CN111253646A - Preparation method of high-performance sealing material applied to high-temperature environment - Google Patents
Preparation method of high-performance sealing material applied to high-temperature environment Download PDFInfo
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- CN111253646A CN111253646A CN202010182453.6A CN202010182453A CN111253646A CN 111253646 A CN111253646 A CN 111253646A CN 202010182453 A CN202010182453 A CN 202010182453A CN 111253646 A CN111253646 A CN 111253646A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/002—Component parts, details or accessories; Auxiliary operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The invention discloses a preparation method of a high-performance sealing material applied to a high-temperature environment, belonging to the field of preparation of sealing materials, and the preparation method of the high-performance sealing material applied to the high-temperature environment comprises the following steps: s1, placing the hydrogenated nitrile rubber into an open mill for plastication; s2, adding metal oxide, stearic acid, acrylate, carbon black, an anti-aging agent, a plasticizer, an anti-scorching agent, a vulcanizing agent and a vulcanizing aid into an open mill in sequence, mixing uniformly to obtain a rubber compound, which can meet various requirements of high temperature resistance, ozone resistance and various chemical corrosion resistance of the sealing material, preparing an excellent sealing material by adding various additives and accurately controlling the proportion of the raw materials, and finally carrying out secondary vulcanization to further improve the product quality.
Description
Technical Field
The invention relates to the field of preparation of sealing materials, in particular to a preparation method of a high-performance sealing material applied to a high-temperature environment.
Background
The gasket sealing plays an important role in modern industrial enterprises, and the quality of the sealing is directly related to the continuity of production, the safety of property, energy conservation, environmental protection and physical and psychological health of people, so the development of the gasket is more and more valued by people. With the rise of modern industries, particularly modern petroleum, chemical industry, atomic energy industry and large-scale power stations, pressure vessels develop towards high temperature, high pressure, high vacuum, deep cooling, large scale and multiple series, new requirements are continuously provided for gasket sealing, various novel materials and novel structures continuously appear, and the sealing performance is also different.
The rubber sealing material is required to be resistant to oil, heat, ozone and various chemicals, the traditional nitrile rubber cannot meet the requirements, the required novel material is used for replacing the traditional nitrile rubber, the proportion of raw materials in the existing sealing material preparation method is different, the quality of the sealing element can be directly influenced if the proportion of hydrogenated nitrile rubber is not well controlled, in addition, a flat vulcanizing machine which is frequently used in the preparation process is inconvenient, for example, an upper pressing plate and a lower pressing plate which are used for extrusion are fixedly arranged, and the upper pressing plate and the lower pressing plate need to be cleaned or replaced after long service time, so that the fixedly arranged pressing plates are inconvenient to operate.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a preparation method of a high-performance sealing material applied to a high-temperature environment, which can meet various requirements of high temperature resistance, ozone resistance and corrosion resistance of various chemicals of the sealing material, can prepare an excellent sealing material by adding various additives and accurately controlling the proportion of the raw materials, and finally carries out two-stage vulcanization, thereby further improving the product quality.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A preparation method of a high-performance sealing material applied to a high-temperature environment comprises the following steps:
s1, placing the hydrogenated nitrile rubber into an open mill for plastication;
s2, sequentially adding metal oxide, stearic acid, acrylate, carbon black, an anti-aging agent, a plasticizer, an anti-scorching agent, a vulcanizing agent and a vulcanizing aid into an open mill, and uniformly mixing to obtain a rubber compound;
s3, taking the mixed rubber out of the open mill, and putting the mixed rubber into a flat vulcanizing machine for vulcanization;
s4, and finally carrying out secondary vulcanization.
Further, the formula of each material in the step S2 is as follows: hydrogenated nitrile rubber: 100 parts, metal oxide: 2-18 parts, stearic acid: 1-6 parts, acrylate: 6-90 parts of carbon black: 12-68 parts of an anti-aging agent: 2-4 parts of a plasticizer: 4-32 parts of a scorch retarder: 3-9 parts of vulcanizing agent: 3-10 parts of a vulcanization assistant: 4-11 parts.
Further, the secondary vulcanization temperature in the step S4 is 160-185 ℃, so that the vulcanization effect and the material quality are further improved.
Further, the vulcanizing press in the step S3 includes a lower base and an upper base, and the lower base and the upper base are respectively used for installing the lower pressing plate and the upper pressing plate.
Further, the upper surface of the lower base is provided with a mounting groove, a lower pressing plate is placed in the mounting groove, the lower surface of the upper base is provided with a mounting groove, an upper pressing plate is placed in the mounting groove, the side walls of the two sides of the upper base are inserted with first positioning rods which are transversely arranged, the first positioning rods penetrate through the mounting groove to be arranged, the side walls of the two sides of the upper pressing plate are provided with first positioning grooves matched with the first positioning rods, the side walls of the two sides of the upper base are fixedly connected with a shell, the shell is arranged above the first positioning rods, the inner wall of one side of the shell is rotatably connected with a threaded rod, one end of the threaded rod penetrates through the outer part of the shell, a nut is connected onto the threaded rod in a threaded manner, the side wall of the lower end of the nut is fixedly connected with a vertically arranged top plate, the side wall of the lower, the lower extreme and the first locating lever of roof offset, the second locating lever that is equipped with horizontal setting is all inserted to the both sides lateral wall of lower base, and the second locating lever runs through to setting up in the mounting groove, the second locating slot that matches with the second locating lever is all seted up to the both sides lateral wall of holding down plate, a set of recess has all been seted up to the both sides lateral wall of lower base, and two recesses in every group are located the both sides setting of second locating lever respectively, fixedly connected with spring between the inner wall of second locating lever and recess, top board and holding down plate all can be dismantled, conveniently clear up like this or change two clamp plates to the problem of clamp plate influences the effect of vulcanizing.
Further, the upper end inner wall fixedly connected with fixed plate of casing, and seted up the spout on the fixed plate, sliding connection has the slider in the spout, and fixedly connected with connecting rod between slider and the nut, and the slider slides in the spout when the nut removes, can strengthen the axial of restriction nut and rotate like this, ensures that the nut can smooth and easy removal.
Furthermore, the fastening bolt that is equipped with vertical setting is inserted to the upper end of going up the base, and fastening bolt runs through to the mounting groove in, the screw hole that matches with fastening bolt is seted up to the upper end lateral wall of top board, and the back in the mounting groove of top board putting into the base is twisted fastening bolt earlier and is inserted first locating lever again, conveniently fixes the top board like this, has saved the trouble of holding in the palm with the hand.
Furthermore, one end of the second positioning rod, which is far away from the lower base, is fixedly connected with a pull ring, and the second positioning rod is conveniently pulled out by the pull ring.
Further, the one end fixedly connected with crank that the casing was kept away from to the threaded rod, and the parcel has the rubber sleeve on the crank, and the threaded rod is conveniently rotated to the crank, the multiplicable comfort level of rubber sleeve.
Further, the width of the strip-shaped opening is slightly larger than that of the top plate, and the strip-shaped opening limits the rotation of the top plate, so that the axial rotation of the nut is limited.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme can realize the sealing material high temperature resistant, resistant ozone and the resistant a great deal of requirement of various chemicals corruption, produces excellent sealing material through the ratio that adds multiple addendum agent and each raw materials of accurate control to carry out the post cure at last, further improve product quality, the flat vulcanizing agent that is used for vulcanizing in addition can conveniently dismantle two clamp plates in time to get off the clearance or change, in order to avoid influencing the effect of vulcanizing.
(2) The secondary vulcanization temperature in the step S4 is 160-185 ℃, so that the vulcanization effect and the material quality are further improved.
(3) The press vulcanizer in the step S3 includes a lower base and an upper base, which are respectively used for mounting the lower platen and the upper platen.
(4) The upper surface of the lower base is provided with a mounting groove, a lower pressing plate is placed in the mounting groove, the lower surface of the upper base is provided with a mounting groove, an upper pressing plate is placed in the mounting groove, the side walls of the two sides of the upper base are inserted with a first positioning rod which is transversely arranged, the first positioning rod penetrates into the mounting groove to be arranged, the side walls of the two sides of the upper pressing plate are provided with a first positioning groove matched with the first positioning rod, the side walls of the two sides of the upper base are fixedly connected with a shell, the shell is arranged above the first positioning rod, one side inner wall of the shell is rotatably connected with a threaded rod, one end of the threaded rod penetrates outside the shell, the threaded rod is in threaded connection with a nut, the side wall of the lower end of the nut is fixedly connected with a vertically arranged top plate, the side wall of the lower end of the shell is provided with, the both sides lateral wall of lower base all inserts the second locating lever that is equipped with horizontal setting, and the second locating lever runs through to setting up in the mounting groove, the second constant head tank that matches with the second locating lever is all seted up to the both sides lateral wall of holding down plate, a set of recess has all been seted up to the both sides lateral wall of lower base, and two recesses in every group are located the both sides setting of second locating lever respectively, fixedly connected with spring between the inner wall of second locating lever and recess, top board and holding down plate all can be dismantled, conveniently clear up like this or change two clamp plates, in order to avoid the problem of clamp plate and influence the effect of vulcanizing.
(5) The upper end inner wall fixedly connected with fixed plate of casing, and seted up the spout on the fixed plate, sliding connection has the slider in the spout, and fixedly connected with connecting rod between slider and the nut, and the slider slides in the spout when the nut removes, can strengthen the axial rotation of restriction nut like this, ensures that the nut can smooth and easy removal.
(6) Go up the upper end of base and insert the fastening bolt who is equipped with vertical setting, and fastening bolt runs through to the mounting groove in, the screw hole that matches with fastening bolt is seted up to the upper end lateral wall of top board, and back in the mounting groove of top board was put into to the top board, twisted fastening bolt earlier and inserted first locating lever again, conveniently fix the top board like this, saved the trouble of holding in the palm with the hand.
(7) One end of the second positioning rod far away from the lower base is fixedly connected with a pull ring, and the second positioning rod is conveniently pulled out by the pull ring.
(8) The one end fixedly connected with crank that the casing was kept away from to the threaded rod, and the parcel has the rubber sleeve on the crank, and the threaded rod is conveniently rotated to the crank, the multiplicable comfort level of rubber sleeve.
(9) The width of bar opening slightly is greater than the width of roof, and the rotation of bar opening restriction roof to the axial of restriction nut rotates.
Drawings
FIG. 1 is a flow chart of the preparation of the present invention;
FIG. 2 is a schematic view of a front view of a press vulcanizer of the present invention;
FIG. 3 is a schematic left side view of the flat vulcanizer of the present invention;
FIG. 4 is a schematic view of the structure at A in FIG. 3;
FIG. 5 is a schematic view of the structure at B in FIG. 4;
fig. 6 is a schematic structural diagram at C in fig. 3.
The reference numbers in the figures illustrate:
the device comprises a lower base 1, a lower pressing plate 2, an upper base 3, an upper pressing plate 4, a first positioning rod 5, a first positioning groove 6, a shell 7, a threaded rod 8, a nut 9, a top plate 10, a strip-shaped opening groove 11, a second positioning rod 12, a second positioning groove 13, a spring 14, a fixing plate 15, a sliding groove 16, a sliding block 17, a connecting rod 18, a fastening bolt 19, a pull ring 20 and a crank 21.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, a method for preparing a high-performance sealing material applied in a high-temperature environment includes the following steps:
s1, placing the hydrogenated nitrile rubber into an open mill for plastication;
s2, sequentially adding metal oxide, stearic acid, acrylate, carbon black, an anti-aging agent, a plasticizer, an anti-scorching agent, a vulcanizing agent and a vulcanizing aid into an open mill, and uniformly mixing to obtain a rubber compound;
s3, taking the mixed rubber out of the open mill, and putting the mixed rubber into a flat vulcanizing machine for vulcanization;
s4, and finally carrying out secondary vulcanization.
The formula of each material in the step S2 is as follows: hydrogenated nitrile rubber: 100 parts, metal oxide: 2-18 parts, stearic acid: 1-6 parts, acrylate: 6-90 parts of carbon black: 12-68 parts of an anti-aging agent: 2-4 parts of a plasticizer: 4-32 parts of a scorch retarder: 3-9 parts of vulcanizing agent: 3-10 parts of a vulcanization assistant: 4-11 parts, wherein the secondary vulcanization temperature in the step S4 is 160-185 ℃, so that the vulcanization effect and the material quality are further improved;
referring to fig. 2-3, the vulcanizing press in step S3 includes a lower base 1 and an upper base 3, the lower base 1 and the upper base 3 are used for installing a lower press plate 2 and an upper press plate 4, respectively, a vertically arranged fastening bolt 19 is inserted into the upper end of the upper base 3, the fastening bolt 19 penetrates into the installation groove, the upper press plate 4 has a threaded hole matching with the fastening bolt 19 on the upper end side wall, after the upper press plate 4 is placed into the installation groove of the upper base 3, the fastening bolt 19 is screwed and then a first positioning rod 5 is inserted, so as to fix the upper press plate 4 conveniently, and save the trouble of holding by hand, the upper base 1 has an installation groove on the upper surface, the lower press plate 2 is placed in the installation groove, the upper base 3 has an installation groove on the lower surface, the upper press plate 4 is placed in the installation groove, the first positioning rods 5 transversely arranged are inserted into the side walls of the upper base 3, and the first positioning rods 5 penetrate into the installation groove, the side walls of the two sides of the upper pressure plate 4 are respectively provided with a first positioning groove 6 matched with the first positioning rod 5;
referring to fig. 4-6, the side walls of the two sides of the upper base 3 are fixedly connected with a casing 7, the casing 7 is disposed above the first positioning rod 5, the inner wall of one side of the casing 7 is rotatably connected with a threaded rod 8, one end of the threaded rod 8 penetrates the casing 7, one end of the threaded rod 8, which is far away from the casing 7, is fixedly connected with a crank 21, the crank 21 is wrapped with a rubber sleeve, the crank 21 conveniently rotates the threaded rod 8, the rubber sleeve can increase comfort, the threaded rod 8 is in threaded connection with a nut 9, the inner wall of the upper end of the casing 7 is fixedly connected with a fixing plate 15, the fixing plate 15 is provided with a chute 16, the chute 16 is slidably connected with a sliding block 17, a connecting rod 18 is fixedly connected between the sliding block 17 and the nut 9, the sliding block 17 slides in the chute 16 when the nut 9 moves, so that the axial rotation, a vertically arranged top plate 10 is fixedly connected to the side wall of the lower end of the nut 9, a strip-shaped opening 11 is formed in the side wall of the lower end of the shell 7, the width of the strip-shaped opening 11 is slightly larger than that of the top plate 10, the strip-shaped opening 11 limits the rotation of the top plate 10, so as to limit the axial rotation of the nut 9, the top plate 10 penetrates through the strip-shaped opening 11, the lower end of the top plate 10 is abutted against the first positioning rod 5, second positioning rods 12 transversely arranged are inserted into the side walls of the two sides of the lower base 1, one ends of the second positioning rods 12 far away from the lower base 1 are fixedly connected with pull rings 20, the pull rings 20 are conveniently pulled out of the second positioning rods 12, the second positioning rods 12 penetrate into the mounting grooves, second positioning grooves 13 matched with the second positioning rods, and two recesses in every group are located the both sides setting of second locating lever 12 respectively, fixedly connected with spring 14 between the inner wall of second locating lever 12 and recess, and top board 4 and holding down plate 2 are all removable, conveniently clear up like this or change two clamp plates to the problem of clamp plate influences the effect of vulcanizing.
When the upper pressing plate 4 is detached, the first positioning rod 5 is pulled outwards to be separated from the first positioning groove 6, then the fastening bolt 19 above is screwed out, at the same time, the upper pressing plate 4 is screwed on the fastening bolt 19 in the upper base 3, and then the threaded rod 8 is reversely rotated when the upper pressing plate 4 is installed, the top plate 10 is pressed against the first positioning rod 5, and the upper press plate 4 is fixed.
The sealing material can meet various requirements of high temperature resistance, ozone resistance and various chemical corrosion resistance of the sealing material, the excellent sealing material is prepared by adding various additives and accurately controlling the proportion of raw materials, and finally, two-stage vulcanization is carried out, so that the product quality is further improved, and in addition, the flat vulcanizing agent for vulcanization can be used for conveniently disassembling two pressing plates and timely disassembling the two pressing plates for cleaning or replacing the two pressing plates so as to avoid influencing the vulcanization effect.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (10)
1. A preparation method of a high-performance sealing material applied to a high-temperature environment is characterized by comprising the following steps: the method comprises the following steps:
s1, placing the hydrogenated nitrile rubber into an open mill for plastication;
s2, sequentially adding metal oxide, stearic acid, acrylate, carbon black, an anti-aging agent, a plasticizer, an anti-scorching agent, a vulcanizing agent and a vulcanizing aid into an open mill, and uniformly mixing to obtain a rubber compound;
s3, taking the mixed rubber out of the open mill, and putting the mixed rubber into a flat vulcanizing machine for vulcanization;
s4, and finally carrying out secondary vulcanization.
2. The preparation method of the high-performance sealing material applied to the high-temperature environment according to claim 1, characterized by comprising the following steps: the formula of each material in the step S2 is as follows: hydrogenated nitrile rubber: 100 parts, metal oxide: 2-18 parts, stearic acid: 1-6 parts, acrylate: 6-90 parts of carbon black: 12-68 parts of an anti-aging agent: 2-4 parts of a plasticizer: 4-32 parts of a scorch retarder: 3-9 parts of vulcanizing agent: 3-10 parts of a vulcanization assistant: 4-11 parts.
3. The preparation method of the high-performance sealing material applied to the high-temperature environment according to claim 1, characterized by comprising the following steps: the secondary vulcanization temperature in the step S4 is 160-185 ℃.
4. The preparation method of the high-performance sealing material applied to the high-temperature environment according to claim 1, characterized by comprising the following steps: the vulcanizing press in the step S3 comprises a lower base (1) and an upper base (3).
5. The preparation method of the high-performance sealing material applied to the high-temperature environment according to claim 4, wherein the preparation method comprises the following steps: the upper surface of the lower base (1) is provided with a mounting groove, a lower pressing plate (2) is placed in the mounting groove, the lower surface of the upper base (3) is provided with a mounting groove, an upper pressing plate (4) is placed in the mounting groove, the side walls of the two sides of the upper base (3) are inserted with first positioning rods (5) which are transversely arranged, the first positioning rods (5) penetrate through the mounting groove, the side walls of the two sides of the upper pressing plate (4) are provided with first positioning grooves (6) matched with the first positioning rods (5), the side walls of the two sides of the upper base (3) are fixedly connected with a shell (7), the shell (7) is arranged above the first positioning rods (5), the inner wall of one side of the shell (7) is rotatably connected with a threaded rod (8), one end of the threaded rod (8) penetrates through the outer part of the shell (7), the threaded rod (8) is in threaded connection with a nut (9), and the lower end side wall of the nut (9) is fixedly connected with a vertically arranged top plate (10), the lower end side wall of the shell (7) is provided with a strip-shaped opening (11), the top plate (10) is arranged by penetrating the strip-shaped opening (11), the lower end of the top plate (10) is propped against the first positioning rod (5), the side walls of the two sides of the lower base (1) are inserted with second positioning rods (12) which are transversely arranged, a second positioning rod (12) is arranged in the mounting groove in a penetrating way, the side walls of the two sides of the lower pressing plate (2) are respectively provided with a second positioning groove (13) matched with the second positioning rod (12), the side walls of the two sides of the lower base (1) are respectively provided with a group of grooves, and two grooves in each group are respectively arranged at two sides of the second positioning rod (12), and a spring (14) is fixedly connected between the second positioning rod (12) and the inner wall of each groove.
6. The preparation method of the high-performance sealing material applied to the high-temperature environment according to claim 5, wherein the preparation method comprises the following steps: the upper end inner wall fixedly connected with fixed plate (15) of casing (7), and seted up spout (16) on fixed plate (15), sliding connection has slider (17) in spout (16), and fixedly connected with connecting rod (18) between slider (17) and nut (9).
7. The preparation method of the high-performance sealing material applied to the high-temperature environment according to claim 5, wherein the preparation method comprises the following steps: the upper end of the upper base (3) is inserted with a vertically arranged fastening bolt (19), the fastening bolt (19) penetrates into the mounting groove, and a threaded hole matched with the fastening bolt (19) is formed in the side wall of the upper end of the upper pressure plate (4).
8. The preparation method of the high-performance sealing material applied to the high-temperature environment according to claim 5, wherein the preparation method comprises the following steps: one end of the second positioning rod (12) far away from the lower base (1) is fixedly connected with a pull ring (20).
9. The preparation method of the high-performance sealing material applied to the high-temperature environment according to claim 5, wherein the preparation method comprises the following steps: one end of the threaded rod (8) far away from the shell (7) is fixedly connected with a crank (21), and the crank (21) is wrapped with a rubber sleeve.
10. The preparation method of the high-performance sealing material applied to the high-temperature environment according to claim 5, wherein the preparation method comprises the following steps: the width of the strip-shaped opening (11) is slightly larger than that of the top plate (10).
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| CN202010182453.6A CN111253646A (en) | 2020-03-16 | 2020-03-16 | Preparation method of high-performance sealing material applied to high-temperature environment |
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2020
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| CN101824172A (en) * | 2010-04-16 | 2010-09-08 | 青岛科技大学 | Preparation method of high temperature and high pressure resistant rubber sealing material |
| EP2915646A1 (en) * | 2012-11-05 | 2015-09-09 | Mitsubishi Heavy Industries Machinery Technology Corporation | Tire vulcanizer and tire vulcanizer maintenance method |
| CN209424801U (en) * | 2018-09-28 | 2019-09-24 | 青岛瑞利杰金属有限公司 | A kind of fixing device used for welding |
| CN209007302U (en) * | 2018-11-14 | 2019-06-21 | 天津兆全金属制造有限公司 | A kind of steel scrap pipe surface rusty scale grinding device |
| CN109128035A (en) * | 2018-11-19 | 2019-01-04 | 江苏中科纽克生态科技有限公司 | A kind of core setter position cope positioning device |
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Application publication date: 20200609 |