Manufacturing equipment and process for long-fiber dry friction material

Abstract

The invention discloses manufacturing equipment for a long-fiber dry-type friction material, which is characterized in that one end of a rack is provided with a wire storage frame, and an equipment main body is provided with a plurality of groups of laminated composite mechanisms, a guide roller group, a heating mechanism, a pressing roller group, a cooling roller group, a knife roller and a chopping knife; each composite mechanism comprises a conveying belt, a wire feeding mechanism, a first extrusion mechanism, a second extrusion mechanism and a composite roller, a base plate is further arranged at the bottom of the upper layer of the conveying belt, a rapid cooling area is arranged at the front end of the base plate, and the wire feeding mechanism comprises a first guide roller, a first dispersing roller, a second dispersing roller, a first retaining mechanism and a second retaining mechanism; a knife roll is arranged on the rack, a platform is arranged on the rack below the knife roll, a clamping roll is further arranged behind the knife roll, and a roller with a convex strip is further arranged on the platform between the knife roll and the clamping roll. The loss in the preparation process is small, the consistency of the fiber content in the prepared granular material is good, and the processing efficiency can be improved.

Description

Technical Field

[0001] The invention relates to a long-fiber dry friction material manufacturing device and a process thereof. Background Art

[0002] In the prior art, in the process of preparing dry clutch friction materials using long fibers, in order to prevent the long fibers from being entangled and agglomerated in the final granular material (which will cause uneven properties of the granular material), the long fibers are generally cut and crushed first, and the long fibers are prepared into short fibers before being put into use; the specific process is generally to fully heat and mix the fibers and the material by wet or dry method, and then cool and shape the mixed blanks, and finally send the shaped large or small lumps of blanks into a pulverizer for pulverization, and obtain roughly uniform granular materials after sieving;

[0003] The above preparation method has the following shortcomings: a large amount of dust and tiny particles will be generated during the crushing process, and these materials cannot be reused, which will waste a lot of raw materials and cause large losses; even if the long fibers are cut into short fibers for reuse and then mixed, stirred or kneaded for a long time in the later stage, the consistency of the fiber content in the granular material cannot be guaranteed, which will affect the final product of the clutch friction plate; there are many processing steps and the processing efficiency is low, which is not conducive to the realization of automated continuous production. Summary of the invention

[0004] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art and provide a long-fiber dry friction material manufacturing device and a process thereof, which can directly utilize long fibers to prepare long-fiber dry friction materials, with small losses during the preparation process, good consistency of fiber content in the prepared granular material, and can improve processing efficiency.

[0005] The technical solution of the present invention is: a long-fiber dry friction material manufacturing device, comprising a frame, the frame is provided with a device body, one end of the frame is provided with a wire storage rack, the wire storage rack is provided with a plurality of reels wound with long fibers, and the back of the frame is also provided with a material storage barrel;

[0006] The main body of the equipment is provided with multiple groups of stacked composite mechanisms, guide roller groups, heating mechanisms, pressing roller groups, cooling roller groups, knife rollers and chopping knives in sequence from front to back, and the multiple groups of composite mechanisms are arranged close to the wire storage rack;

[0007] Each of the composite mechanisms comprises a conveyor belt, a wire feeding mechanism arranged above the conveyor belt, a first extrusion mechanism, a second extrusion mechanism and a composite roller, wherein the first extrusion mechanism and the second extrusion mechanism are connected to a material storage barrel;

[0008] The first extrusion mechanism is arranged near the front end of the conveyor belt, and the extrusion port of the first extrusion mechanism is arranged close to the top of the conveyor belt. The extruded material from the extrusion port of the first extrusion mechanism is spread flat on the conveyor belt. A first pressing roller is also arranged above the conveyor belt at the rear end of the first extrusion mechanism, and the first pressing roller is used to press the material extruded by the first extrusion mechanism into a thin layer;

[0009] The upper bottom of the conveyor belt is also provided with a pad, and the front end of the pad is provided with a quick cooling zone, and the quick cooling zone is arranged corresponding to the first extrusion mechanism and the first pressure roller;

[0010] The wire feeding mechanism comprises a first guide roller, a first dispersion roller and a second dispersion roller, wherein the first guide roller is located above the first pressure roller, the first dispersion roller is located behind the first pressure roller, and the second dispersion roller is located obliquely below the rear end of the first dispersion roller and is arranged close to the conveyor belt. The bundled long fibers are guided from the wire storage rack to the first guide roller, and then dispersed and spread to the top of the thin layer by the first dispersion roller and the second dispersion roller.

[0011] The first dispersing roller and the second dispersing roller are densely covered with concave rings;

[0012] A first holding mechanism is telescopically connected to the frame between the first guide roller and the first dispersing roller, and a second holding mechanism is provided between the first dispersing roller and the second dispersing roller. The first holding mechanism and the second holding mechanism both include a seat and a plurality of rows of bristles arranged on the seat, and each of the bundled long fibers is inserted between each row of bristles after being dispersed.

[0013] The extrusion port of the second extrusion mechanism is arranged behind the second dispersion roller, and the extruded material from the extrusion port of the second extrusion mechanism is laid on the top of the long fiber. The composite roller is arranged behind the second extrusion mechanism, and the composite roller presses the two layers of material and the long fiber layer between the two layers of material into a single-layer long fiber composite material;

[0014] The single-layer long fiber composite material output by each of the composite mechanisms is stacked into a multi-layer long fiber composite material through a guide roller group, and then input into the heating mechanism for heating, and pressed into a clutch friction material blank through a pressing roller group, and finally cooled by a cooling roller group and input to a knife roller, a platform is provided on the frame below the knife roller, and the knife roller is densely covered with annular blades, and the knife roller cuts the clutch friction material blank evenly into long strips, and a clamping roller is also provided behind the knife roller for cooperating with the shredding tool to clamp the long strip clutch friction material blank, and a roller with convex strips is also provided on the platform between the knife roller and the clamping roller, and an elastic gasket corresponding to the roller with convex strips is also provided on the platform, and the roller with convex strips rotates and knocks the clutch friction material blank to completely separate the cut long strips, and the lower end of the cutting tool is telescopically connected with a blade, and the blade cuts each long strip clutch friction material blank into uniform small particles.

[0015] Furthermore, three layers of screens are provided at the other end of the frame, and the mesh sizes of the three layers of screens increase successively.

[0016] Furthermore, the extrusion openings of the first extrusion mechanism and the second extrusion mechanism are both elastic extrusion openings arranged obliquely backward.

[0017] Preferably, the composite structure has six groups.

[0018] Furthermore, a plurality of through holes are provided on the rapid cooling zone of the pad, and a fan is provided at one end of the plurality of through holes.

[0019] Furthermore, the frame is also provided with a cylinder corresponding to the first retaining mechanism, the piston rod of the cylinder is connected to the seat of the first retaining mechanism, the frame is also provided with a guide rail corresponding to the seat of the first retaining mechanism, the seat of the first retaining mechanism is also provided with a slider, and the slider cooperates with the guide rail.

[0020] Furthermore, the frame is provided with a chip receiving groove, and the chip receiving groove is arranged corresponding to the first retaining mechanism.

[0021] Specifically, the conveyor belt extends below the composite roller.

[0022] Furthermore, a second guide roller is provided at the rear end of each composite mechanism.

[0023] A process for manufacturing a dry friction material device equipped with the above-mentioned long fibers comprises the following steps:

[0024] Step 1: Heat and stir all auxiliary materials and fillers and place them into the storage barrel;

[0025] Step 2: The first extrusion mechanism of the composite mechanism cooperates with the first pressing roller to prepare a thin layer on the conveyor belt, the wire feeding mechanism evenly disperses and spreads the long fiber bundles on the thin layer, and the second extrusion mechanism cooperates with the composite roller to press the two layers of material and the long fiber layer into a single-layer long fiber composite material;

[0026] Step 3, the single-layer long fiber composite material output by each of the composite mechanisms is stacked into a multi-layer long fiber composite material through a guide roller group, input into a heating mechanism and heated to 90-110° C., pressed into an integrated clutch friction material blank by a pressing roller group, and then cooled to 30-50° C. by a cooling roller group and input to a knife roller;

[0027] Step 3: The knife roller rotates to evenly cut the blank into a plurality of long strips of clutch friction material. After cutting, the roller with convex strips rotates to continuously knock the long strips of clutch friction material to completely separate the long strips of clutch friction material. The separated long strips of clutch friction material are fed to the cutting tool.

[0028] Step 4: The clamping roller cooperates with the continuously retractable blade of the cutting tool to cut each long strip of clutch friction material into small particles of 2 mm square and output them to the frame;

[0029] Step 5: Screen to remove oversized or undersized scraps to obtain the finished product

[0030] The beneficial effects of the present invention are as follows: the present invention can carry out continuous and automated production of dry clutch friction materials. Since each fiber in the dry clutch friction material is still a whole long fiber, and each layer of fibers is evenly and neatly arranged, the strength of the material can be improved and the uniformity of the material performance can be ensured. After the dry clutch friction plate is made of the material, the final quality of the friction plate can be ensured. In addition, since the clutch friction material is composited with multiple layers of single-layer long fiber composite materials and is cut into small particles by a knife roller and a cutting tool, only a small amount of scraps are generated during the processing, and no dust and other waste materials are generated, which can save raw materials and is beneficial to environmental protection to a certain extent.

[0031] Among them, each group of composite mechanisms first prepares a single-layer long fiber composite material consisting of two layers of material and a long fiber layer evenly distributed between the two layers of material, and then heats and presses each single-layer long fiber composite material into one, which can ensure that the fibers in the blank are evenly distributed;

[0032] During the preparation of a single-layer long-fiber composite material, two sets of dispersion rollers and two sets of holding mechanisms consisting of brushes are designed to ensure uniform distribution of the long fibers during output. The first holding mechanism is retractable so that the brushes can assist the operator in initially distributing the long fiber bundles evenly onto the dispersion rollers. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the structure of the present invention;

[0034] Figure 2 It is a structural schematic diagram of the composite mechanism in the present invention;

[0035] Figure 3 is a schematic structural diagram of the first holding mechanism or the second holding mechanism in the present invention;

[0036] Figure 4 It is a schematic structural diagram of an extrusion port of the first extrusion mechanism or the second extrusion mechanism in the present invention;

[0037] Figure 5 It is a schematic structural diagram of the first dispersing roller or the second dispersing roller in the present invention;

[0038] Figure 6 It is a structural schematic diagram of the knife roller in the present invention.

[0039] In the figure: frame 1, compound mechanism 2, guide roller group 3, heating mechanism 4, pressing roller group 5, cooling roller group 6, knife roller 7, chopping knife 8, conveyor belt 9, first extrusion mechanism 10, second extrusion mechanism 11, compound roller 12, first pressing roller 13, pad 14, rapid cooling zone 15, first guide roller 16, first dispersion roller 17, second dispersion roller 18, first holding mechanism 19, second holding mechanism 20, seat body 21, bristles 22, platform 23, clamping roller 24, roller with convex strips 25, elastic gasket 26, cylinder 27, guide rail 28, chip receiving groove 29, second guide roller 30, extrusion port 31. DETAILED DESCRIPTION

[0040] The technical solution of the present invention is further specifically described below through embodiments and in conjunction with the accompanying drawings.

[0041] Combination Figure 1-6 As shown, a long-fiber dry friction material manufacturing device comprises a frame 1, on which a device body is arranged, a wire storage rack is arranged on one side of the frame 1, on which a plurality of reels with long fibers wound are arranged, and a material storage barrel is also arranged on the back of the frame 1;

[0042] The main body of the device is provided with multiple sets of composite mechanisms 2, guide roller groups 3, heating mechanisms 4, pressing roller groups 5, cooling roller groups 6, knife rollers 7 and chopping knives 8 in sequence from front to back, and the multiple sets of composite mechanisms 2 are arranged close to the wire storage rack;

[0043] Each of the composite mechanisms 2 includes a conveyor belt 9, a wire feeding mechanism arranged above the conveyor belt 9, a first extrusion mechanism 10, a second extrusion mechanism 11 and a composite roller 12, wherein the first extrusion mechanism 10 and the second extrusion mechanism 11 are connected to a material storage barrel;

[0044] The first extrusion mechanism 10 is arranged near the front end of the conveyor belt 9, and the extrusion port 31 of the first extrusion mechanism 10 is arranged close to the top of the conveyor belt 9. The extrusion material of the extrusion port 31 of the first extrusion mechanism 10 is spread on the conveyor belt 9. A first pressing roller 13 is also arranged above the conveyor belt 9 at the rear end of the first extrusion mechanism 10 to press the material extruded by the first extrusion mechanism 10 into a thin layer.

[0045] The upper bottom of the conveyor belt 9 is also provided with a pad 14, and the front end of the pad 14 is provided with a quick cooling zone 15, and the quick cooling zone 15 is provided corresponding to the first extrusion mechanism 10 and the first pressing roller 13, so that the bottom of the thin layer is quickly cooled and formed, which is convenient for the thin layer and the conveyor belt 9 to be separated, and the quick cooling zone 15 is only provided corresponding to the first extrusion mechanism 10 and the first pressing roller 13, so as to prevent the top of the thin layer from solidifying too quickly and being unable to be combined with the long fiber.

[0046] The wire feeding mechanism comprises a first guide roller 16, a first dispersion roller 17 and a second dispersion roller 18, wherein the first guide roller 16 is located above the first pressure roller 13, the first dispersion roller 17 is located behind the first pressure roller 13, and the second dispersion roller 18 is located obliquely below the rear end of the first dispersion roller 17 and is arranged close to the conveyor belt 9. The bundled long fibers are guided from the wire storage rack to the first guide roller 16, and then dispersed and spread to the top of the thin layer by the first dispersion roller 17 and the second dispersion roller 18;

[0047] The first dispersing roller 17 and the second dispersing roller 18 are densely covered with concave rings to evenly spread the bundled long fibers.

[0048] A first holding mechanism 19 is telescopically connected to the frame 1 between the first guide roller 16 and the first dispersing roller 17. A second holding mechanism 20 is provided between the first dispersing roller 17 and the second dispersing roller 18. The first holding mechanism 19 and the second holding mechanism 20 both include a seat 21 and a plurality of rows of bristles 22 provided on the seat 21. After the bundled long fibers are dispersed, each long fiber is inserted between each row of bristles 22 to keep the long fibers in a uniformly laid state.

[0049] The long fibers after being spread out are guided to the top of the thin layer by the second dispersion roller 18;

[0050] The extrusion port 31 of the second extrusion mechanism 11 is arranged behind the second dispersion roller 18, and the extrusion material of the extrusion port 31 of the second extrusion mechanism 11 is laid on the top of the long fiber, and the composite roller 12 is arranged behind the second extrusion mechanism 11, and the composite roller 12 presses the two layers of material and the long fiber layer into a single-layer long fiber composite material;

[0051] The single-layer long fiber composite material output by each of the composite mechanisms 2 is stacked into a multi-layer long fiber composite material through the guide roller group 3, and is input into the heating mechanism 4 for heating. The clutch friction material blank is pressed into one piece by the pressing roller group 5, and then cooled by the cooling roller group 6 and fed to the knife roller 7. A platform 23 is provided on the frame 1 below the knife roller 7. The knife roller 7 is densely covered with annular blades. The knife roller 7 evenly cuts the clutch friction material blank into long strips. The knife roller 7 is also provided with a shredder 8 to cut the long strip clutch friction material blank. A clamping roller 24 is provided for clamping, and a roller 25 with convex strips is provided on the platform 23 between the knife roller 7 and the clamping roller 24. An elastic gasket 26 corresponding to the roller 25 with convex strips is provided on the platform 23. The roller 25 with convex strips rotates and continuously hits the clutch friction material blank to completely separate the cut long strips. The lower end of the cutting tool is telescopically connected with a blade, and the blade cuts each long strip of clutch friction material blank into uniform small particles of 2 mm square. The small particle material is output from the frame 1 and screened by multiple layers of screens to obtain the final product.

[0052] The above structure can be used for continuous and automated production of dry clutch friction materials. Since each fiber in the dry clutch friction material is still a whole long fiber and each layer of fiber is arranged evenly and neatly, the strength of the material can be improved and the uniformity of the material performance can be ensured. After the dry clutch friction plate is made of this material, the final quality of the friction plate can be ensured. In addition, since the clutch friction material is composed of multiple layers of single-layer long fiber composite materials and is cut into small particles by the knife roller 7 and the cutting tool, only a small amount of scraps are generated during the processing, and no dust and other waste materials are generated, which can save raw materials and is beneficial to environmental protection to a certain extent.

[0053] In another embodiment, three layers of screens are provided on the other side of the frame 1, and the mesh sizes of the three layers of screens are increased successively to screen out larger and smaller scraps, and the small particle materials located on the middle screen are qualified finished products.

[0054] In another embodiment, if Figure 3 As shown, the extrusion ports 31 of the first extrusion mechanism 10 and the second extrusion mechanism 11 are both elastic extrusion ports arranged obliquely backwards, so as to facilitate the extruded material to form a thin layer.

[0055] Preferably, the composite structure 2 has six layers.

[0056] In another embodiment, the rapid cooling zone 15 of the pad 14 is provided with a plurality of through holes, and a fan is provided at one end of the plurality of through holes to increase the air flow speed in the through holes to accelerate the cooling speed of the area.

[0057] In another embodiment, if Figure 2 As shown, the frame 1 is also provided with a cylinder 27 corresponding to the first retaining mechanism 19, the piston rod of the cylinder 27 is connected to the seat 21 of the first retaining mechanism 19, the frame 1 is also provided with a guide rail 28 corresponding to the seat 21 of the first retaining mechanism 19, and the seat 21 of the first retaining mechanism 19 is also provided with a slider, and the slider cooperates with the guide rail 28.

[0058] In another embodiment, if Figure 2 As shown, the frame 1 is also provided with a chip groove 29, and the chip groove 29 is arranged corresponding to the first holding mechanism 19. When the long fiber passes through the first holding mechanism 19, the debris that may be attached to its surface is brushed off and falls into the chip groove 29 to avoid affecting the combination of the long fiber and the thin layer.

[0059] In another embodiment, if Figure 2 As shown, the conveyor belt 9 extends below the composite roller 12 to prevent the thin layer on the conveyor belt 9 from wrinkling or breaking under the action of the rear pulling force.

[0060] In another embodiment, a second guide roller 30 is further provided at the rear end of each of the composite mechanisms 2 to guide each single-layer long-fiber composite material to the guide roller group 3 .

[0061] In another embodiment, a stirring device and a heating device are also provided at the bottom of the storage barrel.

[0062] A process for manufacturing a dry friction material device equipped with the above-mentioned long fibers comprises the following steps:

[0063] Step 1: Heat and stir all auxiliary materials and fillers and place them into the storage barrel;

[0064] The auxiliary materials include melamine modified phenolic resin, nitrile rubber, hexamethylenetetramine, accelerator, sulfur, and antioxidant; the filler includes carbon black, artificial graphite, chromite powder, heavy calcium carbonate, aluminum oxide, and petroleum coke; the specific proportions thereof are known in the prior art and will not be described in detail herein;

[0065] Step 2: The first extrusion mechanism of the composite mechanism cooperates with the first pressing roller to prepare a thin layer on the conveyor belt, the wire feeding mechanism evenly disperses and spreads the long fiber bundles on the thin layer, and the second extrusion mechanism cooperates with the composite roller to press the two layers of material and the long fiber layer into a single-layer long fiber composite material;

[0066] The long fiber is glass fiber or ceramic fiber;

[0067] Step 3, the single-layer long fiber composite material output by each of the composite mechanisms is stacked into a multi-layer long fiber composite material through a guide roller group, input into a heating mechanism and heated to 90-110° C., pressed into an integrated clutch friction material blank by a pressing roller group, and then cooled to 30-50° C. by a cooling roller group and input to a knife roller;

[0068] Step 3: The knife roller rotates to evenly cut the blank into a plurality of long strips of clutch friction material. After cutting, the roller with convex strips rotates to continuously knock the long strips of clutch friction material to completely separate the long strips of clutch friction material. The separated long strips of clutch friction material are fed to the cutting tool.

[0069] Step 4: The clamping roller cooperates with the continuously retractable blade of the cutting tool to cut each long strip of clutch friction material into small particles of 2 mm square and output them to the frame;

[0070] Step 5: Screen to remove the oversized or undersized scraps to obtain the finished product.

Claims

1. A long-fiber dry friction material manufacturing device, comprising a frame (1), characterized in that: The frame (1) is provided with a device body, one end of the frame (1) is provided with a wire storage rack, the wire storage rack is provided with a plurality of reels wound with long fibers, and the back of the frame (1) is also provided with a material storage barrel; The main body of the device is provided with a plurality of stacked composite mechanisms (2), a guide roller group (3), a heating mechanism (4), a pressing roller group (5), a cooling roller group (6), a knife roller (7) and a chopping knife (8) in sequence from front to back, and the plurality of composite mechanisms (2) are arranged close to the wire storage rack; Each of the composite mechanisms (2) comprises a conveyor belt (9), a wire feeding mechanism arranged above the conveyor belt (9), a first extrusion mechanism (10), a second extrusion mechanism (11) and a composite roller (12), wherein the first extrusion mechanism (10) and the second extrusion mechanism (11) are connected to a material storage barrel; The first extrusion mechanism (10) is arranged near the front end of the conveyor belt (9), the extrusion port (31) of the first extrusion mechanism (10) is arranged close to the top of the conveyor belt (9), the extrusion material of the extrusion port (31) of the first extrusion mechanism (10) is spread on the conveyor belt (9), and a first pressing roller (13) is also arranged above the conveyor belt (9) at the rear end of the first extrusion mechanism (10), and the first pressing roller (13) is used to press the material extruded by the first extrusion mechanism (10) into a thin layer; The upper bottom of the conveyor belt (9) is also provided with a pad (14), and the front end of the pad (14) is provided with a quick cooling zone (15), and the quick cooling zone (15) is arranged corresponding to the first extrusion mechanism (10) and the first pressure roller (13); The wire feeding mechanism comprises a first guide roller (16), a first dispersion roller (17) and a second dispersion roller (18), wherein the first guide roller (16) is located above the first pressure roller (13), the first dispersion roller (17) is located behind the first pressure roller (13), and the second dispersion roller (18) is located obliquely below the rear end of the first dispersion roller (17) and is arranged close to the conveyor belt (9). The bundled long fibers are guided from the wire storage rack to the first guide roller (16), and then dispersed and spread to the top of the thin layer by the first dispersion roller (17) and the second dispersion roller (18); The first dispersing roller (17) and the second dispersing roller (18) are densely covered with concave rings; A first holding mechanism (19) is telescopically connected to the frame (1) between the first guide roller (16) and the first dispersing roller (17), and a second holding mechanism (20) is provided between the first dispersing roller (17) and the second dispersing roller (18). Both the first holding mechanism (19) and the second holding mechanism (20) include a seat (21) and a plurality of rows of bristles (22) arranged on the seat (21), and after the bundled long fibers are dispersed, each long fiber is inserted between each row of bristles (22); The extrusion port (31) of the second extrusion mechanism (11) is arranged behind the second dispersion roller (18), and the extruded material of the extrusion port (31) of the second extrusion mechanism (11) is laid on the top of the long fiber, and the composite roller (12) is arranged behind the second extrusion mechanism (11), and the composite roller (12) presses the two layers of material and the long fiber layer between the two layers of material into a single-layer long fiber composite material; The single-layer long fiber composite material output by each of the composite mechanisms (2) is stacked into a multi-layer long fiber composite material through a guide roller group (3), and then input into a heating mechanism (4) for heating, and pressed into a clutch friction material blank through a pressing roller group (5), and finally cooled through a cooling roller group (6) and then input to a knife roller (7). A platform (23) is provided on the frame (1) below the knife roller (7), and an annular blade is densely distributed on the knife roller (7). The knife roller (7) cuts the clutch friction material blank evenly into long strips. The rear of the knife roller (7) is also provided with a cutting tool for cooperating with the cutting tool. The shredder (8) is used to clamp the long strip clutch friction material blank with a clamping roller (24). A roller with convex strips (25) is also provided on the platform (23) between the knife roller (7) and the clamping roller (24). An elastic gasket (26) corresponding to the roller with convex strips (25) is also provided on the platform (23). The roller with convex strips (25) rotates and knocks the clutch friction material blank to completely separate the cut long strips. The lower end of the cutting tool is telescopically connected to a blade, and the blade cuts each long strip clutch friction material blank into uniform small particles.

2. A long fiber dry friction material manufacturing equipment as claimed in claim 1, characterized in that: The other end of the frame (1) is provided with three layers of screens, and the mesh sizes of the three layers of screens increase in sequence.

3. The long-fiber dry friction material manufacturing equipment according to claim 2, characterized in that: The extrusion openings (31) of the first extrusion mechanism (10) and the second extrusion mechanism (11) are both elastic extrusion openings arranged obliquely backwards.

4. The long-fiber dry friction material manufacturing equipment according to claim 3, characterized in that: The composite mechanism (2) has six groups.

5. The long-fiber dry friction material manufacturing equipment according to claim 4, characterized in that: The quick cooling zone (15) of the backing plate (14) is provided with a plurality of groups of through holes, and a fan is provided at one end of the plurality of groups of through holes.

6. The long-fiber dry friction material manufacturing equipment according to claim 5, characterized in that: The frame (1) is also provided with a cylinder (27) corresponding to the first retaining mechanism (19); the piston rod of the cylinder (27) is connected to the seat (21) of the first retaining mechanism (19); the frame (1) is also provided with a guide rail (28) corresponding to the seat (21) of the first retaining mechanism (19); the seat (21) of the first retaining mechanism (19) is also provided with a slider, and the slider cooperates with the guide rail (28).

7. The long-fiber dry friction material manufacturing equipment according to claim 6, characterized in that: The frame (1) is also provided with a chip receiving groove (29), and the chip receiving groove (29) is arranged corresponding to the first holding mechanism (19).

8. The long-fiber dry friction material manufacturing equipment according to claim 7, characterized in that: The conveyor belt (9) extends to below the composite roller (12).

9. The long-fiber dry friction material manufacturing equipment according to claim 8, characterized in that: A second guide roller (30) is also provided at the rear end of each composite mechanism (2).

10. A process for manufacturing the long-fiber dry friction material apparatus as claimed in claim 9, comprising the following steps: Step 1: Heat and stir all auxiliary materials and fillers and place them into the storage barrel; Step 2: The first extrusion mechanism of the composite mechanism cooperates with the first pressing roller to prepare a thin layer on the conveyor belt, the wire feeding mechanism evenly disperses and spreads the long fiber bundles on the thin layer, and the second extrusion mechanism cooperates with the composite roller to press the two layers of material and the long fiber layer into a single-layer long fiber composite material; Step 3, the single-layer long fiber composite material output by each of the composite mechanisms is stacked into a multi-layer long fiber composite material through a guide roller group, input into a heating mechanism and heated to 90-110° C., pressed into an integrated clutch friction material blank by a pressing roller group, and then cooled to 30-50° C. by a cooling roller group and input to a knife roller; Step 3: The knife roller rotates to evenly cut the blank into a plurality of long strips of clutch friction material. After cutting, the roller with convex strips rotates to continuously knock the long strips of clutch friction material to completely separate the long strips of clutch friction material. The separated long strips of clutch friction material are fed to the cutting tool. Step 4: The clamping roller cooperates with the continuously retractable blade of the cutting tool to cut each long strip of clutch friction material into small particles of 2 mm square and output them to the frame; Step 5: Screen to remove the oversized or undersized scraps to obtain the finished product.

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