CN104939514B - Manufacturing technology of edge strengthening blow molding panel - Google Patents
Manufacturing technology of edge strengthening blow molding panel Download PDFInfo
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- CN104939514B CN104939514B CN201510267028.6A CN201510267028A CN104939514B CN 104939514 B CN104939514 B CN 104939514B CN 201510267028 A CN201510267028 A CN 201510267028A CN 104939514 B CN104939514 B CN 104939514B
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- flange
- panel
- edge
- blow molded
- edge strengthening
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Abstract
The invention discloses an edge strengthening blow molding panel and a manufacturing technology thereof. The edge strengthening blow molding panel comprises an upper layer plate, a lower layer plate and a flange formed on the periphery of the panel. Blow molding is carried out between the upper layer plate and the lower layer plate to form a hollow structure. The edge strengthening blow molding panel is characterized in that the outer edge of the upper layer plate extends downwards to form the outer side wall of the flange, the outer edge of the lower layer plate extends downwards to form the inner side wall of the flange, and the flange is provided with a solid fusion part enabling a joint line at the flange to disappear due to mutual fusion of the outer side wall of the flange and the inner side wall of the flange. The edge strengthening blow molding panel has the advantages that due to the fact that the flange is provided with the solid fusion part enabling the joint line at the corresponding part of the flange to disappear due to mutual fusion of the outer side wall of the flange and the inner side wall of the flange, the structural strength of the flange is obviously improved, the problem that the joint line of the flange is prone to cracking is basically solved, and during manufacturing, the solid fusion part enabling the joint line to disappear can be formed at the flange through extrusion of a left die and a right die.
Description
Technical field
The present invention relates to a kind of blowing panel, more particularly, to a kind of edge strengthening the manufacturing process of panel is blow molded.
Background technology
Blow molded product is thus lightweight due to hollow structure, further, since its material, shape and structure
Reason, has the advantages that rigidity is strong, resistance to impact is good, is hardly damaged, and in recent years, blow molded product is extensive in various fields
Using, panel is particularly blow molded, application is wider.
Existing blowing panel typically all includes top plate, lower plywood and takes shape in the convex of top plate and lower floor's panel surrounding
Hollow structure is blow molded between edge, and top plate and lower plywood.It is big that panel bottom is generally distributed with numerous random spread geometries
The supporting touch point of the little depression for differing, to increase its intensity.But limited by blow molding process, panel often still there are
The edge of lower thickness, particularly panel after the supporting touch point part material stretching of the incipient fault point being easily damaged, such as depression
Also it is partially thin partially soft, therefore these are all the positions for being easier to rupture.Additionally, as shown in figure 4, it is existing blowing panel in, top plate a
Flange c is downwardly extending with lower plywood b, it is spue line that flange c forms parting line d where upper/lower die combination, typing
Line d is normally at the bottom on the outside of flange c, and parting line junction is that the edge of a knife upper and lower mould of pattern tool inwardly closes up to form one
The more thickness edge of a knife so that plastics extrude toward at parting line and parting line there is clung in the past, in product parting line
There is inner side present situation recessed outward with the junction in outside in side so that parting line there is more fragile, it is demonstrated experimentally that blowing panel
It is the position of most fragile where parting line, structural strength is minimum, is easiest to be produced because of shock broken.To overcome above-mentioned asking
Topic, people strengthen the structural strength of panel, but the defect carried using the panel for thickening often through plate thickness is increased
It is to make panel seem more thick and heavy, even if using the panel for thickening, if do not made improvements to marginal texture, face still cannot be improved
The rigidity and structural strength of edges of boards edge, is blow molded the easily rupturable problem of panel parting line and is not still resolved.
Additionally, existing blowing panel is in process, spue line junction is that the edge of a knife upper and lower mould of pattern tool is inside
Close up to form a thicker edge of a knife, spue line is clung so that plastics are extruded toward at spue line, product it is actual go out
After coming, product is the position of most fragile at spue line, and rupture is easy under external force collision.
The content of the invention
The technical problem to be solved is for above-mentioned state of the art, there is provided one kind processing is simple and can make
The edge strengthening of flange matched moulds heading line off is blow molded the manufacturing process of panel.
The present invention solve the technical scheme that adopted of above-mentioned technical problem for：The edge strengthening is blow molded the manufacture work of panel
Skill, includes top plate, lower plywood and takes shape in the flange around panel, by blowing between described top plate and lower plywood
Shape all-in-one-piece is blow molded hollow structure, and the outer edge of the top plate is downwardly extending flange outer sides wall, the lower plywood
Outer edge is downwardly extending flange inner wall, and the flange has to be made because flange outer sides wall is mutually fused with flange inner wall
The solid fused portion of the matched moulds heading line off at flange, it is characterised in that comprise the steps：
1., raw material down extrudes to form the plastic bag of bottom opening from mouth mold；
2., plastic bag drops to plastic bag bottom is closed up after the setting height between the mould of left and right, and
Blown toward inside plastic bag by mouth mold；
3., left and right mould is extruded above-mentioned plastic bag with respect to matched moulds, and in flange inner wall and flange outer sides
Wall distance for 3～5mm when extruded by left and right mould and described solid fused portion fused at flange；
4., blow toward the plastic bag the inside after matched moulds；
5., blow and terminate final vacuum, formed product.
Preferably, the whole medial wall of the flange fuses into described solid fused portion with the lateral wall of flange.This
Sample, integral-type flange is substantially solid fused portion, and the structural strength of flange is high.
Further preferably, the thickness of the solid fused portion is 3～5mm.Solid fused portion is adopted after above-mentioned thickness range,
Both edge will not have been made too thick, had can ensure that edge had enough structural strengths again.
In order that edge seems more smooth, succinct, the interior lateral surface of the solid fused portion is burnishing surface.
Blowing panel can have various shapes, it is preferable that described blowing panel is rounded or square.
In order to improve blowing panel structural strength, formed on the lower plywood it is numerous upwards depression and with top plate phase
Supporting touch point even, and described supporting touch point is in crisscross distribution.
In order to further improve the structural strength of blowing panel, described supporting touch point sets in bar shaped and in supporting touch point
There is at least one reinforcement.
Preferably, described step 4. in blown by blow needle, the time control of air blowing was at 110～130 seconds.
Compared with prior art, it is an advantage of the current invention that：Because the flange of the blowing panel has because of flange outer sides wall
The solid fused portion mutually fused with medial wall, solid fused portion can make the matched moulds heading line off of flange corresponding position, so as to notable
Strengthen the structural strength of flange, make crackly problem at flange spue line obtain basic solution, during manufacture, by left and right
The extruding of mould just can form the solid fused portion for making matched moulds heading line off at flange.
Description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the enlarged diagram of part A in Fig. 1；
Fig. 3 is sectional view of the embodiment of the present invention at panel flange；
Fig. 4 is the sectional view of existing blowing panel flange.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in Figure 1 to Figure 3, the edge strengthening blowing panel in the present embodiment includes top plate 1, lower plywood 2 and molding
Flange 3 around panel, hollow structure is blow molded between top plate 1 and lower plywood 2 by blowing shape all-in-one-piece.Top plate 1
Outer edge be downwardly extending flange outer sides wall 31, the outer edge of lower plywood 2 is downwardly extending flange inner wall 32, and
And, in order to counter plate edge is strengthened.During production, flange outer sides wall 31 is carried out with flange inner wall 32 under the extruding of mould
High-temperature fusion and form the solid fused portion of flange 3 so that the matched moulds heading line off at flange 3, overcomes existing blowing panel
The most fragile, the most easily rupturable problem at the spue line at edge, substantially increases the marginal texture intensity of blowing panel.Jing realities
Test is tried, and as shown in Figure 4 the flange impact resistance size with spue line is about 108 pounds, and arranging at flange makes spue line
After the solid fused portion for disappearing, the impact resistance of flange can be lifted to 151 pounds, it is seen that the impact resistance of blowing face plate edge is bright
Aobvious to strengthen, structural strength is higher.
In the present embodiment, blowing panel is circle, because the general portion of circular blowing panel needs to screw, thus, flange 3
Whole flange inner wall 32 fuse into solid fused portion 33 with flange outer sides wall 31, so, integral-type flange is solid molten
Conjunction portion 33, the structural strength of flange 3 is high.The interior lateral surface of solid fused portion 33 is burnishing surface, and the thickness of solid fused portion 33
Spend for 3～5mm, preferably 4mm.Solid fused portion 33 will not both make edge too thick using after above-mentioned thickness range, can ensure that again
Edge has enough structural strengths.
In the present embodiment, numerous supporting touch points 21 for being recessed upwards and being connected with top plate 1 are formed on lower plywood 2, and
Supporting touch point 21 is in crisscross distribution.It is to make use of intersection mechanics principle using criss-cross arrangement, effectively by a side
External carbuncle upwards is decomposed into the power involved mutually in multiple directions, so as to strengthen the structural strength of panel itself and anti-twist
After degree, also, the supporting touch point 21 using depression, the wall thickness of blowing panel can be reduced, mitigate the weight of panel.Particular for
Ultrathin (thickness<Plate body 40MM), using crisscross supporting touch point 21 after, its firmness can be greatly reinforced so as to
It is unlikely to deform.Furthermore it is also possible in bar shaped and in supporting touch point supporting touch point design is arranged into reinforcement, so, not only may be used
To improve the structural strength of supporting touch point, reduce the warping property of panel, but also contact point area can be made to diminish, prevent panel
There is cicatrix in surface, improves the flatness of panel surface.
The manufacturing process of the edge strengthening blowing panel adopts following steps：
1., raw material down extrudes to form the plastic bag of bottom opening from mouth mold；
2., plastic bag drops to plastic bag bottom is closed up after the setting height between the mould of left and right, and
Blown toward inside plastic bag by mouth mold；
3., left and right mould is extruded above-mentioned plastic bag with respect to matched moulds, and in flange inner wall and flange outer sides
Wall distance for 3～5mm when extruded by left and right mould and described solid fused portion fused at flange；
4., blow toward the plastic bag the inside after matched moulds；
5., blow and terminate final vacuum, formed product.
Wherein, step 4. in, blown by blow needle, the time control of air blowing was at 110～130 seconds.
The foregoing is only the preferred embodiment of the present invention, it is noted that for those of ordinary skills,
Under the premise of the principle without departing from the present invention, various remodeling or improvement can be carried out to the present invention, these blowing panels are except adopting
With outside circle, adopting square, this is also regarded as within protection scope of the present invention.
Claims (8)
1. a kind of edge strengthening is blow molded the manufacturing process of panel, includes top plate (1), lower plywood (2) and takes shape in panel week
Hollow structure is blow molded by blowing shape all-in-one-piece between the flange (3) for enclosing, described top plate (1) and lower plywood (2), it is described
The outer edge of top plate (1) is downwardly extending flange outer sides wall (31), and the outer edge of the lower plywood (2) is downwardly extending
Flange inner wall (32), the flange (3) is convex with making because of flange outer sides wall (31) with flange inner wall (32) mutually fusion
The solid fused portion (33) of the matched moulds heading line off at edge, it is characterised in that comprise the steps：
1., raw material down extrudes to form the plastic bag of bottom opening from mouth mold；
2., plastic bag drops to plastic bag bottom is closed up after the setting height between the mould of left and right, and passes through
Mouth mold is blown toward inside plastic bag；
3., left and right mould is extruded above-mentioned plastic bag with respect to matched moulds, and flange inner wall and flange outer sides wall away from
From for 3～5mm when extruded by left and right mould and described solid fused portion fused into away from flange；
4., blow toward the plastic bag the inside after matched moulds；
5., blow and terminate final vacuum, formed product.
2. edge strengthening according to claim 1 is blow molded the manufacturing process of panel, it is characterised in that：The flange (3)
Whole flange inner wall (32) fuses into described solid fused portion (33) with flange outer sides wall (31).
3. edge strengthening according to claim 2 is blow molded the manufacturing process of panel, it is characterised in that：The solid fused portion
(33) thickness is 3～5mm.
4. edge strengthening according to claim 2 is blow molded the manufacturing process of panel, it is characterised in that：The solid fused portion
(33) interior lateral surface is burnishing surface.
5. edge strengthening according to claim 1 is blow molded the manufacturing process of panel, it is characterised in that：Described blowing panel
It is rounded or square.
6. edge strengthening according to claim 1 is blow molded the manufacturing process of panel, it is characterised in that：In the lower plywood
(2) numerous supporting touch points (21) for being recessed upwards and being connected with top plate (1) are formed on, and described supporting touch point (21) is in vertical
It is horizontal to be interspersed.
7. edge strengthening according to claim 6 is blow molded the manufacturing process of panel, it is characterised in that：Described supporting touch point
(21) at least one reinforcement is provided with bar shaped and in the supporting touch point (21).
8. edge strengthening according to claim 1 is blow molded the manufacturing process of panel, it is characterised in that：Described step 4. in
Blown by blow needle, the time control of air blowing was at 110～130 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510267028.6A CN104939514B (en) | 2015-05-25 | 2015-05-25 | Manufacturing technology of edge strengthening blow molding panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510267028.6A CN104939514B (en) | 2015-05-25 | 2015-05-25 | Manufacturing technology of edge strengthening blow molding panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104939514A CN104939514A (en) | 2015-09-30 |
| CN104939514B true CN104939514B (en) | 2017-05-03 |
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| CN201510267028.6A Active CN104939514B (en) | 2015-05-25 | 2015-05-25 | Manufacturing technology of edge strengthening blow molding panel |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170238698A1 (en) * | 2016-02-23 | 2017-08-24 | Lifetime Products, Inc. | Blow-molded plastic structures |
| CN108158209B (en) * | 2018-01-02 | 2023-12-19 | 革新（厦门）运动器材有限公司 | Folding table and manufacturing method thereof |
| CN110802830A (en) * | 2019-09-26 | 2020-02-18 | 广东炜田环保新材料股份有限公司 | Novel reinforced edge blow molding preparation method |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7100518B2 (en) * | 2002-04-09 | 2006-09-05 | Lifetime Products, Inc. | Pivotal connection of a table leg to a frame |
| CN2517302Y (en) * | 2001-12-09 | 2002-10-23 | 冷鹭浩 | Table top |
| US7475643B2 (en) * | 2002-04-09 | 2009-01-13 | Lifetime Products, Inc. | Edge and corner for a structure constructed from blow-molded plastic |
| CN100502723C (en) * | 2003-07-09 | 2009-06-24 | 一生产品有限公司 | Table |
| CN201001495Y (en) * | 2007-01-23 | 2008-01-09 | 王柏兴 | Table |
| CN201005246Y (en) * | 2007-02-14 | 2008-01-16 | 王柏兴 | Novel table |
| CN201082021Y (en) * | 2007-09-10 | 2008-07-09 | 王柏兴 | Large-scale hollow blow-molding table |
| JP5406498B2 (en) * | 2008-09-30 | 2014-02-05 | 盟和産業株式会社 | Panel and method for manufacturing the panel |
| CN201290436Y (en) * | 2008-10-22 | 2009-08-19 | 蒋一翔 | Double-sided board hollow blow-molding folding table |
| CN202012721U (en) * | 2010-12-24 | 2011-10-19 | 客贝利(厦门)休闲用品有限公司 | Plastic cement supporting plate |
| CN102293518A (en) * | 2011-08-01 | 2011-12-28 | 台州市朗晴塑业有限公司 | Hollow table panel and hollow blow molding process thereof |
| CN103263146B (en) * | 2013-05-23 | 2016-01-20 | 蒋一翔 | The blowing panel that a kind of edge is reinforced and apply the folding table of this panel |
| CN204764115U (en) * | 2015-05-25 | 2015-11-18 | 宁波一象吹塑家具有限公司 | Blowing panel structure is reinforceed at edge |
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