CN203578432U - Extruding mold of metal pipe - Google Patents
Extruding mold of metal pipe Download PDFInfo
- Publication number
- CN203578432U CN203578432U CN201320639222.9U CN201320639222U CN203578432U CN 203578432 U CN203578432 U CN 203578432U CN 201320639222 U CN201320639222 U CN 201320639222U CN 203578432 U CN203578432 U CN 203578432U
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- Prior art keywords
- metal tube
- blocking
- blocking block
- extrusion die
- mold
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Abstract
The utility model discloses an extruding mold of a metal pipe. The extruding mold comprises a mold holder and a mold core seat which is arranged in an inner cavity of the mold holder, and the extruding mold also comprises a retainer ring which is arranged outside the mold core seat in a sleeving manner, the inner wall of the retainer ring is provided with a retainer block, and the retainer block is arranged in an annular discharging port formed by the mold core seat and the mold holder so as to stop the flowing of the metal material by the discharging port. By adopting the extruding mold of the metal pipe, the phenomenon that different parts of the produced metal pipe in the circumferential direction are different in thickness and the outer circular shape is irregular can be reduced and even avoided, and the product quality of the metal pipe can be further improved.
Description
Technical field
The utility model relates to tubing production equipment technical field, more particularly, relates to a kind of extrusion die of metal tube.
Background technology
In modern industrial technology, metal pipe material is widely used in numerous areas to play different effects, for example, in cable industry, metal tube (aluminum pipe or copper pipe) be covered by heart yearn outside playing armouring, electrostatic screen, block water and the multiple effect such as conducting failure electric current.
In the prior art, the production technology of metal tube generally comprises sector boss formula production method and continuous production method.Wherein, the production process of sector boss formula production method is first to produce the pipeline section of a section regular length, and then many pipeline sections is connected into the tubing that meets technique length.Although this kind of production method production technology is comparatively ripe, it cannot realize the unremitting continuous production of tubing, and production efficiency is lower.Cannot quantity-produced problem in order to solve metal tube, people work out metal tube quantity-produced method, adopt solid metal as material material, by extruder (please refer to application number be 200910144064.8 Chinese patent), Metallic rod is rubbed continuously and pushed, make solid-state metal pole stock be converted into the metal material of molten state, then flow in the extrusion die of extruder, extrusion die comprises die holder and is arranged on the core rod seat (die holder and core rod seat are all cylindric) in die holder inner chamber, wherein on die holder, be provided with the charging hole that runs through its sidewall, on core rod seat, be provided with the runner with charging aperture conducting, core rod seat is arranged on die holder inwall, each runner is coordinated with die holder inwall and form the pressing cavity with closed sidewall, and runner extends axially to pressing cavity along core rod seat, the metal material of molten state flow into charging aperture by this charging hole and flows in pressing cavity through charging aperture, and the final circular discharging opening place that flow to core rod seat and die holder cooperation formation by pressing cavity, the metal material of molten state is continuously extruded formation metal tube at circular discharging opening.
But, the continuous production method of this kind of metal tube also exists certain defect: because the runner being arranged on core rod seat outer peripheral face is to extend vertically, thereby make the two ends of the each pressing cavity forming directly be communicated with charging aperture and discharging opening, because the pressure that the molten metal material in pressing cavity is subject to is larger, cause the molten metal material kinetic energy directly extruded from discharging opening larger, and the flowing pressure being subject to when the molten metal material in the different pressing cavity that circumferentially distribute is when slightly different, will affect largely the motion state of molten metal material when extruding, and then often cause metal tube week of producing upwards different position to have difference in thickness, cylindrical out-of-shape, had a strong impact on the product quality of metal tube.
Therefore, how producing under the prerequisite of metal tube continuously, further improving the product quality of metal tube, is current those skilled in the art's problem demanding prompt solution.
Utility model content
In view of this, the utility model provides a kind of extrusion die of metal tube, and it can produced under the prerequisite of metal tube continuously, further improves the product quality of metal tube.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of extrusion die of metal tube, comprise die holder and the core rod seat setting within it in chamber, it also comprises the blocking material ring that is set in described core rod seat outside, on described blocking material ring inwall, be provided with material blocking block, described material blocking block is positioned at described core rod seat and die holder and coordinates the circular discharging opening forming to sentence the metal material of the described discharging opening of flowing through is stopped.
Preferably, in the extrusion die of above-mentioned metal tube, described material blocking block is polylith, and being circumferentially evenly distributed on its inwall along described blocking material ring.
Preferably, in the extrusion die of above-mentioned metal tube, described material blocking block is the striped blocks with described blocking material ring inwall with identical radian measure.
Preferably, in the extrusion die of above-mentioned metal tube, the cross section of described material blocking block is fan-shaped.
Preferably, in the extrusion die of above-mentioned metal tube, described material blocking block and the described blocking material ring structure that is formed in one.
Preferably, in the extrusion die of above-mentioned metal tube, described material blocking block and described blocking material ring are dismountable split-type structural.
In the extrusion die of the metal tube that the utility model provides, in the outside of core rod seat, increased sheathed blocking material ring thereon, on the inwall of this blocking material ring, be provided with material blocking block, this material blocking block is positioned at core rod seat and die holder coordinates the circular discharging opening place forming, thereby the metal material to the discharging opening of flowing through stops, its flowing pressure is reduced, flow velocity declines, and then its kinetic energy from discharging opening is extruded is reduced, even the flowing pressure difference that the molten metal material in the different pressing cavity that now circumferentially distribute is subject to, also can the motion state when extruding not impact molten metal material, and then reduce and even avoid metal tube week of producing upwards different position to have difference in thickness, the appearance of cylindrical out-of-shape phenomenon, further improve the product quality of metal tube.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation that the core rod seat of the extrusion die of the metal tube that Fig. 1 provides for the utility model embodiment coordinates with blocking material ring;
Fig. 2 is the front view (4 material blocking blocks to be set as example) of blocking material ring;
Fig. 3 is the axonometric drawing (4 material blocking blocks to be set as example) of blocking material ring;
Fig. 4 is the axonometric drawing (2 material blocking blocks to be set as example) of another structure blocking material ring;
The installation diagram of die holder, core rod seat and blocking material ring that Fig. 5 provides for the present embodiment.
In above Fig. 1-Fig. 5:
Die holder 1, core rod seat 2, blocking material ring 3, material blocking block 4.
The specific embodiment
The utility model provides a kind of extrusion die of metal tube, and it can produced under the prerequisite of metal tube continuously, further improves the product quality of metal tube.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As Figure 1-Figure 5, the extrusion die of the metal tube that the utility model embodiment provides, comprise die holder 1 and the core rod seat 2 setting within it in chamber, it also comprises the blocking material ring 3 that is set in core rod seat 2 outsides, on blocking material ring 3 inwalls, be provided with material blocking block 4, material blocking block 4 is positioned at core rod seat 2 and die holder 1 and coordinates the circular discharging opening forming to sentence the metal material of the discharging opening of flowing through is stopped.
In the extrusion die of the metal tube that the present embodiment provides, in the outside of core rod seat 2, increased sheathed blocking material ring 3 thereon, on the inwall of this blocking material ring 3, be provided with material blocking block 4, this material blocking block 4 is positioned at core rod seat 2 and die holder 1 coordinates the circular discharging opening place forming, thereby the metal material to the discharging opening of flowing through stops, its flowing pressure is reduced, flow velocity declines, and then its kinetic energy from discharging opening is extruded is reduced, even the flowing pressure difference that the molten metal material in the different pressing cavity that now circumferentially distribute is subject to, also can the motion state when extruding not impact molten metal material, and then reduce and even avoid metal tube week of producing upwards different position to have difference in thickness, the appearance of cylindrical out-of-shape phenomenon, further improve the product quality of metal tube.
Preferably, material blocking block 4 is polylith, and being circumferentially evenly distributed on its inwall along blocking material ring 3.Concrete, the material blocking block 4 being arranged on blocking material ring 3 inwalls is preferably 4 (as shown in Figure 2 and Figure 3) or 2 (as shown in Figure 4).Certainly, meeting under the prerequisite of blocking material ring 3 job requirements, material blocking block 4 can be also other set-up mode (quantity, position).
In order further to optimize technique scheme, in the extrusion die of the metal tube that the present embodiment provides, material blocking block 4 is the striped blocks with blocking material ring 3 inwalls with identical radian measure.This kind arranges structure and can farthest to the runner by core rod seat 2 and die holder 1, coordinate the molten metal material in the pressing cavity forming to stop, blocking effect is more outstanding.Certainly, in the case of not affecting the normal work of blocking material ring 3 that the present embodiment provides, material blocking block 4 can also be set to the block of other shapes.
Preferably, the cross section of material blocking block 4 is fan-shaped.This kind has plane and angular structures compared with round and smooth cambered surface, and it can make blocking effect more remarkable.
Further, material blocking block 4 and blocking material ring 3 structure that is formed in one.The blocking material ring 3 of this kind of structure can be simplified its difficulty of processing, only need can make its one-shot forming by the mode of casting, and this structure has also farthest increased the connectivity robustness of material blocking block 4 with the ring body of blocking material ring 3.
Certainly, material blocking block 4 can be also dismountable split-type structural with blocking material ring 3.This kind of structure is conducive to save cost, when the blocking effect of material blocking block 4 reduces, can to material blocking block 4, change separately, and without changing whole blocking material ring 3, thereby can make the ring body of blocking material ring 3 to be fully used.
In this description, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. the extrusion die of a metal tube, the core rod seat (2) that comprises die holder (1) and set within it in chamber, it is characterized in that, also comprise the blocking material ring (3) that is set in described core rod seat (2) outside, on described blocking material ring (3) inwall, be provided with material blocking block (4), described material blocking block (4) is positioned at described core rod seat (2) and die holder (1) and coordinates the circular discharging opening forming to sentence the metal material of the described discharging opening of flowing through is stopped.
2. the extrusion die of metal tube according to claim 1, is characterized in that, described material blocking block (4) is polylith, and being circumferentially evenly distributed on its inwall along described blocking material ring (3).
3. the extrusion die of metal tube according to claim 1, is characterized in that, described material blocking block (4) is the striped blocks with described blocking material ring (3) inwall with identical radian measure.
4. the extrusion die of metal tube according to claim 1, is characterized in that, the cross section of described material blocking block (4) is fan-shaped.
5. according to the extrusion die of the metal tube described in any one in claim 1-4, it is characterized in that described material blocking block (4) and described blocking material ring (3) structure that is formed in one.
6. according to the extrusion die of the metal tube described in any one in claim 1-4, it is characterized in that, described material blocking block (4) is dismountable split-type structural with described blocking material ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320639222.9U CN203578432U (en) | 2013-10-16 | 2013-10-16 | Extruding mold of metal pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320639222.9U CN203578432U (en) | 2013-10-16 | 2013-10-16 | Extruding mold of metal pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203578432U true CN203578432U (en) | 2014-05-07 |
Family
ID=50576409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320639222.9U Expired - Fee Related CN203578432U (en) | 2013-10-16 | 2013-10-16 | Extruding mold of metal pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203578432U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104550293A (en) * | 2013-10-16 | 2015-04-29 | 合肥神马科技集团有限公司 | Extrusion die for metal tube |
-
2013
- 2013-10-16 CN CN201320639222.9U patent/CN203578432U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104550293A (en) * | 2013-10-16 | 2015-04-29 | 合肥神马科技集团有限公司 | Extrusion die for metal tube |
| CN104550293B (en) * | 2013-10-16 | 2017-04-05 | 合肥神马科技集团有限公司 | A kind of extrusion die of metal tube |
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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: 20140507 Termination date: 20191016 |