CN112112911A - Automobile brake pad with high strength and low loss and preparation method thereof - Google Patents
Automobile brake pad with high strength and low loss and preparation method thereof Download PDFInfo
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- CN112112911A CN112112911A CN202010916440.7A CN202010916440A CN112112911A CN 112112911 A CN112112911 A CN 112112911A CN 202010916440 A CN202010916440 A CN 202010916440A CN 112112911 A CN112112911 A CN 112112911A
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- Prior art keywords
- brake pad
- stearic acid
- acid modified
- high strength
- low loss
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
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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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
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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
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/02—Thermal after-treatment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/78—Features relating to cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/78—Features relating to cooling
- F16D65/84—Features relating to cooling for disc brakes
- F16D65/853—Features relating to cooling for disc brakes with closed cooling system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Compositions of linings; Methods of manufacturing
- F16D69/021—Compositions of linings; Methods of manufacturing containing asbestos
- F16D69/022—Compositions of linings; Methods of manufacturing containing asbestos in the form of fibres
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/78—Features relating to cooling
- F16D2065/784—Features relating to cooling the coolant not being in direct contact with the braking surface
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/006—Materials; Production methods therefor containing fibres or particles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0023—Shaping by pressure
Abstract
The invention discloses an automobile brake pad with high strength and low loss, which comprises a main body and an attaching block, wherein the attaching block is arranged on the outer surface of the main body, a large amount of heat can be rapidly generated in the braking process of the conventional brake pad, the heat is not dissipated, the whole brake pad is easy to damage, the strength of the whole brake pad is reduced, and meanwhile, the comprehensive performance of the brake pad is poorer, the abrasion is large, and the generated noise is larger. The invention also discloses a preparation method of the automobile brake pad with high strength and low loss, which is characterized in that formula raw materials of the automobile brake pad are mixed together, and the weight percentage of each material is determined, wherein the formula raw materials comprise asbestos fibers, composite fibers, reinforcing fibers, grinding agents, lubricating agents, regulating agents and bonding agents, the reinforcing fibers are formed by compounding copper fibers, steel wool and aramid fibers, and the mass ratio of the copper fibers, the steel wool and the aramid fibers is 1:3:1, so that the automobile brake pad is high in strength, small in product abrasion, free of noise and good in comprehensive performance.
Description
Technical Field
The invention relates to the technical field of automobile brake pad manufacturing, in particular to an automobile brake pad with high strength and low loss and a preparation method thereof.
Background
The automobile brake pad is also called as automobile brake shoe, and is a friction material fixed on a brake drum or a brake disc rotating with wheels, wherein a friction lining and a friction pad bear external pressure to generate friction action so as to achieve the aim of reducing the speed of the automobile, the automobile brake pad is generally composed of a steel plate, an adhesive heat-insulating layer and a friction block, the steel plate is coated to prevent rust, the temperature distribution in the coating process is detected by an SMT-4 furnace temperature tracker in the coating process to ensure the quality, the working principle of the automobile mainly comes from friction, and the kinetic energy of the advancing vehicle is converted into the heat energy after the friction by utilizing the friction between the brake pad and the brake disc (drum) and between a tire and the ground, so that the automobile is stopped. A good and efficient braking system must provide a stable, sufficient and controllable braking force, and have good hydraulic transmission and heat dissipation capability, so as to ensure that the force applied by the driver from the brake pedal can be sufficiently and effectively transmitted to the master cylinder and the slave cylinders, and to avoid hydraulic failure and brake recession caused by high heat. Brake systems on vehicles are classified into two major categories, namely disc brakes and drum brakes, but in addition to cost advantages, drum brakes are far less efficient than disc brakes.
The existing brake pad can rapidly generate a large amount of heat in the braking process, the heat is not dissipated, the whole brake pad is easy to damage, the strength of the whole brake pad is reduced, meanwhile, the comprehensive performance of the brake pad is poor, the abrasion is large, and the generated noise is large.
Aiming at the problems, the existing device is improved, and the automobile brake pad with high strength and low loss and the preparation method thereof are provided.
Disclosure of Invention
The invention aims to provide an automobile brake pad with high strength and low loss and a preparation method thereof, which mix the formula raw materials of the automobile brake pad together to ensure that the materials are uniform, and determine the weight percentage of each material, wherein the formula raw materials comprise asbestos fibers, composite fibers, reinforcing fibers, grinding agents, lubricating agents, conditioning agents and adhesives, and the weight percentages are respectively as follows: 10. 24, 31, 38, 31, 52 and 13, the reinforcing fiber is formed by compounding copper fiber, steel wool and aramid fiber, the mass ratio of the copper fiber, the steel wool and the aramid fiber is 1:3:1, meanwhile, a heat conduction block B and a magnetic patch are arranged on the outer surface of the attaching block, the attaching block is connected with the heat conduction block A through the heat conduction block B, and the attaching block is magnetically connected with the mounting groove through the magnetic patch, so that the problem in the background technology is solved.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an automobile brake pad with high strength low-loss, including main part and laminating piece, be provided with the laminating piece on the surface of main part, the main part is including the outerconness hole, the mounting groove, interior stratum corneum and little cooling tube, the outerconness hole has been seted up on the surface of main part, the both sides of main part all are provided with the mounting groove, the inside of mounting groove is provided with heat conduction piece A, the inside of main part is provided with interior stratum corneum, the inside of mounting groove still is provided with the micro-cooling tube, be provided with heat conduction piece B and magnetic patch on the surface of laminating piece, the laminating piece is connected with heat conduction piece A through heat conduction piece B, the laminating piece is connected with.
Further, the inner layer comprises a friction layer, a bottom cushion layer, an adhesive layer and a noise-proof layer, wherein the bottom cushion layer is arranged between the friction layer and the adhesive layer, and the adhesive layer is arranged between the bottom cushion layer and the noise-proof layer.
Further, be provided with the water filling port on the surface of little cooling tube, the one end of water filling port is provided with the water injection pipe, and the one end of water injection pipe is provided with waterproof stopper, and the both ends of little cooling tube all are provided with the rotary trough, and little cooling tube is connected with the mounting groove inner wall through the rotary trough.
The invention provides another technical scheme that: the preparation method of the automobile brake pad with high strength and low loss comprises the following steps:
s01: powder mixing: mixing the raw materials of the formula of the automobile brake pad together to ensure that the materials are uniform, and simultaneously determining the weight percentage of each material;
s02: hot-press molding: and (3) performing hot-pressing molding on the powder and the steel backing through an oil press and a die to form the basic shape of the brake pad:
s03: and (3) heat treatment: putting the product into a heat treatment box for heating, removing water in the product and enabling the material to be more fused;
s04: polishing: firstly, removing inner and outer arc burrs of a brake pad completely by using a grinding machine, then grinding edges and corners of the brake pad to be flat, finally drilling a forming hole by using a pistol drill, and chamfering the forming hole by using the grinding machine after the forming hole is finished;
s05: ablation: passing the brake pad through an ablation machine to further remove residual moisture;
s06: spraying and assembling: spraying a desired color and a LOGO LOGO on the steel back of the brake pad by a spraying machine, wherein the color is generally black as a main component, arranging installation grooves on two sides of the brake pad, immediately installing a heat conduction block A and a micro cooling pipe in the installation grooves, and finally covering a joint block to finish a finished product;
s07: packaging: and (5) carrying out vacuum plastic package on the finished product.
Further, in S01, the formulation includes 5% of asbestos fiber, 10% of composite fiber, 15% of reinforcing fiber, 28% of abrasive, 15% of lubricant, 15% of regulator, and 12% of binder.
Further, the composite fiber comprises stearic acid modified fine-particle acicular wollastonite and stearic acid modified coarse-particle fibrous sepiolite, the mass fraction ratio of the stearic acid modified fine-particle acicular wollastonite to the stearic acid modified coarse-particle fibrous sepiolite is 1:6, the particle size of the stearic acid modified fine-particle acicular wollastonite is 0.017mm, and the particle size of the stearic acid modified coarse-particle fibrous sepiolite is 0.27mm, or the composite fiber comprises stearic acid modified coarse-particle acicular wollastonite and stearic acid modified fine-particle fibrous sepiolite, the mass fraction ratio is 3:4, the particle size of the stearic acid modified coarse-particle acicular wollastonite is 0.043, and the particle size of the stearic acid modified fine-particle fibrous sepiolite is 0.043.
Further, the reinforcing fiber is formed by compounding copper fiber, steel wool and aramid fiber, and the mass ratio of the copper fiber to the steel wool to the aramid fiber is 1:3: 1.
Further, the grinding agent comprises one or a combination of more of zirconium silicate, iron black and friction powder, the regulator is scaly potassium titanate or a composition of scaly potassium titanate and barium sulfate, and the adhesive is butyronitrile modified phenolic resin.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides an automobile brake pad with high strength and low loss and a preparation method thereof, which mixes the formula raw materials of the automobile brake pad together to ensure the materials to be uniform, and determines the weight percentage of each material, wherein the formula raw materials comprise 5 percent of asbestos fiber, 10 percent of composite fiber, 15 percent of reinforcing fiber, 28 percent of grinding agent, 15 percent of lubricating agent, 15 percent of regulator and 12 percent of adhesive, the composite fiber comprises stearic acid modified fine-grain acicular wollastonite and stearic acid modified coarse-grain fibrous sepiolite, the mass fraction ratio of the stearic acid modified fine-grain acicular wollastonite to the stearic acid modified coarse-grain fibrous sepiolite is 1:6, the granularity of the stearic acid modified fine-grain acicular wollastonite is 0.017mm, the granularity of the stearic acid modified coarse-grain fibrous sepiolite is 0.27mm, or the composite fiber comprises the stearic acid modified coarse-grain acicular wollastonite and the stearic acid modified fine-grain fibrous sepiolite, the mass fraction ratio is 3:4, the particle size of stearic acid modified coarse-grain needle-shaped wollastonite is 0.043, the particle size of stearic acid modified fine-grain fibrous sepiolite is 0.043, the reinforcing fiber is compounded by copper fiber, steel wool and aramid fiber, the mass ratio of the copper fiber, the steel wool and the aramid fiber is 1:3:1, the grinding agent comprises one or a combination of zirconium silicate, iron black and friction powder, the regulator is flaky potassium titanate or a composition of the flaky potassium titanate and barium sulfate, and the adhesive is butyronitrile modified phenolic resin.
2. The invention provides an automobile brake pad with high strength and low loss and a preparation method thereof.
Drawings
FIG. 1 is a schematic view of the overall structure of an automobile brake pad with high strength and low loss and a method for manufacturing the same according to the present invention;
FIG. 2 is an overall front view of the automobile brake pad with high strength and low loss and the method for manufacturing the same according to the present invention;
FIG. 3 is an overall side view of the high strength low loss automobile brake pad of the present invention and the method of making the same
FIG. 4 is a schematic view of an overall split structure of the high-strength low-loss automobile brake pad and the method for manufacturing the same according to the present invention;
FIG. 5 is a schematic diagram of a structure of a high-strength low-loss automobile brake pad and a method for manufacturing the same according to the present invention;
FIG. 6 is a flow chart illustrating the preparation of the high strength low loss automobile brake pad and the method for preparing the same according to the present invention;
FIG. 7 is a polishing flow chart of the automobile brake pad with high strength and low loss and the method for manufacturing the same according to the present invention.
In the figure: 1. a main body; 11. an outer connecting hole; 12. mounting grooves; 121. a heat conducting block A; 13. an inner layer; 131. a friction layer; 132. a bottom cushion layer; 133. an adhesive layer; 134. a noise-resistant layer; 14. a micro-cooling tube; 141. a water injection port; 142. a water injection pipe; 143. a waterproof plug; 144. rotating the groove; 2. fitting blocks; 21. a heat conducting block B; 22. and a magnetic patch.
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.
Example one
Referring to fig. 1-5, an automobile brake pad with high strength and low loss comprises a main body 1 and a bonding block 2, wherein the bonding block 2 is arranged on the outer surface of the main body 1, the main body 1 comprises an outer connection hole 11, a mounting groove 12, an inner layer 13 and a micro cooling pipe 14, the outer connection hole 11 is arranged on the outer surface of the main body 1, the mounting groove 12 is arranged on both sides of the main body 1, a heat conduction block a121 is arranged inside the mounting groove 12, the inner layer 13 is arranged inside the main body 1, the micro cooling pipe 14 is also arranged inside the mounting groove 12, a heat conduction block B21 and a magnetic patch 22 are arranged on the outer surface of the bonding block 2, the bonding block 2 is connected with the heat conduction block a121 through a heat conduction block B21, the bonding block 2 is magnetically connected with the mounting groove 12 through the magnetic patch 22, the inner layer 13 comprises a friction layer 131, a bottom cushion layer 132, an adhesive layer 133 and a noise-proof layer 134, the bottom cushion layer 132, the adhesive layer 133 is disposed between the bottom pad layer 132 and the noise-proof layer 134, a water injection port 141 is disposed on the outer surface of the micro cooling pipe 14, a water injection pipe 142 is disposed at one end of the water injection port 141, a waterproof plug 143 is disposed at one end of the water injection pipe 142, both ends of the micro cooling pipe 14 are provided with rotary grooves 144, and the micro cooling pipe 14 is connected with the inner wall of the mounting groove 12 through the rotary grooves 144.
Referring to fig. 6 and 7, in order to better explain the above examples, the present invention also provides an embodiment of a method for preparing an automobile brake pad with high strength and low loss, comprising the steps of:
the method comprises the following steps: powder mixing: mixing the raw materials of the formula of the automobile brake pad together to ensure that the materials are uniform, and simultaneously determining the weight percentage of each material;
step two: hot-press molding: and (3) performing hot-pressing molding on the powder and the steel backing through an oil press and a die to form the basic shape of the brake pad:
step three: and (3) heat treatment: putting the product into a heat treatment box for heating, removing water in the product and enabling the material to be more fused;
step four: polishing: firstly, removing inner and outer arc burrs of a brake pad completely by using a grinding machine, then grinding edges and corners of the brake pad to be flat, finally drilling a forming hole by using a pistol drill, and chamfering the forming hole by using the grinding machine after the forming hole is finished;
step five: ablation: passing the brake pad through an ablation machine to further remove residual moisture;
step six: spraying and assembling: spraying a desired color and a LOGO LOGO on the steel back of the brake pad by a spraying machine, wherein the color is generally black as a main part, forming mounting grooves 12 on two sides of the brake pad, immediately mounting a heat-conducting block A121 and a micro cooling pipe 14 in the mounting grooves 12, and finally covering a fitting block 2 to finish a finished product;
step seven: packaging: and (5) carrying out vacuum plastic package on the finished product.
Referring to fig. 6, in S01, the formulation raw materials include 5% of asbestos fiber, 10% of composite fiber, 15% of reinforcing fiber, 28% of grinding agent, 15% of lubricant, 15% of regulator and 12% of adhesive, the composite fiber includes stearic acid modified fine-particle acicular wollastonite and stearic acid modified coarse-particle fibrous sepiolite, the mass fraction ratio of the stearic acid modified fine-particle acicular wollastonite to the stearic acid modified coarse-particle fibrous sepiolite is 1:6, the particle size of the stearic acid modified fine-particle acicular wollastonite is 0.017mm, the particle size of the stearic acid modified coarse-particle fibrous sepiolite is 0.27mm, the reinforcing fiber is formed by compounding copper fiber, steel wool and aramid fiber, the mass ratio of the copper fiber, the steel wool and the aramid fiber is 1:3:1, the grinding agent is a composition of iron black and friction powder, the regulator is potassium lepidolite-shaped titanate, the adhesive is butyronitrile modified phenolic resin, the prepared automobile brake pad has high strength, optimal comprehensive performance, and excellent high-temperature braking performance and braking comfort.
Example two
Referring to fig. 1-5, an automobile brake pad with high strength and low loss comprises a main body 1 and a bonding block 2, wherein the bonding block 2 is arranged on the outer surface of the main body 1, the main body 1 comprises an outer connection hole 11, a mounting groove 12, an inner layer 13 and a micro cooling pipe 14, the outer connection hole 11 is arranged on the outer surface of the main body 1, the mounting groove 12 is arranged on both sides of the main body 1, a heat conduction block a121 is arranged inside the mounting groove 12, the inner layer 13 is arranged inside the main body 1, the micro cooling pipe 14 is also arranged inside the mounting groove 12, a heat conduction block B21 and a magnetic patch 22 are arranged on the outer surface of the bonding block 2, the bonding block 2 is connected with the heat conduction block a121 through a heat conduction block B21, the bonding block 2 is magnetically connected with the mounting groove 12 through the magnetic patch 22, the inner layer 13 comprises a friction layer 131, a bottom cushion layer 132, an adhesive layer 133 and a noise-proof layer 134, the bottom cushion layer 132, the adhesive layer 133 is disposed between the bottom pad layer 132 and the noise-proof layer 134, a water injection port 141 is disposed on the outer surface of the micro cooling pipe 14, a water injection pipe 142 is disposed at one end of the water injection port 141, a waterproof plug 143 is disposed at one end of the water injection pipe 142, both ends of the micro cooling pipe 14 are provided with rotary grooves 144, and the micro cooling pipe 14 is connected with the inner wall of the mounting groove 12 through the rotary grooves 144.
Referring to fig. 6 and 7, in order to better explain the above examples, the present invention also provides an embodiment of a method for preparing an automobile brake pad with high strength and low loss, comprising the steps of:
the method comprises the following steps: powder mixing: mixing the raw materials of the formula of the automobile brake pad together to ensure that the materials are uniform, and simultaneously determining the weight percentage of each material;
step two: hot-press molding: and (3) performing hot-pressing molding on the powder and the steel backing through an oil press and a die to form the basic shape of the brake pad:
step three: and (3) heat treatment: putting the product into a heat treatment box for heating, removing water in the product and enabling the material to be more fused;
step four: polishing: firstly, removing inner and outer arc burrs of a brake pad completely by using a grinding machine, then grinding edges and corners of the brake pad to be flat, finally drilling a forming hole by using a pistol drill, and chamfering the forming hole by using the grinding machine after the forming hole is finished;
step five: ablation: passing the brake pad through an ablation machine to further remove residual moisture;
step six: spraying and assembling: spraying a desired color and a LOGO LOGO on the steel back of the brake pad by a spraying machine, wherein the color is generally black as a main part, forming mounting grooves 12 on two sides of the brake pad, immediately mounting a heat-conducting block A121 and a micro cooling pipe 14 in the mounting grooves 12, and finally covering a fitting block 2 to finish a finished product;
step seven: packaging: and (5) carrying out vacuum plastic package on the finished product.
Referring to fig. 6, in S01, the formula raw materials include 5% of asbestos fiber, 10% of composite fiber, 15% of reinforcing fiber, 28% of grinding agent, 15% of lubricant, 15% of regulator and 12% of binder, the composite fiber includes stearic acid modified coarse-grain needle-shaped wollastonite and stearic acid modified fine-grain fibrous sepiolite, the mass fraction ratio is 3:4, the particle size of the stearic acid modified coarse-grain needle-shaped wollastonite is 0.043, the particle size of the stearic acid modified fine-grain fibrous sepiolite is 0.043, the reinforcing fiber is formed by compounding copper fiber, steel wool and aramid fiber, the mass ratio of the copper fiber, the steel wool and the aramid fiber is 1:3:1, the grinding agent is a composition of zirconium silicate and friction powder, the regulator is a composition of flaky potassium titanate and barium sulfate, the binder is a modified phenolic resin, the prepared automobile brake pad is comfortable to brake, has no noise and small product abrasion, the service life is longer.
In summary, the following steps: the automobile brake pad with high strength and low loss and the preparation method thereof comprise a main body 1 and an attaching block 2, wherein the attaching block 2 is arranged on the outer surface of the main body 1, the main body 1 comprises an outer connecting hole 11, a mounting groove 12 and an inner mass layer 13, the outer connecting hole 11 is arranged on the outer surface of the main body 1, the mounting groove 12 is arranged on the outer surface of the main body 1, a heat conducting block A121 is arranged inside the mounting groove 12, the inner mass layer 13 is arranged inside the main body 1, a heat conducting block B21 and a magnetic patch 22 are arranged on the outer surface of the attaching block 2, the attaching block 2 is connected with the heat conducting block A121 through the heat conducting block B21, the attaching block 2 is magnetically connected with the mounting groove 12 through the magnetic patch 22, when the whole is rubbed, heat can flow into the heat conducting block A121 from the heat conducting block B21, and then is dissipated into the outside air from the heat conducting block A121, the phenomenon that the whole heat, mixing the raw materials of the automobile brake pad formula together to make the materials uniform, and determining the weight percentage of each material, wherein the raw materials of the formula comprise 5% of asbestos fiber, 10% of composite fiber, 15% of reinforcing fiber, 28% of grinding agent, 15% of lubricating agent, 15% of regulator and 12% of adhesive, the composite fiber comprises stearic acid modified fine-grain needle-shaped wollastonite and stearic acid modified coarse-grain fibrous sepiolite, the mass fraction ratio of the stearic acid modified fine-grain needle-shaped wollastonite to the stearic acid modified coarse-grain fibrous sepiolite is 1:6, the particle size of the stearic acid modified fine-grain needle-shaped wollastonite is 0.017mm, the particle size of the stearic acid modified coarse-grain fibrous sepiolite is 0.27mm, or the composite fiber comprises stearic acid modified coarse-grain needle-shaped wollastonite and stearic acid modified fine-grain fibrous sepiolite, the mass fraction ratio is 3:4, and the particle size of the stearic acid, the particle size of the stearic acid modified fine-grain fibrous sepiolite is 0.043, the reinforcing fiber is formed by compounding copper fiber, steel wool and aramid fiber, the mass ratio of the copper fiber, the steel wool and the aramid fiber is 1:3:1, the grinding agent comprises one or a combination of more of zirconium silicate, iron black and friction powder, the regulator is flaky potassium titanate or a composition of flaky potassium titanate and barium sulfate, and the adhesive is butyronitrile modified phenolic resin.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (8)
1. The utility model provides an automobile brake pad with low loss of high strength, includes main part (1) and laminating piece (2), is provided with laminating piece (2) on the surface of main part (1), its characterized in that: the main body (1) comprises an outer connecting hole (11), a mounting groove (12), an inner mass layer (13) and a micro cooling pipe (14), the outer connecting hole (11) is formed in the outer surface of the main body (1), the mounting grooves (12) are formed in the two sides of the main body (1), a heat conducting block A (121) is arranged inside the mounting groove (12), the inner mass layer (13) is arranged inside the main body (1), and the micro cooling pipe (14) is further arranged inside the mounting groove (12);
the outer surface of the attaching block (2) is provided with a heat conducting block B (21) and a magnetic patch (22), the attaching block (2) is connected with a heat conducting block A (121) through the heat conducting block B (21), and the attaching block (2) is magnetically connected with the mounting groove (12) through the magnetic patch (22).
2. An automotive brake pad having high strength and low loss as claimed in claim 1, wherein: the inner layer (13) comprises a friction layer (131), a bottom cushion layer (132), an adhesive layer (133) and a noise-proof layer (134), wherein the bottom cushion layer (132) is arranged between the friction layer (131) and the adhesive layer (133), and the adhesive layer (133) is arranged between the bottom cushion layer (132) and the noise-proof layer (134).
3. An automotive brake pad having high strength and low loss as claimed in claim 1, wherein: a water injection port (141) is formed in the outer surface of the micro cooling pipe (14), a water injection pipe (142) is arranged at one end of the water injection port (141), a waterproof plug (143) is arranged at one end of the water injection pipe (142), rotary grooves (144) are formed in the two ends of the micro cooling pipe (14), and the micro cooling pipe (14) is connected with the inner wall of the mounting groove (12) through the rotary grooves (144).
4. A method for preparing an automobile brake pad with high strength and low loss according to any one of claims 1 to 3, wherein: the method comprises the following steps:
s01: powder mixing: mixing the raw materials of the formula of the automobile brake pad together to ensure that the materials are uniform, and simultaneously determining the weight percentage of each material;
s02: hot-press molding: and (3) performing hot-pressing molding on the powder and the steel backing through an oil press and a die to form the basic shape of the brake pad:
s03: and (3) heat treatment: putting the product into a heat treatment box for heating, removing water in the product and enabling the material to be more fused;
s04: polishing: firstly, removing inner and outer arc burrs of a brake pad completely by using a grinding machine, then grinding edges and corners of the brake pad to be flat, finally drilling a forming hole by using a pistol drill, and chamfering the forming hole by using the grinding machine after the forming hole is finished;
s05: ablation: passing the brake pad through an ablation machine to further remove residual moisture;
s06: spraying and assembling: spraying a desired color and a LOGO LOGO (generally black) on the steel back of the brake pad by a spraying machine, forming mounting grooves (12) on two sides of the brake pad, immediately mounting a heat-conducting block A (121) and a micro cooling pipe (14) in the mounting grooves (12), and finally covering a laminating block (2) to finish a finished product;
s07: packaging: and (5) carrying out vacuum plastic package on the finished product.
5. The method for preparing an automobile brake pad with high strength and low loss as claimed in claim 4, wherein the method comprises the following steps: in S01, the formulation includes 5% asbestos fiber, 10% composite fiber, 15% reinforcing fiber, 28% abrasive, 15% lubricant, 15% regulator, and 12% binder.
6. The method for preparing an automobile brake pad with high strength and low loss as claimed in claim 5, wherein the method comprises the following steps: the composite fiber comprises stearic acid modified fine-particle needle-shaped wollastonite and stearic acid modified coarse-particle fibrous sepiolite, the mass fraction ratio of the stearic acid modified fine-particle needle-shaped wollastonite to the stearic acid modified coarse-particle fibrous sepiolite is 1:6, the particle size of the stearic acid modified fine-particle needle-shaped wollastonite is 0.017mm, and the particle size of the stearic acid modified coarse-particle fibrous sepiolite is 0.27mm, or the composite fiber comprises stearic acid modified coarse-particle needle-shaped wollastonite and stearic acid modified fine-particle fibrous sepiolite, the mass fraction ratio is 3:4, the particle size of the stearic acid modified needle-shaped coarse-particle wollastonite is 0.043, and the particle size of the stearic acid modified fine-particle fibrous sepiolite is 0.043.
7. The method for preparing an automobile brake pad with high strength and low loss as claimed in claim 5, wherein the method comprises the following steps: the reinforcing fiber is formed by compounding copper fiber, steel wool and aramid fiber, and the mass ratio of the copper fiber to the steel wool to the aramid fiber is 1:3: 1.
8. The method for preparing an automobile brake pad with high strength and low loss as claimed in claim 5, wherein the method comprises the following steps: the grinding agent comprises one or more of zirconium silicate, iron black and friction powder, the regulator is scaly potassium titanate or a composition of scaly potassium titanate and barium sulfate, and the adhesive is butyronitrile modified phenolic resin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010916440.7A CN112112911A (en) | 2020-09-03 | 2020-09-03 | Automobile brake pad with high strength and low loss and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010916440.7A CN112112911A (en) | 2020-09-03 | 2020-09-03 | Automobile brake pad with high strength and low loss and preparation method thereof |
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| CN112112911A true CN112112911A (en) | 2020-12-22 |
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| CN202010916440.7A Pending CN112112911A (en) | 2020-09-03 | 2020-09-03 | Automobile brake pad with high strength and low loss and preparation method thereof |
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Application publication date: 20201222 |