CN211616623U - A extruder for 3D printer - Google Patents
A extruder for 3D printer Download PDFInfo
- Publication number
- CN211616623U CN211616623U CN201922097608.1U CN201922097608U CN211616623U CN 211616623 U CN211616623 U CN 211616623U CN 201922097608 U CN201922097608 U CN 201922097608U CN 211616623 U CN211616623 U CN 211616623U
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- supporting plate
- wheel
- extrusion
- rotating
- pressing block
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- 238000001125 extrusion Methods 0.000 claims abstract description 37
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
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Abstract
An extruder for a 3D printer comprises a rack, and a stepping motor, a driving belt pulley, a driven belt pulley, a rotating wheel, an extrusion wheel, a screw feeding head and an extrusion gap adjusting mechanism which are arranged on the rack, wherein the rack comprises a rear supporting plate, a front supporting plate and a rotating pressing block; the rotating wheel and the extrusion wheel are arranged between the rear supporting plate and the front supporting plate and are arranged right and left, an extrusion gap is formed, and the extrusion gap adjusting mechanism is located above the front portion of the extrusion wheel. The utility model provides a simple structure, difficult card silk are used for extruder of 3D printer.
Description
Technical Field
The utility model belongs to the technical field of the 3D printer technique and specifically relates to an extruder for 3D printer is related to.
Background
The extruder of the existing 3D printer is complex in structure, the phenomenon that the wire feeding is abnormal often occurs, the complex structure can lead a user to be difficult to repair and replace equipment, the wire feeding is abnormal, the user is inconvenient to use, and the user needs to frequently go to arrange the equipment to work normally.
Disclosure of Invention
In order to overcome the defect that prior art exists, the utility model provides a simple structure, difficult card silk are used for the extruder of 3D printer.
The utility model provides a technical scheme that its technical problem adopted is:
an extruder for a 3D printer comprises a rack, and a stepping motor, a driving belt pulley, a driven belt pulley, a rotating wheel, an extrusion wheel, a filament feeding head and an extrusion gap adjusting mechanism which are arranged on the rack, wherein the rack comprises a rear supporting plate, a front supporting plate and a rotating pressing block, the front supporting plate and the rear supporting plate are connected through a supporting shaft, the rotating pressing block is rotatably arranged between the front supporting plate and the rear supporting plate through a rotating shaft, the stepping motor is arranged on the rear supporting plate, the driving belt pulley is arranged on a motor shaft of the stepping motor, the driven belt pulley is rotatably arranged on the rear side of the rear supporting plate through a rotating shaft, and the driving belt pulley is connected with the driven belt;
the rotating wheel and the extrusion wheel are arranged between the rear supporting plate and the front supporting plate and are arranged right and left oppositely, an extrusion gap is formed at the same time, the rotating wheel is arranged on the rotating shaft and is linked with the driven belt pulley, the extrusion wheel is rotatably arranged at the rear end of the wheel shaft, the circumference of the outer wall of the extrusion wheel is in an inwards concave arc shape, the front end of the wheel shaft is fixedly arranged on the rotary pressing block, the filament inlet head is positioned above the extrusion wheel and is arranged on the rotary pressing block, and the printing filament penetrates through the filament inlet head and the rotary pressing block from top to bottom and is clamped between the extrusion wheel and the;
the extrusion clearance adjusting mechanism is located the front upper side of extrusion wheel, and includes screw rod and spring, be equipped with horizontal through-hole on the rotatory briquetting, the screw rod passes this horizontal through-hole, and the right-hand member of screw rod is fixed on first connecting piece, and first connecting piece is fixed in the backup pad of back, the left end of screw rod is equipped with the nut, the spring suit is on the screw rod, and its left end top touches on the nut, and its right-hand member is connected with rotatory briquetting.
Further, step motor passes through the motor support and installs in the backup pad of back, first connecting piece is located the right side of swiveling wheel, first connecting piece is the member.
The beneficial effects of the utility model are that: simple structure and difficult wire clamping.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a plan view of the present invention.
Fig. 4 is a schematic view of the present invention for adjusting the extrusion gap, which does not include a front support plate.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 4, an extruder for a 3D printer includes a frame, and a stepping motor ①, a driving pulley ④, a driven pulley ⑥, a rotating wheel ⑩, a squeezing wheel ⑨, a yarn feeding head mounted on the frame
And an extrusion gap adjusting mechanism, the frame comprises a rear support plate ⑦ and a front support plate
And a rotary press block
The front supporting plate
With a rear support plate⑦ connected by a supporting shaft, the rotary pressing block
Rotatably mounted on the front support plate through a rotating shaft
The stepping motor ① is arranged on the rear supporting plate ⑦ between the rear supporting plate ⑦, a driving pulley ④ is arranged on a motor shaft ⑤ of the stepping motor, the driven pulley ⑥ is rotatably arranged on the rear side of the rear supporting plate ⑦ through a rotating shaft ⑧, and the driving pulley ④ is connected with the driven pulley ⑥ through a belt ① 0;
the rotating wheel ⑩ and the extrusion wheel are both arranged on the rear supporting plate ⑦ and the front supporting plate
The rotating wheel ⑩ is arranged on the rotating shaft ⑧ and linked with the driven belt pulley ⑥, the extrusion wheel ⑨ is rotatably arranged at the rear end of the wheel shaft, the circumference of the outer wall of the extrusion wheel ⑨ is in a concave arc shape, and the front end of the wheel shaft is fixedly arranged on the rotary pressing block
Upper, the thread inlet head
Positioned above the extrusion wheel and arranged on the rotary pressing block
Upper, printing wire
The thread inlet head is penetrated from top to bottom
Rotary pressing block
Through the nip and clamped between the pinch wheel ⑨ and the rotating wheel ⑩;
the extrusion gap adjusting mechanism is positioned in the front upper part of the extrusion wheel ⑨ and comprises a screw rod and a spring, and the rotary pressing block
Be equipped with horizontal through-hole on, the screw rod passes this horizontal through-hole, and the right-hand member of screw rod is fixed on first connecting piece, and first connecting piece is fixed on back backup pad ⑦, the left end of screw rod is equipped with the nut, spring suit is on the screw rod, and its left end top touches on the nut, and its right-hand member and rotatory briquetting
And (4) connecting.
Further, the step motor is mounted on the rear support plate through a motor bracket, the first connecting member is located on the right side of the rotary wheel, and the first connecting member is a rod member.
In this embodiment, the rear support plate ⑦ and the front support plate
Connected with each other by three supporting shafts, the rear ends of the three supporting shafts are fixed on the rear supporting plate ⑦, and the front ends of the three supporting shafts pass through the front supporting plate
And are connected through a screw respectively; rotary pressing block
Positioned at the left side of the three supporting shafts and rotating the pressing block
The lower end of the rotary shaft is rotatably arranged on the rotary shaft, and the front end and the rear end of the rotary shaft are respectively arranged on the front supporting plate
Between the rear supporting plate ⑦ and the rotary pressBlock
Is provided with a vertical through hole for printing the silk
The screw rod is positioned at the screw inlet head
So that it is in contact with the printing wire
Are staggered; the right end of the screw rod penetrates through the first connecting piece and is connected with the first connecting piece through a nut; the right end of the screw rod is arranged between two support shafts positioned at the upper side, and the spring gives a rotary pressing block
A pressure to the right for pressing the rotary block during the wire change
With a leftward force, the nip between the pinch roller ⑨ and the rotary wheel ⑩ becomes larger, thereby forcing the print wire to a higher tension
Quickly pass through the gap between two wheels, remove external force and make the spring give rotary press block again
A driven pulley ⑥ and a rotary wheel ⑩ are simultaneously arranged on the rotary shaft, and the front end and the rear end of the rotary shaft are respectively rotatably arranged on the front supporting plate
And a rear support plate ⑦.
The working principle of the utility model is as follows:
the stepper motor ① will drive the entire extruder to work, first, the rotation of the stepper motor ① will driveThe driving pulley ④ rotates, and the driving pulley ④ drives the driven pulley ⑥ to rotate via the belt ③. when the driven pulley ⑥ rotates, the rotating shaft drives the rotating wheel ⑩ to rotate, and when a printing wire is inserted into a wire head
Will print the filament, the pinch roller ⑨ will be in the guide hole
Pressed against the roller ⑩ to prevent printing of the filament
Disengaged from above, as the spinning wheel ⑩ is rotated, the pinch wheel ⑨ presses against the print wire
By the action of friction, the printing wire
Will move with the rotation of the pinch wheel ⑨ and the rotary wheel ⑩, and the stroke of the rotation is the printing wire
The distance of the filament discharge. By pushing rotary press blocks
When the printer rotates to a certain angle leftwards or rightwards, the extrusion wheel ⑨ on the printer also generates displacement change, so that the extrusion gap between the printer and the rotating wheel ⑩ is increased or decreased, the size of the extrusion gap is adjusted, and the support shaft can be fixed for printing wires
A certain wire feeding space can also lead the printing wire
And (4) discharging the filaments in a certain direction. To is pairThe requirement of wire feeding speed can meet the requirement of changing wire feeding to match the working of the printer only by adjusting the rotating speed of the stepping motor ① and transmitting the speed through the mechanism.
The above only is the preferred embodiment of the present invention, which does not limit the scope of the present invention, and the structure of the present invention, which is directly or indirectly applied to other related technical fields, is also included in the scope of the present invention.
Claims (2)
1. The utility model provides an extruder for 3D printer which characterized in that: the automatic wire feeding device comprises a rack, and a stepping motor, a driving belt pulley, a driven belt pulley, a rotating wheel, an extrusion wheel, a wire feeding head and an extrusion gap adjusting mechanism which are arranged on the rack, wherein the rack comprises a rear supporting plate, a front supporting plate and a rotating pressing block, the front supporting plate is connected with the rear supporting plate through a supporting shaft, the rotating pressing block is rotatably arranged between the front supporting plate and the rear supporting plate through a rotating shaft, the stepping motor is arranged on the rear supporting plate, the driving belt pulley is arranged on a motor shaft of the stepping motor, the driven belt pulley is rotatably arranged on the rear side of the rear supporting plate through a rotating shaft, and the driving;
the rotating wheel and the extrusion wheel are arranged between the rear supporting plate and the front supporting plate and are arranged right and left oppositely, an extrusion gap is formed at the same time, the rotating wheel is arranged on the rotating shaft and is linked with the driven belt pulley, the extrusion wheel is rotatably arranged at the rear end of the wheel shaft, the circumference of the outer wall of the extrusion wheel is in an inwards concave arc shape, the front end of the wheel shaft is fixedly arranged on the rotary pressing block, the filament inlet head is positioned above the extrusion wheel and is arranged on the rotary pressing block, and the printing filament penetrates through the filament inlet head and the rotary pressing block from top to bottom and is clamped between the extrusion wheel and the;
the extrusion clearance adjusting mechanism is located the front upper side of extrusion wheel, and includes screw rod and spring, be equipped with horizontal through-hole on the rotatory briquetting, the screw rod passes this horizontal through-hole, and the right-hand member of screw rod is fixed on first connecting piece, and first connecting piece is fixed in the backup pad of back, the left end of screw rod is equipped with the nut, the spring suit is on the screw rod, and its left end top touches on the nut, and its right-hand member is connected with rotatory briquetting.
2. The extruder for a 3D printer of claim 1, wherein: the stepping motor is installed on the rear supporting plate through a motor support, the first connecting piece is located on the right side of the rotating wheel, and the first connecting piece is a rod piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922097608.1U CN211616623U (en) | 2019-11-29 | 2019-11-29 | A extruder for 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922097608.1U CN211616623U (en) | 2019-11-29 | 2019-11-29 | A extruder for 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211616623U true CN211616623U (en) | 2020-10-02 |
Family
ID=72627018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922097608.1U Active CN211616623U (en) | 2019-11-29 | 2019-11-29 | A extruder for 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211616623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873846A (en) * | 2020-12-22 | 2021-06-01 | 浙江理工大学 | 3D printer and crowded silk device thereof |
-
2019
- 2019-11-29 CN CN201922097608.1U patent/CN211616623U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873846A (en) * | 2020-12-22 | 2021-06-01 | 浙江理工大学 | 3D printer and crowded silk device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210324 Address after: 211111 No. 12, Mazhou East Road, Mau Ling Street, Jiangning District, Nanjing, Jiangsu Patentee after: Nanjing Fanchuang Intelligent Technology Co.,Ltd. Address before: No.928, No.2 street, Xiasha Higher Education Park, Hangzhou, Zhejiang, 310018 Patentee before: Zhejiang University of Technology |