CN113980304A - Formula preparation process and device for enhanced environment-friendly running-in powder friction material and friction lining - Google Patents
Formula preparation process and device for enhanced environment-friendly running-in powder friction material and friction lining Download PDFInfo
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- CN113980304A CN113980304A CN202111253623.6A CN202111253623A CN113980304A CN 113980304 A CN113980304 A CN 113980304A CN 202111253623 A CN202111253623 A CN 202111253623A CN 113980304 A CN113980304 A CN 113980304A
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- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/047—Reinforcing macromolecular compounds with loose or coherent fibrous material with mixed fibrous material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
- B07B1/343—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
- B30B11/04—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space co-operating with a fixed mould
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- C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2361/04—Condensation polymers of aldehydes or ketones with phenols only
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- C08J2477/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
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Abstract
The invention relates to the technical field of automobile brake pads, in particular to a preparation process and a preparation device of formula of an enhanced environment-friendly running-in powder friction material and a friction lining, which comprises a barrel body, wherein an opening and closing mechanism is arranged on the barrel body, a stirring mechanism is arranged in the barrel body, a scraping mechanism is arranged on the stirring mechanism, auxiliary mechanisms are arranged on the barrel body and the stirring mechanism, a decomposing mechanism is arranged in the barrel body, and an installing mechanism is arranged on the barrel body; through the matching of the stirring mechanism and the auxiliary mechanism, the single material is conveniently stirred uniformly before mixing, the condition that material particles with larger viscosity or stronger fiber are agglomerated is avoided, the probability of blockage is reduced, and the subsequent batching process is ensured; the scraping mechanism is arranged on the stirring mechanism, so that material particles adhered to the inner wall of the barrel body can be conveniently scraped, and the probability of material blockage is reduced; through the decomposition mechanism, the large-particle materials which are adhered are conveniently crushed and decomposed before material mixing.
Description
Technical Field
The invention relates to the technical field of automobile brake pads, in particular to a formula preparation process and a formula preparation device for an enhanced environment-friendly running-in powder friction material and a friction lining.
Background
An automobile brake pad, also called an automobile brake lining, refers to a friction material fixed to a brake drum or disc rotating with a wheel, in which a friction lining and a friction pad are subjected to an external pressure when in use. The friction lining and the friction pad are made of friction materials and adhesives and are extruded on a brake disc or a brake drum to generate friction when braking. The forming materials mainly comprise rubber materials, resin materials, sulfide materials, graphite materials, coke materials, synthetic fiber materials, metal materials and the like, and the materials are required to be uniformly mixed during specific preparation.
However, in the actual processing process of the conventional friction material and friction lining preparation device, although the raw materials of each component are mixed and stirred during mixing, before mixing, some particles with high viscosity or particles with high fiber property, such as rubber elastic particles, steel wool fiber particles and the like, are easy to agglomerate during stacking, so that blockage is easy to occur, and the subsequent batching process is influenced; meanwhile, the particles can be continuously attached to the inner wall of the storage device in a long-time processing process, and when the attached materials are more, the storage space is affected, and further blockage is easily caused.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a formula preparation process and a device for an enhanced environment-friendly running-in powder friction material and a friction lining.
The technical scheme adopted by the invention for solving the technical problems is as follows: the preparation process of the formula of the enhanced environment-friendly running-in powder friction material and friction lining comprises the following raw materials: 6kg of ceramic fiber, 18kg of steel wool fiber, 7kg of mineral fiber, 9kg of phenolic resin, 4kg of rubber elastic particles, 3kg of graphite, 9kg of light calcium oxide, 2kg of aramid pulp, 2kg of titanate, 9kg of calcium carbonate, 6kg of calcined alumina, 8kg of red copper fiber, 4kg of red copper powder, 10kg of calcined petroleum coke, 3kg of zircon powder and 20g of environment-friendly running-in powder;
the preparation process comprises the following steps:
s1, respectively taking the following raw materials in proportion: simultaneously adding and mixing ceramic fiber, steel wool fiber, mineral fiber, phenolic resin and rubber elastic particles for 3min to form a reinforced environment-friendly running-in powder type I friction material;
s2, respectively taking the following raw materials in proportion: simultaneously adding graphite, light calcium oxide, aramid pulp, titanate and calcium carbonate and mixing for 3min to form a reinforced environment-friendly running-in powder II type friction material;
s3, respectively taking the following raw materials in proportion: calcining aluminum oxide, red copper fiber, red copper powder, calcined petroleum coke, zircon powder and environment-friendly running-in powder, and simultaneously adding and mixing for 4min to form a reinforced environment-friendly running-in powder III type friction material;
s4, adding and mixing the reinforced environment-friendly running-in powder type I friction material, the reinforced environment-friendly running-in powder type II friction material and the reinforced environment-friendly running-in powder type III friction material for 8min to obtain a reinforced environment-friendly running-in powder synthetic friction material;
s5, taking the special back plate for the brake pad to perform shot blasting and oil removal, spraying back plate glue on one side of the back plate, and airing or drying;
s6, installing the brake pad mould into a hydraulic press, and setting technical parameters such as mould temperature, pressing time, pressing pressure, air bleeding height during pressing and the like according to the product pressing process;
s7, when the temperature of a pressing mold reaches 160 +/-10%, putting the reinforced environment-friendly running-in powder friction material into the mold according to the required weight of the product, putting the surface, sprayed with the back plate glue, of the back plate on the mold facing the reinforced environment-friendly running-in powder synthetic friction material, and pressing for 300S under the condition that the pressing pressure is 18MPa to obtain a formed semi-product;
s8, heating the molded semi-finished product obtained by pressing in the step 7 to 210 ℃, and curing for 12h to obtain the cured semi-finished product of the friction lining.
The preparation device comprises a barrel body, wherein an opening and closing mechanism is arranged on the barrel body, a stirring mechanism is arranged in the barrel body, a scraping mechanism is arranged on the stirring mechanism, auxiliary mechanisms are arranged on the barrel body and the stirring mechanism, a decomposing mechanism is arranged in the barrel body, and an installing mechanism is arranged on the barrel body;
the stirring mechanism comprises connecting rods, two connecting rods are fixedly connected in the barrel body, an arranging block is fixedly connected between the two connecting rods, a motor is arranged in the arranging block, a rotating rod is connected to the output end of the motor in a sliding manner, a first loop bar and a second loop bar are fixedly connected to the rotating rod, a sleeve is respectively arranged on the first loop bar and the second loop bar in a sliding manner, a stirring paddle is fixedly connected to the sleeve, the arranging block is integrally conical, the first loop bar and the second loop bar are respectively provided with two stirring paddles, and the whole stirring paddles are in an antenna shape;
the utility model discloses a storage battery box, including the bucket body, the bucket body is equipped with the fixed frame of fixedly connected with, the bucket body is equipped with the fixed frame of fixed frame, the fixed frame, sliding connection has the lug and receives the piece in the fixed frame, lug fixed connection is in the motor, receive fixedly connected with second spring on the piece, the second spring twines in the bull stick, just receive the piece and contradict in the bull stick, the second spring is contradicted in fixed frame, two dead levers of fixedly connected with on the bucket body, two fixedly connected with settles the frame between the dead lever, bull stick sliding connection is inside settling the frame, sliding connection has the gag lever post on the bull stick, the winding has the third spring on the gag lever post, the third spring is contradicted in the bull stick and settles the frame.
Specifically, the mechanism that opens and shuts includes the connecting frame, fixedly connected with connecting frame on the staving, the block has the closing cap in the connecting frame, two handrails of fixedly connected with on the closing cap.
Specifically, strike off the mechanism and include first spring, it has a first spring to twine respectively on first loop bar and the second loop bar, one of them first spring fixed connection is in sleeve and first loop bar, another first spring fixed connection is in sleeve and second loop bar, fixedly connected with scraper blade on the sleeve.
Specifically, the decomposition mechanism is including decomposing the roller, fixedly connected with decomposes the roller on the bull stick, sliding connection has the screen cloth in the staving, decompose fixedly connected with on the roller and support the pole, support the pole and contradict in the screen cloth, fixedly connected with fourth spring on the screen cloth, fourth spring fixed connection is in the staving, fixedly connected with slide bar on the screen cloth, slide bar sliding connection is inside the staving, the fourth spring twines in the slide bar.
Specifically, installation mechanism includes first flange, the first flange of fixedly connected with on the staving, the staving bottom is equipped with transports the storehouse, transport fixedly connected with second flange on the storehouse, be equipped with a plurality of bolts on the first flange, bolt threaded connection is in the second flange.
The invention has the beneficial effects that:
(1) according to the formula preparation process and device for the enhanced environment-friendly running-in powder friction material and the friction lining, when the formula preparation process and device are used, the stirring mechanism is arranged in the barrel body, the auxiliary mechanism is arranged on the barrel body and the stirring mechanism, and the stirring mechanism is matched with the auxiliary mechanism, so that a uniform stirring effect is conveniently realized on a single material before material mixing, the phenomenon that some material particles with higher viscosity or stronger fiber are agglomerated is avoided, the blocking probability is reduced, and the subsequent material mixing process is ensured; namely: in actual operation, a user can switch on the motor, the motor rotates to drive the rotating rod to rotate, the rotating rod rotates to drive the first loop bar and the second loop bar to rotate, the first loop bar and the second loop bar rotate to drive the sleeve to rotate, the sleeve rotates to drive the stirring paddle to rotate, single materials are conveniently stirred before mixing, further, the rotating rod rotates along with the rotation of the motor to drive the lug to rotate, the pressed block is continuously extruded and abutted along with the rotation of the lug, the pressed block is pressed to move, the pressed block moves to push the rotating rod to move, the rotating rod moves in the mounting frame along with the movement of the rotating rod, the second spring and the third spring are simultaneously compressed, the operation is continuously repeated, the rotating rod continuously moves up and down, the stirring paddle is driven to move up and down, the stirring effect of the stirring paddle is further improved, and the single materials are conveniently stirred uniformly before mixing, the condition that some material particles with larger viscosity or stronger fiber property are agglomerated is avoided, so that the blocking probability is reduced, and the subsequent batching process is ensured.
(2) According to the preparation process and the preparation device for the formula of the enhanced environment-friendly running-in powder friction material and the friction lining, when the preparation process and the preparation device are used, the scraping mechanism is arranged on the stirring mechanism, and material particles attached to the inner wall of the barrel body can be conveniently scraped through the scraping mechanism, so that the storage space in the barrel body is prevented from being occupied by the material particles, and the probability of material blockage is reduced; namely: along with the rotation of first loop bar and second loop bar, can drive sleeve and scraper blade and rotate together, and when the rotational speed reached the certain degree, under the effect of centrifugal force, first spring will produce the shrink, and the sleeve also can produce and remove, contradicts in staving inner wall until driving the scraper blade to make the scraper blade convenient strike off the material granule that is stained with and attaches to staving inner wall, avoid crowding the storage space to staving inside and occupy, reduce the probability that the material blockked up.
(3) According to the formula preparation process and device for the enhanced environment-friendly running-in powder friction material and the friction lining, when the formula preparation process and device are used, the decomposition mechanism is arranged inside the barrel body, and the decomposition mechanism is used, so that large-particle materials which are bonded can be conveniently crushed and decomposed before material mixing, the blocking probability is reduced, and the subsequent material mixing process is ensured; during the actual operation, after the material gets into the staving is inside, the screen cloth can play the effect of sieving to the material, screen out some bonded large granule materials, it is further, the bull stick rotates and drives the decomposition roller and rotates, the convenience is broken to these bonded large granule materials and is decomposed, and simultaneously, along with reciprocating of bull stick, also can drive the decomposition roller and reciprocate together, then the decomposition roller removes and drives and supports the pole and remove, support the pole and contradict the extrusion to the screen cloth, make the screen cloth produce and remove, the fourth spring is compressed simultaneously, constantly repeat above-mentioned process, will make the screen cloth shake, avoid it to produce the jam, thereby further make things convenient for carrying out broken decomposition to some bonded large granule materials before the compounding, make the probability that reduces the jam, and guarantee subsequent batching process.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic overall configuration diagram of an apparatus for preparing an enhanced green running-in powder friction material, friction lining formulation according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a connection structure of the barrel, the stirring mechanism, the scraping mechanism and the auxiliary mechanism according to the present invention;
FIG. 3 is a schematic view of the connection structure of the motor and the rotary rod of the present invention;
FIG. 4 is an enlarged view of the part A shown in FIG. 2;
FIG. 5 is an enlarged view of the structure of the portion B shown in FIG. 2;
fig. 6 is an enlarged schematic view of the structure of the portion C shown in fig. 2.
In the figure: 1. a barrel body; 2. an opening and closing mechanism; 201. a connecting frame; 202. sealing the cover; 203. a handrail; 3. a stirring mechanism; 301. a connecting rod; 302. a mounting block; 303. a motor; 304. a rotating rod; 305. a first loop bar; 306. a second loop bar; 307. a sleeve; 308. a stirring paddle; 4. a scraping mechanism; 401. a first spring; 402. a squeegee; 5. an auxiliary mechanism; 501. a fixing frame; 502. a bump; 503. a pressed block; 504. a second spring; 505. a mounting frame; 506. fixing the rod; 507. a limiting rod; 508. a third spring; 6. a disassembly mechanism; 601. a decomposition roller; 602. screening a screen; 603. a support rod; 604. a fourth spring; 605. a slide bar; 7. an installation mechanism; 701. a first flange; 702. a second flange; 703. a bolt; 704. and (6) a transfer bin.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in figures 1-6, the preparation process of the formula of the enhanced environment-friendly running-in powder friction material and friction lining comprises the following raw materials: 6kg of ceramic fiber, 18kg of steel wool fiber, 7kg of mineral fiber, 9kg of phenolic resin, 4kg of rubber elastic particles, 3kg of graphite, 9kg of light calcium oxide, 2kg of aramid pulp, 2kg of titanate, 9kg of calcium carbonate, 6kg of calcined alumina, 8kg of red copper fiber, 4kg of red copper powder, 10kg of calcined petroleum coke, 3kg of zircon powder and 20g of environment-friendly running-in powder;
the preparation process comprises the following steps:
s1, respectively taking the following raw materials in proportion: simultaneously adding and mixing ceramic fiber, steel wool fiber, mineral fiber, phenolic resin and rubber elastic particles for 3min to form a reinforced environment-friendly running-in powder type I friction material;
s2, respectively taking the following raw materials in proportion: simultaneously adding graphite, light calcium oxide, aramid pulp, titanate and calcium carbonate and mixing for 3min to form a reinforced environment-friendly running-in powder II type friction material;
s3, respectively taking the following raw materials in proportion: calcining aluminum oxide, red copper fiber, red copper powder, calcined petroleum coke, zircon powder and environment-friendly running-in powder, and simultaneously adding and mixing for 4min to form a reinforced environment-friendly running-in powder III type friction material;
s4, adding and mixing the reinforced environment-friendly running-in powder type I friction material, the reinforced environment-friendly running-in powder type II friction material and the reinforced environment-friendly running-in powder type III friction material for 8min to obtain a reinforced environment-friendly running-in powder synthetic friction material;
s5, taking the special back plate for the brake pad to perform shot blasting and oil removal, spraying back plate glue on one side of the back plate, and airing or drying;
s6, installing the brake pad mould into a hydraulic press, and setting technical parameters such as mould temperature, pressing time, pressing pressure, air bleeding height during pressing and the like according to the product pressing process;
s7, when the temperature of a pressing mold reaches 160 +/-10%, putting the reinforced environment-friendly running-in powder friction material into the mold according to the required weight of the product, putting the surface, sprayed with the back plate glue, of the back plate on the mold facing the reinforced environment-friendly running-in powder synthetic friction material, and pressing for 300S under the condition that the pressing pressure is 18MPa to obtain a formed semi-product;
s8, heating the molded semi-finished product obtained by pressing in the step 7 to 210 ℃, and curing for 12h to obtain the cured semi-finished product of the friction lining.
The preparation device of the formula of the enhanced environment-friendly running-in powder friction material and friction lining comprises a barrel body 1, wherein an opening and closing mechanism 2 is arranged on the barrel body 1, a stirring mechanism 3 is arranged in the barrel body 1, a scraping mechanism 4 is arranged on the stirring mechanism 3, auxiliary mechanisms 5 are arranged on the barrel body 1 and the stirring mechanism 3, a decomposition mechanism 6 is arranged in the barrel body 1, and an installation mechanism 7 is arranged on the barrel body 1;
the stirring mechanism 3 comprises connecting rods 301, the barrel body 1 is fixedly connected with the two connecting rods 301, a mounting block 302 is fixedly connected between the two connecting rods 301, a motor 303 is arranged in the mounting block 302, the output end of the motor 303 is slidably connected with a rotating rod 304, the rotating rod 304 is fixedly connected with a first sleeve rod 305 and a second sleeve rod 306, the first sleeve rod 305 and the second sleeve rod 306 are respectively slidably provided with a sleeve 307, the sleeve 307 is fixedly connected with a stirring paddle 308, the mounting block 302 is integrally conical, the first sleeve rod 305 and the second sleeve rod 306 are respectively provided with two stirring paddles 308, and the whole stirring paddle 308 is in an antenna shape;
the auxiliary mechanism 5 comprises a fixed frame 501, the fixed frame 501 is fixedly connected to the placing block 302, the fixed frame 501 is slidably connected to a convex block 502 and a pressed block 503 in the fixed frame 501, the convex block 502 is fixedly connected to the motor 303, the pressed block 503 is fixedly connected to a second spring 504, the second spring 504 is wound on the rotating rod 304, the pressed block 503 is abutted against the rotating rod 304, the second spring 504 is abutted against the fixed frame 501, the barrel body 1 is fixedly connected with two fixing rods 506, the placing frame 505 is fixedly connected between the two fixing rods 506, the rotating rod 304 is slidably connected to the inside of the placing frame 505, the rotating rod 304 is slidably connected with a limiting rod 507, a third spring 508 is wound on the limiting rod 507, and the third spring 508 is abutted against the rotating rod 304 and the placing frame 505; when the stirring device is used, the stirring mechanism 3 is arranged in the barrel body 1, the auxiliary mechanism 5 is arranged on the barrel body 1 and the stirring mechanism 3, and the stirring mechanism 3 is matched with the auxiliary mechanism 5, so that a uniform stirring effect is conveniently realized on a single material before material mixing, the condition that some material particles with larger viscosity or stronger fiber are agglomerated is avoided, the blocking probability is reduced, and the subsequent material mixing process is ensured; namely: in actual operation, a user can turn on the motor 303, the motor 303 rotates to drive the rotating rod 304 to rotate, the rotating rod 304 rotates to drive the first sleeve rod 305 and the second sleeve rod 306 to rotate, the first sleeve rod 305 and the second sleeve rod 306 rotate to drive the sleeve 307 to rotate, the sleeve 307 rotates to drive the stirring paddle 308 to rotate, so that a single material is stirred before mixing, further, the motor 303 rotates to drive the projection 502 to rotate, the compression block 503 is continuously extruded and collided with the rotation of the projection 502, the compression block 503 is compressed to move, the compression block 503 moves to push the rotating rod 304 to move, the rotating rod 304 moves in the mounting frame 505, the second spring 504 and the third spring 508 are compressed at the same time, and the rotating rod 304 continuously moves up and down by repeating the above operations, and then drive stirring rake 308 reciprocates together, further improves the stirring effect of stirring rake 308 to conveniently play the even effect of stirring to single material before the compounding, avoid some great or fibrous stronger material granule of viscidity to produce the condition of caking, make the probability of reducing the jam, and guarantee subsequent batching process.
Specifically, the opening and closing mechanism 2 comprises a connecting frame 201, the connecting frame 201 is fixedly connected to the barrel body 1, a sealing cover 202 is clamped in the connecting frame 201, and two handrails 203 are fixedly connected to the sealing cover 202; when the barrel body is not used for a long time, a user can hold the two handrails 203 and clamp the sealing cover 202 in the connecting frame 201, so that the inside of the barrel body 1 is shielded conveniently.
Specifically, the scraping mechanism 4 includes a first spring 401, a first spring 401 is wound around each of the first sleeve 305 and the second sleeve 306, one of the first springs 401 is fixedly connected to a sleeve 307 and the first sleeve 305, the other one of the first springs 401 is fixedly connected to the sleeve 307 and the second sleeve 306, and a scraper 402 is fixedly connected to the sleeve 307; when the scraping mechanism 4 is used, the scraping mechanism 4 is arranged on the stirring mechanism 3, and material particles adhered to the inner wall of the barrel body 1 can be conveniently scraped through the scraping mechanism 4, so that the storage space in the barrel body 1 is prevented from being occupied by the material particles, and the probability of material blockage is reduced; namely: along with the rotation of first loop bar 305 and second loop bar 306 can drive sleeve 307 and scraper blade 402 rotate together, and when the rotational speed reached a certain degree, under the effect of centrifugal force, first spring 401 will produce the shrink, sleeve 307 also can produce and remove, until driving scraper blade 402 contradicts in staving 1 inner wall, thereby makes scraper blade 402 conveniently strikes off the material granule that is stained with and attaches to staving 1 inner wall, avoids to crowd in the storage space of staving 1 inside and takes up, reduces the probability that the material blockked up.
Specifically, the decomposing mechanism 6 comprises a decomposing roller 601, the rotating rod 304 is fixedly connected with the decomposing roller 601, the barrel body 1 is internally and slidably connected with a screen 602, the decomposing roller 601 is fixedly connected with a resisting rod 603, the resisting rod 603 is pressed against the screen 602, the screen 602 is fixedly connected with a fourth spring 604, the fourth spring 604 is fixedly connected with the barrel body 1, the screen 602 is fixedly connected with a sliding rod 605, the sliding rod 605 is slidably connected inside the barrel body 1, and the fourth spring 604 is wound on the sliding rod 605; when the material mixing device is used, the decomposition mechanism 6 is arranged inside the barrel body 1, and the decomposition mechanism 6 is used for conveniently crushing and decomposing some adhered large-particle materials before material mixing, so that the blocking probability is reduced, and the subsequent material mixing process is ensured; in actual operation, after the materials enter the barrel 1, the screen 602 will perform a sieving function on the materials, so as to remove some adhered large-particle materials, and further, the rotating rod 304 rotates to drive the decomposing roller 601 to rotate, so that the adhered large-particle materials can be conveniently crushed and decomposed, meanwhile, along with the up-and-down movement of the rotating rod 304, the decomposition roller 601 is also driven to move up and down together, the decomposition roller 601 moves to drive the abutting rod 603 to move, the abutting rod 603 abuts and extrudes the screen 602, so that the screen 602 moves, the fourth spring 604 is compressed at the same time, and repeating the above process will shake the screen 602 to prevent it from being jammed, thereby further make things convenient for to carry out the broken decomposition to some large granule materials that bond before the compounding for reduce the probability of jam, and guarantee subsequent batching process.
Specifically, the mounting mechanism 7 includes a first flange 701, the first flange 701 is fixedly connected to the barrel body 1, a transfer bin 704 is arranged at the bottom of the barrel body 1, a second flange 702 is fixedly connected to the transfer bin 704, a plurality of bolts 703 are arranged on the first flange 701, and the bolts 703 are in threaded connection with the second flange 702; before use, the first flange 701 is butted with the second flange 702, and then the first flange 701 and the second flange 702 are connected through the bolt 703, so that the barrel body 1 and the transfer bin 704 can be conveniently installed.
When the barrel body 1 and the transfer bin 704 are used, firstly, the first flange 701 is butted with the second flange 702 before assembly, and then the first flange 701 and the second flange 702 are connected through the bolts 703, so that the barrel body 1 and the transfer bin 704 can be conveniently installed; in actual operation, the materials are put into the barrel body 1, then the motor 303 can be connected with the power supply, after the materials enter the barrel body 1, the screen 602 can screen the materials to remove some adhered large-particle materials, and further, the rotating rod 304 rotates to drive the decomposing roller 601 to rotate, so that the adhered large-particle materials can be conveniently crushed and decomposed, meanwhile, along with the up-and-down movement of the rotating rod 304, the decomposition roller 601 is also driven to move up and down together, the disassembling roller 601 moves to drive the abutting rod 603 to move, the abutting rod 603 abuts and extrudes the screen 602 to move the screen 602, the fourth spring 604 is compressed at the same time, the screen 602 is shaken to avoid being blocked by repeating the above processes, therefore, the bonded large-particle materials are further conveniently crushed and decomposed before mixing, the blocking probability is reduced, and the subsequent batching process is ensured; then, the motor 303 rotates to drive the rotating rod 304 to rotate, the rotating rod 304 rotates to drive the first sleeve rod 305 and the second sleeve rod 306 to rotate, the first sleeve rod 305 and the second sleeve rod 306 rotate to drive the sleeve 307 to rotate, the sleeve 307 rotates to drive the stirring paddle 308 to rotate, so that a single material is conveniently stirred before mixing, further, the rotating rod 304 moves in the placing frame 505 along with the rotation of the motor 303 and drives the bump 502 to rotate, the pressed block 503 is continuously extruded and abutted against along with the rotation of the bump 502, the pressed block 503 is pressed to move, the pressed block 503 moves to push the rotating rod 304 to move, the rotating rod 304 moves along with the placing frame 505, the second spring 504 and the third spring 508 are simultaneously compressed, the above operations are continuously repeated, the rotating rod 304 continuously moves up and down, so as to drive the stirring paddle 308 to move up and down together, so as to further improve the stirring effect of the stirring paddle 308, thereby facilitating the uniform stirring of the single material before mixing, the condition that some material particles with larger viscosity or stronger fiber property are agglomerated is avoided, so that the blocking probability is reduced, and the subsequent batching process is ensured; further, the sleeve 307 and the scraper 402 can be driven to rotate together with the rotation of the first sleeve rod 305 and the second sleeve rod 306, when the rotation speed reaches a certain degree, the first spring 401 can contract under the action of centrifugal force, and the sleeve 307 can also move until the scraper 402 is driven to abut against the inner wall of the barrel body 1, so that the scraper 402 can conveniently scrape off material particles adhered to the inner wall of the barrel body 1, the storage space in the barrel body 1 is prevented from being occupied by squeezing, and the probability of material blockage is reduced; in addition, when the barrel is not used for a long time, a user can hold the two handrails 203 to clamp the sealing cover 202 in the connecting frame 201, so that the inside of the barrel 1 can be shielded conveniently.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The formula preparation process of the enhanced environment-friendly running-in powder friction material and friction lining is characterized by comprising the following raw materials: 6kg of ceramic fiber, 18kg of steel wool fiber, 7kg of mineral fiber, 9kg of phenolic resin, 4kg of rubber elastic particles, 3kg of graphite, 9kg of light calcium oxide, 2kg of aramid pulp, 2kg of titanate, 9kg of calcium carbonate, 6kg of calcined alumina, 8kg of red copper fiber, 4kg of red copper powder, 10kg of calcined petroleum coke, 3kg of zircon powder and 20g of environment-friendly running-in powder;
the preparation process comprises the following steps:
s1, respectively taking the following raw materials in proportion: simultaneously adding and mixing ceramic fiber, steel wool fiber, mineral fiber, phenolic resin and rubber elastic particles for 3min to form a reinforced environment-friendly running-in powder type I friction material;
s2, respectively taking the following raw materials in proportion: simultaneously adding graphite, light calcium oxide, aramid pulp, titanate and calcium carbonate and mixing for 3min to form a reinforced environment-friendly running-in powder II type friction material;
s3, respectively taking the following raw materials in proportion: calcining aluminum oxide, red copper fiber, red copper powder, calcined petroleum coke, zircon powder and environment-friendly running-in powder, and simultaneously adding and mixing for 4min to form a reinforced environment-friendly running-in powder III type friction material;
s4, adding and mixing the reinforced environment-friendly running-in powder type I friction material, the reinforced environment-friendly running-in powder type II friction material and the reinforced environment-friendly running-in powder type III friction material for 8min to obtain a reinforced environment-friendly running-in powder synthetic friction material;
s5, taking the special back plate for the brake pad to perform shot blasting and oil removal, spraying back plate glue on one side of the back plate, and airing or drying;
s6, installing the brake pad mould into a hydraulic press, and setting technical parameters such as mould temperature, pressing time, pressing pressure, air bleeding height during pressing and the like according to the product pressing process;
s7, when the temperature of a pressing mold reaches 160 +/-10%, putting the reinforced environment-friendly running-in powder friction material into the mold according to the required weight of the product, putting the surface, sprayed with the back plate glue, of the back plate on the mold facing the reinforced environment-friendly running-in powder synthetic friction material, and pressing for 300S under the condition that the pressing pressure is 18MPa to obtain a formed semi-product;
s8, heating the molded semi-finished product obtained by pressing in the step 7 to 210 ℃, and curing for 12h to obtain the cured semi-finished product of the friction lining.
2. The preparation device for the formula of the enhanced environment-friendly running-in powder friction material and friction lining is characterized by comprising a barrel body (1), wherein an opening and closing mechanism (2) is arranged on the barrel body (1), a stirring mechanism (3) is arranged in the barrel body (1), a scraping mechanism (4) is arranged on the stirring mechanism (3), auxiliary mechanisms (5) are arranged on the barrel body (1) and the stirring mechanism (3), a decomposing mechanism (6) is arranged in the barrel body (1), and an installing mechanism (7) is arranged on the barrel body (1);
the stirring mechanism (3) comprises connecting rods (301), two connecting rods (301) are fixedly connected in the barrel body (1), a mounting block (302) is fixedly connected between the two connecting rods (301), a motor (303) is arranged in the mounting block (302), a rotating rod (304) is connected to the output end of the motor (303) in a sliding manner, a first loop bar (305) and a second loop bar (306) are fixedly connected to the rotating rod (304), a sleeve (307) is respectively arranged on the first loop bar (305) and the second loop bar (306) in a sliding manner, and a stirring paddle (308) is fixedly connected to the sleeve (307);
complementary unit (5) are including fixed frame (501), settle fixed frame (501) of fixedly connected with on piece (302), fixed frame (501), sliding connection has lug (502) and receives piece (503) in fixed frame (501), lug (502) fixed connection is in motor (303), receive fixedly connected with second spring (504) on piece (503), second spring (504) twine in bull stick (304), just receive piece (503) to contradict in bull stick (304), second spring (504) contradict in fixed frame (501).
3. An apparatus for preparing an enhanced green running-in powder friction material, friction lining formulation according to claim 2, wherein: the whole placing block (302) is conical, the number of the first loop bars (305) and the number of the second loop bars (306) are two, and the whole stirring paddle (308) is antenna-shaped.
4. An apparatus for preparing an enhanced green running-in powder friction material, friction lining formulation according to claim 2, wherein: two fixing rods (506) are fixedly connected to the barrel body (1), a mounting frame (505) is fixedly connected between the two fixing rods (506), and the rotating rod (304) is connected to the inside of the mounting frame (505) in a sliding mode.
5. The apparatus for preparing an enhanced green running-in powder friction material, friction lining formulation according to claim 4, wherein: the utility model discloses a spacing frame, including the bull stick (304), runner bar (304) go up sliding connection has gag lever post (507), the last third spring (508) of winding of gag lever post (507), third spring (508) are contradicted in runner bar (304) and are settled frame (505).
6. An apparatus for preparing an enhanced green running-in powder friction material, friction lining formulation according to claim 2, wherein: the opening and closing mechanism (2) comprises a connecting frame (201), the barrel body (1) is fixedly connected with the connecting frame (201), a sealing cover (202) is clamped in the connecting frame (201), and two handrails (203) are fixedly connected to the sealing cover (202).
7. An apparatus for preparing an enhanced green running-in powder friction material, friction lining formulation according to claim 3, wherein: the scraping mechanism (4) comprises a first spring (401), the first loop bar (305) and the second loop bar (306) are respectively wound with the first spring (401), one of the first springs (401) is fixedly connected to the sleeve (307) and the first loop bar (305), the other one of the first springs (401) is fixedly connected to the sleeve (307) and the second loop bar (306), and the sleeve (307) is fixedly connected with the scraping plate (402).
8. An apparatus for preparing an enhanced green running-in powder friction material, friction lining formulation according to claim 2, wherein: the decomposing mechanism (6) comprises a decomposing roller (601), the rotating rod (304) is fixedly connected with the decomposing roller (601), and the barrel body (1) is internally and slidably connected with a screen (602).
9. An apparatus for preparing an enhanced green running-in powder friction material, friction lining formulation according to claim 8, wherein: the decomposing roller (601) is fixedly connected with a resisting rod (603), the resisting rod (603) is abutted against the screen (602), the screen (602) is fixedly connected with a fourth spring (604), the fourth spring (604) is fixedly connected to the barrel body (1), the screen (602) is fixedly connected with a sliding rod (605), the sliding rod (605) is slidably connected to the inside of the barrel body (1), and the fourth spring (604) is wound on the sliding rod (605).
10. An apparatus for preparing an enhanced green running-in powder friction material, friction lining formulation according to claim 2, wherein: installation mechanism (7) includes first flange (701), first flange (701) of fixedly connected with are gone up in staving (1), staving (1) bottom is equipped with transports storehouse (704), transport fixedly connected with second flange (702) on storehouse (704), be equipped with a plurality of bolts (703) on first flange (701), bolt (703) threaded connection is in second flange (702).
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