Three-screw mixing extruder for printer carbon powder production

Abstract

The utility model discloses a three-screw mixing extruder for printer carbon powder production, which comprises a three-screw mixing extruder body, a feeding hopper is fixedly mounted at the feeding position of the three-screw mixing extruder body, and the three-screw mixing extruder body is driven by controlling a pushing plate to lift up and down in a reciprocating manner. Raw materials in the feeding hopper can be pushed and extruded in the reciprocating lifting process of the material pushing plate, and pigments are driven to enter the three-screw mixing extruder body, so that the feeding efficiency of the raw materials is improved, and the mixing and extruding efficiency of the three-screw mixing extruder body on the printer carbon powder raw materials is improved; strip-shaped extruded materials which are just discharged are supported through the rotating rollers, the situation that the extruded materials are broken under the action of the gravity of the extruded materials is prevented, meanwhile, the rotating rollers are driven by the motor to rotate, the extruded materials can be stably conveyed, meanwhile, the extruded materials are subjected to air blowing and heat dissipation through the fan, and heat dissipation is conducted on the extruded materials. The strength of the extruded material during discharging is improved, and the extruded material is further prevented from being broken.

Description

TECHNICAL FIELD

[0001] The utility model relates to printer carbon powder production technical field, concretely is a kind of three screw rod mixing extruder for printer carbon powder production. BACKGROUND

[0002] Three screw rod mixing extruder is a new type of extruder developed on the basis of double screw, compared with double screw, three screw rod mixing extruder has longer residence time, stronger mixing performance and lower energy consumption, and has the characteristics of further reducing energy consumption, greater exhaust capacity and better mixing capacity, etc., and is used for mixing and extruding printer carbon powder raw materials in printer carbon powder production process.

[0003] The composition of printer toner mainly includes resin, carbon black, magnetic iron oxide, charge control particles, lubricant, hot melt plastic, etc., since there is certain tension between printer toner raw materials, the raw materials are easily blocked in the discharge port of feeding hopper when discharging through the feeding hopper, so the raw materials inside the feeding hopper need to be stirred, which affects the working efficiency of the extruder, and at the same time, the material just discharged from the three screw rod mixing extruder is too soft, and is broken under the action of gravity at the discharge port, which affects the continuous processing of the extruded material. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a three screw rod mixing extruder for printer carbon powder production to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a three screw rod mixing extruder for printer carbon powder production, which comprises a three screw rod mixing extruder body, a feeding hopper is fixedly installed at the feeding position of the three screw rod mixing extruder body, a pushing plate is slidably installed inside the feeding hopper, mounting blocks are symmetrically installed on both sides of the discharging position of the three screw rod mixing extruder body, a fixed shaft is rotatably and slidably installed between the two mounting blocks, a mounting bracket is fixedly installed at the middle part of the fixed shaft, and a rotating roller is rotatably installed at the middle part of the mounting bracket.

[0006] As a further preferred embodiment of the present technical solution, a rotating rod is rotatably installed at the middle part of one side of the feeding hopper, a disc is fixedly installed at one end of the rotating rod, a connecting rod is eccentrically rotatably installed at the side of the disc away from the rotating rod, one end of the connecting rod away from the disc is rotatably connected to the middle part of the pushing plate, a guide rod is fixedly installed at the middle part of the pushing plate, a guide groove is formed in the inner wall of the feeding hopper corresponding to the position of the guide rod, and the guide groove is slidably connected with the guide rod.

[0007] As a further preferred of the technical solution, the first belt pulley is fixedly installed at one end of the rotating rod away from the disc, the second belt pulley is fixedly installed on the output shaft of the three-screw mixing extruder body, and the transmission belt is transmissionally installed between the second belt pulley and the first belt pulley.

[0008] As a further preferred of the technical solution, the fixed blocks are symmetrically fixedly installed at both sides of the discharge end of the three-screw mixing extruder body, the slide rods are slidably installed in the fixed blocks, one end of each slide rod is fixedly connected with the mounting block, the U-shaped frames are fixedly installed at one end of each slide rod away from the mounting block, the electric push rod is fixedly installed at the top of the three-screw mixing extruder body, and the moving end of the electric push rod is fixedly connected with the middle part of the U-shaped frame.

[0009] As a further preferred of the technical solution, the rotating roller is rotatably installed at the middle part of the mounting frame through the bearing, the motor is fixedly installed at the position corresponding to the rotating roller on one side of the mounting frame, and the output end of the motor is fixedly connected with one end of the rotating roller.

[0010] As a further preferred of the technical solution, the clamping block is fixedly installed at one end of the fixed shaft, the clamping groove is formed in one side of the mounting block, the clamping groove is slidably connected with the clamping block, the spring is arranged on the outer side of one end of the fixed shaft away from the clamping block, one end of the spring is fixedly connected with one end of the fixed shaft away from the clamping block, and the other end of the spring is abutted with one side of the mounting block close to the spring.

[0011] As a further preferred of the technical solution, the mounting plate is fixedly installed at the top of the mounting frame, and the fans are equidistantly fixedly installed at the middle part of the mounting plate.

[0012] The utility model provides a kind of three-screw mixing extruder for printer carbon powder production, with following

[0013] Beneficial effects:

[0014] (1) the utility model discloses a kind of printer carbon powder raw materials are poured into the inside of feed hopper, raw materials will enter the inside of three-screw mixing extruder body by the discharge position of feed hopper, in the discharging process of raw materials, reciprocating lifting is controlled to push plate, raw materials in the inside of feed hopper can be pushed and extruded in the reciprocating lifting process of push plate, which drives pigment to enter the inside of three-screw mixing extruder body, improve the feeding efficiency of raw materials, improve the mixing extrusion efficiency of three-screw mixing extruder body to printer carbon powder raw materials.

[0015] (2)The utility model discloses a mixing extrusion material of printer carbon powder raw material is discharged, and the strip extrusion material is above the rotating roller, and the strip extrusion material just after discharging is supported through the rotating roller, prevents the extrusion material from breaking under the action of gravity, and at the same time, the rotating roller is driven to rotate through the motor, and the extrusion material can be stably conveyed, and at the same time, the extrusion material is blown and cooled through the fan, and the extrusion material is cooled, the strength of the extrusion material is improved, and the extrusion material is further prevented from breaking. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the whole structure schematic diagram of the utility model; Figure 1 It is the enlarged view of A in the middle;

[0018] Figure 3 It is the partial section explosion structure schematic diagram of the utility model;

[0019] Figure 4 It is the partial section explosion structure schematic diagram of the utility model; Figure 3 It is the enlarged view of B in the middle;

[0020] Figure 5 It is the partial explosion structure schematic diagram of the utility model;

[0021] In the drawing: 1, three screw mixing extruder body;2, feed hopper;3, push plate;4, mounting block;5, fixed shaft;6, mounting frame;7, rotating roller;8, rotating rod;9, disc;10, connecting rod;11, guide rod;12, guide groove;13, first belt pulley;14, second belt pulley;15, transmission belt;16, fixed block;17, slide rod;18, U-shaped frame;19, electric push rod;20, motor;21, clamping block;22, clamping groove;23, spring;24, mounting plate;25, fan. DETAILED DESCRIPTION

[0022] The technical scheme in the utility model embodiment will be clearly and completely described below with the drawings in the utility model embodiment.

[0023] The utility model provides technical scheme: such as Figures 1 to 5As shown in the embodiment, a three-screw mixing extruder for printer toner production includes a three-screw mixing extruder body 1, a feeding hopper 2 is fixedly installed at the feeding position of the three-screw mixing extruder body 1 through bolts, the discharge position of the feeding hopper 2 is communicatively arranged with the feeding port of the three-screw mixing extruder body 1, a pushing plate 3 is slidingly installed inside the feeding hopper 2, mounting blocks 4 are symmetrically slidingly installed on both sides of the discharge position of the three-screw mixing extruder body 1, a fixed shaft 5 is rotatably and slidingly installed between the two mounting blocks 4, a mounting bracket 6 is fixedly installed at the middle part of the fixed shaft 5, a rotating roller 7 is rotatably installed at the middle part of the mounting bracket 6, various printer toner raw materials are poured into the inside of the feeding hopper 2, the raw materials will enter the inside of the three-screw mixing extruder body 1 through the discharge position of the feeding hopper 2, the pushing plate 3 reciprocatingly lifts during the discharging process of the raw materials, the pushing plate 3 reciprocatingly lifts to push and extrude the raw materials in the inside of the feeding hopper 2, which drives the pigments to enter the inside of the three-screw mixing extruder body 1, improves the feeding efficiency of the raw materials, improves the mixing and extruding efficiency of the three-screw mixing extruder body 1 on the printer toner raw materials, and the strip-shaped extruded material will be above the rotating roller 7 during the discharging of the mixed and extruded material of the printer toner raw materials, the rotating roller 7 supports the just-discharged strip-shaped extruded material to prevent the extruded material from being broken under its own gravity.

[0024] As shown in the embodiment, Figures 1 to 5 the feeding hopper 2 is rotatably installed at the middle part of one side through a bearing, one end of the rotating rod 8 is fixedly installed with a disc 9, the side away from the rotating rod 8 of the disc 9 is eccentrically rotatably installed with a connecting rod 10 through an axle pin, one end away from the disc 9 of the connecting rod 10 is rotatably connected with the middle part of the pushing plate 3 through an axle pin, the middle part of the pushing plate 3 is fixedly installed with a guide rod 11, the inner wall of the feeding hopper 2 is provided with a guide groove 12 corresponding to the position of the guide rod 11, and the guide groove 12 is slidingly connected with the guide rod 11.

[0025] The rotating rod 8 is driven to rotate, the connecting rod 10 is eccentrically installed at one side of the disc 9, the connection of the connecting rod 10 to the disc 9 and the pushing plate 3 drives the pushing plate 3 to reciprocatingly lift, and the guide rod 11 installed at the middle part of the pushing plate 3 slides in the guide groove 12 for positioning the pushing plate 3.

[0026] As shown in the embodiment, Figures 1 to 5 one end away from the disc 9 of the rotating rod 8 is fixedly installed with a first belt pulley 13, a second belt pulley 14 is fixedly installed on the output shaft of the three-screw mixing extruder body 1, and a transmission belt 15 is transmissionally installed between the second belt pulley 14 and the first belt pulley 13.

[0027] The operation of the three-screw mixing extruder body 1 drives the output shaft of the three-screw mixing extruder body 1 to rotate, and the transmission of the transmission belt 15 to the second belt pulley 14 and the first belt pulley 13 drives the rotating rod 8 to rotate.

[0028] As shown in Figures 1 to 5 , the three-screw mixing extruder body 1 is symmetrically fixed and installed with a fixed block 16 on both sides of the discharge end, a sliding rod 17 is slidingly installed in the fixed block 16, one end of the sliding rod 17 is fixedly connected with the mounting block 4, and a U-shaped frame 18 is fixedly installed on the end of the two sliding rods 17 away from the mounting block 4. The top of the three-screw mixing extruder body 1 is fixedly installed with an electric push rod 19, and the moving end of the electric push rod 19 is fixedly connected with the middle part of the U-shaped frame 18.

[0029] The movement of the U-shaped frame 18 driven by the electric push rod 19 can drive the sliding rod 17 to slide in the fixed block 16, and the distance between the rotating roller 7 and the discharge port of the three-screw mixing extruder body 1 can be adjusted.

[0030] As shown in Figures 1 to 5 , the rotating roller 7 is rotatably installed in the middle of the mounting bracket 6 through a bearing, and a motor 20 is fixedly installed on one side of the mounting bracket 6 corresponding to the position of the rotating roller 7. The output end of the motor 20 is fixedly connected with one end of the rotating roller 7, and the rotating speed of the rotating roller 7 is equal to the discharge rate of the extruded material.

[0031] The rotation of the rotating roller 7 driven by the motor 20 can stably convey the extruded material.

[0032] As shown in Figures 1 to 5 , one end of the fixed shaft 5 is fixedly installed with a clamping block 21, one side of one of the mounting blocks 4 is provided with a clamping groove 22, the clamping groove 22 is slidingly connected with the clamping block 21, and the outer side of the end of the fixed shaft 5 away from the clamping block 21 is sleeved with a spring 23. One end of the spring 23 is fixedly connected with the end of the fixed shaft 5 away from the clamping block 21, and the other end of the spring 23 is abutted with the side of the mounting block 4 close to the spring 23.

[0033] By pulling the fixed shaft 5 to slide between the two mounting blocks 4, the clamping block 21 slides out of the clamping groove 22, and at this time the spring 23 is in a compressed state. Then rotate the fixed shaft 5 between the two mounting blocks 4, and then push the end of the fixed shaft 5 through the spring 23 to drive the clamping block 21 to be clamped into the inside of the clamping groove 22, which is used for controlling the angle of the mounting bracket 6 and changing the angle between the several rotating rollers 7. The discharge angle of the extruded material can be adjusted, which is convenient for adjusting the angle of the extruded material entering the water cooling device.

[0034] As shown in Figures 1 to 5 , the top of the mounting bracket 6 is fixedly installed with a mounting plate 24, and the middle part of the mounting plate 24 is fixedly installed with a fan 25.

[0035] The fan 25 blows air on the extruded material to dissipate heat, improve the strength of the extruded material, and further prevent the extruded material from breaking.

[0036] The utility model provides a printer carbon powder production with three screw mixing extruder, specific working principle is as follows:

[0037] When using, various printer carbon powder raw materials are poured into the feeding hopper 2, the raw materials enter the inside of the three screw mixing extruder body 1 through the discharge position of the feeding hopper 2, and in the discharging process of the raw materials, the operation of the three screw mixing extruder body 1 drives the rotation of the output shaft of the three screw mixing extruder body 1, the transmission of the second belt pulley 14 and the first belt pulley 13 through the transmission belt 15 drives the rotation of the rotating rod 8, the connecting rod 10 is eccentrically installed on one side of the disc 9, and the connecting rod 10 is connected with the disc 9 and the push plate 3, which drives the push plate 3 to reciprocatingly lift, the guide rod 11 installed in the middle of the push plate 3 slides in the guide groove 12, and is used for positioning the push plate 3, the push plate 3 reciprocatingly lifts, pushes and extrudes the raw materials in the feeding hopper 2, drives the pigment into the inside of the three screw mixing extruder body 1, improves the feeding efficiency of the raw materials, and improves the mixing and extruding efficiency of the three screw mixing extruder body 1 on the printer carbon powder raw materials.

[0038] When discharging the mixed and extruded material of the printer carbon powder raw materials, the strip-shaped extruded material is above the rotating roller 7, the rotating roller 7 supports the just discharged strip-shaped extruded material, prevents the extruded material from being broken under the action of its own gravity, at the same time, the rotating roller 7 is driven to rotate by the motor 20, the extruded material can be stably conveyed, at the same time, the fan 25 blows air on the extruded material to dissipate heat, improves the strength of the extruded material, and further prevents the extruded material from breaking.

[0039] Before discharging the extruded material, the fixed shaft 5 is slid between the two mounting blocks 4, the clamping block 21 slides out of the clamping groove 22, at this time, the spring 23 is in a compressed state, then the fixed shaft 5 is rotated between the two mounting blocks 4, and then the clamping block 21 is clamped into the clamping groove 22 by the pushing of the end of the fixed shaft 5 by the spring 23, which is used for controlling the angle of the mounting frame 6, can change the angle between the several rotating rollers 7, and can adjust the discharging angle of the extruded material, so that the angle of the extruded material entering the water cooling device can be conveniently adjusted.

[0040] The U-shaped frame 18 is moved by the electric push rod 19, the sliding rod 17 can slide in the fixed block 16, and the distance between the rotating roller 7 and the discharge port of the three screw mixing extruder body 1 can be adjusted.

[0041] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A three-screw mixing extruder for printer toner production, comprising a three-screw mixing extruder body (1), a feeding hopper (2) is fixedly installed at a feeding position of the three-screw mixing extruder body (1), characterized in that: The inside of the feeding hopper (2) is slidably installed with a pushing plate (3), the discharge position of the three-screw mixing extruder body (1) is symmetrically installed with a mounting block (4), a fixed shaft (5) is rotatably and slidably installed between the two mounting blocks (4), the middle part of the fixed shaft (5) is fixedly installed with a mounting bracket (6), and the middle part of the mounting bracket (6) is rotatably installed with a rotating roller (7).

2. The three-screw mixing extruder for printer toner production according to claim 1, characterized in that: The middle part of one side of the feeding hopper (2) is rotatably installed with a rotating rod (8), one end of the rotating rod (8) is fixedly installed with a disc (9), the disc (9) is eccentrically rotatably installed with a connecting rod (10) away from the rotating rod (8), one end of the connecting rod (10) away from the disc (9) is rotatably connected with the middle part of the pushing plate (3), the middle part of the pushing plate (3) is fixedly installed with a guide rod (11), and the inner wall of the feeding hopper (2) is provided with a guide groove (12) corresponding to the position of the guide rod (11), and the guide groove (12) is slidably connected with the guide rod (11).

3. The three-screw mixing extruder for printer toner production according to claim 2, characterized in that: The end of the rotating rod (8) away from the disc (9) is fixedly installed with a first belt pulley (13), the output shaft of the three-screw mixing extruder body (1) is fixedly installed with a second belt pulley (14), and the second belt pulley (14) is transmissionally installed with a transmission belt (15) between the first belt pulley (13).

4. The three-screw mixing extruder for printer toner production according to claim 3, characterized in that: The discharge end of the three-screw mixing extruder body (1) is symmetrically fixedly installed with a fixed block (16), the inside of the fixed block (16) is slidably installed with a sliding rod (17), one end of the sliding rod (17) is fixedly connected with the mounting block (4), and the ends of the two sliding rods (17) away from the mounting block (4) are fixedly installed with a U-shaped bracket (18), the top of the three-screw mixing extruder body (1) is fixedly installed with an electric push rod (19), and the moving end of the electric push rod (19) is fixedly connected with the middle part of the U-shaped bracket (18).

5. The three-screw mixing extruder for printer toner production according to claim 1, characterized in that: The rotating roller (7) is rotatably installed in the middle part of the mounting bracket (6) through a bearing, and the side of the mounting bracket (6) corresponding to the position of the rotating roller (7) is fixedly installed with a motor (20), and the output end of the motor (20) is fixedly connected with one end of the rotating roller (7).

6. The three-screw mixing extruder for printer toner production according to claim 1, characterized in that: One end of the fixed shaft (5) is fixedly installed with a clamping block (21), one side of one of the mounting blocks (4) is provided with a clamping groove (22), the clamping groove (22) is slidably clamped with the clamping block (21), the outer side of the end of the fixed shaft (5) away from the clamping block (21) is sleeved with a spring (23), one end of the spring (23) is fixedly connected with the end of the fixed shaft (5) away from the clamping block (21), and the other end of the spring (23) is abutted with the side of the mounting block (4) close to the spring (23).

7. The three-screw mixing extruder for printer toner production according to claim 5, characterized in that: The top of the mounting bracket (6) is fixedly installed with a mounting plate (24), and the middle part of the mounting plate (24) is fixedly installed with a fan (25).

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