CN211807884U

CN211807884U - Multi-stage variable speed double extruder

Info

Publication number: CN211807884U
Application number: CN201922474301.9U
Authority: CN
Inventors: 欧阳晓标; 张磊; 李日江; 陈永明; 彭桂鑫
Original assignee: Shenzhen Yuntu Chuangzhi Technology Co ltd
Current assignee: Shenzhen Yuntu Chuangzhi Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-30
Anticipated expiration: 2029-12-31

Abstract

The utility model provides a two extruders of multistage variable speed, two extruders of multistage variable speed are installed on the guide rail frame of 3D printer, two extruders of multistage variable speed include casing, the multistage variable speed transmission of gear, motor, passage joint, the inside multistage variable speed transmission of gear that is equipped with of casing, motor output shaft with the multistage variable speed transmission of gear is connected, the casing both ends are equipped with the feed inlet, passage joint one end is inserted in the feed inlet at casing both ends, in wire rod one end passes the feed inlet of passage joint and casing one end to extend to the feed inlet of the casing other end, and wear out the passage joint outside, the beneficial effects of the utility model reside in that: a motor forms two modes of extruding through gear multistage variable transmission, and multilayer reinforcement and fixed direction, it is more stable to extrude the structure, and the pay-off is faster, and the direction is done to two springs through hand sliding block, in addition use U type bearing, can quick replacement wire rod.

Description

Multi-stage variable speed double extruder

[ technical field ] A method for producing a semiconductor device

The utility model relates to a 3D printer technical field especially relates to an use two extruders of multistage variable speed on 3D printer.

Background of the inventiona 3D printer (3D Printers) is a unique printer designed by a utility model named enricho Dini (Enrico Dini) and can print not only a complete building but also the shape of any required article for astronauts even on a space shuttle. The 3D printer is also called as a three-dimensional printer, namely a machine of a rapid prototyping technology, which is a technology for constructing an object by using adhesive materials such as powdered metal or plastic and the like and by a layer-by-layer printing mode on the basis of a digital model file, is an accumulative manufacturing technology, manufactures a three-dimensional object by printing the adhesive materials layer by layer, and has the basic principle that data and raw materials are put into the 3D printer, and the machine manufactures the product layer by layer according to a program, so that the printed product can be used immediately;

because current 3D printer all adopts single Z axle to go up and down, its equilibrium is not good, extrudes the subassembly moreover and separately sets up with the heat dissipation, and its radiating effect is not good.

[ Utility model ] content

The utility model aims to solve because current 3D printer all adopts single Z axle to go up and down, its equilibrium is not good, extrudes the subassembly moreover and separately sets up with the heat dissipation, the not good not enough and a neotype two extruders of multistage variable speed that provide of its radiating effect.

The utility model discloses a realize through following technical scheme:

the utility model provides a two extruders of multistage variable speed, two extruders of multistage variable speed are installed on the guide rail frame of 3D printer, two extruders of multistage variable speed include casing, the multistage variable speed transmission of gear, motor, passage joint, the inside multistage variable speed transmission of gear that is equipped with of casing, motor output shaft with the multistage variable speed transmission of gear is connected, the casing both ends are equipped with the feed inlet, passage joint one end is inserted in the feed inlet at casing both ends, in wire rod one end passes the feed inlet of passage joint and casing one end to extend to the feed inlet of the casing other end, and wear out the passage joint outside.

Further, the shell comprises a bottom cover plate, a middle cover plate and a top cover plate, the bottom cover plate is arranged on the left side of the bottom cover plate, the top cover plate is arranged on the right side of the middle cover plate, the top cover plate is fixed on the middle cover plate through a mounting nut, a sliding groove is arranged below the front side of the middle cover plate, a sliding block is arranged in the sliding groove, and the sliding block can move up and down in the sliding groove.

Further, the gear multistage variable speed transmission device comprises a driving pinion, a driven pinion, a large gear, a U-shaped bearing support, a U-shaped bearing, a gear shaft and a spring, wherein the driving pinion is arranged on a middle layer cover plate, the output shaft of the motor is connected with the driving pinion, the large gear is respectively arranged on two sides of the upper part of the middle layer cover plate, the teeth of the large gear are meshed with the teeth of the driving pinion, the driven pinion is arranged between the two large gears, the teeth of the driven pinion are meshed with the large gear respectively, the U-shaped bearing support is arranged on the front surface of the middle layer cover plate, round holes are arranged at two ends of the U-shaped bearing support, the gear shaft is connected with the large gear through the round holes at two ends of the U-shaped bearing support, the large gear is fixed on the middle, a spring is arranged between the U-shaped bearing support and the U-shaped bearing, the driving pinion is fixed below the middle layer cover plate through a gear shaft, and the driven pinion is fixed above the middle layer cover plate through a gear shaft.

Furthermore, a material guide pipe is arranged in the material inlet of the shell and plays a role in smooth material guide and wear resistance.

Further, the number of teeth of the driving pinion and the driven pinion is 22.

Further, the number of teeth of the large gear is 66.

The beneficial effects of the utility model reside in that:

(1) the structure is simple, the use is convenient, and the operation is simple;

(2) the two sides of the shell are provided with feed inlets, the feed inlet of the shell is internally provided with a material guide pipe, and the material guide pipe plays a role in smooth material guide and wear resistance;

(3) a motor forms two modes of extruding through gear multistage variable transmission, and multilayer reinforcement and fixed direction, it is more stable to extrude the structure, and the pay-off is faster, and the direction is done to two springs through hand sliding block, in addition use U type bearing, can quick replacement wire rod.

[ description of the drawings ]

FIG. 1 is a schematic structural view of a multi-speed double extruder of the present invention;

FIG. 2 is a schematic structural view of the side surface of the multi-speed double-extruder of the present invention;

FIG. 3 is a schematic view of the multi-stage variable-speed dual extruder of the present invention;

FIG. 4 is a schematic structural view of the multi-speed double extruder of the present invention without the bottom cover plate and the top cover plate;

FIG. 5 is a schematic structural view of the multistage variable-speed twin-extruder of the present invention with the bottom cover plate removed and the top cover plate removed;

reference numerals: 1. a multi-stage variable speed twin extruder; 11. a housing; 110. a bottom cover plate; 111. a middle layer cover plate; 112. a top cover plate; 113. a chute; 114. a slider; 12. a geared multi-speed transmission; 120. a drive pinion; 121. a driven pinion gear; 122. a bull gear; 123. a U-shaped bearing bracket; 124. a U-shaped bearing; 125. a gear shaft; 126. a spring; 13. a motor; 14. a material guide pipe joint; 15. a feed inlet; 16. a material guide pipe; 2. and (3) wire rods.

[ detailed description ] embodiments

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1, 2, 3, 4, and 5, a multi-stage variable speed dual extruder is installed on a guide rail frame of a 3D printer, and includes a housing, a gear multi-stage variable speed transmission device, a motor, and a material guide pipe joint, the housing is internally provided with the gear multi-stage variable speed transmission device, an output shaft of the motor is connected with the gear multi-stage variable speed transmission device, two ends of the housing are provided with material inlets, one end of the material guide pipe joint is inserted into the material inlets at two ends of the housing, and one end of a wire rod passes through the material guide pipe joint and the material inlet at one end of the housing, extends to the material inlet at the other end of the housing, and penetrates through the outside of the material guide pipe joint.

Preferably, the shell comprises a bottom cover plate, a middle cover plate and a top cover plate, the bottom cover plate is arranged on the left side of the bottom cover plate, the top cover plate is arranged on the right side of the middle cover plate, the top cover plate is fixed on the middle cover plate through a mounting nut, a sliding groove is arranged below the front side of the middle cover plate, a sliding block is arranged in the sliding groove, and the sliding block can move up and down in the sliding groove.

Preferably, the gear multistage variable transmission device comprises a driving pinion, a driven pinion, a gearwheel, a U-shaped bearing support, a U-shaped bearing, a gear shaft and a spring, wherein the driving pinion is arranged on a middle cover plate, the output shaft of the motor is connected with the driving pinion, the gearwheel is respectively arranged on two sides of the upper part of the middle cover plate, the teeth of the gearwheel and the teeth of the driving pinion are mutually meshed, the driven pinion is arranged between the two gearwheels, the teeth of the driven pinion are respectively mutually meshed with the gearwheel, the U-shaped bearing support is arranged on the front surface of the middle cover plate, round holes are arranged at two ends of the U-shaped bearing support, the gear shaft is connected with the gearwheel through the round holes at two ends of the U-shaped bearing support, the gearwheel is fixed on the middle cover plate, the U-shaped bearing is arranged on the U-shaped bearing support, and the spring is arranged, the driving pinion is fixed below the middle layer cover plate through a gear shaft, and the driven pinion is fixed above the middle layer cover plate through a gear shaft.

Preferably, a material guide pipe is arranged in the material inlet of the shell and plays a role in smooth material guide and wear resistance.

Preferably, the number of teeth of the driving pinion and the driven pinion is 22.

Preferably, the number of teeth of the large gear is 66.

Appropriate changes and modifications to the embodiments described above will become apparent to those skilled in the art from the disclosure and teachings of the foregoing description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. The utility model provides a two extruders of multistage variable speed, two extruders of multistage variable speed install on the guide rail frame of 3D printer its characterized in that: the multi-stage variable-speed double extruder comprises a shell, a gear multi-stage variable-speed transmission device, a motor and a material guide pipe joint, wherein the gear multi-stage variable-speed transmission device is arranged inside the shell, an output shaft of the motor is connected with the gear multi-stage variable-speed transmission device, feed inlets are formed in two ends of the shell, one end of the material guide pipe joint is inserted into the feed inlets at two ends of the shell, and one end of a wire rod penetrates through the feed inlets at one ends of the material guide pipe joint and the shell and extends to the feed inlet at the other end of the shell and penetrates out of.

2. The multi-speed twin extruder of claim 1, wherein: the shell comprises a bottom cover plate, a middle cover plate and a top cover plate, wherein the bottom cover plate is arranged on the left side of the bottom cover plate, the top cover plate is arranged on the right side of the middle cover plate, the top cover plate is fixed on the middle cover plate through a mounting nut, a sliding groove is arranged below the front side of the middle cover plate, a sliding block is arranged in the sliding groove, and the sliding block can move up and down in the sliding groove.

3. The multi-speed twin extruder of claim 1, wherein: the gear multistage variable-speed transmission device comprises a driving pinion, a driven pinion, a gearwheel, a U-shaped bearing support, a U-shaped bearing, a gear shaft and a spring, wherein the driving pinion is arranged on a middle-layer cover plate, the output shaft of a motor is connected with the driving pinion, the gearwheel is respectively arranged on two sides of the upper part of the middle-layer cover plate, the teeth of the gearwheel and the teeth of the driving pinion are mutually meshed, the driven pinion is arranged between the two gearwheels, the teeth of the driven pinion are respectively mutually meshed with the gearwheel, the U-shaped bearing support is arranged on the front surface of the middle-layer cover plate, round holes are arranged at two ends of the U-shaped bearing support, the gear shaft is connected with the gearwheel through the round holes at two ends of the U-shaped bearing support, the gearwheel is fixed on the middle-layer cover plate, the U-shaped bearing is arranged on the, the driving pinion is fixed below the middle layer cover plate through a gear shaft, and the driven pinion is fixed above the middle layer cover plate through a gear shaft.

4. The multi-speed twin extruder of claim 1, wherein: a material guide pipe is arranged in the feed inlet of the shell and plays a role in guiding materials and resisting wear smoothly.

5. The multi-speed twin extruder of claim 3, wherein: the number of teeth of the driving pinion and the driven pinion is 22.

6. The multi-speed twin extruder of claim 3, wherein: the number of teeth of the bull gear is 66.