A kind of section bar of remaining silent of solar energy photovoltaic panel mounting bracket
The utility model relates to a kind of section bar, especially relates to the section bar of remaining silent of the solar energy photovoltaic panel mounting bracket that a kind of manufacture craft is simple, cost of manufacture is low.
Present many section bars generally all are to be made through expressing technique, and this expressing technique generally all has the process of heating, extruding.Extrusion temperature is the technological factor of a most basic and most critical in heating process, and extrusion temperature all produces very big influence to product quality, production efficiency, die life, energy consumption etc., ingot casting to guarantee that all metal temperature remains in certain scope from beginning to be heated to the process of extrudate; And carrying out along with extrusion process; Sometimes also need constantly to change the temperature of metal, this has just proposed higher requirement to manufacture craft, and section bar is made more complicated.In extrusion process, all need use different dies; So just can extrude the section bar of difformity and size; Extrusion also has requirement to extrusion speed in addition, and this just needs the accurate extrusion device of a cover control, and these have all increased the cost of making section bar greatly; Make that the section bar price is higher, be unfavorable for that the user buys.
Like notification number is CN101509648B; Name is called the Chinese invention patent of the section bar processing technology that is used to make the LED street lamp radiation fins, and it adopts aluminium alloy is material, may further comprise the steps: 1. aluminium alloy bars is heated; Be heated to 480-520 degree centigrade; Be incubated 2-4 hour, mold heated to 480-510 degree centigrade, is incubated 2-4 hour; 2. aluminium alloy bars and the mould extruder of packing into is pushed, the section bar that comes out carries out Quenching Treatment, makes section bar be cooled fast to 200 degrees centigrade, puts into cold bed then, is cooled to 50-70 degree centigrade; Next stretch again, scale and actual effect handle.Just there is above-mentioned shortcoming in this invention, and manufacture craft is complicated, and the mould that need match with it, has increased cost of manufacture.
Summary of the invention
The utility model mainly is to solve the prior art section bar generally to be made through expressing technique; The problem that its manufacture craft is complicated, cost of manufacture is high; Providing a kind of forms through bending; Mechanical property is the same, and the section bar of remaining silent of the solar energy photovoltaic panel mounting bracket that manufacture craft is simple, cost of manufacture is low.
The above-mentioned technical problem of the utility model mainly is able to solve through following technical proposals: a kind of section bar of remaining silent of solar energy photovoltaic panel mounting bracket; Section bar is formed by a plate body bending; The two ends of plate body are interlocked each other, constitute the structure of a hollow sealing, and said section bar comprises framework; The draw-in groove of the symmetry that on the framework upper and lower side, having respectively bends inwards forms has two angles in said draw-in groove and framework junction and bends.The utility model medium section is not to make through the mould extruding; But form through the bending back by a plate body; This section bar has identical mechanical property with the section bar that extruding is made, complicated flow processs such as its manufacturing process need not to heat, extruding, and manufacture craft is simpler; And the section bar that the utility model is produced has also been practiced thrift manufacturing materials, greatly reduces manufacturing cost.
As a kind of preferred version, the thickness of the plate body of said formation section bar is 1.2mm ~ 1.5mm.The thickness of this plate body had both made that bending was easier in the manufacturing process, had also guaranteed to make the intensity of section bar after the moulding simultaneously.
As a kind of preferred version, be provided with chamfered transition between the bottom of said draw-in groove and the both sides and link to each other.Strengthened the intensity of draw-in groove.
As a kind of preferred version, leave the gap between the both sides that bend at said angle, clearance height is 0.5mm ~ 1mm.
As a kind of preferred version, the distance between said two draw-in grooves is 10mm ~ 120mm.
As a kind of preferred version, said two jiaos of distances between curved are less than the width of draw-in groove, and two jiaos of distances between curved are 8mm ~ 9mm.
As a kind of preferred version, said plate body is iron plate or aluminium alloy plate.
The section bar manufacture craft of remaining silent of this solar energy photovoltaic panel mounting bracket may further comprise the steps:
A. it is curved on plate body one side, to bend out earlier an angle, then plate body is placed on the curved shape that extrudes draw-in groove in the angle of ining succession on the draw-in groove mould, bends out an angle at the draw-in groove other end again and bends, and produces a complete draw-in groove like this; Then on plate body opposite side symmetric position, adopt and bend out another draw-in groove with quadrat method; On plate body, set the part that will be bent into draw-in groove apart from the position at 1/4 place, two ends respectively, on these two positions, bend out draw-in groove then; The plate body of producing behind the draw-in groove is still in the same plane, and promptly the plate body in plate body between two draw-in grooves and the two draw-in grooves outside all is to locate at grade.Here the mould of usefulness just is used to make the sub-fraction of section bar, and mould is generally less, and cost of manufacture is low, compares mould required in the extrusion process, saves cost greatly.
B. the plate body that will produce behind the draw-in groove is bent into square structure, and two draw-in grooves that form on the plate body lay respectively at the inboard and symmetry in the two ends up and down of square body relatively; On the plate body of the both sides of draw-in groove, set the inflection point respectively; At the place, inflection point plate body is carried out 90 degree bendings, the bending back constitutes a square structure, and makes two of plate body correct the phase interlock; When bending in addition draw-in groove being positioned at the inboard bends; When accomplishing at last, draw-in groove just in time is positioned at the inboard on the both sides up and down of square structure, and two draw-in grooves are symmetrical up and down.
C. the two ends with plate body are connected, and constitute the section bar of a hollow sealing.The plate body two ends of interlock are connected fixing, so just produce the section bar of remaining silent.
As a kind of preferred version, the plate body two ends are weldingly connected through seamless.The plate body two ends are not had seam welding, make the plate body two ends link into an integrated entity.
Therefore, the advantage that the utlity model has is: 1. have plate body to form through bending, manufacture craft is simpler, and cost of manufacture is low, and the section bar of making has with the section bar of producing through expressing technique and has identical mechanical property; 2. need not a lot of moulds in the manufacturing process, practiced thrift production cost.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the utility model;
Accompanying drawing 2 is a kind of schematic flow sheets of the utility model manufacture craft.
3-draw-in groove 4-gap is bent at 1-framework 2-angle.
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
This implements a kind of section bar of remaining silent of solar energy photovoltaic panel mounting bracket, and is as shown in Figure 1, and it is that the iron plate bending of 1.5mm forms that this section bar adopts thickness, the two ends phase interlock of iron plate, and be connected through no seam welding machine, constitute a hollow airtight structure like this.This section bar comprises framework 1; Framework is a rectangle, on the narrow limit up and down of framework, has 2, two the symmetrical settings of draw-in groove of draw-in groove that bend inwards and form respectively; This draw-in groove and framework junction form the angle and bend 2, and the bottom of draw-in groove links to each other through chamfered transition with the draw-in groove two side.Two jiaos of distances between curved are less than the width of draw-in groove, and two jiaos of distances between curved are 8.4mm.Form between two curved limits of angle and be provided with spacing 4, this spacing size is 0.5mm.Formation length after completing is 60mm, and width is 40mm, and distance is 33mm between the interior following draw-in groove of formation.
The present embodiment medium section is made through the mode of bending, and its processing step comprises:
As shown in Figure 2, step 1 need be bent into the part of draw-in groove respectively apart from the position setting at two ends 1/4 on iron plate; Make first draw-in groove; Iron plate is put into the pressure rolling device, need be bent on iron plate one that to bend out earlier an angle on the side of draw-in groove part curved, put into the draw-in groove mould then; Suppress the draw-in groove shape; This draw-in groove one end and angle are curved to be connected, and then on the draw-in groove other end, bends out another angle and bend, and produces the draw-in groove of a bending like this; Then on another place need be bent into the part of draw-in groove, adopt to use the same method and produce second draw-in groove.
Step 2; Set the inflection point in the both sides of two draw-in grooves respectively; In the inflection point iron plate is carried out 90 degree bendings, and draw-in groove is towards interior lateral buckling when bending, like this iron plate is bent into a rectangular framework; Two draw-in grooves symmetry respectively are positioned at up and down on the two narrow limits, and two of iron plate corrects the phase interlock.
Step 3 links into an integrated entity the two ends of iron plate through seamless solder technology, so just produced the formation of this space sealing.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as framework, draw-in groove, angle be curved morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain the essence of the utility model more easily; It all is contrary with the utility model spirit being construed to any additional restriction to them.