CN102729454B - 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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- CN102729454B CN102729454B CN201210248846.8A CN201210248846A CN102729454B CN 102729454 B CN102729454 B CN 102729454B CN 201210248846 A CN201210248846 A CN 201210248846A CN 102729454 B CN102729454 B CN 102729454B
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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 plastic hollow formation machine, refer more particularly to the pipe stretching sealing device in a kind of plastic hollow formation machine.
Background technology
In plastic hollow moulding industry, in the time needing the plastic products of moulding flat, conventionally need in advance pipe be drawn flatly, and by drawing the pipe after flat to blow in advance, make its shape approach as far as possible finished product.For this reason, in plastic hollow formation machine conventionally face die orifice, mould below be provided with pipe stretching sealing device, comprise: base, on base, be provided with pipe port stretching device, this pipe port stretching device comprises the bearing being arranged on base, in bearing, be provided with the stretching driving cylinder that a pair of action direction is contrary, on this pair of stretching driving cylinder piston rod separately, be respectively arranged with pull bar, above pull bar, be provided with a pair of hush panel and the driving mechanism thereof moving 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 mould, complicated structure; It two is that the position of mould is raised, and adapts with it, and the position of other associated components such as the 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 to change the mould of answering in contrast when the different finished product of moulding, raising of the mounting structure of hush panel and driving mechanism complexity thereof or mould position, capital brings inconvenience to die change, and, increase mould replacing time, reduce production efficiency.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of simple in structure and do not need to raise the pipe stretching sealing device in the plastic hollow formation machine of mould.
For solving the problems of the technologies described above, the technical solution used in the present invention is: the pipe stretching sealing device in a kind of plastic hollow formation machine, comprise: base, on base, be provided with pipe port stretching device, its structure comprises: be arranged on the bearing on base, in bearing, be provided with the first stretching driving cylinder and the second stretching driving cylinder that action direction is contrary, on the first stretching driving cylinder and the second stretching driving cylinder piston rod separately, be provided with the first pull bar and the second pull bar respectively by contiguous block, the first pull bar and the second pull bar are positioned at moulding and divide on the page; Described bearing divides the both sides of the page to be movably hinged with respectively the first L shaped hush panel and the second hush panel and first turnover driving mechanism and second turnover driving mechanism corresponding with the first hush panel and the second hush panel respectively in moulding, the first hush panel is identical with the structure of the second hush panel, includes: returning face plate and be vertically arranged on the grip block on returning face plate.
Described bearing is arranged on base by elevating mechanism, this elevating mechanism comprises: be arranged on worm gear case on base, be arranged on the worm gear in worm gear case and be located in worm gear case and worm screw worm wheel, in worm gear, be provided with elevating screw thread hole, in this elevating screw thread hole, be equipped with screw rod, the top of screw rod is connected with described bearing.
On described bearing, be also provided with at least one vertically-guided bar paralleling with screw rod, be provided with the fairlead matching with vertically-guided bar on described base, the lower end activity of vertically-guided bar is located in corresponding fairlead.
Described vertically-guided bar has two at least, and all vertically-guided bars are arranged symmetrically in screw rod around.
Described bearing is also provided with at least one horizontally-guided bar parallel with the moving direction of the first pull bar and the second pull bar, and described contiguous block activity is located on horizontally-guided bar.
Described contiguous block is L-shaped, its support end is connected with the piston rod of the first stretching driving cylinder or the second stretching driving cylinder, on its pull bar installation end, offer the pull rod screw hole consistent with pipe discharging direction, the first described pull bar and the respective ends of the second pull bar are arranged in the pull rod screw hole of corresponding contiguous block by screw thread.
Described the first stretching driving cylinder and the second stretching driving cylinder are oil cylinder or cylinder.
The first described turnover 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 bearing by the first cylinder body journal stirrup, and the piston rod of the first upset driving cylinder is movably hinged by the returning face plate of the first upset journal stirrup and described the first hush panel; The second described turnover driving mechanism comprises: the second upset driving cylinder and the second cylinder body journal stirrup that is arranged on bearing opposite side, the cylinder body of the second upset driving cylinder is movably articulated on bearing by the second cylinder body journal stirrup, and the piston rod of the second upset driving cylinder is movably hinged by the returning face plate of the second upset journal stirrup and described the second hush panel.
The first described 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 by hush panel is arranged to, and realize upset and the clamping of hush panel to pipe of hush panel by the switching mechanism that two covers are arranged symmetrically in bearing both sides, so just both need not raise mould, need not be located in again in mould, structure is very simple, uses also very convenient; And the contrary stretching driving cylinder of a pair of action direction being arranged in bearing can be worked simultaneously, pipe, to both sides Uniform Tension, is improved to stretching efficiency.In addition, the elevating mechanism being arranged between bearing and base can be according to the different size of mould institute shaped article, the position of the hush panel of adjusting yoke, can greatly improve the scope of application of the present invention, and, the elevating mechanism here adopts the worm gear structure with auto-lock function, very simple and practical; Elevating mechanism is by being arranged on vertically-guided bar on bearing and being arranged under the cooperatively interacting of the fairlead on base, and lifting is more steady, makes work of the present invention more stable, improves the quality of finished product.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the partial structurtes schematic diagram of the left apparent direction of Fig. 1.
In 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, the first pull bar, 8, the second pull bar, 9, the first hush panel, 10, the 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, horizontally-guided bar, 21, air blowing mount pad.
Detailed description of the invention
Below in conjunction with accompanying drawing, describe specific embodiments of the present invention in detail.
As depicted in figs. 1 and 2, pipe stretching sealing device in plastic hollow formation machine of the present invention, comprise: base 1, on base 1, be provided with pipe port stretching device, its structure comprises: be arranged on the bearing 2 on base 1, in bearing 2, be provided with the first stretching driving cylinder 3 and the second stretching driving cylinder 4 that action direction is contrary, on the first stretching driving cylinder 3 and the second stretching driving cylinder 4 piston rod separately, be provided with the first pull bar 7 and the second pull bar 8 by contiguous block 5 respectively, the first pull bar 7 and the second pull bar 8 are positioned at moulding and divide on the page (binding face after mould closes up), described bearing 2 is also provided with the parallel horizontally-guided bar 20 of moving direction a pair of and the first pull bar 7 and the second pull bar 8, and described contiguous block 5 activities are located on horizontally-guided bar 20, described bearing 2 divides the both sides of the page to be movably hinged with respectively the first L shaped hush panel 9 and the second hush panel 10 and first turnover driving mechanism and second turnover driving mechanism corresponding with the first hush panel 9 and the second hush panel 10 respectively in moulding, the first hush panel 9 is identical with the structure of the second hush panel 10, includes: returning face plate 11 and be vertically arranged on the grip block 12 on returning face plate 11, the first described turnover 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 bearing 2 by the first cylinder body journal stirrup 15, and the piston rod of the first upset driving cylinder 14 is movably hinged by the first upset journal stirrup 16 and the returning face plate 11 of described the first hush panel 9, the second described turnover 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 bearing 2 by the second cylinder body journal stirrup 18, and the piston rod of the second upset driving cylinder 17 is movably hinged by the second upset journal stirrup 19 and the returning face plate 11 of described the second hush panel 10.
In the present embodiment, in order to improve adaptability of the present invention, described bearing 2 is arranged on base 1 by elevating mechanism 13, this elevating mechanism 13 comprises: be arranged on the worm gear case 131 on base 1 and be arranged on the worm gear 132 in worm gear case 131 and be located in the worm screw 133 of matching with worm gear 132 in worm gear case 131, in described worm gear 132, be provided with elevating screw thread hole, in this elevating screw thread hole, be equipped with screw rod 134, the top of screw rod 134 is connected with described bearing 2; On described bearing 2, be also provided with a pair of vertically-guided bar 135 paralleling with screw rod 134, this pair of vertically-guided bar 135 is arranged symmetrically in the both sides of screw rod 135; On described base 1, be provided with the fairlead 136 matching with vertically-guided bar 135, the lower end activity of vertically-guided bar 135 is located in corresponding fairlead 136.
In order to change as required the first pull bar 7 and second pull bar 8 of different length, simultaneously, a pair of for the air blowing mount pad 21 of inflatable body is installed in order to dodge, described contiguous block 5 is L-shaped, its support end is connected with the piston rod of the first stretching driving cylinder 3 or the second stretching driving cylinder 4, on its pull bar installation end, offer the pull rod screw hole consistent with pipe discharging direction, the first described pull bar 7 and the respective ends of the second pull bar 8 are arranged in the pull rod screw hole of corresponding contiguous block 5 by screw thread.
Above-mentioned the 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 cylinder or cylinder all can; But in order to keep good curable grip, under normal circumstances, the first upset driving cylinder 14 and the second upset driving cylinder 17 adopt oil cylinder.
When use, the first pull bar 7 and the second pull bar 8 are in closing up state, the pipe of extruding from the die orifice of plastic hollow formation machine die head, while arriving preseting length, pipe covers on the first pull bar 7 and the second pull bar 8 wherein, start the first stretching driving cylinder 3 and the second stretching driving cylinder 4 is worked simultaneously, make its piston rod simultaneously stretching out by corresponding contiguous block 5 with the first pull bar 7 and the second pull bar 8 to two side shiftings, by the lower edge of pipe to both sides Uniform Tension until put in place, then, the first upset driving cylinder 14 and the second upset driving cylinder 15 are worked simultaneously, corresponding the first hush panel 9 and the second hush panel 10 are overturn, the grip block 12 of the first hush panel 9 and the grip block 12 of the second hush panel 10 are clamped the pipe after stretching, end opening by pipe seals.
Claims (9)
1. the pipe stretching sealing device in a plastic hollow formation machine, comprise: base (1), it is characterized in that: on described base (1), be provided with pipe port stretching device, its structure comprises: be arranged on the bearing (2) on base (1), in bearing (2), be provided with the first stretching driving cylinder (3) and the second stretching driving cylinder (4) that action direction is contrary, on the first stretching driving cylinder (3) and the second stretching driving cylinder (4) piston rod separately, be provided with the first pull bar (7) and the second pull bar (8) by contiguous block (5) respectively, the first pull bar (7) and the second pull bar (8) are positioned at moulding and divide on the page, described bearing (2) divides the both sides of the page to be movably hinged with respectively L shaped the first hush panel (9) and the second hush panel (10) and first turnover driving mechanism and second turnover driving mechanism corresponding with the first hush panel (9) and the second hush panel (10) respectively in moulding, the first hush panel (9) is identical with the structure of the second hush panel (10), includes: returning face plate (11) and be vertically arranged on the grip block (12) on returning face plate (11).
2. pipe stretching sealing device as claimed in claim 1, it is characterized in that: described bearing (2) is arranged on base (1) by elevating mechanism (13), this elevating mechanism (13) comprising: be arranged on the worm gear case (131) on base (1), be arranged on the worm gear (132) in worm gear case (131) and be located in the worm screw (133) of matching with worm gear (132) in worm gear case (131), worm gear is provided with elevating screw thread hole in (132), in this elevating screw thread hole, be equipped with screw rod (134), the top of screw rod (134) is connected with described bearing (2).
3. pipe stretching sealing device as claimed in claim 2, it is characterized in that: on described bearing (2), be also provided with at least one vertically-guided bar (135) paralleling with screw rod (134), on described base (1), be provided with the fairlead (136) matching with vertically-guided bar (135), the lower end activity of vertically-guided bar (135) is located in corresponding fairlead (136).
4. pipe stretching sealing device as claimed in claim 3, is characterized in that: described vertically-guided bar (135) has two at least, and all vertically-guided bars (135) are arranged symmetrically in screw rod (134) around.
5. pipe stretching sealing device as claimed in claim 1, it is characterized in that: described bearing (2) is also provided with at least one horizontally-guided bar (20) parallel with the moving direction of the first pull bar (7) and the second pull bar (8), and described contiguous block (5) activity is located on horizontally-guided bar (20).
6. pipe stretching sealing device as claimed in claim 5, it is characterized in that: described contiguous block (5) is L-shaped, its support end is connected with the piston rod of the first stretching driving cylinder (3) or the second stretching driving cylinder (4), on its pull bar installation end, offer the pull rod screw hole consistent with pipe discharging direction, described the first pull bar (7) and the respective ends of the second pull bar (8) are arranged in the pull rod screw hole of corresponding contiguous block (5) by screw thread.
7. the pipe stretching sealing device as described in any one in claim 1 to 6, is characterized in that: described the first stretching driving cylinder (3) and the second stretching driving cylinder (4) are oil cylinder or cylinder.
8. the pipe stretching sealing device as described in any one in claim 1 to 6, it is characterized in that: the first described turnover 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, it is upper that the cylinder body of the first upset driving cylinder (14) is movably articulated in bearing (2) by the first cylinder body journal stirrup (15), and the piston rod of the first upset driving cylinder (14) is movably hinged by the first returning face plate (11) that overturns journal stirrup (16) and described the first hush panel (9); The second described turnover 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, it is upper that the cylinder body of the second upset driving cylinder (17) is movably articulated in bearing (2) by the second cylinder body journal stirrup (18), and the piston rod of the second upset driving cylinder (17) is movably hinged by the second returning face plate (11) that overturns journal stirrup (19) and described the second hush panel (10).
9. pipe stretching sealing device as claimed in claim 8, is characterized in that: described the 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 CN102729454A (en) | 2012-10-17 |
| CN102729454B true CN102729454B (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 | Priority date | Publication date | Assignee | Title |
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| 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 |
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