CN115400662A

CN115400662A - Raw material mixing device is used in production of graphite carbon brush

Info

Publication number: CN115400662A
Application number: CN202211344235.3A
Authority: CN
Inventors: 马天翼
Original assignee: Jiangsu Lvyue New Materials Research Institute Co ltd
Current assignee: Jiangsu Lvyue New Materials Research Institute Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2022-11-29
Anticipated expiration: 2042-10-31
Also published as: CN115400662B

Abstract

The invention discloses a raw material mixing device for producing a graphite carbon brush, which belongs to the technical field of graphite carbon brushes and comprises a bottom plate and a primary stirring barrel, wherein a material conveying assembly is arranged on the bottom plate, a material conveying middle rotating block, a material storage pipe and a material conveying pipe are arranged on the material conveying assembly and used for conveying colloid raw materials, the primary stirring barrel is fixedly arranged on the material conveying middle rotating block, the other end of the material conveying pipe is connected to a drying box, the drying box is fixedly arranged on the primary stirring barrel, a gear bracket is fixedly arranged on the primary stirring barrel, a stirring blade is movably connected onto the gear bracket and used for stirring the colloid raw materials, a secondary mixing assembly is arranged on the bottom plate, a grinding ball and a screen plate are arranged on the secondary mixing assembly and used for grinding and screening the colloid raw materials, and the secondary stirring barrel and the secondary stirring blade are arranged on the secondary mixing assembly and used for mixing all the raw materials. The invention can mix the raw materials step by step, avoids impurities mixed in the raw materials in the carrying process, and can improve the quality of finished products through integrated manufacturing.

Description

Raw material mixing device is used in production of graphite carbon brush

Technical Field

The invention relates to the technical field of graphite carbon brushes, in particular to a raw material mixing device for producing a graphite carbon brush.

Background

Carbon brushes, also called brushes, are widely used as a sliding contact in many electrical devices. The carbon brush mainly comprises graphite, impregnated graphite (colloid powder) and metal (copper-containing and silver-containing) graphite in product application. The carbon brush is a device for transmitting energy or signals between a fixed part and a rotating part of a motor or a generator or other rotating machinery, various raw materials are required to be mixed and stirred in the manufacturing process of the carbon brush, the general steps are that firstly, colloid powder is produced, then, the colloid powder is mixed with other residual raw materials, and the uniformity degree of mixing and the mixing step determine the quality of a finished product. The production of the colloidal powder is to mix and stir graphite powder, molybdenum disulfide, phenolic resin, acetone solution and the like, the mixed raw materials are similar to a paste, then the mixed raw materials are sequentially dried, crushed and screened to finally obtain the colloidal powder, then the rest raw materials and the colloidal powder are mixed and stirred, and then the graphite carbon brush can be manufactured by the obtained mixed powder.

The utility model discloses a chinese utility model patent of publication No. CN211098860U among the prior art provides a raw materials mixing device that preparation electric tool carbon brush was used, including a jar body and two supporting legs, the both sides of jar body bottom are all fixed and are equipped with the supporting leg, the top of jar body one side is connected with the U-shaped piece through the mounting, be provided with feeding mechanism on the U-shaped piece, the middle part of jar body top both sides side is all fixed and is equipped with the connecting block, the fixed plate that is equipped with in top of connecting block, the fixed connecting plate that is equipped with between two fixed plate tops, the advantage lies in adding the solvent through stirring while and has reduced the time of stirring. The device has the defects that the colloid powder is directly put in, impurities are easily mixed in the colloid powder during the transportation, the quality of a finished product is influenced, and meanwhile, the proportion of each raw material in the colloid powder cannot be changed, so that the device cannot adapt to diversified production.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the transfer of the impregnated graphite (colloid powder) is time-consuming and labor-consuming and may cause impurities to affect the quality of finished products.

Aiming at the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a raw material mixing device is used in graphite carbon brush production, includes bottom plate, first agitator, the bottom plate on install fortune material subassembly, fortune material transfer piece, storage pipe, conveying pipeline in the fortune material subassembly is provided with fortune material, for transportation colloid raw materials, first agitator fixed mounting on fortune material transfer piece, the conveying pipeline other end is connected to the stoving case, stoving case fixed mounting is on first agitator, first agitator on fixed mounting gear bracket, swing joint stirring leaf is used for stirring colloid raw materials on the gear bracket, the bottom plate on install secondary mixing assembly, secondary mixing assembly on be provided with crushing ball, screen plate for pulverize, screen colloid raw materials, secondary mixing assembly on be provided with secondary agitator, secondary stirring leaf, be used for mixing all raw materials.

Preferably, the gear support on fixed mounting fixed gear, double-end motor one end fixed connection stirring rocker, stirring rocker and fixed gear rotate to be connected, stirring rocker on rotate and connect the (mixing) shaft, (mixing) shaft one end fixed mounting stirring gear IV, fixed gear and the meshing of stirring gear IV, the (mixing) shaft other end fixed mounting stirring leaf, the stirring leaf is used for stirring mixed colloid raw materials, (mixing) shaft and gear support be ball pair connection.

Preferably, gear support on rotate and install stirring gear III, incomplete gear, gear shaft, stirring gear III and incomplete gear fixed connection, double-end motor other end fixed connection stirring gear II, stirring gear II and the meshing of stirring gear III, the one end fixed connection stirring gear I that is close to incomplete gear on the gear shaft, stirring gear I forms the cooperation with incomplete gear, the one end fixed connection cam piece of incomplete gear is kept away from to the gear shaft.

Preferably, fortune material transfer piece fixed connection on the bottom plate, fixed connection storage pipe, conveying pipeline on the fortune material transfer piece, rotate the installation tee bend valve post in the fortune material transfer piece, fixed mounting transposition gear II on the tee bend valve post sets up three perpendicular and pore that communicates on the tee bend valve post, makes three pore intermittent type and storage pipe, conveying pipeline, first agitator intercommunication through the rotation of tee bend valve post.

Preferably, the bottom plate on rotate and connect connecting rod II, rotate on connecting rod II and connect connecting rod I, connecting rod III, rotate on the connecting rod I and connect the gangbar, rotate on the connecting rod III and connect the push jack pole, push jack pole fixed mounting is on the push jack, push jack and storage pipe sliding connection.

Preferably, the bottom plate on the fixed cylinder of fixed connection, fixed connection snap ring I, snap ring II on the fixed cylinder, rotate on the bottom plate and connect transposition gear I, rotate the post, transposition gear I with rotate the post and pass through the belt and be connected, transposition gear I and transposition gear II meshing, the fixed cylinder on sliding connection sliding cylinder, the sliding cylinder on rotate and connect the gangbar, fixed connection spring I on the sliding cylinder, spring I other end fixed connection is on the fixed cylinder, fixed connection round pin post on the sliding cylinder, the rotation post on sliding connection sliding column, be provided with oblique circular arc spout on the sliding column, the round pin post cooperatees with oblique circular arc spout on the sliding column, sliding connection several flexible voussoir on the sliding column, fixed connection spring II on the flexible voussoir, spring II and sliding column fixed connection, the sliding column respectively with snap ring I, snap ring II intermittent type cooperation.

Preferably, the bottom plate on fixed connection agitator motor, secondary agitator, the last fixed connection secondary stirring leaf of agitator motor, the secondary stirring leaf rotates with the secondary agitator to be connected, fixed connection screen cloth support on the secondary agitator, fixed connection screen cloth board on the screen cloth support.

Preferably, the drying box is fixedly connected with a motor support, the motor support is fixedly connected with a crushing support and a crushing motor, the crushing motor is fixedly connected with a crank, the crank is rotatably connected with the crushing support, the crushing support is rotatably connected with an adjusting cross, the adjusting cross is rotatably connected with a crushing rocker frame, the crushing rocker frame is fixedly connected with the crushing balls, the crushing rocker frame is connected with a crank ball pair, and the screen plate is matched with the crushing balls.

Compared with the prior art, the invention has the beneficial effects that: (1) According to the raw material mixing device for producing the graphite carbon brush, the mixed colloid raw materials can be automatically conveyed into the drying box through the material conveying assembly, and manual operation is not needed; (2) According to the raw material mixing device for producing the graphite carbon brush, the grinding balls and the screen plate are arranged, dried hardened raw materials can be crushed and then filtered into the secondary stirring barrel, the working efficiency is improved, and the powder size is ensured to meet the requirement; (3) According to the raw material mixing device for producing the graphite carbon brush, the fixed gear, the stirring shaft, the stirring blade and the stirring gear IV are arranged, so that the colloid raw materials can be uniformly stirred, and the stirring quality is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention from a front view.

FIG. 3 is a right view of the overall structure of the present invention.

FIG. 4 is a partial structural schematic diagram of the present invention.

Fig. 5 is a schematic structural view of a fixed gear and an incomplete gear.

Fig. 6 is a schematic structural view of the material conveying assembly.

Fig. 7 is a partial structure diagram of the material transporting assembly.

Fig. 8 is a schematic structural view of the three-way valve post.

Fig. 9 is a schematic structural diagram of the sliding cylinder and the spring I.

Fig. 10 is a schematic view of a strut structure.

FIG. 11 is a sectional view of the slide cylinder, the fixed cylinder and the slide column.

Fig. 12 is a partially enlarged view of a portion a in fig. 11.

Fig. 13 is a schematic structural view of a secondary mixing assembly.

Fig. 14 is a sectional view of the secondary agitating barrel.

FIG. 15 is a schematic view of the structure of grinding rocker and grinding balls.

Reference numerals: 2-a material conveying assembly; 3-a secondary mixing assembly; 101-a base plate; 102-a drying box; 103-primary stirring barrel; 104-fixed gear; 105-a gear holder; 106-incomplete gear; 107-stirring shaft; 108-stirring gear I; 109-gear shaft; 110-a cam block; 111-stirring blades; 112-a double-ended motor; 113-stirring gear II; 114-stirring gear iii; 115-stirring gear IV; 116-a stirring rocker; 201-transporting material transfer block; 202-a storage pipe; 203-a material conveying pipe; 204-a transposition gear I; 205-transposed gear ii; 206-three-way valve post; 207-a belt; 208-a fixed cylinder; 209-linkage rod; 210-a sliding cylinder; 211-connecting rod I; 212-link II; 213-link III; 214-a pusher bar; 215-a push sheet; 216-spring I; 217-a strut; 218-a telescoping wedge; 219-rotating column; 220-pin; 221-spring II; 222-clasp I; 223-snap ring II; 301-a grinding motor; 302-grinding down the scaffold; 303-motor support; 304-a crank; 305-grinding rocker arm; 306-an adjustment cross; 307-grinding the balls; 308-screen plate; 309-screen support; 310-a secondary stirring barrel; 311-stirring motor; 312-Secondary stirring blade.

Detailed Description

The technical scheme of the invention is further explained by the specific embodiment in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and not for the purpose of limiting the same, the same is shown by way of illustration only and not in the form of limitation; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example (b): as shown in fig. 1 to 5, a material transporting assembly 2 and a secondary mixing assembly 3 are arranged on a bottom plate 101, a material transporting transfer block 201 is fixedly installed on the bottom plate 101, a primary stirring barrel 103 is fixedly installed on the material transporting transfer block 201, a drying box 102 is fixedly installed on the primary stirring barrel 103, a gear support 105 is fixedly installed on the primary stirring barrel 103, a fixed gear 104 and a double-headed motor 112 are fixedly installed on the gear support 105, one end of the double-headed motor 112 is fixedly connected with a stirring rocker 116, the stirring rocker 116 is rotatably connected with the fixed gear 104, a stirring shaft 107 is rotatably connected on the stirring rocker 116, a stirring gear iv 115 is fixedly installed at one end of the stirring shaft 107, the fixed gear 104 is meshed with the stirring gear iv 115, a stirring blade 111 is fixedly installed at the other end of the stirring shaft 107, the stirring blade 111 is used for stirring and mixing a colloidal material, the stirring shaft 107 is connected with the gear support 105 in a ball pair manner, a stirring gear iii 114, an incomplete gear 106 and a gear shaft 109 are rotatably installed on the gear support 105, the stirring gear iii 114 is fixedly connected with the incomplete gear 106, the other end of the double-headed motor 112 is fixedly connected with the stirring gear 113, the stirring gear 113 ii is meshed with the stirring gear 113, the gear 113 is fixedly connected with the gear shaft i, and the gear shaft 108 is away from the incomplete gear 106, and is incompletely matched with the incomplete stirring block 108, and the incomplete stirring block 109. Make stirring rocker 116 drive stirring gear IV 115 to rotate round fixed gear 104 through double-end motor 112 rotation, stirring gear IV 115 can the rotation make the (mixing) shaft 107 drive stirring leaf 111 rotate and carry out even stirring to the colloid raw materials simultaneously, in stirring rocker 116 pivoted, double-end motor 112 also can make stirring gear III 114 rotate, later incomplete gear 106 begins to mesh with I108 of stirring gear, make I108 of stirring gear rotate, along with the rotation of incomplete gear 106, later incomplete gear 106 again with I108 disconnection meshing of stirring gear, I108 of stirring gear can not rotate again.

As shown in fig. 5-12, a material transporting transfer block 201 is fixedly connected with a storage pipe 202 and a material transporting pipe 203, the material transporting transfer block 201 is rotatably provided with a three-way valve column 206, the three-way valve column 206 is fixedly provided with a transposition gear ii 205, the three-way valve column 206 is provided with three vertical and communicated pore channels, the three pore channels are intermittently communicated with the storage pipe 202, the material transporting pipe 203 and a primary stirring barrel 103 through the rotation of the three-way valve column 206, a bottom plate 101 is rotatably connected with a connecting rod ii 212, the connecting rod ii 212 is rotatably connected with a connecting rod i 211 and a connecting rod iii 213, the connecting rod i 211 is rotatably connected with a linkage rod 209, the connecting rod iii 213 is rotatably connected with a push rod 214, the push rod 214 is fixedly arranged on a push sheet 215, the push sheet 215 is slidably connected with the storage pipe 202, the bottom plate 101 is fixedly connected with a fixing cylinder 208, the fixing cylinder 208 is fixedly connected with a snap ring i 222 and a snap ring ii 223, the bottom plate 101 is rotatably connected with a transposition gear I204 and a rotating column 219, the transposition gear I204 is connected with the rotating column 219 through a belt 207, the transposition gear I204 is meshed with a transposition gear II 205, a fixed cylinder 208 is slidably connected with a sliding cylinder 210, the sliding cylinder 210 is rotatably connected with a linkage rod 209, the sliding cylinder 210 is fixedly connected with a spring I216, the other end of the spring I216 is fixedly connected with the fixed cylinder 208, the sliding cylinder 210 is fixedly connected with a pin column 220, the rotating column 219 is slidably connected with a sliding column 217, the sliding column 217 is provided with an inclined arc chute, the pin column 220 is matched with the inclined arc chute on the sliding column 217, the sliding column is slidably connected with a plurality of telescopic wedges 218, the telescopic wedges 218 are fixedly connected with a spring II 221, the spring II 221 is fixedly connected with the sliding column 217, and the sliding column 217 is respectively and intermittently matched with a snap ring I222 and a snap ring II 223. With the rotation of the cam block 110, the cam block 110 presses down the connecting rod i 211, the connecting rod i 211 presses down the linkage rod 209 and the connecting rod ii 212, at this time, the connecting rod ii 212 drives the connecting rod iii 213 to push the pushing rod 214, the pushing rod 214 drives the pushing piece 215 to push away the gum raw material stored in the storage pipe 202, due to the downward pressing of the linkage rod 209, the sliding cylinder 210 moves downwards, the spring i 216 is compressed when the sliding cylinder 210 moves downwards, the pin column 220 applies a downward force to the sliding column 217, because the telescopic wedge 218 is located above the snap ring i 222 at this time, the sliding column 217 is provided with an oblique arc chute, the sliding column 217 rotates to give way the pin column 220 first, so that the pin column 220 moves downwards along with the sliding cylinder 210, the sliding column 217 rotates to drive the rotating column 219 to rotate, the rotating column 219 enables the transposition gear I204 to drive the transposition gear II 205 to rotate through the belt 207, the transposition gear II 205 drives the three-way valve column 206 to rotate 90 degrees, at the moment, a hole channel on the three-way valve column 206 is not communicated with the primary stirring barrel 103, therefore, when the push sheet 215 pushes, the colloid raw material reaches the material conveying pipe 203 through the material conveying middle rotating block 201, then is conveyed into the drying box 102 for drying, when the pin column 220 slides to the other end of the inclined arc chute on the sliding column 217, the sliding column 217 cannot rotate any more, at the moment, the spring II 221 starts to be compressed, the telescopic wedge block 218 retracts, the telescopic wedge block 218 passes through the clamping ring I222, then the telescopic wedge block 218 passes through the clamping ring II 223 again, and then the sliding cylinder 210 and the push sheet 215 stop moving along with the connecting rod I211; when the cam block 110 rotates the abdicating connecting rod i 211, due to the action of the spring i 216, the sliding cylinder 210 is jacked up, that is, the connecting rod i 211 is always lifted up to be attached to the cam block 110, at this time, the push plate 215 is reset to be retracted, when the sliding cylinder 210 is lifted up, since the telescopic wedge 218 is abutted to the snap ring ii 223, similarly, the sliding column 217 starts to rotate reversely first, so that the rotating column 219 drives the transposition gear i 204 to drive the transposition gear ii 205 to rotate reversely through the belt 207, the transposition gear ii 205 drives the three-way valve column 206 to rotate reversely by 90 degrees, at this time, the hole on the three-way valve column 206 is not communicated with the delivery pipe 203, but the three-way valve column 206 is communicated with the primary stirring barrel 103, when the push plate 215 retracts, the push plate 215 can suck the colloidal material in the primary stirring barrel 103 into the storage pipe 202, and then the sliding cylinder 210 drives the sliding column 217 to move upwards until the telescopic wedge 218 passes over the snap ring i 222 to stop.

As shown in fig. 12-fig. 15, a stirring motor 311 and a secondary stirring barrel 310 are fixedly connected to the bottom plate 101, a secondary stirring blade 312 is fixedly connected to the stirring motor 311, the secondary stirring blade 312 is rotatably connected to the secondary stirring barrel 310, a screen support 309 is fixedly connected to the secondary stirring barrel 310, a screen plate 308 is fixedly connected to the screen support 309, a motor support 303 is fixedly connected to the drying box 102, a grinding support 302 and a grinding motor 301 are fixedly connected to the motor support 303, a crank 304 is fixedly connected to the grinding motor 301, the crank 304 is rotatably connected to the grinding support 302, an adjusting cross 306 is rotatably connected to the grinding support 302, a grinding rocker 305 is rotatably connected to the adjusting cross 306, the grinding rocker 305 is fixedly connected to the grinding balls 307, the grinding rocker 305 is connected to the crank 304 ball pair, and the screen plate 308 is matched with the grinding balls 307. The dried colloidal raw materials in the drying box 102 are discharged and fall into the screen plate 308, at this time, the colloidal raw materials are in a hardened state, the grinding rocker 305 swings through the rotation of the grinding motor 301, so that the adjusting cross frame 306 continuously shakes to grind the hardened colloidal raw materials in the screen plate 308, fine meshes are arranged on the screen plate 308, the ground colloidal raw materials can fall into the secondary stirring barrel 310, and then the rest raw materials are added into the secondary stirring barrel 310 and are uniformly mixed through the secondary stirring blade 312.

The working principle is as follows: firstly, adding a proper amount of raw materials for preparing colloid powder into a primary stirring barrel 103, then driving a stirring blade 111 to uniformly stir the raw materials through a double-end motor 112, simultaneously driving a stirring gear II 113 to rotate by the double-end motor 112, when the stirring of the stirring blade 111 is finished, an incomplete gear 106 is just meshed with a stirring gear I108, at the moment, the stirring blade 111 continues to stir, a stirring gear I108 drives a cam block 110 to rotate, the cam block 110 rotates to press a connecting rod I211 downwards, so that a three-way valve column 206 is switched, then a pushing sheet 215 pushes the stirred colloid raw materials into a drying box 102 through a material conveying transfer block 201 and a material conveying pipe 203 for drying treatment, when the cam block 110 rotates to be far away from the connecting rod I211, the three-way valve column 206 can reset due to the action of a spring I216, then the pushing sheet 215 sucks the colloid raw materials stirred in the primary stirring barrel 103 into a material storage pipe 202, and repeats until the colloid raw materials in the primary stirring barrel 103 are conveyed into the drying box 102, then the incomplete gear 106 is meshed with the stirring gear 108, namely, the first three-way stirring barrel 103 seals a new discharging wheel, and then a new material feeding wheel begins; when the colloid raw material is dried in the drying box 102 and discharged to fall into the screen plate 308, the hardened colloid raw material blocks are crushed by the crushing ball 307, fall into the secondary stirring barrel 310 through the fine screen of the screen support 309, and then the rest raw materials are added into the secondary stirring barrel 310, the stirring motor 311 is started to start the final stirring, and then the mixed raw material for manufacturing the graphite carbon brush is obtained.

The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception and fall within the scope of the present invention.

Claims

1. The utility model provides a raw materials mixing arrangement is used in graphite carbon brush production which characterized in that: including bottom plate (101), first agitator (103), bottom plate (101) on install fortune material subassembly (2), be provided with fortune material transfer block (201), storage pipe (202), conveying pipeline (203) on fortune material subassembly (2), be used for transporting the colloid raw materials, first agitator (103) fixed mounting on fortune material transfer block (201), on conveying pipeline (203) other end is connected to stoving case (102), stoving case (102) fixed mounting is on first agitator (103), first agitator (103) on fixed mounting gear bracket (105), swing joint stirring leaf (111) are used for stirring the colloid raw materials on gear bracket (105), bottom plate (101) on install secondary mixing subassembly (3), secondary mixing subassembly (3) on be provided with crushing ball (307), sieve plate (308) for pulverize, screen colloid raw materials, secondary mixing subassembly (3) on be provided with secondary agitator (310), secondary stirring leaf (312) for mix all raw materialss.

2. The raw material mixing device for producing the graphite carbon brush according to claim 1, characterized in that: fixed mounting fixed gear (104), double-end motor (112) on gear support (105), double-end motor (112) one end fixed connection stirring rocker (116), stirring rocker (116) rotate with fixed gear (104) and are connected, stirring rocker (116) on rotate and connect (mixing) shaft (107), (mixing) shaft (107) one end fixed mounting stirring gear IV (115), fixed gear (104) and stirring gear IV (115) mesh, (mixing) shaft (107) other end fixed mounting stirring leaf (111), stirring leaf (111) are used for stirring and mix the colloid raw materials, (mixing) shaft (107) be connected for the ball pair with gear support (105).

3. The raw material mixing device for producing the graphite carbon brush according to claim 2, characterized in that: gear bracket (105) on rotate and install stirring gear III (114), incomplete gear (106), gear shaft (109), stirring gear III (114) and incomplete gear (106) fixed connection, double-end motor (112) other end fixed connection stirring gear II (113), stirring gear II (113) and the meshing of stirring gear III (114), gear shaft (109) go up and are close to one end fixed connection stirring gear I (108) of incomplete gear (106), stirring gear I (108) and incomplete gear (106) form the cooperation, one end fixed connection cam piece (110) of incomplete gear (106) are kept away from in gear shaft (109).

4. The raw material mixing device for producing the graphite carbon brush according to claim 1, characterized in that: fortune material transfer piece (201) fixed connection on bottom plate (101), fixed connection storage pipe (202) on fortune material transfer piece (201), conveying pipeline (203), it rotates installation three-way valve post (206) on fortune material transfer piece (201), fixed mounting transposition gear II (205) on three-way valve post (206), set up the pore of three perpendicular and intercommunication on three-way valve post (206), the rotation through three-way valve post (206) makes three pore intermittent type and storage pipe (202), conveying pipeline (203), first agitator (103) intercommunication.

5. The raw material mixing device for producing the graphite carbon brush according to claim 4, characterized in that: bottom plate (101) on rotate and connect connecting rod II (212), rotate on connecting rod II (212) and connect connecting rod I (211), connecting rod III (213), rotate on connecting rod I (211) and connect gangbar (209), rotate on connecting rod III (213) and connect push away piece pole (214), push away piece pole (214) fixed mounting is on push away piece (215), push away piece (215) and storage pipe (202) sliding connection.

6. The raw material mixing device for producing the graphite carbon brush according to claim 5, characterized in that: the automatic transmission mechanism is characterized in that a fixed cylinder (208) is fixedly connected to a bottom plate (101), a snap ring I (222) and a snap ring II (223) are fixedly connected to the fixed cylinder (208), a transposition gear I (204) and a rotating column (219) are connected to the fixed cylinder (208) in a rotating mode, the transposition gear I (204) is connected with the rotating column (219) through a belt (207), the transposition gear I (204) is meshed with a transposition gear II (205), the fixed cylinder (208) is connected with a sliding cylinder (210) in a sliding mode, a linkage rod (209) is connected to the sliding cylinder (210) in a sliding mode, a spring I (216) is fixedly connected to the sliding cylinder (210), the other end of the spring I (216) is fixedly connected to the fixed cylinder (208), a pin column (220) is fixedly connected to the sliding cylinder (210), a sliding column (217) is connected to the rotating column (219) in a sliding mode, an inclined arc chute is arranged on the sliding column (217), the pin column (220) is matched with an inclined arc chute on the sliding column (217), a plurality of telescopic columns (218) are connected with telescopic columns (218), a wedge blocks (218) are fixedly connected with a wedge block I (221), and a spring II) is connected with the snap ring (222) and a snap ring (217) and a wedge block (217) is connected with the fixed column (217) and a spring (217) and a snap ring (223) and a wedge block (217) and a wedge block (221).

7. The raw material mixing device for producing the graphite carbon brush according to claim 1, characterized in that: the stirring device is characterized in that a stirring motor (311) and a secondary stirring barrel (310) are fixedly connected to the bottom plate (101), a secondary stirring blade (312) is fixedly connected to the stirring motor (311), the secondary stirring blade (312) is rotatably connected with the secondary stirring barrel (310), a screen support (309) is fixedly connected to the secondary stirring barrel (310), and a screen plate (308) is fixedly connected to the screen support (309).

8. The raw material mixing device for producing the graphite carbon brush according to claim 7, characterized in that: the drying box (102) is fixedly connected with a motor support (303), the motor support (303) is fixedly connected with a grinding support (302) and a grinding motor (301), the grinding motor (301) is fixedly connected with a crank (304), the crank (304) is rotatably connected with the grinding support (302), the grinding support (302) is rotatably connected with an adjusting cross (306), the adjusting cross (306) is rotatably connected with a grinding rocking bar frame (305), the grinding rocking bar frame (305) is fixedly connected with grinding balls (307), the grinding rocking bar frame (305) is connected with a ball pair of the crank (304), and the screen plate (308) is matched with the grinding balls (307).