CN102390102B - Plastic hook piece rolling mold - Google Patents
Plastic hook piece rolling mold Download PDFInfo
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- CN102390102B CN102390102B CN 201110323309 CN201110323309A CN102390102B CN 102390102 B CN102390102 B CN 102390102B CN 201110323309 CN201110323309 CN 201110323309 CN 201110323309 A CN201110323309 A CN 201110323309A CN 102390102 B CN102390102 B CN 102390102B
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- hollow shaft
- sheet
- inner cone
- expansion set
- cone expansion
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Abstract
The invention discloses a plastic hook piece rolling mold which comprises a hollow shaft, a plurality of working circular thin pieces, adjusting circular thin pieces and compression nuts, wherein the hollow shaft is composed of an upper shaft head, a lower shaft head, an outer conical cylinder between the upper shaft head and the lower shaft head and an inner conical expansion sleeve sheathed on the outer conical cylinder; the plurality of working circular thin pieces and the adjusting circular thin pieces are sequentially sheathed on the hollow shaft; the compression nuts are arranged at thetwo ends of the hollow shaft and compress the working circular thin pieces and the adjusting circular thin pieces; the compression nuts correspond to the diameters of the outer conical cylinder and the inner conical expansion sleeve; an annular shoulder is arranged at one end of the inner conical expansion sleeve; an axial opening is arranged on the peripheral wall of the inner conical expansion sleeve; and a cooling liner is arranged in the hollow shaft. The inner conical expansion sleeve with the axial opening expands under the extrusion of the compression nuts, thereby eliminating the radial clearances between the inner holes of the working circular thin pieces and the adjusting circular thin pieces and the central shaft, improving the coaxiality and roundness of the rolling mold and enabling the thickness of a plastic hook piece to be more uniform. In addition, through cooling of the cooling liner, the mold stripping effect of the rolling mold is improved.
Description
Technical field
The present invention relates to a kind of mould of plastics, particularly relate to a kind of plastic hook sheet roll die, it comprises hollow shaft, is arranged on the some work circle sheets on the hollow shaft and adjusts circle sheet; Described some work circle sheets and adjust circle sheet and be set in successively that clamp nut compresses on the hollow shaft two ends on the described hollow shaft and by being arranged on.
Background technology
At present, adopt existing report of plastic hook sheet roll die of column structure, a kind of extrusion type Hook of thread gluing strap production special combination mould is disclosed as CN201175979Y, comprise central shaft, serial connection is superimposed with the some circle sheets that external diameter is identical on this central shaft, and each circle sheet is pressed to be fixed on constitutes the assembling combination column structure on the central shaft, the outward flange of each sheet circle sheet then is densely covered with a plurality of breach, and the shape of breach is corresponding with the hook of Hook of thread gluing strap.And CN201566090U discloses a kind of magic tape particular manufacturing craft, comprise central shaft, serial connection is superimposed with some external diameter work circle sheets identical, the penetrating breach of outside marginal zone on this central shaft, it is identical with work circle sheet external diameter and not with the adjustment circle sheet of penetrating breach to be characterized in being provided with between the described work circle sheet a slice at least, the penetrating breach of described adjustment circle sheet and described work circle sheet constitutes the hook post die cavity of thread gluing buckle post, and work circle sheet and adjust circle sheet and pressed to be fixed on and constitute the assembling combination column structure on the central shaft.
Above-mentioned disclosed two kinds of particular manufacturing crafts combination, its combining structure between correlated parts and press method and exist wretched insufficiency makes it to influence the quality of finished product; Disclose described work circle sheet and adjust circle sheet when assembling combination becomes column structure, all be directly to be enclosed within the multi-disc thin slice on the central shaft, the professional person knows that all the cooperation of the concentricity axle of thin slice endoporus this moment is bigger matched in clearance, when be fixed be assembled into column structure after the circularity of its whole axiality and cylindrical periphery all be difficult to controlled and guarantee, cause plastic hook sheet (Hook of thread gluing strap) uneven thickness, hook post behind the finished product just to differ; Disclose described work circle sheet and adjust circle sheet when assembling combination becomes column structure, there is not the accurate in locating device between thin slice and the central shaft, like this, when being fixed because the revolving force effect of securing member or end cap, can produce between adjacent work circle sheet after the outer peripheral penetrating moulding breach combination not on the same bus of cylinder, it is disorderly to cause its hook post of plastic hook sheet behind the finished product to distribute, and does not reach instructions for use.Disclosing described central shaft is quill shaft, in cavity, be provided with heating rod or be perfused with and add deep fat formation mould inside heater, but raw material becomes dope after high temperature melting in actual production process, extrude by extruder, enter plastic hook sheet roll die through becoming the continuity sheet material behind the level and smooth sheet mould, this moment, the continuity sheet material was in the condition of high temperature, its temperature up to 200 ℃ about, hook post after the roll forming of plastic hook sheet roll die must be cooled off immediately, rather than heating, otherwise the plastic hook sheet after the moulding can't peel off from roll die smoothly, the hook segment post sticks on the penetrating moulding breach of work circle sheet, easily produces waste product.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of plastic hook sheet roll die, it is by improving the center spindle structure that is used for sheathed work circle sheet and adjustment circle sheet, to the work circle sheet with adjust circle sheet and carry out assembling combination when stepping up, central shaft is swelling automatically simultaneously, elimination work circle sheet and adjust the circle sheet endoporus and central shaft between radial clearance, improved axiality and the circularity of roll die.In addition, by the improvement to work circle sheet and adjustment circle sheet inner hole structure, to the work circle sheet with adjust circle sheet and carry out making when assembling combination is stepped up between adjacent work circle sheet on the same bus of outer peripheral penetrating moulding breach combination back at cylinder, the plastic hook sheet hook post behind the finished product distributes more neat.
Another purpose more of the present invention is to change the heating in the central shaft cavity into logical cooling, has improved the stripping result of rolling forging die.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of plastic hook sheet roll die comprises hollow shaft, is arranged on the some work circle sheets on the hollow shaft and adjusts circle sheet; Described some work circle sheets and adjust circle sheet and be set in successively that clamp nut compresses on the hollow shaft two ends on the described hollow shaft and by being arranged on; Described hollow shaft comprises spindle nose, following spindle nose, goes up the external conical-tube between spindle nose and the following spindle nose, and is set in the inner cone expansion set on the described external conical-tube, and described clamp nut is corresponding with described external conical-tube and inner cone expansion set diameter; End at described inner cone expansion set is provided with an annular omoplate; Perisporium at described inner cone expansion set is provided with an axially open; In described hollow shaft, be provided with a cooling courage.Particularly, described axially open width is 0.3～0.8 millimeter.By the inner cone expansion set distending under the clamp nut extruding that has axially open, eliminated the radial clearance between work circle sheet and adjustment circle sheet endoporus and the central shaft, improved axiality and the circularity of roll die, make the thickness of plastic hook sheet more even.In addition, by the cooling of cooling courage, improved the stripping result of rolling forging die.
Do not misplace each other in order to make the work circle sheet and to adjust circle sheet, make penetrating moulding breach after the combination on the same bus of cylinder, plastic hook sheet hook post behind the finished product distributes more neat, in described work circle sheet and adjustment circle sheet endoporus, be respectively equipped with some semicircle breach, be provided with steady pin in semicircle breach, described semicircle gap width is greater than described axially open.
For make the work circle sheet and adjust circle sheet after assembling combination is column structure not can with the central shaft displacement that rotates, be provided with the axial long keyway of perforation at described inner cone expansion set outer peripheral face, relative with axially open on the inner cone expansion set perisporium; Described long keyway width equals described semicircle gap width and corresponding with one of them semicircle gap position and be provided with second steady pin.
As an optimal technical scheme of the present invention, described cooling courage comprises an inner bag cylinder; On described inner bag cylinder outer peripheral face, be provided with a helicla flute at least.This helicla flute axially runs through whole inner bag cylinder, and this helicla flute can two or three, produce the helicla flute of bull, makes the coolant distribution in the cooling courage more even, and the time of staying is longer, thereby can improve the cooling effect to rolling forging die better.
Adopt technical scheme of the present invention, have following technique effect: 1, eliminate the radial clearance between work circle sheet and adjustment circle sheet endoporus and the central shaft, improved axiality and the circularity of roll die, make the thickness of plastic hook sheet more even.2, to the work circle sheet with adjust circle sheet and carry out making when assembling combination is stepped up that outer peripheral penetrating moulding breach combination back is on the same bus of cylinder between adjacent work circle sheet, the plastic hook sheet hook post behind the finished product distributes more neat.3, by the cooling of cooling courage, improved the stripping result of rolling forging die.
Description of drawings
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the zoomed-in view at B place among Fig. 1.
Fig. 3 is the A-A profile of Fig. 1.
Fig. 4 is the structural representation of inner cone expansion set among the present invention.
Fig. 5 is the zoomed-in view at C place among Fig. 2.
Wherein, last spindle nose 1, axis hole 101, following spindle nose 2, external conical-tube 3, inner cone expansion set 4, annular omoplate 401, long keyway 402, axially open 403, cooling courage 5, inner bag cylinder 501, helicla flute 502, clamp nut 6, packing ring 7, work circle sheet 8, semicircle breach 801, moulding breach 802, adjustment circle sheet 9, first steady pin 10, second steady pin 11.
The specific embodiment
Referring to Fig. 1 and Fig. 2, a kind of plastic hook sheet roll die comprises by last spindle nose 1, following spindle nose 2, is arranged on the hollow shaft that the external conical-tube 3 inner cone expansion sets 4 between spindle nose 1 and the following spindle nose 2 are formed.External conical-tube 3 endoporus are cylindrical hole, and periphery is taper seat, and inner cone expansion set 4 endoporus are conical bore and outer peripheral face is the face of cylinder.The tapering of the tapering of external conical-tube 3 and inner cone expansion set 4 is adaptive, and inner cone expansion set 4 is set on the external conical-tube 3.Be provided with a cooling courage 5 in the external conical-tube 3 of hollow shaft, this cooling courage 5 comprises that one is provided with the inner bag cylinder 501 of three helicla flutes 502 in periphery.Inner bag cylinder 501 is right after in the cylinder endoporus of external conical-tube 3.Be equipped with the axis hole 101 for cooling fluid in last spindle nose 1 and following spindle nose 2, cooling fluid flows into and by helicla flute 502 cooling fluid is uniformly distributed in the inner hole wall of external conical-tube 3 through this axis hole 101, for roll die is cooled off.
Last spindle nose 1 and following spindle nose 2 are multidiameter, and it is equipped with screw thread and is provided with clamp nut 6 at the big cylindrical with external conical-tube 3 junctions.Spacer sleeve is provided with some work circle sheets 8 and adjusts circle sheet 9 successively on the excircle of inner cone expansion set 4, its quantity on processing plastic hook sheet width and hook post distribution situation decide.It is at inner cone expansion set 4 two ends adjusts circle sheet 9 and is arranged with packing ring 7 two outer ends of adjusting circle sheets 9, packing ring 7 under the extruding of clamp nut 6 with some work circle sheets 8 with adjust circle sheet 9 and compress and be assembled in column structure.
Referring to Fig. 3～Fig. 5, even some penetrating moulding breach 802 that are provided with on the periphery of work circle sheet 8, itself and the hook post shaping mould cavities of adjusting 9 liang of two-phase poststacks formation of circle sheet plastic hook sheet.On the endoporus circumference of work circle sheet 8 and adjustment circle sheet 9, evenly be provided with six half round cut 801.
Inner cone expansion set 4 is an opening elastic conical drogue, and it is provided with an axially open 403 at jacket wall, and is provided with a long keyway 402 at the outer peripheral face of opposite side jacket wall.Axially open 403 is a narrow slit, and its width is about 0.5 millimeter less than the width of half round cut 801.The width of long keyway 402 equals the width of half round cut 801.Small end at inner cone expansion set 4 is provided with an omoplate 401, is used for backstop and is set in the work circle sheet 8 on the inner cone expansion set 4 and adjusts circle sheet 9.
Some work circle sheets 8 with adjust circle sheet 9 and circumferentially fix by inserting first steady pin 10 in five half round cut 801 in the hole within it.These first steady pin, 10 cross sections are crescent, and it is adaptive to protrude side and half round cut 801, and the excircle of concave side and inner cone expansion set 4 is adaptive.
One of them half round cut 801 in six half round cut 801 is corresponding with long keyway 402 on inner cone expansion set 4 outer peripheral faces, and inserts second steady pin 11 therein and make work circle sheet 8 and adjust circle sheet 9 and do circumferentially fixing with inner cone expansion set 4 together.These second steady pin, 11 1 sides are circular arc, and are adaptive with half round cut 801, and opposite side is square, and is adaptive with long keyway 402.
When the clamp nut 6 on being arranged on down spindle nose 2 promotes and compresses work circle sheet 8 and adjusts circle sheet 9, promoting inner cone expansion set 4 simultaneously moves to the big end of external conical-tube 3, make inner cone expansion set 4 distendings, thereby eliminated the gap between inner cone expansion set 4 and work circle sheet 8 and adjustment circle sheet 9 endoporus, carried out interference fit.Because the effect of half round cut 801 and first steady pin 10 and second steady pin 11 can not cause when clamp nut 6 rotates between work circle sheet 8 and the adjustment circle sheet 9, and the circumferential rotation between work circle sheet 8 and adjustment circle sheet 9 and the inner cone expansion set 4.
Above-described embodiment is in order more to be expressly understood the present invention, not as a kind of restriction to right of the present invention, under the prerequisite that does not break away from aim of the present invention, various variations can be arranged, and all these will be included within the scope of this claim the apparent modification of described those skilled in the art.
Claims (3)
1. a plastic hook sheet roll die comprises hollow shaft, is arranged on the some work circle sheets on the hollow shaft and adjusts circle sheet; Described some work circle sheets and adjust circle sheet and be set in successively that clamp nut compresses on the hollow shaft two ends on the described hollow shaft and by being arranged on; It is characterized in that: described hollow shaft comprises spindle nose, following spindle nose, goes up the external conical-tube between spindle nose and the following spindle nose, and is set in the inner cone expansion set on the described external conical-tube, and described clamp nut is corresponding with described external conical-tube and inner cone expansion set diameter; End at described inner cone expansion set is provided with an annular omoplate; Perisporium at described inner cone expansion set is provided with an axially open; In described hollow shaft, be provided with a cooling courage; Be respectively equipped with some semicircle breach in described work circle sheet and adjustment circle sheet endoporus, be provided with first steady pin in semicircle breach, described semicircle gap width is greater than described axially open; Be provided with a long keyway that axially connects at described inner cone expansion set outer peripheral face, relative with axially open on the inner cone expansion set perisporium; Described long keyway width equals described semicircle gap width and corresponding with one of them semicircle gap position and be provided with second steady pin.
2. plastic hook sheet roll die according to claim 1, it is characterized in that: described cooling courage comprises an inner bag cylinder; On described inner bag cylinder outer peripheral face, be provided with a helicla flute at least.
3. plastic hook sheet roll die according to claim 1 and 2, it is characterized in that: described axially open width is 0.3～0.8 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110323309 CN102390102B (en) | 2011-10-22 | 2011-10-22 | Plastic hook piece rolling mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110323309 CN102390102B (en) | 2011-10-22 | 2011-10-22 | Plastic hook piece rolling mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102390102A CN102390102A (en) | 2012-03-28 |
| CN102390102B true CN102390102B (en) | 2013-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110323309 Expired - Fee Related CN102390102B (en) | 2011-10-22 | 2011-10-22 | Plastic hook piece rolling mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102390102B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744372A (en) * | 2012-06-26 | 2012-10-24 | 昆山神昌精密金属制品有限公司 | Shaft core processing mold |
| CN104439918B (en) * | 2014-10-23 | 2017-02-15 | 宜昌船舶柴油机有限公司 | Rolling machining method of sealing tooth section of exhaust connecting pipe |
| CN108215341A (en) * | 2016-12-22 | 2018-06-29 | 上海东冠纸业有限公司 | A kind of embossing rubber roll efficiently repaired |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4775310A (en) * | 1984-04-16 | 1988-10-04 | Velcro Industries B.V. | Apparatus for making a separable fastener |
| US5971738A (en) * | 1997-01-21 | 1999-10-26 | Velcro Industries B.V. | Continuous molding of fasteners and other features |
| CN101336153A (en) * | 2005-12-02 | 2008-12-31 | 通用电气公司 | Microstructured embossing drum and articles made therefrom |
| CN201175979Y (en) * | 2008-03-09 | 2009-01-07 | 余成明 | Special composite mould for producing extrusion type hook of thread gluing strap |
| CN201566090U (en) * | 2009-12-25 | 2010-09-01 | 池万树 | Mould especially for sticky buckle tape |
| CN202293155U (en) * | 2011-10-22 | 2012-07-04 | 宁波科光机电有限公司 | Rolling die for plastic hook piece |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02177128A (en) * | 1988-12-28 | 1990-07-10 | Fuji Photo Film Co Ltd | Calender roll |
-
2011
- 2011-10-22 CN CN 201110323309 patent/CN102390102B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4775310A (en) * | 1984-04-16 | 1988-10-04 | Velcro Industries B.V. | Apparatus for making a separable fastener |
| US5971738A (en) * | 1997-01-21 | 1999-10-26 | Velcro Industries B.V. | Continuous molding of fasteners and other features |
| CN101336153A (en) * | 2005-12-02 | 2008-12-31 | 通用电气公司 | Microstructured embossing drum and articles made therefrom |
| CN201175979Y (en) * | 2008-03-09 | 2009-01-07 | 余成明 | Special composite mould for producing extrusion type hook of thread gluing strap |
| CN201566090U (en) * | 2009-12-25 | 2010-09-01 | 池万树 | Mould especially for sticky buckle tape |
| CN202293155U (en) * | 2011-10-22 | 2012-07-04 | 宁波科光机电有限公司 | Rolling die for plastic hook piece |
Non-Patent Citations (1)
| Title |
|---|
| JP平2-177128A 1990.07.10 |
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|---|---|
| CN102390102A (en) | 2012-03-28 |
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