first die cavity 131 is connected with first passage 121, and first die cavity 131 is used for the thin burning batten test block of moulding.
Second die cavity 132 is for being used for the die cavity of the less workpiece of moulding volume.Concrete, first die cavity 131 is for being used for the die cavity of the thicker burning batten test block of moulding.First die cavity 131 offers branched bottom 124 away from a side of first passage 121, and this branched bottom is connected with second die cavity 132, and this branched bottom is the branched bottom 124 of second die cavity 132.The branched bottom of second die cavity 132 is a plurality of and symmetrical about first passage 121 place axis, and specifically in this embodiment, the branched bottom 124 of second die cavity 132 is 3, second die cavity 132 and the 131 parallel and justify align settings of first die cavity.
The 3rd die cavity 133 and the 4th die cavity 134 are for being used for the die cavity of moulding minimum volume workpiece.Concrete, the 3rd die cavity 133 is used for moulding breach shock resistance test block.The 4th die cavity 134 is used for moulding bending strength test block.The 3rd die cavity 133 and the 4th die cavity 134 are connected with second channel 122 through branched bottom 124.The 3rd die cavity 133 and the 4th die cavity 134 are positioned at the homonymy of second channel 122.In this embodiment, the 3rd die cavity 133 is connected with branched bottom 124 near first passage 121, and the 4th die cavity 134 is connected with branched bottom 124 away from first passage 121.
The 5th die cavity 135 is for being used for the die cavity of moulding smaller size smaller workpiece, and concrete, the 5th die cavity 135 is used for moulding hot strength test block.One end of the 5th die cavity 135 is connected with the end of third channel 123, and the 5th die cavity 135 parallels setting with third channel 123.
The 6th die cavity 136 is for being used for the die cavity of the bigger workpiece of moulding volume.Concrete, the 6th die cavity 136 is used for moulding color model.The 6th die cavity 136 is connected with first passage 121 through branched bottom 124.The 6th die cavity 136 is positioned at a side of first passage 121, and the 3rd die cavity 133 and the 4th die cavity 134 are positioned at the opposite side of first passage 121, and the branched bottom 124 of the 6th die cavity 136 is between second channel 122 and gum-injecting port 110.
The width of plastic injection mold 100 is 210 millimeters, and length is 250 millimeters.Plastic injection mold 100 compact conformations, rationally distributed, effectively reduced the volume of plastic injection mold 100, reduced product development cost, reduced the injection moulding cost.
In above-mentioned plastic injection mold 100, the main channel constitutes a Z type by first passage 121, second channel 122 and third channel 123, and the 3rd die cavity 133 is connected with second channel 122 with the 4th die cavity 134.The 3rd die cavity 133 and the 4th die cavity 134 laterally arrange with first passage 121, make the position of the 4th die cavity 134 not exceed the lengthwise position of first die cavity 131.The 5th die cavity 135 that length is bigger is connected with an end of third channel 123, on the one hand, can prevent that hot strength test block product from deforming in injection moulding process, on the other hand, has dwindled the length and the width of plastic injection mold 100 on the whole.Die cavity can distribute along Z type main channel as required, has avoided die cavity to distribute a both sides along glue injection channel, and arranging of die cavity is restricted; Compact layout and structure; Reduced the flow process of glue, improved the hydraulic pressure that flows of glue in the main channel, made injecting glue more abundant; Prevent away phenomenons such as glue is inhomogeneous, starved, improved the quality of product.
The above embodiment has only expressed several kinds of embodiments of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection domain of the utility model.Therefore, the protection domain of the utility model patent should be as the criterion with accompanying claims.
Claims (10)
1. a plastic injection mold is characterized in that, said plastic injection mold offers:
Gum-injecting port;
Glue injection channel; Comprise main channel and a plurality of branched bottoms that are connected with said main channel; Said main channel is connected with said gum-injecting port; Said main channel is the Z type, and said main channel comprises first passage and be positioned at the second channel and the third channel at the two ends of said first passage that said second channel and said third channel extend along the vertical direction of said first passage respectively dorsad; And
A plurality of die cavitys are connected with said a plurality of branched bottoms respectively, are used for the die cavity of the less workpiece of moulding volume and are connected with branched bottom away from said gum-injecting port.
2. plastic injection mold according to claim 1 is characterized in that said gum-injecting port is positioned at the middle part of said first passage.
3. plastic injection mold according to claim 1; It is characterized in that; The said less die cavity of moulding volume that is used for comprises and is used for first die cavity of thin burning batten test block of molding thickness; Said first die cavity is vertical at an end of said first passage, and the middle part of said first die cavity is connected with said first passage.
4. plastic injection mold according to claim 3; It is characterized in that; The said less die cavity of moulding volume that is used for comprises second die cavity that is used for the thicker burning batten test block of moulding, and said second die cavity is connected with the side of said first die cavity away from said first passage through said branched bottom.
5. plastic injection mold according to claim 4 is characterized in that, said second die cavity and said first die cavity laterally arrange, and is communicated with said first die cavity.
6. plastic injection mold according to claim 5 is characterized in that, the branched bottom that wherein is communicated with said first die cavity and said second die cavity is a plurality of, and is symmetrically distributed with respect to the axis at said first passage place.
7. plastic injection mold according to claim 1; It is characterized in that; The said less die cavity of moulding volume that is used for also comprises the 3rd die cavity that is used for moulding breach shock resistance test block and is used for moulding bending strength test block the 4th die cavity, and said the 3rd die cavity and the 4th die cavity are connected with said second channel through said branched bottom and are positioned at the same side of said second channel.
8. plastic injection mold according to claim 1; It is characterized in that; The said less die cavity of moulding volume that is used for also comprises the 5th die cavity that is used for moulding hot strength test block; One end of said the 5th die cavity is connected with the end of said third channel, and said the 5th die cavity and said third channel parallel setting.
9. plastic injection mold according to claim 1 is characterized in that, said die cavity also comprises the 6th die cavity that is used for the bigger color model of moulding volume, and said the 6th die cavity is connected with said first passage through said branched bottom.
10. plastic injection mold according to claim 9; It is characterized in that; Said the 6th die cavity is positioned at a side of said first passage; Said the 3rd die cavity and the 4th die cavity are positioned at the opposite side of said first passage, and the branched bottom of said the 6th die cavity is between said second channel and said gum-injecting port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204311181U CN202357374U (en) | 2011-11-03 | 2011-11-03 | Plastic injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204311181U CN202357374U (en) | 2011-11-03 | 2011-11-03 | Plastic injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202357374U true CN202357374U (en) | 2012-08-01 |
Family
ID=46568587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204311181U Expired - Lifetime CN202357374U (en) | 2011-11-03 | 2011-11-03 | Plastic injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202357374U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458381A (en) * | 2014-12-17 | 2015-03-25 | 苏州禾昌聚合材料股份有限公司 | Sample-band mold for testing modified plastics |
| CN105328132A (en) * | 2015-11-13 | 2016-02-17 | 芜湖新兴铸管有限责任公司 | Casting mold |
-
2011
- 2011-11-03 CN CN2011204311181U patent/CN202357374U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458381A (en) * | 2014-12-17 | 2015-03-25 | 苏州禾昌聚合材料股份有限公司 | Sample-band mold for testing modified plastics |
| CN105328132A (en) * | 2015-11-13 | 2016-02-17 | 芜湖新兴铸管有限责任公司 | Casting mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN XINGSHENGDI NEW MATERIALS CO., LTD. Free format text: FORMER NAME: SHENZHEN XINGDI PLASTIC CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Baoan District manhole street new Shalusha Shenzhen city Guangdong province 518104 Industrial Zone No. 52 Patentee after: Shenzhen Xingshengdi New Materials Co., Ltd. Address before: Baoan District manhole street new Shalusha Shenzhen city Guangdong province 518104 Industrial Zone No. 52 Patentee before: Shenzhen Xingdi Plastic Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120801 |