CN214184647U - Continuous extrusion device of super large U type copper bar - Google Patents
Continuous extrusion device of super large U type copper bar Download PDFInfo
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- CN214184647U CN214184647U CN202023250873.8U CN202023250873U CN214184647U CN 214184647 U CN214184647 U CN 214184647U CN 202023250873 U CN202023250873 U CN 202023250873U CN 214184647 U CN214184647 U CN 214184647U
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Abstract
The utility model discloses a continuous extrusion device of an oversized U-shaped copper bar, which comprises a frame, wherein the frame further comprises an extrusion box and a placing table, and the extrusion box is arranged at the upper end of the frame and is fixedly connected with the frame; the machine base is provided with a pay-off reel and a guide wheel, the guide wheel is provided with a connecting rod, one side of the extrusion box is provided with a wire inlet pipe, and the middle of the other side of the extrusion box is provided with an extrusion die; the pay-off reel and the placing table are respectively arranged on two sides of the extrusion box; the extrusion die comprises a die body, the die body comprises a die holder and a die core arranged in the die holder, the section of the die core is W-shaped, and comprises a first oblique section and a second oblique section which are connected in a smooth manner, wherein the first oblique section and the second oblique section are of inverted V-shaped. The utility model discloses use extrusion die and the horizontal extruder integrated into one piece output type W type copper bar of type W type, form super wide U type copper bar after follow-up accessible expandes, guaranteed the holistic homogeneity of product.
Description
Technical Field
The utility model belongs to the technical field of the extrusion die technique and specifically relates to a continuous extrusion device of super large U type copper bar.
Background
Copper bar conduction is a necessary material for electric power conduction in the power transmission and transformation industry. The U-shaped special-shaped copper conducting bar has the characteristics of strong conducting capacity, deformation resistance, energy consumption and material saving and the like, is suitable for occasions with special requirements on the shapes of the sections of conductor materials, and can meet the requirements of upgrading and updating of products in the electrical appliance industry.
In the manufacturing process of U type copper bar, adopt continuous extrusion technique more to the copper pole is the blank, utilizes the frictional force that receives in the extrusion cavity of continuous extrusion machine to make metal temperature rise, leads to metal strength step-down and takes place deformation, and passes through the mould in succession under the effect of traction force, thereby forms U type copper bar. The continuous extrusion technology has the advantages of continuous production, low energy consumption, low cost and the like, but in the production process, the design of the die plays an important role in the production continuity and the product quality.
Because of the limitation of equipment and process, the traditional continuous extrusion and horizontal extrusion can not form a large U-shaped copper bar with the width of more than 250mm, so that the existing large U-shaped copper bar is formed by adopting a welding process, the copper bar is easy to deform after welding, crystal grains at the welding position are thick, the electric conduction and the product strength are influenced, the cracking condition can occur in severe cases, the service life is short, and the corresponding potential safety hazard is caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims at providing a continuous extrusion device of super large U type copper bar improves the wholeness of copper bar, and factor of safety improves greatly to can prolong the life of U type copper bar.
The utility model provides a technical scheme that above-mentioned problem adopted does: the continuous extrusion device for the oversized U-shaped copper bar comprises a base, and further comprises an extrusion box and a placing table, wherein the extrusion box is arranged at the upper end of the base and is fixedly connected with the base; the machine base is provided with a pay-off reel and a guide wheel, the guide wheel is provided with a connecting rod, one side of the extrusion box is provided with a wire inlet pipe, and the middle of the other side of the extrusion box is provided with an extrusion die; the pay-off reel is arranged at the left side of the base and is connected with the base through a rotating rod; the pay-off reel and the placing table are respectively arranged on two sides of the extrusion box; the extrusion die comprises a die body, the die body comprises a die holder and a die core arranged in the die holder, the section of the die core is W-shaped, and comprises a first oblique section and a second oblique section which are connected in a smooth manner, wherein the first oblique section and the second oblique section are of inverted V-shaped.
Furthermore, the leading wheel sets up in frame left side upper end department, and is connected with the frame through the connecting rod, plays spacing guide's effect.
Furthermore, the other side of the first inclined section is connected with a first side arm in a smooth manner, the other side of the second inclined section is connected with a second side arm in a smooth manner, and the first side arm and the second side arm are symmetrically arranged at two sides of the first inclined section and the second inclined section; the die body extrudes W-shaped sectional materials, and the W-shaped sectional materials are shaped by a forming machine to form the U-shaped copper bar.
Further, the included angle between the first inclined section and the second inclined section is 20-45 degrees.
Further, the included angle between the first side arm and the first inclined section is 15-45 degrees, and the included angle between the second side arm and the second inclined section is the same as the included angle between the first side arm and the first inclined section.
Further, the thickness of the first side arm and the second side arm is 10-15 mm.
Further, the thickness of the first inclined section and the second inclined section is 10-12 mm.
Further, the height of the first side arm and the second side arm is 75-85 mm.
Further, the width of the U-shaped copper bar is not less than 400 mm.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model has the following beneficial effect:
(1) the utility model discloses use extrusion die and the horizontal extruder integrated into one piece output type W type copper bar of type W type, recycle the forming machine and form the super wide U type copper bar that the width is greater than or equal to 400mm through launching after, realized integrated into one piece, guaranteed the holistic homogeneity of product.
(2) The utility model discloses changed the technology of the big U type copper bar of traditional weld forming, greatly reduced manufacturing cost, when having improved the wholeness ability of copper bar, factor of safety improves greatly to can prolong the life of U type copper bar.
(3) The utility model discloses an extrusion die utilizes the locating pin to cooperate with the supporting pad, makes the supporting pad at the extrusion in-process disappearance eccentric core, and the cooperation between the two can improve the bearing pressure among the horizontal extrusion process simultaneously.
Drawings
FIG. 1 is a schematic structural view of a continuous extrusion machine of the present invention
Fig. 2 is a schematic structural view of the extrusion die of the present invention.
Fig. 3 is a schematic structural diagram of the W-shaped profile of the present invention.
Fig. 4 is the structural schematic diagram of the U-shaped copper bar of the present invention.
Fig. 5 is a schematic structural view of the support pad of the present invention.
In the figure:
the die comprises a die body 1, a die holder 1.1, a die core 1.2, a first inclined section 1.21, a second inclined section 1.22, a first side arm 1.23, a second side arm 1.24, a limiting hole 1.3, a W-shaped profile 2, a continuous extruder 4, a machine base 4.1, a pay-off reel 4.11, a guide wheel 4.12, an extrusion box 4.2, a placing table 4.3, a supporting pad 4.4, a backing plate 4.41, an inner hole 4.42 and a mounting hole 4.43.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
Example 1:
referring to fig. 1-5, a continuous extrusion device for an oversized U-shaped copper bar comprises a continuous extruder 4.
The continuous extruder 4 comprises a machine base 4.1, the machine base 4.1 further comprises an extrusion box 4.2 and a placing table 4.3, and the extrusion box 4.2 is arranged at the upper end of the machine base 4.1 and is fixedly connected with the machine base 4.1; a pay-off reel 4.11 and a guide wheel 4.12 are arranged on the machine base 4.1, a connecting rod is arranged on the guide wheel 4.12, a wire inlet pipe is arranged on one side of the extrusion box 4.2, and an extrusion die is arranged in the middle of the other side; the pay-off reel 4.11 is arranged at the left side of the base 4.1 and is connected with the base 4.1 through a rotating rod; the pay-off reel 4.11 and the placing table 4.3 are respectively arranged on two sides of the extrusion box 4.2.
The leading wheel 4.12 sets up in frame 4.1 left side upper end department, and is connected with frame 4.1 through the connecting rod, plays spacing guide's effect.
Extrusion die passes through the die holder setting on extrusion case 4.2, is fixed with supporting pad 4.4 on the die holder, supporting pad 4.4 includes backing plate 4.41, is equipped with an inner hole 4.42 on the backing plate 4.41, the top and the below of inner hole 4.42 respectively are equipped with a mounting hole 4.43.
Referring to fig. 1-4, the extrusion die includes a die body 1, the die body 1 includes a die holder 1.1 and a die core 1.2 disposed in the die holder 1.1, a cross section of the die core 1.2 is W-shaped, and includes a first oblique section 1.21 and a second oblique section 1.22 which are smoothly connected, the first oblique section 1.21 and the second oblique section 1.22 are reverse V-shaped, another side of the first oblique section 1.21 is smoothly connected with a first side arm 1.23, another side of the second oblique section 1.22 is smoothly connected with a second side arm 1.24, and the first side arm 1.23 and the second side arm 1.24 are symmetrically disposed at two sides of the first oblique section 1.21 and the second oblique section 1.22.
The die holder 1.1 is also provided with two limiting holes 1.3 which are respectively arranged above and below the die core 1.2 and used for being connected with the supporting pad.
The included angle between the first inclined section 1.21 and the second inclined section 1.22 is 20-45 degrees.
The included angle between the first side arm 1.23 and the first inclined section 1.21 is 15-45 degrees, and the included angle between the second side arm 1.24 and the second inclined section 1.22 is the same as the included angle between the first side arm 1.23 and the first inclined section 1.21.
The thickness of the first side arm 1.23 and the second side arm 1.24 is 10-15 mm.
The thickness of the first inclined section 1.21 and the thickness of the second inclined section 1.22 are 10-12 mm.
The height of the first side arm 1.23 and the height of the second side arm 1.24 are 75-85 mm.
The die comprises a die body 1 and is characterized in that a W-shaped profile 2 is extruded out of the die body 1, the W-shaped profile 2 is shaped into a U-shaped copper bar by a forming machine, and the width of the U-shaped copper bar is not less than 400 mm.
The inner hole 4.42 of the supporting pad 4.4 has the same cross section shape as the mold core 1.2, and the size is slightly larger than the mold core 1.2.
A manufacturing method of an oversized U-shaped copper bar comprises the following steps:
(1) ingot casting: the temperature of the cast ingot is controlled at 800 DEG C
(1) Extruding: the W-shaped section bar is extruded by the continuous extruder, firstly, the W-shaped section bar is wound on a guide wheel through a pay-off reel, then the W-shaped section bar is put into an extrusion box through a wire inlet pipe, the heating temperature of a die and a die sleeve is 500 ℃, the heating time is 4 hours, the W-shaped section bar is extruded through an extrusion die after continuous extrusion, and finally the W-shaped section bar is placed on a placing table.
(2) Shaping: placing the extruded W-shaped section on a workbench of the shaping machine, driving a shaping die to descend by a hydraulic cylinder, and applying pressure to the W-shaped section to realize shaping through switching of a tool fixture; after the shaping is finished, the hydraulic cylinder drives the shaping die to reset, and the W-shaped section bar is converted into a U-shaped copper bar.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims (9)
1. The utility model provides a continuous extrusion device of super large U type copper bar which characterized in that: the device comprises a machine base (4.1), wherein the machine base (4.1) further comprises an extrusion box (4.2) and a placing table (4.3), and the extrusion box (4.2) is arranged at the upper end of the machine base (4.1) and is fixedly connected with the machine base (4.1); a pay-off reel (4.11) and a guide wheel (4.12) are arranged on the machine base (4.1), a connecting rod is arranged on the guide wheel (4.12), a wire inlet pipe is arranged on one side of the extrusion box (4.2), and an extrusion die is arranged in the middle of the other side; the pay-off reel (4.11) is arranged at the left side of the base (4.1) and is connected with the base (4.1) through a rotating rod; the pay-off reel (4.11) and the placing table (4.3) are respectively arranged on two sides of the extrusion box (4.) 2; the extrusion die comprises a die body (1), wherein the die body (1) comprises a die holder (1.1) and a die core (1.2) arranged in the die holder (1.1), the section of the die core (1.2) is W-shaped, the die core comprises a first inclined section (1.21) and a second inclined section (1.22) which are connected in a smooth manner, and the first inclined section (1.21) and the second inclined section (1.22) are inverted V-shaped.
2. The continuous extrusion device of super large U type copper bar of claim 1, characterized in that: the guide wheel (4.12) is arranged at the upper end of the left side of the machine base (4.1) and is connected with the machine base (4.1) through a connecting rod, so that the limiting and guiding effects are achieved.
3. The continuous extrusion device of super large U type copper bar of claim 1, characterized in that: the other side of the first inclined section (1.21) is smoothly connected with a first side arm (1.23), the other side of the second inclined section (1.22) is smoothly connected with a second side arm (1.24), and the first side arm (1.23) and the second side arm (1.24) are symmetrically arranged at two sides of the first inclined section (1.21) and the second inclined section (1.22); the die comprises a die body (1) and is characterized in that a W-shaped profile (2) is extruded out of the die body (1), and the W-shaped profile (2) is shaped into a U-shaped copper bar by a forming machine.
4. The continuous extrusion device of super large U type copper bar of claim 3, characterized in that: the included angle between the first inclined section (1.21) and the second inclined section (1.22) is 20-45 degrees.
5. The continuous extrusion device of super large U type copper bar of claim 3, characterized in that: the included angle between the first side arm (1.23) and the first inclined section (1.21) is 15-45 degrees, and the included angle between the second side arm (1.24) and the second inclined section (1.22) is the same as the included angle between the first side arm (1.23) and the first inclined section (1.21).
6. The continuous extrusion device of super large U type copper bar of claim 3, characterized in that: the thickness of the first side arm (1.23) and the second side arm (1.24) is 10-15 mm.
7. The continuous extrusion device of super large U type copper bar of claim 3, characterized in that: the thickness of the first inclined section (1.21) and the thickness of the second inclined section (1.22) are 10-12 mm.
8. The continuous extrusion device of super large U type copper bar of claim 3, characterized in that: the height of the first side arm (1.23) and the second side arm (1.24) is 75-85 mm.
9. The continuous extrusion device of super large U type copper bar of claim 3, characterized in that: the width of the U-shaped copper bar is not less than 400 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023250873.8U CN214184647U (en) | 2020-12-30 | 2020-12-30 | Continuous extrusion device of super large U type copper bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023250873.8U CN214184647U (en) | 2020-12-30 | 2020-12-30 | Continuous extrusion device of super large U type copper bar |
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| Publication Number | Publication Date |
|---|---|
| CN214184647U true CN214184647U (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023250873.8U Active CN214184647U (en) | 2020-12-30 | 2020-12-30 | Continuous extrusion device of super large U type copper bar |
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| CN (1) | CN214184647U (en) |
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