Non-metallic flexible slideway sealing device for sintering machine

Abstract

The present invention relates to a non-metallic flexible slideway sealing device for a sintering machine, comprising an upper slideway installed in grooves on both sides of a trolley, wherein the upper slideway forms a sealing structure after contacting with a lower slideway installed on a slideway support beam, the upper slideway comprises a mounting base and a non-metallic flexible sealing belt, wherein: the mounting base comprises a mounting base plate and a quick loading and unloading device, the mounting base plate and the quick loading and unloading device are fixed in the groove together by bolts; the quick loading and unloading device comprises a stopper, a movable pressure strip and an adjusting mechanism, the non-metallic flexible sealing belt is clamped between the stopper and the movable pressure strip, the stopper is fixedly mounted on the mounting base plate, the movable pressure strip is slidably connected to the mounting base plate, the movable pressure strip is located between the stopper and the adjusting mechanism, and the adjusting mechanism can adjust the horizontal distance between the stopper and the movable pressure strip; the lower slideway is a fixed metal block.

Description

Technical Field

[0001] The invention relates to a sintering machine, in particular to a non-metallic flexible slideway sealing device of a sintering machine. Background Art

[0002] At present, there are many types of slideway sealing devices on the market, which are mainly divided into metal seals and non-metal seals according to the sealing form. Since the non-metallic sealing form does not require lubrication, it saves users a lot of lubricating oil and lubrication equipment, and has been recognized by users. The inventor has been committed to the research of non-metallic slideway sealing for many years, and during this period he applied for the invention patent "Sintering Machine Trolley Slideway Sealing Device" patent number: ZL201610263323.9. With the development of the sintering industry, new problems have emerged in the process of user use, especially the metal upper slide mentioned in the invention patent is installed in the grooves on both sides of the bottom of the trolley, and the non-metallic flexible lower slideway sealing belt is installed on the lower slideway support beam of the trolley. The non-metallic flexible sealing belt is a consumable part. When replacing it, the trolley needs to be lifted and the sealing belt can be exposed before operation. With the development of the sintering industry, especially the promotion of flue gas circulation sintering technology, the sintering trolley is covered by a heat collecting cover, leaving only a fixed position to lift the trolley, so it is inconvenient to remove the trolley, which makes it troublesome to replace the sealing belt and affects the operation rate. There is also an installation base for the flexible sealing belt, which adopts an adjusting bolt clamping method. With high temperature and dust, the thread is deformed and the bolt is stuck. When the sealing belt is replaced, the sealing belt cannot be clamped, causing damage to the equipment. Summary of the invention

[0003] The main purpose of the present invention is to provide a non-metallic flexible slideway sealing device for a sintering machine, so as to solve the problem that the non-metallic flexible sealing belt is difficult to replace after being damaged.

[0004] In order to achieve the above-mentioned objectives, the present invention provides a non-metallic flexible slide sealing device for a sintering machine, comprising an upper slide installed in grooves on both sides of a trolley, the upper slide forming a sealing structure after contacting with a lower slide installed on a slide support beam, the upper slide comprising a mounting base and a non-metallic flexible sealing belt, wherein: the mounting base, the mounting base comprising a mounting base plate and a quick loading and unloading device, the mounting base plate and the quick loading and unloading device are fixed in the groove together by bolts; the quick loading and unloading device comprises a stopper, a movable pressure strip and an adjustment mechanism, the non-metallic flexible sealing belt is clamped between the stopper and the movable pressure strip, the stopper is fixedly mounted on the mounting base plate, the movable pressure strip is slidably connected to the mounting base plate, the movable pressure strip is located between the stopper and the adjustment mechanism, and the adjustment mechanism can adjust the horizontal distance between the stopper and the movable pressure strip; the lower slide is a fixed metal block.

[0005] Preferably, the adjustment mechanism includes a cam and a pin, and the cam is rotatably connected to the mounting base plate via the pin.

[0006] Further preferably, the non-metallic flexible sealing belt includes a thermal insulation layer, a wear-resistant layer, a silicone layer and a protective layer. The silicone layer is coated on the outer periphery of the wear-resistant layer by bonding with an adhesive. Grooves are respectively provided on two corresponding sides of the silicone layer. The thermal insulation layer is bonded to one of the grooves by an adhesive, and the protective layer is bonded to the other groove by an adhesive. The thermal insulation layer, the protective layer and the grooves are at the same height.

[0007] More preferably, the heat insulating layer is a ceramic fiber layer, the wear-resistant layer is an aramid layer, and the protective layer is an aramid layer.

[0008] More preferably, a first sealing protrusion is fixedly provided on one side of the silicone layer, and a second sealing protrusion is fixedly provided on the other side of the silicone layer.

[0009] Further preferably, the first sealing protrusion includes a first inclined plane, a second inclined plane, a third straight plane and a fourth inclined plane connected to each other, the angle between the first inclined plane and one side of the silicone layer is an obtuse angle, the angle between the first inclined plane and the second inclined plane is an obtuse angle, and the fourth inclined plane is parallel to the second inclined plane.

[0010] Further preferably, the second sealing protrusion includes a fifth straight surface, a sixth inclined surface, a seventh straight surface and an eighth inclined surface which are connected to each other, the angle between the fifth straight surface and the other surface of the silicone layer is a right angle, the angle between the sixth inclined surface and the fifth straight surface is an acute angle, and the eighth inclined surface and the sixth inclined surface are parallel to each other.

[0011] More preferably, both ends of the non-metallic flexible sealing belt are respectively provided with end wind blocking blocks.

[0012] Beneficial effects of the present invention: In the present invention, the non-metallic flexible sealing belt and the mounting base are arranged in the grooves on both sides of the bottom of the trolley as the upper slide, and the metal block of the lower slide is installed on the slide support beam, so that when replacing the upper slide, the operation can be performed when the trolley turns over and returns, and there is no need to lift the trolley, which is convenient for maintenance work. At the same time, the sealing belt mounting base is upgraded, and the threaded top screw is changed into a crank tightening device, which makes it more convenient to disassemble and assemble the non-metallic flexible sealing belt. The non-metallic flexible slide sealing device of this design is a device for sealing both sides between the sintering trolley and the bellows. The sintering machine trolley is arranged on the track in this way. During operation, the sintering negative pressure air is provided by the bellows fixed at the bottom. There is a gap between the two sides of the trolley and the bellows. In order to prevent the sintering air from leaking from the gap, it is necessary to set a sealing device on both sides between the trolley and the bellows. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0014] Figure 1 It is an installation diagram of the upper and lower slideway sealing devices of the non-metallic slideway sealing device of the present invention;

[0015] Figure 2 It is a front view of the upper slideway mounting base of the non-metallic slideway sealing device of the present invention;

[0016] Figure 3 yes Figure 2 The AA section view is rotated;

[0017] Figure 4 It is a front view of the non-metallic flexible sealing belt of the non-metallic slideway sealing device of the present invention;

[0018] Figure 5 yes Figure 4 BB cross-sectional view;

[0019] Figure 6 yes Figure 5 Enlarged view of part C;

[0020] Figure 7 yes Figure 6 Schematic diagram of deformation in use;

[0021] Figure 8 yes Figure 5 An enlarged view of part D in FIG.

[0022] Fig. 9 yes Figure 8 Schematic diagram of deformation during use.

[0023] Description of Reference Numerals

[0024] 10. Trolley; 20. Installation base plate; 30. Down slide; 40. Slide support beam;

[0025] 100, quick loading and unloading device; 110, stopper; 130, movable pressure strip; 140, cam;

[0026] 150, bolt; 160, pin;

[0027] 210. non-metallic flexible sealing tape; 211. protective layer; 212. silicone layer;

[0028] 213, wear-resistant layer; 214, heat insulation layer; 220, end wind blocking block;

[0029] 230, first sealing protrusion; 231, first inclined surface; 232, second inclined surface;

[0030] 233, the third straight surface; 234, the fourth inclined surface;

[0031] 240, second sealing protrusion; 241, fifth straight surface; 242, sixth inclined surface;

[0032] 243. The seventh vertical plane; 244. The eighth inclined plane. DETAILED DESCRIPTION

[0033] The technical scheme in the embodiment of the present invention is described clearly and completely below in conjunction with the accompanying drawings in the embodiment of the present invention. In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0034] like Figures 1 to 3 As shown, this embodiment provides a non-metallic flexible slideway sealing device for a sintering machine, including an upper slideway installed in the grooves on both sides of a trolley 10, and the upper slideway forms a sealing structure after contacting with the lower slideway 30 installed on the slideway support beam 40, and the upper slideway includes a mounting base and a non-metallic flexible sealing belt 210. Among them, the mounting base includes a mounting base plate 20 and a quick loading and unloading device 100, and the mounting base plate 20 and the quick loading and unloading device 100 are fixed in the groove by bolts 150. The quick loading and unloading device 100 includes a stopper 110, a movable pressure strip 130 and an adjustment mechanism, and the non-metallic flexible sealing belt 210 is sandwiched between the stopper 110 and the movable pressure strip 130, the stopper 110 is fixedly mounted on the mounting base plate 20, the movable pressure strip 130 is slidably connected to the mounting base plate 20, and the movable pressure strip 130 is located between the stopper 110 and the adjustment mechanism, and the adjustment mechanism can adjust the horizontal distance between the stopper 110 and the movable pressure strip 130. The lower slideway 30 is a fixed metal block, and the lower slideway 30 is fixedly mounted on the slideway support beam 40 .

[0035] Preferably, in this embodiment, Figure 2 and Figure 3 As shown, the adjustment mechanism includes a cam 140 and a pin 160, and the cam 140 is rotatably connected to the mounting base plate 20 through the pin 160. In this embodiment, the cam 140 is first rotated to rotate the large diameter of the cam 140, thereby increasing the distance between the movable beading 130 and the stopper 110, and then one end of the non-metallic flexible sealing belt 210 is placed between the movable beading 130 and the stopper 110, and then the cam 140 is rotated to press the large diameter of the cam 140 on the movable beading 130, thereby reducing the distance between the movable beading 130 and the stopper 110, thereby sandwiching the non-metallic flexible sealing belt 210 between the movable beading 130 and the stopper 110. In this embodiment, the movable beading 130 is supported by the handle of the cam 140, and the movable beading 130 is pressed on the mounting base plate 20, so that the movable beading 130 slides against the mounting base plate 20.

[0036] In this embodiment, the non-metallic flexible sealing belt 210 includes a heat insulating layer 214, a wear-resistant layer 213, a silicone layer 212 and a protective layer 211. Preferably, the heat insulating layer 214 is made of ceramic fiber, which is arranged on the heated side (i.e., the side facing the bellows) by utilizing its high temperature resistance to protect the sealing belt; the wear-resistant layer 213 is the main structure of the sealing belt, and its material is made of wear-resistant and high temperature resistant aramid material to improve the overall wear resistance of the sealing belt; the material of the protective layer 211 is also made of aramid material to increase the thickness and strength of the sealing belt, which plays a role in increasing the service life of the sealing belt; the material of the silicone layer 212 is high temperature resistant silicone rubber, and its function is to solidify and mold the multiple layers of materials into one. The silicone layer 212 is coated on the outer periphery of the wear-resistant layer 213 by bonding with an adhesive, and grooves are respectively provided on the two corresponding sides of the silicone layer 212, and the heat-insulating layer 214 is bonded in one of the grooves by an adhesive, and the protective layer 211 is bonded in the other groove by an adhesive, wherein the thickness of the heat-insulating layer 214 and the thickness of the protective layer 211 are equal to the height of the grooves. In this embodiment, the heat-insulating layer 214, the wear-resistant layer 213, the silicone layer 212 and the protective layer 211 are compounded by an adhesive during the high-temperature vulcanization stage of the silicone rubber 212, so that the non-metallic flexible sealing belt will not crack within one year during use, thereby increasing the service life of the non-metallic flexible sealing belt 210. The heat-insulating layer 214 enables the sealing belt to isolate the temperature of a part of the fan, thereby increasing the service life of the sealing belt, and at the same time, it can prevent the non-metallic flexible sealing belt 210 from cracking.

[0037] In this embodiment, a first sealing protrusion 230 is fixedly provided on one side of the silicone layer 212, and a second sealing protrusion 240 is fixedly provided on the other side of the silicone layer 212, wherein the first sealing protrusion 230 is located on the side with the stopper 110, and the second sealing protrusion 240 is located on the side of the movable bead 130. Grooves are respectively provided on the stopper 110 and the movable bead 130, and when the non-metallic flexible sealing belt 210 is sandwiched between the stopper 110 and the movable bead 130, the first sealing protrusion 230 and the second sealing protrusion 240 can be squeezed into the grooves on the stopper 110 and the movable bead 130, and the first sealing protrusion 230 and the second sealing protrusion 240 can slide in the grooves on the stopper 110 and the movable bead 130.

[0038] In this embodiment, if Figure 6 and Figure 7As shown, the first sealing protrusion 230 includes a first inclined surface 231, a second inclined surface 232, a third straight surface 233 and a fourth inclined surface 234 which are connected to each other. Among them, the angle a between the first inclined surface 231 and one side of the silicone layer 212 (i.e., the plane where the heat insulating layer 40 is located) is an obtuse angle. Preferably, the angle a is between 150 degrees and 120 degrees. If the angle a is too large or too small, the first inclined surface 231 will be too long or too short, which may cause the sealing to be poor. At the same time, if the angle is too small, the inclination angle of the first sealing protrusion 230 may be too small, so that the first sealing protrusion 230 cannot be attached to the groove of the stopper 110, thereby causing the problem of poor sealing. In addition, it should be noted that the angle a has a certain angle, and the angle a is not designed to be rounded, and the angle a cannot be equal to the chamfer design between the first inclined surface 231 and one side of the silicone layer 212.

[0039] In this embodiment, the angle b between the first inclined surface 231 and the second inclined surface 232 is an obtuse angle. Preferably, the angle b ranges from 140 to 150 degrees. This is because, when the non-metallic flexible sealing belt 210 is sandwiched between the stopper 110 and the movable pressure strip 130, the first sealing protrusion 230 is inserted into the groove of the stopper 110, wherein a portion of the first inclined surface 231 is inserted into the groove, and another portion is exposed outside the groove. Due to the effect of the groove, the portion of the first inclined surface 231 that is pressed into the groove is in the same plane as the second inclined surface 232. During use, when the non-metallic flexible sealing belt 210 is squeezed and bent by the lower slide 30, a gap will exist between the non-metallic flexible sealing belt 210 and the stopper 110, and the first sealing protrusion 230 can block the gap. The function of the first inclined surface 231 is to further strengthen the sealing effect. Even if the movable pressure strip 130 may loosen during the sliding process, causing the gap to become larger, the first inclined surface 231 will abut against the stopper 110 without causing air leakage.

[0040] In this embodiment, the fourth inclined surface 140 is parallel to the second inclined surface 120, so that the first sealing protrusion 230 has a certain inclination angle relative to the silicone layer 212. When the first sealing protrusion 230 enters the groove of the stopper 110, it will generate a certain reaction force (due to the force generated by the lower slide 30 pushing the non-metallic flexible sealing belt 210 upward), and the fourth inclined surface 234 is in close contact with the side wall of the groove by utilizing this reaction force, thereby enhancing the sealing effect.

[0041] In this embodiment, if Figures 8 to 9As shown, the second sealing protrusion 240 includes a fifth straight surface 241, a sixth inclined surface 242, a seventh straight surface 243 and an eighth inclined surface 244 connected to each other, the angle between the fifth straight surface 210 and the other side of the silicone layer (i.e., the side where the protective layer 211 is located) is a right angle, and the angle can also be set to a rounded angle that matches the groove of the movable bead 130, the angle c between the sixth inclined surface 242 and the fifth straight surface 241 is an acute angle, and the angle of the angle c is preferably set to 20 degrees to 40 degrees, when the non-metallic flexible sealing belt 210 is installed on the movable bead 130, the sixth inclined surface 242 and the fifth straight surface 241 are in the same plane, the fifth straight surface 241 and the sixth inclined surface 242 can be tightly attached to the same side of the groove of the movable bead 130, and the eighth inclined surface 244 and the sixth inclined surface 242 are set parallel to each other. The second sealing protrusion 240 is also inclined as a whole, and its function is the same as that of the first sealing protrusion 230. In this embodiment, the inclination directions of the first sealing protrusion 230 and the second sealing protrusion 240 are opposite. This is because the gap formed between the stop block 110 and the movable pressure strip 130 is inclined. During the sliding process, due to the pressure of the movable pressure strip 130, the clamped part of the non-metallic flexible sealing belt 210 generates a force to rotate toward the movable pressure strip 130 relative to the movable pressure strip 130, and the first sealing protrusion 230 is pressed downward, so that the first inclined surface 231 is tightly attached to the bottom of the groove of the stop block 110, and the fourth inclined surface 234 is tightly attached to the top of the groove, thereby strengthening the seal between the non-metallic flexible sealing belt 210 and the stop block 110. Under the action of this rotating force, the fifth straight surface 241 and the sixth inclined surface 242 of the second sealing protrusion 240 are placed in the same plane, so that they are tightly attached to the bottom of the groove of the movable pressure strip 130, and the eighth inclined surface 244 is tightly attached to the top of the groove of the movable pressure strip 130, thereby strengthening the seal between the non-metallic flexible sealing belt 210 and the movable pressure strip 130.

[0042] In other embodiments, strip grooves 2122 may be obliquely provided on both sides of the silicone layer 212 to which the heat insulation layer 214 and the protective layer 211 are bonded, and the strip grooves 2122 are located below the first sealing protrusion 230 or the second sealing protrusion 240. Preferably, the strip grooves 2122 are configured to have a small opening and a large interior, so that even if the upper slideway and the lower slideway deviate, the first sealing protrusion 230 and the second sealing protrusion 240 can move toward the side of the upper slideway and the side of the lower slideway. Specifically, in the present embodiment, during the sliding process of the locomotive, the non-metallic flexible sealing belt 210 is deformed due to pressure, and the action of the strip groove 2122 reduces the rotational force on the clamped part of the non-metallic flexible sealing belt 210 (relative to the force generated by the movable pressure strip 130 to rotate toward the movable pressure strip 130). As a result, after the upper slide and the lower slide deviate, the supported part generates a greater left and right pulling force, thereby causing the first sealing protrusion 230 and the second sealing protrusion 240 to deform.

[0043] The end wind block 220 is bonded together with the non-metallic flexible sealing belt through a special process (it is bonded together with the end wind block 220 during the silicone vulcanization process) to form a whole. The function of the end wind block 220 is to block the air leakage between two adjacent sealing belts. When the whole is made, the length of the non-metallic flexible sealing belt 210 will be longer than the length of the trolley on which it is installed. Even if there is air leakage in the gap between the trolleys, the sealing belt and the end wind block 220 are still tightly fitted together to play a role in blocking the wind. At the same time, the end wind block 220 has a certain thickness. When the two trolleys stagger and deviate, the end wind block 220 can still contact a part, so that the phenomenon of air leakage when the trolley deviates will not occur.

[0044] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

Claims

1. A non-metallic flexible slideway sealing device for a sintering machine, comprising an upper slideway installed in grooves on both sides of a trolley, wherein the upper slideway contacts with a lower slideway installed on a slideway support beam to form a sealing structure, characterized in that: The upper slideway comprises a mounting base and a non-metallic flexible sealing belt, wherein: A mounting base, the mounting base comprising a mounting base plate and a quick-loading and disassembly device, the mounting base plate and the quick-loading and disassembly device being fixed together in the groove of the trolley by bolts; The quick loading and unloading device comprises a block, a movable pressure strip and an adjusting mechanism, the non-metallic flexible sealing belt is clamped between the block and the movable pressure strip, the block is fixedly mounted on the mounting base plate, the movable pressure strip is slidably connected to the mounting base plate, the movable pressure strip is located between the block and the adjusting mechanism, and the adjusting mechanism can adjust the horizontal distance between the block and the movable pressure strip; the non-metallic flexible sealing belt comprises a heat insulation layer, a wear-resistant layer, a silicone layer and a protective layer, the silicone layer is bonded and coated on the periphery of the wear-resistant layer by an adhesive, and grooves are respectively provided on the two corresponding sides of the silicone layer. The heat-insulating layer is bonded to one of the grooves of the silicone layer by an adhesive, and the protective layer is bonded to another groove of the silicone layer by an adhesive, and the heat-insulating layer, the protective layer and the grooves of the silicone layer are at the same height; a first sealing protrusion is fixed on one side of the silicone layer, and a second sealing protrusion is fixed on the other side of the silicone layer; the first sealing protrusion includes a first inclined surface, a second inclined surface, a third straight surface and a fourth inclined surface connected to each other, the angle between the first inclined surface and one side of the silicone layer is an obtuse angle, the angle between the first inclined surface and the second inclined surface is an obtuse angle, and the fourth inclined surface is parallel to the second inclined surface; The second sealing protrusion comprises a fifth straight surface, a sixth inclined surface, a seventh straight surface and an eighth inclined surface connected to each other, the angle between the fifth straight surface and the other surface of the silicone layer is a right angle, the angle between the sixth inclined surface and the fifth straight surface is an acute angle, and the eighth inclined surface is parallel to the sixth inclined surface; The two ends of the non-metallic flexible sealing belt are respectively provided with end wind blocking blocks; The glide path is a fixed metal block; Grooves are respectively provided on the stopper and the movable pressure strip. When the non-metallic flexible sealing belt is clamped between the stopper and the movable pressure strip, the first sealing protrusion and the second sealing protrusion can be squeezed into the grooves on the stopper and the movable pressure strip, and the first sealing protrusion and the second sealing protrusion can slide in the grooves on the stopper and the movable pressure strip.

2. The non-metallic flexible slideway sealing device for sintering machine according to claim 1, characterized in that: The adjusting mechanism comprises a cam and a pin shaft, and the cam is rotatably connected to the mounting base plate via the pin shaft.

3. The non-metallic flexible slideway sealing device for sintering machine according to claim 2, characterized in that: The heat insulation layer is a ceramic fiber layer, the wear-resistant layer is an aramid layer, and the protective layer is an aramid layer.

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