CN212331871U - Consumable driving gearbox for 3D printing pen - Google Patents
Consumable driving gearbox for 3D printing pen Download PDFInfo
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- CN212331871U CN212331871U CN202020655396.4U CN202020655396U CN212331871U CN 212331871 U CN212331871 U CN 212331871U CN 202020655396 U CN202020655396 U CN 202020655396U CN 212331871 U CN212331871 U CN 212331871U
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Abstract
The utility model relates to a consumptive material drive tooth case for 3D printing pen, including driving motor and casing, be provided with the punishment in advance passageway on the lateral wall of casing, the punishment in advance passageway is used for passing through the consumptive material, one side of punishment in advance passageway is provided with supplementary gyro wheel, and the opposite side of punishment in advance passageway is provided with the drive wheel, supplementary gyro wheel and drive wheel longitudinal symmetry set up the both sides at the punishment in advance passageway, be provided with universal driving shaft and a plurality of transmission gear spare that meshes in proper order in the casing. The utility model discloses utilize transmission gear spare to carry out the transmission for the drive wheel is followed driving motor and is rotated, because the interval between auxiliary roller and the drive wheel is less than the diameter of consumptive material, thereby effectively drive the consumptive material steadily and advance, and through at auxiliary roller, the surface of drive wheel sets up the skid resistant course respectively, the rotation that further consumptive material between auxiliary roller and the drive wheel made it to follow the drive wheel and remove, the problem of avoiding "skidding" produces, guarantee the stability of consumptive material, safety, orderly feeding.
Description
Technical Field
The utility model relates to a 3D print pen technical field, concretely relates to consumptive material drive tooth case for 3D print pen.
Background
3D printing pen utilizes PLA or ABS plastics as the consumptive material raw materials, make into the wire rod with PLA or ABS plastics's consumptive material, then insert this kind of wire rod consumptive material in 3D printing pen, energize 3D printing pen, make its inside heating components and parts work, the wire rod consumptive material of PLA or ABS plastics material softens, then utilize 3D printing pen just can "write" or draw on any surface, extensively be applicable to children or adult's scribble, draw a picture and write etc. in its use, PLA or ABS plastics's consumptive material as writing the raw materials need continuous automatic input.
In the prior art, as one of the important components of the 3D printing pen, for example, the extrusion device of the 3D printer with dual-drive wire feeding function disclosed in chinese patent publication No. CN209257490U mainly comprises a bracket, a dual-drive wire feeding mechanism and a wire passage box, wherein the wire passage box adopts a unique structure to form a wire passage, and the dual-drive wire feeding mechanism drives an active wire feeding wheel and a synchronous wire feeding wheel to rotate at the same speed and in the opposite direction by using a synchronous transmission mechanism formed by the active driving wheel and the synchronous driving wheel. Although the device can realize the transport of consumptive material, to the less consumptive material of some coefficient of friction, very easily produce "skid" phenomenon, can't realize the stability of consumptive material, safe transport.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, a consumptive material drive tooth case for 3D printing pen is provided, utilize transmission gear spare to carry out the transmission, make the drive wheel follow driving motor and rotate, because interval between auxiliary roller and the drive wheel is less than the diameter of consumptive material, thereby the drive wheel rotates the in-process, effectively stably drive the consumptive material and advance, and through at auxiliary roller, the surface of drive wheel is provided with the skid resistant course respectively, further the consumptive material between auxiliary roller and the drive wheel makes it follow the rotation of drive wheel and remove, the problem of avoiding "skidding" produces, guarantee the stability of consumptive material, safety, orderly feeding.
The purpose of the utility model is realized through the following technical scheme:
a consumable driving gearbox for a 3D printing pen comprises a driving motor and a shell, wherein a material passing channel is arranged on the side wall of the shell and used for passing consumables, an auxiliary roller is arranged on one side of the material passing channel, a driving wheel is arranged on the other side of the material passing channel, the auxiliary roller and the driving wheel are symmetrically arranged on the upper side and the lower side of the material passing channel, part of the auxiliary roller and part of the driving wheel are arranged in the material passing channel, the distance between the auxiliary roller and the driving wheel is smaller than the diameter of the consumable, a driving shaft of the driving motor penetrates through the shell and is partially arranged in the shell, a linkage shaft and a plurality of sequentially meshed transmission gear pieces are arranged in the shell, a transmission gear piece sleeve at the head end of the meshing transmission is arranged and fixed on the driving shaft of the driving motor, a transmission gear piece sleeve at the tail end of the meshing transmission is arranged and fixed, the driving wheel sleeve is fixed to the other end of the linkage shaft, a baffle is arranged on the side wall of the material passing channel, one end of the linkage shaft is rotatably connected with the inner wall of the shell, and the other end of the linkage shaft penetrates through the shell and is rotatably connected with the baffle.
Furthermore, the surfaces of the auxiliary roller and the driving wheel are respectively provided with an anti-skid layer. At the in-process that carries out the consumptive material feeding, after the consumptive material enters into the punishment in advance passageway, through the work of control driving motor, carry out the transmission through transmission gear spare, make the drive wheel follow the rotation, because interval between auxiliary roller and the drive wheel is less than the diameter of consumptive material, thereby the drive wheel rotates the in-process, it gos forward to drive the consumptive material, and through at auxiliary roller, the surface of drive wheel is provided with the skid resistant course respectively, further effective restraint consumptive material between auxiliary roller and the drive wheel, avoid the problem production of "skidding", guarantee the stability of consumptive material, safety, orderly feeding.
Furthermore, the surface of the driving wheel is uniformly provided with anti-skid convex strips.
Furthermore, the anti-skid convex strips are of a straight-line-shaped or herringbone structure.
Further, the distance between the auxiliary roller and the driving wheel is 0.1-1 mm different from the diameter of the consumable.
Further, be provided with first transmission gear spare, second transmission gear spare, third transmission gear spare, fourth transmission gear spare and the fifth transmission gear spare that meshes in proper order in the casing respectively, first transmission gear spare cover is established and is fixed in driving motor's drive shaft, and fifth transmission gear spare cover is established and is fixed on the universal driving shaft.
Furthermore, an L-shaped fixed shaft is arranged in the shell, two ends of the fixed shaft are respectively fixedly connected with the inner wall of the shell, a third transmission gear piece is sleeved on one supporting rod of the fixed shaft, a fourth transmission gear piece is sleeved on the other supporting rod of the fixed shaft, a fourth transmission gear piece is movably sleeved on the other supporting rod of the fixed shaft, the third transmission gear piece and the fourth transmission gear piece can rotate around the fixed shaft, one end of each of the third transmission gear piece and the fourth transmission gear piece is respectively in a bevel gear structure, and the fourth transmission gear piece is meshed with a bevel gear at the end of the third transmission gear piece through the bevel gear at the end. The other end of the fourth transmission gear piece is of a worm structure, and the fourth transmission gear piece is meshed with the fifth transmission gear piece through the worm structure.
Further, first transmission gear spare is the worm structure, second transmission gear spare and fifth transmission gear spare are the straight-teeth gear structure, and first transmission gear spare passes through worm structure and the meshing of second transmission gear spare, and the straight-teeth structure of second transmission gear spare meshes with the straight-teeth structure of third transmission gear spare mutually.
Further, the driving motor is a driving motor with a counting function. When the drive wheel rotated the round, the distance that the consumptive material gos forward was the length of drive wheel circumference, and the drive ratio of transmission gear spare in the casing is certain, counts through the rotational speed to driving motor, just can calculate the distance of marcing that obtains the consumptive material, and the convenience carries out accurate control to the feeding situation of consumptive material.
Furthermore, a pressure sensor is arranged on the auxiliary roller and linked with the driving motor. Through set up pressure sensor on supplementary gyro wheel, when there is not the consumptive material in the punishment in advance passageway, pressure sensor detects corresponding signal on the supplementary gyro wheel, thereby can control driving motor and avoid carrying out unnecessary idle running work, and enter into punishment in advance passageway at the consumptive material after, because the interval between supplementary gyro wheel and the drive wheel is less than the diameter of consumptive material, the consumptive material passes from between supplementary gyro wheel and the drive wheel and will produce pressure to supplementary gyro wheel, correspondingly, pressure sensor detects pressure signal, then driving motor just can work, rotate through driving the drive wheel, force the consumptive material to advance along the punishment in advance passageway, cooperation driving motor's count function, just can the accurate distance of advancing of calculating the consumptive material, it is high-efficient to realize the consumptive.
Further, the consumable driving gearbox further comprises a control module and a power supply, and the control module is connected with the driving motor, the pressure sensor and the power supply respectively.
The utility model has the advantages that: the utility model discloses a consumptive material drive tooth case for 3D printing pen, utilize transmission gear spare to carry out the transmission, make the drive wheel follow driving motor and rotate, because interval between auxiliary roller and the drive wheel is less than the diameter of consumptive material, thereby the drive wheel rotates the in-process, effectively stably drive the consumptive material and go forward, and through at auxiliary roller, the surface of drive wheel is provided with the skid resistant course respectively, further effective restraint consumptive material between auxiliary roller and the drive wheel makes it follow the rotation of drive wheel and removes, avoid the problem production of "skidding", guarantee the stability of consumptive material, safety, feeding in order.
Drawings
FIG. 1 is a schematic structural view of the consumable driving gear box of the present invention;
FIG. 2 is a side view of the consumable driving gear box of the present invention;
FIG. 3 is an internal structure view of the consumable driving gearbox of the present invention;
FIG. 4 is a cross-sectional view of the material passing channel of the present invention;
in the figure, 1-a driving motor, 2-a shell, 3-a material passing channel, 4-a driving wheel, 5-an auxiliary roller, 6-a first transmission gear piece, 7-a second transmission gear piece, 8-a third transmission gear piece, 9-a fourth transmission gear piece, 10-a fifth transmission gear piece, 11-a linkage shaft, 12-a fixed shaft, 13-a conical tooth meshing part, 14-a worm structure part of the fourth transmission gear piece and 15-a baffle plate.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
As shown in fig. 1 to 4, a consumable driving gearbox for a 3D printing pen comprises a driving motor 1 and a casing 2, wherein a material passing channel 3 is arranged on the side wall of the casing 2, the material passing channel 3 is used for passing through consumables, an auxiliary roller 5 is arranged on one side of the material passing channel 3, a driving wheel 4 is arranged on the other side of the material passing channel 3, the auxiliary roller 5 and the driving wheel 4 are symmetrically arranged on the upper side and the lower side of the material passing channel 3, a part of the auxiliary roller 5 and a part of the driving wheel 4 are both arranged in the material passing channel 3, the distance between the auxiliary roller 5 and the driving wheel 4 is smaller than the diameter of the consumables, so that linear consumables can be driven to linearly move in the channel 3 by the rotation of the driving wheel 4, a driving shaft of the driving motor 1 penetrates through the casing 2 and is partially arranged in the casing 2, as shown in fig. 3 in particular, a linkage shaft 11 and a plurality of sequentially meshed driving gear members are arranged in the, the drive gear spare cover of head end is established in driving motor 1's drive shaft, and the drive gear spare of tail end sets firmly the one end at universal driving shaft 11, drive wheel 4 sets firmly the other end at universal driving shaft 11, makes the drive gear spare and the drive wheel 4 synchronous revolution of tail end through universal driving shaft 11, be provided with baffle 15 on the lateral wall of punishment in advance passageway 3, the one end of universal driving shaft 11 is connected with the inner wall rotation of casing 2, and the other end of universal driving shaft 11 passes casing 2 to rotate with baffle 15 and be connected.
Specifically, the surfaces of the auxiliary roller 5 and the driving wheel 4 are respectively provided with an anti-skid layer. In-process carrying out the consumptive material feeding, the consumptive material enters into behind the punishment in advance passageway 3, control driving motor 1 work, the transmission gear spare that the drive meshed with it carries out the transmission, and then make drive wheel 4 follow the rotation, because interval between auxiliary roller 5 and the drive wheel 4 is less than the diameter of consumptive material, thereby drive wheel 4 rotates the in-process, it advances to drive the consumptive material, and through at auxiliary roller 5, the surface of drive wheel 4 is provided with the skid resistant course respectively, the consumptive material that can effectively retrain between auxiliary roller 5 and the drive wheel 4 makes it to follow the rotation of drive wheel 4 and remove, the problem of avoiding "skidding" produces, guarantee the stability of consumptive material, safety, feeding in order.
Specifically, the surface of the driving wheel 4 is uniformly provided with anti-skid convex strips.
Specifically, the anti-slip convex strips are of a straight-line-shaped or herringbone structure.
Specifically, the difference between the distance between the auxiliary roller 5 and the driving wheel 4 and the diameter of the consumable material is 0.1-1 mm.
As shown in fig. 3, a first transmission gear 6, a second transmission gear 7, a third transmission gear 8, a fourth transmission gear 9 and a fifth transmission gear 10 which are sequentially engaged are arranged in the housing 2, the first transmission gear 6 is sleeved and fixed on a driving shaft of the driving motor 1, and the fifth transmission gear 10 is sleeved and fixed on a linkage shaft 11. The transmission gear on the first transmission gear piece 6 is of a worm structure, and the first transmission gear piece 6 rotates synchronously along with the driving shaft of the driving motor 1.
Specifically, an L-shaped fixed shaft 12 is arranged in the shell 2, two ends of the fixed shaft 12 are respectively fixedly connected with the inner wall of the shell 2, the third transmission gear element 8 is movably sleeved on one support rod of the fixed shaft 12, the fourth transmission gear element 9 is movably sleeved on the other support rod of the fixed shaft 12, the third transmission gear element 8 and the fourth transmission gear element 9 can rotate around the fixed shaft 12, one end of the fourth transmission gear element 9 is meshed with one end of the third transmission gear element 8, and the part where the fourth transmission gear piece 9 and the third transmission gear piece 8 are engaged is a bevel gear engaging part 13, the other end of the fourth transmission gear piece is a worm structure 14, the fourth transmission gear piece 9 is engaged with a bevel gear at the end of the third transmission gear piece 8 through the bevel gear structure at the end, and the fourth transmission gear piece 9 is engaged with the fifth transmission gear piece 10 through the worm structure 14.
Specifically, the first transmission gear 6 is a worm structure, and the second transmission gear 7 and the fifth transmission gear 10 are straight gear structures. The first transmission gear piece 6 is meshed with the second transmission gear piece 7 through a worm structure, and a straight tooth structure of the second transmission gear piece 7 is meshed with a straight tooth structure of the third transmission gear piece 8.
Specifically, the driving motor 1 is a driving motor with a counting function. When the drive wheel 4 rotated the round, the distance that the consumptive material gos forward was the length of 4 circumferences of drive wheel, and the drive ratio of transmission gear spare in the casing 2 is the fixed value, counts through the rotational speed to driving motor 1, just can calculate the distance of marcing that obtains the consumptive material, and the feeding situation of convenient to the consumptive material carries out accurate control.
Specifically, the auxiliary roller 5 is provided with a pressure sensor, and the pressure sensor is linked with the driving motor 1. Through set up pressure sensor on auxiliary roller 5, when there is not the consumptive material in punishment in advance passageway 3, pressure sensor on auxiliary roller 5 detects corresponding signal, thereby can control driving motor 1 and stop, thereby avoid carrying out unnecessary idle running, and after the consumptive material entered into punishment in advance passageway 3, because the interval between auxiliary roller 5 and the drive wheel 4 is less than the diameter of consumptive material, the consumptive material passes from between auxiliary roller 5 and the drive wheel 4 and will produce pressure to auxiliary roller 5, correspondingly, pressure sensor detects pressure signal, then driving motor 1 just can work, rotate through driving drive wheel 4, force the consumptive material to advance along punishment in advance passageway 3, the tally function of cooperation driving motor 1, just can the accurate distance of advancing of calculating consumptive material, realize that the consumptive material is high-efficient, low energy consumption, accurate feeding.
Specifically, consumptive material drive tooth case still includes control module and power, control module is connected respectively with driving motor 1, pressure sensor and power.
When the automatic feeding device is used, consumable materials are firstly introduced into the material passing channel 3, the consumable materials pass through the space between the auxiliary roller 5 and the driving wheel 4, the driving motor 1 is controlled to work, transmission is carried out through the transmission gear piece, the driving wheel 4 rotates along with the auxiliary roller 5, the distance between the auxiliary roller 5 and the driving wheel 4 is smaller than the diameter of the consumable materials, the consumable materials are driven to advance in the rotating process of the driving wheel 4, anti-skidding layers are respectively arranged on the surfaces of the auxiliary roller 5 and the driving wheel 4, the consumable materials between the auxiliary roller 5 and the driving wheel 4 are further effectively restrained, the problem of skidding is avoided, and stable, safe and orderly feeding of the consumable materials is guaranteed; in addition, through setting up pressure sensor on auxiliary roller 5, when there is no consumptive material in punishment in advance passageway 3, pressure sensor on auxiliary roller 5 detects corresponding signal, thereby can control driving motor 1 to stop, in order to avoid carrying out unnecessary idle running work, and after the consumptive material enters punishment in advance passageway 3, because the interval between auxiliary roller 5 and the drive wheel 4 is less than the diameter of consumptive material, the consumptive material passes from between auxiliary roller 5 and the drive wheel 4 and will produce pressure to auxiliary roller 5, correspondingly, pressure sensor detects pressure signal, then driving motor 1 just can work, rotate through driving drive wheel 4, force the consumptive material to advance along punishment in advance passageway 3, the tally function of cooperation driving motor 1, just can the accurate distance of advancing of calculating consumptive material, it is high-efficient to realize the consumptive material, low energy consumption, accurate feeding.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (10)
1. A consumable driving gearbox for a 3D printing pen comprises a driving motor and a shell, wherein a material passing channel is arranged on the side wall of the shell and used for passing consumables, and is characterized in that an auxiliary roller is arranged on one side of the material passing channel, a driving wheel is arranged on the other side of the material passing channel, the auxiliary roller and the driving wheel are symmetrically arranged on the upper side and the lower side of the material passing channel, the auxiliary roller, the driving wheel and one part of the auxiliary roller are arranged in the material passing channel, the space between the auxiliary roller and the driving wheel is smaller than the diameter of the consumables, a driving shaft of the driving motor penetrates through the shell and is partially arranged in the shell, a linkage shaft and a plurality of sequentially meshed transmission gear pieces are arranged in the shell, the transmission gear piece at the head end is sleeved on the driving shaft of the driving motor, the transmission gear piece at the tail end is sleeved at one end of the linkage shaft, and the, the side wall of the material passing channel is provided with a baffle, one end of the linkage shaft is rotatably connected with the inner wall of the shell, and the other end of the linkage shaft penetrates through the shell and is rotatably connected with the baffle.
2. The consumable driving gearbox for 3D printing pens according to claim 1, wherein the surfaces of the auxiliary roller and the driving wheel are respectively provided with an anti-slip layer.
3. The consumable driving gearbox for 3D printing pens according to claim 2, wherein the surface of the driving wheel is uniformly provided with anti-slip ribs.
4. The consumable driving gearbox for 3D printing pens according to claim 3, wherein the anti-slip ribs are of a line-shaped or herringbone structure.
5. The consumable driving gearbox for 3D printing pens according to claim 1, wherein a first transmission gear, a second transmission gear, a third transmission gear, a fourth transmission gear and a fifth transmission gear are arranged in the housing and are sequentially meshed with each other, the first transmission gear is sleeved and fixed on a driving shaft of the driving motor, and the fifth transmission gear is sleeved and fixed on the linkage shaft.
6. The consumable driving gearbox for 3D printing pens according to claim 5, wherein an L-shaped fixed shaft is arranged in the housing, two ends of the fixed shaft are respectively fixedly connected with the inner wall of the housing, the third transmission gear is movably sleeved on one support rod of the fixed shaft, the fourth transmission gear is movably sleeved on the other support rod of the fixed shaft, the third transmission gear and the fourth transmission gear can rotate around the fixed shaft, one end of the third transmission gear and one end of the fourth transmission gear are respectively in a bevel gear structure, and the fourth transmission gear is meshed with a bevel gear at the end of the third transmission gear through the bevel gear at the end.
7. The consumable driving gearbox for 3D printing pens according to claim 5, wherein the other end of the fourth transmission gear piece is in a worm structure, and the fourth transmission gear piece is meshed with the fifth transmission gear piece through the worm structure.
8. The consumable driving gearbox for 3D printing pens according to claim 5, wherein the first transmission gear piece is a worm structure, the second transmission gear piece and the fifth transmission gear piece are straight gear structures, the first transmission gear piece is meshed with the second transmission gear piece through the worm structure, and the straight gear structure of the second transmission gear piece is meshed with the straight gear structure of the third transmission gear piece.
9. The consumable driving gearbox for 3D printing pens according to claim 1, wherein the driving motor is a driving motor with counting function, and a pressure sensor is arranged on the auxiliary roller.
10. The consumable driving gearbox for 3D printing pens according to claim 1, further comprising a control module and a power supply, wherein the control module is connected with the driving motor, the pressure sensor and the power supply respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020655396.4U CN212331871U (en) | 2020-04-26 | 2020-04-26 | Consumable driving gearbox for 3D printing pen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020655396.4U CN212331871U (en) | 2020-04-26 | 2020-04-26 | Consumable driving gearbox for 3D printing pen |
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| CN212331871U true CN212331871U (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020655396.4U Active CN212331871U (en) | 2020-04-26 | 2020-04-26 | Consumable driving gearbox for 3D printing pen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022206741A1 (en) * | 2021-03-29 | 2022-10-06 | 江苏浩宇电子科技有限公司 | 3d printing pen having anti-rotation structure for consumable, and hot melter |
-
2020
- 2020-04-26 CN CN202020655396.4U patent/CN212331871U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022206741A1 (en) * | 2021-03-29 | 2022-10-06 | 江苏浩宇电子科技有限公司 | 3d printing pen having anti-rotation structure for consumable, and hot melter |
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