CN209381387U - A kind of automatic material-changing device of 3D printer - Google Patents
A kind of automatic material-changing device of 3D printer Download PDFInfo
- Publication number
- CN209381387U CN209381387U CN201920028794.0U CN201920028794U CN209381387U CN 209381387 U CN209381387 U CN 209381387U CN 201920028794 U CN201920028794 U CN 201920028794U CN 209381387 U CN209381387 U CN 209381387U
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- China
- Prior art keywords
- feeding motor
- motor
- screw rod
- changing device
- replacing bench
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model proposes a kind of automatic material-changing device of 3D printer, structure includes A feeding motor, and B feeding motor, feed pipe, reload motor, material replacing bench, photoelectric door monitor station, photogate, fuselage, screw rod transmission structure；Wherein A feeding motor and B feeding motor are set to the right side of fuselage upper surface side by side, and material replacing bench is set to the left side of fuselage upper surface, and A feeding motor and B feeding motor pass through 1 feed pipe respectively and connect with material replacing bench；The left side of material replacing bench is equipped with photoelectric door monitor station, and the top of photoelectric door monitor station is equipped with photogate；The lower end of material replacing bench is connect with screw rod transmission structure, and one end of screw rod transmission structure connects the motor that reloads.The advantages of the utility model: 1) stability with higher and accuracy, precise structure is small and exquisite, significantly reduces cost；2) it realizes 3D printer to reload the full-automation of process, improves production efficiency, reduce the waste of consumptive material.
Description
Technical field
The utility model relates to a kind of automatic material-changing devices of the 3D printer based on screw rod transmission and photoelectric sensing, belong to
In technical field.
Background technique
Current 3D printer widely applied on the market is fused glass pellet (FDM) printer, its working principles are as follows:
Heating nozzle under control of the computer, according to the section profile information of product parts, makees X-Y plane movement, thermoplasticity is Filamentous
Material is sent by silk supplying machine structure to hot melt spray head, and heats and be fused into semi liquid state in the showerhead, then is extruded out, there is selection
Property coating on the table, after rapid cooling formed one layer of about 0.127mm thickness sheet profiles；The molding of one layer cross section is completed
Afterwards, workbench declines certain altitude, then carries out next layer of cladding, and Formation cross-section profile is laminated, so recycles, ultimately forms three
Tie up product parts.
Widely applied FDM type 3D printer on the market, the process reloaded in production process there are one.If printing
As soon as consumptive material needed for workpiece is greater than the material that a charging tray is loaded, the material on charging tray is not available and causes to waste.It is now general
It is manually to reload all over the material-changing method used；And manually reload there are certain difficulty, it is unfavorable for layman's use, and meeting
Reduce production efficiency；Meanwhile at present on the market there are no can widely applied material-changing device, similar device mostly uses idler wheel
Drive mechanism, and Large Number of Stepper-motors has been used, need complicated driving circuit and structure to build, higher cost.
The mainstream consumptive material that existing FDM type 3D printer uses is ABS filamentary material, has intensity height, good toughness, is easy to
The advantages that machine-shaping, but ABS consumptive material has the characteristic using temperature harshness simultaneously, and its forming temperature is at 240 ~ 265 DEG C, temperature
Du Taigao will lead to ABS decomposition, and temperature is too low, will lead to the poor flow quality of material, and above-mentioned characteristic also further increases people
The difficulty that work is reloaded.
Summary of the invention
The utility model proposes a kind of automatic material-changing devices of 3D printer, and its object is to overcome above-mentioned existing 3D to beat
Print machine reloads the defects of mode is cumbersome, difficulty of manually reloading is big, is combined using photogate and screw rod transmission structure, real
The full-automation that existing 3D printer reloads, so that 3D printer consumptive material utilization is more abundant, it is effective while reducing consumptive material waste
The plug phenomenon frequently encountered when evading public use, so that 3D printer is easier to be accepted by the public and use.
The technical solution of the utility model: a kind of automatic material-changing device of 3D printer, structure include A feeding motor
1, B feeding motor 2, feed pipe 3, reload motor 4, material replacing bench 5, photoelectric door monitor station 6, photogate 7, fuselage 8, screw rod
Drive mechanism 9；Wherein A feeding motor 1 and B feeding motor 2 are set to the right side of 8 upper surface of fuselage side by side, and material replacing bench 5 is set to fuselage
The left side of 8 upper surfaces, A feeding motor 1 and B feeding motor 2 are connect by 1 feed pipe 3 with material replacing bench 5 respectively；Material replacing bench 5
Left side is equipped with photoelectric door monitor station 6, and the top of photoelectric door monitor station 6 is equipped with photogate 7；The lower end of material replacing bench 5 and silk
Bar drive mechanism 9 connects, and one end of screw rod transmission structure 9 connects the motor 4 that reloads.
Preferably, the A feeding motor 1, B feeding motor 2 are all made of four line stepper motor of two-phase, ABS filiform consumptive material
1 pair of through-hole at the top of feeding motor, and by the gear on stepper motor top and the idler wheel for being fixed on feeding motor upper surface
It is clamped；The feed pipe 3 is polytetrafluoroethylene (PTFE) material, inner hollow；The motor 4 that reloads is four line stepping electricity of two-phase
Machine.
Preferably, the cross section of the material replacing bench 5 is in T shape, and top is equipped with 2 discharge holes, electric with A feeding respectively
The feed pipe 3 of machine 1 is connected with the feed pipe 3 of B feeding motor 2；The bottom of material replacing bench 5 is equipped with wire hole, is used for and screw rod transmission
Screw rod in structure 9 is connected.
Preferably, the center at 6 top of photoelectric door monitor station is equipped with through-hole, and is connected to 3D printer by hose
The included hot melt motor of fuselage, for detecting feed state, and guarantees that ABS filiform consumptive material is normally exported to 3D printer；It is described
Photogate 7 using slot optical coupling to penetrating photoelectric sensor.
Preferably, the screw rod transmission structure 9 includes 1 screw rod and 2 fixed stations, wherein 2 fixed stations are fixed on
The two sides of 8 upper surface material replacing bench 5 of fuselage, center are equipped with wire hole, and screw rod is each passed through the wire hole of 5 bottom of material replacing bench and 2 are consolidated
The wire hole for determining platform center is fixed, and one end of screw rod connects the motor 4 that reloads, the direction of screw rod and the side in 5 top discharge hole of material replacing bench
To perpendicular.
The advantages of the utility model:
1) photogate, in conjunction with screw rod transmission structure and single chip machine controlling circuit, stability with higher are used
And accuracy, and precise structure is small and exquisite, significantly reduces cost, facilitates large-scale industry volume production and investment practical application,
Be conducive to the universal of 3D printer technology；
2) it realizes 3D printer to reload the full-automation of process, need not manually be guarded during printing workpiece,
The work load for significantly reducing operator, improves production efficiency, reduces the waste of consumptive material, public use of being more convenient for.
Detailed description of the invention
Attached drawing 1 is a kind of structural schematic diagram of the automatic material-changing device of 3D printer of the utility model.
Attached drawing 2 is a kind of circuit structure diagram of the automatic material-changing device of 3D printer of the utility model.
Attached drawing 3 is the structural schematic diagram of A, B feeding motor.
Attached drawing 4 is material replacing bench and motor partial structural diagram of reloading.
1 is A feeding motor in figure, and 2 be B feeding motor, and 3 be feed pipe, and 4 be the motor that reloads, and 5 be material replacing bench, and 6 be photoelectricity
Door monitor station, 7 be photogate, and 8 be fuselage, and 9 be screw rod transmission structure.
Specific embodiment
As shown in Figure 1, a kind of automatic material-changing device of 3D printer, structure include A feeding motor 1, B feeding motor 2 is sent
Expects pipe 3, reload motor 4, material replacing bench 5, photoelectric door monitor station 6, photogate 7, fuselage 8, screw rod transmission structure 9；Wherein A
Feeding motor 1 and B feeding motor 2 are set to the right side of 8 upper surface of fuselage side by side, and material replacing bench 5 is set to the left side of 8 upper surface of fuselage, A
Feeding motor 1 and B feeding motor 2 are connect by 1 feed pipe 3 with material replacing bench 5 respectively；The left side of material replacing bench 5 is equipped with photoelectric door
The top of monitor station 6, photoelectric door monitor station 6 is equipped with photogate 7；The lower end of material replacing bench 5 and screw rod transmission structure 9 connect
It connects, one end of screw rod transmission structure 9 connects the motor 4 that reloads.
A feeding motor 1, B feeding motor 2 and the motor 4 that reloads is all made of four line stepper motor of two-phase, such as Fig. 3 institute
Show, ABS filiform consumptive material passes through 1 pair of through-hole at the top of feeding motor, and by the gear on stepper motor top and is fixed on feeding electricity
Clamped by the idler wheel of machine upper surface, when stepper motor rotation, ABS filiform consumptive material is driven to move it along direction of rotation by gear
It is dynamic, and enter among feed pipe 3.
The feed pipe 3 be polytetrafluoroethylene (PTFE) material, inner hollow, can high temperature resistant, for convey ABS filiform consumption
Material.
As shown in figure 4, the cross section of the material replacing bench 5 is in T shape, top is equipped with 2 discharge holes, send respectively with A
The feed pipe 3 of material motor 1 is connected with the feed pipe 3 of B feeding motor 2；The bottom of material replacing bench 5 is equipped with wire hole, is used for and screw rod
Screw rod in drive mechanism 9 is connected.
The center at 6 top of photoelectric door monitor station is equipped with through-hole, and is connected to 3D printer fuselage certainly by hose
The hot melt motor of band for detecting feed state, and guarantees that ABS filiform consumptive material is normally exported to 3D printer；Photoelectric door sensing
Device 7 using slot optical coupling to photoelectric sensor is penetrated, be capable of Sensitive Detection ABS filiform consumptive material by state, when ABS filiform consumptive material
When all passing through, then single-chip microcontroller is sent a signal to.
The screw rod transmission structure 9 includes 1 screw rod and 2 fixed stations, wherein 2 fixed stations are fixed on fuselage 8
The two sides of surface material replacing bench 5, center be equipped with wire hole, screw rod be each passed through 5 bottom of material replacing bench wire hole and 2 fixed station centers
Wire hole fix, the connection of one end of screw rod is reloaded motor 4, and the direction in the direction and 5 top discharge hole of material replacing bench of screw rod is perpendicular；
When the motor 4 that reloads rotates, screw rod rotation drives material replacing bench 5 to translate up in screw rod side.
As shown in Fig. 2, the course of work of the automatic material-changing device of 3D printer is controlled by single-chip microcontroller, one-chip computer module is adopted
With the single-chip microcontroller of macrocrystalline science and technology model STC15W4K32S4；In actual use, ABS filiform consumptive material is sent into 1 He of A feeding motor
B feeding motor 2, end reach the waiting of material replacing bench 5 by respective feed pipe 3 respectively and reload；When printing, A feeding is first passed through
Motor 1 conveys the 1st ABS filiform consumptive material, the discharge hole and photoelectric door monitor station that 5 top of material replacing bench is connect with A feeding motor 1
The through-hole of 6 center of top is corresponding, and the 1st ABS filiform consumptive material is in A feeding motor 1 and the hot melt motor of 3D printer fuselage
Drive under advance, when by photoelectric door monitor station 6, photogate 7 detects the state of ABS filiform consumptive material, when the 1st
After ABS filiform consumptive material all passes through, photogate 7 detects that the consumptive material using exhausting, transmits a signal to simultaneously
Single-chip microcontroller, single-chip microcontroller output signal make the rotation of motor 4 of reloading, so that screw rod 9 drives the movement of material replacing bench 5, material replacing bench 5 is pushed up
Portion is corresponding with discharge hole that B feeding motor 2 connects and the through-hole of 6 center of top of photoelectric door monitor station, while A feeding motor 1
It stops rotating under the control of single-chip microcontroller, the starting rotation of B feeding motor 2, the 2nd for having been placed before in commitment positions
ABS filiform consumptive material be sent into photoelectric door monitor station 6,3D printer fuselage carry hot melt motor and feeding motor B it is common
Effect is lower to advance, and completes to reload；Thus it moves in circles, that is, reaches the process of reloading automatically of 3D printer.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper",
The orientation or positional relationship of the instructions such as "lower", "front", "rear", "left", "right" is to be based on the orientation or positional relationship shown in the drawings,
It is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (8)
1. a kind of automatic material-changing device of 3D printer, it is characterized in that including A feeding motor (1), B feeding motor (2), feed pipe
(3), it reloads motor (4), material replacing bench (5), photoelectric door monitor station (6), photogate (7), fuselage (8), screw rod transmission knot
Structure (9)；Wherein A feeding motor (1) and B feeding motor (2) are set to the right side of fuselage (8) upper surface side by side, and material replacing bench (5) is set to
The left side of fuselage (8) upper surface, A feeding motor (1) and B feeding motor (2) pass through 1 feed pipe (3) and material replacing bench (5) respectively
Connection；The left side of material replacing bench (5) is equipped with photoelectric door monitor station (6), and the top of photoelectric door monitor station (6) is equipped with photogate
(7)；The lower end of material replacing bench (5) is connect with screw rod transmission structure (9), and one end of screw rod transmission structure (9) connects the motor that reloads
(4).
2. the automatic material-changing device of a kind of 3D printer according to claim 1, it is characterized in that the A feeding motor (1),
B feeding motor (2) is all made of four line stepper motor of two-phase, and ABS filiform consumptive material passes through 1 pair of through-hole at the top of feeding motor, and by
It the gear on stepper motor top and is fixed on clamped by the idler wheel of feeding motor upper surface.
3. the automatic material-changing device of a kind of 3D printer according to claim 1, it is characterized in that the feed pipe (3) is poly-
Tetrafluoroethene material, inner hollow.
4. the automatic material-changing device of a kind of 3D printer according to claim 1, it is characterized in that the motor that reloads (4) is
Four line stepper motor of two-phase.
5. the automatic material-changing device of a kind of 3D printer according to claim 1, it is characterized in that the cross of the material replacing bench (5)
Section is in T shape, and top is equipped with 2 discharge holes, respectively with the feed pipe (3) of A feeding motor (1) and B feeding motor (2)
Feed pipe (3) is connected；The bottom of material replacing bench (5) is equipped with wire hole, for being connected with the screw rod in screw rod transmission structure (9).
6. the automatic material-changing device of a kind of 3D printer according to claim 1, it is characterized in that the photoelectric door monitor station
(6) center at the top of is equipped with through-hole, and is connected to the included hot melt motor of 3D printer fuselage by hose.
7. the automatic material-changing device of a kind of 3D printer according to claim 1, it is characterized in that the photogate
(7) using slot optical coupling to penetrating photoelectric sensor.
8. the automatic material-changing device of a kind of 3D printer according to claim 1, it is characterized in that the screw rod transmission structure
It (9) include 1 screw rod and 2 fixed stations, wherein 2 fixed stations are fixed on the two sides of fuselage (8) upper surface material replacing bench (5),
Center is equipped with wire hole, and screw rod is each passed through the wire hole of material replacing bench (5) bottom and the wire hole in 2 fixed station centers is fixed, screw rod
One end connection is reloaded motor (4), and the direction in the direction and material replacing bench (5) top discharge hole of screw rod is perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920028794.0U CN209381387U (en) | 2019-01-08 | 2019-01-08 | A kind of automatic material-changing device of 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920028794.0U CN209381387U (en) | 2019-01-08 | 2019-01-08 | A kind of automatic material-changing device of 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209381387U true CN209381387U (en) | 2019-09-13 |
Family
ID=67863869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920028794.0U Expired - Fee Related CN209381387U (en) | 2019-01-08 | 2019-01-08 | A kind of automatic material-changing device of 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209381387U (en) |
-
2019
- 2019-01-08 CN CN201920028794.0U patent/CN209381387U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190913 Termination date: 20200108 |