CN208789096U - 3D printing extruder - Google Patents
3D printing extruder Download PDFInfo
- Publication number
- CN208789096U CN208789096U CN201821360458.8U CN201821360458U CN208789096U CN 208789096 U CN208789096 U CN 208789096U CN 201821360458 U CN201821360458 U CN 201821360458U CN 208789096 U CN208789096 U CN 208789096U
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- Prior art keywords
- cartridge heater
- head
- screw rod
- motor base
- screw
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Abstract
The utility model discloses a kind of 3D printing extruders, it applies in the field of 3D printing, solves the technical issues of existing printer is using material strip printing, its key points of the technical solution are that including motor base, the cartridge heater being connected with motor base, the head being connected with cartridge heater, it is arranged in cartridge heater and is rotatably connected on the screw rod in motor base, the stepper motor of the screw head and driving screw rod rotation that are connected with screw rod, screw head is equipped with spray head far from one end of screw rod, spray head protrudes from head setting, hopper is equipped with close to one end of motor base in screw rod on cartridge heater, particulate material is knocked down in casing drum via hopper, particulate material melts in casing drum, stepper motor drives screw turns, screw rod squeezes fused materials, shearing, so that fused materials mixing is more uniform, and then it is squeezed out from spray head, it realizes continuous The 3D printing of change.
Description
Technical field
The utility model relates to 3D printing technique field, in particular to a kind of 3D printing extruder.
Background technique
3D printer, i.e. a kind of machine of rapid prototyping technology, it is one kind based on digital model file, with spy
The adhesive materials such as different wax material, powdery metal or plastic construct the technology of object by layer-by-layer printing, beat in 3D
The most prominent advantage of print technology can be directly generated from computer graphics data any without machining or any mold
The part of shape, to greatly shorten the lead time of product, improve productivity and reduce production cost.
Currently, the Chinese patent that Authorization Notice No. is CN207657201U in existing patent discloses a kind of 3D printing extrusion
The lower section of machine, including motor, the motor is equipped with second base, the upper surface of the second base and the lower surface phase of motor
Even, the left side outer wall of the motor is equipped with shaft joint, and the inner wall of the shaft joint is connected with the outer wall of motor, the shaft joint
Inner wall is equipped with first rotating shaft, and the 3D printing extruder structure is more compact, works more stable, so as to avoid conventional extruder
The shortcomings that relay roller is blocked or is fractureed in spray gun.
But the charging of existing 3D printer is material strip mostly, when material strip is finished, needs operator to carry out manual
It reloads, if replacing charging tray not in time, failure can be printed, greatly reduce working efficiency.
Utility model content
The purpose of the utility model is to provide a kind of 3D printing extruders, and it is simple, convenient, it can be achieved that 3D printing squeezes out to feed intake
Machine serialization work.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of 3D printing extruder, including motor base, the cartridge heater being connected with motor base, the machine being connected with cartridge heater
Head, the screw rod for being arranged in cartridge heater and being rotatably connected in motor base, the screw head being connected with screw rod and driving screw rod
The stepper motor of rotation, the screw head are equipped with spray head far from one end of screw rod, and the spray head protrudes from head setting, described to add
Hopper is equipped with close to one end of motor base in screw rod on hot cylinder.
By using above-mentioned technical proposal, particulate material is knocked down in casing drum via hopper, and particulate material occurs in casing drum
Melting, stepper motor drive screw turns, and screw rod squeezes fused materials, shears, so that fused materials mixing is more equal
It is even, and then squeezed out from spray head, realize the 3D printing of serialization.
The utility model is further arranged to: shaft coupling, one end of the shaft coupling and step are equipped in the motor base
Into motor motor shaft be connected, the other end is connected with mandrel, the mandrel and screw rod are keyed.
By using above-mentioned technical proposal, shaft coupling and mandrel are connected between screw rod and stepper motor, shaft coupling is matched
Mandrel is closed, helps to enhance stability when screw rod rotation.
The utility model is further arranged to: one end on the motor base far from stepper motor is equipped with counter flange,
The cartridge heater is fixed by screws on counter flange, and tapered roller bearing is connected on mandrel in the motor base.
By using above-mentioned technical proposal, motor base is blocked by counter flange, and cartridge heater is fixed on counter flange,
Stability with higher, tapered roller bearing play preferable supporting role to screw rod, at the same can also bear screw rod rotation when
Load, further increase screw rod rotation when stability.
The utility model is further arranged to: the cartridge heater includes two semicircular cylinders being oppositely arranged, two semicircular cylinders
By ring-shaped clip banding after merging, the ring-shaped clip is equipped with notch, and the ring-shaped clip is equipped with two in indentation, there protrusion
Opposite lug is fixed by bolt assembly across lug, and the junction of the notch and two halves cylinder shifts to install.
By using above-mentioned technical proposal, cartridge heater includes two halves cylinder, by ring-shaped clip banding cartridge heater, so that plus
Removing and installing for hot cylinder is more quick and easy；And the notch of ring-shaped clip and the junction of two halves cylinder shift to install, and have
It is stronger, stable conducive to cartridge heater is installed.
The utility model is further arranged to: the discharge end of the cartridge heater is equipped with boss, and the diameter of the boss is less than
The outer wall of cartridge heater diameter, the boss is equipped with screw thread, and the head is threaded on boss.
By using above-mentioned technical proposal, boss is set, contact area when cartridge heater is connect with head, head are increased
It is threaded on boss, significantly enhances stability of the head on cartridge heater.
The utility model is further arranged to: the output end of the head is equipped with groove, and the spray head stretches out the one of head
End is equipped with bulge loop, and Circle-Array shows fixation hole on the end face of the bulge loop, and spray head is fixed on head by hexagon socket head cap screw.
By using above-mentioned technical proposal, one end of spray head is arranged in bulge loop, on the one hand increases the structural strength of spray head；
On the other hand the place of setting fixation hole is provided, spray head is facilitated to be mounted on head, is improved firm when spray head is connected with head
Property.
The utility model is further arranged to: the hopper includes the inclined arm being connected with cartridge heater and remote with inclined arm
From the feeding warehouse that cartridge heater one end is connected, the import direction of the feeding warehouse is axially parallel with cartridge heater.
By using above-mentioned technical proposal, the import direction of feeding warehouse is limited, worker can be facilitated to feed into cartridge heater, from
And guarantee the continuity of charging process.
The utility model is further arranged to: diameter of the inclined arm close to cartridge heater one end is less than close to feeding warehouse one
The diameter at end.
By using above-mentioned technical proposal, inclined arm is feed end close to one end of feeding warehouse, and inclined arm is close to cartridge heater
One end be discharge end, the size of feed end is greater than discharge end, and worker can be improved and feed the convenience of process.
In conclusion the utility model has the following beneficial effects:
1, a kind of 3D printing extruder is provided, particulate material is added into extruder, particulate material melts in cartridge heater,
It is squeezed out via spray head, realizes the 3D printing of serialization；
2, by setting shaft coupling and mandrel, the stability and at the uniform velocity property of screw rod rotation are improved；
3, cartridge heater has dismoutability, can quickly be assembled to cartridge heater by ring-shaped clip.
Detailed description of the invention
Fig. 1 is the cross-sectional view of embodiment；
Fig. 2 is the external structure schematic diagram for embodying cartridge heater, ring-shaped clip；
Fig. 3 is the structural schematic diagram for embodying boss Yu head connection relationship；
Fig. 4 is the enlarged drawing in Fig. 3 at A.
In figure: 1, motor base；2, cartridge heater；21, semicircular cylinder；3, head；4, screw rod；5, screw head；6, stepper motor；
7, spray head；8, hopper；81, inclined arm；82, feeding warehouse；9, shaft coupling；10, mandrel；11, counter flange；12, screw；13, circle
Taper roller bearing；14, ring-shaped clip；141, notch；142, lug；15, bolt assembly；151, bolt；152, nut；16, convex
Platform；161, screw thread；17, groove；18, bulge loop；181, fixation hole；19, hexagon socket head cap screw；20, through-hole.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment:
A kind of 3D printing extruder, as shown in Figure 1, include motor base 1, be connected with motor base 1 cartridge heater 2, and
The connected head 3 of cartridge heater 2, the screw rod 4 for being arranged in cartridge heater 2 and being rotatably connected in motor base 1 are connected with screw rod 4
Screw head 5 and the stepper motor 6 that rotates of driving screw rod 4, screw head 5 is connected with spray head 7, spray head 7 far from one end of screw rod 4
It protrudes from head 3 to be arranged, is equipped with hopper 8 close to one end of motor base 1 in screw rod 4 on cartridge heater 2, particulate material is via hopper 8
Into in cartridge heater 2, particulate material melts shearing in cartridge heater 2, after evenly mixing to particulate material, squeezes out, is beating from spray head 7
It while print, is persistently fed into hopper 8, and then realizes the 3D printing of serialization.
As shown in Figure 1, one end of motor base 1 is connected with counter flange 11, cartridge heater 2 is fixed on transition by screw 12
On flange 11, shaft coupling 9 is equipped in motor base 1, one end of shaft coupling 9 is connected with the motor shaft of stepper motor 6, the other end connects
It is connected to mandrel 10, mandrel 10 and screw rod 4 are keyed, and tapered roller bearing 13, screw rod are connected on mandrel 10 in motor base 1
4 towards the axially extending of cartridge heater 2.
As shown in Fig. 2, cartridge heater 2 includes two semicircular cylinders 21 being oppositely arranged, two semicircular cylinders 21 pass through ring after merging
14 banding of shape clip, ring-shaped clip 14 are equipped with notch 141, and ring-shaped clip 14 has elasticity, by hard force by ring-shaped clip 14
It is wrapped on the outer wall of cartridge heater 2, and notch 141 and the junction of two halves cylinder 21 shift to install；Ring-shaped clip 14 is in notch
Protrusion is equipped with two opposite lugs 142 at 141, and two lugs 142 extend to outside ring-shaped clip 14, and lug 142 is equipped with through-hole 20
(not shown) pierces into through-hole 20 on the outside of a lug 142 using bolt 151, passes through nut after another lug 142
152 screw, and realize ring-shaped clip 14 to the holding of cartridge heater 2.
As shown in figure 3, the discharge end of cartridge heater 2 is equipped with boss 16, the diameter of boss 16 is less than the diameter of cartridge heater 2, convex
The outer wall of platform 16 is equipped with screw thread 161, and the threaded one end 161 of head 3 is connected on boss 16, increases head by boss 16
3 with the contact area of cartridge heater 2, to significantly improve stability of the head 3 on cartridge heater 2.
As shown in figure 4, the output end of head 3 is equipped with groove 17, one end that spray head 7 stretches out head 3 is equipped with bulge loop 18, bulge loop
Circle-Array is shown fixation hole 181(and is not shown in the figure on 18 end face), spray head 7 is fixed on by head 3 by hexagon socket head cap screw 19
On.
As shown in Figure 1, hopper 8 include the inclined arm 81 being connected with cartridge heater 2 and with inclined arm 81 far from cartridge heater 2 one
The import direction of the connected feeding warehouse 82 in end, feeding warehouse 82 is axial parallel with cartridge heater 2, and inclined arm 81 is close to 2 one end of cartridge heater
Diameter be less than close to 82 one end of feeding warehouse diameter, particulate material is knocked down in feeding warehouse 82, along the guidance blanking of inclined arm 81
To cartridge heater 2, which has the advantages that worker is facilitated to feed intake.
The course of work: particulate material is knocked down in cartridge heater 2 via hopper 8, and fusion plastification, Jin Erjing occur in cartridge heater 2
It is sprayed by spray head 7, spray head 7 is advanced according to pre-programmed path, and is cooled down at room temperature, realizes 3D printing.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of 3D printing extruder, it is characterised in that: including motor base (1), the cartridge heater being connected with motor base (1)
(2), the head (3) being connected with cartridge heater (2), the screw rod for being arranged in cartridge heater (2) and being rotatably connected in motor base (1)
(4), the stepper motor (6) of the screw head (5) and driving screw rod (4) rotation that are connected with screw rod (4), the screw head (5) are remote
One end from screw rod (4) is equipped with spray head (7), and the spray head (7) protrudes from head (3) and is arranged, in screw rod on the cartridge heater (2)
(4) one end close to motor base (1) is equipped with hopper (8).
2. 3D printing extruder according to claim 1, it is characterised in that: be equipped with shaft coupling in the motor base (1)
(9), one end of the shaft coupling (9) is connected with the motor shaft of stepper motor (6), the other end is connected with mandrel (10), the core
Axis (10) and screw rod (4) are keyed.
3. 3D printing extruder according to claim 2, it is characterised in that: far from stepping electricity on the motor base (1)
One end of machine (6) is equipped with counter flange (11), and the cartridge heater (2) is fixed on counter flange (11) by screw (12), institute
It states in motor base (1) and is connected with tapered roller bearing (13) on mandrel (10).
4. 3D printing extruder according to claim 1, it is characterised in that: the cartridge heater (2) is oppositely arranged including two
Semicircular cylinder (21), two semicircular cylinders (21) merge after by ring-shaped clip (14) banding, set on the ring-shaped clip (14)
Jagged (141), the ring-shaped clip (14) is protruded at notch (141) is equipped with two opposite lugs (142), passes through bolt group
Part (15) is fixed across lug (142), and the notch (141) and the junction of two halves cylinder (21) shift to install.
5. 3D printing extruder according to claim 4, it is characterised in that: the discharge end of the cartridge heater (2) is equipped with convex
Platform (16), the diameter of the boss (16) are less than cartridge heater (2) diameter, and the outer wall of the boss (16) is equipped with screw thread (161),
Head (3) screw thread (161) is connected on boss (16).
6. 3D printing extruder according to claim 5, it is characterised in that: the output end of the head (3) is equipped with groove
(17), one end that the spray head (7) stretches out head (3) is equipped with bulge loop (18), and Circle-Array is shown on the end face of the bulge loop (18)
Spray head (7) is fixed on head (3) by fixation hole (181) by hexagon socket head cap screw (19).
7. 3D printing extruder according to claim 1, it is characterised in that: the hopper (8) includes and cartridge heater (2) phase
Inclined arm (81) even and the feeding warehouse (82) being connected with inclined arm (81) far from cartridge heater (2) one end, the feeding warehouse
(82) import direction is axial parallel with cartridge heater (2).
8. 3D printing extruder according to claim 7, it is characterised in that: the inclined arm (81) is close to cartridge heater (2)
The diameter of one end is less than the diameter close to feeding warehouse (82) one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821360458.8U CN208789096U (en) | 2018-08-22 | 2018-08-22 | 3D printing extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821360458.8U CN208789096U (en) | 2018-08-22 | 2018-08-22 | 3D printing extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208789096U true CN208789096U (en) | 2019-04-26 |
Family
ID=66206534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821360458.8U Active CN208789096U (en) | 2018-08-22 | 2018-08-22 | 3D printing extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208789096U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023160985A1 (en) * | 2022-02-25 | 2023-08-31 | Grunewald Gmbh & Co. Kg | Heating device, heating element, printing station, heating station, and system for generatively producing components |
-
2018
- 2018-08-22 CN CN201821360458.8U patent/CN208789096U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023160985A1 (en) * | 2022-02-25 | 2023-08-31 | Grunewald Gmbh & Co. Kg | Heating device, heating element, printing station, heating station, and system for generatively producing components |
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