CN114888991A - Oil-resistant silicone rubber composition and preparation method thereof - Google Patents

Oil-resistant silicone rubber composition and preparation method thereof Download PDF

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Publication number
CN114888991A
CN114888991A CN202210340148.4A CN202210340148A CN114888991A CN 114888991 A CN114888991 A CN 114888991A CN 202210340148 A CN202210340148 A CN 202210340148A CN 114888991 A CN114888991 A CN 114888991A
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China
Prior art keywords
rod
block
fixedly connected
plate
arc
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CN202210340148.4A
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Chinese (zh)
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李舒敏
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Individual
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Priority to CN202210340148.4A priority Critical patent/CN114888991A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • B29B7/12—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft
    • B29B7/16—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft with paddles or arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/22—Component parts, details or accessories; Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/802—Constructions or methods for cleaning the mixing or kneading device
    • 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
    • B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)

Abstract

The invention discloses an oil-resistant silicon rubber composition and a preparation method thereof, relating to the technical field of oil-resistant silicon rubber, and the oil-resistant silicon rubber composition comprises a box, a protective block, a circular plate, a supporting leg, a bottom plate and an arc-shaped block, wherein materials can be mixed and stirred by a mixing box, and a fixed rod and a fixed plate used for stirring can extend outwards for a certain distance by the effect of centrifugal force, so that the stirring range can be increased, the stirring and mixing effects are increased to a certain extent, most of the materials can be stirred during mixing, the mixing efficiency of the materials is further increased, the fixed plate can be limited and fixed in position by a bent plate, the fixed plate is driven to move together when the fixed plate extends out of the fixed plate, the materials can be beaten, stirred and mixed by a first arc-shaped plate and a second arc-shaped plate, and the materials can only flow from the outer side of the fixed rod, thereby enabling the top block to exert the maximum effect.

Description

Oil-resistant silicone rubber composition and preparation method thereof
Technical Field
The invention belongs to the technical field of oil-resistant silicone rubber, and particularly relates to an oil-resistant silicone rubber composition and a preparation method thereof.
Background
The oil-resistant silicone rubber composition and the preparation method thereof are provided for solving the problem that the oil-resistant silicone rubber composition is inevitably required to be mixed during preparation, so that the effect of blending with a compounding agent is achieved, but the existing mixing device generally adopts a stirring rod with a fixed position for stirring and mixing during stirring, the stirring mode cannot enable all materials in a mixing box to be stirred, the phase change reduces the mixing effect and the mixing uniformity, and the oil-resistant silicone rubber composition and the preparation method thereof are provided.
Disclosure of Invention
The invention aims to provide an oil-resistant silicone rubber composition and a preparation method thereof, which solve the existing problems through a mixing box.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an oil-resistant silicone rubber composition which comprises raw rubber, a compounding agent, fibers and a metal material.
A preparation method of an oil-resistant silicone rubber composition comprises the following steps:
the method comprises the following steps: plasticating: plastication is to convert raw rubber from a tough elastic state into soft rubber through mechanical stress, heat and oxygen, so that the raw rubber is convenient for the next step of work;
step two: mixing: the mixing refers to a process of uniformly mixing various ingredients into the raw rubber in a mixing device;
step three: rolling: the calendering is a process of preparing the rubber compound into a rubber sheet on a calender or preparing the rubber sheet and fibers into a semi-finished product of the rubber sheet;
step four: extruding: extrusion is a working process of extruding and primarily shaping the rubber material through an extruder;
step five: die casting: the rubber material is filled in a plug cylinder of a die casting machine, and the rubber material is injected into a die cavity under pressurization for vulcanization;
step six: and (3) vulcanization: vulcanization is a cross-linking process in which silicone rubber macromolecules are converted from a linear structure into a network structure under certain conditions.
Furthermore, the mixing device comprises a mixing box, a protection block, a circular plate, supporting legs, a bottom plate and an arc-shaped block, wherein the protection block is fixedly connected to a center shaft at the bottom of the mixing box;
the mixing box comprises a cylindrical rod, a fourth connecting block, a first fixing block, a bent plate, fixing rods, a first arc-shaped plate, a second arc-shaped plate and fixing plates, wherein the fourth connecting block is fixedly connected to the upper side and the lower side of the outer surface of the cylindrical rod;
one of the fixed block comprises a clamping plate and a round bar, an arc-shaped groove is formed in the inside of the fixed block, the clamping plate is arranged at the bottom of the inner wall of the arc-shaped groove, the round bar is fixedly connected to the top of the inner wall of the arc-shaped groove, the bottom of the round bar is fixedly connected with the bottom of the inner wall of the arc-shaped groove in a penetrating mode, the clamping plate is slidably connected to the outer surface of the round bar, the top of the clamping plate is fixedly connected with a spring, and the spring is sleeved on the outer surface of the round bar.
Furthermore, one end, far away from the mixing box, of the supporting leg is fixedly connected with the bottom of the circular plate, the arc-shaped block is fixedly connected with the outer surface of the bottom plate, a motor is fixedly mounted inside the protection block, the top of the motor is fixedly connected with a rotating rod, the top of the rotating rod penetrates through the protection block and the bottom of the mixing box and extends to the inside, and the top of the rotating rod is fixedly connected with the bottom of the cylindrical rod;
the cylindrical rod is rotatably connected with the motor through a rotating rod.
Further, the top of the circular plate is fixedly connected with four cylindrical blocks, a circular opening is formed in the top of each cylindrical block, a supporting rod is connected to the inner portion of the circular opening in a sliding mode, an arc-shaped rod is fixedly connected to the top of the supporting rod, a circular fixing plate is arranged at the top of the mixing box, and an inserting rod is fixedly connected to the bottom of the circular fixing plate;
the outer surface of the circular fixed plate is fixedly connected with the arc-shaped rod.
Further, the cylindrical rod comprises a first limiting plate, a first connecting block, a second connecting block, a support rod, a third connecting block, a square block, a T-shaped rod, a connecting rod and a push rod, a first cylindrical groove is formed in the top of the cylindrical rod, a second cylindrical groove is formed in the bottom of the first cylindrical groove, the first limiting plate is arranged on the left side and the right side of the inner part of the second cylindrical groove, the first connecting block is fixedly connected to the upper side and the lower side of the outer surface of the first limiting plate, the second connecting block is fixedly connected to the left side and the right side of the inner wall of the second cylindrical groove, the support rod is arranged at one end, far away from the first limiting plate, of the first connecting block, the square groove is formed in the middle shaft of the inner part of the cylindrical rod, the third connecting block is fixedly connected to the outer surface of the push rod and the inner part of the square groove, the square block is arranged on one side, far away from the push rod, of the T-shaped rod is slidably connected to the inside of the square block, the push rod is connected inside the square groove in a sliding manner;
the square piece is inside to be provided with spring one, the spring cup joints at T pole surface.
Furthermore, the top of the T rod penetrates through the square block and is rotatably connected with a third connecting block positioned on the outer surface of the push rod through a first rotating shaft, and the connecting rod is rotatably connected with a third connecting block positioned in the square groove through a second rotating shaft;
the support rod is connected with the first connecting block in a rotating mode through a third rotating shaft and a fourth rotating shaft respectively.
Furthermore, a second spring is fixedly connected to a middle shaft on the outer surface of the first limiting plate, the second spring is fixedly connected with the inner wall of the second cylindrical groove, the size and the shape of the first cylindrical groove are the same as those of the insertion rod, and the bottom of the insertion rod is in contact with the bottom of the inner wall of the second cylindrical groove;
the top of the push rod penetrates through the square groove and extends to the outside, and the top of the push rod is fixedly connected with the fixing rod.
Further, the fixing plate comprises a circular rod, a second limiting plate, a long rod, a sealing block, a top block, a short rod and a fan-shaped arc block, a clamping groove is formed in the fixing plate, the circular rod is connected inside the clamping groove in a sliding mode, the second limiting plate is fixedly connected to the upper side and the lower side of the circular rod, the long rod is fixedly connected to the upper side and the lower side of the inside of the clamping groove, openings are formed in the left side and the right side of the clamping groove, the sealing block is embedded in the inner wall of each opening, the left end and the right end of the circular rod penetrate through the openings and extend to the outside, the top block is fixedly connected to the left end and the right end of the circular rod, an opening is formed in the front face of the top block, the short rod is rotatably connected to the inside of the opening, and the fan-shaped arc block is fixedly connected to the outer surface of the short rod;
the sector arc block is rotationally connected with the top block through a short rod.
Furthermore, the second limiting plate is connected to the outer surface of the long rod in a sliding mode, the third limiting plate is fixedly connected to the left side and the right side of the third limiting plate, the third limiting plate is connected to the outer surface of the long rod in a sleeved mode, and the inner surface of the sealing block is in contact with the outer surface of the round rod.
The invention has the following beneficial effects:
according to the invention, materials can be mixed and stirred through the mixing box, and through the effect of centrifugal force, the fixed rod and the fixed plate for stirring can extend outwards for a certain distance, so that the stirring range can be increased, the stirring and mixing effect is increased to a certain extent, most of materials can be stirred during mixing, the mixing efficiency of the materials is further increased, the fixed plate can be limited and fixed in position through the bent plate, the fixed plate is driven to move together when the fixed plate extends outwards, the materials can be beaten, stirred and mixed through the first arc-shaped plate and the second arc-shaped plate, and can only flow from the outer side of the fixed rod, so that the top block can exert the maximum effect.
According to the invention, through the fixing plate, when the top block at the outer side of the fixing plate is contacted with the inner wall of the mixing box, the top block at the outer side is stressed to drive the circular rod to move towards the inner side of the fixing plate, the top block at the inner side can extend a certain distance towards the inner side of the fixing plate, the top block at the outer side can clean and scrape the inner wall of the mixing box to a certain extent, the phenomenon that a mixture is adhered to the inner wall of the mixing box is reduced, the top block at the inner side can strike and stir the mixture at the inner side of the fixing plate, the mixing efficiency is further improved, the uniformity of materials in mixing is increased to a certain extent, and the position of the limiting plate can be limited through the long rod, and the stability of the circular rod in sliding can be improved.
The invention can support the mixing box and fix the circular plate through the support legs, can protect the periphery of the protection block to a certain degree, can fix and support the bottom plate through the arc-shaped block, further increases the fixing effect of the protection block, can limit the position of the inserted rod through the cylindrical block, increases the connectivity between the inserted rod and the cylindrical rod, and can ensure the extension and retraction of the fixing plate.
According to the invention, the effect of supporting the top of the cylindrical rod is achieved through the circular plate, so that the stability of the cylindrical rod during rotation is increased, some shaking caused by rotation is reduced, the effect of limiting the extending distance of the bent plate is achieved through the clamping plate, and the circular plate can be attached to the bottom inside the arc-shaped groove through the arc-shaped arrangement.
Of course, it is not necessary for any product to practice the invention to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view showing the entire structure of the interior of the mixing box according to the present invention;
FIG. 3 is a schematic view of the internal structure of the cylindrical rod of the present invention;
FIG. 4 is a schematic view of the internal structure of the first fixing block of the present invention;
FIG. 5 is a schematic view of the internal structure of the fixing plate according to the present invention;
FIG. 6 is a schematic view of the internal structure of the cylindrical rod of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 according to the present invention.
FIG. 8 is a schematic view of the working process of the present invention
In the drawings, the components represented by the respective reference numerals are listed below:
1. a mixing box; 11. a cylindrical rod; 111. a first limiting plate; 112. a first connecting block; 113. a second connecting block; 114. a strut; 115. connecting blocks III; 116. a square block; 117. a T-bar; 118. a connecting rod; 119. a push rod; 12. connecting blocks IV; 13. a first fixed block; 131. clamping a plate; 132. a round bar; 14. bending a plate; 15. fixing the rod; 16. a first arc plate; 17. a second arc-shaped plate; 18. a fixing plate; 181. a circular rod; 182. a second limiting plate; 183. a long rod; 184. a sealing block; 185. a top block; 186. a short bar; 187. a sector arc block; 2. a protection block; 3. a circular plate; 31. a cylindrical block; 32. a support bar; 33. an arcuate bar; 34. circular fixing plates; 35. inserting a rod; 4. supporting legs; 5. a base plate; 6. an arc-shaped block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1-8, the oil-resistant silicone rubber composition of the present invention comprises raw rubber, compounding agent, fiber and metal material.
A preparation method of an oil-resistant silicone rubber composition comprises the following steps:
the method comprises the following steps: plasticating: plastication is to convert raw rubber from a tough elastic state into soft rubber through mechanical stress, heat and oxygen, so that the raw rubber is convenient for the next step of work;
step two: mixing: the mixing refers to a process of uniformly mixing various ingredients into the raw rubber in a mixing device;
step three: rolling: the calendering is a process of preparing the rubber compound into a rubber sheet on a calender or preparing the rubber sheet and fibers into a semi-finished product of a rubberized fabric;
step four: extruding: extrusion is a working process of extruding and primarily shaping the rubber material through an extruder;
step five: die casting: the rubber material is filled in a plug cylinder of a die casting machine, and the rubber material is injected into a die cavity under pressurization for vulcanization;
step six: and (3) vulcanization: vulcanization is a cross-linking process in which silicone rubber macromolecules are converted from a linear structure into a network structure under certain conditions.
The mixing device comprises a mixing box 1, a protection block 2, a circular plate 3, support legs 4, a bottom plate 5 and arc-shaped blocks 6, wherein the protection block 2 is fixedly connected to a center shaft at the bottom of the mixing box 1, the circular plate 3 is fixedly connected to a center shaft at the outer surface of the mixing box 1, the support legs 4 are fixedly connected to the bottom of the mixing box 1, the number of the support legs 4 is eight, the bottom plate 5 is fixedly connected to the bottom of the protection block 2, the arc-shaped blocks 6 are fixedly connected to the outer surfaces of the support legs 4, through the support legs 4, the mixing box 1 can be supported while the circular plate 3 can be fixed, on the other hand, the periphery of the protection block 2 can be protected to a certain extent, the bottom plate 5 can be fixed and supported through the arc-shaped blocks 6, and the fixing effect on the protection block 2 is further improved;
the mixing box 1 comprises a cylindrical rod 11, a connecting block four 12, a fixing block one 13, a bent plate 14, fixing rods 15, an arc plate one 16, an arc plate two 17 and fixing plates 18, wherein the connecting block four 12 is fixedly connected to the upper side and the lower side of the outer surface of the cylindrical rod 11, the fixing block one 13 is fixedly connected to the outer surface of the connecting block four 12, the bent plate 14 is arranged at one end, far away from the connecting block four 12, of the fixing block one 13, the fixing plates 18 can be limited and fixed in position through the bent plate 14, and the fixing plates 18 are driven to move together when extending out of the fixing box, the fixing rods 15 are arranged on the outer surface of the cylindrical rod 11, the number of the fixing rods 15 is twenty, twenty fixing rods 15 are divided into four fixing rods, the arc plate one 16 is fixedly connected to the left side of the outer surface of the fixing rod 15 at the upper end, the arc plate two 17 is fixedly connected to the right side of the outer surface of the fixing rod 15 at the lower end, and the fixing plates 18 are arranged outside the cylindrical rod 11, through the mixing box 1, materials can be mixed and stirred, and through the effect of centrifugal force, the fixed rod 15 and the fixed plate 18 for stirring can both extend out for a certain distance, so that the stirring range can be enlarged, the stirring and mixing effect is increased to a certain extent, most of materials can be stirred during mixing, the mixing efficiency of the materials is further increased, the materials can be beaten, stirred and mixed through the first arc-shaped plate 16 and the second arc-shaped plate 17, and can only flow from the outer side of the fixed rod 15, so that the top block 185 can exert the maximum effect;
first fixed block 13 includes cardboard 131 and circular rod 132, first 13 inside arc wall that is provided with of fixed block, cardboard 131 sets up in arc wall inner wall bottom, circular rod 132 fixed connection is at arc wall inner wall top, cardboard 131 and arc wall inner wall bottom fixed connection are run through to circular rod 132 bottom, cardboard 131 sliding connection is at circular rod 132 surface, cardboard 131 top fixedly connected with spring is five, five cup joints at circular rod 132 surfaces of spring, through cardboard 131, reached and stretched out the effect that the distance restricted to bent plate 14, and through curved shape setting, can be in the same place with the inside bottom laminating of arc wall.
One end of the supporting leg 4 far away from the mixing box 1 is fixedly connected with the bottom of the circular plate 3, the arc-shaped block 6 is fixedly connected with the outer surface of the bottom plate 5, a motor is fixedly arranged in the protection block 2, the top of the motor is fixedly connected with a rotating rod, the top of the rotating rod penetrates through the bottoms of the protection block 2 and the mixing box 1 and extends to the inside, and the top of the rotating rod is fixedly connected with the bottom of the cylindrical rod 11;
the cylindrical rod 11 is rotatably connected with the motor through a rotating rod.
The top of the circular plate 3 is fixedly connected with four cylindrical blocks 31, the top of each cylindrical block 31 is provided with a circular opening, the inner part of each circular opening is slidably connected with a support rod 32, the top of each support rod 32 is fixedly connected with an arc-shaped rod 33, the top of the mixing box 1 is provided with a circular fixing plate 34, and the bottom of each circular fixing plate 34 is fixedly connected with an insertion rod 35;
the outer surface of the circular fixing plate 34 is fixedly connected with the arc-shaped rod 33.
The cylindrical rod 11 comprises a first limiting plate 111, a first connecting block 112, a second connecting block 113, a supporting rod 114, a third connecting block 115, a square block 116, a T-shaped rod 117, a connecting rod 118 and a push rod 119, wherein a cylindrical groove I is formed in the top of the cylindrical rod 11, a cylindrical groove II is formed in the bottom of the cylindrical groove I, the first limiting plate 111 is arranged on the left side and the right side in the cylindrical groove II, the first connecting block 112 is fixedly connected to the upper side and the lower side of the outer surface of the first limiting plate 111, the second connecting block 113 is fixedly connected to the left side and the right side of the inner wall of the cylindrical groove II, the supporting rod 114 is arranged at one end, far away from the first limiting plate 111, of the first connecting block 112, the square groove is formed in the center shaft in the cylindrical rod 11, the third connecting block 115 is fixedly connected to the outer surface of the push rod 119 and the inside of the square groove, the square block 116 is arranged at one side, the T-shaped rod 117 is slidably connected to the inside of the square block 116, and the connecting rod 118 is fixedly connected to one end, far away from the push rod 119, the push rod 119 is slidably connected inside the square groove, and through the cylindrical rod 11, on one hand, the position of the insert rod 35 can be limited, so that the connectivity between the insert rod 35 and the cylindrical rod 11 is increased, and on the other hand, the extension and retraction of the fixing plate 18 can be ensured;
a first spring is arranged inside the square block 116 and sleeved on the outer surface of the T-shaped rod 117.
The top of the T rod 117 penetrates through the square block 116 and is rotationally connected with a third connecting block 115 positioned on the outer surface of the push rod 119 through a first rotating shaft, and the connecting rod 118 is rotationally connected with the third connecting block 115 positioned in the square groove through a second rotating shaft;
the supporting rod 114 is rotatably connected with the first connecting block 112 and the second connecting block 113 through a third rotating shaft and a fourth rotating shaft respectively.
A second spring is fixedly connected to the middle shaft of the outer surface of the first limiting plate 111, the second spring is fixedly connected with the inner wall of the second cylindrical groove, the size and the shape of the first cylindrical groove are the same as those of the inserting rod 35, and the bottom of the inserting rod 35 is in contact with the bottom of the inner wall of the second cylindrical groove;
the top of the push rod 119 penetrates through the square groove and extends to the outside, and the top of the push rod 119 is fixedly connected with the fixing rod 15.
The fixing plate 18 comprises a round rod 181, a second limit plate 182, a long rod 183, a sealing block 184, a top block 185, a short rod 186 and a fan-shaped arc block 187, a clamping groove is arranged in the fixing plate 18, the round rod 181 is slidably connected in the clamping groove, the second limit plate 182 is fixedly connected to the upper side and the lower side of the round rod 181, the long rod 183 is fixedly connected to the upper side and the lower side of the clamping groove, openings are formed in the left side and the right side of the clamping groove, the sealing block 184 is embedded in the inner wall of the opening, the left end and the right end of the round rod 181 penetrate through the openings and extend to the outside, the top block 185 is fixedly connected to the left end and the right end of the round rod 181, a through hole is formed in the front surface of the top block 185, the short rod 186 is rotatably connected in the through hole, the fan-shaped arc block 187 is fixedly connected to the outer surface of the short rod 186, through the fixing plate 18, when the top block 185 on the outer side of the fixing plate 18 is in contact with the inner wall of the mixing box 1, the outer side, the top block 185 is forced to drive the round rod 181 to move towards the inner side of the fixing plate 18, the top block 185 at the inner side extends a certain distance towards the inner side of the fixed plate 18, the top block 185 at the outer side can clean and scrape the inner wall of the mixing box 1 to a certain extent, so that the mixture is prevented from being adhered to the inner wall of the mixing box 1, and the mixture at the inner side of the top block 185 at the inner side of the fixed plate 18 is beaten and stirred, so that the mixing efficiency is further improved, and the uniformity of the materials in mixing is increased to a certain extent;
the arcuate segment 187 is pivotally connected to the top segment 185 by a short rod 186.
Two 182 sliding connection of limiting plate are in stock 183 surfaces, two 182 left and right sides fixedly connected with springs three of limiting plate, and springs three cup joints in stock 183 surfaces, through stock 183, can also increase the stability when circular rod 181 slides when can injecing the position of two 182 limiting plates, and sealed block 184 internal surface and circular rod 181 surface are contact each other.
One specific application of this embodiment is: after materials to be mixed are placed into the mixing box 1, a motor in the protection block 2 is started, the cylindrical rod 11 starts to rotate under the influence of the rotating rod, the clamping plate 131 in the first fixing block 13 is influenced by centrifugal force to drive the bent plate 14 to move outwards, the fixing plate 18 also moves when the bent plate 14 moves, when the top block 185 on the outer side of the fixing plate 18 is in contact with the inner wall of the mixing box 1, the top block 185 on the outer side is stressed to drive the circular rod 181 to move towards the inner side of the fixing plate 18, the second limiting plate 182 moves along the long rod 183 and extrudes the third spring, the top block 185 on the inner side extends a distance towards the inner side of the fixing plate 18, the push rod 119 also moves under the influence of centrifugal force, when the push rod 119 moves, the T rod 117 in the square block 116 is driven to move together through the third connecting block 115, and the first spring is compressed when the T rod 117 moves, square piece 116 is then because being fixed by connecting rod 118, so T pole 117 can remove and then reach tensile effect, and dead lever 15 receives the influence of push rod 119 to also move to the outside, mixes the stirring to the material, and after mixing, can take out circular solid board 34 from mixing box 1 top, and then can not hinder to operating the material of mixing box 1 inside.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (10)

1. An oil-resistant silicone rubber composition characterized by: the material is composed of the following materials:
raw rubber, compounding agent, fiber and metal material.
2. A preparation method of an oil-resistant silicone rubber composition is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: plasticating: plastication is to convert raw rubber from a tough elastic state into soft rubber through mechanical stress, heat and oxygen, so that the raw rubber is convenient for the next step of work;
step two: mixing: the mixing refers to a process of uniformly mixing various ingredients into the raw rubber in a mixing device;
step three: rolling: the calendering is a process of preparing the rubber compound into a rubber sheet on a calender or preparing the rubber sheet and fibers into a semi-finished product of the rubber sheet;
step four: extruding: extrusion is a working process of extruding and primarily shaping the rubber material through an extruder;
step five: die casting: the rubber material is filled in a plug cylinder of a die casting machine, and the rubber material is cast into a die cavity under pressurization for vulcanization;
step six: and (3) vulcanization: vulcanization is a cross-linking process in which silicone rubber macromolecules are converted from a linear structure into a network structure under certain conditions.
3. The preparation method of the oil-resistant silicone rubber composition according to claim 2, wherein the mixing device comprises a mixing box (1), a protective block (2), a circular plate (3), support legs (4), a bottom plate (5) and an arc-shaped block (6), and is characterized in that: the protective block (2) is fixedly connected to a central shaft at the bottom of the mixing box (1), the circular plate (3) is fixedly connected to a central shaft at the outer surface of the mixing box (1), the supporting legs (4) are fixedly connected to the bottom of the mixing box (1), the number of the supporting legs (4) is eight, the bottom plate (5) is fixedly connected to the bottom of the protective block (2), and the arc-shaped block (6) is fixedly connected to the outer surface of the supporting legs (4);
the mixing box (1) comprises a cylindrical rod (11), a connecting block four (12), a fixing block one (13), a bent plate (14), fixing rods (15), an arc plate one (16), an arc plate two (17) and fixing plates (18), wherein the connecting block four (12) is fixedly connected to the upper side and the lower side of the outer surface of the cylindrical rod (11), the fixing block one (13) is fixedly connected to the outer surface of the connecting block four (12), the bent plate (14) is arranged at one end, far away from the connecting block four (12), of the fixing rod (15) arranged on the outer surface of the cylindrical rod (11), the number of the fixing rods (15) is twenty, twenty fixing rods (15) are divided into every four groups, the arc plate one (16) is fixedly connected to the left side of the outer surface of the fixing rod (15) positioned at the upper end of the fixing rod (15), the arc plate two (17) is fixedly connected to the right side of the outer surface of the fixing rod (15) positioned at the lower end, the fixing plate (18) is arranged on the outer side of the cylindrical rod (11);
fixed block (13) include cardboard (131) and round bar (132), the inside arc wall that is provided with of fixed block (13), cardboard (131) set up in arc wall inner wall bottom, round bar (132) fixed connection is at arc wall inner wall top, cardboard (131) and arc wall inner wall bottom fixed connection are run through to round bar (132) bottom, cardboard (131) sliding connection is in round bar (132) surface, cardboard (131) top fixedly connected with spring five, five cup joint at round bar (132) surface of spring.
4. The preparation method of the oil-resistant silicone rubber composition according to claim 3, wherein one end of the support leg (4) away from the mixing box (1) is fixedly connected with the bottom of the circular plate (3), the arc-shaped block (6) is fixedly connected with the outer surface of the bottom plate (5), a motor is fixedly installed inside the protection block (2), the top of the motor is fixedly connected with a rotating rod, the top of the rotating rod penetrates through the bottoms of the protection block (2) and the mixing box (1) and extends to the inside, and the top of the rotating rod is fixedly connected with the bottom of the cylindrical rod (11);
the cylindrical rod (11) is rotatably connected with the motor through a rotating rod.
5. The preparation method of the oil-resistant silicone rubber composition according to claim 4, wherein the top of the circular plate (3) is fixedly connected with four cylindrical blocks (31), a circular opening is formed in the top of each cylindrical block (31), a support rod (32) is slidably connected inside each circular opening, an arc-shaped rod (33) is fixedly connected to the top of each support rod (32), a circular fixing plate (34) is arranged on the top of the mixing box (1), and an insertion rod (35) is fixedly connected to the bottom of each circular fixing plate (34);
the outer surface of the circular fixing plate (34) is fixedly connected with the arc-shaped rod (33).
6. The preparation method of the oil-resistant silicone rubber composition according to claim 3, wherein the cylindrical rod (11) comprises a first limiting plate (111), a first connecting block (112), a second connecting block (113), a support rod (114), a third connecting block (115), a square block (116), a T-shaped rod (117), a connecting rod (118) and a push rod (119), the top of the cylindrical rod (11) is provided with a first cylindrical groove, the bottom of the first cylindrical groove is provided with a second cylindrical groove, the first limiting plates (111) are arranged on the left and right sides inside the second cylindrical groove, the first connecting block (112) is fixedly connected to the upper and lower sides of the outer surface of the first limiting plate (111), the second connecting block (113) is fixedly connected to the left and right sides of the inner wall of the second cylindrical groove, the support rod (114) is arranged at one end of the first connecting block (112) far away from the first limiting plate (111), and a square groove is arranged at the central axis inside the cylindrical rod (11), the connecting blocks III (115) are fixedly connected to the outer surface of the push rod (119) and the inside of the square groove, the square block (116) is arranged on one side, close to each other, of the two connecting blocks III (115), the T rod (117) is connected to the inside of the square block (116) in a sliding mode, the connecting rod (118) is fixedly connected to one end, far away from the push rod (119), of the square block (116), and the push rod (119) is connected to the inside of the square groove in a sliding mode;
the square block (116) is internally provided with a first spring which is sleeved on the outer surface of the T-shaped rod (117).
7. The oil-resistant silicone rubber composition and the preparation method thereof according to claim 6, wherein the top of the T-bar (117) penetrates through the square block (116) and is rotatably connected with the third connecting block (115) positioned on the outer surface of the push rod (119) through the first rotating shaft, and the connecting rod (118) is rotatably connected with the third connecting block (115) positioned inside the square groove through the second rotating shaft;
the support rod (114) is rotatably connected with the first connecting block (112) and the first connecting block (113) through a third rotating shaft and a fourth rotating shaft respectively.
8. The oil-resistant silicone rubber composition and the preparation method thereof according to claim 7, wherein a second spring is fixedly connected to a central shaft of the outer surface of the first limiting plate (111), the second spring is fixedly connected with the inner wall of the second cylindrical groove, the size and shape of the first cylindrical groove are the same as those of the inserted link (35), and the bottom of the inserted link (35) is in contact with the bottom of the inner wall of the second cylindrical groove;
the top of the push rod (119) penetrates through the square groove and extends to the outside, and the top of the push rod (119) is fixedly connected with the fixing rod (15).
9. The oil-resistant silicone rubber composition and the preparation method thereof according to claim 3, wherein the fixing plate (18) comprises a circular rod (181), a second limiting plate (182), a long rod (183), a sealing block (184), a top block (185), a short rod (186) and a fan-shaped arc block (187), a clamping groove is arranged inside the fixing plate (18), the circular rod (181) is slidably connected inside the clamping groove, the second limiting plate (182) is fixedly connected to the upper side and the lower side of the circular rod (181), the long rod (183) is fixedly connected to the upper side and the lower side of the clamping groove, openings are formed in the left side and the right side of the clamping groove, the sealing block (184) is embedded on the inner wall of the opening, the left end and the right end of the circular rod (181) penetrate through the openings and extend to the outside, the top block (185) is fixedly connected to the left end and the right end of the circular rod (181), a through opening is formed in the front surface of the top block (185), the short rod (186) is rotatably connected inside the through opening, and the sector arc block (187) is fixedly connected to the outer surface of the short rod (186);
the sector arc block (187) is rotatably connected with the top block (185) through a short rod (186).
10. The oil-resistant silicone rubber composition and the preparation method thereof according to claim 9, wherein the second limiting plate (182) is slidably connected to the outer surface of the long rod (183), the third spring is fixedly connected to the left and right sides of the second limiting plate (182), the third spring is sleeved on the outer surface of the long rod (183), and the inner surface of the sealing block (184) is in contact with the outer surface of the round rod (181).
CN202210340148.4A 2022-04-01 2022-04-01 Oil-resistant silicone rubber composition and preparation method thereof Pending CN114888991A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116021018A (en) * 2023-02-01 2023-04-28 河北亚都管道装备集团有限公司 Steel reducing elbow hot-press forming die

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116021018A (en) * 2023-02-01 2023-04-28 河北亚都管道装备集团有限公司 Steel reducing elbow hot-press forming die
CN116021018B (en) * 2023-02-01 2023-07-04 河北亚都管道装备集团有限公司 Steel reducing elbow hot-press forming die

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