CN203437442U - Mould structure for flat wide tubing with invisible welding lines - Google Patents
Mould structure for flat wide tubing with invisible welding lines Download PDFInfo
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- CN203437442U CN203437442U CN201320583288.0U CN201320583288U CN203437442U CN 203437442 U CN203437442 U CN 203437442U CN 201320583288 U CN201320583288 U CN 201320583288U CN 203437442 U CN203437442 U CN 203437442U
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- flow
- tap hole
- dividing
- mould structure
- dividing hole
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Abstract
A mould structure for a flat wide tubing with invisible welding lines comprises an upper mould and a lower mould, wherein the upper mould is divided into four flow-dividing holes, namely an upper flow-dividing hole, a lower flow-dividing hole, a left flow-dividing hole and a right flow-dividing hole by a flow-dividing bridge; the upper flow-dividing hole is symmetric to the lower flow-dividing hole, and the left flow-dividing hole is symmetric to the right flow-dividing hole; the left flow-dividing hole and the right flow-dividing hole take the shape of a fan extending outwards; the upper flow-dividing hole and the lower flow-dividing hole take the shape of a smoothly-transitional acute angle with an outward opening. The mould structure ensures reasonable distribution of metal flow entering the flow-dividing holes in an extrusion process by designing the shapes of the flow-dividing holes, ensures the welding lines are at four corners of the tubing, and guarantees the performance and beautiful appearance of a formed tube.
Description
Technical field
The utility model relates to profile extrusion die field, is specifically related to the mould structure that a kind of flat wide materials in the tube are kept away seam line.
Background technology
Aluminium extruded section seam line forms principle, casting rod is under doing of extruding force used, by shunting bridge, be divided into multiply metal, metal is behind seam chamber again seam, and from nib extrusion molding, metal is subject to the impact of seam again, on section bar, form a joint line, after oxidation processes (alkaline etching), section bar joint line is bright line, white line, black line, affects the overall appearance degree of section bar.
The section bar that not oxidised is processed, seam line is sightless, feature is often not easy, in the on-the-spot discovery of extruding, after oxidation processes, could find very much thus, so often because seam line is on decorative cover, affect outward appearance, causes in batches and scraps, and suffers economic loss.Adopt bridge die extrusion section bar, seam line is inevitably, but seam line can be kept away to non-decorative cover or corner, and therefore how avoiding, alleviate seam line is the problem of can not ignore on the impact of section material appearance.
Summary of the invention
For solving the deficiencies in the prior art, the utility model provides a kind of flat wide materials in the tube to keep away the mould structure of seam line, described flat wide materials in the tube are the square hollow materials in the tube that length and width ratio is large, and mould provided by the utility model is located at seam line in four jiaos of flat wide materials in the tube, is promoted section bar working face performance and decorative cover aesthetics.
Flat wide materials in the tube are kept away a mould structure for seam line, comprise upper die and lower die, and described patrix is provided with four tap holes up and down that are separated into by shunting bridge; Described left and right tap hole is abducent fan shape, and described upper and lower tap hole is acute angle shape outward opening, angle rounding off.
Described upper and lower tap hole and left and right tap hole take patrix center as initial point symmetrical separately between two.
Described upper and lower tap hole area is greater than left and right tap hole area.
Described upper and lower tap hole distance is less than left and right tap hole distance.
Described patrix enter the pod apertures that charge level center is provided with depression.
Described pod apertures bottom is provided with step, step bottom surface and side rounding off with left and right tap hole cohesive position.
Flat wide materials in the tube provided by the utility model are kept away the mould structure of seam line, and upper and lower tap hole shunting metal is for the feed of roomy of materials in the tube, and left and right tap hole shunting metal is for the feed of narrow of materials in the tube; Upper and lower tap hole is the acute angle shape of angle rounding off, the arc position that is traditional sector diffuence-hole arranges choked flow cantilever bridge and forms acute angle shape tap hole, shape is as V font, the tap hole of this kind of shape has intercepted part metals stream in section bar extrusion process, and force metal flow to be extruded from left and right tap hole, guarantee each face uniform feeding of materials in the tube, left and right tap hole and pod apertures joining place are provided with the step of sinking simultaneously, metal at the preferential feed of extrusion process to left and right tap hole, seam line is remained on four angles of materials in the tube, guarantee that section bar performance and outward appearance beautify.
Accompanying drawing explanation
Fig. 1 is the utility model upper die structure schematic diagram;
Fig. 2 is Figure 1A-A cross-sectional view.
In figure: 1-patrix, 2-core rod, 3-shunts bridge, 4-tap hole, the upper and lower tap hole of 41-, 42-left and right tap hole, 5-pod apertures, 6-step.
The specific embodiment
Understanding for the ease of those skilled in the art, is described in further detail the utility model below in conjunction with accompanying drawing.
As shown in accompanying drawing 1,2, a kind of flat wide materials in the tube are kept away the mould structure of seam line, comprise patrix 1 and counterdie, described patrix 1 is provided with four tap holes 4 up and down that are separated into by shunting bridge 3, the discharge end of shunting bridge 4 crossover locations is provided with core rod 2, and described upper and lower tap hole 41 and left and right tap hole 42 are symmetrical separately between two, the feed of four faces of the corresponding materials in the tube of described four tap holes 4, the length and width ratio of materials in the tube is large, therefore tap hole 42 standoff distances in left and right are compared far with upper and lower tap hole 41 standoff distances, and upper and lower tap hole 41 areas are greater than left and right tap hole 42 areas, so in extrusion, metal flow is difficult to flow out from left and right tap hole 42, therefore described left and right tap hole 42 is designed to be abducent fan shape, described upper and lower tap hole 41 is outward opening, the acute angle shape of angle rounding off, shape is as V font, the arc position that is traditional sector diffuence-hole arranges choked flow cantilever bridge and forms acute angle shape tap hole.The flow regime of metal has a significant impact product size, generally, the fast part material of metal flow is in liberal supply, seam line squeezes toward the slow position of metal flow, therefore acute angle shape tap hole has intercepted part metals stream in section bar extrusion process, and force metal flow to be extruded from left and right tap hole, guarantee each face uniform feeding of materials in the tube to make seam line traffic control on angle.
Described patrix 1 enter the pod apertures 5 that charge level center is provided with depression, avoided extrusion metal run into perpendicular to its flow direction enter charge level time form metal flow dead band, described pod apertures 5 bottoms and left and right tap hole 42 cohesive positions are provided with step, step 6 bottom surfaces and side rounding off; Due to tap hole 42 areas in left and right are less and distance relatively far apart, at the more difficult left and right tap hole 42 that flow to of extrusion metal, therefore left and right tap hole 42 and pod apertures 5 joining places are provided with the step 6 of sinking, metal at the preferential feed of extrusion process to left and right tap hole 42, seam line is remained on four angles of materials in the tube, guarantee that section bar performance and outward appearance beautify.
The content of mentioning in above-described embodiment is not to restriction of the present utility model, is not departing under the prerequisite of inventive concept of the present utility model, and any apparent replacement is all within protection domain of the present utility model.
Claims (6)
1. flat wide materials in the tube are kept away a mould structure for seam line, comprise patrix (1) and counterdie, it is characterized in that: described patrix (1) is provided with four tap holes (4) up and down that are separated into by shunting bridge (3); Described left and right tap hole (42) is abducent fan shape, and described upper and lower tap hole (41) is acute angle shape outward opening, angle rounding off.
2. described flat wide materials in the tube according to claim 1 are kept away the mould structure of seam line, it is characterized in that: described upper and lower tap hole (41) and left and right tap hole (42) take patrix (1) center as initial point symmetrical separately between two.
3. described flat wide materials in the tube according to claim 2 are kept away the mould structure of seam line, it is characterized in that: described upper and lower tap hole (41) area is greater than left and right tap hole (42) area.
4. described flat wide materials in the tube according to claim 3 are kept away the mould structure of seam line, it is characterized in that: described upper and lower tap hole (41) distance is less than left and right tap hole (42) distance.
5. described flat wide materials in the tube according to claim 4 are kept away the mould structure of seam line, it is characterized in that: described patrix (1) enter the pod apertures (5) that charge level center is provided with depression.
6. described flat wide materials in the tube according to claim 5 are kept away the mould structure of seam line, it is characterized in that: described pod apertures (5) bottom is provided with step (6), step (6) bottom surface and side rounding off with left and right tap hole (42) cohesive position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320583288.0U CN203437442U (en) | 2013-09-22 | 2013-09-22 | Mould structure for flat wide tubing with invisible welding lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320583288.0U CN203437442U (en) | 2013-09-22 | 2013-09-22 | Mould structure for flat wide tubing with invisible welding lines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203437442U true CN203437442U (en) | 2014-02-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320583288.0U Expired - Fee Related CN203437442U (en) | 2013-09-22 | 2013-09-22 | Mould structure for flat wide tubing with invisible welding lines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203437442U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127229A (en) * | 2015-09-24 | 2015-12-09 | 江阴市江顺模具有限公司 | Hot extrusion mold of cantilever frame |
| CN113492160A (en) * | 2020-03-18 | 2021-10-12 | 郭涛 | Extrusion die for producing aluminum alloy wind power tower ladder stand guide rail |
-
2013
- 2013-09-22 CN CN201320583288.0U patent/CN203437442U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127229A (en) * | 2015-09-24 | 2015-12-09 | 江阴市江顺模具有限公司 | Hot extrusion mold of cantilever frame |
| CN113492160A (en) * | 2020-03-18 | 2021-10-12 | 郭涛 | Extrusion die for producing aluminum alloy wind power tower ladder stand guide rail |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 511500 Guangdong city of Qingyuan province high tech Industrial Development Zone, Tai Ji industrial city Patentee after: GUANGDONG HAOMEI ALUMINIUM CO.,LTD. Address before: 511540 Guangdong city of Qingyuan province high tech Industrial Development Zone, Taiji Industrial City No. Patentee before: HAOMEI ALUMINIUM Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20210922 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |