Resin preparation device

Abstract

The utility model provides a resin preparation device, which belongs to the technical field of resin preparation, aims to solve the problems that a flange bolt is influenced by alternating load, so that the pretightening force is attenuated, the compression amount of a gasket is insufficient, and a connecting interface leaks, and comprises a first reaction kettle and a second reaction kettle arranged on the outer side of the first reaction kettle; the two conveying pipelines are fixedly connected between the discharge port of the first reaction kettle and the feed port of the second reaction kettle respectively; the outer side of the conveying pipeline binding surface is fixedly connected with a connecting flange; a sealing gasket is arranged on the inner side of the connecting flange; the plurality of positioning bolts are circumferentially arranged and are in threaded connection with the inner sides of the connecting through holes of the connecting flanges; the sealing auxiliary mechanism is arranged between the positioning bolt and the connecting flange; the phenomena of leakage of a connection interface and material waste are greatly avoided, the operation stability of the reaction kettle and the performance of the BT resin are ensured, and the safety during preparation of the BT resin is further improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to resin preparation technical field, more specifically, it is especially related to a resin preparation device. BACKGROUND

[0002] When the BT resin is prepared, the cooperation of the double reaction kettles is usually adopted, the reaction kettle one has the prepolymerization function and realizes the control of the bismaleimide and cyanate ester prepolymer resin prepolymer reaction end point, the reaction kettle two has the maturation function and the final resin formula solution components, including the resin, the curing agent, the accelerator and the solvent are treated in the container at high temperature constant temperature, after reaching the set temperature, the solution in the reaction kettle one is introduced into the reaction kettle two.

[0003] Based on the above, in order to ensure the convenience of the solution in the reaction kettle one to the reaction kettle two, the cooperation of the conveying pipeline and the connecting flange is usually adopted, the discharge port of the reaction kettle one is communicated with the reaction kettle two, when the two are communicated, the cooperation of the sealing gasket is usually adopted to realize the sealing of the connecting pipeline connecting place, in the long-term application process of the reaction kettle, under the influence of high pressure working condition, due to the influence of the alternating load of the flange bolt, the pre-tightening force is attenuated, the gasket compression amount is insufficient, the connection interface is leaked, not only the reaction is easily interrupted and the material is wasted, the solvent volatilization leads to the imbalance of the proportioning and influences the BT resin performance, and the solution volatilization also easily causes the risk of fire explosion, the safety when the BT resin is prepared is influenced. UTILITY MODEL CONTENTS

[0004] In order to solve the above technical problems, the utility model provides a resin preparation device to solve the problem that in the long-term application process of the reaction kettle, under the influence of high pressure working condition, due to the influence of the alternating load of the flange bolt, the pre-tightening force is attenuated, the gasket compression amount is insufficient, the connection interface is leaked, not only the reaction is easily interrupted and the material is wasted, the solvent volatilization leads to the imbalance of the proportioning and influences the BT resin performance, and the solution volatilization also easily causes the risk of fire explosion, the safety when the BT resin is prepared is influenced.

[0005] The purpose and function of the resin preparation device are achieved by the following specific technical means.

[0006] The application discloses a resin preparation device which comprises a first reaction kettle, a second reaction kettle, conveying pipes, positioning bolts and a sealing auxiliary mechanism, the second reaction kettle is arranged outside the first reaction kettle, the two conveying pipes are respectively fixedly connected between the discharge port of the first reaction kettle and the feeding port of the second reaction kettle, the outer side of the adhering surface of the two conveying pipes is fixedly connected with connecting flanges, the inner side of the two connecting flanges is provided with sealing gaskets, the sealing gaskets are metal tooth-shaped gaskets, the positioning bolts are arranged in a plurality of, the plurality of positioning bolts are threadedly connected in a circumferential direction on the inner side of the connecting hole of the connecting flange, the sealing auxiliary mechanism is arranged between the positioning bolt and the connecting flange, the sealing auxiliary mechanism comprises positioning supporting rings and pressure sensors, the positioning supporting rings are arranged in a plurality of, the plurality of positioning supporting rings are rotationally connected in a circumferential direction on the inner side of the mounting hole of the left connecting flange, and the pressure sensors are arranged between the adhering surfaces of the two connecting flanges.

[0007] Further, the left and right end surfaces of the sealing gasket are provided with compensation auxiliary rings, the left and right end surfaces of the sealing gasket are pressed against each other, the compensation auxiliary ring is of an L-shaped structure in a transverse section, a plurality of guide struts are fixedly connected in a circumferential direction on the outer side end surface of the compensation auxiliary ring, the outer side of the guide strut is provided with an elastic extrusion piece, and the two ends of the elastic extrusion piece are fixedly connected with the compensation auxiliary ring and the connecting flange respectively.

[0008] Further, the inner side of the positioning supporting ring is fixedly connected with a limiting protrusion, and a limiting groove is formed in the aligned position of the inner side of the positioning bolt and the limiting protrusion.

[0009] Further, the sealing auxiliary mechanism further comprises driving tooth rings and transmission gears, the driving tooth rings are rotationally arranged on the inner side of the plurality of positioning supporting rings, and the driving tooth rings are rotationally connected with the connecting flange; the transmission gears are arranged in a plurality of, and the plurality of transmission gears are coaxially fixedly connected with the outer side of the plurality of positioning supporting rings; and the outer side of the driving tooth ring is meshed with the plurality of transmission gears respectively.

[0010] Further, the sealing auxiliary mechanism further comprises electromagnets and pressure gauges, the electromagnets are arranged on the inner side of the right connecting flange and are aligned with the mounting hole, and the pressure gauges are arranged on the outer side of the right connecting flange; and the pressure sensor is electrically connected with the electromagnet and the pressure gauge respectively.

[0011] Further, the right end surface of the electromagnet is coaxially fixedly connected with a guide support shaft; the outer side of the guide support shaft is provided with an elastic connecting piece; the two ends of the elastic connecting piece are fixedly connected with the electromagnet and the connecting flange at the right end respectively; the left end surface of the electromagnet is coaxially fixedly connected with a positioning support column; the positioning support column and the guide support shaft are both polygonal shaft structures; the right end surface of the positioning bolt is provided with a positioning through slot, and the positioning through slot is a polygonal slot structure with the same size as the positioning support column; and the surface of the positioning bolt abutting against the electromagnet is provided with a magnetic attraction block.

[0012] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0013] In use, the L-shaped compensation auxiliary ring and the elastic extrusion piece at the two ends of the sealing gasket form a flexible supporting structure, and when the flange is slightly warped under high pressure, the elastic deformation dynamically supplements the compression amount of the gasket, ensures the sealing effect, and greatly avoids the leakage probability of the solution medium.

[0014] In use, when any positioning bolt is rotated, the driving gear ring drives all the positioning support rings through the transmission gear, realizes the synchronous tightening of the multiple bolts, and keeps the torque value consistent, and the uniformity of the pre-tightening force when the connecting flange is connected is improved.

[0015] In use, after the electromagnet is powered on, the positioning support column is inserted into the positioning through slot to form a polygonal rigid lock, and the buffering effect of the elastic connecting piece is combined, so that the bolt loosening phenomenon caused by pipeline vibration, thermal expansion and cold contraction and high pressure working conditions is effectively resisted, the connection tightness between the connecting flanges is ensured, the pressure between the two connecting flanges is monitored in real time, the leakage and material waste phenomenon of the connection interface are greatly avoided, the stability of the reaction kettle is ensured, the performance of the BT resin is ensured, the safety during the preparation of the BT resin is further improved, and the use effect and working efficiency of the device in the actual application process are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall isometric structure schematic diagram of the utility model.

[0017] Figure 2 It is the sealing gasket and the compensation auxiliary ring installation structure schematic diagram of the utility model.

[0018] Figure 3 It is the sealing gasket and the connecting flange connection sectional structure schematic diagram of the utility model.

[0019] Figure 4 It is the positioning support column and the positioning through slot structure schematic diagram after being split of the utility model.

[0020] Figure 5It is the positioning bolt and the positioning support ring connecting structure schematic view of the utility model.

[0021] Figure 6 It is the driving gear ring and the transmission gear installation structure schematic view of the utility model.

[0022] In the drawing, the corresponding relationship of component name and drawing number is:

[0023] 1, first reactor;2, second reactor;3, conveying pipeline;4, connecting flange;5, sealing gasket;501, compensation auxiliary ring;502, guide support;503, elastic extrusion piece;6, positioning bolt;601, positioning support ring;602, limiting lug;603, limiting groove;604, driving gear ring;605, transmission gear;606, electromagnet;607, guide support shaft;608, elastic connecting piece;609, positioning support;610, positioning slot;611, pressure gauge. DETAILED DESCRIPTION

[0024] The embodiment of the utility model is further described in detail below in combination with the drawings and examples.

[0025] Example one:

[0026] As shown in the accompanying Figure 1 to the accompanying Figure 4 As shown:

[0027] The utility model provides a kind of resin preparation device, including first reactor 1, second reactor 2, conveying pipeline 3 and positioning bolt 6, second reactor 2 is set at the outside of first reactor 1;Conveying pipeline 3 has two, two conveying pipelines 3 are respectively fixedly connected between the discharge port of first reactor 1 and the feed port of second reactor 2;The outside of the adhering surface of two conveying pipelines 3 is fixedly connected with connecting flange 4;The inside of two connecting flanges 4 is provided with sealing gasket 5;Sealing gasket 5 is metal tooth profile pad;Positioning bolt 6 has multiple, multiple positioning bolts 6 are fixedly connected in the inside of the connecting through hole of connecting flange 4 with circumferential arrangement thread.

[0028] Among them, the left and right two end surfaces of sealing gasket 5 are provided with compensation auxiliary ring 501;Two compensation auxiliary rings 501 and the left and right two end surfaces of sealing gasket 5 are mutually pressed tightly, and the transverse section of compensation auxiliary ring 501 is L-shaped structure;The outside end surface of compensation auxiliary ring 501 is fixedly connected with multiple guide supports 502 in circumferential arrangement;The outside of guide support 502 is provided with elastic extrusion piece 503;The two ends of elastic extrusion piece 503 are fixedly connected with compensation auxiliary ring 501 and connecting flange 4 respectively.

[0029] The specific use mode and effect of the embodiment:

[0030] The utility model discloses a viscosity online system, stirring system, condensate water circulating system and quick cooling system are configured in the first reaction kettle 1 in using, carry out the prepolymerization of bismaleimide resin and cyanate ester resin in the first reaction kettle 1, reach the prescribed viscosity, add toluene, acetone and DMIF etc.

[0031] Example two:

[0032] As shown in the accompanying drawings: Figure 4 To the accompanying Figure 6 As shown:

[0033] On the basis of example one, still include sealing auxiliary mechanism, sealing auxiliary mechanism sets up between the locating bolt 6 and the connecting flange 4, sealing auxiliary mechanism includes: the locating ring 601 and pressure sensor, the locating ring 601 has a plurality of, and the plurality of locating ring 601 is rotationally connected in the inside of left end connecting flange 4 installation through -hole and is arranged in the circumference, pressure sensor sets up between the abutting surface of two connecting flanges 4.

[0034] Among them, the inside of locating ring 601 is fixedly connected with limiting lug 602, and the inside of locating bolt 6 is provided with limiting recess 603 in the alignment position of limiting lug 602.

[0035] Among them, sealing auxiliary mechanism still includes: drive gear ring 604 and transmission gear 605, drive gear ring 604 rotationally sets up in the inside of multiple locating ring 601, and drive gear ring 604 is rotationally connected with connecting flange 4, transmission gear 605 has a plurality of, and multiple transmission gear 605 is coaxially fixedly connected on the outside of multiple locating ring 601 respectively, and the outside of drive gear ring 604 is engaged with multiple transmission gear 605 respectively.

[0036] Among them, sealing auxiliary mechanism still includes: electromagnet 606 and pressure gauge 611, electromagnet 606 sets up in the inside of right end connecting flange 4, and electromagnet 606 is opposite with the position of installation through -hole, pressure gauge 611 sets up on the outside of right end connecting flange 4, and pressure sensor is electrically connected with electromagnet 606 and pressure gauge 611 respectively.

[0037] The electromagnetic iron 606 is coaxially fixedly connected with a guide support shaft 607 at the right end surface thereof; the guide support shaft 607 is provided with an elastic connecting piece 608 at the outer side thereof; the elastic connecting piece 608 is fixedly connected with the electromagnetic iron 606 and the right end connecting flange 4 at the two ends thereof respectively; the electromagnetic iron 606 is coaxially fixedly connected with a positioning support 609 at the left end surface thereof; the positioning support 609 and the guide support shaft 607 are both polygonal shaft structures; a positioning through slot 610 is formed at the right end surface of the positioning bolt 6, and the positioning through slot 610 is a polygonal slot structure with the same size as the positioning support 609; and the electromagnetic iron 606 is provided with a magnetic attraction block at the surface in contact with the positioning bolt 6.

[0038] The specific use mode and effect of the embodiment are as follows:

[0039] In use, after the position of the limiting protrusion 602 and the limiting recess 603 is aligned, the plurality of positioning bolts 6 are respectively inserted into the installation through holes of the connecting flange 4, and when any positioning bolt 6 is rotated, the drive gear ring 604 drives the plurality of transmission gears 605 and the positioning support ring 601 to rotate simultaneously, the tightening operation of the plurality of positioning bolts 6 is realized, and the torsion values of the plurality of positioning bolts 6 are kept consistent, when the pressure value set by the pressure sensor is reached, the electromagnetic iron 606 generates current, the electromagnetic iron 606 and the positioning support 609 slide towards the positioning through slot 610, the positioning and locking of the positioning bolt 6 are realized, the loosening of the positioning bolt 6 and the leakage of the solution medium caused by the high-pressure working condition are avoided, and the pressure gauge 611 realizes the real-time display of the pressure value.

[0040] In this paper, the following points need attention:

[0041] 1. The drawings of the embodiment only relate to the structures involved in the embodiment, and other structures can refer to the general design.

[0042] 2. In the case of no conflict, the features in the embodiment and the embodiment can be combined to obtain a new embodiment.

[0043] The above is only a specific embodiment of the embodiment, but the protection scope of the embodiment is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the embodiment, which should be covered in the protection scope of the embodiment. Therefore, the protection scope of the embodiment should be subject to the protection scope of the claims.

Claims

1. A resin preparation device, comprising a first reaction kettle (1), a second reaction kettle (2), conveying pipes (3), positioning bolts (6) and sealing auxiliary mechanisms, the second reaction kettle (2) is arranged outside the first reaction kettle (1); the conveying pipes (3) are two, and the two conveying pipes (3) are respectively fixedly connected between the discharge port of the first reaction kettle (1) and the feeding port of the second reaction kettle (2); the outer side of the abutting surface of the two conveying pipes (3) is fixedly connected with a connecting flange (4); characterized in that: The inner side of the two connecting flanges (4) is provided with sealing gaskets (5); the sealing gaskets (5) are metal tooth-shaped gaskets; the positioning bolts (6) are multiple, and the multiple positioning bolts (6) are threadedly connected in the circumferential direction on the inner side of the connecting through holes of the connecting flanges (4); the sealing auxiliary mechanism is arranged between the positioning bolts (6) and the connecting flanges (4); the sealing auxiliary mechanism comprises positioning support rings (601) and pressure sensors, the multiple positioning support rings (601) are rotationally connected in the circumferential direction on the inner side of the mounting through holes of the left end connecting flange (4), and the pressure sensors are arranged between the abutting surfaces of the two connecting flanges (4).

2. The resin preparation apparatus of claim 1, wherein: The left and right end faces of the sealing gaskets (5) are provided with compensation auxiliary rings (501); the two compensation auxiliary rings (501) are pressed against the left and right end faces of the sealing gaskets (5), the transverse section of the compensation auxiliary ring (501) is of L-shaped structure, the outer side end face of the compensation auxiliary ring (501) is circumferentially arranged and fixedly connected with multiple guide struts (502); the outer side of the guide struts (502) is provided with elastic extrusion pieces (503); the two ends of the elastic extrusion pieces (503) are fixedly connected with the compensation auxiliary ring (501) and the connecting flange (4) respectively.

3. The apparatus of claim 1, wherein: The inner side of the positioning support ring (601) is fixedly connected with a limiting protrusion (602), and the inner side of the positioning bolt (6) is provided with a limiting groove (603) in the aligned position of the limiting protrusion (602).

4. The resin preparation apparatus of claim 1, wherein: The sealing auxiliary mechanism further comprises a driving tooth ring (604) and a transmission gear (605), the driving tooth ring (604) is rotationally arranged on the inner side of the multiple positioning support rings (601), and the driving tooth ring (604) is rotationally connected with the connecting flange (4); the multiple transmission gears (605) are coaxially fixedly connected with the outer sides of the multiple positioning support rings (601) respectively; the outer side of the driving tooth ring (604) is meshed with the multiple transmission gears (605) respectively.

5. The apparatus of claim 1, wherein: The sealing auxiliary mechanism further comprises an electromagnet (606) and a pressure gauge (611), the electromagnet (606) is arranged on the inner side of the right end connecting flange (4) and is aligned with the position of the mounting through hole, and the pressure gauge (611) is arranged on the outer side of the right end connecting flange (4); the pressure sensor is electrically connected with the electromagnet (606) and the pressure gauge (611) respectively.

6. The apparatus of claim 5, wherein: The right end surface of the electromagnet (606) is coaxially fixedly connected with a guide support shaft (607); the outer side of the guide support shaft (607) is provided with an elastic connecting piece (608); the two ends of the elastic connecting piece (608) are fixedly connected with the electromagnet (606) and the right end connecting flange (4) respectively; the left end surface of the electromagnet (606) is coaxially fixedly connected with a positioning support column (609); the positioning support column (609) and the guide support shaft (607) are both polygonal shaft structures; the right end surface of the positioning bolt (6) is provided with a positioning through slot (610), the positioning through slot (610) is a polygonal slot structure with the same size as the positioning support column (609), and the abutting surface of the positioning bolt (6) and the electromagnet (606) is provided with a magnetic attraction block.

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