CN209579913U - A kind of external fixation of fracture 3D printer - Google Patents
A kind of external fixation of fracture 3D printer Download PDFInfo
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- CN209579913U CN209579913U CN201821964710.6U CN201821964710U CN209579913U CN 209579913 U CN209579913 U CN 209579913U CN 201821964710 U CN201821964710 U CN 201821964710U CN 209579913 U CN209579913 U CN 209579913U
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- fracture
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- stepper motor
- axis mobile
- external fixation
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Abstract
The utility model provides a kind of external fixation of fracture 3D printer, including printer support, the top of the printer support is equipped with feeding device, three axis mobile mechanisms are installed in the middle part of the printer support, the lower part of the printer support is equipped with air-cooler, and the two sides of three axis mobile mechanism are separately installed with the first hot wind softening plant and the second hot wind softening plant；Print head is installed on three axis mobile platforms of three axis mobile mechanism, the discharge port of the feeding device is connected with one end of feed hose, and the feed inlet of the print head is connected with the other end of the feed hose；The air outlet of the air-cooler is connected with one end of cool-air hose, the air inlet of the print head is connected with the other end of the cool-air hose, model surface occurs softening and achievees the purpose that flat surface, fixed effect is influenced without deforming entire model quite, has achieved the purpose that external fixation of fracture model printing speed.
Description
Technical field
The utility model belongs to 3D printing technique field more particularly to a kind of external fixation of fracture 3D printer.
Background technique
3D printing one kind, with adhesive materials such as powdery metal or plastics, is passed through based on digital model file
The mode that 3D printer successively prints constructs the technology of object.3D printing can be used directly as a kind of rapid shaping technique
In the direct manufacture of some products, jewelry, footwear, industrial design, building, automobile, aerospace, medical industries, education,
Reason information system, civil engineering, gun and other field are all applied.
Fracture is damage common in medical treatment and daily life, and after the fracture, patient usually requires to receive corresponding fixation
Measure, to guarantee the rehabilitation of affected bone.Currently used fixation is divided into outer fixation and interior fixed two major classes, for outer
For fixation, gypsum and plintlet are external fixers the most universal.The gypsum and plintlet for constituting external fixer, due to
The restriction of its material, manufacture craft etc. causes external fixer itself more heavy, and permeability is not ideal enough, and logical
It cannot be often bonded with the suffering limb perfection of patient, more apparent discomfort can be brought to the patient for receiving External fixation.
In the process of implementing the utility model, it is found by the applicant that following deficiency exists in the prior art:
With the development of 3D printing technique, begin to use 3D printing technique in the prior art to manufacture external fixer, but
It cannot effectively promote, tracing it to its cause is to be that existing 3D printer print speed is slow, and it is past that an external fixer is completed in printing
It is even longer toward needs 4~12 hours, and fracturing is the state of an illness in need of immediate treatment, needs horse back fixed after reset, cannot be waited
Long time.
In the prior art, longer the reason is that being by the 3D printer printing one external fixer time of completion: for
The different model requirements of adaptation, 3D printer stack, this process by will successively tamp after model layers from level to level
Be it is very very long, generally require more than ten hour, fracture patient can not fall into a long wait.
Utility model content
The purpose of this utility model is that in view of the above shortcomings of the prior art, providing a kind of external fixation of fracture 3D printing
Machine can complete the printing of external fixation of fracture model in 30 minutes.
To achieve the above object, the utility model adopts the technical scheme that
The utility model provides a kind of external fixation of fracture 3D printer, including printer support, the printer support
Top feeding device is installed, three axis mobile mechanisms are installed in the middle part of the printer support, the printer support
Lower part is equipped with air-cooler, and the two sides of three axis mobile mechanism are separately installed with the first hot wind softening plant and the second hot wind is soft
Makeup is set；Print head is installed on three axis mobile platforms of three axis mobile mechanism, the discharge port of the feeding device with into
One end of material hose is connected, and the feed inlet of the print head is connected with the other end of the feed hose；The air-cooler
Air outlet be connected with one end of cool-air hose, the air inlet of the print head is connected with the other end of the cool-air hose
It connects.
The feeding device includes hopper, and the discharge port of the feed hopper bottom is equipped with allocation mechanism, the allocation mechanism
Including material toggling stepper motor, shaft coupling, the shaft coupling and the material toggling are installed in the rotary shaft of the material toggling stepper motor
Stepper motor mutually from side and one end of connecting rod mutually install, the other end of the connecting rod is mutually installed with setting wheel.
Further, the setting wheel is arc-shaped flaky.
Further, the first hot wind softening plant and the second hot wind softening plant include hot wind mobile platform, described
The upper surface of hot wind mobile platform is equipped with Mobile Slide, and the upper surface of the Mobile Slide is equipped with air-heater, the hot wind
Fan-shaped air outlet is installed, the sector air outlet is parallel with the Mobile Slide at the air outlet of machine；The hot wind is mobile
The vertical two first movement guide rods and first that are equipped in the side of platform lower surface move up and down screw rod stepper motor, and two
The first movement guide rod and described first moves up and down screw rod stepper motor and is staggered.
Further, three axis mobile mechanism includes print platform, and the two sides of the print platform are mounted between two
Every the linear bearing that moves up and down of setting, it is described move up and down linear bearing and pass through move up and down guide rod, the print platform
Both ends, which are mounted on, moves up and down screw rod screw base, it is described move up and down be installed on screw rod screw base second move up and down screw rod step
Into motor.
Further, three axis mobile mechanism further includes three axis mobile platforms, and the two of the three axis mobile platform lower surface
Side is mounted on back-and-forth motion linear bearing seat, is installed with back-and-forth motion guide rod in the back-and-forth motion linear bearing seat, described
Be moved forward and backward the both ends of guide rod with move left and right linear bearing seat and be connected, described move left and right is installed in linear bearing seat
Guide rod is moved left and right, described move left and right is equipped with back-and-forth motion stepper motor in linear bearing seat, described to move left and right directly
Line bearing block is connected with synchronous belt, and the two sides of the synchronous belt are mounted on synchronizing wheel, pacifies in the synchronizing wheel of two sides
Equipped with motor shaft extension rod, one end of the motor shaft extension rod, which is equipped with, moves left and right stepper motor.
Further, synchronizing wheel of usheing to seat, the front and back of one end are mounted on the back-and-forth motion stepper motor of two sides
Synchronous belt is installed between mobile stepper motor and the synchronizing wheel of usheing to seat of the other end, the synchronous belt is connected to three axis
On mobile platform.
The utility model has the following beneficial effects: when in use, a certain amount of pulverulent material is passed through feed pipe by feeding device
It is transported in print head, print head will squeeze out after material heating and melting from printing port, while three axis mobile mechanisms start accordingly to move
Make, completes the print job of external fixation of fracture model；Simultaneously as the extrusion output of material is big, heat content is also big, in order to prevent mould
Type cannot solidify in time leads to collapsing atrophy, and the cold wind that air-cooler is blown out is directed into and is cooled down below printing port to model,
It is set to be fixed up rapidly；The place of out-of-flatnesses such as including burr on the surface of model makes wearer have sense of discomfort simultaneously, passes through
The hot wind softening plant of the left and right sides is unenhanced to model surface progress hot wind in model print procedure, only makes model surface
Softening achievees the purpose that flat surface, influences fixed effect without deforming entire model quite, it is outer solid to have reached fracture
The purpose of cover half type printing speed.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of external fixation of fracture 3D printer of the utility model；
Fig. 2 is the structural schematic diagram of the utility model feeding device；
Fig. 3 is the structural schematic diagram of the utility model allocation mechanism；
Fig. 4 is the structural schematic diagram of three axis mobile mechanism of the utility model；
Fig. 5 is the structural schematic diagram of the utility model hot wind softening plant.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to the accompanying drawing, to this reality
It is further elaborated with novel.It should be appreciated that specific embodiment described herein is only to explain the utility model,
It is not used to limit the utility model.
Referring to Fig. 1, a kind of external fixation of fracture 3D printer, including printer support 1, the printer support 1 it is upper
Portion is equipped with feeding device 2, for loading and conveying powdered particulate material；The middle part of the printer support 1 is equipped with the shifting of three axis
Motivation structure 5, for controlling the movement of print head；The lower part of the printer support 1 is equipped with air-cooler 9, is used to quickly fixed
Model；The two sides of three axis mobile mechanism 5 are separately installed with the first hot wind softening plant 7 and the second hot wind softening plant 8, use
To remove the burr of model surface；Print head 3 is installed on three axis mobile platform 5-24 of three axis mobile mechanism 5, it is described
The discharge port of feeding device 2 is connected with one end of feed hose 4, the feed inlet of the print head 3 and the feed hose 4
The other end is connected；The air outlet of the air-cooler 9 is connected with one end of cool-air hose 10, the air inlet of the print head 3
It is connected with the other end of the cool-air hose 10.
Fig. 2 and Fig. 3 are please referred to, the feeding device 2 includes hopper 2-1, and the discharge port of the bottom the hopper 2-1 is equipped with
Allocation mechanism 2-2, the allocation mechanism 2-2 include material toggling stepper motor 2-2-1, the rotation of the material toggling stepper motor 2-2-1
Shaft coupling 2-2-2 is installed on axis, the shaft coupling 2-2-2 and the material toggling stepper motor 2-2-1 phase from side and connecting rod
One end of 2-2-3 is mutually installed, and the other end and the setting wheel 2-2-4 phase of the connecting rod 2-2-3 is installed, and passes through stepper motor 2-2-1
Setting wheel 2-2-4 rotation is controlled, controls and the material of print head is conveyed.
The setting wheel 2-2-4 is arc-shaped flaky.Arc-shaped flaky setting wheel can quick material toggling, be not in blocking.
Referring to Fig. 5, the first hot wind softening plant 7 and the second hot wind softening plant 8 include hot wind mobile platform
7-3, the upper surface of the hot wind mobile platform 7-3 are equipped with Mobile Slide 7-4, the upper surface installation of the Mobile Slide 7-4
There are air-heater 7-5, Mobile Slide 7-4 that air-heater 7-5 can be driven to move left and right, is installed at the air outlet of the air-heater 7-5
There are fan-shaped air outlet 7-6, fan-shaped air outlet 7-6, so that inswept area is bigger；The sector air outlet 7-6 and the movement
Slide unit 7-4 is parallel；The side of the lower surface hot wind mobile platform 7-3 it is vertical two first movement guide rod 7- are installed
2 and first move up and down screw rod stepper motor 7-1, and two first movement guide rod 7-2 and described first move up and down silk
Bar stepper motor 7-1 is staggered.
Referring to Fig. 4, three axis mobile mechanism 5 includes print platform 5-4, the two sides of the print platform 5-4 are pacified
Equipped with two it is spaced move up and down linear bearing 5-5, it is described move up and down linear bearing 5-5 and pass through move up and down guide rod
5-3, the both ends of the print platform 5-4, which are mounted on, moves up and down screw rod screw base 5-6, described to move up and down screw rod screw base
It is installed with second on 5-6 and moves up and down screw rod stepper motor 5-1.By the rotation of stepper motor 5-1 and 5-2, printing can be driven
Platform 5-4's moves up and down, and realizes the layer-by-layer movement of printout.
Three axis mobile mechanism 5 further includes three axis mobile platform 5-24, wherein three axis mobile platform 5-24 are mounted on
The top of print platform 5-4.
The two sides of the lower surface the three axis mobile platform 5-24, which are mounted on, is moved forward and backward linear bearing seat 5-23, and two
The first back-and-forth motion guide rod 5-21 and second is installed on the back-and-forth motion linear bearing seat 5-23 respectively and is moved forward and backward guiding
The both ends of bar 5-22, the both ends of the first back-and-forth motion guide rod 5-21 and the second back-and-forth motion guide rod 5-22 are divided equally
It linear bearing seat 5-15 and second is not moved left and right with first moves left and right linear bearing seat 5-17 and be connected.
First moves left and right and is installed with first on linear bearing seat 5-15 and moves left and right guide rod 5-16；
Second moves left and right and is installed with second on linear bearing seat 5-17 and moves left and right guide rod 5-18.
First moves left and right linear bearing seat 5-15 is connected with the first synchronous belt 5-19, and the two of the described first synchronous 5-19
Side is separately installed with the first synchronizing wheel 5-9 and the second synchronizing wheel 5-10；
Second moves left and right linear bearing seat 5-17 is connected with the second synchronous belt 5-20, the two sides of the second synchronous belt 5-20
It is separately installed with third synchronizing wheel 5-13 and the 4th synchronizing wheel 5-14；It is installed on second synchronizing wheel 5-10 and the 4th synchronizing wheel 5-14
Have and first motor extension rod 5- is installed on the second motor extension rod 5-12, the first synchronizing wheel 5-9 and third synchronizing wheel 5-13
11, first motor extension rod 5-11 is mounted on the axis that first moves left and right stepper motor 5-7, the second motor extension rod 5-12
It is mounted on second and moves left and right stepper motor 5-8,
Wherein, stepper motor is connected with rack, and motor extension rod is fixed in the rotary shaft of motor, and synchronizing wheel is fixed on electricity
On machine extension rod.
First moves left and right and is equipped with front and back first movement stepper motor 5-26 on linear bearing seat 5-15, and second or so
Mobile linear bearing seat 5-17 is equipped with the synchronizing wheel 5-27 that ushers to seat, first movement stepper motor 5-26 and usher to seat synchronizing wheel 5-27 it
Between synchronous belt 5-25 is installed, synchronous belt 5-25 is connected on three axis mobile platform 5-24.
The external fixation of fracture 3D printer, wherein print head 3 be it is a kind of can adjust automatically print head angle the printing of flat mouth
Head, it is exactly a plane that primary agent, which goes out,.When in use, 2 a certain amount of pulverulent materials are transported to by feeding device by feed pipe 4
3 in print head, print head 3 will be squeezed out after material heating and melting from printing port, while three axis mobile mechanisms 5 start corresponding actions,
Complete the print job of external fixation of fracture model 6；Simultaneously as the extrusion output of material is big, heat content is also big, fractures in order to prevent
Outer fixed model 6 cannot solidify in time leads to collapsing atrophy, and the cold wind that air-cooler 9 is blown out is directed by cool-air hose 10 and is beaten
The printable layer of external fixation of fracture model 6 is cooled down below print mouth, it is made to be fixed up rapidly；External fixation of fracture model simultaneously
The place of the printing out-of-flatness on 6 surfaces can make wearer have sense of discomfort, by the hot wind softening plant 7 and 8 of the left and right sides in bone
It is unenhanced to 6 surface of external fixation of fracture model progress hot wind in outer 6 print procedure of fixed model of folding, only make external fixation of fracture model
6 surfaces occur softening and achieve the purpose that flat surface, influence admittedly without making entire external fixation of fracture model 6 deform
Determine effect, achievees the purpose that 6 printing speed of external fixation of fracture model.
Wherein, print head 3 is the prior art, refers to Patent No.: 201710260913.0, patent name are as follows: a kind of
3D printer print head.
It should be noted that a kind of external fixation of fracture 3D printer shown in the utility model embodiment, is not only adapted to
Common fracture field, is also adapted to pearl shown in background technique in medical treatment and daily life shown in background technique
Treasured, footwear, industrial design, building, automobile, aerospace, medical industries, education, GIS-Geographic Information System, civil engineering, gun
And other field.
The above-mentioned embodiments merely express the embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Therefore it cannot be interpreted as that a limitation on the scope of the patent of the present invention.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection scope of utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (7)
1. a kind of external fixation of fracture 3D printer, it is characterised in that: including printer support, the top of the printer support is pacified
Equipped with feeding device, three axis mobile mechanisms, the lower part installation of the printer support are installed in the middle part of the printer support
There is air-cooler, the two sides of three axis mobile mechanism are separately installed with the first hot wind softening plant and the second hot wind softening plant；
Print head is installed on three axis mobile platforms of three axis mobile mechanism, the discharge port of the feeding device and feed hose
One end is connected, and the feed inlet of the print head is connected with the other end of the feed hose；The air outlet of the air-cooler
It is connected with one end of cool-air hose, the air inlet of the print head is connected with the other end of the cool-air hose.
2. a kind of external fixation of fracture 3D printer according to claim 1, it is characterised in that: the feeding device includes material
Bucket, the discharge port of the feed hopper bottom are equipped with allocation mechanism, and the allocation mechanism includes material toggling stepper motor, the material toggling step
Shaft coupling is installed on into the rotary shaft of motor, the shaft coupling and the material toggling stepper motor mutually from side and connecting rod one
End is mutually installed, and the other end of the connecting rod is mutually installed with setting wheel.
3. a kind of external fixation of fracture 3D printer according to claim 2, it is characterised in that: the setting wheel is arc-like sheet
Shape.
4. a kind of external fixation of fracture 3D printer according to claim 1, it is characterised in that: the first hot wind softening dress
Setting with the second hot wind softening plant includes hot wind mobile platform, and the upper surface of the hot wind mobile platform is equipped with mobile cunning
Platform, the upper surface of the Mobile Slide are equipped with air-heater, and fan-shaped air outlet is equipped at the air outlet of the air-heater, described
Fan-shaped air outlet is parallel with the Mobile Slide；The side of hot wind mobile platform lower surface it is vertical be equipped with two pieces the
One mobile guide bar and first moves up and down screw rod stepper motor, moves down on two first movement guide rods and described first
Dynamic screw rod stepper motor is staggered.
5. a kind of external fixation of fracture 3D printer according to claim 1, it is characterised in that: three axis mobile mechanism packet
Include print platform, the two sides of the print platform be mounted on two it is spaced move up and down linear bearing, it is described up and down
Mobile linear bearing, which passes through, moves up and down guide rod, and the both ends of the print platform, which are mounted on, moves up and down screw rod screw base, institute
It states to move up and down and is installed with second on screw rod screw base and moves up and down screw rod stepper motor.
6. a kind of external fixation of fracture 3D printer according to claim 5, it is characterised in that: three axis mobile mechanism is also
Including three axis mobile platforms, the two sides of the three axis mobile platform lower surface are mounted on back-and-forth motion linear bearing seat, described
Be moved forward and backward in linear bearing seat and be installed with back-and-forth motion guide rod, the both ends for being moved forward and backward guide rod with move left and right it is straight
Line bearing block is connected, it is described move left and right to be installed in linear bearing seat move left and right guide rod, it is described to move left and right linear axis
It holds and back-and-forth motion stepper motor is installed on seat, the linear bearing seat that moves left and right is connected with synchronous belt, the synchronous belt
Two sides be mounted on synchronizing wheel, motor shaft extension rod, the motor shaft extension rod are mounted in the synchronizing wheel of two sides
One end be equipped with and move left and right stepper motor.
7. a kind of external fixation of fracture 3D printer according to claim 6, it is characterised in that: the back-and-forth motion of two sides
Synchronizing wheel of usheing to seat is mounted on stepper motor, the back-and-forth motion stepper motor of one end is usherd to seat synchronous with the described of the other end
Synchronous belt is installed, the synchronous belt is connected on the three axis mobile platform between wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821964710.6U CN209579913U (en) | 2018-11-27 | 2018-11-27 | A kind of external fixation of fracture 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821964710.6U CN209579913U (en) | 2018-11-27 | 2018-11-27 | A kind of external fixation of fracture 3D printer |
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| Publication Number | Publication Date |
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| CN209579913U true CN209579913U (en) | 2019-11-05 |
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ID=68377487
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821964710.6U Active CN209579913U (en) | 2018-11-27 | 2018-11-27 | A kind of external fixation of fracture 3D printer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278156A (en) * | 2018-11-27 | 2019-01-29 | 刘朋 | A kind of external fixation of fracture 3D printer |
-
2018
- 2018-11-27 CN CN201821964710.6U patent/CN209579913U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278156A (en) * | 2018-11-27 | 2019-01-29 | 刘朋 | A kind of external fixation of fracture 3D printer |
| WO2020108461A1 (en) * | 2018-11-27 | 2020-06-04 | 刘朋 | 3d printer for external fixation of fracture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191205 Address after: 430000 No.8 Huacheng Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: Wuhan Biying Biological Technology Co., Ltd. Address before: 430073 Room 536, 5th floor, B1 Building, Biological Innovation Park, 666 High-tech Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee before: Liu Peng |
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| TR01 | Transfer of patent right |