CN201812589U - Sizing die of longitudinal-covering aluminum-plastic compound tape of waterproof cable - Google Patents
Sizing die of longitudinal-covering aluminum-plastic compound tape of waterproof cable Download PDFInfo
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- CN201812589U CN201812589U CN 201020289110 CN201020289110U CN201812589U CN 201812589 U CN201812589 U CN 201812589U CN 201020289110 CN201020289110 CN 201020289110 CN 201020289110 U CN201020289110 U CN 201020289110U CN 201812589 U CN201812589 U CN 201812589U
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- sizing die
- sizing
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Abstract
The utility model provides an improved sizing die of a longitudinal-covering aluminum-plastic compound tape of a waterproof cable. The sizing die is at least divided into a two-sectional composite structure; an inner hole of a sizing die holder is slightly larger than the external diameter of the composite sizing die; and a pressing spring is arranged in the radial direction of the sizing die, so that the bore diameter of the sizing die can produce fluctuating changes. The bore diameter can be kept fixed under the action of the spring force, so that normal sizing can be achieved; and when the external diameter of a cable core is increased, as a clearance exists between the bore diameter of the sizing die holder and the external diameter of the sizing die, and the cable core is thickened, the pressing spring expands and increases the bore diameter of the sizing die, so that the thickened cable core can pass through the sizing die under the action of a certain pressing force, and the longitudinal-covering aluminum-plastic compound tape has low probability of being snapped, thereby achieving continuous sizing production, greatly improving the production efficiency and correcting the deficiency in the prior art.
Description
Technical field
Utility model is the improvement to water-proof cable aluminum plastic composite belt longitudinal bag plug die, relates in particular to a kind of plug die of working continuously can realized.
Background technology
The cable that uses in the wet environment, especially immerse the special water-proof cable that uses in the water, in order to strengthen the water resistance of cable, avoid cable extraneous water to occur and be penetrated into insulating barrier and produce the water tree and cause cable breakdown, usually vertical bag layer of aluminum plastic composite strip outside the cable core of cable.During preparation vertical alclad plastic composite strip with extrude sheath for example PE carry out simultaneously, vertical alclad plastic composite strip mould, vertical bag mould and back sizing mould two parts before comprising, vertical bag mould is aluminium-plastic tape firmly to be indulged wrap on the cable core, improve water resistance, the overlapping overlap of aluminum plastic composite belt longitudinal bag bonds with the high temperature plastics welding gun, vertical bag back cable core is by the plug die sizing, make that the cable core smooth surface is smooth, so that sheath closely is extruded on the vertical cable core of wrapping, make the cable waterproof better effects if.
The a large amount of plug dies that use of prior art are whole, fixed apertures fast knot structure, yet cable core external diameter in the stranding process is inhomogeneous is often with inevitable, the certain deviation of conductor assembly outer diameter objective reality, overall structure and constant aperture plug die, make the vertical cable core of wrapping the time by the sizing nib, external diameter a little more greatly, just cause aluminium-plastic tape to be broken easily, must shut down and cut off from newly, make production process not carry out smoothly continuously, can not work continuously, cause production efficiency low; Plug die is enlarged, then can cause forfeiture sizing squeeze function again, can not allow the aluminium-plastic tape smooth surface smooth, make waterproof effect descend.Above-mentioned deficiency still has is worth improved place.
The utility model content
The utility model purpose is to overcome above-mentioned the deficiencies in the prior art, provides a kind of and not only can guarantee the sizing effect, and can realize continuous operation, improves the water-proof cable aluminum plastic composite belt longitudinal bag plug die of water-proof cable production efficiency.
The utility model purpose realizes, it is main that to improve one be plug die to be changed into by overall structure be divided into two at least and distinguish combining structure, the 2nd, with fixedly die holder aperture expansion (being slightly larger than the composite sizing die external diameter), and plug die radially one or both sides install spring compression additional, make the sizing nib that expansion reducing among a small circle be arranged, when enlarging by conductor assembly outer diameter, the sizing nib can enlarge thereupon make it by, by after again because of pressing force of the spring, keep former sizing aperture, simultaneously when normal sizing, because spring force effect, the aperture relative fixed keeps due sizing squeezing action, thereby overcomes above-mentioned the deficiencies in the prior art, realizes the utility model purpose.Specifically, utility model water-proof cable aluminum plastic composite belt longitudinal bag plug die, comprise the inner via hole plug die, sizing die holder with outer fit, it is characterized in that plug die is divided into two at least and distinguishes combining structure, at least one direction of sizing die holder endoporus is slightly larger than the composite sizing die external diameter, and the involutory direction of plug die has holddown spring.
Utility model is said:
Plug die is divided into two at least and distinguishes combining structure, and its effect is to make on the plug die internal orifice dimension structure to be variable, and can be divided into two by this design plug die and distinguish combination, also can be to be divided into three to distinguish combination etc., utility model better adopts two to distinguish combining structure, and is comparatively simple.
Consider that actual production conductor assembly outer diameter deviation is not very big,, can satisfy the actual production requirement substantially greater than plug die external diameter 2-5mm from its die holder hole internal diameter of simple placement spring angle so hole enlargement is limited in scope, and needn't be excessive; If but adopted spring leaf, then the aperture magnitude of interference would be then big relatively.The said aperture of utility model, its shape is decided on the plug die profile, can be circular, also can be rectangle, or other shapes, and this does not influence enforcement, but is preferably circular.Sizing die holder endoporus is slightly larger than the composite sizing die external diameter, can be that Zhou Jing is greater than for example circular, also can at least one direction (the involutory direction of plug die), rectangle periphery plug die for example, bottom line only need guarantee the involutory direction of plug die greater than the plug die outside dimension, plug die can be opened when running into particle size it is passed through.
Differentiating the involutory direction of composite sizing die has holddown spring, and its effect is to keep the normal sizing of plug die aperture, causes the normal extrusion sizing is arranged by cable core, and can realize increasing thick automatic diameter changing according to cable core.Holddown spring can adopt helical spring commonly used, also can adopt spring leaf, determining of actual pressing force of the spring, decide on the cable core thickness, a principle can maintain enough to compress and keep normal sizing, increase at cable core again and extrude aluminium-plastic tape outside guaranteeing when thick and do not broken under the prerequisite, can hole enlargement pass through.
In addition, for reducing the sizing nib to increasing the damage of thick cable core outsourcing aluminium-plastic tape, a kind of better is that metering hole inlet wire side has expansion chamfering (being horn mouth), can avoid the isometrical mouthful of damage to vertical alclad plastic composite strip surface.
Utility model water-proof cable aluminum plastic composite belt longitudinal bag plug die, with respect to prior art, because adopting, plug die differentiates combining structure, and fixedly the die holder aperture of plug die is a bit larger tham for example 2-5mm, the involutory direction of composite sizing die has the spring compression structure, thereby makes the plug die aperture can produce unsteady reducing.Under the spring force effect, be maintained fixed the aperture, can realize normal sizing; When conductor assembly outer diameter increases, because there are certain interval in sizing die holder aperture and plug die external diameter, increasing thick cable core compression spring makes composite sizing die open the aperture increase again, make and have under certain thrust effect, increase thick cable core and can pass through plug die, vertical alclad plastic composite strip is not easy to be broken, thereby can realize continuous sizing production, improve the production efficiency height greatly, overcome the deficiencies in the prior art.
Optimize exemplary embodiment below in conjunction with one; utility model essence is further understood in exemplary illustration and help; but the embodiment detail only is for utility model is described; do not represent utility model design whole technical schemes down; therefore should not be construed as the total technical scheme of utility model is limited; some are In the view of the technical staff; the unsubstantiality that does not depart from the utility model design increases and/or change; for example change or replace, all truely use novel protected scope so that technical characterictic with same or similar technique effect is simple.
Description of drawings
Fig. 1 is a utility model composite sizing die structural representation.
Fig. 2 is a plug die structural representation among Fig. 1.
Fig. 3 is a plug die holder structure schematic diagram among Fig. 1.
Fig. 4 is Fig. 1 side-looking structural representation.
Embodiment
Embodiment: referring to accompanying drawing, utility model water-proof cable aluminum plastic composite belt longitudinal bag plug die, form by interior plug die 2 and overcoat matched moulds seat 1, interior plug die by two distinguish 2.1 and 2.2 involutory combinations, in the outer ring structure of metering hole 2.4 is arranged, it respectively has a positioning through hole 2.3 perpendicular to involutory surface up and down, and metering hole inlet wire side has the expansion chamfering; External fixation plug die die holder circular hole directly is a bit larger tham plug die circle external diameter 2-5mm, with plug die positioning through hole corresponding position positioning through hole 1.1 is arranged respectively also, and there is through hole 1.2 at middle part radially both sides, interior placement holddown spring (not providing among the figure), and external application screw thread sealing cap is spacing.During combination, composite sizing die 2 is positioned in sizing die holder 1 hole, in location hole, inserts the pin location, in the through hole 1.2 of both sides radially, place helical spring respectively after, locate with sealing cap.
To those skilled in the art; under this patent design and specific embodiment enlightenment; some distortion that can directly derive or associate from this patent disclosure and general knowledge; those of ordinary skills will recognize also can adopt additive method; or the substituting of known technology commonly used in the prior art; and the mutual various combination between feature; for example plug die is differentiated number change; spring makes spring leaf into; die holder aperture and plug die external diameter size dimension change; die holder hole shape and plug die profile variation; or the like unsubstantiality change, can be employed equally, can both realize this patent representation function and effect; launch for example no longer one by one to describe in detail, all belong to this patent protection range.
Claims (5)
1. water-proof cable aluminum plastic composite belt longitudinal bag plug die, the sizing die holder that comprises inner via hole plug die and outer fit is characterized in that plug die is divided into two at least and distinguishes combining structure, at least one direction of sizing die holder endoporus is slightly larger than the composite sizing die external diameter, and the involutory direction of plug die has holddown spring.
2. according to the described water-proof cable aluminum plastic composite belt longitudinal of claim 1 bag plug die, it is characterized in that plug die periphery and die holder endoporus are rounded.
3. according to the described water-proof cable aluminum plastic composite belt longitudinal of claim 2 bag plug die, it is characterized in that die holder hole internal diameter is greater than plug die external diameter 2-5mm.
4. according to the described water-proof cable aluminum plastic composite belt longitudinal of claim 1 bag plug die, it is characterized in that holddown spring is a helical spring.
5. according to claim 1,2,3 or 4 described water-proof cable aluminum plastic composite belt longitudinal bag plug dies, it is characterized in that metering hole inlet wire side has the expansion chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020289110 CN201812589U (en) | 2010-08-11 | 2010-08-11 | Sizing die of longitudinal-covering aluminum-plastic compound tape of waterproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020289110 CN201812589U (en) | 2010-08-11 | 2010-08-11 | Sizing die of longitudinal-covering aluminum-plastic compound tape of waterproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201812589U true CN201812589U (en) | 2011-04-27 |
Family
ID=43895528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020289110 Expired - Fee Related CN201812589U (en) | 2010-08-11 | 2010-08-11 | Sizing die of longitudinal-covering aluminum-plastic compound tape of waterproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201812589U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290157A (en) * | 2011-06-10 | 2011-12-21 | 河南省通信电缆有限公司 | Steel plastic adhesion comprehensive sheathed cable longitudinal lapping method and special sizing mold group |
| CN102376400A (en) * | 2010-08-11 | 2012-03-14 | 许茂 | Sizing mould of waterproof cable longitudinally wrapped by aluminum-plastic composite tape |
-
2010
- 2010-08-11 CN CN 201020289110 patent/CN201812589U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102376400A (en) * | 2010-08-11 | 2012-03-14 | 许茂 | Sizing mould of waterproof cable longitudinally wrapped by aluminum-plastic composite tape |
| CN102290157A (en) * | 2011-06-10 | 2011-12-21 | 河南省通信电缆有限公司 | Steel plastic adhesion comprehensive sheathed cable longitudinal lapping method and special sizing mold group |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20170811 |