CN202685285U - Feeding-flow-adjustable extrusion mold of foaming pipe - Google Patents
Feeding-flow-adjustable extrusion mold of foaming pipe Download PDFInfo
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- CN202685285U CN202685285U CN201220377836XU CN201220377836U CN202685285U CN 202685285 U CN202685285 U CN 202685285U CN 201220377836X U CN201220377836X U CN 201220377836XU CN 201220377836 U CN201220377836 U CN 201220377836U CN 202685285 U CN202685285 U CN 202685285U
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- regulator
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Abstract
The utility model relates to a feeding-flow-adjustable extrusion mold of a foaming pipe. The feeding-flow-adjustable extrusion mold of the foaming pipe comprises a cylindrical opening mold which extends transversely and a column-shaped core mold arranged inside the cylindrical opening mold, a tubular clearance between the cylindrical opening mold and the core mold is used as a slurry channel, a core shaft which extends transversely is arranged on the axis of the core mold, and a column-shaped support rod used to connect the core shaft and the opening mold is arranged in the middle of the core mold in axial direction. The feeding-flow-adjustable extrusion mold of the foaming pipe is characterized in that one end of the extrusion mold in the transverse direction is the inlet end, and the other end of the extrusion mold in the transverse direction is the outlet end. At the inlet end position, a regulator is arranged on the core mold, the head portion of the regulator is in a conical shape, the axial distance between the core mold and the regulator is adjustable, the regulator is connected with the core mold through a screw, and the head portion of the regulator is outwards. According to the feeding-flow-adjustable extrusion mold of the foaming pipe, the regulator which is adjustable in axial position is arranged at the inlet end to change the flow at the outlet end of a channel inside a matched feeding mold, operating staff can conveniently and flexibly control the flow, and quality stability of the foaming pipe is guaranteed. An elastic sealing gasket can be arranged between the regulator and the inlet end of the core mold of the extrusion mold, and therefore tightness of the slurry channel is guaranteed, and metal connecting components are protected.
Description
Technical field
The utility model relates to a kind of mould of making plastic pipe, relates in particular to a kind of extrusion die of making foaming tube.
Background technology
The production line of PVC foaming tube or PE foaming tube tubing is comprised of charging mould, extrusion die and other accessory machinery.Foaming tube tubing comprises the annular foaming layer that tubular body is middle with being located at body, and accordingly, the tubing slip also comprises body slip and the foaming slip that is wrapped in the body slip.The charging mould is provided with inside and outside three layers of passage, wherein internal and external channel is walked the body slip, the center-aisle slip of walking to foam, end is charging mould outlet end crossing, interior outer body slip will foam in the middle of slip is wrapped in, form the tubing slip, because the slurry channel of extrusion die is tubular, the tubing slip is when especially the body slip enters from the extrusion die entrance point in the internal channel, cross-flow easily occurs, and therefore common entrance point at extrusion die is fixedly installed the adjuster that head is taper, and adjuster inserts charging mould outlet end internal channel, the change cylindrical passageway is annular channel, makes tubing slip integral body steadily enter slurry channel in the extrusion die by set layering.But because adjuster is immutable with respect to the position of charging mould, charging mould outlet end becomes the internal channel width of annular to be fixed, and operating personnel are controlled relatively poor to the slip flow.
Summary of the invention
The utility model has overcome the deficiencies in the prior art, provides a kind of simple in structure, is convenient to control feed rate, the foaming tube extrusion die that flexibility ratio is high.
For achieving the above object, the technical solution adopted in the utility model is: a kind of foaming tube extrusion die of regulating feed rate, comprise laterally extending tubular mouth mould and be located at the interior column core of mouthful mould, tubulose gap between mouth mould and the core becomes slurry channel, the axis of described core is provided with laterally extending mandrel, axially the middle part is provided with the columnar stays bar of connecting mandrel and mouthful mould outer wall, it is characterized in that: horizontal two ends are respectively arrival end and the port of export, described arrival end place, it is taper and the adjuster adjustable with respect to the axial distance of core that core is provided with head, described adjuster links to each other with core by screw, and head outwardly.
In preferred embodiment of the utility model, comprise that further described screw is axial along core, fill the elastic packing pad in the end play between adjuster and core.
In preferred embodiment of the utility model, further comprise described screw along core radially, the connecting portion with adjuster on the core is provided with two or more vertically screws of diverse location, and described screw matches with described screw respectively.
In preferred embodiment of the utility model, the conical nose that further comprises described adjuster is arranged on the cylindrical body, the ontological idea of freedom end is the adjuster afterbody, described afterbody is provided with deep hole vertically, the end that described core links to each other with adjuster is link, link is provided with the protrusion that profile matches with described deep hole interior shape, is provided with the ring-shaped rubber pad between the end face of the tail end face of adjuster and core link, and described protrusion passes from ring-shaped rubber pad center.
In preferred embodiment of the utility model, comprise that further described screw is positioned at the afterbody deep hole of described adjuster.
In preferred embodiment of the utility model, comprise that further described governor body is cylindrical, described deep hole length vertically is less than screw length and protrusion length sum.
The utility model has solved the defective that exists in the background technology, foaming tube extrusion die of the present utility model arranges the adjustable adjuster of axial location at entrance point, and then change the charging mould internal channel port of export flow be used in conjunction with, convenient operation personnel control flexibly, guarantees the stability of foaming tube quality.Can between the core arrival end of adjuster and extrusion die, the elastic packing pad be set, guarantee the slurry channel sealing, the protection metal connection parts.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of preferred embodiment of the present utility model;
Fig. 2 is the enlarged diagram of part shown in Figure 1;
Among the figure: 1, arrival end, 2, mouthful mould, 3, the port of export, 4, core, 41, link, 5, charging mould outlet end, 6, slurry channel, 7, internal channel, 8, mandrel, 9, horn-like position, 10, support bar, 12, adjuster, 121, head, 122, body, 14, screw, 16, flange, 18, deep hole, 20, protrude 22, pad, 24, screw.
The specific embodiment
In conjunction with the accompanying drawings and embodiments the utility model is described in further detail now, these accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
Embodiment 1: shown in Fig. 1-2, a kind of foaming tube extrusion die of regulating feed rate of the present utility model, comprise laterally extending tubular mouth mould 2 and be located at the interior column core 4 of mouthful mould, tubulose gap between mouth mould 2 and the core 4 becomes slurry channel 6, the axis of described core 4 is provided with laterally extending mandrel 8, axially the middle part is provided with the columnar stays bar 10 of connecting mandrel 8 and mouthful mould 2 outer walls, the horizontal two ends of extrusion die are respectively arrival end 1 and the port of export 3, described arrival end 1 place, it is taper and the adjuster 12 adjustable with respect to the axial distance of core 4 that core 4 is provided with head, described adjuster 12 links to each other with core 4 by screw 14, and head outwardly.Described entrance point 1 is provided with flange 16, is used for linking to each other with the charging mould.Along described entrance point 1 to support bar 10 directions, the slurry channel 6 vertically annulus width of arbitrary section equates, the internal radius of arbitrary section increases gradually.Along support bar 10 to the described port of export 3 directions, slurry channel 6 is divided into two sections, is bordering on a section of support bar 10, and the annulus width of arbitrary section reduces gradually, and the internal radius of arbitrary section also reduces gradually; Be bordering on a section of the described port of export 3, the annulus width of arbitrary section equates, the internal radius of arbitrary section equates.The conical nose 121 of described adjuster 12 is arranged on the cylindrical body 122, body 122 free ends are adjuster 12 afterbodys, described afterbody is provided with deep hole 18 vertically, the end that described core 4 links to each other with adjuster 12 is link 41, link 41 is provided with the protrusion 20 that profile matches with described deep hole 18 interior shapes, be provided with ring-shaped rubber pad 22 between the end face of the tail end face of adjuster 12 and core link 41, described protrusion 20 passes from ring-shaped rubber pad 22 centers.Afterbody deep hole 18, one ends that described screw 14 is positioned at adjuster 12 are fixed in deep hole 18 bottoms, and the other end links to each other with protrusion 20 tops on the core 4, and adjuster 12 and core 4 coaxial settings.Described deep hole 18 length vertically is less than screw 14 length and protrusion 20 length sums.
Embodiment 2(is not shown): be with the difference part of embodiment 1: described screw 14 along core 4 radially, the protrusion 20 of core 4 is provided with the screw 24 that 3-4 is in diverse location vertically, described each screw 24 matches with described screw 14 respectively.During use, cooperate different screws 24 by screw 14 grafting, change adjuster 12 with respect to the axial distance of charging mould outlet end 3.
When making foaming tube, the arrival end 1 of extrusion die and charging mould outlet end 5 link to each other by flange, adjuster 12 heads 121 insert in the charging mould internal channel 7, because it is horn-like that common internal channel 7 two ends are, so adjuster head 121 specifically inserts the horn-like position 9 that internal channel is bordering on charging mould outlet end 5.Change adjuster head 121 distances with respect to the horn-like position 9 of inserting by screw 14, be that the channel sized that forms between the inner conical surface at the male cone (strobilus masculinus) of adjuster head 121 and described horn-like position 9 is also adjusted, be conducive to control the flow of body slip in the internal channel 7.
Above foundation desirable embodiment of the present utility model is enlightenment, and by above-mentioned description, the related personnel can in the scope that does not depart from this utility model technological thought, carry out various change and modification fully.The technical scope of this utility model is not limited to the content on the specification, must determine technical scope according to the claim scope.
Claims (6)
1. the foaming tube extrusion die that can regulate feed rate, comprise laterally extending tubular mouth mould and be located at the interior column core of mouthful mould, tubulose gap between mouth mould and the core becomes slurry channel, the axis of described core is provided with laterally extending mandrel, axially the middle part is provided with the columnar stays bar of connecting mandrel and mouthful mould outer wall, it is characterized in that: horizontal two ends are respectively arrival end and the port of export, described arrival end place, it is taper and the adjuster adjustable with respect to the axial distance of core that core is provided with head, described adjuster links to each other with core by screw, and head outwardly.
2. a kind of foaming tube extrusion die of regulating feed rate according to claim 1, it is characterized in that: described screw is axial along core, fills the elastic packing pad in the end play between adjuster and core.
3. a kind of foaming tube extrusion die of regulating feed rate according to claim 2, it is characterized in that: described screw along core radially, connecting portion with adjuster on the core is provided with two or more vertically screws of diverse location, and described screw matches with described screw respectively.
4. according to claim 2 or 3 described a kind of foaming tube extrusion dies of regulating feed rate, it is characterized in that: the conical nose of described adjuster is arranged on the cylindrical body, the ontological idea of freedom end is the adjuster afterbody, described afterbody is provided with deep hole vertically, the end that described core links to each other with adjuster is link, link is provided with the protrusion that profile matches with described deep hole interior shape, be provided with the ring-shaped rubber pad between the end face of the tail end face of adjuster and core link, described protrusion passes from ring-shaped rubber pad center.
5. a kind of foaming tube extrusion die of regulating feed rate according to claim 4, it is characterized in that: described screw is positioned at the afterbody deep hole of described adjuster.
6. a kind of foaming tube extrusion die of regulating feed rate according to claim 5, it is characterized in that: described governor body is cylindrical, described deep hole length vertically less than screw length with protrude the length sum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220377836XU CN202685285U (en) | 2012-07-31 | 2012-07-31 | Feeding-flow-adjustable extrusion mold of foaming pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220377836XU CN202685285U (en) | 2012-07-31 | 2012-07-31 | Feeding-flow-adjustable extrusion mold of foaming pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202685285U true CN202685285U (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220377836XU Expired - Fee Related CN202685285U (en) | 2012-07-31 | 2012-07-31 | Feeding-flow-adjustable extrusion mold of foaming pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202685285U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814963A (en) * | 2012-07-31 | 2012-12-12 | 昆山圣源机械有限公司 | Foaming pipe extrusion die capable of adjusting flow rate of feeding material |
-
2012
- 2012-07-31 CN CN201220377836XU patent/CN202685285U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814963A (en) * | 2012-07-31 | 2012-12-12 | 昆山圣源机械有限公司 | Foaming pipe extrusion die capable of adjusting flow rate of feeding material |
| CN102814963B (en) * | 2012-07-31 | 2015-08-05 | 昆山圣源机械有限公司 | A kind of foaming tube extrusion die of adjustable feed rate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20130731 |