CN102729454A - Pipe billet stretching sealing device of plastic hollow forming machine - Google Patents
Pipe billet stretching sealing device of plastic hollow forming machine Download PDFInfo
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- CN102729454A CN102729454A CN2012102488468A CN201210248846A CN102729454A CN 102729454 A CN102729454 A CN 102729454A CN 2012102488468 A CN2012102488468 A CN 2012102488468A CN 201210248846 A CN201210248846 A CN 201210248846A CN 102729454 A CN102729454 A CN 102729454A
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- stretching
- driving cylinder
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- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a pipe billet stretching sealing device of a plastic hollow forming machine, which is simple in structure and requires no mold lifting. The pipe billet stretching sealing device of the plastic hollow forming machine comprises a base and the base is provided with a pipe billet end port stretching device. The pipe billet end port stretching device structurally comprises a support arranged on the base, a first stretching driving cylinder and a second stretching driving cylinder which are opposite in the action direction are arranged in the support, a first pull rod and a second pull rod are respectively arranged on a piston rod of the first stretching driving cylinder and a piston rod of the second stretching driving cylinder through a connecting block, and the first pull rod and the second pull rod are arranged on forming paging surface. The support is respectively articulated with a first L-shaped sealing plate, a second L-shaped sealing plate, a first turnover driving mechanism and a second turnover driving mechanism in a movable manner on two sides of the forming paging surface. The first sealing plate and the second sealing plate are the same in structure and respectively comprise a turnover plate and a clamping plate vertically arranged on the turnover plate. The pipe billet stretching sealing device of the plastic hollow forming machine is mainly used for plastic hollow forming machines for forming flat plastic products.
Description
Technical field
The present invention relates to the plastic hollow make-up machine, refer more particularly to the pipe stretching closing device in a kind of plastic hollow make-up machine.
Background technology
In plastic hollow moulding industry, when needing the plastic products of moulding flat, usually need in advance pipe is drawn flat, and, make its shape as far as possible near finished product through to the pipe pre-blowing gas that draws after flat.For this reason; In the plastic hollow make-up machine usually face die orifice, mould below be provided with pipe stretching closing device; Comprise: base; Base is provided with pipe port stretching device, and this pipe port stretching device comprises the bearing that is arranged on the base, is provided with the opposite stretching driving cylinder of a pair of action direction in the bearing; Be respectively arranged with pull bar on this a pair of stretching driving cylinder piston rod separately, above pull bar, be provided with a pair of hush panel and the driving mechanism thereof that moves along the folding direction of mould.At present, hush panel and driving mechanism thereof mainly contain two kinds of mounting structures: the first is located in it in mould, the structure more complicated; It two is that the position of mould is raised, and adapts with it, and the position of other associated components such as die head of this plastic hollow moulding also all will be raised.In sum, no matter take which kind of mounting structure, all can increase manufacturing cost; And; Use also very inconvenient because need change corresponding with it mould during the different finished product of moulding, the raising of hush panel and driving mechanism complex installation structure thereof or mould position; The capital brings inconvenience to die change; And, increased mould replacing time, reduced production efficiency.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of simple in structure and need not raise the pipe stretching closing device in the plastic hollow make-up machine of mould.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: the pipe stretching closing device in a kind of plastic hollow make-up machine; Comprise: base; Base is provided with pipe port stretching device, and its structure comprises: be arranged on the bearing on the base, be provided with the first opposite stretching driving cylinder of action direction and the second stretching driving cylinder in the bearing; Be provided with first pull bar and second pull bar through contiguous block respectively on the first stretching driving cylinder and the second stretching driving cylinder piston rod separately, first pull bar and second pull bar are positioned at moulding and divide on the page; Described bearing moulding divide the both sides of the page be movably hinged with respectively the first L shaped hush panel and second hush panel and respectively with first hush panel and the corresponding first upset driving mechanism of second hush panel and the second upset driving mechanism; First hush panel is identical with the structure of second hush panel, includes: returning face plate and vertically be arranged on the grip block on the returning face plate.
Described bearing is arranged on the base through elevating mechanism; This elevating mechanism comprises: be arranged on worm gear case on the base, be arranged on the worm gear in the worm gear case and be located in the worm gear case and worm screw worm wheel; Be provided with the up-down screwed hole in the worm gear; Be equipped with screw rod in this up-down screwed hole, the top of screw rod links to each other with described bearing.
Also be provided with at least one vertically-guided bar that parallels with screw rod on the described bearing, described base is provided with the fairlead that matches with the vertically-guided bar, and the lower end activity of vertically-guided bar is located in the corresponding fairlead.
Described vertically-guided bar has two at least, all vertically-guided pole pairs claim to be arranged in screw rod around.
Described bearing also is provided with at least one horizontally-guided bar parallel with the moving direction of second pull bar with first pull bar, and described contiguous block activity is located on the horizontally-guided bar.
Described contiguous block is L-shaped; Its support end links to each other with the piston rod of the first stretching driving cylinder or the second stretching driving cylinder; Offer the pull rod screw hole consistent with pipe discharging direction on its pull bar installation end, the respective ends of described first pull bar and second pull bar is arranged in the pull rod screw hole of corresponding pair of nubs through screw thread.
The described first stretching driving cylinder and the second stretching driving cylinder are oil cylinder or cylinder.
The described first upset driving mechanism comprises: the first upset driving cylinder and the first cylinder body journal stirrup that is arranged on bearing one side; The cylinder body of the first upset driving cylinder is movably articulated on the bearing through the first cylinder body journal stirrup, and the piston rod of the first upset driving cylinder is movably hinged through the returning face plate of the first upset journal stirrup and described first hush panel; The described second upset driving mechanism comprises: the second upset driving cylinder and the second cylinder body journal stirrup that is arranged on the bearing opposite side; The cylinder body of the second upset driving cylinder is movably articulated on the bearing through the second cylinder body journal stirrup, and the piston rod of the second upset driving cylinder is movably hinged through the returning face plate of the second upset journal stirrup and described second hush panel.
The described first upset driving cylinder and the second upset driving cylinder are oil cylinder or cylinder.
The invention has the beneficial effects as follows: the present invention is L shaped through hush panel is arranged to; And realize the clamping of upset and the hush panel of hush panel to pipe through the switching mechanism that two covers are arranged symmetrically in the bearing both sides; So just both need not raise mould; Need not it be located in the mould again, structure is very simple, uses also very convenient; And the opposite stretching driving cylinder of a pair of action direction that is arranged in the bearing can be worked simultaneously, and pipe is evenly stretched to both sides, improves stretching efficient.In addition; The elevating mechanism that is arranged between bearing and the base can be according to the different size of mould institute shaped article; The position of the hush panel of adjusting yoke can be improved the scope of application of the present invention greatly, and; The elevating mechanism here adopts the worm and gear structure that has auto-lock function, and is very simple and practical; Elevating mechanism by be arranged on the bearing the vertically-guided bar be arranged on the cooperatively interacting of the fairlead on the base under, it is more steady to go up and down, and makes more stable work of the present invention, the quality of raising finished product.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the partial structurtes sketch map of the left apparent direction of Fig. 1.
Among Fig. 1 to Fig. 2: 1, base, 2, bearing, 3, the first stretching driving cylinder, 4, the second stretching driving cylinder, 5, contiguous block, 7, first pull bar; 8, second pull bar, 9, first hush panel, 10, second hush panel, 11, returning face plate, 12, grip block; 13, elevating mechanism, 131, worm gear case, 132, worm gear, 133, worm screw, 134, screw rod; 135, vertically-guided bar, 136, fairlead, 14, the first upset driving cylinder, 15, the first cylinder body journal stirrup, 16, the first upset journal stirrup; 17, the second upset driving cylinder, 18, the second cylinder body journal stirrup, 19, the second upset journal stirrup, 20, the horizontally-guided bar, 21, the air blowing mount pad.
The specific embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present invention in detail.
As depicted in figs. 1 and 2; Pipe stretching closing device in the plastic hollow make-up machine of the present invention; Comprise: base 1; Base 1 is provided with pipe port stretching device, and its structure comprises: be arranged on the bearing 2 on the base 1, be provided with the first opposite stretching driving cylinder 3 of action direction and the second stretching driving cylinder 4 in the bearing 2; Being provided with first pull bar 7 and second pull bar, 8, the first pull bars 7 and second pull bar 8 through contiguous block 5 respectively on the first stretching driving cylinder 3 and the second stretching driving cylinder 4 piston rod separately is positioned at moulding and divides on the page (binding face after mould closes up); Described bearing 2 also is provided with a pair of horizontally-guided bar 20 parallel with the moving direction of second pull bar 8 with first pull bar 7, and described contiguous block 5 activities are located on the horizontally-guided bar 20; Described bearing 2 moulding divide the both sides of the page be movably hinged with respectively the first L shaped hush panel 9 and second hush panel 10 and respectively with first hush panel 9 and second hush panel, the 10 corresponding first upset driving mechanisms and the second upset driving mechanism; First hush panel 9 is identical with the structure of second hush panel 10, includes: returning face plate 11 and vertically be arranged on the grip block 12 on the returning face plate 11; The described first upset driving mechanism comprises: the first upset driving cylinder 14 and the first cylinder body journal stirrup 15 that is arranged on bearing 2 one sides; The cylinder body of the first upset driving cylinder 14 is movably articulated on the bearing 2 through the first cylinder body journal stirrup 15, and the piston rod of the first upset driving cylinder 14 is movably hinged through the returning face plate 11 of the first upset journal stirrup 16 with described first hush panel 9; The described second upset driving mechanism comprises: the second upset driving cylinder 17 and the second cylinder body journal stirrup 18 that is arranged on bearing 2 opposite sides; The cylinder body of the second upset driving cylinder 17 is movably articulated on the bearing 2 through the second cylinder body journal stirrup 18, and the piston rod of the second upset driving cylinder 17 is movably hinged through the returning face plate 11 of the second upset journal stirrup 19 with described second hush panel 10.
In the present embodiment; In order to improve adaptability of the present invention; Described bearing 2 is arranged on the base 1 through elevating mechanism 13, and this elevating mechanism 13 comprises: be arranged on the base 1 worm gear case 131 be arranged on the worm gear 132 in the worm gear case 131 and be located in the worm screw 133 of matching in the worm gear case 131 with worm gear 132, be provided with the up-down screwed hole in the described worm gear 132; Be equipped with screw rod 134 in this up-down screwed hole, the top of screw rod 134 links to each other with described bearing 2; Also be provided with a pair of vertically-guided bar 135 that parallels with screw rod 134 on the described bearing 2, this a pair of vertically-guided bar 135 is arranged symmetrically in the both sides of screw rod 135; Described base 1 is provided with the fairlead 136 that matches with vertically-guided bar 135, and the lower end activity of vertically-guided bar 135 is located in the corresponding fairlead 136.
For first pull bar 7 and second pull bar 8 that can change different length as required; Simultaneously; In order to dodge a pair of air blowing mount pad 21 that is used to install inflatable body, described contiguous block 5 is L-shaped, and its support end links to each other with the piston rod of the first stretching driving cylinder 3 or the second stretching driving cylinder 4; Offer the pull rod screw hole consistent with pipe discharging direction on its pull bar installation end, the respective ends of described first pull bar 7 and second pull bar 8 is arranged in the pull rod screw hole of corresponding pair of nubs 5 through screw thread.
The above-mentioned first stretching driving cylinder 3, the second stretching driving cylinder 4, the first upset driving cylinder 14 and the second upset driving cylinder 17 adopt oil cylinders or cylinder all can; But in order to keep curable grip preferably, generally, the first upset driving cylinder 14 and the second upset driving cylinder 17 adopt oil cylinder.
During use, first pull bar 7 and second pull bar 8 are in and close up state, the pipe of from the die orifice of plastic hollow make-up machine die head, extruding; When arriving preseting length; Pipe covers on first pull bar 7 and second pull bar 8 wherein, starts the first stretching driving cylinder 3 and the second stretching driving cylinder 4 is worked simultaneously, makes its piston rod that stretches out simultaneously be with first pull bar 7 and second pull bar 8 to two side shiftings through corresponding pair of nubs 5; The lower edge of pipe is evenly stretched until putting in place to both sides; Then, the first upset driving cylinder 14 and the second upset driving cylinder 15 are worked simultaneously, with corresponding first hush panel 9 and 10 upsets of second hush panel; Pipe after the grip block 12 of grip block 12 and second hush panel 10 of the hush panel 9 of winning will be stretched grasps, and the end opening that is about to pipe is sealed.
Claims (10)
1. the pipe stretching closing device in the plastic hollow make-up machine; Comprise: base (1); It is characterized in that: described base (1) is provided with pipe port stretching device; Its structure comprises: be arranged on the bearing (2) on the base (1); Be provided with the first opposite stretching driving cylinder (3) of action direction and the second stretching driving cylinder (4) in the bearing (2), be provided with first pull bar (7) and second pull bar (8) through contiguous block (5) respectively on the first stretching driving cylinder (3) and the second stretching driving cylinder (4) piston rod separately, first pull bar (7) and second pull bar (8) are positioned at moulding and divide on the page; Described bearing (2) moulding divide the both sides of the page be movably hinged with respectively L shaped first hush panel (9) and second hush panel (10) and respectively with first hush panel (9) and the corresponding first upset driving mechanism of second hush panel (10) and the second upset driving mechanism; First hush panel (9) is identical with the structure of second hush panel (10), includes: returning face plate (11) and vertically be arranged on the grip block (12) on the returning face plate (11).
2. pipe stretching closing device as claimed in claim 1; It is characterized in that: described bearing (2) is arranged on the base (1) through elevating mechanism (13); This elevating mechanism (13) comprising: be arranged on worm gear case (131) on the base (1), be arranged on the worm gear (132) in the worm gear case (131) and be located in the worm screw (133) of matching with worm gear (132) in the worm gear case (131); Worm gear is provided with the up-down screwed hole in (132); Be equipped with screw rod (134) in this up-down screwed hole, the top of screw rod (134) links to each other with described bearing (2).
3. pipe stretching closing device as claimed in claim 2; It is characterized in that: also be provided with at least one vertically-guided bar (135) that parallels with screw rod (134) on the described bearing (2); Described base (1) is provided with the fairlead (136) that matches with vertically-guided bar (135), and the lower end activity of vertically-guided bar (135) is located in the corresponding fairlead (136).
4. pipe stretching closing device as claimed in claim 2 is characterized in that: described vertically-guided bar (135) has two at least, all vertically-guided bars (135) be arranged symmetrically in screw rod (135) around.
5. pipe stretching closing device as claimed in claim 1; It is characterized in that: described bearing (2) also is provided with at least one horizontally-guided bar (20) parallel with the moving direction of second pull bar (8) with first pull bar (7), and described contiguous block (5) activity is located on the horizontally-guided bar (20).
6. pipe stretching closing device as claimed in claim 5; It is characterized in that: described contiguous block (5) is L-shaped; Its support end links to each other with the piston rod of the first stretching driving cylinder (3) or the second stretching driving cylinder (4); Offer the pull rod screw hole consistent with pipe discharging direction on its pull bar installation end, the respective ends of described first pull bar (7) and second pull bar (8) is arranged in the pull rod screw hole of corresponding pair of nubs (5) through screw thread.
7. like each described pipe stretching closing device in the claim 1 to 6, it is characterized in that: the described first stretching driving cylinder (3) and the second stretching driving cylinder (4) are oil cylinder or cylinder.
8. like each described pipe stretching closing device in the claim 1 to 6; It is characterized in that: the described first upset driving mechanism comprises: the first upset driving cylinder (14) and be arranged on the first cylinder body journal stirrup (15) of bearing (2) one sides; The cylinder body of the first upset driving cylinder (14) is movably articulated on the bearing (2) through the first cylinder body journal stirrup (15), and the piston rod of the first upset driving cylinder (14) is movably hinged through the returning face plate (11) of the first upset journal stirrup (16) with described first hush panel (9); The described second upset driving mechanism comprises: the second upset driving cylinder (17) and be arranged on the second cylinder body journal stirrup (18) of bearing (2) opposite side; The cylinder body of the second upset driving cylinder (17) is movably articulated on the bearing (2) through the second cylinder body journal stirrup (18), and the piston rod of the second upset driving cylinder (17) is movably hinged through the returning face plate (11) of the second upset journal stirrup (19) with described second hush panel (10).
9. pipe stretching closing device as claimed in claim 7 is characterized in that: the described first upset driving cylinder (14) and the second upset driving cylinder (17) are oil cylinder or cylinder.
10. pipe stretching closing device as claimed in claim 8 is characterized in that: the described first upset driving cylinder (14) and the second upset driving cylinder (17) are oil cylinder or cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210248846.8A CN102729454B (en) | 2012-07-18 | 2012-07-18 | Pipe billet stretching sealing device of plastic hollow forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210248846.8A CN102729454B (en) | 2012-07-18 | 2012-07-18 | Pipe billet stretching sealing device of plastic hollow forming machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102729454A true CN102729454A (en) | 2012-10-17 |
| CN102729454B CN102729454B (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210248846.8A Active CN102729454B (en) | 2012-07-18 | 2012-07-18 | Pipe billet stretching sealing device of plastic hollow forming machine |
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| Country | Link |
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| CN (1) | CN102729454B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894220A (en) * | 2015-12-17 | 2017-06-27 | 上海新安汽车隔音毡有限公司 | A kind of mould and moulding process of hollow felt |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3632262A (en) * | 1969-09-12 | 1972-01-04 | Phillips Petroleum Co | Angled cutoff in bottom of blow mold |
| JPH06304997A (en) * | 1993-04-27 | 1994-11-01 | Ube Ind Ltd | Blow molding method |
| CN101130274A (en) * | 2006-08-22 | 2008-02-27 | 东莞佳鸿机械制造有限公司 | Device of blow molding machine for drawing and air-blowing for bottle perform |
| CN101544058A (en) * | 2008-03-28 | 2009-09-30 | 北京化工大学 | Process and device for preparing biaxial-oriented plastic pipe |
| CN202727325U (en) * | 2012-07-18 | 2013-02-13 | 苏州同大机械有限公司 | Tube blank stretching sealing device of plastic blow-molding machine |
-
2012
- 2012-07-18 CN CN201210248846.8A patent/CN102729454B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3632262A (en) * | 1969-09-12 | 1972-01-04 | Phillips Petroleum Co | Angled cutoff in bottom of blow mold |
| JPH06304997A (en) * | 1993-04-27 | 1994-11-01 | Ube Ind Ltd | Blow molding method |
| CN101130274A (en) * | 2006-08-22 | 2008-02-27 | 东莞佳鸿机械制造有限公司 | Device of blow molding machine for drawing and air-blowing for bottle perform |
| CN101544058A (en) * | 2008-03-28 | 2009-09-30 | 北京化工大学 | Process and device for preparing biaxial-oriented plastic pipe |
| CN202727325U (en) * | 2012-07-18 | 2013-02-13 | 苏州同大机械有限公司 | Tube blank stretching sealing device of plastic blow-molding machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894220A (en) * | 2015-12-17 | 2017-06-27 | 上海新安汽车隔音毡有限公司 | A kind of mould and moulding process of hollow felt |
| CN106894220B (en) * | 2015-12-17 | 2019-10-01 | 上海新安汽车隔音毡有限公司 | A kind of molding die and moulding process of hollow felt |
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| Publication number | Publication date |
|---|---|
| CN102729454B (en) | 2014-06-04 |
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