A kind of lubricating structure of forming adobe in machine of vacuum squeezing bricks
Technical field
The present invention relates to a kind of lubricating structure of forming adobe in machine of vacuum squeezing bricks.
Background technology
In the ZL97203259.2 of my previous application China utility model patent, put down in writing a kind of single-stage vacuum brick and tile extruding machine, this brick and tile extruding machine comprises the mud cylinder, the mud cylinder is provided with material receiving box and vacuum chamber, also be provided with spiral pushing device in the mud cylinder, mud cylinder discharge end is provided with head, have on the head with the brick that will produce or watt the corresponding discharging opening in cross section.During work, from the pug of material receiving box input under spiral pushing device promotes to the motion of mud cylinder discharge end direction, during arrive the head place at last after application of vacuum, and finally extruded by the discharging opening from head under the pushing of its rear portion spiral pushing device.Because the head internal diameter dwindles gradually along the pug direct of travel, discharging opening on the head is also very little, thereby the resistance that pug is passed through of the discharging opening ubiquity edge on the head, head be far longer than the pug centre by the time the problem of resistance, and cause pug outer rim and its centre in extrusion, to have certain speed difference thus, and cause the pug outer surface to ftracture, especially at the wedge angle position of pug, this situation is more serious.
In order to solve pug in extrusion outer surface, the especially problem of wedge angle position serious cracking, people just are provided with special lubrication system at the discharging opening place of mud cylinder head, by between pug surface and discharging opening edge, applying water or wet goods lubricant medium, resistance when reducing pug and extruding is extruded the problem of rear surface cracking to eliminate pug.
The lubrication system of past people setting is generally apopore, in the time need being lubricated a face of pug, then is arranged side by side a plurality of apopores.
Because the apopore on the head is arranged on and the contacted position of pug, thereby the pug in advance enters apopore and results in blockage, and people strengthen the aperture of apopore on the one hand, and the delivery port with apopore tilts to the pug direct of travel on the one hand.After apopore is provided with like this, though helping to prevent apopore stops up, but bring following problem: because apopore is excessive to inclination of pug direct of travel and aperture, lubricated water pours out along with advancing of pug, not only destroy the integrality of the pug of extruding, and caused a large amount of wastes of water.Nonetheless, still there is easy blocking problem in the lubrication system of this water outlet cellular type under the less situation of water yield, when being arranged with a plurality of apopore, be easy to occur certain or certain several apopore blocking problem, if and the hydraulic pressure of water is lubricated in raising, then lubricated water is easy to wash out the pug of extruding again, destroys moulding.
Summary of the invention
Problem at prior art exists the object of the present invention is to provide a kind of lubricating structure of forming adobe in machine of vacuum squeezing bricks, and this lubrication system has adopted slot-shaped water flowing out structure, eliminated the problem of water outlet cellular type structure existence in the past, not only lubricated reliable, and water outlet is few, and water yield is adjusted easy.
For achieving the above object, a kind of lubricating structure of forming adobe in machine of vacuum squeezing bricks of the present invention, comprise the mud cylinder, mud cylinder discharge end is equipped with head, head is provided with the pug extrusion, between mud cylinder discharge end and the outlet of pug extrusion, be provided with the lubricating fluid delivery outlet, described lubricating fluid delivery outlet is arranged on the flange joint face, cooperate with sealing gasket by the flange joint face and to realize, described lubricating fluid delivery outlet is the seam shape structure of circumferentially extending, its gap width is identical with the thickness of sealing gasket, on its length and the pug the width of corresponding lubricant housings be complementary, described mud cylinder, also be provided with the lubricating fluid transfer passage that is connected with described lubricating fluid delivery outlet on head or the described pug extrusion, the input port of this transfer passage correspondingly is arranged on the mud cylinder, on head or the pug extrusion surface.
Further, described head is connected with described mud cylinder flange, and described lubricating fluid delivery outlet is arranged on the flange joint face of head and mud cylinder,
Further, when this multi-segment structure that connects as flange mutually of described head, described lubricating fluid delivery outlet also can be arranged on head itself and join on two sections the flange joint face.
Further, described head is connected with described pug extrusion flange, and described lubricating fluid delivery outlet is arranged on the flange joint face of head and pug extrusion.
Further, when this multi-segment structure that connects as flange mutually of described pug extrusion, described lubricating fluid delivery outlet also can be arranged on the pug extrusion and itself join on two sections the flange joint face.
Further, its gap width adjustment of described lubricating fluid delivery outlet realizes by changing the different sealing gasket of thickness.
Further, described lubricating fluid delivery outlet can select join in these four flange joint faces of flange joint face between two sections any two, three the combination of flange joint face, pug extrusion between flange joint face, head and the pug extrusion between two sections of joining of flange joint face, head itself between mud cylinder and the head itself to be provided with as required.
Further, itself join and the lubricating fluid delivery outlet all is set on these four flange joint faces of flange joint face between two sections at join flange joint face, pug extrusion between flange joint face, head and the pug extrusion between two sections of the flange joint face between mud cylinder and the head, head itself.
The present invention is arranged on head and mud cylinder with the lubricating fluid delivery outlet, head itself joins two sections, head and pug extrusion, the pug extrusion itself joins on two sections the flange joint face, can be arranged on place's flange joint face, also can on different flange joint faces, be provided with more than two places simultaneously, because the gap of delivery outlet is very little, thereby formation hydraulic pressure is greater than the extrusion pressure of pug, guaranteed the stability of hydraulic pressure, thereby created condition for adopting lubricating fluid with certain pressure, and make lubricating fluid have that the smooth output for lubricating fluid provides assurance behind certain pressure, the delivery outlet that stitches the shape structure simultaneously also helps to eliminate pug and stops up, install, easy to adjust, and saved a large amount of processing work.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is an A portion enlarged diagram among Fig. 1;
Fig. 3 is the figure of head end face structure shown in the sequence number 1 among Fig. 1;
Fig. 4 is the end face structure of pug extrusion shown in Fig. 1 figure;
Fig. 5 is the figure of head gasket structure shown in the sequence number 1 among Fig. 1;
Fig. 6 is the gasket structure of pug extrusion shown in Fig. 1 figure.
The specific embodiment
Describe the present invention below in conjunction with accompanying drawing.
Figure 1 shows that vacuum brick and tile extruding machine complete machine structure schematic diagram, this vacuum brick and tile extruding machine comprises mud cylinder 2, mud cylinder 2 discharge ends are equipped with head 1, head 1 discharge end is equipped with pug extrusion 5, its end face structure such as Fig. 4, head 1 is connected with mud cylinder 2 flanges, and pug extrusion 5 is connected with head 1 flange.
As shown in Figure 1, head 1 is the two-stage structure that mutual flange connects, as Fig. 2, shown in Figure 3, its flange joint face that joins between two sections is provided with sealing gasket 3, sealing gasket shape such as Fig. 5, lubricating fluid delivery outlet 4 be arranged on this figure of head and the section between the flange joint face on, each lubricating fluid delivery outlet 4 is the seam shape structure of circumferential extension, its gap width is identical with the thickness of sealing gasket 3, the width at the position that pairing needs lubricate on its length and the pug is complementary, sealing gasket 3 is provided with a U-shaped breach with each lubricating fluid delivery outlet 4 corresponding section, this U-shaped space that breach surrounds promptly constitutes the lubricating fluid delivery outlet 4 of seam shape structure, also be provided with the lubricating fluid transfer passage 6 that is connected with lubricating fluid delivery outlet 4 on the head 1, the input port 7 of this transfer passage 6 correspondingly is arranged on head 1 outer surface.
In order to guarantee to be distributed to the space that whole lubricating fluid delivery outlet covered from the lubricating fluid of input port 7 input, head joins on the flange face between two sections and each lubricating fluid delivery outlet corresponding section, also is provided with the elongated slot 8 that links to each other with lubricating fluid transfer passage 6.
The port of export on the head 1 shown in Figure 3 is the rectangle outlet that is used for brickmaking, at this rectangle pug outlet, be provided with four lubricating fluid delivery outlets on head 1 and the mud cylinder flange joint face, when the pug delivery outlet on the head was the outlet of other shapes of being used to make watt, the lubricating fluid delivery outlet on head and the mud cylinder flange joint face then can correspondingly increase or reduce as required.
During work, lubricating fluid input port 7 both can connect oil pump, but also water pump is decided on specific requirement.Because the slit of lubricating fluid delivery outlet 4 is very little, be generally tens microns, even tens microns, under the situation in so little gap, the lubricating fluid delivery outlet is easy to make lubricating fluid to set up certain precompression by matching with pug, and constantly advancing along with pug, lubricating fluid under pressure, can stably discharge attached to the pug surface again from the lubricating fluid delivery outlet, therefore, the lubricating fluid delivery outlet of this seam shape structure had both been avoided a large amount of discharges of lubricating fluid, dashed and hindered the pug surface, cause waste, guaranteed effectively lubricating again the pug surface.And, having under the situation of certain precompression, the lubricating fluid delivery outlet of seam shape structure also helps to prevent the obstruction of pug.
The width of lubricating fluid delivery outlet 4 can be adjusted according to the gait of march of pug and the precompression of lubricating fluid, when production capacity is big, when the pug gait of march is fast, can suitably strengthen the gap width of lubricating fluid delivery outlet 4.
When needs were adjusted the gap width of lubricating fluid delivery outlet 4, the thickness that only needs to change sealing gasket 3 got final product.
In the above-described embodiments, same flange is connected between head 1 and the mud cylinder 2, and is provided with sealing gasket 3 equally on the two flange joint face, and above-mentioned lubricating fluid delivery outlet is arranged on the flange joint face of head 1 and mud cylinder 2 in the same way.On the flange joint face between also can join at the pug extrusion two sections itself sealing gasket 3 is set, the shape of sealing gasket 3 such as Fig. 6 also can be provided with on the flange joint face between head 1 and the pug extrusion 5.
Also can be both on head itself joins flange joint face between two sections, be provided with, on the flange joint face between head and the mud cylinder, be provided with again simultaneously; Also can both on the flange joint face between head and the pug extrusion, be provided with, be provided with on the flange joint face between itself join at the pug extrusion again simultaneously two sections.
In a word, can select flange joint face, head itself between mud cylinder and the head flange joint face, pug extrusion between flange joint face, head and the pug extrusion between two sections in four flange joint faces of flange joint face between two sections any one of joining of joining itself as required, any two, three combination in four flange joint faces, or four flange joint faces all are provided with the lubricating fluid delivery outlet.
When the lubricating fluid delivery outlet was arranged on the flange joint face between head and the mud cylinder, lubricating fluid transfer passage 6 also can be arranged on the mud cylinder 2.