CN112562921A

CN112562921A - Production device and manufacturing process of sliding small U-shaped conductive bar

Info

Publication number: CN112562921A
Application number: CN202011596826.0A
Authority: CN
Inventors: 冯岳军; 陈立群; 葛晓瑜; 李�城
Original assignee: Jiangyin Electrical Alloy Co Ltd
Current assignee: Jiangyin Electrical Alloy Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-03-26

Abstract

The invention discloses a production device for sliding small U-shaped conductive bars and a manufacturing process thereof. The production device comprises a pay-off device, a leveler, a continuous extrusion device and a hydraulic broach which are arranged in sequence; There is an extrusion die cavity, the extrusion die cavity is provided with an extrusion die, the extrusion die includes an extrusion die base and an extrusion die core, and the extrusion die core is arranged in the extrusion die base; the extrusion die The cross-section of the core is V-shaped, including a first side arm, a second side arm and a chassis that are integrally formed, and the bottom ends of the first side arm and the second side arm are connected smoothly through the chassis; The included angle between the two arms is 10°~45°. The invention realizes the effect that the small U-shaped conductive bars can be energized at different positions; there is no need to adjust the position of the bus bars, or to replace the copper bars separately, which greatly reduces the reconstruction cost and labor cost.

Description

Production device and manufacturing process of sliding small U-shaped conductive bar

Technical Field

The invention relates to the technical field of copper bar production, in particular to a production device of a sliding small U-shaped conductive bar and a manufacturing process thereof.

Background

The bus bar copper bar installation hole is designed on the basis of the traditional bus duct, the installation hole is reserved in advance only in the design stage in the mode of taking electricity from a main line, so that the position cannot be changed, and the bus bar copper bar installation hole can only be redesigned and manufactured on the site in the following process when the site layout is changed.

Therefore, a conductive bar capable of realizing sliding type conduction is needed urgently, the continuous production of a small-sized U-shaped bar with an opening width of 3-4 mm cannot be realized in the prior art, and a directly extruded U-shaped section is easy to break.

Disclosure of Invention

In order to solve the above problems, the present invention provides a device for producing a sliding small U-shaped conductive bar and a manufacturing process thereof, which can achieve sliding type conduction and reduce the cost.

The technical scheme adopted by the invention for solving the problems is as follows: a production device of a sliding small U-shaped conducting bar comprises a pay-off device, a leveling machine, a continuous extrusion device and a hydraulic broaching machine which are arranged in sequence; the continuous extrusion device is provided with an extrusion die cavity, an extrusion die is arranged in the extrusion die cavity, the extrusion die comprises an extrusion die holder and an extrusion die core, and the extrusion die core is arranged in the extrusion die holder; the cross section of the extrusion mold core is V-shaped, the extrusion mold core comprises a first side arm, a second side arm and a chassis which are integrally formed, and the bottom ends of the first side arm and the second side arm are smoothly connected through the chassis; the included angle between the first side arm and the second side arm is 10-45 degrees.

Further, the width of an opening between the first side arm and the second side arm is 3-8 mm.

Further, the thickness of the first side arm and the second side arm is smaller than that of the chassis, the thickness of the first side arm and the second side arm is 2-5 mm, and the thickness of the chassis is 5-10 mm.

Furthermore, a drawing die is arranged on the hydraulic drawing machine and comprises a drawing die holder 7.1 and a drawing die core arranged in the drawing die holder.

Further, the drawing mold core is U-shaped.

Further, the width of a U-shaped opening of the drawing mold core is 3-5 mm.

A manufacturing process of a sliding small U-shaped conductive bar comprises the following steps:

s1, paying off: the material is paid off by a pay-off reel and then enters a leveling machine;

s2, leveling: the material passes through a leveling machine, and the opening of the blank is leveled into a U-like shape;

s3, continuous extrusion: continuous extrusion is realized through a continuous extruder, a die cavity is matched with a die, the die cavity is mainly used for preforming materials, and the die is used for producing a profile blank and forming a V-shaped profile;

s4, drawing: and drawing the V-shaped section into a U-shaped section through a drawing die of a drawing machine.

In S3, the heating temperature of the die and the die sleeve is 500 ℃, and the heating time is 2 hours.

The temperature of the copper rod in S3 is controlled at 620 ℃.

In S3, the initial stage of the extrusion speed is controlled at 2.5r/min, and the normal production is 8 r/min.

Due to the application of the technical scheme, compared with the prior art, the invention has the following beneficial effects:

according to the invention, sliding type conduction can be realized through the small U-shaped row, and a mounting hole does not need to be drilled on the bus bar, so that the mounting position is not limited any more, and the plug block can be electrified for use only by moving to the required position and inserting into the U-shaped copper bar if the position needs to be changed subsequently; the position that can be random shifts and does not increase any cost, can carry out the replacement of different U type plug-ins simultaneously according to the size in space, has effectually saved the space, has reduced use cost.

The invention is applied to flexible data centers, large-scale office places and power distribution places needing to change wiring positions randomly, replaces the existing mode of using long cables as conductive materials, and has the advantages of safety, attractive appearance and more cost.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of the extrusion die cavity of the present invention.

Fig. 3 is a schematic structural view of an extrusion die of the present invention.

Fig. 4 is a front view of the extrusion die of the present invention.

Fig. 5 is a front view of the drawing die of the present invention.

In the figure:

the device comprises a pay-off device 1, a leveling machine 2, a continuous extrusion device 3, an extrusion die cavity 4, an extrusion die 5, an extrusion die base 5.1, an extrusion die core 5.2, a first side arm 5.21, a second side arm 5.22, a chassis 5.23, a hydraulic broaching machine 6, a drawing die 7, a drawing die base 7.1 and a drawing die core 7.2.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

Example 1:

referring to fig. 1-3, a production device of a sliding small-sized U-shaped conducting bar comprises a pay-off device 1, a leveling machine 2, a continuous extrusion device 3 and a hydraulic broaching machine 6 which are arranged in sequence.

The continuous extrusion device 3 is provided with an extrusion die cavity 4, an extrusion die 5 is arranged in the extrusion die cavity 4, the extrusion die 5 comprises an extrusion die holder 5.1 and an extrusion die core 5.2, and the extrusion die core 5.2 is arranged in the extrusion die holder 5.1;

the section of the extrusion mold core 5.2 is V-shaped, the extrusion mold core comprises a first side arm 5.21, a second side arm 5.22 and a chassis 5.23 which are integrally formed, and the bottom ends of the first side arm 5.21 and the second side arm 5.22 are smoothly connected through the chassis 5.23;

the included angle between the first side arm 5.21 and the second side arm 5.22 is 10-45 degrees, and the opening width is 3-8 mm;

the thickness of the first side arm 5.21 and the second side arm 5.22 is smaller than that of the chassis 5.23, the thickness of the first side arm 5.21 and the thickness of the second side arm 5.22 are 2-5 mm, and the thickness of the chassis 5.23 is 5-10 mm.

The hydraulic broaching machine is characterized in that a drawing die 7 is arranged on the hydraulic broaching machine 6, the drawing die 7 comprises a drawing die holder 7.1 and a drawing die core 7.2 arranged in the drawing die holder 7.1, the drawing die core 7.2 is U-shaped, and the opening width is 3-5 mm.

(1) paying off: the material is paid off by a pay-off reel and then enters a leveling machine;

(2) leveling: the material passes through a leveling machine, and the opening of the blank is roughly leveled into a U shape;

(3) continuous extrusion: continuous extrusion is realized through a continuous extruder, a die cavity is matched with a die, the die cavity is mainly used for preforming materials, and the die is used for producing a profile blank and forming a V-shaped profile; the heating temperature of the die and the die sleeve is 500 ℃, and the heating time is 2 hours; the temperature of the copper rod is controlled at 620 ℃; the initial stage of the extrusion rotating speed is controlled at 2.5r/min, and the normal production is 8 r/min;

(4) drawing: and drawing the V-shaped section into a U-shaped section through a drawing die of a drawing machine.

The invention realizes the effect of electrifying through the small U-shaped conducting bar at different positions; the position of the bus bar does not need to be adjusted, or the copper bar is additionally replaced, so that the modification cost and the labor cost are greatly reduced.

In addition to the above embodiments, the present invention also includes other embodiments, and any technical solutions formed by equivalent transformation or equivalent replacement should fall within the scope of the claims of the present invention.

Claims

1. A production device for sliding small U-shaped conductive rows, characterized in that it comprises a pay-off device (1), a leveler (2), a continuous extrusion device (3) and a hydraulic broaching machine (6) arranged in sequence ); an extrusion die cavity (4) is provided on the continuous extrusion device (3), and an extrusion die (5) is provided in the extrusion die cavity (4), and the extrusion die (5) includes an extrusion die (5). A die base (5.1) and an extrusion die core (5.2), the extrusion die core (5.2) is arranged in the extrusion die base (5.1); the extrusion die core (5.2) has a V-shaped section, including integral molding The first side arm (5.21), the second side arm (5.22) and the chassis (5.23), the bottom ends of the first side arm (5.21) and the second side arm (5.22) are connected smoothly through the chassis (5.23); The included angle between the first side arm (5.21) and the second side arm (5.22) is 10°~45°.

2. A production device for sliding small U-shaped conductive bars according to claim 1, characterized in that: the width of the opening between the first side arm (5.21) and the second side arm (5.22) is 3~ 8mm.

3. A production device for sliding small U-shaped conductive bars according to claim 1, characterized in that: the thicknesses of the first side arm (5.21) and the second side arm (5.22) are smaller than the thickness of the chassis (5.23). Thickness, the thickness of the first side arm (5.21) and the second side arm (5.22) is 2~5mm, and the thickness of the chassis (5.23) is 5~10mm.

4. A production device for sliding small U-shaped conductive bars according to claim 1, characterized in that: a drawing die (7) is provided on the hydraulic broaching machine (6), and the drawing die (7) ) includes a drawing die holder (7.1) and a drawing die core (7.2) arranged in the drawing die holder (7.1).

5 . The production device for sliding small U-shaped conductive bars according to claim 4 , wherein the drawing die core ( 7.2 ) is U-shaped. 6 .

6 . The production device for sliding small U-shaped conductive bars according to claim 5 , wherein the U-shaped opening width of the drawing die core ( 7.2 ) is 3-5 mm. 7 .

7. A manufacturing process of sliding small U-shaped conductive row according to claim 1, characterized in that, it comprises the following content:

S1. Pay-off: the material enters the leveling machine after being paid off through the pay-off reel;

S2. Leveling: The material passes through a leveling machine, and the opening of the blank is leveled into a U-like shape;

S3. Continuous extrusion: continuous extrusion is realized through a continuous extruder, the cavity and the mold cooperate with each other, the cavity is mainly used as the preform of the material, and the mold is used to output the profile blank, which is formed into a V-shaped profile;

S4. Drawing: Through the drawing die of the drawing machine, the V-shaped profile is drawn into a U-shaped profile through the drawing die.

8 . The method for making a super U-shaped copper bar according to claim 7 , wherein the heating temperature of the mold and the mold sleeve in S3 is 500° C., and the heating time is 2 hours. 9 .

9 . The method for manufacturing a super U-shaped copper bar according to claim 7 , wherein the temperature of the copper rod in S3 is controlled at 620° C. 10 .

10 . The method for making a super U-shaped copper bar according to claim 7 , wherein the initial stage of the extrusion speed in S3 is controlled at 2.5 r/min, and the normal production is 8 r/min. 11 .