Inside turn over sun power glass flange production mould
Technical field
The utility model relates in a kind of and turns over sun power glass flange production mould.
Background technology
Sun power is with glass flange for metal sealing, and conventional glass flange is Eversible structure at present.The diameter of the glass flange head turning up is greater than the diameter of solar energy heat collection pipe, makes the adjacent solar energy heat collection pipe can not close-packed arrays, cannot effectively utilize space, and sealing surface conference affects sealing effectiveness.Therefore for overcoming above-mentioned defect, in utility model is a kind of, turn over sun power glass flange, the diameter of glass flange head inside turning over is identical with the diameter of solar energy heat collection pipe, again can close-packed arrays solar energy heat collection pipe, effectively utilize space, and the little good sealing effect of sealing surface.But because interior structure of turning over glass flange is special, when making, owing to lacking effective making method and instrument, processing difficulties and yield rate are lower.
Utility model content
According to above deficiency of the prior art, the technical problems to be solved in the utility model is: provide a kind of and can overcome above-mentioned defect, effectively in moulding, turn over glass flange, and yield rate high in turn over glass flange production technique and production mould for sun power.
In provided by the utility model, turn over sun power glass flange production technique,
Comprise the following steps:
A, installation, by glass fiber pipe clamp, to turning attachment, turning attachment can be rotated, and its rotating speed is 60-120 rev/min, the low mould of temperature is carried out to preheating simultaneously, and preheating temperature is greater than 400 ℃;
B, material, light heating duration and degree of heating, and heating duration and degree of heating is adjusted into strength fire, turning attachment drives the rotation of glass hollow billet, makes to heat duration and degree of heating near the glass hollow billet of rotation, the section of being heated of selected glass hollow billet, then heat, the section of being heated of glass hollow billet is melted interior harvest cylinder ring structure;
C, pressing, be adjusted into slow fire by strength fire, and holder mould is boosted, and its advance distance equals the size of bore in flange, and holder mould, pattern are pushed ahead, and pinch roller puts down, until pinch roller and pattern are combined closely, continues rotary glass hollow billet;
D, sizing, keep slow fire, and heating duration and degree of heating is moved down to 20-30mm, and 5-10 makes the temperature of flange head drop to 700 ℃-900 ℃ after second, duration and degree of heating is moved down to 20-30mm again, and 5-10 makes the temperature of flange head drop to 450 ℃-600 ℃ after second, makes just step annealing of flange head, sizing;
E, cooling, closes fiery cooling 5-10 second, lifts pinch roller, and holder mould declines and exits;
F, Qi Kou, dismiss the pipe diameter length of glass flange on request by redundance;
G, roasting mouth, will bake a mouthful machine power transmission igniting, and the glass flange of neat good mouth is put into a roasting mouthful tool part, and rotary fixture part forwards glass flange to flame location, and flange port burns after round and smooth and leaves flame location.
Wherein said material, according to the weight of glass flange flange head thickness, select the length of the glass hollow billet section of being heated, one end of the section of being heated is the mouth of pipe place of glass hollow billet, the other end is initial heating point, heating duration and degree of heating starts heating at initial heating point, the effective strength fire of the glass fiber of initial heating point is heated to 850 ℃-1000 ℃, make after glass hollow billet generation deformation herein, to heat duration and degree of heating moves to mouth of pipe place, its miles of relative movement is 2/3 of the whole section of being heated, move into place post-heating duration and degree of heating put forth one's strength fire glass hollow billet is herein heated to 1100 ℃-1300 ℃, now the section of being heated of glass hollow billet is melted interior receipts and is formed gradually cylinder ring structure, keep temperature-resistant, again heating duration and degree of heating is moved to initial heating point, make the section of being heated of whole glass hollow billet be melted into the cylinder ring structure of rotation, when the internal diameter of cylinder ring structure is along with the internal diameter of rotation and glass hollow billet is when identical, to heat duration and degree of heating furnishing slow fire, complete material,
Realize the production mould of production technique described above, comprise mold and bed die, mold setting corresponding to bed die, mold comprises pinch roller, bed die comprises pattern, holder mould and mold rods, pinch roller comprises the briquetting roller connecting successively, auxiliary gear platform and locating wheel, briquetting roller forms moulding section with auxiliary gear platform, its junction is R arc structure, auxiliary gear platform and locating wheel form localization part, its junction is right-angle structure, the R arc opposite position of holder mould and moulding section is also provided with R arc, the setting corresponding to pattern of the right-angle structure of localization part, gapped between pattern and Tuo Mo, screw mandrel is run through in their bottom, screw mandrel inserts mold rods and is fixed.
Wherein pattern is integral type structure with holder mould.
Pattern is split-type structural with holder mould, by draw-in groove, is connected together.
Mold rods internal run-through wherein, its communicating structure is for falling convex shape, and screw mandrel inserts the internal run-through of mold rods, in the wider portion of the internal run-through of falling convex shape and the intersection of narrower part, spring is set, the nut holddown spring of screwing on screw mandrel.By mold rods and screw mandrel, coordinated and facilitated the fixing of bed die, the internal run-through of falling convex shape of mold rods, facilitates the setting of spring, and spring coordinates with nut makes bed die at high temperature can have certain activity space can not produce and destroy because expanding with heat and contract with cold.
The beneficial effect that the utility model has is, by rational step, Heating temperature, heating means, for the interior glass flange that turns over provides a kind of exercisable complete processing efficiently, to turn over finished product speed and the yield rate of glass flange in significantly improving; Machining tool is simple in structure, easy to use, and cost is low, can provide reliable location in use, further facilitates processing, improves yield rate and shaping speed.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
In figure: 1, pinch roller; 2, briquetting roller; 3, auxiliary gear platform; 4, locating wheel; 5, R arc; 6, right-angle structure; 7, holder mould; 8, pattern; 9, screw mandrel; 10, mold rods; 11, the internal run-through of falling convex shape; 12, spring; 13, nut.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
Embodiment 1:
The glass hollow billet of diameter 70mm of take is example, and its production technique of turning over ratio flange in making comprises the following steps:
A, installation, by glass fiber pipe clamp, to turning attachment, turning attachment can be rotated, and its rotating speed is 60-120 rev/min, the low mould of temperature is carried out to preheating simultaneously, and preheating temperature is greater than 400 ℃;
B, material, light heating duration and degree of heating, turning attachment drives the rotation of glass hollow billet, make to heat duration and degree of heating near the glass hollow billet of rotation, according to the weight of glass flange flange head thickness, selecting the length of the glass hollow billet section of being heated is 20 ± 3mm, one end of the section of being heated is the mouth of pipe place of glass hollow billet, the other end is initial heating point, heating duration and degree of heating starts heating at initial heating point, the effective strength fire of the glass fiber of initial heating point is heated to 850 ℃-1000 ℃, make after glass hollow billet generation deformation herein, to heat duration and degree of heating moves to mouth of pipe place, its hot spot after moving is apart from the glass hollow billet mouth of pipe 7 ± 3mm, move into place post-heating duration and degree of heating put forth one's strength fire glass hollow billet is herein heated to 1100 ℃-1300 ℃, now the section of being heated of glass hollow billet is melted interior receipts and is formed gradually cylinder ring structure, keep temperature-resistant, again heating duration and degree of heating is moved to initial heating point, make the section of being heated of whole glass hollow billet be melted into the cylinder ring structure of rotation, when the internal diameter of cylinder ring structure is along with the internal diameter of rotation and glass hollow billet is when identical, to heat duration and degree of heating furnishing slow fire, complete material,
In material process, because the diameter of the glass flange that will process is different, be generally according to the weight of glass flange head, to calculate the length of the glass hollow billet section of being heated.
C, pressing, be adjusted into slow fire by strength fire, and holder mould is boosted, and its advance distance equals the size of bore in flange, and holder mould, pattern are pushed ahead, and pinch roller puts down, until pinch roller and pattern are combined closely, continues rotary glass hollow billet;
D, sizing, keep slow fire, but a little less than trying slow fire to adjust again, heating duration and degree of heating is moved down to 20-30mm, and 5-10 makes the temperature of flange head drop to 700 ℃-900 ℃ after second, duration and degree of heating is moved down to 20-30mm again, 5-10 makes the temperature of flange head drop to 450 ℃-600 ℃ after second, make just step annealing of flange head, sizing;
E, cooling, closes fiery cooling 5-10 second, lifts pinch roller, and holder mould declines and exits;
F, Qi Kou, dismiss the pipe diameter length of glass flange on request by redundance;
G, roasting mouth, will bake a mouthful machine power transmission igniting, and the glass flange of neat good mouth is put into a roasting mouthful tool part, and rotary fixture part forwards glass flange to flame location, and flange port burns after round and smooth and leaves flame location.
Production mould as shown in Figure 1, comprise mold and bed die, mold setting corresponding to bed die, mold comprises pinch roller 1, bed die comprises pattern 8, holder mould 7 and mold rods 10, pinch roller 1 comprises the briquetting roller 2 connecting successively, auxiliary gear platform 3 and locating wheel 4, briquetting roller 2 forms moulding section with auxiliary gear platform 3, its junction is R arc 5 structures, auxiliary gear platform 3 forms localization part with locating wheel 4, its junction is right-angle structure 6, holder mould 7 is also provided with R arc with R arc 5 opposite positions of moulding section, the setting corresponding to pattern 8 of the right-angle structure 6 of localization part, gapped between pattern 8 and Tuo Mo 7, screw mandrel 9 is run through in their bottom, screw mandrel 9 inserts mold rods 10 and is fixed.
Pattern 8 is split-type structural with holder mould 7, by draw-in groove, is connected together.
Mold rods 10 internal run-throughs, its communicating structure is for falling convex shape, and screw mandrel inserts the internal run-through of mold rods, in the wider portion of the internal run-through of falling convex shape 11 and the intersection of narrower part, spring 12 is set, nut 13 holddown springs 12 of screwing on screw mandrel 9.By mold rods 10 and screw mandrel 9, coordinate and facilitate the fixing of bed die, the internal run-through of falling convex shape 11 of mold rods 10, facilitate the setting of spring 12, spring 12 coordinates with nut 13 makes bed die at high temperature can have certain activity space can not produce and destroy because expanding with heat and contract with cold.
Embodiment 2:
The glass hollow billet that the diameter of take is 120mm is example, and the length of its section of being heated is 20 ± 3mm.
And the wherein pattern of its bed die is integral type structure with holder mould.The other the same as in Example 1.